diff options
Diffstat (limited to 'servers/rendering/rasterizer_rd')
25 files changed, 2716 insertions, 288 deletions
diff --git a/servers/rendering/rasterizer_rd/light_cluster_builder.h b/servers/rendering/rasterizer_rd/light_cluster_builder.h index 3411ed07a0..50a68e03cb 100644 --- a/servers/rendering/rasterizer_rd/light_cluster_builder.h +++ b/servers/rendering/rasterizer_rd/light_cluster_builder.h @@ -170,17 +170,15 @@ public: _add_item(aabb, ITEM_TYPE_OMNI_LIGHT, light_count); } break; case LIGHT_TYPE_SPOT: { - Vector3 v(0, 0, -1); - v.rotated(Vector3(0, 1, 0), Math::deg2rad(ld.spot_aperture)); //rotate in x-z - v.normalize(); - v *= ld.radius; - v.y = v.x; + + float r = ld.radius; + real_t len = Math::tan(Math::deg2rad(ld.spot_aperture)) * r; aabb.position = xform.origin; - aabb.expand_to(xform.xform(v)); - aabb.expand_to(xform.xform(Vector3(-v.x, v.y, v.z))); - aabb.expand_to(xform.xform(Vector3(-v.x, -v.y, v.z))); - aabb.expand_to(xform.xform(Vector3(v.x, -v.y, v.z))); + aabb.expand_to(xform.xform(Vector3(len, len, -r))); + aabb.expand_to(xform.xform(Vector3(-len, len, -r))); + aabb.expand_to(xform.xform(Vector3(-len, -len, -r))); + aabb.expand_to(xform.xform(Vector3(len, -len, -r))); _add_item(aabb, ITEM_TYPE_SPOT_LIGHT, light_count); } break; } diff --git a/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.cpp index 8d52ffd7b9..ba4f4c4acb 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.cpp @@ -1220,7 +1220,7 @@ void RasterizerCanvasRD::_render_item(RD::DrawListID p_draw_list, const Item *p_ glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 5)); glVertexAttribDivisor(10, 1); glEnableVertexAttribArray(11); //color - glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, NULL); + glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, nullptr); glVertexAttribDivisor(11, 1); glEnableVertexAttribArray(12); //custom glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 2)); @@ -1262,7 +1262,7 @@ void RasterizerCanvasRD::_render_item(RD::DrawListID p_draw_list, const Item *p_ glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 5)); glVertexAttribDivisor(10, 1); glEnableVertexAttribArray(11); //color - glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, NULL); + glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, nullptr); glVertexAttribDivisor(11, 1); glEnableVertexAttribArray(12); //custom glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(sizeof(float) * 4 * 2)); @@ -1314,13 +1314,13 @@ void RasterizerCanvasRD::_render_item(RD::DrawListID p_draw_list, const Item *p_ if (current_clip && reclip) { //will make it re-enable clipping if needed afterwards - current_clip = NULL; + current_clip = nullptr; } } void RasterizerCanvasRD::_render_items(RID p_to_render_target, int p_item_count, const Transform2D &p_canvas_transform_inverse, Light *p_lights, RID p_screen_uniform_set) { - Item *current_clip = NULL; + Item *current_clip = nullptr; Transform2D canvas_transform_inverse = p_canvas_transform_inverse; @@ -1369,7 +1369,7 @@ void RasterizerCanvasRD::_render_items(RID p_to_render_target, int p_item_count, if (ci->material != prev_material) { - MaterialData *material_data = NULL; + MaterialData *material_data = nullptr; if (ci->material.is_valid()) { material_data = (MaterialData *)storage->material_get_data(ci->material, RasterizerStorageRD::SHADER_TYPE_2D); } @@ -2532,7 +2532,7 @@ RasterizerCanvasRD::~RasterizerCanvasRD() { //anything remains? if (bindings.texture_bindings.size()) { ERR_PRINT("Some texture bindings were not properly freed (leaked canvasitems?"); - const TextureBindingID *key = NULL; + const TextureBindingID *key = nullptr; while ((key = bindings.texture_bindings.next(key))) { TextureBinding *tb = bindings.texture_bindings[*key]; tb->reference_count = 1; diff --git a/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.h b/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.h index 0c151975bc..83b431eaf6 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.h @@ -383,7 +383,7 @@ class RasterizerCanvasRD : public RasterizerCanvas { for (int i = 0; i < DEFAULT_MAX_LIGHTS_PER_ITEM; i++) { light_cache[i].light_version = 0; - light_cache[i].light = NULL; + light_cache[i].light = nullptr; } light_cache_count = 0xFFFFFFFF; } diff --git a/servers/rendering/rasterizer_rd/rasterizer_effects_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_effects_rd.cpp index 9ccc1f172e..79b1686232 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_effects_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_effects_rd.cpp @@ -50,6 +50,16 @@ static _FORCE_INLINE_ void store_transform_3x3(const Basis &p_basis, float *p_ar p_array[11] = 0; } +static _FORCE_INLINE_ void store_camera(const CameraMatrix &p_mtx, float *p_array) { + + for (int i = 0; i < 4; i++) { + for (int j = 0; j < 4; j++) { + + p_array[i * 4 + j] = p_mtx.matrix[i][j]; + } + } +} + RID RasterizerEffectsRD::_get_uniform_set_from_image(RID p_image) { if (image_to_uniform_set_cache.has(p_image)) { @@ -120,6 +130,99 @@ RID RasterizerEffectsRD::_get_compute_uniform_set_from_texture(RID p_texture, bo return uniform_set; } +RID RasterizerEffectsRD::_get_compute_uniform_set_from_texture_pair(RID p_texture1, RID p_texture2, bool p_use_mipmaps) { + + TexturePair tp; + tp.texture1 = p_texture1; + tp.texture2 = p_texture2; + + if (texture_pair_to_compute_uniform_set_cache.has(tp)) { + RID uniform_set = texture_pair_to_compute_uniform_set_cache[tp]; + if (RD::get_singleton()->uniform_set_is_valid(uniform_set)) { + return uniform_set; + } + } + + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 0; + u.ids.push_back(p_use_mipmaps ? default_mipmap_sampler : default_sampler); + u.ids.push_back(p_texture1); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 1; + u.ids.push_back(p_use_mipmaps ? default_mipmap_sampler : default_sampler); + u.ids.push_back(p_texture2); + uniforms.push_back(u); + } + //any thing with the same configuration (one texture in binding 0 for set 0), is good + RID uniform_set = RD::get_singleton()->uniform_set_create(uniforms, ssr_scale.shader.version_get_shader(ssr_scale.shader_version, 0), 1); + + texture_pair_to_compute_uniform_set_cache[tp] = uniform_set; + + return uniform_set; +} + +RID RasterizerEffectsRD::_get_compute_uniform_set_from_image_pair(RID p_texture1, RID p_texture2) { + + TexturePair tp; + tp.texture1 = p_texture1; + tp.texture2 = p_texture2; + + if (image_pair_to_compute_uniform_set_cache.has(tp)) { + RID uniform_set = image_pair_to_compute_uniform_set_cache[tp]; + if (RD::get_singleton()->uniform_set_is_valid(uniform_set)) { + return uniform_set; + } + } + + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 0; + u.ids.push_back(p_texture1); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.ids.push_back(p_texture2); + uniforms.push_back(u); + } + //any thing with the same configuration (one texture in binding 0 for set 0), is good + RID uniform_set = RD::get_singleton()->uniform_set_create(uniforms, ssr_scale.shader.version_get_shader(ssr_scale.shader_version, 0), 3); + + image_pair_to_compute_uniform_set_cache[tp] = uniform_set; + + return uniform_set; +} + +void RasterizerEffectsRD::copy_to_rect_and_linearize(RID p_source_rd_texture, RID p_dest_framebuffer, const Rect2 &p_rect, bool p_flip_y, float p_z_near, float p_z_far) { + + zeromem(&blur.push_constant, sizeof(BlurPushConstant)); + if (p_flip_y) { + blur.push_constant.flags |= BLUR_FLAG_FLIP_Y; + } + + blur.push_constant.camera_z_near = p_z_near; + blur.push_constant.camera_z_far = p_z_far; + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_dest_framebuffer, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_DISCARD, Vector<Color>(), 1.0, 0, p_rect); + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, blur.pipelines[BLUR_MODE_LINEARIZE_DEPTH].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dest_framebuffer))); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, _get_uniform_set_from_texture(p_source_rd_texture), 0); + RD::get_singleton()->draw_list_bind_index_array(draw_list, index_array); + RD::get_singleton()->draw_list_set_push_constant(draw_list, &blur.push_constant, sizeof(BlurPushConstant)); + RD::get_singleton()->draw_list_draw(draw_list, true); + RD::get_singleton()->draw_list_end(); +} + void RasterizerEffectsRD::copy_to_rect(RID p_source_rd_texture, RID p_dest_framebuffer, const Rect2 &p_rect, bool p_flip_y, bool p_force_luminance) { zeromem(&blur.push_constant, sizeof(BlurPushConstant)); @@ -218,6 +321,7 @@ void RasterizerEffectsRD::gaussian_glow(RID p_source_rd_texture, RID p_framebuff blur.push_constant.glow_exposure = p_exposure; blur.push_constant.glow_white = 0; //actually unused blur.push_constant.glow_luminance_cap = p_luminance_cap; + blur.push_constant.glow_auto_exposure_grey = p_auto_exposure_grey; //unused also //HORIZONTAL @@ -250,6 +354,212 @@ void RasterizerEffectsRD::gaussian_glow(RID p_source_rd_texture, RID p_framebuff RD::get_singleton()->draw_list_end(); } +void RasterizerEffectsRD::screen_space_reflection(RID p_diffuse, RID p_normal, RenderingServer::EnvironmentSSRRoughnessQuality p_roughness_quality, RID p_roughness, RID p_blur_radius, RID p_blur_radius2, RID p_metallic, const Color &p_metallic_mask, RID p_depth, RID p_scale_depth, RID p_scale_normal, RID p_output, RID p_output_blur, const Size2i &p_screen_size, int p_max_steps, float p_fade_in, float p_fade_out, float p_tolerance, const CameraMatrix &p_camera) { + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + int32_t x_groups = (p_screen_size.width - 1) / 8 + 1; + int32_t y_groups = (p_screen_size.height - 1) / 8 + 1; + + { //scale color and depth to half + ssr_scale.push_constant.camera_z_far = p_camera.get_z_far(); + ssr_scale.push_constant.camera_z_near = p_camera.get_z_near(); + ssr_scale.push_constant.orthogonal = p_camera.is_orthogonal(); + ssr_scale.push_constant.filter = false; //enabling causes arctifacts + ssr_scale.push_constant.screen_size[0] = p_screen_size.x; + ssr_scale.push_constant.screen_size[1] = p_screen_size.y; + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssr_scale.pipeline); + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_diffuse), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture_pair(p_depth, p_normal), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_output_blur), 2); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_image_pair(p_scale_depth, p_scale_normal), 3); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssr_scale.push_constant, sizeof(ScreenSpaceReflectionScalePushConstant)); + + RD::get_singleton()->compute_list_dispatch(compute_list, x_groups, y_groups, 1); + + RD::get_singleton()->compute_list_add_barrier(compute_list); + } + + { + + ssr.push_constant.camera_z_far = p_camera.get_z_far(); + ssr.push_constant.camera_z_near = p_camera.get_z_near(); + ssr.push_constant.orthogonal = p_camera.is_orthogonal(); + ssr.push_constant.screen_size[0] = p_screen_size.x; + ssr.push_constant.screen_size[1] = p_screen_size.y; + ssr.push_constant.curve_fade_in = p_fade_in; + ssr.push_constant.distance_fade = p_fade_out; + ssr.push_constant.num_steps = p_max_steps; + ssr.push_constant.depth_tolerance = p_tolerance; + ssr.push_constant.use_half_res = true; + ssr.push_constant.proj_info[0] = -2.0f / (p_screen_size.width * p_camera.matrix[0][0]); + ssr.push_constant.proj_info[1] = -2.0f / (p_screen_size.height * p_camera.matrix[1][1]); + ssr.push_constant.proj_info[2] = (1.0f - p_camera.matrix[0][2]) / p_camera.matrix[0][0]; + ssr.push_constant.proj_info[3] = (1.0f + p_camera.matrix[1][2]) / p_camera.matrix[1][1]; + ssr.push_constant.metallic_mask[0] = CLAMP(p_metallic_mask.r * 255.0, 0, 255); + ssr.push_constant.metallic_mask[1] = CLAMP(p_metallic_mask.g * 255.0, 0, 255); + ssr.push_constant.metallic_mask[2] = CLAMP(p_metallic_mask.b * 255.0, 0, 255); + ssr.push_constant.metallic_mask[3] = CLAMP(p_metallic_mask.a * 255.0, 0, 255); + store_camera(p_camera, ssr.push_constant.projection); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssr.pipelines[(p_roughness_quality != RS::ENV_SSR_ROUGNESS_QUALITY_DISABLED) ? SCREEN_SPACE_REFLECTION_ROUGH : SCREEN_SPACE_REFLECTION_NORMAL]); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssr.push_constant, sizeof(ScreenSpaceReflectionPushConstant)); + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_image_pair(p_output_blur, p_scale_depth), 0); + + if (p_roughness_quality != RS::ENV_SSR_ROUGNESS_QUALITY_DISABLED) { + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_image_pair(p_output, p_blur_radius), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture_pair(p_metallic, p_roughness), 3); + } else { + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_output), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_metallic), 3); + } + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_scale_normal), 2); + + RD::get_singleton()->compute_list_dispatch(compute_list, x_groups, y_groups, 1); + } + + if (p_roughness_quality != RS::ENV_SSR_ROUGNESS_QUALITY_DISABLED) { + + //blurr + + RD::get_singleton()->compute_list_add_barrier(compute_list); + + ssr_filter.push_constant.orthogonal = p_camera.is_orthogonal(); + ssr_filter.push_constant.edge_tolerance = Math::sin(Math::deg2rad(15.0)); + ssr_filter.push_constant.proj_info[0] = -2.0f / (p_screen_size.width * p_camera.matrix[0][0]); + ssr_filter.push_constant.proj_info[1] = -2.0f / (p_screen_size.height * p_camera.matrix[1][1]); + ssr_filter.push_constant.proj_info[2] = (1.0f - p_camera.matrix[0][2]) / p_camera.matrix[0][0]; + ssr_filter.push_constant.proj_info[3] = (1.0f + p_camera.matrix[1][2]) / p_camera.matrix[1][1]; + ssr_filter.push_constant.vertical = 0; + if (p_roughness_quality == RS::ENV_SSR_ROUGNESS_QUALITY_LOW) { + ssr_filter.push_constant.steps = p_max_steps / 3; + ssr_filter.push_constant.increment = 3; + } else if (p_roughness_quality == RS::ENV_SSR_ROUGNESS_QUALITY_MEDIUM) { + ssr_filter.push_constant.steps = p_max_steps / 2; + ssr_filter.push_constant.increment = 2; + } else { + ssr_filter.push_constant.steps = p_max_steps; + ssr_filter.push_constant.increment = 1; + } + + ssr_filter.push_constant.screen_size[0] = p_screen_size.width; + ssr_filter.push_constant.screen_size[1] = p_screen_size.height; + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssr_filter.pipelines[SCREEN_SPACE_REFLECTION_FILTER_HORIZONTAL]); + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_image_pair(p_output, p_blur_radius), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_scale_normal), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_image_pair(p_output_blur, p_blur_radius2), 2); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_scale_depth), 3); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssr_filter.push_constant, sizeof(ScreenSpaceReflectionFilterPushConstant)); + + RD::get_singleton()->compute_list_dispatch(compute_list, x_groups, y_groups, 1); + + RD::get_singleton()->compute_list_add_barrier(compute_list); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssr_filter.pipelines[SCREEN_SPACE_REFLECTION_FILTER_VERTICAL]); + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_image_pair(p_output_blur, p_blur_radius2), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_scale_normal), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_output), 2); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_scale_depth), 3); + + ssr_filter.push_constant.vertical = 1; + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssr_filter.push_constant, sizeof(ScreenSpaceReflectionFilterPushConstant)); + + RD::get_singleton()->compute_list_dispatch(compute_list, x_groups, y_groups, 1); + } + + RD::get_singleton()->compute_list_end(); +} + +void RasterizerEffectsRD::sub_surface_scattering(RID p_diffuse, RID p_diffuse2, RID p_depth, const CameraMatrix &p_camera, const Size2i &p_screen_size, float p_scale, float p_depth_scale, RenderingServer::SubSurfaceScatteringQuality p_quality) { + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + int32_t x_groups = (p_screen_size.width - 1) / 8 + 1; + int32_t y_groups = (p_screen_size.height - 1) / 8 + 1; + + Plane p = p_camera.xform4(Plane(1, 0, -1, 1)); + p.normal /= p.d; + float unit_size = p.normal.x; + + { //scale color and depth to half + sss.push_constant.camera_z_far = p_camera.get_z_far(); + sss.push_constant.camera_z_near = p_camera.get_z_near(); + sss.push_constant.orthogonal = p_camera.is_orthogonal(); + sss.push_constant.unit_size = unit_size; + sss.push_constant.screen_size[0] = p_screen_size.x; + sss.push_constant.screen_size[1] = p_screen_size.y; + sss.push_constant.vertical = false; + sss.push_constant.scale = p_scale; + sss.push_constant.depth_scale = p_depth_scale; + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, sss.pipelines[p_quality - 1]); + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_diffuse), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_diffuse2), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_depth), 2); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &sss.push_constant, sizeof(SubSurfaceScatteringPushConstant)); + + RD::get_singleton()->compute_list_dispatch(compute_list, x_groups, y_groups, 1); + + RD::get_singleton()->compute_list_add_barrier(compute_list); + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_diffuse2), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_diffuse), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_depth), 2); + + sss.push_constant.vertical = true; + RD::get_singleton()->compute_list_set_push_constant(compute_list, &sss.push_constant, sizeof(SubSurfaceScatteringPushConstant)); + + RD::get_singleton()->compute_list_dispatch(compute_list, x_groups, y_groups, 1); + + RD::get_singleton()->compute_list_end(); + } +} + +void RasterizerEffectsRD::merge_specular(RID p_dest_framebuffer, RID p_specular, RID p_base, RID p_reflection) { + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_dest_framebuffer, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_DISCARD, Vector<Color>()); + + if (p_reflection.is_valid()) { + + if (p_base.is_valid()) { + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, specular_merge.pipelines[SPECULAR_MERGE_SSR].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dest_framebuffer))); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, _get_uniform_set_from_texture(p_base), 2); + } else { + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, specular_merge.pipelines[SPECULAR_MERGE_ADDITIVE_SSR].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dest_framebuffer))); + } + + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, _get_uniform_set_from_texture(p_specular), 0); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, _get_uniform_set_from_texture(p_reflection), 1); + + } else { + + if (p_base.is_valid()) { + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, specular_merge.pipelines[SPECULAR_MERGE_ADD].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dest_framebuffer))); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, _get_uniform_set_from_texture(p_base), 2); + } else { + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, specular_merge.pipelines[SPECULAR_MERGE_ADDITIVE_ADD].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dest_framebuffer))); + } + + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, _get_uniform_set_from_texture(p_specular), 0); + } + + RD::get_singleton()->draw_list_bind_index_array(draw_list, index_array); + RD::get_singleton()->draw_list_draw(draw_list, true); + RD::get_singleton()->draw_list_end(); +} + void RasterizerEffectsRD::make_mipmap(RID p_source_rd_texture, RID p_dest_framebuffer, const Vector2 &p_pixel_size) { zeromem(&blur.push_constant, sizeof(BlurPushConstant)); @@ -819,8 +1129,7 @@ void RasterizerEffectsRD::render_sky(RD::DrawListID p_list, float p_time, RID p_ RasterizerEffectsRD::RasterizerEffectsRD() { - { - // Initialize blur + { // Initialize blur Vector<String> blur_modes; blur_modes.push_back("\n#define MODE_GAUSSIAN_BLUR\n"); blur_modes.push_back("\n#define MODE_GAUSSIAN_GLOW\n"); @@ -837,6 +1146,7 @@ RasterizerEffectsRD::RasterizerEffectsRD() { blur_modes.push_back("\n#define MODE_SSAO_MERGE\n"); blur_modes.push_back("\n#define MODE_SIMPLE_COPY\n"); blur_modes.push_back("\n#define MODE_MIPMAP\n"); + blur_modes.push_back("\n#define MODE_LINEARIZE_DEPTH_COPY\n"); blur.shader.initialize(blur_modes); zeromem(&blur.push_constant, sizeof(BlurPushConstant)); @@ -970,6 +1280,7 @@ RasterizerEffectsRD::RasterizerEffectsRD() { for (int i = SSAO_BLUR_PASS; i <= SSAO_BLUR_UPSCALE; i++) { ssao.pipelines[pipeline] = RD::get_singleton()->compute_pipeline_create(ssao.blur_shader.version_get_shader(ssao.blur_shader_version, i - SSAO_BLUR_PASS)); + pipeline++; } } @@ -1035,6 +1346,97 @@ RasterizerEffectsRD::RasterizerEffectsRD() { filter.uniform_set = RD::get_singleton()->uniform_set_create(uniforms, filter.shader.version_get_shader(filter.shader_version, filter.use_high_quality ? 0 : 1), 1); } + { + Vector<String> specular_modes; + specular_modes.push_back("\n#define MODE_MERGE\n"); + specular_modes.push_back("\n#define MODE_MERGE\n#define MODE_SSR\n"); + specular_modes.push_back("\n"); + specular_modes.push_back("\n#define MODE_SSR\n"); + + specular_merge.shader.initialize(specular_modes); + + specular_merge.shader_version = specular_merge.shader.version_create(); + + //use additive + + RD::PipelineColorBlendState::Attachment ba; + ba.enable_blend = true; + ba.src_color_blend_factor = RD::BLEND_FACTOR_ONE; + ba.dst_color_blend_factor = RD::BLEND_FACTOR_ONE; + ba.src_alpha_blend_factor = RD::BLEND_FACTOR_ONE; + ba.dst_alpha_blend_factor = RD::BLEND_FACTOR_ONE; + ba.color_blend_op = RD::BLEND_OP_ADD; + ba.alpha_blend_op = RD::BLEND_OP_ADD; + + RD::PipelineColorBlendState blend_additive; + blend_additive.attachments.push_back(ba); + + for (int i = 0; i < SPECULAR_MERGE_MAX; i++) { + + RD::PipelineColorBlendState blend_state; + if (i == SPECULAR_MERGE_ADDITIVE_ADD || i == SPECULAR_MERGE_ADDITIVE_SSR) { + blend_state = blend_additive; + } else { + blend_state = RD::PipelineColorBlendState::create_disabled(); + } + specular_merge.pipelines[i].setup(specular_merge.shader.version_get_shader(specular_merge.shader_version, i), RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), RD::PipelineDepthStencilState(), blend_state, 0); + } + } + + { + Vector<String> ssr_modes; + ssr_modes.push_back("\n"); + ssr_modes.push_back("\n#define MODE_ROUGH\n"); + + ssr.shader.initialize(ssr_modes); + + ssr.shader_version = ssr.shader.version_create(); + + for (int i = 0; i < SCREEN_SPACE_REFLECTION_MAX; i++) { + ssr.pipelines[i] = RD::get_singleton()->compute_pipeline_create(ssr.shader.version_get_shader(ssr.shader_version, i)); + } + } + + { + Vector<String> ssr_filter_modes; + ssr_filter_modes.push_back("\n"); + ssr_filter_modes.push_back("\n#define VERTICAL_PASS\n"); + + ssr_filter.shader.initialize(ssr_filter_modes); + + ssr_filter.shader_version = ssr_filter.shader.version_create(); + + for (int i = 0; i < SCREEN_SPACE_REFLECTION_FILTER_MAX; i++) { + ssr_filter.pipelines[i] = RD::get_singleton()->compute_pipeline_create(ssr_filter.shader.version_get_shader(ssr_filter.shader_version, i)); + } + } + + { + Vector<String> ssr_scale_modes; + ssr_scale_modes.push_back("\n"); + + ssr_scale.shader.initialize(ssr_scale_modes); + + ssr_scale.shader_version = ssr_scale.shader.version_create(); + + ssr_scale.pipeline = RD::get_singleton()->compute_pipeline_create(ssr_scale.shader.version_get_shader(ssr_scale.shader_version, 0)); + } + + { + Vector<String> sss_modes; + sss_modes.push_back("\n#define USE_11_SAMPLES\n"); + sss_modes.push_back("\n#define USE_17_SAMPLES\n"); + sss_modes.push_back("\n#define USE_25_SAMPLES\n"); + + sss.shader.initialize(sss_modes); + + sss.shader_version = sss.shader.version_create(); + + for (int i = 0; i < sss_modes.size(); i++) { + sss.pipelines[i] = RD::get_singleton()->compute_pipeline_create(sss.shader.version_get_shader(sss.shader_version, i)); + } + } + RD::SamplerState sampler; sampler.mag_filter = RD::SAMPLER_FILTER_LINEAR; sampler.min_filter = RD::SAMPLER_FILTER_LINEAR; @@ -1079,16 +1481,22 @@ RasterizerEffectsRD::~RasterizerEffectsRD() { RD::get_singleton()->free(default_mipmap_sampler); RD::get_singleton()->free(index_buffer); //array gets freed as dependency RD::get_singleton()->free(filter.coefficient_buffer); + blur.shader.version_free(blur.shader_version); - roughness.shader.version_free(roughness.shader_version); - tonemap.shader.version_free(tonemap.shader_version); - luminance_reduce.shader.version_free(luminance_reduce.shader_version); - copy.shader.version_free(copy.shader_version); bokeh.shader.version_free(bokeh.shader_version); - ssao.minify_shader.version_free(ssao.minify_shader_version); - ssao.gather_shader.version_free(ssao.gather_shader_version); - ssao.blur_shader.version_free(ssao.blur_shader_version); - roughness_limiter.shader.version_free(roughness_limiter.shader_version); + copy.shader.version_free(copy.shader_version); cubemap_downsampler.shader.version_free(cubemap_downsampler.shader_version); filter.shader.version_free(filter.shader_version); + luminance_reduce.shader.version_free(luminance_reduce.shader_version); + roughness.shader.version_free(roughness.shader_version); + roughness_limiter.shader.version_free(roughness_limiter.shader_version); + specular_merge.shader.version_free(specular_merge.shader_version); + ssao.blur_shader.version_free(ssao.blur_shader_version); + ssao.gather_shader.version_free(ssao.gather_shader_version); + ssao.minify_shader.version_free(ssao.minify_shader_version); + ssr.shader.version_free(ssr.shader_version); + ssr_filter.shader.version_free(ssr_filter.shader_version); + ssr_scale.shader.version_free(ssr_scale.shader_version); + sss.shader.version_free(sss.shader_version); + tonemap.shader.version_free(tonemap.shader_version); } diff --git a/servers/rendering/rasterizer_rd/rasterizer_effects_rd.h b/servers/rendering/rasterizer_rd/rasterizer_effects_rd.h index 69da5dc6d4..c0c62eb0be 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_effects_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_effects_rd.h @@ -41,9 +41,14 @@ #include "servers/rendering/rasterizer_rd/shaders/cubemap_roughness.glsl.gen.h" #include "servers/rendering/rasterizer_rd/shaders/luminance_reduce.glsl.gen.h" #include "servers/rendering/rasterizer_rd/shaders/roughness_limiter.glsl.gen.h" +#include "servers/rendering/rasterizer_rd/shaders/screen_space_reflection.glsl.gen.h" +#include "servers/rendering/rasterizer_rd/shaders/screen_space_reflection_filter.glsl.gen.h" +#include "servers/rendering/rasterizer_rd/shaders/screen_space_reflection_scale.glsl.gen.h" +#include "servers/rendering/rasterizer_rd/shaders/specular_merge.glsl.gen.h" #include "servers/rendering/rasterizer_rd/shaders/ssao.glsl.gen.h" #include "servers/rendering/rasterizer_rd/shaders/ssao_blur.glsl.gen.h" #include "servers/rendering/rasterizer_rd/shaders/ssao_minify.glsl.gen.h" +#include "servers/rendering/rasterizer_rd/shaders/subsurface_scattering.glsl.gen.h" #include "servers/rendering/rasterizer_rd/shaders/tonemap.glsl.gen.h" #include "servers/rendering_server.h" @@ -66,6 +71,7 @@ class RasterizerEffectsRD { BLUR_MODE_SSAO_MERGE, BLUR_MODE_SIMPLY_COPY, BLUR_MODE_MIPMAP, + BLUR_MODE_LINEARIZE_DEPTH, BLUR_MODE_MAX, }; @@ -378,6 +384,127 @@ class RasterizerEffectsRD { float pad[3]; }; + enum SpecularMergeMode { + SPECULAR_MERGE_ADD, + SPECULAR_MERGE_SSR, + SPECULAR_MERGE_ADDITIVE_ADD, + SPECULAR_MERGE_ADDITIVE_SSR, + SPECULAR_MERGE_MAX + }; + + struct SpecularMerge { + + SpecularMergeShaderRD shader; + RID shader_version; + RenderPipelineVertexFormatCacheRD pipelines[SPECULAR_MERGE_MAX]; + + } specular_merge; + + enum ScreenSpaceReflectionMode { + SCREEN_SPACE_REFLECTION_NORMAL, + SCREEN_SPACE_REFLECTION_ROUGH, + SCREEN_SPACE_REFLECTION_MAX, + }; + + struct ScreenSpaceReflectionPushConstant { + + float proj_info[4]; + + int32_t screen_size[2]; + float camera_z_near; + float camera_z_far; + + int32_t num_steps; + float depth_tolerance; + float distance_fade; + float curve_fade_in; + + uint32_t orthogonal; + float filter_mipmap_levels; + uint32_t use_half_res; + uint8_t metallic_mask[4]; + + float projection[16]; + }; + + struct ScreenSpaceReflection { + + ScreenSpaceReflectionPushConstant push_constant; + ScreenSpaceReflectionShaderRD shader; + RID shader_version; + RID pipelines[SCREEN_SPACE_REFLECTION_MAX]; + + } ssr; + + struct ScreenSpaceReflectionFilterPushConstant { + + float proj_info[4]; + + uint32_t orthogonal; + float edge_tolerance; + int32_t increment; + uint32_t pad; + + int32_t screen_size[2]; + uint32_t vertical; + uint32_t steps; + }; + enum { + SCREEN_SPACE_REFLECTION_FILTER_HORIZONTAL, + SCREEN_SPACE_REFLECTION_FILTER_VERTICAL, + SCREEN_SPACE_REFLECTION_FILTER_MAX, + }; + + struct ScreenSpaceReflectionFilter { + + ScreenSpaceReflectionFilterPushConstant push_constant; + ScreenSpaceReflectionFilterShaderRD shader; + RID shader_version; + RID pipelines[SCREEN_SPACE_REFLECTION_FILTER_MAX]; + } ssr_filter; + + struct ScreenSpaceReflectionScalePushConstant { + + int32_t screen_size[2]; + float camera_z_near; + float camera_z_far; + + uint32_t orthogonal; + uint32_t filter; + uint32_t pad[2]; + }; + + struct ScreenSpaceReflectionScale { + + ScreenSpaceReflectionScalePushConstant push_constant; + ScreenSpaceReflectionScaleShaderRD shader; + RID shader_version; + RID pipeline; + } ssr_scale; + + struct SubSurfaceScatteringPushConstant { + + int32_t screen_size[2]; + float camera_z_far; + float camera_z_near; + + uint32_t vertical; + uint32_t orthogonal; + float unit_size; + float scale; + + float depth_scale; + uint32_t pad[3]; + }; + + struct SubSurfaceScattering { + + SubSurfaceScatteringPushConstant push_constant; + SubsurfaceScatteringShaderRD shader; + RID shader_version; + RID pipelines[3]; //3 quality levels + } sss; + RID default_sampler; RID default_mipmap_sampler; RID index_buffer; @@ -386,17 +513,35 @@ class RasterizerEffectsRD { Map<RID, RID> texture_to_uniform_set_cache; Map<RID, RID> image_to_uniform_set_cache; + + struct TexturePair { + RID texture1; + RID texture2; + _FORCE_INLINE_ bool operator<(const TexturePair &p_pair) const { + if (texture1 == p_pair.texture1) { + return texture2 < p_pair.texture2; + } else { + return texture1 < p_pair.texture1; + } + } + }; + Map<RID, RID> texture_to_compute_uniform_set_cache; + Map<TexturePair, RID> texture_pair_to_compute_uniform_set_cache; + Map<TexturePair, RID> image_pair_to_compute_uniform_set_cache; RID _get_uniform_set_from_image(RID p_texture); RID _get_uniform_set_from_texture(RID p_texture, bool p_use_mipmaps = false); RID _get_compute_uniform_set_from_texture(RID p_texture, bool p_use_mipmaps = false); + RID _get_compute_uniform_set_from_texture_pair(RID p_texture, RID p_texture2, bool p_use_mipmaps = false); + RID _get_compute_uniform_set_from_image_pair(RID p_texture, RID p_texture2); public: //TODO must re-do most of the shaders in compute void region_copy(RID p_source_rd_texture, RID p_dest_framebuffer, const Rect2 &p_region); void copy_to_rect(RID p_source_rd_texture, RID p_dest_framebuffer, const Rect2 &p_rect, bool p_flip_y = false, bool p_force_luminance = false); + void copy_to_rect_and_linearize(RID p_source_rd_texture, RID p_dest_framebuffer, const Rect2 &p_rect, bool p_flip_y, float p_z_near, float p_z_far); void gaussian_blur(RID p_source_rd_texture, RID p_framebuffer_half, RID p_rd_texture_half, RID p_dest_framebuffer, const Vector2 &p_pixel_size, const Rect2 &p_region); void gaussian_glow(RID p_source_rd_texture, RID p_framebuffer_half, RID p_rd_texture_half, RID p_dest_framebuffer, const Vector2 &p_pixel_size, float p_strength = 1.0, bool p_first_pass = false, float p_luminance_cap = 16.0, float p_exposure = 1.0, float p_bloom = 0.0, float p_hdr_bleed_treshold = 1.0, float p_hdr_bleed_scale = 1.0, RID p_auto_exposure = RID(), float p_auto_exposure_grey = 1.0); @@ -450,6 +595,10 @@ public: void cubemap_filter(RID p_source_cubemap, Vector<RID> p_dest_cubemap, bool p_use_array); void render_sky(RD::DrawListID p_list, float p_time, RID p_fb, RID p_samplers, RID p_lights, RenderPipelineVertexFormatCacheRD *p_pipeline, RID p_uniform_set, RID p_texture_set, const CameraMatrix &p_camera, const Basis &p_orientation, float p_multiplier, const Vector3 &p_position); + void screen_space_reflection(RID p_diffuse, RID p_normal, RS::EnvironmentSSRRoughnessQuality p_roughness_quality, RID p_roughness, RID p_blur_radius, RID p_blur_radius2, RID p_metallic, const Color &p_metallic_mask, RID p_depth, RID p_scale_depth, RID p_scale_normal, RID p_output, RID p_output_blur, const Size2i &p_screen_size, int p_max_steps, float p_fade_in, float p_fade_out, float p_tolerance, const CameraMatrix &p_camera); + void merge_specular(RID p_dest_framebuffer, RID p_specular, RID p_base, RID p_reflection); + void sub_surface_scattering(RID p_diffuse, RID p_diffuse2, RID p_depth, const CameraMatrix &p_camera, const Size2i &p_screen_size, float p_scale, float p_depth_scale, RS::SubSurfaceScatteringQuality p_quality); + RasterizerEffectsRD(); ~RasterizerEffectsRD(); }; diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp index bf3cd045f1..ec05c9e964 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp @@ -109,6 +109,7 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { unshaded = false; uses_vertex = false; uses_sss = false; + uses_transmittance = false; uses_screen_texture = false; uses_depth_texture = false; uses_normal_texture = false; @@ -142,6 +143,7 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { actions.render_mode_flags["depth_prepass_alpha"] = &uses_depth_pre_pass; actions.usage_flag_pointers["SSS_STRENGTH"] = &uses_sss; + actions.usage_flag_pointers["SSS_TRANSMITTANCE_DEPTH"] = &uses_transmittance; actions.usage_flag_pointers["SCREEN_TEXTURE"] = &uses_screen_texture; actions.usage_flag_pointers["DEPTH_TEXTURE"] = &uses_depth_texture; @@ -321,7 +323,7 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { } else if (k == SHADER_VERSION_DEPTH_PASS_WITH_NORMAL) { blend_state = blend_state_depth_normal; } else if (k == SHADER_VERSION_DEPTH_PASS_WITH_NORMAL_AND_ROUGHNESS) { - blend_state = blend_state_depth_normal; + blend_state = blend_state_depth_normal_roughness; } else if (k == SHADER_VERSION_DEPTH_PASS_WITH_MATERIAL) { blend_state = RD::PipelineColorBlendState::create_disabled(5); //writes to normal and roughness in opaque way @@ -537,12 +539,20 @@ void RasterizerSceneHighEndRD::RenderBufferDataHighEnd::ensure_specular() { specular = RD::get_singleton()->texture_create(tf, RD::TextureView()); - Vector<RID> fb; - fb.push_back(color); - fb.push_back(specular); - fb.push_back(depth); + { + Vector<RID> fb; + fb.push_back(color); + fb.push_back(specular); + fb.push_back(depth); - color_specular_fb = RD::get_singleton()->framebuffer_create(fb); + color_specular_fb = RD::get_singleton()->framebuffer_create(fb); + } + { + Vector<RID> fb; + fb.push_back(specular); + + specular_only_fb = RD::get_singleton()->framebuffer_create(fb); + } } } @@ -554,6 +564,7 @@ void RasterizerSceneHighEndRD::RenderBufferDataHighEnd::clear() { } color_specular_fb = RID(); + specular_only_fb = RID(); color_fb = RID(); if (normal_buffer.is_valid()) { @@ -935,7 +946,7 @@ void RasterizerSceneHighEndRD::_render_list(RenderingDevice::DrawListID p_draw_l } } -void RasterizerSceneHighEndRD::_setup_environment(RID p_environment, const CameraMatrix &p_cam_projection, const Transform &p_cam_transform, RID p_reflection_probe, bool p_no_fog, const Size2 &p_screen_pixel_size, RID p_shadow_atlas, bool p_flip_y, const Color &p_default_bg_color, float p_znear, float p_zfar, bool p_opaque_render_buffers) { +void RasterizerSceneHighEndRD::_setup_environment(RID p_environment, const CameraMatrix &p_cam_projection, const Transform &p_cam_transform, RID p_reflection_probe, bool p_no_fog, const Size2 &p_screen_pixel_size, RID p_shadow_atlas, bool p_flip_y, const Color &p_default_bg_color, float p_znear, float p_zfar, bool p_opaque_render_buffers, bool p_pancake_shadows) { //CameraMatrix projection = p_cam_projection; //projection.flip_y(); // Vulkan and modern APIs use Y-Down @@ -951,6 +962,10 @@ void RasterizerSceneHighEndRD::_setup_environment(RID p_environment, const Camer scene_state.ubo.z_far = p_zfar; scene_state.ubo.z_near = p_znear; + scene_state.ubo.shadow_filter_mode = shadow_filter_get(); + + scene_state.ubo.pancake_shadows = p_pancake_shadows; + scene_state.ubo.shadow_blocker_count = 16; scene_state.ubo.screen_pixel_size[0] = p_screen_pixel_size.x; scene_state.ubo.screen_pixel_size[1] = p_screen_pixel_size.y; @@ -1074,12 +1089,12 @@ void RasterizerSceneHighEndRD::_add_geometry(InstanceBase *p_instance, uint32_t } } - MaterialData *material = NULL; + MaterialData *material = nullptr; if (m_src.is_valid()) { material = (MaterialData *)storage->material_get_data(m_src, RasterizerStorageRD::SHADER_TYPE_3D); if (!material || !material->shader_data->valid) { - material = NULL; + material = nullptr; } } @@ -1203,7 +1218,7 @@ void RasterizerSceneHighEndRD::_fill_render_list(InstanceBase **p_cull_result, i case RS::INSTANCE_MESH: { - const RID *materials = NULL; + const RID *materials = nullptr; uint32_t surface_count; materials = storage->mesh_get_surface_count_and_materials(inst->base, surface_count); @@ -1237,7 +1252,7 @@ void RasterizerSceneHighEndRD::_fill_render_list(InstanceBase **p_cull_result, i continue; } - const RID *materials = NULL; + const RID *materials = nullptr; uint32_t surface_count; materials = storage->mesh_get_surface_count_and_materials(mesh, surface_count); @@ -1258,7 +1273,7 @@ void RasterizerSceneHighEndRD::_fill_render_list(InstanceBase **p_cull_result, i RasterizerStorageGLES3::Immediate *immediate = storage->immediate_owner.getornull(inst->base); ERR_CONTINUE(!immediate); - _add_geometry(immediate, inst, NULL, -1, p_depth_pass, p_shadow_pass); + _add_geometry(immediate, inst, nullptr, -1, p_depth_pass, p_shadow_pass); } break; case RS::INSTANCE_PARTICLES: { @@ -1470,11 +1485,49 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig light_data.specular = storage->light_get_param(base, RS::LIGHT_PARAM_SPECULAR); light_data.mask = storage->light_get_cull_mask(base); + float size = storage->light_get_param(base, RS::LIGHT_PARAM_SIZE); + + light_data.size = 1.0 - Math::cos(Math::deg2rad(size)); //angle to cosine offset + Color shadow_col = storage->light_get_shadow_color(base).to_linear(); - light_data.shadow_color[0] = shadow_col.r; - light_data.shadow_color[1] = shadow_col.g; - light_data.shadow_color[2] = shadow_col.b; + if (get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_PSSM_SPLITS) { + light_data.shadow_color1[0] = 1.0; + light_data.shadow_color1[1] = 0.0; + light_data.shadow_color1[2] = 0.0; + light_data.shadow_color1[3] = 1.0; + light_data.shadow_color2[0] = 0.0; + light_data.shadow_color2[1] = 1.0; + light_data.shadow_color2[2] = 0.0; + light_data.shadow_color2[3] = 1.0; + light_data.shadow_color3[0] = 0.0; + light_data.shadow_color3[1] = 0.0; + light_data.shadow_color3[2] = 1.0; + light_data.shadow_color3[3] = 1.0; + light_data.shadow_color4[0] = 1.0; + light_data.shadow_color4[1] = 1.0; + light_data.shadow_color4[2] = 0.0; + light_data.shadow_color4[3] = 1.0; + + } else { + + light_data.shadow_color1[0] = shadow_col.r; + light_data.shadow_color1[1] = shadow_col.g; + light_data.shadow_color1[2] = shadow_col.b; + light_data.shadow_color1[3] = 1.0; + light_data.shadow_color2[0] = shadow_col.r; + light_data.shadow_color2[1] = shadow_col.g; + light_data.shadow_color2[2] = shadow_col.b; + light_data.shadow_color2[3] = 1.0; + light_data.shadow_color3[0] = shadow_col.r; + light_data.shadow_color3[1] = shadow_col.g; + light_data.shadow_color3[2] = shadow_col.b; + light_data.shadow_color3[3] = 1.0; + light_data.shadow_color4[0] = shadow_col.r; + light_data.shadow_color4[1] = shadow_col.g; + light_data.shadow_color4[2] = shadow_col.b; + light_data.shadow_color4[3] = 1.0; + } light_data.shadow_enabled = p_using_shadows && storage->light_has_shadow(base); @@ -1498,12 +1551,49 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig CameraMatrix shadow_mtx = rectm * bias * matrix * modelview; light_data.shadow_split_offsets[j] = split; + float bias_scale = light_instance_get_shadow_bias_scale(li, j); + light_data.shadow_bias[j] = storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_BIAS) * bias_scale; + light_data.shadow_normal_bias[j] = storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS) * light_instance_get_directional_shadow_texel_size(li, j); + light_data.shadow_transmittance_bias[j] = storage->light_get_transmittance_bias(base) * bias_scale; + light_data.shadow_transmittance_z_scale[j] = light_instance_get_shadow_range(li, j); + light_data.shadow_range_begin[j] = light_instance_get_shadow_range_begin(li, j); store_camera(shadow_mtx, light_data.shadow_matrices[j]); + + Vector2 uv_scale = light_instance_get_shadow_uv_scale(li, j); + uv_scale *= atlas_rect.size; //adapt to atlas size + switch (j) { + case 0: { + light_data.uv_scale1[0] = uv_scale.x; + light_data.uv_scale1[1] = uv_scale.y; + } break; + case 1: { + light_data.uv_scale2[0] = uv_scale.x; + light_data.uv_scale2[1] = uv_scale.y; + } break; + case 2: { + light_data.uv_scale3[0] = uv_scale.x; + light_data.uv_scale3[1] = uv_scale.y; + } break; + case 3: { + light_data.uv_scale4[0] = uv_scale.x; + light_data.uv_scale4[1] = uv_scale.y; + } break; + } } float fade_start = storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_FADE_START); light_data.fade_from = -light_data.shadow_split_offsets[3] * MIN(fade_start, 0.999); //using 1.0 would break smoothstep light_data.fade_to = -light_data.shadow_split_offsets[3]; + + float softshadow_angle = storage->light_get_param(base, RS::LIGHT_PARAM_SIZE); + if (softshadow_angle > 0.0) { + // I know tan(0) is 0, but let's not risk it with numerical precision. + // technically this will keep expanding until reaching the sun, but all we care + // is expand until we reach the radius of the near plane (there can't be more occluders than that) + light_data.softshadow_angle = Math::tan(Math::deg2rad(softshadow_angle)); + } else { + light_data.softshadow_angle = 0; + } } // Copy to SkyDirectionalLightData @@ -1566,20 +1656,16 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig light_data.direction[1] = direction.y; light_data.direction[2] = direction.z; + float size = storage->light_get_param(base, RS::LIGHT_PARAM_SIZE); + + light_data.size = size; + light_data.cone_attenuation_angle[0] = Math::make_half_float(storage->light_get_param(base, RS::LIGHT_PARAM_SPOT_ATTENUATION)); float spot_angle = storage->light_get_param(base, RS::LIGHT_PARAM_SPOT_ANGLE); light_data.cone_attenuation_angle[1] = Math::make_half_float(Math::cos(Math::deg2rad(spot_angle))); light_data.mask = storage->light_get_cull_mask(base); - Color shadow_color = storage->light_get_shadow_color(base); - - bool has_shadow = p_using_shadows && storage->light_has_shadow(base); - light_data.shadow_color_enabled[0] = MIN(uint32_t(shadow_color.r * 255), 255); - light_data.shadow_color_enabled[1] = MIN(uint32_t(shadow_color.g * 255), 255); - light_data.shadow_color_enabled[2] = MIN(uint32_t(shadow_color.b * 255), 255); - light_data.shadow_color_enabled[3] = has_shadow ? 255 : 0; - light_data.atlas_rect[0] = 0; light_data.atlas_rect[1] = 0; light_data.atlas_rect[2] = 0; @@ -1588,20 +1674,55 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig if (p_using_shadows && p_shadow_atlas.is_valid() && shadow_atlas_owns_light_instance(p_shadow_atlas, li)) { // fill in the shadow information + Color shadow_color = storage->light_get_shadow_color(base); + + light_data.shadow_color_enabled[0] = MIN(uint32_t(shadow_color.r * 255), 255); + light_data.shadow_color_enabled[1] = MIN(uint32_t(shadow_color.g * 255), 255); + light_data.shadow_color_enabled[2] = MIN(uint32_t(shadow_color.b * 255), 255); + light_data.shadow_color_enabled[3] = 255; + + if (type == RS::LIGHT_SPOT) { + light_data.shadow_bias = (storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_BIAS) * radius / 10.0); + float shadow_texel_size = Math::tan(Math::deg2rad(spot_angle)) * radius * 2.0; + shadow_texel_size *= light_instance_get_shadow_texel_size(li, p_shadow_atlas); + + light_data.shadow_normal_bias = storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS) * shadow_texel_size; + + } else { //omni + light_data.shadow_bias = storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_BIAS) * radius / 10.0; + float shadow_texel_size = light_instance_get_shadow_texel_size(li, p_shadow_atlas); + light_data.shadow_normal_bias = storage->light_get_param(base, RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS) * shadow_texel_size * 2.0; // applied in -1 .. 1 space + } + + light_data.transmittance_bias = storage->light_get_transmittance_bias(base); + Rect2 rect = light_instance_get_shadow_atlas_rect(li, p_shadow_atlas); - if (type == RS::LIGHT_OMNI) { + light_data.atlas_rect[0] = rect.position.x; + light_data.atlas_rect[1] = rect.position.y; + light_data.atlas_rect[2] = rect.size.width; + light_data.atlas_rect[3] = rect.size.height; - light_data.atlas_rect[0] = rect.position.x; - light_data.atlas_rect[1] = rect.position.y; - light_data.atlas_rect[2] = rect.size.width; - light_data.atlas_rect[3] = rect.size.height * 0.5; + if (type == RS::LIGHT_OMNI) { + light_data.atlas_rect[3] *= 0.5; //one paraboloid on top of another Transform proj = (p_camera_inverse_transform * light_transform).inverse(); store_transform(proj, light_data.shadow_matrix); + + if (size > 0.0) { + + light_data.soft_shadow_size = size; + } else { + light_data.soft_shadow_size = 0.0; + } + } else if (type == RS::LIGHT_SPOT) { + //used for clamping in this light type + light_data.atlas_rect[2] += light_data.atlas_rect[0]; + light_data.atlas_rect[3] += light_data.atlas_rect[1]; + Transform modelview = (p_camera_inverse_transform * light_transform).inverse(); CameraMatrix bias; bias.set_light_bias(); @@ -1610,7 +1731,17 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig CameraMatrix shadow_mtx = rectm * bias * light_instance_get_shadow_camera(li, 0) * modelview; store_camera(shadow_mtx, light_data.shadow_matrix); + + if (size > 0.0) { + CameraMatrix cm = light_instance_get_shadow_camera(li, 0); + float half_np = cm.get_z_near() * Math::tan(Math::deg2rad(spot_angle)); + light_data.soft_shadow_size = (size * 0.5 / radius) / (half_np / cm.get_z_near()) * rect.size.width; + } else { + light_data.soft_shadow_size = 0.0; + } } + } else { + light_data.shadow_color_enabled[3] = 0; } light_instance_set_index(li, light_count); @@ -1637,7 +1768,7 @@ void RasterizerSceneHighEndRD::_setup_lights(RID *p_light_cull_result, int p_lig void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID *p_light_cull_result, int p_light_cull_count, RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, RID *p_gi_probe_cull_result, int p_gi_probe_cull_count, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, const Color &p_default_bg_color) { - RenderBufferDataHighEnd *render_buffer = NULL; + RenderBufferDataHighEnd *render_buffer = nullptr; if (p_render_buffer.is_valid()) { render_buffer = (RenderBufferDataHighEnd *)render_buffers_get_data(p_render_buffer); } @@ -1689,9 +1820,6 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor //scene_state.ubo.subsurface_scatter_width = subsurface_scatter_size; - scene_state.ubo.shadow_z_offset = 0; - scene_state.ubo.shadow_z_slope_scale = 0; - Vector2 vp_he = p_cam_projection.get_viewport_half_extents(); scene_state.ubo.viewport_size[0] = vp_he.x; scene_state.ubo.viewport_size[1] = vp_he.y; @@ -1699,11 +1827,14 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor Size2 screen_pixel_size; Size2i screen_size; RID opaque_framebuffer; + RID opaque_specular_framebuffer; RID depth_framebuffer; RID alpha_framebuffer; PassMode depth_pass_mode = PASS_MODE_DEPTH; Vector<Color> depth_pass_clear; + bool using_separate_specular = false; + bool using_ssr = false; if (render_buffer) { screen_pixel_size.width = 1.0 / render_buffer->width; @@ -1715,6 +1846,10 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor if (p_environment.is_valid() && environment_is_ssr_enabled(p_environment)) { depth_pass_mode = PASS_MODE_DEPTH_NORMAL_ROUGHNESS; + render_buffer->ensure_specular(); + using_separate_specular = true; + using_ssr = true; + opaque_specular_framebuffer = render_buffer->color_specular_fb; } else if (screen_space_roughness_limiter_is_active()) { depth_pass_mode = PASS_MODE_DEPTH_NORMAL; //we need to allocate both these, if not allocated @@ -1779,6 +1914,14 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor render_list.clear(); _fill_render_list(p_cull_result, p_cull_count, PASS_MODE_COLOR, render_buffer == nullptr); + bool using_sss = render_buffer && scene_state.used_sss && sub_surface_scattering_get_quality() != RS::SUB_SURFACE_SCATTERING_QUALITY_DISABLED; + + if (using_sss) { + using_separate_specular = true; + render_buffer->ensure_specular(); + using_separate_specular = true; + opaque_specular_framebuffer = render_buffer->color_specular_fb; + } RID radiance_uniform_set; bool draw_sky = false; @@ -1845,22 +1988,22 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor _fill_instances(render_list.elements, render_list.element_count, false); - bool can_continue = true; //unless the middle buffers are needed bool debug_giprobes = get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_GI_PROBE_ALBEDO || get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_GI_PROBE_LIGHTING || get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_GI_PROBE_EMISSION; - bool using_separate_specular = false; bool depth_pre_pass = depth_framebuffer.is_valid(); RID render_buffers_uniform_set; + bool using_ssao = depth_pre_pass && p_render_buffer.is_valid() && p_environment.is_valid() && environment_is_ssao_enabled(p_environment); + if (depth_pre_pass) { //depth pre pass RENDER_TIMESTAMP("Render Depth Pre-Pass"); - RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(depth_framebuffer, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_CONTINUE, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_CONTINUE, depth_pass_clear); + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(depth_framebuffer, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CLEAR, using_ssao ? RD::FINAL_ACTION_READ : RD::FINAL_ACTION_CONTINUE, depth_pass_clear); _render_list(draw_list, RD::get_singleton()->framebuffer_get_format(depth_framebuffer), render_list.elements, render_list.element_count, false, depth_pass_mode, render_buffer == nullptr, radiance_uniform_set, RID()); RD::get_singleton()->draw_list_end(); } - if (p_render_buffer.is_valid() && p_environment.is_valid() && environment_is_ssao_enabled(p_environment)) { + if (using_ssao) { _process_ssao(p_render_buffer, p_environment, render_buffer->normal_buffer, p_cam_projection); } @@ -1878,23 +2021,46 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor RENDER_TIMESTAMP("Render Opaque Pass"); + bool can_continue_color = !scene_state.used_screen_texture && !using_ssr && !using_sss; + bool can_continue_depth = !scene_state.used_depth_texture && !using_ssr && !using_sss; + { - bool will_continue = (can_continue || draw_sky || debug_giprobes); + + bool will_continue_color = (can_continue_color || draw_sky || debug_giprobes); + bool will_continue_depth = (can_continue_depth || draw_sky || debug_giprobes); + //regular forward for now Vector<Color> c; - c.push_back(clear_color.to_linear()); - RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(opaque_framebuffer, keep_color ? RD::INITIAL_ACTION_KEEP : RD::INITIAL_ACTION_CLEAR, will_continue ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, depth_pre_pass ? RD::INITIAL_ACTION_CONTINUE : RD::INITIAL_ACTION_CLEAR, will_continue ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, c, 1.0, 0); - _render_list(draw_list, RD::get_singleton()->framebuffer_get_format(opaque_framebuffer), render_list.elements, render_list.element_count, false, PASS_MODE_COLOR, render_buffer == nullptr, radiance_uniform_set, render_buffers_uniform_set); + if (using_separate_specular) { + Color cc = clear_color.to_linear(); + cc.a = 0; //subsurf scatter must be 0 + c.push_back(cc); + c.push_back(Color(0, 0, 0, 0)); + } else { + c.push_back(clear_color.to_linear()); + } + + RID framebuffer = using_separate_specular ? opaque_specular_framebuffer : opaque_framebuffer; + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(framebuffer, keep_color ? RD::INITIAL_ACTION_KEEP : RD::INITIAL_ACTION_CLEAR, will_continue_color ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, depth_pre_pass ? (using_ssao ? RD::INITIAL_ACTION_KEEP : RD::INITIAL_ACTION_CONTINUE) : RD::INITIAL_ACTION_CLEAR, will_continue_depth ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, c, 1.0, 0); + _render_list(draw_list, RD::get_singleton()->framebuffer_get_format(framebuffer), render_list.elements, render_list.element_count, false, using_separate_specular ? PASS_MODE_COLOR_SPECULAR : PASS_MODE_COLOR, render_buffer == nullptr, radiance_uniform_set, render_buffers_uniform_set); RD::get_singleton()->draw_list_end(); + + if (will_continue_color && using_separate_specular) { + // close the specular framebuffer, as it's no longer used + draw_list = RD::get_singleton()->draw_list_begin(render_buffer->specular_only_fb, RD::INITIAL_ACTION_CONTINUE, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CONTINUE, RD::FINAL_ACTION_CONTINUE); + RD::get_singleton()->draw_list_end(); + } } if (debug_giprobes) { //debug giprobes - bool will_continue = (can_continue || draw_sky); + bool will_continue_color = (can_continue_color || draw_sky); + bool will_continue_depth = (can_continue_depth || draw_sky); + CameraMatrix dc; dc.set_depth_correction(true); CameraMatrix cm = (dc * p_cam_projection) * CameraMatrix(p_cam_transform.affine_inverse()); - RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(opaque_framebuffer, RD::INITIAL_ACTION_CONTINUE, will_continue ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CONTINUE, will_continue ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ); + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(opaque_framebuffer, RD::INITIAL_ACTION_CONTINUE, will_continue_color ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CONTINUE, will_continue_depth ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ); for (int i = 0; i < p_gi_probe_cull_count; i++) { _debug_giprobe(p_gi_probe_cull_result[i], draw_list, opaque_framebuffer, cm, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_GI_PROBE_LIGHTING, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_GI_PROBE_EMISSION, 1.0); } @@ -1911,12 +2077,23 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor projection = correction * p_cam_projection; } - _draw_sky(can_continue, opaque_framebuffer, p_environment, projection, p_cam_transform); + _draw_sky(can_continue_color, can_continue_depth, opaque_framebuffer, p_environment, projection, p_cam_transform); + } + + if (using_separate_specular) { + + if (using_sss) { + RENDER_TIMESTAMP("Sub Surface Scattering"); + _process_sss(p_render_buffer, p_cam_projection); + } - if (using_separate_specular && !can_continue) { - //can't continue, so close the buffers - //RD::get_singleton()->draw_list_begin(render_buffer->color_specular_fb, RD::INITIAL_ACTION_CONTINUE, RD::FINAL_ACTION_READ_COLOR_AND_DEPTH, c); - //RD::get_singleton()->draw_list_end(); + if (using_ssr) { + RENDER_TIMESTAMP("Screen Space Reflection"); + _process_ssr(p_render_buffer, render_buffer->color_fb, render_buffer->normal_buffer, render_buffer->roughness_buffer, render_buffer->specular, render_buffer->specular, Color(0, 0, 0, 1), p_environment, p_cam_projection, true); + } else { + //just mix specular back + RENDER_TIMESTAMP("Merge Specular"); + storage->get_effects()->merge_specular(render_buffer->color_fb, render_buffer->specular, RID(), RID()); } } @@ -1929,7 +2106,7 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor _fill_instances(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, false); { - RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(alpha_framebuffer, can_continue ? RD::INITIAL_ACTION_CONTINUE : RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, can_continue ? RD::INITIAL_ACTION_CONTINUE : RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ); + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(alpha_framebuffer, can_continue_color ? RD::INITIAL_ACTION_CONTINUE : RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, can_continue_depth ? RD::INITIAL_ACTION_CONTINUE : RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ); _render_list(draw_list, RD::get_singleton()->framebuffer_get_format(alpha_framebuffer), &render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, false, PASS_MODE_COLOR, render_buffer == nullptr, radiance_uniform_set, render_buffers_uniform_set); RD::get_singleton()->draw_list_end(); } @@ -1937,13 +2114,13 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor //_render_list #if 0 if (state.directional_light_count == 0) { - directional_light = NULL; - _render_list(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, p_cam_transform, p_cam_projection, env_radiance_tex, false, true, false, false, shadow_atlas != NULL); + directional_light = nullptr; + _render_list(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, p_cam_transform, p_cam_projection, env_radiance_tex, false, true, false, false, shadow_atlas != nullptr); } else { for (int i = 0; i < state.directional_light_count; i++) { directional_light = directional_lights[i]; - _setup_directional_light(i, p_cam_transform.affine_inverse(), shadow_atlas != NULL && shadow_atlas->size > 0); - _render_list(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, p_cam_transform, p_cam_projection, env_radiance_tex, false, true, false, i > 0, shadow_atlas != NULL); + _setup_directional_light(i, p_cam_transform.affine_inverse(), shadow_atlas != nullptr && shadow_atlas->size > 0); + _render_list(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, p_cam_transform, p_cam_projection, env_radiance_tex, false, true, false, i > 0, shadow_atlas != nullptr); } } #endif @@ -2005,7 +2182,7 @@ void RasterizerSceneHighEndRD::_render_scene(RID p_render_buffer, const Transfor //disable all stuff #endif } -void RasterizerSceneHighEndRD::_render_shadow(RID p_framebuffer, InstanceBase **p_cull_result, int p_cull_count, const CameraMatrix &p_projection, const Transform &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip) { +void RasterizerSceneHighEndRD::_render_shadow(RID p_framebuffer, InstanceBase **p_cull_result, int p_cull_count, const CameraMatrix &p_projection, const Transform &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake) { RENDER_TIMESTAMP("Setup Rendering Shadow"); @@ -2013,11 +2190,9 @@ void RasterizerSceneHighEndRD::_render_shadow(RID p_framebuffer, InstanceBase ** render_pass++; - scene_state.ubo.shadow_z_offset = p_bias; - scene_state.ubo.shadow_z_slope_scale = p_normal_bias; scene_state.ubo.dual_paraboloid_side = p_use_dp_flip ? -1 : 1; - _setup_environment(RID(), p_projection, p_transform, RID(), true, Vector2(1, 1), RID(), true, Color(), 0, p_zfar); + _setup_environment(RID(), p_projection, p_transform, RID(), true, Vector2(1, 1), RID(), true, Color(), 0, p_zfar, false, p_use_pancake); render_list.clear(); @@ -2048,8 +2223,6 @@ void RasterizerSceneHighEndRD::_render_material(const Transform &p_cam_transform render_pass++; - scene_state.ubo.shadow_z_offset = 0; - scene_state.ubo.shadow_z_slope_scale = 0; scene_state.ubo.dual_paraboloid_side = 0; _setup_environment(RID(), p_cam_projection, p_cam_transform, RID(), true, Vector2(1, 1), RID(), false, Color(), 0, 0); @@ -2146,7 +2319,7 @@ void RasterizerSceneHighEndRD::_update_render_base_uniform_set() { { RD::Uniform u; u.binding = 5; - u.type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.type = RD::UNIFORM_TYPE_STORAGE_BUFFER; u.ids.push_back(scene_state.light_buffer); uniforms.push_back(u); } @@ -2366,7 +2539,7 @@ void RasterizerSceneHighEndRD::_update_render_buffers_uniform_set(RID p_render_b } } -RasterizerSceneHighEndRD *RasterizerSceneHighEndRD::singleton = NULL; +RasterizerSceneHighEndRD *RasterizerSceneHighEndRD::singleton = nullptr; void RasterizerSceneHighEndRD::set_time(double p_time, double p_step) { time = p_time; @@ -2405,11 +2578,11 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag } { //lights - scene_state.max_lights = MIN(65536, uniform_max_size) / sizeof(LightData); + scene_state.max_lights = MIN(1024 * 1024, uniform_max_size) / sizeof(LightData); //1mb of lights uint32_t light_buffer_size = scene_state.max_lights * sizeof(LightData); scene_state.lights = memnew_arr(LightData, scene_state.max_lights); - scene_state.light_buffer = RD::get_singleton()->uniform_buffer_create(light_buffer_size); - defines += "\n#define MAX_LIGHT_DATA_STRUCTS " + itos(scene_state.max_lights) + "\n"; + scene_state.light_buffer = RD::get_singleton()->storage_buffer_create(light_buffer_size); + //defines += "\n#define MAX_LIGHT_DATA_STRUCTS " + itos(scene_state.max_lights) + "\n"; scene_state.max_directional_lights = 8; uint32_t directional_light_buffer_size = scene_state.max_directional_lights * sizeof(DirectionalLightData); @@ -2511,7 +2684,11 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag actions.renames["ANISOTROPY"] = "anisotropy"; actions.renames["ANISOTROPY_FLOW"] = "anisotropy_flow"; actions.renames["SSS_STRENGTH"] = "sss_strength"; - actions.renames["TRANSMISSION"] = "transmission"; + actions.renames["SSS_TRANSMITTANCE_COLOR"] = "transmittance_color"; + actions.renames["SSS_TRANSMITTANCE_DEPTH"] = "transmittance_depth"; + actions.renames["SSS_TRANSMITTANCE_CURVE"] = "transmittance_curve"; + actions.renames["SSS_TRANSMITTANCE_BOOST"] = "transmittance_boost"; + actions.renames["BACKLIGHT"] = "backlight"; actions.renames["AO"] = "ao"; actions.renames["AO_LIGHT_AFFECT"] = "ao_light_affect"; actions.renames["EMISSION"] = "emission"; @@ -2551,7 +2728,8 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag actions.usage_defines["POSITION"] = "#define OVERRIDE_POSITION\n"; actions.usage_defines["SSS_STRENGTH"] = "#define ENABLE_SSS\n"; - actions.usage_defines["TRANSMISSION"] = "#define LIGHT_TRANSMISSION_USED\n"; + actions.usage_defines["SSS_TRANSMITTANCE_DEPTH"] = "#define ENABLE_TRANSMITTANCE\n"; + actions.usage_defines["BACKLIGHT"] = "#define LIGHT_BACKLIGHT_USED\n"; actions.usage_defines["SCREEN_TEXTURE"] = "#define SCREEN_TEXTURE_USED\n"; actions.usage_defines["SCREEN_UV"] = "#define SCREEN_UV_USED\n"; @@ -2574,6 +2752,8 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag actions.render_mode_defines["diffuse_lambert_wrap"] = "#define DIFFUSE_LAMBERT_WRAP\n"; actions.render_mode_defines["diffuse_toon"] = "#define DIFFUSE_TOON\n"; + actions.render_mode_defines["sss_mode_skin"] = "#define SSS_MODE_SKIN\n"; + bool force_blinn = GLOBAL_GET("rendering/quality/shading/force_blinn_over_ggx"); if (!force_blinn) { diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h index 4c3422cedb..b4f5d25afd 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h @@ -138,6 +138,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { bool unshaded; bool uses_vertex; bool uses_sss; + bool uses_transmittance; bool uses_screen_texture; bool uses_depth_texture; bool uses_normal_texture; @@ -207,6 +208,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { RID depth_normal_roughness_fb; RID color_fb; RID color_specular_fb; + RID specular_only_fb; int width, height; void ensure_specular(); @@ -252,13 +254,19 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { float position[3]; float inv_radius; float direction[3]; + float size; uint16_t attenuation_energy[2]; //16 bits attenuation, then energy uint8_t color_specular[4]; //rgb color, a specular (8 bit unorm) uint16_t cone_attenuation_angle[2]; // attenuation and angle, (16bit float) - uint32_t mask; uint8_t shadow_color_enabled[4]; //shadow rgb color, a>0.5 enabled (8bit unorm) float atlas_rect[4]; // in omni, used for atlas uv, in spot, used for projector uv float shadow_matrix[16]; + float shadow_bias; + float shadow_normal_bias; + float transmittance_bias; + float soft_shadow_size; + uint32_t mask; + uint32_t pad[3]; }; struct DirectionalLightData { @@ -266,15 +274,30 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { float direction[3]; float energy; float color[3]; + float size; float specular; - float shadow_color[3]; uint32_t mask; + float softshadow_angle; + uint32_t pad[1]; uint32_t blend_splits; uint32_t shadow_enabled; float fade_from; float fade_to; + float shadow_bias[4]; + float shadow_normal_bias[4]; + float shadow_transmittance_bias[4]; + float shadow_transmittance_z_scale[4]; + float shadow_range_begin[4]; float shadow_split_offsets[4]; float shadow_matrices[4][16]; + float shadow_color1[4]; + float shadow_color2[4]; + float shadow_color3[4]; + float shadow_color4[4]; + float uv_scale1[2]; + float uv_scale2[2]; + float uv_scale3[2]; + float uv_scale4[2]; }; struct GIProbeData { @@ -323,12 +346,15 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { float viewport_size[2]; float screen_pixel_size[2]; - float shadow_z_offset; - float shadow_z_slope_scale; - float time; float reflection_multiplier; + uint32_t pancake_shadows; + uint32_t shadow_filter_mode; + + uint32_t shadow_blocker_count; + uint32_t shadow_pad[3]; + float ambient_light_color_energy[4]; float ambient_color_sky_mix; @@ -489,7 +515,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { _FORCE_INLINE_ Element *add_element() { if (element_count + alpha_element_count >= max_elements) - return NULL; + return nullptr; elements[element_count] = &base_elements[element_count]; return elements[element_count++]; } @@ -497,7 +523,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { _FORCE_INLINE_ Element *add_alpha_element() { if (element_count + alpha_element_count >= max_elements) - return NULL; + return nullptr; int idx = max_elements - alpha_element_count - 1; elements[idx] = &base_elements[idx]; alpha_element_count++; @@ -557,7 +583,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { PASS_MODE_DEPTH_MATERIAL, }; - void _setup_environment(RID p_environment, const CameraMatrix &p_cam_projection, const Transform &p_cam_transform, RID p_reflection_probe, bool p_no_fog, const Size2 &p_screen_pixel_size, RID p_shadow_atlas, bool p_flip_y, const Color &p_default_bg_color, float p_znear, float p_zfar, bool p_opaque_render_buffers = false); + void _setup_environment(RID p_environment, const CameraMatrix &p_cam_projection, const Transform &p_cam_transform, RID p_reflection_probe, bool p_no_fog, const Size2 &p_screen_pixel_size, RID p_shadow_atlas, bool p_flip_y, const Color &p_default_bg_color, float p_znear, float p_zfar, bool p_opaque_render_buffers = false, bool p_pancake_shadows = false); void _setup_lights(RID *p_light_cull_result, int p_light_cull_count, const Transform &p_camera_inverse_transform, RID p_shadow_atlas, bool p_using_shadows); void _setup_reflections(RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, const Transform &p_camera_inverse_transform, RID p_environment); void _setup_gi_probes(RID *p_gi_probe_probe_cull_result, int p_gi_probe_probe_cull_count, const Transform &p_camera_transform); @@ -571,7 +597,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { protected: virtual void _render_scene(RID p_render_buffer, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID *p_light_cull_result, int p_light_cull_count, RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, RID *p_gi_probe_cull_result, int p_gi_probe_cull_count, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, const Color &p_default_bg_color); - virtual void _render_shadow(RID p_framebuffer, InstanceBase **p_cull_result, int p_cull_count, const CameraMatrix &p_projection, const Transform &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip); + virtual void _render_shadow(RID p_framebuffer, InstanceBase **p_cull_result, int p_cull_count, const CameraMatrix &p_projection, const Transform &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake); virtual void _render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region); public: diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp index 517eea12f4..a0bbf8bd43 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp @@ -456,7 +456,7 @@ RID RasterizerSceneRD::sky_get_material(RID p_sky) const { return sky->material; } -void RasterizerSceneRD::_draw_sky(bool p_can_continue, RID p_fb, RID p_environment, const CameraMatrix &p_projection, const Transform &p_transform) { +void RasterizerSceneRD::_draw_sky(bool p_can_continue_color, bool p_can_continue_depth, RID p_fb, RID p_environment, const CameraMatrix &p_projection, const Transform &p_transform) { ERR_FAIL_COND(!is_environment(p_environment)); @@ -465,12 +465,12 @@ void RasterizerSceneRD::_draw_sky(bool p_can_continue, RID p_fb, RID p_environme RID sky_material = sky_get_material(environment_get_sky(p_environment)); - SkyMaterialData *material = NULL; + SkyMaterialData *material = nullptr; if (sky_material.is_valid()) { material = (SkyMaterialData *)storage->material_get_data(sky_material, RasterizerStorageRD::SHADER_TYPE_SKY); if (!material || !material->shader_data->valid) { - material = NULL; + material = nullptr; } } @@ -537,7 +537,7 @@ void RasterizerSceneRD::_draw_sky(bool p_can_continue, RID p_fb, RID p_environme RID texture_uniform_set = _get_sky_textures(sky, SKY_TEXTURE_SET_BACKGROUND); - RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_fb, RD::INITIAL_ACTION_CONTINUE, p_can_continue ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CONTINUE, p_can_continue ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ); + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_fb, RD::INITIAL_ACTION_CONTINUE, p_can_continue_color ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CONTINUE, p_can_continue_depth ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ); storage->get_effects()->render_sky(draw_list, time, p_fb, sky_scene_state.sampler_uniform_set, sky_scene_state.light_uniform_set, pipeline, material->uniform_set, texture_uniform_set, camera, sky_transform, multiplier, p_transform.origin); RD::get_singleton()->draw_list_end(); } @@ -551,12 +551,12 @@ void RasterizerSceneRD::_setup_sky(RID p_environment, const Vector3 &p_position, RID sky_material = sky_get_material(environment_get_sky(p_environment)); - SkyMaterialData *material = NULL; + SkyMaterialData *material = nullptr; if (sky_material.is_valid()) { material = (SkyMaterialData *)storage->material_get_data(sky_material, RasterizerStorageRD::SHADER_TYPE_SKY); if (!material || !material->shader_data->valid) { - material = NULL; + material = nullptr; } } @@ -688,12 +688,12 @@ void RasterizerSceneRD::_update_sky(RID p_environment, const CameraMatrix &p_pro RID sky_material = sky_get_material(environment_get_sky(p_environment)); - SkyMaterialData *material = NULL; + SkyMaterialData *material = nullptr; if (sky_material.is_valid()) { material = (SkyMaterialData *)storage->material_get_data(sky_material, RasterizerStorageRD::SHADER_TYPE_SKY); if (!material || !material->shader_data->valid) { - material = NULL; + material = nullptr; } } @@ -1231,6 +1231,26 @@ void RasterizerSceneRD::environment_glow_set_use_bicubic_upscale(bool p_enable) glow_bicubic_upscale = p_enable; } +void RasterizerSceneRD::environment_set_ssr(RID p_env, bool p_enable, int p_max_steps, float p_fade_int, float p_fade_out, float p_depth_tolerance) { + + Environent *env = environment_owner.getornull(p_env); + ERR_FAIL_COND(!env); + + env->ssr_enabled = p_enable; + env->ssr_max_steps = p_max_steps; + env->ssr_fade_in = p_fade_int; + env->ssr_fade_out = p_fade_out; + env->ssr_depth_tolerance = p_depth_tolerance; +} + +void RasterizerSceneRD::environment_set_ssr_roughness_quality(RS::EnvironmentSSRRoughnessQuality p_quality) { + ssr_roughness_quality = p_quality; +} + +RS::EnvironmentSSRRoughnessQuality RasterizerSceneRD::environment_get_ssr_roughness_quality() const { + return ssr_roughness_quality; +} + void RasterizerSceneRD::environment_set_ssao(RID p_env, bool p_enable, float p_radius, float p_intensity, float p_bias, float p_light_affect, float p_ao_channel_affect, RS::EnvironmentSSAOBlur p_blur, float p_bilateral_sharpness) { Environent *env = environment_owner.getornull(p_env); @@ -1272,7 +1292,7 @@ bool RasterizerSceneRD::environment_is_ssr_enabled(RID p_env) const { Environent *env = environment_owner.getornull(p_env); ERR_FAIL_COND_V(!env, false); - return false; + return env->ssr_enabled; } bool RasterizerSceneRD::is_environment(RID p_env) const { @@ -2012,7 +2032,7 @@ void RasterizerSceneRD::light_instance_set_transform(RID p_light_instance, const light_instance->transform = p_transform; } -void RasterizerSceneRD::light_instance_set_shadow_transform(RID p_light_instance, const CameraMatrix &p_projection, const Transform &p_transform, float p_far, float p_split, int p_pass, float p_bias_scale) { +void RasterizerSceneRD::light_instance_set_shadow_transform(RID p_light_instance, const CameraMatrix &p_projection, const Transform &p_transform, float p_far, float p_split, int p_pass, float p_shadow_texel_size, float p_bias_scale, float p_range_begin, const Vector2 &p_uv_scale) { LightInstance *light_instance = light_instance_owner.getornull(p_light_instance); ERR_FAIL_COND(!light_instance); @@ -2028,6 +2048,9 @@ void RasterizerSceneRD::light_instance_set_shadow_transform(RID p_light_instance light_instance->shadow_transform[p_pass].farplane = p_far; light_instance->shadow_transform[p_pass].split = p_split; light_instance->shadow_transform[p_pass].bias_scale = p_bias_scale; + light_instance->shadow_transform[p_pass].range_begin = p_range_begin; + light_instance->shadow_transform[p_pass].shadow_texel_size = p_shadow_texel_size; + light_instance->shadow_transform[p_pass].uv_scale = p_uv_scale; } void RasterizerSceneRD::light_instance_mark_visible(RID p_light_instance) { @@ -3167,6 +3190,94 @@ void RasterizerSceneRD::_free_render_buffer_data(RenderBuffers *rb) { rb->ssao.ao_full = RID(); rb->ssao.depth_slices.clear(); } + + if (rb->ssr.blur_radius[0].is_valid()) { + RD::get_singleton()->free(rb->ssr.blur_radius[0]); + RD::get_singleton()->free(rb->ssr.blur_radius[1]); + rb->ssr.blur_radius[0] = RID(); + rb->ssr.blur_radius[1] = RID(); + } + + if (rb->ssr.depth_scaled.is_valid()) { + RD::get_singleton()->free(rb->ssr.depth_scaled); + rb->ssr.depth_scaled = RID(); + RD::get_singleton()->free(rb->ssr.normal_scaled); + rb->ssr.normal_scaled = RID(); + } +} + +void RasterizerSceneRD::_process_sss(RID p_render_buffers, const CameraMatrix &p_camera) { + + RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers); + ERR_FAIL_COND(!rb); + + bool can_use_effects = rb->width >= 8 && rb->height >= 8; + + if (!can_use_effects) { + //just copy + return; + } + + if (rb->blur[0].texture.is_null()) { + _allocate_blur_textures(rb); + _render_buffers_uniform_set_changed(p_render_buffers); + } + + storage->get_effects()->sub_surface_scattering(rb->texture, rb->blur[0].mipmaps[0].texture, rb->depth_texture, p_camera, Size2i(rb->width, rb->height), sss_scale, sss_depth_scale, sss_quality); +} + +void RasterizerSceneRD::_process_ssr(RID p_render_buffers, RID p_dest_framebuffer, RID p_normal_buffer, RID p_roughness_buffer, RID p_specular_buffer, RID p_metallic, const Color &p_metallic_mask, RID p_environment, const CameraMatrix &p_projection, bool p_use_additive) { + + RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers); + ERR_FAIL_COND(!rb); + + bool can_use_effects = rb->width >= 8 && rb->height >= 8; + + if (!can_use_effects) { + //just copy + storage->get_effects()->merge_specular(p_dest_framebuffer, p_specular_buffer, p_use_additive ? RID() : rb->texture, RID()); + return; + } + + Environent *env = environment_owner.getornull(p_environment); + ERR_FAIL_COND(!env); + + ERR_FAIL_COND(!env->ssr_enabled); + + if (rb->ssr.depth_scaled.is_null()) { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R32_SFLOAT; + tf.width = rb->width / 2; + tf.height = rb->height / 2; + tf.type = RD::TEXTURE_TYPE_2D; + tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT; + + rb->ssr.depth_scaled = RD::get_singleton()->texture_create(tf, RD::TextureView()); + + tf.format = RD::DATA_FORMAT_R8G8B8A8_UNORM; + + rb->ssr.normal_scaled = RD::get_singleton()->texture_create(tf, RD::TextureView()); + } + + if (ssr_roughness_quality != RS::ENV_SSR_ROUGNESS_QUALITY_DISABLED && !rb->ssr.blur_radius[0].is_valid()) { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8_UNORM; + tf.width = rb->width / 2; + tf.height = rb->height / 2; + tf.type = RD::TEXTURE_TYPE_2D; + tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT; + + rb->ssr.blur_radius[0] = RD::get_singleton()->texture_create(tf, RD::TextureView()); + rb->ssr.blur_radius[1] = RD::get_singleton()->texture_create(tf, RD::TextureView()); + } + + if (rb->blur[0].texture.is_null()) { + _allocate_blur_textures(rb); + _render_buffers_uniform_set_changed(p_render_buffers); + } + + storage->get_effects()->screen_space_reflection(rb->texture, p_normal_buffer, ssr_roughness_quality, p_roughness_buffer, rb->ssr.blur_radius[0], rb->ssr.blur_radius[1], p_metallic, p_metallic_mask, rb->depth_texture, rb->ssr.depth_scaled, rb->ssr.normal_scaled, rb->blur[0].mipmaps[1].texture, rb->blur[1].mipmaps[0].texture, Size2i(rb->width / 2, rb->height / 2), env->ssr_max_steps, env->ssr_fade_in, env->ssr_fade_out, env->ssr_depth_tolerance, p_projection); + storage->get_effects()->merge_specular(p_dest_framebuffer, p_specular_buffer, p_use_additive ? RID() : rb->texture, rb->blur[0].mipmaps[1].texture); } void RasterizerSceneRD::_process_ssao(RID p_render_buffers, RID p_environment, RID p_normal_buffer, const CameraMatrix &p_projection) { @@ -3459,6 +3570,23 @@ void RasterizerSceneRD::render_buffers_configure(RID p_render_buffers, RID p_ren _render_buffers_uniform_set_changed(p_render_buffers); } +void RasterizerSceneRD::sub_surface_scattering_set_quality(RS::SubSurfaceScatteringQuality p_quality) { + sss_quality = p_quality; +} + +RS::SubSurfaceScatteringQuality RasterizerSceneRD::sub_surface_scattering_get_quality() const { + return sss_quality; +} + +void RasterizerSceneRD::sub_surface_scattering_set_scale(float p_scale, float p_depth_scale) { + sss_scale = p_scale; + sss_depth_scale = p_depth_scale; +} + +void RasterizerSceneRD::shadow_filter_set(RS::ShadowFilter p_filter) { + shadow_filter = p_filter; +} + int RasterizerSceneRD::get_roughness_layers() const { return roughness_layers; } @@ -3469,7 +3597,7 @@ bool RasterizerSceneRD::is_using_radiance_cubemap_array() const { RasterizerSceneRD::RenderBufferData *RasterizerSceneRD::render_buffers_get_data(RID p_render_buffers) { RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers); - ERR_FAIL_COND_V(!rb, NULL); + ERR_FAIL_COND_V(!rb, nullptr); return rb->data; } @@ -3504,12 +3632,15 @@ void RasterizerSceneRD::render_shadow(RID p_light, RID p_shadow_atlas, int p_pas bool using_dual_paraboloid = false; bool using_dual_paraboloid_flip = false; + float znear = 0; float zfar = 0; RID render_fb; RID render_texture; float bias = 0; float normal_bias = 0; + bool use_pancake = false; + bool use_linear_depth = false; bool render_cubemap = false; bool finalize_cubemap = false; @@ -3524,6 +3655,7 @@ void RasterizerSceneRD::render_shadow(RID p_light, RID p_shadow_atlas, int p_pas light_instance->last_scene_shadow_pass = scene_pass; } + use_pancake = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_SHADOW_PANCAKE_SIZE) > 0; light_projection = light_instance->shadow_transform[p_pass].camera; light_transform = light_instance->shadow_transform[p_pass].transform; @@ -3562,7 +3694,7 @@ void RasterizerSceneRD::render_shadow(RID p_light, RID p_shadow_atlas, int p_pas light_instance->shadow_transform[p_pass].atlas_rect.position /= directional_shadow.size; light_instance->shadow_transform[p_pass].atlas_rect.size /= directional_shadow.size; - float bias_mult = Math::lerp(1.0f, light_instance->shadow_transform[p_pass].bias_scale, storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_SHADOW_BIAS_SPLIT_SCALE)); + float bias_mult = light_instance->shadow_transform[p_pass].bias_scale; zfar = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_RANGE); bias = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_SHADOW_BIAS) * bias_mult; normal_bias = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS) * bias_mult; @@ -3641,26 +3773,33 @@ void RasterizerSceneRD::render_shadow(RID p_light, RID p_shadow_atlas, int p_pas ShadowMap *shadow_map = _get_shadow_map(atlas_rect.size); render_fb = shadow_map->fb; render_texture = shadow_map->depth; + + znear = light_instance->shadow_transform[0].camera.get_z_near(); + use_linear_depth = true; } } if (render_cubemap) { //rendering to cubemap - _render_shadow(render_fb, p_cull_result, p_cull_count, light_projection, light_transform, zfar, 0, 0, false, false); + _render_shadow(render_fb, p_cull_result, p_cull_count, light_projection, light_transform, zfar, 0, 0, false, false, use_pancake); if (finalize_cubemap) { //reblit atlas_rect.size.height /= 2; - storage->get_effects()->copy_cubemap_to_dp(render_texture, atlas_fb, atlas_rect, light_projection.get_z_near(), light_projection.get_z_far(), bias, false); + storage->get_effects()->copy_cubemap_to_dp(render_texture, atlas_fb, atlas_rect, light_projection.get_z_near(), light_projection.get_z_far(), 0.0, false); atlas_rect.position.y += atlas_rect.size.height; - storage->get_effects()->copy_cubemap_to_dp(render_texture, atlas_fb, atlas_rect, light_projection.get_z_near(), light_projection.get_z_far(), bias, true); + storage->get_effects()->copy_cubemap_to_dp(render_texture, atlas_fb, atlas_rect, light_projection.get_z_near(), light_projection.get_z_far(), 0.0, true); } } else { //render shadow - _render_shadow(render_fb, p_cull_result, p_cull_count, light_projection, light_transform, zfar, bias, normal_bias, using_dual_paraboloid, using_dual_paraboloid_flip); + _render_shadow(render_fb, p_cull_result, p_cull_count, light_projection, light_transform, zfar, bias, normal_bias, using_dual_paraboloid, using_dual_paraboloid_flip, use_pancake); //copy to atlas - storage->get_effects()->copy_to_rect(render_texture, atlas_fb, atlas_rect, true); + if (use_linear_depth) { + storage->get_effects()->copy_to_rect_and_linearize(render_texture, atlas_fb, atlas_rect, true, znear, zfar); + } else { + storage->get_effects()->copy_to_rect(render_texture, atlas_fb, atlas_rect, true); + } //does not work from depth to color //RD::get_singleton()->texture_copy(render_texture, atlas_texture, Vector3(0, 0, 0), Vector3(atlas_rect.position.x, atlas_rect.position.y, 0), Vector3(atlas_rect.size.x, atlas_rect.size.y, 1), 0, 0, 0, 0, true); @@ -3798,7 +3937,7 @@ float RasterizerSceneRD::screen_space_roughness_limiter_get_curve() const { return screen_space_roughness_limiter_curve; } -RasterizerSceneRD *RasterizerSceneRD::singleton = NULL; +RasterizerSceneRD *RasterizerSceneRD::singleton = nullptr; RasterizerSceneRD::RasterizerSceneRD(RasterizerStorageRD *p_storage) { storage = p_storage; @@ -4012,6 +4151,11 @@ RasterizerSceneRD::RasterizerSceneRD(RasterizerStorageRD *p_storage) { screen_space_roughness_limiter = GLOBAL_GET("rendering/quality/filters/screen_space_roughness_limiter"); screen_space_roughness_limiter_curve = GLOBAL_GET("rendering/quality/filters/screen_space_roughness_limiter_curve"); glow_bicubic_upscale = int(GLOBAL_GET("rendering/quality/glow/upscale_mode")) > 0; + ssr_roughness_quality = RS::EnvironmentSSRRoughnessQuality(int(GLOBAL_GET("rendering/quality/screen_space_reflection/roughness_quality"))); + sss_quality = RS::SubSurfaceScatteringQuality(int(GLOBAL_GET("rendering/quality/subsurface_scattering/subsurface_scattering_quality"))); + sss_scale = GLOBAL_GET("rendering/quality/subsurface_scattering/subsurface_scattering_scale"); + sss_depth_scale = GLOBAL_GET("rendering/quality/subsurface_scattering/subsurface_scattering_depth_scale"); + shadow_filter = RS::ShadowFilter(int(GLOBAL_GET("rendering/quality/shadows/filter_mode"))); } RasterizerSceneRD::~RasterizerSceneRD() { diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h index e26607aba5..3478c05fb1 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h @@ -79,7 +79,7 @@ protected: virtual RenderBufferData *_create_render_buffer_data() = 0; virtual void _render_scene(RID p_render_buffer, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID *p_light_cull_result, int p_light_cull_count, RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, RID *p_gi_probe_cull_result, int p_gi_probe_cull_count, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, const Color &p_default_color) = 0; - virtual void _render_shadow(RID p_framebuffer, InstanceBase **p_cull_result, int p_cull_count, const CameraMatrix &p_projection, const Transform &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool use_dp_flip) = 0; + virtual void _render_shadow(RID p_framebuffer, InstanceBase **p_cull_result, int p_cull_count, const CameraMatrix &p_projection, const Transform &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool use_dp_flip, bool p_use_pancake) = 0; virtual void _render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region) = 0; virtual void _debug_giprobe(RID p_gi_probe, RenderingDevice::DrawListID p_draw_list, RID p_framebuffer, const CameraMatrix &p_camera_with_transform, bool p_lighting, bool p_emission, float p_alpha); @@ -92,10 +92,12 @@ protected: virtual RID _render_buffers_get_normal_texture(RID p_render_buffers) = 0; void _process_ssao(RID p_render_buffers, RID p_environment, RID p_normal_buffer, const CameraMatrix &p_projection); + void _process_ssr(RID p_render_buffers, RID p_dest_framebuffer, RID p_normal_buffer, RID p_roughness_buffer, RID p_specular_buffer, RID p_metallic, const Color &p_metallic_mask, RID p_environment, const CameraMatrix &p_projection, bool p_use_additive); + void _process_sss(RID p_render_buffers, const CameraMatrix &p_camera); void _setup_sky(RID p_environment, const Vector3 &p_position, const Size2i p_screen_size); void _update_sky(RID p_environment, const CameraMatrix &p_projection, const Transform &p_transform); - void _draw_sky(bool p_can_continue, RID p_fb, RID p_environment, const CameraMatrix &p_projection, const Transform &p_transform); + void _draw_sky(bool p_can_continue_color, bool p_can_continue_depth, RID p_fb, RID p_environment, const CameraMatrix &p_projection, const Transform &p_transform); private: RS::ViewportDebugDraw debug_draw = RS::VIEWPORT_DEBUG_DRAW_DISABLED; @@ -525,6 +527,8 @@ private: bool _shadow_atlas_find_shadow(ShadowAtlas *shadow_atlas, int *p_in_quadrants, int p_quadrant_count, int p_current_subdiv, uint64_t p_tick, int &r_quadrant, int &r_shadow); + RS::ShadowFilter shadow_filter = RS::SHADOW_FILTER_NONE; + /* DIRECTIONAL SHADOW */ struct DirectionalShadow { @@ -568,10 +572,13 @@ private: float farplane; float split; float bias_scale; + float shadow_texel_size; + float range_begin; Rect2 atlas_rect; + Vector2 uv_scale; }; - RS::LightType light_type; + RS::LightType light_type = RS::LIGHT_DIRECTIONAL; ShadowTransform shadow_transform[4]; @@ -581,7 +588,7 @@ private: Vector3 light_vector; Vector3 spot_vector; - float linear_att; + float linear_att = 0.0; uint64_t shadow_pass = 0; uint64_t last_scene_pass = 0; @@ -590,7 +597,7 @@ private: uint32_t light_index = 0; uint32_t light_directional_index = 0; - uint32_t current_shadow_atlas_key; + uint32_t current_shadow_atlas_key = 0; Vector2 dp; @@ -657,11 +664,20 @@ private: float ssao_ao_channel_affect = 0.0; float ssao_blur_edge_sharpness = 4.0; RS::EnvironmentSSAOBlur ssao_blur = RS::ENV_SSAO_BLUR_3x3; + + /// SSR + /// + bool ssr_enabled = false; + int ssr_max_steps = 64; + float ssr_fade_in = 0.15; + float ssr_fade_out = 2.0; + float ssr_depth_tolerance = 0.2; }; RS::EnvironmentSSAOQuality ssao_quality = RS::ENV_SSAO_QUALITY_MEDIUM; bool ssao_half_size = false; bool glow_bicubic_upscale = false; + RS::EnvironmentSSRRoughnessQuality ssr_roughness_quality = RS::ENV_SSR_ROUGNESS_QUALITY_LOW; static uint64_t auto_exposure_counter; @@ -688,6 +704,9 @@ private: RS::DOFBlurQuality dof_blur_quality = RS::DOF_BLUR_QUALITY_MEDIUM; RS::DOFBokehShape dof_blur_bokeh_shape = RS::DOF_BOKEH_HEXAGON; bool dof_blur_use_jitter = false; + RS::SubSurfaceScatteringQuality sss_quality = RS::SUB_SURFACE_SCATTERING_QUALITY_MEDIUM; + float sss_scale = 0.05; + float sss_depth_scale = 0.01; mutable RID_Owner<CameraEffects> camera_effects_owner; @@ -733,6 +752,12 @@ private: RID ao[2]; RID ao_full; //when using half-size } ssao; + + struct SSR { + RID normal_scaled; + RID depth_scaled; + RID blur_radius[2]; + } ssr; }; bool screen_space_roughness_limiter = false; @@ -832,7 +857,7 @@ public: void environment_set_fog(RID p_env, bool p_enable, float p_begin, float p_end, RID p_gradient_texture) {} - void environment_set_ssr(RID p_env, bool p_enable, int p_max_steps, float p_fade_int, float p_fade_out, float p_depth_tolerance, bool p_roughness) {} + void environment_set_ssr(RID p_env, bool p_enable, int p_max_steps, float p_fade_int, float p_fade_out, float p_depth_tolerance); void environment_set_ssao(RID p_env, bool p_enable, float p_radius, float p_intensity, float p_bias, float p_light_affect, float p_ao_channel_affect, RS::EnvironmentSSAOBlur p_blur, float p_bilateral_sharpness); void environment_set_ssao_quality(RS::EnvironmentSSAOQuality p_quality, bool p_half_size); bool environment_is_ssao_enabled(RID p_env) const; @@ -840,6 +865,9 @@ public: float environment_get_ssao_light_affect(RID p_env) const; bool environment_is_ssr_enabled(RID p_env) const; + void environment_set_ssr_roughness_quality(RS::EnvironmentSSRRoughnessQuality p_quality); + RS::EnvironmentSSRRoughnessQuality environment_get_ssr_roughness_quality() const; + void environment_set_tonemap(RID p_env, RS::EnvironmentToneMapper p_tone_mapper, float p_exposure, float p_white, bool p_auto_exposure, float p_min_luminance, float p_max_luminance, float p_auto_exp_speed, float p_auto_exp_scale); void environment_set_adjustment(RID p_env, bool p_enable, float p_brightness, float p_contrast, float p_saturation, RID p_ramp) {} @@ -857,7 +885,7 @@ public: RID light_instance_create(RID p_light); void light_instance_set_transform(RID p_light_instance, const Transform &p_transform); - void light_instance_set_shadow_transform(RID p_light_instance, const CameraMatrix &p_projection, const Transform &p_transform, float p_far, float p_split, int p_pass, float p_bias_scale = 1.0); + void light_instance_set_shadow_transform(RID p_light_instance, const CameraMatrix &p_projection, const Transform &p_transform, float p_far, float p_split, int p_pass, float p_shadow_texel_size, float p_bias_scale = 1.0, float p_range_begin = 0, const Vector2 &p_uv_scale = Vector2()); void light_instance_mark_visible(RID p_light_instance); _FORCE_INLINE_ RID light_instance_get_base_light(RID p_light_instance) { @@ -903,11 +931,55 @@ public: return li->shadow_transform[p_index].camera; } - _FORCE_INLINE_ Transform light_instance_get_shadow_transform(RID p_light_instance, int p_index) { + _FORCE_INLINE_ float light_instance_get_shadow_texel_size(RID p_light_instance, RID p_shadow_atlas) { + +#ifdef DEBUG_ENABLED + LightInstance *li = light_instance_owner.getornull(p_light_instance); + ERR_FAIL_COND_V(!li->shadow_atlases.has(p_shadow_atlas), 0); +#endif + ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_shadow_atlas); + ERR_FAIL_COND_V(!shadow_atlas, 0); +#ifdef DEBUG_ENABLED + ERR_FAIL_COND_V(!shadow_atlas->shadow_owners.has(p_light_instance), 0); +#endif + uint32_t key = shadow_atlas->shadow_owners[p_light_instance]; + + uint32_t quadrant = (key >> ShadowAtlas::QUADRANT_SHIFT) & 0x3; + + uint32_t quadrant_size = shadow_atlas->size >> 1; + + uint32_t shadow_size = (quadrant_size / shadow_atlas->quadrants[quadrant].subdivision); + + return float(1.0) / shadow_size; + } + + _FORCE_INLINE_ Transform + light_instance_get_shadow_transform(RID p_light_instance, int p_index) { LightInstance *li = light_instance_owner.getornull(p_light_instance); return li->shadow_transform[p_index].transform; } + _FORCE_INLINE_ float light_instance_get_shadow_bias_scale(RID p_light_instance, int p_index) { + + LightInstance *li = light_instance_owner.getornull(p_light_instance); + return li->shadow_transform[p_index].bias_scale; + } + _FORCE_INLINE_ float light_instance_get_shadow_range(RID p_light_instance, int p_index) { + + LightInstance *li = light_instance_owner.getornull(p_light_instance); + return li->shadow_transform[p_index].farplane; + } + _FORCE_INLINE_ float light_instance_get_shadow_range_begin(RID p_light_instance, int p_index) { + + LightInstance *li = light_instance_owner.getornull(p_light_instance); + return li->shadow_transform[p_index].range_begin; + } + + _FORCE_INLINE_ Vector2 light_instance_get_shadow_uv_scale(RID p_light_instance, int p_index) { + + LightInstance *li = light_instance_owner.getornull(p_light_instance); + return li->shadow_transform[p_index].uv_scale; + } _FORCE_INLINE_ Rect2 light_instance_get_directional_shadow_atlas_rect(RID p_light_instance, int p_index) { @@ -921,6 +993,12 @@ public: return li->shadow_transform[p_index].split; } + _FORCE_INLINE_ float light_instance_get_directional_shadow_texel_size(RID p_light_instance, int p_index) { + + LightInstance *li = light_instance_owner.getornull(p_light_instance); + return li->shadow_transform[p_index].shadow_texel_size; + } + _FORCE_INLINE_ void light_instance_set_render_pass(RID p_light_instance, uint64_t p_pass) { LightInstance *li = light_instance_owner.getornull(p_light_instance); li->last_pass = p_pass; @@ -1084,13 +1162,24 @@ public: void render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region); - virtual void set_scene_pass(uint64_t p_pass) { scene_pass = p_pass; } - _FORCE_INLINE_ uint64_t get_scene_pass() { return scene_pass; } + virtual void set_scene_pass(uint64_t p_pass) { + scene_pass = p_pass; + } + _FORCE_INLINE_ uint64_t get_scene_pass() { + return scene_pass; + } virtual void screen_space_roughness_limiter_set_active(bool p_enable, float p_curve); virtual bool screen_space_roughness_limiter_is_active() const; virtual float screen_space_roughness_limiter_get_curve() const; + virtual void sub_surface_scattering_set_quality(RS::SubSurfaceScatteringQuality p_quality); + RS::SubSurfaceScatteringQuality sub_surface_scattering_get_quality() const; + virtual void sub_surface_scattering_set_scale(float p_scale, float p_depth_scale); + + virtual void shadow_filter_set(RS::ShadowFilter p_filter); + _FORCE_INLINE_ RS::ShadowFilter shadow_filter_get() const { return shadow_filter; } + int get_roughness_layers() const; bool is_using_radiance_cubemap_array() const; @@ -1099,7 +1188,9 @@ public: virtual void update(); virtual void set_debug_draw_mode(RS::ViewportDebugDraw p_debug_draw); - _FORCE_INLINE_ RS::ViewportDebugDraw get_debug_draw_mode() const { return debug_draw; } + _FORCE_INLINE_ RS::ViewportDebugDraw get_debug_draw_mode() const { + return debug_draw; + } virtual void set_time(double p_time, double p_step); diff --git a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp index 83af15602c..0b26ec1be6 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp @@ -29,6 +29,7 @@ /*************************************************************************/ #include "rasterizer_storage_rd.h" + #include "core/engine.h" #include "core/project_settings.h" #include "servers/rendering/shader_language.h" @@ -861,7 +862,7 @@ Size2 RasterizerStorageRD::texture_size_with_proxy(RID p_proxy) { RID RasterizerStorageRD::shader_create() { Shader shader; - shader.data = NULL; + shader.data = nullptr; shader.type = SHADER_TYPE_MAX; return shader_owner.make_rid(shader); @@ -889,7 +890,7 @@ void RasterizerStorageRD::shader_set_code(RID p_shader, const String &p_code) { if (new_type != shader->type) { if (shader->data) { memdelete(shader->data); - shader->data = NULL; + shader->data = nullptr; } for (Set<Material *>::Element *E = shader->owners.front(); E; E = E->next()) { @@ -898,7 +899,7 @@ void RasterizerStorageRD::shader_set_code(RID p_shader, const String &p_code) { material->shader_type = new_type; if (material->data) { memdelete(material->data); - material->data = NULL; + material->data = nullptr; } } @@ -990,10 +991,10 @@ void RasterizerStorageRD::shader_set_data_request_function(ShaderType p_shader_t RID RasterizerStorageRD::material_create() { Material material; - material.data = NULL; - material.shader = NULL; + material.data = nullptr; + material.shader = nullptr; material.shader_type = SHADER_TYPE_MAX; - material.update_next = NULL; + material.update_next = nullptr; material.update_requested = false; material.uniform_dirty = false; material.texture_dirty = false; @@ -1025,12 +1026,12 @@ void RasterizerStorageRD::material_set_shader(RID p_material, RID p_shader) { if (material->data) { memdelete(material->data); - material->data = NULL; + material->data = nullptr; } if (material->shader) { material->shader->owners.erase(material); - material->shader = NULL; + material->shader = nullptr; material->shader_type = SHADER_TYPE_MAX; } @@ -1049,7 +1050,7 @@ void RasterizerStorageRD::material_set_shader(RID p_material, RID p_shader) { return; } - ERR_FAIL_COND(shader->data == NULL); + ERR_FAIL_COND(shader->data == nullptr); material->data = material_data_request_func[shader->type](shader->data); material->data->set_next_pass(material->next_pass); @@ -1664,7 +1665,7 @@ void RasterizerStorageRD::MaterialData::update_textures(const Map<StringName, Va RasterizerStorageRD *singleton = (RasterizerStorageRD *)RasterizerStorage::base_singleton; #ifdef TOOLS_ENABLED Texture *roughness_detect_texture = nullptr; - RS::TextureDetectRoughnessChannel roughness_channel; + RS::TextureDetectRoughnessChannel roughness_channel = RS::TEXTURE_DETECT_ROUGNHESS_R; Texture *normal_detect_texture = nullptr; #endif @@ -1769,10 +1770,10 @@ void RasterizerStorageRD::_update_queued_materials() { material->update_requested = false; material->texture_dirty = false; material->uniform_dirty = false; - material->update_next = NULL; + material->update_next = nullptr; material = next; } - material_update_list = NULL; + material_update_list = nullptr; } /* MESH API */ @@ -3103,15 +3104,17 @@ RID RasterizerStorageRD::light_create(RS::LightType p_type) { light.param[RS::LIGHT_PARAM_INDIRECT_ENERGY] = 1.0; light.param[RS::LIGHT_PARAM_SPECULAR] = 0.5; light.param[RS::LIGHT_PARAM_RANGE] = 1.0; + light.param[RS::LIGHT_PARAM_SIZE] = 0.0; light.param[RS::LIGHT_PARAM_SPOT_ANGLE] = 45; - light.param[RS::LIGHT_PARAM_CONTACT_SHADOW_SIZE] = 45; light.param[RS::LIGHT_PARAM_SHADOW_MAX_DISTANCE] = 0; light.param[RS::LIGHT_PARAM_SHADOW_SPLIT_1_OFFSET] = 0.1; light.param[RS::LIGHT_PARAM_SHADOW_SPLIT_2_OFFSET] = 0.3; light.param[RS::LIGHT_PARAM_SHADOW_SPLIT_3_OFFSET] = 0.6; light.param[RS::LIGHT_PARAM_SHADOW_FADE_START] = 0.8; - light.param[RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS] = 0.1; - light.param[RS::LIGHT_PARAM_SHADOW_BIAS_SPLIT_SCALE] = 0.1; + light.param[RS::LIGHT_PARAM_SHADOW_BIAS] = 0.02; + light.param[RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS] = 1.0; + light.param[RS::LIGHT_PARAM_SHADOW_PANCAKE_SIZE] = 20.0; + light.param[RS::LIGHT_PARAM_TRANSMITTANCE_BIAS] = 0.05; return light_owner.make_rid(light); } @@ -3137,6 +3140,7 @@ void RasterizerStorageRD::light_set_param(RID p_light, RS::LightParam p_param, f case RS::LIGHT_PARAM_SHADOW_SPLIT_2_OFFSET: case RS::LIGHT_PARAM_SHADOW_SPLIT_3_OFFSET: case RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS: + case RS::LIGHT_PARAM_SHADOW_PANCAKE_SIZE: case RS::LIGHT_PARAM_SHADOW_BIAS: { light->version++; @@ -4452,10 +4456,10 @@ String RasterizerStorageRD::get_captured_timestamp_name(uint32_t p_index) const RasterizerStorageRD::RasterizerStorageRD() { for (int i = 0; i < SHADER_TYPE_MAX; i++) { - shader_data_request_func[i] = NULL; + shader_data_request_func[i] = nullptr; } - material_update_list = NULL; + material_update_list = nullptr; { //create default textures RD::TextureFormat tformat; diff --git a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h index e69be644d7..7573a0d70c 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h @@ -218,7 +218,7 @@ private: struct Mesh { struct Surface { - RS::PrimitiveType primitive; + RS::PrimitiveType primitive = RS::PRIMITIVE_POINTS; uint32_t format = 0; RID vertex_buffer; @@ -232,8 +232,8 @@ private: // cache-efficient structure. struct Version { - uint32_t input_mask; - RD::VertexFormatID vertex_format; + uint32_t input_mask = 0; + RD::VertexFormatID vertex_format = 0; RID vertex_array; }; @@ -246,7 +246,7 @@ private: uint32_t index_count = 0; struct LOD { - float edge_length; + float edge_length = 0.0; RID index_buffer; RID index_array; }; @@ -456,9 +456,9 @@ private: RID color; //used for retrieving from CPU - RD::DataFormat color_format; - RD::DataFormat color_format_srgb; - Image::Format image_format; + RD::DataFormat color_format = RD::DATA_FORMAT_R4G4_UNORM_PACK8; + RD::DataFormat color_format_srgb = RD::DATA_FORMAT_R4G4_UNORM_PACK8; + Image::Format image_format = Image::FORMAT_L8; bool flags[RENDER_TARGET_FLAG_MAX]; @@ -604,7 +604,7 @@ public: _FORCE_INLINE_ MaterialData *material_get_data(RID p_material, ShaderType p_shader_type) { Material *material = material_owner.getornull(p_material); if (!material || material->shader_type != p_shader_type) { - return NULL; + return nullptr; } else { return material->data; } @@ -640,10 +640,10 @@ public: _FORCE_INLINE_ const RID *mesh_get_surface_count_and_materials(RID p_mesh, uint32_t &r_surface_count) { Mesh *mesh = mesh_owner.getornull(p_mesh); - ERR_FAIL_COND_V(!mesh, NULL); + ERR_FAIL_COND_V(!mesh, nullptr); r_surface_count = mesh->surface_count; if (r_surface_count == 0) { - return NULL; + return nullptr; } if (mesh->material_cache.empty()) { mesh->material_cache.resize(mesh->surface_count); @@ -926,6 +926,14 @@ public: return light->negative; } + _FORCE_INLINE_ float light_get_transmittance_bias(RID p_light) const { + + const Light *light = light_owner.getornull(p_light); + ERR_FAIL_COND_V(!light, 0.0); + + return light->param[RS::LIGHT_PARAM_TRANSMITTANCE_BIAS]; + } + bool light_get_use_gi(RID p_light); uint64_t light_get_version(RID p_light) const; @@ -1037,7 +1045,7 @@ public: void lightmap_capture_set_energy(RID p_capture, float p_energy) {} float lightmap_capture_get_energy(RID p_capture) const { return 0.0; } const Vector<LightmapCaptureOctree> *lightmap_capture_get_octree_ptr(RID p_capture) const { - return NULL; + return nullptr; } /* PARTICLES */ diff --git a/servers/rendering/rasterizer_rd/render_pipeline_vertex_format_cache_rd.cpp b/servers/rendering/rasterizer_rd/render_pipeline_vertex_format_cache_rd.cpp index 4ee020aa69..2bfdb7fffe 100644 --- a/servers/rendering/rasterizer_rd/render_pipeline_vertex_format_cache_rd.cpp +++ b/servers/rendering/rasterizer_rd/render_pipeline_vertex_format_cache_rd.cpp @@ -57,7 +57,7 @@ void RenderPipelineVertexFormatCacheRD::_clear() { } version_count = 0; memfree(versions); - versions = NULL; + versions = nullptr; } } @@ -88,7 +88,7 @@ void RenderPipelineVertexFormatCacheRD::clear() { RenderPipelineVertexFormatCacheRD::RenderPipelineVertexFormatCacheRD() { version_count = 0; - versions = NULL; + versions = nullptr; input_mask = 0; } diff --git a/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp b/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp index b3a4b0ede8..4a0b4f02b1 100644 --- a/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp +++ b/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp @@ -303,7 +303,7 @@ void ShaderCompilerRD::_dump_function_deps(const SL::ShaderNode *p_node, const S _dump_function_deps(p_node, E->get(), p_func_code, r_to_add, added); - SL::FunctionNode *fnode = NULL; + SL::FunctionNode *fnode = nullptr; for (int i = 0; i < p_node->functions.size(); i++) { if (p_node->functions[i].name == E->get()) { @@ -572,7 +572,7 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge function = fnode; current_func_name = fnode->name; function_code[fnode->name] = _dump_node_code(fnode->body, p_level + 1, r_gen_code, p_actions, p_default_actions, p_assigning); - function = NULL; + function = nullptr; } //place functions in actual code @@ -605,7 +605,7 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge _dump_function_deps(pnode, fnode->name, function_code, r_gen_code.fragment_global, added_fragment); r_gen_code.light = function_code[light_name]; } - function = NULL; + function = nullptr; } //code+=dump_node_code(pnode->body,p_level); @@ -798,12 +798,12 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge else code = _mkid(anode->name); - if (anode->call_expression != NULL) { + if (anode->call_expression != nullptr) { code += "."; code += _dump_node_code(anode->call_expression, p_level, r_gen_code, p_actions, p_default_actions, p_assigning); } - if (anode->index_expression != NULL) { + if (anode->index_expression != nullptr) { code += "["; code += _dump_node_code(anode->index_expression, p_level, r_gen_code, p_actions, p_default_actions, p_assigning); code += "]"; @@ -1025,7 +1025,7 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge case SL::Node::TYPE_MEMBER: { SL::MemberNode *mnode = (SL::MemberNode *)p_node; code = _dump_node_code(mnode->owner, p_level, r_gen_code, p_actions, p_default_actions, p_assigning) + "." + mnode->name; - if (mnode->index_expression != NULL) { + if (mnode->index_expression != nullptr) { code += "["; code += _dump_node_code(mnode->index_expression, p_level, r_gen_code, p_actions, p_default_actions, p_assigning); code += "]"; @@ -1048,7 +1048,7 @@ Error ShaderCompilerRD::compile(RS::ShaderMode p_mode, const String &p_code, Ide print_line(itos(i + 1) + " " + shader[i]); } - _err_print_error(NULL, p_path.utf8().get_data(), parser.get_error_line(), parser.get_error_text().utf8().get_data(), ERR_HANDLER_SHADER); + _err_print_error(nullptr, p_path.utf8().get_data(), parser.get_error_line(), parser.get_error_text().utf8().get_data(), ERR_HANDLER_SHADER); return err; } @@ -1066,7 +1066,7 @@ Error ShaderCompilerRD::compile(RS::ShaderMode p_mode, const String &p_code, Ide used_flag_pointers.clear(); shader = parser.get_shader(); - function = NULL; + function = nullptr; _dump_node_code(shader, 1, r_gen_code, *p_actions, actions, false); return OK; diff --git a/servers/rendering/rasterizer_rd/shader_rd.cpp b/servers/rendering/rasterizer_rd/shader_rd.cpp index 3dcfd0faf9..d60a58813e 100644 --- a/servers/rendering/rasterizer_rd/shader_rd.cpp +++ b/servers/rendering/rasterizer_rd/shader_rd.cpp @@ -191,7 +191,7 @@ RID ShaderRD::version_create() { version.dirty = true; version.valid = false; version.initialize_needed = true; - version.variants = NULL; + version.variants = nullptr; return version_owner.make_rid(version); } @@ -203,7 +203,7 @@ void ShaderRD::_clear_version(Version *p_version) { } memdelete_arr(p_version->variants); - p_version->variants = NULL; + p_version->variants = nullptr; } } @@ -394,7 +394,7 @@ void ShaderRD::_compile_version(Version *p_version) { } } memdelete_arr(p_version->variants); - p_version->variants = NULL; + p_version->variants = nullptr; return; } diff --git a/servers/rendering/rasterizer_rd/shaders/SCsub b/servers/rendering/rasterizer_rd/shaders/SCsub index 6e852e2dc5..04a43e3251 100644 --- a/servers/rendering/rasterizer_rd/shaders/SCsub +++ b/servers/rendering/rasterizer_rd/shaders/SCsub @@ -22,3 +22,8 @@ if "RD_GLSL" in env["BUILDERS"]: env.RD_GLSL("ssao_minify.glsl") env.RD_GLSL("ssao_blur.glsl") env.RD_GLSL("roughness_limiter.glsl") + env.RD_GLSL("screen_space_reflection.glsl") + env.RD_GLSL("screen_space_reflection_filter.glsl") + env.RD_GLSL("screen_space_reflection_scale.glsl") + env.RD_GLSL("subsurface_scattering.glsl") + env.RD_GLSL("specular_merge.glsl") diff --git a/servers/rendering/rasterizer_rd/shaders/blur.glsl b/servers/rendering/rasterizer_rd/shaders/blur.glsl index 87c20ebaef..5dfdc614a4 100644 --- a/servers/rendering/rasterizer_rd/shaders/blur.glsl +++ b/servers/rendering/rasterizer_rd/shaders/blur.glsl @@ -285,6 +285,13 @@ void main() { frag_color = color; #endif +#ifdef MODE_LINEARIZE_DEPTH_COPY + float depth = texture(source_color, uv_interp, 0.0).r; + depth = depth * 2.0 - 1.0; + depth = 2.0 * blur.camera_z_near * blur.camera_z_far / (blur.camera_z_far + blur.camera_z_near - depth * (blur.camera_z_far - blur.camera_z_near)); + frag_color = vec4(depth / blur.camera_z_far); +#endif + #ifdef MODE_SSAO_MERGE vec4 color = texture(source_color, uv_interp, 0.0); float ssao = texture(source_ssao, uv_interp, 0.0).r; diff --git a/servers/rendering/rasterizer_rd/shaders/copy.glsl b/servers/rendering/rasterizer_rd/shaders/copy.glsl index cbb9b546a3..2b541f2660 100644 --- a/servers/rendering/rasterizer_rd/shaders/copy.glsl +++ b/servers/rendering/rasterizer_rd/shaders/copy.glsl @@ -57,6 +57,7 @@ void main() { } float depth = texture(source_cube, normal).r; + depth_buffer = depth; // absolute values for direction cosines, bigger value equals closer to basis axis vec3 unorm = abs(normal); @@ -80,7 +81,7 @@ void main() { depth = 2.0 * depth - 1.0; float linear_depth = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - depth * (params.z_far - params.z_near)); - depth_buffer = (linear_depth * depth_fix + params.bias) / params.z_far; + depth_buffer = (linear_depth * depth_fix) / params.z_far; #endif } diff --git a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl index 07f4770b14..70ce8d61e4 100644 --- a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl +++ b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl @@ -244,19 +244,13 @@ VERTEX_SHADER_CODE //for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges - vec3 vtx = vertex_interp + normalize(vertex_interp) * scene_data.z_offset; + vec3 vtx = vertex_interp; float distance = length(vtx); vtx = normalize(vtx); vtx.xy /= 1.0 - vtx.z; vtx.z = (distance / scene_data.z_far); vtx.z = vtx.z * 2.0 - 1.0; - vertex_interp = vtx; -#else - - float z_ofs = scene_data.z_offset; - z_ofs += max(0.0, 1.0 - abs(normalize(normal_interp).z)) * scene_data.z_slope_scale; - vertex_interp.z -= z_ofs; #endif @@ -267,6 +261,14 @@ VERTEX_SHADER_CODE #else gl_Position = projection_matrix * vec4(vertex_interp, 1.0); #endif + +#ifdef MODE_RENDER_DEPTH + if (scene_data.pancake_shadows) { + if (gl_Position.z <= 0.00001) { + gl_Position.z = 0.00001; + } + } +#endif } /* clang-format off */ @@ -315,6 +317,11 @@ layout(location = 8) in float dp_clip; #define world_normal_matrix instances.data[instance_index].normal_transform #define projection_matrix scene_data.projection_matrix +#if defined(ENABLE_SSS) && defined(ENABLE_TRANSMITTANCE) +//both required for transmittance to be enabled +#define LIGHT_TRANSMITTANCE_USED +#endif + #ifdef USE_MATERIAL_UNIFORMS layout(set = 5, binding = 0, std140) uniform MaterialUniforms{ /* clang-format off */ @@ -434,9 +441,16 @@ vec3 F0(float metallic, float specular, vec3 albedo) { return mix(vec3(dielectric), albedo, vec3(metallic)); } -void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, vec3 attenuation, vec3 diffuse_color, float roughness, float metallic, float specular, float specular_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - vec3 transmission, +void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float attenuation, vec3 shadow_attenuation, vec3 diffuse_color, float roughness, float metallic, float specular, float specular_blob_intensity, +#ifdef LIGHT_BACKLIGHT_USED + vec3 backlight, +#endif +#ifdef LIGHT_TRANSMITTANCE_USED + vec4 transmittance_color, + float transmittance_depth, + float transmittance_curve, + float transmittance_boost, + float transmittance_z, #endif #ifdef LIGHT_RIM_USED float rim, float rim_tint, @@ -467,7 +481,7 @@ LIGHT_SHADER_CODE /* clang-format on */ #else - float NdotL = dot(N, L); + float NdotL = min(A + dot(N, L), 1.0); float cNdotL = max(NdotL, 0.0); // clamped NdotL float NdotV = dot(N, V); float cNdotV = max(NdotV, 0.0); @@ -477,11 +491,11 @@ LIGHT_SHADER_CODE #endif #if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_CLEARCOAT_USED) - float cNdotH = max(dot(N, H), 0.0); + float cNdotH = clamp(A + dot(N, H), 0.0, 1.0); #endif #if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_CLEARCOAT_USED) - float cLdotH = max(dot(L, H), 0.0); + float cLdotH = clamp(A + dot(L, H), 0.0, 1.0); #endif if (metallic < 1.0) { @@ -538,16 +552,48 @@ LIGHT_SHADER_CODE diffuse_brdf_NL = cNdotL * (1.0 / M_PI); #endif - diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation; + diffuse_light += light_color * diffuse_color * shadow_attenuation * diffuse_brdf_NL * attenuation; -#if defined(LIGHT_TRANSMISSION_USED) - diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation; +#if defined(LIGHT_BACKLIGHT_USED) + diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * backlight * attenuation; #endif #if defined(LIGHT_RIM_USED) float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0)); diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color; #endif + +#ifdef LIGHT_TRANSMITTANCE_USED + +#ifdef SSS_MODE_SKIN + + { + float scale = 8.25 / transmittance_depth; + float d = scale * abs(transmittance_z); + float dd = -d * d; + vec3 profile = vec3(0.233, 0.455, 0.649) * exp(dd / 0.0064) + + vec3(0.1, 0.336, 0.344) * exp(dd / 0.0484) + + vec3(0.118, 0.198, 0.0) * exp(dd / 0.187) + + vec3(0.113, 0.007, 0.007) * exp(dd / 0.567) + + vec3(0.358, 0.004, 0.0) * exp(dd / 1.99) + + vec3(0.078, 0.0, 0.0) * exp(dd / 7.41); + + diffuse_light += profile * transmittance_color.a * diffuse_color * light_color * clamp(transmittance_boost - NdotL, 0.0, 1.0) * (1.0 / M_PI) * attenuation; + } +#else + + if (transmittance_depth > 0.0) { + float fade = clamp(abs(transmittance_z / transmittance_depth), 0.0, 1.0); + + fade = pow(max(0.0, 1.0 - fade), transmittance_curve); + fade *= clamp(transmittance_boost - NdotL, 0.0, 1.0); + + diffuse_light += diffuse_color * transmittance_color.rgb * light_color * (1.0 / M_PI) * transmittance_color.a * fade * attenuation; + } + +#endif //SSS_MODE_SKIN + +#endif //LIGHT_TRANSMITTANCE_USED } if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely @@ -562,18 +608,18 @@ LIGHT_SHADER_CODE blinn *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); float intensity = blinn; - specular_light += light_color * intensity * specular_blob_intensity * attenuation; + specular_light += light_color * shadow_attenuation * intensity * specular_blob_intensity * attenuation; #elif defined(SPECULAR_PHONG) vec3 R = normalize(-reflect(L, N)); - float cRdotV = max(0.0, dot(R, V)); + float cRdotV = clamp(A + dot(R, V), 0.0, 1.0); float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25; float phong = pow(cRdotV, shininess); phong *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); float intensity = (phong) / max(4.0 * cNdotV * cNdotL, 0.75); - specular_light += light_color * intensity * specular_blob_intensity * attenuation; + specular_light += light_color * shadow_attenuation * intensity * specular_blob_intensity * attenuation; #elif defined(SPECULAR_TOON) @@ -582,7 +628,7 @@ LIGHT_SHADER_CODE float mid = 1.0 - roughness; mid *= mid; float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid; - diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection + diffuse_light += light_color * shadow_attenuation * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection #elif defined(SPECULAR_DISABLED) // none.. @@ -613,7 +659,7 @@ LIGHT_SHADER_CODE vec3 specular_brdf_NL = cNdotL * D * F * G; - specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation; + specular_light += specular_brdf_NL * light_color * shadow_attenuation * specular_blob_intensity * attenuation; #endif #if defined(LIGHT_CLEARCOAT_USED) @@ -627,12 +673,12 @@ LIGHT_SHADER_CODE float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL; - specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation; + specular_light += clearcoat_specular_brdf_NL * light_color * shadow_attenuation * specular_blob_intensity * attenuation; #endif } #ifdef USE_SHADOW_TO_OPACITY - alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0)); + alpha = min(alpha, clamp(1.0 - length(shadow_attenuation * attenuation), 0.0, 1.0)); #endif #endif //defined(USE_LIGHT_SHADER_CODE) @@ -640,53 +686,119 @@ LIGHT_SHADER_CODE #ifndef USE_NO_SHADOWS +const vec2 shadow_poisson_disk[16] = vec2[]( + vec2(-0.94201624, -0.39906216), + vec2(0.94558609, -0.76890725), + vec2(-0.094184101, -0.92938870), + vec2(0.34495938, 0.29387760), + vec2(-0.91588581, 0.45771432), + vec2(-0.81544232, -0.87912464), + vec2(-0.38277543, 0.27676845), + vec2(0.97484398, 0.75648379), + vec2(0.44323325, -0.97511554), + vec2(0.53742981, -0.47373420), + vec2(-0.26496911, -0.41893023), + vec2(0.79197514, 0.19090188), + vec2(-0.24188840, 0.99706507), + vec2(-0.81409955, 0.91437590), + vec2(0.19984126, 0.78641367), + vec2(0.14383161, -0.14100790)); + float sample_shadow(texture2D shadow, vec2 shadow_pixel_size, vec4 coord) { - //todo optimize vec2 pos = coord.xy; float depth = coord.z; -#ifdef SHADOW_MODE_PCF_13 + switch (scene_data.shadow_filter_mode) { + case SHADOW_MODE_NO_FILTER: { + return textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); + }; + case SHADOW_MODE_PCF5: { + float avg = textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0)); + return avg * (1.0 / 5.0); + }; + case SHADOW_MODE_PCF13: { + + float avg = textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0)); + avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0)); + return avg * (1.0 / 13.0); + }; + } - float avg = textureProj(shadow, vec4(pos, depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0)); - return avg * (1.0 / 13.0); -#endif + return 0; +} -#ifdef SHADOW_MODE_PCF_5 +float sample_directional_soft_shadow(texture2D shadow, vec3 pssm_coord, vec2 tex_scale) { - float avg = textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0)); - return avg * (1.0 / 5.0); + //find blocker + float blocker_count = 0.0; + float blocker_average = 0.0; -#endif + mat2 poisson_rotate; -#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13) + { + float r = dot(vec2(gl_FragCoord.xy), vec2(131.234, 583.123)); + float sr = sin(r); + float cr = cos(r); + poisson_rotate = mat2(vec2(cr, -sr), vec2(sr, cr)); + } - return textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); + for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { + vec2 suv = pssm_coord.xy + (poisson_rotate * shadow_poisson_disk[i]) * tex_scale; + float d = textureLod(sampler2D(shadow, material_samplers[SAMPLER_LINEAR_CLAMP]), suv, 0.0).r; + if (d < pssm_coord.z) { + blocker_average += d; + blocker_count += 1.0; + } + } -#endif + if (blocker_count > 0.0) { + + //blockers found, do soft shadow + blocker_average /= blocker_count; + float penumbra = (pssm_coord.z - blocker_average) / blocker_average; + tex_scale *= penumbra; + + float s = 0.0; + for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { + vec2 suv = pssm_coord.xy + (poisson_rotate * shadow_poisson_disk[i]) * tex_scale; + s += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(suv, pssm_coord.z, 1.0)); + } + + return s / float(scene_data.shadow_blocker_count); + + } else { + //no blockers found, so no shadow + return 1.0; + } } #endif //USE_NO_SHADOWS void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 albedo, float roughness, float metallic, float specular, float p_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - vec3 transmission, +#ifdef LIGHT_BACKLIGHT_USED + vec3 backlight, +#endif +#ifdef LIGHT_TRANSMITTANCE_USED + vec4 transmittance_color, + float transmittance_depth, + float transmittance_curve, + float transmittance_boost, #endif #ifdef LIGHT_RIM_USED float rim, float rim_tint, @@ -707,45 +819,203 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a float normalized_distance = light_length * lights.data[idx].inv_radius; vec2 attenuation_energy = unpackHalf2x16(lights.data[idx].attenuation_energy); float omni_attenuation = pow(max(1.0 - normalized_distance, 0.0), attenuation_energy.x); - vec3 light_attenuation = vec3(omni_attenuation); + float light_attenuation = omni_attenuation; + vec3 shadow_attenuation = vec3(1.0); vec4 color_specular = unpackUnorm4x8(lights.data[idx].color_specular); color_specular.rgb *= attenuation_energy.y; + float size_A = 0.0; + + if (lights.data[idx].size > 0.0) { + + float t = lights.data[idx].size / max(0.001, light_length); + size_A = max(0.0, 1.0 - 1 / sqrt(1 + t * t)); + } + +#ifdef LIGHT_TRANSMITTANCE_USED + float transmittance_z = transmittance_depth; //no transmittance by default +#endif #ifndef USE_NO_SHADOWS vec4 shadow_color_enabled = unpackUnorm4x8(lights.data[idx].shadow_color_enabled); if (shadow_color_enabled.w > 0.5) { // there is a shadowmap - vec4 splane = (lights.data[idx].shadow_matrix * vec4(vertex, 1.0)); - float shadow_len = length(splane); - splane = normalize(splane); - vec4 clamp_rect = lights.data[idx].atlas_rect; + vec4 v = vec4(vertex, 1.0); + + vec4 splane = (lights.data[idx].shadow_matrix * v); + float shadow_len = length(splane.xyz); //need to remember shadow len from here + + { + vec3 nofs = normal_interp * lights.data[idx].shadow_normal_bias / lights.data[idx].inv_radius; + nofs *= (1.0 - max(0.0, dot(normalize(light_rel_vec), normalize(normal_interp)))); + v.xyz += nofs; + splane = (lights.data[idx].shadow_matrix * v); + } + + float shadow; + + if (lights.data[idx].soft_shadow_size > 0.0) { + //soft shadow + + //find blocker - if (splane.z >= 0.0) { + float blocker_count = 0.0; + float blocker_average = 0.0; - splane.z += 1.0; + mat2 poisson_rotate; - clamp_rect.y += clamp_rect.w; + { + float r = dot(vec2(gl_FragCoord.xy), vec2(131.234, 583.123)); + float sr = sin(r); + float cr = cos(r); + poisson_rotate = mat2(vec2(cr, -sr), vec2(sr, cr)); + } + + vec3 normal = normalize(splane.xyz); + vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0); + vec3 tangent = normalize(cross(v0, normal)); + vec3 bitangent = normalize(cross(tangent, normal)); + float z_norm = shadow_len * lights.data[idx].inv_radius; + + tangent *= lights.data[idx].soft_shadow_size; + bitangent *= lights.data[idx].soft_shadow_size; + + for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { + vec2 poisson = (poisson_rotate * shadow_poisson_disk[i]); + vec3 pos = splane.xyz + tangent * poisson.x + bitangent * poisson.y; + + pos = normalize(pos); + vec4 uv_rect = lights.data[idx].atlas_rect; + + if (pos.z >= 0.0) { + + pos.z += 1.0; + uv_rect.y += uv_rect.w; + } else { + + pos.z = 1.0 - pos.z; + } + + pos.xy /= pos.z; + + pos.xy = pos.xy * 0.5 + 0.5; + pos.xy = uv_rect.xy + pos.xy * uv_rect.zw; + + float d = textureLod(sampler2D(shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), pos.xy, 0.0).r; + if (d < z_norm) { + blocker_average += d; + blocker_count += 1.0; + } + } + + if (blocker_count > 0.0) { + + //blockers found, do soft shadow + blocker_average /= blocker_count; + float penumbra = (z_norm - blocker_average) / blocker_average; + tangent *= penumbra; + bitangent *= penumbra; + + z_norm -= lights.data[idx].inv_radius * lights.data[idx].shadow_bias; + + shadow = 0.0; + for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { + + vec2 poisson = (poisson_rotate * shadow_poisson_disk[i]); + vec3 pos = splane.xyz + tangent * poisson.x + bitangent * poisson.y; + + pos = normalize(pos); + vec4 uv_rect = lights.data[idx].atlas_rect; + + if (pos.z >= 0.0) { + + pos.z += 1.0; + uv_rect.y += uv_rect.w; + } else { + pos.z = 1.0 - pos.z; + } + + pos.xy /= pos.z; + + pos.xy = pos.xy * 0.5 + 0.5; + pos.xy = uv_rect.xy + pos.xy * uv_rect.zw; + shadow += textureProj(sampler2DShadow(shadow_atlas, shadow_sampler), vec4(pos.xy, z_norm, 1.0)); + } + + shadow /= float(scene_data.shadow_blocker_count); + + } else { + //no blockers found, so no shadow + shadow = 1.0; + } } else { - splane.z = 1.0 - splane.z; + splane.xyz = normalize(splane.xyz); + vec4 clamp_rect = lights.data[idx].atlas_rect; + + if (splane.z >= 0.0) { + + splane.z += 1.0; + + clamp_rect.y += clamp_rect.w; + + } else { + splane.z = 1.0 - splane.z; + } + + splane.xy /= splane.z; + + splane.xy = splane.xy * 0.5 + 0.5; + splane.z = (shadow_len - lights.data[idx].shadow_bias) * lights.data[idx].inv_radius; + splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw; + splane.w = 1.0; //needed? i think it should be 1 already + shadow = sample_shadow(shadow_atlas, scene_data.shadow_atlas_pixel_size, splane); } - splane.xy /= splane.z; - splane.xy = splane.xy * 0.5 + 0.5; - splane.z = shadow_len * lights.data[idx].inv_radius; - splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw; - splane.w = 1.0; //needed? i think it should be 1 already - float shadow = sample_shadow(shadow_atlas, scene_data.shadow_atlas_pixel_size, splane); +#ifdef LIGHT_TRANSMITTANCE_USED + { + + //redo shadowmapping, but shrink the model a bit to avoid arctifacts + splane = (lights.data[idx].shadow_matrix * vec4(vertex - normalize(normal_interp) * lights.data[idx].transmittance_bias, 1.0)); + + shadow_len = length(splane); + splane = normalize(splane); + + if (splane.z >= 0.0) { + + splane.z += 1.0; + + } else { + + splane.z = 1.0 - splane.z; + } + + splane.xy /= splane.z; + splane.xy = splane.xy * 0.5 + 0.5; + splane.z = shadow_len * lights.data[idx].inv_radius; + splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw; + splane.w = 1.0; //needed? i think it should be 1 already + + float shadow_z = textureLod(sampler2D(shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), splane.xy, 0.0).r; + transmittance_z = (splane.z - shadow_z) / lights.data[idx].inv_radius; + } +#endif - light_attenuation *= mix(shadow_color_enabled.rgb, vec3(1.0), shadow); + shadow_attenuation = mix(shadow_color_enabled.rgb, vec3(1.0), shadow); } #endif //USE_NO_SHADOWS - light_compute(normal, normalize(light_rel_vec), eye_vec, color_specular.rgb, light_attenuation, albedo, roughness, metallic, specular, color_specular.a * p_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, + light_compute(normal, normalize(light_rel_vec), eye_vec, size_A, color_specular.rgb, light_attenuation, shadow_attenuation, albedo, roughness, metallic, specular, color_specular.a * p_blob_intensity, +#ifdef LIGHT_BACKLIGHT_USED + backlight, +#endif +#ifdef LIGHT_TRANSMITTANCE_USED + transmittance_color, + transmittance_depth, + transmittance_curve, + transmittance_boost, + transmittance_z, #endif #ifdef LIGHT_RIM_USED rim * omni_attenuation, rim_tint, @@ -764,8 +1034,14 @@ void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a } void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 albedo, float roughness, float metallic, float specular, float p_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - vec3 transmission, +#ifdef LIGHT_BACKLIGHT_USED + vec3 backlight, +#endif +#ifdef LIGHT_TRANSMITTANCE_USED + vec4 transmittance_color, + float transmittance_depth, + float transmittance_curve, + float transmittance_boost, #endif #ifdef LIGHT_RIM_USED float rim, float rim_tint, @@ -792,31 +1068,135 @@ void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 a float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_att_angle.y); float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_att_angle.y)); spot_attenuation *= 1.0 - pow(spot_rim, spot_att_angle.x); - vec3 light_attenuation = vec3(spot_attenuation); + float light_attenuation = spot_attenuation; + vec3 shadow_attenuation = vec3(1.0); vec4 color_specular = unpackUnorm4x8(lights.data[idx].color_specular); color_specular.rgb *= attenuation_energy.y; + float size_A = 0.0; + + if (lights.data[idx].size > 0.0) { + + float t = lights.data[idx].size / max(0.001, light_length); + size_A = max(0.0, 1.0 - 1 / sqrt(1 + t * t)); + } /* if (lights.data[idx].atlas_rect!=vec4(0.0)) { //use projector texture } */ +#ifdef LIGHT_TRANSMITTANCE_USED + float transmittance_z = transmittance_depth; +#endif + #ifndef USE_NO_SHADOWS vec4 shadow_color_enabled = unpackUnorm4x8(lights.data[idx].shadow_color_enabled); if (shadow_color_enabled.w > 0.5) { //there is a shadowmap - vec4 splane = (lights.data[idx].shadow_matrix * vec4(vertex, 1.0)); + vec4 v = vec4(vertex, 1.0); + + v.xyz -= spot_dir * lights.data[idx].shadow_bias; + + float z_norm = dot(spot_dir, -light_rel_vec) * lights.data[idx].inv_radius; + + float depth_bias_scale = 1.0 / (max(0.0001, z_norm)); //the closer to the light origin, the more you have to offset to reach 1px in the map + vec3 normal_bias = normalize(normal_interp) * (1.0 - max(0.0, dot(spot_dir, -normalize(normal_interp)))) * lights.data[idx].shadow_normal_bias * depth_bias_scale; + normal_bias -= spot_dir * dot(spot_dir, normal_bias); //only XY, no Z + v.xyz += normal_bias; + + //adjust with bias + z_norm = dot(spot_dir, v.xyz - lights.data[idx].position) * lights.data[idx].inv_radius; + + float shadow; + + vec4 splane = (lights.data[idx].shadow_matrix * v); splane /= splane.w; - float shadow = sample_shadow(shadow_atlas, scene_data.shadow_atlas_pixel_size, splane); - light_attenuation *= mix(shadow_color_enabled.rgb, vec3(1.0), shadow); + if (lights.data[idx].soft_shadow_size > 0.0) { + //soft shadow + + //find blocker + + float blocker_count = 0.0; + float blocker_average = 0.0; + + mat2 poisson_rotate; + + { + float r = dot(vec2(gl_FragCoord.xy), vec2(131.234, 583.123)); + float sr = sin(r); + float cr = cos(r); + poisson_rotate = mat2(vec2(cr, -sr), vec2(sr, cr)); + } + + float uv_size = lights.data[idx].soft_shadow_size * z_norm; + for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { + vec2 suv = splane.xy + (poisson_rotate * shadow_poisson_disk[i]) * uv_size; + suv = clamp(suv, lights.data[idx].atlas_rect.xy, lights.data[idx].atlas_rect.zw); + float d = textureLod(sampler2D(shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), suv, 0.0).r; + if (d < z_norm) { + blocker_average += d; + blocker_count += 1.0; + } + } + + if (blocker_count > 0.0) { + + //blockers found, do soft shadow + blocker_average /= blocker_count; + float penumbra = (z_norm - blocker_average) / blocker_average; + uv_size *= penumbra; + + shadow = 0.0; + for (uint i = 0; i < scene_data.shadow_blocker_count; i++) { + vec2 suv = splane.xy + (poisson_rotate * shadow_poisson_disk[i]) * uv_size; + suv = clamp(suv, lights.data[idx].atlas_rect.xy, lights.data[idx].atlas_rect.zw); + shadow += textureProj(sampler2DShadow(shadow_atlas, shadow_sampler), vec4(suv, z_norm, 1.0)); + } + + shadow /= float(scene_data.shadow_blocker_count); + + } else { + //no blockers found, so no shadow + shadow = 1.0; + } + + } else { + //hard shadow + splane.z = z_norm; + shadow = sample_shadow(shadow_atlas, scene_data.shadow_atlas_pixel_size, splane); + } + + shadow_attenuation = mix(shadow_color_enabled.rgb, vec3(1.0), shadow); + +#ifdef LIGHT_TRANSMITTANCE_USED + { + + vec4 splane = (lights.data[idx].shadow_matrix * vec4(vertex - normalize(normal_interp) * lights.data[idx].transmittance_bias, 1.0)); + splane /= splane.w; + + float shadow_z = textureLod(sampler2D(shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), splane.xy, 0.0).r; + //reconstruct depth + shadow_z / lights.data[idx].inv_radius; + //distance to light plane + float z = dot(spot_dir, -light_rel_vec); + transmittance_z = z - shadow_z; + } +#endif //LIGHT_TRANSMITTANCE_USED } #endif //USE_NO_SHADOWS - light_compute(normal, normalize(light_rel_vec), eye_vec, color_specular.rgb, light_attenuation, albedo, roughness, metallic, specular, color_specular.a * p_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, + light_compute(normal, normalize(light_rel_vec), eye_vec, size_A, color_specular.rgb, light_attenuation, shadow_attenuation, albedo, roughness, metallic, specular, color_specular.a * p_blob_intensity, +#ifdef LIGHT_BACKLIGHT_USED + backlight, +#endif +#ifdef LIGHT_TRANSMITTANCE_USED + transmittance_color, + transmittance_depth, + transmittance_curve, + transmittance_boost, + transmittance_z, #endif #ifdef LIGHT_RIM_USED rim * spot_attenuation, rim_tint, @@ -1185,7 +1565,11 @@ void main() { vec3 vertex = vertex_interp; vec3 view = -normalize(vertex_interp); vec3 albedo = vec3(1.0); - vec3 transmission = vec3(0.0); + vec3 backlight = vec3(0.0); + vec4 transmittance_color = vec4(0.0); + float transmittance_depth = 0.0; + float transmittance_curve = 1.0; + float transmittance_boost = 0.0; float metallic = 0.0; float specular = 0.5; vec3 emission = vec3(0.0); @@ -1254,6 +1638,14 @@ FRAGMENT_SHADER_CODE /* clang-format on */ } +#if defined(LIGHT_TRANSMITTANCE_USED) +#ifdef SSS_MODE_SKIN + transmittance_color.a = sss_strength; +#else + transmittance_color.a *= sss_strength; +#endif +#endif + #if !defined(USE_SHADOW_TO_OPACITY) #if defined(ALPHA_SCISSOR_USED) @@ -1462,58 +1854,250 @@ FRAGMENT_SHADER_CODE continue; //not masked } - vec3 light_attenuation = vec3(1.0); + vec3 shadow_attenuation = vec3(1.0); + +#ifdef LIGHT_TRANSMITTANCE_USED + float transmittance_z = transmittance_depth; +#endif if (directional_lights.data[i].shadow_enabled) { float depth_z = -vertex.z; vec4 pssm_coord; + vec3 shadow_color = vec3(0.0); + vec3 light_dir = directional_lights.data[i].direction; + +#define BIAS_FUNC(m_var, m_idx) \ + m_var.xyz += light_dir * directional_lights.data[i].shadow_bias[m_idx]; \ + vec3 normal_bias = normalize(normal_interp) * (1.0 - max(0.0, dot(light_dir, -normalize(normal_interp)))) * directional_lights.data[i].shadow_normal_bias[m_idx]; \ + normal_bias -= light_dir * dot(light_dir, normal_bias); \ + m_var.xyz += normal_bias; + + float shadow = 0.0; if (depth_z < directional_lights.data[i].shadow_split_offsets.x) { - pssm_coord = (directional_lights.data[i].shadow_matrix1 * vec4(vertex, 1.0)); + vec4 v = vec4(vertex, 1.0); + + BIAS_FUNC(v, 0) + + pssm_coord = (directional_lights.data[i].shadow_matrix1 * v); + pssm_coord /= pssm_coord.w; + + if (directional_lights.data[i].softshadow_angle > 0) { + float range_pos = dot(directional_lights.data[i].direction, v.xyz); + float range_begin = directional_lights.data[i].shadow_range_begin.x; + float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; + vec2 tex_scale = directional_lights.data[i].uv_scale1 * test_radius; + shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + } else { + shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + } + + shadow_color = directional_lights.data[i].shadow_color1.rgb; + +#ifdef LIGHT_TRANSMITTANCE_USED + { + vec4 trans_vertex = vec4(vertex - normalize(normal_interp) * directional_lights.data[i].shadow_transmittance_bias.x, 1.0); + vec4 trans_coord = directional_lights.data[i].shadow_matrix1 * trans_vertex; + trans_coord /= trans_coord.w; + + float shadow_z = textureLod(sampler2D(directional_shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), trans_coord.xy, 0.0).r; + shadow_z *= directional_lights.data[i].shadow_transmittance_z_scale.x; + float z = trans_coord.z * directional_lights.data[i].shadow_transmittance_z_scale.x; + + transmittance_z = z - shadow_z; + } +#endif } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { - pssm_coord = (directional_lights.data[i].shadow_matrix2 * vec4(vertex, 1.0)); + + vec4 v = vec4(vertex, 1.0); + + BIAS_FUNC(v, 1) + + pssm_coord = (directional_lights.data[i].shadow_matrix2 * v); + pssm_coord /= pssm_coord.w; + + if (directional_lights.data[i].softshadow_angle > 0) { + float range_pos = dot(directional_lights.data[i].direction, v.xyz); + float range_begin = directional_lights.data[i].shadow_range_begin.y; + float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; + vec2 tex_scale = directional_lights.data[i].uv_scale2 * test_radius; + shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + } else { + shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + } + + shadow_color = directional_lights.data[i].shadow_color2.rgb; +#ifdef LIGHT_TRANSMITTANCE_USED + { + vec4 trans_vertex = vec4(vertex - normalize(normal_interp) * directional_lights.data[i].shadow_transmittance_bias.y, 1.0); + vec4 trans_coord = directional_lights.data[i].shadow_matrix2 * trans_vertex; + trans_coord /= trans_coord.w; + + float shadow_z = textureLod(sampler2D(directional_shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), trans_coord.xy, 0.0).r; + shadow_z *= directional_lights.data[i].shadow_transmittance_z_scale.y; + float z = trans_coord.z * directional_lights.data[i].shadow_transmittance_z_scale.y; + + transmittance_z = z - shadow_z; + } +#endif } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { - pssm_coord = (directional_lights.data[i].shadow_matrix3 * vec4(vertex, 1.0)); + + vec4 v = vec4(vertex, 1.0); + + BIAS_FUNC(v, 2) + + pssm_coord = (directional_lights.data[i].shadow_matrix3 * v); + pssm_coord /= pssm_coord.w; + + if (directional_lights.data[i].softshadow_angle > 0) { + float range_pos = dot(directional_lights.data[i].direction, v.xyz); + float range_begin = directional_lights.data[i].shadow_range_begin.z; + float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; + vec2 tex_scale = directional_lights.data[i].uv_scale3 * test_radius; + shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + } else { + shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + } + + shadow_color = directional_lights.data[i].shadow_color3.rgb; +#ifdef LIGHT_TRANSMITTANCE_USED + { + vec4 trans_vertex = vec4(vertex - normalize(normal_interp) * directional_lights.data[i].shadow_transmittance_bias.z, 1.0); + vec4 trans_coord = directional_lights.data[i].shadow_matrix3 * trans_vertex; + trans_coord /= trans_coord.w; + + float shadow_z = textureLod(sampler2D(directional_shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), trans_coord.xy, 0.0).r; + shadow_z *= directional_lights.data[i].shadow_transmittance_z_scale.z; + float z = trans_coord.z * directional_lights.data[i].shadow_transmittance_z_scale.z; + + transmittance_z = z - shadow_z; + } +#endif + } else { - pssm_coord = (directional_lights.data[i].shadow_matrix4 * vec4(vertex, 1.0)); - } - pssm_coord /= pssm_coord.w; + vec4 v = vec4(vertex, 1.0); + + BIAS_FUNC(v, 3) + + pssm_coord = (directional_lights.data[i].shadow_matrix4 * v); + pssm_coord /= pssm_coord.w; + + if (directional_lights.data[i].softshadow_angle > 0) { + float range_pos = dot(directional_lights.data[i].direction, v.xyz); + float range_begin = directional_lights.data[i].shadow_range_begin.w; + float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; + vec2 tex_scale = directional_lights.data[i].uv_scale4 * test_radius; + shadow = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + } else { + shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + } + + shadow_color = directional_lights.data[i].shadow_color4.rgb; + +#ifdef LIGHT_TRANSMITTANCE_USED + { + vec4 trans_vertex = vec4(vertex - normalize(normal_interp) * directional_lights.data[i].shadow_transmittance_bias.w, 1.0); + vec4 trans_coord = directional_lights.data[i].shadow_matrix4 * trans_vertex; + trans_coord /= trans_coord.w; + + float shadow_z = textureLod(sampler2D(directional_shadow_atlas, material_samplers[SAMPLER_LINEAR_CLAMP]), trans_coord.xy, 0.0).r; + shadow_z *= directional_lights.data[i].shadow_transmittance_z_scale.w; + float z = trans_coord.z * directional_lights.data[i].shadow_transmittance_z_scale.w; - float shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + transmittance_z = z - shadow_z; + } +#endif + } if (directional_lights.data[i].blend_splits) { + vec3 shadow_color_blend = vec3(0.0); float pssm_blend; + float shadow2; if (depth_z < directional_lights.data[i].shadow_split_offsets.x) { - pssm_coord = (directional_lights.data[i].shadow_matrix2 * vec4(vertex, 1.0)); + vec4 v = vec4(vertex, 1.0); + BIAS_FUNC(v, 1) + pssm_coord = (directional_lights.data[i].shadow_matrix2 * v); + pssm_coord /= pssm_coord.w; + + if (directional_lights.data[i].softshadow_angle > 0) { + float range_pos = dot(directional_lights.data[i].direction, v.xyz); + float range_begin = directional_lights.data[i].shadow_range_begin.y; + float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; + vec2 tex_scale = directional_lights.data[i].uv_scale2 * test_radius; + shadow2 = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + } else { + shadow2 = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + } + pssm_blend = smoothstep(0.0, directional_lights.data[i].shadow_split_offsets.x, depth_z); + shadow_color_blend = directional_lights.data[i].shadow_color2.rgb; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { - pssm_coord = (directional_lights.data[i].shadow_matrix3 * vec4(vertex, 1.0)); + vec4 v = vec4(vertex, 1.0); + BIAS_FUNC(v, 2) + pssm_coord = (directional_lights.data[i].shadow_matrix3 * v); + pssm_coord /= pssm_coord.w; + + if (directional_lights.data[i].softshadow_angle > 0) { + float range_pos = dot(directional_lights.data[i].direction, v.xyz); + float range_begin = directional_lights.data[i].shadow_range_begin.z; + float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; + vec2 tex_scale = directional_lights.data[i].uv_scale3 * test_radius; + shadow2 = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + } else { + shadow2 = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + } + pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.x, directional_lights.data[i].shadow_split_offsets.y, depth_z); + + shadow_color_blend = directional_lights.data[i].shadow_color3.rgb; } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { - pssm_coord = (directional_lights.data[i].shadow_matrix4 * vec4(vertex, 1.0)); + vec4 v = vec4(vertex, 1.0); + BIAS_FUNC(v, 3) + pssm_coord = (directional_lights.data[i].shadow_matrix4 * v); + pssm_coord /= pssm_coord.w; + if (directional_lights.data[i].softshadow_angle > 0) { + float range_pos = dot(directional_lights.data[i].direction, v.xyz); + float range_begin = directional_lights.data[i].shadow_range_begin.w; + float test_radius = (range_pos - range_begin) * directional_lights.data[i].softshadow_angle; + vec2 tex_scale = directional_lights.data[i].uv_scale4 * test_radius; + shadow2 = sample_directional_soft_shadow(directional_shadow_atlas, pssm_coord.xyz, tex_scale); + } else { + shadow2 = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); + } + pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.y, directional_lights.data[i].shadow_split_offsets.z, depth_z); + shadow_color_blend = directional_lights.data[i].shadow_color4.rgb; } else { pssm_blend = 0.0; //if no blend, same coord will be used (divide by z will result in same value, and already cached) } - pssm_coord /= pssm_coord.w; + pssm_blend = sqrt(pssm_blend); - float shadow2 = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); shadow = mix(shadow, shadow2, pssm_blend); + shadow_color = mix(shadow_color, shadow_color_blend, pssm_blend); } shadow = mix(shadow, 1.0, smoothstep(directional_lights.data[i].fade_from, directional_lights.data[i].fade_to, vertex.z)); //done with negative values for performance - light_attenuation = mix(directional_lights.data[i].shadow_color, vec3(1.0), shadow); + shadow_attenuation = mix(shadow_color, vec3(1.0), shadow); + +#undef BIAS_FUNC } - light_compute(normal, directional_lights.data[i].direction, normalize(view), directional_lights.data[i].color * directional_lights.data[i].energy, light_attenuation, albedo, roughness, metallic, specular, directional_lights.data[i].specular * specular_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, + light_compute(normal, directional_lights.data[i].direction, normalize(view), directional_lights.data[i].size, directional_lights.data[i].color * directional_lights.data[i].energy, 1.0, shadow_attenuation, albedo, roughness, metallic, specular, directional_lights.data[i].specular * specular_blob_intensity, +#ifdef LIGHT_BACKLIGHT_USED + backlight, +#endif +#ifdef LIGHT_TRANSMITTANCE_USED + transmittance_color, + transmittance_depth, + transmittance_curve, + transmittance_boost, + transmittance_z, #endif #ifdef LIGHT_RIM_USED rim, rim_tint, @@ -1546,8 +2130,14 @@ FRAGMENT_SHADER_CODE } light_process_omni(light_index, vertex, view, normal, albedo, roughness, metallic, specular, specular_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, +#ifdef LIGHT_BACKLIGHT_USED + backlight, +#endif +#ifdef LIGHT_TRANSMITTANCE_USED + transmittance_color, + transmittance_depth, + transmittance_curve, + transmittance_boost, #endif #ifdef LIGHT_RIM_USED rim, @@ -1579,8 +2169,14 @@ FRAGMENT_SHADER_CODE } light_process_spot(light_index, vertex, view, normal, albedo, roughness, metallic, specular, specular_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, +#ifdef LIGHT_BACKLIGHT_USED + backlight, +#endif +#ifdef LIGHT_TRANSMITTANCE_USED + transmittance_color, + transmittance_depth, + transmittance_curve, + transmittance_boost, #endif #ifdef LIGHT_RIM_USED rim, @@ -1697,6 +2293,9 @@ FRAGMENT_SHADER_CODE #else +#ifdef SSS_MODE_SKIN + sss_strength = -sss_strength; +#endif diffuse_buffer = vec4(emission + diffuse_light + ambient_light, sss_strength); specular_buffer = vec4(specular_light, metallic); diff --git a/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl b/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl index baef1e060f..59f326bc9b 100644 --- a/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl +++ b/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl @@ -22,6 +22,10 @@ draw_call; #define SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_REPEAT 10 #define SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_REPEAT 11 +#define SHADOW_MODE_NO_FILTER 0 +#define SHADOW_MODE_PCF5 1 +#define SHADOW_MODE_PCF13 2 + layout(set = 0, binding = 1) uniform sampler material_samplers[12]; layout(set = 0, binding = 2) uniform sampler shadow_sampler; @@ -37,13 +41,17 @@ layout(set = 0, binding = 3, std140) uniform SceneData { vec2 viewport_size; vec2 screen_pixel_size; - //used for shadow mapping only - float z_offset; - float z_slope_scale; - float time; float reflection_multiplier; // one normally, zero when rendering reflections + bool pancake_shadows; + uint shadow_filter_mode; + + uint shadow_blocker_count; + uint shadow_pad0; + uint shadow_pad1; + uint shadow_pad2; + vec4 ambient_light_color_energy; float ambient_color_sky_mix; @@ -134,21 +142,27 @@ layout(set = 0, binding = 4, std430) buffer Instances { } instances; -struct LightData { //this structure needs to be 128 bits +struct LightData { //this structure needs to be as packed as possible vec3 position; float inv_radius; vec3 direction; + float size; uint attenuation_energy; //attenuation uint color_specular; //rgb color, a specular (8 bit unorm) uint cone_attenuation_angle; // attenuation and angle, (16bit float) - uint mask; uint shadow_color_enabled; //shadow rgb color, a>0.5 enabled (8bit unorm) - vec4 atlas_rect; //used for shadow atlas uv on omni, and for projection atlas on spot + vec4 atlas_rect; // used for spot mat4 shadow_matrix; + float shadow_bias; + float shadow_normal_bias; + float transmittance_bias; + float soft_shadow_size; // for spot, it's the size in uv coordinates of the light, for omni it's the span angle + uint mask; + uint pad[3]; }; -layout(set = 0, binding = 5, std140) uniform Lights { - LightData data[MAX_LIGHT_DATA_STRUCTS]; +layout(set = 0, binding = 5, std430) buffer Lights { + LightData data[]; } lights; @@ -173,18 +187,33 @@ struct DirectionalLightData { vec3 direction; float energy; vec3 color; + float size; float specular; - vec3 shadow_color; uint mask; + float softshadow_angle; + uint pad1; bool blend_splits; bool shadow_enabled; float fade_from; float fade_to; + vec4 shadow_bias; + vec4 shadow_normal_bias; + vec4 shadow_transmittance_bias; + vec4 shadow_transmittance_z_scale; + vec4 shadow_range_begin; vec4 shadow_split_offsets; mat4 shadow_matrix1; mat4 shadow_matrix2; mat4 shadow_matrix3; mat4 shadow_matrix4; + vec4 shadow_color1; + vec4 shadow_color2; + vec4 shadow_color3; + vec4 shadow_color4; + vec2 uv_scale1; + vec2 uv_scale2; + vec2 uv_scale3; + vec2 uv_scale4; }; layout(set = 0, binding = 7, std140) uniform DirectionalLights { diff --git a/servers/rendering/rasterizer_rd/shaders/screen_space_reflection.glsl b/servers/rendering/rasterizer_rd/shaders/screen_space_reflection.glsl new file mode 100644 index 0000000000..e3c26c9b72 --- /dev/null +++ b/servers/rendering/rasterizer_rd/shaders/screen_space_reflection.glsl @@ -0,0 +1,262 @@ +/* clang-format off */ +[compute] + +#version 450 + +VERSION_DEFINES + + + +layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; + +/* clang-format on */ + +layout(rgba16f, set = 0, binding = 0) uniform restrict readonly image2D source_diffuse; +layout(r32f, set = 0, binding = 1) uniform restrict readonly image2D source_depth; +layout(rgba16f, set = 1, binding = 0) uniform restrict writeonly image2D ssr_image; +#ifdef MODE_ROUGH +layout(r8, set = 1, binding = 1) uniform restrict writeonly image2D blur_radius_image; +#endif +layout(rgba8, set = 2, binding = 0) uniform restrict readonly image2D source_normal; +layout(set = 3, binding = 0) uniform sampler2D source_metallic; +#ifdef MODE_ROUGH +layout(set = 3, binding = 1) uniform sampler2D source_roughness; +#endif + +layout(push_constant, binding = 2, std430) uniform Params { + + vec4 proj_info; + + ivec2 screen_size; + float camera_z_near; + float camera_z_far; + + int num_steps; + float depth_tolerance; + float distance_fade; + float curve_fade_in; + + bool orthogonal; + float filter_mipmap_levels; + bool use_half_res; + uint metallic_mask; + + mat4 projection; +} +params; + +vec2 view_to_screen(vec3 view_pos, out float w) { + vec4 projected = params.projection * vec4(view_pos, 1.0); + projected.xyz /= projected.w; + projected.xy = projected.xy * 0.5 + 0.5; + w = projected.w; + return projected.xy; +} + +#define M_PI 3.14159265359 + +vec3 reconstructCSPosition(vec2 S, float z) { + if (params.orthogonal) { + return vec3((S.xy * params.proj_info.xy + params.proj_info.zw), z); + } else { + return vec3((S.xy * params.proj_info.xy + params.proj_info.zw) * z, z); + } +} + +void main() { + + // Pixel being shaded + ivec2 ssC = ivec2(gl_GlobalInvocationID.xy); + + if (any(greaterThan(ssC, params.screen_size))) { //too large, do nothing + return; + } + + vec2 pixel_size = 1.0 / vec2(params.screen_size); + vec2 uv = vec2(ssC) * pixel_size; + + uv += pixel_size * 0.5; + + float base_depth = imageLoad(source_depth, ssC).r; + + // World space point being shaded + vec3 vertex = reconstructCSPosition(uv * vec2(params.screen_size), base_depth); + + vec3 normal = imageLoad(source_normal, ssC).xyz * 2.0 - 1.0; + normal = normalize(normal); + normal.y = -normal.y; //because this code reads flipped + + vec3 view_dir = normalize(vertex); + vec3 ray_dir = normalize(reflect(view_dir, normal)); + + if (dot(ray_dir, normal) < 0.001) { + imageStore(ssr_image, ssC, vec4(0.0)); + return; + } + //ray_dir = normalize(view_dir - normal * dot(normal,view_dir) * 2.0); + //ray_dir = normalize(vec3(1.0, 1.0, -1.0)); + + //////////////// + + // make ray length and clip it against the near plane (don't want to trace beyond visible) + float ray_len = (vertex.z + ray_dir.z * params.camera_z_far) > -params.camera_z_near ? (-params.camera_z_near - vertex.z) / ray_dir.z : params.camera_z_far; + vec3 ray_end = vertex + ray_dir * ray_len; + + float w_begin; + vec2 vp_line_begin = view_to_screen(vertex, w_begin); + float w_end; + vec2 vp_line_end = view_to_screen(ray_end, w_end); + vec2 vp_line_dir = vp_line_end - vp_line_begin; + + // we need to interpolate w along the ray, to generate perspective correct reflections + w_begin = 1.0 / w_begin; + w_end = 1.0 / w_end; + + float z_begin = vertex.z * w_begin; + float z_end = ray_end.z * w_end; + + vec2 line_begin = vp_line_begin / pixel_size; + vec2 line_dir = vp_line_dir / pixel_size; + float z_dir = z_end - z_begin; + float w_dir = w_end - w_begin; + + // clip the line to the viewport edges + + float scale_max_x = min(1.0, 0.99 * (1.0 - vp_line_begin.x) / max(1e-5, vp_line_dir.x)); + float scale_max_y = min(1.0, 0.99 * (1.0 - vp_line_begin.y) / max(1e-5, vp_line_dir.y)); + float scale_min_x = min(1.0, 0.99 * vp_line_begin.x / max(1e-5, -vp_line_dir.x)); + float scale_min_y = min(1.0, 0.99 * vp_line_begin.y / max(1e-5, -vp_line_dir.y)); + float line_clip = min(scale_max_x, scale_max_y) * min(scale_min_x, scale_min_y); + line_dir *= line_clip; + z_dir *= line_clip; + w_dir *= line_clip; + + // clip z and w advance to line advance + vec2 line_advance = normalize(line_dir); // down to pixel + float step_size = length(line_advance) / length(line_dir); + float z_advance = z_dir * step_size; // adapt z advance to line advance + float w_advance = w_dir * step_size; // adapt w advance to line advance + + // make line advance faster if direction is closer to pixel edges (this avoids sampling the same pixel twice) + float advance_angle_adj = 1.0 / max(abs(line_advance.x), abs(line_advance.y)); + line_advance *= advance_angle_adj; // adapt z advance to line advance + z_advance *= advance_angle_adj; + w_advance *= advance_angle_adj; + + vec2 pos = line_begin; + float z = z_begin; + float w = w_begin; + float z_from = z / w; + float z_to = z_from; + float depth; + vec2 prev_pos = pos; + + bool found = false; + + float steps_taken = 0.0; + + for (int i = 0; i < params.num_steps; i++) { + + pos += line_advance; + z += z_advance; + w += w_advance; + + // convert to linear depth + + depth = imageLoad(source_depth, ivec2(pos - 0.5)).r; + + if (-depth >= params.camera_z_far) { //went beyond camera + break; + } + + z_from = z_to; + z_to = z / w; + + if (depth > z_to) { + // if depth was surpassed + if (depth <= max(z_to, z_from) + params.depth_tolerance) { + // check the depth tolerance + //check that normal is valid + found = true; + } + break; + } + + steps_taken += 1.0; + prev_pos = pos; + } + + if (found) { + + float margin_blend = 1.0; + + vec2 margin = vec2((params.screen_size.x + params.screen_size.y) * 0.5 * 0.05); // make a uniform margin + if (any(bvec4(lessThan(pos, -margin), greaterThan(pos, params.screen_size + margin)))) { + // clip outside screen + margin + imageStore(ssr_image, ssC, vec4(0.0)); + return; + } + + { + //blend fading out towards external margin + vec2 margin_grad = mix(pos - params.screen_size, -pos, lessThan(pos, vec2(0.0))); + margin_blend = 1.0 - smoothstep(0.0, margin.x, max(margin_grad.x, margin_grad.y)); + //margin_blend = 1.0; + } + + vec2 final_pos; + float grad; + grad = steps_taken / float(params.num_steps); + float initial_fade = params.curve_fade_in == 0.0 ? 1.0 : pow(clamp(grad, 0.0, 1.0), params.curve_fade_in); + float fade = pow(clamp(1.0 - grad, 0.0, 1.0), params.distance_fade) * initial_fade; + final_pos = pos; + + vec4 final_color; + +#ifdef MODE_ROUGH + + // if roughness is enabled, do screen space cone tracing + float blur_radius = 0.0; + float roughness = texelFetch(source_roughness, ssC << 1, 0).r; + + if (roughness > 0.001) { + + float cone_angle = min(roughness, 0.999) * M_PI * 0.5; + float cone_len = length(final_pos - line_begin); + float op_len = 2.0 * tan(cone_angle) * cone_len; // opposite side of iso triangle + { + // fit to sphere inside cone (sphere ends at end of cone), something like this: + // ___ + // \O/ + // V + // + // as it avoids bleeding from beyond the reflection as much as possible. As a plus + // it also makes the rough reflection more elongated. + float a = op_len; + float h = cone_len; + float a2 = a * a; + float fh2 = 4.0f * h * h; + blur_radius = (a * (sqrt(a2 + fh2) - a)) / (4.0f * h); + } + } + + final_color = imageLoad(source_diffuse, ivec2((final_pos - 0.5) * pixel_size)); + + imageStore(blur_radius_image, ssC, vec4(blur_radius / 255.0)); //stored in r8 + +#endif + + final_color = vec4(imageLoad(source_diffuse, ivec2(final_pos - 0.5)).rgb, fade * margin_blend); + //change blend by metallic + vec4 metallic_mask = unpackUnorm4x8(params.metallic_mask); + final_color.a *= dot(metallic_mask, texelFetch(source_metallic, ssC << 1, 0)); + + imageStore(ssr_image, ssC, final_color); + + } else { +#ifdef MODE_ROUGH + imageStore(blur_radius_image, ssC, vec4(0.0)); +#endif + imageStore(ssr_image, ssC, vec4(0.0)); + } +} diff --git a/servers/rendering/rasterizer_rd/shaders/screen_space_reflection_filter.glsl b/servers/rendering/rasterizer_rd/shaders/screen_space_reflection_filter.glsl new file mode 100644 index 0000000000..1a5dd5ab55 --- /dev/null +++ b/servers/rendering/rasterizer_rd/shaders/screen_space_reflection_filter.glsl @@ -0,0 +1,164 @@ +/* clang-format off */ +[compute] + +#version 450 + +VERSION_DEFINES + + + +layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; + +/* clang-format on */ + +layout(rgba16f, set = 0, binding = 0) uniform restrict readonly image2D source_ssr; +layout(r8, set = 0, binding = 1) uniform restrict readonly image2D source_radius; +layout(rgba8, set = 1, binding = 0) uniform restrict readonly image2D source_normal; + +layout(rgba16f, set = 2, binding = 0) uniform restrict writeonly image2D dest_ssr; +#ifndef VERTICAL_PASS +layout(r8, set = 2, binding = 1) uniform restrict writeonly image2D dest_radius; +#endif +layout(r32f, set = 3, binding = 0) uniform restrict readonly image2D source_depth; + +layout(push_constant, binding = 2, std430) uniform Params { + + vec4 proj_info; + + bool orthogonal; + float edge_tolerance; + int increment; + uint pad; + + ivec2 screen_size; + bool vertical; + uint steps; +} +params; + +#define GAUSS_TABLE_SIZE 15 + +const float gauss_table[GAUSS_TABLE_SIZE + 1] = float[]( + 0.1847392078702266, + 0.16595854345772326, + 0.12031364177766891, + 0.07038755277896766, + 0.03322925565155569, + 0.012657819729901945, + 0.0038903040680094217, + 0.0009646503390864025, + 0.00019297087402915717, + 0.000031139936308099136, + 0.000004053309048174758, + 4.255228059965837e-7, + 3.602517634249573e-8, + 2.4592560765896795e-9, + 1.3534945386863618e-10, + 0.0 //one more for interpolation +); + +float gauss_weight(float p_val) { + + float idxf; + float c = modf(max(0.0, p_val * float(GAUSS_TABLE_SIZE)), idxf); + int idx = int(idxf); + if (idx >= GAUSS_TABLE_SIZE + 1) { + return 0.0; + } + + return mix(gauss_table[idx], gauss_table[idx + 1], c); +} + +#define M_PI 3.14159265359 + +vec3 reconstructCSPosition(vec2 S, float z) { + if (params.orthogonal) { + return vec3((S.xy * params.proj_info.xy + params.proj_info.zw), z); + } else { + return vec3((S.xy * params.proj_info.xy + params.proj_info.zw) * z, z); + } +} + +void do_filter(inout vec4 accum, inout float accum_radius, inout float divisor, ivec2 texcoord, ivec2 increment, vec3 p_pos, vec3 normal, float p_limit_radius) { + + for (int i = 1; i < params.steps; i++) { + float d = float(i * params.increment); + ivec2 tc = texcoord + increment * i; + float depth = imageLoad(source_depth, tc).r; + vec3 view_pos = reconstructCSPosition(vec2(tc) + 0.5, depth); + vec3 view_normal = normalize(imageLoad(source_normal, tc).rgb * 2.0 - 1.0); + view_normal.y = -view_normal.y; + + float r = imageLoad(source_radius, tc).r; + float radius = round(r * 255.0); + + float angle_n = 1.0 - abs(dot(normal, view_normal)); + if (angle_n > params.edge_tolerance) { + break; + } + + float angle = abs(dot(normal, normalize(view_pos - p_pos))); + + if (angle > params.edge_tolerance) { + break; + } + + if (d < radius) { + + float w = gauss_weight(d / radius); + accum += imageLoad(source_ssr, tc) * w; +#ifndef VERTICAL_PASS + accum_radius += r * w; +#endif + divisor += w; + } + } +} + +void main() { + + // Pixel being shaded + ivec2 ssC = ivec2(gl_GlobalInvocationID.xy); + + if (any(greaterThan(ssC, params.screen_size))) { //too large, do nothing + return; + } + + float base_contrib = gauss_table[0]; + + vec4 accum = imageLoad(source_ssr, ssC); + + float accum_radius = imageLoad(source_radius, ssC).r; + float radius = accum_radius * 255.0; + + float divisor = gauss_table[0]; + accum *= divisor; + accum_radius *= divisor; +#ifdef VERTICAL_PASS + ivec2 direction = ivec2(0, params.increment); +#else + ivec2 direction = ivec2(params.increment, 0); +#endif + float depth = imageLoad(source_depth, ssC).r; + vec3 pos = reconstructCSPosition(vec2(ssC) + 0.5, depth); + vec3 normal = imageLoad(source_normal, ssC).xyz * 2.0 - 1.0; + normal = normalize(normal); + normal.y = -normal.y; + + do_filter(accum, accum_radius, divisor, ssC, direction, pos, normal, radius); + do_filter(accum, accum_radius, divisor, ssC, -direction, pos, normal, radius); + + if (divisor > 0.0) { + accum /= divisor; + accum_radius /= divisor; + } else { + accum = vec4(0.0); + accum_radius = 0.0; + } + + imageStore(dest_ssr, ssC, accum); + +#ifndef VERTICAL_PASS + imageStore(dest_radius, ssC, vec4(accum_radius)); +#endif +} diff --git a/servers/rendering/rasterizer_rd/shaders/screen_space_reflection_scale.glsl b/servers/rendering/rasterizer_rd/shaders/screen_space_reflection_scale.glsl new file mode 100644 index 0000000000..cec6c14c76 --- /dev/null +++ b/servers/rendering/rasterizer_rd/shaders/screen_space_reflection_scale.glsl @@ -0,0 +1,96 @@ +/* clang-format off */ +[compute] + +#version 450 + +VERSION_DEFINES + + +layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; + +/* clang-format on */ + +layout(set = 0, binding = 0) uniform sampler2D source_ssr; +layout(set = 1, binding = 0) uniform sampler2D source_depth; +layout(set = 1, binding = 1) uniform sampler2D source_normal; +layout(rgba16f, set = 2, binding = 0) uniform restrict writeonly image2D dest_ssr; +layout(r32f, set = 3, binding = 0) uniform restrict writeonly image2D dest_depth; +layout(rgba8, set = 3, binding = 1) uniform restrict writeonly image2D dest_normal; + +layout(push_constant, binding = 1, std430) uniform Params { + + ivec2 screen_size; + float camera_z_near; + float camera_z_far; + + bool orthogonal; + bool filtered; + uint pad[2]; +} +params; + +void main() { + + // Pixel being shaded + ivec2 ssC = ivec2(gl_GlobalInvocationID.xy); + + if (any(greaterThan(ssC, params.screen_size))) { //too large, do nothing + return; + } + //do not filter, SSR will generate arctifacts if this is done + + float divisor = 0.0; + vec4 color; + float depth; + vec3 normal; + + if (params.filtered) { + + color = vec4(0.0); + depth = 0.0; + normal = vec3(0.0); + + for (int i = 0; i < 4; i++) { + + ivec2 ofs = ssC << 1; + if (bool(i & 1)) { + ofs.x += 1; + } + if (bool(i & 2)) { + ofs.y += 1; + } + color += texelFetch(source_ssr, ofs, 0); + float d = texelFetch(source_depth, ofs, 0).r; + normal += texelFetch(source_normal, ofs, 0).xyz * 2.0 - 1.0; + + d = d * 2.0 - 1.0; + if (params.orthogonal) { + d = ((d + (params.camera_z_far + params.camera_z_near) / (params.camera_z_far - params.camera_z_near)) * (params.camera_z_far - params.camera_z_near)) / 2.0; + } else { + d = 2.0 * params.camera_z_near * params.camera_z_far / (params.camera_z_far + params.camera_z_near - d * (params.camera_z_far - params.camera_z_near)); + } + depth += -d; + } + + color /= 4.0; + depth /= 4.0; + normal = normalize(normal / 4.0) * 0.5 + 0.5; + + } else { + color = texelFetch(source_ssr, ssC << 1, 0); + depth = texelFetch(source_depth, ssC << 1, 0).r; + normal = texelFetch(source_normal, ssC << 1, 0).xyz; + + depth = depth * 2.0 - 1.0; + if (params.orthogonal) { + depth = ((depth + (params.camera_z_far + params.camera_z_near) / (params.camera_z_far - params.camera_z_near)) * (params.camera_z_far - params.camera_z_near)) / 2.0; + } else { + depth = 2.0 * params.camera_z_near * params.camera_z_far / (params.camera_z_far + params.camera_z_near - depth * (params.camera_z_far - params.camera_z_near)); + } + depth = -depth; + } + + imageStore(dest_ssr, ssC, color); + imageStore(dest_depth, ssC, vec4(depth)); + imageStore(dest_normal, ssC, vec4(normal, 0.0)); +} diff --git a/servers/rendering/rasterizer_rd/shaders/sky.glsl b/servers/rendering/rasterizer_rd/shaders/sky.glsl index 3f433eb2ee..469925839a 100644 --- a/servers/rendering/rasterizer_rd/shaders/sky.glsl +++ b/servers/rendering/rasterizer_rd/shaders/sky.glsl @@ -141,15 +141,15 @@ void main() { vec4 quarter_res_color = vec4(1.0); #ifdef USE_CUBEMAP_PASS - float using_cubemap = 1.0; + vec3 inverted_cube_normal = cube_normal; + inverted_cube_normal.z *= -1.0; #ifdef USES_HALF_RES_COLOR - half_res_color = texture(samplerCube(half_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), cube_normal); + half_res_color = texture(samplerCube(half_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), inverted_cube_normal); #endif #ifdef USES_QUARTER_RES_COLOR - quarter_res_color = texture(samplerCube(quarter_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), cube_normal); + quarter_res_color = texture(samplerCube(quarter_res, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), inverted_cube_normal); #endif #else - float using_cubemap = 0.0; #ifdef USES_HALF_RES_COLOR half_res_color = textureLod(sampler2D(half_res, material_samplers[SAMPLER_LINEAR_CLAMP]), uv, 0.0); #endif diff --git a/servers/rendering/rasterizer_rd/shaders/specular_merge.glsl b/servers/rendering/rasterizer_rd/shaders/specular_merge.glsl new file mode 100644 index 0000000000..b28250318e --- /dev/null +++ b/servers/rendering/rasterizer_rd/shaders/specular_merge.glsl @@ -0,0 +1,59 @@ +/* clang-format off */ +[vertex] + +#version 450 + +VERSION_DEFINES + +layout(location = 0) out vec2 uv_interp; +/* clang-format on */ + +void main() { + + vec2 base_arr[4] = vec2[](vec2(0.0, 0.0), vec2(0.0, 1.0), vec2(1.0, 1.0), vec2(1.0, 0.0)); + uv_interp = base_arr[gl_VertexIndex]; + + gl_Position = vec4(uv_interp * 2.0 - 1.0, 0.0, 1.0); +} + +/* clang-format off */ +[fragment] + +#version 450 + +VERSION_DEFINES + +layout(location = 0) in vec2 uv_interp; +/* clang-format on */ + +layout(set = 0, binding = 0) uniform sampler2D specular; + +#ifdef MODE_SSR + +layout(set = 1, binding = 0) uniform sampler2D ssr; + +#endif + +#ifdef MODE_MERGE + +layout(set = 2, binding = 0) uniform sampler2D diffuse; + +#endif + +layout(location = 0) out vec4 frag_color; + +void main() { + + frag_color.rgb = texture(specular, uv_interp).rgb; + frag_color.a = 0.0; +#ifdef MODE_SSR + + vec4 ssr = texture(ssr, uv_interp); + frag_color.rgb = mix(frag_color.rgb, ssr.rgb, ssr.a); +#endif + +#ifdef MODE_MERGE + frag_color += texture(diffuse, uv_interp); +#endif + //added using additive blend +} diff --git a/servers/rendering/rasterizer_rd/shaders/subsurface_scattering.glsl b/servers/rendering/rasterizer_rd/shaders/subsurface_scattering.glsl new file mode 100644 index 0000000000..41f8fde3ca --- /dev/null +++ b/servers/rendering/rasterizer_rd/shaders/subsurface_scattering.glsl @@ -0,0 +1,198 @@ +/* clang-format off */ +[compute] + +#version 450 + +VERSION_DEFINES + + + +layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; + +/* clang-format on */ + +#ifdef USE_25_SAMPLES +const int kernel_size = 13; + +const vec2 kernel[kernel_size] = vec2[]( + vec2(0.530605, 0.0), + vec2(0.0211412, 0.0208333), + vec2(0.0402784, 0.0833333), + vec2(0.0493588, 0.1875), + vec2(0.0410172, 0.333333), + vec2(0.0263642, 0.520833), + vec2(0.017924, 0.75), + vec2(0.0128496, 1.02083), + vec2(0.0094389, 1.33333), + vec2(0.00700976, 1.6875), + vec2(0.00500364, 2.08333), + vec2(0.00333804, 2.52083), + vec2(0.000973794, 3.0)); + +const vec4 skin_kernel[kernel_size] = vec4[]( + vec4(0.530605, 0.613514, 0.739601, 0), + vec4(0.0211412, 0.0459286, 0.0378196, 0.0208333), + vec4(0.0402784, 0.0657244, 0.04631, 0.0833333), + vec4(0.0493588, 0.0367726, 0.0219485, 0.1875), + vec4(0.0410172, 0.0199899, 0.0118481, 0.333333), + vec4(0.0263642, 0.0119715, 0.00684598, 0.520833), + vec4(0.017924, 0.00711691, 0.00347194, 0.75), + vec4(0.0128496, 0.00356329, 0.00132016, 1.02083), + vec4(0.0094389, 0.00139119, 0.000416598, 1.33333), + vec4(0.00700976, 0.00049366, 0.000151938, 1.6875), + vec4(0.00500364, 0.00020094, 5.28848e-005, 2.08333), + vec4(0.00333804, 7.85443e-005, 1.2945e-005, 2.52083), + vec4(0.000973794, 1.11862e-005, 9.43437e-007, 3)); + +#endif //USE_25_SAMPLES + +#ifdef USE_17_SAMPLES +const int kernel_size = 9; +const vec2 kernel[kernel_size] = vec2[]( + vec2(0.536343, 0.0), + vec2(0.0324462, 0.03125), + vec2(0.0582416, 0.125), + vec2(0.0571056, 0.28125), + vec2(0.0347317, 0.5), + vec2(0.0216301, 0.78125), + vec2(0.0144609, 1.125), + vec2(0.0100386, 1.53125), + vec2(0.00317394, 2.0)); + +const vec4 skin_kernel[kernel_size] = vec4[]( + vec4(0.536343, 0.624624, 0.748867, 0), + vec4(0.0324462, 0.0656718, 0.0532821, 0.03125), + vec4(0.0582416, 0.0659959, 0.0411329, 0.125), + vec4(0.0571056, 0.0287432, 0.0172844, 0.28125), + vec4(0.0347317, 0.0151085, 0.00871983, 0.5), + vec4(0.0216301, 0.00794618, 0.00376991, 0.78125), + vec4(0.0144609, 0.00317269, 0.00106399, 1.125), + vec4(0.0100386, 0.000914679, 0.000275702, 1.53125), + vec4(0.00317394, 0.000134823, 3.77269e-005, 2)); +#endif //USE_17_SAMPLES + +#ifdef USE_11_SAMPLES +const int kernel_size = 6; +const vec2 kernel[kernel_size] = vec2[]( + vec2(0.560479, 0.0), + vec2(0.0771802, 0.08), + vec2(0.0821904, 0.32), + vec2(0.03639, 0.72), + vec2(0.0192831, 1.28), + vec2(0.00471691, 2.0)); + +const vec4 skin_kernel[kernel_size] = vec4[]( + + vec4(0.560479, 0.669086, 0.784728, 0), + vec4(0.0771802, 0.113491, 0.0793803, 0.08), + vec4(0.0821904, 0.0358608, 0.0209261, 0.32), + vec4(0.03639, 0.0130999, 0.00643685, 0.72), + vec4(0.0192831, 0.00282018, 0.00084214, 1.28), + vec4(0.00471691, 0.000184771, 5.07565e-005, 2)); + +#endif //USE_11_SAMPLES + +layout(push_constant, binding = 1, std430) uniform Params { + + ivec2 screen_size; + float camera_z_far; + float camera_z_near; + + bool vertical; + bool orthogonal; + float unit_size; + float scale; + + float depth_scale; + uint pad[3]; +} +params; + +layout(set = 0, binding = 0) uniform sampler2D source_image; +layout(rgba16f, set = 1, binding = 0) uniform restrict writeonly image2D dest_image; +layout(set = 2, binding = 0) uniform sampler2D source_depth; + +void do_filter(inout vec3 color_accum, inout vec3 divisor, vec2 uv, vec2 step, bool p_skin) { + + // Accumulate the other samples: + for (int i = 1; i < kernel_size; i++) { + // Fetch color and depth for current sample: + vec2 offset = uv + kernel[i].y * step; + vec4 color = texture(source_image, offset); + + if (abs(color.a) < 0.001) { + break; //mix no more + } + + vec3 w; + if (p_skin) { + //skin + w = skin_kernel[i].rgb; + } else { + w = vec3(kernel[i].x); + } + + color_accum += color.rgb * w; + divisor += w; + } +} + +void main() { + + // Pixel being shaded + ivec2 ssC = ivec2(gl_GlobalInvocationID.xy); + + if (any(greaterThan(ssC, params.screen_size))) { //too large, do nothing + return; + } + + vec2 uv = (vec2(ssC) + 0.5) / vec2(params.screen_size); + + // Fetch color of current pixel: + vec4 base_color = texture(source_image, uv); + float strength = abs(base_color.a); + + if (strength > 0.0) { + + vec2 dir = params.vertical ? vec2(0.0, 1.0) : vec2(1.0, 0.0); + + // Fetch linear depth of current pixel: + float depth = texture(source_depth, uv).r * 2.0 - 1.0; + float depth_scale; + + if (params.orthogonal) { + depth = ((depth + (params.camera_z_far + params.camera_z_near) / (params.camera_z_far - params.camera_z_near)) * (params.camera_z_far - params.camera_z_near)) / 2.0; + depth_scale = params.unit_size; //remember depth is negative by default in OpenGL + } else { + depth = 2.0 * params.camera_z_near * params.camera_z_far / (params.camera_z_far + params.camera_z_near - depth * (params.camera_z_far - params.camera_z_near)); + depth_scale = params.unit_size / depth; //remember depth is negative by default in OpenGL + } + + float scale = mix(params.scale, depth_scale, params.depth_scale); + + // Calculate the final step to fetch the surrounding pixels: + vec2 step = scale * dir; + step *= strength; + step /= 3.0; + // Accumulate the center sample: + + vec3 divisor; + bool skin = bool(base_color.a < 0.0); + + if (skin) { + //skin + divisor = skin_kernel[0].rgb; + } else { + divisor = vec3(kernel[0].x); + } + + vec3 color = base_color.rgb * divisor; + + do_filter(color, divisor, uv, step, skin); + do_filter(color, divisor, uv, -step, skin); + + base_color.rgb = color / divisor; + } + + imageStore(dest_image, ssC, base_color); +} |