Make GLES2Implementation based on GLES2Interface

gpu/command_buffer/client/gles2_implementation_autogen.h

 // 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // DO NOT EDIT!
 
 // This file is included by gles2_implementation.h to declare the
 // GL api functions.
 #ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_AUTOGEN_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_AUTOGEN_H_
 
-void ActiveTexture(GLenum texture);
-
-void AttachShader(GLuint program, GLuint shader) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glAttachShader(" << program << ", " << shader << ")");  // NOLINT
-  helper_->AttachShader(program, shader);
-}
-
-void BindAttribLocation(GLuint program, GLuint index, const char* name);
-
-void BindBuffer(GLenum target, GLuint buffer) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindBuffer(" << GLES2Util::GetStringBufferTarget(target) << ", " << buffer << ")");  // NOLINT
-  if (IsBufferReservedId(buffer)) {
-    SetGLError(GL_INVALID_OPERATION, "BindBuffer", "buffer reserved id");
-    return;
-  }
-  BindBufferHelper(target, buffer);
-  helper_->BindBuffer(target, buffer);
-}
-
-void BindFramebuffer(GLenum target, GLuint framebuffer) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindFramebuffer(" << GLES2Util::GetStringFrameBufferTarget(target) << ", " << framebuffer << ")");  // NOLINT
-  if (IsFramebufferReservedId(framebuffer)) {
-    SetGLError(
-        GL_INVALID_OPERATION, "BindFramebuffer", "framebuffer reserved id");
-    return;
-  }
-  BindFramebufferHelper(target, framebuffer);
-  helper_->BindFramebuffer(target, framebuffer);
-}
-
-void BindRenderbuffer(GLenum target, GLuint renderbuffer) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindRenderbuffer(" << GLES2Util::GetStringRenderBufferTarget(target) << ", " << renderbuffer << ")");  // NOLINT
-  if (IsRenderbufferReservedId(renderbuffer)) {
-    SetGLError(
-        GL_INVALID_OPERATION, "BindRenderbuffer", "renderbuffer reserved id");
-    return;
-  }
-  BindRenderbufferHelper(target, renderbuffer);
-  helper_->BindRenderbuffer(target, renderbuffer);
-}
-
-void BindTexture(GLenum target, GLuint texture) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindTexture(" << GLES2Util::GetStringTextureBindTarget(target) << ", " << texture << ")");  // NOLINT
-  if (IsTextureReservedId(texture)) {
-    SetGLError(GL_INVALID_OPERATION, "BindTexture", "texture reserved id");
-    return;
-  }
-  BindTextureHelper(target, texture);
-  helper_->BindTexture(target, texture);
-}
-
-void BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBlendColor(" << red << ", " << green << ", " << blue << ", " << alpha << ")");  // NOLINT
-  helper_->BlendColor(red, green, blue, alpha);
-}
-
-void BlendEquation(GLenum mode) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBlendEquation(" << GLES2Util::GetStringEquation(mode) << ")");  // NOLINT
-  helper_->BlendEquation(mode);
-}
-
-void BlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBlendEquationSeparate(" << GLES2Util::GetStringEquation(modeRGB) << ", " << GLES2Util::GetStringEquation(modeAlpha) << ")");  // NOLINT
-  helper_->BlendEquationSeparate(modeRGB, modeAlpha);
-}
-
-void BlendFunc(GLenum sfactor, GLenum dfactor) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBlendFunc(" << GLES2Util::GetStringSrcBlendFactor(sfactor) << ", " << GLES2Util::GetStringDstBlendFactor(dfactor) << ")");  // NOLINT
-  helper_->BlendFunc(sfactor, dfactor);
-}
-
-void BlendFuncSeparate(
-    GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBlendFuncSeparate(" << GLES2Util::GetStringSrcBlendFactor(srcRGB) << ", " << GLES2Util::GetStringDstBlendFactor(dstRGB) << ", " << GLES2Util::GetStringSrcBlendFactor(srcAlpha) << ", " << GLES2Util::GetStringDstBlendFactor(dstAlpha) << ")");  // NOLINT
-  helper_->BlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);
-}
-
-void BufferData(
-    GLenum target, GLsizeiptr size, const void* data, GLenum usage);
-
-void BufferSubData(
-    GLenum target, GLintptr offset, GLsizeiptr size, const void* data);
-
-GLenum CheckFramebufferStatus(GLenum target) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCheckFramebufferStatus(" << GLES2Util::GetStringFrameBufferTarget(target) << ")");  // NOLINT
-  typedef CheckFramebufferStatus::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return GL_FRAMEBUFFER_UNSUPPORTED;
-  }
-  *result = 0;
-  helper_->CheckFramebufferStatus(
-      target, GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  GPU_CLIENT_LOG("returned " << *result);
-  return *result;
-}
-
-void Clear(GLbitfield mask);
-
-void ClearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glClearColor(" << red << ", " << green << ", " << blue << ", " << alpha << ")");  // NOLINT
-  helper_->ClearColor(red, green, blue, alpha);
-}
-
-void ClearDepthf(GLclampf depth) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glClearDepthf(" << depth << ")");
-  helper_->ClearDepthf(depth);
-}
-
-void ClearStencil(GLint s) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glClearStencil(" << s << ")");
-  helper_->ClearStencil(s);
-}
-
-void ColorMask(
-    GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glColorMask(" << GLES2Util::GetStringBool(red) << ", " << GLES2Util::GetStringBool(green) << ", " << GLES2Util::GetStringBool(blue) << ", " << GLES2Util::GetStringBool(alpha) << ")");  // NOLINT
-  helper_->ColorMask(red, green, blue, alpha);
-}
-
-void CompileShader(GLuint shader) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCompileShader(" << shader << ")");  // NOLINT
-  helper_->CompileShader(shader);
-}
-
-void CompressedTexImage2D(
+virtual void ActiveTexture(GLenum texture) OVERRIDE;
+
+virtual void AttachShader(GLuint program, GLuint shader) OVERRIDE;
+
+virtual void BindAttribLocation(
+    GLuint program, GLuint index, const char* name) OVERRIDE;
+
+virtual void BindBuffer(GLenum target, GLuint buffer) OVERRIDE;
+
+virtual void BindFramebuffer(GLenum target, GLuint framebuffer) OVERRIDE;
+
+virtual void BindRenderbuffer(GLenum target, GLuint renderbuffer) OVERRIDE;
+
+virtual void BindTexture(GLenum target, GLuint texture) OVERRIDE;
+
+virtual void BlendColor(
+    GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) OVERRIDE;
+
+virtual void BlendEquation(GLenum mode) OVERRIDE;
+
+virtual void BlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) OVERRIDE;
+
+virtual void BlendFunc(GLenum sfactor, GLenum dfactor) OVERRIDE;
+
+virtual void BlendFuncSeparate(
+    GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) OVERRIDE;
+
+virtual void BufferData(
+    GLenum target, GLsizeiptr size, const void* data, GLenum usage) OVERRIDE;
+
+virtual void BufferSubData(
+    GLenum target, GLintptr offset, GLsizeiptr size,
+    const void* data) OVERRIDE;
+
+virtual GLenum CheckFramebufferStatus(GLenum target) OVERRIDE;
+
+virtual void Clear(GLbitfield mask) OVERRIDE;
+
+virtual void ClearColor(
+    GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) OVERRIDE;
+
+virtual void ClearDepthf(GLclampf depth) OVERRIDE;
+
+virtual void ClearStencil(GLint s) OVERRIDE;
+
+virtual void ColorMask(
+    GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) OVERRIDE;
+
+virtual void CompileShader(GLuint shader) OVERRIDE;
+
+virtual void CompressedTexImage2D(
     GLenum target, GLint level, GLenum internalformat, GLsizei width,
-    GLsizei height, GLint border, GLsizei imageSize, const void* data);
-
-void CompressedTexSubImage2D(
+    GLsizei height, GLint border, GLsizei imageSize,
+    const void* data) OVERRIDE;
+
+virtual void CompressedTexSubImage2D(
     GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
-    GLsizei height, GLenum format, GLsizei imageSize, const void* data);
-
-void CopyTexImage2D(
+    GLsizei height, GLenum format, GLsizei imageSize,
+    const void* data) OVERRIDE;
+
+virtual void CopyTexImage2D(
     GLenum target, GLint level, GLenum internalformat, GLint x, GLint y,
-    GLsizei width, GLsizei height, GLint border) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCopyTexImage2D(" << GLES2Util::GetStringTextureTarget(target) << ", " << level << ", " << GLES2Util::GetStringTextureInternalFormat(internalformat) << ", " << x << ", " << y << ", " << width << ", " << height << ", " << border << ")");  // NOLINT
-  if (width < 0) {
-    SetGLError(GL_INVALID_VALUE, "glCopyTexImage2D", "width < 0");
-    return;
-  }
-  if (height < 0) {
-    SetGLError(GL_INVALID_VALUE, "glCopyTexImage2D", "height < 0");
-    return;
-  }
-  helper_->CopyTexImage2D(
-      target, level, internalformat, x, y, width, height, border);
-}
-
-void CopyTexSubImage2D(
+    GLsizei width, GLsizei height, GLint border) OVERRIDE;
+
+virtual void CopyTexSubImage2D(
     GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y,
-    GLsizei width, GLsizei height) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCopyTexSubImage2D(" << GLES2Util::GetStringTextureTarget(target) << ", " << level << ", " << xoffset << ", " << yoffset << ", " << x << ", " << y << ", " << width << ", " << height << ")");  // NOLINT
-  if (width < 0) {
-    SetGLError(GL_INVALID_VALUE, "glCopyTexSubImage2D", "width < 0");
-    return;
-  }
-  if (height < 0) {
-    SetGLError(GL_INVALID_VALUE, "glCopyTexSubImage2D", "height < 0");
-    return;
-  }
-  helper_->CopyTexSubImage2D(
-      target, level, xoffset, yoffset, x, y, width, height);
-}
-
-GLuint CreateProgram() {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCreateProgram(" << ")");
-  GLuint client_id;
-  GetIdHandler(id_namespaces::kProgramsAndShaders)->
-      MakeIds(this, 0, 1, &client_id);
-  helper_->CreateProgram(client_id);
-  GPU_CLIENT_LOG("returned " << client_id);
-  return client_id;
-}
-
-GLuint CreateShader(GLenum type) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCreateShader(" << GLES2Util::GetStringShaderType(type) << ")");  // NOLINT
-  GLuint client_id;
-  GetIdHandler(id_namespaces::kProgramsAndShaders)->
-      MakeIds(this, 0, 1, &client_id);
-  helper_->CreateShader(type, client_id);
-  GPU_CLIENT_LOG("returned " << client_id);
-  return client_id;
-}
-
-void CullFace(GLenum mode) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCullFace(" << GLES2Util::GetStringFaceType(mode) << ")");  // NOLINT
-  helper_->CullFace(mode);
-}
-
-void DeleteBuffers(GLsizei n, const GLuint* buffers) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDeleteBuffers(" << n << ", " << static_cast<const void*>(buffers) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << buffers[i]);
-    }
-  });
-  GPU_CLIENT_DCHECK_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_DCHECK(buffers[i] != 0);
-    }
-  });
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glDeleteBuffers", "n < 0");
-    return;
-  }
-  DeleteBuffersHelper(n, buffers);
-}
-
-void DeleteFramebuffers(GLsizei n, const GLuint* framebuffers) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDeleteFramebuffers(" << n << ", " << static_cast<const void*>(framebuffers) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << framebuffers[i]);
-    }
-  });
-  GPU_CLIENT_DCHECK_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_DCHECK(framebuffers[i] != 0);
-    }
-  });
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glDeleteFramebuffers", "n < 0");
-    return;
-  }
-  DeleteFramebuffersHelper(n, framebuffers);
-}
-
-void DeleteProgram(GLuint program) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDeleteProgram(" << program << ")");  // NOLINT
-  GPU_CLIENT_DCHECK(program != 0);
-  DeleteProgramHelper(program);
-}
-
-void DeleteRenderbuffers(GLsizei n, const GLuint* renderbuffers) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDeleteRenderbuffers(" << n << ", " << static_cast<const void*>(renderbuffers) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << renderbuffers[i]);
-    }
-  });
-  GPU_CLIENT_DCHECK_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_DCHECK(renderbuffers[i] != 0);
-    }
-  });
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glDeleteRenderbuffers", "n < 0");
-    return;
-  }
-  DeleteRenderbuffersHelper(n, renderbuffers);
-}
-
-void DeleteShader(GLuint shader) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDeleteShader(" << shader << ")");
-  GPU_CLIENT_DCHECK(shader != 0);
-  DeleteShaderHelper(shader);
-}
-
-void DeleteTextures(GLsizei n, const GLuint* textures) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDeleteTextures(" << n << ", " << static_cast<const void*>(textures) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << textures[i]);
-    }
-  });
-  GPU_CLIENT_DCHECK_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_DCHECK(textures[i] != 0);
-    }
-  });
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glDeleteTextures", "n < 0");
-    return;
-  }
-  DeleteTexturesHelper(n, textures);
-}
-
-void DepthFunc(GLenum func) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDepthFunc(" << GLES2Util::GetStringCmpFunction(func) << ")");  // NOLINT
-  helper_->DepthFunc(func);
-}
-
-void DepthMask(GLboolean flag) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDepthMask(" << GLES2Util::GetStringBool(flag) << ")");  // NOLINT
-  helper_->DepthMask(flag);
-}
-
-void DepthRangef(GLclampf zNear, GLclampf zFar) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDepthRangef(" << zNear << ", " << zFar << ")");  // NOLINT
-  helper_->DepthRangef(zNear, zFar);
-}
-
-void DetachShader(GLuint program, GLuint shader) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDetachShader(" << program << ", " << shader << ")");  // NOLINT
-  helper_->DetachShader(program, shader);
-}
-
-void Disable(GLenum cap);
-
-void DrawArrays(GLenum mode, GLint first, GLsizei count);
-
-void DrawElements(
-    GLenum mode, GLsizei count, GLenum type, const void* indices);
-
-void Enable(GLenum cap);
-
-void Finish();
-
-void Flush();
-
-void ShallowFlushCHROMIUM();
-
-void FramebufferRenderbuffer(
+    GLsizei width, GLsizei height) OVERRIDE;
+
+virtual GLuint CreateProgram() OVERRIDE;
+
+virtual GLuint CreateShader(GLenum type) OVERRIDE;
+
+virtual void CullFace(GLenum mode) OVERRIDE;
+
+virtual void DeleteBuffers(GLsizei n, const GLuint* buffers) OVERRIDE;
+
+virtual void DeleteFramebuffers(
+    GLsizei n, const GLuint* framebuffers) OVERRIDE;
+
+virtual void DeleteProgram(GLuint program) OVERRIDE;
+
+virtual void DeleteRenderbuffers(
+    GLsizei n, const GLuint* renderbuffers) OVERRIDE;
+
+virtual void DeleteShader(GLuint shader) OVERRIDE;
+
+virtual void DeleteTextures(GLsizei n, const GLuint* textures) OVERRIDE;
+
+virtual void DepthFunc(GLenum func) OVERRIDE;
+
+virtual void DepthMask(GLboolean flag) OVERRIDE;
+
+virtual void DepthRangef(GLclampf zNear, GLclampf zFar) OVERRIDE;
+
+virtual void DetachShader(GLuint program, GLuint shader) OVERRIDE;
+
+virtual void Disable(GLenum cap) OVERRIDE;
+
+virtual void DrawArrays(GLenum mode, GLint first, GLsizei count) OVERRIDE;
+
+virtual void DrawElements(
+    GLenum mode, GLsizei count, GLenum type, const void* indices) OVERRIDE;
+
+virtual void Enable(GLenum cap) OVERRIDE;
+
+virtual void Finish() OVERRIDE;
+
+virtual void Flush() OVERRIDE;
+
+virtual void ShallowFlushCHROMIUM() OVERRIDE;
+
+virtual void FramebufferRenderbuffer(
     GLenum target, GLenum attachment, GLenum renderbuffertarget,
-    GLuint renderbuffer) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glFramebufferRenderbuffer(" << GLES2Util::GetStringFrameBufferTarget(target) << ", " << GLES2Util::GetStringAttachment(attachment) << ", " << GLES2Util::GetStringRenderBufferTarget(renderbuffertarget) << ", " << renderbuffer << ")");  // NOLINT
-  helper_->FramebufferRenderbuffer(
-      target, attachment, renderbuffertarget, renderbuffer);
-}
-
-void FramebufferTexture2D(
+    GLuint renderbuffer) OVERRIDE;
+
+virtual void FramebufferTexture2D(
     GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
-    GLint level) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glFramebufferTexture2D(" << GLES2Util::GetStringFrameBufferTarget(target) << ", " << GLES2Util::GetStringAttachment(attachment) << ", " << GLES2Util::GetStringTextureTarget(textarget) << ", " << texture << ", " << level << ")");  // NOLINT
-  helper_->FramebufferTexture2D(target, attachment, textarget, texture, level);
-}
-
-void FrontFace(GLenum mode) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glFrontFace(" << GLES2Util::GetStringFaceMode(mode) << ")");  // NOLINT
-  helper_->FrontFace(mode);
-}
-
-void GenBuffers(GLsizei n, GLuint* buffers) {
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenBuffers(" << n << ", " << static_cast<const void*>(buffers) << ")");  // NOLINT
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glGenBuffers", "n < 0");
-    return;
-  }
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GetIdHandler(id_namespaces::kBuffers)->
-      MakeIds(this, 0, n, buffers);
-  helper_->GenBuffersImmediate(n, buffers);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << buffers[i]);
-    }
-  });
-}
-
-void GenerateMipmap(GLenum target) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenerateMipmap(" << GLES2Util::GetStringTextureBindTarget(target) << ")");  // NOLINT
-  helper_->GenerateMipmap(target);
-}
-
-void GenFramebuffers(GLsizei n, GLuint* framebuffers) {
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenFramebuffers(" << n << ", " << static_cast<const void*>(framebuffers) << ")");  // NOLINT
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glGenFramebuffers", "n < 0");
-    return;
-  }
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GetIdHandler(id_namespaces::kFramebuffers)->
-      MakeIds(this, 0, n, framebuffers);
-  helper_->GenFramebuffersImmediate(n, framebuffers);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << framebuffers[i]);
-    }
-  });
-}
-
-void GenRenderbuffers(GLsizei n, GLuint* renderbuffers) {
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenRenderbuffers(" << n << ", " << static_cast<const void*>(renderbuffers) << ")");  // NOLINT
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glGenRenderbuffers", "n < 0");
-    return;
-  }
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GetIdHandler(id_namespaces::kRenderbuffers)->
-      MakeIds(this, 0, n, renderbuffers);
-  helper_->GenRenderbuffersImmediate(n, renderbuffers);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << renderbuffers[i]);
-    }
-  });
-}
-
-void GenTextures(GLsizei n, GLuint* textures) {
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenTextures(" << n << ", " << static_cast<const void*>(textures) << ")");  // NOLINT
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glGenTextures", "n < 0");
-    return;
-  }
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GetIdHandler(id_namespaces::kTextures)->
-      MakeIds(this, 0, n, textures);
-  helper_->GenTexturesImmediate(n, textures);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << textures[i]);
-    }
-  });
-}
-
-void GetActiveAttrib(
+    GLint level) OVERRIDE;
+
+virtual void FrontFace(GLenum mode) OVERRIDE;
+
+virtual void GenBuffers(GLsizei n, GLuint* buffers) OVERRIDE;
+
+virtual void GenerateMipmap(GLenum target) OVERRIDE;
+
+virtual void GenFramebuffers(GLsizei n, GLuint* framebuffers) OVERRIDE;
+
+virtual void GenRenderbuffers(GLsizei n, GLuint* renderbuffers) OVERRIDE;
+
+virtual void GenTextures(GLsizei n, GLuint* textures) OVERRIDE;
+
+virtual void GetActiveAttrib(
     GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
-    GLenum* type, char* name);
-
-void GetActiveUniform(
+    GLenum* type, char* name) OVERRIDE;
+
+virtual void GetActiveUniform(
     GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
-    GLenum* type, char* name);
-
-void GetAttachedShaders(
-    GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders);
-
-GLint GetAttribLocation(GLuint program, const char* name);
-
-void GetBooleanv(GLenum pname, GLboolean* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLboolean, params);
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetBooleanv(" << GLES2Util::GetStringGLState(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetBooleanvHelper(pname, params)) {
-    return;
-  }
-  typedef GetBooleanv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetBooleanv(pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-void GetBufferParameteriv(GLenum target, GLenum pname, GLint* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLint, params);
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetBufferParameteriv(" << GLES2Util::GetStringBufferTarget(target) << ", " << GLES2Util::GetStringBufferParameter(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetBufferParameterivHelper(target, pname, params)) {
-    return;
-  }
-  typedef GetBufferParameteriv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetBufferParameteriv(target, pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-GLenum GetError();
-
-void GetFloatv(GLenum pname, GLfloat* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetFloatv(" << GLES2Util::GetStringGLState(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetFloatvHelper(pname, params)) {
-    return;
-  }
-  typedef GetFloatv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetFloatv(pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-void GetFramebufferAttachmentParameteriv(
-    GLenum target, GLenum attachment, GLenum pname, GLint* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLint, params);
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetFramebufferAttachmentParameteriv(" << GLES2Util::GetStringFrameBufferTarget(target) << ", " << GLES2Util::GetStringAttachment(attachment) << ", " << GLES2Util::GetStringFrameBufferParameter(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetFramebufferAttachmentParameterivHelper(
-      target, attachment, pname, params)) {
-    return;
-  }
-  typedef GetFramebufferAttachmentParameteriv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetFramebufferAttachmentParameteriv(target, attachment, pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-void GetIntegerv(GLenum pname, GLint* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLint, params);
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetIntegerv(" << GLES2Util::GetStringGLState(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetIntegervHelper(pname, params)) {
-    return;
-  }
-  typedef GetIntegerv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetIntegerv(pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-void GetProgramiv(GLuint program, GLenum pname, GLint* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLint, params);
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetProgramiv(" << program << ", " << GLES2Util::GetStringProgramParameter(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetProgramivHelper(program, pname, params)) {
-    return;
-  }
-  typedef GetProgramiv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetProgramiv(program, pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-void GetProgramInfoLog(
-    GLuint program, GLsizei bufsize, GLsizei* length, char* infolog) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_OPTIONAL_INITALIZATION(GLsizei, length);
-  GPU_CLIENT_LOG("[" << GetLogPrefix()
-      << "] glGetProgramInfoLog" << "("
-      << program << ", "
-      << bufsize << ", "
-      << static_cast<void*>(length) << ", "
-      << static_cast<void*>(infolog) << ")");
-  helper_->SetBucketSize(kResultBucketId, 0);
-  helper_->GetProgramInfoLog(program, kResultBucketId);
-  std::string str;
-  GLsizei max_size = 0;
-  if (GetBucketAsString(kResultBucketId, &str)) {
-    if (bufsize > 0) {
-      max_size =
-          std::min(static_cast<size_t>(bufsize) - 1, str.size());
-      memcpy(infolog, str.c_str(), max_size);
-      infolog[max_size] = '\0';
-      GPU_CLIENT_LOG("------\n" << infolog << "\n------");
-    }
-  }
-  if (length != NULL) {
-    *length = max_size;
-  }
-}
-void GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLint, params);
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetRenderbufferParameteriv(" << GLES2Util::GetStringRenderBufferTarget(target) << ", " << GLES2Util::GetStringRenderBufferParameter(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetRenderbufferParameterivHelper(target, pname, params)) {
-    return;
-  }
-  typedef GetRenderbufferParameteriv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetRenderbufferParameteriv(target, pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-void GetShaderiv(GLuint shader, GLenum pname, GLint* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLint, params);
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetShaderiv(" << shader << ", " << GLES2Util::GetStringShaderParameter(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetShaderivHelper(shader, pname, params)) {
-    return;
-  }
-  typedef GetShaderiv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetShaderiv(shader, pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-void GetShaderInfoLog(
-    GLuint shader, GLsizei bufsize, GLsizei* length, char* infolog) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_OPTIONAL_INITALIZATION(GLsizei, length);
-  GPU_CLIENT_LOG("[" << GetLogPrefix()
-      << "] glGetShaderInfoLog" << "("
-      << shader << ", "
-      << bufsize << ", "
-      << static_cast<void*>(length) << ", "
-      << static_cast<void*>(infolog) << ")");
-  helper_->SetBucketSize(kResultBucketId, 0);
-  helper_->GetShaderInfoLog(shader, kResultBucketId);
-  std::string str;
-  GLsizei max_size = 0;
-  if (GetBucketAsString(kResultBucketId, &str)) {
-    if (bufsize > 0) {
-      max_size =
-          std::min(static_cast<size_t>(bufsize) - 1, str.size());
-      memcpy(infolog, str.c_str(), max_size);
-      infolog[max_size] = '\0';
-      GPU_CLIENT_LOG("------\n" << infolog << "\n------");
-    }
-  }
-  if (length != NULL) {
-    *length = max_size;
-  }
-}
-void GetShaderPrecisionFormat(
-    GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision);
-
-void GetShaderSource(
-    GLuint shader, GLsizei bufsize, GLsizei* length, char* source) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_OPTIONAL_INITALIZATION(GLsizei, length);
-  GPU_CLIENT_LOG("[" << GetLogPrefix()
-      << "] glGetShaderSource" << "("
-      << shader << ", "
-      << bufsize << ", "
-      << static_cast<void*>(length) << ", "
-      << static_cast<void*>(source) << ")");
-  helper_->SetBucketSize(kResultBucketId, 0);
-  helper_->GetShaderSource(shader, kResultBucketId);
-  std::string str;
-  GLsizei max_size = 0;
-  if (GetBucketAsString(kResultBucketId, &str)) {
-    if (bufsize > 0) {
-      max_size =
-          std::min(static_cast<size_t>(bufsize) - 1, str.size());
-      memcpy(source, str.c_str(), max_size);
-      source[max_size] = '\0';
-      GPU_CLIENT_LOG("------\n" << source << "\n------");
-    }
-  }
-  if (length != NULL) {
-    *length = max_size;
-  }
-}
-const GLubyte* GetString(GLenum name);
-
-void GetTexParameterfv(GLenum target, GLenum pname, GLfloat* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetTexParameterfv(" << GLES2Util::GetStringGetTexParamTarget(target) << ", " << GLES2Util::GetStringTextureParameter(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetTexParameterfvHelper(target, pname, params)) {
-    return;
-  }
-  typedef GetTexParameterfv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetTexParameterfv(target, pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-void GetTexParameteriv(GLenum target, GLenum pname, GLint* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLint, params);
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetTexParameteriv(" << GLES2Util::GetStringGetTexParamTarget(target) << ", " << GLES2Util::GetStringTextureParameter(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  if (GetTexParameterivHelper(target, pname, params)) {
-    return;
-  }
-  typedef GetTexParameteriv::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return;
-  }
-  result->SetNumResults(0);
-  helper_->GetTexParameteriv(target, pname,
-      GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  result->CopyResult(params);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (int32 i = 0; i < result->GetNumResults(); ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
-    }
-  });
-}
-void GetUniformfv(GLuint program, GLint location, GLfloat* params);
-
-void GetUniformiv(GLuint program, GLint location, GLint* params);
-
-GLint GetUniformLocation(GLuint program, const char* name);
-
-void GetVertexAttribPointerv(GLuint index, GLenum pname, void** pointer);
-
-void Hint(GLenum target, GLenum mode) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glHint(" << GLES2Util::GetStringHintTarget(target) << ", " << GLES2Util::GetStringHintMode(mode) << ")");  // NOLINT
-  helper_->Hint(target, mode);
-}
-
-GLboolean IsBuffer(GLuint buffer) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsBuffer(" << buffer << ")");
-  typedef IsBuffer::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return GL_FALSE;
-  }
-  *result = 0;
-  helper_->IsBuffer(buffer, GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  GPU_CLIENT_LOG("returned " << *result);
-  return *result;
-}
-
-GLboolean IsEnabled(GLenum cap);
-
-GLboolean IsFramebuffer(GLuint framebuffer) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsFramebuffer(" << framebuffer << ")");  // NOLINT
-  typedef IsFramebuffer::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return GL_FALSE;
-  }
-  *result = 0;
-  helper_->IsFramebuffer(framebuffer, GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  GPU_CLIENT_LOG("returned " << *result);
-  return *result;
-}
-
-GLboolean IsProgram(GLuint program) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsProgram(" << program << ")");
-  typedef IsProgram::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return GL_FALSE;
-  }
-  *result = 0;
-  helper_->IsProgram(program, GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  GPU_CLIENT_LOG("returned " << *result);
-  return *result;
-}
-
-GLboolean IsRenderbuffer(GLuint renderbuffer) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsRenderbuffer(" << renderbuffer << ")");  // NOLINT
-  typedef IsRenderbuffer::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return GL_FALSE;
-  }
-  *result = 0;
-  helper_->IsRenderbuffer(
-      renderbuffer, GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  GPU_CLIENT_LOG("returned " << *result);
-  return *result;
-}
-
-GLboolean IsShader(GLuint shader) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsShader(" << shader << ")");
-  typedef IsShader::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return GL_FALSE;
-  }
-  *result = 0;
-  helper_->IsShader(shader, GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  GPU_CLIENT_LOG("returned " << *result);
-  return *result;
-}
-
-GLboolean IsTexture(GLuint texture) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsTexture(" << texture << ")");
-  typedef IsTexture::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return GL_FALSE;
-  }
-  *result = 0;
-  helper_->IsTexture(texture, GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  GPU_CLIENT_LOG("returned " << *result);
-  return *result;
-}
-
-void LineWidth(GLfloat width) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glLineWidth(" << width << ")");
-  helper_->LineWidth(width);
-}
-
-void LinkProgram(GLuint program);
-
-void PixelStorei(GLenum pname, GLint param);
-
-void PolygonOffset(GLfloat factor, GLfloat units) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glPolygonOffset(" << factor << ", " << units << ")");  // NOLINT
-  helper_->PolygonOffset(factor, units);
-}
-
-void ReadPixels(
+    GLenum* type, char* name) OVERRIDE;
+
+virtual void GetAttachedShaders(
+    GLuint program, GLsizei maxcount, GLsizei* count,
+    GLuint* shaders) OVERRIDE;
+
+virtual GLint GetAttribLocation(GLuint program, const char* name) OVERRIDE;
+
+virtual void GetBooleanv(GLenum pname, GLboolean* params) OVERRIDE;
+
+virtual void GetBufferParameteriv(
+    GLenum target, GLenum pname, GLint* params) OVERRIDE;
+
+virtual GLenum GetError() OVERRIDE;
+
+virtual void GetFloatv(GLenum pname, GLfloat* params) OVERRIDE;
+
+virtual void GetFramebufferAttachmentParameteriv(
+    GLenum target, GLenum attachment, GLenum pname, GLint* params) OVERRIDE;
+
+virtual void GetIntegerv(GLenum pname, GLint* params) OVERRIDE;
+
+virtual void GetProgramiv(
+    GLuint program, GLenum pname, GLint* params) OVERRIDE;
+
+virtual void GetProgramInfoLog(
+    GLuint program, GLsizei bufsize, GLsizei* length, char* infolog) OVERRIDE;
+
+virtual void GetRenderbufferParameteriv(
+    GLenum target, GLenum pname, GLint* params) OVERRIDE;
+
+virtual void GetShaderiv(GLuint shader, GLenum pname, GLint* params) OVERRIDE;
+
+virtual void GetShaderInfoLog(
+    GLuint shader, GLsizei bufsize, GLsizei* length, char* infolog) OVERRIDE;
+
+virtual void GetShaderPrecisionFormat(
+    GLenum shadertype, GLenum precisiontype, GLint* range,
+    GLint* precision) OVERRIDE;
+
+virtual void GetShaderSource(
+    GLuint shader, GLsizei bufsize, GLsizei* length, char* source) OVERRIDE;
+
+virtual const GLubyte* GetString(GLenum name) OVERRIDE;
+
+virtual void GetTexParameterfv(
+    GLenum target, GLenum pname, GLfloat* params) OVERRIDE;
+
+virtual void GetTexParameteriv(
+    GLenum target, GLenum pname, GLint* params) OVERRIDE;
+
+virtual void GetUniformfv(
+    GLuint program, GLint location, GLfloat* params) OVERRIDE;
+
+virtual void GetUniformiv(
+    GLuint program, GLint location, GLint* params) OVERRIDE;
+
+virtual GLint GetUniformLocation(GLuint program, const char* name) OVERRIDE;
+
+virtual void GetVertexAttribPointerv(
+    GLuint index, GLenum pname, void** pointer) OVERRIDE;
+
+virtual void Hint(GLenum target, GLenum mode) OVERRIDE;
+
+virtual GLboolean IsBuffer(GLuint buffer) OVERRIDE;
+
+virtual GLboolean IsEnabled(GLenum cap) OVERRIDE;
+
+virtual GLboolean IsFramebuffer(GLuint framebuffer) OVERRIDE;
+
+virtual GLboolean IsProgram(GLuint program) OVERRIDE;
+
+virtual GLboolean IsRenderbuffer(GLuint renderbuffer) OVERRIDE;
+
+virtual GLboolean IsShader(GLuint shader) OVERRIDE;
+
+virtual GLboolean IsTexture(GLuint texture) OVERRIDE;
+
+virtual void LineWidth(GLfloat width) OVERRIDE;
+
+virtual void LinkProgram(GLuint program) OVERRIDE;
+
+virtual void PixelStorei(GLenum pname, GLint param) OVERRIDE;
+
+virtual void PolygonOffset(GLfloat factor, GLfloat units) OVERRIDE;
+
+virtual void ReadPixels(
     GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
-    void* pixels);
-
-void ReleaseShaderCompiler() {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glReleaseShaderCompiler(" << ")");
-  helper_->ReleaseShaderCompiler();
-}
-
-void RenderbufferStorage(
-    GLenum target, GLenum internalformat, GLsizei width, GLsizei height) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glRenderbufferStorage(" << GLES2Util::GetStringRenderBufferTarget(target) << ", " << GLES2Util::GetStringRenderBufferFormat(internalformat) << ", " << width << ", " << height << ")");  // NOLINT
-  if (width < 0) {
-    SetGLError(GL_INVALID_VALUE, "glRenderbufferStorage", "width < 0");
-    return;
-  }
-  if (height < 0) {
-    SetGLError(GL_INVALID_VALUE, "glRenderbufferStorage", "height < 0");
-    return;
-  }
-  helper_->RenderbufferStorage(target, internalformat, width, height);
-}
-
-void SampleCoverage(GLclampf value, GLboolean invert) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glSampleCoverage(" << value << ", " << GLES2Util::GetStringBool(invert) << ")");  // NOLINT
-  helper_->SampleCoverage(value, invert);
-}
-
-void Scissor(GLint x, GLint y, GLsizei width, GLsizei height) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glScissor(" << x << ", " << y << ", " << width << ", " << height << ")");  // NOLINT
-  if (width < 0) {
-    SetGLError(GL_INVALID_VALUE, "glScissor", "width < 0");
-    return;
-  }
-  if (height < 0) {
-    SetGLError(GL_INVALID_VALUE, "glScissor", "height < 0");
-    return;
-  }
-  helper_->Scissor(x, y, width, height);
-}
-
-void ShaderBinary(
+    void* pixels) OVERRIDE;
+
+virtual void ReleaseShaderCompiler() OVERRIDE;
+
+virtual void RenderbufferStorage(
+    GLenum target, GLenum internalformat, GLsizei width,
+    GLsizei height) OVERRIDE;
+
+virtual void SampleCoverage(GLclampf value, GLboolean invert) OVERRIDE;
+
+virtual void Scissor(GLint x, GLint y, GLsizei width, GLsizei height) OVERRIDE;
+
+virtual void ShaderBinary(
     GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
-    GLsizei length);
-
-void ShaderSource(
-    GLuint shader, GLsizei count, const char** str, const GLint* length);
-
-void StencilFunc(GLenum func, GLint ref, GLuint mask) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glStencilFunc(" << GLES2Util::GetStringCmpFunction(func) << ", " << ref << ", " << mask << ")");  // NOLINT
-  helper_->StencilFunc(func, ref, mask);
-}
-
-void StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glStencilFuncSeparate(" << GLES2Util::GetStringFaceType(face) << ", " << GLES2Util::GetStringCmpFunction(func) << ", " << ref << ", " << mask << ")");  // NOLINT
-  helper_->StencilFuncSeparate(face, func, ref, mask);
-}
-
-void StencilMask(GLuint mask) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glStencilMask(" << mask << ")");
-  helper_->StencilMask(mask);
-}
-
-void StencilMaskSeparate(GLenum face, GLuint mask) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glStencilMaskSeparate(" << GLES2Util::GetStringFaceType(face) << ", " << mask << ")");  // NOLINT
-  helper_->StencilMaskSeparate(face, mask);
-}
-
-void StencilOp(GLenum fail, GLenum zfail, GLenum zpass) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glStencilOp(" << GLES2Util::GetStringStencilOp(fail) << ", " << GLES2Util::GetStringStencilOp(zfail) << ", " << GLES2Util::GetStringStencilOp(zpass) << ")");  // NOLINT
-  helper_->StencilOp(fail, zfail, zpass);
-}
-
-void StencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glStencilOpSeparate(" << GLES2Util::GetStringFaceType(face) << ", " << GLES2Util::GetStringStencilOp(fail) << ", " << GLES2Util::GetStringStencilOp(zfail) << ", " << GLES2Util::GetStringStencilOp(zpass) << ")");  // NOLINT
-  helper_->StencilOpSeparate(face, fail, zfail, zpass);
-}
-
-void TexImage2D(
+    GLsizei length) OVERRIDE;
+
+virtual void ShaderSource(
+    GLuint shader, GLsizei count, const char** str,
+    const GLint* length) OVERRIDE;
+
+virtual void StencilFunc(GLenum func, GLint ref, GLuint mask) OVERRIDE;
+
+virtual void StencilFuncSeparate(
+    GLenum face, GLenum func, GLint ref, GLuint mask) OVERRIDE;
+
+virtual void StencilMask(GLuint mask) OVERRIDE;
+
+virtual void StencilMaskSeparate(GLenum face, GLuint mask) OVERRIDE;
+
+virtual void StencilOp(GLenum fail, GLenum zfail, GLenum zpass) OVERRIDE;
+
+virtual void StencilOpSeparate(
+    GLenum face, GLenum fail, GLenum zfail, GLenum zpass) OVERRIDE;
+
+virtual void TexImage2D(
     GLenum target, GLint level, GLint internalformat, GLsizei width,
     GLsizei height, GLint border, GLenum format, GLenum type,
-    const void* pixels);
-
-void TexParameterf(GLenum target, GLenum pname, GLfloat param) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexParameterf(" << GLES2Util::GetStringTextureBindTarget(target) << ", " << GLES2Util::GetStringTextureParameter(pname) << ", " << param << ")");  // NOLINT
-  helper_->TexParameterf(target, pname, param);
-}
-
-void TexParameterfv(GLenum target, GLenum pname, const GLfloat* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexParameterfv(" << GLES2Util::GetStringTextureBindTarget(target) << ", " << GLES2Util::GetStringTextureParameter(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  GPU_CLIENT_LOG("values: " << params[0]);
-  helper_->TexParameterfvImmediate(target, pname, params);
-}
-
-void TexParameteri(GLenum target, GLenum pname, GLint param) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexParameteri(" << GLES2Util::GetStringTextureBindTarget(target) << ", " << GLES2Util::GetStringTextureParameter(pname) << ", " << param << ")");  // NOLINT
-  helper_->TexParameteri(target, pname, param);
-}
-
-void TexParameteriv(GLenum target, GLenum pname, const GLint* params) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexParameteriv(" << GLES2Util::GetStringTextureBindTarget(target) << ", " << GLES2Util::GetStringTextureParameter(pname) << ", " << static_cast<const void*>(params) << ")");  // NOLINT
-  GPU_CLIENT_LOG("values: " << params[0]);
-  helper_->TexParameterivImmediate(target, pname, params);
-}
-
-void TexSubImage2D(
+    const void* pixels) OVERRIDE;
+
+virtual void TexParameterf(
+    GLenum target, GLenum pname, GLfloat param) OVERRIDE;
+
+virtual void TexParameterfv(
+    GLenum target, GLenum pname, const GLfloat* params) OVERRIDE;
+
+virtual void TexParameteri(GLenum target, GLenum pname, GLint param) OVERRIDE;
+
+virtual void TexParameteriv(
+    GLenum target, GLenum pname, const GLint* params) OVERRIDE;
+
+virtual void TexSubImage2D(
     GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
-    GLsizei height, GLenum format, GLenum type, const void* pixels);
-
-void Uniform1f(GLint location, GLfloat x) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform1f(" << location << ", " << x << ")");  // NOLINT
-  helper_->Uniform1f(location, x);
-}
-
-void Uniform1fv(GLint location, GLsizei count, const GLfloat* v) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform1fv(" << location << ", " << count << ", " << static_cast<const void*>(v) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << v[0 + i * 1]);
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniform1fv", "count < 0");
-    return;
-  }
-  helper_->Uniform1fvImmediate(location, count, v);
-}
-
-void Uniform1i(GLint location, GLint x) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform1i(" << location << ", " << x << ")");  // NOLINT
-  helper_->Uniform1i(location, x);
-}
-
-void Uniform1iv(GLint location, GLsizei count, const GLint* v) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform1iv(" << location << ", " << count << ", " << static_cast<const void*>(v) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << v[0 + i * 1]);
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniform1iv", "count < 0");
-    return;
-  }
-  helper_->Uniform1ivImmediate(location, count, v);
-}
-
-void Uniform2f(GLint location, GLfloat x, GLfloat y) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform2f(" << location << ", " << x << ", " << y << ")");  // NOLINT
-  helper_->Uniform2f(location, x, y);
-}
-
-void Uniform2fv(GLint location, GLsizei count, const GLfloat* v) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform2fv(" << location << ", " << count << ", " << static_cast<const void*>(v) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << v[0 + i * 2] << ", " << v[1 + i * 2]);  // NOLINT
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniform2fv", "count < 0");
-    return;
-  }
-  helper_->Uniform2fvImmediate(location, count, v);
-}
-
-void Uniform2i(GLint location, GLint x, GLint y) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform2i(" << location << ", " << x << ", " << y << ")");  // NOLINT
-  helper_->Uniform2i(location, x, y);
-}
-
-void Uniform2iv(GLint location, GLsizei count, const GLint* v) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform2iv(" << location << ", " << count << ", " << static_cast<const void*>(v) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << v[0 + i * 2] << ", " << v[1 + i * 2]);  // NOLINT
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniform2iv", "count < 0");
-    return;
-  }
-  helper_->Uniform2ivImmediate(location, count, v);
-}
-
-void Uniform3f(GLint location, GLfloat x, GLfloat y, GLfloat z) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform3f(" << location << ", " << x << ", " << y << ", " << z << ")");  // NOLINT
-  helper_->Uniform3f(location, x, y, z);
-}
-
-void Uniform3fv(GLint location, GLsizei count, const GLfloat* v) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform3fv(" << location << ", " << count << ", " << static_cast<const void*>(v) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << v[0 + i * 3] << ", " << v[1 + i * 3] << ", " << v[2 + i * 3]);  // NOLINT
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniform3fv", "count < 0");
-    return;
-  }
-  helper_->Uniform3fvImmediate(location, count, v);
-}
-
-void Uniform3i(GLint location, GLint x, GLint y, GLint z) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform3i(" << location << ", " << x << ", " << y << ", " << z << ")");  // NOLINT
-  helper_->Uniform3i(location, x, y, z);
-}
-
-void Uniform3iv(GLint location, GLsizei count, const GLint* v) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform3iv(" << location << ", " << count << ", " << static_cast<const void*>(v) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << v[0 + i * 3] << ", " << v[1 + i * 3] << ", " << v[2 + i * 3]);  // NOLINT
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniform3iv", "count < 0");
-    return;
-  }
-  helper_->Uniform3ivImmediate(location, count, v);
-}
-
-void Uniform4f(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform4f(" << location << ", " << x << ", " << y << ", " << z << ", " << w << ")");  // NOLINT
-  helper_->Uniform4f(location, x, y, z, w);
-}
-
-void Uniform4fv(GLint location, GLsizei count, const GLfloat* v) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform4fv(" << location << ", " << count << ", " << static_cast<const void*>(v) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << v[0 + i * 4] << ", " << v[1 + i * 4] << ", " << v[2 + i * 4] << ", " << v[3 + i * 4]);  // NOLINT
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniform4fv", "count < 0");
-    return;
-  }
-  helper_->Uniform4fvImmediate(location, count, v);
-}
-
-void Uniform4i(GLint location, GLint x, GLint y, GLint z, GLint w) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform4i(" << location << ", " << x << ", " << y << ", " << z << ", " << w << ")");  // NOLINT
-  helper_->Uniform4i(location, x, y, z, w);
-}
-
-void Uniform4iv(GLint location, GLsizei count, const GLint* v) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniform4iv(" << location << ", " << count << ", " << static_cast<const void*>(v) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << v[0 + i * 4] << ", " << v[1 + i * 4] << ", " << v[2 + i * 4] << ", " << v[3 + i * 4]);  // NOLINT
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniform4iv", "count < 0");
-    return;
-  }
-  helper_->Uniform4ivImmediate(location, count, v);
-}
-
-void UniformMatrix2fv(
-    GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniformMatrix2fv(" << location << ", " << count << ", " << GLES2Util::GetStringBool(transpose) << ", " << static_cast<const void*>(value) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << value[0 + i * 4] << ", " << value[1 + i * 4] << ", " << value[2 + i * 4] << ", " << value[3 + i * 4]);  // NOLINT
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniformMatrix2fv", "count < 0");
-    return;
-  }
-  helper_->UniformMatrix2fvImmediate(location, count, transpose, value);
-}
-
-void UniformMatrix3fv(
-    GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniformMatrix3fv(" << location << ", " << count << ", " << GLES2Util::GetStringBool(transpose) << ", " << static_cast<const void*>(value) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << value[0 + i * 9] << ", " << value[1 + i * 9] << ", " << value[2 + i * 9] << ", " << value[3 + i * 9] << ", " << value[4 + i * 9] << ", " << value[5 + i * 9] << ", " << value[6 + i * 9] << ", " << value[7 + i * 9] << ", " << value[8 + i * 9]);  // NOLINT
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniformMatrix3fv", "count < 0");
-    return;
-  }
-  helper_->UniformMatrix3fvImmediate(location, count, transpose, value);
-}
-
-void UniformMatrix4fv(
-    GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniformMatrix4fv(" << location << ", " << count << ", " << GLES2Util::GetStringBool(transpose) << ", " << static_cast<const void*>(value) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < count; ++i) {
-       GPU_CLIENT_LOG("  " << i << ": " << value[0 + i * 16] << ", " << value[1 + i * 16] << ", " << value[2 + i * 16] << ", " << value[3 + i * 16] << ", " << value[4 + i * 16] << ", " << value[5 + i * 16] << ", " << value[6 + i * 16] << ", " << value[7 + i * 16] << ", " << value[8 + i * 16] << ", " << value[9 + i * 16] << ", " << value[10 + i * 16] << ", " << value[11 + i * 16] << ", " << value[12 + i * 16] << ", " << value[13 + i * 16] << ", " << value[14 + i * 16] << ", " << value[15 + i * 16]);  // NOLINT
-    }
-  });
-  if (count < 0) {
-    SetGLError(GL_INVALID_VALUE, "glUniformMatrix4fv", "count < 0");
-    return;
-  }
-  helper_->UniformMatrix4fvImmediate(location, count, transpose, value);
-}
-
-void UseProgram(GLuint program) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUseProgram(" << program << ")");
-  helper_->UseProgram(program);
-}
-
-void ValidateProgram(GLuint program) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glValidateProgram(" << program << ")");  // NOLINT
-  helper_->ValidateProgram(program);
-}
-
-void VertexAttrib1f(GLuint indx, GLfloat x) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttrib1f(" << indx << ", " << x << ")");  // NOLINT
-  helper_->VertexAttrib1f(indx, x);
-}
-
-void VertexAttrib1fv(GLuint indx, const GLfloat* values) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttrib1fv(" << indx << ", " << static_cast<const void*>(values) << ")");  // NOLINT
-  GPU_CLIENT_LOG("values: " << values[0]);
-  helper_->VertexAttrib1fvImmediate(indx, values);
-}
-
-void VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttrib2f(" << indx << ", " << x << ", " << y << ")");  // NOLINT
-  helper_->VertexAttrib2f(indx, x, y);
-}
-
-void VertexAttrib2fv(GLuint indx, const GLfloat* values) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttrib2fv(" << indx << ", " << static_cast<const void*>(values) << ")");  // NOLINT
-  GPU_CLIENT_LOG("values: " << values[0] << ", " << values[1]);
-  helper_->VertexAttrib2fvImmediate(indx, values);
-}
-
-void VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttrib3f(" << indx << ", " << x << ", " << y << ", " << z << ")");  // NOLINT
-  helper_->VertexAttrib3f(indx, x, y, z);
-}
-
-void VertexAttrib3fv(GLuint indx, const GLfloat* values) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttrib3fv(" << indx << ", " << static_cast<const void*>(values) << ")");  // NOLINT
-  GPU_CLIENT_LOG("values: " << values[0] << ", " << values[1] << ", " << values[2]);  // NOLINT
-  helper_->VertexAttrib3fvImmediate(indx, values);
-}
-
-void VertexAttrib4f(GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttrib4f(" << indx << ", " << x << ", " << y << ", " << z << ", " << w << ")");  // NOLINT
-  helper_->VertexAttrib4f(indx, x, y, z, w);
-}
-
-void VertexAttrib4fv(GLuint indx, const GLfloat* values) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttrib4fv(" << indx << ", " << static_cast<const void*>(values) << ")");  // NOLINT
-  GPU_CLIENT_LOG("values: " << values[0] << ", " << values[1] << ", " << values[2] << ", " << values[3]);  // NOLINT
-  helper_->VertexAttrib4fvImmediate(indx, values);
-}
-
-void VertexAttribPointer(
+    GLsizei height, GLenum format, GLenum type, const void* pixels) OVERRIDE;
+
+virtual void Uniform1f(GLint location, GLfloat x) OVERRIDE;
+
+virtual void Uniform1fv(
+    GLint location, GLsizei count, const GLfloat* v) OVERRIDE;
+
+virtual void Uniform1i(GLint location, GLint x) OVERRIDE;
+
+virtual void Uniform1iv(
+    GLint location, GLsizei count, const GLint* v) OVERRIDE;
+
+virtual void Uniform2f(GLint location, GLfloat x, GLfloat y) OVERRIDE;
+
+virtual void Uniform2fv(
+    GLint location, GLsizei count, const GLfloat* v) OVERRIDE;
+
+virtual void Uniform2i(GLint location, GLint x, GLint y) OVERRIDE;
+
+virtual void Uniform2iv(
+    GLint location, GLsizei count, const GLint* v) OVERRIDE;
+
+virtual void Uniform3f(
+    GLint location, GLfloat x, GLfloat y, GLfloat z) OVERRIDE;
+
+virtual void Uniform3fv(
+    GLint location, GLsizei count, const GLfloat* v) OVERRIDE;
+
+virtual void Uniform3i(GLint location, GLint x, GLint y, GLint z) OVERRIDE;
+
+virtual void Uniform3iv(
+    GLint location, GLsizei count, const GLint* v) OVERRIDE;
+
+virtual void Uniform4f(
+    GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) OVERRIDE;
+
+virtual void Uniform4fv(
+    GLint location, GLsizei count, const GLfloat* v) OVERRIDE;
+
+virtual void Uniform4i(
+    GLint location, GLint x, GLint y, GLint z, GLint w) OVERRIDE;
+
+virtual void Uniform4iv(
+    GLint location, GLsizei count, const GLint* v) OVERRIDE;
+
+virtual void UniformMatrix2fv(
+    GLint location, GLsizei count, GLboolean transpose,
+    const GLfloat* value) OVERRIDE;
+
+virtual void UniformMatrix3fv(
+    GLint location, GLsizei count, GLboolean transpose,
+    const GLfloat* value) OVERRIDE;
+
+virtual void UniformMatrix4fv(
+    GLint location, GLsizei count, GLboolean transpose,
+    const GLfloat* value) OVERRIDE;
+
+virtual void UseProgram(GLuint program) OVERRIDE;
+
+virtual void ValidateProgram(GLuint program) OVERRIDE;
+
+virtual void VertexAttrib1f(GLuint indx, GLfloat x) OVERRIDE;
+
+virtual void VertexAttrib1fv(GLuint indx, const GLfloat* values) OVERRIDE;
+
+virtual void VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y) OVERRIDE;
+
+virtual void VertexAttrib2fv(GLuint indx, const GLfloat* values) OVERRIDE;
+
+virtual void VertexAttrib3f(
+    GLuint indx, GLfloat x, GLfloat y, GLfloat z) OVERRIDE;
+
+virtual void VertexAttrib3fv(GLuint indx, const GLfloat* values) OVERRIDE;
+
+virtual void VertexAttrib4f(
+    GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w) OVERRIDE;
+
+virtual void VertexAttrib4fv(GLuint indx, const GLfloat* values) OVERRIDE;
+
+virtual void VertexAttribPointer(
     GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride,
-    const void* ptr);
-
-void Viewport(GLint x, GLint y, GLsizei width, GLsizei height) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glViewport(" << x << ", " << y << ", " << width << ", " << height << ")");  // NOLINT
-  if (width < 0) {
-    SetGLError(GL_INVALID_VALUE, "glViewport", "width < 0");
-    return;
-  }
-  if (height < 0) {
-    SetGLError(GL_INVALID_VALUE, "glViewport", "height < 0");
-    return;
-  }
-  helper_->Viewport(x, y, width, height);
-}
-
-void BlitFramebufferEXT(
+    const void* ptr) OVERRIDE;
+
+virtual void Viewport(
+    GLint x, GLint y, GLsizei width, GLsizei height) OVERRIDE;
+
+virtual void BlitFramebufferEXT(
     GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0,
-    GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBlitFramebufferEXT(" << srcX0 << ", " << srcY0 << ", " << srcX1 << ", " << srcY1 << ", " << dstX0 << ", " << dstY0 << ", " << dstX1 << ", " << dstY1 << ", " << mask << ", " << GLES2Util::GetStringBlitFilter(filter) << ")");  // NOLINT
-  helper_->BlitFramebufferEXT(
-      srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
-}
-
-void RenderbufferStorageMultisampleEXT(
+    GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask,
+    GLenum filter) OVERRIDE;
+
+virtual void RenderbufferStorageMultisampleEXT(
     GLenum target, GLsizei samples, GLenum internalformat, GLsizei width,
-    GLsizei height) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glRenderbufferStorageMultisampleEXT(" << GLES2Util::GetStringRenderBufferTarget(target) << ", " << samples << ", " << GLES2Util::GetStringRenderBufferFormat(internalformat) << ", " << width << ", " << height << ")");  // NOLINT
-  if (samples < 0) {
-    SetGLError(
-        GL_INVALID_VALUE, "glRenderbufferStorageMultisampleEXT", "samples < 0");
-    return;
-  }
-  if (width < 0) {
-    SetGLError(
-        GL_INVALID_VALUE, "glRenderbufferStorageMultisampleEXT", "width < 0");
-    return;
-  }
-  if (height < 0) {
-    SetGLError(
-        GL_INVALID_VALUE, "glRenderbufferStorageMultisampleEXT", "height < 0");
-    return;
-  }
-  helper_->RenderbufferStorageMultisampleEXT(
-      target, samples, internalformat, width, height);
-}
-
-void TexStorage2DEXT(
+    GLsizei height) OVERRIDE;
+
+virtual void TexStorage2DEXT(
     GLenum target, GLsizei levels, GLenum internalFormat, GLsizei width,
-    GLsizei height) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexStorage2DEXT(" << GLES2Util::GetStringTextureTarget(target) << ", " << levels << ", " << GLES2Util::GetStringTextureInternalFormatStorage(internalFormat) << ", " << width << ", " << height << ")");  // NOLINT
-  if (levels < 0) {
-    SetGLError(GL_INVALID_VALUE, "glTexStorage2DEXT", "levels < 0");
-    return;
-  }
-  if (width < 0) {
-    SetGLError(GL_INVALID_VALUE, "glTexStorage2DEXT", "width < 0");
-    return;
-  }
-  if (height < 0) {
-    SetGLError(GL_INVALID_VALUE, "glTexStorage2DEXT", "height < 0");
-    return;
-  }
-  helper_->TexStorage2DEXT(target, levels, internalFormat, width, height);
-}
-
-void GenQueriesEXT(GLsizei n, GLuint* queries) {
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenQueriesEXT(" << n << ", " << static_cast<const void*>(queries) << ")");  // NOLINT
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glGenQueriesEXT", "n < 0");
-    return;
-  }
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GetIdHandler(id_namespaces::kQueries)->
-      MakeIds(this, 0, n, queries);
-  helper_->GenQueriesEXTImmediate(n, queries);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << queries[i]);
-    }
-  });
-}
-
-void DeleteQueriesEXT(GLsizei n, const GLuint* queries) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDeleteQueriesEXT(" << n << ", " << static_cast<const void*>(queries) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << queries[i]);
-    }
-  });
-  GPU_CLIENT_DCHECK_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_DCHECK(queries[i] != 0);
-    }
-  });
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glDeleteQueriesEXT", "n < 0");
-    return;
-  }
-  DeleteQueriesEXTHelper(n, queries);
-}
-
-GLboolean IsQueryEXT(GLuint id);
-
-void BeginQueryEXT(GLenum target, GLuint id);
-
-void EndQueryEXT(GLenum target);
-
-void GetQueryivEXT(GLenum target, GLenum pname, GLint* params);
-
-void GetQueryObjectuivEXT(GLuint id, GLenum pname, GLuint* params);
-
-void InsertEventMarkerEXT(GLsizei length, const GLchar* marker);
-
-void PushGroupMarkerEXT(GLsizei length, const GLchar* marker);
-
-void PopGroupMarkerEXT();
-
-void GenVertexArraysOES(GLsizei n, GLuint* arrays) {
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenVertexArraysOES(" << n << ", " << static_cast<const void*>(arrays) << ")");  // NOLINT
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glGenVertexArraysOES", "n < 0");
-    return;
-  }
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GetIdHandler(id_namespaces::kVertexArrays)->
-      MakeIds(this, 0, n, arrays);
-  helper_->GenVertexArraysOESImmediate(n, arrays);
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << arrays[i]);
-    }
-  });
-}
-
-void DeleteVertexArraysOES(GLsizei n, const GLuint* arrays) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDeleteVertexArraysOES(" << n << ", " << static_cast<const void*>(arrays) << ")");  // NOLINT
-  GPU_CLIENT_LOG_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_CLIENT_LOG("  " << i << ": " << arrays[i]);
-    }
-  });
-  GPU_CLIENT_DCHECK_CODE_BLOCK({
-    for (GLsizei i = 0; i < n; ++i) {
-      GPU_DCHECK(arrays[i] != 0);
-    }
-  });
-  if (n < 0) {
-    SetGLError(GL_INVALID_VALUE, "glDeleteVertexArraysOES", "n < 0");
-    return;
-  }
-  DeleteVertexArraysOESHelper(n, arrays);
-}
-
-GLboolean IsVertexArrayOES(GLuint array) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsVertexArrayOES(" << array << ")");  // NOLINT
-  typedef IsVertexArrayOES::Result Result;
-  Result* result = GetResultAs<Result*>();
-  if (!result) {
-    return GL_FALSE;
-  }
-  *result = 0;
-  helper_->IsVertexArrayOES(array, GetResultShmId(), GetResultShmOffset());
-  WaitForCmd();
-  GPU_CLIENT_LOG("returned " << *result);
-  return *result;
-}
-
-void BindVertexArrayOES(GLuint array) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindVertexArrayOES(" << array << ")");  // NOLINT
-  if (IsVertexArrayReservedId(array)) {
-    SetGLError(
-        GL_INVALID_OPERATION, "BindVertexArrayOES", "array reserved id");
-    return;
-  }
-  BindVertexArrayHelper(array);
-  helper_->BindVertexArrayOES(array);
-}
-
-void SwapBuffers();
-
-GLuint GetMaxValueInBufferCHROMIUM(
-    GLuint buffer_id, GLsizei count, GLenum type, GLuint offset);
-
-void GenSharedIdsCHROMIUM(
-    GLuint namespace_id, GLuint id_offset, GLsizei n, GLuint* ids);
-
-void DeleteSharedIdsCHROMIUM(
-    GLuint namespace_id, GLsizei n, const GLuint* ids);
-
-void RegisterSharedIdsCHROMIUM(
-    GLuint namespace_id, GLsizei n, const GLuint* ids);
-
-GLboolean EnableFeatureCHROMIUM(const char* feature);
-
-void* MapBufferSubDataCHROMIUM(
-    GLuint target, GLintptr offset, GLsizeiptr size, GLenum access);
-
-void UnmapBufferSubDataCHROMIUM(const void* mem);
-
-void* MapTexSubImage2DCHROMIUM(
+    GLsizei height) OVERRIDE;
+
+virtual void GenQueriesEXT(GLsizei n, GLuint* queries) OVERRIDE;
+
+virtual void DeleteQueriesEXT(GLsizei n, const GLuint* queries) OVERRIDE;
+
+virtual GLboolean IsQueryEXT(GLuint id) OVERRIDE;
+
+virtual void BeginQueryEXT(GLenum target, GLuint id) OVERRIDE;
+
+virtual void EndQueryEXT(GLenum target) OVERRIDE;
+
+virtual void GetQueryivEXT(
+    GLenum target, GLenum pname, GLint* params) OVERRIDE;
+
+virtual void GetQueryObjectuivEXT(
+    GLuint id, GLenum pname, GLuint* params) OVERRIDE;
+
+virtual void InsertEventMarkerEXT(
+    GLsizei length, const GLchar* marker) OVERRIDE;
+
+virtual void PushGroupMarkerEXT(GLsizei length, const GLchar* marker) OVERRIDE;
+
+virtual void PopGroupMarkerEXT() OVERRIDE;
+
+virtual void GenVertexArraysOES(GLsizei n, GLuint* arrays) OVERRIDE;
+
+virtual void DeleteVertexArraysOES(GLsizei n, const GLuint* arrays) OVERRIDE;
+
+virtual GLboolean IsVertexArrayOES(GLuint array) OVERRIDE;
+
+virtual void BindVertexArrayOES(GLuint array) OVERRIDE;
+
+virtual void SwapBuffers() OVERRIDE;
+
+virtual GLuint GetMaxValueInBufferCHROMIUM(
+    GLuint buffer_id, GLsizei count, GLenum type, GLuint offset) OVERRIDE;
+
+virtual void GenSharedIdsCHROMIUM(
+    GLuint namespace_id, GLuint id_offset, GLsizei n, GLuint* ids) OVERRIDE;
+
+virtual void DeleteSharedIdsCHROMIUM(
+    GLuint namespace_id, GLsizei n, const GLuint* ids) OVERRIDE;
+
+virtual void RegisterSharedIdsCHROMIUM(
+    GLuint namespace_id, GLsizei n, const GLuint* ids) OVERRIDE;
+
+virtual GLboolean EnableFeatureCHROMIUM(const char* feature) OVERRIDE;
+
+virtual void* MapBufferSubDataCHROMIUM(
+    GLuint target, GLintptr offset, GLsizeiptr size, GLenum access) OVERRIDE;
+
+virtual void UnmapBufferSubDataCHROMIUM(const void* mem) OVERRIDE;
+
+virtual void* MapTexSubImage2DCHROMIUM(
     GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
-    GLsizei height, GLenum format, GLenum type, GLenum access);
-
-void UnmapTexSubImage2DCHROMIUM(const void* mem);
-
-void ResizeCHROMIUM(GLuint width, GLuint height);
-
-const GLchar* GetRequestableExtensionsCHROMIUM();
-
-void RequestExtensionCHROMIUM(const char* extension);
-
-void RateLimitOffscreenContextCHROMIUM();
-
-void GetMultipleIntegervCHROMIUM(
-    const GLenum* pnames, GLuint count, GLint* results, GLsizeiptr size);
-
-void GetProgramInfoCHROMIUM(
-    GLuint program, GLsizei bufsize, GLsizei* size, void* info);
-
-GLuint CreateStreamTextureCHROMIUM(GLuint texture);
-
-void DestroyStreamTextureCHROMIUM(GLuint texture);
-
-void GetTranslatedShaderSourceANGLE(
-    GLuint shader, GLsizei bufsize, GLsizei* length, char* source) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_VALIDATE_DESTINATION_OPTIONAL_INITALIZATION(GLsizei, length);
-  GPU_CLIENT_LOG("[" << GetLogPrefix()
-      << "] glGetTranslatedShaderSourceANGLE" << "("
-      << shader << ", "
-      << bufsize << ", "
-      << static_cast<void*>(length) << ", "
-      << static_cast<void*>(source) << ")");
-  helper_->SetBucketSize(kResultBucketId, 0);
-  helper_->GetTranslatedShaderSourceANGLE(shader, kResultBucketId);
-  std::string str;
-  GLsizei max_size = 0;
-  if (GetBucketAsString(kResultBucketId, &str)) {
-    if (bufsize > 0) {
-      max_size =
-          std::min(static_cast<size_t>(bufsize) - 1, str.size());
-      memcpy(source, str.c_str(), max_size);
-      source[max_size] = '\0';
-      GPU_CLIENT_LOG("------\n" << source << "\n------");
-    }
-  }
-  if (length != NULL) {
-    *length = max_size;
-  }
-}
-void PostSubBufferCHROMIUM(GLint x, GLint y, GLint width, GLint height);
-
-void TexImageIOSurface2DCHROMIUM(
+    GLsizei height, GLenum format, GLenum type, GLenum access) OVERRIDE;
+
+virtual void UnmapTexSubImage2DCHROMIUM(const void* mem) OVERRIDE;
+
+virtual void ResizeCHROMIUM(GLuint width, GLuint height) OVERRIDE;
+
+virtual const GLchar* GetRequestableExtensionsCHROMIUM() OVERRIDE;
+
+virtual void RequestExtensionCHROMIUM(const char* extension) OVERRIDE;
+
+virtual void RateLimitOffscreenContextCHROMIUM() OVERRIDE;
+
+virtual void GetMultipleIntegervCHROMIUM(
+    const GLenum* pnames, GLuint count, GLint* results,
+    GLsizeiptr size) OVERRIDE;
+
+virtual void GetProgramInfoCHROMIUM(
+    GLuint program, GLsizei bufsize, GLsizei* size, void* info) OVERRIDE;
+
+virtual GLuint CreateStreamTextureCHROMIUM(GLuint texture) OVERRIDE;
+
+virtual void DestroyStreamTextureCHROMIUM(GLuint texture) OVERRIDE;
+
+virtual void GetTranslatedShaderSourceANGLE(
+    GLuint shader, GLsizei bufsize, GLsizei* length, char* source) OVERRIDE;
+
+virtual void PostSubBufferCHROMIUM(
+    GLint x, GLint y, GLint width, GLint height) OVERRIDE;
+
+virtual void TexImageIOSurface2DCHROMIUM(
     GLenum target, GLsizei width, GLsizei height, GLuint ioSurfaceId,
-    GLuint plane) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexImageIOSurface2DCHROMIUM(" << GLES2Util::GetStringTextureBindTarget(target) << ", " << width << ", " << height << ", " << ioSurfaceId << ", " << plane << ")");  // NOLINT
-  if (width < 0) {
-    SetGLError(GL_INVALID_VALUE, "glTexImageIOSurface2DCHROMIUM", "width < 0");
-    return;
-  }
-  if (height < 0) {
-    SetGLError(
-        GL_INVALID_VALUE, "glTexImageIOSurface2DCHROMIUM", "height < 0");
-    return;
-  }
-  helper_->TexImageIOSurface2DCHROMIUM(
-      target, width, height, ioSurfaceId, plane);
-}
-
-void CopyTextureCHROMIUM(
+    GLuint plane) OVERRIDE;
+
+virtual void CopyTextureCHROMIUM(
     GLenum target, GLenum source_id, GLenum dest_id, GLint level,
-    GLint internalformat) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCopyTextureCHROMIUM(" << GLES2Util::GetStringEnum(target) << ", " << GLES2Util::GetStringEnum(source_id) << ", " << GLES2Util::GetStringEnum(dest_id) << ", " << level << ", " << internalformat << ")");  // NOLINT
-  helper_->CopyTextureCHROMIUM(
-      target, source_id, dest_id, level, internalformat);
-}
-
-void DrawArraysInstancedANGLE(
-    GLenum mode, GLint first, GLsizei count, GLsizei primcount);
-
-void DrawElementsInstancedANGLE(
+    GLint internalformat) OVERRIDE;
+
+virtual void DrawArraysInstancedANGLE(
+    GLenum mode, GLint first, GLsizei count, GLsizei primcount) OVERRIDE;
+
+virtual void DrawElementsInstancedANGLE(
     GLenum mode, GLsizei count, GLenum type, const void* indices,
-    GLsizei primcount);
-
-void VertexAttribDivisorANGLE(GLuint index, GLuint divisor);
-
-void GenMailboxCHROMIUM(GLbyte* mailbox);
-
-void ProduceTextureCHROMIUM(GLenum target, const GLbyte* mailbox) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glProduceTextureCHROMIUM(" << GLES2Util::GetStringTextureTarget(target) << ", " << static_cast<const void*>(mailbox) << ")");  // NOLINT
-  GPU_CLIENT_LOG("values: " << mailbox[0] << ", " << mailbox[1] << ", " << mailbox[2] << ", " << mailbox[3] << ", " << mailbox[4] << ", " << mailbox[5] << ", " << mailbox[6] << ", " << mailbox[7] << ", " << mailbox[8] << ", " << mailbox[9] << ", " << mailbox[10] << ", " << mailbox[11] << ", " << mailbox[12] << ", " << mailbox[13] << ", " << mailbox[14] << ", " << mailbox[15] << ", " << mailbox[16] << ", " << mailbox[17] << ", " << mailbox[18] << ", " << mailbox[19] << ", " << mailbox[20] << ", " << mailbox[21] << ", " << mailbox[22] << ", " << mailbox[23] << ", " << mailbox[24] << ", " << mailbox[25] << ", " << mailbox[26] << ", " << mailbox[27] << ", " << mailbox[28] << ", " << mailbox[29] << ", " << mailbox[30] << ", " << mailbox[31] << ", " << mailbox[32] << ", " << mailbox[33] << ", " << mailbox[34] << ", " << mailbox[35] << ", " << mailbox[36] << ", " << mailbox[37] << ", " << mailbox[38] << ", " << mailbox[39] << ", " << mailbox[40] << ", " << mailbox[41] << ", " << mailbox[42] << ", " << mailbox[43] << ", " << mailbox[44] << ", " << mailbox[45] << ", " << mailbox[46] << ", " << mailbox[47] << ", " << mailbox[48] << ", " << mailbox[49] << ", " << mailbox[50] << ", " << mailbox[51] << ", " << mailbox[52] << ", " << mailbox[53] << ", " << mailbox[54] << ", " << mailbox[55] << ", " << mailbox[56] << ", " << mailbox[57] << ", " << mailbox[58] << ", " << mailbox[59] << ", " << mailbox[60] << ", " << mailbox[61] << ", " << mailbox[62] << ", " << mailbox[63]);  // NOLINT
-  helper_->ProduceTextureCHROMIUMImmediate(target, mailbox);
-}
-
-void ConsumeTextureCHROMIUM(GLenum target, const GLbyte* mailbox) {
-  GPU_CLIENT_SINGLE_THREAD_CHECK();
-  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glConsumeTextureCHROMIUM(" << GLES2Util::GetStringTextureTarget(target) << ", " << static_cast<const void*>(mailbox) << ")");  // NOLINT
-  GPU_CLIENT_LOG("values: " << mailbox[0] << ", " << mailbox[1] << ", " << mailbox[2] << ", " << mailbox[3] << ", " << mailbox[4] << ", " << mailbox[5] << ", " << mailbox[6] << ", " << mailbox[7] << ", " << mailbox[8] << ", " << mailbox[9] << ", " << mailbox[10] << ", " << mailbox[11] << ", " << mailbox[12] << ", " << mailbox[13] << ", " << mailbox[14] << ", " << mailbox[15] << ", " << mailbox[16] << ", " << mailbox[17] << ", " << mailbox[18] << ", " << mailbox[19] << ", " << mailbox[20] << ", " << mailbox[21] << ", " << mailbox[22] << ", " << mailbox[23] << ", " << mailbox[24] << ", " << mailbox[25] << ", " << mailbox[26] << ", " << mailbox[27] << ", " << mailbox[28] << ", " << mailbox[29] << ", " << mailbox[30] << ", " << mailbox[31] << ", " << mailbox[32] << ", " << mailbox[33] << ", " << mailbox[34] << ", " << mailbox[35] << ", " << mailbox[36] << ", " << mailbox[37] << ", " << mailbox[38] << ", " << mailbox[39] << ", " << mailbox[40] << ", " << mailbox[41] << ", " << mailbox[42] << ", " << mailbox[43] << ", " << mailbox[44] << ", " << mailbox[45] << ", " << mailbox[46] << ", " << mailbox[47] << ", " << mailbox[48] << ", " << mailbox[49] << ", " << mailbox[50] << ", " << mailbox[51] << ", " << mailbox[52] << ", " << mailbox[53] << ", " << mailbox[54] << ", " << mailbox[55] << ", " << mailbox[56] << ", " << mailbox[57] << ", " << mailbox[58] << ", " << mailbox[59] << ", " << mailbox[60] << ", " << mailbox[61] << ", " << mailbox[62] << ", " << mailbox[63]);  // NOLINT
-  helper_->ConsumeTextureCHROMIUMImmediate(target, mailbox);
-}
-
-void BindUniformLocationCHROMIUM(
-    GLuint program, GLint location, const char* name);
+    GLsizei primcount) OVERRIDE;
+
+virtual void VertexAttribDivisorANGLE(GLuint index, GLuint divisor) OVERRIDE;
+
+virtual void GenMailboxCHROMIUM(GLbyte* mailbox) OVERRIDE;
+
+virtual void ProduceTextureCHROMIUM(
+    GLenum target, const GLbyte* mailbox) OVERRIDE;
+
+virtual void ConsumeTextureCHROMIUM(
+    GLenum target, const GLbyte* mailbox) OVERRIDE;
+
+virtual void BindUniformLocationCHROMIUM(
+    GLuint program, GLint location, const char* name) OVERRIDE;
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_AUTOGEN_H_