diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/fbcon/SDL_fbriva.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/fbcon/SDL_fbriva.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/distrib/sdl-1.2.12/src/video/fbcon/SDL_fbriva.c b/distrib/sdl-1.2.12/src/video/fbcon/SDL_fbriva.c deleted file mode 100644 index 1a712dc..0000000 --- a/distrib/sdl-1.2.12/src/video/fbcon/SDL_fbriva.c +++ /dev/null @@ -1,222 +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_fbriva.h" -#include "riva_mmio.h" -#include "riva_regs.h" - - -static int FifoEmptyCount = 0; -static int FifoFreeCount = 0; - -/* Wait for vertical retrace */ -static void WaitVBL(_THIS) -{ - volatile Uint8 *port = (Uint8 *)(mapped_io + PCIO_OFFSET + 0x3DA); - - while ( (*port & 0x08) ) - ; - while ( !(*port & 0x08) ) - ; -} -static void NV3WaitIdle(_THIS) -{ - RivaRop *Rop = (RivaRop *)(mapped_io + ROP_OFFSET); - while ( (Rop->FifoFree < FifoEmptyCount) || - (*(mapped_io + PGRAPH_OFFSET + 0x000006B0) & 0x01) ) - ; -} -static void NV4WaitIdle(_THIS) -{ - RivaRop *Rop = (RivaRop *)(mapped_io + ROP_OFFSET); - while ( (Rop->FifoFree < FifoEmptyCount) || - (*(mapped_io + PGRAPH_OFFSET + 0x00000700) & 0x01) ) - ; -} - -#if 0 /* Not yet implemented? */ -/* 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 */ -static int SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 value) -{ - return(0); -} -#endif /* Not yet implemented */ - -static int FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color) -{ - int dstX, dstY; - int dstW, dstH; - RivaBitmap *Bitmap = (RivaBitmap *)(mapped_io + BITMAP_OFFSET); - - /* 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); - } - - /* Set up the X/Y base coordinates */ - dstW = rect->w; - dstH = rect->h; - FB_dst_to_xy(this, dst, &dstX, &dstY); - - /* Adjust for the current rectangle */ - dstX += rect->x; - dstY += rect->y; - - RIVA_FIFO_FREE(Bitmap, 1); - Bitmap->Color1A = color; - - RIVA_FIFO_FREE(Bitmap, 2); - Bitmap->UnclippedRectangle[0].TopLeft = (dstX << 16) | dstY; - Bitmap->UnclippedRectangle[0].WidthHeight = (dstW << 16) | dstH; - - 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 srcX, srcY; - int dstX, dstY; - int dstW, dstH; - RivaScreenBlt *Blt = (RivaScreenBlt *)(mapped_io + BLT_OFFSET); - - /* 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) */ - dstW = dstrect->w; - dstH = 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; - - RIVA_FIFO_FREE(Blt, 3); - Blt->TopLeftSrc = (srcY << 16) | srcX; - Blt->TopLeftDst = (dstY << 16) | dstX; - Blt->WidthHeight = (dstH << 16) | dstW; - - 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_RivaAccel(_THIS, __u32 card) -{ - RivaRop *Rop = (RivaRop *)(mapped_io + ROP_OFFSET); - - /* We have hardware accelerated surface functions */ - this->CheckHWBlit = CheckHWBlit; - wait_vbl = WaitVBL; - switch (card) { - case FB_ACCEL_NV3: - wait_idle = NV3WaitIdle; - break; - case FB_ACCEL_NV4: - wait_idle = NV4WaitIdle; - break; - default: - /* Hmm... FIXME */ - break; - } - FifoEmptyCount = Rop->FifoFree; - - /* The Riva has an accelerated color fill */ - this->info.blit_fill = 1; - this->FillHWRect = FillHWRect; - - /* The Riva has accelerated normal and colorkey blits. */ - this->info.blit_hw = 1; -#if 0 /* Not yet implemented? */ - this->info.blit_hw_CC = 1; - this->SetHWColorKey = SetHWColorKey; -#endif - -#if 0 /* Not yet implemented? */ - /* The Riva has an accelerated alpha blit */ - this->info.blit_hw_A = 1; - this->SetHWAlpha = SetHWAlpha; -#endif -} |