8 // LordHavoc: these are only set in wgl
9 qboolean isG200 = false; // LordHavoc: the Matrox G200 can't do per pixel alpha, and it uses a D3D driver for GL... ugh...
10 qboolean isRagePro = false; // LordHavoc: the ATI Rage Pro has limitations with per pixel alpha (the color scaler does not apply to per pixel alpha images...), although not as bad as a G200.
12 // AK FIXME -> input_dest
13 qboolean in_client_mouse = true;
15 // AK where should it be placed ?
16 float in_mouse_x, in_mouse_y;
18 // value of GL_MAX_TEXTURE_<various>_SIZE
19 int gl_max_texture_size = 0;
20 int gl_max_3d_texture_size = 0;
21 int gl_max_cube_map_texture_size = 0;
22 // GL_ARB_multitexture
23 int gl_textureunits = 1;
24 // GL_ARB_texture_env_combine or GL_EXT_texture_env_combine
25 int gl_combine_extension = false;
26 // GL_EXT_compiled_vertex_array
27 int gl_supportslockarrays = false;
28 // GLX_SGI_swap_control or WGL_EXT_swap_control
29 int gl_videosyncavailable = false;
31 int gl_stencil = false;
32 // 3D textures available
33 int gl_texture3d = false;
34 // GL_ARB_texture_cubemap
35 int gl_texturecubemap = false;
36 // GL_ARB_texture_non_power_of_two
37 int gl_support_arb_texture_non_power_of_two = false;
38 // GL_ARB_texture_env_dot3
39 int gl_dot3arb = false;
40 // GL_SGIS_texture_edge_clamp
41 int gl_support_clamptoedge = false;
42 // GL_EXT_texture_filter_anisotropic
43 int gl_support_anisotropy = false;
44 int gl_max_anisotropy = 1;
45 // OpenGL2.0 core glStencilOpSeparate, or GL_ATI_separate_stencil
46 int gl_support_separatestencil = false;
47 // GL_EXT_stencil_two_side
48 int gl_support_stenciltwoside = false;
49 // GL_EXT_blend_minmax
50 int gl_support_ext_blend_minmax = false;
51 // GL_EXT_blend_subtract
52 int gl_support_ext_blend_subtract = false;
53 // GL_ARB_shader_objects
54 int gl_support_shader_objects = false;
55 // GL_ARB_shading_language_100
56 int gl_support_shading_language_100 = false;
57 // GL_ARB_vertex_shader
58 int gl_support_vertex_shader = false;
59 // GL_ARB_fragment_shader
60 int gl_support_fragment_shader = false;
61 //GL_ARB_vertex_buffer_object
62 int gl_support_arb_vertex_buffer_object = false;
63 //GL_ARB_texture_compression
64 int gl_support_texture_compression = false;
66 // LordHavoc: if window is hidden, don't update screen
67 qboolean vid_hidden = true;
68 // LordHavoc: if window is not the active window, don't hog as much CPU time,
69 // let go of the mouse, turn off sound, and restore system gamma ramps...
70 qboolean vid_activewindow = true;
72 // we don't know until we try it!
73 cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"};
74 // whether hardware gamma ramps are currently in effect
75 qboolean vid_usinghwgamma = false;
77 int vid_gammarampsize = 0;
78 unsigned short *vid_gammaramps = NULL;
79 unsigned short *vid_systemgammaramps = NULL;
81 cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"};
82 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
83 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
84 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
85 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)"};
86 cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
87 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"};
88 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"};
90 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"};
91 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
92 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)"};
93 cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"};
94 cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"};
95 cvar_t gl_combine = {0, "gl_combine", "1", "faster rendering by using GL_ARB_texture_env_combine extension (part of OpenGL 1.3 and above)"};
96 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)"};
98 cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
99 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" };
101 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"};
102 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)"};
103 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
104 cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
105 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
106 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
107 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
108 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
109 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
110 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
111 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
112 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
113 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
114 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
115 cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1", "enables use of hardware gamma correction ramps if available (note: does not work very well on Windows2000 and above), values are 0 = off, 1 = attempt to use hardware gamma, 2 = use hardware gamma whether it works or not"};
116 cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
117 cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
119 // brand of graphics chip
120 const char *gl_vendor;
121 // graphics chip model and other information
122 const char *gl_renderer;
123 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
124 const char *gl_version;
125 // extensions list, space separated
126 const char *gl_extensions;
128 const char *gl_platform;
129 // another extensions list, containing platform-specific extensions that are
130 // not in the main list
131 const char *gl_platformextensions;
132 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
135 // GL_ARB_multitexture
136 void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
137 void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
138 void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
139 void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
140 void (GLAPIENTRY *qglActiveTexture) (GLenum);
141 void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
143 // GL_EXT_compiled_vertex_array
144 void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
145 void (GLAPIENTRY *qglUnlockArraysEXT) (void);
147 // general GL functions
149 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
151 void (GLAPIENTRY *qglClear)(GLbitfield mask);
153 void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
154 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
155 void (GLAPIENTRY *qglCullFace)(GLenum mode);
157 void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
158 void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
159 void (GLAPIENTRY *qglEnable)(GLenum cap);
160 void (GLAPIENTRY *qglDisable)(GLenum cap);
161 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
163 void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
164 void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
166 void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
167 void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
168 void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
169 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
171 GLenum (GLAPIENTRY *qglGetError)(void);
172 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
173 void (GLAPIENTRY *qglFinish)(void);
174 void (GLAPIENTRY *qglFlush)(void);
176 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
177 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
178 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
179 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
180 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
182 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
183 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
184 void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
185 void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
186 void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
187 void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
188 void (GLAPIENTRY *qglArrayElement)(GLint i);
190 void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
191 void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
192 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
193 void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
194 void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
195 void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
196 void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
197 void (GLAPIENTRY *qglBegin)(GLenum mode);
198 void (GLAPIENTRY *qglEnd)(void);
200 void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
201 void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
202 void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
203 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
204 void (GLAPIENTRY *qglPushMatrix)(void);
205 void (GLAPIENTRY *qglPopMatrix)(void);
206 void (GLAPIENTRY *qglLoadIdentity)(void);
207 void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
208 void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
209 void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
210 void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
211 void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
212 void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
213 void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
214 void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
215 void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
216 void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
218 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
220 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
221 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
222 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
223 void (GLAPIENTRY *qglClearStencil)(GLint s);
225 void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
226 void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
227 void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
228 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
229 void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
230 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
231 void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
233 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
234 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
235 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
236 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
237 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
238 GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
239 void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
240 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
242 void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
243 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
244 void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
245 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
246 void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
247 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
248 void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
249 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
252 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
254 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
256 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
257 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);
258 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
260 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
262 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
263 void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
264 void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
266 void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
267 void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
269 //[515]: added on 29.07.2005
270 void (GLAPIENTRY *qglLineWidth)(GLfloat width);
271 void (GLAPIENTRY *qglPointSize)(GLfloat size);
273 void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
275 void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
276 void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
277 void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
279 void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
280 GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname);
281 void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj);
282 GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType);
283 void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length);
284 void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj);
285 GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void);
286 void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj);
287 void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj);
288 void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj);
289 void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj);
290 void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0);
291 void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1);
292 void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
293 void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
294 void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0);
295 void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1);
296 void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2);
297 void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
298 void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value);
299 void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value);
300 void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value);
301 void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value);
302 void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value);
303 void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value);
304 void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value);
305 void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value);
306 void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
307 void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
308 void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
309 void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params);
310 void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params);
311 void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
312 void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
313 GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name);
314 void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
315 void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
316 void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
317 void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
319 //void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0);
320 //void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0);
321 //void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0);
322 //void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1);
323 //void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1);
324 //void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1);
325 //void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
326 //void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
327 //void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
328 //void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
329 //void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
330 //void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
331 //void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
332 //void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v);
333 //void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v);
334 //void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v);
335 //void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v);
336 //void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v);
337 //void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v);
338 //void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v);
339 //void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v);
340 //void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v);
341 //void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v);
342 //void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v);
343 //void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v);
344 //void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v);
345 //void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v);
346 //void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v);
347 //void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v);
348 //void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v);
349 //void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v);
350 //void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v);
351 //void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v);
352 //void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v);
353 //void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v);
354 //void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v);
355 void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
356 void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index);
357 void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index);
358 void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name);
359 void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
360 GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name);
361 //void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params);
362 //void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params);
363 //void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
364 //void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
366 //GL_ARB_vertex_buffer_object
367 void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
368 void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
369 void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
370 GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
371 GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
372 GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
373 void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
374 void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
376 void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
377 void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
378 void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
379 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);
380 void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
381 void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
382 void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
384 int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent)
387 const dllfunction_t *func;
389 Con_DPrintf("checking for %s... ", name);
391 for (func = funcs;func && func->name;func++)
392 *func->funcvariable = NULL;
394 if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
396 Con_DPrint("disabled by commandline\n");
400 if (strstr(gl_extensions, name) || strstr(gl_platformextensions, name) || (strncmp(name, "GL_", 3) && strncmp(name, "WGL_", 4) && strncmp(name, "GLX_", 4) && strncmp(name, "AGL_", 4)))
402 for (func = funcs;func && func->name != NULL;func++)
404 // functions are cleared before all the extensions are evaluated
405 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
408 Con_DPrintf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name);
412 // delay the return so it prints all missing functions
415 Con_DPrint("enabled\n");
420 Con_DPrint("not detected\n");
425 static dllfunction_t opengl110funcs[] =
427 {"glClearColor", (void **) &qglClearColor},
428 {"glClear", (void **) &qglClear},
429 {"glAlphaFunc", (void **) &qglAlphaFunc},
430 {"glBlendFunc", (void **) &qglBlendFunc},
431 {"glCullFace", (void **) &qglCullFace},
432 {"glDrawBuffer", (void **) &qglDrawBuffer},
433 {"glReadBuffer", (void **) &qglReadBuffer},
434 {"glEnable", (void **) &qglEnable},
435 {"glDisable", (void **) &qglDisable},
436 {"glIsEnabled", (void **) &qglIsEnabled},
437 {"glEnableClientState", (void **) &qglEnableClientState},
438 {"glDisableClientState", (void **) &qglDisableClientState},
439 {"glGetBooleanv", (void **) &qglGetBooleanv},
440 {"glGetDoublev", (void **) &qglGetDoublev},
441 {"glGetFloatv", (void **) &qglGetFloatv},
442 {"glGetIntegerv", (void **) &qglGetIntegerv},
443 {"glGetError", (void **) &qglGetError},
444 {"glGetString", (void **) &qglGetString},
445 {"glFinish", (void **) &qglFinish},
446 {"glFlush", (void **) &qglFlush},
447 {"glClearDepth", (void **) &qglClearDepth},
448 {"glDepthFunc", (void **) &qglDepthFunc},
449 {"glDepthMask", (void **) &qglDepthMask},
450 {"glDepthRange", (void **) &qglDepthRange},
451 {"glDrawElements", (void **) &qglDrawElements},
452 {"glColorMask", (void **) &qglColorMask},
453 {"glVertexPointer", (void **) &qglVertexPointer},
454 {"glNormalPointer", (void **) &qglNormalPointer},
455 {"glColorPointer", (void **) &qglColorPointer},
456 {"glTexCoordPointer", (void **) &qglTexCoordPointer},
457 {"glArrayElement", (void **) &qglArrayElement},
458 {"glColor4f", (void **) &qglColor4f},
459 {"glTexCoord1f", (void **) &qglTexCoord1f},
460 {"glTexCoord2f", (void **) &qglTexCoord2f},
461 {"glTexCoord3f", (void **) &qglTexCoord3f},
462 {"glTexCoord4f", (void **) &qglTexCoord4f},
463 {"glVertex2f", (void **) &qglVertex2f},
464 {"glVertex3f", (void **) &qglVertex3f},
465 {"glBegin", (void **) &qglBegin},
466 {"glEnd", (void **) &qglEnd},
467 //[515]: added on 29.07.2005
468 {"glLineWidth", (void**) &qglLineWidth},
469 {"glPointSize", (void**) &qglPointSize},
471 {"glMatrixMode", (void **) &qglMatrixMode},
472 {"glOrtho", (void **) &qglOrtho},
473 {"glFrustum", (void **) &qglFrustum},
474 {"glViewport", (void **) &qglViewport},
475 {"glPushMatrix", (void **) &qglPushMatrix},
476 {"glPopMatrix", (void **) &qglPopMatrix},
477 {"glLoadIdentity", (void **) &qglLoadIdentity},
478 {"glLoadMatrixd", (void **) &qglLoadMatrixd},
479 {"glLoadMatrixf", (void **) &qglLoadMatrixf},
480 {"glMultMatrixd", (void **) &qglMultMatrixd},
481 {"glMultMatrixf", (void **) &qglMultMatrixf},
482 {"glRotated", (void **) &qglRotated},
483 {"glRotatef", (void **) &qglRotatef},
484 {"glScaled", (void **) &qglScaled},
485 {"glScalef", (void **) &qglScalef},
486 {"glTranslated", (void **) &qglTranslated},
487 {"glTranslatef", (void **) &qglTranslatef},
488 {"glReadPixels", (void **) &qglReadPixels},
489 {"glStencilFunc", (void **) &qglStencilFunc},
490 {"glStencilMask", (void **) &qglStencilMask},
491 {"glStencilOp", (void **) &qglStencilOp},
492 {"glClearStencil", (void **) &qglClearStencil},
493 {"glTexEnvf", (void **) &qglTexEnvf},
494 {"glTexEnvfv", (void **) &qglTexEnvfv},
495 {"glTexEnvi", (void **) &qglTexEnvi},
496 {"glTexParameterf", (void **) &qglTexParameterf},
497 {"glTexParameterfv", (void **) &qglTexParameterfv},
498 {"glTexParameteri", (void **) &qglTexParameteri},
499 {"glHint", (void **) &qglHint},
500 {"glPixelStoref", (void **) &qglPixelStoref},
501 {"glPixelStorei", (void **) &qglPixelStorei},
502 {"glGenTextures", (void **) &qglGenTextures},
503 {"glDeleteTextures", (void **) &qglDeleteTextures},
504 {"glBindTexture", (void **) &qglBindTexture},
505 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
506 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
507 {"glIsTexture", (void **) &qglIsTexture},
508 {"glTexImage1D", (void **) &qglTexImage1D},
509 {"glTexImage2D", (void **) &qglTexImage2D},
510 {"glTexSubImage1D", (void **) &qglTexSubImage1D},
511 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
512 {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
513 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
514 {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
515 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
516 {"glScissor", (void **) &qglScissor},
517 {"glPolygonOffset", (void **) &qglPolygonOffset},
518 {"glPolygonMode", (void **) &qglPolygonMode},
519 {"glPolygonStipple", (void **) &qglPolygonStipple},
520 {"glClipPlane", (void **) &qglClipPlane},
521 {"glGetClipPlane", (void **) &qglGetClipPlane},
525 static dllfunction_t drawrangeelementsfuncs[] =
527 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
531 static dllfunction_t drawrangeelementsextfuncs[] =
533 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
537 static dllfunction_t multitexturefuncs[] =
539 {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f},
540 {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
541 {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
542 {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f},
543 {"glActiveTextureARB", (void **) &qglActiveTexture},
544 {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
548 static dllfunction_t compiledvertexarrayfuncs[] =
550 {"glLockArraysEXT", (void **) &qglLockArraysEXT},
551 {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
555 static dllfunction_t texture3dextfuncs[] =
557 {"glTexImage3DEXT", (void **) &qglTexImage3D},
558 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
559 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
563 static dllfunction_t atiseparatestencilfuncs[] =
565 {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
566 {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
570 static dllfunction_t gl2separatestencilfuncs[] =
572 {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
573 {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
577 static dllfunction_t stenciltwosidefuncs[] =
579 {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
583 static dllfunction_t blendequationfuncs[] =
585 {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
589 static dllfunction_t shaderobjectsfuncs[] =
591 {"glDeleteObjectARB", (void **) &qglDeleteObjectARB},
592 {"glGetHandleARB", (void **) &qglGetHandleARB},
593 {"glDetachObjectARB", (void **) &qglDetachObjectARB},
594 {"glCreateShaderObjectARB", (void **) &qglCreateShaderObjectARB},
595 {"glShaderSourceARB", (void **) &qglShaderSourceARB},
596 {"glCompileShaderARB", (void **) &qglCompileShaderARB},
597 {"glCreateProgramObjectARB", (void **) &qglCreateProgramObjectARB},
598 {"glAttachObjectARB", (void **) &qglAttachObjectARB},
599 {"glLinkProgramARB", (void **) &qglLinkProgramARB},
600 {"glUseProgramObjectARB", (void **) &qglUseProgramObjectARB},
601 {"glValidateProgramARB", (void **) &qglValidateProgramARB},
602 {"glUniform1fARB", (void **) &qglUniform1fARB},
603 {"glUniform2fARB", (void **) &qglUniform2fARB},
604 {"glUniform3fARB", (void **) &qglUniform3fARB},
605 {"glUniform4fARB", (void **) &qglUniform4fARB},
606 {"glUniform1iARB", (void **) &qglUniform1iARB},
607 {"glUniform2iARB", (void **) &qglUniform2iARB},
608 {"glUniform3iARB", (void **) &qglUniform3iARB},
609 {"glUniform4iARB", (void **) &qglUniform4iARB},
610 {"glUniform1fvARB", (void **) &qglUniform1fvARB},
611 {"glUniform2fvARB", (void **) &qglUniform2fvARB},
612 {"glUniform3fvARB", (void **) &qglUniform3fvARB},
613 {"glUniform4fvARB", (void **) &qglUniform4fvARB},
614 {"glUniform1ivARB", (void **) &qglUniform1ivARB},
615 {"glUniform2ivARB", (void **) &qglUniform2ivARB},
616 {"glUniform3ivARB", (void **) &qglUniform3ivARB},
617 {"glUniform4ivARB", (void **) &qglUniform4ivARB},
618 {"glUniformMatrix2fvARB", (void **) &qglUniformMatrix2fvARB},
619 {"glUniformMatrix3fvARB", (void **) &qglUniformMatrix3fvARB},
620 {"glUniformMatrix4fvARB", (void **) &qglUniformMatrix4fvARB},
621 {"glGetObjectParameterfvARB", (void **) &qglGetObjectParameterfvARB},
622 {"glGetObjectParameterivARB", (void **) &qglGetObjectParameterivARB},
623 {"glGetInfoLogARB", (void **) &qglGetInfoLogARB},
624 {"glGetAttachedObjectsARB", (void **) &qglGetAttachedObjectsARB},
625 {"glGetUniformLocationARB", (void **) &qglGetUniformLocationARB},
626 {"glGetActiveUniformARB", (void **) &qglGetActiveUniformARB},
627 {"glGetUniformfvARB", (void **) &qglGetUniformfvARB},
628 {"glGetUniformivARB", (void **) &qglGetUniformivARB},
629 {"glGetShaderSourceARB", (void **) &qglGetShaderSourceARB},
633 static dllfunction_t vertexshaderfuncs[] =
635 // {"glVertexAttrib1fARB", (void **) &qglVertexAttrib1fARB},
636 // {"glVertexAttrib1sARB", (void **) &qglVertexAttrib1sARB},
637 // {"glVertexAttrib1dARB", (void **) &qglVertexAttrib1dARB},
638 // {"glVertexAttrib2fARB", (void **) &qglVertexAttrib2fARB},
639 // {"glVertexAttrib2sARB", (void **) &qglVertexAttrib2sARB},
640 // {"glVertexAttrib2dARB", (void **) &qglVertexAttrib2dARB},
641 // {"glVertexAttrib3fARB", (void **) &qglVertexAttrib3fARB},
642 // {"glVertexAttrib3sARB", (void **) &qglVertexAttrib3sARB},
643 // {"glVertexAttrib3dARB", (void **) &qglVertexAttrib3dARB},
644 // {"glVertexAttrib4fARB", (void **) &qglVertexAttrib4fARB},
645 // {"glVertexAttrib4sARB", (void **) &qglVertexAttrib4sARB},
646 // {"glVertexAttrib4dARB", (void **) &qglVertexAttrib4dARB},
647 // {"glVertexAttrib4NubARB", (void **) &qglVertexAttrib4NubARB},
648 // {"glVertexAttrib1fvARB", (void **) &qglVertexAttrib1fvARB},
649 // {"glVertexAttrib1svARB", (void **) &qglVertexAttrib1svARB},
650 // {"glVertexAttrib1dvARB", (void **) &qglVertexAttrib1dvARB},
651 // {"glVertexAttrib2fvARB", (void **) &qglVertexAttrib1fvARB},
652 // {"glVertexAttrib2svARB", (void **) &qglVertexAttrib1svARB},
653 // {"glVertexAttrib2dvARB", (void **) &qglVertexAttrib1dvARB},
654 // {"glVertexAttrib3fvARB", (void **) &qglVertexAttrib1fvARB},
655 // {"glVertexAttrib3svARB", (void **) &qglVertexAttrib1svARB},
656 // {"glVertexAttrib3dvARB", (void **) &qglVertexAttrib1dvARB},
657 // {"glVertexAttrib4fvARB", (void **) &qglVertexAttrib1fvARB},
658 // {"glVertexAttrib4svARB", (void **) &qglVertexAttrib1svARB},
659 // {"glVertexAttrib4dvARB", (void **) &qglVertexAttrib1dvARB},
660 // {"glVertexAttrib4ivARB", (void **) &qglVertexAttrib1ivARB},
661 // {"glVertexAttrib4bvARB", (void **) &qglVertexAttrib1bvARB},
662 // {"glVertexAttrib4ubvARB", (void **) &qglVertexAttrib1ubvARB},
663 // {"glVertexAttrib4usvARB", (void **) &qglVertexAttrib1usvARB},
664 // {"glVertexAttrib4uivARB", (void **) &qglVertexAttrib1uivARB},
665 // {"glVertexAttrib4NbvARB", (void **) &qglVertexAttrib1NbvARB},
666 // {"glVertexAttrib4NsvARB", (void **) &qglVertexAttrib1NsvARB},
667 // {"glVertexAttrib4NivARB", (void **) &qglVertexAttrib1NivARB},
668 // {"glVertexAttrib4NubvARB", (void **) &qglVertexAttrib1NubvARB},
669 // {"glVertexAttrib4NusvARB", (void **) &qglVertexAttrib1NusvARB},
670 // {"glVertexAttrib4NuivARB", (void **) &qglVertexAttrib1NuivARB},
671 {"glVertexAttribPointerARB", (void **) &qglVertexAttribPointerARB},
672 {"glEnableVertexAttribArrayARB", (void **) &qglEnableVertexAttribArrayARB},
673 {"glDisableVertexAttribArrayARB", (void **) &qglDisableVertexAttribArrayARB},
674 {"glBindAttribLocationARB", (void **) &qglBindAttribLocationARB},
675 {"glGetActiveAttribARB", (void **) &qglGetActiveAttribARB},
676 {"glGetAttribLocationARB", (void **) &qglGetAttribLocationARB},
677 // {"glGetVertexAttribdvARB", (void **) &qglGetVertexAttribdvARB},
678 // {"glGetVertexAttribfvARB", (void **) &qglGetVertexAttribfvARB},
679 // {"glGetVertexAttribivARB", (void **) &qglGetVertexAttribivARB},
680 // {"glGetVertexAttribPointervARB", (void **) &qglGetVertexAttribPointervARB},
684 static dllfunction_t vbofuncs[] =
686 {"glBindBufferARB" , (void **) &qglBindBufferARB},
687 {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
688 {"glGenBuffersARB" , (void **) &qglGenBuffersARB},
689 {"glIsBufferARB" , (void **) &qglIsBufferARB},
690 {"glMapBufferARB" , (void **) &qglMapBufferARB},
691 {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB},
692 {"glBufferDataARB" , (void **) &qglBufferDataARB},
693 {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
697 static dllfunction_t texturecompressionfuncs[] =
699 {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB},
700 {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB},
701 {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB},
702 {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB},
703 {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB},
704 {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB},
705 {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB},
709 void VID_CheckExtensions(void)
711 gl_stencil = vid_bitsperpixel.integer == 32;
713 // reset all the gl extension variables here
714 // this should match the declarations
715 gl_max_texture_size = 0;
716 gl_max_3d_texture_size = 0;
717 gl_max_cube_map_texture_size = 0;
719 gl_combine_extension = false;
720 gl_supportslockarrays = false;
721 gl_texture3d = false;
722 gl_texturecubemap = false;
723 gl_support_arb_texture_non_power_of_two = false;
725 gl_support_clamptoedge = false;
726 gl_support_anisotropy = false;
727 gl_max_anisotropy = 1;
728 gl_support_separatestencil = false;
729 gl_support_stenciltwoside = false;
730 gl_support_ext_blend_minmax = false;
731 gl_support_ext_blend_subtract = false;
732 gl_support_shader_objects = false;
733 gl_support_shading_language_100 = false;
734 gl_support_vertex_shader = false;
735 gl_support_fragment_shader = false;
736 gl_support_arb_vertex_buffer_object = false;
737 gl_support_texture_compression = false;
739 if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
740 Sys_Error("OpenGL 1.1.0 functions not found");
743 qglGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_max_texture_size);
745 Con_DPrint("Checking OpenGL extensions...\n");
747 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
748 if (!GL_CheckExtension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true))
749 GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
751 // COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
752 if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
754 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
755 // COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
756 gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
757 // COMMANDLINEOPTION: GL: -nodot3 disables GL_ARB_texture_env_dot3 (required for bumpmapping)
758 if (gl_combine_extension)
759 gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false);
762 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
763 if ((gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false)))
765 qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, &gl_max_3d_texture_size);
766 if (gl_max_3d_texture_size < 32)
768 gl_texture3d = false;
769 Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
772 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
773 if ((gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false)))
774 qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, &gl_max_cube_map_texture_size);
775 // TODO: blacklist this extension on Radeon X1600-X1950 hardware (they support it only with certain filtering/repeat modes)
776 // 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)
777 gl_support_arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
778 // 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)
779 gl_support_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false);
780 // COMMANDLINEOPTION: GL: -nocva disables GL_EXT_compiled_vertex_array (renders faster)
781 gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
782 // 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)
783 gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
785 // COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
786 if ((gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false)))
787 qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy);
789 gl_support_ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
790 gl_support_ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
792 // COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering)
793 if (!(gl_support_separatestencil = GL_CheckExtension("glStencilOpSeparate", gl2separatestencilfuncs, "-noseparatestencil", true)))
794 gl_support_separatestencil = GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
795 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
796 gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
798 // COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
799 gl_support_arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
801 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
802 if (qglDrawRangeElements == NULL)
803 qglDrawRangeElements = qglDrawRangeElementsEXT;
805 // COMMANDLINEOPTION: GL: -noshaderobjects disables GL_ARB_shader_objects (required for vertex shader and fragment shader)
806 // COMMANDLINEOPTION: GL: -noshadinglanguage100 disables GL_ARB_shading_language_100 (required for vertex shader and fragment shader)
807 // COMMANDLINEOPTION: GL: -novertexshader disables GL_ARB_vertex_shader (allows vertex shader effects)
808 // COMMANDLINEOPTION: GL: -nofragmentshader disables GL_ARB_fragment_shader (allows pixel shader effects, can improve per pixel lighting performance and capabilities)
809 if ((gl_support_shader_objects = GL_CheckExtension("GL_ARB_shader_objects", shaderobjectsfuncs, "-noshaderobjects", false)))
810 if ((gl_support_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false)))
811 if ((gl_support_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false)))
812 gl_support_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false);
816 void Force_CenterView_f (void)
818 cl.viewangles[PITCH] = 0;
821 static int gamma_forcenextframe = false;
822 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
823 static int cachecolorenable, cachehwgamma;
825 unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
826 qboolean vid_gammatables_trivial = true;
827 void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
829 if (cachecolorenable)
831 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
832 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
833 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
837 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
838 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
839 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
842 // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
843 // immensely butchered it to work with variable framerates and fit in with
844 // the rest of darkplaces.
845 if (v_psycho.integer)
849 static float n[3], nd[3], nt[3];
850 static int init = true;
851 unsigned short *ramp;
852 gamma_forcenextframe = true;
856 for (x = 0;x < 3;x++)
858 n[x] = lhrandom(0, 1);
859 nd[x] = (rand()&1)?-0.25:0.25;
860 nt[x] = lhrandom(1, 8.2);
864 for (x = 0;x < 3;x++)
866 nt[x] -= cl.realframetime;
870 nt[x] += lhrandom(1, 8.2);
872 n[x] += nd[x] * cl.realframetime;
876 for (x = 0, ramp = ramps;x < 3;x++)
877 for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize))
878 *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
882 void VID_UpdateGamma(qboolean force, int rampsize)
887 qboolean gamma_changed = false;
889 // LordHavoc: don't mess with gamma tables if running dedicated
890 if (cls.state == ca_dedicated)
893 wantgamma = v_hwgamma.integer;
894 if(r_glsl.integer && v_glslgamma.integer)
896 if(!vid_activewindow)
898 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
899 BOUNDCVAR(v_gamma, 0.1, 5);
900 BOUNDCVAR(v_contrast, 1, 5);
901 BOUNDCVAR(v_brightness, 0, 0.8);
902 BOUNDCVAR(v_contrastboost, 0.0625, 16);
903 BOUNDCVAR(v_color_black_r, 0, 0.8);
904 BOUNDCVAR(v_color_black_g, 0, 0.8);
905 BOUNDCVAR(v_color_black_b, 0, 0.8);
906 BOUNDCVAR(v_color_grey_r, 0, 0.95);
907 BOUNDCVAR(v_color_grey_g, 0, 0.95);
908 BOUNDCVAR(v_color_grey_b, 0, 0.95);
909 BOUNDCVAR(v_color_white_r, 1, 5);
910 BOUNDCVAR(v_color_white_g, 1, 5);
911 BOUNDCVAR(v_color_white_b, 1, 5);
914 // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
915 vid_gammatables_trivial = false;
916 if(v_psycho.integer == 0)
917 if(v_contrastboost.value == 1)
919 if(v_color_enable.integer)
921 if(v_color_black_r.value == 0)
922 if(v_color_black_g.value == 0)
923 if(v_color_black_b.value == 0)
924 if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
925 if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
926 if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
927 if(v_color_white_r.value == 1)
928 if(v_color_white_g.value == 1)
929 if(v_color_white_b.value == 1)
930 vid_gammatables_trivial = true;
934 if(v_gamma.value == 1)
935 if(v_contrast.value == 1)
936 if(v_brightness.value == 0)
937 vid_gammatables_trivial = true;
941 #define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
943 gamma_changed = true;
944 GAMMACHECK(cachegamma , v_gamma.value);
945 GAMMACHECK(cachecontrast , v_contrast.value);
946 GAMMACHECK(cachebrightness , v_brightness.value);
947 GAMMACHECK(cachecontrastboost, v_contrastboost.value);
948 GAMMACHECK(cachecolorenable, v_color_enable.integer);
949 GAMMACHECK(cacheblack[0] , v_color_black_r.value);
950 GAMMACHECK(cacheblack[1] , v_color_black_g.value);
951 GAMMACHECK(cacheblack[2] , v_color_black_b.value);
952 GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
953 GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
954 GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
955 GAMMACHECK(cachewhite[0] , v_color_white_r.value);
956 GAMMACHECK(cachewhite[1] , v_color_white_g.value);
957 GAMMACHECK(cachewhite[2] , v_color_white_b.value);
960 ++vid_gammatables_serial;
962 GAMMACHECK(cachehwgamma , wantgamma);
965 if (!force && !gamma_forcenextframe && !gamma_changed)
968 gamma_forcenextframe = false;
972 if (!vid_usinghwgamma)
974 vid_usinghwgamma = true;
975 if (vid_gammarampsize != rampsize || !vid_gammaramps)
977 vid_gammarampsize = rampsize;
979 Z_Free(vid_gammaramps);
980 vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short));
981 vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize;
983 VID_GetGamma(vid_systemgammaramps, vid_gammarampsize);
986 VID_BuildGammaTables(vid_gammaramps, vid_gammarampsize);
988 // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value)
989 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2);
990 // if custom gamma ramps failed (Windows stupidity), restore to system gamma
991 if(!vid_hardwaregammasupported.integer)
993 if (vid_usinghwgamma)
995 vid_usinghwgamma = false;
996 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1002 if (vid_usinghwgamma)
1004 vid_usinghwgamma = false;
1005 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1010 void VID_RestoreSystemGamma(void)
1012 if (vid_usinghwgamma)
1014 vid_usinghwgamma = false;
1015 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
1016 // force gamma situation to be reexamined next frame
1017 gamma_forcenextframe = true;
1021 void VID_Shared_Init(void)
1023 Cvar_RegisterVariable(&vid_hardwaregammasupported);
1024 Cvar_RegisterVariable(&v_gamma);
1025 Cvar_RegisterVariable(&v_brightness);
1026 Cvar_RegisterVariable(&v_contrastboost);
1027 Cvar_RegisterVariable(&v_contrast);
1029 Cvar_RegisterVariable(&v_color_enable);
1030 Cvar_RegisterVariable(&v_color_black_r);
1031 Cvar_RegisterVariable(&v_color_black_g);
1032 Cvar_RegisterVariable(&v_color_black_b);
1033 Cvar_RegisterVariable(&v_color_grey_r);
1034 Cvar_RegisterVariable(&v_color_grey_g);
1035 Cvar_RegisterVariable(&v_color_grey_b);
1036 Cvar_RegisterVariable(&v_color_white_r);
1037 Cvar_RegisterVariable(&v_color_white_g);
1038 Cvar_RegisterVariable(&v_color_white_b);
1040 Cvar_RegisterVariable(&v_hwgamma);
1041 Cvar_RegisterVariable(&v_glslgamma);
1043 Cvar_RegisterVariable(&v_psycho);
1045 Cvar_RegisterVariable(&vid_fullscreen);
1046 Cvar_RegisterVariable(&vid_width);
1047 Cvar_RegisterVariable(&vid_height);
1048 Cvar_RegisterVariable(&vid_bitsperpixel);
1049 Cvar_RegisterVariable(&vid_samples);
1050 Cvar_RegisterVariable(&vid_refreshrate);
1051 Cvar_RegisterVariable(&vid_userefreshrate);
1052 Cvar_RegisterVariable(&vid_stereobuffer);
1053 Cvar_RegisterVariable(&vid_vsync);
1054 Cvar_RegisterVariable(&vid_mouse);
1055 Cvar_RegisterVariable(&vid_grabkeyboard);
1056 Cvar_RegisterVariable(&vid_stick_mouse);
1057 Cvar_RegisterVariable(&vid_resizable);
1058 Cvar_RegisterVariable(&vid_minwidth);
1059 Cvar_RegisterVariable(&vid_minheight);
1060 Cvar_RegisterVariable(&gl_combine);
1061 Cvar_RegisterVariable(&gl_finish);
1062 Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)");
1063 Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)");
1064 if (gamemode == GAME_GOODVSBAD2)
1065 Cvar_Set("gl_combine", "0");
1068 int VID_Mode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer, int samples)
1070 cl_ignoremousemoves = 2;
1071 Con_Printf("Initialized Video Mode: %s %dx%dx%dx%dhz%s%s\n", fullscreen ? "fullscreen" : "window", width, height, bpp, refreshrate, stereobuffer ? " stereo" : "", samples > 1 ? va(" (%ix AA)", samples) : "");
1072 if (VID_InitMode(fullscreen, width, height, bpp, vid_userefreshrate.integer ? max(1, refreshrate) : 0, stereobuffer, samples))
1074 vid.fullscreen = fullscreen;
1076 vid.height = height;
1077 vid.bitsperpixel = bpp;
1078 vid.samples = samples;
1079 vid.refreshrate = refreshrate;
1080 vid.stereobuffer = stereobuffer;
1081 vid.userefreshrate = vid_userefreshrate.integer;
1082 Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
1083 Cvar_SetValueQuick(&vid_width, width);
1084 Cvar_SetValueQuick(&vid_height, height);
1085 Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
1086 Cvar_SetValueQuick(&vid_samples, samples);
1087 if(vid_userefreshrate.integer)
1088 Cvar_SetValueQuick(&vid_refreshrate, refreshrate);
1089 Cvar_SetValueQuick(&vid_stereobuffer, stereobuffer);
1096 static void VID_OpenSystems(void)
1102 static void VID_CloseSystems(void)
1105 R_Modules_Shutdown();
1108 qboolean vid_commandlinecheck = true;
1110 void VID_Restart_f(void)
1112 // don't crash if video hasn't started yet
1113 if (vid_commandlinecheck)
1116 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
1117 vid.fullscreen ? "fullscreen" : "window", vid.width, vid.height, vid.bitsperpixel, vid.fullscreen && vid_userefreshrate.integer ? va("x%ihz", vid.refreshrate) : "", vid.samples > 1 ? va(" (%ix AA)", vid.samples) : "",
1118 vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_fullscreen.integer && vid_userefreshrate.integer ? va("x%ihz", vid_refreshrate.integer) : "", vid_samples.integer > 1 ? va(" (%ix AA)", vid_samples.integer) : "");
1121 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer))
1123 Con_Print("Video mode change failed\n");
1124 if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel, vid.refreshrate, vid.stereobuffer, vid.samples))
1125 Sys_Error("Unable to restore to last working video mode");
1130 const char *vidfallbacks[][2] =
1132 {"vid_stereobuffer", "0"},
1133 {"vid_samples", "1"},
1134 {"vid_userefreshrate", "0"},
1135 {"vid_width", "640"},
1136 {"vid_height", "480"},
1137 {"vid_bitsperpixel", "16"},
1141 // this is only called once by Host_StartVideo
1142 void VID_Start(void)
1144 int i, width, height, success;
1145 if (vid_commandlinecheck)
1147 // interpret command-line parameters
1148 vid_commandlinecheck = false;
1149 // COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
1150 if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
1151 Cvar_SetValueQuick(&vid_fullscreen, false);
1152 // COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
1153 if (COM_CheckParm("-fullscreen"))
1154 Cvar_SetValueQuick(&vid_fullscreen, true);
1157 // 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)
1158 if ((i = COM_CheckParm("-width")) != 0)
1159 width = atoi(com_argv[i+1]);
1160 // 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)
1161 if ((i = COM_CheckParm("-height")) != 0)
1162 height = atoi(com_argv[i+1]);
1164 width = height * 4 / 3;
1166 height = width * 3 / 4;
1168 Cvar_SetValueQuick(&vid_width, width);
1170 Cvar_SetValueQuick(&vid_height, height);
1171 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
1172 if ((i = COM_CheckParm("-bpp")) != 0)
1173 Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
1176 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer);
1179 Con_Print("Desired video mode fail, trying fallbacks...\n");
1180 for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
1182 Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
1183 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer);
1186 Sys_Error("Video modes failed");