| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrGLSLProgramDataManager_DEFINED |
| #define GrGLSLProgramDataManager_DEFINED |
| |
| #include "include/core/SkTypes.h" |
| #include "include/effects/SkRuntimeEffect.h" |
| #include "include/private/base/SkNoncopyable.h" |
| #include "src/gpu/ganesh/GrResourceHandle.h" |
| |
| class SkMatrix; |
| class SkM44; |
| |
| /** Manages the resources used by a shader program. |
| * The resources are objects the program uses to communicate with the |
| * application code. |
| */ |
| class GrGLSLProgramDataManager { |
| public: |
| GR_DEFINE_RESOURCE_HANDLE_CLASS(UniformHandle); |
| |
| virtual ~GrGLSLProgramDataManager() {} |
| |
| /** Functions for uploading uniform values. The varities ending in v can be used to upload to an |
| * array of uniforms. arrayCount must be <= the array count of the uniform. |
| */ |
| virtual void set1i(UniformHandle, int32_t) const = 0; |
| virtual void set1iv(UniformHandle, int arrayCount, const int v[]) const = 0; |
| virtual void set1f(UniformHandle, float v0) const = 0; |
| virtual void set1fv(UniformHandle, int arrayCount, const float v[]) const = 0; |
| virtual void set2i(UniformHandle, int32_t, int32_t) const = 0; |
| virtual void set2iv(UniformHandle, int arrayCount, const int v[]) const = 0; |
| virtual void set2f(UniformHandle, float, float) const = 0; |
| virtual void set2fv(UniformHandle, int arrayCount, const float v[]) const = 0; |
| virtual void set3i(UniformHandle, int32_t, int32_t, int32_t) const = 0; |
| virtual void set3iv(UniformHandle, int arrayCount, const int v[]) const = 0; |
| virtual void set3f(UniformHandle, float, float, float) const = 0; |
| virtual void set3fv(UniformHandle, int arrayCount, const float v[]) const = 0; |
| virtual void set4i(UniformHandle, int32_t, int32_t, int32_t, int32_t) const = 0; |
| virtual void set4iv(UniformHandle, int arrayCount, const int v[]) const = 0; |
| virtual void set4f(UniformHandle, float, float, float, float) const = 0; |
| virtual void set4fv(UniformHandle, int arrayCount, const float v[]) const = 0; |
| // matrices are column-major, the first three upload a single matrix, the latter three upload |
| // arrayCount matrices into a uniform array. |
| virtual void setMatrix2f(UniformHandle, const float matrix[]) const = 0; |
| virtual void setMatrix3f(UniformHandle, const float matrix[]) const = 0; |
| virtual void setMatrix4f(UniformHandle, const float matrix[]) const = 0; |
| virtual void setMatrix2fv(UniformHandle, int arrayCount, const float matrices[]) const = 0; |
| virtual void setMatrix3fv(UniformHandle, int arrayCount, const float matrices[]) const = 0; |
| virtual void setMatrix4fv(UniformHandle, int arrayCount, const float matrices[]) const = 0; |
| |
| // convenience method for uploading a SkMatrix to a 3x3 matrix uniform |
| void setSkMatrix(UniformHandle, const SkMatrix&) const; |
| // convenience method for uploading a SkMatrix to a 4x4 matrix uniform |
| void setSkM44(UniformHandle, const SkM44&) const; |
| |
| enum class Specialized : bool { kNo = false, kYes = true }; |
| |
| /** |
| * Sets runtime effect uniform values. The Specialized span is optional. If it is non-empty |
| * then it should be the same size as the Uniform span. Uniforms for which the Specialized value |
| * is kYes will be skipped and the UniformHandle span should have an entry for each |
| * kNo value. If Specialized is empty then the Uniform and UniformHandle spans should have the |
| * same size. |
| */ |
| void setRuntimeEffectUniforms(SkSpan<const SkRuntimeEffect::Uniform>, |
| SkSpan<const UniformHandle>, |
| SkSpan<const Specialized>, |
| const void* src) const; |
| |
| void setRuntimeEffectUniforms(SkSpan<const SkRuntimeEffect::Uniform> uniforms, |
| SkSpan<const UniformHandle> handles, |
| const void* src) const { |
| this->setRuntimeEffectUniforms(uniforms, handles, {}, src); |
| } |
| |
| protected: |
| GrGLSLProgramDataManager() {} |
| |
| private: |
| GrGLSLProgramDataManager(const GrGLSLProgramDataManager&) = delete; |
| GrGLSLProgramDataManager& operator=(const GrGLSLProgramDataManager&) = delete; |
| |
| using INHERITED = SkNoncopyable; |
| }; |
| |
| #endif |