e2c6daf7ef
- Implements asynchronous transfer queues from PR #87590. - Adds ubershaders that can run with specialization constants specified as push constants. - Pipelines with specialization constants can compile in the background. - Added monitoring for pipeline compilations. - Materials and shaders can now be created asynchronously on background threads. - Meshes that are loaded on background threads can also compile pipelines as part of the loading process.
391 lines
14 KiB
C++
391 lines
14 KiB
C++
/**************************************************************************/
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/* rasterizer_canvas_gles3.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef RASTERIZER_CANVAS_GLES3_H
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#define RASTERIZER_CANVAS_GLES3_H
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#ifdef GLES3_ENABLED
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#include "rasterizer_scene_gles3.h"
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#include "servers/rendering/renderer_canvas_render.h"
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#include "servers/rendering/renderer_compositor.h"
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#include "storage/material_storage.h"
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#include "storage/texture_storage.h"
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#include "drivers/gles3/shaders/canvas.glsl.gen.h"
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#include "drivers/gles3/shaders/canvas_occlusion.glsl.gen.h"
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class RasterizerSceneGLES3;
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class RasterizerCanvasGLES3 : public RendererCanvasRender {
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static RasterizerCanvasGLES3 *singleton;
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_FORCE_INLINE_ void _update_transform_2d_to_mat2x4(const Transform2D &p_transform, float *p_mat2x4);
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_FORCE_INLINE_ void _update_transform_2d_to_mat2x3(const Transform2D &p_transform, float *p_mat2x3);
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_FORCE_INLINE_ void _update_transform_2d_to_mat4(const Transform2D &p_transform, float *p_mat4);
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_FORCE_INLINE_ void _update_transform_to_mat4(const Transform3D &p_transform, float *p_mat4);
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enum {
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FLAGS_INSTANCING_MASK = 0x7F,
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FLAGS_INSTANCING_HAS_COLORS = (1 << 7),
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FLAGS_INSTANCING_HAS_CUSTOM_DATA = (1 << 8),
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FLAGS_CLIP_RECT_UV = (1 << 9),
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FLAGS_TRANSPOSE_RECT = (1 << 10),
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FLAGS_NINEPACH_DRAW_CENTER = (1 << 12),
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FLAGS_USE_SKELETON = (1 << 15),
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FLAGS_NINEPATCH_H_MODE_SHIFT = 16,
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FLAGS_NINEPATCH_V_MODE_SHIFT = 18,
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FLAGS_LIGHT_COUNT_SHIFT = 20,
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FLAGS_DEFAULT_NORMAL_MAP_USED = (1 << 26),
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FLAGS_DEFAULT_SPECULAR_MAP_USED = (1 << 27),
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FLAGS_USE_MSDF = (1 << 28),
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FLAGS_USE_LCD = (1 << 29),
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FLAGS_FLIP_H = (1 << 30),
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FLAGS_FLIP_V = (1 << 31),
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};
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enum {
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LIGHT_FLAGS_TEXTURE_MASK = 0xFFFF,
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LIGHT_FLAGS_BLEND_SHIFT = 16,
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LIGHT_FLAGS_BLEND_MASK = (3 << 16),
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LIGHT_FLAGS_BLEND_MODE_ADD = (0 << 16),
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LIGHT_FLAGS_BLEND_MODE_SUB = (1 << 16),
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LIGHT_FLAGS_BLEND_MODE_MIX = (2 << 16),
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LIGHT_FLAGS_BLEND_MODE_MASK = (3 << 16),
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LIGHT_FLAGS_HAS_SHADOW = (1 << 20),
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LIGHT_FLAGS_FILTER_SHIFT = 22
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};
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enum {
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MAX_RENDER_ITEMS = 256 * 1024,
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MAX_LIGHT_TEXTURES = 1024,
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MAX_LIGHTS_PER_ITEM = 16,
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DEFAULT_MAX_LIGHTS_PER_RENDER = 256,
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};
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/******************/
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/**** LIGHTING ****/
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/******************/
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struct CanvasLight {
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RID texture;
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struct {
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bool enabled = false;
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float z_far;
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float y_offset;
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Transform2D directional_xform;
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} shadow;
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};
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RID_Owner<CanvasLight> canvas_light_owner;
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struct OccluderPolygon {
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RS::CanvasOccluderPolygonCullMode cull_mode = RS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED;
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int line_point_count = 0;
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GLuint vertex_buffer = 0;
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GLuint vertex_array = 0;
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GLuint index_buffer = 0;
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int sdf_point_count = 0;
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int sdf_index_count = 0;
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GLuint sdf_vertex_buffer = 0;
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GLuint sdf_vertex_array = 0;
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GLuint sdf_index_buffer = 0;
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bool sdf_is_lines = false;
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};
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RID_Owner<OccluderPolygon> occluder_polygon_owner;
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void _update_shadow_atlas();
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struct {
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CanvasOcclusionShaderGLES3 shader;
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RID shader_version;
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} shadow_render;
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struct LightUniform {
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float matrix[8]; //light to texture coordinate matrix
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float shadow_matrix[8]; //light to shadow coordinate matrix
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float color[4];
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uint8_t shadow_color[4];
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uint32_t flags; //index to light texture
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float shadow_pixel_size;
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float height;
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float position[2];
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float shadow_z_far_inv;
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float shadow_y_ofs;
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float atlas_rect[4];
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};
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static_assert(sizeof(LightUniform) % 16 == 0, "2D light UBO size must be a multiple of 16 bytes");
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public:
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enum {
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BASE_UNIFORM_LOCATION = 0,
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GLOBAL_UNIFORM_LOCATION = 1,
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LIGHT_UNIFORM_LOCATION = 2,
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INSTANCE_UNIFORM_LOCATION = 3,
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MATERIAL_UNIFORM_LOCATION = 4,
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};
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struct StateBuffer {
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float canvas_transform[16];
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float screen_transform[16];
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float canvas_normal_transform[16];
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float canvas_modulate[4];
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float screen_pixel_size[2];
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float time;
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uint32_t use_pixel_snap;
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float sdf_to_tex[4];
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float sdf_to_screen[2];
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float screen_to_sdf[2];
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uint32_t directional_light_count;
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float tex_to_sdf;
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uint32_t pad1;
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uint32_t pad2;
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};
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static_assert(sizeof(StateBuffer) % 16 == 0, "2D state UBO size must be a multiple of 16 bytes");
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struct PolygonBuffers {
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GLuint vertex_buffer = 0;
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GLuint vertex_array = 0;
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GLuint index_buffer = 0;
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int count = 0;
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bool color_disabled = false;
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Color color = Color(1.0, 1.0, 1.0, 1.0);
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};
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struct {
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HashMap<PolygonID, PolygonBuffers> polygons;
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PolygonID last_id = 0;
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} polygon_buffers;
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RendererCanvasRender::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>()) override;
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void free_polygon(PolygonID p_polygon) override;
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struct InstanceData {
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float world[6];
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float color_texture_pixel_size[2];
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union {
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//rect
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struct {
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float modulation[4];
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union {
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float msdf[4];
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float ninepatch_margins[4];
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};
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float dst_rect[4];
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float src_rect[4];
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float pad[2];
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};
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//primitive
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struct {
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float points[6]; // vec2 points[3]
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float uvs[6]; // vec2 points[3]
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uint32_t colors[6]; // colors encoded as half
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};
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};
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uint32_t flags;
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uint32_t specular_shininess;
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uint32_t lights[4];
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};
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static_assert(sizeof(InstanceData) == 128, "2D instance data struct size must be 128 bytes");
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struct Data {
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GLuint canvas_quad_vertices;
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GLuint canvas_quad_array;
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GLuint indexed_quad_buffer;
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GLuint indexed_quad_array;
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GLuint particle_quad_vertices;
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GLuint particle_quad_array;
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GLuint ninepatch_vertices;
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GLuint ninepatch_elements;
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RID canvas_shader_default_version;
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uint32_t max_lights_per_render = 256;
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uint32_t max_lights_per_item = 16;
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uint32_t max_instances_per_buffer = 16384;
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uint32_t max_instance_buffer_size = 16384 * 128;
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} data;
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struct Batch {
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// Position in the UBO measured in bytes
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uint32_t start = 0;
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uint32_t instance_count = 0;
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uint32_t instance_buffer_index = 0;
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RID tex;
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RS::CanvasItemTextureFilter filter = RS::CANVAS_ITEM_TEXTURE_FILTER_MAX;
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RS::CanvasItemTextureRepeat repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_MAX;
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GLES3::CanvasShaderData::BlendMode blend_mode = GLES3::CanvasShaderData::BLEND_MODE_MIX;
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Color blend_color = Color(1.0, 1.0, 1.0, 1.0);
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Item *clip = nullptr;
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RID material;
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GLES3::CanvasMaterialData *material_data = nullptr;
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CanvasShaderGLES3::ShaderVariant shader_variant = CanvasShaderGLES3::MODE_QUAD;
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uint64_t vertex_input_mask = RS::ARRAY_FORMAT_VERTEX | RS::ARRAY_FORMAT_COLOR | RS::ARRAY_FORMAT_TEX_UV;
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const Item::Command *command = nullptr;
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Item::Command::Type command_type = Item::Command::TYPE_ANIMATION_SLICE; // Can default to any type that doesn't form a batch.
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uint32_t primitive_points = 0;
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bool lights_disabled = false;
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};
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// DataBuffer contains our per-frame data. I.e. the resources that are updated each frame.
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// We track them and ensure that they don't get reused until at least 2 frames have passed
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// to avoid the GPU stalling to wait for a resource to become available.
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struct DataBuffer {
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Vector<GLuint> instance_buffers;
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GLuint light_ubo = 0;
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GLuint state_ubo = 0;
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uint64_t last_frame_used = -3;
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GLsync fence = GLsync();
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};
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struct State {
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LocalVector<DataBuffer> canvas_instance_data_buffers;
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LocalVector<Batch> canvas_instance_batches;
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uint32_t current_data_buffer_index = 0;
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uint32_t current_instance_buffer_index = 0;
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uint32_t current_batch_index = 0;
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uint32_t last_item_index = 0;
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InstanceData *instance_data_array = nullptr;
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LightUniform *light_uniforms = nullptr;
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GLuint shadow_texture = 0;
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GLuint shadow_depth_buffer = 0;
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GLuint shadow_fb = 0;
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int shadow_texture_size = 2048;
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bool using_directional_lights = false;
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RID current_tex;
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RS::CanvasItemTextureFilter current_filter_mode = RS::CANVAS_ITEM_TEXTURE_FILTER_MAX;
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RS::CanvasItemTextureRepeat current_repeat_mode = RS::CANVAS_ITEM_TEXTURE_REPEAT_MAX;
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bool transparent_render_target = false;
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double time = 0.0;
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RS::CanvasItemTextureFilter default_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_DEFAULT;
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RS::CanvasItemTextureRepeat default_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_DEFAULT;
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} state;
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Item *items[MAX_RENDER_ITEMS];
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RID default_canvas_texture;
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RID default_canvas_group_material;
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RID default_canvas_group_shader;
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RID default_clip_children_material;
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RID default_clip_children_shader;
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typedef void Texture;
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void canvas_begin(RID p_to_render_target, bool p_to_backbuffer, bool p_backbuffer_has_mipmaps);
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//virtual void draw_window_margins(int *black_margin, RID *black_image) override;
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void draw_lens_distortion_rect(const Rect2 &p_rect, float p_k1, float p_k2, const Vector2 &p_eye_center, float p_oversample);
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void reset_canvas();
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RID light_create() override;
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void light_set_texture(RID p_rid, RID p_texture) override;
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void light_set_use_shadow(RID p_rid, bool p_enable) override;
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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) override;
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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) override;
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void render_sdf(RID p_render_target, LightOccluderInstance *p_occluders) override;
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RID occluder_polygon_create() override;
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void occluder_polygon_set_shape(RID p_occluder, const Vector<Vector2> &p_points, bool p_closed) override;
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void occluder_polygon_set_cull_mode(RID p_occluder, RS::CanvasOccluderPolygonCullMode p_mode) override;
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void set_shadow_texture_size(int p_size) override;
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bool free(RID p_rid) override;
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void update() override;
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void _bind_canvas_texture(RID p_texture, RS::CanvasItemTextureFilter p_base_filter, RS::CanvasItemTextureRepeat p_base_repeat);
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void _prepare_canvas_texture(RID p_texture, RS::CanvasItemTextureFilter p_base_filter, RS::CanvasItemTextureRepeat p_base_repeat, uint32_t &r_index, Size2 &r_texpixel_size);
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void 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, RenderingMethod::RenderInfo *r_render_info = nullptr) override;
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void _render_items(RID p_to_render_target, int p_item_count, const Transform2D &p_canvas_transform_inverse, Light *p_lights, bool &r_sdf_used, bool p_to_backbuffer = false, RenderingMethod::RenderInfo *r_render_info = nullptr, bool p_backbuffer_has_mipmaps = false);
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void _record_item_commands(const Item *p_item, RID p_render_target, const Transform2D &p_canvas_transform_inverse, Item *¤t_clip, GLES3::CanvasShaderData::BlendMode p_blend_mode, Light *p_lights, uint32_t &r_index, bool &r_break_batch, bool &r_sdf_used, const Point2 &p_repeat_offset);
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void _render_batch(Light *p_lights, uint32_t p_index, RenderingMethod::RenderInfo *r_render_info = nullptr);
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bool _bind_material(GLES3::CanvasMaterialData *p_material_data, CanvasShaderGLES3::ShaderVariant p_variant, uint64_t p_specialization);
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void _new_batch(bool &r_batch_broken);
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void _add_to_batch(uint32_t &r_index, bool &r_batch_broken);
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void _allocate_instance_data_buffer();
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void _allocate_instance_buffer();
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void _enable_attributes(uint32_t p_start, bool p_primitive, uint32_t p_rate = 1);
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void set_time(double p_time);
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virtual void set_debug_redraw(bool p_enabled, double p_time, const Color &p_color) override {
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if (p_enabled) {
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WARN_PRINT_ONCE("Debug CanvasItem Redraw is not available yet when using the GL Compatibility backend.");
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}
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}
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virtual uint32_t get_pipeline_compilations(RS::PipelineSource p_source) override { return 0; }
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static RasterizerCanvasGLES3 *get_singleton();
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RasterizerCanvasGLES3();
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~RasterizerCanvasGLES3();
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};
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#endif // GLES3_ENABLED
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#endif // RASTERIZER_CANVAS_GLES3_H
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