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 "tools/gpu/GrContextFactory.h"
19 #include "tools/gpu/ManagedBackendTexture.h"
20
21 ////////////////////////////////////////////////////////////////////////////////
22
23 static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
24 static void test_color_not_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
25 static void test_color_opaque_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
26 static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
27 static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
28 static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const GrCaps& caps);
29
30 DEF_GPUTEST(GrPorterDuff, reporter, /*ctxInfo*/) {
31 GrMockOptions mockOptions;
32 mockOptions.fDualSourceBlendingSupport = true;
33 sk_sp<GrDirectContext> context = GrDirectContext::MakeMock(&mockOptions, GrContextOptions());
34 const GrCaps& caps = *context->priv().getGpu()->caps();
35
36 if (!caps.shaderCaps()->dualSourceBlendingSupport()) {
37 SK_ABORT("Null context does not support dual source blending.");
38 }
39
40 test_color_unknown_with_coverage(reporter, caps);
41 test_color_not_opaque_no_coverage(reporter, caps);
42 test_color_opaque_with_coverage(reporter, caps);
43 test_color_opaque_no_coverage(reporter, caps);
44 test_lcd_coverage(reporter, caps);
45 test_lcd_coverage_fallback_case(reporter, caps);
46 }
47
48 ////////////////////////////////////////////////////////////////////////////////
49
50 #define TEST_ASSERT(...) REPORTER_ASSERT(reporter, __VA_ARGS__)
51
52 enum {
53 kNone_OutputType,
54 kCoverage_OutputType,
55 kModulate_OutputType,
56 kSAModulate_OutputType,
57 kISAModulate_OutputType,
58 kISCModulate_OutputType
59 };
60 static const int kInvalid_OutputType = -1;
61
do_analysis(const GrXPFactory * xpf,const GrProcessorAnalysisColor & colorInput,GrProcessorAnalysisCoverage coverageInput,const GrCaps & caps)62 static GrProcessorSet::Analysis do_analysis(const GrXPFactory* xpf,
63 const GrProcessorAnalysisColor& colorInput,
64 GrProcessorAnalysisCoverage coverageInput,
65 const GrCaps& caps) {
66 GrPaint paint;
67 paint.setXPFactory(xpf);
68 GrProcessorSet procs(std::move(paint));
69 SkPMColor4f overrideColor;
70 GrProcessorSet::Analysis analysis = procs.finalize(
71 colorInput, coverageInput, nullptr, &GrUserStencilSettings::kUnused, caps,
72 GrClampType::kAuto, &overrideColor);
73 return analysis;
74 }
75
76 class GrPorterDuffTest {
77 public:
78 struct XPInfo {
XPInfoGrPorterDuffTest::XPInfo79 XPInfo(skiatest::Reporter* reporter, SkBlendMode xfermode, const GrCaps& caps,
80 GrProcessorAnalysisColor inputColor, GrProcessorAnalysisCoverage inputCoverage) {
81 const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode);
82
83 bool isLCD = GrProcessorAnalysisCoverage::kLCD == inputCoverage;
84
85 GrProcessorSet::Analysis analysis = do_analysis(xpf, inputColor, inputCoverage, caps);
86 fCompatibleWithCoverageAsAlpha = analysis.isCompatibleWithCoverageAsAlpha();
87 fUnaffectedByDstValue = analysis.unaffectedByDstValue();
88 fIgnoresInputColor = analysis.inputColorIsIgnored();
89 sk_sp<const GrXferProcessor> xp(
90 GrXPFactory::MakeXferProcessor(xpf, inputColor, inputCoverage, caps,
91 GrClampType::kAuto));
92 TEST_ASSERT(!analysis.requiresDstTexture() ||
93 (isLCD &&
94 !caps.shaderCaps()->dstReadInShaderSupport() &&
95 (SkBlendMode::kSrcOver != xfermode ||
96 !inputColor.isOpaque())));
97 // Porter Duff modes currently only use fixed-function or shader blending, and Ganesh
98 // doesn't yet make use of framebuffer fetches that require a barrier
99 // (e.g., QCOM_shader_framebuffer_fetch_noncoherent). So dst textures and xfer barriers
100 // should always go hand in hand for Porter Duff modes.
101 TEST_ASSERT(analysis.requiresDstTexture() == analysis.requiresNonOverlappingDraws());
102 GetXPOutputTypes(xp.get(), &fPrimaryOutputType, &fSecondaryOutputType);
103 fBlendInfo = xp->getBlendInfo();
104 TEST_ASSERT(!xp->willReadDstColor() ||
105 (isLCD && (SkBlendMode::kSrcOver != xfermode ||
106 !inputColor.isOpaque())));
107 TEST_ASSERT(xp->hasSecondaryOutput() == GrBlendCoeffRefsSrc2(fBlendInfo.fDstBlend));
108 }
109
110 bool fCompatibleWithCoverageAsAlpha;
111 bool fUnaffectedByDstValue;
112 bool fIgnoresInputColor;
113 int fPrimaryOutputType;
114 int fSecondaryOutputType;
115 GrXferProcessor::BlendInfo fBlendInfo;
116 };
117
GetXPOutputTypes(const GrXferProcessor * xp,int * outPrimary,int * outSecondary)118 static void GetXPOutputTypes(const GrXferProcessor* xp, int* outPrimary, int* outSecondary) {
119 GrPorterDuffXPFactory::TestGetXPOutputTypes(xp, outPrimary, outSecondary);
120 }
121 };
122
test_lcd_coverage(skiatest::Reporter * reporter,const GrCaps & caps)123 static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
124 GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
125 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kLCD;
126
127 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
128 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
129 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
130 switch (xfermode) {
131 case SkBlendMode::kClear:
132 TEST_ASSERT(xpi.fIgnoresInputColor);
133 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
134 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
135 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
136 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
137 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
138 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
139 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
140 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
141 break;
142 case SkBlendMode::kSrc:
143 TEST_ASSERT(!xpi.fIgnoresInputColor);
144 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
145 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
146 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
147 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
148 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
149 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
150 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
151 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
152 break;
153 case SkBlendMode::kDst:
154 TEST_ASSERT(xpi.fIgnoresInputColor);
155 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
156 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
157 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
158 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
159 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
160 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
161 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
162 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
163 break;
164 case SkBlendMode::kSrcOver:
165 TEST_ASSERT(!xpi.fIgnoresInputColor);
166 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
167 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
168 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
169 TEST_ASSERT(kSAModulate_OutputType == xpi.fSecondaryOutputType);
170 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
171 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
172 TEST_ASSERT(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
173 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
174 break;
175 case SkBlendMode::kDstOver:
176 TEST_ASSERT(!xpi.fIgnoresInputColor);
177 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
178 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
179 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
180 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
181 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
182 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
183 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
184 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
185 break;
186 case SkBlendMode::kSrcIn:
187 TEST_ASSERT(!xpi.fIgnoresInputColor);
188 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
189 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
190 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
191 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
192 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
193 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
194 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
195 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
196 break;
197 case SkBlendMode::kDstIn:
198 TEST_ASSERT(!xpi.fIgnoresInputColor);
199 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
200 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
201 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
202 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
203 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
204 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
205 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
206 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
207 break;
208 case SkBlendMode::kSrcOut:
209 TEST_ASSERT(!xpi.fIgnoresInputColor);
210 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
211 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
212 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
213 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
214 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
215 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
216 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
217 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
218 break;
219 case SkBlendMode::kDstOut:
220 TEST_ASSERT(!xpi.fIgnoresInputColor);
221 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
222 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
223 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
224 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
225 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
226 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
227 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
228 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
229 break;
230 case SkBlendMode::kSrcATop:
231 TEST_ASSERT(!xpi.fIgnoresInputColor);
232 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
233 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
234 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
235 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
236 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
237 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
238 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
239 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
240 break;
241 case SkBlendMode::kDstATop:
242 TEST_ASSERT(!xpi.fIgnoresInputColor);
243 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
244 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
245 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
246 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
247 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
248 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
249 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
250 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
251 break;
252 case SkBlendMode::kXor:
253 TEST_ASSERT(!xpi.fIgnoresInputColor);
254 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
255 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
256 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
257 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
258 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
259 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
260 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
261 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
262 break;
263 case SkBlendMode::kPlus:
264 TEST_ASSERT(!xpi.fIgnoresInputColor);
265 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
266 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
267 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
268 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
269 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
270 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
271 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
272 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
273 break;
274 case SkBlendMode::kModulate:
275 TEST_ASSERT(!xpi.fIgnoresInputColor);
276 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
277 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
278 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
279 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
280 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
281 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
282 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
283 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
284 break;
285 case SkBlendMode::kScreen:
286 TEST_ASSERT(!xpi.fIgnoresInputColor);
287 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
288 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
289 TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
290 TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
291 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
292 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
293 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
294 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
295 break;
296 default:
297 ERRORF(reporter, "Invalid xfermode.");
298 break;
299 }
300 }
301 }
test_color_unknown_with_coverage(skiatest::Reporter * reporter,const GrCaps & caps)302 static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
303 GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kNo;
304 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kSingleChannel;
305
306 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
307 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
308 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
309 switch (xfermode) {
310 case SkBlendMode::kClear:
311 TEST_ASSERT(xpi.fIgnoresInputColor);
312 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
313 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
314 TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType);
315 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
316 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
317 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
318 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
319 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
320 break;
321 case SkBlendMode::kSrc:
322 TEST_ASSERT(!xpi.fIgnoresInputColor);
323 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
324 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
325 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
326 TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType);
327 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
328 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
329 TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
330 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
331 break;
332 case SkBlendMode::kDst:
333 TEST_ASSERT(xpi.fIgnoresInputColor);
334 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
335 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
336 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
337 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
338 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
339 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
340 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
341 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
342 break;
343 case SkBlendMode::kSrcOver:
344 TEST_ASSERT(!xpi.fIgnoresInputColor);
345 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
346 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
347 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
348 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
349 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
350 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
351 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
352 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
353 break;
354 case SkBlendMode::kDstOver:
355 TEST_ASSERT(!xpi.fIgnoresInputColor);
356 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
357 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
358 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
359 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
360 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
361 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
362 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
363 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
364 break;
365 case SkBlendMode::kSrcIn:
366 TEST_ASSERT(!xpi.fIgnoresInputColor);
367 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
368 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
369 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
370 TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType);
371 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
372 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
373 TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
374 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
375 break;
376 case SkBlendMode::kDstIn:
377 TEST_ASSERT(!xpi.fIgnoresInputColor);
378 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
379 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
380 TEST_ASSERT(kISAModulate_OutputType == xpi.fPrimaryOutputType);
381 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
382 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
383 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
384 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
385 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
386 break;
387 case SkBlendMode::kSrcOut:
388 TEST_ASSERT(!xpi.fIgnoresInputColor);
389 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
390 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
391 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
392 TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType);
393 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
394 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
395 TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
396 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
397 break;
398 case SkBlendMode::kDstOut:
399 TEST_ASSERT(!xpi.fIgnoresInputColor);
400 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
401 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
402 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
403 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
404 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
405 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
406 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
407 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
408 break;
409 case SkBlendMode::kSrcATop:
410 TEST_ASSERT(!xpi.fIgnoresInputColor);
411 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
412 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
413 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
414 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
415 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
416 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
417 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
418 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
419 break;
420 case SkBlendMode::kDstATop:
421 TEST_ASSERT(!xpi.fIgnoresInputColor);
422 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
423 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
424 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
425 TEST_ASSERT(kISAModulate_OutputType == xpi.fSecondaryOutputType);
426 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
427 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
428 TEST_ASSERT(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
429 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
430 break;
431 case SkBlendMode::kXor:
432 TEST_ASSERT(!xpi.fIgnoresInputColor);
433 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
434 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
435 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
436 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
437 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
438 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
439 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
440 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
441 break;
442 case SkBlendMode::kPlus:
443 TEST_ASSERT(!xpi.fIgnoresInputColor);
444 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
445 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
446 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
447 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
448 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
449 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
450 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
451 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
452 break;
453 case SkBlendMode::kModulate:
454 TEST_ASSERT(!xpi.fIgnoresInputColor);
455 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
456 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
457 TEST_ASSERT(kISCModulate_OutputType == xpi.fPrimaryOutputType);
458 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
459 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
460 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
461 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
462 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
463 break;
464 case SkBlendMode::kScreen:
465 TEST_ASSERT(!xpi.fIgnoresInputColor);
466 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
467 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
468 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
469 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
470 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
471 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
472 TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
473 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
474 break;
475 default:
476 ERRORF(reporter, "Invalid xfermode.");
477 break;
478 }
479 }
480 }
481
test_color_not_opaque_no_coverage(skiatest::Reporter * reporter,const GrCaps & caps)482 static void test_color_not_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
483 GrProcessorAnalysisColor inputColor(
484 SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(229, 0, 154, 240)));
485 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kNone;
486
487 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
488 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
489 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
490 switch (xfermode) {
491 case SkBlendMode::kClear:
492 TEST_ASSERT(xpi.fIgnoresInputColor);
493 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
494 TEST_ASSERT(xpi.fUnaffectedByDstValue);
495 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
496 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
497 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
498 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
499 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
500 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
501 break;
502 case SkBlendMode::kSrc:
503 TEST_ASSERT(!xpi.fIgnoresInputColor);
504 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
505 TEST_ASSERT(xpi.fUnaffectedByDstValue);
506 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
507 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
508 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
509 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
510 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
511 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
512 break;
513 case SkBlendMode::kDst:
514 TEST_ASSERT(xpi.fIgnoresInputColor);
515 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
516 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
517 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
518 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
519 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
520 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
521 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
522 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
523 break;
524 case SkBlendMode::kSrcOver:
525 TEST_ASSERT(!xpi.fIgnoresInputColor);
526 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
527 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
528 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
529 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
530 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
531 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
532 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
533 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
534 break;
535 case SkBlendMode::kDstOver:
536 TEST_ASSERT(!xpi.fIgnoresInputColor);
537 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
538 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
539 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
540 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
541 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
542 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
543 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
544 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
545 break;
546 case SkBlendMode::kSrcIn:
547 TEST_ASSERT(!xpi.fIgnoresInputColor);
548 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
549 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
550 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
551 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
552 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
553 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
554 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
555 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
556 break;
557 case SkBlendMode::kDstIn:
558 TEST_ASSERT(!xpi.fIgnoresInputColor);
559 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
560 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
561 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
562 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
563 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
564 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
565 TEST_ASSERT(kSA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
566 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
567 break;
568 case SkBlendMode::kSrcOut:
569 TEST_ASSERT(!xpi.fIgnoresInputColor);
570 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
571 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
572 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
573 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
574 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
575 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
576 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
577 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
578 break;
579 case SkBlendMode::kDstOut:
580 TEST_ASSERT(!xpi.fIgnoresInputColor);
581 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
582 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
583 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
584 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
585 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
586 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
587 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
588 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
589 break;
590 case SkBlendMode::kSrcATop:
591 TEST_ASSERT(!xpi.fIgnoresInputColor);
592 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
593 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
594 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
595 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
596 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
597 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
598 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
599 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
600 break;
601 case SkBlendMode::kDstATop:
602 TEST_ASSERT(!xpi.fIgnoresInputColor);
603 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
604 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
605 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
606 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
607 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
608 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
609 TEST_ASSERT(kSA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
610 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
611 break;
612 case SkBlendMode::kXor:
613 TEST_ASSERT(!xpi.fIgnoresInputColor);
614 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
615 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
616 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
617 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
618 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
619 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
620 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
621 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
622 break;
623 case SkBlendMode::kPlus:
624 TEST_ASSERT(!xpi.fIgnoresInputColor);
625 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
626 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
627 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
628 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
629 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
630 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
631 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
632 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
633 break;
634 case SkBlendMode::kModulate:
635 TEST_ASSERT(!xpi.fIgnoresInputColor);
636 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
637 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
638 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
639 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
640 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
641 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
642 TEST_ASSERT(kSC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
643 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
644 break;
645 case SkBlendMode::kScreen:
646 TEST_ASSERT(!xpi.fIgnoresInputColor);
647 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
648 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
649 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
650 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
651 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
652 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
653 TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
654 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
655 break;
656 default:
657 ERRORF(reporter, "Invalid xfermode.");
658 break;
659 }
660 }
661 }
662
test_color_opaque_with_coverage(skiatest::Reporter * reporter,const GrCaps & caps)663 static void test_color_opaque_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
664 GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
665 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kSingleChannel;
666
667 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
668 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
669 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
670 switch (xfermode) {
671 case SkBlendMode::kClear:
672 TEST_ASSERT(xpi.fIgnoresInputColor);
673 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
674 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
675 TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType);
676 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
677 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
678 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
679 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
680 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
681 break;
682 case SkBlendMode::kSrc:
683 TEST_ASSERT(!xpi.fIgnoresInputColor);
684 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
685 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
686 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
687 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
688 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
689 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
690 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
691 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
692 break;
693 case SkBlendMode::kDst:
694 TEST_ASSERT(xpi.fIgnoresInputColor);
695 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
696 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
697 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
698 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
699 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
700 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
701 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
702 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
703 break;
704 case SkBlendMode::kSrcOver:
705 TEST_ASSERT(!xpi.fIgnoresInputColor);
706 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
707 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
708 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
709 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
710 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
711 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
712 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
713 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
714 break;
715 case SkBlendMode::kDstOver:
716 TEST_ASSERT(!xpi.fIgnoresInputColor);
717 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
718 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
719 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
720 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
721 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
722 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
723 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
724 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
725 break;
726 case SkBlendMode::kSrcIn:
727 TEST_ASSERT(!xpi.fIgnoresInputColor);
728 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
729 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
730 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
731 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
732 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
733 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
734 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
735 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
736 break;
737 case SkBlendMode::kDstIn:
738 TEST_ASSERT(xpi.fIgnoresInputColor);
739 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
740 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
741 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
742 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
743 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
744 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
745 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
746 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
747 break;
748 case SkBlendMode::kSrcOut:
749 TEST_ASSERT(!xpi.fIgnoresInputColor);
750 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
751 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
752 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
753 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
754 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
755 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
756 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
757 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
758 break;
759 case SkBlendMode::kDstOut:
760 TEST_ASSERT(xpi.fIgnoresInputColor);
761 TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
762 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
763 TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType);
764 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
765 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
766 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
767 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
768 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
769 break;
770 case SkBlendMode::kSrcATop:
771 TEST_ASSERT(!xpi.fIgnoresInputColor);
772 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
773 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
774 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
775 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
776 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
777 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
778 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
779 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
780 break;
781 case SkBlendMode::kDstATop:
782 TEST_ASSERT(!xpi.fIgnoresInputColor);
783 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
784 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
785 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
786 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
787 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
788 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
789 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
790 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
791 break;
792 case SkBlendMode::kXor:
793 TEST_ASSERT(!xpi.fIgnoresInputColor);
794 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
795 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
796 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
797 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
798 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
799 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
800 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
801 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
802 break;
803 case SkBlendMode::kPlus:
804 TEST_ASSERT(!xpi.fIgnoresInputColor);
805 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
806 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
807 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
808 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
809 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
810 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
811 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
812 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
813 break;
814 case SkBlendMode::kModulate:
815 TEST_ASSERT(!xpi.fIgnoresInputColor);
816 TEST_ASSERT(kISCModulate_OutputType == xpi.fPrimaryOutputType);
817 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
818 TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
819 TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
820 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
821 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
822 break;
823 case SkBlendMode::kScreen:
824 TEST_ASSERT(!xpi.fIgnoresInputColor);
825 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
826 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
827 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
828 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
829 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
830 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
831 TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
832 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
833 break;
834 default:
835 ERRORF(reporter, "Invalid xfermode.");
836 break;
837 }
838 }
839 }
840
test_color_opaque_no_coverage(skiatest::Reporter * reporter,const GrCaps & caps)841 static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
842 GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
843 GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kNone;
844
845 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
846 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
847 const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
848
849 switch (xfermode) {
850 case SkBlendMode::kClear:
851 TEST_ASSERT(xpi.fIgnoresInputColor);
852 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
853 TEST_ASSERT(xpi.fUnaffectedByDstValue);
854 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
855 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
856 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
857 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
858 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
859 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
860 break;
861 case SkBlendMode::kSrc:
862 TEST_ASSERT(!xpi.fIgnoresInputColor);
863 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
864 TEST_ASSERT(xpi.fUnaffectedByDstValue);
865 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
866 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
867 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
868 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
869 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
870 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
871 break;
872 case SkBlendMode::kDst:
873 TEST_ASSERT(xpi.fIgnoresInputColor);
874 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
875 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
876 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
877 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
878 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
879 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
880 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
881 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
882 break;
883 case SkBlendMode::kSrcOver:
884 // We don't specialize opaque src-over. See note in GrPorterDuffXferProcessor.cpp
885 TEST_ASSERT(!xpi.fIgnoresInputColor);
886 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
887 TEST_ASSERT(xpi.fUnaffectedByDstValue);
888 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
889 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
890 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
891 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
892 if (caps.shouldCollapseSrcOverToSrcWhenAble()) {
893 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
894 } else {
895 TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
896 }
897 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
898 break;
899 case SkBlendMode::kDstOver:
900 TEST_ASSERT(!xpi.fIgnoresInputColor);
901 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
902 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
903 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
904 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
905 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
906 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
907 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
908 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
909 break;
910 case SkBlendMode::kSrcIn:
911 TEST_ASSERT(!xpi.fIgnoresInputColor);
912 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
913 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
914 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
915 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
916 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
917 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
918 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
919 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
920 break;
921 case SkBlendMode::kDstIn:
922 TEST_ASSERT(xpi.fIgnoresInputColor);
923 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
924 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
925 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
926 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
927 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
928 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
929 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
930 TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
931 break;
932 case SkBlendMode::kSrcOut:
933 TEST_ASSERT(!xpi.fIgnoresInputColor);
934 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
935 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
936 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
937 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
938 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
939 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
940 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
941 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
942 break;
943 case SkBlendMode::kDstOut:
944 TEST_ASSERT(xpi.fIgnoresInputColor);
945 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
946 TEST_ASSERT(xpi.fUnaffectedByDstValue);
947 TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
948 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
949 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
950 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
951 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
952 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
953 break;
954 case SkBlendMode::kSrcATop:
955 TEST_ASSERT(!xpi.fIgnoresInputColor);
956 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
957 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
958 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
959 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
960 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
961 TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
962 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
963 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
964 break;
965 case SkBlendMode::kDstATop:
966 TEST_ASSERT(!xpi.fIgnoresInputColor);
967 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
968 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
969 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
970 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
971 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
972 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
973 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
974 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
975 break;
976 case SkBlendMode::kXor:
977 TEST_ASSERT(!xpi.fIgnoresInputColor);
978 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
979 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
980 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
981 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
982 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
983 TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
984 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
985 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
986 break;
987 case SkBlendMode::kPlus:
988 TEST_ASSERT(!xpi.fIgnoresInputColor);
989 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
990 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
991 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
992 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
993 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
994 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
995 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
996 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
997 break;
998 case SkBlendMode::kModulate:
999 TEST_ASSERT(!xpi.fIgnoresInputColor);
1000 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
1001 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
1002 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
1003 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
1004 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
1005 TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
1006 TEST_ASSERT(kSC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
1007 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
1008 break;
1009 case SkBlendMode::kScreen:
1010 TEST_ASSERT(!xpi.fIgnoresInputColor);
1011 TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
1012 TEST_ASSERT(!xpi.fUnaffectedByDstValue);
1013 TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
1014 TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
1015 TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
1016 TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
1017 TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
1018 TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
1019 break;
1020 default:
1021 ERRORF(reporter, "Invalid xfermode.");
1022 break;
1023 }
1024 }
1025 }
1026
test_lcd_coverage_fallback_case(skiatest::Reporter * reporter,const GrCaps & caps)1027 static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const GrCaps& caps) {
1028 constexpr GrClampType autoClamp = GrClampType::kAuto;
1029 const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(SkBlendMode::kSrcOver);
1030 GrProcessorAnalysisColor color = SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(123, 45, 67, 255));
1031 GrProcessorAnalysisCoverage coverage = GrProcessorAnalysisCoverage::kLCD;
1032 TEST_ASSERT(!(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps, autoClamp) &
1033 GrXPFactory::AnalysisProperties::kRequiresDstTexture));
1034 sk_sp<const GrXferProcessor> xp_opaque(
1035 GrXPFactory::MakeXferProcessor(xpf, color, coverage, caps, autoClamp));
1036 if (!xp_opaque) {
1037 ERRORF(reporter, "Failed to create an XP with LCD coverage.");
1038 return;
1039 }
1040
1041 GrXferProcessor::BlendInfo blendInfo = xp_opaque->getBlendInfo();
1042 TEST_ASSERT(blendInfo.fWriteColor);
1043
1044 // Test with non-opaque alpha
1045 color = SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(123, 45, 67, 221));
1046 coverage = GrProcessorAnalysisCoverage::kLCD;
1047 TEST_ASSERT(!(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps, autoClamp) &
1048 GrXPFactory::AnalysisProperties::kRequiresDstTexture));
1049 sk_sp<const GrXferProcessor> xp(
1050 GrXPFactory::MakeXferProcessor(xpf, color, coverage, caps, autoClamp));
1051 if (!xp) {
1052 ERRORF(reporter, "Failed to create an XP with LCD coverage.");
1053 return;
1054 }
1055
1056 blendInfo = xp->getBlendInfo();
1057 TEST_ASSERT(blendInfo.fWriteColor);
1058 }
1059
DEF_GPUTEST(PorterDuffNoDualSourceBlending,reporter,options)1060 DEF_GPUTEST(PorterDuffNoDualSourceBlending, reporter, options) {
1061 GrContextOptions opts = options;
1062 opts.fSuppressDualSourceBlending = true;
1063 sk_gpu_test::GrContextFactory mockFactory(opts);
1064 auto ctx = mockFactory.get(sk_gpu_test::GrContextFactory::kMock_ContextType);
1065 if (!ctx) {
1066 SK_ABORT("Failed to create mock context without ARB_blend_func_extended.");
1067 }
1068
1069 GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
1070 const GrCaps& caps = *ctx->priv().caps();
1071 if (caps.shaderCaps()->dualSourceBlendingSupport()) {
1072 SK_ABORT("Mock context failed to honor request for no ARB_blend_func_extended.");
1073 }
1074
1075 auto mbet = sk_gpu_test::ManagedBackendTexture::MakeWithoutData(
1076 ctx, 100, 100, kRGBA_8888_SkColorType, GrMipmapped::kNo, GrRenderable::kNo);
1077 if (!mbet) {
1078 ERRORF(reporter, "Could not make texture.");
1079 return;
1080 }
1081 GrDstProxyView fakeDstProxyView;
1082 {
1083 sk_sp<GrTextureProxy> proxy = proxyProvider->wrapBackendTexture(
1084 mbet->texture(), kBorrow_GrWrapOwnership, GrWrapCacheable::kNo, kRead_GrIOType,
1085 mbet->refCountedCallback());
1086 GrSwizzle swizzle =
1087 caps.getReadSwizzle(mbet->texture().getBackendFormat(), GrColorType::kRGBA_8888);
1088 fakeDstProxyView.setProxyView({std::move(proxy), kTopLeft_GrSurfaceOrigin, swizzle});
1089 }
1090
1091 static const GrProcessorAnalysisColor colorInputs[] = {
1092 GrProcessorAnalysisColor::Opaque::kNo, GrProcessorAnalysisColor::Opaque::kYes,
1093 GrProcessorAnalysisColor(SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(0, 82, 17, 100))),
1094 GrProcessorAnalysisColor(SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(0, 82, 17, 255)))};
1095
1096 for (const auto& colorInput : colorInputs) {
1097 for (GrProcessorAnalysisCoverage coverageType :
1098 {GrProcessorAnalysisCoverage::kSingleChannel, GrProcessorAnalysisCoverage::kNone}) {
1099 for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
1100 SkBlendMode xfermode = static_cast<SkBlendMode>(m);
1101 const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode);
1102 sk_sp<const GrXferProcessor> xp(
1103 GrXPFactory::MakeXferProcessor(xpf, colorInput, coverageType, caps,
1104 GrClampType::kAuto));
1105 if (!xp) {
1106 ERRORF(reporter, "Failed to create an XP without dual source blending.");
1107 return;
1108 }
1109 TEST_ASSERT(!xp->hasSecondaryOutput());
1110 }
1111 }
1112 }
1113 }
1114