ref: facd1d4e9b6a5c1cd9c5faf96f7520c62746144b
dir: /QW/client/gl_vidlinux.c/
/* Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <termios.h> #include <sys/ioctl.h> #include <sys/stat.h> #include <sys/vt.h> #include <stdarg.h> #include <stdio.h> #include <signal.h> #include <asm/io.h> #include "vga.h" #include "vgakeyboard.h" #include "vgamouse.h" #include "quakedef.h" #include "GL/fxmesa.h" #define WARP_WIDTH 320 #define WARP_HEIGHT 200 static fxMesaContext fc = NULL; #define stringify(m) { #m, m } unsigned short d_8to16table[256]; unsigned d_8to24table[256]; unsigned char d_15to8table[65536]; int num_shades=32; struct { char *name; int num; } mice[] = { stringify(MOUSE_MICROSOFT), stringify(MOUSE_MOUSESYSTEMS), stringify(MOUSE_MMSERIES), stringify(MOUSE_LOGITECH), stringify(MOUSE_BUSMOUSE), stringify(MOUSE_PS2), }; static unsigned char scantokey[128]; int num_mice = sizeof (mice) / sizeof(mice[0]); int d_con_indirect = 0; int svgalib_inited=0; int UseMouse = 1; int UseKeyboard = 1; int mouserate = MOUSE_DEFAULTSAMPLERATE; cvar_t _windowed_mouse = {"_windowed_mouse","0", true}; cvar_t vid_mode = {"vid_mode","5",false}; cvar_t vid_redrawfull = {"vid_redrawfull","0",false}; cvar_t vid_waitforrefresh = {"vid_waitforrefresh","0",true}; char *framebuffer_ptr; cvar_t mouse_button_commands[3] = { {"mouse1","+attack"}, {"mouse2","+strafe"}, {"mouse3","+forward"}, }; int mouse_buttons; int mouse_buttonstate; int mouse_oldbuttonstate; float mouse_x, mouse_y; float old_mouse_x, old_mouse_y; int mx, my; cvar_t m_filter = {"m_filter","1"}; int scr_width, scr_height; /*-----------------------------------------------------------------------*/ //int texture_mode = GL_NEAREST; //int texture_mode = GL_NEAREST_MIPMAP_NEAREST; //int texture_mode = GL_NEAREST_MIPMAP_LINEAR; int texture_mode = GL_LINEAR; //int texture_mode = GL_LINEAR_MIPMAP_NEAREST; //int texture_mode = GL_LINEAR_MIPMAP_LINEAR; int texture_extension_number = 1; float gldepthmin, gldepthmax; cvar_t gl_ztrick = {"gl_ztrick","1"}; const char *gl_vendor; const char *gl_renderer; const char *gl_version; const char *gl_extensions; qboolean is8bit = false; qboolean isPermedia = false; qboolean gl_mtexable = false; /*-----------------------------------------------------------------------*/ void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height) { } void D_EndDirectRect (int x, int y, int width, int height) { } int matchmouse(int mouse, char *name) { int i; for (i=0 ; i<num_mice ; i++) if (!strcmp(mice[i].name, name)) return i; return mouse; } #if 0 void vtswitch(int newconsole) { int fd; struct vt_stat x; // switch consoles and wait until reactivated fd = open("/dev/console", O_RDONLY); ioctl(fd, VT_GETSTATE, &x); ioctl(fd, VT_ACTIVATE, newconsole); ioctl(fd, VT_WAITACTIVE, x.v_active); close(fd); } #endif void keyhandler(int scancode, int state) { int sc; sc = scancode & 0x7f; Key_Event(scantokey[sc], state == KEY_EVENTPRESS); } void VID_Shutdown(void) { if (!fc) return; fxMesaDestroyContext(fc); if (UseKeyboard) keyboard_close(); } void signal_handler(int sig) { printf("Received signal %d, exiting...\n", sig); Sys_Quit(); exit(0); } void InitSig(void) { signal(SIGHUP, signal_handler); signal(SIGINT, signal_handler); signal(SIGQUIT, signal_handler); signal(SIGILL, signal_handler); signal(SIGTRAP, signal_handler); signal(SIGIOT, signal_handler); signal(SIGBUS, signal_handler); signal(SIGFPE, signal_handler); signal(SIGSEGV, signal_handler); signal(SIGTERM, signal_handler); } void VID_ShiftPalette(unsigned char *p) { // VID_SetPalette(p); } void VID_SetPalette (unsigned char *palette) { byte *pal; unsigned r,g,b; unsigned v; int r1,g1,b1; int k; unsigned short i; unsigned *table; FILE *f; char s[255]; float dist, bestdist; static qboolean palflag = false; // // 8 8 8 encoding // Con_Printf("Converting 8to24\n"); pal = palette; table = d_8to24table; for (i=0 ; i<256 ; i++) { r = pal[0]; g = pal[1]; b = pal[2]; pal += 3; // v = (255<<24) + (r<<16) + (g<<8) + (b<<0); // v = (255<<0) + (r<<8) + (g<<16) + (b<<24); v = (255<<24) + (r<<0) + (g<<8) + (b<<16); *table++ = v; } d_8to24table[255] &= 0xffffff; // 255 is transparent // JACK: 3D distance calcs - k is last closest, l is the distance. // FIXME: Precalculate this and cache to disk. if (palflag) return; palflag = true; COM_FOpenFile("glquake/15to8.pal", &f); if (f) { fread(d_15to8table, 1<<15, 1, f); fclose(f); } else { for (i=0; i < (1<<15); i++) { /* Maps 000000000000000 000000000011111 = Red = 0x1F 000001111100000 = Blue = 0x03E0 111110000000000 = Grn = 0x7C00 */ r = ((i & 0x1F) << 3)+4; g = ((i & 0x03E0) >> 2)+4; b = ((i & 0x7C00) >> 7)+4; pal = (unsigned char *)d_8to24table; for (v=0,k=0,bestdist=10000.0; v<256; v++,pal+=4) { r1 = (int)r - (int)pal[0]; g1 = (int)g - (int)pal[1]; b1 = (int)b - (int)pal[2]; dist = sqrt(((r1*r1)+(g1*g1)+(b1*b1))); if (dist < bestdist) { k=v; bestdist = dist; } } d_15to8table[i]=k; } sprintf(s, "%s/glquake", com_gamedir); Sys_mkdir (s); sprintf(s, "%s/glquake/15to8.pal", com_gamedir); if ((f = fopen(s, "wb")) != NULL) { fwrite(d_15to8table, 1<<15, 1, f); fclose(f); } } } /* =============== GL_Init =============== */ void GL_Init (void) { gl_vendor = glGetString (GL_VENDOR); Con_Printf ("GL_VENDOR: %s\n", gl_vendor); gl_renderer = glGetString (GL_RENDERER); Con_Printf ("GL_RENDERER: %s\n", gl_renderer); gl_version = glGetString (GL_VERSION); Con_Printf ("GL_VERSION: %s\n", gl_version); gl_extensions = glGetString (GL_EXTENSIONS); Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions); // Con_Printf ("%s %s\n", gl_renderer, gl_version); glClearColor (1,0,0,0); glCullFace(GL_FRONT); glEnable(GL_TEXTURE_2D); glEnable(GL_ALPHA_TEST); glAlphaFunc(GL_GREATER, 0.666); glPolygonMode (GL_FRONT_AND_BACK, GL_FILL); glShadeModel (GL_FLAT); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); } /* ================= GL_BeginRendering ================= */ void GL_BeginRendering (int *x, int *y, int *width, int *height) { extern cvar_t gl_clear; *x = *y = 0; *width = scr_width; *height = scr_height; // if (!wglMakeCurrent( maindc, baseRC )) // Sys_Error ("wglMakeCurrent failed"); // glViewport (*x, *y, *width, *height); } void GL_EndRendering (void) { glFlush(); fxMesaSwapBuffers(); } void Init_KBD(void) { int i; if (COM_CheckParm("-nokbd")) UseKeyboard = 0; if (UseKeyboard) { for (i=0 ; i<128 ; i++) scantokey[i] = ' '; scantokey[42] = K_SHIFT; scantokey[54] = K_SHIFT; scantokey[72] = K_UPARROW; scantokey[103] = K_UPARROW; scantokey[80] = K_DOWNARROW; scantokey[108] = K_DOWNARROW; scantokey[75] = K_LEFTARROW; scantokey[105] = K_LEFTARROW; scantokey[77] = K_RIGHTARROW; scantokey[106] = K_RIGHTARROW; scantokey[29] = K_CTRL; scantokey[97] = K_CTRL; scantokey[56] = K_ALT; scantokey[100] = K_ALT; // scantokey[58] = JK_CAPS; // scantokey[69] = JK_NUM_LOCK; scantokey[71] = K_HOME; scantokey[73] = K_PGUP; scantokey[79] = K_END; scantokey[81] = K_PGDN; scantokey[82] = K_INS; scantokey[83] = K_DEL; scantokey[1 ] = K_ESCAPE; scantokey[28] = K_ENTER; scantokey[15] = K_TAB; scantokey[14] = K_BACKSPACE; scantokey[119] = K_PAUSE; scantokey[57] = ' '; scantokey[102] = K_HOME; scantokey[104] = K_PGUP; scantokey[107] = K_END; scantokey[109] = K_PGDN; scantokey[110] = K_INS; scantokey[111] = K_DEL; scantokey[2] = '1'; scantokey[3] = '2'; scantokey[4] = '3'; scantokey[5] = '4'; scantokey[6] = '5'; scantokey[7] = '6'; scantokey[8] = '7'; scantokey[9] = '8'; scantokey[10] = '9'; scantokey[11] = '0'; scantokey[12] = '-'; scantokey[13] = '='; scantokey[41] = '`'; scantokey[26] = '['; scantokey[27] = ']'; scantokey[39] = ';'; scantokey[40] = '\''; scantokey[51] = ','; scantokey[52] = '.'; scantokey[53] = '/'; scantokey[43] = '\\'; scantokey[59] = K_F1; scantokey[60] = K_F2; scantokey[61] = K_F3; scantokey[62] = K_F4; scantokey[63] = K_F5; scantokey[64] = K_F6; scantokey[65] = K_F7; scantokey[66] = K_F8; scantokey[67] = K_F9; scantokey[68] = K_F10; scantokey[87] = K_F11; scantokey[88] = K_F12; scantokey[30] = 'a'; scantokey[48] = 'b'; scantokey[46] = 'c'; scantokey[32] = 'd'; scantokey[18] = 'e'; scantokey[33] = 'f'; scantokey[34] = 'g'; scantokey[35] = 'h'; scantokey[23] = 'i'; scantokey[36] = 'j'; scantokey[37] = 'k'; scantokey[38] = 'l'; scantokey[50] = 'm'; scantokey[49] = 'n'; scantokey[24] = 'o'; scantokey[25] = 'p'; scantokey[16] = 'q'; scantokey[19] = 'r'; scantokey[31] = 's'; scantokey[20] = 't'; scantokey[22] = 'u'; scantokey[47] = 'v'; scantokey[17] = 'w'; scantokey[45] = 'x'; scantokey[21] = 'y'; scantokey[44] = 'z'; scantokey[78] = '+'; scantokey[74] = '-'; if (keyboard_init()) Sys_Error("keyboard_init() failed"); keyboard_seteventhandler(keyhandler); } } #define NUM_RESOLUTIONS 3 static resolutions[NUM_RESOLUTIONS][3]={ { 512, 384, GR_RESOLUTION_512x384 }, { 640, 400, GR_RESOLUTION_640x400 }, { 640, 480, GR_RESOLUTION_640x480 } }; int findres(int *width, int *height) { int i; for(i=0;i<NUM_RESOLUTIONS;i++) if((*width<=resolutions[i][0]) && (*height<=resolutions[i][1])) { *width = resolutions[i][0]; *height = resolutions[i][1]; return resolutions[i][2]; } *width = 640; *height = 480; return GR_RESOLUTION_640x480; } qboolean VID_Is8bit(void) { return is8bit; } #ifdef GL_EXT_SHARED void VID_Init8bitPalette() { // Check for 8bit Extensions and initialize them. int i; char thePalette[256*3]; char *oldPalette, *newPalette; if (strstr(gl_extensions, "GL_EXT_shared_texture_palette") == NULL) return; Con_SafePrintf("8-bit GL extensions enabled.\n"); glEnable( GL_SHARED_TEXTURE_PALETTE_EXT ); oldPalette = (char *) d_8to24table; //d_8to24table3dfx; newPalette = thePalette; for (i=0;i<256;i++) { *newPalette++ = *oldPalette++; *newPalette++ = *oldPalette++; *newPalette++ = *oldPalette++; oldPalette++; } glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette); is8bit = true; } #else extern void gl3DfxSetPaletteEXT(GLuint *pal); void VID_Init8bitPalette(void) { // Check for 8bit Extensions and initialize them. int i; GLubyte table[256][4]; char *oldpal; if (strstr(gl_extensions, "3DFX_set_global_palette") == NULL) return; Con_SafePrintf("8-bit GL extensions enabled.\n"); glEnable( GL_SHARED_TEXTURE_PALETTE_EXT ); oldpal = (char *) d_8to24table; //d_8to24table3dfx; for (i=0;i<256;i++) { table[i][2] = *oldpal++; table[i][1] = *oldpal++; table[i][0] = *oldpal++; table[i][3] = 255; oldpal++; } gl3DfxSetPaletteEXT((GLuint *)table); is8bit = true; } #endif void VID_Init(unsigned char *palette) { int i; GLint attribs[32]; char gldir[MAX_OSPATH]; int width = 640, height = 480; S_Init(); Init_KBD(); Cvar_RegisterVariable (&vid_mode); Cvar_RegisterVariable (&vid_redrawfull); Cvar_RegisterVariable (&vid_waitforrefresh); Cvar_RegisterVariable (&gl_ztrick); vid.maxwarpwidth = WARP_WIDTH; vid.maxwarpheight = WARP_HEIGHT; vid.colormap = host_colormap; vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048)); // interpret command-line params // set vid parameters attribs[0] = FXMESA_DOUBLEBUFFER; attribs[1] = FXMESA_ALPHA_SIZE; attribs[2] = 1; attribs[3] = FXMESA_DEPTH_SIZE; attribs[4] = 1; attribs[5] = FXMESA_NONE; 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 ((i = COM_CheckParm("-conwidth")) != 0) vid.conwidth = Q_atoi(com_argv[i+1]); else vid.conwidth = 640; vid.conwidth &= 0xfff8; // make it a multiple of eight if (vid.conwidth < 320) vid.conwidth = 320; // pick a conheight that matches with correct aspect vid.conheight = vid.conwidth*3 / 4; if ((i = COM_CheckParm("-conheight")) != 0) vid.conheight = Q_atoi(com_argv[i+1]); if (vid.conheight < 200) vid.conheight = 200; fc = fxMesaCreateContext(0, findres(&width, &height), GR_REFRESH_75Hz, attribs); if (!fc) Sys_Error("Unable to create 3DFX context.\n"); scr_width = width; scr_height = height; fxMesaMakeCurrent(fc); if (vid.conheight > height) vid.conheight = height; if (vid.conwidth > width) vid.conwidth = width; vid.width = vid.conwidth; vid.height = vid.conheight; vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0); vid.numpages = 2; InitSig(); // trap evil signals GL_Init(); sprintf (gldir, "%s/glquake", com_gamedir); Sys_mkdir (gldir); VID_SetPalette(palette); // Check for 3DFX Extensions and initialize them. VID_Init8bitPalette(); Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height); vid.recalc_refdef = 1; // force a surface cache flush } void Sys_SendKeyEvents(void) { if (UseKeyboard) while (keyboard_update()); } void Force_CenterView_f (void) { cl.viewangles[PITCH] = 0; } void mousehandler(int buttonstate, int dx, int dy) { mouse_buttonstate = buttonstate; mx += dx; my += dy; } void IN_Init(void) { int mtype; char *mousedev; int mouserate; if (UseMouse) { Cvar_RegisterVariable (&mouse_button_commands[0]); Cvar_RegisterVariable (&mouse_button_commands[1]); Cvar_RegisterVariable (&mouse_button_commands[2]); Cmd_AddCommand ("force_centerview", Force_CenterView_f); mouse_buttons = 3; mtype = vga_getmousetype(); mousedev = "/dev/mouse"; if (getenv("MOUSEDEV")) mousedev = getenv("MOUSEDEV"); if (COM_CheckParm("-mdev")) mousedev = com_argv[COM_CheckParm("-mdev")+1]; mouserate = 1200; if (getenv("MOUSERATE")) mouserate = atoi(getenv("MOUSERATE")); if (COM_CheckParm("-mrate")) mouserate = atoi(com_argv[COM_CheckParm("-mrate")+1]); if (mouse_init(mousedev, mtype, mouserate)) { Con_Printf("No mouse found\n"); UseMouse = 0; } else mouse_seteventhandler(mousehandler); } } void IN_Shutdown(void) { if (UseMouse) mouse_close(); } /* =========== IN_Commands =========== */ void IN_Commands (void) { if (UseMouse) { // poll mouse values while (mouse_update()) ; // perform button actions if ((mouse_buttonstate & MOUSE_LEFTBUTTON) && !(mouse_oldbuttonstate & MOUSE_LEFTBUTTON)) Key_Event (K_MOUSE1, true); else if (!(mouse_buttonstate & MOUSE_LEFTBUTTON) && (mouse_oldbuttonstate & MOUSE_LEFTBUTTON)) Key_Event (K_MOUSE1, false); if ((mouse_buttonstate & MOUSE_RIGHTBUTTON) && !(mouse_oldbuttonstate & MOUSE_RIGHTBUTTON)) Key_Event (K_MOUSE2, true); else if (!(mouse_buttonstate & MOUSE_RIGHTBUTTON) && (mouse_oldbuttonstate & MOUSE_RIGHTBUTTON)) Key_Event (K_MOUSE2, false); if ((mouse_buttonstate & MOUSE_MIDDLEBUTTON) && !(mouse_oldbuttonstate & MOUSE_MIDDLEBUTTON)) Key_Event (K_MOUSE3, true); else if (!(mouse_buttonstate & MOUSE_MIDDLEBUTTON) && (mouse_oldbuttonstate & MOUSE_MIDDLEBUTTON)) Key_Event (K_MOUSE3, false); mouse_oldbuttonstate = mouse_buttonstate; } } /* =========== IN_Move =========== */ void IN_MouseMove (usercmd_t *cmd) { if (!UseMouse) return; // poll mouse values while (mouse_update()) ; if (m_filter.value) { 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; mx = my = 0; // clear for next update mouse_x *= sensitivity.value; mouse_y *= sensitivity.value; // add mouse X/Y movement to cmd if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) )) cmd->sidemove += m_side.value * mouse_x; else cl.viewangles[YAW] -= m_yaw.value * mouse_x; if (in_mlook.state & 1) V_StopPitchDrift (); if ( (in_mlook.state & 1) && !(in_strafe.state & 1)) { cl.viewangles[PITCH] += m_pitch.value * mouse_y; if (cl.viewangles[PITCH] > 80) cl.viewangles[PITCH] = 80; if (cl.viewangles[PITCH] < -70) cl.viewangles[PITCH] = -70; } else { if ((in_strafe.state & 1) && noclip_anglehack) cmd->upmove -= m_forward.value * mouse_y; else cmd->forwardmove -= m_forward.value * mouse_y; } } void IN_Move (usercmd_t *cmd) { IN_MouseMove(cmd); } void VID_UnlockBuffer() {} void VID_LockBuffer() {}