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_EXT_framebuffer_object
65 int gl_support_ext_framebuffer_object = false;
66 //GL_ARB_texture_compression
67 int gl_support_texture_compression = false;
68 //GL_ARB_occlusion_query
69 int gl_support_arb_occlusion_query = false;
71 // LordHavoc: if window is hidden, don't update screen
72 qboolean vid_hidden = true;
73 // LordHavoc: if window is not the active window, don't hog as much CPU time,
74 // let go of the mouse, turn off sound, and restore system gamma ramps...
75 qboolean vid_activewindow = true;
77 // we don't know until we try it!
78 cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"};
79 // whether hardware gamma ramps are currently in effect
80 qboolean vid_usinghwgamma = false;
82 int vid_gammarampsize = 0;
83 unsigned short *vid_gammaramps = NULL;
84 unsigned short *vid_systemgammaramps = NULL;
86 cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"};
87 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
88 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
89 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
90 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)"};
91 cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
92 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"};
93 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"};
95 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"};
96 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
97 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)"};
98 cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"};
99 cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"};
100 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)"};
101 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)"};
103 cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
104 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" };
106 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"};
107 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)"};
108 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
109 cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
110 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
111 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
112 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
113 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
114 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
115 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
116 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
117 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
118 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
119 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
120 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"};
121 cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
122 cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
124 // brand of graphics chip
125 const char *gl_vendor;
126 // graphics chip model and other information
127 const char *gl_renderer;
128 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
129 const char *gl_version;
130 // extensions list, space separated
131 const char *gl_extensions;
133 const char *gl_platform;
134 // another extensions list, containing platform-specific extensions that are
135 // not in the main list
136 const char *gl_platformextensions;
137 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
140 // GL_ARB_multitexture
141 void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
142 void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
143 void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
144 void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
145 void (GLAPIENTRY *qglActiveTexture) (GLenum);
146 void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
148 // GL_EXT_compiled_vertex_array
149 void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
150 void (GLAPIENTRY *qglUnlockArraysEXT) (void);
152 // general GL functions
154 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
156 void (GLAPIENTRY *qglClear)(GLbitfield mask);
158 void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
159 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
160 void (GLAPIENTRY *qglCullFace)(GLenum mode);
162 void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
163 void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
164 void (GLAPIENTRY *qglEnable)(GLenum cap);
165 void (GLAPIENTRY *qglDisable)(GLenum cap);
166 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
168 void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
169 void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
171 void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
172 void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
173 void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
174 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
176 GLenum (GLAPIENTRY *qglGetError)(void);
177 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
178 void (GLAPIENTRY *qglFinish)(void);
179 void (GLAPIENTRY *qglFlush)(void);
181 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
182 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
183 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
184 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
185 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
187 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
188 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
189 void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
190 void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
191 void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
192 void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
193 void (GLAPIENTRY *qglArrayElement)(GLint i);
195 void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
196 void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
197 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
198 void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
199 void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
200 void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
201 void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
202 void (GLAPIENTRY *qglBegin)(GLenum mode);
203 void (GLAPIENTRY *qglEnd)(void);
205 void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
206 void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
207 void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
208 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
209 void (GLAPIENTRY *qglPushMatrix)(void);
210 void (GLAPIENTRY *qglPopMatrix)(void);
211 void (GLAPIENTRY *qglLoadIdentity)(void);
212 void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
213 void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
214 void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
215 void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
216 void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
217 void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
218 void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
219 void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
220 void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
221 void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
223 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
225 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
226 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
227 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
228 void (GLAPIENTRY *qglClearStencil)(GLint s);
230 void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
231 void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
232 void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
233 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
234 void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
235 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
236 void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
238 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
239 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
240 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
241 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
242 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
243 GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
244 void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
245 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
247 void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
248 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
249 void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
250 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
251 void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
252 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
253 void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
254 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
257 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
259 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
261 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
262 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);
263 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
265 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
267 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
268 void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
269 void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
271 void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
272 void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
274 //[515]: added on 29.07.2005
275 void (GLAPIENTRY *qglLineWidth)(GLfloat width);
276 void (GLAPIENTRY *qglPointSize)(GLfloat size);
278 void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
280 void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
281 void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
282 void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
284 void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
285 GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname);
286 void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj);
287 GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType);
288 void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length);
289 void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj);
290 GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void);
291 void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj);
292 void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj);
293 void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj);
294 void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj);
295 void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0);
296 void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1);
297 void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
298 void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
299 void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0);
300 void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1);
301 void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2);
302 void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
303 void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value);
304 void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value);
305 void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value);
306 void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value);
307 void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value);
308 void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value);
309 void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value);
310 void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value);
311 void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
312 void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
313 void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
314 void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params);
315 void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params);
316 void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
317 void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
318 GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name);
319 void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
320 void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
321 void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
322 void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
324 //void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0);
325 //void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0);
326 //void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0);
327 //void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1);
328 //void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1);
329 //void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1);
330 //void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
331 //void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
332 //void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
333 //void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
334 //void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
335 //void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
336 //void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
337 //void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v);
338 //void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v);
339 //void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v);
340 //void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v);
341 //void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v);
342 //void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v);
343 //void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v);
344 //void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v);
345 //void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v);
346 //void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v);
347 //void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v);
348 //void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v);
349 //void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v);
350 //void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v);
351 //void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v);
352 //void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v);
353 //void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v);
354 //void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v);
355 //void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v);
356 //void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v);
357 //void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v);
358 //void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v);
359 //void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v);
360 void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
361 void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index);
362 void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index);
363 void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name);
364 void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
365 GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name);
366 //void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params);
367 //void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params);
368 //void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
369 //void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
371 //GL_ARB_vertex_buffer_object
372 void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
373 void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
374 void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
375 GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
376 GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
377 GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
378 void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
379 void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
381 //GL_EXT_framebuffer_object
382 GLboolean (GLAPIENTRY *qglIsRenderbufferEXT)(GLuint renderbuffer);
383 void (GLAPIENTRY *qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer);
384 void (GLAPIENTRY *qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers);
385 void (GLAPIENTRY *qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers);
386 void (GLAPIENTRY *qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
387 void (GLAPIENTRY *qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params);
388 GLboolean (GLAPIENTRY *qglIsFramebufferEXT)(GLuint framebuffer);
389 void (GLAPIENTRY *qglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
390 void (GLAPIENTRY *qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
391 void (GLAPIENTRY *qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
392 GLenum (GLAPIENTRY *qglCheckFramebufferStatusEXT)(GLenum target);
393 void (GLAPIENTRY *qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
394 void (GLAPIENTRY *qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
395 void (GLAPIENTRY *qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
396 void (GLAPIENTRY *qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
397 void (GLAPIENTRY *qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
398 void (GLAPIENTRY *qglGenerateMipmapEXT)(GLenum target);
400 void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
401 void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
402 void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
403 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);
404 void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
405 void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
406 void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
408 void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
409 void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
410 GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
411 void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
412 void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
413 void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
414 void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
415 void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
418 #define sscanf sscanf_s
421 int GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent)
424 const dllfunction_t *func;
425 struct { int major, minor; } min_version, curr_version;
428 if(sscanf(minglver_or_ext, "%d.%d", &min_version.major, &min_version.minor) == 2)
429 ext = 0; // opengl version
430 else if(minglver_or_ext[0] != toupper(minglver_or_ext[0]))
431 ext = -1; // pseudo name
433 ext = 1; // extension name
436 Con_DPrintf("checking for %s... ", minglver_or_ext);
438 Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext);
440 for (func = funcs;func && func->name;func++)
441 *func->funcvariable = NULL;
443 if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
445 Con_DPrint("disabled by commandline\n");
449 if (ext == 1) // opengl extension
451 if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext))
453 Con_DPrint("not detected\n");
458 if(ext == 0) // opengl version
460 sscanf(gl_version, "%d.%d", &curr_version.major, &curr_version.minor);
462 if (curr_version.major < min_version.major || (curr_version.major == min_version.major && curr_version.minor < min_version.minor))
464 Con_DPrintf("not detected (OpenGL %d.%d loaded)\n", curr_version.major, curr_version.minor);
469 for (func = funcs;func && func->name != NULL;func++)
471 // Con_DPrintf("\n %s... ", func->name);
473 // functions are cleared before all the extensions are evaluated
474 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
479 Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
481 Con_DPrintf("OpenGL %s core features are missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
486 // delay the return so it prints all missing functions
489 Con_DPrint("enabled\n");
493 static dllfunction_t opengl110funcs[] =
495 {"glClearColor", (void **) &qglClearColor},
496 {"glClear", (void **) &qglClear},
497 {"glAlphaFunc", (void **) &qglAlphaFunc},
498 {"glBlendFunc", (void **) &qglBlendFunc},
499 {"glCullFace", (void **) &qglCullFace},
500 {"glDrawBuffer", (void **) &qglDrawBuffer},
501 {"glReadBuffer", (void **) &qglReadBuffer},
502 {"glEnable", (void **) &qglEnable},
503 {"glDisable", (void **) &qglDisable},
504 {"glIsEnabled", (void **) &qglIsEnabled},
505 {"glEnableClientState", (void **) &qglEnableClientState},
506 {"glDisableClientState", (void **) &qglDisableClientState},
507 {"glGetBooleanv", (void **) &qglGetBooleanv},
508 {"glGetDoublev", (void **) &qglGetDoublev},
509 {"glGetFloatv", (void **) &qglGetFloatv},
510 {"glGetIntegerv", (void **) &qglGetIntegerv},
511 {"glGetError", (void **) &qglGetError},
512 {"glGetString", (void **) &qglGetString},
513 {"glFinish", (void **) &qglFinish},
514 {"glFlush", (void **) &qglFlush},
515 {"glClearDepth", (void **) &qglClearDepth},
516 {"glDepthFunc", (void **) &qglDepthFunc},
517 {"glDepthMask", (void **) &qglDepthMask},
518 {"glDepthRange", (void **) &qglDepthRange},
519 {"glDrawElements", (void **) &qglDrawElements},
520 {"glColorMask", (void **) &qglColorMask},
521 {"glVertexPointer", (void **) &qglVertexPointer},
522 {"glNormalPointer", (void **) &qglNormalPointer},
523 {"glColorPointer", (void **) &qglColorPointer},
524 {"glTexCoordPointer", (void **) &qglTexCoordPointer},
525 {"glArrayElement", (void **) &qglArrayElement},
526 {"glColor4f", (void **) &qglColor4f},
527 {"glTexCoord1f", (void **) &qglTexCoord1f},
528 {"glTexCoord2f", (void **) &qglTexCoord2f},
529 {"glTexCoord3f", (void **) &qglTexCoord3f},
530 {"glTexCoord4f", (void **) &qglTexCoord4f},
531 {"glVertex2f", (void **) &qglVertex2f},
532 {"glVertex3f", (void **) &qglVertex3f},
533 {"glBegin", (void **) &qglBegin},
534 {"glEnd", (void **) &qglEnd},
535 //[515]: added on 29.07.2005
536 {"glLineWidth", (void**) &qglLineWidth},
537 {"glPointSize", (void**) &qglPointSize},
539 {"glMatrixMode", (void **) &qglMatrixMode},
540 {"glOrtho", (void **) &qglOrtho},
541 {"glFrustum", (void **) &qglFrustum},
542 {"glViewport", (void **) &qglViewport},
543 {"glPushMatrix", (void **) &qglPushMatrix},
544 {"glPopMatrix", (void **) &qglPopMatrix},
545 {"glLoadIdentity", (void **) &qglLoadIdentity},
546 {"glLoadMatrixd", (void **) &qglLoadMatrixd},
547 {"glLoadMatrixf", (void **) &qglLoadMatrixf},
548 {"glMultMatrixd", (void **) &qglMultMatrixd},
549 {"glMultMatrixf", (void **) &qglMultMatrixf},
550 {"glRotated", (void **) &qglRotated},
551 {"glRotatef", (void **) &qglRotatef},
552 {"glScaled", (void **) &qglScaled},
553 {"glScalef", (void **) &qglScalef},
554 {"glTranslated", (void **) &qglTranslated},
555 {"glTranslatef", (void **) &qglTranslatef},
556 {"glReadPixels", (void **) &qglReadPixels},
557 {"glStencilFunc", (void **) &qglStencilFunc},
558 {"glStencilMask", (void **) &qglStencilMask},
559 {"glStencilOp", (void **) &qglStencilOp},
560 {"glClearStencil", (void **) &qglClearStencil},
561 {"glTexEnvf", (void **) &qglTexEnvf},
562 {"glTexEnvfv", (void **) &qglTexEnvfv},
563 {"glTexEnvi", (void **) &qglTexEnvi},
564 {"glTexParameterf", (void **) &qglTexParameterf},
565 {"glTexParameterfv", (void **) &qglTexParameterfv},
566 {"glTexParameteri", (void **) &qglTexParameteri},
567 {"glHint", (void **) &qglHint},
568 {"glPixelStoref", (void **) &qglPixelStoref},
569 {"glPixelStorei", (void **) &qglPixelStorei},
570 {"glGenTextures", (void **) &qglGenTextures},
571 {"glDeleteTextures", (void **) &qglDeleteTextures},
572 {"glBindTexture", (void **) &qglBindTexture},
573 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
574 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
575 {"glIsTexture", (void **) &qglIsTexture},
576 {"glTexImage1D", (void **) &qglTexImage1D},
577 {"glTexImage2D", (void **) &qglTexImage2D},
578 {"glTexSubImage1D", (void **) &qglTexSubImage1D},
579 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
580 {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
581 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
582 {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
583 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
584 {"glScissor", (void **) &qglScissor},
585 {"glPolygonOffset", (void **) &qglPolygonOffset},
586 {"glPolygonMode", (void **) &qglPolygonMode},
587 {"glPolygonStipple", (void **) &qglPolygonStipple},
588 {"glClipPlane", (void **) &qglClipPlane},
589 {"glGetClipPlane", (void **) &qglGetClipPlane},
593 static dllfunction_t drawrangeelementsfuncs[] =
595 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
599 static dllfunction_t drawrangeelementsextfuncs[] =
601 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
605 static dllfunction_t multitexturefuncs[] =
607 {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f},
608 {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
609 {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
610 {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f},
611 {"glActiveTextureARB", (void **) &qglActiveTexture},
612 {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
616 static dllfunction_t compiledvertexarrayfuncs[] =
618 {"glLockArraysEXT", (void **) &qglLockArraysEXT},
619 {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
623 static dllfunction_t texture3dextfuncs[] =
625 {"glTexImage3DEXT", (void **) &qglTexImage3D},
626 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
627 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
631 static dllfunction_t atiseparatestencilfuncs[] =
633 {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
634 {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
638 static dllfunction_t gl2separatestencilfuncs[] =
640 {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
641 {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
645 static dllfunction_t stenciltwosidefuncs[] =
647 {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
651 static dllfunction_t blendequationfuncs[] =
653 {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
657 static dllfunction_t shaderobjectsfuncs[] =
659 {"glDeleteObjectARB", (void **) &qglDeleteObjectARB},
660 {"glGetHandleARB", (void **) &qglGetHandleARB},
661 {"glDetachObjectARB", (void **) &qglDetachObjectARB},
662 {"glCreateShaderObjectARB", (void **) &qglCreateShaderObjectARB},
663 {"glShaderSourceARB", (void **) &qglShaderSourceARB},
664 {"glCompileShaderARB", (void **) &qglCompileShaderARB},
665 {"glCreateProgramObjectARB", (void **) &qglCreateProgramObjectARB},
666 {"glAttachObjectARB", (void **) &qglAttachObjectARB},
667 {"glLinkProgramARB", (void **) &qglLinkProgramARB},
668 {"glUseProgramObjectARB", (void **) &qglUseProgramObjectARB},
669 {"glValidateProgramARB", (void **) &qglValidateProgramARB},
670 {"glUniform1fARB", (void **) &qglUniform1fARB},
671 {"glUniform2fARB", (void **) &qglUniform2fARB},
672 {"glUniform3fARB", (void **) &qglUniform3fARB},
673 {"glUniform4fARB", (void **) &qglUniform4fARB},
674 {"glUniform1iARB", (void **) &qglUniform1iARB},
675 {"glUniform2iARB", (void **) &qglUniform2iARB},
676 {"glUniform3iARB", (void **) &qglUniform3iARB},
677 {"glUniform4iARB", (void **) &qglUniform4iARB},
678 {"glUniform1fvARB", (void **) &qglUniform1fvARB},
679 {"glUniform2fvARB", (void **) &qglUniform2fvARB},
680 {"glUniform3fvARB", (void **) &qglUniform3fvARB},
681 {"glUniform4fvARB", (void **) &qglUniform4fvARB},
682 {"glUniform1ivARB", (void **) &qglUniform1ivARB},
683 {"glUniform2ivARB", (void **) &qglUniform2ivARB},
684 {"glUniform3ivARB", (void **) &qglUniform3ivARB},
685 {"glUniform4ivARB", (void **) &qglUniform4ivARB},
686 {"glUniformMatrix2fvARB", (void **) &qglUniformMatrix2fvARB},
687 {"glUniformMatrix3fvARB", (void **) &qglUniformMatrix3fvARB},
688 {"glUniformMatrix4fvARB", (void **) &qglUniformMatrix4fvARB},
689 {"glGetObjectParameterfvARB", (void **) &qglGetObjectParameterfvARB},
690 {"glGetObjectParameterivARB", (void **) &qglGetObjectParameterivARB},
691 {"glGetInfoLogARB", (void **) &qglGetInfoLogARB},
692 {"glGetAttachedObjectsARB", (void **) &qglGetAttachedObjectsARB},
693 {"glGetUniformLocationARB", (void **) &qglGetUniformLocationARB},
694 {"glGetActiveUniformARB", (void **) &qglGetActiveUniformARB},
695 {"glGetUniformfvARB", (void **) &qglGetUniformfvARB},
696 {"glGetUniformivARB", (void **) &qglGetUniformivARB},
697 {"glGetShaderSourceARB", (void **) &qglGetShaderSourceARB},
701 static dllfunction_t vertexshaderfuncs[] =
703 // {"glVertexAttrib1fARB", (void **) &qglVertexAttrib1fARB},
704 // {"glVertexAttrib1sARB", (void **) &qglVertexAttrib1sARB},
705 // {"glVertexAttrib1dARB", (void **) &qglVertexAttrib1dARB},
706 // {"glVertexAttrib2fARB", (void **) &qglVertexAttrib2fARB},
707 // {"glVertexAttrib2sARB", (void **) &qglVertexAttrib2sARB},
708 // {"glVertexAttrib2dARB", (void **) &qglVertexAttrib2dARB},
709 // {"glVertexAttrib3fARB", (void **) &qglVertexAttrib3fARB},
710 // {"glVertexAttrib3sARB", (void **) &qglVertexAttrib3sARB},
711 // {"glVertexAttrib3dARB", (void **) &qglVertexAttrib3dARB},
712 // {"glVertexAttrib4fARB", (void **) &qglVertexAttrib4fARB},
713 // {"glVertexAttrib4sARB", (void **) &qglVertexAttrib4sARB},
714 // {"glVertexAttrib4dARB", (void **) &qglVertexAttrib4dARB},
715 // {"glVertexAttrib4NubARB", (void **) &qglVertexAttrib4NubARB},
716 // {"glVertexAttrib1fvARB", (void **) &qglVertexAttrib1fvARB},
717 // {"glVertexAttrib1svARB", (void **) &qglVertexAttrib1svARB},
718 // {"glVertexAttrib1dvARB", (void **) &qglVertexAttrib1dvARB},
719 // {"glVertexAttrib2fvARB", (void **) &qglVertexAttrib1fvARB},
720 // {"glVertexAttrib2svARB", (void **) &qglVertexAttrib1svARB},
721 // {"glVertexAttrib2dvARB", (void **) &qglVertexAttrib1dvARB},
722 // {"glVertexAttrib3fvARB", (void **) &qglVertexAttrib1fvARB},
723 // {"glVertexAttrib3svARB", (void **) &qglVertexAttrib1svARB},
724 // {"glVertexAttrib3dvARB", (void **) &qglVertexAttrib1dvARB},
725 // {"glVertexAttrib4fvARB", (void **) &qglVertexAttrib1fvARB},
726 // {"glVertexAttrib4svARB", (void **) &qglVertexAttrib1svARB},
727 // {"glVertexAttrib4dvARB", (void **) &qglVertexAttrib1dvARB},
728 // {"glVertexAttrib4ivARB", (void **) &qglVertexAttrib1ivARB},
729 // {"glVertexAttrib4bvARB", (void **) &qglVertexAttrib1bvARB},
730 // {"glVertexAttrib4ubvARB", (void **) &qglVertexAttrib1ubvARB},
731 // {"glVertexAttrib4usvARB", (void **) &qglVertexAttrib1usvARB},
732 // {"glVertexAttrib4uivARB", (void **) &qglVertexAttrib1uivARB},
733 // {"glVertexAttrib4NbvARB", (void **) &qglVertexAttrib1NbvARB},
734 // {"glVertexAttrib4NsvARB", (void **) &qglVertexAttrib1NsvARB},
735 // {"glVertexAttrib4NivARB", (void **) &qglVertexAttrib1NivARB},
736 // {"glVertexAttrib4NubvARB", (void **) &qglVertexAttrib1NubvARB},
737 // {"glVertexAttrib4NusvARB", (void **) &qglVertexAttrib1NusvARB},
738 // {"glVertexAttrib4NuivARB", (void **) &qglVertexAttrib1NuivARB},
739 {"glVertexAttribPointerARB", (void **) &qglVertexAttribPointerARB},
740 {"glEnableVertexAttribArrayARB", (void **) &qglEnableVertexAttribArrayARB},
741 {"glDisableVertexAttribArrayARB", (void **) &qglDisableVertexAttribArrayARB},
742 {"glBindAttribLocationARB", (void **) &qglBindAttribLocationARB},
743 {"glGetActiveAttribARB", (void **) &qglGetActiveAttribARB},
744 {"glGetAttribLocationARB", (void **) &qglGetAttribLocationARB},
745 // {"glGetVertexAttribdvARB", (void **) &qglGetVertexAttribdvARB},
746 // {"glGetVertexAttribfvARB", (void **) &qglGetVertexAttribfvARB},
747 // {"glGetVertexAttribivARB", (void **) &qglGetVertexAttribivARB},
748 // {"glGetVertexAttribPointervARB", (void **) &qglGetVertexAttribPointervARB},
752 static dllfunction_t vbofuncs[] =
754 {"glBindBufferARB" , (void **) &qglBindBufferARB},
755 {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
756 {"glGenBuffersARB" , (void **) &qglGenBuffersARB},
757 {"glIsBufferARB" , (void **) &qglIsBufferARB},
758 {"glMapBufferARB" , (void **) &qglMapBufferARB},
759 {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB},
760 {"glBufferDataARB" , (void **) &qglBufferDataARB},
761 {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
765 static dllfunction_t fbofuncs[] =
767 {"glIsRenderbufferEXT" , (void **) &qglIsRenderbufferEXT},
768 {"glBindRenderbufferEXT" , (void **) &qglBindRenderbufferEXT},
769 {"glDeleteRenderbuffersEXT" , (void **) &qglDeleteRenderbuffersEXT},
770 {"glGenRenderbuffersEXT" , (void **) &qglGenRenderbuffersEXT},
771 {"glRenderbufferStorageEXT" , (void **) &qglRenderbufferStorageEXT},
772 {"glGetRenderbufferParameterivEXT" , (void **) &qglGetRenderbufferParameterivEXT},
773 {"glIsFramebufferEXT" , (void **) &qglIsFramebufferEXT},
774 {"glBindFramebufferEXT" , (void **) &qglBindFramebufferEXT},
775 {"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffersEXT},
776 {"glGenFramebuffersEXT" , (void **) &qglGenFramebuffersEXT},
777 {"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatusEXT},
778 {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT},
779 {"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2DEXT},
780 {"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3DEXT},
781 {"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbufferEXT},
782 {"glGetFramebufferAttachmentParameterivEXT" , (void **) &qglGetFramebufferAttachmentParameterivEXT},
783 {"glGenerateMipmapEXT" , (void **) &qglGenerateMipmapEXT},
787 static dllfunction_t texturecompressionfuncs[] =
789 {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB},
790 {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB},
791 {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB},
792 {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB},
793 {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB},
794 {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB},
795 {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB},
799 static dllfunction_t occlusionqueryfuncs[] =
801 {"glGenQueriesARB", (void **) &qglGenQueriesARB},
802 {"glDeleteQueriesARB", (void **) &qglDeleteQueriesARB},
803 {"glIsQueryARB", (void **) &qglIsQueryARB},
804 {"glBeginQueryARB", (void **) &qglBeginQueryARB},
805 {"glEndQueryARB", (void **) &qglEndQueryARB},
806 {"glGetQueryivARB", (void **) &qglGetQueryivARB},
807 {"glGetQueryObjectivARB", (void **) &qglGetQueryObjectivARB},
808 {"glGetQueryObjectuivARB", (void **) &qglGetQueryObjectuivARB},
812 void VID_CheckExtensions(void)
814 gl_stencil = vid_bitsperpixel.integer == 32;
816 // reset all the gl extension variables here
817 // this should match the declarations
818 gl_max_texture_size = 0;
819 gl_max_3d_texture_size = 0;
820 gl_max_cube_map_texture_size = 0;
822 gl_combine_extension = false;
823 gl_supportslockarrays = false;
824 gl_texture3d = false;
825 gl_texturecubemap = false;
826 gl_support_arb_texture_non_power_of_two = false;
828 gl_support_clamptoedge = false;
829 gl_support_anisotropy = false;
830 gl_max_anisotropy = 1;
831 gl_support_separatestencil = false;
832 gl_support_stenciltwoside = false;
833 gl_support_ext_blend_minmax = false;
834 gl_support_ext_blend_subtract = false;
835 gl_support_shader_objects = false;
836 gl_support_shading_language_100 = false;
837 gl_support_vertex_shader = false;
838 gl_support_fragment_shader = false;
839 gl_support_arb_vertex_buffer_object = false;
840 gl_support_ext_framebuffer_object = false;
841 gl_support_texture_compression = false;
842 gl_support_arb_occlusion_query = false;
844 if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false))
845 Sys_Error("OpenGL 1.1.0 functions not found");
848 qglGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_max_texture_size);
850 Con_DPrint("Checking OpenGL extensions...\n");
852 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
853 if (!GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true))
854 GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
856 // COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
857 if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
859 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
860 // COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
861 gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
862 // COMMANDLINEOPTION: GL: -nodot3 disables GL_ARB_texture_env_dot3 (required for bumpmapping)
863 if (gl_combine_extension)
864 gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false);
867 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
868 if ((gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false)))
870 qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, &gl_max_3d_texture_size);
871 if (gl_max_3d_texture_size < 32)
873 gl_texture3d = false;
874 Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
877 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
878 if ((gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false)))
879 qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, &gl_max_cube_map_texture_size);
880 // 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)
881 gl_support_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false);
882 // COMMANDLINEOPTION: GL: -nocva disables GL_EXT_compiled_vertex_array (renders faster)
883 gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
884 // 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)
885 gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
887 // COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
888 if ((gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false)))
889 qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy);
891 gl_support_ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
892 gl_support_ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
894 // COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering)
895 if (!(gl_support_separatestencil = (GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true))))
896 gl_support_separatestencil = GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
897 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
898 gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
900 // COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
901 gl_support_arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
903 // COMMANDLINEOPTION: GL: -nofbo disables GL_EXT_framebuffer_object (which accelerates rendering)
904 gl_support_ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", fbofuncs, "-nofbo", false);
906 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
907 if (qglDrawRangeElements == NULL)
908 qglDrawRangeElements = qglDrawRangeElementsEXT;
910 // COMMANDLINEOPTION: GL: -noshaderobjects disables GL_ARB_shader_objects (required for vertex shader and fragment shader)
911 // COMMANDLINEOPTION: GL: -noshadinglanguage100 disables GL_ARB_shading_language_100 (required for vertex shader and fragment shader)
912 // COMMANDLINEOPTION: GL: -novertexshader disables GL_ARB_vertex_shader (allows vertex shader effects)
913 // COMMANDLINEOPTION: GL: -nofragmentshader disables GL_ARB_fragment_shader (allows pixel shader effects, can improve per pixel lighting performance and capabilities)
914 if ((gl_support_shader_objects = GL_CheckExtension("GL_ARB_shader_objects", shaderobjectsfuncs, "-noshaderobjects", false)))
915 if ((gl_support_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false)))
916 if ((gl_support_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false)))
917 gl_support_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false);
920 // LordHavoc: this is blocked on Mac OS X because the drivers claim support but often can't accelerate it or crash when used.
921 // 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)
924 // blacklist this extension on Radeon X1600-X1950 hardware (they support it only with certain filtering/repeat modes)
926 if(gl_support_vertex_shader)
927 qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, &val);
928 gl_support_arb_texture_non_power_of_two = val > 0 && GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
932 // COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations)
933 gl_support_arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false);
936 void Force_CenterView_f (void)
938 cl.viewangles[PITCH] = 0;
941 static int gamma_forcenextframe = false;
942 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
943 static int cachecolorenable, cachehwgamma;
945 unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
946 qboolean vid_gammatables_trivial = true;
947 void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
949 if (cachecolorenable)
951 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
952 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
953 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
957 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
958 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
959 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
962 // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
963 // immensely butchered it to work with variable framerates and fit in with
964 // the rest of darkplaces.
965 if (v_psycho.integer)
969 static float n[3], nd[3], nt[3];
970 static int init = true;
971 unsigned short *ramp;
972 gamma_forcenextframe = true;
976 for (x = 0;x < 3;x++)
978 n[x] = lhrandom(0, 1);
979 nd[x] = (rand()&1)?-0.25:0.25;
980 nt[x] = lhrandom(1, 8.2);
984 for (x = 0;x < 3;x++)
986 nt[x] -= cl.realframetime;
990 nt[x] += lhrandom(1, 8.2);
992 n[x] += nd[x] * cl.realframetime;
996 for (x = 0, ramp = ramps;x < 3;x++)
997 for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize))
998 *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
1002 void VID_UpdateGamma(qboolean force, int rampsize)
1007 qboolean gamma_changed = false;
1009 // LordHavoc: don't mess with gamma tables if running dedicated
1010 if (cls.state == ca_dedicated)
1013 wantgamma = v_hwgamma.integer;
1014 if(r_glsl.integer && v_glslgamma.integer)
1016 if(!vid_activewindow)
1018 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
1019 BOUNDCVAR(v_gamma, 0.1, 5);
1020 BOUNDCVAR(v_contrast, 1, 5);
1021 BOUNDCVAR(v_brightness, 0, 0.8);
1022 //BOUNDCVAR(v_contrastboost, 0.0625, 16);
1023 BOUNDCVAR(v_color_black_r, 0, 0.8);
1024 BOUNDCVAR(v_color_black_g, 0, 0.8);
1025 BOUNDCVAR(v_color_black_b, 0, 0.8);
1026 BOUNDCVAR(v_color_grey_r, 0, 0.95);
1027 BOUNDCVAR(v_color_grey_g, 0, 0.95);
1028 BOUNDCVAR(v_color_grey_b, 0, 0.95);
1029 BOUNDCVAR(v_color_white_r, 1, 5);
1030 BOUNDCVAR(v_color_white_g, 1, 5);
1031 BOUNDCVAR(v_color_white_b, 1, 5);
1034 // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
1035 vid_gammatables_trivial = false;
1036 if(v_psycho.integer == 0)
1037 if(v_contrastboost.value == 1)
1039 if(v_color_enable.integer)
1041 if(v_color_black_r.value == 0)
1042 if(v_color_black_g.value == 0)
1043 if(v_color_black_b.value == 0)
1044 if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
1045 if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
1046 if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
1047 if(v_color_white_r.value == 1)
1048 if(v_color_white_g.value == 1)
1049 if(v_color_white_b.value == 1)
1050 vid_gammatables_trivial = true;
1054 if(v_gamma.value == 1)
1055 if(v_contrast.value == 1)
1056 if(v_brightness.value == 0)
1057 vid_gammatables_trivial = true;
1061 #define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
1062 if(v_psycho.integer)
1063 gamma_changed = true;
1064 GAMMACHECK(cachegamma , v_gamma.value);
1065 GAMMACHECK(cachecontrast , v_contrast.value);
1066 GAMMACHECK(cachebrightness , v_brightness.value);
1067 GAMMACHECK(cachecontrastboost, v_contrastboost.value);
1068 GAMMACHECK(cachecolorenable, v_color_enable.integer);
1069 GAMMACHECK(cacheblack[0] , v_color_black_r.value);
1070 GAMMACHECK(cacheblack[1] , v_color_black_g.value);
1071 GAMMACHECK(cacheblack[2] , v_color_black_b.value);
1072 GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
1073 GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
1074 GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
1075 GAMMACHECK(cachewhite[0] , v_color_white_r.value);
1076 GAMMACHECK(cachewhite[1] , v_color_white_g.value);
1077 GAMMACHECK(cachewhite[2] , v_color_white_b.value);
1080 ++vid_gammatables_serial;
1082 GAMMACHECK(cachehwgamma , wantgamma);
1085 if (!force && !gamma_forcenextframe && !gamma_changed)
1088 gamma_forcenextframe = false;
1092 if (!vid_usinghwgamma)
1094 vid_usinghwgamma = true;
1095 if (vid_gammarampsize != rampsize || !vid_gammaramps)
1097 vid_gammarampsize = rampsize;
1099 Z_Free(vid_gammaramps);
1100 vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short));
1101 vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize;
1103 VID_GetGamma(vid_systemgammaramps, vid_gammarampsize);
1106 VID_BuildGammaTables(vid_gammaramps, vid_gammarampsize);
1108 // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value)
1109 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2);
1110 // if custom gamma ramps failed (Windows stupidity), restore to system gamma
1111 if(!vid_hardwaregammasupported.integer)
1113 if (vid_usinghwgamma)
1115 vid_usinghwgamma = false;
1116 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1122 if (vid_usinghwgamma)
1124 vid_usinghwgamma = false;
1125 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1130 void VID_RestoreSystemGamma(void)
1132 if (vid_usinghwgamma)
1134 vid_usinghwgamma = false;
1135 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
1136 // force gamma situation to be reexamined next frame
1137 gamma_forcenextframe = true;
1141 void VID_Shared_Init(void)
1143 Cvar_RegisterVariable(&vid_hardwaregammasupported);
1144 Cvar_RegisterVariable(&v_gamma);
1145 Cvar_RegisterVariable(&v_brightness);
1146 Cvar_RegisterVariable(&v_contrastboost);
1147 Cvar_RegisterVariable(&v_contrast);
1149 Cvar_RegisterVariable(&v_color_enable);
1150 Cvar_RegisterVariable(&v_color_black_r);
1151 Cvar_RegisterVariable(&v_color_black_g);
1152 Cvar_RegisterVariable(&v_color_black_b);
1153 Cvar_RegisterVariable(&v_color_grey_r);
1154 Cvar_RegisterVariable(&v_color_grey_g);
1155 Cvar_RegisterVariable(&v_color_grey_b);
1156 Cvar_RegisterVariable(&v_color_white_r);
1157 Cvar_RegisterVariable(&v_color_white_g);
1158 Cvar_RegisterVariable(&v_color_white_b);
1160 Cvar_RegisterVariable(&v_hwgamma);
1161 Cvar_RegisterVariable(&v_glslgamma);
1163 Cvar_RegisterVariable(&v_psycho);
1165 Cvar_RegisterVariable(&vid_fullscreen);
1166 Cvar_RegisterVariable(&vid_width);
1167 Cvar_RegisterVariable(&vid_height);
1168 Cvar_RegisterVariable(&vid_bitsperpixel);
1169 Cvar_RegisterVariable(&vid_samples);
1170 Cvar_RegisterVariable(&vid_refreshrate);
1171 Cvar_RegisterVariable(&vid_userefreshrate);
1172 Cvar_RegisterVariable(&vid_stereobuffer);
1173 Cvar_RegisterVariable(&vid_vsync);
1174 Cvar_RegisterVariable(&vid_mouse);
1175 Cvar_RegisterVariable(&vid_grabkeyboard);
1176 Cvar_RegisterVariable(&vid_stick_mouse);
1177 Cvar_RegisterVariable(&vid_resizable);
1178 Cvar_RegisterVariable(&vid_minwidth);
1179 Cvar_RegisterVariable(&vid_minheight);
1180 Cvar_RegisterVariable(&gl_combine);
1181 Cvar_RegisterVariable(&gl_finish);
1182 Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)");
1183 Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)");
1184 if (gamemode == GAME_GOODVSBAD2)
1185 Cvar_Set("gl_combine", "0");
1188 int VID_Mode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer, int samples)
1190 int requestedWidth = width;
1191 int requestedHeight = height;
1192 cl_ignoremousemoves = 2;
1193 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) : "");
1194 if (VID_InitMode(fullscreen, &width, &height, bpp, vid_userefreshrate.integer ? max(1, refreshrate) : 0, stereobuffer, samples))
1196 vid.fullscreen = fullscreen;
1198 vid.height = height;
1199 vid.bitsperpixel = bpp;
1200 vid.samples = samples;
1201 vid.refreshrate = refreshrate;
1202 vid.stereobuffer = stereobuffer;
1203 vid.userefreshrate = vid_userefreshrate.integer;
1204 Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
1205 Cvar_SetValueQuick(&vid_width, width);
1206 Cvar_SetValueQuick(&vid_height, height);
1207 Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
1208 Cvar_SetValueQuick(&vid_samples, samples);
1209 if(vid_userefreshrate.integer)
1210 Cvar_SetValueQuick(&vid_refreshrate, refreshrate);
1211 Cvar_SetValueQuick(&vid_stereobuffer, stereobuffer);
1213 if(width != requestedWidth || height != requestedHeight)
1214 Con_Printf("Chose a similar video mode %dx%d instead of the requested mode %dx%d\n", width, height, requestedWidth, requestedHeight);
1222 static void VID_OpenSystems(void)
1228 static void VID_CloseSystems(void)
1231 R_Modules_Shutdown();
1234 qboolean vid_commandlinecheck = true;
1236 void VID_Restart_f(void)
1238 // don't crash if video hasn't started yet
1239 if (vid_commandlinecheck)
1242 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
1243 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) : "",
1244 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) : "");
1247 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer))
1249 Con_Print("Video mode change failed\n");
1250 if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel, vid.refreshrate, vid.stereobuffer, vid.samples))
1251 Sys_Error("Unable to restore to last working video mode");
1256 const char *vidfallbacks[][2] =
1258 {"vid_stereobuffer", "0"},
1259 {"vid_samples", "1"},
1260 {"vid_userefreshrate", "0"},
1261 {"vid_width", "640"},
1262 {"vid_height", "480"},
1263 {"vid_bitsperpixel", "16"},
1267 // this is only called once by Host_StartVideo
1268 void VID_Start(void)
1270 int i, width, height, success;
1271 if (vid_commandlinecheck)
1273 // interpret command-line parameters
1274 vid_commandlinecheck = false;
1275 // COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
1276 if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
1277 Cvar_SetValueQuick(&vid_fullscreen, false);
1278 // COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
1279 if (COM_CheckParm("-fullscreen"))
1280 Cvar_SetValueQuick(&vid_fullscreen, true);
1283 // 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)
1284 if ((i = COM_CheckParm("-width")) != 0)
1285 width = atoi(com_argv[i+1]);
1286 // 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)
1287 if ((i = COM_CheckParm("-height")) != 0)
1288 height = atoi(com_argv[i+1]);
1290 width = height * 4 / 3;
1292 height = width * 3 / 4;
1294 Cvar_SetValueQuick(&vid_width, width);
1296 Cvar_SetValueQuick(&vid_height, height);
1297 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
1298 if ((i = COM_CheckParm("-bpp")) != 0)
1299 Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
1302 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer);
1305 Con_Print("Desired video mode fail, trying fallbacks...\n");
1306 for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
1308 Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
1309 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer);
1312 Sys_Error("Video modes failed");
1317 int VID_SortModes_Compare(const void *a_, const void *b_)
1319 vid_mode_t *a = (vid_mode_t *) a_;
1320 vid_mode_t *b = (vid_mode_t *) b_;
1321 if(a->width > b->width)
1323 if(a->width < b->width)
1325 if(a->height > b->height)
1327 if(a->height < b->height)
1329 if(a->refreshrate > b->refreshrate)
1331 if(a->refreshrate < b->refreshrate)
1337 if(a->pixelheight_num * b->pixelheight_denom > a->pixelheight_denom * b->pixelheight_num)
1339 if(a->pixelheight_num * b->pixelheight_denom < a->pixelheight_denom * b->pixelheight_num)
1343 size_t VID_SortModes(vid_mode_t *modes, size_t count, qboolean usebpp, qboolean userefreshrate, qboolean useaspect)
1349 qsort(modes, count, sizeof(*modes), VID_SortModes_Compare);
1350 // 2. remove duplicates
1351 for(i = 0; i < count; ++i)
1353 if(modes[i].width && modes[i].height)
1357 if(modes[i].width != modes[i-1].width)
1359 if(modes[i].height != modes[i-1].height)
1362 if(modes[i].refreshrate != modes[i-1].refreshrate)
1365 if(modes[i].bpp != modes[i-1].bpp)
1368 if(modes[i].pixelheight_num * modes[i-1].pixelheight_denom != modes[i].pixelheight_denom * modes[i-1].pixelheight_num)
1371 // a dupe, or a bogus mode!
1373 memmove(&modes[i], &modes[i+1], sizeof(*modes) * (count-1 - i));
1374 --i; // check this index again, as mode i+1 is now here