307 lines
9.5 KiB
C
307 lines
9.5 KiB
C
/*
|
|
** Insert new header here
|
|
**
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#ifndef __linux__
|
|
#include <conio.h>
|
|
#else
|
|
#include <linutil.h>
|
|
#endif
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
|
|
#include <glide.h>
|
|
#include "tlib.h"
|
|
|
|
typedef struct
|
|
{
|
|
float x, y; /* X and Y in screen space */
|
|
float ooz; /* 65535/Z (used for Z-buffering) */
|
|
float oow; /* 1/W (used for W-buffering, texturing) */
|
|
float r, g, b, a; /* R, G, B, A [0..255.0] */
|
|
float z; /* Z is ignored */
|
|
GrTmuVertex tmuvtx[GLIDE_NUM_TMU];
|
|
float fog; /* fog coordinate */
|
|
} FogVertex;
|
|
|
|
int hwconfig;
|
|
static const char *version;
|
|
static const char *extension;
|
|
|
|
static const char name[] = "test34";
|
|
static const char purpose[] = "fogging with table/fogcoord";
|
|
static const char usage[] = "-n <frames> -r <res> -d <filename>";
|
|
|
|
int 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;
|
|
FxBool scrgrab = FXFALSE;
|
|
char filename[256];
|
|
FxI32 ftsize = 0;
|
|
GrFog_t *fogtable = NULL;
|
|
|
|
TlTexture baseTexture;
|
|
unsigned long baseTextureAddr;
|
|
FogVertex vtxA, vtxB, vtxC, vtxD;
|
|
TlVertex3D srcVerts[4];
|
|
TlVertex3D xfVerts[4];
|
|
TlVertex3D prjVerts[4];
|
|
FxBool fogCoord = FXFALSE, fogext = FXFALSE;
|
|
char *extstr;
|
|
float dist = 0.f;
|
|
float delta = 0.5f;
|
|
|
|
/* Initialize Glide */
|
|
grGlideInit();
|
|
assert( hwconfig = tlVoodooType() );
|
|
|
|
/* Process Command Line Arguments */
|
|
while((rv = tlGetOpt(argc, argv, "nrd", &match, &remArgs)) != 0) {
|
|
if ( rv == -1 ) {
|
|
printf( "Unrecognized command line argument\n" );
|
|
printf( "%s %s\n", name, usage );
|
|
printf( "Available resolutions:\n%s\n",
|
|
tlGetResolutionList() );
|
|
return -1;
|
|
}
|
|
switch( match ) {
|
|
case 'n':
|
|
frames = atoi( remArgs[0] );
|
|
break;
|
|
case 'r':
|
|
resolution = tlGetResolutionConstant( remArgs[0],
|
|
&scrWidth,
|
|
&scrHeight );
|
|
break;
|
|
case 'd':
|
|
scrgrab = FXTRUE;
|
|
frames = 1;
|
|
strcpy(filename, 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,
|
|
GR_ORIGIN_UPPER_LEFT,
|
|
2, 1 ) );
|
|
|
|
tlConSet( 0.0f, 0.0f, 1.0f, 1.0f,
|
|
60, 30, 0xffffff );
|
|
|
|
/* Set up Render State - gouraud shading + fog */
|
|
|
|
extension = grGetString(GR_EXTENSION);
|
|
extstr = strstr(extension, "FOGCOORD");
|
|
if (!extstr) {
|
|
printf( "FOGCOORD is not supported in %s\n", grGetString(GR_HARDWARE) );
|
|
grGlideShutdown();
|
|
return -1;
|
|
}
|
|
if (!strncmp(extstr, "FOGCOORD", 8)) {
|
|
fogext = FXTRUE;
|
|
}
|
|
|
|
grGet(GR_FOG_TABLE_ENTRIES, 4, &ftsize);
|
|
fogtable = malloc(sizeof(GrFog_t)*ftsize);
|
|
assert(fogtable);
|
|
|
|
grVertexLayout(GR_PARAM_XY, GR_VERTEX_X_OFFSET << 2, GR_PARAM_ENABLE);
|
|
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);
|
|
|
|
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( 0xff00ff00 );
|
|
guFogGenerateExp( fogtable, .01f );
|
|
grFogTable( fogtable );
|
|
|
|
assert( tlLoadTexture( "miro.3df",
|
|
&baseTexture.info,
|
|
&baseTexture.tableType,
|
|
&baseTexture.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( baseTexture.tableType,
|
|
&baseTexture.tableData );
|
|
}
|
|
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 );
|
|
grTexClampMode( GR_TMU0, GR_TEXTURECLAMP_WRAP, GR_TEXTURECLAMP_WRAP);
|
|
|
|
tlConOutput( "Press a key to quit\n" );
|
|
tlConOutput( "Press F to toggle fog mode\n" );
|
|
while( frames-- && tlOkToRender()) {
|
|
if (fogCoord && fogext) {
|
|
grFogMode( GR_FOG_WITH_TABLE_ON_FOGCOORD_EXT );
|
|
grVertexLayout(GR_PARAM_FOG_EXT, sizeof(GrVertex), GR_PARAM_ENABLE);
|
|
tlConOutput( "GR_FOG_WITH_TABLE_ON_FOGCOORD\r" );
|
|
}
|
|
else {
|
|
grFogMode( GR_FOG_WITH_TABLE_ON_W );
|
|
grVertexLayout(GR_PARAM_FOG_EXT, sizeof(GrVertex), GR_PARAM_DISABLE);
|
|
if (fogCoord && !fogext)
|
|
tlConOutput( "FOG_COORD IS NOT SUPPORTED \r");
|
|
else
|
|
tlConOutput( "GR_FOG_WITH_TABLE_ON_W \r" );
|
|
}
|
|
|
|
{
|
|
srcVerts[0].x = -10.0f, srcVerts[0].y = 0.0f, srcVerts[0].z = 200.0f, srcVerts[0].w = 1.0f;
|
|
srcVerts[1].x = 10.0f, srcVerts[1].y = 0.0f, srcVerts[1].z = 200.0f, srcVerts[1].w = 1.0f;
|
|
srcVerts[2].x = -10.0f, srcVerts[2].y = 0.0f, srcVerts[2].z = -40.0f, srcVerts[2].w = 1.0f;
|
|
srcVerts[3].x = 10.0f, srcVerts[3].y = 0.0f, srcVerts[3].z = -40.0f, 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;
|
|
|
|
tlSetMatrix( tlIdentity() );
|
|
|
|
tlMultMatrix( tlXRotation( 15.f ) );
|
|
|
|
if (dist <= 0.f)
|
|
delta = 0.5f;
|
|
if (dist >= 30.f)
|
|
delta = -0.5f;
|
|
dist += delta;
|
|
|
|
tlMultMatrix( tlTranslation( 0.0f, 0.0f, 50.f + dist ) );
|
|
|
|
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;
|
|
vtxA.fog = 1.f / 30.f;
|
|
|
|
vtxB.tmuvtx[0].sow = prjVerts[1].s * 255.0f * vtxB.oow;
|
|
vtxB.tmuvtx[0].tow = prjVerts[1].t * 255.0f * vtxB.oow;
|
|
vtxB.fog = 1.f / 15.f;
|
|
|
|
vtxC.tmuvtx[0].sow = prjVerts[2].s * 255.0f * vtxC.oow;
|
|
vtxC.tmuvtx[0].tow = prjVerts[2].t * 255.0f * vtxC.oow;
|
|
vtxC.fog = 1.f / 300.f;
|
|
|
|
vtxD.tmuvtx[0].sow = prjVerts[3].s * 255.0f * vtxD.oow;
|
|
vtxD.tmuvtx[0].tow = prjVerts[3].t * 255.0f * vtxD.oow;
|
|
vtxD.fog = 1.f / 15.f;
|
|
}
|
|
|
|
if (hwconfig == TL_VOODOORUSH) {
|
|
tlGetDimsByConst(resolution,
|
|
&scrWidth,
|
|
&scrHeight );
|
|
|
|
grClipWindow(0, 0, (FxU32) scrWidth, (FxU32) scrHeight);
|
|
}
|
|
|
|
grBufferClear( 0x00, 0, 0 );
|
|
|
|
grDrawTriangle( &vtxA, &vtxB, &vtxD );
|
|
grDrawTriangle( &vtxA, &vtxD, &vtxC );
|
|
|
|
if (fogCoord && fogext) {
|
|
grVertexLayout(GR_PARAM_FOG_EXT, sizeof(GrVertex), GR_PARAM_DISABLE);
|
|
}
|
|
|
|
tlConRender();
|
|
grBufferSwap( 1 );
|
|
|
|
/* grab the frame buffer */
|
|
if (scrgrab) {
|
|
if (!tlScreenDump(filename, (FxU16)scrWidth, (FxU16)scrHeight))
|
|
printf( "Cannot open %s\n", filename);
|
|
scrgrab = FXFALSE;
|
|
}
|
|
|
|
while( tlKbHit() ) {
|
|
switch( tlGetCH() ) {
|
|
case 'f':
|
|
case 'F':
|
|
fogCoord = !fogCoord;
|
|
break;
|
|
default:
|
|
frames = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
grGlideShutdown();
|
|
free(fogtable);
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|