diff options
Diffstat (limited to 'tests/GpuSampleLocationsTest.cpp')
| -rw-r--r-- | tests/GpuSampleLocationsTest.cpp | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/tests/GpuSampleLocationsTest.cpp b/tests/GpuSampleLocationsTest.cpp index de15e03389..5530539e68 100644 --- a/tests/GpuSampleLocationsTest.cpp +++ b/tests/GpuSampleLocationsTest.cpp @@ -109,22 +109,36 @@ void assert_equal(skiatest::Reporter* reporter, const SamplePattern& pattern, } } +static int pick_random_sample_count(int testPatternSize, SkRandom* rand, const GrCaps* caps) { + GrAlwaysAssert(testPatternSize > 1 && SkIsPow2(testPatternSize)); + int randSampCnt = rand->nextRangeU(1 + testPatternSize / 2, testPatternSize); + do { + int cnt = caps->getSampleCount(randSampCnt, kRGBA_8888_GrPixelConfig); + if (cnt) { + return cnt; + } + --randSampCnt; + } while (randSampCnt); + // This test assumes an MSAA kRGBA_8888 RTC can be created. + GrAlwaysAssert(false); + return 0; +} + void test_sampleLocations(skiatest::Reporter* reporter, TestSampleLocationsInterface* testInterface, GrContext* ctx) { SkRandom rand; sk_sp<GrRenderTargetContext> bottomUps[numTestPatterns]; sk_sp<GrRenderTargetContext> topDowns[numTestPatterns]; for (int i = 0; i < numTestPatterns; ++i) { - int numSamples = (int)kTestPatterns[i].size(); - GrAlwaysAssert(numSamples > 1 && SkIsPow2(numSamples)); + int patternSize = (int)kTestPatterns[i].size(); + int randNumSamples = pick_random_sample_count(patternSize, &rand, ctx->caps()); bottomUps[i] = ctx->makeDeferredRenderTargetContext( - SkBackingFit::kExact, 100, 100, kRGBA_8888_GrPixelConfig, nullptr, - rand.nextRangeU(1 + numSamples / 2, numSamples), GrMipMapped::kNo, - kBottomLeft_GrSurfaceOrigin); + SkBackingFit::kExact, 100, 100, kRGBA_8888_GrPixelConfig, nullptr, randNumSamples, + GrMipMapped::kNo, kBottomLeft_GrSurfaceOrigin); + randNumSamples = pick_random_sample_count(patternSize, &rand, ctx->caps()); topDowns[i] = ctx->makeDeferredRenderTargetContext( - SkBackingFit::kExact, 100, 100, kRGBA_8888_GrPixelConfig, nullptr, - rand.nextRangeU(1 + numSamples / 2, numSamples), GrMipMapped::kNo, - kTopLeft_GrSurfaceOrigin); + SkBackingFit::kExact, 100, 100, kRGBA_8888_GrPixelConfig, nullptr, randNumSamples, + GrMipMapped::kNo, kTopLeft_GrSurfaceOrigin); } // Ensure all sample locations get queried and/or cached properly. |