bd3e0372c1
sbench.c:300: error: lvalue required as left operand of assignment sbench.c:301: error: lvalue required as left operand of assignment sbench.c:375: error: lvalue required as left operand of assignment sbench.c:376: error: lvalue required as left operand of assignment I _think_ this is the correct fix: MSVC6 generates the same output before and after this patch.
445 lines
13 KiB
C
445 lines
13 KiB
C
/*
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** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
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** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
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** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
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** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE
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** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com).
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** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
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** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
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** FULL TEXT OF THE NON-WARRANTY PROVISIONS.
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**
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** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
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** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
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** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
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** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
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** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
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** THE UNITED STATES.
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**
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** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
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**
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#ifndef __linux__
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#include <conio.h>
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#endif
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#include <assert.h>
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#include <string.h>
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#include <math.h>
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#include <fxos.h>
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#include <glide.h>
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#include "tlib.h"
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int hwconfig;
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static const char *version;
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static const char name[] = "sbench";
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static const char purpose[] = "benchmark grDrawVertexArray for gouraud shaded triangle";
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static const char usage[] = "-n <frames> -r <res> -d <filename> -l <primitive type> -v <vertex array size> -t <triangel size> -p -a";
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void Usage(void)
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{
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printf (" -l <type> => primitive type\n");
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printf (" => 0 point\n");
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printf (" => 1 line strip\n");
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printf (" => 2 line\n");
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printf (" => 3 polygon\n");
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printf (" => 4 strip\n");
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printf (" => 5 fan\n");
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printf (" => 6 triangle\n");
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printf (" -v <size> => vertex array size\n");
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printf (" -t <size> => triangle size\n");
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printf (" -p => packed color\n");
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printf (" -a => antialiased\n");
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}
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void
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setVertexXyzRgbaSt( FxFloat *v, FxFloat x, FxFloat y, FxFloat z,
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FxFloat r, FxFloat g, FxFloat b, FxFloat a,
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FxFloat s, FxFloat t)
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{
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*(v+GR_VERTEX_X_OFFSET) = x;
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*(v+GR_VERTEX_Y_OFFSET) = y;
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*(v+GR_VERTEX_OOZ_OFFSET) = 65000.f/z;
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*(v+GR_VERTEX_OOW_OFFSET) = 1.f;
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*(v+GR_VERTEX_R_OFFSET) = r;
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*(v+GR_VERTEX_G_OFFSET) = g;
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*(v+GR_VERTEX_B_OFFSET) = b;
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*(v+GR_VERTEX_A_OFFSET) = a;
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*(v+GR_VERTEX_OOW_TMU0_OFFSET) = 1.f;
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*(v+GR_VERTEX_SOW_TMU0_OFFSET) = s * 1.f;
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*(v+GR_VERTEX_TOW_TMU0_OFFSET) = t * 1.f;
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*(v+GR_VERTEX_OOW_TMU1_OFFSET) = 1.f;
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*(v+GR_VERTEX_SOW_TMU1_OFFSET) = s * 1.f;
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*(v+GR_VERTEX_TOW_TMU1_OFFSET) = t * 1.f;
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}
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int
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main( int argc, char **argv)
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{
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char
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match,
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**remArgs,
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*args =
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"nrdlsfapvt",
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filename[256];
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int
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pass,
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nVerts = 640,
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frames = -1,
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rv;
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float
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t, tps,
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scrWidth = 640.f,
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scrHeight = 480.f;
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FxBool
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scrgrab = FXFALSE;
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GrScreenResolution_t
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resolution = GR_RESOLUTION_640x480;
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FxU32
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listType = GR_TRIANGLE_STRIP;
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FxBool
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useList = FXFALSE;
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FxBool
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aaenable = FXFALSE;
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FxBool
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packedrgb = FXFALSE;
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FxI32
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vsize = 640;
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float tSize = 10.f;
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int kNumPasses;
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FxU32 coords = GR_WINDOW_COORDS;
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FxU32 wrange[2];
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/* Process Command Line Arguments */
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while((rv = tlGetOpt(argc, argv, args, &match, &remArgs)) != 0) {
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if ( rv == -1 ) {
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printf( "Unrecognized command line argument\n" );
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printf( "%s %s\n", name, usage );
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printf( "Available resolutions:\n%s\n",
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tlGetResolutionList() );
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Usage();
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return -1;
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}
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switch( match ) {
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case 'n':
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frames = atoi( remArgs[0] );
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break;
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case 'r':
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resolution = tlGetResolutionConstant( remArgs[0],
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&scrWidth,
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&scrHeight );
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break;
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case 'd':
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scrgrab = FXTRUE;
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frames = 1;
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strcpy(filename, remArgs[0]);
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break;
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case 'l':
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useList = FXTRUE;
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listType = atoi( remArgs[0] );
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break;
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case 'f':
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listType = GR_TRIANGLE_FAN;
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break;
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case 's':
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listType = GR_TRIANGLE_STRIP;
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break;
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case 'a':
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aaenable = FXTRUE;
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break;
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case 'p':
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packedrgb = FXTRUE;
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break;
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case 'v':
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vsize = atoi( remArgs[0] );
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break;
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case 't':
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tSize = (float)atoi( remArgs[0] );
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break;
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case 'c':
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coords = atoi( remArgs[0] );
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break;
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}
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}
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tlSetScreen( scrWidth, scrHeight );
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version = grGetString( GR_VERSION );
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printf( "%s:\n%s\n", name, purpose );
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printf( "%s\n", version );
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printf( "Resolution: %s\n", tlGetResolutionString( resolution ) );
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if ( frames == -1 ) {
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printf( "Press A Key To Begin Test.\n" );
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tlGetCH();
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}
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/* Initialize Glide */
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grGlideInit();
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assert( hwconfig = tlVoodooType() );
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grGet(GR_WDEPTH_MIN_MAX, 8, wrange);
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grSstSelect( 0 );
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assert( grSstWinOpen(tlGethWnd(),
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resolution,
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GR_REFRESH_60Hz,
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GR_COLORFORMAT_ABGR,
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GR_ORIGIN_UPPER_LEFT,
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2, 1 ) );
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tlConSet( 0.f, 0.f, 1.f, 1.f,
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60, 30, 0xffffff );
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/* Set up Render State - gouraud shading */
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grColorCombine( GR_COMBINE_FUNCTION_LOCAL,
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GR_COMBINE_FACTOR_NONE,
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GR_COMBINE_LOCAL_ITERATED,
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GR_COMBINE_OTHER_NONE,
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FXFALSE );
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if (aaenable) {
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grAlphaCombine( GR_COMBINE_FUNCTION_LOCAL,
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GR_COMBINE_FACTOR_NONE,
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GR_COMBINE_LOCAL_ITERATED,
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GR_COMBINE_OTHER_NONE,
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FXFALSE );
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grAlphaBlendFunction( GR_BLEND_SRC_ALPHA, GR_BLEND_ONE_MINUS_SRC_ALPHA,
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GR_BLEND_ZERO, GR_BLEND_ZERO );
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}
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grVertexLayout(GR_PARAM_XY, GR_VERTEX_X_OFFSET << 2, GR_PARAM_ENABLE);
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grVertexLayout(GR_PARAM_RGB, GR_VERTEX_R_OFFSET << 2, GR_PARAM_ENABLE);
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grVertexLayout(GR_PARAM_A, GR_VERTEX_A_OFFSET << 2, GR_PARAM_ENABLE);
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grVertexLayout(GR_PARAM_Z, GR_VERTEX_OOZ_OFFSET << 2, GR_PARAM_ENABLE);
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grVertexLayout(GR_PARAM_W, GR_VERTEX_OOW_OFFSET << 2, GR_PARAM_ENABLE);
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grVertexLayout(GR_PARAM_ST0, GR_VERTEX_SOW_TMU0_OFFSET << 2, GR_PARAM_ENABLE);
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grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2, GR_PARAM_ENABLE);
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grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2, GR_PARAM_ENABLE);
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grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2, GR_PARAM_ENABLE);
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grCullMode(GR_CULL_DISABLE);
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grSstOrigin(GR_ORIGIN_LOWER_LEFT);
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tlConOutput( "Press a key to quit\n" );
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while( frames-- && tlOkToRender()) {
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GrVertex vtxA, vtxB, vtxC;
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if (hwconfig == TL_VOODOORUSH) {
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tlGetDimsByConst(resolution,
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&scrWidth,
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&scrHeight );
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grClipWindow(0, 0, (FxU32) scrWidth, (FxU32) scrHeight);
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}
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if (useList == FXFALSE) {
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grBufferClear( 0x00, 0, (FxU16)wrange[1] );
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vtxA.x = tlScaleX( 0.3f ), vtxA.y = tlScaleY( 0.3f );
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vtxA.r = 255.f, vtxA.g = 0.f, vtxA.b = 0.f;
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vtxB.x = tlScaleX( 0.8f ), vtxB.y = tlScaleY( 0.4f );
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vtxB.r = 0.f, vtxB.g = 255.f, vtxB.b = 0.f;
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vtxC.x = tlScaleX( 0.5f ), vtxC.y = tlScaleY( 0.8f );
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vtxC.r = 0.f, vtxC.g = 0.f, vtxC.b = 255.f;
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grDrawTriangle( &vtxA, &vtxB, &vtxC );
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} else {
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#define NVELEM (sizeof(GrVertex) >> 2)
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int v;
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float *vArray;
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float **vPtrArray;
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grRenderBuffer(GR_BUFFER_FRONTBUFFER);
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vArray = (float *) calloc(nVerts * NVELEM, sizeof(float));
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vPtrArray = (float **) calloc(nVerts, sizeof(float *));
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/* Setup the pointer array */
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for (v = 0; v < nVerts; v++)
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vPtrArray[v] = &vArray[NVELEM * v];
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if ((listType == GR_TRIANGLE_STRIP) ||
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(listType == GR_TRIANGLES) ||
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(listType == GR_POINTS) ||
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(listType == GR_LINE_STRIP) ||
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(listType == GR_LINES)){
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/* Set up the vertices */
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for (v = 0; v < vsize; v++) {
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setVertexXyzRgbaSt( &vPtrArray[v][GR_VERTEX_X_OFFSET],
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(float) (v >> 1) * tSize, (v & 1) ? tSize : 0.f, 100.f,
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v * (255.f / vsize), 0.f, 255.f - (v * 255.f / vsize),
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255.f,
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0.5f, 0.5f);
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if (packedrgb) {
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*(FxU32*) &vPtrArray[v][GR_VERTEX_R_OFFSET] =
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((unsigned char) (vPtrArray[v][GR_VERTEX_R_OFFSET]) << 16) |
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((unsigned char) (vPtrArray[v][GR_VERTEX_G_OFFSET]) << 8) |
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((unsigned char) (vPtrArray[v][GR_VERTEX_B_OFFSET]));
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*(FxU32*) &vPtrArray[v][GR_VERTEX_R_OFFSET] |= 0xff000000;
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}
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}
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} else { /* listType == GR_TRIANGLE_FAN */
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#define PI 3.1415f
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#if 0
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for (v = 0; v < nVerts; v++) {
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float x, y;
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if (v == 0) {
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x = 0.5f;
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y = 0.0f;
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vPtrArray[v][VTX_R] = 0.f;
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vPtrArray[v][VTX_G] = 255.f;
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vPtrArray[v][VTX_R] = 0.f;
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} else {
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float
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theta;
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theta = PI - ((((float) v / (float) nVerts)) * PI);
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x = ((float) cos(theta) + 1.f) / 2.f;
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y = (float) sin(theta);
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vPtrArray[v][VTX_R] = v * (255.f / nVerts);
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vPtrArray[v][VTX_G] = 0.f;
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vPtrArray[v][VTX_B] = 255.f - (v * 255.f / nVerts);
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}
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vPtrArray[v][VTX_X] = tlScaleX(x);
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vPtrArray[v][VTX_Y] = tlScaleY(y);
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}
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#endif
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#if 1
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for (v = 0; v < vsize; v++) {
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float x, y;
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float area = tSize * tSize / 2;
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float r = (float)sqrt((vsize - 2) * area / PI);
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if (v == 0) {
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x = 0.5f;
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y = 0.5f;
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vPtrArray[v][GR_VERTEX_X_OFFSET] = tlScaleX(x);
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vPtrArray[v][GR_VERTEX_Y_OFFSET] = tlScaleY(y);
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vPtrArray[v][GR_VERTEX_R_OFFSET] = 0.f;
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vPtrArray[v][GR_VERTEX_G_OFFSET] = 255.f;
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vPtrArray[v][GR_VERTEX_B_OFFSET] = 0.f;
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vPtrArray[v][GR_VERTEX_A_OFFSET] = 255.f;
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} else {
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float
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theta;
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theta = PI - ((((float) (v-1) / (float) (vsize - 2))) * 2.f * PI);
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x = (float) cos(theta) * r;
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y = (float) sin(theta) * r;
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vPtrArray[v][GR_VERTEX_X_OFFSET] = tlScaleX(0.5f) + x;
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vPtrArray[v][GR_VERTEX_Y_OFFSET] = tlScaleY(0.5f) + y;
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vPtrArray[v][GR_VERTEX_R_OFFSET] = v * (255.f / vsize);
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vPtrArray[v][GR_VERTEX_G_OFFSET] = 0.f;
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vPtrArray[v][GR_VERTEX_B_OFFSET] = 255.f - (v * 255.f / vsize);
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vPtrArray[v][GR_VERTEX_A_OFFSET] = 255.f;
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}
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if (packedrgb) {
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*(FxU32*) &vPtrArray[v][GR_VERTEX_R_OFFSET] =
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((unsigned char) (vPtrArray[v][GR_VERTEX_R_OFFSET]) << 16) |
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((unsigned char) (vPtrArray[v][GR_VERTEX_G_OFFSET]) << 8) |
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((unsigned char) (vPtrArray[v][GR_VERTEX_B_OFFSET]));
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*(FxU32*) &vPtrArray[v][GR_VERTEX_R_OFFSET] |= 0xff000000;
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}
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}
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#endif
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}
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/* Describe the vertices to Glide */
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if (packedrgb)
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grVertexLayout(GR_PARAM_PARGB, GR_VERTEX_R_OFFSET << 2, GR_PARAM_ENABLE);
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if (aaenable)
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grEnable(GR_AA_ORDERED);
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if (coords == GR_WINDOW_COORDS) {
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grCoordinateSpace(GR_WINDOW_COORDS);
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}
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else {
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grCoordinateSpace(GR_CLIP_COORDS);
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grViewport(0, 0, 640, 480);
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grDepthRange(0.f, 1.f);
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}
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/* #define kNumPasses 10000000 */
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kNumPasses = 10000000 / vsize;
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grFinish(); /* wait for idle */
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timer(0);
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for (pass = 0; pass < kNumPasses; pass++)
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grDrawVertexArray(listType, vsize, vPtrArray);
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grFinish(); /* wait for idle */
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t = timer(1);
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switch (listType) {
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case GR_POINTS:
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tps = (vsize * kNumPasses) / t;
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printf("%.2f pps\n", tps);
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break;
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case GR_LINE_STRIP:
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tps = ((vsize - 1) * kNumPasses) / t;
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printf("%.2f lps\n", tps);
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break;
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case GR_LINES:
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tps = ((vsize/2) * kNumPasses) / t;
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printf("%.2f lps\n", tps);
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break;
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case GR_POLYGON:
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case GR_TRIANGLE_STRIP:
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case GR_TRIANGLE_FAN:
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tps = ((vsize - 2) * kNumPasses) / t;
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printf("%.2f tps\n", tps);
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break;
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case GR_TRIANGLES:
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tps = ((vsize / 3) * kNumPasses) / t;
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printf("%.2f tps\n", tps);
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break;
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}
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}
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frames = 0;
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}
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grGlideShutdown();
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return 0;
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} /* main */
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