/*****************************************************************************
* CloseDisplay: close and reset 3dfx device
*****************************************************************************
* Returns all resources allocated by OpenDisplay and restore the original
* state of the device.
*****************************************************************************/
static void CloseDisplay( vout_thread_t *p_vout )
{
/* unlock the hidden buffer */
grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER );
/* shutdown Glide */
grGlideShutdown();
}
/*****************************************************************************
* Display: displays previously rendered output
*****************************************************************************/
static void Display( vout_thread_t *p_vout, picture_t *p_pic )
{
grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER );
grBufferSwap( 0 );
if ( grLfbLock(GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER,
GR_LFBWRITEMODE_565, GR_ORIGIN_UPPER_LEFT, FXFALSE,
&p_vout->p_sys->p_buffer_info) == FXFALSE )
{
msg_Err( p_vout, "cannot take 3dfx back buffer lock" );
}
}
void glide64ReadScreen2(void *dest, int *width, int *height, int front)
{
GrLfbInfo_t info;
uint8_t *line = (uint8_t*)dest;
*width = settings.res_x;
*height = settings.res_y;
if (!line)
return;
info.size = sizeof(GrLfbInfo_t);
if (grLfbLock (GR_LFB_READ_ONLY,
GR_BUFFER_FRONTBUFFER,
GR_LFBWRITEMODE_888,
GR_ORIGIN_UPPER_LEFT,
FXFALSE,
&info))
{
uint32_t y, x;
// Copy the screen, let's hope this works.
for (y = 0; y < settings.res_y; y++)
{
uint8_t *ptr = (uint8_t*) info.lfbPtr + (info.strideInBytes * y);
for (x = 0; x < settings.res_x; x++)
{
line[x*3] = ptr[2]; // red
line[x*3+1] = ptr[1]; // green
line[x*3+2] = ptr[0]; // blue
ptr += 4;
}
line += settings.res_x * 3;
}
// Unlock the frontbuffer
grLfbUnlock (GR_LFB_READ_ONLY, GR_BUFFER_FRONTBUFFER);
}
}
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;
GrContext_t gc = 0;
static unsigned short colorBuf[64][64];
static unsigned short grabBuf[64][64];
int x,y;
/* Initialize Glide */
grGlideInit();
assert( hwconfig = tlVoodooType() );
/* 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 );
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 );
gc = grSstWinOpen(tlGethWnd(),
resolution,
GR_REFRESH_60Hz,
GR_COLORFORMAT_ABGR,
GR_ORIGIN_UPPER_LEFT,
2, 1 );
if (!gc) {
printf("Could not allocate glide fullscreen context.\n");
goto __errExit;
}
tlConSet( 0.0f, 0.0f, 1.0f, 0.5f,
60, 15, 0xffffff );
/* Set up Render State - disable dithering*/
grDitherMode( GR_DITHER_DISABLE );
/* Create Source Bitmap to be copied to framebuffer */
for( y = 0; y < 64; y++ ) {
for( x = 0; x < 64; x++ ) {
FxU8 red = x << 2;
FxU8 grn = y << 2;
FxU8 blu = ( x + y )<<1;
colorBuf[y][x] = (red & 0xF8) << 8;
colorBuf[y][x] |= (grn & 0xFC) << 3;
colorBuf[y][x] |= (blu & 0xF8) >> 3;
}
}
tlConOutput( "Press any key to quit\n" );
while( frames-- && tlOkToRender()) {
GrLfbInfo_t info;
int startX, startY;
if (hwconfig == TL_VOODOORUSH) {
tlGetDimsByConst(resolution,
&scrWidth,
&scrHeight );
grClipWindow(0, 0, (FxU32) scrWidth, (FxU32) scrHeight);
}
grBufferClear( 0x00, 0, 0 );
/* prepare info structure */
info.size = sizeof( GrLfbInfo_t );
/* lock back buffer */
if ( grLfbLock( GR_LFB_WRITE_ONLY,
GR_BUFFER_BACKBUFFER,
GR_LFBWRITEMODE_565,
GR_ORIGIN_UPPER_LEFT,
FXFALSE,
&info )==FXFALSE) {
tlConOutput( "Error, failed to take write lock\n" );
break;
}
if ( tlScaleX(1.0f) < 64.0 ||
tlScaleY(1.0f) < 64.0 )
return;
/* generate random start position */
startX = (int)rRandom( 64, (int)tlScaleX(1.0f) - 65 );
startY = (int)rRandom( 64, (int)tlScaleY(1.0f) - 65 );
/* render image to back buffer */
for( y = 0; y < 64; y++ ) {
for( x = 0; x < 64; x++ ) {
FxU16 *pixel =
(FxU16*)(((char*)info.lfbPtr) +
(y+startY)*info.strideInBytes+
(x+startX)*2);
*pixel = colorBuf[y][x];
}
}
/* unlock the backbuffer */
grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER );
/* swap to front buffer */
grBufferSwap( 1 );
grBufferClear( 0,0,0 );
tlSleep( 1 );
/* lock the front buffer */
if ( grLfbLock( GR_LFB_READ_ONLY,
GR_BUFFER_FRONTBUFFER,
GR_LFBWRITEMODE_ANY,
GR_ORIGIN_UPPER_LEFT,
FXFALSE,
&info )==FXFALSE) {
tlConOutput( "Error, failed to take read lock\n" );
break;
}
/* grab the source image out of the front buffer */
for( y = 0; y < 64; y++ ) {
for( x = 0; x < 64; x++ ) {
FxU16 *pixel =
(FxU16*)(((char*)info.lfbPtr) +
(y+startY)*info.strideInBytes+
(x+startX)*2);
grabBuf[y][x] = *pixel;
}
}
/* unlock the front buffer */
grLfbUnlock( GR_LFB_READ_ONLY, GR_BUFFER_FRONTBUFFER );
tlConClear();
/* compare the source image to the readback image */
if ( memcmp( colorBuf, grabBuf, sizeof( colorBuf ) ) ) {
tlConOutput( "Failed readback test\n" );
} else {
tlConOutput( "Passed readback test\n" );
}
grBufferSwap( 1 );
tlConOutput( "Press any key to quit\n" );
tlConRender();
grBufferSwap( 1 );
tlSleep( 1 );
while( tlKbHit() ) {
switch( tlGetCH() ) {
default:
frames = 0;
break;
}
}
}
__errExit:
grGlideShutdown();
return;
}
static int OpenDisplay( vout_thread_t *p_vout )
{
static char version[80];
GrHwConfiguration hwconfig;
GrScreenResolution_t resolution = GR_RESOLUTION_800x600;
GrLfbInfo_t p_front_buffer_info; /* front buffer info */
grGlideGetVersion( version );
grGlideInit();
if( !grSstQueryHardware(&hwconfig) )
{
msg_Err( p_vout, "cannot get 3dfx hardware config" );
return( 1 );
}
grSstSelect( 0 );
if( !grSstWinOpen( 0, resolution, GR_REFRESH_60Hz,
GR_COLORFORMAT_ABGR, GR_ORIGIN_UPPER_LEFT, 2, 1 ) )
{
msg_Err( p_vout, "cannot open 3dfx screen" );
return( 1 );
}
/* disable dithering */
/*grDitherMode( GR_DITHER_DISABLE );*/
/* clear both buffers */
grRenderBuffer( GR_BUFFER_BACKBUFFER );
grBufferClear( 0, 0, 0 );
grRenderBuffer( GR_BUFFER_FRONTBUFFER );
grBufferClear( 0, 0, 0 );
grRenderBuffer( GR_BUFFER_BACKBUFFER );
p_vout->p_sys->p_buffer_info.size = sizeof( GrLfbInfo_t );
p_front_buffer_info.size = sizeof( GrLfbInfo_t );
/* lock the buffers to find their adresses */
if ( grLfbLock(GR_LFB_WRITE_ONLY, GR_BUFFER_FRONTBUFFER,
GR_LFBWRITEMODE_565, GR_ORIGIN_UPPER_LEFT, FXFALSE,
&p_front_buffer_info) == FXFALSE )
{
msg_Err( p_vout, "cannot take 3dfx front buffer lock" );
grGlideShutdown();
return( 1 );
}
grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_FRONTBUFFER );
if ( grLfbLock(GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER,
GR_LFBWRITEMODE_565, GR_ORIGIN_UPPER_LEFT, FXFALSE,
&p_vout->p_sys->p_buffer_info) == FXFALSE )
{
msg_Err( p_vout, "cannot take 3dfx back buffer lock" );
grGlideShutdown();
return( 1 );
}
grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER );
grBufferClear( 0, 0, 0 );
p_vout->p_sys->pp_buffer[0] = p_vout->p_sys->p_buffer_info.lfbPtr;
p_vout->p_sys->pp_buffer[1] = p_front_buffer_info.lfbPtr;
p_vout->p_sys->i_index = 0;
return( 0 );
}
