diff options
Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp new file mode 100644 index 0000000000..242c09d6ce --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.cpp @@ -0,0 +1,430 @@ +// +// 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. +// + +// InputLayoutCache.cpp: Defines InputLayoutCache, a class that builds and caches +// D3D11 input layouts. + +#include "libANGLE/renderer/d3d/d3d11/InputLayoutCache.h" +#include "libANGLE/renderer/d3d/d3d11/VertexBuffer11.h" +#include "libANGLE/renderer/d3d/d3d11/Buffer11.h" +#include "libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h" +#include "libANGLE/renderer/d3d/d3d11/formatutils11.h" +#include "libANGLE/renderer/d3d/ProgramD3D.h" +#include "libANGLE/renderer/d3d/VertexDataManager.h" +#include "libANGLE/Program.h" +#include "libANGLE/VertexAttribute.h" + +#include "third_party/murmurhash/MurmurHash3.h" + +namespace rx +{ + +static void GetInputLayout(const TranslatedAttribute translatedAttributes[gl::MAX_VERTEX_ATTRIBS], + gl::VertexFormat inputLayout[gl::MAX_VERTEX_ATTRIBS]) +{ + for (unsigned int attributeIndex = 0; attributeIndex < gl::MAX_VERTEX_ATTRIBS; attributeIndex++) + { + const TranslatedAttribute &translatedAttribute = translatedAttributes[attributeIndex]; + + if (translatedAttributes[attributeIndex].active) + { + inputLayout[attributeIndex] = gl::VertexFormat(*translatedAttribute.attribute, + translatedAttribute.currentValueType); + } + } +} + +const unsigned int InputLayoutCache::kMaxInputLayouts = 1024; + +InputLayoutCache::InputLayoutCache() : mInputLayoutMap(kMaxInputLayouts, hashInputLayout, compareInputLayouts) +{ + mCounter = 0; + mDevice = NULL; + mDeviceContext = NULL; + mCurrentIL = NULL; + for (unsigned int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) + { + mCurrentBuffers[i] = NULL; + mCurrentVertexStrides[i] = static_cast<UINT>(-1); + mCurrentVertexOffsets[i] = static_cast<UINT>(-1); + } + mPointSpriteVertexBuffer = NULL; + mPointSpriteIndexBuffer = NULL; +} + +InputLayoutCache::~InputLayoutCache() +{ + clear(); +} + +void InputLayoutCache::initialize(ID3D11Device *device, ID3D11DeviceContext *context) +{ + clear(); + mDevice = device; + mDeviceContext = context; + mFeatureLevel = device->GetFeatureLevel(); +} + +void InputLayoutCache::clear() +{ + for (InputLayoutMap::iterator i = mInputLayoutMap.begin(); i != mInputLayoutMap.end(); i++) + { + SafeRelease(i->second.inputLayout); + } + mInputLayoutMap.clear(); + SafeRelease(mPointSpriteVertexBuffer); + SafeRelease(mPointSpriteIndexBuffer); + markDirty(); +} + +void InputLayoutCache::markDirty() +{ + mCurrentIL = NULL; + for (unsigned int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) + { + mCurrentBuffers[i] = NULL; + mCurrentVertexStrides[i] = static_cast<UINT>(-1); + mCurrentVertexOffsets[i] = static_cast<UINT>(-1); + } +} + +gl::Error InputLayoutCache::applyVertexBuffers(TranslatedAttribute attributes[gl::MAX_VERTEX_ATTRIBS], + GLenum mode, gl::Program *program) +{ + ProgramD3D *programD3D = GetImplAs<ProgramD3D>(program); + + int sortedSemanticIndices[gl::MAX_VERTEX_ATTRIBS]; + programD3D->sortAttributesByLayout(attributes, sortedSemanticIndices); + bool programUsesInstancedPointSprites = programD3D->usesPointSize() && programD3D->usesInstancedPointSpriteEmulation(); + bool instancedPointSpritesActive = programUsesInstancedPointSprites && (mode == GL_POINTS); + + if (!mDevice || !mDeviceContext) + { + return gl::Error(GL_OUT_OF_MEMORY, "Internal input layout cache is not initialized."); + } + + InputLayoutKey ilKey = { 0 }; + + static const char* semanticName = "TEXCOORD"; + + unsigned int firstIndexedElement = gl::MAX_VERTEX_ATTRIBS; + unsigned int firstInstancedElement = gl::MAX_VERTEX_ATTRIBS; + unsigned int nextAvailableInputSlot = 0; + + for (unsigned int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) + { + if (attributes[i].active) + { + D3D11_INPUT_CLASSIFICATION inputClass = attributes[i].divisor > 0 ? D3D11_INPUT_PER_INSTANCE_DATA : D3D11_INPUT_PER_VERTEX_DATA; + // If rendering points and instanced pointsprite emulation is being used, the inputClass is required to be configured as per instance data + inputClass = instancedPointSpritesActive ? D3D11_INPUT_PER_INSTANCE_DATA : inputClass; + + gl::VertexFormat vertexFormat(*attributes[i].attribute, attributes[i].currentValueType); + const d3d11::VertexFormat &vertexFormatInfo = d3d11::GetVertexFormatInfo(vertexFormat, mFeatureLevel); + + // Record the type of the associated vertex shader vector in our key + // This will prevent mismatched vertex shaders from using the same input layout + GLint attributeSize; + program->getActiveAttribute(ilKey.elementCount, 0, NULL, &attributeSize, &ilKey.elements[ilKey.elementCount].glslElementType, NULL); + + ilKey.elements[ilKey.elementCount].desc.SemanticName = semanticName; + ilKey.elements[ilKey.elementCount].desc.SemanticIndex = sortedSemanticIndices[i]; + ilKey.elements[ilKey.elementCount].desc.Format = vertexFormatInfo.nativeFormat; + ilKey.elements[ilKey.elementCount].desc.InputSlot = i; + ilKey.elements[ilKey.elementCount].desc.AlignedByteOffset = 0; + ilKey.elements[ilKey.elementCount].desc.InputSlotClass = inputClass; + ilKey.elements[ilKey.elementCount].desc.InstanceDataStepRate = instancedPointSpritesActive ? 1 : attributes[i].divisor; + + if (inputClass == D3D11_INPUT_PER_VERTEX_DATA && firstIndexedElement == gl::MAX_VERTEX_ATTRIBS) + { + firstIndexedElement = ilKey.elementCount; + } + else if (inputClass == D3D11_INPUT_PER_INSTANCE_DATA && firstInstancedElement == gl::MAX_VERTEX_ATTRIBS) + { + firstInstancedElement = ilKey.elementCount; + } + + ilKey.elementCount++; + nextAvailableInputSlot = i + 1; + } + } + + // Instanced PointSprite emulation requires additional entries in the + // inputlayout to support the vertices that make up the pointsprite quad. + // We do this even if mode != GL_POINTS, since the shader signature has these inputs, and the input layout must match the shader + if (programUsesInstancedPointSprites) + { + ilKey.elements[ilKey.elementCount].desc.SemanticName = "SPRITEPOSITION"; + ilKey.elements[ilKey.elementCount].desc.SemanticIndex = 0; + ilKey.elements[ilKey.elementCount].desc.Format = DXGI_FORMAT_R32G32B32_FLOAT; + ilKey.elements[ilKey.elementCount].desc.InputSlot = nextAvailableInputSlot; + ilKey.elements[ilKey.elementCount].desc.AlignedByteOffset = 0; + ilKey.elements[ilKey.elementCount].desc.InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA; + ilKey.elements[ilKey.elementCount].desc.InstanceDataStepRate = 0; + + // The new elements are D3D11_INPUT_PER_VERTEX_DATA data so the indexed element + // tracking must be applied. This ensures that the instancing specific + // buffer swapping logic continues to work. + if (firstIndexedElement == gl::MAX_VERTEX_ATTRIBS) + { + firstIndexedElement = ilKey.elementCount; + } + + ilKey.elementCount++; + + ilKey.elements[ilKey.elementCount].desc.SemanticName = "SPRITETEXCOORD"; + ilKey.elements[ilKey.elementCount].desc.SemanticIndex = 0; + ilKey.elements[ilKey.elementCount].desc.Format = DXGI_FORMAT_R32G32_FLOAT; + ilKey.elements[ilKey.elementCount].desc.InputSlot = nextAvailableInputSlot; + ilKey.elements[ilKey.elementCount].desc.AlignedByteOffset = sizeof(float) * 3; + ilKey.elements[ilKey.elementCount].desc.InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA; + ilKey.elements[ilKey.elementCount].desc.InstanceDataStepRate = 0; + + ilKey.elementCount++; + } + + // On 9_3, we must ensure that slot 0 contains non-instanced data. + // If slot 0 currently contains instanced data then we swap it with a non-instanced element. + // Note that instancing is only available on 9_3 via ANGLE_instanced_arrays, since 9_3 doesn't support OpenGL ES 3.0. + // As per the spec for ANGLE_instanced_arrays, not all attributes can be instanced simultaneously, so a non-instanced element must exist. + ASSERT(!(mFeatureLevel <= D3D_FEATURE_LEVEL_9_3 && firstIndexedElement == gl::MAX_VERTEX_ATTRIBS)); + bool moveFirstIndexedIntoSlotZero = mFeatureLevel <= D3D_FEATURE_LEVEL_9_3 && firstInstancedElement == 0 && firstIndexedElement != gl::MAX_VERTEX_ATTRIBS; + + if (moveFirstIndexedIntoSlotZero) + { + ilKey.elements[firstInstancedElement].desc.InputSlot = ilKey.elements[firstIndexedElement].desc.InputSlot; + ilKey.elements[firstIndexedElement].desc.InputSlot = 0; + + // Instanced PointSprite emulation uses multiple layout entries across a single vertex buffer. + // If an index swap is performed, we need to ensure that all elements get the proper InputSlot. + if (programUsesInstancedPointSprites) + { + ilKey.elements[firstIndexedElement + 1].desc.InputSlot = 0; + } + } + + ID3D11InputLayout *inputLayout = NULL; + + InputLayoutMap::iterator keyIter = mInputLayoutMap.find(ilKey); + if (keyIter != mInputLayoutMap.end()) + { + inputLayout = keyIter->second.inputLayout; + keyIter->second.lastUsedTime = mCounter++; + } + else + { + gl::VertexFormat shaderInputLayout[gl::MAX_VERTEX_ATTRIBS]; + GetInputLayout(attributes, shaderInputLayout); + + ShaderExecutableD3D *shader = NULL; + gl::Error error = programD3D->getVertexExecutableForInputLayout(shaderInputLayout, &shader, nullptr); + if (error.isError()) + { + return error; + } + + ShaderExecutableD3D *shader11 = ShaderExecutable11::makeShaderExecutable11(shader); + + D3D11_INPUT_ELEMENT_DESC descs[gl::MAX_VERTEX_ATTRIBS]; + for (unsigned int j = 0; j < ilKey.elementCount; ++j) + { + descs[j] = ilKey.elements[j].desc; + } + + HRESULT result = mDevice->CreateInputLayout(descs, ilKey.elementCount, shader11->getFunction(), shader11->getLength(), &inputLayout); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create internal input layout, HRESULT: 0x%08x", result); + } + + if (mInputLayoutMap.size() >= kMaxInputLayouts) + { + TRACE("Overflowed the limit of %u input layouts, removing the least recently used " + "to make room.", kMaxInputLayouts); + + InputLayoutMap::iterator leastRecentlyUsed = mInputLayoutMap.begin(); + for (InputLayoutMap::iterator i = mInputLayoutMap.begin(); i != mInputLayoutMap.end(); i++) + { + if (i->second.lastUsedTime < leastRecentlyUsed->second.lastUsedTime) + { + leastRecentlyUsed = i; + } + } + SafeRelease(leastRecentlyUsed->second.inputLayout); + mInputLayoutMap.erase(leastRecentlyUsed); + } + + InputLayoutCounterPair inputCounterPair; + inputCounterPair.inputLayout = inputLayout; + inputCounterPair.lastUsedTime = mCounter++; + + mInputLayoutMap.insert(std::make_pair(ilKey, inputCounterPair)); + } + + if (inputLayout != mCurrentIL) + { + mDeviceContext->IASetInputLayout(inputLayout); + mCurrentIL = inputLayout; + } + + bool dirtyBuffers = false; + size_t minDiff = gl::MAX_VERTEX_ATTRIBS; + size_t maxDiff = 0; + unsigned int nextAvailableIndex = 0; + + for (unsigned int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) + { + ID3D11Buffer *buffer = NULL; + + if (attributes[i].active) + { + VertexBuffer11 *vertexBuffer = VertexBuffer11::makeVertexBuffer11(attributes[i].vertexBuffer); + Buffer11 *bufferStorage = attributes[i].storage ? Buffer11::makeBuffer11(attributes[i].storage) : NULL; + + buffer = bufferStorage ? bufferStorage->getBuffer(BUFFER_USAGE_VERTEX_OR_TRANSFORM_FEEDBACK) + : vertexBuffer->getBuffer(); + } + + UINT vertexStride = attributes[i].stride; + UINT vertexOffset = attributes[i].offset; + + if (buffer != mCurrentBuffers[i] || vertexStride != mCurrentVertexStrides[i] || + vertexOffset != mCurrentVertexOffsets[i]) + { + dirtyBuffers = true; + minDiff = std::min(minDiff, static_cast<size_t>(i)); + maxDiff = std::max(maxDiff, static_cast<size_t>(i)); + + mCurrentBuffers[i] = buffer; + mCurrentVertexStrides[i] = vertexStride; + mCurrentVertexOffsets[i] = vertexOffset; + + // If a non null ID3D11Buffer is being assigned to mCurrentBuffers, + // then the next available index needs to be tracked to ensure + // that any instanced pointsprite emulation buffers will be properly packed. + if (buffer) + { + nextAvailableIndex = i + 1; + } + } + } + + // Instanced PointSprite emulation requires two additional ID3D11Buffers. + // A vertex buffer needs to be created and added to the list of current buffers, + // strides and offsets collections. This buffer contains the vertices for a single + // PointSprite quad. + // An index buffer also needs to be created and applied because rendering instanced + // data on D3D11 FL9_3 requires DrawIndexedInstanced() to be used. + if (instancedPointSpritesActive) + { + HRESULT result = S_OK; + const UINT pointSpriteVertexStride = sizeof(float) * 5; + + if (!mPointSpriteVertexBuffer) + { + static const float pointSpriteVertices[] = + { + // Position // TexCoord + -1.0f, -1.0f, 0.0f, 0.0f, 1.0f, + -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, + 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, + 1.0f, -1.0f, 0.0f, 1.0f, 1.0f, + -1.0f, -1.0f, 0.0f, 0.0f, 1.0f, + 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, + }; + + D3D11_SUBRESOURCE_DATA vertexBufferData = { pointSpriteVertices, 0, 0 }; + D3D11_BUFFER_DESC vertexBufferDesc; + vertexBufferDesc.ByteWidth = sizeof(pointSpriteVertices); + vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER; + vertexBufferDesc.Usage = D3D11_USAGE_IMMUTABLE; + vertexBufferDesc.CPUAccessFlags = 0; + vertexBufferDesc.MiscFlags = 0; + vertexBufferDesc.StructureByteStride = 0; + + result = mDevice->CreateBuffer(&vertexBufferDesc, &vertexBufferData, &mPointSpriteVertexBuffer); + if (FAILED(result)) + { + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create instanced pointsprite emulation vertex buffer, HRESULT: 0x%08x", result); + } + } + + mCurrentBuffers[nextAvailableIndex] = mPointSpriteVertexBuffer; + mCurrentVertexStrides[nextAvailableIndex] = pointSpriteVertexStride; + mCurrentVertexOffsets[nextAvailableIndex] = 0; + + if (!mPointSpriteIndexBuffer) + { + // Create an index buffer and set it for pointsprite rendering + static const unsigned short pointSpriteIndices[] = + { + 0, 1, 2, 3, 4, 5, + }; + + D3D11_SUBRESOURCE_DATA indexBufferData = { pointSpriteIndices, 0, 0 }; + D3D11_BUFFER_DESC indexBufferDesc; + indexBufferDesc.ByteWidth = sizeof(pointSpriteIndices); + indexBufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER; + indexBufferDesc.Usage = D3D11_USAGE_IMMUTABLE; + indexBufferDesc.CPUAccessFlags = 0; + indexBufferDesc.MiscFlags = 0; + indexBufferDesc.StructureByteStride = 0; + + result = mDevice->CreateBuffer(&indexBufferDesc, &indexBufferData, &mPointSpriteIndexBuffer); + if (FAILED(result)) + { + SafeRelease(mPointSpriteVertexBuffer); + return gl::Error(GL_OUT_OF_MEMORY, "Failed to create instanced pointsprite emulation index buffer, HRESULT: 0x%08x", result); + } + } + + // The index buffer is applied here because Instanced PointSprite emulation uses + // the a non-indexed rendering path in ANGLE (DrawArrays). This means that applyIndexBuffer() + // on the renderer will not be called and setting this buffer here ensures that the rendering + // path will contain the correct index buffers. + mDeviceContext->IASetIndexBuffer(mPointSpriteIndexBuffer, DXGI_FORMAT_R16_UINT, 0); + } + + if (moveFirstIndexedIntoSlotZero) + { + // In this case, we swapped the slots of the first instanced element and the first indexed element, to ensure + // that the first slot contains non-instanced data (required by Feature Level 9_3). + // We must also swap the corresponding buffers sent to IASetVertexBuffers so that the correct data is sent to each slot. + std::swap(mCurrentBuffers[firstIndexedElement], mCurrentBuffers[firstInstancedElement]); + std::swap(mCurrentVertexStrides[firstIndexedElement], mCurrentVertexStrides[firstInstancedElement]); + std::swap(mCurrentVertexOffsets[firstIndexedElement], mCurrentVertexOffsets[firstInstancedElement]); + } + + if (dirtyBuffers) + { + ASSERT(minDiff <= maxDiff && maxDiff < gl::MAX_VERTEX_ATTRIBS); + mDeviceContext->IASetVertexBuffers(minDiff, maxDiff - minDiff + 1, mCurrentBuffers + minDiff, + mCurrentVertexStrides + minDiff, mCurrentVertexOffsets + minDiff); + } + + return gl::Error(GL_NO_ERROR); +} + +std::size_t InputLayoutCache::hashInputLayout(const InputLayoutKey &inputLayout) +{ + static const unsigned int seed = 0xDEADBEEF; + + std::size_t hash = 0; + MurmurHash3_x86_32(inputLayout.begin(), inputLayout.end() - inputLayout.begin(), seed, &hash); + return hash; +} + +bool InputLayoutCache::compareInputLayouts(const InputLayoutKey &a, const InputLayoutKey &b) +{ + if (a.elementCount != b.elementCount) + { + return false; + } + + return std::equal(a.begin(), a.end(), b.begin()); +} + +} |