Remove default implementation of GrEffect::isEqual. Make GrSingleTextureEffect abstract.
Review URL: https://codereview.appspot.com/7142049
git-svn-id: http://skia.googlecode.com/svn/trunk@7254 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/gradients/SkGradientShader.cpp b/src/effects/gradients/SkGradientShader.cpp
index ba72eea..7645024 100644
--- a/src/effects/gradients/SkGradientShader.cpp
+++ b/src/effects/gradients/SkGradientShader.cpp
@@ -829,6 +829,24 @@
}
}
+bool GrGradientEffect::onIsEqual(const GrEffect& effect) const {
+ const GrGradientEffect& s = static_cast<const GrGradientEffect&>(effect);
+ return fTextureAccess.getTexture() == s.fTextureAccess.getTexture() &&
+ fTextureAccess.getParams().getTileModeX() ==
+ s.fTextureAccess.getParams().getTileModeX() &&
+ this->useAtlas() == s.useAtlas() &&
+ fYCoord == s.getYCoord() &&
+ fMatrix.cheapEqualTo(s.getMatrix());
+}
+
+void GrGradientEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
+ if (fIsOpaque && (kA_ValidComponentFlag & *validFlags) && 0xff == GrColorUnpackA(*color)) {
+ *validFlags = kA_ValidComponentFlag;
+ } else {
+ *validFlags = 0;
+ }
+}
+
int GrGradientEffect::RandomGradientParams(SkRandom* random,
SkColor colors[],
SkScalar** stops,