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skia2/tests/GrPorterDuffTest.cpp
Brian Salomon 00b2cca300 Simplify GrPaint::isConstantBlendedColor to avoid FP analysis and XP virtual calls 
This was the only non-test user of GrXPFactory::isConstantPreCoverageBlendedColor which is now removed.

Change-Id: Ic1c130d30a44e1a955b89f8912433a3c9df2e61e
Reviewed-on: https://skia-review.googlesource.com/8776
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2017-02-21 18:29:37 +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 "Test.h"
#if SK_SUPPORT_GPU
#include "GrContextFactory.h"
#include "GrContextOptions.h"
#include "GrGpu.h"
#include "GrResourceProvider.h"
#include "GrXferProcessor.h"
#include "effects/GrPorterDuffXferProcessor.h"
#include "gl/GrGLCaps.h"
#include "ops/GrMeshDrawOp.h"
////////////////////////////////////////////////////////////////////////////////
static void test_color_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps);
static void test_color_unknown_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_FOR_NULLGL_CONTEXT(GrPorterDuff, reporter, ctxInfo) {
const GrCaps& caps = *ctxInfo.grContext()->getGpu()->caps();
if (!caps.shaderCaps()->dualSourceBlendingSupport()) {
SkFAIL("Null context does not support dual source blending.");
return;
}
test_color_unknown_with_coverage(reporter, caps);
test_color_unknown_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
};
enum {
kNone_OptFlags = GrXferProcessor::kNone_OptFlags,
kSkipDraw_OptFlag = GrXferProcessor::kSkipDraw_OptFlag,
kIgnoreColor_OptFlag = GrXferProcessor::kIgnoreColor_OptFlag,
kCanTweakAlphaForCoverage_OptFlag = GrXferProcessor::kCanTweakAlphaForCoverage_OptFlag
};
class GrPorterDuffTest {
public:
struct XPInfo {
XPInfo(skiatest::Reporter* reporter, SkBlendMode xfermode, const GrCaps& caps,
const GrPipelineAnalysis& analysis) {
const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode);
fReadsDst = GrXPFactory::WillReadDst(xpf, analysis.fColorPOI, analysis.fCoveragePOI);
sk_sp<GrXferProcessor> xp(xpf->createXferProcessor(analysis, false, nullptr, caps));
TEST_ASSERT(!xpf->willNeedDstTexture(caps, analysis));
GrColor ignoredOverrideColor;
fOptFlags = xp->getOptimizations(analysis, false, &ignoredOverrideColor, caps);
GetXPOutputTypes(xp.get(), &fPrimaryOutputType, &fSecondaryOutputType);
xp->getBlendInfo(&fBlendInfo);
TEST_ASSERT(!xp->willReadDstColor());
TEST_ASSERT(xp->hasSecondaryOutput() == GrBlendCoeffRefsSrc2(fBlendInfo.fDstBlend));
}
bool fReadsDst;
int fOptFlags;
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) {
GrPipelineAnalysis analysis;
// Setting the last argument to true will force covPOI to LCD coverage.
analysis.fCoveragePOI.resetToLCDCoverage();
SkASSERT(!analysis.fColorPOI.isOpaque());
SkASSERT(!analysis.fColorPOI.isSolidWhite());
SkASSERT(!analysis.fCoveragePOI.isSolidWhite());
SkASSERT(analysis.fCoveragePOI.isLCDCoverage());
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, analysis);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT((kIgnoreColor_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDst:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT((kSkipDraw_OptFlag |
kIgnoreColor_OptFlag |
kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstIn:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstOut:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
TEST_ASSERT(kSAModulate_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(kISC_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kSrcATop:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kSAModulate_OutputType == xpi.fSecondaryOutputType);
TEST_ASSERT(kAdd_GrBlendEquation == xpi.fBlendInfo.fEquation);
TEST_ASSERT(kDA_GrBlendCoeff == xpi.fBlendInfo.fSrcBlend);
TEST_ASSERT(kIS2C_GrBlendCoeff == xpi.fBlendInfo.fDstBlend);
TEST_ASSERT(xpi.fBlendInfo.fWriteColor);
break;
case SkBlendMode::kDstATop:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
TEST_ASSERT(kModulate_OutputType == xpi.fPrimaryOutputType);
TEST_ASSERT(kSAModulate_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::kPlus:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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_unknown_with_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
GrPipelineAnalysis analysis;
SkASSERT(!analysis.fColorPOI.isOpaque());
SkASSERT(!analysis.fColorPOI.isSolidWhite());
SkASSERT(!analysis.fCoveragePOI.isSolidWhite());
SkASSERT(!analysis.fCoveragePOI.isLCDCoverage());
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, analysis);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT((kIgnoreColor_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kSkipDraw_OptFlag |
kIgnoreColor_OptFlag |
kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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_unknown_no_coverage(skiatest::Reporter* reporter, const GrCaps& caps) {
GrPipelineAnalysis analysis;
analysis.fColorPOI.reset(GrPipelineInput(GrColorPackRGBA(229, 0, 154, 240)));
analysis.fCoveragePOI.reset(GrPipelineInput(GrColorPackA4(255)));
SkASSERT(!analysis.fColorPOI.isOpaque());
SkASSERT(!analysis.fColorPOI.isSolidWhite());
SkASSERT(analysis.fCoveragePOI.isSolidWhite());
SkASSERT(!analysis.fCoveragePOI.isLCDCoverage());
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, analysis);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(!xpi.fReadsDst);
TEST_ASSERT(kIgnoreColor_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kSkipDraw_OptFlag |
kIgnoreColor_OptFlag |
kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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) {
GrPipelineAnalysis analysis;
analysis.fColorPOI.reset(GrPipelineInput(GrPipelineInput::Opaque::kYes));
SkASSERT(analysis.fColorPOI.isOpaque());
SkASSERT(!analysis.fColorPOI.isSolidWhite());
SkASSERT(!analysis.fCoveragePOI.isSolidWhite());
SkASSERT(!analysis.fCoveragePOI.isLCDCoverage());
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, analysis);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT((kIgnoreColor_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kSkipDraw_OptFlag |
kIgnoreColor_OptFlag |
kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kSkipDraw_OptFlag |
kIgnoreColor_OptFlag |
kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kIgnoreColor_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kNone_OptFlags) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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) {
GrPipelineAnalysis analysis;
analysis.fColorPOI.reset(GrPipelineInput(GrPipelineInput::Opaque::kYes));
analysis.fCoveragePOI.reset(GrPipelineInput(GrColorPackA4(255)));
SkASSERT(analysis.fColorPOI.isOpaque());
SkASSERT(!analysis.fColorPOI.isSolidWhite());
SkASSERT(analysis.fCoveragePOI.isSolidWhite());
SkASSERT(!analysis.fCoveragePOI.isLCDCoverage());
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrPorterDuffTest::XPInfo xpi(reporter, xfermode, caps, analysis);
switch (xfermode) {
case SkBlendMode::kClear:
TEST_ASSERT(!xpi.fReadsDst);
TEST_ASSERT(kIgnoreColor_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kSkipDraw_OptFlag |
kIgnoreColor_OptFlag |
kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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::kDstOver:
TEST_ASSERT(xpi.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT((kSkipDraw_OptFlag |
kIgnoreColor_OptFlag |
kCanTweakAlphaForCoverage_OptFlag) == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kIgnoreColor_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kNone_OptFlags == xpi.fOptFlags);
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.fReadsDst);
TEST_ASSERT(kCanTweakAlphaForCoverage_OptFlag == xpi.fOptFlags);
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) {
class TestLCDCoverageOp : public GrMeshDrawOp {
public:
DEFINE_OP_CLASS_ID
TestLCDCoverageOp() : INHERITED(ClassID()) {}
const char* name() const override { return "Test LCD Text Op"; }
private:
void getPipelineAnalysisInput(GrPipelineAnalysisDrawOpInput* input) const override {
input->pipelineColorInput()->setToConstant(GrColorPackRGBA(123, 45, 67, 221));
input->pipelineCoverageInput()->setToLCDCoverage();
}
void applyPipelineOptimizations(const GrPipelineOptimizations&) override {}
bool onCombineIfPossible(GrOp*, const GrCaps&) override { return false; }
void onPrepareDraws(Target*) const override {}
typedef GrMeshDrawOp INHERITED;
} testLCDCoverageOp;
GrPipelineAnalysis analysis;
testLCDCoverageOp.initPipelineAnalysis(&analysis);
GrProcOptInfo colorPOI = analysis.fColorPOI;
GrProcOptInfo covPOI = analysis.fCoveragePOI;
// Prevent unused var warnings in release.
(void)colorPOI;
(void)covPOI;
SkASSERT(colorPOI.hasKnownOutputColor());
SkASSERT(covPOI.isLCDCoverage());
const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(SkBlendMode::kSrcOver);
TEST_ASSERT(!xpf->willNeedDstTexture(caps, analysis));
sk_sp<GrXferProcessor> xp(xpf->createXferProcessor(analysis, false, nullptr, caps));
if (!xp) {
ERRORF(reporter, "Failed to create an XP with LCD coverage.");
return;
}
TEST_ASSERT(GrXPFactory::WillReadDst(xpf, colorPOI, covPOI));
GrColor overrideColor;
xp->getOptimizations(analysis, false, &overrideColor, caps);
GrXferProcessor::BlendInfo blendInfo;
xp->getBlendInfo(&blendInfo);
TEST_ASSERT(blendInfo.fWriteColor);
}
DEF_GPUTEST(PorterDuffNoDualSourceBlending, reporter, /*factory*/) {
GrContextOptions opts;
opts.fSuppressDualSourceBlending = true;
sk_gpu_test::GrContextFactory mockFactory(opts);
GrContext* ctx = mockFactory.get(sk_gpu_test::GrContextFactory::kNullGL_ContextType);
if (!ctx) {
SkFAIL("Failed to create null context without ARB_blend_func_extended.");
return;
}
const GrCaps& caps = *ctx->caps();
if (caps.shaderCaps()->dualSourceBlendingSupport()) {
SkFAIL("Null context failed to honor request for no ARB_blend_func_extended.");
return;
}
GrBackendObject backendTex =
ctx->getGpu()->createTestingOnlyBackendTexture(nullptr, 100, 100, kRGBA_8888_GrPixelConfig);
GrBackendTextureDesc fakeDesc;
fakeDesc.fConfig = kRGBA_8888_GrPixelConfig;
fakeDesc.fWidth = fakeDesc.fHeight = 100;
fakeDesc.fTextureHandle = backendTex;
GrXferProcessor::DstTexture fakeDstTexture;
fakeDstTexture.setTexture(
ctx->textureProvider()->wrapBackendTexture(fakeDesc, kBorrow_GrWrapOwnership));
static const GrPipelineInput colorInputs[] = {GrPipelineInput(),
GrPipelineInput(GrPipelineInput::Opaque::kYes),
GrPipelineInput(GrColorPackRGBA(0, 82, 17, 100)),
GrPipelineInput(GrColorPackRGBA(0, 82, 17, 255))};
for (const auto& colorInput : colorInputs) {
GrPipelineAnalysis analysis;
analysis.fColorPOI = colorInput;
for (bool fractionalCoverage : {true, false}) {
if (!fractionalCoverage) {
analysis.fCoveragePOI.reset(GrPipelineInput(GrColorPackA4(255)));
}
for (int m = 0; m <= (int)SkBlendMode::kLastCoeffMode; m++) {
SkBlendMode xfermode = static_cast<SkBlendMode>(m);
const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode);
GrXferProcessor::DstTexture* dstTexture =
xpf->willNeedDstTexture(caps, analysis) ? &fakeDstTexture : 0;
sk_sp<GrXferProcessor> xp(
xpf->createXferProcessor(analysis, false, dstTexture, caps));
if (!xp) {
ERRORF(reporter, "Failed to create an XP without dual source blending.");
return;
}
TEST_ASSERT(!xp->hasSecondaryOutput());
GrColor ignoredOverrideColor;
xp->getOptimizations(analysis, false, &ignoredOverrideColor, caps);
TEST_ASSERT(!xp->hasSecondaryOutput());
}
}
}
ctx->getGpu()->deleteTestingOnlyBackendTexture(backendTex);
}
#endif
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