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;
float
minColor = 10.f, /* Vertex min color */
maxColor = 245.f; /* Vertex max color */
GrVertex
localVerts[VERT_COUNT], /* Vertices in world coordinates */
texVerts[4]; /* Texture vertices for background */
float
alpha = 192.0f, /* Alpha for blending tringle over background */
y_angle = 0.0f; /* rotation amount */
int
firstTime; /* Used for performance calculations */
FxBool
plugging = FXFALSE, /* Show shameless plug */
printPerf = FXFALSE, /* Print performance numbers */
lines = FXFALSE, /* Draw lines instead of triangles */
blend = FXFALSE, /* Blend the triangle over the background */
texturing = FXFALSE, /* Texture the tiangle */
antialias = FXTRUE, /* Antialias the triangle? */
bilinear = FXTRUE, /* Perform bilinear filtering on the texture? */
render = FXTRUE, /* Draw? */
backbuffer = FXTRUE, /* Draw to backbuffer? */
background = FXTRUE; /* Draw background? */
GrOriginLocation_t
origin = GR_ORIGIN_LOWER_LEFT; /* Origin */
FxU32
swapDelay = 1, /* Arg to grBufferSwap */
trisDrawn, /* # triangles drawn */
trisProcessed, /* # triangles through pipeline */
lastFrame, /* Number of last frame we did perf stats */
frameNum = 0L; /* id of each frame drawn */
GrCullMode_t
cullMode = GR_CULL_DISABLE; /* backface culling */
FxU32 startAddress = 0, bgDecalAddress = 0, triDecalAddress = 0;
GrTexInfo
triDecal, /* Triangle decal texture */
bgDecal; /* Background decal texture */
Gu3dfInfo
bgInfo, /* Info on background texture */
triInfo; /* Info on triangle texture */
GrColorCombineFnc_t
ccFnc = GR_COLORCOMBINE_ITRGB; /* Start of w/ Gouraud shading */
char
*bgFileName = NULL, /* Name of background texture file */
*triFileName = NULL; /* Name of triangle texture file */
int
frameCount = 0;
FxU32 wrange[2];
FxI32 state_size;
void *oldState;
/* Initialize Glide */
grGlideInit();
assert( hwconfig = tlVoodooType() );
/* Process Command Line Arguments */
while( rv = tlGetOpt( argc, argv, "nrbtea", &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;
case 'b':
bgFileName = strdup( remArgs[0] );
break;
case 't':
triFileName = strdup( remArgs[0] );
break;
case 'a':
alpha = (float)atof( remArgs[0] );
break;
}
}
tlSetScreen( scrWidth, scrHeight );
version = grGetString( GR_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();
}
grSstSelect( 0 );
assert( grSstWinOpen(tlGethWnd(),
resolution,
GR_REFRESH_60Hz,
GR_COLORFORMAT_ABGR,
origin,
2, 1 ) );
grVertexLayout(GR_PARAM_XY, GR_VERTEX_X_OFFSET << 2, GR_PARAM_ENABLE);
grVertexLayout(GR_PARAM_RGB, GR_VERTEX_R_OFFSET << 2, GR_PARAM_ENABLE);
grVertexLayout(GR_PARAM_A, GR_VERTEX_A_OFFSET << 2, GR_PARAM_ENABLE);
grGet(GR_WDEPTH_MIN_MAX, 8, wrange);
grGet(GR_GLIDE_STATE_SIZE, 4, &state_size);
oldState = malloc(state_size);
tlConSet( 0.0f, 0.0f, 1.0f, 1.0f,
80, 40, 0xffffff );
if(frames == -1) {
doHelp();
}
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 = scrWidth;
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 = scrWidth;
texVerts[2].y = scrHeight;
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 = scrHeight;
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";
/* Read in background texture file */
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.smallLodLog2 = bgInfo.header.small_lod;
bgDecal.largeLodLog2 = bgInfo.header.large_lod;
bgDecal.aspectRatioLog2 = bgInfo.header.aspect_ratio;
bgDecal.data = bgInfo.data;
bgDecal.format = bgInfo.header.format;
grTexDownloadMipMap( GR_TMU0, startAddress, GR_MIPMAPLEVELMASK_BOTH, &bgDecal);
grTexMipMapMode(GR_TMU0, GR_MIPMAP_NEAREST, FXTRUE);
grTexClampMode( GR_TMU0, GR_TEXTURECLAMP_WRAP, GR_TEXTURECLAMP_WRAP);
grTexFilterMode( GR_TMU0, GR_TEXTUREFILTER_BILINEAR, GR_TEXTUREFILTER_BILINEAR );
bgDecalAddress = startAddress;
startAddress += grTexCalcMemRequired ( bgDecal.smallLodLog2, bgDecal.largeLodLog2,
bgDecal.aspectRatioLog2, bgDecal.format );
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.smallLodLog2 = triInfo.header.small_lod;
triDecal.largeLodLog2 = triInfo.header.large_lod;
triDecal.aspectRatioLog2 = triInfo.header.aspect_ratio;
triDecal.data = triInfo.data;
triDecal.format = triInfo.header.format;
grTexDownloadMipMap( GR_TMU0, startAddress, GR_MIPMAPLEVELMASK_BOTH, &triDecal);
grTexMipMapMode(GR_TMU0, GR_MIPMAP_NEAREST, FXTRUE);
grTexClampMode( GR_TMU0, GR_TEXTURECLAMP_WRAP, GR_TEXTURECLAMP_WRAP);
grTexFilterMode( GR_TMU0, GR_TEXTUREFILTER_BILINEAR, GR_TEXTUREFILTER_BILINEAR );
triDecalAddress = startAddress;
free( triInfo.data );
} else {
fprintf( stderr, "could not get info on %s\n", triFileName );
grGlideShutdown();
exit( -1 );
}
grTexCombine( GR_TMU0, GR_COMBINE_FUNCTION_LOCAL, GR_COMBINE_FACTOR_NONE,
GR_COMBINE_FUNCTION_LOCAL, GR_COMBINE_FACTOR_NONE, FXFALSE, FXFALSE );
grRenderBuffer(backbuffer == FXTRUE ? GR_BUFFER_BACKBUFFER : GR_BUFFER_FRONTBUFFER);
/* Set up alpha blending for AA and compositing... */
grAlphaCombine( GR_COMBINE_FUNCTION_LOCAL,
GR_COMBINE_FACTOR_NONE,
GR_COMBINE_LOCAL_ITERATED,
GR_COMBINE_OTHER_NONE,
FXFALSE );
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[VERT_COUNT];
int i;
MatMakeYRot( rotm, DEG2RAD( y_angle ) );
if (resolution == GR_RESOLUTION_NONE)
tlGetResolutionConstant("0",
&scrWidth,
&scrHeight );
for( i = 0; i < VERT_COUNT; 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 *= scrWidth / 2.0f;
xformedVerts[i].y *= scrHeight / 2.0f;
xformedVerts[i].x += scrWidth / 2.0f;
xformedVerts[i].y += scrHeight / 2.0f;
xformedVerts[i].oow = 1.f / ((xformedVerts[i].z + 2) * scrHeight);
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 );
}
switch ( ccFnc )
{
case GR_COLORCOMBINE_ITRGB:
grColorCombine( GR_COMBINE_FUNCTION_LOCAL, GR_COMBINE_FACTOR_NONE, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_NONE, FXFALSE );
break;
case GR_COLORCOMBINE_DECAL_TEXTURE:
grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_ONE, GR_COMBINE_LOCAL_NONE, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
break;
case GR_COLORCOMBINE_TEXTURE_TIMES_ITRGB:
grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_LOCAL, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
break;
}
/* grLfbBypassMode(GR_LFBBYPASS_ENABLE); */
if (render == FXTRUE) {
++frameNum;
if ((frameNum % NFRAMES) == 0) {
if (printPerf) {
if (!firstTime) {
GrSstPerfStats_t
pStats;
FxU32
lfbWritePixels,
nFrames = frameNum - lastFrame,
fillPixels = nFrames * screenFulls[resolution],
totFail;
lastFrame = frameNum;
grGet(GR_STATS_PIXELS_IN, 4, &pStats.pixelsIn);
grGet(GR_STATS_PIXELS_CHROMA_FAIL, 4, &pStats.chromaFail);
grGet(GR_STATS_PIXELS_DEPTHFUNC_FAIL, 4, &pStats.zFuncFail);
grGet(GR_STATS_PIXELS_AFUNC_FAIL, 4, &pStats.aFuncFail);
grGet(GR_STATS_PIXELS_OUT, 4, &pStats.pixelsOut);
grGet(GR_STATS_TRIANGLES_IN, 4, &trisProcessed);
grGet(GR_STATS_TRIANGLES_OUT, 4, &trisDrawn);
totFail = pStats.chromaFail + pStats.zFuncFail +
pStats.aFuncFail;
lfbWritePixels = pStats.pixelsOut - pStats.pixelsIn - fillPixels;
tlConOutput("In the last %d frames:\n", nFrames);
tlConOutput(" Pixels Processed: %d\n",
pStats.pixelsIn);
tlConOutput(" Chroma Failures: %d\n",
pStats.chromaFail);
tlConOutput(" Z Compare Failures: %d\n",
pStats.zFuncFail);
tlConOutput(" Alpha Compare Failures: %d\n",
pStats.aFuncFail);
tlConOutput(" Fast Fill Pixels: %d\n",
fillPixels);
tlConOutput(" LFB Write Pixels: %d\n",
lfbWritePixels);
tlConOutput(" Total Pixels Drawn: %d\n",
pStats.pixelsOut);
tlConOutput(" Triangles Processed %d\n",
trisProcessed);
tlConOutput(" Triangles Drawn %d\n",
trisDrawn);
if (
(pStats.pixelsOut - lfbWritePixels - fillPixels - pStats.pixelsIn) != totFail)
tlConOutput("Error: %d != %d\n",
pStats.pixelsOut - lfbWritePixels - fillPixels,
totFail);
grReset(GR_STATS_PIXELS);
} else {
lastFrame = frameNum;
grReset(GR_STATS_PIXELS);
firstTime = 0;
}
}
}
grBufferClear( 0xffffffff, 0, (FxU16)wrange[1] );
if (background == FXTRUE) {
texVerts[0].x = 0.f;
texVerts[0].y = 0.f;
texVerts[1].x = scrWidth;
texVerts[1].y = 0.f;
texVerts[1].x = scrWidth;
texVerts[1].y = 0.f;
texVerts[2].x = scrWidth;
texVerts[2].y = scrHeight;
texVerts[3].x = 0.f;
texVerts[3].y = scrHeight;
grGlideGetState(oldState);
grVertexLayout(GR_PARAM_Q, GR_VERTEX_OOW_OFFSET << 2, GR_PARAM_ENABLE);
grVertexLayout(GR_PARAM_ST0, GR_VERTEX_SOW_TMU0_OFFSET << 2, GR_PARAM_ENABLE);
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
);
grTexSource( GR_TMU0, bgDecalAddress, GR_MIPMAPLEVELMASK_BOTH, &bgDecal );
for (i = 0; i < NTRIS; i++) {
grDrawTriangle(&texVerts[0], &texVerts[1], &texVerts[2]);
grDrawTriangle(&texVerts[2], &texVerts[3], &texVerts[0]);
}
grGlideSetState(oldState);
grClipWindow(0, 0, (FxU32) scrWidth, (FxU32) scrHeight);
}
if (texturing == FXTRUE)
grTexSource( GR_TMU0, bgDecalAddress, GR_MIPMAPLEVELMASK_BOTH, &bgDecal );
if (texturing)
grTexSource( GR_TMU0, triDecalAddress, GR_MIPMAPLEVELMASK_BOTH, &triDecal );
if (antialias == FXTRUE) {
grEnable(GR_AA_ORDERED);
if (lines == FXTRUE) {
grDrawLine(&xformedVerts[0], &xformedVerts[1]);
grDrawLine(&xformedVerts[1], &xformedVerts[2]);
grDrawLine(&xformedVerts[2], &xformedVerts[0]);
} else {
grAADrawTriangle(
&xformedVerts[0], &xformedVerts[1],
&xformedVerts[2], FXTRUE, FXTRUE, FXTRUE
);
}
} else {
grDisable(GR_AA_ORDERED);
if (lines == FXTRUE) {
grDrawLine(&xformedVerts[0], &xformedVerts[1]);
grDrawLine(&xformedVerts[1], &xformedVerts[2]);
grDrawLine(&xformedVerts[2], &xformedVerts[0]);
} else {
grDrawTriangle(
&xformedVerts[0], &xformedVerts[1],
&xformedVerts[2]
);
}
}
if (plugging)
grSplash(0.f, 0.f, scrWidth / 5.f, scrHeight / 5.f, frameNum);
if (backbuffer) {
tlConRender();
grBufferSwap( swapDelay );
}
}
if (tlKbHit()) {
char c = (char) tlGetCH();
switch (c) {
case 'a':
case 'A':
if (antialias == FXFALSE) {
tlConOutput("Turning ON Antialiasing\n");
antialias = FXTRUE;
} else {
tlConOutput("Turning OFF Antialiasing\n");
antialias = FXFALSE;
}
break;
case 'B':
case 'b':
if (bilinear == FXFALSE) {
bilinear = FXTRUE;
tlConOutput("Turning ON BiLinear blending\n");
grTexFilterMode ( GR_TMU0, GR_TEXTUREFILTER_BILINEAR, GR_TEXTUREFILTER_BILINEAR );
} else {
bilinear = FXFALSE;
tlConOutput("Turning OFF BiLinear blending\n");
grTexFilterMode ( GR_TMU0, GR_TEXTUREFILTER_POINT_SAMPLED,
GR_TEXTUREFILTER_POINT_SAMPLED );
}
break;
case 'c':
case 'C':
if (blend == FXTRUE) {
int i;
blend = FXFALSE;
for(i=0;i<VERT_COUNT;i++) localVerts[i].a = 255.0f;
} else {
int i;
blend = FXTRUE;
for(i=0;i<VERT_COUNT;i++) localVerts[i].a = alpha;
}
break;
case 'd':
case 'D':
tlConOutput("vtxa = (%.2f, %.2f), vtxb = (%.2f, %.2f), vtxc = (%.2f, %.2f)\n",
xformedVerts[0].x, xformedVerts[0].y,
xformedVerts[1].x, xformedVerts[1].y,
xformedVerts[2].x, xformedVerts[2].y
);
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':
#if 0
grLfbBegin();
grLfbWriteMode(GR_LFBWRITEMODE_565);
grLfbOrigin(GR_ORIGIN_UPPER_LEFT);
grLfbGetReadPtr(GR_BUFFER_FRONTBUFFER);
tlConOutput("Press a key to get front buffer\n");
while (!tlKbHit());
c = (char) tlGetCH();
guFbReadRegion(0,0,(int)wWidth,(int)scrHeight,scrnImage,(int)wWidth * sizeof(FxU16));
tlConOutput("Press a key to put image in back buffer and swap\n");
while (!tlKbHit());
tlGetCH();
grLfbGetWritePtr(GR_BUFFER_BACKBUFFER);
guFbWriteRegion(0,0,(int)wWidth,(int)scrHeight,scrnImage,(int)wWidth * sizeof(FxU16));
grBufferSwap(swapDelay);
tlConOutput("Press a key to continue...\n");
while (!tlKbHit());
tlGetCH();
grLfbEnd();
#endif
break;
case 'h':
case 'H':
case '?':
doHelp();
break;
case 'i':
case 'I':
if (background == FXTRUE) {
background = FXFALSE;
tlConOutput("Turning off background\n");
} else {
tlConOutput("Turning on background\n");
background = FXTRUE;
}
break;
case 'l':
case 'L':
if (lines == FXTRUE) {
lines = FXFALSE;
tlConOutput("Turning OFF lines\n");
} else {
lines = FXTRUE;
tlConOutput("Turning ON lines\n");
}
break;
case 'm':
case 'M':
ccFnc = GR_COLORCOMBINE_TEXTURE_TIMES_ITRGB;
break;
case 'n':
case 'N':
if (printPerf == FXFALSE) {
printPerf = FXTRUE;
firstTime = 1;
grReset(GR_STATS_PIXELS);
grReset(GR_STATS_TRIANGLES);
} else {
printPerf= FXFALSE;
}
break;
case 'o':
case 'O':
if (origin == GR_ORIGIN_LOWER_LEFT)
origin = GR_ORIGIN_UPPER_LEFT;
else
origin = GR_ORIGIN_LOWER_LEFT;
grSstOrigin(origin);
break;
case 'p':
case 'P':
if (render == FXTRUE)
render = FXFALSE;
else
render = FXTRUE;
break;
case 'q':
case 'Q':
case 27:
grGlideShutdown();
exit(0);
break;
case 'r':
case 'R':
tlConOutput("Screen Resolution is %s\n", tlGetResolutionString( resolution ) );
break;
case 'S':
case 's':
if (cullMode == GR_CULL_DISABLE) {
cullMode = GR_CULL_NEGATIVE;
tlConOutput("Turning ON backface culling (hidden Surface removal)\n");
} else {
cullMode = GR_CULL_DISABLE;
tlConOutput("Turning OFF backface culling (hidden Surface removal)\n");
}
grCullMode(cullMode);
break;
case 'T':
case 't':
if (texturing == FXFALSE) {
tlConOutput("Turning ON texturing\n");
ccFnc = GR_COLORCOMBINE_DECAL_TEXTURE;
texturing = FXTRUE;
grVertexLayout(GR_PARAM_Q, GR_VERTEX_OOW_OFFSET << 2, GR_PARAM_ENABLE);
grVertexLayout(GR_PARAM_ST0, GR_VERTEX_SOW_TMU0_OFFSET << 2, GR_PARAM_ENABLE);
} else {
tlConOutput("Turning OFF texturing\n");
ccFnc = GR_COLORCOMBINE_ITRGB;
texturing = FXFALSE;
grVertexLayout(GR_PARAM_Q, GR_VERTEX_OOW_OFFSET << 2, GR_PARAM_DISABLE);
grVertexLayout(GR_PARAM_ST0, GR_VERTEX_SOW_TMU0_OFFSET << 2, GR_PARAM_DISABLE);
}
break;
case 'u':
case 'U':
if (plugging == FXTRUE) {
plugging = FXFALSE;
grDisable(GR_SHAMELESS_PLUG);
}
else {
plugging = FXTRUE;
grEnable(GR_SHAMELESS_PLUG);
}
break;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '0':
{
char str[256];
swapDelay = (int) c - 0x30;
sprintf(str, "Swapdelay = %d\n", swapDelay);
tlConOutput(str);
}
break;
}
}
if (render) {
y_angle += 2.f;
if( y_angle > 360.0f )
y_angle -= 360.0f;
}
frameCount++;
if(frameCount < 0)
frameCount = 0;
if(frames == frameCount)
break;
}
grGlideShutdown();
}
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();
}
static int SetupFBtoScreenCombiner(uint32_t texture_size, uint32_t opaque)
{
int tmu, filter;
if (voodoo.tmem_ptr[GR_TMU0]+texture_size < voodoo.tex_max_addr)
{
tmu = GR_TMU0;
grTexCombine( GR_TMU1,
GR_COMBINE_FUNCTION_NONE,
GR_COMBINE_FACTOR_NONE,
GR_COMBINE_FUNCTION_NONE,
GR_COMBINE_FACTOR_NONE,
FXFALSE,
FXFALSE );
grTexCombine( GR_TMU0,
GR_COMBINE_FUNCTION_LOCAL,
GR_COMBINE_FACTOR_NONE,
GR_COMBINE_FUNCTION_LOCAL,
GR_COMBINE_FACTOR_NONE,
FXFALSE,
FXFALSE );
}
else
{
if (voodoo.tmem_ptr[GR_TMU1]+texture_size >= voodoo.tex_max_addr)
ClearCache ();
tmu = GR_TMU1;
grTexCombine( GR_TMU1,
GR_COMBINE_FUNCTION_LOCAL,
GR_COMBINE_FACTOR_NONE,
GR_COMBINE_FUNCTION_LOCAL,
GR_COMBINE_FACTOR_NONE,
FXFALSE,
FXFALSE );
grTexCombine( GR_TMU0,
GR_COMBINE_FUNCTION_SCALE_OTHER,
GR_COMBINE_FACTOR_ONE,
GR_COMBINE_FUNCTION_SCALE_OTHER,
GR_COMBINE_FACTOR_ONE,
FXFALSE,
FXFALSE );
}
filter = (rdp.filter_mode != 2) ? GR_TEXTUREFILTER_POINT_SAMPLED : GR_TEXTUREFILTER_BILINEAR;
grTexFilterClampMode (tmu,
GR_TEXTURECLAMP_CLAMP,
GR_TEXTURECLAMP_CLAMP,
filter,
filter);
grColorCombine (GR_COMBINE_FUNCTION_SCALE_OTHER,
GR_COMBINE_FACTOR_ONE,
GR_COMBINE_LOCAL_NONE,
GR_COMBINE_OTHER_TEXTURE,
// GR_COMBINE_OTHER_CONSTANT,
FXFALSE);
grAlphaCombine (GR_COMBINE_FUNCTION_SCALE_OTHER,
GR_COMBINE_FACTOR_ONE,
GR_COMBINE_LOCAL_NONE,
GR_COMBINE_OTHER_TEXTURE,
FXFALSE);
if (opaque)
{
grAlphaTestFunction (GR_CMP_ALWAYS, 0x00, 0);
grAlphaBlendFunction( GR_BLEND_ONE,
GR_BLEND_ZERO,
GR_BLEND_ONE,
GR_BLEND_ZERO);
}
else
{
grAlphaBlendFunction( GR_BLEND_SRC_ALPHA,
GR_BLEND_ONE_MINUS_SRC_ALPHA,
GR_BLEND_ONE,
GR_BLEND_ZERO);
}
grDepthBufferFunction (GR_CMP_ALWAYS);
grCullMode(GR_CULL_DISABLE);
grDepthMask (FXFALSE);
rdp.update |= UPDATE_COMBINE | UPDATE_ZBUF_ENABLED | UPDATE_CULL_MODE;
return tmu;
}