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#include "precompiled.h"
//
// 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.
//
// TextureStorage.cpp: Implements the abstract rx::TextureStorageInterface class and its concrete derived
// classes TextureStorageInterface2D and TextureStorageInterfaceCube, which act as the interface to the
// GPU-side texture.
#include "libGLESv2/renderer/TextureStorage.h"
#include "libGLESv2/renderer/Renderer.h"
#include "libGLESv2/Renderbuffer.h"
#include "libGLESv2/Texture.h"
#include "common/debug.h"
namespace rx
{
unsigned int TextureStorageInterface::mCurrentTextureSerial = 1;
TextureStorageInterface::TextureStorageInterface()
: mTextureSerial(issueTextureSerial()),
mInstance(NULL)
{
}
TextureStorageInterface::~TextureStorageInterface()
{
delete mInstance;
}
bool TextureStorageInterface::isRenderTarget() const
{
return mInstance->isRenderTarget();
}
bool TextureStorageInterface::isManaged() const
{
return mInstance->isManaged();
}
unsigned int TextureStorageInterface::getTextureSerial() const
{
return mTextureSerial;
}
unsigned int TextureStorageInterface::issueTextureSerial()
{
return mCurrentTextureSerial++;
}
int TextureStorageInterface::getLodOffset() const
{
return mInstance->getLodOffset();
}
int TextureStorageInterface::levelCount()
{
return mInstance->levelCount();
}
TextureStorageInterface2D::TextureStorageInterface2D(Renderer *renderer, SwapChain *swapchain)
: mRenderTargetSerial(gl::RenderbufferStorage::issueSerial())
{
mInstance = renderer->createTextureStorage2D(swapchain);
}
TextureStorageInterface2D::TextureStorageInterface2D(Renderer *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height)
: mRenderTargetSerial(gl::RenderbufferStorage::issueSerial())
{
mInstance = renderer->createTextureStorage2D(levels, internalformat, usage, forceRenderable, width, height);
}
TextureStorageInterface2D::~TextureStorageInterface2D()
{
}
RenderTarget *TextureStorageInterface2D::getRenderTarget() const
{
return mInstance->getRenderTarget();
}
void TextureStorageInterface2D::generateMipmap(int level)
{
mInstance->generateMipmap(level);
}
unsigned int TextureStorageInterface2D::getRenderTargetSerial(GLenum target) const
{
return mRenderTargetSerial;
}
TextureStorageInterfaceCube::TextureStorageInterfaceCube(Renderer *renderer, int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size)
: mFirstRenderTargetSerial(gl::RenderbufferStorage::issueCubeSerials())
{
mInstance = renderer->createTextureStorageCube(levels, internalformat, usage, forceRenderable, size);
}
TextureStorageInterfaceCube::~TextureStorageInterfaceCube()
{
}
RenderTarget *TextureStorageInterfaceCube::getRenderTarget(GLenum faceTarget) const
{
return mInstance->getRenderTarget(faceTarget);
}
void TextureStorageInterfaceCube::generateMipmap(int face, int level)
{
mInstance->generateMipmap(face, level);
}
unsigned int TextureStorageInterfaceCube::getRenderTargetSerial(GLenum target) const
{
return mFirstRenderTargetSerial + gl::TextureCubeMap::faceIndex(target);
}
}
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