gfx/skia/trunk/src/gpu/gl/GrGLVertexEffect.h@6474c204b198
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.
1 /*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
8 #ifndef GrGLVertexEffect_DEFINED
9 #define GrGLVertexEffect_DEFINED
11 #include "GrGLEffect.h"
13 /**
14 * If a GL effect needs a GrGLFullShaderBuilder* object to emit vertex code, then it must inherit
15 * from this class. Since paths don't have vertices, this class is only meant to be used internally
16 * by skia, for special cases.
17 */
18 class GrGLVertexEffect : public GrGLEffect {
19 public:
20 GrGLVertexEffect(const GrBackendEffectFactory& factory)
21 : INHERITED(factory) { fIsVertexEffect = true; }
23 /**
24 * This is similar to emitCode() in the base class, except it takes a full shader builder.
25 * This allows the effect subclass to emit vertex code.
26 */
27 virtual void emitCode(GrGLFullShaderBuilder* builder,
28 const GrDrawEffect& drawEffect,
29 EffectKey key,
30 const char* outputColor,
31 const char* inputColor,
32 const TransformedCoordsArray& coords,
33 const TextureSamplerArray& samplers) = 0;
35 /**
36 * Provide a default override for base class's emitCode() function.
37 */
38 virtual void emitCode(GrGLShaderBuilder* builder,
39 const GrDrawEffect& drawEffect,
40 EffectKey key,
41 const char* outputColor,
42 const char* inputColor,
43 const TransformedCoordsArray& coords,
44 const TextureSamplerArray& samplers) SK_OVERRIDE {
45 GrCrash("GrGLVertexEffect requires GrGLFullShaderBuilder* overload for emitCode().");
46 }
48 private:
49 typedef GrGLEffect INHERITED;
50 };
52 #endif
