Tile Compression

gpu/command_buffer/service/texture_manager.h

Index: gpu/command_buffer/service/texture_manager.h
diff --git a/gpu/command_buffer/service/texture_manager.h b/gpu/command_buffer/service/texture_manager.h
index 3ab546763f957f3c04820248b1400b6b87c6274a..21b189970fd7626953c319e4bd0cd300750c85a0 100644
--- a/gpu/command_buffer/service/texture_manager.h
+++ b/gpu/command_buffer/service/texture_manager.h
@@ -231,6 +231,22 @@ class GPU_EXPORT Texture {
       GLenum type,
       bool cleared);
 
+  void SetCompressedLevelInfo(const FeatureInfo* feature_info,
+                              GLenum target,
+                              GLint level,
+                              GLenum internal_format,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              GLint border,
+                              GLsizei image_size,
+                              bool cleared);
+
+  void UpdateLevelInfo(Texture::LevelInfo& info,
+                       const FeatureInfo* feature_info,
+                       GLint level,
+                       bool cleared);
+
   // In GLES2 "texture complete" means it has all required mips for filtering
   // down to a 1x1 pixel texture, they are in the correct order, they are all
   // the same format.
@@ -610,6 +626,17 @@ class GPU_EXPORT TextureManager {
       GLenum type,
       bool cleared);
 
+  void SetCompressedLevelInfo(TextureRef* ref,
+                              GLenum target,
+                              GLint level,
+                              GLenum internal_format,
+                              GLsizei width,
+                              GLsizei height,
+                              GLsizei depth,
+                              GLint border,
+                              GLsizei image_size,
+                              bool cleared);
+
   // Adapter to call above function.
   void SetLevelInfoFromParams(TextureRef* ref,
                               const gpu::AsyncTexImage2DParams& params) {
@@ -620,6 +647,15 @@ class GPU_EXPORT TextureManager {
         params.type, true /* cleared */);
   }
 
+  void SetCompressedLevelInfoFromParams(
+      TextureRef* ref,
+      const gpu::AsyncCompressedTexImage2DParams& params) {
+    SetCompressedLevelInfo(ref, params.target, params.level,
+                           params.internal_format, params.width, params.height,
+                           1 /* depth */, params.border, params.image_size,
+                           true /* cleared */);
+  }
+
   Texture* Produce(TextureRef* ref);
 
   // Maps an existing texture into the texture manager, at a given client ID.
@@ -773,6 +809,25 @@ class GPU_EXPORT TextureManager {
     DecoderFramebufferState* framebuffer_state,
     const DoTextImage2DArguments& args);
 
+  struct DoCompressedTexImage2DArguments {
+    GLenum target;
+    GLint level;
+    GLenum internal_format;
+    GLsizei width;
+    GLsizei height;
+    GLint border;
+    GLsizei image_size;
+    const void* pixels;
+  };
+
+  bool ValidateCompressedTexImage2D(
+      ContextState* state,
+      const char* function_name,
+      const DoCompressedTexImage2DArguments& args,
+      // Pointer to TextureRef filled in if validation successful.
+      // Presumes the pointer is valid.
+      TextureRef** texture_ref);
+
   // TODO(kloveless): Make GetTexture* private once this is no longer called
   // from gles2_cmd_decoder.
   TextureRef* GetTextureInfoForTarget(ContextState* state, GLenum target);