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 "tests/Test.h"
9
10 #include "include/gpu/GrBackendSurface.h"
11 #include "include/gpu/GrContextOptions.h"
12 #include "include/gpu/GrDirectContext.h"
13 #include "src/gpu/GrDirectContextPriv.h"
14 #include "src/gpu/GrGpu.h"
15 #include "src/gpu/GrProxyProvider.h"
16 #include "src/gpu/GrXferProcessor.h"
17 #include "src/gpu/effects/GrPorterDuffXferProcessor.h"
18 #include "src/gpu/gl/GrGLCaps.h"
19 #include "src/gpu/ops/GrMeshDrawOp.h"
20 #include "tools/gpu/GrContextFactory.h"
21 #include "tools/gpu/ManagedBackendTexture.h"
22
23 ////////////////////////////////////////////////////////////////////////////////
24
25 static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
26 static void test_color_not_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
27 static void test_color_opaque_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
28 static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
29 static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
30 static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const GrCaps& caps);
31
32 DEF_GPUTEST(GrPorterDuff, reporter, /*ctxInfo*/) {
33 GrMockOptions mockOptions;
34 mockOptions.fDualSourceBlendingSupport = true;
35 sk_sp<GrDirectContext> context = GrDirectContext::MakeMock(&mockOptions, GrContextOptions());
36 const GrCaps& caps = *context->priv().getGpu()->caps();
37
38 if (!caps.shaderCaps()->dualSourceBlendingSupport()) {
39 SK_ABORT("Null context does not support dual source blending.");
40 }
41
42 test_color_unknown_with_coverage(reporter, caps);
43 test_color_not_opaque_no_coverage(reporter, caps);
44 test_color_opaque_with_coverage(reporter, caps);
45 test_color_opaque_no_coverage(reporter, caps);
46 test_lcd_coverage(reporter, caps);
47 test_lcd_coverage_fallback_case(reporter, caps);
48 }
49
50 ////////////////////////////////////////////////////////////////////////////////
51
52 #define TEST_ASSERT(...) REPORTER_ASSERT(reporter, __VA_ARGS__)
53
54 enum {
55 kNone_OutputType,
56 kCoverage_OutputType,
57 kModulate_OutputType,
58 kSAModulate_OutputType,
59 kISAModulate_OutputType,
60 kISCModulate_OutputType
61 };
62 static const int kInvalid_OutputType = -1;
63
do_analysis(const GrXPFactory * xpf,const GrProcessorAnalysisColor & colorInput,GrProcessorAnalysisCoverage coverageInput,const GrCaps & caps)64 static GrProcessorSet::Analysis do_analysis(const GrXPFactory* xpf,
65 const GrProcessorAnalysisColor& colorInput,
66 GrProcessorAnalysisCoverage coverageInput,
67 const GrCaps& caps) {
68 GrPaint paint;
69 paint.setXPFactory(xpf);
70 GrProcessorSet procs(std::move(paint));
71 SkPMColor4f overrideColor;
72 GrProcessorSet::Analysis analysis = procs.finalize(
73 colorInput, coverageInput, nullptr, &GrUserStencilSettings::kUnused, caps,
74 GrClampType::kAuto, &overrideColor);
75 return analysis;
76 }
77
78 class GrPorterDuffTest {
79 public:
80 struct XPInfo {
XPInfoGrPorterDuffTest::XPInfo81 XPInfo(skiatest::Reporter* reporter, SkBlendMode xfermode, const GrCaps& caps,
82 GrProcessorAnalysisColor inputColor, GrProcessorAnalysisCoverage inputCoverage) {
83 const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode);
84
85 bool isLCD = GrProcessorAnalysisCoverage::kLCD == inputCoverage;
86
87 GrProcessorSet::Analysis analysis = do_analysis(xpf, inputColor, inputCoverage, caps);
88 fCompatibleWithCoverageAsAlpha = analysis.isCompatibleWithCoverageAsAlpha();
89 fUnaffectedByDstValue = analysis.unaffectedByDstValue();
90 fIgnoresInputColor = analysis.inputColorIsIgnored();
91 sk_sp<const GrXferProcessor> xp(
92 GrXPFactory::MakeXferProcessor(xpf, inputColor, inputCoverage, caps,
93 GrClampType::kAuto));
94 TEST_ASSERT(!analysis.requiresDstTexture() ||
95 (isLCD &&
96 !caps.shaderCaps()->dstReadInShaderSupport() &&
97 (SkBlendMode::kSrcOver != xfermode ||
98 !inputColor.isOpaque())));
99 // Porter Duff modes currently only use fixed-function or shader blending, and Ganesh
100 // doesn't yet make use of framebuffer fetches that require a barrier
101 // (e.g., QCOM_shader_framebuffer_fetch_noncoherent). So dst textures and xfer barriers
102 // should always go hand in hand for Porter Duff modes.
103 TEST_ASSERT(analysis.requiresDstTexture() == analysis.requiresNonOverlappingDraws());
104 GetXPOutputTypes(xp.get(), &fPrimaryOutputType, &fSecondaryOutputType);
105 fBlendInfo = xp->getBlendInfo();
106 TEST_ASSERT(!xp->willReadDstColor() ||
107 (isLCD && (SkBlendMode::kSrcOver != xfermode ||
108 !inputColor.isOpaque())));
109 TEST_ASSERT(xp->hasSecondaryOutput() == GrBlendCoeffRefsSrc2(fBlendInfo.fDstBlend));
110 }
111
112 bool fCompatibleWithCoverageAsAlpha;
113 bool fUnaffectedByDstValue;
114 bool fIgnoresInputColor;
115 int fPrimaryOutputType;
116 int fSecondaryOutputType;
117 GrXferProcessor::BlendInfo fBlendInfo;
118 };
119
GetXPOutputTypes(const GrXferProcessor * xp,int * outPrimary,int * outSecondary)120 static void GetXPOutputTypes(const GrXferProcessor* xp, int* outPrimary, int* outSecondary) {
121 GrPorterDuffXPFactory::TestGetXPOutputTypes(xp, outPrimary, outSecondary);
122 }
123 };
124
test_lcd_coverage(skiatest::Reporter * reporter,const GrCaps & caps)125 static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
126 GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
127 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kLCD;
128
129 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
130 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
131 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
132 switch (xfermode) {
133 case SkBlendMode::kClear:
134 TEST_ASSERT(xpi.fIgnoresInputColor);
135 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
136 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
137 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
138 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
139 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
140 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
141 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
142 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
143 break;
144 case SkBlendMode::kSrc:
145 TEST_ASSERT(!xpi.fIgnoresInputColor);
146 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
147 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
148 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
149 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
150 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
151 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
152 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
153 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
154 break;
155 case SkBlendMode::kDst:
156 TEST_ASSERT(xpi.fIgnoresInputColor);
157 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
158 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
159 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
160 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
161 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
162 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
163 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
164 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
165 break;
166 case SkBlendMode::kSrcOver:
167 TEST_ASSERT(!xpi.fIgnoresInputColor);
168 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
169 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
170 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
171 TEST_ASSERT(kSAModulate_OutputType == xpi.fSecondaryOutputType);
172 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
173 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
174 TEST_ASSERT(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
175 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
176 break;
177 case SkBlendMode::kDstOver:
178 TEST_ASSERT(!xpi.fIgnoresInputColor);
179 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
180 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
181 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
182 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
183 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
184 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
185 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
186 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
187 break;
188 case SkBlendMode::kSrcIn:
189 TEST_ASSERT(!xpi.fIgnoresInputColor);
190 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
191 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
192 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
193 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
194 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
195 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
196 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
197 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
198 break;
199 case SkBlendMode::kDstIn:
200 TEST_ASSERT(!xpi.fIgnoresInputColor);
201 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
202 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
203 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
204 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
205 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
206 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
207 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
208 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
209 break;
210 case SkBlendMode::kSrcOut:
211 TEST_ASSERT(!xpi.fIgnoresInputColor);
212 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
213 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
214 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
215 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
216 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
217 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
218 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
219 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
220 break;
221 case SkBlendMode::kDstOut:
222 TEST_ASSERT(!xpi.fIgnoresInputColor);
223 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
224 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
225 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
226 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
227 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
228 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
229 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
230 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
231 break;
232 case SkBlendMode::kSrcATop:
233 TEST_ASSERT(!xpi.fIgnoresInputColor);
234 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
235 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
236 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
237 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
238 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
239 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
240 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
241 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
242 break;
243 case SkBlendMode::kDstATop:
244 TEST_ASSERT(!xpi.fIgnoresInputColor);
245 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
246 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
247 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
248 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
249 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
250 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
251 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
252 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
253 break;
254 case SkBlendMode::kXor:
255 TEST_ASSERT(!xpi.fIgnoresInputColor);
256 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
257 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
258 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
259 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
260 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
261 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
262 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
263 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
264 break;
265 case SkBlendMode::kPlus:
266 TEST_ASSERT(!xpi.fIgnoresInputColor);
267 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
268 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
269 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
270 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
271 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
272 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
273 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
274 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
275 break;
276 case SkBlendMode::kModulate:
277 TEST_ASSERT(!xpi.fIgnoresInputColor);
278 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
279 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
280 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
281 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
282 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
283 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
284 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
285 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
286 break;
287 case SkBlendMode::kScreen:
288 TEST_ASSERT(!xpi.fIgnoresInputColor);
289 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
290 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
291 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
292 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
293 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
294 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
295 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
296 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
297 break;
298 default:
299 ERRORF(reporter, "Invalid xfermode.");
300 break;
301 }
302 }
303 }
test_color_unknown_with_coverage(skiatest::Reporter * reporter,const GrCaps & caps)304 static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
305 GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kNo;
306 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kSingleChannel;
307
308 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
309 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
310 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
311 switch (xfermode) {
312 case SkBlendMode::kClear:
313 TEST_ASSERT(xpi.fIgnoresInputColor);
314 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
315 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
316 TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType);
317 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
318 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
319 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
320 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
321 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
322 break;
323 case SkBlendMode::kSrc:
324 TEST_ASSERT(!xpi.fIgnoresInputColor);
325 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
326 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
327 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
328 TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType);
329 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
330 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
331 TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
332 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
333 break;
334 case SkBlendMode::kDst:
335 TEST_ASSERT(xpi.fIgnoresInputColor);
336 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
337 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
338 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
339 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
340 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
341 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
342 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
343 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
344 break;
345 case SkBlendMode::kSrcOver:
346 TEST_ASSERT(!xpi.fIgnoresInputColor);
347 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
348 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
349 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
350 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
351 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
352 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
353 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
354 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
355 break;
356 case SkBlendMode::kDstOver:
357 TEST_ASSERT(!xpi.fIgnoresInputColor);
358 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
359 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
360 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
361 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
362 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
363 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
364 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
365 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
366 break;
367 case SkBlendMode::kSrcIn:
368 TEST_ASSERT(!xpi.fIgnoresInputColor);
369 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
370 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
371 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
372 TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType);
373 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
374 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
375 TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
376 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
377 break;
378 case SkBlendMode::kDstIn:
379 TEST_ASSERT(!xpi.fIgnoresInputColor);
380 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
381 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
382 TEST_ASSERT(kISAModulate_OutputType == xpi.fPrimaryOutputType);
383 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
384 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
385 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
386 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
387 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
388 break;
389 case SkBlendMode::kSrcOut:
390 TEST_ASSERT(!xpi.fIgnoresInputColor);
391 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
392 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
393 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
394 TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType);
395 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
396 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
397 TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
398 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
399 break;
400 case SkBlendMode::kDstOut:
401 TEST_ASSERT(!xpi.fIgnoresInputColor);
402 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
403 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
404 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
405 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
406 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
407 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
408 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
409 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
410 break;
411 case SkBlendMode::kSrcATop:
412 TEST_ASSERT(!xpi.fIgnoresInputColor);
413 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
414 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
415 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
416 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
417 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
418 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
419 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
420 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
421 break;
422 case SkBlendMode::kDstATop:
423 TEST_ASSERT(!xpi.fIgnoresInputColor);
424 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
425 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
426 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
427 TEST_ASSERT(kISAModulate_OutputType == xpi.fSecondaryOutputType);
428 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
429 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
430 TEST_ASSERT(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
431 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
432 break;
433 case SkBlendMode::kXor:
434 TEST_ASSERT(!xpi.fIgnoresInputColor);
435 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
436 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
437 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
438 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
439 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
440 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
441 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
442 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
443 break;
444 case SkBlendMode::kPlus:
445 TEST_ASSERT(!xpi.fIgnoresInputColor);
446 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
447 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
448 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
449 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
450 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
451 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
452 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
453 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
454 break;
455 case SkBlendMode::kModulate:
456 TEST_ASSERT(!xpi.fIgnoresInputColor);
457 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
458 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
459 TEST_ASSERT(kISCModulate_OutputType == xpi.fPrimaryOutputType);
460 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
461 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
462 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
463 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
464 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
465 break;
466 case SkBlendMode::kScreen:
467 TEST_ASSERT(!xpi.fIgnoresInputColor);
468 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
469 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
470 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
471 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
472 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
473 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
474 TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
475 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
476 break;
477 default:
478 ERRORF(reporter, "Invalid xfermode.");
479 break;
480 }
481 }
482 }
483
test_color_not_opaque_no_coverage(skiatest::Reporter * reporter,const GrCaps & caps)484 static void test_color_not_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
485 GrProcessorAnalysisColor inputColor(
486 SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(229, 0, 154, 240)));
487 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kNone;
488
489 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
490 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
491 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
492 switch (xfermode) {
493 case SkBlendMode::kClear:
494 TEST_ASSERT(xpi.fIgnoresInputColor);
495 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
496 TEST_ASSERT(xpi.fUnaffectedByDstValue);
497 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
498 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
499 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
500 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
501 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
502 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
503 break;
504 case SkBlendMode::kSrc:
505 TEST_ASSERT(!xpi.fIgnoresInputColor);
506 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
507 TEST_ASSERT(xpi.fUnaffectedByDstValue);
508 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
509 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
510 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
511 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
512 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
513 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
514 break;
515 case SkBlendMode::kDst:
516 TEST_ASSERT(xpi.fIgnoresInputColor);
517 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
518 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
519 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
520 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
521 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
522 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
523 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
524 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
525 break;
526 case SkBlendMode::kSrcOver:
527 TEST_ASSERT(!xpi.fIgnoresInputColor);
528 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
529 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
530 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
531 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
532 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
533 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
534 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
535 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
536 break;
537 case SkBlendMode::kDstOver:
538 TEST_ASSERT(!xpi.fIgnoresInputColor);
539 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
540 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
541 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
542 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
543 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
544 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
545 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
546 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
547 break;
548 case SkBlendMode::kSrcIn:
549 TEST_ASSERT(!xpi.fIgnoresInputColor);
550 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
551 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
552 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
553 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
554 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
555 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
556 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
557 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
558 break;
559 case SkBlendMode::kDstIn:
560 TEST_ASSERT(!xpi.fIgnoresInputColor);
561 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
562 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
563 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
564 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
565 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
566 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
567 TEST_ASSERT(kSA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
568 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
569 break;
570 case SkBlendMode::kSrcOut:
571 TEST_ASSERT(!xpi.fIgnoresInputColor);
572 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
573 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
574 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
575 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
576 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
577 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
578 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
579 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
580 break;
581 case SkBlendMode::kDstOut:
582 TEST_ASSERT(!xpi.fIgnoresInputColor);
583 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
584 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
585 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
586 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
587 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
588 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
589 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
590 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
591 break;
592 case SkBlendMode::kSrcATop:
593 TEST_ASSERT(!xpi.fIgnoresInputColor);
594 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
595 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
596 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
597 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
598 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
599 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
600 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
601 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
602 break;
603 case SkBlendMode::kDstATop:
604 TEST_ASSERT(!xpi.fIgnoresInputColor);
605 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
606 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
607 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
608 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
609 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
610 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
611 TEST_ASSERT(kSA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
612 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
613 break;
614 case SkBlendMode::kXor:
615 TEST_ASSERT(!xpi.fIgnoresInputColor);
616 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
617 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
618 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
619 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
620 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
621 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
622 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
623 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
624 break;
625 case SkBlendMode::kPlus:
626 TEST_ASSERT(!xpi.fIgnoresInputColor);
627 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
628 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
629 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
630 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
631 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
632 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
633 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
634 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
635 break;
636 case SkBlendMode::kModulate:
637 TEST_ASSERT(!xpi.fIgnoresInputColor);
638 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
639 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
640 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
641 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
642 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
643 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
644 TEST_ASSERT(kSC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
645 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
646 break;
647 case SkBlendMode::kScreen:
648 TEST_ASSERT(!xpi.fIgnoresInputColor);
649 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
650 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
651 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
652 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
653 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
654 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
655 TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
656 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
657 break;
658 default:
659 ERRORF(reporter, "Invalid xfermode.");
660 break;
661 }
662 }
663 }
664
test_color_opaque_with_coverage(skiatest::Reporter * reporter,const GrCaps & caps)665 static void test_color_opaque_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
666 GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
667 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kSingleChannel;
668
669 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
670 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
671 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
672 switch (xfermode) {
673 case SkBlendMode::kClear:
674 TEST_ASSERT(xpi.fIgnoresInputColor);
675 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
676 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
677 TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType);
678 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
679 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
680 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
681 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
682 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
683 break;
684 case SkBlendMode::kSrc:
685 TEST_ASSERT(!xpi.fIgnoresInputColor);
686 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
687 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
688 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
689 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
690 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
691 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
692 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
693 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
694 break;
695 case SkBlendMode::kDst:
696 TEST_ASSERT(xpi.fIgnoresInputColor);
697 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
698 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
699 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
700 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
701 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
702 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
703 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
704 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
705 break;
706 case SkBlendMode::kSrcOver:
707 TEST_ASSERT(!xpi.fIgnoresInputColor);
708 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
709 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
710 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
711 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
712 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
713 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
714 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
715 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
716 break;
717 case SkBlendMode::kDstOver:
718 TEST_ASSERT(!xpi.fIgnoresInputColor);
719 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
720 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
721 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
722 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
723 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
724 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
725 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
726 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
727 break;
728 case SkBlendMode::kSrcIn:
729 TEST_ASSERT(!xpi.fIgnoresInputColor);
730 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
731 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
732 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
733 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
734 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
735 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
736 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
737 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
738 break;
739 case SkBlendMode::kDstIn:
740 TEST_ASSERT(xpi.fIgnoresInputColor);
741 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
742 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
743 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
744 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
745 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
746 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
747 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
748 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
749 break;
750 case SkBlendMode::kSrcOut:
751 TEST_ASSERT(!xpi.fIgnoresInputColor);
752 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
753 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
754 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
755 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
756 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
757 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
758 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
759 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
760 break;
761 case SkBlendMode::kDstOut:
762 TEST_ASSERT(xpi.fIgnoresInputColor);
763 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
764 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
765 TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType);
766 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
767 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
768 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
769 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
770 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
771 break;
772 case SkBlendMode::kSrcATop:
773 TEST_ASSERT(!xpi.fIgnoresInputColor);
774 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
775 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
776 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
777 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
778 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
779 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
780 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
781 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
782 break;
783 case SkBlendMode::kDstATop:
784 TEST_ASSERT(!xpi.fIgnoresInputColor);
785 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
786 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
787 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
788 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
789 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
790 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
791 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
792 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
793 break;
794 case SkBlendMode::kXor:
795 TEST_ASSERT(!xpi.fIgnoresInputColor);
796 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
797 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
798 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
799 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
800 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
801 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
802 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
803 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
804 break;
805 case SkBlendMode::kPlus:
806 TEST_ASSERT(!xpi.fIgnoresInputColor);
807 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
808 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
809 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
810 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
811 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
812 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
813 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
814 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
815 break;
816 case SkBlendMode::kModulate:
817 TEST_ASSERT(!xpi.fIgnoresInputColor);
818 TEST_ASSERT(kISCModulate_OutputType == xpi.fPrimaryOutputType);
819 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
820 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
821 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
822 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
823 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
824 break;
825 case SkBlendMode::kScreen:
826 TEST_ASSERT(!xpi.fIgnoresInputColor);
827 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
828 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
829 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
830 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
831 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
832 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
833 TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
834 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
835 break;
836 default:
837 ERRORF(reporter, "Invalid xfermode.");
838 break;
839 }
840 }
841 }
842
test_color_opaque_no_coverage(skiatest::Reporter * reporter,const GrCaps & caps)843 static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
844 GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
845 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kNone;
846
847 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
848 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
849 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
850
851 switch (xfermode) {
852 case SkBlendMode::kClear:
853 TEST_ASSERT(xpi.fIgnoresInputColor);
854 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
855 TEST_ASSERT(xpi.fUnaffectedByDstValue);
856 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
857 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
858 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
859 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
860 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
861 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
862 break;
863 case SkBlendMode::kSrc:
864 TEST_ASSERT(!xpi.fIgnoresInputColor);
865 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
866 TEST_ASSERT(xpi.fUnaffectedByDstValue);
867 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
868 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
869 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
870 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
871 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
872 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
873 break;
874 case SkBlendMode::kDst:
875 TEST_ASSERT(xpi.fIgnoresInputColor);
876 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
877 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
878 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
879 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
880 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
881 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
882 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
883 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
884 break;
885 case SkBlendMode::kSrcOver:
886 // We don't specialize opaque src-over. See note in GrPorterDuffXferProcessor.cpp
887 TEST_ASSERT(!xpi.fIgnoresInputColor);
888 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
889 TEST_ASSERT(xpi.fUnaffectedByDstValue);
890 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
891 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
892 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
893 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
894 if (caps.shouldCollapseSrcOverToSrcWhenAble()) {
895 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
896 } else {
897 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
898 }
899 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
900 break;
901 case SkBlendMode::kDstOver:
902 TEST_ASSERT(!xpi.fIgnoresInputColor);
903 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
904 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
905 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
906 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
907 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
908 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
909 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
910 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
911 break;
912 case SkBlendMode::kSrcIn:
913 TEST_ASSERT(!xpi.fIgnoresInputColor);
914 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
915 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
916 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
917 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
918 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
919 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
920 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
921 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
922 break;
923 case SkBlendMode::kDstIn:
924 TEST_ASSERT(xpi.fIgnoresInputColor);
925 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
926 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
927 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
928 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
929 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
930 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
931 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
932 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
933 break;
934 case SkBlendMode::kSrcOut:
935 TEST_ASSERT(!xpi.fIgnoresInputColor);
936 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
937 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
938 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
939 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
940 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
941 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
942 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
943 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
944 break;
945 case SkBlendMode::kDstOut:
946 TEST_ASSERT(xpi.fIgnoresInputColor);
947 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
948 TEST_ASSERT(xpi.fUnaffectedByDstValue);
949 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
950 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
951 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
952 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
953 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
954 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
955 break;
956 case SkBlendMode::kSrcATop:
957 TEST_ASSERT(!xpi.fIgnoresInputColor);
958 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
959 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
960 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
961 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
962 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
963 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
964 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
965 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
966 break;
967 case SkBlendMode::kDstATop:
968 TEST_ASSERT(!xpi.fIgnoresInputColor);
969 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
970 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
971 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
972 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
973 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
974 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
975 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
976 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
977 break;
978 case SkBlendMode::kXor:
979 TEST_ASSERT(!xpi.fIgnoresInputColor);
980 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
981 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
982 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
983 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
984 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
985 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
986 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
987 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
988 break;
989 case SkBlendMode::kPlus:
990 TEST_ASSERT(!xpi.fIgnoresInputColor);
991 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
992 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
993 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
994 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
995 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
996 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
997 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
998 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
999 break;
1000 case SkBlendMode::kModulate:
1001 TEST_ASSERT(!xpi.fIgnoresInputColor);
1002 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
1003 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
1004 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
1005 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
1006 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
1007 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
1008 TEST_ASSERT(kSC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
1009 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
1010 break;
1011 case SkBlendMode::kScreen:
1012 TEST_ASSERT(!xpi.fIgnoresInputColor);
1013 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
1014 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
1015 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
1016 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
1017 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
1018 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
1019 TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
1020 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
1021 break;
1022 default:
1023 ERRORF(reporter, "Invalid xfermode.");
1024 break;
1025 }
1026 }
1027 }
1028
test_lcd_coverage_fallback_case(skiatest::Reporter * reporter,const GrCaps & caps)1029 static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const GrCaps& caps) {
1030 constexpr GrClampType autoClamp = GrClampType::kAuto;
1031 const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(SkBlendMode::kSrcOver);
1032 GrProcessorAnalysisColor color = SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(123, 45, 67, 255));
1033 GrProcessorAnalysisCoverage coverage = GrProcessorAnalysisCoverage::kLCD;
1034 TEST_ASSERT(!(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps, autoClamp) &
1035 GrXPFactory::AnalysisProperties::kRequiresDstTexture));
1036 sk_sp<const GrXferProcessor> xp_opaque(
1037 GrXPFactory::MakeXferProcessor(xpf, color, coverage, caps, autoClamp));
1038 if (!xp_opaque) {
1039 ERRORF(reporter, "Failed to create an XP with LCD coverage.");
1040 return;
1041 }
1042
1043 GrXferProcessor::BlendInfo blendInfo = xp_opaque->getBlendInfo();
1044 TEST_ASSERT(blendInfo.fWriteColor);
1045
1046 // Test with non-opaque alpha
1047 color = SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(123, 45, 67, 221));
1048 coverage = GrProcessorAnalysisCoverage::kLCD;
1049 TEST_ASSERT(!(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps, autoClamp) &
1050 GrXPFactory::AnalysisProperties::kRequiresDstTexture));
1051 sk_sp<const GrXferProcessor> xp(
1052 GrXPFactory::MakeXferProcessor(xpf, color, coverage, caps, autoClamp));
1053 if (!xp) {
1054 ERRORF(reporter, "Failed to create an XP with LCD coverage.");
1055 return;
1056 }
1057
1058 blendInfo = xp->getBlendInfo();
1059 TEST_ASSERT(blendInfo.fWriteColor);
1060 }
1061
DEF_GPUTEST(PorterDuffNoDualSourceBlending,reporter,options)1062 DEF_GPUTEST(PorterDuffNoDualSourceBlending, reporter, options) {
1063 GrContextOptions opts = options;
1064 opts.fSuppressDualSourceBlending = true;
1065 sk_gpu_test::GrContextFactory mockFactory(opts);
1066 auto ctx = mockFactory.get(sk_gpu_test::GrContextFactory::kMock_ContextType);
1067 if (!ctx) {
1068 SK_ABORT("Failed to create mock context without ARB_blend_func_extended.");
1069 }
1070
1071 GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
1072 const GrCaps& caps = *ctx->priv().caps();
1073 if (caps.shaderCaps()->dualSourceBlendingSupport()) {
1074 SK_ABORT("Mock context failed to honor request for no ARB_blend_func_extended.");
1075 }
1076
1077 auto mbet = sk_gpu_test::ManagedBackendTexture::MakeWithoutData(
1078 ctx, 100, 100, kRGBA_8888_SkColorType, GrMipmapped::kNo, GrRenderable::kNo);
1079 if (!mbet) {
1080 ERRORF(reporter, "Could not make texture.");
1081 return;
1082 }
1083 GrXferProcessor::DstProxyView fakeDstProxyView;
1084 {
1085 sk_sp<GrTextureProxy> proxy = proxyProvider->wrapBackendTexture(
1086 mbet->texture(), kBorrow_GrWrapOwnership, GrWrapCacheable::kNo, kRead_GrIOType,
1087 mbet->refCountedCallback());
1088 GrSwizzle swizzle =
1089 caps.getReadSwizzle(mbet->texture().getBackendFormat(), GrColorType::kRGBA_8888);
1090 fakeDstProxyView.setProxyView({std::move(proxy), kTopLeft_GrSurfaceOrigin, swizzle});
1091 }
1092
1093 static const GrProcessorAnalysisColor colorInputs[] = {
1094 GrProcessorAnalysisColor::Opaque::kNo, GrProcessorAnalysisColor::Opaque::kYes,
1095 GrProcessorAnalysisColor(SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(0, 82, 17, 100))),
1096 GrProcessorAnalysisColor(SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(0, 82, 17, 255)))};
1097
1098 for (const auto& colorInput : colorInputs) {
1099 for (GrProcessorAnalysisCoverage coverageType :
1100 {GrProcessorAnalysisCoverage::kSingleChannel, GrProcessorAnalysisCoverage::kNone}) {
1101 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
1102 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
1103 const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode);
1104 sk_sp<const GrXferProcessor> xp(
1105 GrXPFactory::MakeXferProcessor(xpf, colorInput, coverageType, caps,
1106 GrClampType::kAuto));
1107 if (!xp) {
1108 ERRORF(reporter, "Failed to create an XP without dual source blending.");
1109 return;
1110 }
1111 TEST_ASSERT(!xp->hasSecondaryOutput());
1112 }
1113 }
1114 }
1115 }
1116