1 /*
2 * Copyright 2016 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 "SkAutoPixmapStorage.h"
9 #include "SkBitmap.h"
10 #include "SkCanvas.h"
11 #include "SkImage.h"
12 #include "SkPixmap.h"
13 #include "SkSpecialImage.h"
14 #include "SkSpecialSurface.h"
15 #include "SkSurface.h"
16 #include "Test.h"
17
18 #if SK_SUPPORT_GPU
19 #include "GrContext.h"
20 #include "GrSurfaceProxy.h"
21 #include "GrTextureProxy.h"
22 #include "SkGr.h"
23 #endif
24
25
26 // This test creates backing resources exactly sized to [kFullSize x kFullSize].
27 // It then wraps them in an SkSpecialImage with only the center (red) region being active.
28 // It then draws the SkSpecialImage to a full sized (all blue) canvas and checks that none
29 // of the inactive (green) region leaked out.
30
31 static const int kSmallerSize = 10;
32 static const int kPad = 3;
33 static const int kFullSize = kSmallerSize + 2 * kPad;
34
35 // Create a bitmap with red in the center and green around it
create_bm()36 static SkBitmap create_bm() {
37 SkBitmap bm;
38 bm.allocN32Pixels(kFullSize, kFullSize, true);
39
40 SkCanvas temp(bm);
41
42 temp.clear(SK_ColorGREEN);
43 SkPaint p;
44 p.setColor(SK_ColorRED);
45 p.setAntiAlias(false);
46
47 temp.drawRect(SkRect::MakeXYWH(SkIntToScalar(kPad), SkIntToScalar(kPad),
48 SkIntToScalar(kSmallerSize), SkIntToScalar(kSmallerSize)),
49 p);
50
51 return bm;
52 }
53
54 // Basic test of the SkSpecialImage public API (e.g., peekTexture, peekPixels & draw)
test_image(const sk_sp<SkSpecialImage> & img,skiatest::Reporter * reporter,GrContext * context,bool isGPUBacked,int offset,int size)55 static void test_image(const sk_sp<SkSpecialImage>& img, skiatest::Reporter* reporter,
56 GrContext* context, bool isGPUBacked,
57 int offset, int size) {
58 const SkIRect subset = img->subset();
59 REPORTER_ASSERT(reporter, offset == subset.left());
60 REPORTER_ASSERT(reporter, offset == subset.top());
61 REPORTER_ASSERT(reporter, kSmallerSize == subset.width());
62 REPORTER_ASSERT(reporter, kSmallerSize == subset.height());
63
64 //--------------
65 // Test that isTextureBacked reports the correct backing type
66 REPORTER_ASSERT(reporter, isGPUBacked == img->isTextureBacked());
67
68 #if SK_SUPPORT_GPU
69 //--------------
70 // Test asTextureProxyRef - as long as there is a context this should succeed
71 if (context) {
72 sk_sp<GrTextureProxy> proxy(img->asTextureProxyRef(context));
73 REPORTER_ASSERT(reporter, proxy);
74 }
75 #endif
76
77 //--------------
78 // Test getROPixels - this should always succeed regardless of backing store
79 SkBitmap bitmap;
80 REPORTER_ASSERT(reporter, img->getROPixels(&bitmap));
81 if (context) {
82 REPORTER_ASSERT(reporter, kSmallerSize == bitmap.width());
83 REPORTER_ASSERT(reporter, kSmallerSize == bitmap.height());
84 } else {
85 REPORTER_ASSERT(reporter, size == bitmap.width());
86 REPORTER_ASSERT(reporter, size == bitmap.height());
87 }
88
89 //--------------
90 // Test that draw restricts itself to the subset
91 SkImageFilter::OutputProperties outProps(img->getColorSpace());
92 sk_sp<SkSpecialSurface> surf(img->makeSurface(outProps, SkISize::Make(kFullSize, kFullSize),
93 kPremul_SkAlphaType));
94
95 SkCanvas* canvas = surf->getCanvas();
96
97 canvas->clear(SK_ColorBLUE);
98 img->draw(canvas, SkIntToScalar(kPad), SkIntToScalar(kPad), nullptr);
99
100 SkBitmap bm;
101 bm.allocN32Pixels(kFullSize, kFullSize, false);
102
103 bool result = canvas->readPixels(bm.info(), bm.getPixels(), bm.rowBytes(), 0, 0);
104 SkASSERT_RELEASE(result);
105
106 // Only the center (red) portion should've been drawn into the canvas
107 REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kPad-1, kPad-1));
108 REPORTER_ASSERT(reporter, SK_ColorRED == bm.getColor(kPad, kPad));
109 REPORTER_ASSERT(reporter, SK_ColorRED == bm.getColor(kSmallerSize+kPad-1,
110 kSmallerSize+kPad-1));
111 REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kSmallerSize+kPad,
112 kSmallerSize+kPad));
113
114 //--------------
115 // Test that asImage & makeTightSurface return appropriately sized objects
116 // of the correct backing type
117 SkIRect newSubset = SkIRect::MakeWH(subset.width(), subset.height());
118 {
119 sk_sp<SkImage> tightImg(img->asImage(&newSubset));
120
121 REPORTER_ASSERT(reporter, tightImg->width() == subset.width());
122 REPORTER_ASSERT(reporter, tightImg->height() == subset.height());
123 REPORTER_ASSERT(reporter, isGPUBacked == tightImg->isTextureBacked());
124 SkPixmap tmpPixmap;
125 REPORTER_ASSERT(reporter, isGPUBacked != !!tightImg->peekPixels(&tmpPixmap));
126 }
127 {
128 SkImageFilter::OutputProperties outProps(img->getColorSpace());
129 sk_sp<SkSurface> tightSurf(img->makeTightSurface(outProps, subset.size()));
130
131 REPORTER_ASSERT(reporter, tightSurf->width() == subset.width());
132 REPORTER_ASSERT(reporter, tightSurf->height() == subset.height());
133 REPORTER_ASSERT(reporter, isGPUBacked ==
134 !!tightSurf->getTextureHandle(SkSurface::kDiscardWrite_BackendHandleAccess));
135 SkPixmap tmpPixmap;
136 REPORTER_ASSERT(reporter, isGPUBacked != !!tightSurf->peekPixels(&tmpPixmap));
137 }
138 }
139
DEF_TEST(SpecialImage_Raster,reporter)140 DEF_TEST(SpecialImage_Raster, reporter) {
141 SkBitmap bm = create_bm();
142
143 sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromRaster(
144 SkIRect::MakeWH(kFullSize, kFullSize),
145 bm));
146
147 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
148
149 {
150 sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromRaster(subset, bm));
151 test_image(subSImg1, reporter, nullptr, false, kPad, kFullSize);
152 }
153
154 {
155 sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset));
156 test_image(subSImg2, reporter, nullptr, false, 0, kSmallerSize);
157 }
158 }
159
test_specialimage_image(skiatest::Reporter * reporter,SkColorSpace * dstColorSpace)160 static void test_specialimage_image(skiatest::Reporter* reporter, SkColorSpace* dstColorSpace) {
161 SkBitmap bm = create_bm();
162
163 sk_sp<SkImage> fullImage(SkImage::MakeFromBitmap(bm));
164
165 sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromImage(
166 SkIRect::MakeWH(kFullSize, kFullSize),
167 fullImage, dstColorSpace));
168
169 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
170
171 {
172 sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromImage(subset, fullImage,
173 dstColorSpace));
174 test_image(subSImg1, reporter, nullptr, false, kPad, kFullSize);
175 }
176
177 {
178 sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset));
179 test_image(subSImg2, reporter, nullptr, false, 0, kSmallerSize);
180 }
181 }
182
DEF_TEST(SpecialImage_Image_Legacy,reporter)183 DEF_TEST(SpecialImage_Image_Legacy, reporter) {
184 SkColorSpace* legacyColorSpace = nullptr;
185 test_specialimage_image(reporter, legacyColorSpace);
186 }
187
DEF_TEST(SpecialImage_Image_ColorSpaceAware,reporter)188 DEF_TEST(SpecialImage_Image_ColorSpaceAware, reporter) {
189 sk_sp<SkColorSpace> srgbColorSpace = SkColorSpace::MakeSRGB();
190 test_specialimage_image(reporter, srgbColorSpace.get());
191 }
192
193 #if SK_SUPPORT_GPU
194
test_texture_backed(skiatest::Reporter * reporter,const sk_sp<SkSpecialImage> & orig,const sk_sp<SkSpecialImage> & gpuBacked)195 static void test_texture_backed(skiatest::Reporter* reporter,
196 const sk_sp<SkSpecialImage>& orig,
197 const sk_sp<SkSpecialImage>& gpuBacked) {
198 REPORTER_ASSERT(reporter, gpuBacked);
199 REPORTER_ASSERT(reporter, gpuBacked->isTextureBacked());
200 REPORTER_ASSERT(reporter, gpuBacked->uniqueID() == orig->uniqueID());
201 REPORTER_ASSERT(reporter, gpuBacked->subset().width() == orig->subset().width() &&
202 gpuBacked->subset().height() == orig->subset().height());
203 REPORTER_ASSERT(reporter, gpuBacked->getColorSpace() == orig->getColorSpace());
204 }
205
206 // Test out the SkSpecialImage::makeTextureImage entry point
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture,reporter,ctxInfo)207 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) {
208 GrContext* context = ctxInfo.grContext();
209 SkBitmap bm = create_bm();
210
211 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
212
213 {
214 // raster
215 sk_sp<SkSpecialImage> rasterImage(SkSpecialImage::MakeFromRaster(
216 SkIRect::MakeWH(kFullSize,
217 kFullSize),
218 bm));
219
220 {
221 sk_sp<SkSpecialImage> fromRaster(rasterImage->makeTextureImage(context));
222 test_texture_backed(reporter, rasterImage, fromRaster);
223 }
224
225 {
226 sk_sp<SkSpecialImage> subRasterImage(rasterImage->makeSubset(subset));
227
228 sk_sp<SkSpecialImage> fromSubRaster(subRasterImage->makeTextureImage(context));
229 test_texture_backed(reporter, subRasterImage, fromSubRaster);
230 }
231 }
232
233 {
234 // gpu
235 const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(bm.info(), *context->caps());
236
237 sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(context->resourceProvider(),
238 desc, SkBudgeted::kNo,
239 bm.getPixels(), bm.rowBytes()));
240 if (!proxy) {
241 return;
242 }
243
244 sk_sp<SkSpecialImage> gpuImage(SkSpecialImage::MakeDeferredFromGpu(
245 context,
246 SkIRect::MakeWH(kFullSize, kFullSize),
247 kNeedNewImageUniqueID_SpecialImage,
248 std::move(proxy), nullptr));
249
250 {
251 sk_sp<SkSpecialImage> fromGPU(gpuImage->makeTextureImage(context));
252 test_texture_backed(reporter, gpuImage, fromGPU);
253 }
254
255 {
256 sk_sp<SkSpecialImage> subGPUImage(gpuImage->makeSubset(subset));
257
258 sk_sp<SkSpecialImage> fromSubGPU(subGPUImage->makeTextureImage(context));
259 test_texture_backed(reporter, subGPUImage, fromSubGPU);
260 }
261 }
262 }
263
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu,reporter,ctxInfo)264 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) {
265 GrContext* context = ctxInfo.grContext();
266 SkBitmap bm = create_bm();
267
268 const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(bm.info(), *context->caps());
269
270 sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(context->resourceProvider(),
271 desc, SkBudgeted::kNo,
272 bm.getPixels(), bm.rowBytes()));
273 if (!proxy) {
274 return;
275 }
276
277 sk_sp<SkSpecialImage> fullSImg(SkSpecialImage::MakeDeferredFromGpu(
278 context,
279 SkIRect::MakeWH(kFullSize, kFullSize),
280 kNeedNewImageUniqueID_SpecialImage,
281 proxy, nullptr));
282
283 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
284
285 {
286 sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeDeferredFromGpu(
287 context, subset,
288 kNeedNewImageUniqueID_SpecialImage,
289 std::move(proxy), nullptr));
290 test_image(subSImg1, reporter, context, true, kPad, kFullSize);
291 }
292
293 {
294 sk_sp<SkSpecialImage> subSImg2(fullSImg->makeSubset(subset));
295 test_image(subSImg2, reporter, context, true, kPad, kFullSize);
296 }
297 }
298
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_DeferredGpu,reporter,ctxInfo)299 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_DeferredGpu, reporter, ctxInfo) {
300 GrContext* context = ctxInfo.grContext();
301 SkBitmap bm = create_bm();
302
303 GrSurfaceDesc desc;
304 desc.fConfig = kSkia8888_GrPixelConfig;
305 desc.fFlags = kNone_GrSurfaceFlags;
306 desc.fWidth = kFullSize;
307 desc.fHeight = kFullSize;
308
309 sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(context->resourceProvider(),
310 desc, SkBudgeted::kNo,
311 bm.getPixels(), 0));
312 if (!proxy) {
313 return;
314 }
315
316 sk_sp<SkSpecialImage> fullSImg(SkSpecialImage::MakeDeferredFromGpu(
317 context,
318 SkIRect::MakeWH(kFullSize, kFullSize),
319 kNeedNewImageUniqueID_SpecialImage,
320 proxy, nullptr));
321
322 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
323
324 {
325 sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeDeferredFromGpu(
326 context, subset,
327 kNeedNewImageUniqueID_SpecialImage,
328 std::move(proxy), nullptr));
329 test_image(subSImg1, reporter, context, true, kPad, kFullSize);
330 }
331
332 {
333 sk_sp<SkSpecialImage> subSImg2(fullSImg->makeSubset(subset));
334 test_image(subSImg2, reporter, context, true, kPad, kFullSize);
335 }
336 }
337
338 #endif
339