163 lines
4.4 KiB
C
163 lines
4.4 KiB
C
/*
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** Insert new header here
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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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#else
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#include <linutil.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 <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[] = "test07";
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static const char purpose[] = "alpha blending test";
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static const char usage[] = "-n <frames> -r <res> -d <filename>";
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void main( int argc, char **argv) {
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char match;
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char **remArgs;
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int rv;
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GrScreenResolution_t resolution = GR_RESOLUTION_640x480;
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float scrWidth = 640.0f;
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float scrHeight = 480.0f;
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int frames = -1;
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FxBool scrgrab = FXFALSE;
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char filename[256];
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/* Initialize Glide */
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grGlideInit();
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assert( hwconfig = tlVoodooType() );
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/* Process Command Line Arguments */
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while( rv = tlGetOpt( argc, argv, "nrd", &match, &remArgs ) ) {
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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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return;
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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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}
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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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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( 0.0f, 0.0f, 1.0f, 1.0f,
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60, 30, 0xffffff );
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/* Set up Render State - flat shading + alpha blend on constant alpha */
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grVertexLayout(GR_PARAM_XY, 0, GR_PARAM_ENABLE);
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grColorCombine( GR_COMBINE_FUNCTION_LOCAL,
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GR_COMBINE_FACTOR_NONE,
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GR_COMBINE_LOCAL_CONSTANT,
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GR_COMBINE_OTHER_NONE,
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FXFALSE );
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grAlphaCombine( GR_COMBINE_FUNCTION_LOCAL,
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GR_COMBINE_FACTOR_NONE,
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GR_COMBINE_LOCAL_CONSTANT,
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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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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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grBufferClear( 0x00, 0, 0 );
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vtxA.x = tlScaleX( 0.25f ), vtxA.y = tlScaleY( 0.21f );
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vtxB.x = tlScaleX( 0.75f ), vtxB.y = tlScaleY( 0.21f );
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vtxC.x = tlScaleX( 0.5f ), vtxC.y = tlScaleY( 0.79f );
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grConstantColorValue( 0xFF0000FF );
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grDrawTriangle( &vtxA, &vtxB, &vtxC );
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vtxA.x = tlScaleX( 0.86f ), vtxA.y = tlScaleY( 0.21f );
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vtxB.x = tlScaleX( 0.86f ), vtxB.y = tlScaleY( 0.79f );
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vtxC.x = tlScaleX( 0.14f ), vtxC.y = tlScaleY( 0.5f );
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grConstantColorValue( 0x80FF0000 );
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grDrawTriangle( &vtxA, &vtxB, &vtxC );
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tlConRender();
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grBufferSwap( 1 );
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/* grab the frame buffer */
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if (scrgrab) {
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if (!tlScreenDump(filename, (FxU16)scrWidth, (FxU16)scrHeight))
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printf( "Cannot open %s\n", filename);
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scrgrab = FXFALSE;
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}
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if ( tlKbHit() ) frames = 0;
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}
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grGlideShutdown();
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return;
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}
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