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 | |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 12 | #include "effects/GrConvolutionEffect.h" |
tomhudson@google.com | aa72eab | 2012-07-19 18:01:07 +0000 | [diff] [blame] | 13 | #include "effects/GrSingleTextureEffect.h" |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 14 | #include "effects/GrConfigConversionEffect.h" |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 15 | |
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" |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 29 | #include "SkStrokeRec.h" |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 30 | #include "SkTLazy.h" |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 31 | #include "SkTLS.h" |
tomhudson@google.com | 0c8d93a | 2011-07-01 17:08:26 +0000 | [diff] [blame] | 32 | #include "SkTrace.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 33 | |
reed@google.com | fa35e3d | 2012-06-26 20:16:17 +0000 | [diff] [blame] | 34 | SK_DEFINE_INST_COUNT(GrContext) |
| 35 | SK_DEFINE_INST_COUNT(GrDrawState) |
| 36 | |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 37 | // 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] | 38 | // 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] | 39 | // debugging simpler. |
jvanverth@google.com | 65eb4d5 | 2013-03-19 18:51:02 +0000 | [diff] [blame] | 40 | SK_CONF_DECLARE(bool, c_Defer, "gpu.deferContext", true, |
| 41 | "Defers rendering in GrContext via GrInOrderDrawBuffer."); |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 42 | |
| 43 | #define BUFFERED_DRAW (c_Defer ? kYes_BufferedDraw : kNo_BufferedDraw) |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 44 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 45 | #define MAX_BLUR_SIGMA 4.0f |
| 46 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 47 | // When we're using coverage AA but the blend is incompatible (given gpu |
| 48 | // limitations) should we disable AA or draw wrong? |
bsalomon@google.com | 950d7a8 | 2011-09-28 15:05:33 +0000 | [diff] [blame] | 49 | #define DISABLE_COVERAGE_AA_FOR_BLEND 1 |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 50 | |
reed@google.com | 4b2d3f3 | 2012-05-15 18:05:50 +0000 | [diff] [blame] | 51 | #if GR_DEBUG |
| 52 | // change this to a 1 to see notifications when partial coverage fails |
| 53 | #define GR_DEBUG_PARTIAL_COVERAGE_CHECK 0 |
| 54 | #else |
| 55 | #define GR_DEBUG_PARTIAL_COVERAGE_CHECK 0 |
| 56 | #endif |
| 57 | |
robertphillips@google.com | 1947ba6 | 2012-10-17 13:35:24 +0000 | [diff] [blame] | 58 | static const size_t MAX_TEXTURE_CACHE_COUNT = 2048; |
djsollen@google.com | 42041e6 | 2012-10-29 19:24:45 +0000 | [diff] [blame] | 59 | static const size_t MAX_TEXTURE_CACHE_BYTES = GR_DEFAULT_TEXTURE_CACHE_MB_LIMIT * 1024 * 1024; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 60 | |
bsalomon@google.com | 6036149 | 2012-03-15 17:47:06 +0000 | [diff] [blame] | 61 | static const size_t DRAW_BUFFER_VBPOOL_BUFFER_SIZE = 1 << 15; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 62 | static const int DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS = 4; |
| 63 | |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 64 | static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = 1 << 11; |
| 65 | static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = 4; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 66 | |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 67 | #define ASSERT_OWNED_RESOURCE(R) GrAssert(!(R) || (R)->getContext() == this) |
| 68 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 69 | // Glorified typedef to avoid including GrDrawState.h in GrContext.h |
| 70 | class GrContext::AutoRestoreEffects : public GrDrawState::AutoRestoreEffects {}; |
| 71 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 72 | GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext) { |
| 73 | GrContext* context = SkNEW(GrContext); |
| 74 | if (context->init(backend, backendContext)) { |
| 75 | return context; |
| 76 | } else { |
| 77 | context->unref(); |
| 78 | return NULL; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 79 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 80 | } |
| 81 | |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 82 | namespace { |
| 83 | void* CreateThreadInstanceCount() { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 84 | return SkNEW_ARGS(int, (0)); |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 85 | } |
| 86 | void DeleteThreadInstanceCount(void* v) { |
| 87 | delete reinterpret_cast<int*>(v); |
| 88 | } |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 89 | #define THREAD_INSTANCE_COUNT \ |
| 90 | (*reinterpret_cast<int*>(SkTLS::Get(CreateThreadInstanceCount, DeleteThreadInstanceCount))) |
| 91 | } |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 92 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 93 | GrContext::GrContext() { |
| 94 | ++THREAD_INSTANCE_COUNT; |
| 95 | fDrawState = NULL; |
| 96 | fGpu = NULL; |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 97 | fClip = NULL; |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 98 | fPathRendererChain = NULL; |
| 99 | fSoftwarePathRenderer = NULL; |
| 100 | fTextureCache = NULL; |
| 101 | fFontCache = NULL; |
| 102 | fDrawBuffer = NULL; |
| 103 | fDrawBufferVBAllocPool = NULL; |
| 104 | fDrawBufferIBAllocPool = NULL; |
| 105 | fAARectRenderer = NULL; |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 106 | fOvalRenderer = NULL; |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 107 | fViewMatrix.reset(); |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | bool GrContext::init(GrBackend backend, GrBackendContext backendContext) { |
| 111 | GrAssert(NULL == fGpu); |
| 112 | |
| 113 | fGpu = GrGpu::Create(backend, backendContext, this); |
| 114 | if (NULL == fGpu) { |
| 115 | return false; |
| 116 | } |
| 117 | |
| 118 | fDrawState = SkNEW(GrDrawState); |
| 119 | fGpu->setDrawState(fDrawState); |
| 120 | |
| 121 | |
| 122 | fTextureCache = SkNEW_ARGS(GrResourceCache, |
| 123 | (MAX_TEXTURE_CACHE_COUNT, |
| 124 | MAX_TEXTURE_CACHE_BYTES)); |
| 125 | fFontCache = SkNEW_ARGS(GrFontCache, (fGpu)); |
| 126 | |
| 127 | fLastDrawWasBuffered = kNo_BufferedDraw; |
| 128 | |
| 129 | fAARectRenderer = SkNEW(GrAARectRenderer); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 130 | fOvalRenderer = SkNEW(GrOvalRenderer); |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 131 | |
| 132 | fDidTestPMConversions = false; |
| 133 | |
| 134 | this->setupDrawBuffer(); |
| 135 | |
| 136 | return true; |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | int GrContext::GetThreadInstanceCount() { |
| 140 | return THREAD_INSTANCE_COUNT; |
| 141 | } |
| 142 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 143 | GrContext::~GrContext() { |
robertphillips@google.com | cdb426d | 2012-09-24 19:33:59 +0000 | [diff] [blame] | 144 | for (int i = 0; i < fCleanUpData.count(); ++i) { |
| 145 | (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo); |
| 146 | } |
| 147 | |
bsalomon@google.com | 733c062 | 2013-04-24 17:59:32 +0000 | [diff] [blame] | 148 | if (NULL == fGpu) { |
| 149 | return; |
| 150 | } |
| 151 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 152 | this->flush(); |
robertphillips@google.com | 5acc0e3 | 2012-05-17 12:01:02 +0000 | [diff] [blame] | 153 | |
| 154 | // Since the gpu can hold scratch textures, give it a chance to let go |
| 155 | // of them before freeing the texture cache |
| 156 | fGpu->purgeResources(); |
| 157 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 158 | delete fTextureCache; |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 159 | fTextureCache = NULL; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 160 | delete fFontCache; |
| 161 | delete fDrawBuffer; |
| 162 | delete fDrawBufferVBAllocPool; |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 163 | delete fDrawBufferIBAllocPool; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 164 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 165 | fAARectRenderer->unref(); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 166 | fOvalRenderer->unref(); |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 167 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 168 | fGpu->unref(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 169 | GrSafeUnref(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 170 | GrSafeUnref(fSoftwarePathRenderer); |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 171 | fDrawState->unref(); |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 172 | |
| 173 | --THREAD_INSTANCE_COUNT; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 174 | } |
| 175 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 176 | void GrContext::contextLost() { |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 177 | this->contextDestroyed(); |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 178 | this->setupDrawBuffer(); |
| 179 | } |
| 180 | |
| 181 | void GrContext::contextDestroyed() { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 182 | // abandon first to so destructors |
| 183 | // don't try to free the resources in the API. |
| 184 | fGpu->abandonResources(); |
| 185 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 186 | // a path renderer may be holding onto resources that |
| 187 | // are now unusable |
| 188 | GrSafeSetNull(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 189 | GrSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 190 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 191 | delete fDrawBuffer; |
| 192 | fDrawBuffer = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 193 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 194 | delete fDrawBufferVBAllocPool; |
| 195 | fDrawBufferVBAllocPool = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 196 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 197 | delete fDrawBufferIBAllocPool; |
| 198 | fDrawBufferIBAllocPool = NULL; |
| 199 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 200 | fAARectRenderer->reset(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 201 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 202 | fTextureCache->purgeAllUnlocked(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 203 | fFontCache->freeAll(); |
| 204 | fGpu->markContextDirty(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 205 | } |
| 206 | |
bsalomon@google.com | 0a208a1 | 2013-06-28 18:57:35 +0000 | [diff] [blame] | 207 | void GrContext::resetContext(uint32_t state) { |
| 208 | fGpu->markContextDirty(state); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | void GrContext::freeGpuResources() { |
| 212 | this->flush(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 213 | |
robertphillips@google.com | ff17584 | 2012-05-14 19:31:39 +0000 | [diff] [blame] | 214 | fGpu->purgeResources(); |
| 215 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 216 | fAARectRenderer->reset(); |
| 217 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 218 | fTextureCache->purgeAllUnlocked(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 219 | fFontCache->freeAll(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 220 | // a path renderer may be holding onto resources |
| 221 | GrSafeSetNull(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 222 | GrSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 223 | } |
| 224 | |
twiz@google.com | 05e7024 | 2012-01-27 19:12:00 +0000 | [diff] [blame] | 225 | size_t GrContext::getGpuTextureCacheBytes() const { |
| 226 | return fTextureCache->getCachedResourceBytes(); |
| 227 | } |
| 228 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 229 | //////////////////////////////////////////////////////////////////////////////// |
| 230 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 231 | namespace { |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 232 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 233 | void scale_rect(SkRect* rect, float xScale, float yScale) { |
robertphillips@google.com | 5af5606 | 2012-04-27 15:39:52 +0000 | [diff] [blame] | 234 | rect->fLeft = SkScalarMul(rect->fLeft, SkFloatToScalar(xScale)); |
| 235 | rect->fTop = SkScalarMul(rect->fTop, SkFloatToScalar(yScale)); |
| 236 | rect->fRight = SkScalarMul(rect->fRight, SkFloatToScalar(xScale)); |
| 237 | rect->fBottom = SkScalarMul(rect->fBottom, SkFloatToScalar(yScale)); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 238 | } |
| 239 | |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 240 | float adjust_sigma(float sigma, int *scaleFactor, int *radius) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 241 | *scaleFactor = 1; |
| 242 | while (sigma > MAX_BLUR_SIGMA) { |
| 243 | *scaleFactor *= 2; |
| 244 | sigma *= 0.5f; |
| 245 | } |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 246 | *radius = static_cast<int>(ceilf(sigma * 3.0f)); |
| 247 | GrAssert(*radius <= GrConvolutionEffect::kMaxKernelRadius); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 248 | return sigma; |
| 249 | } |
| 250 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 251 | void convolve_gaussian(GrDrawTarget* target, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 252 | GrTexture* texture, |
| 253 | const SkRect& rect, |
| 254 | float sigma, |
| 255 | int radius, |
| 256 | Gr1DKernelEffect::Direction direction) { |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 257 | GrRenderTarget* rt = target->drawState()->getRenderTarget(); |
| 258 | GrDrawTarget::AutoStateRestore asr(target, GrDrawTarget::kReset_ASRInit); |
| 259 | GrDrawState* drawState = target->drawState(); |
| 260 | drawState->setRenderTarget(rt); |
bsalomon@google.com | c5fae9e | 2013-01-24 19:00:02 +0000 | [diff] [blame] | 261 | SkAutoTUnref<GrEffectRef> conv(GrConvolutionEffect::CreateGaussian(texture, |
bsalomon@google.com | 6340a41 | 2013-01-22 19:55:59 +0000 | [diff] [blame] | 262 | direction, |
| 263 | radius, |
| 264 | sigma)); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 265 | drawState->addColorEffect(conv); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 266 | target->drawSimpleRect(rect, NULL); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 267 | } |
| 268 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 269 | } |
| 270 | |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 271 | //////////////////////////////////////////////////////////////////////////////// |
| 272 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 273 | GrTexture* GrContext::findAndRefTexture(const GrTextureDesc& desc, |
| 274 | const GrCacheID& cacheID, |
| 275 | const GrTextureParams* params) { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 276 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 277 | GrResource* resource = fTextureCache->find(resourceKey); |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 278 | SkSafeRef(resource); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 279 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 280 | } |
| 281 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 282 | bool GrContext::isTextureInCache(const GrTextureDesc& desc, |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 283 | const GrCacheID& cacheID, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 284 | const GrTextureParams* params) const { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 285 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 286 | return fTextureCache->hasKey(resourceKey); |
| 287 | } |
| 288 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 289 | void GrContext::addStencilBuffer(GrStencilBuffer* sb) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 290 | ASSERT_OWNED_RESOURCE(sb); |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 291 | |
| 292 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(sb->width(), |
| 293 | sb->height(), |
| 294 | sb->numSamples()); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 295 | fTextureCache->addResource(resourceKey, sb); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 296 | } |
| 297 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 298 | GrStencilBuffer* GrContext::findStencilBuffer(int width, int height, |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 299 | int sampleCnt) { |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 300 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(width, |
| 301 | height, |
| 302 | sampleCnt); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 303 | GrResource* resource = fTextureCache->find(resourceKey); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 304 | return static_cast<GrStencilBuffer*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 305 | } |
| 306 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 307 | static void stretchImage(void* dst, |
| 308 | int dstW, |
| 309 | int dstH, |
| 310 | void* src, |
| 311 | int srcW, |
| 312 | int srcH, |
| 313 | int bpp) { |
| 314 | GrFixed dx = (srcW << 16) / dstW; |
| 315 | GrFixed dy = (srcH << 16) / dstH; |
| 316 | |
| 317 | GrFixed y = dy >> 1; |
| 318 | |
| 319 | int dstXLimit = dstW*bpp; |
| 320 | for (int j = 0; j < dstH; ++j) { |
| 321 | GrFixed x = dx >> 1; |
| 322 | void* srcRow = (uint8_t*)src + (y>>16)*srcW*bpp; |
| 323 | void* dstRow = (uint8_t*)dst + j*dstW*bpp; |
| 324 | for (int i = 0; i < dstXLimit; i += bpp) { |
| 325 | memcpy((uint8_t*) dstRow + i, |
| 326 | (uint8_t*) srcRow + (x>>16)*bpp, |
| 327 | bpp); |
| 328 | x += dx; |
| 329 | } |
| 330 | y += dy; |
| 331 | } |
| 332 | } |
| 333 | |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 334 | namespace { |
| 335 | |
| 336 | // position + local coordinate |
| 337 | extern const GrVertexAttrib gVertexAttribs[] = { |
| 338 | {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, |
| 339 | {kVec2f_GrVertexAttribType, sizeof(GrPoint), kLocalCoord_GrVertexAttribBinding} |
| 340 | }; |
| 341 | |
| 342 | }; |
| 343 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 344 | // 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] | 345 | // the current hardware. Resize the texture to be a POT |
| 346 | GrTexture* GrContext::createResizedTexture(const GrTextureDesc& desc, |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 347 | const GrCacheID& cacheID, |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 348 | void* srcData, |
| 349 | size_t rowBytes, |
| 350 | bool needsFiltering) { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 351 | SkAutoTUnref<GrTexture> clampedTexture(this->findAndRefTexture(desc, cacheID, NULL)); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 352 | if (NULL == clampedTexture) { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 353 | clampedTexture.reset(this->createTexture(NULL, desc, cacheID, srcData, rowBytes)); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 354 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 355 | if (NULL == clampedTexture) { |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 356 | return NULL; |
| 357 | } |
| 358 | } |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 359 | |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 360 | GrTextureDesc rtDesc = desc; |
| 361 | rtDesc.fFlags = rtDesc.fFlags | |
| 362 | kRenderTarget_GrTextureFlagBit | |
| 363 | kNoStencil_GrTextureFlagBit; |
| 364 | rtDesc.fWidth = GrNextPow2(GrMax(desc.fWidth, 64)); |
| 365 | rtDesc.fHeight = GrNextPow2(GrMax(desc.fHeight, 64)); |
| 366 | |
| 367 | GrTexture* texture = fGpu->createTexture(rtDesc, NULL, 0); |
| 368 | |
| 369 | if (NULL != texture) { |
| 370 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
| 371 | GrDrawState* drawState = fGpu->drawState(); |
| 372 | drawState->setRenderTarget(texture->asRenderTarget()); |
| 373 | |
| 374 | // if filtering is not desired then we want to ensure all |
| 375 | // texels in the resampled image are copies of texels from |
| 376 | // the original. |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 377 | GrTextureParams params(SkShader::kClamp_TileMode, needsFiltering); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 378 | drawState->addColorTextureEffect(clampedTexture, SkMatrix::I(), params); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 379 | |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 380 | drawState->setVertexAttribs<gVertexAttribs>(SK_ARRAY_COUNT(gVertexAttribs)); |
jvanverth@google.com | 054ae99 | 2013-04-01 20:06:51 +0000 | [diff] [blame] | 381 | |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 382 | GrDrawTarget::AutoReleaseGeometry arg(fGpu, 4, 0); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 383 | |
| 384 | if (arg.succeeded()) { |
| 385 | GrPoint* verts = (GrPoint*) arg.vertices(); |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 386 | verts[0].setIRectFan(0, 0, texture->width(), texture->height(), 2 * sizeof(GrPoint)); |
| 387 | verts[1].setIRectFan(0, 0, 1, 1, 2 * sizeof(GrPoint)); |
| 388 | fGpu->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 389 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 390 | } else { |
| 391 | // TODO: Our CPU stretch doesn't filter. But we create separate |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 392 | // stretched textures when the texture params is either filtered or |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 393 | // not. Either implement filtered stretch blit on CPU or just create |
| 394 | // one when FBO case fails. |
| 395 | |
| 396 | rtDesc.fFlags = kNone_GrTextureFlags; |
| 397 | // no longer need to clamp at min RT size. |
| 398 | rtDesc.fWidth = GrNextPow2(desc.fWidth); |
| 399 | rtDesc.fHeight = GrNextPow2(desc.fHeight); |
| 400 | int bpp = GrBytesPerPixel(desc.fConfig); |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 401 | SkAutoSMalloc<128*128*4> stretchedPixels(bpp * rtDesc.fWidth * rtDesc.fHeight); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 402 | stretchImage(stretchedPixels.get(), rtDesc.fWidth, rtDesc.fHeight, |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 403 | srcData, desc.fWidth, desc.fHeight, bpp); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 404 | |
| 405 | size_t stretchedRowBytes = rtDesc.fWidth * bpp; |
| 406 | |
jvanverth@google.com | 65eb4d5 | 2013-03-19 18:51:02 +0000 | [diff] [blame] | 407 | SkDEBUGCODE(GrTexture* texture = )fGpu->createTexture(rtDesc, stretchedPixels.get(), |
| 408 | stretchedRowBytes); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 409 | GrAssert(NULL != texture); |
| 410 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 411 | |
| 412 | return texture; |
| 413 | } |
| 414 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 415 | GrTexture* GrContext::createTexture(const GrTextureParams* params, |
| 416 | const GrTextureDesc& desc, |
| 417 | const GrCacheID& cacheID, |
| 418 | void* srcData, |
| 419 | size_t rowBytes) { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 420 | SK_TRACE_EVENT0("GrContext::createTexture"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 421 | |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 422 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID); |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 423 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 424 | GrTexture* texture; |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 425 | if (GrTexture::NeedsResizing(resourceKey)) { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 426 | texture = this->createResizedTexture(desc, cacheID, |
| 427 | srcData, rowBytes, |
| 428 | GrTexture::NeedsFiltering(resourceKey)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 429 | } else { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 430 | texture= fGpu->createTexture(desc, srcData, rowBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 431 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 432 | |
| 433 | if (NULL != texture) { |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 434 | fTextureCache->addResource(resourceKey, texture); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 435 | } |
| 436 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 437 | return texture; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 438 | } |
| 439 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 440 | GrTexture* GrContext::lockAndRefScratchTexture(const GrTextureDesc& inDesc, ScratchTexMatch match) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 441 | GrTextureDesc desc = inDesc; |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 442 | |
rileya@google.com | 2afb8ec | 2012-08-23 14:08:57 +0000 | [diff] [blame] | 443 | GrAssert((desc.fFlags & kRenderTarget_GrTextureFlagBit) || |
| 444 | !(desc.fFlags & kNoStencil_GrTextureFlagBit)); |
| 445 | |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 446 | if (kApprox_ScratchTexMatch == match) { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 447 | // bin by pow2 with a reasonable min |
bsalomon@google.com | 40db6dc | 2013-03-06 16:35:49 +0000 | [diff] [blame] | 448 | static const int MIN_SIZE = 16; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 449 | desc.fWidth = GrMax(MIN_SIZE, GrNextPow2(desc.fWidth)); |
| 450 | desc.fHeight = GrMax(MIN_SIZE, GrNextPow2(desc.fHeight)); |
| 451 | } |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 452 | |
robertphillips@google.com | 13f181f | 2013-03-02 12:02:08 +0000 | [diff] [blame] | 453 | // Renderable A8 targets are not universally supported (e.g., not on ANGLE) |
| 454 | GrAssert(this->isConfigRenderable(kAlpha_8_GrPixelConfig) || |
| 455 | !(desc.fFlags & kRenderTarget_GrTextureFlagBit) || |
| 456 | (desc.fConfig != kAlpha_8_GrPixelConfig)); |
| 457 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 458 | GrResource* resource = NULL; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 459 | int origWidth = desc.fWidth; |
| 460 | int origHeight = desc.fHeight; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 461 | |
| 462 | do { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 463 | GrResourceKey key = GrTexture::ComputeScratchKey(desc); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 464 | // Ensure we have exclusive access to the texture so future 'find' calls don't return it |
| 465 | resource = fTextureCache->find(key, GrResourceCache::kHide_OwnershipFlag); |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 466 | if (NULL != resource) { |
| 467 | resource->ref(); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 468 | break; |
| 469 | } |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 470 | if (kExact_ScratchTexMatch == match) { |
| 471 | break; |
| 472 | } |
bsalomon@google.com | 40db6dc | 2013-03-06 16:35:49 +0000 | [diff] [blame] | 473 | // 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] | 474 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 475 | // 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] | 476 | // situations where no RT is needed; doing otherwise can confuse the video driver and |
| 477 | // cause significant performance problems in some cases. |
| 478 | if (desc.fFlags & kNoStencil_GrTextureFlagBit) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 479 | desc.fFlags = desc.fFlags & ~kNoStencil_GrTextureFlagBit; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 480 | } else { |
| 481 | break; |
| 482 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 483 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 484 | } while (true); |
| 485 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 486 | if (NULL == resource) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 487 | desc.fFlags = inDesc.fFlags; |
| 488 | desc.fWidth = origWidth; |
| 489 | desc.fHeight = origHeight; |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 490 | GrTexture* texture = fGpu->createTexture(desc, NULL, 0); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 491 | if (NULL != texture) { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 492 | GrResourceKey key = GrTexture::ComputeScratchKey(texture->desc()); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 493 | // Make the resource exclusive so future 'find' calls don't return it |
| 494 | fTextureCache->addResource(key, texture, GrResourceCache::kHide_OwnershipFlag); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 495 | resource = texture; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 496 | } |
| 497 | } |
| 498 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 499 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 500 | } |
| 501 | |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 502 | void GrContext::addExistingTextureToCache(GrTexture* texture) { |
| 503 | |
| 504 | if (NULL == texture) { |
| 505 | return; |
| 506 | } |
| 507 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 508 | // This texture should already have a cache entry since it was once |
| 509 | // attached |
| 510 | GrAssert(NULL != texture->getCacheEntry()); |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 511 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 512 | // Conceptually, the cache entry is going to assume responsibility |
| 513 | // for the creation ref. |
| 514 | GrAssert(1 == texture->getRefCnt()); |
| 515 | |
| 516 | // Since this texture came from an AutoScratchTexture it should |
| 517 | // still be in the exclusive pile |
| 518 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
| 519 | |
robertphillips@google.com | 50a035d | 2012-09-07 19:44:33 +0000 | [diff] [blame] | 520 | this->purgeCache(); |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 521 | } |
| 522 | |
robertphillips@google.com | a9b0623 | 2012-08-30 11:06:31 +0000 | [diff] [blame] | 523 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 524 | void GrContext::unlockScratchTexture(GrTexture* texture) { |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 525 | ASSERT_OWNED_RESOURCE(texture); |
| 526 | GrAssert(NULL != texture->getCacheEntry()); |
| 527 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 528 | // If this is a scratch texture we detached it from the cache |
| 529 | // while it was locked (to avoid two callers simultaneously getting |
| 530 | // the same texture). |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 531 | if (texture->getCacheEntry()->key().isScratch()) { |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 532 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 533 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 534 | |
robertphillips@google.com | 50a035d | 2012-09-07 19:44:33 +0000 | [diff] [blame] | 535 | this->purgeCache(); |
| 536 | } |
| 537 | |
| 538 | void GrContext::purgeCache() { |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 539 | if (NULL != fTextureCache) { |
| 540 | fTextureCache->purgeAsNeeded(); |
| 541 | } |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 542 | } |
| 543 | |
commit-bot@chromium.org | cae27fe | 2013-07-10 10:14:35 +0000 | [diff] [blame^] | 544 | bool GrContext::OverbudgetCB(void* data) { |
| 545 | GrAssert(NULL != data); |
| 546 | |
| 547 | GrContext* context = reinterpret_cast<GrContext*>(data); |
| 548 | |
| 549 | // Flush the InOrderDrawBuffer to possibly free up some textures |
| 550 | context->flush(); |
| 551 | |
| 552 | // TODO: actually track flush's behavior rather than always just |
| 553 | // returning true. |
| 554 | return true; |
| 555 | } |
| 556 | |
| 557 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 558 | GrTexture* GrContext::createUncachedTexture(const GrTextureDesc& descIn, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 559 | void* srcData, |
| 560 | size_t rowBytes) { |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 561 | GrTextureDesc descCopy = descIn; |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 562 | return fGpu->createTexture(descCopy, srcData, rowBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 563 | } |
| 564 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 565 | void GrContext::getTextureCacheLimits(int* maxTextures, |
| 566 | size_t* maxTextureBytes) const { |
| 567 | fTextureCache->getLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 568 | } |
| 569 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 570 | void GrContext::setTextureCacheLimits(int maxTextures, size_t maxTextureBytes) { |
| 571 | fTextureCache->setLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 572 | } |
| 573 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 574 | int GrContext::getMaxTextureSize() const { |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 575 | return fGpu->caps()->maxTextureSize(); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 576 | } |
| 577 | |
| 578 | int GrContext::getMaxRenderTargetSize() const { |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 579 | return fGpu->caps()->maxRenderTargetSize(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 580 | } |
| 581 | |
bsalomon@google.com | 8a70eef | 2013-03-19 13:58:55 +0000 | [diff] [blame] | 582 | int GrContext::getMaxSampleCount() const { |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 583 | return fGpu->caps()->maxSampleCount(); |
bsalomon@google.com | 8a70eef | 2013-03-19 13:58:55 +0000 | [diff] [blame] | 584 | } |
| 585 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 586 | /////////////////////////////////////////////////////////////////////////////// |
| 587 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 588 | GrTexture* GrContext::wrapBackendTexture(const GrBackendTextureDesc& desc) { |
| 589 | return fGpu->wrapBackendTexture(desc); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 590 | } |
| 591 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 592 | GrRenderTarget* GrContext::wrapBackendRenderTarget(const GrBackendRenderTargetDesc& desc) { |
| 593 | return fGpu->wrapBackendRenderTarget(desc); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 594 | } |
| 595 | |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 596 | /////////////////////////////////////////////////////////////////////////////// |
| 597 | |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 598 | bool GrContext::supportsIndex8PixelConfig(const GrTextureParams* params, |
bsalomon@google.com | 1f221a7 | 2011-08-23 20:54:07 +0000 | [diff] [blame] | 599 | int width, int height) const { |
bsalomon@google.com | c26d94f | 2013-03-25 18:19:00 +0000 | [diff] [blame] | 600 | const GrDrawTargetCaps* caps = fGpu->caps(); |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 601 | if (!caps->eightBitPaletteSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 602 | return false; |
| 603 | } |
| 604 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 605 | bool isPow2 = GrIsPow2(width) && GrIsPow2(height); |
| 606 | |
| 607 | if (!isPow2) { |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 608 | bool tiled = NULL != params && params->isTiled(); |
bsalomon@google.com | bcce892 | 2013-03-25 15:38:39 +0000 | [diff] [blame] | 609 | if (tiled && !caps->npotTextureTileSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 610 | return false; |
| 611 | } |
| 612 | } |
| 613 | return true; |
| 614 | } |
| 615 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 616 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 617 | //////////////////////////////////////////////////////////////////////////////// |
| 618 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 619 | void GrContext::clear(const GrIRect* rect, |
| 620 | const GrColor color, |
robertphillips@google.com | c82a8b7 | 2012-06-21 20:15:48 +0000 | [diff] [blame] | 621 | GrRenderTarget* target) { |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 622 | AutoRestoreEffects are; |
| 623 | this->prepareToDraw(NULL, BUFFERED_DRAW, &are)->clear(rect, color, target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 624 | } |
| 625 | |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 626 | void GrContext::drawPaint(const GrPaint& origPaint) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 627 | // set rect to be big enough to fill the space, but not super-huge, so we |
| 628 | // don't overflow fixed-point implementations |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 629 | GrRect r; |
| 630 | r.setLTRB(0, 0, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 631 | SkIntToScalar(getRenderTarget()->width()), |
| 632 | SkIntToScalar(getRenderTarget()->height())); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 633 | SkMatrix inverse; |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 634 | SkTCopyOnFirstWrite<GrPaint> paint(origPaint); |
robertphillips@google.com | fea85ac | 2012-07-11 18:53:23 +0000 | [diff] [blame] | 635 | AutoMatrix am; |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 636 | |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 637 | // We attempt to map r by the inverse matrix and draw that. mapRect will |
| 638 | // map the four corners and bound them with a new rect. This will not |
| 639 | // produce a correct result for some perspective matrices. |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 640 | if (!this->getMatrix().hasPerspective()) { |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 641 | if (!fViewMatrix.invert(&inverse)) { |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 642 | GrPrintf("Could not invert matrix\n"); |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 643 | return; |
| 644 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 645 | inverse.mapRect(&r); |
| 646 | } else { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 647 | if (!am.setIdentity(this, paint.writable())) { |
| 648 | GrPrintf("Could not invert matrix\n"); |
| 649 | return; |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 650 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 651 | } |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 652 | // by definition this fills the entire clip, no need for AA |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 653 | if (paint->isAntiAlias()) { |
| 654 | paint.writable()->setAntiAlias(false); |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 655 | } |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 656 | this->drawRect(*paint, r); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 657 | } |
| 658 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 659 | //////////////////////////////////////////////////////////////////////////////// |
| 660 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 661 | namespace { |
| 662 | inline bool disable_coverage_aa_for_blend(GrDrawTarget* target) { |
| 663 | return DISABLE_COVERAGE_AA_FOR_BLEND && !target->canApplyCoverage(); |
| 664 | } |
| 665 | } |
| 666 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 667 | //////////////////////////////////////////////////////////////////////////////// |
| 668 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 669 | /* create a triangle strip that strokes the specified triangle. There are 8 |
| 670 | unique vertices, but we repreat the last 2 to close up. Alternatively we |
| 671 | could use an indices array, and then only send 8 verts, but not sure that |
| 672 | would be faster. |
| 673 | */ |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 674 | static void setStrokeRectStrip(GrPoint verts[10], GrRect rect, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 675 | SkScalar width) { |
| 676 | const SkScalar rad = SkScalarHalf(width); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 677 | rect.sort(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 678 | |
| 679 | verts[0].set(rect.fLeft + rad, rect.fTop + rad); |
| 680 | verts[1].set(rect.fLeft - rad, rect.fTop - rad); |
| 681 | verts[2].set(rect.fRight - rad, rect.fTop + rad); |
| 682 | verts[3].set(rect.fRight + rad, rect.fTop - rad); |
| 683 | verts[4].set(rect.fRight - rad, rect.fBottom - rad); |
| 684 | verts[5].set(rect.fRight + rad, rect.fBottom + rad); |
| 685 | verts[6].set(rect.fLeft + rad, rect.fBottom - rad); |
| 686 | verts[7].set(rect.fLeft - rad, rect.fBottom + rad); |
| 687 | verts[8] = verts[0]; |
| 688 | verts[9] = verts[1]; |
| 689 | } |
| 690 | |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 691 | static bool isIRect(const GrRect& r) { |
skia.committer@gmail.com | eafdf12 | 2013-05-15 07:01:09 +0000 | [diff] [blame] | 692 | return SkScalarIsInt(r.fLeft) && SkScalarIsInt(r.fTop) && |
| 693 | SkScalarIsInt(r.fRight) && SkScalarIsInt(r.fBottom); |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 694 | } |
| 695 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 696 | static bool apply_aa_to_rect(GrDrawTarget* target, |
robertphillips@google.com | 28ac96e | 2013-05-13 13:38:35 +0000 | [diff] [blame] | 697 | const GrRect& rect, |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 698 | SkScalar strokeWidth, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 699 | const SkMatrix* matrix, |
| 700 | SkMatrix* combinedMatrix, |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 701 | GrRect* devRect, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 702 | bool* useVertexCoverage) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 703 | // 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] | 704 | // 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] | 705 | // integer coords. |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 706 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 707 | // we are keeping around the "tweak the alpha" trick because |
| 708 | // it is our only hope for the fixed-pipe implementation. |
| 709 | // In a shader implementation we can give a separate coverage input |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 710 | // TODO: remove this ugliness when we drop the fixed-pipe impl |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 711 | *useVertexCoverage = false; |
bsalomon@google.com | 2b44673 | 2013-02-12 16:47:41 +0000 | [diff] [blame] | 712 | if (!target->getDrawState().canTweakAlphaForCoverage()) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 713 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 714 | #if GR_DEBUG |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 715 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 716 | #endif |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 717 | return false; |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 718 | } else { |
| 719 | *useVertexCoverage = true; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 720 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 721 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 722 | const GrDrawState& drawState = target->getDrawState(); |
| 723 | if (drawState.getRenderTarget()->isMultisampled()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 724 | return false; |
| 725 | } |
| 726 | |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 727 | if (0 == strokeWidth && target->willUseHWAALines()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 728 | return false; |
| 729 | } |
| 730 | |
robertphillips@google.com | 4b140b5 | 2013-05-02 17:13:13 +0000 | [diff] [blame] | 731 | #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] | 732 | if (strokeWidth >= 0) { |
| 733 | #endif |
| 734 | if (!drawState.getViewMatrix().preservesAxisAlignment()) { |
| 735 | return false; |
| 736 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 737 | |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 738 | if (NULL != matrix && !matrix->preservesAxisAlignment()) { |
| 739 | return false; |
| 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 { |
| 743 | if (!drawState.getViewMatrix().preservesAxisAlignment() && |
| 744 | !drawState.getViewMatrix().preservesRightAngles()) { |
| 745 | return false; |
| 746 | } |
| 747 | |
| 748 | if (NULL != matrix && !matrix->preservesRightAngles()) { |
| 749 | return false; |
| 750 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 751 | } |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 752 | #endif |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 753 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 754 | *combinedMatrix = drawState.getViewMatrix(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 755 | if (NULL != matrix) { |
| 756 | combinedMatrix->preConcat(*matrix); |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 757 | |
| 758 | #if GR_DEBUG |
robertphillips@google.com | 4b140b5 | 2013-05-02 17:13:13 +0000 | [diff] [blame] | 759 | #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] | 760 | if (strokeWidth >= 0) { |
| 761 | #endif |
| 762 | GrAssert(combinedMatrix->preservesAxisAlignment()); |
robertphillips@google.com | 4b140b5 | 2013-05-02 17:13:13 +0000 | [diff] [blame] | 763 | #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] | 764 | } else { |
| 765 | GrAssert(combinedMatrix->preservesRightAngles()); |
| 766 | } |
| 767 | #endif |
| 768 | #endif |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 769 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 770 | |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 771 | combinedMatrix->mapRect(devRect, rect); |
robertphillips@google.com | 28ac96e | 2013-05-13 13:38:35 +0000 | [diff] [blame] | 772 | |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 773 | if (strokeWidth < 0) { |
| 774 | return !isIRect(*devRect); |
| 775 | } else { |
| 776 | return true; |
| 777 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 778 | } |
| 779 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 780 | void GrContext::drawRect(const GrPaint& paint, |
| 781 | const GrRect& rect, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 782 | SkScalar width, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 783 | const SkMatrix* matrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 784 | SK_TRACE_EVENT0("GrContext::drawRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 785 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 786 | AutoRestoreEffects are; |
| 787 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 788 | |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 789 | GrRect devRect; |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 790 | SkMatrix combinedMatrix; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 791 | bool useVertexCoverage; |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 792 | bool needAA = paint.isAntiAlias() && |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 793 | !target->getDrawState().getRenderTarget()->isMultisampled(); |
robertphillips@google.com | 28ac96e | 2013-05-13 13:38:35 +0000 | [diff] [blame] | 794 | bool doAA = needAA && apply_aa_to_rect(target, rect, width, matrix, |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 795 | &combinedMatrix, &devRect, |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 796 | &useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 797 | if (doAA) { |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 798 | GrDrawState::AutoViewMatrixRestore avmr; |
| 799 | if (!avmr.setIdentity(target->drawState())) { |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 800 | return; |
| 801 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 802 | if (width >= 0) { |
robertphillips@google.com | 18136d1 | 2013-05-10 11:05:58 +0000 | [diff] [blame] | 803 | fAARectRenderer->strokeAARect(this->getGpu(), target, |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 804 | rect, combinedMatrix, devRect, |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 805 | width, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 806 | } else { |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 807 | // filled AA rect |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 808 | fAARectRenderer->fillAARect(this->getGpu(), target, |
robertphillips@google.com | afd1cba | 2013-05-14 19:47:47 +0000 | [diff] [blame] | 809 | rect, combinedMatrix, devRect, |
robertphillips@google.com | b19cb7f | 2013-05-02 15:37:20 +0000 | [diff] [blame] | 810 | useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 811 | } |
| 812 | return; |
| 813 | } |
| 814 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 815 | if (width >= 0) { |
| 816 | // TODO: consider making static vertex buffers for these cases. |
bsalomon@google.com | 6438695 | 2013-02-08 21:22:44 +0000 | [diff] [blame] | 817 | // Hairline could be done by just adding closing vertex to |
| 818 | // unitSquareVertexBuffer() |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 819 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 820 | static const int worstCaseVertCount = 10; |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 821 | target->drawState()->setDefaultVertexAttribs(); |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 822 | GrDrawTarget::AutoReleaseGeometry geo(target, worstCaseVertCount, 0); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 823 | |
| 824 | if (!geo.succeeded()) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 825 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 826 | return; |
| 827 | } |
| 828 | |
| 829 | GrPrimitiveType primType; |
| 830 | int vertCount; |
| 831 | GrPoint* vertex = geo.positions(); |
| 832 | |
| 833 | if (width > 0) { |
| 834 | vertCount = 10; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 835 | primType = kTriangleStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 836 | setStrokeRectStrip(vertex, rect, width); |
| 837 | } else { |
| 838 | // hairline |
| 839 | vertCount = 5; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 840 | primType = kLineStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 841 | vertex[0].set(rect.fLeft, rect.fTop); |
| 842 | vertex[1].set(rect.fRight, rect.fTop); |
| 843 | vertex[2].set(rect.fRight, rect.fBottom); |
| 844 | vertex[3].set(rect.fLeft, rect.fBottom); |
| 845 | vertex[4].set(rect.fLeft, rect.fTop); |
| 846 | } |
| 847 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 848 | GrDrawState::AutoViewMatrixRestore avmr; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 849 | if (NULL != matrix) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 850 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | 2fdcdeb | 2012-10-08 17:15:55 +0000 | [diff] [blame] | 851 | avmr.set(drawState, *matrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 852 | } |
| 853 | |
| 854 | target->drawNonIndexed(primType, 0, vertCount); |
| 855 | } else { |
robertphillips@google.com | df3695e | 2013-04-09 14:01:44 +0000 | [diff] [blame] | 856 | // filled BW rect |
robertphillips@google.com | 235ef3d | 2013-04-20 12:10:26 +0000 | [diff] [blame] | 857 | target->drawSimpleRect(rect, matrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 858 | } |
| 859 | } |
| 860 | |
| 861 | void GrContext::drawRectToRect(const GrPaint& paint, |
| 862 | const GrRect& dstRect, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 863 | const GrRect& localRect, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 864 | const SkMatrix* dstMatrix, |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 865 | const SkMatrix* localMatrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 866 | SK_TRACE_EVENT0("GrContext::drawRectToRect"); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 867 | AutoRestoreEffects are; |
| 868 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are); |
bsalomon@google.com | 6438695 | 2013-02-08 21:22:44 +0000 | [diff] [blame] | 869 | |
bsalomon@google.com | c781888 | 2013-03-20 19:19:53 +0000 | [diff] [blame] | 870 | target->drawRect(dstRect, dstMatrix, &localRect, localMatrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 871 | } |
| 872 | |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 873 | namespace { |
| 874 | |
| 875 | extern const GrVertexAttrib gPosUVColorAttribs[] = { |
| 876 | {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding }, |
| 877 | {kVec2f_GrVertexAttribType, sizeof(GrPoint), kLocalCoord_GrVertexAttribBinding }, |
rmistry@google.com | c9f3b38 | 2013-04-22 12:45:30 +0000 | [diff] [blame] | 878 | {kVec4ub_GrVertexAttribType, 2*sizeof(GrPoint), kColor_GrVertexAttribBinding} |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 879 | }; |
| 880 | |
| 881 | extern const GrVertexAttrib gPosColorAttribs[] = { |
| 882 | {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, |
| 883 | {kVec4ub_GrVertexAttribType, sizeof(GrPoint), kColor_GrVertexAttribBinding}, |
| 884 | }; |
| 885 | |
| 886 | static void set_vertex_attributes(GrDrawState* drawState, |
| 887 | const GrPoint* texCoords, |
| 888 | const GrColor* colors, |
| 889 | int* colorOffset, |
| 890 | int* texOffset) { |
| 891 | *texOffset = -1; |
| 892 | *colorOffset = -1; |
| 893 | |
| 894 | if (NULL != texCoords && NULL != colors) { |
| 895 | *texOffset = sizeof(GrPoint); |
| 896 | *colorOffset = 2*sizeof(GrPoint); |
| 897 | drawState->setVertexAttribs<gPosUVColorAttribs>(3); |
| 898 | } else if (NULL != texCoords) { |
| 899 | *texOffset = sizeof(GrPoint); |
| 900 | drawState->setVertexAttribs<gPosUVColorAttribs>(2); |
| 901 | } else if (NULL != colors) { |
| 902 | *colorOffset = sizeof(GrPoint); |
| 903 | drawState->setVertexAttribs<gPosColorAttribs>(2); |
| 904 | } else { |
| 905 | drawState->setVertexAttribs<gPosColorAttribs>(1); |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | }; |
| 910 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 911 | void GrContext::drawVertices(const GrPaint& paint, |
| 912 | GrPrimitiveType primitiveType, |
| 913 | int vertexCount, |
| 914 | const GrPoint positions[], |
| 915 | const GrPoint texCoords[], |
| 916 | const GrColor colors[], |
| 917 | const uint16_t indices[], |
| 918 | int indexCount) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 919 | SK_TRACE_EVENT0("GrContext::drawVertices"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 920 | |
| 921 | GrDrawTarget::AutoReleaseGeometry geo; |
| 922 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 923 | AutoRestoreEffects are; |
| 924 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 925 | |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 926 | GrDrawState* drawState = target->drawState(); |
jvanverth@google.com | b8b705b | 2013-02-28 16:28:34 +0000 | [diff] [blame] | 927 | |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 928 | int colorOffset = -1, texOffset = -1; |
robertphillips@google.com | 4290330 | 2013-04-20 12:26:07 +0000 | [diff] [blame] | 929 | set_vertex_attributes(drawState, texCoords, colors, &colorOffset, &texOffset); |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 930 | |
| 931 | size_t vertexSize = drawState->getVertexSize(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 932 | if (sizeof(GrPoint) != vertexSize) { |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 933 | if (!geo.set(target, vertexCount, 0)) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 934 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 935 | return; |
| 936 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 937 | void* curVertex = geo.vertices(); |
| 938 | |
| 939 | for (int i = 0; i < vertexCount; ++i) { |
| 940 | *((GrPoint*)curVertex) = positions[i]; |
| 941 | |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 942 | if (texOffset >= 0) { |
jvanverth@google.com | 3976825 | 2013-02-14 15:25:44 +0000 | [diff] [blame] | 943 | *(GrPoint*)((intptr_t)curVertex + texOffset) = texCoords[i]; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 944 | } |
jvanverth@google.com | 9b855c7 | 2013-03-01 18:21:22 +0000 | [diff] [blame] | 945 | if (colorOffset >= 0) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 946 | *(GrColor*)((intptr_t)curVertex + colorOffset) = colors[i]; |
| 947 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 948 | curVertex = (void*)((intptr_t)curVertex + vertexSize); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 949 | } |
| 950 | } else { |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 951 | target->setVertexSourceToArray(positions, vertexCount); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 952 | } |
| 953 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 954 | // 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] | 955 | // management of GrDrawTarget's geometry to avoid copying points per-tile. |
bsalomon@google.com | a47a48d | 2011-04-26 20:22:11 +0000 | [diff] [blame] | 956 | |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 957 | if (NULL != indices) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 958 | target->setIndexSourceToArray(indices, indexCount); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 959 | target->drawIndexed(primitiveType, 0, 0, vertexCount, indexCount); |
bsalomon@google.com | 0406b9e | 2013-04-02 21:00:15 +0000 | [diff] [blame] | 960 | target->resetIndexSource(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 961 | } else { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 962 | target->drawNonIndexed(primitiveType, 0, vertexCount); |
| 963 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 964 | } |
| 965 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 966 | /////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 967 | |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 968 | void GrContext::drawRRect(const GrPaint& paint, |
| 969 | const SkRRect& rect, |
| 970 | const SkStrokeRec& stroke) { |
| 971 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 972 | AutoRestoreEffects are; |
| 973 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 974 | |
bsalomon@google.com | d09ab84 | 2013-05-15 17:30:26 +0000 | [diff] [blame] | 975 | bool useAA = paint.isAntiAlias() && |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 976 | !target->getDrawState().getRenderTarget()->isMultisampled() && |
bsalomon@google.com | d09ab84 | 2013-05-15 17:30:26 +0000 | [diff] [blame] | 977 | !disable_coverage_aa_for_blend(target); |
commit-bot@chromium.org | 37d883d | 2013-05-02 13:11:22 +0000 | [diff] [blame] | 978 | |
bsalomon@google.com | d09ab84 | 2013-05-15 17:30:26 +0000 | [diff] [blame] | 979 | if (!fOvalRenderer->drawSimpleRRect(target, this, useAA, rect, stroke)) { |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 980 | SkPath path; |
| 981 | path.addRRect(rect); |
bsalomon@google.com | d09ab84 | 2013-05-15 17:30:26 +0000 | [diff] [blame] | 982 | this->internalDrawPath(target, useAA, path, stroke); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 983 | } |
| 984 | } |
| 985 | |
| 986 | /////////////////////////////////////////////////////////////////////////////// |
| 987 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 988 | void GrContext::drawOval(const GrPaint& paint, |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 989 | const GrRect& oval, |
| 990 | const SkStrokeRec& stroke) { |
| 991 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 992 | AutoRestoreEffects are; |
| 993 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 994 | |
bsalomon@google.com | d09ab84 | 2013-05-15 17:30:26 +0000 | [diff] [blame] | 995 | bool useAA = paint.isAntiAlias() && |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 996 | !target->getDrawState().getRenderTarget()->isMultisampled() && |
bsalomon@google.com | d09ab84 | 2013-05-15 17:30:26 +0000 | [diff] [blame] | 997 | !disable_coverage_aa_for_blend(target); |
commit-bot@chromium.org | 37d883d | 2013-05-02 13:11:22 +0000 | [diff] [blame] | 998 | |
| 999 | if (!fOvalRenderer->drawOval(target, this, useAA, oval, stroke)) { |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1000 | SkPath path; |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1001 | path.addOval(oval); |
commit-bot@chromium.org | 37d883d | 2013-05-02 13:11:22 +0000 | [diff] [blame] | 1002 | this->internalDrawPath(target, useAA, path, stroke); |
skia.committer@gmail.com | 98ded84 | 2013-01-23 07:06:17 +0000 | [diff] [blame] | 1003 | } |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1004 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1005 | |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1006 | namespace { |
| 1007 | |
| 1008 | // Can 'path' be drawn as a pair of filled nested rectangles? |
| 1009 | static bool is_nested_rects(GrDrawTarget* target, |
| 1010 | const SkPath& path, |
| 1011 | const SkStrokeRec& stroke, |
| 1012 | SkRect rects[2], |
| 1013 | bool* useVertexCoverage) { |
| 1014 | SkASSERT(stroke.isFillStyle()); |
| 1015 | |
| 1016 | if (path.isInverseFillType()) { |
| 1017 | return false; |
| 1018 | } |
| 1019 | |
| 1020 | const GrDrawState& drawState = target->getDrawState(); |
| 1021 | |
| 1022 | // TODO: this restriction could be lifted if we were willing to apply |
| 1023 | // the matrix to all the points individually rather than just to the rect |
| 1024 | if (!drawState.getViewMatrix().preservesAxisAlignment()) { |
| 1025 | return false; |
| 1026 | } |
| 1027 | |
| 1028 | *useVertexCoverage = false; |
| 1029 | if (!target->getDrawState().canTweakAlphaForCoverage()) { |
| 1030 | if (disable_coverage_aa_for_blend(target)) { |
| 1031 | return false; |
| 1032 | } else { |
| 1033 | *useVertexCoverage = true; |
| 1034 | } |
| 1035 | } |
| 1036 | |
| 1037 | SkPath::Direction dirs[2]; |
| 1038 | if (!path.isNestedRects(rects, dirs)) { |
| 1039 | return false; |
| 1040 | } |
| 1041 | |
| 1042 | if (SkPath::kWinding_FillType == path.getFillType()) { |
| 1043 | // The two rects need to be wound opposite to each other |
| 1044 | return dirs[0] != dirs[1]; |
| 1045 | } else { |
| 1046 | return true; |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | }; |
| 1051 | |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 1052 | 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] | 1053 | |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1054 | if (path.isEmpty()) { |
sugoi@google.com | 12b4e27 | 2012-12-06 20:13:11 +0000 | [diff] [blame] | 1055 | if (path.isInverseFillType()) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1056 | this->drawPaint(paint); |
| 1057 | } |
| 1058 | return; |
| 1059 | } |
| 1060 | |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1061 | // 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] | 1062 | // Scratch textures can be recycled after they are returned to the texture |
| 1063 | // cache. This presents a potential hazard for buffered drawing. However, |
| 1064 | // the writePixels that uploads to the scratch will perform a flush so we're |
| 1065 | // OK. |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1066 | AutoRestoreEffects are; |
| 1067 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are); |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1068 | |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 1069 | bool useAA = paint.isAntiAlias() && !target->getDrawState().getRenderTarget()->isMultisampled(); |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1070 | if (useAA && stroke.getWidth() < 0 && !path.isConvex()) { |
| 1071 | // Concave AA paths are expensive - try to avoid them for special cases |
| 1072 | bool useVertexCoverage; |
| 1073 | SkRect rects[2]; |
| 1074 | |
| 1075 | if (is_nested_rects(target, path, stroke, rects, &useVertexCoverage)) { |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 1076 | SkMatrix origViewMatrix = target->getDrawState().getViewMatrix(); |
| 1077 | GrDrawState::AutoViewMatrixRestore avmr; |
| 1078 | if (!avmr.setIdentity(target->drawState())) { |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1079 | return; |
| 1080 | } |
| 1081 | |
| 1082 | fAARectRenderer->fillAANestedRects(this->getGpu(), target, |
| 1083 | rects, |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 1084 | origViewMatrix, |
robertphillips@google.com | 83d1a68 | 2013-05-17 12:50:27 +0000 | [diff] [blame] | 1085 | useVertexCoverage); |
| 1086 | return; |
| 1087 | } |
| 1088 | } |
| 1089 | |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1090 | SkRect ovalRect; |
| 1091 | bool isOval = path.isOval(&ovalRect); |
| 1092 | |
skia.committer@gmail.com | 7e32851 | 2013-03-23 07:01:28 +0000 | [diff] [blame] | 1093 | if (!isOval || path.isInverseFillType() |
commit-bot@chromium.org | 37d883d | 2013-05-02 13:11:22 +0000 | [diff] [blame] | 1094 | || !fOvalRenderer->drawOval(target, this, useAA, ovalRect, stroke)) { |
| 1095 | this->internalDrawPath(target, useAA, path, stroke); |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1096 | } |
| 1097 | } |
| 1098 | |
commit-bot@chromium.org | 37d883d | 2013-05-02 13:11:22 +0000 | [diff] [blame] | 1099 | void GrContext::internalDrawPath(GrDrawTarget* target, bool useAA, const SkPath& path, |
commit-bot@chromium.org | 8131283 | 2013-03-22 18:34:09 +0000 | [diff] [blame] | 1100 | const SkStrokeRec& stroke) { |
| 1101 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1102 | // An Assumption here is that path renderer would use some form of tweaking |
| 1103 | // the src color (either the input alpha or in the frag shader) to implement |
| 1104 | // aa. If we have some future driver-mojo path AA that can do the right |
| 1105 | // thing WRT to the blend then we'll need some query on the PR. |
| 1106 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1107 | #if GR_DEBUG |
bsalomon@google.com | 979432b | 2011-11-05 21:38:22 +0000 | [diff] [blame] | 1108 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1109 | #endif |
commit-bot@chromium.org | 37d883d | 2013-05-02 13:11:22 +0000 | [diff] [blame] | 1110 | useAA = false; |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1111 | } |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1112 | |
commit-bot@chromium.org | 37d883d | 2013-05-02 13:11:22 +0000 | [diff] [blame] | 1113 | GrPathRendererChain::DrawType type = useAA ? GrPathRendererChain::kColorAntiAlias_DrawType : |
| 1114 | GrPathRendererChain::kColor_DrawType; |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1115 | |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1116 | const SkPath* pathPtr = &path; |
| 1117 | SkPath tmpPath; |
| 1118 | SkStrokeRec strokeRec(stroke); |
| 1119 | |
| 1120 | // Try a 1st time without stroking the path and without allowing the SW renderer |
| 1121 | GrPathRenderer* pr = this->getPathRenderer(*pathPtr, strokeRec, target, false, type); |
| 1122 | |
| 1123 | if (NULL == pr) { |
| 1124 | if (!strokeRec.isHairlineStyle()) { |
| 1125 | // It didn't work the 1st time, so try again with the stroked path |
| 1126 | if (strokeRec.applyToPath(&tmpPath, *pathPtr)) { |
| 1127 | pathPtr = &tmpPath; |
| 1128 | strokeRec.setFillStyle(); |
| 1129 | } |
| 1130 | } |
| 1131 | // This time, allow SW renderer |
| 1132 | pr = this->getPathRenderer(*pathPtr, strokeRec, target, true, type); |
| 1133 | } |
| 1134 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1135 | if (NULL == pr) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1136 | #if GR_DEBUG |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1137 | GrPrintf("Unable to find path renderer compatible with path.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1138 | #endif |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1139 | return; |
| 1140 | } |
| 1141 | |
commit-bot@chromium.org | 37d883d | 2013-05-02 13:11:22 +0000 | [diff] [blame] | 1142 | pr->drawPath(*pathPtr, strokeRec, target, useAA); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1143 | } |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1144 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1145 | //////////////////////////////////////////////////////////////////////////////// |
| 1146 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1147 | void GrContext::flush(int flagsBitfield) { |
robertphillips@google.com | e7db8d6 | 2013-07-04 11:48:52 +0000 | [diff] [blame] | 1148 | if (NULL == fDrawBuffer) { |
| 1149 | return; |
| 1150 | } |
| 1151 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1152 | if (kDiscard_FlushBit & flagsBitfield) { |
| 1153 | fDrawBuffer->reset(); |
| 1154 | } else { |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 1155 | fDrawBuffer->flush(); |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 1156 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1157 | } |
| 1158 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1159 | bool GrContext::writeTexturePixels(GrTexture* texture, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1160 | int left, int top, int width, int height, |
| 1161 | GrPixelConfig config, const void* buffer, size_t rowBytes, |
| 1162 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1163 | SK_TRACE_EVENT0("GrContext::writeTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1164 | ASSERT_OWNED_RESOURCE(texture); |
| 1165 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1166 | if ((kUnpremul_PixelOpsFlag & flags) || !fGpu->canWriteTexturePixels(texture, config)) { |
| 1167 | if (NULL != texture->asRenderTarget()) { |
| 1168 | return this->writeRenderTargetPixels(texture->asRenderTarget(), |
| 1169 | left, top, width, height, |
| 1170 | config, buffer, rowBytes, flags); |
| 1171 | } else { |
| 1172 | return false; |
| 1173 | } |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1174 | } |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1175 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1176 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1177 | this->flush(); |
| 1178 | } |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1179 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1180 | return fGpu->writeTexturePixels(texture, left, top, width, height, |
| 1181 | config, buffer, rowBytes); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1182 | } |
| 1183 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1184 | bool GrContext::readTexturePixels(GrTexture* texture, |
| 1185 | int left, int top, int width, int height, |
| 1186 | GrPixelConfig config, void* buffer, size_t rowBytes, |
| 1187 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1188 | SK_TRACE_EVENT0("GrContext::readTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1189 | ASSERT_OWNED_RESOURCE(texture); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1190 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1191 | // TODO: code read pixels for textures that aren't also rendertargets |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1192 | GrRenderTarget* target = texture->asRenderTarget(); |
| 1193 | if (NULL != target) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1194 | return this->readRenderTargetPixels(target, |
| 1195 | left, top, width, height, |
| 1196 | config, buffer, rowBytes, |
| 1197 | flags); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1198 | } else { |
| 1199 | return false; |
| 1200 | } |
| 1201 | } |
| 1202 | |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1203 | #include "SkConfig8888.h" |
| 1204 | |
| 1205 | namespace { |
| 1206 | /** |
| 1207 | * Converts a GrPixelConfig to a SkCanvas::Config8888. Only byte-per-channel |
| 1208 | * formats are representable as Config8888 and so the function returns false |
| 1209 | * if the GrPixelConfig has no equivalent Config8888. |
| 1210 | */ |
| 1211 | bool grconfig_to_config8888(GrPixelConfig config, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1212 | bool unpremul, |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1213 | SkCanvas::Config8888* config8888) { |
| 1214 | switch (config) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1215 | case kRGBA_8888_GrPixelConfig: |
| 1216 | if (unpremul) { |
| 1217 | *config8888 = SkCanvas::kRGBA_Unpremul_Config8888; |
| 1218 | } else { |
| 1219 | *config8888 = SkCanvas::kRGBA_Premul_Config8888; |
| 1220 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1221 | return true; |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1222 | case kBGRA_8888_GrPixelConfig: |
| 1223 | if (unpremul) { |
| 1224 | *config8888 = SkCanvas::kBGRA_Unpremul_Config8888; |
| 1225 | } else { |
| 1226 | *config8888 = SkCanvas::kBGRA_Premul_Config8888; |
| 1227 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1228 | return true; |
| 1229 | default: |
| 1230 | return false; |
| 1231 | } |
| 1232 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1233 | |
| 1234 | // It returns a configuration with where the byte position of the R & B components are swapped in |
| 1235 | // relation to the input config. This should only be called with the result of |
| 1236 | // grconfig_to_config8888 as it will fail for other configs. |
| 1237 | SkCanvas::Config8888 swap_config8888_red_and_blue(SkCanvas::Config8888 config8888) { |
| 1238 | switch (config8888) { |
| 1239 | case SkCanvas::kBGRA_Premul_Config8888: |
| 1240 | return SkCanvas::kRGBA_Premul_Config8888; |
| 1241 | case SkCanvas::kBGRA_Unpremul_Config8888: |
| 1242 | return SkCanvas::kRGBA_Unpremul_Config8888; |
| 1243 | case SkCanvas::kRGBA_Premul_Config8888: |
| 1244 | return SkCanvas::kBGRA_Premul_Config8888; |
| 1245 | case SkCanvas::kRGBA_Unpremul_Config8888: |
| 1246 | return SkCanvas::kBGRA_Unpremul_Config8888; |
| 1247 | default: |
| 1248 | GrCrash("Unexpected input"); |
| 1249 | return SkCanvas::kBGRA_Unpremul_Config8888;; |
| 1250 | } |
| 1251 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1252 | } |
| 1253 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1254 | bool GrContext::readRenderTargetPixels(GrRenderTarget* target, |
| 1255 | int left, int top, int width, int height, |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1256 | GrPixelConfig dstConfig, void* buffer, size_t rowBytes, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1257 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1258 | SK_TRACE_EVENT0("GrContext::readRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1259 | ASSERT_OWNED_RESOURCE(target); |
| 1260 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1261 | if (NULL == target) { |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1262 | target = fRenderTarget.get(); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1263 | if (NULL == target) { |
| 1264 | return false; |
| 1265 | } |
| 1266 | } |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1267 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1268 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1269 | this->flush(); |
| 1270 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1271 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1272 | // 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] | 1273 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1274 | // If fGpu->readPixels would incur a y-flip cost then we will read the pixels upside down. We'll |
| 1275 | // either do the flipY by drawing into a scratch with a matrix or on the cpu after the read. |
| 1276 | bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top, |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1277 | width, height, dstConfig, |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1278 | rowBytes); |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1279 | // We ignore the preferred config if it is different than our config unless it is an R/B swap. |
| 1280 | // In that case we'll perform an R and B swap while drawing to a scratch texture of the swapped |
| 1281 | // config. Then we will call readPixels on the scratch with the swapped config. The swaps during |
| 1282 | // the draw cancels out the fact that we call readPixels with a config that is R/B swapped from |
| 1283 | // dstConfig. |
| 1284 | GrPixelConfig readConfig = dstConfig; |
| 1285 | bool swapRAndB = false; |
commit-bot@chromium.org | 5d1d79a | 2013-05-24 18:52:52 +0000 | [diff] [blame] | 1286 | if (GrPixelConfigSwapRAndB(dstConfig) == |
| 1287 | fGpu->preferredReadPixelsConfig(dstConfig, target->config())) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1288 | readConfig = GrPixelConfigSwapRAndB(readConfig); |
| 1289 | swapRAndB = true; |
| 1290 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1291 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1292 | bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1293 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1294 | if (unpremul && !GrPixelConfigIs8888(dstConfig)) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1295 | // The unpremul flag is only allowed for these two configs. |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1296 | return false; |
| 1297 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1298 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1299 | // If the src is a texture and we would have to do conversions after read pixels, we instead |
| 1300 | // do the conversions by drawing the src to a scratch texture. If we handle any of the |
| 1301 | // conversions in the draw we set the corresponding bool to false so that we don't reapply it |
| 1302 | // on the read back pixels. |
| 1303 | GrTexture* src = target->asTexture(); |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1304 | GrAutoScratchTexture ast; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1305 | if (NULL != src && (swapRAndB || unpremul || flipY)) { |
| 1306 | // Make the scratch a render target because we don't have a robust readTexturePixels as of |
| 1307 | // yet. It calls this function. |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1308 | GrTextureDesc desc; |
| 1309 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 1310 | desc.fWidth = width; |
| 1311 | desc.fHeight = height; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1312 | desc.fConfig = readConfig; |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1313 | desc.fOrigin = kTopLeft_GrSurfaceOrigin; |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1314 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1315 | // 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] | 1316 | // match the passed rect. However, if we see many different size rectangles we will trash |
| 1317 | // our texture cache and pay the cost of creating and destroying many textures. So, we only |
| 1318 | // 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] | 1319 | ScratchTexMatch match = kApprox_ScratchTexMatch; |
| 1320 | if (0 == left && |
| 1321 | 0 == top && |
| 1322 | target->width() == width && |
| 1323 | target->height() == height && |
| 1324 | fGpu->fullReadPixelsIsFasterThanPartial()) { |
| 1325 | match = kExact_ScratchTexMatch; |
| 1326 | } |
| 1327 | ast.set(this, desc, match); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1328 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1329 | if (texture) { |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1330 | // compute a matrix to perform the draw |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1331 | SkMatrix textureMatrix; |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1332 | textureMatrix.setTranslate(SK_Scalar1 *left, SK_Scalar1 *top); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1333 | textureMatrix.postIDiv(src->width(), src->height()); |
| 1334 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1335 | SkAutoTUnref<const GrEffectRef> effect; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1336 | if (unpremul) { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1337 | effect.reset(this->createPMToUPMEffect(src, swapRAndB, textureMatrix)); |
| 1338 | if (NULL != effect) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1339 | 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] | 1340 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1341 | } |
| 1342 | // If we failed to create a PM->UPM effect and have no other conversions to perform then |
| 1343 | // there is no longer any point to using the scratch. |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1344 | if (NULL != effect || flipY || swapRAndB) { |
| 1345 | if (!effect) { |
| 1346 | effect.reset(GrConfigConversionEffect::Create( |
| 1347 | src, |
| 1348 | swapRAndB, |
| 1349 | GrConfigConversionEffect::kNone_PMConversion, |
| 1350 | textureMatrix)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1351 | } |
| 1352 | swapRAndB = false; // we will handle the swap in the draw. |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1353 | |
robertphillips@google.com | 13f181f | 2013-03-02 12:02:08 +0000 | [diff] [blame] | 1354 | // We protect the existing geometry here since it may not be |
| 1355 | // clear to the caller that a draw operation (i.e., drawSimpleRect) |
| 1356 | // can be invoked in this method |
| 1357 | GrDrawTarget::AutoGeometryAndStatePush agasp(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1358 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1359 | GrAssert(effect); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1360 | drawState->addColorEffect(effect); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1361 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1362 | drawState->setRenderTarget(texture->asRenderTarget()); |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 1363 | GrRect rect = GrRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1364 | fGpu->drawSimpleRect(rect, NULL); |
| 1365 | // we want to read back from the scratch's origin |
| 1366 | left = 0; |
| 1367 | top = 0; |
| 1368 | target = texture->asRenderTarget(); |
| 1369 | } |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1370 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1371 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1372 | if (!fGpu->readPixels(target, |
| 1373 | left, top, width, height, |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1374 | readConfig, buffer, rowBytes)) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1375 | return false; |
| 1376 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1377 | // 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] | 1378 | if (unpremul || swapRAndB) { |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1379 | // These are initialized to suppress a warning |
| 1380 | SkCanvas::Config8888 srcC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1381 | SkCanvas::Config8888 dstC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1382 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1383 | SkDEBUGCODE(bool c8888IsValid =) grconfig_to_config8888(dstConfig, false, &srcC8888); |
| 1384 | grconfig_to_config8888(dstConfig, unpremul, &dstC8888); |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1385 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1386 | if (swapRAndB) { |
| 1387 | GrAssert(c8888IsValid); // we should only do r/b swap on 8888 configs |
| 1388 | srcC8888 = swap_config8888_red_and_blue(srcC8888); |
| 1389 | } |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1390 | GrAssert(c8888IsValid); |
| 1391 | uint32_t* b32 = reinterpret_cast<uint32_t*>(buffer); |
| 1392 | SkConvertConfig8888Pixels(b32, rowBytes, dstC8888, |
| 1393 | b32, rowBytes, srcC8888, |
| 1394 | width, height); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1395 | } |
| 1396 | return true; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1397 | } |
| 1398 | |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 1399 | void GrContext::resolveRenderTarget(GrRenderTarget* target) { |
| 1400 | GrAssert(target); |
| 1401 | ASSERT_OWNED_RESOURCE(target); |
| 1402 | // In the future we may track whether there are any pending draws to this |
| 1403 | // target. We don't today so we always perform a flush. We don't promise |
| 1404 | // this to our clients, though. |
| 1405 | this->flush(); |
| 1406 | fGpu->resolveRenderTarget(target); |
| 1407 | } |
| 1408 | |
scroggo@google.com | a2a3192 | 2012-12-07 19:14:45 +0000 | [diff] [blame] | 1409 | void GrContext::copyTexture(GrTexture* src, GrRenderTarget* dst, const SkIPoint* topLeft) { |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1410 | if (NULL == src || NULL == dst) { |
| 1411 | return; |
| 1412 | } |
| 1413 | ASSERT_OWNED_RESOURCE(src); |
| 1414 | |
twiz@google.com | 1ac87ff | 2012-04-27 19:39:33 +0000 | [diff] [blame] | 1415 | // Writes pending to the source texture are not tracked, so a flush |
| 1416 | // 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] | 1417 | // of the source texture. See similar behavior in |
twiz@google.com | 1ac87ff | 2012-04-27 19:39:33 +0000 | [diff] [blame] | 1418 | // GrContext::resolveRenderTarget. |
| 1419 | this->flush(); |
| 1420 | |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1421 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1422 | GrDrawState* drawState = fGpu->drawState(); |
| 1423 | drawState->setRenderTarget(dst); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1424 | SkMatrix sampleM; |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1425 | sampleM.setIDiv(src->width(), src->height()); |
scroggo@google.com | a2a3192 | 2012-12-07 19:14:45 +0000 | [diff] [blame] | 1426 | SkIRect srcRect = SkIRect::MakeWH(dst->width(), dst->height()); |
| 1427 | if (NULL != topLeft) { |
| 1428 | srcRect.offset(*topLeft); |
| 1429 | } |
| 1430 | SkIRect srcBounds = SkIRect::MakeWH(src->width(), src->height()); |
| 1431 | if (!srcRect.intersect(srcBounds)) { |
| 1432 | return; |
| 1433 | } |
| 1434 | sampleM.preTranslate(SkIntToScalar(srcRect.fLeft), SkIntToScalar(srcRect.fTop)); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1435 | drawState->addColorTextureEffect(src, sampleM); |
scroggo@google.com | a2a3192 | 2012-12-07 19:14:45 +0000 | [diff] [blame] | 1436 | SkRect dstR = SkRect::MakeWH(SkIntToScalar(srcRect.width()), SkIntToScalar(srcRect.height())); |
| 1437 | fGpu->drawSimpleRect(dstR, NULL); |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1438 | } |
| 1439 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1440 | bool GrContext::writeRenderTargetPixels(GrRenderTarget* target, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1441 | int left, int top, int width, int height, |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1442 | GrPixelConfig srcConfig, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1443 | const void* buffer, |
| 1444 | size_t rowBytes, |
| 1445 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1446 | SK_TRACE_EVENT0("GrContext::writeRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1447 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1448 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1449 | if (NULL == target) { |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1450 | target = fRenderTarget.get(); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1451 | if (NULL == target) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1452 | return false; |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1453 | } |
| 1454 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1455 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1456 | // TODO: when underlying api has a direct way to do this we should use it (e.g. glDrawPixels on |
| 1457 | // desktop GL). |
| 1458 | |
| 1459 | // We will always call some form of writeTexturePixels and we will pass our flags on to it. |
| 1460 | // Thus, we don't perform a flush here since that call will do it (if the kNoFlush flag isn't |
| 1461 | // set.) |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1462 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1463 | // If the RT is also a texture and we don't have to premultiply then take the texture path. |
| 1464 | // We expect to be at least as fast or faster since it doesn't use an intermediate texture as |
| 1465 | // we do below. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1466 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1467 | #if !GR_MAC_BUILD |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1468 | // At least some drivers on the Mac get confused when glTexImage2D is called on a texture |
| 1469 | // attached to an FBO. The FBO still sees the old image. TODO: determine what OS versions and/or |
| 1470 | // HW is affected. |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1471 | if (NULL != target->asTexture() && !(kUnpremul_PixelOpsFlag & flags) && |
| 1472 | fGpu->canWriteTexturePixels(target->asTexture(), srcConfig)) { |
| 1473 | return this->writeTexturePixels(target->asTexture(), |
| 1474 | left, top, width, height, |
| 1475 | srcConfig, buffer, rowBytes, flags); |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1476 | } |
| 1477 | #endif |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1478 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1479 | // We ignore the preferred config unless it is a R/B swap of the src config. In that case |
| 1480 | // we will upload the original src data to a scratch texture but we will spoof it as the swapped |
| 1481 | // config. This scratch will then have R and B swapped. We correct for this by swapping again |
| 1482 | // when drawing the scratch to the dst using a conversion effect. |
| 1483 | bool swapRAndB = false; |
| 1484 | GrPixelConfig writeConfig = srcConfig; |
commit-bot@chromium.org | 5d1d79a | 2013-05-24 18:52:52 +0000 | [diff] [blame] | 1485 | if (GrPixelConfigSwapRAndB(srcConfig) == |
| 1486 | fGpu->preferredWritePixelsConfig(srcConfig, target->config())) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1487 | writeConfig = GrPixelConfigSwapRAndB(srcConfig); |
| 1488 | swapRAndB = true; |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1489 | } |
| 1490 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1491 | GrTextureDesc desc; |
| 1492 | desc.fWidth = width; |
| 1493 | desc.fHeight = height; |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1494 | desc.fConfig = writeConfig; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 1495 | GrAutoScratchTexture ast(this, desc); |
| 1496 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1497 | if (NULL == texture) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1498 | return false; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1499 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1500 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1501 | SkAutoTUnref<const GrEffectRef> effect; |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1502 | SkMatrix textureMatrix; |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1503 | textureMatrix.setIDiv(texture->width(), texture->height()); |
| 1504 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1505 | // allocate a tmp buffer and sw convert the pixels to premul |
| 1506 | SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0); |
| 1507 | |
| 1508 | if (kUnpremul_PixelOpsFlag & flags) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1509 | if (!GrPixelConfigIs8888(srcConfig)) { |
| 1510 | return false; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1511 | } |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1512 | effect.reset(this->createUPMToPMEffect(texture, swapRAndB, textureMatrix)); |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1513 | // 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] | 1514 | if (NULL == effect) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1515 | SkCanvas::Config8888 srcConfig8888, dstConfig8888; |
| 1516 | GR_DEBUGCODE(bool success = ) |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1517 | grconfig_to_config8888(srcConfig, true, &srcConfig8888); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1518 | GrAssert(success); |
| 1519 | GR_DEBUGCODE(success = ) |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1520 | grconfig_to_config8888(srcConfig, false, &dstConfig8888); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1521 | GrAssert(success); |
| 1522 | const uint32_t* src = reinterpret_cast<const uint32_t*>(buffer); |
| 1523 | tmpPixels.reset(width * height); |
| 1524 | SkConvertConfig8888Pixels(tmpPixels.get(), 4 * width, dstConfig8888, |
| 1525 | src, rowBytes, srcConfig8888, |
| 1526 | width, height); |
| 1527 | buffer = tmpPixels.get(); |
| 1528 | rowBytes = 4 * width; |
| 1529 | } |
| 1530 | } |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1531 | if (NULL == effect) { |
| 1532 | effect.reset(GrConfigConversionEffect::Create(texture, |
| 1533 | swapRAndB, |
| 1534 | GrConfigConversionEffect::kNone_PMConversion, |
| 1535 | textureMatrix)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1536 | } |
| 1537 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1538 | if (!this->writeTexturePixels(texture, |
| 1539 | 0, 0, width, height, |
| 1540 | writeConfig, buffer, rowBytes, |
| 1541 | flags & ~kUnpremul_PixelOpsFlag)) { |
| 1542 | return false; |
| 1543 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1544 | |
robertphillips@google.com | 13f181f | 2013-03-02 12:02:08 +0000 | [diff] [blame] | 1545 | // writeRenderTargetPixels can be called in the midst of drawing another |
skia.committer@gmail.com | 0c23faf | 2013-03-03 07:16:29 +0000 | [diff] [blame] | 1546 | // 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] | 1547 | // drawing a rect) so preserve the current geometry. |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 1548 | SkMatrix matrix; |
| 1549 | matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
| 1550 | GrDrawTarget::AutoGeometryAndStatePush agasp(fGpu, GrDrawTarget::kReset_ASRInit, &matrix); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1551 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1552 | GrAssert(effect); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1553 | drawState->addColorEffect(effect); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1554 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1555 | drawState->setRenderTarget(target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1556 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1557 | fGpu->drawSimpleRect(GrRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)), NULL); |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1558 | return true; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1559 | } |
| 1560 | //////////////////////////////////////////////////////////////////////////////// |
| 1561 | |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1562 | GrDrawTarget* GrContext::prepareToDraw(const GrPaint* paint, |
| 1563 | BufferedDraw buffered, |
| 1564 | AutoRestoreEffects* are) { |
| 1565 | // All users of this draw state should be freeing up all effects when they're done. |
| 1566 | // Otherwise effects that own resources may keep those resources alive indefinitely. |
| 1567 | GrAssert(0 == fDrawState->numColorStages() && 0 == fDrawState->numCoverageStages()); |
| 1568 | |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1569 | if (kNo_BufferedDraw == buffered && kYes_BufferedDraw == fLastDrawWasBuffered) { |
robertphillips@google.com | 1267fbd | 2013-07-03 18:37:27 +0000 | [diff] [blame] | 1570 | fDrawBuffer->flush(); |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1571 | fLastDrawWasBuffered = kNo_BufferedDraw; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1572 | } |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1573 | ASSERT_OWNED_RESOURCE(fRenderTarget.get()); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1574 | if (NULL != paint) { |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1575 | GrAssert(NULL != are); |
| 1576 | are->set(fDrawState); |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1577 | fDrawState->setFromPaint(*paint, fViewMatrix, fRenderTarget.get()); |
bsalomon@google.com | af84e74 | 2012-10-05 13:23:24 +0000 | [diff] [blame] | 1578 | #if GR_DEBUG_PARTIAL_COVERAGE_CHECK |
| 1579 | if ((paint->hasMask() || 0xff != paint->fCoverage) && |
| 1580 | !fGpu->canApplyCoverage()) { |
| 1581 | GrPrintf("Partial pixel coverage will be incorrectly blended.\n"); |
| 1582 | } |
| 1583 | #endif |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1584 | } else { |
bsalomon@google.com | 137f134 | 2013-05-29 21:27:53 +0000 | [diff] [blame] | 1585 | fDrawState->reset(fViewMatrix); |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1586 | fDrawState->setRenderTarget(fRenderTarget.get()); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1587 | } |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1588 | GrDrawTarget* target; |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1589 | if (kYes_BufferedDraw == buffered) { |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1590 | fLastDrawWasBuffered = kYes_BufferedDraw; |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1591 | target = fDrawBuffer; |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1592 | } else { |
| 1593 | GrAssert(kNo_BufferedDraw == buffered); |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1594 | fLastDrawWasBuffered = kNo_BufferedDraw; |
| 1595 | target = fGpu; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1596 | } |
commit-bot@chromium.org | bb6a317 | 2013-05-28 17:25:49 +0000 | [diff] [blame] | 1597 | fDrawState->setState(GrDrawState::kClip_StateBit, NULL != fClip && |
| 1598 | !fClip->fClipStack->isWideOpen()); |
| 1599 | target->setClip(fClip); |
| 1600 | GrAssert(fDrawState == target->drawState()); |
| 1601 | return target; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1602 | } |
| 1603 | |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1604 | /* |
| 1605 | * This method finds a path renderer that can draw the specified path on |
| 1606 | * the provided target. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1607 | * 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] | 1608 | * can be individually allowed/disallowed via the "allowSW" boolean. |
| 1609 | */ |
bsalomon@google.com | 8d033a1 | 2012-04-27 15:52:53 +0000 | [diff] [blame] | 1610 | GrPathRenderer* GrContext::getPathRenderer(const SkPath& path, |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 1611 | const SkStrokeRec& stroke, |
bsalomon@google.com | c2099d2 | 2012-03-02 21:26:50 +0000 | [diff] [blame] | 1612 | const GrDrawTarget* target, |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1613 | bool allowSW, |
| 1614 | GrPathRendererChain::DrawType drawType, |
| 1615 | GrPathRendererChain::StencilSupport* stencilSupport) { |
| 1616 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1617 | if (NULL == fPathRendererChain) { |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1618 | fPathRendererChain = SkNEW_ARGS(GrPathRendererChain, (this)); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1619 | } |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1620 | |
sugoi@google.com | 12b4e27 | 2012-12-06 20:13:11 +0000 | [diff] [blame] | 1621 | GrPathRenderer* pr = fPathRendererChain->getPathRenderer(path, |
| 1622 | stroke, |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1623 | target, |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1624 | drawType, |
| 1625 | stencilSupport); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1626 | |
| 1627 | if (NULL == pr && allowSW) { |
| 1628 | if (NULL == fSoftwarePathRenderer) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1629 | fSoftwarePathRenderer = SkNEW_ARGS(GrSoftwarePathRenderer, (this)); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1630 | } |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1631 | pr = fSoftwarePathRenderer; |
| 1632 | } |
| 1633 | |
| 1634 | return pr; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1635 | } |
| 1636 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1637 | //////////////////////////////////////////////////////////////////////////////// |
| 1638 | |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 1639 | bool GrContext::isConfigRenderable(GrPixelConfig config) const { |
| 1640 | return fGpu->isConfigRenderable(config); |
| 1641 | } |
| 1642 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1643 | static inline intptr_t setOrClear(intptr_t bits, int shift, intptr_t pred) { |
| 1644 | intptr_t mask = 1 << shift; |
| 1645 | if (pred) { |
| 1646 | bits |= mask; |
| 1647 | } else { |
| 1648 | bits &= ~mask; |
| 1649 | } |
| 1650 | return bits; |
| 1651 | } |
| 1652 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1653 | void GrContext::setupDrawBuffer() { |
| 1654 | |
| 1655 | GrAssert(NULL == fDrawBuffer); |
| 1656 | GrAssert(NULL == fDrawBufferVBAllocPool); |
| 1657 | GrAssert(NULL == fDrawBufferIBAllocPool); |
| 1658 | |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1659 | fDrawBufferVBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1660 | SkNEW_ARGS(GrVertexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1661 | DRAW_BUFFER_VBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1662 | DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1663 | fDrawBufferIBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1664 | SkNEW_ARGS(GrIndexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1665 | DRAW_BUFFER_IBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1666 | DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1667 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1668 | fDrawBuffer = SkNEW_ARGS(GrInOrderDrawBuffer, (fGpu, |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 1669 | fDrawBufferVBAllocPool, |
| 1670 | fDrawBufferIBAllocPool)); |
bsalomon@google.com | 3c4d032 | 2012-04-03 18:04:51 +0000 | [diff] [blame] | 1671 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame] | 1672 | fDrawBuffer->setDrawState(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1673 | } |
| 1674 | |
bsalomon@google.com | 21c10c5 | 2013-06-13 17:44:07 +0000 | [diff] [blame] | 1675 | GrDrawTarget* GrContext::getTextTarget() { |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1676 | return this->prepareToDraw(NULL, BUFFERED_DRAW, NULL); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1677 | } |
| 1678 | |
| 1679 | const GrIndexBuffer* GrContext::getQuadIndexBuffer() const { |
| 1680 | return fGpu->getQuadIndexBuffer(); |
| 1681 | } |
bsalomon@google.com | dfe75bc | 2011-03-25 12:31:16 +0000 | [diff] [blame] | 1682 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1683 | namespace { |
| 1684 | void test_pm_conversions(GrContext* ctx, int* pmToUPMValue, int* upmToPMValue) { |
| 1685 | GrConfigConversionEffect::PMConversion pmToUPM; |
| 1686 | GrConfigConversionEffect::PMConversion upmToPM; |
| 1687 | GrConfigConversionEffect::TestForPreservingPMConversions(ctx, &pmToUPM, &upmToPM); |
| 1688 | *pmToUPMValue = pmToUPM; |
| 1689 | *upmToPMValue = upmToPM; |
| 1690 | } |
| 1691 | } |
| 1692 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1693 | const GrEffectRef* GrContext::createPMToUPMEffect(GrTexture* texture, |
| 1694 | bool swapRAndB, |
| 1695 | const SkMatrix& matrix) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1696 | if (!fDidTestPMConversions) { |
| 1697 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1698 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1699 | } |
| 1700 | GrConfigConversionEffect::PMConversion pmToUPM = |
| 1701 | static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion); |
| 1702 | if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1703 | return GrConfigConversionEffect::Create(texture, swapRAndB, pmToUPM, matrix); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1704 | } else { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1705 | return NULL; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1706 | } |
| 1707 | } |
| 1708 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1709 | const GrEffectRef* GrContext::createUPMToPMEffect(GrTexture* texture, |
| 1710 | bool swapRAndB, |
| 1711 | const SkMatrix& matrix) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1712 | if (!fDidTestPMConversions) { |
| 1713 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1714 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1715 | } |
| 1716 | GrConfigConversionEffect::PMConversion upmToPM = |
| 1717 | static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion); |
| 1718 | if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1719 | return GrConfigConversionEffect::Create(texture, swapRAndB, upmToPM, matrix); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1720 | } else { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1721 | return NULL; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1722 | } |
| 1723 | } |
| 1724 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1725 | GrTexture* GrContext::gaussianBlur(GrTexture* srcTexture, |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1726 | bool canClobberSrc, |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1727 | const SkRect& rect, |
| 1728 | float sigmaX, float sigmaY) { |
senorblanco@chromium.org | ceb4414 | 2012-03-05 20:53:36 +0000 | [diff] [blame] | 1729 | ASSERT_OWNED_RESOURCE(srcTexture); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 1730 | |
| 1731 | AutoRenderTarget art(this); |
| 1732 | |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1733 | AutoMatrix am; |
| 1734 | am.setIdentity(this); |
| 1735 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1736 | SkIRect clearRect; |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1737 | int scaleFactorX, radiusX; |
| 1738 | int scaleFactorY, radiusY; |
| 1739 | sigmaX = adjust_sigma(sigmaX, &scaleFactorX, &radiusX); |
| 1740 | sigmaY = adjust_sigma(sigmaY, &scaleFactorY, &radiusY); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1741 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1742 | SkRect srcRect(rect); |
| 1743 | scale_rect(&srcRect, 1.0f / scaleFactorX, 1.0f / scaleFactorY); |
| 1744 | srcRect.roundOut(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1745 | scale_rect(&srcRect, static_cast<float>(scaleFactorX), |
robertphillips@google.com | 8637a36 | 2012-04-10 18:32:35 +0000 | [diff] [blame] | 1746 | static_cast<float>(scaleFactorY)); |
robertphillips@google.com | 3e11c0b | 2012-07-11 18:20:35 +0000 | [diff] [blame] | 1747 | |
robertphillips@google.com | 56c79b1 | 2012-07-11 20:57:46 +0000 | [diff] [blame] | 1748 | AutoClip acs(this, srcRect); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1749 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1750 | GrAssert(kBGRA_8888_GrPixelConfig == srcTexture->config() || |
| 1751 | kRGBA_8888_GrPixelConfig == srcTexture->config() || |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 1752 | kAlpha_8_GrPixelConfig == srcTexture->config()); |
| 1753 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1754 | GrTextureDesc desc; |
| 1755 | desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; |
| 1756 | desc.fWidth = SkScalarFloorToInt(srcRect.width()); |
| 1757 | desc.fHeight = SkScalarFloorToInt(srcRect.height()); |
| 1758 | desc.fConfig = srcTexture->config(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1759 | |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1760 | GrAutoScratchTexture temp1, temp2; |
| 1761 | GrTexture* dstTexture = temp1.set(this, desc); |
| 1762 | GrTexture* tempTexture = canClobberSrc ? srcTexture : temp2.set(this, desc); |
robertphillips@google.com | 7d12675 | 2012-10-19 12:56:26 +0000 | [diff] [blame] | 1763 | if (NULL == dstTexture || NULL == tempTexture) { |
| 1764 | return NULL; |
| 1765 | } |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1766 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1767 | GrPaint paint; |
| 1768 | paint.reset(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1769 | |
| 1770 | for (int i = 1; i < scaleFactorX || i < scaleFactorY; i *= 2) { |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1771 | SkMatrix matrix; |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1772 | matrix.setIDiv(srcTexture->width(), srcTexture->height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1773 | this->setRenderTarget(dstTexture->asRenderTarget()); |
| 1774 | SkRect dstRect(srcRect); |
| 1775 | scale_rect(&dstRect, i < scaleFactorX ? 0.5f : 1.0f, |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1776 | i < scaleFactorY ? 0.5f : 1.0f); |
| 1777 | |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 1778 | paint.colorStage(0)->setEffect(GrSimpleTextureEffect::Create(srcTexture, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 1779 | matrix, |
| 1780 | true))->unref(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1781 | this->drawRectToRect(paint, dstRect, srcRect); |
| 1782 | srcRect = dstRect; |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1783 | srcTexture = dstTexture; |
| 1784 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1785 | } |
| 1786 | |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1787 | SkIRect srcIRect; |
| 1788 | srcRect.roundOut(&srcIRect); |
| 1789 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1790 | if (sigmaX > 0.0f) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1791 | if (scaleFactorX > 1) { |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1792 | // Clear out a radius to the right of the srcRect to prevent the |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1793 | // X convolution from reading garbage. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1794 | clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1795 | radiusX, srcIRect.height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1796 | this->clear(&clearRect, 0x0); |
| 1797 | } |
| 1798 | |
| 1799 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1800 | AutoRestoreEffects are; |
| 1801 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1802 | convolve_gaussian(target, srcTexture, srcRect, sigmaX, radiusX, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1803 | Gr1DKernelEffect::kX_Direction); |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1804 | srcTexture = dstTexture; |
| 1805 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1806 | } |
| 1807 | |
| 1808 | if (sigmaY > 0.0f) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1809 | if (scaleFactorY > 1 || sigmaX > 0.0f) { |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1810 | // Clear out a radius below the srcRect to prevent the Y |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1811 | // convolution from reading garbage. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1812 | clearRect = SkIRect::MakeXYWH(srcIRect.fLeft, srcIRect.fBottom, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1813 | srcIRect.width(), radiusY); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1814 | this->clear(&clearRect, 0x0); |
| 1815 | } |
| 1816 | |
| 1817 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | eb6879f | 2013-06-13 19:34:18 +0000 | [diff] [blame] | 1818 | AutoRestoreEffects are; |
| 1819 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW, &are); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1820 | convolve_gaussian(target, srcTexture, srcRect, sigmaY, radiusY, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1821 | Gr1DKernelEffect::kY_Direction); |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1822 | srcTexture = dstTexture; |
| 1823 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1824 | } |
| 1825 | |
| 1826 | if (scaleFactorX > 1 || scaleFactorY > 1) { |
| 1827 | // Clear one pixel to the right and below, to accommodate bilinear |
| 1828 | // upsampling. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1829 | clearRect = SkIRect::MakeXYWH(srcIRect.fLeft, srcIRect.fBottom, |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1830 | srcIRect.width() + 1, 1); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1831 | this->clear(&clearRect, 0x0); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1832 | clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1833 | 1, srcIRect.height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1834 | this->clear(&clearRect, 0x0); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1835 | SkMatrix matrix; |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1836 | // FIXME: This should be mitchell, not bilinear. |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1837 | matrix.setIDiv(srcTexture->width(), srcTexture->height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1838 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 1839 | paint.colorStage(0)->setEffect(GrSimpleTextureEffect::Create(srcTexture, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 1840 | matrix, |
| 1841 | true))->unref(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1842 | SkRect dstRect(srcRect); |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1843 | scale_rect(&dstRect, (float) scaleFactorX, (float) scaleFactorY); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1844 | this->drawRectToRect(paint, dstRect, srcRect); |
| 1845 | srcRect = dstRect; |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1846 | srcTexture = dstTexture; |
| 1847 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1848 | } |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1849 | if (srcTexture == temp1.texture()) { |
| 1850 | return temp1.detach(); |
| 1851 | } else if (srcTexture == temp2.texture()) { |
| 1852 | return temp2.detach(); |
| 1853 | } else { |
| 1854 | srcTexture->ref(); |
| 1855 | return srcTexture; |
| 1856 | } |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1857 | } |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 1858 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1859 | /////////////////////////////////////////////////////////////////////////////// |
robertphillips@google.com | 5955202 | 2012-08-31 13:07:37 +0000 | [diff] [blame] | 1860 | #if GR_CACHE_STATS |
robertphillips@google.com | 5f9f2f5 | 2012-08-22 10:57:05 +0000 | [diff] [blame] | 1861 | void GrContext::printCacheStats() const { |
| 1862 | fTextureCache->printStats(); |
| 1863 | } |
| 1864 | #endif |