#ifndef VID_H
#define VID_H
+#define ENGINE_ICON ( (gamemode == GAME_NEXUIZ) ? nexuiz_xpm : darkplaces_xpm )
+
extern int cl_available;
+#define MAX_TEXTUREUNITS 16
+
+typedef enum renderpath_e
+{
+ RENDERPATH_GL11,
+ RENDERPATH_GL13,
+ RENDERPATH_GL20,
+ RENDERPATH_D3D9,
+ RENDERPATH_D3D10,
+ RENDERPATH_D3D11,
+ RENDERPATH_SOFT,
+ RENDERPATH_GLES2
+}
+renderpath_t;
+
+typedef struct viddef_support_s
+{
+ qboolean gl20shaders;
+ qboolean amd_texture_texture4;
+ qboolean arb_depth_texture;
+ qboolean arb_draw_buffers;
+ qboolean arb_multitexture;
+ qboolean arb_occlusion_query;
+ qboolean arb_shadow;
+ qboolean arb_texture_compression;
+ qboolean arb_texture_cube_map;
+ qboolean arb_texture_env_combine;
+ qboolean arb_texture_gather;
+ qboolean arb_texture_non_power_of_two;
+ qboolean arb_vertex_buffer_object;
+ qboolean ati_separate_stencil;
+ qboolean ext_blend_minmax;
+ qboolean ext_blend_subtract;
+ qboolean ext_draw_range_elements;
+ qboolean ext_framebuffer_object;
+ qboolean ext_stencil_two_side;
+ qboolean ext_texture_3d;
+ qboolean ext_texture_compression_s3tc;
+ qboolean ext_texture_edge_clamp;
+ qboolean ext_texture_filter_anisotropic;
+}
+viddef_support_t;
+
+typedef struct viddef_mode_s
+{
+ int width;
+ int height;
+ int bitsperpixel;
+ qboolean fullscreen;
+ float refreshrate;
+ qboolean userefreshrate;
+ qboolean stereobuffer;
+ int samples;
+}
+viddef_mode_t;
+
typedef struct viddef_s
{
// these are set by VID_Mode
+ viddef_mode_t mode;
+ // used in many locations in the renderer
int width;
int height;
int bitsperpixel;
- int fullscreen;
- int refreshrate;
+ qboolean fullscreen;
+ float refreshrate;
+ qboolean userefreshrate;
+ qboolean stereobuffer;
+ int samples;
+ qboolean stencil;
+
+ renderpath_t renderpath;
+ qboolean forcevbo; // some renderpaths can not operate without it
+ qboolean useinterleavedarrays; // required by some renderpaths
+
+ unsigned int texunits;
+ unsigned int teximageunits;
+ unsigned int texarrayunits;
+ unsigned int drawrangeelements_maxvertices;
+ unsigned int drawrangeelements_maxindices;
+
+ unsigned int maxtexturesize_2d;
+ unsigned int maxtexturesize_3d;
+ unsigned int maxtexturesize_cubemap;
+ unsigned int max_anisotropy;
+ unsigned int maxdrawbuffers;
+
+ viddef_support_t support;
+
+ // in RENDERPATH_SOFT this is a 32bpp native-endian ARGB framebuffer
+ // (native-endian ARGB meaning that in little endian it is BGRA bytes,
+ // in big endian it is ARGB byte order, the format is converted during
+ // blit to the window)
+ unsigned int *softpixels;
+ unsigned int *softdepthpixels;
} viddef_t;
// global video state
extern cvar_t vid_width;
extern cvar_t vid_height;
extern cvar_t vid_bitsperpixel;
+extern cvar_t vid_samples;
extern cvar_t vid_refreshrate;
+extern cvar_t vid_userefreshrate;
extern cvar_t vid_vsync;
extern cvar_t vid_mouse;
+extern cvar_t vid_grabkeyboard;
+extern cvar_t vid_touchscreen;
+extern cvar_t vid_stick_mouse;
+extern cvar_t vid_resizable;
extern cvar_t vid_minwidth;
extern cvar_t vid_minheight;
-extern cvar_t gl_combine;
extern cvar_t gl_finish;
extern cvar_t v_gamma;
extern cvar_t v_color_white_b;
extern cvar_t v_hwgamma;
-extern int gl_stencil;
-
// brand of graphics chip
extern const char *gl_vendor;
// graphics chip model and other information
extern qboolean isG200;
extern qboolean isRagePro;
-// LordHavoc: GLX_SGI_swap_control and WGL_EXT_swap_control
-extern int gl_videosyncavailable;
-
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);
+qboolean GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent);
void VID_Shared_Init(void);
void GL_Init (void);
+void VID_ClearExtensions(void);
void VID_CheckExtensions(void);
void VID_Init (void);
// sets the mode; only used by the Quake engine for resetting to mode 0 (the
// base mode) on memory allocation failures
-int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate);
+qboolean VID_InitMode(viddef_mode_t *mode);
// allocates and opens an appropriate OpenGL context (and its window)
// sets hardware gamma correction, returns false if the device does not
// support gamma control
-int VID_SetGamma (unsigned short *ramps);
+// (ONLY called by VID_UpdateGamma and VID_RestoreSystemGamma)
+int VID_SetGamma(unsigned short *ramps, int rampsize);
// 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);
+// (ONLY called by VID_UpdateGamma and VID_RestoreSystemGamma)
+int VID_GetGamma(unsigned short *ramps, int rampsize);
+// makes sure ramp arrays are big enough and calls VID_GetGamma/VID_SetGamma
+// (ONLY to be called from VID_Finish!)
+void VID_UpdateGamma(qboolean force, int rampsize);
+// turns off hardware gamma ramps immediately
+// (called from various shutdown/deactivation functions)
void VID_RestoreSystemGamma(void);
-void VID_Finish (qboolean allowmousegrab);
+void VID_SetMouse (qboolean fullscreengrab, qboolean relative, qboolean hidecursor);
+void VID_Finish (void);
void VID_Restart_f(void);
void VID_Start(void);
+extern unsigned int vid_gammatables_serial; // so other subsystems can poll if gamma parameters have changed; this starts with 0 and gets increased by 1 each time the gamma parameters get changed and VID_BuildGammaTables should be called again
+extern qboolean vid_gammatables_trivial; // this is set to true if all color control values are at default setting, and it therefore would make no sense to use the gamma table
+void VID_BuildGammaTables(unsigned short *ramps, int rampsize); // builds the current gamma tables into an array (needs 3*rampsize items)
+
+typedef struct
+{
+ int width, height, bpp, refreshrate;
+ int pixelheight_num, pixelheight_denom;
+}
+vid_mode_t;
+size_t VID_ListModes(vid_mode_t *modes, size_t maxcount);
+size_t VID_SortModes(vid_mode_t *modes, size_t count, qboolean usebpp, qboolean userefreshrate, qboolean useaspect);
#endif