8 #pragma comment(lib, "d3d9.lib")
11 LPDIRECT3DDEVICE9 vid_d3d9dev;
17 // LordHavoc: these are only set in wgl
18 qboolean isG200 = false; // LordHavoc: the Matrox G200 can't do per pixel alpha, and it uses a D3D driver for GL... ugh...
19 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.
21 // AK FIXME -> input_dest
22 qboolean in_client_mouse = true;
24 // AK where should it be placed ?
25 float in_mouse_x, in_mouse_y;
26 float in_windowmouse_x, in_windowmouse_y;
28 // LordHavoc: if window is hidden, don't update screen
29 qboolean vid_hidden = true;
30 // LordHavoc: if window is not the active window, don't hog as much CPU time,
31 // let go of the mouse, turn off sound, and restore system gamma ramps...
32 qboolean vid_activewindow = true;
34 // we don't know until we try it!
35 cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"};
37 // VorteX: more info cvars, mostly set in VID_CheckExtensions
38 cvar_t gl_info_vendor = {CVAR_READONLY, "gl_info_vendor", "", "indicates brand of graphics chip"};
39 cvar_t gl_info_renderer = {CVAR_READONLY, "gl_info_renderer", "", "indicates graphics chip model and other information"};
40 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."};
41 cvar_t gl_info_extensions = {CVAR_READONLY, "gl_info_extensions", "", "indicates extension list found by engine, space separated."};
42 cvar_t gl_info_platform = {CVAR_READONLY, "gl_info_platform", "", "indicates GL platform: WGL, GLX, or AGL."};
43 cvar_t gl_info_driver = {CVAR_READONLY, "gl_info_driver", "", "name of driver library (opengl32.dll, libGL.so.1, or whatever)."};
45 // whether hardware gamma ramps are currently in effect
46 qboolean vid_usinghwgamma = false;
48 int vid_gammarampsize = 0;
49 unsigned short *vid_gammaramps = NULL;
50 unsigned short *vid_systemgammaramps = NULL;
52 cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"};
53 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
54 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
55 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
56 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)"};
57 cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
58 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"};
59 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"};
61 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"};
62 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
63 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)"};
64 cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"};
65 cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"};
66 cvar_t vid_gl13 = {0, "vid_gl13", "1", "enables faster rendering using OpenGL 1.3 features (such as GL_ARB_texture_env_combine extension)"};
67 cvar_t vid_gl20 = {0, "vid_gl20", "1", "enables faster rendering using OpenGL 2.0 features (such as GL_ARB_fragment_shader extension)"};
68 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)"};
70 cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
71 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" };
73 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"};
74 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)"};
75 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
76 cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
77 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
78 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
79 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
80 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
81 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
82 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
83 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
84 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
85 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
86 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
87 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"};
88 cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
89 cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
91 // brand of graphics chip
92 const char *gl_vendor;
93 // graphics chip model and other information
94 const char *gl_renderer;
95 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
96 const char *gl_version;
97 // extensions list, space separated
98 const char *gl_extensions;
100 const char *gl_platform;
101 // another extensions list, containing platform-specific extensions that are
102 // not in the main list
103 const char *gl_platformextensions;
104 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
107 // GL_ARB_multitexture
108 void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
109 void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
110 void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
111 void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
112 void (GLAPIENTRY *qglActiveTexture) (GLenum);
113 void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
115 // general GL functions
117 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
119 void (GLAPIENTRY *qglClear)(GLbitfield mask);
121 void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
122 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
123 void (GLAPIENTRY *qglCullFace)(GLenum mode);
125 void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
126 void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
127 void (GLAPIENTRY *qglEnable)(GLenum cap);
128 void (GLAPIENTRY *qglDisable)(GLenum cap);
129 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
131 void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
132 void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
134 void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
135 void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
136 void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
137 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
139 GLenum (GLAPIENTRY *qglGetError)(void);
140 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
141 void (GLAPIENTRY *qglFinish)(void);
142 void (GLAPIENTRY *qglFlush)(void);
144 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
145 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
146 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
147 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
148 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
150 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
151 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
152 void (GLAPIENTRY *qglDrawArrays)(GLenum mode, GLint first, GLsizei count);
153 void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
154 void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
155 void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
156 void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
157 void (GLAPIENTRY *qglArrayElement)(GLint i);
159 void (GLAPIENTRY *qglColor4ub)(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha);
160 void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
161 void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
162 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
163 void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
164 void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
165 void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
166 void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
167 void (GLAPIENTRY *qglVertex4f)(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
168 void (GLAPIENTRY *qglBegin)(GLenum mode);
169 void (GLAPIENTRY *qglEnd)(void);
171 void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
172 //void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
173 //void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
174 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
175 //void (GLAPIENTRY *qglPushMatrix)(void);
176 //void (GLAPIENTRY *qglPopMatrix)(void);
177 void (GLAPIENTRY *qglLoadIdentity)(void);
178 //void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
179 void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
180 //void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
181 //void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
182 //void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
183 //void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
184 //void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
185 //void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
186 //void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
187 //void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
189 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
191 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
192 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
193 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
194 void (GLAPIENTRY *qglClearStencil)(GLint s);
196 void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
197 void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
198 void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
199 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
200 void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
201 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
202 void (GLAPIENTRY *qglGetTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
203 void (GLAPIENTRY *qglGetTexParameteriv)(GLenum target, GLenum pname, GLint *params);
204 void (GLAPIENTRY *qglGetTexLevelParameterfv)(GLenum target, GLint level, GLenum pname, GLfloat *params);
205 void (GLAPIENTRY *qglGetTexLevelParameteriv)(GLenum target, GLint level, GLenum pname, GLint *params);
206 void (GLAPIENTRY *qglGetTexImage)(GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels);
207 void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
209 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
210 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
211 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
212 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
213 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
214 //GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
215 //void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
216 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
218 //void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
219 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
220 //void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
221 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
222 //void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
223 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
224 //void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
225 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
228 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
230 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
232 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
233 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);
234 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
236 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
238 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
239 void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
240 void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
242 //void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
243 //void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
245 //[515]: added on 29.07.2005
246 void (GLAPIENTRY *qglLineWidth)(GLfloat width);
247 void (GLAPIENTRY *qglPointSize)(GLfloat size);
249 void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
251 void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
252 void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
253 void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
255 void (GLAPIENTRY *qglDeleteShader)(GLuint obj);
256 void (GLAPIENTRY *qglDeleteProgram)(GLuint obj);
257 //GLuint (GLAPIENTRY *qglGetHandle)(GLenum pname);
258 void (GLAPIENTRY *qglDetachShader)(GLuint containerObj, GLuint attachedObj);
259 GLuint (GLAPIENTRY *qglCreateShader)(GLenum shaderType);
260 void (GLAPIENTRY *qglShaderSource)(GLuint shaderObj, GLsizei count, const GLchar **string, const GLint *length);
261 void (GLAPIENTRY *qglCompileShader)(GLuint shaderObj);
262 GLuint (GLAPIENTRY *qglCreateProgram)(void);
263 void (GLAPIENTRY *qglAttachShader)(GLuint containerObj, GLuint obj);
264 void (GLAPIENTRY *qglLinkProgram)(GLuint programObj);
265 void (GLAPIENTRY *qglUseProgram)(GLuint programObj);
266 void (GLAPIENTRY *qglValidateProgram)(GLuint programObj);
267 void (GLAPIENTRY *qglUniform1f)(GLint location, GLfloat v0);
268 void (GLAPIENTRY *qglUniform2f)(GLint location, GLfloat v0, GLfloat v1);
269 void (GLAPIENTRY *qglUniform3f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
270 void (GLAPIENTRY *qglUniform4f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
271 void (GLAPIENTRY *qglUniform1i)(GLint location, GLint v0);
272 void (GLAPIENTRY *qglUniform2i)(GLint location, GLint v0, GLint v1);
273 void (GLAPIENTRY *qglUniform3i)(GLint location, GLint v0, GLint v1, GLint v2);
274 void (GLAPIENTRY *qglUniform4i)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
275 void (GLAPIENTRY *qglUniform1fv)(GLint location, GLsizei count, const GLfloat *value);
276 void (GLAPIENTRY *qglUniform2fv)(GLint location, GLsizei count, const GLfloat *value);
277 void (GLAPIENTRY *qglUniform3fv)(GLint location, GLsizei count, const GLfloat *value);
278 void (GLAPIENTRY *qglUniform4fv)(GLint location, GLsizei count, const GLfloat *value);
279 void (GLAPIENTRY *qglUniform1iv)(GLint location, GLsizei count, const GLint *value);
280 void (GLAPIENTRY *qglUniform2iv)(GLint location, GLsizei count, const GLint *value);
281 void (GLAPIENTRY *qglUniform3iv)(GLint location, GLsizei count, const GLint *value);
282 void (GLAPIENTRY *qglUniform4iv)(GLint location, GLsizei count, const GLint *value);
283 void (GLAPIENTRY *qglUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
284 void (GLAPIENTRY *qglUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
285 void (GLAPIENTRY *qglUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
286 void (GLAPIENTRY *qglGetShaderiv)(GLuint obj, GLenum pname, GLint *params);
287 void (GLAPIENTRY *qglGetProgramiv)(GLuint obj, GLenum pname, GLint *params);
288 void (GLAPIENTRY *qglGetShaderInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
289 void (GLAPIENTRY *qglGetProgramInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
290 void (GLAPIENTRY *qglGetAttachedShaders)(GLuint containerObj, GLsizei maxCount, GLsizei *count, GLuint *obj);
291 GLint (GLAPIENTRY *qglGetUniformLocation)(GLuint programObj, const GLchar *name);
292 void (GLAPIENTRY *qglGetActiveUniform)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
293 void (GLAPIENTRY *qglGetUniformfv)(GLuint programObj, GLint location, GLfloat *params);
294 void (GLAPIENTRY *qglGetUniformiv)(GLuint programObj, GLint location, GLint *params);
295 void (GLAPIENTRY *qglGetShaderSource)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *source);
297 void (GLAPIENTRY *qglVertexAttrib1f)(GLuint index, GLfloat v0);
298 void (GLAPIENTRY *qglVertexAttrib1s)(GLuint index, GLshort v0);
299 void (GLAPIENTRY *qglVertexAttrib1d)(GLuint index, GLdouble v0);
300 void (GLAPIENTRY *qglVertexAttrib2f)(GLuint index, GLfloat v0, GLfloat v1);
301 void (GLAPIENTRY *qglVertexAttrib2s)(GLuint index, GLshort v0, GLshort v1);
302 void (GLAPIENTRY *qglVertexAttrib2d)(GLuint index, GLdouble v0, GLdouble v1);
303 void (GLAPIENTRY *qglVertexAttrib3f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
304 void (GLAPIENTRY *qglVertexAttrib3s)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
305 void (GLAPIENTRY *qglVertexAttrib3d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
306 void (GLAPIENTRY *qglVertexAttrib4f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
307 void (GLAPIENTRY *qglVertexAttrib4s)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
308 void (GLAPIENTRY *qglVertexAttrib4d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
309 void (GLAPIENTRY *qglVertexAttrib4Nub)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
310 void (GLAPIENTRY *qglVertexAttrib1fv)(GLuint index, const GLfloat *v);
311 void (GLAPIENTRY *qglVertexAttrib1sv)(GLuint index, const GLshort *v);
312 void (GLAPIENTRY *qglVertexAttrib1dv)(GLuint index, const GLdouble *v);
313 void (GLAPIENTRY *qglVertexAttrib2fv)(GLuint index, const GLfloat *v);
314 void (GLAPIENTRY *qglVertexAttrib2sv)(GLuint index, const GLshort *v);
315 void (GLAPIENTRY *qglVertexAttrib2dv)(GLuint index, const GLdouble *v);
316 void (GLAPIENTRY *qglVertexAttrib3fv)(GLuint index, const GLfloat *v);
317 void (GLAPIENTRY *qglVertexAttrib3sv)(GLuint index, const GLshort *v);
318 void (GLAPIENTRY *qglVertexAttrib3dv)(GLuint index, const GLdouble *v);
319 void (GLAPIENTRY *qglVertexAttrib4fv)(GLuint index, const GLfloat *v);
320 void (GLAPIENTRY *qglVertexAttrib4sv)(GLuint index, const GLshort *v);
321 void (GLAPIENTRY *qglVertexAttrib4dv)(GLuint index, const GLdouble *v);
322 void (GLAPIENTRY *qglVertexAttrib4iv)(GLuint index, const GLint *v);
323 void (GLAPIENTRY *qglVertexAttrib4bv)(GLuint index, const GLbyte *v);
324 void (GLAPIENTRY *qglVertexAttrib4ubv)(GLuint index, const GLubyte *v);
325 void (GLAPIENTRY *qglVertexAttrib4usv)(GLuint index, const GLushort *v);
326 void (GLAPIENTRY *qglVertexAttrib4uiv)(GLuint index, const GLuint *v);
327 void (GLAPIENTRY *qglVertexAttrib4Nbv)(GLuint index, const GLbyte *v);
328 void (GLAPIENTRY *qglVertexAttrib4Nsv)(GLuint index, const GLshort *v);
329 void (GLAPIENTRY *qglVertexAttrib4Niv)(GLuint index, const GLint *v);
330 void (GLAPIENTRY *qglVertexAttrib4Nubv)(GLuint index, const GLubyte *v);
331 void (GLAPIENTRY *qglVertexAttrib4Nusv)(GLuint index, const GLushort *v);
332 void (GLAPIENTRY *qglVertexAttrib4Nuiv)(GLuint index, const GLuint *v);
333 void (GLAPIENTRY *qglVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
334 void (GLAPIENTRY *qglEnableVertexAttribArray)(GLuint index);
335 void (GLAPIENTRY *qglDisableVertexAttribArray)(GLuint index);
336 void (GLAPIENTRY *qglBindAttribLocation)(GLuint programObj, GLuint index, const GLchar *name);
337 void (GLAPIENTRY *qglGetActiveAttrib)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
338 GLint (GLAPIENTRY *qglGetAttribLocation)(GLuint programObj, const GLchar *name);
339 void (GLAPIENTRY *qglGetVertexAttribdv)(GLuint index, GLenum pname, GLdouble *params);
340 void (GLAPIENTRY *qglGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat *params);
341 void (GLAPIENTRY *qglGetVertexAttribiv)(GLuint index, GLenum pname, GLint *params);
342 void (GLAPIENTRY *qglGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid **pointer);
344 //GL_ARB_vertex_buffer_object
345 void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
346 void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
347 void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
348 GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
349 GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
350 GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
351 void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
352 void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
354 //GL_EXT_framebuffer_object
355 GLboolean (GLAPIENTRY *qglIsRenderbufferEXT)(GLuint renderbuffer);
356 void (GLAPIENTRY *qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer);
357 void (GLAPIENTRY *qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers);
358 void (GLAPIENTRY *qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers);
359 void (GLAPIENTRY *qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
360 void (GLAPIENTRY *qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params);
361 GLboolean (GLAPIENTRY *qglIsFramebufferEXT)(GLuint framebuffer);
362 void (GLAPIENTRY *qglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
363 void (GLAPIENTRY *qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
364 void (GLAPIENTRY *qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
365 GLenum (GLAPIENTRY *qglCheckFramebufferStatusEXT)(GLenum target);
366 //void (GLAPIENTRY *qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
367 void (GLAPIENTRY *qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
368 void (GLAPIENTRY *qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
369 void (GLAPIENTRY *qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
370 void (GLAPIENTRY *qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
371 void (GLAPIENTRY *qglGenerateMipmapEXT)(GLenum target);
373 void (GLAPIENTRY *qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
375 void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
376 void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
377 //void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
378 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);
379 void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
380 //void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
381 void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
383 void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
384 void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
385 GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
386 void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
387 void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
388 void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
389 void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
390 void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
393 #define sscanf sscanf_s
396 qboolean GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent)
399 const dllfunction_t *func;
400 struct { int major, minor; } min_version, curr_version;
401 char extstr[MAX_INPUTLINE];
404 if(sscanf(minglver_or_ext, "%d.%d", &min_version.major, &min_version.minor) == 2)
405 ext = 0; // opengl version
406 else if(minglver_or_ext[0] != toupper(minglver_or_ext[0]))
407 ext = -1; // pseudo name
409 ext = 1; // extension name
412 Con_DPrintf("checking for %s... ", minglver_or_ext);
414 Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext);
416 for (func = funcs;func && func->name;func++)
417 *func->funcvariable = NULL;
419 if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
421 Con_DPrint("disabled by commandline\n");
425 if (ext == 1) // opengl extension
427 if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext))
429 Con_DPrint("not detected\n");
434 if(ext == 0) // opengl version
436 if (sscanf(gl_version, "%d.%d", &curr_version.major, &curr_version.minor) < 2)
437 curr_version.major = curr_version.minor = 1;
439 if (curr_version.major < min_version.major || (curr_version.major == min_version.major && curr_version.minor < min_version.minor))
441 Con_DPrintf("not detected (OpenGL %d.%d loaded)\n", curr_version.major, curr_version.minor);
446 for (func = funcs;func && func->name != NULL;func++)
448 // Con_DPrintf("\n %s... ", func->name);
450 // functions are cleared before all the extensions are evaluated
451 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
454 Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
456 Con_Printf("OpenGL %s core features are missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
460 // delay the return so it prints all missing functions
463 // VorteX: add to found extension list
464 dpsnprintf(extstr, sizeof(extstr), "%s %s ", gl_info_extensions.string, minglver_or_ext);
465 Cvar_SetQuick(&gl_info_extensions, extstr);
467 Con_DPrint("enabled\n");
471 static dllfunction_t opengl110funcs[] =
473 {"glClearColor", (void **) &qglClearColor},
474 {"glClear", (void **) &qglClear},
475 {"glAlphaFunc", (void **) &qglAlphaFunc},
476 {"glBlendFunc", (void **) &qglBlendFunc},
477 {"glCullFace", (void **) &qglCullFace},
478 {"glDrawBuffer", (void **) &qglDrawBuffer},
479 {"glReadBuffer", (void **) &qglReadBuffer},
480 {"glEnable", (void **) &qglEnable},
481 {"glDisable", (void **) &qglDisable},
482 {"glIsEnabled", (void **) &qglIsEnabled},
483 {"glEnableClientState", (void **) &qglEnableClientState},
484 {"glDisableClientState", (void **) &qglDisableClientState},
485 {"glGetBooleanv", (void **) &qglGetBooleanv},
486 {"glGetDoublev", (void **) &qglGetDoublev},
487 {"glGetFloatv", (void **) &qglGetFloatv},
488 {"glGetIntegerv", (void **) &qglGetIntegerv},
489 {"glGetError", (void **) &qglGetError},
490 {"glGetString", (void **) &qglGetString},
491 {"glFinish", (void **) &qglFinish},
492 {"glFlush", (void **) &qglFlush},
493 {"glClearDepth", (void **) &qglClearDepth},
494 {"glDepthFunc", (void **) &qglDepthFunc},
495 {"glDepthMask", (void **) &qglDepthMask},
496 {"glDepthRange", (void **) &qglDepthRange},
497 {"glDrawElements", (void **) &qglDrawElements},
498 {"glDrawArrays", (void **) &qglDrawArrays},
499 {"glColorMask", (void **) &qglColorMask},
500 {"glVertexPointer", (void **) &qglVertexPointer},
501 {"glNormalPointer", (void **) &qglNormalPointer},
502 {"glColorPointer", (void **) &qglColorPointer},
503 {"glTexCoordPointer", (void **) &qglTexCoordPointer},
504 {"glArrayElement", (void **) &qglArrayElement},
505 {"glColor4ub", (void **) &qglColor4ub},
506 {"glColor4f", (void **) &qglColor4f},
507 {"glTexCoord1f", (void **) &qglTexCoord1f},
508 {"glTexCoord2f", (void **) &qglTexCoord2f},
509 {"glTexCoord3f", (void **) &qglTexCoord3f},
510 {"glTexCoord4f", (void **) &qglTexCoord4f},
511 {"glVertex2f", (void **) &qglVertex2f},
512 {"glVertex3f", (void **) &qglVertex3f},
513 {"glVertex4f", (void **) &qglVertex4f},
514 {"glBegin", (void **) &qglBegin},
515 {"glEnd", (void **) &qglEnd},
516 //[515]: added on 29.07.2005
517 {"glLineWidth", (void**) &qglLineWidth},
518 {"glPointSize", (void**) &qglPointSize},
520 {"glMatrixMode", (void **) &qglMatrixMode},
521 // {"glOrtho", (void **) &qglOrtho},
522 // {"glFrustum", (void **) &qglFrustum},
523 {"glViewport", (void **) &qglViewport},
524 // {"glPushMatrix", (void **) &qglPushMatrix},
525 // {"glPopMatrix", (void **) &qglPopMatrix},
526 {"glLoadIdentity", (void **) &qglLoadIdentity},
527 // {"glLoadMatrixd", (void **) &qglLoadMatrixd},
528 {"glLoadMatrixf", (void **) &qglLoadMatrixf},
529 // {"glMultMatrixd", (void **) &qglMultMatrixd},
530 // {"glMultMatrixf", (void **) &qglMultMatrixf},
531 // {"glRotated", (void **) &qglRotated},
532 // {"glRotatef", (void **) &qglRotatef},
533 // {"glScaled", (void **) &qglScaled},
534 // {"glScalef", (void **) &qglScalef},
535 // {"glTranslated", (void **) &qglTranslated},
536 // {"glTranslatef", (void **) &qglTranslatef},
537 {"glReadPixels", (void **) &qglReadPixels},
538 {"glStencilFunc", (void **) &qglStencilFunc},
539 {"glStencilMask", (void **) &qglStencilMask},
540 {"glStencilOp", (void **) &qglStencilOp},
541 {"glClearStencil", (void **) &qglClearStencil},
542 {"glTexEnvf", (void **) &qglTexEnvf},
543 {"glTexEnvfv", (void **) &qglTexEnvfv},
544 {"glTexEnvi", (void **) &qglTexEnvi},
545 {"glTexParameterf", (void **) &qglTexParameterf},
546 {"glTexParameterfv", (void **) &qglTexParameterfv},
547 {"glTexParameteri", (void **) &qglTexParameteri},
548 {"glGetTexImage", (void **) &qglGetTexImage},
549 {"glGetTexParameterfv", (void **) &qglGetTexParameterfv},
550 {"glGetTexParameteriv", (void **) &qglGetTexParameteriv},
551 {"glGetTexLevelParameterfv", (void **) &qglGetTexLevelParameterfv},
552 {"glGetTexLevelParameteriv", (void **) &qglGetTexLevelParameteriv},
553 {"glHint", (void **) &qglHint},
554 // {"glPixelStoref", (void **) &qglPixelStoref},
555 {"glPixelStorei", (void **) &qglPixelStorei},
556 {"glGenTextures", (void **) &qglGenTextures},
557 {"glDeleteTextures", (void **) &qglDeleteTextures},
558 {"glBindTexture", (void **) &qglBindTexture},
559 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
560 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
561 // {"glIsTexture", (void **) &qglIsTexture},
562 // {"glTexImage1D", (void **) &qglTexImage1D},
563 {"glTexImage2D", (void **) &qglTexImage2D},
564 // {"glTexSubImage1D", (void **) &qglTexSubImage1D},
565 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
566 // {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
567 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
568 // {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
569 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
570 {"glScissor", (void **) &qglScissor},
571 {"glPolygonOffset", (void **) &qglPolygonOffset},
572 {"glPolygonMode", (void **) &qglPolygonMode},
573 {"glPolygonStipple", (void **) &qglPolygonStipple},
574 // {"glClipPlane", (void **) &qglClipPlane},
575 // {"glGetClipPlane", (void **) &qglGetClipPlane},
579 static dllfunction_t drawrangeelementsfuncs[] =
581 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
585 static dllfunction_t drawrangeelementsextfuncs[] =
587 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
591 static dllfunction_t multitexturefuncs[] =
593 {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f},
594 {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
595 {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
596 {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f},
597 {"glActiveTextureARB", (void **) &qglActiveTexture},
598 {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
602 static dllfunction_t texture3dextfuncs[] =
604 {"glTexImage3DEXT", (void **) &qglTexImage3D},
605 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
606 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
610 static dllfunction_t atiseparatestencilfuncs[] =
612 {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
613 {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
617 static dllfunction_t gl2separatestencilfuncs[] =
619 {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
620 {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
624 static dllfunction_t stenciltwosidefuncs[] =
626 {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
630 static dllfunction_t blendequationfuncs[] =
632 {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
636 static dllfunction_t gl20shaderfuncs[] =
638 {"glDeleteShader", (void **) &qglDeleteShader},
639 {"glDeleteProgram", (void **) &qglDeleteProgram},
640 // {"glGetHandle", (void **) &qglGetHandle},
641 {"glDetachShader", (void **) &qglDetachShader},
642 {"glCreateShader", (void **) &qglCreateShader},
643 {"glShaderSource", (void **) &qglShaderSource},
644 {"glCompileShader", (void **) &qglCompileShader},
645 {"glCreateProgram", (void **) &qglCreateProgram},
646 {"glAttachShader", (void **) &qglAttachShader},
647 {"glLinkProgram", (void **) &qglLinkProgram},
648 {"glUseProgram", (void **) &qglUseProgram},
649 {"glValidateProgram", (void **) &qglValidateProgram},
650 {"glUniform1f", (void **) &qglUniform1f},
651 {"glUniform2f", (void **) &qglUniform2f},
652 {"glUniform3f", (void **) &qglUniform3f},
653 {"glUniform4f", (void **) &qglUniform4f},
654 {"glUniform1i", (void **) &qglUniform1i},
655 {"glUniform2i", (void **) &qglUniform2i},
656 {"glUniform3i", (void **) &qglUniform3i},
657 {"glUniform4i", (void **) &qglUniform4i},
658 {"glUniform1fv", (void **) &qglUniform1fv},
659 {"glUniform2fv", (void **) &qglUniform2fv},
660 {"glUniform3fv", (void **) &qglUniform3fv},
661 {"glUniform4fv", (void **) &qglUniform4fv},
662 {"glUniform1iv", (void **) &qglUniform1iv},
663 {"glUniform2iv", (void **) &qglUniform2iv},
664 {"glUniform3iv", (void **) &qglUniform3iv},
665 {"glUniform4iv", (void **) &qglUniform4iv},
666 {"glUniformMatrix2fv", (void **) &qglUniformMatrix2fv},
667 {"glUniformMatrix3fv", (void **) &qglUniformMatrix3fv},
668 {"glUniformMatrix4fv", (void **) &qglUniformMatrix4fv},
669 {"glGetShaderiv", (void **) &qglGetShaderiv},
670 {"glGetProgramiv", (void **) &qglGetProgramiv},
671 {"glGetShaderInfoLog", (void **) &qglGetShaderInfoLog},
672 {"glGetProgramInfoLog", (void **) &qglGetProgramInfoLog},
673 {"glGetAttachedShaders", (void **) &qglGetAttachedShaders},
674 {"glGetUniformLocation", (void **) &qglGetUniformLocation},
675 {"glGetActiveUniform", (void **) &qglGetActiveUniform},
676 {"glGetUniformfv", (void **) &qglGetUniformfv},
677 {"glGetUniformiv", (void **) &qglGetUniformiv},
678 {"glGetShaderSource", (void **) &qglGetShaderSource},
679 {"glVertexAttrib1f", (void **) &qglVertexAttrib1f},
680 {"glVertexAttrib1s", (void **) &qglVertexAttrib1s},
681 {"glVertexAttrib1d", (void **) &qglVertexAttrib1d},
682 {"glVertexAttrib2f", (void **) &qglVertexAttrib2f},
683 {"glVertexAttrib2s", (void **) &qglVertexAttrib2s},
684 {"glVertexAttrib2d", (void **) &qglVertexAttrib2d},
685 {"glVertexAttrib3f", (void **) &qglVertexAttrib3f},
686 {"glVertexAttrib3s", (void **) &qglVertexAttrib3s},
687 {"glVertexAttrib3d", (void **) &qglVertexAttrib3d},
688 {"glVertexAttrib4f", (void **) &qglVertexAttrib4f},
689 {"glVertexAttrib4s", (void **) &qglVertexAttrib4s},
690 {"glVertexAttrib4d", (void **) &qglVertexAttrib4d},
691 {"glVertexAttrib4Nub", (void **) &qglVertexAttrib4Nub},
692 {"glVertexAttrib1fv", (void **) &qglVertexAttrib1fv},
693 {"glVertexAttrib1sv", (void **) &qglVertexAttrib1sv},
694 {"glVertexAttrib1dv", (void **) &qglVertexAttrib1dv},
695 {"glVertexAttrib2fv", (void **) &qglVertexAttrib1fv},
696 {"glVertexAttrib2sv", (void **) &qglVertexAttrib1sv},
697 {"glVertexAttrib2dv", (void **) &qglVertexAttrib1dv},
698 {"glVertexAttrib3fv", (void **) &qglVertexAttrib1fv},
699 {"glVertexAttrib3sv", (void **) &qglVertexAttrib1sv},
700 {"glVertexAttrib3dv", (void **) &qglVertexAttrib1dv},
701 {"glVertexAttrib4fv", (void **) &qglVertexAttrib1fv},
702 {"glVertexAttrib4sv", (void **) &qglVertexAttrib1sv},
703 {"glVertexAttrib4dv", (void **) &qglVertexAttrib1dv},
704 // {"glVertexAttrib4iv", (void **) &qglVertexAttrib1iv},
705 // {"glVertexAttrib4bv", (void **) &qglVertexAttrib1bv},
706 // {"glVertexAttrib4ubv", (void **) &qglVertexAttrib1ubv},
707 // {"glVertexAttrib4usv", (void **) &qglVertexAttrib1usv},
708 // {"glVertexAttrib4uiv", (void **) &qglVertexAttrib1uiv},
709 // {"glVertexAttrib4Nbv", (void **) &qglVertexAttrib1Nbv},
710 // {"glVertexAttrib4Nsv", (void **) &qglVertexAttrib1Nsv},
711 // {"glVertexAttrib4Niv", (void **) &qglVertexAttrib1Niv},
712 // {"glVertexAttrib4Nubv", (void **) &qglVertexAttrib1Nubv},
713 // {"glVertexAttrib4Nusv", (void **) &qglVertexAttrib1Nusv},
714 // {"glVertexAttrib4Nuiv", (void **) &qglVertexAttrib1Nuiv},
715 {"glVertexAttribPointer", (void **) &qglVertexAttribPointer},
716 {"glEnableVertexAttribArray", (void **) &qglEnableVertexAttribArray},
717 {"glDisableVertexAttribArray", (void **) &qglDisableVertexAttribArray},
718 {"glBindAttribLocation", (void **) &qglBindAttribLocation},
719 {"glGetActiveAttrib", (void **) &qglGetActiveAttrib},
720 {"glGetAttribLocation", (void **) &qglGetAttribLocation},
721 {"glGetVertexAttribdv", (void **) &qglGetVertexAttribdv},
722 {"glGetVertexAttribfv", (void **) &qglGetVertexAttribfv},
723 {"glGetVertexAttribiv", (void **) &qglGetVertexAttribiv},
724 {"glGetVertexAttribPointerv", (void **) &qglGetVertexAttribPointerv},
728 static dllfunction_t vbofuncs[] =
730 {"glBindBufferARB" , (void **) &qglBindBufferARB},
731 {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
732 {"glGenBuffersARB" , (void **) &qglGenBuffersARB},
733 {"glIsBufferARB" , (void **) &qglIsBufferARB},
734 {"glMapBufferARB" , (void **) &qglMapBufferARB},
735 {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB},
736 {"glBufferDataARB" , (void **) &qglBufferDataARB},
737 {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
741 static dllfunction_t fbofuncs[] =
743 {"glIsRenderbufferEXT" , (void **) &qglIsRenderbufferEXT},
744 {"glBindRenderbufferEXT" , (void **) &qglBindRenderbufferEXT},
745 {"glDeleteRenderbuffersEXT" , (void **) &qglDeleteRenderbuffersEXT},
746 {"glGenRenderbuffersEXT" , (void **) &qglGenRenderbuffersEXT},
747 {"glRenderbufferStorageEXT" , (void **) &qglRenderbufferStorageEXT},
748 {"glGetRenderbufferParameterivEXT" , (void **) &qglGetRenderbufferParameterivEXT},
749 {"glIsFramebufferEXT" , (void **) &qglIsFramebufferEXT},
750 {"glBindFramebufferEXT" , (void **) &qglBindFramebufferEXT},
751 {"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffersEXT},
752 {"glGenFramebuffersEXT" , (void **) &qglGenFramebuffersEXT},
753 {"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatusEXT},
754 // {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT},
755 {"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2DEXT},
756 {"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3DEXT},
757 {"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbufferEXT},
758 {"glGetFramebufferAttachmentParameterivEXT" , (void **) &qglGetFramebufferAttachmentParameterivEXT},
759 {"glGenerateMipmapEXT" , (void **) &qglGenerateMipmapEXT},
763 static dllfunction_t texturecompressionfuncs[] =
765 {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB},
766 {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB},
767 // {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB},
768 {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB},
769 {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB},
770 // {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB},
771 {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB},
775 static dllfunction_t occlusionqueryfuncs[] =
777 {"glGenQueriesARB", (void **) &qglGenQueriesARB},
778 {"glDeleteQueriesARB", (void **) &qglDeleteQueriesARB},
779 {"glIsQueryARB", (void **) &qglIsQueryARB},
780 {"glBeginQueryARB", (void **) &qglBeginQueryARB},
781 {"glEndQueryARB", (void **) &qglEndQueryARB},
782 {"glGetQueryivARB", (void **) &qglGetQueryivARB},
783 {"glGetQueryObjectivARB", (void **) &qglGetQueryObjectivARB},
784 {"glGetQueryObjectuivARB", (void **) &qglGetQueryObjectuivARB},
788 static dllfunction_t drawbuffersfuncs[] =
790 {"glDrawBuffersARB", (void **) &qglDrawBuffersARB},
794 void VID_ClearExtensions(void)
796 // VorteX: reset extensions info cvar, it got filled by GL_CheckExtension
797 Cvar_SetQuick(&gl_info_extensions, "");
799 // clear the extension flags
800 memset(&vid.support, 0, sizeof(vid.support));
801 vid.renderpath = RENDERPATH_GL11;
802 vid.useinterleavedarrays = false;
803 vid.forcevbo = false;
804 vid.maxtexturesize_2d = 0;
805 vid.maxtexturesize_3d = 0;
806 vid.maxtexturesize_cubemap = 0;
808 vid.teximageunits = 1;
809 vid.texarrayunits = 1;
810 vid.max_anisotropy = 1;
811 vid.maxdrawbuffers = 1;
813 // this is a complete list of all functions that are directly checked in the renderer
814 qglDrawRangeElements = NULL;
815 qglDrawBuffer = NULL;
816 qglPolygonStipple = NULL;
818 qglActiveTexture = NULL;
819 qglGetCompressedTexImageARB = NULL;
820 qglFramebufferTexture2DEXT = NULL;
821 qglDrawBuffersARB = NULL;
824 void VID_CheckExtensions(void)
826 if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false))
827 Sys_Error("OpenGL 1.1.0 functions not found");
828 vid.support.gl20shaders = GL_CheckExtension("2.0", gl20shaderfuncs, "-noshaders", false);
832 Con_DPrint("Checking OpenGL extensions...\n");
834 vid.support.amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", NULL, "-notexture4", false);
835 vid.support.arb_depth_texture = GL_CheckExtension("GL_ARB_depth_texture", NULL, "-nodepthtexture", false);
836 vid.support.arb_draw_buffers = GL_CheckExtension("GL_ARB_draw_buffers", drawbuffersfuncs, "-nodrawbuffers", false);
837 vid.support.arb_multitexture = GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false);
838 vid.support.arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false);
839 vid.support.arb_shadow = GL_CheckExtension("GL_ARB_shadow", NULL, "-noshadow", false);
840 vid.support.arb_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false);
841 vid.support.arb_texture_cube_map = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
842 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);
843 vid.support.arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false);
844 vid.support.arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
845 vid.support.arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
846 vid.support.ati_separate_stencil = GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true) || GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
847 vid.support.ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
848 vid.support.ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
849 vid.support.ext_draw_range_elements = GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true) || GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
850 vid.support.ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", fbofuncs, "-nofbo", false);
851 vid.support.ext_stencil_two_side = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
852 vid.support.ext_texture_3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
853 vid.support.ext_texture_compression_s3tc = GL_CheckExtension("GL_EXT_texture_compression_s3tc", NULL, "-nos3tc", false);
854 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);
855 vid.support.ext_texture_filter_anisotropic = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false);
856 // COMMANDLINEOPTION: GL: -noshaders disables use of OpenGL 2.0 shaders (which allow pixel shader effects, can improve per pixel lighting performance and capabilities)
857 // COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
858 // COMMANDLINEOPTION: GL: -noblendminmax disables GL_EXT_blend_minmax
859 // COMMANDLINEOPTION: GL: -noblendsubtract disables GL_EXT_blend_subtract
860 // COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
861 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
862 // COMMANDLINEOPTION: GL: -nodepthtexture disables use of GL_ARB_depth_texture (required for shadowmapping)
863 // COMMANDLINEOPTION: GL: -nodrawbuffers disables use of GL_ARB_draw_buffers (required for r_shadow_deferredprepass)
864 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
865 // 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)
866 // COMMANDLINEOPTION: GL: -nofbo disables GL_EXT_framebuffer_object (which accelerates rendering), only used if GL_ARB_fragment_shader is also available
867 // COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
868 // COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations)
869 // COMMANDLINEOPTION: GL: -nos3tc disables GL_EXT_texture_compression_s3tc (which allows use of .dds texture caching)
870 // COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering)
871 // COMMANDLINEOPTION: GL: -noshadow disables use of GL_ARB_shadow (required for hardware shadowmap filtering)
872 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
873 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
874 // COMMANDLINEOPTION: GL: -notexture4 disables GL_AMD_texture_texture4 (which provides fetch4 sampling)
875 // 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)
876 // COMMANDLINEOPTION: GL: -notexturegather disables GL_ARB_texture_gather (which provides fetch4 sampling)
877 // 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)
878 // COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
880 if (vid.support.arb_draw_buffers)
881 qglGetIntegerv(GL_MAX_DRAW_BUFFERS_ARB, (GLint*)&vid.maxdrawbuffers);
883 // 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
884 // we detect these cards by checking if the hardware supports vertex texture fetch (Geforce6 does, Radeon X1600 does not, all GL3-class hardware does)
885 if(vid.support.arb_texture_non_power_of_two && vid.support.gl20shaders)
888 qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &val);CHECKGLERROR
890 vid.support.arb_texture_non_power_of_two = false;
893 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
894 if (qglDrawRangeElements == NULL)
895 qglDrawRangeElements = qglDrawRangeElementsEXT;
897 qglGetIntegerv(GL_MAX_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_2d);
898 if (vid.support.ext_texture_filter_anisotropic)
899 qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, (GLint*)&vid.max_anisotropy);
900 if (vid.support.arb_texture_cube_map)
901 qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, (GLint*)&vid.maxtexturesize_cubemap);
902 if (vid.support.ext_texture_3d)
903 qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_3d);
905 // verify that 3d textures are really supported
906 if (vid.support.ext_texture_3d && vid.maxtexturesize_3d < 32)
908 vid.support.ext_texture_3d = false;
909 Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
912 vid.texunits = vid.teximageunits = vid.texarrayunits = 1;
913 if (vid.support.arb_multitexture)
914 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
915 if (vid_gl20.integer && vid.support.gl20shaders)
917 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
918 qglGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, (int *)&vid.teximageunits);CHECKGLERROR
919 qglGetIntegerv(GL_MAX_TEXTURE_COORDS, (int *)&vid.texarrayunits);CHECKGLERROR
920 vid.texunits = bound(4, vid.texunits, MAX_TEXTUREUNITS);
921 vid.teximageunits = bound(16, vid.teximageunits, MAX_TEXTUREUNITS);
922 vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS);
923 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" : "");
924 vid.renderpath = RENDERPATH_GL20;
925 vid.useinterleavedarrays = false;
927 else if (vid.support.arb_texture_env_combine && vid.texunits >= 2 && vid_gl13.integer)
929 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
930 vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS);
931 vid.teximageunits = vid.texunits;
932 vid.texarrayunits = vid.texunits;
933 Con_DPrintf("Using GL1.3 rendering path - %i texture units, single pass rendering\n", vid.texunits);
934 vid.renderpath = RENDERPATH_GL13;
935 vid.useinterleavedarrays = false;
939 vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS);
940 vid.teximageunits = vid.texunits;
941 vid.texarrayunits = vid.texunits;
942 Con_DPrintf("Using GL1.1 rendering path - %i texture units, two pass rendering\n", vid.texunits);
943 vid.renderpath = RENDERPATH_GL11;
944 vid.useinterleavedarrays = false;
947 // VorteX: set other info (maybe place them in VID_InitMode?)
948 Cvar_SetQuick(&gl_info_vendor, gl_vendor);
949 Cvar_SetQuick(&gl_info_renderer, gl_renderer);
950 Cvar_SetQuick(&gl_info_version, gl_version);
951 Cvar_SetQuick(&gl_info_platform, gl_platform ? gl_platform : "");
952 Cvar_SetQuick(&gl_info_driver, gl_driver);
955 void Force_CenterView_f (void)
957 cl.viewangles[PITCH] = 0;
960 static int gamma_forcenextframe = false;
961 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
962 static int cachecolorenable, cachehwgamma;
964 unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
965 qboolean vid_gammatables_trivial = true;
966 void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
968 if (cachecolorenable)
970 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
971 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
972 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
976 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
977 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
978 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
981 // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
982 // immensely butchered it to work with variable framerates and fit in with
983 // the rest of darkplaces.
984 if (v_psycho.integer)
988 static float n[3], nd[3], nt[3];
989 static int init = true;
990 unsigned short *ramp;
991 gamma_forcenextframe = true;
995 for (x = 0;x < 3;x++)
997 n[x] = lhrandom(0, 1);
998 nd[x] = (rand()&1)?-0.25:0.25;
999 nt[x] = lhrandom(1, 8.2);
1003 for (x = 0;x < 3;x++)
1005 nt[x] -= cl.realframetime;
1009 nt[x] += lhrandom(1, 8.2);
1011 n[x] += nd[x] * cl.realframetime;
1012 n[x] -= floor(n[x]);
1015 for (x = 0, ramp = ramps;x < 3;x++)
1016 for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize))
1017 *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
1021 void VID_UpdateGamma(qboolean force, int rampsize)
1026 qboolean gamma_changed = false;
1028 // LordHavoc: don't mess with gamma tables if running dedicated
1029 if (cls.state == ca_dedicated)
1032 wantgamma = v_hwgamma.integer;
1033 switch(vid.renderpath)
1035 case RENDERPATH_GL20:
1036 case RENDERPATH_D3D9:
1037 case RENDERPATH_D3D10:
1038 case RENDERPATH_D3D11:
1039 case RENDERPATH_SOFT:
1040 case RENDERPATH_GLES2:
1041 if (v_glslgamma.integer)
1044 case RENDERPATH_GL13:
1045 case RENDERPATH_GL11:
1048 if(!vid_activewindow)
1050 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
1051 BOUNDCVAR(v_gamma, 0.1, 5);
1052 BOUNDCVAR(v_contrast, 1, 5);
1053 BOUNDCVAR(v_brightness, 0, 0.8);
1054 //BOUNDCVAR(v_contrastboost, 0.0625, 16);
1055 BOUNDCVAR(v_color_black_r, 0, 0.8);
1056 BOUNDCVAR(v_color_black_g, 0, 0.8);
1057 BOUNDCVAR(v_color_black_b, 0, 0.8);
1058 BOUNDCVAR(v_color_grey_r, 0, 0.95);
1059 BOUNDCVAR(v_color_grey_g, 0, 0.95);
1060 BOUNDCVAR(v_color_grey_b, 0, 0.95);
1061 BOUNDCVAR(v_color_white_r, 1, 5);
1062 BOUNDCVAR(v_color_white_g, 1, 5);
1063 BOUNDCVAR(v_color_white_b, 1, 5);
1066 // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
1067 vid_gammatables_trivial = false;
1068 if(v_psycho.integer == 0)
1069 if(v_contrastboost.value == 1)
1071 if(v_color_enable.integer)
1073 if(v_color_black_r.value == 0)
1074 if(v_color_black_g.value == 0)
1075 if(v_color_black_b.value == 0)
1076 if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
1077 if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
1078 if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
1079 if(v_color_white_r.value == 1)
1080 if(v_color_white_g.value == 1)
1081 if(v_color_white_b.value == 1)
1082 vid_gammatables_trivial = true;
1086 if(v_gamma.value == 1)
1087 if(v_contrast.value == 1)
1088 if(v_brightness.value == 0)
1089 vid_gammatables_trivial = true;
1093 #define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
1094 if(v_psycho.integer)
1095 gamma_changed = true;
1096 GAMMACHECK(cachegamma , v_gamma.value);
1097 GAMMACHECK(cachecontrast , v_contrast.value);
1098 GAMMACHECK(cachebrightness , v_brightness.value);
1099 GAMMACHECK(cachecontrastboost, v_contrastboost.value);
1100 GAMMACHECK(cachecolorenable, v_color_enable.integer);
1101 GAMMACHECK(cacheblack[0] , v_color_black_r.value);
1102 GAMMACHECK(cacheblack[1] , v_color_black_g.value);
1103 GAMMACHECK(cacheblack[2] , v_color_black_b.value);
1104 GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
1105 GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
1106 GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
1107 GAMMACHECK(cachewhite[0] , v_color_white_r.value);
1108 GAMMACHECK(cachewhite[1] , v_color_white_g.value);
1109 GAMMACHECK(cachewhite[2] , v_color_white_b.value);
1112 ++vid_gammatables_serial;
1114 GAMMACHECK(cachehwgamma , wantgamma);
1117 if (!force && !gamma_forcenextframe && !gamma_changed)
1120 gamma_forcenextframe = false;
1124 if (!vid_usinghwgamma)
1126 vid_usinghwgamma = true;
1127 if (vid_gammarampsize != rampsize || !vid_gammaramps)
1129 vid_gammarampsize = rampsize;
1131 Z_Free(vid_gammaramps);
1132 vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short));
1133 vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize;
1135 VID_GetGamma(vid_systemgammaramps, vid_gammarampsize);
1138 VID_BuildGammaTables(vid_gammaramps, vid_gammarampsize);
1140 // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value)
1141 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2);
1142 // if custom gamma ramps failed (Windows stupidity), restore to system gamma
1143 if(!vid_hardwaregammasupported.integer)
1145 if (vid_usinghwgamma)
1147 vid_usinghwgamma = false;
1148 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1154 if (vid_usinghwgamma)
1156 vid_usinghwgamma = false;
1157 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1162 void VID_RestoreSystemGamma(void)
1164 if (vid_usinghwgamma)
1166 vid_usinghwgamma = false;
1167 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
1168 // force gamma situation to be reexamined next frame
1169 gamma_forcenextframe = true;
1173 void VID_Shared_Init(void)
1175 Cvar_RegisterVariable(&vid_hardwaregammasupported);
1176 Cvar_RegisterVariable(&gl_info_vendor);
1177 Cvar_RegisterVariable(&gl_info_renderer);
1178 Cvar_RegisterVariable(&gl_info_version);
1179 Cvar_RegisterVariable(&gl_info_extensions);
1180 Cvar_RegisterVariable(&gl_info_platform);
1181 Cvar_RegisterVariable(&gl_info_driver);
1182 Cvar_RegisterVariable(&v_gamma);
1183 Cvar_RegisterVariable(&v_brightness);
1184 Cvar_RegisterVariable(&v_contrastboost);
1185 Cvar_RegisterVariable(&v_contrast);
1187 Cvar_RegisterVariable(&v_color_enable);
1188 Cvar_RegisterVariable(&v_color_black_r);
1189 Cvar_RegisterVariable(&v_color_black_g);
1190 Cvar_RegisterVariable(&v_color_black_b);
1191 Cvar_RegisterVariable(&v_color_grey_r);
1192 Cvar_RegisterVariable(&v_color_grey_g);
1193 Cvar_RegisterVariable(&v_color_grey_b);
1194 Cvar_RegisterVariable(&v_color_white_r);
1195 Cvar_RegisterVariable(&v_color_white_g);
1196 Cvar_RegisterVariable(&v_color_white_b);
1198 Cvar_RegisterVariable(&v_hwgamma);
1199 Cvar_RegisterVariable(&v_glslgamma);
1201 Cvar_RegisterVariable(&v_psycho);
1203 Cvar_RegisterVariable(&vid_fullscreen);
1204 Cvar_RegisterVariable(&vid_width);
1205 Cvar_RegisterVariable(&vid_height);
1206 Cvar_RegisterVariable(&vid_bitsperpixel);
1207 Cvar_RegisterVariable(&vid_samples);
1208 Cvar_RegisterVariable(&vid_refreshrate);
1209 Cvar_RegisterVariable(&vid_userefreshrate);
1210 Cvar_RegisterVariable(&vid_stereobuffer);
1211 Cvar_RegisterVariable(&vid_vsync);
1212 Cvar_RegisterVariable(&vid_mouse);
1213 Cvar_RegisterVariable(&vid_grabkeyboard);
1214 Cvar_RegisterVariable(&vid_stick_mouse);
1215 Cvar_RegisterVariable(&vid_resizable);
1216 Cvar_RegisterVariable(&vid_minwidth);
1217 Cvar_RegisterVariable(&vid_minheight);
1218 Cvar_RegisterVariable(&vid_gl13);
1219 Cvar_RegisterVariable(&vid_gl20);
1220 Cvar_RegisterVariable(&gl_finish);
1221 Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)");
1222 Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)");
1225 int VID_Mode(int fullscreen, int width, int height, int bpp, float refreshrate, int stereobuffer, int samples)
1228 memset(&mode, 0, sizeof(mode));
1229 mode.fullscreen = fullscreen != 0;
1231 mode.height = height;
1232 mode.bitsperpixel = bpp;
1233 mode.refreshrate = vid_userefreshrate.integer ? max(1, refreshrate) : 0;
1234 mode.userefreshrate = vid_userefreshrate.integer != 0;
1235 mode.stereobuffer = stereobuffer != 0;
1236 mode.samples = samples;
1237 cl_ignoremousemoves = 2;
1238 VID_ClearExtensions();
1239 if (VID_InitMode(&mode))
1241 // accept the (possibly modified) mode
1243 vid.fullscreen = vid.mode.fullscreen;
1244 vid.width = vid.mode.width;
1245 vid.height = vid.mode.height;
1246 vid.bitsperpixel = vid.mode.bitsperpixel;
1247 vid.refreshrate = vid.mode.refreshrate;
1248 vid.userefreshrate = vid.mode.userefreshrate;
1249 vid.stereobuffer = vid.mode.stereobuffer;
1250 vid.samples = vid.mode.samples;
1251 vid.stencil = vid.mode.bitsperpixel > 16;
1252 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) : "");
1254 Cvar_SetValueQuick(&vid_fullscreen, vid.mode.fullscreen);
1255 Cvar_SetValueQuick(&vid_width, vid.mode.width);
1256 Cvar_SetValueQuick(&vid_height, vid.mode.height);
1257 Cvar_SetValueQuick(&vid_bitsperpixel, vid.mode.bitsperpixel);
1258 Cvar_SetValueQuick(&vid_samples, vid.mode.samples);
1259 if(vid_userefreshrate.integer)
1260 Cvar_SetValueQuick(&vid_refreshrate, vid.mode.refreshrate);
1261 Cvar_SetValueQuick(&vid_stereobuffer, vid.mode.stereobuffer);
1269 static void VID_OpenSystems(void)
1275 static void VID_CloseSystems(void)
1278 R_Modules_Shutdown();
1281 qboolean vid_commandlinecheck = true;
1283 void VID_Restart_f(void)
1285 // don't crash if video hasn't started yet
1286 if (vid_commandlinecheck)
1289 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
1290 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) : "",
1291 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) : "");
1294 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer))
1296 Con_Print("Video mode change failed\n");
1297 if (!VID_Mode(vid.mode.fullscreen, vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.refreshrate, vid.mode.stereobuffer, vid.mode.samples))
1298 Sys_Error("Unable to restore to last working video mode");
1303 const char *vidfallbacks[][2] =
1305 {"vid_stereobuffer", "0"},
1306 {"vid_samples", "1"},
1307 {"vid_userefreshrate", "0"},
1308 {"vid_width", "640"},
1309 {"vid_height", "480"},
1310 {"vid_bitsperpixel", "16"},
1314 // this is only called once by Host_StartVideo
1315 void VID_Start(void)
1317 int i, width, height, success;
1318 if (vid_commandlinecheck)
1320 // interpret command-line parameters
1321 vid_commandlinecheck = false;
1322 // COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
1323 if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
1324 Cvar_SetValueQuick(&vid_fullscreen, false);
1325 // COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
1326 if (COM_CheckParm("-fullscreen"))
1327 Cvar_SetValueQuick(&vid_fullscreen, true);
1330 // 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)
1331 if ((i = COM_CheckParm("-width")) != 0)
1332 width = atoi(com_argv[i+1]);
1333 // 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)
1334 if ((i = COM_CheckParm("-height")) != 0)
1335 height = atoi(com_argv[i+1]);
1337 width = height * 4 / 3;
1339 height = width * 3 / 4;
1341 Cvar_SetValueQuick(&vid_width, width);
1343 Cvar_SetValueQuick(&vid_height, height);
1344 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
1345 if ((i = COM_CheckParm("-bpp")) != 0)
1346 Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
1349 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
1352 Con_Print("Desired video mode fail, trying fallbacks...\n");
1353 for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
1355 Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
1356 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
1359 Sys_Error("Video modes failed");
1364 int VID_SortModes_Compare(const void *a_, const void *b_)
1366 vid_mode_t *a = (vid_mode_t *) a_;
1367 vid_mode_t *b = (vid_mode_t *) b_;
1368 if(a->width > b->width)
1370 if(a->width < b->width)
1372 if(a->height > b->height)
1374 if(a->height < b->height)
1376 if(a->refreshrate > b->refreshrate)
1378 if(a->refreshrate < b->refreshrate)
1384 if(a->pixelheight_num * b->pixelheight_denom > a->pixelheight_denom * b->pixelheight_num)
1386 if(a->pixelheight_num * b->pixelheight_denom < a->pixelheight_denom * b->pixelheight_num)
1390 size_t VID_SortModes(vid_mode_t *modes, size_t count, qboolean usebpp, qboolean userefreshrate, qboolean useaspect)
1396 qsort(modes, count, sizeof(*modes), VID_SortModes_Compare);
1397 // 2. remove duplicates
1398 for(i = 0; i < count; ++i)
1400 if(modes[i].width && modes[i].height)
1404 if(modes[i].width != modes[i-1].width)
1406 if(modes[i].height != modes[i-1].height)
1409 if(modes[i].refreshrate != modes[i-1].refreshrate)
1412 if(modes[i].bpp != modes[i-1].bpp)
1415 if(modes[i].pixelheight_num * modes[i-1].pixelheight_denom != modes[i].pixelheight_denom * modes[i-1].pixelheight_num)
1418 // a dupe, or a bogus mode!
1420 memmove(&modes[i], &modes[i+1], sizeof(*modes) * (count-1 - i));
1421 --i; // check this index again, as mode i+1 is now here