GrPorterDuffTest.cpp 58 KB

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