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 // GL_ARB_multitexture
19 int gl_textureunits = 1;
20 // GL_ARB_texture_env_combine or GL_EXT_texture_env_combine
21 int gl_combine_extension = false;
22 // GL_EXT_compiled_vertex_array
23 int gl_supportslockarrays = false;
24 // GLX_SGI_swap_control or WGL_EXT_swap_control
25 int gl_videosyncavailable = false;
27 int gl_stencil = false;
28 // 3D textures available
29 int gl_texture3d = false;
30 // GL_ARB_texture_cubemap
31 int gl_texturecubemap = false;
32 // GL_ARB_texture_env_dot3
33 int gl_dot3arb = false;
34 // GL_SGIS_texture_edge_clamp
35 int gl_support_clamptoedge = false;
36 // GL_EXT_texture_filter_anisotropic
37 int gl_support_anisotropy = false;
38 int gl_max_anisotropy = 1;
39 // GL_NV_texture_shader
40 int gl_textureshader = false;
41 // GL_EXT_stencil_two_side
42 int gl_support_stenciltwoside = false;
43 // GL_ARB_shader_objects
44 int gl_support_shader_objects = false;
45 // GL_ARB_shading_language_100
46 int gl_support_shading_language_100 = false;
47 // GL_ARB_vertex_shader
48 int gl_support_vertex_shader = false;
49 // GL_ARB_fragment_shader
50 int gl_support_fragment_shader = false;
52 // LordHavoc: if window is hidden, don't update screen
53 int vid_hidden = true;
54 // LordHavoc: if window is not the active window, don't hog as much CPU time,
55 // let go of the mouse, turn off sound, and restore system gamma ramps...
56 int vid_activewindow = true;
58 // we don't know until we try it!
59 cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1"};
60 // whether hardware gamma ramps are currently in effect
61 int vid_usinghwgamma = false;
63 unsigned short vid_gammaramps[768];
64 unsigned short vid_systemgammaramps[768];
66 cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1"};
67 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640"};
68 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480"};
69 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32"};
71 cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0"};
72 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
73 cvar_t gl_combine = {CVAR_SAVE, "gl_combine", "1"};
74 cvar_t gl_finish = {0, "gl_finish", "0"};
76 cvar_t in_pitch_min = {0, "in_pitch_min", "-90"}; // quake used -70
77 cvar_t in_pitch_max = {0, "in_pitch_max", "90"}; // quake used 80
79 cvar_t m_filter = {CVAR_SAVE, "m_filter","0"};
81 cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1"};
82 cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1"};
83 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0"};
84 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0"};
85 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0"};
86 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0"};
87 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0"};
88 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5"};
89 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5"};
90 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5"};
91 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1"};
92 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1"};
93 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1"};
94 cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1"};
95 cvar_t v_psycho = {0, "v_psycho", "0"};
97 // brand of graphics chip
98 const char *gl_vendor;
99 // graphics chip model and other information
100 const char *gl_renderer;
101 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
102 const char *gl_version;
103 // extensions list, space separated
104 const char *gl_extensions;
106 const char *gl_platform;
107 // another extensions list, containing platform-specific extensions that are
108 // not in the main list
109 const char *gl_platformextensions;
110 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
113 // GL_ARB_multitexture
114 void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
115 void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
116 void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
117 void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
118 void (GLAPIENTRY *qglActiveTexture) (GLenum);
119 void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
121 // GL_EXT_compiled_vertex_array
122 void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
123 void (GLAPIENTRY *qglUnlockArraysEXT) (void);
125 //GL_NV_vertex_array_range
126 GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority);
127 GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer);
128 GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer);
129 GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid);
131 // general GL functions
133 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
135 void (GLAPIENTRY *qglClear)(GLbitfield mask);
137 void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
138 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
139 void (GLAPIENTRY *qglCullFace)(GLenum mode);
141 void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
142 void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
143 void (GLAPIENTRY *qglEnable)(GLenum cap);
144 void (GLAPIENTRY *qglDisable)(GLenum cap);
145 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
147 void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
148 void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
150 void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
151 void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
152 void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
153 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
155 GLenum (GLAPIENTRY *qglGetError)(void);
156 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
157 void (GLAPIENTRY *qglFinish)(void);
158 void (GLAPIENTRY *qglFlush)(void);
160 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
161 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
162 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
163 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
164 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
166 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
167 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
168 void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
169 void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
170 void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
171 void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
172 void (GLAPIENTRY *qglArrayElement)(GLint i);
174 void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
175 void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
176 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
177 void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
178 void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
179 void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
180 void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
181 void (GLAPIENTRY *qglBegin)(GLenum mode);
182 void (GLAPIENTRY *qglEnd)(void);
184 void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
185 void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
186 void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
187 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
188 void (GLAPIENTRY *qglPushMatrix)(void);
189 void (GLAPIENTRY *qglPopMatrix)(void);
190 void (GLAPIENTRY *qglLoadIdentity)(void);
191 void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
192 void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
193 void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
194 void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
195 void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
196 void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
197 void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
198 void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
199 void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
200 void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
202 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
204 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
205 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
206 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
207 void (GLAPIENTRY *qglClearStencil)(GLint s);
209 void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
210 void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
211 void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
212 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
213 void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
214 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
216 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
217 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
218 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
219 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
220 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
221 GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
222 void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
223 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
225 void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
226 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
227 void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
228 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
229 void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
230 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
231 void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
232 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
235 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
237 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
239 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
240 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);
241 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
243 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
245 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
247 void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
249 void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
250 GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname);
251 void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj);
252 GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType);
253 void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length);
254 void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj);
255 GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void);
256 void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj);
257 void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj);
258 void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj);
259 void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj);
260 void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0);
261 void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1);
262 void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
263 void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
264 void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0);
265 void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1);
266 void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2);
267 void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
268 void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value);
269 void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value);
270 void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value);
271 void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value);
272 void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value);
273 void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value);
274 void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value);
275 void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value);
276 void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
277 void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
278 void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
279 void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params);
280 void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params);
281 void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
282 void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
283 GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name);
284 void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
285 void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
286 void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
287 void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
289 //void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0);
290 //void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0);
291 //void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0);
292 //void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1);
293 //void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1);
294 //void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1);
295 //void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
296 //void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
297 //void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
298 //void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
299 //void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
300 //void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
301 //void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
302 //void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v);
303 //void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v);
304 //void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v);
305 //void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v);
306 //void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v);
307 //void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v);
308 //void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v);
309 //void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v);
310 //void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v);
311 //void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v);
312 //void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v);
313 //void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v);
314 //void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v);
315 //void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v);
316 //void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v);
317 //void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v);
318 //void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v);
319 //void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v);
320 //void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v);
321 //void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v);
322 //void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v);
323 //void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v);
324 //void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v);
325 void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
326 void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index);
327 void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index);
328 void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name);
329 void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
330 GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name);
331 //void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params);
332 //void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params);
333 //void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
334 //void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
336 int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent)
339 const dllfunction_t *func;
341 Con_Printf("checking for %s... ", name);
343 for (func = funcs;func && func->name;func++)
344 *func->funcvariable = NULL;
346 if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
348 Con_Print("disabled by commandline\n");
352 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)))
354 for (func = funcs;func && func->name != NULL;func++)
356 // functions are cleared before all the extensions are evaluated
357 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
360 Con_Printf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name);
364 // delay the return so it prints all missing functions
367 Con_Print("enabled\n");
372 Con_Print("not detected\n");
377 static dllfunction_t opengl110funcs[] =
379 {"glClearColor", (void **) &qglClearColor},
380 {"glClear", (void **) &qglClear},
381 {"glAlphaFunc", (void **) &qglAlphaFunc},
382 {"glBlendFunc", (void **) &qglBlendFunc},
383 {"glCullFace", (void **) &qglCullFace},
384 {"glDrawBuffer", (void **) &qglDrawBuffer},
385 {"glReadBuffer", (void **) &qglReadBuffer},
386 {"glEnable", (void **) &qglEnable},
387 {"glDisable", (void **) &qglDisable},
388 {"glIsEnabled", (void **) &qglIsEnabled},
389 {"glEnableClientState", (void **) &qglEnableClientState},
390 {"glDisableClientState", (void **) &qglDisableClientState},
391 {"glGetBooleanv", (void **) &qglGetBooleanv},
392 {"glGetDoublev", (void **) &qglGetDoublev},
393 {"glGetFloatv", (void **) &qglGetFloatv},
394 {"glGetIntegerv", (void **) &qglGetIntegerv},
395 {"glGetError", (void **) &qglGetError},
396 {"glGetString", (void **) &qglGetString},
397 {"glFinish", (void **) &qglFinish},
398 {"glFlush", (void **) &qglFlush},
399 {"glClearDepth", (void **) &qglClearDepth},
400 {"glDepthFunc", (void **) &qglDepthFunc},
401 {"glDepthMask", (void **) &qglDepthMask},
402 {"glDepthRange", (void **) &qglDepthRange},
403 {"glDrawElements", (void **) &qglDrawElements},
404 {"glColorMask", (void **) &qglColorMask},
405 {"glVertexPointer", (void **) &qglVertexPointer},
406 {"glNormalPointer", (void **) &qglNormalPointer},
407 {"glColorPointer", (void **) &qglColorPointer},
408 {"glTexCoordPointer", (void **) &qglTexCoordPointer},
409 {"glArrayElement", (void **) &qglArrayElement},
410 {"glColor4f", (void **) &qglColor4f},
411 {"glTexCoord1f", (void **) &qglTexCoord1f},
412 {"glTexCoord2f", (void **) &qglTexCoord2f},
413 {"glTexCoord3f", (void **) &qglTexCoord3f},
414 {"glTexCoord4f", (void **) &qglTexCoord4f},
415 {"glVertex2f", (void **) &qglVertex2f},
416 {"glVertex3f", (void **) &qglVertex3f},
417 {"glBegin", (void **) &qglBegin},
418 {"glEnd", (void **) &qglEnd},
419 {"glMatrixMode", (void **) &qglMatrixMode},
420 {"glOrtho", (void **) &qglOrtho},
421 {"glFrustum", (void **) &qglFrustum},
422 {"glViewport", (void **) &qglViewport},
423 {"glPushMatrix", (void **) &qglPushMatrix},
424 {"glPopMatrix", (void **) &qglPopMatrix},
425 {"glLoadIdentity", (void **) &qglLoadIdentity},
426 {"glLoadMatrixd", (void **) &qglLoadMatrixd},
427 {"glLoadMatrixf", (void **) &qglLoadMatrixf},
428 {"glMultMatrixd", (void **) &qglMultMatrixd},
429 {"glMultMatrixf", (void **) &qglMultMatrixf},
430 {"glRotated", (void **) &qglRotated},
431 {"glRotatef", (void **) &qglRotatef},
432 {"glScaled", (void **) &qglScaled},
433 {"glScalef", (void **) &qglScalef},
434 {"glTranslated", (void **) &qglTranslated},
435 {"glTranslatef", (void **) &qglTranslatef},
436 {"glReadPixels", (void **) &qglReadPixels},
437 {"glStencilFunc", (void **) &qglStencilFunc},
438 {"glStencilMask", (void **) &qglStencilMask},
439 {"glStencilOp", (void **) &qglStencilOp},
440 {"glClearStencil", (void **) &qglClearStencil},
441 {"glTexEnvf", (void **) &qglTexEnvf},
442 {"glTexEnvfv", (void **) &qglTexEnvfv},
443 {"glTexEnvi", (void **) &qglTexEnvi},
444 {"glTexParameterf", (void **) &qglTexParameterf},
445 {"glTexParameterfv", (void **) &qglTexParameterfv},
446 {"glTexParameteri", (void **) &qglTexParameteri},
447 {"glPixelStoref", (void **) &qglPixelStoref},
448 {"glPixelStorei", (void **) &qglPixelStorei},
449 {"glGenTextures", (void **) &qglGenTextures},
450 {"glDeleteTextures", (void **) &qglDeleteTextures},
451 {"glBindTexture", (void **) &qglBindTexture},
452 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
453 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
454 {"glIsTexture", (void **) &qglIsTexture},
455 {"glTexImage1D", (void **) &qglTexImage1D},
456 {"glTexImage2D", (void **) &qglTexImage2D},
457 {"glTexSubImage1D", (void **) &qglTexSubImage1D},
458 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
459 {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
460 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
461 {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
462 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
463 {"glScissor", (void **) &qglScissor},
464 {"glPolygonOffset", (void **) &qglPolygonOffset},
468 static dllfunction_t drawrangeelementsfuncs[] =
470 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
474 static dllfunction_t drawrangeelementsextfuncs[] =
476 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
480 static dllfunction_t multitexturefuncs[] =
482 {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f},
483 {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
484 {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
485 {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f},
486 {"glActiveTextureARB", (void **) &qglActiveTexture},
487 {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
491 static dllfunction_t compiledvertexarrayfuncs[] =
493 {"glLockArraysEXT", (void **) &qglLockArraysEXT},
494 {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
498 static dllfunction_t texture3dextfuncs[] =
500 {"glTexImage3DEXT", (void **) &qglTexImage3D},
501 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
502 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
506 static dllfunction_t stenciltwosidefuncs[] =
508 {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
512 static dllfunction_t shaderobjectsfuncs[] =
514 {"glDeleteObjectARB", (void **) &qglDeleteObjectARB},
515 {"glGetHandleARB", (void **) &qglGetHandleARB},
516 {"glDetachObjectARB", (void **) &qglDetachObjectARB},
517 {"glCreateShaderObjectARB", (void **) &qglCreateShaderObjectARB},
518 {"glShaderSourceARB", (void **) &qglShaderSourceARB},
519 {"glCompileShaderARB", (void **) &qglCompileShaderARB},
520 {"glCreateProgramObjectARB", (void **) &qglCreateProgramObjectARB},
521 {"glAttachObjectARB", (void **) &qglAttachObjectARB},
522 {"glLinkProgramARB", (void **) &qglLinkProgramARB},
523 {"glUseProgramObjectARB", (void **) &qglUseProgramObjectARB},
524 {"glValidateProgramARB", (void **) &qglValidateProgramARB},
525 {"glUniform1fARB", (void **) &qglUniform1fARB},
526 {"glUniform2fARB", (void **) &qglUniform2fARB},
527 {"glUniform3fARB", (void **) &qglUniform3fARB},
528 {"glUniform4fARB", (void **) &qglUniform4fARB},
529 {"glUniform1iARB", (void **) &qglUniform1iARB},
530 {"glUniform2iARB", (void **) &qglUniform2iARB},
531 {"glUniform3iARB", (void **) &qglUniform3iARB},
532 {"glUniform4iARB", (void **) &qglUniform4iARB},
533 {"glUniform1fvARB", (void **) &qglUniform1fvARB},
534 {"glUniform2fvARB", (void **) &qglUniform2fvARB},
535 {"glUniform3fvARB", (void **) &qglUniform3fvARB},
536 {"glUniform4fvARB", (void **) &qglUniform4fvARB},
537 {"glUniform1ivARB", (void **) &qglUniform1ivARB},
538 {"glUniform2ivARB", (void **) &qglUniform2ivARB},
539 {"glUniform3ivARB", (void **) &qglUniform3ivARB},
540 {"glUniform4ivARB", (void **) &qglUniform4ivARB},
541 {"glUniformMatrix2fvARB", (void **) &qglUniformMatrix2fvARB},
542 {"glUniformMatrix3fvARB", (void **) &qglUniformMatrix3fvARB},
543 {"glUniformMatrix4fvARB", (void **) &qglUniformMatrix4fvARB},
544 {"glGetObjectParameterfvARB", (void **) &qglGetObjectParameterfvARB},
545 {"glGetObjectParameterivARB", (void **) &qglGetObjectParameterivARB},
546 {"glGetInfoLogARB", (void **) &qglGetInfoLogARB},
547 {"glGetAttachedObjectsARB", (void **) &qglGetAttachedObjectsARB},
548 {"glGetUniformLocationARB", (void **) &qglGetUniformLocationARB},
549 {"glGetActiveUniformARB", (void **) &qglGetActiveUniformARB},
550 {"glGetUniformfvARB", (void **) &qglGetUniformfvARB},
551 {"glGetUniformivARB", (void **) &qglGetUniformivARB},
552 {"glGetShaderSourceARB", (void **) &qglGetShaderSourceARB},
556 static dllfunction_t vertexshaderfuncs[] =
558 // {"glVertexAttrib1fARB", (void **) &qglVertexAttrib1fARB},
559 // {"glVertexAttrib1sARB", (void **) &qglVertexAttrib1sARB},
560 // {"glVertexAttrib1dARB", (void **) &qglVertexAttrib1dARB},
561 // {"glVertexAttrib2fARB", (void **) &qglVertexAttrib2fARB},
562 // {"glVertexAttrib2sARB", (void **) &qglVertexAttrib2sARB},
563 // {"glVertexAttrib2dARB", (void **) &qglVertexAttrib2dARB},
564 // {"glVertexAttrib3fARB", (void **) &qglVertexAttrib3fARB},
565 // {"glVertexAttrib3sARB", (void **) &qglVertexAttrib3sARB},
566 // {"glVertexAttrib3dARB", (void **) &qglVertexAttrib3dARB},
567 // {"glVertexAttrib4fARB", (void **) &qglVertexAttrib4fARB},
568 // {"glVertexAttrib4sARB", (void **) &qglVertexAttrib4sARB},
569 // {"glVertexAttrib4dARB", (void **) &qglVertexAttrib4dARB},
570 // {"glVertexAttrib4NubARB", (void **) &qglVertexAttrib4NubARB},
571 // {"glVertexAttrib1fvARB", (void **) &qglVertexAttrib1fvARB},
572 // {"glVertexAttrib1svARB", (void **) &qglVertexAttrib1svARB},
573 // {"glVertexAttrib1dvARB", (void **) &qglVertexAttrib1dvARB},
574 // {"glVertexAttrib2fvARB", (void **) &qglVertexAttrib1fvARB},
575 // {"glVertexAttrib2svARB", (void **) &qglVertexAttrib1svARB},
576 // {"glVertexAttrib2dvARB", (void **) &qglVertexAttrib1dvARB},
577 // {"glVertexAttrib3fvARB", (void **) &qglVertexAttrib1fvARB},
578 // {"glVertexAttrib3svARB", (void **) &qglVertexAttrib1svARB},
579 // {"glVertexAttrib3dvARB", (void **) &qglVertexAttrib1dvARB},
580 // {"glVertexAttrib4fvARB", (void **) &qglVertexAttrib1fvARB},
581 // {"glVertexAttrib4svARB", (void **) &qglVertexAttrib1svARB},
582 // {"glVertexAttrib4dvARB", (void **) &qglVertexAttrib1dvARB},
583 // {"glVertexAttrib4ivARB", (void **) &qglVertexAttrib1ivARB},
584 // {"glVertexAttrib4bvARB", (void **) &qglVertexAttrib1bvARB},
585 // {"glVertexAttrib4ubvARB", (void **) &qglVertexAttrib1ubvARB},
586 // {"glVertexAttrib4usvARB", (void **) &qglVertexAttrib1usvARB},
587 // {"glVertexAttrib4uivARB", (void **) &qglVertexAttrib1uivARB},
588 // {"glVertexAttrib4NbvARB", (void **) &qglVertexAttrib1NbvARB},
589 // {"glVertexAttrib4NsvARB", (void **) &qglVertexAttrib1NsvARB},
590 // {"glVertexAttrib4NivARB", (void **) &qglVertexAttrib1NivARB},
591 // {"glVertexAttrib4NubvARB", (void **) &qglVertexAttrib1NubvARB},
592 // {"glVertexAttrib4NusvARB", (void **) &qglVertexAttrib1NusvARB},
593 // {"glVertexAttrib4NuivARB", (void **) &qglVertexAttrib1NuivARB},
594 {"glVertexAttribPointerARB", (void **) &qglVertexAttribPointerARB},
595 {"glEnableVertexAttribArrayARB", (void **) &qglEnableVertexAttribArrayARB},
596 {"glDisableVertexAttribArrayARB", (void **) &qglDisableVertexAttribArrayARB},
597 {"glBindAttribLocationARB", (void **) &qglBindAttribLocationARB},
598 {"glGetActiveAttribARB", (void **) &qglGetActiveAttribARB},
599 {"glGetAttribLocationARB", (void **) &qglGetAttribLocationARB},
600 // {"glGetVertexAttribdvARB", (void **) &qglGetVertexAttribdvARB},
601 // {"glGetVertexAttribfvARB", (void **) &qglGetVertexAttribfvARB},
602 // {"glGetVertexAttribivARB", (void **) &qglGetVertexAttribivARB},
603 // {"glGetVertexAttribPointervARB", (void **) &qglGetVertexAttribPointervARB},
608 void VID_CheckExtensions(void)
610 gl_stencil = vid_bitsperpixel.integer == 32;
612 // reset all the gl extension variables here
613 // this should match the declarations
615 gl_combine_extension = false;
616 gl_supportslockarrays = false;
617 gl_texture3d = false;
618 gl_texturecubemap = false;
620 gl_support_clamptoedge = false;
621 gl_support_anisotropy = false;
622 gl_max_anisotropy = 1;
623 gl_textureshader = false;
624 gl_support_stenciltwoside = false;
625 gl_support_shader_objects = false;
626 gl_support_shading_language_100 = false;
627 gl_support_vertex_shader = false;
628 gl_support_fragment_shader = false;
630 if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
631 Sys_Error("OpenGL 1.1.0 functions not found\n");
633 Con_Printf("GL_VENDOR: %s\n", gl_vendor);
634 Con_Printf("GL_RENDERER: %s\n", gl_renderer);
635 Con_Printf("GL_VERSION: %s\n", gl_version);
636 Con_Printf("GL_EXTENSIONS: %s\n", gl_extensions);
637 Con_Printf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
639 Con_Print("Checking OpenGL extensions...\n");
641 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
642 if (!GL_CheckExtension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true))
643 GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
645 // COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
646 if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
648 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
649 // COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
650 gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
651 // COMMANDLINEOPTION: GL: -nodot3 disables GL_ARB_texture_env_dot3 (required for bumpmapping)
652 if (gl_combine_extension)
653 gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false);
656 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
657 gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
658 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
659 gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
660 // COMMANDLINEOPTION: GL: -nocva disables GL_EXT_compiled_vertex_array (renders faster)
661 gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
662 // 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)
663 gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
665 // COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
666 if ((gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false)))
667 qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy);
669 // COMMANDLINEOPTION: GL: -notextureshader disables GL_NV_texture_shader (required for the Geforce3 water shader, NVIDIA only)
670 gl_textureshader = GL_CheckExtension("GL_NV_texture_shader", NULL, "-notextureshader", false);
672 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (accelerates shadow rendering)
673 gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
675 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
676 if (qglDrawRangeElements == NULL)
677 qglDrawRangeElements = qglDrawRangeElementsEXT;
679 // COMMANDLINEOPTION: GL: -noshaderobjects disables GL_ARB_shader_objects (required for vertex shader and fragment shader)
680 // COMMANDLINEOPTION: GL: -noshadinglanguage100 disables GL_ARB_shading_language_100 (required for vertex shader and fragment shader)
681 // COMMANDLINEOPTION: GL: -novertexshader disables GL_ARB_vertex_shader (currently unused, allows vertex shader effects)
682 // COMMANDLINEOPTION: GL: -nofragmentshader disables GL_ARB_fragment_shader (currently unused, allows pixel shader effects)
683 if ((gl_support_shader_objects = GL_CheckExtension("GL_ARB_shader_objects", shaderobjectsfuncs, "-noshaderobjects", false)))
684 if ((gl_support_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false)))
685 if ((gl_support_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false)))
686 gl_support_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false);
689 int vid_vertexarrays_are_var = false;
690 void *VID_AllocVertexArrays(mempool_t *pool, int size, int fast, float readfrequency, float writefrequency, float priority)
693 vid_vertexarrays_are_var = false;
694 if (fast && qglAllocateMemoryNV)
697 m = qglAllocateMemoryNV(size, readfrequency, writefrequency, priority);
701 vid_vertexarrays_are_var = true;
705 return Mem_Alloc(pool, size);
708 void VID_FreeVertexArrays(void *pointer)
710 if (vid_vertexarrays_are_var)
713 qglFreeMemoryNV(pointer);
718 vid_vertexarrays_are_var = false;
721 void Force_CenterView_f (void)
723 cl.viewangles[PITCH] = 0;
726 void IN_PreMove(void)
730 void CL_AdjustAngles(void);
731 void IN_PostMove(void)
733 // clamp after the move as well to prevent messed up rendering angles
742 void IN_ProcessMove(void)
744 // get basic movement from keyboard
747 // OS independent code
750 // allow mice or other external controllers to add to the move
753 // OS independent code
758 void IN_Mouse(float mx, float my)
760 int mouselook = (in_mlook.state & 1) || freelook.integer;
761 float mouse_x, mouse_y;
762 static float old_mouse_x = 0, old_mouse_y = 0;
764 if (m_filter.integer)
766 mouse_x = (mx + old_mouse_x) * 0.5;
767 mouse_y = (my + old_mouse_y) * 0.5;
778 in_mouse_x = (float) mouse_x * vid.conwidth / vid.realwidth;
779 in_mouse_y = (float) mouse_y * vid.conheight / vid.realheight;
781 // AK: eveything else is client stuff
782 // BTW, this should be seperated somewhen
786 if (cl_prydoncursor.integer)
788 cl.cmd.cursor_screen[0] += mouse_x * sensitivity.value / vid.realwidth;
789 cl.cmd.cursor_screen[1] += mouse_y * sensitivity.value / vid.realheight;
794 // LordHavoc: viewzoom affects mouse sensitivity for sniping
795 mouse_x *= sensitivity.value * cl.viewzoom;
796 mouse_y *= sensitivity.value * cl.viewzoom;
798 // Add mouse X/Y movement to cmd
799 if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
800 cl.cmd.sidemove += m_side.value * mouse_x;
802 cl.viewangles[YAW] -= m_yaw.value * mouse_x;
807 if (mouselook && !(in_strafe.state & 1))
808 cl.viewangles[PITCH] += m_pitch.value * mouse_y;
811 if ((in_strafe.state & 1) && noclip_anglehack)
812 cl.cmd.upmove -= m_forward.value * mouse_y;
814 cl.cmd.forwardmove -= m_forward.value * mouse_y;
818 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3];
819 static int cachecolorenable, cachehwgamma;
820 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
821 void VID_UpdateGamma(qboolean force)
825 static int forcenextframe = false;
827 // LordHavoc: don't mess with gamma tables if running dedicated
828 if (cls.state == ca_dedicated)
834 && vid_usinghwgamma == (vid_activewindow && v_hwgamma.integer)
835 && v_gamma.value == cachegamma
836 && v_contrast.value == cachecontrast
837 && v_brightness.value == cachebrightness
838 && cachecolorenable == v_color_enable.integer
839 && cacheblack[0] == v_color_black_r.value
840 && cacheblack[1] == v_color_black_g.value
841 && cacheblack[2] == v_color_black_b.value
842 && cachegrey[0] == v_color_grey_r.value
843 && cachegrey[1] == v_color_grey_g.value
844 && cachegrey[2] == v_color_grey_b.value
845 && cachewhite[0] == v_color_white_r.value
846 && cachewhite[1] == v_color_white_g.value
847 && cachewhite[2] == v_color_white_b.value)
850 forcenextframe = false;
852 if (vid_activewindow && v_hwgamma.integer)
854 if (!vid_usinghwgamma)
856 vid_usinghwgamma = true;
857 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_GetGamma(vid_systemgammaramps));
860 BOUNDCVAR(v_gamma, 0.1, 5);cachegamma = v_gamma.value;
861 BOUNDCVAR(v_contrast, 1, 5);cachecontrast = v_contrast.value;
862 BOUNDCVAR(v_brightness, 0, 0.8);cachebrightness = v_brightness.value;
863 BOUNDCVAR(v_color_black_r, 0, 0.8);cacheblack[0] = v_color_black_r.value;
864 BOUNDCVAR(v_color_black_g, 0, 0.8);cacheblack[1] = v_color_black_g.value;
865 BOUNDCVAR(v_color_black_b, 0, 0.8);cacheblack[2] = v_color_black_b.value;
866 BOUNDCVAR(v_color_grey_r, 0, 0.95);cachegrey[0] = v_color_grey_r.value;
867 BOUNDCVAR(v_color_grey_g, 0, 0.95);cachegrey[1] = v_color_grey_g.value;
868 BOUNDCVAR(v_color_grey_b, 0, 0.95);cachegrey[2] = v_color_grey_b.value;
869 BOUNDCVAR(v_color_white_r, 1, 5);cachewhite[0] = v_color_white_r.value;
870 BOUNDCVAR(v_color_white_g, 1, 5);cachewhite[1] = v_color_white_g.value;
871 BOUNDCVAR(v_color_white_b, 1, 5);cachewhite[2] = v_color_white_b.value;
872 cachecolorenable = v_color_enable.integer;
873 cachehwgamma = v_hwgamma.integer;
875 if (cachecolorenable)
877 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], vid_gammaramps);
878 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], vid_gammaramps + 256);
879 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], vid_gammaramps + 512);
883 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps);
884 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 256);
885 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 512);
888 // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
889 // immensely butchered it to work with variable framerates and fit in with
890 // the rest of darkplaces.
891 if (v_psycho.integer)
895 static float n[3], nd[3], nt[3];
896 static int init = true;
897 unsigned short *ramp;
898 forcenextframe = true;
902 for (x = 0;x < 3;x++)
904 n[x] = lhrandom(0, 1);
905 nd[x] = (rand()&1)?-0.25:0.25;
906 nt[x] = lhrandom(1, 8.2);
910 for (x = 0;x < 3;x++)
912 nt[x] -= host_realframetime;
916 nt[x] += lhrandom(1, 8.2);
918 n[x] += nd[x] * host_realframetime;
922 for (x = 0, ramp = vid_gammaramps;x < 3;x++)
923 for (y = 0, t = n[x] - 0.75f;y < 256;y++, t += 0.75f * (2.0f / 256.0f))
924 *ramp++ = cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f;
927 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps));
928 // if custom gamma ramps failed (Windows stupidity), restore to system gamma
929 if(!vid_hardwaregammasupported.integer)
930 VID_SetGamma(vid_systemgammaramps);
934 if (vid_usinghwgamma)
936 vid_usinghwgamma = false;
937 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps));
942 void VID_RestoreSystemGamma(void)
944 if (vid_usinghwgamma)
946 vid_usinghwgamma = false;
947 VID_SetGamma(vid_systemgammaramps);
951 void VID_Shared_Init(void)
953 Cvar_RegisterVariable(&vid_hardwaregammasupported);
954 Cvar_RegisterVariable(&v_gamma);
955 Cvar_RegisterVariable(&v_brightness);
956 Cvar_RegisterVariable(&v_contrast);
958 Cvar_RegisterVariable(&v_color_enable);
959 Cvar_RegisterVariable(&v_color_black_r);
960 Cvar_RegisterVariable(&v_color_black_g);
961 Cvar_RegisterVariable(&v_color_black_b);
962 Cvar_RegisterVariable(&v_color_grey_r);
963 Cvar_RegisterVariable(&v_color_grey_g);
964 Cvar_RegisterVariable(&v_color_grey_b);
965 Cvar_RegisterVariable(&v_color_white_r);
966 Cvar_RegisterVariable(&v_color_white_g);
967 Cvar_RegisterVariable(&v_color_white_b);
969 Cvar_RegisterVariable(&v_hwgamma);
971 Cvar_RegisterVariable(&v_psycho);
973 Cvar_RegisterVariable(&vid_fullscreen);
974 Cvar_RegisterVariable(&vid_width);
975 Cvar_RegisterVariable(&vid_height);
976 Cvar_RegisterVariable(&vid_bitsperpixel);
977 Cvar_RegisterVariable(&vid_vsync);
978 Cvar_RegisterVariable(&vid_mouse);
979 Cvar_RegisterVariable(&gl_combine);
980 Cvar_RegisterVariable(&gl_finish);
981 Cvar_RegisterVariable(&in_pitch_min);
982 Cvar_RegisterVariable(&in_pitch_max);
983 Cvar_RegisterVariable(&m_filter);
984 Cmd_AddCommand("force_centerview", Force_CenterView_f);
985 Cmd_AddCommand("vid_restart", VID_Restart_f);
986 if (gamemode == GAME_GOODVSBAD2)
987 Cvar_Set("gl_combine", "0");
990 int current_vid_fullscreen;
991 int current_vid_width;
992 int current_vid_height;
993 int current_vid_bitsperpixel;
994 int VID_Mode(int fullscreen, int width, int height, int bpp)
996 Con_Printf("Video: %s %dx%dx%d\n", fullscreen ? "fullscreen" : "window", width, height, bpp);
997 if (VID_InitMode(fullscreen, width, height, bpp))
999 current_vid_fullscreen = fullscreen;
1000 current_vid_width = width;
1001 current_vid_height = height;
1002 current_vid_bitsperpixel = bpp;
1003 Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
1004 Cvar_SetValueQuick(&vid_width, width);
1005 Cvar_SetValueQuick(&vid_height, height);
1006 Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
1013 static void VID_OpenSystems(void)
1019 static void VID_CloseSystems(void)
1022 R_Modules_Shutdown();
1025 int vid_commandlinecheck = true;
1027 void VID_Restart_f(void)
1029 // don't crash if video hasn't started yet
1030 if (vid_commandlinecheck)
1033 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp, to %s %dx%dx%dbpp.\n",
1034 current_vid_fullscreen ? "fullscreen" : "window", current_vid_width, current_vid_height, current_vid_bitsperpixel,
1035 vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer);
1037 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer))
1039 Con_Print("Video mode change failed\n");
1040 if (!VID_Mode(current_vid_fullscreen, current_vid_width, current_vid_height, current_vid_bitsperpixel))
1041 Sys_Error("Unable to restore to last working video mode\n");
1048 int i, width, height, success;
1049 if (vid_commandlinecheck)
1051 // interpret command-line parameters
1052 vid_commandlinecheck = false;
1053 // COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
1054 if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
1055 Cvar_SetValueQuick(&vid_fullscreen, false);
1056 // COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
1057 if (COM_CheckParm("-fullscreen"))
1058 Cvar_SetValueQuick(&vid_fullscreen, true);
1061 // 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)
1062 if ((i = COM_CheckParm("-width")) != 0)
1063 width = atoi(com_argv[i+1]);
1064 // 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)
1065 if ((i = COM_CheckParm("-height")) != 0)
1066 height = atoi(com_argv[i+1]);
1068 width = height * 4 / 3;
1070 height = width * 3 / 4;
1072 Cvar_SetValueQuick(&vid_width, width);
1074 Cvar_SetValueQuick(&vid_height, height);
1075 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
1076 if ((i = COM_CheckParm("-bpp")) != 0)
1077 Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
1080 Con_Print("Starting video system\n");
1081 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer);
1084 Con_Print("Desired video mode fail, trying fallbacks...\n");
1085 if (!success && vid_bitsperpixel.integer > 16)
1086 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, 16);
1087 if (!success && (vid_width.integer > 640 || vid_height.integer > 480))
1088 success = VID_Mode(vid_fullscreen.integer, 640, 480, 16);
1089 if (!success && vid_fullscreen.integer)
1090 success = VID_Mode(false, 640, 480, 16);
1092 Sys_Error("Video modes failed\n");
1097 void VID_Close(void)