Move GPU gradients into src/effects/gradients.
Review URL: https://codereview.appspot.com/6453055
git-svn-id: http://skia.googlecode.com/svn/trunk@4805 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/gradients/SkSweepGradient.cpp b/src/effects/gradients/SkSweepGradient.cpp
index 0ef957f..7f50494 100644
--- a/src/effects/gradients/SkSweepGradient.cpp
+++ b/src/effects/gradients/SkSweepGradient.cpp
@@ -387,3 +387,58 @@
}
}
+/////////////////////////////////////////////////////////////////////
+
+class GrGLSweepGradient : public GrGLGradientStage {
+
+public:
+
+ GrGLSweepGradient(const GrProgramStageFactory& factory,
+ const GrCustomStage&) : INHERITED (factory) { }
+ virtual ~GrGLSweepGradient() { }
+
+ virtual void emitVS(GrGLShaderBuilder* builder,
+ const char* vertexCoords) SK_OVERRIDE { }
+ virtual void emitFS(GrGLShaderBuilder* builder,
+ const char* outputColor,
+ const char* inputColor,
+ const char* samplerName) SK_OVERRIDE;
+
+ static StageKey GenKey(const GrCustomStage& s) { return 0; }
+
+private:
+
+ typedef GrGLGradientStage INHERITED;
+
+};
+
+void GrGLSweepGradient::emitFS(GrGLShaderBuilder* builder,
+ const char* outputColor,
+ const char* inputColor,
+ const char* samplerName) {
+ SkString t;
+ t.printf("atan(- %s.y, - %s.x) * 0.1591549430918 + 0.5",
+ builder->fSampleCoords.c_str(), builder->fSampleCoords.c_str());
+ this->emitColorLookup(builder, t.c_str(), outputColor, samplerName);
+}
+
+/////////////////////////////////////////////////////////////////////
+
+GrSweepGradient::GrSweepGradient(GrTexture* texture)
+ : INHERITED(texture) {
+
+}
+
+GrSweepGradient::GrSweepGradient(GrContext* ctx, const SkShader& shader,
+ GrSamplerState* sampler)
+ : INHERITED(ctx, shader, sampler) {
+}
+
+GrSweepGradient::~GrSweepGradient() {
+
+}
+
+const GrProgramStageFactory& GrSweepGradient::getFactory() const {
+ return GrTProgramStageFactory<GrSweepGradient>::getInstance();
+}
+