sprite.c
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/**************************************************************************
* *
* 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* unpublished proprietary information of Silicon Graphics, Inc., and *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) 1998 Nintendo. (Originated by SGI)
$RCSfile: sprite.c,v $
$Revision: 1.1.1.2 $
$Date: 2002/10/29 08:06:01 $
*---------------------------------------------------------------------*/
/*
* File: lines.c
* Create Date: Thu Jun 22 09:28:01 PDT 1995
*
*
*/
#include <ultra64.h>
#include <PR/ramrom.h> /* needed for argument passing into the app */
#include <assert.h>
#include "sprite.h"
#include "static.h"
#include "controller.h"
int SCREEN_WD = 640;
int SCREEN_HT = 480;
int TranslateHorizontal = 0;
int TranslateVertical = 0;
int ControllerMode = 2;
int ActiveController;
int TextureStartS;
int TextureStartT;
int RectangleWidth;
int RectangleHeight;
int TextureScaleX;
int TextureScaleY;
int TextureNumber;
int ImageWidth;
int ImageHeight;
int ImageType;
int ImageSize;
int FlipTextureX;
int FlipTextureY;
void *ImagePointer;
void *TlutPointer;
static void Text1Init(void);
static void Text1Func(void);
static void Text1Engine(void);
static void doLinePoly(void);
TestStructureElement TestStruct[] =
{
"Text1", Text1Func, doLinePoly, Text1Init, Text1Engine,
};
int ControllerInput = 0;
int PrintInstructions = 1;
int NewTextureNumber = 1;
extern char _codeSegmentEnd[], _cfbSegmentStart[];
extern char _staticSegmentRomStart[], _staticSegmentRomEnd[];
/*
* 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, rspMessageQ, rdpMessageQ, retraceMessageQ;
OSMesg dmaMessageBuf, rspMessageBuf, rdpMessageBuf, retraceMessageBuf;
OSMesg dummyMessage;
OSIoMesg dmaIOMessageBuf;
char *staticSegment;
OSMesg dummyMesg;
OSTask *tlistp;
Dynamic *dynamicp;
/*
* Dynamic data.
*/
Dynamic dynamic;
/*
* necessary for RSP tasks:
*/
u64 dram_stack[SP_DRAM_STACK_SIZE64]; /* used for matrix stack */
/*
* 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 output buffer ptr (not always used) */
NULL, /* task output buffer size 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;
void *cfb_ptrs[2];
#ifdef DEBUG
void parse_args(char *);
#endif
OSPiHandle *handler;
void
boot(void)
{
#ifdef DEBUG
int i;
u32 *argp;
u32 argbuf[16];
#endif
osInitialize();
handler = osCartRomInit();
#ifdef DEBUG
argp = (u32 *)RAMROM_APP_WRITE_ADDR;
for (i=0; i<sizeof(argbuf)/4; i++, argp++)
{
osEPiReadIo(handler, (u32)argp, &argbuf[i]); /* Assume no DMA */
}
parse_args((char *) argbuf);
#endif
osCreateThread(&idleThread, 1, idle, (void *)0,
idleThreadStack+STACKSIZE/sizeof(u64), 10);
osStartThread(&idleThread);
/* never reached */
}
/* copied out of simple's misc.c */
static int myatoi(char *str)
{
int log10[5], logn = 0, val = 0, i, pow10 = 1;
if (str == NULL || *str == '\0')
return(-2);
while (*str != '\0')
{
if (!(*str == '0' ||
*str == '1' ||
*str == '2' ||
*str == '3' ||
*str == '4' ||
*str == '5' ||
*str == '6' ||
*str == '7' ||
*str == '8' ||
*str == '9'))
{
logn = 0;
break;
}
log10[logn++] = *str - '0';
str++;
}
if (logn == 0)
return(-3);
for (i=logn-1; i>= 0; i--)
{
val += log10[i] * pow10;
pow10 *= 10;
}
return (val);
}
#ifdef DEBUG
void parse_args(char *argstring)
{
int argc = 1;
char *arglist[32], **argv = arglist; /* max 32 args */
char *ptr;
if (argstring == NULL || argstring[0] == '\0')
return;
/* re-organize argstring to be like main(argv,argc) */
ptr = argstring;
while (*ptr != '\0') {
while (*ptr != '\0' && (*ptr == ' '))
{
*ptr = '\0';
ptr++;
}
if (*ptr != '\0')
arglist[argc++] = ptr;
while (*ptr != '\0' && (*ptr != ' '))
{
ptr++;
}
}
/* process the arguments: */
while ((argc > 1) && (argv[1][0] == '-'))
{
switch(argv[1][1])
{
case 'i':
PrintInstructions = 0;
break;
default:
break;
}
argc--;
argv++;
}
}
#endif
static void
idle(void *arg)
{
/* Initialize video */
osCreateViManager(OS_PRIORITY_VIMGR);
osViSetMode(&osViModeTable[OS_VI_NTSC_HAF1]);
/*
* Start PI Mgr for access to cartridge
*/
osCreatePiManager((OSPri)OS_PRIORITY_PIMGR, &PiMessageQ, PiMessages,
NUM_PI_MSGS);
/*
* at this point, AND NOT BEFORE, we can now do an
* PRINTF()
*/
/*
* Create main thread
*/
osCreateThread(&mainThread, 3, mainproc, arg,
mainThreadStack+STACKSIZE/sizeof(u64), 10);
osStartThread(&mainThread);
/*
* Become the idle thread
*/
osSetThreadPri(0, 0);
for (;;);
}
void CreateMessageQueues(void)
{
osCreateMesgQueue(&dmaMessageQ, &dmaMessageBuf, 1);
osCreateMesgQueue(&rspMessageQ, &rspMessageBuf, 1);
osSetEventMesg(OS_EVENT_SP, &rspMessageQ, dummyMessage);
osCreateMesgQueue(&rdpMessageQ, &rdpMessageBuf, 1);
osSetEventMesg(OS_EVENT_DP, &rdpMessageQ, dummyMessage);
osCreateMesgQueue(&retraceMessageQ, &retraceMessageBuf, 1);
osViSetEvent(&retraceMessageQ, dummyMessage, FrameRate);
}
void DMAStaticSegment(void)
{
if ((u32) _codeSegmentEnd +
(u32) _staticSegmentRomEnd -
(u32) _staticSegmentRomStart >=
(u32) _cfbSegmentStart)
{
#ifdef DEBUG
PRINTF("Error, trying to clobber frame buffer segment \n");
PRINTF("_codeSegmentEnd %.8x + %.8x = %.8x > _cfbSegmentStart %.8x \n",
(u32) _codeSegmentEnd,
(u32) _staticSegmentRomEnd -
(u32) _staticSegmentRomStart,
(u32) _codeSegmentEnd +
(u32) _staticSegmentRomEnd -
(u32) _staticSegmentRomStart,
(u32) _cfbSegmentStart);
#endif
while(1);
}
staticSegment = _codeSegmentEnd;
dmaIOMessageBuf.hdr.pri = OS_MESG_PRI_NORMAL;
dmaIOMessageBuf.hdr.retQueue = &dmaMessageQ;
dmaIOMessageBuf.dramAddr = staticSegment;
dmaIOMessageBuf.devAddr = (u32)_staticSegmentRomStart;
dmaIOMessageBuf.size = (u32)_staticSegmentRomEnd-(u32)_staticSegmentRomStart;
osEPiStartDma(handler, &dmaIOMessageBuf, OS_READ);
(void)osRecvMesg(&dmaMessageQ, NULL, OS_MESG_BLOCK);
}
void SetupSegments(void)
{
/* Tell RCP where each segment is */
gSPSegment(glistp++, 0, 0x0);
gSPSegment(glistp++, STATIC_SEGMENT, osVirtualToPhysical(staticSegment));
}
void CreateTaskStructure(void)
{
/* Build graphics task */
tlistp->t.ucode_boot = (u64 *) rspbootTextStart;
tlistp->t.ucode_boot_size = (u32)rspbootTextEnd - (u32)rspbootTextStart;
/* choose which ucode to run */
tlistp->t.ucode = (u64 *) gspSprite2DTextStart;
tlistp->t.ucode_data = (u64 *) gspSprite2DDataStart;
/* 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)
{
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);
}
static void SetupPolyMatrices(void)
{
guTranslate(&dynamicp->modeling2,
SCREEN_WD/2.0 + TranslateHorizontal/320.0 * SCREEN_WD,
SCREEN_HT/2.0 - TranslateVertical/240.0 * SCREEN_HT,
0.0);
gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamic.modeling2)),
G_MTX_MODELVIEW|G_MTX_LOAD|G_MTX_NOPUSH);
guRotate(&dynamicp->modeling3, 0, 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,
-SCREEN_WD/2.0,
-SCREEN_HT/2.0,
0.0);
gSPMatrix(glistp++, OS_K0_TO_PHYSICAL(&(dynamic.modeling4)),
G_MTX_MODELVIEW|G_MTX_MUL|G_MTX_NOPUSH);
}
static void DoCommonSetup(void)
{
/* Setup display modes antialiased in 1 cycle */
gDPSetRenderMode(glistp++, G_RM_AA_OPA_SURF, G_RM_AA_OPA_SURF2);
SetupViewing();
IdentMatrices();
SetupPolyMatrices();
}
/* stupid procedure name... */
static void CleanupAndSendDisplayList(void)
{
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();
/* osSpTaskStart(tlistp); */
osSpTaskLoad(tlistp);
osSpTaskStartGo(tlistp);
/* wait for SP completion */
(void)osRecvMesg(&rspMessageQ, NULL, OS_MESG_BLOCK);
(void)osRecvMesg(&rdpMessageQ, NULL, OS_MESG_BLOCK);
}
static void InitViewport(void)
{
static Vp mvp;
mvp.vp.vscale[0] = SCREEN_WD*2;
mvp.vp.vscale[1] = SCREEN_HT*2;
mvp.vp.vscale[2] = G_MAXZ/2;
mvp.vp.vscale[3] = 0;
mvp.vp.vtrans[0] = SCREEN_WD*2;
mvp.vp.vtrans[1] = SCREEN_HT*2;
mvp.vp.vtrans[2] = G_MAXZ/2;
mvp.vp.vtrans[3] = 0;
gSPViewport(glistp++, &mvp);
}
static void InitDisplayLists(void)
{
/* pointers to build the display list */
glistp = dynamicp->glist;
SetupSegments();
/* Setup scissor values */
gDPSetScissor(glistp++, G_SC_NON_INTERLACE, 0, 0, SCREEN_WD, SCREEN_HT);
/* Initialize RDP state */
gSPDisplayList(glistp++, rdpinit_dl);
/* Setup the Viewport */
InitViewport();
/* 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++);
gDPSetCycleType(glistp++, G_CYC_1CYCLE);
}
/* Example of how to do a static sprite structure */
static uSprite mySpriteStruct =
{
dk, /* Image Pointer */
NULL, /* TlutPointer */
640, /* Stride */
200, /* SubImageWidth */
100, /* SubImageHeight */
G_IM_FMT_RGBA, /* SourceImageType */
G_IM_SIZ_32b, /* SourceImageBitSize */
0, 0, /* SourceImageOffsetS, SourceImageOffsetT */
};
Gfx sprite_dl[] =
{
gsSPSprite2DBase(&mySpriteStruct),
gsSPSprite2DScaleFlip(512, 512, 0, 0),
gsSPSprite2DDraw(400, 400),
gsSPEndDisplayList(),
};
uSprite MySprite;
static void DoText1Rect(void)
{
#if 1
guSprite2DInit(&MySprite, ImagePointer, TlutPointer,
ImageWidth, RectangleWidth, RectangleHeight,
ImageType,
ImageSize,
TextureStartS, TextureStartT);
gSPSprite2DBase(glistp++, OS_K0_TO_PHYSICAL(&MySprite));
gSPSprite2DScaleFlip(glistp++, TextureScaleX, TextureScaleY,
FlipTextureX, FlipTextureY);
gSPSprite2DDraw(glistp++, TranslateHorizontal, TranslateVertical);
#else
gSPDisplayList(glistp++, sprite_dl);
#endif
}
static void InitForNewTexture(void)
{
switch (TextureNumber)
{
case 0:
ImageWidth = 640;
ImageHeight = 479;
ImageType = G_IM_FMT_RGBA;
ImageSize = G_IM_SIZ_32b;
ImagePointer = dk;
break;
case 1:
ImageWidth = 512;
ImageHeight = 256;
ImageType = G_IM_FMT_CI;
ImageSize = G_IM_SIZ_4b;
ImagePointer = dk7;
TlutPointer = dk7tlut;
break;
default:
#ifdef DEBUG
PRINTF("!!! ERROR, bad texture number %d \n", TextureNumber);
#endif
break;
}
if (RectangleWidth > ImageWidth) RectangleWidth = ImageWidth;
if (RectangleHeight > ImageHeight) RectangleHeight = ImageHeight;
{
int MaxS, MaxT;
MaxS = ImageWidth - 1 - (RectangleWidth - 1);
MaxT = ImageHeight - RectangleHeight;
if (TextureStartS > MaxS) TextureStartS = MaxS;
if (TextureStartT > MaxT) TextureStartT = MaxT;
}
}
static void Text1Init(void)
{
FlipTextureY = 0;
RectangleWidth = 512;
RectangleHeight = 400;
TextureStartS = 0;
TextureStartT = 0;
TranslateHorizontal = 58*4;
TranslateVertical = 44*4;
TextureScaleX = 1024;
TextureScaleY = 1024;
TextureNumber = 0;
InitForNewTexture();
}
static void Text1Func(void)
{
DoText1Rect();
CleanupAndSendDisplayList();
}
static void Text1Engine(void)
{
}
void WriteOutInstructions1(void)
{
#ifdef DEBUG
PRINTF(" L/R (top buttons) toggle X/Y flipping \n");
PRINTF(" Stick translate image \n");
PRINTF(" Left/Right (pad) Change Texture Start S \n");
PRINTF(" Up/Down (pad) Change Texture Start T \n");
PRINTF(" A Change texture displayed \n");
PRINTF(" C/F (arrows) Change Rectangle Width \n");
PRINTF(" D/E (arrows) Change Rectangle Height \n");
PRINTF(" G (underneath) toggle controller mode \n");
PRINTF(" Start reset values \n");
#endif
}
void WriteOutInstructions2(void)
{
#ifdef DEBUG
PRINTF(" L/R (top buttons) toggle X/Y flipping \n");
PRINTF(" Stick translate image \n");
PRINTF(" Left/Right (pad) Change Texture Scale X \n");
PRINTF(" Up/Down (pad) Change Texture Scale Y \n");
PRINTF(" C/F (arrows) Change Rectangle Width \n");
PRINTF(" D/E (arrows) Change Rectangle Height \n");
PRINTF(" G (underneath) toggle controller mode \n");
PRINTF(" Start reset values \n");
#endif
}
void ClearScreen(void)
{
#ifdef DEBUG
/* write screen clear, take out if it's too obnoxious */
PRINTF("%c%c%c%c%c%c\n", 27, 91, 72, 27, 91, 74);
#endif
}
void PrintCurrentTextureSettings(void)
{
#ifdef DEBUG
ClearScreen();
PRINTF("TranslateHorizontal -> %.2f\tTranslateVertical -> %.2f \n",
TranslateHorizontal/4.0, TranslateVertical/4.0);
PRINTF("Texture Start S -> %d\tTextureStart T -> %d \n",
TextureStartS, TextureStartT);
PRINTF("Rectangle Width -> %d\t Rectangle Height -> %d \n",
RectangleWidth, RectangleHeight);
PRINTF("Texture ScaleX -> %.3f\tTexture ScaleY -> %.3f\tTexture %d \n",
(float) TextureScaleX / (float) (1 << 10),
(float) TextureScaleY / (float) (1 << 10),
TextureNumber);
PRINTF("\n");
PRINTF("Texture Width -> %d\tTexture Height -> %d \n",
ImageWidth, ImageHeight);
PRINTF("Texel Type -> %s\tTexel Size -> %d Bits \n",
(ImageType == G_IM_FMT_RGBA) ? "RGBA" :
(ImageType == G_IM_FMT_IA) ? "IA" :
(ImageType == G_IM_FMT_CI) ? "CI" : "OTHER",
(ImageSize == G_IM_SIZ_4b) ? 4 :
(ImageSize == G_IM_SIZ_8b) ? 8 :
(ImageSize == G_IM_SIZ_16b) ? 16 : 32);
PRINTF("Flip X\t\t-> %.3s\tFlip Y\t\t -> %.3s \n",
(FlipTextureX) ? "yes" : "no",
(FlipTextureY) ? "yes" : "no");
PRINTF("\n");
#endif
}
static void doLinePoly(void)
{
ClearFrameBuffer();
DoCommonSetup();
(*(TestStruct[0]).TestDisplayFunc)();
(*(TestStruct[0]).TestEngineFunc)();
SwapViBuffer();
}
void InitVariables(void)
{
InitForNewTexture();
Text1Init();
}
static void WriteOutInstructions(void)
{
switch (ControllerMode)
{
case 1:
WriteOutInstructions1();
break;
case 2:
WriteOutInstructions2();
break;
default:
#ifdef DEBUG
PRINTF("!!! ERROR: Bad instruction case \n");
#endif
break;
}
}
PrintScreenData(void)
{
if (ControllerInput == 1)
{
if (PrintInstructions)
{
PrintCurrentTextureSettings();
WriteOutInstructions();
}
ControllerInput = 0;
}
}
DoMainAppLoops(void)
{
while (1)
{
/* Moved this call to here for efficiency */
osContStartReadData(&controllerMsgQ);
ReadController();
if (NewTextureNumber)
{
InitForNewTexture();
NewTextureNumber = 0;
}
PrintScreenData();
InitDisplayLists();
(*(TestStruct[0]).TestMainLoop)();
}
}
static void mainproc(void *arg)
{
tlistp = &tlist;
dynamicp = &dynamic;
cfb_ptrs[0] = cfb_a;
cfb_ptrs[1] = cfb_b;
ActiveController = initControllers();
CreateMessageQueues();
DMAStaticSegment();
InitVariables();
(*(TestStruct[0]).TestInitFunc)();
if (PrintInstructions)
{
PrintCurrentTextureSettings();
WriteOutInstructions();
}
DoMainAppLoops();
}