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_touchscreen = {0, "vid_touchscreen", "0", "Use touchscreen-style input (no mouse grab, track mouse motion only while button is down, screen areas for mimicing joystick axes and buttons"};
71 cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
72 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" };
74 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"};
75 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)"};
76 cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
77 cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
78 cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
79 cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
80 cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
81 cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
82 cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
83 cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
84 cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
85 cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
86 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
87 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
88 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"};
89 cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
90 cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
92 // brand of graphics chip
93 const char *gl_vendor;
94 // graphics chip model and other information
95 const char *gl_renderer;
96 // begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
97 const char *gl_version;
98 // extensions list, space separated
99 const char *gl_extensions;
101 const char *gl_platform;
102 // another extensions list, containing platform-specific extensions that are
103 // not in the main list
104 const char *gl_platformextensions;
105 // name of driver library (opengl32.dll, libGL.so.1, or whatever)
108 // GL_ARB_multitexture
109 void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
110 void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
111 void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
112 void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
113 void (GLAPIENTRY *qglActiveTexture) (GLenum);
114 void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
116 // general GL functions
118 void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
120 void (GLAPIENTRY *qglClear)(GLbitfield mask);
122 void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
123 void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
124 void (GLAPIENTRY *qglCullFace)(GLenum mode);
126 void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
127 void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
128 void (GLAPIENTRY *qglEnable)(GLenum cap);
129 void (GLAPIENTRY *qglDisable)(GLenum cap);
130 GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
132 void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
133 void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
135 void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
136 void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
137 void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
138 void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
140 GLenum (GLAPIENTRY *qglGetError)(void);
141 const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
142 void (GLAPIENTRY *qglFinish)(void);
143 void (GLAPIENTRY *qglFlush)(void);
145 void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
146 void (GLAPIENTRY *qglDepthFunc)(GLenum func);
147 void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
148 void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
149 void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
151 void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
152 void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
153 void (GLAPIENTRY *qglDrawArrays)(GLenum mode, GLint first, GLsizei count);
154 void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
155 void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
156 void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
157 void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
158 void (GLAPIENTRY *qglArrayElement)(GLint i);
160 void (GLAPIENTRY *qglColor4ub)(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha);
161 void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
162 void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
163 void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
164 void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
165 void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
166 void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
167 void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
168 void (GLAPIENTRY *qglVertex4f)(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
169 void (GLAPIENTRY *qglBegin)(GLenum mode);
170 void (GLAPIENTRY *qglEnd)(void);
172 void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
173 //void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
174 //void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
175 void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
176 //void (GLAPIENTRY *qglPushMatrix)(void);
177 //void (GLAPIENTRY *qglPopMatrix)(void);
178 void (GLAPIENTRY *qglLoadIdentity)(void);
179 //void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
180 void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
181 //void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
182 //void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
183 //void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
184 //void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
185 //void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
186 //void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
187 //void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
188 //void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
190 void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
192 void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
193 void (GLAPIENTRY *qglStencilMask)(GLuint mask);
194 void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
195 void (GLAPIENTRY *qglClearStencil)(GLint s);
197 void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
198 void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
199 void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
200 void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
201 void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
202 void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
203 void (GLAPIENTRY *qglGetTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
204 void (GLAPIENTRY *qglGetTexParameteriv)(GLenum target, GLenum pname, GLint *params);
205 void (GLAPIENTRY *qglGetTexLevelParameterfv)(GLenum target, GLint level, GLenum pname, GLfloat *params);
206 void (GLAPIENTRY *qglGetTexLevelParameteriv)(GLenum target, GLint level, GLenum pname, GLint *params);
207 void (GLAPIENTRY *qglGetTexImage)(GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels);
208 void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
210 void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
211 void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
212 void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
213 //void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
214 //GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
215 //GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
216 //void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
217 void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
219 //void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
220 void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
221 //void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
222 void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
223 //void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
224 void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
225 //void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
226 void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
229 void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
231 //void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
233 void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
234 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);
235 void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
237 void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
239 void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
240 void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
241 void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
243 //void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
244 //void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
246 //[515]: added on 29.07.2005
247 void (GLAPIENTRY *qglLineWidth)(GLfloat width);
248 void (GLAPIENTRY *qglPointSize)(GLfloat size);
250 void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
252 void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
253 void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
254 void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
256 void (GLAPIENTRY *qglDeleteShader)(GLuint obj);
257 void (GLAPIENTRY *qglDeleteProgram)(GLuint obj);
258 //GLuint (GLAPIENTRY *qglGetHandle)(GLenum pname);
259 void (GLAPIENTRY *qglDetachShader)(GLuint containerObj, GLuint attachedObj);
260 GLuint (GLAPIENTRY *qglCreateShader)(GLenum shaderType);
261 void (GLAPIENTRY *qglShaderSource)(GLuint shaderObj, GLsizei count, const GLchar **string, const GLint *length);
262 void (GLAPIENTRY *qglCompileShader)(GLuint shaderObj);
263 GLuint (GLAPIENTRY *qglCreateProgram)(void);
264 void (GLAPIENTRY *qglAttachShader)(GLuint containerObj, GLuint obj);
265 void (GLAPIENTRY *qglLinkProgram)(GLuint programObj);
266 void (GLAPIENTRY *qglUseProgram)(GLuint programObj);
267 void (GLAPIENTRY *qglValidateProgram)(GLuint programObj);
268 void (GLAPIENTRY *qglUniform1f)(GLint location, GLfloat v0);
269 void (GLAPIENTRY *qglUniform2f)(GLint location, GLfloat v0, GLfloat v1);
270 void (GLAPIENTRY *qglUniform3f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
271 void (GLAPIENTRY *qglUniform4f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
272 void (GLAPIENTRY *qglUniform1i)(GLint location, GLint v0);
273 void (GLAPIENTRY *qglUniform2i)(GLint location, GLint v0, GLint v1);
274 void (GLAPIENTRY *qglUniform3i)(GLint location, GLint v0, GLint v1, GLint v2);
275 void (GLAPIENTRY *qglUniform4i)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
276 void (GLAPIENTRY *qglUniform1fv)(GLint location, GLsizei count, const GLfloat *value);
277 void (GLAPIENTRY *qglUniform2fv)(GLint location, GLsizei count, const GLfloat *value);
278 void (GLAPIENTRY *qglUniform3fv)(GLint location, GLsizei count, const GLfloat *value);
279 void (GLAPIENTRY *qglUniform4fv)(GLint location, GLsizei count, const GLfloat *value);
280 void (GLAPIENTRY *qglUniform1iv)(GLint location, GLsizei count, const GLint *value);
281 void (GLAPIENTRY *qglUniform2iv)(GLint location, GLsizei count, const GLint *value);
282 void (GLAPIENTRY *qglUniform3iv)(GLint location, GLsizei count, const GLint *value);
283 void (GLAPIENTRY *qglUniform4iv)(GLint location, GLsizei count, const GLint *value);
284 void (GLAPIENTRY *qglUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
285 void (GLAPIENTRY *qglUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
286 void (GLAPIENTRY *qglUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
287 void (GLAPIENTRY *qglGetShaderiv)(GLuint obj, GLenum pname, GLint *params);
288 void (GLAPIENTRY *qglGetProgramiv)(GLuint obj, GLenum pname, GLint *params);
289 void (GLAPIENTRY *qglGetShaderInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
290 void (GLAPIENTRY *qglGetProgramInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
291 void (GLAPIENTRY *qglGetAttachedShaders)(GLuint containerObj, GLsizei maxCount, GLsizei *count, GLuint *obj);
292 GLint (GLAPIENTRY *qglGetUniformLocation)(GLuint programObj, const GLchar *name);
293 void (GLAPIENTRY *qglGetActiveUniform)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
294 void (GLAPIENTRY *qglGetUniformfv)(GLuint programObj, GLint location, GLfloat *params);
295 void (GLAPIENTRY *qglGetUniformiv)(GLuint programObj, GLint location, GLint *params);
296 void (GLAPIENTRY *qglGetShaderSource)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *source);
298 void (GLAPIENTRY *qglVertexAttrib1f)(GLuint index, GLfloat v0);
299 void (GLAPIENTRY *qglVertexAttrib1s)(GLuint index, GLshort v0);
300 void (GLAPIENTRY *qglVertexAttrib1d)(GLuint index, GLdouble v0);
301 void (GLAPIENTRY *qglVertexAttrib2f)(GLuint index, GLfloat v0, GLfloat v1);
302 void (GLAPIENTRY *qglVertexAttrib2s)(GLuint index, GLshort v0, GLshort v1);
303 void (GLAPIENTRY *qglVertexAttrib2d)(GLuint index, GLdouble v0, GLdouble v1);
304 void (GLAPIENTRY *qglVertexAttrib3f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
305 void (GLAPIENTRY *qglVertexAttrib3s)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
306 void (GLAPIENTRY *qglVertexAttrib3d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
307 void (GLAPIENTRY *qglVertexAttrib4f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
308 void (GLAPIENTRY *qglVertexAttrib4s)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
309 void (GLAPIENTRY *qglVertexAttrib4d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
310 void (GLAPIENTRY *qglVertexAttrib4Nub)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
311 void (GLAPIENTRY *qglVertexAttrib1fv)(GLuint index, const GLfloat *v);
312 void (GLAPIENTRY *qglVertexAttrib1sv)(GLuint index, const GLshort *v);
313 void (GLAPIENTRY *qglVertexAttrib1dv)(GLuint index, const GLdouble *v);
314 void (GLAPIENTRY *qglVertexAttrib2fv)(GLuint index, const GLfloat *v);
315 void (GLAPIENTRY *qglVertexAttrib2sv)(GLuint index, const GLshort *v);
316 void (GLAPIENTRY *qglVertexAttrib2dv)(GLuint index, const GLdouble *v);
317 void (GLAPIENTRY *qglVertexAttrib3fv)(GLuint index, const GLfloat *v);
318 void (GLAPIENTRY *qglVertexAttrib3sv)(GLuint index, const GLshort *v);
319 void (GLAPIENTRY *qglVertexAttrib3dv)(GLuint index, const GLdouble *v);
320 void (GLAPIENTRY *qglVertexAttrib4fv)(GLuint index, const GLfloat *v);
321 void (GLAPIENTRY *qglVertexAttrib4sv)(GLuint index, const GLshort *v);
322 void (GLAPIENTRY *qglVertexAttrib4dv)(GLuint index, const GLdouble *v);
323 void (GLAPIENTRY *qglVertexAttrib4iv)(GLuint index, const GLint *v);
324 void (GLAPIENTRY *qglVertexAttrib4bv)(GLuint index, const GLbyte *v);
325 void (GLAPIENTRY *qglVertexAttrib4ubv)(GLuint index, const GLubyte *v);
326 void (GLAPIENTRY *qglVertexAttrib4usv)(GLuint index, const GLushort *v);
327 void (GLAPIENTRY *qglVertexAttrib4uiv)(GLuint index, const GLuint *v);
328 void (GLAPIENTRY *qglVertexAttrib4Nbv)(GLuint index, const GLbyte *v);
329 void (GLAPIENTRY *qglVertexAttrib4Nsv)(GLuint index, const GLshort *v);
330 void (GLAPIENTRY *qglVertexAttrib4Niv)(GLuint index, const GLint *v);
331 void (GLAPIENTRY *qglVertexAttrib4Nubv)(GLuint index, const GLubyte *v);
332 void (GLAPIENTRY *qglVertexAttrib4Nusv)(GLuint index, const GLushort *v);
333 void (GLAPIENTRY *qglVertexAttrib4Nuiv)(GLuint index, const GLuint *v);
334 void (GLAPIENTRY *qglVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
335 void (GLAPIENTRY *qglEnableVertexAttribArray)(GLuint index);
336 void (GLAPIENTRY *qglDisableVertexAttribArray)(GLuint index);
337 void (GLAPIENTRY *qglBindAttribLocation)(GLuint programObj, GLuint index, const GLchar *name);
338 void (GLAPIENTRY *qglBindFragDataLocation)(GLuint programObj, GLuint index, const GLchar *name);
339 void (GLAPIENTRY *qglGetActiveAttrib)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
340 GLint (GLAPIENTRY *qglGetAttribLocation)(GLuint programObj, const GLchar *name);
341 void (GLAPIENTRY *qglGetVertexAttribdv)(GLuint index, GLenum pname, GLdouble *params);
342 void (GLAPIENTRY *qglGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat *params);
343 void (GLAPIENTRY *qglGetVertexAttribiv)(GLuint index, GLenum pname, GLint *params);
344 void (GLAPIENTRY *qglGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid **pointer);
346 //GL_ARB_vertex_buffer_object
347 void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
348 void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
349 void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
350 GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
351 GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
352 GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
353 void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
354 void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
356 //GL_EXT_framebuffer_object
357 GLboolean (GLAPIENTRY *qglIsRenderbufferEXT)(GLuint renderbuffer);
358 void (GLAPIENTRY *qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer);
359 void (GLAPIENTRY *qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers);
360 void (GLAPIENTRY *qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers);
361 void (GLAPIENTRY *qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
362 void (GLAPIENTRY *qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params);
363 GLboolean (GLAPIENTRY *qglIsFramebufferEXT)(GLuint framebuffer);
364 void (GLAPIENTRY *qglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
365 void (GLAPIENTRY *qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
366 void (GLAPIENTRY *qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
367 GLenum (GLAPIENTRY *qglCheckFramebufferStatusEXT)(GLenum target);
368 //void (GLAPIENTRY *qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
369 void (GLAPIENTRY *qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
370 void (GLAPIENTRY *qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
371 void (GLAPIENTRY *qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
372 void (GLAPIENTRY *qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
373 void (GLAPIENTRY *qglGenerateMipmapEXT)(GLenum target);
375 void (GLAPIENTRY *qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
377 void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
378 void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
379 //void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
380 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);
381 void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
382 //void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
383 void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
385 void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
386 void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
387 GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
388 void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
389 void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
390 void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
391 void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
392 void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
395 #define sscanf sscanf_s
398 qboolean GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent)
401 const dllfunction_t *func;
402 struct { int major, minor; } min_version, curr_version;
403 char extstr[MAX_INPUTLINE];
406 if(sscanf(minglver_or_ext, "%d.%d", &min_version.major, &min_version.minor) == 2)
407 ext = 0; // opengl version
408 else if(minglver_or_ext[0] != toupper(minglver_or_ext[0]))
409 ext = -1; // pseudo name
411 ext = 1; // extension name
414 Con_DPrintf("checking for %s... ", minglver_or_ext);
416 Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext);
418 for (func = funcs;func && func->name;func++)
419 *func->funcvariable = NULL;
421 if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
423 Con_DPrint("disabled by commandline\n");
427 if (ext == 1) // opengl extension
429 if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext))
431 Con_DPrint("not detected\n");
436 if(ext == 0) // opengl version
438 if (sscanf(gl_version, "%d.%d", &curr_version.major, &curr_version.minor) < 2)
439 curr_version.major = curr_version.minor = 1;
441 if (curr_version.major < min_version.major || (curr_version.major == min_version.major && curr_version.minor < min_version.minor))
443 Con_DPrintf("not detected (OpenGL %d.%d loaded)\n", curr_version.major, curr_version.minor);
448 for (func = funcs;func && func->name != NULL;func++)
450 // Con_DPrintf("\n %s... ", func->name);
452 // functions are cleared before all the extensions are evaluated
453 if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
456 Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
458 Con_Printf("OpenGL %s core features are missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
462 // delay the return so it prints all missing functions
465 // VorteX: add to found extension list
466 dpsnprintf(extstr, sizeof(extstr), "%s %s ", gl_info_extensions.string, minglver_or_ext);
467 Cvar_SetQuick(&gl_info_extensions, extstr);
469 Con_DPrint("enabled\n");
473 static dllfunction_t opengl110funcs[] =
475 {"glClearColor", (void **) &qglClearColor},
476 {"glClear", (void **) &qglClear},
477 {"glAlphaFunc", (void **) &qglAlphaFunc},
478 {"glBlendFunc", (void **) &qglBlendFunc},
479 {"glCullFace", (void **) &qglCullFace},
480 {"glDrawBuffer", (void **) &qglDrawBuffer},
481 {"glReadBuffer", (void **) &qglReadBuffer},
482 {"glEnable", (void **) &qglEnable},
483 {"glDisable", (void **) &qglDisable},
484 {"glIsEnabled", (void **) &qglIsEnabled},
485 {"glEnableClientState", (void **) &qglEnableClientState},
486 {"glDisableClientState", (void **) &qglDisableClientState},
487 {"glGetBooleanv", (void **) &qglGetBooleanv},
488 {"glGetDoublev", (void **) &qglGetDoublev},
489 {"glGetFloatv", (void **) &qglGetFloatv},
490 {"glGetIntegerv", (void **) &qglGetIntegerv},
491 {"glGetError", (void **) &qglGetError},
492 {"glGetString", (void **) &qglGetString},
493 {"glFinish", (void **) &qglFinish},
494 {"glFlush", (void **) &qglFlush},
495 {"glClearDepth", (void **) &qglClearDepth},
496 {"glDepthFunc", (void **) &qglDepthFunc},
497 {"glDepthMask", (void **) &qglDepthMask},
498 {"glDepthRange", (void **) &qglDepthRange},
499 {"glDrawElements", (void **) &qglDrawElements},
500 {"glDrawArrays", (void **) &qglDrawArrays},
501 {"glColorMask", (void **) &qglColorMask},
502 {"glVertexPointer", (void **) &qglVertexPointer},
503 {"glNormalPointer", (void **) &qglNormalPointer},
504 {"glColorPointer", (void **) &qglColorPointer},
505 {"glTexCoordPointer", (void **) &qglTexCoordPointer},
506 {"glArrayElement", (void **) &qglArrayElement},
507 {"glColor4ub", (void **) &qglColor4ub},
508 {"glColor4f", (void **) &qglColor4f},
509 {"glTexCoord1f", (void **) &qglTexCoord1f},
510 {"glTexCoord2f", (void **) &qglTexCoord2f},
511 {"glTexCoord3f", (void **) &qglTexCoord3f},
512 {"glTexCoord4f", (void **) &qglTexCoord4f},
513 {"glVertex2f", (void **) &qglVertex2f},
514 {"glVertex3f", (void **) &qglVertex3f},
515 {"glVertex4f", (void **) &qglVertex4f},
516 {"glBegin", (void **) &qglBegin},
517 {"glEnd", (void **) &qglEnd},
518 //[515]: added on 29.07.2005
519 {"glLineWidth", (void**) &qglLineWidth},
520 {"glPointSize", (void**) &qglPointSize},
522 {"glMatrixMode", (void **) &qglMatrixMode},
523 // {"glOrtho", (void **) &qglOrtho},
524 // {"glFrustum", (void **) &qglFrustum},
525 {"glViewport", (void **) &qglViewport},
526 // {"glPushMatrix", (void **) &qglPushMatrix},
527 // {"glPopMatrix", (void **) &qglPopMatrix},
528 {"glLoadIdentity", (void **) &qglLoadIdentity},
529 // {"glLoadMatrixd", (void **) &qglLoadMatrixd},
530 {"glLoadMatrixf", (void **) &qglLoadMatrixf},
531 // {"glMultMatrixd", (void **) &qglMultMatrixd},
532 // {"glMultMatrixf", (void **) &qglMultMatrixf},
533 // {"glRotated", (void **) &qglRotated},
534 // {"glRotatef", (void **) &qglRotatef},
535 // {"glScaled", (void **) &qglScaled},
536 // {"glScalef", (void **) &qglScalef},
537 // {"glTranslated", (void **) &qglTranslated},
538 // {"glTranslatef", (void **) &qglTranslatef},
539 {"glReadPixels", (void **) &qglReadPixels},
540 {"glStencilFunc", (void **) &qglStencilFunc},
541 {"glStencilMask", (void **) &qglStencilMask},
542 {"glStencilOp", (void **) &qglStencilOp},
543 {"glClearStencil", (void **) &qglClearStencil},
544 {"glTexEnvf", (void **) &qglTexEnvf},
545 {"glTexEnvfv", (void **) &qglTexEnvfv},
546 {"glTexEnvi", (void **) &qglTexEnvi},
547 {"glTexParameterf", (void **) &qglTexParameterf},
548 {"glTexParameterfv", (void **) &qglTexParameterfv},
549 {"glTexParameteri", (void **) &qglTexParameteri},
550 {"glGetTexImage", (void **) &qglGetTexImage},
551 {"glGetTexParameterfv", (void **) &qglGetTexParameterfv},
552 {"glGetTexParameteriv", (void **) &qglGetTexParameteriv},
553 {"glGetTexLevelParameterfv", (void **) &qglGetTexLevelParameterfv},
554 {"glGetTexLevelParameteriv", (void **) &qglGetTexLevelParameteriv},
555 {"glHint", (void **) &qglHint},
556 // {"glPixelStoref", (void **) &qglPixelStoref},
557 {"glPixelStorei", (void **) &qglPixelStorei},
558 {"glGenTextures", (void **) &qglGenTextures},
559 {"glDeleteTextures", (void **) &qglDeleteTextures},
560 {"glBindTexture", (void **) &qglBindTexture},
561 // {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
562 // {"glAreTexturesResident", (void **) &qglAreTexturesResident},
563 // {"glIsTexture", (void **) &qglIsTexture},
564 // {"glTexImage1D", (void **) &qglTexImage1D},
565 {"glTexImage2D", (void **) &qglTexImage2D},
566 // {"glTexSubImage1D", (void **) &qglTexSubImage1D},
567 {"glTexSubImage2D", (void **) &qglTexSubImage2D},
568 // {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
569 {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
570 // {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
571 {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
572 {"glScissor", (void **) &qglScissor},
573 {"glPolygonOffset", (void **) &qglPolygonOffset},
574 {"glPolygonMode", (void **) &qglPolygonMode},
575 {"glPolygonStipple", (void **) &qglPolygonStipple},
576 // {"glClipPlane", (void **) &qglClipPlane},
577 // {"glGetClipPlane", (void **) &qglGetClipPlane},
581 static dllfunction_t drawrangeelementsfuncs[] =
583 {"glDrawRangeElements", (void **) &qglDrawRangeElements},
587 static dllfunction_t drawrangeelementsextfuncs[] =
589 {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
593 static dllfunction_t multitexturefuncs[] =
595 {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f},
596 {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
597 {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
598 {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f},
599 {"glActiveTextureARB", (void **) &qglActiveTexture},
600 {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
604 static dllfunction_t texture3dextfuncs[] =
606 {"glTexImage3DEXT", (void **) &qglTexImage3D},
607 {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
608 {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
612 static dllfunction_t atiseparatestencilfuncs[] =
614 {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
615 {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
619 static dllfunction_t gl2separatestencilfuncs[] =
621 {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
622 {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
626 static dllfunction_t stenciltwosidefuncs[] =
628 {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
632 static dllfunction_t blendequationfuncs[] =
634 {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
638 static dllfunction_t gl20shaderfuncs[] =
640 {"glDeleteShader", (void **) &qglDeleteShader},
641 {"glDeleteProgram", (void **) &qglDeleteProgram},
642 // {"glGetHandle", (void **) &qglGetHandle},
643 {"glDetachShader", (void **) &qglDetachShader},
644 {"glCreateShader", (void **) &qglCreateShader},
645 {"glShaderSource", (void **) &qglShaderSource},
646 {"glCompileShader", (void **) &qglCompileShader},
647 {"glCreateProgram", (void **) &qglCreateProgram},
648 {"glAttachShader", (void **) &qglAttachShader},
649 {"glLinkProgram", (void **) &qglLinkProgram},
650 {"glUseProgram", (void **) &qglUseProgram},
651 {"glValidateProgram", (void **) &qglValidateProgram},
652 {"glUniform1f", (void **) &qglUniform1f},
653 {"glUniform2f", (void **) &qglUniform2f},
654 {"glUniform3f", (void **) &qglUniform3f},
655 {"glUniform4f", (void **) &qglUniform4f},
656 {"glUniform1i", (void **) &qglUniform1i},
657 {"glUniform2i", (void **) &qglUniform2i},
658 {"glUniform3i", (void **) &qglUniform3i},
659 {"glUniform4i", (void **) &qglUniform4i},
660 {"glUniform1fv", (void **) &qglUniform1fv},
661 {"glUniform2fv", (void **) &qglUniform2fv},
662 {"glUniform3fv", (void **) &qglUniform3fv},
663 {"glUniform4fv", (void **) &qglUniform4fv},
664 {"glUniform1iv", (void **) &qglUniform1iv},
665 {"glUniform2iv", (void **) &qglUniform2iv},
666 {"glUniform3iv", (void **) &qglUniform3iv},
667 {"glUniform4iv", (void **) &qglUniform4iv},
668 {"glUniformMatrix2fv", (void **) &qglUniformMatrix2fv},
669 {"glUniformMatrix3fv", (void **) &qglUniformMatrix3fv},
670 {"glUniformMatrix4fv", (void **) &qglUniformMatrix4fv},
671 {"glGetShaderiv", (void **) &qglGetShaderiv},
672 {"glGetProgramiv", (void **) &qglGetProgramiv},
673 {"glGetShaderInfoLog", (void **) &qglGetShaderInfoLog},
674 {"glGetProgramInfoLog", (void **) &qglGetProgramInfoLog},
675 {"glGetAttachedShaders", (void **) &qglGetAttachedShaders},
676 {"glGetUniformLocation", (void **) &qglGetUniformLocation},
677 {"glGetActiveUniform", (void **) &qglGetActiveUniform},
678 {"glGetUniformfv", (void **) &qglGetUniformfv},
679 {"glGetUniformiv", (void **) &qglGetUniformiv},
680 {"glGetShaderSource", (void **) &qglGetShaderSource},
681 {"glVertexAttrib1f", (void **) &qglVertexAttrib1f},
682 {"glVertexAttrib1s", (void **) &qglVertexAttrib1s},
683 {"glVertexAttrib1d", (void **) &qglVertexAttrib1d},
684 {"glVertexAttrib2f", (void **) &qglVertexAttrib2f},
685 {"glVertexAttrib2s", (void **) &qglVertexAttrib2s},
686 {"glVertexAttrib2d", (void **) &qglVertexAttrib2d},
687 {"glVertexAttrib3f", (void **) &qglVertexAttrib3f},
688 {"glVertexAttrib3s", (void **) &qglVertexAttrib3s},
689 {"glVertexAttrib3d", (void **) &qglVertexAttrib3d},
690 {"glVertexAttrib4f", (void **) &qglVertexAttrib4f},
691 {"glVertexAttrib4s", (void **) &qglVertexAttrib4s},
692 {"glVertexAttrib4d", (void **) &qglVertexAttrib4d},
693 {"glVertexAttrib4Nub", (void **) &qglVertexAttrib4Nub},
694 {"glVertexAttrib1fv", (void **) &qglVertexAttrib1fv},
695 {"glVertexAttrib1sv", (void **) &qglVertexAttrib1sv},
696 {"glVertexAttrib1dv", (void **) &qglVertexAttrib1dv},
697 {"glVertexAttrib2fv", (void **) &qglVertexAttrib1fv},
698 {"glVertexAttrib2sv", (void **) &qglVertexAttrib1sv},
699 {"glVertexAttrib2dv", (void **) &qglVertexAttrib1dv},
700 {"glVertexAttrib3fv", (void **) &qglVertexAttrib1fv},
701 {"glVertexAttrib3sv", (void **) &qglVertexAttrib1sv},
702 {"glVertexAttrib3dv", (void **) &qglVertexAttrib1dv},
703 {"glVertexAttrib4fv", (void **) &qglVertexAttrib1fv},
704 {"glVertexAttrib4sv", (void **) &qglVertexAttrib1sv},
705 {"glVertexAttrib4dv", (void **) &qglVertexAttrib1dv},
706 // {"glVertexAttrib4iv", (void **) &qglVertexAttrib1iv},
707 // {"glVertexAttrib4bv", (void **) &qglVertexAttrib1bv},
708 // {"glVertexAttrib4ubv", (void **) &qglVertexAttrib1ubv},
709 // {"glVertexAttrib4usv", (void **) &qglVertexAttrib1usv},
710 // {"glVertexAttrib4uiv", (void **) &qglVertexAttrib1uiv},
711 // {"glVertexAttrib4Nbv", (void **) &qglVertexAttrib1Nbv},
712 // {"glVertexAttrib4Nsv", (void **) &qglVertexAttrib1Nsv},
713 // {"glVertexAttrib4Niv", (void **) &qglVertexAttrib1Niv},
714 // {"glVertexAttrib4Nubv", (void **) &qglVertexAttrib1Nubv},
715 // {"glVertexAttrib4Nusv", (void **) &qglVertexAttrib1Nusv},
716 // {"glVertexAttrib4Nuiv", (void **) &qglVertexAttrib1Nuiv},
717 {"glVertexAttribPointer", (void **) &qglVertexAttribPointer},
718 {"glEnableVertexAttribArray", (void **) &qglEnableVertexAttribArray},
719 {"glDisableVertexAttribArray", (void **) &qglDisableVertexAttribArray},
720 {"glBindAttribLocation", (void **) &qglBindAttribLocation},
721 {"glGetActiveAttrib", (void **) &qglGetActiveAttrib},
722 {"glGetAttribLocation", (void **) &qglGetAttribLocation},
723 {"glGetVertexAttribdv", (void **) &qglGetVertexAttribdv},
724 {"glGetVertexAttribfv", (void **) &qglGetVertexAttribfv},
725 {"glGetVertexAttribiv", (void **) &qglGetVertexAttribiv},
726 {"glGetVertexAttribPointerv", (void **) &qglGetVertexAttribPointerv},
730 static dllfunction_t glsl130funcs[] =
732 {"glBindFragDataLocation", (void **) &qglBindFragDataLocation},
736 static dllfunction_t vbofuncs[] =
738 {"glBindBufferARB" , (void **) &qglBindBufferARB},
739 {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
740 {"glGenBuffersARB" , (void **) &qglGenBuffersARB},
741 {"glIsBufferARB" , (void **) &qglIsBufferARB},
742 {"glMapBufferARB" , (void **) &qglMapBufferARB},
743 {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB},
744 {"glBufferDataARB" , (void **) &qglBufferDataARB},
745 {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
749 static dllfunction_t fbofuncs[] =
751 {"glIsRenderbufferEXT" , (void **) &qglIsRenderbufferEXT},
752 {"glBindRenderbufferEXT" , (void **) &qglBindRenderbufferEXT},
753 {"glDeleteRenderbuffersEXT" , (void **) &qglDeleteRenderbuffersEXT},
754 {"glGenRenderbuffersEXT" , (void **) &qglGenRenderbuffersEXT},
755 {"glRenderbufferStorageEXT" , (void **) &qglRenderbufferStorageEXT},
756 {"glGetRenderbufferParameterivEXT" , (void **) &qglGetRenderbufferParameterivEXT},
757 {"glIsFramebufferEXT" , (void **) &qglIsFramebufferEXT},
758 {"glBindFramebufferEXT" , (void **) &qglBindFramebufferEXT},
759 {"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffersEXT},
760 {"glGenFramebuffersEXT" , (void **) &qglGenFramebuffersEXT},
761 {"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatusEXT},
762 // {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT},
763 {"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2DEXT},
764 {"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3DEXT},
765 {"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbufferEXT},
766 {"glGetFramebufferAttachmentParameterivEXT" , (void **) &qglGetFramebufferAttachmentParameterivEXT},
767 {"glGenerateMipmapEXT" , (void **) &qglGenerateMipmapEXT},
771 static dllfunction_t texturecompressionfuncs[] =
773 {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB},
774 {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB},
775 // {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB},
776 {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB},
777 {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB},
778 // {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB},
779 {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB},
783 static dllfunction_t occlusionqueryfuncs[] =
785 {"glGenQueriesARB", (void **) &qglGenQueriesARB},
786 {"glDeleteQueriesARB", (void **) &qglDeleteQueriesARB},
787 {"glIsQueryARB", (void **) &qglIsQueryARB},
788 {"glBeginQueryARB", (void **) &qglBeginQueryARB},
789 {"glEndQueryARB", (void **) &qglEndQueryARB},
790 {"glGetQueryivARB", (void **) &qglGetQueryivARB},
791 {"glGetQueryObjectivARB", (void **) &qglGetQueryObjectivARB},
792 {"glGetQueryObjectuivARB", (void **) &qglGetQueryObjectuivARB},
796 static dllfunction_t drawbuffersfuncs[] =
798 {"glDrawBuffersARB", (void **) &qglDrawBuffersARB},
802 void VID_ClearExtensions(void)
804 // VorteX: reset extensions info cvar, it got filled by GL_CheckExtension
805 Cvar_SetQuick(&gl_info_extensions, "");
807 // clear the extension flags
808 memset(&vid.support, 0, sizeof(vid.support));
809 vid.renderpath = RENDERPATH_GL11;
810 vid.useinterleavedarrays = false;
811 vid.forcevbo = false;
812 vid.maxtexturesize_2d = 0;
813 vid.maxtexturesize_3d = 0;
814 vid.maxtexturesize_cubemap = 0;
816 vid.teximageunits = 1;
817 vid.texarrayunits = 1;
818 vid.max_anisotropy = 1;
819 vid.maxdrawbuffers = 1;
821 // this is a complete list of all functions that are directly checked in the renderer
822 qglDrawRangeElements = NULL;
823 qglDrawBuffer = NULL;
824 qglPolygonStipple = NULL;
826 qglActiveTexture = NULL;
827 qglGetCompressedTexImageARB = NULL;
828 qglFramebufferTexture2DEXT = NULL;
829 qglDrawBuffersARB = NULL;
832 void VID_CheckExtensions(void)
834 if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false))
835 Sys_Error("OpenGL 1.1.0 functions not found");
836 vid.support.gl20shaders = GL_CheckExtension("2.0", gl20shaderfuncs, "-noshaders", false);
840 Con_DPrint("Checking OpenGL extensions...\n");
842 // this one is purely optional, needed for GLSL 1.3 support (#version 130), so we don't even check the return value of GL_CheckExtension
843 vid.support.gl20shaders130 = GL_CheckExtension("2.0", glsl130funcs, "-noglsl130", false);
844 if(vid.support.gl20shaders130)
846 char *s = (char *) qglGetString(GL_SHADING_LANGUAGE_VERSION);
847 if(!s || atof(s) < 1.30 - 0.00001)
848 vid.support.gl20shaders130 = 0;
850 if(vid.support.gl20shaders130)
851 Con_DPrintf("Using GLSL 1.30\n");
853 Con_DPrintf("Using GLSL 1.00\n");
855 vid.support.amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", NULL, "-notexture4", false);
856 vid.support.arb_depth_texture = GL_CheckExtension("GL_ARB_depth_texture", NULL, "-nodepthtexture", false);
857 vid.support.arb_draw_buffers = GL_CheckExtension("GL_ARB_draw_buffers", drawbuffersfuncs, "-nodrawbuffers", false);
858 vid.support.arb_multitexture = GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false);
859 vid.support.arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false);
860 vid.support.arb_shadow = GL_CheckExtension("GL_ARB_shadow", NULL, "-noshadow", false);
861 vid.support.arb_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false);
862 vid.support.arb_texture_cube_map = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
863 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);
864 vid.support.arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false);
865 vid.support.arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
866 vid.support.arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
867 vid.support.ati_separate_stencil = GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true) || GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
868 vid.support.ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
869 vid.support.ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
870 vid.support.ext_draw_range_elements = GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true) || GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
871 vid.support.ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", fbofuncs, "-nofbo", false);
872 vid.support.ext_stencil_two_side = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
873 vid.support.ext_texture_3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
874 vid.support.ext_texture_compression_s3tc = GL_CheckExtension("GL_EXT_texture_compression_s3tc", NULL, "-nos3tc", false);
875 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);
876 vid.support.ext_texture_filter_anisotropic = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false);
877 // COMMANDLINEOPTION: GL: -noshaders disables use of OpenGL 2.0 shaders (which allow pixel shader effects, can improve per pixel lighting performance and capabilities)
878 // COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
879 // COMMANDLINEOPTION: GL: -noblendminmax disables GL_EXT_blend_minmax
880 // COMMANDLINEOPTION: GL: -noblendsubtract disables GL_EXT_blend_subtract
881 // COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
882 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
883 // COMMANDLINEOPTION: GL: -nodepthtexture disables use of GL_ARB_depth_texture (required for shadowmapping)
884 // COMMANDLINEOPTION: GL: -nodrawbuffers disables use of GL_ARB_draw_buffers (required for r_shadow_deferredprepass)
885 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
886 // 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)
887 // COMMANDLINEOPTION: GL: -nofbo disables GL_EXT_framebuffer_object (which accelerates rendering), only used if GL_ARB_fragment_shader is also available
888 // COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
889 // COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations)
890 // COMMANDLINEOPTION: GL: -nos3tc disables GL_EXT_texture_compression_s3tc (which allows use of .dds texture caching)
891 // COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering)
892 // COMMANDLINEOPTION: GL: -noshadow disables use of GL_ARB_shadow (required for hardware shadowmap filtering)
893 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
894 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
895 // COMMANDLINEOPTION: GL: -notexture4 disables GL_AMD_texture_texture4 (which provides fetch4 sampling)
896 // 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)
897 // COMMANDLINEOPTION: GL: -notexturegather disables GL_ARB_texture_gather (which provides fetch4 sampling)
898 // 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)
899 // COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
901 if (vid.support.arb_draw_buffers)
902 qglGetIntegerv(GL_MAX_DRAW_BUFFERS_ARB, (GLint*)&vid.maxdrawbuffers);
904 // 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
905 // we detect these cards by checking if the hardware supports vertex texture fetch (Geforce6 does, Radeon X1600 does not, all GL3-class hardware does)
906 if(vid.support.arb_texture_non_power_of_two && vid.support.gl20shaders)
909 qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &val);CHECKGLERROR
911 vid.support.arb_texture_non_power_of_two = false;
914 // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
915 if (qglDrawRangeElements == NULL)
916 qglDrawRangeElements = qglDrawRangeElementsEXT;
918 qglGetIntegerv(GL_MAX_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_2d);
919 if (vid.support.ext_texture_filter_anisotropic)
920 qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, (GLint*)&vid.max_anisotropy);
921 if (vid.support.arb_texture_cube_map)
922 qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, (GLint*)&vid.maxtexturesize_cubemap);
923 if (vid.support.ext_texture_3d)
924 qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_3d);
926 // verify that 3d textures are really supported
927 if (vid.support.ext_texture_3d && vid.maxtexturesize_3d < 32)
929 vid.support.ext_texture_3d = false;
930 Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
933 vid.texunits = vid.teximageunits = vid.texarrayunits = 1;
934 if (vid.support.arb_multitexture)
935 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
936 if (vid_gl20.integer && vid.support.gl20shaders)
938 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
939 qglGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, (int *)&vid.teximageunits);CHECKGLERROR
940 qglGetIntegerv(GL_MAX_TEXTURE_COORDS, (int *)&vid.texarrayunits);CHECKGLERROR
941 vid.texunits = bound(4, vid.texunits, MAX_TEXTUREUNITS);
942 vid.teximageunits = bound(16, vid.teximageunits, MAX_TEXTUREUNITS);
943 vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS);
944 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" : "");
945 vid.renderpath = RENDERPATH_GL20;
946 vid.useinterleavedarrays = false;
948 else if (vid.support.arb_texture_env_combine && vid.texunits >= 2 && vid_gl13.integer)
950 qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
951 vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS);
952 vid.teximageunits = vid.texunits;
953 vid.texarrayunits = vid.texunits;
954 Con_DPrintf("Using GL1.3 rendering path - %i texture units, single pass rendering\n", vid.texunits);
955 vid.renderpath = RENDERPATH_GL13;
956 vid.useinterleavedarrays = false;
960 vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS);
961 vid.teximageunits = vid.texunits;
962 vid.texarrayunits = vid.texunits;
963 Con_DPrintf("Using GL1.1 rendering path - %i texture units, two pass rendering\n", vid.texunits);
964 vid.renderpath = RENDERPATH_GL11;
965 vid.useinterleavedarrays = false;
968 // VorteX: set other info (maybe place them in VID_InitMode?)
969 Cvar_SetQuick(&gl_info_vendor, gl_vendor);
970 Cvar_SetQuick(&gl_info_renderer, gl_renderer);
971 Cvar_SetQuick(&gl_info_version, gl_version);
972 Cvar_SetQuick(&gl_info_platform, gl_platform ? gl_platform : "");
973 Cvar_SetQuick(&gl_info_driver, gl_driver);
976 void Force_CenterView_f (void)
978 cl.viewangles[PITCH] = 0;
981 static int gamma_forcenextframe = false;
982 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
983 static int cachecolorenable, cachehwgamma;
985 unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
986 qboolean vid_gammatables_trivial = true;
987 void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
989 if (cachecolorenable)
991 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
992 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
993 BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
997 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
998 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
999 BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
1002 // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
1003 // immensely butchered it to work with variable framerates and fit in with
1004 // the rest of darkplaces.
1005 if (v_psycho.integer)
1009 static float n[3], nd[3], nt[3];
1010 static int init = true;
1011 unsigned short *ramp;
1012 gamma_forcenextframe = true;
1016 for (x = 0;x < 3;x++)
1018 n[x] = lhrandom(0, 1);
1019 nd[x] = (rand()&1)?-0.25:0.25;
1020 nt[x] = lhrandom(1, 8.2);
1024 for (x = 0;x < 3;x++)
1026 nt[x] -= cl.realframetime;
1030 nt[x] += lhrandom(1, 8.2);
1032 n[x] += nd[x] * cl.realframetime;
1033 n[x] -= floor(n[x]);
1036 for (x = 0, ramp = ramps;x < 3;x++)
1037 for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize))
1038 *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
1042 void VID_UpdateGamma(qboolean force, int rampsize)
1047 qboolean gamma_changed = false;
1049 // LordHavoc: don't mess with gamma tables if running dedicated
1050 if (cls.state == ca_dedicated)
1053 wantgamma = v_hwgamma.integer;
1054 switch(vid.renderpath)
1056 case RENDERPATH_GL20:
1057 case RENDERPATH_D3D9:
1058 case RENDERPATH_D3D10:
1059 case RENDERPATH_D3D11:
1060 case RENDERPATH_SOFT:
1061 case RENDERPATH_GLES2:
1062 if (v_glslgamma.integer)
1065 case RENDERPATH_GL13:
1066 case RENDERPATH_GL11:
1069 if(!vid_activewindow)
1071 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
1072 BOUNDCVAR(v_gamma, 0.1, 5);
1073 BOUNDCVAR(v_contrast, 1, 5);
1074 BOUNDCVAR(v_brightness, 0, 0.8);
1075 //BOUNDCVAR(v_contrastboost, 0.0625, 16);
1076 BOUNDCVAR(v_color_black_r, 0, 0.8);
1077 BOUNDCVAR(v_color_black_g, 0, 0.8);
1078 BOUNDCVAR(v_color_black_b, 0, 0.8);
1079 BOUNDCVAR(v_color_grey_r, 0, 0.95);
1080 BOUNDCVAR(v_color_grey_g, 0, 0.95);
1081 BOUNDCVAR(v_color_grey_b, 0, 0.95);
1082 BOUNDCVAR(v_color_white_r, 1, 5);
1083 BOUNDCVAR(v_color_white_g, 1, 5);
1084 BOUNDCVAR(v_color_white_b, 1, 5);
1087 // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
1088 vid_gammatables_trivial = false;
1089 if(v_psycho.integer == 0)
1090 if(v_contrastboost.value == 1)
1092 if(v_color_enable.integer)
1094 if(v_color_black_r.value == 0)
1095 if(v_color_black_g.value == 0)
1096 if(v_color_black_b.value == 0)
1097 if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
1098 if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
1099 if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
1100 if(v_color_white_r.value == 1)
1101 if(v_color_white_g.value == 1)
1102 if(v_color_white_b.value == 1)
1103 vid_gammatables_trivial = true;
1107 if(v_gamma.value == 1)
1108 if(v_contrast.value == 1)
1109 if(v_brightness.value == 0)
1110 vid_gammatables_trivial = true;
1114 #define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
1115 if(v_psycho.integer)
1116 gamma_changed = true;
1117 GAMMACHECK(cachegamma , v_gamma.value);
1118 GAMMACHECK(cachecontrast , v_contrast.value);
1119 GAMMACHECK(cachebrightness , v_brightness.value);
1120 GAMMACHECK(cachecontrastboost, v_contrastboost.value);
1121 GAMMACHECK(cachecolorenable, v_color_enable.integer);
1122 GAMMACHECK(cacheblack[0] , v_color_black_r.value);
1123 GAMMACHECK(cacheblack[1] , v_color_black_g.value);
1124 GAMMACHECK(cacheblack[2] , v_color_black_b.value);
1125 GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
1126 GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
1127 GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
1128 GAMMACHECK(cachewhite[0] , v_color_white_r.value);
1129 GAMMACHECK(cachewhite[1] , v_color_white_g.value);
1130 GAMMACHECK(cachewhite[2] , v_color_white_b.value);
1133 ++vid_gammatables_serial;
1135 GAMMACHECK(cachehwgamma , wantgamma);
1138 if (!force && !gamma_forcenextframe && !gamma_changed)
1141 gamma_forcenextframe = false;
1145 if (!vid_usinghwgamma)
1147 vid_usinghwgamma = true;
1148 if (vid_gammarampsize != rampsize || !vid_gammaramps)
1150 vid_gammarampsize = rampsize;
1152 Z_Free(vid_gammaramps);
1153 vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short));
1154 vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize;
1156 VID_GetGamma(vid_systemgammaramps, vid_gammarampsize);
1159 VID_BuildGammaTables(vid_gammaramps, vid_gammarampsize);
1161 // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value)
1162 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2);
1163 // if custom gamma ramps failed (Windows stupidity), restore to system gamma
1164 if(!vid_hardwaregammasupported.integer)
1166 if (vid_usinghwgamma)
1168 vid_usinghwgamma = false;
1169 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1175 if (vid_usinghwgamma)
1177 vid_usinghwgamma = false;
1178 VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
1183 void VID_RestoreSystemGamma(void)
1185 if (vid_usinghwgamma)
1187 vid_usinghwgamma = false;
1188 Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
1189 // force gamma situation to be reexamined next frame
1190 gamma_forcenextframe = true;
1194 void VID_Shared_Init(void)
1196 Cvar_RegisterVariable(&vid_hardwaregammasupported);
1197 Cvar_RegisterVariable(&gl_info_vendor);
1198 Cvar_RegisterVariable(&gl_info_renderer);
1199 Cvar_RegisterVariable(&gl_info_version);
1200 Cvar_RegisterVariable(&gl_info_extensions);
1201 Cvar_RegisterVariable(&gl_info_platform);
1202 Cvar_RegisterVariable(&gl_info_driver);
1203 Cvar_RegisterVariable(&v_gamma);
1204 Cvar_RegisterVariable(&v_brightness);
1205 Cvar_RegisterVariable(&v_contrastboost);
1206 Cvar_RegisterVariable(&v_contrast);
1208 Cvar_RegisterVariable(&v_color_enable);
1209 Cvar_RegisterVariable(&v_color_black_r);
1210 Cvar_RegisterVariable(&v_color_black_g);
1211 Cvar_RegisterVariable(&v_color_black_b);
1212 Cvar_RegisterVariable(&v_color_grey_r);
1213 Cvar_RegisterVariable(&v_color_grey_g);
1214 Cvar_RegisterVariable(&v_color_grey_b);
1215 Cvar_RegisterVariable(&v_color_white_r);
1216 Cvar_RegisterVariable(&v_color_white_g);
1217 Cvar_RegisterVariable(&v_color_white_b);
1219 Cvar_RegisterVariable(&v_hwgamma);
1220 Cvar_RegisterVariable(&v_glslgamma);
1222 Cvar_RegisterVariable(&v_psycho);
1224 Cvar_RegisterVariable(&vid_fullscreen);
1225 Cvar_RegisterVariable(&vid_width);
1226 Cvar_RegisterVariable(&vid_height);
1227 Cvar_RegisterVariable(&vid_bitsperpixel);
1228 Cvar_RegisterVariable(&vid_samples);
1229 Cvar_RegisterVariable(&vid_refreshrate);
1230 Cvar_RegisterVariable(&vid_userefreshrate);
1231 Cvar_RegisterVariable(&vid_stereobuffer);
1232 Cvar_RegisterVariable(&vid_vsync);
1233 Cvar_RegisterVariable(&vid_mouse);
1234 Cvar_RegisterVariable(&vid_grabkeyboard);
1235 Cvar_RegisterVariable(&vid_touchscreen);
1236 Cvar_RegisterVariable(&vid_stick_mouse);
1237 Cvar_RegisterVariable(&vid_resizable);
1238 Cvar_RegisterVariable(&vid_minwidth);
1239 Cvar_RegisterVariable(&vid_minheight);
1240 Cvar_RegisterVariable(&vid_gl13);
1241 Cvar_RegisterVariable(&vid_gl20);
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;
1304 extern qboolean vid_opened;
1306 void VID_Restart_f(void)
1308 // don't crash if video hasn't started yet
1309 if (vid_commandlinecheck)
1314 SCR_BeginLoadingPlaque();
1318 Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
1319 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) : "",
1320 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) : "");
1323 if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer))
1325 Con_Print("Video mode change failed\n");
1326 if (!VID_Mode(vid.mode.fullscreen, vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.refreshrate, vid.mode.stereobuffer, vid.mode.samples))
1327 Sys_Error("Unable to restore to last working video mode");
1332 const char *vidfallbacks[][2] =
1334 {"vid_stereobuffer", "0"},
1335 {"vid_samples", "1"},
1336 {"vid_userefreshrate", "0"},
1337 {"vid_width", "640"},
1338 {"vid_height", "480"},
1339 {"vid_bitsperpixel", "16"},
1343 // this is only called once by Host_StartVideo and again on each FS_GameDir_f
1344 void VID_Start(void)
1346 int i, width, height, success;
1347 if (vid_commandlinecheck)
1349 // interpret command-line parameters
1350 vid_commandlinecheck = false;
1351 // COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
1352 if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
1353 Cvar_SetValueQuick(&vid_fullscreen, false);
1354 // COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
1355 if (COM_CheckParm("-fullscreen"))
1356 Cvar_SetValueQuick(&vid_fullscreen, true);
1359 // 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)
1360 if ((i = COM_CheckParm("-width")) != 0)
1361 width = atoi(com_argv[i+1]);
1362 // 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)
1363 if ((i = COM_CheckParm("-height")) != 0)
1364 height = atoi(com_argv[i+1]);
1366 width = height * 4 / 3;
1368 height = width * 3 / 4;
1370 Cvar_SetValueQuick(&vid_width, width);
1372 Cvar_SetValueQuick(&vid_height, height);
1373 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
1374 if ((i = COM_CheckParm("-bpp")) != 0)
1375 Cvar_SetQuick(&vid_bitsperpixel, com_argv[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 Con_Print("Desired video mode fail, trying fallbacks...\n");
1382 for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
1384 Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
1385 success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
1388 Sys_Error("Video modes failed");
1399 int VID_SortModes_Compare(const void *a_, const void *b_)
1401 vid_mode_t *a = (vid_mode_t *) a_;
1402 vid_mode_t *b = (vid_mode_t *) b_;
1403 if(a->width > b->width)
1405 if(a->width < b->width)
1407 if(a->height > b->height)
1409 if(a->height < b->height)
1411 if(a->refreshrate > b->refreshrate)
1413 if(a->refreshrate < b->refreshrate)
1419 if(a->pixelheight_num * b->pixelheight_denom > a->pixelheight_denom * b->pixelheight_num)
1421 if(a->pixelheight_num * b->pixelheight_denom < a->pixelheight_denom * b->pixelheight_num)
1425 size_t VID_SortModes(vid_mode_t *modes, size_t count, qboolean usebpp, qboolean userefreshrate, qboolean useaspect)
1431 qsort(modes, count, sizeof(*modes), VID_SortModes_Compare);
1432 // 2. remove duplicates
1433 for(i = 0; i < count; ++i)
1435 if(modes[i].width && modes[i].height)
1439 if(modes[i].width != modes[i-1].width)
1441 if(modes[i].height != modes[i-1].height)
1444 if(modes[i].refreshrate != modes[i-1].refreshrate)
1447 if(modes[i].bpp != modes[i-1].bpp)
1450 if(modes[i].pixelheight_num * modes[i-1].pixelheight_denom != modes[i].pixelheight_denom * modes[i-1].pixelheight_num)
1453 // a dupe, or a bogus mode!
1455 memmove(&modes[i], &modes[i+1], sizeof(*modes) * (count-1 - i));
1456 --i; // check this index again, as mode i+1 is now here