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 | |
robertphillips@google.com | 1947ba6 | 2012-10-17 13:35:24 +0000 | [diff] [blame] | 51 | static const size_t MAX_TEXTURE_CACHE_COUNT = 2048; |
djsollen@google.com | 42041e6 | 2012-10-29 19:24:45 +0000 | [diff] [blame] | 52 | static const size_t MAX_TEXTURE_CACHE_BYTES = GR_DEFAULT_TEXTURE_CACHE_MB_LIMIT * 1024 * 1024; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 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 | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 62 | GrContext* GrContext::Create(GrBackend backend, GrBackendContext context) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 63 | GrContext* ctx = NULL; |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 64 | GrGpu* fGpu = GrGpu::Create(backend, context); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 65 | if (NULL != fGpu) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 66 | ctx = SkNEW_ARGS(GrContext, (fGpu)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 67 | fGpu->unref(); |
| 68 | } |
| 69 | return ctx; |
| 70 | } |
| 71 | |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 72 | namespace { |
| 73 | void* CreateThreadInstanceCount() { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 74 | return SkNEW_ARGS(int, (0)); |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 75 | } |
| 76 | void DeleteThreadInstanceCount(void* v) { |
| 77 | delete reinterpret_cast<int*>(v); |
| 78 | } |
| 79 | #define THREAD_INSTANCE_COUNT \ |
| 80 | (*reinterpret_cast<int*>(SkTLS::Get(CreateThreadInstanceCount, \ |
| 81 | DeleteThreadInstanceCount))) |
| 82 | |
| 83 | } |
| 84 | |
| 85 | int GrContext::GetThreadInstanceCount() { |
| 86 | return THREAD_INSTANCE_COUNT; |
| 87 | } |
| 88 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 89 | GrContext::~GrContext() { |
robertphillips@google.com | cdb426d | 2012-09-24 19:33:59 +0000 | [diff] [blame] | 90 | for (int i = 0; i < fCleanUpData.count(); ++i) { |
| 91 | (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo); |
| 92 | } |
| 93 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 94 | this->flush(); |
robertphillips@google.com | 5acc0e3 | 2012-05-17 12:01:02 +0000 | [diff] [blame] | 95 | |
| 96 | // Since the gpu can hold scratch textures, give it a chance to let go |
| 97 | // of them before freeing the texture cache |
| 98 | fGpu->purgeResources(); |
| 99 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 100 | delete fTextureCache; |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 101 | fTextureCache = NULL; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 102 | delete fFontCache; |
| 103 | delete fDrawBuffer; |
| 104 | delete fDrawBufferVBAllocPool; |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 105 | delete fDrawBufferIBAllocPool; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 106 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 107 | fAARectRenderer->unref(); |
| 108 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 109 | fGpu->unref(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 110 | GrSafeUnref(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 111 | GrSafeUnref(fSoftwarePathRenderer); |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 112 | fDrawState->unref(); |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 113 | |
| 114 | --THREAD_INSTANCE_COUNT; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 115 | } |
| 116 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 117 | void GrContext::contextLost() { |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 118 | contextDestroyed(); |
| 119 | this->setupDrawBuffer(); |
| 120 | } |
| 121 | |
| 122 | void GrContext::contextDestroyed() { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 123 | // abandon first to so destructors |
| 124 | // don't try to free the resources in the API. |
| 125 | fGpu->abandonResources(); |
| 126 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 127 | // a path renderer may be holding onto resources that |
| 128 | // are now unusable |
| 129 | GrSafeSetNull(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 130 | GrSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 131 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 132 | delete fDrawBuffer; |
| 133 | fDrawBuffer = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 134 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 135 | delete fDrawBufferVBAllocPool; |
| 136 | fDrawBufferVBAllocPool = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 137 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 138 | delete fDrawBufferIBAllocPool; |
| 139 | fDrawBufferIBAllocPool = NULL; |
| 140 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 141 | fAARectRenderer->reset(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 142 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 143 | fTextureCache->purgeAllUnlocked(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 144 | fFontCache->freeAll(); |
| 145 | fGpu->markContextDirty(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | void GrContext::resetContext() { |
| 149 | fGpu->markContextDirty(); |
| 150 | } |
| 151 | |
| 152 | void GrContext::freeGpuResources() { |
| 153 | this->flush(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 154 | |
robertphillips@google.com | ff17584 | 2012-05-14 19:31:39 +0000 | [diff] [blame] | 155 | fGpu->purgeResources(); |
| 156 | |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 157 | fAARectRenderer->reset(); |
| 158 | |
bsalomon@google.com | a292112 | 2012-08-28 12:34:17 +0000 | [diff] [blame] | 159 | fTextureCache->purgeAllUnlocked(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 160 | fFontCache->freeAll(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 161 | // a path renderer may be holding onto resources |
| 162 | GrSafeSetNull(fPathRendererChain); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 163 | GrSafeSetNull(fSoftwarePathRenderer); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 164 | } |
| 165 | |
twiz@google.com | 05e7024 | 2012-01-27 19:12:00 +0000 | [diff] [blame] | 166 | size_t GrContext::getGpuTextureCacheBytes() const { |
| 167 | return fTextureCache->getCachedResourceBytes(); |
| 168 | } |
| 169 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 170 | //////////////////////////////////////////////////////////////////////////////// |
| 171 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 172 | namespace { |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 173 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 174 | void scale_rect(SkRect* rect, float xScale, float yScale) { |
robertphillips@google.com | 5af5606 | 2012-04-27 15:39:52 +0000 | [diff] [blame] | 175 | rect->fLeft = SkScalarMul(rect->fLeft, SkFloatToScalar(xScale)); |
| 176 | rect->fTop = SkScalarMul(rect->fTop, SkFloatToScalar(yScale)); |
| 177 | rect->fRight = SkScalarMul(rect->fRight, SkFloatToScalar(xScale)); |
| 178 | rect->fBottom = SkScalarMul(rect->fBottom, SkFloatToScalar(yScale)); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 179 | } |
| 180 | |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 181 | float adjust_sigma(float sigma, int *scaleFactor, int *radius) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 182 | *scaleFactor = 1; |
| 183 | while (sigma > MAX_BLUR_SIGMA) { |
| 184 | *scaleFactor *= 2; |
| 185 | sigma *= 0.5f; |
| 186 | } |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 187 | *radius = static_cast<int>(ceilf(sigma * 3.0f)); |
| 188 | GrAssert(*radius <= GrConvolutionEffect::kMaxKernelRadius); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 189 | return sigma; |
| 190 | } |
| 191 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 192 | void convolve_gaussian(GrDrawTarget* target, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 193 | GrTexture* texture, |
| 194 | const SkRect& rect, |
| 195 | float sigma, |
| 196 | int radius, |
| 197 | Gr1DKernelEffect::Direction direction) { |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 198 | GrRenderTarget* rt = target->drawState()->getRenderTarget(); |
| 199 | GrDrawTarget::AutoStateRestore asr(target, GrDrawTarget::kReset_ASRInit); |
| 200 | GrDrawState* drawState = target->drawState(); |
| 201 | drawState->setRenderTarget(rt); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 202 | SkMatrix sampleM; |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 203 | sampleM.setIDiv(texture->width(), texture->height()); |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 204 | SkAutoTUnref<GrConvolutionEffect> conv(SkNEW_ARGS(GrConvolutionEffect, |
tomhudson@google.com | fde2c0a | 2012-07-16 12:23:32 +0000 | [diff] [blame] | 205 | (texture, direction, radius, |
| 206 | sigma))); |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 207 | drawState->stage(0)->setEffect(conv, sampleM); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 208 | target->drawSimpleRect(rect, NULL); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 209 | } |
| 210 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 211 | } |
| 212 | |
robertphillips@google.com | a9b0623 | 2012-08-30 11:06:31 +0000 | [diff] [blame] | 213 | |
| 214 | GrTexture* GrContext::findTexture(const GrCacheKey& key) { |
| 215 | return static_cast<GrTexture*>(fTextureCache->find(key.key())); |
| 216 | } |
| 217 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 218 | GrTexture* GrContext::findTexture(const GrTextureDesc& desc, |
| 219 | const GrCacheData& cacheData, |
| 220 | const GrTextureParams* params) { |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 221 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheData, false); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 222 | GrResource* resource = fTextureCache->find(resourceKey); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 223 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 224 | } |
| 225 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 226 | bool GrContext::isTextureInCache(const GrTextureDesc& desc, |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 227 | const GrCacheData& cacheData, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 228 | const GrTextureParams* params) const { |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 229 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheData, false); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 230 | return fTextureCache->hasKey(resourceKey); |
| 231 | } |
| 232 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 233 | void GrContext::addStencilBuffer(GrStencilBuffer* sb) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 234 | ASSERT_OWNED_RESOURCE(sb); |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 235 | |
| 236 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(sb->width(), |
| 237 | sb->height(), |
| 238 | sb->numSamples()); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 239 | fTextureCache->addResource(resourceKey, sb); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 240 | } |
| 241 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 242 | GrStencilBuffer* GrContext::findStencilBuffer(int width, int height, |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 243 | int sampleCnt) { |
robertphillips@google.com | 46a8600 | 2012-08-08 10:42:44 +0000 | [diff] [blame] | 244 | GrResourceKey resourceKey = GrStencilBuffer::ComputeKey(width, |
| 245 | height, |
| 246 | sampleCnt); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 247 | GrResource* resource = fTextureCache->find(resourceKey); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 248 | return static_cast<GrStencilBuffer*>(resource); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 249 | } |
| 250 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 251 | static void stretchImage(void* dst, |
| 252 | int dstW, |
| 253 | int dstH, |
| 254 | void* src, |
| 255 | int srcW, |
| 256 | int srcH, |
| 257 | int bpp) { |
| 258 | GrFixed dx = (srcW << 16) / dstW; |
| 259 | GrFixed dy = (srcH << 16) / dstH; |
| 260 | |
| 261 | GrFixed y = dy >> 1; |
| 262 | |
| 263 | int dstXLimit = dstW*bpp; |
| 264 | for (int j = 0; j < dstH; ++j) { |
| 265 | GrFixed x = dx >> 1; |
| 266 | void* srcRow = (uint8_t*)src + (y>>16)*srcW*bpp; |
| 267 | void* dstRow = (uint8_t*)dst + j*dstW*bpp; |
| 268 | for (int i = 0; i < dstXLimit; i += bpp) { |
| 269 | memcpy((uint8_t*) dstRow + i, |
| 270 | (uint8_t*) srcRow + (x>>16)*bpp, |
| 271 | bpp); |
| 272 | x += dx; |
| 273 | } |
| 274 | y += dy; |
| 275 | } |
| 276 | } |
| 277 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 278 | // 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] | 279 | // the current hardware. Resize the texture to be a POT |
| 280 | GrTexture* GrContext::createResizedTexture(const GrTextureDesc& desc, |
| 281 | const GrCacheData& cacheData, |
| 282 | void* srcData, |
| 283 | size_t rowBytes, |
| 284 | bool needsFiltering) { |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 285 | GrTexture* clampedTexture = this->findTexture(desc, cacheData, NULL); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 286 | if (NULL == clampedTexture) { |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 287 | clampedTexture = this->createTexture(NULL, desc, cacheData, srcData, rowBytes); |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 288 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 289 | GrAssert(NULL != clampedTexture); |
| 290 | if (NULL == clampedTexture) { |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 291 | return NULL; |
| 292 | } |
| 293 | } |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 294 | |
| 295 | clampedTexture->ref(); |
| 296 | |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 297 | GrTextureDesc rtDesc = desc; |
| 298 | rtDesc.fFlags = rtDesc.fFlags | |
| 299 | kRenderTarget_GrTextureFlagBit | |
| 300 | kNoStencil_GrTextureFlagBit; |
| 301 | rtDesc.fWidth = GrNextPow2(GrMax(desc.fWidth, 64)); |
| 302 | rtDesc.fHeight = GrNextPow2(GrMax(desc.fHeight, 64)); |
| 303 | |
| 304 | GrTexture* texture = fGpu->createTexture(rtDesc, NULL, 0); |
| 305 | |
| 306 | if (NULL != texture) { |
| 307 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
| 308 | GrDrawState* drawState = fGpu->drawState(); |
| 309 | drawState->setRenderTarget(texture->asRenderTarget()); |
| 310 | |
| 311 | // if filtering is not desired then we want to ensure all |
| 312 | // texels in the resampled image are copies of texels from |
| 313 | // the original. |
bsalomon@google.com | 1ce49fc | 2012-09-18 14:14:49 +0000 | [diff] [blame] | 314 | GrTextureParams params(SkShader::kClamp_TileMode, needsFiltering); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 315 | drawState->createTextureEffect(0, clampedTexture, SkMatrix::I(), params); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 316 | |
| 317 | static const GrVertexLayout layout = |
| 318 | GrDrawTarget::StageTexCoordVertexLayoutBit(0,0); |
| 319 | GrDrawTarget::AutoReleaseGeometry arg(fGpu, layout, 4, 0); |
| 320 | |
| 321 | if (arg.succeeded()) { |
| 322 | GrPoint* verts = (GrPoint*) arg.vertices(); |
| 323 | verts[0].setIRectFan(0, 0, |
| 324 | texture->width(), |
| 325 | texture->height(), |
| 326 | 2*sizeof(GrPoint)); |
| 327 | verts[1].setIRectFan(0, 0, 1, 1, 2*sizeof(GrPoint)); |
| 328 | fGpu->drawNonIndexed(kTriangleFan_GrPrimitiveType, |
| 329 | 0, 4); |
| 330 | } |
| 331 | texture->releaseRenderTarget(); |
| 332 | } else { |
| 333 | // TODO: Our CPU stretch doesn't filter. But we create separate |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 334 | // stretched textures when the texture params is either filtered or |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 335 | // not. Either implement filtered stretch blit on CPU or just create |
| 336 | // one when FBO case fails. |
| 337 | |
| 338 | rtDesc.fFlags = kNone_GrTextureFlags; |
| 339 | // no longer need to clamp at min RT size. |
| 340 | rtDesc.fWidth = GrNextPow2(desc.fWidth); |
| 341 | rtDesc.fHeight = GrNextPow2(desc.fHeight); |
| 342 | int bpp = GrBytesPerPixel(desc.fConfig); |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 343 | SkAutoSMalloc<128*128*4> stretchedPixels(bpp * rtDesc.fWidth * rtDesc.fHeight); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 344 | stretchImage(stretchedPixels.get(), rtDesc.fWidth, rtDesc.fHeight, |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 345 | srcData, desc.fWidth, desc.fHeight, bpp); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 346 | |
| 347 | size_t stretchedRowBytes = rtDesc.fWidth * bpp; |
| 348 | |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 349 | GrTexture* texture = fGpu->createTexture(rtDesc, stretchedPixels.get(), stretchedRowBytes); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 350 | GrAssert(NULL != texture); |
| 351 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 352 | |
robertphillips@google.com | 0d25eef | 2012-09-11 21:25:51 +0000 | [diff] [blame] | 353 | clampedTexture->unref(); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 354 | return texture; |
| 355 | } |
| 356 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 357 | GrTexture* GrContext::createTexture( |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 358 | const GrTextureParams* params, |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 359 | const GrTextureDesc& desc, |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 360 | const GrCacheData& cacheData, |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 361 | void* srcData, |
| 362 | size_t rowBytes) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 363 | SK_TRACE_EVENT0("GrContext::createAndLockTexture"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 364 | |
| 365 | #if GR_DUMP_TEXTURE_UPLOAD |
| 366 | GrPrintf("GrContext::createAndLockTexture [%d %d]\n", desc.fWidth, desc.fHeight); |
| 367 | #endif |
| 368 | |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 369 | GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheData, false); |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 370 | |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 371 | SkAutoTUnref<GrTexture> texture; |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 372 | if (GrTexture::NeedsResizing(resourceKey)) { |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 373 | texture.reset(this->createResizedTexture(desc, cacheData, |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 374 | srcData, rowBytes, |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 375 | GrTexture::NeedsFiltering(resourceKey))); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 376 | } else { |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 377 | texture.reset(fGpu->createTexture(desc, srcData, rowBytes)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 378 | } |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 379 | |
| 380 | if (NULL != texture) { |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 381 | fTextureCache->addResource(resourceKey, texture); |
robertphillips@google.com | 3319f33 | 2012-08-13 18:00:36 +0000 | [diff] [blame] | 382 | } |
| 383 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 384 | return texture; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 385 | } |
| 386 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 387 | GrTexture* GrContext::lockScratchTexture(const GrTextureDesc& inDesc, |
| 388 | ScratchTexMatch match) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 389 | GrTextureDesc desc = inDesc; |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 390 | GrCacheData cacheData(GrCacheData::kScratch_CacheID); |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 391 | |
rileya@google.com | 2afb8ec | 2012-08-23 14:08:57 +0000 | [diff] [blame] | 392 | GrAssert((desc.fFlags & kRenderTarget_GrTextureFlagBit) || |
| 393 | !(desc.fFlags & kNoStencil_GrTextureFlagBit)); |
| 394 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 395 | if (kExact_ScratchTexMatch != match) { |
| 396 | // bin by pow2 with a reasonable min |
| 397 | static const int MIN_SIZE = 256; |
| 398 | desc.fWidth = GrMax(MIN_SIZE, GrNextPow2(desc.fWidth)); |
| 399 | desc.fHeight = GrMax(MIN_SIZE, GrNextPow2(desc.fHeight)); |
| 400 | } |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 401 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 402 | GrResource* resource = NULL; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 403 | int origWidth = desc.fWidth; |
| 404 | int origHeight = desc.fHeight; |
| 405 | bool doubledW = false; |
| 406 | bool doubledH = false; |
| 407 | |
| 408 | do { |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 409 | GrResourceKey key = GrTexture::ComputeKey(fGpu, NULL, desc, cacheData, true); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 410 | // Ensure we have exclusive access to the texture so future 'find' calls don't return it |
| 411 | resource = fTextureCache->find(key, GrResourceCache::kHide_OwnershipFlag); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 412 | // if we miss, relax the fit of the flags... |
| 413 | // then try doubling width... then height. |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 414 | if (NULL != resource || kExact_ScratchTexMatch == match) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 415 | break; |
| 416 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 417 | // 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] | 418 | // situations where no RT is needed; doing otherwise can confuse the video driver and |
| 419 | // cause significant performance problems in some cases. |
| 420 | if (desc.fFlags & kNoStencil_GrTextureFlagBit) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 421 | desc.fFlags = desc.fFlags & ~kNoStencil_GrTextureFlagBit; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 422 | } else if (!doubledW) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 423 | desc.fFlags = inDesc.fFlags; |
| 424 | desc.fWidth *= 2; |
| 425 | doubledW = true; |
| 426 | } else if (!doubledH) { |
| 427 | desc.fFlags = inDesc.fFlags; |
| 428 | desc.fWidth = origWidth; |
| 429 | desc.fHeight *= 2; |
| 430 | doubledH = true; |
| 431 | } else { |
| 432 | break; |
| 433 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 434 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 435 | } while (true); |
| 436 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 437 | if (NULL == resource) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 438 | desc.fFlags = inDesc.fFlags; |
| 439 | desc.fWidth = origWidth; |
| 440 | desc.fHeight = origHeight; |
robertphillips@google.com | f2e93fc | 2012-09-05 19:44:18 +0000 | [diff] [blame] | 441 | SkAutoTUnref<GrTexture> texture(fGpu->createTexture(desc, NULL, 0)); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 442 | if (NULL != texture) { |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 443 | GrResourceKey key = GrTexture::ComputeKey(fGpu, NULL, |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 444 | texture->desc(), |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 445 | cacheData, |
robertphillips@google.com | a1e5795 | 2012-06-04 20:05:28 +0000 | [diff] [blame] | 446 | true); |
robertphillips@google.com | 209a114 | 2012-10-31 12:25:21 +0000 | [diff] [blame] | 447 | // Make the resource exclusive so future 'find' calls don't return it |
| 448 | fTextureCache->addResource(key, texture, GrResourceCache::kHide_OwnershipFlag); |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 449 | resource = texture; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 450 | } |
| 451 | } |
| 452 | |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 453 | return static_cast<GrTexture*>(resource); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 454 | } |
| 455 | |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 456 | void GrContext::addExistingTextureToCache(GrTexture* texture) { |
| 457 | |
| 458 | if (NULL == texture) { |
| 459 | return; |
| 460 | } |
| 461 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 462 | // This texture should already have a cache entry since it was once |
| 463 | // attached |
| 464 | GrAssert(NULL != texture->getCacheEntry()); |
robertphillips@google.com | 9c2ea84 | 2012-08-13 17:47:59 +0000 | [diff] [blame] | 465 | |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 466 | // Conceptually, the cache entry is going to assume responsibility |
| 467 | // for the creation ref. |
| 468 | GrAssert(1 == texture->getRefCnt()); |
| 469 | |
| 470 | // Since this texture came from an AutoScratchTexture it should |
| 471 | // still be in the exclusive pile |
| 472 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
| 473 | |
robertphillips@google.com | 50a035d | 2012-09-07 19:44:33 +0000 | [diff] [blame] | 474 | this->purgeCache(); |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 475 | } |
| 476 | |
robertphillips@google.com | a9b0623 | 2012-08-30 11:06:31 +0000 | [diff] [blame] | 477 | |
robertphillips@google.com | 9fbcad0 | 2012-09-09 14:44:15 +0000 | [diff] [blame] | 478 | void GrContext::unlockScratchTexture(GrTexture* texture) { |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 479 | ASSERT_OWNED_RESOURCE(texture); |
| 480 | GrAssert(NULL != texture->getCacheEntry()); |
| 481 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 482 | // If this is a scratch texture we detached it from the cache |
| 483 | // while it was locked (to avoid two callers simultaneously getting |
| 484 | // the same texture). |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 485 | if (GrTexture::IsScratchTexture(texture->getCacheEntry()->key())) { |
robertphillips@google.com | 521eaf8 | 2012-08-22 11:03:19 +0000 | [diff] [blame] | 486 | fTextureCache->makeNonExclusive(texture->getCacheEntry()); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 487 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 488 | |
robertphillips@google.com | 50a035d | 2012-09-07 19:44:33 +0000 | [diff] [blame] | 489 | this->purgeCache(); |
| 490 | } |
| 491 | |
| 492 | void GrContext::purgeCache() { |
robertphillips@google.com | eb9b3e1 | 2012-09-11 12:50:53 +0000 | [diff] [blame] | 493 | if (NULL != fTextureCache) { |
| 494 | fTextureCache->purgeAsNeeded(); |
| 495 | } |
robertphillips@google.com | 15c0fea | 2012-06-22 12:41:43 +0000 | [diff] [blame] | 496 | } |
| 497 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 498 | GrTexture* GrContext::createUncachedTexture(const GrTextureDesc& descIn, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 499 | void* srcData, |
| 500 | size_t rowBytes) { |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 501 | GrTextureDesc descCopy = descIn; |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 502 | return fGpu->createTexture(descCopy, srcData, rowBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 503 | } |
| 504 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 505 | void GrContext::getTextureCacheLimits(int* maxTextures, |
| 506 | size_t* maxTextureBytes) const { |
| 507 | fTextureCache->getLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 508 | } |
| 509 | |
bsalomon@google.com | 07fc0d1 | 2012-06-22 15:15:59 +0000 | [diff] [blame] | 510 | void GrContext::setTextureCacheLimits(int maxTextures, size_t maxTextureBytes) { |
| 511 | fTextureCache->setLimits(maxTextures, maxTextureBytes); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 512 | } |
| 513 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 514 | int GrContext::getMaxTextureSize() const { |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 515 | return fGpu->getCaps().maxTextureSize(); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 516 | } |
| 517 | |
| 518 | int GrContext::getMaxRenderTargetSize() const { |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 519 | return fGpu->getCaps().maxRenderTargetSize(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | /////////////////////////////////////////////////////////////////////////////// |
| 523 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 524 | GrTexture* GrContext::wrapBackendTexture(const GrBackendTextureDesc& desc) { |
| 525 | return fGpu->wrapBackendTexture(desc); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 526 | } |
| 527 | |
bsalomon@google.com | 16e3dde | 2012-10-25 18:43:28 +0000 | [diff] [blame] | 528 | GrRenderTarget* GrContext::wrapBackendRenderTarget(const GrBackendRenderTargetDesc& desc) { |
| 529 | return fGpu->wrapBackendRenderTarget(desc); |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 530 | } |
| 531 | |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 532 | /////////////////////////////////////////////////////////////////////////////// |
| 533 | |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 534 | bool GrContext::supportsIndex8PixelConfig(const GrTextureParams* params, |
bsalomon@google.com | 1f221a7 | 2011-08-23 20:54:07 +0000 | [diff] [blame] | 535 | int width, int height) const { |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 536 | const GrDrawTarget::Caps& caps = fGpu->getCaps(); |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 537 | if (!caps.eightBitPaletteSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 538 | return false; |
| 539 | } |
| 540 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 541 | bool isPow2 = GrIsPow2(width) && GrIsPow2(height); |
| 542 | |
| 543 | if (!isPow2) { |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 544 | bool tiled = NULL != params && params->isTiled(); |
bsalomon@google.com | f660187 | 2012-08-28 21:11:35 +0000 | [diff] [blame] | 545 | if (tiled && !caps.npotTextureTileSupport()) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 546 | return false; |
| 547 | } |
| 548 | } |
| 549 | return true; |
| 550 | } |
| 551 | |
| 552 | //////////////////////////////////////////////////////////////////////////////// |
| 553 | |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 554 | const GrClipData* GrContext::getClip() const { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 555 | return fGpu->getClip(); |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 556 | } |
bsalomon@google.com | 05ef510 | 2011-05-02 21:14:59 +0000 | [diff] [blame] | 557 | |
robertphillips@google.com | beb1af7 | 2012-07-26 18:52:16 +0000 | [diff] [blame] | 558 | void GrContext::setClip(const GrClipData* clipData) { |
| 559 | fGpu->setClip(clipData); |
robertphillips@google.com | 837ec43 | 2012-10-04 17:57:05 +0000 | [diff] [blame] | 560 | |
skia.committer@gmail.com | f467ce7 | 2012-10-09 02:01:37 +0000 | [diff] [blame] | 561 | fDrawState->setState(GrDrawState::kClip_StateBit, |
robertphillips@google.com | 183e34b | 2012-10-19 18:19:01 +0000 | [diff] [blame] | 562 | clipData && clipData->fClipStack && !clipData->fClipStack->isWideOpen()); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 563 | } |
| 564 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 565 | //////////////////////////////////////////////////////////////////////////////// |
| 566 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 567 | void GrContext::clear(const GrIRect* rect, |
| 568 | const GrColor color, |
robertphillips@google.com | c82a8b7 | 2012-06-21 20:15:48 +0000 | [diff] [blame] | 569 | GrRenderTarget* target) { |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 570 | this->prepareToDraw(NULL, DEFAULT_BUFFERING)->clear(rect, color, target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 571 | } |
| 572 | |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 573 | void GrContext::drawPaint(const GrPaint& origPaint) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 574 | // set rect to be big enough to fill the space, but not super-huge, so we |
| 575 | // don't overflow fixed-point implementations |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 576 | GrRect r; |
| 577 | r.setLTRB(0, 0, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 578 | SkIntToScalar(getRenderTarget()->width()), |
| 579 | SkIntToScalar(getRenderTarget()->height())); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 580 | SkMatrix inverse; |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 581 | SkTCopyOnFirstWrite<GrPaint> paint(origPaint); |
robertphillips@google.com | fea85ac | 2012-07-11 18:53:23 +0000 | [diff] [blame] | 582 | AutoMatrix am; |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 583 | |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 584 | // We attempt to map r by the inverse matrix and draw that. mapRect will |
| 585 | // map the four corners and bound them with a new rect. This will not |
| 586 | // produce a correct result for some perspective matrices. |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 587 | if (!this->getMatrix().hasPerspective()) { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 588 | if (!fDrawState->getViewInverse(&inverse)) { |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 589 | GrPrintf("Could not invert matrix\n"); |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 590 | return; |
| 591 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 592 | inverse.mapRect(&r); |
| 593 | } else { |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 594 | if (!am.setIdentity(this, paint.writable())) { |
| 595 | GrPrintf("Could not invert matrix\n"); |
| 596 | return; |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 597 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 598 | } |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 599 | // by definition this fills the entire clip, no need for AA |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 600 | if (paint->isAntiAlias()) { |
| 601 | paint.writable()->setAntiAlias(false); |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 602 | } |
bsalomon@google.com | 5dc26b9 | 2012-10-11 19:32:32 +0000 | [diff] [blame] | 603 | this->drawRect(*paint, r); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 604 | } |
| 605 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 606 | //////////////////////////////////////////////////////////////////////////////// |
| 607 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 608 | namespace { |
| 609 | inline bool disable_coverage_aa_for_blend(GrDrawTarget* target) { |
| 610 | return DISABLE_COVERAGE_AA_FOR_BLEND && !target->canApplyCoverage(); |
| 611 | } |
| 612 | } |
| 613 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 614 | //////////////////////////////////////////////////////////////////////////////// |
| 615 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 616 | /* create a triangle strip that strokes the specified triangle. There are 8 |
| 617 | unique vertices, but we repreat the last 2 to close up. Alternatively we |
| 618 | could use an indices array, and then only send 8 verts, but not sure that |
| 619 | would be faster. |
| 620 | */ |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 621 | static void setStrokeRectStrip(GrPoint verts[10], GrRect rect, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 622 | SkScalar width) { |
| 623 | const SkScalar rad = SkScalarHalf(width); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 624 | rect.sort(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 625 | |
| 626 | verts[0].set(rect.fLeft + rad, rect.fTop + rad); |
| 627 | verts[1].set(rect.fLeft - rad, rect.fTop - rad); |
| 628 | verts[2].set(rect.fRight - rad, rect.fTop + rad); |
| 629 | verts[3].set(rect.fRight + rad, rect.fTop - rad); |
| 630 | verts[4].set(rect.fRight - rad, rect.fBottom - rad); |
| 631 | verts[5].set(rect.fRight + rad, rect.fBottom + rad); |
| 632 | verts[6].set(rect.fLeft + rad, rect.fBottom - rad); |
| 633 | verts[7].set(rect.fLeft - rad, rect.fBottom + rad); |
| 634 | verts[8] = verts[0]; |
| 635 | verts[9] = verts[1]; |
| 636 | } |
| 637 | |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 638 | /** |
| 639 | * Returns true if the rects edges are integer-aligned. |
| 640 | */ |
| 641 | static bool isIRect(const GrRect& r) { |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 642 | return SkScalarIsInt(r.fLeft) && SkScalarIsInt(r.fTop) && |
| 643 | SkScalarIsInt(r.fRight) && SkScalarIsInt(r.fBottom); |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 644 | } |
| 645 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 646 | static bool apply_aa_to_rect(GrDrawTarget* target, |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 647 | const GrRect& rect, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 648 | SkScalar width, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 649 | const SkMatrix* matrix, |
| 650 | SkMatrix* combinedMatrix, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 651 | GrRect* devRect, |
| 652 | bool* useVertexCoverage) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 653 | // 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] | 654 | // 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] | 655 | // integer coords. |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 656 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 657 | // we are keeping around the "tweak the alpha" trick because |
| 658 | // it is our only hope for the fixed-pipe implementation. |
| 659 | // In a shader implementation we can give a separate coverage input |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 660 | // TODO: remove this ugliness when we drop the fixed-pipe impl |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 661 | *useVertexCoverage = false; |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 662 | if (!target->canTweakAlphaForCoverage()) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 663 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 664 | #if GR_DEBUG |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 665 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 666 | #endif |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 667 | return false; |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 668 | } else { |
| 669 | *useVertexCoverage = true; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 670 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 671 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 672 | const GrDrawState& drawState = target->getDrawState(); |
| 673 | if (drawState.getRenderTarget()->isMultisampled()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 674 | return false; |
| 675 | } |
| 676 | |
bsalomon@google.com | 471d471 | 2011-08-23 15:45:25 +0000 | [diff] [blame] | 677 | if (0 == width && target->willUseHWAALines()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 678 | return false; |
| 679 | } |
| 680 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 681 | if (!drawState.getViewMatrix().preservesAxisAlignment()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 682 | return false; |
| 683 | } |
| 684 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 685 | if (NULL != matrix && |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 686 | !matrix->preservesAxisAlignment()) { |
| 687 | return false; |
| 688 | } |
| 689 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 690 | *combinedMatrix = drawState.getViewMatrix(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 691 | if (NULL != matrix) { |
| 692 | combinedMatrix->preConcat(*matrix); |
| 693 | GrAssert(combinedMatrix->preservesAxisAlignment()); |
| 694 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 695 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 696 | combinedMatrix->mapRect(devRect, rect); |
| 697 | devRect->sort(); |
| 698 | |
| 699 | if (width < 0) { |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 700 | return !isIRect(*devRect); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 701 | } else { |
| 702 | return true; |
| 703 | } |
| 704 | } |
| 705 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 706 | void GrContext::drawRect(const GrPaint& paint, |
| 707 | const GrRect& rect, |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 708 | SkScalar width, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 709 | const SkMatrix* matrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 710 | SK_TRACE_EVENT0("GrContext::drawRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 711 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 712 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 713 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 714 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 715 | GrRect devRect = rect; |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 716 | SkMatrix combinedMatrix; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 717 | bool useVertexCoverage; |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 718 | bool needAA = paint.isAntiAlias() && |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 719 | !this->getRenderTarget()->isMultisampled(); |
| 720 | bool doAA = needAA && apply_aa_to_rect(target, rect, width, matrix, |
| 721 | &combinedMatrix, &devRect, |
| 722 | &useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 723 | |
| 724 | if (doAA) { |
bsalomon@google.com | 5b3e890 | 2012-10-05 20:13:28 +0000 | [diff] [blame] | 725 | GrDrawState::AutoDeviceCoordDraw adcd(target->drawState()); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 726 | if (!adcd.succeeded()) { |
| 727 | return; |
| 728 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 729 | if (width >= 0) { |
| 730 | GrVec strokeSize;; |
| 731 | if (width > 0) { |
| 732 | strokeSize.set(width, width); |
bsalomon@google.com | cc4dac3 | 2011-05-10 13:52:42 +0000 | [diff] [blame] | 733 | combinedMatrix.mapVectors(&strokeSize, 1); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 734 | strokeSize.setAbs(strokeSize); |
| 735 | } else { |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 736 | strokeSize.set(SK_Scalar1, SK_Scalar1); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 737 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 738 | fAARectRenderer->strokeAARect(this->getGpu(), target, devRect, |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 739 | strokeSize, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 740 | } else { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 741 | fAARectRenderer->fillAARect(this->getGpu(), target, |
robertphillips@google.com | f6747b0 | 2012-06-12 00:32:28 +0000 | [diff] [blame] | 742 | devRect, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 743 | } |
| 744 | return; |
| 745 | } |
| 746 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 747 | if (width >= 0) { |
| 748 | // TODO: consider making static vertex buffers for these cases. |
| 749 | // Hairline could be done by just adding closing vertex to |
| 750 | // unitSquareVertexBuffer() |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 751 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 752 | static const int worstCaseVertCount = 10; |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 753 | GrDrawTarget::AutoReleaseGeometry geo(target, 0, worstCaseVertCount, 0); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 754 | |
| 755 | if (!geo.succeeded()) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 756 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 757 | return; |
| 758 | } |
| 759 | |
| 760 | GrPrimitiveType primType; |
| 761 | int vertCount; |
| 762 | GrPoint* vertex = geo.positions(); |
| 763 | |
| 764 | if (width > 0) { |
| 765 | vertCount = 10; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 766 | primType = kTriangleStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 767 | setStrokeRectStrip(vertex, rect, width); |
| 768 | } else { |
| 769 | // hairline |
| 770 | vertCount = 5; |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 771 | primType = kLineStrip_GrPrimitiveType; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 772 | vertex[0].set(rect.fLeft, rect.fTop); |
| 773 | vertex[1].set(rect.fRight, rect.fTop); |
| 774 | vertex[2].set(rect.fRight, rect.fBottom); |
| 775 | vertex[3].set(rect.fLeft, rect.fBottom); |
| 776 | vertex[4].set(rect.fLeft, rect.fTop); |
| 777 | } |
| 778 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 779 | GrDrawState::AutoViewMatrixRestore avmr; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 780 | if (NULL != matrix) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 781 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | 2fdcdeb | 2012-10-08 17:15:55 +0000 | [diff] [blame] | 782 | avmr.set(drawState, *matrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 783 | } |
| 784 | |
| 785 | target->drawNonIndexed(primType, 0, vertCount); |
| 786 | } else { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 787 | #if GR_STATIC_RECT_VB |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 788 | const GrVertexBuffer* sqVB = fGpu->getUnitSquareVertexBuffer(); |
| 789 | if (NULL == sqVB) { |
| 790 | GrPrintf("Failed to create static rect vb.\n"); |
| 791 | return; |
| 792 | } |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 793 | target->setVertexSourceToBuffer(0, sqVB); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 794 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 795 | SkMatrix m; |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 796 | m.setAll(rect.width(), 0, rect.fLeft, |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 797 | 0, rect.height(), rect.fTop, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 798 | 0, 0, SkMatrix::I()[8]); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 799 | |
| 800 | if (NULL != matrix) { |
| 801 | m.postConcat(*matrix); |
| 802 | } |
bsalomon@google.com | 2fdcdeb | 2012-10-08 17:15:55 +0000 | [diff] [blame] | 803 | GrDrawState::AutoViewMatrixRestore avmr(drawState, m); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 804 | |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 805 | target->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 806 | #else |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 807 | target->drawSimpleRect(rect, matrix); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 808 | #endif |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 809 | } |
| 810 | } |
| 811 | |
| 812 | void GrContext::drawRectToRect(const GrPaint& paint, |
| 813 | const GrRect& dstRect, |
| 814 | const GrRect& srcRect, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 815 | const SkMatrix* dstMatrix, |
| 816 | const SkMatrix* srcMatrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 817 | SK_TRACE_EVENT0("GrContext::drawRectToRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 818 | |
bsalomon@google.com | 88becf4 | 2012-10-05 14:54:42 +0000 | [diff] [blame] | 819 | // srcRect refers to paint's first color stage |
| 820 | if (!paint.isColorStageEnabled(0)) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 821 | drawRect(paint, dstRect, -1, dstMatrix); |
| 822 | return; |
| 823 | } |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 824 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 825 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 826 | |
| 827 | #if GR_STATIC_RECT_VB |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 828 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 829 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 830 | |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 831 | SkMatrix m; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 832 | |
| 833 | m.setAll(dstRect.width(), 0, dstRect.fLeft, |
| 834 | 0, dstRect.height(), dstRect.fTop, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 835 | 0, 0, SkMatrix::I()[8]); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 836 | if (NULL != dstMatrix) { |
| 837 | m.postConcat(*dstMatrix); |
| 838 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 839 | |
bsalomon@google.com | 2fdcdeb | 2012-10-08 17:15:55 +0000 | [diff] [blame] | 840 | // The first color stage's coords come from srcRect rather than applying a matrix to dstRect. |
| 841 | // We explicitly compute a matrix for that stage below, no need to adjust here. |
| 842 | static const uint32_t kExplicitCoordMask = 1 << GrPaint::kFirstColorStage; |
| 843 | GrDrawState::AutoViewMatrixRestore avmr(drawState, m, kExplicitCoordMask); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 844 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 845 | m.setAll(srcRect.width(), 0, srcRect.fLeft, |
| 846 | 0, srcRect.height(), srcRect.fTop, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 847 | 0, 0, SkMatrix::I()[8]); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 848 | if (NULL != srcMatrix) { |
| 849 | m.postConcat(*srcMatrix); |
| 850 | } |
robertphillips@google.com | ee0b693 | 2012-10-18 00:17:53 +0000 | [diff] [blame] | 851 | |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 852 | drawState->stage(GrPaint::kFirstColorStage)->preConcatCoordChange(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 853 | |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 854 | const GrVertexBuffer* sqVB = fGpu->getUnitSquareVertexBuffer(); |
| 855 | if (NULL == sqVB) { |
| 856 | GrPrintf("Failed to create static rect vb.\n"); |
| 857 | return; |
| 858 | } |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 859 | target->setVertexSourceToBuffer(0, sqVB); |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 860 | target->drawNonIndexed(kTriangleFan_GrPrimitiveType, 0, 4); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 861 | #else |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 862 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 863 | |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 864 | const GrRect* srcRects[GrDrawState::kNumStages] = {NULL}; |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 865 | const SkMatrix* srcMatrices[GrDrawState::kNumStages] = {NULL}; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 866 | srcRects[0] = &srcRect; |
| 867 | srcMatrices[0] = srcMatrix; |
| 868 | |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 869 | target->drawRect(dstRect, dstMatrix, srcRects, srcMatrices); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 870 | #endif |
| 871 | } |
| 872 | |
| 873 | void GrContext::drawVertices(const GrPaint& paint, |
| 874 | GrPrimitiveType primitiveType, |
| 875 | int vertexCount, |
| 876 | const GrPoint positions[], |
| 877 | const GrPoint texCoords[], |
| 878 | const GrColor colors[], |
| 879 | const uint16_t indices[], |
| 880 | int indexCount) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 881 | SK_TRACE_EVENT0("GrContext::drawVertices"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 882 | |
| 883 | GrDrawTarget::AutoReleaseGeometry geo; |
| 884 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 885 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 886 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 887 | |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 888 | GrVertexLayout layout = 0; |
| 889 | if (NULL != texCoords) { |
| 890 | layout |= GrDrawTarget::StageTexCoordVertexLayoutBit(0, 0); |
| 891 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 892 | if (NULL != colors) { |
| 893 | layout |= GrDrawTarget::kColor_VertexLayoutBit; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 894 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 895 | int vertexSize = GrDrawTarget::VertexSize(layout); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 896 | |
| 897 | if (sizeof(GrPoint) != vertexSize) { |
| 898 | if (!geo.set(target, layout, vertexCount, 0)) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 899 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 900 | return; |
| 901 | } |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 902 | int texOffsets[GrDrawState::kMaxTexCoords]; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 903 | int colorOffset; |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 904 | GrDrawTarget::VertexSizeAndOffsetsByIdx(layout, |
| 905 | texOffsets, |
bsalomon@google.com | aeb2160 | 2011-08-30 18:13:44 +0000 | [diff] [blame] | 906 | &colorOffset, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 907 | NULL, |
| 908 | NULL); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 909 | void* curVertex = geo.vertices(); |
| 910 | |
| 911 | for (int i = 0; i < vertexCount; ++i) { |
| 912 | *((GrPoint*)curVertex) = positions[i]; |
| 913 | |
| 914 | if (texOffsets[0] > 0) { |
| 915 | *(GrPoint*)((intptr_t)curVertex + texOffsets[0]) = texCoords[i]; |
| 916 | } |
| 917 | if (colorOffset > 0) { |
| 918 | *(GrColor*)((intptr_t)curVertex + colorOffset) = colors[i]; |
| 919 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 920 | curVertex = (void*)((intptr_t)curVertex + vertexSize); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 921 | } |
| 922 | } else { |
| 923 | target->setVertexSourceToArray(layout, positions, vertexCount); |
| 924 | } |
| 925 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 926 | // 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] | 927 | // management of GrDrawTarget's geometry to avoid copying points per-tile. |
bsalomon@google.com | a47a48d | 2011-04-26 20:22:11 +0000 | [diff] [blame] | 928 | |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 929 | if (NULL != indices) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 930 | target->setIndexSourceToArray(indices, indexCount); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 931 | target->drawIndexed(primitiveType, 0, 0, vertexCount, indexCount); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 932 | } else { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 933 | target->drawNonIndexed(primitiveType, 0, vertexCount); |
| 934 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 935 | } |
| 936 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 937 | /////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 938 | namespace { |
| 939 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 940 | struct CircleVertex { |
| 941 | GrPoint fPos; |
| 942 | GrPoint fCenter; |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 943 | SkScalar fOuterRadius; |
| 944 | SkScalar fInnerRadius; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 945 | }; |
| 946 | |
| 947 | /* Returns true if will map a circle to another circle. This can be true |
| 948 | * if the matrix only includes square-scale, rotation, translation. |
| 949 | */ |
| 950 | inline bool isSimilarityTransformation(const SkMatrix& matrix, |
| 951 | SkScalar tol = SK_ScalarNearlyZero) { |
| 952 | if (matrix.isIdentity() || matrix.getType() == SkMatrix::kTranslate_Mask) { |
| 953 | return true; |
| 954 | } |
| 955 | if (matrix.hasPerspective()) { |
| 956 | return false; |
| 957 | } |
| 958 | |
| 959 | SkScalar mx = matrix.get(SkMatrix::kMScaleX); |
| 960 | SkScalar sx = matrix.get(SkMatrix::kMSkewX); |
| 961 | SkScalar my = matrix.get(SkMatrix::kMScaleY); |
| 962 | SkScalar sy = matrix.get(SkMatrix::kMSkewY); |
| 963 | |
| 964 | if (mx == 0 && sx == 0 && my == 0 && sy == 0) { |
| 965 | return false; |
| 966 | } |
| 967 | |
| 968 | // it has scales or skews, but it could also be rotation, check it out. |
| 969 | SkVector vec[2]; |
| 970 | vec[0].set(mx, sx); |
| 971 | vec[1].set(sy, my); |
| 972 | |
| 973 | return SkScalarNearlyZero(vec[0].dot(vec[1]), SkScalarSquare(tol)) && |
| 974 | SkScalarNearlyEqual(vec[0].lengthSqd(), vec[1].lengthSqd(), |
| 975 | SkScalarSquare(tol)); |
| 976 | } |
| 977 | |
| 978 | } |
| 979 | |
| 980 | // TODO: strokeWidth can't be larger than zero right now. |
| 981 | // It will be fixed when drawPath() can handle strokes. |
| 982 | void GrContext::drawOval(const GrPaint& paint, |
| 983 | const GrRect& rect, |
| 984 | SkScalar strokeWidth) { |
bsalomon@google.com | 0982d35 | 2012-07-31 15:33:25 +0000 | [diff] [blame] | 985 | GrAssert(strokeWidth <= 0); |
| 986 | if (!isSimilarityTransformation(this->getMatrix()) || |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 987 | !paint.isAntiAlias() || |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 988 | rect.height() != rect.width()) { |
| 989 | SkPath path; |
| 990 | path.addOval(rect); |
| 991 | GrPathFill fill = (strokeWidth == 0) ? |
bsalomon@google.com | 0982d35 | 2012-07-31 15:33:25 +0000 | [diff] [blame] | 992 | kHairLine_GrPathFill : kWinding_GrPathFill; |
bsalomon@google.com | 0f11e1a | 2012-10-08 14:48:36 +0000 | [diff] [blame] | 993 | this->internalDrawPath(paint, path, fill); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 994 | return; |
| 995 | } |
| 996 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 997 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
| 998 | |
bsalomon@google.com | 0982d35 | 2012-07-31 15:33:25 +0000 | [diff] [blame] | 999 | GrDrawState* drawState = target->drawState(); |
| 1000 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1001 | const SkMatrix vm = drawState->getViewMatrix(); |
bsalomon@google.com | 0982d35 | 2012-07-31 15:33:25 +0000 | [diff] [blame] | 1002 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1003 | const GrRenderTarget* rt = drawState->getRenderTarget(); |
| 1004 | if (NULL == rt) { |
| 1005 | return; |
| 1006 | } |
| 1007 | |
bsalomon@google.com | 5b3e890 | 2012-10-05 20:13:28 +0000 | [diff] [blame] | 1008 | GrDrawState::AutoDeviceCoordDraw adcd(drawState); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 1009 | if (!adcd.succeeded()) { |
| 1010 | return; |
| 1011 | } |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1012 | |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 1013 | GrVertexLayout layout = GrDrawTarget::kEdge_VertexLayoutBit; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1014 | GrAssert(sizeof(CircleVertex) == GrDrawTarget::VertexSize(layout)); |
| 1015 | |
| 1016 | GrPoint center = GrPoint::Make(rect.centerX(), rect.centerY()); |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 1017 | SkScalar radius = SkScalarHalf(rect.width()); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1018 | |
| 1019 | vm.mapPoints(¢er, 1); |
| 1020 | radius = vm.mapRadius(radius); |
| 1021 | |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 1022 | SkScalar outerRadius = radius; |
| 1023 | SkScalar innerRadius = 0; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1024 | SkScalar halfWidth = 0; |
| 1025 | if (strokeWidth == 0) { |
| 1026 | halfWidth = SkScalarHalf(SK_Scalar1); |
| 1027 | |
| 1028 | outerRadius += halfWidth; |
| 1029 | innerRadius = SkMaxScalar(0, radius - halfWidth); |
| 1030 | } |
| 1031 | |
| 1032 | GrDrawTarget::AutoReleaseGeometry geo(target, layout, 4, 0); |
| 1033 | if (!geo.succeeded()) { |
| 1034 | GrPrintf("Failed to get space for vertices!\n"); |
| 1035 | return; |
| 1036 | } |
| 1037 | |
| 1038 | CircleVertex* verts = reinterpret_cast<CircleVertex*>(geo.vertices()); |
| 1039 | |
robertphillips@google.com | a0a66c1 | 2012-06-22 13:14:29 +0000 | [diff] [blame] | 1040 | // The fragment shader will extend the radius out half a pixel |
| 1041 | // to antialias. Expand the drawn rect here so all the pixels |
| 1042 | // will be captured. |
| 1043 | SkScalar L = center.fX - outerRadius - SkFloatToScalar(0.5f); |
| 1044 | SkScalar R = center.fX + outerRadius + SkFloatToScalar(0.5f); |
| 1045 | SkScalar T = center.fY - outerRadius - SkFloatToScalar(0.5f); |
| 1046 | SkScalar B = center.fY + outerRadius + SkFloatToScalar(0.5f); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1047 | |
| 1048 | verts[0].fPos = SkPoint::Make(L, T); |
| 1049 | verts[1].fPos = SkPoint::Make(R, T); |
| 1050 | verts[2].fPos = SkPoint::Make(L, B); |
| 1051 | verts[3].fPos = SkPoint::Make(R, B); |
| 1052 | |
| 1053 | for (int i = 0; i < 4; ++i) { |
bsalomon@google.com | 706f668 | 2012-10-23 14:53:55 +0000 | [diff] [blame] | 1054 | verts[i].fCenter = center; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1055 | verts[i].fOuterRadius = outerRadius; |
| 1056 | verts[i].fInnerRadius = innerRadius; |
| 1057 | } |
| 1058 | |
| 1059 | drawState->setVertexEdgeType(GrDrawState::kCircle_EdgeType); |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1060 | target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4); |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1061 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1062 | |
bsalomon@google.com | 0f11e1a | 2012-10-08 14:48:36 +0000 | [diff] [blame] | 1063 | void GrContext::drawPath(const GrPaint& paint, const SkPath& path, GrPathFill fill) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1064 | |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1065 | if (path.isEmpty()) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1066 | if (GrIsFillInverted(fill)) { |
| 1067 | this->drawPaint(paint); |
| 1068 | } |
| 1069 | return; |
| 1070 | } |
| 1071 | |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1072 | SkRect ovalRect; |
| 1073 | if (!GrIsFillInverted(fill) && path.isOval(&ovalRect)) { |
bsalomon@google.com | 4705954 | 2012-06-06 20:51:20 +0000 | [diff] [blame] | 1074 | SkScalar width = (fill == kHairLine_GrPathFill) ? 0 : -SK_Scalar1; |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1075 | this->drawOval(paint, ovalRect, width); |
| 1076 | return; |
| 1077 | } |
| 1078 | |
bsalomon@google.com | 0f11e1a | 2012-10-08 14:48:36 +0000 | [diff] [blame] | 1079 | this->internalDrawPath(paint, path, fill); |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1080 | } |
| 1081 | |
bsalomon@google.com | 0f11e1a | 2012-10-08 14:48:36 +0000 | [diff] [blame] | 1082 | void GrContext::internalDrawPath(const GrPaint& paint, const SkPath& path, GrPathFill fill) { |
bsalomon@google.com | 93c9660 | 2012-04-27 13:05:21 +0000 | [diff] [blame] | 1083 | |
bsalomon@google.com | fb4ce6f | 2012-03-14 13:27:54 +0000 | [diff] [blame] | 1084 | // Note that below we may sw-rasterize the path into a scratch texture. |
| 1085 | // Scratch textures can be recycled after they are returned to the texture |
| 1086 | // cache. This presents a potential hazard for buffered drawing. However, |
| 1087 | // the writePixels that uploads to the scratch will perform a flush so we're |
| 1088 | // OK. |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1089 | GrDrawTarget* target = this->prepareToDraw(&paint, DEFAULT_BUFFERING); |
tomhudson@google.com | 7d6afdd | 2012-06-22 20:10:50 +0000 | [diff] [blame] | 1090 | GrDrawState::AutoStageDisable atr(fDrawState); |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1091 | |
bsalomon@google.com | c7448ce | 2012-10-05 19:04:13 +0000 | [diff] [blame] | 1092 | bool prAA = paint.isAntiAlias() && !this->getRenderTarget()->isMultisampled(); |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1093 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1094 | // An Assumption here is that path renderer would use some form of tweaking |
| 1095 | // the src color (either the input alpha or in the frag shader) to implement |
| 1096 | // aa. If we have some future driver-mojo path AA that can do the right |
| 1097 | // thing WRT to the blend then we'll need some query on the PR. |
| 1098 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1099 | #if GR_DEBUG |
bsalomon@google.com | 979432b | 2011-11-05 21:38:22 +0000 | [diff] [blame] | 1100 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1101 | #endif |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1102 | prAA = false; |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1103 | } |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1104 | |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1105 | GrPathRenderer* pr = this->getPathRenderer(path, fill, target, prAA, true); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1106 | if (NULL == pr) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1107 | #if GR_DEBUG |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1108 | GrPrintf("Unable to find path renderer compatible with path.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1109 | #endif |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1110 | return; |
| 1111 | } |
| 1112 | |
bsalomon@google.com | 0f11e1a | 2012-10-08 14:48:36 +0000 | [diff] [blame] | 1113 | pr->drawPath(path, fill, target, prAA); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1114 | } |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1115 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1116 | //////////////////////////////////////////////////////////////////////////////// |
| 1117 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1118 | void GrContext::flush(int flagsBitfield) { |
| 1119 | if (kDiscard_FlushBit & flagsBitfield) { |
| 1120 | fDrawBuffer->reset(); |
| 1121 | } else { |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1122 | this->flushDrawBuffer(); |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1123 | } |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1124 | if (kForceCurrentRenderTarget_FlushBit & flagsBitfield) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1125 | fGpu->forceRenderTargetFlush(); |
| 1126 | } |
| 1127 | } |
| 1128 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1129 | void GrContext::flushDrawBuffer() { |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 1130 | if (fDrawBuffer) { |
robertphillips@google.com | 58b3818 | 2012-05-03 16:29:41 +0000 | [diff] [blame] | 1131 | // With addition of the AA clip path, flushing the draw buffer can |
| 1132 | // result in the generation of an AA clip mask. During this |
| 1133 | // process the SW path renderer may be invoked which recusively |
| 1134 | // calls this method (via internalWriteTexturePixels) creating |
| 1135 | // infinite recursion |
| 1136 | GrInOrderDrawBuffer* temp = fDrawBuffer; |
| 1137 | fDrawBuffer = NULL; |
| 1138 | |
| 1139 | temp->flushTo(fGpu); |
| 1140 | |
| 1141 | fDrawBuffer = temp; |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 1142 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1143 | } |
| 1144 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1145 | void GrContext::writeTexturePixels(GrTexture* texture, |
| 1146 | int left, int top, int width, int height, |
| 1147 | GrPixelConfig config, const void* buffer, size_t rowBytes, |
| 1148 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1149 | SK_TRACE_EVENT0("GrContext::writeTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1150 | ASSERT_OWNED_RESOURCE(texture); |
| 1151 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1152 | // TODO: use scratch texture to perform conversion |
| 1153 | if (kUnpremul_PixelOpsFlag & flags) { |
| 1154 | return; |
| 1155 | } |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1156 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1157 | this->flush(); |
| 1158 | } |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1159 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1160 | fGpu->writeTexturePixels(texture, left, top, width, height, |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1161 | config, buffer, rowBytes); |
| 1162 | } |
| 1163 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1164 | bool GrContext::readTexturePixels(GrTexture* texture, |
| 1165 | int left, int top, int width, int height, |
| 1166 | GrPixelConfig config, void* buffer, size_t rowBytes, |
| 1167 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1168 | SK_TRACE_EVENT0("GrContext::readTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1169 | ASSERT_OWNED_RESOURCE(texture); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1170 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1171 | // TODO: code read pixels for textures that aren't also rendertargets |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1172 | GrRenderTarget* target = texture->asRenderTarget(); |
| 1173 | if (NULL != target) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1174 | return this->readRenderTargetPixels(target, |
| 1175 | left, top, width, height, |
| 1176 | config, buffer, rowBytes, |
| 1177 | flags); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1178 | } else { |
| 1179 | return false; |
| 1180 | } |
| 1181 | } |
| 1182 | |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1183 | #include "SkConfig8888.h" |
| 1184 | |
| 1185 | namespace { |
| 1186 | /** |
| 1187 | * Converts a GrPixelConfig to a SkCanvas::Config8888. Only byte-per-channel |
| 1188 | * formats are representable as Config8888 and so the function returns false |
| 1189 | * if the GrPixelConfig has no equivalent Config8888. |
| 1190 | */ |
| 1191 | bool grconfig_to_config8888(GrPixelConfig config, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1192 | bool unpremul, |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1193 | SkCanvas::Config8888* config8888) { |
| 1194 | switch (config) { |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1195 | case kRGBA_8888_GrPixelConfig: |
| 1196 | if (unpremul) { |
| 1197 | *config8888 = SkCanvas::kRGBA_Unpremul_Config8888; |
| 1198 | } else { |
| 1199 | *config8888 = SkCanvas::kRGBA_Premul_Config8888; |
| 1200 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1201 | return true; |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1202 | case kBGRA_8888_GrPixelConfig: |
| 1203 | if (unpremul) { |
| 1204 | *config8888 = SkCanvas::kBGRA_Unpremul_Config8888; |
| 1205 | } else { |
| 1206 | *config8888 = SkCanvas::kBGRA_Premul_Config8888; |
| 1207 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1208 | return true; |
| 1209 | default: |
| 1210 | return false; |
| 1211 | } |
| 1212 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1213 | |
| 1214 | // It returns a configuration with where the byte position of the R & B components are swapped in |
| 1215 | // relation to the input config. This should only be called with the result of |
| 1216 | // grconfig_to_config8888 as it will fail for other configs. |
| 1217 | SkCanvas::Config8888 swap_config8888_red_and_blue(SkCanvas::Config8888 config8888) { |
| 1218 | switch (config8888) { |
| 1219 | case SkCanvas::kBGRA_Premul_Config8888: |
| 1220 | return SkCanvas::kRGBA_Premul_Config8888; |
| 1221 | case SkCanvas::kBGRA_Unpremul_Config8888: |
| 1222 | return SkCanvas::kRGBA_Unpremul_Config8888; |
| 1223 | case SkCanvas::kRGBA_Premul_Config8888: |
| 1224 | return SkCanvas::kBGRA_Premul_Config8888; |
| 1225 | case SkCanvas::kRGBA_Unpremul_Config8888: |
| 1226 | return SkCanvas::kBGRA_Unpremul_Config8888; |
| 1227 | default: |
| 1228 | GrCrash("Unexpected input"); |
| 1229 | return SkCanvas::kBGRA_Unpremul_Config8888;; |
| 1230 | } |
| 1231 | } |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame] | 1232 | } |
| 1233 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1234 | bool GrContext::readRenderTargetPixels(GrRenderTarget* target, |
| 1235 | int left, int top, int width, int height, |
| 1236 | GrPixelConfig config, void* buffer, size_t rowBytes, |
| 1237 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1238 | SK_TRACE_EVENT0("GrContext::readRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1239 | ASSERT_OWNED_RESOURCE(target); |
| 1240 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1241 | if (NULL == target) { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1242 | target = fDrawState->getRenderTarget(); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1243 | if (NULL == target) { |
| 1244 | return false; |
| 1245 | } |
| 1246 | } |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1247 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1248 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1249 | this->flush(); |
| 1250 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1251 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1252 | // 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] | 1253 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1254 | // If fGpu->readPixels would incur a y-flip cost then we will read the pixels upside down. We'll |
| 1255 | // either do the flipY by drawing into a scratch with a matrix or on the cpu after the read. |
| 1256 | bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top, |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1257 | width, height, config, |
| 1258 | rowBytes); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1259 | bool swapRAndB = fGpu->preferredReadPixelsConfig(config) == GrPixelConfigSwapRAndB(config); |
| 1260 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1261 | bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1262 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1263 | // flipY will get set to false when it is handled below using a scratch. However, in that case |
| 1264 | // we still want to do the read upside down. |
| 1265 | bool readUpsideDown = flipY; |
| 1266 | |
| 1267 | if (unpremul && kRGBA_8888_GrPixelConfig != config && kBGRA_8888_GrPixelConfig != config) { |
| 1268 | // The unpremul flag is only allowed for these two configs. |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1269 | return false; |
| 1270 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1271 | |
| 1272 | GrPixelConfig readConfig; |
| 1273 | if (swapRAndB) { |
| 1274 | readConfig = GrPixelConfigSwapRAndB(config); |
| 1275 | GrAssert(kUnknown_GrPixelConfig != config); |
| 1276 | } else { |
| 1277 | readConfig = config; |
| 1278 | } |
| 1279 | |
| 1280 | // If the src is a texture and we would have to do conversions after read pixels, we instead |
| 1281 | // do the conversions by drawing the src to a scratch texture. If we handle any of the |
| 1282 | // conversions in the draw we set the corresponding bool to false so that we don't reapply it |
| 1283 | // on the read back pixels. |
| 1284 | GrTexture* src = target->asTexture(); |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1285 | GrAutoScratchTexture ast; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1286 | if (NULL != src && (swapRAndB || unpremul || flipY)) { |
| 1287 | // Make the scratch a render target because we don't have a robust readTexturePixels as of |
| 1288 | // yet. It calls this function. |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1289 | GrTextureDesc desc; |
| 1290 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 1291 | desc.fWidth = width; |
| 1292 | desc.fHeight = height; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1293 | desc.fConfig = readConfig; |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1294 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1295 | // When a full readback is faster than a partial we could always make the scratch exactly |
| 1296 | // match the passed rect. However, if we see many different size rectangles we will trash |
| 1297 | // our texture cache and pay the cost of creating and destroying many textures. So, we only |
| 1298 | // 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] | 1299 | ScratchTexMatch match = kApprox_ScratchTexMatch; |
| 1300 | if (0 == left && |
| 1301 | 0 == top && |
| 1302 | target->width() == width && |
| 1303 | target->height() == height && |
| 1304 | fGpu->fullReadPixelsIsFasterThanPartial()) { |
| 1305 | match = kExact_ScratchTexMatch; |
| 1306 | } |
| 1307 | ast.set(this, desc, match); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1308 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1309 | if (texture) { |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1310 | GrEffectStage stage; |
| 1311 | // compute a matrix to perform the draw |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1312 | SkMatrix textureMatrix; |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1313 | if (flipY) { |
| 1314 | textureMatrix.setTranslate(SK_Scalar1 * left, |
| 1315 | SK_Scalar1 * (top + height)); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1316 | textureMatrix.set(SkMatrix::kMScaleY, -SK_Scalar1); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1317 | } else { |
| 1318 | textureMatrix.setTranslate(SK_Scalar1 *left, SK_Scalar1 *top); |
| 1319 | } |
| 1320 | textureMatrix.postIDiv(src->width(), src->height()); |
| 1321 | |
| 1322 | bool effectInstalled = false; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1323 | if (unpremul) { |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1324 | if (this->installPMToUPMEffect(src, swapRAndB, textureMatrix, &stage)) { |
| 1325 | effectInstalled = true; |
| 1326 | unpremul = false; // we no longer need to do this on CPU after the readback. |
| 1327 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1328 | } |
| 1329 | // If we failed to create a PM->UPM effect and have no other conversions to perform then |
| 1330 | // there is no longer any point to using the scratch. |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1331 | if (effectInstalled || flipY || swapRAndB) { |
| 1332 | if (!effectInstalled) { |
| 1333 | SkAssertResult(GrConfigConversionEffect::InstallEffect( |
| 1334 | src, |
| 1335 | swapRAndB, |
| 1336 | GrConfigConversionEffect::kNone_PMConversion, |
| 1337 | textureMatrix, |
| 1338 | &stage)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1339 | } |
| 1340 | swapRAndB = false; // we will handle the swap in the draw. |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1341 | flipY = false; // we already incorporated the y flip in the matrix |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1342 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1343 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
| 1344 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1345 | *drawState->stage(0) = stage; |
| 1346 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1347 | drawState->setRenderTarget(texture->asRenderTarget()); |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 1348 | GrRect rect = GrRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1349 | fGpu->drawSimpleRect(rect, NULL); |
| 1350 | // we want to read back from the scratch's origin |
| 1351 | left = 0; |
| 1352 | top = 0; |
| 1353 | target = texture->asRenderTarget(); |
| 1354 | } |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1355 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1356 | } |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1357 | if (!fGpu->readPixels(target, |
| 1358 | left, top, width, height, |
| 1359 | readConfig, buffer, rowBytes, readUpsideDown)) { |
| 1360 | return false; |
| 1361 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1362 | // Perform any conversions we weren't able to perform using a scratch texture. |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1363 | if (unpremul || swapRAndB || flipY) { |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1364 | // These are initialized to suppress a warning |
| 1365 | SkCanvas::Config8888 srcC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1366 | SkCanvas::Config8888 dstC8888 = SkCanvas::kNative_Premul_Config8888; |
| 1367 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1368 | bool c8888IsValid = grconfig_to_config8888(config, false, &srcC8888); |
| 1369 | grconfig_to_config8888(config, unpremul, &dstC8888); |
bsalomon@google.com | ccaa002 | 2012-09-25 19:55:07 +0000 | [diff] [blame] | 1370 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1371 | if (swapRAndB) { |
| 1372 | GrAssert(c8888IsValid); // we should only do r/b swap on 8888 configs |
| 1373 | srcC8888 = swap_config8888_red_and_blue(srcC8888); |
| 1374 | } |
| 1375 | if (flipY) { |
| 1376 | size_t tightRB = width * GrBytesPerPixel(config); |
| 1377 | if (0 == rowBytes) { |
| 1378 | rowBytes = tightRB; |
| 1379 | } |
| 1380 | SkAutoSTMalloc<256, uint8_t> tempRow(tightRB); |
| 1381 | intptr_t top = reinterpret_cast<intptr_t>(buffer); |
| 1382 | intptr_t bot = top + (height - 1) * rowBytes; |
| 1383 | while (top < bot) { |
| 1384 | uint32_t* t = reinterpret_cast<uint32_t*>(top); |
| 1385 | uint32_t* b = reinterpret_cast<uint32_t*>(bot); |
| 1386 | uint32_t* temp = reinterpret_cast<uint32_t*>(tempRow.get()); |
| 1387 | memcpy(temp, t, tightRB); |
| 1388 | if (c8888IsValid) { |
| 1389 | SkConvertConfig8888Pixels(t, tightRB, dstC8888, |
| 1390 | b, tightRB, srcC8888, |
| 1391 | width, 1); |
| 1392 | SkConvertConfig8888Pixels(b, tightRB, dstC8888, |
| 1393 | temp, tightRB, srcC8888, |
| 1394 | width, 1); |
| 1395 | } else { |
| 1396 | memcpy(t, b, tightRB); |
| 1397 | memcpy(b, temp, tightRB); |
| 1398 | } |
| 1399 | top += rowBytes; |
| 1400 | bot -= rowBytes; |
| 1401 | } |
| 1402 | // The above loop does nothing on the middle row when height is odd. |
| 1403 | if (top == bot && c8888IsValid && dstC8888 != srcC8888) { |
| 1404 | uint32_t* mid = reinterpret_cast<uint32_t*>(top); |
| 1405 | SkConvertConfig8888Pixels(mid, tightRB, dstC8888, mid, tightRB, srcC8888, width, 1); |
| 1406 | } |
| 1407 | } else { |
| 1408 | // if we aren't flipping Y then we have no reason to be here other than doing |
| 1409 | // conversions for 8888 (r/b swap or upm). |
| 1410 | GrAssert(c8888IsValid); |
| 1411 | uint32_t* b32 = reinterpret_cast<uint32_t*>(buffer); |
| 1412 | SkConvertConfig8888Pixels(b32, rowBytes, dstC8888, |
| 1413 | b32, rowBytes, srcC8888, |
| 1414 | width, height); |
| 1415 | } |
| 1416 | } |
| 1417 | return true; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1418 | } |
| 1419 | |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 1420 | void GrContext::resolveRenderTarget(GrRenderTarget* target) { |
| 1421 | GrAssert(target); |
| 1422 | ASSERT_OWNED_RESOURCE(target); |
| 1423 | // In the future we may track whether there are any pending draws to this |
| 1424 | // target. We don't today so we always perform a flush. We don't promise |
| 1425 | // this to our clients, though. |
| 1426 | this->flush(); |
| 1427 | fGpu->resolveRenderTarget(target); |
| 1428 | } |
| 1429 | |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1430 | void GrContext::copyTexture(GrTexture* src, GrRenderTarget* dst) { |
| 1431 | if (NULL == src || NULL == dst) { |
| 1432 | return; |
| 1433 | } |
| 1434 | ASSERT_OWNED_RESOURCE(src); |
| 1435 | |
twiz@google.com | 1ac87ff | 2012-04-27 19:39:33 +0000 | [diff] [blame] | 1436 | // Writes pending to the source texture are not tracked, so a flush |
| 1437 | // is required to ensure that the copy captures the most recent contents |
| 1438 | // of the source texture. See similar behaviour in |
| 1439 | // GrContext::resolveRenderTarget. |
| 1440 | this->flush(); |
| 1441 | |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1442 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1443 | GrDrawState* drawState = fGpu->drawState(); |
| 1444 | drawState->setRenderTarget(dst); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1445 | SkMatrix sampleM; |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1446 | sampleM.setIDiv(src->width(), src->height()); |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1447 | drawState->createTextureEffect(0, src, sampleM); |
bsalomon@google.com | 5db3b6c | 2012-01-12 20:38:57 +0000 | [diff] [blame] | 1448 | SkRect rect = SkRect::MakeXYWH(0, 0, |
| 1449 | SK_Scalar1 * src->width(), |
| 1450 | SK_Scalar1 * src->height()); |
bsalomon@google.com | e3d3216 | 2012-07-20 13:37:06 +0000 | [diff] [blame] | 1451 | fGpu->drawSimpleRect(rect, NULL); |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1452 | } |
| 1453 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1454 | void GrContext::writeRenderTargetPixels(GrRenderTarget* target, |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1455 | int left, int top, int width, int height, |
| 1456 | GrPixelConfig config, |
| 1457 | const void* buffer, |
| 1458 | size_t rowBytes, |
| 1459 | uint32_t flags) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1460 | SK_TRACE_EVENT0("GrContext::writeRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1461 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1462 | |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1463 | if (NULL == target) { |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1464 | target = fDrawState->getRenderTarget(); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1465 | if (NULL == target) { |
| 1466 | return; |
| 1467 | } |
| 1468 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1469 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1470 | // TODO: when underlying api has a direct way to do this we should use it (e.g. glDrawPixels on |
| 1471 | // desktop GL). |
| 1472 | |
| 1473 | // We will always call some form of writeTexturePixels and we will pass our flags on to it. |
| 1474 | // Thus, we don't perform a flush here since that call will do it (if the kNoFlush flag isn't |
| 1475 | // set.) |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1476 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1477 | // If the RT is also a texture and we don't have to premultiply then take the texture path. |
| 1478 | // We expect to be at least as fast or faster since it doesn't use an intermediate texture as |
| 1479 | // we do below. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1480 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1481 | #if !GR_MAC_BUILD |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1482 | // At least some drivers on the Mac get confused when glTexImage2D is called on a texture |
| 1483 | // attached to an FBO. The FBO still sees the old image. TODO: determine what OS versions and/or |
| 1484 | // HW is affected. |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1485 | if (NULL != target->asTexture() && !(kUnpremul_PixelOpsFlag & flags)) { |
| 1486 | this->writeTexturePixels(target->asTexture(), |
| 1487 | left, top, width, height, |
| 1488 | config, buffer, rowBytes, flags); |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1489 | return; |
| 1490 | } |
| 1491 | #endif |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1492 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1493 | bool swapRAndB = (fGpu->preferredReadPixelsConfig(config) == GrPixelConfigSwapRAndB(config)); |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1494 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1495 | GrPixelConfig textureConfig; |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1496 | if (swapRAndB) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1497 | textureConfig = GrPixelConfigSwapRAndB(config); |
| 1498 | } else { |
| 1499 | textureConfig = config; |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1500 | } |
| 1501 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1502 | GrTextureDesc desc; |
| 1503 | desc.fWidth = width; |
| 1504 | desc.fHeight = height; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1505 | desc.fConfig = textureConfig; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 1506 | GrAutoScratchTexture ast(this, desc); |
| 1507 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1508 | if (NULL == texture) { |
| 1509 | return; |
| 1510 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1511 | |
| 1512 | GrEffectStage stage; |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1513 | SkMatrix textureMatrix; |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1514 | textureMatrix.setIDiv(texture->width(), texture->height()); |
| 1515 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1516 | // allocate a tmp buffer and sw convert the pixels to premul |
| 1517 | SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0); |
| 1518 | |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1519 | bool effectInstalled = false; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1520 | if (kUnpremul_PixelOpsFlag & flags) { |
| 1521 | if (kRGBA_8888_GrPixelConfig != config && kBGRA_8888_GrPixelConfig != config) { |
| 1522 | return; |
| 1523 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1524 | effectInstalled = this->installUPMToPMEffect(texture, |
| 1525 | swapRAndB, |
| 1526 | textureMatrix, |
| 1527 | &stage); |
| 1528 | if (!effectInstalled) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1529 | SkCanvas::Config8888 srcConfig8888, dstConfig8888; |
| 1530 | GR_DEBUGCODE(bool success = ) |
| 1531 | grconfig_to_config8888(config, true, &srcConfig8888); |
| 1532 | GrAssert(success); |
| 1533 | GR_DEBUGCODE(success = ) |
| 1534 | grconfig_to_config8888(config, false, &dstConfig8888); |
| 1535 | GrAssert(success); |
| 1536 | const uint32_t* src = reinterpret_cast<const uint32_t*>(buffer); |
| 1537 | tmpPixels.reset(width * height); |
| 1538 | SkConvertConfig8888Pixels(tmpPixels.get(), 4 * width, dstConfig8888, |
| 1539 | src, rowBytes, srcConfig8888, |
| 1540 | width, height); |
| 1541 | buffer = tmpPixels.get(); |
| 1542 | rowBytes = 4 * width; |
| 1543 | } |
| 1544 | } |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1545 | if (!effectInstalled) { |
| 1546 | SkAssertResult(GrConfigConversionEffect::InstallEffect( |
| 1547 | texture, |
| 1548 | swapRAndB, |
| 1549 | GrConfigConversionEffect::kNone_PMConversion, |
| 1550 | textureMatrix, |
| 1551 | &stage)); |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1552 | } |
| 1553 | |
| 1554 | this->writeTexturePixels(texture, |
| 1555 | 0, 0, width, height, |
| 1556 | textureConfig, buffer, rowBytes, |
| 1557 | flags & ~kUnpremul_PixelOpsFlag); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1558 | |
bsalomon@google.com | 873ea0c | 2012-03-30 15:55:32 +0000 | [diff] [blame] | 1559 | GrDrawTarget::AutoStateRestore asr(fGpu, GrDrawTarget::kReset_ASRInit); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1560 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1561 | *drawState->stage(0) = stage; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1562 | |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1563 | SkMatrix matrix; |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 1564 | matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1565 | drawState->setViewMatrix(matrix); |
| 1566 | drawState->setRenderTarget(target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1567 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1568 | fGpu->drawSimpleRect(GrRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)), NULL); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1569 | } |
| 1570 | //////////////////////////////////////////////////////////////////////////////// |
| 1571 | |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1572 | GrDrawTarget* GrContext::prepareToDraw(const GrPaint* paint, BufferedDraw buffered) { |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1573 | if (kNo_BufferedDraw == buffered && kYes_BufferedDraw == fLastDrawWasBuffered) { |
bsalomon@google.com | fb4ce6f | 2012-03-14 13:27:54 +0000 | [diff] [blame] | 1574 | this->flushDrawBuffer(); |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1575 | fLastDrawWasBuffered = kNo_BufferedDraw; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1576 | } |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1577 | if (NULL != paint) { |
bsalomon@google.com | af84e74 | 2012-10-05 13:23:24 +0000 | [diff] [blame] | 1578 | GrAssert(fDrawState->stagesDisabled()); |
| 1579 | fDrawState->setFromPaint(*paint); |
| 1580 | #if GR_DEBUG_PARTIAL_COVERAGE_CHECK |
| 1581 | if ((paint->hasMask() || 0xff != paint->fCoverage) && |
| 1582 | !fGpu->canApplyCoverage()) { |
| 1583 | GrPrintf("Partial pixel coverage will be incorrectly blended.\n"); |
| 1584 | } |
| 1585 | #endif |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1586 | } |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1587 | if (kYes_BufferedDraw == buffered) { |
| 1588 | fDrawBuffer->setClip(fGpu->getClip()); |
| 1589 | fLastDrawWasBuffered = kYes_BufferedDraw; |
| 1590 | return fDrawBuffer; |
| 1591 | } else { |
| 1592 | GrAssert(kNo_BufferedDraw == buffered); |
| 1593 | return fGpu; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1594 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1595 | } |
| 1596 | |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1597 | /* |
| 1598 | * This method finds a path renderer that can draw the specified path on |
| 1599 | * the provided target. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1600 | * 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] | 1601 | * can be individually allowed/disallowed via the "allowSW" boolean. |
| 1602 | */ |
bsalomon@google.com | 8d033a1 | 2012-04-27 15:52:53 +0000 | [diff] [blame] | 1603 | GrPathRenderer* GrContext::getPathRenderer(const SkPath& path, |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1604 | GrPathFill fill, |
bsalomon@google.com | c2099d2 | 2012-03-02 21:26:50 +0000 | [diff] [blame] | 1605 | const GrDrawTarget* target, |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1606 | bool antiAlias, |
| 1607 | bool allowSW) { |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1608 | if (NULL == fPathRendererChain) { |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1609 | fPathRendererChain = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1610 | SkNEW_ARGS(GrPathRendererChain, |
| 1611 | (this, GrPathRendererChain::kNone_UsageFlag)); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1612 | } |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1613 | |
| 1614 | GrPathRenderer* pr = fPathRendererChain->getPathRenderer(path, fill, |
| 1615 | target, |
| 1616 | antiAlias); |
| 1617 | |
| 1618 | if (NULL == pr && allowSW) { |
| 1619 | if (NULL == fSoftwarePathRenderer) { |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1620 | fSoftwarePathRenderer = SkNEW_ARGS(GrSoftwarePathRenderer, (this)); |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1621 | } |
| 1622 | |
| 1623 | pr = fSoftwarePathRenderer; |
| 1624 | } |
| 1625 | |
| 1626 | return pr; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1627 | } |
| 1628 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1629 | //////////////////////////////////////////////////////////////////////////////// |
| 1630 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1631 | void GrContext::setRenderTarget(GrRenderTarget* target) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1632 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1633 | fDrawState->setRenderTarget(target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1634 | } |
| 1635 | |
| 1636 | GrRenderTarget* GrContext::getRenderTarget() { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1637 | return fDrawState->getRenderTarget(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1638 | } |
| 1639 | |
| 1640 | const GrRenderTarget* GrContext::getRenderTarget() const { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1641 | return fDrawState->getRenderTarget(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1642 | } |
| 1643 | |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 1644 | bool GrContext::isConfigRenderable(GrPixelConfig config) const { |
| 1645 | return fGpu->isConfigRenderable(config); |
| 1646 | } |
| 1647 | |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1648 | const SkMatrix& GrContext::getMatrix() const { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1649 | return fDrawState->getViewMatrix(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1650 | } |
| 1651 | |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1652 | void GrContext::setMatrix(const SkMatrix& m) { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1653 | fDrawState->setViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1654 | } |
| 1655 | |
bsalomon@google.com | 0f11e1a | 2012-10-08 14:48:36 +0000 | [diff] [blame] | 1656 | void GrContext::setIdentityMatrix() { |
| 1657 | fDrawState->viewMatrix()->reset(); |
| 1658 | } |
| 1659 | |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1660 | void GrContext::concatMatrix(const SkMatrix& m) const { |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1661 | fDrawState->preConcatViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1662 | } |
| 1663 | |
| 1664 | static inline intptr_t setOrClear(intptr_t bits, int shift, intptr_t pred) { |
| 1665 | intptr_t mask = 1 << shift; |
| 1666 | if (pred) { |
| 1667 | bits |= mask; |
| 1668 | } else { |
| 1669 | bits &= ~mask; |
| 1670 | } |
| 1671 | return bits; |
| 1672 | } |
| 1673 | |
bsalomon@google.com | 583a1e3 | 2011-08-17 13:42:46 +0000 | [diff] [blame] | 1674 | GrContext::GrContext(GrGpu* gpu) { |
bsalomon@google.com | c0af317 | 2012-06-15 14:10:09 +0000 | [diff] [blame] | 1675 | ++THREAD_INSTANCE_COUNT; |
| 1676 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1677 | fGpu = gpu; |
| 1678 | fGpu->ref(); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1679 | fGpu->setContext(this); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1680 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1681 | fDrawState = SkNEW(GrDrawState); |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1682 | fGpu->setDrawState(fDrawState); |
| 1683 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1684 | fPathRendererChain = NULL; |
robertphillips@google.com | 72176b2 | 2012-05-23 13:19:12 +0000 | [diff] [blame] | 1685 | fSoftwarePathRenderer = NULL; |
bsalomon@google.com | dfe75bc | 2011-03-25 12:31:16 +0000 | [diff] [blame] | 1686 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1687 | fTextureCache = SkNEW_ARGS(GrResourceCache, |
| 1688 | (MAX_TEXTURE_CACHE_COUNT, |
| 1689 | MAX_TEXTURE_CACHE_BYTES)); |
| 1690 | fFontCache = SkNEW_ARGS(GrFontCache, (fGpu)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1691 | |
bsalomon@google.com | 1d4edd3 | 2012-08-16 18:36:06 +0000 | [diff] [blame] | 1692 | fLastDrawWasBuffered = kNo_BufferedDraw; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1693 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1694 | fDrawBuffer = NULL; |
| 1695 | fDrawBufferVBAllocPool = NULL; |
| 1696 | fDrawBufferIBAllocPool = NULL; |
| 1697 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1698 | fAARectRenderer = SkNEW(GrAARectRenderer); |
bsalomon@google.com | 10e04bf | 2012-03-30 14:35:04 +0000 | [diff] [blame] | 1699 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1700 | fDidTestPMConversions = false; |
| 1701 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 1702 | this->setupDrawBuffer(); |
| 1703 | } |
| 1704 | |
| 1705 | void GrContext::setupDrawBuffer() { |
| 1706 | |
| 1707 | GrAssert(NULL == fDrawBuffer); |
| 1708 | GrAssert(NULL == fDrawBufferVBAllocPool); |
| 1709 | GrAssert(NULL == fDrawBufferIBAllocPool); |
| 1710 | |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1711 | fDrawBufferVBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1712 | SkNEW_ARGS(GrVertexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1713 | DRAW_BUFFER_VBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1714 | DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1715 | fDrawBufferIBAllocPool = |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1716 | SkNEW_ARGS(GrIndexBufferAllocPool, (fGpu, false, |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1717 | DRAW_BUFFER_IBPOOL_BUFFER_SIZE, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1718 | DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1719 | |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1720 | fDrawBuffer = SkNEW_ARGS(GrInOrderDrawBuffer, (fGpu, |
bsalomon@google.com | 471d471 | 2011-08-23 15:45:25 +0000 | [diff] [blame] | 1721 | fDrawBufferVBAllocPool, |
tomhudson@google.com | c377baf | 2012-07-09 20:17:56 +0000 | [diff] [blame] | 1722 | fDrawBufferIBAllocPool)); |
bsalomon@google.com | 3c4d032 | 2012-04-03 18:04:51 +0000 | [diff] [blame] | 1723 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1724 | fDrawBuffer->setQuadIndexBuffer(this->getQuadIndexBuffer()); |
bsalomon@google.com | 1015e03 | 2012-06-25 18:41:04 +0000 | [diff] [blame] | 1725 | if (fDrawBuffer) { |
| 1726 | fDrawBuffer->setAutoFlushTarget(fGpu); |
| 1727 | fDrawBuffer->setDrawState(fDrawState); |
| 1728 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1729 | } |
| 1730 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1731 | GrDrawTarget* GrContext::getTextTarget(const GrPaint& paint) { |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1732 | return prepareToDraw(&paint, DEFAULT_BUFFERING); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1733 | } |
| 1734 | |
| 1735 | const GrIndexBuffer* GrContext::getQuadIndexBuffer() const { |
| 1736 | return fGpu->getQuadIndexBuffer(); |
| 1737 | } |
bsalomon@google.com | dfe75bc | 2011-03-25 12:31:16 +0000 | [diff] [blame] | 1738 | |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1739 | namespace { |
| 1740 | void test_pm_conversions(GrContext* ctx, int* pmToUPMValue, int* upmToPMValue) { |
| 1741 | GrConfigConversionEffect::PMConversion pmToUPM; |
| 1742 | GrConfigConversionEffect::PMConversion upmToPM; |
| 1743 | GrConfigConversionEffect::TestForPreservingPMConversions(ctx, &pmToUPM, &upmToPM); |
| 1744 | *pmToUPMValue = pmToUPM; |
| 1745 | *upmToPMValue = upmToPM; |
| 1746 | } |
| 1747 | } |
| 1748 | |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1749 | bool GrContext::installPMToUPMEffect(GrTexture* texture, |
| 1750 | bool swapRAndB, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1751 | const SkMatrix& matrix, |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1752 | GrEffectStage* stage) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1753 | if (!fDidTestPMConversions) { |
| 1754 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1755 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1756 | } |
| 1757 | GrConfigConversionEffect::PMConversion pmToUPM = |
| 1758 | static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion); |
| 1759 | if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) { |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1760 | GrConfigConversionEffect::InstallEffect(texture, swapRAndB, pmToUPM, matrix, stage); |
| 1761 | return true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1762 | } else { |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1763 | return false; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1764 | } |
| 1765 | } |
| 1766 | |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1767 | bool GrContext::installUPMToPMEffect(GrTexture* texture, |
| 1768 | bool swapRAndB, |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1769 | const SkMatrix& matrix, |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1770 | GrEffectStage* stage) { |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1771 | if (!fDidTestPMConversions) { |
| 1772 | test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
bsalomon@google.com | d0f3f68 | 2012-08-28 13:08:14 +0000 | [diff] [blame] | 1773 | fDidTestPMConversions = true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1774 | } |
| 1775 | GrConfigConversionEffect::PMConversion upmToPM = |
| 1776 | static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion); |
| 1777 | if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) { |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1778 | GrConfigConversionEffect::InstallEffect(texture, swapRAndB, upmToPM, matrix, stage); |
| 1779 | return true; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1780 | } else { |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1781 | return false; |
bsalomon@google.com | a04e8e8 | 2012-08-27 12:53:13 +0000 | [diff] [blame] | 1782 | } |
| 1783 | } |
| 1784 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1785 | GrTexture* GrContext::gaussianBlur(GrTexture* srcTexture, |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1786 | bool canClobberSrc, |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1787 | const SkRect& rect, |
| 1788 | float sigmaX, float sigmaY) { |
senorblanco@chromium.org | ceb4414 | 2012-03-05 20:53:36 +0000 | [diff] [blame] | 1789 | ASSERT_OWNED_RESOURCE(srcTexture); |
robertphillips@google.com | ccb3950 | 2012-10-01 18:25:13 +0000 | [diff] [blame] | 1790 | |
| 1791 | AutoRenderTarget art(this); |
| 1792 | |
bsalomon@google.com | 3cbaa2d | 2012-10-12 14:51:52 +0000 | [diff] [blame] | 1793 | AutoMatrix am; |
| 1794 | am.setIdentity(this); |
| 1795 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1796 | SkIRect clearRect; |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1797 | int scaleFactorX, radiusX; |
| 1798 | int scaleFactorY, radiusY; |
| 1799 | sigmaX = adjust_sigma(sigmaX, &scaleFactorX, &radiusX); |
| 1800 | sigmaY = adjust_sigma(sigmaY, &scaleFactorY, &radiusY); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1801 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1802 | SkRect srcRect(rect); |
| 1803 | scale_rect(&srcRect, 1.0f / scaleFactorX, 1.0f / scaleFactorY); |
| 1804 | srcRect.roundOut(); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1805 | scale_rect(&srcRect, static_cast<float>(scaleFactorX), |
robertphillips@google.com | 8637a36 | 2012-04-10 18:32:35 +0000 | [diff] [blame] | 1806 | static_cast<float>(scaleFactorY)); |
robertphillips@google.com | 3e11c0b | 2012-07-11 18:20:35 +0000 | [diff] [blame] | 1807 | |
robertphillips@google.com | 56c79b1 | 2012-07-11 20:57:46 +0000 | [diff] [blame] | 1808 | AutoClip acs(this, srcRect); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1809 | |
bsalomon@google.com | 0342a85 | 2012-08-20 19:22:38 +0000 | [diff] [blame] | 1810 | GrAssert(kBGRA_8888_GrPixelConfig == srcTexture->config() || |
| 1811 | kRGBA_8888_GrPixelConfig == srcTexture->config() || |
robertphillips@google.com | 99a5ac0 | 2012-04-10 19:26:38 +0000 | [diff] [blame] | 1812 | kAlpha_8_GrPixelConfig == srcTexture->config()); |
| 1813 | |
robertphillips@google.com | 75b3c96 | 2012-06-07 12:08:45 +0000 | [diff] [blame] | 1814 | GrTextureDesc desc; |
| 1815 | desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; |
| 1816 | desc.fWidth = SkScalarFloorToInt(srcRect.width()); |
| 1817 | desc.fHeight = SkScalarFloorToInt(srcRect.height()); |
| 1818 | desc.fConfig = srcTexture->config(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1819 | |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1820 | GrAutoScratchTexture temp1, temp2; |
| 1821 | GrTexture* dstTexture = temp1.set(this, desc); |
| 1822 | GrTexture* tempTexture = canClobberSrc ? srcTexture : temp2.set(this, desc); |
robertphillips@google.com | 7d12675 | 2012-10-19 12:56:26 +0000 | [diff] [blame] | 1823 | if (NULL == dstTexture || NULL == tempTexture) { |
| 1824 | return NULL; |
| 1825 | } |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1826 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1827 | GrPaint paint; |
| 1828 | paint.reset(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1829 | |
| 1830 | for (int i = 1; i < scaleFactorX || i < scaleFactorY; i *= 2) { |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1831 | SkMatrix matrix; |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1832 | matrix.setIDiv(srcTexture->width(), srcTexture->height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1833 | this->setRenderTarget(dstTexture->asRenderTarget()); |
| 1834 | SkRect dstRect(srcRect); |
| 1835 | scale_rect(&dstRect, i < scaleFactorX ? 0.5f : 1.0f, |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1836 | i < scaleFactorY ? 0.5f : 1.0f); |
| 1837 | |
bsalomon@google.com | 08283af | 2012-10-26 13:01:20 +0000 | [diff] [blame] | 1838 | paint.colorStage(0)->setEffect(SkNEW_ARGS(GrSingleTextureEffect, |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1839 | (srcTexture, matrix, true)))->unref(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1840 | this->drawRectToRect(paint, dstRect, srcRect); |
| 1841 | srcRect = dstRect; |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1842 | srcTexture = dstTexture; |
| 1843 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1844 | } |
| 1845 | |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1846 | SkIRect srcIRect; |
| 1847 | srcRect.roundOut(&srcIRect); |
| 1848 | |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1849 | if (sigmaX > 0.0f) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1850 | if (scaleFactorX > 1) { |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1851 | // 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] | 1852 | // X convolution from reading garbage. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1853 | clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1854 | radiusX, srcIRect.height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1855 | this->clear(&clearRect, 0x0); |
| 1856 | } |
| 1857 | |
| 1858 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1859 | GrDrawTarget* target = this->prepareToDraw(NULL, DEFAULT_BUFFERING); |
| 1860 | convolve_gaussian(target, srcTexture, srcRect, sigmaX, radiusX, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1861 | Gr1DKernelEffect::kX_Direction); |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1862 | srcTexture = dstTexture; |
| 1863 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1864 | } |
| 1865 | |
| 1866 | if (sigmaY > 0.0f) { |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1867 | if (scaleFactorY > 1 || sigmaX > 0.0f) { |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1868 | // Clear out a radius below the srcRect to prevent the Y |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1869 | // convolution from reading garbage. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1870 | clearRect = SkIRect::MakeXYWH(srcIRect.fLeft, srcIRect.fBottom, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1871 | srcIRect.width(), radiusY); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1872 | this->clear(&clearRect, 0x0); |
| 1873 | } |
| 1874 | |
| 1875 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | 07ea2db | 2012-08-17 14:06:49 +0000 | [diff] [blame] | 1876 | GrDrawTarget* target = this->prepareToDraw(NULL, DEFAULT_BUFFERING); |
| 1877 | convolve_gaussian(target, srcTexture, srcRect, sigmaY, radiusY, |
bsalomon@google.com | b505a12 | 2012-05-31 18:40:36 +0000 | [diff] [blame] | 1878 | Gr1DKernelEffect::kY_Direction); |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1879 | srcTexture = dstTexture; |
| 1880 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1881 | } |
| 1882 | |
| 1883 | if (scaleFactorX > 1 || scaleFactorY > 1) { |
| 1884 | // Clear one pixel to the right and below, to accommodate bilinear |
| 1885 | // upsampling. |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1886 | clearRect = SkIRect::MakeXYWH(srcIRect.fLeft, srcIRect.fBottom, |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1887 | srcIRect.width() + 1, 1); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1888 | this->clear(&clearRect, 0x0); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1889 | clearRect = SkIRect::MakeXYWH(srcIRect.fRight, srcIRect.fTop, |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1890 | 1, srcIRect.height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1891 | this->clear(&clearRect, 0x0); |
bsalomon@google.com | b9086a0 | 2012-11-01 18:02:54 +0000 | [diff] [blame^] | 1892 | SkMatrix matrix; |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1893 | // FIXME: This should be mitchell, not bilinear. |
bsalomon@google.com | dfdb7e5 | 2012-10-16 15:19:45 +0000 | [diff] [blame] | 1894 | matrix.setIDiv(srcTexture->width(), srcTexture->height()); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1895 | this->setRenderTarget(dstTexture->asRenderTarget()); |
bsalomon@google.com | d8b5fac | 2012-11-01 17:02:46 +0000 | [diff] [blame] | 1896 | paint.colorStage(0)->setEffect(SkNEW_ARGS(GrSingleTextureEffect,(srcTexture, |
| 1897 | matrix, true)))->unref(); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1898 | SkRect dstRect(srcRect); |
robertphillips@google.com | 7a39633 | 2012-05-10 15:11:27 +0000 | [diff] [blame] | 1899 | scale_rect(&dstRect, (float) scaleFactorX, (float) scaleFactorY); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1900 | this->drawRectToRect(paint, dstRect, srcRect); |
| 1901 | srcRect = dstRect; |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1902 | srcTexture = dstTexture; |
| 1903 | SkTSwap(dstTexture, tempTexture); |
senorblanco@chromium.org | 3b4dd90 | 2012-03-05 20:41:22 +0000 | [diff] [blame] | 1904 | } |
senorblanco@chromium.org | 1e95d71 | 2012-07-18 19:52:53 +0000 | [diff] [blame] | 1905 | if (srcTexture == temp1.texture()) { |
| 1906 | return temp1.detach(); |
| 1907 | } else if (srcTexture == temp2.texture()) { |
| 1908 | return temp2.detach(); |
| 1909 | } else { |
| 1910 | srcTexture->ref(); |
| 1911 | return srcTexture; |
| 1912 | } |
senorblanco@chromium.org | 05054f1 | 2012-03-02 21:05:45 +0000 | [diff] [blame] | 1913 | } |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 1914 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1915 | /////////////////////////////////////////////////////////////////////////////// |
robertphillips@google.com | 5955202 | 2012-08-31 13:07:37 +0000 | [diff] [blame] | 1916 | #if GR_CACHE_STATS |
robertphillips@google.com | 5f9f2f5 | 2012-08-22 10:57:05 +0000 | [diff] [blame] | 1917 | void GrContext::printCacheStats() const { |
| 1918 | fTextureCache->printStats(); |
| 1919 | } |
| 1920 | #endif |