test_main.c
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/*************************************************************
test_main.c : Nintendo 64 Music Tools Library Sample
(c) Copyright 1998, Software Creations (Holdings) Ltd.
Version 3.11
SIMPLE demo main source file (after music implementation).
**************************************************************/
/* include system header files */
#ifndef F3DEX_GBI
#define F3DEX_GBI
#endif
#include <ultra64.h>
#include <sched.h>
#include <libmus.h>
/* include current header file */
#include "test_rom.h"
/* private function prototypes */
void StartThread (void *ignored);
void GameThread (void *ignored);
void MainLoop (void);
/* macros - stack sizes */
#define BOOTSTACK_SIZE (STACKSIZE)
#define MAINSTACK_SIZE (STACKSIZE)
/* macros - size of the DMA queue */
#define DMA_QUEUE_SIZE 200
/* macros - all geometry modes */
#define GEOM_ALL G_SHADE|G_SHADING_SMOOTH|G_CULL_BOTH|G_FOG|G_LIGHTING|G_TEXTURE_GEN|G_TEXTURE_GEN_LINEAR|G_LOD
/* macros - load projection and model matrices */
#define LOAD_PROJ (G_MTX_PROJECTION|G_MTX_LOAD|G_MTX_NOPUSH)
#define LOAD_MODEL (G_MTX_MODELVIEW|G_MTX_LOAD|G_MTX_NOPUSH)
/* macros - background colour for screen (all three components) */
#define BGCOL 0
/* typedefs - graphics task message */
typedef union
{
short type;
OSScMsg app;
} message_t;
/* typedefs - graphics information */
typedef struct
{
OSScTask task;
message_t mess;
unsigned short *screen;
} info_t;
/* workspace - threads */
OSThread gameThread;
OSThread mainThread;
/* workspace - thread stacks */
u64 bootStack [BOOTSTACK_SIZE/8];
u64 mainThreadStack [MAINSTACK_SIZE/8];
u64 scheduleStack [OS_SC_STACKSIZE/8];
/* workspace - message queues */
OSMesgQueue pi_queue;
OSMesg pi_messages [DMA_QUEUE_SIZE];
OSMesgQueue gfx_queue;
OSMesg gfx_messages [MAX_MESGS];
OSMesgQueue dma_queue;
OSMesg dma_messages [MAX_MESGS];
/* workspace - double buffered graphic information */
info_t info[2];
/* workspace - scheduler */
OSSched sc;
/* Entry point */
void boot(void *ignored)
{
osInitialize();
osCreateThread(&mainThread, 1, StartThread, NULL,(void *)(mainThreadStack+MAINSTACK_SIZE/8), (OSPri)MAIN_PRIORITY);
osStartThread(&mainThread);
}
/* start up thread (becomes idle thread) */
void StartThread(void *ignored)
{
/* start PI manager for ROM access */
osCreatePiManager((OSPri) OS_PRIORITY_PIMGR, &pi_queue, pi_messages, DMA_QUEUE_SIZE);
/* create game thread and start it */
osCreateThread(&gameThread, 6, GameThread, NULL, bootStack+BOOTSTACK_SIZE/8, (OSPri)GAME_PRIORITY);
osStartThread(&gameThread);
/* become idle thread */
osSetThreadPri(0, 0);
for(;;);
}
/* game thread */
void GameThread(void *ignored)
{
OSScClient client;
int mode;
/* create DMA message queue */
osCreateMesgQueue(&dma_queue, dma_messages, MAX_MESGS);
/* initialize default scheduler using "osTvType" */
if (osTvType==0)
mode = OS_VI_PAL_LAN1; /* --- PROGRAMMING CAUTION --- */
else if (osTvType==1) /* Applications must not use "ovTvType" to switch the TV */
mode = OS_VI_NTSC_LAN1; /* system from NTSC to PAL or PAL to NTSC. A Game Pak must */
else /* not be compatible with both NTSC and PAL formats. */
mode = OS_VI_MPAL_LAN1;
osCreateScheduler(&sc, (void *)(scheduleStack+OS_SC_STACKSIZE/8), SCHEDULER_PRIORITY, mode, 1);
info[0].mess.type = OS_SC_DONE_MSG;
info[0].screen = cfb_A;
info[1].mess.type = OS_SC_DONE_MSG;
info[1].screen = cfb_B;
osCreateMesgQueue(&gfx_queue, gfx_messages, MAX_MESGS);
osScAddClient(&sc, &client, &gfx_queue);
/* call main loop (never returns from this) */
MainLoop();
}
/* workspace for MainLoop */
u64 glist[2][100];
Vp vp0 =
{
(SCREEN_XSIZE/2)*4, (SCREEN_YSIZE/2)*4, G_MAXZ/2, 0,
(SCREEN_XSIZE/2)*4, (SCREEN_YSIZE/2)*4, G_MAXZ/2, 0,
};
Vtx tri[]=
{
{ -64, 64,-5,0,0,0,0,0xff,0,0xff},
{ 64, 64,-5,0,0,0,0,0,0,0xff},
{ 64,-64,-5,0,0,0,0xff,0,0,0xff},
};
/* ==========================================================================
Main Loop
========================================================================== */
void MainLoop(void)
{
u64 *glistp, *glist_start;
int i, frame, drawing_flag;
float angle;
u32 work;
OSScTask *task;
Mtx projection_2d, mtxwork, model_2d[2];
message_t *end_msg;
frame = drawing_flag = 0;
angle = 0.0;
/* initialise for 2D */
guOrtho(&projection_2d, 0.0, 320.0, 240.0, 0.0, -200.0, 200.0, 1.0);
/* initialise music player */
InitMusicDriver();
/* start song */
MusStartSong(tune_buf);
/* loop for ever */
while (1)
{
frame ^= 1;
/* rotating triangle */
guTranslate(&model_2d[frame], 160.0, 120.0, 0.0);
guRotate(&mtxwork, angle, 0.0F,0.0F,1.0F);
guMtxCatL(&mtxwork, &model_2d[frame], &model_2d[frame]);
angle += 1.0;
if (angle>=360.0)
angle-=360.0;
glist_start = glistp = &glist[frame][0];
/* special video tackle */
osViSetSpecialFeatures(OS_VI_DITHER_FILTER_ON);
osViSetSpecialFeatures(OS_VI_GAMMA_OFF | OS_VI_GAMMA_DITHER_OFF);
/* setup segments */
gSPSegment(glistp++, 0, 0);
gSPSegment(glistp++, CFB_SEG, OS_K0_TO_PHYSICAL(cfb_A) );
/* set defaults */
gSPViewport(glistp++, &vp0);
gSPClearGeometryMode (glistp++,GEOM_ALL);
gSPTexture (glistp++,0, 0, 0, 0, G_OFF);
gSPSetGeometryMode(glistp++,G_SHADE | G_SHADING_SMOOTH);
gDPSetCycleType (glistp++,G_CYC_1CYCLE);
gDPPipelineMode (glistp++,G_PM_1PRIMITIVE);
gDPSetScissor (glistp++,G_SC_NON_INTERLACE, 0, 0, 320, 240);
gDPSetTextureLOD (glistp++,G_TL_TILE);
gDPSetTextureLUT (glistp++,G_TT_NONE);
gDPSetTextureDetail (glistp++,G_TD_CLAMP);
gDPSetTexturePersp (glistp++,G_TP_PERSP);
gDPSetTextureFilter (glistp++,G_TF_BILERP);
gDPSetTextureConvert (glistp++,G_TC_FILT);
gDPSetCombineMode (glistp++,G_CC_SHADE, G_CC_SHADE);
gDPSetCombineKey (glistp++,G_CK_NONE);
gDPSetAlphaCompare (glistp++,G_AC_NONE);
gDPSetColorDither (glistp++,G_CD_DISABLE);
/* set colour buffer address */
gDPSetColorImage(glistp++, G_IM_FMT_RGBA, G_IM_SIZ_16b, 320, osVirtualToPhysical(frame ? cfb_B : cfb_A));
gDPPipeSync (glistp++);
/* clear screen */
work = GPACK_RGBA5551(BGCOL, BGCOL, BGCOL,1);
gDPSetCycleType (glistp++,G_CYC_FILL);
gDPSetFillColor(glistp++, (work<<16) | work);
gDPFillRectangle (glistp++,0, 0, 320-1, 240-1);
gDPPipeSync(glistp++);
/* now setup to draw something */
gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&projection_2d), LOAD_PROJ);
gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&model_2d[frame]), LOAD_MODEL);
gDPSetCycleType(glistp++, G_CYC_1CYCLE);
gDPSetRenderMode(glistp++, G_RM_AA_OPA_SURF, G_RM_AA_OPA_SURF2);
/* draw simple triangle */
gDPPipeSync(glistp++);
gSPVertex(glistp++, OS_K0_TO_PHYSICAL(&tri[0]),3,0);
gSP1Triangle(glistp++, 0, 1, 2, 0);
gDPFullSync(glistp++);
gSPEndDisplayList(glistp++);
/* make sure previous draw list is complete */
if (drawing_flag)
{
do
{
osRecvMesg(&gfx_queue, (OSMesg *)&end_msg, OS_MESG_BLOCK);
} while (end_msg->type!=OS_SC_DONE_MSG);
}
drawing_flag = 1;
/* create graphic task */
task = &info[frame].task;
task->list.t.data_ptr = (u64 *) glist_start;
task->list.t.data_size = glistp-glist_start;
task->list.t.type = M_GFXTASK;
task->list.t.flags = 0x0;
task->list.t.ucode_boot = (u64 *)rspbootTextStart;
task->list.t.ucode_boot_size = ((int) rspbootTextEnd - (int) rspbootTextStart);
task->list.t.ucode = (u64 *) gspF3DEX_fifoTextStart;
task->list.t.ucode_data = (u64 *) gspF3DEX_fifoDataStart;
task->list.t.ucode_size = 4096;
task->list.t.ucode_data_size = 2048;
task->list.t.dram_stack = NULL;
task->list.t.dram_stack_size = 0;
task->list.t.output_buff = fifo_buffer;
task->list.t.output_buff_size = &fifo_buffer[FIFO_DATA_SIZE/sizeof(u64)];
task->list.t.yield_data_ptr = yield_buffer;
task->list.t.yield_data_size = OS_YIELD_DATA_SIZE;
task->next = 0;
task->flags = OS_SC_NEEDS_RSP | OS_SC_NEEDS_RDP | OS_SC_LAST_TASK | OS_SC_SWAPBUFFER;
task->msgQ = &gfx_queue;
task->msg = (OSMesg)&info[frame].mess;
task->framebuffer = (void *)info[frame].screen;
/* start graphic task */
osWritebackDCacheAll();
osSendMesg(osScGetCmdQ(&sc), (OSMesg) task, OS_MESG_BLOCK);
}
}
/* end of file */