diff options
Diffstat (limited to 'gfx/angle/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.cpp')
| -rwxr-xr-x | gfx/angle/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.cpp | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.cpp b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.cpp new file mode 100755 index 000000000..bd870bcbd --- /dev/null +++ b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/RenderStateCache.cpp @@ -0,0 +1,473 @@ +// +// 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. +// + +// RenderStateCache.cpp: Defines rx::RenderStateCache, a cache of Direct3D render +// state objects. + +#include "libANGLE/renderer/d3d/d3d11/RenderStateCache.h" + +#include <float.h> + +#include "common/debug.h" +#include "libANGLE/Framebuffer.h" +#include "libANGLE/FramebufferAttachment.h" +#include "libANGLE/renderer/d3d/FramebufferD3D.h" +#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h" +#include "libANGLE/renderer/d3d/d3d11/Renderer11.h" +#include "third_party/murmurhash/MurmurHash3.h" + +namespace rx +{ +using namespace gl_d3d11; + +template <typename mapType> +static void ClearStateMap(mapType &map) +{ + for (typename mapType::iterator i = map.begin(); i != map.end(); i++) + { + SafeRelease(i->second.first); + } + map.clear(); +} + +// MSDN's documentation of ID3D11Device::CreateBlendState, ID3D11Device::CreateRasterizerState, +// ID3D11Device::CreateDepthStencilState and ID3D11Device::CreateSamplerState claims the maximum +// number of unique states of each type an application can create is 4096 +const unsigned int RenderStateCache::kMaxBlendStates = 4096; +const unsigned int RenderStateCache::kMaxRasterizerStates = 4096; +const unsigned int RenderStateCache::kMaxDepthStencilStates = 4096; +const unsigned int RenderStateCache::kMaxSamplerStates = 4096; + +RenderStateCache::RenderStateCache(Renderer11 *renderer) + : mRenderer(renderer), + mCounter(0), + mBlendStateCache(kMaxBlendStates, hashBlendState, compareBlendStates), + mRasterizerStateCache(kMaxRasterizerStates, hashRasterizerState, compareRasterizerStates), + mDepthStencilStateCache(kMaxDepthStencilStates, hashDepthStencilState, compareDepthStencilStates), + mSamplerStateCache(kMaxSamplerStates, hashSamplerState, compareSamplerStates), + mDevice(NULL) +{ +} + +RenderStateCache::~RenderStateCache() +{ + clear(); +} + +void RenderStateCache::initialize(ID3D11Device *device) +{ + clear(); + mDevice = device; +} + +void RenderStateCache::clear() +{ + ClearStateMap(mBlendStateCache); + ClearStateMap(mRasterizerStateCache); + ClearStateMap(mDepthStencilStateCache); + ClearStateMap(mSamplerStateCache); +} + +std::size_t RenderStateCache::hashBlendState(const BlendStateKey &blendState) +{ + static const unsigned int seed = 0xABCDEF98; + + std::size_t hash = 0; + MurmurHash3_x86_32(&blendState, sizeof(gl::BlendState), seed, &hash); + return hash; +} + +bool RenderStateCache::compareBlendStates(const BlendStateKey &a, const BlendStateKey &b) +{ + return memcmp(&a, &b, sizeof(BlendStateKey)) == 0; +} + +gl::Error RenderStateCache::getBlendState(const gl::Framebuffer *framebuffer, const gl::BlendState &blendState, + ID3D11BlendState **outBlendState) +{ + if (!mDevice) + { + return gl::Error(GL_OUT_OF_MEMORY, "Internal error, RenderStateCache is not initialized."); + } + + bool mrt = false; + + const FramebufferD3D *framebufferD3D = GetImplAs<FramebufferD3D>(framebuffer); + const gl::AttachmentList &colorbuffers = framebufferD3D->getColorAttachmentsForRender(); + + BlendStateKey key = {}; + key.blendState = blendState; + for (size_t colorAttachment = 0; colorAttachment < colorbuffers.size(); ++colorAttachment) + { + const gl::FramebufferAttachment *attachment = colorbuffers[colorAttachment]; + + auto rtChannels = key.rtChannels[colorAttachment]; + + if (attachment) + { + if (colorAttachment > 0) + { + mrt = true; + } + + rtChannels[0] = attachment->getRedSize() > 0; + rtChannels[1] = attachment->getGreenSize() > 0; + rtChannels[2] = attachment->getBlueSize() > 0; + rtChannels[3] = attachment->getAlphaSize() > 0; + } + } + + BlendStateMap::iterator keyIter = mBlendStateCache.find(key); + if (keyIter != mBlendStateCache.end()) + { + BlendStateCounterPair &state = keyIter->second; + state.second = mCounter++; + *outBlendState = state.first; + return gl::Error(GL_NO_ERROR); + } + else + { + if (mBlendStateCache.size() >= kMaxBlendStates) + { + TRACE("Overflowed the limit of %u blend states, removing the least recently used " + "to make room.", kMaxBlendStates); + + BlendStateMap::iterator leastRecentlyUsed = mBlendStateCache.begin(); + for (BlendStateMap::iterator i = mBlendStateCache.begin(); i != mBlendStateCache.end(); i++) + { + if (i->second.second < leastRecentlyUsed->second.second) + { + leastRecentlyUsed = i; + } + } + SafeRelease(leastRecentlyUsed->second.first); + mBlendStateCache.erase(leastRecentlyUsed); + } + + // Create a new blend state and insert it into the cache + D3D11_BLEND_DESC blendDesc = { 0 }; + blendDesc.AlphaToCoverageEnable = blendState.sampleAlphaToCoverage; + blendDesc.IndependentBlendEnable = mrt ? TRUE : FALSE; + + for (unsigned int i = 0; i < D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT; i++) + { + D3D11_RENDER_TARGET_BLEND_DESC &rtBlend = blendDesc.RenderTarget[i]; + + rtBlend.BlendEnable = blendState.blend; + if (blendState.blend) + { + rtBlend.SrcBlend = gl_d3d11::ConvertBlendFunc(blendState.sourceBlendRGB, false); + rtBlend.DestBlend = gl_d3d11::ConvertBlendFunc(blendState.destBlendRGB, false); + rtBlend.BlendOp = gl_d3d11::ConvertBlendOp(blendState.blendEquationRGB); + + rtBlend.SrcBlendAlpha = gl_d3d11::ConvertBlendFunc(blendState.sourceBlendAlpha, true); + rtBlend.DestBlendAlpha = gl_d3d11::ConvertBlendFunc(blendState.destBlendAlpha, true); + rtBlend.BlendOpAlpha = gl_d3d11::ConvertBlendOp(blendState.blendEquationAlpha); + } + + rtBlend.RenderTargetWriteMask = gl_d3d11::ConvertColorMask(key.rtChannels[i][0] && blendState.colorMaskRed, + key.rtChannels[i][1] && blendState.colorMaskGreen, + key.rtChannels[i][2] && blendState.colorMaskBlue, + key.rtChannels[i][3] && blendState.colorMaskAlpha); + } + + ID3D11BlendState *dx11BlendState = NULL; + HRESULT result = mDevice->CreateBlendState(&blendDesc, &dx11BlendState); + if (FAILED(result) || !dx11BlendState) + { + return gl::Error(GL_OUT_OF_MEMORY, "Unable to create a ID3D11BlendState, HRESULT: 0x%X.", result); + } + + mBlendStateCache.insert(std::make_pair(key, std::make_pair(dx11BlendState, mCounter++))); + + *outBlendState = dx11BlendState; + return gl::Error(GL_NO_ERROR); + } +} + +std::size_t RenderStateCache::hashRasterizerState(const RasterizerStateKey &rasterState) +{ + static const unsigned int seed = 0xABCDEF98; + + std::size_t hash = 0; + MurmurHash3_x86_32(&rasterState, sizeof(RasterizerStateKey), seed, &hash); + return hash; +} + +bool RenderStateCache::compareRasterizerStates(const RasterizerStateKey &a, const RasterizerStateKey &b) +{ + return memcmp(&a, &b, sizeof(RasterizerStateKey)) == 0; +} + +gl::Error RenderStateCache::getRasterizerState(const gl::RasterizerState &rasterState, bool scissorEnabled, + ID3D11RasterizerState **outRasterizerState) +{ + if (!mDevice) + { + return gl::Error(GL_OUT_OF_MEMORY, "Internal error, RenderStateCache is not initialized."); + } + + RasterizerStateKey key = {}; + key.rasterizerState = rasterState; + key.scissorEnabled = scissorEnabled; + + RasterizerStateMap::iterator keyIter = mRasterizerStateCache.find(key); + if (keyIter != mRasterizerStateCache.end()) + { + RasterizerStateCounterPair &state = keyIter->second; + state.second = mCounter++; + *outRasterizerState = state.first; + return gl::Error(GL_NO_ERROR); + } + else + { + if (mRasterizerStateCache.size() >= kMaxRasterizerStates) + { + TRACE("Overflowed the limit of %u rasterizer states, removing the least recently used " + "to make room.", kMaxRasterizerStates); + + RasterizerStateMap::iterator leastRecentlyUsed = mRasterizerStateCache.begin(); + for (RasterizerStateMap::iterator i = mRasterizerStateCache.begin(); i != mRasterizerStateCache.end(); i++) + { + if (i->second.second < leastRecentlyUsed->second.second) + { + leastRecentlyUsed = i; + } + } + SafeRelease(leastRecentlyUsed->second.first); + mRasterizerStateCache.erase(leastRecentlyUsed); + } + + D3D11_CULL_MODE cullMode = gl_d3d11::ConvertCullMode(rasterState.cullFace, rasterState.cullMode); + + // Disable culling if drawing points + if (rasterState.pointDrawMode) + { + cullMode = D3D11_CULL_NONE; + } + + D3D11_RASTERIZER_DESC rasterDesc; + rasterDesc.FillMode = D3D11_FILL_SOLID; + rasterDesc.CullMode = cullMode; + rasterDesc.FrontCounterClockwise = (rasterState.frontFace == GL_CCW) ? FALSE: TRUE; + rasterDesc.DepthBiasClamp = 0.0f; // MSDN documentation of DepthBiasClamp implies a value of zero will preform no clamping, must be tested though. + rasterDesc.DepthClipEnable = TRUE; + rasterDesc.ScissorEnable = scissorEnabled ? TRUE : FALSE; + rasterDesc.MultisampleEnable = rasterState.multiSample; + rasterDesc.AntialiasedLineEnable = FALSE; + + if (rasterState.polygonOffsetFill) + { + rasterDesc.SlopeScaledDepthBias = rasterState.polygonOffsetFactor; + rasterDesc.DepthBias = (INT)rasterState.polygonOffsetUnits; + } + else + { + rasterDesc.SlopeScaledDepthBias = 0.0f; + rasterDesc.DepthBias = 0; + } + + ID3D11RasterizerState *dx11RasterizerState = NULL; + HRESULT result = mDevice->CreateRasterizerState(&rasterDesc, &dx11RasterizerState); + if (FAILED(result) || !dx11RasterizerState) + { + return gl::Error(GL_OUT_OF_MEMORY, "Unable to create a ID3D11RasterizerState, HRESULT: 0x%X.", result); + } + + mRasterizerStateCache.insert(std::make_pair(key, std::make_pair(dx11RasterizerState, mCounter++))); + + *outRasterizerState = dx11RasterizerState; + return gl::Error(GL_NO_ERROR); + } +} + +std::size_t RenderStateCache::hashDepthStencilState(const gl::DepthStencilState &dsState) +{ + static const unsigned int seed = 0xABCDEF98; + + std::size_t hash = 0; + MurmurHash3_x86_32(&dsState, sizeof(gl::DepthStencilState), seed, &hash); + return hash; +} + +bool RenderStateCache::compareDepthStencilStates(const gl::DepthStencilState &a, const gl::DepthStencilState &b) +{ + return memcmp(&a, &b, sizeof(gl::DepthStencilState)) == 0; +} + +gl::Error RenderStateCache::getDepthStencilState(const gl::DepthStencilState &originalState, + bool disableDepth, + bool disableStencil, + ID3D11DepthStencilState **outDSState) +{ + if (!mDevice) + { + return gl::Error(GL_OUT_OF_MEMORY, "Internal error, RenderStateCache is not initialized."); + } + + gl::DepthStencilState glState = originalState; + if (disableDepth) + { + glState.depthTest = false; + glState.depthMask = false; + } + + if (disableStencil) + { + glState.stencilWritemask = 0; + glState.stencilBackWritemask = 0; + glState.stencilTest = false; + } + + auto keyIter = mDepthStencilStateCache.find(glState); + if (keyIter != mDepthStencilStateCache.end()) + { + DepthStencilStateCounterPair &state = keyIter->second; + state.second = mCounter++; + *outDSState = state.first; + return gl::Error(GL_NO_ERROR); + } + + if (mDepthStencilStateCache.size() >= kMaxDepthStencilStates) + { + TRACE( + "Overflowed the limit of %u depth stencil states, removing the least recently used " + "to make room.", + kMaxDepthStencilStates); + + auto leastRecentlyUsed = mDepthStencilStateCache.begin(); + for (auto i = mDepthStencilStateCache.begin(); i != mDepthStencilStateCache.end(); i++) + { + if (i->second.second < leastRecentlyUsed->second.second) + { + leastRecentlyUsed = i; + } + } + SafeRelease(leastRecentlyUsed->second.first); + mDepthStencilStateCache.erase(leastRecentlyUsed); + } + + D3D11_DEPTH_STENCIL_DESC dsDesc = {0}; + dsDesc.DepthEnable = glState.depthTest ? TRUE : FALSE; + dsDesc.DepthWriteMask = ConvertDepthMask(glState.depthMask); + dsDesc.DepthFunc = ConvertComparison(glState.depthFunc); + dsDesc.StencilEnable = glState.stencilTest ? TRUE : FALSE; + dsDesc.StencilReadMask = ConvertStencilMask(glState.stencilMask); + dsDesc.StencilWriteMask = ConvertStencilMask(glState.stencilWritemask); + dsDesc.FrontFace.StencilFailOp = ConvertStencilOp(glState.stencilFail); + dsDesc.FrontFace.StencilDepthFailOp = ConvertStencilOp(glState.stencilPassDepthFail); + dsDesc.FrontFace.StencilPassOp = ConvertStencilOp(glState.stencilPassDepthPass); + dsDesc.FrontFace.StencilFunc = ConvertComparison(glState.stencilFunc); + dsDesc.BackFace.StencilFailOp = ConvertStencilOp(glState.stencilBackFail); + dsDesc.BackFace.StencilDepthFailOp = ConvertStencilOp(glState.stencilBackPassDepthFail); + dsDesc.BackFace.StencilPassOp = ConvertStencilOp(glState.stencilBackPassDepthPass); + dsDesc.BackFace.StencilFunc = ConvertComparison(glState.stencilBackFunc); + + ID3D11DepthStencilState *dx11DepthStencilState = NULL; + HRESULT result = mDevice->CreateDepthStencilState(&dsDesc, &dx11DepthStencilState); + if (FAILED(result) || !dx11DepthStencilState) + { + return gl::Error(GL_OUT_OF_MEMORY, + "Unable to create a ID3D11DepthStencilState, HRESULT: 0x%X.", result); + } + + mDepthStencilStateCache.insert( + std::make_pair(glState, std::make_pair(dx11DepthStencilState, mCounter++))); + + *outDSState = dx11DepthStencilState; + return gl::Error(GL_NO_ERROR); +} + +std::size_t RenderStateCache::hashSamplerState(const gl::SamplerState &samplerState) +{ + static const unsigned int seed = 0xABCDEF98; + + std::size_t hash = 0; + MurmurHash3_x86_32(&samplerState, sizeof(gl::SamplerState), seed, &hash); + return hash; +} + +bool RenderStateCache::compareSamplerStates(const gl::SamplerState &a, const gl::SamplerState &b) +{ + return memcmp(&a, &b, sizeof(gl::SamplerState)) == 0; +} + +gl::Error RenderStateCache::getSamplerState(const gl::SamplerState &samplerState, ID3D11SamplerState **outSamplerState) +{ + if (!mDevice) + { + return gl::Error(GL_OUT_OF_MEMORY, "Internal error, RenderStateCache is not initialized."); + } + + SamplerStateMap::iterator keyIter = mSamplerStateCache.find(samplerState); + if (keyIter != mSamplerStateCache.end()) + { + SamplerStateCounterPair &state = keyIter->second; + state.second = mCounter++; + *outSamplerState = state.first; + return gl::Error(GL_NO_ERROR); + } + else + { + if (mSamplerStateCache.size() >= kMaxSamplerStates) + { + TRACE("Overflowed the limit of %u sampler states, removing the least recently used " + "to make room.", kMaxSamplerStates); + + SamplerStateMap::iterator leastRecentlyUsed = mSamplerStateCache.begin(); + for (SamplerStateMap::iterator i = mSamplerStateCache.begin(); i != mSamplerStateCache.end(); i++) + { + if (i->second.second < leastRecentlyUsed->second.second) + { + leastRecentlyUsed = i; + } + } + SafeRelease(leastRecentlyUsed->second.first); + mSamplerStateCache.erase(leastRecentlyUsed); + } + + D3D11_SAMPLER_DESC samplerDesc; + samplerDesc.Filter = gl_d3d11::ConvertFilter(samplerState.minFilter, samplerState.magFilter, + samplerState.maxAnisotropy, samplerState.compareMode); + samplerDesc.AddressU = gl_d3d11::ConvertTextureWrap(samplerState.wrapS); + samplerDesc.AddressV = gl_d3d11::ConvertTextureWrap(samplerState.wrapT); + samplerDesc.AddressW = gl_d3d11::ConvertTextureWrap(samplerState.wrapR); + samplerDesc.MipLODBias = 0; + samplerDesc.MaxAnisotropy = + gl_d3d11::ConvertMaxAnisotropy(samplerState.maxAnisotropy, mDevice->GetFeatureLevel()); + samplerDesc.ComparisonFunc = gl_d3d11::ConvertComparison(samplerState.compareFunc); + samplerDesc.BorderColor[0] = 0.0f; + samplerDesc.BorderColor[1] = 0.0f; + samplerDesc.BorderColor[2] = 0.0f; + samplerDesc.BorderColor[3] = 0.0f; + samplerDesc.MinLOD = samplerState.minLod; + samplerDesc.MaxLOD = samplerState.maxLod; + + if (mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3) + { + // Check that maxLOD is nearly FLT_MAX (1000.0f is the default), since 9_3 doesn't support anything other than FLT_MAX. + // Note that Feature Level 9_* only supports GL ES 2.0, so the consumer of ANGLE can't modify the Max LOD themselves. + ASSERT(samplerState.maxLod >= 999.9f); + + // Now just set MaxLOD to FLT_MAX. Other parts of the renderer (e.g. the non-zero max LOD workaround) should take account of this. + samplerDesc.MaxLOD = FLT_MAX; + } + + ID3D11SamplerState *dx11SamplerState = NULL; + HRESULT result = mDevice->CreateSamplerState(&samplerDesc, &dx11SamplerState); + if (FAILED(result) || !dx11SamplerState) + { + return gl::Error(GL_OUT_OF_MEMORY, "Unable to create a ID3D11SamplerState, HRESULT: 0x%X.", result); + } + + mSamplerStateCache.insert(std::make_pair(samplerState, std::make_pair(dx11SamplerState, mCounter++))); + + *outSamplerState = dx11SamplerState; + return gl::Error(GL_NO_ERROR); + } +} + +} |