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" |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 11 | #include "GrBuffer.h" |
bsalomon | eb1cb5c | 2015-05-22 08:01:09 -0700 | [diff] [blame] | 12 | #include "GrCaps.h" |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 13 | #include "GrContext.h" |
bsalomon@google.com | c26d94f | 2013-03-25 18:19:00 +0000 | [diff] [blame] | 14 | #include "GrGpu.h" |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 15 | #include "GrResourceProvider.h" |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 16 | #include "GrTypes.h" |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 17 | |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 18 | #include "SkTraceEvent.h" |
| 19 | |
commit-bot@chromium.org | 515dcd3 | 2013-08-28 14:17:03 +0000 | [diff] [blame] | 20 | #ifdef SK_DEBUG |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 21 | #define VALIDATE validate |
| 22 | #else |
sugoi@google.com | e0e385c | 2013-03-11 18:50:03 +0000 | [diff] [blame] | 23 | static void VALIDATE(bool = false) {} |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 24 | #endif |
| 25 | |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 26 | static const size_t MIN_VERTEX_BUFFER_SIZE = 1 << 15; |
| 27 | static const size_t MIN_INDEX_BUFFER_SIZE = 1 << 12; |
| 28 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 29 | // page size |
joshualitt | 0709ca0 | 2015-06-04 09:13:46 -0700 | [diff] [blame] | 30 | #define GrBufferAllocPool_MIN_BLOCK_SIZE ((size_t)1 << 15) |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 31 | |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 32 | #define UNMAP_BUFFER(block) \ |
| 33 | do { \ |
| 34 | TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("skia.gpu"), \ |
| 35 | "GrBufferAllocPool Unmapping Buffer", \ |
| 36 | TRACE_EVENT_SCOPE_THREAD, \ |
| 37 | "percent_unwritten", \ |
| 38 | (float)((block).fBytesFree) / (block).fBuffer->gpuMemorySize()); \ |
| 39 | (block).fBuffer->unmap(); \ |
| 40 | } while (false) |
| 41 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 42 | GrBufferAllocPool::GrBufferAllocPool(GrGpu* gpu, |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 43 | GrBufferType bufferType, |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 44 | size_t blockSize) |
| 45 | : fBlocks(8) { |
bsalomon@google.com | 11f0b51 | 2011-03-29 20:52:23 +0000 | [diff] [blame] | 46 | |
bsalomon | ecb8e3e | 2015-04-29 04:33:52 -0700 | [diff] [blame] | 47 | fGpu = SkRef(gpu); |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 48 | fCpuData = nullptr; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 49 | fBufferType = bufferType; |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 50 | fBufferPtr = nullptr; |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 51 | fMinBlockSize = SkTMax(GrBufferAllocPool_MIN_BLOCK_SIZE, blockSize); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 52 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 53 | fBytesInUse = 0; |
robertphillips | eea2ff7 | 2015-05-14 05:24:53 -0700 | [diff] [blame] | 54 | |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 55 | fBufferMapThreshold = gpu->caps()->bufferMapThreshold(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 56 | } |
| 57 | |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 58 | void GrBufferAllocPool::deleteBlocks() { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 59 | if (fBlocks.count()) { |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 60 | GrBuffer* buffer = fBlocks.back().fBuffer; |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 61 | if (buffer->isMapped()) { |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 62 | UNMAP_BUFFER(fBlocks.back()); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 63 | } |
| 64 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 65 | while (!fBlocks.empty()) { |
robertphillips | 91d06bc | 2015-05-06 04:38:36 -0700 | [diff] [blame] | 66 | this->destroyBlock(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 67 | } |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 68 | SkASSERT(!fBufferPtr); |
| 69 | } |
| 70 | |
| 71 | GrBufferAllocPool::~GrBufferAllocPool() { |
| 72 | VALIDATE(); |
| 73 | this->deleteBlocks(); |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 74 | sk_free(fCpuData); |
bsalomon | ecb8e3e | 2015-04-29 04:33:52 -0700 | [diff] [blame] | 75 | fGpu->unref(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | void GrBufferAllocPool::reset() { |
| 79 | VALIDATE(); |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 80 | fBytesInUse = 0; |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 81 | this->deleteBlocks(); |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 82 | |
| 83 | // we may have created a large cpu mirror of a large VB. Reset the size to match our minimum. |
| 84 | this->resetCpuData(fMinBlockSize); |
| 85 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 86 | VALIDATE(); |
| 87 | } |
| 88 | |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 89 | void GrBufferAllocPool::unmap() { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 90 | VALIDATE(); |
| 91 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 92 | if (fBufferPtr) { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 93 | BufferBlock& block = fBlocks.back(); |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 94 | if (block.fBuffer->isMapped()) { |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 95 | UNMAP_BUFFER(block); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 96 | } else { |
commit-bot@chromium.org | 089a780 | 2014-05-02 21:38:22 +0000 | [diff] [blame] | 97 | size_t flushSize = block.fBuffer->gpuMemorySize() - block.fBytesFree; |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 98 | this->flushCpuData(fBlocks.back(), flushSize); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 99 | } |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 100 | fBufferPtr = nullptr; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 101 | } |
| 102 | VALIDATE(); |
| 103 | } |
| 104 | |
commit-bot@chromium.org | 515dcd3 | 2013-08-28 14:17:03 +0000 | [diff] [blame] | 105 | #ifdef SK_DEBUG |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 106 | void GrBufferAllocPool::validate(bool unusedBlockAllowed) const { |
bsalomon | 71cb0c2 | 2014-11-14 12:10:14 -0800 | [diff] [blame] | 107 | bool wasDestroyed = false; |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 108 | if (fBufferPtr) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 109 | SkASSERT(!fBlocks.empty()); |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 110 | if (fBlocks.back().fBuffer->isMapped()) { |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 111 | GrBuffer* buf = fBlocks.back().fBuffer; |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 112 | SkASSERT(buf->mapPtr() == fBufferPtr); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 113 | } else { |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 114 | SkASSERT(fCpuData == fBufferPtr); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 115 | } |
| 116 | } else { |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 117 | SkASSERT(fBlocks.empty() || !fBlocks.back().fBuffer->isMapped()); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 118 | } |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 119 | size_t bytesInUse = 0; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 120 | for (int i = 0; i < fBlocks.count() - 1; ++i) { |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 121 | SkASSERT(!fBlocks[i].fBuffer->isMapped()); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 122 | } |
bsalomon | 71cb0c2 | 2014-11-14 12:10:14 -0800 | [diff] [blame] | 123 | for (int i = 0; !wasDestroyed && i < fBlocks.count(); ++i) { |
| 124 | if (fBlocks[i].fBuffer->wasDestroyed()) { |
| 125 | wasDestroyed = true; |
| 126 | } else { |
| 127 | size_t bytes = fBlocks[i].fBuffer->gpuMemorySize() - fBlocks[i].fBytesFree; |
| 128 | bytesInUse += bytes; |
| 129 | SkASSERT(bytes || unusedBlockAllowed); |
| 130 | } |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 131 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 132 | |
bsalomon | 71cb0c2 | 2014-11-14 12:10:14 -0800 | [diff] [blame] | 133 | if (!wasDestroyed) { |
| 134 | SkASSERT(bytesInUse == fBytesInUse); |
| 135 | if (unusedBlockAllowed) { |
| 136 | SkASSERT((fBytesInUse && !fBlocks.empty()) || |
| 137 | (!fBytesInUse && (fBlocks.count() < 2))); |
| 138 | } else { |
| 139 | SkASSERT((0 == fBytesInUse) == fBlocks.empty()); |
| 140 | } |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 141 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 142 | } |
| 143 | #endif |
| 144 | |
| 145 | void* GrBufferAllocPool::makeSpace(size_t size, |
| 146 | size_t alignment, |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 147 | const GrBuffer** buffer, |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 148 | size_t* offset) { |
| 149 | VALIDATE(); |
| 150 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 151 | SkASSERT(buffer); |
| 152 | SkASSERT(offset); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 153 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 154 | if (fBufferPtr) { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 155 | BufferBlock& back = fBlocks.back(); |
commit-bot@chromium.org | 089a780 | 2014-05-02 21:38:22 +0000 | [diff] [blame] | 156 | size_t usedBytes = back.fBuffer->gpuMemorySize() - back.fBytesFree; |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 157 | size_t pad = GrSizeAlignUpPad(usedBytes, alignment); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 158 | if ((size + pad) <= back.fBytesFree) { |
dongseong.hwang | 8f25c66 | 2015-01-22 10:40:20 -0800 | [diff] [blame] | 159 | memset((void*)(reinterpret_cast<intptr_t>(fBufferPtr) + usedBytes), 0, pad); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 160 | usedBytes += pad; |
| 161 | *offset = usedBytes; |
| 162 | *buffer = back.fBuffer; |
| 163 | back.fBytesFree -= size + pad; |
bsalomon@google.com | d510809 | 2012-03-08 15:10:39 +0000 | [diff] [blame] | 164 | fBytesInUse += size + pad; |
| 165 | VALIDATE(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 166 | return (void*)(reinterpret_cast<intptr_t>(fBufferPtr) + usedBytes); |
| 167 | } |
| 168 | } |
| 169 | |
bsalomon@google.com | 96e96df | 2011-10-10 14:49:29 +0000 | [diff] [blame] | 170 | // We could honor the space request using by a partial update of the current |
| 171 | // 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] | 172 | // 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] | 173 | // the part of the buffer we update. Also, the GL buffer implementation |
| 174 | // may be cheating on the actual buffer size by shrinking the buffer on |
| 175 | // updateData() if the amount of data passed is less than the full buffer |
| 176 | // size. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 177 | |
robertphillips | 91d06bc | 2015-05-06 04:38:36 -0700 | [diff] [blame] | 178 | if (!this->createBlock(size)) { |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 179 | return nullptr; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 180 | } |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 181 | SkASSERT(fBufferPtr); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 182 | |
| 183 | *offset = 0; |
| 184 | BufferBlock& back = fBlocks.back(); |
| 185 | *buffer = back.fBuffer; |
| 186 | back.fBytesFree -= size; |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 187 | fBytesInUse += size; |
| 188 | VALIDATE(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 189 | return fBufferPtr; |
| 190 | } |
| 191 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 192 | void GrBufferAllocPool::putBack(size_t bytes) { |
| 193 | VALIDATE(); |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 194 | |
| 195 | while (bytes) { |
robertphillips | 91d06bc | 2015-05-06 04:38:36 -0700 | [diff] [blame] | 196 | // caller shouldn't try to put back more than they've taken |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 197 | SkASSERT(!fBlocks.empty()); |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 198 | BufferBlock& block = fBlocks.back(); |
commit-bot@chromium.org | 089a780 | 2014-05-02 21:38:22 +0000 | [diff] [blame] | 199 | size_t bytesUsed = block.fBuffer->gpuMemorySize() - block.fBytesFree; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 200 | if (bytes >= bytesUsed) { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 201 | bytes -= bytesUsed; |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 202 | fBytesInUse -= bytesUsed; |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 203 | // if we locked a vb to satisfy the make space and we're releasing |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 204 | // beyond it, then unmap it. |
| 205 | if (block.fBuffer->isMapped()) { |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 206 | UNMAP_BUFFER(block); |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 207 | } |
| 208 | this->destroyBlock(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 209 | } else { |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 210 | block.fBytesFree += bytes; |
| 211 | fBytesInUse -= bytes; |
| 212 | bytes = 0; |
| 213 | break; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 214 | } |
| 215 | } |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 216 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 217 | VALIDATE(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | bool GrBufferAllocPool::createBlock(size_t requestSize) { |
| 221 | |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 222 | size_t size = SkTMax(requestSize, fMinBlockSize); |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 223 | SkASSERT(size >= GrBufferAllocPool_MIN_BLOCK_SIZE); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 224 | |
| 225 | VALIDATE(); |
| 226 | |
| 227 | BufferBlock& block = fBlocks.push_back(); |
| 228 | |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 229 | block.fBuffer = this->getBuffer(size); |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 230 | if (!block.fBuffer) { |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 231 | fBlocks.pop_back(); |
| 232 | return false; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 233 | } |
| 234 | |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 235 | block.fBytesFree = block.fBuffer->gpuMemorySize(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 236 | if (fBufferPtr) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 237 | SkASSERT(fBlocks.count() > 1); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 238 | BufferBlock& prev = fBlocks.fromBack(1); |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 239 | if (prev.fBuffer->isMapped()) { |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 240 | UNMAP_BUFFER(prev); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 241 | } else { |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 242 | this->flushCpuData(prev, prev.fBuffer->gpuMemorySize() - prev.fBytesFree); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 243 | } |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 244 | fBufferPtr = nullptr; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 245 | } |
| 246 | |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 247 | SkASSERT(!fBufferPtr); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 248 | |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 249 | // If the buffer is CPU-backed we map it because it is free to do so and saves a copy. |
bsalomon | ecb8e3e | 2015-04-29 04:33:52 -0700 | [diff] [blame] | 250 | // Otherwise when buffer mapping is supported we map if the buffer size is greater than the |
| 251 | // threshold. |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 252 | bool attemptMap = block.fBuffer->isCPUBacked(); |
bsalomon | 4b91f76 | 2015-05-19 09:29:46 -0700 | [diff] [blame] | 253 | if (!attemptMap && GrCaps::kNone_MapFlags != fGpu->caps()->mapBufferFlags()) { |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 254 | attemptMap = size > fBufferMapThreshold; |
bsalomon@google.com | ee3bc3b | 2013-02-21 14:33:46 +0000 | [diff] [blame] | 255 | } |
| 256 | |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 257 | if (attemptMap) { |
| 258 | fBufferPtr = block.fBuffer->map(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 259 | } |
| 260 | |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 261 | if (!fBufferPtr) { |
| 262 | fBufferPtr = this->resetCpuData(block.fBytesFree); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 263 | } |
| 264 | |
bsalomon@google.com | 25fb21f | 2011-06-21 18:17:25 +0000 | [diff] [blame] | 265 | VALIDATE(true); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 266 | |
| 267 | return true; |
| 268 | } |
| 269 | |
| 270 | void GrBufferAllocPool::destroyBlock() { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 271 | SkASSERT(!fBlocks.empty()); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 272 | |
| 273 | BufferBlock& block = fBlocks.back(); |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 274 | |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 275 | SkASSERT(!block.fBuffer->isMapped()); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 276 | block.fBuffer->unref(); |
| 277 | fBlocks.pop_back(); |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 278 | fBufferPtr = nullptr; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 279 | } |
| 280 | |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 281 | void* GrBufferAllocPool::resetCpuData(size_t newSize) { |
| 282 | sk_free(fCpuData); |
| 283 | if (newSize) { |
| 284 | if (fGpu->caps()->mustClearUploadedBufferData()) { |
| 285 | fCpuData = sk_calloc(newSize); |
| 286 | } else { |
| 287 | fCpuData = sk_malloc_throw(newSize); |
| 288 | } |
| 289 | } else { |
| 290 | fCpuData = nullptr; |
| 291 | } |
| 292 | return fCpuData; |
| 293 | } |
| 294 | |
| 295 | |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 296 | void GrBufferAllocPool::flushCpuData(const BufferBlock& block, size_t flushSize) { |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 297 | GrBuffer* buffer = block.fBuffer; |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 298 | SkASSERT(buffer); |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 299 | SkASSERT(!buffer->isMapped()); |
bsalomon | 7dea7b7 | 2015-08-19 08:26:51 -0700 | [diff] [blame] | 300 | SkASSERT(fCpuData == fBufferPtr); |
commit-bot@chromium.org | 089a780 | 2014-05-02 21:38:22 +0000 | [diff] [blame] | 301 | SkASSERT(flushSize <= buffer->gpuMemorySize()); |
bsalomon@google.com | d510809 | 2012-03-08 15:10:39 +0000 | [diff] [blame] | 302 | VALIDATE(true); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 303 | |
bsalomon | 4b91f76 | 2015-05-19 09:29:46 -0700 | [diff] [blame] | 304 | if (GrCaps::kNone_MapFlags != fGpu->caps()->mapBufferFlags() && |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 305 | flushSize > fBufferMapThreshold) { |
commit-bot@chromium.org | 8341eb7 | 2014-05-07 20:51:05 +0000 | [diff] [blame] | 306 | void* data = buffer->map(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 307 | if (data) { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 308 | memcpy(data, fBufferPtr, flushSize); |
bsalomon | 3512eda | 2014-06-26 12:56:22 -0700 | [diff] [blame] | 309 | UNMAP_BUFFER(block); |
bsalomon@google.com | 71bd1ef | 2011-12-12 20:42:26 +0000 | [diff] [blame] | 310 | return; |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 311 | } |
| 312 | } |
| 313 | buffer->updateData(fBufferPtr, flushSize); |
bsalomon@google.com | d510809 | 2012-03-08 15:10:39 +0000 | [diff] [blame] | 314 | VALIDATE(true); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 315 | } |
| 316 | |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 317 | GrBuffer* GrBufferAllocPool::getBuffer(size_t size) { |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 318 | |
| 319 | GrResourceProvider* rp = fGpu->getContext()->resourceProvider(); |
| 320 | |
halcanary | 6950de6 | 2015-11-07 05:29:00 -0800 | [diff] [blame] | 321 | // Shouldn't have to use this flag (https://bug.skia.org/4156) |
bsalomon | eae6200 | 2015-07-31 13:59:30 -0700 | [diff] [blame] | 322 | static const uint32_t kFlags = GrResourceProvider::kNoPendingIO_Flag; |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 323 | return rp->createBuffer(fBufferType, size, kDynamic_GrAccessPattern, kFlags); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 324 | } |
| 325 | |
| 326 | //////////////////////////////////////////////////////////////////////////////// |
| 327 | |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 328 | GrVertexBufferAllocPool::GrVertexBufferAllocPool(GrGpu* gpu) |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 329 | : GrBufferAllocPool(gpu, kVertex_GrBufferType, MIN_VERTEX_BUFFER_SIZE) { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 330 | } |
| 331 | |
jvanverth@google.com | a633898 | 2013-01-31 21:34:25 +0000 | [diff] [blame] | 332 | void* GrVertexBufferAllocPool::makeSpace(size_t vertexSize, |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 333 | int vertexCount, |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 334 | const GrBuffer** buffer, |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 335 | int* startVertex) { |
| 336 | |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 337 | SkASSERT(vertexCount >= 0); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 338 | SkASSERT(buffer); |
| 339 | SkASSERT(startVertex); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 340 | |
bsalomon@google.com | 8b48441 | 2011-04-18 19:07:44 +0000 | [diff] [blame] | 341 | size_t offset = 0; // assign to suppress warning |
jvanverth@google.com | a633898 | 2013-01-31 21:34:25 +0000 | [diff] [blame] | 342 | void* ptr = INHERITED::makeSpace(vertexSize * vertexCount, |
| 343 | vertexSize, |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 344 | buffer, |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 345 | &offset); |
| 346 | |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 347 | SkASSERT(0 == offset % vertexSize); |
robertphillips@google.com | adacc70 | 2013-10-14 21:53:24 +0000 | [diff] [blame] | 348 | *startVertex = static_cast<int>(offset / vertexSize); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 349 | return ptr; |
| 350 | } |
| 351 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 352 | //////////////////////////////////////////////////////////////////////////////// |
| 353 | |
robertphillips | 1b8e1b5 | 2015-06-24 06:54:10 -0700 | [diff] [blame] | 354 | GrIndexBufferAllocPool::GrIndexBufferAllocPool(GrGpu* gpu) |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 355 | : GrBufferAllocPool(gpu, kIndex_GrBufferType, MIN_INDEX_BUFFER_SIZE) { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | void* GrIndexBufferAllocPool::makeSpace(int indexCount, |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 359 | const GrBuffer** buffer, |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 360 | int* startIndex) { |
| 361 | |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 362 | SkASSERT(indexCount >= 0); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 363 | SkASSERT(buffer); |
| 364 | SkASSERT(startIndex); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 365 | |
bsalomon@google.com | 8b48441 | 2011-04-18 19:07:44 +0000 | [diff] [blame] | 366 | size_t offset = 0; // assign to suppress warning |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 367 | void* ptr = INHERITED::makeSpace(indexCount * sizeof(uint16_t), |
| 368 | sizeof(uint16_t), |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame^] | 369 | buffer, |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 370 | &offset); |
| 371 | |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 372 | SkASSERT(0 == offset % sizeof(uint16_t)); |
robertphillips@google.com | adacc70 | 2013-10-14 21:53:24 +0000 | [diff] [blame] | 373 | *startIndex = static_cast<int>(offset / sizeof(uint16_t)); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 374 | return ptr; |
| 375 | } |