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comparison: gfx/angle/src/libGLESv2/renderer/InputLayoutCache.cpp
gfx/angle/src/libGLESv2/renderer/InputLayoutCache.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:adde0b548f5b |
|---|---|
| 1 #include "precompiled.h" | |
| 2 // | |
| 3 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. | |
| 4 // Use of this source code is governed by a BSD-style license that can be | |
| 5 // found in the LICENSE file. | |
| 6 // | |
| 7 | |
| 8 // InputLayoutCache.cpp: Defines InputLayoutCache, a class that builds and caches | |
| 9 // D3D11 input layouts. | |
| 10 | |
| 11 #include "libGLESv2/renderer/InputLayoutCache.h" | |
| 12 #include "libGLESv2/renderer/VertexBuffer11.h" | |
| 13 #include "libGLESv2/renderer/BufferStorage11.h" | |
| 14 #include "libGLESv2/renderer/ShaderExecutable11.h" | |
| 15 #include "libGLESv2/ProgramBinary.h" | |
| 16 #include "libGLESv2/Context.h" | |
| 17 #include "libGLESv2/renderer/VertexDataManager.h" | |
| 18 | |
| 19 #include "third_party/murmurhash/MurmurHash3.h" | |
| 20 | |
| 21 namespace rx | |
| 22 { | |
| 23 | |
| 24 const unsigned int InputLayoutCache::kMaxInputLayouts = 1024; | |
| 25 | |
| 26 InputLayoutCache::InputLayoutCache() : mInputLayoutMap(kMaxInputLayouts, hashInputLayout, compareInputLayouts) | |
| 27 { | |
| 28 mCounter = 0; | |
| 29 mDevice = NULL; | |
| 30 mDeviceContext = NULL; | |
| 31 mCurrentIL = NULL; | |
| 32 for (unsigned int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) | |
| 33 { | |
| 34 mCurrentBuffers[i] = -1; | |
| 35 mCurrentVertexStrides[i] = -1; | |
| 36 mCurrentVertexOffsets[i] = -1; | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 InputLayoutCache::~InputLayoutCache() | |
| 41 { | |
| 42 clear(); | |
| 43 } | |
| 44 | |
| 45 void InputLayoutCache::initialize(ID3D11Device *device, ID3D11DeviceContext *context) | |
| 46 { | |
| 47 clear(); | |
| 48 mDevice = device; | |
| 49 mDeviceContext = context; | |
| 50 } | |
| 51 | |
| 52 void InputLayoutCache::clear() | |
| 53 { | |
| 54 for (InputLayoutMap::iterator i = mInputLayoutMap.begin(); i != mInputLayoutMap.end(); i++) | |
| 55 { | |
| 56 i->second.inputLayout->Release(); | |
| 57 } | |
| 58 mInputLayoutMap.clear(); | |
| 59 markDirty(); | |
| 60 } | |
| 61 | |
| 62 void InputLayoutCache::markDirty() | |
| 63 { | |
| 64 mCurrentIL = NULL; | |
| 65 for (unsigned int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) | |
| 66 { | |
| 67 mCurrentBuffers[i] = -1; | |
| 68 mCurrentVertexStrides[i] = -1; | |
| 69 mCurrentVertexOffsets[i] = -1; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 GLenum InputLayoutCache::applyVertexBuffers(TranslatedAttribute attributes[gl::MAX_VERTEX_ATTRIBS], | |
| 74 gl::ProgramBinary *programBinary) | |
| 75 { | |
| 76 int sortedSemanticIndices[gl::MAX_VERTEX_ATTRIBS]; | |
| 77 programBinary->sortAttributesByLayout(attributes, sortedSemanticIndices); | |
| 78 | |
| 79 if (!mDevice || !mDeviceContext) | |
| 80 { | |
| 81 ERR("InputLayoutCache is not initialized."); | |
| 82 return GL_INVALID_OPERATION; | |
| 83 } | |
| 84 | |
| 85 InputLayoutKey ilKey = { 0 }; | |
| 86 | |
| 87 ID3D11Buffer *vertexBuffers[gl::MAX_VERTEX_ATTRIBS] = { NULL }; | |
| 88 unsigned int vertexBufferSerials[gl::MAX_VERTEX_ATTRIBS] = { 0 }; | |
| 89 UINT vertexStrides[gl::MAX_VERTEX_ATTRIBS] = { 0 }; | |
| 90 UINT vertexOffsets[gl::MAX_VERTEX_ATTRIBS] = { 0 }; | |
| 91 | |
| 92 static const char* semanticName = "TEXCOORD"; | |
| 93 | |
| 94 for (unsigned int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) | |
| 95 { | |
| 96 if (attributes[i].active) | |
| 97 { | |
| 98 VertexBuffer11 *vertexBuffer = VertexBuffer11::makeVertexBuffer11(attributes[i].vertexBuffer); | |
| 99 BufferStorage11 *bufferStorage = attributes[i].storage ? BufferStorage11::makeBufferStorage11(attributes[i].storage) : NULL; | |
| 100 | |
| 101 D3D11_INPUT_CLASSIFICATION inputClass = attributes[i].divisor > 0 ? D3D11_INPUT_PER_INSTANCE_DATA : D3D11_INPUT_PER_VERTEX_DATA; | |
| 102 | |
| 103 // Record the type of the associated vertex shader vector in our key | |
| 104 // This will prevent mismatched vertex shaders from using the same input layout | |
| 105 GLint attributeSize; | |
| 106 programBinary->getActiveAttribute(ilKey.elementCount, 0, NULL, &attributeSize, &ilKey.glslElementType[ilKey.elementCount], NULL); | |
| 107 | |
| 108 ilKey.elements[ilKey.elementCount].SemanticName = semanticName; | |
| 109 ilKey.elements[ilKey.elementCount].SemanticIndex = sortedSemanticIndices[i]; | |
| 110 ilKey.elements[ilKey.elementCount].Format = attributes[i].attribute->mArrayEnabled ? vertexBuffer->getDXGIFormat(*attributes[i].attribute) : DXGI_FORMAT_R32G32B32A32_FLOAT; | |
| 111 ilKey.elements[ilKey.elementCount].InputSlot = i; | |
| 112 ilKey.elements[ilKey.elementCount].AlignedByteOffset = 0; | |
| 113 ilKey.elements[ilKey.elementCount].InputSlotClass = inputClass; | |
| 114 ilKey.elements[ilKey.elementCount].InstanceDataStepRate = attributes[i].divisor; | |
| 115 ilKey.elementCount++; | |
| 116 | |
| 117 vertexBuffers[i] = bufferStorage ? bufferStorage->getBuffer() : vertexBuffer->getBuffer(); | |
| 118 vertexBufferSerials[i] = bufferStorage ? bufferStorage->getSerial() : vertexBuffer->getSerial(); | |
| 119 vertexStrides[i] = attributes[i].stride; | |
| 120 vertexOffsets[i] = attributes[i].offset; | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 ID3D11InputLayout *inputLayout = NULL; | |
| 125 | |
| 126 InputLayoutMap::iterator i = mInputLayoutMap.find(ilKey); | |
| 127 if (i != mInputLayoutMap.end()) | |
| 128 { | |
| 129 inputLayout = i->second.inputLayout; | |
| 130 i->second.lastUsedTime = mCounter++; | |
| 131 } | |
| 132 else | |
| 133 { | |
| 134 ShaderExecutable11 *shader = ShaderExecutable11::makeShaderExecutable11(programBinary->getVertexExecutable()); | |
| 135 | |
| 136 HRESULT result = mDevice->CreateInputLayout(ilKey.elements, ilKey.elementCount, shader->getFunction(), shader->getLength(), &inputLayout); | |
| 137 if (FAILED(result)) | |
| 138 { | |
| 139 ERR("Failed to crate input layout, result: 0x%08x", result); | |
| 140 return GL_INVALID_OPERATION; | |
| 141 } | |
| 142 | |
| 143 if (mInputLayoutMap.size() >= kMaxInputLayouts) | |
| 144 { | |
| 145 TRACE("Overflowed the limit of %u input layouts, removing the least recently used " | |
| 146 "to make room.", kMaxInputLayouts); | |
| 147 | |
| 148 InputLayoutMap::iterator leastRecentlyUsed = mInputLayoutMap.begin(); | |
| 149 for (InputLayoutMap::iterator i = mInputLayoutMap.begin(); i != mInputLayoutMap.end(); i++) | |
| 150 { | |
| 151 if (i->second.lastUsedTime < leastRecentlyUsed->second.lastUsedTime) | |
| 152 { | |
| 153 leastRecentlyUsed = i; | |
| 154 } | |
| 155 } | |
| 156 leastRecentlyUsed->second.inputLayout->Release(); | |
| 157 mInputLayoutMap.erase(leastRecentlyUsed); | |
| 158 } | |
| 159 | |
| 160 InputLayoutCounterPair inputCounterPair; | |
| 161 inputCounterPair.inputLayout = inputLayout; | |
| 162 inputCounterPair.lastUsedTime = mCounter++; | |
| 163 | |
| 164 mInputLayoutMap.insert(std::make_pair(ilKey, inputCounterPair)); | |
| 165 } | |
| 166 | |
| 167 if (inputLayout != mCurrentIL) | |
| 168 { | |
| 169 mDeviceContext->IASetInputLayout(inputLayout); | |
| 170 mCurrentIL = inputLayout; | |
| 171 } | |
| 172 | |
| 173 for (unsigned int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++) | |
| 174 { | |
| 175 if (vertexBufferSerials[i] != mCurrentBuffers[i] || vertexStrides[i] != mCurrentVertexStrides[i] || | |
| 176 vertexOffsets[i] != mCurrentVertexOffsets[i]) | |
| 177 { | |
| 178 mDeviceContext->IASetVertexBuffers(i, 1, &vertexBuffers[i], &vertexStrides[i], &vertexOffsets[i]); | |
| 179 mCurrentBuffers[i] = vertexBufferSerials[i]; | |
| 180 mCurrentVertexStrides[i] = vertexStrides[i]; | |
| 181 mCurrentVertexOffsets[i] = vertexOffsets[i]; | |
| 182 } | |
| 183 } | |
| 184 | |
| 185 return GL_NO_ERROR; | |
| 186 } | |
| 187 | |
| 188 std::size_t InputLayoutCache::hashInputLayout(const InputLayoutKey &inputLayout) | |
| 189 { | |
| 190 static const unsigned int seed = 0xDEADBEEF; | |
| 191 | |
| 192 std::size_t hash = 0; | |
| 193 MurmurHash3_x86_32(&inputLayout, sizeof(InputLayoutKey), seed, &hash); | |
| 194 return hash; | |
| 195 } | |
| 196 | |
| 197 bool InputLayoutCache::compareInputLayouts(const InputLayoutKey &a, const InputLayoutKey &b) | |
| 198 { | |
| 199 return memcmp(&a, &b, sizeof(InputLayoutKey)) == 0; | |
| 200 } | |
| 201 | |
| 202 } |
