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 | |
15 | class SkMatrix; |
16 | class 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 | */ |
22 | class GrGLSLProgramDataManager : SkNoncopyable { |
23 | public: |
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 | |
66 | protected: |
67 | GrGLSLProgramDataManager() {} |
68 | |
69 | private: |
70 | typedef SkNoncopyable INHERITED; |
71 | }; |
72 | |
73 | #endif |
74 | |