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//
// Copyright (c) 2002-2012 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.cpp: Implements the renderer-agnostic gl::Renderbuffer class,
// GL renderbuffer objects and related functionality.
// [OpenGL ES 2.0.24] section 4.4.3 page 108.
#include "libANGLE/Renderbuffer.h"
#include "common/utilities.h"
#include "libANGLE/FramebufferAttachment.h"
#include "libANGLE/Image.h"
#include "libANGLE/Texture.h"
#include "libANGLE/formatutils.h"
#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
namespace gl
{
Renderbuffer::Renderbuffer(rx::RenderbufferImpl *impl, GLuint id)
: egl::ImageSibling(id),
mRenderbuffer(impl),
mLabel(),
mWidth(0),
mHeight(0),
mInternalFormat(GL_RGBA4),
mSamples(0)
{
}
Renderbuffer::~Renderbuffer()
{
SafeDelete(mRenderbuffer);
}
void Renderbuffer::setLabel(const std::string &label)
{
mLabel = label;
}
const std::string &Renderbuffer::getLabel() const
{
return mLabel;
}
Error Renderbuffer::setStorage(GLenum internalformat, size_t width, size_t height)
{
orphanImages();
Error error = mRenderbuffer->setStorage(internalformat, width, height);
if (error.isError())
{
return error;
}
mWidth = static_cast<GLsizei>(width);
mHeight = static_cast<GLsizei>(height);
mInternalFormat = internalformat;
mSamples = 0;
return Error(GL_NO_ERROR);
}
Error Renderbuffer::setStorageMultisample(size_t samples, GLenum internalformat, size_t width, size_t height)
{
orphanImages();
Error error = mRenderbuffer->setStorageMultisample(samples, internalformat, width, height);
if (error.isError())
{
return error;
}
mWidth = static_cast<GLsizei>(width);
mHeight = static_cast<GLsizei>(height);
mInternalFormat = internalformat;
mSamples = static_cast<GLsizei>(samples);
return Error(GL_NO_ERROR);
}
Error Renderbuffer::setStorageEGLImageTarget(egl::Image *image)
{
orphanImages();
Error error = mRenderbuffer->setStorageEGLImageTarget(image);
if (error.isError())
{
return error;
}
setTargetImage(image);
mWidth = static_cast<GLsizei>(image->getWidth());
mHeight = static_cast<GLsizei>(image->getHeight());
mInternalFormat = image->getInternalFormat();
mSamples = 0;
return Error(GL_NO_ERROR);
}
rx::RenderbufferImpl *Renderbuffer::getImplementation()
{
ASSERT(mRenderbuffer);
return mRenderbuffer;
}
const rx::RenderbufferImpl *Renderbuffer::getImplementation() const
{
return mRenderbuffer;
}
GLsizei Renderbuffer::getWidth() const
{
return mWidth;
}
GLsizei Renderbuffer::getHeight() const
{
return mHeight;
}
GLenum Renderbuffer::getInternalFormat() const
{
return mInternalFormat;
}
GLsizei Renderbuffer::getSamples() const
{
return mSamples;
}
GLuint Renderbuffer::getRedSize() const
{
return GetInternalFormatInfo(mInternalFormat).redBits;
}
GLuint Renderbuffer::getGreenSize() const
{
return GetInternalFormatInfo(mInternalFormat).greenBits;
}
GLuint Renderbuffer::getBlueSize() const
{
return GetInternalFormatInfo(mInternalFormat).blueBits;
}
GLuint Renderbuffer::getAlphaSize() const
{
return GetInternalFormatInfo(mInternalFormat).alphaBits;
}
GLuint Renderbuffer::getDepthSize() const
{
return GetInternalFormatInfo(mInternalFormat).depthBits;
}
GLuint Renderbuffer::getStencilSize() const
{
return GetInternalFormatInfo(mInternalFormat).stencilBits;
}
void Renderbuffer::onAttach()
{
addRef();
}
void Renderbuffer::onDetach()
{
release();
}
GLuint Renderbuffer::getId() const
{
return id();
}
Extents Renderbuffer::getAttachmentSize(const FramebufferAttachment::Target & /*target*/) const
{
return Extents(mWidth, mHeight, 1);
}
}
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