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 ~GrGLSLProgramDataManager()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: GrGLSLProgramDataManager()67 GrGLSLProgramDataManager() {} 68 69 private: 70 using INHERITED = SkNoncopyable; 71 }; 72 73 #endif 74