1 /* 2 * Copyright 2020 Google LLC 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 GrUniformDataManager_DEFINED 9 #define GrUniformDataManager_DEFINED 10 11 #include "src/gpu/glsl/GrGLSLProgramDataManager.h" 12 13 #include "include/private/GrTypesPriv.h" 14 #include "include/private/SkTArray.h" 15 #include "src/core/SkAutoMalloc.h" 16 17 /** 18 * Subclass of GrGLSLProgramDataManager used to store uniforms for a program in a CPU buffer that 19 * can be uploaded to a UBO. This currently assumes uniform layouts that are compatible with 20 * Vulkan, Dawn, and D3D12. It could be used more broadly if this aspect was made configurable. 21 */ 22 class GrUniformDataManager : public GrGLSLProgramDataManager { 23 public: 24 GrUniformDataManager(uint32_t uniformCount, uint32_t uniformSize); 25 26 void set1i(UniformHandle, int32_t) const override; 27 void set1iv(UniformHandle, int arrayCount, const int32_t v[]) const override; 28 void set1f(UniformHandle, float v0) const override; 29 void set1fv(UniformHandle, int arrayCount, const float v[]) const override; 30 void set2i(UniformHandle, int32_t, int32_t) const override; 31 void set2iv(UniformHandle, int arrayCount, const int32_t v[]) const override; 32 void set2f(UniformHandle, float, float) const override; 33 void set2fv(UniformHandle, int arrayCount, const float v[]) const override; 34 void set3i(UniformHandle, int32_t, int32_t, int32_t) const override; 35 void set3iv(UniformHandle, int arrayCount, const int32_t v[]) const override; 36 void set3f(UniformHandle, float, float, float) const override; 37 void set3fv(UniformHandle, int arrayCount, const float v[]) const override; 38 void set4i(UniformHandle, int32_t, int32_t, int32_t, int32_t) const override; 39 void set4iv(UniformHandle, int arrayCount, const int32_t v[]) const override; 40 void set4f(UniformHandle, float, float, float, float) const override; 41 void set4fv(UniformHandle, int arrayCount, const float v[]) const override; 42 // Matrices are column-major. The following three calls upload a single matrix into a uniform. 43 void setMatrix2f(UniformHandle, const float matrix[]) const override; 44 void setMatrix3f(UniformHandle, const float matrix[]) const override; 45 void setMatrix4f(UniformHandle, const float matrix[]) const override; 46 // These three calls upload arrayCount matrices into a uniform array. 47 void setMatrix2fv(UniformHandle, int arrayCount, const float matrices[]) const override; 48 void setMatrix3fv(UniformHandle, int arrayCount, const float matrices[]) const override; 49 void setMatrix4fv(UniformHandle, int arrayCount, const float matrices[]) const override; 50 51 // For the uniform data to be dirty so that we will reupload on the next use. markDirty()52 void markDirty() { fUniformsDirty = true; } 53 54 protected: 55 struct Uniform { 56 uint32_t fOffset : 24; 57 GrSLType fType : 8; 58 SkDEBUGCODE( 59 int fArrayCount; 60 ); 61 }; 62 63 int copyUniforms(void* dest, const void* src, int numUniforms, GrSLType uniformType) const; 64 65 template <int N, GrSLType kFullType, GrSLType kHalfType> 66 inline void set(UniformHandle u, const void* v) const; 67 template <int N, GrSLType kFullType, GrSLType kHalfType> 68 inline void setv(UniformHandle u, int arrayCount, const void* v) const; 69 template <int N, GrSLType FullType, GrSLType HalfType> 70 inline void setMatrices(UniformHandle, int arrayCount, const float matrices[]) const; 71 72 void* getBufferPtrAndMarkDirty(const Uniform& uni) const; 73 74 uint32_t fUniformSize; 75 bool fWrite16BitUniforms = false; 76 77 SkTArray<Uniform, true> fUniforms; 78 79 mutable SkAutoMalloc fUniformData; 80 mutable bool fUniformsDirty = false; 81 }; 82 83 #endif 84