Add a new parameter dest_type to the GL_CHROMIUM_copy_texture extension.

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // Copyright (c) 2012 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 "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 893 matching lines @@
       GLsizei width,
       GLsizei height,
       GLuint io_surface_id,
       GLuint plane);
 
   void DoCopyTextureCHROMIUM(
       GLenum target,
       GLuint source_id,
       GLuint target_id,
       GLint level,
-      GLenum internal_format);
+      GLenum internal_format,
+      GLenum dest_type);
 
   // Wrapper for TexStorage2DEXT.
   void DoTexStorage2DEXT(
       GLenum target,
       GLint levels,
       GLenum internal_format,
       GLsizei width,
       GLsizei height);
 
   void DoProduceTextureCHROMIUM(GLenum target, const GLbyte* key);
@@ skipping 8686 matching lines @@
       return GL_LUMINANCE_ALPHA;
     case GL_BGRA8_EXT:
       return GL_BGRA_EXT;
     default:
       return GL_NONE;
   }
 }
 
 void GLES2DecoderImpl::DoCopyTextureCHROMIUM(
     GLenum target, GLuint source_id, GLuint dest_id, GLint level,
-    GLenum internal_format) {
+    GLenum internal_format, GLenum dest_type) {
   Texture* dest_texture = GetTexture(dest_id);
   Texture* source_texture = GetTexture(source_id);
 
   if (!source_texture || !dest_texture) {
     LOCAL_SET_GL_ERROR(
         GL_INVALID_VALUE, "glCopyTextureCHROMIUM", "unknown texture id");
     return;
   }
 
   if (GL_TEXTURE_2D != target) {
@@ skipping 45 matching lines @@
   // needed because it takes 10s of milliseconds to initialize.
   if (!copy_texture_CHROMIUM_.get()) {
     LOCAL_COPY_REAL_GL_ERRORS_TO_WRAPPER("glCopyTextureCHROMIUM");
     copy_texture_CHROMIUM_.reset(new CopyTextureCHROMIUMResourceManager());
     copy_texture_CHROMIUM_->Initialize(this);
     RestoreCurrentFramebufferBindings();
     if (LOCAL_PEEK_GL_ERROR("glCopyTextureCHROMIUM") != GL_NO_ERROR)
       return;
   }
 
-  GLenum dest_type;
+  GLenum dest_type_previous;
   GLenum dest_internal_format;
   bool dest_level_defined = dest_texture->GetLevelSize(
       GL_TEXTURE_2D, level, &dest_width, &dest_height);
 
   if (dest_level_defined) {
-    dest_texture->GetLevelType(GL_TEXTURE_2D, level, &dest_type,
+    dest_texture->GetLevelType(GL_TEXTURE_2D, level, &dest_type_previous,
                                &dest_internal_format);
-  } else {
-    GLenum source_internal_format;
-    source_texture->GetLevelType(GL_TEXTURE_2D, 0, &dest_type,
-                                 &source_internal_format);
   }
 
   // Set source texture's width and height to be the same as
   // destination texture when source is GL_TEXTURE_EXTERNAL_OES.
   if (source_texture->target() == GL_TEXTURE_EXTERNAL_OES) {
     source_width = dest_width;
     source_height = dest_height;
   }
 
   // Resize the destination texture to the dimensions of the source texture.
   if (!dest_level_defined || dest_width != source_width ||
       dest_height != source_height ||
-      dest_internal_format != internal_format) {
+      dest_internal_format != internal_format ||
+      dest_type_previous != dest_type) {
     // Ensure that the glTexImage2D succeeds.
     LOCAL_COPY_REAL_GL_ERRORS_TO_WRAPPER("glCopyTextureCHROMIUM");
     glBindTexture(GL_TEXTURE_2D, dest_texture->service_id());
     WrappedTexImage2D(
         GL_TEXTURE_2D, level, internal_format, source_width, source_height,
         0, internal_format, dest_type, NULL);
     GLenum error = LOCAL_PEEK_GL_ERROR("glCopyTextureCHROMIUM");
     if (error != GL_NO_ERROR) {
       RestoreCurrentTexture2DBindings();
       return;
@@ skipping 682 matching lines @@
   return error::kNoError;
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu