зеркало из https://github.com/mozilla/moz-skia.git
Add luminance mask transfer modes.
This adds kSrcInLum_Mode and kDstInLum_Mode, to support CSS and SVG luminance masks (http://www.w3.org/TR/css-masking/#MaskValues , http://www.w3.org/TR/SVG/masking.html#Masking ). The transfer coefficient is computed according to http://www.w3.org/TR/2011/REC-SVG11-20110816/filters.html#feColorMatrixElement "luminance-to-alpha": luma = 0.2125 * r + 0.7154 * g + 0.0721 * b R=bsalomon@google.com, reed@google.com, robertphillips@google.com, vandebo@chromium.org Author: fmalita@chromium.org Review URL: https://chromiumcodereview.appspot.com/22918012 git-svn-id: http://skia.googlecode.com/svn/trunk@10887 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
Родитель
44a77c8158
Коммит
eaa7797990
|
@ -12,6 +12,7 @@
|
|||
#include "SkRandom.h"
|
||||
#include "SkString.h"
|
||||
#include "SkXfermode.h"
|
||||
#include "SkLumaXfermode.h"
|
||||
|
||||
// Benchmark that draws non-AA rects with an SkXfermode::Mode
|
||||
class XfermodeBench : public SkBenchmark {
|
||||
|
@ -22,6 +23,13 @@ public:
|
|||
fName.printf("Xfermode_%s", SkXfermode::ModeName(mode));
|
||||
}
|
||||
|
||||
XfermodeBench(void* param, SkXfermode* xferMode, const char* name)
|
||||
: SkBenchmark(param) {
|
||||
SkASSERT(NULL != xferMode);
|
||||
fXfermode.reset(xferMode);
|
||||
fName.printf("Xfermode_%s", name);
|
||||
}
|
||||
|
||||
protected:
|
||||
virtual const char* onGetName() SK_OVERRIDE { return fName.c_str(); }
|
||||
|
||||
|
@ -58,62 +66,44 @@ private:
|
|||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
static SkBenchmark* Fact00(void* p) { return new XfermodeBench(p, SkXfermode::kClear_Mode); }
|
||||
static SkBenchmark* Fact01(void* p) { return new XfermodeBench(p, SkXfermode::kSrc_Mode); }
|
||||
static SkBenchmark* Fact02(void* p) { return new XfermodeBench(p, SkXfermode::kDst_Mode); }
|
||||
static SkBenchmark* Fact03(void* p) { return new XfermodeBench(p, SkXfermode::kSrcOver_Mode); }
|
||||
static SkBenchmark* Fact04(void* p) { return new XfermodeBench(p, SkXfermode::kDstOver_Mode); }
|
||||
static SkBenchmark* Fact05(void* p) { return new XfermodeBench(p, SkXfermode::kSrcIn_Mode); }
|
||||
static SkBenchmark* Fact06(void* p) { return new XfermodeBench(p, SkXfermode::kDstIn_Mode); }
|
||||
static SkBenchmark* Fact07(void* p) { return new XfermodeBench(p, SkXfermode::kSrcOut_Mode); }
|
||||
static SkBenchmark* Fact08(void* p) { return new XfermodeBench(p, SkXfermode::kDstOut_Mode); }
|
||||
static SkBenchmark* Fact09(void* p) { return new XfermodeBench(p, SkXfermode::kSrcATop_Mode); }
|
||||
static SkBenchmark* Fact10(void* p) { return new XfermodeBench(p, SkXfermode::kDstATop_Mode); }
|
||||
static SkBenchmark* Fact11(void* p) { return new XfermodeBench(p, SkXfermode::kXor_Mode); }
|
||||
static SkBenchmark* Fact12(void* p) { return new XfermodeBench(p, SkXfermode::kPlus_Mode); }
|
||||
static SkBenchmark* Fact13(void* p) { return new XfermodeBench(p, SkXfermode::kModulate_Mode); }
|
||||
static SkBenchmark* Fact14(void* p) { return new XfermodeBench(p, SkXfermode::kScreen_Mode); }
|
||||
static SkBenchmark* Fact15(void* p) { return new XfermodeBench(p, SkXfermode::kOverlay_Mode); }
|
||||
static SkBenchmark* Fact16(void* p) { return new XfermodeBench(p, SkXfermode::kDarken_Mode); }
|
||||
static SkBenchmark* Fact17(void* p) { return new XfermodeBench(p, SkXfermode::kLighten_Mode); }
|
||||
static SkBenchmark* Fact18(void* p) { return new XfermodeBench(p, SkXfermode::kColorDodge_Mode); }
|
||||
static SkBenchmark* Fact19(void* p) { return new XfermodeBench(p, SkXfermode::kColorBurn_Mode); }
|
||||
static SkBenchmark* Fact20(void* p) { return new XfermodeBench(p, SkXfermode::kHardLight_Mode); }
|
||||
static SkBenchmark* Fact21(void* p) { return new XfermodeBench(p, SkXfermode::kSoftLight_Mode); }
|
||||
static SkBenchmark* Fact22(void* p) { return new XfermodeBench(p, SkXfermode::kDifference_Mode); }
|
||||
static SkBenchmark* Fact23(void* p) { return new XfermodeBench(p, SkXfermode::kExclusion_Mode); }
|
||||
static SkBenchmark* Fact24(void* p) { return new XfermodeBench(p, SkXfermode::kMultiply_Mode); }
|
||||
static SkBenchmark* Fact25(void* p) { return new XfermodeBench(p, SkXfermode::kHue_Mode); }
|
||||
static SkBenchmark* Fact26(void* p) { return new XfermodeBench(p, SkXfermode::kSaturation_Mode); }
|
||||
static SkBenchmark* Fact27(void* p) { return new XfermodeBench(p, SkXfermode::kColor_Mode); }
|
||||
static SkBenchmark* Fact28(void* p) { return new XfermodeBench(p, SkXfermode::kLuminosity_Mode); }
|
||||
#define CONCAT_I(x, y) x ## y
|
||||
#define CONCAT(x, y) CONCAT_I(x, y) // allow for macro expansion
|
||||
#define BENCH(...) \
|
||||
static SkBenchmark* CONCAT(Fact, __LINE__)(void *p) { return new XfermodeBench(p, __VA_ARGS__); };\
|
||||
static BenchRegistry CONCAT(gReg, __LINE__)(CONCAT(Fact, __LINE__));
|
||||
|
||||
static BenchRegistry gReg00(Fact00);
|
||||
static BenchRegistry gReg01(Fact01);
|
||||
static BenchRegistry gReg02(Fact02);
|
||||
static BenchRegistry gReg03(Fact03);
|
||||
static BenchRegistry gReg04(Fact04);
|
||||
static BenchRegistry gReg05(Fact05);
|
||||
static BenchRegistry gReg06(Fact06);
|
||||
static BenchRegistry gReg07(Fact07);
|
||||
static BenchRegistry gReg08(Fact08);
|
||||
static BenchRegistry gReg09(Fact09);
|
||||
static BenchRegistry gReg10(Fact10);
|
||||
static BenchRegistry gReg11(Fact11);
|
||||
static BenchRegistry gReg12(Fact12);
|
||||
static BenchRegistry gReg13(Fact13);
|
||||
static BenchRegistry gReg14(Fact14);
|
||||
static BenchRegistry gReg15(Fact15);
|
||||
static BenchRegistry gReg16(Fact16);
|
||||
static BenchRegistry gReg17(Fact17);
|
||||
static BenchRegistry gReg18(Fact18);
|
||||
static BenchRegistry gReg19(Fact19);
|
||||
static BenchRegistry gReg20(Fact20);
|
||||
static BenchRegistry gReg21(Fact21);
|
||||
static BenchRegistry gReg22(Fact22);
|
||||
static BenchRegistry gReg23(Fact23);
|
||||
static BenchRegistry gReg24(Fact24);
|
||||
static BenchRegistry gReg25(Fact25);
|
||||
static BenchRegistry gReg26(Fact26);
|
||||
static BenchRegistry gReg27(Fact27);
|
||||
static BenchRegistry gReg28(Fact28);
|
||||
BENCH(SkXfermode::kClear_Mode)
|
||||
BENCH(SkXfermode::kSrc_Mode)
|
||||
BENCH(SkXfermode::kDst_Mode)
|
||||
BENCH(SkXfermode::kSrcOver_Mode)
|
||||
BENCH(SkXfermode::kDstOver_Mode)
|
||||
BENCH(SkXfermode::kSrcIn_Mode)
|
||||
BENCH(SkXfermode::kDstIn_Mode)
|
||||
BENCH(SkXfermode::kSrcOut_Mode)
|
||||
BENCH(SkXfermode::kDstOut_Mode)
|
||||
BENCH(SkXfermode::kSrcATop_Mode)
|
||||
BENCH(SkXfermode::kDstATop_Mode)
|
||||
BENCH(SkXfermode::kXor_Mode)
|
||||
|
||||
BENCH(SkXfermode::kPlus_Mode)
|
||||
BENCH(SkXfermode::kModulate_Mode)
|
||||
BENCH(SkXfermode::kScreen_Mode)
|
||||
|
||||
BENCH(SkXfermode::kOverlay_Mode)
|
||||
BENCH(SkXfermode::kDarken_Mode)
|
||||
BENCH(SkXfermode::kLighten_Mode)
|
||||
BENCH(SkXfermode::kColorDodge_Mode)
|
||||
BENCH(SkXfermode::kColorBurn_Mode)
|
||||
BENCH(SkXfermode::kHardLight_Mode)
|
||||
BENCH(SkXfermode::kSoftLight_Mode)
|
||||
BENCH(SkXfermode::kDifference_Mode)
|
||||
BENCH(SkXfermode::kExclusion_Mode)
|
||||
BENCH(SkXfermode::kMultiply_Mode)
|
||||
|
||||
BENCH(SkXfermode::kHue_Mode)
|
||||
BENCH(SkXfermode::kSaturation_Mode)
|
||||
BENCH(SkXfermode::kColor_Mode)
|
||||
BENCH(SkXfermode::kLuminosity_Mode)
|
||||
|
||||
BENCH(SkLumaMaskXfermode::Create(SkXfermode::kSrcIn_Mode), "SrcInLuma")
|
||||
BENCH(SkLumaMaskXfermode::Create(SkXfermode::kDstIn_Mode), "DstInLuma")
|
||||
|
|
|
@ -0,0 +1,86 @@
|
|||
/*
|
||||
* Copyright 2013 Google Inc.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license that can be
|
||||
* found in the LICENSE file.
|
||||
*/
|
||||
|
||||
#include "gm.h"
|
||||
#include "SkCanvas.h"
|
||||
#include "SkLumaXfermode.h"
|
||||
|
||||
static void show_scene(SkCanvas* canvas, SkXfermode* mode, const char* label) {
|
||||
SkPaint paint;
|
||||
paint.setAntiAlias(true);
|
||||
SkRect r, c, bounds = { 10, 10, 110, 110 };
|
||||
|
||||
c = bounds;
|
||||
c.fRight = bounds.centerX();
|
||||
r = bounds;
|
||||
r.fBottom = bounds.centerY();
|
||||
canvas->drawRect(r, paint);
|
||||
|
||||
SkScalar tw = paint.measureText(label, strlen(label));
|
||||
canvas->drawText(label, strlen(label), bounds.centerX() - tw / 2,
|
||||
bounds.bottom() + 15, paint);
|
||||
|
||||
canvas->saveLayer(&bounds, NULL);
|
||||
|
||||
r = bounds;
|
||||
r.inset(20, 0);
|
||||
paint.setColor(0x80FFFF00);
|
||||
canvas->drawOval(r, paint);
|
||||
canvas->save();
|
||||
canvas->clipRect(c);
|
||||
paint.setColor(0xFFFFFF00);
|
||||
canvas->drawOval(r, paint);
|
||||
canvas->restore();
|
||||
|
||||
SkPaint xferPaint;
|
||||
xferPaint.setXfermode(mode);
|
||||
canvas->saveLayer(&bounds, &xferPaint);
|
||||
|
||||
r = bounds;
|
||||
r.inset(0, 20);
|
||||
paint.setColor(0x8080FF00);
|
||||
canvas->drawOval(r, paint);
|
||||
canvas->save();
|
||||
canvas->clipRect(c);
|
||||
paint.setColor(0xFF80FF00);
|
||||
canvas->drawOval(r, paint);
|
||||
canvas->restore();
|
||||
|
||||
canvas->restore();
|
||||
canvas->restore();
|
||||
}
|
||||
|
||||
class LumaXfermodeGM : public skiagm::GM {
|
||||
public:
|
||||
LumaXfermodeGM() {}
|
||||
|
||||
protected:
|
||||
virtual SkString onShortName() SK_OVERRIDE {
|
||||
return SkString("lumamode");
|
||||
}
|
||||
|
||||
virtual SkISize onISize() SK_OVERRIDE {
|
||||
return SkISize::Make(450, 140);
|
||||
}
|
||||
|
||||
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
|
||||
show_scene(canvas, NULL, "SrcOver");
|
||||
canvas->translate(150, 0);
|
||||
SkAutoTUnref<SkXfermode> src_in(SkLumaMaskXfermode::Create(SkXfermode::kSrcIn_Mode));
|
||||
show_scene(canvas, src_in.get(), "SrcInLuma");
|
||||
canvas->translate(150, 0);
|
||||
SkAutoTUnref<SkXfermode> dst_in(SkLumaMaskXfermode::Create(SkXfermode::kDstIn_Mode));
|
||||
show_scene(canvas, dst_in.get(), "DstInLuma");
|
||||
}
|
||||
|
||||
private:
|
||||
typedef skiagm::GM INHERITED;
|
||||
};
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
DEF_GM( return SkNEW(LumaXfermodeGM); )
|
|
@ -39,6 +39,7 @@
|
|||
'<(skia_src_path)/effects/SkLayerRasterizer.cpp',
|
||||
'<(skia_src_path)/effects/SkLerpXfermode.cpp',
|
||||
'<(skia_src_path)/effects/SkLightingImageFilter.cpp',
|
||||
'<(skia_src_path)/effects/SkLumaXfermode.cpp',
|
||||
'<(skia_src_path)/effects/SkMagnifierImageFilter.cpp',
|
||||
'<(skia_src_path)/effects/SkMatrixConvolutionImageFilter.cpp',
|
||||
'<(skia_src_path)/effects/SkMergeImageFilter.cpp',
|
||||
|
@ -99,6 +100,7 @@
|
|||
'<(skia_include_path)/effects/SkLayerRasterizer.h',
|
||||
'<(skia_include_path)/effects/SkLerpXfermode.h',
|
||||
'<(skia_include_path)/effects/SkLightingImageFilter.h',
|
||||
'<(skia_include_path)/effects/SkLumaXfermode.h',
|
||||
'<(skia_include_path)/effects/SkOffsetImageFilter.h',
|
||||
'<(skia_include_path)/effects/SkMorphologyImageFilter.h',
|
||||
'<(skia_include_path)/effects/SkPaintFlagsDrawFilter.h',
|
||||
|
|
|
@ -68,6 +68,7 @@
|
|||
'../gm/inversepaths.cpp',
|
||||
'../gm/lerpmode.cpp',
|
||||
'../gm/lighting.cpp',
|
||||
'../gm/lumamode.cpp',
|
||||
'../gm/image.cpp',
|
||||
'../gm/imagefiltersbase.cpp',
|
||||
'../gm/imagefilterscropped.cpp',
|
||||
|
|
|
@ -78,6 +78,7 @@
|
|||
'effects/SkMergeImageFilter.h',
|
||||
'effects/SkPerlinNoiseShader.h',
|
||||
'effects/SkLerpXfermode.h',
|
||||
'effects/SkLumaXfermode.h',
|
||||
'effects/SkRectShaderImageFilter.h',
|
||||
'effects/SkMagnifierImageFilter.h',
|
||||
'effects/SkBicubicImageFilter.h',
|
||||
|
|
|
@ -0,0 +1,58 @@
|
|||
/*
|
||||
* Copyright 2013 Google Inc.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license that can be
|
||||
* found in the LICENSE file.
|
||||
*/
|
||||
|
||||
#ifndef SkLumaXfermode_DEFINED
|
||||
#define SkLumaXfermode_DEFINED
|
||||
|
||||
#include "SkXfermode.h"
|
||||
|
||||
/**
|
||||
* Luminance mask transfer, as defined in
|
||||
* http://www.w3.org/TR/SVG/masking.html#Masking
|
||||
* http://www.w3.org/TR/css-masking/#MaskValues
|
||||
*
|
||||
* The luminance-to-alpha function is applied before performing a standard
|
||||
* SrcIn/DstIn xfer:
|
||||
*
|
||||
* luma(C) = (0.2125 * C.r + 0.7154 * C.g + 0.0721 * C.b) * C.a
|
||||
*
|
||||
* (where C is un-premultiplied)
|
||||
*/
|
||||
class SK_API SkLumaMaskXfermode : public SkXfermode {
|
||||
public:
|
||||
/** Return an SkLumaMaskXfermode object for the specified submode.
|
||||
*
|
||||
* Only kSrcIn_Mode and kDstIn_Mode are supported - for everything else,
|
||||
* the factory returns NULL.
|
||||
*/
|
||||
static SkXfermode* Create(SkXfermode::Mode);
|
||||
|
||||
virtual SkPMColor xferColor(SkPMColor, SkPMColor) const SK_OVERRIDE;
|
||||
virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count,
|
||||
const SkAlpha aa[]) const SK_OVERRIDE;
|
||||
|
||||
SK_DEVELOPER_TO_STRING()
|
||||
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLumaMaskXfermode)
|
||||
|
||||
#if SK_SUPPORT_GPU
|
||||
virtual bool asNewEffectOrCoeff(GrContext*, GrEffectRef**, Coeff*, Coeff*,
|
||||
GrTexture*) const SK_OVERRIDE;
|
||||
#endif
|
||||
|
||||
protected:
|
||||
SkLumaMaskXfermode(SkFlattenableReadBuffer&);
|
||||
virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
|
||||
|
||||
private:
|
||||
SkLumaMaskXfermode(SkXfermode::Mode);
|
||||
|
||||
const SkXfermode::Mode fMode;
|
||||
|
||||
typedef SkXfermode INHERITED;
|
||||
};
|
||||
|
||||
#endif
|
|
@ -0,0 +1,221 @@
|
|||
/*
|
||||
* Copyright 2013 Google Inc.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license that can be
|
||||
* found in the LICENSE file.
|
||||
*/
|
||||
|
||||
#include "SkLumaXfermode.h"
|
||||
#include "SkColorPriv.h"
|
||||
#include "SkFlattenableBuffers.h"
|
||||
#include "SkString.h"
|
||||
|
||||
#if SK_SUPPORT_GPU
|
||||
#include "gl/GrGLEffect.h"
|
||||
#include "gl/GrGLEffectMatrix.h"
|
||||
#include "GrContext.h"
|
||||
#include "GrTBackendEffectFactory.h"
|
||||
#endif
|
||||
|
||||
static inline SkPMColor luma_proc(const SkPMColor a, const SkPMColor b) {
|
||||
unsigned luma = SkComputeLuminance(SkGetPackedR32(b),
|
||||
SkGetPackedG32(b),
|
||||
SkGetPackedB32(b));
|
||||
return SkAlphaMulQ(a, SkAlpha255To256(luma));
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
static inline const T* lumaOpA(SkXfermode::Mode mode,
|
||||
const T* src, const T* dst) {
|
||||
return SkXfermode::kSrcIn_Mode == mode ? src : dst;
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
static inline const T* lumaOpB(SkXfermode::Mode mode,
|
||||
const T* src, const T* dst) {
|
||||
return SkXfermode::kSrcIn_Mode == mode ? dst : src;
|
||||
}
|
||||
|
||||
SkXfermode* SkLumaMaskXfermode::Create(SkXfermode::Mode mode) {
|
||||
if (kSrcIn_Mode == mode || kDstIn_Mode == mode) {
|
||||
return SkNEW_ARGS(SkLumaMaskXfermode, (mode));
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
SkLumaMaskXfermode::SkLumaMaskXfermode(SkXfermode::Mode mode)
|
||||
: fMode(mode) {
|
||||
SkASSERT(kSrcIn_Mode == mode || kDstIn_Mode == mode);
|
||||
}
|
||||
|
||||
SkLumaMaskXfermode::SkLumaMaskXfermode(SkFlattenableReadBuffer& buffer)
|
||||
: INHERITED(buffer)
|
||||
, fMode((SkXfermode::Mode)buffer.readUInt()) {
|
||||
SkASSERT(kSrcIn_Mode == fMode || kDstIn_Mode == fMode);
|
||||
}
|
||||
|
||||
void SkLumaMaskXfermode::flatten(SkFlattenableWriteBuffer& buffer) const {
|
||||
INHERITED::flatten(buffer);
|
||||
buffer.writeUInt(fMode);
|
||||
}
|
||||
|
||||
SkPMColor SkLumaMaskXfermode::xferColor(SkPMColor src, SkPMColor dst) const {
|
||||
const SkPMColor* a = lumaOpA<SkPMColor>(fMode, &src, &dst);
|
||||
const SkPMColor* b = lumaOpB<SkPMColor>(fMode, &src, &dst);
|
||||
return luma_proc(*a, *b);
|
||||
}
|
||||
|
||||
void SkLumaMaskXfermode::xfer32(SkPMColor dst[], const SkPMColor src[],
|
||||
int count, const SkAlpha aa[]) const {
|
||||
const SkPMColor* a = lumaOpA<SkPMColor>(fMode, src, dst);
|
||||
const SkPMColor* b = lumaOpB<SkPMColor>(fMode, src, dst);
|
||||
|
||||
if (aa) {
|
||||
for (int i = 0; i < count; ++i) {
|
||||
unsigned cov = aa[i];
|
||||
if (cov) {
|
||||
unsigned resC = luma_proc(a[i], b[i]);
|
||||
if (cov < 255) {
|
||||
resC = SkAlphaMulQ(resC, SkAlpha255To256(cov));
|
||||
}
|
||||
dst[i] = resC;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for (int i = 0; i < count; ++i) {
|
||||
dst[i] = luma_proc(a[i], b[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef SK_DEVELOPER
|
||||
void SkLumaMaskXfermode::toString(SkString* str) const {
|
||||
str->printf("SkLumaMaskXfermode: mode: %s",
|
||||
fMode == kSrcIn_Mode ? "SRC_IN" : "DST_IN");
|
||||
}
|
||||
#endif
|
||||
|
||||
#if SK_SUPPORT_GPU
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
class GrGLLumaMaskEffect : public GrGLEffect {
|
||||
public:
|
||||
GrGLLumaMaskEffect(const GrBackendEffectFactory&, const GrDrawEffect&);
|
||||
virtual ~GrGLLumaMaskEffect();
|
||||
|
||||
virtual void emitCode(GrGLShaderBuilder*,
|
||||
const GrDrawEffect&,
|
||||
EffectKey,
|
||||
const char* outputColor,
|
||||
const char* inputColor,
|
||||
const TextureSamplerArray&) SK_OVERRIDE;
|
||||
|
||||
static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&);
|
||||
|
||||
private:
|
||||
typedef GrGLEffect INHERITED;
|
||||
};
|
||||
|
||||
class GrLumaMaskEffect : public GrEffect {
|
||||
public:
|
||||
static GrEffectRef* Create(SkXfermode::Mode mode) {
|
||||
AutoEffectUnref effect(SkNEW_ARGS(GrLumaMaskEffect, (mode)));
|
||||
return CreateEffectRef(effect);
|
||||
}
|
||||
|
||||
virtual ~GrLumaMaskEffect();
|
||||
|
||||
typedef GrGLLumaMaskEffect GLEffect;
|
||||
static const char* Name() { return "LumaMask"; }
|
||||
|
||||
virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;
|
||||
virtual void getConstantColorComponents(GrColor*, uint32_t*) const SK_OVERRIDE;
|
||||
|
||||
SkXfermode::Mode getMode() const { return fMode; }
|
||||
|
||||
private:
|
||||
GrLumaMaskEffect(SkXfermode::Mode);
|
||||
|
||||
virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE;
|
||||
|
||||
const SkXfermode::Mode fMode;
|
||||
};
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
GrGLLumaMaskEffect::GrGLLumaMaskEffect(const GrBackendEffectFactory& factory,
|
||||
const GrDrawEffect&)
|
||||
: INHERITED(factory) {
|
||||
}
|
||||
|
||||
GrGLLumaMaskEffect::~GrGLLumaMaskEffect() {
|
||||
}
|
||||
|
||||
void GrGLLumaMaskEffect::emitCode(GrGLShaderBuilder* builder,
|
||||
const GrDrawEffect& effect,
|
||||
EffectKey key,
|
||||
const char* outputColor,
|
||||
const char* inputColor,
|
||||
const TextureSamplerArray& samplers) {
|
||||
|
||||
const GrLumaMaskEffect& lumaEffect = effect.castEffect<GrLumaMaskEffect>();
|
||||
const char* dstColor = builder->dstColor();
|
||||
SkASSERT(NULL != dstColor);
|
||||
if (NULL == inputColor) {
|
||||
inputColor = GrGLSLOnesVecf(4);
|
||||
}
|
||||
|
||||
const char *opA = lumaOpA<char>(lumaEffect.getMode(), inputColor, dstColor);
|
||||
const char *opB = lumaOpB<char>(lumaEffect.getMode(), inputColor, dstColor);
|
||||
|
||||
builder->fsCodeAppendf("\t\tfloat luma = dot(vec3(%f, %f, %f), %s.rgb); \n",
|
||||
SK_ITU_BT709_LUM_COEFF_R,
|
||||
SK_ITU_BT709_LUM_COEFF_G,
|
||||
SK_ITU_BT709_LUM_COEFF_B,
|
||||
opB);
|
||||
builder->fsCodeAppendf("\t\t%s = %s * luma;\n", outputColor, opA);
|
||||
}
|
||||
|
||||
GrGLEffect::EffectKey GrGLLumaMaskEffect::GenKey(const GrDrawEffect& drawEffect,
|
||||
const GrGLCaps&) {
|
||||
const GrLumaMaskEffect& effect = drawEffect.castEffect<GrLumaMaskEffect>();
|
||||
return (EffectKey)effect.getMode();
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
GrLumaMaskEffect::GrLumaMaskEffect(SkXfermode::Mode mode)
|
||||
: fMode(mode) {
|
||||
this->setWillReadDstColor();
|
||||
}
|
||||
|
||||
GrLumaMaskEffect::~GrLumaMaskEffect() {
|
||||
}
|
||||
|
||||
const GrBackendEffectFactory& GrLumaMaskEffect::getFactory() const {
|
||||
return GrTBackendEffectFactory<GrLumaMaskEffect>::getInstance();
|
||||
}
|
||||
|
||||
void GrLumaMaskEffect::getConstantColorComponents(GrColor*, uint32_t *validFlags) const {
|
||||
*validFlags = 0;
|
||||
}
|
||||
|
||||
bool GrLumaMaskEffect::onIsEqual(const GrEffect& sBase) const {
|
||||
return fMode == CastEffect<GrLumaMaskEffect>(sBase).fMode;
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
bool SkLumaMaskXfermode::asNewEffectOrCoeff(GrContext*, GrEffectRef** effect,
|
||||
Coeff*, Coeff*,
|
||||
GrTexture* background) const {
|
||||
// No background texture support.
|
||||
if (effect && !background) {
|
||||
*effect = GrLumaMaskEffect::Create(fMode);
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
#endif // SK_SUPPORT_GPU
|
|
@ -15,6 +15,7 @@
|
|||
#include "SkLayerDrawLooper.h"
|
||||
#include "SkMallocPixelRef.h"
|
||||
#include "SkXfermode.h"
|
||||
#include "SkLumaXfermode.h"
|
||||
#include "SkMagnifierImageFilter.h"
|
||||
|
||||
void SkFlattenable::InitializeFlattenables() {
|
||||
|
@ -24,6 +25,7 @@ void SkFlattenable::InitializeFlattenables() {
|
|||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkCornerPathEffect)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkDashPathEffect)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLayerDrawLooper)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLumaMaskXfermode)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkMallocPixelRef)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkMagnifierImageFilter)
|
||||
|
||||
|
|
|
@ -46,6 +46,7 @@
|
|||
#include "SkLayerRasterizer.h"
|
||||
#include "SkLerpXfermode.h"
|
||||
#include "SkLightingImageFilter.h"
|
||||
#include "SkLumaXfermode.h"
|
||||
#include "SkMagnifierImageFilter.h"
|
||||
#include "SkMatrixConvolutionImageFilter.h"
|
||||
#include "SkMergeImageFilter.h"
|
||||
|
@ -86,6 +87,7 @@ void SkFlattenable::InitializeFlattenables() {
|
|||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLayerDrawLooper)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLayerRasterizer)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLerpXfermode)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLumaMaskXfermode)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkPath1DPathEffect)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(Sk2DPathEffect)
|
||||
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLine2DPathEffect)
|
||||
|
|
Загрузка…
Ссылка в новой задаче