shannon.woods@transgaming.com | bdf2d80 | 2013-02-28 23:16:20 +0000 | [diff] [blame] | 1 | #include "precompiled.h" |
daniel@transgaming.com | a5e0d72 | 2012-12-20 21:09:36 +0000 | [diff] [blame] | 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 | |
Geoff Lang | d47e0fc | 2013-08-29 11:40:43 -0400 | [diff] [blame] | 10 | #include "libGLESv2/renderer/d3d9/IndexBuffer9.h" |
| 11 | #include "libGLESv2/renderer/d3d9/Renderer9.h" |
daniel@transgaming.com | a5e0d72 | 2012-12-20 21:09:36 +0000 | [diff] [blame] | 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 | { |
Geoff Lang | ea22863 | 2013-07-30 15:17:12 -0400 | [diff] [blame] | 26 | SafeRelease(mIndexBuffer); |
daniel@transgaming.com | a5e0d72 | 2012-12-20 21:09:36 +0000 | [diff] [blame] | 27 | } |
| 28 | |
| 29 | bool IndexBuffer9::initialize(unsigned int bufferSize, GLenum indexType, bool dynamic) |
| 30 | { |
Geoff Lang | ea22863 | 2013-07-30 15:17:12 -0400 | [diff] [blame] | 31 | SafeRelease(mIndexBuffer); |
daniel@transgaming.com | a5e0d72 | 2012-12-20 21:09:36 +0000 | [diff] [blame] | 32 | |
| 33 | updateSerial(); |
| 34 | |
| 35 | if (bufferSize > 0) |
| 36 | { |
| 37 | D3DFORMAT format; |
| 38 | if (indexType == GL_UNSIGNED_SHORT || indexType == GL_UNSIGNED_BYTE) |
| 39 | { |
| 40 | format = D3DFMT_INDEX16; |
| 41 | } |
| 42 | else if (indexType == GL_UNSIGNED_INT) |
| 43 | { |
| 44 | if (mRenderer->get32BitIndexSupport()) |
| 45 | { |
| 46 | format = D3DFMT_INDEX32; |
| 47 | } |
| 48 | else |
| 49 | { |
| 50 | ERR("Attempted to create a 32-bit index buffer but renderer does not support 32-bit indices."); |
| 51 | return false; |
| 52 | } |
| 53 | } |
| 54 | else |
| 55 | { |
| 56 | ERR("Invalid index type %u.", indexType); |
| 57 | return false; |
| 58 | } |
| 59 | |
| 60 | DWORD usageFlags = D3DUSAGE_WRITEONLY; |
| 61 | if (dynamic) |
| 62 | { |
| 63 | usageFlags |= D3DUSAGE_DYNAMIC; |
| 64 | } |
| 65 | |
| 66 | HRESULT result = mRenderer->createIndexBuffer(bufferSize, usageFlags, format, &mIndexBuffer); |
| 67 | if (FAILED(result)) |
| 68 | { |
| 69 | ERR("Failed to create an index buffer of size %u, result: 0x%08x.", mBufferSize, result); |
| 70 | return false; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | mBufferSize = bufferSize; |
| 75 | mIndexType = indexType; |
| 76 | mDynamic = dynamic; |
| 77 | |
| 78 | return true; |
| 79 | } |
| 80 | |
| 81 | IndexBuffer9 *IndexBuffer9::makeIndexBuffer9(IndexBuffer *indexBuffer) |
| 82 | { |
apatrick@chromium.org | 8b400b1 | 2013-01-30 21:53:40 +0000 | [diff] [blame] | 83 | ASSERT(HAS_DYNAMIC_TYPE(IndexBuffer9*, indexBuffer)); |
daniel@transgaming.com | a5e0d72 | 2012-12-20 21:09:36 +0000 | [diff] [blame] | 84 | return static_cast<IndexBuffer9*>(indexBuffer); |
| 85 | } |
| 86 | |
| 87 | bool IndexBuffer9::mapBuffer(unsigned int offset, unsigned int size, void** outMappedMemory) |
| 88 | { |
| 89 | if (mIndexBuffer) |
| 90 | { |
| 91 | DWORD lockFlags = mDynamic ? D3DLOCK_NOOVERWRITE : 0; |
| 92 | |
| 93 | void *mapPtr = NULL; |
| 94 | HRESULT result = mIndexBuffer->Lock(offset, size, &mapPtr, lockFlags); |
| 95 | if (FAILED(result)) |
| 96 | { |
| 97 | ERR("Index buffer lock failed with error 0x%08x", result); |
| 98 | return false; |
| 99 | } |
| 100 | |
| 101 | *outMappedMemory = mapPtr; |
| 102 | return true; |
| 103 | } |
| 104 | else |
| 105 | { |
| 106 | ERR("Index buffer not initialized."); |
| 107 | return false; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | bool IndexBuffer9::unmapBuffer() |
| 112 | { |
| 113 | if (mIndexBuffer) |
| 114 | { |
| 115 | HRESULT result = mIndexBuffer->Unlock(); |
| 116 | if (FAILED(result)) |
| 117 | { |
| 118 | ERR("Index buffer unlock failed with error 0x%08x", result); |
| 119 | return false; |
| 120 | } |
| 121 | |
| 122 | return true; |
| 123 | } |
| 124 | else |
| 125 | { |
| 126 | ERR("Index buffer not initialized."); |
| 127 | return false; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | GLenum IndexBuffer9::getIndexType() const |
| 132 | { |
| 133 | return mIndexType; |
| 134 | } |
| 135 | |
| 136 | unsigned int IndexBuffer9::getBufferSize() const |
| 137 | { |
| 138 | return mBufferSize; |
| 139 | } |
| 140 | |
| 141 | bool IndexBuffer9::setSize(unsigned int bufferSize, GLenum indexType) |
| 142 | { |
| 143 | if (bufferSize > mBufferSize || indexType != mIndexType) |
| 144 | { |
| 145 | return initialize(bufferSize, indexType, mDynamic); |
| 146 | } |
| 147 | else |
| 148 | { |
| 149 | return true; |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | bool IndexBuffer9::discard() |
| 154 | { |
| 155 | if (mIndexBuffer) |
| 156 | { |
| 157 | void *dummy; |
| 158 | HRESULT result; |
| 159 | |
| 160 | result = mIndexBuffer->Lock(0, 1, &dummy, D3DLOCK_DISCARD); |
| 161 | if (FAILED(result)) |
| 162 | { |
| 163 | ERR("Discard lock failed with error 0x%08x", result); |
| 164 | return false; |
| 165 | } |
| 166 | |
| 167 | result = mIndexBuffer->Unlock(); |
| 168 | if (FAILED(result)) |
| 169 | { |
| 170 | ERR("Discard unlock failed with error 0x%08x", result); |
| 171 | return false; |
| 172 | } |
| 173 | |
| 174 | return true; |
| 175 | } |
| 176 | else |
| 177 | { |
| 178 | ERR("Index buffer not initialized."); |
| 179 | return false; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | D3DFORMAT IndexBuffer9::getIndexFormat() const |
| 184 | { |
| 185 | switch (mIndexType) |
| 186 | { |
| 187 | case GL_UNSIGNED_BYTE: return D3DFMT_INDEX16; |
| 188 | case GL_UNSIGNED_SHORT: return D3DFMT_INDEX16; |
| 189 | case GL_UNSIGNED_INT: return D3DFMT_INDEX32; |
| 190 | default: UNREACHABLE(); return D3DFMT_UNKNOWN; |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | IDirect3DIndexBuffer9 * IndexBuffer9::getBuffer() const |
| 195 | { |
| 196 | return mIndexBuffer; |
| 197 | } |
| 198 | |
| 199 | } |