| #include "precompiled.h" |
| // |
| // Copyright (c) 2013-2014 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. |
| // |
| |
| // BufferStorage11.cpp Defines the BufferStorage11 class. |
| |
| #include "libGLESv2/renderer/d3d11/BufferStorage11.h" |
| #include "libGLESv2/main.h" |
| #include "libGLESv2/renderer/d3d11/Renderer11.h" |
| #include "libGLESv2/renderer/d3d11/formatutils11.h" |
| #include "libGLESv2/Buffer.h" |
| |
| namespace rx |
| { |
| |
| PackPixelsParams::PackPixelsParams() |
| : format(GL_NONE), |
| type(GL_NONE), |
| outputPitch(0), |
| packBuffer(NULL), |
| offset(0) |
| {} |
| |
| PackPixelsParams::PackPixelsParams(const gl::Rectangle &areaIn, GLenum formatIn, GLenum typeIn, GLuint outputPitchIn, |
| const gl::PixelPackState &packIn, ptrdiff_t offsetIn) |
| : area(areaIn), |
| format(formatIn), |
| type(typeIn), |
| outputPitch(outputPitchIn), |
| packBuffer(packIn.pixelBuffer.get()), |
| pack(packIn.alignment, packIn.reverseRowOrder), |
| offset(offsetIn) |
| {} |
| |
| namespace gl_d3d11 |
| { |
| |
| D3D11_MAP GetD3DMapTypeFromBits(GLbitfield access) |
| { |
| bool readBit = ((access & GL_MAP_READ_BIT) != 0); |
| bool writeBit = ((access & GL_MAP_WRITE_BIT) != 0); |
| |
| ASSERT(readBit || writeBit); |
| |
| // Note : we ignore the discard bit, because in D3D11, staging buffers |
| // don't accept the map-discard flag (discard only works for DYNAMIC usage) |
| |
| if (readBit && !writeBit) |
| { |
| return D3D11_MAP_READ; |
| } |
| else if (writeBit && !readBit) |
| { |
| return D3D11_MAP_WRITE; |
| } |
| else if (writeBit && readBit) |
| { |
| return D3D11_MAP_READ_WRITE; |
| } |
| else |
| { |
| UNREACHABLE(); |
| return D3D11_MAP_READ; |
| } |
| } |
| |
| } |
| |
| // Each instance of BufferStorageD3DBuffer11 is specialized for a class of D3D binding points |
| // - vertex/transform feedback buffers |
| // - index buffers |
| // - pixel unpack buffers |
| // - uniform buffers |
| class BufferStorage11::TypedBufferStorage11 |
| { |
| public: |
| virtual ~TypedBufferStorage11() {} |
| |
| DataRevision getDataRevision() const { return mRevision; } |
| BufferUsage getUsage() const { return mUsage; } |
| size_t getSize() const { return mBufferSize; } |
| bool isMappable() const { return (mUsage == BUFFER_USAGE_STAGING || mUsage == BUFFER_USAGE_PIXEL_PACK); } |
| |
| void setDataRevision(DataRevision rev) { mRevision = rev; } |
| |
| virtual bool copyFromStorage(TypedBufferStorage11 *source, size_t sourceOffset, |
| size_t size, size_t destOffset) = 0; |
| virtual bool resize(size_t size, bool preserveData) = 0; |
| |
| virtual void *map(GLbitfield access) = 0; |
| virtual void unmap() = 0; |
| |
| protected: |
| TypedBufferStorage11(Renderer11 *renderer, BufferUsage usage); |
| |
| Renderer11 *mRenderer; |
| DataRevision mRevision; |
| const BufferUsage mUsage; |
| size_t mBufferSize; |
| }; |
| |
| // A native buffer storage represents an underlying D3D11 buffer for a particular |
| // type of storage. |
| class BufferStorage11::NativeBuffer11 : public BufferStorage11::TypedBufferStorage11 |
| { |
| public: |
| NativeBuffer11(Renderer11 *renderer, BufferUsage usage); |
| ~NativeBuffer11(); |
| |
| ID3D11Buffer *getNativeBuffer() const { return mNativeBuffer; } |
| |
| virtual bool copyFromStorage(TypedBufferStorage11 *source, size_t sourceOffset, |
| size_t size, size_t destOffset); |
| virtual bool resize(size_t size, bool preserveData); |
| |
| virtual void *map(GLbitfield access); |
| virtual void unmap(); |
| |
| private: |
| ID3D11Buffer *mNativeBuffer; |
| |
| static void fillBufferDesc(D3D11_BUFFER_DESC* bufferDesc, Renderer *renderer, BufferUsage usage, unsigned int bufferSize); |
| }; |
| |
| // Pack storage represents internal storage for pack buffers. We implement pack buffers |
| // as CPU memory, tied to a staging texture, for asynchronous texture readback. |
| class BufferStorage11::PackStorage11 : public BufferStorage11::TypedBufferStorage11 |
| { |
| public: |
| PackStorage11(Renderer11 *renderer); |
| ~PackStorage11(); |
| |
| virtual bool copyFromStorage(TypedBufferStorage11 *source, size_t sourceOffset, |
| size_t size, size_t destOffset); |
| virtual bool resize(size_t size, bool preserveData); |
| |
| virtual void *map(GLbitfield access); |
| virtual void unmap(); |
| |
| void packPixels(ID3D11Texture2D *srcTexure, UINT srcSubresource, const PackPixelsParams ¶ms); |
| |
| private: |
| |
| void flushQueuedPackCommand(); |
| |
| ID3D11Texture2D *mStagingTexture; |
| DXGI_FORMAT mTextureFormat; |
| gl::Extents mTextureSize; |
| std::vector<unsigned char> mMemoryBuffer; |
| PackPixelsParams *mQueuedPackCommand; |
| PackPixelsParams mPackParams; |
| bool mDataModified; |
| }; |
| |
| BufferStorage11::BufferStorage11(Renderer11 *renderer) |
| : mRenderer(renderer), |
| mMappedStorage(NULL), |
| mResolvedDataRevision(0), |
| mReadUsageCount(0), |
| mSize(0) |
| { |
| } |
| |
| BufferStorage11::~BufferStorage11() |
| { |
| for (auto it = mTypedBuffers.begin(); it != mTypedBuffers.end(); it++) |
| { |
| SafeDelete(it->second); |
| } |
| } |
| |
| BufferStorage11 *BufferStorage11::makeBufferStorage11(BufferStorage *bufferStorage) |
| { |
| ASSERT(HAS_DYNAMIC_TYPE(BufferStorage11*, bufferStorage)); |
| return static_cast<BufferStorage11*>(bufferStorage); |
| } |
| |
| void *BufferStorage11::getData() |
| { |
| NativeBuffer11 *stagingBuffer = getStagingBuffer(); |
| |
| if (!stagingBuffer) |
| { |
| // Out-of-memory |
| return NULL; |
| } |
| |
| if (stagingBuffer->getDataRevision() > mResolvedDataRevision) |
| { |
| if (stagingBuffer->getSize() > mResolvedData.size()) |
| { |
| mResolvedData.resize(stagingBuffer->getSize()); |
| } |
| |
| ID3D11DeviceContext *context = mRenderer->getDeviceContext(); |
| |
| D3D11_MAPPED_SUBRESOURCE mappedResource; |
| HRESULT result = context->Map(stagingBuffer->getNativeBuffer(), 0, D3D11_MAP_READ, 0, &mappedResource); |
| if (FAILED(result)) |
| { |
| return gl::error(GL_OUT_OF_MEMORY, (void*)NULL); |
| } |
| |
| memcpy(mResolvedData.data(), mappedResource.pData, stagingBuffer->getSize()); |
| |
| context->Unmap(stagingBuffer->getNativeBuffer(), 0); |
| |
| mResolvedDataRevision = stagingBuffer->getDataRevision(); |
| } |
| |
| mReadUsageCount = 0; |
| |
| return mResolvedData.data(); |
| } |
| |
| void BufferStorage11::setData(const void* data, size_t size, size_t offset) |
| { |
| size_t requiredSize = size + offset; |
| mSize = std::max(mSize, requiredSize); |
| |
| if (data) |
| { |
| NativeBuffer11 *stagingBuffer = getStagingBuffer(); |
| |
| if (!stagingBuffer) |
| { |
| // Out-of-memory |
| return; |
| } |
| |
| // Explicitly resize the staging buffer, preserving data if the new data will not |
| // completely fill the buffer |
| if (stagingBuffer->getSize() < requiredSize) |
| { |
| bool preserveData = (offset > 0); |
| if (!stagingBuffer->resize(requiredSize, preserveData)) |
| { |
| // Out-of-memory |
| return; |
| } |
| } |
| |
| ID3D11DeviceContext *context = mRenderer->getDeviceContext(); |
| |
| D3D11_MAPPED_SUBRESOURCE mappedResource; |
| HRESULT result = context->Map(stagingBuffer->getNativeBuffer(), 0, D3D11_MAP_WRITE, 0, &mappedResource); |
| if (FAILED(result)) |
| { |
| return gl::error(GL_OUT_OF_MEMORY); |
| } |
| |
| unsigned char *offsetBufferPointer = reinterpret_cast<unsigned char *>(mappedResource.pData) + offset; |
| memcpy(offsetBufferPointer, data, size); |
| |
| context->Unmap(stagingBuffer->getNativeBuffer(), 0); |
| |
| stagingBuffer->setDataRevision(stagingBuffer->getDataRevision() + 1); |
| } |
| } |
| |
| void BufferStorage11::copyData(BufferStorage* sourceStorage, size_t size, size_t sourceOffset, size_t destOffset) |
| { |
| BufferStorage11* sourceStorage11 = makeBufferStorage11(sourceStorage); |
| if (sourceStorage11) |
| { |
| TypedBufferStorage11 *dest = getLatestStorage(); |
| if (!dest) |
| { |
| dest = getStagingBuffer(); |
| } |
| |
| TypedBufferStorage11 *source = sourceStorage11->getLatestStorage(); |
| if (source && dest) |
| { |
| // If copying to/from a pixel pack buffer, we must have a staging or |
| // pack buffer partner, because other native buffers can't be mapped |
| if (dest->getUsage() == BUFFER_USAGE_PIXEL_PACK && !source->isMappable()) |
| { |
| source = sourceStorage11->getStagingBuffer(); |
| } |
| else if (source->getUsage() == BUFFER_USAGE_PIXEL_PACK && !dest->isMappable()) |
| { |
| dest = getStagingBuffer(); |
| } |
| |
| dest->copyFromStorage(source, sourceOffset, size, destOffset); |
| dest->setDataRevision(dest->getDataRevision() + 1); |
| } |
| |
| mSize = std::max<size_t>(mSize, destOffset + size); |
| } |
| } |
| |
| void BufferStorage11::clear() |
| { |
| mSize = 0; |
| mResolvedDataRevision = 0; |
| } |
| |
| void BufferStorage11::markTransformFeedbackUsage() |
| { |
| TypedBufferStorage11 *transformFeedbackStorage = getStorage(BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK); |
| |
| if (transformFeedbackStorage) |
| { |
| transformFeedbackStorage->setDataRevision(transformFeedbackStorage->getDataRevision() + 1); |
| } |
| } |
| |
| size_t BufferStorage11::getSize() const |
| { |
| return mSize; |
| } |
| |
| bool BufferStorage11::supportsDirectBinding() const |
| { |
| return true; |
| } |
| |
| void BufferStorage11::markBufferUsage() |
| { |
| mReadUsageCount++; |
| |
| const unsigned int usageLimit = 5; |
| |
| if (mReadUsageCount > usageLimit && mResolvedData.size() > 0) |
| { |
| mResolvedData.resize(0); |
| mResolvedDataRevision = 0; |
| } |
| } |
| |
| ID3D11Buffer *BufferStorage11::getBuffer(BufferUsage usage) |
| { |
| markBufferUsage(); |
| |
| TypedBufferStorage11 *typedBuffer = getStorage(usage); |
| |
| if (!typedBuffer) |
| { |
| // Storage out-of-memory |
| return NULL; |
| } |
| |
| ASSERT(HAS_DYNAMIC_TYPE(NativeBuffer11*, typedBuffer)); |
| |
| return static_cast<NativeBuffer11*>(typedBuffer)->getNativeBuffer(); |
| } |
| |
| ID3D11ShaderResourceView *BufferStorage11::getSRV(DXGI_FORMAT srvFormat) |
| { |
| TypedBufferStorage11 *storage = getStorage(BUFFER_USAGE_PIXEL_UNPACK); |
| |
| if (!storage) |
| { |
| // Storage out-of-memory |
| return NULL; |
| } |
| |
| ASSERT(HAS_DYNAMIC_TYPE(NativeBuffer11*, storage)); |
| ID3D11Buffer *buffer = static_cast<NativeBuffer11*>(storage)->getNativeBuffer(); |
| |
| auto bufferSRVIt = mBufferResourceViews.find(srvFormat); |
| |
| if (bufferSRVIt != mBufferResourceViews.end()) |
| { |
| if (bufferSRVIt->second.first == buffer) |
| { |
| return bufferSRVIt->second.second; |
| } |
| else |
| { |
| // The underlying buffer has changed since the SRV was created: recreate the SRV. |
| SafeRelease(bufferSRVIt->second.second); |
| } |
| } |
| |
| ID3D11Device *device = mRenderer->getDevice(); |
| ID3D11ShaderResourceView *bufferSRV = NULL; |
| |
| D3D11_SHADER_RESOURCE_VIEW_DESC bufferSRVDesc; |
| bufferSRVDesc.Buffer.ElementOffset = 0; |
| bufferSRVDesc.Buffer.ElementWidth = mSize / d3d11::GetFormatPixelBytes(srvFormat); |
| bufferSRVDesc.ViewDimension = D3D11_SRV_DIMENSION_BUFFER; |
| bufferSRVDesc.Format = srvFormat; |
| |
| HRESULT result = device->CreateShaderResourceView(buffer, &bufferSRVDesc, &bufferSRV); |
| UNUSED_ASSERTION_VARIABLE(result); |
| ASSERT(SUCCEEDED(result)); |
| |
| mBufferResourceViews[srvFormat] = BufferSRVPair(buffer, bufferSRV); |
| |
| return bufferSRV; |
| } |
| |
| void BufferStorage11::packPixels(ID3D11Texture2D *srcTexture, UINT srcSubresource, const PackPixelsParams ¶ms) |
| { |
| PackStorage11 *packStorage = getPackStorage(); |
| |
| TypedBufferStorage11 *latestStorage = getLatestStorage(); |
| |
| if (packStorage) |
| { |
| packStorage->packPixels(srcTexture, srcSubresource, params); |
| packStorage->setDataRevision(latestStorage ? latestStorage->getDataRevision() + 1 : 1); |
| } |
| } |
| |
| BufferStorage11::TypedBufferStorage11 *BufferStorage11::getStorage(BufferUsage usage) |
| { |
| TypedBufferStorage11 *directBuffer = NULL; |
| auto directBufferIt = mTypedBuffers.find(usage); |
| if (directBufferIt != mTypedBuffers.end()) |
| { |
| directBuffer = directBufferIt->second; |
| } |
| |
| if (!directBuffer) |
| { |
| if (usage == BUFFER_USAGE_PIXEL_PACK) |
| { |
| directBuffer = new PackStorage11(mRenderer); |
| } |
| else |
| { |
| // buffer is not allocated, create it |
| directBuffer = new NativeBuffer11(mRenderer, usage); |
| } |
| |
| mTypedBuffers.insert(std::make_pair(usage, directBuffer)); |
| } |
| |
| // resize buffer |
| if (directBuffer->getSize() < mSize) |
| { |
| if (!directBuffer->resize(mSize, true)) |
| { |
| // Out of memory error |
| return NULL; |
| } |
| } |
| |
| TypedBufferStorage11 *latestBuffer = getLatestStorage(); |
| if (latestBuffer && latestBuffer->getDataRevision() > directBuffer->getDataRevision()) |
| { |
| // if copying from a pack buffer to a non-staging native buffer, we must first |
| // copy through the staging buffer, because other native buffers can't be mapped |
| if (latestBuffer->getUsage() == BUFFER_USAGE_PIXEL_PACK && !directBuffer->isMappable()) |
| { |
| NativeBuffer11 *stagingBuffer = getStagingBuffer(); |
| |
| stagingBuffer->copyFromStorage(latestBuffer, 0, latestBuffer->getSize(), 0); |
| directBuffer->setDataRevision(latestBuffer->getDataRevision()); |
| |
| latestBuffer = stagingBuffer; |
| } |
| |
| // if copyFromStorage returns true, the D3D buffer has been recreated |
| // and we should update our serial |
| if (directBuffer->copyFromStorage(latestBuffer, 0, latestBuffer->getSize(), 0)) |
| { |
| updateSerial(); |
| } |
| directBuffer->setDataRevision(latestBuffer->getDataRevision()); |
| } |
| |
| return directBuffer; |
| } |
| |
| BufferStorage11::TypedBufferStorage11 *BufferStorage11::getLatestStorage() const |
| { |
| // Even though we iterate over all the direct buffers, it is expected that only |
| // 1 or 2 will be present. |
| TypedBufferStorage11 *latestStorage = NULL; |
| DataRevision latestRevision = 0; |
| for (auto it = mTypedBuffers.begin(); it != mTypedBuffers.end(); it++) |
| { |
| TypedBufferStorage11 *storage = it->second; |
| if (!latestStorage || storage->getDataRevision() > latestRevision) |
| { |
| latestStorage = storage; |
| latestRevision = storage->getDataRevision(); |
| } |
| } |
| |
| return latestStorage; |
| } |
| |
| bool BufferStorage11::isMapped() const |
| { |
| return mMappedStorage != NULL; |
| } |
| |
| void *BufferStorage11::map(GLbitfield access) |
| { |
| ASSERT(!mMappedStorage); |
| |
| TypedBufferStorage11 *latestStorage = getLatestStorage(); |
| ASSERT(latestStorage); |
| |
| if (latestStorage->getUsage() == BUFFER_USAGE_PIXEL_PACK || |
| latestStorage->getUsage() == BUFFER_USAGE_STAGING) |
| { |
| mMappedStorage = latestStorage; |
| } |
| else |
| { |
| mMappedStorage = getStagingBuffer(); |
| } |
| |
| if (!mMappedStorage) |
| { |
| // Out-of-memory |
| return NULL; |
| } |
| |
| return mMappedStorage->map(access); |
| } |
| |
| void BufferStorage11::unmap() |
| { |
| ASSERT(mMappedStorage); |
| mMappedStorage->unmap(); |
| mMappedStorage = NULL; |
| } |
| |
| BufferStorage11::NativeBuffer11 *BufferStorage11::getStagingBuffer() |
| { |
| TypedBufferStorage11 *stagingStorage = getStorage(BUFFER_USAGE_STAGING); |
| |
| if (!stagingStorage) |
| { |
| // Out-of-memory |
| return NULL; |
| } |
| |
| ASSERT(HAS_DYNAMIC_TYPE(NativeBuffer11*, stagingStorage)); |
| return static_cast<NativeBuffer11*>(stagingStorage); |
| } |
| |
| BufferStorage11::PackStorage11 *BufferStorage11::getPackStorage() |
| { |
| TypedBufferStorage11 *packStorage = getStorage(BUFFER_USAGE_PIXEL_PACK); |
| |
| if (!packStorage) |
| { |
| // Out-of-memory |
| return NULL; |
| } |
| |
| ASSERT(HAS_DYNAMIC_TYPE(PackStorage11*, packStorage)); |
| return static_cast<PackStorage11*>(packStorage); |
| } |
| |
| BufferStorage11::TypedBufferStorage11::TypedBufferStorage11(Renderer11 *renderer, BufferUsage usage) |
| : mRenderer(renderer), |
| mUsage(usage), |
| mRevision(0), |
| mBufferSize(0) |
| { |
| } |
| |
| BufferStorage11::NativeBuffer11::NativeBuffer11(Renderer11 *renderer, BufferUsage usage) |
| : TypedBufferStorage11(renderer, usage), |
| mNativeBuffer(NULL) |
| { |
| } |
| |
| BufferStorage11::NativeBuffer11::~NativeBuffer11() |
| { |
| SafeRelease(mNativeBuffer); |
| } |
| |
| // Returns true if it recreates the direct buffer |
| bool BufferStorage11::NativeBuffer11::copyFromStorage(TypedBufferStorage11 *source, size_t sourceOffset, |
| size_t size, size_t destOffset) |
| { |
| ID3D11DeviceContext *context = mRenderer->getDeviceContext(); |
| |
| size_t requiredSize = sourceOffset + size; |
| bool createBuffer = !mNativeBuffer || mBufferSize < requiredSize; |
| |
| // (Re)initialize D3D buffer if needed |
| if (createBuffer) |
| { |
| bool preserveData = (destOffset > 0); |
| resize(source->getSize(), preserveData); |
| } |
| |
| if (source->getUsage() == BUFFER_USAGE_PIXEL_PACK) |
| { |
| ASSERT(HAS_DYNAMIC_TYPE(PackStorage11*, source)); |
| |
| unsigned char *sourcePointer = static_cast<unsigned char *>(source->map(GL_MAP_READ_BIT)) + sourceOffset; |
| |
| D3D11_MAPPED_SUBRESOURCE mappedResource; |
| HRESULT hr = context->Map(mNativeBuffer, 0, D3D11_MAP_WRITE, 0, &mappedResource); |
| UNUSED_ASSERTION_VARIABLE(hr); |
| ASSERT(SUCCEEDED(hr)); |
| |
| unsigned char *destPointer = static_cast<unsigned char *>(mappedResource.pData) + destOffset; |
| |
| // Offset bounds are validated at the API layer |
| ASSERT(sourceOffset + size <= destOffset + mBufferSize); |
| memcpy(destPointer, sourcePointer, size); |
| } |
| else |
| { |
| ASSERT(HAS_DYNAMIC_TYPE(NativeBuffer11*, source)); |
| |
| D3D11_BOX srcBox; |
| srcBox.left = sourceOffset; |
| srcBox.right = sourceOffset + size; |
| srcBox.top = 0; |
| srcBox.bottom = 1; |
| srcBox.front = 0; |
| srcBox.back = 1; |
| |
| ASSERT(HAS_DYNAMIC_TYPE(NativeBuffer11*, source)); |
| ID3D11Buffer *sourceBuffer = static_cast<NativeBuffer11*>(source)->getNativeBuffer(); |
| |
| context->CopySubresourceRegion(mNativeBuffer, 0, destOffset, 0, 0, sourceBuffer, 0, &srcBox); |
| } |
| |
| return createBuffer; |
| } |
| |
| bool BufferStorage11::NativeBuffer11::resize(size_t size, bool preserveData) |
| { |
| ID3D11Device *device = mRenderer->getDevice(); |
| ID3D11DeviceContext *context = mRenderer->getDeviceContext(); |
| |
| D3D11_BUFFER_DESC bufferDesc; |
| fillBufferDesc(&bufferDesc, mRenderer, mUsage, size); |
| |
| ID3D11Buffer *newBuffer; |
| HRESULT result = device->CreateBuffer(&bufferDesc, NULL, &newBuffer); |
| |
| if (FAILED(result)) |
| { |
| return gl::error(GL_OUT_OF_MEMORY, false); |
| } |
| |
| if (mNativeBuffer && preserveData) |
| { |
| // We don't call resize if the buffer is big enough already. |
| ASSERT(mBufferSize <= size); |
| |
| D3D11_BOX srcBox; |
| srcBox.left = 0; |
| srcBox.right = mBufferSize; |
| srcBox.top = 0; |
| srcBox.bottom = 1; |
| srcBox.front = 0; |
| srcBox.back = 1; |
| |
| context->CopySubresourceRegion(newBuffer, 0, 0, 0, 0, mNativeBuffer, 0, &srcBox); |
| } |
| |
| // No longer need the old buffer |
| SafeRelease(mNativeBuffer); |
| mNativeBuffer = newBuffer; |
| |
| mBufferSize = bufferDesc.ByteWidth; |
| |
| return true; |
| } |
| |
| void BufferStorage11::NativeBuffer11::fillBufferDesc(D3D11_BUFFER_DESC* bufferDesc, Renderer *renderer, |
| BufferUsage usage, unsigned int bufferSize) |
| { |
| bufferDesc->ByteWidth = bufferSize; |
| bufferDesc->MiscFlags = 0; |
| bufferDesc->StructureByteStride = 0; |
| |
| switch (usage) |
| { |
| case BUFFER_USAGE_STAGING: |
| bufferDesc->Usage = D3D11_USAGE_STAGING; |
| bufferDesc->BindFlags = 0; |
| bufferDesc->CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE; |
| break; |
| |
| case BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK: |
| bufferDesc->Usage = D3D11_USAGE_DEFAULT; |
| bufferDesc->BindFlags = D3D11_BIND_VERTEX_BUFFER | D3D11_BIND_STREAM_OUTPUT; |
| bufferDesc->CPUAccessFlags = 0; |
| break; |
| |
| case BUFFER_USAGE_INDEX: |
| bufferDesc->Usage = D3D11_USAGE_DEFAULT; |
| bufferDesc->BindFlags = D3D11_BIND_INDEX_BUFFER; |
| bufferDesc->CPUAccessFlags = 0; |
| break; |
| |
| case BUFFER_USAGE_PIXEL_UNPACK: |
| bufferDesc->Usage = D3D11_USAGE_DEFAULT; |
| bufferDesc->BindFlags = D3D11_BIND_SHADER_RESOURCE; |
| bufferDesc->CPUAccessFlags = 0; |
| break; |
| |
| case BUFFER_USAGE_UNIFORM: |
| bufferDesc->Usage = D3D11_USAGE_DYNAMIC; |
| bufferDesc->BindFlags = D3D11_BIND_CONSTANT_BUFFER; |
| bufferDesc->CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; |
| |
| // Constant buffers must be of a limited size, and aligned to 16 byte boundaries |
| // For our purposes we ignore any buffer data past the maximum constant buffer size |
| bufferDesc->ByteWidth = roundUp(bufferDesc->ByteWidth, 16u); |
| bufferDesc->ByteWidth = std::min(bufferDesc->ByteWidth, renderer->getMaxUniformBufferSize()); |
| break; |
| |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| void *BufferStorage11::NativeBuffer11::map(GLbitfield access) |
| { |
| ASSERT(mUsage == BUFFER_USAGE_STAGING); |
| |
| D3D11_MAPPED_SUBRESOURCE mappedResource; |
| ID3D11DeviceContext *context = mRenderer->getDeviceContext(); |
| D3D11_MAP d3dMapType = gl_d3d11::GetD3DMapTypeFromBits(access); |
| UINT d3dMapFlag = ((access & GL_MAP_UNSYNCHRONIZED_BIT) != 0 ? D3D11_MAP_FLAG_DO_NOT_WAIT : 0); |
| |
| HRESULT result = context->Map(mNativeBuffer, 0, d3dMapType, d3dMapFlag, &mappedResource); |
| UNUSED_ASSERTION_VARIABLE(result); |
| ASSERT(SUCCEEDED(result)); |
| |
| return mappedResource.pData; |
| } |
| |
| void BufferStorage11::NativeBuffer11::unmap() |
| { |
| ASSERT(mUsage == BUFFER_USAGE_STAGING); |
| ID3D11DeviceContext *context = mRenderer->getDeviceContext(); |
| context->Unmap(mNativeBuffer, 0); |
| } |
| |
| BufferStorage11::PackStorage11::PackStorage11(Renderer11 *renderer) |
| : TypedBufferStorage11(renderer, BUFFER_USAGE_PIXEL_PACK), |
| mStagingTexture(NULL), |
| mTextureFormat(DXGI_FORMAT_UNKNOWN), |
| mQueuedPackCommand(NULL), |
| mDataModified(false) |
| { |
| } |
| |
| BufferStorage11::PackStorage11::~PackStorage11() |
| { |
| SafeRelease(mStagingTexture); |
| SafeDelete(mQueuedPackCommand); |
| } |
| |
| bool BufferStorage11::PackStorage11::copyFromStorage(TypedBufferStorage11 *source, size_t sourceOffset, |
| size_t size, size_t destOffset) |
| { |
| UNIMPLEMENTED(); |
| return false; |
| } |
| |
| bool BufferStorage11::PackStorage11::resize(size_t size, bool preserveData) |
| { |
| if (size != mBufferSize) |
| { |
| mMemoryBuffer.resize(size, 0); |
| mBufferSize = size; |
| } |
| |
| return true; |
| } |
| |
| void *BufferStorage11::PackStorage11::map(GLbitfield access) |
| { |
| // TODO: fast path |
| // We might be able to optimize out one or more memcpy calls by detecting when |
| // and if D3D packs the staging texture memory identically to how we would fill |
| // the pack buffer according to the current pack state. |
| |
| flushQueuedPackCommand(); |
| mDataModified = (mDataModified || (access & GL_MAP_WRITE_BIT) != 0); |
| |
| return &mMemoryBuffer[0]; |
| } |
| |
| void BufferStorage11::PackStorage11::unmap() |
| { |
| // No-op |
| } |
| |
| void BufferStorage11::PackStorage11::packPixels(ID3D11Texture2D *srcTexure, UINT srcSubresource, const PackPixelsParams ¶ms) |
| { |
| flushQueuedPackCommand(); |
| mQueuedPackCommand = new PackPixelsParams(params); |
| |
| D3D11_TEXTURE2D_DESC textureDesc; |
| srcTexure->GetDesc(&textureDesc); |
| |
| if (mStagingTexture != NULL && |
| (mTextureFormat != textureDesc.Format || |
| mTextureSize.width != params.area.width || |
| mTextureSize.height != params.area.height)) |
| { |
| SafeRelease(mStagingTexture); |
| mTextureSize.width = 0; |
| mTextureSize.height = 0; |
| mTextureFormat = DXGI_FORMAT_UNKNOWN; |
| } |
| |
| if (mStagingTexture == NULL) |
| { |
| ID3D11Device *device = mRenderer->getDevice(); |
| HRESULT hr; |
| |
| mTextureSize.width = params.area.width; |
| mTextureSize.height = params.area.height; |
| mTextureFormat = textureDesc.Format; |
| |
| D3D11_TEXTURE2D_DESC stagingDesc; |
| stagingDesc.Width = params.area.width; |
| stagingDesc.Height = params.area.height; |
| stagingDesc.MipLevels = 1; |
| stagingDesc.ArraySize = 1; |
| stagingDesc.Format = mTextureFormat; |
| stagingDesc.SampleDesc.Count = 1; |
| stagingDesc.SampleDesc.Quality = 0; |
| stagingDesc.Usage = D3D11_USAGE_STAGING; |
| stagingDesc.BindFlags = 0; |
| stagingDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ; |
| stagingDesc.MiscFlags = 0; |
| |
| hr = device->CreateTexture2D(&stagingDesc, NULL, &mStagingTexture); |
| ASSERT(SUCCEEDED(hr)); |
| } |
| |
| if (textureDesc.SampleDesc.Count > 1) |
| { |
| UNIMPLEMENTED(); |
| } |
| |
| ID3D11DeviceContext *immediateContext = mRenderer->getDeviceContext(); |
| D3D11_BOX srcBox; |
| srcBox.left = params.area.x; |
| srcBox.right = params.area.x + params.area.width; |
| srcBox.top = params.area.y; |
| srcBox.bottom = params.area.y + params.area.height; |
| srcBox.front = 0; |
| srcBox.back = 1; |
| |
| // Asynchronous copy |
| immediateContext->CopySubresourceRegion(mStagingTexture, 0, 0, 0, 0, srcTexure, srcSubresource, &srcBox); |
| } |
| |
| void BufferStorage11::PackStorage11::flushQueuedPackCommand() |
| { |
| ASSERT(!mMemoryBuffer.empty()); |
| |
| if (mQueuedPackCommand) |
| { |
| mRenderer->packPixels(mStagingTexture, *mQueuedPackCommand, &mMemoryBuffer[0]); |
| SafeDelete(mQueuedPackCommand); |
| } |
| } |
| |
| } |