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/// Functions for image-based lighting.
#pragma once
typedef struct IBL IBL;
typedef struct GfxCore GfxCore;
typedef struct Texture Texture;
/// Create an environment map filterer for IBL.
IBL* gfx_make_ibl(GfxCore*);
/// Destroy the environment map filterer.
void gfx_destroy_ibl(GfxCore*, IBL**);
/// Create a BRDF integration map for IBL.
Texture* gfx_make_brdf_integration_map(IBL*, GfxCore*, int width, int height);
/// Create an irradiance map (cubemap) from an environment map for IBL.
Texture* gfx_make_irradiance_map(
IBL*, GfxCore*, const Texture* environment_map, int width, int height);
/// Create a prefiltered environment map (cubemap) for IBL.
Texture* gfx_make_prefiltered_environment_map(
IBL*, GfxCore*, const Texture* environment_map, int width, int height,
int* max_mip_level);
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