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 #include "gpu/command_buffer/service/query_manager.h"
   9
  10 namespace gpu {
  11
  12 GLStateRestorerImpl::GLStateRestorerImpl(
  13     base::WeakPtr<gles2::GLES2Decoder> decoder)
  14     : decoder_(decoder) {
  15 }
  16
  17 GLStateRestorerImpl::~GLStateRestorerImpl() {
  18 }
  19
  20 bool GLStateRestorerImpl::IsInitialized() {
  21   DCHECK(decoder_.get());
  22   return decoder_->initialized();
  23 }
  24
  25 void GLStateRestorerImpl::RestoreState(const gfx::GLStateRestorer* prev_state) {
  26   DCHECK(decoder_.get());
  27   const GLStateRestorerImpl* restorer_impl =
  28       static_cast<const GLStateRestorerImpl*>(prev_state);
  29
  30   decoder_->RestoreState(
  31       restorer_impl ? restorer_impl->GetContextState() : NULL);
  32 }
  33
  34 void GLStateRestorerImpl::RestoreAllTextureUnitBindings() {
  35   DCHECK(decoder_.get());
  36   decoder_->RestoreAllTextureUnitBindings(NULL);
  37 }
  38
  39 void GLStateRestorerImpl::RestoreActiveTextureUnitBinding(unsigned int target) {
  40   DCHECK(decoder_.get());
  41   decoder_->RestoreActiveTextureUnitBinding(target);
  42 }
  43
  44 void GLStateRestorerImpl::RestoreFramebufferBindings() {
  45   DCHECK(decoder_.get());
  46   decoder_->RestoreFramebufferBindings();
  47 }
  48
  49 void GLStateRestorerImpl::PauseQueries() {
  50   DCHECK(decoder_.get());
  51   decoder_->GetQueryManager()->PauseQueries();
  52 }
  53
  54 void GLStateRestorerImpl::ResumeQueries() {
  55   DCHECK(decoder_.get());
  56   decoder_->GetQueryManager()->ResumeQueries();
  57 }
  58
  59 const gles2::ContextState* GLStateRestorerImpl::GetContextState() const {
  60   DCHECK(decoder_.get());
  61   return decoder_->GetContextState();
  62 }
  63
  64 }  // namespace gpu