AronaCore/core/rhi/shader.h
Nanako 64db7ba909 新增scope_exit(copy from unreal engine)
新增pixel shader绘制到一张rt
2024-02-03 02:23:15 +08:00

52 lines
1.8 KiB
C++

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