diff options
Diffstat (limited to 'drivers/gles3/rasterizer_canvas_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_canvas_gles3.cpp | 640 |
1 files changed, 589 insertions, 51 deletions
diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp index b407670098..29252c8677 100644 --- a/drivers/gles3/rasterizer_canvas_gles3.cpp +++ b/drivers/gles3/rasterizer_canvas_gles3.cpp @@ -36,26 +36,13 @@ #include "rasterizer_scene_gles3.h" #include "core/config/project_settings.h" +#include "core/math/geometry_2d.h" #include "servers/rendering/rendering_server_default.h" #include "storage/config.h" #include "storage/material_storage.h" #include "storage/mesh_storage.h" #include "storage/texture_storage.h" -#ifndef GLES_OVER_GL -#define glClearDepth glClearDepthf -#endif - -//static const GLenum gl_primitive[] = { -// GL_POINTS, -// GL_LINES, -// GL_LINE_STRIP, -// GL_LINE_LOOP, -// GL_TRIANGLES, -// GL_TRIANGLE_STRIP, -// GL_TRIANGLE_FAN -//}; - void RasterizerCanvasGLES3::_update_transform_2d_to_mat4(const Transform2D &p_transform, float *p_mat4) { p_mat4[0] = p_transform.columns[0][0]; p_mat4[1] = p_transform.columns[0][1]; @@ -174,7 +161,7 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ state.light_uniforms[index].position[0] = -canvas_light_dir.x; state.light_uniforms[index].position[1] = -canvas_light_dir.y; - //_update_transform_2d_to_mat2x4(clight->shadow.directional_xform, state.light_uniforms[index].shadow_matrix); + _update_transform_2d_to_mat2x4(clight->shadow.directional_xform, state.light_uniforms[index].shadow_matrix); state.light_uniforms[index].height = l->height; //0..1 here @@ -185,8 +172,7 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ state.light_uniforms[index].color[3] = l->energy; //use alpha for energy, so base color can go separate - /* - if (state.shadow_fb.is_valid()) { + if (state.shadow_fb != 0) { 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; @@ -195,15 +181,13 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ 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; @@ -252,24 +236,22 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ 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; - } - */ + if (state.shadow_fb != 0) { + 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; } - */ if (clight->texture.is_valid()) { Rect2 atlas_rect = GLES3::TextureStorage::get_singleton()->texture_atlas_get_texture_rect(clight->texture); @@ -313,6 +295,13 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ } glActiveTexture(GL_TEXTURE0 + GLES3::Config::get_singleton()->max_texture_image_units - 2); glBindTexture(GL_TEXTURE_2D, texture_atlas); + GLuint shadow_tex = state.shadow_texture; + if (shadow_tex == 0) { + GLES3::Texture *tex = texture_storage->get_texture(texture_storage->texture_gl_get_default(GLES3::DEFAULT_GL_TEXTURE_WHITE)); + shadow_tex = tex->tex_id; + } + glActiveTexture(GL_TEXTURE0 + GLES3::Config::get_singleton()->max_texture_image_units - 3); + glBindTexture(GL_TEXTURE_2D, shadow_tex); } { @@ -342,8 +331,6 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ state_buffer.screen_pixel_size[0] = 1.0 / render_target_size.x; state_buffer.screen_pixel_size[1] = 1.0 / render_target_size.y; - glViewport(0, 0, render_target_size.x, render_target_size.y); - state_buffer.time = state.time; state_buffer.use_pixel_snap = p_snap_2d_vertices_to_pixel; @@ -366,6 +353,7 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ state_buffer.sdf_to_tex[3] = -sdf_tex_rect.position.y / sdf_tex_rect.size.height; state_buffer.tex_to_sdf = 1.0 / ((canvas_scale.x + canvas_scale.y) * 0.5); + glBindBufferBase(GL_UNIFORM_BUFFER, BASE_UNIFORM_LOCATION, state.canvas_instance_data_buffers[state.current_buffer].state_ubo); glBufferData(GL_UNIFORM_BUFFER, sizeof(StateBuffer), &state_buffer, GL_STREAM_DRAW); @@ -375,11 +363,17 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ glBindBuffer(GL_UNIFORM_BUFFER, 0); } + glActiveTexture(GL_TEXTURE0 + GLES3::Config::get_singleton()->max_texture_image_units - 5); + glBindTexture(GL_TEXTURE_2D, texture_storage->render_target_get_sdf_texture(p_to_render_target)); + { state.default_filter = p_default_filter; state.default_repeat = p_default_repeat; } + Size2 render_target_size = texture_storage->render_target_get_size(p_to_render_target); + glViewport(0, 0, render_target_size.x, render_target_size.y); + r_sdf_used = false; int item_count = 0; bool backbuffer_cleared = false; @@ -436,10 +430,12 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ _render_items(p_to_render_target, item_count, canvas_transform_inverse, p_light_list, starting_index, false); item_count = 0; - Rect2i group_rect = ci->canvas_group_owner->global_rect_cache; - - if (ci->canvas_group_owner->canvas_group->mode == RS::CANVAS_GROUP_MODE_OPAQUE) { + if (ci->canvas_group_owner->canvas_group->mode != RS::CANVAS_GROUP_MODE_TRANSPARENT) { + Rect2i group_rect = ci->canvas_group_owner->global_rect_cache; texture_storage->render_target_copy_to_back_buffer(p_to_render_target, group_rect, false); + if (ci->canvas_group_owner->canvas_group->mode == RS::CANVAS_GROUP_MODE_CLIP_AND_DRAW) { + items[item_count++] = ci->canvas_group_owner; + } } else if (!backbuffer_cleared) { texture_storage->render_target_clear_back_buffer(p_to_render_target, Rect2i(), Color(0, 0, 0, 0)); backbuffer_cleared = true; @@ -547,9 +543,18 @@ void RasterizerCanvasGLES3::_render_items(RID p_to_render_target, int p_item_cou } RID material = ci->material_owner == nullptr ? ci->material : ci->material_owner->material; - - if (material.is_null() && ci->canvas_group != nullptr) { - material = default_canvas_group_material; + if (ci->canvas_group != nullptr) { + if (ci->canvas_group->mode == RS::CANVAS_GROUP_MODE_CLIP_AND_DRAW) { + if (!p_to_backbuffer) { + material = default_clip_children_material; + } + } else { + if (ci->canvas_group->mode == RS::CANVAS_GROUP_MODE_CLIP_ONLY) { + material = default_clip_children_material; + } else { + material = default_canvas_group_material; + } + } } GLES3::CanvasShaderData *shader_data_cache = nullptr; @@ -576,6 +581,13 @@ void RasterizerCanvasGLES3::_render_items(RID p_to_render_target, int p_item_cou _record_item_commands(ci, p_canvas_transform_inverse, current_clip, blend_mode, p_lights, index, batch_broken); } + if (r_last_index >= index) { + // Nothing to render, just return. + state.current_batch_index = 0; + state.canvas_instance_batches.clear(); + return; + } + // Copy over all data needed for rendering. glBindBuffer(GL_UNIFORM_BUFFER, state.canvas_instance_data_buffers[state.current_buffer].ubo); #ifdef WEB_ENABLED @@ -610,6 +622,7 @@ void RasterizerCanvasGLES3::_render_items(RID p_to_render_target, int p_item_cou CanvasShaderGLES3::ShaderVariant variant = state.canvas_instance_batches[i].shader_variant; uint64_t specialization = 0; specialization |= uint64_t(state.canvas_instance_batches[i].lights_disabled); + specialization |= uint64_t(!GLES3::Config::get_singleton()->float_texture_supported) << 1; _bind_material(material_data, variant, specialization); GLES3::CanvasShaderData::BlendMode blend_mode = state.canvas_instance_batches[i].blend_mode; @@ -1384,28 +1397,516 @@ void RasterizerCanvasGLES3::light_set_texture(RID p_rid, RID p_texture) { } void RasterizerCanvasGLES3::light_set_use_shadow(RID p_rid, bool p_enable) { + CanvasLight *cl = canvas_light_owner.get_or_null(p_rid); + ERR_FAIL_COND(!cl); + + cl->shadow.enabled = p_enable; } void RasterizerCanvasGLES3::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) { + GLES3::Config *config = GLES3::Config::get_singleton(); + + CanvasLight *cl = canvas_light_owner.get_or_null(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(data.max_lights_per_render * 2); + + glBindFramebuffer(GL_FRAMEBUFFER, state.shadow_fb); + glViewport(0, p_shadow_index * 2, state.shadow_texture_size, 2); + + glDepthMask(GL_TRUE); + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_LESS); + glDisable(GL_BLEND); + + glEnable(GL_SCISSOR_TEST); + glScissor(0, p_shadow_index * 2, state.shadow_texture_size, 2); + glClearColor(p_far, p_far, p_far, 1.0); + glClearDepth(1.0); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glCullFace(GL_BACK); + glDisable(GL_CULL_FACE); + RS::CanvasOccluderPolygonCullMode cull_mode = RS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED; + + CanvasOcclusionShaderGLES3::ShaderVariant variant = config->float_texture_supported ? CanvasOcclusionShaderGLES3::MODE_SHADOW : CanvasOcclusionShaderGLES3::MODE_SHADOW_RGBA; + shadow_render.shader.version_bind_shader(shadow_render.shader_version, variant); + + for (int i = 0; i < 4; i++) { + glViewport((state.shadow_texture_size / 4) * i, p_shadow_index * 2, (state.shadow_texture_size / 4), 2); + + Projection projection; + { + real_t fov = 90; + real_t nearp = p_near; + real_t farp = p_far; + real_t aspect = 1.0; + + real_t ymax = nearp * Math::tan(Math::deg_to_rad(fov * 0.5)); + real_t ymin = -ymax; + real_t xmin = ymin * aspect; + real_t xmax = ymax * aspect; + + projection.set_frustum(xmin, xmax, ymin, ymax, nearp, farp); + } + + Vector3 cam_target = Basis::from_euler(Vector3(0, 0, Math_TAU * ((i + 3) / 4.0))).xform(Vector3(0, 1, 0)); + + projection = projection * Projection(Transform3D().looking_at(cam_target, Vector3(0, 0, -1)).affine_inverse()); + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::PROJECTION, projection, shadow_render.shader_version, variant); + + static const Vector2 directions[4] = { Vector2(1, 0), Vector2(0, 1), Vector2(-1, 0), Vector2(0, -1) }; + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::DIRECTION, directions[i].x, directions[i].y, shadow_render.shader_version, variant); + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::Z_FAR, p_far, shadow_render.shader_version, variant); + + LightOccluderInstance *instance = p_occluders; + + while (instance) { + OccluderPolygon *co = occluder_polygon_owner.get_or_null(instance->occluder); + + if (!co || co->vertex_array == 0 || !(p_light_mask & instance->light_mask)) { + instance = instance->next; + continue; + } + + Transform2D modelview = p_light_xform * instance->xform_cache; + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::MODELVIEW1, modelview.columns[0][0], modelview.columns[1][0], 0, modelview.columns[2][0], shadow_render.shader_version, variant); + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::MODELVIEW2, modelview.columns[0][1], modelview.columns[1][1], 0, modelview.columns[2][1], shadow_render.shader_version, variant); + + if (co->cull_mode != cull_mode) { + if (co->cull_mode == RS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED) { + glDisable(GL_CULL_FACE); + } else { + if (cull_mode == RS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED) { + // Last time was disabled, so enable and set proper face. + glEnable(GL_CULL_FACE); + } + glCullFace(co->cull_mode == RS::CANVAS_OCCLUDER_POLYGON_CULL_CLOCKWISE ? GL_FRONT : GL_BACK); + } + cull_mode = co->cull_mode; + } + + glBindVertexArray(co->vertex_array); + glDrawElements(GL_TRIANGLES, 3 * co->line_point_count, GL_UNSIGNED_SHORT, 0); + + instance = instance->next; + } + } + + glBindVertexArray(0); + glBindFramebuffer(GL_FRAMEBUFFER, 0); + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); } void RasterizerCanvasGLES3::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) { + GLES3::Config *config = GLES3::Config::get_singleton(); + + CanvasLight *cl = canvas_light_owner.get_or_null(p_rid); + ERR_FAIL_COND(!cl->shadow.enabled); + + _update_shadow_atlas(); + + Vector2 light_dir = p_light_xform.columns[1].normalized(); + + Vector2 center = p_clip_rect.get_center(); + + 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(data.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.orthogonal(); + + to_light_xform.invert(); + + glBindFramebuffer(GL_FRAMEBUFFER, state.shadow_fb); + glViewport(0, p_shadow_index * 2, state.shadow_texture_size, 2); + + glDepthMask(GL_TRUE); + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_LESS); + glDisable(GL_BLEND); + + glEnable(GL_SCISSOR_TEST); + glScissor(0, p_shadow_index * 2, state.shadow_texture_size, 2); + glClearColor(1.0, 1.0, 1.0, 1.0); + glClearDepth(1.0); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glCullFace(GL_BACK); + glDisable(GL_CULL_FACE); + RS::CanvasOccluderPolygonCullMode cull_mode = RS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED; + + CanvasOcclusionShaderGLES3::ShaderVariant variant = config->float_texture_supported ? CanvasOcclusionShaderGLES3::MODE_SHADOW : CanvasOcclusionShaderGLES3::MODE_SHADOW_RGBA; + shadow_render.shader.version_bind_shader(shadow_render.shader_version, variant); + + Projection projection; + projection.set_orthogonal(-half_size, half_size, -0.5, 0.5, 0.0, distance); + projection = projection * Projection(Transform3D().looking_at(Vector3(0, 1, 0), Vector3(0, 0, -1)).affine_inverse()); + + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::PROJECTION, projection, shadow_render.shader_version, variant); + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::DIRECTION, 0.0, 1.0, shadow_render.shader_version, variant); + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::Z_FAR, distance, shadow_render.shader_version, variant); + + LightOccluderInstance *instance = p_occluders; + + while (instance) { + OccluderPolygon *co = occluder_polygon_owner.get_or_null(instance->occluder); + + if (!co || co->vertex_array == 0 || !(p_light_mask & instance->light_mask)) { + instance = instance->next; + continue; + } + + Transform2D modelview = to_light_xform * instance->xform_cache; + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::MODELVIEW1, modelview.columns[0][0], modelview.columns[1][0], 0, modelview.columns[2][0], shadow_render.shader_version, variant); + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::MODELVIEW2, modelview.columns[0][1], modelview.columns[1][1], 0, modelview.columns[2][1], shadow_render.shader_version, variant); + + if (co->cull_mode != cull_mode) { + if (co->cull_mode == RS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED) { + glDisable(GL_CULL_FACE); + } else { + if (cull_mode == RS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED) { + // Last time was disabled, so enable and set proper face. + glEnable(GL_CULL_FACE); + } + glCullFace(co->cull_mode == RS::CANVAS_OCCLUDER_POLYGON_CULL_CLOCKWISE ? GL_FRONT : GL_BACK); + } + cull_mode = co->cull_mode; + } + + glBindVertexArray(co->vertex_array); + glDrawElements(GL_TRIANGLES, 3 * co->line_point_count, GL_UNSIGNED_SHORT, 0); + + instance = instance->next; + } + + Transform2D to_shadow; + to_shadow.columns[0].x = 1.0 / -(half_size * 2.0); + to_shadow.columns[2].x = 0.5; + + cl->shadow.directional_xform = to_shadow * to_light_xform; + + glBindVertexArray(0); + glBindFramebuffer(GL_FRAMEBUFFER, 0); + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); + glDisable(GL_CULL_FACE); +} + +void RasterizerCanvasGLES3::_update_shadow_atlas() { + GLES3::Config *config = GLES3::Config::get_singleton(); + + if (state.shadow_fb == 0) { + glActiveTexture(GL_TEXTURE0); + + glGenFramebuffers(1, &state.shadow_fb); + glBindFramebuffer(GL_FRAMEBUFFER, state.shadow_fb); + + glGenRenderbuffers(1, &state.shadow_depth_buffer); + glBindRenderbuffer(GL_RENDERBUFFER, state.shadow_depth_buffer); + glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, state.shadow_texture_size, data.max_lights_per_render * 2); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, state.shadow_depth_buffer); + + glGenTextures(1, &state.shadow_texture); + glBindTexture(GL_TEXTURE_2D, state.shadow_texture); + if (config->float_texture_supported) { + glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, state.shadow_texture_size, data.max_lights_per_render * 2, 0, GL_RED, GL_FLOAT, nullptr); + } else { + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, state.shadow_texture_size, data.max_lights_per_render * 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, state.shadow_texture, 0); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + glDeleteFramebuffers(1, &state.shadow_fb); + glDeleteTextures(1, &state.shadow_texture); + glDeleteRenderbuffers(1, &state.shadow_depth_buffer); + state.shadow_fb = 0; + state.shadow_texture = 0; + state.shadow_depth_buffer = 0; + WARN_PRINT("Could not create CanvasItem shadow atlas, status: " + GLES3::TextureStorage::get_singleton()->get_framebuffer_error(status)); + } + glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo); + } } void RasterizerCanvasGLES3::render_sdf(RID p_render_target, LightOccluderInstance *p_occluders) { + GLES3::TextureStorage *texture_storage = GLES3::TextureStorage::get_singleton(); + + GLuint fb = texture_storage->render_target_get_sdf_framebuffer(p_render_target); + Rect2i rect = texture_storage->render_target_get_sdf_rect(p_render_target); + + Transform2D to_sdf; + to_sdf.columns[0] *= rect.size.width; + to_sdf.columns[1] *= rect.size.height; + to_sdf.columns[2] = rect.position; + + Transform2D to_clip; + to_clip.columns[0] *= 2.0; + to_clip.columns[1] *= 2.0; + to_clip.columns[2] = -Vector2(1.0, 1.0); + + to_clip = to_clip * to_sdf.affine_inverse(); + + glBindFramebuffer(GL_FRAMEBUFFER, fb); + glViewport(0, 0, rect.size.width, rect.size.height); + + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_BLEND); + glDisable(GL_CULL_FACE); + glDisable(GL_SCISSOR_TEST); + + glClearColor(0.0, 0.0, 0.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + + CanvasOcclusionShaderGLES3::ShaderVariant variant = CanvasOcclusionShaderGLES3::MODE_SDF; + shadow_render.shader.version_bind_shader(shadow_render.shader_version, variant); + + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::PROJECTION, Projection(), shadow_render.shader_version, variant); + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::DIRECTION, 0.0, 0.0, shadow_render.shader_version, variant); + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::Z_FAR, 0.0, shadow_render.shader_version, variant); + + LightOccluderInstance *instance = p_occluders; + + while (instance) { + OccluderPolygon *oc = occluder_polygon_owner.get_or_null(instance->occluder); + + if (!oc || oc->sdf_vertex_array == 0) { + instance = instance->next; + continue; + } + + Transform2D modelview = to_clip * instance->xform_cache; + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::MODELVIEW1, modelview.columns[0][0], modelview.columns[1][0], 0, modelview.columns[2][0], shadow_render.shader_version, variant); + shadow_render.shader.version_set_uniform(CanvasOcclusionShaderGLES3::MODELVIEW2, modelview.columns[0][1], modelview.columns[1][1], 0, modelview.columns[2][1], shadow_render.shader_version, variant); + + glBindVertexArray(oc->sdf_vertex_array); + glDrawElements(oc->sdf_is_lines ? GL_LINES : GL_TRIANGLES, oc->sdf_index_count, GL_UNSIGNED_INT, 0); + + instance = instance->next; + } + + texture_storage->render_target_sdf_process(p_render_target); //done rendering, process it + glBindVertexArray(0); + glBindFramebuffer(GL_FRAMEBUFFER, 0); } RID RasterizerCanvasGLES3::occluder_polygon_create() { - return RID(); + OccluderPolygon occluder; + + return occluder_polygon_owner.make_rid(occluder); } void RasterizerCanvasGLES3::occluder_polygon_set_shape(RID p_occluder, const Vector<Vector2> &p_points, bool p_closed) { + OccluderPolygon *oc = occluder_polygon_owner.get_or_null(p_occluder); + ERR_FAIL_COND(!oc); + + Vector<Vector2> lines; + + if (p_points.size()) { + int lc = p_points.size() * 2; + + lines.resize(lc - (p_closed ? 0 : 2)); + { + Vector2 *w = lines.ptrw(); + const Vector2 *r = p_points.ptr(); + + int max = lc / 2; + if (!p_closed) { + max--; + } + for (int i = 0; i < max; i++) { + Vector2 a = r[i]; + Vector2 b = r[(i + 1) % (lc / 2)]; + w[i * 2 + 0] = a; + w[i * 2 + 1] = b; + } + } + } + + if (oc->line_point_count != lines.size() && oc->vertex_array != 0) { + glDeleteVertexArrays(1, &oc->vertex_array); + glDeleteBuffers(1, &oc->vertex_buffer); + glDeleteBuffers(1, &oc->index_buffer); + + oc->vertex_array = 0; + oc->vertex_buffer = 0; + oc->index_buffer = 0; + } + + if (lines.size()) { + Vector<uint8_t> geometry; + Vector<uint8_t> indices; + int lc = lines.size(); + + geometry.resize(lc * 6 * sizeof(float)); + indices.resize(lc * 3 * sizeof(uint16_t)); + + { + uint8_t *vw = geometry.ptrw(); + float *vwptr = reinterpret_cast<float *>(vw); + uint8_t *iw = indices.ptrw(); + uint16_t *iwptr = (uint16_t *)iw; + + const Vector2 *lr = lines.ptr(); + + const int POLY_HEIGHT = 16384; + + for (int i = 0; i < lc / 2; i++) { + vwptr[i * 12 + 0] = lr[i * 2 + 0].x; + vwptr[i * 12 + 1] = lr[i * 2 + 0].y; + vwptr[i * 12 + 2] = POLY_HEIGHT; + + vwptr[i * 12 + 3] = lr[i * 2 + 1].x; + vwptr[i * 12 + 4] = lr[i * 2 + 1].y; + vwptr[i * 12 + 5] = POLY_HEIGHT; + + vwptr[i * 12 + 6] = lr[i * 2 + 1].x; + vwptr[i * 12 + 7] = lr[i * 2 + 1].y; + vwptr[i * 12 + 8] = -POLY_HEIGHT; + + vwptr[i * 12 + 9] = lr[i * 2 + 0].x; + vwptr[i * 12 + 10] = lr[i * 2 + 0].y; + vwptr[i * 12 + 11] = -POLY_HEIGHT; + + iwptr[i * 6 + 0] = i * 4 + 0; + iwptr[i * 6 + 1] = i * 4 + 1; + iwptr[i * 6 + 2] = i * 4 + 2; + + iwptr[i * 6 + 3] = i * 4 + 2; + iwptr[i * 6 + 4] = i * 4 + 3; + iwptr[i * 6 + 5] = i * 4 + 0; + } + } + + if (oc->vertex_array == 0) { + oc->line_point_count = lc; + glGenVertexArrays(1, &oc->vertex_array); + glBindVertexArray(oc->vertex_array); + glGenBuffers(1, &oc->vertex_buffer); + glBindBuffer(GL_ARRAY_BUFFER, oc->vertex_buffer); + + glBufferData(GL_ARRAY_BUFFER, lc * 6 * sizeof(float), geometry.ptr(), GL_STATIC_DRAW); + glEnableVertexAttribArray(RS::ARRAY_VERTEX); + glVertexAttribPointer(RS::ARRAY_VERTEX, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), nullptr); + + glGenBuffers(1, &oc->index_buffer); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, oc->index_buffer); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, 3 * lc * sizeof(uint16_t), indices.ptr(), GL_STATIC_DRAW); + glBindVertexArray(0); + } else { + glBindVertexArray(oc->vertex_array); + glBindBuffer(GL_ARRAY_BUFFER, oc->vertex_buffer); + glBufferData(GL_ARRAY_BUFFER, lc * 6 * sizeof(float), geometry.ptr(), GL_STATIC_DRAW); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, oc->index_buffer); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, 3 * lc * sizeof(uint16_t), indices.ptr(), GL_STATIC_DRAW); + } + } + + // sdf + + Vector<int> sdf_indices; + + if (p_points.size()) { + if (p_closed) { + sdf_indices = Geometry2D::triangulate_polygon(p_points); + oc->sdf_is_lines = false; + } else { + int max = p_points.size(); + sdf_indices.resize(max * 2); + + int *iw = sdf_indices.ptrw(); + for (int i = 0; i < max; i++) { + iw[i * 2 + 0] = i; + iw[i * 2 + 1] = (i + 1) % max; + } + oc->sdf_is_lines = true; + } + } + + if (oc->sdf_index_count != sdf_indices.size() && oc->sdf_point_count != p_points.size() && oc->sdf_vertex_array != 0) { + glDeleteVertexArrays(1, &oc->sdf_vertex_array); + glDeleteBuffers(1, &oc->sdf_vertex_buffer); + glDeleteBuffers(1, &oc->sdf_index_buffer); + + oc->sdf_vertex_array = 0; + oc->sdf_vertex_buffer = 0; + oc->sdf_index_buffer = 0; + + oc->sdf_index_count = sdf_indices.size(); + oc->sdf_point_count = p_points.size(); + } + + if (sdf_indices.size()) { + if (oc->sdf_vertex_array == 0) { + oc->sdf_index_count = sdf_indices.size(); + oc->sdf_point_count = p_points.size(); + glGenVertexArrays(1, &oc->sdf_vertex_array); + glBindVertexArray(oc->sdf_vertex_array); + glGenBuffers(1, &oc->sdf_vertex_buffer); + glBindBuffer(GL_ARRAY_BUFFER, oc->sdf_vertex_buffer); + + glBufferData(GL_ARRAY_BUFFER, p_points.size() * 2 * sizeof(float), p_points.to_byte_array().ptr(), GL_STATIC_DRAW); + glEnableVertexAttribArray(RS::ARRAY_VERTEX); + glVertexAttribPointer(RS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float), nullptr); + + glGenBuffers(1, &oc->sdf_index_buffer); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, oc->sdf_index_buffer); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, sdf_indices.size() * sizeof(uint32_t), sdf_indices.to_byte_array().ptr(), GL_STATIC_DRAW); + glBindVertexArray(0); + } else { + glBindBuffer(GL_ARRAY_BUFFER, oc->sdf_vertex_buffer); + glBufferData(GL_ARRAY_BUFFER, p_points.size() * 2 * sizeof(float), p_points.to_byte_array().ptr(), GL_STATIC_DRAW); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, oc->sdf_index_buffer); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, sdf_indices.size() * sizeof(uint32_t), sdf_indices.to_byte_array().ptr(), GL_STATIC_DRAW); + glBindBuffer(GL_ARRAY_BUFFER, 0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + } + } } void RasterizerCanvasGLES3::occluder_polygon_set_cull_mode(RID p_occluder, RS::CanvasOccluderPolygonCullMode p_mode) { + OccluderPolygon *oc = occluder_polygon_owner.get_or_null(p_occluder); + ERR_FAIL_COND(!oc); + oc->cull_mode = p_mode; } void RasterizerCanvasGLES3::set_shadow_texture_size(int p_size) { + GLES3::Config *config = GLES3::Config::get_singleton(); + p_size = nearest_power_of_2_templated(p_size); + if (p_size == state.shadow_texture_size) { + return; + } + + if (p_size > config->max_texture_size) { + p_size = config->max_texture_size; + WARN_PRINT("Attempting to set CanvasItem shadow atlas size to " + itos(p_size) + " which is beyond limit of " + itos(config->max_texture_size) + "supported by hardware."); + } + + state.shadow_texture_size = p_size; } bool RasterizerCanvasGLES3::free(RID p_rid) { @@ -1413,6 +1914,9 @@ bool RasterizerCanvasGLES3::free(RID p_rid) { CanvasLight *cl = canvas_light_owner.get_or_null(p_rid); ERR_FAIL_COND_V(!cl, false); canvas_light_owner.free(p_rid); + } else if (occluder_polygon_owner.owns(p_rid)) { + occluder_polygon_set_shape(p_rid, Vector<Vector2>(), false); + occluder_polygon_owner.free(p_rid); } else { return false; } @@ -1612,16 +2116,16 @@ void RasterizerCanvasGLES3::reset_canvas() { glEnable(GL_BLEND); glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE); + glActiveTexture(GL_TEXTURE0 + GLES3::Config::get_singleton()->max_texture_image_units - 2); + glBindTexture(GL_TEXTURE_2D, 0); + glActiveTexture(GL_TEXTURE0 + GLES3::Config::get_singleton()->max_texture_image_units - 3); + glBindTexture(GL_TEXTURE_2D, 0); + glActiveTexture(GL_TEXTURE0); + glBindBuffer(GL_ARRAY_BUFFER, 0); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); } -void RasterizerCanvasGLES3::canvas_debug_viewport_shadows(Light *p_lights_with_shadow) { -} - -void RasterizerCanvasGLES3::canvas_light_shadow_buffer_update(RID p_buffer, const Transform2D &p_light_xform, int p_light_mask, float p_near, float p_far, LightOccluderInstance *p_occluders, Projection *p_xform_cache) { -} - void RasterizerCanvasGLES3::draw_lens_distortion_rect(const Rect2 &p_rect, float p_k1, float p_k2, const Vector2 &p_eye_center, float p_oversample) { } @@ -1652,7 +2156,6 @@ RendererCanvasRender::PolygonID RasterizerCanvasGLES3::request_polygon(const Vec polygon_buffer.resize(buffer_size * sizeof(float)); { glBindBuffer(GL_ARRAY_BUFFER, pb.vertex_buffer); - glBufferData(GL_ARRAY_BUFFER, stride * vertex_count * sizeof(float), nullptr, GL_STATIC_DRAW); // TODO may not be necessary uint8_t *r = polygon_buffer.ptrw(); float *fptr = reinterpret_cast<float *>(r); uint32_t *uptr = (uint32_t *)r; @@ -1761,7 +2264,6 @@ RendererCanvasRender::PolygonID RasterizerCanvasGLES3::request_polygon(const Vec } glGenBuffers(1, &pb.index_buffer); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, pb.index_buffer); - glBufferData(GL_ELEMENT_ARRAY_BUFFER, p_indices.size() * 4, nullptr, GL_STATIC_DRAW); // TODO may not be necessary glBufferData(GL_ELEMENT_ARRAY_BUFFER, p_indices.size() * 4, index_buffer.ptr(), GL_STATIC_DRAW); pb.count = p_indices.size(); } @@ -2053,6 +2555,9 @@ RasterizerCanvasGLES3::RasterizerCanvasGLES3() { data.canvas_shader_default_version = GLES3::MaterialStorage::get_singleton()->shaders.canvas_shader.version_create(); GLES3::MaterialStorage::get_singleton()->shaders.canvas_shader.version_bind_shader(data.canvas_shader_default_version, CanvasShaderGLES3::MODE_QUAD); + shadow_render.shader.initialize(); + shadow_render.shader_version = shadow_render.shader.version_create(); + { default_canvas_group_shader = material_storage->shader_allocate(); material_storage->shader_initialize(default_canvas_group_shader); @@ -2078,6 +2583,26 @@ void fragment() { material_storage->material_set_shader(default_canvas_group_material, default_canvas_group_shader); } + { + default_clip_children_shader = material_storage->shader_allocate(); + material_storage->shader_initialize(default_clip_children_shader); + + material_storage->shader_set_code(default_clip_children_shader, R"( +// Default clip children shader. + +shader_type canvas_item; + +void fragment() { + vec4 c = textureLod(SCREEN_TEXTURE, SCREEN_UV, 0.0); + COLOR.rgb = c.rgb; +} +)"); + default_clip_children_material = material_storage->material_allocate(); + material_storage->material_initialize(default_clip_children_material); + + material_storage->material_set_shader(default_clip_children_material, default_clip_children_shader); + } + default_canvas_texture = texture_storage->canvas_texture_allocate(); texture_storage->canvas_texture_initialize(default_canvas_texture); @@ -2085,11 +2610,15 @@ void fragment() { } RasterizerCanvasGLES3::~RasterizerCanvasGLES3() { - GLES3::MaterialStorage *material_storage = GLES3::MaterialStorage::get_singleton(); + singleton = nullptr; + GLES3::MaterialStorage *material_storage = GLES3::MaterialStorage::get_singleton(); material_storage->shaders.canvas_shader.version_free(data.canvas_shader_default_version); + shadow_render.shader.version_free(shadow_render.shader_version); material_storage->material_free(default_canvas_group_material); material_storage->shader_free(default_canvas_group_shader); + material_storage->material_free(default_clip_children_material); + material_storage->shader_free(default_clip_children_shader); singleton = nullptr; glDeleteBuffers(1, &data.canvas_quad_vertices); @@ -2101,6 +2630,15 @@ RasterizerCanvasGLES3::~RasterizerCanvasGLES3() { GLES3::TextureStorage::get_singleton()->canvas_texture_free(default_canvas_texture); memdelete_arr(state.instance_data_array); memdelete_arr(state.light_uniforms); + + if (state.shadow_fb != 0) { + glDeleteFramebuffers(1, &state.shadow_fb); + glDeleteTextures(1, &state.shadow_texture); + glDeleteRenderbuffers(1, &state.shadow_depth_buffer); + state.shadow_fb = 0; + state.shadow_texture = 0; + state.shadow_depth_buffer = 0; + } } #endif // GLES3_ENABLED |