aurora-rendering-engine/include/core/gbuffer.h

82 lines
1.6 KiB
C++

#ifndef ARE_INCLUDE_CORE_GBUFFER_H
#define ARE_INCLUDE_CORE_GBUFFER_H
#include "basic/constants.h"
#include "basic/types.h"
#include "resource/shader.h"
#include "scene/scene.h"
namespace are {
// G-Buffer manager for deferred rendering
class GBuffer {
public:
/*
* @brief Constructor
* @param width Buffer width
* @param height Buffer height
*/
GBuffer(uint width, uint height);
// Destructor
~GBuffer();
/*
* @brief Initialize G-Buffer (create framebuffer and textures)
* @return True if initialization succeeded
*/
bool initialize();
// Release G-Buffer resources
void release();
/*
* @brief Render scene to G-Buffer
* @param scene Scene to render
* @param shader Shader program for G-Buffer pass
*/
void render(const Scene &scene, const Shader &shader);
/*
* @brief Resize G-Buffer
* @param width New width
* @param height New height
*/
void resize(uint width, uint height);
/*
* @brief Get texture handle for specific buffer
* @param index Buffer index (GBUFFER_POSITION, GBUFFER_NORMAL, etc.)
* @return Texture handle
*/
TextureHandle get_texture(int index) const;
/*
* @brief Get framebuffer handle
* @return Framebuffer handle
*/
FramebufferHandle get_framebuffer() const {
return fbo_;
}
/*
* @brief Get buffer dimensions
* @param width Output width
* @param height Output height
*/
void get_dimensions(uint &width, uint &height) const;
private:
uint width_;
uint height_;
FramebufferHandle fbo_;
TextureHandle textures_[GBUFFER_COUNT];
TextureHandle depth_texture_;
bool initialized_;
};
} // namespace are
#endif // ARE_INCLUDE_CORE_GBUFFER_H