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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 */ | |
7 | |
8 #ifndef GrCustomCoordsTextureEffect_DEFINED | |
9 #define GrCustomCoordsTextureEffect_DEFINED | |
10 | |
11 #include "GrProcessor.h" | |
12 #include "GrGeometryProcessor.h" | |
13 | |
14 class GrGLCustomCoordsTextureEffect; | |
15 class GrInvariantOutput; | |
16 | |
17 /** | |
18 * The output color of this effect is a modulation of the input color and a samp
le from a texture. | |
19 * It allows explicit specification of the filtering and wrap modes (GrTexturePa
rams). The input | |
20 * coords are a custom attribute. | |
21 */ | |
22 class GrCustomCoordsTextureEffect : public GrGeometryProcessor { | |
23 public: | |
24 static GrGeometryProcessor* Create(GrTexture* tex, const GrTextureParams& p,
bool hasColor) { | |
25 return SkNEW_ARGS(GrCustomCoordsTextureEffect, (tex, p, hasColor)); | |
26 } | |
27 | |
28 virtual ~GrCustomCoordsTextureEffect() {} | |
29 | |
30 virtual const char* name() const SK_OVERRIDE { return "Texture"; } | |
31 | |
32 const GrAttribute* inPosition() const { return fInPosition; } | |
33 const GrAttribute* inColor() const { return fInColor; } | |
34 const GrAttribute* inTextureCoords() const { return fInTextureCoords; } | |
35 | |
36 virtual void getGLProcessorKey(const GrBatchTracker& bt, | |
37 const GrGLCaps& caps, | |
38 GrProcessorKeyBuilder* b) const SK_OVERRIDE; | |
39 | |
40 virtual GrGLGeometryProcessor* createGLInstance(const GrBatchTracker& bt) co
nst SK_OVERRIDE; | |
41 | |
42 private: | |
43 GrCustomCoordsTextureEffect(GrTexture* texture, const GrTextureParams& param
s, bool hasColor); | |
44 | |
45 virtual bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE; | |
46 | |
47 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE; | |
48 | |
49 GrTextureAccess fTextureAccess; | |
50 const GrAttribute* fInPosition; | |
51 const GrAttribute* fInColor; | |
52 const GrAttribute* fInTextureCoords; | |
53 | |
54 GR_DECLARE_GEOMETRY_PROCESSOR_TEST; | |
55 | |
56 typedef GrGeometryProcessor INHERITED; | |
57 }; | |
58 | |
59 #endif | |
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