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Diffstat (limited to 'gpu/command_buffer/service/framebuffer_manager.h')
-rw-r--r-- | gpu/command_buffer/service/framebuffer_manager.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/gpu/command_buffer/service/framebuffer_manager.h b/gpu/command_buffer/service/framebuffer_manager.h new file mode 100644 index 0000000..f923f9f --- /dev/null +++ b/gpu/command_buffer/service/framebuffer_manager.h @@ -0,0 +1,90 @@ +// 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_ + + |