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 | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 18 | #include "GrIndexBuffer.h" |
| 19 | #include "GrInOrderDrawBuffer.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 20 | #include "GrPathRenderer.h" |
tomhudson@google.com | d22b6e4 | 2011-06-24 15:53:40 +0000 | [diff] [blame] | 21 | #include "GrPathUtils.h" |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 22 | #include "GrResourceCache.h" |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 23 | #include "GrSoftwarePathRenderer.h" |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 24 | #include "GrStencilBuffer.h" |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 25 | #include "GrTextStrike.h" |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 26 | #include "SkRTConf.h" |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 27 | #include "SkStrokeRec.h" |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 28 | #include "SkTLazy.h" |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 29 | #include "SkTLS.h" |
tomhudson@google.com | 0c8d93a | 2011-07-01 17:08:26 +0000 | [diff] [blame] | 30 | #include "SkTrace.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 31 | |
reed@google.com | fa35e3d | 2012-06-26 20:16:17 +0000 | [diff] [blame] | 32 | SK_DEFINE_INST_COUNT(GrContext) |
| 33 | SK_DEFINE_INST_COUNT(GrDrawState) |
| 34 | |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 35 | // It can be useful to set this to false to test whether a bug is caused by using the |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 36 | // InOrderDrawBuffer, to compare performance of using/not using InOrderDrawBuffer, or to make |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 37 | // debugging simpler. |
| 38 | SK_CONF_DECLARE(bool, c_Defer, "gpu.deferContext", true, "Defers rendering in GrContext via GrInOrderDrawBuffer."); |
| 39 | |
| 40 | #define BUFFERED_DRAW (c_Defer ? kYes_BufferedDraw : kNo_BufferedDraw) |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 41 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 42 | #define MAX_BLUR_SIGMA 4.0f |
| 43 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 44 | // When we're using coverage AA but the blend is incompatible (given gpu |
| 45 | // limitations) should we disable AA or draw wrong? |
bsalomon@google.com | 950d7a8 | 2011-09-28 15:05:33 +0000 | [diff] [blame] | 46 | #define DISABLE_COVERAGE_AA_FOR_BLEND 1 |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 47 | |
reed@google.com | 4b2d3f3 | 2012-05-15 18:05:50 +0000 | [diff] [blame] | 48 | #if GR_DEBUG |
| 49 | // change this to a 1 to see notifications when partial coverage fails |
| 50 | #define GR_DEBUG_PARTIAL_COVERAGE_CHECK 0 |
| 51 | #else |
| 52 | #define GR_DEBUG_PARTIAL_COVERAGE_CHECK 0 |
| 53 | #endif |
| 54 | |
robertphillips@google.com | 1947ba6 | 2012-10-17 13:35:24 +0000 | [diff] [blame] | 55 | static const size_t MAX_TEXTURE_CACHE_COUNT = 2048; |
djsollen@google.com | 42041e6 | 2012-10-29 19:24:45 +0000 | [diff] [blame] | 56 | 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] | 57 | |
bsalomon@google.com | 6036149 | 2012-03-15 17:47:06 +0000 | [diff] [blame] | 58 | static const size_t DRAW_BUFFER_VBPOOL_BUFFER_SIZE = 1 << 15; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 59 | static const int DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS = 4; |
| 60 | |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 61 | static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = 1 << 11; |
| 62 | static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = 4; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 63 | |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 64 | #define ASSERT_OWNED_RESOURCE(R) GrAssert(!(R) || (R)->getContext() == this) |
| 65 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame^] | 66 | GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext) { |
| 67 | GrContext* context = SkNEW(GrContext); |
| 68 | if (context->init(backend, backendContext)) { |
| 69 | return context; |
| 70 | } else { |
| 71 | context->unref(); |
| 72 | return NULL; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 73 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 74 | } |
| 75 | |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 76 | namespace { |
| 77 | void* CreateThreadInstanceCount() { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 78 | return SkNEW_ARGS(int, (0)); |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 79 | } |
| 80 | void DeleteThreadInstanceCount(void* v) { |
| 81 | delete reinterpret_cast<int*>(v); |
| 82 | } |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame^] | 83 | #define THREAD_INSTANCE_COUNT \ |
| 84 | (*reinterpret_cast<int*>(SkTLS::Get(CreateThreadInstanceCount, DeleteThreadInstanceCount))) |
| 85 | } |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 86 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame^] | 87 | GrContext::GrContext() { |
| 88 | ++THREAD_INSTANCE_COUNT; |
| 89 | fDrawState = NULL; |
| 90 | fGpu = NULL; |
| 91 | fPathRendererChain = NULL; |
| 92 | fSoftwarePathRenderer = NULL; |
| 93 | fTextureCache = NULL; |
| 94 | fFontCache = NULL; |
| 95 | fDrawBuffer = NULL; |
| 96 | fDrawBufferVBAllocPool = NULL; |
| 97 | fDrawBufferIBAllocPool = NULL; |
| 98 | fAARectRenderer = NULL; |
| 99 | } |
| 100 | |
| 101 | bool GrContext::init(GrBackend backend, GrBackendContext backendContext) { |
| 102 | GrAssert(NULL == fGpu); |
| 103 | |
| 104 | fGpu = GrGpu::Create(backend, backendContext, this); |
| 105 | if (NULL == fGpu) { |
| 106 | return false; |
| 107 | } |
| 108 | |
| 109 | fDrawState = SkNEW(GrDrawState); |
| 110 | fGpu->setDrawState(fDrawState); |
| 111 | |
| 112 | |
| 113 | fTextureCache = SkNEW_ARGS(GrResourceCache, |
| 114 | (MAX_TEXTURE_CACHE_COUNT, |
| 115 | MAX_TEXTURE_CACHE_BYTES)); |
| 116 | fFontCache = SkNEW_ARGS(GrFontCache, (fGpu)); |
| 117 | |
| 118 | fLastDrawWasBuffered = kNo_BufferedDraw; |
| 119 | |
| 120 | fAARectRenderer = SkNEW(GrAARectRenderer); |
| 121 | |
| 122 | fDidTestPMConversions = false; |
| 123 | |
| 124 | this->setupDrawBuffer(); |
| 125 | |
| 126 | return true; |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | int GrContext::GetThreadInstanceCount() { |
| 130 | return THREAD_INSTANCE_COUNT; |
| 131 | } |
| 132 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 133 | GrContext::~GrContext() { |
robertphillips@google.com | cdb426d | 2012-09-24 19:33:59 +0000 | [diff] [blame] | 134 | for (int i = 0; i < fCleanUpData.count(); ++i) { |
| 135 | (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo); |
| 136 | } |
| 137 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 138 | this->flush(); |
robertphillips@google.com | 5acc0e3 | 2012-05-17 12:01:02 +0000 | [diff] [blame] | 139 | |
| 140 | // Since the gpu can hold scratch textures, give it a chance to let go |
| 141 | // of them before freeing the texture cache |
| 142 | fGpu->purgeResources(); |
| 143 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 144 | delete fTextureCache; |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 145 | fTextureCache = NULL; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 146 | delete fFontCache; |
| 147 | delete fDrawBuffer; |
| 148 | delete fDrawBufferVBAllocPool; |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 149 | delete fDrawBufferIBAllocPool; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 150 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 151 | fAARectRenderer->unref(); |
| 152 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 153 | fGpu->unref(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 154 | GrSafeUnref(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 155 | GrSafeUnref(fSoftwarePathRenderer); |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 156 | fDrawState->unref(); |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 157 | |
| 158 | --THREAD_INSTANCE_COUNT; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 159 | } |
| 160 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 161 | void GrContext::contextLost() { |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame^] | 162 | this->contextDestroyed(); |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 163 | this->setupDrawBuffer(); |
| 164 | } |
| 165 | |
| 166 | void GrContext::contextDestroyed() { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 167 | // abandon first to so destructors |
| 168 | // don't try to free the resources in the API. |
| 169 | fGpu->abandonResources(); |
| 170 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 171 | // a path renderer may be holding onto resources that |
| 172 | // are now unusable |
| 173 | GrSafeSetNull(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 174 | GrSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 175 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 176 | delete fDrawBuffer; |
| 177 | fDrawBuffer = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 178 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 179 | delete fDrawBufferVBAllocPool; |
| 180 | fDrawBufferVBAllocPool = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 181 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 182 | delete fDrawBufferIBAllocPool; |
| 183 | fDrawBufferIBAllocPool = NULL; |
| 184 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 185 | fAARectRenderer->reset(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 186 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 187 | fTextureCache->purgeAllUnlocked(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 188 | fFontCache->freeAll(); |
| 189 | fGpu->markContextDirty(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | void GrContext::resetContext() { |
| 193 | fGpu->markContextDirty(); |
| 194 | } |
| 195 | |
| 196 | void GrContext::freeGpuResources() { |
| 197 | this->flush(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 198 | |
robertphillips@google.com | ff17584 | 2012-05-14 19:31:39 +0000 | [diff] [blame] | 199 | fGpu->purgeResources(); |
| 200 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 201 | fAARectRenderer->reset(); |
| 202 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 203 | fTextureCache->purgeAllUnlocked(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 204 | fFontCache->freeAll(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 205 | // a path renderer may be holding onto resources |
| 206 | GrSafeSetNull(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 207 | GrSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 208 | } |
| 209 | |
twiz@google.com | 05e7024 | 2012-01-27 19:12:00 +0000 | [diff] [blame] | 210 | size_t GrContext::getGpuTextureCacheBytes() const { |
| 211 | return fTextureCache->getCachedResourceBytes(); |
| 212 | } |
| 213 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 214 | //////////////////////////////////////////////////////////////////////////////// |
| 215 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 216 | namespace { |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 217 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 218 | void scale_rect(SkRect* rect, float xScale, float yScale) { |
robertphillips@google.com | 5af5606 | 2012-04-27 15:39:52 +0000 | [diff] [blame] | 219 | rect->fLeft = SkScalarMul(rect->fLeft, SkFloatToScalar(xScale)); |
| 220 | rect->fTop = SkScalarMul(rect->fTop, SkFloatToScalar(yScale)); |
| 221 | rect->fRight = SkScalarMul(rect->fRight, SkFloatToScalar(xScale)); |
| 222 | rect->fBottom = SkScalarMul(rect->fBottom, SkFloatToScalar(yScale)); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 223 | } |
| 224 | |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 225 | float adjust_sigma(float sigma, int *scaleFactor, int *radius) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 226 | *scaleFactor = 1; |
| 227 | while (sigma > MAX_BLUR_SIGMA) { |
| 228 | *scaleFactor *= 2; |
| 229 | sigma *= 0.5f; |
| 230 | } |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 231 | *radius = static_cast<int>(ceilf(sigma * 3.0f)); |
| 232 | GrAssert(*radius <= GrConvolutionEffect::kMaxKernelRadius); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 233 | return sigma; |
| 234 | } |
| 235 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 236 | void convolve_gaussian(GrDrawTarget* target, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 237 | GrTexture* texture, |
| 238 | const SkRect& rect, |
| 239 | float sigma, |
| 240 | int radius, |
| 241 | Gr1DKernelEffect::Direction direction) { |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 242 | GrRenderTarget* rt = target->drawState()->getRenderTarget(); |
| 243 | GrDrawTarget::AutoStateRestore asr(target, GrDrawTarget::kReset_ASRInit); |
| 244 | GrDrawState* drawState = target->drawState(); |
| 245 | drawState->setRenderTarget(rt); |
bsalomon@google.com | c5fae9e | 2013-01-24 19:00:02 +0000 | [diff] [blame] | 246 | SkAutoTUnref<GrEffectRef> conv(GrConvolutionEffect::CreateGaussian(texture, |
bsalomon@google.com | 6340a41 | 2013-01-22 19:55:59 +0000 | [diff] [blame] | 247 | direction, |
| 248 | radius, |
| 249 | sigma)); |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 250 | drawState->setEffect(0, conv); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 251 | target->drawSimpleRect(rect, NULL); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 252 | } |
| 253 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 254 | } |
| 255 | |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 256 | //////////////////////////////////////////////////////////////////////////////// |
| 257 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 258 | GrTexture* GrContext::findAndRefTexture(const GrTextureDesc& desc, |
| 259 | const GrCacheID& cacheID, |
| 260 | const GrTextureParams* params) { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 261 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 262 | GrResource* resource = fTextureCache->find(resourceKey); |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 263 | SkSafeRef(resource); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 264 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 265 | } |
| 266 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 267 | bool GrContext::isTextureInCache(const GrTextureDesc& desc, |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 268 | const GrCacheID& cacheID, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 269 | const GrTextureParams* params) const { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 270 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 271 | return fTextureCache->hasKey(resourceKey); |
| 272 | } |
| 273 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 274 | void GrContext::addStencilBuffer(GrStencilBuffer* sb) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 275 | ASSERT_OWNED_RESOURCE(sb); |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 276 | |
| 277 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(sb->width(), |
| 278 | sb->height(), |
| 279 | sb->numSamples()); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 280 | fTextureCache->addResource(resourceKey, sb); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 281 | } |
| 282 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 283 | GrStencilBuffer* GrContext::findStencilBuffer(int width, int height, |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 284 | int sampleCnt) { |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 285 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(width, |
| 286 | height, |
| 287 | sampleCnt); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 288 | GrResource* resource = fTextureCache->find(resourceKey); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 289 | return static_cast<GrStencilBuffer*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 290 | } |
| 291 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 292 | static void stretchImage(void* dst, |
| 293 | int dstW, |
| 294 | int dstH, |
| 295 | void* src, |
| 296 | int srcW, |
| 297 | int srcH, |
| 298 | int bpp) { |
| 299 | GrFixed dx = (srcW << 16) / dstW; |
| 300 | GrFixed dy = (srcH << 16) / dstH; |
| 301 | |
| 302 | GrFixed y = dy >> 1; |
| 303 | |
| 304 | int dstXLimit = dstW*bpp; |
| 305 | for (int j = 0; j < dstH; ++j) { |
| 306 | GrFixed x = dx >> 1; |
| 307 | void* srcRow = (uint8_t*)src + (y>>16)*srcW*bpp; |
| 308 | void* dstRow = (uint8_t*)dst + j*dstW*bpp; |
| 309 | for (int i = 0; i < dstXLimit; i += bpp) { |
| 310 | memcpy((uint8_t*) dstRow + i, |
| 311 | (uint8_t*) srcRow + (x>>16)*bpp, |
| 312 | bpp); |
| 313 | x += dx; |
| 314 | } |
| 315 | y += dy; |
| 316 | } |
| 317 | } |
| 318 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 319 | // 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] | 320 | // the current hardware. Resize the texture to be a POT |
| 321 | GrTexture* GrContext::createResizedTexture(const GrTextureDesc& desc, |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 322 | const GrCacheID& cacheID, |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 323 | void* srcData, |
| 324 | size_t rowBytes, |
| 325 | bool needsFiltering) { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 326 | SkAutoTUnref<GrTexture> clampedTexture(this->findAndRefTexture(desc, cacheID, NULL)); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 327 | if (NULL == clampedTexture) { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 328 | clampedTexture.reset(this->createTexture(NULL, desc, cacheID, srcData, rowBytes)); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 329 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 330 | if (NULL == clampedTexture) { |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 331 | return NULL; |
| 332 | } |
| 333 | } |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 334 | |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 335 | GrTextureDesc rtDesc = desc; |
| 336 | rtDesc.fFlags = rtDesc.fFlags | |
| 337 | kRenderTarget_GrTextureFlagBit | |
| 338 | kNoStencil_GrTextureFlagBit; |
| 339 | rtDesc.fWidth = GrNextPow2(GrMax(desc.fWidth, 64)); |
| 340 | rtDesc.fHeight = GrNextPow2(GrMax(desc.fHeight, 64)); |
| 341 | |
| 342 | GrTexture* texture = fGpu->createTexture(rtDesc, NULL, 0); |
| 343 | |
| 344 | if (NULL != texture) { |
| 345 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
| 346 | GrDrawState* drawState = fGpu->drawState(); |
| 347 | drawState->setRenderTarget(texture->asRenderTarget()); |
| 348 | |
| 349 | // if filtering is not desired then we want to ensure all |
| 350 | // texels in the resampled image are copies of texels from |
| 351 | // the original. |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 352 | GrTextureParams params(SkShader::kClamp_TileMode, needsFiltering); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 353 | drawState->createTextureEffect(0, clampedTexture, SkMatrix::I(), params); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 354 | |
jvanverth@google.com | 3976825 | 2013-02-14 15:25:44 +0000 | [diff] [blame] | 355 | static const GrVertexLayout layout = GrDrawState::StageTexCoordVertexLayoutBit(0); |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 356 | drawState->setVertexLayout(layout); |
| 357 | GrDrawTarget::AutoReleaseGeometry arg(fGpu, 4, 0); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 358 | |
| 359 | if (arg.succeeded()) { |
| 360 | GrPoint* verts = (GrPoint*) arg.vertices(); |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 361 | verts[0].setIRectFan(0, 0, texture->width(), texture->height(), 2 * sizeof(GrPoint)); |
| 362 | verts[1].setIRectFan(0, 0, 1, 1, 2 * sizeof(GrPoint)); |
| 363 | fGpu->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 364 | } |
| 365 | texture->releaseRenderTarget(); |
| 366 | } else { |
| 367 | // TODO: Our CPU stretch doesn't filter. But we create separate |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 368 | // stretched textures when the texture params is either filtered or |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 369 | // not. Either implement filtered stretch blit on CPU or just create |
| 370 | // one when FBO case fails. |
| 371 | |
| 372 | rtDesc.fFlags = kNone_GrTextureFlags; |
| 373 | // no longer need to clamp at min RT size. |
| 374 | rtDesc.fWidth = GrNextPow2(desc.fWidth); |
| 375 | rtDesc.fHeight = GrNextPow2(desc.fHeight); |
| 376 | int bpp = GrBytesPerPixel(desc.fConfig); |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 377 | SkAutoSMalloc<128*128*4> stretchedPixels(bpp * rtDesc.fWidth * rtDesc.fHeight); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 378 | stretchImage(stretchedPixels.get(), rtDesc.fWidth, rtDesc.fHeight, |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 379 | srcData, desc.fWidth, desc.fHeight, bpp); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 380 | |
| 381 | size_t stretchedRowBytes = rtDesc.fWidth * bpp; |
| 382 | |
humper@google.com | 0e51577 | 2013-01-07 19:54:40 +0000 | [diff] [blame] | 383 | SkDEBUGCODE(GrTexture* texture = )fGpu->createTexture(rtDesc, stretchedPixels.get(), stretchedRowBytes); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 384 | GrAssert(NULL != texture); |
| 385 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 386 | |
| 387 | return texture; |
| 388 | } |
| 389 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 390 | GrTexture* GrContext::createTexture(const GrTextureParams* params, |
| 391 | const GrTextureDesc& desc, |
| 392 | const GrCacheID& cacheID, |
| 393 | void* srcData, |
| 394 | size_t rowBytes) { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 395 | SK_TRACE_EVENT0("GrContext::createTexture"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 396 | |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 397 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID); |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 398 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 399 | GrTexture* texture; |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 400 | if (GrTexture::NeedsResizing(resourceKey)) { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 401 | texture = this->createResizedTexture(desc, cacheID, |
| 402 | srcData, rowBytes, |
| 403 | GrTexture::NeedsFiltering(resourceKey)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 404 | } else { |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 405 | texture= fGpu->createTexture(desc, srcData, rowBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 406 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 407 | |
| 408 | if (NULL != texture) { |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 409 | fTextureCache->addResource(resourceKey, texture); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 410 | } |
| 411 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 412 | return texture; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 413 | } |
| 414 | |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 415 | GrTexture* GrContext::lockAndRefScratchTexture(const GrTextureDesc& inDesc, ScratchTexMatch match) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 416 | GrTextureDesc desc = inDesc; |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 417 | |
rileya@google.com | 2afb8ec | 2012-08-23 14:08:57 +0000 | [diff] [blame] | 418 | GrAssert((desc.fFlags & kRenderTarget_GrTextureFlagBit) || |
| 419 | !(desc.fFlags & kNoStencil_GrTextureFlagBit)); |
| 420 | |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 421 | if (kApprox_ScratchTexMatch == match) { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 422 | // bin by pow2 with a reasonable min |
| 423 | static const int MIN_SIZE = 256; |
| 424 | desc.fWidth = GrMax(MIN_SIZE, GrNextPow2(desc.fWidth)); |
| 425 | desc.fHeight = GrMax(MIN_SIZE, GrNextPow2(desc.fHeight)); |
| 426 | } |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 427 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 428 | GrResource* resource = NULL; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 429 | int origWidth = desc.fWidth; |
| 430 | int origHeight = desc.fHeight; |
| 431 | bool doubledW = false; |
| 432 | bool doubledH = false; |
| 433 | |
| 434 | do { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 435 | GrResourceKey key = GrTexture::ComputeScratchKey(desc); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 436 | // Ensure we have exclusive access to the texture so future 'find' calls don't return it |
| 437 | resource = fTextureCache->find(key, GrResourceCache::kHide_OwnershipFlag); |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 438 | if (NULL != resource) { |
| 439 | resource->ref(); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 440 | break; |
| 441 | } |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 442 | if (kExact_ScratchTexMatch == match) { |
| 443 | break; |
| 444 | } |
| 445 | // We had a cache miss and we are in approx mode, relax the fit of the flags... then try |
| 446 | // doubling width... then the height. |
| 447 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 448 | // 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] | 449 | // situations where no RT is needed; doing otherwise can confuse the video driver and |
| 450 | // cause significant performance problems in some cases. |
| 451 | if (desc.fFlags & kNoStencil_GrTextureFlagBit) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 452 | desc.fFlags = desc.fFlags & ~kNoStencil_GrTextureFlagBit; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 453 | } else if (!doubledW) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 454 | desc.fFlags = inDesc.fFlags; |
| 455 | desc.fWidth *= 2; |
| 456 | doubledW = true; |
| 457 | } else if (!doubledH) { |
| 458 | desc.fFlags = inDesc.fFlags; |
| 459 | desc.fWidth = origWidth; |
| 460 | desc.fHeight *= 2; |
| 461 | doubledH = true; |
| 462 | } else { |
| 463 | break; |
| 464 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 465 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 466 | } while (true); |
| 467 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 468 | if (NULL == resource) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 469 | desc.fFlags = inDesc.fFlags; |
| 470 | desc.fWidth = origWidth; |
| 471 | desc.fHeight = origHeight; |
bsalomon@google.com | 95ed55a | 2013-01-24 14:46:47 +0000 | [diff] [blame] | 472 | GrTexture* texture = fGpu->createTexture(desc, NULL, 0); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 473 | if (NULL != texture) { |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 474 | GrResourceKey key = GrTexture::ComputeScratchKey(texture->desc()); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 475 | // Make the resource exclusive so future 'find' calls don't return it |
| 476 | fTextureCache->addResource(key, texture, GrResourceCache::kHide_OwnershipFlag); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 477 | resource = texture; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 478 | } |
| 479 | } |
| 480 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 481 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 482 | } |
| 483 | |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 484 | void GrContext::addExistingTextureToCache(GrTexture* texture) { |
| 485 | |
| 486 | if (NULL == texture) { |
| 487 | return; |
| 488 | } |
| 489 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 490 | // This texture should already have a cache entry since it was once |
| 491 | // attached |
| 492 | GrAssert(NULL != texture->getCacheEntry()); |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 493 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 494 | // Conceptually, the cache entry is going to assume responsibility |
| 495 | // for the creation ref. |
| 496 | GrAssert(1 == texture->getRefCnt()); |
| 497 | |
| 498 | // Since this texture came from an AutoScratchTexture it should |
| 499 | // still be in the exclusive pile |
| 500 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
| 501 | |
robertphillips@google.com | 50a035d | 2012-09-07 19:44:33 +0000 | [diff] [blame] | 502 | this->purgeCache(); |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 503 | } |
| 504 | |
robertphillips@google.com | a9b0623 | 2012-08-30 11:06:31 +0000 | [diff] [blame] | 505 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 506 | void GrContext::unlockScratchTexture(GrTexture* texture) { |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 507 | ASSERT_OWNED_RESOURCE(texture); |
| 508 | GrAssert(NULL != texture->getCacheEntry()); |
| 509 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 510 | // If this is a scratch texture we detached it from the cache |
| 511 | // while it was locked (to avoid two callers simultaneously getting |
| 512 | // the same texture). |
bsalomon@google.com | 0797c2c | 2012-12-20 15:13:01 +0000 | [diff] [blame] | 513 | if (texture->getCacheEntry()->key().isScratch()) { |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 514 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 515 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 516 | |
robertphillips@google.com | 50a035d | 2012-09-07 19:44:33 +0000 | [diff] [blame] | 517 | this->purgeCache(); |
| 518 | } |
| 519 | |
| 520 | void GrContext::purgeCache() { |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 521 | if (NULL != fTextureCache) { |
| 522 | fTextureCache->purgeAsNeeded(); |
| 523 | } |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 524 | } |
| 525 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 526 | GrTexture* GrContext::createUncachedTexture(const GrTextureDesc& descIn, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 527 | void* srcData, |
| 528 | size_t rowBytes) { |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 529 | GrTextureDesc descCopy = descIn; |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 530 | return fGpu->createTexture(descCopy, srcData, rowBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 531 | } |
| 532 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 533 | void GrContext::getTextureCacheLimits(int* maxTextures, |
| 534 | size_t* maxTextureBytes) const { |
| 535 | fTextureCache->getLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 536 | } |
| 537 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 538 | void GrContext::setTextureCacheLimits(int maxTextures, size_t maxTextureBytes) { |
| 539 | fTextureCache->setLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 540 | } |
| 541 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 542 | int GrContext::getMaxTextureSize() const { |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 543 | return fGpu->getCaps().maxTextureSize(); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 544 | } |
| 545 | |
| 546 | int GrContext::getMaxRenderTargetSize() const { |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 547 | return fGpu->getCaps().maxRenderTargetSize(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | /////////////////////////////////////////////////////////////////////////////// |
| 551 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 552 | GrTexture* GrContext::wrapBackendTexture(const GrBackendTextureDesc& desc) { |
| 553 | return fGpu->wrapBackendTexture(desc); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 554 | } |
| 555 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 556 | GrRenderTarget* GrContext::wrapBackendRenderTarget(const GrBackendRenderTargetDesc& desc) { |
| 557 | return fGpu->wrapBackendRenderTarget(desc); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 558 | } |
| 559 | |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 560 | /////////////////////////////////////////////////////////////////////////////// |
| 561 | |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 562 | bool GrContext::supportsIndex8PixelConfig(const GrTextureParams* params, |
bsalomon@google.com | 1f221a7 | 2011-08-23 20:54:07 +0000 | [diff] [blame] | 563 | int width, int height) const { |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 564 | const GrDrawTarget::Caps& caps = fGpu->getCaps(); |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 565 | if (!caps.eightBitPaletteSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 566 | return false; |
| 567 | } |
| 568 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 569 | bool isPow2 = GrIsPow2(width) && GrIsPow2(height); |
| 570 | |
| 571 | if (!isPow2) { |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 572 | bool tiled = NULL != params && params->isTiled(); |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 573 | if (tiled && !caps.npotTextureTileSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 574 | return false; |
| 575 | } |
| 576 | } |
| 577 | return true; |
| 578 | } |
| 579 | |
| 580 | //////////////////////////////////////////////////////////////////////////////// |
| 581 | |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 582 | const GrClipData* GrContext::getClip() const { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 583 | return fGpu->getClip(); |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 584 | } |
bsalomon@google.com | 05ef510 | 2011-05-02 21:14:59 +0000 | [diff] [blame] | 585 | |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 586 | void GrContext::setClip(const GrClipData* clipData) { |
| 587 | fGpu->setClip(clipData); |
robertphillips@google.com | 837ec43 | 2012-10-04 17:57:05 +0000 | [diff] [blame] | 588 | |
skia.committer@gmail.com | f467ce7 | 2012-10-09 02:01:37 +0000 | [diff] [blame] | 589 | fDrawState->setState(GrDrawState::kClip_StateBit, |
robertphillips@google.com | 183e34b | 2012-10-19 18:19:01 +0000 | [diff] [blame] | 590 | clipData && clipData->fClipStack && !clipData->fClipStack->isWideOpen()); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 591 | } |
| 592 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 593 | //////////////////////////////////////////////////////////////////////////////// |
| 594 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 595 | void GrContext::clear(const GrIRect* rect, |
| 596 | const GrColor color, |
robertphillips@google.com | c82a8b7 | 2012-06-21 20:15:48 +0000 | [diff] [blame] | 597 | GrRenderTarget* target) { |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 598 | this->prepareToDraw(NULL, BUFFERED_DRAW)->clear(rect, color, target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 599 | } |
| 600 | |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 601 | void GrContext::drawPaint(const GrPaint& origPaint) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 602 | // set rect to be big enough to fill the space, but not super-huge, so we |
| 603 | // don't overflow fixed-point implementations |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 604 | GrRect r; |
| 605 | r.setLTRB(0, 0, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 606 | SkIntToScalar(getRenderTarget()->width()), |
| 607 | SkIntToScalar(getRenderTarget()->height())); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 608 | SkMatrix inverse; |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 609 | SkTCopyOnFirstWrite<GrPaint> paint(origPaint); |
robertphillips@google.com | fea85ac | 2012-07-11 18:53:23 +0000 | [diff] [blame] | 610 | AutoMatrix am; |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 611 | |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 612 | // We attempt to map r by the inverse matrix and draw that. mapRect will |
| 613 | // map the four corners and bound them with a new rect. This will not |
| 614 | // produce a correct result for some perspective matrices. |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 615 | if (!this->getMatrix().hasPerspective()) { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 616 | if (!fDrawState->getViewInverse(&inverse)) { |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 617 | GrPrintf("Could not invert matrix\n"); |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 618 | return; |
| 619 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 620 | inverse.mapRect(&r); |
| 621 | } else { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 622 | if (!am.setIdentity(this, paint.writable())) { |
| 623 | GrPrintf("Could not invert matrix\n"); |
| 624 | return; |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 625 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 626 | } |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 627 | // by definition this fills the entire clip, no need for AA |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 628 | if (paint->isAntiAlias()) { |
| 629 | paint.writable()->setAntiAlias(false); |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 630 | } |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 631 | this->drawRect(*paint, r); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 632 | } |
| 633 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 634 | //////////////////////////////////////////////////////////////////////////////// |
| 635 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 636 | namespace { |
| 637 | inline bool disable_coverage_aa_for_blend(GrDrawTarget* target) { |
| 638 | return DISABLE_COVERAGE_AA_FOR_BLEND && !target->canApplyCoverage(); |
| 639 | } |
| 640 | } |
| 641 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 642 | //////////////////////////////////////////////////////////////////////////////// |
| 643 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 644 | /* create a triangle strip that strokes the specified triangle. There are 8 |
| 645 | unique vertices, but we repreat the last 2 to close up. Alternatively we |
| 646 | could use an indices array, and then only send 8 verts, but not sure that |
| 647 | would be faster. |
| 648 | */ |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 649 | static void setStrokeRectStrip(GrPoint verts[10], GrRect rect, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 650 | SkScalar width) { |
| 651 | const SkScalar rad = SkScalarHalf(width); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 652 | rect.sort(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 653 | |
| 654 | verts[0].set(rect.fLeft + rad, rect.fTop + rad); |
| 655 | verts[1].set(rect.fLeft - rad, rect.fTop - rad); |
| 656 | verts[2].set(rect.fRight - rad, rect.fTop + rad); |
| 657 | verts[3].set(rect.fRight + rad, rect.fTop - rad); |
| 658 | verts[4].set(rect.fRight - rad, rect.fBottom - rad); |
| 659 | verts[5].set(rect.fRight + rad, rect.fBottom + rad); |
| 660 | verts[6].set(rect.fLeft + rad, rect.fBottom - rad); |
| 661 | verts[7].set(rect.fLeft - rad, rect.fBottom + rad); |
| 662 | verts[8] = verts[0]; |
| 663 | verts[9] = verts[1]; |
| 664 | } |
| 665 | |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 666 | /** |
| 667 | * Returns true if the rects edges are integer-aligned. |
| 668 | */ |
| 669 | static bool isIRect(const GrRect& r) { |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 670 | return SkScalarIsInt(r.fLeft) && SkScalarIsInt(r.fTop) && |
| 671 | SkScalarIsInt(r.fRight) && SkScalarIsInt(r.fBottom); |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 672 | } |
| 673 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 674 | static bool apply_aa_to_rect(GrDrawTarget* target, |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 675 | const GrRect& rect, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 676 | SkScalar width, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 677 | const SkMatrix* matrix, |
| 678 | SkMatrix* combinedMatrix, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 679 | GrRect* devRect, |
| 680 | bool* useVertexCoverage) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 681 | // 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] | 682 | // 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] | 683 | // integer coords. |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 684 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 685 | // we are keeping around the "tweak the alpha" trick because |
| 686 | // it is our only hope for the fixed-pipe implementation. |
| 687 | // In a shader implementation we can give a separate coverage input |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 688 | // TODO: remove this ugliness when we drop the fixed-pipe impl |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 689 | *useVertexCoverage = false; |
bsalomon@google.com | 2b44673 | 2013-02-12 16:47:41 +0000 | [diff] [blame] | 690 | if (!target->getDrawState().canTweakAlphaForCoverage()) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 691 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 692 | #if GR_DEBUG |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 693 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 694 | #endif |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 695 | return false; |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 696 | } else { |
| 697 | *useVertexCoverage = true; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 698 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 699 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 700 | const GrDrawState& drawState = target->getDrawState(); |
| 701 | if (drawState.getRenderTarget()->isMultisampled()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 702 | return false; |
| 703 | } |
| 704 | |
bsalomon@google.com | 471d471 | 2011-08-23 15:45:25 +0000 | [diff] [blame] | 705 | if (0 == width && target->willUseHWAALines()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 706 | return false; |
| 707 | } |
| 708 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 709 | if (!drawState.getViewMatrix().preservesAxisAlignment()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 710 | return false; |
| 711 | } |
| 712 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 713 | if (NULL != matrix && |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 714 | !matrix->preservesAxisAlignment()) { |
| 715 | return false; |
| 716 | } |
| 717 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 718 | *combinedMatrix = drawState.getViewMatrix(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 719 | if (NULL != matrix) { |
| 720 | combinedMatrix->preConcat(*matrix); |
| 721 | GrAssert(combinedMatrix->preservesAxisAlignment()); |
| 722 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 723 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 724 | combinedMatrix->mapRect(devRect, rect); |
| 725 | devRect->sort(); |
| 726 | |
| 727 | if (width < 0) { |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 728 | return !isIRect(*devRect); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 729 | } else { |
| 730 | return true; |
| 731 | } |
| 732 | } |
| 733 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 734 | void GrContext::drawRect(const GrPaint& paint, |
| 735 | const GrRect& rect, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 736 | SkScalar width, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 737 | const SkMatrix* matrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 738 | SK_TRACE_EVENT0("GrContext::drawRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 739 | |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 740 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW); |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 741 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 742 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 743 | GrRect devRect = rect; |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 744 | SkMatrix combinedMatrix; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 745 | bool useVertexCoverage; |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 746 | bool needAA = paint.isAntiAlias() && |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 747 | !this->getRenderTarget()->isMultisampled(); |
| 748 | bool doAA = needAA && apply_aa_to_rect(target, rect, width, matrix, |
| 749 | &combinedMatrix, &devRect, |
| 750 | &useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 751 | |
| 752 | if (doAA) { |
bsalomon@google.com | 5b3e890 | 2012-10-05 20:13:28 +0000 | [diff] [blame] | 753 | GrDrawState::AutoDeviceCoordDraw adcd(target->drawState()); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 754 | if (!adcd.succeeded()) { |
| 755 | return; |
| 756 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 757 | if (width >= 0) { |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 758 | GrVec strokeSize; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 759 | if (width > 0) { |
| 760 | strokeSize.set(width, width); |
bsalomon@google.com | cc4dac3 | 2011-05-10 13:52:42 +0000 | [diff] [blame] | 761 | combinedMatrix.mapVectors(&strokeSize, 1); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 762 | strokeSize.setAbs(strokeSize); |
| 763 | } else { |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 764 | strokeSize.set(SK_Scalar1, SK_Scalar1); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 765 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 766 | fAARectRenderer->strokeAARect(this->getGpu(), target, devRect, |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 767 | strokeSize, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 768 | } else { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 769 | fAARectRenderer->fillAARect(this->getGpu(), target, |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 770 | devRect, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 771 | } |
| 772 | return; |
| 773 | } |
| 774 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 775 | if (width >= 0) { |
| 776 | // TODO: consider making static vertex buffers for these cases. |
bsalomon@google.com | 6438695 | 2013-02-08 21:22:44 +0000 | [diff] [blame] | 777 | // Hairline could be done by just adding closing vertex to |
| 778 | // unitSquareVertexBuffer() |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 779 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 780 | static const int worstCaseVertCount = 10; |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 781 | target->drawState()->setVertexLayout(GrDrawState::kDefault_VertexLayout); |
| 782 | GrDrawTarget::AutoReleaseGeometry geo(target, worstCaseVertCount, 0); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 783 | |
| 784 | if (!geo.succeeded()) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 785 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 786 | return; |
| 787 | } |
| 788 | |
| 789 | GrPrimitiveType primType; |
| 790 | int vertCount; |
| 791 | GrPoint* vertex = geo.positions(); |
| 792 | |
| 793 | if (width > 0) { |
| 794 | vertCount = 10; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 795 | primType = kTriangleStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 796 | setStrokeRectStrip(vertex, rect, width); |
| 797 | } else { |
| 798 | // hairline |
| 799 | vertCount = 5; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 800 | primType = kLineStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 801 | vertex[0].set(rect.fLeft, rect.fTop); |
| 802 | vertex[1].set(rect.fRight, rect.fTop); |
| 803 | vertex[2].set(rect.fRight, rect.fBottom); |
| 804 | vertex[3].set(rect.fLeft, rect.fBottom); |
| 805 | vertex[4].set(rect.fLeft, rect.fTop); |
| 806 | } |
| 807 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 808 | GrDrawState::AutoViewMatrixRestore avmr; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 809 | if (NULL != matrix) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 810 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | 2fdcdeb | 2012-10-08 17:15:55 +0000 | [diff] [blame] | 811 | avmr.set(drawState, *matrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 812 | } |
| 813 | |
| 814 | target->drawNonIndexed(primType, 0, vertCount); |
| 815 | } else { |
bsalomon@google.com | 6438695 | 2013-02-08 21:22:44 +0000 | [diff] [blame] | 816 | #if GR_STATIC_RECT_VB |
| 817 | const GrVertexBuffer* sqVB = fGpu->getUnitSquareVertexBuffer(); |
| 818 | if (NULL == sqVB) { |
| 819 | GrPrintf("Failed to create static rect vb.\n"); |
| 820 | return; |
| 821 | } |
| 822 | |
| 823 | GrDrawState* drawState = target->drawState(); |
| 824 | drawState->setVertexLayout(GrDrawState::kDefault_VertexLayout); |
| 825 | target->setVertexSourceToBuffer(sqVB); |
| 826 | SkMatrix m; |
| 827 | m.setAll(rect.width(), 0, rect.fLeft, |
| 828 | 0, rect.height(), rect.fTop, |
| 829 | 0, 0, SkMatrix::I()[8]); |
| 830 | |
| 831 | if (NULL != matrix) { |
| 832 | m.postConcat(*matrix); |
| 833 | } |
| 834 | GrDrawState::AutoViewMatrixRestore avmr(drawState, m); |
| 835 | |
| 836 | target->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); |
| 837 | #else |
| 838 | target->drawSimpleRect(rect, matrix); |
| 839 | #endif |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 840 | } |
| 841 | } |
| 842 | |
| 843 | void GrContext::drawRectToRect(const GrPaint& paint, |
| 844 | const GrRect& dstRect, |
| 845 | const GrRect& srcRect, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 846 | const SkMatrix* dstMatrix, |
| 847 | const SkMatrix* srcMatrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 848 | SK_TRACE_EVENT0("GrContext::drawRectToRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 849 | |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 850 | // srcRect refers to paint's first color stage |
| 851 | if (!paint.isColorStageEnabled(0)) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 852 | drawRect(paint, dstRect, -1, dstMatrix); |
| 853 | return; |
| 854 | } |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 855 | |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 856 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW); |
bsalomon@google.com | 6438695 | 2013-02-08 21:22:44 +0000 | [diff] [blame] | 857 | |
| 858 | #if GR_STATIC_RECT_VB |
| 859 | GrDrawState::AutoStageDisable atr(fDrawState); |
| 860 | GrDrawState* drawState = target->drawState(); |
| 861 | |
| 862 | SkMatrix m; |
| 863 | |
| 864 | m.setAll(dstRect.width(), 0, dstRect.fLeft, |
| 865 | 0, dstRect.height(), dstRect.fTop, |
| 866 | 0, 0, SkMatrix::I()[8]); |
| 867 | if (NULL != dstMatrix) { |
| 868 | m.postConcat(*dstMatrix); |
| 869 | } |
| 870 | |
| 871 | // The first color stage's coords come from srcRect rather than applying a matrix to dstRect. |
| 872 | // We explicitly compute a matrix for that stage below, no need to adjust here. |
| 873 | static const uint32_t kExplicitCoordMask = 1 << GrPaint::kFirstColorStage; |
| 874 | GrDrawState::AutoViewMatrixRestore avmr(drawState, m, kExplicitCoordMask); |
| 875 | |
| 876 | m.setAll(srcRect.width(), 0, srcRect.fLeft, |
| 877 | 0, srcRect.height(), srcRect.fTop, |
| 878 | 0, 0, SkMatrix::I()[8]); |
| 879 | if (NULL != srcMatrix) { |
| 880 | m.postConcat(*srcMatrix); |
| 881 | } |
| 882 | |
| 883 | drawState->preConcatStageMatrices(kExplicitCoordMask, m); |
| 884 | |
| 885 | const GrVertexBuffer* sqVB = fGpu->getUnitSquareVertexBuffer(); |
| 886 | if (NULL == sqVB) { |
| 887 | GrPrintf("Failed to create static rect vb.\n"); |
| 888 | return; |
| 889 | } |
| 890 | drawState->setVertexLayout(GrDrawState::kDefault_VertexLayout); |
| 891 | target->setVertexSourceToBuffer(sqVB); |
| 892 | target->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); |
| 893 | #else |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 894 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 895 | |
jvanverth@google.com | 3976825 | 2013-02-14 15:25:44 +0000 | [diff] [blame] | 896 | target->drawRect(dstRect, dstMatrix, &srcRect, srcMatrix, 0); |
bsalomon@google.com | 6438695 | 2013-02-08 21:22:44 +0000 | [diff] [blame] | 897 | #endif |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 898 | } |
| 899 | |
| 900 | void GrContext::drawVertices(const GrPaint& paint, |
| 901 | GrPrimitiveType primitiveType, |
| 902 | int vertexCount, |
| 903 | const GrPoint positions[], |
| 904 | const GrPoint texCoords[], |
| 905 | const GrColor colors[], |
| 906 | const uint16_t indices[], |
| 907 | int indexCount) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 908 | SK_TRACE_EVENT0("GrContext::drawVertices"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 909 | |
| 910 | GrDrawTarget::AutoReleaseGeometry geo; |
| 911 | |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 912 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW); |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 913 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 914 | |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 915 | GrVertexLayout layout = 0; |
| 916 | if (NULL != texCoords) { |
jvanverth@google.com | 3976825 | 2013-02-14 15:25:44 +0000 | [diff] [blame] | 917 | layout |= GrDrawState::StageTexCoordVertexLayoutBit(0); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 918 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 919 | if (NULL != colors) { |
jvanverth@google.com | cc78238 | 2013-01-28 20:39:48 +0000 | [diff] [blame] | 920 | layout |= GrDrawState::kColor_VertexLayoutBit; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 921 | } |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 922 | target->drawState()->setVertexLayout(layout); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 923 | |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 924 | int vertexSize = target->getDrawState().getVertexSize(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 925 | if (sizeof(GrPoint) != vertexSize) { |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 926 | if (!geo.set(target, vertexCount, 0)) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 927 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 928 | return; |
| 929 | } |
jvanverth@google.com | 3976825 | 2013-02-14 15:25:44 +0000 | [diff] [blame] | 930 | int texOffset; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 931 | int colorOffset; |
jvanverth@google.com | 3976825 | 2013-02-14 15:25:44 +0000 | [diff] [blame] | 932 | GrDrawState::VertexSizeAndOffsets(layout, |
| 933 | &texOffset, |
| 934 | &colorOffset, |
| 935 | NULL, |
| 936 | NULL); |
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 | 3976825 | 2013-02-14 15:25:44 +0000 | [diff] [blame] | 942 | if (texOffset > 0) { |
| 943 | *(GrPoint*)((intptr_t)curVertex + texOffset) = texCoords[i]; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 944 | } |
| 945 | if (colorOffset > 0) { |
| 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 | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 960 | } else { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 961 | target->drawNonIndexed(primitiveType, 0, vertexCount); |
| 962 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 963 | } |
| 964 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 965 | /////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 966 | namespace { |
| 967 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 968 | struct CircleVertex { |
| 969 | GrPoint fPos; |
| 970 | GrPoint fCenter; |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 971 | SkScalar fOuterRadius; |
| 972 | SkScalar fInnerRadius; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 973 | }; |
| 974 | |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 975 | inline bool circleStaysCircle(const SkMatrix& m) { |
| 976 | return m.isSimilarity(); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 977 | } |
| 978 | |
| 979 | } |
| 980 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 981 | void GrContext::drawOval(const GrPaint& paint, |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 982 | const GrRect& oval, |
| 983 | const SkStrokeRec& stroke) { |
| 984 | |
| 985 | if (!canDrawOval(paint, oval, stroke)) { |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 986 | SkPath path; |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 987 | path.addOval(oval); |
| 988 | this->drawPath(paint, path, stroke); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 989 | return; |
skia.committer@gmail.com | 98ded84 | 2013-01-23 07:06:17 +0000 | [diff] [blame] | 990 | } |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 991 | |
| 992 | internalDrawOval(paint, oval, stroke); |
| 993 | } |
| 994 | |
| 995 | bool GrContext::canDrawOval(const GrPaint& paint, const GrRect& oval, const SkStrokeRec& stroke) const { |
| 996 | |
| 997 | if (!paint.isAntiAlias()) { |
| 998 | return false; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 999 | } |
skia.committer@gmail.com | 98ded84 | 2013-01-23 07:06:17 +0000 | [diff] [blame] | 1000 | |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1001 | // we can draw circles in any style |
skia.committer@gmail.com | 98ded84 | 2013-01-23 07:06:17 +0000 | [diff] [blame] | 1002 | bool isCircle = SkScalarNearlyEqual(oval.width(), oval.height()) |
| 1003 | && circleStaysCircle(this->getMatrix()); |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1004 | // and for now, axis-aligned ellipses only with fill or stroke-and-fill |
| 1005 | SkStrokeRec::Style style = stroke.getStyle(); |
| 1006 | bool isStroke = (style == SkStrokeRec::kStroke_Style || style == SkStrokeRec::kHairline_Style); |
| 1007 | bool isFilledAxisAlignedEllipse = this->getMatrix().rectStaysRect() && !isStroke; |
| 1008 | |
| 1009 | return isCircle || isFilledAxisAlignedEllipse; |
| 1010 | } |
| 1011 | |
| 1012 | void GrContext::internalDrawOval(const GrPaint& paint, |
| 1013 | const GrRect& oval, |
| 1014 | const SkStrokeRec& stroke) { |
| 1015 | |
| 1016 | SkScalar xRadius = SkScalarHalf(oval.width()); |
| 1017 | SkScalar yRadius = SkScalarHalf(oval.height()); |
skia.committer@gmail.com | 98ded84 | 2013-01-23 07:06:17 +0000 | [diff] [blame] | 1018 | |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1019 | SkScalar strokeWidth = stroke.getWidth(); |
| 1020 | SkStrokeRec::Style style = stroke.getStyle(); |
| 1021 | |
skia.committer@gmail.com | 98ded84 | 2013-01-23 07:06:17 +0000 | [diff] [blame] | 1022 | bool isCircle = SkScalarNearlyEqual(xRadius, yRadius) && circleStaysCircle(this->getMatrix()); |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1023 | #ifdef SK_DEBUG |
| 1024 | { |
| 1025 | // we should have checked for this previously |
| 1026 | bool isStroke = (style == SkStrokeRec::kStroke_Style || style == SkStrokeRec::kHairline_Style); |
| 1027 | bool isFilledAxisAlignedEllipse = this->getMatrix().rectStaysRect() && !isStroke; |
| 1028 | SkASSERT(paint.isAntiAlias() && (isCircle || isFilledAxisAlignedEllipse)); |
| 1029 | } |
| 1030 | #endif |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1031 | |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 1032 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1033 | |
bsalomon@google.com | 0982d35 | 2012-07-31 15:33:25 +0000 | [diff] [blame] | 1034 | GrDrawState* drawState = target->drawState(); |
| 1035 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1036 | const SkMatrix vm = drawState->getViewMatrix(); |
bsalomon@google.com | 0982d35 | 2012-07-31 15:33:25 +0000 | [diff] [blame] | 1037 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1038 | const GrRenderTarget* rt = drawState->getRenderTarget(); |
| 1039 | if (NULL == rt) { |
| 1040 | return; |
| 1041 | } |
| 1042 | |
bsalomon@google.com | 5b3e890 | 2012-10-05 20:13:28 +0000 | [diff] [blame] | 1043 | GrDrawState::AutoDeviceCoordDraw adcd(drawState); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 1044 | if (!adcd.succeeded()) { |
| 1045 | return; |
| 1046 | } |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1047 | |
jvanverth@google.com | cc78238 | 2013-01-28 20:39:48 +0000 | [diff] [blame] | 1048 | GrVertexLayout layout = GrDrawState::kEdge_VertexLayoutBit; |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 1049 | drawState->setVertexLayout(layout); |
| 1050 | GrAssert(sizeof(CircleVertex) == drawState->getVertexSize()); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1051 | |
jvanverth@google.com | b75b0a0 | 2013-02-05 20:33:30 +0000 | [diff] [blame] | 1052 | GrDrawTarget::AutoReleaseGeometry geo(target, 4, 0); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1053 | if (!geo.succeeded()) { |
| 1054 | GrPrintf("Failed to get space for vertices!\n"); |
| 1055 | return; |
| 1056 | } |
| 1057 | |
| 1058 | CircleVertex* verts = reinterpret_cast<CircleVertex*>(geo.vertices()); |
| 1059 | |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1060 | GrPoint center = GrPoint::Make(oval.centerX(), oval.centerY()); |
| 1061 | vm.mapPoints(¢er, 1); |
| 1062 | |
| 1063 | SkScalar L; |
| 1064 | SkScalar R; |
| 1065 | SkScalar T; |
| 1066 | SkScalar B; |
| 1067 | |
| 1068 | if (isCircle) { |
| 1069 | drawState->setVertexEdgeType(GrDrawState::kCircle_EdgeType); |
| 1070 | |
| 1071 | xRadius = vm.mapRadius(xRadius); |
| 1072 | |
| 1073 | SkScalar outerRadius = xRadius; |
| 1074 | SkScalar innerRadius = 0; |
| 1075 | SkScalar halfWidth = 0; |
| 1076 | if (style != SkStrokeRec::kFill_Style) { |
| 1077 | strokeWidth = vm.mapRadius(strokeWidth); |
| 1078 | if (SkScalarNearlyZero(strokeWidth)) { |
| 1079 | halfWidth = SK_ScalarHalf; |
| 1080 | } else { |
| 1081 | halfWidth = SkScalarHalf(strokeWidth); |
| 1082 | } |
| 1083 | |
| 1084 | outerRadius += halfWidth; |
| 1085 | if (style == SkStrokeRec::kStroke_Style || style == SkStrokeRec::kHairline_Style) { |
| 1086 | innerRadius = SkMaxScalar(0, xRadius - halfWidth); |
| 1087 | } |
| 1088 | } |
| 1089 | |
| 1090 | for (int i = 0; i < 4; ++i) { |
| 1091 | verts[i].fCenter = center; |
| 1092 | verts[i].fOuterRadius = outerRadius; |
| 1093 | verts[i].fInnerRadius = innerRadius; |
| 1094 | } |
| 1095 | |
| 1096 | L = -outerRadius; |
| 1097 | R = +outerRadius; |
| 1098 | T = -outerRadius; |
| 1099 | B = +outerRadius; |
| 1100 | } else { // is axis-aligned ellipse |
| 1101 | drawState->setVertexEdgeType(GrDrawState::kEllipse_EdgeType); |
| 1102 | |
| 1103 | SkRect xformedRect; |
| 1104 | vm.mapRect(&xformedRect, oval); |
| 1105 | |
| 1106 | xRadius = SkScalarHalf(xformedRect.width()); |
| 1107 | yRadius = SkScalarHalf(xformedRect.height()); |
| 1108 | |
| 1109 | if (style == SkStrokeRec::kStrokeAndFill_Style && strokeWidth > 0.0f) { |
| 1110 | SkScalar halfWidth = SkScalarHalf(strokeWidth); |
| 1111 | // do (potentially) anisotropic mapping |
| 1112 | SkVector scaledStroke; |
| 1113 | scaledStroke.set(halfWidth, halfWidth); |
| 1114 | vm.mapVectors(&scaledStroke, 1); |
| 1115 | // this is legit only if scale & translation (which should be the case at the moment) |
| 1116 | xRadius += scaledStroke.fX; |
| 1117 | yRadius += scaledStroke.fY; |
| 1118 | } |
| 1119 | |
| 1120 | SkScalar ratio = SkScalarDiv(xRadius, yRadius); |
skia.committer@gmail.com | 98ded84 | 2013-01-23 07:06:17 +0000 | [diff] [blame] | 1121 | |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1122 | for (int i = 0; i < 4; ++i) { |
| 1123 | verts[i].fCenter = center; |
| 1124 | verts[i].fOuterRadius = xRadius; |
| 1125 | verts[i].fInnerRadius = ratio; |
| 1126 | } |
| 1127 | |
| 1128 | L = -xRadius; |
| 1129 | R = +xRadius; |
| 1130 | T = -yRadius; |
| 1131 | B = +yRadius; |
| 1132 | } |
| 1133 | |
robertphillips@google.com | a0a66c1 | 2012-06-22 13:14:29 +0000 | [diff] [blame] | 1134 | // The fragment shader will extend the radius out half a pixel |
| 1135 | // to antialias. Expand the drawn rect here so all the pixels |
| 1136 | // will be captured. |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1137 | L += center.fX - SK_ScalarHalf; |
| 1138 | R += center.fX + SK_ScalarHalf; |
| 1139 | T += center.fY - SK_ScalarHalf; |
| 1140 | B += center.fY + SK_ScalarHalf; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1141 | |
| 1142 | verts[0].fPos = SkPoint::Make(L, T); |
| 1143 | verts[1].fPos = SkPoint::Make(R, T); |
| 1144 | verts[2].fPos = SkPoint::Make(L, B); |
| 1145 | verts[3].fPos = SkPoint::Make(R, B); |
| 1146 | |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1147 | target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4); |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1148 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1149 | |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 1150 | 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] | 1151 | |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1152 | if (path.isEmpty()) { |
sugoi@google.com | 12b4e27 | 2012-12-06 20:13:11 +0000 | [diff] [blame] | 1153 | if (path.isInverseFillType()) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1154 | this->drawPaint(paint); |
| 1155 | } |
| 1156 | return; |
| 1157 | } |
| 1158 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1159 | SkRect ovalRect; |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1160 | bool isOval = path.isOval(&ovalRect); |
| 1161 | |
| 1162 | if (isOval && !path.isInverseFillType() && this->canDrawOval(paint, ovalRect, stroke)) { |
| 1163 | this->drawOval(paint, ovalRect, stroke); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1164 | return; |
| 1165 | } |
| 1166 | |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1167 | this->internalDrawPath(paint, path, stroke); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1168 | } |
| 1169 | |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 1170 | void GrContext::internalDrawPath(const GrPaint& paint, const SkPath& path, const SkStrokeRec& stroke) { |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1171 | |
bsalomon@google.com | fb4ce6f | 2012-03-14 13:27:54 +0000 | [diff] [blame] | 1172 | // Note that below we may sw-rasterize the path into a scratch texture. |
| 1173 | // Scratch textures can be recycled after they are returned to the texture |
| 1174 | // cache. This presents a potential hazard for buffered drawing. However, |
| 1175 | // the writePixels that uploads to the scratch will perform a flush so we're |
| 1176 | // OK. |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 1177 | GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW); |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 1178 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1179 | |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 1180 | bool prAA = paint.isAntiAlias() && !this->getRenderTarget()->isMultisampled(); |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1181 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1182 | // An Assumption here is that path renderer would use some form of tweaking |
| 1183 | // the src color (either the input alpha or in the frag shader) to implement |
| 1184 | // aa. If we have some future driver-mojo path AA that can do the right |
| 1185 | // thing WRT to the blend then we'll need some query on the PR. |
| 1186 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1187 | #if GR_DEBUG |
bsalomon@google.com | 979432b | 2011-11-05 21:38:22 +0000 | [diff] [blame] | 1188 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1189 | #endif |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1190 | prAA = false; |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1191 | } |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1192 | |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1193 | GrPathRendererChain::DrawType type = prAA ? GrPathRendererChain::kColorAntiAlias_DrawType : |
| 1194 | GrPathRendererChain::kColor_DrawType; |
| 1195 | |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1196 | const SkPath* pathPtr = &path; |
| 1197 | SkPath tmpPath; |
| 1198 | SkStrokeRec strokeRec(stroke); |
| 1199 | |
| 1200 | // Try a 1st time without stroking the path and without allowing the SW renderer |
| 1201 | GrPathRenderer* pr = this->getPathRenderer(*pathPtr, strokeRec, target, false, type); |
| 1202 | |
| 1203 | if (NULL == pr) { |
| 1204 | if (!strokeRec.isHairlineStyle()) { |
| 1205 | // It didn't work the 1st time, so try again with the stroked path |
| 1206 | if (strokeRec.applyToPath(&tmpPath, *pathPtr)) { |
| 1207 | pathPtr = &tmpPath; |
| 1208 | strokeRec.setFillStyle(); |
| 1209 | } |
| 1210 | } |
| 1211 | // This time, allow SW renderer |
| 1212 | pr = this->getPathRenderer(*pathPtr, strokeRec, target, true, type); |
| 1213 | } |
| 1214 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1215 | if (NULL == pr) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1216 | #if GR_DEBUG |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1217 | GrPrintf("Unable to find path renderer compatible with path.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1218 | #endif |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1219 | return; |
| 1220 | } |
| 1221 | |
robertphillips@google.com | eb928ea | 2013-01-08 13:45:09 +0000 | [diff] [blame] | 1222 | pr->drawPath(*pathPtr, strokeRec, target, prAA); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1223 | } |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1224 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1225 | //////////////////////////////////////////////////////////////////////////////// |
| 1226 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1227 | void GrContext::flush(int flagsBitfield) { |
| 1228 | if (kDiscard_FlushBit & flagsBitfield) { |
| 1229 | fDrawBuffer->reset(); |
| 1230 | } else { |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1231 | this->flushDrawBuffer(); |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1232 | } |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1233 | if (kForceCurrentRenderTarget_FlushBit & flagsBitfield) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1234 | fGpu->forceRenderTargetFlush(); |
| 1235 | } |
| 1236 | } |
| 1237 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1238 | void GrContext::flushDrawBuffer() { |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame^] | 1239 | if (NULL != fDrawBuffer && !fDrawBuffer->isFlushing()) { |
| 1240 | fDrawBuffer->flush(); |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 1241 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1242 | } |
| 1243 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1244 | bool GrContext::writeTexturePixels(GrTexture* texture, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1245 | int left, int top, int width, int height, |
| 1246 | GrPixelConfig config, const void* buffer, size_t rowBytes, |
| 1247 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1248 | SK_TRACE_EVENT0("GrContext::writeTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1249 | ASSERT_OWNED_RESOURCE(texture); |
| 1250 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1251 | if ((kUnpremul_PixelOpsFlag & flags) || !fGpu->canWriteTexturePixels(texture, config)) { |
| 1252 | if (NULL != texture->asRenderTarget()) { |
| 1253 | return this->writeRenderTargetPixels(texture->asRenderTarget(), |
| 1254 | left, top, width, height, |
| 1255 | config, buffer, rowBytes, flags); |
| 1256 | } else { |
| 1257 | return false; |
| 1258 | } |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1259 | } |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1260 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1261 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1262 | this->flush(); |
| 1263 | } |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1264 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1265 | return fGpu->writeTexturePixels(texture, left, top, width, height, |
| 1266 | config, buffer, rowBytes); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1267 | } |
| 1268 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1269 | bool GrContext::readTexturePixels(GrTexture* texture, |
| 1270 | int left, int top, int width, int height, |
| 1271 | GrPixelConfig config, void* buffer, size_t rowBytes, |
| 1272 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1273 | SK_TRACE_EVENT0("GrContext::readTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1274 | ASSERT_OWNED_RESOURCE(texture); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1275 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1276 | // TODO: code read pixels for textures that aren't also rendertargets |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1277 | GrRenderTarget* target = texture->asRenderTarget(); |
| 1278 | if (NULL != target) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1279 | return this->readRenderTargetPixels(target, |
| 1280 | left, top, width, height, |
| 1281 | config, buffer, rowBytes, |
| 1282 | flags); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1283 | } else { |
| 1284 | return false; |
| 1285 | } |
| 1286 | } |
| 1287 | |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1288 | #include "SkConfig8888.h" |
| 1289 | |
| 1290 | namespace { |
| 1291 | /** |
| 1292 | * Converts a GrPixelConfig to a SkCanvas::Config8888. Only byte-per-channel |
| 1293 | * formats are representable as Config8888 and so the function returns false |
| 1294 | * if the GrPixelConfig has no equivalent Config8888. |
| 1295 | */ |
| 1296 | bool grconfig_to_config8888(GrPixelConfig config, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1297 | bool unpremul, |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1298 | SkCanvas::Config8888* config8888) { |
| 1299 | switch (config) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1300 | case kRGBA_8888_GrPixelConfig: |
| 1301 | if (unpremul) { |
| 1302 | *config8888 = SkCanvas::kRGBA_Unpremul_Config8888; |
| 1303 | } else { |
| 1304 | *config8888 = SkCanvas::kRGBA_Premul_Config8888; |
| 1305 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1306 | return true; |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1307 | case kBGRA_8888_GrPixelConfig: |
| 1308 | if (unpremul) { |
| 1309 | *config8888 = SkCanvas::kBGRA_Unpremul_Config8888; |
| 1310 | } else { |
| 1311 | *config8888 = SkCanvas::kBGRA_Premul_Config8888; |
| 1312 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1313 | return true; |
| 1314 | default: |
| 1315 | return false; |
| 1316 | } |
| 1317 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1318 | |
| 1319 | // It returns a configuration with where the byte position of the R & B components are swapped in |
| 1320 | // relation to the input config. This should only be called with the result of |
| 1321 | // grconfig_to_config8888 as it will fail for other configs. |
| 1322 | SkCanvas::Config8888 swap_config8888_red_and_blue(SkCanvas::Config8888 config8888) { |
| 1323 | switch (config8888) { |
| 1324 | case SkCanvas::kBGRA_Premul_Config8888: |
| 1325 | return SkCanvas::kRGBA_Premul_Config8888; |
| 1326 | case SkCanvas::kBGRA_Unpremul_Config8888: |
| 1327 | return SkCanvas::kRGBA_Unpremul_Config8888; |
| 1328 | case SkCanvas::kRGBA_Premul_Config8888: |
| 1329 | return SkCanvas::kBGRA_Premul_Config8888; |
| 1330 | case SkCanvas::kRGBA_Unpremul_Config8888: |
| 1331 | return SkCanvas::kBGRA_Unpremul_Config8888; |
| 1332 | default: |
| 1333 | GrCrash("Unexpected input"); |
| 1334 | return SkCanvas::kBGRA_Unpremul_Config8888;; |
| 1335 | } |
| 1336 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1337 | } |
| 1338 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1339 | bool GrContext::readRenderTargetPixels(GrRenderTarget* target, |
| 1340 | int left, int top, int width, int height, |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1341 | GrPixelConfig dstConfig, void* buffer, size_t rowBytes, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1342 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1343 | SK_TRACE_EVENT0("GrContext::readRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1344 | ASSERT_OWNED_RESOURCE(target); |
| 1345 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1346 | if (NULL == target) { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1347 | target = fDrawState->getRenderTarget(); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1348 | if (NULL == target) { |
| 1349 | return false; |
| 1350 | } |
| 1351 | } |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1352 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1353 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1354 | this->flush(); |
| 1355 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1356 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1357 | // 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] | 1358 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1359 | // If fGpu->readPixels would incur a y-flip cost then we will read the pixels upside down. We'll |
| 1360 | // either do the flipY by drawing into a scratch with a matrix or on the cpu after the read. |
| 1361 | bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top, |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1362 | width, height, dstConfig, |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1363 | rowBytes); |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1364 | // We ignore the preferred config if it is different than our config unless it is an R/B swap. |
| 1365 | // In that case we'll perform an R and B swap while drawing to a scratch texture of the swapped |
| 1366 | // config. Then we will call readPixels on the scratch with the swapped config. The swaps during |
| 1367 | // the draw cancels out the fact that we call readPixels with a config that is R/B swapped from |
| 1368 | // dstConfig. |
| 1369 | GrPixelConfig readConfig = dstConfig; |
| 1370 | bool swapRAndB = false; |
| 1371 | if (GrPixelConfigSwapRAndB(dstConfig) == fGpu->preferredReadPixelsConfig(dstConfig)) { |
| 1372 | readConfig = GrPixelConfigSwapRAndB(readConfig); |
| 1373 | swapRAndB = true; |
| 1374 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1375 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1376 | bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1377 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1378 | if (unpremul && !GrPixelConfigIs8888(dstConfig)) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1379 | // The unpremul flag is only allowed for these two configs. |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1380 | return false; |
| 1381 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1382 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1383 | // If the src is a texture and we would have to do conversions after read pixels, we instead |
| 1384 | // do the conversions by drawing the src to a scratch texture. If we handle any of the |
| 1385 | // conversions in the draw we set the corresponding bool to false so that we don't reapply it |
| 1386 | // on the read back pixels. |
| 1387 | GrTexture* src = target->asTexture(); |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1388 | GrAutoScratchTexture ast; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1389 | if (NULL != src && (swapRAndB || unpremul || flipY)) { |
| 1390 | // Make the scratch a render target because we don't have a robust readTexturePixels as of |
| 1391 | // yet. It calls this function. |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1392 | GrTextureDesc desc; |
| 1393 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 1394 | desc.fWidth = width; |
| 1395 | desc.fHeight = height; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1396 | desc.fConfig = readConfig; |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1397 | desc.fOrigin = kTopLeft_GrSurfaceOrigin; |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1398 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1399 | // 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] | 1400 | // match the passed rect. However, if we see many different size rectangles we will trash |
| 1401 | // our texture cache and pay the cost of creating and destroying many textures. So, we only |
| 1402 | // 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] | 1403 | ScratchTexMatch match = kApprox_ScratchTexMatch; |
| 1404 | if (0 == left && |
| 1405 | 0 == top && |
| 1406 | target->width() == width && |
| 1407 | target->height() == height && |
| 1408 | fGpu->fullReadPixelsIsFasterThanPartial()) { |
| 1409 | match = kExact_ScratchTexMatch; |
| 1410 | } |
| 1411 | ast.set(this, desc, match); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1412 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1413 | if (texture) { |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1414 | // compute a matrix to perform the draw |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1415 | SkMatrix textureMatrix; |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1416 | textureMatrix.setTranslate(SK_Scalar1 *left, SK_Scalar1 *top); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1417 | textureMatrix.postIDiv(src->width(), src->height()); |
| 1418 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1419 | SkAutoTUnref<const GrEffectRef> effect; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1420 | if (unpremul) { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1421 | effect.reset(this->createPMToUPMEffect(src, swapRAndB, textureMatrix)); |
| 1422 | if (NULL != effect) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1423 | 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] | 1424 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1425 | } |
| 1426 | // If we failed to create a PM->UPM effect and have no other conversions to perform then |
| 1427 | // there is no longer any point to using the scratch. |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1428 | if (NULL != effect || flipY || swapRAndB) { |
| 1429 | if (!effect) { |
| 1430 | effect.reset(GrConfigConversionEffect::Create( |
| 1431 | src, |
| 1432 | swapRAndB, |
| 1433 | GrConfigConversionEffect::kNone_PMConversion, |
| 1434 | textureMatrix)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1435 | } |
| 1436 | swapRAndB = false; // we will handle the swap in the draw. |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1437 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1438 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
| 1439 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1440 | GrAssert(effect); |
bsalomon@google.com | 9e040ae | 2013-01-28 14:31:19 +0000 | [diff] [blame] | 1441 | drawState->setEffect(0, effect); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1442 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1443 | drawState->setRenderTarget(texture->asRenderTarget()); |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 1444 | GrRect rect = GrRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1445 | fGpu->drawSimpleRect(rect, NULL); |
| 1446 | // we want to read back from the scratch's origin |
| 1447 | left = 0; |
| 1448 | top = 0; |
| 1449 | target = texture->asRenderTarget(); |
| 1450 | } |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1451 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1452 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1453 | if (!fGpu->readPixels(target, |
| 1454 | left, top, width, height, |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1455 | readConfig, buffer, rowBytes)) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1456 | return false; |
| 1457 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1458 | // 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] | 1459 | if (unpremul || swapRAndB) { |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1460 | // These are initialized to suppress a warning |
| 1461 | SkCanvas::Config8888 srcC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1462 | SkCanvas::Config8888 dstC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1463 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1464 | SkDEBUGCODE(bool c8888IsValid =) grconfig_to_config8888(dstConfig, false, &srcC8888); |
| 1465 | grconfig_to_config8888(dstConfig, unpremul, &dstC8888); |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1466 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1467 | if (swapRAndB) { |
| 1468 | GrAssert(c8888IsValid); // we should only do r/b swap on 8888 configs |
| 1469 | srcC8888 = swap_config8888_red_and_blue(srcC8888); |
| 1470 | } |
senorblanco@chromium.org | 3cb406b | 2013-02-05 19:50:46 +0000 | [diff] [blame] | 1471 | GrAssert(c8888IsValid); |
| 1472 | uint32_t* b32 = reinterpret_cast<uint32_t*>(buffer); |
| 1473 | SkConvertConfig8888Pixels(b32, rowBytes, dstC8888, |
| 1474 | b32, rowBytes, srcC8888, |
| 1475 | width, height); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1476 | } |
| 1477 | return true; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1478 | } |
| 1479 | |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 1480 | void GrContext::resolveRenderTarget(GrRenderTarget* target) { |
| 1481 | GrAssert(target); |
| 1482 | ASSERT_OWNED_RESOURCE(target); |
| 1483 | // In the future we may track whether there are any pending draws to this |
| 1484 | // target. We don't today so we always perform a flush. We don't promise |
| 1485 | // this to our clients, though. |
| 1486 | this->flush(); |
| 1487 | fGpu->resolveRenderTarget(target); |
| 1488 | } |
| 1489 | |
scroggo@google.com | a2a3192 | 2012-12-07 19:14:45 +0000 | [diff] [blame] | 1490 | void GrContext::copyTexture(GrTexture* src, GrRenderTarget* dst, const SkIPoint* topLeft) { |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1491 | if (NULL == src || NULL == dst) { |
| 1492 | return; |
| 1493 | } |
| 1494 | ASSERT_OWNED_RESOURCE(src); |
| 1495 | |
twiz@google.com | 1ac87ff | 2012-04-27 19:39:33 +0000 | [diff] [blame] | 1496 | // Writes pending to the source texture are not tracked, so a flush |
| 1497 | // 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] | 1498 | // of the source texture. See similar behavior in |
twiz@google.com | 1ac87ff | 2012-04-27 19:39:33 +0000 | [diff] [blame] | 1499 | // GrContext::resolveRenderTarget. |
| 1500 | this->flush(); |
| 1501 | |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1502 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1503 | GrDrawState* drawState = fGpu->drawState(); |
| 1504 | drawState->setRenderTarget(dst); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1505 | SkMatrix sampleM; |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1506 | sampleM.setIDiv(src->width(), src->height()); |
scroggo@google.com | a2a3192 | 2012-12-07 19:14:45 +0000 | [diff] [blame] | 1507 | SkIRect srcRect = SkIRect::MakeWH(dst->width(), dst->height()); |
| 1508 | if (NULL != topLeft) { |
| 1509 | srcRect.offset(*topLeft); |
| 1510 | } |
| 1511 | SkIRect srcBounds = SkIRect::MakeWH(src->width(), src->height()); |
| 1512 | if (!srcRect.intersect(srcBounds)) { |
| 1513 | return; |
| 1514 | } |
| 1515 | sampleM.preTranslate(SkIntToScalar(srcRect.fLeft), SkIntToScalar(srcRect.fTop)); |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1516 | drawState->createTextureEffect(0, src, sampleM); |
scroggo@google.com | a2a3192 | 2012-12-07 19:14:45 +0000 | [diff] [blame] | 1517 | SkRect dstR = SkRect::MakeWH(SkIntToScalar(srcRect.width()), SkIntToScalar(srcRect.height())); |
| 1518 | fGpu->drawSimpleRect(dstR, NULL); |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1519 | } |
| 1520 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1521 | bool GrContext::writeRenderTargetPixels(GrRenderTarget* target, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1522 | int left, int top, int width, int height, |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1523 | GrPixelConfig srcConfig, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1524 | const void* buffer, |
| 1525 | size_t rowBytes, |
| 1526 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1527 | SK_TRACE_EVENT0("GrContext::writeRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1528 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1529 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1530 | if (NULL == target) { |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1531 | target = fDrawState->getRenderTarget(); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1532 | if (NULL == target) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1533 | return false; |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1534 | } |
| 1535 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1536 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1537 | // TODO: when underlying api has a direct way to do this we should use it (e.g. glDrawPixels on |
| 1538 | // desktop GL). |
| 1539 | |
| 1540 | // We will always call some form of writeTexturePixels and we will pass our flags on to it. |
| 1541 | // Thus, we don't perform a flush here since that call will do it (if the kNoFlush flag isn't |
| 1542 | // set.) |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1543 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1544 | // If the RT is also a texture and we don't have to premultiply then take the texture path. |
| 1545 | // We expect to be at least as fast or faster since it doesn't use an intermediate texture as |
| 1546 | // we do below. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1547 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1548 | #if !GR_MAC_BUILD |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1549 | // At least some drivers on the Mac get confused when glTexImage2D is called on a texture |
| 1550 | // attached to an FBO. The FBO still sees the old image. TODO: determine what OS versions and/or |
| 1551 | // HW is affected. |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1552 | if (NULL != target->asTexture() && !(kUnpremul_PixelOpsFlag & flags) && |
| 1553 | fGpu->canWriteTexturePixels(target->asTexture(), srcConfig)) { |
| 1554 | return this->writeTexturePixels(target->asTexture(), |
| 1555 | left, top, width, height, |
| 1556 | srcConfig, buffer, rowBytes, flags); |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1557 | } |
| 1558 | #endif |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1559 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1560 | // We ignore the preferred config unless it is a R/B swap of the src config. In that case |
| 1561 | // we will upload the original src data to a scratch texture but we will spoof it as the swapped |
| 1562 | // config. This scratch will then have R and B swapped. We correct for this by swapping again |
| 1563 | // when drawing the scratch to the dst using a conversion effect. |
| 1564 | bool swapRAndB = false; |
| 1565 | GrPixelConfig writeConfig = srcConfig; |
| 1566 | if (fGpu->preferredWritePixelsConfig(srcConfig) == GrPixelConfigSwapRAndB(srcConfig)) { |
| 1567 | writeConfig = GrPixelConfigSwapRAndB(srcConfig); |
| 1568 | swapRAndB = true; |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1569 | } |
| 1570 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1571 | GrTextureDesc desc; |
| 1572 | desc.fWidth = width; |
| 1573 | desc.fHeight = height; |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1574 | desc.fConfig = writeConfig; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 1575 | GrAutoScratchTexture ast(this, desc); |
| 1576 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1577 | if (NULL == texture) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1578 | return false; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1579 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1580 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1581 | SkAutoTUnref<const GrEffectRef> effect; |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1582 | SkMatrix textureMatrix; |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1583 | textureMatrix.setIDiv(texture->width(), texture->height()); |
| 1584 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1585 | // allocate a tmp buffer and sw convert the pixels to premul |
| 1586 | SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0); |
| 1587 | |
| 1588 | if (kUnpremul_PixelOpsFlag & flags) { |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1589 | if (!GrPixelConfigIs8888(srcConfig)) { |
| 1590 | return false; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1591 | } |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1592 | effect.reset(this->createUPMToPMEffect(texture, swapRAndB, textureMatrix)); |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1593 | // 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] | 1594 | if (NULL == effect) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1595 | SkCanvas::Config8888 srcConfig8888, dstConfig8888; |
| 1596 | GR_DEBUGCODE(bool success = ) |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1597 | grconfig_to_config8888(srcConfig, true, &srcConfig8888); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1598 | GrAssert(success); |
| 1599 | GR_DEBUGCODE(success = ) |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1600 | grconfig_to_config8888(srcConfig, false, &dstConfig8888); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1601 | GrAssert(success); |
| 1602 | const uint32_t* src = reinterpret_cast<const uint32_t*>(buffer); |
| 1603 | tmpPixels.reset(width * height); |
| 1604 | SkConvertConfig8888Pixels(tmpPixels.get(), 4 * width, dstConfig8888, |
| 1605 | src, rowBytes, srcConfig8888, |
| 1606 | width, height); |
| 1607 | buffer = tmpPixels.get(); |
| 1608 | rowBytes = 4 * width; |
| 1609 | } |
| 1610 | } |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1611 | if (NULL == effect) { |
| 1612 | effect.reset(GrConfigConversionEffect::Create(texture, |
| 1613 | swapRAndB, |
| 1614 | GrConfigConversionEffect::kNone_PMConversion, |
| 1615 | textureMatrix)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1616 | } |
| 1617 | |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1618 | if (!this->writeTexturePixels(texture, |
| 1619 | 0, 0, width, height, |
| 1620 | writeConfig, buffer, rowBytes, |
| 1621 | flags & ~kUnpremul_PixelOpsFlag)) { |
| 1622 | return false; |
| 1623 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1624 | |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1625 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1626 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1627 | GrAssert(effect); |
bsalomon@google.com | 9e040ae | 2013-01-28 14:31:19 +0000 | [diff] [blame] | 1628 | drawState->setEffect(0, effect); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1629 | |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1630 | SkMatrix matrix; |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 1631 | matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1632 | drawState->setViewMatrix(matrix); |
| 1633 | drawState->setRenderTarget(target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1634 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1635 | fGpu->drawSimpleRect(GrRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)), NULL); |
bsalomon@google.com | 9c68058 | 2013-02-06 18:17:50 +0000 | [diff] [blame] | 1636 | return true; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1637 | } |
| 1638 | //////////////////////////////////////////////////////////////////////////////// |
| 1639 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1640 | GrDrawTarget* GrContext::prepareToDraw(const GrPaint* paint, BufferedDraw buffered) { |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1641 | if (kNo_BufferedDraw == buffered && kYes_BufferedDraw == fLastDrawWasBuffered) { |
bsalomon@google.com | fb4ce6f | 2012-03-14 13:27:54 +0000 | [diff] [blame] | 1642 | this->flushDrawBuffer(); |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1643 | fLastDrawWasBuffered = kNo_BufferedDraw; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1644 | } |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1645 | if (NULL != paint) { |
bsalomon@google.com | af84e74 | 2012-10-05 13:23:24 +0000 | [diff] [blame] | 1646 | GrAssert(fDrawState->stagesDisabled()); |
| 1647 | fDrawState->setFromPaint(*paint); |
| 1648 | #if GR_DEBUG_PARTIAL_COVERAGE_CHECK |
| 1649 | if ((paint->hasMask() || 0xff != paint->fCoverage) && |
| 1650 | !fGpu->canApplyCoverage()) { |
| 1651 | GrPrintf("Partial pixel coverage will be incorrectly blended.\n"); |
| 1652 | } |
| 1653 | #endif |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1654 | } |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1655 | if (kYes_BufferedDraw == buffered) { |
| 1656 | fDrawBuffer->setClip(fGpu->getClip()); |
| 1657 | fLastDrawWasBuffered = kYes_BufferedDraw; |
| 1658 | return fDrawBuffer; |
| 1659 | } else { |
| 1660 | GrAssert(kNo_BufferedDraw == buffered); |
| 1661 | return fGpu; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1662 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1663 | } |
| 1664 | |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1665 | /* |
| 1666 | * This method finds a path renderer that can draw the specified path on |
| 1667 | * the provided target. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1668 | * 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] | 1669 | * can be individually allowed/disallowed via the "allowSW" boolean. |
| 1670 | */ |
bsalomon@google.com | 8d033a1 | 2012-04-27 15:52:53 +0000 | [diff] [blame] | 1671 | GrPathRenderer* GrContext::getPathRenderer(const SkPath& path, |
sugoi@google.com | 5f74cf8 | 2012-12-17 21:16:45 +0000 | [diff] [blame] | 1672 | const SkStrokeRec& stroke, |
bsalomon@google.com | c2099d2 | 2012-03-02 21:26:50 +0000 | [diff] [blame] | 1673 | const GrDrawTarget* target, |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1674 | bool allowSW, |
| 1675 | GrPathRendererChain::DrawType drawType, |
| 1676 | GrPathRendererChain::StencilSupport* stencilSupport) { |
| 1677 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1678 | if (NULL == fPathRendererChain) { |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1679 | fPathRendererChain = SkNEW_ARGS(GrPathRendererChain, (this)); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1680 | } |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1681 | |
sugoi@google.com | 12b4e27 | 2012-12-06 20:13:11 +0000 | [diff] [blame] | 1682 | GrPathRenderer* pr = fPathRendererChain->getPathRenderer(path, |
| 1683 | stroke, |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1684 | target, |
bsalomon@google.com | 45a15f5 | 2012-12-10 19:10:17 +0000 | [diff] [blame] | 1685 | drawType, |
| 1686 | stencilSupport); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1687 | |
| 1688 | if (NULL == pr && allowSW) { |
| 1689 | if (NULL == fSoftwarePathRenderer) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1690 | fSoftwarePathRenderer = SkNEW_ARGS(GrSoftwarePathRenderer, (this)); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1691 | } |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1692 | pr = fSoftwarePathRenderer; |
| 1693 | } |
| 1694 | |
| 1695 | return pr; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1696 | } |
| 1697 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1698 | //////////////////////////////////////////////////////////////////////////////// |
| 1699 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1700 | void GrContext::setRenderTarget(GrRenderTarget* target) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1701 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1702 | fDrawState->setRenderTarget(target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1703 | } |
| 1704 | |
| 1705 | GrRenderTarget* GrContext::getRenderTarget() { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1706 | return fDrawState->getRenderTarget(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1707 | } |
| 1708 | |
| 1709 | const GrRenderTarget* GrContext::getRenderTarget() const { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1710 | return fDrawState->getRenderTarget(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1711 | } |
| 1712 | |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 1713 | bool GrContext::isConfigRenderable(GrPixelConfig config) const { |
| 1714 | return fGpu->isConfigRenderable(config); |
| 1715 | } |
| 1716 | |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1717 | const SkMatrix& GrContext::getMatrix() const { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1718 | return fDrawState->getViewMatrix(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1719 | } |
| 1720 | |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1721 | void GrContext::setMatrix(const SkMatrix& m) { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1722 | fDrawState->setViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1723 | } |
| 1724 | |
bsalomon@google.com | 0f11e1a | 2012-10-08 14:48:36 +0000 | [diff] [blame] | 1725 | void GrContext::setIdentityMatrix() { |
| 1726 | fDrawState->viewMatrix()->reset(); |
| 1727 | } |
| 1728 | |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1729 | void GrContext::concatMatrix(const SkMatrix& m) const { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1730 | fDrawState->preConcatViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1731 | } |
| 1732 | |
| 1733 | static inline intptr_t setOrClear(intptr_t bits, int shift, intptr_t pred) { |
| 1734 | intptr_t mask = 1 << shift; |
| 1735 | if (pred) { |
| 1736 | bits |= mask; |
| 1737 | } else { |
| 1738 | bits &= ~mask; |
| 1739 | } |
| 1740 | return bits; |
| 1741 | } |
| 1742 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1743 | void GrContext::setupDrawBuffer() { |
| 1744 | |
| 1745 | GrAssert(NULL == fDrawBuffer); |
| 1746 | GrAssert(NULL == fDrawBufferVBAllocPool); |
| 1747 | GrAssert(NULL == fDrawBufferIBAllocPool); |
| 1748 | |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1749 | fDrawBufferVBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1750 | SkNEW_ARGS(GrVertexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1751 | DRAW_BUFFER_VBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1752 | DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1753 | fDrawBufferIBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1754 | SkNEW_ARGS(GrIndexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1755 | DRAW_BUFFER_IBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1756 | DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1757 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1758 | fDrawBuffer = SkNEW_ARGS(GrInOrderDrawBuffer, (fGpu, |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame^] | 1759 | fDrawBufferVBAllocPool, |
| 1760 | fDrawBufferIBAllocPool)); |
bsalomon@google.com | 3c4d032 | 2012-04-03 18:04:51 +0000 | [diff] [blame] | 1761 | |
bsalomon@google.com | 6e4e650 | 2013-02-25 20:12:45 +0000 | [diff] [blame^] | 1762 | fDrawBuffer->setDrawState(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1763 | } |
| 1764 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1765 | GrDrawTarget* GrContext::getTextTarget(const GrPaint& paint) { |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 1766 | return this->prepareToDraw(&paint, BUFFERED_DRAW); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1767 | } |
| 1768 | |
| 1769 | const GrIndexBuffer* GrContext::getQuadIndexBuffer() const { |
| 1770 | return fGpu->getQuadIndexBuffer(); |
| 1771 | } |
bsalomon@google.com | dfe75bc | 2011-03-25 12:31:16 +0000 | [diff] [blame] | 1772 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1773 | namespace { |
| 1774 | void test_pm_conversions(GrContext* ctx, int* pmToUPMValue, int* upmToPMValue) { |
| 1775 | GrConfigConversionEffect::PMConversion pmToUPM; |
| 1776 | GrConfigConversionEffect::PMConversion upmToPM; |
| 1777 | GrConfigConversionEffect::TestForPreservingPMConversions(ctx, &pmToUPM, &upmToPM); |
| 1778 | *pmToUPMValue = pmToUPM; |
| 1779 | *upmToPMValue = upmToPM; |
| 1780 | } |
| 1781 | } |
| 1782 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1783 | const GrEffectRef* GrContext::createPMToUPMEffect(GrTexture* texture, |
| 1784 | bool swapRAndB, |
| 1785 | const SkMatrix& matrix) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1786 | if (!fDidTestPMConversions) { |
| 1787 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1788 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1789 | } |
| 1790 | GrConfigConversionEffect::PMConversion pmToUPM = |
| 1791 | static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion); |
| 1792 | if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1793 | return GrConfigConversionEffect::Create(texture, swapRAndB, pmToUPM, matrix); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1794 | } else { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1795 | return NULL; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1796 | } |
| 1797 | } |
| 1798 | |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1799 | const GrEffectRef* GrContext::createUPMToPMEffect(GrTexture* texture, |
| 1800 | bool swapRAndB, |
| 1801 | const SkMatrix& matrix) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1802 | if (!fDidTestPMConversions) { |
| 1803 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1804 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1805 | } |
| 1806 | GrConfigConversionEffect::PMConversion upmToPM = |
| 1807 | static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion); |
| 1808 | if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1809 | return GrConfigConversionEffect::Create(texture, swapRAndB, upmToPM, matrix); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1810 | } else { |
bsalomon@google.com | adc6536 | 2013-01-28 14:26:09 +0000 | [diff] [blame] | 1811 | return NULL; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1812 | } |
| 1813 | } |
| 1814 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1815 | GrTexture* GrContext::gaussianBlur(GrTexture* srcTexture, |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1816 | bool canClobberSrc, |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1817 | const SkRect& rect, |
| 1818 | float sigmaX, float sigmaY) { |
senorblanco@chromium.org | ceb4414 | 2012-03-05 20:53:36 +0000 | [diff] [blame] | 1819 | ASSERT_OWNED_RESOURCE(srcTexture); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 1820 | |
| 1821 | AutoRenderTarget art(this); |
| 1822 | |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1823 | AutoMatrix am; |
| 1824 | am.setIdentity(this); |
| 1825 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1826 | SkIRect clearRect; |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1827 | int scaleFactorX, radiusX; |
| 1828 | int scaleFactorY, radiusY; |
| 1829 | sigmaX = adjust_sigma(sigmaX, &scaleFactorX, &radiusX); |
| 1830 | sigmaY = adjust_sigma(sigmaY, &scaleFactorY, &radiusY); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1831 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1832 | SkRect srcRect(rect); |
| 1833 | scale_rect(&srcRect, 1.0f / scaleFactorX, 1.0f / scaleFactorY); |
| 1834 | srcRect.roundOut(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1835 | scale_rect(&srcRect, static_cast<float>(scaleFactorX), |
robertphillips@google.com | 8637a36 | 2012-04-10 18:32:35 +0000 | [diff] [blame] | 1836 | static_cast<float>(scaleFactorY)); |
robertphillips@google.com | 3e11c0b | 2012-07-11 18:20:35 +0000 | [diff] [blame] | 1837 | |
robertphillips@google.com | 56c79b1 | 2012-07-11 20:57:46 +0000 | [diff] [blame] | 1838 | AutoClip acs(this, srcRect); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1839 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1840 | GrAssert(kBGRA_8888_GrPixelConfig == srcTexture->config() || |
| 1841 | kRGBA_8888_GrPixelConfig == srcTexture->config() || |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 1842 | kAlpha_8_GrPixelConfig == srcTexture->config()); |
| 1843 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1844 | GrTextureDesc desc; |
| 1845 | desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; |
| 1846 | desc.fWidth = SkScalarFloorToInt(srcRect.width()); |
| 1847 | desc.fHeight = SkScalarFloorToInt(srcRect.height()); |
| 1848 | desc.fConfig = srcTexture->config(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1849 | |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1850 | GrAutoScratchTexture temp1, temp2; |
| 1851 | GrTexture* dstTexture = temp1.set(this, desc); |
| 1852 | GrTexture* tempTexture = canClobberSrc ? srcTexture : temp2.set(this, desc); |
robertphillips@google.com | 7d12675 | 2012-10-19 12:56:26 +0000 | [diff] [blame] | 1853 | if (NULL == dstTexture || NULL == tempTexture) { |
| 1854 | return NULL; |
| 1855 | } |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1856 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1857 | GrPaint paint; |
| 1858 | paint.reset(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1859 | |
| 1860 | for (int i = 1; i < scaleFactorX || i < scaleFactorY; i *= 2) { |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1861 | SkMatrix matrix; |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1862 | matrix.setIDiv(srcTexture->width(), srcTexture->height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1863 | this->setRenderTarget(dstTexture->asRenderTarget()); |
| 1864 | SkRect dstRect(srcRect); |
| 1865 | scale_rect(&dstRect, i < scaleFactorX ? 0.5f : 1.0f, |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1866 | i < scaleFactorY ? 0.5f : 1.0f); |
| 1867 | |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 1868 | paint.colorStage(0)->setEffect(GrSimpleTextureEffect::Create(srcTexture, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 1869 | matrix, |
| 1870 | true))->unref(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1871 | this->drawRectToRect(paint, dstRect, srcRect); |
| 1872 | srcRect = dstRect; |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1873 | srcTexture = dstTexture; |
| 1874 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1875 | } |
| 1876 | |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1877 | SkIRect srcIRect; |
| 1878 | srcRect.roundOut(&srcIRect); |
| 1879 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1880 | if (sigmaX > 0.0f) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1881 | if (scaleFactorX > 1) { |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1882 | // 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] | 1883 | // X convolution from reading garbage. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1884 | clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1885 | radiusX, srcIRect.height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1886 | this->clear(&clearRect, 0x0); |
| 1887 | } |
| 1888 | |
| 1889 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 1890 | GrDrawTarget* target = this->prepareToDraw(NULL, BUFFERED_DRAW); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1891 | convolve_gaussian(target, srcTexture, srcRect, sigmaX, radiusX, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1892 | Gr1DKernelEffect::kX_Direction); |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1893 | srcTexture = dstTexture; |
| 1894 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1895 | } |
| 1896 | |
| 1897 | if (sigmaY > 0.0f) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1898 | if (scaleFactorY > 1 || sigmaX > 0.0f) { |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1899 | // Clear out a radius below the srcRect to prevent the Y |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1900 | // convolution from reading garbage. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1901 | clearRect = SkIRect::MakeXYWH(srcIRect.fLeft, srcIRect.fBottom, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1902 | srcIRect.width(), radiusY); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1903 | this->clear(&clearRect, 0x0); |
| 1904 | } |
| 1905 | |
| 1906 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | 82b0ec6 | 2013-02-07 21:02:36 +0000 | [diff] [blame] | 1907 | GrDrawTarget* target = this->prepareToDraw(NULL, BUFFERED_DRAW); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1908 | convolve_gaussian(target, srcTexture, srcRect, sigmaY, radiusY, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1909 | Gr1DKernelEffect::kY_Direction); |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1910 | srcTexture = dstTexture; |
| 1911 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1912 | } |
| 1913 | |
| 1914 | if (scaleFactorX > 1 || scaleFactorY > 1) { |
| 1915 | // Clear one pixel to the right and below, to accommodate bilinear |
| 1916 | // upsampling. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1917 | clearRect = SkIRect::MakeXYWH(srcIRect.fLeft, srcIRect.fBottom, |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1918 | srcIRect.width() + 1, 1); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1919 | this->clear(&clearRect, 0x0); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1920 | clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1921 | 1, srcIRect.height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1922 | this->clear(&clearRect, 0x0); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame] | 1923 | SkMatrix matrix; |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1924 | // FIXME: This should be mitchell, not bilinear. |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1925 | matrix.setIDiv(srcTexture->width(), srcTexture->height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1926 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | 68b58c9 | 2013-01-17 16:50:08 +0000 | [diff] [blame] | 1927 | paint.colorStage(0)->setEffect(GrSimpleTextureEffect::Create(srcTexture, |
bsalomon@google.com | 0ac6af4 | 2013-01-16 15:16:18 +0000 | [diff] [blame] | 1928 | matrix, |
| 1929 | true))->unref(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1930 | SkRect dstRect(srcRect); |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1931 | scale_rect(&dstRect, (float) scaleFactorX, (float) scaleFactorY); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1932 | this->drawRectToRect(paint, dstRect, srcRect); |
| 1933 | srcRect = dstRect; |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1934 | srcTexture = dstTexture; |
| 1935 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1936 | } |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1937 | if (srcTexture == temp1.texture()) { |
| 1938 | return temp1.detach(); |
| 1939 | } else if (srcTexture == temp2.texture()) { |
| 1940 | return temp2.detach(); |
| 1941 | } else { |
| 1942 | srcTexture->ref(); |
| 1943 | return srcTexture; |
| 1944 | } |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1945 | } |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 1946 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1947 | /////////////////////////////////////////////////////////////////////////////// |
robertphillips@google.com | 5955202 | 2012-08-31 13:07:37 +0000 | [diff] [blame] | 1948 | #if GR_CACHE_STATS |
robertphillips@google.com | 5f9f2f5 | 2012-08-22 10:57:05 +0000 | [diff] [blame] | 1949 | void GrContext::printCacheStats() const { |
| 1950 | fTextureCache->printStats(); |
| 1951 | } |
| 1952 | #endif |