70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/**
|
|
* @file compute_raytracer.h
|
|
* @brief GPU compute shader ray tracing implementation
|
|
*/
|
|
|
|
#ifndef ARE_INCLUDE_RAYTRACER_COMPUTE_RAYTRACER_H
|
|
#define ARE_INCLUDE_RAYTRACER_COMPUTE_RAYTRACER_H
|
|
|
|
#include <are/raytracer/raytracer.h>
|
|
#include <are/rasterizer/shader_program.h>
|
|
#include <memory>
|
|
|
|
namespace are {
|
|
|
|
/**
|
|
* @class ComputeRayTracer
|
|
* @brief GPU-based ray tracing using compute shaders
|
|
*/
|
|
class ComputeRayTracer : public RayTracer {
|
|
public:
|
|
/**
|
|
* @brief Constructor
|
|
* @param config Ray tracing configuration
|
|
*/
|
|
explicit ComputeRayTracer(const RayTracingConfig& config);
|
|
|
|
/**
|
|
* @brief Destructor
|
|
*/
|
|
~ComputeRayTracer() override;
|
|
|
|
/**
|
|
* @brief Render scene using compute shader ray tracing
|
|
* @param scene Scene manager
|
|
* @param camera Camera
|
|
* @param gbuffer G-Buffer (optional)
|
|
* @param output Output texture ID
|
|
*/
|
|
void render(const SceneManager& scene,
|
|
const Camera& camera,
|
|
const GBuffer* gbuffer,
|
|
uint32_t output_texture) override;
|
|
|
|
/**
|
|
* @brief Update BVH
|
|
* @param bvh BVH reference
|
|
*/
|
|
void update_bvh(const BVH& bvh) override;
|
|
|
|
private:
|
|
void initialize_compute_shader(const std::string& shader_dir);
|
|
void upload_scene_data(const SceneManager& scene);
|
|
void upload_bvh_data(const BVH& bvh);
|
|
void upload_camera_data(const Camera& camera);
|
|
|
|
std::unique_ptr<ShaderProgram> compute_shader_; ///< Ray tracing compute shader
|
|
|
|
// GPU buffers (SSBOs)
|
|
uint32_t bvh_buffer_; ///< BVH nodes buffer
|
|
uint32_t triangle_buffer_; ///< Triangle data buffer
|
|
uint32_t material_buffer_; ///< Material data buffer
|
|
uint32_t light_buffer_; ///< Light data buffer
|
|
|
|
bool buffers_initialized_; ///< Buffer initialization flag
|
|
};
|
|
|
|
} // namespace are
|
|
|
|
#endif // ARE_INCLUDE_RAYTRACER_COMPUTE_RAYTRACER_H
|