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Diffstat (limited to 'distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxaccel.c')
-rw-r--r--distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxaccel.c262
1 files changed, 0 insertions, 262 deletions
diff --git a/distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxaccel.c b/distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxaccel.c
deleted file mode 100644
index 24605e3..0000000
--- a/distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxaccel.c
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-#include "SDL_endian.h"
-#include "SDL_video.h"
-#include "../SDL_sysvideo.h"
-#include "../SDL_blit.h"
-#include "SDL_cgxvideo.h"
-
-static int CGX_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect,
- SDL_Surface *dst, SDL_Rect *dstrect);
-
-// These are needed to avoid register troubles with gcc -O2!
-
-#if defined(__SASC) || defined(__PPC__) || defined(MORPHOS)
-#define BMKBRP(a,b,c,d,e,f,g,h,i,j) BltMaskBitMapRastPort(a,b,c,d,e,f,g,h,i,j)
-#define BBRP(a,b,c,d,e,f,g,h,i) BltBitMapRastPort(a,b,c,d,e,f,g,h,i)
-#define BBB(a,b,c,d,e,f,g,h,i,j,k) BltBitMap(a,b,c,d,e,f,g,h,i,j,k)
-#else
-void BMKBRP(struct BitMap *a,WORD b, WORD c,struct RastPort *d,WORD e,WORD f,WORD g,WORD h,UBYTE i,APTR j)
-{BltMaskBitMapRastPort(a,b,c,d,e,f,g,h,i,j);}
-
-void BBRP(struct BitMap *a,WORD b, WORD c,struct RastPort *d,WORD e,WORD f,WORD g,WORD h,UBYTE i)
-{BltBitMapRastPort(a,b,c,d,e,f,g,h,i);}
-
-void BBB(struct BitMap *a,WORD b, WORD c,struct BitMap *d,WORD e,WORD f,WORD g,WORD h,UBYTE i,UBYTE j,UWORD *k)
-{BltBitMap(a,b,c,d,e,f,g,h,i,j,k);}
-#endif
-
-int CGX_SetHWColorKey(_THIS,SDL_Surface *surface, Uint32 key)
-{
- if(surface->hwdata)
- {
- if(surface->hwdata->mask)
- SDL_free(surface->hwdata->mask);
-
- if(surface->hwdata->mask=SDL_malloc(RASSIZE(surface->w,surface->h)))
- {
- Uint32 pitch,ok=0;
- APTR lock;
-
- SDL_memset(surface->hwdata->mask,255,RASSIZE(surface->w,surface->h));
-
- D(bug("Building colorkey mask: color: %ld, size: %ld x %ld, %ld bytes...Bpp:%ld\n",key,surface->w,surface->h,RASSIZE(surface->w,surface->h),surface->format->BytesPerPixel));
-
- if(lock=LockBitMapTags(surface->hwdata->bmap,LBMI_BASEADDRESS,(ULONG)&surface->pixels,
- LBMI_BYTESPERROW,(ULONG)&pitch,TAG_DONE))
- {
- switch(surface->format->BytesPerPixel)
- {
- case 1:
- {
- unsigned char k=key;
- register int i,j,t;
- register unsigned char *dest=surface->hwdata->mask,*map=surface->pixels;
-
- pitch-=surface->w;
-
- for(i=0;i<surface->h;i++)
- {
- for(t=128,j=0;j<surface->w;j++)
- {
- if(*map==k)
- *dest&=~t;
-
- t>>=1;
-
- if(t==0)
- {
- dest++;
- t=128;
- }
- map++;
- }
- map+=pitch;
- }
- }
- break;
- case 2:
- {
- Uint16 k=key,*mapw;
- register int i,j,t;
- register unsigned char *dest=surface->hwdata->mask,*map=surface->pixels;
-
- for(i=surface->h;i;--i)
- {
- mapw=(Uint16 *)map;
-
- for(t=128,j=surface->w;j;--j)
- {
- if(*mapw==k)
- *dest&=~t;
-
- t>>=1;
-
- if(t==0)
- {
- dest++;
- t=128;
- }
- mapw++;
- }
- map+=pitch;
- }
- }
- break;
- case 4:
- {
- Uint32 *mapl;
- register int i,j,t;
- register unsigned char *dest=surface->hwdata->mask,*map=surface->pixels;
-
- for(i=surface->h;i;--i)
- {
- mapl=(Uint32 *)map;
-
- for(t=128,j=surface->w;j;--j)
- {
- if(*mapl==key)
- *dest&=~t;
-
- t>>=1;
-
- if(t==0)
- {
- dest++;
- t=128;
- }
- mapl++;
- }
- map+=pitch;
- }
-
- }
- break;
- default:
- D(bug("Pixel mode non supported for color key..."));
- SDL_free(surface->hwdata->mask);
- surface->hwdata->mask=NULL;
- ok=-1;
- }
- UnLockBitMap(lock);
- D(bug("...Colorkey built!\n"));
- return ok;
- }
- }
- }
- D(bug("HW colorkey not supported for this depth\n"));
-
- return -1;
-}
-
-int CGX_CheckHWBlit(_THIS,SDL_Surface *src,SDL_Surface *dst)
-{
-// Doesn't support yet alpha blitting
-
- if(src->hwdata&& !(src->flags & (SDL_SRCALPHA)))
- {
- D(bug("CheckHW blit... OK!\n"));
-
- if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) {
- if ( CGX_SetHWColorKey(this, src, src->format->colorkey) < 0 ) {
- src->flags &= ~SDL_HWACCEL;
- return -1;
- }
- }
-
- src->flags|=SDL_HWACCEL;
- src->map->hw_blit = CGX_HWAccelBlit;
- return 1;
- }
- else
- src->flags &= ~SDL_HWACCEL;
-
- D(bug("CheckHW blit... NO!\n"));
-
- return 0;
-}
-
-static int temprp_init=0;
-static struct RastPort temprp;
-
-static int CGX_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect,
- SDL_Surface *dst, SDL_Rect *dstrect)
-{
- struct SDL_VideoDevice *this=src->hwdata->videodata;
-
-// D(bug("Accel blit!\n"));
-
- if(src->flags&SDL_SRCCOLORKEY && src->hwdata->mask)
- {
- if(dst==SDL_VideoSurface)
- {
- BMKBRP(src->hwdata->bmap,srcrect->x,srcrect->y,
- SDL_RastPort,dstrect->x+SDL_Window->BorderLeft,dstrect->y+SDL_Window->BorderTop,
- srcrect->w,srcrect->h,0xc0,src->hwdata->mask);
- }
- else if(dst->hwdata)
- {
- if(!temprp_init)
- {
- InitRastPort(&temprp);
- temprp_init=1;
- }
- temprp.BitMap=(struct BitMap *)dst->hwdata->bmap;
-
- BMKBRP(src->hwdata->bmap,srcrect->x,srcrect->y,
- &temprp,dstrect->x,dstrect->y,
- srcrect->w,srcrect->h,0xc0,src->hwdata->mask);
-
- }
- }
- else if(dst==SDL_VideoSurface)
- {
- BBRP(src->hwdata->bmap,srcrect->x,srcrect->y,SDL_RastPort,dstrect->x+SDL_Window->BorderLeft,dstrect->y+SDL_Window->BorderTop,srcrect->w,srcrect->h,0xc0);
- }
- else if(dst->hwdata)
- BBB(src->hwdata->bmap,srcrect->x,srcrect->y,dst->hwdata->bmap,dstrect->x,dstrect->y,srcrect->w,srcrect->h,0xc0,0xff,NULL);
-
- return 0;
-}
-
-int CGX_FillHWRect(_THIS,SDL_Surface *dst,SDL_Rect *dstrect,Uint32 color)
-{
- if(dst==SDL_VideoSurface)
- {
- FillPixelArray(SDL_RastPort,dstrect->x+SDL_Window->BorderLeft,dstrect->y+SDL_Window->BorderTop,dstrect->w,dstrect->h,color);
- }
- else if(dst->hwdata)
- {
- if(!temprp_init)
- {
- InitRastPort(&temprp);
- temprp_init=1;
- }
-
- temprp.BitMap=(struct BitMap *)dst->hwdata->bmap;
-
- FillPixelArray(&temprp,dstrect->x,dstrect->y,dstrect->w,dstrect->h,color);
- }
- return 0;
-}
generated by cgit v1.1 at 2024-04-27 15:20:45 +0000