diff options
Diffstat (limited to 'gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.cpp')
| -rw-r--r-- | gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.cpp | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.cpp new file mode 100644 index 0000000000..9649a91dd3 --- /dev/null +++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/PixelTransfer11.cpp @@ -0,0 +1,271 @@ +// +// Copyright 2013 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. +// + +// PixelTransfer11.cpp: +// Implementation for buffer-to-texture and texture-to-buffer copies. +// Used to implement pixel transfers from unpack and to pack buffers. +// + +#include "libANGLE/renderer/d3d/d3d11/PixelTransfer11.h" + +#include "libANGLE/Buffer.h" +#include "libANGLE/Context.h" +#include "libANGLE/Texture.h" +#include "libANGLE/formatutils.h" +#include "libANGLE/renderer/d3d/d3d11/Buffer11.h" +#include "libANGLE/renderer/d3d/d3d11/Context11.h" +#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h" +#include "libANGLE/renderer/d3d/d3d11/Renderer11.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/renderer/d3d/d3d11/texture_format_table.h" +#include "libANGLE/renderer/serial_utils.h" + +// Precompiled shaders +#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_gs.h" +#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4f.h" +#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4i.h" +#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_ps_4ui.h" +#include "libANGLE/renderer/d3d/d3d11/shaders/compiled/buffertotexture11_vs.h" + +namespace rx +{ + +PixelTransfer11::PixelTransfer11(Renderer11 *renderer) + : mRenderer(renderer), + mResourcesLoaded(false), + mBufferToTextureVS(), + mBufferToTextureGS(), + mParamsConstantBuffer(), + mCopyRasterizerState(), + mCopyDepthStencilState() +{} + +PixelTransfer11::~PixelTransfer11() {} + +angle::Result PixelTransfer11::loadResources(const gl::Context *context) +{ + if (mResourcesLoaded) + { + return angle::Result::Continue; + } + + D3D11_RASTERIZER_DESC rasterDesc; + rasterDesc.FillMode = D3D11_FILL_SOLID; + rasterDesc.CullMode = D3D11_CULL_NONE; + rasterDesc.FrontCounterClockwise = FALSE; + rasterDesc.DepthBias = 0; + rasterDesc.SlopeScaledDepthBias = 0.0f; + rasterDesc.DepthBiasClamp = 0.0f; + rasterDesc.DepthClipEnable = TRUE; + rasterDesc.ScissorEnable = FALSE; + rasterDesc.MultisampleEnable = FALSE; + rasterDesc.AntialiasedLineEnable = FALSE; + + Context11 *context11 = GetImplAs<Context11>(context); + + ANGLE_TRY(mRenderer->allocateResource(context11, rasterDesc, &mCopyRasterizerState)); + + D3D11_DEPTH_STENCIL_DESC depthStencilDesc; + depthStencilDesc.DepthEnable = true; + depthStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL; + depthStencilDesc.DepthFunc = D3D11_COMPARISON_ALWAYS; + depthStencilDesc.StencilEnable = FALSE; + depthStencilDesc.StencilReadMask = D3D11_DEFAULT_STENCIL_READ_MASK; + depthStencilDesc.StencilWriteMask = D3D11_DEFAULT_STENCIL_WRITE_MASK; + depthStencilDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP; + depthStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP; + depthStencilDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP; + depthStencilDesc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS; + depthStencilDesc.BackFace.StencilFailOp = D3D11_STENCIL_OP_KEEP; + depthStencilDesc.BackFace.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP; + depthStencilDesc.BackFace.StencilPassOp = D3D11_STENCIL_OP_KEEP; + depthStencilDesc.BackFace.StencilFunc = D3D11_COMPARISON_ALWAYS; + + ANGLE_TRY(mRenderer->allocateResource(context11, depthStencilDesc, &mCopyDepthStencilState)); + + D3D11_BUFFER_DESC constantBufferDesc = {}; + constantBufferDesc.ByteWidth = roundUpPow2<UINT>(sizeof(CopyShaderParams), 32u); + constantBufferDesc.Usage = D3D11_USAGE_DYNAMIC; + constantBufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER; + constantBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; + constantBufferDesc.MiscFlags = 0; + constantBufferDesc.StructureByteStride = 0; + + ANGLE_TRY(mRenderer->allocateResource(context11, constantBufferDesc, &mParamsConstantBuffer)); + mParamsConstantBuffer.setInternalName("PixelTransfer11ConstantBuffer"); + + // init shaders + ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_VS_BufferToTexture), + &mBufferToTextureVS)); + mBufferToTextureVS.setInternalName("BufferToTextureVS"); + + ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_GS_BufferToTexture), + &mBufferToTextureGS)); + mBufferToTextureGS.setInternalName("BufferToTextureGS"); + + ANGLE_TRY(buildShaderMap(context)); + + StructZero(&mParamsData); + + mResourcesLoaded = true; + + return angle::Result::Continue; +} + +void PixelTransfer11::setBufferToTextureCopyParams(const gl::Box &destArea, + const gl::Extents &destSize, + GLenum internalFormat, + const gl::PixelUnpackState &unpack, + unsigned int offset, + CopyShaderParams *parametersOut) +{ + StructZero(parametersOut); + + float texelCenterX = 0.5f / static_cast<float>(destSize.width); + float texelCenterY = 0.5f / static_cast<float>(destSize.height); + + unsigned int bytesPerPixel = gl::GetSizedInternalFormatInfo(internalFormat).pixelBytes; + unsigned int alignmentBytes = static_cast<unsigned int>(unpack.alignment); + unsigned int alignmentPixels = + (alignmentBytes <= bytesPerPixel ? 1 : alignmentBytes / bytesPerPixel); + + parametersOut->FirstPixelOffset = offset / bytesPerPixel; + parametersOut->PixelsPerRow = + static_cast<unsigned int>((unpack.rowLength > 0) ? unpack.rowLength : destArea.width); + parametersOut->RowStride = roundUp(parametersOut->PixelsPerRow, alignmentPixels); + parametersOut->RowsPerSlice = static_cast<unsigned int>(destArea.height); + parametersOut->PositionOffset[0] = + texelCenterX + (destArea.x / float(destSize.width)) * 2.0f - 1.0f; + parametersOut->PositionOffset[1] = + texelCenterY + ((destSize.height - destArea.y - 1) / float(destSize.height)) * 2.0f - 1.0f; + parametersOut->PositionScale[0] = 2.0f / static_cast<float>(destSize.width); + parametersOut->PositionScale[1] = -2.0f / static_cast<float>(destSize.height); + parametersOut->FirstSlice = destArea.z; +} + +angle::Result PixelTransfer11::copyBufferToTexture(const gl::Context *context, + const gl::PixelUnpackState &unpack, + gl::Buffer *unpackBuffer, + unsigned int offset, + RenderTargetD3D *destRenderTarget, + GLenum destinationFormat, + GLenum sourcePixelsType, + const gl::Box &destArea) +{ + ASSERT(unpackBuffer); + + ANGLE_TRY(loadResources(context)); + + gl::Extents destSize = destRenderTarget->getExtents(); + + ASSERT(destArea.x >= 0 && destArea.x + destArea.width <= destSize.width && destArea.y >= 0 && + destArea.y + destArea.height <= destSize.height && destArea.z >= 0 && + destArea.z + destArea.depth <= destSize.depth); + + ASSERT(mRenderer->supportsFastCopyBufferToTexture(destinationFormat)); + + const d3d11::PixelShader *pixelShader = findBufferToTexturePS(destinationFormat); + ASSERT(pixelShader); + + // The SRV must be in the proper read format, which may be different from the destination format + // EG: for half float data, we can load full precision floats with implicit conversion + GLenum unsizedFormat = gl::GetUnsizedFormat(destinationFormat); + const gl::InternalFormat &sourceglFormatInfo = + gl::GetInternalFormatInfo(unsizedFormat, sourcePixelsType); + + const d3d11::Format &sourceFormatInfo = d3d11::Format::Get( + sourceglFormatInfo.sizedInternalFormat, mRenderer->getRenderer11DeviceCaps()); + DXGI_FORMAT srvFormat = sourceFormatInfo.srvFormat; + ASSERT(srvFormat != DXGI_FORMAT_UNKNOWN); + Buffer11 *bufferStorage11 = GetAs<Buffer11>(unpackBuffer->getImplementation()); + const d3d11::ShaderResourceView *bufferSRV = nullptr; + ANGLE_TRY(bufferStorage11->getSRV(context, srvFormat, &bufferSRV)); + ASSERT(bufferSRV != nullptr); + + const d3d11::RenderTargetView &textureRTV = + GetAs<RenderTarget11>(destRenderTarget)->getRenderTargetView(); + ASSERT(textureRTV.valid()); + + CopyShaderParams shaderParams; + setBufferToTextureCopyParams(destArea, destSize, sourceglFormatInfo.sizedInternalFormat, unpack, + offset, &shaderParams); + + ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext(); + + // Are we doing a 2D or 3D copy? + const auto *geometryShader = ((destSize.depth > 1) ? &mBufferToTextureGS : nullptr); + StateManager11 *stateManager = mRenderer->getStateManager(); + + stateManager->setDrawShaders(&mBufferToTextureVS, geometryShader, pixelShader); + stateManager->setShaderResource(gl::ShaderType::Fragment, 0, bufferSRV); + stateManager->setInputLayout(nullptr); + stateManager->setPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_POINTLIST); + + stateManager->setSingleVertexBuffer(nullptr, 0, 0); + stateManager->setSimpleBlendState(nullptr); + stateManager->setDepthStencilState(&mCopyDepthStencilState, 0xFFFFFFFF); + stateManager->setRasterizerState(&mCopyRasterizerState); + + stateManager->setRenderTarget(textureRTV.get(), nullptr); + + if (!StructEquals(mParamsData, shaderParams)) + { + d3d11::SetBufferData(deviceContext, mParamsConstantBuffer.get(), shaderParams); + mParamsData = shaderParams; + } + + stateManager->setVertexConstantBuffer(0, &mParamsConstantBuffer); + + // Set the viewport + stateManager->setSimpleViewport(destSize); + + UINT numPixels = (shaderParams.PixelsPerRow * destArea.height * destArea.depth); + deviceContext->Draw(numPixels, 0); + + return angle::Result::Continue; +} + +angle::Result PixelTransfer11::buildShaderMap(const gl::Context *context) +{ + d3d11::PixelShader bufferToTextureFloat; + d3d11::PixelShader bufferToTextureInt; + d3d11::PixelShader bufferToTextureUint; + + Context11 *context11 = GetImplAs<Context11>(context); + + ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_PS_BufferToTexture_4F), + &bufferToTextureFloat)); + ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_PS_BufferToTexture_4I), + &bufferToTextureInt)); + ANGLE_TRY(mRenderer->allocateResource(context11, ShaderData(g_PS_BufferToTexture_4UI), + &bufferToTextureUint)); + + bufferToTextureFloat.setInternalName("BufferToTextureRGBA.ps"); + bufferToTextureInt.setInternalName("BufferToTextureRGBA-I.ps"); + bufferToTextureUint.setInternalName("BufferToTextureRGBA-UI.ps"); + + mBufferToTexturePSMap[GL_FLOAT] = std::move(bufferToTextureFloat); + mBufferToTexturePSMap[GL_INT] = std::move(bufferToTextureInt); + mBufferToTexturePSMap[GL_UNSIGNED_INT] = std::move(bufferToTextureUint); + + return angle::Result::Continue; +} + +const d3d11::PixelShader *PixelTransfer11::findBufferToTexturePS(GLenum internalFormat) const +{ + GLenum componentType = gl::GetSizedInternalFormatInfo(internalFormat).componentType; + if (componentType == GL_SIGNED_NORMALIZED || componentType == GL_UNSIGNED_NORMALIZED) + { + componentType = GL_FLOAT; + } + + auto shaderMapIt = mBufferToTexturePSMap.find(componentType); + return (shaderMapIt == mBufferToTexturePSMap.end() ? nullptr : &shaderMapIt->second); +} + +} // namespace rx |