Index: include/gpu/effects/GrColorProcessor.h |
diff --git a/include/gpu/effects/GrColorProcessor.h b/include/gpu/effects/GrColorProcessor.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..86bb58196ca7161a919989dffa6d50e24a41436a |
--- /dev/null |
+++ b/include/gpu/effects/GrColorProcessor.h |
@@ -0,0 +1,64 @@ |
+/* |
+ * Copyright 2015 Google Inc. |
+ * |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+#ifndef GrColorProcessor_DEFINED |
+#define GrColorProcessor_DEFINED |
+ |
+#include "GrFragmentProcessor.h" |
+ |
+class GrInvariantOutput; |
+ |
+/** |
+ * This is a simple GrFragmentProcessor that simply outputs a constant color. It may do one of the |
egdaniel
2015/03/04 20:22:34
maybe "This is a simple GrFragmentProcessor that s
bsalomon
2015/03/31 19:33:42
Done. :)
|
+ * following with its input color: ignore it, multiply it by the constant color, multiply its alpha |
egdaniel
2015/03/04 20:22:34
, or multiply
bsalomon
2015/03/31 19:33:42
Done.
|
+ * by the constant color and ignore the input color's r, g, and b. |
+ */ |
+class GrColorProcessor : public GrFragmentProcessor { |
egdaniel
2015/03/04 20:22:34
Can we call this GrContColorProcessor, or somethin
bsalomon
2015/03/31 19:33:42
Done.
|
+public: |
+ enum InputMode { |
+ kIgnore_InputMode, |
+ kModulateRGBA_InputMode, |
+ kModulateA_InputMode, |
+ |
+ kLastInputMode = kModulateA_InputMode |
+ }; |
+ static const int kInputModeCnt = kLastInputMode + 1; |
+ |
+ static GrFragmentProcessor* Create(GrColor color, InputMode mode) { |
+ return SkNEW_ARGS(GrColorProcessor, (color, mode)); |
+ } |
+ |
+ ~GrColorProcessor() SK_OVERRIDE {} |
+ |
+ const char* name() const SK_OVERRIDE { return "Color"; } |
+ |
+ void getGLProcessorKey(const GrGLCaps&, GrProcessorKeyBuilder*) const SK_OVERRIDE; |
+ |
+ GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; |
+ |
+ GrColor color() const { return fColor; } |
+ |
+ InputMode inputMode() const { return fMode; } |
+ |
+private: |
+ GrColorProcessor(GrColor color, InputMode mode) : fColor(color), fMode(mode) { |
+ this->initClassID<GrColorProcessor>(); |
+ } |
+ |
+ bool onIsEqual(const GrFragmentProcessor& other) const SK_OVERRIDE; |
+ |
+ void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; |
+ |
+ GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
+ |
+ GrColor fColor; |
+ InputMode fMode; |
+ |
+ typedef GrFragmentProcessor INHERITED; |
+}; |
+ |
+#endif |