#include "SkXfermode.h"
+#include "SkXfermode_opts_SSE2.h"
#include "SkXfermode_proccoeff.h"
#include "SkColorPriv.h"
-#include "SkFlattenableBuffers.h"
+#include "SkLazyPtr.h"
#include "SkMathPriv.h"
+#include "SkReadBuffer.h"
#include "SkString.h"
#include "SkUtilsArm.h"
+#include "SkWriteBuffer.h"
#if !SK_ARM_NEON_IS_NONE
#include "SkXfermode_opts_arm_neon.h"
#endif
-SK_DEFINE_INST_COUNT(SkXfermode)
-
#define SkAlphaMulAlpha(a, b) SkMulDiv255Round(a, b)
#if 0
int L = Lum(*r, *g, *b);
int n = minimum(*r, *g, *b);
int x = maximum(*r, *g, *b);
- if(n < 0) {
- *r = L + SkMulDiv(*r - L, L, L - n);
- *g = L + SkMulDiv(*g - L, L, L - n);
- *b = L + SkMulDiv(*b - L, L, L - n);
+ int denom;
+ if ((n < 0) && (denom = L - n)) { // Compute denom and make sure it's non zero
+ *r = L + SkMulDiv(*r - L, L, denom);
+ *g = L + SkMulDiv(*g - L, L, denom);
+ *b = L + SkMulDiv(*b - L, L, denom);
}
- if (x > a) {
- *r = L + SkMulDiv(*r - L, a - L, x - L);
- *g = L + SkMulDiv(*g - L, a - L, x - L);
- *b = L + SkMulDiv(*b - L, a - L, x - L);
+ if ((x > a) && (denom = x - L)) { // Compute denom and make sure it's non zero
+ int numer = a - L;
+ *r = L + SkMulDiv(*r - L, numer, denom);
+ *g = L + SkMulDiv(*g - L, numer, denom);
+ *b = L + SkMulDiv(*b - L, numer, denom);
}
}
return false;
}
-bool SkXfermode::asNewEffect(GrEffectRef** effect, GrTexture* background) const {
+bool SkXfermode::asNewEffect(GrEffect** effect, GrTexture* background) const {
return false;
}
bool SkXfermode::AsNewEffectOrCoeff(SkXfermode* xfermode,
- GrEffectRef** effect,
+ GrEffect** effect,
Coeff* src,
Coeff* dst,
GrTexture* background) {
}
}
-///////////////////////////////////////////////////////////////////////////////
-
-void SkProcXfermode::xfer32(SkPMColor* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src, int count,
- const SkAlpha* SK_RESTRICT aa) const {
- SkASSERT(dst && src && count >= 0);
-
- SkXfermodeProc proc = fProc;
-
- if (NULL != proc) {
- if (NULL == aa) {
- for (int i = count - 1; i >= 0; --i) {
- dst[i] = proc(src[i], dst[i]);
- }
- } else {
- for (int i = count - 1; i >= 0; --i) {
- unsigned a = aa[i];
- if (0 != a) {
- SkPMColor dstC = dst[i];
- SkPMColor C = proc(src[i], dstC);
- if (a != 0xFF) {
- C = SkFourByteInterp(C, dstC, a);
- }
- dst[i] = C;
- }
- }
- }
- }
-}
-
-void SkProcXfermode::xfer16(uint16_t* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src, int count,
- const SkAlpha* SK_RESTRICT aa) const {
- SkASSERT(dst && src && count >= 0);
-
- SkXfermodeProc proc = fProc;
-
- if (NULL != proc) {
- if (NULL == aa) {
- for (int i = count - 1; i >= 0; --i) {
- SkPMColor dstC = SkPixel16ToPixel32(dst[i]);
- dst[i] = SkPixel32ToPixel16_ToU16(proc(src[i], dstC));
- }
- } else {
- for (int i = count - 1; i >= 0; --i) {
- unsigned a = aa[i];
- if (0 != a) {
- SkPMColor dstC = SkPixel16ToPixel32(dst[i]);
- SkPMColor C = proc(src[i], dstC);
- if (0xFF != a) {
- C = SkFourByteInterp(C, dstC, a);
- }
- dst[i] = SkPixel32ToPixel16_ToU16(C);
- }
- }
- }
- }
-}
-
-void SkProcXfermode::xferA8(SkAlpha* SK_RESTRICT dst,
- const SkPMColor* SK_RESTRICT src, int count,
- const SkAlpha* SK_RESTRICT aa) const {
- SkASSERT(dst && src && count >= 0);
-
- SkXfermodeProc proc = fProc;
-
- if (NULL != proc) {
- if (NULL == aa) {
- for (int i = count - 1; i >= 0; --i) {
- SkPMColor res = proc(src[i], dst[i] << SK_A32_SHIFT);
- dst[i] = SkToU8(SkGetPackedA32(res));
- }
- } else {
- for (int i = count - 1; i >= 0; --i) {
- unsigned a = aa[i];
- if (0 != a) {
- SkAlpha dstA = dst[i];
- SkPMColor res = proc(src[i], dstA << SK_A32_SHIFT);
- unsigned A = SkGetPackedA32(res);
- if (0xFF != a) {
- A = SkAlphaBlend(A, dstA, SkAlpha255To256(a));
- }
- dst[i] = SkToU8(A);
- }
- }
- }
- }
-}
-
-SkProcXfermode::SkProcXfermode(SkFlattenableReadBuffer& buffer)
- : SkXfermode(buffer) {
- fProc = NULL;
- if (!buffer.isCrossProcess()) {
- fProc = (SkXfermodeProc)buffer.readFunctionPtr();
- }
-}
-
-void SkProcXfermode::flatten(SkFlattenableWriteBuffer& buffer) const {
- this->INHERITED::flatten(buffer);
- if (!buffer.isCrossProcess()) {
- buffer.writeFunctionPtr((void*)fProc);
- }
-}
-
-#ifdef SK_DEVELOPER
-void SkProcXfermode::toString(SkString* str) const {
- str->appendf("SkProcXfermode: %p", fProc);
-}
-#endif
-
//////////////////////////////////////////////////////////////////////////////
#if SK_SUPPORT_GPU
#include "GrEffectUnitTest.h"
#include "GrTBackendEffectFactory.h"
#include "gl/GrGLEffect.h"
+#include "gl/GrGLShaderBuilder.h"
/**
* GrEffect that implements the all the separable xfer modes that cannot be expressed as Coeffs.
return mode > SkXfermode::kLastCoeffMode && mode <= SkXfermode::kLastMode;
}
- static GrEffectRef* Create(SkXfermode::Mode mode, GrTexture* background) {
+ static GrEffect* Create(SkXfermode::Mode mode, GrTexture* background) {
if (!IsSupportedMode(mode)) {
return NULL;
} else {
- AutoEffectUnref effect(SkNEW_ARGS(XferEffect, (mode, background)));
- return CreateEffectRef(effect);
+ return SkNEW_ARGS(XferEffect, (mode, background));
}
}
}
virtual void emitCode(GrGLShaderBuilder* builder,
const GrDrawEffect& drawEffect,
- EffectKey key,
+ const GrEffectKey& key,
const char* outputColor,
const char* inputColor,
const TransformedCoordsArray& coords,
break;
}
default:
- GrCrash("Unknown XferEffect mode.");
+ SkFAIL("Unknown XferEffect mode.");
break;
}
}
- static inline EffectKey GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&) {
- return drawEffect.castEffect<XferEffect>().mode();
+ static inline void GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&,
+ GrEffectKeyBuilder* b) {
+ // The background may come from the dst or from a texture.
+ uint32_t key = drawEffect.effect()->numTextures();
+ SkASSERT(key <= 1);
+ key |= drawEffect.castEffect<XferEffect>().mode() << 1;
+ b->add32(key);
}
private:
};
GR_DEFINE_EFFECT_TEST(XferEffect);
-GrEffectRef* XferEffect::TestCreate(SkRandom* rand,
- GrContext*,
- const GrDrawTargetCaps&,
- GrTexture*[]) {
+GrEffect* XferEffect::TestCreate(SkRandom* rand,
+ GrContext*,
+ const GrDrawTargetCaps&,
+ GrTexture*[]) {
int mode = rand->nextRangeU(SkXfermode::kLastCoeffMode + 1, SkXfermode::kLastSeparableMode);
- AutoEffectUnref gEffect(SkNEW_ARGS(XferEffect, (static_cast<SkXfermode::Mode>(mode), NULL)));
- return CreateEffectRef(gEffect);
+ return SkNEW_ARGS(XferEffect, (static_cast<SkXfermode::Mode>(mode), NULL));
}
#endif
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
+SkProcCoeffXfermode::SkProcCoeffXfermode(SkReadBuffer& buffer) : INHERITED(buffer) {
+ uint32_t mode32 = buffer.read32() % SK_ARRAY_COUNT(gProcCoeffs);
+ if (mode32 >= SK_ARRAY_COUNT(gProcCoeffs)) {
+ // out of range, just set to something harmless
+ mode32 = SkXfermode::kSrcOut_Mode;
+ }
+ fMode = (SkXfermode::Mode)mode32;
+
+ const ProcCoeff& rec = gProcCoeffs[fMode];
+ fProc = rec.fProc;
+ // these may be valid, or may be CANNOT_USE_COEFF
+ fSrcCoeff = rec.fSC;
+ fDstCoeff = rec.fDC;
+}
+
bool SkProcCoeffXfermode::asMode(Mode* mode) const {
if (mode) {
*mode = fMode;
return true;
}
+void SkProcCoeffXfermode::xfer32(SkPMColor* SK_RESTRICT dst,
+ const SkPMColor* SK_RESTRICT src, int count,
+ const SkAlpha* SK_RESTRICT aa) const {
+ SkASSERT(dst && src && count >= 0);
+
+ SkXfermodeProc proc = fProc;
+
+ if (NULL != proc) {
+ if (NULL == aa) {
+ for (int i = count - 1; i >= 0; --i) {
+ dst[i] = proc(src[i], dst[i]);
+ }
+ } else {
+ for (int i = count - 1; i >= 0; --i) {
+ unsigned a = aa[i];
+ if (0 != a) {
+ SkPMColor dstC = dst[i];
+ SkPMColor C = proc(src[i], dstC);
+ if (a != 0xFF) {
+ C = SkFourByteInterp(C, dstC, a);
+ }
+ dst[i] = C;
+ }
+ }
+ }
+ }
+}
+
+void SkProcCoeffXfermode::xfer16(uint16_t* SK_RESTRICT dst,
+ const SkPMColor* SK_RESTRICT src, int count,
+ const SkAlpha* SK_RESTRICT aa) const {
+ SkASSERT(dst && src && count >= 0);
+
+ SkXfermodeProc proc = fProc;
+
+ if (NULL != proc) {
+ if (NULL == aa) {
+ for (int i = count - 1; i >= 0; --i) {
+ SkPMColor dstC = SkPixel16ToPixel32(dst[i]);
+ dst[i] = SkPixel32ToPixel16_ToU16(proc(src[i], dstC));
+ }
+ } else {
+ for (int i = count - 1; i >= 0; --i) {
+ unsigned a = aa[i];
+ if (0 != a) {
+ SkPMColor dstC = SkPixel16ToPixel32(dst[i]);
+ SkPMColor C = proc(src[i], dstC);
+ if (0xFF != a) {
+ C = SkFourByteInterp(C, dstC, a);
+ }
+ dst[i] = SkPixel32ToPixel16_ToU16(C);
+ }
+ }
+ }
+ }
+}
+
+void SkProcCoeffXfermode::xferA8(SkAlpha* SK_RESTRICT dst,
+ const SkPMColor* SK_RESTRICT src, int count,
+ const SkAlpha* SK_RESTRICT aa) const {
+ SkASSERT(dst && src && count >= 0);
+
+ SkXfermodeProc proc = fProc;
+
+ if (NULL != proc) {
+ if (NULL == aa) {
+ for (int i = count - 1; i >= 0; --i) {
+ SkPMColor res = proc(src[i], dst[i] << SK_A32_SHIFT);
+ dst[i] = SkToU8(SkGetPackedA32(res));
+ }
+ } else {
+ for (int i = count - 1; i >= 0; --i) {
+ unsigned a = aa[i];
+ if (0 != a) {
+ SkAlpha dstA = dst[i];
+ SkPMColor res = proc(src[i], dstA << SK_A32_SHIFT);
+ unsigned A = SkGetPackedA32(res);
+ if (0xFF != a) {
+ A = SkAlphaBlend(A, dstA, SkAlpha255To256(a));
+ }
+ dst[i] = SkToU8(A);
+ }
+ }
+ }
+ }
+}
+
#if SK_SUPPORT_GPU
-bool SkProcCoeffXfermode::asNewEffect(GrEffectRef** effect,
- GrTexture* background) const {
+bool SkProcCoeffXfermode::asNewEffect(GrEffect** effect, GrTexture* background) const {
if (XferEffect::IsSupportedMode(fMode)) {
if (NULL != effect) {
*effect = XferEffect::Create(fMode, background);
}
#endif
-void SkProcCoeffXfermode::flatten(SkFlattenableWriteBuffer& buffer) const {
+void SkProcCoeffXfermode::flatten(SkWriteBuffer& buffer) const {
this->INHERITED::flatten(buffer);
buffer.write32(fMode);
}
SK_COMPILE_ASSERT(SK_ARRAY_COUNT(gModeStrings) == kLastMode + 1, mode_count);
}
-#ifdef SK_DEVELOPER
+#ifndef SK_IGNORE_TO_STRING
void SkProcCoeffXfermode::toString(SkString* str) const {
str->append("SkProcCoeffXfermode: ");
class SkClearXfermode : public SkProcCoeffXfermode {
public:
- SkClearXfermode(const ProcCoeff& rec) : SkProcCoeffXfermode(rec, kClear_Mode) {}
+ static SkClearXfermode* Create(const ProcCoeff& rec) {
+ return SkNEW_ARGS(SkClearXfermode, (rec));
+ }
virtual void xfer32(SkPMColor*, const SkPMColor*, int, const SkAlpha*) const SK_OVERRIDE;
virtual void xferA8(SkAlpha*, const SkPMColor*, int, const SkAlpha*) const SK_OVERRIDE;
- SK_DEVELOPER_TO_STRING()
+ SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkClearXfermode)
private:
- SkClearXfermode(SkFlattenableReadBuffer& buffer)
+ SkClearXfermode(const ProcCoeff& rec) : SkProcCoeffXfermode(rec, kClear_Mode) {}
+ SkClearXfermode(SkReadBuffer& buffer)
: SkProcCoeffXfermode(buffer) {}
typedef SkProcCoeffXfermode INHERITED;
}
}
-#ifdef SK_DEVELOPER
+#ifndef SK_IGNORE_TO_STRING
void SkClearXfermode::toString(SkString* str) const {
this->INHERITED::toString(str);
}
class SkSrcXfermode : public SkProcCoeffXfermode {
public:
- SkSrcXfermode(const ProcCoeff& rec) : SkProcCoeffXfermode(rec, kSrc_Mode) {}
+ static SkSrcXfermode* Create(const ProcCoeff& rec) {
+ return SkNEW_ARGS(SkSrcXfermode, (rec));
+ }
virtual void xfer32(SkPMColor*, const SkPMColor*, int, const SkAlpha*) const SK_OVERRIDE;
virtual void xferA8(SkAlpha*, const SkPMColor*, int, const SkAlpha*) const SK_OVERRIDE;
- SK_DEVELOPER_TO_STRING()
+ SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSrcXfermode)
private:
- SkSrcXfermode(SkFlattenableReadBuffer& buffer)
+ SkSrcXfermode(const ProcCoeff& rec) : SkProcCoeffXfermode(rec, kSrc_Mode) {}
+ SkSrcXfermode(SkReadBuffer& buffer)
: SkProcCoeffXfermode(buffer) {}
typedef SkProcCoeffXfermode INHERITED;
}
}
}
-#ifdef SK_DEVELOPER
+#ifndef SK_IGNORE_TO_STRING
void SkSrcXfermode::toString(SkString* str) const {
this->INHERITED::toString(str);
}
class SkDstInXfermode : public SkProcCoeffXfermode {
public:
- SkDstInXfermode(const ProcCoeff& rec) : SkProcCoeffXfermode(rec, kDstIn_Mode) {}
+ static SkDstInXfermode* Create(const ProcCoeff& rec) {
+ return SkNEW_ARGS(SkDstInXfermode, (rec));
+ }
virtual void xfer32(SkPMColor*, const SkPMColor*, int, const SkAlpha*) const SK_OVERRIDE;
- SK_DEVELOPER_TO_STRING()
+ SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDstInXfermode)
private:
- SkDstInXfermode(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}
+ SkDstInXfermode(const ProcCoeff& rec) : SkProcCoeffXfermode(rec, kDstIn_Mode) {}
+ SkDstInXfermode(SkReadBuffer& buffer) : INHERITED(buffer) {}
typedef SkProcCoeffXfermode INHERITED;
};
} while (--count != 0);
}
-#ifdef SK_DEVELOPER
+#ifndef SK_IGNORE_TO_STRING
void SkDstInXfermode::toString(SkString* str) const {
this->INHERITED::toString(str);
}
class SkDstOutXfermode : public SkProcCoeffXfermode {
public:
- SkDstOutXfermode(const ProcCoeff& rec) : SkProcCoeffXfermode(rec, kDstOut_Mode) {}
+ static SkDstOutXfermode* Create(const ProcCoeff& rec) {
+ return SkNEW_ARGS(SkDstOutXfermode, (rec));
+ }
virtual void xfer32(SkPMColor*, const SkPMColor*, int, const SkAlpha*) const SK_OVERRIDE;
- SK_DEVELOPER_TO_STRING()
+ SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDstOutXfermode)
private:
- SkDstOutXfermode(SkFlattenableReadBuffer& buffer)
+ SkDstOutXfermode(const ProcCoeff& rec) : SkProcCoeffXfermode(rec, kDstOut_Mode) {}
+ SkDstOutXfermode(SkReadBuffer& buffer)
: INHERITED(buffer) {}
typedef SkProcCoeffXfermode INHERITED;
} while (--count != 0);
}
-#ifdef SK_DEVELOPER
+#ifndef SK_IGNORE_TO_STRING
void SkDstOutXfermode::toString(SkString* str) const {
this->INHERITED::toString(str);
}
///////////////////////////////////////////////////////////////////////////////
-SK_DECLARE_STATIC_MUTEX(gCachedXfermodesMutex);
-static SkXfermode* gCachedXfermodes[SkXfermode::kLastMode + 1];
+extern SkProcCoeffXfermode* SkPlatformXfermodeFactory(const ProcCoeff& rec, SkXfermode::Mode mode);
+extern SkXfermodeProc SkPlatformXfermodeProcFactory(SkXfermode::Mode mode);
-void SkXfermode::Term() {
- SkAutoMutexAcquire ac(gCachedXfermodesMutex);
+// Technically, can't be static and passed as a template parameter. So we use anonymous namespace.
+namespace {
+SkXfermode* create_mode(int iMode) {
+ SkXfermode::Mode mode = (SkXfermode::Mode)iMode;
- for (size_t i = 0; i < SK_ARRAY_COUNT(gCachedXfermodes); ++i) {
- SkSafeUnref(gCachedXfermodes[i]);
- gCachedXfermodes[i] = NULL;
+ ProcCoeff rec = gProcCoeffs[mode];
+ SkXfermodeProc pp = SkPlatformXfermodeProcFactory(mode);
+ if (pp != NULL) {
+ rec.fProc = pp;
}
+
+ SkXfermode* xfer = NULL;
+ // check if we have a platform optim for that
+ SkProcCoeffXfermode* xfm = SkPlatformXfermodeFactory(rec, mode);
+ if (xfm != NULL) {
+ xfer = xfm;
+ } else {
+ // All modes can in theory be represented by the ProcCoeff rec, since
+ // it contains function ptrs. However, a few modes are both simple and
+ // commonly used, so we call those out for their own subclasses here.
+ switch (mode) {
+ case SkXfermode::kClear_Mode:
+ xfer = SkClearXfermode::Create(rec);
+ break;
+ case SkXfermode::kSrc_Mode:
+ xfer = SkSrcXfermode::Create(rec);
+ break;
+ case SkXfermode::kSrcOver_Mode:
+ SkASSERT(false); // should not land here
+ break;
+ case SkXfermode::kDstIn_Mode:
+ xfer = SkDstInXfermode::Create(rec);
+ break;
+ case SkXfermode::kDstOut_Mode:
+ xfer = SkDstOutXfermode::Create(rec);
+ break;
+ default:
+ // no special-case, just rely in the rec and its function-ptrs
+ xfer = SkProcCoeffXfermode::Create(rec, mode);
+ break;
+ }
+ }
+ return xfer;
}
+} // namespace
-extern SkProcCoeffXfermode* SkPlatformXfermodeFactory(const ProcCoeff& rec,
- SkXfermode::Mode mode);
SkXfermode* SkXfermode::Create(Mode mode) {
SkASSERT(SK_ARRAY_COUNT(gProcCoeffs) == kModeCount);
- SkASSERT(SK_ARRAY_COUNT(gCachedXfermodes) == kModeCount);
if ((unsigned)mode >= kModeCount) {
// report error
return NULL;
}
- // Skia's "defaut" mode is srcover. NULL in SkPaint is interpreted as srcover
+ // Skia's "default" mode is srcover. NULL in SkPaint is interpreted as srcover
// so we can just return NULL from the factory.
if (kSrcOver_Mode == mode) {
return NULL;
}
- // guard our access to gCachedXfermodes, since we may write into it
- SkAutoMutexAcquire ac(gCachedXfermodesMutex);
-
- SkXfermode* xfer = gCachedXfermodes[mode];
- if (NULL == xfer) {
- const ProcCoeff& rec = gProcCoeffs[mode];
-
- // check if we have a platform optim for that
- SkProcCoeffXfermode* xfm = SkPlatformXfermodeFactory(rec, mode);
- if (xfm != NULL) {
- xfer = xfm;
- } else {
- // All modes can in theory be represented by the ProcCoeff rec, since
- // it contains function ptrs. However, a few modes are both simple and
- // commonly used, so we call those out for their own subclasses here.
- switch (mode) {
- case kClear_Mode:
- xfer = SkNEW_ARGS(SkClearXfermode, (rec));
- break;
- case kSrc_Mode:
- xfer = SkNEW_ARGS(SkSrcXfermode, (rec));
- break;
- case kSrcOver_Mode:
- SkASSERT(false); // should not land here
- break;
- case kDstIn_Mode:
- xfer = SkNEW_ARGS(SkDstInXfermode, (rec));
- break;
- case kDstOut_Mode:
- xfer = SkNEW_ARGS(SkDstOutXfermode, (rec));
- break;
- default:
- // no special-case, just rely in the rec and its function-ptrs
- xfer = SkNEW_ARGS(SkProcCoeffXfermode, (rec, mode));
- break;
- }
- }
- gCachedXfermodes[mode] = xfer;
- }
- return SkSafeRef(xfer);
+ SK_DECLARE_STATIC_LAZY_PTR_ARRAY(SkXfermode, cached, kModeCount, create_mode);
+ return SkSafeRef(cached[mode]);
}
SkXfermodeProc SkXfermode::GetProc(Mode mode) {
#if !SK_ARM_NEON_IS_NONE
SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkNEONProcCoeffXfermode)
#endif
+#if defined(SK_CPU_X86) && !defined(SK_BUILD_FOR_IOS)
+ SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkSSE2ProcCoeffXfermode)
+#endif
SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END
projects / platform / framework / web / crosswalk.git / blobdiff