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 | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 26 | #include "SkTLazy.h" |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 27 | #include "SkTLS.h" |
tomhudson@google.com | 0c8d93a | 2011-07-01 17:08:26 +0000 | [diff] [blame] | 28 | #include "SkTrace.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 29 | |
reed@google.com | fa35e3d | 2012-06-26 20:16:17 +0000 | [diff] [blame] | 30 | SK_DEFINE_INST_COUNT(GrContext) |
| 31 | SK_DEFINE_INST_COUNT(GrDrawState) |
| 32 | |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 33 | // It can be useful to set this to kNo_BufferedDraw to test whether a bug is caused by using the |
| 34 | // InOrderDrawBuffer, to compare performance of using/not using InOrderDrawBuffer, or to make |
| 35 | // debugging easier. |
| 36 | #define DEFAULT_BUFFERING (GR_DISABLE_DRAW_BUFFERING ? kNo_BufferedDraw : kYes_BufferedDraw) |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 37 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 38 | #define MAX_BLUR_SIGMA 4.0f |
| 39 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 40 | // When we're using coverage AA but the blend is incompatible (given gpu |
| 41 | // limitations) should we disable AA or draw wrong? |
bsalomon@google.com | 950d7a8 | 2011-09-28 15:05:33 +0000 | [diff] [blame] | 42 | #define DISABLE_COVERAGE_AA_FOR_BLEND 1 |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 43 | |
reed@google.com | 4b2d3f3 | 2012-05-15 18:05:50 +0000 | [diff] [blame] | 44 | #if GR_DEBUG |
| 45 | // change this to a 1 to see notifications when partial coverage fails |
| 46 | #define GR_DEBUG_PARTIAL_COVERAGE_CHECK 0 |
| 47 | #else |
| 48 | #define GR_DEBUG_PARTIAL_COVERAGE_CHECK 0 |
| 49 | #endif |
| 50 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 51 | static const size_t MAX_TEXTURE_CACHE_COUNT = 256; |
| 52 | static const size_t MAX_TEXTURE_CACHE_BYTES = 16 * 1024 * 1024; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 53 | |
bsalomon@google.com | 6036149 | 2012-03-15 17:47:06 +0000 | [diff] [blame] | 54 | static const size_t DRAW_BUFFER_VBPOOL_BUFFER_SIZE = 1 << 15; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 55 | static const int DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS = 4; |
| 56 | |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 57 | static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = 1 << 11; |
| 58 | static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = 4; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 59 | |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 60 | #define ASSERT_OWNED_RESOURCE(R) GrAssert(!(R) || (R)->getContext() == this) |
| 61 | |
bsalomon@google.com | 05ef510 | 2011-05-02 21:14:59 +0000 | [diff] [blame] | 62 | GrContext* GrContext::Create(GrEngine engine, |
| 63 | GrPlatform3DContext context3D) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 64 | GrContext* ctx = NULL; |
| 65 | GrGpu* fGpu = GrGpu::Create(engine, context3D); |
| 66 | if (NULL != fGpu) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 67 | ctx = SkNEW_ARGS(GrContext, (fGpu)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 68 | fGpu->unref(); |
| 69 | } |
| 70 | return ctx; |
| 71 | } |
| 72 | |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 73 | namespace { |
| 74 | void* CreateThreadInstanceCount() { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 75 | return SkNEW_ARGS(int, (0)); |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 76 | } |
| 77 | void DeleteThreadInstanceCount(void* v) { |
| 78 | delete reinterpret_cast<int*>(v); |
| 79 | } |
| 80 | #define THREAD_INSTANCE_COUNT \ |
| 81 | (*reinterpret_cast<int*>(SkTLS::Get(CreateThreadInstanceCount, \ |
| 82 | DeleteThreadInstanceCount))) |
| 83 | |
| 84 | } |
| 85 | |
| 86 | int GrContext::GetThreadInstanceCount() { |
| 87 | return THREAD_INSTANCE_COUNT; |
| 88 | } |
| 89 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 90 | GrContext::~GrContext() { |
robertphillips@google.com | cdb426d | 2012-09-24 19:33:59 +0000 | [diff] [blame] | 91 | for (int i = 0; i < fCleanUpData.count(); ++i) { |
| 92 | (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo); |
| 93 | } |
| 94 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 95 | this->flush(); |
robertphillips@google.com | 5acc0e3 | 2012-05-17 12:01:02 +0000 | [diff] [blame] | 96 | |
| 97 | // Since the gpu can hold scratch textures, give it a chance to let go |
| 98 | // of them before freeing the texture cache |
| 99 | fGpu->purgeResources(); |
| 100 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 101 | delete fTextureCache; |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 102 | fTextureCache = NULL; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 103 | delete fFontCache; |
| 104 | delete fDrawBuffer; |
| 105 | delete fDrawBufferVBAllocPool; |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 106 | delete fDrawBufferIBAllocPool; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 107 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 108 | fAARectRenderer->unref(); |
| 109 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 110 | fGpu->unref(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 111 | GrSafeUnref(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 112 | GrSafeUnref(fSoftwarePathRenderer); |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 113 | fDrawState->unref(); |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 114 | |
| 115 | --THREAD_INSTANCE_COUNT; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 116 | } |
| 117 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 118 | void GrContext::contextLost() { |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 119 | contextDestroyed(); |
| 120 | this->setupDrawBuffer(); |
| 121 | } |
| 122 | |
| 123 | void GrContext::contextDestroyed() { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 124 | // abandon first to so destructors |
| 125 | // don't try to free the resources in the API. |
| 126 | fGpu->abandonResources(); |
| 127 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 128 | // a path renderer may be holding onto resources that |
| 129 | // are now unusable |
| 130 | GrSafeSetNull(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 131 | GrSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 132 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 133 | delete fDrawBuffer; |
| 134 | fDrawBuffer = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 135 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 136 | delete fDrawBufferVBAllocPool; |
| 137 | fDrawBufferVBAllocPool = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 138 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 139 | delete fDrawBufferIBAllocPool; |
| 140 | fDrawBufferIBAllocPool = NULL; |
| 141 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 142 | fAARectRenderer->reset(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 143 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 144 | fTextureCache->purgeAllUnlocked(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 145 | fFontCache->freeAll(); |
| 146 | fGpu->markContextDirty(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | void GrContext::resetContext() { |
| 150 | fGpu->markContextDirty(); |
| 151 | } |
| 152 | |
| 153 | void GrContext::freeGpuResources() { |
| 154 | this->flush(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 155 | |
robertphillips@google.com | ff17584 | 2012-05-14 19:31:39 +0000 | [diff] [blame] | 156 | fGpu->purgeResources(); |
| 157 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 158 | fAARectRenderer->reset(); |
| 159 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 160 | fTextureCache->purgeAllUnlocked(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 161 | fFontCache->freeAll(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 162 | // a path renderer may be holding onto resources |
| 163 | GrSafeSetNull(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 164 | GrSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 165 | } |
| 166 | |
twiz@google.com | 05e7024 | 2012-01-27 19:12:00 +0000 | [diff] [blame] | 167 | size_t GrContext::getGpuTextureCacheBytes() const { |
| 168 | return fTextureCache->getCachedResourceBytes(); |
| 169 | } |
| 170 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 171 | //////////////////////////////////////////////////////////////////////////////// |
| 172 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 173 | namespace { |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 174 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 175 | void scale_rect(SkRect* rect, float xScale, float yScale) { |
robertphillips@google.com | 5af5606 | 2012-04-27 15:39:52 +0000 | [diff] [blame] | 176 | rect->fLeft = SkScalarMul(rect->fLeft, SkFloatToScalar(xScale)); |
| 177 | rect->fTop = SkScalarMul(rect->fTop, SkFloatToScalar(yScale)); |
| 178 | rect->fRight = SkScalarMul(rect->fRight, SkFloatToScalar(xScale)); |
| 179 | rect->fBottom = SkScalarMul(rect->fBottom, SkFloatToScalar(yScale)); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 180 | } |
| 181 | |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 182 | float adjust_sigma(float sigma, int *scaleFactor, int *radius) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 183 | *scaleFactor = 1; |
| 184 | while (sigma > MAX_BLUR_SIGMA) { |
| 185 | *scaleFactor *= 2; |
| 186 | sigma *= 0.5f; |
| 187 | } |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 188 | *radius = static_cast<int>(ceilf(sigma * 3.0f)); |
| 189 | GrAssert(*radius <= GrConvolutionEffect::kMaxKernelRadius); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 190 | return sigma; |
| 191 | } |
| 192 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 193 | void convolve_gaussian(GrDrawTarget* target, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 194 | GrTexture* texture, |
| 195 | const SkRect& rect, |
| 196 | float sigma, |
| 197 | int radius, |
| 198 | Gr1DKernelEffect::Direction direction) { |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 199 | GrRenderTarget* rt = target->drawState()->getRenderTarget(); |
| 200 | GrDrawTarget::AutoStateRestore asr(target, GrDrawTarget::kReset_ASRInit); |
| 201 | GrDrawState* drawState = target->drawState(); |
| 202 | drawState->setRenderTarget(rt); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 203 | GrMatrix sampleM; |
| 204 | sampleM.setIDiv(texture->width(), texture->height()); |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 205 | drawState->sampler(0)->reset(sampleM); |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 206 | SkAutoTUnref<GrConvolutionEffect> conv(SkNEW_ARGS(GrConvolutionEffect, |
tomhudson@google.com | fde2c0a | 2012-07-16 12:23:32 +0000 | [diff] [blame] | 207 | (texture, direction, radius, |
| 208 | sigma))); |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 209 | drawState->sampler(0)->setCustomStage(conv); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 210 | target->drawSimpleRect(rect, NULL); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 211 | } |
| 212 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 213 | } |
| 214 | |
robertphillips@google.com | a9b0623 | 2012-08-30 11:06:31 +0000 | [diff] [blame] | 215 | |
| 216 | GrTexture* GrContext::findTexture(const GrCacheKey& key) { |
| 217 | return static_cast<GrTexture*>(fTextureCache->find(key.key())); |
| 218 | } |
| 219 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 220 | GrTexture* GrContext::findTexture(const GrTextureDesc& desc, |
| 221 | const GrCacheData& cacheData, |
| 222 | const GrTextureParams* params) { |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 223 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheData, false); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 224 | GrResource* resource = fTextureCache->find(resourceKey); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 225 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 226 | } |
| 227 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 228 | bool GrContext::isTextureInCache(const GrTextureDesc& desc, |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 229 | const GrCacheData& cacheData, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 230 | const GrTextureParams* params) const { |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 231 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheData, false); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 232 | return fTextureCache->hasKey(resourceKey); |
| 233 | } |
| 234 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 235 | void GrContext::addStencilBuffer(GrStencilBuffer* sb) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 236 | ASSERT_OWNED_RESOURCE(sb); |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 237 | |
| 238 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(sb->width(), |
| 239 | sb->height(), |
| 240 | sb->numSamples()); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 241 | fTextureCache->create(resourceKey, sb); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 242 | } |
| 243 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 244 | GrStencilBuffer* GrContext::findStencilBuffer(int width, int height, |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 245 | int sampleCnt) { |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 246 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(width, |
| 247 | height, |
| 248 | sampleCnt); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 249 | GrResource* resource = fTextureCache->find(resourceKey); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 250 | return static_cast<GrStencilBuffer*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 251 | } |
| 252 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 253 | static void stretchImage(void* dst, |
| 254 | int dstW, |
| 255 | int dstH, |
| 256 | void* src, |
| 257 | int srcW, |
| 258 | int srcH, |
| 259 | int bpp) { |
| 260 | GrFixed dx = (srcW << 16) / dstW; |
| 261 | GrFixed dy = (srcH << 16) / dstH; |
| 262 | |
| 263 | GrFixed y = dy >> 1; |
| 264 | |
| 265 | int dstXLimit = dstW*bpp; |
| 266 | for (int j = 0; j < dstH; ++j) { |
| 267 | GrFixed x = dx >> 1; |
| 268 | void* srcRow = (uint8_t*)src + (y>>16)*srcW*bpp; |
| 269 | void* dstRow = (uint8_t*)dst + j*dstW*bpp; |
| 270 | for (int i = 0; i < dstXLimit; i += bpp) { |
| 271 | memcpy((uint8_t*) dstRow + i, |
| 272 | (uint8_t*) srcRow + (x>>16)*bpp, |
| 273 | bpp); |
| 274 | x += dx; |
| 275 | } |
| 276 | y += dy; |
| 277 | } |
| 278 | } |
| 279 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 280 | // 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] | 281 | // the current hardware. Resize the texture to be a POT |
| 282 | GrTexture* GrContext::createResizedTexture(const GrTextureDesc& desc, |
| 283 | const GrCacheData& cacheData, |
| 284 | void* srcData, |
| 285 | size_t rowBytes, |
| 286 | bool needsFiltering) { |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 287 | GrTexture* clampedTexture = this->findTexture(desc, cacheData, NULL); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 288 | if (NULL == clampedTexture) { |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 289 | clampedTexture = this->createTexture(NULL, desc, cacheData, srcData, rowBytes); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 290 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 291 | GrAssert(NULL != clampedTexture); |
| 292 | if (NULL == clampedTexture) { |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 293 | return NULL; |
| 294 | } |
| 295 | } |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 296 | |
| 297 | clampedTexture->ref(); |
| 298 | |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 299 | GrTextureDesc rtDesc = desc; |
| 300 | rtDesc.fFlags = rtDesc.fFlags | |
| 301 | kRenderTarget_GrTextureFlagBit | |
| 302 | kNoStencil_GrTextureFlagBit; |
| 303 | rtDesc.fWidth = GrNextPow2(GrMax(desc.fWidth, 64)); |
| 304 | rtDesc.fHeight = GrNextPow2(GrMax(desc.fHeight, 64)); |
| 305 | |
| 306 | GrTexture* texture = fGpu->createTexture(rtDesc, NULL, 0); |
| 307 | |
| 308 | if (NULL != texture) { |
| 309 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
| 310 | GrDrawState* drawState = fGpu->drawState(); |
| 311 | drawState->setRenderTarget(texture->asRenderTarget()); |
| 312 | |
| 313 | // if filtering is not desired then we want to ensure all |
| 314 | // texels in the resampled image are copies of texels from |
| 315 | // the original. |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 316 | drawState->sampler(0)->reset(); |
| 317 | GrTextureParams params(SkShader::kClamp_TileMode, needsFiltering); |
| 318 | drawState->createTextureEffect(0, clampedTexture, params); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 319 | |
| 320 | static const GrVertexLayout layout = |
| 321 | GrDrawTarget::StageTexCoordVertexLayoutBit(0,0); |
| 322 | GrDrawTarget::AutoReleaseGeometry arg(fGpu, layout, 4, 0); |
| 323 | |
| 324 | if (arg.succeeded()) { |
| 325 | GrPoint* verts = (GrPoint*) arg.vertices(); |
| 326 | verts[0].setIRectFan(0, 0, |
| 327 | texture->width(), |
| 328 | texture->height(), |
| 329 | 2*sizeof(GrPoint)); |
| 330 | verts[1].setIRectFan(0, 0, 1, 1, 2*sizeof(GrPoint)); |
| 331 | fGpu->drawNonIndexed(kTriangleFan_GrPrimitiveType, |
| 332 | 0, 4); |
| 333 | } |
| 334 | texture->releaseRenderTarget(); |
| 335 | } else { |
| 336 | // TODO: Our CPU stretch doesn't filter. But we create separate |
| 337 | // stretched textures when the sampler state is either filtered or |
| 338 | // not. Either implement filtered stretch blit on CPU or just create |
| 339 | // one when FBO case fails. |
| 340 | |
| 341 | rtDesc.fFlags = kNone_GrTextureFlags; |
| 342 | // no longer need to clamp at min RT size. |
| 343 | rtDesc.fWidth = GrNextPow2(desc.fWidth); |
| 344 | rtDesc.fHeight = GrNextPow2(desc.fHeight); |
| 345 | int bpp = GrBytesPerPixel(desc.fConfig); |
| 346 | SkAutoSMalloc<128*128*4> stretchedPixels(bpp * |
| 347 | rtDesc.fWidth * |
| 348 | rtDesc.fHeight); |
| 349 | stretchImage(stretchedPixels.get(), rtDesc.fWidth, rtDesc.fHeight, |
| 350 | srcData, desc.fWidth, desc.fHeight, bpp); |
| 351 | |
| 352 | size_t stretchedRowBytes = rtDesc.fWidth * bpp; |
| 353 | |
| 354 | GrTexture* texture = fGpu->createTexture(rtDesc, |
| 355 | stretchedPixels.get(), |
| 356 | stretchedRowBytes); |
| 357 | GrAssert(NULL != texture); |
| 358 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 359 | |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 360 | clampedTexture->unref(); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 361 | return texture; |
| 362 | } |
| 363 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 364 | GrTexture* GrContext::createTexture( |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 365 | const GrTextureParams* params, |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 366 | const GrTextureDesc& desc, |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 367 | const GrCacheData& cacheData, |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 368 | void* srcData, |
| 369 | size_t rowBytes) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 370 | SK_TRACE_EVENT0("GrContext::createAndLockTexture"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 371 | |
| 372 | #if GR_DUMP_TEXTURE_UPLOAD |
| 373 | GrPrintf("GrContext::createAndLockTexture [%d %d]\n", desc.fWidth, desc.fHeight); |
| 374 | #endif |
| 375 | |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 376 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheData, false); |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 377 | |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 378 | SkAutoTUnref<GrTexture> texture; |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 379 | if (GrTexture::NeedsResizing(resourceKey)) { |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 380 | texture.reset(this->createResizedTexture(desc, cacheData, |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 381 | srcData, rowBytes, |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 382 | GrTexture::NeedsFiltering(resourceKey))); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 383 | } else { |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 384 | texture.reset(fGpu->createTexture(desc, srcData, rowBytes)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 385 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 386 | |
| 387 | if (NULL != texture) { |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 388 | fTextureCache->create(resourceKey, texture); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 389 | } |
| 390 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 391 | return texture; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 392 | } |
| 393 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 394 | GrTexture* GrContext::lockScratchTexture(const GrTextureDesc& inDesc, |
| 395 | ScratchTexMatch match) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 396 | GrTextureDesc desc = inDesc; |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 397 | GrCacheData cacheData(GrCacheData::kScratch_CacheID); |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 398 | |
rileya@google.com | 2afb8ec | 2012-08-23 14:08:57 +0000 | [diff] [blame] | 399 | GrAssert((desc.fFlags & kRenderTarget_GrTextureFlagBit) || |
| 400 | !(desc.fFlags & kNoStencil_GrTextureFlagBit)); |
| 401 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 402 | if (kExact_ScratchTexMatch != match) { |
| 403 | // bin by pow2 with a reasonable min |
| 404 | static const int MIN_SIZE = 256; |
| 405 | desc.fWidth = GrMax(MIN_SIZE, GrNextPow2(desc.fWidth)); |
| 406 | desc.fHeight = GrMax(MIN_SIZE, GrNextPow2(desc.fHeight)); |
| 407 | } |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 408 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 409 | GrResource* resource = NULL; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 410 | int origWidth = desc.fWidth; |
| 411 | int origHeight = desc.fHeight; |
| 412 | bool doubledW = false; |
| 413 | bool doubledH = false; |
| 414 | |
| 415 | do { |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 416 | GrResourceKey key = GrTexture::ComputeKey(fGpu, NULL, desc, cacheData, true); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 417 | resource = fTextureCache->find(key); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 418 | // if we miss, relax the fit of the flags... |
| 419 | // then try doubling width... then height. |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 420 | if (NULL != resource || kExact_ScratchTexMatch == match) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 421 | break; |
| 422 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 423 | // 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] | 424 | // situations where no RT is needed; doing otherwise can confuse the video driver and |
| 425 | // cause significant performance problems in some cases. |
| 426 | if (desc.fFlags & kNoStencil_GrTextureFlagBit) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 427 | desc.fFlags = desc.fFlags & ~kNoStencil_GrTextureFlagBit; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 428 | } else if (!doubledW) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 429 | desc.fFlags = inDesc.fFlags; |
| 430 | desc.fWidth *= 2; |
| 431 | doubledW = true; |
| 432 | } else if (!doubledH) { |
| 433 | desc.fFlags = inDesc.fFlags; |
| 434 | desc.fWidth = origWidth; |
| 435 | desc.fHeight *= 2; |
| 436 | doubledH = true; |
| 437 | } else { |
| 438 | break; |
| 439 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 440 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 441 | } while (true); |
| 442 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 443 | if (NULL == resource) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 444 | desc.fFlags = inDesc.fFlags; |
| 445 | desc.fWidth = origWidth; |
| 446 | desc.fHeight = origHeight; |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 447 | SkAutoTUnref<GrTexture> texture(fGpu->createTexture(desc, NULL, 0)); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 448 | if (NULL != texture) { |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 449 | GrResourceKey key = GrTexture::ComputeKey(fGpu, NULL, |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 450 | texture->desc(), |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 451 | cacheData, |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 452 | true); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 453 | fTextureCache->create(key, texture); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 454 | resource = texture; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 455 | } |
| 456 | } |
| 457 | |
| 458 | // If the caller gives us the same desc/sampler twice we don't want |
| 459 | // to return the same texture the second time (unless it was previously |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 460 | // released). So make it exclusive to hide it from future searches. |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 461 | if (NULL != resource) { |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 462 | fTextureCache->makeExclusive(resource->getCacheEntry()); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 463 | } |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 464 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 465 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 466 | } |
| 467 | |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 468 | void GrContext::addExistingTextureToCache(GrTexture* texture) { |
| 469 | |
| 470 | if (NULL == texture) { |
| 471 | return; |
| 472 | } |
| 473 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 474 | // This texture should already have a cache entry since it was once |
| 475 | // attached |
| 476 | GrAssert(NULL != texture->getCacheEntry()); |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 477 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 478 | // Conceptually, the cache entry is going to assume responsibility |
| 479 | // for the creation ref. |
| 480 | GrAssert(1 == texture->getRefCnt()); |
| 481 | |
| 482 | // Since this texture came from an AutoScratchTexture it should |
| 483 | // still be in the exclusive pile |
| 484 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
| 485 | |
robertphillips@google.com | 50a035d | 2012-09-07 19:44:33 +0000 | [diff] [blame] | 486 | this->purgeCache(); |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 487 | } |
| 488 | |
robertphillips@google.com | a9b0623 | 2012-08-30 11:06:31 +0000 | [diff] [blame] | 489 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 490 | void GrContext::unlockScratchTexture(GrTexture* texture) { |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 491 | ASSERT_OWNED_RESOURCE(texture); |
| 492 | GrAssert(NULL != texture->getCacheEntry()); |
| 493 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 494 | // If this is a scratch texture we detached it from the cache |
| 495 | // while it was locked (to avoid two callers simultaneously getting |
| 496 | // the same texture). |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 497 | if (GrTexture::IsScratchTexture(texture->getCacheEntry()->key())) { |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 498 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 499 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 500 | |
robertphillips@google.com | 50a035d | 2012-09-07 19:44:33 +0000 | [diff] [blame] | 501 | this->purgeCache(); |
| 502 | } |
| 503 | |
| 504 | void GrContext::purgeCache() { |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 505 | if (NULL != fTextureCache) { |
| 506 | fTextureCache->purgeAsNeeded(); |
| 507 | } |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 508 | } |
| 509 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 510 | GrTexture* GrContext::createUncachedTexture(const GrTextureDesc& descIn, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 511 | void* srcData, |
| 512 | size_t rowBytes) { |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 513 | GrTextureDesc descCopy = descIn; |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 514 | return fGpu->createTexture(descCopy, srcData, rowBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 515 | } |
| 516 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 517 | void GrContext::getTextureCacheLimits(int* maxTextures, |
| 518 | size_t* maxTextureBytes) const { |
| 519 | fTextureCache->getLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 520 | } |
| 521 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 522 | void GrContext::setTextureCacheLimits(int maxTextures, size_t maxTextureBytes) { |
| 523 | fTextureCache->setLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 524 | } |
| 525 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 526 | int GrContext::getMaxTextureSize() const { |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 527 | return fGpu->getCaps().maxTextureSize(); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 528 | } |
| 529 | |
| 530 | int GrContext::getMaxRenderTargetSize() const { |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 531 | return fGpu->getCaps().maxRenderTargetSize(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | /////////////////////////////////////////////////////////////////////////////// |
| 535 | |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 536 | GrTexture* GrContext::createPlatformTexture(const GrPlatformTextureDesc& desc) { |
| 537 | return fGpu->createPlatformTexture(desc); |
| 538 | } |
| 539 | |
| 540 | GrRenderTarget* GrContext::createPlatformRenderTarget(const GrPlatformRenderTargetDesc& desc) { |
| 541 | return fGpu->createPlatformRenderTarget(desc); |
| 542 | } |
| 543 | |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 544 | /////////////////////////////////////////////////////////////////////////////// |
| 545 | |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 546 | bool GrContext::supportsIndex8PixelConfig(const GrTextureParams* params, |
bsalomon@google.com | 1f221a7 | 2011-08-23 20:54:07 +0000 | [diff] [blame] | 547 | int width, int height) const { |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 548 | const GrDrawTarget::Caps& caps = fGpu->getCaps(); |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 549 | if (!caps.eightBitPaletteSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 550 | return false; |
| 551 | } |
| 552 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 553 | bool isPow2 = GrIsPow2(width) && GrIsPow2(height); |
| 554 | |
| 555 | if (!isPow2) { |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 556 | bool tiled = NULL != params && params->isTiled(); |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 557 | if (tiled && !caps.npotTextureTileSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 558 | return false; |
| 559 | } |
| 560 | } |
| 561 | return true; |
| 562 | } |
| 563 | |
| 564 | //////////////////////////////////////////////////////////////////////////////// |
| 565 | |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 566 | const GrClipData* GrContext::getClip() const { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 567 | return fGpu->getClip(); |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 568 | } |
bsalomon@google.com | 05ef510 | 2011-05-02 21:14:59 +0000 | [diff] [blame] | 569 | |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 570 | void GrContext::setClip(const GrClipData* clipData) { |
| 571 | fGpu->setClip(clipData); |
robertphillips@google.com | 837ec43 | 2012-10-04 17:57:05 +0000 | [diff] [blame] | 572 | |
bsalomon@google.com | d5d69ff | 2012-10-04 19:42:00 +0000 | [diff] [blame] | 573 | fDrawState->setState(GrDrawState::kClip_StateBit, !clipData->fClipStack->isWideOpen()); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 574 | } |
| 575 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 576 | //////////////////////////////////////////////////////////////////////////////// |
| 577 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 578 | void GrContext::clear(const GrIRect* rect, |
| 579 | const GrColor color, |
robertphillips@google.com | c82a8b7 | 2012-06-21 20:15:48 +0000 | [diff] [blame] | 580 | GrRenderTarget* target) { |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 581 | this->prepareToDraw(NULL, DEFAULT_BUFFERING)->clear(rect, color, target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | void GrContext::drawPaint(const GrPaint& paint) { |
| 585 | // set rect to be big enough to fill the space, but not super-huge, so we |
| 586 | // don't overflow fixed-point implementations |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 587 | GrRect r; |
| 588 | r.setLTRB(0, 0, |
| 589 | GrIntToScalar(getRenderTarget()->width()), |
| 590 | GrIntToScalar(getRenderTarget()->height())); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 591 | GrMatrix inverse; |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 592 | SkTLazy<GrPaint> tmpPaint; |
| 593 | const GrPaint* p = &paint; |
robertphillips@google.com | fea85ac | 2012-07-11 18:53:23 +0000 | [diff] [blame] | 594 | AutoMatrix am; |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 595 | |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 596 | // We attempt to map r by the inverse matrix and draw that. mapRect will |
| 597 | // map the four corners and bound them with a new rect. This will not |
| 598 | // produce a correct result for some perspective matrices. |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 599 | if (!this->getMatrix().hasPerspective()) { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 600 | if (!fDrawState->getViewInverse(&inverse)) { |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 601 | GrPrintf("Could not invert matrix\n"); |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 602 | return; |
| 603 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 604 | inverse.mapRect(&r); |
| 605 | } else { |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 606 | if (paint.hasStage()) { |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 607 | tmpPaint.set(paint); |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 608 | p = tmpPaint.get(); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 609 | if (!tmpPaint.get()->preConcatSamplerMatricesWithInverse(fDrawState->getViewMatrix())) { |
| 610 | GrPrintf("Could not invert matrix\n"); |
| 611 | } |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 612 | } |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 613 | am.set(this, GrMatrix::I()); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 614 | } |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 615 | // by definition this fills the entire clip, no need for AA |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 616 | if (paint.isAntiAlias()) { |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 617 | if (!tmpPaint.isValid()) { |
| 618 | tmpPaint.set(paint); |
| 619 | p = tmpPaint.get(); |
| 620 | } |
| 621 | GrAssert(p == tmpPaint.get()); |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 622 | tmpPaint.get()->setAntiAlias(false); |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 623 | } |
| 624 | this->drawRect(*p, r); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 625 | } |
| 626 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 627 | //////////////////////////////////////////////////////////////////////////////// |
| 628 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 629 | namespace { |
| 630 | inline bool disable_coverage_aa_for_blend(GrDrawTarget* target) { |
| 631 | return DISABLE_COVERAGE_AA_FOR_BLEND && !target->canApplyCoverage(); |
| 632 | } |
| 633 | } |
| 634 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 635 | //////////////////////////////////////////////////////////////////////////////// |
| 636 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 637 | /* create a triangle strip that strokes the specified triangle. There are 8 |
| 638 | unique vertices, but we repreat the last 2 to close up. Alternatively we |
| 639 | could use an indices array, and then only send 8 verts, but not sure that |
| 640 | would be faster. |
| 641 | */ |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 642 | static void setStrokeRectStrip(GrPoint verts[10], GrRect rect, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 643 | GrScalar width) { |
| 644 | const GrScalar rad = GrScalarHalf(width); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 645 | rect.sort(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 646 | |
| 647 | verts[0].set(rect.fLeft + rad, rect.fTop + rad); |
| 648 | verts[1].set(rect.fLeft - rad, rect.fTop - rad); |
| 649 | verts[2].set(rect.fRight - rad, rect.fTop + rad); |
| 650 | verts[3].set(rect.fRight + rad, rect.fTop - rad); |
| 651 | verts[4].set(rect.fRight - rad, rect.fBottom - rad); |
| 652 | verts[5].set(rect.fRight + rad, rect.fBottom + rad); |
| 653 | verts[6].set(rect.fLeft + rad, rect.fBottom - rad); |
| 654 | verts[7].set(rect.fLeft - rad, rect.fBottom + rad); |
| 655 | verts[8] = verts[0]; |
| 656 | verts[9] = verts[1]; |
| 657 | } |
| 658 | |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 659 | /** |
| 660 | * Returns true if the rects edges are integer-aligned. |
| 661 | */ |
| 662 | static bool isIRect(const GrRect& r) { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 663 | return GrScalarIsInt(r.fLeft) && GrScalarIsInt(r.fTop) && |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 664 | GrScalarIsInt(r.fRight) && GrScalarIsInt(r.fBottom); |
| 665 | } |
| 666 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 667 | static bool apply_aa_to_rect(GrDrawTarget* target, |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 668 | const GrRect& rect, |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 669 | GrScalar width, |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 670 | const GrMatrix* matrix, |
| 671 | GrMatrix* combinedMatrix, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 672 | GrRect* devRect, |
| 673 | bool* useVertexCoverage) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 674 | // 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] | 675 | // 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] | 676 | // integer coords. |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 677 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 678 | // we are keeping around the "tweak the alpha" trick because |
| 679 | // it is our only hope for the fixed-pipe implementation. |
| 680 | // In a shader implementation we can give a separate coverage input |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 681 | // TODO: remove this ugliness when we drop the fixed-pipe impl |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 682 | *useVertexCoverage = false; |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 683 | if (!target->canTweakAlphaForCoverage()) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 684 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 685 | #if GR_DEBUG |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 686 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 687 | #endif |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 688 | return false; |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 689 | } else { |
| 690 | *useVertexCoverage = true; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 691 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 692 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 693 | const GrDrawState& drawState = target->getDrawState(); |
| 694 | if (drawState.getRenderTarget()->isMultisampled()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 695 | return false; |
| 696 | } |
| 697 | |
bsalomon@google.com | 471d471 | 2011-08-23 15:45:25 +0000 | [diff] [blame] | 698 | if (0 == width && target->willUseHWAALines()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 699 | return false; |
| 700 | } |
| 701 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 702 | if (!drawState.getViewMatrix().preservesAxisAlignment()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 703 | return false; |
| 704 | } |
| 705 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 706 | if (NULL != matrix && |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 707 | !matrix->preservesAxisAlignment()) { |
| 708 | return false; |
| 709 | } |
| 710 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 711 | *combinedMatrix = drawState.getViewMatrix(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 712 | if (NULL != matrix) { |
| 713 | combinedMatrix->preConcat(*matrix); |
| 714 | GrAssert(combinedMatrix->preservesAxisAlignment()); |
| 715 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 716 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 717 | combinedMatrix->mapRect(devRect, rect); |
| 718 | devRect->sort(); |
| 719 | |
| 720 | if (width < 0) { |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 721 | return !isIRect(*devRect); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 722 | } else { |
| 723 | return true; |
| 724 | } |
| 725 | } |
| 726 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 727 | void GrContext::drawRect(const GrPaint& paint, |
| 728 | const GrRect& rect, |
| 729 | GrScalar width, |
| 730 | const GrMatrix* matrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 731 | SK_TRACE_EVENT0("GrContext::drawRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 732 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 733 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 734 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 735 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 736 | GrRect devRect = rect; |
| 737 | GrMatrix combinedMatrix; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 738 | bool useVertexCoverage; |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 739 | bool needAA = paint.isAntiAlias() && |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 740 | !this->getRenderTarget()->isMultisampled(); |
| 741 | bool doAA = needAA && apply_aa_to_rect(target, rect, width, matrix, |
| 742 | &combinedMatrix, &devRect, |
| 743 | &useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 744 | |
| 745 | if (doAA) { |
bsalomon@google.com | 5b3e890 | 2012-10-05 20:13:28 +0000 | [diff] [blame^] | 746 | GrDrawState::AutoDeviceCoordDraw adcd(target->drawState()); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 747 | if (!adcd.succeeded()) { |
| 748 | return; |
| 749 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 750 | if (width >= 0) { |
| 751 | GrVec strokeSize;; |
| 752 | if (width > 0) { |
| 753 | strokeSize.set(width, width); |
bsalomon@google.com | cc4dac3 | 2011-05-10 13:52:42 +0000 | [diff] [blame] | 754 | combinedMatrix.mapVectors(&strokeSize, 1); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 755 | strokeSize.setAbs(strokeSize); |
| 756 | } else { |
| 757 | strokeSize.set(GR_Scalar1, GR_Scalar1); |
| 758 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 759 | fAARectRenderer->strokeAARect(this->getGpu(), target, devRect, |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 760 | strokeSize, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 761 | } else { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 762 | fAARectRenderer->fillAARect(this->getGpu(), target, |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 763 | devRect, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 764 | } |
| 765 | return; |
| 766 | } |
| 767 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 768 | if (width >= 0) { |
| 769 | // TODO: consider making static vertex buffers for these cases. |
| 770 | // Hairline could be done by just adding closing vertex to |
| 771 | // unitSquareVertexBuffer() |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 772 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 773 | static const int worstCaseVertCount = 10; |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 774 | GrDrawTarget::AutoReleaseGeometry geo(target, 0, worstCaseVertCount, 0); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 775 | |
| 776 | if (!geo.succeeded()) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 777 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 778 | return; |
| 779 | } |
| 780 | |
| 781 | GrPrimitiveType primType; |
| 782 | int vertCount; |
| 783 | GrPoint* vertex = geo.positions(); |
| 784 | |
| 785 | if (width > 0) { |
| 786 | vertCount = 10; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 787 | primType = kTriangleStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 788 | setStrokeRectStrip(vertex, rect, width); |
| 789 | } else { |
| 790 | // hairline |
| 791 | vertCount = 5; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 792 | primType = kLineStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 793 | vertex[0].set(rect.fLeft, rect.fTop); |
| 794 | vertex[1].set(rect.fRight, rect.fTop); |
| 795 | vertex[2].set(rect.fRight, rect.fBottom); |
| 796 | vertex[3].set(rect.fLeft, rect.fBottom); |
| 797 | vertex[4].set(rect.fLeft, rect.fTop); |
| 798 | } |
| 799 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 800 | GrDrawState::AutoViewMatrixRestore avmr; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 801 | if (NULL != matrix) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 802 | GrDrawState* drawState = target->drawState(); |
| 803 | avmr.set(drawState); |
| 804 | drawState->preConcatViewMatrix(*matrix); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 805 | drawState->preConcatSamplerMatrices(*matrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 806 | } |
| 807 | |
| 808 | target->drawNonIndexed(primType, 0, vertCount); |
| 809 | } else { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 810 | #if GR_STATIC_RECT_VB |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 811 | const GrVertexBuffer* sqVB = fGpu->getUnitSquareVertexBuffer(); |
| 812 | if (NULL == sqVB) { |
| 813 | GrPrintf("Failed to create static rect vb.\n"); |
| 814 | return; |
| 815 | } |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 816 | target->setVertexSourceToBuffer(0, sqVB); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 817 | GrDrawState* drawState = target->drawState(); |
| 818 | GrDrawState::AutoViewMatrixRestore avmr(drawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 819 | GrMatrix m; |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 820 | m.setAll(rect.width(), 0, rect.fLeft, |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 821 | 0, rect.height(), rect.fTop, |
| 822 | 0, 0, GrMatrix::I()[8]); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 823 | |
| 824 | if (NULL != matrix) { |
| 825 | m.postConcat(*matrix); |
| 826 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 827 | drawState->preConcatViewMatrix(m); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 828 | drawState->preConcatSamplerMatrices(m); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 829 | |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 830 | target->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 831 | #else |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 832 | target->drawSimpleRect(rect, matrix); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 833 | #endif |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 834 | } |
| 835 | } |
| 836 | |
| 837 | void GrContext::drawRectToRect(const GrPaint& paint, |
| 838 | const GrRect& dstRect, |
| 839 | const GrRect& srcRect, |
| 840 | const GrMatrix* dstMatrix, |
| 841 | const GrMatrix* srcMatrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 842 | SK_TRACE_EVENT0("GrContext::drawRectToRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 843 | |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 844 | // srcRect refers to paint's first color stage |
| 845 | if (!paint.isColorStageEnabled(0)) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 846 | drawRect(paint, dstRect, -1, dstMatrix); |
| 847 | return; |
| 848 | } |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 849 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 850 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 851 | |
| 852 | #if GR_STATIC_RECT_VB |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 853 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 854 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 855 | GrDrawState::AutoViewMatrixRestore avmr(drawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 856 | |
| 857 | GrMatrix m; |
| 858 | |
| 859 | m.setAll(dstRect.width(), 0, dstRect.fLeft, |
| 860 | 0, dstRect.height(), dstRect.fTop, |
| 861 | 0, 0, GrMatrix::I()[8]); |
| 862 | if (NULL != dstMatrix) { |
| 863 | m.postConcat(*dstMatrix); |
| 864 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 865 | drawState->preConcatViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 866 | |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 867 | // we explicitly setup the correct coords for the first stage. The others |
| 868 | // must know about the view matrix change. |
| 869 | for (int s = 1; s < GrPaint::kTotalStages; ++s) { |
| 870 | if (drawState->isStageEnabled(s)) { |
| 871 | drawState->sampler(s)->preConcatMatrix(m); |
| 872 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 873 | } |
| 874 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 875 | m.setAll(srcRect.width(), 0, srcRect.fLeft, |
| 876 | 0, srcRect.height(), srcRect.fTop, |
| 877 | 0, 0, GrMatrix::I()[8]); |
| 878 | if (NULL != srcMatrix) { |
| 879 | m.postConcat(*srcMatrix); |
| 880 | } |
bsalomon@google.com | 903a4e2 | 2012-10-05 18:08:27 +0000 | [diff] [blame] | 881 | drawState->sampler(GrPaint::kFirstColorStage)->preConcatMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 882 | |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 883 | const GrVertexBuffer* sqVB = fGpu->getUnitSquareVertexBuffer(); |
| 884 | if (NULL == sqVB) { |
| 885 | GrPrintf("Failed to create static rect vb.\n"); |
| 886 | return; |
| 887 | } |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 888 | target->setVertexSourceToBuffer(0, sqVB); |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 889 | target->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 890 | #else |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 891 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 892 | |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 893 | const GrRect* srcRects[GrDrawState::kNumStages] = {NULL}; |
| 894 | const GrMatrix* srcMatrices[GrDrawState::kNumStages] = {NULL}; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 895 | srcRects[0] = &srcRect; |
| 896 | srcMatrices[0] = srcMatrix; |
| 897 | |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 898 | target->drawRect(dstRect, dstMatrix, srcRects, srcMatrices); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 899 | #endif |
| 900 | } |
| 901 | |
| 902 | void GrContext::drawVertices(const GrPaint& paint, |
| 903 | GrPrimitiveType primitiveType, |
| 904 | int vertexCount, |
| 905 | const GrPoint positions[], |
| 906 | const GrPoint texCoords[], |
| 907 | const GrColor colors[], |
| 908 | const uint16_t indices[], |
| 909 | int indexCount) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 910 | SK_TRACE_EVENT0("GrContext::drawVertices"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 911 | |
| 912 | GrDrawTarget::AutoReleaseGeometry geo; |
| 913 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 914 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 915 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 916 | |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 917 | GrVertexLayout layout = 0; |
| 918 | if (NULL != texCoords) { |
| 919 | layout |= GrDrawTarget::StageTexCoordVertexLayoutBit(0, 0); |
| 920 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 921 | if (NULL != colors) { |
| 922 | layout |= GrDrawTarget::kColor_VertexLayoutBit; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 923 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 924 | int vertexSize = GrDrawTarget::VertexSize(layout); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 925 | |
| 926 | if (sizeof(GrPoint) != vertexSize) { |
| 927 | if (!geo.set(target, layout, vertexCount, 0)) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 928 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 929 | return; |
| 930 | } |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 931 | int texOffsets[GrDrawState::kMaxTexCoords]; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 932 | int colorOffset; |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 933 | GrDrawTarget::VertexSizeAndOffsetsByIdx(layout, |
| 934 | texOffsets, |
bsalomon@google.com | aeb2160 | 2011-08-30 18:13:44 +0000 | [diff] [blame] | 935 | &colorOffset, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 936 | NULL, |
| 937 | NULL); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 938 | void* curVertex = geo.vertices(); |
| 939 | |
| 940 | for (int i = 0; i < vertexCount; ++i) { |
| 941 | *((GrPoint*)curVertex) = positions[i]; |
| 942 | |
| 943 | if (texOffsets[0] > 0) { |
| 944 | *(GrPoint*)((intptr_t)curVertex + texOffsets[0]) = texCoords[i]; |
| 945 | } |
| 946 | if (colorOffset > 0) { |
| 947 | *(GrColor*)((intptr_t)curVertex + colorOffset) = colors[i]; |
| 948 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 949 | curVertex = (void*)((intptr_t)curVertex + vertexSize); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 950 | } |
| 951 | } else { |
| 952 | target->setVertexSourceToArray(layout, positions, vertexCount); |
| 953 | } |
| 954 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 955 | // 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] | 956 | // management of GrDrawTarget's geometry to avoid copying points per-tile. |
bsalomon@google.com | a47a48d | 2011-04-26 20:22:11 +0000 | [diff] [blame] | 957 | |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 958 | if (NULL != indices) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 959 | target->setIndexSourceToArray(indices, indexCount); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 960 | target->drawIndexed(primitiveType, 0, 0, vertexCount, indexCount); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 961 | } else { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 962 | target->drawNonIndexed(primitiveType, 0, vertexCount); |
| 963 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 964 | } |
| 965 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 966 | /////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 967 | namespace { |
| 968 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 969 | struct CircleVertex { |
| 970 | GrPoint fPos; |
| 971 | GrPoint fCenter; |
| 972 | GrScalar fOuterRadius; |
| 973 | GrScalar fInnerRadius; |
| 974 | }; |
| 975 | |
| 976 | /* Returns true if will map a circle to another circle. This can be true |
| 977 | * if the matrix only includes square-scale, rotation, translation. |
| 978 | */ |
| 979 | inline bool isSimilarityTransformation(const SkMatrix& matrix, |
| 980 | SkScalar tol = SK_ScalarNearlyZero) { |
| 981 | if (matrix.isIdentity() || matrix.getType() == SkMatrix::kTranslate_Mask) { |
| 982 | return true; |
| 983 | } |
| 984 | if (matrix.hasPerspective()) { |
| 985 | return false; |
| 986 | } |
| 987 | |
| 988 | SkScalar mx = matrix.get(SkMatrix::kMScaleX); |
| 989 | SkScalar sx = matrix.get(SkMatrix::kMSkewX); |
| 990 | SkScalar my = matrix.get(SkMatrix::kMScaleY); |
| 991 | SkScalar sy = matrix.get(SkMatrix::kMSkewY); |
| 992 | |
| 993 | if (mx == 0 && sx == 0 && my == 0 && sy == 0) { |
| 994 | return false; |
| 995 | } |
| 996 | |
| 997 | // it has scales or skews, but it could also be rotation, check it out. |
| 998 | SkVector vec[2]; |
| 999 | vec[0].set(mx, sx); |
| 1000 | vec[1].set(sy, my); |
| 1001 | |
| 1002 | return SkScalarNearlyZero(vec[0].dot(vec[1]), SkScalarSquare(tol)) && |
| 1003 | SkScalarNearlyEqual(vec[0].lengthSqd(), vec[1].lengthSqd(), |
| 1004 | SkScalarSquare(tol)); |
| 1005 | } |
| 1006 | |
| 1007 | } |
| 1008 | |
| 1009 | // TODO: strokeWidth can't be larger than zero right now. |
| 1010 | // It will be fixed when drawPath() can handle strokes. |
| 1011 | void GrContext::drawOval(const GrPaint& paint, |
| 1012 | const GrRect& rect, |
| 1013 | SkScalar strokeWidth) { |
bsalomon@google.com | 0982d35 | 2012-07-31 15:33:25 +0000 | [diff] [blame] | 1014 | GrAssert(strokeWidth <= 0); |
| 1015 | if (!isSimilarityTransformation(this->getMatrix()) || |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 1016 | !paint.isAntiAlias() || |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1017 | rect.height() != rect.width()) { |
| 1018 | SkPath path; |
| 1019 | path.addOval(rect); |
| 1020 | GrPathFill fill = (strokeWidth == 0) ? |
bsalomon@google.com | 0982d35 | 2012-07-31 15:33:25 +0000 | [diff] [blame] | 1021 | kHairLine_GrPathFill : kWinding_GrPathFill; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1022 | this->internalDrawPath(paint, path, fill, NULL); |
| 1023 | return; |
| 1024 | } |
| 1025 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1026 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
| 1027 | |
bsalomon@google.com | 0982d35 | 2012-07-31 15:33:25 +0000 | [diff] [blame] | 1028 | GrDrawState* drawState = target->drawState(); |
| 1029 | GrDrawState::AutoStageDisable atr(fDrawState); |
| 1030 | const GrMatrix vm = drawState->getViewMatrix(); |
| 1031 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1032 | const GrRenderTarget* rt = drawState->getRenderTarget(); |
| 1033 | if (NULL == rt) { |
| 1034 | return; |
| 1035 | } |
| 1036 | |
bsalomon@google.com | 5b3e890 | 2012-10-05 20:13:28 +0000 | [diff] [blame^] | 1037 | GrDrawState::AutoDeviceCoordDraw adcd(drawState); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 1038 | if (!adcd.succeeded()) { |
| 1039 | return; |
| 1040 | } |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1041 | |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 1042 | GrVertexLayout layout = GrDrawTarget::kEdge_VertexLayoutBit; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1043 | GrAssert(sizeof(CircleVertex) == GrDrawTarget::VertexSize(layout)); |
| 1044 | |
| 1045 | GrPoint center = GrPoint::Make(rect.centerX(), rect.centerY()); |
| 1046 | GrScalar radius = SkScalarHalf(rect.width()); |
| 1047 | |
| 1048 | vm.mapPoints(¢er, 1); |
| 1049 | radius = vm.mapRadius(radius); |
| 1050 | |
| 1051 | GrScalar outerRadius = radius; |
| 1052 | GrScalar innerRadius = 0; |
| 1053 | SkScalar halfWidth = 0; |
| 1054 | if (strokeWidth == 0) { |
| 1055 | halfWidth = SkScalarHalf(SK_Scalar1); |
| 1056 | |
| 1057 | outerRadius += halfWidth; |
| 1058 | innerRadius = SkMaxScalar(0, radius - halfWidth); |
| 1059 | } |
| 1060 | |
| 1061 | GrDrawTarget::AutoReleaseGeometry geo(target, layout, 4, 0); |
| 1062 | if (!geo.succeeded()) { |
| 1063 | GrPrintf("Failed to get space for vertices!\n"); |
| 1064 | return; |
| 1065 | } |
| 1066 | |
| 1067 | CircleVertex* verts = reinterpret_cast<CircleVertex*>(geo.vertices()); |
| 1068 | |
robertphillips@google.com | a0a66c1 | 2012-06-22 13:14:29 +0000 | [diff] [blame] | 1069 | // The fragment shader will extend the radius out half a pixel |
| 1070 | // to antialias. Expand the drawn rect here so all the pixels |
| 1071 | // will be captured. |
| 1072 | SkScalar L = center.fX - outerRadius - SkFloatToScalar(0.5f); |
| 1073 | SkScalar R = center.fX + outerRadius + SkFloatToScalar(0.5f); |
| 1074 | SkScalar T = center.fY - outerRadius - SkFloatToScalar(0.5f); |
| 1075 | SkScalar B = center.fY + outerRadius + SkFloatToScalar(0.5f); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1076 | |
| 1077 | verts[0].fPos = SkPoint::Make(L, T); |
| 1078 | verts[1].fPos = SkPoint::Make(R, T); |
| 1079 | verts[2].fPos = SkPoint::Make(L, B); |
| 1080 | verts[3].fPos = SkPoint::Make(R, B); |
| 1081 | |
| 1082 | for (int i = 0; i < 4; ++i) { |
| 1083 | // this goes to fragment shader, it should be in y-points-up space. |
| 1084 | verts[i].fCenter = SkPoint::Make(center.fX, rt->height() - center.fY); |
| 1085 | |
| 1086 | verts[i].fOuterRadius = outerRadius; |
| 1087 | verts[i].fInnerRadius = innerRadius; |
| 1088 | } |
| 1089 | |
| 1090 | drawState->setVertexEdgeType(GrDrawState::kCircle_EdgeType); |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1091 | target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4); |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1092 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1093 | |
bsalomon@google.com | 8d033a1 | 2012-04-27 15:52:53 +0000 | [diff] [blame] | 1094 | void GrContext::drawPath(const GrPaint& paint, const SkPath& path, |
reed@google.com | 07f3ee1 | 2011-05-16 17:21:57 +0000 | [diff] [blame] | 1095 | GrPathFill fill, const GrPoint* translate) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1096 | |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1097 | if (path.isEmpty()) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1098 | if (GrIsFillInverted(fill)) { |
| 1099 | this->drawPaint(paint); |
| 1100 | } |
| 1101 | return; |
| 1102 | } |
| 1103 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1104 | SkRect ovalRect; |
| 1105 | if (!GrIsFillInverted(fill) && path.isOval(&ovalRect)) { |
| 1106 | if (translate) { |
| 1107 | ovalRect.offset(*translate); |
| 1108 | } |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1109 | SkScalar width = (fill == kHairLine_GrPathFill) ? 0 : -SK_Scalar1; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1110 | this->drawOval(paint, ovalRect, width); |
| 1111 | return; |
| 1112 | } |
| 1113 | |
| 1114 | internalDrawPath(paint, path, fill, translate); |
| 1115 | } |
| 1116 | |
bsalomon@google.com | 8d033a1 | 2012-04-27 15:52:53 +0000 | [diff] [blame] | 1117 | void GrContext::internalDrawPath(const GrPaint& paint, const SkPath& path, |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1118 | GrPathFill fill, const GrPoint* translate) { |
| 1119 | |
bsalomon@google.com | fb4ce6f | 2012-03-14 13:27:54 +0000 | [diff] [blame] | 1120 | // Note that below we may sw-rasterize the path into a scratch texture. |
| 1121 | // Scratch textures can be recycled after they are returned to the texture |
| 1122 | // cache. This presents a potential hazard for buffered drawing. However, |
| 1123 | // the writePixels that uploads to the scratch will perform a flush so we're |
| 1124 | // OK. |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1125 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 1126 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1127 | |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 1128 | bool prAA = paint.isAntiAlias() && !this->getRenderTarget()->isMultisampled(); |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1129 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1130 | // An Assumption here is that path renderer would use some form of tweaking |
| 1131 | // the src color (either the input alpha or in the frag shader) to implement |
| 1132 | // aa. If we have some future driver-mojo path AA that can do the right |
| 1133 | // thing WRT to the blend then we'll need some query on the PR. |
| 1134 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1135 | #if GR_DEBUG |
bsalomon@google.com | 979432b | 2011-11-05 21:38:22 +0000 | [diff] [blame] | 1136 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1137 | #endif |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1138 | prAA = false; |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1139 | } |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1140 | |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1141 | GrPathRenderer* pr = this->getPathRenderer(path, fill, target, prAA, true); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1142 | if (NULL == pr) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1143 | #if GR_DEBUG |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1144 | GrPrintf("Unable to find path renderer compatible with path.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1145 | #endif |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1146 | return; |
| 1147 | } |
| 1148 | |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 1149 | pr->drawPath(path, fill, translate, target, prAA); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1150 | } |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1151 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1152 | //////////////////////////////////////////////////////////////////////////////// |
| 1153 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1154 | void GrContext::flush(int flagsBitfield) { |
| 1155 | if (kDiscard_FlushBit & flagsBitfield) { |
| 1156 | fDrawBuffer->reset(); |
| 1157 | } else { |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1158 | this->flushDrawBuffer(); |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1159 | } |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1160 | if (kForceCurrentRenderTarget_FlushBit & flagsBitfield) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1161 | fGpu->forceRenderTargetFlush(); |
| 1162 | } |
| 1163 | } |
| 1164 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1165 | void GrContext::flushDrawBuffer() { |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 1166 | if (fDrawBuffer) { |
robertphillips@google.com | 58b3818 | 2012-05-03 16:29:41 +0000 | [diff] [blame] | 1167 | // With addition of the AA clip path, flushing the draw buffer can |
| 1168 | // result in the generation of an AA clip mask. During this |
| 1169 | // process the SW path renderer may be invoked which recusively |
| 1170 | // calls this method (via internalWriteTexturePixels) creating |
| 1171 | // infinite recursion |
| 1172 | GrInOrderDrawBuffer* temp = fDrawBuffer; |
| 1173 | fDrawBuffer = NULL; |
| 1174 | |
| 1175 | temp->flushTo(fGpu); |
| 1176 | |
| 1177 | fDrawBuffer = temp; |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 1178 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1179 | } |
| 1180 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1181 | void GrContext::writeTexturePixels(GrTexture* texture, |
| 1182 | int left, int top, int width, int height, |
| 1183 | GrPixelConfig config, const void* buffer, size_t rowBytes, |
| 1184 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1185 | SK_TRACE_EVENT0("GrContext::writeTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1186 | ASSERT_OWNED_RESOURCE(texture); |
| 1187 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1188 | // TODO: use scratch texture to perform conversion |
| 1189 | if (kUnpremul_PixelOpsFlag & flags) { |
| 1190 | return; |
| 1191 | } |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1192 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1193 | this->flush(); |
| 1194 | } |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1195 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1196 | fGpu->writeTexturePixels(texture, left, top, width, height, |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1197 | config, buffer, rowBytes); |
| 1198 | } |
| 1199 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1200 | bool GrContext::readTexturePixels(GrTexture* texture, |
| 1201 | int left, int top, int width, int height, |
| 1202 | GrPixelConfig config, void* buffer, size_t rowBytes, |
| 1203 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1204 | SK_TRACE_EVENT0("GrContext::readTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1205 | ASSERT_OWNED_RESOURCE(texture); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1206 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1207 | // TODO: code read pixels for textures that aren't also rendertargets |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1208 | GrRenderTarget* target = texture->asRenderTarget(); |
| 1209 | if (NULL != target) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1210 | return this->readRenderTargetPixels(target, |
| 1211 | left, top, width, height, |
| 1212 | config, buffer, rowBytes, |
| 1213 | flags); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1214 | } else { |
| 1215 | return false; |
| 1216 | } |
| 1217 | } |
| 1218 | |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1219 | #include "SkConfig8888.h" |
| 1220 | |
| 1221 | namespace { |
| 1222 | /** |
| 1223 | * Converts a GrPixelConfig to a SkCanvas::Config8888. Only byte-per-channel |
| 1224 | * formats are representable as Config8888 and so the function returns false |
| 1225 | * if the GrPixelConfig has no equivalent Config8888. |
| 1226 | */ |
| 1227 | bool grconfig_to_config8888(GrPixelConfig config, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1228 | bool unpremul, |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1229 | SkCanvas::Config8888* config8888) { |
| 1230 | switch (config) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1231 | case kRGBA_8888_GrPixelConfig: |
| 1232 | if (unpremul) { |
| 1233 | *config8888 = SkCanvas::kRGBA_Unpremul_Config8888; |
| 1234 | } else { |
| 1235 | *config8888 = SkCanvas::kRGBA_Premul_Config8888; |
| 1236 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1237 | return true; |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1238 | case kBGRA_8888_GrPixelConfig: |
| 1239 | if (unpremul) { |
| 1240 | *config8888 = SkCanvas::kBGRA_Unpremul_Config8888; |
| 1241 | } else { |
| 1242 | *config8888 = SkCanvas::kBGRA_Premul_Config8888; |
| 1243 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1244 | return true; |
| 1245 | default: |
| 1246 | return false; |
| 1247 | } |
| 1248 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1249 | |
| 1250 | // It returns a configuration with where the byte position of the R & B components are swapped in |
| 1251 | // relation to the input config. This should only be called with the result of |
| 1252 | // grconfig_to_config8888 as it will fail for other configs. |
| 1253 | SkCanvas::Config8888 swap_config8888_red_and_blue(SkCanvas::Config8888 config8888) { |
| 1254 | switch (config8888) { |
| 1255 | case SkCanvas::kBGRA_Premul_Config8888: |
| 1256 | return SkCanvas::kRGBA_Premul_Config8888; |
| 1257 | case SkCanvas::kBGRA_Unpremul_Config8888: |
| 1258 | return SkCanvas::kRGBA_Unpremul_Config8888; |
| 1259 | case SkCanvas::kRGBA_Premul_Config8888: |
| 1260 | return SkCanvas::kBGRA_Premul_Config8888; |
| 1261 | case SkCanvas::kRGBA_Unpremul_Config8888: |
| 1262 | return SkCanvas::kBGRA_Unpremul_Config8888; |
| 1263 | default: |
| 1264 | GrCrash("Unexpected input"); |
| 1265 | return SkCanvas::kBGRA_Unpremul_Config8888;; |
| 1266 | } |
| 1267 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1268 | } |
| 1269 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1270 | bool GrContext::readRenderTargetPixels(GrRenderTarget* target, |
| 1271 | int left, int top, int width, int height, |
| 1272 | GrPixelConfig config, void* buffer, size_t rowBytes, |
| 1273 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1274 | SK_TRACE_EVENT0("GrContext::readRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1275 | ASSERT_OWNED_RESOURCE(target); |
| 1276 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1277 | if (NULL == target) { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1278 | target = fDrawState->getRenderTarget(); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1279 | if (NULL == target) { |
| 1280 | return false; |
| 1281 | } |
| 1282 | } |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1283 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1284 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1285 | this->flush(); |
| 1286 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1287 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1288 | // 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] | 1289 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1290 | // If fGpu->readPixels would incur a y-flip cost then we will read the pixels upside down. We'll |
| 1291 | // either do the flipY by drawing into a scratch with a matrix or on the cpu after the read. |
| 1292 | bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top, |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1293 | width, height, config, |
| 1294 | rowBytes); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1295 | bool swapRAndB = fGpu->preferredReadPixelsConfig(config) == GrPixelConfigSwapRAndB(config); |
| 1296 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1297 | bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1298 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1299 | // flipY will get set to false when it is handled below using a scratch. However, in that case |
| 1300 | // we still want to do the read upside down. |
| 1301 | bool readUpsideDown = flipY; |
| 1302 | |
| 1303 | if (unpremul && kRGBA_8888_GrPixelConfig != config && kBGRA_8888_GrPixelConfig != config) { |
| 1304 | // The unpremul flag is only allowed for these two configs. |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1305 | return false; |
| 1306 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1307 | |
| 1308 | GrPixelConfig readConfig; |
| 1309 | if (swapRAndB) { |
| 1310 | readConfig = GrPixelConfigSwapRAndB(config); |
| 1311 | GrAssert(kUnknown_GrPixelConfig != config); |
| 1312 | } else { |
| 1313 | readConfig = config; |
| 1314 | } |
| 1315 | |
| 1316 | // If the src is a texture and we would have to do conversions after read pixels, we instead |
| 1317 | // do the conversions by drawing the src to a scratch texture. If we handle any of the |
| 1318 | // conversions in the draw we set the corresponding bool to false so that we don't reapply it |
| 1319 | // on the read back pixels. |
| 1320 | GrTexture* src = target->asTexture(); |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1321 | GrAutoScratchTexture ast; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1322 | if (NULL != src && (swapRAndB || unpremul || flipY)) { |
| 1323 | // Make the scratch a render target because we don't have a robust readTexturePixels as of |
| 1324 | // yet. It calls this function. |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1325 | GrTextureDesc desc; |
| 1326 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 1327 | desc.fWidth = width; |
| 1328 | desc.fHeight = height; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1329 | desc.fConfig = readConfig; |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1330 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1331 | // When a full readback is faster than a partial we could always make the scratch exactly |
| 1332 | // match the passed rect. However, if we see many different size rectangles we will trash |
| 1333 | // our texture cache and pay the cost of creating and destroying many textures. So, we only |
| 1334 | // 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] | 1335 | ScratchTexMatch match = kApprox_ScratchTexMatch; |
| 1336 | if (0 == left && |
| 1337 | 0 == top && |
| 1338 | target->width() == width && |
| 1339 | target->height() == height && |
| 1340 | fGpu->fullReadPixelsIsFasterThanPartial()) { |
| 1341 | match = kExact_ScratchTexMatch; |
| 1342 | } |
| 1343 | ast.set(this, desc, match); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1344 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1345 | if (texture) { |
| 1346 | SkAutoTUnref<GrCustomStage> stage; |
| 1347 | if (unpremul) { |
| 1348 | stage.reset(this->createPMToUPMEffect(src, swapRAndB)); |
| 1349 | } |
| 1350 | // If we failed to create a PM->UPM effect and have no other conversions to perform then |
| 1351 | // there is no longer any point to using the scratch. |
| 1352 | if (NULL != stage || flipY || swapRAndB) { |
| 1353 | if (NULL == stage) { |
| 1354 | stage.reset(GrConfigConversionEffect::Create(src, swapRAndB)); |
| 1355 | GrAssert(NULL != stage); |
| 1356 | } else { |
| 1357 | unpremul = false; // we will handle the UPM conversion in the draw |
| 1358 | } |
| 1359 | swapRAndB = false; // we will handle the swap in the draw. |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1360 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1361 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
| 1362 | GrDrawState* drawState = fGpu->drawState(); |
| 1363 | drawState->setRenderTarget(texture->asRenderTarget()); |
| 1364 | GrMatrix matrix; |
| 1365 | if (flipY) { |
| 1366 | matrix.setTranslate(SK_Scalar1 * left, |
| 1367 | SK_Scalar1 * (top + height)); |
| 1368 | matrix.set(GrMatrix::kMScaleY, -GR_Scalar1); |
| 1369 | flipY = false; // the y flip will be handled in the draw |
| 1370 | } else { |
| 1371 | matrix.setTranslate(SK_Scalar1 *left, SK_Scalar1 *top); |
| 1372 | } |
| 1373 | matrix.postIDiv(src->width(), src->height()); |
| 1374 | drawState->sampler(0)->reset(matrix); |
| 1375 | drawState->sampler(0)->setCustomStage(stage); |
| 1376 | GrRect rect = GrRect::MakeWH(GrIntToScalar(width), GrIntToScalar(height)); |
| 1377 | fGpu->drawSimpleRect(rect, NULL); |
| 1378 | // we want to read back from the scratch's origin |
| 1379 | left = 0; |
| 1380 | top = 0; |
| 1381 | target = texture->asRenderTarget(); |
| 1382 | } |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1383 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1384 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1385 | if (!fGpu->readPixels(target, |
| 1386 | left, top, width, height, |
| 1387 | readConfig, buffer, rowBytes, readUpsideDown)) { |
| 1388 | return false; |
| 1389 | } |
| 1390 | // Perform any conversions we weren't able to perfom using a scratch texture. |
| 1391 | if (unpremul || swapRAndB || flipY) { |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1392 | // These are initialized to suppress a warning |
| 1393 | SkCanvas::Config8888 srcC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1394 | SkCanvas::Config8888 dstC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1395 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1396 | bool c8888IsValid = grconfig_to_config8888(config, false, &srcC8888); |
| 1397 | grconfig_to_config8888(config, unpremul, &dstC8888); |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1398 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1399 | if (swapRAndB) { |
| 1400 | GrAssert(c8888IsValid); // we should only do r/b swap on 8888 configs |
| 1401 | srcC8888 = swap_config8888_red_and_blue(srcC8888); |
| 1402 | } |
| 1403 | if (flipY) { |
| 1404 | size_t tightRB = width * GrBytesPerPixel(config); |
| 1405 | if (0 == rowBytes) { |
| 1406 | rowBytes = tightRB; |
| 1407 | } |
| 1408 | SkAutoSTMalloc<256, uint8_t> tempRow(tightRB); |
| 1409 | intptr_t top = reinterpret_cast<intptr_t>(buffer); |
| 1410 | intptr_t bot = top + (height - 1) * rowBytes; |
| 1411 | while (top < bot) { |
| 1412 | uint32_t* t = reinterpret_cast<uint32_t*>(top); |
| 1413 | uint32_t* b = reinterpret_cast<uint32_t*>(bot); |
| 1414 | uint32_t* temp = reinterpret_cast<uint32_t*>(tempRow.get()); |
| 1415 | memcpy(temp, t, tightRB); |
| 1416 | if (c8888IsValid) { |
| 1417 | SkConvertConfig8888Pixels(t, tightRB, dstC8888, |
| 1418 | b, tightRB, srcC8888, |
| 1419 | width, 1); |
| 1420 | SkConvertConfig8888Pixels(b, tightRB, dstC8888, |
| 1421 | temp, tightRB, srcC8888, |
| 1422 | width, 1); |
| 1423 | } else { |
| 1424 | memcpy(t, b, tightRB); |
| 1425 | memcpy(b, temp, tightRB); |
| 1426 | } |
| 1427 | top += rowBytes; |
| 1428 | bot -= rowBytes; |
| 1429 | } |
| 1430 | // The above loop does nothing on the middle row when height is odd. |
| 1431 | if (top == bot && c8888IsValid && dstC8888 != srcC8888) { |
| 1432 | uint32_t* mid = reinterpret_cast<uint32_t*>(top); |
| 1433 | SkConvertConfig8888Pixels(mid, tightRB, dstC8888, mid, tightRB, srcC8888, width, 1); |
| 1434 | } |
| 1435 | } else { |
| 1436 | // if we aren't flipping Y then we have no reason to be here other than doing |
| 1437 | // conversions for 8888 (r/b swap or upm). |
| 1438 | GrAssert(c8888IsValid); |
| 1439 | uint32_t* b32 = reinterpret_cast<uint32_t*>(buffer); |
| 1440 | SkConvertConfig8888Pixels(b32, rowBytes, dstC8888, |
| 1441 | b32, rowBytes, srcC8888, |
| 1442 | width, height); |
| 1443 | } |
| 1444 | } |
| 1445 | return true; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1446 | } |
| 1447 | |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 1448 | void GrContext::resolveRenderTarget(GrRenderTarget* target) { |
| 1449 | GrAssert(target); |
| 1450 | ASSERT_OWNED_RESOURCE(target); |
| 1451 | // In the future we may track whether there are any pending draws to this |
| 1452 | // target. We don't today so we always perform a flush. We don't promise |
| 1453 | // this to our clients, though. |
| 1454 | this->flush(); |
| 1455 | fGpu->resolveRenderTarget(target); |
| 1456 | } |
| 1457 | |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1458 | void GrContext::copyTexture(GrTexture* src, GrRenderTarget* dst) { |
| 1459 | if (NULL == src || NULL == dst) { |
| 1460 | return; |
| 1461 | } |
| 1462 | ASSERT_OWNED_RESOURCE(src); |
| 1463 | |
twiz@google.com | 1ac87ff | 2012-04-27 19:39:33 +0000 | [diff] [blame] | 1464 | // Writes pending to the source texture are not tracked, so a flush |
| 1465 | // is required to ensure that the copy captures the most recent contents |
| 1466 | // of the source texture. See similar behaviour in |
| 1467 | // GrContext::resolveRenderTarget. |
| 1468 | this->flush(); |
| 1469 | |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1470 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1471 | GrDrawState* drawState = fGpu->drawState(); |
| 1472 | drawState->setRenderTarget(dst); |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1473 | GrMatrix sampleM; |
| 1474 | sampleM.setIDiv(src->width(), src->height()); |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 1475 | drawState->sampler(0)->reset(sampleM); |
tomhudson@google.com | 1e8f016 | 2012-07-20 16:25:18 +0000 | [diff] [blame] | 1476 | drawState->createTextureEffect(0, src); |
bsalomon@google.com | 5db3b6c | 2012-01-12 20:38:57 +0000 | [diff] [blame] | 1477 | SkRect rect = SkRect::MakeXYWH(0, 0, |
| 1478 | SK_Scalar1 * src->width(), |
| 1479 | SK_Scalar1 * src->height()); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 1480 | fGpu->drawSimpleRect(rect, NULL); |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1481 | } |
| 1482 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1483 | void GrContext::writeRenderTargetPixels(GrRenderTarget* target, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1484 | int left, int top, int width, int height, |
| 1485 | GrPixelConfig config, |
| 1486 | const void* buffer, |
| 1487 | size_t rowBytes, |
| 1488 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1489 | SK_TRACE_EVENT0("GrContext::writeRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1490 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1491 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1492 | if (NULL == target) { |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1493 | target = fDrawState->getRenderTarget(); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1494 | if (NULL == target) { |
| 1495 | return; |
| 1496 | } |
| 1497 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1498 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1499 | // TODO: when underlying api has a direct way to do this we should use it (e.g. glDrawPixels on |
| 1500 | // desktop GL). |
| 1501 | |
| 1502 | // We will always call some form of writeTexturePixels and we will pass our flags on to it. |
| 1503 | // Thus, we don't perform a flush here since that call will do it (if the kNoFlush flag isn't |
| 1504 | // set.) |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1505 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1506 | // If the RT is also a texture and we don't have to premultiply then take the texture path. |
| 1507 | // We expect to be at least as fast or faster since it doesn't use an intermediate texture as |
| 1508 | // we do below. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1509 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1510 | #if !GR_MAC_BUILD |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1511 | // At least some drivers on the Mac get confused when glTexImage2D is called on a texture |
| 1512 | // attached to an FBO. The FBO still sees the old image. TODO: determine what OS versions and/or |
| 1513 | // HW is affected. |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1514 | if (NULL != target->asTexture() && !(kUnpremul_PixelOpsFlag & flags)) { |
| 1515 | this->writeTexturePixels(target->asTexture(), |
| 1516 | left, top, width, height, |
| 1517 | config, buffer, rowBytes, flags); |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1518 | return; |
| 1519 | } |
| 1520 | #endif |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1521 | SkAutoTUnref<GrCustomStage> stage; |
| 1522 | bool swapRAndB = (fGpu->preferredReadPixelsConfig(config) == GrPixelConfigSwapRAndB(config)); |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1523 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1524 | GrPixelConfig textureConfig; |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1525 | if (swapRAndB) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1526 | textureConfig = GrPixelConfigSwapRAndB(config); |
| 1527 | } else { |
| 1528 | textureConfig = config; |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1529 | } |
| 1530 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1531 | GrTextureDesc desc; |
| 1532 | desc.fWidth = width; |
| 1533 | desc.fHeight = height; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1534 | desc.fConfig = textureConfig; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 1535 | GrAutoScratchTexture ast(this, desc); |
| 1536 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1537 | if (NULL == texture) { |
| 1538 | return; |
| 1539 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1540 | // allocate a tmp buffer and sw convert the pixels to premul |
| 1541 | SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0); |
| 1542 | |
| 1543 | if (kUnpremul_PixelOpsFlag & flags) { |
| 1544 | if (kRGBA_8888_GrPixelConfig != config && kBGRA_8888_GrPixelConfig != config) { |
| 1545 | return; |
| 1546 | } |
| 1547 | stage.reset(this->createUPMToPMEffect(texture, swapRAndB)); |
| 1548 | if (NULL == stage) { |
| 1549 | SkCanvas::Config8888 srcConfig8888, dstConfig8888; |
| 1550 | GR_DEBUGCODE(bool success = ) |
| 1551 | grconfig_to_config8888(config, true, &srcConfig8888); |
| 1552 | GrAssert(success); |
| 1553 | GR_DEBUGCODE(success = ) |
| 1554 | grconfig_to_config8888(config, false, &dstConfig8888); |
| 1555 | GrAssert(success); |
| 1556 | const uint32_t* src = reinterpret_cast<const uint32_t*>(buffer); |
| 1557 | tmpPixels.reset(width * height); |
| 1558 | SkConvertConfig8888Pixels(tmpPixels.get(), 4 * width, dstConfig8888, |
| 1559 | src, rowBytes, srcConfig8888, |
| 1560 | width, height); |
| 1561 | buffer = tmpPixels.get(); |
| 1562 | rowBytes = 4 * width; |
| 1563 | } |
| 1564 | } |
| 1565 | if (NULL == stage) { |
| 1566 | stage.reset(GrConfigConversionEffect::Create(texture, swapRAndB)); |
| 1567 | GrAssert(NULL != stage); |
| 1568 | } |
| 1569 | |
| 1570 | this->writeTexturePixels(texture, |
| 1571 | 0, 0, width, height, |
| 1572 | textureConfig, buffer, rowBytes, |
| 1573 | flags & ~kUnpremul_PixelOpsFlag); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1574 | |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1575 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1576 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1577 | |
| 1578 | GrMatrix matrix; |
| 1579 | matrix.setTranslate(GrIntToScalar(left), GrIntToScalar(top)); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1580 | drawState->setViewMatrix(matrix); |
| 1581 | drawState->setRenderTarget(target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1582 | |
bsalomon@google.com | 5c63865 | 2011-07-18 19:31:59 +0000 | [diff] [blame] | 1583 | matrix.setIDiv(texture->width(), texture->height()); |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 1584 | drawState->sampler(0)->reset(matrix); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1585 | drawState->sampler(0)->setCustomStage(stage); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1586 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1587 | fGpu->drawSimpleRect(GrRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)), NULL); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1588 | } |
| 1589 | //////////////////////////////////////////////////////////////////////////////// |
| 1590 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1591 | GrDrawTarget* GrContext::prepareToDraw(const GrPaint* paint, BufferedDraw buffered) { |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1592 | if (kNo_BufferedDraw == buffered && kYes_BufferedDraw == fLastDrawWasBuffered) { |
bsalomon@google.com | fb4ce6f | 2012-03-14 13:27:54 +0000 | [diff] [blame] | 1593 | this->flushDrawBuffer(); |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1594 | fLastDrawWasBuffered = kNo_BufferedDraw; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1595 | } |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1596 | if (NULL != paint) { |
bsalomon@google.com | af84e74 | 2012-10-05 13:23:24 +0000 | [diff] [blame] | 1597 | GrAssert(fDrawState->stagesDisabled()); |
| 1598 | fDrawState->setFromPaint(*paint); |
| 1599 | #if GR_DEBUG_PARTIAL_COVERAGE_CHECK |
| 1600 | if ((paint->hasMask() || 0xff != paint->fCoverage) && |
| 1601 | !fGpu->canApplyCoverage()) { |
| 1602 | GrPrintf("Partial pixel coverage will be incorrectly blended.\n"); |
| 1603 | } |
| 1604 | #endif |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1605 | } |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1606 | if (kYes_BufferedDraw == buffered) { |
| 1607 | fDrawBuffer->setClip(fGpu->getClip()); |
| 1608 | fLastDrawWasBuffered = kYes_BufferedDraw; |
| 1609 | return fDrawBuffer; |
| 1610 | } else { |
| 1611 | GrAssert(kNo_BufferedDraw == buffered); |
| 1612 | return fGpu; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1613 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1614 | } |
| 1615 | |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1616 | /* |
| 1617 | * This method finds a path renderer that can draw the specified path on |
| 1618 | * the provided target. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1619 | * 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] | 1620 | * can be individually allowed/disallowed via the "allowSW" boolean. |
| 1621 | */ |
bsalomon@google.com | 8d033a1 | 2012-04-27 15:52:53 +0000 | [diff] [blame] | 1622 | GrPathRenderer* GrContext::getPathRenderer(const SkPath& path, |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1623 | GrPathFill fill, |
bsalomon@google.com | c2099d2 | 2012-03-02 21:26:50 +0000 | [diff] [blame] | 1624 | const GrDrawTarget* target, |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1625 | bool antiAlias, |
| 1626 | bool allowSW) { |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1627 | if (NULL == fPathRendererChain) { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1628 | fPathRendererChain = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1629 | SkNEW_ARGS(GrPathRendererChain, |
| 1630 | (this, GrPathRendererChain::kNone_UsageFlag)); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1631 | } |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1632 | |
| 1633 | GrPathRenderer* pr = fPathRendererChain->getPathRenderer(path, fill, |
| 1634 | target, |
| 1635 | antiAlias); |
| 1636 | |
| 1637 | if (NULL == pr && allowSW) { |
| 1638 | if (NULL == fSoftwarePathRenderer) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1639 | fSoftwarePathRenderer = SkNEW_ARGS(GrSoftwarePathRenderer, (this)); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1640 | } |
| 1641 | |
| 1642 | pr = fSoftwarePathRenderer; |
| 1643 | } |
| 1644 | |
| 1645 | return pr; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1646 | } |
| 1647 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1648 | //////////////////////////////////////////////////////////////////////////////// |
| 1649 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1650 | void GrContext::setRenderTarget(GrRenderTarget* target) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1651 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1652 | fDrawState->setRenderTarget(target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1653 | } |
| 1654 | |
| 1655 | GrRenderTarget* GrContext::getRenderTarget() { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1656 | return fDrawState->getRenderTarget(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1657 | } |
| 1658 | |
| 1659 | const GrRenderTarget* GrContext::getRenderTarget() const { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1660 | return fDrawState->getRenderTarget(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1661 | } |
| 1662 | |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 1663 | bool GrContext::isConfigRenderable(GrPixelConfig config) const { |
| 1664 | return fGpu->isConfigRenderable(config); |
| 1665 | } |
| 1666 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1667 | const GrMatrix& GrContext::getMatrix() const { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1668 | return fDrawState->getViewMatrix(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1669 | } |
| 1670 | |
| 1671 | void GrContext::setMatrix(const GrMatrix& m) { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1672 | fDrawState->setViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1673 | } |
| 1674 | |
| 1675 | void GrContext::concatMatrix(const GrMatrix& m) const { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1676 | fDrawState->preConcatViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1677 | } |
| 1678 | |
| 1679 | static inline intptr_t setOrClear(intptr_t bits, int shift, intptr_t pred) { |
| 1680 | intptr_t mask = 1 << shift; |
| 1681 | if (pred) { |
| 1682 | bits |= mask; |
| 1683 | } else { |
| 1684 | bits &= ~mask; |
| 1685 | } |
| 1686 | return bits; |
| 1687 | } |
| 1688 | |
bsalomon@google.com | 583a1e3 | 2011-08-17 13:42:46 +0000 | [diff] [blame] | 1689 | GrContext::GrContext(GrGpu* gpu) { |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 1690 | ++THREAD_INSTANCE_COUNT; |
| 1691 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1692 | fGpu = gpu; |
| 1693 | fGpu->ref(); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1694 | fGpu->setContext(this); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1695 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1696 | fDrawState = SkNEW(GrDrawState); |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1697 | fGpu->setDrawState(fDrawState); |
| 1698 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1699 | fPathRendererChain = NULL; |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1700 | fSoftwarePathRenderer = NULL; |
bsalomon@google.com | dfe75bc | 2011-03-25 12:31:16 +0000 | [diff] [blame] | 1701 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1702 | fTextureCache = SkNEW_ARGS(GrResourceCache, |
| 1703 | (MAX_TEXTURE_CACHE_COUNT, |
| 1704 | MAX_TEXTURE_CACHE_BYTES)); |
| 1705 | fFontCache = SkNEW_ARGS(GrFontCache, (fGpu)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1706 | |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1707 | fLastDrawWasBuffered = kNo_BufferedDraw; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1708 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1709 | fDrawBuffer = NULL; |
| 1710 | fDrawBufferVBAllocPool = NULL; |
| 1711 | fDrawBufferIBAllocPool = NULL; |
| 1712 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1713 | fAARectRenderer = SkNEW(GrAARectRenderer); |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1714 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1715 | fDidTestPMConversions = false; |
| 1716 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1717 | this->setupDrawBuffer(); |
| 1718 | } |
| 1719 | |
| 1720 | void GrContext::setupDrawBuffer() { |
| 1721 | |
| 1722 | GrAssert(NULL == fDrawBuffer); |
| 1723 | GrAssert(NULL == fDrawBufferVBAllocPool); |
| 1724 | GrAssert(NULL == fDrawBufferIBAllocPool); |
| 1725 | |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1726 | fDrawBufferVBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1727 | SkNEW_ARGS(GrVertexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1728 | DRAW_BUFFER_VBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1729 | DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1730 | fDrawBufferIBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1731 | SkNEW_ARGS(GrIndexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1732 | DRAW_BUFFER_IBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1733 | DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1734 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1735 | fDrawBuffer = SkNEW_ARGS(GrInOrderDrawBuffer, (fGpu, |
bsalomon@google.com | 471d471 | 2011-08-23 15:45:25 +0000 | [diff] [blame] | 1736 | fDrawBufferVBAllocPool, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1737 | fDrawBufferIBAllocPool)); |
bsalomon@google.com | 3c4d032 | 2012-04-03 18:04:51 +0000 | [diff] [blame] | 1738 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1739 | fDrawBuffer->setQuadIndexBuffer(this->getQuadIndexBuffer()); |
bsalomon@google.com | 1015e03 | 2012-06-25 18:41:04 +0000 | [diff] [blame] | 1740 | if (fDrawBuffer) { |
| 1741 | fDrawBuffer->setAutoFlushTarget(fGpu); |
| 1742 | fDrawBuffer->setDrawState(fDrawState); |
| 1743 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1744 | } |
| 1745 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1746 | GrDrawTarget* GrContext::getTextTarget(const GrPaint& paint) { |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1747 | return prepareToDraw(&paint, DEFAULT_BUFFERING); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1748 | } |
| 1749 | |
| 1750 | const GrIndexBuffer* GrContext::getQuadIndexBuffer() const { |
| 1751 | return fGpu->getQuadIndexBuffer(); |
| 1752 | } |
bsalomon@google.com | dfe75bc | 2011-03-25 12:31:16 +0000 | [diff] [blame] | 1753 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1754 | namespace { |
| 1755 | void test_pm_conversions(GrContext* ctx, int* pmToUPMValue, int* upmToPMValue) { |
| 1756 | GrConfigConversionEffect::PMConversion pmToUPM; |
| 1757 | GrConfigConversionEffect::PMConversion upmToPM; |
| 1758 | GrConfigConversionEffect::TestForPreservingPMConversions(ctx, &pmToUPM, &upmToPM); |
| 1759 | *pmToUPMValue = pmToUPM; |
| 1760 | *upmToPMValue = upmToPM; |
| 1761 | } |
| 1762 | } |
| 1763 | |
| 1764 | GrCustomStage* GrContext::createPMToUPMEffect(GrTexture* texture, bool swapRAndB) { |
| 1765 | if (!fDidTestPMConversions) { |
| 1766 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1767 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1768 | } |
| 1769 | GrConfigConversionEffect::PMConversion pmToUPM = |
| 1770 | static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion); |
| 1771 | if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) { |
| 1772 | return GrConfigConversionEffect::Create(texture, swapRAndB, pmToUPM); |
| 1773 | } else { |
| 1774 | return NULL; |
| 1775 | } |
| 1776 | } |
| 1777 | |
| 1778 | GrCustomStage* GrContext::createUPMToPMEffect(GrTexture* texture, bool swapRAndB) { |
| 1779 | if (!fDidTestPMConversions) { |
| 1780 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1781 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1782 | } |
| 1783 | GrConfigConversionEffect::PMConversion upmToPM = |
| 1784 | static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion); |
| 1785 | if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) { |
| 1786 | return GrConfigConversionEffect::Create(texture, swapRAndB, upmToPM); |
| 1787 | } else { |
| 1788 | return NULL; |
| 1789 | } |
| 1790 | } |
| 1791 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1792 | GrTexture* GrContext::gaussianBlur(GrTexture* srcTexture, |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1793 | bool canClobberSrc, |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1794 | const SkRect& rect, |
| 1795 | float sigmaX, float sigmaY) { |
senorblanco@chromium.org | ceb4414 | 2012-03-05 20:53:36 +0000 | [diff] [blame] | 1796 | ASSERT_OWNED_RESOURCE(srcTexture); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 1797 | |
| 1798 | AutoRenderTarget art(this); |
| 1799 | |
robertphillips@google.com | fea85ac | 2012-07-11 18:53:23 +0000 | [diff] [blame] | 1800 | AutoMatrix avm(this, GrMatrix::I()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1801 | SkIRect clearRect; |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1802 | int scaleFactorX, radiusX; |
| 1803 | int scaleFactorY, radiusY; |
| 1804 | sigmaX = adjust_sigma(sigmaX, &scaleFactorX, &radiusX); |
| 1805 | sigmaY = adjust_sigma(sigmaY, &scaleFactorY, &radiusY); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1806 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1807 | SkRect srcRect(rect); |
| 1808 | scale_rect(&srcRect, 1.0f / scaleFactorX, 1.0f / scaleFactorY); |
| 1809 | srcRect.roundOut(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1810 | scale_rect(&srcRect, static_cast<float>(scaleFactorX), |
robertphillips@google.com | 8637a36 | 2012-04-10 18:32:35 +0000 | [diff] [blame] | 1811 | static_cast<float>(scaleFactorY)); |
robertphillips@google.com | 3e11c0b | 2012-07-11 18:20:35 +0000 | [diff] [blame] | 1812 | |
robertphillips@google.com | 56c79b1 | 2012-07-11 20:57:46 +0000 | [diff] [blame] | 1813 | AutoClip acs(this, srcRect); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1814 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1815 | GrAssert(kBGRA_8888_GrPixelConfig == srcTexture->config() || |
| 1816 | kRGBA_8888_GrPixelConfig == srcTexture->config() || |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 1817 | kAlpha_8_GrPixelConfig == srcTexture->config()); |
| 1818 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1819 | GrTextureDesc desc; |
| 1820 | desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; |
| 1821 | desc.fWidth = SkScalarFloorToInt(srcRect.width()); |
| 1822 | desc.fHeight = SkScalarFloorToInt(srcRect.height()); |
| 1823 | desc.fConfig = srcTexture->config(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1824 | |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1825 | GrAutoScratchTexture temp1, temp2; |
| 1826 | GrTexture* dstTexture = temp1.set(this, desc); |
| 1827 | GrTexture* tempTexture = canClobberSrc ? srcTexture : temp2.set(this, desc); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1828 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1829 | GrPaint paint; |
| 1830 | paint.reset(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1831 | |
| 1832 | for (int i = 1; i < scaleFactorX || i < scaleFactorY; i *= 2) { |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1833 | paint.colorSampler(0)->matrix()->setIDiv(srcTexture->width(), |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1834 | srcTexture->height()); |
| 1835 | this->setRenderTarget(dstTexture->asRenderTarget()); |
| 1836 | SkRect dstRect(srcRect); |
| 1837 | scale_rect(&dstRect, i < scaleFactorX ? 0.5f : 1.0f, |
| 1838 | i < scaleFactorY ? 0.5f : 1.0f); |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1839 | paint.colorSampler(0)->setCustomStage(SkNEW_ARGS(GrSingleTextureEffect, |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1840 | (srcTexture, true)))->unref(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1841 | this->drawRectToRect(paint, dstRect, srcRect); |
| 1842 | srcRect = dstRect; |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1843 | srcTexture = dstTexture; |
| 1844 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1845 | } |
| 1846 | |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1847 | SkIRect srcIRect; |
| 1848 | srcRect.roundOut(&srcIRect); |
| 1849 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1850 | if (sigmaX > 0.0f) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1851 | if (scaleFactorX > 1) { |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1852 | // 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] | 1853 | // X convolution from reading garbage. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1854 | clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1855 | radiusX, srcIRect.height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1856 | this->clear(&clearRect, 0x0); |
| 1857 | } |
| 1858 | |
| 1859 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1860 | GrDrawTarget* target = this->prepareToDraw(NULL, DEFAULT_BUFFERING); |
| 1861 | convolve_gaussian(target, srcTexture, srcRect, sigmaX, radiusX, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1862 | Gr1DKernelEffect::kX_Direction); |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1863 | srcTexture = dstTexture; |
| 1864 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1865 | } |
| 1866 | |
| 1867 | if (sigmaY > 0.0f) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1868 | if (scaleFactorY > 1 || sigmaX > 0.0f) { |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1869 | // Clear out a radius below the srcRect to prevent the Y |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1870 | // convolution from reading garbage. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1871 | clearRect = SkIRect::MakeXYWH(srcIRect.fLeft, srcIRect.fBottom, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1872 | srcIRect.width(), radiusY); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1873 | this->clear(&clearRect, 0x0); |
| 1874 | } |
| 1875 | |
| 1876 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1877 | GrDrawTarget* target = this->prepareToDraw(NULL, DEFAULT_BUFFERING); |
| 1878 | convolve_gaussian(target, srcTexture, srcRect, sigmaY, radiusY, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1879 | Gr1DKernelEffect::kY_Direction); |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1880 | srcTexture = dstTexture; |
| 1881 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1882 | } |
| 1883 | |
| 1884 | if (scaleFactorX > 1 || scaleFactorY > 1) { |
| 1885 | // Clear one pixel to the right and below, to accommodate bilinear |
| 1886 | // upsampling. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1887 | clearRect = SkIRect::MakeXYWH(srcIRect.fLeft, srcIRect.fBottom, |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1888 | srcIRect.width() + 1, 1); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1889 | this->clear(&clearRect, 0x0); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1890 | clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1891 | 1, srcIRect.height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1892 | this->clear(&clearRect, 0x0); |
| 1893 | // FIXME: This should be mitchell, not bilinear. |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1894 | paint.colorSampler(0)->matrix()->setIDiv(srcTexture->width(), |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1895 | srcTexture->height()); |
| 1896 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 1897 | paint.colorSampler(0)->setCustomStage(SkNEW_ARGS(GrSingleTextureEffect, |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 1898 | (srcTexture, true)))->unref(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1899 | SkRect dstRect(srcRect); |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1900 | scale_rect(&dstRect, (float) scaleFactorX, (float) scaleFactorY); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1901 | this->drawRectToRect(paint, dstRect, srcRect); |
| 1902 | srcRect = dstRect; |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1903 | srcTexture = dstTexture; |
| 1904 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1905 | } |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1906 | if (srcTexture == temp1.texture()) { |
| 1907 | return temp1.detach(); |
| 1908 | } else if (srcTexture == temp2.texture()) { |
| 1909 | return temp2.detach(); |
| 1910 | } else { |
| 1911 | srcTexture->ref(); |
| 1912 | return srcTexture; |
| 1913 | } |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1914 | } |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 1915 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1916 | /////////////////////////////////////////////////////////////////////////////// |
robertphillips@google.com | 5955202 | 2012-08-31 13:07:37 +0000 | [diff] [blame] | 1917 | #if GR_CACHE_STATS |
robertphillips@google.com | 5f9f2f5 | 2012-08-22 10:57:05 +0000 | [diff] [blame] | 1918 | void GrContext::printCacheStats() const { |
| 1919 | fTextureCache->printStats(); |
| 1920 | } |
| 1921 | #endif |