diff options
Diffstat (limited to 'servers/rendering/rasterizer_rd')
19 files changed, 510 insertions, 160 deletions
diff --git a/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.cpp index da30291353..5d9e68f2b4 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.cpp @@ -29,8 +29,8 @@ /*************************************************************************/ #include "rasterizer_canvas_rd.h" +#include "core/config/project_settings.h" #include "core/math/math_funcs.h" -#include "core/project_settings.h" #include "rasterizer_rd.h" void RasterizerCanvasRD::_update_transform_2d_to_mat4(const Transform2D &p_transform, float *p_mat4) { @@ -328,7 +328,7 @@ void RasterizerCanvasRD::_bind_canvas_texture(RD::DrawListID p_draw_list, RID p_ bool use_normal; bool use_specular; - bool success = storage->canvas_texture_get_unifom_set(p_texture, p_base_filter, p_base_repeat, shader.default_version_rd_shader, CANVAS_TEXTURE_UNIFORM_SET, uniform_set, size, specular_shininess, use_normal, use_specular); + bool success = storage->canvas_texture_get_uniform_set(p_texture, p_base_filter, p_base_repeat, shader.default_version_rd_shader, CANVAS_TEXTURE_UNIFORM_SET, uniform_set, size, specular_shininess, use_normal, use_specular); //something odd happened if (!success) { _bind_canvas_texture(p_draw_list, default_canvas_texture, p_base_filter, p_base_repeat, r_last_texture, push_constant, r_texpixel_size); @@ -416,10 +416,6 @@ void RasterizerCanvasRD::_render_item(RD::DrawListID p_draw_list, const Item *p_ light_count++; - if (light->mode == RS::CANVAS_LIGHT_MODE_MASK) { - base_flags |= FLAGS_USING_LIGHT_MASK; - } - if (light_count == MAX_LIGHTS_PER_ITEM) { break; } @@ -430,7 +426,7 @@ void RasterizerCanvasRD::_render_item(RD::DrawListID p_draw_list, const Item *p_ base_flags |= light_count << FLAGS_LIGHT_COUNT_SHIFT; } - light_mode = light_count > 0 ? PIPELINE_LIGHT_MODE_ENABLED : PIPELINE_LIGHT_MODE_DISABLED; + light_mode = (light_count > 0 || using_directional_lights) ? PIPELINE_LIGHT_MODE_ENABLED : PIPELINE_LIGHT_MODE_DISABLED; PipelineVariants *pipeline_variants = p_pipeline_variants; @@ -1194,51 +1190,83 @@ void RasterizerCanvasRD::_render_items(RID p_to_render_target, int p_item_count, RD::get_singleton()->draw_list_end(); } -void RasterizerCanvasRD::canvas_render_items(RID p_to_render_target, Item *p_item_list, const Color &p_modulate, Light *p_light_list, const Transform2D &p_canvas_transform, RenderingServer::CanvasItemTextureFilter p_default_filter, RenderingServer::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_vertices_to_pixel) { +void RasterizerCanvasRD::canvas_render_items(RID p_to_render_target, Item *p_item_list, const Color &p_modulate, Light *p_light_list, Light *p_directional_light_list, const Transform2D &p_canvas_transform, RenderingServer::CanvasItemTextureFilter p_default_filter, RenderingServer::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_vertices_to_pixel) { int item_count = 0; //setup canvas state uniforms if needed Transform2D canvas_transform_inverse = p_canvas_transform.affine_inverse(); + //setup directional lights if exist + + uint32_t light_count = 0; + uint32_t directional_light_count = 0; { - //update canvas state uniform buffer - State::Buffer state_buffer; + Light *l = p_directional_light_list; + uint32_t index = 0; - Size2i ssize = storage->render_target_get_size(p_to_render_target); + while (l) { + if (index == state.max_lights_per_render) { + l->render_index_cache = -1; + l = l->next_ptr; + continue; + } - Transform screen_transform; - screen_transform.translate(-(ssize.width / 2.0f), -(ssize.height / 2.0f), 0.0f); - screen_transform.scale(Vector3(2.0f / ssize.width, 2.0f / ssize.height, 1.0f)); - _update_transform_to_mat4(screen_transform, state_buffer.screen_transform); - _update_transform_2d_to_mat4(p_canvas_transform, state_buffer.canvas_transform); + CanvasLight *clight = canvas_light_owner.getornull(l->light_internal); + if (!clight) { //unused or invalid texture + l->render_index_cache = -1; + l = l->next_ptr; + ERR_CONTINUE(!clight); + } - Transform2D normal_transform = p_canvas_transform; - normal_transform.elements[0].normalize(); - normal_transform.elements[1].normalize(); - normal_transform.elements[2] = Vector2(); - _update_transform_2d_to_mat4(normal_transform, state_buffer.canvas_normal_transform); + Vector2 canvas_light_dir = l->xform_cache.elements[1].normalized(); - state_buffer.canvas_modulate[0] = p_modulate.r; - state_buffer.canvas_modulate[1] = p_modulate.g; - state_buffer.canvas_modulate[2] = p_modulate.b; - state_buffer.canvas_modulate[3] = p_modulate.a; + state.light_uniforms[index].position[0] = -canvas_light_dir.x; + state.light_uniforms[index].position[1] = -canvas_light_dir.y; - Size2 render_target_size = storage->render_target_get_size(p_to_render_target); - state_buffer.screen_pixel_size[0] = 1.0 / render_target_size.x; - state_buffer.screen_pixel_size[1] = 1.0 / render_target_size.y; + _update_transform_2d_to_mat2x4(clight->shadow.directional_xform, state.light_uniforms[index].shadow_matrix); - state_buffer.time = state.time; - state_buffer.use_pixel_snap = p_snap_2d_vertices_to_pixel; + state.light_uniforms[index].height = l->height; //0..1 here - RD::get_singleton()->buffer_update(state.canvas_state_buffer, 0, sizeof(State::Buffer), &state_buffer, true); + for (int i = 0; i < 4; i++) { + state.light_uniforms[index].shadow_color[i] = uint8_t(CLAMP(int32_t(l->shadow_color[i] * 255.0), 0, 255)); + state.light_uniforms[index].color[i] = l->color[i]; + } + + state.light_uniforms[index].color[3] = l->energy; //use alpha for energy, so base color can go separate + + if (state.shadow_fb.is_valid()) { + state.light_uniforms[index].shadow_pixel_size = (1.0 / state.shadow_texture_size) * (1.0 + l->shadow_smooth); + state.light_uniforms[index].shadow_z_far_inv = 1.0 / clight->shadow.z_far; + state.light_uniforms[index].shadow_y_ofs = clight->shadow.y_offset; + } else { + state.light_uniforms[index].shadow_pixel_size = 1.0; + state.light_uniforms[index].shadow_z_far_inv = 1.0; + state.light_uniforms[index].shadow_y_ofs = 0; + } + + state.light_uniforms[index].flags = l->blend_mode << LIGHT_FLAGS_BLEND_SHIFT; + state.light_uniforms[index].flags |= l->shadow_filter << LIGHT_FLAGS_FILTER_SHIFT; + if (clight->shadow.enabled) { + state.light_uniforms[index].flags |= LIGHT_FLAGS_HAS_SHADOW; + } + + l->render_index_cache = index; + + index++; + l = l->next_ptr; + } + + light_count = index; + directional_light_count = light_count; + using_directional_lights = directional_light_count > 0; } //setup lights if exist { Light *l = p_light_list; - uint32_t index = 0; + uint32_t index = light_count; while (l) { if (index == state.max_lights_per_render) { @@ -1280,7 +1308,7 @@ void RasterizerCanvasRD::canvas_render_items(RID p_to_render_target, Item *p_ite state.light_uniforms[index].shadow_y_ofs = 0; } - state.light_uniforms[index].flags |= l->mode << LIGHT_FLAGS_BLEND_SHIFT; + state.light_uniforms[index].flags = l->blend_mode << LIGHT_FLAGS_BLEND_SHIFT; state.light_uniforms[index].flags |= l->shadow_filter << LIGHT_FLAGS_FILTER_SHIFT; if (clight->shadow.enabled) { state.light_uniforms[index].flags |= LIGHT_FLAGS_HAS_SHADOW; @@ -1306,9 +1334,46 @@ void RasterizerCanvasRD::canvas_render_items(RID p_to_render_target, Item *p_ite l = l->next_ptr; } - if (index > 0) { - RD::get_singleton()->buffer_update(state.lights_uniform_buffer, 0, sizeof(LightUniform) * index, &state.light_uniforms[0], true); - } + light_count = index; + } + + if (light_count > 0) { + RD::get_singleton()->buffer_update(state.lights_uniform_buffer, 0, sizeof(LightUniform) * light_count, &state.light_uniforms[0], true); + } + + { + //update canvas state uniform buffer + State::Buffer state_buffer; + + Size2i ssize = storage->render_target_get_size(p_to_render_target); + + Transform screen_transform; + screen_transform.translate(-(ssize.width / 2.0f), -(ssize.height / 2.0f), 0.0f); + screen_transform.scale(Vector3(2.0f / ssize.width, 2.0f / ssize.height, 1.0f)); + _update_transform_to_mat4(screen_transform, state_buffer.screen_transform); + _update_transform_2d_to_mat4(p_canvas_transform, state_buffer.canvas_transform); + + Transform2D normal_transform = p_canvas_transform; + normal_transform.elements[0].normalize(); + normal_transform.elements[1].normalize(); + normal_transform.elements[2] = Vector2(); + _update_transform_2d_to_mat4(normal_transform, state_buffer.canvas_normal_transform); + + state_buffer.canvas_modulate[0] = p_modulate.r; + state_buffer.canvas_modulate[1] = p_modulate.g; + state_buffer.canvas_modulate[2] = p_modulate.b; + state_buffer.canvas_modulate[3] = p_modulate.a; + + Size2 render_target_size = storage->render_target_get_size(p_to_render_target); + state_buffer.screen_pixel_size[0] = 1.0 / render_target_size.x; + state_buffer.screen_pixel_size[1] = 1.0 / render_target_size.y; + + state_buffer.time = state.time; + state_buffer.use_pixel_snap = p_snap_2d_vertices_to_pixel; + + state_buffer.directional_light_count = directional_light_count; + + RD::get_singleton()->buffer_update(state.canvas_state_buffer, 0, sizeof(State::Buffer), &state_buffer, true); } { //default filter/repeat @@ -1439,10 +1504,7 @@ void RasterizerCanvasRD::light_set_use_shadow(RID p_rid, bool p_enable) { cl->shadow.enabled = p_enable; } -void RasterizerCanvasRD::light_update_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_near, float p_far, LightOccluderInstance *p_occluders) { - CanvasLight *cl = canvas_light_owner.getornull(p_rid); - ERR_FAIL_COND(!cl->shadow.enabled); - +void RasterizerCanvasRD::_update_shadow_atlas() { if (state.shadow_fb == RID()) { //ah, we lack the shadow texture.. RD::get_singleton()->free(state.shadow_texture); //erase placeholder @@ -1474,6 +1536,12 @@ void RasterizerCanvasRD::light_update_shadow(RID p_rid, int p_shadow_index, cons state.shadow_fb = RD::get_singleton()->framebuffer_create(fb_textures); } +} +void RasterizerCanvasRD::light_update_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_near, float p_far, LightOccluderInstance *p_occluders) { + CanvasLight *cl = canvas_light_owner.getornull(p_rid); + ERR_FAIL_COND(!cl->shadow.enabled); + + _update_shadow_atlas(); cl->shadow.z_far = p_far; cl->shadow.y_offset = float(p_shadow_index * 2 + 1) / float(state.max_lights_per_render * 2); @@ -1547,6 +1615,86 @@ void RasterizerCanvasRD::light_update_shadow(RID p_rid, int p_shadow_index, cons } } +void RasterizerCanvasRD::light_update_directional_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_cull_distance, const Rect2 &p_clip_rect, LightOccluderInstance *p_occluders) { + CanvasLight *cl = canvas_light_owner.getornull(p_rid); + ERR_FAIL_COND(!cl->shadow.enabled); + + _update_shadow_atlas(); + + Vector2 light_dir = p_light_xform.elements[1].normalized(); + + Vector2 center = p_clip_rect.position + p_clip_rect.size * 0.5; + + float to_edge_distance = ABS(light_dir.dot(p_clip_rect.get_support(light_dir)) - light_dir.dot(center)); + + Vector2 from_pos = center - light_dir * (to_edge_distance + p_cull_distance); + float distance = to_edge_distance * 2.0 + p_cull_distance; + float half_size = p_clip_rect.size.length() * 0.5; //shadow length, must keep this no matter the angle + + cl->shadow.z_far = distance; + cl->shadow.y_offset = float(p_shadow_index * 2 + 1) / float(state.max_lights_per_render * 2); + + Transform2D to_light_xform; + + to_light_xform[2] = from_pos; + to_light_xform[1] = light_dir; + to_light_xform[0] = -light_dir.tangent(); + + to_light_xform.invert(); + + Vector<Color> cc; + cc.push_back(Color(1, 1, 1, 1)); + + Rect2i rect(0, p_shadow_index * 2, state.shadow_texture_size, 2); + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(state.shadow_fb, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_DISCARD, cc, 1.0, 0, rect); + + CameraMatrix projection; + projection.set_orthogonal(-half_size, half_size, -0.5, 0.5, 0.0, distance); + projection = projection * CameraMatrix(Transform().looking_at(Vector3(0, 1, 0), Vector3(0, 0, -1)).affine_inverse()); + + ShadowRenderPushConstant push_constant; + for (int y = 0; y < 4; y++) { + for (int x = 0; x < 4; x++) { + push_constant.projection[y * 4 + x] = projection.matrix[y][x]; + } + } + + push_constant.direction[0] = 0.0; + push_constant.direction[1] = 1.0; + push_constant.z_far = distance; + push_constant.pad = 0; + + LightOccluderInstance *instance = p_occluders; + + while (instance) { + OccluderPolygon *co = occluder_polygon_owner.getornull(instance->occluder); + + if (!co || co->index_array.is_null() || !(p_light_mask & instance->light_mask)) { + instance = instance->next; + continue; + } + + _update_transform_2d_to_mat2x4(to_light_xform * instance->xform_cache, push_constant.modelview); + + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, shadow_render.render_pipelines[co->cull_mode]); + RD::get_singleton()->draw_list_bind_vertex_array(draw_list, co->vertex_array); + RD::get_singleton()->draw_list_bind_index_array(draw_list, co->index_array); + RD::get_singleton()->draw_list_set_push_constant(draw_list, &push_constant, sizeof(ShadowRenderPushConstant)); + + RD::get_singleton()->draw_list_draw(draw_list, true); + + instance = instance->next; + } + + RD::get_singleton()->draw_list_end(); + + Transform2D to_shadow; + to_shadow.elements[0].x = 1.0 / -(half_size * 2.0); + to_shadow.elements[2].x = 0.5; + + cl->shadow.directional_xform = to_shadow * to_light_xform; +} + RID RasterizerCanvasRD::occluder_polygon_create() { OccluderPolygon occluder; occluder.point_count = 0; @@ -2419,6 +2567,4 @@ RasterizerCanvasRD::~RasterizerCanvasRD() { storage->free(default_canvas_texture); //pipelines don't need freeing, they are all gone after shaders are gone - - RD::get_singleton()->free(state.default_transforms_uniform_set); } diff --git a/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.h b/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.h index 3412435367..b516f63cbf 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_canvas_rd.h @@ -75,7 +75,6 @@ class RasterizerCanvasRD : public RasterizerCanvas { FLAGS_CLIP_RECT_UV = (1 << 9), FLAGS_TRANSPOSE_RECT = (1 << 10), - FLAGS_USING_LIGHT_MASK = (1 << 11), FLAGS_NINEPACH_DRAW_CENTER = (1 << 12), FLAGS_USING_PARTICLES = (1 << 13), @@ -269,6 +268,7 @@ class RasterizerCanvasRD : public RasterizerCanvas { bool enabled = false; float z_far; float y_offset; + Transform2D directional_xform; } shadow; }; @@ -331,12 +331,13 @@ class RasterizerCanvasRD : public RasterizerCanvas { float screen_transform[16]; float canvas_normal_transform[16]; float canvas_modulate[4]; + float screen_pixel_size[2]; float time; uint32_t use_pixel_snap; - //uint32_t light_count; - //uint32_t pad[3]; + uint32_t directional_light_count; + uint32_t pad[3]; }; LightUniform *light_uniforms; @@ -355,6 +356,7 @@ class RasterizerCanvasRD : public RasterizerCanvas { uint32_t max_lights_per_item; double time; + } state; struct PushConstant { @@ -388,6 +390,7 @@ class RasterizerCanvasRD : public RasterizerCanvas { Item *items[MAX_RENDER_ITEMS]; + bool using_directional_lights = false; RID default_canvas_texture; RID default_canvas_group_shader; @@ -408,6 +411,8 @@ class RasterizerCanvasRD : public RasterizerCanvas { _FORCE_INLINE_ void _update_transform_2d_to_mat4(const Transform2D &p_transform, float *p_mat4); _FORCE_INLINE_ void _update_transform_to_mat4(const Transform &p_transform, float *p_mat4); + void _update_shadow_atlas(); + public: PolygonID request_polygon(const Vector<int> &p_indices, const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs = Vector<Point2>(), const Vector<int> &p_bones = Vector<int>(), const Vector<float> &p_weights = Vector<float>()); void free_polygon(PolygonID p_polygon); @@ -416,12 +421,13 @@ public: void light_set_texture(RID p_rid, RID p_texture); void light_set_use_shadow(RID p_rid, bool p_enable); void light_update_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_near, float p_far, LightOccluderInstance *p_occluders); + void light_update_directional_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_cull_distance, const Rect2 &p_clip_rect, LightOccluderInstance *p_occluders); RID occluder_polygon_create(); void occluder_polygon_set_shape_as_lines(RID p_occluder, const Vector<Vector2> &p_lines); void occluder_polygon_set_cull_mode(RID p_occluder, RS::CanvasOccluderPolygonCullMode p_mode); - void canvas_render_items(RID p_to_render_target, Item *p_item_list, const Color &p_modulate, Light *p_light_list, const Transform2D &p_canvas_transform, RS::CanvasItemTextureFilter p_default_filter, RS::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_vertices_to_pixel); + void canvas_render_items(RID p_to_render_target, Item *p_item_list, const Color &p_modulate, Light *p_light_list, Light *p_directional_light_list, const Transform2D &p_canvas_transform, RS::CanvasItemTextureFilter p_default_filter, RS::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_vertices_to_pixel); void canvas_debug_viewport_shadows(Light *p_lights_with_shadow) {} diff --git a/servers/rendering/rasterizer_rd/rasterizer_effects_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_effects_rd.cpp index d669db1b4b..97c1e7ba70 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_effects_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_effects_rd.cpp @@ -30,8 +30,8 @@ #include "rasterizer_effects_rd.h" +#include "core/config/project_settings.h" #include "core/os/os.h" -#include "core/project_settings.h" #include "thirdparty/misc/cubemap_coeffs.h" diff --git a/servers/rendering/rasterizer_rd/rasterizer_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_rd.cpp index 509bd3ee73..5f8cf0ee8c 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_rd.cpp @@ -30,7 +30,7 @@ #include "rasterizer_rd.h" -#include "core/project_settings.h" +#include "core/config/project_settings.h" void RasterizerRD::prepare_for_blitting_render_targets() { RD::get_singleton()->prepare_screen_for_drawing(); diff --git a/servers/rendering/rasterizer_rd/rasterizer_rd.h b/servers/rendering/rasterizer_rd/rasterizer_rd.h index cdcc6bfd73..59fb8d2049 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_rd.h @@ -32,7 +32,7 @@ #define RASTERIZER_RD_H #include "core/os/os.h" -#include "core/thread_work_pool.h" +#include "core/templates/thread_work_pool.h" #include "servers/rendering/rasterizer.h" #include "servers/rendering/rasterizer_rd/rasterizer_canvas_rd.h" #include "servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h" 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 35b0591289..a275e46473 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp @@ -29,7 +29,7 @@ /*************************************************************************/ #include "rasterizer_scene_high_end_rd.h" -#include "core/project_settings.h" +#include "core/config/project_settings.h" #include "servers/rendering/rendering_device.h" #include "servers/rendering/rendering_server_raster.h" @@ -51,6 +51,7 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { int blend_mode = BLEND_MODE_MIX; int depth_testi = DEPTH_TEST_ENABLED; + int alpha_antialiasing_mode = ALPHA_ANTIALIASING_OFF; int cull = CULL_BACK; uses_point_size = false; @@ -82,6 +83,9 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { actions.render_mode_values["blend_sub"] = Pair<int *, int>(&blend_mode, BLEND_MODE_SUB); actions.render_mode_values["blend_mul"] = Pair<int *, int>(&blend_mode, BLEND_MODE_MUL); + actions.render_mode_values["alpha_to_coverage"] = Pair<int *, int>(&alpha_antialiasing_mode, ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE); + actions.render_mode_values["alpha_to_coverage_and_one"] = Pair<int *, int>(&alpha_antialiasing_mode, ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE); + actions.render_mode_values["depth_draw_never"] = Pair<int *, int>(&depth_drawi, DEPTH_DRAW_DISABLED); actions.render_mode_values["depth_draw_opaque"] = Pair<int *, int>(&depth_drawi, DEPTH_DRAW_OPAQUE); actions.render_mode_values["depth_draw_always"] = Pair<int *, int>(&depth_drawi, DEPTH_DRAW_ALWAYS); @@ -154,6 +158,11 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { //blend modes + // if any form of Alpha Antialiasing is enabled, set the blend mode to alpha to coverage + if (alpha_antialiasing_mode != ALPHA_ANTIALIASING_OFF) { + blend_mode = BLEND_MODE_ALPHA_TO_COVERAGE; + } + RD::PipelineColorBlendState::Attachment blend_attachment; switch (blend_mode) { @@ -199,6 +208,15 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { blend_attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ZERO; uses_blend_alpha = true; //force alpha used because of blend } break; + case BLEND_MODE_ALPHA_TO_COVERAGE: { + blend_attachment.enable_blend = true; + blend_attachment.alpha_blend_op = RD::BLEND_OP_ADD; + blend_attachment.color_blend_op = RD::BLEND_OP_ADD; + blend_attachment.src_color_blend_factor = RD::BLEND_FACTOR_SRC_ALPHA; + blend_attachment.dst_color_blend_factor = RD::BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + blend_attachment.src_alpha_blend_factor = RD::BLEND_FACTOR_ONE; + blend_attachment.dst_alpha_blend_factor = RD::BLEND_FACTOR_ZERO; + } } RD::PipelineColorBlendState blend_state_blend; @@ -245,8 +263,17 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { RD::PipelineColorBlendState blend_state; RD::PipelineDepthStencilState depth_stencil = depth_stencil_state; + RD::PipelineMultisampleState multisample_state; if (uses_alpha || uses_blend_alpha) { + // only allow these flags to go through if we have some form of msaa + if (alpha_antialiasing_mode == ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE) { + multisample_state.enable_alpha_to_coverage = true; + } else if (alpha_antialiasing_mode == ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE) { + multisample_state.enable_alpha_to_coverage = true; + multisample_state.enable_alpha_to_one = true; + } + if (k == SHADER_VERSION_COLOR_PASS || k == SHADER_VERSION_COLOR_PASS_WITH_FORWARD_GI || k == SHADER_VERSION_LIGHTMAP_COLOR_PASS) { blend_state = blend_state_blend; if (depth_draw == DEPTH_DRAW_OPAQUE) { @@ -286,7 +313,7 @@ void RasterizerSceneHighEndRD::ShaderData::set_code(const String &p_code) { } RID shader_variant = scene_singleton->shader.scene_shader.version_get_shader(version, k); - pipelines[i][j][k].setup(shader_variant, primitive_rd, raster_state, RD::PipelineMultisampleState(), depth_stencil, blend_state, 0); + pipelines[i][j][k].setup(shader_variant, primitive_rd, raster_state, multisample_state, depth_stencil, blend_state, 0); } } } @@ -2725,6 +2752,11 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag actions.renames["POINT_SIZE"] = "gl_PointSize"; actions.renames["INSTANCE_ID"] = "gl_InstanceIndex"; + actions.renames["ALPHA_SCISSOR_THRESHOLD"] = "alpha_scissor_threshold"; + actions.renames["ALPHA_HASH_SCALE"] = "alpha_hash_scale"; + actions.renames["ALPHA_ANTIALIASING_EDGE"] = "alpha_antialiasing_edge"; + actions.renames["ALPHA_TEXTURE_COORDINATE"] = "alpha_texture_coordinate"; + //builtins actions.renames["TIME"] = "scene_data.time"; @@ -2793,6 +2825,11 @@ RasterizerSceneHighEndRD::RasterizerSceneHighEndRD(RasterizerStorageRD *p_storag actions.usage_defines["INSTANCE_CUSTOM"] = "#define ENABLE_INSTANCE_CUSTOM\n"; actions.usage_defines["POSITION"] = "#define OVERRIDE_POSITION\n"; + actions.usage_defines["ALPHA_SCISSOR_THRESHOLD"] = "#define ALPHA_SCISSOR_USED\n"; + actions.usage_defines["ALPHA_HASH_SCALE"] = "#define ALPHA_HASH_USED\n"; + actions.usage_defines["ALPHA_ANTIALIASING_EDGE"] = "#define ALPHA_ANTIALIASING_EDGE_USED\n"; + actions.usage_defines["ALPHA_TEXTURE_COORDINATE"] = "@ALPHA_ANTIALIASING_EDGE"; + actions.usage_defines["SSS_STRENGTH"] = "#define ENABLE_SSS\n"; actions.usage_defines["SSS_TRANSMITTANCE_DEPTH"] = "#define ENABLE_TRANSMITTANCE\n"; actions.usage_defines["BACKLIGHT"] = "#define LIGHT_BACKLIGHT_USED\n"; 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 566022ae5b..db083a75cc 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h @@ -83,6 +83,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { BLEND_MODE_ADD, BLEND_MODE_SUB, BLEND_MODE_MUL, + BLEND_MODE_ALPHA_TO_COVERAGE }; enum DepthDraw { @@ -110,6 +111,12 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { }; + enum AlphaAntiAliasing { + ALPHA_ANTIALIASING_OFF, + ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE, + ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE + }; + bool valid; RID version; uint32_t vertex_input_mask; @@ -132,6 +139,7 @@ class RasterizerSceneHighEndRD : public RasterizerSceneRD { bool uses_point_size; bool uses_alpha; bool uses_blend_alpha; + bool uses_alpha_clip; bool uses_depth_pre_pass; bool uses_discard; bool uses_roughness; diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp index 0cae141138..e1be9b0ef4 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp @@ -30,8 +30,8 @@ #include "rasterizer_scene_rd.h" +#include "core/config/project_settings.h" #include "core/os/os.h" -#include "core/project_settings.h" #include "rasterizer_rd.h" #include "servers/rendering/rendering_server_raster.h" diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h index 2ad712a9d3..3d5310bb7e 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h @@ -31,8 +31,8 @@ #ifndef RASTERIZER_SCENE_RD_H #define RASTERIZER_SCENE_RD_H -#include "core/local_vector.h" -#include "core/rid_owner.h" +#include "core/templates/local_vector.h" +#include "core/templates/rid_owner.h" #include "servers/rendering/rasterizer.h" #include "servers/rendering/rasterizer_rd/light_cluster_builder.h" #include "servers/rendering/rasterizer_rd/rasterizer_storage_rd.h" diff --git a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp index 10c9293d67..8bd4362637 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp @@ -30,9 +30,9 @@ #include "rasterizer_storage_rd.h" -#include "core/engine.h" +#include "core/config/engine.h" +#include "core/config/project_settings.h" #include "core/io/resource_loader.h" -#include "core/project_settings.h" #include "rasterizer_rd.h" #include "servers/rendering/shader_language.h" @@ -1265,7 +1265,7 @@ void RasterizerStorageRD::canvas_texture_set_texture_repeat(RID p_canvas_texture ct->clear_sets(); } -bool RasterizerStorageRD::canvas_texture_get_unifom_set(RID p_texture, RS::CanvasItemTextureFilter p_base_filter, RS::CanvasItemTextureRepeat p_base_repeat, RID p_base_shader, int p_base_set, RID &r_uniform_set, Size2i &r_size, Color &r_specular_shininess, bool &r_use_normal, bool &r_use_specular) { +bool RasterizerStorageRD::canvas_texture_get_uniform_set(RID p_texture, RS::CanvasItemTextureFilter p_base_filter, RS::CanvasItemTextureRepeat p_base_repeat, RID p_base_shader, int p_base_set, RID &r_uniform_set, Size2i &r_size, Color &r_specular_shininess, bool &r_use_normal, bool &r_use_specular) { CanvasTexture *ct = nullptr; Texture *t = texture_owner.getornull(p_texture); diff --git a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h index 321bff9fdd..05cb1b4a73 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h @@ -31,7 +31,7 @@ #ifndef RASTERIZER_STORAGE_RD_H #define RASTERIZER_STORAGE_RD_H -#include "core/rid_owner.h" +#include "core/templates/rid_owner.h" #include "servers/rendering/rasterizer.h" #include "servers/rendering/rasterizer_rd/rasterizer_effects_rd.h" #include "servers/rendering/rasterizer_rd/shader_compiler_rd.h" @@ -1185,7 +1185,7 @@ public: virtual void canvas_texture_set_texture_filter(RID p_canvas_texture, RS::CanvasItemTextureFilter p_filter); virtual void canvas_texture_set_texture_repeat(RID p_canvas_texture, RS::CanvasItemTextureRepeat p_repeat); - bool canvas_texture_get_unifom_set(RID p_texture, RS::CanvasItemTextureFilter p_base_filter, RS::CanvasItemTextureRepeat p_base_repeat, RID p_base_shader, int p_base_set, RID &r_uniform_set, Size2i &r_size, Color &r_specular_shininess, bool &r_use_normal, bool &r_use_specular); + bool canvas_texture_get_uniform_set(RID p_texture, RS::CanvasItemTextureFilter p_base_filter, RS::CanvasItemTextureRepeat p_base_repeat, RID p_base_shader, int p_base_set, RID &r_uniform_set, Size2i &r_size, Color &r_specular_shininess, bool &r_use_normal, bool &r_use_specular); /* SHADER API */ diff --git a/servers/rendering/rasterizer_rd/render_pipeline_vertex_format_cache_rd.h b/servers/rendering/rasterizer_rd/render_pipeline_vertex_format_cache_rd.h index cf15e79586..6a72dbc77c 100644 --- a/servers/rendering/rasterizer_rd/render_pipeline_vertex_format_cache_rd.h +++ b/servers/rendering/rasterizer_rd/render_pipeline_vertex_format_cache_rd.h @@ -31,7 +31,7 @@ #ifndef RENDER_PIPELINE_CACHE_RD_H #define RENDER_PIPELINE_CACHE_RD_H -#include "core/spin_lock.h" +#include "core/os/spin_lock.h" #include "servers/rendering/rendering_device.h" class RenderPipelineVertexFormatCacheRD { diff --git a/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp b/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp index 0a0c343e57..1a33e9a567 100644 --- a/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp +++ b/servers/rendering/rasterizer_rd/shader_compiler_rd.cpp @@ -30,8 +30,8 @@ #include "shader_compiler_rd.h" +#include "core/config/project_settings.h" #include "core/os/os.h" -#include "core/project_settings.h" #include "rasterizer_storage_rd.h" #include "servers/rendering_server.h" diff --git a/servers/rendering/rasterizer_rd/shader_compiler_rd.h b/servers/rendering/rasterizer_rd/shader_compiler_rd.h index 565520ec65..694f8fff91 100644 --- a/servers/rendering/rasterizer_rd/shader_compiler_rd.h +++ b/servers/rendering/rasterizer_rd/shader_compiler_rd.h @@ -31,7 +31,7 @@ #ifndef SHADER_COMPILER_RD_H #define SHADER_COMPILER_RD_H -#include "core/pair.h" +#include "core/templates/pair.h" #include "servers/rendering/shader_language.h" #include "servers/rendering/shader_types.h" #include "servers/rendering_server.h" diff --git a/servers/rendering/rasterizer_rd/shader_rd.cpp b/servers/rendering/rasterizer_rd/shader_rd.cpp index 8c57651263..865a1e1bbe 100644 --- a/servers/rendering/rasterizer_rd/shader_rd.cpp +++ b/servers/rendering/rasterizer_rd/shader_rd.cpp @@ -30,7 +30,7 @@ #include "shader_rd.h" -#include "core/string_builder.h" +#include "core/string/string_builder.h" #include "rasterizer_rd.h" #include "servers/rendering/rendering_device.h" diff --git a/servers/rendering/rasterizer_rd/shader_rd.h b/servers/rendering/rasterizer_rd/shader_rd.h index d9bb068ba6..0c379db6f2 100644 --- a/servers/rendering/rasterizer_rd/shader_rd.h +++ b/servers/rendering/rasterizer_rd/shader_rd.h @@ -31,11 +31,11 @@ #ifndef SHADER_RD_H #define SHADER_RD_H -#include "core/hash_map.h" -#include "core/map.h" #include "core/os/mutex.h" -#include "core/rid_owner.h" -#include "core/variant.h" +#include "core/templates/hash_map.h" +#include "core/templates/map.h" +#include "core/templates/rid_owner.h" +#include "core/variant/variant.h" #include <stdio.h> /** diff --git a/servers/rendering/rasterizer_rd/shaders/canvas.glsl b/servers/rendering/rasterizer_rd/shaders/canvas.glsl index b382c0d85f..2a0f94e733 100644 --- a/servers/rendering/rasterizer_rd/shaders/canvas.glsl +++ b/servers/rendering/rasterizer_rd/shaders/canvas.glsl @@ -249,7 +249,7 @@ vec4 light_compute( inout vec4 shadow_modulate, vec2 screen_uv, vec2 uv, - vec4 color) { + vec4 color, bool is_directional) { vec4 light = vec4(0.0); /* clang-format off */ LIGHT_SHADER_CODE @@ -302,6 +302,99 @@ float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, flo #endif +#ifdef USE_LIGHTING + +vec3 light_normal_compute(vec3 light_vec, vec3 normal, vec3 base_color, vec3 light_color, vec4 specular_shininess, bool specular_shininess_used) { + float cNdotL = max(0.0, dot(normal, light_vec)); + + if (specular_shininess_used) { + //blinn + vec3 view = vec3(0.0, 0.0, 1.0); // not great but good enough + vec3 half_vec = normalize(view + light_vec); + + float cNdotV = max(dot(normal, view), 0.0); + float cNdotH = max(dot(normal, half_vec), 0.0); + float cVdotH = max(dot(view, half_vec), 0.0); + float cLdotH = max(dot(light_vec, half_vec), 0.0); + float shininess = exp2(15.0 * specular_shininess.a + 1.0) * 0.25; + float blinn = pow(cNdotH, shininess); + blinn *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); + float s = (blinn) / max(4.0 * cNdotV * cNdotL, 0.75); + + return specular_shininess.rgb * light_color * s + light_color * base_color * cNdotL; + } else { + return light_color * base_color * cNdotL; + } +} + +//float distance = length(shadow_pos); +vec4 light_shadow_compute(uint light_base, vec4 light_color, vec4 shadow_uv +#ifdef LIGHT_SHADER_CODE_USED + , + vec3 shadow_modulate +#endif +) { + float shadow; + uint shadow_mode = light_array.data[light_base].flags & LIGHT_FLAGS_FILTER_MASK; + + if (shadow_mode == LIGHT_FLAGS_SHADOW_NEAREST) { + shadow = textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv, 0.0).x; + } else if (shadow_mode == LIGHT_FLAGS_SHADOW_PCF5) { + vec4 shadow_pixel_size = vec4(light_array.data[light_base].shadow_pixel_size, 0.0, 0.0, 0.0); + shadow = 0.0; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 2.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 2.0, 0.0).x; + shadow /= 5.0; + } else { //PCF13 + vec4 shadow_pixel_size = vec4(light_array.data[light_base].shadow_pixel_size, 0.0, 0.0, 0.0); + shadow = 0.0; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 6.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 5.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 4.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 3.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 2.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 2.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 3.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 4.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 5.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 6.0, 0.0).x; + shadow /= 13.0; + } + + vec4 shadow_color = unpackUnorm4x8(light_array.data[light_base].shadow_color); +#ifdef LIGHT_SHADER_CODE_USED + shadow_color *= shadow_modulate; +#endif + + shadow_color.a *= light_color.a; //respect light alpha + + return mix(light_color, shadow_color, shadow); +} + +void light_blend_compute(uint light_base, vec4 light_color, inout vec3 color) { + uint blend_mode = light_array.data[light_base].flags & LIGHT_FLAGS_BLEND_MASK; + + switch (blend_mode) { + case LIGHT_FLAGS_BLEND_MODE_ADD: { + color.rgb += light_color.rgb * light_color.a; + } break; + case LIGHT_FLAGS_BLEND_MODE_SUB: { + color.rgb -= light_color.rgb * light_color.a; + } break; + case LIGHT_FLAGS_BLEND_MODE_MIX: { + color.rgb = mix(color.rgb, light_color.rgb, light_color.a); + } break; + } +} + +#endif + void main() { vec4 color = color_interp; vec2 uv = uv_interp; @@ -332,6 +425,7 @@ void main() { color *= texture(sampler2D(color_texture, texture_sampler), uv); uint light_count = (draw_data.flags >> FLAGS_LIGHT_COUNT_SHIFT) & 0xF; //max 16 lights + bool using_light = light_count > 0 || canvas_data.directional_light_count > 0; vec3 normal; @@ -341,7 +435,7 @@ void main() { bool normal_used = false; #endif - if (normal_used || (light_count > 0 && bool(draw_data.flags & FLAGS_DEFAULT_NORMAL_MAP_USED))) { + if (normal_used || (using_light && bool(draw_data.flags & FLAGS_DEFAULT_NORMAL_MAP_USED))) { normal.xy = texture(sampler2D(normal_texture, texture_sampler), uv).xy * vec2(2.0, -2.0) - vec2(1.0, -1.0); normal.z = sqrt(1.0 - dot(normal.xy, normal.xy)); normal_used = true; @@ -358,7 +452,7 @@ void main() { bool specular_shininess_used = false; #endif - if (specular_shininess_used || (light_count > 0 && normal_used && bool(draw_data.flags & FLAGS_DEFAULT_SPECULAR_MAP_USED))) { + if (specular_shininess_used || (using_light && normal_used && bool(draw_data.flags & FLAGS_DEFAULT_SPECULAR_MAP_USED))) { specular_shininess = texture(sampler2D(specular_texture, texture_sampler), uv); specular_shininess *= unpackUnorm4x8(draw_data.specular_shininess); specular_shininess_used = true; @@ -401,13 +495,52 @@ FRAGMENT_SHADER_CODE normal = normalize((canvas_data.canvas_normal_transform * vec4(normal, 0.0)).xyz); } - vec4 base_color = color; + vec3 base_color = color.rgb; if (bool(draw_data.flags & FLAGS_USING_LIGHT_MASK)) { color = vec4(0.0); //invisible by default due to using light mask } color *= canvas_data.canvas_modulation; #ifdef USE_LIGHTING + + // Directional Lights + + for (uint i = 0; i < canvas_data.directional_light_count; i++) { + uint light_base = i; + + vec2 direction = light_array.data[light_base].position; + vec4 light_color = light_array.data[light_base].color; + +#ifdef LIGHT_SHADER_CODE_USED + + vec4 shadow_modulate = vec4(1.0); + light_color = light_compute(light_vertex, direction, normal, light_color, light_color.a, specular_shininess, shadow_modulate, screen_uv, color, uv, true); +#else + + if (normal_used) { + vec3 light_vec = normalize(mix(vec3(direction, 0.0), vec3(0, 0, 1), light_array.data[light_base].height)); + light_color.rgb = light_normal_compute(light_vec, normal, base_color, light_color.rgb, specular_shininess, specular_shininess_used); + } +#endif + + if (bool(light_array.data[light_base].flags & LIGHT_FLAGS_HAS_SHADOW)) { + vec2 shadow_pos = (vec4(shadow_vertex, 0.0, 1.0) * mat4(light_array.data[light_base].shadow_matrix[0], light_array.data[light_base].shadow_matrix[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))).xy; //multiply inverse given its transposed. Optimizer removes useless operations. + + vec4 shadow_uv = vec4(shadow_pos.x, light_array.data[light_base].shadow_y_ofs, shadow_pos.y * light_array.data[light_base].shadow_zfar_inv, 1.0); + + light_color = light_shadow_compute(light_base, light_color, shadow_uv +#ifdef LIGHT_SHADER_CODE_USED + , + shadow_modulate +#endif + ); + } + + light_blend_compute(light_base, light_color, color.rgb); + } + + // Positional Lights + for (uint i = 0; i < MAX_LIGHTS_PER_ITEM; i++) { if (i >= light_count) { break; @@ -440,7 +573,7 @@ FRAGMENT_SHADER_CODE vec3 light_position = vec3(light_array.data[light_base].position, light_array.data[light_base].height); light_color.rgb *= light_base_color.rgb; - light_color = light_compute(light_vertex, light_position, normal, light_color, light_base_color.a, specular_shininess, shadow_modulate, screen_uv, color, uv); + light_color = light_compute(light_vertex, light_position, normal, light_color, light_base_color.a, specular_shininess, shadow_modulate, screen_uv, color, uv, false); #else light_color.rgb *= light_base_color.rgb * light_base_color.a; @@ -451,24 +584,7 @@ FRAGMENT_SHADER_CODE vec3 light_vec = normalize(light_pos - pos); float cNdotL = max(0.0, dot(normal, light_vec)); - if (specular_shininess_used) { - //blinn - vec3 view = vec3(0.0, 0.0, 1.0); // not great but good enough - vec3 half_vec = normalize(view + light_vec); - - float cNdotV = max(dot(normal, view), 0.0); - float cNdotH = max(dot(normal, half_vec), 0.0); - float cVdotH = max(dot(view, half_vec), 0.0); - float cLdotH = max(dot(light_vec, half_vec), 0.0); - float shininess = exp2(15.0 * specular_shininess.a + 1.0) * 0.25; - float blinn = pow(cNdotH, shininess); - blinn *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); - float s = (blinn) / max(4.0 * cNdotV * cNdotL, 0.75); - - light_color.rgb = specular_shininess.rgb * light_base_color.rgb * s + light_color.rgb * cNdotL; - } else { - light_color.rgb *= cNdotL; - } + light_color.rgb = light_normal_compute(light_vec, normal, base_color, light_color.rgb, specular_shininess, specular_shininess_used); } #endif if (any(lessThan(tex_uv, vec2(0.0, 0.0))) || any(greaterThanEqual(tex_uv, vec2(1.0, 1.0)))) { @@ -506,69 +622,17 @@ FRAGMENT_SHADER_CODE distance *= light_array.data[light_base].shadow_zfar_inv; //float distance = length(shadow_pos); - float shadow; - uint shadow_mode = light_array.data[light_base].flags & LIGHT_FLAGS_FILTER_MASK; - vec4 shadow_uv = vec4(tex_ofs, light_array.data[light_base].shadow_y_ofs, distance, 1.0); - if (shadow_mode == LIGHT_FLAGS_SHADOW_NEAREST) { - shadow = textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv, 0.0).x; - } else if (shadow_mode == LIGHT_FLAGS_SHADOW_PCF5) { - vec4 shadow_pixel_size = vec4(light_array.data[light_base].shadow_pixel_size, 0.0, 0.0, 0.0); - shadow = 0.0; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 2.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 2.0, 0.0).x; - shadow /= 5.0; - } else { //PCF13 - vec4 shadow_pixel_size = vec4(light_array.data[light_base].shadow_pixel_size, 0.0, 0.0, 0.0); - shadow = 0.0; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 6.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 5.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 4.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 3.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 2.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 2.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 3.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 4.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 5.0, 0.0).x; - shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 6.0, 0.0).x; - shadow /= 13.0; - } - - vec4 shadow_color = unpackUnorm4x8(light_array.data[light_base].shadow_color); + light_color = light_shadow_compute(light_base, light_color, shadow_uv #ifdef LIGHT_SHADER_CODE_USED - shadow_color *= shadow_modulate; + , + shadow_modulate #endif - - shadow_color.a *= light_color.a; //respect light alpha - - light_color = mix(light_color, shadow_color, shadow); - //light_color = mix(light_color, shadow_color, shadow); + ); } - uint blend_mode = light_array.data[light_base].flags & LIGHT_FLAGS_BLEND_MASK; - - switch (blend_mode) { - case LIGHT_FLAGS_BLEND_MODE_ADD: { - color.rgb += light_color.rgb * light_color.a; - } break; - case LIGHT_FLAGS_BLEND_MODE_SUB: { - color.rgb -= light_color.rgb * light_color.a; - } break; - case LIGHT_FLAGS_BLEND_MODE_MIX: { - color.rgb = mix(color.rgb, light_color.rgb, light_color.a); - } break; - case LIGHT_FLAGS_BLEND_MODE_MASK: { - light_color.a *= base_color.a; - color.rgb = mix(color.rgb, light_color.rgb, light_color.a); - } break; - } + light_blend_compute(light_base, light_color, color.rgb); } #endif diff --git a/servers/rendering/rasterizer_rd/shaders/canvas_uniforms_inc.glsl b/servers/rendering/rasterizer_rd/shaders/canvas_uniforms_inc.glsl index 1a226a87d3..bb39584cbb 100644 --- a/servers/rendering/rasterizer_rd/shaders/canvas_uniforms_inc.glsl +++ b/servers/rendering/rasterizer_rd/shaders/canvas_uniforms_inc.glsl @@ -68,7 +68,10 @@ layout(set = 0, binding = 1, std140) uniform CanvasData { float time; bool use_pixel_snap; - //uint light_count; + uint directional_light_count; + uint pad0; + uint pad1; + uint pad2; } canvas_data; diff --git a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl index 455a3d4a3a..da3c60af04 100644 --- a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl +++ b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl @@ -361,6 +361,65 @@ layout(location = 0) out vec4 frag_color; #endif // RENDER DEPTH +#ifdef ALPHA_HASH_USED + +float hash_2d(vec2 p) { + return fract(1.0e4 * sin(17.0 * p.x + 0.1 * p.y) * + (0.1 + abs(sin(13.0 * p.y + p.x)))); +} + +float hash_3d(vec3 p) { + return hash_2d(vec2(hash_2d(p.xy), p.z)); +} + +float compute_alpha_hash_threshold(vec3 pos, float hash_scale) { + vec3 dx = dFdx(pos); + vec3 dy = dFdx(pos); + float delta_max_sqr = max(length(dx), length(dy)); + float pix_scale = 1.0 / (hash_scale * delta_max_sqr); + + vec2 pix_scales = + vec2(exp2(floor(log2(pix_scale))), exp2(ceil(log2(pix_scale)))); + + vec2 a_thresh = vec2(hash_3d(floor(pix_scales.x * pos.xyz)), + hash_3d(floor(pix_scales.y * pos.xyz))); + + float lerp_factor = fract(log2(pix_scale)); + + float a_interp = (1.0 - lerp_factor) * a_thresh.x + lerp_factor * a_thresh.y; + + float min_lerp = min(lerp_factor, 1.0 - lerp_factor); + + vec3 cases = vec3(a_interp * a_interp / (2.0 * min_lerp * (1.0 - min_lerp)), + (a_interp - 0.5 * min_lerp) / (1.0 - min_lerp), + 1.0 - ((1.0 - a_interp) * (1.0 - a_interp) / + (2.0 * min_lerp * (1.0 - min_lerp)))); + + float alpha_hash_threshold = + (lerp_factor < (1.0 - min_lerp)) ? ((lerp_factor < min_lerp) ? cases.x : cases.y) : cases.z; + + return clamp(alpha_hash_threshold, 0.0, 1.0); +} + +#endif // ALPHA_HASH_USED + +#ifdef ALPHA_ANTIALIASING_EDGE_USED + +float calc_mip_level(vec2 texture_coord) { + vec2 dx = dFdx(texture_coord); + vec2 dy = dFdy(texture_coord); + float delta_max_sqr = max(dot(dx, dx), dot(dy, dy)); + return max(0.0, 0.5 * log2(delta_max_sqr)); +} + +float compute_alpha_antialiasing_edge(float input_alpha, vec2 texture_coord, float alpha_edge) { + input_alpha *= 1.0 + max(0, calc_mip_level(texture_coord)) * 0.25; // 0.25 mip scale, magic number + input_alpha = (input_alpha - alpha_edge) / max(fwidth(input_alpha), 0.0001) + 0.5; + return clamp(input_alpha, 0.0, 1.0); +} + +#endif // ALPHA_ANTIALIASING_USED + // This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V. // We're dividing this factor off because the overall term we'll end up looks like // (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012): @@ -1709,10 +1768,6 @@ void main() { float alpha = 1.0; -#if defined(ALPHA_SCISSOR_USED) - float alpha_scissor = 0.5; -#endif - #if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) vec3 binormal = normalize(binormal_interp); vec3 tangent = normalize(tangent_interp); @@ -1749,6 +1804,19 @@ void main() { float sss_strength = 0.0; +#ifdef ALPHA_SCISSOR_USED + float alpha_scissor_threshold = 1.0; +#endif // ALPHA_SCISSOR_USED + +#ifdef ALPHA_HASH_USED + float alpha_hash_scale = 1.0; +#endif // ALPHA_HASH_USED + +#ifdef ALPHA_ANTIALIASING_EDGE_USED + float alpha_antialiasing_edge = 0.0; + vec2 alpha_texture_coordinate = vec2(0.0, 0.0); +#endif // ALPHA_ANTIALIASING_EDGE_USED + { /* clang-format off */ @@ -1757,7 +1825,7 @@ FRAGMENT_SHADER_CODE /* clang-format on */ } -#if defined(LIGHT_TRANSMITTANCE_USED) +#ifdef LIGHT_TRANSMITTANCE_USED #ifdef SSS_MODE_SKIN transmittance_color.a = sss_strength; #else @@ -1765,25 +1833,43 @@ FRAGMENT_SHADER_CODE #endif #endif -#if !defined(USE_SHADOW_TO_OPACITY) +#ifndef USE_SHADOW_TO_OPACITY -#if defined(ALPHA_SCISSOR_USED) - if (alpha < alpha_scissor) { +#ifdef ALPHA_SCISSOR_USED + if (alpha < alpha_scissor_threshold) { discard; } #endif // ALPHA_SCISSOR_USED -#ifdef USE_OPAQUE_PREPASS +// alpha hash can be used in unison with alpha antialiasing +#ifdef ALPHA_HASH_USED + if (alpha < compute_alpha_hash_threshold(vertex, alpha_hash_scale)) { + discard; + } +#endif // ALPHA_HASH_USED + +// If we are not edge antialiasing, we need to remove the output alpha channel from scissor and hash +#if (defined(ALPHA_SCISSOR_USED) || defined(ALPHA_HASH_USED)) && !defined(ALPHA_ANTIALIASING_EDGE_USED) + alpha = 1.0; +#endif + +#ifdef ALPHA_ANTIALIASING_EDGE_USED +// If alpha scissor is used, we must further the edge threshold, otherwise we wont get any edge feather +#ifdef ALPHA_SCISSOR_USED + alpha_antialiasing_edge = clamp(alpha_scissor_threshold + alpha_antialiasing_edge, 0.0, 1.0); +#endif + alpha = compute_alpha_antialiasing_edge(alpha, alpha_texture_coordinate, alpha_antialiasing_edge); +#endif // ALPHA_ANTIALIASING_EDGE_USED +#ifdef USE_OPAQUE_PREPASS if (alpha < opaque_prepass_threshold) { discard; } - #endif // USE_OPAQUE_PREPASS #endif // !USE_SHADOW_TO_OPACITY -#if defined(NORMALMAP_USED) +#ifdef NORMALMAP_USED normalmap.xy = normalmap.xy * 2.0 - 1.0; normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc. @@ -1792,7 +1878,7 @@ FRAGMENT_SHADER_CODE #endif -#if defined(LIGHT_ANISOTROPY_USED) +#ifdef LIGHT_ANISOTROPY_USED if (anisotropy > 0.01) { //rotation matrix |