7 // LordHavoc: these are only set in wgl
8 qboolean isG200 = false; // LordHavoc: the Matrox G200 can't do per pixel alpha, and it uses a D3D driver for GL... ugh...
9 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.
11 // AK FIXME -> input_dest
12 qboolean in_client_mouse = true;
14 // AK where should it be placed ?
15 float in_mouse_x, in_mouse_y;
17 // GL_ARB_multitexture
18 int gl_textureunits = 0;
19 // GL_ARB_texture_env_combine or GL_EXT_texture_env_combine
20 int gl_combine_extension = false;
21 // GL_EXT_compiled_vertex_array
22 int gl_supportslockarrays = false;
23 // GLX_SGI_video_sync or WGL_EXT_swap_control
24 int gl_videosyncavailable = false;
26 int gl_stencil = false;
27 // 3D textures available
28 int gl_texture3d = false;
29 // GL_ARB_texture_cubemap
30 int gl_texturecubemap = false;
31 // GL_ARB_texture_env_dot3
32 int gl_dot3arb = false;
33 // GL_SGIS_texture_edge_clamp
34 int gl_support_clamptoedge = false;
35 // GL_NV_vertex_array_range
36 int gl_support_var = false;
37 // GL_NV_vertex_array_range2
38 int gl_support_var2 = false;
39 // GL_EXT_texture_filter_anisotropic
40 int gl_support_anisotropy = false;
41 // GL_NV_texture_shader
42 int gl_textureshader = false;
44 // LordHavoc: if window is hidden, don't update screen
45 int vid_hidden = true;
46 // LordHavoc: if window is not the active window, don't hog as much CPU time,
47 // let go of the mouse, turn off sound, and restore system gamma ramps...
48 int vid_activewindow = true;
49 // LordHavoc: whether to allow use of hwgamma (disabled when window is inactive)
50 int vid_allowhwgamma = false;
52 // we don't know until we try it!
53 int vid_hardwaregammasupported = true;
54 // whether hardware gamma ramps are currently in effect
55 int vid_usinghwgamma = false;
57 unsigned short vid_gammaramps[768];
58 unsigned short vid_systemgammaramps[768];
60 cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1"};
61 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640"};
62 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480"};
63 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32"};
65 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
66 cvar_t gl_combine = {CVAR_SAVE, "gl_combine", "1"};
68 cvar_t in_pitch_min = {0, "in_pitch_min", "-70"};
69 cvar_t in_pitch_max = {0, "in_pitch_max", "80"};
71 cvar_t m_filter = {CVAR_SAVE, "m_filter","0"};
73 cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1"};
74 cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1"};
75 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0"};
76 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0"};
77 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0"};
78 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0"};
79 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0"};
80 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5"};
81 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5"};
82 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5"};
83 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1"};
84 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1"};
85 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1"};
86 cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1"};
88 // brand of graphics chip
89 const char *gl_vendor;
90 // graphics chip model and other information
91 const char *gl_renderer;
92 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
93 const char *gl_version;
94 // extensions list, space separated
95 const char *gl_extensions;
97 const char *gl_platform;
98 // another extensions list, containing platform-specific extensions that are
99 // not in the main list
100 const char *gl_platformextensions;
101 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
104 // GL_ARB_multitexture
105 void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
106 void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
107 void (GLAPIENTRY *qglActiveTexture) (GLenum);
108 void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
110 // GL_EXT_compiled_vertex_array
111 void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
112 void (GLAPIENTRY *qglUnlockArraysEXT) (void);
114 //GL_NV_vertex_array_range
115 GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority);
116 GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer);
117 GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer);
118 GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid);
120 // general GL functions
122 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
124 void (GLAPIENTRY *qglClear)(GLbitfield mask);
126 //void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
127 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
128 void (GLAPIENTRY *qglCullFace)(GLenum mode);
130 //void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
131 //void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
132 void (GLAPIENTRY *qglEnable)(GLenum cap);
133 void (GLAPIENTRY *qglDisable)(GLenum cap);
134 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
136 void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
137 void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
139 //void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
140 //void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
141 //void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
142 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
144 GLenum (GLAPIENTRY *qglGetError)(void);
145 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
146 void (GLAPIENTRY *qglFinish)(void);
147 void (GLAPIENTRY *qglFlush)(void);
149 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
150 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
151 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
152 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
153 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
155 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
156 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
157 void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
158 void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
159 void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
160 void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
161 void (GLAPIENTRY *qglArrayElement)(GLint i);
163 void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
164 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
165 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
166 void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
167 void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
168 void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
169 void (GLAPIENTRY *qglBegin)(GLenum mode);
170 void (GLAPIENTRY *qglEnd)(void);
172 void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
173 void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
174 void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
175 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
176 //void (GLAPIENTRY *qglPushMatrix)(void);
177 //void (GLAPIENTRY *qglPopMatrix)(void);
178 void (GLAPIENTRY *qglLoadIdentity)(void);
179 //void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
180 void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
181 //void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
182 //void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
183 //void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
184 //void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
185 //void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
186 //void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
187 //void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
188 //void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
190 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
192 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
193 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
194 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
195 void (GLAPIENTRY *qglClearStencil)(GLint s);
197 //void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
198 void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
199 void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
200 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
201 //void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
202 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
204 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
205 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
206 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
207 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
208 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
209 GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
210 //void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
211 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
213 void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
214 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
215 void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
216 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
217 void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
218 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
219 void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
220 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
223 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
225 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
227 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
228 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);
229 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
231 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
233 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
235 int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent)
238 const dllfunction_t *func;
240 Con_DPrintf("checking for %s... ", name);
242 for (func = funcs;func && func->name;func++)
243 *func->funcvariable = NULL;
245 if (disableparm && COM_CheckParm(disableparm))
247 Con_DPrintf("disabled by commandline\n");
251 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)))
253 for (func = funcs;func && func->name != NULL;func++)
255 // functions are cleared before all the extensions are evaluated
256 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
259 Con_Printf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name);
263 // delay the return so it prints all missing functions
266 Con_DPrintf("enabled\n");
271 Con_DPrintf("not detected\n");
276 static dllfunction_t opengl110funcs[] =
278 {"glClearColor", (void **) &qglClearColor},
279 {"glClear", (void **) &qglClear},
280 // {"glAlphaFunc", (void **) &qglAlphaFunc},
281 {"glBlendFunc", (void **) &qglBlendFunc},
282 {"glCullFace", (void **) &qglCullFace},
283 // {"glDrawBuffer", (void **) &qglDrawBuffer},
284 // {"glReadBuffer", (void **) &qglReadBuffer},
285 {"glEnable", (void **) &qglEnable},
286 {"glDisable", (void **) &qglDisable},
287 {"glIsEnabled", (void **) &qglIsEnabled},
288 {"glEnableClientState", (void **) &qglEnableClientState},
289 {"glDisableClientState", (void **) &qglDisableClientState},
290 // {"glGetBooleanv", (void **) &qglGetBooleanv},
291 // {"glGetDoublev", (void **) &qglGetDoublev},
292 // {"glGetFloatv", (void **) &qglGetFloatv},
293 {"glGetIntegerv", (void **) &qglGetIntegerv},
294 {"glGetError", (void **) &qglGetError},
295 {"glGetString", (void **) &qglGetString},
296 {"glFinish", (void **) &qglFinish},
297 {"glFlush", (void **) &qglFlush},
298 {"glClearDepth", (void **) &qglClearDepth},
299 {"glDepthFunc", (void **) &qglDepthFunc},
300 {"glDepthMask", (void **) &qglDepthMask},
301 {"glDepthRange", (void **) &qglDepthRange},
302 {"glDrawElements", (void **) &qglDrawElements},
303 {"glColorMask", (void **) &qglColorMask},
304 {"glVertexPointer", (void **) &qglVertexPointer},
305 {"glNormalPointer", (void **) &qglNormalPointer},
306 {"glColorPointer", (void **) &qglColorPointer},
307 {"glTexCoordPointer", (void **) &qglTexCoordPointer},
308 {"glArrayElement", (void **) &qglArrayElement},
309 {"glColor4f", (void **) &qglColor4f},
310 {"glTexCoord2f", (void **) &qglTexCoord2f},
311 {"glTexCoord3f", (void **) &qglTexCoord3f},
312 {"glVertex2f", (void **) &qglVertex2f},
313 {"glVertex3f", (void **) &qglVertex3f},
314 {"glBegin", (void **) &qglBegin},
315 {"glEnd", (void **) &qglEnd},
316 {"glMatrixMode", (void **) &qglMatrixMode},
317 {"glOrtho", (void **) &qglOrtho},
318 {"glFrustum", (void **) &qglFrustum},
319 {"glViewport", (void **) &qglViewport},
320 // {"glPushMatrix", (void **) &qglPushMatrix},
321 // {"glPopMatrix", (void **) &qglPopMatrix},
322 {"glLoadIdentity", (void **) &qglLoadIdentity},
323 // {"glLoadMatrixd", (void **) &qglLoadMatrixd},
324 {"glLoadMatrixf", (void **) &qglLoadMatrixf},
325 // {"glMultMatrixd", (void **) &qglMultMatrixd},
326 // {"glMultMatrixf", (void **) &qglMultMatrixf},
327 // {"glRotated", (void **) &qglRotated},
328 // {"glRotatef", (void **) &qglRotatef},
329 // {"glScaled", (void **) &qglScaled},
330 // {"glScalef", (void **) &qglScalef},
331 // {"glTranslated", (void **) &qglTranslated},
332 // {"glTranslatef", (void **) &qglTranslatef},
333 {"glReadPixels", (void **) &qglReadPixels},
334 {"glStencilFunc", (void **) &qglStencilFunc},
335 {"glStencilMask", (void **) &qglStencilMask},
336 {"glStencilOp", (void **) &qglStencilOp},
337 {"glClearStencil", (void **) &qglClearStencil},
338 // {"glTexEnvf", (void **) &qglTexEnvf},
339 {"glTexEnvfv", (void **) &qglTexEnvfv},
340 {"glTexEnvi", (void **) &qglTexEnvi},
341 {"glTexParameterf", (void **) &qglTexParameterf},
342 // {"glTexParameterfv", (void **) &qglTexParameterfv},
343 {"glTexParameteri", (void **) &qglTexParameteri},
344 // {"glPixelStoref", (void **) &qglPixelStoref},
345 {"glPixelStorei", (void **) &qglPixelStorei},
346 {"glGenTextures", (void **) &qglGenTextures},
347 {"glDeleteTextures", (void **) &qglDeleteTextures},
348 {"glBindTexture", (void **) &qglBindTexture},
349 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
350 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
351 {"glIsTexture", (void **) &qglIsTexture},
352 {"glTexImage1D", (void **) &qglTexImage1D},
353 {"glTexImage2D", (void **) &qglTexImage2D},
354 {"glTexSubImage1D", (void **) &qglTexSubImage1D},
355 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
356 {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
357 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
358 {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
359 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
360 {"glScissor", (void **) &qglScissor},
361 {"glPolygonOffset", (void **) &qglPolygonOffset},
365 static dllfunction_t drawrangeelementsfuncs[] =
367 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
371 static dllfunction_t drawrangeelementsextfuncs[] =
373 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
377 static dllfunction_t multitexturefuncs[] =
379 {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
380 {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
381 {"glActiveTextureARB", (void **) &qglActiveTexture},
382 {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
386 static dllfunction_t compiledvertexarrayfuncs[] =
388 {"glLockArraysEXT", (void **) &qglLockArraysEXT},
389 {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
393 static dllfunction_t texture3dextfuncs[] =
395 {"glTexImage3DEXT", (void **) &qglTexImage3D},
396 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
397 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
401 static dllfunction_t glxvarfuncs[] =
403 {"glXAllocateMemoryNV", (void **) &qglAllocateMemoryNV},
404 {"glXFreeMemoryNV", (void **) &qglFreeMemoryNV},
405 {"glVertexArrayRangeNV", (void **) &qglVertexArrayRangeNV},
406 {"glFlushVertexArrayRangeNV", (void **) &qglFlushVertexArrayRangeNV},
410 static dllfunction_t wglvarfuncs[] =
412 {"wglAllocateMemoryNV", (void **) &qglAllocateMemoryNV},
413 {"wglFreeMemoryNV", (void **) &qglFreeMemoryNV},
414 {"glVertexArrayRangeNV", (void **) &qglVertexArrayRangeNV},
415 {"glFlushVertexArrayRangeNV", (void **) &qglFlushVertexArrayRangeNV},
420 void VID_CheckExtensions(void)
422 gl_stencil = vid_bitsperpixel.integer == 32;
423 gl_combine_extension = false;
425 gl_supportslockarrays = false;
427 gl_support_clamptoedge = false;
428 gl_support_var = false;
429 gl_support_var2 = false;
431 if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
432 Sys_Error("OpenGL 1.1.0 functions not found\n");
434 Con_DPrintf ("GL_VENDOR: %s\n", gl_vendor);
435 Con_DPrintf ("GL_RENDERER: %s\n", gl_renderer);
436 Con_DPrintf ("GL_VERSION: %s\n", gl_version);
437 Con_DPrintf ("GL_EXTENSIONS: %s\n", gl_extensions);
438 Con_DPrintf ("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
440 Con_DPrintf("Checking OpenGL extensions...\n");
442 if (!GL_CheckExtension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true))
443 GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
445 if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
447 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
448 gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
449 if (gl_combine_extension)
450 gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false);
453 gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
454 gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
455 gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
456 gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
458 if (!strcmp(gl_platform, "GLX"))
459 gl_support_var = GL_CheckExtension("GL_NV_vertex_array_range", glxvarfuncs, "-novar", false);
460 else if (!strcmp(gl_platform, "WGL"))
461 gl_support_var = GL_CheckExtension("GL_NV_vertex_array_range", wglvarfuncs, "-novar", false);
463 gl_support_var2 = GL_CheckExtension("GL_NV_vertex_array_range2", NULL, "-novar2", false);
465 gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false);
467 gl_textureshader = GL_CheckExtension("GL_NV_texture_shader", NULL, "-notextureshader", false);
469 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
470 if (qglDrawRangeElements == NULL)
471 qglDrawRangeElements = qglDrawRangeElementsEXT;
474 int vid_vertexarrays_are_var = false;
475 void *VID_AllocVertexArrays(mempool_t *pool, int size, int fast, float readfrequency, float writefrequency, float priority)
478 vid_vertexarrays_are_var = false;
479 if (fast && qglAllocateMemoryNV)
482 m = qglAllocateMemoryNV(size, readfrequency, writefrequency, priority);
486 vid_vertexarrays_are_var = true;
490 return Mem_Alloc(pool, size);
493 void VID_FreeVertexArrays(void *pointer)
495 if (vid_vertexarrays_are_var)
498 qglFreeMemoryNV(pointer);
503 vid_vertexarrays_are_var = false;
506 void Force_CenterView_f (void)
508 cl.viewangles[PITCH] = 0;
511 void IN_PreMove(void)
515 void CL_AdjustAngles(void);
516 void IN_PostMove(void)
518 // clamp after the move as well to prevent messed up rendering angles
527 void IN_ProcessMove(usercmd_t *cmd)
529 // get basic movement from keyboard
532 // OS independent code
535 // allow mice or other external controllers to add to the move
538 // OS independent code
543 void IN_Mouse(usercmd_t *cmd, float mx, float my)
545 int mouselook = (in_mlook.state & 1) || freelook.integer;
546 float mouse_x, mouse_y;
547 static float old_mouse_x = 0, old_mouse_y = 0;
549 if (m_filter.integer)
551 mouse_x = (mx + old_mouse_x) * 0.5;
552 mouse_y = (my + old_mouse_y) * 0.5;
563 in_mouse_x = mouse_x;
564 in_mouse_y = mouse_y;
566 // AK: eveything else is client stuff
567 // BTW, this should be seperated somewhen
571 // LordHavoc: viewzoom affects mouse sensitivity for sniping
572 mouse_x *= sensitivity.value * cl.viewzoom;
573 mouse_y *= sensitivity.value * cl.viewzoom;
575 // Add mouse X/Y movement to cmd
576 if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
577 cmd->sidemove += m_side.value * mouse_x;
579 cl.viewangles[YAW] -= m_yaw.value * mouse_x;
584 if (mouselook && !(in_strafe.state & 1))
585 cl.viewangles[PITCH] += m_pitch.value * mouse_y;
588 if ((in_strafe.state & 1) && noclip_anglehack)
589 cmd->upmove -= m_forward.value * mouse_y;
591 cmd->forwardmove -= m_forward.value * mouse_y;
595 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3];
596 static int cachecolorenable, cachehwgamma;
597 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
598 void VID_UpdateGamma(qboolean force)
603 // LordHavoc: don't mess with gamma tables if running dedicated
604 if (cls.state == ca_dedicated)
608 && vid_usinghwgamma == (vid_allowhwgamma && v_hwgamma.integer)
609 && v_gamma.value == cachegamma
610 && v_contrast.value == cachecontrast
611 && v_brightness.value == cachebrightness
612 && cachecolorenable == v_color_enable.integer
613 && cacheblack[0] == v_color_black_r.value
614 && cacheblack[1] == v_color_black_g.value
615 && cacheblack[2] == v_color_black_b.value
616 && cachegrey[0] == v_color_grey_r.value
617 && cachegrey[1] == v_color_grey_g.value
618 && cachegrey[2] == v_color_grey_b.value
619 && cachewhite[0] == v_color_white_r.value
620 && cachewhite[1] == v_color_white_g.value
621 && cachewhite[2] == v_color_white_b.value)
624 if (vid_allowhwgamma && v_hwgamma.integer)
626 if (!vid_usinghwgamma)
628 vid_usinghwgamma = true;
629 vid_hardwaregammasupported = VID_GetGamma(vid_systemgammaramps);
632 BOUNDCVAR(v_gamma, 0.1, 5);cachegamma = v_gamma.value;
633 BOUNDCVAR(v_contrast, 1, 5);cachecontrast = v_contrast.value;
634 BOUNDCVAR(v_brightness, 0, 0.8);cachebrightness = v_brightness.value;
635 BOUNDCVAR(v_color_black_r, 0, 0.8);cacheblack[0] = v_color_black_r.value;
636 BOUNDCVAR(v_color_black_g, 0, 0.8);cacheblack[1] = v_color_black_g.value;
637 BOUNDCVAR(v_color_black_b, 0, 0.8);cacheblack[2] = v_color_black_b.value;
638 BOUNDCVAR(v_color_grey_r, 0, 0.95);cachegrey[0] = v_color_grey_r.value;
639 BOUNDCVAR(v_color_grey_g, 0, 0.95);cachegrey[1] = v_color_grey_g.value;
640 BOUNDCVAR(v_color_grey_b, 0, 0.95);cachegrey[2] = v_color_grey_b.value;
641 BOUNDCVAR(v_color_white_r, 1, 5);cachewhite[0] = v_color_white_r.value;
642 BOUNDCVAR(v_color_white_g, 1, 5);cachewhite[1] = v_color_white_g.value;
643 BOUNDCVAR(v_color_white_b, 1, 5);cachewhite[2] = v_color_white_b.value;
644 cachecolorenable = v_color_enable.integer;
645 cachehwgamma = v_hwgamma.integer;
647 if (cachecolorenable)
649 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], vid_gammaramps);
650 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], vid_gammaramps + 256);
651 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], vid_gammaramps + 512);
655 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps);
656 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 256);
657 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 512);
660 vid_hardwaregammasupported = VID_SetGamma(vid_gammaramps);
664 if (vid_usinghwgamma)
666 vid_usinghwgamma = false;
667 vid_hardwaregammasupported = VID_SetGamma(vid_systemgammaramps);
672 void VID_RestoreSystemGamma(void)
674 if (vid_usinghwgamma)
676 vid_usinghwgamma = false;
677 VID_SetGamma(vid_systemgammaramps);
681 void VID_Shared_Init(void)
683 Cvar_RegisterVariable(&v_gamma);
684 Cvar_RegisterVariable(&v_brightness);
685 Cvar_RegisterVariable(&v_contrast);
687 Cvar_RegisterVariable(&v_color_enable);
688 Cvar_RegisterVariable(&v_color_black_r);
689 Cvar_RegisterVariable(&v_color_black_g);
690 Cvar_RegisterVariable(&v_color_black_b);
691 Cvar_RegisterVariable(&v_color_grey_r);
692 Cvar_RegisterVariable(&v_color_grey_g);
693 Cvar_RegisterVariable(&v_color_grey_b);
694 Cvar_RegisterVariable(&v_color_white_r);
695 Cvar_RegisterVariable(&v_color_white_g);
696 Cvar_RegisterVariable(&v_color_white_b);
698 Cvar_RegisterVariable(&v_hwgamma);
700 Cvar_RegisterVariable(&vid_fullscreen);
701 Cvar_RegisterVariable(&vid_width);
702 Cvar_RegisterVariable(&vid_height);
703 Cvar_RegisterVariable(&vid_bitsperpixel);
704 Cvar_RegisterVariable(&vid_mouse);
705 Cvar_RegisterVariable(&gl_combine);
706 Cvar_RegisterVariable(&in_pitch_min);
707 Cvar_RegisterVariable(&in_pitch_max);
708 Cvar_RegisterVariable(&m_filter);
709 Cmd_AddCommand("force_centerview", Force_CenterView_f);
710 Cmd_AddCommand("vid_restart", VID_Restart_f);
711 if (gamemode == GAME_GOODVSBAD2)
712 Cvar_Set("gl_combine", "0");
715 int current_vid_fullscreen;
716 int current_vid_width;
717 int current_vid_height;
718 int current_vid_bitsperpixel;
719 extern int VID_InitMode (int fullscreen, int width, int height, int bpp);
720 int VID_Mode(int fullscreen, int width, int height, int bpp)
722 Con_Printf("Video: %s %dx%dx%d\n", fullscreen ? "fullscreen" : "window", width, height, bpp);
723 if (VID_InitMode(fullscreen, width, height, bpp))
725 current_vid_fullscreen = fullscreen;
726 current_vid_width = width;
727 current_vid_height = height;
728 current_vid_bitsperpixel = bpp;
729 Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
730 Cvar_SetValueQuick(&vid_width, width);
731 Cvar_SetValueQuick(&vid_height, height);
732 Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
739 static void VID_OpenSystems(void)
746 static void VID_CloseSystems(void)
750 R_Modules_Shutdown();
753 void VID_Restart_f(void)
755 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp, to %s %dx%dx%dbpp.\n",
756 current_vid_fullscreen ? "fullscreen" : "window", current_vid_width, current_vid_height, current_vid_bitsperpixel,
757 vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer);
759 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer))
761 Con_Printf("Video mode change failed\n");
762 if (!VID_Mode(current_vid_fullscreen, current_vid_width, current_vid_height, current_vid_bitsperpixel))
763 Sys_Error("Unable to restore to last working video mode\n");
768 int vid_commandlinecheck = true;
771 int i, width, height;
772 if (vid_commandlinecheck)
774 // interpret command-line parameters
775 vid_commandlinecheck = false;
776 if ((i = COM_CheckParm("-window")) != 0)
777 Cvar_SetValueQuick(&vid_fullscreen, false);
778 if ((i = COM_CheckParm("-fullscreen")) != 0)
779 Cvar_SetValueQuick(&vid_fullscreen, true);
782 if ((i = COM_CheckParm("-width")) != 0)
783 width = atoi(com_argv[i+1]);
784 if ((i = COM_CheckParm("-height")) != 0)
785 height = atoi(com_argv[i+1]);
787 width = height * 4 / 3;
789 height = width * 3 / 4;
791 Cvar_SetValueQuick(&vid_width, width);
793 Cvar_SetValueQuick(&vid_height, height);
794 if ((i = COM_CheckParm("-bpp")) != 0)
795 Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
798 Con_DPrintf("Starting video system\n");
799 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer))
801 Con_Printf("Desired video mode fail, trying fallbacks...\n");
802 if (vid_fullscreen.integer)
804 if (!VID_Mode(true, 640, 480, 16))
805 if (!VID_Mode(false, 640, 480, 16))
806 Sys_Error("Video modes failed\n");
809 Sys_Error("Windowed video failed\n");