diff options
Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.cpp | 2676 |
1 files changed, 2676 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.cpp new file mode 100644 index 0000000000..103e90fed3 --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/TextureStorage11.cpp @@ -0,0 +1,2676 @@ +// +// Copyright (c) 2012-2014 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. +// + +// TextureStorage11.cpp: Implements the abstract rx::TextureStorage11 class and its concrete derived +// classes TextureStorage11_2D and TextureStorage11_Cube, which act as the interface to the D3D11 texture. + +#include "libANGLE/renderer/d3d/d3d11/TextureStorage11.h" + +#include <tuple> + +#include "common/MemoryBuffer.h" +#include "common/utilities.h" +#include "libANGLE/ImageIndex.h" +#include "libANGLE/formatutils.h" +#include "libANGLE/renderer/d3d/TextureD3D.h" +#include "libANGLE/renderer/d3d/d3d11/Blit11.h" +#include "libANGLE/renderer/d3d/d3d11/Image11.h" +#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h" +#include "libANGLE/renderer/d3d/d3d11/Renderer11.h" +#include "libANGLE/renderer/d3d/d3d11/SwapChain11.h" +#include "libANGLE/renderer/d3d/d3d11/formatutils11.h" +#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h" + +namespace rx +{ + +TextureStorage11::SwizzleCacheValue::SwizzleCacheValue() + : swizzleRed(GL_NONE), swizzleGreen(GL_NONE), swizzleBlue(GL_NONE), swizzleAlpha(GL_NONE) +{ +} + +TextureStorage11::SwizzleCacheValue::SwizzleCacheValue(GLenum red, GLenum green, GLenum blue, GLenum alpha) + : swizzleRed(red), swizzleGreen(green), swizzleBlue(blue), swizzleAlpha(alpha) +{ +} + +bool TextureStorage11::SwizzleCacheValue::operator==(const SwizzleCacheValue &other) const +{ + return swizzleRed == other.swizzleRed && + swizzleGreen == other.swizzleGreen && + swizzleBlue == other.swizzleBlue && + swizzleAlpha == other.swizzleAlpha; +} + +bool TextureStorage11::SwizzleCacheValue::operator!=(const SwizzleCacheValue &other) const +{ + return !(*this == other); +} + +TextureStorage11::SRVKey::SRVKey(int baseLevel, int mipLevels, bool swizzle) + : baseLevel(baseLevel), mipLevels(mipLevels), swizzle(swizzle) +{ +} + +bool TextureStorage11::SRVKey::operator<(const SRVKey &rhs) const +{ + return std::tie(baseLevel, mipLevels, swizzle) < std::tie(rhs.baseLevel, rhs.mipLevels, rhs.swizzle); +} + +TextureStorage11::TextureStorage11(Renderer11 *renderer, UINT bindFlags) + : mBindFlags(bindFlags), + mTopLevel(0), + mMipLevels(0), + mInternalFormat(GL_NONE), + mTextureFormat(DXGI_FORMAT_UNKNOWN), + mShaderResourceFormat(DXGI_FORMAT_UNKNOWN), + mRenderTargetFormat(DXGI_FORMAT_UNKNOWN), + mDepthStencilFormat(DXGI_FORMAT_UNKNOWN), + mTextureWidth(0), + mTextureHeight(0), + mTextureDepth(0) +{ + mRenderer = Renderer11::makeRenderer11(renderer); + + for (unsigned int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++) + { + mLevelSRVs[i] = NULL; + } +} + +TextureStorage11::~TextureStorage11() +{ + for (unsigned int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++) + { + SafeRelease(mLevelSRVs[level]); + } + + for (SRVCache::iterator i = mSrvCache.begin(); i != mSrvCache.end(); i++) + { + SafeRelease(i->second); + } + mSrvCache.clear(); +} + +TextureStorage11 *TextureStorage11::makeTextureStorage11(TextureStorage *storage) +{ + ASSERT(HAS_DYNAMIC_TYPE(TextureStorage11*, storage)); + return static_cast<TextureStorage11*>(storage); +} + +DWORD TextureStorage11::GetTextureBindFlags(GLenum internalFormat, D3D_FEATURE_LEVEL featureLevel, bool renderTarget) +{ + UINT bindFlags = 0; + + const d3d11::TextureFormat &formatInfo = d3d11::GetTextureFormatInfo(internalFormat, featureLevel); + if (formatInfo.srvFormat != DXGI_FORMAT_UNKNOWN) + { + bindFlags |= D3D11_BIND_SHADER_RESOURCE; + } + if (formatInfo.dsvFormat != DXGI_FORMAT_UNKNOWN) + { + bindFlags |= D3D11_BIND_DEPTH_STENCIL; + } + if (formatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN && renderTarget) + { + bindFlags |= D3D11_BIND_RENDER_TARGET; + } + + return bindFlags; +} + +UINT TextureStorage11::getBindFlags() const +{ + return mBindFlags; +} + +int TextureStorage11::getTopLevel() const +{ + return mTopLevel; +} + +bool TextureStorage11::isRenderTarget() const +{ + return (mBindFlags & (D3D11_BIND_RENDER_TARGET | D3D11_BIND_DEPTH_STENCIL)) != 0; +} + +bool TextureStorage11::isManaged() const +{ + return false; +} + +int TextureStorage11::getLevelCount() const +{ + return mMipLevels - mTopLevel; +} + +int TextureStorage11::getLevelWidth(int mipLevel) const +{ + return std::max(static_cast<int>(mTextureWidth) >> mipLevel, 1); +} + +int TextureStorage11::getLevelHeight(int mipLevel) const +{ + return std::max(static_cast<int>(mTextureHeight) >> mipLevel, 1); +} + +int TextureStorage11::getLevelDepth(int mipLevel) const +{ + return std::max(static_cast<int>(mTextureDepth) >> mipLevel, 1); +} + +UINT TextureStorage11::getSubresourceIndex(const gl::ImageIndex &index) const +{ + UINT mipSlice = static_cast<UINT>(index.mipIndex + mTopLevel); + UINT arraySlice = static_cast<UINT>(index.hasLayer() ? index.layerIndex : 0); + UINT subresource = D3D11CalcSubresource(mipSlice, arraySlice, mMipLevels); + ASSERT(subresource != std::numeric_limits<UINT>::max()); + return subresource; +} + +gl::Error TextureStorage11::getSRV(const gl::SamplerState &samplerState, ID3D11ShaderResourceView **outSRV) +{ + bool swizzleRequired = samplerState.swizzleRequired(); + bool mipmapping = gl::IsMipmapFiltered(samplerState); + unsigned int mipLevels = mipmapping ? (samplerState.maxLevel - samplerState.baseLevel + 1) : 1; + + // Make sure there's 'mipLevels' mipmap levels below the base level (offset by the top level, which corresponds to GL level 0) + mipLevels = std::min(mipLevels, mMipLevels - mTopLevel - samplerState.baseLevel); + + if (mRenderer->getFeatureLevel() <= D3D_FEATURE_LEVEL_9_3) + { + ASSERT(!swizzleRequired); + ASSERT(mipLevels == 1 || mipLevels == mMipLevels); + } + + if (mRenderer->getWorkarounds().zeroMaxLodWorkaround) + { + // We must ensure that the level zero texture is in sync with mipped texture. + gl::Error error = useLevelZeroWorkaroundTexture(mipLevels == 1); + if (error.isError()) + { + return error; + } + } + + if (swizzleRequired) + { + verifySwizzleExists(samplerState.swizzleRed, samplerState.swizzleGreen, samplerState.swizzleBlue, samplerState.swizzleAlpha); + } + + SRVKey key(samplerState.baseLevel, mipLevels, swizzleRequired); + SRVCache::const_iterator iter = mSrvCache.find(key); + if (iter != mSrvCache.end()) + { + *outSRV = iter->second; + } + else + { + ID3D11Resource *texture = NULL; + if (swizzleRequired) + { + gl::Error error = getSwizzleTexture(&texture); + if (error.isError()) + { + return error; + } + } + else + { + gl::Error error = getResource(&texture); + if (error.isError()) + { + return error; + } + } + + ID3D11ShaderResourceView *srv = NULL; + DXGI_FORMAT format = (swizzleRequired ? mSwizzleShaderResourceFormat : mShaderResourceFormat); + gl::Error error = createSRV(samplerState.baseLevel, mipLevels, format, texture, &srv); + if (error.isError()) + { + return error; + } + + mSrvCache.insert(std::make_pair(key, srv)); + *outSRV = srv; + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11::getSRVLevel(int mipLevel, ID3D11ShaderResourceView **outSRV) +{ + ASSERT(mipLevel >= 0 && mipLevel < getLevelCount()); + + if (!mLevelSRVs[mipLevel]) + { + ID3D11Resource *resource = NULL; + gl::Error error = getResource(&resource); + if (error.isError()) + { + return error; + } + + error = createSRV(mipLevel, 1, mShaderResourceFormat, resource, &mLevelSRVs[mipLevel]); + if (error.isError()) + { + return error; + } + } + + *outSRV = mLevelSRVs[mipLevel]; + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11::generateSwizzles(GLenum swizzleRed, GLenum swizzleGreen, GLenum swizzleBlue, GLenum swizzleAlpha) +{ + SwizzleCacheValue swizzleTarget(swizzleRed, swizzleGreen, swizzleBlue, swizzleAlpha); + for (int level = 0; level < getLevelCount(); level++) + { + // Check if the swizzle for this level is out of date + if (mSwizzleCache[level] != swizzleTarget) + { + // Need to re-render the swizzle for this level + ID3D11ShaderResourceView *sourceSRV = NULL; + gl::Error error = getSRVLevel(level, &sourceSRV); + if (error.isError()) + { + return error; + } + + ID3D11RenderTargetView *destRTV = NULL; + error = getSwizzleRenderTarget(level, &destRTV); + if (error.isError()) + { + return error; + } + + gl::Extents size(getLevelWidth(level), getLevelHeight(level), getLevelDepth(level)); + + Blit11 *blitter = mRenderer->getBlitter(); + + error = blitter->swizzleTexture(sourceSRV, destRTV, size, swizzleRed, swizzleGreen, swizzleBlue, swizzleAlpha); + if (error.isError()) + { + return error; + } + + mSwizzleCache[level] = swizzleTarget; + } + } + + return gl::Error(GL_NO_ERROR); +} + +void TextureStorage11::invalidateSwizzleCacheLevel(int mipLevel) +{ + if (mipLevel >= 0 && static_cast<unsigned int>(mipLevel) < ArraySize(mSwizzleCache)) + { + // The default constructor of SwizzleCacheValue has GL_NONE for all channels which is not a + // valid swizzle combination + mSwizzleCache[mipLevel] = SwizzleCacheValue(); + } +} + +void TextureStorage11::invalidateSwizzleCache() +{ + for (unsigned int mipLevel = 0; mipLevel < ArraySize(mSwizzleCache); mipLevel++) + { + invalidateSwizzleCacheLevel(mipLevel); + } +} + +gl::Error TextureStorage11::updateSubresourceLevel(ID3D11Resource *srcTexture, unsigned int sourceSubresource, + const gl::ImageIndex &index, const gl::Box ©Area) +{ + ASSERT(srcTexture); + + GLint level = index.mipIndex; + + invalidateSwizzleCacheLevel(level); + + gl::Extents texSize(getLevelWidth(level), getLevelHeight(level), getLevelDepth(level)); + + bool fullCopy = copyArea.x == 0 && + copyArea.y == 0 && + copyArea.z == 0 && + copyArea.width == texSize.width && + copyArea.height == texSize.height && + copyArea.depth == texSize.depth; + + ID3D11Resource *dstTexture = NULL; + gl::Error error(GL_NO_ERROR); + + // If the zero-LOD workaround is active and we want to update a level greater than zero, then we should + // update the mipmapped texture, even if mapmaps are currently disabled. + if (index.mipIndex > 0 && mRenderer->getWorkarounds().zeroMaxLodWorkaround) + { + error = getMippedResource(&dstTexture); + } + else + { + error = getResource(&dstTexture); + } + + if (error.isError()) + { + return error; + } + + unsigned int dstSubresource = getSubresourceIndex(index); + + ASSERT(dstTexture); + + const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(mTextureFormat); + if (!fullCopy && (dxgiFormatInfo.depthBits > 0 || dxgiFormatInfo.stencilBits > 0)) + { + // CopySubresourceRegion cannot copy partial depth stencils, use the blitter instead + Blit11 *blitter = mRenderer->getBlitter(); + + return blitter->copyDepthStencil(srcTexture, sourceSubresource, copyArea, texSize, + dstTexture, dstSubresource, copyArea, texSize, + NULL); + } + else + { + D3D11_BOX srcBox; + srcBox.left = copyArea.x; + srcBox.top = copyArea.y; + srcBox.right = copyArea.x + roundUp(static_cast<UINT>(copyArea.width), dxgiFormatInfo.blockWidth); + srcBox.bottom = copyArea.y + roundUp(static_cast<UINT>(copyArea.height), dxgiFormatInfo.blockHeight); + srcBox.front = copyArea.z; + srcBox.back = copyArea.z + copyArea.depth; + + ID3D11DeviceContext *context = mRenderer->getDeviceContext(); + + context->CopySubresourceRegion(dstTexture, dstSubresource, copyArea.x, copyArea.y, copyArea.z, + srcTexture, sourceSubresource, fullCopy ? NULL : &srcBox); + return gl::Error(GL_NO_ERROR); + } +} + +gl::Error TextureStorage11::copySubresourceLevel(ID3D11Resource* dstTexture, unsigned int dstSubresource, + const gl::ImageIndex &index, const gl::Box ®ion) +{ + ASSERT(dstTexture); + + ID3D11Resource *srcTexture = NULL; + gl::Error error(GL_NO_ERROR); + + // If the zero-LOD workaround is active and we want to update a level greater than zero, then we should + // update the mipmapped texture, even if mapmaps are currently disabled. + if (index.mipIndex > 0 && mRenderer->getWorkarounds().zeroMaxLodWorkaround) + { + error = getMippedResource(&srcTexture); + } + else + { + error = getResource(&srcTexture); + } + + if (error.isError()) + { + return error; + } + + ASSERT(srcTexture); + + unsigned int srcSubresource = getSubresourceIndex(index); + + ID3D11DeviceContext *context = mRenderer->getDeviceContext(); + + // D3D11 can't perform partial CopySubresourceRegion on depth/stencil textures, so pSrcBox should be NULL. + D3D11_BOX srcBox; + D3D11_BOX *pSrcBox = NULL; + if (mRenderer->getFeatureLevel() <= D3D_FEATURE_LEVEL_9_3) + { + // However, D3D10Level9 doesn't always perform CopySubresourceRegion correctly unless the source box + // is specified. This is okay, since we don't perform CopySubresourceRegion on depth/stencil + // textures on 9_3. + ASSERT(d3d11::GetDXGIFormatInfo(mTextureFormat).depthBits == 0); + ASSERT(d3d11::GetDXGIFormatInfo(mTextureFormat).stencilBits == 0); + srcBox.left = region.x; + srcBox.right = region.x + region.width; + srcBox.top = region.y; + srcBox.bottom = region.y + region.height; + srcBox.front = region.z; + srcBox.back = region.z + region.depth; + pSrcBox = &srcBox; + } + + context->CopySubresourceRegion(dstTexture, dstSubresource, region.x, region.y, region.z, + srcTexture, srcSubresource, pSrcBox); + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11::generateMipmap(const gl::ImageIndex &sourceIndex, const gl::ImageIndex &destIndex) +{ + ASSERT(sourceIndex.layerIndex == destIndex.layerIndex); + + invalidateSwizzleCacheLevel(destIndex.mipIndex); + + RenderTargetD3D *source = NULL; + gl::Error error = getRenderTarget(sourceIndex, &source); + if (error.isError()) + { + return error; + } + + RenderTargetD3D *dest = NULL; + error = getRenderTarget(destIndex, &dest); + if (error.isError()) + { + return error; + } + + ID3D11ShaderResourceView *sourceSRV = RenderTarget11::makeRenderTarget11(source)->getShaderResourceView(); + ID3D11RenderTargetView *destRTV = RenderTarget11::makeRenderTarget11(dest)->getRenderTargetView(); + + gl::Box sourceArea(0, 0, 0, source->getWidth(), source->getHeight(), source->getDepth()); + gl::Extents sourceSize(source->getWidth(), source->getHeight(), source->getDepth()); + + gl::Box destArea(0, 0, 0, dest->getWidth(), dest->getHeight(), dest->getDepth()); + gl::Extents destSize(dest->getWidth(), dest->getHeight(), dest->getDepth()); + + Blit11 *blitter = mRenderer->getBlitter(); + return blitter->copyTexture(sourceSRV, sourceArea, sourceSize, destRTV, destArea, destSize, NULL, + gl::GetInternalFormatInfo(source->getInternalFormat()).format, GL_LINEAR); +} + +void TextureStorage11::verifySwizzleExists(GLenum swizzleRed, GLenum swizzleGreen, GLenum swizzleBlue, GLenum swizzleAlpha) +{ + SwizzleCacheValue swizzleTarget(swizzleRed, swizzleGreen, swizzleBlue, swizzleAlpha); + for (unsigned int level = 0; level < mMipLevels; level++) + { + ASSERT(mSwizzleCache[level] == swizzleTarget); + } +} + +gl::Error TextureStorage11::copyToStorage(TextureStorage *destStorage) +{ + ASSERT(destStorage); + + ID3D11Resource *sourceResouce = NULL; + gl::Error error = getResource(&sourceResouce); + if (error.isError()) + { + return error; + } + + TextureStorage11 *dest11 = TextureStorage11::makeTextureStorage11(destStorage); + ID3D11Resource *destResource = NULL; + error = dest11->getResource(&destResource); + if (error.isError()) + { + return error; + } + + ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext(); + immediateContext->CopyResource(destResource, sourceResouce); + + dest11->invalidateSwizzleCache(); + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11::setData(const gl::ImageIndex &index, ImageD3D *image, const gl::Box *destBox, GLenum type, + const gl::PixelUnpackState &unpack, const uint8_t *pixelData) +{ + ASSERT(!image->isDirty()); + + ID3D11Resource *resource = NULL; + gl::Error error = getResource(&resource); + if (error.isError()) + { + return error; + } + ASSERT(resource); + + UINT destSubresource = getSubresourceIndex(index); + + const gl::InternalFormat &internalFormatInfo = gl::GetInternalFormatInfo(image->getInternalFormat()); + + gl::Box levelBox(0, 0, 0, getLevelWidth(index.mipIndex), getLevelHeight(index.mipIndex), getLevelDepth(index.mipIndex)); + bool fullUpdate = (destBox == NULL || *destBox == levelBox); + ASSERT(internalFormatInfo.depthBits == 0 || fullUpdate); + + // TODO(jmadill): Handle compressed formats + // Compressed formats have different load syntax, so we'll have to handle them with slightly + // different logic. Will implemnent this in a follow-up patch, and ensure we do not use SetData + // with compressed formats in the calling logic. + ASSERT(!internalFormatInfo.compressed); + + int width = destBox ? destBox->width : static_cast<int>(image->getWidth()); + int height = destBox ? destBox->height : static_cast<int>(image->getHeight()); + int depth = destBox ? destBox->depth : static_cast<int>(image->getDepth()); + UINT srcRowPitch = internalFormatInfo.computeRowPitch(type, width, unpack.alignment, unpack.rowLength); + UINT srcDepthPitch = internalFormatInfo.computeDepthPitch(type, width, height, unpack.alignment, unpack.rowLength); + + const d3d11::TextureFormat &d3d11Format = d3d11::GetTextureFormatInfo(image->getInternalFormat(), mRenderer->getFeatureLevel()); + const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(d3d11Format.texFormat); + + size_t outputPixelSize = dxgiFormatInfo.pixelBytes; + + UINT bufferRowPitch = outputPixelSize * width; + UINT bufferDepthPitch = bufferRowPitch * height; + + size_t neededSize = bufferDepthPitch * depth; + MemoryBuffer *conversionBuffer = NULL; + error = mRenderer->getScratchMemoryBuffer(neededSize, &conversionBuffer); + if (error.isError()) + { + return error; + } + + // TODO: fast path + LoadImageFunction loadFunction = d3d11Format.loadFunctions.at(type); + loadFunction(width, height, depth, + pixelData, srcRowPitch, srcDepthPitch, + conversionBuffer->data(), bufferRowPitch, bufferDepthPitch); + + ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext(); + + if (!fullUpdate) + { + ASSERT(destBox); + + D3D11_BOX destD3DBox; + destD3DBox.left = destBox->x; + destD3DBox.right = destBox->x + destBox->width; + destD3DBox.top = destBox->y; + destD3DBox.bottom = destBox->y + destBox->height; + destD3DBox.front = destBox->z; + destD3DBox.back = destBox->z + destBox->depth; + + immediateContext->UpdateSubresource(resource, destSubresource, + &destD3DBox, conversionBuffer->data(), + bufferRowPitch, bufferDepthPitch); + } + else + { + immediateContext->UpdateSubresource(resource, destSubresource, + NULL, conversionBuffer->data(), + bufferRowPitch, bufferDepthPitch); + } + + return gl::Error(GL_NO_ERROR); +} + +TextureStorage11_2D::TextureStorage11_2D(Renderer11 *renderer, SwapChain11 *swapchain) + : TextureStorage11(renderer, D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE), + mTexture(swapchain->getOffscreenTexture()), + mSwizzleTexture(NULL), + mLevelZeroTexture(NULL), + mLevelZeroRenderTarget(NULL), + mUseLevelZeroTexture(false) +{ + mTexture->AddRef(); + + for (unsigned int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++) + { + mAssociatedImages[i] = NULL; + mRenderTarget[i] = NULL; + mSwizzleRenderTargets[i] = NULL; + } + + D3D11_TEXTURE2D_DESC texDesc; + mTexture->GetDesc(&texDesc); + mMipLevels = texDesc.MipLevels; + mTextureFormat = texDesc.Format; + mTextureWidth = texDesc.Width; + mTextureHeight = texDesc.Height; + mTextureDepth = 1; + + mInternalFormat = swapchain->GetBackBufferInternalFormat(); + + ID3D11ShaderResourceView *srv = swapchain->getRenderTargetShaderResource(); + D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc; + srv->GetDesc(&srvDesc); + mShaderResourceFormat = srvDesc.Format; + + ID3D11RenderTargetView* offscreenRTV = swapchain->getRenderTarget(); + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + offscreenRTV->GetDesc(&rtvDesc); + mRenderTargetFormat = rtvDesc.Format; + + const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(mTextureFormat); + const d3d11::TextureFormat &formatInfo = d3d11::GetTextureFormatInfo(dxgiFormatInfo.internalFormat, mRenderer->getFeatureLevel()); + mSwizzleTextureFormat = formatInfo.swizzleTexFormat; + mSwizzleShaderResourceFormat = formatInfo.swizzleSRVFormat; + mSwizzleRenderTargetFormat = formatInfo.swizzleRTVFormat; + + mDepthStencilFormat = DXGI_FORMAT_UNKNOWN; + + initializeSerials(1, 1); +} + +TextureStorage11_2D::TextureStorage11_2D(Renderer11 *renderer, GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels, bool hintLevelZeroOnly) + : TextureStorage11(renderer, GetTextureBindFlags(internalformat, renderer->getFeatureLevel(), renderTarget)), + mTexture(NULL), + mSwizzleTexture(NULL), + mLevelZeroTexture(NULL), + mLevelZeroRenderTarget(NULL), + mUseLevelZeroTexture(false) +{ + for (unsigned int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++) + { + mAssociatedImages[i] = NULL; + mRenderTarget[i] = NULL; + mSwizzleRenderTargets[i] = NULL; + } + + mInternalFormat = internalformat; + + const d3d11::TextureFormat &formatInfo = d3d11::GetTextureFormatInfo(internalformat, renderer->getFeatureLevel()); + mTextureFormat = formatInfo.texFormat; + mShaderResourceFormat = formatInfo.srvFormat; + mDepthStencilFormat = formatInfo.dsvFormat; + mRenderTargetFormat = formatInfo.rtvFormat; + mSwizzleTextureFormat = formatInfo.swizzleTexFormat; + mSwizzleShaderResourceFormat = formatInfo.swizzleSRVFormat; + mSwizzleRenderTargetFormat = formatInfo.swizzleRTVFormat; + + d3d11::MakeValidSize(false, mTextureFormat, &width, &height, &mTopLevel); + mMipLevels = mTopLevel + levels; + mTextureWidth = width; + mTextureHeight = height; + mTextureDepth = 1; + + if (hintLevelZeroOnly && levels > 1) + { + //The LevelZeroOnly hint should only be true if the zero max LOD workaround is active. + ASSERT(mRenderer->getWorkarounds().zeroMaxLodWorkaround); + mUseLevelZeroTexture = true; + } + + initializeSerials(getLevelCount(), 1); +} + +TextureStorage11_2D::~TextureStorage11_2D() +{ + for (unsigned i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++) + { + if (mAssociatedImages[i] != NULL) + { + bool imageAssociationCorrect = mAssociatedImages[i]->isAssociatedStorageValid(this); + ASSERT(imageAssociationCorrect); + + if (imageAssociationCorrect) + { + // We must let the Images recover their data before we delete it from the TextureStorage. + gl::Error error = mAssociatedImages[i]->recoverFromAssociatedStorage(); + if (error.isError()) + { + // TODO: Find a way to report this back to the context + } + } + } + } + + SafeRelease(mTexture); + SafeRelease(mSwizzleTexture); + + SafeRelease(mLevelZeroTexture); + SafeDelete(mLevelZeroRenderTarget); + + for (unsigned int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++) + { + SafeDelete(mRenderTarget[i]); + SafeRelease(mSwizzleRenderTargets[i]); + } +} + +TextureStorage11_2D *TextureStorage11_2D::makeTextureStorage11_2D(TextureStorage *storage) +{ + ASSERT(HAS_DYNAMIC_TYPE(TextureStorage11_2D*, storage)); + return static_cast<TextureStorage11_2D*>(storage); +} + +gl::Error TextureStorage11_2D::copyToStorage(TextureStorage *destStorage) +{ + ASSERT(destStorage); + + TextureStorage11_2D *dest11 = TextureStorage11_2D::makeTextureStorage11_2D(destStorage); + + if (mRenderer->getWorkarounds().zeroMaxLodWorkaround) + { + ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext(); + + // If either mTexture or mLevelZeroTexture exist, then we need to copy them into the corresponding textures in destStorage. + if (mTexture) + { + gl::Error error = dest11->useLevelZeroWorkaroundTexture(false); + if (error.isError()) + { + return error; + } + + ID3D11Resource *destResource = NULL; + error = dest11->getResource(&destResource); + if (error.isError()) + { + return error; + } + + immediateContext->CopyResource(destResource, mTexture); + } + + if (mLevelZeroTexture) + { + gl::Error error = dest11->useLevelZeroWorkaroundTexture(true); + if (error.isError()) + { + return error; + } + + ID3D11Resource *destResource = NULL; + error = dest11->getResource(&destResource); + if (error.isError()) + { + return error; + } + + immediateContext->CopyResource(destResource, mLevelZeroTexture); + } + } + else + { + ID3D11Resource *sourceResouce = NULL; + gl::Error error = getResource(&sourceResouce); + if (error.isError()) + { + return error; + } + + ID3D11Resource *destResource = NULL; + error = dest11->getResource(&destResource); + if (error.isError()) + { + return error; + } + + ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext(); + immediateContext->CopyResource(destResource, sourceResouce); + } + + dest11->invalidateSwizzleCache(); + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2D::useLevelZeroWorkaroundTexture(bool useLevelZeroTexture) +{ + if (useLevelZeroTexture && mMipLevels > 1) + { + if (!mUseLevelZeroTexture && mTexture) + { + gl::Error error = ensureTextureExists(1); + if (error.isError()) + { + return error; + } + + // Pull data back from the mipped texture if necessary. + ASSERT(mLevelZeroTexture); + ID3D11DeviceContext *context = mRenderer->getDeviceContext(); + context->CopySubresourceRegion(mLevelZeroTexture, 0, 0, 0, 0, mTexture, 0, NULL); + } + + mUseLevelZeroTexture = true; + } + else + { + if (mUseLevelZeroTexture && mLevelZeroTexture) + { + gl::Error error = ensureTextureExists(mMipLevels); + if (error.isError()) + { + return error; + } + + // Pull data back from the level zero texture if necessary. + ASSERT(mTexture); + ID3D11DeviceContext *context = mRenderer->getDeviceContext(); + context->CopySubresourceRegion(mTexture, 0, 0, 0, 0, mLevelZeroTexture, 0, NULL); + } + + mUseLevelZeroTexture = false; + } + + return gl::Error(GL_NO_ERROR); +} + +void TextureStorage11_2D::associateImage(Image11* image, const gl::ImageIndex &index) +{ + GLint level = index.mipIndex; + + ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS); + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + mAssociatedImages[level] = image; + } +} + +bool TextureStorage11_2D::isAssociatedImageValid(const gl::ImageIndex &index, Image11* expectedImage) +{ + GLint level = index.mipIndex; + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + // This validation check should never return false. It means the Image/TextureStorage association is broken. + bool retValue = (mAssociatedImages[level] == expectedImage); + ASSERT(retValue); + return retValue; + } + + return false; +} + +// disassociateImage allows an Image to end its association with a Storage. +void TextureStorage11_2D::disassociateImage(const gl::ImageIndex &index, Image11* expectedImage) +{ + GLint level = index.mipIndex; + + ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS); + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + ASSERT(mAssociatedImages[level] == expectedImage); + + if (mAssociatedImages[level] == expectedImage) + { + mAssociatedImages[level] = NULL; + } + } +} + +// releaseAssociatedImage prepares the Storage for a new Image association. It lets the old Image recover its data before ending the association. +gl::Error TextureStorage11_2D::releaseAssociatedImage(const gl::ImageIndex &index, Image11* incomingImage) +{ + GLint level = index.mipIndex; + + ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS); + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + // No need to let the old Image recover its data, if it is also the incoming Image. + if (mAssociatedImages[level] != NULL && mAssociatedImages[level] != incomingImage) + { + // Ensure that the Image is still associated with this TextureStorage. This should be true. + bool imageAssociationCorrect = mAssociatedImages[level]->isAssociatedStorageValid(this); + ASSERT(imageAssociationCorrect); + + if (imageAssociationCorrect) + { + // Force the image to recover from storage before its data is overwritten. + // This will reset mAssociatedImages[level] to NULL too. + gl::Error error = mAssociatedImages[level]->recoverFromAssociatedStorage(); + if (error.isError()) + { + return error; + } + } + } + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2D::getResource(ID3D11Resource **outResource) +{ + if (mUseLevelZeroTexture && mMipLevels > 1) + { + gl::Error error = ensureTextureExists(1); + if (error.isError()) + { + return error; + } + + *outResource = mLevelZeroTexture; + return gl::Error(GL_NO_ERROR); + } + else + { + gl::Error error = ensureTextureExists(mMipLevels); + if (error.isError()) + { + return error; + } + + *outResource = mTexture; + return gl::Error(GL_NO_ERROR); + } +} + +gl::Error TextureStorage11_2D::getMippedResource(ID3D11Resource **outResource) +{ + // This shouldn't be called unless the zero max LOD workaround is active. + ASSERT(mRenderer->getWorkarounds().zeroMaxLodWorkaround); + + gl::Error error = ensureTextureExists(mMipLevels); + if (error.isError()) + { + return error; + } + + *outResource = mTexture; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2D::ensureTextureExists(int mipLevels) +{ + // If mMipLevels = 1 then always use mTexture rather than mLevelZeroTexture. + bool useLevelZeroTexture = mRenderer->getWorkarounds().zeroMaxLodWorkaround ? (mipLevels == 1) && (mMipLevels > 1) : false; + ID3D11Texture2D **outputTexture = useLevelZeroTexture ? &mLevelZeroTexture : &mTexture; + + // if the width or height is not positive this should be treated as an incomplete texture + // we handle that here by skipping the d3d texture creation + if (*outputTexture == NULL && mTextureWidth > 0 && mTextureHeight > 0) + { + ASSERT(mipLevels > 0); + + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_TEXTURE2D_DESC desc; + desc.Width = mTextureWidth; // Compressed texture size constraints? + desc.Height = mTextureHeight; + desc.MipLevels = mipLevels; + desc.ArraySize = 1; + desc.Format = mTextureFormat; + desc.SampleDesc.Count = 1; + desc.SampleDesc.Quality = 0; + desc.Usage = D3D11_USAGE_DEFAULT; + desc.BindFlags = getBindFlags(); + desc.CPUAccessFlags = 0; + desc.MiscFlags = 0; + + HRESULT result = device->CreateTexture2D(&desc, NULL, outputTexture); + + // this can happen from windows TDR + if (d3d11::isDeviceLostError(result)) + { + mRenderer->notifyDeviceLost(); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create 2D texture storage, result: 0x%X.", result); + } + else if (FAILED(result)) + { + ASSERT(result == E_OUTOFMEMORY); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create 2D texture storage, result: 0x%X.", result); + } + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2D::getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT) +{ + ASSERT(!index.hasLayer()); + + int level = index.mipIndex; + ASSERT(level >= 0 && level < getLevelCount()); + + // In GL ES 2.0, the application can only render to level zero of the texture (Section 4.4.3 of the GLES 2.0 spec, page 113 of version 2.0.25). + // Other parts of TextureStorage11_2D could create RTVs on non-zero levels of the texture (e.g. generateMipmap). + // On Feature Level 9_3, this is unlikely to be useful. The renderer can't create SRVs on the individual levels of the texture, + // so methods like generateMipmap can't do anything useful with non-zero-level RTVs. + // Therefore if level > 0 on 9_3 then there's almost certainly something wrong. + ASSERT(!(mRenderer->getFeatureLevel() <= D3D_FEATURE_LEVEL_9_3 && level > 0)); + + if (!mRenderTarget[level]) + { + ID3D11Resource *texture = NULL; + gl::Error error = getResource(&texture); + if (error.isError()) + { + return error; + } + + ID3D11ShaderResourceView *srv = NULL; + error = getSRVLevel(level, &srv); + if (error.isError()) + { + return error; + } + + if (mUseLevelZeroTexture) + { + if (!mLevelZeroRenderTarget) + { + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D; + rtvDesc.Texture2D.MipSlice = mTopLevel + level; + + ID3D11RenderTargetView *rtv; + HRESULT result = device->CreateRenderTargetView(mLevelZeroTexture, &rtvDesc, &rtv); + + if (result == E_OUTOFMEMORY) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal render target view for texture storage, result: 0x%X.", result); + } + ASSERT(SUCCEEDED(result)); + + mLevelZeroRenderTarget = new TextureRenderTarget11(rtv, mLevelZeroTexture, NULL, mInternalFormat, getLevelWidth(level), getLevelHeight(level), 1, 0); + + // RenderTarget will take ownership of these resources + SafeRelease(rtv); + } + + ASSERT(outRT); + *outRT = mLevelZeroRenderTarget; + return gl::Error(GL_NO_ERROR); + } + + if (mRenderTargetFormat != DXGI_FORMAT_UNKNOWN) + { + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D; + rtvDesc.Texture2D.MipSlice = mTopLevel + level; + + ID3D11RenderTargetView *rtv; + HRESULT result = device->CreateRenderTargetView(texture, &rtvDesc, &rtv); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal render target view for texture storage, result: 0x%X.", result); + } + + mRenderTarget[level] = new TextureRenderTarget11(rtv, texture, srv, mInternalFormat, getLevelWidth(level), getLevelHeight(level), 1, 0); + + // RenderTarget will take ownership of these resources + SafeRelease(rtv); + } + else if (mDepthStencilFormat != DXGI_FORMAT_UNKNOWN) + { + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc; + dsvDesc.Format = mDepthStencilFormat; + dsvDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D; + dsvDesc.Texture2D.MipSlice = mTopLevel + level; + dsvDesc.Flags = 0; + + ID3D11DepthStencilView *dsv; + HRESULT result = device->CreateDepthStencilView(texture, &dsvDesc, &dsv); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY,"Failed to create internal depth stencil view for texture storage, result: 0x%X.", result); + } + + mRenderTarget[level] = new TextureRenderTarget11(dsv, texture, srv, mInternalFormat, getLevelWidth(level), getLevelHeight(level), 1, 0); + + // RenderTarget will take ownership of these resources + SafeRelease(dsv); + } + else + { + UNREACHABLE(); + } + } + + ASSERT(outRT); + *outRT = mRenderTarget[level]; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2D::createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture, + ID3D11ShaderResourceView **outSRV) const +{ + ASSERT(outSRV); + + D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc; + srvDesc.Format = format; + srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D; + srvDesc.Texture2D.MostDetailedMip = mTopLevel + baseLevel; + srvDesc.Texture2D.MipLevels = mipLevels; + + ID3D11Resource *srvTexture = texture; + + if (mRenderer->getWorkarounds().zeroMaxLodWorkaround) + { + ASSERT(mTopLevel == 0); + ASSERT(baseLevel == 0); + // This code also assumes that the incoming texture equals either mLevelZeroTexture or mTexture. + + if (mipLevels == 1 && mMipLevels > 1) + { + // We must use a SRV on the level-zero-only texture. + ASSERT(mLevelZeroTexture != NULL && texture == mLevelZeroTexture); + srvTexture = mLevelZeroTexture; + } + else + { + ASSERT(mipLevels == static_cast<int>(mMipLevels)); + ASSERT(mTexture != NULL && texture == mTexture); + srvTexture = mTexture; + } + } + + ID3D11Device *device = mRenderer->getDevice(); + HRESULT result = device->CreateShaderResourceView(srvTexture, &srvDesc, outSRV); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal texture storage SRV, result: 0x%X.", result); + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2D::getSwizzleTexture(ID3D11Resource **outTexture) +{ + ASSERT(outTexture); + + if (!mSwizzleTexture) + { + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_TEXTURE2D_DESC desc; + desc.Width = mTextureWidth; + desc.Height = mTextureHeight; + desc.MipLevels = mMipLevels; + desc.ArraySize = 1; + desc.Format = mSwizzleTextureFormat; + desc.SampleDesc.Count = 1; + desc.SampleDesc.Quality = 0; + desc.Usage = D3D11_USAGE_DEFAULT; + desc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET; + desc.CPUAccessFlags = 0; + desc.MiscFlags = 0; + + HRESULT result = device->CreateTexture2D(&desc, NULL, &mSwizzleTexture); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal swizzle texture, result: 0x%X.", result); + } + } + + *outTexture = mSwizzleTexture; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2D::getSwizzleRenderTarget(int mipLevel, ID3D11RenderTargetView **outRTV) +{ + ASSERT(mipLevel >= 0 && mipLevel < getLevelCount()); + ASSERT(outRTV); + + if (!mSwizzleRenderTargets[mipLevel]) + { + ID3D11Resource *swizzleTexture = NULL; + gl::Error error = getSwizzleTexture(&swizzleTexture); + if (error.isError()) + { + return error; + } + + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mSwizzleRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D; + rtvDesc.Texture2D.MipSlice = mTopLevel + mipLevel; + + HRESULT result = device->CreateRenderTargetView(mSwizzleTexture, &rtvDesc, &mSwizzleRenderTargets[mipLevel]); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal swizzle render target view, result: 0x%X.", result); + } + } + + *outRTV = mSwizzleRenderTargets[mipLevel]; + return gl::Error(GL_NO_ERROR); +} + +TextureStorage11_Cube::TextureStorage11_Cube(Renderer11 *renderer, GLenum internalformat, bool renderTarget, int size, int levels, bool hintLevelZeroOnly) + : TextureStorage11(renderer, GetTextureBindFlags(internalformat, renderer->getFeatureLevel(), renderTarget)) +{ + mTexture = NULL; + mSwizzleTexture = NULL; + + for (unsigned int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++) + { + mSwizzleRenderTargets[level] = NULL; + for (unsigned int face = 0; face < CUBE_FACE_COUNT; face++) + { + mAssociatedImages[face][level] = NULL; + mRenderTarget[face][level] = NULL; + } + } + + mLevelZeroTexture = NULL; + mUseLevelZeroTexture = false; + + for (unsigned int face = 0; face < CUBE_FACE_COUNT; face++) + { + mLevelZeroRenderTarget[face] = NULL; + } + + mInternalFormat = internalformat; + + const d3d11::TextureFormat &formatInfo = d3d11::GetTextureFormatInfo(internalformat, renderer->getFeatureLevel()); + mTextureFormat = formatInfo.texFormat; + mShaderResourceFormat = formatInfo.srvFormat; + mDepthStencilFormat = formatInfo.dsvFormat; + mRenderTargetFormat = formatInfo.rtvFormat; + mSwizzleTextureFormat = formatInfo.swizzleTexFormat; + mSwizzleShaderResourceFormat = formatInfo.swizzleSRVFormat; + mSwizzleRenderTargetFormat = formatInfo.swizzleRTVFormat; + + // adjust size if needed for compressed textures + int height = size; + d3d11::MakeValidSize(false, mTextureFormat, &size, &height, &mTopLevel); + + mMipLevels = mTopLevel + levels; + mTextureWidth = size; + mTextureHeight = size; + mTextureDepth = 1; + + if (hintLevelZeroOnly && levels > 1) + { + //The LevelZeroOnly hint should only be true if the zero max LOD workaround is active. + ASSERT(mRenderer->getWorkarounds().zeroMaxLodWorkaround); + mUseLevelZeroTexture = true; + } + + initializeSerials(getLevelCount() * CUBE_FACE_COUNT, CUBE_FACE_COUNT); +} + +TextureStorage11_Cube::~TextureStorage11_Cube() +{ + for (unsigned int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++) + { + for (unsigned int face = 0; face < CUBE_FACE_COUNT; face++) + { + if (mAssociatedImages[face][level] != NULL) + { + bool imageAssociationCorrect = mAssociatedImages[face][level]->isAssociatedStorageValid(this); + ASSERT(imageAssociationCorrect); + + if (imageAssociationCorrect) + { + // We must let the Images recover their data before we delete it from the TextureStorage. + mAssociatedImages[face][level]->recoverFromAssociatedStorage(); + } + } + } + } + + SafeRelease(mTexture); + SafeRelease(mSwizzleTexture); + SafeRelease(mLevelZeroTexture); + + for (unsigned int face = 0; face < CUBE_FACE_COUNT; face++) + { + SafeDelete(mLevelZeroRenderTarget[face]); + } + + for (unsigned int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++) + { + SafeRelease(mSwizzleRenderTargets[level]); + for (unsigned int face = 0; face < CUBE_FACE_COUNT; face++) + { + SafeDelete(mRenderTarget[face][level]); + } + } +} + +TextureStorage11_Cube *TextureStorage11_Cube::makeTextureStorage11_Cube(TextureStorage *storage) +{ + ASSERT(HAS_DYNAMIC_TYPE(TextureStorage11_Cube*, storage)); + return static_cast<TextureStorage11_Cube*>(storage); +} + +UINT TextureStorage11_Cube::getSubresourceIndex(const gl::ImageIndex &index) const +{ + if (mRenderer->getWorkarounds().zeroMaxLodWorkaround && mUseLevelZeroTexture && index.mipIndex == 0) + { + UINT arraySlice = static_cast<UINT>(index.hasLayer() ? index.layerIndex : 0); + UINT subresource = D3D11CalcSubresource(0, arraySlice, 1); + ASSERT(subresource != std::numeric_limits<UINT>::max()); + return subresource; + } + else + { + UINT mipSlice = static_cast<UINT>(index.mipIndex + mTopLevel); + UINT arraySlice = static_cast<UINT>(index.hasLayer() ? index.layerIndex : 0); + UINT subresource = D3D11CalcSubresource(mipSlice, arraySlice, mMipLevels); + ASSERT(subresource != std::numeric_limits<UINT>::max()); + return subresource; + } +} + +gl::Error TextureStorage11_Cube::copyToStorage(TextureStorage *destStorage) +{ + ASSERT(destStorage); + + TextureStorage11_Cube *dest11 = TextureStorage11_Cube::makeTextureStorage11_Cube(destStorage); + + if (mRenderer->getWorkarounds().zeroMaxLodWorkaround) + { + ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext(); + + // If either mTexture or mLevelZeroTexture exist, then we need to copy them into the corresponding textures in destStorage. + if (mTexture) + { + gl::Error error = dest11->useLevelZeroWorkaroundTexture(false); + if (error.isError()) + { + return error; + } + + ID3D11Resource *destResource = NULL; + error = dest11->getResource(&destResource); + if (error.isError()) + { + return error; + } + + immediateContext->CopyResource(destResource, mTexture); + } + + if (mLevelZeroTexture) + { + gl::Error error = dest11->useLevelZeroWorkaroundTexture(true); + if (error.isError()) + { + return error; + } + + ID3D11Resource *destResource = NULL; + error = dest11->getResource(&destResource); + if (error.isError()) + { + return error; + } + + immediateContext->CopyResource(destResource, mLevelZeroTexture); + } + } + else + { + ID3D11Resource *sourceResouce = NULL; + gl::Error error = getResource(&sourceResouce); + if (error.isError()) + { + return error; + } + + ID3D11Resource *destResource = NULL; + error = dest11->getResource(&destResource); + if (error.isError()) + { + return error; + } + + ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext(); + immediateContext->CopyResource(destResource, sourceResouce); + } + + dest11->invalidateSwizzleCache(); + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_Cube::useLevelZeroWorkaroundTexture(bool useLevelZeroTexture) +{ + if (useLevelZeroTexture && mMipLevels > 1) + { + if (!mUseLevelZeroTexture && mTexture) + { + gl::Error error = ensureTextureExists(1); + if (error.isError()) + { + return error; + } + + // Pull data back from the mipped texture if necessary. + ASSERT(mLevelZeroTexture); + ID3D11DeviceContext *context = mRenderer->getDeviceContext(); + + for (int face = 0; face < 6; face++) + { + context->CopySubresourceRegion(mLevelZeroTexture, D3D11CalcSubresource(0, face, 1), 0, 0, 0, mTexture, face * mMipLevels, NULL); + } + } + + mUseLevelZeroTexture = true; + } + else + { + if (mUseLevelZeroTexture && mLevelZeroTexture) + { + gl::Error error = ensureTextureExists(mMipLevels); + if (error.isError()) + { + return error; + } + + // Pull data back from the level zero texture if necessary. + ASSERT(mTexture); + ID3D11DeviceContext *context = mRenderer->getDeviceContext(); + + for (int face = 0; face < 6; face++) + { + context->CopySubresourceRegion(mTexture, D3D11CalcSubresource(0, face, mMipLevels), 0, 0, 0, mLevelZeroTexture, face, NULL); + } + } + + mUseLevelZeroTexture = false; + } + + return gl::Error(GL_NO_ERROR); +} + +void TextureStorage11_Cube::associateImage(Image11* image, const gl::ImageIndex &index) +{ + GLint level = index.mipIndex; + GLint layerTarget = index.layerIndex; + + ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS); + ASSERT(0 <= layerTarget && layerTarget < CUBE_FACE_COUNT); + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + if (0 <= layerTarget && layerTarget < CUBE_FACE_COUNT) + { + mAssociatedImages[layerTarget][level] = image; + } + } +} + +bool TextureStorage11_Cube::isAssociatedImageValid(const gl::ImageIndex &index, Image11* expectedImage) +{ + GLint level = index.mipIndex; + GLint layerTarget = index.layerIndex; + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + if (0 <= layerTarget && layerTarget < CUBE_FACE_COUNT) + { + // This validation check should never return false. It means the Image/TextureStorage association is broken. + bool retValue = (mAssociatedImages[layerTarget][level] == expectedImage); + ASSERT(retValue); + return retValue; + } + } + + return false; +} + +// disassociateImage allows an Image to end its association with a Storage. +void TextureStorage11_Cube::disassociateImage(const gl::ImageIndex &index, Image11* expectedImage) +{ + GLint level = index.mipIndex; + GLint layerTarget = index.layerIndex; + + ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS); + ASSERT(0 <= layerTarget && layerTarget < CUBE_FACE_COUNT); + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + if (0 <= layerTarget && layerTarget < CUBE_FACE_COUNT) + { + ASSERT(mAssociatedImages[layerTarget][level] == expectedImage); + + if (mAssociatedImages[layerTarget][level] == expectedImage) + { + mAssociatedImages[layerTarget][level] = NULL; + } + } + } +} + +// releaseAssociatedImage prepares the Storage for a new Image association. It lets the old Image recover its data before ending the association. +gl::Error TextureStorage11_Cube::releaseAssociatedImage(const gl::ImageIndex &index, Image11* incomingImage) +{ + GLint level = index.mipIndex; + GLint layerTarget = index.layerIndex; + + ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS); + ASSERT(0 <= layerTarget && layerTarget < CUBE_FACE_COUNT); + + if ((0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)) + { + if (0 <= layerTarget && layerTarget < CUBE_FACE_COUNT) + { + // No need to let the old Image recover its data, if it is also the incoming Image. + if (mAssociatedImages[layerTarget][level] != NULL && mAssociatedImages[layerTarget][level] != incomingImage) + { + // Ensure that the Image is still associated with this TextureStorage. This should be true. + bool imageAssociationCorrect = mAssociatedImages[layerTarget][level]->isAssociatedStorageValid(this); + ASSERT(imageAssociationCorrect); + + if (imageAssociationCorrect) + { + // Force the image to recover from storage before its data is overwritten. + // This will reset mAssociatedImages[level] to NULL too. + gl::Error error = mAssociatedImages[layerTarget][level]->recoverFromAssociatedStorage(); + if (error.isError()) + { + return error; + } + } + } + } + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_Cube::getResource(ID3D11Resource **outResource) +{ + if (mUseLevelZeroTexture && mMipLevels > 1) + { + gl::Error error = ensureTextureExists(1); + if (error.isError()) + { + return error; + } + + *outResource = mLevelZeroTexture; + return gl::Error(GL_NO_ERROR); + } + else + { + gl::Error error = ensureTextureExists(mMipLevels); + if (error.isError()) + { + return error; + } + + *outResource = mTexture; + return gl::Error(GL_NO_ERROR); + } +} + +gl::Error TextureStorage11_Cube::getMippedResource(ID3D11Resource **outResource) +{ + // This shouldn't be called unless the zero max LOD workaround is active. + ASSERT(mRenderer->getWorkarounds().zeroMaxLodWorkaround); + + gl::Error error = ensureTextureExists(mMipLevels); + if (error.isError()) + { + return error; + } + + *outResource = mTexture; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_Cube::ensureTextureExists(int mipLevels) +{ + // If mMipLevels = 1 then always use mTexture rather than mLevelZeroTexture. + bool useLevelZeroTexture = mRenderer->getWorkarounds().zeroMaxLodWorkaround ? (mipLevels == 1) && (mMipLevels > 1) : false; + ID3D11Texture2D **outputTexture = useLevelZeroTexture ? &mLevelZeroTexture : &mTexture; + + // if the size is not positive this should be treated as an incomplete texture + // we handle that here by skipping the d3d texture creation + if (*outputTexture == NULL && mTextureWidth > 0 && mTextureHeight > 0) + { + ASSERT(mMipLevels > 0); + + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_TEXTURE2D_DESC desc; + desc.Width = mTextureWidth; + desc.Height = mTextureHeight; + desc.MipLevels = mipLevels; + desc.ArraySize = CUBE_FACE_COUNT; + desc.Format = mTextureFormat; + desc.SampleDesc.Count = 1; + desc.SampleDesc.Quality = 0; + desc.Usage = D3D11_USAGE_DEFAULT; + desc.BindFlags = getBindFlags(); + desc.CPUAccessFlags = 0; + desc.MiscFlags = D3D11_RESOURCE_MISC_TEXTURECUBE; + + HRESULT result = device->CreateTexture2D(&desc, NULL, outputTexture); + + // this can happen from windows TDR + if (d3d11::isDeviceLostError(result)) + { + mRenderer->notifyDeviceLost(); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create cube texture storage, result: 0x%X.", result); + } + else if (FAILED(result)) + { + ASSERT(result == E_OUTOFMEMORY); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create cube texture storage, result: 0x%X.", result); + } + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_Cube::getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT) +{ + int faceIndex = index.layerIndex; + int level = index.mipIndex; + + ASSERT(level >= 0 && level < getLevelCount()); + ASSERT(faceIndex >= 0 && faceIndex < CUBE_FACE_COUNT); + + if (!mRenderTarget[faceIndex][level]) + { + ID3D11Device *device = mRenderer->getDevice(); + HRESULT result; + + ID3D11Resource *texture = NULL; + gl::Error error = getResource(&texture); + if (error.isError()) + { + return error; + } + + if (mUseLevelZeroTexture) + { + if (!mLevelZeroRenderTarget[faceIndex]) + { + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DARRAY; + rtvDesc.Texture2DArray.MipSlice = mTopLevel + level; + rtvDesc.Texture2DArray.FirstArraySlice = faceIndex; + rtvDesc.Texture2DArray.ArraySize = 1; + + ID3D11RenderTargetView *rtv; + result = device->CreateRenderTargetView(mLevelZeroTexture, &rtvDesc, &rtv); + + if (result == E_OUTOFMEMORY) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal render target view for texture storage, result: 0x%X.", result); + } + ASSERT(SUCCEEDED(result)); + + mLevelZeroRenderTarget[faceIndex] = new TextureRenderTarget11(rtv, mLevelZeroTexture, NULL, mInternalFormat, getLevelWidth(level), getLevelHeight(level), 1, 0); + + // RenderTarget will take ownership of these resources + SafeRelease(rtv); + } + + ASSERT(outRT); + *outRT = mLevelZeroRenderTarget[faceIndex]; + return gl::Error(GL_NO_ERROR); + } + + D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc; + srvDesc.Format = mShaderResourceFormat; + srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + level; + srvDesc.Texture2DArray.MipLevels = 1; + srvDesc.Texture2DArray.FirstArraySlice = faceIndex; + srvDesc.Texture2DArray.ArraySize = 1; + + if (mRenderer->getFeatureLevel() <= D3D_FEATURE_LEVEL_9_3) + { + srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBE; + } + else + { + srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY; // Will be used with Texture2D sampler, not TextureCube + } + + ID3D11ShaderResourceView *srv; + result = device->CreateShaderResourceView(texture, &srvDesc, &srv); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal shader resource view for texture storage, result: 0x%X.", result); + } + + if (mRenderTargetFormat != DXGI_FORMAT_UNKNOWN) + { + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DARRAY; + rtvDesc.Texture2DArray.MipSlice = mTopLevel + level; + rtvDesc.Texture2DArray.FirstArraySlice = faceIndex; + rtvDesc.Texture2DArray.ArraySize = 1; + + ID3D11RenderTargetView *rtv; + result = device->CreateRenderTargetView(texture, &rtvDesc, &rtv); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + SafeRelease(srv); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal render target view for texture storage, result: 0x%X.", result); + } + + mRenderTarget[faceIndex][level] = new TextureRenderTarget11(rtv, texture, srv, mInternalFormat, getLevelWidth(level), getLevelHeight(level), 1, 0); + + // RenderTarget will take ownership of these resources + SafeRelease(rtv); + SafeRelease(srv); + } + else if (mDepthStencilFormat != DXGI_FORMAT_UNKNOWN) + { + D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc; + dsvDesc.Format = mDepthStencilFormat; + dsvDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2DARRAY; + dsvDesc.Flags = 0; + dsvDesc.Texture2DArray.MipSlice = mTopLevel + level; + dsvDesc.Texture2DArray.FirstArraySlice = faceIndex; + dsvDesc.Texture2DArray.ArraySize = 1; + + ID3D11DepthStencilView *dsv; + result = device->CreateDepthStencilView(texture, &dsvDesc, &dsv); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + SafeRelease(srv); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal depth stencil view for texture storage, result: 0x%X.", result); + } + + mRenderTarget[faceIndex][level] = new TextureRenderTarget11(dsv, texture, srv, mInternalFormat, getLevelWidth(level), getLevelHeight(level), 1, 0); + + // RenderTarget will take ownership of these resources + SafeRelease(dsv); + SafeRelease(srv); + } + else + { + UNREACHABLE(); + } + } + + ASSERT(outRT); + *outRT = mRenderTarget[faceIndex][level]; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_Cube::createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture, + ID3D11ShaderResourceView **outSRV) const +{ + ASSERT(outSRV); + + D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc; + srvDesc.Format = format; + + // Unnormalized integer cube maps are not supported by DX11; we emulate them as an array of six 2D textures + const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(format); + if (dxgiFormatInfo.componentType == GL_INT || dxgiFormatInfo.componentType == GL_UNSIGNED_INT) + { + srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY; + srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + baseLevel; + srvDesc.Texture2DArray.MipLevels = 1; + srvDesc.Texture2DArray.FirstArraySlice = 0; + srvDesc.Texture2DArray.ArraySize = CUBE_FACE_COUNT; + } + else + { + srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBE; + srvDesc.TextureCube.MipLevels = mipLevels; + srvDesc.TextureCube.MostDetailedMip = mTopLevel + baseLevel; + } + + ID3D11Resource *srvTexture = texture; + + if (mRenderer->getWorkarounds().zeroMaxLodWorkaround) + { + ASSERT(mTopLevel == 0); + ASSERT(baseLevel == 0); + // This code also assumes that the incoming texture equals either mLevelZeroTexture or mTexture. + + if (mipLevels == 1 && mMipLevels > 1) + { + // We must use a SRV on the level-zero-only texture. + ASSERT(mLevelZeroTexture != NULL && texture == mLevelZeroTexture); + srvTexture = mLevelZeroTexture; + } + else + { + ASSERT(mipLevels == static_cast<int>(mMipLevels)); + ASSERT(mTexture != NULL && texture == mTexture); + srvTexture = mTexture; + } + } + + ID3D11Device *device = mRenderer->getDevice(); + HRESULT result = device->CreateShaderResourceView(srvTexture, &srvDesc, outSRV); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal texture storage SRV, result: 0x%X.", result); + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_Cube::getSwizzleTexture(ID3D11Resource **outTexture) +{ + ASSERT(outTexture); + + if (!mSwizzleTexture) + { + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_TEXTURE2D_DESC desc; + desc.Width = mTextureWidth; + desc.Height = mTextureHeight; + desc.MipLevels = mMipLevels; + desc.ArraySize = CUBE_FACE_COUNT; + desc.Format = mSwizzleTextureFormat; + desc.SampleDesc.Count = 1; + desc.SampleDesc.Quality = 0; + desc.Usage = D3D11_USAGE_DEFAULT; + desc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET; + desc.CPUAccessFlags = 0; + desc.MiscFlags = D3D11_RESOURCE_MISC_TEXTURECUBE; + + HRESULT result = device->CreateTexture2D(&desc, NULL, &mSwizzleTexture); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal swizzle texture, result: 0x%X.", result); + } + } + + *outTexture = mSwizzleTexture; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_Cube::getSwizzleRenderTarget(int mipLevel, ID3D11RenderTargetView **outRTV) +{ + ASSERT(mipLevel >= 0 && mipLevel < getLevelCount()); + ASSERT(outRTV); + + if (!mSwizzleRenderTargets[mipLevel]) + { + ID3D11Resource *swizzleTexture = NULL; + gl::Error error = getSwizzleTexture(&swizzleTexture); + if (error.isError()) + { + return error; + } + + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mSwizzleRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DARRAY; + rtvDesc.Texture2DArray.MipSlice = mTopLevel + mipLevel; + rtvDesc.Texture2DArray.FirstArraySlice = 0; + rtvDesc.Texture2DArray.ArraySize = CUBE_FACE_COUNT; + + HRESULT result = device->CreateRenderTargetView(mSwizzleTexture, &rtvDesc, &mSwizzleRenderTargets[mipLevel]); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal swizzle render target view, result: 0x%X.", result); + } + } + + *outRTV = mSwizzleRenderTargets[mipLevel]; + return gl::Error(GL_NO_ERROR); +} + +TextureStorage11_3D::TextureStorage11_3D(Renderer11 *renderer, GLenum internalformat, bool renderTarget, + GLsizei width, GLsizei height, GLsizei depth, int levels) + : TextureStorage11(renderer, GetTextureBindFlags(internalformat, renderer->getFeatureLevel(), renderTarget)) +{ + mTexture = NULL; + mSwizzleTexture = NULL; + + for (unsigned int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++) + { + mAssociatedImages[i] = NULL; + mLevelRenderTargets[i] = NULL; + mSwizzleRenderTargets[i] = NULL; + } + + mInternalFormat = internalformat; + + const d3d11::TextureFormat &formatInfo = d3d11::GetTextureFormatInfo(internalformat, renderer->getFeatureLevel()); + mTextureFormat = formatInfo.texFormat; + mShaderResourceFormat = formatInfo.srvFormat; + mDepthStencilFormat = formatInfo.dsvFormat; + mRenderTargetFormat = formatInfo.rtvFormat; + mSwizzleTextureFormat = formatInfo.swizzleTexFormat; + mSwizzleShaderResourceFormat = formatInfo.swizzleSRVFormat; + mSwizzleRenderTargetFormat = formatInfo.swizzleRTVFormat; + + // adjust size if needed for compressed textures + d3d11::MakeValidSize(false, mTextureFormat, &width, &height, &mTopLevel); + + mMipLevels = mTopLevel + levels; + mTextureWidth = width; + mTextureHeight = height; + mTextureDepth = depth; + + initializeSerials(getLevelCount() * depth, depth); +} + +TextureStorage11_3D::~TextureStorage11_3D() +{ + for (unsigned i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++) + { + if (mAssociatedImages[i] != NULL) + { + bool imageAssociationCorrect = mAssociatedImages[i]->isAssociatedStorageValid(this); + ASSERT(imageAssociationCorrect); + + if (imageAssociationCorrect) + { + // We must let the Images recover their data before we delete it from the TextureStorage. + mAssociatedImages[i]->recoverFromAssociatedStorage(); + } + } + } + + SafeRelease(mTexture); + SafeRelease(mSwizzleTexture); + + for (RenderTargetMap::iterator i = mLevelLayerRenderTargets.begin(); i != mLevelLayerRenderTargets.end(); i++) + { + SafeDelete(i->second); + } + mLevelLayerRenderTargets.clear(); + + for (unsigned int i = 0; i < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; i++) + { + SafeDelete(mLevelRenderTargets[i]); + SafeRelease(mSwizzleRenderTargets[i]); + } +} + +TextureStorage11_3D *TextureStorage11_3D::makeTextureStorage11_3D(TextureStorage *storage) +{ + ASSERT(HAS_DYNAMIC_TYPE(TextureStorage11_3D*, storage)); + return static_cast<TextureStorage11_3D*>(storage); +} + +void TextureStorage11_3D::associateImage(Image11* image, const gl::ImageIndex &index) +{ + GLint level = index.mipIndex; + + ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS); + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + mAssociatedImages[level] = image; + } +} + +bool TextureStorage11_3D::isAssociatedImageValid(const gl::ImageIndex &index, Image11* expectedImage) +{ + GLint level = index.mipIndex; + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + // This validation check should never return false. It means the Image/TextureStorage association is broken. + bool retValue = (mAssociatedImages[level] == expectedImage); + ASSERT(retValue); + return retValue; + } + + return false; +} + +// disassociateImage allows an Image to end its association with a Storage. +void TextureStorage11_3D::disassociateImage(const gl::ImageIndex &index, Image11* expectedImage) +{ + GLint level = index.mipIndex; + + ASSERT(0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS); + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + ASSERT(mAssociatedImages[level] == expectedImage); + + if (mAssociatedImages[level] == expectedImage) + { + mAssociatedImages[level] = NULL; + } + } +} + +// releaseAssociatedImage prepares the Storage for a new Image association. It lets the old Image recover its data before ending the association. +gl::Error TextureStorage11_3D::releaseAssociatedImage(const gl::ImageIndex &index, Image11* incomingImage) +{ + GLint level = index.mipIndex; + + ASSERT((0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS)); + + if (0 <= level && level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS) + { + // No need to let the old Image recover its data, if it is also the incoming Image. + if (mAssociatedImages[level] != NULL && mAssociatedImages[level] != incomingImage) + { + // Ensure that the Image is still associated with this TextureStorage. This should be true. + bool imageAssociationCorrect = mAssociatedImages[level]->isAssociatedStorageValid(this); + ASSERT(imageAssociationCorrect); + + if (imageAssociationCorrect) + { + // Force the image to recover from storage before its data is overwritten. + // This will reset mAssociatedImages[level] to NULL too. + gl::Error error = mAssociatedImages[level]->recoverFromAssociatedStorage(); + if (error.isError()) + { + return error; + } + } + } + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_3D::getResource(ID3D11Resource **outResource) +{ + // If the width, height or depth are not positive this should be treated as an incomplete texture + // we handle that here by skipping the d3d texture creation + if (mTexture == NULL && mTextureWidth > 0 && mTextureHeight > 0 && mTextureDepth > 0) + { + ASSERT(mMipLevels > 0); + + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_TEXTURE3D_DESC desc; + desc.Width = mTextureWidth; + desc.Height = mTextureHeight; + desc.Depth = mTextureDepth; + desc.MipLevels = mMipLevels; + desc.Format = mTextureFormat; + desc.Usage = D3D11_USAGE_DEFAULT; + desc.BindFlags = getBindFlags(); + desc.CPUAccessFlags = 0; + desc.MiscFlags = 0; + + HRESULT result = device->CreateTexture3D(&desc, NULL, &mTexture); + + // this can happen from windows TDR + if (d3d11::isDeviceLostError(result)) + { + mRenderer->notifyDeviceLost(); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create 3D texture storage, result: 0x%X.", result); + } + else if (FAILED(result)) + { + ASSERT(result == E_OUTOFMEMORY); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create 3D texture storage, result: 0x%X.", result); + } + } + + *outResource = mTexture; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_3D::createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture, + ID3D11ShaderResourceView **outSRV) const +{ + ASSERT(outSRV); + + D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc; + srvDesc.Format = format; + srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE3D; + srvDesc.Texture3D.MostDetailedMip = baseLevel; + srvDesc.Texture3D.MipLevels = mipLevels; + + ID3D11Device *device = mRenderer->getDevice(); + HRESULT result = device->CreateShaderResourceView(texture, &srvDesc, outSRV); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal texture storage SRV, result: 0x%X.", result); + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_3D::getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT) +{ + int mipLevel = index.mipIndex; + ASSERT(mipLevel >= 0 && mipLevel < getLevelCount()); + + ASSERT(mRenderTargetFormat != DXGI_FORMAT_UNKNOWN); + + if (!index.hasLayer()) + { + if (!mLevelRenderTargets[mipLevel]) + { + ID3D11Resource *texture = NULL; + gl::Error error = getResource(&texture); + if (error.isError()) + { + return error; + } + + ID3D11ShaderResourceView *srv = NULL; + error = getSRVLevel(mipLevel, &srv); + if (error.isError()) + { + return error; + } + + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE3D; + rtvDesc.Texture3D.MipSlice = mTopLevel + mipLevel; + rtvDesc.Texture3D.FirstWSlice = 0; + rtvDesc.Texture3D.WSize = static_cast<UINT>(-1); + + ID3D11RenderTargetView *rtv; + HRESULT result = device->CreateRenderTargetView(texture, &rtvDesc, &rtv); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + SafeRelease(srv); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal render target view for texture storage, result: 0x%X.", result); + } + + mLevelRenderTargets[mipLevel] = new TextureRenderTarget11(rtv, texture, srv, mInternalFormat, getLevelWidth(mipLevel), getLevelHeight(mipLevel), getLevelDepth(mipLevel), 0); + + // RenderTarget will take ownership of these resources + SafeRelease(rtv); + } + + ASSERT(outRT); + *outRT = mLevelRenderTargets[mipLevel]; + return gl::Error(GL_NO_ERROR); + } + else + { + int layer = index.layerIndex; + + LevelLayerKey key(mipLevel, layer); + if (mLevelLayerRenderTargets.find(key) == mLevelLayerRenderTargets.end()) + { + ID3D11Device *device = mRenderer->getDevice(); + HRESULT result; + + ID3D11Resource *texture = NULL; + gl::Error error = getResource(&texture); + if (error.isError()) + { + return error; + } + + // TODO, what kind of SRV is expected here? + ID3D11ShaderResourceView *srv = NULL; + + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE3D; + rtvDesc.Texture3D.MipSlice = mTopLevel + mipLevel; + rtvDesc.Texture3D.FirstWSlice = layer; + rtvDesc.Texture3D.WSize = 1; + + ID3D11RenderTargetView *rtv; + result = device->CreateRenderTargetView(texture, &rtvDesc, &rtv); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + SafeRelease(srv); return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal render target view for texture storage, result: 0x%X.", result); + } + ASSERT(SUCCEEDED(result)); + + mLevelLayerRenderTargets[key] = new TextureRenderTarget11(rtv, texture, srv, mInternalFormat, getLevelWidth(mipLevel), getLevelHeight(mipLevel), 1, 0); + + // RenderTarget will take ownership of these resources + SafeRelease(rtv); + } + + ASSERT(outRT); + *outRT = mLevelLayerRenderTargets[key]; + return gl::Error(GL_NO_ERROR); + } +} + +gl::Error TextureStorage11_3D::getSwizzleTexture(ID3D11Resource **outTexture) +{ + ASSERT(outTexture); + + if (!mSwizzleTexture) + { + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_TEXTURE3D_DESC desc; + desc.Width = mTextureWidth; + desc.Height = mTextureHeight; + desc.Depth = mTextureDepth; + desc.MipLevels = mMipLevels; + desc.Format = mSwizzleTextureFormat; + desc.Usage = D3D11_USAGE_DEFAULT; + desc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET; + desc.CPUAccessFlags = 0; + desc.MiscFlags = 0; + + HRESULT result = device->CreateTexture3D(&desc, NULL, &mSwizzleTexture); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal swizzle texture, result: 0x%X.", result); + } + } + + *outTexture = mSwizzleTexture; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_3D::getSwizzleRenderTarget(int mipLevel, ID3D11RenderTargetView **outRTV) +{ + ASSERT(mipLevel >= 0 && mipLevel < getLevelCount()); + ASSERT(outRTV); + + if (!mSwizzleRenderTargets[mipLevel]) + { + ID3D11Resource *swizzleTexture = NULL; + gl::Error error = getSwizzleTexture(&swizzleTexture); + if (error.isError()) + { + return error; + } + + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mSwizzleRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE3D; + rtvDesc.Texture3D.MipSlice = mTopLevel + mipLevel; + rtvDesc.Texture3D.FirstWSlice = 0; + rtvDesc.Texture3D.WSize = static_cast<UINT>(-1); + + HRESULT result = device->CreateRenderTargetView(mSwizzleTexture, &rtvDesc, &mSwizzleRenderTargets[mipLevel]); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal swizzle render target view, result: 0x%X.", result); + } + } + + *outRTV = mSwizzleRenderTargets[mipLevel]; + return gl::Error(GL_NO_ERROR); +} + +TextureStorage11_2DArray::TextureStorage11_2DArray(Renderer11 *renderer, GLenum internalformat, bool renderTarget, + GLsizei width, GLsizei height, GLsizei depth, int levels) + : TextureStorage11(renderer, GetTextureBindFlags(internalformat, renderer->getFeatureLevel(), renderTarget)) +{ + mTexture = NULL; + mSwizzleTexture = NULL; + + for (unsigned int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++) + { + mSwizzleRenderTargets[level] = NULL; + } + + mInternalFormat = internalformat; + + const d3d11::TextureFormat &formatInfo = d3d11::GetTextureFormatInfo(internalformat, renderer->getFeatureLevel()); + mTextureFormat = formatInfo.texFormat; + mShaderResourceFormat = formatInfo.srvFormat; + mDepthStencilFormat = formatInfo.dsvFormat; + mRenderTargetFormat = formatInfo.rtvFormat; + mSwizzleTextureFormat = formatInfo.swizzleTexFormat; + mSwizzleShaderResourceFormat = formatInfo.swizzleSRVFormat; + mSwizzleRenderTargetFormat = formatInfo.swizzleRTVFormat; + + // adjust size if needed for compressed textures + d3d11::MakeValidSize(false, mTextureFormat, &width, &height, &mTopLevel); + + mMipLevels = mTopLevel + levels; + mTextureWidth = width; + mTextureHeight = height; + mTextureDepth = depth; + + initializeSerials(getLevelCount() * depth, depth); +} + +TextureStorage11_2DArray::~TextureStorage11_2DArray() +{ + for (ImageMap::iterator i = mAssociatedImages.begin(); i != mAssociatedImages.end(); i++) + { + if (i->second) + { + bool imageAssociationCorrect = i->second->isAssociatedStorageValid(this); + ASSERT(imageAssociationCorrect); + + if (imageAssociationCorrect) + { + // We must let the Images recover their data before we delete it from the TextureStorage. + i->second->recoverFromAssociatedStorage(); + } + } + } + mAssociatedImages.clear(); + + SafeRelease(mTexture); + SafeRelease(mSwizzleTexture); + + for (unsigned int level = 0; level < gl::IMPLEMENTATION_MAX_TEXTURE_LEVELS; level++) + { + SafeRelease(mSwizzleRenderTargets[level]); + } + + for (RenderTargetMap::iterator i = mRenderTargets.begin(); i != mRenderTargets.end(); i++) + { + SafeDelete(i->second); + } + mRenderTargets.clear(); +} + +TextureStorage11_2DArray *TextureStorage11_2DArray::makeTextureStorage11_2DArray(TextureStorage *storage) +{ + ASSERT(HAS_DYNAMIC_TYPE(TextureStorage11_2DArray*, storage)); + return static_cast<TextureStorage11_2DArray*>(storage); +} + +void TextureStorage11_2DArray::associateImage(Image11* image, const gl::ImageIndex &index) +{ + GLint level = index.mipIndex; + GLint layerTarget = index.layerIndex; + + ASSERT(0 <= level && level < getLevelCount()); + + if (0 <= level && level < getLevelCount()) + { + LevelLayerKey key(level, layerTarget); + mAssociatedImages[key] = image; + } +} + +bool TextureStorage11_2DArray::isAssociatedImageValid(const gl::ImageIndex &index, Image11* expectedImage) +{ + GLint level = index.mipIndex; + GLint layerTarget = index.layerIndex; + + LevelLayerKey key(level, layerTarget); + + // This validation check should never return false. It means the Image/TextureStorage association is broken. + bool retValue = (mAssociatedImages.find(key) != mAssociatedImages.end() && (mAssociatedImages[key] == expectedImage)); + ASSERT(retValue); + return retValue; +} + +// disassociateImage allows an Image to end its association with a Storage. +void TextureStorage11_2DArray::disassociateImage(const gl::ImageIndex &index, Image11* expectedImage) +{ + GLint level = index.mipIndex; + GLint layerTarget = index.layerIndex; + + LevelLayerKey key(level, layerTarget); + + bool imageAssociationCorrect = (mAssociatedImages.find(key) != mAssociatedImages.end() && (mAssociatedImages[key] == expectedImage)); + ASSERT(imageAssociationCorrect); + + if (imageAssociationCorrect) + { + mAssociatedImages[key] = NULL; + } +} + +// releaseAssociatedImage prepares the Storage for a new Image association. It lets the old Image recover its data before ending the association. +gl::Error TextureStorage11_2DArray::releaseAssociatedImage(const gl::ImageIndex &index, Image11* incomingImage) +{ + GLint level = index.mipIndex; + GLint layerTarget = index.layerIndex; + + LevelLayerKey key(level, layerTarget); + + if (mAssociatedImages.find(key) != mAssociatedImages.end()) + { + if (mAssociatedImages[key] != NULL && mAssociatedImages[key] != incomingImage) + { + // Ensure that the Image is still associated with this TextureStorage. This should be true. + bool imageAssociationCorrect = mAssociatedImages[key]->isAssociatedStorageValid(this); + ASSERT(imageAssociationCorrect); + + if (imageAssociationCorrect) + { + // Force the image to recover from storage before its data is overwritten. + // This will reset mAssociatedImages[level] to NULL too. + gl::Error error = mAssociatedImages[key]->recoverFromAssociatedStorage(); + if (error.isError()) + { + return error; + } + } + } + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2DArray::getResource(ID3D11Resource **outResource) +{ + // if the width, height or depth is not positive this should be treated as an incomplete texture + // we handle that here by skipping the d3d texture creation + if (mTexture == NULL && mTextureWidth > 0 && mTextureHeight > 0 && mTextureDepth > 0) + { + ASSERT(mMipLevels > 0); + + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_TEXTURE2D_DESC desc; + desc.Width = mTextureWidth; + desc.Height = mTextureHeight; + desc.MipLevels = mMipLevels; + desc.ArraySize = mTextureDepth; + desc.Format = mTextureFormat; + desc.SampleDesc.Count = 1; + desc.SampleDesc.Quality = 0; + desc.Usage = D3D11_USAGE_DEFAULT; + desc.BindFlags = getBindFlags(); + desc.CPUAccessFlags = 0; + desc.MiscFlags = 0; + + HRESULT result = device->CreateTexture2D(&desc, NULL, &mTexture); + + // this can happen from windows TDR + if (d3d11::isDeviceLostError(result)) + { + mRenderer->notifyDeviceLost(); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create 2D array texture storage, result: 0x%X.", result); + } + else if (FAILED(result)) + { + ASSERT(result == E_OUTOFMEMORY); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create 2D array texture storage, result: 0x%X.", result); + } + } + + *outResource = mTexture; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2DArray::createSRV(int baseLevel, int mipLevels, DXGI_FORMAT format, ID3D11Resource *texture, + ID3D11ShaderResourceView **outSRV) const +{ + D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc; + srvDesc.Format = format; + srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY; + srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + baseLevel; + srvDesc.Texture2DArray.MipLevels = mipLevels; + srvDesc.Texture2DArray.FirstArraySlice = 0; + srvDesc.Texture2DArray.ArraySize = mTextureDepth; + + ID3D11Device *device = mRenderer->getDevice(); + HRESULT result = device->CreateShaderResourceView(texture, &srvDesc, outSRV); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal texture storage SRV, result: 0x%X.", result); + } + + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2DArray::getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT) +{ + ASSERT(index.hasLayer()); + + int mipLevel = index.mipIndex; + int layer = index.layerIndex; + + ASSERT(mipLevel >= 0 && mipLevel < getLevelCount()); + + LevelLayerKey key(mipLevel, layer); + if (mRenderTargets.find(key) == mRenderTargets.end()) + { + ID3D11Device *device = mRenderer->getDevice(); + HRESULT result; + + ID3D11Resource *texture = NULL; + gl::Error error = getResource(&texture); + if (error.isError()) + { + return error; + } + + D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc; + srvDesc.Format = mShaderResourceFormat; + srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY; + srvDesc.Texture2DArray.MostDetailedMip = mTopLevel + mipLevel; + srvDesc.Texture2DArray.MipLevels = 1; + srvDesc.Texture2DArray.FirstArraySlice = layer; + srvDesc.Texture2DArray.ArraySize = 1; + + ID3D11ShaderResourceView *srv; + result = device->CreateShaderResourceView(texture, &srvDesc, &srv); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal shader resource view for texture storage, result: 0x%X.", result); + } + + if (mRenderTargetFormat != DXGI_FORMAT_UNKNOWN) + { + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DARRAY; + rtvDesc.Texture2DArray.MipSlice = mTopLevel + mipLevel; + rtvDesc.Texture2DArray.FirstArraySlice = layer; + rtvDesc.Texture2DArray.ArraySize = 1; + + ID3D11RenderTargetView *rtv; + result = device->CreateRenderTargetView(texture, &rtvDesc, &rtv); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + SafeRelease(srv); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal render target view for texture storage, result: 0x%X.", result); + } + + mRenderTargets[key] = new TextureRenderTarget11(rtv, texture, srv, mInternalFormat, getLevelWidth(mipLevel), getLevelHeight(mipLevel), 1, 0); + + // RenderTarget will take ownership of these resources + SafeRelease(rtv); + SafeRelease(srv); + } + else + { + UNREACHABLE(); + } + } + + ASSERT(outRT); + *outRT = mRenderTargets[key]; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2DArray::getSwizzleTexture(ID3D11Resource **outTexture) +{ + if (!mSwizzleTexture) + { + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_TEXTURE2D_DESC desc; + desc.Width = mTextureWidth; + desc.Height = mTextureHeight; + desc.MipLevels = mMipLevels; + desc.ArraySize = mTextureDepth; + desc.Format = mSwizzleTextureFormat; + desc.SampleDesc.Count = 1; + desc.SampleDesc.Quality = 0; + desc.Usage = D3D11_USAGE_DEFAULT; + desc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET; + desc.CPUAccessFlags = 0; + desc.MiscFlags = 0; + + HRESULT result = device->CreateTexture2D(&desc, NULL, &mSwizzleTexture); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal swizzle texture, result: 0x%X.", result); + } + } + + *outTexture = mSwizzleTexture; + return gl::Error(GL_NO_ERROR); +} + +gl::Error TextureStorage11_2DArray::getSwizzleRenderTarget(int mipLevel, ID3D11RenderTargetView **outRTV) +{ + ASSERT(mipLevel >= 0 && mipLevel < getLevelCount()); + ASSERT(outRTV); + + if (!mSwizzleRenderTargets[mipLevel]) + { + ID3D11Resource *swizzleTexture = NULL; + gl::Error error = getSwizzleTexture(&swizzleTexture); + if (error.isError()) + { + return error; + } + + ID3D11Device *device = mRenderer->getDevice(); + + D3D11_RENDER_TARGET_VIEW_DESC rtvDesc; + rtvDesc.Format = mSwizzleRenderTargetFormat; + rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DARRAY; + rtvDesc.Texture2DArray.MipSlice = mTopLevel + mipLevel; + rtvDesc.Texture2DArray.FirstArraySlice = 0; + rtvDesc.Texture2DArray.ArraySize = mTextureDepth; + + HRESULT result = device->CreateRenderTargetView(mSwizzleTexture, &rtvDesc, &mSwizzleRenderTargets[mipLevel]); + + ASSERT(result == E_OUTOFMEMORY || SUCCEEDED(result)); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal swizzle render target view, result: 0x%X.", result); + } + } + + *outRTV = mSwizzleRenderTargets[mipLevel]; + return gl::Error(GL_NO_ERROR); +} + +} |