12 #pragma comment(lib, "d3d9.lib")
15 LPDIRECT3DDEVICE9 vid_d3d9dev;
21 // LordHavoc: these are only set in wgl
22 qboolean isG200 = false; // LordHavoc: the Matrox G200 can't do per pixel alpha, and it uses a D3D driver for GL... ugh...
23 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.
25 // AK FIXME -> input_dest
26 qboolean in_client_mouse = true;
28 // AK where should it be placed ?
29 float in_mouse_x, in_mouse_y;
30 float in_windowmouse_x, in_windowmouse_y;
32 // LordHavoc: if window is hidden, don't update screen
33 qboolean vid_hidden = true;
34 // LordHavoc: if window is not the active window, don't hog as much CPU time,
35 // let go of the mouse, turn off sound, and restore system gamma ramps...
36 qboolean vid_activewindow = true;
38 // we don't know until we try it!
39 cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"};
41 // VorteX: more info cvars, mostly set in VID_CheckExtensions
42 cvar_t gl_info_vendor = {CVAR_READONLY, "gl_info_vendor", "", "indicates brand of graphics chip"};
43 cvar_t gl_info_renderer = {CVAR_READONLY, "gl_info_renderer", "", "indicates graphics chip model and other information"};
44 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."};
45 cvar_t gl_info_extensions = {CVAR_READONLY, "gl_info_extensions", "", "indicates extension list found by engine, space separated."};
46 cvar_t gl_info_platform = {CVAR_READONLY, "gl_info_platform", "", "indicates GL platform: WGL, GLX, or AGL."};
47 cvar_t gl_info_driver = {CVAR_READONLY, "gl_info_driver", "", "name of driver library (opengl32.dll, libGL.so.1, or whatever)."};
49 // whether hardware gamma ramps are currently in effect
50 qboolean vid_usinghwgamma = false;
52 int vid_gammarampsize = 0;
53 unsigned short *vid_gammaramps = NULL;
54 unsigned short *vid_systemgammaramps = NULL;
56 cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"};
57 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
58 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
59 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
60 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)"};
61 cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
62 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"};
63 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"};
65 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"};
66 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
67 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)"};
68 cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"};
69 cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"};
70 cvar_t vid_gl13 = {0, "vid_gl13", "1", "enables faster rendering using OpenGL 1.3 features (such as GL_ARB_texture_env_combine extension)"};
71 cvar_t vid_gl20 = {0, "vid_gl20", "1", "enables faster rendering using OpenGL 2.0 features (such as GL_ARB_fragment_shader extension)"};
73 cvar_t vid_cggl = {0, "vid_glcg", "1", "enables faster rendering using the Cg shader library"};
75 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)"};
77 cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
78 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" };
80 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"};
81 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)"};
82 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
83 cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
84 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
85 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
86 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
87 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
88 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
89 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
90 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
91 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
92 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
93 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
94 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"};
95 cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
96 cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
98 // brand of graphics chip
99 const char *gl_vendor;
100 // graphics chip model and other information
101 const char *gl_renderer;
102 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
103 const char *gl_version;
104 // extensions list, space separated
105 const char *gl_extensions;
107 const char *gl_platform;
108 // another extensions list, containing platform-specific extensions that are
109 // not in the main list
110 const char *gl_platformextensions;
111 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
114 // GL_ARB_multitexture
115 void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
116 void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
117 void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
118 void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
119 void (GLAPIENTRY *qglActiveTexture) (GLenum);
120 void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
122 // general GL functions
124 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
126 void (GLAPIENTRY *qglClear)(GLbitfield mask);
128 void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
129 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
130 void (GLAPIENTRY *qglCullFace)(GLenum mode);
132 void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
133 void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
134 void (GLAPIENTRY *qglEnable)(GLenum cap);
135 void (GLAPIENTRY *qglDisable)(GLenum cap);
136 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
138 void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
139 void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
141 void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
142 void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
143 void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
144 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
146 GLenum (GLAPIENTRY *qglGetError)(void);
147 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
148 void (GLAPIENTRY *qglFinish)(void);
149 void (GLAPIENTRY *qglFlush)(void);
151 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
152 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
153 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
154 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
155 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
157 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
158 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
159 void (GLAPIENTRY *qglDrawArrays)(GLenum mode, GLint first, GLsizei count);
160 void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
161 void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
162 void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
163 void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
164 void (GLAPIENTRY *qglArrayElement)(GLint i);
166 void (GLAPIENTRY *qglColor4ub)(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha);
167 void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
168 void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
169 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
170 void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
171 void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
172 void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
173 void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
174 void (GLAPIENTRY *qglVertex4f)(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
175 void (GLAPIENTRY *qglBegin)(GLenum mode);
176 void (GLAPIENTRY *qglEnd)(void);
178 void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
179 //void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
180 //void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
181 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
182 //void (GLAPIENTRY *qglPushMatrix)(void);
183 //void (GLAPIENTRY *qglPopMatrix)(void);
184 void (GLAPIENTRY *qglLoadIdentity)(void);
185 //void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
186 void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
187 //void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
188 //void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
189 //void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
190 //void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
191 //void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
192 //void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
193 //void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
194 //void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
196 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
198 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
199 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
200 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
201 void (GLAPIENTRY *qglClearStencil)(GLint s);
203 void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
204 void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
205 void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
206 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
207 void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
208 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
209 void (GLAPIENTRY *qglGetTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
210 void (GLAPIENTRY *qglGetTexParameteriv)(GLenum target, GLenum pname, GLint *params);
211 void (GLAPIENTRY *qglGetTexLevelParameterfv)(GLenum target, GLint level, GLenum pname, GLfloat *params);
212 void (GLAPIENTRY *qglGetTexLevelParameteriv)(GLenum target, GLint level, GLenum pname, GLint *params);
213 void (GLAPIENTRY *qglGetTexImage)(GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels);
214 void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
216 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
217 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
218 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
219 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
220 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
221 //GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
222 //void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
223 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
225 //void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
226 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
227 //void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
228 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
229 //void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
230 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
231 //void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
232 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
235 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
237 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
239 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
240 void (GLAPIENTRY *qglTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
241 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
243 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
245 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
246 void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
247 void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
249 //void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
250 //void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
252 //[515]: added on 29.07.2005
253 void (GLAPIENTRY *qglLineWidth)(GLfloat width);
254 void (GLAPIENTRY *qglPointSize)(GLfloat size);
256 void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
258 void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
259 void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
260 void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
262 void (GLAPIENTRY *qglDeleteShader)(GLuint obj);
263 void (GLAPIENTRY *qglDeleteProgram)(GLuint obj);
264 //GLuint (GLAPIENTRY *qglGetHandle)(GLenum pname);
265 void (GLAPIENTRY *qglDetachShader)(GLuint containerObj, GLuint attachedObj);
266 GLuint (GLAPIENTRY *qglCreateShader)(GLenum shaderType);
267 void (GLAPIENTRY *qglShaderSource)(GLuint shaderObj, GLsizei count, const GLchar **string, const GLint *length);
268 void (GLAPIENTRY *qglCompileShader)(GLuint shaderObj);
269 GLuint (GLAPIENTRY *qglCreateProgram)(void);
270 void (GLAPIENTRY *qglAttachShader)(GLuint containerObj, GLuint obj);
271 void (GLAPIENTRY *qglLinkProgram)(GLuint programObj);
272 void (GLAPIENTRY *qglUseProgram)(GLuint programObj);
273 void (GLAPIENTRY *qglValidateProgram)(GLuint programObj);
274 void (GLAPIENTRY *qglUniform1f)(GLint location, GLfloat v0);
275 void (GLAPIENTRY *qglUniform2f)(GLint location, GLfloat v0, GLfloat v1);
276 void (GLAPIENTRY *qglUniform3f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
277 void (GLAPIENTRY *qglUniform4f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
278 void (GLAPIENTRY *qglUniform1i)(GLint location, GLint v0);
279 void (GLAPIENTRY *qglUniform2i)(GLint location, GLint v0, GLint v1);
280 void (GLAPIENTRY *qglUniform3i)(GLint location, GLint v0, GLint v1, GLint v2);
281 void (GLAPIENTRY *qglUniform4i)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
282 void (GLAPIENTRY *qglUniform1fv)(GLint location, GLsizei count, const GLfloat *value);
283 void (GLAPIENTRY *qglUniform2fv)(GLint location, GLsizei count, const GLfloat *value);
284 void (GLAPIENTRY *qglUniform3fv)(GLint location, GLsizei count, const GLfloat *value);
285 void (GLAPIENTRY *qglUniform4fv)(GLint location, GLsizei count, const GLfloat *value);
286 void (GLAPIENTRY *qglUniform1iv)(GLint location, GLsizei count, const GLint *value);
287 void (GLAPIENTRY *qglUniform2iv)(GLint location, GLsizei count, const GLint *value);
288 void (GLAPIENTRY *qglUniform3iv)(GLint location, GLsizei count, const GLint *value);
289 void (GLAPIENTRY *qglUniform4iv)(GLint location, GLsizei count, const GLint *value);
290 void (GLAPIENTRY *qglUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
291 void (GLAPIENTRY *qglUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
292 void (GLAPIENTRY *qglUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
293 void (GLAPIENTRY *qglGetShaderiv)(GLuint obj, GLenum pname, GLint *params);
294 void (GLAPIENTRY *qglGetProgramiv)(GLuint obj, GLenum pname, GLint *params);
295 void (GLAPIENTRY *qglGetShaderInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
296 void (GLAPIENTRY *qglGetProgramInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
297 void (GLAPIENTRY *qglGetAttachedShaders)(GLuint containerObj, GLsizei maxCount, GLsizei *count, GLuint *obj);
298 GLint (GLAPIENTRY *qglGetUniformLocation)(GLuint programObj, const GLchar *name);
299 void (GLAPIENTRY *qglGetActiveUniform)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
300 void (GLAPIENTRY *qglGetUniformfv)(GLuint programObj, GLint location, GLfloat *params);
301 void (GLAPIENTRY *qglGetUniformiv)(GLuint programObj, GLint location, GLint *params);
302 void (GLAPIENTRY *qglGetShaderSource)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *source);
304 void (GLAPIENTRY *qglVertexAttrib1f)(GLuint index, GLfloat v0);
305 void (GLAPIENTRY *qglVertexAttrib1s)(GLuint index, GLshort v0);
306 void (GLAPIENTRY *qglVertexAttrib1d)(GLuint index, GLdouble v0);
307 void (GLAPIENTRY *qglVertexAttrib2f)(GLuint index, GLfloat v0, GLfloat v1);
308 void (GLAPIENTRY *qglVertexAttrib2s)(GLuint index, GLshort v0, GLshort v1);
309 void (GLAPIENTRY *qglVertexAttrib2d)(GLuint index, GLdouble v0, GLdouble v1);
310 void (GLAPIENTRY *qglVertexAttrib3f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
311 void (GLAPIENTRY *qglVertexAttrib3s)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
312 void (GLAPIENTRY *qglVertexAttrib3d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
313 void (GLAPIENTRY *qglVertexAttrib4f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
314 void (GLAPIENTRY *qglVertexAttrib4s)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
315 void (GLAPIENTRY *qglVertexAttrib4d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
316 void (GLAPIENTRY *qglVertexAttrib4Nub)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
317 void (GLAPIENTRY *qglVertexAttrib1fv)(GLuint index, const GLfloat *v);
318 void (GLAPIENTRY *qglVertexAttrib1sv)(GLuint index, const GLshort *v);
319 void (GLAPIENTRY *qglVertexAttrib1dv)(GLuint index, const GLdouble *v);
320 void (GLAPIENTRY *qglVertexAttrib2fv)(GLuint index, const GLfloat *v);
321 void (GLAPIENTRY *qglVertexAttrib2sv)(GLuint index, const GLshort *v);
322 void (GLAPIENTRY *qglVertexAttrib2dv)(GLuint index, const GLdouble *v);
323 void (GLAPIENTRY *qglVertexAttrib3fv)(GLuint index, const GLfloat *v);
324 void (GLAPIENTRY *qglVertexAttrib3sv)(GLuint index, const GLshort *v);
325 void (GLAPIENTRY *qglVertexAttrib3dv)(GLuint index, const GLdouble *v);
326 void (GLAPIENTRY *qglVertexAttrib4fv)(GLuint index, const GLfloat *v);
327 void (GLAPIENTRY *qglVertexAttrib4sv)(GLuint index, const GLshort *v);
328 void (GLAPIENTRY *qglVertexAttrib4dv)(GLuint index, const GLdouble *v);
329 void (GLAPIENTRY *qglVertexAttrib4iv)(GLuint index, const GLint *v);
330 void (GLAPIENTRY *qglVertexAttrib4bv)(GLuint index, const GLbyte *v);
331 void (GLAPIENTRY *qglVertexAttrib4ubv)(GLuint index, const GLubyte *v);
332 void (GLAPIENTRY *qglVertexAttrib4usv)(GLuint index, const GLushort *v);
333 void (GLAPIENTRY *qglVertexAttrib4uiv)(GLuint index, const GLuint *v);
334 void (GLAPIENTRY *qglVertexAttrib4Nbv)(GLuint index, const GLbyte *v);
335 void (GLAPIENTRY *qglVertexAttrib4Nsv)(GLuint index, const GLshort *v);
336 void (GLAPIENTRY *qglVertexAttrib4Niv)(GLuint index, const GLint *v);
337 void (GLAPIENTRY *qglVertexAttrib4Nubv)(GLuint index, const GLubyte *v);
338 void (GLAPIENTRY *qglVertexAttrib4Nusv)(GLuint index, const GLushort *v);
339 void (GLAPIENTRY *qglVertexAttrib4Nuiv)(GLuint index, const GLuint *v);
340 void (GLAPIENTRY *qglVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
341 void (GLAPIENTRY *qglEnableVertexAttribArray)(GLuint index);
342 void (GLAPIENTRY *qglDisableVertexAttribArray)(GLuint index);
343 void (GLAPIENTRY *qglBindAttribLocation)(GLuint programObj, GLuint index, const GLchar *name);
344 void (GLAPIENTRY *qglGetActiveAttrib)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
345 GLint (GLAPIENTRY *qglGetAttribLocation)(GLuint programObj, const GLchar *name);
346 void (GLAPIENTRY *qglGetVertexAttribdv)(GLuint index, GLenum pname, GLdouble *params);
347 void (GLAPIENTRY *qglGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat *params);
348 void (GLAPIENTRY *qglGetVertexAttribiv)(GLuint index, GLenum pname, GLint *params);
349 void (GLAPIENTRY *qglGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid **pointer);
351 //GL_ARB_vertex_buffer_object
352 void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
353 void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
354 void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
355 GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
356 GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
357 GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
358 void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
359 void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
361 //GL_EXT_framebuffer_object
362 GLboolean (GLAPIENTRY *qglIsRenderbufferEXT)(GLuint renderbuffer);
363 void (GLAPIENTRY *qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer);
364 void (GLAPIENTRY *qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers);
365 void (GLAPIENTRY *qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers);
366 void (GLAPIENTRY *qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
367 void (GLAPIENTRY *qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params);
368 GLboolean (GLAPIENTRY *qglIsFramebufferEXT)(GLuint framebuffer);
369 void (GLAPIENTRY *qglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
370 void (GLAPIENTRY *qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
371 void (GLAPIENTRY *qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
372 GLenum (GLAPIENTRY *qglCheckFramebufferStatusEXT)(GLenum target);
373 //void (GLAPIENTRY *qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
374 void (GLAPIENTRY *qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
375 void (GLAPIENTRY *qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
376 void (GLAPIENTRY *qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
377 void (GLAPIENTRY *qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
378 void (GLAPIENTRY *qglGenerateMipmapEXT)(GLenum target);
380 void (GLAPIENTRY *qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
382 void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
383 void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
384 //void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
385 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);
386 void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
387 //void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
388 void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
390 void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
391 void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
392 GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
393 void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
394 void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
395 void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
396 void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
397 void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
400 #define sscanf sscanf_s
403 qboolean GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent)
406 const dllfunction_t *func;
407 struct { int major, minor; } min_version, curr_version;
408 char extstr[MAX_INPUTLINE];
411 if(sscanf(minglver_or_ext, "%d.%d", &min_version.major, &min_version.minor) == 2)
412 ext = 0; // opengl version
413 else if(minglver_or_ext[0] != toupper(minglver_or_ext[0]))
414 ext = -1; // pseudo name
416 ext = 1; // extension name
419 Con_DPrintf("checking for %s... ", minglver_or_ext);
421 Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext);
423 for (func = funcs;func && func->name;func++)
424 *func->funcvariable = NULL;
426 if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
428 Con_DPrint("disabled by commandline\n");
432 if (ext == 1) // opengl extension
434 if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext))
436 Con_DPrint("not detected\n");
441 if(ext == 0) // opengl version
443 if (sscanf(gl_version, "%d.%d", &curr_version.major, &curr_version.minor) < 2)
444 curr_version.major = curr_version.minor = 1;
446 if (curr_version.major < min_version.major || (curr_version.major == min_version.major && curr_version.minor < min_version.minor))
448 Con_DPrintf("not detected (OpenGL %d.%d loaded)\n", curr_version.major, curr_version.minor);
453 for (func = funcs;func && func->name != NULL;func++)
455 // Con_DPrintf("\n %s... ", func->name);
457 // functions are cleared before all the extensions are evaluated
458 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
461 Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
463 Con_Printf("OpenGL %s core features are missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
467 // delay the return so it prints all missing functions
470 // VorteX: add to found extension list
471 dpsnprintf(extstr, sizeof(extstr), "%s %s ", gl_info_extensions.string, minglver_or_ext);
472 Cvar_SetQuick(&gl_info_extensions, extstr);
474 Con_DPrint("enabled\n");
478 static dllfunction_t opengl110funcs[] =
480 {"glClearColor", (void **) &qglClearColor},
481 {"glClear", (void **) &qglClear},
482 {"glAlphaFunc", (void **) &qglAlphaFunc},
483 {"glBlendFunc", (void **) &qglBlendFunc},
484 {"glCullFace", (void **) &qglCullFace},
485 {"glDrawBuffer", (void **) &qglDrawBuffer},
486 {"glReadBuffer", (void **) &qglReadBuffer},
487 {"glEnable", (void **) &qglEnable},
488 {"glDisable", (void **) &qglDisable},
489 {"glIsEnabled", (void **) &qglIsEnabled},
490 {"glEnableClientState", (void **) &qglEnableClientState},
491 {"glDisableClientState", (void **) &qglDisableClientState},
492 {"glGetBooleanv", (void **) &qglGetBooleanv},
493 {"glGetDoublev", (void **) &qglGetDoublev},
494 {"glGetFloatv", (void **) &qglGetFloatv},
495 {"glGetIntegerv", (void **) &qglGetIntegerv},
496 {"glGetError", (void **) &qglGetError},
497 {"glGetString", (void **) &qglGetString},
498 {"glFinish", (void **) &qglFinish},
499 {"glFlush", (void **) &qglFlush},
500 {"glClearDepth", (void **) &qglClearDepth},
501 {"glDepthFunc", (void **) &qglDepthFunc},
502 {"glDepthMask", (void **) &qglDepthMask},
503 {"glDepthRange", (void **) &qglDepthRange},
504 {"glDrawElements", (void **) &qglDrawElements},
505 {"glDrawArrays", (void **) &qglDrawArrays},
506 {"glColorMask", (void **) &qglColorMask},
507 {"glVertexPointer", (void **) &qglVertexPointer},
508 {"glNormalPointer", (void **) &qglNormalPointer},
509 {"glColorPointer", (void **) &qglColorPointer},
510 {"glTexCoordPointer", (void **) &qglTexCoordPointer},
511 {"glArrayElement", (void **) &qglArrayElement},
512 {"glColor4ub", (void **) &qglColor4ub},
513 {"glColor4f", (void **) &qglColor4f},
514 {"glTexCoord1f", (void **) &qglTexCoord1f},
515 {"glTexCoord2f", (void **) &qglTexCoord2f},
516 {"glTexCoord3f", (void **) &qglTexCoord3f},
517 {"glTexCoord4f", (void **) &qglTexCoord4f},
518 {"glVertex2f", (void **) &qglVertex2f},
519 {"glVertex3f", (void **) &qglVertex3f},
520 {"glVertex4f", (void **) &qglVertex4f},
521 {"glBegin", (void **) &qglBegin},
522 {"glEnd", (void **) &qglEnd},
523 //[515]: added on 29.07.2005
524 {"glLineWidth", (void**) &qglLineWidth},
525 {"glPointSize", (void**) &qglPointSize},
527 {"glMatrixMode", (void **) &qglMatrixMode},
528 // {"glOrtho", (void **) &qglOrtho},
529 // {"glFrustum", (void **) &qglFrustum},
530 {"glViewport", (void **) &qglViewport},
531 // {"glPushMatrix", (void **) &qglPushMatrix},
532 // {"glPopMatrix", (void **) &qglPopMatrix},
533 {"glLoadIdentity", (void **) &qglLoadIdentity},
534 // {"glLoadMatrixd", (void **) &qglLoadMatrixd},
535 {"glLoadMatrixf", (void **) &qglLoadMatrixf},
536 // {"glMultMatrixd", (void **) &qglMultMatrixd},
537 // {"glMultMatrixf", (void **) &qglMultMatrixf},
538 // {"glRotated", (void **) &qglRotated},
539 // {"glRotatef", (void **) &qglRotatef},
540 // {"glScaled", (void **) &qglScaled},
541 // {"glScalef", (void **) &qglScalef},
542 // {"glTranslated", (void **) &qglTranslated},
543 // {"glTranslatef", (void **) &qglTranslatef},
544 {"glReadPixels", (void **) &qglReadPixels},
545 {"glStencilFunc", (void **) &qglStencilFunc},
546 {"glStencilMask", (void **) &qglStencilMask},
547 {"glStencilOp", (void **) &qglStencilOp},
548 {"glClearStencil", (void **) &qglClearStencil},
549 {"glTexEnvf", (void **) &qglTexEnvf},
550 {"glTexEnvfv", (void **) &qglTexEnvfv},
551 {"glTexEnvi", (void **) &qglTexEnvi},
552 {"glTexParameterf", (void **) &qglTexParameterf},
553 {"glTexParameterfv", (void **) &qglTexParameterfv},
554 {"glTexParameteri", (void **) &qglTexParameteri},
555 {"glGetTexImage", (void **) &qglGetTexImage},
556 {"glGetTexParameterfv", (void **) &qglGetTexParameterfv},
557 {"glGetTexParameteriv", (void **) &qglGetTexParameteriv},
558 {"glGetTexLevelParameterfv", (void **) &qglGetTexLevelParameterfv},
559 {"glGetTexLevelParameteriv", (void **) &qglGetTexLevelParameteriv},
560 {"glHint", (void **) &qglHint},
561 // {"glPixelStoref", (void **) &qglPixelStoref},
562 {"glPixelStorei", (void **) &qglPixelStorei},
563 {"glGenTextures", (void **) &qglGenTextures},
564 {"glDeleteTextures", (void **) &qglDeleteTextures},
565 {"glBindTexture", (void **) &qglBindTexture},
566 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
567 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
568 // {"glIsTexture", (void **) &qglIsTexture},
569 // {"glTexImage1D", (void **) &qglTexImage1D},
570 {"glTexImage2D", (void **) &qglTexImage2D},
571 // {"glTexSubImage1D", (void **) &qglTexSubImage1D},
572 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
573 // {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
574 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
575 // {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
576 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
577 {"glScissor", (void **) &qglScissor},
578 {"glPolygonOffset", (void **) &qglPolygonOffset},
579 {"glPolygonMode", (void **) &qglPolygonMode},
580 {"glPolygonStipple", (void **) &qglPolygonStipple},
581 // {"glClipPlane", (void **) &qglClipPlane},
582 // {"glGetClipPlane", (void **) &qglGetClipPlane},
586 static dllfunction_t drawrangeelementsfuncs[] =
588 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
592 static dllfunction_t drawrangeelementsextfuncs[] =
594 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
598 static dllfunction_t multitexturefuncs[] =
600 {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f},
601 {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
602 {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
603 {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f},
604 {"glActiveTextureARB", (void **) &qglActiveTexture},
605 {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
609 static dllfunction_t texture3dextfuncs[] =
611 {"glTexImage3DEXT", (void **) &qglTexImage3D},
612 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
613 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
617 static dllfunction_t atiseparatestencilfuncs[] =
619 {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
620 {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
624 static dllfunction_t gl2separatestencilfuncs[] =
626 {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
627 {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
631 static dllfunction_t stenciltwosidefuncs[] =
633 {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
637 static dllfunction_t blendequationfuncs[] =
639 {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
643 static dllfunction_t gl20shaderfuncs[] =
645 {"glDeleteShader", (void **) &qglDeleteShader},
646 {"glDeleteProgram", (void **) &qglDeleteProgram},
647 // {"glGetHandle", (void **) &qglGetHandle},
648 {"glDetachShader", (void **) &qglDetachShader},
649 {"glCreateShader", (void **) &qglCreateShader},
650 {"glShaderSource", (void **) &qglShaderSource},
651 {"glCompileShader", (void **) &qglCompileShader},
652 {"glCreateProgram", (void **) &qglCreateProgram},
653 {"glAttachShader", (void **) &qglAttachShader},
654 {"glLinkProgram", (void **) &qglLinkProgram},
655 {"glUseProgram", (void **) &qglUseProgram},
656 {"glValidateProgram", (void **) &qglValidateProgram},
657 {"glUniform1f", (void **) &qglUniform1f},
658 {"glUniform2f", (void **) &qglUniform2f},
659 {"glUniform3f", (void **) &qglUniform3f},
660 {"glUniform4f", (void **) &qglUniform4f},
661 {"glUniform1i", (void **) &qglUniform1i},
662 {"glUniform2i", (void **) &qglUniform2i},
663 {"glUniform3i", (void **) &qglUniform3i},
664 {"glUniform4i", (void **) &qglUniform4i},
665 {"glUniform1fv", (void **) &qglUniform1fv},
666 {"glUniform2fv", (void **) &qglUniform2fv},
667 {"glUniform3fv", (void **) &qglUniform3fv},
668 {"glUniform4fv", (void **) &qglUniform4fv},
669 {"glUniform1iv", (void **) &qglUniform1iv},
670 {"glUniform2iv", (void **) &qglUniform2iv},
671 {"glUniform3iv", (void **) &qglUniform3iv},
672 {"glUniform4iv", (void **) &qglUniform4iv},
673 {"glUniformMatrix2fv", (void **) &qglUniformMatrix2fv},
674 {"glUniformMatrix3fv", (void **) &qglUniformMatrix3fv},
675 {"glUniformMatrix4fv", (void **) &qglUniformMatrix4fv},
676 {"glGetShaderiv", (void **) &qglGetShaderiv},
677 {"glGetProgramiv", (void **) &qglGetProgramiv},
678 {"glGetShaderInfoLog", (void **) &qglGetShaderInfoLog},
679 {"glGetProgramInfoLog", (void **) &qglGetProgramInfoLog},
680 {"glGetAttachedShaders", (void **) &qglGetAttachedShaders},
681 {"glGetUniformLocation", (void **) &qglGetUniformLocation},
682 {"glGetActiveUniform", (void **) &qglGetActiveUniform},
683 {"glGetUniformfv", (void **) &qglGetUniformfv},
684 {"glGetUniformiv", (void **) &qglGetUniformiv},
685 {"glGetShaderSource", (void **) &qglGetShaderSource},
686 {"glVertexAttrib1f", (void **) &qglVertexAttrib1f},
687 {"glVertexAttrib1s", (void **) &qglVertexAttrib1s},
688 {"glVertexAttrib1d", (void **) &qglVertexAttrib1d},
689 {"glVertexAttrib2f", (void **) &qglVertexAttrib2f},
690 {"glVertexAttrib2s", (void **) &qglVertexAttrib2s},
691 {"glVertexAttrib2d", (void **) &qglVertexAttrib2d},
692 {"glVertexAttrib3f", (void **) &qglVertexAttrib3f},
693 {"glVertexAttrib3s", (void **) &qglVertexAttrib3s},
694 {"glVertexAttrib3d", (void **) &qglVertexAttrib3d},
695 {"glVertexAttrib4f", (void **) &qglVertexAttrib4f},
696 {"glVertexAttrib4s", (void **) &qglVertexAttrib4s},
697 {"glVertexAttrib4d", (void **) &qglVertexAttrib4d},
698 {"glVertexAttrib4Nub", (void **) &qglVertexAttrib4Nub},
699 {"glVertexAttrib1fv", (void **) &qglVertexAttrib1fv},
700 {"glVertexAttrib1sv", (void **) &qglVertexAttrib1sv},
701 {"glVertexAttrib1dv", (void **) &qglVertexAttrib1dv},
702 {"glVertexAttrib2fv", (void **) &qglVertexAttrib1fv},
703 {"glVertexAttrib2sv", (void **) &qglVertexAttrib1sv},
704 {"glVertexAttrib2dv", (void **) &qglVertexAttrib1dv},
705 {"glVertexAttrib3fv", (void **) &qglVertexAttrib1fv},
706 {"glVertexAttrib3sv", (void **) &qglVertexAttrib1sv},
707 {"glVertexAttrib3dv", (void **) &qglVertexAttrib1dv},
708 {"glVertexAttrib4fv", (void **) &qglVertexAttrib1fv},
709 {"glVertexAttrib4sv", (void **) &qglVertexAttrib1sv},
710 {"glVertexAttrib4dv", (void **) &qglVertexAttrib1dv},
711 // {"glVertexAttrib4iv", (void **) &qglVertexAttrib1iv},
712 // {"glVertexAttrib4bv", (void **) &qglVertexAttrib1bv},
713 // {"glVertexAttrib4ubv", (void **) &qglVertexAttrib1ubv},
714 // {"glVertexAttrib4usv", (void **) &qglVertexAttrib1usv},
715 // {"glVertexAttrib4uiv", (void **) &qglVertexAttrib1uiv},
716 // {"glVertexAttrib4Nbv", (void **) &qglVertexAttrib1Nbv},
717 // {"glVertexAttrib4Nsv", (void **) &qglVertexAttrib1Nsv},
718 // {"glVertexAttrib4Niv", (void **) &qglVertexAttrib1Niv},
719 // {"glVertexAttrib4Nubv", (void **) &qglVertexAttrib1Nubv},
720 // {"glVertexAttrib4Nusv", (void **) &qglVertexAttrib1Nusv},
721 // {"glVertexAttrib4Nuiv", (void **) &qglVertexAttrib1Nuiv},
722 {"glVertexAttribPointer", (void **) &qglVertexAttribPointer},
723 {"glEnableVertexAttribArray", (void **) &qglEnableVertexAttribArray},
724 {"glDisableVertexAttribArray", (void **) &qglDisableVertexAttribArray},
725 {"glBindAttribLocation", (void **) &qglBindAttribLocation},
726 {"glGetActiveAttrib", (void **) &qglGetActiveAttrib},
727 {"glGetAttribLocation", (void **) &qglGetAttribLocation},
728 {"glGetVertexAttribdv", (void **) &qglGetVertexAttribdv},
729 {"glGetVertexAttribfv", (void **) &qglGetVertexAttribfv},
730 {"glGetVertexAttribiv", (void **) &qglGetVertexAttribiv},
731 {"glGetVertexAttribPointerv", (void **) &qglGetVertexAttribPointerv},
735 static dllfunction_t vbofuncs[] =
737 {"glBindBufferARB" , (void **) &qglBindBufferARB},
738 {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
739 {"glGenBuffersARB" , (void **) &qglGenBuffersARB},
740 {"glIsBufferARB" , (void **) &qglIsBufferARB},
741 {"glMapBufferARB" , (void **) &qglMapBufferARB},
742 {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB},
743 {"glBufferDataARB" , (void **) &qglBufferDataARB},
744 {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
748 static dllfunction_t fbofuncs[] =
750 {"glIsRenderbufferEXT" , (void **) &qglIsRenderbufferEXT},
751 {"glBindRenderbufferEXT" , (void **) &qglBindRenderbufferEXT},
752 {"glDeleteRenderbuffersEXT" , (void **) &qglDeleteRenderbuffersEXT},
753 {"glGenRenderbuffersEXT" , (void **) &qglGenRenderbuffersEXT},
754 {"glRenderbufferStorageEXT" , (void **) &qglRenderbufferStorageEXT},
755 {"glGetRenderbufferParameterivEXT" , (void **) &qglGetRenderbufferParameterivEXT},
756 {"glIsFramebufferEXT" , (void **) &qglIsFramebufferEXT},
757 {"glBindFramebufferEXT" , (void **) &qglBindFramebufferEXT},
758 {"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffersEXT},
759 {"glGenFramebuffersEXT" , (void **) &qglGenFramebuffersEXT},
760 {"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatusEXT},
761 // {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT},
762 {"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2DEXT},
763 {"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3DEXT},
764 {"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbufferEXT},
765 {"glGetFramebufferAttachmentParameterivEXT" , (void **) &qglGetFramebufferAttachmentParameterivEXT},
766 {"glGenerateMipmapEXT" , (void **) &qglGenerateMipmapEXT},
770 static dllfunction_t texturecompressionfuncs[] =
772 {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB},
773 {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB},
774 // {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB},
775 {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB},
776 {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB},
777 // {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB},
778 {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB},
782 static dllfunction_t occlusionqueryfuncs[] =
784 {"glGenQueriesARB", (void **) &qglGenQueriesARB},
785 {"glDeleteQueriesARB", (void **) &qglDeleteQueriesARB},
786 {"glIsQueryARB", (void **) &qglIsQueryARB},
787 {"glBeginQueryARB", (void **) &qglBeginQueryARB},
788 {"glEndQueryARB", (void **) &qglEndQueryARB},
789 {"glGetQueryivARB", (void **) &qglGetQueryivARB},
790 {"glGetQueryObjectivARB", (void **) &qglGetQueryObjectivARB},
791 {"glGetQueryObjectuivARB", (void **) &qglGetQueryObjectuivARB},
795 static dllfunction_t drawbuffersfuncs[] =
797 {"glDrawBuffersARB", (void **) &qglDrawBuffersARB},
801 void VID_ClearExtensions(void)
803 // VorteX: reset extensions info cvar, it got filled by GL_CheckExtension
804 Cvar_SetQuick(&gl_info_extensions, "");
806 // clear the extension flags
807 memset(&vid.support, 0, sizeof(vid.support));
808 vid.renderpath = RENDERPATH_GL11;
809 vid.useinterleavedarrays = false;
810 vid.forcevbo = false;
811 vid.maxtexturesize_2d = 0;
812 vid.maxtexturesize_3d = 0;
813 vid.maxtexturesize_cubemap = 0;
815 vid.teximageunits = 1;
816 vid.texarrayunits = 1;
817 vid.max_anisotropy = 1;
818 vid.maxdrawbuffers = 1;
820 // this is a complete list of all functions that are directly checked in the renderer
821 qglDrawRangeElements = NULL;
822 qglDrawBuffer = NULL;
823 qglPolygonStipple = NULL;
825 qglActiveTexture = NULL;
826 qglGetCompressedTexImageARB = NULL;
827 qglFramebufferTexture2DEXT = NULL;
828 qglDrawBuffersARB = NULL;
831 void VID_CheckExtensions(void)
833 if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false))
834 Sys_Error("OpenGL 1.1.0 functions not found");
835 vid.support.gl20shaders = GL_CheckExtension("2.0", gl20shaderfuncs, "-noshaders", false);
839 Con_DPrint("Checking OpenGL extensions...\n");
841 vid.support.amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", NULL, "-notexture4", false);
842 vid.support.arb_depth_texture = GL_CheckExtension("GL_ARB_depth_texture", NULL, "-nodepthtexture", false);
843 vid.support.arb_draw_buffers = GL_CheckExtension("GL_ARB_draw_buffers", drawbuffersfuncs, "-nodrawbuffers", false);
844 vid.support.arb_multitexture = GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false);
845 vid.support.arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false);
846 vid.support.arb_shadow = GL_CheckExtension("GL_ARB_shadow", NULL, "-noshadow", false);
847 vid.support.arb_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false);
848 vid.support.arb_texture_cube_map = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
849 vid.support.arb_texture_env_combine = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
850 vid.support.arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false);
851 vid.support.arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
852 vid.support.arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
853 vid.support.ati_separate_stencil = GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true) || GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
854 vid.support.ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
855 vid.support.ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
856 vid.support.ext_draw_range_elements = GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true) || GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
857 vid.support.ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", fbofuncs, "-nofbo", false);
858 vid.support.ext_stencil_two_side = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
859 vid.support.ext_texture_3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
860 vid.support.ext_texture_compression_s3tc = GL_CheckExtension("GL_EXT_texture_compression_s3tc", NULL, "-nos3tc", false);
861 vid.support.ext_texture_edge_clamp = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
862 vid.support.ext_texture_filter_anisotropic = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false);
863 // COMMANDLINEOPTION: GL: -noshaders disables use of OpenGL 2.0 shaders (which allow pixel shader effects, can improve per pixel lighting performance and capabilities)
864 // COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
865 // COMMANDLINEOPTION: GL: -noblendminmax disables GL_EXT_blend_minmax
866 // COMMANDLINEOPTION: GL: -noblendsubtract disables GL_EXT_blend_subtract
867 // COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
868 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
869 // COMMANDLINEOPTION: GL: -nodepthtexture disables use of GL_ARB_depth_texture (required for shadowmapping)
870 // COMMANDLINEOPTION: GL: -nodrawbuffers disables use of GL_ARB_draw_buffers (required for r_shadow_deferredprepass)
871 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
872 // 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)
873 // COMMANDLINEOPTION: GL: -nofbo disables GL_EXT_framebuffer_object (which accelerates rendering), only used if GL_ARB_fragment_shader is also available
874 // COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
875 // COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations)
876 // COMMANDLINEOPTION: GL: -nos3tc disables GL_EXT_texture_compression_s3tc (which allows use of .dds texture caching)
877 // COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering)
878 // COMMANDLINEOPTION: GL: -noshadow disables use of GL_ARB_shadow (required for hardware shadowmap filtering)
879 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
880 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
881 // COMMANDLINEOPTION: GL: -notexture4 disables GL_AMD_texture_texture4 (which provides fetch4 sampling)
882 // 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)
883 // COMMANDLINEOPTION: GL: -notexturegather disables GL_ARB_texture_gather (which provides fetch4 sampling)
884 // 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)
885 // COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
887 if (vid.support.arb_draw_buffers)
888 qglGetIntegerv(GL_MAX_DRAW_BUFFERS_ARB, (GLint*)&vid.maxdrawbuffers);
890 // disable non-power-of-two textures on Radeon X1600 and other cards that do not accelerate it with some filtering modes / repeat modes that we use
891 // we detect these cards by checking if the hardware supports vertex texture fetch (Geforce6 does, Radeon X1600 does not, all GL3-class hardware does)
892 if(vid.support.arb_texture_non_power_of_two && vid.support.gl20shaders)
895 qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &val);CHECKGLERROR
897 vid.support.arb_texture_non_power_of_two = false;
900 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
901 if (qglDrawRangeElements == NULL)
902 qglDrawRangeElements = qglDrawRangeElementsEXT;
904 qglGetIntegerv(GL_MAX_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_2d);
905 if (vid.support.ext_texture_filter_anisotropic)
906 qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, (GLint*)&vid.max_anisotropy);
907 if (vid.support.arb_texture_cube_map)
908 qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, (GLint*)&vid.maxtexturesize_cubemap);
909 if (vid.support.ext_texture_3d)
910 qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_3d);
912 // verify that 3d textures are really supported
913 if (vid.support.ext_texture_3d && vid.maxtexturesize_3d < 32)
915 vid.support.ext_texture_3d = false;
916 Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
919 vid.texunits = vid.teximageunits = vid.texarrayunits = 1;
920 if (vid.support.arb_multitexture)
921 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
922 if (vid_gl20.integer && vid.support.gl20shaders)
924 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
925 qglGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, (int *)&vid.teximageunits);CHECKGLERROR
926 qglGetIntegerv(GL_MAX_TEXTURE_COORDS, (int *)&vid.texarrayunits);CHECKGLERROR
927 vid.texunits = bound(4, vid.texunits, MAX_TEXTUREUNITS);
928 vid.teximageunits = bound(16, vid.teximageunits, MAX_TEXTUREUNITS);
929 vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS);
930 Con_DPrintf("Using GL2.0 rendering path - %i texture matrix, %i texture images, %i texcoords%s\n", vid.texunits, vid.teximageunits, vid.texarrayunits, vid.support.ext_framebuffer_object ? ", shadowmapping supported" : "");
931 vid.renderpath = RENDERPATH_GL20;
932 vid.useinterleavedarrays = false;
935 else if (vid_cggl.integer && (vid.cgcontext = cgCreateContext()))
938 vid.teximageunits = 16;
939 vid.texarrayunits = 8;
940 Con_DPrintf("Using NVIDIA Cg rendering path - %i texture matrix, %i texture images, %i texcoords%s\n", vid.texunits, vid.teximageunits, vid.texarrayunits, vid.support.ext_framebuffer_object ? ", shadowmapping supported" : "");
941 vid.renderpath = RENDERPATH_CGGL;
942 vid.useinterleavedarrays = false;
945 else if (vid.support.arb_texture_env_combine && vid.texunits >= 2 && vid_gl13.integer)
947 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
948 vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS);
949 vid.teximageunits = vid.texunits;
950 vid.texarrayunits = vid.texunits;
951 Con_DPrintf("Using GL1.3 rendering path - %i texture units, single pass rendering\n", vid.texunits);
952 vid.renderpath = RENDERPATH_GL13;
953 vid.useinterleavedarrays = false;
957 vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS);
958 vid.teximageunits = vid.texunits;
959 vid.texarrayunits = vid.texunits;
960 Con_DPrintf("Using GL1.1 rendering path - %i texture units, two pass rendering\n", vid.texunits);
961 vid.renderpath = RENDERPATH_GL11;
962 vid.useinterleavedarrays = false;
965 // VorteX: set other info (maybe place them in VID_InitMode?)
966 Cvar_SetQuick(&gl_info_vendor, gl_vendor);
967 Cvar_SetQuick(&gl_info_renderer, gl_renderer);
968 Cvar_SetQuick(&gl_info_version, gl_version);
969 Cvar_SetQuick(&gl_info_platform, gl_platform ? gl_platform : "");
970 Cvar_SetQuick(&gl_info_driver, gl_driver);
973 void Force_CenterView_f (void)
975 cl.viewangles[PITCH] = 0;
978 static int gamma_forcenextframe = false;
979 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
980 static int cachecolorenable, cachehwgamma;
982 unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
983 qboolean vid_gammatables_trivial = true;
984 void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
986 if (cachecolorenable)
988 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
989 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
990 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
994 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
995 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
996 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
999 // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
1000 // immensely butchered it to work with variable framerates and fit in with
1001 // the rest of darkplaces.
1002 if (v_psycho.integer)
1006 static float n[3], nd[3], nt[3];
1007 static int init = true;
1008 unsigned short *ramp;
1009 gamma_forcenextframe = true;
1013 for (x = 0;x < 3;x++)
1015 n[x] = lhrandom(0, 1);
1016 nd[x] = (rand()&1)?-0.25:0.25;
1017 nt[x] = lhrandom(1, 8.2);
1021 for (x = 0;x < 3;x++)
1023 nt[x] -= cl.realframetime;
1027 nt[x] += lhrandom(1, 8.2);
1029 n[x] += nd[x] * cl.realframetime;
1030 n[x] -= floor(n[x]);
1033 for (x = 0, ramp = ramps;x < 3;x++)
1034 for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize))
1035 *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
1039 void VID_UpdateGamma(qboolean force, int rampsize)
1044 qboolean gamma_changed = false;
1046 // LordHavoc: don't mess with gamma tables if running dedicated
1047 if (cls.state == ca_dedicated)
1050 wantgamma = v_hwgamma.integer;
1051 switch(vid.renderpath)
1053 case RENDERPATH_GL20:
1054 case RENDERPATH_CGGL:
1055 case RENDERPATH_D3D9:
1056 case RENDERPATH_D3D10:
1057 case RENDERPATH_D3D11:
1058 case RENDERPATH_SOFT:
1059 case RENDERPATH_GLES2:
1060 if (v_glslgamma.integer)
1063 case RENDERPATH_GL13:
1064 case RENDERPATH_GL11:
1067 if(!vid_activewindow)
1069 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
1070 BOUNDCVAR(v_gamma, 0.1, 5);
1071 BOUNDCVAR(v_contrast, 1, 5);
1072 BOUNDCVAR(v_brightness, 0, 0.8);
1073 //BOUNDCVAR(v_contrastboost, 0.0625, 16);
1074 BOUNDCVAR(v_color_black_r, 0, 0.8);
1075 BOUNDCVAR(v_color_black_g, 0, 0.8);
1076 BOUNDCVAR(v_color_black_b, 0, 0.8);
1077 BOUNDCVAR(v_color_grey_r, 0, 0.95);
1078 BOUNDCVAR(v_color_grey_g, 0, 0.95);
1079 BOUNDCVAR(v_color_grey_b, 0, 0.95);
1080 BOUNDCVAR(v_color_white_r, 1, 5);
1081 BOUNDCVAR(v_color_white_g, 1, 5);
1082 BOUNDCVAR(v_color_white_b, 1, 5);
1085 // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
1086 vid_gammatables_trivial = false;
1087 if(v_psycho.integer == 0)
1088 if(v_contrastboost.value == 1)
1090 if(v_color_enable.integer)
1092 if(v_color_black_r.value == 0)
1093 if(v_color_black_g.value == 0)
1094 if(v_color_black_b.value == 0)
1095 if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
1096 if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
1097 if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
1098 if(v_color_white_r.value == 1)
1099 if(v_color_white_g.value == 1)
1100 if(v_color_white_b.value == 1)
1101 vid_gammatables_trivial = true;
1105 if(v_gamma.value == 1)
1106 if(v_contrast.value == 1)
1107 if(v_brightness.value == 0)
1108 vid_gammatables_trivial = true;
1112 #define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
1113 if(v_psycho.integer)
1114 gamma_changed = true;
1115 GAMMACHECK(cachegamma , v_gamma.value);
1116 GAMMACHECK(cachecontrast , v_contrast.value);
1117 GAMMACHECK(cachebrightness , v_brightness.value);
1118 GAMMACHECK(cachecontrastboost, v_contrastboost.value);
1119 GAMMACHECK(cachecolorenable, v_color_enable.integer);
1120 GAMMACHECK(cacheblack[0] , v_color_black_r.value);
1121 GAMMACHECK(cacheblack[1] , v_color_black_g.value);
1122 GAMMACHECK(cacheblack[2] , v_color_black_b.value);
1123 GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
1124 GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
1125 GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
1126 GAMMACHECK(cachewhite[0] , v_color_white_r.value);
1127 GAMMACHECK(cachewhite[1] , v_color_white_g.value);
1128 GAMMACHECK(cachewhite[2] , v_color_white_b.value);
1131 ++vid_gammatables_serial;
1133 GAMMACHECK(cachehwgamma , wantgamma);
1136 if (!force && !gamma_forcenextframe && !gamma_changed)
1139 gamma_forcenextframe = false;
1143 if (!vid_usinghwgamma)
1145 vid_usinghwgamma = true;
1146 if (vid_gammarampsize != rampsize || !vid_gammaramps)
1148 vid_gammarampsize = rampsize;
1150 Z_Free(vid_gammaramps);
1151 vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short));
1152 vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize;
1154 VID_GetGamma(vid_systemgammaramps, vid_gammarampsize);
1157 VID_BuildGammaTables(vid_gammaramps, vid_gammarampsize);
1159 // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value)
1160 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2);
1161 // if custom gamma ramps failed (Windows stupidity), restore to system gamma
1162 if(!vid_hardwaregammasupported.integer)
1164 if (vid_usinghwgamma)
1166 vid_usinghwgamma = false;
1167 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1173 if (vid_usinghwgamma)
1175 vid_usinghwgamma = false;
1176 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1181 void VID_RestoreSystemGamma(void)
1183 if (vid_usinghwgamma)
1185 vid_usinghwgamma = false;
1186 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
1187 // force gamma situation to be reexamined next frame
1188 gamma_forcenextframe = true;
1192 void VID_Shared_Init(void)
1194 Cvar_RegisterVariable(&vid_hardwaregammasupported);
1195 Cvar_RegisterVariable(&gl_info_vendor);
1196 Cvar_RegisterVariable(&gl_info_renderer);
1197 Cvar_RegisterVariable(&gl_info_version);
1198 Cvar_RegisterVariable(&gl_info_extensions);
1199 Cvar_RegisterVariable(&gl_info_platform);
1200 Cvar_RegisterVariable(&gl_info_driver);
1201 Cvar_RegisterVariable(&v_gamma);
1202 Cvar_RegisterVariable(&v_brightness);
1203 Cvar_RegisterVariable(&v_contrastboost);
1204 Cvar_RegisterVariable(&v_contrast);
1206 Cvar_RegisterVariable(&v_color_enable);
1207 Cvar_RegisterVariable(&v_color_black_r);
1208 Cvar_RegisterVariable(&v_color_black_g);
1209 Cvar_RegisterVariable(&v_color_black_b);
1210 Cvar_RegisterVariable(&v_color_grey_r);
1211 Cvar_RegisterVariable(&v_color_grey_g);
1212 Cvar_RegisterVariable(&v_color_grey_b);
1213 Cvar_RegisterVariable(&v_color_white_r);
1214 Cvar_RegisterVariable(&v_color_white_g);
1215 Cvar_RegisterVariable(&v_color_white_b);
1217 Cvar_RegisterVariable(&v_hwgamma);
1218 Cvar_RegisterVariable(&v_glslgamma);
1220 Cvar_RegisterVariable(&v_psycho);
1222 Cvar_RegisterVariable(&vid_fullscreen);
1223 Cvar_RegisterVariable(&vid_width);
1224 Cvar_RegisterVariable(&vid_height);
1225 Cvar_RegisterVariable(&vid_bitsperpixel);
1226 Cvar_RegisterVariable(&vid_samples);
1227 Cvar_RegisterVariable(&vid_refreshrate);
1228 Cvar_RegisterVariable(&vid_userefreshrate);
1229 Cvar_RegisterVariable(&vid_stereobuffer);
1230 Cvar_RegisterVariable(&vid_vsync);
1231 Cvar_RegisterVariable(&vid_mouse);
1232 Cvar_RegisterVariable(&vid_grabkeyboard);
1233 Cvar_RegisterVariable(&vid_stick_mouse);
1234 Cvar_RegisterVariable(&vid_resizable);
1235 Cvar_RegisterVariable(&vid_minwidth);
1236 Cvar_RegisterVariable(&vid_minheight);
1237 Cvar_RegisterVariable(&vid_gl13);
1238 Cvar_RegisterVariable(&vid_gl20);
1240 Cvar_RegisterVariable(&vid_cggl);
1242 Cvar_RegisterVariable(&gl_finish);
1243 Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)");
1244 Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)");
1247 int VID_Mode(int fullscreen, int width, int height, int bpp, float refreshrate, int stereobuffer, int samples)
1250 memset(&mode, 0, sizeof(mode));
1251 mode.fullscreen = fullscreen != 0;
1253 mode.height = height;
1254 mode.bitsperpixel = bpp;
1255 mode.refreshrate = vid_userefreshrate.integer ? max(1, refreshrate) : 0;
1256 mode.userefreshrate = vid_userefreshrate.integer != 0;
1257 mode.stereobuffer = stereobuffer != 0;
1258 mode.samples = samples;
1259 cl_ignoremousemoves = 2;
1260 VID_ClearExtensions();
1261 if (VID_InitMode(&mode))
1263 // accept the (possibly modified) mode
1265 vid.fullscreen = vid.mode.fullscreen;
1266 vid.width = vid.mode.width;
1267 vid.height = vid.mode.height;
1268 vid.bitsperpixel = vid.mode.bitsperpixel;
1269 vid.refreshrate = vid.mode.refreshrate;
1270 vid.userefreshrate = vid.mode.userefreshrate;
1271 vid.stereobuffer = vid.mode.stereobuffer;
1272 vid.samples = vid.mode.samples;
1273 vid.stencil = vid.mode.bitsperpixel > 16;
1274 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) : "");
1276 Cvar_SetValueQuick(&vid_fullscreen, vid.mode.fullscreen);
1277 Cvar_SetValueQuick(&vid_width, vid.mode.width);
1278 Cvar_SetValueQuick(&vid_height, vid.mode.height);
1279 Cvar_SetValueQuick(&vid_bitsperpixel, vid.mode.bitsperpixel);
1280 Cvar_SetValueQuick(&vid_samples, vid.mode.samples);
1281 if(vid_userefreshrate.integer)
1282 Cvar_SetValueQuick(&vid_refreshrate, vid.mode.refreshrate);
1283 Cvar_SetValueQuick(&vid_stereobuffer, vid.mode.stereobuffer);
1291 static void VID_OpenSystems(void)
1297 static void VID_CloseSystems(void)
1300 R_Modules_Shutdown();
1303 qboolean vid_commandlinecheck = true;
1305 void VID_Restart_f(void)
1307 // don't crash if video hasn't started yet
1308 if (vid_commandlinecheck)
1311 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
1312 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) : "",
1313 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) : "");
1316 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer))
1318 Con_Print("Video mode change failed\n");
1319 if (!VID_Mode(vid.mode.fullscreen, vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.refreshrate, vid.mode.stereobuffer, vid.mode.samples))
1320 Sys_Error("Unable to restore to last working video mode");
1325 const char *vidfallbacks[][2] =
1327 {"vid_stereobuffer", "0"},
1328 {"vid_samples", "1"},
1329 {"vid_userefreshrate", "0"},
1330 {"vid_width", "640"},
1331 {"vid_height", "480"},
1332 {"vid_bitsperpixel", "16"},
1336 // this is only called once by Host_StartVideo
1337 void VID_Start(void)
1339 int i, width, height, success;
1340 if (vid_commandlinecheck)
1342 // interpret command-line parameters
1343 vid_commandlinecheck = false;
1344 // COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
1345 if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
1346 Cvar_SetValueQuick(&vid_fullscreen, false);
1347 // COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
1348 if (COM_CheckParm("-fullscreen"))
1349 Cvar_SetValueQuick(&vid_fullscreen, true);
1352 // 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)
1353 if ((i = COM_CheckParm("-width")) != 0)
1354 width = atoi(com_argv[i+1]);
1355 // 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)
1356 if ((i = COM_CheckParm("-height")) != 0)
1357 height = atoi(com_argv[i+1]);
1359 width = height * 4 / 3;
1361 height = width * 3 / 4;
1363 Cvar_SetValueQuick(&vid_width, width);
1365 Cvar_SetValueQuick(&vid_height, height);
1366 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
1367 if ((i = COM_CheckParm("-bpp")) != 0)
1368 Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
1371 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
1374 Con_Print("Desired video mode fail, trying fallbacks...\n");
1375 for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
1377 Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
1378 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
1381 Sys_Error("Video modes failed");
1386 int VID_SortModes_Compare(const void *a_, const void *b_)
1388 vid_mode_t *a = (vid_mode_t *) a_;
1389 vid_mode_t *b = (vid_mode_t *) b_;
1390 if(a->width > b->width)
1392 if(a->width < b->width)
1394 if(a->height > b->height)
1396 if(a->height < b->height)
1398 if(a->refreshrate > b->refreshrate)
1400 if(a->refreshrate < b->refreshrate)
1406 if(a->pixelheight_num * b->pixelheight_denom > a->pixelheight_denom * b->pixelheight_num)
1408 if(a->pixelheight_num * b->pixelheight_denom < a->pixelheight_denom * b->pixelheight_num)
1412 size_t VID_SortModes(vid_mode_t *modes, size_t count, qboolean usebpp, qboolean userefreshrate, qboolean useaspect)
1418 qsort(modes, count, sizeof(*modes), VID_SortModes_Compare);
1419 // 2. remove duplicates
1420 for(i = 0; i < count; ++i)
1422 if(modes[i].width && modes[i].height)
1426 if(modes[i].width != modes[i-1].width)
1428 if(modes[i].height != modes[i-1].height)
1431 if(modes[i].refreshrate != modes[i-1].refreshrate)
1434 if(modes[i].bpp != modes[i-1].bpp)
1437 if(modes[i].pixelheight_num * modes[i-1].pixelheight_denom != modes[i].pixelheight_denom * modes[i-1].pixelheight_num)
1440 // a dupe, or a bogus mode!
1442 memmove(&modes[i], &modes[i+1], sizeof(*modes) * (count-1 - i));
1443 --i; // check this index again, as mode i+1 is now here