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 "GrContextPriv.h"
21 #include "GrProxyProvider.h"
22 #include "GrSurfaceProxy.h"
23 #include "GrTextureProxy.h"
24 #include "SkGr.h"
25 #endif
26
27
28 // This test creates backing resources exactly sized to [kFullSize x kFullSize].
29 // It then wraps them in an SkSpecialImage with only the center (red) region being active.
30 // It then draws the SkSpecialImage to a full sized (all blue) canvas and checks that none
31 // of the inactive (green) region leaked out.
32
33 static const int kSmallerSize = 10;
34 static const int kPad = 3;
35 static const int kFullSize = kSmallerSize + 2 * kPad;
36
37 // Create a bitmap with red in the center and green around it
create_bm()38 static SkBitmap create_bm() {
39 SkBitmap bm;
40 bm.allocN32Pixels(kFullSize, kFullSize, true);
41
42 SkCanvas temp(bm);
43
44 temp.clear(SK_ColorGREEN);
45 SkPaint p;
46 p.setColor(SK_ColorRED);
47 p.setAntiAlias(false);
48
49 temp.drawRect(SkRect::MakeXYWH(SkIntToScalar(kPad), SkIntToScalar(kPad),
50 SkIntToScalar(kSmallerSize), SkIntToScalar(kSmallerSize)),
51 p);
52
53 return bm;
54 }
55
56 // 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)57 static void test_image(const sk_sp<SkSpecialImage>& img, skiatest::Reporter* reporter,
58 GrContext* context, bool isGPUBacked,
59 int offset, int size) {
60 const SkIRect subset = img->subset();
61 REPORTER_ASSERT(reporter, offset == subset.left());
62 REPORTER_ASSERT(reporter, offset == subset.top());
63 REPORTER_ASSERT(reporter, kSmallerSize == subset.width());
64 REPORTER_ASSERT(reporter, kSmallerSize == subset.height());
65
66 //--------------
67 // Test that isTextureBacked reports the correct backing type
68 REPORTER_ASSERT(reporter, isGPUBacked == img->isTextureBacked());
69
70 #if SK_SUPPORT_GPU
71 //--------------
72 // Test asTextureProxyRef - as long as there is a context this should succeed
73 if (context) {
74 sk_sp<GrTextureProxy> proxy(img->asTextureProxyRef(context));
75 REPORTER_ASSERT(reporter, proxy);
76 }
77 #endif
78
79 //--------------
80 // Test getROPixels - this should always succeed regardless of backing store
81 SkBitmap bitmap;
82 REPORTER_ASSERT(reporter, img->getROPixels(&bitmap));
83 if (context) {
84 REPORTER_ASSERT(reporter, kSmallerSize == bitmap.width());
85 REPORTER_ASSERT(reporter, kSmallerSize == bitmap.height());
86 } else {
87 REPORTER_ASSERT(reporter, size == bitmap.width());
88 REPORTER_ASSERT(reporter, size == bitmap.height());
89 }
90
91 //--------------
92 // Test that draw restricts itself to the subset
93 SkImageFilter::OutputProperties outProps(img->getColorSpace());
94 sk_sp<SkSpecialSurface> surf(img->makeSurface(outProps, SkISize::Make(kFullSize, kFullSize),
95 kPremul_SkAlphaType));
96
97 SkCanvas* canvas = surf->getCanvas();
98
99 canvas->clear(SK_ColorBLUE);
100 img->draw(canvas, SkIntToScalar(kPad), SkIntToScalar(kPad), nullptr);
101
102 SkBitmap bm;
103 bm.allocN32Pixels(kFullSize, kFullSize, false);
104
105 bool result = canvas->readPixels(bm.info(), bm.getPixels(), bm.rowBytes(), 0, 0);
106 SkASSERT_RELEASE(result);
107
108 // Only the center (red) portion should've been drawn into the canvas
109 REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kPad-1, kPad-1));
110 REPORTER_ASSERT(reporter, SK_ColorRED == bm.getColor(kPad, kPad));
111 REPORTER_ASSERT(reporter, SK_ColorRED == bm.getColor(kSmallerSize+kPad-1,
112 kSmallerSize+kPad-1));
113 REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kSmallerSize+kPad,
114 kSmallerSize+kPad));
115
116 //--------------
117 // Test that asImage & makeTightSurface return appropriately sized objects
118 // of the correct backing type
119 SkIRect newSubset = SkIRect::MakeWH(subset.width(), subset.height());
120 {
121 sk_sp<SkImage> tightImg(img->asImage(&newSubset));
122
123 REPORTER_ASSERT(reporter, tightImg->width() == subset.width());
124 REPORTER_ASSERT(reporter, tightImg->height() == subset.height());
125 REPORTER_ASSERT(reporter, isGPUBacked == tightImg->isTextureBacked());
126 SkPixmap tmpPixmap;
127 REPORTER_ASSERT(reporter, isGPUBacked != !!tightImg->peekPixels(&tmpPixmap));
128 }
129 {
130 SkImageFilter::OutputProperties outProps(img->getColorSpace());
131 sk_sp<SkSurface> tightSurf(img->makeTightSurface(outProps, subset.size()));
132
133 REPORTER_ASSERT(reporter, tightSurf->width() == subset.width());
134 REPORTER_ASSERT(reporter, tightSurf->height() == subset.height());
135 REPORTER_ASSERT(reporter, isGPUBacked ==
136 !!tightSurf->getTextureHandle(SkSurface::kDiscardWrite_BackendHandleAccess));
137 SkPixmap tmpPixmap;
138 REPORTER_ASSERT(reporter, isGPUBacked != !!tightSurf->peekPixels(&tmpPixmap));
139 }
140 }
141
DEF_TEST(SpecialImage_Raster,reporter)142 DEF_TEST(SpecialImage_Raster, reporter) {
143 SkBitmap bm = create_bm();
144
145 sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromRaster(
146 SkIRect::MakeWH(kFullSize, kFullSize),
147 bm));
148
149 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
150
151 {
152 sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromRaster(subset, bm));
153 test_image(subSImg1, reporter, nullptr, false, kPad, kFullSize);
154 }
155
156 {
157 sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset));
158 test_image(subSImg2, reporter, nullptr, false, 0, kSmallerSize);
159 }
160 }
161
test_specialimage_image(skiatest::Reporter * reporter,SkColorSpace * dstColorSpace)162 static void test_specialimage_image(skiatest::Reporter* reporter, SkColorSpace* dstColorSpace) {
163 SkBitmap bm = create_bm();
164
165 sk_sp<SkImage> fullImage(SkImage::MakeFromBitmap(bm));
166
167 sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromImage(
168 SkIRect::MakeWH(kFullSize, kFullSize),
169 fullImage, dstColorSpace));
170
171 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
172
173 {
174 sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromImage(subset, fullImage,
175 dstColorSpace));
176 test_image(subSImg1, reporter, nullptr, false, kPad, kFullSize);
177 }
178
179 {
180 sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset));
181 test_image(subSImg2, reporter, nullptr, false, 0, kSmallerSize);
182 }
183 }
184
DEF_TEST(SpecialImage_Image_Legacy,reporter)185 DEF_TEST(SpecialImage_Image_Legacy, reporter) {
186 SkColorSpace* legacyColorSpace = nullptr;
187 test_specialimage_image(reporter, legacyColorSpace);
188 }
189
DEF_TEST(SpecialImage_Image_ColorSpaceAware,reporter)190 DEF_TEST(SpecialImage_Image_ColorSpaceAware, reporter) {
191 sk_sp<SkColorSpace> srgbColorSpace = SkColorSpace::MakeSRGB();
192 test_specialimage_image(reporter, srgbColorSpace.get());
193 }
194
195 #if SK_SUPPORT_GPU
196
test_texture_backed(skiatest::Reporter * reporter,const sk_sp<SkSpecialImage> & orig,const sk_sp<SkSpecialImage> & gpuBacked)197 static void test_texture_backed(skiatest::Reporter* reporter,
198 const sk_sp<SkSpecialImage>& orig,
199 const sk_sp<SkSpecialImage>& gpuBacked) {
200 REPORTER_ASSERT(reporter, gpuBacked);
201 REPORTER_ASSERT(reporter, gpuBacked->isTextureBacked());
202 REPORTER_ASSERT(reporter, gpuBacked->uniqueID() == orig->uniqueID());
203 REPORTER_ASSERT(reporter, gpuBacked->subset().width() == orig->subset().width() &&
204 gpuBacked->subset().height() == orig->subset().height());
205 REPORTER_ASSERT(reporter, gpuBacked->getColorSpace() == orig->getColorSpace());
206 }
207
208 // Test out the SkSpecialImage::makeTextureImage entry point
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture,reporter,ctxInfo)209 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) {
210 GrContext* context = ctxInfo.grContext();
211 GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
212 SkBitmap bm = create_bm();
213
214 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
215
216 {
217 // raster
218 sk_sp<SkSpecialImage> rasterImage(SkSpecialImage::MakeFromRaster(
219 SkIRect::MakeWH(kFullSize,
220 kFullSize),
221 bm));
222
223 {
224 sk_sp<SkSpecialImage> fromRaster(rasterImage->makeTextureImage(context));
225 test_texture_backed(reporter, rasterImage, fromRaster);
226 }
227
228 {
229 sk_sp<SkSpecialImage> subRasterImage(rasterImage->makeSubset(subset));
230
231 sk_sp<SkSpecialImage> fromSubRaster(subRasterImage->makeTextureImage(context));
232 test_texture_backed(reporter, subRasterImage, fromSubRaster);
233 }
234 }
235
236 {
237 // gpu
238 const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(bm.info(), *context->caps());
239
240 sk_sp<GrTextureProxy> proxy = proxyProvider->createTextureProxy(
241 desc, SkBudgeted::kNo, bm.getPixels(), bm.rowBytes());
242 if (!proxy) {
243 return;
244 }
245
246 sk_sp<SkSpecialImage> gpuImage(SkSpecialImage::MakeDeferredFromGpu(
247 context,
248 SkIRect::MakeWH(kFullSize, kFullSize),
249 kNeedNewImageUniqueID_SpecialImage,
250 std::move(proxy), nullptr));
251
252 {
253 sk_sp<SkSpecialImage> fromGPU(gpuImage->makeTextureImage(context));
254 test_texture_backed(reporter, gpuImage, fromGPU);
255 }
256
257 {
258 sk_sp<SkSpecialImage> subGPUImage(gpuImage->makeSubset(subset));
259
260 sk_sp<SkSpecialImage> fromSubGPU(subGPUImage->makeTextureImage(context));
261 test_texture_backed(reporter, subGPUImage, fromSubGPU);
262 }
263 }
264 }
265
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu,reporter,ctxInfo)266 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) {
267 GrContext* context = ctxInfo.grContext();
268 GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
269 SkBitmap bm = create_bm();
270
271 const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(bm.info(), *context->caps());
272
273 sk_sp<GrTextureProxy> proxy = proxyProvider->createTextureProxy(
274 desc, SkBudgeted::kNo, bm.getPixels(), bm.rowBytes());
275 if (!proxy) {
276 return;
277 }
278
279 sk_sp<SkSpecialImage> fullSImg(SkSpecialImage::MakeDeferredFromGpu(
280 context,
281 SkIRect::MakeWH(kFullSize, kFullSize),
282 kNeedNewImageUniqueID_SpecialImage,
283 proxy, nullptr));
284
285 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
286
287 {
288 sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeDeferredFromGpu(
289 context, subset,
290 kNeedNewImageUniqueID_SpecialImage,
291 std::move(proxy), nullptr));
292 test_image(subSImg1, reporter, context, true, kPad, kFullSize);
293 }
294
295 {
296 sk_sp<SkSpecialImage> subSImg2(fullSImg->makeSubset(subset));
297 test_image(subSImg2, reporter, context, true, kPad, kFullSize);
298 }
299 }
300
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_DeferredGpu,reporter,ctxInfo)301 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_DeferredGpu, reporter, ctxInfo) {
302 GrContext* context = ctxInfo.grContext();
303 GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
304 SkBitmap bm = create_bm();
305
306 GrSurfaceDesc desc;
307 desc.fFlags = kNone_GrSurfaceFlags;
308 desc.fOrigin = kTopLeft_GrSurfaceOrigin;
309 desc.fWidth = kFullSize;
310 desc.fHeight = kFullSize;
311 desc.fConfig = kSkia8888_GrPixelConfig;
312
313 sk_sp<GrTextureProxy> proxy = proxyProvider->createTextureProxy(
314 desc, SkBudgeted::kNo, bm.getPixels(), bm.rowBytes());
315 if (!proxy) {
316 return;
317 }
318
319 sk_sp<SkSpecialImage> fullSImg(SkSpecialImage::MakeDeferredFromGpu(
320 context,
321 SkIRect::MakeWH(kFullSize, kFullSize),
322 kNeedNewImageUniqueID_SpecialImage,
323 proxy, nullptr));
324
325 const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
326
327 {
328 sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeDeferredFromGpu(
329 context, subset,
330 kNeedNewImageUniqueID_SpecialImage,
331 std::move(proxy), nullptr));
332 test_image(subSImg1, reporter, context, true, kPad, kFullSize);
333 }
334
335 {
336 sk_sp<SkSpecialImage> subSImg2(fullSImg->makeSubset(subset));
337 test_image(subSImg2, reporter, context, true, kPad, kFullSize);
338 }
339 }
340
341 #endif
342