epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2010 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 9 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 10 | #include "GrBufferAllocPool.h" |
| 11 | #include "GrTypes.h" |
| 12 | #include "GrVertexBuffer.h" |
| 13 | #include "GrIndexBuffer.h" |
| 14 | #include "GrGpu.h" |
| 15 | |
| 16 | #if GR_DEBUG |
| 17 | #define VALIDATE validate |
| 18 | #else |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 19 | static void VALIDATE(bool x = false) {} |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 20 | #endif |
| 21 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 22 | // page size |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 23 | #define GrBufferAllocPool_MIN_BLOCK_SIZE ((size_t)1 << 12) |
| 24 | |
| 25 | GrBufferAllocPool::GrBufferAllocPool(GrGpu* gpu, |
| 26 | BufferType bufferType, |
| 27 | bool frequentResetHint, |
| 28 | size_t blockSize, |
| 29 | int preallocBufferCnt) : |
| 30 | fBlocks(GrMax(8, 2*preallocBufferCnt)) { |
bsalomon@google.com | 11f0b51 | 2011-03-29 20:52:23 +0000 | [diff] [blame] | 31 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 32 | GrAssert(NULL != gpu); |
| 33 | fGpu = gpu; |
bsalomon@google.com | 11f0b51 | 2011-03-29 20:52:23 +0000 | [diff] [blame] | 34 | fGpu->ref(); |
| 35 | fGpuIsReffed = true; |
| 36 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 37 | fBufferType = bufferType; |
| 38 | fFrequentResetHint = frequentResetHint; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 39 | fBufferPtr = NULL; |
| 40 | fMinBlockSize = GrMax(GrBufferAllocPool_MIN_BLOCK_SIZE, blockSize); |
| 41 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 42 | fBytesInUse = 0; |
bsalomon@google.com | b665a6b | 2012-03-01 20:59:28 +0000 | [diff] [blame] | 43 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 44 | fPreallocBuffersInUse = 0; |
bsalomon@google.com | b665a6b | 2012-03-01 20:59:28 +0000 | [diff] [blame] | 45 | fPreallocBufferStartIdx = 0; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 46 | for (int i = 0; i < preallocBufferCnt; ++i) { |
| 47 | GrGeometryBuffer* buffer = this->createBuffer(fMinBlockSize); |
| 48 | if (NULL != buffer) { |
| 49 | *fPreallocBuffers.append() = buffer; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 50 | } |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | GrBufferAllocPool::~GrBufferAllocPool() { |
| 55 | VALIDATE(); |
| 56 | if (fBlocks.count()) { |
| 57 | GrGeometryBuffer* buffer = fBlocks.back().fBuffer; |
| 58 | if (buffer->isLocked()) { |
| 59 | buffer->unlock(); |
| 60 | } |
| 61 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 62 | while (!fBlocks.empty()) { |
| 63 | destroyBlock(); |
| 64 | } |
bsalomon@google.com | 11f0b51 | 2011-03-29 20:52:23 +0000 | [diff] [blame] | 65 | fPreallocBuffers.unrefAll(); |
| 66 | releaseGpuRef(); |
| 67 | } |
| 68 | |
| 69 | void GrBufferAllocPool::releaseGpuRef() { |
| 70 | if (fGpuIsReffed) { |
| 71 | fGpu->unref(); |
| 72 | fGpuIsReffed = false; |
| 73 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | void GrBufferAllocPool::reset() { |
| 77 | VALIDATE(); |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 78 | fBytesInUse = 0; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 79 | if (fBlocks.count()) { |
| 80 | GrGeometryBuffer* buffer = fBlocks.back().fBuffer; |
| 81 | if (buffer->isLocked()) { |
| 82 | buffer->unlock(); |
| 83 | } |
| 84 | } |
bsalomon@google.com | b665a6b | 2012-03-01 20:59:28 +0000 | [diff] [blame] | 85 | // fPreallocBuffersInUse will be decremented down to zero in the while loop |
| 86 | int preallocBuffersInUse = fPreallocBuffersInUse; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 87 | while (!fBlocks.empty()) { |
bsalomon@google.com | b665a6b | 2012-03-01 20:59:28 +0000 | [diff] [blame] | 88 | this->destroyBlock(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 89 | } |
| 90 | if (fPreallocBuffers.count()) { |
| 91 | // must set this after above loop. |
bsalomon@google.com | b665a6b | 2012-03-01 20:59:28 +0000 | [diff] [blame] | 92 | fPreallocBufferStartIdx = (fPreallocBufferStartIdx + |
| 93 | preallocBuffersInUse) % |
| 94 | fPreallocBuffers.count(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 95 | } |
bsalomon@google.com | 987dbc0 | 2011-12-14 14:44:19 +0000 | [diff] [blame] | 96 | // we may have created a large cpu mirror of a large VB. Reset the size |
| 97 | // to match our pre-allocated VBs. |
| 98 | fCpuData.reset(fMinBlockSize); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 99 | GrAssert(0 == fPreallocBuffersInUse); |
| 100 | VALIDATE(); |
| 101 | } |
| 102 | |
| 103 | void GrBufferAllocPool::unlock() { |
| 104 | VALIDATE(); |
| 105 | |
| 106 | if (NULL != fBufferPtr) { |
| 107 | BufferBlock& block = fBlocks.back(); |
| 108 | if (block.fBuffer->isLocked()) { |
| 109 | block.fBuffer->unlock(); |
| 110 | } else { |
bsalomon@google.com | cee661a | 2011-07-26 12:32:36 +0000 | [diff] [blame] | 111 | size_t flushSize = block.fBuffer->sizeInBytes() - block.fBytesFree; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 112 | flushCpuData(fBlocks.back().fBuffer, flushSize); |
| 113 | } |
| 114 | fBufferPtr = NULL; |
| 115 | } |
| 116 | VALIDATE(); |
| 117 | } |
| 118 | |
| 119 | #if GR_DEBUG |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 120 | void GrBufferAllocPool::validate(bool unusedBlockAllowed) const { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 121 | if (NULL != fBufferPtr) { |
| 122 | GrAssert(!fBlocks.empty()); |
| 123 | if (fBlocks.back().fBuffer->isLocked()) { |
| 124 | GrGeometryBuffer* buf = fBlocks.back().fBuffer; |
| 125 | GrAssert(buf->lockPtr() == fBufferPtr); |
| 126 | } else { |
| 127 | GrAssert(fCpuData.get() == fBufferPtr); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 128 | } |
| 129 | } else { |
| 130 | GrAssert(fBlocks.empty() || !fBlocks.back().fBuffer->isLocked()); |
| 131 | } |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 132 | size_t bytesInUse = 0; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 133 | for (int i = 0; i < fBlocks.count() - 1; ++i) { |
| 134 | GrAssert(!fBlocks[i].fBuffer->isLocked()); |
| 135 | } |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 136 | for (int i = 0; i < fBlocks.count(); ++i) { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame^] | 137 | size_t bytes = fBlocks[i].fBuffer->sizeInBytes() - fBlocks[i].fBytesFree; |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 138 | bytesInUse += bytes; |
| 139 | GrAssert(bytes || unusedBlockAllowed); |
| 140 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame^] | 141 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 142 | GrAssert(bytesInUse == fBytesInUse); |
| 143 | if (unusedBlockAllowed) { |
| 144 | GrAssert((fBytesInUse && !fBlocks.empty()) || |
| 145 | (!fBytesInUse && (fBlocks.count() < 2))); |
| 146 | } else { |
| 147 | GrAssert((0 == fBytesInUse) == fBlocks.empty()); |
| 148 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 149 | } |
| 150 | #endif |
| 151 | |
| 152 | void* GrBufferAllocPool::makeSpace(size_t size, |
| 153 | size_t alignment, |
| 154 | const GrGeometryBuffer** buffer, |
| 155 | size_t* offset) { |
| 156 | VALIDATE(); |
| 157 | |
| 158 | GrAssert(NULL != buffer); |
| 159 | GrAssert(NULL != offset); |
| 160 | |
| 161 | if (NULL != fBufferPtr) { |
| 162 | BufferBlock& back = fBlocks.back(); |
bsalomon@google.com | cee661a | 2011-07-26 12:32:36 +0000 | [diff] [blame] | 163 | size_t usedBytes = back.fBuffer->sizeInBytes() - back.fBytesFree; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 164 | size_t pad = GrSizeAlignUpPad(usedBytes, |
| 165 | alignment); |
| 166 | if ((size + pad) <= back.fBytesFree) { |
| 167 | usedBytes += pad; |
| 168 | *offset = usedBytes; |
| 169 | *buffer = back.fBuffer; |
| 170 | back.fBytesFree -= size + pad; |
bsalomon@google.com | d510809 | 2012-03-08 15:10:39 +0000 | [diff] [blame] | 171 | fBytesInUse += size + pad; |
| 172 | VALIDATE(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 173 | return (void*)(reinterpret_cast<intptr_t>(fBufferPtr) + usedBytes); |
| 174 | } |
| 175 | } |
| 176 | |
bsalomon@google.com | 96e96df | 2011-10-10 14:49:29 +0000 | [diff] [blame] | 177 | // We could honor the space request using by a partial update of the current |
| 178 | // VB (if there is room). But we don't currently use draw calls to GL that |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 179 | // allow the driver to know that previously issued draws won't read from |
bsalomon@google.com | 96e96df | 2011-10-10 14:49:29 +0000 | [diff] [blame] | 180 | // the part of the buffer we update. Also, the GL buffer implementation |
| 181 | // may be cheating on the actual buffer size by shrinking the buffer on |
| 182 | // updateData() if the amount of data passed is less than the full buffer |
| 183 | // size. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame^] | 184 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 185 | if (!createBlock(size)) { |
| 186 | return NULL; |
| 187 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 188 | GrAssert(NULL != fBufferPtr); |
| 189 | |
| 190 | *offset = 0; |
| 191 | BufferBlock& back = fBlocks.back(); |
| 192 | *buffer = back.fBuffer; |
| 193 | back.fBytesFree -= size; |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 194 | fBytesInUse += size; |
| 195 | VALIDATE(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 196 | return fBufferPtr; |
| 197 | } |
| 198 | |
| 199 | int GrBufferAllocPool::currentBufferItems(size_t itemSize) const { |
| 200 | VALIDATE(); |
| 201 | if (NULL != fBufferPtr) { |
| 202 | const BufferBlock& back = fBlocks.back(); |
bsalomon@google.com | cee661a | 2011-07-26 12:32:36 +0000 | [diff] [blame] | 203 | size_t usedBytes = back.fBuffer->sizeInBytes() - back.fBytesFree; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 204 | size_t pad = GrSizeAlignUpPad(usedBytes, itemSize); |
| 205 | return (back.fBytesFree - pad) / itemSize; |
| 206 | } else if (fPreallocBuffersInUse < fPreallocBuffers.count()) { |
| 207 | return fMinBlockSize / itemSize; |
| 208 | } |
| 209 | return 0; |
| 210 | } |
| 211 | |
| 212 | int GrBufferAllocPool::preallocatedBuffersRemaining() const { |
| 213 | return fPreallocBuffers.count() - fPreallocBuffersInUse; |
| 214 | } |
| 215 | |
| 216 | int GrBufferAllocPool::preallocatedBufferCount() const { |
| 217 | return fPreallocBuffers.count(); |
| 218 | } |
| 219 | |
| 220 | void GrBufferAllocPool::putBack(size_t bytes) { |
| 221 | VALIDATE(); |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 222 | |
bsalomon@google.com | b665a6b | 2012-03-01 20:59:28 +0000 | [diff] [blame] | 223 | // if the putBack unwinds all the preallocated buffers then we will |
| 224 | // advance the starting index. As blocks are destroyed fPreallocBuffersInUse |
| 225 | // will be decremented. I will reach zero if all blocks using preallocated |
| 226 | // buffers are released. |
| 227 | int preallocBuffersInUse = fPreallocBuffersInUse; |
| 228 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 229 | while (bytes) { |
| 230 | // caller shouldnt try to put back more than they've taken |
| 231 | GrAssert(!fBlocks.empty()); |
| 232 | BufferBlock& block = fBlocks.back(); |
bsalomon@google.com | cee661a | 2011-07-26 12:32:36 +0000 | [diff] [blame] | 233 | size_t bytesUsed = block.fBuffer->sizeInBytes() - block.fBytesFree; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 234 | if (bytes >= bytesUsed) { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 235 | bytes -= bytesUsed; |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 236 | fBytesInUse -= bytesUsed; |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 237 | // if we locked a vb to satisfy the make space and we're releasing |
| 238 | // beyond it, then unlock it. |
| 239 | if (block.fBuffer->isLocked()) { |
| 240 | block.fBuffer->unlock(); |
| 241 | } |
| 242 | this->destroyBlock(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 243 | } else { |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 244 | block.fBytesFree += bytes; |
| 245 | fBytesInUse -= bytes; |
| 246 | bytes = 0; |
| 247 | break; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 248 | } |
| 249 | } |
bsalomon@google.com | b665a6b | 2012-03-01 20:59:28 +0000 | [diff] [blame] | 250 | if (!fPreallocBuffersInUse && fPreallocBuffers.count()) { |
| 251 | fPreallocBufferStartIdx = (fPreallocBufferStartIdx + |
| 252 | preallocBuffersInUse) % |
| 253 | fPreallocBuffers.count(); |
| 254 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 255 | VALIDATE(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | bool GrBufferAllocPool::createBlock(size_t requestSize) { |
| 259 | |
| 260 | size_t size = GrMax(requestSize, fMinBlockSize); |
| 261 | GrAssert(size >= GrBufferAllocPool_MIN_BLOCK_SIZE); |
| 262 | |
| 263 | VALIDATE(); |
| 264 | |
| 265 | BufferBlock& block = fBlocks.push_back(); |
| 266 | |
| 267 | if (size == fMinBlockSize && |
| 268 | fPreallocBuffersInUse < fPreallocBuffers.count()) { |
| 269 | |
bsalomon@google.com | b665a6b | 2012-03-01 20:59:28 +0000 | [diff] [blame] | 270 | uint32_t nextBuffer = (fPreallocBuffersInUse + |
| 271 | fPreallocBufferStartIdx) % |
| 272 | fPreallocBuffers.count(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 273 | block.fBuffer = fPreallocBuffers[nextBuffer]; |
| 274 | block.fBuffer->ref(); |
| 275 | ++fPreallocBuffersInUse; |
| 276 | } else { |
| 277 | block.fBuffer = this->createBuffer(size); |
| 278 | if (NULL == block.fBuffer) { |
| 279 | fBlocks.pop_back(); |
| 280 | return false; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | block.fBytesFree = size; |
| 285 | if (NULL != fBufferPtr) { |
| 286 | GrAssert(fBlocks.count() > 1); |
| 287 | BufferBlock& prev = fBlocks.fromBack(1); |
| 288 | if (prev.fBuffer->isLocked()) { |
| 289 | prev.fBuffer->unlock(); |
| 290 | } else { |
| 291 | flushCpuData(prev.fBuffer, |
bsalomon@google.com | cee661a | 2011-07-26 12:32:36 +0000 | [diff] [blame] | 292 | prev.fBuffer->sizeInBytes() - prev.fBytesFree); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 293 | } |
| 294 | fBufferPtr = NULL; |
| 295 | } |
| 296 | |
| 297 | GrAssert(NULL == fBufferPtr); |
| 298 | |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 299 | if (fGpu->getCaps().fBufferLockSupport && |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 300 | size > GR_GEOM_BUFFER_LOCK_THRESHOLD && |
| 301 | (!fFrequentResetHint || requestSize > GR_GEOM_BUFFER_LOCK_THRESHOLD)) { |
| 302 | fBufferPtr = block.fBuffer->lock(); |
| 303 | } |
| 304 | |
| 305 | if (NULL == fBufferPtr) { |
bsalomon@google.com | 7d4679a | 2011-09-02 22:06:24 +0000 | [diff] [blame] | 306 | fBufferPtr = fCpuData.reset(size); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 307 | } |
| 308 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 309 | VALIDATE(true); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 310 | |
| 311 | return true; |
| 312 | } |
| 313 | |
| 314 | void GrBufferAllocPool::destroyBlock() { |
| 315 | GrAssert(!fBlocks.empty()); |
| 316 | |
| 317 | BufferBlock& block = fBlocks.back(); |
| 318 | if (fPreallocBuffersInUse > 0) { |
| 319 | uint32_t prevPreallocBuffer = (fPreallocBuffersInUse + |
bsalomon@google.com | b665a6b | 2012-03-01 20:59:28 +0000 | [diff] [blame] | 320 | fPreallocBufferStartIdx + |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 321 | (fPreallocBuffers.count() - 1)) % |
| 322 | fPreallocBuffers.count(); |
| 323 | if (block.fBuffer == fPreallocBuffers[prevPreallocBuffer]) { |
| 324 | --fPreallocBuffersInUse; |
| 325 | } |
| 326 | } |
| 327 | GrAssert(!block.fBuffer->isLocked()); |
| 328 | block.fBuffer->unref(); |
| 329 | fBlocks.pop_back(); |
| 330 | fBufferPtr = NULL; |
| 331 | } |
| 332 | |
| 333 | void GrBufferAllocPool::flushCpuData(GrGeometryBuffer* buffer, |
| 334 | size_t flushSize) { |
| 335 | GrAssert(NULL != buffer); |
| 336 | GrAssert(!buffer->isLocked()); |
| 337 | GrAssert(fCpuData.get() == fBufferPtr); |
bsalomon@google.com | cee661a | 2011-07-26 12:32:36 +0000 | [diff] [blame] | 338 | GrAssert(flushSize <= buffer->sizeInBytes()); |
bsalomon@google.com | d510809 | 2012-03-08 15:10:39 +0000 | [diff] [blame] | 339 | VALIDATE(true); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 340 | |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 341 | if (fGpu->getCaps().fBufferLockSupport && |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 342 | flushSize > GR_GEOM_BUFFER_LOCK_THRESHOLD) { |
| 343 | void* data = buffer->lock(); |
| 344 | if (NULL != data) { |
| 345 | memcpy(data, fBufferPtr, flushSize); |
| 346 | buffer->unlock(); |
bsalomon@google.com | 71bd1ef | 2011-12-12 20:42:26 +0000 | [diff] [blame] | 347 | return; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 348 | } |
| 349 | } |
| 350 | buffer->updateData(fBufferPtr, flushSize); |
bsalomon@google.com | d510809 | 2012-03-08 15:10:39 +0000 | [diff] [blame] | 351 | VALIDATE(true); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 352 | } |
| 353 | |
| 354 | GrGeometryBuffer* GrBufferAllocPool::createBuffer(size_t size) { |
| 355 | if (kIndex_BufferType == fBufferType) { |
| 356 | return fGpu->createIndexBuffer(size, true); |
| 357 | } else { |
| 358 | GrAssert(kVertex_BufferType == fBufferType); |
| 359 | return fGpu->createVertexBuffer(size, true); |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | //////////////////////////////////////////////////////////////////////////////// |
| 364 | |
| 365 | GrVertexBufferAllocPool::GrVertexBufferAllocPool(GrGpu* gpu, |
| 366 | bool frequentResetHint, |
| 367 | size_t bufferSize, |
| 368 | int preallocBufferCnt) |
| 369 | : GrBufferAllocPool(gpu, |
| 370 | kVertex_BufferType, |
| 371 | frequentResetHint, |
| 372 | bufferSize, |
| 373 | preallocBufferCnt) { |
| 374 | } |
| 375 | |
| 376 | void* GrVertexBufferAllocPool::makeSpace(GrVertexLayout layout, |
| 377 | int vertexCount, |
| 378 | const GrVertexBuffer** buffer, |
| 379 | int* startVertex) { |
| 380 | |
| 381 | GrAssert(vertexCount >= 0); |
| 382 | GrAssert(NULL != buffer); |
| 383 | GrAssert(NULL != startVertex); |
| 384 | |
| 385 | size_t vSize = GrDrawTarget::VertexSize(layout); |
bsalomon@google.com | 8b48441 | 2011-04-18 19:07:44 +0000 | [diff] [blame] | 386 | size_t offset = 0; // assign to suppress warning |
| 387 | const GrGeometryBuffer* geomBuffer = NULL; // assign to suppress warning |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 388 | void* ptr = INHERITED::makeSpace(vSize * vertexCount, |
| 389 | vSize, |
| 390 | &geomBuffer, |
| 391 | &offset); |
| 392 | |
| 393 | *buffer = (const GrVertexBuffer*) geomBuffer; |
| 394 | GrAssert(0 == offset % vSize); |
| 395 | *startVertex = offset / vSize; |
| 396 | return ptr; |
| 397 | } |
| 398 | |
| 399 | bool GrVertexBufferAllocPool::appendVertices(GrVertexLayout layout, |
| 400 | int vertexCount, |
| 401 | const void* vertices, |
| 402 | const GrVertexBuffer** buffer, |
| 403 | int* startVertex) { |
| 404 | void* space = makeSpace(layout, vertexCount, buffer, startVertex); |
| 405 | if (NULL != space) { |
| 406 | memcpy(space, |
| 407 | vertices, |
| 408 | GrDrawTarget::VertexSize(layout) * vertexCount); |
| 409 | return true; |
| 410 | } else { |
| 411 | return false; |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | int GrVertexBufferAllocPool::preallocatedBufferVertices(GrVertexLayout layout) const { |
| 416 | return INHERITED::preallocatedBufferSize() / |
| 417 | GrDrawTarget::VertexSize(layout); |
| 418 | } |
| 419 | |
| 420 | int GrVertexBufferAllocPool::currentBufferVertices(GrVertexLayout layout) const { |
| 421 | return currentBufferItems(GrDrawTarget::VertexSize(layout)); |
| 422 | } |
| 423 | |
| 424 | //////////////////////////////////////////////////////////////////////////////// |
| 425 | |
| 426 | GrIndexBufferAllocPool::GrIndexBufferAllocPool(GrGpu* gpu, |
| 427 | bool frequentResetHint, |
| 428 | size_t bufferSize, |
| 429 | int preallocBufferCnt) |
| 430 | : GrBufferAllocPool(gpu, |
| 431 | kIndex_BufferType, |
| 432 | frequentResetHint, |
| 433 | bufferSize, |
| 434 | preallocBufferCnt) { |
| 435 | } |
| 436 | |
| 437 | void* GrIndexBufferAllocPool::makeSpace(int indexCount, |
| 438 | const GrIndexBuffer** buffer, |
| 439 | int* startIndex) { |
| 440 | |
| 441 | GrAssert(indexCount >= 0); |
| 442 | GrAssert(NULL != buffer); |
| 443 | GrAssert(NULL != startIndex); |
| 444 | |
bsalomon@google.com | 8b48441 | 2011-04-18 19:07:44 +0000 | [diff] [blame] | 445 | size_t offset = 0; // assign to suppress warning |
| 446 | const GrGeometryBuffer* geomBuffer = NULL; // assign to suppress warning |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 447 | void* ptr = INHERITED::makeSpace(indexCount * sizeof(uint16_t), |
| 448 | sizeof(uint16_t), |
| 449 | &geomBuffer, |
| 450 | &offset); |
| 451 | |
| 452 | *buffer = (const GrIndexBuffer*) geomBuffer; |
| 453 | GrAssert(0 == offset % sizeof(uint16_t)); |
| 454 | *startIndex = offset / sizeof(uint16_t); |
| 455 | return ptr; |
| 456 | } |
| 457 | |
| 458 | bool GrIndexBufferAllocPool::appendIndices(int indexCount, |
| 459 | const void* indices, |
| 460 | const GrIndexBuffer** buffer, |
| 461 | int* startIndex) { |
| 462 | void* space = makeSpace(indexCount, buffer, startIndex); |
| 463 | if (NULL != space) { |
| 464 | memcpy(space, indices, sizeof(uint16_t) * indexCount); |
| 465 | return true; |
| 466 | } else { |
| 467 | return false; |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | int GrIndexBufferAllocPool::preallocatedBufferIndices() const { |
| 472 | return INHERITED::preallocatedBufferSize() / sizeof(uint16_t); |
| 473 | } |
| 474 | |
| 475 | int GrIndexBufferAllocPool::currentBufferIndices() const { |
| 476 | return currentBufferItems(sizeof(uint16_t)); |
| 477 | } |