diff src/video/fbcon/SDL_fbriva.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_fbriva.c	Thu Jul 06 18:01:37 2006 +0000
+++ b/src/video/fbcon/SDL_fbriva.c	Mon Jul 10 21:04:37 2006 +0000
@@ -32,191 +32,198 @@
 static int FifoFreeCount = 0;
 
 /* Wait for vertical retrace */
-static void WaitVBL(_THIS)
+static void
+WaitVBL(_THIS)
 {
-	volatile Uint8 *port = (Uint8 *)(mapped_io + PCIO_OFFSET + 0x3DA);
+    volatile Uint8 *port = (Uint8 *) (mapped_io + PCIO_OFFSET + 0x3DA);
 
-	while (  (*port & 0x08) )
-		;
-	while ( !(*port & 0x08) )
-		;
+    while ((*port & 0x08));
+    while (!(*port & 0x08));
 }
-static void NV3WaitIdle(_THIS)
+static void
+NV3WaitIdle(_THIS)
 {
-	RivaRop *Rop = (RivaRop *)(mapped_io + ROP_OFFSET);
-	while ( (Rop->FifoFree < FifoEmptyCount) ||
-	        (*(mapped_io + PGRAPH_OFFSET + 0x000006B0) & 0x01) )
-		;
+    RivaRop *Rop = (RivaRop *) (mapped_io + ROP_OFFSET);
+    while ((Rop->FifoFree < FifoEmptyCount) ||
+           (*(mapped_io + PGRAPH_OFFSET + 0x000006B0) & 0x01));
 }
-static void NV4WaitIdle(_THIS)
+static void
+NV4WaitIdle(_THIS)
 {
-	RivaRop *Rop = (RivaRop *)(mapped_io + ROP_OFFSET);
-	while ( (Rop->FifoFree < FifoEmptyCount) ||
-	        (*(mapped_io + PGRAPH_OFFSET + 0x00000700) & 0x01) )
-		;
+    RivaRop *Rop = (RivaRop *) (mapped_io + ROP_OFFSET);
+    while ((Rop->FifoFree < FifoEmptyCount) ||
+           (*(mapped_io + PGRAPH_OFFSET + 0x00000700) & 0x01));
 }
 
-#if 0 /* Not yet implemented? */
+#if 0                           /* Not yet implemented? */
 /* 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 */
-static int SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 value)
+static int
+SetHWAlpha(_THIS, SDL_Surface * surface, Uint8 value)
 {
-	return(0);
+    return (0);
 }
 #endif /* Not yet implemented */
 
-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;
-	int dstW, dstH;
-	RivaBitmap *Bitmap = (RivaBitmap *)(mapped_io + BITMAP_OFFSET);
+    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);
-	}
+    /* 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);
+    /* 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;
+    /* Adjust for the current rectangle */
+    dstX += rect->x;
+    dstY += rect->y;
 
-	RIVA_FIFO_FREE(Bitmap, 1);
-	Bitmap->Color1A = color;
+    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;
+    RIVA_FIFO_FREE(Bitmap, 2);
+    Bitmap->UnclippedRectangle[0].TopLeft = (dstX << 16) | dstY;
+    Bitmap->UnclippedRectangle[0].WidthHeight = (dstW << 16) | dstH;
 
-	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 srcX, srcY;
-	int dstX, dstY;
-	int dstW, dstH;
-	RivaScreenBlt *Blt = (RivaScreenBlt *)(mapped_io + BLT_OFFSET);
+    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));
-	}
+    /* 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) */
-	dstW = dstrect->w;
-	dstH = 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) */
+    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;
+    /* 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;
+    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);
+    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_RivaAccel(_THIS, __u32 card)
+void
+FB_RivaAccel(_THIS, __u32 card)
 {
-	RivaRop *Rop = (RivaRop *)(mapped_io + ROP_OFFSET);
+    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;
+    /* 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 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;
+    /* 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;
+#if 0                           /* Not yet implemented? */
+    /* The Riva has an accelerated alpha blit */
+    this->info.blit_hw_A = 1;
+    this->SetHWAlpha = SetHWAlpha;
 #endif
 }
+
+/* vi: set ts=4 sw=4 expandtab: */