| // |
| // Copyright (c) 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. |
| // |
| |
| // Image11.h: Implements the rx::Image11 class, which acts as the interface to |
| // the actual underlying resources of a Texture |
| |
| #include "libANGLE/renderer/d3d/d3d11/Renderer11.h" |
| #include "libANGLE/renderer/d3d/d3d11/Image11.h" |
| #include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h" |
| #include "libANGLE/renderer/d3d/d3d11/TextureStorage11.h" |
| #include "libANGLE/renderer/d3d/d3d11/formatutils11.h" |
| #include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h" |
| #include "libANGLE/Framebuffer.h" |
| #include "libANGLE/FramebufferAttachment.h" |
| #include "libANGLE/formatutils.h" |
| |
| #include "common/utilities.h" |
| |
| namespace rx |
| { |
| |
| Image11::Image11(Renderer11 *renderer) |
| : mRenderer(renderer), |
| mDXGIFormat(DXGI_FORMAT_UNKNOWN), |
| mStagingTexture(NULL), |
| mStagingSubresource(0), |
| mRecoverFromStorage(false), |
| mAssociatedStorage(NULL), |
| mAssociatedImageIndex(gl::ImageIndex::MakeInvalid()), |
| mRecoveredFromStorageCount(0) |
| { |
| } |
| |
| Image11::~Image11() |
| { |
| disassociateStorage(); |
| releaseStagingTexture(); |
| } |
| |
| gl::Error Image11::generateMipmap(Image11 *dest, Image11 *src) |
| { |
| ASSERT(src->getDXGIFormat() == dest->getDXGIFormat()); |
| ASSERT(src->getWidth() == 1 || src->getWidth() / 2 == dest->getWidth()); |
| ASSERT(src->getHeight() == 1 || src->getHeight() / 2 == dest->getHeight()); |
| |
| const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(src->getDXGIFormat()); |
| ASSERT(dxgiFormatInfo.mipGenerationFunction != NULL); |
| |
| D3D11_MAPPED_SUBRESOURCE destMapped; |
| gl::Error error = dest->map(D3D11_MAP_WRITE, &destMapped); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| D3D11_MAPPED_SUBRESOURCE srcMapped; |
| error = src->map(D3D11_MAP_READ, &srcMapped); |
| if (error.isError()) |
| { |
| dest->unmap(); |
| return error; |
| } |
| |
| const uint8_t *sourceData = reinterpret_cast<const uint8_t*>(srcMapped.pData); |
| uint8_t *destData = reinterpret_cast<uint8_t*>(destMapped.pData); |
| |
| dxgiFormatInfo.mipGenerationFunction(src->getWidth(), src->getHeight(), src->getDepth(), |
| sourceData, srcMapped.RowPitch, srcMapped.DepthPitch, |
| destData, destMapped.RowPitch, destMapped.DepthPitch); |
| |
| dest->unmap(); |
| src->unmap(); |
| |
| dest->markDirty(); |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| bool Image11::isDirty() const |
| { |
| // If mDirty is true |
| // AND mStagingTexture doesn't exist AND mStagingTexture doesn't need to be recovered from TextureStorage |
| // AND the texture doesn't require init data (i.e. a blank new texture will suffice) |
| // then isDirty should still return false. |
| if (mDirty && !mStagingTexture && !mRecoverFromStorage) |
| { |
| const Renderer11DeviceCaps &deviceCaps = mRenderer->getRenderer11DeviceCaps(); |
| const d3d11::TextureFormat formatInfo = d3d11::GetTextureFormatInfo(mInternalFormat, deviceCaps); |
| if (formatInfo.dataInitializerFunction == nullptr) |
| { |
| return false; |
| } |
| } |
| |
| return mDirty; |
| } |
| |
| gl::Error Image11::copyToStorage(TextureStorage *storage, const gl::ImageIndex &index, const gl::Box ®ion) |
| { |
| TextureStorage11 *storage11 = GetAs<TextureStorage11>(storage); |
| |
| // If an app's behavior results in an Image11 copying its data to/from to a TextureStorage multiple times, |
| // then we should just keep the staging texture around to prevent the copying from impacting perf. |
| // We allow the Image11 to copy its data to/from TextureStorage once. |
| // This accounts for an app making a late call to glGenerateMipmap. |
| bool attemptToReleaseStagingTexture = (mRecoveredFromStorageCount < 2); |
| |
| if (attemptToReleaseStagingTexture) |
| { |
| // If another image is relying on this Storage for its data, then we must let it recover its data before we overwrite it. |
| gl::Error error = storage11->releaseAssociatedImage(index, this); |
| if (error.isError()) |
| { |
| return error; |
| } |
| } |
| |
| ID3D11Resource *stagingTexture = NULL; |
| unsigned int stagingSubresourceIndex = 0; |
| gl::Error error = getStagingTexture(&stagingTexture, &stagingSubresourceIndex); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| error = storage11->updateSubresourceLevel(stagingTexture, stagingSubresourceIndex, index, region); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| // Once the image data has been copied into the Storage, we can release it locally. |
| if (attemptToReleaseStagingTexture) |
| { |
| storage11->associateImage(this, index); |
| releaseStagingTexture(); |
| mRecoverFromStorage = true; |
| mAssociatedStorage = storage11; |
| mAssociatedImageIndex = index; |
| } |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| bool Image11::isAssociatedStorageValid(TextureStorage11* textureStorage) const |
| { |
| return (mAssociatedStorage == textureStorage); |
| } |
| |
| gl::Error Image11::recoverFromAssociatedStorage() |
| { |
| if (mRecoverFromStorage) |
| { |
| gl::Error error = createStagingTexture(); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| bool textureStorageCorrect = mAssociatedStorage->isAssociatedImageValid(mAssociatedImageIndex, this); |
| |
| // This means that the cached TextureStorage has been modified after this Image11 released its copy of its data. |
| // This should not have happened. The TextureStorage should have told this Image11 to recover its data before it was overwritten. |
| ASSERT(textureStorageCorrect); |
| |
| if (textureStorageCorrect) |
| { |
| // CopySubResource from the Storage to the Staging texture |
| gl::Box region(0, 0, 0, mWidth, mHeight, mDepth); |
| error = mAssociatedStorage->copySubresourceLevel(mStagingTexture, mStagingSubresource, mAssociatedImageIndex, region); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| mRecoveredFromStorageCount += 1; |
| } |
| |
| // Reset all the recovery parameters, even if the texture storage association is broken. |
| disassociateStorage(); |
| } |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| void Image11::disassociateStorage() |
| { |
| if (mRecoverFromStorage) |
| { |
| // Make the texturestorage release the Image11 too |
| mAssociatedStorage->disassociateImage(mAssociatedImageIndex, this); |
| |
| mRecoverFromStorage = false; |
| mAssociatedStorage = NULL; |
| mAssociatedImageIndex = gl::ImageIndex::MakeInvalid(); |
| } |
| } |
| |
| bool Image11::redefine(GLenum target, GLenum internalformat, const gl::Extents &size, bool forceRelease) |
| { |
| if (mWidth != size.width || |
| mHeight != size.height || |
| mInternalFormat != internalformat || |
| forceRelease) |
| { |
| // End the association with the TextureStorage, since that data will be out of date. |
| // Also reset mRecoveredFromStorageCount since this Image is getting completely redefined. |
| disassociateStorage(); |
| mRecoveredFromStorageCount = 0; |
| |
| mWidth = size.width; |
| mHeight = size.height; |
| mDepth = size.depth; |
| mInternalFormat = internalformat; |
| mTarget = target; |
| |
| // compute the d3d format that will be used |
| const d3d11::TextureFormat &formatInfo = d3d11::GetTextureFormatInfo(internalformat, mRenderer->getRenderer11DeviceCaps()); |
| mDXGIFormat = formatInfo.texFormat; |
| mRenderable = (formatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN); |
| |
| releaseStagingTexture(); |
| mDirty = (formatInfo.dataInitializerFunction != NULL); |
| |
| return true; |
| } |
| |
| return false; |
| } |
| |
| DXGI_FORMAT Image11::getDXGIFormat() const |
| { |
| // this should only happen if the image hasn't been redefined first |
| // which would be a bug by the caller |
| ASSERT(mDXGIFormat != DXGI_FORMAT_UNKNOWN); |
| |
| return mDXGIFormat; |
| } |
| |
| // Store the pixel rectangle designated by xoffset,yoffset,width,height with pixels stored as format/type at input |
| // into the target pixel rectangle. |
| gl::Error Image11::loadData(const gl::Box &area, const gl::PixelUnpackState &unpack, GLenum type, const void *input) |
| { |
| const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(mInternalFormat); |
| GLsizei inputRowPitch = formatInfo.computeRowPitch(type, area.width, unpack.alignment, unpack.rowLength); |
| GLsizei inputDepthPitch = formatInfo.computeDepthPitch(type, area.width, area.height, unpack.alignment, unpack.rowLength); |
| |
| const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(mDXGIFormat); |
| GLuint outputPixelSize = dxgiFormatInfo.pixelBytes; |
| |
| const d3d11::TextureFormat &d3dFormatInfo = d3d11::GetTextureFormatInfo(mInternalFormat, mRenderer->getRenderer11DeviceCaps()); |
| LoadImageFunction loadFunction = d3dFormatInfo.loadFunctions.at(type); |
| |
| D3D11_MAPPED_SUBRESOURCE mappedImage; |
| gl::Error error = map(D3D11_MAP_WRITE, &mappedImage); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| uint8_t *offsetMappedData = (reinterpret_cast<uint8_t*>(mappedImage.pData) + (area.y * mappedImage.RowPitch + area.x * outputPixelSize + area.z * mappedImage.DepthPitch)); |
| loadFunction(area.width, area.height, area.depth, |
| reinterpret_cast<const uint8_t*>(input), inputRowPitch, inputDepthPitch, |
| offsetMappedData, mappedImage.RowPitch, mappedImage.DepthPitch); |
| |
| unmap(); |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| gl::Error Image11::loadCompressedData(const gl::Box &area, const void *input) |
| { |
| const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(mInternalFormat); |
| GLsizei inputRowPitch = formatInfo.computeRowPitch(GL_UNSIGNED_BYTE, area.width, 1, 0); |
| GLsizei inputDepthPitch = formatInfo.computeDepthPitch(GL_UNSIGNED_BYTE, area.width, area.height, 1, 0); |
| |
| const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(mDXGIFormat); |
| GLuint outputPixelSize = dxgiFormatInfo.pixelBytes; |
| GLuint outputBlockWidth = dxgiFormatInfo.blockWidth; |
| GLuint outputBlockHeight = dxgiFormatInfo.blockHeight; |
| |
| ASSERT(area.x % outputBlockWidth == 0); |
| ASSERT(area.y % outputBlockHeight == 0); |
| |
| const d3d11::TextureFormat &d3dFormatInfo = d3d11::GetTextureFormatInfo(mInternalFormat, mRenderer->getRenderer11DeviceCaps()); |
| LoadImageFunction loadFunction = d3dFormatInfo.loadFunctions.at(GL_UNSIGNED_BYTE); |
| |
| D3D11_MAPPED_SUBRESOURCE mappedImage; |
| gl::Error error = map(D3D11_MAP_WRITE, &mappedImage); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| uint8_t* offsetMappedData = reinterpret_cast<uint8_t*>(mappedImage.pData) + ((area.y / outputBlockHeight) * mappedImage.RowPitch + |
| (area.x / outputBlockWidth) * outputPixelSize + |
| area.z * mappedImage.DepthPitch); |
| |
| loadFunction(area.width, area.height, area.depth, |
| reinterpret_cast<const uint8_t*>(input), inputRowPitch, inputDepthPitch, |
| offsetMappedData, mappedImage.RowPitch, mappedImage.DepthPitch); |
| |
| unmap(); |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| gl::Error Image11::copy(const gl::Offset &destOffset, const gl::Rectangle &sourceArea, RenderTargetD3D *source) |
| { |
| RenderTarget11 *sourceRenderTarget = GetAs<RenderTarget11>(source); |
| ASSERT(sourceRenderTarget->getTexture()); |
| |
| ID3D11Resource *resource = sourceRenderTarget->getTexture(); |
| UINT subresourceIndex = sourceRenderTarget->getSubresourceIndex(); |
| |
| gl::Box sourceBox(sourceArea.x, sourceArea.y, 0, sourceArea.width, sourceArea.height, 1); |
| gl::Error error = copy(destOffset, sourceBox, resource, subresourceIndex); |
| |
| SafeRelease(resource); |
| |
| return error; |
| } |
| |
| gl::Error Image11::copy(const gl::Offset &destOffset, const gl::Box &sourceArea, const gl::ImageIndex &sourceIndex, TextureStorage *source) |
| { |
| TextureStorage11 *sourceStorage11 = GetAs<TextureStorage11>(source); |
| |
| UINT subresourceIndex = sourceStorage11->getSubresourceIndex(sourceIndex); |
| ID3D11Resource *resource = NULL; |
| gl::Error error = sourceStorage11->getResource(&resource); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| error = copy(destOffset, sourceArea, resource, subresourceIndex); |
| |
| SafeRelease(resource); |
| |
| return error; |
| } |
| |
| gl::Error Image11::copy(const gl::Offset &destOffset, const gl::Box &sourceArea, ID3D11Resource *source, UINT sourceSubResource) |
| { |
| D3D11_RESOURCE_DIMENSION dim; |
| source->GetType(&dim); |
| |
| DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN; |
| gl::Extents extents; |
| UINT sampleCount = 0; |
| |
| ID3D11Texture2D *source2D = NULL; |
| |
| if (dim == D3D11_RESOURCE_DIMENSION_TEXTURE2D) |
| { |
| D3D11_TEXTURE2D_DESC textureDesc2D; |
| source2D = d3d11::DynamicCastComObject<ID3D11Texture2D>(source); |
| ASSERT(source2D); |
| source2D->GetDesc(&textureDesc2D); |
| |
| format = textureDesc2D.Format; |
| extents = gl::Extents(textureDesc2D.Width, textureDesc2D.Height, 1); |
| sampleCount = textureDesc2D.SampleDesc.Count; |
| } |
| else if (dim == D3D11_RESOURCE_DIMENSION_TEXTURE3D) |
| { |
| D3D11_TEXTURE3D_DESC textureDesc3D; |
| ID3D11Texture3D *source3D = d3d11::DynamicCastComObject<ID3D11Texture3D>(source); |
| ASSERT(source3D); |
| source3D->GetDesc(&textureDesc3D); |
| |
| format = textureDesc3D.Format; |
| extents = gl::Extents(textureDesc3D.Width, textureDesc3D.Height, textureDesc3D.Depth); |
| sampleCount = 1; |
| } |
| else |
| { |
| UNREACHABLE(); |
| } |
| |
| if (format == mDXGIFormat) |
| { |
| // No conversion needed-- use copyback fastpath |
| ID3D11Resource *stagingTexture = NULL; |
| unsigned int stagingSubresourceIndex = 0; |
| gl::Error error = getStagingTexture(&stagingTexture, &stagingSubresourceIndex); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| ID3D11Device *device = mRenderer->getDevice(); |
| ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext(); |
| |
| UINT subresourceAfterResolve = sourceSubResource; |
| |
| ID3D11Resource *srcTex = NULL; |
| |
| bool needResolve = (dim == D3D11_RESOURCE_DIMENSION_TEXTURE2D && sampleCount > 1); |
| |
| if (needResolve) |
| { |
| D3D11_TEXTURE2D_DESC resolveDesc; |
| resolveDesc.Width = extents.width; |
| resolveDesc.Height = extents.height; |
| resolveDesc.MipLevels = 1; |
| resolveDesc.ArraySize = 1; |
| resolveDesc.Format = format; |
| resolveDesc.SampleDesc.Count = 1; |
| resolveDesc.SampleDesc.Quality = 0; |
| resolveDesc.Usage = D3D11_USAGE_DEFAULT; |
| resolveDesc.BindFlags = 0; |
| resolveDesc.CPUAccessFlags = 0; |
| resolveDesc.MiscFlags = 0; |
| |
| ID3D11Texture2D *srcTex2D = NULL; |
| HRESULT result = device->CreateTexture2D(&resolveDesc, NULL, &srcTex2D); |
| if (FAILED(result)) |
| { |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to create resolve texture for Image11::copy, HRESULT: 0x%X.", result); |
| } |
| srcTex = srcTex2D; |
| |
| deviceContext->ResolveSubresource(srcTex, 0, source, sourceSubResource, format); |
| subresourceAfterResolve = 0; |
| } |
| else |
| { |
| srcTex = source; |
| } |
| |
| D3D11_BOX srcBox; |
| srcBox.left = sourceArea.x; |
| srcBox.right = sourceArea.x + sourceArea.width; |
| srcBox.top = sourceArea.y; |
| srcBox.bottom = sourceArea.y + sourceArea.height; |
| srcBox.front = sourceArea.z; |
| srcBox.back = sourceArea.z + sourceArea.depth; |
| |
| deviceContext->CopySubresourceRegion(stagingTexture, stagingSubresourceIndex, destOffset.x, destOffset.y, |
| destOffset.z, srcTex, subresourceAfterResolve, &srcBox); |
| |
| if (needResolve) |
| { |
| SafeRelease(srcTex); |
| } |
| } |
| else |
| { |
| // This format requires conversion, so we must copy the texture to staging and manually convert via readPixels |
| D3D11_MAPPED_SUBRESOURCE mappedImage; |
| gl::Error error = map(D3D11_MAP_WRITE, &mappedImage); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| // determine the offset coordinate into the destination buffer |
| const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(mDXGIFormat); |
| GLsizei rowOffset = dxgiFormatInfo.pixelBytes * destOffset.x; |
| uint8_t *dataOffset = static_cast<uint8_t*>(mappedImage.pData) + mappedImage.RowPitch * destOffset.y + rowOffset + destOffset.z * mappedImage.DepthPitch; |
| |
| const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(mInternalFormat); |
| |
| // Currently in ANGLE, the source data may only need to be converted if the source is the current framebuffer |
| // and OpenGL ES framebuffers must be 2D textures therefore we should not need to convert 3D textures between different formats. |
| ASSERT(dim == D3D11_RESOURCE_DIMENSION_TEXTURE2D); |
| ASSERT(sourceArea.z == 0 && sourceArea.depth == 1); |
| gl::Rectangle sourceRect(sourceArea.x, sourceArea.y, sourceArea.width, sourceArea.height); |
| error = mRenderer->readTextureData(source2D, sourceSubResource, sourceRect, formatInfo.format, formatInfo.type, mappedImage.RowPitch, gl::PixelPackState(), dataOffset); |
| |
| unmap(); |
| |
| if (error.isError()) |
| { |
| return error; |
| } |
| } |
| |
| mDirty = true; |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| gl::Error Image11::getStagingTexture(ID3D11Resource **outStagingTexture, unsigned int *outSubresourceIndex) |
| { |
| gl::Error error = createStagingTexture(); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| *outStagingTexture = mStagingTexture; |
| *outSubresourceIndex = mStagingSubresource; |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| void Image11::releaseStagingTexture() |
| { |
| SafeRelease(mStagingTexture); |
| } |
| |
| gl::Error Image11::createStagingTexture() |
| { |
| if (mStagingTexture) |
| { |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| ASSERT(mWidth > 0 && mHeight > 0 && mDepth > 0); |
| |
| const DXGI_FORMAT dxgiFormat = getDXGIFormat(); |
| |
| ID3D11Device *device = mRenderer->getDevice(); |
| HRESULT result; |
| |
| int lodOffset = 1; |
| GLsizei width = mWidth; |
| GLsizei height = mHeight; |
| |
| // adjust size if needed for compressed textures |
| d3d11::MakeValidSize(false, dxgiFormat, &width, &height, &lodOffset); |
| |
| if (mTarget == GL_TEXTURE_3D) |
| { |
| ID3D11Texture3D *newTexture = NULL; |
| |
| D3D11_TEXTURE3D_DESC desc; |
| desc.Width = width; |
| desc.Height = height; |
| desc.Depth = mDepth; |
| desc.MipLevels = lodOffset + 1; |
| desc.Format = dxgiFormat; |
| desc.Usage = D3D11_USAGE_STAGING; |
| desc.BindFlags = 0; |
| desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE; |
| desc.MiscFlags = 0; |
| |
| if (d3d11::GetTextureFormatInfo(mInternalFormat, mRenderer->getRenderer11DeviceCaps()).dataInitializerFunction != NULL) |
| { |
| std::vector<D3D11_SUBRESOURCE_DATA> initialData; |
| std::vector< std::vector<BYTE> > textureData; |
| d3d11::GenerateInitialTextureData(mInternalFormat, mRenderer->getRenderer11DeviceCaps(), width, height, mDepth, |
| lodOffset + 1, &initialData, &textureData); |
| |
| result = device->CreateTexture3D(&desc, initialData.data(), &newTexture); |
| } |
| else |
| { |
| result = device->CreateTexture3D(&desc, NULL, &newTexture); |
| } |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == E_OUTOFMEMORY); |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to create staging texture, result: 0x%X.", result); |
| } |
| |
| mStagingTexture = newTexture; |
| mStagingSubresource = D3D11CalcSubresource(lodOffset, 0, lodOffset + 1); |
| } |
| else if (mTarget == GL_TEXTURE_2D || mTarget == GL_TEXTURE_2D_ARRAY || mTarget == GL_TEXTURE_CUBE_MAP) |
| { |
| ID3D11Texture2D *newTexture = NULL; |
| |
| D3D11_TEXTURE2D_DESC desc; |
| desc.Width = width; |
| desc.Height = height; |
| desc.MipLevels = lodOffset + 1; |
| desc.ArraySize = 1; |
| desc.Format = dxgiFormat; |
| desc.SampleDesc.Count = 1; |
| desc.SampleDesc.Quality = 0; |
| desc.Usage = D3D11_USAGE_STAGING; |
| desc.BindFlags = 0; |
| desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE; |
| desc.MiscFlags = 0; |
| |
| if (d3d11::GetTextureFormatInfo(mInternalFormat, mRenderer->getRenderer11DeviceCaps()).dataInitializerFunction != NULL) |
| { |
| std::vector<D3D11_SUBRESOURCE_DATA> initialData; |
| std::vector< std::vector<BYTE> > textureData; |
| d3d11::GenerateInitialTextureData(mInternalFormat, mRenderer->getRenderer11DeviceCaps(), width, height, 1, |
| lodOffset + 1, &initialData, &textureData); |
| |
| result = device->CreateTexture2D(&desc, initialData.data(), &newTexture); |
| } |
| else |
| { |
| result = device->CreateTexture2D(&desc, NULL, &newTexture); |
| } |
| |
| if (FAILED(result)) |
| { |
| ASSERT(result == E_OUTOFMEMORY); |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to create staging texture, result: 0x%X.", result); |
| } |
| |
| mStagingTexture = newTexture; |
| mStagingSubresource = D3D11CalcSubresource(lodOffset, 0, lodOffset + 1); |
| } |
| else |
| { |
| UNREACHABLE(); |
| } |
| |
| mDirty = false; |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| gl::Error Image11::map(D3D11_MAP mapType, D3D11_MAPPED_SUBRESOURCE *map) |
| { |
| // We must recover from the TextureStorage if necessary, even for D3D11_MAP_WRITE. |
| gl::Error error = recoverFromAssociatedStorage(); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| ID3D11Resource *stagingTexture = NULL; |
| unsigned int subresourceIndex = 0; |
| error = getStagingTexture(&stagingTexture, &subresourceIndex); |
| if (error.isError()) |
| { |
| return error; |
| } |
| |
| ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext(); |
| |
| ASSERT(mStagingTexture); |
| HRESULT result = deviceContext->Map(stagingTexture, subresourceIndex, mapType, 0, map); |
| |
| if (FAILED(result)) |
| { |
| // this can fail if the device is removed (from TDR) |
| if (d3d11::isDeviceLostError(result)) |
| { |
| mRenderer->notifyDeviceLost(); |
| } |
| return gl::Error(GL_OUT_OF_MEMORY, "Failed to map staging texture, result: 0x%X.", result); |
| } |
| |
| mDirty = true; |
| |
| return gl::Error(GL_NO_ERROR); |
| } |
| |
| void Image11::unmap() |
| { |
| if (mStagingTexture) |
| { |
| ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext(); |
| deviceContext->Unmap(mStagingTexture, mStagingSubresource); |
| } |
| } |
| |
| } |