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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),
mFormat(GL_RGBA4),
mSamples(0),
mInitState(InitState::MayNeedInit)
{
}
Error Renderbuffer::onDestroy(const Context *context)
{
ANGLE_TRY(orphanImages(context));
if (mRenderbuffer)
{
ANGLE_TRY(mRenderbuffer->onDestroy(context));
}
return NoError();
}
Renderbuffer::~Renderbuffer()
{
SafeDelete(mRenderbuffer);
}
void Renderbuffer::setLabel(const std::string &label)
{
mLabel = label;
}
const std::string &Renderbuffer::getLabel() const
{
return mLabel;
}
Error Renderbuffer::setStorage(const Context *context,
GLenum internalformat,
size_t width,
size_t height)
{
ANGLE_TRY(orphanImages(context));
ANGLE_TRY(mRenderbuffer->setStorage(context, internalformat, width, height));
mWidth = static_cast<GLsizei>(width);
mHeight = static_cast<GLsizei>(height);
mFormat = Format(internalformat);
mSamples = 0;
mInitState = InitState::MayNeedInit;
mDirtyChannel.signal(mInitState);
return NoError();
}
Error Renderbuffer::setStorageMultisample(const Context *context,
size_t samples,
GLenum internalformat,
size_t width,
size_t height)
{
ANGLE_TRY(orphanImages(context));
ANGLE_TRY(
mRenderbuffer->setStorageMultisample(context, samples, internalformat, width, height));
mWidth = static_cast<GLsizei>(width);
mHeight = static_cast<GLsizei>(height);
mFormat = Format(internalformat);
mSamples = static_cast<GLsizei>(samples);
mInitState = InitState::MayNeedInit;
mDirtyChannel.signal(mInitState);
return NoError();
}
Error Renderbuffer::setStorageEGLImageTarget(const Context *context, egl::Image *image)
{
ANGLE_TRY(orphanImages(context));
ANGLE_TRY(mRenderbuffer->setStorageEGLImageTarget(context, image));
setTargetImage(context, image);
mWidth = static_cast<GLsizei>(image->getWidth());
mHeight = static_cast<GLsizei>(image->getHeight());
mFormat = Format(image->getFormat());
mSamples = 0;
mInitState = image->sourceInitState();
mDirtyChannel.signal(mInitState);
return NoError();
}
rx::RenderbufferImpl *Renderbuffer::getImplementation() const
{
ASSERT(mRenderbuffer);
return mRenderbuffer;
}
GLsizei Renderbuffer::getWidth() const
{
return mWidth;
}
GLsizei Renderbuffer::getHeight() const
{
return mHeight;
}
const Format &Renderbuffer::getFormat() const
{
return mFormat;
}
GLsizei Renderbuffer::getSamples() const
{
return mSamples;
}
GLuint Renderbuffer::getRedSize() const
{
return mFormat.info->redBits;
}
GLuint Renderbuffer::getGreenSize() const
{
return mFormat.info->greenBits;
}
GLuint Renderbuffer::getBlueSize() const
{
return mFormat.info->blueBits;
}
GLuint Renderbuffer::getAlphaSize() const
{
return mFormat.info->alphaBits;
}
GLuint Renderbuffer::getDepthSize() const
{
return mFormat.info->depthBits;
}
GLuint Renderbuffer::getStencilSize() const
{
return mFormat.info->stencilBits;
}
void Renderbuffer::onAttach(const Context *context)
{
addRef();
}
void Renderbuffer::onDetach(const Context *context)
{
release(context);
}
GLuint Renderbuffer::getId() const
{
return id();
}
Extents Renderbuffer::getAttachmentSize(const gl::ImageIndex & /*imageIndex*/) const
{
return Extents(mWidth, mHeight, 1);
}
const Format &Renderbuffer::getAttachmentFormat(GLenum /*binding*/,
const ImageIndex & /*imageIndex*/) const
{
return getFormat();
}
GLsizei Renderbuffer::getAttachmentSamples(const ImageIndex & /*imageIndex*/) const
{
return getSamples();
}
InitState Renderbuffer::initState(const gl::ImageIndex & /*imageIndex*/) const
{
if (isEGLImageTarget())
{
return sourceEGLImageInitState();
}
return mInitState;
}
void Renderbuffer::setInitState(const gl::ImageIndex & /*imageIndex*/, InitState initState)
{
if (isEGLImageTarget())
{
setSourceEGLImageInitState(initState);
}
else
{
mInitState = initState;
}
}
rx::FramebufferAttachmentObjectImpl *Renderbuffer::getAttachmentImpl() const
{
return mRenderbuffer;
}
} // namespace gl
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