diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/fbcon/SDL_fbmatrox.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/fbcon/SDL_fbmatrox.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/distrib/sdl-1.2.12/src/video/fbcon/SDL_fbmatrox.c b/distrib/sdl-1.2.12/src/video/fbcon/SDL_fbmatrox.c deleted file mode 100644 index 177131a..0000000 --- a/distrib/sdl-1.2.12/src/video/fbcon/SDL_fbmatrox.c +++ /dev/null @@ -1,280 +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_video.h" -#include "../SDL_blit.h" -#include "SDL_fbmatrox.h" -#include "matrox_mmio.h" - - -/* Wait for vertical retrace - taken from the XFree86 Matrox driver */ -static void WaitVBL(_THIS) -{ - int count; - - /* find start of retrace */ - mga_waitidle(); - while ( (mga_in8(0x1FDA) & 0x08) ) - ; - while ( !(mga_in8(0x1FDA) & 0x08) ) - ; - /* wait until we're past the start */ - count = mga_in32(0x1E20) + 2; - while ( mga_in32(0x1E20) < count ) - ; -} -static void WaitIdle(_THIS) -{ - mga_waitidle(); -} - -/* Sets video mem colorkey and accelerated blit function */ -static int SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key) -{ - return(0); -} - -/* Sets per surface hardware alpha value */ -#if 0 -static int SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 value) -{ - return(0); -} -#endif - -static int FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color) -{ - int dstX, dstY; - Uint32 fxbndry; - Uint32 ydstlen; - Uint32 fillop; - - /* Don't blit to the display surface when switched away */ - if ( switched_away ) { - return -2; /* no hardware access */ - } - if ( dst == this->screen ) { - SDL_mutexP(hw_lock); - } - - switch (dst->format->BytesPerPixel) { - case 1: - color |= (color<<8); - case 2: - color |= (color<<16); - break; - } - - /* Set up the X/Y base coordinates */ - FB_dst_to_xy(this, dst, &dstX, &dstY); - - /* Adjust for the current rectangle */ - dstX += rect->x; - dstY += rect->y; - - /* Set up the X boundaries */ - fxbndry = (dstX | ((dstX+rect->w) << 16)); - - /* Set up the Y boundaries */ - ydstlen = (rect->h | (dstY << 16)); - - /* Set up for color fill operation */ - fillop = MGADWG_TRAP | MGADWG_SOLID | - MGADWG_ARZERO | MGADWG_SGNZERO | MGADWG_SHIFTZERO; - - /* Execute the operations! */ - mga_wait(5); - mga_out32(MGAREG_DWGCTL, fillop | MGADWG_REPLACE); - mga_out32(MGAREG_FCOL, color); - mga_out32(MGAREG_FXBNDRY, fxbndry); - mga_out32(MGAREG_YDSTLEN + MGAREG_EXEC, ydstlen); - - FB_AddBusySurface(dst); - - if ( dst == this->screen ) { - SDL_mutexV(hw_lock); - } - return(0); -} - -static int HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, - SDL_Surface *dst, SDL_Rect *dstrect) -{ - SDL_VideoDevice *this = current_video; - int pitch, w, h; - int srcX, srcY; - int dstX, dstY; - Uint32 sign; - Uint32 start, stop; - int skip; - Uint32 blitop; - - /* FIXME: For now, only blit to display surface */ - if ( dst->pitch != SDL_VideoSurface->pitch ) { - return(src->map->sw_blit(src, srcrect, dst, dstrect)); - } - - /* Don't blit to the display surface when switched away */ - if ( switched_away ) { - return -2; /* no hardware access */ - } - if ( dst == this->screen ) { - SDL_mutexP(hw_lock); - } - - /* Calculate source and destination base coordinates (in pixels) */ - w = dstrect->w; - h = dstrect->h; - FB_dst_to_xy(this, src, &srcX, &srcY); - FB_dst_to_xy(this, dst, &dstX, &dstY); - - /* Adjust for the current blit rectangles */ - srcX += srcrect->x; - srcY += srcrect->y; - dstX += dstrect->x; - dstY += dstrect->y; - pitch = dst->pitch/dst->format->BytesPerPixel; - - /* Set up the blit direction (sign) flags */ - sign = 0; - if ( srcX < dstX ) { - sign |= 1; - } - if ( srcY < dstY ) { - sign |= 4; - srcY += (h - 1); - dstY += (h - 1); - } - - /* Set up the blit source row start, end, and skip (in pixels) */ - stop = start = (srcY * pitch) + srcX; - if ( srcX < dstX ) { - start += (w - 1); - } else { - stop += (w - 1); - } - if ( srcY < dstY ) { - skip = -pitch; - } else { - skip = pitch; - } - - /* Set up the blit operation */ - if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) { - Uint32 colorkey; - - blitop = MGADWG_BFCOL | MGADWG_BITBLT | - MGADWG_SHIFTZERO | MGADWG_RSTR | (0x0C << 16) | - MGADWG_TRANSC; - - colorkey = src->format->colorkey; - switch (dst->format->BytesPerPixel) { - case 1: - colorkey |= (colorkey<<8); - case 2: - colorkey |= (colorkey<<16); - break; - } - mga_wait(2); - mga_out32(MGAREG_FCOL, colorkey); - mga_out32(MGAREG_BCOL, 0xFFFFFFFF); - } else { - blitop = MGADWG_BFCOL | MGADWG_BITBLT | - MGADWG_SHIFTZERO | MGADWG_RSTR | (0x0C << 16); - } - mga_wait(7); - mga_out32(MGAREG_SGN, sign); - mga_out32(MGAREG_AR3, start); - mga_out32(MGAREG_AR0, stop); - mga_out32(MGAREG_AR5, skip); - mga_out32(MGAREG_FXBNDRY, (dstX | ((dstX + w-1) << 16))); - mga_out32(MGAREG_YDSTLEN, (dstY << 16) | h); - mga_out32(MGAREG_DWGCTL + MGAREG_EXEC, blitop); - - FB_AddBusySurface(src); - FB_AddBusySurface(dst); - - if ( dst == this->screen ) { - SDL_mutexV(hw_lock); - } - return(0); -} - -static int CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst) -{ - int accelerated; - - /* Set initial acceleration on */ - src->flags |= SDL_HWACCEL; - - /* Set the surface attributes */ - if ( (src->flags & SDL_SRCALPHA) == SDL_SRCALPHA ) { - if ( ! this->info.blit_hw_A ) { - src->flags &= ~SDL_HWACCEL; - } - } - if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) { - if ( ! this->info.blit_hw_CC ) { - src->flags &= ~SDL_HWACCEL; - } - } - - /* Check to see if final surface blit is accelerated */ - accelerated = !!(src->flags & SDL_HWACCEL); - if ( accelerated ) { - src->map->hw_blit = HWAccelBlit; - } - return(accelerated); -} - -void FB_MatroxAccel(_THIS, __u32 card) -{ - /* We have hardware accelerated surface functions */ - this->CheckHWBlit = CheckHWBlit; - wait_vbl = WaitVBL; - wait_idle = WaitIdle; - - /* The Matrox has an accelerated color fill */ - this->info.blit_fill = 1; - this->FillHWRect = FillHWRect; - - /* The Matrox has accelerated normal and colorkey blits. */ - this->info.blit_hw = 1; - /* The Millenium I appears to do the colorkey test a word - at a time, and the transparency is intverted. (?) - */ - if ( card != FB_ACCEL_MATROX_MGA2064W ) { - this->info.blit_hw_CC = 1; - this->SetHWColorKey = SetHWColorKey; - } - -#if 0 /* Not yet implemented? */ - /* The Matrox G200/G400 has an accelerated alpha blit */ - if ( (card == FB_ACCEL_MATROX_MGAG200) - || (card == FB_ACCEL_MATROX_MGAG400) - ) { - this->info.blit_hw_A = 1; - this->SetHWAlpha = SetHWAlpha; - } -#endif -} |