1 /*
2  * Copyright 2015 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 GrGLVaryingHandler_DEFINED
9 #define GrGLVaryingHandler_DEFINED
10 
11 #include "glsl/GrGLSLVarying.h"
12 #include "GrTypesPriv.h"
13 #include "gl/GrGLProgramDataManager.h"
14 
15 class GrGLVaryingHandler : public GrGLSLVaryingHandler {
16 public:
GrGLVaryingHandler(GrGLSLProgramBuilder * program)17     GrGLVaryingHandler(GrGLSLProgramBuilder* program)
18         : INHERITED(program),
19         fPathProcVaryingInfos(kVaryingsPerBlock) {}
20 
21     // This function is used by the NVPR PathProcessor to add a varying directly into the fragment
22     // shader since there is no vertex shader.
23     VaryingHandle addPathProcessingVarying(const char* name, GrGLSLVarying*);
24 
25 private:
26     void onFinalize() override;
27 
28     GrGLProgramDataManager::VaryingInfoArray fPathProcVaryingInfos;
29 
30     friend class GrGLProgramBuilder;
31 
32     typedef GrGLSLVaryingHandler INHERITED;
33 };
34 
35 #endif
36