Make LUTs independent of YUV in cc shaders

cc/output/program_binding.h

 // Copyright 2011 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.
 
 #ifndef CC_OUTPUT_PROGRAM_BINDING_H_
 #define CC_OUTPUT_PROGRAM_BINDING_H_
 
 #include <string>
 
 #include "base/logging.h"
@@ skipping 76 matching lines @@
                                BlendMode blend_mode,
                                AAMode aa_mode,
                                MaskMode mask_mode,
                                bool mask_for_background,
                                bool has_color_matrix);
   static ProgramKey VideoStream(TexCoordPrecision precision);
   static ProgramKey YUVVideo(TexCoordPrecision precision,
                              SamplerType sampler,
                              YUVAlphaTextureMode yuv_alpha_texture_mode,
                              UVTextureMode uv_texture_mode,
-                             ColorConversionMode color_conversion_mode);
+                             bool use_lut);
 
   bool operator==(const ProgramKey& other) const;
 
  private:
   ProgramKey();
   friend struct ProgramKeyHash;
   friend class Program;
 
   ProgramType type_ = PROGRAM_TYPE_DEBUG_BORDER;
   TexCoordPrecision precision_ = TEX_COORD_PRECISION_NA;
   SamplerType sampler_ = SAMPLER_TYPE_NA;
   BlendMode blend_mode_ = BLEND_MODE_NONE;
   AAMode aa_mode_ = NO_AA;
   SwizzleMode swizzle_mode_ = NO_SWIZZLE;
   bool is_opaque_ = false;
 
   PremultipliedAlphaMode premultiplied_alpha_ = PREMULTIPLIED_ALPHA;
   bool has_background_color_ = false;
 
   MaskMode mask_mode_ = NO_MASK;
   bool mask_for_background_ = false;
   bool has_color_matrix_ = false;
+  bool has_resource_offset_ = false;
+  bool has_lut_ = false;
 
   YUVAlphaTextureMode yuv_alpha_texture_mode_ = YUV_NO_ALPHA_TEXTURE;
   UVTextureMode uv_texture_mode_ = UV_TEXTURE_MODE_NA;
-
-  ColorConversionMode color_conversion_mode_ = COLOR_CONVERSION_MODE_NONE;
 };
 
 struct ProgramKeyHash {
   size_t operator()(const ProgramKey& key) const {
     return (static_cast<size_t>(key.type_) << 0) ^
            (static_cast<size_t>(key.precision_) << 3) ^
            (static_cast<size_t>(key.sampler_) << 6) ^
            (static_cast<size_t>(key.blend_mode_) << 9) ^
            (static_cast<size_t>(key.aa_mode_) << 15) ^
            (static_cast<size_t>(key.swizzle_mode_) << 16) ^
            (static_cast<size_t>(key.is_opaque_) << 17) ^
            (static_cast<size_t>(key.premultiplied_alpha_) << 19) ^
            (static_cast<size_t>(key.has_background_color_) << 20) ^
            (static_cast<size_t>(key.mask_mode_) << 21) ^
            (static_cast<size_t>(key.mask_for_background_) << 22) ^
            (static_cast<size_t>(key.has_color_matrix_) << 23) ^
            (static_cast<size_t>(key.yuv_alpha_texture_mode_) << 24) ^
            (static_cast<size_t>(key.uv_texture_mode_) << 25) ^
-           (static_cast<size_t>(key.color_conversion_mode_) << 26);
+           (static_cast<size_t>(key.has_lut_) << 26) ^
+           (static_cast<size_t>(key.has_resource_offset_) << 27);
   }
 };
 
 class Program : public ProgramBindingBase {
  public:
   Program() {}
 
   void Initialize(ContextProvider* context_provider, const ProgramKey& key) {
     // Set parameters that are common to all sub-classes.
     vertex_shader_.aa_mode_ = key.aa_mode_;
     fragment_shader_.aa_mode_ = key.aa_mode_;
     fragment_shader_.blend_mode_ = key.blend_mode_;
     fragment_shader_.tex_coord_precision_ = key.precision_;
     fragment_shader_.sampler_type_ = key.sampler_;
     fragment_shader_.swizzle_mode_ = key.swizzle_mode_;
     fragment_shader_.premultiply_alpha_mode_ = key.premultiplied_alpha_;
     fragment_shader_.mask_mode_ = key.mask_mode_;
     fragment_shader_.mask_for_background_ = key.mask_for_background_;
+    fragment_shader_.has_color_matrix_ = key.has_color_matrix_;
+    fragment_shader_.has_resource_offset_ = key.has_resource_offset_;
+    fragment_shader_.has_lut_ = key.has_lut_;
 
     switch (key.type_) {
       case PROGRAM_TYPE_DEBUG_BORDER:
         InitializeDebugBorderProgram();
         break;
       case PROGRAM_TYPE_SOLID_COLOR:
         InitializeSolidColorProgram(key);
         break;
       case PROGRAM_TYPE_TILE:
         InitializeTileProgram(key);
@@ skipping 87 matching lines @@
   int uv_texture_location() const {
     return fragment_shader_.uv_texture_location_;
   }
   int a_texture_location() const {
     return fragment_shader_.a_texture_location_;
   }
   int lut_texture_location() const {
     return fragment_shader_.lut_texture_location_;
   }
   int lut_size_location() const { return fragment_shader_.lut_size_location_; }
-  int yuv_matrix_location() const {
-    return fragment_shader_.yuv_matrix_location_;
-  }
-  int yuv_adj_location() const { return fragment_shader_.yuv_adj_location_; }
   int ya_clamp_rect_location() const {
     return fragment_shader_.ya_clamp_rect_location_;
   }
   int uv_clamp_rect_location() const {
     return fragment_shader_.uv_clamp_rect_location_;
   }
   int resource_multiplier_location() const {
     return fragment_shader_.resource_multiplier_location_;
   }
   int resource_offset_location() const {
@@ skipping 75 matching lines @@
     } else {
       vertex_shader_.position_source_ =
           POSITION_SOURCE_ATTRIBUTE_INDEXED_UNIFORM;
       vertex_shader_.tex_coord_source_ = TEX_COORD_SOURCE_POSITION;
       vertex_shader_.tex_coord_transform_ = TEX_COORD_TRANSFORM_TRANSLATED_VEC4;
     }
 
     // Initialize fragment program.
     fragment_shader_.frag_color_mode_ = FRAG_COLOR_MODE_APPLY_BLEND_MODE;
     fragment_shader_.has_uniform_alpha_ = true;
-    fragment_shader_.has_color_matrix_ = key.has_color_matrix_;
     if (key.mask_mode_ == HAS_MASK) {
       fragment_shader_.ignore_sampler_type_ = true;
     } else {
       DCHECK(!key.mask_for_background_);
     }
   }
 
   void InitializeVideoStreamProgram(const ProgramKey& key) {
     vertex_shader_.tex_coord_source_ = TEX_COORD_SOURCE_ATTRIBUTE;
     vertex_shader_.tex_coord_transform_ = TEX_COORD_TRANSFORM_MATRIX;
     vertex_shader_.has_matrix_ = true;
     DCHECK_EQ(key.sampler_, SAMPLER_TYPE_EXTERNAL_OES);
   }
 
   void InitializeYUVVideo(const ProgramKey& key) {
     vertex_shader_.tex_coord_source_ = TEX_COORD_SOURCE_ATTRIBUTE;
     vertex_shader_.has_matrix_ = true;
     vertex_shader_.is_ya_uv_ = true;
 
     fragment_shader_.input_color_type_ = INPUT_COLOR_SOURCE_YUV_TEXTURES;
     fragment_shader_.has_uniform_alpha_ = true;
     fragment_shader_.yuv_alpha_texture_mode_ = key.yuv_alpha_texture_mode_;
     fragment_shader_.uv_texture_mode_ = key.uv_texture_mode_;
-    fragment_shader_.color_conversion_mode_ = key.color_conversion_mode_;
+    DCHECK(key.has_lut_ || key.has_color_matrix_);
   }
 
   void InitializeInternal(ContextProvider* context_provider) {
     DCHECK(context_provider);
     DCHECK(!initialized_);
 
     if (IsContextLost(context_provider->ContextGL()))
       return;
 
     if (!ProgramBindingBase::Init(context_provider->ContextGL(),
@@ skipping 20 matching lines @@
 
   VertexShader vertex_shader_;
   FragmentShader fragment_shader_;
 
   DISALLOW_COPY_AND_ASSIGN(Program);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_PROGRAM_BINDING_H_