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.
-// LordHavoc: compiled vertex array support
-qboolean gl_supportslockarrays = false;
-// LordHavoc: ARB multitexture support
-qboolean gl_mtexable = false;
-int gl_mtex_enum = 0;
-
-cvar_t vid_mode = {"vid_mode", "0", false};
-cvar_t vid_mouse = {"vid_mouse", "1", true};
-cvar_t vid_fullscreen = {"vid_fullscreen", "1"};
-
-void (GLAPIENTRY *qglMTexCoord2f) (GLenum, GLfloat, GLfloat);
-void (GLAPIENTRY *qglSelectTexture) (GLenum);
+// 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);
-void VID_InitCvars()
+typedef struct
+{
+ char *name;
+ void **funcvariable;
+}
+gl_extensionfunctionlist_t;
+
+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)
+ {
+ dlclose(prjobj);
+ prjobj = NULL;
+ }
+#endif
+}
+
+static void *gl_getfuncaddress(char *name)
+{
+#ifdef WIN32
+ return (void *) wglGetProcAddress(name);
+#else
+ return (void *) dlsym(prjobj, name);
+#endif
+}
+
+static int gl_checkextension(char *name, gl_extensionfunctionlist_t *funcs, char *disableparm)
+{
+ 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))
+ {
+ Con_Printf("disabled by commandline\n");
+ return false;
+ }
+
+ if (strstr(gl_extensions, name))
+ {
+ for (func = funcs;func && func->name != NULL;func++)
+ {
+ if (!(*func->funcvariable = (void *) gl_getfuncaddress(func->name)))
+ {
+ Con_Printf("missing function \"%s\"!\n", func->name);
+ return false;
+ }
+ }
+ Con_Printf("enabled\n");
+ return true;
+ }
+ else
+ {
+ Con_Printf("not detected\n");
+ return false;
+ }
+}
+
+void VID_CheckExtensions(void)
+{
+ Con_Printf("Checking OpenGL extensions...\n");
+
+ gl_getfuncs_begin();
+
+ gl_combine_extension = false;
+ gl_supportslockarrays = false;
+ gl_textureunits = 1;
+
+ if (gl_checkextension("GL_ARB_multitexture", multitexturefuncs, "-nomtex"))
+ {
+ 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
+ }
+
+ 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)
+ {
+ 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;
+
+ // 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;
+ }
+}
+
+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);
}