]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_shared.c
Moved an extern to the proper header.
[xonotic/darkplaces.git] / vid_shared.c
index 719e0203f7e84a1177718bed6f7adcc255328e72..a6bc8a9f6c8e4ee6a1e538d74de42bb6a209903b 100644 (file)
 
 #include "quakedef.h"
 
-unsigned d_8to24table[256];
-unsigned char d_15to8table[32768]; // LordHavoc: was 64k elements, now 32k like it should be
+// Tell startup code that we have a client
+int cl_available = true;
 
-void   VID_SetPalette (unsigned char *palette)
+// global video state
+viddef_t vid;
+
+// LordHavoc: these are only set in wgl
+qboolean isG200 = false; // LordHavoc: the Matrox G200 can't do per pixel alpha, and it uses a D3D driver for GL... ugh...
+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.
+
+// AK FIXME -> input_dest
+qboolean in_client_mouse = true;
+
+// AK where should it be placed ?
+float in_mouse_x, in_mouse_y;
+
+// GL_ARB_multitexture
+int gl_textureunits = 0;
+// GL_ARB_texture_env_combine or GL_EXT_texture_env_combine
+int gl_combine_extension = false;
+// GL_EXT_compiled_vertex_array
+int gl_supportslockarrays = false;
+// GLX_SGI_video_sync or WGL_EXT_swap_control
+int gl_videosyncavailable = false;
+// stencil available
+int gl_stencil = false;
+// 3D textures available
+int gl_texture3d = false;
+// GL_ARB_texture_cubemap
+int gl_texturecubemap = false;
+// GL_ARB_texture_env_dot3
+int gl_dot3arb = false;
+// GL_SGIS_texture_edge_clamp
+int gl_support_clamptoedge = false;
+// GL_NV_vertex_array_range
+int gl_support_var = false;
+// GL_NV_vertex_array_range2
+int gl_support_var2 = false;
+// GL_EXT_texture_filter_anisotropic
+int gl_support_anisotropy = false;
+// GL_NV_texture_shader
+int gl_textureshader = false;
+
+// LordHavoc: if window is hidden, don't update screen
+int vid_hidden = true;
+// LordHavoc: if window is not the active window, don't hog as much CPU time,
+// let go of the mouse, turn off sound, and restore system gamma ramps...
+int vid_activewindow = true;
+
+// we don't know until we try it!
+cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1"};
+// whether hardware gamma ramps are currently in effect
+int vid_usinghwgamma = false;
+
+unsigned short vid_gammaramps[768];
+unsigned short vid_systemgammaramps[768];
+
+cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1"};
+cvar_t vid_width = {CVAR_SAVE, "vid_width", "640"};
+cvar_t vid_height = {CVAR_SAVE, "vid_height", "480"};
+cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32"};
+
+cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
+cvar_t gl_combine = {CVAR_SAVE, "gl_combine", "1"};
+
+cvar_t in_pitch_min = {0, "in_pitch_min", "-70"};
+cvar_t in_pitch_max = {0, "in_pitch_max", "80"};
+
+cvar_t m_filter = {CVAR_SAVE, "m_filter","0"};
+
+cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1"};
+cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1"};
+cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0"};
+cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0"};
+cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0"};
+cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0"};
+cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0"};
+cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5"};
+cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5"};
+cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5"};
+cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1"};
+cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1"};
+cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1"};
+cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1"};
+cvar_t v_psycho = {0, "v_psycho", "0"};
+
+// brand of graphics chip
+const char *gl_vendor;
+// graphics chip model and other information
+const char *gl_renderer;
+// begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
+const char *gl_version;
+// extensions list, space separated
+const char *gl_extensions;
+// WGL, GLX, or AGL
+const char *gl_platform;
+// another extensions list, containing platform-specific extensions that are
+// not in the main list
+const char *gl_platformextensions;
+// name of driver library (opengl32.dll, libGL.so.1, or whatever)
+char gl_driver[256];
+
+// GL_ARB_multitexture
+void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
+void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
+void (GLAPIENTRY *qglActiveTexture) (GLenum);
+void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
+
+// GL_EXT_compiled_vertex_array
+void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
+void (GLAPIENTRY *qglUnlockArraysEXT) (void);
+
+//GL_NV_vertex_array_range
+GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority);
+GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer);
+GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer);
+GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid);
+
+// general GL functions
+
+void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+
+void (GLAPIENTRY *qglClear)(GLbitfield mask);
+
+//void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
+void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
+void (GLAPIENTRY *qglCullFace)(GLenum mode);
+
+//void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
+//void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
+void (GLAPIENTRY *qglEnable)(GLenum cap);
+void (GLAPIENTRY *qglDisable)(GLenum cap);
+GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
+
+void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
+void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
+
+//void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
+//void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
+//void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
+void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
+
+GLenum (GLAPIENTRY *qglGetError)(void);
+const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
+void (GLAPIENTRY *qglFinish)(void);
+void (GLAPIENTRY *qglFlush)(void);
+
+void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
+void (GLAPIENTRY *qglDepthFunc)(GLenum func);
+void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
+void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
+void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
+
+void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
+void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
+void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglArrayElement)(GLint i);
+
+void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
+void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
+void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
+void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
+void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
+void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
+void (GLAPIENTRY *qglBegin)(GLenum mode);
+void (GLAPIENTRY *qglEnd)(void);
+
+void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
+void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
+//void (GLAPIENTRY *qglPushMatrix)(void);
+//void (GLAPIENTRY *qglPopMatrix)(void);
+void (GLAPIENTRY *qglLoadIdentity)(void);
+//void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
+void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
+//void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
+//void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
+//void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
+//void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
+//void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
+//void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
+//void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
+//void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
+
+void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
+
+void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
+void (GLAPIENTRY *qglStencilMask)(GLuint mask);
+void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
+void (GLAPIENTRY *qglClearStencil)(GLint s);
+
+//void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
+void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
+void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
+void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
+//void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
+void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
+
+void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
+void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
+void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
+//void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
+//GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
+GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
+//void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
+void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
+
+void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
+void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
+void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
+void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+
+
+void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
+
+//void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
+
+void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+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);
+void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+
+void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
+
+void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
+
+int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent)
 {
-       byte    *out;
-       unsigned short i;
+       int failed = false;
+       const dllfunction_t *func;
+
+       Con_DPrintf("checking for %s...  ", name);
 
-       out = (byte *) d_8to24table; // d_8to24table is accessed as 32bit for speed reasons, but is created as 8bit bytes
-       for (i=0 ; i<255 ; i++)
+       for (func = funcs;func && func->name;func++)
+               *func->funcvariable = NULL;
+
+       if (disableparm && COM_CheckParm(disableparm))
        {
-               *out++ = *palette++;
-               *out++ = *palette++;
-               *out++ = *palette++;
-               *out++ = 255;
+               Con_DPrintf("disabled by commandline\n");
+               return false;
+       }
+
+       if (strstr(gl_extensions, name) || strstr(gl_platformextensions, name) || (strncmp(name, "GL_", 3) && strncmp(name, "WGL_", 4) && strncmp(name, "GLX_", 4) && strncmp(name, "AGL_", 4)))
+       {
+               for (func = funcs;func && func->name != NULL;func++)
+               {
+                       // functions are cleared before all the extensions are evaluated
+                       if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
+                       {
+                               if (!silent)
+                                       Con_Printf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name);
+                               failed = true;
+                       }
+               }
+               // delay the return so it prints all missing functions
+               if (failed)
+                       return false;
+               Con_DPrintf("enabled\n");
+               return true;
+       }
+       else
+       {
+               Con_DPrintf("not detected\n");
+               return false;
        }
-       d_8to24table[255] = 0;
 }
 
-void   VID_Setup15to8Palette ()
+static dllfunction_t opengl110funcs[] =
+{
+       {"glClearColor", (void **) &qglClearColor},
+       {"glClear", (void **) &qglClear},
+//     {"glAlphaFunc", (void **) &qglAlphaFunc},
+       {"glBlendFunc", (void **) &qglBlendFunc},
+       {"glCullFace", (void **) &qglCullFace},
+//     {"glDrawBuffer", (void **) &qglDrawBuffer},
+//     {"glReadBuffer", (void **) &qglReadBuffer},
+       {"glEnable", (void **) &qglEnable},
+       {"glDisable", (void **) &qglDisable},
+       {"glIsEnabled", (void **) &qglIsEnabled},
+       {"glEnableClientState", (void **) &qglEnableClientState},
+       {"glDisableClientState", (void **) &qglDisableClientState},
+//     {"glGetBooleanv", (void **) &qglGetBooleanv},
+//     {"glGetDoublev", (void **) &qglGetDoublev},
+//     {"glGetFloatv", (void **) &qglGetFloatv},
+       {"glGetIntegerv", (void **) &qglGetIntegerv},
+       {"glGetError", (void **) &qglGetError},
+       {"glGetString", (void **) &qglGetString},
+       {"glFinish", (void **) &qglFinish},
+       {"glFlush", (void **) &qglFlush},
+       {"glClearDepth", (void **) &qglClearDepth},
+       {"glDepthFunc", (void **) &qglDepthFunc},
+       {"glDepthMask", (void **) &qglDepthMask},
+       {"glDepthRange", (void **) &qglDepthRange},
+       {"glDrawElements", (void **) &qglDrawElements},
+       {"glColorMask", (void **) &qglColorMask},
+       {"glVertexPointer", (void **) &qglVertexPointer},
+       {"glNormalPointer", (void **) &qglNormalPointer},
+       {"glColorPointer", (void **) &qglColorPointer},
+       {"glTexCoordPointer", (void **) &qglTexCoordPointer},
+       {"glArrayElement", (void **) &qglArrayElement},
+       {"glColor4f", (void **) &qglColor4f},
+       {"glTexCoord2f", (void **) &qglTexCoord2f},
+       {"glTexCoord3f", (void **) &qglTexCoord3f},
+       {"glVertex2f", (void **) &qglVertex2f},
+       {"glVertex3f", (void **) &qglVertex3f},
+       {"glBegin", (void **) &qglBegin},
+       {"glEnd", (void **) &qglEnd},
+       {"glMatrixMode", (void **) &qglMatrixMode},
+       {"glOrtho", (void **) &qglOrtho},
+       {"glFrustum", (void **) &qglFrustum},
+       {"glViewport", (void **) &qglViewport},
+//     {"glPushMatrix", (void **) &qglPushMatrix},
+//     {"glPopMatrix", (void **) &qglPopMatrix},
+       {"glLoadIdentity", (void **) &qglLoadIdentity},
+//     {"glLoadMatrixd", (void **) &qglLoadMatrixd},
+       {"glLoadMatrixf", (void **) &qglLoadMatrixf},
+//     {"glMultMatrixd", (void **) &qglMultMatrixd},
+//     {"glMultMatrixf", (void **) &qglMultMatrixf},
+//     {"glRotated", (void **) &qglRotated},
+//     {"glRotatef", (void **) &qglRotatef},
+//     {"glScaled", (void **) &qglScaled},
+//     {"glScalef", (void **) &qglScalef},
+//     {"glTranslated", (void **) &qglTranslated},
+//     {"glTranslatef", (void **) &qglTranslatef},
+       {"glReadPixels", (void **) &qglReadPixels},
+       {"glStencilFunc", (void **) &qglStencilFunc},
+       {"glStencilMask", (void **) &qglStencilMask},
+       {"glStencilOp", (void **) &qglStencilOp},
+       {"glClearStencil", (void **) &qglClearStencil},
+//     {"glTexEnvf", (void **) &qglTexEnvf},
+       {"glTexEnvfv", (void **) &qglTexEnvfv},
+       {"glTexEnvi", (void **) &qglTexEnvi},
+       {"glTexParameterf", (void **) &qglTexParameterf},
+//     {"glTexParameterfv", (void **) &qglTexParameterfv},
+       {"glTexParameteri", (void **) &qglTexParameteri},
+//     {"glPixelStoref", (void **) &qglPixelStoref},
+       {"glPixelStorei", (void **) &qglPixelStorei},
+       {"glGenTextures", (void **) &qglGenTextures},
+       {"glDeleteTextures", (void **) &qglDeleteTextures},
+       {"glBindTexture", (void **) &qglBindTexture},
+//     {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
+//     {"glAreTexturesResident", (void **) &qglAreTexturesResident},
+       {"glIsTexture", (void **) &qglIsTexture},
+       {"glTexImage1D", (void **) &qglTexImage1D},
+       {"glTexImage2D", (void **) &qglTexImage2D},
+       {"glTexSubImage1D", (void **) &qglTexSubImage1D},
+       {"glTexSubImage2D", (void **) &qglTexSubImage2D},
+       {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
+       {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
+       {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
+       {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
+       {"glScissor", (void **) &qglScissor},
+       {"glPolygonOffset", (void **) &qglPolygonOffset},
+       {NULL, NULL}
+};
+
+static dllfunction_t drawrangeelementsfuncs[] =
+{
+       {"glDrawRangeElements", (void **) &qglDrawRangeElements},
+       {NULL, NULL}
+};
+
+static dllfunction_t drawrangeelementsextfuncs[] =
+{
+       {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
+       {NULL, NULL}
+};
+
+static dllfunction_t multitexturefuncs[] =
+{
+       {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
+       {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
+       {"glActiveTextureARB", (void **) &qglActiveTexture},
+       {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
+       {NULL, NULL}
+};
+
+static dllfunction_t compiledvertexarrayfuncs[] =
+{
+       {"glLockArraysEXT", (void **) &qglLockArraysEXT},
+       {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
+       {NULL, NULL}
+};
+
+static dllfunction_t texture3dextfuncs[] =
+{
+       {"glTexImage3DEXT", (void **) &qglTexImage3D},
+       {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
+       {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
+       {NULL, NULL}
+};
+
+static dllfunction_t glxvarfuncs[] =
+{
+       {"glXAllocateMemoryNV", (void **) &qglAllocateMemoryNV},
+       {"glXFreeMemoryNV", (void **) &qglFreeMemoryNV},
+       {"glVertexArrayRangeNV", (void **) &qglVertexArrayRangeNV},
+       {"glFlushVertexArrayRangeNV", (void **) &qglFlushVertexArrayRangeNV},
+       {NULL, NULL}
+};
+
+static dllfunction_t wglvarfuncs[] =
+{
+       {"wglAllocateMemoryNV", (void **) &qglAllocateMemoryNV},
+       {"wglFreeMemoryNV", (void **) &qglFreeMemoryNV},
+       {"glVertexArrayRangeNV", (void **) &qglVertexArrayRangeNV},
+       {"glFlushVertexArrayRangeNV", (void **) &qglFlushVertexArrayRangeNV},
+       {NULL, NULL}
+};
+
+
+void VID_CheckExtensions(void)
 {
-       byte    *pal;
-       unsigned r,g,b;
-       unsigned v;
-       int     r1,g1,b1;
-       int             j,k,l;
-       unsigned short i;
+       gl_stencil = vid_bitsperpixel.integer == 32;
+       gl_combine_extension = false;
+       gl_dot3arb = false;
+       gl_supportslockarrays = false;
+       gl_textureunits = 1;
+       gl_support_clamptoedge = false;
+       gl_support_var = false;
+       gl_support_var2 = false;
 
-       // JACK: 3D distance calcs - k is last closest, l is the distance.
-       // FIXME: Precalculate this and cache to disk.
-       for (i = 0;i < 32768;i++)
+       if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
+               Sys_Error("OpenGL 1.1.0 functions not found\n");
+
+       Con_DPrintf ("GL_VENDOR: %s\n", gl_vendor);
+       Con_DPrintf ("GL_RENDERER: %s\n", gl_renderer);
+       Con_DPrintf ("GL_VERSION: %s\n", gl_version);
+       Con_DPrintf ("GL_EXTENSIONS: %s\n", gl_extensions);
+       Con_DPrintf ("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
+
+       Con_DPrintf("Checking OpenGL extensions...\n");
+
+       if (!GL_CheckExtension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true))
+               GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
+
+       if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
+       {
+               qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
+               gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
+               if (gl_combine_extension)
+                       gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false);
+       }
+
+       gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
+       gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
+       gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
+       gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
+
+       if (!strcmp(gl_platform, "GLX"))
+               gl_support_var = GL_CheckExtension("GL_NV_vertex_array_range", glxvarfuncs, "-novar", false);
+       else if (!strcmp(gl_platform, "WGL"))
+               gl_support_var = GL_CheckExtension("GL_NV_vertex_array_range", wglvarfuncs, "-novar", false);
+       if (gl_support_var)
+               gl_support_var2 = GL_CheckExtension("GL_NV_vertex_array_range2", NULL, "-novar2", false);
+
+       gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false);
+
+       gl_textureshader = GL_CheckExtension("GL_NV_texture_shader", NULL, "-notextureshader", false);
+
+       // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
+       if (qglDrawRangeElements == NULL)
+               qglDrawRangeElements = qglDrawRangeElementsEXT;
+}
+
+int vid_vertexarrays_are_var = false;
+void *VID_AllocVertexArrays(mempool_t *pool, int size, int fast, float readfrequency, float writefrequency, float priority)
+{
+       void *m;
+       vid_vertexarrays_are_var = false;
+       if (fast && qglAllocateMemoryNV)
        {
-               /* Maps
-                       000000000000000
-                       000000000011111 = Red  = 0x001F
-                       000001111100000 = Blue = 0x03E0
-                       111110000000000 = Grn  = 0x7C00
-               */
-               r = ((i & 0x001F) << 3)+4;
-               g = ((i & 0x03E0) >> 2)+4;
-               b = ((i & 0x7C00) >> 7)+4;
-               pal = (unsigned char *)d_8to24table;
-               for (v = 0, k = 0, l = 1000000000;v < 256;v++, pal += 4)
+               CHECKGLERROR
+               m = qglAllocateMemoryNV(size, readfrequency, writefrequency, priority);
+               CHECKGLERROR
+               if (m)
                {
-                       r1 = r - pal[0];
-                       g1 = g - pal[1];
-                       b1 = b - pal[2];
-                       j = (r1*r1*2)+(g1*g1*3)+(b1*b1); // LordHavoc: weighting to tune for human eye (added *2 and *3)
-                       if (j < l)
+                       vid_vertexarrays_are_var = true;
+                       return m;
+               }
+       }
+       return Mem_Alloc(pool, size);
+}
+
+void VID_FreeVertexArrays(void *pointer)
+{
+       if (vid_vertexarrays_are_var)
+       {
+               CHECKGLERROR
+               qglFreeMemoryNV(pointer);
+               CHECKGLERROR
+       }
+       else
+               Mem_Free(pointer);
+       vid_vertexarrays_are_var = false;
+}
+
+void Force_CenterView_f (void)
+{
+       cl.viewangles[PITCH] = 0;
+}
+
+void IN_PreMove(void)
+{
+}
+
+void CL_AdjustAngles(void);
+void IN_PostMove(void)
+{
+       // clamp after the move as well to prevent messed up rendering angles
+       CL_AdjustAngles();
+}
+
+/*
+===========
+IN_DoMove
+===========
+*/
+void IN_ProcessMove(usercmd_t *cmd)
+{
+       // get basic movement from keyboard
+       CL_BaseMove(cmd);
+
+       // OS independent code
+       IN_PreMove();
+
+       // allow mice or other external controllers to add to the move
+       IN_Move(cmd);
+
+       // OS independent code
+       IN_PostMove();
+}
+
+
+void IN_Mouse(usercmd_t *cmd, float mx, float my)
+{
+       int mouselook = (in_mlook.state & 1) || freelook.integer;
+       float mouse_x, mouse_y;
+       static float old_mouse_x = 0, old_mouse_y = 0;
+
+       if (m_filter.integer)
+       {
+               mouse_x = (mx + old_mouse_x) * 0.5;
+               mouse_y = (my + old_mouse_y) * 0.5;
+       }
+       else
+       {
+               mouse_x = mx;
+               mouse_y = my;
+       }
+
+       old_mouse_x = mx;
+       old_mouse_y = my;
+
+       in_mouse_x = (float) mouse_x * vid.conwidth / vid.realwidth;
+       in_mouse_y = (float) mouse_y * vid.conheight / vid.realheight;
+
+       // AK: eveything else is client stuff
+       // BTW, this should be seperated somewhen
+       if(!in_client_mouse)
+               return;
+
+       // LordHavoc: viewzoom affects mouse sensitivity for sniping
+       mouse_x *= sensitivity.value * cl.viewzoom;
+       mouse_y *= sensitivity.value * cl.viewzoom;
+
+       // Add mouse X/Y movement to cmd
+       if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
+               cmd->sidemove += m_side.value * mouse_x;
+       else
+               cl.viewangles[YAW] -= m_yaw.value * mouse_x;
+
+       if (mouselook)
+               V_StopPitchDrift();
+
+       if (mouselook && !(in_strafe.state & 1))
+               cl.viewangles[PITCH] += m_pitch.value * mouse_y;
+       else
+       {
+               if ((in_strafe.state & 1) && noclip_anglehack)
+                       cmd->upmove -= m_forward.value * mouse_y;
+               else
+                       cmd->forwardmove -= m_forward.value * mouse_y;
+       }
+}
+
+static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3];
+static int cachecolorenable, cachehwgamma;
+#define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
+void VID_UpdateGamma(qboolean force)
+{
+       cvar_t *c;
+       float f;
+       static int forcenextframe = false;
+
+       // LordHavoc: don't mess with gamma tables if running dedicated
+       if (cls.state == ca_dedicated)
+               return;
+
+       if (!force
+        && !forcenextframe
+        && !v_psycho.integer
+        && vid_usinghwgamma == (vid_activewindow && v_hwgamma.integer)
+        && v_gamma.value == cachegamma
+        && v_contrast.value == cachecontrast
+        && v_brightness.value == cachebrightness
+        && cachecolorenable == v_color_enable.integer
+        && cacheblack[0] == v_color_black_r.value
+        && cacheblack[1] == v_color_black_g.value
+        && cacheblack[2] == v_color_black_b.value
+        && cachegrey[0] == v_color_grey_r.value
+        && cachegrey[1] == v_color_grey_g.value
+        && cachegrey[2] == v_color_grey_b.value
+        && cachewhite[0] == v_color_white_r.value
+        && cachewhite[1] == v_color_white_g.value
+        && cachewhite[2] == v_color_white_b.value)
+               return;
+               
+       forcenextframe = false;
+
+       if (vid_activewindow && v_hwgamma.integer)
+       {
+               if (!vid_usinghwgamma)
+               {
+                       vid_usinghwgamma = true;
+                       Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_GetGamma(vid_systemgammaramps));
+               }
+
+               BOUNDCVAR(v_gamma, 0.1, 5);cachegamma = v_gamma.value;
+               BOUNDCVAR(v_contrast, 1, 5);cachecontrast = v_contrast.value;
+               BOUNDCVAR(v_brightness, 0, 0.8);cachebrightness = v_brightness.value;
+               BOUNDCVAR(v_color_black_r, 0, 0.8);cacheblack[0] = v_color_black_r.value;
+               BOUNDCVAR(v_color_black_g, 0, 0.8);cacheblack[1] = v_color_black_g.value;
+               BOUNDCVAR(v_color_black_b, 0, 0.8);cacheblack[2] = v_color_black_b.value;
+               BOUNDCVAR(v_color_grey_r, 0, 0.95);cachegrey[0] = v_color_grey_r.value;
+               BOUNDCVAR(v_color_grey_g, 0, 0.95);cachegrey[1] = v_color_grey_g.value;
+               BOUNDCVAR(v_color_grey_b, 0, 0.95);cachegrey[2] = v_color_grey_b.value;
+               BOUNDCVAR(v_color_white_r, 1, 5);cachewhite[0] = v_color_white_r.value;
+               BOUNDCVAR(v_color_white_g, 1, 5);cachewhite[1] = v_color_white_g.value;
+               BOUNDCVAR(v_color_white_b, 1, 5);cachewhite[2] = v_color_white_b.value;
+               cachecolorenable = v_color_enable.integer;
+               cachehwgamma = v_hwgamma.integer;
+
+               if (cachecolorenable)
+               {
+                       BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], vid_gammaramps);
+                       BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], vid_gammaramps + 256);
+                       BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], vid_gammaramps + 512);
+               }
+               else
+               {
+                       BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps);
+                       BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 256);
+                       BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 512);
+               }
+
+               // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
+               // immensely butchered it to work with variable framerates and fit in with
+               // the rest of darkplaces.
+               if (v_psycho.integer)
+               {
+                       int x, y;
+                       float t;
+                       static float n[3], nd[3], nt[3];
+                       static int init = true;
+                       unsigned short *ramp;
+                       forcenextframe = true;
+                       if (init)
+                       {
+                               init = false;
+                               for (x = 0;x < 3;x++)
+                               {
+                                       n[x] = lhrandom(0, 1);
+                                       nd[x] = (rand()&1)?-0.25:0.25;
+                                       nt[x] = lhrandom(1, 8.2);
+                               }
+                       }
+                       
+                       for (x = 0;x < 3;x++)
                        {
-                               k = v;
-                               l = j;
+                               nt[x] -= host_realframetime;
+                               if (nt[x] < 0)
+                               {
+                                       nd[x] = -nd[x];
+                                       nt[x] += lhrandom(1, 8.2);
+                               }
+                               n[x] += nd[x] * host_realframetime;
+                               n[x] -= floor(n[x]);
                        }
+               
+                       for (x = 0, ramp = vid_gammaramps;x < 3;x++)
+                               for (y = 0, t = n[x] - 0.75f;y < 256;y++, t += 0.75f * (2.0f / 256.0f))
+                                       *ramp++ = cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f;
+               }
+
+               Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps));
+       }
+       else
+       {
+               if (vid_usinghwgamma)
+               {
+                       vid_usinghwgamma = false;
+                       Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps));
                }
-               d_15to8table[i] = k;
        }
 }
 
-// LordHavoc: gamma correction does not belong in gl_vidnt.c
-byte qgamma[256];
-static float vid_gamma = 1.0;
+void VID_RestoreSystemGamma(void)
+{
+       if (vid_usinghwgamma)
+       {
+               vid_usinghwgamma = false;
+               VID_SetGamma(vid_systemgammaramps);
+       }
+}
 
-void Check_Gamma (unsigned char *pal)
+void VID_Shared_Init(void)
 {
-       float   inf;
-       int             i;
+       Cvar_RegisterVariable(&vid_hardwaregammasupported);
+       Cvar_RegisterVariable(&v_gamma);
+       Cvar_RegisterVariable(&v_brightness);
+       Cvar_RegisterVariable(&v_contrast);
+
+       Cvar_RegisterVariable(&v_color_enable);
+       Cvar_RegisterVariable(&v_color_black_r);
+       Cvar_RegisterVariable(&v_color_black_g);
+       Cvar_RegisterVariable(&v_color_black_b);
+       Cvar_RegisterVariable(&v_color_grey_r);
+       Cvar_RegisterVariable(&v_color_grey_g);
+       Cvar_RegisterVariable(&v_color_grey_b);
+       Cvar_RegisterVariable(&v_color_white_r);
+       Cvar_RegisterVariable(&v_color_white_g);
+       Cvar_RegisterVariable(&v_color_white_b);
 
-       if ((i = COM_CheckParm("-gamma")))
-               vid_gamma = atof(com_argv[i+1]);
+       Cvar_RegisterVariable(&v_hwgamma);
+       
+       Cvar_RegisterVariable(&v_psycho);
+
+       Cvar_RegisterVariable(&vid_fullscreen);
+       Cvar_RegisterVariable(&vid_width);
+       Cvar_RegisterVariable(&vid_height);
+       Cvar_RegisterVariable(&vid_bitsperpixel);
+       Cvar_RegisterVariable(&vid_mouse);
+       Cvar_RegisterVariable(&gl_combine);
+       Cvar_RegisterVariable(&in_pitch_min);
+       Cvar_RegisterVariable(&in_pitch_max);
+       Cvar_RegisterVariable(&m_filter);
+       Cmd_AddCommand("force_centerview", Force_CenterView_f);
+       Cmd_AddCommand("vid_restart", VID_Restart_f);
+       if (gamemode == GAME_GOODVSBAD2)
+               Cvar_Set("gl_combine", "0");
+}
+
+int current_vid_fullscreen;
+int current_vid_width;
+int current_vid_height;
+int current_vid_bitsperpixel;
+int VID_Mode(int fullscreen, int width, int height, int bpp)
+{
+       Con_Printf("Video: %s %dx%dx%d\n", fullscreen ? "fullscreen" : "window", width, height, bpp);
+       if (VID_InitMode(fullscreen, width, height, bpp))
+       {
+               current_vid_fullscreen = fullscreen;
+               current_vid_width = width;
+               current_vid_height = height;
+               current_vid_bitsperpixel = bpp;
+               Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
+               Cvar_SetValueQuick(&vid_width, width);
+               Cvar_SetValueQuick(&vid_height, height);
+               Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
+               return true;
+       }
        else
+               return false;
+}
+
+static void VID_OpenSystems(void)
+{
+       R_Modules_Start();
+       S_Startup();
+       CDAudio_Startup();
+}
+
+static void VID_CloseSystems(void)
+{
+       CDAudio_Shutdown();
+       S_Shutdown();
+       R_Modules_Shutdown();
+}
+
+int vid_commandlinecheck = true;
+
+void VID_Restart_f(void)
+{
+       // don't crash if video hasn't started yet
+       if (vid_commandlinecheck)
+               return;
+
+       Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp, to %s %dx%dx%dbpp.\n",
+               current_vid_fullscreen ? "fullscreen" : "window", current_vid_width, current_vid_height, current_vid_bitsperpixel,
+               vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer);
+       VID_Close();
+       if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer))
        {
-//             if ((gl_renderer && strstr(gl_renderer, "Voodoo")) ||
-//                     (gl_vendor && strstr(gl_vendor, "3Dfx")))
-                       vid_gamma = 1;
-//             else if (gl_vendor && strstr(gl_vendor, "ATI"))
-//                     vid_gamma = 1;
-//             else
-//                     vid_gamma = 0.7;
+               Con_Printf("Video mode change failed\n");
+               if (!VID_Mode(current_vid_fullscreen, current_vid_width, current_vid_height, current_vid_bitsperpixel))
+                       Sys_Error("Unable to restore to last working video mode\n");
        }
+       VID_OpenSystems();
+}
 
-       if (vid_gamma == 1) // LordHavoc: dodge the math
+void VID_Open(void)
+{
+       int i, width, height;
+       if (vid_commandlinecheck)
        {
-               for (i = 0;i < 256;i++)
-                       qgamma[i] = i;
+               // interpret command-line parameters
+               vid_commandlinecheck = false;
+               if ((i = COM_CheckParm("-window")) != 0)
+                       Cvar_SetValueQuick(&vid_fullscreen, false);
+               if ((i = COM_CheckParm("-fullscreen")) != 0)
+                       Cvar_SetValueQuick(&vid_fullscreen, true);
+               width = 0;
+               height = 0;
+               if ((i = COM_CheckParm("-width")) != 0)
+                       width = atoi(com_argv[i+1]);
+               if ((i = COM_CheckParm("-height")) != 0)
+                       height = atoi(com_argv[i+1]);
+               if (width == 0)
+                       width = height * 4 / 3;
+               if (height == 0)
+                       height = width * 3 / 4;
+               if (width)
+                       Cvar_SetValueQuick(&vid_width, width);
+               if (height)
+                       Cvar_SetValueQuick(&vid_height, height);
+               if ((i = COM_CheckParm("-bpp")) != 0)
+                       Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
        }
-       else
+
+       Con_DPrintf("Starting video system\n");
+       if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer))
        {
-               for (i = 0;i < 256;i++)
+               Con_Printf("Desired video mode fail, trying fallbacks...\n");
+               if (vid_fullscreen.integer)
                {
-                       inf = pow((i+1)/256.0, vid_gamma)*255 + 0.5;
-                       if (inf < 0) inf = 0;
-                       if (inf > 255) inf = 255;
-                       qgamma[i] = inf;
+                       if (!VID_Mode(true, 640, 480, 16))
+                               if (!VID_Mode(false, 640, 480, 16))
+                                       Sys_Error("Video modes failed\n");
                }
+               else
+                       Sys_Error("Windowed video failed\n");
        }
+       VID_OpenSystems();
+}
 
-       // gamma correct the palette
-       //for (i=0 ; i<768 ; i++)
-       //      pal[i] = qgamma[pal[i]];
-       // note: 32bit uploads are corrected by the upload functions
+void VID_Close(void)
+{
+       VID_CloseSystems();
+       VID_Shutdown();
 }
+