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
FROMRAM demo main source file. This demo illustrates how to
use the library with samples based in RAM as opposed to ROM.
**************************************************************/
/* include system 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"
// prototypes...
void StartThread (void *ignored);
void GameThread (void *ignored);
void MainLoop (void);
/* internal macros */
#define BOOTSTACK_SIZE (STACKSIZE)
#define MAINSTACK_SIZE (STACKSIZE)
#define DMA_QUEUE_SIZE 200
#define GEOM_ALL G_SHADE|G_SHADING_SMOOTH|G_CULL_BOTH|G_FOG|G_LIGHTING|G_TEXTURE_GEN|G_TEXTURE_GEN_LINEAR|G_LOD
#define LOAD_PROJ (G_MTX_PROJECTION|G_MTX_LOAD|G_MTX_NOPUSH)
#define LOAD_MODEL (G_MTX_MODELVIEW|G_MTX_LOAD|G_MTX_NOPUSH)
#define BGCOL 0
/* typedef - message */
typedef union
{
short type;
OSScMsg app;
} message_t;
/* typedef - graphics information */
typedef struct
{
OSScTask task;
message_t mess;
unsigned short *screen;
} info_t;
/* internal workspace */
OSThread gameThread;
OSThread mainThread;
u64 bootStack [BOOTSTACK_SIZE/8];
u64 mainThreadStack [MAINSTACK_SIZE/8];
u64 scheduleStack [OS_SC_STACKSIZE/8];
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];
info_t info[2];
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 */
void StartThread(void *ignored)
{
/* create PI manager for ROM access */
osCreatePiManager((OSPri) OS_PRIORITY_PIMGR, &pi_queue, pi_messages, DMA_QUEUE_SIZE);
/* create main thread and start it */
osCreateThread(&gameThread, 6, GameThread, NULL, bootStack+BOOTSTACK_SIZE/8, (OSPri)GAME_PRIORITY);
osStartThread(&gameThread);
/* become the idle thread */
osSetThreadPri(0, 0);
for(;;);
}
/* main 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);
/* initialise double buffered info */
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, /* scale */
(SCREEN_XSIZE/2)*4, (SCREEN_YSIZE/2)*4, G_MAXZ/2, 0, /* translate */
};
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;
Mtx projection_2d, mtxwork, model_2d[2];
OSScTask *task;
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 task...
osWritebackDCacheAll();
osSendMesg(osScGetCmdQ(&sc), (OSMesg)task, OS_MESG_BLOCK);
}
}
/* end of file */