gpu/command_buffer/service/gl_state_restorer_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "gpu/command_buffer/service/gl_state_restorer_impl.h"
   6
   7 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
   8
   9 namespace gpu {
  10
  11 GLStateRestorerImpl::GLStateRestorerImpl(
  12     base::WeakPtr<gles2::GLES2Decoder> decoder)
  13     : decoder_(decoder) {
  14 }
  15
  16 GLStateRestorerImpl::~GLStateRestorerImpl() {
  17 }
  18
  19 bool GLStateRestorerImpl::IsInitialized() {
  20   DCHECK(decoder_.get());
  21   return decoder_->initialized();
  22 }
  23
  24 void GLStateRestorerImpl::RestoreState(const gfx::GLStateRestorer* prev_state) {
  25   DCHECK(decoder_.get());
  26   const GLStateRestorerImpl* restorer_impl =
  27       static_cast<const GLStateRestorerImpl*>(prev_state);
  28   decoder_->RestoreState(
  29       restorer_impl ? restorer_impl->GetContextState() : NULL);
  30 }
  31
  32 void GLStateRestorerImpl::RestoreAllTextureUnitBindings() {
  33   DCHECK(decoder_.get());
  34   decoder_->RestoreAllTextureUnitBindings(NULL);
  35 }
  36
  37 void GLStateRestorerImpl::RestoreActiveTextureUnitBinding(unsigned int target) {
  38   DCHECK(decoder_.get());
  39   decoder_->RestoreActiveTextureUnitBinding(target);
  40 }
  41
  42 void GLStateRestorerImpl::RestoreFramebufferBindings() {
  43   DCHECK(decoder_.get());
  44   decoder_->RestoreFramebufferBindings();
  45 }
  46
  47 const gles2::ContextState* GLStateRestorerImpl::GetContextState() const {
  48   DCHECK(decoder_.get());
  49   return decoder_->GetContextState();
  50 }
  51
  52 }  // namespace gpu