diff options
Diffstat (limited to 'src/effects')
| -rw-r--r-- | src/effects/SkGradientShader.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/effects/SkGradientShader.cpp b/src/effects/SkGradientShader.cpp index b86c4e2e8a..8838e77eb0 100644 --- a/src/effects/SkGradientShader.cpp +++ b/src/effects/SkGradientShader.cpp @@ -15,6 +15,9 @@ #include "SkUtils.h" #include "SkTemplates.h" #include "SkBitmapCache.h" +#include "../gpu/effects/GrGradientEffects.h" +#include "../gpu/GrSamplerState.h" +#include "../gpu/SkGr.h" #ifndef SK_DISABLE_DITHER_32BIT_GRADIENT #define USE_DITHER_32BIT_GRADIENT @@ -796,6 +799,8 @@ public: virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*, SkScalar* twoPointRadialParams) const SK_OVERRIDE; virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; + virtual GrCustomStage* asNewCustomStage(GrContext* context, + GrSamplerState* sampler) const SK_OVERRIDE; SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Linear_Gradient) @@ -1044,6 +1049,16 @@ SkShader::GradientType Linear_Gradient::asAGradient(GradientInfo* info) const { return kLinear_GradientType; } +GrCustomStage* Linear_Gradient::asNewCustomStage(GrContext* context, + GrSamplerState* sampler) const { + SkASSERT(NULL != context && NULL != sampler); + sampler->matrix()->preConcat(fPtsToUnit); + sampler->setWrapX(sk_tile_mode_to_grwrap(fTileMode)); + sampler->setWrapY(sk_tile_mode_to_grwrap(kClamp_TileMode)); + sampler->setFilter(GrSamplerState::kBilinear_Filter); + return SkNEW_ARGS(GrLinearGradient, (context, *this)); +} + static void dither_memset16(uint16_t dst[], uint16_t value, uint16_t other, int count) { if (reinterpret_cast<uintptr_t>(dst) & 2) { @@ -1444,6 +1459,7 @@ public: } return kRadial_BitmapType; } + virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE { if (info) { commonAsAGradient(info); @@ -1453,6 +1469,16 @@ public: return kRadial_GradientType; } + virtual GrCustomStage* asNewCustomStage(GrContext* context, + GrSamplerState* sampler) const SK_OVERRIDE { + SkASSERT(NULL != context && NULL != sampler); + sampler->matrix()->preConcat(fPtsToUnit); + sampler->setWrapX(sk_tile_mode_to_grwrap(fTileMode)); + sampler->setWrapY(sk_tile_mode_to_grwrap(kClamp_TileMode)); + sampler->setFilter(GrSamplerState::kBilinear_Filter); + return SkNEW_ARGS(GrRadialGradient, (context, *this)); + } + SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Radial_Gradient) protected: @@ -1903,6 +1929,24 @@ public: return kRadial2_GradientType; } + virtual GrCustomStage* asNewCustomStage(GrContext* context, + GrSamplerState* sampler) const SK_OVERRIDE { + SkASSERT(NULL != context && NULL != sampler); + SkScalar diffLen = fDiff.length(); + if (0 != diffLen) { + SkScalar invDiffLen = SkScalarInvert(diffLen); + sampler->matrix()->setSinCos(-SkScalarMul(invDiffLen, fDiff.fY), + SkScalarMul(invDiffLen, fDiff.fX)); + } else { + sampler->matrix()->reset(); + } + sampler->matrix()->preConcat(fPtsToUnit); + sampler->setWrapX(sk_tile_mode_to_grwrap(fTileMode)); + sampler->setWrapY(sk_tile_mode_to_grwrap(kClamp_TileMode)); + sampler->setFilter(GrSamplerState::kBilinear_Filter); + return SkNEW_ARGS(GrRadial2Gradient, (context, *this)); + } + virtual void shadeSpan(int x, int y, SkPMColor* dstCParam, int count) SK_OVERRIDE { SkASSERT(count > 0); @@ -2355,6 +2399,25 @@ public: return kConical_GradientType; } + virtual GrCustomStage* asNewCustomStage(GrContext* context, + GrSamplerState* sampler) const SK_OVERRIDE { + SkASSERT(NULL != context && NULL != sampler); + SkPoint diff = fCenter2 - fCenter1; + SkScalar diffLen = diff.length(); + if (0 != diffLen) { + SkScalar invDiffLen = SkScalarInvert(diffLen); + sampler->matrix()->setSinCos(-SkScalarMul(invDiffLen, diff.fY), + SkScalarMul(invDiffLen, diff.fX)); + } else { + sampler->matrix()->reset(); + } + sampler->matrix()->preTranslate(-fCenter1.fX, -fCenter1.fY); + sampler->setWrapX(sk_tile_mode_to_grwrap(fTileMode)); + sampler->setWrapY(sk_tile_mode_to_grwrap(kClamp_TileMode)); + sampler->setFilter(GrSamplerState::kBilinear_Filter); + return SkNEW_ARGS(GrConical2Gradient, (context, *this)); + } + SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Two_Point_Conical_Gradient) protected: @@ -2422,6 +2485,15 @@ public: return kSweep_GradientType; } + virtual GrCustomStage* asNewCustomStage(GrContext* context, + GrSamplerState* sampler) const SK_OVERRIDE { + sampler->matrix()->preConcat(fPtsToUnit); + sampler->setWrapX(sk_tile_mode_to_grwrap(fTileMode)); + sampler->setWrapY(sk_tile_mode_to_grwrap(kClamp_TileMode)); + sampler->setFilter(GrSamplerState::kBilinear_Filter); + return SkNEW_ARGS(GrSweepGradient, (context, *this)); + } + SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Sweep_Gradient) protected: |