| // |
| // 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/main.h" |
| #include "libGLESv2/renderer/TextureStorage.h" |
| #include "libGLESv2/renderer/SwapChain.h" |
| #include "libGLESv2/renderer/Blit.h" |
| #include "libGLESv2/renderer/RenderTarget.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); |
| } |
| |
| } |