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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/framebuffer_manager.h"
#include "base/logging.h"
#include "gpu/command_buffer/common/gles2_cmd_utils.h"
namespace gpu {
namespace gles2 {
FramebufferManager::~FramebufferManager() {
DCHECK(framebuffer_infos_.empty());
}
void FramebufferManager::Destroy(bool have_context) {
while (!framebuffer_infos_.empty()) {
if (have_context) {
FramebufferInfo* info = framebuffer_infos_.begin()->second;
if (!info->IsDeleted()) {
GLuint service_id = info->service_id();
glDeleteFramebuffersEXT(1, &service_id);
info->MarkAsDeleted();
}
}
framebuffer_infos_.erase(framebuffer_infos_.begin());
}
}
void FramebufferManager::CreateFramebufferInfo(
GLuint client_id, GLuint service_id) {
std::pair<FramebufferInfoMap::iterator, bool> result =
framebuffer_infos_.insert(
std::make_pair(
client_id,
FramebufferInfo::Ref(new FramebufferInfo(service_id))));
DCHECK(result.second);
}
FramebufferManager::FramebufferInfo* FramebufferManager::GetFramebufferInfo(
GLuint client_id) {
FramebufferInfoMap::iterator it = framebuffer_infos_.find(client_id);
return it != framebuffer_infos_.end() ? it->second : NULL;
}
void FramebufferManager::RemoveFramebufferInfo(GLuint client_id) {
FramebufferInfoMap::iterator it = framebuffer_infos_.find(client_id);
if (it != framebuffer_infos_.end()) {
it->second->MarkAsDeleted();
framebuffer_infos_.erase(it);
}
}
void FramebufferManager::FramebufferInfo::AttachRenderbuffer(
GLenum attachment, RenderbufferManager::RenderbufferInfo* renderbuffer) {
DCHECK(attachment == GL_COLOR_ATTACHMENT0 ||
attachment == GL_DEPTH_ATTACHMENT ||
attachment == GL_STENCIL_ATTACHMENT);
if (renderbuffer) {
renderbuffers_[attachment] =
RenderbufferManager::RenderbufferInfo::Ref(renderbuffer);
} else {
renderbuffers_.erase(attachment);
}
}
bool FramebufferManager::GetClientId(
GLuint service_id, GLuint* client_id) const {
// This doesn't need to be fast. It's only used during slow queries.
for (FramebufferInfoMap::const_iterator it = framebuffer_infos_.begin();
it != framebuffer_infos_.end(); ++it) {
if (it->second->service_id() == service_id) {
*client_id = it->first;
return true;
}
}
return false;
}
} // namespace gles2
} // namespace gpu
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