Mercurial > sdl-ios-xcode
diff src/video/fbcon/SDL_fbmatrox.c @ 1895:c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 10 Jul 2006 21:04:37 +0000 |
parents | 7a36f01acf71 |
children | e1da92da346c |
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--- a/src/video/fbcon/SDL_fbmatrox.c Thu Jul 06 18:01:37 2006 +0000 +++ b/src/video/fbcon/SDL_fbmatrox.c Mon Jul 10 21:04:37 2006 +0000 @@ -28,253 +28,257 @@ /* Wait for vertical retrace - taken from the XFree86 Matrox driver */ -static void WaitVBL(_THIS) +static void +WaitVBL(_THIS) { - int count; + 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 ) - ; + /* 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) +static void +WaitIdle(_THIS) { - mga_waitidle(); + mga_waitidle(); } /* Sets video mem colorkey and accelerated blit function */ -static int SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key) +static int +SetHWColorKey(_THIS, SDL_Surface * surface, Uint32 key) { - return(0); + return (0); } /* Sets per surface hardware alpha value */ #if 0 -static int SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 value) +static int +SetHWAlpha(_THIS, SDL_Surface * surface, Uint8 value) { - return(0); + return (0); } #endif -static int FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color) +static int +FillHWRect(_THIS, SDL_Surface * dst, SDL_Rect * rect, Uint32 color) { - int dstX, dstY; - Uint32 fxbndry; - Uint32 ydstlen; - Uint32 fillop; + 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); - } + /* 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; - } + 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); + /* 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; + /* 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 X boundaries */ + fxbndry = (dstX | ((dstX + rect->w) << 16)); - /* Set up the Y boundaries */ - ydstlen = (rect->h | (dstY << 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; + /* 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); + /* 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); + FB_AddBusySurface(dst); - if ( dst == this->screen ) { - SDL_mutexV(hw_lock); - } - return(0); + 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) +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; + 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)); - } + /* 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); - } + /* 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); + /* 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; + /* 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 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 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; + /* 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; + 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); + 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); + FB_AddBusySurface(src); + FB_AddBusySurface(dst); - if ( dst == this->screen ) { - SDL_mutexV(hw_lock); - } - return(0); + if (dst == this->screen) { + SDL_mutexV(hw_lock); + } + return (0); } -static int CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst) +static int +CheckHWBlit(_THIS, SDL_Surface * src, SDL_Surface * dst) { - int accelerated; + int accelerated; - /* Set initial acceleration on */ - src->flags |= SDL_HWACCEL; + /* 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; - } - } + /* 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); + /* 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) +void +FB_MatroxAccel(_THIS, __u32 card) { - /* We have hardware accelerated surface functions */ - this->CheckHWBlit = CheckHWBlit; - wait_vbl = WaitVBL; - wait_idle = WaitIdle; + /* 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 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; - } + /* 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 } + +/* vi: set ts=4 sw=4 expandtab: */