command_buffer: Table based command dispatch.

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

 // Copyright 2014 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
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
 // It is included by gles2_cmd_decoder.cc
 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_AUTOGEN_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_AUTOGEN_H_
 
-error::Error GLES2DecoderImpl::HandleActiveTexture(
-    uint32_t immediate_data_size,
-    const gles2::cmds::ActiveTexture& c) {
+error::Error GLES2DecoderImpl::HandleActiveTexture(uint32_t immediate_data_size,
+                                                   const void* cmd_data) {
+  const gles2::cmds::ActiveTexture& c =
+      *static_cast<const gles2::cmds::ActiveTexture*>(cmd_data);
+  (void)c;
   GLenum texture = static_cast<GLenum>(c.texture);
   DoActiveTexture(texture);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleAttachShader(
-    uint32_t immediate_data_size,
-    const gles2::cmds::AttachShader& c) {
+error::Error GLES2DecoderImpl::HandleAttachShader(uint32_t immediate_data_size,
+                                                  const void* cmd_data) {
+  const gles2::cmds::AttachShader& c =
+      *static_cast<const gles2::cmds::AttachShader*>(cmd_data);
+  (void)c;
   GLuint program = c.program;
   GLuint shader = c.shader;
   DoAttachShader(program, shader);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleBindBuffer(
-    uint32_t immediate_data_size,
-    const gles2::cmds::BindBuffer& c) {
+error::Error GLES2DecoderImpl::HandleBindBuffer(uint32_t immediate_data_size,
+                                                const void* cmd_data) {
+  const gles2::cmds::BindBuffer& c =
+      *static_cast<const gles2::cmds::BindBuffer*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLuint buffer = c.buffer;
   if (!validators_->buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBindBuffer", target, "target");
     return error::kNoError;
   }
   DoBindBuffer(target, buffer);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleBindFramebuffer(
     uint32_t immediate_data_size,
-    const gles2::cmds::BindFramebuffer& c) {
+    const void* cmd_data) {
+  const gles2::cmds::BindFramebuffer& c =
+      *static_cast<const gles2::cmds::BindFramebuffer*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLuint framebuffer = c.framebuffer;
   if (!validators_->frame_buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBindFramebuffer", target, "target");
     return error::kNoError;
   }
   DoBindFramebuffer(target, framebuffer);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleBindRenderbuffer(
     uint32_t immediate_data_size,
-    const gles2::cmds::BindRenderbuffer& c) {
+    const void* cmd_data) {
+  const gles2::cmds::BindRenderbuffer& c =
+      *static_cast<const gles2::cmds::BindRenderbuffer*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLuint renderbuffer = c.renderbuffer;
   if (!validators_->render_buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBindRenderbuffer", target, "target");
     return error::kNoError;
   }
   DoBindRenderbuffer(target, renderbuffer);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleBindTexture(
-    uint32_t immediate_data_size,
-    const gles2::cmds::BindTexture& c) {
+error::Error GLES2DecoderImpl::HandleBindTexture(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::BindTexture& c =
+      *static_cast<const gles2::cmds::BindTexture*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLuint texture = c.texture;
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBindTexture", target, "target");
     return error::kNoError;
   }
   DoBindTexture(target, texture);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleBlendColor(
-    uint32_t immediate_data_size,
-    const gles2::cmds::BlendColor& c) {
+error::Error GLES2DecoderImpl::HandleBlendColor(uint32_t immediate_data_size,
+                                                const void* cmd_data) {
+  const gles2::cmds::BlendColor& c =
+      *static_cast<const gles2::cmds::BlendColor*>(cmd_data);
+  (void)c;
   GLclampf red = static_cast<GLclampf>(c.red);
   GLclampf green = static_cast<GLclampf>(c.green);
   GLclampf blue = static_cast<GLclampf>(c.blue);
   GLclampf alpha = static_cast<GLclampf>(c.alpha);
   if (state_.blend_color_red != red || state_.blend_color_green != green ||
       state_.blend_color_blue != blue || state_.blend_color_alpha != alpha) {
     state_.blend_color_red = red;
     state_.blend_color_green = green;
     state_.blend_color_blue = blue;
     state_.blend_color_alpha = alpha;
     glBlendColor(red, green, blue, alpha);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleBlendEquation(
-    uint32_t immediate_data_size,
-    const gles2::cmds::BlendEquation& c) {
+error::Error GLES2DecoderImpl::HandleBlendEquation(uint32_t immediate_data_size,
+                                                   const void* cmd_data) {
+  const gles2::cmds::BlendEquation& c =
+      *static_cast<const gles2::cmds::BlendEquation*>(cmd_data);
+  (void)c;
   GLenum mode = static_cast<GLenum>(c.mode);
   if (!validators_->equation.IsValid(mode)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBlendEquation", mode, "mode");
     return error::kNoError;
   }
   if (state_.blend_equation_rgb != mode ||
       state_.blend_equation_alpha != mode) {
     state_.blend_equation_rgb = mode;
     state_.blend_equation_alpha = mode;
     glBlendEquation(mode);
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleBlendEquationSeparate(
     uint32_t immediate_data_size,
-    const gles2::cmds::BlendEquationSeparate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::BlendEquationSeparate& c =
+      *static_cast<const gles2::cmds::BlendEquationSeparate*>(cmd_data);
+  (void)c;
   GLenum modeRGB = static_cast<GLenum>(c.modeRGB);
   GLenum modeAlpha = static_cast<GLenum>(c.modeAlpha);
   if (!validators_->equation.IsValid(modeRGB)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glBlendEquationSeparate", modeRGB, "modeRGB");
     return error::kNoError;
   }
   if (!validators_->equation.IsValid(modeAlpha)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glBlendEquationSeparate", modeAlpha, "modeAlpha");
     return error::kNoError;
   }
   if (state_.blend_equation_rgb != modeRGB ||
       state_.blend_equation_alpha != modeAlpha) {
     state_.blend_equation_rgb = modeRGB;
     state_.blend_equation_alpha = modeAlpha;
     glBlendEquationSeparate(modeRGB, modeAlpha);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleBlendFunc(
-    uint32_t immediate_data_size,
-    const gles2::cmds::BlendFunc& c) {
+error::Error GLES2DecoderImpl::HandleBlendFunc(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::BlendFunc& c =
+      *static_cast<const gles2::cmds::BlendFunc*>(cmd_data);
+  (void)c;
   GLenum sfactor = static_cast<GLenum>(c.sfactor);
   GLenum dfactor = static_cast<GLenum>(c.dfactor);
   if (!validators_->src_blend_factor.IsValid(sfactor)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBlendFunc", sfactor, "sfactor");
     return error::kNoError;
   }
   if (!validators_->dst_blend_factor.IsValid(dfactor)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBlendFunc", dfactor, "dfactor");
     return error::kNoError;
   }
   if (state_.blend_source_rgb != sfactor || state_.blend_dest_rgb != dfactor ||
       state_.blend_source_alpha != sfactor ||
       state_.blend_dest_alpha != dfactor) {
     state_.blend_source_rgb = sfactor;
     state_.blend_dest_rgb = dfactor;
     state_.blend_source_alpha = sfactor;
     state_.blend_dest_alpha = dfactor;
     glBlendFunc(sfactor, dfactor);
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleBlendFuncSeparate(
     uint32_t immediate_data_size,
-    const gles2::cmds::BlendFuncSeparate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::BlendFuncSeparate& c =
+      *static_cast<const gles2::cmds::BlendFuncSeparate*>(cmd_data);
+  (void)c;
   GLenum srcRGB = static_cast<GLenum>(c.srcRGB);
   GLenum dstRGB = static_cast<GLenum>(c.dstRGB);
   GLenum srcAlpha = static_cast<GLenum>(c.srcAlpha);
   GLenum dstAlpha = static_cast<GLenum>(c.dstAlpha);
   if (!validators_->src_blend_factor.IsValid(srcRGB)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBlendFuncSeparate", srcRGB, "srcRGB");
     return error::kNoError;
   }
   if (!validators_->dst_blend_factor.IsValid(dstRGB)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBlendFuncSeparate", dstRGB, "dstRGB");
@@ skipping 14 matching lines @@
       state_.blend_dest_alpha != dstAlpha) {
     state_.blend_source_rgb = srcRGB;
     state_.blend_dest_rgb = dstRGB;
     state_.blend_source_alpha = srcAlpha;
     state_.blend_dest_alpha = dstAlpha;
     glBlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleBufferSubData(
-    uint32_t immediate_data_size,
-    const gles2::cmds::BufferSubData& c) {
+error::Error GLES2DecoderImpl::HandleBufferSubData(uint32_t immediate_data_size,
+                                                   const void* cmd_data) {
+  const gles2::cmds::BufferSubData& c =
+      *static_cast<const gles2::cmds::BufferSubData*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLintptr offset = static_cast<GLintptr>(c.offset);
   GLsizeiptr size = static_cast<GLsizeiptr>(c.size);
   uint32_t data_size = size;
   const void* data = GetSharedMemoryAs<const void*>(
       c.data_shm_id, c.data_shm_offset, data_size);
   if (!validators_->buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glBufferSubData", target, "target");
     return error::kNoError;
   }
   if (size < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glBufferSubData", "size < 0");
     return error::kNoError;
   }
   if (data == NULL) {
     return error::kOutOfBounds;
   }
   DoBufferSubData(target, offset, size, data);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleCheckFramebufferStatus(
     uint32_t immediate_data_size,
-    const gles2::cmds::CheckFramebufferStatus& c) {
+    const void* cmd_data) {
+  const gles2::cmds::CheckFramebufferStatus& c =
+      *static_cast<const gles2::cmds::CheckFramebufferStatus*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   typedef cmds::CheckFramebufferStatus::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   if (!validators_->frame_buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glCheckFramebufferStatus", target, "target");
     return error::kNoError;
   }
   *result_dst = DoCheckFramebufferStatus(target);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleClear(uint32_t immediate_data_size,
-                                           const gles2::cmds::Clear& c) {
+                                           const void* cmd_data) {
+  const gles2::cmds::Clear& c =
+      *static_cast<const gles2::cmds::Clear*>(cmd_data);
+  (void)c;
   error::Error error;
   error = WillAccessBoundFramebufferForDraw();
   if (error != error::kNoError)
     return error;
   GLbitfield mask = static_cast<GLbitfield>(c.mask);
   DoClear(mask);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleClearColor(
-    uint32_t immediate_data_size,
-    const gles2::cmds::ClearColor& c) {
+error::Error GLES2DecoderImpl::HandleClearColor(uint32_t immediate_data_size,
+                                                const void* cmd_data) {
+  const gles2::cmds::ClearColor& c =
+      *static_cast<const gles2::cmds::ClearColor*>(cmd_data);
+  (void)c;
   GLclampf red = static_cast<GLclampf>(c.red);
   GLclampf green = static_cast<GLclampf>(c.green);
   GLclampf blue = static_cast<GLclampf>(c.blue);
   GLclampf alpha = static_cast<GLclampf>(c.alpha);
   if (state_.color_clear_red != red || state_.color_clear_green != green ||
       state_.color_clear_blue != blue || state_.color_clear_alpha != alpha) {
     state_.color_clear_red = red;
     state_.color_clear_green = green;
     state_.color_clear_blue = blue;
     state_.color_clear_alpha = alpha;
     glClearColor(red, green, blue, alpha);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleClearDepthf(
-    uint32_t immediate_data_size,
-    const gles2::cmds::ClearDepthf& c) {
+error::Error GLES2DecoderImpl::HandleClearDepthf(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::ClearDepthf& c =
+      *static_cast<const gles2::cmds::ClearDepthf*>(cmd_data);
+  (void)c;
   GLclampf depth = static_cast<GLclampf>(c.depth);
   if (state_.depth_clear != depth) {
     state_.depth_clear = depth;
     glClearDepth(depth);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleClearStencil(
-    uint32_t immediate_data_size,
-    const gles2::cmds::ClearStencil& c) {
+error::Error GLES2DecoderImpl::HandleClearStencil(uint32_t immediate_data_size,
+                                                  const void* cmd_data) {
+  const gles2::cmds::ClearStencil& c =
+      *static_cast<const gles2::cmds::ClearStencil*>(cmd_data);
+  (void)c;
   GLint s = static_cast<GLint>(c.s);
   if (state_.stencil_clear != s) {
     state_.stencil_clear = s;
     glClearStencil(s);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleColorMask(
-    uint32_t immediate_data_size,
-    const gles2::cmds::ColorMask& c) {
+error::Error GLES2DecoderImpl::HandleColorMask(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::ColorMask& c =
+      *static_cast<const gles2::cmds::ColorMask*>(cmd_data);
+  (void)c;
   GLboolean red = static_cast<GLboolean>(c.red);
   GLboolean green = static_cast<GLboolean>(c.green);
   GLboolean blue = static_cast<GLboolean>(c.blue);
   GLboolean alpha = static_cast<GLboolean>(c.alpha);
   if (state_.color_mask_red != red || state_.color_mask_green != green ||
       state_.color_mask_blue != blue || state_.color_mask_alpha != alpha) {
     state_.color_mask_red = red;
     state_.color_mask_green = green;
     state_.color_mask_blue = blue;
     state_.color_mask_alpha = alpha;
     framebuffer_state_.clear_state_dirty = true;
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleCompileShader(
-    uint32_t immediate_data_size,
-    const gles2::cmds::CompileShader& c) {
+error::Error GLES2DecoderImpl::HandleCompileShader(uint32_t immediate_data_size,
+                                                   const void* cmd_data) {
+  const gles2::cmds::CompileShader& c =
+      *static_cast<const gles2::cmds::CompileShader*>(cmd_data);
+  (void)c;
   GLuint shader = c.shader;
   DoCompileShader(shader);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleCompressedTexSubImage2D(
     uint32_t immediate_data_size,
-    const gles2::cmds::CompressedTexSubImage2D& c) {
+    const void* cmd_data) {
+  const gles2::cmds::CompressedTexSubImage2D& c =
+      *static_cast<const gles2::cmds::CompressedTexSubImage2D*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLint level = static_cast<GLint>(c.level);
   GLint xoffset = static_cast<GLint>(c.xoffset);
   GLint yoffset = static_cast<GLint>(c.yoffset);
   GLsizei width = static_cast<GLsizei>(c.width);
   GLsizei height = static_cast<GLsizei>(c.height);
   GLenum format = static_cast<GLenum>(c.format);
   GLsizei imageSize = static_cast<GLsizei>(c.imageSize);
   uint32_t data_size = imageSize;
   const void* data = GetSharedMemoryAs<const void*>(
@@ skipping 26 matching lines @@
   if (data == NULL) {
     return error::kOutOfBounds;
   }
   DoCompressedTexSubImage2D(
       target, level, xoffset, yoffset, width, height, format, imageSize, data);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleCopyTexImage2D(
     uint32_t immediate_data_size,
-    const gles2::cmds::CopyTexImage2D& c) {
+    const void* cmd_data) {
+  const gles2::cmds::CopyTexImage2D& c =
+      *static_cast<const gles2::cmds::CopyTexImage2D*>(cmd_data);
+  (void)c;
   error::Error error;
   error = WillAccessBoundFramebufferForRead();
   if (error != error::kNoError)
     return error;
   GLenum target = static_cast<GLenum>(c.target);
   GLint level = static_cast<GLint>(c.level);
   GLenum internalformat = static_cast<GLenum>(c.internalformat);
   GLint x = static_cast<GLint>(c.x);
   GLint y = static_cast<GLint>(c.y);
   GLsizei width = static_cast<GLsizei>(c.width);
@@ skipping 15 matching lines @@
   if (height < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyTexImage2D", "height < 0");
     return error::kNoError;
   }
   DoCopyTexImage2D(target, level, internalformat, x, y, width, height, border);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleCopyTexSubImage2D(
     uint32_t immediate_data_size,
-    const gles2::cmds::CopyTexSubImage2D& c) {
+    const void* cmd_data) {
+  const gles2::cmds::CopyTexSubImage2D& c =
+      *static_cast<const gles2::cmds::CopyTexSubImage2D*>(cmd_data);
+  (void)c;
   error::Error error;
   error = WillAccessBoundFramebufferForRead();
   if (error != error::kNoError)
     return error;
   GLenum target = static_cast<GLenum>(c.target);
   GLint level = static_cast<GLint>(c.level);
   GLint xoffset = static_cast<GLint>(c.xoffset);
   GLint yoffset = static_cast<GLint>(c.yoffset);
   GLint x = static_cast<GLint>(c.x);
   GLint y = static_cast<GLint>(c.y);
   GLsizei width = static_cast<GLsizei>(c.width);
   GLsizei height = static_cast<GLsizei>(c.height);
   if (!validators_->texture_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glCopyTexSubImage2D", target, "target");
     return error::kNoError;
   }
   if (width < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyTexSubImage2D", "width < 0");
     return error::kNoError;
   }
   if (height < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyTexSubImage2D", "height < 0");
     return error::kNoError;
   }
   DoCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleCreateProgram(
-    uint32_t immediate_data_size,
-    const gles2::cmds::CreateProgram& c) {
+error::Error GLES2DecoderImpl::HandleCreateProgram(uint32_t immediate_data_size,
+                                                   const void* cmd_data) {
+  const gles2::cmds::CreateProgram& c =
+      *static_cast<const gles2::cmds::CreateProgram*>(cmd_data);
+  (void)c;
   uint32_t client_id = c.client_id;
   if (!CreateProgramHelper(client_id)) {
     return error::kInvalidArguments;
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleCreateShader(
-    uint32_t immediate_data_size,
-    const gles2::cmds::CreateShader& c) {
+error::Error GLES2DecoderImpl::HandleCreateShader(uint32_t immediate_data_size,
+                                                  const void* cmd_data) {
+  const gles2::cmds::CreateShader& c =
+      *static_cast<const gles2::cmds::CreateShader*>(cmd_data);
+  (void)c;
   GLenum type = static_cast<GLenum>(c.type);
   if (!validators_->shader_type.IsValid(type)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glCreateShader", type, "type");
     return error::kNoError;
   }
   uint32_t client_id = c.client_id;
   if (!CreateShaderHelper(type, client_id)) {
     return error::kInvalidArguments;
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleCullFace(uint32_t immediate_data_size,
-                                              const gles2::cmds::CullFace& c) {
+                                              const void* cmd_data) {
+  const gles2::cmds::CullFace& c =
+      *static_cast<const gles2::cmds::CullFace*>(cmd_data);
+  (void)c;
   GLenum mode = static_cast<GLenum>(c.mode);
   if (!validators_->face_type.IsValid(mode)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glCullFace", mode, "mode");
     return error::kNoError;
   }
   if (state_.cull_mode != mode) {
     state_.cull_mode = mode;
     glCullFace(mode);
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDeleteBuffersImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::DeleteBuffersImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::DeleteBuffersImmediate& c =
+      *static_cast<const gles2::cmds::DeleteBuffersImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   const GLuint* buffers =
       GetImmediateDataAs<const GLuint*>(c, data_size, immediate_data_size);
   if (buffers == NULL) {
     return error::kOutOfBounds;
   }
   DeleteBuffersHelper(n, buffers);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDeleteFramebuffersImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::DeleteFramebuffersImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::DeleteFramebuffersImmediate& c =
+      *static_cast<const gles2::cmds::DeleteFramebuffersImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   const GLuint* framebuffers =
       GetImmediateDataAs<const GLuint*>(c, data_size, immediate_data_size);
   if (framebuffers == NULL) {
     return error::kOutOfBounds;
   }
   DeleteFramebuffersHelper(n, framebuffers);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDeleteRenderbuffersImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::DeleteRenderbuffersImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::DeleteRenderbuffersImmediate& c =
+      *static_cast<const gles2::cmds::DeleteRenderbuffersImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   const GLuint* renderbuffers =
       GetImmediateDataAs<const GLuint*>(c, data_size, immediate_data_size);
   if (renderbuffers == NULL) {
     return error::kOutOfBounds;
   }
   DeleteRenderbuffersHelper(n, renderbuffers);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDeleteTexturesImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::DeleteTexturesImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::DeleteTexturesImmediate& c =
+      *static_cast<const gles2::cmds::DeleteTexturesImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   const GLuint* textures =
       GetImmediateDataAs<const GLuint*>(c, data_size, immediate_data_size);
   if (textures == NULL) {
     return error::kOutOfBounds;
   }
   DeleteTexturesHelper(n, textures);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleDepthFunc(
-    uint32_t immediate_data_size,
-    const gles2::cmds::DepthFunc& c) {
+error::Error GLES2DecoderImpl::HandleDepthFunc(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::DepthFunc& c =
+      *static_cast<const gles2::cmds::DepthFunc*>(cmd_data);
+  (void)c;
   GLenum func = static_cast<GLenum>(c.func);
   if (!validators_->cmp_function.IsValid(func)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glDepthFunc", func, "func");
     return error::kNoError;
   }
   if (state_.depth_func != func) {
     state_.depth_func = func;
     glDepthFunc(func);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleDepthMask(
-    uint32_t immediate_data_size,
-    const gles2::cmds::DepthMask& c) {
+error::Error GLES2DecoderImpl::HandleDepthMask(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::DepthMask& c =
+      *static_cast<const gles2::cmds::DepthMask*>(cmd_data);
+  (void)c;
   GLboolean flag = static_cast<GLboolean>(c.flag);
   if (state_.depth_mask != flag) {
     state_.depth_mask = flag;
     framebuffer_state_.clear_state_dirty = true;
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleDepthRangef(
-    uint32_t immediate_data_size,
-    const gles2::cmds::DepthRangef& c) {
+error::Error GLES2DecoderImpl::HandleDepthRangef(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::DepthRangef& c =
+      *static_cast<const gles2::cmds::DepthRangef*>(cmd_data);
+  (void)c;
   GLclampf zNear = static_cast<GLclampf>(c.zNear);
   GLclampf zFar = static_cast<GLclampf>(c.zFar);
   DoDepthRangef(zNear, zFar);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleDetachShader(
-    uint32_t immediate_data_size,
-    const gles2::cmds::DetachShader& c) {
+error::Error GLES2DecoderImpl::HandleDetachShader(uint32_t immediate_data_size,
+                                                  const void* cmd_data) {
+  const gles2::cmds::DetachShader& c =
+      *static_cast<const gles2::cmds::DetachShader*>(cmd_data);
+  (void)c;
   GLuint program = c.program;
   GLuint shader = c.shader;
   DoDetachShader(program, shader);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDisable(uint32_t immediate_data_size,
-                                             const gles2::cmds::Disable& c) {
+                                             const void* cmd_data) {
+  const gles2::cmds::Disable& c =
+      *static_cast<const gles2::cmds::Disable*>(cmd_data);
+  (void)c;
   GLenum cap = static_cast<GLenum>(c.cap);
   if (!validators_->capability.IsValid(cap)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glDisable", cap, "cap");
     return error::kNoError;
   }
   DoDisable(cap);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDisableVertexAttribArray(
     uint32_t immediate_data_size,
-    const gles2::cmds::DisableVertexAttribArray& c) {
+    const void* cmd_data) {
+  const gles2::cmds::DisableVertexAttribArray& c =
+      *static_cast<const gles2::cmds::DisableVertexAttribArray*>(cmd_data);
+  (void)c;
   GLuint index = static_cast<GLuint>(c.index);
   DoDisableVertexAttribArray(index);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleEnable(uint32_t immediate_data_size,
-                                            const gles2::cmds::Enable& c) {
+                                            const void* cmd_data) {
+  const gles2::cmds::Enable& c =
+      *static_cast<const gles2::cmds::Enable*>(cmd_data);
+  (void)c;
   GLenum cap = static_cast<GLenum>(c.cap);
   if (!validators_->capability.IsValid(cap)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glEnable", cap, "cap");
     return error::kNoError;
   }
   DoEnable(cap);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleEnableVertexAttribArray(
     uint32_t immediate_data_size,
-    const gles2::cmds::EnableVertexAttribArray& c) {
+    const void* cmd_data) {
+  const gles2::cmds::EnableVertexAttribArray& c =
+      *static_cast<const gles2::cmds::EnableVertexAttribArray*>(cmd_data);
+  (void)c;
   GLuint index = static_cast<GLuint>(c.index);
   DoEnableVertexAttribArray(index);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleFinish(uint32_t immediate_data_size,
-                                            const gles2::cmds::Finish& c) {
+                                            const void* cmd_data) {
+  const gles2::cmds::Finish& c =
+      *static_cast<const gles2::cmds::Finish*>(cmd_data);
+  (void)c;
   error::Error error;
   error = WillAccessBoundFramebufferForRead();
   if (error != error::kNoError)
     return error;
   DoFinish();
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleFlush(uint32_t immediate_data_size,
-                                           const gles2::cmds::Flush& c) {
+                                           const void* cmd_data) {
+  const gles2::cmds::Flush& c =
+      *static_cast<const gles2::cmds::Flush*>(cmd_data);
+  (void)c;
   DoFlush();
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleFramebufferRenderbuffer(
     uint32_t immediate_data_size,
-    const gles2::cmds::FramebufferRenderbuffer& c) {
+    const void* cmd_data) {
+  const gles2::cmds::FramebufferRenderbuffer& c =
+      *static_cast<const gles2::cmds::FramebufferRenderbuffer*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum attachment = static_cast<GLenum>(c.attachment);
   GLenum renderbuffertarget = static_cast<GLenum>(c.renderbuffertarget);
   GLuint renderbuffer = c.renderbuffer;
   if (!validators_->frame_buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glFramebufferRenderbuffer", target, "target");
     return error::kNoError;
   }
   if (!validators_->attachment.IsValid(attachment)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glFramebufferRenderbuffer", attachment, "attachment");
     return error::kNoError;
   }
   if (!validators_->render_buffer_target.IsValid(renderbuffertarget)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glFramebufferRenderbuffer", renderbuffertarget, "renderbuffertarget");
     return error::kNoError;
   }
   DoFramebufferRenderbuffer(
       target, attachment, renderbuffertarget, renderbuffer);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleFramebufferTexture2D(
     uint32_t immediate_data_size,
-    const gles2::cmds::FramebufferTexture2D& c) {
+    const void* cmd_data) {
+  const gles2::cmds::FramebufferTexture2D& c =
+      *static_cast<const gles2::cmds::FramebufferTexture2D*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum attachment = static_cast<GLenum>(c.attachment);
   GLenum textarget = static_cast<GLenum>(c.textarget);
   GLuint texture = c.texture;
   GLint level = static_cast<GLint>(c.level);
   if (!validators_->frame_buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glFramebufferTexture2D", target, "target");
     return error::kNoError;
   }
   if (!validators_->attachment.IsValid(attachment)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glFramebufferTexture2D", attachment, "attachment");
     return error::kNoError;
   }
   if (!validators_->texture_target.IsValid(textarget)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glFramebufferTexture2D", textarget, "textarget");
     return error::kNoError;
   }
   DoFramebufferTexture2D(target, attachment, textarget, texture, level);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleFrontFace(
-    uint32_t immediate_data_size,
-    const gles2::cmds::FrontFace& c) {
+error::Error GLES2DecoderImpl::HandleFrontFace(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::FrontFace& c =
+      *static_cast<const gles2::cmds::FrontFace*>(cmd_data);
+  (void)c;
   GLenum mode = static_cast<GLenum>(c.mode);
   if (!validators_->face_mode.IsValid(mode)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glFrontFace", mode, "mode");
     return error::kNoError;
   }
   if (state_.front_face != mode) {
     state_.front_face = mode;
     glFrontFace(mode);
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGenBuffersImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::GenBuffersImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GenBuffersImmediate& c =
+      *static_cast<const gles2::cmds::GenBuffersImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   GLuint* buffers =
       GetImmediateDataAs<GLuint*>(c, data_size, immediate_data_size);
   if (buffers == NULL) {
     return error::kOutOfBounds;
   }
   if (!GenBuffersHelper(n, buffers)) {
     return error::kInvalidArguments;
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGenerateMipmap(
     uint32_t immediate_data_size,
-    const gles2::cmds::GenerateMipmap& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GenerateMipmap& c =
+      *static_cast<const gles2::cmds::GenerateMipmap*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGenerateMipmap", target, "target");
     return error::kNoError;
   }
   DoGenerateMipmap(target);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGenFramebuffersImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::GenFramebuffersImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GenFramebuffersImmediate& c =
+      *static_cast<const gles2::cmds::GenFramebuffersImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   GLuint* framebuffers =
       GetImmediateDataAs<GLuint*>(c, data_size, immediate_data_size);
   if (framebuffers == NULL) {
     return error::kOutOfBounds;
   }
   if (!GenFramebuffersHelper(n, framebuffers)) {
     return error::kInvalidArguments;
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGenRenderbuffersImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::GenRenderbuffersImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GenRenderbuffersImmediate& c =
+      *static_cast<const gles2::cmds::GenRenderbuffersImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   GLuint* renderbuffers =
       GetImmediateDataAs<GLuint*>(c, data_size, immediate_data_size);
   if (renderbuffers == NULL) {
     return error::kOutOfBounds;
   }
   if (!GenRenderbuffersHelper(n, renderbuffers)) {
     return error::kInvalidArguments;
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGenTexturesImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::GenTexturesImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GenTexturesImmediate& c =
+      *static_cast<const gles2::cmds::GenTexturesImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   GLuint* textures =
       GetImmediateDataAs<GLuint*>(c, data_size, immediate_data_size);
   if (textures == NULL) {
     return error::kOutOfBounds;
   }
   if (!GenTexturesHelper(n, textures)) {
     return error::kInvalidArguments;
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleGetBooleanv(
-    uint32_t immediate_data_size,
-    const gles2::cmds::GetBooleanv& c) {
+error::Error GLES2DecoderImpl::HandleGetBooleanv(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::GetBooleanv& c =
+      *static_cast<const gles2::cmds::GetBooleanv*>(cmd_data);
+  (void)c;
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetBooleanv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLboolean* params = result ? result->GetData() : NULL;
   if (!validators_->g_l_state.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetBooleanv", pname, "pname");
     return error::kNoError;
@@ skipping 11 matching lines @@
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetBooleanv", "");
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGetBufferParameteriv(
     uint32_t immediate_data_size,
-    const gles2::cmds::GetBufferParameteriv& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GetBufferParameteriv& c =
+      *static_cast<const gles2::cmds::GetBufferParameteriv*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetBufferParameteriv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLint* params = result ? result->GetData() : NULL;
   if (!validators_->buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetBufferParameteriv", target, "target");
     return error::kNoError;
   }
   if (!validators_->buffer_parameter.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetBufferParameteriv", pname, "pname");
     return error::kNoError;
   }
   if (params == NULL) {
     return error::kOutOfBounds;
   }
   // Check that the client initialized the result.
   if (result->size != 0) {
     return error::kInvalidArguments;
   }
   DoGetBufferParameteriv(target, pname, params);
   result->SetNumResults(num_values);
   return error::kNoError;
 }
 error::Error GLES2DecoderImpl::HandleGetError(uint32_t immediate_data_size,
-                                              const gles2::cmds::GetError& c) {
+                                              const void* cmd_data) {
+  const gles2::cmds::GetError& c =
+      *static_cast<const gles2::cmds::GetError*>(cmd_data);
+  (void)c;
   typedef cmds::GetError::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   *result_dst = GetErrorState()->GetGLError();
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleGetFloatv(
-    uint32_t immediate_data_size,
-    const gles2::cmds::GetFloatv& c) {
+error::Error GLES2DecoderImpl::HandleGetFloatv(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::GetFloatv& c =
+      *static_cast<const gles2::cmds::GetFloatv*>(cmd_data);
+  (void)c;
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetFloatv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLfloat* params = result ? result->GetData() : NULL;
   if (!validators_->g_l_state.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetFloatv", pname, "pname");
     return error::kNoError;
@@ skipping 11 matching lines @@
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetFloatv", "");
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGetFramebufferAttachmentParameteriv(
     uint32_t immediate_data_size,
-    const gles2::cmds::GetFramebufferAttachmentParameteriv& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GetFramebufferAttachmentParameteriv& c =
+      *static_cast<const gles2::cmds::GetFramebufferAttachmentParameteriv*>(
+          cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum attachment = static_cast<GLenum>(c.attachment);
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetFramebufferAttachmentParameteriv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLint* params = result ? result->GetData() : NULL;
   if (!validators_->frame_buffer_target.IsValid(target)) {
@@ skipping 22 matching lines @@
   DoGetFramebufferAttachmentParameteriv(target, attachment, pname, params);
   GLenum error = glGetError();
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetFramebufferAttachmentParameteriv", "");
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleGetIntegerv(
-    uint32_t immediate_data_size,
-    const gles2::cmds::GetIntegerv& c) {
+error::Error GLES2DecoderImpl::HandleGetIntegerv(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::GetIntegerv& c =
+      *static_cast<const gles2::cmds::GetIntegerv*>(cmd_data);
+  (void)c;
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetIntegerv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLint* params = result ? result->GetData() : NULL;
   if (!validators_->g_l_state.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetIntegerv", pname, "pname");
     return error::kNoError;
   }
   if (params == NULL) {
     return error::kOutOfBounds;
   }
   LOCAL_COPY_REAL_GL_ERRORS_TO_WRAPPER("GetIntegerv");
   // Check that the client initialized the result.
   if (result->size != 0) {
     return error::kInvalidArguments;
   }
   DoGetIntegerv(pname, params);
   GLenum error = glGetError();
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetIntegerv", "");
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleGetProgramiv(
-    uint32_t immediate_data_size,
-    const gles2::cmds::GetProgramiv& c) {
+error::Error GLES2DecoderImpl::HandleGetProgramiv(uint32_t immediate_data_size,
+                                                  const void* cmd_data) {
+  const gles2::cmds::GetProgramiv& c =
+      *static_cast<const gles2::cmds::GetProgramiv*>(cmd_data);
+  (void)c;
   GLuint program = c.program;
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetProgramiv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLint* params = result ? result->GetData() : NULL;
   if (!validators_->program_parameter.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetProgramiv", pname, "pname");
@@ skipping 12 matching lines @@
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetProgramiv", "");
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGetRenderbufferParameteriv(
     uint32_t immediate_data_size,
-    const gles2::cmds::GetRenderbufferParameteriv& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GetRenderbufferParameteriv& c =
+      *static_cast<const gles2::cmds::GetRenderbufferParameteriv*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetRenderbufferParameteriv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLint* params = result ? result->GetData() : NULL;
   if (!validators_->render_buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
@@ skipping 16 matching lines @@
   DoGetRenderbufferParameteriv(target, pname, params);
   GLenum error = glGetError();
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetRenderbufferParameteriv", "");
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleGetShaderiv(
-    uint32_t immediate_data_size,
-    const gles2::cmds::GetShaderiv& c) {
+error::Error GLES2DecoderImpl::HandleGetShaderiv(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::GetShaderiv& c =
+      *static_cast<const gles2::cmds::GetShaderiv*>(cmd_data);
+  (void)c;
   GLuint shader = c.shader;
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetShaderiv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLint* params = result ? result->GetData() : NULL;
   if (!validators_->shader_parameter.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetShaderiv", pname, "pname");
@@ skipping 12 matching lines @@
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetShaderiv", "");
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGetTexParameterfv(
     uint32_t immediate_data_size,
-    const gles2::cmds::GetTexParameterfv& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GetTexParameterfv& c =
+      *static_cast<const gles2::cmds::GetTexParameterfv*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetTexParameterfv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLfloat* params = result ? result->GetData() : NULL;
   if (!validators_->get_tex_param_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetTexParameterfv", target, "target");
@@ skipping 16 matching lines @@
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetTexParameterfv", "");
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGetTexParameteriv(
     uint32_t immediate_data_size,
-    const gles2::cmds::GetTexParameteriv& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GetTexParameteriv& c =
+      *static_cast<const gles2::cmds::GetTexParameteriv*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetTexParameteriv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLint* params = result ? result->GetData() : NULL;
   if (!validators_->get_tex_param_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetTexParameteriv", target, "target");
@@ skipping 16 matching lines @@
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetTexParameteriv", "");
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGetVertexAttribfv(
     uint32_t immediate_data_size,
-    const gles2::cmds::GetVertexAttribfv& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GetVertexAttribfv& c =
+      *static_cast<const gles2::cmds::GetVertexAttribfv*>(cmd_data);
+  (void)c;
   GLuint index = static_cast<GLuint>(c.index);
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetVertexAttribfv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLfloat* params = result ? result->GetData() : NULL;
   if (!validators_->vertex_attribute.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetVertexAttribfv", pname, "pname");
@@ skipping 12 matching lines @@
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetVertexAttribfv", "");
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGetVertexAttribiv(
     uint32_t immediate_data_size,
-    const gles2::cmds::GetVertexAttribiv& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GetVertexAttribiv& c =
+      *static_cast<const gles2::cmds::GetVertexAttribiv*>(cmd_data);
+  (void)c;
   GLuint index = static_cast<GLuint>(c.index);
   GLenum pname = static_cast<GLenum>(c.pname);
   typedef cmds::GetVertexAttribiv::Result Result;
   GLsizei num_values = 0;
   GetNumValuesReturnedForGLGet(pname, &num_values);
   Result* result = GetSharedMemoryAs<Result*>(
       c.params_shm_id, c.params_shm_offset, Result::ComputeSize(num_values));
   GLint* params = result ? result->GetData() : NULL;
   if (!validators_->vertex_attribute.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glGetVertexAttribiv", pname, "pname");
@@ skipping 11 matching lines @@
   GLenum error = glGetError();
   if (error == GL_NO_ERROR) {
     result->SetNumResults(num_values);
   } else {
     LOCAL_SET_GL_ERROR(error, "GetVertexAttribiv", "");
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleHint(uint32_t immediate_data_size,
-                                          const gles2::cmds::Hint& c) {
+                                          const void* cmd_data) {
+  const gles2::cmds::Hint& c = *static_cast<const gles2::cmds::Hint*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum mode = static_cast<GLenum>(c.mode);
   if (!validators_->hint_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glHint", target, "target");
     return error::kNoError;
   }
   if (!validators_->hint_mode.IsValid(mode)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glHint", mode, "mode");
     return error::kNoError;
   }
@@ skipping 10 matching lines @@
         glHint(target, mode);
       }
       break;
     default:
       NOTREACHED();
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleIsBuffer(uint32_t immediate_data_size,
-                                              const gles2::cmds::IsBuffer& c) {
+                                              const void* cmd_data) {
+  const gles2::cmds::IsBuffer& c =
+      *static_cast<const gles2::cmds::IsBuffer*>(cmd_data);
+  (void)c;
   GLuint buffer = c.buffer;
   typedef cmds::IsBuffer::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   *result_dst = DoIsBuffer(buffer);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleIsEnabled(
-    uint32_t immediate_data_size,
-    const gles2::cmds::IsEnabled& c) {
+error::Error GLES2DecoderImpl::HandleIsEnabled(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::IsEnabled& c =
+      *static_cast<const gles2::cmds::IsEnabled*>(cmd_data);
+  (void)c;
   GLenum cap = static_cast<GLenum>(c.cap);
   typedef cmds::IsEnabled::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   if (!validators_->capability.IsValid(cap)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glIsEnabled", cap, "cap");
     return error::kNoError;
   }
   *result_dst = DoIsEnabled(cap);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleIsFramebuffer(
-    uint32_t immediate_data_size,
-    const gles2::cmds::IsFramebuffer& c) {
+error::Error GLES2DecoderImpl::HandleIsFramebuffer(uint32_t immediate_data_size,
+                                                   const void* cmd_data) {
+  const gles2::cmds::IsFramebuffer& c =
+      *static_cast<const gles2::cmds::IsFramebuffer*>(cmd_data);
+  (void)c;
   GLuint framebuffer = c.framebuffer;
   typedef cmds::IsFramebuffer::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   *result_dst = DoIsFramebuffer(framebuffer);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleIsProgram(
-    uint32_t immediate_data_size,
-    const gles2::cmds::IsProgram& c) {
+error::Error GLES2DecoderImpl::HandleIsProgram(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::IsProgram& c =
+      *static_cast<const gles2::cmds::IsProgram*>(cmd_data);
+  (void)c;
   GLuint program = c.program;
   typedef cmds::IsProgram::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   *result_dst = DoIsProgram(program);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleIsRenderbuffer(
     uint32_t immediate_data_size,
-    const gles2::cmds::IsRenderbuffer& c) {
+    const void* cmd_data) {
+  const gles2::cmds::IsRenderbuffer& c =
+      *static_cast<const gles2::cmds::IsRenderbuffer*>(cmd_data);
+  (void)c;
   GLuint renderbuffer = c.renderbuffer;
   typedef cmds::IsRenderbuffer::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   *result_dst = DoIsRenderbuffer(renderbuffer);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleIsShader(uint32_t immediate_data_size,
-                                              const gles2::cmds::IsShader& c) {
+                                              const void* cmd_data) {
+  const gles2::cmds::IsShader& c =
+      *static_cast<const gles2::cmds::IsShader*>(cmd_data);
+  (void)c;
   GLuint shader = c.shader;
   typedef cmds::IsShader::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   *result_dst = DoIsShader(shader);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleIsTexture(
-    uint32_t immediate_data_size,
-    const gles2::cmds::IsTexture& c) {
+error::Error GLES2DecoderImpl::HandleIsTexture(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::IsTexture& c =
+      *static_cast<const gles2::cmds::IsTexture*>(cmd_data);
+  (void)c;
   GLuint texture = c.texture;
   typedef cmds::IsTexture::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   *result_dst = DoIsTexture(texture);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleLineWidth(
-    uint32_t immediate_data_size,
-    const gles2::cmds::LineWidth& c) {
+error::Error GLES2DecoderImpl::HandleLineWidth(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::LineWidth& c =
+      *static_cast<const gles2::cmds::LineWidth*>(cmd_data);
+  (void)c;
   GLfloat width = static_cast<GLfloat>(c.width);
   if (width <= 0.0f || base::IsNaN(width)) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "LineWidth", "width out of range");
     return error::kNoError;
   }
   if (state_.line_width != width) {
     state_.line_width = width;
     glLineWidth(width);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleLinkProgram(
-    uint32_t immediate_data_size,
-    const gles2::cmds::LinkProgram& c) {
+error::Error GLES2DecoderImpl::HandleLinkProgram(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::LinkProgram& c =
+      *static_cast<const gles2::cmds::LinkProgram*>(cmd_data);
+  (void)c;
   GLuint program = c.program;
   DoLinkProgram(program);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandlePolygonOffset(
-    uint32_t immediate_data_size,
-    const gles2::cmds::PolygonOffset& c) {
+error::Error GLES2DecoderImpl::HandlePolygonOffset(uint32_t immediate_data_size,
+                                                   const void* cmd_data) {
+  const gles2::cmds::PolygonOffset& c =
+      *static_cast<const gles2::cmds::PolygonOffset*>(cmd_data);
+  (void)c;
   GLfloat factor = static_cast<GLfloat>(c.factor);
   GLfloat units = static_cast<GLfloat>(c.units);
   if (state_.polygon_offset_factor != factor ||
       state_.polygon_offset_units != units) {
     state_.polygon_offset_factor = factor;
     state_.polygon_offset_units = units;
     glPolygonOffset(factor, units);
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleReleaseShaderCompiler(
     uint32_t immediate_data_size,
-    const gles2::cmds::ReleaseShaderCompiler& c) {
+    const void* cmd_data) {
+  const gles2::cmds::ReleaseShaderCompiler& c =
+      *static_cast<const gles2::cmds::ReleaseShaderCompiler*>(cmd_data);
+  (void)c;
   DoReleaseShaderCompiler();
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleRenderbufferStorage(
     uint32_t immediate_data_size,
-    const gles2::cmds::RenderbufferStorage& c) {
+    const void* cmd_data) {
+  const gles2::cmds::RenderbufferStorage& c =
+      *static_cast<const gles2::cmds::RenderbufferStorage*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum internalformat = static_cast<GLenum>(c.internalformat);
   GLsizei width = static_cast<GLsizei>(c.width);
   GLsizei height = static_cast<GLsizei>(c.height);
   if (!validators_->render_buffer_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glRenderbufferStorage", target, "target");
     return error::kNoError;
   }
   if (!validators_->render_buffer_format.IsValid(internalformat)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glRenderbufferStorage", internalformat, "internalformat");
     return error::kNoError;
   }
   if (width < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glRenderbufferStorage", "width < 0");
     return error::kNoError;
   }
   if (height < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glRenderbufferStorage", "height < 0");
     return error::kNoError;
   }
   DoRenderbufferStorage(target, internalformat, width, height);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleSampleCoverage(
     uint32_t immediate_data_size,
-    const gles2::cmds::SampleCoverage& c) {
+    const void* cmd_data) {
+  const gles2::cmds::SampleCoverage& c =
+      *static_cast<const gles2::cmds::SampleCoverage*>(cmd_data);
+  (void)c;
   GLclampf value = static_cast<GLclampf>(c.value);
   GLboolean invert = static_cast<GLboolean>(c.invert);
   DoSampleCoverage(value, invert);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleScissor(uint32_t immediate_data_size,
-                                             const gles2::cmds::Scissor& c) {
+                                             const void* cmd_data) {
+  const gles2::cmds::Scissor& c =
+      *static_cast<const gles2::cmds::Scissor*>(cmd_data);
+  (void)c;
   GLint x = static_cast<GLint>(c.x);
   GLint y = static_cast<GLint>(c.y);
   GLsizei width = static_cast<GLsizei>(c.width);
   GLsizei height = static_cast<GLsizei>(c.height);
   if (width < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glScissor", "width < 0");
     return error::kNoError;
   }
   if (height < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glScissor", "height < 0");
     return error::kNoError;
   }
   if (state_.scissor_x != x || state_.scissor_y != y ||
       state_.scissor_width != width || state_.scissor_height != height) {
     state_.scissor_x = x;
     state_.scissor_y = y;
     state_.scissor_width = width;
     state_.scissor_height = height;
     glScissor(x, y, width, height);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleStencilFunc(
-    uint32_t immediate_data_size,
-    const gles2::cmds::StencilFunc& c) {
+error::Error GLES2DecoderImpl::HandleStencilFunc(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::StencilFunc& c =
+      *static_cast<const gles2::cmds::StencilFunc*>(cmd_data);
+  (void)c;
   GLenum func = static_cast<GLenum>(c.func);
   GLint ref = static_cast<GLint>(c.ref);
   GLuint mask = static_cast<GLuint>(c.mask);
   if (!validators_->cmp_function.IsValid(func)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glStencilFunc", func, "func");
     return error::kNoError;
   }
   if (state_.stencil_front_func != func || state_.stencil_front_ref != ref ||
       state_.stencil_front_mask != mask || state_.stencil_back_func != func ||
       state_.stencil_back_ref != ref || state_.stencil_back_mask != mask) {
     state_.stencil_front_func = func;
     state_.stencil_front_ref = ref;
     state_.stencil_front_mask = mask;
     state_.stencil_back_func = func;
     state_.stencil_back_ref = ref;
     state_.stencil_back_mask = mask;
     glStencilFunc(func, ref, mask);
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleStencilFuncSeparate(
     uint32_t immediate_data_size,
-    const gles2::cmds::StencilFuncSeparate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::StencilFuncSeparate& c =
+      *static_cast<const gles2::cmds::StencilFuncSeparate*>(cmd_data);
+  (void)c;
   GLenum face = static_cast<GLenum>(c.face);
   GLenum func = static_cast<GLenum>(c.func);
   GLint ref = static_cast<GLint>(c.ref);
   GLuint mask = static_cast<GLuint>(c.mask);
   if (!validators_->face_type.IsValid(face)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glStencilFuncSeparate", face, "face");
     return error::kNoError;
   }
   if (!validators_->cmp_function.IsValid(func)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glStencilFuncSeparate", func, "func");
@@ skipping 19 matching lines @@
     if (face == GL_BACK || face == GL_FRONT_AND_BACK) {
       state_.stencil_back_func = func;
       state_.stencil_back_ref = ref;
       state_.stencil_back_mask = mask;
     }
     glStencilFuncSeparate(face, func, ref, mask);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleStencilMask(
-    uint32_t immediate_data_size,
-    const gles2::cmds::StencilMask& c) {
+error::Error GLES2DecoderImpl::HandleStencilMask(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::StencilMask& c =
+      *static_cast<const gles2::cmds::StencilMask*>(cmd_data);
+  (void)c;
   GLuint mask = static_cast<GLuint>(c.mask);
   if (state_.stencil_front_writemask != mask ||
       state_.stencil_back_writemask != mask) {
     state_.stencil_front_writemask = mask;
     state_.stencil_back_writemask = mask;
     framebuffer_state_.clear_state_dirty = true;
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleStencilMaskSeparate(
     uint32_t immediate_data_size,
-    const gles2::cmds::StencilMaskSeparate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::StencilMaskSeparate& c =
+      *static_cast<const gles2::cmds::StencilMaskSeparate*>(cmd_data);
+  (void)c;
   GLenum face = static_cast<GLenum>(c.face);
   GLuint mask = static_cast<GLuint>(c.mask);
   if (!validators_->face_type.IsValid(face)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glStencilMaskSeparate", face, "face");
     return error::kNoError;
   }
   bool changed = false;
   if (face == GL_FRONT || face == GL_FRONT_AND_BACK) {
     changed |= state_.stencil_front_writemask != mask;
   }
   if (face == GL_BACK || face == GL_FRONT_AND_BACK) {
     changed |= state_.stencil_back_writemask != mask;
   }
   if (changed) {
     if (face == GL_FRONT || face == GL_FRONT_AND_BACK) {
       state_.stencil_front_writemask = mask;
     }
     if (face == GL_BACK || face == GL_FRONT_AND_BACK) {
       state_.stencil_back_writemask = mask;
     }
     framebuffer_state_.clear_state_dirty = true;
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleStencilOp(
-    uint32_t immediate_data_size,
-    const gles2::cmds::StencilOp& c) {
+error::Error GLES2DecoderImpl::HandleStencilOp(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::StencilOp& c =
+      *static_cast<const gles2::cmds::StencilOp*>(cmd_data);
+  (void)c;
   GLenum fail = static_cast<GLenum>(c.fail);
   GLenum zfail = static_cast<GLenum>(c.zfail);
   GLenum zpass = static_cast<GLenum>(c.zpass);
   if (!validators_->stencil_op.IsValid(fail)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glStencilOp", fail, "fail");
     return error::kNoError;
   }
   if (!validators_->stencil_op.IsValid(zfail)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glStencilOp", zfail, "zfail");
     return error::kNoError;
@@ skipping 14 matching lines @@
     state_.stencil_back_fail_op = fail;
     state_.stencil_back_z_fail_op = zfail;
     state_.stencil_back_z_pass_op = zpass;
     glStencilOp(fail, zfail, zpass);
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleStencilOpSeparate(
     uint32_t immediate_data_size,
-    const gles2::cmds::StencilOpSeparate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::StencilOpSeparate& c =
+      *static_cast<const gles2::cmds::StencilOpSeparate*>(cmd_data);
+  (void)c;
   GLenum face = static_cast<GLenum>(c.face);
   GLenum fail = static_cast<GLenum>(c.fail);
   GLenum zfail = static_cast<GLenum>(c.zfail);
   GLenum zpass = static_cast<GLenum>(c.zpass);
   if (!validators_->face_type.IsValid(face)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glStencilOpSeparate", face, "face");
     return error::kNoError;
   }
   if (!validators_->stencil_op.IsValid(fail)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glStencilOpSeparate", fail, "fail");
@@ skipping 27 matching lines @@
     if (face == GL_BACK || face == GL_FRONT_AND_BACK) {
       state_.stencil_back_fail_op = fail;
       state_.stencil_back_z_fail_op = zfail;
       state_.stencil_back_z_pass_op = zpass;
     }
     glStencilOpSeparate(face, fail, zfail, zpass);
   }
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleTexParameterf(
-    uint32_t immediate_data_size,
-    const gles2::cmds::TexParameterf& c) {
+error::Error GLES2DecoderImpl::HandleTexParameterf(uint32_t immediate_data_size,
+                                                   const void* cmd_data) {
+  const gles2::cmds::TexParameterf& c =
+      *static_cast<const gles2::cmds::TexParameterf*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum pname = static_cast<GLenum>(c.pname);
   GLfloat param = static_cast<GLfloat>(c.param);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glTexParameterf", target, "target");
     return error::kNoError;
   }
   if (!validators_->texture_parameter.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glTexParameterf", pname, "pname");
     return error::kNoError;
   }
   DoTexParameterf(target, pname, param);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleTexParameterfvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::TexParameterfvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::TexParameterfvImmediate& c =
+      *static_cast<const gles2::cmds::TexParameterfvImmediate*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum pname = static_cast<GLenum>(c.pname);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLfloat), 1, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* params =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glTexParameterfv", target, "target");
     return error::kNoError;
   }
   if (!validators_->texture_parameter.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glTexParameterfv", pname, "pname");
     return error::kNoError;
   }
   if (params == NULL) {
     return error::kOutOfBounds;
   }
   DoTexParameterfv(target, pname, params);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleTexParameteri(
-    uint32_t immediate_data_size,
-    const gles2::cmds::TexParameteri& c) {
+error::Error GLES2DecoderImpl::HandleTexParameteri(uint32_t immediate_data_size,
+                                                   const void* cmd_data) {
+  const gles2::cmds::TexParameteri& c =
+      *static_cast<const gles2::cmds::TexParameteri*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum pname = static_cast<GLenum>(c.pname);
   GLint param = static_cast<GLint>(c.param);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glTexParameteri", target, "target");
     return error::kNoError;
   }
   if (!validators_->texture_parameter.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glTexParameteri", pname, "pname");
     return error::kNoError;
   }
   DoTexParameteri(target, pname, param);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleTexParameterivImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::TexParameterivImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::TexParameterivImmediate& c =
+      *static_cast<const gles2::cmds::TexParameterivImmediate*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum pname = static_cast<GLenum>(c.pname);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLint), 1, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLint* params =
       GetImmediateDataAs<const GLint*>(c, data_size, immediate_data_size);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glTexParameteriv", target, "target");
     return error::kNoError;
   }
   if (!validators_->texture_parameter.IsValid(pname)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glTexParameteriv", pname, "pname");
     return error::kNoError;
   }
   if (params == NULL) {
     return error::kOutOfBounds;
   }
   DoTexParameteriv(target, pname, params);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleUniform1f(
-    uint32_t immediate_data_size,
-    const gles2::cmds::Uniform1f& c) {
+error::Error GLES2DecoderImpl::HandleUniform1f(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::Uniform1f& c =
+      *static_cast<const gles2::cmds::Uniform1f*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLfloat x = static_cast<GLfloat>(c.x);
   GLfloat temp[1] = {
       x,
   };
   DoUniform1fv(location, 1, &temp[0]);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniform1fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::Uniform1fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::Uniform1fvImmediate& c =
+      *static_cast<const gles2::cmds::Uniform1fvImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLfloat), 1, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* v =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (v == NULL) {
     return error::kOutOfBounds;
   }
   DoUniform1fv(location, count, v);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleUniform1i(
-    uint32_t immediate_data_size,
-    const gles2::cmds::Uniform1i& c) {
+error::Error GLES2DecoderImpl::HandleUniform1i(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::Uniform1i& c =
+      *static_cast<const gles2::cmds::Uniform1i*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLint x = static_cast<GLint>(c.x);
   DoUniform1i(location, x);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniform1ivImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::Uniform1ivImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::Uniform1ivImmediate& c =
+      *static_cast<const gles2::cmds::Uniform1ivImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLint), 1, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLint* v =
       GetImmediateDataAs<const GLint*>(c, data_size, immediate_data_size);
   if (v == NULL) {
     return error::kOutOfBounds;
   }
   DoUniform1iv(location, count, v);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleUniform2f(
-    uint32_t immediate_data_size,
-    const gles2::cmds::Uniform2f& c) {
+error::Error GLES2DecoderImpl::HandleUniform2f(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::Uniform2f& c =
+      *static_cast<const gles2::cmds::Uniform2f*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLfloat x = static_cast<GLfloat>(c.x);
   GLfloat y = static_cast<GLfloat>(c.y);
   GLfloat temp[2] = {
       x, y,
   };
   DoUniform2fv(location, 1, &temp[0]);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniform2fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::Uniform2fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::Uniform2fvImmediate& c =
+      *static_cast<const gles2::cmds::Uniform2fvImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLfloat), 2, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* v =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (v == NULL) {
     return error::kOutOfBounds;
   }
   DoUniform2fv(location, count, v);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleUniform2i(
-    uint32_t immediate_data_size,
-    const gles2::cmds::Uniform2i& c) {
+error::Error GLES2DecoderImpl::HandleUniform2i(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::Uniform2i& c =
+      *static_cast<const gles2::cmds::Uniform2i*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLint x = static_cast<GLint>(c.x);
   GLint y = static_cast<GLint>(c.y);
   GLint temp[2] = {
       x, y,
   };
   DoUniform2iv(location, 1, &temp[0]);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniform2ivImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::Uniform2ivImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::Uniform2ivImmediate& c =
+      *static_cast<const gles2::cmds::Uniform2ivImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLint), 2, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLint* v =
       GetImmediateDataAs<const GLint*>(c, data_size, immediate_data_size);
   if (v == NULL) {
     return error::kOutOfBounds;
   }
   DoUniform2iv(location, count, v);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleUniform3f(
-    uint32_t immediate_data_size,
-    const gles2::cmds::Uniform3f& c) {
+error::Error GLES2DecoderImpl::HandleUniform3f(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::Uniform3f& c =
+      *static_cast<const gles2::cmds::Uniform3f*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLfloat x = static_cast<GLfloat>(c.x);
   GLfloat y = static_cast<GLfloat>(c.y);
   GLfloat z = static_cast<GLfloat>(c.z);
   GLfloat temp[3] = {
       x, y, z,
   };
   DoUniform3fv(location, 1, &temp[0]);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniform3fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::Uniform3fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::Uniform3fvImmediate& c =
+      *static_cast<const gles2::cmds::Uniform3fvImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLfloat), 3, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* v =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (v == NULL) {
     return error::kOutOfBounds;
   }
   DoUniform3fv(location, count, v);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleUniform3i(
-    uint32_t immediate_data_size,
-    const gles2::cmds::Uniform3i& c) {
+error::Error GLES2DecoderImpl::HandleUniform3i(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::Uniform3i& c =
+      *static_cast<const gles2::cmds::Uniform3i*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLint x = static_cast<GLint>(c.x);
   GLint y = static_cast<GLint>(c.y);
   GLint z = static_cast<GLint>(c.z);
   GLint temp[3] = {
       x, y, z,
   };
   DoUniform3iv(location, 1, &temp[0]);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniform3ivImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::Uniform3ivImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::Uniform3ivImmediate& c =
+      *static_cast<const gles2::cmds::Uniform3ivImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLint), 3, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLint* v =
       GetImmediateDataAs<const GLint*>(c, data_size, immediate_data_size);
   if (v == NULL) {
     return error::kOutOfBounds;
   }
   DoUniform3iv(location, count, v);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleUniform4f(
-    uint32_t immediate_data_size,
-    const gles2::cmds::Uniform4f& c) {
+error::Error GLES2DecoderImpl::HandleUniform4f(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::Uniform4f& c =
+      *static_cast<const gles2::cmds::Uniform4f*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLfloat x = static_cast<GLfloat>(c.x);
   GLfloat y = static_cast<GLfloat>(c.y);
   GLfloat z = static_cast<GLfloat>(c.z);
   GLfloat w = static_cast<GLfloat>(c.w);
   GLfloat temp[4] = {
       x, y, z, w,
   };
   DoUniform4fv(location, 1, &temp[0]);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniform4fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::Uniform4fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::Uniform4fvImmediate& c =
+      *static_cast<const gles2::cmds::Uniform4fvImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLfloat), 4, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* v =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (v == NULL) {
     return error::kOutOfBounds;
   }
   DoUniform4fv(location, count, v);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleUniform4i(
-    uint32_t immediate_data_size,
-    const gles2::cmds::Uniform4i& c) {
+error::Error GLES2DecoderImpl::HandleUniform4i(uint32_t immediate_data_size,
+                                               const void* cmd_data) {
+  const gles2::cmds::Uniform4i& c =
+      *static_cast<const gles2::cmds::Uniform4i*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLint x = static_cast<GLint>(c.x);
   GLint y = static_cast<GLint>(c.y);
   GLint z = static_cast<GLint>(c.z);
   GLint w = static_cast<GLint>(c.w);
   GLint temp[4] = {
       x, y, z, w,
   };
   DoUniform4iv(location, 1, &temp[0]);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniform4ivImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::Uniform4ivImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::Uniform4ivImmediate& c =
+      *static_cast<const gles2::cmds::Uniform4ivImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLint), 4, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLint* v =
       GetImmediateDataAs<const GLint*>(c, data_size, immediate_data_size);
   if (v == NULL) {
     return error::kOutOfBounds;
   }
   DoUniform4iv(location, count, v);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniformMatrix2fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::UniformMatrix2fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::UniformMatrix2fvImmediate& c =
+      *static_cast<const gles2::cmds::UniformMatrix2fvImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   GLboolean transpose = static_cast<GLboolean>(c.transpose);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLfloat), 4, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* value =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (value == NULL) {
     return error::kOutOfBounds;
   }
   DoUniformMatrix2fv(location, count, transpose, value);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniformMatrix3fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::UniformMatrix3fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::UniformMatrix3fvImmediate& c =
+      *static_cast<const gles2::cmds::UniformMatrix3fvImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   GLboolean transpose = static_cast<GLboolean>(c.transpose);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLfloat), 9, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* value =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (value == NULL) {
     return error::kOutOfBounds;
   }
   DoUniformMatrix3fv(location, count, transpose, value);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleUniformMatrix4fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::UniformMatrix4fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::UniformMatrix4fvImmediate& c =
+      *static_cast<const gles2::cmds::UniformMatrix4fvImmediate*>(cmd_data);
+  (void)c;
   GLint location = static_cast<GLint>(c.location);
   GLsizei count = static_cast<GLsizei>(c.count);
   GLboolean transpose = static_cast<GLboolean>(c.transpose);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLfloat), 16, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* value =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (value == NULL) {
     return error::kOutOfBounds;
   }
   DoUniformMatrix4fv(location, count, transpose, value);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleUseProgram(
-    uint32_t immediate_data_size,
-    const gles2::cmds::UseProgram& c) {
+error::Error GLES2DecoderImpl::HandleUseProgram(uint32_t immediate_data_size,
+                                                const void* cmd_data) {
+  const gles2::cmds::UseProgram& c =
+      *static_cast<const gles2::cmds::UseProgram*>(cmd_data);
+  (void)c;
   GLuint program = c.program;
   DoUseProgram(program);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleValidateProgram(
     uint32_t immediate_data_size,
-    const gles2::cmds::ValidateProgram& c) {
+    const void* cmd_data) {
+  const gles2::cmds::ValidateProgram& c =
+      *static_cast<const gles2::cmds::ValidateProgram*>(cmd_data);
+  (void)c;
   GLuint program = c.program;
   DoValidateProgram(program);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleVertexAttrib1f(
     uint32_t immediate_data_size,
-    const gles2::cmds::VertexAttrib1f& c) {
+    const void* cmd_data) {
+  const gles2::cmds::VertexAttrib1f& c =
+      *static_cast<const gles2::cmds::VertexAttrib1f*>(cmd_data);
+  (void)c;
   GLuint indx = static_cast<GLuint>(c.indx);
   GLfloat x = static_cast<GLfloat>(c.x);
   DoVertexAttrib1f(indx, x);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleVertexAttrib1fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::VertexAttrib1fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::VertexAttrib1fvImmediate& c =
+      *static_cast<const gles2::cmds::VertexAttrib1fvImmediate*>(cmd_data);
+  (void)c;
   GLuint indx = static_cast<GLuint>(c.indx);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLfloat), 1, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* values =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (values == NULL) {
     return error::kOutOfBounds;
   }
   DoVertexAttrib1fv(indx, values);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleVertexAttrib2f(
     uint32_t immediate_data_size,
-    const gles2::cmds::VertexAttrib2f& c) {
+    const void* cmd_data) {
+  const gles2::cmds::VertexAttrib2f& c =
+      *static_cast<const gles2::cmds::VertexAttrib2f*>(cmd_data);
+  (void)c;
   GLuint indx = static_cast<GLuint>(c.indx);
   GLfloat x = static_cast<GLfloat>(c.x);
   GLfloat y = static_cast<GLfloat>(c.y);
   DoVertexAttrib2f(indx, x, y);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleVertexAttrib2fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::VertexAttrib2fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::VertexAttrib2fvImmediate& c =
+      *static_cast<const gles2::cmds::VertexAttrib2fvImmediate*>(cmd_data);
+  (void)c;
   GLuint indx = static_cast<GLuint>(c.indx);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLfloat), 2, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* values =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (values == NULL) {
     return error::kOutOfBounds;
   }
   DoVertexAttrib2fv(indx, values);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleVertexAttrib3f(
     uint32_t immediate_data_size,
-    const gles2::cmds::VertexAttrib3f& c) {
+    const void* cmd_data) {
+  const gles2::cmds::VertexAttrib3f& c =
+      *static_cast<const gles2::cmds::VertexAttrib3f*>(cmd_data);
+  (void)c;
   GLuint indx = static_cast<GLuint>(c.indx);
   GLfloat x = static_cast<GLfloat>(c.x);
   GLfloat y = static_cast<GLfloat>(c.y);
   GLfloat z = static_cast<GLfloat>(c.z);
   DoVertexAttrib3f(indx, x, y, z);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleVertexAttrib3fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::VertexAttrib3fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::VertexAttrib3fvImmediate& c =
+      *static_cast<const gles2::cmds::VertexAttrib3fvImmediate*>(cmd_data);
+  (void)c;
   GLuint indx = static_cast<GLuint>(c.indx);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLfloat), 3, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* values =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (values == NULL) {
     return error::kOutOfBounds;
   }
   DoVertexAttrib3fv(indx, values);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleVertexAttrib4f(
     uint32_t immediate_data_size,
-    const gles2::cmds::VertexAttrib4f& c) {
+    const void* cmd_data) {
+  const gles2::cmds::VertexAttrib4f& c =
+      *static_cast<const gles2::cmds::VertexAttrib4f*>(cmd_data);
+  (void)c;
   GLuint indx = static_cast<GLuint>(c.indx);
   GLfloat x = static_cast<GLfloat>(c.x);
   GLfloat y = static_cast<GLfloat>(c.y);
   GLfloat z = static_cast<GLfloat>(c.z);
   GLfloat w = static_cast<GLfloat>(c.w);
   DoVertexAttrib4f(indx, x, y, z, w);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleVertexAttrib4fvImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::VertexAttrib4fvImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::VertexAttrib4fvImmediate& c =
+      *static_cast<const gles2::cmds::VertexAttrib4fvImmediate*>(cmd_data);
+  (void)c;
   GLuint indx = static_cast<GLuint>(c.indx);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLfloat), 4, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLfloat* values =
       GetImmediateDataAs<const GLfloat*>(c, data_size, immediate_data_size);
   if (values == NULL) {
     return error::kOutOfBounds;
   }
   DoVertexAttrib4fv(indx, values);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleViewport(uint32_t immediate_data_size,
-                                              const gles2::cmds::Viewport& c) {
+                                              const void* cmd_data) {
+  const gles2::cmds::Viewport& c =
+      *static_cast<const gles2::cmds::Viewport*>(cmd_data);
+  (void)c;
   GLint x = static_cast<GLint>(c.x);
   GLint y = static_cast<GLint>(c.y);
   GLsizei width = static_cast<GLsizei>(c.width);
   GLsizei height = static_cast<GLsizei>(c.height);
   if (width < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glViewport", "width < 0");
     return error::kNoError;
   }
   if (height < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glViewport", "height < 0");
     return error::kNoError;
   }
   DoViewport(x, y, width, height);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleBlitFramebufferCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::BlitFramebufferCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::BlitFramebufferCHROMIUM& c =
+      *static_cast<const gles2::cmds::BlitFramebufferCHROMIUM*>(cmd_data);
+  (void)c;
   if (!features().chromium_framebuffer_multisample) {
     LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
                        "glBlitFramebufferCHROMIUM",
                        "function not available");
     return error::kNoError;
   }
 
   error::Error error;
   error = WillAccessBoundFramebufferForDraw();
   if (error != error::kNoError)
@@ skipping 16 matching lines @@
         "glBlitFramebufferCHROMIUM", filter, "filter");
     return error::kNoError;
   }
   DoBlitFramebufferCHROMIUM(
       srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleRenderbufferStorageMultisampleCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::RenderbufferStorageMultisampleCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::RenderbufferStorageMultisampleCHROMIUM& c =
+      *static_cast<const gles2::cmds::RenderbufferStorageMultisampleCHROMIUM*>(
+          cmd_data);
+  (void)c;
   if (!features().chromium_framebuffer_multisample) {
     LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
                        "glRenderbufferStorageMultisampleCHROMIUM",
                        "function not available");
     return error::kNoError;
   }
 
   GLenum target = static_cast<GLenum>(c.target);
   GLsizei samples = static_cast<GLsizei>(c.samples);
   GLenum internalformat = static_cast<GLenum>(c.internalformat);
@@ skipping 28 matching lines @@
                        "height < 0");
     return error::kNoError;
   }
   DoRenderbufferStorageMultisampleCHROMIUM(
       target, samples, internalformat, width, height);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleRenderbufferStorageMultisampleEXT(
     uint32_t immediate_data_size,
-    const gles2::cmds::RenderbufferStorageMultisampleEXT& c) {
+    const void* cmd_data) {
+  const gles2::cmds::RenderbufferStorageMultisampleEXT& c =
+      *static_cast<const gles2::cmds::RenderbufferStorageMultisampleEXT*>(
+          cmd_data);
+  (void)c;
   if (!features().multisampled_render_to_texture) {
     LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
                        "glRenderbufferStorageMultisampleEXT",
                        "function not available");
     return error::kNoError;
   }
 
   GLenum target = static_cast<GLenum>(c.target);
   GLsizei samples = static_cast<GLsizei>(c.samples);
   GLenum internalformat = static_cast<GLenum>(c.internalformat);
@@ skipping 25 matching lines @@
         GL_INVALID_VALUE, "glRenderbufferStorageMultisampleEXT", "height < 0");
     return error::kNoError;
   }
   DoRenderbufferStorageMultisampleEXT(
       target, samples, internalformat, width, height);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleFramebufferTexture2DMultisampleEXT(
     uint32_t immediate_data_size,
-    const gles2::cmds::FramebufferTexture2DMultisampleEXT& c) {
+    const void* cmd_data) {
+  const gles2::cmds::FramebufferTexture2DMultisampleEXT& c =
+      *static_cast<const gles2::cmds::FramebufferTexture2DMultisampleEXT*>(
+          cmd_data);
+  (void)c;
   if (!features().multisampled_render_to_texture) {
     LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
                        "glFramebufferTexture2DMultisampleEXT",
                        "function not available");
     return error::kNoError;
   }
 
   GLenum target = static_cast<GLenum>(c.target);
   GLenum attachment = static_cast<GLenum>(c.attachment);
   GLenum textarget = static_cast<GLenum>(c.textarget);
@@ skipping 21 matching lines @@
                        "samples < 0");
     return error::kNoError;
   }
   DoFramebufferTexture2DMultisample(
       target, attachment, textarget, texture, level, samples);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleTexStorage2DEXT(
     uint32_t immediate_data_size,
-    const gles2::cmds::TexStorage2DEXT& c) {
+    const void* cmd_data) {
+  const gles2::cmds::TexStorage2DEXT& c =
+      *static_cast<const gles2::cmds::TexStorage2DEXT*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLsizei levels = static_cast<GLsizei>(c.levels);
   GLenum internalFormat = static_cast<GLenum>(c.internalFormat);
   GLsizei width = static_cast<GLsizei>(c.width);
   GLsizei height = static_cast<GLsizei>(c.height);
   if (!validators_->texture_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glTexStorage2DEXT", target, "target");
     return error::kNoError;
   }
   if (levels < 0) {
@@ skipping 12 matching lines @@
   if (height < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glTexStorage2DEXT", "height < 0");
     return error::kNoError;
   }
   DoTexStorage2DEXT(target, levels, internalFormat, width, height);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGenQueriesEXTImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::GenQueriesEXTImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GenQueriesEXTImmediate& c =
+      *static_cast<const gles2::cmds::GenQueriesEXTImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   GLuint* queries =
       GetImmediateDataAs<GLuint*>(c, data_size, immediate_data_size);
   if (queries == NULL) {
     return error::kOutOfBounds;
   }
   if (!GenQueriesEXTHelper(n, queries)) {
     return error::kInvalidArguments;
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDeleteQueriesEXTImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::DeleteQueriesEXTImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::DeleteQueriesEXTImmediate& c =
+      *static_cast<const gles2::cmds::DeleteQueriesEXTImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   const GLuint* queries =
       GetImmediateDataAs<const GLuint*>(c, data_size, immediate_data_size);
   if (queries == NULL) {
     return error::kOutOfBounds;
   }
   DeleteQueriesEXTHelper(n, queries);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleInsertEventMarkerEXT(
     uint32_t immediate_data_size,
-    const gles2::cmds::InsertEventMarkerEXT& c) {
+    const void* cmd_data) {
+  const gles2::cmds::InsertEventMarkerEXT& c =
+      *static_cast<const gles2::cmds::InsertEventMarkerEXT*>(cmd_data);
+  (void)c;
+
   GLuint bucket_id = static_cast<GLuint>(c.bucket_id);
   Bucket* bucket = GetBucket(bucket_id);
   if (!bucket || bucket->size() == 0) {
     return error::kInvalidArguments;
   }
   std::string str;
   if (!bucket->GetAsString(&str)) {
     return error::kInvalidArguments;
   }
   DoInsertEventMarkerEXT(0, str.c_str());
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandlePushGroupMarkerEXT(
     uint32_t immediate_data_size,
-    const gles2::cmds::PushGroupMarkerEXT& c) {
+    const void* cmd_data) {
+  const gles2::cmds::PushGroupMarkerEXT& c =
+      *static_cast<const gles2::cmds::PushGroupMarkerEXT*>(cmd_data);
+  (void)c;
+
   GLuint bucket_id = static_cast<GLuint>(c.bucket_id);
   Bucket* bucket = GetBucket(bucket_id);
   if (!bucket || bucket->size() == 0) {
     return error::kInvalidArguments;
   }
   std::string str;
   if (!bucket->GetAsString(&str)) {
     return error::kInvalidArguments;
   }
   DoPushGroupMarkerEXT(0, str.c_str());
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandlePopGroupMarkerEXT(
     uint32_t immediate_data_size,
-    const gles2::cmds::PopGroupMarkerEXT& c) {
+    const void* cmd_data) {
+  const gles2::cmds::PopGroupMarkerEXT& c =
+      *static_cast<const gles2::cmds::PopGroupMarkerEXT*>(cmd_data);
+  (void)c;
   DoPopGroupMarkerEXT();
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGenVertexArraysOESImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::GenVertexArraysOESImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GenVertexArraysOESImmediate& c =
+      *static_cast<const gles2::cmds::GenVertexArraysOESImmediate*>(cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   GLuint* arrays =
       GetImmediateDataAs<GLuint*>(c, data_size, immediate_data_size);
   if (arrays == NULL) {
     return error::kOutOfBounds;
   }
   if (!GenVertexArraysOESHelper(n, arrays)) {
     return error::kInvalidArguments;
   }
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDeleteVertexArraysOESImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::DeleteVertexArraysOESImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::DeleteVertexArraysOESImmediate& c =
+      *static_cast<const gles2::cmds::DeleteVertexArraysOESImmediate*>(
+          cmd_data);
+  (void)c;
   GLsizei n = static_cast<GLsizei>(c.n);
   uint32_t data_size;
   if (!SafeMultiplyUint32(n, sizeof(GLuint), &data_size)) {
     return error::kOutOfBounds;
   }
   const GLuint* arrays =
       GetImmediateDataAs<const GLuint*>(c, data_size, immediate_data_size);
   if (arrays == NULL) {
     return error::kOutOfBounds;
   }
   DeleteVertexArraysOESHelper(n, arrays);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleIsVertexArrayOES(
     uint32_t immediate_data_size,
-    const gles2::cmds::IsVertexArrayOES& c) {
+    const void* cmd_data) {
+  const gles2::cmds::IsVertexArrayOES& c =
+      *static_cast<const gles2::cmds::IsVertexArrayOES*>(cmd_data);
+  (void)c;
   GLuint array = c.array;
   typedef cmds::IsVertexArrayOES::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   *result_dst = DoIsVertexArrayOES(array);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleBindVertexArrayOES(
     uint32_t immediate_data_size,
-    const gles2::cmds::BindVertexArrayOES& c) {
+    const void* cmd_data) {
+  const gles2::cmds::BindVertexArrayOES& c =
+      *static_cast<const gles2::cmds::BindVertexArrayOES*>(cmd_data);
+  (void)c;
   GLuint array = c.array;
   DoBindVertexArrayOES(array);
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleSwapBuffers(
-    uint32_t immediate_data_size,
-    const gles2::cmds::SwapBuffers& c) {
+error::Error GLES2DecoderImpl::HandleSwapBuffers(uint32_t immediate_data_size,
+                                                 const void* cmd_data) {
+  const gles2::cmds::SwapBuffers& c =
+      *static_cast<const gles2::cmds::SwapBuffers*>(cmd_data);
+  (void)c;
   DoSwapBuffers();
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGetMaxValueInBufferCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::GetMaxValueInBufferCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::GetMaxValueInBufferCHROMIUM& c =
+      *static_cast<const gles2::cmds::GetMaxValueInBufferCHROMIUM*>(cmd_data);
+  (void)c;
   GLuint buffer_id = c.buffer_id;
   GLsizei count = static_cast<GLsizei>(c.count);
   GLenum type = static_cast<GLenum>(c.type);
   GLuint offset = static_cast<GLuint>(c.offset);
   typedef cmds::GetMaxValueInBufferCHROMIUM::Result Result;
   Result* result_dst = GetSharedMemoryAs<Result*>(
       c.result_shm_id, c.result_shm_offset, sizeof(*result_dst));
   if (!result_dst) {
     return error::kOutOfBounds;
   }
   if (count < 0) {
     LOCAL_SET_GL_ERROR(
         GL_INVALID_VALUE, "glGetMaxValueInBufferCHROMIUM", "count < 0");
     return error::kNoError;
   }
   if (!validators_->get_max_index_type.IsValid(type)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glGetMaxValueInBufferCHROMIUM", type, "type");
     return error::kNoError;
   }
   *result_dst = DoGetMaxValueInBufferCHROMIUM(buffer_id, count, type, offset);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleTexImageIOSurface2DCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::TexImageIOSurface2DCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::TexImageIOSurface2DCHROMIUM& c =
+      *static_cast<const gles2::cmds::TexImageIOSurface2DCHROMIUM*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLsizei width = static_cast<GLsizei>(c.width);
   GLsizei height = static_cast<GLsizei>(c.height);
   GLuint ioSurfaceId = static_cast<GLuint>(c.ioSurfaceId);
   GLuint plane = static_cast<GLuint>(c.plane);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glTexImageIOSurface2DCHROMIUM", target, "target");
     return error::kNoError;
   }
   if (width < 0) {
     LOCAL_SET_GL_ERROR(
         GL_INVALID_VALUE, "glTexImageIOSurface2DCHROMIUM", "width < 0");
     return error::kNoError;
   }
   if (height < 0) {
     LOCAL_SET_GL_ERROR(
         GL_INVALID_VALUE, "glTexImageIOSurface2DCHROMIUM", "height < 0");
     return error::kNoError;
   }
   DoTexImageIOSurface2DCHROMIUM(target, width, height, ioSurfaceId, plane);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleCopyTextureCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::CopyTextureCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::CopyTextureCHROMIUM& c =
+      *static_cast<const gles2::cmds::CopyTextureCHROMIUM*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLenum source_id = static_cast<GLenum>(c.source_id);
   GLenum dest_id = static_cast<GLenum>(c.dest_id);
   GLint level = static_cast<GLint>(c.level);
   GLint internalformat = static_cast<GLint>(c.internalformat);
   GLenum dest_type = static_cast<GLenum>(c.dest_type);
   if (!validators_->texture_internal_format.IsValid(internalformat)) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE,
                        "glCopyTextureCHROMIUM",
                        "internalformat GL_INVALID_VALUE");
     return error::kNoError;
   }
   if (!validators_->pixel_type.IsValid(dest_type)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glCopyTextureCHROMIUM", dest_type, "dest_type");
     return error::kNoError;
   }
   DoCopyTextureCHROMIUM(
       target, source_id, dest_id, level, internalformat, dest_type);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleProduceTextureCHROMIUMImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::ProduceTextureCHROMIUMImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::ProduceTextureCHROMIUMImmediate& c =
+      *static_cast<const gles2::cmds::ProduceTextureCHROMIUMImmediate*>(
+          cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLbyte), 64, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLbyte* mailbox =
       GetImmediateDataAs<const GLbyte*>(c, data_size, immediate_data_size);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glProduceTextureCHROMIUM", target, "target");
     return error::kNoError;
   }
   if (mailbox == NULL) {
     return error::kOutOfBounds;
   }
   DoProduceTextureCHROMIUM(target, mailbox);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleProduceTextureDirectCHROMIUMImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::ProduceTextureDirectCHROMIUMImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::ProduceTextureDirectCHROMIUMImmediate& c =
+      *static_cast<const gles2::cmds::ProduceTextureDirectCHROMIUMImmediate*>(
+          cmd_data);
+  (void)c;
   GLuint texture = c.texture;
   GLenum target = static_cast<GLenum>(c.target);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLbyte), 64, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLbyte* mailbox =
       GetImmediateDataAs<const GLbyte*>(c, data_size, immediate_data_size);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glProduceTextureDirectCHROMIUM", target, "target");
     return error::kNoError;
   }
   if (mailbox == NULL) {
     return error::kOutOfBounds;
   }
   DoProduceTextureDirectCHROMIUM(texture, target, mailbox);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleConsumeTextureCHROMIUMImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::ConsumeTextureCHROMIUMImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::ConsumeTextureCHROMIUMImmediate& c =
+      *static_cast<const gles2::cmds::ConsumeTextureCHROMIUMImmediate*>(
+          cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLbyte), 64, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLbyte* mailbox =
       GetImmediateDataAs<const GLbyte*>(c, data_size, immediate_data_size);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glConsumeTextureCHROMIUM", target, "target");
     return error::kNoError;
   }
   if (mailbox == NULL) {
     return error::kOutOfBounds;
   }
   DoConsumeTextureCHROMIUM(target, mailbox);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleBindTexImage2DCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::BindTexImage2DCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::BindTexImage2DCHROMIUM& c =
+      *static_cast<const gles2::cmds::BindTexImage2DCHROMIUM*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLint imageId = static_cast<GLint>(c.imageId);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glBindTexImage2DCHROMIUM", target, "target");
     return error::kNoError;
   }
   DoBindTexImage2DCHROMIUM(target, imageId);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleReleaseTexImage2DCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::ReleaseTexImage2DCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::ReleaseTexImage2DCHROMIUM& c =
+      *static_cast<const gles2::cmds::ReleaseTexImage2DCHROMIUM*>(cmd_data);
+  (void)c;
   GLenum target = static_cast<GLenum>(c.target);
   GLint imageId = static_cast<GLint>(c.imageId);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glReleaseTexImage2DCHROMIUM", target, "target");
     return error::kNoError;
   }
   DoReleaseTexImage2DCHROMIUM(target, imageId);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleTraceEndCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::TraceEndCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::TraceEndCHROMIUM& c =
+      *static_cast<const gles2::cmds::TraceEndCHROMIUM*>(cmd_data);
+  (void)c;
   DoTraceEndCHROMIUM();
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDiscardFramebufferEXTImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::DiscardFramebufferEXTImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::DiscardFramebufferEXTImmediate& c =
+      *static_cast<const gles2::cmds::DiscardFramebufferEXTImmediate*>(
+          cmd_data);
+  (void)c;
   if (!features().ext_discard_framebuffer) {
     LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
                        "glDiscardFramebufferEXT",
                        "function not available");
     return error::kNoError;
   }
 
   GLenum target = static_cast<GLenum>(c.target);
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
@@ skipping 12 matching lines @@
   }
   if (attachments == NULL) {
     return error::kOutOfBounds;
   }
   DoDiscardFramebufferEXT(target, count, attachments);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleLoseContextCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::LoseContextCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::LoseContextCHROMIUM& c =
+      *static_cast<const gles2::cmds::LoseContextCHROMIUM*>(cmd_data);
+  (void)c;
   GLenum current = static_cast<GLenum>(c.current);
   GLenum other = static_cast<GLenum>(c.other);
   if (!validators_->reset_status.IsValid(current)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
         "glLoseContextCHROMIUM", current, "current");
     return error::kNoError;
   }
   if (!validators_->reset_status.IsValid(other)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glLoseContextCHROMIUM", other, "other");
     return error::kNoError;
   }
   DoLoseContextCHROMIUM(current, other);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDrawBuffersEXTImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::DrawBuffersEXTImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::DrawBuffersEXTImmediate& c =
+      *static_cast<const gles2::cmds::DrawBuffersEXTImmediate*>(cmd_data);
+  (void)c;
   GLsizei count = static_cast<GLsizei>(c.count);
   uint32_t data_size;
   if (!ComputeDataSize(count, sizeof(GLenum), 1, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
     return error::kOutOfBounds;
   }
   const GLenum* bufs =
       GetImmediateDataAs<const GLenum*>(c, data_size, immediate_data_size);
   if (count < 0) {
     LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glDrawBuffersEXT", "count < 0");
     return error::kNoError;
   }
   if (bufs == NULL) {
     return error::kOutOfBounds;
   }
   DoDrawBuffersEXT(count, bufs);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleMatrixLoadfCHROMIUMImmediate(
     uint32_t immediate_data_size,
-    const gles2::cmds::MatrixLoadfCHROMIUMImmediate& c) {
+    const void* cmd_data) {
+  const gles2::cmds::MatrixLoadfCHROMIUMImmediate& c =
+      *static_cast<const gles2::cmds::MatrixLoadfCHROMIUMImmediate*>(cmd_data);
+  (void)c;
   if (!features().chromium_path_rendering) {
     LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
                        "glMatrixLoadfCHROMIUM",
                        "function not available");
     return error::kNoError;
   }
 
   GLenum matrixMode = static_cast<GLenum>(c.matrixMode);
   uint32_t data_size;
   if (!ComputeDataSize(1, sizeof(GLfloat), 16, &data_size)) {
@@ skipping 11 matching lines @@
   }
   if (m == NULL) {
     return error::kOutOfBounds;
   }
   DoMatrixLoadfCHROMIUM(matrixMode, m);
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleMatrixLoadIdentityCHROMIUM(
     uint32_t immediate_data_size,
-    const gles2::cmds::MatrixLoadIdentityCHROMIUM& c) {
+    const void* cmd_data) {
+  const gles2::cmds::MatrixLoadIdentityCHROMIUM& c =
+      *static_cast<const gles2::cmds::MatrixLoadIdentityCHROMIUM*>(cmd_data);
+  (void)c;
   if (!features().chromium_path_rendering) {
     LOCAL_SET_GL_ERROR(GL_INVALID_OPERATION,
                        "glMatrixLoadIdentityCHROMIUM",
                        "function not available");
     return error::kNoError;
   }
 
   GLenum matrixMode = static_cast<GLenum>(c.matrixMode);
   if (!validators_->matrix_mode.IsValid(matrixMode)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM(
@@ skipping 75 matching lines @@
           state_.ignore_cached_state) {
         framebuffer_state_.clear_state_dirty = true;
       }
       return false;
     default:
       NOTREACHED();
       return false;
   }
 }
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_AUTOGEN_H_