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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.
+
+#ifndef GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_
+#define GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_
+
+#include <map>
+#include "base/basictypes.h"
+#include "base/logging.h"
+#include "base/ref_counted.h"
+#include "base/scoped_ptr.h"
+#include "gpu/command_buffer/service/gl_utils.h"
+#include "gpu/command_buffer/service/renderbuffer_manager.h"
+
+namespace gpu {
+namespace gles2 {
+
+// This class keeps track of the frambebuffers and their attached renderbuffers
+// so we can correctly clear them.
+class FramebufferManager {
+ public:
+ // Info about Framebuffers currently in the system.
+ class FramebufferInfo : public base::RefCounted<FramebufferInfo> {
+ public:
+ typedef scoped_refptr<FramebufferInfo> Ref;
+
+ explicit FramebufferInfo(GLuint framebuffer_id)
+ : framebuffer_id_(framebuffer_id) {
+ }
+
+ GLuint framebuffer_id() const {
+ return framebuffer_id_;
+ }
+
+ // Attaches a renderbuffer to a particlar attachment.
+ // Pass null to detach.
+ void AttachRenderbuffer(
+ GLenum attachment, RenderbufferManager::RenderbufferInfo* renderbuffer);
+
+ bool IsDeleted() {
+ return framebuffer_id_ == 0;
+ }
+
+ private:
+ friend class FramebufferManager;
+ friend class base::RefCounted<FramebufferInfo>;
+
+ ~FramebufferInfo() { }
+
+ void MarkAsDeleted() {
+ framebuffer_id_ = 0;
+ renderbuffers_.clear();
+ }
+
+ // Service side framebuffer id.
+ GLuint framebuffer_id_;
+
+ // A map of attachments to renderbuffers.
+ typedef std::map<GLenum, RenderbufferManager::RenderbufferInfo::Ref>
+ AttachmentToRenderbufferMap;
+ AttachmentToRenderbufferMap renderbuffers_;
+ };
+
+ FramebufferManager() { }
+
+ // Creates a FramebufferInfo for the given framebuffer.
+ void CreateFramebufferInfo(GLuint framebuffer_id);
+
+ // Gets the framebuffer info for the given framebuffer.
+ FramebufferInfo* GetFramebufferInfo(GLuint framebuffer_id);
+
+ // Removes a framebuffer info for the given framebuffer.
+ void RemoveFramebufferInfo(GLuint framebuffer_id);
+
+ private:
+ // Info for each framebuffer in the system.
+ // TODO(gman): Choose a faster container.
+ typedef std::map<GLuint, FramebufferInfo::Ref> FramebufferInfoMap;
+ FramebufferInfoMap framebuffer_infos_;
+
+ DISALLOW_COPY_AND_ASSIGN(FramebufferManager);
+};
+
+} // namespace gles2
+} // namespace gpu
+
+#endif // GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_
+
+