epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2011 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 9 | |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 10 | #include "GrContext.h" |
| 11 | |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 12 | #include "GrBufferAllocPool.h" |
| 13 | #include "GrClipIterator.h" |
bsalomon@google.com | 05ef510 | 2011-05-02 21:14:59 +0000 | [diff] [blame] | 14 | #include "GrGpu.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 15 | #include "GrIndexBuffer.h" |
| 16 | #include "GrInOrderDrawBuffer.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 17 | #include "GrPathRenderer.h" |
tomhudson@google.com | d22b6e4 | 2011-06-24 15:53:40 +0000 | [diff] [blame] | 18 | #include "GrPathUtils.h" |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 19 | #include "GrResourceCache.h" |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 20 | #include "GrStencilBuffer.h" |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 21 | #include "GrTextStrike.h" |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 22 | #include "SkTLazy.h" |
tomhudson@google.com | 0c8d93a | 2011-07-01 17:08:26 +0000 | [diff] [blame] | 23 | #include "SkTrace.h" |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 24 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 25 | // Using MSAA seems to be slower for some yet unknown reason. |
| 26 | #define PREFER_MSAA_OFFSCREEN_AA 0 |
| 27 | #define OFFSCREEN_SSAA_SCALE 4 // super sample at 4x4 |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 28 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 29 | #define DEFER_TEXT_RENDERING 1 |
| 30 | |
| 31 | #define BATCH_RECT_TO_RECT (1 && !GR_STATIC_RECT_VB) |
| 32 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 33 | // When we're using coverage AA but the blend is incompatible (given gpu |
| 34 | // limitations) should we disable AA or draw wrong? |
bsalomon@google.com | 950d7a8 | 2011-09-28 15:05:33 +0000 | [diff] [blame] | 35 | #define DISABLE_COVERAGE_AA_FOR_BLEND 1 |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 36 | |
bsalomon@google.com | 8ccaddd | 2011-08-09 16:49:03 +0000 | [diff] [blame] | 37 | static const size_t MAX_TEXTURE_CACHE_COUNT = 256; |
| 38 | static const size_t MAX_TEXTURE_CACHE_BYTES = 16 * 1024 * 1024; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 39 | |
| 40 | static const size_t DRAW_BUFFER_VBPOOL_BUFFER_SIZE = 1 << 18; |
| 41 | static const int DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS = 4; |
| 42 | |
| 43 | // We are currently only batching Text and drawRectToRect, both |
| 44 | // of which use the quad index buffer. |
| 45 | static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = 0; |
| 46 | static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = 0; |
| 47 | |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 48 | #define ASSERT_OWNED_RESOURCE(R) GrAssert(!(R) || (R)->getContext() == this) |
| 49 | |
bsalomon@google.com | 05ef510 | 2011-05-02 21:14:59 +0000 | [diff] [blame] | 50 | GrContext* GrContext::Create(GrEngine engine, |
| 51 | GrPlatform3DContext context3D) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 52 | GrContext* ctx = NULL; |
| 53 | GrGpu* fGpu = GrGpu::Create(engine, context3D); |
| 54 | if (NULL != fGpu) { |
| 55 | ctx = new GrContext(fGpu); |
| 56 | fGpu->unref(); |
| 57 | } |
| 58 | return ctx; |
| 59 | } |
| 60 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 61 | GrContext::~GrContext() { |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 62 | this->flush(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 63 | delete fTextureCache; |
| 64 | delete fFontCache; |
| 65 | delete fDrawBuffer; |
| 66 | delete fDrawBufferVBAllocPool; |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 67 | delete fDrawBufferIBAllocPool; |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 68 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 69 | GrSafeUnref(fAAFillRectIndexBuffer); |
| 70 | GrSafeUnref(fAAStrokeRectIndexBuffer); |
| 71 | fGpu->unref(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 72 | GrSafeUnref(fPathRendererChain); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 73 | } |
| 74 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 75 | void GrContext::contextLost() { |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 76 | contextDestroyed(); |
| 77 | this->setupDrawBuffer(); |
| 78 | } |
| 79 | |
| 80 | void GrContext::contextDestroyed() { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 81 | // abandon first to so destructors |
| 82 | // don't try to free the resources in the API. |
| 83 | fGpu->abandonResources(); |
| 84 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 85 | // a path renderer may be holding onto resources that |
| 86 | // are now unusable |
| 87 | GrSafeSetNull(fPathRendererChain); |
| 88 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 89 | delete fDrawBuffer; |
| 90 | fDrawBuffer = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 91 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 92 | delete fDrawBufferVBAllocPool; |
| 93 | fDrawBufferVBAllocPool = NULL; |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 94 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 95 | delete fDrawBufferIBAllocPool; |
| 96 | fDrawBufferIBAllocPool = NULL; |
| 97 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 98 | GrSafeSetNull(fAAFillRectIndexBuffer); |
| 99 | GrSafeSetNull(fAAStrokeRectIndexBuffer); |
| 100 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 101 | fTextureCache->removeAll(); |
| 102 | fFontCache->freeAll(); |
| 103 | fGpu->markContextDirty(); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | void GrContext::resetContext() { |
| 107 | fGpu->markContextDirty(); |
| 108 | } |
| 109 | |
| 110 | void GrContext::freeGpuResources() { |
| 111 | this->flush(); |
| 112 | fTextureCache->removeAll(); |
| 113 | fFontCache->freeAll(); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 114 | // a path renderer may be holding onto resources |
| 115 | GrSafeSetNull(fPathRendererChain); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 116 | } |
| 117 | |
twiz@google.com | 05e7024 | 2012-01-27 19:12:00 +0000 | [diff] [blame] | 118 | size_t GrContext::getGpuTextureCacheBytes() const { |
| 119 | return fTextureCache->getCachedResourceBytes(); |
| 120 | } |
| 121 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 122 | //////////////////////////////////////////////////////////////////////////////// |
| 123 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 124 | int GrContext::PaintStageVertexLayoutBits( |
| 125 | const GrPaint& paint, |
| 126 | const bool hasTexCoords[GrPaint::kTotalStages]) { |
| 127 | int stageMask = paint.getActiveStageMask(); |
| 128 | int layout = 0; |
| 129 | for (int i = 0; i < GrPaint::kTotalStages; ++i) { |
| 130 | if ((1 << i) & stageMask) { |
| 131 | if (NULL != hasTexCoords && hasTexCoords[i]) { |
| 132 | layout |= GrDrawTarget::StageTexCoordVertexLayoutBit(i, i); |
| 133 | } else { |
| 134 | layout |= GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(i); |
| 135 | } |
| 136 | } |
| 137 | } |
| 138 | return layout; |
| 139 | } |
| 140 | |
| 141 | |
| 142 | //////////////////////////////////////////////////////////////////////////////// |
| 143 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 144 | enum { |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 145 | // flags for textures |
| 146 | kNPOTBit = 0x1, |
| 147 | kFilterBit = 0x2, |
| 148 | kScratchBit = 0x4, |
| 149 | |
| 150 | // resource type |
| 151 | kTextureBit = 0x8, |
| 152 | kStencilBufferBit = 0x10 |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 153 | }; |
| 154 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 155 | GrTexture* GrContext::TextureCacheEntry::texture() const { |
| 156 | if (NULL == fEntry) { |
| 157 | return NULL; |
| 158 | } else { |
| 159 | return (GrTexture*) fEntry->resource(); |
| 160 | } |
| 161 | } |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 162 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 163 | namespace { |
| 164 | // returns true if this is a "special" texture because of gpu NPOT limitations |
| 165 | bool gen_texture_key_values(const GrGpu* gpu, |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 166 | const GrSamplerState* sampler, |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 167 | GrContext::TextureKey clientKey, |
| 168 | int width, |
| 169 | int height, |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 170 | int sampleCnt, |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 171 | bool scratch, |
| 172 | uint32_t v[4]) { |
| 173 | GR_STATIC_ASSERT(sizeof(GrContext::TextureKey) == sizeof(uint64_t)); |
| 174 | // we assume we only need 16 bits of width and height |
| 175 | // assert that texture creation will fail anyway if this assumption |
| 176 | // would cause key collisions. |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 177 | GrAssert(gpu->getCaps().fMaxTextureSize <= SK_MaxU16); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 178 | v[0] = clientKey & 0xffffffffUL; |
| 179 | v[1] = (clientKey >> 32) & 0xffffffffUL; |
| 180 | v[2] = width | (height << 16); |
| 181 | |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 182 | v[3] = (sampleCnt << 24); |
| 183 | GrAssert(sampleCnt >= 0 && sampleCnt < 256); |
| 184 | |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 185 | if (!gpu->getCaps().fNPOTTextureTileSupport) { |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 186 | bool isPow2 = GrIsPow2(width) && GrIsPow2(height); |
| 187 | |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 188 | bool tiled = NULL != sampler && |
| 189 | ((sampler->getWrapX() != GrSamplerState::kClamp_WrapMode) || |
| 190 | (sampler->getWrapY() != GrSamplerState::kClamp_WrapMode)); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 191 | |
| 192 | if (tiled && !isPow2) { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 193 | v[3] |= kNPOTBit; |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 194 | if (GrSamplerState::kNearest_Filter != sampler->getFilter()) { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 195 | v[3] |= kFilterBit; |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 196 | } |
| 197 | } |
| 198 | } |
| 199 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 200 | if (scratch) { |
| 201 | v[3] |= kScratchBit; |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 202 | } |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 203 | |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 204 | v[3] |= kTextureBit; |
| 205 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 206 | return v[3] & kNPOTBit; |
| 207 | } |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 208 | |
| 209 | // we should never have more than one stencil buffer with same combo of |
| 210 | // (width,height,samplecount) |
| 211 | void gen_stencil_key_values(int width, int height, |
| 212 | int sampleCnt, uint32_t v[4]) { |
| 213 | v[0] = width; |
| 214 | v[1] = height; |
| 215 | v[2] = sampleCnt; |
| 216 | v[3] = kStencilBufferBit; |
| 217 | } |
| 218 | |
| 219 | void gen_stencil_key_values(const GrStencilBuffer* sb, |
| 220 | uint32_t v[4]) { |
| 221 | gen_stencil_key_values(sb->width(), sb->height(), |
| 222 | sb->numSamples(), v); |
| 223 | } |
bsalomon@google.com | 82c7bd8 | 2011-11-09 15:32:29 +0000 | [diff] [blame] | 224 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 225 | } |
| 226 | |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 227 | GrContext::TextureCacheEntry GrContext::findAndLockTexture( |
| 228 | TextureKey key, |
| 229 | int width, |
| 230 | int height, |
| 231 | const GrSamplerState* sampler) { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 232 | uint32_t v[4]; |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 233 | gen_texture_key_values(fGpu, sampler, key, width, height, 0, false, v); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 234 | GrResourceKey resourceKey(v); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 235 | return TextureCacheEntry(fTextureCache->findAndLock(resourceKey, |
| 236 | GrResourceCache::kNested_LockType)); |
| 237 | } |
| 238 | |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 239 | bool GrContext::isTextureInCache(TextureKey key, |
| 240 | int width, |
| 241 | int height, |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 242 | const GrSamplerState* sampler) const { |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 243 | uint32_t v[4]; |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 244 | gen_texture_key_values(fGpu, sampler, key, width, height, 0, false, v); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 245 | GrResourceKey resourceKey(v); |
| 246 | return fTextureCache->hasKey(resourceKey); |
| 247 | } |
| 248 | |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 249 | GrResourceEntry* GrContext::addAndLockStencilBuffer(GrStencilBuffer* sb) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 250 | ASSERT_OWNED_RESOURCE(sb); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 251 | uint32_t v[4]; |
| 252 | gen_stencil_key_values(sb, v); |
| 253 | GrResourceKey resourceKey(v); |
| 254 | return fTextureCache->createAndLock(resourceKey, sb); |
| 255 | } |
| 256 | |
| 257 | GrStencilBuffer* GrContext::findStencilBuffer(int width, int height, |
| 258 | int sampleCnt) { |
| 259 | uint32_t v[4]; |
| 260 | gen_stencil_key_values(width, height, sampleCnt, v); |
| 261 | GrResourceKey resourceKey(v); |
| 262 | GrResourceEntry* entry = fTextureCache->findAndLock(resourceKey, |
| 263 | GrResourceCache::kSingle_LockType); |
| 264 | if (NULL != entry) { |
| 265 | GrStencilBuffer* sb = (GrStencilBuffer*) entry->resource(); |
| 266 | return sb; |
| 267 | } else { |
| 268 | return NULL; |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | void GrContext::unlockStencilBuffer(GrResourceEntry* sbEntry) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 273 | ASSERT_OWNED_RESOURCE(sbEntry->resource()); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 274 | fTextureCache->unlock(sbEntry); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | static void stretchImage(void* dst, |
| 278 | int dstW, |
| 279 | int dstH, |
| 280 | void* src, |
| 281 | int srcW, |
| 282 | int srcH, |
| 283 | int bpp) { |
| 284 | GrFixed dx = (srcW << 16) / dstW; |
| 285 | GrFixed dy = (srcH << 16) / dstH; |
| 286 | |
| 287 | GrFixed y = dy >> 1; |
| 288 | |
| 289 | int dstXLimit = dstW*bpp; |
| 290 | for (int j = 0; j < dstH; ++j) { |
| 291 | GrFixed x = dx >> 1; |
| 292 | void* srcRow = (uint8_t*)src + (y>>16)*srcW*bpp; |
| 293 | void* dstRow = (uint8_t*)dst + j*dstW*bpp; |
| 294 | for (int i = 0; i < dstXLimit; i += bpp) { |
| 295 | memcpy((uint8_t*) dstRow + i, |
| 296 | (uint8_t*) srcRow + (x>>16)*bpp, |
| 297 | bpp); |
| 298 | x += dx; |
| 299 | } |
| 300 | y += dy; |
| 301 | } |
| 302 | } |
| 303 | |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 304 | GrContext::TextureCacheEntry GrContext::createAndLockTexture( |
| 305 | TextureKey key, |
| 306 | const GrSamplerState* sampler, |
| 307 | const GrTextureDesc& desc, |
| 308 | void* srcData, |
| 309 | size_t rowBytes) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 310 | SK_TRACE_EVENT0("GrContext::createAndLockTexture"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 311 | |
| 312 | #if GR_DUMP_TEXTURE_UPLOAD |
| 313 | GrPrintf("GrContext::createAndLockTexture [%d %d]\n", desc.fWidth, desc.fHeight); |
| 314 | #endif |
| 315 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 316 | TextureCacheEntry entry; |
| 317 | uint32_t v[4]; |
| 318 | bool special = gen_texture_key_values(fGpu, sampler, key, |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 319 | desc.fWidth, desc.fHeight, |
| 320 | desc.fSampleCnt, false, v); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 321 | GrResourceKey resourceKey(v); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 322 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 323 | if (special) { |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 324 | GrAssert(NULL != sampler); |
| 325 | TextureCacheEntry clampEntry = this->findAndLockTexture(key, |
| 326 | desc.fWidth, |
| 327 | desc.fHeight, |
| 328 | NULL); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 329 | |
| 330 | if (NULL == clampEntry.texture()) { |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 331 | clampEntry = this->createAndLockTexture(key, NULL, desc, |
| 332 | srcData, rowBytes); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 333 | GrAssert(NULL != clampEntry.texture()); |
| 334 | if (NULL == clampEntry.texture()) { |
| 335 | return entry; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 336 | } |
| 337 | } |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 338 | GrTextureDesc rtDesc = desc; |
| 339 | rtDesc.fFlags = rtDesc.fFlags | |
| 340 | kRenderTarget_GrTextureFlagBit | |
| 341 | kNoStencil_GrTextureFlagBit; |
bsalomon@google.com | 9962108 | 2011-11-15 16:47:16 +0000 | [diff] [blame] | 342 | rtDesc.fWidth = GrNextPow2(GrMax(desc.fWidth, 64)); |
| 343 | rtDesc.fHeight = GrNextPow2(GrMax(desc.fHeight, 64)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 344 | |
| 345 | GrTexture* texture = fGpu->createTexture(rtDesc, NULL, 0); |
| 346 | |
| 347 | if (NULL != texture) { |
| 348 | GrDrawTarget::AutoStateRestore asr(fGpu); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 349 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | 52a5dcb | 2012-01-17 16:01:37 +0000 | [diff] [blame] | 350 | drawState->reset(); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 351 | drawState->setRenderTarget(texture->asRenderTarget()); |
| 352 | drawState->setTexture(0, clampEntry.texture()); |
bsalomon@google.com | 82c7bd8 | 2011-11-09 15:32:29 +0000 | [diff] [blame] | 353 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 354 | GrSamplerState::Filter filter; |
| 355 | // if filtering is not desired then we want to ensure all |
| 356 | // texels in the resampled image are copies of texels from |
| 357 | // the original. |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 358 | if (GrSamplerState::kNearest_Filter == sampler->getFilter()) { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 359 | filter = GrSamplerState::kNearest_Filter; |
| 360 | } else { |
| 361 | filter = GrSamplerState::kBilinear_Filter; |
| 362 | } |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 363 | drawState->sampler(0)->reset(GrSamplerState::kClamp_WrapMode, |
| 364 | filter); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 365 | |
| 366 | static const GrVertexLayout layout = |
| 367 | GrDrawTarget::StageTexCoordVertexLayoutBit(0,0); |
| 368 | GrDrawTarget::AutoReleaseGeometry arg(fGpu, layout, 4, 0); |
| 369 | |
| 370 | if (arg.succeeded()) { |
| 371 | GrPoint* verts = (GrPoint*) arg.vertices(); |
| 372 | verts[0].setIRectFan(0, 0, |
| 373 | texture->width(), |
| 374 | texture->height(), |
| 375 | 2*sizeof(GrPoint)); |
| 376 | verts[1].setIRectFan(0, 0, 1, 1, 2*sizeof(GrPoint)); |
| 377 | fGpu->drawNonIndexed(kTriangleFan_PrimitiveType, |
| 378 | 0, 4); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 379 | entry.set(fTextureCache->createAndLock(resourceKey, texture)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 380 | } |
bsalomon@google.com | 1da0746 | 2011-03-10 14:51:57 +0000 | [diff] [blame] | 381 | texture->releaseRenderTarget(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 382 | } else { |
| 383 | // TODO: Our CPU stretch doesn't filter. But we create separate |
| 384 | // stretched textures when the sampler state is either filtered or |
| 385 | // not. Either implement filtered stretch blit on CPU or just create |
| 386 | // one when FBO case fails. |
| 387 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 388 | rtDesc.fFlags = kNone_GrTextureFlags; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 389 | // no longer need to clamp at min RT size. |
| 390 | rtDesc.fWidth = GrNextPow2(desc.fWidth); |
| 391 | rtDesc.fHeight = GrNextPow2(desc.fHeight); |
bsalomon@google.com | 64c4fe4 | 2011-11-05 14:51:01 +0000 | [diff] [blame] | 392 | int bpp = GrBytesPerPixel(desc.fConfig); |
bsalomon@google.com | 3582bf9 | 2011-06-30 21:32:31 +0000 | [diff] [blame] | 393 | SkAutoSMalloc<128*128*4> stretchedPixels(bpp * |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 394 | rtDesc.fWidth * |
| 395 | rtDesc.fHeight); |
| 396 | stretchImage(stretchedPixels.get(), rtDesc.fWidth, rtDesc.fHeight, |
| 397 | srcData, desc.fWidth, desc.fHeight, bpp); |
| 398 | |
| 399 | size_t stretchedRowBytes = rtDesc.fWidth * bpp; |
| 400 | |
| 401 | GrTexture* texture = fGpu->createTexture(rtDesc, |
| 402 | stretchedPixels.get(), |
| 403 | stretchedRowBytes); |
| 404 | GrAssert(NULL != texture); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 405 | entry.set(fTextureCache->createAndLock(resourceKey, texture)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 406 | } |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 407 | fTextureCache->unlock(clampEntry.cacheEntry()); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 408 | |
| 409 | } else { |
| 410 | GrTexture* texture = fGpu->createTexture(desc, srcData, rowBytes); |
| 411 | if (NULL != texture) { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 412 | entry.set(fTextureCache->createAndLock(resourceKey, texture)); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 413 | } |
| 414 | } |
| 415 | return entry; |
| 416 | } |
| 417 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 418 | namespace { |
| 419 | inline void gen_scratch_tex_key_values(const GrGpu* gpu, |
| 420 | const GrTextureDesc& desc, |
| 421 | uint32_t v[4]) { |
| 422 | // Instead of a client-provided key of the texture contents |
| 423 | // we create a key of from the descriptor. |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 424 | GrContext::TextureKey descKey = (desc.fFlags << 8) | |
bsalomon@google.com | 64c4fe4 | 2011-11-05 14:51:01 +0000 | [diff] [blame] | 425 | ((uint64_t) desc.fConfig << 32); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 426 | // this code path isn't friendly to tiling with NPOT restricitons |
| 427 | // We just pass ClampNoFilter() |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 428 | gen_texture_key_values(gpu, NULL, descKey, desc.fWidth, |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 429 | desc.fHeight, desc.fSampleCnt, true, v); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 430 | } |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 431 | } |
| 432 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 433 | GrContext::TextureCacheEntry GrContext::lockScratchTexture( |
| 434 | const GrTextureDesc& inDesc, |
| 435 | ScratchTexMatch match) { |
| 436 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 437 | GrTextureDesc desc = inDesc; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 438 | if (kExact_ScratchTexMatch != match) { |
| 439 | // bin by pow2 with a reasonable min |
| 440 | static const int MIN_SIZE = 256; |
| 441 | desc.fWidth = GrMax(MIN_SIZE, GrNextPow2(desc.fWidth)); |
| 442 | desc.fHeight = GrMax(MIN_SIZE, GrNextPow2(desc.fHeight)); |
| 443 | } |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 444 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 445 | GrResourceEntry* entry; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 446 | int origWidth = desc.fWidth; |
| 447 | int origHeight = desc.fHeight; |
| 448 | bool doubledW = false; |
| 449 | bool doubledH = false; |
| 450 | |
| 451 | do { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 452 | uint32_t v[4]; |
| 453 | gen_scratch_tex_key_values(fGpu, desc, v); |
| 454 | GrResourceKey key(v); |
bsalomon@google.com | 558a75b | 2011-08-08 17:01:14 +0000 | [diff] [blame] | 455 | entry = fTextureCache->findAndLock(key, |
| 456 | GrResourceCache::kNested_LockType); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 457 | // if we miss, relax the fit of the flags... |
| 458 | // then try doubling width... then height. |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 459 | if (NULL != entry || kExact_ScratchTexMatch == match) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 460 | break; |
| 461 | } |
| 462 | if (!(desc.fFlags & kRenderTarget_GrTextureFlagBit)) { |
| 463 | desc.fFlags = desc.fFlags | kRenderTarget_GrTextureFlagBit; |
| 464 | } else if (desc.fFlags & kNoStencil_GrTextureFlagBit) { |
| 465 | desc.fFlags = desc.fFlags & ~kNoStencil_GrTextureFlagBit; |
| 466 | } else if (!doubledW) { |
| 467 | desc.fFlags = inDesc.fFlags; |
| 468 | desc.fWidth *= 2; |
| 469 | doubledW = true; |
| 470 | } else if (!doubledH) { |
| 471 | desc.fFlags = inDesc.fFlags; |
| 472 | desc.fWidth = origWidth; |
| 473 | desc.fHeight *= 2; |
| 474 | doubledH = true; |
| 475 | } else { |
| 476 | break; |
| 477 | } |
| 478 | |
| 479 | } while (true); |
| 480 | |
| 481 | if (NULL == entry) { |
| 482 | desc.fFlags = inDesc.fFlags; |
| 483 | desc.fWidth = origWidth; |
| 484 | desc.fHeight = origHeight; |
| 485 | GrTexture* texture = fGpu->createTexture(desc, NULL, 0); |
| 486 | if (NULL != texture) { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 487 | uint32_t v[4]; |
| 488 | gen_scratch_tex_key_values(fGpu, desc, v); |
| 489 | GrResourceKey key(v); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 490 | entry = fTextureCache->createAndLock(key, texture); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | // If the caller gives us the same desc/sampler twice we don't want |
| 495 | // to return the same texture the second time (unless it was previously |
| 496 | // released). So we detach the entry from the cache and reattach at release. |
| 497 | if (NULL != entry) { |
| 498 | fTextureCache->detach(entry); |
| 499 | } |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 500 | return TextureCacheEntry(entry); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 501 | } |
| 502 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 503 | void GrContext::unlockTexture(TextureCacheEntry entry) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 504 | ASSERT_OWNED_RESOURCE(entry.texture()); |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 505 | // If this is a scratch texture we detached it from the cache |
| 506 | // while it was locked (to avoid two callers simultaneously getting |
| 507 | // the same texture). |
| 508 | if (kScratchBit & entry.cacheEntry()->key().getValue32(3)) { |
| 509 | fTextureCache->reattachAndUnlock(entry.cacheEntry()); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 510 | } else { |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 511 | fTextureCache->unlock(entry.cacheEntry()); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 512 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 513 | } |
| 514 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 515 | GrTexture* GrContext::createUncachedTexture(const GrTextureDesc& desc, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 516 | void* srcData, |
| 517 | size_t rowBytes) { |
| 518 | return fGpu->createTexture(desc, srcData, rowBytes); |
| 519 | } |
| 520 | |
| 521 | void GrContext::getTextureCacheLimits(int* maxTextures, |
| 522 | size_t* maxTextureBytes) const { |
| 523 | fTextureCache->getLimits(maxTextures, maxTextureBytes); |
| 524 | } |
| 525 | |
| 526 | void GrContext::setTextureCacheLimits(int maxTextures, size_t maxTextureBytes) { |
| 527 | fTextureCache->setLimits(maxTextures, maxTextureBytes); |
| 528 | } |
| 529 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 530 | int GrContext::getMaxTextureSize() const { |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 531 | return fGpu->getCaps().fMaxTextureSize; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | int GrContext::getMaxRenderTargetSize() const { |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 535 | return fGpu->getCaps().fMaxRenderTargetSize; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 536 | } |
| 537 | |
| 538 | /////////////////////////////////////////////////////////////////////////////// |
| 539 | |
bsalomon@google.com | e269f21 | 2011-11-07 13:29:52 +0000 | [diff] [blame] | 540 | GrTexture* GrContext::createPlatformTexture(const GrPlatformTextureDesc& desc) { |
| 541 | return fGpu->createPlatformTexture(desc); |
| 542 | } |
| 543 | |
| 544 | GrRenderTarget* GrContext::createPlatformRenderTarget(const GrPlatformRenderTargetDesc& desc) { |
| 545 | return fGpu->createPlatformRenderTarget(desc); |
| 546 | } |
| 547 | |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 548 | /////////////////////////////////////////////////////////////////////////////// |
| 549 | |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 550 | bool GrContext::supportsIndex8PixelConfig(const GrSamplerState* sampler, |
bsalomon@google.com | 1f221a7 | 2011-08-23 20:54:07 +0000 | [diff] [blame] | 551 | int width, int height) const { |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 552 | const GrDrawTarget::Caps& caps = fGpu->getCaps(); |
| 553 | if (!caps.f8BitPaletteSupport) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 554 | return false; |
| 555 | } |
| 556 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 557 | bool isPow2 = GrIsPow2(width) && GrIsPow2(height); |
| 558 | |
| 559 | if (!isPow2) { |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 560 | bool tiled = NULL != sampler && |
| 561 | (sampler->getWrapX() != GrSamplerState::kClamp_WrapMode || |
| 562 | sampler->getWrapY() != GrSamplerState::kClamp_WrapMode); |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 563 | if (tiled && !caps.fNPOTTextureTileSupport) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 564 | return false; |
| 565 | } |
| 566 | } |
| 567 | return true; |
| 568 | } |
| 569 | |
| 570 | //////////////////////////////////////////////////////////////////////////////// |
| 571 | |
bsalomon@google.com | 05ef510 | 2011-05-02 21:14:59 +0000 | [diff] [blame] | 572 | const GrClip& GrContext::getClip() const { return fGpu->getClip(); } |
| 573 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 574 | void GrContext::setClip(const GrClip& clip) { |
| 575 | fGpu->setClip(clip); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 576 | fGpu->drawState()->enableState(GrDrawState::kClip_StateBit); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 577 | } |
| 578 | |
| 579 | void GrContext::setClip(const GrIRect& rect) { |
| 580 | GrClip clip; |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 581 | clip.setFromIRect(rect); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 582 | fGpu->setClip(clip); |
| 583 | } |
| 584 | |
| 585 | //////////////////////////////////////////////////////////////////////////////// |
| 586 | |
bsalomon@google.com | 6aa25c3 | 2011-04-27 19:55:29 +0000 | [diff] [blame] | 587 | void GrContext::clear(const GrIRect* rect, const GrColor color) { |
bsalomon@google.com | 398109c | 2011-04-14 18:40:27 +0000 | [diff] [blame] | 588 | this->flush(); |
bsalomon@google.com | 6aa25c3 | 2011-04-27 19:55:29 +0000 | [diff] [blame] | 589 | fGpu->clear(rect, color); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 590 | } |
| 591 | |
| 592 | void GrContext::drawPaint(const GrPaint& paint) { |
| 593 | // set rect to be big enough to fill the space, but not super-huge, so we |
| 594 | // don't overflow fixed-point implementations |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 595 | GrRect r; |
| 596 | r.setLTRB(0, 0, |
| 597 | GrIntToScalar(getRenderTarget()->width()), |
| 598 | GrIntToScalar(getRenderTarget()->height())); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 599 | GrMatrix inverse; |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 600 | SkTLazy<GrPaint> tmpPaint; |
| 601 | const GrPaint* p = &paint; |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 602 | GrDrawState* drawState = fGpu->drawState(); |
| 603 | GrAutoMatrix am; |
| 604 | |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 605 | // We attempt to map r by the inverse matrix and draw that. mapRect will |
| 606 | // map the four corners and bound them with a new rect. This will not |
| 607 | // produce a correct result for some perspective matrices. |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 608 | if (!this->getMatrix().hasPerspective()) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 609 | if (!drawState->getViewInverse(&inverse)) { |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 610 | GrPrintf("Could not invert matrix"); |
| 611 | return; |
| 612 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 613 | inverse.mapRect(&r); |
| 614 | } else { |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 615 | if (paint.getActiveMaskStageMask() || paint.getActiveStageMask()) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 616 | if (!drawState->getViewInverse(&inverse)) { |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 617 | GrPrintf("Could not invert matrix"); |
| 618 | return; |
| 619 | } |
| 620 | tmpPaint.set(paint); |
| 621 | tmpPaint.get()->preConcatActiveSamplerMatrices(inverse); |
| 622 | p = tmpPaint.get(); |
| 623 | } |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 624 | am.set(this, GrMatrix::I()); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 625 | } |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 626 | // by definition this fills the entire clip, no need for AA |
| 627 | if (paint.fAntiAlias) { |
bsalomon@google.com | 8c2fe99 | 2011-09-13 15:27:18 +0000 | [diff] [blame] | 628 | if (!tmpPaint.isValid()) { |
| 629 | tmpPaint.set(paint); |
| 630 | p = tmpPaint.get(); |
| 631 | } |
| 632 | GrAssert(p == tmpPaint.get()); |
| 633 | tmpPaint.get()->fAntiAlias = false; |
bsalomon@google.com | 4f83be8 | 2011-09-12 13:52:51 +0000 | [diff] [blame] | 634 | } |
| 635 | this->drawRect(*p, r); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 636 | } |
| 637 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 638 | //////////////////////////////////////////////////////////////////////////////// |
| 639 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 640 | namespace { |
| 641 | inline bool disable_coverage_aa_for_blend(GrDrawTarget* target) { |
| 642 | return DISABLE_COVERAGE_AA_FOR_BLEND && !target->canApplyCoverage(); |
| 643 | } |
| 644 | } |
| 645 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 646 | struct GrContext::OffscreenRecord { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 647 | enum Downsample { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 648 | k4x4SinglePass_Downsample, |
| 649 | kFSAA_Downsample |
| 650 | } fDownsample; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 651 | int fTileSizeX; |
| 652 | int fTileSizeY; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 653 | int fTileCountX; |
| 654 | int fTileCountY; |
| 655 | int fScale; |
bsalomon@google.com | dafde9e | 2012-01-11 18:45:39 +0000 | [diff] [blame] | 656 | GrAutoScratchTexture fOffscreen; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 657 | GrDrawTarget::SavedDrawState fSavedState; |
tomhudson@google.com | 237a461 | 2011-07-19 15:44:00 +0000 | [diff] [blame] | 658 | GrClip fClip; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 659 | }; |
| 660 | |
bsalomon@google.com | 471d471 | 2011-08-23 15:45:25 +0000 | [diff] [blame] | 661 | bool GrContext::doOffscreenAA(GrDrawTarget* target, |
bsalomon@google.com | 471d471 | 2011-08-23 15:45:25 +0000 | [diff] [blame] | 662 | bool isHairLines) const { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 663 | #if !GR_USE_OFFSCREEN_AA |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 664 | return false; |
| 665 | #else |
bsalomon@google.com | 1f221a7 | 2011-08-23 20:54:07 +0000 | [diff] [blame] | 666 | // Line primitves are always rasterized as 1 pixel wide. |
| 667 | // Super-sampling would make them too thin but MSAA would be OK. |
| 668 | if (isHairLines && |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 669 | (!PREFER_MSAA_OFFSCREEN_AA || !fGpu->getCaps().fFSAASupport)) { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 670 | return false; |
| 671 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 672 | if (target->getDrawState().getRenderTarget()->isMultisampled()) { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 673 | return false; |
| 674 | } |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 675 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 676 | #if GR_DEBUG |
bsalomon@google.com | 979432b | 2011-11-05 21:38:22 +0000 | [diff] [blame] | 677 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 678 | #endif |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 679 | return false; |
| 680 | } |
| 681 | return true; |
| 682 | #endif |
| 683 | } |
| 684 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 685 | bool GrContext::prepareForOffscreenAA(GrDrawTarget* target, |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 686 | bool requireStencil, |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 687 | const GrIRect& boundRect, |
tomhudson@google.com | d22b6e4 | 2011-06-24 15:53:40 +0000 | [diff] [blame] | 688 | GrPathRenderer* pr, |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 689 | OffscreenRecord* record) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 690 | |
| 691 | GrAssert(GR_USE_OFFSCREEN_AA); |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 692 | |
bsalomon@google.com | 46579e0 | 2012-01-11 18:51:15 +0000 | [diff] [blame] | 693 | GrAssert(NULL == record->fOffscreen.texture()); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 694 | GrAssert(!boundRect.isEmpty()); |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 695 | |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 696 | int boundW = boundRect.width(); |
| 697 | int boundH = boundRect.height(); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 698 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 699 | GrTextureDesc desc; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 700 | |
| 701 | desc.fWidth = GrMin(fMaxOffscreenAASize, boundW); |
| 702 | desc.fHeight = GrMin(fMaxOffscreenAASize, boundH); |
| 703 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 704 | if (requireStencil) { |
| 705 | desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 706 | } else { |
| 707 | desc.fFlags = kRenderTarget_GrTextureFlagBit | |
| 708 | kNoStencil_GrTextureFlagBit; |
| 709 | } |
| 710 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 711 | desc.fConfig = kRGBA_8888_PM_GrPixelConfig; |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 712 | |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 713 | if (PREFER_MSAA_OFFSCREEN_AA && fGpu->getCaps().fFSAASupport) { |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 714 | record->fDownsample = OffscreenRecord::kFSAA_Downsample; |
tomhudson@google.com | d22b6e4 | 2011-06-24 15:53:40 +0000 | [diff] [blame] | 715 | record->fScale = 1; |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 716 | // 16 samples matches what the skia sw rasterizer uses. (There is no |
| 717 | // accessible constant to reference from sw code). |
| 718 | desc.fSampleCnt = 16; |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 719 | } else { |
bsalomon@google.com | dafde9e | 2012-01-11 18:45:39 +0000 | [diff] [blame] | 720 | record->fDownsample = OffscreenRecord::k4x4SinglePass_Downsample; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 721 | record->fScale = OFFSCREEN_SSAA_SCALE; |
| 722 | // both downsample paths assume this |
| 723 | GR_STATIC_ASSERT(4 == OFFSCREEN_SSAA_SCALE); |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 724 | desc.fSampleCnt = 0; |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 725 | } |
tomhudson@google.com | d22b6e4 | 2011-06-24 15:53:40 +0000 | [diff] [blame] | 726 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 727 | desc.fWidth *= record->fScale; |
| 728 | desc.fHeight *= record->fScale; |
bsalomon@google.com | dafde9e | 2012-01-11 18:45:39 +0000 | [diff] [blame] | 729 | record->fOffscreen.set(this, desc); |
| 730 | if (NULL == record->fOffscreen.texture()) { |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 731 | return false; |
| 732 | } |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 733 | // the approximate lookup might have given us some slop space, might as well |
| 734 | // use it when computing the tiles size. |
| 735 | // these are scale values, will adjust after considering |
| 736 | // the possible second offscreen. |
bsalomon@google.com | dafde9e | 2012-01-11 18:45:39 +0000 | [diff] [blame] | 737 | record->fTileSizeX = record->fOffscreen.texture()->width(); |
| 738 | record->fTileSizeY = record->fOffscreen.texture()->height(); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 739 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 740 | record->fTileSizeX /= record->fScale; |
| 741 | record->fTileSizeY /= record->fScale; |
| 742 | |
| 743 | record->fTileCountX = GrIDivRoundUp(boundW, record->fTileSizeX); |
| 744 | record->fTileCountY = GrIDivRoundUp(boundH, record->fTileSizeY); |
| 745 | |
tomhudson@google.com | 237a461 | 2011-07-19 15:44:00 +0000 | [diff] [blame] | 746 | record->fClip = target->getClip(); |
| 747 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 748 | target->saveCurrentDrawState(&record->fSavedState); |
| 749 | return true; |
| 750 | } |
| 751 | |
| 752 | void GrContext::setupOffscreenAAPass1(GrDrawTarget* target, |
| 753 | const GrIRect& boundRect, |
| 754 | int tileX, int tileY, |
| 755 | OffscreenRecord* record) { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 756 | |
bsalomon@google.com | dafde9e | 2012-01-11 18:45:39 +0000 | [diff] [blame] | 757 | GrRenderTarget* offRT = record->fOffscreen.texture()->asRenderTarget(); |
| 758 | GrAssert(NULL != offRT); |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 759 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 760 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | 52a5dcb | 2012-01-17 16:01:37 +0000 | [diff] [blame] | 761 | GrMatrix vm = drawState->getViewMatrix(); |
| 762 | drawState->reset(); |
| 763 | *drawState->viewMatrix() = vm; |
bsalomon@google.com | dafde9e | 2012-01-11 18:45:39 +0000 | [diff] [blame] | 764 | drawState->setRenderTarget(offRT); |
bsalomon@google.com | 46f7afb | 2012-01-18 19:51:55 +0000 | [diff] [blame] | 765 | |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 766 | #if PREFER_MSAA_OFFSCREEN_AA |
bsalomon@google.com | 337af17 | 2012-01-11 16:00:42 +0000 | [diff] [blame] | 767 | drawState->enableState(GrDrawState::kHWAntialias_StateBit); |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 768 | #endif |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 769 | |
bsalomon@google.com | 3d0835b | 2011-12-08 16:12:03 +0000 | [diff] [blame] | 770 | GrMatrix transM; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 771 | int left = boundRect.fLeft + tileX * record->fTileSizeX; |
| 772 | int top = boundRect.fTop + tileY * record->fTileSizeY; |
bsalomon@google.com | 3d0835b | 2011-12-08 16:12:03 +0000 | [diff] [blame] | 773 | transM.setTranslate(-left * GR_Scalar1, -top * GR_Scalar1); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 774 | drawState->viewMatrix()->postConcat(transM); |
bsalomon@google.com | 3d0835b | 2011-12-08 16:12:03 +0000 | [diff] [blame] | 775 | GrMatrix scaleM; |
| 776 | scaleM.setScale(record->fScale * GR_Scalar1, record->fScale * GR_Scalar1); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 777 | drawState->viewMatrix()->postConcat(scaleM); |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 778 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 779 | int w = (tileX == record->fTileCountX-1) ? boundRect.fRight - left : |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 780 | record->fTileSizeX; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 781 | int h = (tileY == record->fTileCountY-1) ? boundRect.fBottom - top : |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 782 | record->fTileSizeY; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 783 | GrIRect clear = SkIRect::MakeWH(record->fScale * w, |
| 784 | record->fScale * h); |
tomhudson@google.com | 237a461 | 2011-07-19 15:44:00 +0000 | [diff] [blame] | 785 | target->setClip(GrClip(clear)); |
bsalomon@google.com | 46f7afb | 2012-01-18 19:51:55 +0000 | [diff] [blame] | 786 | drawState->enableState(GrDrawState::kClip_StateBit); |
| 787 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 788 | #if 0 |
| 789 | // visualize tile boundaries by setting edges of offscreen to white |
| 790 | // and interior to tranparent. black. |
| 791 | target->clear(&clear, 0xffffffff); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 792 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 793 | static const int gOffset = 2; |
| 794 | GrIRect clear2 = SkIRect::MakeLTRB(gOffset, gOffset, |
| 795 | record->fScale * w - gOffset, |
| 796 | record->fScale * h - gOffset); |
| 797 | target->clear(&clear2, 0x0); |
| 798 | #else |
| 799 | target->clear(&clear, 0x0); |
| 800 | #endif |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 801 | } |
| 802 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 803 | void GrContext::doOffscreenAAPass2(GrDrawTarget* target, |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 804 | const GrPaint& paint, |
| 805 | const GrIRect& boundRect, |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 806 | int tileX, int tileY, |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 807 | OffscreenRecord* record) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 808 | SK_TRACE_EVENT0("GrContext::doOffscreenAAPass2"); |
bsalomon@google.com | 46579e0 | 2012-01-11 18:51:15 +0000 | [diff] [blame] | 809 | GrAssert(NULL != record->fOffscreen.texture()); |
bsalomon@google.com | ee43512 | 2011-07-01 14:57:55 +0000 | [diff] [blame] | 810 | GrDrawTarget::AutoGeometryPush agp(target); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 811 | GrIRect tileRect; |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 812 | tileRect.fLeft = boundRect.fLeft + tileX * record->fTileSizeX; |
| 813 | tileRect.fTop = boundRect.fTop + tileY * record->fTileSizeY, |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 814 | tileRect.fRight = (tileX == record->fTileCountX-1) ? |
| 815 | boundRect.fRight : |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 816 | tileRect.fLeft + record->fTileSizeX; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 817 | tileRect.fBottom = (tileY == record->fTileCountY-1) ? |
| 818 | boundRect.fBottom : |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 819 | tileRect.fTop + record->fTileSizeY; |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 820 | |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 821 | GrSamplerState::Filter filter; |
| 822 | if (OffscreenRecord::k4x4SinglePass_Downsample == record->fDownsample) { |
| 823 | filter = GrSamplerState::k4x4Downsample_Filter; |
| 824 | } else { |
| 825 | filter = GrSamplerState::kBilinear_Filter; |
| 826 | } |
| 827 | |
bsalomon@google.com | dafde9e | 2012-01-11 18:45:39 +0000 | [diff] [blame] | 828 | GrTexture* src = record->fOffscreen.texture(); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 829 | int scale; |
| 830 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 831 | enum { |
| 832 | kOffscreenStage = GrPaint::kTotalStages, |
| 833 | }; |
| 834 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 835 | GrDrawState* drawState = target->drawState(); |
| 836 | |
bsalomon@google.com | dafde9e | 2012-01-11 18:45:39 +0000 | [diff] [blame] | 837 | if (OffscreenRecord::kFSAA_Downsample == record->fDownsample) { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 838 | scale = 1; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 839 | GrIRect rect = SkIRect::MakeWH(tileRect.width(), tileRect.height()); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 840 | src->asRenderTarget()->overrideResolveRect(rect); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 841 | } else { |
| 842 | GrAssert(OffscreenRecord::k4x4SinglePass_Downsample == |
| 843 | record->fDownsample); |
| 844 | scale = 4; |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 845 | } |
| 846 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 847 | // setup for draw back to main RT, we use the original |
| 848 | // draw state setup by the caller plus an additional coverage |
| 849 | // stage to handle the AA resolve. Also, we use an identity |
| 850 | // view matrix and so pre-concat sampler matrices with view inv. |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 851 | int stageMask = paint.getActiveStageMask(); |
| 852 | |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 853 | target->restoreDrawState(record->fSavedState); |
tomhudson@google.com | 237a461 | 2011-07-19 15:44:00 +0000 | [diff] [blame] | 854 | target->setClip(record->fClip); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 855 | |
| 856 | if (stageMask) { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 857 | GrMatrix invVM; |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 858 | if (drawState->getViewInverse(&invVM)) { |
| 859 | drawState->preConcatSamplerMatrices(stageMask, invVM); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 860 | } |
| 861 | } |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 862 | // This is important when tiling, otherwise second tile's |
| 863 | // pass 1 view matrix will be incorrect. |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 864 | GrDrawState::AutoViewMatrixRestore avmr(drawState, GrMatrix::I()); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 865 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 866 | drawState->setTexture(kOffscreenStage, src); |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 867 | GrSamplerState* sampler = drawState->sampler(kOffscreenStage); |
| 868 | sampler->reset(GrSamplerState::kClamp_WrapMode, filter); |
bsalomon@google.com | aa814fe | 2011-12-12 18:45:07 +0000 | [diff] [blame] | 869 | sampler->matrix()->setScale(scale * GR_Scalar1 / src->width(), |
| 870 | scale * GR_Scalar1 / src->height()); |
| 871 | sampler->matrix()->preTranslate(SkIntToScalar(-tileRect.fLeft), |
| 872 | SkIntToScalar(-tileRect.fTop)); |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 873 | |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 874 | GrRect dstRect; |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 875 | int stages = (1 << kOffscreenStage) | stageMask; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 876 | dstRect.set(tileRect); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 877 | target->drawSimpleRect(dstRect, NULL, stages); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 878 | } |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 879 | |
tomhudson@google.com | d22b6e4 | 2011-06-24 15:53:40 +0000 | [diff] [blame] | 880 | void GrContext::cleanupOffscreenAA(GrDrawTarget* target, |
| 881 | GrPathRenderer* pr, |
| 882 | OffscreenRecord* record) { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 883 | target->restoreDrawState(record->fSavedState); |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 884 | } |
| 885 | |
| 886 | //////////////////////////////////////////////////////////////////////////////// |
| 887 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 888 | /* create a triangle strip that strokes the specified triangle. There are 8 |
| 889 | unique vertices, but we repreat the last 2 to close up. Alternatively we |
| 890 | could use an indices array, and then only send 8 verts, but not sure that |
| 891 | would be faster. |
| 892 | */ |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 893 | static void setStrokeRectStrip(GrPoint verts[10], GrRect rect, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 894 | GrScalar width) { |
| 895 | const GrScalar rad = GrScalarHalf(width); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 896 | rect.sort(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 897 | |
| 898 | verts[0].set(rect.fLeft + rad, rect.fTop + rad); |
| 899 | verts[1].set(rect.fLeft - rad, rect.fTop - rad); |
| 900 | verts[2].set(rect.fRight - rad, rect.fTop + rad); |
| 901 | verts[3].set(rect.fRight + rad, rect.fTop - rad); |
| 902 | verts[4].set(rect.fRight - rad, rect.fBottom - rad); |
| 903 | verts[5].set(rect.fRight + rad, rect.fBottom + rad); |
| 904 | verts[6].set(rect.fLeft + rad, rect.fBottom - rad); |
| 905 | verts[7].set(rect.fLeft - rad, rect.fBottom + rad); |
| 906 | verts[8] = verts[0]; |
| 907 | verts[9] = verts[1]; |
| 908 | } |
| 909 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 910 | static void setInsetFan(GrPoint* pts, size_t stride, |
| 911 | const GrRect& r, GrScalar dx, GrScalar dy) { |
| 912 | pts->setRectFan(r.fLeft + dx, r.fTop + dy, r.fRight - dx, r.fBottom - dy, stride); |
| 913 | } |
| 914 | |
| 915 | static const uint16_t gFillAARectIdx[] = { |
| 916 | 0, 1, 5, 5, 4, 0, |
| 917 | 1, 2, 6, 6, 5, 1, |
| 918 | 2, 3, 7, 7, 6, 2, |
| 919 | 3, 0, 4, 4, 7, 3, |
| 920 | 4, 5, 6, 6, 7, 4, |
| 921 | }; |
| 922 | |
| 923 | int GrContext::aaFillRectIndexCount() const { |
| 924 | return GR_ARRAY_COUNT(gFillAARectIdx); |
| 925 | } |
| 926 | |
| 927 | GrIndexBuffer* GrContext::aaFillRectIndexBuffer() { |
| 928 | if (NULL == fAAFillRectIndexBuffer) { |
| 929 | fAAFillRectIndexBuffer = fGpu->createIndexBuffer(sizeof(gFillAARectIdx), |
| 930 | false); |
bsalomon@google.com | 9b09c9e | 2011-08-31 13:33:40 +0000 | [diff] [blame] | 931 | if (NULL != fAAFillRectIndexBuffer) { |
| 932 | #if GR_DEBUG |
| 933 | bool updated = |
| 934 | #endif |
| 935 | fAAFillRectIndexBuffer->updateData(gFillAARectIdx, |
| 936 | sizeof(gFillAARectIdx)); |
| 937 | GR_DEBUGASSERT(updated); |
| 938 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 939 | } |
| 940 | return fAAFillRectIndexBuffer; |
| 941 | } |
| 942 | |
| 943 | static const uint16_t gStrokeAARectIdx[] = { |
| 944 | 0 + 0, 1 + 0, 5 + 0, 5 + 0, 4 + 0, 0 + 0, |
| 945 | 1 + 0, 2 + 0, 6 + 0, 6 + 0, 5 + 0, 1 + 0, |
| 946 | 2 + 0, 3 + 0, 7 + 0, 7 + 0, 6 + 0, 2 + 0, |
| 947 | 3 + 0, 0 + 0, 4 + 0, 4 + 0, 7 + 0, 3 + 0, |
| 948 | |
| 949 | 0 + 4, 1 + 4, 5 + 4, 5 + 4, 4 + 4, 0 + 4, |
| 950 | 1 + 4, 2 + 4, 6 + 4, 6 + 4, 5 + 4, 1 + 4, |
| 951 | 2 + 4, 3 + 4, 7 + 4, 7 + 4, 6 + 4, 2 + 4, |
| 952 | 3 + 4, 0 + 4, 4 + 4, 4 + 4, 7 + 4, 3 + 4, |
| 953 | |
| 954 | 0 + 8, 1 + 8, 5 + 8, 5 + 8, 4 + 8, 0 + 8, |
| 955 | 1 + 8, 2 + 8, 6 + 8, 6 + 8, 5 + 8, 1 + 8, |
| 956 | 2 + 8, 3 + 8, 7 + 8, 7 + 8, 6 + 8, 2 + 8, |
| 957 | 3 + 8, 0 + 8, 4 + 8, 4 + 8, 7 + 8, 3 + 8, |
| 958 | }; |
| 959 | |
| 960 | int GrContext::aaStrokeRectIndexCount() const { |
| 961 | return GR_ARRAY_COUNT(gStrokeAARectIdx); |
| 962 | } |
| 963 | |
| 964 | GrIndexBuffer* GrContext::aaStrokeRectIndexBuffer() { |
| 965 | if (NULL == fAAStrokeRectIndexBuffer) { |
| 966 | fAAStrokeRectIndexBuffer = fGpu->createIndexBuffer(sizeof(gStrokeAARectIdx), |
| 967 | false); |
bsalomon@google.com | 9b09c9e | 2011-08-31 13:33:40 +0000 | [diff] [blame] | 968 | if (NULL != fAAStrokeRectIndexBuffer) { |
| 969 | #if GR_DEBUG |
| 970 | bool updated = |
| 971 | #endif |
| 972 | fAAStrokeRectIndexBuffer->updateData(gStrokeAARectIdx, |
| 973 | sizeof(gStrokeAARectIdx)); |
| 974 | GR_DEBUGASSERT(updated); |
| 975 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 976 | } |
| 977 | return fAAStrokeRectIndexBuffer; |
| 978 | } |
| 979 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 980 | static GrVertexLayout aa_rect_layout(const GrDrawTarget* target, |
| 981 | bool useCoverage) { |
| 982 | GrVertexLayout layout = 0; |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 983 | for (int s = 0; s < GrDrawState::kNumStages; ++s) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 984 | if (NULL != target->getDrawState().getTexture(s)) { |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 985 | layout |= GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(s); |
| 986 | } |
| 987 | } |
| 988 | if (useCoverage) { |
| 989 | layout |= GrDrawTarget::kCoverage_VertexLayoutBit; |
| 990 | } else { |
| 991 | layout |= GrDrawTarget::kColor_VertexLayoutBit; |
| 992 | } |
| 993 | return layout; |
| 994 | } |
| 995 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 996 | void GrContext::fillAARect(GrDrawTarget* target, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 997 | const GrRect& devRect, |
| 998 | bool useVertexCoverage) { |
| 999 | GrVertexLayout layout = aa_rect_layout(target, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1000 | |
| 1001 | size_t vsize = GrDrawTarget::VertexSize(layout); |
| 1002 | |
| 1003 | GrDrawTarget::AutoReleaseGeometry geo(target, layout, 8, 0); |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 1004 | if (!geo.succeeded()) { |
| 1005 | GrPrintf("Failed to get space for vertices!\n"); |
| 1006 | return; |
| 1007 | } |
bsalomon@google.com | 9b09c9e | 2011-08-31 13:33:40 +0000 | [diff] [blame] | 1008 | GrIndexBuffer* indexBuffer = this->aaFillRectIndexBuffer(); |
| 1009 | if (NULL == indexBuffer) { |
| 1010 | GrPrintf("Failed to create index buffer!\n"); |
| 1011 | return; |
| 1012 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1013 | |
| 1014 | intptr_t verts = reinterpret_cast<intptr_t>(geo.vertices()); |
| 1015 | |
| 1016 | GrPoint* fan0Pos = reinterpret_cast<GrPoint*>(verts); |
| 1017 | GrPoint* fan1Pos = reinterpret_cast<GrPoint*>(verts + 4 * vsize); |
| 1018 | |
| 1019 | setInsetFan(fan0Pos, vsize, devRect, -GR_ScalarHalf, -GR_ScalarHalf); |
| 1020 | setInsetFan(fan1Pos, vsize, devRect, GR_ScalarHalf, GR_ScalarHalf); |
| 1021 | |
| 1022 | verts += sizeof(GrPoint); |
| 1023 | for (int i = 0; i < 4; ++i) { |
| 1024 | *reinterpret_cast<GrColor*>(verts + i * vsize) = 0; |
| 1025 | } |
| 1026 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1027 | GrColor innerColor; |
| 1028 | if (useVertexCoverage) { |
bsalomon@google.com | e10f6fd | 2011-10-11 20:15:26 +0000 | [diff] [blame] | 1029 | innerColor = 0xffffffff; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1030 | } else { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1031 | innerColor = target->getDrawState().getColor(); |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1032 | } |
| 1033 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1034 | verts += 4 * vsize; |
| 1035 | for (int i = 0; i < 4; ++i) { |
| 1036 | *reinterpret_cast<GrColor*>(verts + i * vsize) = innerColor; |
| 1037 | } |
| 1038 | |
bsalomon@google.com | 9b09c9e | 2011-08-31 13:33:40 +0000 | [diff] [blame] | 1039 | target->setIndexSourceToBuffer(indexBuffer); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1040 | |
| 1041 | target->drawIndexed(kTriangles_PrimitiveType, 0, |
| 1042 | 0, 8, this->aaFillRectIndexCount()); |
| 1043 | } |
| 1044 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1045 | void GrContext::strokeAARect(GrDrawTarget* target, |
| 1046 | const GrRect& devRect, |
| 1047 | const GrVec& devStrokeSize, |
| 1048 | bool useVertexCoverage) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1049 | const GrScalar& dx = devStrokeSize.fX; |
| 1050 | const GrScalar& dy = devStrokeSize.fY; |
| 1051 | const GrScalar rx = GrMul(dx, GR_ScalarHalf); |
| 1052 | const GrScalar ry = GrMul(dy, GR_ScalarHalf); |
| 1053 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1054 | GrScalar spare; |
| 1055 | { |
| 1056 | GrScalar w = devRect.width() - dx; |
| 1057 | GrScalar h = devRect.height() - dy; |
| 1058 | spare = GrMin(w, h); |
| 1059 | } |
| 1060 | |
| 1061 | if (spare <= 0) { |
| 1062 | GrRect r(devRect); |
| 1063 | r.inset(-rx, -ry); |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1064 | fillAARect(target, r, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1065 | return; |
| 1066 | } |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1067 | GrVertexLayout layout = aa_rect_layout(target, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1068 | size_t vsize = GrDrawTarget::VertexSize(layout); |
| 1069 | |
| 1070 | GrDrawTarget::AutoReleaseGeometry geo(target, layout, 16, 0); |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 1071 | if (!geo.succeeded()) { |
| 1072 | GrPrintf("Failed to get space for vertices!\n"); |
| 1073 | return; |
| 1074 | } |
bsalomon@google.com | 9b09c9e | 2011-08-31 13:33:40 +0000 | [diff] [blame] | 1075 | GrIndexBuffer* indexBuffer = this->aaStrokeRectIndexBuffer(); |
| 1076 | if (NULL == indexBuffer) { |
| 1077 | GrPrintf("Failed to create index buffer!\n"); |
| 1078 | return; |
| 1079 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1080 | |
| 1081 | intptr_t verts = reinterpret_cast<intptr_t>(geo.vertices()); |
| 1082 | |
| 1083 | GrPoint* fan0Pos = reinterpret_cast<GrPoint*>(verts); |
| 1084 | GrPoint* fan1Pos = reinterpret_cast<GrPoint*>(verts + 4 * vsize); |
| 1085 | GrPoint* fan2Pos = reinterpret_cast<GrPoint*>(verts + 8 * vsize); |
| 1086 | GrPoint* fan3Pos = reinterpret_cast<GrPoint*>(verts + 12 * vsize); |
| 1087 | |
| 1088 | setInsetFan(fan0Pos, vsize, devRect, -rx - GR_ScalarHalf, -ry - GR_ScalarHalf); |
| 1089 | setInsetFan(fan1Pos, vsize, devRect, -rx + GR_ScalarHalf, -ry + GR_ScalarHalf); |
| 1090 | setInsetFan(fan2Pos, vsize, devRect, rx - GR_ScalarHalf, ry - GR_ScalarHalf); |
| 1091 | setInsetFan(fan3Pos, vsize, devRect, rx + GR_ScalarHalf, ry + GR_ScalarHalf); |
| 1092 | |
| 1093 | verts += sizeof(GrPoint); |
| 1094 | for (int i = 0; i < 4; ++i) { |
| 1095 | *reinterpret_cast<GrColor*>(verts + i * vsize) = 0; |
| 1096 | } |
| 1097 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1098 | GrColor innerColor; |
| 1099 | if (useVertexCoverage) { |
bsalomon@google.com | e10f6fd | 2011-10-11 20:15:26 +0000 | [diff] [blame] | 1100 | innerColor = 0xffffffff; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1101 | } else { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1102 | innerColor = target->getDrawState().getColor(); |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1103 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1104 | verts += 4 * vsize; |
| 1105 | for (int i = 0; i < 8; ++i) { |
| 1106 | *reinterpret_cast<GrColor*>(verts + i * vsize) = innerColor; |
| 1107 | } |
| 1108 | |
| 1109 | verts += 8 * vsize; |
| 1110 | for (int i = 0; i < 8; ++i) { |
| 1111 | *reinterpret_cast<GrColor*>(verts + i * vsize) = 0; |
| 1112 | } |
| 1113 | |
bsalomon@google.com | 9b09c9e | 2011-08-31 13:33:40 +0000 | [diff] [blame] | 1114 | target->setIndexSourceToBuffer(indexBuffer); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1115 | target->drawIndexed(kTriangles_PrimitiveType, |
| 1116 | 0, 0, 16, aaStrokeRectIndexCount()); |
| 1117 | } |
| 1118 | |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 1119 | /** |
| 1120 | * Returns true if the rects edges are integer-aligned. |
| 1121 | */ |
| 1122 | static bool isIRect(const GrRect& r) { |
| 1123 | return GrScalarIsInt(r.fLeft) && GrScalarIsInt(r.fTop) && |
| 1124 | GrScalarIsInt(r.fRight) && GrScalarIsInt(r.fBottom); |
| 1125 | } |
| 1126 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1127 | static bool apply_aa_to_rect(GrDrawTarget* target, |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1128 | const GrRect& rect, |
| 1129 | GrScalar width, |
| 1130 | const GrMatrix* matrix, |
| 1131 | GrMatrix* combinedMatrix, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1132 | GrRect* devRect, |
| 1133 | bool* useVertexCoverage) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 1134 | // we use a simple coverage ramp to do aa on axis-aligned rects |
| 1135 | // we check if the rect will be axis-aligned, and the rect won't land on |
| 1136 | // integer coords. |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1137 | |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1138 | // we are keeping around the "tweak the alpha" trick because |
| 1139 | // it is our only hope for the fixed-pipe implementation. |
| 1140 | // In a shader implementation we can give a separate coverage input |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1141 | // TODO: remove this ugliness when we drop the fixed-pipe impl |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1142 | *useVertexCoverage = false; |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1143 | if (!target->canTweakAlphaForCoverage()) { |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 1144 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1145 | #if GR_DEBUG |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 1146 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1147 | #endif |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1148 | return false; |
bsalomon@google.com | 2eba795 | 2012-01-12 13:47:37 +0000 | [diff] [blame] | 1149 | } else { |
| 1150 | *useVertexCoverage = true; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1151 | } |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1152 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1153 | const GrDrawState& drawState = target->getDrawState(); |
| 1154 | if (drawState.getRenderTarget()->isMultisampled()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1155 | return false; |
| 1156 | } |
| 1157 | |
bsalomon@google.com | 471d471 | 2011-08-23 15:45:25 +0000 | [diff] [blame] | 1158 | if (0 == width && target->willUseHWAALines()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1159 | return false; |
| 1160 | } |
| 1161 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1162 | if (!drawState.getViewMatrix().preservesAxisAlignment()) { |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1163 | return false; |
| 1164 | } |
| 1165 | |
| 1166 | if (NULL != matrix && |
| 1167 | !matrix->preservesAxisAlignment()) { |
| 1168 | return false; |
| 1169 | } |
| 1170 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1171 | *combinedMatrix = drawState.getViewMatrix(); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1172 | if (NULL != matrix) { |
| 1173 | combinedMatrix->preConcat(*matrix); |
| 1174 | GrAssert(combinedMatrix->preservesAxisAlignment()); |
| 1175 | } |
| 1176 | |
| 1177 | combinedMatrix->mapRect(devRect, rect); |
| 1178 | devRect->sort(); |
| 1179 | |
| 1180 | if (width < 0) { |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 1181 | return !isIRect(*devRect); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1182 | } else { |
| 1183 | return true; |
| 1184 | } |
| 1185 | } |
| 1186 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1187 | void GrContext::drawRect(const GrPaint& paint, |
| 1188 | const GrRect& rect, |
| 1189 | GrScalar width, |
| 1190 | const GrMatrix* matrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1191 | SK_TRACE_EVENT0("GrContext::drawRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1192 | |
| 1193 | GrDrawTarget* target = this->prepareToDraw(paint, kUnbuffered_DrawCategory); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1194 | int stageMask = paint.getActiveStageMask(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1195 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1196 | GrRect devRect = rect; |
| 1197 | GrMatrix combinedMatrix; |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1198 | bool useVertexCoverage; |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1199 | bool needAA = paint.fAntiAlias && |
| 1200 | !this->getRenderTarget()->isMultisampled(); |
| 1201 | bool doAA = needAA && apply_aa_to_rect(target, rect, width, matrix, |
| 1202 | &combinedMatrix, &devRect, |
| 1203 | &useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1204 | |
| 1205 | if (doAA) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1206 | GrDrawTarget::AutoDeviceCoordDraw adcd(target, stageMask); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1207 | if (width >= 0) { |
| 1208 | GrVec strokeSize;; |
| 1209 | if (width > 0) { |
| 1210 | strokeSize.set(width, width); |
bsalomon@google.com | cc4dac3 | 2011-05-10 13:52:42 +0000 | [diff] [blame] | 1211 | combinedMatrix.mapVectors(&strokeSize, 1); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1212 | strokeSize.setAbs(strokeSize); |
| 1213 | } else { |
| 1214 | strokeSize.set(GR_Scalar1, GR_Scalar1); |
| 1215 | } |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1216 | strokeAARect(target, devRect, strokeSize, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1217 | } else { |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1218 | fillAARect(target, devRect, useVertexCoverage); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1219 | } |
| 1220 | return; |
| 1221 | } |
| 1222 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1223 | if (width >= 0) { |
| 1224 | // TODO: consider making static vertex buffers for these cases. |
| 1225 | // Hairline could be done by just adding closing vertex to |
| 1226 | // unitSquareVertexBuffer() |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1227 | GrVertexLayout layout = PaintStageVertexLayoutBits(paint, NULL); |
| 1228 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1229 | static const int worstCaseVertCount = 10; |
| 1230 | GrDrawTarget::AutoReleaseGeometry geo(target, layout, worstCaseVertCount, 0); |
| 1231 | |
| 1232 | if (!geo.succeeded()) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 1233 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1234 | return; |
| 1235 | } |
| 1236 | |
| 1237 | GrPrimitiveType primType; |
| 1238 | int vertCount; |
| 1239 | GrPoint* vertex = geo.positions(); |
| 1240 | |
| 1241 | if (width > 0) { |
| 1242 | vertCount = 10; |
| 1243 | primType = kTriangleStrip_PrimitiveType; |
| 1244 | setStrokeRectStrip(vertex, rect, width); |
| 1245 | } else { |
| 1246 | // hairline |
| 1247 | vertCount = 5; |
| 1248 | primType = kLineStrip_PrimitiveType; |
| 1249 | vertex[0].set(rect.fLeft, rect.fTop); |
| 1250 | vertex[1].set(rect.fRight, rect.fTop); |
| 1251 | vertex[2].set(rect.fRight, rect.fBottom); |
| 1252 | vertex[3].set(rect.fLeft, rect.fBottom); |
| 1253 | vertex[4].set(rect.fLeft, rect.fTop); |
| 1254 | } |
| 1255 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1256 | GrDrawState::AutoViewMatrixRestore avmr; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1257 | if (NULL != matrix) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1258 | GrDrawState* drawState = target->drawState(); |
| 1259 | avmr.set(drawState); |
| 1260 | drawState->preConcatViewMatrix(*matrix); |
| 1261 | drawState->preConcatSamplerMatrices(stageMask, *matrix); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1262 | } |
| 1263 | |
| 1264 | target->drawNonIndexed(primType, 0, vertCount); |
| 1265 | } else { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1266 | #if GR_STATIC_RECT_VB |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1267 | GrVertexLayout layout = PaintStageVertexLayoutBits(paint, NULL); |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 1268 | const GrVertexBuffer* sqVB = fGpu->getUnitSquareVertexBuffer(); |
| 1269 | if (NULL == sqVB) { |
| 1270 | GrPrintf("Failed to create static rect vb.\n"); |
| 1271 | return; |
| 1272 | } |
| 1273 | target->setVertexSourceToBuffer(layout, sqVB); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1274 | GrDrawState* drawState = target->drawState(); |
| 1275 | GrDrawState::AutoViewMatrixRestore avmr(drawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1276 | GrMatrix m; |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1277 | m.setAll(rect.width(), 0, rect.fLeft, |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 1278 | 0, rect.height(), rect.fTop, |
| 1279 | 0, 0, GrMatrix::I()[8]); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1280 | |
| 1281 | if (NULL != matrix) { |
| 1282 | m.postConcat(*matrix); |
| 1283 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1284 | drawState->preConcatViewMatrix(m); |
| 1285 | drawState->preConcatSamplerMatrices(stageMask, m); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1286 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1287 | target->drawNonIndexed(kTriangleFan_PrimitiveType, 0, 4); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1288 | #else |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1289 | target->drawSimpleRect(rect, matrix, stageMask); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1290 | #endif |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1291 | } |
| 1292 | } |
| 1293 | |
| 1294 | void GrContext::drawRectToRect(const GrPaint& paint, |
| 1295 | const GrRect& dstRect, |
| 1296 | const GrRect& srcRect, |
| 1297 | const GrMatrix* dstMatrix, |
| 1298 | const GrMatrix* srcMatrix) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1299 | SK_TRACE_EVENT0("GrContext::drawRectToRect"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1300 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1301 | // srcRect refers to paint's first texture |
| 1302 | if (NULL == paint.getTexture(0)) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1303 | drawRect(paint, dstRect, -1, dstMatrix); |
| 1304 | return; |
| 1305 | } |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1306 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1307 | GR_STATIC_ASSERT(!BATCH_RECT_TO_RECT || !GR_STATIC_RECT_VB); |
| 1308 | |
| 1309 | #if GR_STATIC_RECT_VB |
| 1310 | GrDrawTarget* target = this->prepareToDraw(paint, kUnbuffered_DrawCategory); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1311 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1312 | GrVertexLayout layout = PaintStageVertexLayoutBits(paint, NULL); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1313 | GrDrawState::AutoViewMatrixRestore avmr(drawState); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1314 | |
| 1315 | GrMatrix m; |
| 1316 | |
| 1317 | m.setAll(dstRect.width(), 0, dstRect.fLeft, |
| 1318 | 0, dstRect.height(), dstRect.fTop, |
| 1319 | 0, 0, GrMatrix::I()[8]); |
| 1320 | if (NULL != dstMatrix) { |
| 1321 | m.postConcat(*dstMatrix); |
| 1322 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1323 | drawState->preConcatViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1324 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1325 | // srcRect refers to first stage |
| 1326 | int otherStageMask = paint.getActiveStageMask() & |
| 1327 | (~(1 << GrPaint::kFirstTextureStage)); |
| 1328 | if (otherStageMask) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1329 | drawState->preConcatSamplerMatrices(otherStageMask, m); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1330 | } |
| 1331 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1332 | m.setAll(srcRect.width(), 0, srcRect.fLeft, |
| 1333 | 0, srcRect.height(), srcRect.fTop, |
| 1334 | 0, 0, GrMatrix::I()[8]); |
| 1335 | if (NULL != srcMatrix) { |
| 1336 | m.postConcat(*srcMatrix); |
| 1337 | } |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1338 | drawState->sampler(GrPaint::kFirstTextureStage)->preConcatMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1339 | |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 1340 | const GrVertexBuffer* sqVB = fGpu->getUnitSquareVertexBuffer(); |
| 1341 | if (NULL == sqVB) { |
| 1342 | GrPrintf("Failed to create static rect vb.\n"); |
| 1343 | return; |
| 1344 | } |
| 1345 | target->setVertexSourceToBuffer(layout, sqVB); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1346 | target->drawNonIndexed(kTriangleFan_PrimitiveType, 0, 4); |
| 1347 | #else |
| 1348 | |
| 1349 | GrDrawTarget* target; |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1350 | #if BATCH_RECT_TO_RECT |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1351 | target = this->prepareToDraw(paint, kBuffered_DrawCategory); |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 1352 | #else |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1353 | target = this->prepareToDraw(paint, kUnbuffered_DrawCategory); |
| 1354 | #endif |
| 1355 | |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 1356 | const GrRect* srcRects[GrDrawState::kNumStages] = {NULL}; |
| 1357 | const GrMatrix* srcMatrices[GrDrawState::kNumStages] = {NULL}; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1358 | srcRects[0] = &srcRect; |
| 1359 | srcMatrices[0] = srcMatrix; |
| 1360 | |
| 1361 | target->drawRect(dstRect, dstMatrix, 1, srcRects, srcMatrices); |
| 1362 | #endif |
| 1363 | } |
| 1364 | |
| 1365 | void GrContext::drawVertices(const GrPaint& paint, |
| 1366 | GrPrimitiveType primitiveType, |
| 1367 | int vertexCount, |
| 1368 | const GrPoint positions[], |
| 1369 | const GrPoint texCoords[], |
| 1370 | const GrColor colors[], |
| 1371 | const uint16_t indices[], |
| 1372 | int indexCount) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1373 | SK_TRACE_EVENT0("GrContext::drawVertices"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1374 | |
| 1375 | GrDrawTarget::AutoReleaseGeometry geo; |
| 1376 | |
| 1377 | GrDrawTarget* target = this->prepareToDraw(paint, kUnbuffered_DrawCategory); |
| 1378 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1379 | bool hasTexCoords[GrPaint::kTotalStages] = { |
| 1380 | NULL != texCoords, // texCoordSrc provides explicit stage 0 coords |
| 1381 | 0 // remaining stages use positions |
| 1382 | }; |
| 1383 | |
| 1384 | GrVertexLayout layout = PaintStageVertexLayoutBits(paint, hasTexCoords); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1385 | |
| 1386 | if (NULL != colors) { |
| 1387 | layout |= GrDrawTarget::kColor_VertexLayoutBit; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1388 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1389 | int vertexSize = GrDrawTarget::VertexSize(layout); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1390 | |
| 1391 | if (sizeof(GrPoint) != vertexSize) { |
| 1392 | if (!geo.set(target, layout, vertexCount, 0)) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 1393 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1394 | return; |
| 1395 | } |
tomhudson@google.com | 9381363 | 2011-10-27 20:21:16 +0000 | [diff] [blame] | 1396 | int texOffsets[GrDrawState::kMaxTexCoords]; |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1397 | int colorOffset; |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1398 | GrDrawTarget::VertexSizeAndOffsetsByIdx(layout, |
| 1399 | texOffsets, |
bsalomon@google.com | aeb2160 | 2011-08-30 18:13:44 +0000 | [diff] [blame] | 1400 | &colorOffset, |
bsalomon@google.com | a310826 | 2011-10-10 14:08:47 +0000 | [diff] [blame] | 1401 | NULL, |
| 1402 | NULL); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1403 | void* curVertex = geo.vertices(); |
| 1404 | |
| 1405 | for (int i = 0; i < vertexCount; ++i) { |
| 1406 | *((GrPoint*)curVertex) = positions[i]; |
| 1407 | |
| 1408 | if (texOffsets[0] > 0) { |
| 1409 | *(GrPoint*)((intptr_t)curVertex + texOffsets[0]) = texCoords[i]; |
| 1410 | } |
| 1411 | if (colorOffset > 0) { |
| 1412 | *(GrColor*)((intptr_t)curVertex + colorOffset) = colors[i]; |
| 1413 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1414 | curVertex = (void*)((intptr_t)curVertex + vertexSize); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1415 | } |
| 1416 | } else { |
| 1417 | target->setVertexSourceToArray(layout, positions, vertexCount); |
| 1418 | } |
| 1419 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 1420 | // we don't currently apply offscreen AA to this path. Need improved |
| 1421 | // management of GrDrawTarget's geometry to avoid copying points per-tile. |
bsalomon@google.com | a47a48d | 2011-04-26 20:22:11 +0000 | [diff] [blame] | 1422 | |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1423 | if (NULL != indices) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 1424 | target->setIndexSourceToArray(indices, indexCount); |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1425 | target->drawIndexed(primitiveType, 0, 0, vertexCount, indexCount); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1426 | } else { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1427 | target->drawNonIndexed(primitiveType, 0, vertexCount); |
| 1428 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1429 | } |
| 1430 | |
bsalomon@google.com | 06afe7b | 2011-04-26 15:31:40 +0000 | [diff] [blame] | 1431 | /////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1432 | #include "SkDraw.h" |
| 1433 | #include "SkRasterClip.h" |
| 1434 | |
| 1435 | namespace { |
| 1436 | |
| 1437 | SkPath::FillType gr_fill_to_sk_fill(GrPathFill fill) { |
| 1438 | switch (fill) { |
| 1439 | case kWinding_PathFill: |
| 1440 | return SkPath::kWinding_FillType; |
| 1441 | case kEvenOdd_PathFill: |
| 1442 | return SkPath::kEvenOdd_FillType; |
| 1443 | case kInverseWinding_PathFill: |
| 1444 | return SkPath::kInverseWinding_FillType; |
| 1445 | case kInverseEvenOdd_PathFill: |
| 1446 | return SkPath::kInverseEvenOdd_FillType; |
| 1447 | default: |
| 1448 | GrCrash("Unexpected fill."); |
| 1449 | return SkPath::kWinding_FillType; |
| 1450 | } |
| 1451 | } |
| 1452 | |
| 1453 | // gets device coord bounds of path (not considering the fill) and clip. The |
| 1454 | // path bounds will be a subset of the clip bounds. returns false if path bounds |
| 1455 | // would be empty. |
| 1456 | bool get_path_and_clip_bounds(const GrDrawTarget* target, |
| 1457 | const GrPath& path, |
| 1458 | const GrVec* translate, |
| 1459 | GrIRect* pathBounds, |
| 1460 | GrIRect* clipBounds) { |
| 1461 | // compute bounds as intersection of rt size, clip, and path |
| 1462 | const GrRenderTarget* rt = target->getDrawState().getRenderTarget(); |
| 1463 | if (NULL == rt) { |
| 1464 | return false; |
| 1465 | } |
| 1466 | *pathBounds = GrIRect::MakeWH(rt->width(), rt->height()); |
| 1467 | const GrClip& clip = target->getClip(); |
| 1468 | if (clip.hasConservativeBounds()) { |
| 1469 | clip.getConservativeBounds().roundOut(clipBounds); |
| 1470 | if (!pathBounds->intersect(*clipBounds)) { |
| 1471 | return false; |
| 1472 | } |
| 1473 | } else { |
| 1474 | // pathBounds is currently the rt extent, set clip bounds to that rect. |
| 1475 | *clipBounds = *pathBounds; |
| 1476 | } |
| 1477 | GrRect pathSBounds = path.getBounds(); |
| 1478 | if (!pathSBounds.isEmpty()) { |
| 1479 | if (NULL != translate) { |
| 1480 | pathSBounds.offset(*translate); |
| 1481 | } |
| 1482 | target->getDrawState().getViewMatrix().mapRect(&pathSBounds, |
| 1483 | pathSBounds); |
| 1484 | GrIRect pathIBounds; |
| 1485 | pathSBounds.roundOut(&pathIBounds); |
| 1486 | if (!pathBounds->intersect(pathIBounds)) { |
| 1487 | return false; |
| 1488 | } |
| 1489 | } else { |
| 1490 | return false; |
| 1491 | } |
| 1492 | return true; |
| 1493 | } |
| 1494 | |
| 1495 | /** |
| 1496 | * sw rasterizes path to A8 mask using the context's matrix and uploads to a |
| 1497 | * scratch texture. |
| 1498 | */ |
| 1499 | |
| 1500 | bool sw_draw_path_to_mask_texture(const GrPath& clientPath, |
| 1501 | const GrIRect& pathDevBounds, |
| 1502 | GrPathFill fill, |
| 1503 | GrContext* context, |
| 1504 | const GrPoint* translate, |
| 1505 | GrAutoScratchTexture* tex) { |
| 1506 | SkPaint paint; |
| 1507 | SkPath tmpPath; |
| 1508 | const SkPath* pathToDraw = &clientPath; |
| 1509 | if (kHairLine_PathFill == fill) { |
| 1510 | paint.setStyle(SkPaint::kStroke_Style); |
| 1511 | paint.setStrokeWidth(SK_Scalar1); |
| 1512 | } else { |
| 1513 | paint.setStyle(SkPaint::kFill_Style); |
| 1514 | SkPath::FillType skfill = gr_fill_to_sk_fill(fill); |
| 1515 | if (skfill != pathToDraw->getFillType()) { |
| 1516 | tmpPath = *pathToDraw; |
| 1517 | tmpPath.setFillType(skfill); |
| 1518 | pathToDraw = &tmpPath; |
| 1519 | } |
| 1520 | } |
| 1521 | paint.setAntiAlias(true); |
| 1522 | paint.setColor(SK_ColorWHITE); |
| 1523 | |
| 1524 | GrMatrix matrix = context->getMatrix(); |
| 1525 | if (NULL != translate) { |
| 1526 | matrix.postTranslate(translate->fX, translate->fY); |
| 1527 | } |
| 1528 | |
| 1529 | matrix.postTranslate(-pathDevBounds.fLeft * SK_Scalar1, |
| 1530 | -pathDevBounds.fTop * SK_Scalar1); |
| 1531 | GrIRect bounds = GrIRect::MakeWH(pathDevBounds.width(), |
| 1532 | pathDevBounds.height()); |
| 1533 | |
| 1534 | SkBitmap bm; |
| 1535 | bm.setConfig(SkBitmap::kA8_Config, bounds.fRight, bounds.fBottom); |
| 1536 | if (!bm.allocPixels()) { |
| 1537 | return false; |
| 1538 | } |
| 1539 | sk_bzero(bm.getPixels(), bm.getSafeSize()); |
| 1540 | |
| 1541 | SkDraw draw; |
| 1542 | sk_bzero(&draw, sizeof(draw)); |
| 1543 | SkRasterClip rc(bounds); |
| 1544 | draw.fRC = &rc; |
| 1545 | draw.fClip = &rc.bwRgn(); |
| 1546 | draw.fMatrix = &matrix; |
| 1547 | draw.fBitmap = &bm; |
| 1548 | draw.drawPath(*pathToDraw, paint); |
| 1549 | |
| 1550 | const GrTextureDesc desc = { |
| 1551 | kNone_GrTextureFlags, |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1552 | bounds.fRight, |
| 1553 | bounds.fBottom, |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 1554 | kAlpha_8_GrPixelConfig, |
| 1555 | {0} // samples |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1556 | }; |
| 1557 | |
| 1558 | tex->set(context, desc); |
| 1559 | GrTexture* texture = tex->texture(); |
| 1560 | |
| 1561 | if (NULL == texture) { |
| 1562 | return false; |
| 1563 | } |
| 1564 | SkAutoLockPixels alp(bm); |
| 1565 | texture->writePixels(0, 0, desc.fWidth, desc.fHeight, desc.fConfig, |
| 1566 | bm.getPixels(), bm.rowBytes()); |
| 1567 | return true; |
| 1568 | } |
| 1569 | |
| 1570 | void draw_around_inv_path(GrDrawTarget* target, |
| 1571 | GrDrawState::StageMask stageMask, |
| 1572 | const GrIRect& clipBounds, |
| 1573 | const GrIRect& pathBounds) { |
| 1574 | GrDrawTarget::AutoDeviceCoordDraw adcd(target, stageMask); |
| 1575 | GrRect rect; |
| 1576 | if (clipBounds.fTop < pathBounds.fTop) { |
| 1577 | rect.iset(clipBounds.fLeft, clipBounds.fTop, |
| 1578 | clipBounds.fRight, pathBounds.fTop); |
| 1579 | target->drawSimpleRect(rect, NULL, stageMask); |
| 1580 | } |
| 1581 | if (clipBounds.fLeft < pathBounds.fLeft) { |
| 1582 | rect.iset(clipBounds.fLeft, pathBounds.fTop, |
| 1583 | pathBounds.fLeft, pathBounds.fBottom); |
| 1584 | target->drawSimpleRect(rect, NULL, stageMask); |
| 1585 | } |
| 1586 | if (clipBounds.fRight > pathBounds.fRight) { |
| 1587 | rect.iset(pathBounds.fRight, pathBounds.fTop, |
| 1588 | clipBounds.fRight, pathBounds.fBottom); |
| 1589 | target->drawSimpleRect(rect, NULL, stageMask); |
| 1590 | } |
| 1591 | if (clipBounds.fBottom > pathBounds.fBottom) { |
| 1592 | rect.iset(clipBounds.fLeft, pathBounds.fBottom, |
| 1593 | clipBounds.fRight, clipBounds.fBottom); |
| 1594 | target->drawSimpleRect(rect, NULL, stageMask); |
| 1595 | } |
| 1596 | } |
| 1597 | |
| 1598 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1599 | |
reed@google.com | 07f3ee1 | 2011-05-16 17:21:57 +0000 | [diff] [blame] | 1600 | void GrContext::drawPath(const GrPaint& paint, const GrPath& path, |
| 1601 | GrPathFill fill, const GrPoint* translate) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1602 | |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1603 | if (path.isEmpty()) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1604 | if (GrIsFillInverted(fill)) { |
| 1605 | this->drawPaint(paint); |
| 1606 | } |
| 1607 | return; |
| 1608 | } |
| 1609 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1610 | GrDrawTarget* target = this->prepareToDraw(paint, kUnbuffered_DrawCategory); |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1611 | GrDrawState::StageMask stageMask = paint.getActiveStageMask(); |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1612 | |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1613 | bool prAA = paint.fAntiAlias && !this->getRenderTarget()->isMultisampled(); |
| 1614 | |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1615 | // An Assumption here is that path renderer would use some form of tweaking |
| 1616 | // the src color (either the input alpha or in the frag shader) to implement |
| 1617 | // aa. If we have some future driver-mojo path AA that can do the right |
| 1618 | // thing WRT to the blend then we'll need some query on the PR. |
| 1619 | if (disable_coverage_aa_for_blend(target)) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1620 | #if GR_DEBUG |
bsalomon@google.com | 979432b | 2011-11-05 21:38:22 +0000 | [diff] [blame] | 1621 | //GrPrintf("Turning off AA to correctly apply blend.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1622 | #endif |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1623 | prAA = false; |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 1624 | } |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1625 | |
| 1626 | bool doOSAA = false; |
| 1627 | GrPathRenderer* pr = NULL; |
| 1628 | if (prAA) { |
| 1629 | pr = this->getPathRenderer(path, fill, true); |
| 1630 | if (NULL == pr) { |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1631 | GrAutoScratchTexture ast; |
| 1632 | GrIRect pathBounds, clipBounds; |
| 1633 | if (!get_path_and_clip_bounds(target, path, translate, |
| 1634 | &pathBounds, &clipBounds)) { |
| 1635 | return; |
| 1636 | } |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1637 | prAA = false; |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1638 | if (this->doOffscreenAA(target, kHairLine_PathFill == fill)) { |
| 1639 | pr = this->getPathRenderer(path, fill, false); |
| 1640 | doOSAA = true; |
| 1641 | } |
| 1642 | if (NULL == pr && sw_draw_path_to_mask_texture(path, pathBounds, |
| 1643 | fill, this, |
| 1644 | translate, &ast)) { |
| 1645 | GrTexture* texture = ast.texture(); |
| 1646 | GrAssert(NULL != texture); |
| 1647 | GrDrawTarget::AutoDeviceCoordDraw adcd(target, stageMask); |
| 1648 | enum { |
| 1649 | kPathMaskStage = GrPaint::kTotalStages, |
| 1650 | }; |
| 1651 | target->drawState()->setTexture(kPathMaskStage, texture); |
| 1652 | target->drawState()->sampler(kPathMaskStage)->reset(); |
| 1653 | GrScalar w = GrIntToScalar(pathBounds.width()); |
| 1654 | GrScalar h = GrIntToScalar(pathBounds.height()); |
| 1655 | GrRect maskRect = GrRect::MakeWH(w / texture->width(), |
| 1656 | h / texture->height()); |
| 1657 | const GrRect* srcRects[GrDrawState::kNumStages] = {NULL}; |
| 1658 | srcRects[kPathMaskStage] = &maskRect; |
| 1659 | stageMask |= 1 << kPathMaskStage; |
bsalomon@google.com | 5db3b6c | 2012-01-12 20:38:57 +0000 | [diff] [blame] | 1660 | GrRect dstRect = GrRect::MakeLTRB( |
| 1661 | SK_Scalar1* pathBounds.fLeft, |
| 1662 | SK_Scalar1* pathBounds.fTop, |
| 1663 | SK_Scalar1* pathBounds.fRight, |
| 1664 | SK_Scalar1* pathBounds.fBottom); |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1665 | target->drawRect(dstRect, NULL, stageMask, srcRects, NULL); |
| 1666 | target->drawState()->setTexture(kPathMaskStage, NULL); |
| 1667 | if (GrIsFillInverted(fill)) { |
| 1668 | draw_around_inv_path(target, stageMask, |
| 1669 | clipBounds, pathBounds); |
| 1670 | } |
| 1671 | return; |
| 1672 | } |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1673 | } |
| 1674 | } else { |
| 1675 | pr = this->getPathRenderer(path, fill, false); |
| 1676 | } |
| 1677 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1678 | if (NULL == pr) { |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1679 | #if GR_DEBUG |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1680 | GrPrintf("Unable to find path renderer compatible with path.\n"); |
bsalomon@google.com | 1983f39 | 2011-10-10 15:17:58 +0000 | [diff] [blame] | 1681 | #endif |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 1682 | return; |
| 1683 | } |
| 1684 | |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1685 | GrPathRenderer::AutoClearPath arp(pr, target, &path, fill, prAA, translate); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1686 | |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 1687 | if (doOSAA) { |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1688 | bool needsStencil = pr->requiresStencilPass(target, path, fill); |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1689 | GrIRect pathBounds; |
| 1690 | GrIRect clipBounds; |
| 1691 | if (!get_path_and_clip_bounds(target, path, translate, |
| 1692 | &pathBounds, &clipBounds)) { |
| 1693 | return; |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1694 | } |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 1695 | OffscreenRecord record; |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1696 | if (this->prepareForOffscreenAA(target, needsStencil, pathBounds, |
tomhudson@google.com | d22b6e4 | 2011-06-24 15:53:40 +0000 | [diff] [blame] | 1697 | pr, &record)) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 1698 | for (int tx = 0; tx < record.fTileCountX; ++tx) { |
| 1699 | for (int ty = 0; ty < record.fTileCountY; ++ty) { |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1700 | this->setupOffscreenAAPass1(target, pathBounds, |
| 1701 | tx, ty, &record); |
bsalomon@google.com | ee43512 | 2011-07-01 14:57:55 +0000 | [diff] [blame] | 1702 | pr->drawPath(0); |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1703 | this->doOffscreenAAPass2(target, paint, pathBounds, |
| 1704 | tx, ty, &record); |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 1705 | } |
| 1706 | } |
tomhudson@google.com | d22b6e4 | 2011-06-24 15:53:40 +0000 | [diff] [blame] | 1707 | this->cleanupOffscreenAA(target, pr, &record); |
bsalomon@google.com | 150d284 | 2012-01-12 20:19:56 +0000 | [diff] [blame] | 1708 | if (GrIsFillInverted(fill)) { |
| 1709 | draw_around_inv_path(target, stageMask, clipBounds, pathBounds); |
bsalomon@google.com | 7ac249b | 2011-06-14 18:46:24 +0000 | [diff] [blame] | 1710 | } |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1711 | return; |
| 1712 | } |
bsalomon@google.com | ee43512 | 2011-07-01 14:57:55 +0000 | [diff] [blame] | 1713 | } |
| 1714 | pr->drawPath(stageMask); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1715 | } |
bsalomon@google.com | 8295dc1 | 2011-05-02 12:53:34 +0000 | [diff] [blame] | 1716 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1717 | //////////////////////////////////////////////////////////////////////////////// |
| 1718 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1719 | void GrContext::flush(int flagsBitfield) { |
| 1720 | if (kDiscard_FlushBit & flagsBitfield) { |
| 1721 | fDrawBuffer->reset(); |
| 1722 | } else { |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1723 | this->flushDrawBuffer(); |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1724 | } |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame] | 1725 | if (kForceCurrentRenderTarget_FlushBit & flagsBitfield) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1726 | fGpu->forceRenderTargetFlush(); |
| 1727 | } |
| 1728 | } |
| 1729 | |
| 1730 | void GrContext::flushText() { |
| 1731 | if (kText_DrawCategory == fLastDrawCategory) { |
| 1732 | flushDrawBuffer(); |
| 1733 | } |
| 1734 | } |
| 1735 | |
| 1736 | void GrContext::flushDrawBuffer() { |
| 1737 | #if BATCH_RECT_TO_RECT || DEFER_TEXT_RENDERING |
junov@google.com | 53a5584 | 2011-06-08 22:55:10 +0000 | [diff] [blame] | 1738 | if (fDrawBuffer) { |
| 1739 | fDrawBuffer->playback(fGpu); |
| 1740 | fDrawBuffer->reset(); |
| 1741 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1742 | #endif |
| 1743 | } |
| 1744 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1745 | void GrContext::internalWriteTexturePixels(GrTexture* texture, |
| 1746 | int left, int top, |
| 1747 | int width, int height, |
| 1748 | GrPixelConfig config, |
| 1749 | const void* buffer, |
| 1750 | size_t rowBytes, |
| 1751 | uint32_t flags) { |
| 1752 | SK_TRACE_EVENT0("GrContext::writeTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1753 | ASSERT_OWNED_RESOURCE(texture); |
| 1754 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1755 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1756 | this->flush(); |
| 1757 | } |
| 1758 | // TODO: use scratch texture to perform conversion |
| 1759 | if (GrPixelConfigIsUnpremultiplied(texture->config()) != |
| 1760 | GrPixelConfigIsUnpremultiplied(config)) { |
| 1761 | return; |
| 1762 | } |
| 1763 | |
| 1764 | fGpu->writeTexturePixels(texture, left, top, width, height, |
| 1765 | config, buffer, rowBytes); |
| 1766 | } |
| 1767 | |
| 1768 | bool GrContext::internalReadTexturePixels(GrTexture* texture, |
| 1769 | int left, int top, |
| 1770 | int width, int height, |
| 1771 | GrPixelConfig config, |
| 1772 | void* buffer, |
| 1773 | size_t rowBytes, |
| 1774 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1775 | SK_TRACE_EVENT0("GrContext::readTexturePixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1776 | ASSERT_OWNED_RESOURCE(texture); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1777 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1778 | // TODO: code read pixels for textures that aren't also rendertargets |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1779 | GrRenderTarget* target = texture->asRenderTarget(); |
| 1780 | if (NULL != target) { |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1781 | return this->internalReadRenderTargetPixels(target, |
| 1782 | left, top, width, height, |
| 1783 | config, buffer, rowBytes, |
| 1784 | flags); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1785 | } else { |
| 1786 | return false; |
| 1787 | } |
| 1788 | } |
| 1789 | |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame^] | 1790 | #include "SkConfig8888.h" |
| 1791 | |
| 1792 | namespace { |
| 1793 | /** |
| 1794 | * Converts a GrPixelConfig to a SkCanvas::Config8888. Only byte-per-channel |
| 1795 | * formats are representable as Config8888 and so the function returns false |
| 1796 | * if the GrPixelConfig has no equivalent Config8888. |
| 1797 | */ |
| 1798 | bool grconfig_to_config8888(GrPixelConfig config, |
| 1799 | SkCanvas::Config8888* config8888) { |
| 1800 | switch (config) { |
| 1801 | case kRGBA_8888_PM_GrPixelConfig: |
| 1802 | *config8888 = SkCanvas::kRGBA_Premul_Config8888; |
| 1803 | return true; |
| 1804 | case kRGBA_8888_UPM_GrPixelConfig: |
| 1805 | *config8888 = SkCanvas::kRGBA_Unpremul_Config8888; |
| 1806 | return true; |
| 1807 | case kBGRA_8888_PM_GrPixelConfig: |
| 1808 | *config8888 = SkCanvas::kBGRA_Premul_Config8888; |
| 1809 | return true; |
| 1810 | case kBGRA_8888_UPM_GrPixelConfig: |
| 1811 | *config8888 = SkCanvas::kBGRA_Unpremul_Config8888; |
| 1812 | return true; |
| 1813 | default: |
| 1814 | return false; |
| 1815 | } |
| 1816 | } |
| 1817 | } |
| 1818 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1819 | bool GrContext::internalReadRenderTargetPixels(GrRenderTarget* target, |
| 1820 | int left, int top, |
| 1821 | int width, int height, |
| 1822 | GrPixelConfig config, |
| 1823 | void* buffer, |
| 1824 | size_t rowBytes, |
| 1825 | uint32_t flags) { |
tomhudson@google.com | 278cbb4 | 2011-06-30 19:37:01 +0000 | [diff] [blame] | 1826 | SK_TRACE_EVENT0("GrContext::readRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1827 | ASSERT_OWNED_RESOURCE(target); |
| 1828 | |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1829 | if (NULL == target) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1830 | target = fGpu->drawState()->getRenderTarget(); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1831 | if (NULL == target) { |
| 1832 | return false; |
| 1833 | } |
| 1834 | } |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1835 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1836 | if (!(kDontFlush_PixelOpsFlag & flags)) { |
| 1837 | this->flush(); |
| 1838 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1839 | |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame^] | 1840 | if (!GrPixelConfigIsUnpremultiplied(target->config()) && |
| 1841 | GrPixelConfigIsUnpremultiplied(config) && |
| 1842 | !fGpu->canPreserveReadWriteUnpremulPixels()) { |
| 1843 | SkCanvas::Config8888 srcConfig8888, dstConfig8888; |
| 1844 | if (!grconfig_to_config8888(target->config(), &srcConfig8888) || |
| 1845 | !grconfig_to_config8888(config, &dstConfig8888)) { |
| 1846 | return false; |
| 1847 | } |
| 1848 | // do read back using target's own config |
| 1849 | this->internalReadRenderTargetPixels(target, |
| 1850 | left, top, |
| 1851 | width, height, |
| 1852 | target->config(), |
| 1853 | buffer, rowBytes, |
| 1854 | kDontFlush_PixelOpsFlag); |
| 1855 | // sw convert the pixels to unpremul config |
| 1856 | uint32_t* pixels = reinterpret_cast<uint32_t*>(buffer); |
| 1857 | SkConvertConfig8888Pixels(pixels, rowBytes, dstConfig8888, |
| 1858 | pixels, rowBytes, srcConfig8888, |
| 1859 | width, height); |
| 1860 | return true; |
| 1861 | } |
| 1862 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1863 | GrTexture* src = target->asTexture(); |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1864 | bool swapRAndB = NULL != src && |
| 1865 | fGpu->preferredReadPixelsConfig(config) == |
| 1866 | GrPixelConfigSwapRAndB(config); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1867 | |
| 1868 | bool flipY = NULL != src && |
| 1869 | fGpu->readPixelsWillPayForYFlip(target, left, top, |
| 1870 | width, height, config, |
| 1871 | rowBytes); |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1872 | bool alphaConversion = (!GrPixelConfigIsUnpremultiplied(target->config()) && |
| 1873 | GrPixelConfigIsUnpremultiplied(config)); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1874 | |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1875 | if (NULL == src && alphaConversion) { |
| 1876 | // we should fallback to cpu conversion here. This could happen when |
| 1877 | // we were given an external render target by the client that is not |
| 1878 | // also a texture (e.g. FBO 0 in GL) |
| 1879 | return false; |
| 1880 | } |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1881 | // we draw to a scratch texture if any of these conversion are applied |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1882 | GrAutoScratchTexture ast; |
bsalomon@google.com | 0a97be2 | 2011-11-08 19:20:57 +0000 | [diff] [blame] | 1883 | if (flipY || swapRAndB || alphaConversion) { |
| 1884 | GrAssert(NULL != src); |
| 1885 | if (swapRAndB) { |
| 1886 | config = GrPixelConfigSwapRAndB(config); |
| 1887 | GrAssert(kUnknown_GrPixelConfig != config); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1888 | } |
| 1889 | // Make the scratch a render target because we don't have a robust |
| 1890 | // readTexturePixels as of yet (it calls this function). |
| 1891 | const GrTextureDesc desc = { |
| 1892 | kRenderTarget_GrTextureFlagBit, |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1893 | width, height, |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 1894 | config, |
| 1895 | {0}, // samples |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1896 | }; |
bsalomon@google.com | c4ff22a | 2011-11-10 21:56:21 +0000 | [diff] [blame] | 1897 | |
bsalomon@google.com | 56d11e0 | 2011-11-30 19:59:08 +0000 | [diff] [blame] | 1898 | // When a full readback is faster than a partial we could always make |
| 1899 | // the scratch exactly match the passed rect. However, if we see many |
| 1900 | // different size rectangles we will trash our texture cache and pay the |
| 1901 | // cost of creating and destroying many textures. So, we only request |
| 1902 | // an exact match when the caller is reading an entire RT. |
| 1903 | ScratchTexMatch match = kApprox_ScratchTexMatch; |
| 1904 | if (0 == left && |
| 1905 | 0 == top && |
| 1906 | target->width() == width && |
| 1907 | target->height() == height && |
| 1908 | fGpu->fullReadPixelsIsFasterThanPartial()) { |
| 1909 | match = kExact_ScratchTexMatch; |
| 1910 | } |
| 1911 | ast.set(this, desc, match); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1912 | GrTexture* texture = ast.texture(); |
| 1913 | if (!texture) { |
| 1914 | return false; |
| 1915 | } |
| 1916 | target = texture->asRenderTarget(); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1917 | GrAssert(NULL != target); |
| 1918 | |
| 1919 | GrDrawTarget::AutoStateRestore asr(fGpu); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1920 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | 52a5dcb | 2012-01-17 16:01:37 +0000 | [diff] [blame] | 1921 | drawState->reset(); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1922 | drawState->setRenderTarget(target); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1923 | |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1924 | GrMatrix matrix; |
| 1925 | if (flipY) { |
| 1926 | matrix.setTranslate(SK_Scalar1 * left, |
| 1927 | SK_Scalar1 * (top + height)); |
| 1928 | matrix.set(GrMatrix::kMScaleY, -GR_Scalar1); |
| 1929 | } else { |
| 1930 | matrix.setTranslate(SK_Scalar1 *left, SK_Scalar1 *top); |
| 1931 | } |
| 1932 | matrix.postIDiv(src->width(), src->height()); |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 1933 | drawState->sampler(0)->reset(matrix); |
| 1934 | drawState->sampler(0)->setRAndBSwap(swapRAndB); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1935 | drawState->setTexture(0, src); |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1936 | GrRect rect; |
| 1937 | rect.setXYWH(0, 0, SK_Scalar1 * width, SK_Scalar1 * height); |
| 1938 | fGpu->drawSimpleRect(rect, NULL, 0x1); |
| 1939 | left = 0; |
| 1940 | top = 0; |
| 1941 | } |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 1942 | return fGpu->readPixels(target, |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 1943 | left, top, width, height, |
| 1944 | config, buffer, rowBytes, flipY); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1945 | } |
| 1946 | |
bsalomon@google.com | 75f9f25 | 2012-01-31 13:35:56 +0000 | [diff] [blame] | 1947 | void GrContext::resolveRenderTarget(GrRenderTarget* target) { |
| 1948 | GrAssert(target); |
| 1949 | ASSERT_OWNED_RESOURCE(target); |
| 1950 | // In the future we may track whether there are any pending draws to this |
| 1951 | // target. We don't today so we always perform a flush. We don't promise |
| 1952 | // this to our clients, though. |
| 1953 | this->flush(); |
| 1954 | fGpu->resolveRenderTarget(target); |
| 1955 | } |
| 1956 | |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1957 | void GrContext::copyTexture(GrTexture* src, GrRenderTarget* dst) { |
| 1958 | if (NULL == src || NULL == dst) { |
| 1959 | return; |
| 1960 | } |
| 1961 | ASSERT_OWNED_RESOURCE(src); |
| 1962 | |
| 1963 | GrDrawTarget::AutoStateRestore asr(fGpu); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1964 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | 52a5dcb | 2012-01-17 16:01:37 +0000 | [diff] [blame] | 1965 | drawState->reset(); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1966 | drawState->setRenderTarget(dst); |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1967 | GrMatrix sampleM; |
| 1968 | sampleM.setIDiv(src->width(), src->height()); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1969 | drawState->setTexture(0, src); |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 1970 | drawState->sampler(0)->reset(sampleM); |
bsalomon@google.com | 5db3b6c | 2012-01-12 20:38:57 +0000 | [diff] [blame] | 1971 | SkRect rect = SkRect::MakeXYWH(0, 0, |
| 1972 | SK_Scalar1 * src->width(), |
| 1973 | SK_Scalar1 * src->height()); |
senorblanco@chromium.org | ef843cd | 2011-12-02 19:11:17 +0000 | [diff] [blame] | 1974 | fGpu->drawSimpleRect(rect, NULL, 1 << 0); |
| 1975 | } |
| 1976 | |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1977 | void GrContext::internalWriteRenderTargetPixels(GrRenderTarget* target, |
| 1978 | int left, int top, |
| 1979 | int width, int height, |
| 1980 | GrPixelConfig config, |
| 1981 | const void* buffer, |
| 1982 | size_t rowBytes, |
| 1983 | uint32_t flags) { |
| 1984 | SK_TRACE_EVENT0("GrContext::writeRenderTargetPixels"); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 1985 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1986 | |
| 1987 | if (NULL == target) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 1988 | target = fGpu->drawState()->getRenderTarget(); |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 1989 | if (NULL == target) { |
| 1990 | return; |
| 1991 | } |
| 1992 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 1993 | |
| 1994 | // TODO: when underlying api has a direct way to do this we should use it |
| 1995 | // (e.g. glDrawPixels on desktop GL). |
| 1996 | |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 1997 | // If the RT is also a texture and we don't have to do PM/UPM conversion |
| 1998 | // then take the texture path, which we expect to be at least as fast or |
| 1999 | // faster since it doesn't use an intermediate texture as we do below. |
| 2000 | |
| 2001 | #if !GR_MAC_BUILD |
| 2002 | // At least some drivers on the Mac get confused when glTexImage2D is called |
| 2003 | // on a texture attached to an FBO. The FBO still sees the old image. TODO: |
| 2004 | // determine what OS versions and/or HW is affected. |
| 2005 | if (NULL != target->asTexture() && |
| 2006 | GrPixelConfigIsUnpremultiplied(target->config()) == |
| 2007 | GrPixelConfigIsUnpremultiplied(config)) { |
| 2008 | |
| 2009 | this->internalWriteTexturePixels(target->asTexture(), |
| 2010 | left, top, width, height, |
| 2011 | config, buffer, rowBytes, flags); |
| 2012 | return; |
| 2013 | } |
| 2014 | #endif |
bsalomon@google.com | a91e923 | 2012-02-23 15:39:54 +0000 | [diff] [blame^] | 2015 | if (!GrPixelConfigIsUnpremultiplied(target->config()) && |
| 2016 | GrPixelConfigIsUnpremultiplied(config) && |
| 2017 | !fGpu->canPreserveReadWriteUnpremulPixels()) { |
| 2018 | SkCanvas::Config8888 srcConfig8888, dstConfig8888; |
| 2019 | if (!grconfig_to_config8888(config, &srcConfig8888) || |
| 2020 | !grconfig_to_config8888(target->config(), &dstConfig8888)) { |
| 2021 | return; |
| 2022 | } |
| 2023 | // allocate a tmp buffer and sw convert the pixels to premul |
| 2024 | SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(width * height); |
| 2025 | const uint32_t* src = reinterpret_cast<const uint32_t*>(buffer); |
| 2026 | SkConvertConfig8888Pixels(tmpPixels.get(), 4 * width, dstConfig8888, |
| 2027 | src, rowBytes, srcConfig8888, |
| 2028 | width, height); |
| 2029 | // upload the already premul pixels |
| 2030 | this->internalWriteRenderTargetPixels(target, |
| 2031 | left, top, |
| 2032 | width, height, |
| 2033 | target->config(), |
| 2034 | tmpPixels, 4 * width, flags); |
| 2035 | return; |
| 2036 | } |
bsalomon@google.com | a85449d | 2011-11-19 02:36:05 +0000 | [diff] [blame] | 2037 | |
| 2038 | bool swapRAndB = fGpu->preferredReadPixelsConfig(config) == |
| 2039 | GrPixelConfigSwapRAndB(config); |
| 2040 | if (swapRAndB) { |
| 2041 | config = GrPixelConfigSwapRAndB(config); |
| 2042 | } |
| 2043 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 2044 | const GrTextureDesc desc = { |
bsalomon@google.com | 78d6cf9 | 2012-01-30 18:09:31 +0000 | [diff] [blame] | 2045 | kNone_GrTextureFlags, width, height, config, {0} |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2046 | }; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 2047 | GrAutoScratchTexture ast(this, desc); |
| 2048 | GrTexture* texture = ast.texture(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2049 | if (NULL == texture) { |
| 2050 | return; |
| 2051 | } |
bsalomon@google.com | 6f37951 | 2011-11-16 20:36:03 +0000 | [diff] [blame] | 2052 | this->internalWriteTexturePixels(texture, 0, 0, width, height, |
| 2053 | config, buffer, rowBytes, flags); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2054 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2055 | GrDrawTarget::AutoStateRestore asr(fGpu); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2056 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | 52a5dcb | 2012-01-17 16:01:37 +0000 | [diff] [blame] | 2057 | drawState->reset(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2058 | |
| 2059 | GrMatrix matrix; |
| 2060 | matrix.setTranslate(GrIntToScalar(left), GrIntToScalar(top)); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2061 | drawState->setViewMatrix(matrix); |
| 2062 | drawState->setRenderTarget(target); |
| 2063 | drawState->setTexture(0, texture); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2064 | |
bsalomon@google.com | 5c63865 | 2011-07-18 19:31:59 +0000 | [diff] [blame] | 2065 | matrix.setIDiv(texture->width(), texture->height()); |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 2066 | drawState->sampler(0)->reset(GrSamplerState::kClamp_WrapMode, |
| 2067 | GrSamplerState::kNearest_Filter, |
| 2068 | matrix); |
| 2069 | drawState->sampler(0)->setRAndBSwap(swapRAndB); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2070 | |
| 2071 | GrVertexLayout layout = GrDrawTarget::StagePosAsTexCoordVertexLayoutBit(0); |
| 2072 | static const int VCOUNT = 4; |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 2073 | // TODO: Use GrGpu::drawRect here |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2074 | GrDrawTarget::AutoReleaseGeometry geo(fGpu, layout, VCOUNT, 0); |
| 2075 | if (!geo.succeeded()) { |
bsalomon@google.com | 6513cd0 | 2011-08-05 20:12:30 +0000 | [diff] [blame] | 2076 | GrPrintf("Failed to get space for vertices!\n"); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2077 | return; |
| 2078 | } |
| 2079 | ((GrPoint*)geo.vertices())->setIRectFan(0, 0, width, height); |
| 2080 | fGpu->drawNonIndexed(kTriangleFan_PrimitiveType, 0, VCOUNT); |
| 2081 | } |
| 2082 | //////////////////////////////////////////////////////////////////////////////// |
| 2083 | |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 2084 | void GrContext::setPaint(const GrPaint& paint, GrDrawTarget* target) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2085 | GrDrawState* drawState = target->drawState(); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 2086 | |
| 2087 | for (int i = 0; i < GrPaint::kMaxTextures; ++i) { |
| 2088 | int s = i + GrPaint::kFirstTextureStage; |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2089 | drawState->setTexture(s, paint.getTexture(i)); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 2090 | ASSERT_OWNED_RESOURCE(paint.getTexture(i)); |
bsalomon@google.com | f864ec4 | 2011-12-12 21:57:03 +0000 | [diff] [blame] | 2091 | if (paint.getTexture(i)) { |
| 2092 | *drawState->sampler(s) = paint.getTextureSampler(i); |
| 2093 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 2094 | } |
| 2095 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2096 | drawState->setFirstCoverageStage(GrPaint::kFirstMaskStage); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 2097 | |
| 2098 | for (int i = 0; i < GrPaint::kMaxMasks; ++i) { |
| 2099 | int s = i + GrPaint::kFirstMaskStage; |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2100 | drawState->setTexture(s, paint.getMask(i)); |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 2101 | ASSERT_OWNED_RESOURCE(paint.getMask(i)); |
bsalomon@google.com | f864ec4 | 2011-12-12 21:57:03 +0000 | [diff] [blame] | 2102 | if (paint.getMask(i)) { |
| 2103 | *drawState->sampler(s) = paint.getMaskSampler(i); |
| 2104 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 2105 | } |
| 2106 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2107 | drawState->setColor(paint.fColor); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2108 | |
| 2109 | if (paint.fDither) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2110 | drawState->enableState(GrDrawState::kDither_StateBit); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2111 | } else { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2112 | drawState->disableState(GrDrawState::kDither_StateBit); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2113 | } |
| 2114 | if (paint.fAntiAlias) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2115 | drawState->enableState(GrDrawState::kHWAntialias_StateBit); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2116 | } else { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2117 | drawState->disableState(GrDrawState::kHWAntialias_StateBit); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2118 | } |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 2119 | if (paint.fColorMatrixEnabled) { |
| 2120 | drawState->enableState(GrDrawState::kColorMatrix_StateBit); |
| 2121 | } else { |
| 2122 | drawState->disableState(GrDrawState::kColorMatrix_StateBit); |
| 2123 | } |
bsalomon@google.com | 6b67e21 | 2011-12-09 16:10:24 +0000 | [diff] [blame] | 2124 | drawState->setBlendFunc(paint.fSrcBlendCoeff, paint.fDstBlendCoeff); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2125 | drawState->setColorFilter(paint.fColorFilterColor, paint.fColorFilterXfermode); |
senorblanco@chromium.org | 50bdad8 | 2012-01-03 20:51:57 +0000 | [diff] [blame] | 2126 | drawState->setColorMatrix(paint.fColorMatrix); |
bsalomon@google.com | dd1be60 | 2012-01-18 20:34:00 +0000 | [diff] [blame] | 2127 | drawState->setCoverage(paint.fCoverage); |
bsalomon@google.com | d46e242 | 2011-09-23 17:40:07 +0000 | [diff] [blame] | 2128 | |
| 2129 | if (paint.getActiveMaskStageMask() && !target->canApplyCoverage()) { |
| 2130 | GrPrintf("Partial pixel coverage will be incorrectly blended.\n"); |
| 2131 | } |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2132 | } |
| 2133 | |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 2134 | GrDrawTarget* GrContext::prepareToDraw(const GrPaint& paint, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2135 | DrawCategory category) { |
| 2136 | if (category != fLastDrawCategory) { |
| 2137 | flushDrawBuffer(); |
| 2138 | fLastDrawCategory = category; |
| 2139 | } |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 2140 | this->setPaint(paint, fGpu); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2141 | GrDrawTarget* target = fGpu; |
| 2142 | switch (category) { |
| 2143 | case kText_DrawCategory: |
| 2144 | #if DEFER_TEXT_RENDERING |
| 2145 | target = fDrawBuffer; |
| 2146 | fDrawBuffer->initializeDrawStateAndClip(*fGpu); |
| 2147 | #else |
| 2148 | target = fGpu; |
| 2149 | #endif |
| 2150 | break; |
| 2151 | case kUnbuffered_DrawCategory: |
| 2152 | target = fGpu; |
| 2153 | break; |
| 2154 | case kBuffered_DrawCategory: |
| 2155 | target = fDrawBuffer; |
| 2156 | fDrawBuffer->initializeDrawStateAndClip(*fGpu); |
| 2157 | break; |
| 2158 | } |
| 2159 | return target; |
| 2160 | } |
| 2161 | |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 2162 | GrPathRenderer* GrContext::getPathRenderer(const GrPath& path, |
| 2163 | GrPathFill fill, |
| 2164 | bool antiAlias) { |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 2165 | if (NULL == fPathRendererChain) { |
| 2166 | fPathRendererChain = |
| 2167 | new GrPathRendererChain(this, GrPathRendererChain::kNone_UsageFlag); |
| 2168 | } |
bsalomon@google.com | 289533a | 2011-10-27 12:34:25 +0000 | [diff] [blame] | 2169 | return fPathRendererChain->getPathRenderer(fGpu->getCaps(), path, |
| 2170 | fill, antiAlias); |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 2171 | } |
| 2172 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2173 | //////////////////////////////////////////////////////////////////////////////// |
| 2174 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2175 | void GrContext::setRenderTarget(GrRenderTarget* target) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 2176 | ASSERT_OWNED_RESOURCE(target); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 2177 | this->flush(false); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2178 | fGpu->drawState()->setRenderTarget(target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2179 | } |
| 2180 | |
| 2181 | GrRenderTarget* GrContext::getRenderTarget() { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2182 | return fGpu->drawState()->getRenderTarget(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2183 | } |
| 2184 | |
| 2185 | const GrRenderTarget* GrContext::getRenderTarget() const { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2186 | return fGpu->getDrawState().getRenderTarget(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2187 | } |
| 2188 | |
| 2189 | const GrMatrix& GrContext::getMatrix() const { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2190 | return fGpu->getDrawState().getViewMatrix(); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2191 | } |
| 2192 | |
| 2193 | void GrContext::setMatrix(const GrMatrix& m) { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2194 | fGpu->drawState()->setViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2195 | } |
| 2196 | |
| 2197 | void GrContext::concatMatrix(const GrMatrix& m) const { |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2198 | fGpu->drawState()->preConcatViewMatrix(m); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2199 | } |
| 2200 | |
| 2201 | static inline intptr_t setOrClear(intptr_t bits, int shift, intptr_t pred) { |
| 2202 | intptr_t mask = 1 << shift; |
| 2203 | if (pred) { |
| 2204 | bits |= mask; |
| 2205 | } else { |
| 2206 | bits &= ~mask; |
| 2207 | } |
| 2208 | return bits; |
| 2209 | } |
| 2210 | |
| 2211 | void GrContext::resetStats() { |
| 2212 | fGpu->resetStats(); |
| 2213 | } |
| 2214 | |
bsalomon@google.com | 05ef510 | 2011-05-02 21:14:59 +0000 | [diff] [blame] | 2215 | const GrGpuStats& GrContext::getStats() const { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2216 | return fGpu->getStats(); |
| 2217 | } |
| 2218 | |
| 2219 | void GrContext::printStats() const { |
| 2220 | fGpu->printStats(); |
| 2221 | } |
| 2222 | |
bsalomon@google.com | 583a1e3 | 2011-08-17 13:42:46 +0000 | [diff] [blame] | 2223 | GrContext::GrContext(GrGpu* gpu) { |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2224 | fGpu = gpu; |
| 2225 | fGpu->ref(); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 2226 | fGpu->setContext(this); |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 2227 | |
bsalomon@google.com | 3008519 | 2011-08-19 15:42:31 +0000 | [diff] [blame] | 2228 | fPathRendererChain = NULL; |
bsalomon@google.com | dfe75bc | 2011-03-25 12:31:16 +0000 | [diff] [blame] | 2229 | |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 2230 | fTextureCache = new GrResourceCache(MAX_TEXTURE_CACHE_COUNT, |
| 2231 | MAX_TEXTURE_CACHE_BYTES); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2232 | fFontCache = new GrFontCache(fGpu); |
| 2233 | |
| 2234 | fLastDrawCategory = kUnbuffered_DrawCategory; |
| 2235 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 2236 | fDrawBuffer = NULL; |
| 2237 | fDrawBufferVBAllocPool = NULL; |
| 2238 | fDrawBufferIBAllocPool = NULL; |
| 2239 | |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 2240 | fAAFillRectIndexBuffer = NULL; |
| 2241 | fAAStrokeRectIndexBuffer = NULL; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 2242 | |
bsalomon@google.com | 18c9c19 | 2011-09-22 21:01:31 +0000 | [diff] [blame] | 2243 | int gpuMaxOffscreen = gpu->getCaps().fMaxRenderTargetSize; |
| 2244 | if (!PREFER_MSAA_OFFSCREEN_AA || !gpu->getCaps().fFSAASupport) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 2245 | gpuMaxOffscreen /= OFFSCREEN_SSAA_SCALE; |
| 2246 | } |
| 2247 | fMaxOffscreenAASize = GrMin(GR_MAX_OFFSCREEN_AA_SIZE, gpuMaxOffscreen); |
bsalomon@google.com | 205d460 | 2011-04-25 12:43:45 +0000 | [diff] [blame] | 2248 | |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 2249 | this->setupDrawBuffer(); |
| 2250 | } |
| 2251 | |
| 2252 | void GrContext::setupDrawBuffer() { |
| 2253 | |
| 2254 | GrAssert(NULL == fDrawBuffer); |
| 2255 | GrAssert(NULL == fDrawBufferVBAllocPool); |
| 2256 | GrAssert(NULL == fDrawBufferIBAllocPool); |
| 2257 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2258 | #if DEFER_TEXT_RENDERING || BATCH_RECT_TO_RECT |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 2259 | fDrawBufferVBAllocPool = |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 2260 | new GrVertexBufferAllocPool(fGpu, false, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2261 | DRAW_BUFFER_VBPOOL_BUFFER_SIZE, |
| 2262 | DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS); |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 2263 | fDrawBufferIBAllocPool = |
bsalomon@google.com | 8fe7247 | 2011-03-30 21:26:44 +0000 | [diff] [blame] | 2264 | new GrIndexBufferAllocPool(fGpu, false, |
bsalomon@google.com | de6ac2d | 2011-02-25 21:50:42 +0000 | [diff] [blame] | 2265 | DRAW_BUFFER_IBPOOL_BUFFER_SIZE, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2266 | DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS); |
| 2267 | |
bsalomon@google.com | 471d471 | 2011-08-23 15:45:25 +0000 | [diff] [blame] | 2268 | fDrawBuffer = new GrInOrderDrawBuffer(fGpu, |
| 2269 | fDrawBufferVBAllocPool, |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2270 | fDrawBufferIBAllocPool); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2271 | #endif |
| 2272 | |
| 2273 | #if BATCH_RECT_TO_RECT |
| 2274 | fDrawBuffer->setQuadIndexBuffer(this->getQuadIndexBuffer()); |
| 2275 | #endif |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2276 | } |
| 2277 | |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2278 | GrDrawTarget* GrContext::getTextTarget(const GrPaint& paint) { |
| 2279 | GrDrawTarget* target; |
| 2280 | #if DEFER_TEXT_RENDERING |
| 2281 | target = prepareToDraw(paint, kText_DrawCategory); |
| 2282 | #else |
| 2283 | target = prepareToDraw(paint, kUnbuffered_DrawCategory); |
| 2284 | #endif |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 2285 | this->setPaint(paint, target); |
bsalomon@google.com | 27847de | 2011-02-22 20:59:41 +0000 | [diff] [blame] | 2286 | return target; |
| 2287 | } |
| 2288 | |
| 2289 | const GrIndexBuffer* GrContext::getQuadIndexBuffer() const { |
| 2290 | return fGpu->getQuadIndexBuffer(); |
| 2291 | } |
bsalomon@google.com | dfe75bc | 2011-03-25 12:31:16 +0000 | [diff] [blame] | 2292 | |
senorblanco@chromium.org | aadd9f8 | 2011-07-12 19:44:51 +0000 | [diff] [blame] | 2293 | void GrContext::convolveInX(GrTexture* texture, |
| 2294 | const SkRect& rect, |
| 2295 | const float* kernel, |
| 2296 | int kernelWidth) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 2297 | ASSERT_OWNED_RESOURCE(texture); |
| 2298 | |
bsalomon@google.com | 9962108 | 2011-11-15 16:47:16 +0000 | [diff] [blame] | 2299 | float imageIncrement[2] = {1.0f / texture->width(), 0.0f}; |
senorblanco@chromium.org | aadd9f8 | 2011-07-12 19:44:51 +0000 | [diff] [blame] | 2300 | convolve(texture, rect, imageIncrement, kernel, kernelWidth); |
| 2301 | } |
| 2302 | |
| 2303 | void GrContext::convolveInY(GrTexture* texture, |
| 2304 | const SkRect& rect, |
| 2305 | const float* kernel, |
| 2306 | int kernelWidth) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 2307 | ASSERT_OWNED_RESOURCE(texture); |
| 2308 | |
bsalomon@google.com | 9962108 | 2011-11-15 16:47:16 +0000 | [diff] [blame] | 2309 | float imageIncrement[2] = {0.0f, 1.0f / texture->height()}; |
senorblanco@chromium.org | aadd9f8 | 2011-07-12 19:44:51 +0000 | [diff] [blame] | 2310 | convolve(texture, rect, imageIncrement, kernel, kernelWidth); |
| 2311 | } |
| 2312 | |
| 2313 | void GrContext::convolve(GrTexture* texture, |
| 2314 | const SkRect& rect, |
| 2315 | float imageIncrement[2], |
| 2316 | const float* kernel, |
| 2317 | int kernelWidth) { |
bsalomon@google.com | bc4b654 | 2011-11-19 13:56:11 +0000 | [diff] [blame] | 2318 | ASSERT_OWNED_RESOURCE(texture); |
| 2319 | |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 2320 | GrDrawTarget::AutoStateRestore asr(fGpu); |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2321 | GrDrawState* drawState = fGpu->drawState(); |
bsalomon@google.com | dd1be60 | 2012-01-18 20:34:00 +0000 | [diff] [blame] | 2322 | GrRenderTarget* target = drawState->getRenderTarget(); |
| 2323 | drawState->reset(); |
| 2324 | drawState->setRenderTarget(target); |
bsalomon@google.com | 1e266f8 | 2011-12-12 16:11:33 +0000 | [diff] [blame] | 2325 | GrMatrix sampleM; |
| 2326 | sampleM.setIDiv(texture->width(), texture->height()); |
| 2327 | drawState->sampler(0)->reset(GrSamplerState::kClamp_WrapMode, |
| 2328 | GrSamplerState::kConvolution_Filter, |
| 2329 | sampleM); |
| 2330 | drawState->sampler(0)->setConvolutionParams(kernelWidth, |
| 2331 | kernel, |
| 2332 | imageIncrement); |
| 2333 | |
bsalomon@google.com | 8f9cbd6 | 2011-12-09 15:55:34 +0000 | [diff] [blame] | 2334 | drawState->setTexture(0, texture); |
senorblanco@chromium.org | 027de5f | 2011-07-08 18:03:33 +0000 | [diff] [blame] | 2335 | fGpu->drawSimpleRect(rect, NULL, 1 << 0); |
| 2336 | } |
bsalomon@google.com | c436499 | 2011-11-07 15:54:49 +0000 | [diff] [blame] | 2337 | |
| 2338 | /////////////////////////////////////////////////////////////////////////////// |