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https://git.code.sf.net/p/quake/quakeforge
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48c225da89
GL still has its own functions for enabling and disabling fog while rendering, but GLSL doesn't need such (thanks to the shaders), nor will vulkan (and the software renderers don't support fog).
34 lines
877 B
C
34 lines
877 B
C
#ifndef __vid_gl_h
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#define __vid_gl_h
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// GL_context is a pointer to opaque data
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typedef struct GL_context *GL_context;
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typedef struct gl_ctx_s {
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GL_context context;
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void (*load_gl) (void);
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void (*choose_visual) (struct gl_ctx_s *ctx);
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void (*create_context) (struct gl_ctx_s *ctx);
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void (*init_gl) (void);
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void *(*get_proc_address) (const char *name, qboolean crit);
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void (*end_rendering) (void);
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int begun;
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double start_time;
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int brush_polys;
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int alias_polys;
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} gl_ctx_t;
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extern gl_ctx_t *gl_ctx;
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extern gl_ctx_t *glsl_ctx;
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struct tex_s *gl_SCR_CaptureBGR (void);
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struct tex_s *glsl_SCR_CaptureBGR (void);
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void gl_Fog_SetupFrame (void);
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void gl_Fog_EnableGFog (void);
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void gl_Fog_DisableGFog (void);
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void gl_Fog_StartAdditive (void);
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void gl_Fog_StopAdditive (void);
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#endif//__vid_gl_h
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