The great shader refactor: Use ProgramKey to initialize shaders

cc/output/gl_renderer.cc

 // Copyright 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/gl_renderer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 3271 matching lines @@
     case NO_BINDING:
       break;
   }
   bound_geometry_ = binding;
 }
 
 const GLRenderer::DebugBorderProgram* GLRenderer::GetDebugBorderProgram() {
   if (!debug_border_program_.initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::debugBorderProgram::initialize");
     debug_border_program_.Initialize(output_surface_->context_provider(),
-                                     TEX_COORD_PRECISION_NA, SAMPLER_TYPE_NA);
+                                     ProgramKey::DebugBorder());
   }
   return &debug_border_program_;
 }
 
 const GLRenderer::SolidColorProgram* GLRenderer::GetSolidColorProgram() {
   if (!solid_color_program_.initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::solidColorProgram::initialize");
     solid_color_program_.Initialize(output_surface_->context_provider(),
-                                    TEX_COORD_PRECISION_NA, SAMPLER_TYPE_NA);
+                                    ProgramKey::SolidColor(NO_AA));
   }
   return &solid_color_program_;
 }
 
 const GLRenderer::SolidColorProgramAA* GLRenderer::GetSolidColorProgramAA() {
   if (!solid_color_program_aa_.initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::solidColorProgramAA::initialize");
     solid_color_program_aa_.Initialize(output_surface_->context_provider(),
-                                       TEX_COORD_PRECISION_NA, SAMPLER_TYPE_NA);
+                                       ProgramKey::SolidColor(USE_AA));
   }
   return &solid_color_program_aa_;
 }
 
 const GLRenderer::RenderPassProgram* GLRenderer::GetRenderPassProgram(
     TexCoordPrecision precision,
     BlendMode blend_mode) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(blend_mode, 0);
   DCHECK_LE(blend_mode, LAST_BLEND_MODE);
   RenderPassProgram* program = &render_pass_program_[precision][blend_mode];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::renderPassProgram::initialize");
-    program->Initialize(output_surface_->context_provider(), precision,
-                        SAMPLER_TYPE_2D, blend_mode);
+    program->Initialize(
+        output_surface_->context_provider(),
+        ProgramKey::RenderPass(precision, SAMPLER_TYPE_2D, blend_mode, NO_AA,
+                               NO_MASK, false, false));
   }
   return program;
 }
 
 const GLRenderer::RenderPassProgramAA* GLRenderer::GetRenderPassProgramAA(
     TexCoordPrecision precision,
     BlendMode blend_mode) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(blend_mode, 0);
   DCHECK_LE(blend_mode, LAST_BLEND_MODE);
   RenderPassProgramAA* program =
       &render_pass_program_aa_[precision][blend_mode];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::renderPassProgramAA::initialize");
-    program->Initialize(output_surface_->context_provider(), precision,
-                        SAMPLER_TYPE_2D, blend_mode);
+    program->Initialize(
+        output_surface_->context_provider(),
+        ProgramKey::RenderPass(precision, SAMPLER_TYPE_2D, blend_mode, USE_AA,
+                               NO_MASK, false, false));
   }
   return program;
 }
 
 const GLRenderer::RenderPassMaskProgram* GLRenderer::GetRenderPassMaskProgram(
     TexCoordPrecision precision,
     SamplerType sampler,
     BlendMode blend_mode,
     bool mask_for_background) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   DCHECK_GE(blend_mode, 0);
   DCHECK_LE(blend_mode, LAST_BLEND_MODE);
   RenderPassMaskProgram* program =
       &render_pass_mask_program_[precision][sampler][blend_mode]
                                 [mask_for_background ? HAS_MASK : NO_MASK];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::renderPassMaskProgram::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision,
-        sampler, blend_mode, mask_for_background);
+        output_surface_->context_provider(),
+        ProgramKey::RenderPass(precision, sampler, blend_mode, NO_AA, HAS_MASK,
+                               mask_for_background, false));
   }
   return program;
 }
 
 const GLRenderer::RenderPassMaskProgramAA*
 GLRenderer::GetRenderPassMaskProgramAA(TexCoordPrecision precision,
                                        SamplerType sampler,
                                        BlendMode blend_mode,
                                        bool mask_for_background) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   DCHECK_GE(blend_mode, 0);
   DCHECK_LE(blend_mode, LAST_BLEND_MODE);
   RenderPassMaskProgramAA* program =
       &render_pass_mask_program_aa_[precision][sampler][blend_mode]
                                    [mask_for_background ? HAS_MASK : NO_MASK];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::renderPassMaskProgramAA::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision,
-        sampler, blend_mode, mask_for_background);
+        output_surface_->context_provider(),
+        ProgramKey::RenderPass(precision, sampler, blend_mode, USE_AA, HAS_MASK,
+                               mask_for_background, false));
   }
   return program;
 }
 
 const GLRenderer::RenderPassColorMatrixProgram*
 GLRenderer::GetRenderPassColorMatrixProgram(TexCoordPrecision precision,
                                             BlendMode blend_mode) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(blend_mode, 0);
   DCHECK_LE(blend_mode, LAST_BLEND_MODE);
   RenderPassColorMatrixProgram* program =
       &render_pass_color_matrix_program_[precision][blend_mode];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::renderPassColorMatrixProgram::initialize");
-    program->Initialize(output_surface_->context_provider(), precision,
-                        SAMPLER_TYPE_2D, blend_mode);
+    program->Initialize(
+        output_surface_->context_provider(),
+        ProgramKey::RenderPass(precision, SAMPLER_TYPE_2D, blend_mode, NO_AA,
+                               NO_MASK, false, true));
   }
   return program;
 }
 
 const GLRenderer::RenderPassColorMatrixProgramAA*
 GLRenderer::GetRenderPassColorMatrixProgramAA(TexCoordPrecision precision,
                                               BlendMode blend_mode) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(blend_mode, 0);
   DCHECK_LE(blend_mode, LAST_BLEND_MODE);
   RenderPassColorMatrixProgramAA* program =
       &render_pass_color_matrix_program_aa_[precision][blend_mode];
   if (!program->initialized()) {
     TRACE_EVENT0("cc",
                  "GLRenderer::renderPassColorMatrixProgramAA::initialize");
-    program->Initialize(output_surface_->context_provider(), precision,
-                        SAMPLER_TYPE_2D, blend_mode);
+    program->Initialize(
+        output_surface_->context_provider(),
+        ProgramKey::RenderPass(precision, SAMPLER_TYPE_2D, blend_mode, USE_AA,
+                               NO_MASK, false, true));
   }
   return program;
 }
 
 const GLRenderer::RenderPassMaskColorMatrixProgram*
 GLRenderer::GetRenderPassMaskColorMatrixProgram(
     TexCoordPrecision precision,
     SamplerType sampler,
     BlendMode blend_mode,
     bool mask_for_background) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   DCHECK_GE(blend_mode, 0);
   DCHECK_LE(blend_mode, LAST_BLEND_MODE);
   RenderPassMaskColorMatrixProgram* program =
       &render_pass_mask_color_matrix_program_[precision][sampler][blend_mode]
           [mask_for_background ? HAS_MASK : NO_MASK];
   if (!program->initialized()) {
     TRACE_EVENT0("cc",
                  "GLRenderer::renderPassMaskColorMatrixProgram::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision,
-        sampler, blend_mode, mask_for_background);
+        output_surface_->context_provider(),
+        ProgramKey::RenderPass(precision, sampler, blend_mode, NO_AA, HAS_MASK,
+                               mask_for_background, true));
   }
   return program;
 }
 
 const GLRenderer::RenderPassMaskColorMatrixProgramAA*
 GLRenderer::GetRenderPassMaskColorMatrixProgramAA(
     TexCoordPrecision precision,
     SamplerType sampler,
     BlendMode blend_mode,
     bool mask_for_background) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   DCHECK_GE(blend_mode, 0);
   DCHECK_LE(blend_mode, LAST_BLEND_MODE);
   RenderPassMaskColorMatrixProgramAA* program =
       &render_pass_mask_color_matrix_program_aa_[precision][sampler][blend_mode]
           [mask_for_background ? HAS_MASK : NO_MASK];
   if (!program->initialized()) {
     TRACE_EVENT0("cc",
                  "GLRenderer::renderPassMaskColorMatrixProgramAA::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision,
-        sampler, blend_mode, mask_for_background);
+        output_surface_->context_provider(),
+        ProgramKey::RenderPass(precision, sampler, blend_mode, USE_AA, HAS_MASK,
+                               mask_for_background, true));
   }
   return program;
 }
 
 const GLRenderer::TileProgram* GLRenderer::GetTileProgram(
     TexCoordPrecision precision,
     SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   TileProgram* program = &tile_program_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::tileProgram::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision, sampler);
+        output_surface_->context_provider(),
+        ProgramKey::Tile(precision, sampler, NO_AA, NO_SWIZZLE, false));
   }
   return program;
 }
 
 const GLRenderer::TileProgramOpaque* GLRenderer::GetTileProgramOpaque(
     TexCoordPrecision precision,
     SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   TileProgramOpaque* program = &tile_program_opaque_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::tileProgramOpaque::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision, sampler);
+        output_surface_->context_provider(),
+        ProgramKey::Tile(precision, sampler, NO_AA, NO_SWIZZLE, true));
   }
   return program;
 }
 
 const GLRenderer::TileProgramAA* GLRenderer::GetTileProgramAA(
     TexCoordPrecision precision,
     SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   TileProgramAA* program = &tile_program_aa_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::tileProgramAA::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision, sampler);
+        output_surface_->context_provider(),
+        ProgramKey::Tile(precision, sampler, USE_AA, NO_SWIZZLE, false));
   }
   return program;
 }
 
 const GLRenderer::TileProgramSwizzle* GLRenderer::GetTileProgramSwizzle(
     TexCoordPrecision precision,
     SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   TileProgramSwizzle* program = &tile_program_swizzle_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::tileProgramSwizzle::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision, sampler);
+        output_surface_->context_provider(),
+        ProgramKey::Tile(precision, sampler, NO_AA, DO_SWIZZLE, false));
   }
   return program;
 }
 
 const GLRenderer::TileProgramSwizzleOpaque*
 GLRenderer::GetTileProgramSwizzleOpaque(TexCoordPrecision precision,
                                         SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   TileProgramSwizzleOpaque* program =
       &tile_program_swizzle_opaque_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::tileProgramSwizzleOpaque::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision, sampler);
+        output_surface_->context_provider(),
+        ProgramKey::Tile(precision, sampler, NO_AA, DO_SWIZZLE, true));
   }
   return program;
 }
 
 const GLRenderer::TileProgramSwizzleAA* GLRenderer::GetTileProgramSwizzleAA(
     TexCoordPrecision precision,
     SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   TileProgramSwizzleAA* program = &tile_program_swizzle_aa_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::tileProgramSwizzleAA::initialize");
     program->Initialize(
-        output_surface_->context_provider(), precision, sampler);
+        output_surface_->context_provider(),
+        ProgramKey::Tile(precision, sampler, USE_AA, DO_SWIZZLE, false));
   }
   return program;
 }
 
 const GLRenderer::TextureProgram* GLRenderer::GetTextureProgram(
     TexCoordPrecision precision,
     SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   TextureProgram* program = &texture_program_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::textureProgram::initialize");
-    program->Initialize(output_surface_->context_provider(), precision,
-                        sampler);
+    program->Initialize(
+        output_surface_->context_provider(),
+        ProgramKey::Texture(precision, sampler, PREMULTIPLIED_ALPHA, false));
   }
   return program;
 }
 
 const GLRenderer::NonPremultipliedTextureProgram*
 GLRenderer::GetNonPremultipliedTextureProgram(TexCoordPrecision precision,
                                               SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   NonPremultipliedTextureProgram* program =
       &nonpremultiplied_texture_program_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc",
                  "GLRenderer::NonPremultipliedTextureProgram::Initialize");
-    program->Initialize(output_surface_->context_provider(), precision,
-                        sampler);
+    program->Initialize(output_surface_->context_provider(),
+                        ProgramKey::Texture(precision, sampler,
+                                            NON_PREMULTIPLIED_ALPHA, false));
   }
   return program;
 }
 
 const GLRenderer::TextureBackgroundProgram*
 GLRenderer::GetTextureBackgroundProgram(TexCoordPrecision precision,
                                         SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   TextureBackgroundProgram* program =
       &texture_background_program_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::textureProgram::initialize");
-    program->Initialize(output_surface_->context_provider(), precision,
-                        sampler);
+    program->Initialize(
+        output_surface_->context_provider(),
+        ProgramKey::Texture(precision, sampler, PREMULTIPLIED_ALPHA, true));
   }
   return program;
 }
 
 const GLRenderer::NonPremultipliedTextureBackgroundProgram*
 GLRenderer::GetNonPremultipliedTextureBackgroundProgram(
     TexCoordPrecision precision,
     SamplerType sampler) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   NonPremultipliedTextureBackgroundProgram* program =
       &nonpremultiplied_texture_background_program_[precision][sampler];
   if (!program->initialized()) {
     TRACE_EVENT0("cc",
                  "GLRenderer::NonPremultipliedTextureProgram::Initialize");
-    program->Initialize(output_surface_->context_provider(), precision,
-                        sampler);
+    program->Initialize(
+        output_surface_->context_provider(),
+        ProgramKey::Texture(precision, sampler, NON_PREMULTIPLIED_ALPHA, true));
   }
   return program;
 }
 
 const GLRenderer::VideoYUVProgram* GLRenderer::GetVideoYUVProgram(
     TexCoordPrecision precision,
     SamplerType sampler,
     bool use_alpha_plane,
     bool use_nv12,
     bool use_color_lut) {
@@ skipping 14 matching lines @@
 }
 
 const GLRenderer::VideoStreamTextureProgram*
 GLRenderer::GetVideoStreamTextureProgram(TexCoordPrecision precision) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   VideoStreamTextureProgram* program =
       &video_stream_texture_program_[precision];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::streamTextureProgram::initialize");
-    program->Initialize(output_surface_->context_provider(), precision,
-                        SAMPLER_TYPE_EXTERNAL_OES);
+    program->Initialize(output_surface_->context_provider(),
+                        ProgramKey::VideoStream(precision));
   }
   return program;
 }
 
 void GLRenderer::CleanupSharedObjects() {
   shared_geometry_ = nullptr;
 
   for (int i = 0; i <= LAST_TEX_COORD_PRECISION; ++i) {
     for (int j = 0; j <= LAST_SAMPLER_TYPE; ++j) {
       tile_program_[i][j].Cleanup(gl_);
@@ skipping 370 matching lines @@
   // The alpha has already been applied when copying the RPDQ to an IOSurface.
   GLfloat alpha = 1;
   gl_->ScheduleCALayerSharedStateCHROMIUM(alpha, is_clipped, clip_rect,
                                           sorting_context_id, gl_transform);
   gl_->ScheduleCALayerCHROMIUM(
       texture_id, contents_rect, ca_layer_overlay->background_color,
       ca_layer_overlay->edge_aa_mask, bounds_rect, filter);
 }
 
 }  // namespace cc