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/ganesh/glsl/GrGLSLProgramDataManager.h" 12 13 #include "include/private/base/SkTArray.h" 14 #include "include/private/gpu/ganesh/GrTypesPriv.h" 15 #include "src/base/SkAutoMalloc.h" 16 #include "src/core/SkSLTypeShared.h" 17 18 /** 19 * Subclass of GrGLSLProgramDataManager used to store uniforms for a program in a CPU buffer that 20 * can be uploaded to a UBO. This currently assumes uniform layouts that are compatible with 21 * Vulkan, Dawn, and D3D12. It could be used more broadly if this aspect was made configurable. 22 */ 23 class GrUniformDataManager : public GrGLSLProgramDataManager { 24 public: 25 GrUniformDataManager(uint32_t uniformCount, uint32_t uniformSize); 26 27 void set1i(UniformHandle, int32_t) const override; 28 void set1iv(UniformHandle, int arrayCount, const int32_t v[]) const override; 29 void set1f(UniformHandle, float v0) const override; 30 void set1fv(UniformHandle, int arrayCount, const float v[]) const override; 31 void set2i(UniformHandle, int32_t, int32_t) const override; 32 void set2iv(UniformHandle, int arrayCount, const int32_t v[]) const override; 33 void set2f(UniformHandle, float, float) const override; 34 void set2fv(UniformHandle, int arrayCount, const float v[]) const override; 35 void set3i(UniformHandle, int32_t, int32_t, int32_t) const override; 36 void set3iv(UniformHandle, int arrayCount, const int32_t v[]) const override; 37 void set3f(UniformHandle, float, float, float) const override; 38 void set3fv(UniformHandle, int arrayCount, const float v[]) const override; 39 void set4i(UniformHandle, int32_t, int32_t, int32_t, int32_t) const override; 40 void set4iv(UniformHandle, int arrayCount, const int32_t v[]) const override; 41 void set4f(UniformHandle, float, float, float, float) const override; 42 void set4fv(UniformHandle, int arrayCount, const float v[]) const override; 43 // Matrices are column-major. The following three calls upload a single matrix into a uniform. 44 void setMatrix2f(UniformHandle, const float matrix[]) const override; 45 void setMatrix3f(UniformHandle, const float matrix[]) const override; 46 void setMatrix4f(UniformHandle, const float matrix[]) const override; 47 // These three calls upload arrayCount matrices into a uniform array. 48 void setMatrix2fv(UniformHandle, int arrayCount, const float matrices[]) const override; 49 void setMatrix3fv(UniformHandle, int arrayCount, const float matrices[]) const override; 50 void setMatrix4fv(UniformHandle, int arrayCount, const float matrices[]) const override; 51 52 // For the uniform data to be dirty so that we will reupload on the next use. markDirty()53 void markDirty() { fUniformsDirty = true; } 54 55 protected: 56 struct Uniform { 57 uint32_t fOffset : 24; 58 SkSLType fType : 8; 59 SkDEBUGCODE( 60 int fArrayCount; 61 ); 62 }; 63 64 int copyUniforms(void* dest, const void* src, int numUniforms, SkSLType uniformType) const; 65 66 template <int N, SkSLType kFullType, SkSLType kHalfType> 67 inline void set(UniformHandle u, const void* v) const; 68 template <int N, SkSLType kFullType, SkSLType kHalfType> 69 inline void setv(UniformHandle u, int arrayCount, const void* v) const; 70 template <int N, SkSLType FullType, SkSLType HalfType> 71 inline void setMatrices(UniformHandle, int arrayCount, const float matrices[]) const; 72 73 void* getBufferPtrAndMarkDirty(const Uniform& uni) const; 74 75 uint32_t fUniformSize; 76 bool fWrite16BitUniforms = false; 77 78 SkTArray<Uniform, true> fUniforms; 79 80 mutable SkAutoMalloc fUniformData; 81 mutable bool fUniformsDirty = false; 82 }; 83 84 #endif 85