blob: 0296bff01d93cc644721c0d72ffbf73b1796b1d5 [file] [log] [blame]
/*
* Copyright 2021 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/core/SkBlendModeBlender.h"
#include "src/core/SkReadBuffer.h"
#include "src/core/SkWriteBuffer.h"
#if SK_SUPPORT_GPU
#include "src/gpu/ganesh/GrFragmentProcessor.h"
#include "src/gpu/ganesh/effects/GrBlendFragmentProcessor.h"
#endif
#ifdef SK_ENABLE_SKSL
#include "src/core/SkKeyHelpers.h"
#include "src/core/SkPaintParamsKey.h"
#endif
sk_sp<SkBlender> SkBlender::Mode(SkBlendMode mode) {
#define RETURN_SINGLETON_BLENDER(m) \
case m: { \
static auto* sBlender = new SkBlendModeBlender{m}; \
return sk_ref_sp(sBlender); \
}
switch (mode) {
RETURN_SINGLETON_BLENDER(SkBlendMode::kClear)
RETURN_SINGLETON_BLENDER(SkBlendMode::kSrc)
RETURN_SINGLETON_BLENDER(SkBlendMode::kDst)
RETURN_SINGLETON_BLENDER(SkBlendMode::kSrcOver)
RETURN_SINGLETON_BLENDER(SkBlendMode::kDstOver)
RETURN_SINGLETON_BLENDER(SkBlendMode::kSrcIn)
RETURN_SINGLETON_BLENDER(SkBlendMode::kDstIn)
RETURN_SINGLETON_BLENDER(SkBlendMode::kSrcOut)
RETURN_SINGLETON_BLENDER(SkBlendMode::kDstOut)
RETURN_SINGLETON_BLENDER(SkBlendMode::kSrcATop)
RETURN_SINGLETON_BLENDER(SkBlendMode::kDstATop)
RETURN_SINGLETON_BLENDER(SkBlendMode::kXor)
RETURN_SINGLETON_BLENDER(SkBlendMode::kPlus)
RETURN_SINGLETON_BLENDER(SkBlendMode::kModulate)
RETURN_SINGLETON_BLENDER(SkBlendMode::kScreen)
RETURN_SINGLETON_BLENDER(SkBlendMode::kOverlay)
RETURN_SINGLETON_BLENDER(SkBlendMode::kDarken)
RETURN_SINGLETON_BLENDER(SkBlendMode::kLighten)
RETURN_SINGLETON_BLENDER(SkBlendMode::kColorDodge)
RETURN_SINGLETON_BLENDER(SkBlendMode::kColorBurn)
RETURN_SINGLETON_BLENDER(SkBlendMode::kHardLight)
RETURN_SINGLETON_BLENDER(SkBlendMode::kSoftLight)
RETURN_SINGLETON_BLENDER(SkBlendMode::kDifference)
RETURN_SINGLETON_BLENDER(SkBlendMode::kExclusion)
RETURN_SINGLETON_BLENDER(SkBlendMode::kMultiply)
RETURN_SINGLETON_BLENDER(SkBlendMode::kHue)
RETURN_SINGLETON_BLENDER(SkBlendMode::kSaturation)
RETURN_SINGLETON_BLENDER(SkBlendMode::kColor)
RETURN_SINGLETON_BLENDER(SkBlendMode::kLuminosity)
}
SkDEBUGFAILF("invalid blend mode %d", (int)mode);
return nullptr;
#undef RETURN_SINGLETON_BLENDER
}
#ifdef SK_ENABLE_SKSL
void SkBlenderBase::addToKey(const SkKeyContext& keyContext,
SkPaintParamsKeyBuilder* builder,
SkPipelineDataGatherer* gatherer) const {
if (std::optional<SkBlendMode> bm = as_BB(this)->asBlendMode(); bm.has_value()) {
BlendModeBlock::BeginBlock(keyContext, builder, gatherer, bm.value());
} else {
BlendModeBlock::BeginBlock(keyContext, builder, gatherer, SkBlendMode::kSrcOver);
}
builder->endBlock();
}
#endif
sk_sp<SkFlattenable> SkBlendModeBlender::CreateProc(SkReadBuffer& buffer) {
SkBlendMode mode = buffer.read32LE(SkBlendMode::kLastMode);
return SkBlender::Mode(mode);
}
void SkBlendModeBlender::flatten(SkWriteBuffer& buffer) const {
buffer.writeInt((int)fMode);
}
#if SK_SUPPORT_GPU
std::unique_ptr<GrFragmentProcessor> SkBlendModeBlender::asFragmentProcessor(
std::unique_ptr<GrFragmentProcessor> srcFP,
std::unique_ptr<GrFragmentProcessor> dstFP,
const GrFPArgs& fpArgs) const {
return GrBlendFragmentProcessor::Make(std::move(srcFP), std::move(dstFP), fMode);
}
#endif
skvm::Color SkBlendModeBlender::onProgram(skvm::Builder* p, skvm::Color src, skvm::Color dst,
const SkColorInfo& colorInfo, skvm::Uniforms* uniforms,
SkArenaAlloc* alloc) const {
return p->blend(fMode, src, dst);
}