/************************************************************************** * * * 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(C) 1995, Silicon Graphics, Inc. * * * * These coded instructions, statements, and computer programs contain * * unpublished proprietary information of Silicon Graphics, Inc., and * * are protected by Federal copyright law.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: lines.c,v $ $Revision: 1.1.1.1 $ $Date: 2003/01/17 23:03:21 $ *---------------------------------------------------------------------*/ /* * File: lines.c * Create Date: Thu Jun 22 09:28:01 PDT 1995 * * */ #include #include /* needed for argument passing into the app */ #include #include "lines.h" #include "static.h" #define F3DEX2 0 #define L3DEX2 1 /* * 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. */ /* * Stacks for the threads as well as message queues for synchronization * This stack is ridiculously large, and could also be reclaimed once * the main thread is started. */ 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; OSMesg dummyMesg; OSTask *tlistp; Dynamic *dynamicp; /* * Dynamic data. */ Dynamic dynamic; /* * Task descriptor. */ 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 */ NULL, /* task fifo buffer start ptr */ NULL, /* task fifo buffer end ptr */ 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 */ static int draw_buffer = 0; static int FrameRate = 1; float theta = 0; float TranslateHorizontal = 0; float TranslateVertical = 0; void *cfb_ptrs[2]; OSPiHandle *handler; void boot(void) { 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, (void *)0, mainThreadStack+STACKSIZE/sizeof(u64), 10); osStartThread(&mainThread); /* * Become the idle thread */ osSetThreadPri(0, 0); for (;;); } void CreateMessageQueues(void) { osCreateMesgQueue(&dmaMessageQ, &dmaMessageBuf, 1); osCreateMesgQueue(&rdpMessageQ, &rdpMessageBuf, 1); osSetEventMesg(OS_EVENT_DP, &rdpMessageQ, dummyMessage); osCreateMesgQueue(&retraceMessageQ, &retraceMessageBuf, 1); osViSetEvent(&retraceMessageQ, dummyMessage, FrameRate); } void SetupSegments(void) { /* Tell RCP where each segment is */ gSPSegment(glistp++, 0, 0x0); } void CreateTaskStructure(int type) { /* Build graphics task */ tlistp->t.ucode_boot = (u64 *) rspbootTextStart; tlistp->t.ucode_boot_size = (u32)rspbootTextEnd - (u32)rspbootTextStart; /* choose which ucode to run */ /* RSP output over XBUS to RDP: */ if (type == F3DEX2) { tlistp->t.ucode = (u64 *) gspF3DEX2_xbusTextStart; tlistp->t.ucode_data = (u64 *) gspF3DEX2_xbusDataStart; } else { tlistp->t.ucode = (u64 *) gspL3DEX2_xbusTextStart; tlistp->t.ucode_data = (u64 *) gspL3DEX2_xbusDataStart; } /* initial display list: */ tlistp->t.data_ptr = (u64 *) dynamicp->glist; } static void SwapViBuffer(void) { /* setup to swap buffers */ osViSwapBuffer(cfb_ptrs[draw_buffer]); /* Make sure there isn't an old retrace in queue */ if (MQ_IS_FULL(&retraceMessageQ)) (void)osRecvMesg(&retraceMessageQ, NULL, OS_MESG_BLOCK); /* Wait for Vertical retrace to finish swap buffers */ (void)osRecvMesg(&retraceMessageQ, NULL, OS_MESG_BLOCK); draw_buffer ^= 1; } static void IdentMatrices(void) { guRotate(&dynamicp->modeling1, 0, 0.0F, 0.0F, 1.0F); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamic.modeling1)), G_MTX_MODELVIEW|G_MTX_LOAD|G_MTX_NOPUSH); } static void SetupViewing(void) { u16 perspNorm; #if 0 guOrtho(&dynamicp->projection, 0.00, SCREEN_WD-1, 0.00, SCREEN_HT-1, -200, 200, 1.0); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamic.projection)), G_MTX_PROJECTION|G_MTX_LOAD|G_MTX_NOPUSH); #else guPerspective(&dynamicp->projection,&perspNorm, 33, 320.0/240.0, 1, 1000, 1.0); guLookAt(&dynamicp->viewing, 160, 120, 400, 160, 120, 0, 0, 1, 0); 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); gSPPerspNormalize(glistp++, perspNorm); #endif } static void SetupMatrices(void) { guTranslate(&dynamicp->modeling2, 160.0, 120.0, 0.0); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamic.modeling2)), G_MTX_MODELVIEW|G_MTX_LOAD|G_MTX_NOPUSH); guRotate(&dynamicp->modeling3, theta, 1.0, 1.0, 0.0); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamic.modeling3)), G_MTX_MODELVIEW|G_MTX_MUL|G_MTX_NOPUSH); guTranslate(&dynamicp->modeling4, -160.0 + TranslateHorizontal, -120.0 + TranslateVertical, 0.0); gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamic.modeling4)), G_MTX_MODELVIEW|G_MTX_MUL|G_MTX_NOPUSH); theta += 1.0F; } static void doPolyFuncs(void) { /* Setup display modes antialiased in 1 cycle */ gDPSetRenderMode(glistp++, G_RM_ZB_OPA_SURF, G_RM_ZB_OPA_SURF2); SetupViewing(); IdentMatrices(); gSPDisplayList(glistp++, background_dl); } static void doLineFuncs(void) { /* Setup display modes antialiased in 1 cycle */ gDPSetRenderMode(glistp++, G_RM_AA_ZB_XLU_LINE /* | Z_UPD /* */, G_RM_AA_ZB_XLU_LINE2 /* | Z_UPD /* */); SetupViewing(); IdentMatrices(); gSPDisplayList(glistp++, border1); SetupMatrices(); gSPDisplayList(glistp++, sphere); } static void InitDisplayLists(void) { /* pointers to build the display list */ glistp = dynamicp->glist; SetupSegments(); /* Initialize RDP state */ gSPDisplayList(glistp++, rdpinit_dl); /* Initialize RSP state */ gSPDisplayList(glistp++, rspinit_dl); } static void ClearFrameBuffer(void) { /* Clear color framebuffer */ gDPSetCycleType(glistp++, G_CYC_FILL); gDPSetColorImage(glistp++, G_IM_FMT_RGBA, G_IM_SIZ_16b, SCREEN_WD, OS_K0_TO_PHYSICAL(cfb_ptrs[draw_buffer])); gDPSetFillColor(glistp++, GPACK_RGBA5551(64,64,64,1) << 16 | GPACK_RGBA5551(64,64,64,1)); gDPFillRectangle(glistp++, 0, 0, SCREEN_WD-1, SCREEN_HT-1); gDPPipeSync(glistp++); gDPSetFillColor(glistp++, GPACK_RGBA5551(64,64,255,1) << 16 | GPACK_RGBA5551(64,64,255,1)); gDPFillRectangle(glistp++, 20, 20, SCREEN_WD-20, SCREEN_HT-20); gDPPipeSync(glistp++); gDPSetCycleType(glistp++, G_CYC_1CYCLE); } static void ClearZBuffer (void) { gDPSetColorImage(glistp++, G_IM_FMT_RGBA, G_IM_SIZ_16b, SCREEN_WD, OS_K0_TO_PHYSICAL(zbuffer)); gDPPipeSync(glistp++); gDPSetCycleType(glistp++, G_CYC_FILL); gDPSetFillColor(glistp++, GPACK_ZDZ(G_MAXFBZ, 0) << 16 | GPACK_ZDZ(G_MAXFBZ, 0)); gDPFillRectangle(glistp++, 0, 0, SCREEN_WD-1, SCREEN_HT-1); gDPPipeSync(glistp++); } /* stupid procedure name... */ static void CleanupAndSendDisplayList(int MicrocodeType) { gDPFullSync(glistp++); gSPEndDisplayList(glistp++); #ifdef DEBUG #ifndef __MWERKS__ assert((glistp-dynamicp->glist) < GLIST_LEN); #endif #endif tlistp->t.data_size = (u32)((glistp - dynamicp->glist) * sizeof(Gfx)); /* Write back dirty cache lines that need to be read by the RCP */ osWritebackDCache(&dynamic, sizeof(dynamic)); /* start up the RSP task */ CreateTaskStructure(MicrocodeType); osSpTaskStart(tlistp); /* wait for RDP completion */ (void)osRecvMesg(&rdpMessageQ, NULL, OS_MESG_BLOCK); } static void doLinePoly(void) { /* Main game loop */ while (1) { /* Do poly stuff */ InitDisplayLists(); ClearZBuffer(); ClearFrameBuffer(); doPolyFuncs(); CleanupAndSendDisplayList(F3DEX2); /* Do line stuff */ InitDisplayLists(); doLineFuncs(); CleanupAndSendDisplayList(L3DEX2); SwapViBuffer(); } } static void mainproc(void *arg) { tlistp = &tlist; dynamicp = &dynamic; cfb_ptrs[0] = cfb_16_a; cfb_ptrs[1] = cfb_16_b; CreateMessageQueues(); doLinePoly(); }