/************************************************************************** * * * Copyright (C) 1995, Silicon Graphics, Inc. * * * * These coded instructions, statements, and computer programs contain * * unpublished proprietary information of Silicon Graphics, Inc., and * * are protected by Federal copyright law. They may not be disclosed * * to third parties or copied or duplicated in any form, in whole or * * in part, without the prior written consent of Silicon Graphics, Inc. * * * *************************************************************************/ /*---------------------------------------------------------------------* Copyright (C) 1997,1998 Nintendo. (Originated by SGI) $RCSfile: letters.c,v $ $Revision: 1.1.1.1 $ $Date: 2003/01/17 23:03:20 $ *---------------------------------------------------------------------*/ /* * File: letters.c * Creator: hsa@sgi.com * Create Date: Sun Jun 4 18:40:31 PDT 1995 * * VERY simple app, draws spinning letters, demonstrating simple * reflection mapping techniques. * */ #define DTHETA (2.0) #include #include /* needed for argument passing into the app */ #include "letters.h" /* * Symbol genererated by "makerom" to indicate the end of the code segment * in virtual (and physical) memory */ extern char _codeSegmentEnd[]; /* * Symbols generated by "makerom" to tell us where the static segment is * in ROM. */ extern char _staticSegmentRomStart[], _staticSegmentRomEnd[]; /* * Stacks for the threads as well as message queues for synchronization */ u64 bootStack[STACKSIZE/sizeof(u64)]; static void idle(void *); static void mainproc(void *); static OSThread idleThread; static u64 idleThreadStack[STACKSIZE/sizeof(u64)]; static OSThread mainThread; static u64 mainThreadStack[STACKSIZE/sizeof(u64)]; /* this number (the depth of the message queue) needs to be equal * to the maximum number of possible overlapping PI requests. * For this app, 1 or 2 is probably plenty, other apps might * require a lot more. */ #define NUM_PI_MSGS 8 static OSMesg PiMessages[NUM_PI_MSGS]; static OSMesgQueue PiMessageQ; OSMesgQueue dmaMessageQ, rdpMessageQ, retraceMessageQ; OSMesg dmaMessageBuf, rdpMessageBuf, retraceMessageBuf; OSMesg dummyMessage; OSIoMesg dmaIOMessageBuf; /* * Dynamic segment in code space. Needs OS_K0_TO_PHYSICAL()... */ Dynamic dynamic; /* * must be in BSS, not on the stack for this to work: */ OSTask tlist = { M_GFXTASK, /* task type */ OS_TASK_DP_WAIT, /* task flags */ NULL, /* boot ucode pointer (fill in later) */ 0, /* boot ucode size (fill in later) */ NULL, /* task ucode pointer (fill in later) */ SP_UCODE_SIZE, /* task ucode size */ NULL, /* task ucode data pointer (fill in later) */ SP_UCODE_DATA_SIZE, /* task ucode data size */ &dram_stack[0], /* task dram stack pointer */ SP_DRAM_STACK_SIZE8, /* task dram stack size */ &rdp_output[0], /* task fifo buffer ptr start */ &rdp_output[0]+RDP_OUTPUT_LEN, /* task fifo buffer ptr end */ NULL, /* task data pointer (fill in later) */ 0, /* task data size (fill in later) */ NULL, /* task yield buffer ptr (not used here) */ 0 /* task yield buffer size (not used here) */ }; Gfx *glistp; /* global for test case procs */ /* * global variables for arguments, to control test cases */ static int rdp_flag = 1; /* 0:xbus , 1:fifo */ static int draw_buffer = 0; static int use_chrome1D = 0; static void *cfb_ptrs[2]; static float theta = 0.0; static u64 ramrombuf[RAMROM_MSG_SIZE/sizeof(u64)]; static void draw_letters(Dynamic *); static void draw_centerpiece(Dynamic *); static void draw_floor(Dynamic *); static void draw_shadow(Dynamic *); static void draw_setting(Dynamic *); static void draw_background(Dynamic *); float shadowScaleX = 5.1; float shadowScaleZ = 2.7; float shadowTranslateX = -22.0; float shadowTranslateZ = 50.0; /* float shadowScaleX = 2.7; float shadowScaleZ = 2.7; float shadowTranslateX = -40.0; float shadowTranslateZ = 50.0; */ OSPiHandle *handler; boot(void) { /* notice that you can't call osSyncPrintf() until you set * up an idle thread. */ osInitialize(); handler = osCartRomInit(); osCreateThread(&idleThread, 1, idle, (void *)0, idleThreadStack+STACKSIZE/sizeof(u64), 10); osStartThread(&idleThread); /* never reached */ } static void idle(void *arg) { /* Initialize video */ osCreateViManager(OS_PRIORITY_VIMGR); osViSetMode(&osViModeTable[OS_VI_NTSC_LAN1]); /* * Start PI Mgr for access to cartridge */ osCreatePiManager((OSPri)OS_PRIORITY_PIMGR, &PiMessageQ, PiMessages, NUM_PI_MSGS); /* * Create main thread */ osCreateThread(&mainThread, 3, mainproc, arg, mainThreadStack+STACKSIZE/sizeof(u64), 10); osStartThread(&mainThread); /* * Become the idle thread */ osSetThreadPri( 0, 0 ); for(;;); } /* * This is the main routine of the app. */ static void mainproc(void *arg) { #ifdef DEBUG int *pr; char *ap; u32 *argp; u32 argbuf[16]; #endif int keep_going = 1, i, j; OSTask *tlistp; Dynamic *dynamicp; char *staticSegment; u32 clearcolor; int iter; #ifdef DEBUG argp = (u32 *)RAMROM_APP_WRITE_ADDR; for (i=0; iglist[0]); /* * Tell RCP where each segment is */ gSPSegment(glistp++, 0, 0x0); /* K0 (physical) address segment */ gSPSegment(glistp++, STATIC_SEGMENT, osVirtualToPhysical(staticSegment)); gSPDisplayList(glistp++, rdpinit_dl); gSPDisplayList(glistp++, rspinit_dl); gDPSetDepthImage(glistp++, OS_K0_TO_PHYSICAL(zbuffer)); /* * clear z, z = max z, dz = 0 */ gDPSetCycleType(glistp++, G_CYC_FILL); gDPSetColorImage(glistp++, G_IM_FMT_RGBA, G_IM_SIZ_16b, SCREEN_WD, OS_K0_TO_PHYSICAL(zbuffer)); gDPSetFillColor(glistp++, GPACK_ZDZ(G_MAXFBZ,0) << 16 | GPACK_ZDZ(G_MAXFBZ,0)); gDPFillRectangle(glistp++, 0, 0, SCREEN_WD-1, SCREEN_HT-1); /* * Clear framebuffer * doing this as a static display list is a little messier, due * to cfb pointer conversion... */ gDPPipeSync(glistp++); gDPSetCycleType(glistp++, G_CYC_FILL); /* * clear color, cvg = FULL or 1 */ gDPSetColorImage(glistp++, G_IM_FMT_RGBA, G_IM_SIZ_16b, SCREEN_WD, OS_K0_TO_PHYSICAL(cfb_ptrs[draw_buffer])); clearcolor = ((GPACK_RGBA5551(64, 64, 255, 1) << 16) | (GPACK_RGBA5551(64, 64, 255, 1))); gDPSetFillColor(glistp++, clearcolor); gDPFillRectangle(glistp++, 0, 0, SCREEN_WD-1, SCREEN_HT-1); gDPPipeSync(glistp++); gDPSetCycleType(glistp++, G_CYC_1CYCLE); /* end of standard display list part. */ if (use_chrome1D) { draw_setting(dynamicp); } else { draw_background(dynamicp); /* hack, re-init things after sprite background */ gSPDisplayList(glistp++, rdpinit_dl); gSPDisplayList(glistp++, rspinit_dl); } draw_centerpiece(dynamicp); /* all done with this frame. */ gDPFullSync(glistp++); gSPEndDisplayList(glistp++); /* * Build graphics task: * */ tlistp->t.ucode_boot = (u64 *) rspbootTextStart; tlistp->t.ucode_boot_size = ((int)rspbootTextEnd - (int)rspbootTextStart); /* * choose which ucode to run: */ if (rdp_flag) { /* RSP output over FIFO to RDP: */ tlistp->t.ucode = (u64 *) gspF3DEX2_fifoTextStart; tlistp->t.ucode_data = (u64 *) gspF3DEX2_fifoDataStart; } else { /* RSP output over XBUS to RDP: */ tlistp->t.ucode = (u64 *) gspF3DEX2_xbusTextStart; tlistp->t.ucode_data = (u64 *) gspF3DEX2_xbusDataStart; } /* initial display list: */ tlistp->t.data_ptr = (u64 *) dynamicp->glist; tlistp->t.data_size = ((int)(glistp - dynamicp->glist) * sizeof (Gfx)); /* * Can just flush 16KB and forget about each individual pieces * of data to flush. */ osWritebackDCacheAll(); /* unwrap this macro for debugging: * * osSpTaskStart(tlistp); * becomes: * osSpTaskLoad(tlistp); * osSpTaskStartGo(tlistp); */ osSpTaskStart(tlistp); (void)osRecvMesg(&rdpMessageQ, &dummyMessage, OS_MESG_BLOCK); /* setup to swap buffers */ osViSwapBuffer(cfb_ptrs[draw_buffer]); /* Make sure there isn't an old retrace in queue * (assumes queue has a depth of 1) */ if (MQ_IS_FULL(&retraceMessageQ)) (void)osRecvMesg(&retraceMessageQ, &dummyMessage, OS_MESG_BLOCK); /* Wait for Vertical retrace to finish swap buffers */ (void)osRecvMesg(&retraceMessageQ, &dummyMessage, OS_MESG_BLOCK); draw_buffer ^= 1; theta += DTHETA; } for(;;); } /* draw the spinning letters */ static void draw_centerpiece(Dynamic *dynamicp) { u16 perspNorm; guPerspective(&dynamicp->projection, &perspNorm, 33, 320.0/240.0, 100, 2000, 1.0); guLookAtReflect(&dynamicp->viewing, &(dynamicp->lookat[0]), 50, 0, 400, 0, 0, 0, 0, 1, 0); gSPLookAt(glistp++, &(dynamicp->lookat[0])); gSPPerspNormalize(glistp++, perspNorm); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamicp->projection)), G_MTX_PROJECTION|G_MTX_LOAD|G_MTX_NOPUSH); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamicp->viewing)), G_MTX_PROJECTION|G_MTX_MUL|G_MTX_NOPUSH); guTranslate(&dynamicp->letters_trans, -5.0, -7.0, 0.0); guScale(&dynamicp->letters_scale, 2.5, 2.5, 2.5); guRotate(&dynamicp->letters_rotate, theta, 0.2, 1.0, 0.0); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamicp->letters_trans)), G_MTX_MODELVIEW|G_MTX_LOAD|G_MTX_NOPUSH); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamicp->letters_scale)), G_MTX_MODELVIEW|G_MTX_MUL|G_MTX_NOPUSH); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamicp->letters_rotate)), G_MTX_MODELVIEW|G_MTX_MUL|G_MTX_NOPUSH); gSPDisplayList(glistp++, letters_setup_dl); if (use_chrome1D) { gSPDisplayList(glistp++, u64_chrome1D_dl); } else { gSPDisplayList(glistp++, u64_chrome2D_dl); } gSPDisplayList(glistp++, u64_geom_dl); } /* draw background for 1D chrome demo */ static void draw_setting(Dynamic *dynamicp) { u16 perspNorm; guPerspective(&dynamicp->projectionBG,&perspNorm, 33, 1, 10, 5000, 1.0); gSPPerspNormalize(glistp++, perspNorm); guLookAt (&dynamicp->viewingBG, 0, 0, 54, 0, 0, 0, 0, 1, 0); guRotate (&dynamicp->identity, 0.0, 1.0, 0.0, 0.0); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamicp->projectionBG)), G_MTX_PROJECTION|G_MTX_LOAD|G_MTX_NOPUSH); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamicp->viewingBG)), G_MTX_PROJECTION|G_MTX_MUL|G_MTX_NOPUSH); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamicp->identity)), G_MTX_MODELVIEW|G_MTX_LOAD|G_MTX_NOPUSH); gSPDisplayList(glistp++, setting_setup_dl); gSPDisplayList(glistp++, setting_geom_dl); } /* draw background for 2D chrome demo */ static void do_bkg( Gfx **pglistp ) { Gfx *gp, *dl; extern Sprite gameday_sprite; gp = *pglistp; gameday_sprite.rsp_dl_next = gameday_sprite.rsp_dl; spMove( &gameday_sprite, 0,0 ); spScale( &gameday_sprite, 1.0, 1.0 ); spSetAttribute( &gameday_sprite, SP_FASTCOPY ); dl = spDraw( &gameday_sprite ); gSPDisplayList(gp++, dl ); *pglistp = gp; } static void draw_background(Dynamic *dynamicp) { spInit(&glistp); /* Initialize Sprites */ do_bkg(&glistp); /* * doesn't quite work... spFinish(&glistp); */ } #include "sp_gameday.h"