diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/PixelTransfer11.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/PixelTransfer11.cpp | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/PixelTransfer11.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/PixelTransfer11.cpp new file mode 100644 index 0000000000..07040342c7 --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/PixelTransfer11.cpp @@ -0,0 +1,253 @@ +#include "precompiled.h" +// +// Copyright (c) 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 "libGLESv2/renderer/d3d/d3d11/PixelTransfer11.h" +#include "libGLESv2/formatutils.h" +#include "libGLESv2/Texture.h" +#include "libGLESv2/Buffer.h" +#include "libGLESv2/renderer/d3d/d3d11/Renderer11.h" +#include "libGLESv2/renderer/d3d/d3d11/renderer11_utils.h" +#include "libGLESv2/renderer/d3d/d3d11/formatutils11.h" +#include "libGLESv2/renderer/d3d/d3d11/Buffer11.h" +#include "libGLESv2/renderer/d3d/d3d11/TextureStorage11.h" +#include "libGLESv2/renderer/d3d/d3d11/RenderTarget11.h" +#include "libGLESv2/Context.h" + +// Precompiled shaders +#include "libGLESv2/renderer/d3d/d3d11/shaders/compiled/buffertotexturevs.h" +#include "libGLESv2/renderer/d3d/d3d11/shaders/compiled/buffertotexturegs.h" +#include "libGLESv2/renderer/d3d/d3d11/shaders/compiled/buffertotexture_4fps.h" +#include "libGLESv2/renderer/d3d/d3d11/shaders/compiled/buffertotexture_4ips.h" +#include "libGLESv2/renderer/d3d/d3d11/shaders/compiled/buffertotexture_4uips.h" + +namespace rx +{ + +PixelTransfer11::PixelTransfer11(Renderer11 *renderer) + : mRenderer(renderer), + mBufferToTextureVS(NULL), + mBufferToTextureGS(NULL), + mParamsConstantBuffer(NULL), + mCopyRasterizerState(NULL), + mCopyDepthStencilState(NULL) +{ + HRESULT result = S_OK; + ID3D11Device *device = mRenderer->getDevice(); + + 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; + + result = device->CreateRasterizerState(&rasterDesc, &mCopyRasterizerState); + ASSERT(SUCCEEDED(result)); + + 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; + + result = device->CreateDepthStencilState(&depthStencilDesc, &mCopyDepthStencilState); + ASSERT(SUCCEEDED(result)); + + D3D11_BUFFER_DESC constantBufferDesc = { 0 }; + constantBufferDesc.ByteWidth = rx::roundUp<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; + + result = device->CreateBuffer(&constantBufferDesc, NULL, &mParamsConstantBuffer); + ASSERT(SUCCEEDED(result)); + d3d11::SetDebugName(mParamsConstantBuffer, "PixelTransfer11 constant buffer"); + + StructZero(&mParamsData); + + // init shaders + if (mRenderer->isLevel9()) + return; + + mBufferToTextureVS = d3d11::CompileVS(device, g_VS_BufferToTexture, "BufferToTexture VS"); + mBufferToTextureGS = d3d11::CompileGS(device, g_GS_BufferToTexture, "BufferToTexture GS"); + + buildShaderMap(); +} + +PixelTransfer11::~PixelTransfer11() +{ + for (auto shaderMapIt = mBufferToTexturePSMap.begin(); shaderMapIt != mBufferToTexturePSMap.end(); shaderMapIt++) + { + SafeRelease(shaderMapIt->second); + } + + mBufferToTexturePSMap.clear(); + + SafeRelease(mBufferToTextureVS); + SafeRelease(mBufferToTextureGS); + SafeRelease(mParamsConstantBuffer); + SafeRelease(mCopyRasterizerState); + SafeRelease(mCopyDepthStencilState); +} + +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 - 1); + float texelCenterY = 0.5f / static_cast<float>(destSize.height - 1); + + unsigned int bytesPerPixel = gl::GetPixelBytes(internalFormat); + unsigned int alignmentBytes = static_cast<unsigned int>(unpack.alignment); + unsigned int alignmentPixels = (alignmentBytes <= bytesPerPixel ? 1 : alignmentBytes / bytesPerPixel); + + parametersOut->FirstPixelOffset = offset; + parametersOut->PixelsPerRow = static_cast<unsigned int>(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); +} + +bool PixelTransfer11::copyBufferToTexture(const gl::PixelUnpackState &unpack, unsigned int offset, RenderTarget *destRenderTarget, + GLenum destinationFormat, GLenum sourcePixelsType, const gl::Box &destArea) +{ + gl::Extents destSize = destRenderTarget->getExtents(); + + if (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 ) + { + return false; + } + + const gl::Buffer &sourceBuffer = *unpack.pixelBuffer.get(); + + ASSERT(mRenderer->supportsFastCopyBufferToTexture(destinationFormat)); + + ID3D11PixelShader *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::GetFormat(destinationFormat); + GLenum sourceFormat = gl::GetSizedInternalFormat(unsizedFormat, sourcePixelsType); + + DXGI_FORMAT srvFormat = gl_d3d11::GetSRVFormat(sourceFormat); + ASSERT(srvFormat != DXGI_FORMAT_UNKNOWN); + Buffer11 *bufferStorage11 = Buffer11::makeBuffer11(sourceBuffer.getImplementation()); + ID3D11ShaderResourceView *bufferSRV = bufferStorage11->getSRV(srvFormat); + ASSERT(bufferSRV != NULL); + + ID3D11RenderTargetView *textureRTV = RenderTarget11::makeRenderTarget11(destRenderTarget)->getRenderTargetView(); + ASSERT(textureRTV != NULL); + + CopyShaderParams shaderParams; + setBufferToTextureCopyParams(destArea, destSize, sourceFormat, unpack, offset, &shaderParams); + + ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext(); + + ID3D11ShaderResourceView *nullSRV = NULL; + ID3D11Buffer *nullBuffer = NULL; + UINT zero = 0; + + // Are we doing a 2D or 3D copy? + ID3D11GeometryShader *geometryShader = ((destSize.depth > 1) ? mBufferToTextureGS : NULL); + + deviceContext->VSSetShader(mBufferToTextureVS, NULL, 0); + deviceContext->GSSetShader(geometryShader, NULL, 0); + deviceContext->PSSetShader(pixelShader, NULL, 0); + deviceContext->PSSetShaderResources(0, 1, &bufferSRV); + deviceContext->IASetInputLayout(NULL); + deviceContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_POINTLIST); + + deviceContext->IASetVertexBuffers(0, 1, &nullBuffer, &zero, &zero); + deviceContext->OMSetBlendState(NULL, NULL, 0xFFFFFFF); + deviceContext->OMSetDepthStencilState(mCopyDepthStencilState, 0xFFFFFFFF); + deviceContext->RSSetState(mCopyRasterizerState); + + mRenderer->setOneTimeRenderTarget(textureRTV); + + if (!StructEquals(mParamsData, shaderParams)) + { + d3d11::SetBufferData(deviceContext, mParamsConstantBuffer, shaderParams); + mParamsData = shaderParams; + } + + deviceContext->VSSetConstantBuffers(0, 1, &mParamsConstantBuffer); + + // Set the viewport + D3D11_VIEWPORT viewport; + viewport.TopLeftX = 0; + viewport.TopLeftY = 0; + viewport.Width = destSize.width; + viewport.Height = destSize.height; + viewport.MinDepth = 0.0f; + viewport.MaxDepth = 1.0f; + deviceContext->RSSetViewports(1, &viewport); + + UINT numPixels = (destArea.width * destArea.height * destArea.depth); + deviceContext->Draw(numPixels, 0); + + // Unbind textures and render targets and vertex buffer + deviceContext->PSSetShaderResources(0, 1, &nullSRV); + deviceContext->VSSetConstantBuffers(0, 1, &nullBuffer); + + mRenderer->markAllStateDirty(); + + return true; +} + +void PixelTransfer11::buildShaderMap() +{ + ID3D11Device *device = mRenderer->getDevice(); + + mBufferToTexturePSMap[GL_FLOAT] = d3d11::CompilePS(device, g_PS_BufferToTexture_4F, "BufferToTexture RGBA ps"); + mBufferToTexturePSMap[GL_INT] = d3d11::CompilePS(device, g_PS_BufferToTexture_4I, "BufferToTexture RGBA-I ps"); + mBufferToTexturePSMap[GL_UNSIGNED_INT] = d3d11::CompilePS(device, g_PS_BufferToTexture_4UI, "BufferToTexture RGBA-UI ps"); +} + +ID3D11PixelShader *PixelTransfer11::findBufferToTexturePS(GLenum internalFormat) const +{ + GLenum componentType = gl::GetComponentType(internalFormat); + + if (componentType == GL_SIGNED_NORMALIZED || componentType == GL_UNSIGNED_NORMALIZED) + { + componentType = GL_FLOAT; + } + + auto shaderMapIt = mBufferToTexturePSMap.find(componentType); + return (shaderMapIt == mBufferToTexturePSMap.end() ? NULL : shaderMapIt->second); +} + +} |