epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2011 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 | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 9 | |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 10 | #include "GrContext.h" |
| 11 | |
tomhudson@google.com | aa72eab | 2012-07-19 18:01:07 +0000 | [diff] [blame] | 12 | #include "effects/GrSingleTextureEffect.h" |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 13 | #include "effects/GrConfigConversionEffect.h" |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 14 | |
jvanverth@google.com | bfe2b9d | 2013-09-06 16:57:29 +0000 | [diff] [blame] | 15 | #include "GrAARectRenderer.h" |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 16 | #include "GrBufferAllocPool.h" |
bsalomon@google.com | 05ef510 | 2011-05-02 21:14:59 +0000 | [diff] [blame] | 17 | #include "GrGpu.h" |
bsalomon@google.com | c26d94f | 2013-03-25 18:19:00 +0000 | [diff] [blame] | 18 | #include "GrDrawTargetCaps.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 19 | #include "GrIndexBuffer.h" |
| 20 | #include "GrInOrderDrawBuffer.h" |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 21 | #include "GrOvalRenderer.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 22 | #include "GrPathRenderer.h" |
tomhudson@google.com | d22b6e4 | 2011-06-24 15:53:40 +0000 | [diff] [blame] | 23 | #include "GrPathUtils.h" |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 24 | #include "GrResourceCache.h" |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 25 | #include "GrSoftwarePathRenderer.h" |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 26 | #include "GrStencilBuffer.h" |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 27 | #include "GrTextStrike.h" |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 28 | #include "SkRTConf.h" |
commit-bot@chromium.org | 19dd017 | 2013-08-05 13:28:55 +0000 | [diff] [blame] | 29 | #include "SkRRect.h" |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 30 | #include "SkStrokeRec.h" |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 31 | #include "SkTLazy.h" |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 32 | #include "SkTLS.h" |
tomhudson@google.com | 0c8d93a | 2011-07-01 17:08:26 +0000 | [diff] [blame] | 33 | #include "SkTrace.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 34 | |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 35 | // It can be useful to set this to false to test whether a bug is caused by using the |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 36 | // InOrderDrawBuffer, to compare performance of using/not using InOrderDrawBuffer, or to make |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 37 | // debugging simpler. |
bsalomon@google.com | e932c98 | 2013-09-10 19:47:01 +0000 | [diff] [blame] | 38 | SK_CONF_DECLARE(bool, c_Defer, "gpu.deferContext", true, |
jvanverth@google.com | 65eb4d5 | 2013-03-19 18:51:02 +0000 | [diff] [blame] | 39 | "Defers rendering in GrContext via GrInOrderDrawBuffer."); |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 40 | |
| 41 | #define BUFFERED_DRAW (c_Defer ? kYes_BufferedDraw : kNo_BufferedDraw) |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 42 | |
commit-bot@chromium.org | 515dcd3 | 2013-08-28 14:17:03 +0000 | [diff] [blame] | 43 | #ifdef SK_DEBUG |
reed@google.com | 4b2d3f3 | 2012-05-15 18:05:50 +0000 | [diff] [blame] | 44 | // change this to a 1 to see notifications when partial coverage fails |
| 45 | #define GR_DEBUG_PARTIAL_COVERAGE_CHECK 0 |
| 46 | #else |
| 47 | #define GR_DEBUG_PARTIAL_COVERAGE_CHECK 0 |
| 48 | #endif |
| 49 | |
robertphillips@google.com | 4e5559a | 2013-10-30 17:04:16 +0000 | [diff] [blame] | 50 | static const size_t MAX_RESOURCE_CACHE_COUNT = GR_DEFAULT_RESOURCE_CACHE_COUNT_LIMIT; |
| 51 | static const size_t MAX_RESOURCE_CACHE_BYTES = GR_DEFAULT_RESOURCE_CACHE_MB_LIMIT * 1024 * 1024; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 52 | |
bsalomon@google.com | 6036149 | 2012-03-15 17:47:06 +0000 | [diff] [blame] | 53 | static const size_t DRAW_BUFFER_VBPOOL_BUFFER_SIZE = 1 << 15; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 54 | static const int DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS = 4; |
| 55 | |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 56 | static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = 1 << 11; |
| 57 | static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = 4; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 58 | |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 59 | #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this) |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 60 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 61 | // Glorified typedef to avoid including GrDrawState.h in GrContext.h |
| 62 | class GrContext::AutoRestoreEffects : public GrDrawState::AutoRestoreEffects {}; |
| 63 | |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 64 | class GrContext::AutoCheckFlush { |
| 65 | public: |
| 66 | AutoCheckFlush(GrContext* context) : fContext(context) { SkASSERT(NULL != context); } |
| 67 | |
| 68 | ~AutoCheckFlush() { |
| 69 | if (fContext->fFlushToReduceCacheSize) { |
| 70 | fContext->flush(); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | private: |
| 75 | GrContext* fContext; |
| 76 | }; |
| 77 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 78 | GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext) { |
| 79 | GrContext* context = SkNEW(GrContext); |
| 80 | if (context->init(backend, backendContext)) { |
| 81 | return context; |
| 82 | } else { |
| 83 | context->unref(); |
| 84 | return NULL; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 85 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 86 | } |
| 87 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 88 | GrContext::GrContext() { |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 89 | fDrawState = NULL; |
| 90 | fGpu = NULL; |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 91 | fClip = NULL; |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 92 | fPathRendererChain = NULL; |
| 93 | fSoftwarePathRenderer = NULL; |
| 94 | fTextureCache = NULL; |
| 95 | fFontCache = NULL; |
| 96 | fDrawBuffer = NULL; |
| 97 | fDrawBufferVBAllocPool = NULL; |
| 98 | fDrawBufferIBAllocPool = NULL; |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 99 | fFlushToReduceCacheSize = false; |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 100 | fAARectRenderer = NULL; |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 101 | fOvalRenderer = NULL; |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 102 | fViewMatrix.reset(); |
robertphillips@google.com | 44a91dc | 2013-07-25 15:32:06 +0000 | [diff] [blame] | 103 | fMaxTextureSizeOverride = 1 << 20; |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | bool GrContext::init(GrBackend backend, GrBackendContext backendContext) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 107 | SkASSERT(NULL == fGpu); |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 108 | |
| 109 | fGpu = GrGpu::Create(backend, backendContext, this); |
| 110 | if (NULL == fGpu) { |
| 111 | return false; |
| 112 | } |
| 113 | |
| 114 | fDrawState = SkNEW(GrDrawState); |
| 115 | fGpu->setDrawState(fDrawState); |
| 116 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 117 | fTextureCache = SkNEW_ARGS(GrResourceCache, |
robertphillips@google.com | 4e5559a | 2013-10-30 17:04:16 +0000 | [diff] [blame] | 118 | (MAX_RESOURCE_CACHE_COUNT, |
| 119 | MAX_RESOURCE_CACHE_BYTES)); |
commit-bot@chromium.org | 1836d33 | 2013-07-16 22:55:03 +0000 | [diff] [blame] | 120 | fTextureCache->setOverbudgetCallback(OverbudgetCB, this); |
| 121 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 122 | fFontCache = SkNEW_ARGS(GrFontCache, (fGpu)); |
| 123 | |
| 124 | fLastDrawWasBuffered = kNo_BufferedDraw; |
| 125 | |
| 126 | fAARectRenderer = SkNEW(GrAARectRenderer); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 127 | fOvalRenderer = SkNEW(GrOvalRenderer); |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 128 | |
| 129 | fDidTestPMConversions = false; |
| 130 | |
| 131 | this->setupDrawBuffer(); |
| 132 | |
| 133 | return true; |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 134 | } |
| 135 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 136 | GrContext::~GrContext() { |
bsalomon@google.com | 733c062 | 2013-04-24 17:59:32 +0000 | [diff] [blame] | 137 | if (NULL == fGpu) { |
| 138 | return; |
| 139 | } |
| 140 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 141 | this->flush(); |
robertphillips@google.com | 5acc0e3 | 2012-05-17 12:01:02 +0000 | [diff] [blame] | 142 | |
robertphillips@google.com | 950b1b0 | 2013-10-21 17:37:28 +0000 | [diff] [blame] | 143 | for (int i = 0; i < fCleanUpData.count(); ++i) { |
| 144 | (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo); |
| 145 | } |
| 146 | |
robertphillips@google.com | 5acc0e3 | 2012-05-17 12:01:02 +0000 | [diff] [blame] | 147 | // Since the gpu can hold scratch textures, give it a chance to let go |
| 148 | // of them before freeing the texture cache |
| 149 | fGpu->purgeResources(); |
| 150 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 151 | delete fTextureCache; |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 152 | fTextureCache = NULL; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 153 | delete fFontCache; |
| 154 | delete fDrawBuffer; |
| 155 | delete fDrawBufferVBAllocPool; |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 156 | delete fDrawBufferIBAllocPool; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 157 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 158 | fAARectRenderer->unref(); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 159 | fOvalRenderer->unref(); |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 160 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 161 | fGpu->unref(); |
commit-bot@chromium.org | a4de8c2 | 2013-09-09 13:38:37 +0000 | [diff] [blame] | 162 | SkSafeUnref(fPathRendererChain); |
| 163 | SkSafeUnref(fSoftwarePathRenderer); |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 164 | fDrawState->unref(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 165 | } |
| 166 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 167 | void GrContext::contextLost() { |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 168 | this->contextDestroyed(); |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 169 | this->setupDrawBuffer(); |
| 170 | } |
| 171 | |
| 172 | void GrContext::contextDestroyed() { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 173 | // abandon first to so destructors |
| 174 | // don't try to free the resources in the API. |
| 175 | fGpu->abandonResources(); |
| 176 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 177 | // a path renderer may be holding onto resources that |
| 178 | // are now unusable |
commit-bot@chromium.org | a4de8c2 | 2013-09-09 13:38:37 +0000 | [diff] [blame] | 179 | SkSafeSetNull(fPathRendererChain); |
| 180 | SkSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 181 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 182 | delete fDrawBuffer; |
| 183 | fDrawBuffer = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 184 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 185 | delete fDrawBufferVBAllocPool; |
| 186 | fDrawBufferVBAllocPool = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 187 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 188 | delete fDrawBufferIBAllocPool; |
| 189 | fDrawBufferIBAllocPool = NULL; |
| 190 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 191 | fAARectRenderer->reset(); |
commit-bot@chromium.org | ef284a8 | 2013-07-11 22:29:29 +0000 | [diff] [blame] | 192 | fOvalRenderer->reset(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 193 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 194 | fTextureCache->purgeAllUnlocked(); |
commit-bot@chromium.org | 5c8ee25 | 2013-11-01 15:23:44 +0000 | [diff] [blame] | 195 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 196 | fFontCache->freeAll(); |
| 197 | fGpu->markContextDirty(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 198 | } |
| 199 | |
bsalomon@google.com | 0a208a1 | 2013-06-28 18:57:35 +0000 | [diff] [blame] | 200 | void GrContext::resetContext(uint32_t state) { |
| 201 | fGpu->markContextDirty(state); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | void GrContext::freeGpuResources() { |
| 205 | this->flush(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 206 | |
robertphillips@google.com | ff17584 | 2012-05-14 19:31:39 +0000 | [diff] [blame] | 207 | fGpu->purgeResources(); |
| 208 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 209 | fAARectRenderer->reset(); |
commit-bot@chromium.org | ef284a8 | 2013-07-11 22:29:29 +0000 | [diff] [blame] | 210 | fOvalRenderer->reset(); |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 211 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 212 | fTextureCache->purgeAllUnlocked(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 213 | fFontCache->freeAll(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 214 | // a path renderer may be holding onto resources |
commit-bot@chromium.org | a4de8c2 | 2013-09-09 13:38:37 +0000 | [diff] [blame] | 215 | SkSafeSetNull(fPathRendererChain); |
| 216 | SkSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 217 | } |
| 218 | |
twiz@google.com | 05e7024 | 2012-01-27 19:12:00 +0000 | [diff] [blame] | 219 | size_t GrContext::getGpuTextureCacheBytes() const { |
| 220 | return fTextureCache->getCachedResourceBytes(); |
| 221 | } |
| 222 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 223 | //////////////////////////////////////////////////////////////////////////////// |
| 224 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 225 | GrTexture* GrContext::findAndRefTexture(const GrTextureDesc& desc, |
| 226 | const GrCacheID& cacheID, |
| 227 | const GrTextureParams* params) { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 228 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 229 | GrResource* resource = fTextureCache->find(resourceKey); |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 230 | SkSafeRef(resource); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 231 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 232 | } |
| 233 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 234 | bool GrContext::isTextureInCache(const GrTextureDesc& desc, |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 235 | const GrCacheID& cacheID, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 236 | const GrTextureParams* params) const { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 237 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 238 | return fTextureCache->hasKey(resourceKey); |
| 239 | } |
| 240 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 241 | void GrContext::addStencilBuffer(GrStencilBuffer* sb) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 242 | ASSERT_OWNED_RESOURCE(sb); |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 243 | |
| 244 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(sb->width(), |
| 245 | sb->height(), |
| 246 | sb->numSamples()); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 247 | fTextureCache->addResource(resourceKey, sb); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 248 | } |
| 249 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 250 | GrStencilBuffer* GrContext::findStencilBuffer(int width, int height, |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 251 | int sampleCnt) { |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 252 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(width, |
| 253 | height, |
| 254 | sampleCnt); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 255 | GrResource* resource = fTextureCache->find(resourceKey); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 256 | return static_cast<GrStencilBuffer*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 257 | } |
| 258 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 259 | static void stretchImage(void* dst, |
| 260 | int dstW, |
| 261 | int dstH, |
| 262 | void* src, |
| 263 | int srcW, |
| 264 | int srcH, |
robertphillips@google.com | 8b16931 | 2013-10-15 17:47:36 +0000 | [diff] [blame] | 265 | size_t bpp) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 266 | GrFixed dx = (srcW << 16) / dstW; |
| 267 | GrFixed dy = (srcH << 16) / dstH; |
| 268 | |
| 269 | GrFixed y = dy >> 1; |
| 270 | |
robertphillips@google.com | 8b16931 | 2013-10-15 17:47:36 +0000 | [diff] [blame] | 271 | size_t dstXLimit = dstW*bpp; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 272 | for (int j = 0; j < dstH; ++j) { |
| 273 | GrFixed x = dx >> 1; |
| 274 | void* srcRow = (uint8_t*)src + (y>>16)*srcW*bpp; |
| 275 | void* dstRow = (uint8_t*)dst + j*dstW*bpp; |
robertphillips@google.com | 8b16931 | 2013-10-15 17:47:36 +0000 | [diff] [blame] | 276 | for (size_t i = 0; i < dstXLimit; i += bpp) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 277 | memcpy((uint8_t*) dstRow + i, |
| 278 | (uint8_t*) srcRow + (x>>16)*bpp, |
| 279 | bpp); |
| 280 | x += dx; |
| 281 | } |
| 282 | y += dy; |
| 283 | } |
| 284 | } |
| 285 | |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 286 | namespace { |
| 287 | |
| 288 | // position + local coordinate |
| 289 | extern const GrVertexAttrib gVertexAttribs[] = { |
| 290 | {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, |
| 291 | {kVec2f_GrVertexAttribType, sizeof(GrPoint), kLocalCoord_GrVertexAttribBinding} |
| 292 | }; |
| 293 | |
| 294 | }; |
| 295 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 296 | // The desired texture is NPOT and tiled but that isn't supported by |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 297 | // the current hardware. Resize the texture to be a POT |
| 298 | GrTexture* GrContext::createResizedTexture(const GrTextureDesc& desc, |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 299 | const GrCacheID& cacheID, |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 300 | void* srcData, |
| 301 | size_t rowBytes, |
humper@google.com | b86add1 | 2013-07-25 18:49:07 +0000 | [diff] [blame] | 302 | bool filter) { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 303 | SkAutoTUnref<GrTexture> clampedTexture(this->findAndRefTexture(desc, cacheID, NULL)); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 304 | if (NULL == clampedTexture) { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 305 | clampedTexture.reset(this->createTexture(NULL, desc, cacheID, srcData, rowBytes)); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 306 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 307 | if (NULL == clampedTexture) { |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 308 | return NULL; |
| 309 | } |
| 310 | } |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 311 | |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 312 | GrTextureDesc rtDesc = desc; |
| 313 | rtDesc.fFlags = rtDesc.fFlags | |
| 314 | kRenderTarget_GrTextureFlagBit | |
| 315 | kNoStencil_GrTextureFlagBit; |
commit-bot@chromium.org | 5898dce | 2013-09-18 18:52:16 +0000 | [diff] [blame] | 316 | rtDesc.fWidth = GrNextPow2(desc.fWidth); |
| 317 | rtDesc.fHeight = GrNextPow2(desc.fHeight); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 318 | |
| 319 | GrTexture* texture = fGpu->createTexture(rtDesc, NULL, 0); |
| 320 | |
| 321 | if (NULL != texture) { |
| 322 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
| 323 | GrDrawState* drawState = fGpu->drawState(); |
| 324 | drawState->setRenderTarget(texture->asRenderTarget()); |
| 325 | |
| 326 | // if filtering is not desired then we want to ensure all |
| 327 | // texels in the resampled image are copies of texels from |
| 328 | // the original. |
humper@google.com | b86add1 | 2013-07-25 18:49:07 +0000 | [diff] [blame] | 329 | GrTextureParams params(SkShader::kClamp_TileMode, filter ? GrTextureParams::kBilerp_FilterMode : |
| 330 | GrTextureParams::kNone_FilterMode); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 331 | drawState->addColorTextureEffect(clampedTexture, SkMatrix::I(), params); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 332 | |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 333 | drawState->setVertexAttribs<gVertexAttribs>(SK_ARRAY_COUNT(gVertexAttribs)); |
jvanverth@google.com | 054ae99 | 2013-04-01 20:06:51 +0000 | [diff] [blame] | 334 | |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 335 | GrDrawTarget::AutoReleaseGeometry arg(fGpu, 4, 0); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 336 | |
| 337 | if (arg.succeeded()) { |
| 338 | GrPoint* verts = (GrPoint*) arg.vertices(); |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 339 | verts[0].setIRectFan(0, 0, texture->width(), texture->height(), 2 * sizeof(GrPoint)); |
| 340 | verts[1].setIRectFan(0, 0, 1, 1, 2 * sizeof(GrPoint)); |
| 341 | fGpu->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 342 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 343 | } else { |
| 344 | // TODO: Our CPU stretch doesn't filter. But we create separate |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 345 | // stretched textures when the texture params is either filtered or |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 346 | // not. Either implement filtered stretch blit on CPU or just create |
| 347 | // one when FBO case fails. |
| 348 | |
| 349 | rtDesc.fFlags = kNone_GrTextureFlags; |
| 350 | // no longer need to clamp at min RT size. |
| 351 | rtDesc.fWidth = GrNextPow2(desc.fWidth); |
| 352 | rtDesc.fHeight = GrNextPow2(desc.fHeight); |
robertphillips@google.com | 8b16931 | 2013-10-15 17:47:36 +0000 | [diff] [blame] | 353 | size_t bpp = GrBytesPerPixel(desc.fConfig); |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 354 | SkAutoSMalloc<128*128*4> stretchedPixels(bpp * rtDesc.fWidth * rtDesc.fHeight); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 355 | stretchImage(stretchedPixels.get(), rtDesc.fWidth, rtDesc.fHeight, |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 356 | srcData, desc.fWidth, desc.fHeight, bpp); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 357 | |
| 358 | size_t stretchedRowBytes = rtDesc.fWidth * bpp; |
| 359 | |
jvanverth@google.com | 65eb4d5 | 2013-03-19 18:51:02 +0000 | [diff] [blame] | 360 | SkDEBUGCODE(GrTexture* texture = )fGpu->createTexture(rtDesc, stretchedPixels.get(), |
| 361 | stretchedRowBytes); |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 362 | SkASSERT(NULL != texture); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 363 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 364 | |
| 365 | return texture; |
| 366 | } |
| 367 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 368 | GrTexture* GrContext::createTexture(const GrTextureParams* params, |
| 369 | const GrTextureDesc& desc, |
| 370 | const GrCacheID& cacheID, |
| 371 | void* srcData, |
commit-bot@chromium.org | 50a3043 | 2013-10-24 17:44:27 +0000 | [diff] [blame] | 372 | size_t rowBytes, |
| 373 | GrResourceKey* cacheKey) { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 374 | SK_TRACE_EVENT0("GrContext::createTexture"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 375 | |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 376 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID); |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 377 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 378 | GrTexture* texture; |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 379 | if (GrTexture::NeedsResizing(resourceKey)) { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 380 | texture = this->createResizedTexture(desc, cacheID, |
| 381 | srcData, rowBytes, |
humper@google.com | b86add1 | 2013-07-25 18:49:07 +0000 | [diff] [blame] | 382 | GrTexture::NeedsBilerp(resourceKey)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 383 | } else { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 384 | texture= fGpu->createTexture(desc, srcData, rowBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 385 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 386 | |
| 387 | if (NULL != texture) { |
robertphillips@google.com | 1622a6d | 2013-07-18 17:11:45 +0000 | [diff] [blame] | 388 | // Adding a resource could put us overbudget. Try to free up the |
| 389 | // necessary space before adding it. |
| 390 | fTextureCache->purgeAsNeeded(1, texture->sizeInBytes()); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 391 | fTextureCache->addResource(resourceKey, texture); |
commit-bot@chromium.org | 50a3043 | 2013-10-24 17:44:27 +0000 | [diff] [blame] | 392 | |
| 393 | if (NULL != cacheKey) { |
| 394 | *cacheKey = resourceKey; |
| 395 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 396 | } |
| 397 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 398 | return texture; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 399 | } |
| 400 | |
skia.committer@gmail.com | 1f3c738 | 2013-07-20 07:00:58 +0000 | [diff] [blame] | 401 | static GrTexture* create_scratch_texture(GrGpu* gpu, |
| 402 | GrResourceCache* textureCache, |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 403 | const GrTextureDesc& desc) { |
| 404 | GrTexture* texture = gpu->createTexture(desc, NULL, 0); |
| 405 | if (NULL != texture) { |
| 406 | GrResourceKey key = GrTexture::ComputeScratchKey(texture->desc()); |
| 407 | // Adding a resource could put us overbudget. Try to free up the |
| 408 | // necessary space before adding it. |
| 409 | textureCache->purgeAsNeeded(1, texture->sizeInBytes()); |
| 410 | // Make the resource exclusive so future 'find' calls don't return it |
| 411 | textureCache->addResource(key, texture, GrResourceCache::kHide_OwnershipFlag); |
| 412 | } |
| 413 | return texture; |
| 414 | } |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 415 | |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 416 | GrTexture* GrContext::lockAndRefScratchTexture(const GrTextureDesc& inDesc, ScratchTexMatch match) { |
| 417 | |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 418 | SkASSERT((inDesc.fFlags & kRenderTarget_GrTextureFlagBit) || |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 419 | !(inDesc.fFlags & kNoStencil_GrTextureFlagBit)); |
| 420 | |
| 421 | // Renderable A8 targets are not universally supported (e.g., not on ANGLE) |
bsalomon@google.com | 8aaac8d | 2013-10-15 14:35:06 +0000 | [diff] [blame] | 422 | SkASSERT(this->isConfigRenderable(kAlpha_8_GrPixelConfig, inDesc.fSampleCnt > 0) || |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 423 | !(inDesc.fFlags & kRenderTarget_GrTextureFlagBit) || |
| 424 | (inDesc.fConfig != kAlpha_8_GrPixelConfig)); |
| 425 | |
robertphillips@google.com | 2d2e5c4 | 2013-10-30 21:30:43 +0000 | [diff] [blame] | 426 | if (!fGpu->caps()->reuseScratchTextures() && |
| 427 | !(inDesc.fFlags & kRenderTarget_GrTextureFlagBit)) { |
| 428 | // If we're never recycling this texture we can always make it the right size |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 429 | return create_scratch_texture(fGpu, fTextureCache, inDesc); |
| 430 | } |
| 431 | |
| 432 | GrTextureDesc desc = inDesc; |
rileya@google.com | 2afb8ec | 2012-08-23 14:08:57 +0000 | [diff] [blame] | 433 | |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 434 | if (kApprox_ScratchTexMatch == match) { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 435 | // bin by pow2 with a reasonable min |
bsalomon@google.com | 40db6dc | 2013-03-06 16:35:49 +0000 | [diff] [blame] | 436 | static const int MIN_SIZE = 16; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 437 | desc.fWidth = GrMax(MIN_SIZE, GrNextPow2(desc.fWidth)); |
| 438 | desc.fHeight = GrMax(MIN_SIZE, GrNextPow2(desc.fHeight)); |
| 439 | } |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 440 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 441 | GrResource* resource = NULL; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 442 | int origWidth = desc.fWidth; |
| 443 | int origHeight = desc.fHeight; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 444 | |
| 445 | do { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 446 | GrResourceKey key = GrTexture::ComputeScratchKey(desc); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 447 | // Ensure we have exclusive access to the texture so future 'find' calls don't return it |
| 448 | resource = fTextureCache->find(key, GrResourceCache::kHide_OwnershipFlag); |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 449 | if (NULL != resource) { |
| 450 | resource->ref(); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 451 | break; |
| 452 | } |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 453 | if (kExact_ScratchTexMatch == match) { |
| 454 | break; |
| 455 | } |
bsalomon@google.com | 40db6dc | 2013-03-06 16:35:49 +0000 | [diff] [blame] | 456 | // We had a cache miss and we are in approx mode, relax the fit of the flags. |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 457 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 458 | // We no longer try to reuse textures that were previously used as render targets in |
rileya@google.com | 2afb8ec | 2012-08-23 14:08:57 +0000 | [diff] [blame] | 459 | // situations where no RT is needed; doing otherwise can confuse the video driver and |
| 460 | // cause significant performance problems in some cases. |
| 461 | if (desc.fFlags & kNoStencil_GrTextureFlagBit) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 462 | desc.fFlags = desc.fFlags & ~kNoStencil_GrTextureFlagBit; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 463 | } else { |
| 464 | break; |
| 465 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 466 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 467 | } while (true); |
| 468 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 469 | if (NULL == resource) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 470 | desc.fFlags = inDesc.fFlags; |
| 471 | desc.fWidth = origWidth; |
| 472 | desc.fHeight = origHeight; |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 473 | resource = create_scratch_texture(fGpu, fTextureCache, desc); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 474 | } |
| 475 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 476 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 477 | } |
| 478 | |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 479 | void GrContext::addExistingTextureToCache(GrTexture* texture) { |
| 480 | |
| 481 | if (NULL == texture) { |
| 482 | return; |
| 483 | } |
| 484 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 485 | // This texture should already have a cache entry since it was once |
| 486 | // attached |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 487 | SkASSERT(NULL != texture->getCacheEntry()); |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 488 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 489 | // Conceptually, the cache entry is going to assume responsibility |
robertphillips@google.com | 9ef0426 | 2013-10-29 14:06:15 +0000 | [diff] [blame] | 490 | // for the creation ref. Assert refcnt == 1. |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 491 | SkASSERT(texture->unique()); |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 492 | |
robertphillips@google.com | 2d2e5c4 | 2013-10-30 21:30:43 +0000 | [diff] [blame] | 493 | if (fGpu->caps()->reuseScratchTextures() || NULL != texture->asRenderTarget()) { |
robertphillips@google.com | 9ef0426 | 2013-10-29 14:06:15 +0000 | [diff] [blame] | 494 | // Since this texture came from an AutoScratchTexture it should |
| 495 | // still be in the exclusive pile. Recycle it. |
| 496 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 497 | this->purgeCache(); |
robertphillips@google.com | 9ef0426 | 2013-10-29 14:06:15 +0000 | [diff] [blame] | 498 | } else if (texture->getDeferredRefCount() <= 0) { |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 499 | // When we aren't reusing textures we know this scratch texture |
| 500 | // will never be reused and would be just wasting time in the cache |
robertphillips@google.com | 9ef0426 | 2013-10-29 14:06:15 +0000 | [diff] [blame] | 501 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 502 | fTextureCache->deleteResource(texture->getCacheEntry()); |
robertphillips@google.com | 9ef0426 | 2013-10-29 14:06:15 +0000 | [diff] [blame] | 503 | } else { |
| 504 | // In this case (fDeferredRefCount > 0) but the cache is the only |
| 505 | // one holding a real ref. Mark the object so when the deferred |
| 506 | // ref count goes to 0 the texture will be deleted (remember |
| 507 | // in this code path scratch textures aren't getting reused). |
| 508 | texture->setNeedsDeferredUnref(); |
robertphillips@google.com | e4eaea2 | 2013-07-19 16:51:46 +0000 | [diff] [blame] | 509 | } |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 510 | } |
| 511 | |
robertphillips@google.com | a9b0623 | 2012-08-30 11:06:31 +0000 | [diff] [blame] | 512 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 513 | void GrContext::unlockScratchTexture(GrTexture* texture) { |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 514 | ASSERT_OWNED_RESOURCE(texture); |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 515 | SkASSERT(NULL != texture->getCacheEntry()); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 516 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 517 | // If this is a scratch texture we detached it from the cache |
| 518 | // while it was locked (to avoid two callers simultaneously getting |
| 519 | // the same texture). |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 520 | if (texture->getCacheEntry()->key().isScratch()) { |
robertphillips@google.com | 2d2e5c4 | 2013-10-30 21:30:43 +0000 | [diff] [blame] | 521 | if (fGpu->caps()->reuseScratchTextures() || NULL != texture->asRenderTarget()) { |
robertphillips@google.com | 9ef0426 | 2013-10-29 14:06:15 +0000 | [diff] [blame] | 522 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
| 523 | this->purgeCache(); |
| 524 | } else if (texture->unique() && texture->getDeferredRefCount() <= 0) { |
skia.committer@gmail.com | b77f0f4 | 2013-10-30 07:01:56 +0000 | [diff] [blame] | 525 | // Only the cache now knows about this texture. Since we're never |
| 526 | // reusing scratch textures (in this code path) it would just be |
robertphillips@google.com | 9ef0426 | 2013-10-29 14:06:15 +0000 | [diff] [blame] | 527 | // wasting time sitting in the cache. |
| 528 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
| 529 | fTextureCache->deleteResource(texture->getCacheEntry()); |
| 530 | } else { |
| 531 | // In this case (fRefCnt > 1 || defRefCnt > 0) but we don't really |
skia.committer@gmail.com | b77f0f4 | 2013-10-30 07:01:56 +0000 | [diff] [blame] | 532 | // want to readd it to the cache (since it will never be reused). |
robertphillips@google.com | 9ef0426 | 2013-10-29 14:06:15 +0000 | [diff] [blame] | 533 | // Instead, give up the cache's ref and leave the decision up to |
| 534 | // addExistingTextureToCache once its ref count reaches 0. For |
| 535 | // this to work we need to leave it in the exclusive list. |
| 536 | texture->setFlag((GrTextureFlags) GrTexture::kReturnToCache_FlagBit); |
| 537 | // Give up the cache's ref to the texture |
| 538 | texture->unref(); |
| 539 | } |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 540 | } |
robertphillips@google.com | 50a035d | 2012-09-07 19:44:33 +0000 | [diff] [blame] | 541 | } |
| 542 | |
| 543 | void GrContext::purgeCache() { |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 544 | if (NULL != fTextureCache) { |
| 545 | fTextureCache->purgeAsNeeded(); |
| 546 | } |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 547 | } |
| 548 | |
commit-bot@chromium.org | cae27fe | 2013-07-10 10:14:35 +0000 | [diff] [blame] | 549 | bool GrContext::OverbudgetCB(void* data) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 550 | SkASSERT(NULL != data); |
commit-bot@chromium.org | cae27fe | 2013-07-10 10:14:35 +0000 | [diff] [blame] | 551 | |
| 552 | GrContext* context = reinterpret_cast<GrContext*>(data); |
| 553 | |
| 554 | // Flush the InOrderDrawBuffer to possibly free up some textures |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 555 | context->fFlushToReduceCacheSize = true; |
commit-bot@chromium.org | cae27fe | 2013-07-10 10:14:35 +0000 | [diff] [blame] | 556 | |
commit-bot@chromium.org | cae27fe | 2013-07-10 10:14:35 +0000 | [diff] [blame] | 557 | return true; |
| 558 | } |
| 559 | |
| 560 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 561 | GrTexture* GrContext::createUncachedTexture(const GrTextureDesc& descIn, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 562 | void* srcData, |
| 563 | size_t rowBytes) { |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 564 | GrTextureDesc descCopy = descIn; |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 565 | return fGpu->createTexture(descCopy, srcData, rowBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 566 | } |
| 567 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 568 | void GrContext::getTextureCacheLimits(int* maxTextures, |
| 569 | size_t* maxTextureBytes) const { |
| 570 | fTextureCache->getLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 571 | } |
| 572 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 573 | void GrContext::setTextureCacheLimits(int maxTextures, size_t maxTextureBytes) { |
| 574 | fTextureCache->setLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 575 | } |
| 576 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 577 | int GrContext::getMaxTextureSize() const { |
robertphillips@google.com | 44a91dc | 2013-07-25 15:32:06 +0000 | [diff] [blame] | 578 | return GrMin(fGpu->caps()->maxTextureSize(), fMaxTextureSizeOverride); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | int GrContext::getMaxRenderTargetSize() const { |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 582 | return fGpu->caps()->maxRenderTargetSize(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 583 | } |
| 584 | |
bsalomon@google.com | 8a70eef | 2013-03-19 13:58:55 +0000 | [diff] [blame] | 585 | int GrContext::getMaxSampleCount() const { |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 586 | return fGpu->caps()->maxSampleCount(); |
bsalomon@google.com | 8a70eef | 2013-03-19 13:58:55 +0000 | [diff] [blame] | 587 | } |
| 588 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 589 | /////////////////////////////////////////////////////////////////////////////// |
| 590 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 591 | GrTexture* GrContext::wrapBackendTexture(const GrBackendTextureDesc& desc) { |
| 592 | return fGpu->wrapBackendTexture(desc); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 593 | } |
| 594 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 595 | GrRenderTarget* GrContext::wrapBackendRenderTarget(const GrBackendRenderTargetDesc& desc) { |
| 596 | return fGpu->wrapBackendRenderTarget(desc); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 597 | } |
| 598 | |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 599 | /////////////////////////////////////////////////////////////////////////////// |
| 600 | |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 601 | bool GrContext::supportsIndex8PixelConfig(const GrTextureParams* params, |
bsalomon@google.com | 1f221a7 | 2011-08-23 20:54:07 +0000 | [diff] [blame] | 602 | int width, int height) const { |
bsalomon@google.com | c26d94f | 2013-03-25 18:19:00 +0000 | [diff] [blame] | 603 | const GrDrawTargetCaps* caps = fGpu->caps(); |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 604 | if (!caps->eightBitPaletteSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 605 | return false; |
| 606 | } |
| 607 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 608 | bool isPow2 = GrIsPow2(width) && GrIsPow2(height); |
| 609 | |
| 610 | if (!isPow2) { |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 611 | bool tiled = NULL != params && params->isTiled(); |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 612 | if (tiled && !caps->npotTextureTileSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 613 | return false; |
| 614 | } |
| 615 | } |
| 616 | return true; |
| 617 | } |
| 618 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 619 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 620 | //////////////////////////////////////////////////////////////////////////////// |
| 621 | |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 622 | void GrContext::clear(const SkIRect* rect, |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 623 | const GrColor color, |
robertphillips@google.com | 56ce48a | 2013-10-31 21:44:25 +0000 | [diff] [blame] | 624 | bool canIgnoreRect, |
robertphillips@google.com | c82a8b7 | 2012-06-21 20:15:48 +0000 | [diff] [blame] | 625 | GrRenderTarget* target) { |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 626 | AutoRestoreEffects are; |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 627 | AutoCheckFlush acf(this); |
skia.committer@gmail.com | 18bb41e | 2013-11-01 07:02:15 +0000 | [diff] [blame] | 628 | this->prepareToDraw(NULL, BUFFERED_DRAW, &are, &acf)->clear(rect, color, |
robertphillips@google.com | 56ce48a | 2013-10-31 21:44:25 +0000 | [diff] [blame] | 629 | canIgnoreRect, target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 630 | } |
| 631 | |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 632 | void GrContext::drawPaint(const GrPaint& origPaint) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 633 | // set rect to be big enough to fill the space, but not super-huge, so we |
| 634 | // don't overflow fixed-point implementations |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 635 | SkRect r; |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 636 | r.setLTRB(0, 0, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 637 | SkIntToScalar(getRenderTarget()->width()), |
| 638 | SkIntToScalar(getRenderTarget()->height())); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 639 | SkMatrix inverse; |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 640 | SkTCopyOnFirstWrite<GrPaint> paint(origPaint); |
robertphillips@google.com | fea85ac | 2012-07-11 18:53:23 +0000 | [diff] [blame] | 641 | AutoMatrix am; |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 642 | |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 643 | // We attempt to map r by the inverse matrix and draw that. mapRect will |
| 644 | // map the four corners and bound them with a new rect. This will not |
| 645 | // produce a correct result for some perspective matrices. |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 646 | if (!this->getMatrix().hasPerspective()) { |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 647 | if (!fViewMatrix.invert(&inverse)) { |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 648 | GrPrintf("Could not invert matrix\n"); |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 649 | return; |
| 650 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 651 | inverse.mapRect(&r); |
| 652 | } else { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 653 | if (!am.setIdentity(this, paint.writable())) { |
| 654 | GrPrintf("Could not invert matrix\n"); |
| 655 | return; |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 656 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 657 | } |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 658 | // by definition this fills the entire clip, no need for AA |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 659 | if (paint->isAntiAlias()) { |
| 660 | paint.writable()->setAntiAlias(false); |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 661 | } |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 662 | this->drawRect(*paint, r); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 663 | } |
| 664 | |
commit-bot@chromium.org | 03e3e89 | 2013-10-02 18:19:17 +0000 | [diff] [blame] | 665 | #ifdef SK_DEVELOPER |
| 666 | void GrContext::dumpFontCache() const { |
| 667 | fFontCache->dump(); |
| 668 | } |
| 669 | #endif |
| 670 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 671 | //////////////////////////////////////////////////////////////////////////////// |
| 672 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 673 | /* create a triangle strip that strokes the specified triangle. There are 8 |
| 674 | unique vertices, but we repreat the last 2 to close up. Alternatively we |
| 675 | could use an indices array, and then only send 8 verts, but not sure that |
| 676 | would be faster. |
| 677 | */ |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 678 | static void setStrokeRectStrip(GrPoint verts[10], SkRect rect, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 679 | SkScalar width) { |
| 680 | const SkScalar rad = SkScalarHalf(width); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 681 | rect.sort(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 682 | |
| 683 | verts[0].set(rect.fLeft + rad, rect.fTop + rad); |
| 684 | verts[1].set(rect.fLeft - rad, rect.fTop - rad); |
| 685 | verts[2].set(rect.fRight - rad, rect.fTop + rad); |
| 686 | verts[3].set(rect.fRight + rad, rect.fTop - rad); |
| 687 | verts[4].set(rect.fRight - rad, rect.fBottom - rad); |
| 688 | verts[5].set(rect.fRight + rad, rect.fBottom + rad); |
| 689 | verts[6].set(rect.fLeft + rad, rect.fBottom - rad); |
| 690 | verts[7].set(rect.fLeft - rad, rect.fBottom + rad); |
| 691 | verts[8] = verts[0]; |
| 692 | verts[9] = verts[1]; |
| 693 | } |
| 694 | |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 695 | static bool isIRect(const SkRect& r) { |
skia.committer@gmail.com | eafdf12 | 2013-05-15 07:01:09 +0000 | [diff] [blame] | 696 | return SkScalarIsInt(r.fLeft) && SkScalarIsInt(r.fTop) && |
| 697 | SkScalarIsInt(r.fRight) && SkScalarIsInt(r.fBottom); |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 698 | } |
| 699 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 700 | static bool apply_aa_to_rect(GrDrawTarget* target, |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 701 | const SkRect& rect, |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 702 | SkScalar strokeWidth, |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 703 | const SkMatrix& combinedMatrix, |
| 704 | SkRect* devBoundRect, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 705 | bool* useVertexCoverage) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 706 | // we use a simple coverage ramp to do aa on axis-aligned rects |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 707 | // we check if the rect will be axis-aligned, and the rect won't land on |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 708 | // integer coords. |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 709 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 710 | // we are keeping around the "tweak the alpha" trick because |
| 711 | // it is our only hope for the fixed-pipe implementation. |
| 712 | // In a shader implementation we can give a separate coverage input |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 713 | // TODO: remove this ugliness when we drop the fixed-pipe impl |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 714 | *useVertexCoverage = false; |
bsalomon@google.com | 2b44673 | 2013-02-12 16:47:41 +0000 | [diff] [blame] | 715 | if (!target->getDrawState().canTweakAlphaForCoverage()) { |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 716 | if (target->shouldDisableCoverageAAForBlend()) { |
commit-bot@chromium.org | 515dcd3 | 2013-08-28 14:17:03 +0000 | [diff] [blame] | 717 | #ifdef SK_DEBUG |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 718 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 719 | #endif |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 720 | return false; |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 721 | } else { |
| 722 | *useVertexCoverage = true; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 723 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 724 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 725 | const GrDrawState& drawState = target->getDrawState(); |
| 726 | if (drawState.getRenderTarget()->isMultisampled()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 727 | return false; |
| 728 | } |
| 729 | |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 730 | if (0 == strokeWidth && target->willUseHWAALines()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 731 | return false; |
| 732 | } |
| 733 | |
robertphillips@google.com | 4b140b5 | 2013-05-02 17:13:13 +0000 | [diff] [blame] | 734 | #if defined(SHADER_AA_FILL_RECT) || !defined(IGNORE_ROT_AA_RECT_OPT) |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 735 | if (strokeWidth >= 0) { |
| 736 | #endif |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 737 | if (!combinedMatrix.preservesAxisAlignment()) { |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 738 | return false; |
| 739 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 740 | |
robertphillips@google.com | 4b140b5 | 2013-05-02 17:13:13 +0000 | [diff] [blame] | 741 | #if defined(SHADER_AA_FILL_RECT) || !defined(IGNORE_ROT_AA_RECT_OPT) |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 742 | } else { |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 743 | if (!combinedMatrix.preservesRightAngles()) { |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 744 | return false; |
| 745 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 746 | } |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 747 | #endif |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 748 | |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 749 | combinedMatrix.mapRect(devBoundRect, rect); |
robertphillips@google.com | 28ac96e | 2013-05-13 13:38:35 +0000 | [diff] [blame] | 750 | |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 751 | if (strokeWidth < 0) { |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 752 | return !isIRect(*devBoundRect); |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 753 | } else { |
| 754 | return true; |
| 755 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 756 | } |
| 757 | |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 758 | static inline bool rect_contains_inclusive(const SkRect& rect, const SkPoint& point) { |
| 759 | return point.fX >= rect.fLeft && point.fX <= rect.fRight && |
| 760 | point.fY >= rect.fTop && point.fY <= rect.fBottom; |
| 761 | } |
| 762 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 763 | void GrContext::drawRect(const GrPaint& paint, |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 764 | const SkRect& rect, |
commit-bot@chromium.org | 6006d0f | 2013-11-06 10:08:21 +0000 | [diff] [blame] | 765 | const SkStrokeRec* stroke, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 766 | const SkMatrix* matrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 767 | SK_TRACE_EVENT0("GrContext::drawRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 768 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 769 | AutoRestoreEffects are; |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 770 | AutoCheckFlush acf(this); |
| 771 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are, &acf); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 772 | |
commit-bot@chromium.org | 6006d0f | 2013-11-06 10:08:21 +0000 | [diff] [blame] | 773 | SkScalar width = stroke == NULL ? -1 : stroke->getWidth(); |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 774 | SkMatrix combinedMatrix = target->drawState()->getViewMatrix(); |
| 775 | if (NULL != matrix) { |
| 776 | combinedMatrix.preConcat(*matrix); |
| 777 | } |
| 778 | |
| 779 | // Check if this is a full RT draw and can be replaced with a clear. We don't bother checking |
| 780 | // cases where the RT is fully inside a stroke. |
| 781 | if (width < 0) { |
| 782 | SkRect rtRect; |
| 783 | target->getDrawState().getRenderTarget()->getBoundsRect(&rtRect); |
| 784 | SkRect clipSpaceRTRect = rtRect; |
| 785 | bool checkClip = false; |
| 786 | if (NULL != this->getClip()) { |
| 787 | checkClip = true; |
| 788 | clipSpaceRTRect.offset(SkIntToScalar(this->getClip()->fOrigin.fX), |
| 789 | SkIntToScalar(this->getClip()->fOrigin.fY)); |
| 790 | } |
| 791 | // Does the clip contain the entire RT? |
| 792 | if (!checkClip || target->getClip()->fClipStack->quickContains(clipSpaceRTRect)) { |
| 793 | SkMatrix invM; |
| 794 | if (!combinedMatrix.invert(&invM)) { |
| 795 | return; |
| 796 | } |
| 797 | // Does the rect bound the RT? |
| 798 | SkPoint srcSpaceRTQuad[4]; |
| 799 | invM.mapRectToQuad(srcSpaceRTQuad, rtRect); |
| 800 | if (rect_contains_inclusive(rect, srcSpaceRTQuad[0]) && |
| 801 | rect_contains_inclusive(rect, srcSpaceRTQuad[1]) && |
| 802 | rect_contains_inclusive(rect, srcSpaceRTQuad[2]) && |
| 803 | rect_contains_inclusive(rect, srcSpaceRTQuad[3])) { |
| 804 | // Will it blend? |
| 805 | GrColor clearColor; |
| 806 | if (paint.isOpaqueAndConstantColor(&clearColor)) { |
robertphillips@google.com | 56ce48a | 2013-10-31 21:44:25 +0000 | [diff] [blame] | 807 | target->clear(NULL, clearColor, true); |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 808 | return; |
| 809 | } |
| 810 | } |
| 811 | } |
| 812 | } |
| 813 | |
| 814 | SkRect devBoundRect; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 815 | bool useVertexCoverage; |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 816 | bool needAA = paint.isAntiAlias() && |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 817 | !target->getDrawState().getRenderTarget()->isMultisampled(); |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 818 | bool doAA = needAA && apply_aa_to_rect(target, rect, width, combinedMatrix, &devBoundRect, |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 819 | &useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 820 | if (doAA) { |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 821 | GrDrawState::AutoViewMatrixRestore avmr; |
| 822 | if (!avmr.setIdentity(target->drawState())) { |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 823 | return; |
| 824 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 825 | if (width >= 0) { |
commit-bot@chromium.org | 6006d0f | 2013-11-06 10:08:21 +0000 | [diff] [blame] | 826 | fAARectRenderer->strokeAARect(this->getGpu(), target, rect, |
| 827 | combinedMatrix, devBoundRect, |
| 828 | stroke, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 829 | } else { |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 830 | // filled AA rect |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 831 | fAARectRenderer->fillAARect(this->getGpu(), target, |
commit-bot@chromium.org | 24ab3b0 | 2013-08-14 21:56:37 +0000 | [diff] [blame] | 832 | rect, combinedMatrix, devBoundRect, |
robertphillips@google.com | b19cb7f | 2013-05-02 15:37:20 +0000 | [diff] [blame] | 833 | useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 834 | } |
| 835 | return; |
| 836 | } |
| 837 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 838 | if (width >= 0) { |
| 839 | // TODO: consider making static vertex buffers for these cases. |
bsalomon@google.com | 6438695 | 2013-02-08 21:22:44 +0000 | [diff] [blame] | 840 | // Hairline could be done by just adding closing vertex to |
| 841 | // unitSquareVertexBuffer() |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 842 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 843 | static const int worstCaseVertCount = 10; |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 844 | target->drawState()->setDefaultVertexAttribs(); |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 845 | GrDrawTarget::AutoReleaseGeometry geo(target, worstCaseVertCount, 0); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 846 | |
| 847 | if (!geo.succeeded()) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 848 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 849 | return; |
| 850 | } |
| 851 | |
| 852 | GrPrimitiveType primType; |
| 853 | int vertCount; |
| 854 | GrPoint* vertex = geo.positions(); |
| 855 | |
| 856 | if (width > 0) { |
| 857 | vertCount = 10; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 858 | primType = kTriangleStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 859 | setStrokeRectStrip(vertex, rect, width); |
| 860 | } else { |
| 861 | // hairline |
| 862 | vertCount = 5; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 863 | primType = kLineStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 864 | vertex[0].set(rect.fLeft, rect.fTop); |
| 865 | vertex[1].set(rect.fRight, rect.fTop); |
| 866 | vertex[2].set(rect.fRight, rect.fBottom); |
| 867 | vertex[3].set(rect.fLeft, rect.fBottom); |
| 868 | vertex[4].set(rect.fLeft, rect.fTop); |
| 869 | } |
| 870 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 871 | GrDrawState::AutoViewMatrixRestore avmr; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 872 | if (NULL != matrix) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 873 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | 2fdcdeb | 2012-10-08 17:15:55 +0000 | [diff] [blame] | 874 | avmr.set(drawState, *matrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 875 | } |
| 876 | |
| 877 | target->drawNonIndexed(primType, 0, vertCount); |
| 878 | } else { |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 879 | // filled BW rect |
robertphillips@google.com | 235ef3d | 2013-04-20 12:10:26 +0000 | [diff] [blame] | 880 | target->drawSimpleRect(rect, matrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 881 | } |
| 882 | } |
| 883 | |
| 884 | void GrContext::drawRectToRect(const GrPaint& paint, |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 885 | const SkRect& dstRect, |
| 886 | const SkRect& localRect, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 887 | const SkMatrix* dstMatrix, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 888 | const SkMatrix* localMatrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 889 | SK_TRACE_EVENT0("GrContext::drawRectToRect"); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 890 | AutoRestoreEffects are; |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 891 | AutoCheckFlush acf(this); |
| 892 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are, &acf); |
bsalomon@google.com | 6438695 | 2013-02-08 21:22:44 +0000 | [diff] [blame] | 893 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 894 | target->drawRect(dstRect, dstMatrix, &localRect, localMatrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 895 | } |
| 896 | |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 897 | namespace { |
| 898 | |
| 899 | extern const GrVertexAttrib gPosUVColorAttribs[] = { |
| 900 | {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding }, |
| 901 | {kVec2f_GrVertexAttribType, sizeof(GrPoint), kLocalCoord_GrVertexAttribBinding }, |
rmistry@google.com | c9f3b38 | 2013-04-22 12:45:30 +0000 | [diff] [blame] | 902 | {kVec4ub_GrVertexAttribType, 2*sizeof(GrPoint), kColor_GrVertexAttribBinding} |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 903 | }; |
| 904 | |
| 905 | extern const GrVertexAttrib gPosColorAttribs[] = { |
| 906 | {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, |
| 907 | {kVec4ub_GrVertexAttribType, sizeof(GrPoint), kColor_GrVertexAttribBinding}, |
| 908 | }; |
| 909 | |
| 910 | static void set_vertex_attributes(GrDrawState* drawState, |
| 911 | const GrPoint* texCoords, |
| 912 | const GrColor* colors, |
| 913 | int* colorOffset, |
| 914 | int* texOffset) { |
| 915 | *texOffset = -1; |
| 916 | *colorOffset = -1; |
| 917 | |
| 918 | if (NULL != texCoords && NULL != colors) { |
| 919 | *texOffset = sizeof(GrPoint); |
| 920 | *colorOffset = 2*sizeof(GrPoint); |
| 921 | drawState->setVertexAttribs<gPosUVColorAttribs>(3); |
| 922 | } else if (NULL != texCoords) { |
| 923 | *texOffset = sizeof(GrPoint); |
| 924 | drawState->setVertexAttribs<gPosUVColorAttribs>(2); |
| 925 | } else if (NULL != colors) { |
| 926 | *colorOffset = sizeof(GrPoint); |
| 927 | drawState->setVertexAttribs<gPosColorAttribs>(2); |
| 928 | } else { |
| 929 | drawState->setVertexAttribs<gPosColorAttribs>(1); |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | }; |
| 934 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 935 | void GrContext::drawVertices(const GrPaint& paint, |
| 936 | GrPrimitiveType primitiveType, |
| 937 | int vertexCount, |
| 938 | const GrPoint positions[], |
| 939 | const GrPoint texCoords[], |
| 940 | const GrColor colors[], |
| 941 | const uint16_t indices[], |
| 942 | int indexCount) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 943 | SK_TRACE_EVENT0("GrContext::drawVertices"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 944 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 945 | AutoRestoreEffects are; |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 946 | AutoCheckFlush acf(this); |
commit-bot@chromium.org | 5a56793 | 2014-01-08 21:26:09 +0000 | [diff] [blame] | 947 | GrDrawTarget::AutoReleaseGeometry geo; // must be inside AutoCheckFlush scope |
| 948 | |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 949 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are, &acf); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 950 | |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 951 | GrDrawState* drawState = target->drawState(); |
jvanverth@google.com | b8b705b | 2013-02-28 16:28:34 +0000 | [diff] [blame] | 952 | |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 953 | int colorOffset = -1, texOffset = -1; |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 954 | set_vertex_attributes(drawState, texCoords, colors, &colorOffset, &texOffset); |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 955 | |
| 956 | size_t vertexSize = drawState->getVertexSize(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 957 | if (sizeof(GrPoint) != vertexSize) { |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 958 | if (!geo.set(target, vertexCount, 0)) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 959 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 960 | return; |
| 961 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 962 | void* curVertex = geo.vertices(); |
| 963 | |
| 964 | for (int i = 0; i < vertexCount; ++i) { |
| 965 | *((GrPoint*)curVertex) = positions[i]; |
| 966 | |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 967 | if (texOffset >= 0) { |
jvanverth@google.com | 3976825 | 2013-02-14 15:25:44 +0000 | [diff] [blame] | 968 | *(GrPoint*)((intptr_t)curVertex + texOffset) = texCoords[i]; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 969 | } |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 970 | if (colorOffset >= 0) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 971 | *(GrColor*)((intptr_t)curVertex + colorOffset) = colors[i]; |
| 972 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 973 | curVertex = (void*)((intptr_t)curVertex + vertexSize); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 974 | } |
| 975 | } else { |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 976 | target->setVertexSourceToArray(positions, vertexCount); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 977 | } |
| 978 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 979 | // we don't currently apply offscreen AA to this path. Need improved |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 980 | // management of GrDrawTarget's geometry to avoid copying points per-tile. |
bsalomon@google.com | a47a48d | 2011-04-26 20:22:11 +0000 | [diff] [blame] | 981 | |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 982 | if (NULL != indices) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 983 | target->setIndexSourceToArray(indices, indexCount); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 984 | target->drawIndexed(primitiveType, 0, 0, vertexCount, indexCount); |
bsalomon@google.com | 0406b9e | 2013-04-02 21:00:15 +0000 | [diff] [blame] | 985 | target->resetIndexSource(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 986 | } else { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 987 | target->drawNonIndexed(primitiveType, 0, vertexCount); |
| 988 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 989 | } |
| 990 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 991 | /////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 992 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 993 | void GrContext::drawRRect(const GrPaint& paint, |
| 994 | const SkRRect& rect, |
| 995 | const SkStrokeRec& stroke) { |
commit-bot@chromium.org | 19dd017 | 2013-08-05 13:28:55 +0000 | [diff] [blame] | 996 | if (rect.isEmpty()) { |
| 997 | return; |
| 998 | } |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 999 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1000 | AutoRestoreEffects are; |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 1001 | AutoCheckFlush acf(this); |
| 1002 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are, &acf); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1003 | |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1004 | if (!fOvalRenderer->drawSimpleRRect(target, this, paint.isAntiAlias(), rect, stroke)) { |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1005 | SkPath path; |
| 1006 | path.addRRect(rect); |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1007 | this->internalDrawPath(target, paint.isAntiAlias(), path, stroke); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1008 | } |
| 1009 | } |
| 1010 | |
| 1011 | /////////////////////////////////////////////////////////////////////////////// |
| 1012 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1013 | void GrContext::drawOval(const GrPaint& paint, |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 1014 | const SkRect& oval, |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1015 | const SkStrokeRec& stroke) { |
commit-bot@chromium.org | 19dd017 | 2013-08-05 13:28:55 +0000 | [diff] [blame] | 1016 | if (oval.isEmpty()) { |
| 1017 | return; |
| 1018 | } |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1019 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1020 | AutoRestoreEffects are; |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 1021 | AutoCheckFlush acf(this); |
| 1022 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are, &acf); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1023 | |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1024 | if (!fOvalRenderer->drawOval(target, this, paint.isAntiAlias(), oval, stroke)) { |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1025 | SkPath path; |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1026 | path.addOval(oval); |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1027 | this->internalDrawPath(target, paint.isAntiAlias(), path, stroke); |
skia.committer@gmail.com | 98ded84 | 2013-01-23 07:06:17 +0000 | [diff] [blame] | 1028 | } |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1029 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1030 | |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1031 | // Can 'path' be drawn as a pair of filled nested rectangles? |
| 1032 | static bool is_nested_rects(GrDrawTarget* target, |
| 1033 | const SkPath& path, |
| 1034 | const SkStrokeRec& stroke, |
| 1035 | SkRect rects[2], |
| 1036 | bool* useVertexCoverage) { |
| 1037 | SkASSERT(stroke.isFillStyle()); |
| 1038 | |
| 1039 | if (path.isInverseFillType()) { |
| 1040 | return false; |
| 1041 | } |
| 1042 | |
| 1043 | const GrDrawState& drawState = target->getDrawState(); |
| 1044 | |
| 1045 | // TODO: this restriction could be lifted if we were willing to apply |
| 1046 | // the matrix to all the points individually rather than just to the rect |
| 1047 | if (!drawState.getViewMatrix().preservesAxisAlignment()) { |
| 1048 | return false; |
| 1049 | } |
| 1050 | |
| 1051 | *useVertexCoverage = false; |
| 1052 | if (!target->getDrawState().canTweakAlphaForCoverage()) { |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1053 | if (target->shouldDisableCoverageAAForBlend()) { |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1054 | return false; |
| 1055 | } else { |
| 1056 | *useVertexCoverage = true; |
| 1057 | } |
| 1058 | } |
| 1059 | |
| 1060 | SkPath::Direction dirs[2]; |
| 1061 | if (!path.isNestedRects(rects, dirs)) { |
| 1062 | return false; |
| 1063 | } |
| 1064 | |
robertphillips@google.com | 8d3c640 | 2013-08-20 12:11:31 +0000 | [diff] [blame] | 1065 | if (SkPath::kWinding_FillType == path.getFillType() && dirs[0] == dirs[1]) { |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1066 | // The two rects need to be wound opposite to each other |
robertphillips@google.com | 8d3c640 | 2013-08-20 12:11:31 +0000 | [diff] [blame] | 1067 | return false; |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1068 | } |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1069 | |
robertphillips@google.com | 8d3c640 | 2013-08-20 12:11:31 +0000 | [diff] [blame] | 1070 | // Right now, nested rects where the margin is not the same width |
| 1071 | // all around do not render correctly |
| 1072 | const SkScalar* outer = rects[0].asScalars(); |
| 1073 | const SkScalar* inner = rects[1].asScalars(); |
| 1074 | |
| 1075 | SkScalar margin = SkScalarAbs(outer[0] - inner[0]); |
| 1076 | for (int i = 1; i < 4; ++i) { |
| 1077 | SkScalar temp = SkScalarAbs(outer[i] - inner[i]); |
| 1078 | if (!SkScalarNearlyEqual(margin, temp)) { |
| 1079 | return false; |
| 1080 | } |
| 1081 | } |
| 1082 | |
| 1083 | return true; |
| 1084 | } |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1085 | |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 1086 | void GrContext::drawPath(const GrPaint& paint, const SkPath& path, const SkStrokeRec& stroke) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1087 | |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1088 | if (path.isEmpty()) { |
sugoi@google.com | 12b4e27 | 2012-12-06 20:13:11 +0000 | [diff] [blame] | 1089 | if (path.isInverseFillType()) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1090 | this->drawPaint(paint); |
| 1091 | } |
| 1092 | return; |
| 1093 | } |
| 1094 | |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1095 | // Note that internalDrawPath may sw-rasterize the path into a scratch texture. |
bsalomon@google.com | fb4ce6f | 2012-03-14 13:27:54 +0000 | [diff] [blame] | 1096 | // Scratch textures can be recycled after they are returned to the texture |
| 1097 | // cache. This presents a potential hazard for buffered drawing. However, |
| 1098 | // the writePixels that uploads to the scratch will perform a flush so we're |
| 1099 | // OK. |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1100 | AutoRestoreEffects are; |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 1101 | AutoCheckFlush acf(this); |
| 1102 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are, &acf); |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1103 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1104 | |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1105 | bool useCoverageAA = paint.isAntiAlias() && !drawState->getRenderTarget()->isMultisampled(); |
| 1106 | |
| 1107 | if (useCoverageAA && stroke.getWidth() < 0 && !path.isConvex()) { |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1108 | // Concave AA paths are expensive - try to avoid them for special cases |
| 1109 | bool useVertexCoverage; |
| 1110 | SkRect rects[2]; |
| 1111 | |
| 1112 | if (is_nested_rects(target, path, stroke, rects, &useVertexCoverage)) { |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1113 | SkMatrix origViewMatrix = drawState->getViewMatrix(); |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 1114 | GrDrawState::AutoViewMatrixRestore avmr; |
| 1115 | if (!avmr.setIdentity(target->drawState())) { |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1116 | return; |
| 1117 | } |
| 1118 | |
| 1119 | fAARectRenderer->fillAANestedRects(this->getGpu(), target, |
| 1120 | rects, |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 1121 | origViewMatrix, |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1122 | useVertexCoverage); |
| 1123 | return; |
| 1124 | } |
| 1125 | } |
| 1126 | |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1127 | SkRect ovalRect; |
| 1128 | bool isOval = path.isOval(&ovalRect); |
| 1129 | |
skia.committer@gmail.com | 7e32851 | 2013-03-23 07:01:28 +0000 | [diff] [blame] | 1130 | if (!isOval || path.isInverseFillType() |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1131 | || !fOvalRenderer->drawOval(target, this, paint.isAntiAlias(), ovalRect, stroke)) { |
| 1132 | this->internalDrawPath(target, paint.isAntiAlias(), path, stroke); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1133 | } |
| 1134 | } |
| 1135 | |
bsalomon@google.com | 1b20a10 | 2013-11-08 14:42:56 +0000 | [diff] [blame] | 1136 | void GrContext::internalDrawPath(GrDrawTarget* target, bool useAA, const SkPath& path, |
commit-bot@chromium.org | f0c41e2 | 2014-01-14 18:42:34 +0000 | [diff] [blame] | 1137 | const SkStrokeRec& origStroke) { |
commit-bot@chromium.org | 19dd017 | 2013-08-05 13:28:55 +0000 | [diff] [blame] | 1138 | SkASSERT(!path.isEmpty()); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1139 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1140 | // An Assumption here is that path renderer would use some form of tweaking |
| 1141 | // the src color (either the input alpha or in the frag shader) to implement |
| 1142 | // aa. If we have some future driver-mojo path AA that can do the right |
| 1143 | // thing WRT to the blend then we'll need some query on the PR. |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1144 | bool useCoverageAA = useAA && |
| 1145 | !target->getDrawState().getRenderTarget()->isMultisampled() && |
| 1146 | !target->shouldDisableCoverageAAForBlend(); |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1147 | |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1148 | |
| 1149 | GrPathRendererChain::DrawType type = |
| 1150 | useCoverageAA ? GrPathRendererChain::kColorAntiAlias_DrawType : |
robertphillips@google.com | e79f320 | 2014-02-11 16:30:21 +0000 | [diff] [blame] | 1151 | GrPathRendererChain::kColor_DrawType; |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1152 | |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1153 | const SkPath* pathPtr = &path; |
commit-bot@chromium.org | f0c41e2 | 2014-01-14 18:42:34 +0000 | [diff] [blame] | 1154 | SkTLazy<SkPath> tmpPath; |
| 1155 | SkTCopyOnFirstWrite<SkStrokeRec> stroke(origStroke); |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1156 | |
| 1157 | // Try a 1st time without stroking the path and without allowing the SW renderer |
robertphillips@google.com | e79f320 | 2014-02-11 16:30:21 +0000 | [diff] [blame] | 1158 | GrPathRenderer* pr = this->getPathRenderer(*pathPtr, *stroke, target, false, type); |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1159 | |
robertphillips@google.com | e79f320 | 2014-02-11 16:30:21 +0000 | [diff] [blame] | 1160 | if (NULL == pr) { |
commit-bot@chromium.org | f0c41e2 | 2014-01-14 18:42:34 +0000 | [diff] [blame] | 1161 | if (!GrPathRenderer::IsStrokeHairlineOrEquivalent(*stroke, this->getMatrix(), NULL)) { |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1162 | // It didn't work the 1st time, so try again with the stroked path |
commit-bot@chromium.org | f0c41e2 | 2014-01-14 18:42:34 +0000 | [diff] [blame] | 1163 | if (stroke->applyToPath(tmpPath.init(), *pathPtr)) { |
| 1164 | pathPtr = tmpPath.get(); |
| 1165 | stroke.writable()->setFillStyle(); |
commit-bot@chromium.org | e0a868c | 2013-11-22 07:02:11 +0000 | [diff] [blame] | 1166 | if (pathPtr->isEmpty()) { |
| 1167 | return; |
| 1168 | } |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1169 | } |
| 1170 | } |
commit-bot@chromium.org | 19dd017 | 2013-08-05 13:28:55 +0000 | [diff] [blame] | 1171 | |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1172 | // This time, allow SW renderer |
robertphillips@google.com | e79f320 | 2014-02-11 16:30:21 +0000 | [diff] [blame] | 1173 | pr = this->getPathRenderer(*pathPtr, *stroke, target, true, type); |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1174 | } |
| 1175 | |
robertphillips@google.com | e79f320 | 2014-02-11 16:30:21 +0000 | [diff] [blame] | 1176 | if (NULL == pr) { |
commit-bot@chromium.org | 515dcd3 | 2013-08-28 14:17:03 +0000 | [diff] [blame] | 1177 | #ifdef SK_DEBUG |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1178 | GrPrintf("Unable to find path renderer compatible with path.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1179 | #endif |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1180 | return; |
| 1181 | } |
| 1182 | |
robertphillips@google.com | e79f320 | 2014-02-11 16:30:21 +0000 | [diff] [blame] | 1183 | pr->drawPath(*pathPtr, *stroke, target, useCoverageAA); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1184 | } |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1185 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1186 | //////////////////////////////////////////////////////////////////////////////// |
| 1187 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1188 | void GrContext::flush(int flagsBitfield) { |
robertphillips@google.com | e7db8d6 | 2013-07-04 11:48:52 +0000 | [diff] [blame] | 1189 | if (NULL == fDrawBuffer) { |
| 1190 | return; |
| 1191 | } |
| 1192 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1193 | if (kDiscard_FlushBit & flagsBitfield) { |
| 1194 | fDrawBuffer->reset(); |
| 1195 | } else { |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 1196 | fDrawBuffer->flush(); |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 1197 | } |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 1198 | fFlushToReduceCacheSize = false; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1199 | } |
| 1200 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1201 | bool GrContext::writeTexturePixels(GrTexture* texture, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1202 | int left, int top, int width, int height, |
| 1203 | GrPixelConfig config, const void* buffer, size_t rowBytes, |
| 1204 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1205 | SK_TRACE_EVENT0("GrContext::writeTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1206 | ASSERT_OWNED_RESOURCE(texture); |
| 1207 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1208 | if ((kUnpremul_PixelOpsFlag & flags) || !fGpu->canWriteTexturePixels(texture, config)) { |
| 1209 | if (NULL != texture->asRenderTarget()) { |
| 1210 | return this->writeRenderTargetPixels(texture->asRenderTarget(), |
| 1211 | left, top, width, height, |
| 1212 | config, buffer, rowBytes, flags); |
| 1213 | } else { |
| 1214 | return false; |
| 1215 | } |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1216 | } |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1217 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1218 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1219 | this->flush(); |
| 1220 | } |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1221 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1222 | return fGpu->writeTexturePixels(texture, left, top, width, height, |
| 1223 | config, buffer, rowBytes); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1224 | } |
| 1225 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1226 | bool GrContext::readTexturePixels(GrTexture* texture, |
| 1227 | int left, int top, int width, int height, |
| 1228 | GrPixelConfig config, void* buffer, size_t rowBytes, |
| 1229 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1230 | SK_TRACE_EVENT0("GrContext::readTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1231 | ASSERT_OWNED_RESOURCE(texture); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1232 | |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1233 | GrRenderTarget* target = texture->asRenderTarget(); |
| 1234 | if (NULL != target) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1235 | return this->readRenderTargetPixels(target, |
| 1236 | left, top, width, height, |
| 1237 | config, buffer, rowBytes, |
| 1238 | flags); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1239 | } else { |
commit-bot@chromium.org | 3f80dd5 | 2013-10-23 15:32:39 +0000 | [diff] [blame] | 1240 | // TODO: make this more efficient for cases where we're reading the entire |
| 1241 | // texture, i.e., use GetTexImage() instead |
| 1242 | |
| 1243 | // create scratch rendertarget and read from that |
| 1244 | GrAutoScratchTexture ast; |
| 1245 | GrTextureDesc desc; |
| 1246 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 1247 | desc.fWidth = width; |
| 1248 | desc.fHeight = height; |
| 1249 | desc.fConfig = config; |
| 1250 | desc.fOrigin = kTopLeft_GrSurfaceOrigin; |
| 1251 | ast.set(this, desc, kExact_ScratchTexMatch); |
| 1252 | GrTexture* dst = ast.texture(); |
| 1253 | if (NULL != dst && NULL != (target = dst->asRenderTarget())) { |
| 1254 | this->copyTexture(texture, target, NULL); |
| 1255 | return this->readRenderTargetPixels(target, |
| 1256 | left, top, width, height, |
| 1257 | config, buffer, rowBytes, |
| 1258 | flags); |
| 1259 | } |
skia.committer@gmail.com | 583b18a | 2013-10-24 07:01:59 +0000 | [diff] [blame] | 1260 | |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1261 | return false; |
| 1262 | } |
| 1263 | } |
| 1264 | |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1265 | #include "SkConfig8888.h" |
| 1266 | |
| 1267 | namespace { |
| 1268 | /** |
| 1269 | * Converts a GrPixelConfig to a SkCanvas::Config8888. Only byte-per-channel |
| 1270 | * formats are representable as Config8888 and so the function returns false |
| 1271 | * if the GrPixelConfig has no equivalent Config8888. |
| 1272 | */ |
| 1273 | bool grconfig_to_config8888(GrPixelConfig config, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1274 | bool unpremul, |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1275 | SkCanvas::Config8888* config8888) { |
| 1276 | switch (config) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1277 | case kRGBA_8888_GrPixelConfig: |
| 1278 | if (unpremul) { |
| 1279 | *config8888 = SkCanvas::kRGBA_Unpremul_Config8888; |
| 1280 | } else { |
| 1281 | *config8888 = SkCanvas::kRGBA_Premul_Config8888; |
| 1282 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1283 | return true; |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1284 | case kBGRA_8888_GrPixelConfig: |
| 1285 | if (unpremul) { |
| 1286 | *config8888 = SkCanvas::kBGRA_Unpremul_Config8888; |
| 1287 | } else { |
| 1288 | *config8888 = SkCanvas::kBGRA_Premul_Config8888; |
| 1289 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1290 | return true; |
| 1291 | default: |
| 1292 | return false; |
| 1293 | } |
| 1294 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1295 | |
| 1296 | // It returns a configuration with where the byte position of the R & B components are swapped in |
| 1297 | // relation to the input config. This should only be called with the result of |
| 1298 | // grconfig_to_config8888 as it will fail for other configs. |
| 1299 | SkCanvas::Config8888 swap_config8888_red_and_blue(SkCanvas::Config8888 config8888) { |
| 1300 | switch (config8888) { |
| 1301 | case SkCanvas::kBGRA_Premul_Config8888: |
| 1302 | return SkCanvas::kRGBA_Premul_Config8888; |
| 1303 | case SkCanvas::kBGRA_Unpremul_Config8888: |
| 1304 | return SkCanvas::kRGBA_Unpremul_Config8888; |
| 1305 | case SkCanvas::kRGBA_Premul_Config8888: |
| 1306 | return SkCanvas::kBGRA_Premul_Config8888; |
| 1307 | case SkCanvas::kRGBA_Unpremul_Config8888: |
| 1308 | return SkCanvas::kBGRA_Unpremul_Config8888; |
| 1309 | default: |
| 1310 | GrCrash("Unexpected input"); |
| 1311 | return SkCanvas::kBGRA_Unpremul_Config8888;; |
| 1312 | } |
| 1313 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1314 | } |
| 1315 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1316 | bool GrContext::readRenderTargetPixels(GrRenderTarget* target, |
| 1317 | int left, int top, int width, int height, |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1318 | GrPixelConfig dstConfig, void* buffer, size_t rowBytes, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1319 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1320 | SK_TRACE_EVENT0("GrContext::readRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1321 | ASSERT_OWNED_RESOURCE(target); |
| 1322 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1323 | if (NULL == target) { |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1324 | target = fRenderTarget.get(); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1325 | if (NULL == target) { |
| 1326 | return false; |
| 1327 | } |
| 1328 | } |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1329 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1330 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1331 | this->flush(); |
| 1332 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1333 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1334 | // Determine which conversions have to be applied: flipY, swapRAnd, and/or unpremul. |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1335 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1336 | // If fGpu->readPixels would incur a y-flip cost then we will read the pixels upside down. We'll |
| 1337 | // either do the flipY by drawing into a scratch with a matrix or on the cpu after the read. |
| 1338 | bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top, |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1339 | width, height, dstConfig, |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1340 | rowBytes); |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1341 | // We ignore the preferred config if it is different than our config unless it is an R/B swap. |
| 1342 | // In that case we'll perform an R and B swap while drawing to a scratch texture of the swapped |
| 1343 | // config. Then we will call readPixels on the scratch with the swapped config. The swaps during |
| 1344 | // the draw cancels out the fact that we call readPixels with a config that is R/B swapped from |
| 1345 | // dstConfig. |
| 1346 | GrPixelConfig readConfig = dstConfig; |
| 1347 | bool swapRAndB = false; |
commit-bot@chromium.org | 5d1d79a | 2013-05-24 18:52:52 +0000 | [diff] [blame] | 1348 | if (GrPixelConfigSwapRAndB(dstConfig) == |
| 1349 | fGpu->preferredReadPixelsConfig(dstConfig, target->config())) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1350 | readConfig = GrPixelConfigSwapRAndB(readConfig); |
| 1351 | swapRAndB = true; |
| 1352 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1353 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1354 | bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1355 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1356 | if (unpremul && !GrPixelConfigIs8888(dstConfig)) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1357 | // The unpremul flag is only allowed for these two configs. |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1358 | return false; |
| 1359 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1360 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1361 | // If the src is a texture and we would have to do conversions after read pixels, we instead |
| 1362 | // do the conversions by drawing the src to a scratch texture. If we handle any of the |
| 1363 | // conversions in the draw we set the corresponding bool to false so that we don't reapply it |
| 1364 | // on the read back pixels. |
| 1365 | GrTexture* src = target->asTexture(); |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1366 | GrAutoScratchTexture ast; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1367 | if (NULL != src && (swapRAndB || unpremul || flipY)) { |
| 1368 | // Make the scratch a render target because we don't have a robust readTexturePixels as of |
| 1369 | // yet. It calls this function. |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1370 | GrTextureDesc desc; |
| 1371 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 1372 | desc.fWidth = width; |
| 1373 | desc.fHeight = height; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1374 | desc.fConfig = readConfig; |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1375 | desc.fOrigin = kTopLeft_GrSurfaceOrigin; |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1376 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1377 | // When a full read back is faster than a partial we could always make the scratch exactly |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1378 | // match the passed rect. However, if we see many different size rectangles we will trash |
| 1379 | // our texture cache and pay the cost of creating and destroying many textures. So, we only |
| 1380 | // request an exact match when the caller is reading an entire RT. |
bsalomon@google.com | 56d11e0 | 2011-11-30 19:59:08 +0000 | [diff] [blame] | 1381 | ScratchTexMatch match = kApprox_ScratchTexMatch; |
| 1382 | if (0 == left && |
| 1383 | 0 == top && |
| 1384 | target->width() == width && |
| 1385 | target->height() == height && |
| 1386 | fGpu->fullReadPixelsIsFasterThanPartial()) { |
| 1387 | match = kExact_ScratchTexMatch; |
| 1388 | } |
| 1389 | ast.set(this, desc, match); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1390 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1391 | if (texture) { |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1392 | // compute a matrix to perform the draw |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1393 | SkMatrix textureMatrix; |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1394 | textureMatrix.setTranslate(SK_Scalar1 *left, SK_Scalar1 *top); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1395 | textureMatrix.postIDiv(src->width(), src->height()); |
| 1396 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1397 | SkAutoTUnref<const GrEffectRef> effect; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1398 | if (unpremul) { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1399 | effect.reset(this->createPMToUPMEffect(src, swapRAndB, textureMatrix)); |
| 1400 | if (NULL != effect) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1401 | unpremul = false; // we no longer need to do this on CPU after the read back. |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1402 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1403 | } |
| 1404 | // If we failed to create a PM->UPM effect and have no other conversions to perform then |
| 1405 | // there is no longer any point to using the scratch. |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1406 | if (NULL != effect || flipY || swapRAndB) { |
| 1407 | if (!effect) { |
| 1408 | effect.reset(GrConfigConversionEffect::Create( |
| 1409 | src, |
| 1410 | swapRAndB, |
| 1411 | GrConfigConversionEffect::kNone_PMConversion, |
| 1412 | textureMatrix)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1413 | } |
| 1414 | swapRAndB = false; // we will handle the swap in the draw. |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1415 | |
robertphillips@google.com | 13f181f | 2013-03-02 12:02:08 +0000 | [diff] [blame] | 1416 | // We protect the existing geometry here since it may not be |
| 1417 | // clear to the caller that a draw operation (i.e., drawSimpleRect) |
| 1418 | // can be invoked in this method |
| 1419 | GrDrawTarget::AutoGeometryAndStatePush agasp(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1420 | GrDrawState* drawState = fGpu->drawState(); |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1421 | SkASSERT(effect); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1422 | drawState->addColorEffect(effect); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1423 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1424 | drawState->setRenderTarget(texture->asRenderTarget()); |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 1425 | SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1426 | fGpu->drawSimpleRect(rect, NULL); |
| 1427 | // we want to read back from the scratch's origin |
| 1428 | left = 0; |
| 1429 | top = 0; |
| 1430 | target = texture->asRenderTarget(); |
| 1431 | } |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1432 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1433 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1434 | if (!fGpu->readPixels(target, |
| 1435 | left, top, width, height, |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1436 | readConfig, buffer, rowBytes)) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1437 | return false; |
| 1438 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1439 | // Perform any conversions we weren't able to perform using a scratch texture. |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1440 | if (unpremul || swapRAndB) { |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1441 | // These are initialized to suppress a warning |
| 1442 | SkCanvas::Config8888 srcC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1443 | SkCanvas::Config8888 dstC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1444 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1445 | SkDEBUGCODE(bool c8888IsValid =) grconfig_to_config8888(dstConfig, false, &srcC8888); |
| 1446 | grconfig_to_config8888(dstConfig, unpremul, &dstC8888); |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1447 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1448 | if (swapRAndB) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1449 | SkASSERT(c8888IsValid); // we should only do r/b swap on 8888 configs |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1450 | srcC8888 = swap_config8888_red_and_blue(srcC8888); |
| 1451 | } |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1452 | SkASSERT(c8888IsValid); |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1453 | uint32_t* b32 = reinterpret_cast<uint32_t*>(buffer); |
| 1454 | SkConvertConfig8888Pixels(b32, rowBytes, dstC8888, |
| 1455 | b32, rowBytes, srcC8888, |
| 1456 | width, height); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1457 | } |
| 1458 | return true; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1459 | } |
| 1460 | |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 1461 | void GrContext::resolveRenderTarget(GrRenderTarget* target) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1462 | SkASSERT(target); |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 1463 | ASSERT_OWNED_RESOURCE(target); |
| 1464 | // In the future we may track whether there are any pending draws to this |
| 1465 | // target. We don't today so we always perform a flush. We don't promise |
| 1466 | // this to our clients, though. |
| 1467 | this->flush(); |
| 1468 | fGpu->resolveRenderTarget(target); |
| 1469 | } |
| 1470 | |
scroggo@google.com | a2a3192 | 2012-12-07 19:14:45 +0000 | [diff] [blame] | 1471 | void GrContext::copyTexture(GrTexture* src, GrRenderTarget* dst, const SkIPoint* topLeft) { |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1472 | if (NULL == src || NULL == dst) { |
| 1473 | return; |
| 1474 | } |
| 1475 | ASSERT_OWNED_RESOURCE(src); |
| 1476 | |
twiz@google.com | 1ac87ff | 2012-04-27 19:39:33 +0000 | [diff] [blame] | 1477 | // Writes pending to the source texture are not tracked, so a flush |
| 1478 | // is required to ensure that the copy captures the most recent contents |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1479 | // of the source texture. See similar behavior in |
twiz@google.com | 1ac87ff | 2012-04-27 19:39:33 +0000 | [diff] [blame] | 1480 | // GrContext::resolveRenderTarget. |
| 1481 | this->flush(); |
| 1482 | |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1483 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1484 | GrDrawState* drawState = fGpu->drawState(); |
| 1485 | drawState->setRenderTarget(dst); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1486 | SkMatrix sampleM; |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1487 | sampleM.setIDiv(src->width(), src->height()); |
scroggo@google.com | a2a3192 | 2012-12-07 19:14:45 +0000 | [diff] [blame] | 1488 | SkIRect srcRect = SkIRect::MakeWH(dst->width(), dst->height()); |
| 1489 | if (NULL != topLeft) { |
| 1490 | srcRect.offset(*topLeft); |
| 1491 | } |
| 1492 | SkIRect srcBounds = SkIRect::MakeWH(src->width(), src->height()); |
| 1493 | if (!srcRect.intersect(srcBounds)) { |
| 1494 | return; |
| 1495 | } |
| 1496 | sampleM.preTranslate(SkIntToScalar(srcRect.fLeft), SkIntToScalar(srcRect.fTop)); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1497 | drawState->addColorTextureEffect(src, sampleM); |
scroggo@google.com | a2a3192 | 2012-12-07 19:14:45 +0000 | [diff] [blame] | 1498 | SkRect dstR = SkRect::MakeWH(SkIntToScalar(srcRect.width()), SkIntToScalar(srcRect.height())); |
| 1499 | fGpu->drawSimpleRect(dstR, NULL); |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1500 | } |
| 1501 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1502 | bool GrContext::writeRenderTargetPixels(GrRenderTarget* target, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1503 | int left, int top, int width, int height, |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1504 | GrPixelConfig srcConfig, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1505 | const void* buffer, |
| 1506 | size_t rowBytes, |
| 1507 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1508 | SK_TRACE_EVENT0("GrContext::writeRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1509 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1510 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1511 | if (NULL == target) { |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1512 | target = fRenderTarget.get(); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1513 | if (NULL == target) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1514 | return false; |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1515 | } |
| 1516 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1517 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1518 | // TODO: when underlying api has a direct way to do this we should use it (e.g. glDrawPixels on |
| 1519 | // desktop GL). |
| 1520 | |
| 1521 | // We will always call some form of writeTexturePixels and we will pass our flags on to it. |
| 1522 | // Thus, we don't perform a flush here since that call will do it (if the kNoFlush flag isn't |
| 1523 | // set.) |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1524 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1525 | // If the RT is also a texture and we don't have to premultiply then take the texture path. |
| 1526 | // We expect to be at least as fast or faster since it doesn't use an intermediate texture as |
| 1527 | // we do below. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1528 | |
commit-bot@chromium.org | 4382330 | 2013-09-25 20:57:51 +0000 | [diff] [blame] | 1529 | #if !defined(SK_BUILD_FOR_MAC) |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1530 | // At least some drivers on the Mac get confused when glTexImage2D is called on a texture |
| 1531 | // attached to an FBO. The FBO still sees the old image. TODO: determine what OS versions and/or |
| 1532 | // HW is affected. |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1533 | if (NULL != target->asTexture() && !(kUnpremul_PixelOpsFlag & flags) && |
| 1534 | fGpu->canWriteTexturePixels(target->asTexture(), srcConfig)) { |
| 1535 | return this->writeTexturePixels(target->asTexture(), |
| 1536 | left, top, width, height, |
| 1537 | srcConfig, buffer, rowBytes, flags); |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1538 | } |
| 1539 | #endif |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1540 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1541 | // We ignore the preferred config unless it is a R/B swap of the src config. In that case |
| 1542 | // we will upload the original src data to a scratch texture but we will spoof it as the swapped |
| 1543 | // config. This scratch will then have R and B swapped. We correct for this by swapping again |
| 1544 | // when drawing the scratch to the dst using a conversion effect. |
| 1545 | bool swapRAndB = false; |
| 1546 | GrPixelConfig writeConfig = srcConfig; |
commit-bot@chromium.org | 5d1d79a | 2013-05-24 18:52:52 +0000 | [diff] [blame] | 1547 | if (GrPixelConfigSwapRAndB(srcConfig) == |
| 1548 | fGpu->preferredWritePixelsConfig(srcConfig, target->config())) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1549 | writeConfig = GrPixelConfigSwapRAndB(srcConfig); |
| 1550 | swapRAndB = true; |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1551 | } |
| 1552 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1553 | GrTextureDesc desc; |
| 1554 | desc.fWidth = width; |
| 1555 | desc.fHeight = height; |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1556 | desc.fConfig = writeConfig; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 1557 | GrAutoScratchTexture ast(this, desc); |
| 1558 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1559 | if (NULL == texture) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1560 | return false; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1561 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1562 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1563 | SkAutoTUnref<const GrEffectRef> effect; |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1564 | SkMatrix textureMatrix; |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1565 | textureMatrix.setIDiv(texture->width(), texture->height()); |
| 1566 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1567 | // allocate a tmp buffer and sw convert the pixels to premul |
| 1568 | SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0); |
| 1569 | |
| 1570 | if (kUnpremul_PixelOpsFlag & flags) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1571 | if (!GrPixelConfigIs8888(srcConfig)) { |
| 1572 | return false; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1573 | } |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1574 | effect.reset(this->createUPMToPMEffect(texture, swapRAndB, textureMatrix)); |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1575 | // handle the unpremul step on the CPU if we couldn't create an effect to do it. |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1576 | if (NULL == effect) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1577 | SkCanvas::Config8888 srcConfig8888, dstConfig8888; |
commit-bot@chromium.org | 1acc3d7 | 2013-09-06 23:13:05 +0000 | [diff] [blame] | 1578 | SkDEBUGCODE(bool success = ) |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1579 | grconfig_to_config8888(srcConfig, true, &srcConfig8888); |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1580 | SkASSERT(success); |
commit-bot@chromium.org | 1acc3d7 | 2013-09-06 23:13:05 +0000 | [diff] [blame] | 1581 | SkDEBUGCODE(success = ) |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1582 | grconfig_to_config8888(srcConfig, false, &dstConfig8888); |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1583 | SkASSERT(success); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1584 | const uint32_t* src = reinterpret_cast<const uint32_t*>(buffer); |
| 1585 | tmpPixels.reset(width * height); |
| 1586 | SkConvertConfig8888Pixels(tmpPixels.get(), 4 * width, dstConfig8888, |
| 1587 | src, rowBytes, srcConfig8888, |
| 1588 | width, height); |
| 1589 | buffer = tmpPixels.get(); |
| 1590 | rowBytes = 4 * width; |
| 1591 | } |
| 1592 | } |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1593 | if (NULL == effect) { |
| 1594 | effect.reset(GrConfigConversionEffect::Create(texture, |
| 1595 | swapRAndB, |
| 1596 | GrConfigConversionEffect::kNone_PMConversion, |
| 1597 | textureMatrix)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1598 | } |
| 1599 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1600 | if (!this->writeTexturePixels(texture, |
| 1601 | 0, 0, width, height, |
| 1602 | writeConfig, buffer, rowBytes, |
| 1603 | flags & ~kUnpremul_PixelOpsFlag)) { |
| 1604 | return false; |
| 1605 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1606 | |
robertphillips@google.com | 13f181f | 2013-03-02 12:02:08 +0000 | [diff] [blame] | 1607 | // writeRenderTargetPixels can be called in the midst of drawing another |
skia.committer@gmail.com | 0c23faf | 2013-03-03 07:16:29 +0000 | [diff] [blame] | 1608 | // object (e.g., when uploading a SW path rendering to the gpu while |
robertphillips@google.com | 13f181f | 2013-03-02 12:02:08 +0000 | [diff] [blame] | 1609 | // drawing a rect) so preserve the current geometry. |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 1610 | SkMatrix matrix; |
| 1611 | matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
| 1612 | GrDrawTarget::AutoGeometryAndStatePush agasp(fGpu, GrDrawTarget::kReset_ASRInit, &matrix); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1613 | GrDrawState* drawState = fGpu->drawState(); |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1614 | SkASSERT(effect); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1615 | drawState->addColorEffect(effect); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1616 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1617 | drawState->setRenderTarget(target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1618 | |
commit-bot@chromium.org | fd03d4a | 2013-07-17 21:39:42 +0000 | [diff] [blame] | 1619 | fGpu->drawSimpleRect(SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)), NULL); |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1620 | return true; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1621 | } |
| 1622 | //////////////////////////////////////////////////////////////////////////////// |
| 1623 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1624 | GrDrawTarget* GrContext::prepareToDraw(const GrPaint* paint, |
| 1625 | BufferedDraw buffered, |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 1626 | AutoRestoreEffects* are, |
| 1627 | AutoCheckFlush* acf) { |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1628 | // All users of this draw state should be freeing up all effects when they're done. |
| 1629 | // Otherwise effects that own resources may keep those resources alive indefinitely. |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1630 | SkASSERT(0 == fDrawState->numColorStages() && 0 == fDrawState->numCoverageStages()); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1631 | |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1632 | if (kNo_BufferedDraw == buffered && kYes_BufferedDraw == fLastDrawWasBuffered) { |
robertphillips@google.com | 1267fbd | 2013-07-03 18:37:27 +0000 | [diff] [blame] | 1633 | fDrawBuffer->flush(); |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1634 | fLastDrawWasBuffered = kNo_BufferedDraw; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1635 | } |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1636 | ASSERT_OWNED_RESOURCE(fRenderTarget.get()); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1637 | if (NULL != paint) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1638 | SkASSERT(NULL != are); |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 1639 | SkASSERT(NULL != acf); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1640 | are->set(fDrawState); |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1641 | fDrawState->setFromPaint(*paint, fViewMatrix, fRenderTarget.get()); |
bsalomon@google.com | af84e74 | 2012-10-05 13:23:24 +0000 | [diff] [blame] | 1642 | #if GR_DEBUG_PARTIAL_COVERAGE_CHECK |
| 1643 | if ((paint->hasMask() || 0xff != paint->fCoverage) && |
| 1644 | !fGpu->canApplyCoverage()) { |
| 1645 | GrPrintf("Partial pixel coverage will be incorrectly blended.\n"); |
| 1646 | } |
| 1647 | #endif |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1648 | } else { |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 1649 | fDrawState->reset(fViewMatrix); |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1650 | fDrawState->setRenderTarget(fRenderTarget.get()); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1651 | } |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1652 | GrDrawTarget* target; |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1653 | if (kYes_BufferedDraw == buffered) { |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1654 | fLastDrawWasBuffered = kYes_BufferedDraw; |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1655 | target = fDrawBuffer; |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1656 | } else { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1657 | SkASSERT(kNo_BufferedDraw == buffered); |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1658 | fLastDrawWasBuffered = kNo_BufferedDraw; |
| 1659 | target = fGpu; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1660 | } |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1661 | fDrawState->setState(GrDrawState::kClip_StateBit, NULL != fClip && |
| 1662 | !fClip->fClipStack->isWideOpen()); |
| 1663 | target->setClip(fClip); |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1664 | SkASSERT(fDrawState == target->drawState()); |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1665 | return target; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1666 | } |
| 1667 | |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1668 | /* |
| 1669 | * This method finds a path renderer that can draw the specified path on |
| 1670 | * the provided target. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1671 | * Due to its expense, the software path renderer has split out so it can |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1672 | * can be individually allowed/disallowed via the "allowSW" boolean. |
| 1673 | */ |
bsalomon@google.com | 8d033a1 | 2012-04-27 15:52:53 +0000 | [diff] [blame] | 1674 | GrPathRenderer* GrContext::getPathRenderer(const SkPath& path, |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 1675 | const SkStrokeRec& stroke, |
bsalomon@google.com | c2099d2 | 2012-03-02 21:26:50 +0000 | [diff] [blame] | 1676 | const GrDrawTarget* target, |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1677 | bool allowSW, |
| 1678 | GrPathRendererChain::DrawType drawType, |
| 1679 | GrPathRendererChain::StencilSupport* stencilSupport) { |
| 1680 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1681 | if (NULL == fPathRendererChain) { |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1682 | fPathRendererChain = SkNEW_ARGS(GrPathRendererChain, (this)); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1683 | } |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1684 | |
sugoi@google.com | 12b4e27 | 2012-12-06 20:13:11 +0000 | [diff] [blame] | 1685 | GrPathRenderer* pr = fPathRendererChain->getPathRenderer(path, |
| 1686 | stroke, |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1687 | target, |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1688 | drawType, |
| 1689 | stencilSupport); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1690 | |
| 1691 | if (NULL == pr && allowSW) { |
| 1692 | if (NULL == fSoftwarePathRenderer) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1693 | fSoftwarePathRenderer = SkNEW_ARGS(GrSoftwarePathRenderer, (this)); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1694 | } |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1695 | pr = fSoftwarePathRenderer; |
| 1696 | } |
| 1697 | |
| 1698 | return pr; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1699 | } |
| 1700 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1701 | //////////////////////////////////////////////////////////////////////////////// |
commit-bot@chromium.org | 6b7938f | 2013-10-15 14:18:16 +0000 | [diff] [blame] | 1702 | bool GrContext::isConfigRenderable(GrPixelConfig config, bool withMSAA) const { |
| 1703 | return fGpu->caps()->isConfigRenderable(config, withMSAA); |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 1704 | } |
| 1705 | |
commit-bot@chromium.org | b471a32 | 2014-03-10 07:40:03 +0000 | [diff] [blame^] | 1706 | int GrContext::getRecommendedSampleCount(GrPixelConfig config, |
| 1707 | SkScalar dpi) const { |
| 1708 | if (!this->isConfigRenderable(config, true)) { |
| 1709 | return 0; |
| 1710 | } |
| 1711 | int chosenSampleCount = 0; |
| 1712 | if (fGpu->caps()->pathRenderingSupport()) { |
| 1713 | if (dpi >= 250.0f) { |
| 1714 | chosenSampleCount = 4; |
| 1715 | } else { |
| 1716 | chosenSampleCount = 16; |
| 1717 | } |
| 1718 | } |
| 1719 | return chosenSampleCount <= fGpu->caps()->maxSampleCount() ? |
| 1720 | chosenSampleCount : 0; |
| 1721 | } |
| 1722 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1723 | void GrContext::setupDrawBuffer() { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 1724 | SkASSERT(NULL == fDrawBuffer); |
| 1725 | SkASSERT(NULL == fDrawBufferVBAllocPool); |
| 1726 | SkASSERT(NULL == fDrawBufferIBAllocPool); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1727 | |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1728 | fDrawBufferVBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1729 | SkNEW_ARGS(GrVertexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1730 | DRAW_BUFFER_VBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1731 | DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1732 | fDrawBufferIBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1733 | SkNEW_ARGS(GrIndexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1734 | DRAW_BUFFER_IBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1735 | DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1736 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1737 | fDrawBuffer = SkNEW_ARGS(GrInOrderDrawBuffer, (fGpu, |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 1738 | fDrawBufferVBAllocPool, |
| 1739 | fDrawBufferIBAllocPool)); |
bsalomon@google.com | 3c4d032 | 2012-04-03 18:04:51 +0000 | [diff] [blame] | 1740 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 1741 | fDrawBuffer->setDrawState(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1742 | } |
| 1743 | |
bsalomon@google.com | 21c10c5 | 2013-06-13 17:44:07 +0000 | [diff] [blame] | 1744 | GrDrawTarget* GrContext::getTextTarget() { |
commit-bot@chromium.org | 5dbb149 | 2013-10-04 16:23:58 +0000 | [diff] [blame] | 1745 | return this->prepareToDraw(NULL, BUFFERED_DRAW, NULL, NULL); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1746 | } |
| 1747 | |
| 1748 | const GrIndexBuffer* GrContext::getQuadIndexBuffer() const { |
| 1749 | return fGpu->getQuadIndexBuffer(); |
| 1750 | } |
bsalomon@google.com | dfe75bc | 2011-03-25 12:31:16 +0000 | [diff] [blame] | 1751 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1752 | namespace { |
| 1753 | void test_pm_conversions(GrContext* ctx, int* pmToUPMValue, int* upmToPMValue) { |
| 1754 | GrConfigConversionEffect::PMConversion pmToUPM; |
| 1755 | GrConfigConversionEffect::PMConversion upmToPM; |
| 1756 | GrConfigConversionEffect::TestForPreservingPMConversions(ctx, &pmToUPM, &upmToPM); |
| 1757 | *pmToUPMValue = pmToUPM; |
| 1758 | *upmToPMValue = upmToPM; |
| 1759 | } |
| 1760 | } |
| 1761 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1762 | const GrEffectRef* GrContext::createPMToUPMEffect(GrTexture* texture, |
| 1763 | bool swapRAndB, |
| 1764 | const SkMatrix& matrix) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1765 | if (!fDidTestPMConversions) { |
| 1766 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1767 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1768 | } |
| 1769 | GrConfigConversionEffect::PMConversion pmToUPM = |
| 1770 | static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion); |
| 1771 | if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1772 | return GrConfigConversionEffect::Create(texture, swapRAndB, pmToUPM, matrix); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1773 | } else { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1774 | return NULL; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1775 | } |
| 1776 | } |
| 1777 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1778 | const GrEffectRef* GrContext::createUPMToPMEffect(GrTexture* texture, |
| 1779 | bool swapRAndB, |
| 1780 | const SkMatrix& matrix) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1781 | if (!fDidTestPMConversions) { |
| 1782 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1783 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1784 | } |
| 1785 | GrConfigConversionEffect::PMConversion upmToPM = |
| 1786 | static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion); |
| 1787 | if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1788 | return GrConfigConversionEffect::Create(texture, swapRAndB, upmToPM, matrix); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1789 | } else { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1790 | return NULL; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1791 | } |
| 1792 | } |
| 1793 | |
commit-bot@chromium.org | 5c8ee25 | 2013-11-01 15:23:44 +0000 | [diff] [blame] | 1794 | GrPath* GrContext::createPath(const SkPath& inPath, const SkStrokeRec& stroke) { |
| 1795 | SkASSERT(fGpu->caps()->pathRenderingSupport()); |
| 1796 | |
| 1797 | // TODO: now we add to fTextureCache. This should change to fResourceCache. |
| 1798 | GrResourceKey resourceKey = GrPath::ComputeKey(inPath, stroke); |
| 1799 | GrPath* path = static_cast<GrPath*>(fTextureCache->find(resourceKey)); |
| 1800 | if (NULL != path && path->isEqualTo(inPath, stroke)) { |
| 1801 | path->ref(); |
| 1802 | } else { |
| 1803 | path = fGpu->createPath(inPath, stroke); |
| 1804 | fTextureCache->purgeAsNeeded(1, path->sizeInBytes()); |
| 1805 | fTextureCache->addResource(resourceKey, path); |
| 1806 | } |
| 1807 | return path; |
| 1808 | } |
| 1809 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1810 | /////////////////////////////////////////////////////////////////////////////// |
robertphillips@google.com | 5955202 | 2012-08-31 13:07:37 +0000 | [diff] [blame] | 1811 | #if GR_CACHE_STATS |
robertphillips@google.com | 5f9f2f5 | 2012-08-22 10:57:05 +0000 | [diff] [blame] | 1812 | void GrContext::printCacheStats() const { |
| 1813 | fTextureCache->printStats(); |
| 1814 | } |
| 1815 | #endif |