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authorGravatar Greg Daniel <egdaniel@google.com>2017-05-19 10:56:46 -0400
committerGravatar Skia Commit-Bot <skia-commit-bot@chromium.org>2017-05-19 17:20:33 +0000
commit6ebe4b9dbeab68ca3b6da61fd08f22cdc080267d (patch)
tree7cd35d97370f7d85d6422a71b044c62930d20cc6 /tests
parent09e9f68625db41a1bdbac6738e2d4b57268ac5ca (diff)
Fix gpu lcd blending to semi-correctly handle alpha coverage
Bug: skia:6606 Change-Id: I16ccd97f5d047eb7fddfed5310bf669e7435ccdd Reviewed-on: https://skia-review.googlesource.com/17370 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Greg Daniel <egdaniel@google.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/GrPorterDuffTest.cpp25
1 files changed, 20 insertions, 5 deletions
diff --git a/tests/GrPorterDuffTest.cpp b/tests/GrPorterDuffTest.cpp
index 780573d34f..f000077f8a 100644
--- a/tests/GrPorterDuffTest.cpp
+++ b/tests/GrPorterDuffTest.cpp
@@ -104,7 +104,7 @@ public:
};
static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
- GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kNo;
+ GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kLCD;
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
@@ -1004,10 +1004,26 @@ static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const Gr
static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const GrCaps& caps) {
const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(SkBlendMode::kSrcOver);
- GrProcessorAnalysisColor color = GrColorPackRGBA(123, 45, 67, 221);
+ GrProcessorAnalysisColor color = GrColorPackRGBA(123, 45, 67, 255);
GrProcessorAnalysisCoverage coverage = GrProcessorAnalysisCoverage::kLCD;
- SkASSERT(!(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps) &
- GrXPFactory::AnalysisProperties::kRequiresDstTexture));
+ TEST_ASSERT(!(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps) &
+ GrXPFactory::AnalysisProperties::kRequiresDstTexture));
+ sk_sp<const GrXferProcessor> xp_opaque(
+ GrXPFactory::MakeXferProcessor(xpf, color, coverage, false, caps));
+ if (!xp_opaque) {
+ ERRORF(reporter, "Failed to create an XP with LCD coverage.");
+ return;
+ }
+
+ GrXferProcessor::BlendInfo blendInfo;
+ xp_opaque->getBlendInfo(&blendInfo);
+ TEST_ASSERT(blendInfo.fWriteColor);
+
+ // Test with non-opaque alpha
+ color = GrColorPackRGBA(123, 45, 67, 221);
+ coverage = GrProcessorAnalysisCoverage::kLCD;
+ TEST_ASSERT(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps) &
+ GrXPFactory::AnalysisProperties::kRequiresDstTexture);
sk_sp<const GrXferProcessor> xp(
GrXPFactory::MakeXferProcessor(xpf, color, coverage, false, caps));
if (!xp) {
@@ -1015,7 +1031,6 @@ static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const
return;
}
- GrXferProcessor::BlendInfo blendInfo;
xp->getBlendInfo(&blendInfo);
TEST_ASSERT(blendInfo.fWriteColor);
}