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 int gl_max_rectangle_texture_size = 0;
24 // GL_ARB_multitexture
25 int gl_textureunits = 1;
26 // GL_ARB_texture_env_combine or GL_EXT_texture_env_combine
27 int gl_combine_extension = false;
28 // GL_EXT_compiled_vertex_array
29 int gl_supportslockarrays = false;
30 // 3D textures available
31 int gl_texture3d = false;
32 // GL_ARB_texture_cubemap
33 int gl_texturecubemap = false;
34 // GL_ARB_texture_rectangle
35 int gl_texturerectangle = false;
36 // GL_ARB_texture_non_power_of_two
37 int gl_support_arb_texture_non_power_of_two = false;
38 // GL_ARB_texture_env_dot3
39 int gl_dot3arb = false;
40 // GL_ARB_depth_texture
41 int gl_depthtexture = false;
43 int gl_support_arb_shadow = false;
44 // GL_SGIS_texture_edge_clamp
45 int gl_support_clamptoedge = false;
46 // GL_EXT_texture_filter_anisotropic
47 int gl_support_anisotropy = false;
48 int gl_max_anisotropy = 1;
49 // OpenGL2.0 core glStencilOpSeparate, or GL_ATI_separate_stencil
50 int gl_support_separatestencil = false;
51 // GL_EXT_stencil_two_side
52 int gl_support_stenciltwoside = false;
53 // GL_EXT_blend_minmax
54 int gl_support_ext_blend_minmax = false;
55 // GL_EXT_blend_subtract
56 int gl_support_ext_blend_subtract = false;
57 // GL_ARB_shader_objects
58 int gl_support_shader_objects = false;
59 // GL_ARB_shading_language_100
60 int gl_support_shading_language_100 = false;
61 // GL_ARB_vertex_shader
62 int gl_support_vertex_shader = false;
63 // GL_ARB_fragment_shader
64 int gl_support_fragment_shader = false;
65 //GL_ARB_vertex_buffer_object
66 int gl_support_arb_vertex_buffer_object = false;
67 //GL_EXT_framebuffer_object
68 int gl_support_ext_framebuffer_object = false;
69 //GL_ARB_texture_compression
70 int gl_support_texture_compression = false;
71 //GL_ARB_occlusion_query
72 int gl_support_arb_occlusion_query = false;
73 //GL_AMD_texture_texture4
74 int gl_support_amd_texture_texture4 = false;
75 //GL_ARB_texture_gather
76 int gl_support_arb_texture_gather = false;
78 // LordHavoc: if window is hidden, don't update screen
79 qboolean vid_hidden = true;
80 // LordHavoc: if window is not the active window, don't hog as much CPU time,
81 // let go of the mouse, turn off sound, and restore system gamma ramps...
82 qboolean vid_activewindow = true;
84 // we don't know until we try it!
85 cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"};
87 // VorteX: more info cvars, mostly set in VID_CheckExtensions
88 cvar_t gl_info_vendor = {CVAR_READONLY, "gl_info_vendor", "", "indicates brand of graphics chip"};
89 cvar_t gl_info_renderer = {CVAR_READONLY, "gl_info_renderer", "", "indicates graphics chip model and other information"};
90 cvar_t gl_info_version = {CVAR_READONLY, "gl_info_version", "", "indicates version of current renderer. begins with 1.0.0, 1.1.0, 1.2.0, 1.3.1 etc."};
91 cvar_t gl_info_extensions = {CVAR_READONLY, "gl_info_extensions", "", "indicates extension list found by engine, space separated."};
92 cvar_t gl_info_platform = {CVAR_READONLY, "gl_info_platform", "", "indicates GL platform: WGL, GLX, or AGL."};
93 cvar_t gl_info_driver = {CVAR_READONLY, "gl_info_driver", "", "name of driver library (opengl32.dll, libGL.so.1, or whatever)."};
95 // whether hardware gamma ramps are currently in effect
96 qboolean vid_usinghwgamma = false;
98 int vid_gammarampsize = 0;
99 unsigned short *vid_gammaramps = NULL;
100 unsigned short *vid_systemgammaramps = NULL;
102 cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"};
103 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
104 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
105 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
106 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)"};
107 cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
108 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"};
109 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"};
111 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"};
112 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
113 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)"};
114 cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"};
115 cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"};
116 cvar_t gl_combine = {0, "gl_combine", "1", "enables faster rendering using GL_ARB_texture_env_combine extension (part of OpenGL 1.3 and above)"};
117 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)"};
119 cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
120 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" };
122 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"};
123 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)"};
124 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
125 cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
126 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
127 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
128 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
129 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
130 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
131 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
132 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
133 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
134 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
135 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
136 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"};
137 cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
138 cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
140 // brand of graphics chip
141 const char *gl_vendor;
142 // graphics chip model and other information
143 const char *gl_renderer;
144 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
145 const char *gl_version;
146 // extensions list, space separated
147 const char *gl_extensions;
149 const char *gl_platform;
150 // another extensions list, containing platform-specific extensions that are
151 // not in the main list
152 const char *gl_platformextensions;
153 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
156 // GL_ARB_multitexture
157 void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
158 void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
159 void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
160 void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
161 void (GLAPIENTRY *qglActiveTexture) (GLenum);
162 void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
164 // GL_EXT_compiled_vertex_array
165 void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
166 void (GLAPIENTRY *qglUnlockArraysEXT) (void);
168 // general GL functions
170 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
172 void (GLAPIENTRY *qglClear)(GLbitfield mask);
174 void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
175 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
176 void (GLAPIENTRY *qglCullFace)(GLenum mode);
178 void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
179 void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
180 void (GLAPIENTRY *qglEnable)(GLenum cap);
181 void (GLAPIENTRY *qglDisable)(GLenum cap);
182 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
184 void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
185 void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
187 void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
188 void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
189 void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
190 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
192 GLenum (GLAPIENTRY *qglGetError)(void);
193 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
194 void (GLAPIENTRY *qglFinish)(void);
195 void (GLAPIENTRY *qglFlush)(void);
197 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
198 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
199 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
200 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
201 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
203 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
204 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
205 void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
206 void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
207 void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
208 void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
209 void (GLAPIENTRY *qglArrayElement)(GLint i);
211 void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
212 void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
213 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
214 void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
215 void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
216 void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
217 void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
218 void (GLAPIENTRY *qglBegin)(GLenum mode);
219 void (GLAPIENTRY *qglEnd)(void);
221 void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
222 void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
223 void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
224 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
225 void (GLAPIENTRY *qglPushMatrix)(void);
226 void (GLAPIENTRY *qglPopMatrix)(void);
227 void (GLAPIENTRY *qglLoadIdentity)(void);
228 void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
229 void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
230 void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
231 void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
232 void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
233 void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
234 void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
235 void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
236 void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
237 void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
239 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
241 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
242 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
243 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
244 void (GLAPIENTRY *qglClearStencil)(GLint s);
246 void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
247 void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
248 void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
249 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
250 void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
251 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
252 void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
254 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
255 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
256 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
257 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
258 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
259 GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
260 void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
261 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
263 //void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
264 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
265 //void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
266 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
267 //void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
268 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
269 //void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
270 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
273 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
275 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
277 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
278 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);
279 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
281 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
283 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
284 void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
285 void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
287 void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
288 void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
290 //[515]: added on 29.07.2005
291 void (GLAPIENTRY *qglLineWidth)(GLfloat width);
292 void (GLAPIENTRY *qglPointSize)(GLfloat size);
294 void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
296 void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
297 void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
298 void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
300 void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
301 GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname);
302 void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj);
303 GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType);
304 void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length);
305 void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj);
306 GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void);
307 void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj);
308 void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj);
309 void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj);
310 void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj);
311 void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0);
312 void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1);
313 void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
314 void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
315 void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0);
316 void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1);
317 void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2);
318 void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
319 void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value);
320 void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value);
321 void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value);
322 void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value);
323 void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value);
324 void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value);
325 void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value);
326 void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value);
327 void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
328 void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
329 void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
330 void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params);
331 void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params);
332 void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
333 void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
334 GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name);
335 void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
336 void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
337 void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
338 void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
340 //void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0);
341 //void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0);
342 //void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0);
343 //void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1);
344 //void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1);
345 //void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1);
346 //void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
347 //void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
348 //void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
349 //void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
350 //void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
351 //void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
352 //void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
353 //void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v);
354 //void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v);
355 //void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v);
356 //void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v);
357 //void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v);
358 //void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v);
359 //void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v);
360 //void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v);
361 //void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v);
362 //void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v);
363 //void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v);
364 //void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v);
365 //void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v);
366 //void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v);
367 //void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v);
368 //void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v);
369 //void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v);
370 //void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v);
371 //void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v);
372 //void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v);
373 //void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v);
374 //void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v);
375 //void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v);
376 void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
377 void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index);
378 void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index);
379 void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name);
380 void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
381 GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name);
382 //void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params);
383 //void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params);
384 //void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
385 //void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
387 //GL_ARB_vertex_buffer_object
388 void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
389 void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
390 void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
391 GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
392 GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
393 GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
394 void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
395 void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
397 //GL_EXT_framebuffer_object
398 GLboolean (GLAPIENTRY *qglIsRenderbufferEXT)(GLuint renderbuffer);
399 void (GLAPIENTRY *qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer);
400 void (GLAPIENTRY *qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers);
401 void (GLAPIENTRY *qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers);
402 void (GLAPIENTRY *qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
403 void (GLAPIENTRY *qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params);
404 GLboolean (GLAPIENTRY *qglIsFramebufferEXT)(GLuint framebuffer);
405 void (GLAPIENTRY *qglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
406 void (GLAPIENTRY *qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
407 void (GLAPIENTRY *qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
408 GLenum (GLAPIENTRY *qglCheckFramebufferStatusEXT)(GLenum target);
409 //void (GLAPIENTRY *qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
410 void (GLAPIENTRY *qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
411 void (GLAPIENTRY *qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
412 void (GLAPIENTRY *qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
413 void (GLAPIENTRY *qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
414 void (GLAPIENTRY *qglGenerateMipmapEXT)(GLenum target);
416 void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
417 void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
418 //void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
419 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);
420 void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
421 //void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
422 void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
424 void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
425 void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
426 GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
427 void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
428 void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
429 void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
430 void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
431 void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
434 #define sscanf sscanf_s
437 int GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent)
440 const dllfunction_t *func;
441 struct { int major, minor; } min_version, curr_version;
442 char extstr[MAX_INPUTLINE];
445 if(sscanf(minglver_or_ext, "%d.%d", &min_version.major, &min_version.minor) == 2)
446 ext = 0; // opengl version
447 else if(minglver_or_ext[0] != toupper(minglver_or_ext[0]))
448 ext = -1; // pseudo name
450 ext = 1; // extension name
453 Con_DPrintf("checking for %s... ", minglver_or_ext);
455 Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext);
457 for (func = funcs;func && func->name;func++)
458 *func->funcvariable = NULL;
460 if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
462 Con_DPrint("disabled by commandline\n");
466 if (ext == 1) // opengl extension
468 if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext))
470 Con_DPrint("not detected\n");
475 if(ext == 0) // opengl version
477 sscanf(gl_version, "%d.%d", &curr_version.major, &curr_version.minor);
479 if (curr_version.major < min_version.major || (curr_version.major == min_version.major && curr_version.minor < min_version.minor))
481 Con_DPrintf("not detected (OpenGL %d.%d loaded)\n", curr_version.major, curr_version.minor);
486 for (func = funcs;func && func->name != NULL;func++)
488 // Con_DPrintf("\n %s... ", func->name);
490 // functions are cleared before all the extensions are evaluated
491 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
496 Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
498 Con_DPrintf("OpenGL %s core features are missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
503 // delay the return so it prints all missing functions
506 // VorteX: add to found extension list
507 dpsnprintf(extstr, sizeof(extstr), "%s %s ", gl_info_extensions.string, minglver_or_ext);
508 Cvar_SetQuick(&gl_info_extensions, extstr);
510 Con_DPrint("enabled\n");
514 static dllfunction_t opengl110funcs[] =
516 {"glClearColor", (void **) &qglClearColor},
517 {"glClear", (void **) &qglClear},
518 {"glAlphaFunc", (void **) &qglAlphaFunc},
519 {"glBlendFunc", (void **) &qglBlendFunc},
520 {"glCullFace", (void **) &qglCullFace},
521 {"glDrawBuffer", (void **) &qglDrawBuffer},
522 {"glReadBuffer", (void **) &qglReadBuffer},
523 {"glEnable", (void **) &qglEnable},
524 {"glDisable", (void **) &qglDisable},
525 {"glIsEnabled", (void **) &qglIsEnabled},
526 {"glEnableClientState", (void **) &qglEnableClientState},
527 {"glDisableClientState", (void **) &qglDisableClientState},
528 {"glGetBooleanv", (void **) &qglGetBooleanv},
529 {"glGetDoublev", (void **) &qglGetDoublev},
530 {"glGetFloatv", (void **) &qglGetFloatv},
531 {"glGetIntegerv", (void **) &qglGetIntegerv},
532 {"glGetError", (void **) &qglGetError},
533 {"glGetString", (void **) &qglGetString},
534 {"glFinish", (void **) &qglFinish},
535 {"glFlush", (void **) &qglFlush},
536 {"glClearDepth", (void **) &qglClearDepth},
537 {"glDepthFunc", (void **) &qglDepthFunc},
538 {"glDepthMask", (void **) &qglDepthMask},
539 {"glDepthRange", (void **) &qglDepthRange},
540 {"glDrawElements", (void **) &qglDrawElements},
541 {"glColorMask", (void **) &qglColorMask},
542 {"glVertexPointer", (void **) &qglVertexPointer},
543 {"glNormalPointer", (void **) &qglNormalPointer},
544 {"glColorPointer", (void **) &qglColorPointer},
545 {"glTexCoordPointer", (void **) &qglTexCoordPointer},
546 {"glArrayElement", (void **) &qglArrayElement},
547 {"glColor4f", (void **) &qglColor4f},
548 {"glTexCoord1f", (void **) &qglTexCoord1f},
549 {"glTexCoord2f", (void **) &qglTexCoord2f},
550 {"glTexCoord3f", (void **) &qglTexCoord3f},
551 {"glTexCoord4f", (void **) &qglTexCoord4f},
552 {"glVertex2f", (void **) &qglVertex2f},
553 {"glVertex3f", (void **) &qglVertex3f},
554 {"glBegin", (void **) &qglBegin},
555 {"glEnd", (void **) &qglEnd},
556 //[515]: added on 29.07.2005
557 {"glLineWidth", (void**) &qglLineWidth},
558 {"glPointSize", (void**) &qglPointSize},
560 {"glMatrixMode", (void **) &qglMatrixMode},
561 {"glOrtho", (void **) &qglOrtho},
562 {"glFrustum", (void **) &qglFrustum},
563 {"glViewport", (void **) &qglViewport},
564 {"glPushMatrix", (void **) &qglPushMatrix},
565 {"glPopMatrix", (void **) &qglPopMatrix},
566 {"glLoadIdentity", (void **) &qglLoadIdentity},
567 {"glLoadMatrixd", (void **) &qglLoadMatrixd},
568 {"glLoadMatrixf", (void **) &qglLoadMatrixf},
569 {"glMultMatrixd", (void **) &qglMultMatrixd},
570 {"glMultMatrixf", (void **) &qglMultMatrixf},
571 {"glRotated", (void **) &qglRotated},
572 {"glRotatef", (void **) &qglRotatef},
573 {"glScaled", (void **) &qglScaled},
574 {"glScalef", (void **) &qglScalef},
575 {"glTranslated", (void **) &qglTranslated},
576 {"glTranslatef", (void **) &qglTranslatef},
577 {"glReadPixels", (void **) &qglReadPixels},
578 {"glStencilFunc", (void **) &qglStencilFunc},
579 {"glStencilMask", (void **) &qglStencilMask},
580 {"glStencilOp", (void **) &qglStencilOp},
581 {"glClearStencil", (void **) &qglClearStencil},
582 {"glTexEnvf", (void **) &qglTexEnvf},
583 {"glTexEnvfv", (void **) &qglTexEnvfv},
584 {"glTexEnvi", (void **) &qglTexEnvi},
585 {"glTexParameterf", (void **) &qglTexParameterf},
586 {"glTexParameterfv", (void **) &qglTexParameterfv},
587 {"glTexParameteri", (void **) &qglTexParameteri},
588 {"glHint", (void **) &qglHint},
589 {"glPixelStoref", (void **) &qglPixelStoref},
590 {"glPixelStorei", (void **) &qglPixelStorei},
591 {"glGenTextures", (void **) &qglGenTextures},
592 {"glDeleteTextures", (void **) &qglDeleteTextures},
593 {"glBindTexture", (void **) &qglBindTexture},
594 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
595 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
596 {"glIsTexture", (void **) &qglIsTexture},
597 // {"glTexImage1D", (void **) &qglTexImage1D},
598 {"glTexImage2D", (void **) &qglTexImage2D},
599 // {"glTexSubImage1D", (void **) &qglTexSubImage1D},
600 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
601 // {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
602 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
603 // {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
604 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
605 {"glScissor", (void **) &qglScissor},
606 {"glPolygonOffset", (void **) &qglPolygonOffset},
607 {"glPolygonMode", (void **) &qglPolygonMode},
608 {"glPolygonStipple", (void **) &qglPolygonStipple},
609 {"glClipPlane", (void **) &qglClipPlane},
610 {"glGetClipPlane", (void **) &qglGetClipPlane},
614 static dllfunction_t drawrangeelementsfuncs[] =
616 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
620 static dllfunction_t drawrangeelementsextfuncs[] =
622 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
626 static dllfunction_t multitexturefuncs[] =
628 {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f},
629 {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
630 {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
631 {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f},
632 {"glActiveTextureARB", (void **) &qglActiveTexture},
633 {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
637 static dllfunction_t compiledvertexarrayfuncs[] =
639 {"glLockArraysEXT", (void **) &qglLockArraysEXT},
640 {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
644 static dllfunction_t texture3dextfuncs[] =
646 {"glTexImage3DEXT", (void **) &qglTexImage3D},
647 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
648 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
652 static dllfunction_t atiseparatestencilfuncs[] =
654 {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
655 {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
659 static dllfunction_t gl2separatestencilfuncs[] =
661 {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
662 {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
666 static dllfunction_t stenciltwosidefuncs[] =
668 {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
672 static dllfunction_t blendequationfuncs[] =
674 {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
678 static dllfunction_t shaderobjectsfuncs[] =
680 {"glDeleteObjectARB", (void **) &qglDeleteObjectARB},
681 {"glGetHandleARB", (void **) &qglGetHandleARB},
682 {"glDetachObjectARB", (void **) &qglDetachObjectARB},
683 {"glCreateShaderObjectARB", (void **) &qglCreateShaderObjectARB},
684 {"glShaderSourceARB", (void **) &qglShaderSourceARB},
685 {"glCompileShaderARB", (void **) &qglCompileShaderARB},
686 {"glCreateProgramObjectARB", (void **) &qglCreateProgramObjectARB},
687 {"glAttachObjectARB", (void **) &qglAttachObjectARB},
688 {"glLinkProgramARB", (void **) &qglLinkProgramARB},
689 {"glUseProgramObjectARB", (void **) &qglUseProgramObjectARB},
690 {"glValidateProgramARB", (void **) &qglValidateProgramARB},
691 {"glUniform1fARB", (void **) &qglUniform1fARB},
692 {"glUniform2fARB", (void **) &qglUniform2fARB},
693 {"glUniform3fARB", (void **) &qglUniform3fARB},
694 {"glUniform4fARB", (void **) &qglUniform4fARB},
695 {"glUniform1iARB", (void **) &qglUniform1iARB},
696 {"glUniform2iARB", (void **) &qglUniform2iARB},
697 {"glUniform3iARB", (void **) &qglUniform3iARB},
698 {"glUniform4iARB", (void **) &qglUniform4iARB},
699 {"glUniform1fvARB", (void **) &qglUniform1fvARB},
700 {"glUniform2fvARB", (void **) &qglUniform2fvARB},
701 {"glUniform3fvARB", (void **) &qglUniform3fvARB},
702 {"glUniform4fvARB", (void **) &qglUniform4fvARB},
703 {"glUniform1ivARB", (void **) &qglUniform1ivARB},
704 {"glUniform2ivARB", (void **) &qglUniform2ivARB},
705 {"glUniform3ivARB", (void **) &qglUniform3ivARB},
706 {"glUniform4ivARB", (void **) &qglUniform4ivARB},
707 {"glUniformMatrix2fvARB", (void **) &qglUniformMatrix2fvARB},
708 {"glUniformMatrix3fvARB", (void **) &qglUniformMatrix3fvARB},
709 {"glUniformMatrix4fvARB", (void **) &qglUniformMatrix4fvARB},
710 {"glGetObjectParameterfvARB", (void **) &qglGetObjectParameterfvARB},
711 {"glGetObjectParameterivARB", (void **) &qglGetObjectParameterivARB},
712 {"glGetInfoLogARB", (void **) &qglGetInfoLogARB},
713 {"glGetAttachedObjectsARB", (void **) &qglGetAttachedObjectsARB},
714 {"glGetUniformLocationARB", (void **) &qglGetUniformLocationARB},
715 {"glGetActiveUniformARB", (void **) &qglGetActiveUniformARB},
716 {"glGetUniformfvARB", (void **) &qglGetUniformfvARB},
717 {"glGetUniformivARB", (void **) &qglGetUniformivARB},
718 {"glGetShaderSourceARB", (void **) &qglGetShaderSourceARB},
722 static dllfunction_t vertexshaderfuncs[] =
724 // {"glVertexAttrib1fARB", (void **) &qglVertexAttrib1fARB},
725 // {"glVertexAttrib1sARB", (void **) &qglVertexAttrib1sARB},
726 // {"glVertexAttrib1dARB", (void **) &qglVertexAttrib1dARB},
727 // {"glVertexAttrib2fARB", (void **) &qglVertexAttrib2fARB},
728 // {"glVertexAttrib2sARB", (void **) &qglVertexAttrib2sARB},
729 // {"glVertexAttrib2dARB", (void **) &qglVertexAttrib2dARB},
730 // {"glVertexAttrib3fARB", (void **) &qglVertexAttrib3fARB},
731 // {"glVertexAttrib3sARB", (void **) &qglVertexAttrib3sARB},
732 // {"glVertexAttrib3dARB", (void **) &qglVertexAttrib3dARB},
733 // {"glVertexAttrib4fARB", (void **) &qglVertexAttrib4fARB},
734 // {"glVertexAttrib4sARB", (void **) &qglVertexAttrib4sARB},
735 // {"glVertexAttrib4dARB", (void **) &qglVertexAttrib4dARB},
736 // {"glVertexAttrib4NubARB", (void **) &qglVertexAttrib4NubARB},
737 // {"glVertexAttrib1fvARB", (void **) &qglVertexAttrib1fvARB},
738 // {"glVertexAttrib1svARB", (void **) &qglVertexAttrib1svARB},
739 // {"glVertexAttrib1dvARB", (void **) &qglVertexAttrib1dvARB},
740 // {"glVertexAttrib2fvARB", (void **) &qglVertexAttrib1fvARB},
741 // {"glVertexAttrib2svARB", (void **) &qglVertexAttrib1svARB},
742 // {"glVertexAttrib2dvARB", (void **) &qglVertexAttrib1dvARB},
743 // {"glVertexAttrib3fvARB", (void **) &qglVertexAttrib1fvARB},
744 // {"glVertexAttrib3svARB", (void **) &qglVertexAttrib1svARB},
745 // {"glVertexAttrib3dvARB", (void **) &qglVertexAttrib1dvARB},
746 // {"glVertexAttrib4fvARB", (void **) &qglVertexAttrib1fvARB},
747 // {"glVertexAttrib4svARB", (void **) &qglVertexAttrib1svARB},
748 // {"glVertexAttrib4dvARB", (void **) &qglVertexAttrib1dvARB},
749 // {"glVertexAttrib4ivARB", (void **) &qglVertexAttrib1ivARB},
750 // {"glVertexAttrib4bvARB", (void **) &qglVertexAttrib1bvARB},
751 // {"glVertexAttrib4ubvARB", (void **) &qglVertexAttrib1ubvARB},
752 // {"glVertexAttrib4usvARB", (void **) &qglVertexAttrib1usvARB},
753 // {"glVertexAttrib4uivARB", (void **) &qglVertexAttrib1uivARB},
754 // {"glVertexAttrib4NbvARB", (void **) &qglVertexAttrib1NbvARB},
755 // {"glVertexAttrib4NsvARB", (void **) &qglVertexAttrib1NsvARB},
756 // {"glVertexAttrib4NivARB", (void **) &qglVertexAttrib1NivARB},
757 // {"glVertexAttrib4NubvARB", (void **) &qglVertexAttrib1NubvARB},
758 // {"glVertexAttrib4NusvARB", (void **) &qglVertexAttrib1NusvARB},
759 // {"glVertexAttrib4NuivARB", (void **) &qglVertexAttrib1NuivARB},
760 {"glVertexAttribPointerARB", (void **) &qglVertexAttribPointerARB},
761 {"glEnableVertexAttribArrayARB", (void **) &qglEnableVertexAttribArrayARB},
762 {"glDisableVertexAttribArrayARB", (void **) &qglDisableVertexAttribArrayARB},
763 {"glBindAttribLocationARB", (void **) &qglBindAttribLocationARB},
764 {"glGetActiveAttribARB", (void **) &qglGetActiveAttribARB},
765 {"glGetAttribLocationARB", (void **) &qglGetAttribLocationARB},
766 // {"glGetVertexAttribdvARB", (void **) &qglGetVertexAttribdvARB},
767 // {"glGetVertexAttribfvARB", (void **) &qglGetVertexAttribfvARB},
768 // {"glGetVertexAttribivARB", (void **) &qglGetVertexAttribivARB},
769 // {"glGetVertexAttribPointervARB", (void **) &qglGetVertexAttribPointervARB},
773 static dllfunction_t vbofuncs[] =
775 {"glBindBufferARB" , (void **) &qglBindBufferARB},
776 {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
777 {"glGenBuffersARB" , (void **) &qglGenBuffersARB},
778 {"glIsBufferARB" , (void **) &qglIsBufferARB},
779 {"glMapBufferARB" , (void **) &qglMapBufferARB},
780 {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB},
781 {"glBufferDataARB" , (void **) &qglBufferDataARB},
782 {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
786 static dllfunction_t fbofuncs[] =
788 {"glIsRenderbufferEXT" , (void **) &qglIsRenderbufferEXT},
789 {"glBindRenderbufferEXT" , (void **) &qglBindRenderbufferEXT},
790 {"glDeleteRenderbuffersEXT" , (void **) &qglDeleteRenderbuffersEXT},
791 {"glGenRenderbuffersEXT" , (void **) &qglGenRenderbuffersEXT},
792 {"glRenderbufferStorageEXT" , (void **) &qglRenderbufferStorageEXT},
793 {"glGetRenderbufferParameterivEXT" , (void **) &qglGetRenderbufferParameterivEXT},
794 {"glIsFramebufferEXT" , (void **) &qglIsFramebufferEXT},
795 {"glBindFramebufferEXT" , (void **) &qglBindFramebufferEXT},
796 {"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffersEXT},
797 {"glGenFramebuffersEXT" , (void **) &qglGenFramebuffersEXT},
798 {"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatusEXT},
799 // {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT},
800 {"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2DEXT},
801 {"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3DEXT},
802 {"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbufferEXT},
803 {"glGetFramebufferAttachmentParameterivEXT" , (void **) &qglGetFramebufferAttachmentParameterivEXT},
804 {"glGenerateMipmapEXT" , (void **) &qglGenerateMipmapEXT},
808 static dllfunction_t texturecompressionfuncs[] =
810 {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB},
811 {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB},
812 // {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB},
813 {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB},
814 {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB},
815 // {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB},
816 {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB},
820 static dllfunction_t occlusionqueryfuncs[] =
822 {"glGenQueriesARB", (void **) &qglGenQueriesARB},
823 {"glDeleteQueriesARB", (void **) &qglDeleteQueriesARB},
824 {"glIsQueryARB", (void **) &qglIsQueryARB},
825 {"glBeginQueryARB", (void **) &qglBeginQueryARB},
826 {"glEndQueryARB", (void **) &qglEndQueryARB},
827 {"glGetQueryivARB", (void **) &qglGetQueryivARB},
828 {"glGetQueryObjectivARB", (void **) &qglGetQueryObjectivARB},
829 {"glGetQueryObjectuivARB", (void **) &qglGetQueryObjectuivARB},
833 void VID_CheckExtensions(void)
835 // VorteX: reset extensions info cvar, it got filled by GL_CheckExtension
836 Cvar_SetQuick(&gl_info_extensions, "");
838 // reset all the gl extension variables here
839 // this should match the declarations
840 gl_max_texture_size = 0;
841 gl_max_3d_texture_size = 0;
842 gl_max_cube_map_texture_size = 0;
844 gl_combine_extension = false;
845 gl_supportslockarrays = false;
846 gl_texture3d = false;
847 gl_texturecubemap = false;
848 gl_texturerectangle = false;
849 gl_support_arb_texture_non_power_of_two = false;
851 gl_depthtexture = false;
852 gl_support_arb_shadow = false;
853 gl_support_clamptoedge = false;
854 gl_support_anisotropy = false;
855 gl_max_anisotropy = 1;
856 gl_support_separatestencil = false;
857 gl_support_stenciltwoside = false;
858 gl_support_ext_blend_minmax = false;
859 gl_support_ext_blend_subtract = false;
860 gl_support_shader_objects = false;
861 gl_support_shading_language_100 = false;
862 gl_support_vertex_shader = false;
863 gl_support_fragment_shader = false;
864 gl_support_arb_vertex_buffer_object = false;
865 gl_support_ext_framebuffer_object = false;
866 gl_support_texture_compression = false;
867 gl_support_arb_occlusion_query = false;
868 gl_support_amd_texture_texture4 = false;
869 gl_support_arb_texture_gather = false;
871 if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false))
872 Sys_Error("OpenGL 1.1.0 functions not found");
875 qglGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_max_texture_size);
877 Con_DPrint("Checking OpenGL extensions...\n");
879 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
880 if (!GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true))
881 GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
883 // COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
884 if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
886 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
887 // COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
888 gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
889 // COMMANDLINEOPTION: GL: -nodot3 disables GL_ARB_texture_env_dot3 (required for bumpmapping)
890 if (gl_combine_extension)
891 gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false);
894 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
895 if ((gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false)))
897 qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, &gl_max_3d_texture_size);
898 if (gl_max_3d_texture_size < 32)
900 gl_texture3d = false;
901 Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
904 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
905 if ((gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false)))
906 qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, &gl_max_cube_map_texture_size);
907 // COMMANDLINEOPTION: GL: -norectangle disables GL_ARB_texture_rectangle (required for bumpmapping)
908 if ((gl_texturerectangle = GL_CheckExtension("GL_ARB_texture_rectangle", NULL, "-norectangle", false)))
909 qglGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &gl_max_rectangle_texture_size);
910 // COMMANDLINEOPTION: GL: -nodepthtexture disables use of GL_ARB_depth_texture (required for shadowmapping)
911 gl_depthtexture = GL_CheckExtension("GL_ARB_depth_texture", NULL, "-nodepthtexture", false);
912 // COMMANDLINEOPTION: GL: -noshadow disables use of GL_ARB_shadow (required for hardware shadowmap filtering)
913 gl_support_arb_shadow = GL_CheckExtension("GL_ARB_shadow", NULL, "-noshadow", false);
915 // 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)
916 gl_support_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false);
917 // COMMANDLINEOPTION: GL: -nocva disables GL_EXT_compiled_vertex_array (renders faster)
918 gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
919 // 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)
920 gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
922 // COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
923 if ((gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false)))
924 qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy);
926 gl_support_ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
927 gl_support_ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
929 // COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering)
930 if (!(gl_support_separatestencil = (GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true))))
931 gl_support_separatestencil = GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
932 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
933 gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
935 // COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
936 gl_support_arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
938 // COMMANDLINEOPTION: GL: -nofbo disables GL_EXT_framebuffer_object (which accelerates rendering)
939 gl_support_ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", fbofuncs, "-nofbo", false);
941 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
942 if (qglDrawRangeElements == NULL)
943 qglDrawRangeElements = qglDrawRangeElementsEXT;
945 // COMMANDLINEOPTION: GL: -noshaderobjects disables GL_ARB_shader_objects (required for vertex shader and fragment shader)
946 // COMMANDLINEOPTION: GL: -noshadinglanguage100 disables GL_ARB_shading_language_100 (required for vertex shader and fragment shader)
947 // COMMANDLINEOPTION: GL: -novertexshader disables GL_ARB_vertex_shader (allows vertex shader effects)
948 // COMMANDLINEOPTION: GL: -nofragmentshader disables GL_ARB_fragment_shader (allows pixel shader effects, can improve per pixel lighting performance and capabilities)
949 if ((gl_support_shader_objects = GL_CheckExtension("GL_ARB_shader_objects", shaderobjectsfuncs, "-noshaderobjects", false)))
950 if ((gl_support_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false)))
951 if ((gl_support_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false)))
952 gl_support_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false);
955 // LordHavoc: this is blocked on Mac OS X because the drivers claim support but often can't accelerate it or crash when used.
956 // 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)
959 // blacklist this extension on Radeon X1600-X1950 hardware (they support it only with certain filtering/repeat modes)
961 if(gl_support_vertex_shader)
962 qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, &val);
963 gl_support_arb_texture_non_power_of_two = val > 0 && GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
967 // COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations)
968 gl_support_arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false);
970 // COMMANDLINEOPTION: GL: -notexture4 disables GL_AMD_texture_texture4 (which provides fetch4 sampling)
971 gl_support_amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", NULL, "-notexture4", false);
972 // COMMANDLINEOPTION: GL: -notexturegather disables GL_ARB_texture_gather (which provides fetch4 sampling)
973 gl_support_arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false);
975 // VorteX: set other info (maybe place them in VID_InitMode?)
976 Cvar_SetQuick(&gl_info_vendor, gl_vendor);
977 Cvar_SetQuick(&gl_info_renderer, gl_renderer);
978 Cvar_SetQuick(&gl_info_version, gl_version);
979 Cvar_SetQuick(&gl_info_platform, gl_platform ? gl_platform : "");
980 Cvar_SetQuick(&gl_info_driver, gl_driver);
983 void Force_CenterView_f (void)
985 cl.viewangles[PITCH] = 0;
988 static int gamma_forcenextframe = false;
989 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
990 static int cachecolorenable, cachehwgamma;
992 unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
993 qboolean vid_gammatables_trivial = true;
994 void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
996 if (cachecolorenable)
998 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
999 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
1000 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
1004 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
1005 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
1006 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
1009 // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
1010 // immensely butchered it to work with variable framerates and fit in with
1011 // the rest of darkplaces.
1012 if (v_psycho.integer)
1016 static float n[3], nd[3], nt[3];
1017 static int init = true;
1018 unsigned short *ramp;
1019 gamma_forcenextframe = true;
1023 for (x = 0;x < 3;x++)
1025 n[x] = lhrandom(0, 1);
1026 nd[x] = (rand()&1)?-0.25:0.25;
1027 nt[x] = lhrandom(1, 8.2);
1031 for (x = 0;x < 3;x++)
1033 nt[x] -= cl.realframetime;
1037 nt[x] += lhrandom(1, 8.2);
1039 n[x] += nd[x] * cl.realframetime;
1040 n[x] -= floor(n[x]);
1043 for (x = 0, ramp = ramps;x < 3;x++)
1044 for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize))
1045 *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
1049 void VID_UpdateGamma(qboolean force, int rampsize)
1054 qboolean gamma_changed = false;
1056 // LordHavoc: don't mess with gamma tables if running dedicated
1057 if (cls.state == ca_dedicated)
1060 wantgamma = v_hwgamma.integer;
1061 if(r_glsl.integer && v_glslgamma.integer)
1063 if(!vid_activewindow)
1065 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
1066 BOUNDCVAR(v_gamma, 0.1, 5);
1067 BOUNDCVAR(v_contrast, 1, 5);
1068 BOUNDCVAR(v_brightness, 0, 0.8);
1069 //BOUNDCVAR(v_contrastboost, 0.0625, 16);
1070 BOUNDCVAR(v_color_black_r, 0, 0.8);
1071 BOUNDCVAR(v_color_black_g, 0, 0.8);
1072 BOUNDCVAR(v_color_black_b, 0, 0.8);
1073 BOUNDCVAR(v_color_grey_r, 0, 0.95);
1074 BOUNDCVAR(v_color_grey_g, 0, 0.95);
1075 BOUNDCVAR(v_color_grey_b, 0, 0.95);
1076 BOUNDCVAR(v_color_white_r, 1, 5);
1077 BOUNDCVAR(v_color_white_g, 1, 5);
1078 BOUNDCVAR(v_color_white_b, 1, 5);
1081 // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
1082 vid_gammatables_trivial = false;
1083 if(v_psycho.integer == 0)
1084 if(v_contrastboost.value == 1)
1086 if(v_color_enable.integer)
1088 if(v_color_black_r.value == 0)
1089 if(v_color_black_g.value == 0)
1090 if(v_color_black_b.value == 0)
1091 if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
1092 if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
1093 if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
1094 if(v_color_white_r.value == 1)
1095 if(v_color_white_g.value == 1)
1096 if(v_color_white_b.value == 1)
1097 vid_gammatables_trivial = true;
1101 if(v_gamma.value == 1)
1102 if(v_contrast.value == 1)
1103 if(v_brightness.value == 0)
1104 vid_gammatables_trivial = true;
1108 #define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
1109 if(v_psycho.integer)
1110 gamma_changed = true;
1111 GAMMACHECK(cachegamma , v_gamma.value);
1112 GAMMACHECK(cachecontrast , v_contrast.value);
1113 GAMMACHECK(cachebrightness , v_brightness.value);
1114 GAMMACHECK(cachecontrastboost, v_contrastboost.value);
1115 GAMMACHECK(cachecolorenable, v_color_enable.integer);
1116 GAMMACHECK(cacheblack[0] , v_color_black_r.value);
1117 GAMMACHECK(cacheblack[1] , v_color_black_g.value);
1118 GAMMACHECK(cacheblack[2] , v_color_black_b.value);
1119 GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
1120 GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
1121 GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
1122 GAMMACHECK(cachewhite[0] , v_color_white_r.value);
1123 GAMMACHECK(cachewhite[1] , v_color_white_g.value);
1124 GAMMACHECK(cachewhite[2] , v_color_white_b.value);
1127 ++vid_gammatables_serial;
1129 GAMMACHECK(cachehwgamma , wantgamma);
1132 if (!force && !gamma_forcenextframe && !gamma_changed)
1135 gamma_forcenextframe = false;
1139 if (!vid_usinghwgamma)
1141 vid_usinghwgamma = true;
1142 if (vid_gammarampsize != rampsize || !vid_gammaramps)
1144 vid_gammarampsize = rampsize;
1146 Z_Free(vid_gammaramps);
1147 vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short));
1148 vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize;
1150 VID_GetGamma(vid_systemgammaramps, vid_gammarampsize);
1153 VID_BuildGammaTables(vid_gammaramps, vid_gammarampsize);
1155 // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value)
1156 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2);
1157 // if custom gamma ramps failed (Windows stupidity), restore to system gamma
1158 if(!vid_hardwaregammasupported.integer)
1160 if (vid_usinghwgamma)
1162 vid_usinghwgamma = false;
1163 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1169 if (vid_usinghwgamma)
1171 vid_usinghwgamma = false;
1172 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1177 void VID_RestoreSystemGamma(void)
1179 if (vid_usinghwgamma)
1181 vid_usinghwgamma = false;
1182 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
1183 // force gamma situation to be reexamined next frame
1184 gamma_forcenextframe = true;
1188 void VID_Shared_Init(void)
1190 Cvar_RegisterVariable(&vid_hardwaregammasupported);
1191 Cvar_RegisterVariable(&gl_info_vendor);
1192 Cvar_RegisterVariable(&gl_info_renderer);
1193 Cvar_RegisterVariable(&gl_info_version);
1194 Cvar_RegisterVariable(&gl_info_extensions);
1195 Cvar_RegisterVariable(&gl_info_platform);
1196 Cvar_RegisterVariable(&gl_info_driver);
1197 Cvar_RegisterVariable(&v_gamma);
1198 Cvar_RegisterVariable(&v_brightness);
1199 Cvar_RegisterVariable(&v_contrastboost);
1200 Cvar_RegisterVariable(&v_contrast);
1202 Cvar_RegisterVariable(&v_color_enable);
1203 Cvar_RegisterVariable(&v_color_black_r);
1204 Cvar_RegisterVariable(&v_color_black_g);
1205 Cvar_RegisterVariable(&v_color_black_b);
1206 Cvar_RegisterVariable(&v_color_grey_r);
1207 Cvar_RegisterVariable(&v_color_grey_g);
1208 Cvar_RegisterVariable(&v_color_grey_b);
1209 Cvar_RegisterVariable(&v_color_white_r);
1210 Cvar_RegisterVariable(&v_color_white_g);
1211 Cvar_RegisterVariable(&v_color_white_b);
1213 Cvar_RegisterVariable(&v_hwgamma);
1214 Cvar_RegisterVariable(&v_glslgamma);
1216 Cvar_RegisterVariable(&v_psycho);
1218 Cvar_RegisterVariable(&vid_fullscreen);
1219 Cvar_RegisterVariable(&vid_width);
1220 Cvar_RegisterVariable(&vid_height);
1221 Cvar_RegisterVariable(&vid_bitsperpixel);
1222 Cvar_RegisterVariable(&vid_samples);
1223 Cvar_RegisterVariable(&vid_refreshrate);
1224 Cvar_RegisterVariable(&vid_userefreshrate);
1225 Cvar_RegisterVariable(&vid_stereobuffer);
1226 Cvar_RegisterVariable(&vid_vsync);
1227 Cvar_RegisterVariable(&vid_mouse);
1228 Cvar_RegisterVariable(&vid_grabkeyboard);
1229 Cvar_RegisterVariable(&vid_stick_mouse);
1230 Cvar_RegisterVariable(&vid_resizable);
1231 Cvar_RegisterVariable(&vid_minwidth);
1232 Cvar_RegisterVariable(&vid_minheight);
1233 Cvar_RegisterVariable(&gl_combine);
1234 Cvar_RegisterVariable(&gl_finish);
1235 Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)");
1236 Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)");
1239 int VID_Mode(int fullscreen, int width, int height, int bpp, float refreshrate, int stereobuffer, int samples)
1242 memset(&mode, 0, sizeof(mode));
1243 mode.fullscreen = fullscreen;
1245 mode.height = height;
1246 mode.bitsperpixel = bpp;
1247 mode.refreshrate = vid_userefreshrate.integer ? max(1, refreshrate) : 0;
1248 mode.userefreshrate = vid_userefreshrate.integer;
1249 mode.stereobuffer = stereobuffer;
1250 mode.samples = samples;
1251 cl_ignoremousemoves = 2;
1252 if (VID_InitMode(&mode))
1254 // accept the (possibly modified) mode
1256 vid.fullscreen = vid.mode.fullscreen;
1257 vid.width = vid.mode.width;
1258 vid.height = vid.mode.height;
1259 vid.bitsperpixel = vid.mode.bitsperpixel;
1260 vid.refreshrate = vid.mode.refreshrate;
1261 vid.userefreshrate = vid.mode.userefreshrate;
1262 vid.stereobuffer = vid.mode.stereobuffer;
1263 vid.samples = vid.mode.samples;
1264 vid.stencil = vid.mode.bitsperpixel > 16;
1265 Con_Printf("Video Mode: %s %dx%dx%dx%.2fhz%s%s\n", mode.fullscreen ? "fullscreen" : "window", mode.width, mode.height, mode.bitsperpixel, mode.refreshrate, mode.stereobuffer ? " stereo" : "", mode.samples > 1 ? va(" (%ix AA)", mode.samples) : "");
1267 Cvar_SetValueQuick(&vid_fullscreen, vid.mode.fullscreen);
1268 Cvar_SetValueQuick(&vid_width, vid.mode.width);
1269 Cvar_SetValueQuick(&vid_height, vid.mode.height);
1270 Cvar_SetValueQuick(&vid_bitsperpixel, vid.mode.bitsperpixel);
1271 Cvar_SetValueQuick(&vid_samples, vid.mode.samples);
1272 if(vid_userefreshrate.integer)
1273 Cvar_SetValueQuick(&vid_refreshrate, vid.mode.refreshrate);
1274 Cvar_SetValueQuick(&vid_stereobuffer, vid.mode.stereobuffer);
1282 static void VID_OpenSystems(void)
1288 static void VID_CloseSystems(void)
1291 R_Modules_Shutdown();
1294 qboolean vid_commandlinecheck = true;
1296 void VID_Restart_f(void)
1298 // don't crash if video hasn't started yet
1299 if (vid_commandlinecheck)
1302 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
1303 vid.mode.fullscreen ? "fullscreen" : "window", vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.fullscreen && vid.mode.userefreshrate ? va("x%.2fhz", vid.mode.refreshrate) : "", vid.mode.samples > 1 ? va(" (%ix AA)", vid.mode.samples) : "",
1304 vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_fullscreen.integer && vid_userefreshrate.integer ? va("x%.2fhz", vid_refreshrate.value) : "", vid_samples.integer > 1 ? va(" (%ix AA)", vid_samples.integer) : "");
1307 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer))
1309 Con_Print("Video mode change failed\n");
1310 if (!VID_Mode(vid.mode.fullscreen, vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.refreshrate, vid.mode.stereobuffer, vid.mode.samples))
1311 Sys_Error("Unable to restore to last working video mode");
1316 const char *vidfallbacks[][2] =
1318 {"vid_stereobuffer", "0"},
1319 {"vid_samples", "1"},
1320 {"vid_userefreshrate", "0"},
1321 {"vid_width", "640"},
1322 {"vid_height", "480"},
1323 {"vid_bitsperpixel", "16"},
1327 // this is only called once by Host_StartVideo
1328 void VID_Start(void)
1330 int i, width, height, success;
1331 if (vid_commandlinecheck)
1333 // interpret command-line parameters
1334 vid_commandlinecheck = false;
1335 // COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
1336 if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
1337 Cvar_SetValueQuick(&vid_fullscreen, false);
1338 // COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
1339 if (COM_CheckParm("-fullscreen"))
1340 Cvar_SetValueQuick(&vid_fullscreen, true);
1343 // 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)
1344 if ((i = COM_CheckParm("-width")) != 0)
1345 width = atoi(com_argv[i+1]);
1346 // 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)
1347 if ((i = COM_CheckParm("-height")) != 0)
1348 height = atoi(com_argv[i+1]);
1350 width = height * 4 / 3;
1352 height = width * 3 / 4;
1354 Cvar_SetValueQuick(&vid_width, width);
1356 Cvar_SetValueQuick(&vid_height, height);
1357 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
1358 if ((i = COM_CheckParm("-bpp")) != 0)
1359 Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
1362 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
1365 Con_Print("Desired video mode fail, trying fallbacks...\n");
1366 for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
1368 Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
1369 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
1372 Sys_Error("Video modes failed");
1377 int VID_SortModes_Compare(const void *a_, const void *b_)
1379 vid_mode_t *a = (vid_mode_t *) a_;
1380 vid_mode_t *b = (vid_mode_t *) b_;
1381 if(a->width > b->width)
1383 if(a->width < b->width)
1385 if(a->height > b->height)
1387 if(a->height < b->height)
1389 if(a->refreshrate > b->refreshrate)
1391 if(a->refreshrate < b->refreshrate)
1397 if(a->pixelheight_num * b->pixelheight_denom > a->pixelheight_denom * b->pixelheight_num)
1399 if(a->pixelheight_num * b->pixelheight_denom < a->pixelheight_denom * b->pixelheight_num)
1403 size_t VID_SortModes(vid_mode_t *modes, size_t count, qboolean usebpp, qboolean userefreshrate, qboolean useaspect)
1409 qsort(modes, count, sizeof(*modes), VID_SortModes_Compare);
1410 // 2. remove duplicates
1411 for(i = 0; i < count; ++i)
1413 if(modes[i].width && modes[i].height)
1417 if(modes[i].width != modes[i-1].width)
1419 if(modes[i].height != modes[i-1].height)
1422 if(modes[i].refreshrate != modes[i-1].refreshrate)
1425 if(modes[i].bpp != modes[i-1].bpp)
1428 if(modes[i].pixelheight_num * modes[i-1].pixelheight_denom != modes[i].pixelheight_denom * modes[i-1].pixelheight_num)
1431 // a dupe, or a bogus mode!
1433 memmove(&modes[i], &modes[i+1], sizeof(*modes) * (count-1 - i));
1434 --i; // check this index again, as mode i+1 is now here