reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "gm.h" |
| 9 | #include "SkCanvas.h" |
| 10 | #include "SkImage.h" |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 11 | #include "SkImageCacherator.h" |
reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 12 | #include "SkPictureRecorder.h" |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 13 | #include "SkSurface.h" |
reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 14 | |
| 15 | #if SK_SUPPORT_GPU |
| 16 | #include "GrContext.h" |
Robert Phillips | e2f7d18 | 2016-12-15 09:23:05 -0500 | [diff] [blame] | 17 | #include "GrContextPriv.h" |
| 18 | #include "GrSurfaceContext.h" |
| 19 | #include "GrSurfaceProxy.h" |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 20 | #include "GrTexture.h" |
Robert Phillips | e2f7d18 | 2016-12-15 09:23:05 -0500 | [diff] [blame] | 21 | #include "GrTextureProxy.h" |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 22 | #include "../src/image/SkImage_Gpu.h" |
reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 23 | #endif |
| 24 | |
| 25 | static void draw_something(SkCanvas* canvas, const SkRect& bounds) { |
| 26 | SkPaint paint; |
| 27 | paint.setAntiAlias(true); |
| 28 | paint.setColor(SK_ColorRED); |
| 29 | paint.setStyle(SkPaint::kStroke_Style); |
| 30 | paint.setStrokeWidth(10); |
| 31 | canvas->drawRect(bounds, paint); |
| 32 | paint.setStyle(SkPaint::kFill_Style); |
| 33 | paint.setColor(SK_ColorBLUE); |
| 34 | canvas->drawOval(bounds, paint); |
| 35 | } |
| 36 | |
| 37 | /* |
| 38 | * Exercise drawing pictures inside an image, showing that the image version is pixelated |
| 39 | * (correctly) when it is inside an image. |
| 40 | */ |
| 41 | class ImagePictGM : public skiagm::GM { |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 42 | sk_sp<SkPicture> fPicture; |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 43 | sk_sp<SkImage> fImage0; |
| 44 | sk_sp<SkImage> fImage1; |
reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 45 | public: |
| 46 | ImagePictGM() {} |
| 47 | |
| 48 | protected: |
| 49 | SkString onShortName() override { |
| 50 | return SkString("image-picture"); |
| 51 | } |
| 52 | |
| 53 | SkISize onISize() override { |
| 54 | return SkISize::Make(850, 450); |
| 55 | } |
| 56 | |
| 57 | void onOnceBeforeDraw() override { |
| 58 | const SkRect bounds = SkRect::MakeXYWH(100, 100, 100, 100); |
| 59 | SkPictureRecorder recorder; |
| 60 | draw_something(recorder.beginRecording(bounds), bounds); |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 61 | fPicture = recorder.finishRecordingAsPicture(); |
reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 62 | |
| 63 | // extract enough just for the oval. |
| 64 | const SkISize size = SkISize::Make(100, 100); |
Brian Osman | 138ea97 | 2016-12-16 11:55:18 -0500 | [diff] [blame] | 65 | auto srgbColorSpace = SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named); |
reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 66 | |
| 67 | SkMatrix matrix; |
| 68 | matrix.setTranslate(-100, -100); |
Matt Sarett | e94255d | 2017-01-09 12:38:59 -0500 | [diff] [blame] | 69 | fImage0 = SkImage::MakeFromPicture(fPicture, size, &matrix, nullptr, |
| 70 | SkImage::BitDepth::kU8, srgbColorSpace); |
reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 71 | matrix.postTranslate(-50, -50); |
| 72 | matrix.postRotate(45); |
| 73 | matrix.postTranslate(50, 50); |
Matt Sarett | e94255d | 2017-01-09 12:38:59 -0500 | [diff] [blame] | 74 | fImage1 = SkImage::MakeFromPicture(fPicture, size, &matrix, nullptr, |
| 75 | SkImage::BitDepth::kU8, srgbColorSpace); |
reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | void drawSet(SkCanvas* canvas) const { |
| 79 | SkMatrix matrix = SkMatrix::MakeTrans(-100, -100); |
| 80 | canvas->drawPicture(fPicture, &matrix, nullptr); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 81 | canvas->drawImage(fImage0.get(), 150, 0); |
| 82 | canvas->drawImage(fImage1.get(), 300, 0); |
reed | d5b7563 | 2015-08-13 09:37:45 -0700 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | void onDraw(SkCanvas* canvas) override { |
| 86 | canvas->translate(20, 20); |
| 87 | |
| 88 | this->drawSet(canvas); |
| 89 | |
| 90 | canvas->save(); |
| 91 | canvas->translate(0, 130); |
| 92 | canvas->scale(0.25f, 0.25f); |
| 93 | this->drawSet(canvas); |
| 94 | canvas->restore(); |
| 95 | |
| 96 | canvas->save(); |
| 97 | canvas->translate(0, 200); |
| 98 | canvas->scale(2, 2); |
| 99 | this->drawSet(canvas); |
| 100 | canvas->restore(); |
| 101 | } |
| 102 | |
| 103 | private: |
| 104 | typedef skiagm::GM INHERITED; |
| 105 | }; |
| 106 | DEF_GM( return new ImagePictGM; ) |
| 107 | |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 108 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 109 | |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 110 | static SkImageGenerator* make_pic_generator(GrContext*, SkPicture* pic) { |
| 111 | SkMatrix matrix; |
| 112 | matrix.setTranslate(-100, -100); |
Brian Osman | 138ea97 | 2016-12-16 11:55:18 -0500 | [diff] [blame] | 113 | return SkImageGenerator::NewFromPicture(SkISize::Make(100, 100), pic, &matrix, nullptr, |
Matt Sarett | e94255d | 2017-01-09 12:38:59 -0500 | [diff] [blame] | 114 | SkImage::BitDepth::kU8, |
Brian Osman | 138ea97 | 2016-12-16 11:55:18 -0500 | [diff] [blame] | 115 | SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named)); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | class RasterGenerator : public SkImageGenerator { |
| 119 | public: |
reed | c4a83e2 | 2015-09-11 11:47:27 -0700 | [diff] [blame] | 120 | RasterGenerator(const SkBitmap& bm) : SkImageGenerator(bm.info()), fBM(bm) { |
| 121 | fBM.lockPixels(); |
| 122 | } |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 123 | protected: |
| 124 | bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, |
reed | c4a83e2 | 2015-09-11 11:47:27 -0700 | [diff] [blame] | 125 | SkPMColor* ctable, int* ctableCount) override { |
| 126 | SkASSERT(fBM.width() == info.width()); |
| 127 | SkASSERT(fBM.height() == info.height()); |
| 128 | |
| 129 | if (info.colorType() == kIndex_8_SkColorType) { |
| 130 | if (SkColorTable* ct = fBM.getColorTable()) { |
| 131 | if (ctable) { |
| 132 | memcpy(ctable, ct->readColors(), ct->count() * sizeof(SkPMColor)); |
| 133 | } |
| 134 | if (ctableCount) { |
| 135 | *ctableCount = ct->count(); |
| 136 | } |
| 137 | |
| 138 | for (int y = 0; y < info.height(); ++y) { |
| 139 | memcpy(pixels, fBM.getAddr8(0, y), fBM.width()); |
| 140 | pixels = (char*)pixels + rowBytes; |
| 141 | } |
| 142 | return true; |
| 143 | } else { |
| 144 | return false; |
| 145 | } |
| 146 | } else { |
| 147 | return fBM.readPixels(info, pixels, rowBytes, 0, 0); |
| 148 | } |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 149 | } |
| 150 | private: |
| 151 | SkBitmap fBM; |
| 152 | }; |
| 153 | static SkImageGenerator* make_ras_generator(GrContext*, SkPicture* pic) { |
| 154 | SkBitmap bm; |
| 155 | bm.allocN32Pixels(100, 100); |
| 156 | SkCanvas canvas(bm); |
| 157 | canvas.clear(0); |
| 158 | canvas.translate(-100, -100); |
| 159 | canvas.drawPicture(pic); |
| 160 | return new RasterGenerator(bm); |
| 161 | } |
| 162 | |
reed | c4a83e2 | 2015-09-11 11:47:27 -0700 | [diff] [blame] | 163 | // so we can create a color-table |
| 164 | static int find_closest(SkPMColor c, const SkPMColor table[], int count) { |
| 165 | const int cr = SkGetPackedR32(c); |
| 166 | const int cg = SkGetPackedG32(c); |
| 167 | const int cb = SkGetPackedB32(c); |
| 168 | |
| 169 | int minDist = 999999999; |
| 170 | int index = 0; |
| 171 | for (int i = 0; i < count; ++i) { |
| 172 | int dr = SkAbs32((int)SkGetPackedR32(table[i]) - cr); |
| 173 | int dg = SkAbs32((int)SkGetPackedG32(table[i]) - cg); |
| 174 | int db = SkAbs32((int)SkGetPackedB32(table[i]) - cb); |
| 175 | int dist = dr + dg + db; |
| 176 | if (dist < minDist) { |
| 177 | minDist = dist; |
| 178 | index = i; |
| 179 | } |
| 180 | } |
| 181 | return index; |
| 182 | } |
| 183 | |
| 184 | static SkImageGenerator* make_ctable_generator(GrContext*, SkPicture* pic) { |
| 185 | SkBitmap bm; |
| 186 | bm.allocN32Pixels(100, 100); |
| 187 | SkCanvas canvas(bm); |
| 188 | canvas.clear(0); |
| 189 | canvas.translate(-100, -100); |
| 190 | canvas.drawPicture(pic); |
| 191 | |
| 192 | const SkPMColor colors[] = { |
| 193 | SkPreMultiplyColor(SK_ColorRED), |
| 194 | SkPreMultiplyColor(0), |
| 195 | SkPreMultiplyColor(SK_ColorBLUE), |
| 196 | }; |
| 197 | const int count = SK_ARRAY_COUNT(colors); |
| 198 | SkImageInfo info = SkImageInfo::Make(100, 100, kIndex_8_SkColorType, kPremul_SkAlphaType); |
| 199 | |
| 200 | SkBitmap bm2; |
Hal Canary | cefc431 | 2016-11-04 16:26:16 -0400 | [diff] [blame] | 201 | sk_sp<SkColorTable> ct(new SkColorTable(colors, count)); |
| 202 | bm2.allocPixels(info, nullptr, ct.get()); |
reed | c4a83e2 | 2015-09-11 11:47:27 -0700 | [diff] [blame] | 203 | for (int y = 0; y < info.height(); ++y) { |
| 204 | for (int x = 0; x < info.width(); ++x) { |
| 205 | *bm2.getAddr8(x, y) = find_closest(*bm.getAddr32(x, y), colors, count); |
| 206 | } |
| 207 | } |
| 208 | return new RasterGenerator(bm2); |
| 209 | } |
| 210 | |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 211 | class EmptyGenerator : public SkImageGenerator { |
| 212 | public: |
| 213 | EmptyGenerator(const SkImageInfo& info) : SkImageGenerator(info) {} |
| 214 | }; |
| 215 | |
| 216 | #if SK_SUPPORT_GPU |
| 217 | class TextureGenerator : public SkImageGenerator { |
| 218 | public: |
| 219 | TextureGenerator(GrContext* ctx, const SkImageInfo& info, SkPicture* pic) |
| 220 | : SkImageGenerator(info) |
Robert Phillips | e2f7d18 | 2016-12-15 09:23:05 -0500 | [diff] [blame] | 221 | , fCtx(SkRef(ctx)) { |
| 222 | |
| 223 | sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info)); |
scroggo | e6f0d6e | 2016-05-13 07:25:44 -0700 | [diff] [blame] | 224 | if (surface) { |
| 225 | surface->getCanvas()->clear(0); |
| 226 | surface->getCanvas()->translate(-100, -100); |
| 227 | surface->getCanvas()->drawPicture(pic); |
| 228 | sk_sp<SkImage> image(surface->makeImageSnapshot()); |
Robert Phillips | 6de9904 | 2017-01-31 11:31:39 -0500 | [diff] [blame^] | 229 | fProxy = as_IB(image)->asTextureProxyRef(); |
scroggo | e6f0d6e | 2016-05-13 07:25:44 -0700 | [diff] [blame] | 230 | } |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 231 | } |
| 232 | protected: |
Brian Osman | 222e9ad | 2016-12-14 15:42:36 -0500 | [diff] [blame] | 233 | GrTexture* onGenerateTexture(GrContext* ctx, const SkImageInfo& info, |
| 234 | const SkIPoint& origin) override { |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 235 | if (ctx) { |
| 236 | SkASSERT(ctx == fCtx.get()); |
| 237 | } |
| 238 | |
Robert Phillips | e2f7d18 | 2016-12-15 09:23:05 -0500 | [diff] [blame] | 239 | if (!fProxy) { |
scroggo | e6f0d6e | 2016-05-13 07:25:44 -0700 | [diff] [blame] | 240 | return nullptr; |
| 241 | } |
| 242 | |
Robert Phillips | e2f7d18 | 2016-12-15 09:23:05 -0500 | [diff] [blame] | 243 | if (origin.fX == 0 && origin.fY == 0 && |
| 244 | info.width() == fProxy->width() && info.height() == fProxy->height()) { |
| 245 | return SkSafeRef(fProxy->instantiate(fCtx->textureProvider())->asTexture()); |
| 246 | } |
| 247 | |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 248 | // need to copy the subset into a new texture |
Robert Phillips | e2f7d18 | 2016-12-15 09:23:05 -0500 | [diff] [blame] | 249 | GrSurfaceDesc desc = fProxy->desc(); |
Brian Osman | 222e9ad | 2016-12-14 15:42:36 -0500 | [diff] [blame] | 250 | desc.fWidth = info.width(); |
| 251 | desc.fHeight = info.height(); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 252 | |
Robert Phillips | e2f7d18 | 2016-12-15 09:23:05 -0500 | [diff] [blame] | 253 | sk_sp<GrSurfaceContext> dstContext(fCtx->contextPriv().makeDeferredSurfaceContext( |
| 254 | desc, |
| 255 | SkBackingFit::kExact, |
| 256 | SkBudgeted::kNo)); |
| 257 | if (!dstContext) { |
| 258 | return nullptr; |
| 259 | } |
| 260 | |
| 261 | if (!dstContext->copy( |
| 262 | fProxy.get(), |
| 263 | SkIRect::MakeXYWH(origin.x(), origin.y(), info.width(), info.height()), |
| 264 | SkIPoint::Make(0, 0))) { |
| 265 | return nullptr; |
| 266 | } |
| 267 | |
Robert Phillips | f200a90 | 2017-01-30 13:27:37 -0500 | [diff] [blame] | 268 | GrSurface* dstSurf = dstContext->asSurfaceProxy()->instantiate(fCtx->textureProvider()); |
Robert Phillips | e2f7d18 | 2016-12-15 09:23:05 -0500 | [diff] [blame] | 269 | if (!dstSurf) { |
| 270 | return nullptr; |
| 271 | } |
| 272 | |
| 273 | return SkRef(dstSurf->asTexture()); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 274 | } |
| 275 | private: |
Robert Phillips | e2f7d18 | 2016-12-15 09:23:05 -0500 | [diff] [blame] | 276 | sk_sp<GrContext> fCtx; |
| 277 | sk_sp<GrSurfaceProxy> fProxy; |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 278 | }; |
| 279 | static SkImageGenerator* make_tex_generator(GrContext* ctx, SkPicture* pic) { |
| 280 | const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100); |
| 281 | |
| 282 | if (!ctx) { |
| 283 | return new EmptyGenerator(info); |
| 284 | } |
| 285 | return new TextureGenerator(ctx, info, pic); |
| 286 | } |
| 287 | #endif |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 288 | |
| 289 | class ImageCacheratorGM : public skiagm::GM { |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 290 | SkString fName; |
| 291 | SkImageGenerator* (*fFactory)(GrContext*, SkPicture*); |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 292 | sk_sp<SkPicture> fPicture; |
Ben Wagner | 145dbcd | 2016-11-03 14:40:50 -0400 | [diff] [blame] | 293 | std::unique_ptr<SkImageCacherator> fCache; |
| 294 | std::unique_ptr<SkImageCacherator> fCacheSubset; |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 295 | |
| 296 | public: |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 297 | ImageCacheratorGM(const char suffix[], SkImageGenerator* (*factory)(GrContext*, SkPicture*)) |
| 298 | : fFactory(factory) |
| 299 | { |
| 300 | fName.printf("image-cacherator-from-%s", suffix); |
| 301 | } |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 302 | |
| 303 | protected: |
| 304 | SkString onShortName() override { |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 305 | return fName; |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | SkISize onISize() override { |
reed | a32cc95 | 2015-08-19 06:07:29 -0700 | [diff] [blame] | 309 | return SkISize::Make(960, 450); |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | void onOnceBeforeDraw() override { |
| 313 | const SkRect bounds = SkRect::MakeXYWH(100, 100, 100, 100); |
| 314 | SkPictureRecorder recorder; |
| 315 | draw_something(recorder.beginRecording(bounds), bounds); |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 316 | fPicture = recorder.finishRecordingAsPicture(); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 317 | } |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 318 | |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 319 | void makeCaches(GrContext* ctx) { |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 320 | auto gen = fFactory(ctx, fPicture.get()); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 321 | SkDEBUGCODE(const uint32_t genID = gen->uniqueID();) |
reed | 8f4fe37 | 2015-08-13 14:06:46 -0700 | [diff] [blame] | 322 | fCache.reset(SkImageCacherator::NewFromGenerator(gen)); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 323 | |
| 324 | const SkIRect subset = SkIRect::MakeLTRB(50, 50, 100, 100); |
| 325 | |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 326 | gen = fFactory(ctx, fPicture.get()); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 327 | SkDEBUGCODE(const uint32_t genSubsetID = gen->uniqueID();) |
| 328 | fCacheSubset.reset(SkImageCacherator::NewFromGenerator(gen, &subset)); |
| 329 | |
| 330 | // whole caches should have the same ID as the generator. Subsets should be diff |
| 331 | SkASSERT(fCache->uniqueID() == genID); |
| 332 | SkASSERT(fCacheSubset->uniqueID() != genID); |
| 333 | SkASSERT(fCacheSubset->uniqueID() != genSubsetID); |
| 334 | |
| 335 | SkASSERT(fCache->info().dimensions() == SkISize::Make(100, 100)); |
| 336 | SkASSERT(fCacheSubset->info().dimensions() == SkISize::Make(50, 50)); |
| 337 | } |
| 338 | |
| 339 | static void draw_as_bitmap(SkCanvas* canvas, SkImageCacherator* cache, SkScalar x, SkScalar y) { |
| 340 | SkBitmap bitmap; |
Brian Osman | 61624f0 | 2016-12-09 14:51:59 -0500 | [diff] [blame] | 341 | cache->lockAsBitmap(&bitmap, nullptr, canvas->imageInfo().colorSpace()); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 342 | canvas->drawBitmap(bitmap, x, y); |
| 343 | } |
| 344 | |
| 345 | static void draw_as_tex(SkCanvas* canvas, SkImageCacherator* cache, SkScalar x, SkScalar y) { |
| 346 | #if SK_SUPPORT_GPU |
Brian Osman | 7992da3 | 2016-11-18 11:28:24 -0500 | [diff] [blame] | 347 | sk_sp<SkColorSpace> texColorSpace; |
Brian Osman | 7b8400d | 2016-11-08 17:08:54 -0500 | [diff] [blame] | 348 | sk_sp<GrTexture> texture( |
Brian Salomon | 514baff | 2016-11-17 15:17:07 -0500 | [diff] [blame] | 349 | cache->lockAsTexture(canvas->getGrContext(), GrSamplerParams::ClampBilerp(), |
Robert Phillips | 67c18d6 | 2017-01-20 12:44:06 -0500 | [diff] [blame] | 350 | canvas->imageInfo().colorSpace(), &texColorSpace, |
| 351 | nullptr, nullptr)); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 352 | if (!texture) { |
reed | a32cc95 | 2015-08-19 06:07:29 -0700 | [diff] [blame] | 353 | // show placeholder if we have no texture |
| 354 | SkPaint paint; |
| 355 | paint.setStyle(SkPaint::kStroke_Style); |
| 356 | SkRect r = SkRect::MakeXYWH(x, y, SkIntToScalar(cache->info().width()), |
| 357 | SkIntToScalar(cache->info().width())); |
| 358 | canvas->drawRect(r, paint); |
| 359 | canvas->drawLine(r.left(), r.top(), r.right(), r.bottom(), paint); |
| 360 | canvas->drawLine(r.left(), r.bottom(), r.right(), r.top(), paint); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 361 | return; |
| 362 | } |
| 363 | // No API to draw a GrTexture directly, so we cheat and create a private image subclass |
bungeman | 6bd5284 | 2016-10-27 09:30:08 -0700 | [diff] [blame] | 364 | sk_sp<SkImage> image(new SkImage_Gpu(cache->info().width(), cache->info().height(), |
| 365 | cache->uniqueID(), kPremul_SkAlphaType, |
Brian Osman | 7992da3 | 2016-11-18 11:28:24 -0500 | [diff] [blame] | 366 | std::move(texture), std::move(texColorSpace), |
bungeman | 6bd5284 | 2016-10-27 09:30:08 -0700 | [diff] [blame] | 367 | SkBudgeted::kNo)); |
| 368 | canvas->drawImage(image.get(), x, y); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 369 | #endif |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 370 | } |
| 371 | |
| 372 | void drawSet(SkCanvas* canvas) const { |
| 373 | SkMatrix matrix = SkMatrix::MakeTrans(-100, -100); |
| 374 | canvas->drawPicture(fPicture, &matrix, nullptr); |
| 375 | |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 376 | // Draw the tex first, so it doesn't hit a lucky cache from the raster version. This |
| 377 | // way we also can force the generateTexture call. |
| 378 | |
Ben Wagner | 145dbcd | 2016-11-03 14:40:50 -0400 | [diff] [blame] | 379 | draw_as_tex(canvas, fCache.get(), 310, 0); |
| 380 | draw_as_tex(canvas, fCacheSubset.get(), 310+101, 0); |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 381 | |
Ben Wagner | 145dbcd | 2016-11-03 14:40:50 -0400 | [diff] [blame] | 382 | draw_as_bitmap(canvas, fCache.get(), 150, 0); |
| 383 | draw_as_bitmap(canvas, fCacheSubset.get(), 150+101, 0); |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | void onDraw(SkCanvas* canvas) override { |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 387 | this->makeCaches(canvas->getGrContext()); |
| 388 | |
reed | 8f34372 | 2015-08-13 13:32:39 -0700 | [diff] [blame] | 389 | canvas->translate(20, 20); |
| 390 | |
| 391 | this->drawSet(canvas); |
| 392 | |
| 393 | canvas->save(); |
| 394 | canvas->translate(0, 130); |
| 395 | canvas->scale(0.25f, 0.25f); |
| 396 | this->drawSet(canvas); |
| 397 | canvas->restore(); |
| 398 | |
| 399 | canvas->save(); |
| 400 | canvas->translate(0, 200); |
| 401 | canvas->scale(2, 2); |
| 402 | this->drawSet(canvas); |
| 403 | canvas->restore(); |
| 404 | } |
| 405 | |
| 406 | private: |
| 407 | typedef skiagm::GM INHERITED; |
| 408 | }; |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 409 | DEF_GM( return new ImageCacheratorGM("picture", make_pic_generator); ) |
| 410 | DEF_GM( return new ImageCacheratorGM("raster", make_ras_generator); ) |
reed | c4a83e2 | 2015-09-11 11:47:27 -0700 | [diff] [blame] | 411 | DEF_GM( return new ImageCacheratorGM("ctable", make_ctable_generator); ) |
reed | 935d6cf | 2015-08-18 11:16:09 -0700 | [diff] [blame] | 412 | #if SK_SUPPORT_GPU |
| 413 | DEF_GM( return new ImageCacheratorGM("texture", make_tex_generator); ) |
| 414 | #endif |