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Reland "Add GrDisableColorXPFactory::makeXferProcessor()"

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This is a reland of 11157ef97a

Original change's description:
> Add GrDisableColorXPFactory::makeXferProcessor()
> 
> This allows us to access the actual XP for working directly with
> pipelines.
> 
> Bug: skia:
> Change-Id: I71e7c2e9d69f464685e28b4f4a85847f0496b864
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/208345
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Greg Daniel <egdaniel@google.com>

Bug: skia:
Change-Id: I185aeea1e5f7d95ff551163828508d622897061a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/208683
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
This commit is contained in:
Chris Dalton 2019-04-16 14:43:04 -06:00 committed by Skia Commit-Bot
parent cdd5914dc1
commit fa971d6ceb
2 changed files with 25 additions and 51 deletions
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53
src/gpu/effects/GrDisableColorXP.cpp
View File

@ -19,36 +19,23 @@
*/
class DisableColorXP : public GrXferProcessor {
public:
DisableColorXP()
: INHERITED(kDisableColorXP_ClassID) {}
const char* name() const override { return "Disable Color"; }
GrGLSLXferProcessor* createGLSLInstance() const override;
DisableColorXP() : INHERITED(kDisableColorXP_ClassID) {}
private:
void onGetGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const override;
void onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override;
bool onIsEqual(const GrXferProcessor& xpBase) const override {
return true;
const char* name() const override { return "Disable Color"; }
bool onIsEqual(const GrXferProcessor& xpBase) const override { return true; }
void onGetGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const override {
return; // No key.
}
void onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override {
blendInfo->fWriteColor = false;
}
GrGLSLXferProcessor* createGLSLInstance() const override;
typedef GrXferProcessor INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
class GLDisableColorXP : public GrGLSLXferProcessor {
public:
GLDisableColorXP(const GrProcessor&) {}
~GLDisableColorXP() override {}
static void GenKey(const GrProcessor&, const GrShaderCaps&, GrProcessorKeyBuilder*) {}
private:
void emitOutputsForBlendState(const EmitArgs& args) override {
if (args.fShaderCaps->mustWriteToFragColor()) {
@ -72,26 +59,12 @@ private:
typedef GrGLSLXferProcessor INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
void DisableColorXP::onGetGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const {
GLDisableColorXP::GenKey(*this, caps, b);
GrGLSLXferProcessor* DisableColorXP::createGLSLInstance() const {
return new GLDisableColorXP();
}
GrGLSLXferProcessor* DisableColorXP::createGLSLInstance() const { return new GLDisableColorXP(*this); }
void DisableColorXP::onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const {
blendInfo->fWriteColor = false;
}
///////////////////////////////////////////////////////////////////////////////
sk_sp<const GrXferProcessor> GrDisableColorXPFactory::makeXferProcessor(
const GrProcessorAnalysisColor&,
GrProcessorAnalysisCoverage,
bool hasMixedSamples,
const GrCaps& caps,
GrClampType clampType) const {
return sk_sp<const GrXferProcessor>(new DisableColorXP);
sk_sp<const GrXferProcessor> GrDisableColorXPFactory::MakeXferProcessor() {
return sk_make_sp<DisableColorXP>();
}
GR_DEFINE_XP_FACTORY_TEST(GrDisableColorXPFactory);

23
src/gpu/effects/GrDisableColorXP.h
View File

@ -23,24 +23,25 @@
#endif
class GrDisableColorXPFactory : public GrXPFactory {
public:
static const GrXPFactory* Get();
static const GrDisableColorXPFactory* Get();
static sk_sp<const GrXferProcessor> MakeXferProcessor();
private:
constexpr GrDisableColorXPFactory() {}
AnalysisProperties analysisProperties(const GrProcessorAnalysisColor&,
const GrProcessorAnalysisCoverage&,
const GrCaps&,
GrClampType) const override {
AnalysisProperties analysisProperties(
const GrProcessorAnalysisColor&, const GrProcessorAnalysisCoverage&, const GrCaps&,
GrClampType) const override {
return AnalysisProperties::kCompatibleWithCoverageAsAlpha |
AnalysisProperties::kIgnoresInputColor;
}
sk_sp<const GrXferProcessor> makeXferProcessor(const GrProcessorAnalysisColor&,
GrProcessorAnalysisCoverage,
bool hasMixedSamples,
const GrCaps&,
GrClampType) const override;
sk_sp<const GrXferProcessor> makeXferProcessor(
const GrProcessorAnalysisColor&, GrProcessorAnalysisCoverage, bool hasMixedSamples,
const GrCaps&, GrClampType) const override {
return MakeXferProcessor();
}
GR_DECLARE_XP_FACTORY_TEST
@ -53,7 +54,7 @@ private:
#pragma clang diagnostic pop
#endif
inline const GrXPFactory* GrDisableColorXPFactory::Get() {
inline const GrDisableColorXPFactory* GrDisableColorXPFactory::Get() {
// If this is constructed as static constexpr by cl.exe (2015 SP2) the vtable is null.
#ifdef SK_BUILD_FOR_WIN
static const GrDisableColorXPFactory gDisableColorXPFactory;