From c5b1972b50a6dbe57c67d3cc88ae010386b908a6 Mon Sep 17 00:00:00 2001
From: Eric Anholt <anholt@freebsd.org>
Date: Wed, 16 Jun 2004 09:23:18 +0000
Subject: DRI XFree86-4_3_99_12-merge import

---
 src/i810_accel.c | 69 ++++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 52 insertions(+), 17 deletions(-)

(limited to 'src/i810_accel.c')

diff --git a/src/i810_accel.c b/src/i810_accel.c
index 660180d9..d8467424 100644
--- a/src/i810_accel.c
+++ b/src/i810_accel.c
@@ -25,7 +25,7 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 **************************************************************************/
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_accel.c,v 1.21 2004/01/02 20:22:17 dawes Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_accel.c,v 1.19 2003/04/24 18:00:24 eich Exp $ */
 
 /*
  * Reformatted with GNU indent (2.2.8), using the following options:
@@ -48,9 +48,47 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include "xf86_ansic.h"
 #include "xf86.h"
-#include "xaarop.h"
+
 #include "i810.h"
 
+static unsigned int i810Rop[16] = {
+   0x00,				/* GXclear      */
+   0x88,				/* GXand        */
+   0x44,				/* GXandReverse */
+   0xCC,				/* GXcopy       */
+   0x22,				/* GXandInvert  */
+   0xAA,				/* GXnoop       */
+   0x66,				/* GXxor        */
+   0xEE,				/* GXor         */
+   0x11,				/* GXnor        */
+   0x99,				/* GXequiv      */
+   0x55,				/* GXinvert     */
+   0xDD,				/* GXorReverse  */
+   0x33,				/* GXcopyInvert */
+   0xBB,				/* GXorInverted */
+   0x77,				/* GXnand       */
+   0xFF					/* GXset        */
+};
+
+static unsigned int i810PatternRop[16] = {
+   0x00,				/* GXclear      */
+   0xA0,				/* GXand        */
+   0x50,				/* GXandReverse */
+   0xF0,				/* GXcopy       */
+   0x0A,				/* GXandInvert  */
+   0xAA,				/* GXnoop       */
+   0x5A,				/* GXxor        */
+   0xFA,				/* GXor         */
+   0x05,				/* GXnor        */
+   0xA5,				/* GXequiv      */
+   0x55,				/* GXinvert     */
+   0xF5,				/* GXorReverse  */
+   0x0F,				/* GXcopyInvert */
+   0xAF,				/* GXorInverted */
+   0x5F,				/* GXnand       */
+   0xFF					/* GXset        */
+};
+
 static void I810SetupForMono8x8PatternFill(ScrnInfoPtr pScrn,
 					   int pattx, int patty,
 					   int fg, int bg, int rop,
@@ -92,7 +130,10 @@ I810AccelInit(ScreenPtr pScreen)
 
    pI810->bufferOffset = 0;
    infoPtr->Flags = LINEAR_FRAMEBUFFER | OFFSCREEN_PIXMAPS;
-   infoPtr->Flags |= PIXMAP_CACHE;
+   /* There is a bit blt bug in 24 bpp.  This is a problem, but
+    * at least without the pixmap cache we can pass the test suite */
+   if (pScrn->depth != 24)
+      infoPtr->Flags |= PIXMAP_CACHE;
 
    /* Sync
     */
@@ -293,7 +334,7 @@ I810SetupForSolidFill(ScrnInfoPtr pScrn, int color, int rop,
 
    /* Color blit, p166 */
    pI810->BR[13] = (BR13_SOLID_PATTERN |
-		    (XAAPatternROP[rop] << 16) |
+		    (i810PatternRop[rop] << 16) |
 		    (pScrn->displayWidth * pI810->cpp));
    pI810->BR[16] = color;
 }
@@ -339,7 +380,7 @@ I810SetupForScreenToScreenCopy(ScrnInfoPtr pScrn, int xdir, int ydir, int rop,
    if (xdir == -1)
       pI810->BR[13] |= BR13_RIGHT_TO_LEFT;
 
-   pI810->BR[13] |= XAACopyROP[rop] << 16;
+   pI810->BR[13] |= i810Rop[rop] << 16;
 
    pI810->BR[18] = 0;
 }
@@ -360,12 +401,9 @@ I810SubsequentScreenToScreenCopy(ScrnInfoPtr pScrn, int x1, int y1,
      * This was developed empirically so it may not catch all
      * cases.
      */
-#define I810_MWIDTH 8
-
     if ( !(pI810->BR[13] & BR13_RIGHT_TO_LEFT) && (y2 - y1) < 3 
-	 && (y2 - y1) >= 0 && (x2 - x1) <= (w + I810_MWIDTH)
-	 && (w > I810_MWIDTH))
-	w = I810_MWIDTH;
+	 && (y2 - y1) >= 0 && (x2 - x1) <= (w + 4) && (w > 4))
+	w = 4;
     do {
 
 	if (pI810->BR[13] & BR13_PITCH_SIGN_BIT) {
@@ -403,10 +441,7 @@ I810SubsequentScreenToScreenCopy(ScrnInfoPtr pScrn, int x1, int y1,
 	    break;
 	x2 += w;
 	x1 += w;
-	if (w_back > I810_MWIDTH)
-	    w = I810_MWIDTH;
-	else
-	    w = w_back;
+	w = w_back;
     }  while (1);
 }
 
@@ -425,9 +460,9 @@ I810SetupForMono8x8PatternFill(ScrnInfoPtr pScrn, int pattx, int patty,
    pI810->BR[18] = bg;
    pI810->BR[19] = fg;
    pI810->BR[13] = (pScrn->displayWidth * pI810->cpp);
-   pI810->BR[13] |= XAAPatternROP[rop] << 16;
+   pI810->BR[13] |= i810PatternRop[rop] << 16;
    if (bg == -1)
-      pI810->BR[13] |= BR13_MONO_PATN_TRANS;
+      pI810->BR[13] |= BR13_MONO_TRANSPCY;
 }
 
 static void
@@ -489,7 +524,7 @@ I810SetupForScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn,
 	     fg, bg, rop, planemask);
 
    pI810->BR[13] = (pScrn->displayWidth * pI810->cpp);
-   pI810->BR[13] |= XAACopyROP[rop] << 16;
+   pI810->BR[13] |= i810Rop[rop] << 16;
    pI810->BR[13] |= (1 << 27);
    if (bg == -1)
       pI810->BR[13] |= BR13_MONO_TRANSPCY;
-- 
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