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
line wrap: on
line diff
--- 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: */