| Index: src/gpu/gl/GrGLProcessor.h
|
| diff --git a/src/gpu/gl/GrGLEffect.h b/src/gpu/gl/GrGLProcessor.h
|
| similarity index 57%
|
| rename from src/gpu/gl/GrGLEffect.h
|
| rename to src/gpu/gl/GrGLProcessor.h
|
| index 61e3ed8e534f55655a9a056ccf0402f3aebafc5e..8455305b033abe4ee5c810d2ffb6b87d8acdc083 100644
|
| --- a/src/gpu/gl/GrGLEffect.h
|
| +++ b/src/gpu/gl/GrGLProcessor.h
|
| @@ -5,46 +5,45 @@
|
| * found in the LICENSE file.
|
| */
|
|
|
| -#ifndef GrGLEffect_DEFINED
|
| -#define GrGLEffect_DEFINED
|
| +#ifndef GrGLProcessor_DEFINED
|
| +#define GrGLProcessor_DEFINED
|
|
|
| -#include "GrBackendEffectFactory.h"
|
| +#include "GrBackendProcessorFactory.h"
|
| #include "GrGLProgramEffects.h"
|
| #include "GrGLShaderVar.h"
|
| #include "GrGLSL.h"
|
|
|
| -class GrGLShaderBuilder;
|
| -
|
| /** @file
|
| This file contains specializations for OpenGL of the shader stages declared in
|
| - include/gpu/GrEffect.h. Objects of type GrGLEffect are responsible for emitting the
|
| - GLSL code that implements a GrEffect and for uploading uniforms at draw time. If they don't
|
| + include/gpu/GrProcessor.h. Objects of type GrGLProcessor are responsible for emitting the
|
| + GLSL code that implements a GrProcessor and for uploading uniforms at draw time. If they don't
|
| always emit the same GLSL code, they must have a function:
|
| - static inline void GenKey(const GrEffect&, const GrGLCaps&, GrEffectKeyBuilder*)
|
| - that is used to implement a program cache. When two GrEffects produce the same key this means
|
| - that their GrGLEffects would emit the same GLSL code.
|
| + static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKeyBuilder*)
|
| + that is used to implement a program cache. When two GrProcessors produce the same key this means
|
| + that their GrGLProcessors would emit the same GLSL code.
|
|
|
| - The GrGLEffect subclass must also have a constructor of the form:
|
| - EffectSubclass::EffectSubclass(const GrBackendEffectFactory&, const GrEffect&)
|
| + The GrGLProcessor subclass must also have a constructor of the form:
|
| + EffectSubclass::EffectSubclass(const GrBackendEffectFactory&, const GrProcessor&)
|
|
|
| - These objects are created by the factory object returned by the GrEffect::getFactory().
|
| + These objects are created by the factory object returned by the GrProcessor::getFactory().
|
| */
|
|
|
| -class GrGLTexture;
|
| -class GrGLGeometryProcessor;
|
| -
|
| -class GrGLEffect {
|
| +class GrGLProcessor {
|
| public:
|
| + GrGLProcessor(const GrBackendProcessorFactory& factory)
|
| + : fFactory(factory) {
|
| + }
|
| +
|
| typedef GrGLProgramDataManager::UniformHandle UniformHandle;
|
|
|
| /**
|
| - * Passed to GrGLEffects so they can add transformed coordinates to their shader code.
|
| + * Passed to GrGLProcessors so they can add transformed coordinates to their shader code.
|
| */
|
| typedef GrShaderVar TransformedCoords;
|
| typedef SkTArray<GrShaderVar> TransformedCoordsArray;
|
|
|
| /**
|
| - * Passed to GrGLEffects so they can add texture reads to their shader code.
|
| + * Passed to GrGLProcessors so they can add texture reads to their shader code.
|
| */
|
| class TextureSampler {
|
| public:
|
| @@ -70,12 +69,32 @@ public:
|
|
|
| typedef SkTArray<TextureSampler> TextureSamplerArray;
|
|
|
| - GrGLEffect(const GrBackendEffectFactory& factory)
|
| - : fFactory(factory)
|
| - , fIsVertexEffect(false) {
|
| + 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 installed in the GrDrawEffect 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. Effects that use local coords have
|
| + to consider whether the GrProcessorStage's coord change matrix should be used. When explicit
|
| + local coordinates are used it can be ignored. */
|
| + virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) {}
|
| +
|
| + const char* name() const { return fFactory.name(); }
|
| +
|
| + static void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKeyBuilder*) {}
|
| +
|
| +protected:
|
| + const GrBackendProcessorFactory& fFactory;
|
| +};
|
| +
|
| +class GrGLFragmentProcessor : public GrGLProcessor {
|
| +public:
|
| + GrGLFragmentProcessor(const GrBackendProcessorFactory& factory)
|
| + : INHERITED(factory) {
|
| }
|
|
|
| - virtual ~GrGLEffect() {}
|
| + virtual ~GrGLFragmentProcessor() {}
|
|
|
| /** Called when the program stage should insert its code into the shaders. The code in each
|
| shader will be in its own block ({}) and so locally scoped names will not collide across
|
| @@ -83,7 +102,7 @@ public:
|
|
|
| @param builder Interface used to emit code in the shaders.
|
| @param effect The effect that generated this program stage.
|
| - @param key The key that was computed by GenKey() from the generating GrEffect.
|
| + @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).
|
| @param inputColor A vec4 that holds the input color to the stage in the FS. This may be
|
| @@ -91,42 +110,20 @@ public:
|
| TODO: Better system for communicating optimization info (e.g. input
|
| color is solid white, trans black, known to be opaque, etc.) that allows
|
| the effect to communicate back similar known info about its output.
|
| - @param samplers One entry for each GrTextureAccess of the GrEffect that generated the
|
| - GrGLEffect. These can be passed to the builder to emit texture
|
| - reads in the generated code.
|
| + @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.
|
| */
|
| virtual void emitCode(GrGLProgramBuilder* builder,
|
| - const GrEffect& effect,
|
| - const GrEffectKey& key,
|
| + const GrFragmentProcessor& effect,
|
| + const GrProcessorKey& key,
|
| const char* outputColor,
|
| const char* inputColor,
|
| const TransformedCoordsArray& coords,
|
| const TextureSamplerArray& samplers) = 0;
|
|
|
| - /** A GrGLEffect instance can be reused with any GrEffect that produces the same stage
|
| - key; this function reads data from a GrEffect and uploads any uniform variables required
|
| - by the shaders created in emitCode(). The GrEffect is
|
| - guaranteed to be of the same type that created this GrGLEffect and to have an identical
|
| - effect key as the one that created this GrGLEffect. Effects that use local coords have
|
| - to consider whether the GrEffectStage's coord change matrix should be used. When explicit
|
| - local coordinates are used it can be ignored. */
|
| - virtual void setData(const GrGLProgramDataManager&, const GrEffect&) {}
|
| -
|
| - const char* name() const { return fFactory.name(); }
|
| -
|
| - static void GenKey(const GrEffect&, const GrGLCaps&, GrEffectKeyBuilder*) {}
|
| -
|
| - /** Used by the system when generating shader code, to see if this effect can be downcasted to
|
| - the internal GrGLGeometryProcessor type */
|
| - bool isVertexEffect() const { return fIsVertexEffect; }
|
| -
|
| -protected:
|
| - const GrBackendEffectFactory& fFactory;
|
| -
|
| private:
|
| - friend class GrGLGeometryProcessor; // to set fIsVertexEffect
|
| -
|
| - bool fIsVertexEffect;
|
| + typedef GrGLProcessor INHERITED;
|
| };
|
|
|
| #endif
|
|
|