extern int vid_hidden;
extern int vid_activewindow;
+extern int vid_allowhwgamma;
+extern int vid_hardwaregammasupported;
+extern int vid_usinghwgamma;
extern cvar_t vid_fullscreen;
extern cvar_t vid_width;
extern cvar_t vid_mouse;
extern cvar_t vid_stencil;
+extern cvar_t v_gamma;
+extern cvar_t v_contrast;
+extern cvar_t v_brightness;
+extern cvar_t v_color_enable;
+extern cvar_t v_color_black_r;
+extern cvar_t v_color_black_g;
+extern cvar_t v_color_black_b;
+extern cvar_t v_color_grey_r;
+extern cvar_t v_color_grey_g;
+extern cvar_t v_color_grey_b;
+extern cvar_t v_color_white_r;
+extern cvar_t v_color_white_g;
+extern cvar_t v_color_white_b;
+extern cvar_t v_hwgamma;
+
extern int gl_stencil;
// brand of graphics chip
void *GL_GetProcAddress(const char *name);
int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent);
+// this attempts to use vendor extensions to allocate faster vertex memory if
+// the fast parameter is true, if unsuccessful it uses Mem_Alloc instead
+void *VID_AllocVertexArrays(mempool_t *pool, int size, int fast, float readfrequency, float writefrequency, float priority);
+void VID_FreeVertexArrays(void *pointer);
+
void VID_Shared_Init(void);
void GL_Init (void);
// sets hardware gamma correction, returns false if the device does not
// support gamma control
-int VID_SetGamma (float prescale, float gamma, float scale, float base);
+int VID_SetGamma (unsigned short *ramps);
+// gets hardware gamma correction, returns false if the device does not
+// support gamma control
+int VID_GetGamma (unsigned short *ramps);
+
+void VID_UpdateGamma(qboolean force);
+void VID_RestoreSystemGamma(void);
void VID_GetWindowSize (int *x, int *y, int *width, int *height);