diff options
Diffstat (limited to 'src/gpu/gl/GrGLProcessor.h')
-rw-r--r-- | src/gpu/gl/GrGLProcessor.h | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/src/gpu/gl/GrGLProcessor.h b/src/gpu/gl/GrGLProcessor.h index 6401e2b324..ca4fa2459f 100644 --- a/src/gpu/gl/GrGLProcessor.h +++ b/src/gpu/gl/GrGLProcessor.h @@ -22,7 +22,7 @@ that their GrGLProcessors would emit the same GLSL code. The GrGLProcessor subclass must also have a constructor of the form: - ProcessorSubclass::ProcessorSubclass(const GrBackendProcessorFactory&, const GrProcessor&) + EffectSubclass::EffectSubclass(const GrBackendProcessorFactory&, const GrProcessor&) These objects are created by the factory object returned by the GrProcessor::getFactory(). */ @@ -70,6 +70,13 @@ public: virtual ~GrGLProcessor() {} + /** A GrGLProcessor instance can be reused with any GrProcessor that produces the same stage + key; this function reads data from a GrProcessor and uploads any uniform variables required + by the shaders created in emitCode(). The GrProcessor parameter is guaranteed to be of the + same type that created this GrGLProcessor and to have an identical effect key as the one + that created this GrGLProcessor. */ + virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) {} + const char* name() const { return fFactory.name(); } static void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKeyBuilder*) {} @@ -93,7 +100,7 @@ public: stages. @param builder Interface used to emit code in the shaders. - @param processor The processor that generated this program stage. + @param effect The effect that generated this program stage. @param key The key that was computed by GenKey() from the generating GrProcessor. @param outputColor A predefined vec4 in the FS in which the stage should place its output color (or coverage). @@ -101,27 +108,19 @@ public: NULL in which case the implied input is solid white (all ones). TODO: Better system for communicating optimization info (e.g. input color is solid white, trans black, known to be opaque, etc.) that allows - the processor to communicate back similar known info about its output. + the effect to communicate back similar known info about its output. @param samplers Contains one entry for each GrTextureAccess of the GrProcessor. These can be passed to the builder to emit texture reads in the generated code. TODO this should take a struct */ virtual void emitCode(GrGLFPBuilder* builder, - const GrFragmentProcessor&, + const GrFragmentProcessor& effect, const char* outputColor, const char* inputColor, const TransformedCoordsArray& coords, const TextureSamplerArray& samplers) = 0; - /** A GrGLFragmentProcessor instance can be reused with any GrFragmentProcessor that produces - the same stage key; this function reads data from a GrFragmentProcessor and uploads any - uniform variables required by the shaders created in emitCode(). The GrFragmentProcessor - parameter is guaranteed to be of the same type that created this GrGLFragmentProcessor and - to have an identical processor key as the one that created this GrGLFragmentProcessor. */ - // TODO update this to pass in GrFragmentProcessor - virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) {} - private: typedef GrGLProcessor INHERITED; }; |