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//
// Copyright (c) 2014 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.
//
// FramebufferAttachment.cpp: the gl::FramebufferAttachment class and its derived classes
// objects and related functionality. [OpenGL ES 2.0.24] section 4.4.3 page 108.
#include "libGLESv2/FramebufferAttachment.h"
#include "libGLESv2/Texture.h"
#include "libGLESv2/formatutils.h"
#include "libGLESv2/Renderbuffer.h"
#include "libGLESv2/renderer/RenderTarget.h"
#include "libGLESv2/renderer/Renderer.h"
#include "libGLESv2/renderer/d3d/TextureStorage.h"
#include "common/utilities.h"
namespace gl
{
////// FramebufferAttachment Implementation //////
FramebufferAttachment::FramebufferAttachment(GLenum binding)
: mBinding(binding)
{
}
FramebufferAttachment::~FramebufferAttachment()
{
}
GLuint FramebufferAttachment::getRedSize() const
{
return (GetInternalFormatInfo(getInternalFormat()).redBits > 0) ? GetInternalFormatInfo(getActualFormat()).redBits : 0;
}
GLuint FramebufferAttachment::getGreenSize() const
{
return (GetInternalFormatInfo(getInternalFormat()).greenBits > 0) ? GetInternalFormatInfo(getActualFormat()).greenBits : 0;
}
GLuint FramebufferAttachment::getBlueSize() const
{
return (GetInternalFormatInfo(getInternalFormat()).blueBits > 0) ? GetInternalFormatInfo(getActualFormat()).blueBits : 0;
}
GLuint FramebufferAttachment::getAlphaSize() const
{
return (GetInternalFormatInfo(getInternalFormat()).alphaBits > 0) ? GetInternalFormatInfo(getActualFormat()).alphaBits : 0;
}
GLuint FramebufferAttachment::getDepthSize() const
{
return (GetInternalFormatInfo(getInternalFormat()).depthBits > 0) ? GetInternalFormatInfo(getActualFormat()).depthBits : 0;
}
GLuint FramebufferAttachment::getStencilSize() const
{
return (GetInternalFormatInfo(getInternalFormat()).stencilBits > 0) ? GetInternalFormatInfo(getActualFormat()).stencilBits : 0;
}
GLenum FramebufferAttachment::getComponentType() const
{
return GetInternalFormatInfo(getActualFormat()).componentType;
}
GLenum FramebufferAttachment::getColorEncoding() const
{
return GetInternalFormatInfo(getActualFormat()).colorEncoding;
}
bool FramebufferAttachment::isTexture() const
{
return (type() != GL_RENDERBUFFER);
}
///// TextureAttachment Implementation ////////
TextureAttachment::TextureAttachment(GLenum binding, Texture *texture, const ImageIndex &index)
: FramebufferAttachment(binding),
mIndex(index)
{
mTexture.set(texture);
}
TextureAttachment::~TextureAttachment()
{
mTexture.set(NULL);
}
GLsizei TextureAttachment::getSamples() const
{
return 0;
}
GLuint TextureAttachment::id() const
{
return mTexture->id();
}
GLsizei TextureAttachment::getWidth() const
{
return mTexture->getWidth(mIndex);
}
GLsizei TextureAttachment::getHeight() const
{
return mTexture->getHeight(mIndex);
}
GLenum TextureAttachment::getInternalFormat() const
{
return mTexture->getInternalFormat(mIndex);
}
GLenum TextureAttachment::getActualFormat() const
{
return mTexture->getActualFormat(mIndex);
}
GLenum TextureAttachment::type() const
{
return mIndex.type;
}
GLint TextureAttachment::mipLevel() const
{
return mIndex.mipIndex;
}
GLint TextureAttachment::layer() const
{
return mIndex.layerIndex;
}
Texture *TextureAttachment::getTexture()
{
return mTexture.get();
}
const ImageIndex *TextureAttachment::getTextureImageIndex() const
{
return &mIndex;
}
Renderbuffer *TextureAttachment::getRenderbuffer()
{
UNREACHABLE();
return NULL;
}
////// RenderbufferAttachment Implementation //////
RenderbufferAttachment::RenderbufferAttachment(GLenum binding, Renderbuffer *renderbuffer)
: FramebufferAttachment(binding)
{
ASSERT(renderbuffer);
mRenderbuffer.set(renderbuffer);
}
RenderbufferAttachment::~RenderbufferAttachment()
{
mRenderbuffer.set(NULL);
}
GLsizei RenderbufferAttachment::getWidth() const
{
return mRenderbuffer->getWidth();
}
GLsizei RenderbufferAttachment::getHeight() const
{
return mRenderbuffer->getHeight();
}
GLenum RenderbufferAttachment::getInternalFormat() const
{
return mRenderbuffer->getInternalFormat();
}
GLenum RenderbufferAttachment::getActualFormat() const
{
return mRenderbuffer->getActualFormat();
}
GLsizei RenderbufferAttachment::getSamples() const
{
return mRenderbuffer->getStorage()->getSamples();
}
GLuint RenderbufferAttachment::id() const
{
return mRenderbuffer->id();
}
GLenum RenderbufferAttachment::type() const
{
return GL_RENDERBUFFER;
}
GLint RenderbufferAttachment::mipLevel() const
{
return 0;
}
GLint RenderbufferAttachment::layer() const
{
return 0;
}
Texture *RenderbufferAttachment::getTexture()
{
UNREACHABLE();
return NULL;
}
const ImageIndex *RenderbufferAttachment::getTextureImageIndex() const
{
UNREACHABLE();
return NULL;
}
Renderbuffer *RenderbufferAttachment::getRenderbuffer()
{
return mRenderbuffer.get();
}
}
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