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MacGLide/MacGLide/glide2x/sst1/glide/src/gbanner.c

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/*
** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE
** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com).
** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
** FULL TEXT OF THE NON-WARRANTY PROVISIONS.
**
** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
** THE UNITED STATES.
**
** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
**
** $Header: /cvsroot/macglide/MacGLide/glide2x/sst1/glide/src/gbanner.c,v 1.2 2005/07/20 20:45:56 jens-olaf Exp $
** $Log: gbanner.c,v $
** Revision 1.2 2005/07/20 20:45:56 jens-olaf
** Commented out unwanted code instead of using #define statements
**
** Revision 1.1 2005/07/09 21:28:54 jens-olaf
** Added splash screen and shameless plug
**
** Revision 1.1.1.1 1999/12/07 21:48:52 joseph
** Initial checkin into SourceForge.
**
*
* 9 5/02/97 2:08p Pgj
* screen_width/height now FxU32
*
* 8 3/16/97 2:24a Jdt
* Fixed bug. Didn't initialize info.
*
* 7 3/12/97 11:51p Jdt
* Watcom warning.
*
* 6 3/12/97 4:20p Jdt
* Fixed for VG96 and optimized SST-1
*
* 5 2/26/97 11:55a Jdt
* Updated banner for new lfb api
*
* 4 12/23/96 1:37p Dow
* chagnes for multiplatform glide
**
*/
/*
#include <3dfx.h>
#include <glidesys.h>
#define FX_DLL_DEFINITION
#include <fxdll.h>
#include <glide.h>
#include "fxglide.h"
*/
// OpenGLide specific
#include "../../../driversrc_defines.h"
#ifdef GLIDE_PLUG
#include "banner.inc"
#endif
/* display the translucent 3Dfx powerfield logo */
void
_grShamelessPlug( void )
{
// #ifdef GLIDE_PLUG
GrState state;
GrLfbInfo_t info;
GR_BEGIN_NOFIFOCHECK("_grShamelessPlug",80);
GDBG_INFO_MORE((gc->myLevel,"()\n"));
// #if ( GLIDE_PLATFORM & GLIDE_HW_SST1 )
grGlideGetState( &state );
grDisableAllEffects();
grAlphaCombine( GR_COMBINE_FUNCTION_SCALE_OTHER,
GR_COMBINE_FACTOR_ONE,
GR_COMBINE_LOCAL_CONSTANT,
GR_COMBINE_OTHER_TEXTURE, FXFALSE );
grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER,
GR_COMBINE_FACTOR_ONE,
GR_COMBINE_LOCAL_NONE,
GR_COMBINE_OTHER_TEXTURE,
FXFALSE );
grAlphaBlendFunction( GR_BLEND_SRC_ALPHA,
GR_BLEND_ONE_MINUS_SRC_ALPHA,
GR_BLEND_ZERO, GR_BLEND_ZERO );
grClipWindow( 0, 0,
Glide.WindowWidth - 1,
Glide.WindowHeight - 1);
grDepthMask(FXFALSE);
grDepthBufferFunction(GR_CMP_ALWAYS);
grDepthBufferMode( GR_DEPTHBUFFER_DISABLE );
grChromakeyValue( 0x0000 );
grChromakeyMode( GR_CHROMAKEY_ENABLE );
grLfbConstantAlpha( (FxU8) 90);
grLfbWriteColorFormat(GR_COLORFORMAT_ARGB);
/* Attempt to lock with pixpipe enabled */
info.size = sizeof( info );
if ( grLfbLock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER,
GR_LFBWRITEMODE_565,GR_ORIGIN_UPPER_LEFT,
FXTRUE, &info ) ) {
FxU32 *dstData;
FxU32 dstJump;
FxU32 *srcData;
FxI32 srcJump;
FxU32 srcScanlineLength;
FxU32 scrWidth = Glide.WindowWidth;
FxU32 scrHeight = Glide.WindowHeight;
FxU32 scanline;
/* Draw Banner in lower right of screen */
if ( scrWidth < (FxU32)banner_width ) return;
if ( scrHeight < (FxU32)banner_height ) return;
dstData = static_cast<unsigned long*>(info.lfbPtr);
dstData = (FxU32*)( ((char*)dstData) +
(info.strideInBytes*((scrHeight-1)-banner_height)) +
((scrWidth-banner_width)<<1) );
dstJump = ((info.strideInBytes >> 1) - banner_width)>>1;
srcData = (FxU32*)&banner_data[banner_width*(banner_height-1)];
srcScanlineLength = banner_width>>1;
srcJump = (-banner_width);
for( scanline = 0; scanline < (FxU32)banner_height; scanline++ ) {
FxU32 *end = srcData + srcScanlineLength;
while( srcData < end ) *dstData++ = *srcData++;
dstData += dstJump;
srcData += srcJump;
}
grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER );
}
grGlideSetState( &state );
/*
#elif ( GLIDE_PLATFORM & GLIDE_HW_SST96 )
FXUNUSED( state );
info.size = sizeof( info );
if ( grLfbLock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER,
GR_LFBWRITEMODE_565,GR_ORIGIN_UPPER_LEFT,
FXFALSE, &info ) ) {
FxU16 *dstData;
FxU32 dstJump;
FxU16 *srcData;
FxI32 srcJump;
FxU32 srcScanlineLength;
FxU32 scrWidth = gc->state.screen_width;
FxU32 scrHeight = gc->state.screen_height;
FxU32 scanline;
// Draw Banner in lower right of screen
if ( scrWidth < (FxU32)banner_width ) return;
if ( scrHeight < (FxU32)banner_height ) return;
dstData = info.lfbPtr;
dstData = (FxU16*)( ((char*)dstData) +
(info.strideInBytes*((scrHeight-1)-banner_height)) +
((scrWidth-banner_width)<<1) );
dstJump = ((info.strideInBytes >> 1) - banner_width);
srcData = (FxU16*)&banner_data[banner_width*(banner_height-1)];
srcScanlineLength = banner_width;
srcJump = (-banner_width)*2;
for( scanline = 0; scanline < (FxU32)banner_height; scanline++ ) {
FxU16 *end = srcData + srcScanlineLength;
while( srcData < end ) {
if ( *srcData )
*dstData = *srcData;
dstData++;
srcData++;
}
dstData += dstJump;
srcData += srcJump;
}
grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_BACKBUFFER );
}
#else
# error "Shameless Plug Unimplemented on this Hardware"
#endif
*/
// GR_END();
// #endif
} /* _grShamelessPlug */
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