void
main( int argc, char **argv ) {
float
minColor = 55.f,
maxColor = 200.f;
GrVertex
localVerts[3],
texVerts[4];
float
alpha = 192.0f,
y_angle = 0.0f;
int
n,
nTris = 0;
FxBool
depthBias = FXTRUE,
blend = FXFALSE,
texturing = FXFALSE,
antialias = FXTRUE,
bilinear = FXTRUE,
render = FXTRUE,
backbuffer = FXTRUE,
background = FXTRUE;
GrState
nonBlendState, blendState;
float
wWidth, wHeight;
GrScreenResolution_t
screenRes;
GrMipMapId_t
triDecal,
bgDecal;
Gu3dfInfo
bgInfo, triInfo;
FxU16
*scrnImage;
GrColorCombineFnc_t
ccFnc = GR_COLORCOMBINE_ITRGB;
int
numFrames = -1,
frameCount = 0;
char
*bgFileName = NULL,
*triFileName = NULL;
wWidth = 640.0f;
wHeight = 480.0f;
screenRes = GR_RESOLUTION_640x480;
--argc; ++argv;
while (argc) {
if (strstr(*argv, "320x200")) {
wWidth = 320.0f; wHeight = 200.0f;
screenRes = GR_RESOLUTION_320x200;
--argc; ++argv;
} else if (strstr(*argv, "320x240")) {
wWidth = 320.0f; wHeight = 240.0f;
screenRes = GR_RESOLUTION_320x240;
--argc; ++argv;
} else if (strstr(*argv, "400x256")) {
wWidth = 400.0f; wHeight = 256.0f;
screenRes = GR_RESOLUTION_400x256;
--argc; ++argv;
} else if (strstr(*argv, "512x384")) {
wWidth = 512.0f; wHeight = 384.0f;
screenRes = GR_RESOLUTION_512x384;
--argc; ++argv;
} else if (strstr(*argv, "640x480")) {
wWidth = 640.0f; wHeight = 480.0f;
screenRes = GR_RESOLUTION_640x480;
--argc; ++argv;
} else if (strstr(*argv, "800x600")) {
wWidth = 800.0f; wHeight = 600.0f;
screenRes = GR_RESOLUTION_800x600;
--argc; ++argv;
} else if (strstr(*argv, "856x480")) {
wWidth = 856.0f; wHeight = 480.0f;
screenRes = GR_RESOLUTION_856x480;
--argc; ++argv;
} else if (strstr(*argv, "960x720")) {
wWidth = 960.0f; wHeight = 720.0f;
screenRes = GR_RESOLUTION_960x720;
--argc; ++argv;
} else if (strstr(*argv, "640x200")) {
wWidth = 640.f; wHeight = 200.f;
screenRes = GR_RESOLUTION_640x200;
--argc; ++argv;
} else if (strstr(*argv, "640x350")) {
wWidth = 640.f; wHeight = 350.f;
screenRes = GR_RESOLUTION_640x350;
--argc; ++argv;
} else if (strstr(*argv, "640x400")) {
wWidth = 640.f; wHeight = 400.f;
screenRes = GR_RESOLUTION_640x400;
--argc; ++argv;
} else if (strstr(*argv, "bgFile")) {
bgFileName = argv[1];
argc-= 2; argv += 2;
} else if (strstr(*argv, "triFile")) {
triFileName = argv[1];
argc-= 2; argv += 2;
} else if (strstr(*argv, "alpha")) {
alpha = (float)atof(argv[1]);
argc -= 2; argv += 2;
} else if (strstr(*argv, "-n")) {
numFrames = atoi(argv[1]);
argc -= 2; argv += 2;
} else {
fprintf(
stderr,
"Useage: test24 [-bgFile bgfile.3ds] [-triFile triFile.3ds] [ScreenRes (i.e. 640x480 .. 960x720] [-alpha alphavalue] [-n numFrames]\n");
exit(-1);
}
}
scrnImage = malloc((int)wWidth * (int)wHeight * sizeof(FxU16));
puts( "\ntest30:" );
puts( "Depth Bias Level Test\n" );
puts("press H for help\n");
if(numFrames == -1)
{
puts("Press a key to continue");
getch();
}
grGlideInit();
if ( !grSstQueryHardware( &hwconfig ) )
{
fprintf( stderr, "main: grSstQueryHardware failed!\n" );
grGlideShutdown();
exit( -1 );
}
/* Select SST 0 */
grSstSelect( 0 );
/* Open up the hardware */
if ( !grSstOpen( screenRes,
GR_REFRESH_60Hz,
GR_COLORFORMAT_ABGR,
GR_ORIGIN_LOWER_LEFT,
GR_SMOOTHING_ENABLE,
2 ) )
{
fprintf( stderr, "main: grSstOpen failed!\n" );
grGlideShutdown();
exit( -1 );
}
localVerts[0].x = 0.f;
localVerts[0].y = 0.75f;
localVerts[0].z = 0.0f;
localVerts[0].tmuvtx[0].sow = 255.f;
localVerts[0].tmuvtx[0].tow = 255.f;
localVerts[0].oow = 1.f;
localVerts[0].r = maxColor;
localVerts[0].g = minColor;
localVerts[0].b = minColor;
localVerts[0].a = 255.f;
localVerts[1].x = -0.75f;
localVerts[1].y = -0.75f;
localVerts[1].z = 0.0f;
localVerts[1].tmuvtx[0].sow = 0.f;
localVerts[1].tmuvtx[0].tow = 255.f;
localVerts[1].oow = 1.f;
localVerts[1].r = minColor;
localVerts[1].g = maxColor;
localVerts[1].b = minColor;
localVerts[1].a = 255.f;
localVerts[2].x = 0.75f;
localVerts[2].y = -0.75f;
localVerts[2].z = 0.0f;
localVerts[2].tmuvtx[0].sow = 255.f;
localVerts[2].tmuvtx[0].tow = 0.f;
localVerts[2].oow = 1.f;
localVerts[2].r = minColor;
localVerts[2].g = minColor;
localVerts[2].b = maxColor;
localVerts[2].a = 255.f;
texVerts[0].x = 0.f;
texVerts[0].y = 0.f;
texVerts[0].a = 255.f;
texVerts[0].oow = 1.f;
texVerts[0].tmuvtx[0].sow = 0.f * texVerts[0].oow;
texVerts[0].tmuvtx[0].tow = 255.f * texVerts[0].oow;
texVerts[1].x = wWidth;
texVerts[1].y = 0.f;
texVerts[1].a = 255.f;
texVerts[1].oow = 1.f;
texVerts[1].tmuvtx[0].sow = 255.f * texVerts[1].oow;
texVerts[1].tmuvtx[0].tow = 255.f * texVerts[1].oow;
texVerts[2].x = wWidth;
texVerts[2].y = wHeight;
texVerts[2].a = 255.f;
texVerts[2].oow = 1.f;
texVerts[2].tmuvtx[0].sow = 255.f * texVerts[2].oow;
texVerts[2].tmuvtx[0].tow = 0.f * texVerts[2].oow;
texVerts[3].x = 0.f;
texVerts[3].y = wHeight;
texVerts[3].a = 255.f;
texVerts[3].oow = 1.f;
texVerts[3].tmuvtx[0].sow = 0.f * texVerts[3].oow;
texVerts[3].tmuvtx[0].tow = 0.f * texVerts[3].oow;
if (bgFileName == NULL)
bgFileName = "miro.3df";
if (triFileName == NULL)
triFileName = "matt1.3df";
if ( gu3dfGetInfo( bgFileName, &bgInfo ) ) {
bgInfo.data = malloc( bgInfo.mem_required );
if ( bgInfo.data == 0 ) {
fprintf( stderr, "out of memory for texture file %s\n", bgFileName );
grGlideShutdown();
exit( -1 );
}
if ( !gu3dfLoad( bgFileName, &bgInfo ) ) {
fprintf( stderr, "could not load texture file %s\n", bgFileName );
grGlideShutdown();
exit( -1 );
}
bgDecal = guTexAllocateMemory( 0, GR_MIPMAPLEVELMASK_BOTH,
bgInfo.header.width, bgInfo.header.height,
bgInfo.header.format,
GR_MIPMAP_NEAREST,
bgInfo.header.small_lod, bgInfo.header.large_lod,
bgInfo.header.aspect_ratio,
GR_TEXTURECLAMP_WRAP, GR_TEXTURECLAMP_WRAP,
GR_TEXTUREFILTER_BILINEAR, GR_TEXTUREFILTER_BILINEAR,
0.0F,
FXFALSE );
if ( bgDecal == GR_NULL_MIPMAP_HANDLE ) {
fprintf( stderr, "could not allocate memory for texture file %s\n", bgFileName );
grGlideShutdown();
exit( -1 );
}
guTexDownloadMipMap( bgDecal, bgInfo.data, &bgInfo.table.nccTable );
free( bgInfo.data );
} else {
fprintf( stderr, "could not get info on %s\n", bgFileName );
grGlideShutdown();
exit( -1 );
}
if ( gu3dfGetInfo( triFileName, &triInfo ) ) {
triInfo.data = malloc( triInfo.mem_required );
if ( triInfo.data == 0 ) {
fprintf( stderr, "out of memory for texture file %s\n", triFileName );
grGlideShutdown();
exit( -1 );
}
if ( !gu3dfLoad( triFileName, &triInfo ) ) {
fprintf( stderr, "could not load texture file %s\n", triFileName );
grGlideShutdown();
exit( -1 );
}
triDecal = guTexAllocateMemory( 0, GR_MIPMAPLEVELMASK_BOTH,
triInfo.header.width,
triInfo.header.height,
triInfo.header.format,
GR_MIPMAP_NEAREST,
triInfo.header.small_lod,
triInfo.header.large_lod,
triInfo.header.aspect_ratio,
GR_TEXTURECLAMP_WRAP,
GR_TEXTURECLAMP_WRAP,
GR_TEXTUREFILTER_BILINEAR,
GR_TEXTUREFILTER_BILINEAR,
0.0F,
FXFALSE );
if ( triDecal == GR_NULL_MIPMAP_HANDLE ) {
fprintf( stderr, "could not allocate memory for %s\n", triFileName );
grGlideShutdown();
exit( -1 );
}
guTexDownloadMipMap( triDecal, triInfo.data, &triInfo.table.nccTable );
free( triInfo.data );
} else {
fprintf( stderr, "could not get info on %s\n", triFileName );
grGlideShutdown();
exit( -1 );
}
grTexCombineFunction(GR_TMU0, GR_TEXTURECOMBINE_DECAL);
grRenderBuffer(backbuffer == FXTRUE ? GR_BUFFER_BACKBUFFER : GR_BUFFER_FRONTBUFFER);
/* Set up alpha blend state for compositing and antialiasing */
guAlphaSource( GR_ALPHASOURCE_ITERATED_ALPHA );
grAlphaBlendFunction( GR_BLEND_SRC_ALPHA,
GR_BLEND_ONE_MINUS_SRC_ALPHA, GR_BLEND_ONE,
GR_BLEND_ZERO );
grAlphaTestFunction( GR_CMP_ALWAYS );
while ( 1 ) {
Matrix rotm;
GrVertex xformedVerts[4];
int i;
grSstIdle();
++nTris;
MatMakeYRot( rotm, DEG2RAD( y_angle ) );
for( i = 0; i < 4; i++ ) {
PointMatMult( &xformedVerts[i], &localVerts[i], rotm );
xformedVerts[i].x = xformedVerts[i].x / ( xformedVerts[i].z + 2.0f );
xformedVerts[i].y = xformedVerts[i].y / ( xformedVerts[i].z + 2.0f );
xformedVerts[i].x *= wHeight / 2.0f;
xformedVerts[i].y *= wHeight / 2.0f;
xformedVerts[i].x += wHeight / 2.0f;
xformedVerts[i].y += wHeight / 2.0f;
xformedVerts[i].oow = 1.f / ((xformedVerts[i].z + 2) * wHeight);
xformedVerts[i].tmuvtx[0].sow *= xformedVerts[i].oow;
xformedVerts[i].tmuvtx[0].tow *= xformedVerts[i].oow;
SNAP_COORD( xformedVerts[i].x );
SNAP_COORD( xformedVerts[i].y );
}
if (render == FXTRUE) {
grBufferClear( 0xffffffff, 0, GR_WDEPTHVALUE_FARTHEST );
if (background == FXTRUE) {
GrState
oldState;
grGlideGetState(&oldState);
grAlphaBlendFunction(
GR_BLEND_ONE, GR_BLEND_ZERO,
GR_BLEND_ONE, GR_BLEND_ZERO);
grColorCombine(
GR_COMBINE_FUNCTION_SCALE_OTHER,
GR_COMBINE_FACTOR_ONE,
GR_COMBINE_LOCAL_NONE,
GR_COMBINE_OTHER_TEXTURE, FXFALSE
);
guTexSource(bgDecal);
for (i = 0; i < NTRIS; i++) {
grDrawTriangle(&texVerts[0], &texVerts[1], &texVerts[2]);
grDrawTriangle(&texVerts[2], &texVerts[3], &texVerts[0]);
}
grGlideSetState(&oldState);
}
guTexSource(triDecal);
if (antialias == FXTRUE) {
if (depthBias)
grDepthBiasLevel((short)0x8000);
guColorCombineFunction(GR_COLORCOMBINE_DECAL_TEXTURE);
grAADrawTriangle(
&xformedVerts[0], &xformedVerts[1],
&xformedVerts[2], FXTRUE, FXTRUE, FXTRUE
);
#define SHIFT 20.f;
for (n = 0; n < 3; n++) {
xformedVerts[n].x += SHIFT;
xformedVerts[n].y -= SHIFT;
}
if (depthBias)
grDepthBiasLevel(0x7fff);
guColorCombineFunction(GR_COLORCOMBINE_ITRGB);
grAADrawTriangle(
&xformedVerts[0], &xformedVerts[1],
&xformedVerts[2], FXTRUE, FXTRUE, FXTRUE
);
} else {
if (depthBias)
grDepthBiasLevel((short)0x8000);
guColorCombineFunction(GR_COLORCOMBINE_DECAL_TEXTURE);
grDrawTriangle(
&xformedVerts[0], &xformedVerts[1],
&xformedVerts[2]
);
for (n = 0; n < 3; n++) {
xformedVerts[n].x += SHIFT;
xformedVerts[n].y -= SHIFT;
}
if (depthBias)
grDepthBiasLevel(0x7fff);
guColorCombineFunction(GR_COLORCOMBINE_ITRGB);
grDrawTriangle(
&xformedVerts[0], &xformedVerts[1],
&xformedVerts[2]
);
}
if (backbuffer) {
grBufferSwap( 1 );
}
}
if (kbhit()) {
char c = getch();
switch (c) {
case 'a':
case 'A':
if (antialias == FXFALSE) {
printf("Turning ON Antialiasing\n");
antialias = FXTRUE;
} else {
printf("Turning OFF Antialiasing\n");
antialias = FXFALSE;
}
break;
case 'B':
case 'b':
if (bilinear == FXFALSE) {
bilinear = FXTRUE;
printf("Turning ON BiLinear blending\n");
guTexChangeAttributes(
triDecal, bgInfo.header.width,
bgInfo.header.height,
bgInfo.header.format, GR_MIPMAP_NEAREST,
bgInfo.header.small_lod,
bgInfo.header.large_lod,
bgInfo.header.aspect_ratio,
GR_TEXTURECLAMP_WRAP, GR_TEXTURECLAMP_WRAP,
GR_TEXTUREFILTER_BILINEAR,
GR_TEXTUREFILTER_BILINEAR);
} else {
bilinear = FXFALSE;
printf("Turning OFF BiLinear blending\n");
guTexChangeAttributes(
triDecal, bgInfo.header.width,
bgInfo.header.height,
bgInfo.header.format, GR_MIPMAP_NEAREST,
bgInfo.header.small_lod,
bgInfo.header.large_lod,
bgInfo.header.aspect_ratio,
GR_TEXTURECLAMP_WRAP, GR_TEXTURECLAMP_WRAP,
GR_TEXTUREFILTER_POINT_SAMPLED,
GR_TEXTUREFILTER_POINT_SAMPLED);
}
break;
case 'c':
case 'C':
if (blend == FXTRUE) {
blend = FXFALSE;
localVerts[0].a = 255.0f;
localVerts[1].a = 255.0f;
localVerts[2].a = 255.0f;
localVerts[3].a = 255.0f;
} else {
blend = FXTRUE;
localVerts[0].a = alpha;
localVerts[1].a = alpha;
localVerts[2].a = alpha;
}
break;
case 'd':
case 'D':
if (depthBias == FXTRUE) {
printf("Turning OFF depth bias level\n");
depthBias = FXFALSE;
grDepthBiasLevel(0);
} else {
printf("Turning ON depth bias level\n");
depthBias = FXTRUE;
}
break;
case 'f':
case 'F':
if (backbuffer == FXTRUE) {
backbuffer = FXFALSE;
grRenderBuffer(GR_BUFFER_FRONTBUFFER);
} else {
backbuffer = FXTRUE;
grRenderBuffer(GR_BUFFER_BACKBUFFER);
}
break;
case 'g':
case 'G':
grLfbBegin();
grLfbWriteMode(GR_LFBWRITEMODE_565);
grLfbOrigin(GR_ORIGIN_UPPER_LEFT);
grLfbGetReadPtr(GR_BUFFER_FRONTBUFFER);
printf("Press a key to get front buffer\n");
while (!kbhit());
c = getch();
guFbReadRegion(0,0,(int)wWidth,(int)wHeight,scrnImage,(int)wWidth * sizeof(FxU16));
printf("Press a key to put image in back buffer and swap\n");
while (!kbhit());
getch();
grLfbGetWritePtr(GR_BUFFER_BACKBUFFER);
guFbWriteRegion(0,0,(int)wWidth,(int)wHeight,scrnImage,(int)wWidth * sizeof(FxU16));
grBufferSwap(1);
printf("Press a key to continue...\n");
while (!kbhit());
getch();
grLfbEnd();
break;
case 'h':
case 'H':
case '?':
grSstPassthruMode(GR_PASSTHRU_SHOW_VGA);
printf("Keymap:\n");
printf(" A or a: toggle Antialiasing\n");
printf(" B or b: toggle Bilinear\n");
printf(" D or d: toggle Depth bias level\n");
printf(" F or f: toggle Front buffer \n");
printf(" H, h, or ?: Help\n");
printf(" I or i: toggle background Image\n");
printf(" P or p: Pause rendering\n");
printf(" Q or q: Quit\n");
printf("Press a key to continue...\n");
getch();
grSstPassthruMode(GR_PASSTHRU_SHOW_SST1);
break;
case 'i':
case 'I':
if (background == FXTRUE) {
background = FXFALSE;
printf("Turning off background\n");
} else {
printf("Turning on background\n");
background = FXTRUE;
}
break;
case 'p':
case 'P':
if (render == FXTRUE)
render = FXFALSE;
else
render = FXTRUE;
break;
case 'q':
case 'Q':
grGlideShutdown();
exit(0);
break;
case 'T':
case 't':
if (texturing == FXFALSE) {
printf("Turning ON texturing\n");
ccFnc = GR_COLORCOMBINE_DECAL_TEXTURE;
texturing = FXTRUE;
} else {
printf("Turning OFF texturing\n");
ccFnc = GR_COLORCOMBINE_ITRGB;
texturing = FXFALSE;
}
break;
}
}
if (render) {
y_angle += 2.f;
if( y_angle > 360.0f )
y_angle -= 360.0f;
}
frameCount++;
if(frameCount < 0)
frameCount = 0;
if(numFrames == frameCount)
break;
}
grGlideShutdown();
}
void main( int argc, char **argv) {
char match;
char **remArgs;
int rv;
GrScreenResolution_t resolution = GR_RESOLUTION_640x480;
float scrWidth = 640.0f;
float scrHeight = 480.0f;
int frames = -1;
TlTexture baseTexture;
unsigned long baseTextureAddr;
TlTexture lightTexture;
unsigned long lightTextureAddr;
GrFog_t fogtable[GR_FOG_TABLE_SIZE];
TlVertex3D srcVerts[4];
float distance, dDelta;
/* Process Command Line Arguments */
while( rv = tlGetOpt( argc, argv, "nr", &match, &remArgs ) ) {
if ( rv == -1 ) {
printf( "Unrecognized command line argument\n" );
printf( "%s %s\n", name, usage );
printf( "Available resolutions:\n%s\n",
tlGetResolutionList() );
return;
}
switch( match ) {
case 'n':
frames = atoi( remArgs[0] );
break;
case 'r':
resolution = tlGetResolutionConstant( remArgs[0],
&scrWidth,
&scrHeight );
break;
}
}
tlSetScreen( scrWidth, scrHeight );
grGlideGetVersion( version );
printf( "%s:\n%s\n", name, purpose );
printf( "%s\n", version );
printf( "Resolution: %s\n", tlGetResolutionString( resolution ) );
if ( frames == -1 ) {
printf( "Press A Key To Begin Test.\n" );
tlGetCH();
}
/* Initialize Glide */
grGlideInit();
assert( grSstQueryHardware( &hwconfig ) );
grSstSelect( 0 );
assert( grSstWinOpen( 0,
resolution,
GR_REFRESH_60Hz,
GR_COLORFORMAT_ABGR,
GR_ORIGIN_LOWER_LEFT,
2, 1 ) );
tlConSet( 0.0f, 0.0f, 1.0f, 0.5f,
60, 15, 0xffffff );
/* Set up Render State - decal - bilinear - nearest mipmapping - fogging */
grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER,
GR_COMBINE_FACTOR_ONE,
GR_COMBINE_LOCAL_NONE,
GR_COMBINE_OTHER_TEXTURE,
FXFALSE );
grTexMipMapMode( GR_TMU0,
GR_MIPMAP_NEAREST,
FXFALSE );
grTexFilterMode( GR_TMU0,
GR_TEXTUREFILTER_BILINEAR,
GR_TEXTUREFILTER_BILINEAR );
grFogColorValue( 0x404040 );
guFogGenerateExp( fogtable, .2f );
grFogTable( fogtable );
/* Load texture data into system ram */
assert( tlLoadTexture( "decal1.3df",
&baseTexture.info,
&baseTexture.tableType,
&baseTexture.tableData ) );
assert( tlLoadTexture( "light.3df",
&lightTexture.info,
&lightTexture.tableType,
&lightTexture.tableData ) );
/* Download texture data to TMU */
baseTextureAddr = grTexMinAddress( GR_TMU0 );
grTexDownloadMipMap( GR_TMU0,
baseTextureAddr,
GR_MIPMAPLEVELMASK_BOTH,
&baseTexture.info );
if ( baseTexture.tableType != NO_TABLE ) {
grTexDownloadTable( GR_TMU0,
baseTexture.tableType,
&baseTexture.tableData );
}
lightTextureAddr =
baseTextureAddr +
grTexTextureMemRequired( GR_MIPMAPLEVELMASK_BOTH,
&baseTexture.info );
grTexDownloadMipMap( GR_TMU0,
lightTextureAddr,
GR_MIPMAPLEVELMASK_BOTH,
&lightTexture.info );
if ( lightTexture.tableType != NO_TABLE ) {
grTexDownloadTable( GR_TMU0,
lightTexture.tableType,
&lightTexture.tableData );
}
/* Initialize Source 3D data - Rectangle on X/Z Plane
Centered about Y Axis
0--1 Z+
| | |
2--3 - X+
*/
srcVerts[0].x = -0.5f, srcVerts[0].y = 0.0f, srcVerts[0].z = 0.5f, srcVerts[0].w = 1.0f;
srcVerts[1].x = 0.5f, srcVerts[1].y = 0.0f, srcVerts[1].z = 0.5f, srcVerts[1].w = 1.0f;
srcVerts[2].x = -0.5f, srcVerts[2].y = 0.0f, srcVerts[2].z = -0.5f, srcVerts[2].w = 1.0f;
srcVerts[3].x = 0.5f, srcVerts[3].y = 0.0f, srcVerts[3].z = -0.5f, srcVerts[3].w = 1.0f;
srcVerts[0].s = 0.0f, srcVerts[0].t = 0.0f;
srcVerts[1].s = 1.0f, srcVerts[1].t = 0.0f;
srcVerts[2].s = 0.0f, srcVerts[2].t = 1.0f;
srcVerts[3].s = 1.0f, srcVerts[3].t = 1.0f;
#define RED 0x000000ff
#define BLUE 0x00ff0000
#define MAX_DIST 10.0f
#define MIN_DIST 1.0f
distance = 1.0f;
dDelta = 0.05f;
tlConOutput( "Press any key to quit\n\n" );
while( frames-- && tlOkToRender()) {
GrVertex vtxA, vtxB, vtxC, vtxD;
TlVertex3D xfVerts[4];
TlVertex3D prjVerts[4];
if (hwconfig.SSTs[0].type == GR_SSTTYPE_SST96) {
tlGetDimsByConst(resolution,
&scrWidth,
&scrHeight );
grClipWindow(0, 0, (FxU32) scrWidth, (FxU32) scrHeight);
}
grBufferClear( 0x00404040, 0, GR_ZDEPTHVALUE_FARTHEST );
/* 3D Transformations */
/*----
A-B
|\|
C-D
-----*/
vtxA.oow = 1.0f;
vtxB = vtxC = vtxD = vtxA;
distance += dDelta;
if ( distance > MAX_DIST ||
distance < MIN_DIST ) {
dDelta *= -1.0f;
distance += dDelta;
}
tlSetMatrix( tlIdentity() );
tlMultMatrix( tlXRotation( -90.0f ) );
tlMultMatrix( tlTranslation( 0.0f, 0.0f, distance ) );
tlTransformVertices( xfVerts, srcVerts, 4 );
tlProjectVertices( prjVerts, xfVerts, 4 );
vtxA.x = tlScaleX( prjVerts[0].x );
vtxA.y = tlScaleY( prjVerts[0].y );
vtxA.oow = 1.0f / prjVerts[0].w;
vtxB.x = tlScaleX( prjVerts[1].x );
vtxB.y = tlScaleY( prjVerts[1].y );
vtxB.oow = 1.0f / prjVerts[1].w;
vtxC.x = tlScaleX( prjVerts[2].x );
vtxC.y = tlScaleY( prjVerts[2].y );
vtxC.oow = 1.0f / prjVerts[2].w;
vtxD.x = tlScaleX( prjVerts[3].x );
vtxD.y = tlScaleY( prjVerts[3].y );
vtxD.oow = 1.0f / prjVerts[3].w;
vtxA.tmuvtx[0].sow = prjVerts[0].s * 255.0f * vtxA.oow;
vtxA.tmuvtx[0].tow = prjVerts[0].t * 255.0f * vtxA.oow;
vtxB.tmuvtx[0].sow = prjVerts[1].s * 255.0f * vtxB.oow;
vtxB.tmuvtx[0].tow = prjVerts[1].t * 255.0f * vtxB.oow;
vtxC.tmuvtx[0].sow = prjVerts[2].s * 255.0f * vtxC.oow;
vtxC.tmuvtx[0].tow = prjVerts[2].t * 255.0f * vtxC.oow;
vtxD.tmuvtx[0].sow = prjVerts[3].s * 255.0f * vtxD.oow;
vtxD.tmuvtx[0].tow = prjVerts[3].t * 255.0f * vtxD.oow;
/* Render First Pass */
grTexCombine( GR_TMU0,
GR_COMBINE_FUNCTION_LOCAL,
GR_COMBINE_FACTOR_NONE,
GR_COMBINE_FUNCTION_LOCAL,
GR_COMBINE_FACTOR_NONE,
FXFALSE,
FXFALSE );
grAlphaBlendFunction( GR_BLEND_ONE, GR_BLEND_ZERO,
GR_BLEND_ONE, GR_BLEND_ZERO );
grTexSource( GR_TMU0,
baseTextureAddr,
GR_MIPMAPLEVELMASK_BOTH,
&baseTexture.info );
grFogMode( GR_FOG_ADD2 | GR_FOG_WITH_TABLE );
grDrawTriangle( &vtxA, &vtxB, &vtxD );
grDrawTriangle( &vtxA, &vtxD, &vtxC );
/* Render Second Pass */
grAlphaBlendFunction( GR_BLEND_ONE, GR_BLEND_PREFOG_COLOR,
GR_BLEND_ZERO, GR_BLEND_ZERO );
grTexSource( GR_TMU0,
lightTextureAddr,
GR_MIPMAPLEVELMASK_BOTH,
&lightTexture.info );
grFogMode( GR_FOG_MULT2 | GR_FOG_WITH_TABLE );
grDrawTriangle( &vtxA, &vtxB, &vtxD );
grDrawTriangle( &vtxA, &vtxD, &vtxC );
tlConRender();
grBufferSwap( 1 );
grSstIdle();
while( tlKbHit() ) {
switch( tlGetCH() ) {
default:
frames = 0;
break;
}
}
}
grGlideShutdown();
return;
}
