File: vid.h

package info (click to toggle)
darkplaces 0~20180412~beta1-2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 18,200 kB
  • sloc: ansic: 176,886; makefile: 485; pascal: 455; perl: 372; objc: 245; sh: 102
file content (299 lines) | stat: -rw-r--r-- 9,396 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
/*
Copyright (C) 1996-1997 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
// vid.h -- video driver defs

#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_GLES1,
	RENDERPATH_GLES2
}
renderpath_t;

typedef struct viddef_support_s
{
	qboolean gl20shaders;
	qboolean gl20shaders130; // indicates glBindFragDataLocation is available
	int glshaderversion; // typical values: 100 110 120 130 140 ...
	qboolean amd_texture_texture4;
	qboolean arb_depth_texture;
	qboolean arb_draw_buffers;
	qboolean arb_framebuffer_object;
	qboolean arb_multitexture;
	qboolean arb_occlusion_query;
	qboolean arb_query_buffer_object;
	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 arb_uniform_buffer_object;
	qboolean ati_separate_stencil;
	qboolean ext_blend_minmax;
	qboolean ext_blend_subtract;
	qboolean ext_blend_func_separate;
	qboolean ext_draw_range_elements;
	qboolean ext_framebuffer_object;
	qboolean ext_packed_depth_stencil;
	qboolean ext_stencil_two_side;
	qboolean ext_texture_3d;
	qboolean ext_texture_compression_s3tc;
	qboolean ext_texture_edge_clamp;
	qboolean ext_texture_filter_anisotropic;
	qboolean ext_texture_srgb;
	qboolean arb_texture_float;
	qboolean arb_half_float_pixel;
	qboolean arb_half_float_vertex;
	qboolean arb_multisample;
}
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;
	qboolean fullscreen;
	float refreshrate;
	qboolean userefreshrate;
	qboolean stereobuffer;
	int samples;
	qboolean stencil;
	qboolean sRGB2D; // whether 2D rendering is sRGB corrected (based on sRGBcapable2D)
	qboolean sRGB3D; // whether 3D rendering is sRGB corrected (based on sRGBcapable3D)
	qboolean sRGBcapable2D; // whether 2D rendering can be sRGB corrected (renderpath)
	qboolean sRGBcapable3D; // whether 3D rendering can be sRGB corrected (renderpath)

	renderpath_t renderpath;
	qboolean forcevbo; // some renderpaths can not operate without it
	qboolean useinterleavedarrays; // required by some renderpaths
	qboolean allowalphatocoverage; // indicates the GL_AlphaToCoverage function works on this renderpath and framebuffer

	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;

	int forcetextype; // always use GL_BGRA for D3D, always use GL_RGBA for GLES, etc
} viddef_t;

// global video state
extern viddef_t vid;
extern void (*vid_menudrawfn)(void);
extern void (*vid_menukeyfn)(int key);

#define MAXJOYAXIS 16
// if this is changed, the corresponding code in vid_shared.c must be updated
#define MAXJOYBUTTON 36
typedef struct vid_joystate_s
{
	float axis[MAXJOYAXIS]; // -1 to +1
	unsigned char button[MAXJOYBUTTON]; // 0 or 1
	qboolean is360; // indicates this joystick is a Microsoft Xbox 360 Controller For Windows
}
vid_joystate_t;

extern vid_joystate_t vid_joystate;

extern cvar_t joy_index;
extern cvar_t joy_enable;
extern cvar_t joy_detected;
extern cvar_t joy_active;

float VID_JoyState_GetAxis(const vid_joystate_t *joystate, int axis, float sensitivity, float deadzone);
void VID_ApplyJoyState(vid_joystate_t *joystate);
void VID_BuildJoyState(vid_joystate_t *joystate);
void VID_Shared_BuildJoyState_Begin(vid_joystate_t *joystate);
void VID_Shared_BuildJoyState_Finish(vid_joystate_t *joystate);
int VID_Shared_SetJoystick(int index);
qboolean VID_JoyBlockEmulatedKeys(int keycode);
void VID_EnableJoystick(qboolean enable);

extern qboolean vid_hidden;
extern qboolean vid_activewindow;
extern qboolean vid_supportrefreshrate;

extern cvar_t vid_soft;
extern cvar_t vid_soft_threads;
extern cvar_t vid_soft_interlace;

extern cvar_t vid_fullscreen;
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_touchscreen_density;
extern cvar_t vid_touchscreen_xdpi;
extern cvar_t vid_touchscreen_ydpi;
extern cvar_t vid_vsync;
extern cvar_t vid_mouse;
extern cvar_t vid_grabkeyboard;
extern cvar_t vid_touchscreen;
extern cvar_t vid_touchscreen_showkeyboard;
extern cvar_t vid_touchscreen_supportshowkeyboard;
extern cvar_t vid_stick_mouse;
extern cvar_t vid_resizable;
extern cvar_t vid_desktopfullscreen;
extern cvar_t vid_minwidth;
extern cvar_t vid_minheight;
extern cvar_t vid_sRGB;
extern cvar_t vid_sRGB_fallback;

extern cvar_t gl_finish;

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;

// brand of graphics chip
extern const char *gl_vendor;
// graphics chip model and other information
extern const char *gl_renderer;
// begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
extern const char *gl_version;
// extensions list, space separated
extern const char *gl_extensions;
// WGL, GLX, or AGL
extern const char *gl_platform;
// another extensions list, containing platform-specific extensions that are
// not in the main list
extern const char *gl_platformextensions;
// name of driver library (opengl32.dll, libGL.so.1, or whatever)
extern char gl_driver[256];

void *GL_GetProcAddress(const char *name);
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);
// Called at startup

void VID_Shutdown (void);
// Called at shutdown

int VID_SetMode (int modenum);
// sets the mode; only used by the Quake engine for resetting to mode 0 (the
// base mode) on memory allocation failures

qboolean VID_InitMode(viddef_mode_t *mode);
// allocates and opens an appropriate OpenGL context (and its window)


// updates cachegamma variables and bumps vid_gammatables_serial if anything changed
// (ONLY to be called from VID_Finish!)
void VID_UpdateGamma(void);

qboolean VID_HasScreenKeyboardSupport(void);
void VID_ShowKeyboard(qboolean show);
qboolean VID_ShowingKeyboard(void);

void VID_SetMouse (qboolean fullscreengrab, qboolean relative, qboolean hidecursor);
void VID_Finish (void);

void VID_Restart_f(void);

void VID_Start(void);
void VID_Stop(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)
void VID_ApplyGammaToColor(const float *rgb, float *out); // applies current gamma settings to a color (0-1 range)

typedef struct
{
	int width, height, bpp, refreshrate;
	int pixelheight_num, pixelheight_denom;
}
vid_mode_t;
vid_mode_t *VID_GetDesktopMode(void);
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);
void VID_Soft_SharedSetup(void);

#endif