reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1 | /* |
bsalomon@google.com | 1da0746 | 2011-03-10 14:51:57 +0000 | [diff] [blame] | 2 | Copyright 2011 Google Inc. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | |
| 18 | #include "GrContext.h" |
| 19 | #include "GrTextContext.h" |
| 20 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 21 | #include "SkGpuDevice.h" |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 22 | #include "SkGpuDeviceFactory.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 23 | #include "SkGrTexturePixelRef.h" |
| 24 | |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 25 | #include "SkColorFilter.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 26 | #include "SkDrawProcs.h" |
| 27 | #include "SkGlyphCache.h" |
reed@google.com | c9aa587 | 2011-04-05 21:05:37 +0000 | [diff] [blame] | 28 | #include "SkUtils.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 29 | |
| 30 | #define CACHE_LAYER_TEXTURES 1 |
| 31 | |
| 32 | #if 0 |
| 33 | extern bool (*gShouldDrawProc)(); |
| 34 | #define CHECK_SHOULD_DRAW(draw) \ |
| 35 | do { \ |
| 36 | if (gShouldDrawProc && !gShouldDrawProc()) return; \ |
| 37 | this->prepareRenderTarget(draw); \ |
| 38 | } while (0) |
| 39 | #else |
| 40 | #define CHECK_SHOULD_DRAW(draw) this->prepareRenderTarget(draw) |
| 41 | #endif |
| 42 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 43 | // we use the same texture slot on GrPaint for bitmaps and shaders |
| 44 | // (since drawBitmap, drawSprite, and drawDevice ignore skia's shader) |
| 45 | enum { |
| 46 | kBitmapTextureIdx = 0, |
| 47 | kShaderTextureIdx = 0 |
| 48 | }; |
| 49 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 50 | /////////////////////////////////////////////////////////////////////////////// |
| 51 | |
| 52 | SkGpuDevice::SkAutoCachedTexture:: |
| 53 | SkAutoCachedTexture(SkGpuDevice* device, |
| 54 | const SkBitmap& bitmap, |
| 55 | const GrSamplerState& sampler, |
| 56 | GrTexture** texture) { |
| 57 | GrAssert(texture); |
| 58 | fTex = NULL; |
| 59 | *texture = this->set(device, bitmap, sampler); |
| 60 | } |
| 61 | |
| 62 | SkGpuDevice::SkAutoCachedTexture::SkAutoCachedTexture() { |
| 63 | fTex = NULL; |
| 64 | } |
| 65 | |
| 66 | GrTexture* SkGpuDevice::SkAutoCachedTexture::set(SkGpuDevice* device, |
| 67 | const SkBitmap& bitmap, |
| 68 | const GrSamplerState& sampler) { |
| 69 | if (fTex) { |
| 70 | fDevice->unlockCachedTexture(fTex); |
| 71 | } |
| 72 | fDevice = device; |
| 73 | GrTexture* texture = (GrTexture*)bitmap.getTexture(); |
| 74 | if (texture) { |
| 75 | // return the native texture |
| 76 | fTex = NULL; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 77 | } else { |
| 78 | // look it up in our cache |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 79 | fTex = device->lockCachedTexture(bitmap, sampler, &texture); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 80 | } |
| 81 | return texture; |
| 82 | } |
| 83 | |
| 84 | SkGpuDevice::SkAutoCachedTexture::~SkAutoCachedTexture() { |
| 85 | if (fTex) { |
| 86 | fDevice->unlockCachedTexture(fTex); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | /////////////////////////////////////////////////////////////////////////////// |
| 91 | |
| 92 | bool gDoTraceDraw; |
| 93 | |
| 94 | struct GrSkDrawProcs : public SkDrawProcs { |
| 95 | public: |
| 96 | GrContext* fContext; |
| 97 | GrTextContext* fTextContext; |
| 98 | GrFontScaler* fFontScaler; // cached in the skia glyphcache |
| 99 | }; |
| 100 | |
| 101 | /////////////////////////////////////////////////////////////////////////////// |
| 102 | |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 103 | GrRenderTarget* SkGpuDevice::Current3DApiRenderTarget() { |
| 104 | return (GrRenderTarget*) -1; |
| 105 | } |
| 106 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 107 | static SkBitmap::Config grConfig2skConfig(GrPixelConfig config, bool* isOpaque) { |
| 108 | switch (config) { |
| 109 | case kAlpha_8_GrPixelConfig: |
| 110 | *isOpaque = false; |
| 111 | return SkBitmap::kA8_Config; |
| 112 | case kRGB_565_GrPixelConfig: |
| 113 | *isOpaque = true; |
| 114 | return SkBitmap::kRGB_565_Config; |
| 115 | case kRGBA_4444_GrPixelConfig: |
| 116 | *isOpaque = false; |
| 117 | return SkBitmap::kARGB_4444_Config; |
| 118 | case kRGBA_8888_GrPixelConfig: |
| 119 | case kRGBX_8888_GrPixelConfig: |
| 120 | *isOpaque = (kRGBX_8888_GrPixelConfig == config); |
| 121 | return SkBitmap::kARGB_8888_Config; |
| 122 | default: |
| 123 | *isOpaque = false; |
| 124 | return SkBitmap::kNo_Config; |
| 125 | } |
| 126 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 127 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 128 | static SkBitmap make_bitmap(GrContext* context, GrRenderTarget* renderTarget) { |
| 129 | if (SkGpuDevice::Current3DApiRenderTarget() == renderTarget) { |
| 130 | renderTarget = context->createRenderTargetFrom3DApiState(); |
| 131 | } |
| 132 | GrTexture* texture = renderTarget->asTexture(); |
| 133 | GrPixelConfig config = texture ? texture->config() : kRGBA_8888_GrPixelConfig; |
| 134 | |
| 135 | bool isOpaque; |
| 136 | SkBitmap bitmap; |
| 137 | bitmap.setConfig(grConfig2skConfig(config, &isOpaque), |
| 138 | renderTarget->width(), renderTarget->height()); |
| 139 | bitmap.setIsOpaque(isOpaque); |
| 140 | return bitmap; |
| 141 | } |
| 142 | |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame^] | 143 | SkGpuDevice::SkGpuDevice(GrContext* context, GrTexture* texture) |
| 144 | : SkDevice(make_bitmap(context, texture->asRenderTarget())) { |
| 145 | this->initFromRenderTarget(context, texture->asRenderTarget()); |
| 146 | } |
| 147 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 148 | SkGpuDevice::SkGpuDevice(GrContext* context, GrRenderTarget* renderTarget) |
| 149 | : SkDevice(make_bitmap(context, renderTarget)) { |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame^] | 150 | this->initFromRenderTarget(context, renderTarget); |
| 151 | } |
| 152 | |
| 153 | void SkGpuDevice::initFromRenderTarget(GrContext* context, |
| 154 | GrRenderTarget* renderTarget) { |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 155 | fNeedPrepareRenderTarget = false; |
| 156 | fDrawProcs = NULL; |
| 157 | |
| 158 | fContext = context; |
| 159 | fContext->ref(); |
| 160 | |
| 161 | fCache = NULL; |
| 162 | fTexture = NULL; |
| 163 | fRenderTarget = NULL; |
| 164 | fNeedClear = false; |
| 165 | |
| 166 | if (Current3DApiRenderTarget() == renderTarget) { |
| 167 | fRenderTarget = fContext->createRenderTargetFrom3DApiState(); |
| 168 | } else { |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame^] | 169 | GrAssert(NULL != renderTarget); |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 170 | fRenderTarget = renderTarget; |
| 171 | fRenderTarget->ref(); |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame^] | 172 | // if this RT is also a texture, hold a ref on it |
| 173 | fTexture = fRenderTarget->asTexture(); |
| 174 | SkSafeRef(fTexture); |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | SkGrRenderTargetPixelRef* pr = new SkGrRenderTargetPixelRef(fRenderTarget); |
| 178 | this->setPixelRef(pr, 0)->unref(); |
| 179 | } |
| 180 | |
| 181 | SkGpuDevice::SkGpuDevice(GrContext* context, SkBitmap::Config config, int width, |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 182 | int height, Usage usage) |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 183 | : SkDevice(config, width, height, false /*isOpaque*/) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 184 | fNeedPrepareRenderTarget = false; |
| 185 | fDrawProcs = NULL; |
| 186 | |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 187 | fContext = context; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 188 | fContext->ref(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 189 | |
| 190 | fCache = NULL; |
| 191 | fTexture = NULL; |
| 192 | fRenderTarget = NULL; |
| 193 | fNeedClear = false; |
| 194 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 195 | if (config != SkBitmap::kRGB_565_Config) { |
| 196 | config = SkBitmap::kARGB_8888_Config; |
| 197 | } |
| 198 | SkBitmap bm; |
| 199 | bm.setConfig(config, width, height); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 200 | |
| 201 | #if CACHE_LAYER_TEXTURES |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 202 | TexType type = (kSaveLayer_Usage == usage) ? |
| 203 | kSaveLayerDeviceRenderTarget_TexType : |
| 204 | kDeviceRenderTarget_TexType; |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 205 | fCache = this->lockCachedTexture(bm, GrSamplerState::ClampNoFilter(), |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 206 | &fTexture, type); |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 207 | if (fCache) { |
| 208 | SkASSERT(NULL != fTexture); |
| 209 | SkASSERT(NULL != fTexture->asRenderTarget()); |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame^] | 210 | // hold a ref directly on fTexture (even though fCache has one) to match |
| 211 | // other constructor paths. Simplifies cleanup. |
| 212 | fTexture->ref(); |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 213 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 214 | #else |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 215 | const GrTextureDesc desc = { |
| 216 | kRenderTarget_GrTextureFlagBit, |
| 217 | kNone_GrAALevel, |
| 218 | width, |
| 219 | height, |
| 220 | SkGr::Bitmap2PixelConfig(bm) |
| 221 | }; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 222 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 223 | fTexture = fContext->createUncachedTexture(desc, NULL, 0); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 224 | #endif |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 225 | if (NULL != fTexture) { |
| 226 | fRenderTarget = fTexture->asRenderTarget(); |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame^] | 227 | fRenderTarget->ref(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 228 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 229 | GrAssert(NULL != fRenderTarget); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 230 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 231 | // we defer the actual clear until our gainFocus() |
| 232 | fNeedClear = true; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 233 | |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 234 | // wrap the bitmap with a pixelref to expose our texture |
| 235 | SkGrTexturePixelRef* pr = new SkGrTexturePixelRef(fTexture); |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 236 | this->setPixelRef(pr, 0)->unref(); |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 237 | } else { |
| 238 | GrPrintf("--- failed to create gpu-offscreen [%d %d]\n", |
| 239 | width, height); |
| 240 | GrAssert(false); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 241 | } |
| 242 | } |
| 243 | |
| 244 | SkGpuDevice::~SkGpuDevice() { |
| 245 | if (fDrawProcs) { |
| 246 | delete fDrawProcs; |
| 247 | } |
| 248 | |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame^] | 249 | SkSafeUnref(fTexture); |
| 250 | SkSafeUnref(fRenderTarget); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 251 | if (fCache) { |
| 252 | GrAssert(NULL != fTexture); |
| 253 | GrAssert(fRenderTarget == fTexture->asRenderTarget()); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 254 | fContext->unlockTexture((GrTextureEntry*)fCache); |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame^] | 255 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 256 | fContext->unref(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 257 | } |
| 258 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 259 | intptr_t SkGpuDevice::getLayerTextureHandle() const { |
| 260 | if (fTexture) { |
| 261 | return fTexture->getTextureHandle(); |
| 262 | } else { |
| 263 | return 0; |
| 264 | } |
| 265 | } |
mike@reedtribe.org | ea4ac97 | 2011-04-26 11:48:33 +0000 | [diff] [blame] | 266 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 267 | /////////////////////////////////////////////////////////////////////////////// |
| 268 | |
| 269 | void SkGpuDevice::makeRenderTargetCurrent() { |
| 270 | fContext->setRenderTarget(fRenderTarget); |
| 271 | fContext->flush(true); |
| 272 | fNeedPrepareRenderTarget = true; |
| 273 | } |
| 274 | |
| 275 | /////////////////////////////////////////////////////////////////////////////// |
| 276 | |
| 277 | bool SkGpuDevice::readPixels(const SkIRect& srcRect, SkBitmap* bitmap) { |
| 278 | SkIRect bounds; |
| 279 | bounds.set(0, 0, this->width(), this->height()); |
| 280 | if (!bounds.intersect(srcRect)) { |
| 281 | return false; |
| 282 | } |
| 283 | |
| 284 | const int w = bounds.width(); |
| 285 | const int h = bounds.height(); |
| 286 | SkBitmap tmp; |
| 287 | // note we explicitly specify our rowBytes to be snug (no gap between rows) |
| 288 | tmp.setConfig(SkBitmap::kARGB_8888_Config, w, h, w * 4); |
| 289 | if (!tmp.allocPixels()) { |
| 290 | return false; |
| 291 | } |
| 292 | |
Scroggo | 813c33c | 2011-04-07 20:56:21 +0000 | [diff] [blame] | 293 | tmp.lockPixels(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 294 | |
Scroggo | eb17603 | 2011-04-07 21:11:49 +0000 | [diff] [blame] | 295 | bool read = fContext->readRenderTargetPixels(fRenderTarget, |
| 296 | bounds.fLeft, bounds.fTop, |
| 297 | bounds.width(), bounds.height(), |
| 298 | kRGBA_8888_GrPixelConfig, |
| 299 | tmp.getPixels()); |
Scroggo | 813c33c | 2011-04-07 20:56:21 +0000 | [diff] [blame] | 300 | tmp.unlockPixels(); |
| 301 | if (!read) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 302 | return false; |
| 303 | } |
| 304 | |
| 305 | tmp.swap(*bitmap); |
| 306 | return true; |
| 307 | } |
| 308 | |
| 309 | void SkGpuDevice::writePixels(const SkBitmap& bitmap, int x, int y) { |
| 310 | SkAutoLockPixels alp(bitmap); |
| 311 | if (!bitmap.readyToDraw()) { |
| 312 | return; |
| 313 | } |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 314 | GrPixelConfig config = SkGr::BitmapConfig2PixelConfig(bitmap.config(), |
| 315 | bitmap.isOpaque()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 316 | fContext->setRenderTarget(fRenderTarget); |
| 317 | // we aren't setting the clip or matrix, so mark as dirty |
| 318 | // we don't need to set them for this call and don't have them anyway |
| 319 | fNeedPrepareRenderTarget = true; |
| 320 | |
| 321 | fContext->writePixels(x, y, bitmap.width(), bitmap.height(), |
| 322 | config, bitmap.getPixels(), bitmap.rowBytes()); |
| 323 | } |
| 324 | |
| 325 | /////////////////////////////////////////////////////////////////////////////// |
| 326 | |
| 327 | static void convert_matrixclip(GrContext* context, const SkMatrix& matrix, |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 328 | const SkClipStack& clipStack, |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 329 | const SkRegion& clipRegion, |
| 330 | const SkIPoint& origin) { |
bsalomon@google.com | cc4dac3 | 2011-05-10 13:52:42 +0000 | [diff] [blame] | 331 | context->setMatrix(matrix); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 332 | |
| 333 | SkGrClipIterator iter; |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 334 | iter.reset(clipStack); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 335 | const SkIRect& skBounds = clipRegion.getBounds(); |
| 336 | GrRect bounds; |
| 337 | bounds.setLTRB(GrIntToScalar(skBounds.fLeft), |
| 338 | GrIntToScalar(skBounds.fTop), |
| 339 | GrIntToScalar(skBounds.fRight), |
| 340 | GrIntToScalar(skBounds.fBottom)); |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 341 | GrClip grc(&iter, GrIntToScalar(-origin.x()), GrIntToScalar(-origin.y()), |
| 342 | &bounds); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 343 | context->setClip(grc); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 344 | } |
| 345 | |
| 346 | // call this ever each draw call, to ensure that the context reflects our state, |
| 347 | // and not the state from some other canvas/device |
| 348 | void SkGpuDevice::prepareRenderTarget(const SkDraw& draw) { |
| 349 | if (fNeedPrepareRenderTarget || |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 350 | fContext->getRenderTarget() != fRenderTarget) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 351 | |
| 352 | fContext->setRenderTarget(fRenderTarget); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 353 | SkASSERT(draw.fClipStack); |
| 354 | convert_matrixclip(fContext, *draw.fMatrix, |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 355 | *draw.fClipStack, *draw.fClip, this->getOrigin()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 356 | fNeedPrepareRenderTarget = false; |
| 357 | } |
| 358 | } |
| 359 | |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 360 | void SkGpuDevice::setMatrixClip(const SkMatrix& matrix, const SkRegion& clip, |
| 361 | const SkClipStack& clipStack) { |
| 362 | this->INHERITED::setMatrixClip(matrix, clip, clipStack); |
bsalomon@google.com | a7bf6e2 | 2011-04-11 19:20:46 +0000 | [diff] [blame] | 363 | // We don't need to set them now because the context may not reflect this device. |
| 364 | fNeedPrepareRenderTarget = true; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | void SkGpuDevice::gainFocus(SkCanvas* canvas, const SkMatrix& matrix, |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 368 | const SkRegion& clip, const SkClipStack& clipStack) { |
| 369 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 370 | fContext->setRenderTarget(fRenderTarget); |
| 371 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 372 | this->INHERITED::gainFocus(canvas, matrix, clip, clipStack); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 373 | |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 374 | convert_matrixclip(fContext, matrix, clipStack, clip, this->getOrigin()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 375 | |
| 376 | if (fNeedClear) { |
bsalomon@google.com | 31a5840 | 2011-04-27 21:00:02 +0000 | [diff] [blame] | 377 | fContext->clear(NULL, 0x0); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 378 | fNeedClear = false; |
| 379 | } |
| 380 | } |
| 381 | |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 382 | bool SkGpuDevice::bindDeviceAsTexture(GrPaint* paint) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 383 | if (NULL != fTexture) { |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 384 | paint->setTexture(kBitmapTextureIdx, fTexture); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 385 | return true; |
| 386 | } |
| 387 | return false; |
| 388 | } |
| 389 | |
| 390 | /////////////////////////////////////////////////////////////////////////////// |
| 391 | |
vandebo@chromium.org | d3ae779 | 2011-02-24 00:21:06 +0000 | [diff] [blame] | 392 | SK_COMPILE_ASSERT(SkShader::kNone_BitmapType == 0, shader_type_mismatch); |
| 393 | SK_COMPILE_ASSERT(SkShader::kDefault_BitmapType == 1, shader_type_mismatch); |
| 394 | SK_COMPILE_ASSERT(SkShader::kRadial_BitmapType == 2, shader_type_mismatch); |
| 395 | SK_COMPILE_ASSERT(SkShader::kSweep_BitmapType == 3, shader_type_mismatch); |
| 396 | SK_COMPILE_ASSERT(SkShader::kTwoPointRadial_BitmapType == 4, |
| 397 | shader_type_mismatch); |
| 398 | SK_COMPILE_ASSERT(SkShader::kLast_BitmapType == 4, shader_type_mismatch); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 399 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 400 | static const GrSamplerState::SampleMode sk_bmp_type_to_sample_mode[] = { |
| 401 | (GrSamplerState::SampleMode) -1, // kNone_BitmapType |
| 402 | GrSamplerState::kNormal_SampleMode, // kDefault_BitmapType |
| 403 | GrSamplerState::kRadial_SampleMode, // kRadial_BitmapType |
| 404 | GrSamplerState::kSweep_SampleMode, // kSweep_BitmapType |
| 405 | GrSamplerState::kRadial2_SampleMode, // kTwoPointRadial_BitmapType |
| 406 | }; |
| 407 | |
| 408 | bool SkGpuDevice::skPaint2GrPaintNoShader(const SkPaint& skPaint, |
| 409 | bool justAlpha, |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 410 | GrPaint* grPaint, |
| 411 | bool constantColor) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 412 | |
| 413 | grPaint->fDither = skPaint.isDither(); |
| 414 | grPaint->fAntiAlias = skPaint.isAntiAlias(); |
| 415 | |
| 416 | SkXfermode::Coeff sm = SkXfermode::kOne_Coeff; |
| 417 | SkXfermode::Coeff dm = SkXfermode::kISA_Coeff; |
| 418 | |
| 419 | SkXfermode* mode = skPaint.getXfermode(); |
| 420 | if (mode) { |
| 421 | if (!mode->asCoeff(&sm, &dm)) { |
reed@google.com | 1a2e8d2 | 2011-01-21 22:08:29 +0000 | [diff] [blame] | 422 | SkDEBUGCODE(SkDebugf("Unsupported xfer mode.\n");) |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 423 | #if 0 |
| 424 | return false; |
| 425 | #endif |
| 426 | } |
| 427 | } |
| 428 | grPaint->fSrcBlendCoeff = sk_blend_to_grblend(sm); |
| 429 | grPaint->fDstBlendCoeff = sk_blend_to_grblend(dm); |
| 430 | |
| 431 | if (justAlpha) { |
| 432 | uint8_t alpha = skPaint.getAlpha(); |
| 433 | grPaint->fColor = GrColorPackRGBA(alpha, alpha, alpha, alpha); |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 434 | // justAlpha is currently set to true only if there is a texture, |
| 435 | // so constantColor should not also be true. |
| 436 | GrAssert(!constantColor); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 437 | } else { |
| 438 | grPaint->fColor = SkGr::SkColor2GrColor(skPaint.getColor()); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 439 | grPaint->setTexture(kShaderTextureIdx, NULL); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 440 | } |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 441 | SkColorFilter* colorFilter = skPaint.getColorFilter(); |
| 442 | SkColor color; |
| 443 | SkXfermode::Mode filterMode; |
| 444 | if (colorFilter != NULL && colorFilter->asColorMode(&color, &filterMode)) { |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 445 | if (!constantColor) { |
| 446 | grPaint->fColorFilterColor = SkGr::SkColor2GrColor(color); |
| 447 | grPaint->fColorFilterXfermode = filterMode; |
| 448 | return true; |
| 449 | } |
| 450 | SkColor filtered = colorFilter->filterColor(skPaint.getColor()); |
| 451 | grPaint->fColor = SkGr::SkColor2GrColor(filtered); |
Scroggo | 97c88c2 | 2011-05-11 14:05:25 +0000 | [diff] [blame] | 452 | } |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 453 | grPaint->resetColorFilter(); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 454 | return true; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 455 | } |
| 456 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 457 | bool SkGpuDevice::skPaint2GrPaintShader(const SkPaint& skPaint, |
| 458 | SkAutoCachedTexture* act, |
| 459 | const SkMatrix& ctm, |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 460 | GrPaint* grPaint, |
| 461 | bool constantColor) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 462 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 463 | SkASSERT(NULL != act); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 464 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 465 | SkShader* shader = skPaint.getShader(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 466 | if (NULL == shader) { |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 467 | return this->skPaint2GrPaintNoShader(skPaint, |
| 468 | false, |
| 469 | grPaint, |
| 470 | constantColor); |
| 471 | } else if (!this->skPaint2GrPaintNoShader(skPaint, true, grPaint, false)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 472 | return false; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 473 | } |
| 474 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 475 | SkPaint noAlphaPaint(skPaint); |
| 476 | noAlphaPaint.setAlpha(255); |
| 477 | shader->setContext(this->accessBitmap(false), noAlphaPaint, ctm); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 478 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 479 | SkBitmap bitmap; |
| 480 | SkMatrix matrix; |
| 481 | SkShader::TileMode tileModes[2]; |
| 482 | SkScalar twoPointParams[3]; |
| 483 | SkShader::BitmapType bmptype = shader->asABitmap(&bitmap, &matrix, |
| 484 | tileModes, twoPointParams); |
| 485 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 486 | GrSamplerState::SampleMode sampleMode = sk_bmp_type_to_sample_mode[bmptype]; |
| 487 | if (-1 == sampleMode) { |
| 488 | SkDebugf("shader->asABitmap() == kNone_BitmapType\n"); |
| 489 | return false; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 490 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 491 | GrSamplerState* sampler = grPaint->getTextureSampler(kShaderTextureIdx); |
| 492 | sampler->setSampleMode(sampleMode); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 493 | if (skPaint.isFilterBitmap()) { |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 494 | sampler->setFilter(GrSamplerState::kBilinear_Filter); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 495 | } else { |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 496 | sampler->setFilter(GrSamplerState::kNearest_Filter); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 497 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 498 | sampler->setWrapX(sk_tile_mode_to_grwrap(tileModes[0])); |
| 499 | sampler->setWrapY(sk_tile_mode_to_grwrap(tileModes[1])); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 500 | if (GrSamplerState::kRadial2_SampleMode == sampleMode) { |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 501 | sampler->setRadial2Params(twoPointParams[0], |
| 502 | twoPointParams[1], |
| 503 | twoPointParams[2] < 0); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 504 | } |
| 505 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 506 | GrTexture* texture = act->set(this, bitmap, *sampler); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 507 | if (NULL == texture) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 508 | SkDebugf("Couldn't convert bitmap to texture.\n"); |
| 509 | return false; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 510 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 511 | grPaint->setTexture(kShaderTextureIdx, texture); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 512 | |
| 513 | // since our texture coords will be in local space, we wack the texture |
| 514 | // matrix to map them back into 0...1 before we load it |
| 515 | SkMatrix localM; |
| 516 | if (shader->getLocalMatrix(&localM)) { |
| 517 | SkMatrix inverse; |
| 518 | if (localM.invert(&inverse)) { |
| 519 | matrix.preConcat(inverse); |
| 520 | } |
| 521 | } |
| 522 | if (SkShader::kDefault_BitmapType == bmptype) { |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 523 | GrScalar sx = GrFixedToScalar(GR_Fixed1 / bitmap.width()); |
| 524 | GrScalar sy = GrFixedToScalar(GR_Fixed1 / bitmap.height()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 525 | matrix.postScale(sx, sy); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 526 | } else if (SkShader::kRadial_BitmapType == bmptype) { |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 527 | GrScalar s = GrFixedToScalar(GR_Fixed1 / bitmap.width()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 528 | matrix.postScale(s, s); |
| 529 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 530 | sampler->setMatrix(matrix); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 531 | |
| 532 | return true; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 533 | } |
| 534 | |
| 535 | /////////////////////////////////////////////////////////////////////////////// |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 536 | |
| 537 | class SkPositionSource { |
| 538 | public: |
| 539 | SkPositionSource(const SkPoint* points, int count) |
| 540 | : fPoints(points), fCount(count) {} |
| 541 | |
| 542 | int count() const { return fCount; } |
| 543 | |
| 544 | void writeValue(int i, GrPoint* dstPosition) const { |
| 545 | SkASSERT(i < fCount); |
| 546 | dstPosition->fX = SkScalarToGrScalar(fPoints[i].fX); |
| 547 | dstPosition->fY = SkScalarToGrScalar(fPoints[i].fY); |
| 548 | } |
| 549 | private: |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 550 | const SkPoint* fPoints; |
bsalomon@google.com | 1962832 | 2011-02-03 21:30:17 +0000 | [diff] [blame] | 551 | int fCount; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 552 | }; |
| 553 | |
| 554 | class SkTexCoordSource { |
| 555 | public: |
| 556 | SkTexCoordSource(const SkPoint* coords) |
| 557 | : fCoords(coords) {} |
| 558 | |
| 559 | void writeValue(int i, GrPoint* dstCoord) const { |
| 560 | dstCoord->fX = SkScalarToGrScalar(fCoords[i].fX); |
| 561 | dstCoord->fY = SkScalarToGrScalar(fCoords[i].fY); |
| 562 | } |
| 563 | private: |
| 564 | const SkPoint* fCoords; |
| 565 | }; |
| 566 | |
| 567 | class SkColorSource { |
| 568 | public: |
| 569 | SkColorSource(const SkColor* colors) : fColors(colors) {} |
| 570 | |
| 571 | void writeValue(int i, GrColor* dstColor) const { |
| 572 | *dstColor = SkGr::SkColor2GrColor(fColors[i]); |
| 573 | } |
| 574 | private: |
| 575 | const SkColor* fColors; |
| 576 | }; |
| 577 | |
| 578 | class SkIndexSource { |
| 579 | public: |
| 580 | SkIndexSource(const uint16_t* indices, int count) |
| 581 | : fIndices(indices), fCount(count) { |
| 582 | } |
| 583 | |
| 584 | int count() const { return fCount; } |
| 585 | |
| 586 | void writeValue(int i, uint16_t* dstIndex) const { |
| 587 | *dstIndex = fIndices[i]; |
| 588 | } |
| 589 | |
| 590 | private: |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 591 | const uint16_t* fIndices; |
bsalomon@google.com | 1962832 | 2011-02-03 21:30:17 +0000 | [diff] [blame] | 592 | int fCount; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 593 | }; |
| 594 | |
| 595 | /////////////////////////////////////////////////////////////////////////////// |
| 596 | |
bsalomon@google.com | 6f7fbc9 | 2011-02-01 19:12:40 +0000 | [diff] [blame] | 597 | #if 0 // not currently being used so don't compile, |
| 598 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 599 | // can be used for positions or texture coordinates |
bsalomon@google.com | 6f7fbc9 | 2011-02-01 19:12:40 +0000 | [diff] [blame] | 600 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 601 | class SkRectFanSource { |
| 602 | public: |
| 603 | SkRectFanSource(const SkRect& rect) : fRect(rect) {} |
| 604 | |
| 605 | int count() const { return 4; } |
| 606 | |
| 607 | void writeValue(int i, GrPoint* dstPoint) const { |
| 608 | SkASSERT(i < 4); |
| 609 | dstPoint->fX = SkScalarToGrScalar((i % 3) ? fRect.fRight : |
| 610 | fRect.fLeft); |
| 611 | dstPoint->fY = SkScalarToGrScalar((i < 2) ? fRect.fTop : |
| 612 | fRect.fBottom); |
| 613 | } |
| 614 | private: |
| 615 | const SkRect& fRect; |
| 616 | }; |
| 617 | |
| 618 | class SkIRectFanSource { |
| 619 | public: |
| 620 | SkIRectFanSource(const SkIRect& rect) : fRect(rect) {} |
| 621 | |
| 622 | int count() const { return 4; } |
| 623 | |
| 624 | void writeValue(int i, GrPoint* dstPoint) const { |
| 625 | SkASSERT(i < 4); |
| 626 | dstPoint->fX = (i % 3) ? GrIntToScalar(fRect.fRight) : |
| 627 | GrIntToScalar(fRect.fLeft); |
| 628 | dstPoint->fY = (i < 2) ? GrIntToScalar(fRect.fTop) : |
| 629 | GrIntToScalar(fRect.fBottom); |
| 630 | } |
| 631 | private: |
| 632 | const SkIRect& fRect; |
| 633 | }; |
| 634 | |
| 635 | class SkMatRectFanSource { |
| 636 | public: |
| 637 | SkMatRectFanSource(const SkRect& rect, const SkMatrix& matrix) |
| 638 | : fRect(rect), fMatrix(matrix) {} |
| 639 | |
| 640 | int count() const { return 4; } |
| 641 | |
| 642 | void writeValue(int i, GrPoint* dstPoint) const { |
| 643 | SkASSERT(i < 4); |
| 644 | |
| 645 | #if SK_SCALAR_IS_GR_SCALAR |
| 646 | fMatrix.mapXY((i % 3) ? fRect.fRight : fRect.fLeft, |
| 647 | (i < 2) ? fRect.fTop : fRect.fBottom, |
| 648 | (SkPoint*)dstPoint); |
| 649 | #else |
| 650 | SkPoint dst; |
| 651 | fMatrix.mapXY((i % 3) ? fRect.fRight : fRect.fLeft, |
| 652 | (i < 2) ? fRect.fTop : fRect.fBottom, |
| 653 | &dst); |
| 654 | dstPoint->fX = SkScalarToGrScalar(dst.fX); |
| 655 | dstPoint->fY = SkScalarToGrScalar(dst.fY); |
| 656 | #endif |
| 657 | } |
| 658 | private: |
| 659 | const SkRect& fRect; |
| 660 | const SkMatrix& fMatrix; |
| 661 | }; |
| 662 | |
bsalomon@google.com | 6f7fbc9 | 2011-02-01 19:12:40 +0000 | [diff] [blame] | 663 | #endif |
| 664 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 665 | /////////////////////////////////////////////////////////////////////////////// |
| 666 | |
bsalomon@google.com | 398109c | 2011-04-14 18:40:27 +0000 | [diff] [blame] | 667 | void SkGpuDevice::clear(SkColor color) { |
bsalomon@google.com | 31a5840 | 2011-04-27 21:00:02 +0000 | [diff] [blame] | 668 | fContext->clear(NULL, color); |
bsalomon@google.com | 398109c | 2011-04-14 18:40:27 +0000 | [diff] [blame] | 669 | } |
| 670 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 671 | void SkGpuDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) { |
| 672 | CHECK_SHOULD_DRAW(draw); |
| 673 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 674 | GrPaint grPaint; |
| 675 | SkAutoCachedTexture act; |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 676 | if (!this->skPaint2GrPaintShader(paint, |
| 677 | &act, |
| 678 | *draw.fMatrix, |
| 679 | &grPaint, |
| 680 | true)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 681 | return; |
| 682 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 683 | |
| 684 | fContext->drawPaint(grPaint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 685 | } |
| 686 | |
| 687 | // must be in SkCanvas::PointMode order |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 688 | static const GrPrimitiveType gPointMode2PrimtiveType[] = { |
| 689 | kPoints_PrimitiveType, |
| 690 | kLines_PrimitiveType, |
| 691 | kLineStrip_PrimitiveType |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 692 | }; |
| 693 | |
| 694 | void SkGpuDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode, |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 695 | size_t count, const SkPoint pts[], const SkPaint& paint) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 696 | CHECK_SHOULD_DRAW(draw); |
| 697 | |
| 698 | SkScalar width = paint.getStrokeWidth(); |
| 699 | if (width < 0) { |
| 700 | return; |
| 701 | } |
| 702 | |
| 703 | // we only handle hairlines here, else we let the SkDraw call our drawPath() |
| 704 | if (width > 0) { |
| 705 | draw.drawPoints(mode, count, pts, paint, true); |
| 706 | return; |
| 707 | } |
| 708 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 709 | GrPaint grPaint; |
| 710 | SkAutoCachedTexture act; |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 711 | if (!this->skPaint2GrPaintShader(paint, |
| 712 | &act, |
| 713 | *draw.fMatrix, |
| 714 | &grPaint, |
| 715 | true)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 716 | return; |
| 717 | } |
| 718 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 719 | #if SK_SCALAR_IS_GR_SCALAR |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 720 | fContext->drawVertices(grPaint, |
| 721 | gPointMode2PrimtiveType[mode], |
| 722 | count, |
| 723 | (GrPoint*)pts, |
| 724 | NULL, |
| 725 | NULL, |
| 726 | NULL, |
| 727 | 0); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 728 | #else |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 729 | fContext->drawCustomVertices(grPaint, |
| 730 | gPointMode2PrimtiveType[mode], |
| 731 | SkPositionSource(pts, count)); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 732 | #endif |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 733 | } |
| 734 | |
reed@google.com | c9aa587 | 2011-04-05 21:05:37 +0000 | [diff] [blame] | 735 | /////////////////////////////////////////////////////////////////////////////// |
| 736 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 737 | void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect, |
| 738 | const SkPaint& paint) { |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 739 | CHECK_SHOULD_DRAW(draw); |
| 740 | |
| 741 | bool doStroke = paint.getStyle() == SkPaint::kStroke_Style; |
| 742 | SkScalar width = paint.getStrokeWidth(); |
| 743 | |
| 744 | /* |
| 745 | We have special code for hairline strokes, miter-strokes, and fills. |
| 746 | Anything else we just call our path code. |
| 747 | */ |
| 748 | bool usePath = doStroke && width > 0 && |
| 749 | paint.getStrokeJoin() != SkPaint::kMiter_Join; |
| 750 | // another reason we might need to call drawPath... |
| 751 | if (paint.getMaskFilter()) { |
| 752 | usePath = true; |
| 753 | } |
reed@google.com | 67db664 | 2011-05-26 11:46:35 +0000 | [diff] [blame] | 754 | // until we aa rotated rects... |
| 755 | if (!usePath && paint.isAntiAlias() && !draw.fMatrix->rectStaysRect()) { |
| 756 | usePath = true; |
| 757 | } |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 758 | |
| 759 | if (usePath) { |
| 760 | SkPath path; |
| 761 | path.addRect(rect); |
| 762 | this->drawPath(draw, path, paint, NULL, true); |
| 763 | return; |
| 764 | } |
| 765 | |
| 766 | GrPaint grPaint; |
| 767 | SkAutoCachedTexture act; |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 768 | if (!this->skPaint2GrPaintShader(paint, |
| 769 | &act, |
| 770 | *draw.fMatrix, |
| 771 | &grPaint, |
| 772 | true)) { |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 773 | return; |
| 774 | } |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 775 | fContext->drawRect(grPaint, rect, doStroke ? width : -1); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 776 | } |
| 777 | |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 778 | #include "SkMaskFilter.h" |
| 779 | #include "SkBounder.h" |
| 780 | |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 781 | static bool drawWithMaskFilter(GrContext* context, const SkPath& path, |
| 782 | SkMaskFilter* filter, const SkMatrix& matrix, |
| 783 | const SkRegion& clip, SkBounder* bounder, |
| 784 | GrPaint* grp) { |
| 785 | SkMask srcM, dstM; |
| 786 | |
| 787 | if (!SkDraw::DrawToMask(path, &clip.getBounds(), filter, &matrix, &srcM, |
| 788 | SkMask::kComputeBoundsAndRenderImage_CreateMode)) { |
| 789 | return false; |
| 790 | } |
| 791 | |
| 792 | SkAutoMaskImage autoSrc(&srcM, false); |
| 793 | |
| 794 | if (!filter->filterMask(&dstM, srcM, matrix, NULL)) { |
| 795 | return false; |
| 796 | } |
| 797 | // this will free-up dstM when we're done (allocated in filterMask()) |
| 798 | SkAutoMaskImage autoDst(&dstM, false); |
| 799 | |
| 800 | if (clip.quickReject(dstM.fBounds)) { |
| 801 | return false; |
| 802 | } |
| 803 | if (bounder && !bounder->doIRect(dstM.fBounds)) { |
| 804 | return false; |
| 805 | } |
| 806 | |
| 807 | // we now have a device-aligned 8bit mask in dstM, ready to be drawn using |
| 808 | // the current clip (and identity matrix) and grpaint settings |
| 809 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 810 | // used to compute inverse view, if necessary |
| 811 | GrMatrix ivm = context->getMatrix(); |
| 812 | |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 813 | GrAutoMatrix avm(context, GrMatrix::I()); |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 814 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 815 | const GrTextureDesc desc = { |
| 816 | kNone_GrTextureFlags, |
| 817 | kNone_GrAALevel, |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 818 | dstM.fBounds.width(), |
| 819 | dstM.fBounds.height(), |
bsalomon@google.com | 669fdc4 | 2011-04-05 17:08:27 +0000 | [diff] [blame] | 820 | kAlpha_8_GrPixelConfig |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 821 | }; |
| 822 | |
| 823 | GrTexture* texture = context->createUncachedTexture(desc, dstM.fImage, |
| 824 | dstM.fRowBytes); |
| 825 | if (NULL == texture) { |
| 826 | return false; |
| 827 | } |
| 828 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 829 | if (grp->hasTextureOrMask() && ivm.invert(&ivm)) { |
| 830 | grp->preConcatActiveSamplerMatrices(ivm); |
| 831 | } |
| 832 | |
| 833 | static const int MASK_IDX = GrPaint::kMaxMasks - 1; |
| 834 | // we assume the last mask index is available for use |
| 835 | GrAssert(NULL == grp->getMask(MASK_IDX)); |
| 836 | grp->setMask(MASK_IDX, texture); |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 837 | texture->unref(); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 838 | grp->getMaskSampler(MASK_IDX)->setClampNoFilter(); |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 839 | |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 840 | GrRect d; |
| 841 | d.setLTRB(GrIntToScalar(dstM.fBounds.fLeft), |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 842 | GrIntToScalar(dstM.fBounds.fTop), |
| 843 | GrIntToScalar(dstM.fBounds.fRight), |
| 844 | GrIntToScalar(dstM.fBounds.fBottom)); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 845 | |
| 846 | GrMatrix m; |
| 847 | m.setTranslate(-dstM.fBounds.fLeft, -dstM.fBounds.fTop); |
| 848 | m.postIDiv(dstM.fBounds.width(), dstM.fBounds.height()); |
| 849 | grp->getMaskSampler(MASK_IDX)->setMatrix(m); |
| 850 | |
| 851 | context->drawRect(*grp, d); |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 852 | return true; |
| 853 | } |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 854 | |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 855 | void SkGpuDevice::drawPath(const SkDraw& draw, const SkPath& origSrcPath, |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 856 | const SkPaint& paint, const SkMatrix* prePathMatrix, |
| 857 | bool pathIsMutable) { |
| 858 | CHECK_SHOULD_DRAW(draw); |
| 859 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 860 | GrPaint grPaint; |
| 861 | SkAutoCachedTexture act; |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 862 | if (!this->skPaint2GrPaintShader(paint, |
| 863 | &act, |
| 864 | *draw.fMatrix, |
| 865 | &grPaint, |
| 866 | true)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 867 | return; |
| 868 | } |
| 869 | |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 870 | // BEGIN lift from SkDraw::drawPath() |
| 871 | |
| 872 | SkPath* pathPtr = const_cast<SkPath*>(&origSrcPath); |
| 873 | bool doFill = true; |
| 874 | SkPath tmpPath; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 875 | |
| 876 | if (prePathMatrix) { |
reed@google.com | e344564 | 2011-02-16 23:20:39 +0000 | [diff] [blame] | 877 | SkPath* result = pathPtr; |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 878 | |
reed@google.com | e344564 | 2011-02-16 23:20:39 +0000 | [diff] [blame] | 879 | if (!pathIsMutable) { |
| 880 | result = &tmpPath; |
| 881 | pathIsMutable = true; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 882 | } |
reed@google.com | e344564 | 2011-02-16 23:20:39 +0000 | [diff] [blame] | 883 | // should I push prePathMatrix on our MV stack temporarily, instead |
| 884 | // of applying it here? See SkDraw.cpp |
| 885 | pathPtr->transform(*prePathMatrix, result); |
| 886 | pathPtr = result; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 887 | } |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 888 | // at this point we're done with prePathMatrix |
| 889 | SkDEBUGCODE(prePathMatrix = (const SkMatrix*)0x50FF8001;) |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 890 | |
bsalomon@google.com | 04de782 | 2011-03-25 18:04:43 +0000 | [diff] [blame] | 891 | // This "if" is not part of the SkDraw::drawPath() lift. |
| 892 | // When we get a 1.0 wide stroke we hairline stroke it instead of creating |
| 893 | // a new stroked-path. This is motivated by canvas2D sites that draw |
| 894 | // lines as 1.0 wide stroked paths. We can consider doing an alpha-modulated- |
| 895 | // hairline for width < 1.0 when AA is enabled. |
| 896 | static const int gMatrixMask = ~(SkMatrix::kIdentity_Mask | |
| 897 | SkMatrix::kTranslate_Mask); |
| 898 | if (!paint.getPathEffect() && |
| 899 | SkPaint::kStroke_Style == paint.getStyle() && |
| 900 | !(draw.fMatrix->getType() & gMatrixMask) && |
| 901 | SK_Scalar1 == paint.getStrokeWidth()) { |
| 902 | doFill = false; |
| 903 | } |
| 904 | |
| 905 | if (doFill && (paint.getPathEffect() || |
| 906 | paint.getStyle() != SkPaint::kFill_Style)) { |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 907 | doFill = paint.getFillPath(*pathPtr, &tmpPath); |
| 908 | pathPtr = &tmpPath; |
| 909 | } |
| 910 | |
| 911 | // END lift from SkDraw::drawPath() |
| 912 | |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 913 | if (paint.getMaskFilter()) { |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 914 | // avoid possibly allocating a new path in transform if we can |
| 915 | SkPath* devPathPtr = pathIsMutable ? pathPtr : &tmpPath; |
| 916 | |
| 917 | // transform the path into device space |
reed@google.com | e344564 | 2011-02-16 23:20:39 +0000 | [diff] [blame] | 918 | pathPtr->transform(*draw.fMatrix, devPathPtr); |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 919 | |
| 920 | drawWithMaskFilter(fContext, *devPathPtr, paint.getMaskFilter(), |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 921 | *draw.fMatrix, *draw.fClip, draw.fBounder, &grPaint); |
| 922 | return; |
| 923 | } |
reed@google.com | 6930285 | 2011-02-16 18:08:07 +0000 | [diff] [blame] | 924 | |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 925 | GrPathFill fill = kHairLine_PathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 926 | |
reed@google.com | 0c219b6 | 2011-02-16 21:31:18 +0000 | [diff] [blame] | 927 | if (doFill) { |
| 928 | switch (pathPtr->getFillType()) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 929 | case SkPath::kWinding_FillType: |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 930 | fill = kWinding_PathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 931 | break; |
| 932 | case SkPath::kEvenOdd_FillType: |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 933 | fill = kEvenOdd_PathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 934 | break; |
| 935 | case SkPath::kInverseWinding_FillType: |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 936 | fill = kInverseWinding_PathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 937 | break; |
| 938 | case SkPath::kInverseEvenOdd_FillType: |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 939 | fill = kInverseEvenOdd_PathFill; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 940 | break; |
| 941 | default: |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 942 | SkDebugf("Unsupported path fill type\n"); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 943 | return; |
| 944 | } |
| 945 | } |
| 946 | |
reed@google.com | 07f3ee1 | 2011-05-16 17:21:57 +0000 | [diff] [blame] | 947 | fContext->drawPath(grPaint, *pathPtr, fill); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 948 | } |
| 949 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 950 | void SkGpuDevice::drawBitmap(const SkDraw& draw, |
| 951 | const SkBitmap& bitmap, |
| 952 | const SkIRect* srcRectPtr, |
| 953 | const SkMatrix& m, |
| 954 | const SkPaint& paint) { |
| 955 | CHECK_SHOULD_DRAW(draw); |
| 956 | |
| 957 | SkIRect srcRect; |
| 958 | if (NULL == srcRectPtr) { |
| 959 | srcRect.set(0, 0, bitmap.width(), bitmap.height()); |
| 960 | } else { |
| 961 | srcRect = *srcRectPtr; |
| 962 | } |
| 963 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 964 | GrPaint grPaint; |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 965 | if (!this->skPaint2GrPaintNoShader(paint, true, &grPaint, false)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 966 | return; |
| 967 | } |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 968 | GrSamplerState* sampler = grPaint.getTextureSampler(kBitmapTextureIdx); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 969 | if (paint.isFilterBitmap()) { |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 970 | sampler->setFilter(GrSamplerState::kBilinear_Filter); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 971 | } else { |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 972 | sampler->setFilter(GrSamplerState::kNearest_Filter); |
bsalomon@google.com | 6aef1fb | 2011-05-05 12:33:22 +0000 | [diff] [blame] | 973 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 974 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 975 | const int maxTextureSize = fContext->getMaxTextureSize(); |
| 976 | if (bitmap.getTexture() || (bitmap.width() <= maxTextureSize && |
| 977 | bitmap.height() <= maxTextureSize)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 978 | // take the fast case |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 979 | this->internalDrawBitmap(draw, bitmap, srcRect, m, &grPaint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 980 | return; |
| 981 | } |
| 982 | |
| 983 | // undo the translate done by SkCanvas |
| 984 | int DX = SkMax32(0, srcRect.fLeft); |
| 985 | int DY = SkMax32(0, srcRect.fTop); |
| 986 | // compute clip bounds in local coordinates |
| 987 | SkIRect clipRect; |
| 988 | { |
| 989 | SkRect r; |
| 990 | r.set(draw.fClip->getBounds()); |
| 991 | SkMatrix matrix, inverse; |
| 992 | matrix.setConcat(*draw.fMatrix, m); |
| 993 | if (!matrix.invert(&inverse)) { |
| 994 | return; |
| 995 | } |
| 996 | inverse.mapRect(&r); |
| 997 | r.roundOut(&clipRect); |
| 998 | // apply the canvas' translate to our local clip |
| 999 | clipRect.offset(DX, DY); |
| 1000 | } |
| 1001 | |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 1002 | int nx = bitmap.width() / maxTextureSize; |
| 1003 | int ny = bitmap.height() / maxTextureSize; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1004 | for (int x = 0; x <= nx; x++) { |
| 1005 | for (int y = 0; y <= ny; y++) { |
| 1006 | SkIRect tileR; |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 1007 | tileR.set(x * maxTextureSize, y * maxTextureSize, |
| 1008 | (x + 1) * maxTextureSize, (y + 1) * maxTextureSize); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1009 | if (!SkIRect::Intersects(tileR, clipRect)) { |
| 1010 | continue; |
| 1011 | } |
| 1012 | |
| 1013 | SkIRect srcR = tileR; |
| 1014 | if (!srcR.intersect(srcRect)) { |
| 1015 | continue; |
| 1016 | } |
| 1017 | |
| 1018 | SkBitmap tmpB; |
| 1019 | if (bitmap.extractSubset(&tmpB, tileR)) { |
| 1020 | // now offset it to make it "local" to our tmp bitmap |
| 1021 | srcR.offset(-tileR.fLeft, -tileR.fTop); |
| 1022 | |
| 1023 | SkMatrix tmpM(m); |
| 1024 | { |
| 1025 | int dx = tileR.fLeft - DX + SkMax32(0, srcR.fLeft); |
| 1026 | int dy = tileR.fTop - DY + SkMax32(0, srcR.fTop); |
| 1027 | tmpM.preTranslate(SkIntToScalar(dx), SkIntToScalar(dy)); |
| 1028 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1029 | this->internalDrawBitmap(draw, tmpB, srcR, tmpM, &grPaint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1030 | } |
| 1031 | } |
| 1032 | } |
| 1033 | } |
| 1034 | |
| 1035 | /* |
| 1036 | * This is called by drawBitmap(), which has to handle images that may be too |
| 1037 | * large to be represented by a single texture. |
| 1038 | * |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1039 | * internalDrawBitmap assumes that the specified bitmap will fit in a texture |
| 1040 | * and that non-texture portion of the GrPaint has already been setup. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1041 | */ |
| 1042 | void SkGpuDevice::internalDrawBitmap(const SkDraw& draw, |
| 1043 | const SkBitmap& bitmap, |
| 1044 | const SkIRect& srcRect, |
| 1045 | const SkMatrix& m, |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1046 | GrPaint* grPaint) { |
bsalomon@google.com | 9195836 | 2011-06-13 17:58:13 +0000 | [diff] [blame] | 1047 | SkASSERT(bitmap.width() <= fContext->getMaxTextureSize() && |
| 1048 | bitmap.height() <= fContext->getMaxTextureSize()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1049 | |
| 1050 | SkAutoLockPixels alp(bitmap); |
| 1051 | if (!bitmap.getTexture() && !bitmap.readyToDraw()) { |
| 1052 | return; |
| 1053 | } |
| 1054 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1055 | GrSamplerState* sampler = grPaint->getTextureSampler(kBitmapTextureIdx); |
| 1056 | |
| 1057 | sampler->setWrapX(GrSamplerState::kClamp_WrapMode); |
| 1058 | sampler->setWrapY(GrSamplerState::kClamp_WrapMode); |
| 1059 | sampler->setSampleMode(GrSamplerState::kNormal_SampleMode); |
| 1060 | sampler->setMatrix(GrMatrix::I()); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1061 | |
| 1062 | GrTexture* texture; |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1063 | SkAutoCachedTexture act(this, bitmap, *sampler, &texture); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1064 | if (NULL == texture) { |
| 1065 | return; |
| 1066 | } |
| 1067 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1068 | grPaint->setTexture(kShaderTextureIdx, texture); |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 1069 | |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 1070 | GrRect dstRect = SkRect::MakeWH(GrIntToScalar(srcRect.width()), |
| 1071 | GrIntToScalar(srcRect.height())); |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 1072 | GrRect paintRect; |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1073 | paintRect.setLTRB(GrFixedToScalar((srcRect.fLeft << 16) / bitmap.width()), |
| 1074 | GrFixedToScalar((srcRect.fTop << 16) / bitmap.height()), |
| 1075 | GrFixedToScalar((srcRect.fRight << 16) / bitmap.width()), |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 1076 | GrFixedToScalar((srcRect.fBottom << 16) / bitmap.height())); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1077 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1078 | if (GrSamplerState::kNearest_Filter != sampler->getFilter() && |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1079 | (srcRect.width() < bitmap.width() || |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1080 | srcRect.height() < bitmap.height())) { |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1081 | // If drawing a subrect of the bitmap and filtering is enabled, |
| 1082 | // use a constrained texture domain to avoid color bleeding |
| 1083 | GrScalar left, top, right, bottom; |
| 1084 | if (srcRect.width() > 1) { |
| 1085 | GrScalar border = GR_ScalarHalf / bitmap.width(); |
| 1086 | left = paintRect.left() + border; |
| 1087 | right = paintRect.right() - border; |
| 1088 | } else { |
| 1089 | left = right = GrScalarHalf(paintRect.left() + paintRect.right()); |
| 1090 | } |
| 1091 | if (srcRect.height() > 1) { |
| 1092 | GrScalar border = GR_ScalarHalf / bitmap.height(); |
| 1093 | top = paintRect.top() + border; |
| 1094 | bottom = paintRect.bottom() - border; |
| 1095 | } else { |
| 1096 | top = bottom = GrScalarHalf(paintRect.top() + paintRect.bottom()); |
| 1097 | } |
| 1098 | GrRect textureDomain; |
| 1099 | textureDomain.setLTRB(left, top, right, bottom); |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1100 | sampler->setTextureDomain(textureDomain); |
junov@google.com | 6acc9b3 | 2011-05-16 18:32:07 +0000 | [diff] [blame] | 1101 | } |
| 1102 | |
bsalomon@google.com | cc4dac3 | 2011-05-10 13:52:42 +0000 | [diff] [blame] | 1103 | fContext->drawRectToRect(*grPaint, dstRect, paintRect, &m); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1104 | } |
| 1105 | |
| 1106 | void SkGpuDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap, |
| 1107 | int left, int top, const SkPaint& paint) { |
| 1108 | CHECK_SHOULD_DRAW(draw); |
| 1109 | |
| 1110 | SkAutoLockPixels alp(bitmap); |
| 1111 | if (!bitmap.getTexture() && !bitmap.readyToDraw()) { |
| 1112 | return; |
| 1113 | } |
| 1114 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1115 | GrPaint grPaint; |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 1116 | if(!this->skPaint2GrPaintNoShader(paint, true, &grPaint, false)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1117 | return; |
| 1118 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1119 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1120 | GrAutoMatrix avm(fContext, GrMatrix::I()); |
| 1121 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1122 | GrSamplerState* sampler = grPaint.getTextureSampler(kBitmapTextureIdx); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1123 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1124 | GrTexture* texture; |
| 1125 | sampler->setClampNoFilter(); |
| 1126 | SkAutoCachedTexture act(this, bitmap, *sampler, &texture); |
| 1127 | |
| 1128 | grPaint.setTexture(kBitmapTextureIdx, texture); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1129 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1130 | fContext->drawRectToRect(grPaint, |
reed@google.com | 20efde7 | 2011-05-09 17:00:02 +0000 | [diff] [blame] | 1131 | GrRect::MakeXYWH(GrIntToScalar(left), |
| 1132 | GrIntToScalar(top), |
| 1133 | GrIntToScalar(bitmap.width()), |
| 1134 | GrIntToScalar(bitmap.height())), |
| 1135 | GrRect::MakeWH(GR_Scalar1, GR_Scalar1)); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1136 | } |
| 1137 | |
| 1138 | void SkGpuDevice::drawDevice(const SkDraw& draw, SkDevice* dev, |
| 1139 | int x, int y, const SkPaint& paint) { |
| 1140 | CHECK_SHOULD_DRAW(draw); |
| 1141 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1142 | GrPaint grPaint; |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 1143 | if (!((SkGpuDevice*)dev)->bindDeviceAsTexture(&grPaint) || |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 1144 | !this->skPaint2GrPaintNoShader(paint, true, &grPaint, false)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1145 | return; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1146 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1147 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 1148 | GrTexture* devTex = grPaint.getTexture(0); |
| 1149 | SkASSERT(NULL != devTex); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1150 | |
| 1151 | const SkBitmap& bm = dev->accessBitmap(false); |
| 1152 | int w = bm.width(); |
| 1153 | int h = bm.height(); |
| 1154 | |
| 1155 | GrAutoMatrix avm(fContext, GrMatrix::I()); |
| 1156 | |
bsalomon@google.com | 26c2d0a | 2011-05-17 20:15:30 +0000 | [diff] [blame] | 1157 | grPaint.getTextureSampler(kBitmapTextureIdx)->setClampNoFilter(); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1158 | |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 1159 | GrRect dstRect = GrRect::MakeXYWH(GrIntToScalar(x), |
| 1160 | GrIntToScalar(y), |
| 1161 | GrIntToScalar(w), |
| 1162 | GrIntToScalar(h)); |
| 1163 | // The device being drawn may not fill up its texture (saveLayer uses |
| 1164 | // the approximate ). |
| 1165 | GrRect srcRect = GrRect::MakeWH(GR_Scalar1 * w / devTex->width(), |
| 1166 | GR_Scalar1 * h / devTex->height()); |
| 1167 | |
| 1168 | fContext->drawRectToRect(grPaint, dstRect, srcRect); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1169 | } |
| 1170 | |
| 1171 | /////////////////////////////////////////////////////////////////////////////// |
| 1172 | |
| 1173 | // must be in SkCanvas::VertexMode order |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 1174 | static const GrPrimitiveType gVertexMode2PrimitiveType[] = { |
| 1175 | kTriangles_PrimitiveType, |
| 1176 | kTriangleStrip_PrimitiveType, |
| 1177 | kTriangleFan_PrimitiveType, |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1178 | }; |
| 1179 | |
| 1180 | void SkGpuDevice::drawVertices(const SkDraw& draw, SkCanvas::VertexMode vmode, |
| 1181 | int vertexCount, const SkPoint vertices[], |
| 1182 | const SkPoint texs[], const SkColor colors[], |
| 1183 | SkXfermode* xmode, |
| 1184 | const uint16_t indices[], int indexCount, |
| 1185 | const SkPaint& paint) { |
| 1186 | CHECK_SHOULD_DRAW(draw); |
| 1187 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1188 | GrPaint grPaint; |
| 1189 | SkAutoCachedTexture act; |
| 1190 | // we ignore the shader if texs is null. |
| 1191 | if (NULL == texs) { |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 1192 | if (!this->skPaint2GrPaintNoShader(paint, |
| 1193 | false, |
| 1194 | &grPaint, |
| 1195 | NULL == colors)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1196 | return; |
| 1197 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1198 | } else { |
reed@google.com | 1a2e8d2 | 2011-01-21 22:08:29 +0000 | [diff] [blame] | 1199 | if (!this->skPaint2GrPaintShader(paint, &act, |
| 1200 | *draw.fMatrix, |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 1201 | &grPaint, |
| 1202 | NULL == colors)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1203 | return; |
| 1204 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1205 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1206 | |
| 1207 | if (NULL != xmode && NULL != texs && NULL != colors) { |
| 1208 | SkXfermode::Mode mode; |
| 1209 | if (!SkXfermode::IsMode(xmode, &mode) || |
| 1210 | SkXfermode::kMultiply_Mode != mode) { |
| 1211 | SkDebugf("Unsupported vertex-color/texture xfer mode.\n"); |
| 1212 | #if 0 |
| 1213 | return |
| 1214 | #endif |
| 1215 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1216 | } |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1217 | |
| 1218 | #if SK_SCALAR_IS_GR_SCALAR |
| 1219 | // even if GrColor and SkColor byte offsets match we need |
| 1220 | // to perform pre-multiply. |
| 1221 | if (NULL == colors) { |
| 1222 | fContext->drawVertices(grPaint, |
| 1223 | gVertexMode2PrimitiveType[vmode], |
| 1224 | vertexCount, |
| 1225 | (GrPoint*) vertices, |
| 1226 | (GrPoint*) texs, |
| 1227 | NULL, |
| 1228 | indices, |
| 1229 | indexCount); |
| 1230 | } else |
| 1231 | #endif |
| 1232 | { |
| 1233 | SkTexCoordSource texSrc(texs); |
| 1234 | SkColorSource colSrc(colors); |
| 1235 | SkIndexSource idxSrc(indices, indexCount); |
| 1236 | |
| 1237 | fContext->drawCustomVertices(grPaint, |
| 1238 | gVertexMode2PrimitiveType[vmode], |
| 1239 | SkPositionSource(vertices, vertexCount), |
| 1240 | (NULL == texs) ? NULL : &texSrc, |
| 1241 | (NULL == colors) ? NULL : &colSrc, |
| 1242 | (NULL == indices) ? NULL : &idxSrc); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1243 | } |
| 1244 | } |
| 1245 | |
| 1246 | /////////////////////////////////////////////////////////////////////////////// |
| 1247 | |
| 1248 | static void GlyphCacheAuxProc(void* data) { |
| 1249 | delete (GrFontScaler*)data; |
| 1250 | } |
| 1251 | |
| 1252 | static GrFontScaler* get_gr_font_scaler(SkGlyphCache* cache) { |
| 1253 | void* auxData; |
| 1254 | GrFontScaler* scaler = NULL; |
| 1255 | if (cache->getAuxProcData(GlyphCacheAuxProc, &auxData)) { |
| 1256 | scaler = (GrFontScaler*)auxData; |
| 1257 | } |
| 1258 | if (NULL == scaler) { |
| 1259 | scaler = new SkGrFontScaler(cache); |
| 1260 | cache->setAuxProc(GlyphCacheAuxProc, scaler); |
| 1261 | } |
| 1262 | return scaler; |
| 1263 | } |
| 1264 | |
| 1265 | static void SkGPU_Draw1Glyph(const SkDraw1Glyph& state, |
| 1266 | SkFixed fx, SkFixed fy, |
| 1267 | const SkGlyph& glyph) { |
| 1268 | SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); |
| 1269 | |
| 1270 | GrSkDrawProcs* procs = (GrSkDrawProcs*)state.fDraw->fProcs; |
| 1271 | |
| 1272 | if (NULL == procs->fFontScaler) { |
| 1273 | procs->fFontScaler = get_gr_font_scaler(state.fCache); |
| 1274 | } |
reed@google.com | 39ce0ac | 2011-04-08 15:42:19 +0000 | [diff] [blame] | 1275 | |
| 1276 | /* |
reed@google.com | 3b139f5 | 2011-06-07 17:56:25 +0000 | [diff] [blame] | 1277 | * What should we do with fy? (assuming horizontal/latin text) |
reed@google.com | 39ce0ac | 2011-04-08 15:42:19 +0000 | [diff] [blame] | 1278 | * |
reed@google.com | 3b139f5 | 2011-06-07 17:56:25 +0000 | [diff] [blame] | 1279 | * The raster code calls SkFixedFloorToFixed on it, as it does with fx. |
| 1280 | * It calls that rather than round, because our caller has already added |
| 1281 | * SK_FixedHalf, so that calling floor gives us the rounded integer. |
| 1282 | * |
| 1283 | * Test code between raster and gpu (they should draw the same) |
| 1284 | * |
| 1285 | * canvas->drawText("Hamburgefons", 12, 0, 16.5f, paint); |
| 1286 | * |
| 1287 | * Perhaps we should only perform this integralization if there is no |
| 1288 | * fExtMatrix... |
reed@google.com | 39ce0ac | 2011-04-08 15:42:19 +0000 | [diff] [blame] | 1289 | */ |
reed@google.com | 3b139f5 | 2011-06-07 17:56:25 +0000 | [diff] [blame] | 1290 | fy = SkFixedFloorToFixed(fy); |
| 1291 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1292 | procs->fTextContext->drawPackedGlyph(GrGlyph::Pack(glyph.getGlyphID(), fx, 0), |
reed@google.com | 3b139f5 | 2011-06-07 17:56:25 +0000 | [diff] [blame] | 1293 | SkFixedFloorToFixed(fx), fy, |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1294 | procs->fFontScaler); |
| 1295 | } |
| 1296 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1297 | SkDrawProcs* SkGpuDevice::initDrawForText(GrTextContext* context) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1298 | |
| 1299 | // deferred allocation |
| 1300 | if (NULL == fDrawProcs) { |
| 1301 | fDrawProcs = new GrSkDrawProcs; |
| 1302 | fDrawProcs->fD1GProc = SkGPU_Draw1Glyph; |
| 1303 | fDrawProcs->fContext = fContext; |
| 1304 | } |
| 1305 | |
| 1306 | // init our (and GL's) state |
| 1307 | fDrawProcs->fTextContext = context; |
| 1308 | fDrawProcs->fFontScaler = NULL; |
| 1309 | return fDrawProcs; |
| 1310 | } |
| 1311 | |
| 1312 | void SkGpuDevice::drawText(const SkDraw& draw, const void* text, |
| 1313 | size_t byteLength, SkScalar x, SkScalar y, |
| 1314 | const SkPaint& paint) { |
| 1315 | CHECK_SHOULD_DRAW(draw); |
| 1316 | |
| 1317 | if (draw.fMatrix->getType() & SkMatrix::kPerspective_Mask) { |
| 1318 | // this guy will just call our drawPath() |
| 1319 | draw.drawText((const char*)text, byteLength, x, y, paint); |
| 1320 | } else { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1321 | SkDraw myDraw(draw); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1322 | |
| 1323 | GrPaint grPaint; |
| 1324 | SkAutoCachedTexture act; |
| 1325 | |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 1326 | if (!this->skPaint2GrPaintShader(paint, |
| 1327 | &act, |
| 1328 | *draw.fMatrix, |
| 1329 | &grPaint, |
| 1330 | true)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1331 | return; |
| 1332 | } |
bsalomon@google.com | cc4dac3 | 2011-05-10 13:52:42 +0000 | [diff] [blame] | 1333 | GrTextContext context(fContext, grPaint, draw.fExtMatrix); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1334 | myDraw.fProcs = this->initDrawForText(&context); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1335 | this->INHERITED::drawText(myDraw, text, byteLength, x, y, paint); |
| 1336 | } |
| 1337 | } |
| 1338 | |
| 1339 | void SkGpuDevice::drawPosText(const SkDraw& draw, const void* text, |
| 1340 | size_t byteLength, const SkScalar pos[], |
| 1341 | SkScalar constY, int scalarsPerPos, |
| 1342 | const SkPaint& paint) { |
| 1343 | CHECK_SHOULD_DRAW(draw); |
| 1344 | |
| 1345 | if (draw.fMatrix->getType() & SkMatrix::kPerspective_Mask) { |
| 1346 | // this guy will just call our drawPath() |
| 1347 | draw.drawPosText((const char*)text, byteLength, pos, constY, |
| 1348 | scalarsPerPos, paint); |
| 1349 | } else { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1350 | SkDraw myDraw(draw); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1351 | |
| 1352 | GrPaint grPaint; |
| 1353 | SkAutoCachedTexture act; |
Scroggo | d757df2 | 2011-05-16 13:11:16 +0000 | [diff] [blame] | 1354 | if (!this->skPaint2GrPaintShader(paint, |
| 1355 | &act, |
| 1356 | *draw.fMatrix, |
| 1357 | &grPaint, |
| 1358 | true)) { |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1359 | return; |
| 1360 | } |
| 1361 | |
bsalomon@google.com | cc4dac3 | 2011-05-10 13:52:42 +0000 | [diff] [blame] | 1362 | GrTextContext context(fContext, grPaint, draw.fExtMatrix); |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 1363 | myDraw.fProcs = this->initDrawForText(&context); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1364 | this->INHERITED::drawPosText(myDraw, text, byteLength, pos, constY, |
| 1365 | scalarsPerPos, paint); |
| 1366 | } |
| 1367 | } |
| 1368 | |
| 1369 | void SkGpuDevice::drawTextOnPath(const SkDraw& draw, const void* text, |
| 1370 | size_t len, const SkPath& path, |
| 1371 | const SkMatrix* m, const SkPaint& paint) { |
| 1372 | CHECK_SHOULD_DRAW(draw); |
| 1373 | |
| 1374 | SkASSERT(draw.fDevice == this); |
| 1375 | draw.drawTextOnPath((const char*)text, len, path, m, paint); |
| 1376 | } |
| 1377 | |
| 1378 | /////////////////////////////////////////////////////////////////////////////// |
| 1379 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 1380 | bool SkGpuDevice::filterTextFlags(const SkPaint& paint, TextFlags* flags) { |
| 1381 | if (!paint.isLCDRenderText()) { |
| 1382 | // we're cool with the paint as is |
| 1383 | return false; |
| 1384 | } |
| 1385 | |
| 1386 | if (paint.getShader() || |
| 1387 | paint.getXfermode() || // unless its srcover |
| 1388 | paint.getMaskFilter() || |
| 1389 | paint.getRasterizer() || |
| 1390 | paint.getColorFilter() || |
| 1391 | paint.getPathEffect() || |
| 1392 | paint.isFakeBoldText() || |
| 1393 | paint.getStyle() != SkPaint::kFill_Style) { |
| 1394 | // turn off lcd |
| 1395 | flags->fFlags = paint.getFlags() & ~SkPaint::kLCDRenderText_Flag; |
| 1396 | flags->fHinting = paint.getHinting(); |
| 1397 | return true; |
| 1398 | } |
| 1399 | // we're cool with the paint as is |
| 1400 | return false; |
| 1401 | } |
| 1402 | |
| 1403 | /////////////////////////////////////////////////////////////////////////////// |
| 1404 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1405 | SkGpuDevice::TexCache* SkGpuDevice::lockCachedTexture(const SkBitmap& bitmap, |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 1406 | const GrSamplerState& sampler, |
| 1407 | GrTexture** texture, |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1408 | TexType type) { |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 1409 | GrTexture* newTexture = NULL; |
| 1410 | GrTextureEntry* entry = NULL; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1411 | GrContext* ctx = this->context(); |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 1412 | |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1413 | if (kBitmap_TexType != type) { |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 1414 | const GrTextureDesc desc = { |
| 1415 | kRenderTarget_GrTextureFlagBit, |
| 1416 | kNone_GrAALevel, |
| 1417 | bitmap.width(), |
| 1418 | bitmap.height(), |
| 1419 | SkGr::Bitmap2PixelConfig(bitmap) |
| 1420 | }; |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1421 | if (kSaveLayerDeviceRenderTarget_TexType == type) { |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 1422 | // we know layers will only be drawn through drawDevice. |
| 1423 | // drawDevice has been made to work with content embedded in a |
| 1424 | // larger texture so its okay to use the approximate version. |
| 1425 | entry = ctx->findApproximateKeylessTexture(desc); |
| 1426 | } else { |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1427 | SkASSERT(kDeviceRenderTarget_TexType == type); |
bsalomon@google.com | b5b3168 | 2011-06-16 18:05:35 +0000 | [diff] [blame] | 1428 | entry = ctx->lockKeylessTexture(desc); |
| 1429 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1430 | } else { |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 1431 | uint32_t p0, p1; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1432 | p0 = bitmap.getGenerationID(); |
| 1433 | p1 = bitmap.pixelRefOffset(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1434 | |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 1435 | GrTextureKey key(p0, p1, bitmap.width(), bitmap.height()); |
| 1436 | entry = ctx->findAndLockTexture(&key, sampler); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1437 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1438 | if (NULL == entry) { |
bsalomon@google.com | fea37b5 | 2011-04-25 15:51:06 +0000 | [diff] [blame] | 1439 | entry = sk_gr_create_bitmap_texture(ctx, &key, sampler, bitmap); |
| 1440 | if (NULL == entry) { |
| 1441 | GrPrintf("---- failed to create texture for cache [%d %d]\n", |
| 1442 | bitmap.width(), bitmap.height()); |
| 1443 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1444 | } |
| 1445 | } |
| 1446 | |
| 1447 | if (NULL != entry) { |
| 1448 | newTexture = entry->texture(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1449 | if (texture) { |
| 1450 | *texture = newTexture; |
| 1451 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1452 | } |
| 1453 | return (TexCache*)entry; |
| 1454 | } |
| 1455 | |
| 1456 | void SkGpuDevice::unlockCachedTexture(TexCache* cache) { |
| 1457 | this->context()->unlockTexture((GrTextureEntry*)cache); |
| 1458 | } |
| 1459 | |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1460 | SkDevice* SkGpuDevice::onCreateCompatibleDevice(SkBitmap::Config config, |
| 1461 | int width, int height, |
| 1462 | bool isOpaque, |
| 1463 | Usage usage) { |
| 1464 | return SkNEW_ARGS(SkGpuDevice,(this->context(), config, |
| 1465 | width, height, usage)); |
| 1466 | } |
| 1467 | |
| 1468 | |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 1469 | /////////////////////////////////////////////////////////////////////////////// |
| 1470 | |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 1471 | SkGpuDeviceFactory::SkGpuDeviceFactory(GrContext* context, |
bsalomon@google.com | ea2ee8a | 2011-04-12 17:58:39 +0000 | [diff] [blame] | 1472 | GrRenderTarget* rootRenderTarget) { |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 1473 | GrAssert(NULL != context); |
| 1474 | GrAssert(NULL != rootRenderTarget); |
| 1475 | |
| 1476 | // check this now rather than passing this value to SkGpuDevice cons. |
| 1477 | // we want the rt that is bound *now* in the 3D API, not the one |
| 1478 | // at the time of newDevice. |
| 1479 | if (SkGpuDevice::Current3DApiRenderTarget() == rootRenderTarget) { |
| 1480 | fRootRenderTarget = context->createRenderTargetFrom3DApiState(); |
| 1481 | } else { |
| 1482 | fRootRenderTarget = rootRenderTarget; |
| 1483 | rootRenderTarget->ref(); |
| 1484 | } |
bsalomon@google.com | ea2ee8a | 2011-04-12 17:58:39 +0000 | [diff] [blame] | 1485 | |
| 1486 | fContext = context; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 1487 | context->ref(); |
bsalomon@google.com | ea2ee8a | 2011-04-12 17:58:39 +0000 | [diff] [blame] | 1488 | |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 1489 | fRootTexture = NULL; |
| 1490 | } |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 1491 | |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 1492 | SkGpuDeviceFactory::SkGpuDeviceFactory(GrContext* context, GrTexture* rootRenderTargetTexture) { |
| 1493 | GrAssert(NULL != context); |
| 1494 | GrAssert(NULL != rootRenderTargetTexture); |
| 1495 | GrAssert(NULL != rootRenderTargetTexture->asRenderTarget()); |
| 1496 | |
| 1497 | fRootTexture = rootRenderTargetTexture; |
| 1498 | rootRenderTargetTexture->ref(); |
| 1499 | |
| 1500 | fRootRenderTarget = rootRenderTargetTexture->asRenderTarget(); |
| 1501 | fRootRenderTarget->ref(); |
| 1502 | |
bsalomon@google.com | ea2ee8a | 2011-04-12 17:58:39 +0000 | [diff] [blame] | 1503 | fContext = context; |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 1504 | context->ref(); |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 1505 | } |
| 1506 | |
| 1507 | SkGpuDeviceFactory::~SkGpuDeviceFactory() { |
| 1508 | fContext->unref(); |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 1509 | fRootRenderTarget->unref(); |
bsalomon@google.com | 5877ffd | 2011-04-11 17:58:48 +0000 | [diff] [blame] | 1510 | GrSafeUnref(fRootTexture); |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 1511 | } |
| 1512 | |
| 1513 | SkDevice* SkGpuDeviceFactory::newDevice(SkCanvas*, SkBitmap::Config config, |
| 1514 | int width, int height, |
| 1515 | bool isOpaque, bool isLayer) { |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 1516 | if (isLayer) { |
| 1517 | return SkNEW_ARGS(SkGpuDevice, (fContext, config, width, height)); |
| 1518 | } else { |
| 1519 | return SkNEW_ARGS(SkGpuDevice, (fContext, fRootRenderTarget)); |
| 1520 | } |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 1521 | } |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1522 | |