env_manager.h

Go to the documentation of this file.

 
#ifndef ENV_MANAGER_H
#define ENV_MANAGER_H
 
#include "app_settings.h"
#include "async_loader.h"
#include "gl_common.h"
#include "ibl_coordinator.h"
#include <stdbool.h>
 
// Forward declarations
typedef struct Scene Scene;
typedef struct PostProcess PostProcess;
 
typedef enum {
    EML_STOP = 0,
    EML_UPLOAD_HDR_FROM_PBO,
    EML_MIPMAP,
    EML_START_IBL,
} EnvMapLoadingState;
 
typedef struct EnvManager {
    bool env_map_loading; 
    EnvMapLoadingState
        env_map_loading_step; 
    AsyncRequest
        current_env_req; 
    TransitionState transition_state;
    float transition_alpha;
    float transition_duration;
    bool is_first_load;
    int env_transition_mode; 
    GLuint pending_env_tex;  
} EnvManager;
 
int env_manager_load(EnvManager* mgr, AsyncLoader* loader,
                     const char* filename);
 
void env_manager_process_loading_step(EnvManager* mgr, GLuint* recycled_hdr_tex,
                                      IBLCoordinator* ibl);
 
int env_manager_trigger_transition(EnvManager* mgr, AsyncLoader* loader,
                                   const char* filename);
 
void env_manager_update_ibl(EnvManager* mgr, Scene* scene,
                            PostProcess* postproc, uint64_t frame_count,
                            int width, int height);
 
void env_manager_update_transition(EnvManager* mgr, Scene* scene,
                                   PostProcess* postproc, double delta_time,
                                   uint64_t frame_count);
 
void env_manager_render_overlay(const EnvManager* mgr, const Scene* scene);
 
/* --- Subsystem descriptor (alloc-only Phase 1) --- */
#include "app_subsystem.h"
 
int env_mgr_subsys_init(struct App* app);
void env_mgr_subsys_cleanup(struct App* app);
 
#define APP_ENV_MGR_DESCRIPTOR \
    {"env_mgr", env_mgr_subsys_init, env_mgr_subsys_cleanup}
 
#endif /* ENV_MANAGER_H */