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skia2/tests/GrPorterDuffTest.cpp
Greg Daniel c52968170d Fix CompatibleCoverageAsAlpha flag when reducing src-over to src. 
Change-Id: I087ff64e0f23aee15ac2bf7b9d3c450e28400cef
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/274036
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2020-02-28 18:45:15 +00:00

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "tests/Test.h"
#include "include/gpu/GrBackendSurface.h"
#include "include/gpu/GrContextOptions.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrGpu.h"
#include "src/gpu/GrProxyProvider.h"
#include "src/gpu/GrXferProcessor.h"
#include "src/gpu/effects/GrPorterDuffXferProcessor.h"
#include "src/gpu/gl/GrGLCaps.h"
#include "src/gpu/ops/GrMeshDrawOp.h"
#include "tools/gpu/GrContextFactory.h"
////////////////////////////////////////////////////////////////////////////////
static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
static void test_color_not_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
static void test_color_opaque_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const GrCaps& caps);
DEF_GPUTEST(GrPorterDuff, reporter, /*ctxInfo*/) {
GrMockOptions mockOptions;
mockOptions.fDualSourceBlendingSupport = true;
auto context = GrContext::MakeMock(&mockOptions, GrContextOptions());
const GrCaps& caps = *context->priv().getGpu()->caps();
if (!caps.shaderCaps()->dualSourceBlendingSupport()) {
SK_ABORT("Null context does not support dual source blending.");
}
test_color_unknown_with_coverage(reporter, caps);
test_color_not_opaque_no_coverage(reporter, caps);
test_color_opaque_with_coverage(reporter, caps);
test_color_opaque_no_coverage(reporter, caps);
test_lcd_coverage(reporter, caps);
test_lcd_coverage_fallback_case(reporter, caps);
}
////////////////////////////////////////////////////////////////////////////////
#define TEST_ASSERT(...) REPORTER_ASSERT(reporter, __VA_ARGS__)
enum {
kNone_OutputType,
kCoverage_OutputType,
kModulate_OutputType,
kSAModulate_OutputType,
kISAModulate_OutputType,
kISCModulate_OutputType
};
static const int kInvalid_OutputType = -1;
static GrProcessorSet::Analysis do_analysis(const GrXPFactory* xpf,
const GrProcessorAnalysisColor& colorInput,
GrProcessorAnalysisCoverage coverageInput,
const GrCaps& caps) {
GrPaint paint;
paint.setXPFactory(xpf);
GrProcessorSet procs(std::move(paint));
bool hasMixedSampledCoverage = false;
SkPMColor4f overrideColor;
GrProcessorSet::Analysis analysis = procs.finalize(
colorInput, coverageInput, nullptr, &GrUserStencilSettings::kUnused,
hasMixedSampledCoverage, caps, GrClampType::kAuto, &overrideColor);
return analysis;
}
class GrPorterDuffTest {
public:
struct XPInfo {
XPInfo(skiatest::Reporter* reporter, SkBlendMode xfermode, const GrCaps& caps,
GrProcessorAnalysisColor inputColor, GrProcessorAnalysisCoverage inputCoverage) {
const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode);
bool isLCD = GrProcessorAnalysisCoverage::kLCD == inputCoverage;
GrProcessorSet::Analysis analysis = do_analysis(xpf, inputColor, inputCoverage, caps);
fCompatibleWithCoverageAsAlpha = analysis.isCompatibleWithCoverageAsAlpha();
fIgnoresInputColor = analysis.inputColorIsIgnored();
sk_sp<const GrXferProcessor> xp(
GrXPFactory::MakeXferProcessor(xpf, inputColor, inputCoverage, false, caps,
GrClampType::kAuto));
TEST_ASSERT(!analysis.requiresDstTexture() ||
(isLCD &&
!caps.shaderCaps()->dstReadInShaderSupport() &&
(SkBlendMode::kSrcOver != xfermode ||
!inputColor.isOpaque())));
// Porter Duff modes currently only use fixed-function or shader blending, and Ganesh
// doesn't yet make use of framebuffer fetches that require a barrier
// (e.g., QCOM_shader_framebuffer_fetch_noncoherent). So dst textures and xfer barriers
// should always go hand in hand for Porter Duff modes.
TEST_ASSERT(analysis.requiresDstTexture() == analysis.requiresNonOverlappingDraws());
GetXPOutputTypes(xp.get(), &fPrimaryOutputType, &fSecondaryOutputType);
fBlendInfo = xp->getBlendInfo();
TEST_ASSERT(!xp->willReadDstColor() ||
(isLCD && (SkBlendMode::kSrcOver != xfermode ||
!inputColor.isOpaque())));
TEST_ASSERT(xp->hasSecondaryOutput() == GrBlendCoeffRefsSrc2(fBlendInfo.fDstBlend));
}
bool fCompatibleWithCoverageAsAlpha;
bool fIgnoresInputColor;
int fPrimaryOutputType;
int fSecondaryOutputType;
GrXferProcessor::BlendInfo fBlendInfo;
};
static void GetXPOutputTypes(const GrXferProcessor* xp, int* outPrimary, int* outSecondary) {
GrPorterDuffXPFactory::TestGetXPOutputTypes(xp, outPrimary, outSecondary);
}
};
static void test_lcd_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kLCD;
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrc:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDst:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOver:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kSAModulate_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOver:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcIn:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstIn:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOut:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOut:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kXor:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kPlus:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kModulate:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kScreen:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kInvalid_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kInvalid_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
default:
ERRORF(reporter, "Invalid xfermode.");
break;
}
}
}
static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kNo;
GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kSingleChannel;
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrc:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDst:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOver:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOver:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcIn:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstIn:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kISAModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOut:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kCoverage_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kIS2A_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOut:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kISAModulate_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kXor:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kPlus:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kModulate:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kISCModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kScreen:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
default:
ERRORF(reporter, "Invalid xfermode.");
break;
}
}
}
static void test_color_not_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
GrProcessorAnalysisColor inputColor(
SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(229, 0, 154, 240)));
GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kNone;
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrc:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDst:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOver:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOver:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcIn:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstIn:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kSA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOut:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOut:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kSA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kXor:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kPlus:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kModulate:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kSC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kScreen:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
default:
ERRORF(reporter, "Invalid xfermode.");
break;
}
}
}
static void test_color_opaque_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kSingleChannel;
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrc:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDst:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOver:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOver:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcIn:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstIn:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOut:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOut:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(!xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kCoverage_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kXor:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kPlus:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kModulate:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(kISCModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kReverseSubtract_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDC_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kScreen:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
default:
ERRORF(reporter, "Invalid xfermode.");
break;
}
}
}
static void test_color_opaque_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
GrProcessorAnalysisColor inputColor = GrProcessorAnalysisColor::Opaque::kYes;
GrProcessorAnalysisCoverage inputCoverage = GrProcessorAnalysisCoverage::kNone;
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, inputColor, inputCoverage);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrc:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDst:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOver:
// We don't specialize opaque src-over. See note in GrPorterDuffXferProcessor.cpp
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
if (caps.shouldCollapseSrcOverToSrcWhenAble()) {
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
} else {
TEST_ASSERT(kISA_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
}
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOver:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcIn:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstIn:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(!xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcOut:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOut:
TEST_ASSERT(xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kNone_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstATop:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kXor:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kIDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kPlus:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kModulate:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kZero_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kSC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kScreen:
TEST_ASSERT(!xpi.fIgnoresInputColor);
TEST_ASSERT(xpi.fCompatibleWithCoverageAsAlpha);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kNone_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kOne_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
default:
ERRORF(reporter, "Invalid xfermode.");
break;
}
}
}
static void test_lcd_coverage_fallback_case(skiatest::Reporter* reporter, const GrCaps& caps) {
constexpr GrClampType autoClamp = GrClampType::kAuto;
const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(SkBlendMode::kSrcOver);
GrProcessorAnalysisColor color = SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(123, 45, 67, 255));
GrProcessorAnalysisCoverage coverage = GrProcessorAnalysisCoverage::kLCD;
TEST_ASSERT(!(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps, autoClamp) &
GrXPFactory::AnalysisProperties::kRequiresDstTexture));
sk_sp<const GrXferProcessor> xp_opaque(
GrXPFactory::MakeXferProcessor(xpf, color, coverage, false, caps, autoClamp));
if (!xp_opaque) {
ERRORF(reporter, "Failed to create an XP with LCD coverage.");
return;
}
GrXferProcessor::BlendInfo blendInfo = xp_opaque->getBlendInfo();
TEST_ASSERT(blendInfo.fWriteColor);
// Test with non-opaque alpha
color = SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(123, 45, 67, 221));
coverage = GrProcessorAnalysisCoverage::kLCD;
TEST_ASSERT(!(GrXPFactory::GetAnalysisProperties(xpf, color, coverage, caps, autoClamp) &
GrXPFactory::AnalysisProperties::kRequiresDstTexture));
sk_sp<const GrXferProcessor> xp(
GrXPFactory::MakeXferProcessor(xpf, color, coverage, false, caps, autoClamp));
if (!xp) {
ERRORF(reporter, "Failed to create an XP with LCD coverage.");
return;
}
blendInfo = xp->getBlendInfo();
TEST_ASSERT(blendInfo.fWriteColor);
}
DEF_GPUTEST(PorterDuffNoDualSourceBlending, reporter, options) {
GrContextOptions opts = options;
opts.fSuppressDualSourceBlending = true;
sk_gpu_test::GrContextFactory mockFactory(opts);
GrContext* ctx = mockFactory.get(sk_gpu_test::GrContextFactory::kMock_ContextType);
if (!ctx) {
SK_ABORT("Failed to create mock context without ARB_blend_func_extended.");
}
GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
const GrCaps& caps = *ctx->priv().caps();
if (caps.shaderCaps()->dualSourceBlendingSupport()) {
SK_ABORT("Mock context failed to honor request for no ARB_blend_func_extended.");
}
GrBackendTexture backendTex =
ctx->createBackendTexture(100, 100, kRGBA_8888_SkColorType, SkColors::kTransparent,
GrMipMapped::kNo, GrRenderable::kNo, GrProtected::kNo);
GrXferProcessor::DstProxyView fakeDstProxyView;
{
sk_sp<GrTextureProxy> proxy = proxyProvider->wrapBackendTexture(
backendTex, GrColorType::kRGBA_8888, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo,
kRead_GrIOType);
GrSwizzle swizzle = caps.getReadSwizzle(backendTex.getBackendFormat(),
GrColorType::kRGBA_8888);
fakeDstProxyView.setProxyView({std::move(proxy), kTopLeft_GrSurfaceOrigin, swizzle});
}
static const GrProcessorAnalysisColor colorInputs[] = {
GrProcessorAnalysisColor::Opaque::kNo, GrProcessorAnalysisColor::Opaque::kYes,
GrProcessorAnalysisColor(SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(0, 82, 17, 100))),
GrProcessorAnalysisColor(SkPMColor4f::FromBytes_RGBA(GrColorPackRGBA(0, 82, 17, 255)))};
for (const auto& colorInput : colorInputs) {
for (GrProcessorAnalysisCoverage coverageType :
{GrProcessorAnalysisCoverage::kSingleChannel, GrProcessorAnalysisCoverage::kNone}) {
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode);
sk_sp<const GrXferProcessor> xp(
GrXPFactory::MakeXferProcessor(xpf, colorInput, coverageType, false, caps,
GrClampType::kAuto));
if (!xp) {
ERRORF(reporter, "Failed to create an XP without dual source blending.");
return;
}
TEST_ASSERT(!xp->hasSecondaryOutput());
}
}
}
ctx->deleteBackendTexture(backendTex);
}
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