diff options
Diffstat (limited to 'drivers/gles3/rasterizer_canvas_gles3.cpp')
-rw-r--r-- | drivers/gles3/rasterizer_canvas_gles3.cpp | 302 |
1 files changed, 272 insertions, 30 deletions
diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp index ab232e712c..8c4234fe3c 100644 --- a/drivers/gles3/rasterizer_canvas_gles3.cpp +++ b/drivers/gles3/rasterizer_canvas_gles3.cpp @@ -115,7 +115,7 @@ void RasterizerCanvasGLES3::_update_transform_to_mat4(const Transform3D &p_trans p_mat4[15] = 1; } -void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_item_list, const Color &p_modulate, Light *p_light_list, Light *p_directional_list, const Transform2D &p_canvas_transform, RS::CanvasItemTextureFilter p_default_filter, RS::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_vertices_to_pixel, bool &r_sdf_used) { +void RasterizerCanvasGLES3::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, bool &r_sdf_used) { GLES3::TextureStorage *texture_storage = GLES3::TextureStorage::get_singleton(); GLES3::MaterialStorage *material_storage = GLES3::MaterialStorage::get_singleton(); @@ -144,9 +144,173 @@ void RasterizerCanvasGLES3::canvas_render_items(RID p_to_render_target, Item *p_ } } - // TODO: Setup Directional Lights + //setup directional lights if exist - // TODO: Setup lights + uint32_t light_count = 0; + uint32_t directional_light_count = 0; + { + Light *l = p_directional_light_list; + uint32_t index = 0; + + while (l) { + if (index == data.max_lights_per_render) { + l->render_index_cache = -1; + l = l->next_ptr; + continue; + } + + CanvasLight *clight = canvas_light_owner.get_or_null(l->light_internal); + if (!clight) { //unused or invalid texture + l->render_index_cache = -1; + l = l->next_ptr; + ERR_CONTINUE(!clight); + } + + Vector2 canvas_light_dir = l->xform_cache.columns[1].normalized(); + + 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); + + state.light_uniforms[index].height = l->height; //0..1 here + + 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; + state.using_directional_lights = directional_light_count > 0; + } + + //setup lights if exist + + { + Light *l = p_light_list; + uint32_t index = light_count; + + while (l) { + if (index == data.max_lights_per_render) { + l->render_index_cache = -1; + l = l->next_ptr; + continue; + } + + CanvasLight *clight = canvas_light_owner.get_or_null(l->light_internal); + if (!clight) { //unused or invalid texture + l->render_index_cache = -1; + l = l->next_ptr; + ERR_CONTINUE(!clight); + } + Transform2D to_light_xform = (p_canvas_transform * l->light_shader_xform).affine_inverse(); + + Vector2 canvas_light_pos = p_canvas_transform.xform(l->xform.get_origin()); //convert light position to canvas coordinates, as all computation is done in canvas coords to avoid precision loss + state.light_uniforms[index].position[0] = canvas_light_pos.x; + state.light_uniforms[index].position[1] = canvas_light_pos.y; + + _update_transform_2d_to_mat2x4(to_light_xform, state.light_uniforms[index].matrix); + _update_transform_2d_to_mat2x4(l->xform_cache.affine_inverse(), state.light_uniforms[index].shadow_matrix); + + state.light_uniforms[index].height = l->height * (p_canvas_transform.columns[0].length() + p_canvas_transform.columns[1].length()) * 0.5; //approximate height conversion to the canvas size, since all calculations are done in canvas coords to avoid precision loss + 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; + } + */ + + if (clight->texture.is_valid()) { + Rect2 atlas_rect = GLES3::TextureStorage::get_singleton()->texture_atlas_get_texture_rect(clight->texture); + state.light_uniforms[index].atlas_rect[0] = atlas_rect.position.x; + state.light_uniforms[index].atlas_rect[1] = atlas_rect.position.y; + state.light_uniforms[index].atlas_rect[2] = atlas_rect.size.width; + state.light_uniforms[index].atlas_rect[3] = atlas_rect.size.height; + + } else { + state.light_uniforms[index].atlas_rect[0] = 0; + state.light_uniforms[index].atlas_rect[1] = 0; + state.light_uniforms[index].atlas_rect[2] = 0; + state.light_uniforms[index].atlas_rect[3] = 0; + } + + l->render_index_cache = index; + + index++; + l = l->next_ptr; + } + + light_count = index; + } + + if (light_count > 0) { + glBindBufferBase(GL_UNIFORM_BUFFER, LIGHT_UNIFORM_LOCATION, state.canvas_instance_data_buffers[state.current_buffer].light_ubo); + +#ifdef WEB_ENABLED + glBufferSubData(GL_UNIFORM_BUFFER, 0, sizeof(LightUniform) * light_count, state.light_uniforms); +#else + // On Desktop and mobile we map the memory without synchronizing for maximum speed. + void *ubo = glMapBufferRange(GL_UNIFORM_BUFFER, 0, sizeof(LightUniform) * light_count, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT); + memcpy(ubo, state.light_uniforms, sizeof(LightUniform) * light_count); + glUnmapBuffer(GL_UNIFORM_BUFFER); +#endif + + GLuint texture_atlas = texture_storage->texture_atlas_get_texture(); + if (texture_atlas == 0) { + GLES3::Texture *tex = texture_storage->get_texture(texture_storage->texture_gl_get_default(GLES3::DEFAULT_GL_TEXTURE_WHITE)); + texture_atlas = tex->tex_id; + } + glActiveTexture(GL_TEXTURE0 + GLES3::Config::get_singleton()->max_texture_image_units - 2); + glBindTexture(GL_TEXTURE_2D, texture_atlas); + } { //update canvas state uniform buffer @@ -175,13 +339,12 @@ 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; - // TODO: temporary, this should be set at the top of this function 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; - state_buffer.directional_light_count = 0; //directional_light_count; + state_buffer.directional_light_count = directional_light_count; Vector2 canvas_scale = p_canvas_transform.get_scale(); @@ -200,7 +363,7 @@ 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_state_buffer); + 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); GLuint global_buffer = material_storage->global_shader_parameters_get_uniform_buffer(); @@ -440,7 +603,9 @@ void RasterizerCanvasGLES3::_render_items(RID p_to_render_target, int p_item_cou GLES3::CanvasMaterialData *material_data = state.canvas_instance_batches[i].material_data; CanvasShaderGLES3::ShaderVariant variant = state.canvas_instance_batches[i].shader_variant; - _bind_material(material_data, variant); + uint64_t specialization = 0; + specialization |= uint64_t(state.canvas_instance_batches[i].lights_disabled); + _bind_material(material_data, variant, specialization); GLES3::CanvasShaderData::BlendMode blend_mode = state.canvas_instance_batches[i].blend_mode; @@ -552,6 +717,38 @@ void RasterizerCanvasGLES3::_record_item_commands(const Item *p_item, const Tran bool skipping = false; + // TODO: consider making lights a per-batch property and then baking light operations in the shader for better performance. + uint32_t lights[4] = { 0, 0, 0, 0 }; + + uint16_t light_count = 0; + + { + Light *light = p_lights; + + while (light) { + if (light->render_index_cache >= 0 && p_item->light_mask & light->item_mask && p_item->z_final >= light->z_min && p_item->z_final <= light->z_max && p_item->global_rect_cache.intersects_transformed(light->xform_cache, light->rect_cache)) { + uint32_t light_index = light->render_index_cache; + lights[light_count >> 2] |= light_index << ((light_count & 3) * 8); + + light_count++; + + if (light_count == data.max_lights_per_item) { + break; + } + } + light = light->next_ptr; + } + + base_flags |= light_count << FLAGS_LIGHT_COUNT_SHIFT; + } + + bool lights_disabled = light_count == 0 && !state.using_directional_lights; + + if (lights_disabled != state.canvas_instance_batches[state.current_batch_index].lights_disabled) { + _new_batch(r_batch_broken, r_index); + state.canvas_instance_batches[state.current_batch_index].lights_disabled = lights_disabled; + } + const Item::Command *c = p_item->commands; while (c) { if (skipping && c->type != Item::Command::TYPE_ANIMATION_SLICE) { @@ -578,6 +775,11 @@ void RasterizerCanvasGLES3::_record_item_commands(const Item *p_item, const Tran state.instance_data_array[r_index].pad[0] = 0.0; state.instance_data_array[r_index].pad[1] = 0.0; + state.instance_data_array[r_index].lights[0] = lights[0]; + state.instance_data_array[r_index].lights[1] = lights[1]; + state.instance_data_array[r_index].lights[2] = lights[2]; + state.instance_data_array[r_index].lights[3] = lights[3]; + state.instance_data_array[r_index].flags = base_flags | (state.instance_data_array[r_index == 0 ? 0 : r_index - 1].flags & (FLAGS_DEFAULT_NORMAL_MAP_USED | FLAGS_DEFAULT_SPECULAR_MAP_USED)); //reset on each command for sanity, keep canvastexture binding config Color blend_color; @@ -1138,25 +1340,41 @@ void RasterizerCanvasGLES3::_new_batch(bool &r_batch_broken, uint32_t &r_index) _align_instance_data_buffer(r_index); } -void RasterizerCanvasGLES3::_bind_material(GLES3::CanvasMaterialData *p_material_data, CanvasShaderGLES3::ShaderVariant p_variant) { +void RasterizerCanvasGLES3::_bind_material(GLES3::CanvasMaterialData *p_material_data, CanvasShaderGLES3::ShaderVariant p_variant, uint64_t p_specialization) { if (p_material_data) { if (p_material_data->shader_data->version.is_valid() && p_material_data->shader_data->valid) { // Bind uniform buffer and textures p_material_data->bind_uniforms(); - GLES3::MaterialStorage::get_singleton()->shaders.canvas_shader.version_bind_shader(p_material_data->shader_data->version, p_variant); + GLES3::MaterialStorage::get_singleton()->shaders.canvas_shader.version_bind_shader(p_material_data->shader_data->version, p_variant, p_specialization); } else { - GLES3::MaterialStorage::get_singleton()->shaders.canvas_shader.version_bind_shader(data.canvas_shader_default_version, p_variant); + GLES3::MaterialStorage::get_singleton()->shaders.canvas_shader.version_bind_shader(data.canvas_shader_default_version, p_variant, p_specialization); } } else { - GLES3::MaterialStorage::get_singleton()->shaders.canvas_shader.version_bind_shader(data.canvas_shader_default_version, p_variant); + GLES3::MaterialStorage::get_singleton()->shaders.canvas_shader.version_bind_shader(data.canvas_shader_default_version, p_variant, p_specialization); } } RID RasterizerCanvasGLES3::light_create() { - return RID(); + CanvasLight canvas_light; + return canvas_light_owner.make_rid(canvas_light); } void RasterizerCanvasGLES3::light_set_texture(RID p_rid, RID p_texture) { + GLES3::TextureStorage *texture_storage = GLES3::TextureStorage::get_singleton(); + + CanvasLight *cl = canvas_light_owner.get_or_null(p_rid); + ERR_FAIL_COND(!cl); + if (cl->texture == p_texture) { + return; + } + if (cl->texture.is_valid()) { + texture_storage->texture_remove_from_texture_atlas(cl->texture); + } + cl->texture = p_texture; + + if (cl->texture.is_valid()) { + texture_storage->texture_add_to_texture_atlas(cl->texture); + } } void RasterizerCanvasGLES3::light_set_use_shadow(RID p_rid, bool p_enable) { @@ -1185,6 +1403,14 @@ void RasterizerCanvasGLES3::set_shadow_texture_size(int p_size) { } bool RasterizerCanvasGLES3::free(RID p_rid) { + if (canvas_light_owner.owns(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 { + return false; + } + return true; } @@ -1355,7 +1581,7 @@ void RasterizerCanvasGLES3::_prepare_canvas_texture(RID p_texture, RS::CanvasIte state.instance_data_array[r_index].flags &= ~FLAGS_DEFAULT_SPECULAR_MAP_USED; } - if (!normal_map) { + if (normal_map) { state.instance_data_array[r_index].flags |= FLAGS_DEFAULT_NORMAL_MAP_USED; } else { state.instance_data_array[r_index].flags &= ~FLAGS_DEFAULT_NORMAL_MAP_USED; @@ -1565,13 +1791,23 @@ void RasterizerCanvasGLES3::free_polygon(PolygonID p_polygon) { // In theory allocations can reach as high as number of windows * 3 frames // because OpenGL can start rendering subsequent frames before finishing the current one void RasterizerCanvasGLES3::_allocate_instance_data_buffer() { - GLuint new_buffer; - glGenBuffers(1, &new_buffer); - glBindBuffer(GL_UNIFORM_BUFFER, new_buffer); - glBufferData(GL_UNIFORM_BUFFER, data.max_instance_buffer_size, nullptr, GL_DYNAMIC_DRAW); + GLuint new_buffers[3]; + glGenBuffers(3, new_buffers); + // Batch UBO. + glBindBuffer(GL_UNIFORM_BUFFER, new_buffers[0]); + glBufferData(GL_UNIFORM_BUFFER, data.max_instance_buffer_size, nullptr, GL_STREAM_DRAW); + // Light uniform buffer. + glBindBuffer(GL_UNIFORM_BUFFER, new_buffers[1]); + glBufferData(GL_UNIFORM_BUFFER, sizeof(LightUniform) * data.max_lights_per_render, nullptr, GL_STREAM_DRAW); + // State buffer. + glBindBuffer(GL_UNIFORM_BUFFER, new_buffers[2]); + glBufferData(GL_UNIFORM_BUFFER, sizeof(StateBuffer), nullptr, GL_STREAM_DRAW); + state.current_buffer = (state.current_buffer + 1); DataBuffer db; - db.ubo = new_buffer; + db.ubo = new_buffers[0]; + db.light_ubo = new_buffers[1]; + db.state_ubo = new_buffers[2]; db.last_frame_used = RSG::rasterizer->get_frame_number(); state.canvas_instance_data_buffers.insert(state.current_buffer, db); state.current_buffer = state.current_buffer % state.canvas_instance_data_buffers.size(); @@ -1753,12 +1989,21 @@ RasterizerCanvasGLES3::RasterizerCanvasGLES3() { state.canvas_instance_batches.reserve(200); for (int i = 0; i < 3; i++) { - GLuint new_buffer; - glGenBuffers(1, &new_buffer); - glBindBuffer(GL_UNIFORM_BUFFER, new_buffer); - glBufferData(GL_UNIFORM_BUFFER, data.max_instance_buffer_size, nullptr, GL_DYNAMIC_DRAW); + GLuint new_buffers[3]; + glGenBuffers(3, new_buffers); + // Batch UBO. + glBindBuffer(GL_UNIFORM_BUFFER, new_buffers[0]); + glBufferData(GL_UNIFORM_BUFFER, data.max_instance_buffer_size, nullptr, GL_STREAM_DRAW); + // Light uniform buffer. + glBindBuffer(GL_UNIFORM_BUFFER, new_buffers[1]); + glBufferData(GL_UNIFORM_BUFFER, sizeof(LightUniform) * data.max_lights_per_render, nullptr, GL_STREAM_DRAW); + // State buffer. + glBindBuffer(GL_UNIFORM_BUFFER, new_buffers[2]); + glBufferData(GL_UNIFORM_BUFFER, sizeof(StateBuffer), nullptr, GL_STREAM_DRAW); DataBuffer db; - db.ubo = new_buffer; + db.ubo = new_buffers[0]; + db.light_ubo = new_buffers[1]; + db.state_ubo = new_buffers[2]; db.last_frame_used = 0; db.fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); state.canvas_instance_data_buffers[i] = db; @@ -1766,6 +2011,7 @@ RasterizerCanvasGLES3::RasterizerCanvasGLES3() { glBindBuffer(GL_UNIFORM_BUFFER, 0); state.instance_data_array = memnew_arr(InstanceData, data.max_instances_per_ubo); + state.light_uniforms = memnew_arr(LightUniform, data.max_lights_per_render); { const uint32_t no_of_instances = data.max_instances_per_batch; @@ -1792,14 +2038,9 @@ RasterizerCanvasGLES3::RasterizerCanvasGLES3() { delete[] indices; } - glGenBuffers(1, &state.canvas_state_buffer); - glBindBuffer(GL_UNIFORM_BUFFER, state.canvas_state_buffer); - glBufferData(GL_UNIFORM_BUFFER, sizeof(StateBuffer), nullptr, GL_STREAM_DRAW); - glBindBuffer(GL_UNIFORM_BUFFER, 0); - String global_defines; global_defines += "#define MAX_GLOBAL_SHADER_UNIFORMS 256\n"; // TODO: this is arbitrary for now - global_defines += "#define MAX_LIGHTS " + itos(data.max_instances_per_batch) + "\n"; + global_defines += "#define MAX_LIGHTS " + itos(data.max_lights_per_render) + "\n"; global_defines += "#define MAX_DRAW_DATA_INSTANCES " + itos(data.max_instances_per_batch) + "\n"; GLES3::MaterialStorage::get_singleton()->shaders.canvas_shader.initialize(global_defines); @@ -1852,7 +2093,8 @@ RasterizerCanvasGLES3::~RasterizerCanvasGLES3() { glDeleteVertexArrays(1, &data.canvas_quad_array); GLES3::TextureStorage::get_singleton()->canvas_texture_free(default_canvas_texture); - memfree(state.instance_data_array); + memdelete_arr(state.instance_data_array); + memdelete_arr(state.light_uniforms); } #endif // GLES3_ENABLED |