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 GrGLSLProgramDataManager_DEFINED
9#define GrGLSLProgramDataManager_DEFINED
10
11#include "include/core/SkTypes.h"
12#include "include/private/SkNoncopyable.h"
13#include "src/gpu/GrResourceHandle.h"
14
15class SkMatrix;
16class SkM44;
17
18/** Manages the resources used by a shader program.
19 * The resources are objects the program uses to communicate with the
20 * application code.
21 */
22class GrGLSLProgramDataManager : SkNoncopyable {
23public:
24 GR_DEFINE_RESOURCE_HANDLE_CLASS(UniformHandle);
25
26 virtual ~GrGLSLProgramDataManager() {}
27
28 /** Functions for uploading uniform values. The varities ending in v can be used to upload to an
29 * array of uniforms. arrayCount must be <= the array count of the uniform.
30 */
31 virtual void set1i(UniformHandle, int32_t) const = 0;
32 virtual void set1iv(UniformHandle, int arrayCount, const int v[]) const = 0;
33 virtual void set1f(UniformHandle, float v0) const = 0;
34 virtual void set1fv(UniformHandle, int arrayCount, const float v[]) const = 0;
35 virtual void set2i(UniformHandle, int32_t, int32_t) const = 0;
36 virtual void set2iv(UniformHandle, int arrayCount, const int v[]) const = 0;
37 virtual void set2f(UniformHandle, float, float) const = 0;
38 virtual void set2fv(UniformHandle, int arrayCount, const float v[]) const = 0;
39 virtual void set3i(UniformHandle, int32_t, int32_t, int32_t) const = 0;
40 virtual void set3iv(UniformHandle, int arrayCount, const int v[]) const = 0;
41 virtual void set3f(UniformHandle, float, float, float) const = 0;
42 virtual void set3fv(UniformHandle, int arrayCount, const float v[]) const = 0;
43 virtual void set4i(UniformHandle, int32_t, int32_t, int32_t, int32_t) const = 0;
44 virtual void set4iv(UniformHandle, int arrayCount, const int v[]) const = 0;
45 virtual void set4f(UniformHandle, float, float, float, float) const = 0;
46 virtual void set4fv(UniformHandle, int arrayCount, const float v[]) const = 0;
47 // matrices are column-major, the first three upload a single matrix, the latter three upload
48 // arrayCount matrices into a uniform array.
49 virtual void setMatrix2f(UniformHandle, const float matrix[]) const = 0;
50 virtual void setMatrix3f(UniformHandle, const float matrix[]) const = 0;
51 virtual void setMatrix4f(UniformHandle, const float matrix[]) const = 0;
52 virtual void setMatrix2fv(UniformHandle, int arrayCount, const float matrices[]) const = 0;
53 virtual void setMatrix3fv(UniformHandle, int arrayCount, const float matrices[]) const = 0;
54 virtual void setMatrix4fv(UniformHandle, int arrayCount, const float matrices[]) const = 0;
55
56 // convenience method for uploading a SkMatrix to a 3x3 matrix uniform
57 void setSkMatrix(UniformHandle, const SkMatrix&) const;
58 // convenience method for uploading a SkMatrix to a 4x4 matrix uniform
59 void setSkM44(UniformHandle, const SkM44&) const;
60
61 // for nvpr only
62 GR_DEFINE_RESOURCE_HANDLE_CLASS(VaryingHandle);
63 virtual void setPathFragmentInputTransform(VaryingHandle u, int components,
64 const SkMatrix& matrix) const = 0;
65
66protected:
67 GrGLSLProgramDataManager() {}
68
69private:
70 typedef SkNoncopyable INHERITED;
71};
72
73#endif
74