52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
#pragma once
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class render_target;
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class texture;
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class slang_handle;
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class shader
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{
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public:
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virtual ~shader() = default;
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explicit shader(const std::shared_ptr<slang_handle>& handle) : handle_(handle) {}
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virtual bool init() { return false; }
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[[nodiscard]] virtual bool is_initialized() const = 0;
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[[nodiscard]] virtual bool is_valid() const { return handle_ != nullptr && is_initialized(); }
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virtual void bind() = 0;
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virtual void unbind() = 0;
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virtual void compute(int x, int y, int z) {}
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virtual void draw(int width, int height, std::shared_ptr<shader> in_vertex_shader = nullptr) {}
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// param setters
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virtual void set_constant_buffer(const char* name, void* buffer, int size) = 0;
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virtual void set_uav_buffer(const char* name, void* buffer, int size, int element_size) {}
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virtual void set_texture(const char* name, std::shared_ptr<texture> in_texture) = 0;
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virtual void set_render_target(const char* name, std::shared_ptr<render_target> in_render_target) = 0;
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template<typename T>
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void set_constant_buffer(const char* name, const T& buffer)
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{
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set_constant_buffer(name, (void*)&buffer, sizeof(T));
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}
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template<typename T>
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void set_constant_buffer(const char* name, const std::vector<T>& buffer)
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{
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set_constant_buffer(name, (void*)buffer.data(), sizeof(T) * buffer.size());
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}
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template<typename T>
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void set_uav_buffer(const char* name, const T& buffer)
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{
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set_uav_buffer(name, (void*)&buffer, sizeof(T));
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}
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template<typename T>
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void set_uav_buffer(const char* name, const std::vector<T>& buffer)
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{
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set_uav_buffer(name, (void*)buffer.data(), sizeof(T) * buffer.size());
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}
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protected:
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std::shared_ptr<slang_handle> handle_;
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};
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