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comparison: gfx/angle/src/libGLESv2/renderer/IndexBuffer9.cpp
gfx/angle/src/libGLESv2/renderer/IndexBuffer9.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:fd03f0cabe8c |
|---|---|
| 1 #include "precompiled.h" | |
| 2 // | |
| 3 // Copyright (c) 2002-2012 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 // Indexffer9.cpp: Defines the D3D9 IndexBuffer implementation. | |
| 9 | |
| 10 #include "libGLESv2/renderer/IndexBuffer9.h" | |
| 11 #include "libGLESv2/renderer/Renderer9.h" | |
| 12 | |
| 13 namespace rx | |
| 14 { | |
| 15 | |
| 16 IndexBuffer9::IndexBuffer9(Renderer9 *const renderer) : mRenderer(renderer) | |
| 17 { | |
| 18 mIndexBuffer = NULL; | |
| 19 mBufferSize = 0; | |
| 20 mIndexType = 0; | |
| 21 mDynamic = false; | |
| 22 } | |
| 23 | |
| 24 IndexBuffer9::~IndexBuffer9() | |
| 25 { | |
| 26 if (mIndexBuffer) | |
| 27 { | |
| 28 mIndexBuffer->Release(); | |
| 29 mIndexBuffer = NULL; | |
| 30 } | |
| 31 } | |
| 32 | |
| 33 bool IndexBuffer9::initialize(unsigned int bufferSize, GLenum indexType, bool dynamic) | |
| 34 { | |
| 35 if (mIndexBuffer) | |
| 36 { | |
| 37 mIndexBuffer->Release(); | |
| 38 mIndexBuffer = NULL; | |
| 39 } | |
| 40 | |
| 41 updateSerial(); | |
| 42 | |
| 43 if (bufferSize > 0) | |
| 44 { | |
| 45 D3DFORMAT format; | |
| 46 if (indexType == GL_UNSIGNED_SHORT || indexType == GL_UNSIGNED_BYTE) | |
| 47 { | |
| 48 format = D3DFMT_INDEX16; | |
| 49 } | |
| 50 else if (indexType == GL_UNSIGNED_INT) | |
| 51 { | |
| 52 if (mRenderer->get32BitIndexSupport()) | |
| 53 { | |
| 54 format = D3DFMT_INDEX32; | |
| 55 } | |
| 56 else | |
| 57 { | |
| 58 ERR("Attempted to create a 32-bit index buffer but renderer does not support 32-bit indices."); | |
| 59 return false; | |
| 60 } | |
| 61 } | |
| 62 else | |
| 63 { | |
| 64 ERR("Invalid index type %u.", indexType); | |
| 65 return false; | |
| 66 } | |
| 67 | |
| 68 DWORD usageFlags = D3DUSAGE_WRITEONLY; | |
| 69 if (dynamic) | |
| 70 { | |
| 71 usageFlags |= D3DUSAGE_DYNAMIC; | |
| 72 } | |
| 73 | |
| 74 HRESULT result = mRenderer->createIndexBuffer(bufferSize, usageFlags, format, &mIndexBuffer); | |
| 75 if (FAILED(result)) | |
| 76 { | |
| 77 ERR("Failed to create an index buffer of size %u, result: 0x%08x.", mBufferSize, result); | |
| 78 return false; | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 mBufferSize = bufferSize; | |
| 83 mIndexType = indexType; | |
| 84 mDynamic = dynamic; | |
| 85 | |
| 86 return true; | |
| 87 } | |
| 88 | |
| 89 IndexBuffer9 *IndexBuffer9::makeIndexBuffer9(IndexBuffer *indexBuffer) | |
| 90 { | |
| 91 ASSERT(HAS_DYNAMIC_TYPE(IndexBuffer9*, indexBuffer)); | |
| 92 return static_cast<IndexBuffer9*>(indexBuffer); | |
| 93 } | |
| 94 | |
| 95 bool IndexBuffer9::mapBuffer(unsigned int offset, unsigned int size, void** outMappedMemory) | |
| 96 { | |
| 97 if (mIndexBuffer) | |
| 98 { | |
| 99 DWORD lockFlags = mDynamic ? D3DLOCK_NOOVERWRITE : 0; | |
| 100 | |
| 101 void *mapPtr = NULL; | |
| 102 HRESULT result = mIndexBuffer->Lock(offset, size, &mapPtr, lockFlags); | |
| 103 if (FAILED(result)) | |
| 104 { | |
| 105 ERR("Index buffer lock failed with error 0x%08x", result); | |
| 106 return false; | |
| 107 } | |
| 108 | |
| 109 *outMappedMemory = mapPtr; | |
| 110 return true; | |
| 111 } | |
| 112 else | |
| 113 { | |
| 114 ERR("Index buffer not initialized."); | |
| 115 return false; | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 bool IndexBuffer9::unmapBuffer() | |
| 120 { | |
| 121 if (mIndexBuffer) | |
| 122 { | |
| 123 HRESULT result = mIndexBuffer->Unlock(); | |
| 124 if (FAILED(result)) | |
| 125 { | |
| 126 ERR("Index buffer unlock failed with error 0x%08x", result); | |
| 127 return false; | |
| 128 } | |
| 129 | |
| 130 return true; | |
| 131 } | |
| 132 else | |
| 133 { | |
| 134 ERR("Index buffer not initialized."); | |
| 135 return false; | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 GLenum IndexBuffer9::getIndexType() const | |
| 140 { | |
| 141 return mIndexType; | |
| 142 } | |
| 143 | |
| 144 unsigned int IndexBuffer9::getBufferSize() const | |
| 145 { | |
| 146 return mBufferSize; | |
| 147 } | |
| 148 | |
| 149 bool IndexBuffer9::setSize(unsigned int bufferSize, GLenum indexType) | |
| 150 { | |
| 151 if (bufferSize > mBufferSize || indexType != mIndexType) | |
| 152 { | |
| 153 return initialize(bufferSize, indexType, mDynamic); | |
| 154 } | |
| 155 else | |
| 156 { | |
| 157 return true; | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 bool IndexBuffer9::discard() | |
| 162 { | |
| 163 if (mIndexBuffer) | |
| 164 { | |
| 165 void *dummy; | |
| 166 HRESULT result; | |
| 167 | |
| 168 result = mIndexBuffer->Lock(0, 1, &dummy, D3DLOCK_DISCARD); | |
| 169 if (FAILED(result)) | |
| 170 { | |
| 171 ERR("Discard lock failed with error 0x%08x", result); | |
| 172 return false; | |
| 173 } | |
| 174 | |
| 175 result = mIndexBuffer->Unlock(); | |
| 176 if (FAILED(result)) | |
| 177 { | |
| 178 ERR("Discard unlock failed with error 0x%08x", result); | |
| 179 return false; | |
| 180 } | |
| 181 | |
| 182 return true; | |
| 183 } | |
| 184 else | |
| 185 { | |
| 186 ERR("Index buffer not initialized."); | |
| 187 return false; | |
| 188 } | |
| 189 } | |
| 190 | |
| 191 D3DFORMAT IndexBuffer9::getIndexFormat() const | |
| 192 { | |
| 193 switch (mIndexType) | |
| 194 { | |
| 195 case GL_UNSIGNED_BYTE: return D3DFMT_INDEX16; | |
| 196 case GL_UNSIGNED_SHORT: return D3DFMT_INDEX16; | |
| 197 case GL_UNSIGNED_INT: return D3DFMT_INDEX32; | |
| 198 default: UNREACHABLE(); return D3DFMT_UNKNOWN; | |
| 199 } | |
| 200 } | |
| 201 | |
| 202 IDirect3DIndexBuffer9 * IndexBuffer9::getBuffer() const | |
| 203 { | |
| 204 return mIndexBuffer; | |
| 205 } | |
| 206 | |
| 207 } |
