#include "quakedef.h"
-unsigned d_8to24table[256];
-unsigned char d_15to8table[32768]; // LordHavoc: was 64k elements, now 32k like it should be
+// 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.
-void VID_SetPalette (unsigned char *palette)
+// LordHavoc: GL_ARB_multitexture support
+int gl_textureunits;
+// LordHavoc: GL_ARB_texture_env_combine or GL_EXT_texture_env_combine support
+int gl_combine_extension = false;
+// LordHavoc: GL_EXT_compiled_vertex_array support
+int gl_supportslockarrays = false;
+
+cvar_t vid_mode = {0, "vid_mode", "0"};
+cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
+cvar_t vid_fullscreen = {0, "vid_fullscreen", "1"};
+cvar_t gl_combine = {0, "gl_combine", "1"};
+
+cvar_t in_pitch_min = {0, "in_pitch_min", "-90"};
+cvar_t in_pitch_max = {0, "in_pitch_max", "90"};
+
+cvar_t m_filter = {CVAR_SAVE, "m_filter","0"};
+
+// GL_ARB_multitexture
+void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, 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);
+
+typedef struct
{
- byte *out;
- unsigned short i;
+ char *name;
+ void **funcvariable;
+}
+gl_extensionfunctionlist_t;
- 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++)
+typedef struct
+{
+ char *name;
+ gl_extensionfunctionlist_t *funcs;
+ int *enablevariable;
+ char *disableparm;
+}
+gl_extensioninfo_t;
+
+static gl_extensionfunctionlist_t multitexturefuncs[] =
+{
+ {"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
+ {"glActiveTextureARB", (void **) &qglActiveTexture},
+ {"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
+ {NULL, NULL}
+};
+
+static gl_extensionfunctionlist_t compiledvertexarrayfuncs[] =
+{
+ {"glLockArraysEXT", (void **) &qglLockArraysEXT},
+ {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
+ {NULL, NULL}
+};
+
+#ifndef WIN32
+#include <dlfcn.h>
+#endif
+
+#ifndef WIN32
+static void *prjobj = NULL;
+#endif
+
+static void gl_getfuncs_begin(void)
+{
+#ifndef WIN32
+ if (prjobj)
+ dlclose(prjobj);
+
+ prjobj = dlopen(NULL, RTLD_LAZY);
+ if (prjobj == NULL)
+ {
+ Con_Printf("Unable to open symbol list for main program.\n");
+ return;
+ }
+#endif
+}
+
+static void gl_getfuncs_end(void)
+{
+#ifndef WIN32
+ if (prjobj)
{
- *out++ = *palette++;
- *out++ = *palette++;
- *out++ = *palette++;
- *out++ = 255;
+ dlclose(prjobj);
+ prjobj = NULL;
}
- d_8to24table[255] = 0;
+#endif
+}
+
+static void *gl_getfuncaddress(char *name)
+{
+#ifdef WIN32
+ return (void *) wglGetProcAddress(name);
+#else
+ return (void *) dlsym(prjobj, name);
+#endif
}
-void VID_Setup15to8Palette ()
+static int gl_checkextension(char *name, gl_extensionfunctionlist_t *funcs, char *disableparm)
{
- byte *pal;
- unsigned r,g,b;
- unsigned v;
- int r1,g1,b1;
- int j,k,l;
- unsigned short i;
-
- // 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++)
+ gl_extensionfunctionlist_t *func;
+
+ Con_Printf("checking for %s... ", name);
+
+ for (func = funcs;func && func->name;func++)
+ *func->funcvariable = NULL;
+
+ if (disableparm && COM_CheckParm(disableparm))
{
- /* 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)
+ Con_Printf("disabled by commandline\n");
+ return false;
+ }
+
+ if (strstr(gl_extensions, name))
+ {
+ for (func = funcs;func && func->name != NULL;func++)
{
- 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)
+ if (!(*func->funcvariable = (void *) gl_getfuncaddress(func->name)))
{
- k = v;
- l = j;
+ Con_Printf("missing function \"%s\"!\n", func->name);
+ return false;
}
}
- d_15to8table[i] = k;
+ Con_Printf("enabled\n");
+ return true;
+ }
+ else
+ {
+ Con_Printf("not detected\n");
+ return false;
}
}
-// LordHavoc: gamma correction does not belong in gl_vidnt.c
-byte qgamma[256];
-static float vid_gamma = 1.0;
-
-void Check_Gamma (unsigned char *pal)
+void VID_CheckExtensions(void)
{
- float inf;
- int i;
+ Con_Printf("Checking OpenGL extensions...\n");
- if ((i = COM_CheckParm("-gamma")))
- vid_gamma = atof(com_argv[i+1]);
- else
+ gl_getfuncs_begin();
+
+ gl_combine_extension = false;
+ gl_supportslockarrays = false;
+ gl_textureunits = 1;
+
+ if (gl_checkextension("GL_ARB_multitexture", multitexturefuncs, "-nomtex"))
{
-// 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;
+ glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
+ if (gl_textureunits > 1)
+ gl_combine_extension = gl_checkextension("GL_ARB_texture_env_combine", NULL, "-nocombine") || gl_checkextension("GL_EXT_texture_env_combine", NULL, "-nocombine");
+ else
+ gl_textureunits = 1; // for sanity sake, make sure it's not 0
}
- if (vid_gamma == 1) // LordHavoc: dodge the math
+ gl_supportslockarrays = gl_checkextension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva");
+
+ gl_getfuncs_end();
+}
+
+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();
+}
+
+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)
{
- for (i = 0;i < 256;i++)
- qgamma[i] = i;
+ mouse_x = (mx + old_mouse_x) * 0.5;
+ mouse_y = (my + old_mouse_y) * 0.5;
}
else
{
- for (i = 0;i < 256;i++)
- {
- inf = pow((i+1)/256.0, vid_gamma)*255 + 0.5;
- if (inf < 0) inf = 0;
- if (inf > 255) inf = 255;
- qgamma[i] = inf;
- }
+ mouse_x = mx;
+ mouse_y = my;
+ }
+
+ old_mouse_x = mx;
+ old_mouse_y = my;
+
+ // 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;
}
+}
- // 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_InitCvars(void)
+{
+ Cvar_RegisterVariable(&vid_mode);
+ Cvar_RegisterVariable(&vid_mouse);
+ Cvar_RegisterVariable(&vid_fullscreen);
+ 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);
}