gfx/skia/trunk/src/gpu/gl/GrGLVertexEffect.h@6474c204b198 (annotated)
gfx/skia/trunk/src/gpu/gl/GrGLVertexEffect.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef GrGLVertexEffect_DEFINED |
| michael@0 | 9 | #define GrGLVertexEffect_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "GrGLEffect.h" |
| michael@0 | 12 | |
| michael@0 | 13 | /** |
| michael@0 | 14 | * If a GL effect needs a GrGLFullShaderBuilder* object to emit vertex code, then it must inherit |
| michael@0 | 15 | * from this class. Since paths don't have vertices, this class is only meant to be used internally |
| michael@0 | 16 | * by skia, for special cases. |
| michael@0 | 17 | */ |
| michael@0 | 18 | class GrGLVertexEffect : public GrGLEffect { |
| michael@0 | 19 | public: |
| michael@0 | 20 | GrGLVertexEffect(const GrBackendEffectFactory& factory) |
| michael@0 | 21 | : INHERITED(factory) { fIsVertexEffect = true; } |
| michael@0 | 22 | |
| michael@0 | 23 | /** |
| michael@0 | 24 | * This is similar to emitCode() in the base class, except it takes a full shader builder. |
| michael@0 | 25 | * This allows the effect subclass to emit vertex code. |
| michael@0 | 26 | */ |
| michael@0 | 27 | virtual void emitCode(GrGLFullShaderBuilder* builder, |
| michael@0 | 28 | const GrDrawEffect& drawEffect, |
| michael@0 | 29 | EffectKey key, |
| michael@0 | 30 | const char* outputColor, |
| michael@0 | 31 | const char* inputColor, |
| michael@0 | 32 | const TransformedCoordsArray& coords, |
| michael@0 | 33 | const TextureSamplerArray& samplers) = 0; |
| michael@0 | 34 | |
| michael@0 | 35 | /** |
| michael@0 | 36 | * Provide a default override for base class's emitCode() function. |
| michael@0 | 37 | */ |
| michael@0 | 38 | virtual void emitCode(GrGLShaderBuilder* builder, |
| michael@0 | 39 | const GrDrawEffect& drawEffect, |
| michael@0 | 40 | EffectKey key, |
| michael@0 | 41 | const char* outputColor, |
| michael@0 | 42 | const char* inputColor, |
| michael@0 | 43 | const TransformedCoordsArray& coords, |
| michael@0 | 44 | const TextureSamplerArray& samplers) SK_OVERRIDE { |
| michael@0 | 45 | GrCrash("GrGLVertexEffect requires GrGLFullShaderBuilder* overload for emitCode()."); |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | private: |
| michael@0 | 49 | typedef GrGLEffect INHERITED; |
| michael@0 | 50 | }; |
| michael@0 | 51 | |
| michael@0 | 52 | #endif |
