svn merge ^/branches/released .

1 files changed, 126 insertions, 75 deletions

diff --git a/xorg-server/fb/fbtrap.c b/xorg-server/fb/fbtrap.c
index e52f84cd7..2f23d8564 100644
--- a/xorg-server/fb/fbtrap.c
+++ b/xorg-server/fb/fbtrap.c
@@ -65,32 +65,6 @@ fbRasterizeTrapezoid (PicturePtr    pPicture,
     free_pixman_pict (pPicture, image);

 }

 

-static int

-_GreaterY (xPointFixed *a, xPointFixed *b)

-{

-    if (a->y == b->y)

-	return a->x > b->x;

-    return a->y > b->y;

-}

-

-/*

- * Note that the definition of this function is a bit odd because

- * of the X coordinate space (y increasing downwards).

- */

-static int

-_Clockwise (xPointFixed *ref, xPointFixed *a, xPointFixed *b)

-{

-    xPointFixed	ad, bd;

-

-    ad.x = a->x - ref->x;

-    ad.y = a->y - ref->y;

-    bd.x = b->x - ref->x;

-    bd.y = b->y - ref->y;

-

-    return ((xFixed_32_32) bd.y * ad.x - (xFixed_32_32) ad.y * bd.x) < 0;

-}

-

-/* FIXME -- this could be made more efficient */

 void

 fbAddTriangles (PicturePtr  pPicture,

 		INT16	    x_off,

@@ -98,62 +72,139 @@ fbAddTriangles (PicturePtr  pPicture,
 		int	    ntri,

 		xTriangle *tris)

 {

-    xPointFixed	  *top, *left, *right, *tmp;

-    xTrapezoid	    trap;

+    int image_xoff, image_yoff;

+    pixman_image_t *image =

+	image_from_pict (pPicture, FALSE, &image_xoff, &image_yoff);

+

+    if (!image)

+	return;

+    

+    pixman_add_triangles (image, x_off, y_off, ntri, (pixman_triangle_t *)tris);

+

+    free_pixman_pict (pPicture, image);

+}

+

+typedef void (* CompositeShapesFunc) (pixman_op_t op,

+				      pixman_image_t *src,

+				      pixman_image_t *dst,

+				      pixman_format_code_t mask_format,

+				      int x_src, int y_src,

+				      int x_dst, int y_dst,

+				      int n_shapes, const uint8_t *shapes);

+

+static void

+fbShapes (CompositeShapesFunc	composite,

+	  pixman_op_t		op,

+	  PicturePtr		pSrc,

+	  PicturePtr		pDst,

+	  PictFormatPtr		maskFormat,

+	  int16_t		xSrc,

+	  int16_t		ySrc,

+	  int16_t		xDst,

+	  int16_t		yDst,

+	  int			nshapes,

+	  int			shape_size,

+	  const uint8_t *	shapes)

+{

+    pixman_image_t *src, *dst;

+    int src_xoff, src_yoff;

+    int dst_xoff, dst_yoff;

+

+    src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff);

+    dst = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff);

 

-    for (; ntri; ntri--, tris++)

+    if (src && dst)

     {

-	top = &tris->p1;

-	left = &tris->p2;

-	right = &tris->p3;

-	if (_GreaterY (top, left)) {

-	    tmp = left; left = top; top = tmp;

-	}

-	if (_GreaterY (top, right)) {

-	    tmp = right; right = top; top = tmp;

-	}

-	if (_Clockwise (top, right, left)) {

-	    tmp = right; right = left; left = tmp;

-	}

-	

-	/*

-	 * Two cases:

-	 *

-	 *		+		+

-	 *	       / \             / \

-	 *	      /   \           /   \

-	 *	     /     +         +     \

-	 *      /    --           --    \

-	 *     /   --               --   \

-	 *    / ---                   --- \

-	 *	 +--                         --+

-	 */

-	

-	trap.top = top->y;

-	trap.left.p1 = *top;

-	trap.left.p2 = *left;

-	trap.right.p1 = *top;

-	trap.right.p2 = *right;

-	if (right->y < left->y)

-	    trap.bottom = right->y;

-	else

-	    trap.bottom = left->y;

-	fbRasterizeTrapezoid (pPicture, &trap, x_off, y_off);

-	if (right->y < left->y)

+	pixman_format_code_t format;

+

+	if (!maskFormat)

 	{

-	    trap.top = right->y;

-	    trap.bottom = left->y;

-	    trap.right.p1 = *right;

-	    trap.right.p2 = *left;

+	    int i;

+

+	    if (pDst->polyEdge == PolyEdgeSharp)

+		format = PIXMAN_a1;

+	    else

+		format = PIXMAN_a8;

+

+	    for (i = 0; i < nshapes; ++i)

+	    {

+		composite (op, src, dst, format,

+			   xSrc + src_xoff,

+			   ySrc + src_yoff,

+			   xDst + dst_xoff,

+			   yDst + dst_yoff,

+			   1, shapes + i * shape_size);

+	    }

 	}

 	else

 	{

-	    trap.top = left->y;

-	    trap.bottom = right->y;

-	    trap.left.p1 = *left;

-	    trap.left.p2 = *right;

+	    switch (PICT_FORMAT_A (maskFormat->format))

+	    {

+	    case 1:

+		format = PIXMAN_a1;

+		break;

+

+	    case 4:

+		format = PIXMAN_a4;

+		break;

+

+	    default:

+	    case 8:

+		format = PIXMAN_a8;

+		break;

+	    }

+	    

+	    composite (op, src, dst, format,

+		       xSrc + src_xoff,

+		       ySrc + src_yoff,

+		       xDst + dst_xoff,

+		       yDst + dst_yoff,

+		       nshapes, shapes);

 	}

-	fbRasterizeTrapezoid (pPicture, &trap, x_off, y_off);

     }

+

+    free_pixman_pict (pSrc, src);

+    free_pixman_pict (pDst, dst);

 }

 

+void

+fbTrapezoids (CARD8	    op,

+	      PicturePtr    pSrc,

+	      PicturePtr    pDst,

+	      PictFormatPtr maskFormat,

+	      INT16	    xSrc,

+	      INT16	    ySrc,

+	      int	    ntrap,

+	      xTrapezoid    *traps)

+{

+    int xDst, yDst;

+

+    xDst = traps[0].left.p1.x >> 16;

+    yDst = traps[0].left.p1.y >> 16;

+    

+    fbShapes ((CompositeShapesFunc)pixman_composite_trapezoids,

+	      op, pSrc, pDst, maskFormat,

+	      xSrc, ySrc, xDst, yDst,

+	      ntrap, sizeof (xTrapezoid), (const uint8_t *)traps);

+}

+

+void

+fbTriangles (CARD8	    op,

+	     PicturePtr    pSrc,

+	     PicturePtr    pDst,

+	     PictFormatPtr maskFormat,

+	     INT16	    xSrc,

+	     INT16	    ySrc,

+	     int	    ntris,

+	     xTriangle    *tris)

+{ 

+    int xDst, yDst;

+

+    xDst = tris[0].p1.x >> 16;

+    yDst = tris[0].p1.y >> 16;

+    

+    fbShapes ((CompositeShapesFunc)pixman_composite_triangles,

+	      op, pSrc, pDst, maskFormat,

+	      xSrc, ySrc, xDst, yDst,

+	      ntris, sizeof (xTriangle), (const uint8_t *)tris);

+}