Use GLES2Interface for shaders and programs

cc/output/shader.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_SHADER_H_
 #define CC_OUTPUT_SHADER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "cc/base/cc_export.h"
 #include "third_party/skia/include/core/SkColorPriv.h"
 
 namespace gfx {
 class Point;
 class Size;
 }
 
-namespace blink { class WebGraphicsContext3D; }
+namespace gpu {
+namespace gles2 {
+class GLES2Interface;
+}
+}
 
 namespace cc {
 
 enum TexCoordPrecision {
   TexCoordPrecisionNA = 0,
   TexCoordPrecisionMedium = 1,
   TexCoordPrecisionHigh = 2,
   NumTexCoordPrecisions = 3
 };
 
 enum SamplerType {
   SamplerTypeNA = 0,
   SamplerType2D = 1,
   SamplerType2DRect = 2,
   SamplerTypeExternalOES = 3,
   NumSamplerTypes = 4
 };
 
 // Note: The highp_threshold_cache must be provided by the caller to make
 // the caching multi-thread/context safe in an easy low-overhead manner.
 // The caller must make sure to clear highp_threshold_cache to 0, so it can be
 // reinitialized, if a new or different context is used.
 CC_EXPORT TexCoordPrecision TexCoordPrecisionRequired(
-    blink::WebGraphicsContext3D* context,
+    gpu::gles2::GLES2Interface* context,
     int *highp_threshold_cache,
     int highp_threshold_min,
     gfx::Point max_coordinate);
 
 CC_EXPORT TexCoordPrecision TexCoordPrecisionRequired(
-    blink::WebGraphicsContext3D* context,
+    gpu::gles2::GLES2Interface* context,
     int *highp_threshold_cache,
     int highp_threshold_min,
     gfx::Size max_size);
 
 class VertexShaderPosTex {
  public:
   VertexShaderPosTex();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
 
  private:
   int matrix_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderPosTex);
 };
 
 class VertexShaderPosTexYUVStretch {
  public:
   VertexShaderPosTexYUVStretch();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
   int tex_scale_location() const { return tex_scale_location_; }
 
  private:
   int matrix_location_;
   int tex_scale_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderPosTexYUVStretch);
 };
 
 class VertexShaderPos {
  public:
   VertexShaderPos();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
 
  private:
   int matrix_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderPos);
 };
 
 class VertexShaderPosTexIdentity {
  public:
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index) {}
   std::string GetShaderString() const;
 };
 
 class VertexShaderPosTexTransform {
  public:
   VertexShaderPosTexTransform();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
   int tex_transform_location() const { return tex_transform_location_; }
   int vertex_opacity_location() const { return vertex_opacity_location_; }
 
  private:
   int matrix_location_;
   int tex_transform_location_;
   int vertex_opacity_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderPosTexTransform);
 };
 
 class VertexShaderQuad {
  public:
   VertexShaderQuad();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
            unsigned program,
            int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
   int viewport_location() const { return -1; }
   int quad_location() const { return quad_location_; }
   int edge_location() const { return -1; }
 
  private:
   int matrix_location_;
   int quad_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderQuad);
 };
 
 class VertexShaderQuadAA {
  public:
   VertexShaderQuadAA();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
            unsigned program,
            int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
   int viewport_location() const { return viewport_location_; }
   int quad_location() const { return quad_location_; }
   int edge_location() const { return edge_location_; }
 
  private:
   int matrix_location_;
   int viewport_location_;
   int quad_location_;
   int edge_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderQuadAA);
 };
 
 
 class VertexShaderQuadTexTransformAA {
  public:
   VertexShaderQuadTexTransformAA();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
            unsigned program,
            int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
   int viewport_location() const { return viewport_location_; }
   int quad_location() const { return quad_location_; }
   int edge_location() const { return edge_location_; }
   int tex_transform_location() const { return tex_transform_location_; }
 
  private:
   int matrix_location_;
   int viewport_location_;
   int quad_location_;
   int edge_location_;
   int tex_transform_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderQuadTexTransformAA);
 };
 
 class VertexShaderTile {
  public:
   VertexShaderTile();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
   int viewport_location() const { return -1; }
   int quad_location() const { return quad_location_; }
   int edge_location() const { return -1; }
   int vertex_tex_transform_location() const {
     return vertex_tex_transform_location_;
   }
 
  private:
   int matrix_location_;
   int quad_location_;
   int vertex_tex_transform_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderTile);
 };
 
 class VertexShaderTileAA {
  public:
   VertexShaderTileAA();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
   int viewport_location() const { return viewport_location_; }
   int quad_location() const { return quad_location_; }
   int edge_location() const { return edge_location_; }
   int vertex_tex_transform_location() const {
     return vertex_tex_transform_location_;
   }
 
  private:
   int matrix_location_;
   int viewport_location_;
   int quad_location_;
   int edge_location_;
   int vertex_tex_transform_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderTileAA);
 };
 
 class VertexShaderVideoTransform {
  public:
   VertexShaderVideoTransform();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   std::string GetShaderString() const;
 
   int matrix_location() const { return matrix_location_; }
   int tex_matrix_location() const { return tex_matrix_location_; }
 
  private:
   int matrix_location_;
   int tex_matrix_location_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexShaderVideoTransform);
 };
 
 class FragmentTexAlphaBinding {
  public:
   FragmentTexAlphaBinding();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int alpha_location() const { return alpha_location_; }
   int fragment_tex_transform_location() const { return -1; }
   int sampler_location() const { return sampler_location_; }
 
  private:
   int sampler_location_;
   int alpha_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentTexAlphaBinding);
 };
 
 class FragmentTexColorMatrixAlphaBinding {
  public:
     FragmentTexColorMatrixAlphaBinding();
 
-    void Init(blink::WebGraphicsContext3D* context,
+    void Init(gpu::gles2::GLES2Interface* context,
               unsigned program,
               int* base_uniform_index);
     int alpha_location() const { return alpha_location_; }
     int color_matrix_location() const { return color_matrix_location_; }
     int color_offset_location() const { return color_offset_location_; }
     int fragment_tex_transform_location() const { return -1; }
     int sampler_location() const { return sampler_location_; }
 
  private:
     int sampler_location_;
     int alpha_location_;
     int color_matrix_location_;
     int color_offset_location_;
 };
 
 class FragmentTexOpaqueBinding {
  public:
   FragmentTexOpaqueBinding();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int alpha_location() const { return -1; }
   int fragment_tex_transform_location() const { return -1; }
   int background_color_location() const { return -1; }
   int sampler_location() const { return sampler_location_; }
 
  private:
   int sampler_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentTexOpaqueBinding);
 };
 
 class FragmentTexBackgroundBinding {
  public:
   FragmentTexBackgroundBinding();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int background_color_location() const { return background_color_location_; }
   int sampler_location() const { return sampler_location_; }
 
  private:
   int background_color_location_;
   int sampler_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentTexBackgroundBinding);
@@ skipping 61 matching lines @@
 class FragmentShaderRGBATexSwizzleOpaque : public FragmentTexOpaqueBinding {
  public:
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 };
 
 class FragmentShaderRGBATexAlphaAA {
  public:
   FragmentShaderRGBATexAlphaAA();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
   int alpha_location() const { return alpha_location_; }
   int sampler_location() const { return sampler_location_; }
 
  private:
   int sampler_location_;
   int alpha_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentShaderRGBATexAlphaAA);
 };
 
 class FragmentTexClampAlphaAABinding {
  public:
   FragmentTexClampAlphaAABinding();
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int alpha_location() const { return alpha_location_; }
   int sampler_location() const { return sampler_location_; }
   int fragment_tex_transform_location() const {
     return fragment_tex_transform_location_;
   }
 
  private:
   int sampler_location_;
@@ skipping 17 matching lines @@
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 };
 
 class FragmentShaderRGBATexAlphaMask {
  public:
   FragmentShaderRGBATexAlphaMask();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int alpha_location() const { return alpha_location_; }
   int sampler_location() const { return sampler_location_; }
   int mask_sampler_location() const { return mask_sampler_location_; }
   int mask_tex_coord_scale_location() const {
     return mask_tex_coord_scale_location_;
   }
   int mask_tex_coord_offset_location() const {
     return mask_tex_coord_offset_location_;
   }
 
  private:
   int sampler_location_;
   int mask_sampler_location_;
   int alpha_location_;
   int mask_tex_coord_scale_location_;
   int mask_tex_coord_offset_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentShaderRGBATexAlphaMask);
 };
 
 class FragmentShaderRGBATexAlphaMaskAA {
  public:
   FragmentShaderRGBATexAlphaMaskAA();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int alpha_location() const { return alpha_location_; }
   int sampler_location() const { return sampler_location_; }
   int mask_sampler_location() const { return mask_sampler_location_; }
   int mask_tex_coord_scale_location() const {
     return mask_tex_coord_scale_location_;
   }
   int mask_tex_coord_offset_location() const {
     return mask_tex_coord_offset_location_;
   }
 
  private:
   int sampler_location_;
   int mask_sampler_location_;
   int alpha_location_;
   int mask_tex_coord_scale_location_;
   int mask_tex_coord_offset_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentShaderRGBATexAlphaMaskAA);
 };
 
 class FragmentShaderRGBATexAlphaMaskColorMatrixAA {
  public:
   FragmentShaderRGBATexAlphaMaskColorMatrixAA();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int alpha_location() const { return alpha_location_; }
   int sampler_location() const { return sampler_location_; }
   int mask_sampler_location() const { return mask_sampler_location_; }
   int mask_tex_coord_scale_location() const {
     return mask_tex_coord_scale_location_;
   }
   int mask_tex_coord_offset_location() const {
     return mask_tex_coord_offset_location_;
@@ skipping 10 matching lines @@
   int color_matrix_location_;
   int color_offset_location_;
 };
 
 class FragmentShaderRGBATexAlphaColorMatrixAA {
  public:
   FragmentShaderRGBATexAlphaColorMatrixAA();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int alpha_location() const { return alpha_location_; }
   int sampler_location() const { return sampler_location_; }
   int color_matrix_location() const { return color_matrix_location_; }
   int color_offset_location() const { return color_offset_location_; }
 
  private:
   int sampler_location_;
   int alpha_location_;
   int color_matrix_location_;
   int color_offset_location_;
 };
 
 class FragmentShaderRGBATexAlphaMaskColorMatrix {
  public:
   FragmentShaderRGBATexAlphaMaskColorMatrix();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int alpha_location() const { return alpha_location_; }
   int sampler_location() const { return sampler_location_; }
   int mask_sampler_location() const { return mask_sampler_location_; }
   int mask_tex_coord_scale_location() const {
     return mask_tex_coord_scale_location_;
   }
   int mask_tex_coord_offset_location() const {
     return mask_tex_coord_offset_location_;
@@ skipping 10 matching lines @@
   int color_matrix_location_;
   int color_offset_location_;
 };
 
 class FragmentShaderYUVVideo {
  public:
   FragmentShaderYUVVideo();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int y_texture_location() const { return y_texture_location_; }
   int u_texture_location() const { return u_texture_location_; }
   int v_texture_location() const { return v_texture_location_; }
   int alpha_location() const { return alpha_location_; }
   int yuv_matrix_location() const { return yuv_matrix_location_; }
   int yuv_adj_location() const { return yuv_adj_location_; }
 
  private:
   int y_texture_location_;
   int u_texture_location_;
   int v_texture_location_;
   int alpha_location_;
   int yuv_matrix_location_;
   int yuv_adj_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentShaderYUVVideo);
 };
 
 
 class FragmentShaderYUVAVideo {
  public:
   FragmentShaderYUVAVideo();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
 
   int y_texture_location() const { return y_texture_location_; }
   int u_texture_location() const { return u_texture_location_; }
   int v_texture_location() const { return v_texture_location_; }
   int a_texture_location() const { return a_texture_location_; }
   int alpha_location() const { return alpha_location_; }
   int yuv_matrix_location() const { return yuv_matrix_location_; }
   int yuv_adj_location() const { return yuv_adj_location_; }
 
  private:
   int y_texture_location_;
   int u_texture_location_;
   int v_texture_location_;
   int a_texture_location_;
   int alpha_location_;
   int yuv_matrix_location_;
   int yuv_adj_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentShaderYUVAVideo);
 };
 
 class FragmentShaderColor {
  public:
   FragmentShaderColor();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int color_location() const { return color_location_; }
 
  private:
   int color_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentShaderColor);
 };
 
 class FragmentShaderColorAA {
  public:
   FragmentShaderColorAA();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int color_location() const { return color_location_; }
 
  private:
   int color_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentShaderColorAA);
 };
 
 class FragmentShaderCheckerboard {
  public:
   FragmentShaderCheckerboard();
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;
 
-  void Init(blink::WebGraphicsContext3D* context,
+  void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
   int alpha_location() const { return alpha_location_; }
   int tex_transform_location() const { return tex_transform_location_; }
   int frequency_location() const { return frequency_location_; }
   int color_location() const { return color_location_; }
 
  private:
   int alpha_location_;
   int tex_transform_location_;
   int frequency_location_;
   int color_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentShaderCheckerboard);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_SHADER_H_