scene.h File Reference

#include "app_settings.h"
#include "billboard_rendering.h"
#include "gl_common.h"
#include "gpu_profiler.h"
#include "ibl_coordinator.h"
#include "icosphere.h"
#include "instanced_rendering.h"
#include "light_probes.h"
#include "material.h"
#include "shader.h"
#include "skybox.h"
#include "sphere_sorting.h"
#include <cglm/cglm.h>

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Data Structures
struct	InstancedUniforms
	Cached uniform locations for PBR instanced rendering. More...
struct	DebugUniforms
	Cached uniform locations for debug line rendering. More...
struct	BillboardUBO
	GPU-side uniform buffer for billboard rendering (std140 layout). More...
struct	BillboardUniforms
	Cached uniform locations for billboard rendering. More...
struct	Scene
	Encapsulates all 3D scene data, geometry, and rendering state. More...

Enumerations
enum	SortingMode { SORTING_MODE_CPU_QSORT = 0 , SORTING_MODE_CPU_RADIX , SORTING_MODE_GPU_BITONIC , SORTING_MODE_COUNT }
	Sorting algorithms for transparent billboards. More...
enum	GIMode { GI_MODE_OFF = 0 , GI_MODE_3D_TEX , GI_MODE_SSBO , GI_MODE_COUNT }
	Global Illumination sampling methods. More...
enum	AAMode { AA_MODE_SCREEN_SPACE = 0 , AA_MODE_CURVATURE , AA_MODE_COUNT }
	Specular Anti-Aliasing modes. More...
enum	{ IBL_TEXTURE_COUNT = 3 }
enum	{ TEXTURE_UNIT_IBL_START = 15 }
enum	{ MAT4_FLOAT_COUNT = 16 }

Functions
	_Static_assert (_Alignof(BillboardUBO) >=GL_UBO_ALIGNMENT, "BillboardUBO" " must be >= 32-byte aligned for AVX (cglm)")
int	scene_init (Scene *scene)
	Initializes the scene resources. More...
void	scene_cleanup (Scene *scene)
	Cleans up scene resources. More...
const char *	aa_mode_to_string (AAMode mode)
	Returns a string representation of the AA mode. More...
void	scene_render (Scene *scene, GPUProfiler *profiler, mat4 view, mat4 proj, vec3 camera_pos, mat4 previous_view_proj, int width, int height)
	Renders the scene. More...
void	scene_update_gpu_buffers (Scene *scene)
	Updates GPU buffers for dynamic geometry (e.g. LOD changes). More...

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
IBL_TEXTURE_COUNT

anonymous enum

anonymous enum

Enumerator
TEXTURE_UNIT_IBL_START

anonymous enum

anonymous enum

Enumerator
MAT4_FLOAT_COUNT

AAMode

enum AAMode

Specular Anti-Aliasing modes.

Enumerator
AA_MODE_SCREEN_SPACE
AA_MODE_CURVATURE
AA_MODE_COUNT

GIMode

enum GIMode

Global Illumination sampling methods.

Enumerator
GI_MODE_OFF
GI_MODE_3D_TEX
GI_MODE_SSBO
GI_MODE_COUNT

SortingMode

enum SortingMode

Sorting algorithms for transparent billboards.

Enumerator
SORTING_MODE_CPU_QSORT
SORTING_MODE_CPU_RADIX
SORTING_MODE_GPU_BITONIC
SORTING_MODE_COUNT	Sentinel — must remain last.

Function Documentation

_Static_assert()

_Static_assert	(	_Alignof(BillboardUBO) >=	GL_UBO_ALIGNMENT,
		"BillboardUBO" " must be >= 32-byte aligned for AVX (cglm)"
	)

aa_mode_to_string()

const char* aa_mode_to_string

(

AAMode

mode

)

Returns a string representation of the AA mode.

Parameters

mode	The AA mode.

Returns

String representation.

scene_cleanup()

void scene_cleanup

(

Scene *

scene

)

Cleans up scene resources.

Parameters

scene

Pointer to the scene structure.

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scene_init()

int scene_init

(

Scene *

scene

)

Initializes the scene resources.

Parameters

scene

Pointer to the scene structure.

Returns

1 on success, 0 on failure.

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scene_render()

void scene_render	(	Scene *	scene,
		GPUProfiler *	profiler,
		mat4	view,
		mat4	proj,
		vec3	camera_pos,
		mat4	previous_view_proj,
		int	width,
		int	height
	)

Renders the scene.

Parameters

scene	Pointer to the scene.
view	View matrix.
proj	Projection matrix.
camera_pos	Camera position.
previous_view_proj	Previous frame's ViewProj matrix (for motion blur).
width	Viewport width.
height	Viewport height.

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scene_update_gpu_buffers()

void scene_update_gpu_buffers

(

Scene *

scene

)

Updates GPU buffers for dynamic geometry (e.g. LOD changes).

Parameters

scene

Pointer to the scene.