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//
// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Renderbuffer.h: Defines the renderer-agnostic container class gl::Renderbuffer.
// Implements GL renderbuffer objects and related functionality.
// [OpenGL ES 2.0.24] section 4.4.3 page 108.
#ifndef LIBANGLE_RENDERBUFFER_H_
#define LIBANGLE_RENDERBUFFER_H_
#include "angle_gl.h"
#include "common/angleutils.h"
#include "libANGLE/Debug.h"
#include "libANGLE/Error.h"
#include "libANGLE/FramebufferAttachment.h"
#include "libANGLE/Image.h"
#include "libANGLE/renderer/RenderbufferImpl.h"
namespace gl
{
// A GL renderbuffer object is usually used as a depth or stencil buffer attachment
// for a framebuffer object. The renderbuffer itself is a distinct GL object, see
// FramebufferAttachment and Framebuffer for how they are applied to an FBO via an
// attachment point.
class Renderbuffer final : public egl::ImageSibling,
public gl::FramebufferAttachmentObject,
public LabeledObject
{
public:
Renderbuffer(rx::RenderbufferImpl *impl, GLuint id);
virtual ~Renderbuffer();
void setLabel(const std::string &label) override;
const std::string &getLabel() const override;
Error setStorage(GLenum internalformat, size_t width, size_t height);
Error setStorageMultisample(size_t samples, GLenum internalformat, size_t width, size_t height);
Error setStorageEGLImageTarget(egl::Image *imageTarget);
rx::RenderbufferImpl *getImplementation();
const rx::RenderbufferImpl *getImplementation() const;
GLsizei getWidth() const;
GLsizei getHeight() const;
GLenum getInternalFormat() const;
GLsizei getSamples() const;
GLuint getRedSize() const;
GLuint getGreenSize() const;
GLuint getBlueSize() const;
GLuint getAlphaSize() const;
GLuint getDepthSize() const;
GLuint getStencilSize() const;
// FramebufferAttachmentObject Impl
Extents getAttachmentSize(const FramebufferAttachment::Target &target) const override;
GLenum getAttachmentInternalFormat(const FramebufferAttachment::Target &/*target*/) const override { return getInternalFormat(); }
GLsizei getAttachmentSamples(const FramebufferAttachment::Target &/*target*/) const override { return getSamples(); }
void onAttach() override;
void onDetach() override;
GLuint getId() const override;
private:
rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const override { return mRenderbuffer; }
rx::RenderbufferImpl *mRenderbuffer;
std::string mLabel;
GLsizei mWidth;
GLsizei mHeight;
GLenum mInternalFormat;
GLsizei mSamples;
};
}
#endif // LIBANGLE_RENDERBUFFER_H_
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