#include "GrConfigConversionEffect.h"
#include "GrContext.h"
-#include "GrTBackendProcessorFactory.h"
+#include "GrDrawContext.h"
+#include "GrInvariantOutput.h"
#include "GrSimpleTextureEffect.h"
-#include "gl/GrGLProcessor.h"
-#include "gl/builders/GrGLProgramBuilder.h"
#include "SkMatrix.h"
+#include "glsl/GrGLSLFragmentProcessor.h"
+#include "glsl/GrGLSLFragmentShaderBuilder.h"
-class GrGLConfigConversionEffect : public GrGLFragmentProcessor {
+class GrGLConfigConversionEffect : public GrGLSLFragmentProcessor {
public:
- GrGLConfigConversionEffect(const GrBackendProcessorFactory& factory,
- const GrProcessor& processor)
- : INHERITED (factory) {
- const GrConfigConversionEffect& configConversionEffect =
- processor.cast<GrConfigConversionEffect>();
- fSwapRedAndBlue = configConversionEffect.swapsRedAndBlue();
- fPMConversion = configConversionEffect.pmConversion();
- }
+ void emitCode(EmitArgs& args) override {
+ const GrConfigConversionEffect& cce = args.fFp.cast<GrConfigConversionEffect>();
+ const GrSwizzle& swizzle = cce.swizzle();
+ GrConfigConversionEffect::PMConversion pmConversion = cce.pmConversion();
- virtual void emitCode(GrGLProgramBuilder* builder,
- const GrFragmentProcessor&,
- const GrProcessorKey& key,
- const char* outputColor,
- const char* inputColor,
- const TransformedCoordsArray& coords,
- const TextureSamplerArray& samplers) SK_OVERRIDE {
// Using highp for GLES here in order to avoid some precision issues on specific GPUs.
- GrGLShaderVar tmpVar("tmpColor", kVec4f_GrSLType, 0, GrGLShaderVar::kHigh_Precision);
+ GrGLSLShaderVar tmpVar("tmpColor", kVec4f_GrSLType, 0, kHigh_GrSLPrecision);
SkString tmpDecl;
- tmpVar.appendDecl(builder->ctxInfo(), &tmpDecl);
+ tmpVar.appendDecl(args.fGLSLCaps, &tmpDecl);
- GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
+ GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
- fsBuilder->codeAppendf("%s;", tmpDecl.c_str());
+ fragBuilder->codeAppendf("%s;", tmpDecl.c_str());
- fsBuilder->codeAppendf("%s = ", tmpVar.c_str());
- fsBuilder->appendTextureLookup(samplers[0], coords[0].c_str(), coords[0].getType());
- fsBuilder->codeAppend(";");
+ fragBuilder->codeAppendf("%s = ", tmpVar.c_str());
+ fragBuilder->appendTextureLookup(args.fTexSamplers[0], args.fTransformedCoords[0].c_str(),
+ args.fTransformedCoords[0].getType());
+ fragBuilder->codeAppend(";");
- if (GrConfigConversionEffect::kNone_PMConversion == fPMConversion) {
- SkASSERT(fSwapRedAndBlue);
- fsBuilder->codeAppendf("%s = %s.bgra;", outputColor, tmpVar.c_str());
+ if (GrConfigConversionEffect::kNone_PMConversion == pmConversion) {
+ SkASSERT(GrSwizzle::RGBA() != swizzle);
+ fragBuilder->codeAppendf("%s = %s.%s;", args.fOutputColor, tmpVar.c_str(),
+ swizzle.c_str());
} else {
- const char* swiz = fSwapRedAndBlue ? "bgr" : "rgb";
- switch (fPMConversion) {
+ switch (pmConversion) {
case GrConfigConversionEffect::kMulByAlpha_RoundUp_PMConversion:
- fsBuilder->codeAppendf(
- "%s = vec4(ceil(%s.%s * %s.a * 255.0) / 255.0, %s.a);",
- tmpVar.c_str(), tmpVar.c_str(), swiz, tmpVar.c_str(), tmpVar.c_str());
+ fragBuilder->codeAppendf(
+ "%s = vec4(ceil(%s.rgb * %s.a * 255.0) / 255.0, %s.a);",
+ tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str());
break;
case GrConfigConversionEffect::kMulByAlpha_RoundDown_PMConversion:
// Add a compensation(0.001) here to avoid the side effect of the floor operation.
// In Intel GPUs, the integer value converted from floor(%s.r * 255.0) / 255.0
// is less than the integer value converted from %s.r by 1 when the %s.r is
// converted from the integer value 2^n, such as 1, 2, 4, 8, etc.
- fsBuilder->codeAppendf(
- "%s = vec4(floor(%s.%s * %s.a * 255.0 + 0.001) / 255.0, %s.a);",
- tmpVar.c_str(), tmpVar.c_str(), swiz, tmpVar.c_str(), tmpVar.c_str());
+ fragBuilder->codeAppendf(
+ "%s = vec4(floor(%s.rgb * %s.a * 255.0 + 0.001) / 255.0, %s.a);",
+ tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str());
+
break;
case GrConfigConversionEffect::kDivByAlpha_RoundUp_PMConversion:
- fsBuilder->codeAppendf(
- "%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(ceil(%s.%s / %s.a * 255.0) / 255.0, %s.a);",
- tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(), swiz, tmpVar.c_str(), tmpVar.c_str());
+ fragBuilder->codeAppendf(
+ "%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(ceil(%s.rgb / %s.a * 255.0) / 255.0, %s.a);",
+ tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(),
+ tmpVar.c_str());
break;
case GrConfigConversionEffect::kDivByAlpha_RoundDown_PMConversion:
- fsBuilder->codeAppendf(
- "%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(floor(%s.%s / %s.a * 255.0) / 255.0, %s.a);",
- tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(), swiz, tmpVar.c_str(), tmpVar.c_str());
+ fragBuilder->codeAppendf(
+ "%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(floor(%s.rgb / %s.a * 255.0) / 255.0, %s.a);",
+ tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(), tmpVar.c_str(),
+ tmpVar.c_str());
break;
default:
SkFAIL("Unknown conversion op.");
break;
}
- fsBuilder->codeAppendf("%s = %s;", outputColor, tmpVar.c_str());
+ fragBuilder->codeAppendf("%s = %s.%s;", args.fOutputColor, tmpVar.c_str(),
+ swizzle.c_str());
}
SkString modulate;
- GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor);
- fsBuilder->codeAppend(modulate.c_str());
+ GrGLSLMulVarBy4f(&modulate, args.fOutputColor, args.fInputColor);
+ fragBuilder->codeAppend(modulate.c_str());
}
- static inline void GenKey(const GrProcessor& processor, const GrGLCaps&,
+ static inline void GenKey(const GrProcessor& processor, const GrGLSLCaps&,
GrProcessorKeyBuilder* b) {
- const GrConfigConversionEffect& conv = processor.cast<GrConfigConversionEffect>();
- uint32_t key = (conv.swapsRedAndBlue() ? 0 : 1) | (conv.pmConversion() << 1);
+ const GrConfigConversionEffect& cce = processor.cast<GrConfigConversionEffect>();
+ uint32_t key = (cce.swizzle().asKey()) | (cce.pmConversion() << 16);
b->add32(key);
}
private:
- bool fSwapRedAndBlue;
- GrConfigConversionEffect::PMConversion fPMConversion;
-
- typedef GrGLFragmentProcessor INHERITED;
+ typedef GrGLSLFragmentProcessor INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
GrConfigConversionEffect::GrConfigConversionEffect(GrTexture* texture,
- bool swapRedAndBlue,
+ const GrSwizzle& swizzle,
PMConversion pmConversion,
const SkMatrix& matrix)
- : GrSingleTextureEffect(texture, matrix)
- , fSwapRedAndBlue(swapRedAndBlue)
+ : INHERITED(texture, nullptr, matrix)
+ , fSwizzle(swizzle)
, fPMConversion(pmConversion) {
- SkASSERT(kRGBA_8888_GrPixelConfig == texture->config() ||
- kBGRA_8888_GrPixelConfig == texture->config());
+ this->initClassID<GrConfigConversionEffect>();
+ // We expect to get here with non-BGRA/RGBA only if we're doing not doing a premul/unpremul
+ // conversion.
+ SkASSERT((kRGBA_8888_GrPixelConfig == texture->config() ||
+ kBGRA_8888_GrPixelConfig == texture->config()) ||
+ kNone_PMConversion == pmConversion);
// Why did we pollute our texture cache instead of using a GrSingleTextureEffect?
- SkASSERT(swapRedAndBlue || kNone_PMConversion != pmConversion);
+ SkASSERT(swizzle != GrSwizzle::RGBA() || kNone_PMConversion != pmConversion);
}
-const GrBackendFragmentProcessorFactory& GrConfigConversionEffect::getFactory() const {
- return GrTBackendFragmentProcessorFactory<GrConfigConversionEffect>::getInstance();
-}
-
-bool GrConfigConversionEffect::onIsEqual(const GrProcessor& s) const {
+bool GrConfigConversionEffect::onIsEqual(const GrFragmentProcessor& s) const {
const GrConfigConversionEffect& other = s.cast<GrConfigConversionEffect>();
- return this->texture(0) == s.texture(0) &&
- other.fSwapRedAndBlue == fSwapRedAndBlue &&
+ return other.fSwizzle == fSwizzle &&
other.fPMConversion == fPMConversion;
}
-void GrConfigConversionEffect::onComputeInvariantOutput(InvariantOutput* inout) const {
+void GrConfigConversionEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const {
this->updateInvariantOutputForModulation(inout);
- inout->fIsSingleComponent = false;
}
///////////////////////////////////////////////////////////////////////////////
GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrConfigConversionEffect);
-GrFragmentProcessor* GrConfigConversionEffect::TestCreate(SkRandom* random,
- GrContext*,
- const GrDrawTargetCaps&,
- GrTexture* textures[]) {
- PMConversion pmConv = static_cast<PMConversion>(random->nextULessThan(kPMConversionCnt));
- bool swapRB;
- if (kNone_PMConversion == pmConv) {
- swapRB = true;
- } else {
- swapRB = random->nextBool();
- }
- return SkNEW_ARGS(GrConfigConversionEffect,
- (textures[GrProcessorUnitTest::kSkiaPMTextureIdx],
- swapRB,
- pmConv,
- GrProcessorUnitTest::TestMatrix(random)));
+#if !defined(__clang__) && _MSC_FULL_VER >= 190024213
+// Work around VS 2015 Update 3 optimizer bug that causes internal compiler error
+//https://connect.microsoft.com/VisualStudio/feedback/details/3100520/internal-compiler-error
+#pragma optimize("t", off)
+#endif
+
+sk_sp<GrFragmentProcessor> GrConfigConversionEffect::TestCreate(GrProcessorTestData* d) {
+ PMConversion pmConv = static_cast<PMConversion>(d->fRandom->nextULessThan(kPMConversionCnt));
+ GrSwizzle swizzle;
+ do {
+ swizzle = GrSwizzle::CreateRandom(d->fRandom);
+ } while (pmConv == kNone_PMConversion && swizzle == GrSwizzle::RGBA());
+ return sk_sp<GrFragmentProcessor>(
+ new GrConfigConversionEffect(d->fTextures[GrProcessorUnitTest::kSkiaPMTextureIdx],
+ swizzle, pmConv, GrTest::TestMatrix(d->fRandom)));
}
+#if !defined(__clang__) && _MSC_FULL_VER >= 190024213
+// Restore optimization settings.
+#pragma optimize("", on)
+#endif
+
///////////////////////////////////////////////////////////////////////////////
+
+void GrConfigConversionEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps,
+ GrProcessorKeyBuilder* b) const {
+ GrGLConfigConversionEffect::GenKey(*this, caps, b);
+}
+
+GrGLSLFragmentProcessor* GrConfigConversionEffect::onCreateGLSLInstance() const {
+ return new GrGLConfigConversionEffect();
+}
+
+
+
void GrConfigConversionEffect::TestForPreservingPMConversions(GrContext* context,
PMConversion* pmToUPMRule,
PMConversion* upmToPMRule) {
*pmToUPMRule = kNone_PMConversion;
*upmToPMRule = kNone_PMConversion;
- SkAutoTMalloc<uint32_t> data(256 * 256 * 3);
+ static constexpr int kSize = 256;
+ static constexpr GrPixelConfig kConfig = kRGBA_8888_GrPixelConfig;
+ SkAutoTMalloc<uint32_t> data(kSize * kSize * 3);
uint32_t* srcData = data.get();
- uint32_t* firstRead = data.get() + 256 * 256;
- uint32_t* secondRead = data.get() + 2 * 256 * 256;
+ uint32_t* firstRead = data.get() + kSize * kSize;
+ uint32_t* secondRead = data.get() + 2 * kSize * kSize;
// Fill with every possible premultiplied A, color channel value. There will be 256-y duplicate
// values in row y. We set r,g, and b to the same value since they are handled identically.
- for (int y = 0; y < 256; ++y) {
- for (int x = 0; x < 256; ++x) {
- uint8_t* color = reinterpret_cast<uint8_t*>(&srcData[256*y + x]);
+ for (int y = 0; y < kSize; ++y) {
+ for (int x = 0; x < kSize; ++x) {
+ uint8_t* color = reinterpret_cast<uint8_t*>(&srcData[kSize*y + x]);
color[3] = y;
color[2] = SkTMin(x, y);
color[1] = SkTMin(x, y);
}
}
- GrTextureDesc desc;
- desc.fFlags = kRenderTarget_GrTextureFlagBit |
- kNoStencil_GrTextureFlagBit;
- desc.fWidth = 256;
- desc.fHeight = 256;
- desc.fConfig = kRGBA_8888_GrPixelConfig;
-
- SkAutoTUnref<GrTexture> readTex(context->createUncachedTexture(desc, NULL, 0));
- if (!readTex.get()) {
- return;
- }
- SkAutoTUnref<GrTexture> tempTex(context->createUncachedTexture(desc, NULL, 0));
- if (!tempTex.get()) {
+ sk_sp<GrDrawContext> readDC(context->makeDrawContext(SkBackingFit::kExact, kSize, kSize,
+ kConfig, nullptr));
+ sk_sp<GrDrawContext> tempDC(context->makeDrawContext(SkBackingFit::kExact, kSize, kSize,
+ kConfig, nullptr));
+ if (!readDC || !tempDC) {
return;
}
- desc.fFlags = kNone_GrTextureFlags;
- SkAutoTUnref<GrTexture> dataTex(context->createUncachedTexture(desc, data, 0));
+ GrSurfaceDesc desc;
+ desc.fWidth = kSize;
+ desc.fHeight = kSize;
+ desc.fConfig = kConfig;
+ SkAutoTUnref<GrTexture> dataTex(context->textureProvider()->createTexture(
+ desc, SkBudgeted::kYes, data, 0));
if (!dataTex.get()) {
return;
}
{kDivByAlpha_RoundUp_PMConversion, kMulByAlpha_RoundDown_PMConversion},
};
- GrContext::AutoWideOpenIdentityDraw awoid(context, NULL);
-
bool failed = true;
for (size_t i = 0; i < SK_ARRAY_COUNT(kConversionRules) && failed; ++i) {
*pmToUPMRule = kConversionRules[i][0];
*upmToPMRule = kConversionRules[i][1];
- static const SkRect kDstRect = SkRect::MakeWH(SkIntToScalar(256), SkIntToScalar(256));
- static const SkRect kSrcRect = SkRect::MakeWH(SK_Scalar1, SK_Scalar1);
+ static const SkRect kDstRect = SkRect::MakeIWH(kSize, kSize);
+ static const SkRect kSrcRect = SkRect::MakeIWH(1, 1);
// We do a PM->UPM draw from dataTex to readTex and read the data. Then we do a UPM->PM draw
// from readTex to tempTex followed by a PM->UPM draw to readTex and finally read the data.
// We then verify that two reads produced the same values.
- SkAutoTUnref<GrFragmentProcessor> pmToUPM1(
- SkNEW_ARGS(GrConfigConversionEffect,
- (dataTex, false, *pmToUPMRule, SkMatrix::I())));
- SkAutoTUnref<GrFragmentProcessor> upmToPM(
- SkNEW_ARGS(GrConfigConversionEffect,
- (readTex, false, *upmToPMRule, SkMatrix::I())));
- SkAutoTUnref<GrFragmentProcessor> pmToUPM2(
- SkNEW_ARGS(GrConfigConversionEffect,
- (tempTex, false, *pmToUPMRule, SkMatrix::I())));
-
- context->setRenderTarget(readTex->asRenderTarget());
GrPaint paint1;
- paint1.addColorProcessor(pmToUPM1);
- context->drawRectToRect(paint1, kDstRect, kSrcRect);
+ GrPaint paint2;
+ GrPaint paint3;
+ sk_sp<GrFragmentProcessor> pmToUPM1(new GrConfigConversionEffect(
+ dataTex, GrSwizzle::RGBA(), *pmToUPMRule, SkMatrix::I()));
+ sk_sp<GrFragmentProcessor> upmToPM(new GrConfigConversionEffect(
+ readDC->asTexture().get(), GrSwizzle::RGBA(), *upmToPMRule, SkMatrix::I()));
+ sk_sp<GrFragmentProcessor> pmToUPM2(new GrConfigConversionEffect(
+ tempDC->asTexture().get(), GrSwizzle::RGBA(), *pmToUPMRule, SkMatrix::I()));
- readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, firstRead);
+ paint1.addColorFragmentProcessor(std::move(pmToUPM1));
+ paint1.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
- context->setRenderTarget(tempTex->asRenderTarget());
- GrPaint paint2;
- paint2.addColorProcessor(upmToPM);
- context->drawRectToRect(paint2, kDstRect, kSrcRect);
- context->setRenderTarget(readTex->asRenderTarget());
+ readDC->fillRectToRect(GrNoClip(), paint1, SkMatrix::I(), kDstRect, kSrcRect);
- GrPaint paint3;
- paint3.addColorProcessor(pmToUPM2);
- context->drawRectToRect(paint3, kDstRect, kSrcRect);
+ readDC->asTexture()->readPixels(0, 0, kSize, kSize, kConfig, firstRead);
+
+ paint2.addColorFragmentProcessor(std::move(upmToPM));
+ paint2.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
+
+ tempDC->fillRectToRect(GrNoClip(), paint2, SkMatrix::I(), kDstRect, kSrcRect);
+
+ paint3.addColorFragmentProcessor(std::move(pmToUPM2));
+ paint3.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
+
+ readDC->fillRectToRect(GrNoClip(), paint3, SkMatrix::I(), kDstRect, kSrcRect);
- readTex->readPixels(0, 0, 256, 256, kRGBA_8888_GrPixelConfig, secondRead);
+ readDC->asTexture()->readPixels(0, 0, kSize, kSize, kConfig, secondRead);
failed = false;
- for (int y = 0; y < 256 && !failed; ++y) {
+ for (int y = 0; y < kSize && !failed; ++y) {
for (int x = 0; x <= y; ++x) {
- if (firstRead[256 * y + x] != secondRead[256 * y + x]) {
+ if (firstRead[kSize * y + x] != secondRead[kSize * y + x]) {
failed = true;
break;
}
}
}
-const GrFragmentProcessor* GrConfigConversionEffect::Create(GrTexture* texture,
- bool swapRedAndBlue,
- PMConversion pmConversion,
- const SkMatrix& matrix) {
- if (!swapRedAndBlue && kNone_PMConversion == pmConversion) {
+sk_sp<GrFragmentProcessor> GrConfigConversionEffect::Make(GrTexture* texture,
+ const GrSwizzle& swizzle,
+ PMConversion pmConversion,
+ const SkMatrix& matrix) {
+ if (swizzle == GrSwizzle::RGBA() && kNone_PMConversion == pmConversion) {
// If we returned a GrConfigConversionEffect that was equivalent to a GrSimpleTextureEffect
// then we may pollute our texture cache with redundant shaders. So in the case that no
// conversions were requested we instead return a GrSimpleTextureEffect.
- return GrSimpleTextureEffect::Create(texture, matrix);
+ return GrSimpleTextureEffect::Make(texture, nullptr, matrix);
} else {
if (kRGBA_8888_GrPixelConfig != texture->config() &&
kBGRA_8888_GrPixelConfig != texture->config() &&
kNone_PMConversion != pmConversion) {
// The PM conversions assume colors are 0..255
- return NULL;
+ return nullptr;
}
- return SkNEW_ARGS(GrConfigConversionEffect, (texture,
- swapRedAndBlue,
- pmConversion,
- matrix));
+ return sk_sp<GrFragmentProcessor>(
+ new GrConfigConversionEffect(texture, swizzle, pmConversion, matrix));
}
}
projects / platform / upstream / libSkiaSharp.git / blobdiff