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;
17 float in_windowmouse_x, in_windowmouse_y;
19 // value of GL_MAX_TEXTURE_<various>_SIZE
20 int gl_max_texture_size = 0;
21 int gl_max_3d_texture_size = 0;
22 int gl_max_cube_map_texture_size = 0;
23 // GL_ARB_multitexture
24 int gl_textureunits = 1;
25 // GL_ARB_texture_env_combine or GL_EXT_texture_env_combine
26 int gl_combine_extension = false;
27 // GL_EXT_compiled_vertex_array
28 int gl_supportslockarrays = false;
29 // GLX_SGI_swap_control or WGL_EXT_swap_control
30 int gl_videosyncavailable = false;
32 int gl_stencil = false;
33 // 3D textures available
34 int gl_texture3d = false;
35 // GL_ARB_texture_cubemap
36 int gl_texturecubemap = false;
37 // GL_ARB_texture_non_power_of_two
38 int gl_support_arb_texture_non_power_of_two = false;
39 // GL_ARB_texture_env_dot3
40 int gl_dot3arb = false;
41 // GL_SGIS_texture_edge_clamp
42 int gl_support_clamptoedge = false;
43 // GL_EXT_texture_filter_anisotropic
44 int gl_support_anisotropy = false;
45 int gl_max_anisotropy = 1;
46 // OpenGL2.0 core glStencilOpSeparate, or GL_ATI_separate_stencil
47 int gl_support_separatestencil = false;
48 // GL_EXT_stencil_two_side
49 int gl_support_stenciltwoside = false;
50 // GL_EXT_blend_minmax
51 int gl_support_ext_blend_minmax = false;
52 // GL_EXT_blend_subtract
53 int gl_support_ext_blend_subtract = false;
54 // GL_ARB_shader_objects
55 int gl_support_shader_objects = false;
56 // GL_ARB_shading_language_100
57 int gl_support_shading_language_100 = false;
58 // GL_ARB_vertex_shader
59 int gl_support_vertex_shader = false;
60 // GL_ARB_fragment_shader
61 int gl_support_fragment_shader = false;
62 //GL_ARB_vertex_buffer_object
63 int gl_support_arb_vertex_buffer_object = false;
64 //GL_ARB_texture_compression
65 int gl_support_texture_compression = false;
66 //GL_ARB_occlusion_query
67 int gl_support_arb_occlusion_query = false;
69 // LordHavoc: if window is hidden, don't update screen
70 qboolean vid_hidden = true;
71 // LordHavoc: if window is not the active window, don't hog as much CPU time,
72 // let go of the mouse, turn off sound, and restore system gamma ramps...
73 qboolean vid_activewindow = true;
75 // we don't know until we try it!
76 cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"};
77 // whether hardware gamma ramps are currently in effect
78 qboolean vid_usinghwgamma = false;
80 int vid_gammarampsize = 0;
81 unsigned short *vid_gammaramps = NULL;
82 unsigned short *vid_systemgammaramps = NULL;
84 cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"};
85 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
86 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
87 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
88 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)"};
89 cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
90 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"};
91 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"};
93 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"};
94 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
95 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)"};
96 cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"};
97 cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"};
98 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)"};
99 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)"};
101 cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
102 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" };
104 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"};
105 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)"};
106 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
107 cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
108 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
109 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
110 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
111 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
112 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
113 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
114 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
115 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
116 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
117 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
118 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"};
119 cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
120 cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
122 // brand of graphics chip
123 const char *gl_vendor;
124 // graphics chip model and other information
125 const char *gl_renderer;
126 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
127 const char *gl_version;
128 // extensions list, space separated
129 const char *gl_extensions;
131 const char *gl_platform;
132 // another extensions list, containing platform-specific extensions that are
133 // not in the main list
134 const char *gl_platformextensions;
135 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
138 // GL_ARB_multitexture
139 void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
140 void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
141 void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
142 void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
143 void (GLAPIENTRY *qglActiveTexture) (GLenum);
144 void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
146 // GL_EXT_compiled_vertex_array
147 void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
148 void (GLAPIENTRY *qglUnlockArraysEXT) (void);
150 // general GL functions
152 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
154 void (GLAPIENTRY *qglClear)(GLbitfield mask);
156 void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
157 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
158 void (GLAPIENTRY *qglCullFace)(GLenum mode);
160 void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
161 void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
162 void (GLAPIENTRY *qglEnable)(GLenum cap);
163 void (GLAPIENTRY *qglDisable)(GLenum cap);
164 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
166 void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
167 void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
169 void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
170 void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
171 void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
172 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
174 GLenum (GLAPIENTRY *qglGetError)(void);
175 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
176 void (GLAPIENTRY *qglFinish)(void);
177 void (GLAPIENTRY *qglFlush)(void);
179 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
180 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
181 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
182 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
183 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
185 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
186 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
187 void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
188 void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
189 void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
190 void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
191 void (GLAPIENTRY *qglArrayElement)(GLint i);
193 void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
194 void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
195 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
196 void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
197 void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
198 void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
199 void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
200 void (GLAPIENTRY *qglBegin)(GLenum mode);
201 void (GLAPIENTRY *qglEnd)(void);
203 void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
204 void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
205 void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
206 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
207 void (GLAPIENTRY *qglPushMatrix)(void);
208 void (GLAPIENTRY *qglPopMatrix)(void);
209 void (GLAPIENTRY *qglLoadIdentity)(void);
210 void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
211 void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
212 void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
213 void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
214 void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
215 void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
216 void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
217 void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
218 void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
219 void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
221 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
223 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
224 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
225 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
226 void (GLAPIENTRY *qglClearStencil)(GLint s);
228 void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
229 void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
230 void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
231 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
232 void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
233 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
234 void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
236 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
237 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
238 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
239 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
240 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
241 GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
242 void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
243 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
245 void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
246 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
247 void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
248 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
249 void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
250 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
251 void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
252 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
255 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
257 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
259 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
260 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);
261 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
263 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
265 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
266 void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
267 void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
269 void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
270 void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
272 //[515]: added on 29.07.2005
273 void (GLAPIENTRY *qglLineWidth)(GLfloat width);
274 void (GLAPIENTRY *qglPointSize)(GLfloat size);
276 void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
278 void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
279 void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
280 void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
282 void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
283 GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname);
284 void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj);
285 GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType);
286 void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length);
287 void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj);
288 GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void);
289 void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj);
290 void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj);
291 void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj);
292 void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj);
293 void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0);
294 void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1);
295 void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
296 void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
297 void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0);
298 void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1);
299 void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2);
300 void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
301 void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value);
302 void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value);
303 void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value);
304 void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value);
305 void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value);
306 void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value);
307 void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value);
308 void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value);
309 void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
310 void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
311 void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
312 void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params);
313 void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params);
314 void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
315 void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
316 GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name);
317 void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
318 void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
319 void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
320 void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
322 //void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0);
323 //void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0);
324 //void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0);
325 //void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1);
326 //void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1);
327 //void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1);
328 //void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
329 //void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
330 //void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
331 //void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
332 //void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
333 //void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
334 //void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
335 //void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v);
336 //void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v);
337 //void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v);
338 //void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v);
339 //void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v);
340 //void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v);
341 //void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v);
342 //void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v);
343 //void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v);
344 //void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v);
345 //void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v);
346 //void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v);
347 //void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v);
348 //void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v);
349 //void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v);
350 //void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v);
351 //void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v);
352 //void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v);
353 //void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v);
354 //void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v);
355 //void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v);
356 //void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v);
357 //void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v);
358 void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
359 void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index);
360 void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index);
361 void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name);
362 void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
363 GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name);
364 //void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params);
365 //void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params);
366 //void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
367 //void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
369 //GL_ARB_vertex_buffer_object
370 void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
371 void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
372 void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
373 GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
374 GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
375 GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
376 void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
377 void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
379 void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
380 void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
381 void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
382 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);
383 void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
384 void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
385 void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
387 void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
388 void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
389 GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
390 void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
391 void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
392 void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
393 void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
394 void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
397 #define sscanf sscanf_s
400 int GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent)
403 const dllfunction_t *func;
404 struct { int major, minor; } min_version, curr_version;
407 if(sscanf(minglver_or_ext, "%d.%d", &min_version.major, &min_version.minor) == 2)
408 ext = 0; // opengl version
409 else if(minglver_or_ext[0] != toupper(minglver_or_ext[0]))
410 ext = -1; // pseudo name
412 ext = 1; // extension name
415 Con_DPrintf("checking for %s... ", minglver_or_ext);
417 Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext);
419 for (func = funcs;func && func->name;func++)
420 *func->funcvariable = NULL;
422 if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
424 Con_DPrint("disabled by commandline\n");
428 if (ext == 1) // opengl extension
430 if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext))
432 Con_DPrint("not detected\n");
437 if(ext == 0) // opengl version
439 sscanf(gl_version, "%d.%d", &curr_version.major, &curr_version.minor);
441 if (curr_version.major < min_version.major || (curr_version.major == min_version.major && curr_version.minor < min_version.minor))
443 Con_DPrintf("not detected (OpenGL %d.%d loaded)\n", curr_version.major, curr_version.minor);
448 for (func = funcs;func && func->name != NULL;func++)
450 // Con_DPrintf("\n %s... ", func->name);
452 // functions are cleared before all the extensions are evaluated
453 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
458 Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
460 Con_DPrintf("OpenGL %s core features are missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
465 // delay the return so it prints all missing functions
468 Con_DPrint("enabled\n");
472 static dllfunction_t opengl110funcs[] =
474 {"glClearColor", (void **) &qglClearColor},
475 {"glClear", (void **) &qglClear},
476 {"glAlphaFunc", (void **) &qglAlphaFunc},
477 {"glBlendFunc", (void **) &qglBlendFunc},
478 {"glCullFace", (void **) &qglCullFace},
479 {"glDrawBuffer", (void **) &qglDrawBuffer},
480 {"glReadBuffer", (void **) &qglReadBuffer},
481 {"glEnable", (void **) &qglEnable},
482 {"glDisable", (void **) &qglDisable},
483 {"glIsEnabled", (void **) &qglIsEnabled},
484 {"glEnableClientState", (void **) &qglEnableClientState},
485 {"glDisableClientState", (void **) &qglDisableClientState},
486 {"glGetBooleanv", (void **) &qglGetBooleanv},
487 {"glGetDoublev", (void **) &qglGetDoublev},
488 {"glGetFloatv", (void **) &qglGetFloatv},
489 {"glGetIntegerv", (void **) &qglGetIntegerv},
490 {"glGetError", (void **) &qglGetError},
491 {"glGetString", (void **) &qglGetString},
492 {"glFinish", (void **) &qglFinish},
493 {"glFlush", (void **) &qglFlush},
494 {"glClearDepth", (void **) &qglClearDepth},
495 {"glDepthFunc", (void **) &qglDepthFunc},
496 {"glDepthMask", (void **) &qglDepthMask},
497 {"glDepthRange", (void **) &qglDepthRange},
498 {"glDrawElements", (void **) &qglDrawElements},
499 {"glColorMask", (void **) &qglColorMask},
500 {"glVertexPointer", (void **) &qglVertexPointer},
501 {"glNormalPointer", (void **) &qglNormalPointer},
502 {"glColorPointer", (void **) &qglColorPointer},
503 {"glTexCoordPointer", (void **) &qglTexCoordPointer},
504 {"glArrayElement", (void **) &qglArrayElement},
505 {"glColor4f", (void **) &qglColor4f},
506 {"glTexCoord1f", (void **) &qglTexCoord1f},
507 {"glTexCoord2f", (void **) &qglTexCoord2f},
508 {"glTexCoord3f", (void **) &qglTexCoord3f},
509 {"glTexCoord4f", (void **) &qglTexCoord4f},
510 {"glVertex2f", (void **) &qglVertex2f},
511 {"glVertex3f", (void **) &qglVertex3f},
512 {"glBegin", (void **) &qglBegin},
513 {"glEnd", (void **) &qglEnd},
514 //[515]: added on 29.07.2005
515 {"glLineWidth", (void**) &qglLineWidth},
516 {"glPointSize", (void**) &qglPointSize},
518 {"glMatrixMode", (void **) &qglMatrixMode},
519 {"glOrtho", (void **) &qglOrtho},
520 {"glFrustum", (void **) &qglFrustum},
521 {"glViewport", (void **) &qglViewport},
522 {"glPushMatrix", (void **) &qglPushMatrix},
523 {"glPopMatrix", (void **) &qglPopMatrix},
524 {"glLoadIdentity", (void **) &qglLoadIdentity},
525 {"glLoadMatrixd", (void **) &qglLoadMatrixd},
526 {"glLoadMatrixf", (void **) &qglLoadMatrixf},
527 {"glMultMatrixd", (void **) &qglMultMatrixd},
528 {"glMultMatrixf", (void **) &qglMultMatrixf},
529 {"glRotated", (void **) &qglRotated},
530 {"glRotatef", (void **) &qglRotatef},
531 {"glScaled", (void **) &qglScaled},
532 {"glScalef", (void **) &qglScalef},
533 {"glTranslated", (void **) &qglTranslated},
534 {"glTranslatef", (void **) &qglTranslatef},
535 {"glReadPixels", (void **) &qglReadPixels},
536 {"glStencilFunc", (void **) &qglStencilFunc},
537 {"glStencilMask", (void **) &qglStencilMask},
538 {"glStencilOp", (void **) &qglStencilOp},
539 {"glClearStencil", (void **) &qglClearStencil},
540 {"glTexEnvf", (void **) &qglTexEnvf},
541 {"glTexEnvfv", (void **) &qglTexEnvfv},
542 {"glTexEnvi", (void **) &qglTexEnvi},
543 {"glTexParameterf", (void **) &qglTexParameterf},
544 {"glTexParameterfv", (void **) &qglTexParameterfv},
545 {"glTexParameteri", (void **) &qglTexParameteri},
546 {"glHint", (void **) &qglHint},
547 {"glPixelStoref", (void **) &qglPixelStoref},
548 {"glPixelStorei", (void **) &qglPixelStorei},
549 {"glGenTextures", (void **) &qglGenTextures},
550 {"glDeleteTextures", (void **) &qglDeleteTextures},
551 {"glBindTexture", (void **) &qglBindTexture},
552 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
553 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
554 {"glIsTexture", (void **) &qglIsTexture},
555 {"glTexImage1D", (void **) &qglTexImage1D},
556 {"glTexImage2D", (void **) &qglTexImage2D},
557 {"glTexSubImage1D", (void **) &qglTexSubImage1D},
558 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
559 {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
560 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
561 {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
562 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
563 {"glScissor", (void **) &qglScissor},
564 {"glPolygonOffset", (void **) &qglPolygonOffset},
565 {"glPolygonMode", (void **) &qglPolygonMode},
566 {"glPolygonStipple", (void **) &qglPolygonStipple},
567 {"glClipPlane", (void **) &qglClipPlane},
568 {"glGetClipPlane", (void **) &qglGetClipPlane},
572 static dllfunction_t drawrangeelementsfuncs[] =
574 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
578 static dllfunction_t drawrangeelementsextfuncs[] =
580 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
584 static dllfunction_t multitexturefuncs[] =
586 {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f},
587 {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
588 {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
589 {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f},
590 {"glActiveTextureARB", (void **) &qglActiveTexture},
591 {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
595 static dllfunction_t compiledvertexarrayfuncs[] =
597 {"glLockArraysEXT", (void **) &qglLockArraysEXT},
598 {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
602 static dllfunction_t texture3dextfuncs[] =
604 {"glTexImage3DEXT", (void **) &qglTexImage3D},
605 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
606 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
610 static dllfunction_t atiseparatestencilfuncs[] =
612 {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
613 {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
617 static dllfunction_t gl2separatestencilfuncs[] =
619 {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
620 {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
624 static dllfunction_t stenciltwosidefuncs[] =
626 {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
630 static dllfunction_t blendequationfuncs[] =
632 {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
636 static dllfunction_t shaderobjectsfuncs[] =
638 {"glDeleteObjectARB", (void **) &qglDeleteObjectARB},
639 {"glGetHandleARB", (void **) &qglGetHandleARB},
640 {"glDetachObjectARB", (void **) &qglDetachObjectARB},
641 {"glCreateShaderObjectARB", (void **) &qglCreateShaderObjectARB},
642 {"glShaderSourceARB", (void **) &qglShaderSourceARB},
643 {"glCompileShaderARB", (void **) &qglCompileShaderARB},
644 {"glCreateProgramObjectARB", (void **) &qglCreateProgramObjectARB},
645 {"glAttachObjectARB", (void **) &qglAttachObjectARB},
646 {"glLinkProgramARB", (void **) &qglLinkProgramARB},
647 {"glUseProgramObjectARB", (void **) &qglUseProgramObjectARB},
648 {"glValidateProgramARB", (void **) &qglValidateProgramARB},
649 {"glUniform1fARB", (void **) &qglUniform1fARB},
650 {"glUniform2fARB", (void **) &qglUniform2fARB},
651 {"glUniform3fARB", (void **) &qglUniform3fARB},
652 {"glUniform4fARB", (void **) &qglUniform4fARB},
653 {"glUniform1iARB", (void **) &qglUniform1iARB},
654 {"glUniform2iARB", (void **) &qglUniform2iARB},
655 {"glUniform3iARB", (void **) &qglUniform3iARB},
656 {"glUniform4iARB", (void **) &qglUniform4iARB},
657 {"glUniform1fvARB", (void **) &qglUniform1fvARB},
658 {"glUniform2fvARB", (void **) &qglUniform2fvARB},
659 {"glUniform3fvARB", (void **) &qglUniform3fvARB},
660 {"glUniform4fvARB", (void **) &qglUniform4fvARB},
661 {"glUniform1ivARB", (void **) &qglUniform1ivARB},
662 {"glUniform2ivARB", (void **) &qglUniform2ivARB},
663 {"glUniform3ivARB", (void **) &qglUniform3ivARB},
664 {"glUniform4ivARB", (void **) &qglUniform4ivARB},
665 {"glUniformMatrix2fvARB", (void **) &qglUniformMatrix2fvARB},
666 {"glUniformMatrix3fvARB", (void **) &qglUniformMatrix3fvARB},
667 {"glUniformMatrix4fvARB", (void **) &qglUniformMatrix4fvARB},
668 {"glGetObjectParameterfvARB", (void **) &qglGetObjectParameterfvARB},
669 {"glGetObjectParameterivARB", (void **) &qglGetObjectParameterivARB},
670 {"glGetInfoLogARB", (void **) &qglGetInfoLogARB},
671 {"glGetAttachedObjectsARB", (void **) &qglGetAttachedObjectsARB},
672 {"glGetUniformLocationARB", (void **) &qglGetUniformLocationARB},
673 {"glGetActiveUniformARB", (void **) &qglGetActiveUniformARB},
674 {"glGetUniformfvARB", (void **) &qglGetUniformfvARB},
675 {"glGetUniformivARB", (void **) &qglGetUniformivARB},
676 {"glGetShaderSourceARB", (void **) &qglGetShaderSourceARB},
680 static dllfunction_t vertexshaderfuncs[] =
682 // {"glVertexAttrib1fARB", (void **) &qglVertexAttrib1fARB},
683 // {"glVertexAttrib1sARB", (void **) &qglVertexAttrib1sARB},
684 // {"glVertexAttrib1dARB", (void **) &qglVertexAttrib1dARB},
685 // {"glVertexAttrib2fARB", (void **) &qglVertexAttrib2fARB},
686 // {"glVertexAttrib2sARB", (void **) &qglVertexAttrib2sARB},
687 // {"glVertexAttrib2dARB", (void **) &qglVertexAttrib2dARB},
688 // {"glVertexAttrib3fARB", (void **) &qglVertexAttrib3fARB},
689 // {"glVertexAttrib3sARB", (void **) &qglVertexAttrib3sARB},
690 // {"glVertexAttrib3dARB", (void **) &qglVertexAttrib3dARB},
691 // {"glVertexAttrib4fARB", (void **) &qglVertexAttrib4fARB},
692 // {"glVertexAttrib4sARB", (void **) &qglVertexAttrib4sARB},
693 // {"glVertexAttrib4dARB", (void **) &qglVertexAttrib4dARB},
694 // {"glVertexAttrib4NubARB", (void **) &qglVertexAttrib4NubARB},
695 // {"glVertexAttrib1fvARB", (void **) &qglVertexAttrib1fvARB},
696 // {"glVertexAttrib1svARB", (void **) &qglVertexAttrib1svARB},
697 // {"glVertexAttrib1dvARB", (void **) &qglVertexAttrib1dvARB},
698 // {"glVertexAttrib2fvARB", (void **) &qglVertexAttrib1fvARB},
699 // {"glVertexAttrib2svARB", (void **) &qglVertexAttrib1svARB},
700 // {"glVertexAttrib2dvARB", (void **) &qglVertexAttrib1dvARB},
701 // {"glVertexAttrib3fvARB", (void **) &qglVertexAttrib1fvARB},
702 // {"glVertexAttrib3svARB", (void **) &qglVertexAttrib1svARB},
703 // {"glVertexAttrib3dvARB", (void **) &qglVertexAttrib1dvARB},
704 // {"glVertexAttrib4fvARB", (void **) &qglVertexAttrib1fvARB},
705 // {"glVertexAttrib4svARB", (void **) &qglVertexAttrib1svARB},
706 // {"glVertexAttrib4dvARB", (void **) &qglVertexAttrib1dvARB},
707 // {"glVertexAttrib4ivARB", (void **) &qglVertexAttrib1ivARB},
708 // {"glVertexAttrib4bvARB", (void **) &qglVertexAttrib1bvARB},
709 // {"glVertexAttrib4ubvARB", (void **) &qglVertexAttrib1ubvARB},
710 // {"glVertexAttrib4usvARB", (void **) &qglVertexAttrib1usvARB},
711 // {"glVertexAttrib4uivARB", (void **) &qglVertexAttrib1uivARB},
712 // {"glVertexAttrib4NbvARB", (void **) &qglVertexAttrib1NbvARB},
713 // {"glVertexAttrib4NsvARB", (void **) &qglVertexAttrib1NsvARB},
714 // {"glVertexAttrib4NivARB", (void **) &qglVertexAttrib1NivARB},
715 // {"glVertexAttrib4NubvARB", (void **) &qglVertexAttrib1NubvARB},
716 // {"glVertexAttrib4NusvARB", (void **) &qglVertexAttrib1NusvARB},
717 // {"glVertexAttrib4NuivARB", (void **) &qglVertexAttrib1NuivARB},
718 {"glVertexAttribPointerARB", (void **) &qglVertexAttribPointerARB},
719 {"glEnableVertexAttribArrayARB", (void **) &qglEnableVertexAttribArrayARB},
720 {"glDisableVertexAttribArrayARB", (void **) &qglDisableVertexAttribArrayARB},
721 {"glBindAttribLocationARB", (void **) &qglBindAttribLocationARB},
722 {"glGetActiveAttribARB", (void **) &qglGetActiveAttribARB},
723 {"glGetAttribLocationARB", (void **) &qglGetAttribLocationARB},
724 // {"glGetVertexAttribdvARB", (void **) &qglGetVertexAttribdvARB},
725 // {"glGetVertexAttribfvARB", (void **) &qglGetVertexAttribfvARB},
726 // {"glGetVertexAttribivARB", (void **) &qglGetVertexAttribivARB},
727 // {"glGetVertexAttribPointervARB", (void **) &qglGetVertexAttribPointervARB},
731 static dllfunction_t vbofuncs[] =
733 {"glBindBufferARB" , (void **) &qglBindBufferARB},
734 {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
735 {"glGenBuffersARB" , (void **) &qglGenBuffersARB},
736 {"glIsBufferARB" , (void **) &qglIsBufferARB},
737 {"glMapBufferARB" , (void **) &qglMapBufferARB},
738 {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB},
739 {"glBufferDataARB" , (void **) &qglBufferDataARB},
740 {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
744 static dllfunction_t texturecompressionfuncs[] =
746 {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB},
747 {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB},
748 {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB},
749 {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB},
750 {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB},
751 {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB},
752 {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB},
756 static dllfunction_t occlusionqueryfuncs[] =
758 {"glGenQueriesARB", (void **) &qglGenQueriesARB},
759 {"glDeleteQueriesARB", (void **) &qglDeleteQueriesARB},
760 {"glIsQueryARB", (void **) &qglIsQueryARB},
761 {"glBeginQueryARB", (void **) &qglBeginQueryARB},
762 {"glEndQueryARB", (void **) &qglEndQueryARB},
763 {"glGetQueryivARB", (void **) &qglGetQueryivARB},
764 {"glGetQueryObjectivARB", (void **) &qglGetQueryObjectivARB},
765 {"glGetQueryObjectuivARB", (void **) &qglGetQueryObjectuivARB},
769 void VID_CheckExtensions(void)
771 gl_stencil = vid_bitsperpixel.integer == 32;
773 // reset all the gl extension variables here
774 // this should match the declarations
775 gl_max_texture_size = 0;
776 gl_max_3d_texture_size = 0;
777 gl_max_cube_map_texture_size = 0;
779 gl_combine_extension = false;
780 gl_supportslockarrays = false;
781 gl_texture3d = false;
782 gl_texturecubemap = false;
783 gl_support_arb_texture_non_power_of_two = false;
785 gl_support_clamptoedge = false;
786 gl_support_anisotropy = false;
787 gl_max_anisotropy = 1;
788 gl_support_separatestencil = false;
789 gl_support_stenciltwoside = false;
790 gl_support_ext_blend_minmax = false;
791 gl_support_ext_blend_subtract = false;
792 gl_support_shader_objects = false;
793 gl_support_shading_language_100 = false;
794 gl_support_vertex_shader = false;
795 gl_support_fragment_shader = false;
796 gl_support_arb_vertex_buffer_object = false;
797 gl_support_texture_compression = false;
798 gl_support_arb_occlusion_query = false;
800 if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false))
801 Sys_Error("OpenGL 1.1.0 functions not found");
804 qglGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_max_texture_size);
806 Con_DPrint("Checking OpenGL extensions...\n");
808 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
809 if (!GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true))
810 GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
812 // COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
813 if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
815 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
816 // COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
817 gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
818 // COMMANDLINEOPTION: GL: -nodot3 disables GL_ARB_texture_env_dot3 (required for bumpmapping)
819 if (gl_combine_extension)
820 gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false);
823 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
824 if ((gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false)))
826 qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, &gl_max_3d_texture_size);
827 if (gl_max_3d_texture_size < 32)
829 gl_texture3d = false;
830 Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
833 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
834 if ((gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false)))
835 qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, &gl_max_cube_map_texture_size);
836 // 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)
837 gl_support_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false);
838 // COMMANDLINEOPTION: GL: -nocva disables GL_EXT_compiled_vertex_array (renders faster)
839 gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
840 // 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)
841 gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
843 // COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
844 if ((gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false)))
845 qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy);
847 gl_support_ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
848 gl_support_ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
850 // COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering)
851 if (!(gl_support_separatestencil = (GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true))))
852 gl_support_separatestencil = GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
853 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
854 gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
856 // COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
857 gl_support_arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
859 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
860 if (qglDrawRangeElements == NULL)
861 qglDrawRangeElements = qglDrawRangeElementsEXT;
863 // COMMANDLINEOPTION: GL: -noshaderobjects disables GL_ARB_shader_objects (required for vertex shader and fragment shader)
864 // COMMANDLINEOPTION: GL: -noshadinglanguage100 disables GL_ARB_shading_language_100 (required for vertex shader and fragment shader)
865 // COMMANDLINEOPTION: GL: -novertexshader disables GL_ARB_vertex_shader (allows vertex shader effects)
866 // COMMANDLINEOPTION: GL: -nofragmentshader disables GL_ARB_fragment_shader (allows pixel shader effects, can improve per pixel lighting performance and capabilities)
867 if ((gl_support_shader_objects = GL_CheckExtension("GL_ARB_shader_objects", shaderobjectsfuncs, "-noshaderobjects", false)))
868 if ((gl_support_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false)))
869 if ((gl_support_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false)))
870 gl_support_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false);
873 // LordHavoc: this is blocked on Mac OS X because the drivers claim support but often can't accelerate it or crash when used.
874 // 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)
877 // blacklist this extension on Radeon X1600-X1950 hardware (they support it only with certain filtering/repeat modes)
879 if(gl_support_vertex_shader)
880 qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, &val);
881 gl_support_arb_texture_non_power_of_two = val > 0 && GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
885 // COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations)
886 gl_support_arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false);
889 void Force_CenterView_f (void)
891 cl.viewangles[PITCH] = 0;
894 static int gamma_forcenextframe = false;
895 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
896 static int cachecolorenable, cachehwgamma;
898 unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
899 qboolean vid_gammatables_trivial = true;
900 void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
902 if (cachecolorenable)
904 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
905 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
906 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
910 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
911 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
912 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
915 // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
916 // immensely butchered it to work with variable framerates and fit in with
917 // the rest of darkplaces.
918 if (v_psycho.integer)
922 static float n[3], nd[3], nt[3];
923 static int init = true;
924 unsigned short *ramp;
925 gamma_forcenextframe = true;
929 for (x = 0;x < 3;x++)
931 n[x] = lhrandom(0, 1);
932 nd[x] = (rand()&1)?-0.25:0.25;
933 nt[x] = lhrandom(1, 8.2);
937 for (x = 0;x < 3;x++)
939 nt[x] -= cl.realframetime;
943 nt[x] += lhrandom(1, 8.2);
945 n[x] += nd[x] * cl.realframetime;
949 for (x = 0, ramp = ramps;x < 3;x++)
950 for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize))
951 *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
955 void VID_UpdateGamma(qboolean force, int rampsize)
960 qboolean gamma_changed = false;
962 // LordHavoc: don't mess with gamma tables if running dedicated
963 if (cls.state == ca_dedicated)
966 wantgamma = v_hwgamma.integer;
967 if(r_glsl.integer && v_glslgamma.integer)
969 if(!vid_activewindow)
971 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
972 BOUNDCVAR(v_gamma, 0.1, 5);
973 BOUNDCVAR(v_contrast, 1, 5);
974 BOUNDCVAR(v_brightness, 0, 0.8);
975 BOUNDCVAR(v_contrastboost, 0.0625, 16);
976 BOUNDCVAR(v_color_black_r, 0, 0.8);
977 BOUNDCVAR(v_color_black_g, 0, 0.8);
978 BOUNDCVAR(v_color_black_b, 0, 0.8);
979 BOUNDCVAR(v_color_grey_r, 0, 0.95);
980 BOUNDCVAR(v_color_grey_g, 0, 0.95);
981 BOUNDCVAR(v_color_grey_b, 0, 0.95);
982 BOUNDCVAR(v_color_white_r, 1, 5);
983 BOUNDCVAR(v_color_white_g, 1, 5);
984 BOUNDCVAR(v_color_white_b, 1, 5);
987 // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
988 vid_gammatables_trivial = false;
989 if(v_psycho.integer == 0)
990 if(v_contrastboost.value == 1)
992 if(v_color_enable.integer)
994 if(v_color_black_r.value == 0)
995 if(v_color_black_g.value == 0)
996 if(v_color_black_b.value == 0)
997 if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
998 if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
999 if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
1000 if(v_color_white_r.value == 1)
1001 if(v_color_white_g.value == 1)
1002 if(v_color_white_b.value == 1)
1003 vid_gammatables_trivial = true;
1007 if(v_gamma.value == 1)
1008 if(v_contrast.value == 1)
1009 if(v_brightness.value == 0)
1010 vid_gammatables_trivial = true;
1014 #define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
1015 if(v_psycho.integer)
1016 gamma_changed = true;
1017 GAMMACHECK(cachegamma , v_gamma.value);
1018 GAMMACHECK(cachecontrast , v_contrast.value);
1019 GAMMACHECK(cachebrightness , v_brightness.value);
1020 GAMMACHECK(cachecontrastboost, v_contrastboost.value);
1021 GAMMACHECK(cachecolorenable, v_color_enable.integer);
1022 GAMMACHECK(cacheblack[0] , v_color_black_r.value);
1023 GAMMACHECK(cacheblack[1] , v_color_black_g.value);
1024 GAMMACHECK(cacheblack[2] , v_color_black_b.value);
1025 GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
1026 GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
1027 GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
1028 GAMMACHECK(cachewhite[0] , v_color_white_r.value);
1029 GAMMACHECK(cachewhite[1] , v_color_white_g.value);
1030 GAMMACHECK(cachewhite[2] , v_color_white_b.value);
1033 ++vid_gammatables_serial;
1035 GAMMACHECK(cachehwgamma , wantgamma);
1038 if (!force && !gamma_forcenextframe && !gamma_changed)
1041 gamma_forcenextframe = false;
1045 if (!vid_usinghwgamma)
1047 vid_usinghwgamma = true;
1048 if (vid_gammarampsize != rampsize || !vid_gammaramps)
1050 vid_gammarampsize = rampsize;
1052 Z_Free(vid_gammaramps);
1053 vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short));
1054 vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize;
1056 VID_GetGamma(vid_systemgammaramps, vid_gammarampsize);
1059 VID_BuildGammaTables(vid_gammaramps, vid_gammarampsize);
1061 // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value)
1062 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2);
1063 // if custom gamma ramps failed (Windows stupidity), restore to system gamma
1064 if(!vid_hardwaregammasupported.integer)
1066 if (vid_usinghwgamma)
1068 vid_usinghwgamma = false;
1069 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1075 if (vid_usinghwgamma)
1077 vid_usinghwgamma = false;
1078 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1083 void VID_RestoreSystemGamma(void)
1085 if (vid_usinghwgamma)
1087 vid_usinghwgamma = false;
1088 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
1089 // force gamma situation to be reexamined next frame
1090 gamma_forcenextframe = true;
1094 void VID_Shared_Init(void)
1096 Cvar_RegisterVariable(&vid_hardwaregammasupported);
1097 Cvar_RegisterVariable(&v_gamma);
1098 Cvar_RegisterVariable(&v_brightness);
1099 Cvar_RegisterVariable(&v_contrastboost);
1100 Cvar_RegisterVariable(&v_contrast);
1102 Cvar_RegisterVariable(&v_color_enable);
1103 Cvar_RegisterVariable(&v_color_black_r);
1104 Cvar_RegisterVariable(&v_color_black_g);
1105 Cvar_RegisterVariable(&v_color_black_b);
1106 Cvar_RegisterVariable(&v_color_grey_r);
1107 Cvar_RegisterVariable(&v_color_grey_g);
1108 Cvar_RegisterVariable(&v_color_grey_b);
1109 Cvar_RegisterVariable(&v_color_white_r);
1110 Cvar_RegisterVariable(&v_color_white_g);
1111 Cvar_RegisterVariable(&v_color_white_b);
1113 Cvar_RegisterVariable(&v_hwgamma);
1114 Cvar_RegisterVariable(&v_glslgamma);
1116 Cvar_RegisterVariable(&v_psycho);
1118 Cvar_RegisterVariable(&vid_fullscreen);
1119 Cvar_RegisterVariable(&vid_width);
1120 Cvar_RegisterVariable(&vid_height);
1121 Cvar_RegisterVariable(&vid_bitsperpixel);
1122 Cvar_RegisterVariable(&vid_samples);
1123 Cvar_RegisterVariable(&vid_refreshrate);
1124 Cvar_RegisterVariable(&vid_userefreshrate);
1125 Cvar_RegisterVariable(&vid_stereobuffer);
1126 Cvar_RegisterVariable(&vid_vsync);
1127 Cvar_RegisterVariable(&vid_mouse);
1128 Cvar_RegisterVariable(&vid_grabkeyboard);
1129 Cvar_RegisterVariable(&vid_stick_mouse);
1130 Cvar_RegisterVariable(&vid_resizable);
1131 Cvar_RegisterVariable(&vid_minwidth);
1132 Cvar_RegisterVariable(&vid_minheight);
1133 Cvar_RegisterVariable(&gl_combine);
1134 Cvar_RegisterVariable(&gl_finish);
1135 Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)");
1136 Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)");
1137 if (gamemode == GAME_GOODVSBAD2)
1138 Cvar_Set("gl_combine", "0");
1141 int VID_Mode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer, int samples)
1143 int requestedWidth = width;
1144 int requestedHeight = height;
1145 cl_ignoremousemoves = 2;
1146 Con_Printf("Initializing 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) : "");
1147 if (VID_InitMode(fullscreen, &width, &height, bpp, vid_userefreshrate.integer ? max(1, refreshrate) : 0, stereobuffer, samples))
1149 vid.fullscreen = fullscreen;
1151 vid.height = height;
1152 vid.bitsperpixel = bpp;
1153 vid.samples = samples;
1154 vid.refreshrate = refreshrate;
1155 vid.stereobuffer = stereobuffer;
1156 vid.userefreshrate = vid_userefreshrate.integer;
1157 Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
1158 Cvar_SetValueQuick(&vid_width, width);
1159 Cvar_SetValueQuick(&vid_height, height);
1160 Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
1161 Cvar_SetValueQuick(&vid_samples, samples);
1162 if(vid_userefreshrate.integer)
1163 Cvar_SetValueQuick(&vid_refreshrate, refreshrate);
1164 Cvar_SetValueQuick(&vid_stereobuffer, stereobuffer);
1166 if(width != requestedWidth || height != requestedHeight)
1167 Con_Printf("Chose a similar video mode %dx%d instead of the requested mode %dx%d\n", width, height, requestedWidth, requestedHeight);
1175 static void VID_OpenSystems(void)
1181 static void VID_CloseSystems(void)
1184 R_Modules_Shutdown();
1187 qboolean vid_commandlinecheck = true;
1189 void VID_Restart_f(void)
1191 // don't crash if video hasn't started yet
1192 if (vid_commandlinecheck)
1195 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
1196 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) : "",
1197 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) : "");
1200 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer))
1202 Con_Print("Video mode change failed\n");
1203 if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel, vid.refreshrate, vid.stereobuffer, vid.samples))
1204 Sys_Error("Unable to restore to last working video mode");
1209 const char *vidfallbacks[][2] =
1211 {"vid_stereobuffer", "0"},
1212 {"vid_samples", "1"},
1213 {"vid_userefreshrate", "0"},
1214 {"vid_width", "640"},
1215 {"vid_height", "480"},
1216 {"vid_bitsperpixel", "16"},
1220 // this is only called once by Host_StartVideo
1221 void VID_Start(void)
1223 int i, width, height, success;
1224 if (vid_commandlinecheck)
1226 // interpret command-line parameters
1227 vid_commandlinecheck = false;
1228 // COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
1229 if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
1230 Cvar_SetValueQuick(&vid_fullscreen, false);
1231 // COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
1232 if (COM_CheckParm("-fullscreen"))
1233 Cvar_SetValueQuick(&vid_fullscreen, true);
1236 // 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)
1237 if ((i = COM_CheckParm("-width")) != 0)
1238 width = atoi(com_argv[i+1]);
1239 // 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)
1240 if ((i = COM_CheckParm("-height")) != 0)
1241 height = atoi(com_argv[i+1]);
1243 width = height * 4 / 3;
1245 height = width * 3 / 4;
1247 Cvar_SetValueQuick(&vid_width, width);
1249 Cvar_SetValueQuick(&vid_height, height);
1250 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
1251 if ((i = COM_CheckParm("-bpp")) != 0)
1252 Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
1255 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer);
1258 Con_Print("Desired video mode fail, trying fallbacks...\n");
1259 for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
1261 Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
1262 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer);
1265 Sys_Error("Video modes failed");