10 #define XINPUT_GAMEPAD_DPAD_UP 0x0001
11 #define XINPUT_GAMEPAD_DPAD_DOWN 0x0002
12 #define XINPUT_GAMEPAD_DPAD_LEFT 0x0004
13 #define XINPUT_GAMEPAD_DPAD_RIGHT 0x0008
14 #define XINPUT_GAMEPAD_START 0x0010
15 #define XINPUT_GAMEPAD_BACK 0x0020
16 #define XINPUT_GAMEPAD_LEFT_THUMB 0x0040
17 #define XINPUT_GAMEPAD_RIGHT_THUMB 0x0080
18 #define XINPUT_GAMEPAD_LEFT_SHOULDER 0x0100
19 #define XINPUT_GAMEPAD_RIGHT_SHOULDER 0x0200
20 #define XINPUT_GAMEPAD_A 0x1000
21 #define XINPUT_GAMEPAD_B 0x2000
22 #define XINPUT_GAMEPAD_X 0x4000
23 #define XINPUT_GAMEPAD_Y 0x8000
24 #define XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE 7849
25 #define XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE 8689
26 #define XINPUT_GAMEPAD_TRIGGER_THRESHOLD 30
27 #define XUSER_INDEX_ANY 0x000000FF
29 typedef struct xinput_gamepad_s
41 typedef struct xinput_state_s
44 xinput_gamepad_t Gamepad;
48 typedef struct xinput_keystroke_s
58 DWORD (WINAPI *qXInputGetState)(DWORD index, xinput_state_t *state);
59 DWORD (WINAPI *qXInputGetKeystroke)(DWORD index, DWORD reserved, xinput_keystroke_t *keystroke);
61 qboolean vid_xinputinitialized = false;
62 int vid_xinputindex = -1;
68 // AK FIXME -> input_dest
69 qboolean in_client_mouse = true;
71 // AK where should it be placed ?
72 float in_mouse_x, in_mouse_y;
73 float in_windowmouse_x, in_windowmouse_y;
75 // LordHavoc: if window is hidden, don't update screen
76 qboolean vid_hidden = true;
77 // LordHavoc: if window is not the active window, don't hog as much CPU time,
78 // let go of the mouse, turn off sound, and restore system gamma ramps...
79 qboolean vid_activewindow = true;
81 vid_joystate_t vid_joystate;
84 cvar_t joy_xinputavailable = {CVAR_READONLY, "joy_xinputavailable", "0", "indicates which devices are being reported by the Windows XInput API (first controller = 1, second = 2, third = 4, fourth = 8, added together)"};
86 cvar_t joy_active = {CVAR_READONLY, "joy_active", "0", "indicates that a joystick is active (detected and enabled)"};
87 cvar_t joy_detected = {CVAR_READONLY, "joy_detected", "0", "number of joysticks detected by engine"};
88 cvar_t joy_enable = {CVAR_SAVE, "joy_enable", "0", "enables joystick support"};
89 cvar_t joy_index = {0, "joy_index", "0", "selects which joystick to use if you have multiple (0 uses the first controller, 1 uses the second, ...)"};
90 cvar_t joy_axisforward = {0, "joy_axisforward", "1", "which joystick axis to query for forward/backward movement"};
91 cvar_t joy_axisside = {0, "joy_axisside", "0", "which joystick axis to query for right/left movement"};
92 cvar_t joy_axisup = {0, "joy_axisup", "-1", "which joystick axis to query for up/down movement"};
93 cvar_t joy_axispitch = {0, "joy_axispitch", "3", "which joystick axis to query for looking up/down"};
94 cvar_t joy_axisyaw = {0, "joy_axisyaw", "2", "which joystick axis to query for looking right/left"};
95 cvar_t joy_axisroll = {0, "joy_axisroll", "-1", "which joystick axis to query for tilting head right/left"};
96 cvar_t joy_deadzoneforward = {0, "joy_deadzoneforward", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
97 cvar_t joy_deadzoneside = {0, "joy_deadzoneside", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
98 cvar_t joy_deadzoneup = {0, "joy_deadzoneup", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
99 cvar_t joy_deadzonepitch = {0, "joy_deadzonepitch", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
100 cvar_t joy_deadzoneyaw = {0, "joy_deadzoneyaw", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
101 cvar_t joy_deadzoneroll = {0, "joy_deadzoneroll", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
102 cvar_t joy_sensitivityforward = {0, "joy_sensitivityforward", "-1", "movement multiplier"};
103 cvar_t joy_sensitivityside = {0, "joy_sensitivityside", "1", "movement multiplier"};
104 cvar_t joy_sensitivityup = {0, "joy_sensitivityup", "1", "movement multiplier"};
105 cvar_t joy_sensitivitypitch = {0, "joy_sensitivitypitch", "1", "movement multiplier"};
106 cvar_t joy_sensitivityyaw = {0, "joy_sensitivityyaw", "-1", "movement multiplier"};
107 cvar_t joy_sensitivityroll = {0, "joy_sensitivityroll", "1", "movement multiplier"};
108 cvar_t joy_axiskeyevents = {CVAR_SAVE, "joy_axiskeyevents", "0", "generate uparrow/leftarrow etc. keyevents for joystick axes, use if your joystick driver is not generating them"};
109 cvar_t joy_axiskeyevents_deadzone = {CVAR_SAVE, "joy_axiskeyevents_deadzone", "0.5", "deadzone value for axes"};
110 cvar_t joy_x360_axisforward = {0, "joy_x360_axisforward", "1", "which joystick axis to query for forward/backward movement"};
111 cvar_t joy_x360_axisside = {0, "joy_x360_axisside", "0", "which joystick axis to query for right/left movement"};
112 cvar_t joy_x360_axisup = {0, "joy_x360_axisup", "-1", "which joystick axis to query for up/down movement"};
113 cvar_t joy_x360_axispitch = {0, "joy_x360_axispitch", "3", "which joystick axis to query for looking up/down"};
114 cvar_t joy_x360_axisyaw = {0, "joy_x360_axisyaw", "2", "which joystick axis to query for looking right/left"};
115 cvar_t joy_x360_axisroll = {0, "joy_x360_axisroll", "-1", "which joystick axis to query for tilting head right/left"};
116 cvar_t joy_x360_deadzoneforward = {0, "joy_x360_deadzoneforward", "0.266", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
117 cvar_t joy_x360_deadzoneside = {0, "joy_x360_deadzoneside", "0.266", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
118 cvar_t joy_x360_deadzoneup = {0, "joy_x360_deadzoneup", "0.266", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
119 cvar_t joy_x360_deadzonepitch = {0, "joy_x360_deadzonepitch", "0.266", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
120 cvar_t joy_x360_deadzoneyaw = {0, "joy_x360_deadzoneyaw", "0.266", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
121 cvar_t joy_x360_deadzoneroll = {0, "joy_x360_deadzoneroll", "0.266", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
122 cvar_t joy_x360_sensitivityforward = {0, "joy_x360_sensitivityforward", "1", "movement multiplier"};
123 cvar_t joy_x360_sensitivityside = {0, "joy_x360_sensitivityside", "1", "movement multiplier"};
124 cvar_t joy_x360_sensitivityup = {0, "joy_x360_sensitivityup", "1", "movement multiplier"};
125 cvar_t joy_x360_sensitivitypitch = {0, "joy_x360_sensitivitypitch", "-1", "movement multiplier"};
126 cvar_t joy_x360_sensitivityyaw = {0, "joy_x360_sensitivityyaw", "-1", "movement multiplier"};
127 cvar_t joy_x360_sensitivityroll = {0, "joy_x360_sensitivityroll", "1", "movement multiplier"};
129 // VorteX: more info cvars, mostly set in VID_CheckExtensions
130 cvar_t gl_info_vendor = {CVAR_READONLY, "gl_info_vendor", "", "indicates brand of graphics chip"};
131 cvar_t gl_info_renderer = {CVAR_READONLY, "gl_info_renderer", "", "indicates graphics chip model and other information"};
132 cvar_t gl_info_version = {CVAR_READONLY, "gl_info_version", "", "indicates version of current renderer. begins with 1.0.0, 1.1.0, 1.2.0, 1.3.1 etc."};
133 cvar_t gl_info_extensions = {CVAR_READONLY, "gl_info_extensions", "", "indicates extension list found by engine, space separated."};
134 cvar_t gl_info_platform = {CVAR_READONLY, "gl_info_platform", "", "indicates GL platform: WGL, GLX, or AGL."};
135 cvar_t gl_info_driver = {CVAR_READONLY, "gl_info_driver", "", "name of driver library (opengl32.dll, libGL.so.1, or whatever)."};
137 cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"};
138 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
139 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
140 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
141 cvar_t vid_samples = {CVAR_SAVE, "vid_samples", "1", "how many anti-aliasing samples per pixel to request from the graphics driver (4 is recommended, 1 is faster)"};
142 cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
143 cvar_t vid_userefreshrate = {CVAR_SAVE, "vid_userefreshrate", "0", "set this to 1 to make vid_refreshrate used, or to 0 to let the engine choose a sane default"};
144 cvar_t vid_stereobuffer = {CVAR_SAVE, "vid_stereobuffer", "0", "enables 'quad-buffered' stereo rendering for stereo shutterglasses, HMD (head mounted display) devices, or polarized stereo LCDs, if supported by your drivers"};
145 // the density cvars are completely optional, set and use when something needs to have a density-independent size.
146 // TODO: set them when changing resolution, setting them from the commandline will be independent from the resolution - use only if you have a native fixed resolution.
147 // values for the Samsung Galaxy SIII, Snapdragon version: 2.000000 density, 304.799988 xdpi, 303.850464 ydpi
148 cvar_t vid_touchscreen_density = {0, "vid_touchscreen_density", "2.0", "Standard quantized screen density multiplier (see Android documentation for DisplayMetrics), similar values are given on iPhoneOS"};
149 cvar_t vid_touchscreen_xdpi = {0, "vid_touchscreen_xdpi", "300", "Horizontal DPI of the screen (only valid on Android currently)"};
150 cvar_t vid_touchscreen_ydpi = {0, "vid_touchscreen_ydpi", "300", "Vertical DPI of the screen (only valid on Android currently)"};
152 cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0", "sync to vertical blank, prevents 'tearing' (seeing part of one frame and part of another on the screen at the same time), automatically disabled when doing timedemo benchmarks"};
153 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
154 cvar_t vid_grabkeyboard = {CVAR_SAVE, "vid_grabkeyboard", "0", "whether to grab the keyboard when mouse is active (prevents use of volume control keys, music player keys, etc on some keyboards)"};
155 cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"};
156 cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"};
157 cvar_t gl_finish = {0, "gl_finish", "0", "make the cpu wait for the graphics processor at the end of each rendered frame (can help with strange input or video lag problems on some machines)"};
158 cvar_t vid_sRGB = {CVAR_SAVE, "vid_sRGB", "0", "if hardware is capable, modify rendering to be gamma corrected for the sRGB color standard (computer monitors, TVs), recommended"};
159 cvar_t vid_sRGB_fallback = {CVAR_SAVE, "vid_sRGB_fallback", "0", "do an approximate sRGB fallback if not properly supported by hardware (2: also use the fallback if framebuffer is 8bit, 3: always use the fallback even if sRGB is supported)"};
161 cvar_t vid_touchscreen = {0, "vid_touchscreen", "0", "Use touchscreen-style input (no mouse grab, track mouse motion only while button is down, screen areas for mimicing joystick axes and buttons"};
162 cvar_t vid_touchscreen_showkeyboard = {0, "vid_touchscreen_showkeyboard", "0", "shows the platform's screen keyboard for text entry, can be set by csqc or menu qc if it wants to receive text input, does nothing if the platform has no screen keyboard"};
163 cvar_t vid_touchscreen_supportshowkeyboard = {CVAR_READONLY, "vid_touchscreen_supportshowkeyboard", "0", "indicates if the platform supports a virtual keyboard"};
164 cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
165 cvar_t vid_resizable = {CVAR_SAVE, "vid_resizable", "0", "0: window not resizable, 1: resizable, 2: window can be resized but the framebuffer isn't adjusted" };
166 cvar_t vid_desktopfullscreen = {CVAR_SAVE, "vid_desktopfullscreen", "1", "force desktop resolution for fullscreen; also use some OS dependent tricks for better fullscreen integration"};
168 cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1", "inverse gamma correction value, a brightness effect that does not affect white or black, and tends to make the image grey and dull"};
169 cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1", "brightness of white (values above 1 give a brighter image with increased color saturation, unlike v_gamma)"};
170 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
171 cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
172 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
173 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
174 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
175 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
176 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
177 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
178 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
179 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
180 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
181 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
182 cvar_t v_glslgamma_2d = {CVAR_SAVE, "v_glslgamma_2d", "1", "applies GLSL gamma to 2d pictures (HUD, fonts)"};
183 cvar_t v_psycho = {0, "v_psycho", "0", "easter egg - R.I.P. zinx http://obits.al.com/obituaries/birmingham/obituary.aspx?n=christopher-robert-lais&pid=186080667"};
185 // brand of graphics chip
186 const char *gl_vendor;
187 // graphics chip model and other information
188 const char *gl_renderer;
189 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
190 const char *gl_version;
191 // extensions list, space separated
192 const char *gl_extensions;
194 const char *gl_platform;
195 // another extensions list, containing platform-specific extensions that are
196 // not in the main list
197 const char *gl_platformextensions;
198 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
202 // GL_ARB_multitexture
203 void (GLAPIENTRY *qglActiveTexture) (GLenum);
205 // general GL functions
207 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
209 void (GLAPIENTRY *qglClear)(GLbitfield mask);
211 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
212 void (GLAPIENTRY *qglCullFace)(GLenum mode);
214 void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
215 void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
216 void (GLAPIENTRY *qglEnable)(GLenum cap);
217 void (GLAPIENTRY *qglDisable)(GLenum cap);
218 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
220 void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
221 void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
222 void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
223 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
225 GLenum (GLAPIENTRY *qglGetError)(void);
226 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
227 void (GLAPIENTRY *qglFinish)(void);
228 void (GLAPIENTRY *qglFlush)(void);
230 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
231 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
232 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
233 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
234 void (GLAPIENTRY *qglDepthRangef)(GLclampf near_val, GLclampf far_val);
235 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
237 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
238 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
239 void (GLAPIENTRY *qglDrawArrays)(GLenum mode, GLint first, GLsizei count);
241 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
243 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
245 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
246 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
247 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
248 void (GLAPIENTRY *qglClearStencil)(GLint s);
250 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
251 void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
252 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
253 void (GLAPIENTRY *qglGetTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
254 void (GLAPIENTRY *qglGetTexParameteriv)(GLenum target, GLenum pname, GLint *params);
255 void (GLAPIENTRY *qglGetTexLevelParameterfv)(GLenum target, GLint level, GLenum pname, GLfloat *params);
256 void (GLAPIENTRY *qglGetTexLevelParameteriv)(GLenum target, GLint level, GLenum pname, GLint *params);
257 void (GLAPIENTRY *qglGetTexImage)(GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels);
258 void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
260 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
261 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
262 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
263 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
264 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
265 //GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
266 //void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
267 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
269 //void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
270 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
271 //void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
272 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
273 //void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
274 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
275 //void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
276 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
279 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
281 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
283 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
284 void (GLAPIENTRY *qglTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
285 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
287 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
289 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
290 void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
291 void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
293 //void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
294 //void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
296 //[515]: added on 29.07.2005
297 void (GLAPIENTRY *qglPointSize)(GLfloat size);
299 void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
301 void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
302 void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
303 void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
305 void (GLAPIENTRY *qglDeleteShader)(GLuint obj);
306 void (GLAPIENTRY *qglDeleteProgram)(GLuint obj);
307 //GLuint (GLAPIENTRY *qglGetHandle)(GLenum pname);
308 void (GLAPIENTRY *qglDetachShader)(GLuint containerObj, GLuint attachedObj);
309 GLuint (GLAPIENTRY *qglCreateShader)(GLenum shaderType);
310 void (GLAPIENTRY *qglShaderSource)(GLuint shaderObj, GLsizei count, const GLchar **string, const GLint *length);
311 void (GLAPIENTRY *qglCompileShader)(GLuint shaderObj);
312 GLuint (GLAPIENTRY *qglCreateProgram)(void);
313 void (GLAPIENTRY *qglAttachShader)(GLuint containerObj, GLuint obj);
314 void (GLAPIENTRY *qglLinkProgram)(GLuint programObj);
315 void (GLAPIENTRY *qglUseProgram)(GLuint programObj);
316 void (GLAPIENTRY *qglValidateProgram)(GLuint programObj);
317 void (GLAPIENTRY *qglUniform1f)(GLint location, GLfloat v0);
318 void (GLAPIENTRY *qglUniform2f)(GLint location, GLfloat v0, GLfloat v1);
319 void (GLAPIENTRY *qglUniform3f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
320 void (GLAPIENTRY *qglUniform4f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
321 void (GLAPIENTRY *qglUniform1i)(GLint location, GLint v0);
322 void (GLAPIENTRY *qglUniform2i)(GLint location, GLint v0, GLint v1);
323 void (GLAPIENTRY *qglUniform3i)(GLint location, GLint v0, GLint v1, GLint v2);
324 void (GLAPIENTRY *qglUniform4i)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
325 void (GLAPIENTRY *qglUniform1fv)(GLint location, GLsizei count, const GLfloat *value);
326 void (GLAPIENTRY *qglUniform2fv)(GLint location, GLsizei count, const GLfloat *value);
327 void (GLAPIENTRY *qglUniform3fv)(GLint location, GLsizei count, const GLfloat *value);
328 void (GLAPIENTRY *qglUniform4fv)(GLint location, GLsizei count, const GLfloat *value);
329 void (GLAPIENTRY *qglUniform1iv)(GLint location, GLsizei count, const GLint *value);
330 void (GLAPIENTRY *qglUniform2iv)(GLint location, GLsizei count, const GLint *value);
331 void (GLAPIENTRY *qglUniform3iv)(GLint location, GLsizei count, const GLint *value);
332 void (GLAPIENTRY *qglUniform4iv)(GLint location, GLsizei count, const GLint *value);
333 void (GLAPIENTRY *qglUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
334 void (GLAPIENTRY *qglUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
335 void (GLAPIENTRY *qglUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
336 void (GLAPIENTRY *qglGetShaderiv)(GLuint obj, GLenum pname, GLint *params);
337 void (GLAPIENTRY *qglGetProgramiv)(GLuint obj, GLenum pname, GLint *params);
338 void (GLAPIENTRY *qglGetShaderInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
339 void (GLAPIENTRY *qglGetProgramInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
340 void (GLAPIENTRY *qglGetAttachedShaders)(GLuint containerObj, GLsizei maxCount, GLsizei *count, GLuint *obj);
341 GLint (GLAPIENTRY *qglGetUniformLocation)(GLuint programObj, const GLchar *name);
342 void (GLAPIENTRY *qglGetActiveUniform)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
343 void (GLAPIENTRY *qglGetUniformfv)(GLuint programObj, GLint location, GLfloat *params);
344 void (GLAPIENTRY *qglGetUniformiv)(GLuint programObj, GLint location, GLint *params);
345 void (GLAPIENTRY *qglGetShaderSource)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *source);
347 void (GLAPIENTRY *qglVertexAttrib1f)(GLuint index, GLfloat v0);
348 void (GLAPIENTRY *qglVertexAttrib1s)(GLuint index, GLshort v0);
349 void (GLAPIENTRY *qglVertexAttrib1d)(GLuint index, GLdouble v0);
350 void (GLAPIENTRY *qglVertexAttrib2f)(GLuint index, GLfloat v0, GLfloat v1);
351 void (GLAPIENTRY *qglVertexAttrib2s)(GLuint index, GLshort v0, GLshort v1);
352 void (GLAPIENTRY *qglVertexAttrib2d)(GLuint index, GLdouble v0, GLdouble v1);
353 void (GLAPIENTRY *qglVertexAttrib3f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
354 void (GLAPIENTRY *qglVertexAttrib3s)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
355 void (GLAPIENTRY *qglVertexAttrib3d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
356 void (GLAPIENTRY *qglVertexAttrib4f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
357 void (GLAPIENTRY *qglVertexAttrib4s)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
358 void (GLAPIENTRY *qglVertexAttrib4d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
359 void (GLAPIENTRY *qglVertexAttrib4Nub)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
360 void (GLAPIENTRY *qglVertexAttrib1fv)(GLuint index, const GLfloat *v);
361 void (GLAPIENTRY *qglVertexAttrib1sv)(GLuint index, const GLshort *v);
362 void (GLAPIENTRY *qglVertexAttrib1dv)(GLuint index, const GLdouble *v);
363 void (GLAPIENTRY *qglVertexAttrib2fv)(GLuint index, const GLfloat *v);
364 void (GLAPIENTRY *qglVertexAttrib2sv)(GLuint index, const GLshort *v);
365 void (GLAPIENTRY *qglVertexAttrib2dv)(GLuint index, const GLdouble *v);
366 void (GLAPIENTRY *qglVertexAttrib3fv)(GLuint index, const GLfloat *v);
367 void (GLAPIENTRY *qglVertexAttrib3sv)(GLuint index, const GLshort *v);
368 void (GLAPIENTRY *qglVertexAttrib3dv)(GLuint index, const GLdouble *v);
369 void (GLAPIENTRY *qglVertexAttrib4fv)(GLuint index, const GLfloat *v);
370 void (GLAPIENTRY *qglVertexAttrib4sv)(GLuint index, const GLshort *v);
371 void (GLAPIENTRY *qglVertexAttrib4dv)(GLuint index, const GLdouble *v);
372 void (GLAPIENTRY *qglVertexAttrib4iv)(GLuint index, const GLint *v);
373 void (GLAPIENTRY *qglVertexAttrib4bv)(GLuint index, const GLbyte *v);
374 void (GLAPIENTRY *qglVertexAttrib4ubv)(GLuint index, const GLubyte *v);
375 void (GLAPIENTRY *qglVertexAttrib4usv)(GLuint index, const GLushort *v);
376 void (GLAPIENTRY *qglVertexAttrib4uiv)(GLuint index, const GLuint *v);
377 void (GLAPIENTRY *qglVertexAttrib4Nbv)(GLuint index, const GLbyte *v);
378 void (GLAPIENTRY *qglVertexAttrib4Nsv)(GLuint index, const GLshort *v);
379 void (GLAPIENTRY *qglVertexAttrib4Niv)(GLuint index, const GLint *v);
380 void (GLAPIENTRY *qglVertexAttrib4Nubv)(GLuint index, const GLubyte *v);
381 void (GLAPIENTRY *qglVertexAttrib4Nusv)(GLuint index, const GLushort *v);
382 void (GLAPIENTRY *qglVertexAttrib4Nuiv)(GLuint index, const GLuint *v);
383 void (GLAPIENTRY *qglVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
384 void (GLAPIENTRY *qglEnableVertexAttribArray)(GLuint index);
385 void (GLAPIENTRY *qglDisableVertexAttribArray)(GLuint index);
386 void (GLAPIENTRY *qglBindAttribLocation)(GLuint programObj, GLuint index, const GLchar *name);
387 void (GLAPIENTRY *qglBindFragDataLocation)(GLuint programObj, GLuint index, const GLchar *name);
388 void (GLAPIENTRY *qglGetActiveAttrib)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
389 GLint (GLAPIENTRY *qglGetAttribLocation)(GLuint programObj, const GLchar *name);
390 void (GLAPIENTRY *qglGetVertexAttribdv)(GLuint index, GLenum pname, GLdouble *params);
391 void (GLAPIENTRY *qglGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat *params);
392 void (GLAPIENTRY *qglGetVertexAttribiv)(GLuint index, GLenum pname, GLint *params);
393 void (GLAPIENTRY *qglGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid **pointer);
395 //GL_ARB_vertex_buffer_object
396 void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
397 void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
398 void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
399 GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
400 GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
401 GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
402 void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
403 void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
405 //GL_ARB_framebuffer_object
406 GLboolean (GLAPIENTRY *qglIsRenderbuffer)(GLuint renderbuffer);
407 GLvoid (GLAPIENTRY *qglBindRenderbuffer)(GLenum target, GLuint renderbuffer);
408 GLvoid (GLAPIENTRY *qglDeleteRenderbuffers)(GLsizei n, const GLuint *renderbuffers);
409 GLvoid (GLAPIENTRY *qglGenRenderbuffers)(GLsizei n, GLuint *renderbuffers);
410 GLvoid (GLAPIENTRY *qglRenderbufferStorage)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
411 GLvoid (GLAPIENTRY *qglRenderbufferStorageMultisample)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
412 GLvoid (GLAPIENTRY *qglGetRenderbufferParameteriv)(GLenum target, GLenum pname, GLint *params);
413 GLboolean (GLAPIENTRY *qglIsFramebuffer)(GLuint framebuffer);
414 GLvoid (GLAPIENTRY *qglBindFramebuffer)(GLenum target, GLuint framebuffer);
415 GLvoid (GLAPIENTRY *qglDeleteFramebuffers)(GLsizei n, const GLuint *framebuffers);
416 GLvoid (GLAPIENTRY *qglGenFramebuffers)(GLsizei n, GLuint *framebuffers);
417 GLenum (GLAPIENTRY *qglCheckFramebufferStatus)(GLenum target);
418 GLvoid (GLAPIENTRY *qglFramebufferTexture1D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
419 GLvoid (GLAPIENTRY *qglFramebufferTexture2D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
420 GLvoid (GLAPIENTRY *qglFramebufferTexture3D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint layer);
421 GLvoid (GLAPIENTRY *qglFramebufferTextureLayer)(GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
422 GLvoid (GLAPIENTRY *qglFramebufferRenderbuffer)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
423 GLvoid (GLAPIENTRY *qglGetFramebufferAttachmentParameteriv)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
424 GLvoid (GLAPIENTRY *qglBlitFramebuffer)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
425 GLvoid (GLAPIENTRY *qglGenerateMipmap)(GLenum target);
427 void (GLAPIENTRY *qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
429 void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
430 void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
431 //void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
432 void (GLAPIENTRY *qglCompressedTexSubImage3DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data);
433 void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
434 //void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
435 void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
437 void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
438 void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
439 GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
440 void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
441 void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
442 void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
443 void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
444 void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
446 void (GLAPIENTRY *qglSampleCoverageARB)(GLclampf value, GLboolean invert);
448 void (GLAPIENTRY *qglGetUniformIndices)(GLuint program, GLsizei uniformCount, const GLchar** uniformNames, GLuint* uniformIndices);
449 void (GLAPIENTRY *qglGetActiveUniformsiv)(GLuint program, GLsizei uniformCount, const GLuint* uniformIndices, GLenum pname, GLint* params);
450 void (GLAPIENTRY *qglGetActiveUniformName)(GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei* length, GLchar* uniformName);
451 GLuint (GLAPIENTRY *qglGetUniformBlockIndex)(GLuint program, const GLchar* uniformBlockName);
452 void (GLAPIENTRY *qglGetActiveUniformBlockiv)(GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint* params);
453 void (GLAPIENTRY *qglGetActiveUniformBlockName)(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei* length, GLchar* uniformBlockName);
454 void (GLAPIENTRY *qglBindBufferRange)(GLenum target, GLuint index, GLuint buffer, GLintptrARB offset, GLsizeiptrARB size);
455 void (GLAPIENTRY *qglBindBufferBase)(GLenum target, GLuint index, GLuint buffer);
456 void (GLAPIENTRY *qglGetIntegeri_v)(GLenum target, GLuint index, GLint* data);
457 void (GLAPIENTRY *qglUniformBlockBinding)(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
459 void (GLAPIENTRY *qglBlendFuncSeparate)(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
463 #define sscanf sscanf_s
466 qboolean GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent)
469 const dllfunction_t *func;
470 struct { int major, minor; } min_version, curr_version;
471 char extstr[MAX_INPUTLINE];
474 if(sscanf(minglver_or_ext, "%d.%d", &min_version.major, &min_version.minor) == 2)
475 ext = 0; // opengl version
476 else if(minglver_or_ext[0] != toupper(minglver_or_ext[0]))
477 ext = -1; // pseudo name
479 ext = 1; // extension name
482 Con_DPrintf("checking for %s... ", minglver_or_ext);
484 Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext);
486 for (func = funcs;func && func->name;func++)
487 *func->funcvariable = NULL;
489 if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
491 Con_DPrint("disabled by commandline\n");
495 if (ext == 1) // opengl extension
497 if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext))
499 Con_DPrint("not detected\n");
504 if(ext == 0) // opengl version
506 if (sscanf(gl_version, "%d.%d", &curr_version.major, &curr_version.minor) < 2)
507 curr_version.major = curr_version.minor = 1;
509 if (curr_version.major < min_version.major || (curr_version.major == min_version.major && curr_version.minor < min_version.minor))
511 Con_DPrintf("not detected (OpenGL %d.%d loaded)\n", curr_version.major, curr_version.minor);
516 for (func = funcs;func && func->name != NULL;func++)
518 // Con_DPrintf("\n %s... ", func->name);
520 // functions are cleared before all the extensions are evaluated
521 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
524 Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
526 Con_Printf("OpenGL %s core features are missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
530 // delay the return so it prints all missing functions
533 // VorteX: add to found extension list
534 dpsnprintf(extstr, sizeof(extstr), "%s %s ", gl_info_extensions.string, minglver_or_ext);
535 Cvar_SetQuick(&gl_info_extensions, extstr);
537 Con_DPrint("enabled\n");
542 static dllfunction_t opengl110funcs[] =
544 {"glClearColor", (void **) &qglClearColor},
545 {"glClear", (void **) &qglClear},
546 {"glBlendFunc", (void **) &qglBlendFunc},
547 {"glCullFace", (void **) &qglCullFace},
548 {"glDrawBuffer", (void **) &qglDrawBuffer},
549 {"glReadBuffer", (void **) &qglReadBuffer},
550 {"glEnable", (void **) &qglEnable},
551 {"glDisable", (void **) &qglDisable},
552 {"glIsEnabled", (void **) &qglIsEnabled},
553 {"glGetBooleanv", (void **) &qglGetBooleanv},
554 {"glGetDoublev", (void **) &qglGetDoublev},
555 {"glGetFloatv", (void **) &qglGetFloatv},
556 {"glGetIntegerv", (void **) &qglGetIntegerv},
557 {"glGetError", (void **) &qglGetError},
558 {"glGetString", (void **) &qglGetString},
559 {"glFinish", (void **) &qglFinish},
560 {"glFlush", (void **) &qglFlush},
561 {"glClearDepth", (void **) &qglClearDepth},
562 {"glDepthFunc", (void **) &qglDepthFunc},
563 {"glDepthMask", (void **) &qglDepthMask},
564 {"glDepthRange", (void **) &qglDepthRange},
565 {"glDrawElements", (void **) &qglDrawElements},
566 {"glDrawArrays", (void **) &qglDrawArrays},
567 {"glColorMask", (void **) &qglColorMask},
568 //[515]: added on 29.07.2005
569 {"glPointSize", (void**) &qglPointSize},
570 {"glViewport", (void **) &qglViewport},
571 {"glReadPixels", (void **) &qglReadPixels},
572 {"glStencilFunc", (void **) &qglStencilFunc},
573 {"glStencilMask", (void **) &qglStencilMask},
574 {"glStencilOp", (void **) &qglStencilOp},
575 {"glClearStencil", (void **) &qglClearStencil},
576 {"glTexParameterf", (void **) &qglTexParameterf},
577 {"glTexParameterfv", (void **) &qglTexParameterfv},
578 {"glTexParameteri", (void **) &qglTexParameteri},
579 {"glGetTexImage", (void **) &qglGetTexImage},
580 {"glGetTexParameterfv", (void **) &qglGetTexParameterfv},
581 {"glGetTexParameteriv", (void **) &qglGetTexParameteriv},
582 {"glGetTexLevelParameterfv", (void **) &qglGetTexLevelParameterfv},
583 {"glGetTexLevelParameteriv", (void **) &qglGetTexLevelParameteriv},
584 {"glHint", (void **) &qglHint},
585 // {"glPixelStoref", (void **) &qglPixelStoref},
586 {"glPixelStorei", (void **) &qglPixelStorei},
587 {"glGenTextures", (void **) &qglGenTextures},
588 {"glDeleteTextures", (void **) &qglDeleteTextures},
589 {"glBindTexture", (void **) &qglBindTexture},
590 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
591 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
592 // {"glIsTexture", (void **) &qglIsTexture},
593 // {"glTexImage1D", (void **) &qglTexImage1D},
594 {"glTexImage2D", (void **) &qglTexImage2D},
595 // {"glTexSubImage1D", (void **) &qglTexSubImage1D},
596 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
597 // {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
598 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
599 // {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
600 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
601 {"glScissor", (void **) &qglScissor},
602 {"glPolygonOffset", (void **) &qglPolygonOffset},
603 {"glPolygonMode", (void **) &qglPolygonMode},
604 {"glPolygonStipple", (void **) &qglPolygonStipple},
605 // {"glClipPlane", (void **) &qglClipPlane},
606 // {"glGetClipPlane", (void **) &qglGetClipPlane},
610 static dllfunction_t drawrangeelementsfuncs[] =
612 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
616 static dllfunction_t drawrangeelementsextfuncs[] =
618 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
622 static dllfunction_t multitexturefuncs[] =
624 {"glActiveTextureARB", (void **) &qglActiveTexture},
628 static dllfunction_t texture3dextfuncs[] =
630 {"glTexImage3DEXT", (void **) &qglTexImage3D},
631 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
632 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
636 static dllfunction_t atiseparatestencilfuncs[] =
638 {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
639 {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
643 static dllfunction_t gl2separatestencilfuncs[] =
645 {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
646 {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
650 static dllfunction_t stenciltwosidefuncs[] =
652 {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
656 static dllfunction_t blendequationfuncs[] =
658 {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
662 static dllfunction_t gl20shaderfuncs[] =
664 {"glDeleteShader", (void **) &qglDeleteShader},
665 {"glDeleteProgram", (void **) &qglDeleteProgram},
666 // {"glGetHandle", (void **) &qglGetHandle},
667 {"glDetachShader", (void **) &qglDetachShader},
668 {"glCreateShader", (void **) &qglCreateShader},
669 {"glShaderSource", (void **) &qglShaderSource},
670 {"glCompileShader", (void **) &qglCompileShader},
671 {"glCreateProgram", (void **) &qglCreateProgram},
672 {"glAttachShader", (void **) &qglAttachShader},
673 {"glLinkProgram", (void **) &qglLinkProgram},
674 {"glUseProgram", (void **) &qglUseProgram},
675 {"glValidateProgram", (void **) &qglValidateProgram},
676 {"glUniform1f", (void **) &qglUniform1f},
677 {"glUniform2f", (void **) &qglUniform2f},
678 {"glUniform3f", (void **) &qglUniform3f},
679 {"glUniform4f", (void **) &qglUniform4f},
680 {"glUniform1i", (void **) &qglUniform1i},
681 {"glUniform2i", (void **) &qglUniform2i},
682 {"glUniform3i", (void **) &qglUniform3i},
683 {"glUniform4i", (void **) &qglUniform4i},
684 {"glUniform1fv", (void **) &qglUniform1fv},
685 {"glUniform2fv", (void **) &qglUniform2fv},
686 {"glUniform3fv", (void **) &qglUniform3fv},
687 {"glUniform4fv", (void **) &qglUniform4fv},
688 {"glUniform1iv", (void **) &qglUniform1iv},
689 {"glUniform2iv", (void **) &qglUniform2iv},
690 {"glUniform3iv", (void **) &qglUniform3iv},
691 {"glUniform4iv", (void **) &qglUniform4iv},
692 {"glUniformMatrix2fv", (void **) &qglUniformMatrix2fv},
693 {"glUniformMatrix3fv", (void **) &qglUniformMatrix3fv},
694 {"glUniformMatrix4fv", (void **) &qglUniformMatrix4fv},
695 {"glGetShaderiv", (void **) &qglGetShaderiv},
696 {"glGetProgramiv", (void **) &qglGetProgramiv},
697 {"glGetShaderInfoLog", (void **) &qglGetShaderInfoLog},
698 {"glGetProgramInfoLog", (void **) &qglGetProgramInfoLog},
699 {"glGetAttachedShaders", (void **) &qglGetAttachedShaders},
700 {"glGetUniformLocation", (void **) &qglGetUniformLocation},
701 {"glGetActiveUniform", (void **) &qglGetActiveUniform},
702 {"glGetUniformfv", (void **) &qglGetUniformfv},
703 {"glGetUniformiv", (void **) &qglGetUniformiv},
704 {"glGetShaderSource", (void **) &qglGetShaderSource},
705 {"glVertexAttrib1f", (void **) &qglVertexAttrib1f},
706 {"glVertexAttrib1s", (void **) &qglVertexAttrib1s},
707 {"glVertexAttrib1d", (void **) &qglVertexAttrib1d},
708 {"glVertexAttrib2f", (void **) &qglVertexAttrib2f},
709 {"glVertexAttrib2s", (void **) &qglVertexAttrib2s},
710 {"glVertexAttrib2d", (void **) &qglVertexAttrib2d},
711 {"glVertexAttrib3f", (void **) &qglVertexAttrib3f},
712 {"glVertexAttrib3s", (void **) &qglVertexAttrib3s},
713 {"glVertexAttrib3d", (void **) &qglVertexAttrib3d},
714 {"glVertexAttrib4f", (void **) &qglVertexAttrib4f},
715 {"glVertexAttrib4s", (void **) &qglVertexAttrib4s},
716 {"glVertexAttrib4d", (void **) &qglVertexAttrib4d},
717 {"glVertexAttrib4Nub", (void **) &qglVertexAttrib4Nub},
718 {"glVertexAttrib1fv", (void **) &qglVertexAttrib1fv},
719 {"glVertexAttrib1sv", (void **) &qglVertexAttrib1sv},
720 {"glVertexAttrib1dv", (void **) &qglVertexAttrib1dv},
721 {"glVertexAttrib2fv", (void **) &qglVertexAttrib1fv},
722 {"glVertexAttrib2sv", (void **) &qglVertexAttrib1sv},
723 {"glVertexAttrib2dv", (void **) &qglVertexAttrib1dv},
724 {"glVertexAttrib3fv", (void **) &qglVertexAttrib1fv},
725 {"glVertexAttrib3sv", (void **) &qglVertexAttrib1sv},
726 {"glVertexAttrib3dv", (void **) &qglVertexAttrib1dv},
727 {"glVertexAttrib4fv", (void **) &qglVertexAttrib1fv},
728 {"glVertexAttrib4sv", (void **) &qglVertexAttrib1sv},
729 {"glVertexAttrib4dv", (void **) &qglVertexAttrib1dv},
730 // {"glVertexAttrib4iv", (void **) &qglVertexAttrib1iv},
731 // {"glVertexAttrib4bv", (void **) &qglVertexAttrib1bv},
732 // {"glVertexAttrib4ubv", (void **) &qglVertexAttrib1ubv},
733 // {"glVertexAttrib4usv", (void **) &qglVertexAttrib1usv},
734 // {"glVertexAttrib4uiv", (void **) &qglVertexAttrib1uiv},
735 // {"glVertexAttrib4Nbv", (void **) &qglVertexAttrib1Nbv},
736 // {"glVertexAttrib4Nsv", (void **) &qglVertexAttrib1Nsv},
737 // {"glVertexAttrib4Niv", (void **) &qglVertexAttrib1Niv},
738 // {"glVertexAttrib4Nubv", (void **) &qglVertexAttrib1Nubv},
739 // {"glVertexAttrib4Nusv", (void **) &qglVertexAttrib1Nusv},
740 // {"glVertexAttrib4Nuiv", (void **) &qglVertexAttrib1Nuiv},
741 {"glVertexAttribPointer", (void **) &qglVertexAttribPointer},
742 {"glEnableVertexAttribArray", (void **) &qglEnableVertexAttribArray},
743 {"glDisableVertexAttribArray", (void **) &qglDisableVertexAttribArray},
744 {"glBindAttribLocation", (void **) &qglBindAttribLocation},
745 {"glGetActiveAttrib", (void **) &qglGetActiveAttrib},
746 {"glGetAttribLocation", (void **) &qglGetAttribLocation},
747 {"glGetVertexAttribdv", (void **) &qglGetVertexAttribdv},
748 {"glGetVertexAttribfv", (void **) &qglGetVertexAttribfv},
749 {"glGetVertexAttribiv", (void **) &qglGetVertexAttribiv},
750 {"glGetVertexAttribPointerv", (void **) &qglGetVertexAttribPointerv},
754 static dllfunction_t glsl130funcs[] =
756 {"glBindFragDataLocation", (void **) &qglBindFragDataLocation},
760 static dllfunction_t vbofuncs[] =
762 {"glBindBufferARB" , (void **) &qglBindBufferARB},
763 {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
764 {"glGenBuffersARB" , (void **) &qglGenBuffersARB},
765 {"glIsBufferARB" , (void **) &qglIsBufferARB},
766 {"glMapBufferARB" , (void **) &qglMapBufferARB},
767 {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB},
768 {"glBufferDataARB" , (void **) &qglBufferDataARB},
769 {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
773 static dllfunction_t ubofuncs[] =
775 {"glGetUniformIndices" , (void **) &qglGetUniformIndices},
776 {"glGetActiveUniformsiv" , (void **) &qglGetActiveUniformsiv},
777 {"glGetActiveUniformName" , (void **) &qglGetActiveUniformName},
778 {"glGetUniformBlockIndex" , (void **) &qglGetUniformBlockIndex},
779 {"glGetActiveUniformBlockiv" , (void **) &qglGetActiveUniformBlockiv},
780 {"glGetActiveUniformBlockName", (void **) &qglGetActiveUniformBlockName},
781 {"glBindBufferRange" , (void **) &qglBindBufferRange},
782 {"glBindBufferBase" , (void **) &qglBindBufferBase},
783 {"glGetIntegeri_v" , (void **) &qglGetIntegeri_v},
784 {"glUniformBlockBinding" , (void **) &qglUniformBlockBinding},
788 static dllfunction_t arbfbofuncs[] =
790 {"glIsRenderbuffer" , (void **) &qglIsRenderbuffer},
791 {"glBindRenderbuffer" , (void **) &qglBindRenderbuffer},
792 {"glDeleteRenderbuffers" , (void **) &qglDeleteRenderbuffers},
793 {"glGenRenderbuffers" , (void **) &qglGenRenderbuffers},
794 {"glRenderbufferStorage" , (void **) &qglRenderbufferStorage},
795 {"glRenderbufferStorageMultisample" , (void **) &qglRenderbufferStorageMultisample}, // not in GL_EXT_framebuffer_object
796 {"glGetRenderbufferParameteriv" , (void **) &qglGetRenderbufferParameteriv},
797 {"glIsFramebuffer" , (void **) &qglIsFramebuffer},
798 {"glBindFramebuffer" , (void **) &qglBindFramebuffer},
799 {"glDeleteFramebuffers" , (void **) &qglDeleteFramebuffers},
800 {"glGenFramebuffers" , (void **) &qglGenFramebuffers},
801 {"glCheckFramebufferStatus" , (void **) &qglCheckFramebufferStatus},
802 {"glFramebufferTexture1D" , (void **) &qglFramebufferTexture1D},
803 {"glFramebufferTexture2D" , (void **) &qglFramebufferTexture2D},
804 {"glFramebufferTexture3D" , (void **) &qglFramebufferTexture3D},
805 {"glFramebufferTextureLayer" , (void **) &qglFramebufferTextureLayer}, // not in GL_EXT_framebuffer_object
806 {"glFramebufferRenderbuffer" , (void **) &qglFramebufferRenderbuffer},
807 {"glGetFramebufferAttachmentParameteriv" , (void **) &qglGetFramebufferAttachmentParameteriv},
808 {"glBlitFramebuffer" , (void **) &qglBlitFramebuffer}, // not in GL_EXT_framebuffer_object
809 {"glGenerateMipmap" , (void **) &qglGenerateMipmap},
813 static dllfunction_t extfbofuncs[] =
815 {"glIsRenderbufferEXT" , (void **) &qglIsRenderbuffer},
816 {"glBindRenderbufferEXT" , (void **) &qglBindRenderbuffer},
817 {"glDeleteRenderbuffersEXT" , (void **) &qglDeleteRenderbuffers},
818 {"glGenRenderbuffersEXT" , (void **) &qglGenRenderbuffers},
819 {"glRenderbufferStorageEXT" , (void **) &qglRenderbufferStorage},
820 {"glGetRenderbufferParameterivEXT" , (void **) &qglGetRenderbufferParameteriv},
821 {"glIsFramebufferEXT" , (void **) &qglIsFramebuffer},
822 {"glBindFramebufferEXT" , (void **) &qglBindFramebuffer},
823 {"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffers},
824 {"glGenFramebuffersEXT" , (void **) &qglGenFramebuffers},
825 {"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatus},
826 {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1D},
827 {"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2D},
828 {"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3D},
829 {"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbuffer},
830 {"glGetFramebufferAttachmentParameterivEXT" , (void **) &qglGetFramebufferAttachmentParameteriv},
831 {"glGenerateMipmapEXT" , (void **) &qglGenerateMipmap},
835 static dllfunction_t texturecompressionfuncs[] =
837 {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB},
838 {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB},
839 // {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB},
840 {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB},
841 {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB},
842 // {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB},
843 {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB},
847 static dllfunction_t occlusionqueryfuncs[] =
849 {"glGenQueriesARB", (void **) &qglGenQueriesARB},
850 {"glDeleteQueriesARB", (void **) &qglDeleteQueriesARB},
851 {"glIsQueryARB", (void **) &qglIsQueryARB},
852 {"glBeginQueryARB", (void **) &qglBeginQueryARB},
853 {"glEndQueryARB", (void **) &qglEndQueryARB},
854 {"glGetQueryivARB", (void **) &qglGetQueryivARB},
855 {"glGetQueryObjectivARB", (void **) &qglGetQueryObjectivARB},
856 {"glGetQueryObjectuivARB", (void **) &qglGetQueryObjectuivARB},
860 static dllfunction_t drawbuffersfuncs[] =
862 {"glDrawBuffersARB", (void **) &qglDrawBuffersARB},
866 static dllfunction_t multisamplefuncs[] =
868 {"glSampleCoverageARB", (void **) &qglSampleCoverageARB},
872 static dllfunction_t blendfuncseparatefuncs[] =
874 {"glBlendFuncSeparateEXT", (void **) &qglBlendFuncSeparate},
880 void VID_ClearExtensions(void)
882 // VorteX: reset extensions info cvar, it got filled by GL_CheckExtension
883 Cvar_SetQuick(&gl_info_extensions, "");
885 // clear the extension flags
886 memset(&vid.support, 0, sizeof(vid.support));
887 vid.renderpath = RENDERPATH_GL20;
888 vid.sRGBcapable2D = false;
889 vid.sRGBcapable3D = false;
890 vid.useinterleavedarrays = false;
891 vid.forcevbo = false;
892 vid.maxtexturesize_2d = 0;
893 vid.maxtexturesize_3d = 0;
894 vid.maxtexturesize_cubemap = 0;
896 vid.teximageunits = 1;
897 vid.texarrayunits = 1;
898 vid.max_anisotropy = 1;
899 vid.maxdrawbuffers = 1;
902 // this is a complete list of all functions that are directly checked in the renderer
903 qglDrawRangeElements = NULL;
904 qglDrawBuffer = NULL;
905 qglPolygonStipple = NULL;
907 qglActiveTexture = NULL;
908 qglGetCompressedTexImageARB = NULL;
909 qglFramebufferTexture2D = NULL;
910 qglDrawBuffersARB = NULL;
915 void VID_CheckExtensions(void)
917 if (!GL_CheckExtension("glbase", opengl110funcs, NULL, false))
918 Sys_Error("OpenGL 1.1.0 functions not found");
919 vid.support.gl20shaders = GL_CheckExtension("2.0", gl20shaderfuncs, "-noshaders", true);
923 Con_DPrint("Checking OpenGL extensions...\n");
925 if (vid.support.gl20shaders)
928 // detect what GLSL version is available, to enable features like r_glsl_skeletal and higher quality reliefmapping
929 vid.support.glshaderversion = 100;
930 s = (char *) qglGetString(GL_SHADING_LANGUAGE_VERSION);
932 vid.support.glshaderversion = (int)(atof(s) * 100.0f + 0.5f);
933 if (vid.support.glshaderversion < 100)
934 vid.support.glshaderversion = 100;
935 Con_DPrintf("Detected GLSL #version %i\n", vid.support.glshaderversion);
936 // get the glBindFragDataLocation function
937 if (vid.support.glshaderversion >= 130)
938 vid.support.gl20shaders130 = GL_CheckExtension("glshaders130", glsl130funcs, "-noglsl130", true);
941 // GL drivers generally prefer GL_BGRA
942 vid.forcetextype = GL_BGRA;
944 vid.support.amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", NULL, "-notexture4", false);
945 vid.support.arb_depth_texture = GL_CheckExtension("GL_ARB_depth_texture", NULL, "-nodepthtexture", false);
946 vid.support.arb_draw_buffers = GL_CheckExtension("GL_ARB_draw_buffers", drawbuffersfuncs, "-nodrawbuffers", false);
947 vid.support.arb_multitexture = GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false);
948 vid.support.arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false);
949 vid.support.arb_query_buffer_object = GL_CheckExtension("GL_ARB_query_buffer_object", NULL, "-noquerybuffer", true);
950 vid.support.arb_shadow = GL_CheckExtension("GL_ARB_shadow", NULL, "-noshadow", false);
951 vid.support.arb_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false);
952 vid.support.arb_texture_cube_map = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
953 vid.support.arb_texture_env_combine = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
954 vid.support.arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false);
955 vid.support.arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
956 vid.support.arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
957 vid.support.arb_uniform_buffer_object = GL_CheckExtension("GL_ARB_uniform_buffer_object", ubofuncs, "-noubo", false);
958 vid.support.ati_separate_stencil = GL_CheckExtension("separatestencil", gl2separatestencilfuncs, "-noseparatestencil", true) || GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
959 vid.support.ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
960 vid.support.ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
961 vid.support.ext_blend_func_separate = GL_CheckExtension("GL_EXT_blend_func_separate", blendfuncseparatefuncs, "-noblendfuncseparate", false);
962 vid.support.ext_draw_range_elements = GL_CheckExtension("drawrangeelements", drawrangeelementsfuncs, "-nodrawrangeelements", true) || GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
963 vid.support.arb_framebuffer_object = GL_CheckExtension("GL_ARB_framebuffer_object", arbfbofuncs, "-nofbo", false);
964 if (vid.support.arb_framebuffer_object)
965 vid.support.ext_framebuffer_object = true;
967 vid.support.ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", extfbofuncs, "-nofbo", false);
969 vid.support.ext_packed_depth_stencil = GL_CheckExtension("GL_EXT_packed_depth_stencil", NULL, "-nopackeddepthstencil", false);
970 vid.support.ext_stencil_two_side = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
971 vid.support.ext_texture_3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
972 vid.support.ext_texture_compression_s3tc = GL_CheckExtension("GL_EXT_texture_compression_s3tc", NULL, "-nos3tc", false);
973 vid.support.ext_texture_edge_clamp = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
974 vid.support.ext_texture_filter_anisotropic = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false);
975 vid.support.ext_texture_srgb = GL_CheckExtension("GL_EXT_texture_sRGB", NULL, "-nosrgb", false);
976 vid.support.arb_texture_float = GL_CheckExtension("GL_ARB_texture_float", NULL, "-notexturefloat", false);
977 vid.support.arb_half_float_pixel = GL_CheckExtension("GL_ARB_half_float_pixel", NULL, "-nohalffloatpixel", false);
978 vid.support.arb_half_float_vertex = GL_CheckExtension("GL_ARB_half_float_vertex", NULL, "-nohalffloatvertex", false);
979 vid.support.arb_multisample = GL_CheckExtension("GL_ARB_multisample", multisamplefuncs, "-nomultisample", false);
980 vid.allowalphatocoverage = false;
982 // COMMANDLINEOPTION: GL: -noshaders disables use of OpenGL 2.0 shaders (which allow pixel shader effects, can improve per pixel lighting performance and capabilities)
983 // COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
984 // COMMANDLINEOPTION: GL: -noblendminmax disables GL_EXT_blend_minmax
985 // COMMANDLINEOPTION: GL: -noblendsubtract disables GL_EXT_blend_subtract
986 // COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
987 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
988 // COMMANDLINEOPTION: GL: -nodepthtexture disables use of GL_ARB_depth_texture (required for shadowmapping)
989 // COMMANDLINEOPTION: GL: -nodrawbuffers disables use of GL_ARB_draw_buffers (required for r_shadow_deferredprepass)
990 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
991 // COMMANDLINEOPTION: GL: -noedgeclamp disables GL_EXT_texture_edge_clamp or GL_SGIS_texture_edge_clamp (recommended, some cards do not support the other texture clamp method)
992 // COMMANDLINEOPTION: GL: -nofbo disables GL_EXT_framebuffer_object (which accelerates rendering), only used if GL_ARB_fragment_shader is also available
993 // COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
994 // COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations)
995 // COMMANDLINEOPTION: GL: -noquerybuffer disables GL_ARB_query_buffer_object (which allows corona fading without synchronous rendering)
996 // COMMANDLINEOPTION: GL: -nos3tc disables GL_EXT_texture_compression_s3tc (which allows use of .dds texture caching)
997 // COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering)
998 // COMMANDLINEOPTION: GL: -noshadow disables use of GL_ARB_shadow (required for hardware shadowmap filtering)
999 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
1000 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
1001 // COMMANDLINEOPTION: GL: -notexture4 disables GL_AMD_texture_texture4 (which provides fetch4 sampling)
1002 // COMMANDLINEOPTION: GL: -notexturecompression disables GL_ARB_texture_compression (which saves video memory if it is supported, but can also degrade image quality, see gl_texturecompression cvar documentation for more information)
1003 // COMMANDLINEOPTION: GL: -notexturegather disables GL_ARB_texture_gather (which provides fetch4 sampling)
1004 // COMMANDLINEOPTION: GL: -notexturenonpoweroftwo disables GL_ARB_texture_non_power_of_two (which saves video memory if it is supported, but crashes on some buggy drivers)
1005 // COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
1006 // COMMANDLINEOPTION: GL: -nosrgb disables GL_EXT_texture_sRGB (which is used for higher quality non-linear texture gamma)
1007 // COMMANDLINEOPTION: GL: -nomultisample disables GL_ARB_multisample
1009 if (vid.support.arb_draw_buffers)
1010 qglGetIntegerv(GL_MAX_DRAW_BUFFERS_ARB, (GLint*)&vid.maxdrawbuffers);
1012 // disable non-power-of-two textures on Radeon X1600 and other cards that do not accelerate it with some filtering modes / repeat modes that we use
1013 // we detect these cards by checking if the hardware supports vertex texture fetch (Geforce6 does, Radeon X1600 does not, all GL3-class hardware does)
1014 if(vid.support.arb_texture_non_power_of_two && vid.support.gl20shaders)
1017 qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &val);CHECKGLERROR
1019 vid.support.arb_texture_non_power_of_two = false;
1022 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
1023 if (qglDrawRangeElements == NULL)
1024 qglDrawRangeElements = qglDrawRangeElementsEXT;
1026 qglGetIntegerv(GL_MAX_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_2d);
1027 qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, (GLint*)&vid.max_anisotropy);
1028 qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_cubemap);
1029 qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_3d);
1031 // verify that 3d textures are really supported
1032 if (vid.support.ext_texture_3d && vid.maxtexturesize_3d < 32)
1034 vid.support.ext_texture_3d = false;
1035 Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
1038 vid.texunits = vid.teximageunits = vid.texarrayunits = 1;
1039 qglGetIntegerv(GL_MAX_TEXTURE_UNITS, (GLint*)&vid.texunits);
1040 if (vid.support.gl20shaders && vid.support.ext_framebuffer_object && vid.support.arb_texture_non_power_of_two)
1042 qglGetIntegerv(GL_MAX_TEXTURE_UNITS, (GLint*)&vid.texunits);
1043 qglGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, (int *)&vid.teximageunits);CHECKGLERROR
1044 qglGetIntegerv(GL_MAX_TEXTURE_COORDS, (int *)&vid.texarrayunits);CHECKGLERROR
1045 vid.texunits = bound(4, vid.texunits, MAX_TEXTUREUNITS);
1046 vid.teximageunits = bound(16, vid.teximageunits, MAX_TEXTUREUNITS);
1047 vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS);
1048 Con_DPrintf("Using GL2.0+fbo rendering path - %i texture matrix, %i texture images, %i texcoords%s\n", vid.texunits, vid.teximageunits, vid.texarrayunits, vid.support.ext_framebuffer_object ? ", shadowmapping supported" : "");
1049 vid.renderpath = RENDERPATH_GL20;
1050 vid.sRGBcapable2D = false;
1051 vid.sRGBcapable3D = true;
1052 vid.useinterleavedarrays = false;
1053 Con_Printf("vid.support.arb_multisample %i\n", vid.support.arb_multisample);
1054 Con_Printf("vid.support.gl20shaders %i\n", vid.support.gl20shaders);
1055 vid.allowalphatocoverage = true; // but see below, it may get turned to false again if GL_SAMPLES_ARB is <= 1
1058 Sys_Error("OpenGL 2.0 and GL_EXT_framebuffer_object required");
1060 // enable multisample antialiasing if possible
1061 if(vid.support.arb_multisample)
1064 qglGetIntegerv(GL_SAMPLES_ARB, &samples);
1065 vid.samples = samples;
1067 qglEnable(GL_MULTISAMPLE_ARB);
1069 vid.allowalphatocoverage = false;
1073 vid.allowalphatocoverage = false;
1077 // VorteX: set other info (maybe place them in VID_InitMode?)
1078 Cvar_SetQuick(&gl_info_vendor, gl_vendor);
1079 Cvar_SetQuick(&gl_info_renderer, gl_renderer);
1080 Cvar_SetQuick(&gl_info_version, gl_version);
1081 Cvar_SetQuick(&gl_info_platform, gl_platform ? gl_platform : "");
1082 Cvar_SetQuick(&gl_info_driver, gl_driver);
1086 float VID_JoyState_GetAxis(const vid_joystate_t *joystate, int axis, float fsensitivity, float deadzone)
1089 value = (axis >= 0 && axis < MAXJOYAXIS) ? joystate->axis[axis] : 0.0f;
1090 value = value > deadzone ? (value - deadzone) : (value < -deadzone ? (value + deadzone) : 0.0f);
1091 value *= deadzone > 0 ? (1.0f / (1.0f - deadzone)) : 1.0f;
1092 value = bound(-1, value, 1);
1093 return value * fsensitivity;
1096 qboolean VID_JoyBlockEmulatedKeys(int keycode)
1099 vid_joystate_t joystate;
1101 if (!joy_axiskeyevents.integer)
1103 if (vid_joystate.is360)
1105 if (keycode != K_UPARROW && keycode != K_DOWNARROW && keycode != K_RIGHTARROW && keycode != K_LEFTARROW)
1108 // block system-generated key events for arrow keys if we're emulating the arrow keys ourselves
1109 VID_BuildJoyState(&joystate);
1110 for (j = 32;j < 36;j++)
1111 if (vid_joystate.button[j] || joystate.button[j])
1117 void VID_Shared_BuildJoyState_Begin(vid_joystate_t *joystate)
1120 xinput_state_t xinputstate;
1122 memset(joystate, 0, sizeof(*joystate));
1124 if (vid_xinputindex >= 0 && qXInputGetState && qXInputGetState(vid_xinputindex, &xinputstate) == S_OK)
1126 joystate->is360 = true;
1127 joystate->button[ 0] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP) != 0;
1128 joystate->button[ 1] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN) != 0;
1129 joystate->button[ 2] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT) != 0;
1130 joystate->button[ 3] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT) != 0;
1131 joystate->button[ 4] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_START) != 0;
1132 joystate->button[ 5] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_BACK) != 0;
1133 joystate->button[ 6] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_THUMB) != 0;
1134 joystate->button[ 7] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_THUMB) != 0;
1135 joystate->button[ 8] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_SHOULDER) != 0;
1136 joystate->button[ 9] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_SHOULDER) != 0;
1137 joystate->button[10] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_A) != 0;
1138 joystate->button[11] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_B) != 0;
1139 joystate->button[12] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_X) != 0;
1140 joystate->button[13] = (xinputstate.Gamepad.wButtons & XINPUT_GAMEPAD_Y) != 0;
1141 joystate->button[14] = xinputstate.Gamepad.bLeftTrigger >= XINPUT_GAMEPAD_TRIGGER_THRESHOLD;
1142 joystate->button[15] = xinputstate.Gamepad.bRightTrigger >= XINPUT_GAMEPAD_TRIGGER_THRESHOLD;
1143 joystate->button[16] = xinputstate.Gamepad.sThumbLY < -16384;
1144 joystate->button[17] = xinputstate.Gamepad.sThumbLY > 16384;
1145 joystate->button[18] = xinputstate.Gamepad.sThumbLX < -16384;
1146 joystate->button[19] = xinputstate.Gamepad.sThumbLX > 16384;
1147 joystate->button[20] = xinputstate.Gamepad.sThumbRY < -16384;
1148 joystate->button[21] = xinputstate.Gamepad.sThumbRY > 16384;
1149 joystate->button[22] = xinputstate.Gamepad.sThumbRX < -16384;
1150 joystate->button[23] = xinputstate.Gamepad.sThumbRX > 16384;
1151 joystate->axis[ 4] = xinputstate.Gamepad.bLeftTrigger * (1.0f / 255.0f);
1152 joystate->axis[ 5] = xinputstate.Gamepad.bRightTrigger * (1.0f / 255.0f);
1153 joystate->axis[ 0] = xinputstate.Gamepad.sThumbLX * (1.0f / 32767.0f);
1154 joystate->axis[ 1] = xinputstate.Gamepad.sThumbLY * (1.0f / 32767.0f);
1155 joystate->axis[ 2] = xinputstate.Gamepad.sThumbRX * (1.0f / 32767.0f);
1156 joystate->axis[ 3] = xinputstate.Gamepad.sThumbRY * (1.0f / 32767.0f);
1161 void VID_Shared_BuildJoyState_Finish(vid_joystate_t *joystate)
1164 if (joystate->is360)
1166 // emulate key events for thumbstick
1167 f = VID_JoyState_GetAxis(joystate, joy_axisforward.integer, 1, joy_axiskeyevents_deadzone.value) * joy_sensitivityforward.value;
1168 r = VID_JoyState_GetAxis(joystate, joy_axisside.integer , 1, joy_axiskeyevents_deadzone.value) * joy_sensitivityside.value;
1169 #if MAXJOYBUTTON != 36
1170 #error this code must be updated if MAXJOYBUTTON changes!
1172 joystate->button[32] = f > 0.0f;
1173 joystate->button[33] = f < 0.0f;
1174 joystate->button[34] = r > 0.0f;
1175 joystate->button[35] = r < 0.0f;
1178 static void VID_KeyEventForButton(qboolean oldbutton, qboolean newbutton, int key, double *timer)
1184 if (realtime >= *timer)
1186 Key_Event(key, 0, true);
1187 *timer = realtime + 0.1;
1192 Key_Event(key, 0, false);
1200 Key_Event(key, 0, true);
1201 *timer = realtime + 0.5;
1206 #if MAXJOYBUTTON != 36
1207 #error this code must be updated if MAXJOYBUTTON changes!
1209 static int joybuttonkey[MAXJOYBUTTON][2] =
1211 {K_JOY1, K_ENTER}, {K_JOY2, K_ESCAPE}, {K_JOY3, 0}, {K_JOY4, 0}, {K_JOY5, 0}, {K_JOY6, 0}, {K_JOY7, 0}, {K_JOY8, 0}, {K_JOY9, 0}, {K_JOY10, 0}, {K_JOY11, 0}, {K_JOY12, 0}, {K_JOY13, 0}, {K_JOY14, 0}, {K_JOY15, 0}, {K_JOY16, 0},
1212 {K_AUX1, 0}, {K_AUX2, 0}, {K_AUX3, 0}, {K_AUX4, 0}, {K_AUX5, 0}, {K_AUX6, 0}, {K_AUX7, 0}, {K_AUX8, 0}, {K_AUX9, 0}, {K_AUX10, 0}, {K_AUX11, 0}, {K_AUX12, 0}, {K_AUX13, 0}, {K_AUX14, 0}, {K_AUX15, 0}, {K_AUX16, 0},
1213 {K_JOY_UP, K_UPARROW}, {K_JOY_DOWN, K_DOWNARROW}, {K_JOY_RIGHT, K_RIGHTARROW}, {K_JOY_LEFT, K_LEFTARROW},
1216 static int joybuttonkey360[][2] =
1218 {K_X360_DPAD_UP, K_UPARROW},
1219 {K_X360_DPAD_DOWN, K_DOWNARROW},
1220 {K_X360_DPAD_LEFT, K_LEFTARROW},
1221 {K_X360_DPAD_RIGHT, K_RIGHTARROW},
1222 {K_X360_START, K_ESCAPE},
1223 {K_X360_BACK, K_ESCAPE},
1224 {K_X360_LEFT_THUMB, 0},
1225 {K_X360_RIGHT_THUMB, 0},
1226 {K_X360_LEFT_SHOULDER, 0},
1227 {K_X360_RIGHT_SHOULDER, 0},
1228 {K_X360_A, K_ENTER},
1229 {K_X360_B, K_ESCAPE},
1232 {K_X360_LEFT_TRIGGER, 0},
1233 {K_X360_RIGHT_TRIGGER, 0},
1234 {K_X360_LEFT_THUMB_DOWN, K_DOWNARROW},
1235 {K_X360_LEFT_THUMB_UP, K_UPARROW},
1236 {K_X360_LEFT_THUMB_LEFT, K_LEFTARROW},
1237 {K_X360_LEFT_THUMB_RIGHT, K_RIGHTARROW},
1238 {K_X360_RIGHT_THUMB_DOWN, 0},
1239 {K_X360_RIGHT_THUMB_UP, 0},
1240 {K_X360_RIGHT_THUMB_LEFT, 0},
1241 {K_X360_RIGHT_THUMB_RIGHT, 0},
1244 double vid_joybuttontimer[MAXJOYBUTTON];
1245 void VID_ApplyJoyState(vid_joystate_t *joystate)
1248 int c = joy_axiskeyevents.integer != 0;
1249 if (joystate->is360)
1252 // keystrokes (chatpad)
1253 // DOES NOT WORK - no driver support in xinput1_3.dll :(
1254 xinput_keystroke_t keystroke;
1255 while (qXInputGetKeystroke && qXInputGetKeystroke(XUSER_INDEX_ANY, 0, &keystroke) == S_OK)
1256 Con_Printf("XInput KeyStroke: VirtualKey %i, Unicode %i, Flags %x, UserIndex %i, HidCode %i\n", keystroke.VirtualKey, keystroke.Unicode, keystroke.Flags, keystroke.UserIndex, keystroke.HidCode);
1259 // emit key events for buttons
1260 for (j = 0;j < (int)(sizeof(joybuttonkey360)/sizeof(joybuttonkey360[0]));j++)
1261 VID_KeyEventForButton(vid_joystate.button[j] != 0, joystate->button[j] != 0, joybuttonkey360[j][c], &vid_joybuttontimer[j]);
1264 cl.cmd.forwardmove += VID_JoyState_GetAxis(joystate, joy_x360_axisforward.integer, joy_x360_sensitivityforward.value, joy_x360_deadzoneforward.value) * cl_forwardspeed.value;
1265 cl.cmd.sidemove += VID_JoyState_GetAxis(joystate, joy_x360_axisside.integer, joy_x360_sensitivityside.value, joy_x360_deadzoneside.value) * cl_sidespeed.value;
1266 cl.cmd.upmove += VID_JoyState_GetAxis(joystate, joy_x360_axisup.integer, joy_x360_sensitivityup.value, joy_x360_deadzoneup.value) * cl_upspeed.value;
1267 cl.viewangles[0] += VID_JoyState_GetAxis(joystate, joy_x360_axispitch.integer, joy_x360_sensitivitypitch.value, joy_x360_deadzonepitch.value) * cl.realframetime * cl_pitchspeed.value;
1268 cl.viewangles[1] += VID_JoyState_GetAxis(joystate, joy_x360_axisyaw.integer, joy_x360_sensitivityyaw.value, joy_x360_deadzoneyaw.value) * cl.realframetime * cl_yawspeed.value;
1269 //cl.viewangles[2] += VID_JoyState_GetAxis(joystate, joy_x360_axisroll.integer, joy_x360_sensitivityroll.value, joy_x360_deadzoneroll.value) * cl.realframetime * cl_rollspeed.value;
1273 // emit key events for buttons
1274 for (j = 0;j < MAXJOYBUTTON;j++)
1275 VID_KeyEventForButton(vid_joystate.button[j] != 0, joystate->button[j] != 0, joybuttonkey[j][c], &vid_joybuttontimer[j]);
1278 cl.cmd.forwardmove += VID_JoyState_GetAxis(joystate, joy_axisforward.integer, joy_sensitivityforward.value, joy_deadzoneforward.value) * cl_forwardspeed.value;
1279 cl.cmd.sidemove += VID_JoyState_GetAxis(joystate, joy_axisside.integer, joy_sensitivityside.value, joy_deadzoneside.value) * cl_sidespeed.value;
1280 cl.cmd.upmove += VID_JoyState_GetAxis(joystate, joy_axisup.integer, joy_sensitivityup.value, joy_deadzoneup.value) * cl_upspeed.value;
1281 cl.viewangles[0] += VID_JoyState_GetAxis(joystate, joy_axispitch.integer, joy_sensitivitypitch.value, joy_deadzonepitch.value) * cl.realframetime * cl_pitchspeed.value;
1282 cl.viewangles[1] += VID_JoyState_GetAxis(joystate, joy_axisyaw.integer, joy_sensitivityyaw.value, joy_deadzoneyaw.value) * cl.realframetime * cl_yawspeed.value;
1283 //cl.viewangles[2] += VID_JoyState_GetAxis(joystate, joy_axisroll.integer, joy_sensitivityroll.value, joy_deadzoneroll.value) * cl.realframetime * cl_rollspeed.value;
1286 vid_joystate = *joystate;
1289 int VID_Shared_SetJoystick(int index)
1293 int xinputcount = 0;
1294 int xinputindex = -1;
1295 int xinputavailable = 0;
1296 xinput_state_t state;
1297 // detect available XInput controllers
1298 for (i = 0;i < 4;i++)
1300 if (qXInputGetState && qXInputGetState(i, &state) == S_OK)
1302 xinputavailable |= 1<<i;
1303 if (index == xinputcount)
1308 if (joy_xinputavailable.integer != xinputavailable)
1309 Cvar_SetValueQuick(&joy_xinputavailable, xinputavailable);
1310 if (vid_xinputindex != xinputindex)
1312 vid_xinputindex = xinputindex;
1313 if (xinputindex >= 0)
1314 Con_Printf("Joystick %i opened (XInput Device %i)\n", index, xinputindex);
1323 static void Force_CenterView_f (void)
1325 cl.viewangles[PITCH] = 0;
1328 static int gamma_forcenextframe = false;
1329 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
1330 static int cachecolorenable;
1332 void VID_ApplyGammaToColor(const float *rgb, float *out)
1335 if (cachecolorenable)
1337 for (i = 0; i < 3; i++)
1338 out[i] = pow(cachecontrastboost * rgb[i] / ((cachecontrastboost - 1) * rgb[i] + 1), 1.0 / invpow(0.5, 1 - cachegrey[i])) * cachewhite[i] + cacheblack[i];
1342 for (i = 0; i < 3; i++)
1343 out[i] = pow(cachecontrastboost * rgb[i] / ((cachecontrastboost - 1) * rgb[i] + 1), 1.0 / cachegamma) * cachecontrast + cachebrightness;
1347 unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
1348 qboolean vid_gammatables_trivial = true;
1349 void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
1351 if (cachecolorenable)
1353 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
1354 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
1355 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
1359 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
1360 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
1361 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
1364 if(vid.sRGB2D || vid.sRGB3D)
1367 for(i = 0; i < 3*rampsize; ++i)
1368 ramps[i] = (int)floor(bound(0.0f, Image_sRGBFloatFromLinearFloat(ramps[i] / 65535.0f), 1.0f) * 65535.0f + 0.5f);
1371 // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
1372 // immensely butchered it to work with variable framerates and fit in with
1373 // the rest of darkplaces.
1375 // R.I.P. zinx http://obits.al.com/obituaries/birmingham/obituary.aspx?n=christopher-robert-lais&pid=186080667
1376 if (v_psycho.integer)
1380 static float n[3], nd[3], nt[3];
1381 static int init = true;
1382 unsigned short *ramp;
1383 gamma_forcenextframe = true;
1387 for (x = 0;x < 3;x++)
1389 n[x] = lhrandom(0, 1);
1390 nd[x] = (rand()&1)?-0.25:0.25;
1391 nt[x] = lhrandom(1, 8.2);
1395 for (x = 0;x < 3;x++)
1397 nt[x] -= cl.realframetime;
1401 nt[x] += lhrandom(1, 8.2);
1403 n[x] += nd[x] * cl.realframetime;
1404 n[x] -= floor(n[x]);
1407 for (x = 0, ramp = ramps;x < 3;x++)
1408 for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize))
1409 *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
1413 void VID_UpdateGamma(void)
1417 qboolean gamma_changed = false;
1419 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
1420 BOUNDCVAR(v_gamma, 0.1, 5);
1421 BOUNDCVAR(v_contrast, 0.2, 5);
1422 BOUNDCVAR(v_brightness, -v_contrast.value * 0.8, 0.8);
1423 //BOUNDCVAR(v_contrastboost, 0.0625, 16);
1424 BOUNDCVAR(v_color_black_r, 0, 0.8);
1425 BOUNDCVAR(v_color_black_g, 0, 0.8);
1426 BOUNDCVAR(v_color_black_b, 0, 0.8);
1427 BOUNDCVAR(v_color_grey_r, 0, 0.95);
1428 BOUNDCVAR(v_color_grey_g, 0, 0.95);
1429 BOUNDCVAR(v_color_grey_b, 0, 0.95);
1430 BOUNDCVAR(v_color_white_r, 1, 5);
1431 BOUNDCVAR(v_color_white_g, 1, 5);
1432 BOUNDCVAR(v_color_white_b, 1, 5);
1435 // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
1436 vid_gammatables_trivial = false;
1437 if(v_psycho.integer == 0)
1438 if(v_contrastboost.value == 1)
1442 if(v_color_enable.integer)
1444 if(v_color_black_r.value == 0)
1445 if(v_color_black_g.value == 0)
1446 if(v_color_black_b.value == 0)
1447 if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
1448 if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
1449 if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
1450 if(v_color_white_r.value == 1)
1451 if(v_color_white_g.value == 1)
1452 if(v_color_white_b.value == 1)
1453 vid_gammatables_trivial = true;
1457 if(v_gamma.value == 1)
1458 if(v_contrast.value == 1)
1459 if(v_brightness.value == 0)
1460 vid_gammatables_trivial = true;
1464 // if any gamma settings were changed, bump vid_gammatables_serial so we regenerate the gamma ramp texture
1465 #define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
1466 if(v_psycho.integer)
1467 gamma_changed = true;
1468 GAMMACHECK(cachegamma , v_gamma.value);
1469 GAMMACHECK(cachecontrast , v_contrast.value);
1470 GAMMACHECK(cachebrightness , v_brightness.value);
1471 GAMMACHECK(cachecontrastboost, v_contrastboost.value);
1472 GAMMACHECK(cachecolorenable, v_color_enable.integer);
1473 GAMMACHECK(cacheblack[0] , v_color_black_r.value);
1474 GAMMACHECK(cacheblack[1] , v_color_black_g.value);
1475 GAMMACHECK(cacheblack[2] , v_color_black_b.value);
1476 GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
1477 GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
1478 GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
1479 GAMMACHECK(cachewhite[0] , v_color_white_r.value);
1480 GAMMACHECK(cachewhite[1] , v_color_white_g.value);
1481 GAMMACHECK(cachewhite[2] , v_color_white_b.value);
1484 ++vid_gammatables_serial;
1489 static dllfunction_t xinputdllfuncs[] =
1491 {"XInputGetState", (void **) &qXInputGetState},
1492 {"XInputGetKeystroke", (void **) &qXInputGetKeystroke},
1495 static const char* xinputdllnames [] =
1502 static dllhandle_t xinputdll_dll = NULL;
1505 void VID_Shared_Init(void)
1507 Cvar_RegisterVariable(&gl_info_vendor);
1508 Cvar_RegisterVariable(&gl_info_renderer);
1509 Cvar_RegisterVariable(&gl_info_version);
1510 Cvar_RegisterVariable(&gl_info_extensions);
1511 Cvar_RegisterVariable(&gl_info_platform);
1512 Cvar_RegisterVariable(&gl_info_driver);
1513 Cvar_RegisterVariable(&v_gamma);
1514 Cvar_RegisterVariable(&v_brightness);
1515 Cvar_RegisterVariable(&v_contrastboost);
1516 Cvar_RegisterVariable(&v_contrast);
1518 Cvar_RegisterVariable(&v_color_enable);
1519 Cvar_RegisterVariable(&v_color_black_r);
1520 Cvar_RegisterVariable(&v_color_black_g);
1521 Cvar_RegisterVariable(&v_color_black_b);
1522 Cvar_RegisterVariable(&v_color_grey_r);
1523 Cvar_RegisterVariable(&v_color_grey_g);
1524 Cvar_RegisterVariable(&v_color_grey_b);
1525 Cvar_RegisterVariable(&v_color_white_r);
1526 Cvar_RegisterVariable(&v_color_white_g);
1527 Cvar_RegisterVariable(&v_color_white_b);
1529 Cvar_RegisterVariable(&v_glslgamma_2d);
1531 Cvar_RegisterVariable(&v_psycho);
1533 Cvar_RegisterVariable(&vid_fullscreen);
1534 Cvar_RegisterVariable(&vid_width);
1535 Cvar_RegisterVariable(&vid_height);
1536 Cvar_RegisterVariable(&vid_bitsperpixel);
1537 Cvar_RegisterVariable(&vid_samples);
1538 Cvar_RegisterVariable(&vid_refreshrate);
1539 Cvar_RegisterVariable(&vid_userefreshrate);
1540 Cvar_RegisterVariable(&vid_stereobuffer);
1541 Cvar_RegisterVariable(&vid_touchscreen_density);
1542 Cvar_RegisterVariable(&vid_touchscreen_xdpi);
1543 Cvar_RegisterVariable(&vid_touchscreen_ydpi);
1544 Cvar_RegisterVariable(&vid_vsync);
1545 Cvar_RegisterVariable(&vid_mouse);
1546 Cvar_RegisterVariable(&vid_grabkeyboard);
1547 Cvar_RegisterVariable(&vid_touchscreen);
1548 Cvar_RegisterVariable(&vid_touchscreen_showkeyboard);
1549 Cvar_RegisterVariable(&vid_touchscreen_supportshowkeyboard);
1550 Cvar_RegisterVariable(&vid_stick_mouse);
1551 Cvar_RegisterVariable(&vid_resizable);
1552 Cvar_RegisterVariable(&vid_desktopfullscreen);
1553 Cvar_RegisterVariable(&vid_minwidth);
1554 Cvar_RegisterVariable(&vid_minheight);
1555 Cvar_RegisterVariable(&gl_finish);
1556 Cvar_RegisterVariable(&vid_sRGB);
1557 Cvar_RegisterVariable(&vid_sRGB_fallback);
1559 Cvar_RegisterVariable(&joy_active);
1561 Cvar_RegisterVariable(&joy_xinputavailable);
1563 Cvar_RegisterVariable(&joy_detected);
1564 Cvar_RegisterVariable(&joy_enable);
1565 Cvar_RegisterVariable(&joy_index);
1566 Cvar_RegisterVariable(&joy_axisforward);
1567 Cvar_RegisterVariable(&joy_axisside);
1568 Cvar_RegisterVariable(&joy_axisup);
1569 Cvar_RegisterVariable(&joy_axispitch);
1570 Cvar_RegisterVariable(&joy_axisyaw);
1571 //Cvar_RegisterVariable(&joy_axisroll);
1572 Cvar_RegisterVariable(&joy_deadzoneforward);
1573 Cvar_RegisterVariable(&joy_deadzoneside);
1574 Cvar_RegisterVariable(&joy_deadzoneup);
1575 Cvar_RegisterVariable(&joy_deadzonepitch);
1576 Cvar_RegisterVariable(&joy_deadzoneyaw);
1577 //Cvar_RegisterVariable(&joy_deadzoneroll);
1578 Cvar_RegisterVariable(&joy_sensitivityforward);
1579 Cvar_RegisterVariable(&joy_sensitivityside);
1580 Cvar_RegisterVariable(&joy_sensitivityup);
1581 Cvar_RegisterVariable(&joy_sensitivitypitch);
1582 Cvar_RegisterVariable(&joy_sensitivityyaw);
1583 //Cvar_RegisterVariable(&joy_sensitivityroll);
1584 Cvar_RegisterVariable(&joy_axiskeyevents);
1585 Cvar_RegisterVariable(&joy_axiskeyevents_deadzone);
1586 Cvar_RegisterVariable(&joy_x360_axisforward);
1587 Cvar_RegisterVariable(&joy_x360_axisside);
1588 Cvar_RegisterVariable(&joy_x360_axisup);
1589 Cvar_RegisterVariable(&joy_x360_axispitch);
1590 Cvar_RegisterVariable(&joy_x360_axisyaw);
1591 //Cvar_RegisterVariable(&joy_x360_axisroll);
1592 Cvar_RegisterVariable(&joy_x360_deadzoneforward);
1593 Cvar_RegisterVariable(&joy_x360_deadzoneside);
1594 Cvar_RegisterVariable(&joy_x360_deadzoneup);
1595 Cvar_RegisterVariable(&joy_x360_deadzonepitch);
1596 Cvar_RegisterVariable(&joy_x360_deadzoneyaw);
1597 //Cvar_RegisterVariable(&joy_x360_deadzoneroll);
1598 Cvar_RegisterVariable(&joy_x360_sensitivityforward);
1599 Cvar_RegisterVariable(&joy_x360_sensitivityside);
1600 Cvar_RegisterVariable(&joy_x360_sensitivityup);
1601 Cvar_RegisterVariable(&joy_x360_sensitivitypitch);
1602 Cvar_RegisterVariable(&joy_x360_sensitivityyaw);
1603 //Cvar_RegisterVariable(&joy_x360_sensitivityroll);
1606 Sys_LoadLibrary(xinputdllnames, &xinputdll_dll, xinputdllfuncs);
1609 Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)");
1610 Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)");
1613 static int VID_Mode(int fullscreen, int width, int height, int bpp, float refreshrate, int stereobuffer, int samples)
1618 memset(&mode, 0, sizeof(mode));
1619 mode.fullscreen = fullscreen != 0;
1621 mode.height = height;
1622 mode.bitsperpixel = bpp;
1623 mode.refreshrate = vid_userefreshrate.integer ? max(1, refreshrate) : 0;
1624 mode.userefreshrate = vid_userefreshrate.integer != 0;
1625 mode.stereobuffer = stereobuffer != 0;
1626 mode.samples = samples;
1627 cl_ignoremousemoves = 2;
1628 VID_ClearExtensions();
1630 vid.samples = vid.mode.samples;
1631 if (VID_InitMode(&mode))
1633 // accept the (possibly modified) mode
1635 vid.fullscreen = vid.mode.fullscreen;
1636 vid.width = vid.mode.width;
1637 vid.height = vid.mode.height;
1638 vid.bitsperpixel = vid.mode.bitsperpixel;
1639 vid.refreshrate = vid.mode.refreshrate;
1640 vid.userefreshrate = vid.mode.userefreshrate;
1641 vid.stereobuffer = vid.mode.stereobuffer;
1642 vid.stencil = vid.mode.bitsperpixel > 16;
1643 vid.sRGB2D = vid_sRGB.integer >= 1 && vid.sRGBcapable2D;
1644 vid.sRGB3D = vid_sRGB.integer >= 1 && vid.sRGBcapable3D;
1646 switch(vid.renderpath)
1648 case RENDERPATH_GL20:
1652 qglGetBooleanv(GL_STEREO, &stereo);
1653 vid.stereobuffer = stereo != 0;
1657 case RENDERPATH_GLES2:
1659 vid.stereobuffer = false;
1664 (vid_sRGB_fallback.integer >= 3) // force fallback
1666 (vid_sRGB_fallback.integer >= 2 && // fallback if framebuffer is 8bit
1667 r_viewfbo.integer < 2)
1669 vid.sRGB2D = vid.sRGB3D = false;
1671 if(vid.samples != vid.mode.samples)
1672 Con_Printf("NOTE: requested %dx AA, got %dx AA\n", vid.mode.samples, vid.samples);
1674 Con_Printf("Video Mode: %s %dx%dx%dx%.2fhz%s%s\n", mode.fullscreen ? "fullscreen" : "window", mode.width, mode.height, mode.bitsperpixel, mode.refreshrate, mode.stereobuffer ? " stereo" : "", mode.samples > 1 ? va(vabuf, sizeof(vabuf), " (%ix AA)", mode.samples) : "");
1676 Cvar_SetValueQuick(&vid_fullscreen, vid.mode.fullscreen);
1677 Cvar_SetValueQuick(&vid_width, vid.mode.width);
1678 Cvar_SetValueQuick(&vid_height, vid.mode.height);
1679 Cvar_SetValueQuick(&vid_bitsperpixel, vid.mode.bitsperpixel);
1680 Cvar_SetValueQuick(&vid_samples, vid.mode.samples);
1681 if(vid_userefreshrate.integer)
1682 Cvar_SetValueQuick(&vid_refreshrate, vid.mode.refreshrate);
1683 Cvar_SetValueQuick(&vid_stereobuffer, vid.stereobuffer ? 1 : 0);
1685 if (vid_touchscreen.integer)
1687 in_windowmouse_x = vid_width.value / 2.f;
1688 in_windowmouse_y = vid_height.value / 2.f;
1697 static void VID_OpenSystems(void)
1704 static void VID_CloseSystems(void)
1707 R_Modules_Shutdown();
1711 qboolean vid_commandlinecheck = true;
1712 extern qboolean vid_opened;
1714 void VID_Restart_f(void)
1718 // don't crash if video hasn't started yet
1719 if (vid_commandlinecheck)
1724 SCR_BeginLoadingPlaque(false);
1728 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
1729 vid.mode.fullscreen ? "fullscreen" : "window", vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.fullscreen && vid.mode.userefreshrate ? va(vabuf, sizeof(vabuf), "x%.2fhz", vid.mode.refreshrate) : "", vid.mode.samples > 1 ? va(vabuf2, sizeof(vabuf2), " (%ix AA)", vid.mode.samples) : "",
1730 vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_fullscreen.integer && vid_userefreshrate.integer ? va(vabuf, sizeof(vabuf), "x%.2fhz", vid_refreshrate.value) : "", vid_samples.integer > 1 ? va(vabuf2, sizeof(vabuf2), " (%ix AA)", vid_samples.integer) : "");
1733 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer))
1735 Con_Print("Video mode change failed\n");
1736 if (!VID_Mode(vid.mode.fullscreen, vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.refreshrate, vid.mode.stereobuffer, vid.mode.samples))
1737 Sys_Error("Unable to restore to last working video mode");
1742 const char *vidfallbacks[][2] =
1744 {"vid_stereobuffer", "0"},
1745 {"vid_samples", "1"},
1746 {"vid_userefreshrate", "0"},
1747 {"vid_width", "640"},
1748 {"vid_height", "480"},
1749 {"vid_bitsperpixel", "16"},
1753 // this is only called once by Host_StartVideo and again on each FS_GameDir_f
1754 void VID_Start(void)
1756 int i, width, height, success;
1757 if (vid_commandlinecheck)
1759 // interpret command-line parameters
1760 vid_commandlinecheck = false;
1761 // COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
1762 if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
1763 Cvar_SetValueQuick(&vid_fullscreen, false);
1764 // COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
1765 if (COM_CheckParm("-fullscreen"))
1766 Cvar_SetValueQuick(&vid_fullscreen, true);
1769 // COMMANDLINEOPTION: Video: -width <pixels> performs +vid_width <pixels> and also +vid_height <pixels*3/4> if only -width is specified (example: -width 1024 sets 1024x768 mode)
1770 if ((i = COM_CheckParm("-width")) != 0)
1771 width = atoi(com_argv[i+1]);
1772 // COMMANDLINEOPTION: Video: -height <pixels> performs +vid_height <pixels> and also +vid_width <pixels*4/3> if only -height is specified (example: -height 768 sets 1024x768 mode)
1773 if ((i = COM_CheckParm("-height")) != 0)
1774 height = atoi(com_argv[i+1]);
1776 width = height * 4 / 3;
1778 height = width * 3 / 4;
1780 Cvar_SetValueQuick(&vid_width, width);
1782 Cvar_SetValueQuick(&vid_height, height);
1783 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
1784 if ((i = COM_CheckParm("-bpp")) != 0)
1785 Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
1786 // COMMANDLINEOPTION: Video: -density <multiplier> performs +vid_touchscreen_density <multiplier> (example -density 1 or -density 1.5)
1787 if ((i = COM_CheckParm("-density")) != 0)
1788 Cvar_SetQuick(&vid_touchscreen_density, com_argv[i+1]);
1789 // COMMANDLINEOPTION: Video: -xdpi <dpi> performs +vid_touchscreen_xdpi <dpi> (example -xdpi 160 or -xdpi 320)
1790 if ((i = COM_CheckParm("-touchscreen_xdpi")) != 0)
1791 Cvar_SetQuick(&vid_touchscreen_xdpi, com_argv[i+1]);
1792 // COMMANDLINEOPTION: Video: -ydpi <dpi> performs +vid_touchscreen_ydpi <dpi> (example -ydpi 160 or -ydpi 320)
1793 if ((i = COM_CheckParm("-touchscreen_ydpi")) != 0)
1794 Cvar_SetQuick(&vid_touchscreen_ydpi, com_argv[i+1]);
1797 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
1800 Con_Print("Desired video mode fail, trying fallbacks...\n");
1801 for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
1803 Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
1804 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
1807 Sys_Error("Video modes failed");
1818 static int VID_SortModes_Compare(const void *a_, const void *b_)
1820 vid_mode_t *a = (vid_mode_t *) a_;
1821 vid_mode_t *b = (vid_mode_t *) b_;
1822 if(a->width > b->width)
1824 if(a->width < b->width)
1826 if(a->height > b->height)
1828 if(a->height < b->height)
1830 if(a->refreshrate > b->refreshrate)
1832 if(a->refreshrate < b->refreshrate)
1838 if(a->pixelheight_num * b->pixelheight_denom > a->pixelheight_denom * b->pixelheight_num)
1840 if(a->pixelheight_num * b->pixelheight_denom < a->pixelheight_denom * b->pixelheight_num)
1844 size_t VID_SortModes(vid_mode_t *modes, size_t count, qboolean usebpp, qboolean userefreshrate, qboolean useaspect)
1850 qsort(modes, count, sizeof(*modes), VID_SortModes_Compare);
1851 // 2. remove duplicates
1852 for(i = 0; i < count; ++i)
1854 if(modes[i].width && modes[i].height)
1858 if(modes[i].width != modes[i-1].width)
1860 if(modes[i].height != modes[i-1].height)
1863 if(modes[i].refreshrate != modes[i-1].refreshrate)
1866 if(modes[i].bpp != modes[i-1].bpp)
1869 if(modes[i].pixelheight_num * modes[i-1].pixelheight_denom != modes[i].pixelheight_denom * modes[i-1].pixelheight_num)
1872 // a dupe, or a bogus mode!
1874 memmove(&modes[i], &modes[i+1], sizeof(*modes) * (count-1 - i));
1875 --i; // check this index again, as mode i+1 is now here