74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
/**
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* @file rasterizer.h
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* @brief Rasterization pipeline for G-Buffer generation
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*/
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#ifndef ARE_INCLUDE_RASTERIZER_RASTERIZER_H
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#define ARE_INCLUDE_RASTERIZER_RASTERIZER_H
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#include <are/core/types.h>
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#include <memory>
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#include <functional>
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#include <string>
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namespace are {
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class GBuffer;
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class ShaderProgram;
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class SceneManager;
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class Camera;
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class Mesh;
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/**
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* @struct RasterizerState
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* @brief Rasterizer fixed-function state (configurable)
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*/
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struct RasterizerState {
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bool enable_depth_test = true;
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bool enable_cull_face = false;
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uint32_t cull_face_mode = 0x0405; // GL_BACK
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uint32_t front_face = 0x0901; // GL_CCW
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};
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class Rasterizer {
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public:
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Rasterizer(int width, int height);
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~Rasterizer();
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void resize(int width, int height);
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void render_gbuffer(const SceneManager& scene, const Camera& camera);
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GBuffer& get_gbuffer();
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const GBuffer& get_gbuffer() const;
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void upload_mesh(Mesh& mesh);
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void delete_mesh(Mesh& mesh);
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void initialize_shaders(const std::string& shader_dir);
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void set_triangle_base_provider(std::function<uint32_t(size_t)> provider);
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/**
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* @brief Set rasterizer fixed-function state
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* @param state State
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*/
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void set_state(const RasterizerState& state);
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private:
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void setup_mesh_buffers(Mesh& mesh);
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std::unique_ptr<GBuffer> gbuffer_;
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std::unique_ptr<ShaderProgram> gbuffer_shader_;
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std::function<uint32_t(size_t)> triangle_base_provider_;
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RasterizerState state_;
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int width_;
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int height_;
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};
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} // namespace are
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#endif // ARE_INCLUDE_RASTERIZER_RASTERIZER_H
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