glamor: All the fallbacks in the world.

Bringup is really not flying when I can't see anything.  So dump back
to all software so I can turn on a bit at a time.

glamor/glamor_copyarea.c

@@ -79,6 +79,8 @@ glamor_copy_area(DrawablePtr src, DrawablePtr dst, GCPtr gc,
     glamor_pixmap_private *src_priv = glamor_get_pixmap_private(src_pixmap);
     RegionPtr region;
 
+    goto fail;
+
     if (!GLEW_EXT_framebuffer_blit) {
 	glamor_fallback("glamor_copy_area(): "
 			"EXT_framebuffer_blit unsupported\n");

glamor/glamor_fill.c

@@ -42,6 +42,8 @@ glamor_fill(DrawablePtr drawable,
 {
     PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(drawable);
 
+    assert(0);
+
     switch (gc->fillStyle) {
     case FillSolid:
 	glamor_solid(dst_pixmap,

glamor/glamor_fillspans.c

@@ -45,6 +45,8 @@ glamor_fill_spans(DrawablePtr drawable,
     int fullX1, fullX2, fullY1;
     int partX1, partX2;
 
+    goto fail;
+
     extents = REGION_EXTENTS(gc->pScreen, clip);
     extentX1 = extents->x1;
     extentY1 = extents->y1;
@@ -97,4 +99,15 @@ glamor_fill_spans(DrawablePtr drawable,
 	    }
 	}
     }
+    return;
+fail:
+    glamor_fallback("to %p (%c)\n", drawable,
+		    glamor_get_drawable_location(drawable));
+    if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RW)) {
+	if (glamor_prepare_access_gc(gc)) {
+	    fbFillSpans(drawable, gc, n, points, widths, sorted);
+	    glamor_finish_access_gc(gc);
+	}
+	glamor_finish_access(drawable);
+    }
 }

glamor/glamor_getspans.c

@@ -56,6 +56,8 @@ glamor_get_spans(DrawablePtr drawable,
     int i, j;
     uint8_t *temp_dst = NULL, *readpixels_dst = (uint8_t *)dst;
 
+    goto fail;
+
     switch (drawable->depth) {
     case 1:
 	temp_dst = xalloc(wmax);

glamor/glamor_polyfillrect.c

@@ -52,6 +52,8 @@ glamor_poly_fill_rect(DrawablePtr drawable,
     int		    xorg, yorg;
     int		    n;
 
+    goto fail;
+
     xorg = drawable->x;
     yorg = drawable->y;
 
@@ -115,4 +117,17 @@ glamor_poly_fill_rect(DrawablePtr drawable,
 	    }
 	}
     }
+    return;
+
+fail:
+    glamor_fallback("glamor_poly_fill_rect() to %p (%c)\n",
+		    drawable, glamor_get_drawable_location(drawable));
+
+    if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RW)) {
+	if (glamor_prepare_access_gc(gc)) {
+	    fbPolyFillRect(drawable, gc, nrect, prect );
+	    glamor_finish_access_gc(gc);
+	}
+	glamor_finish_access(drawable);
+    }
 }

glamor/glamor_putimage.c

@@ -245,6 +245,8 @@ glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
     int bpp = drawable->bitsPerPixel;
     int src_stride = PixmapBytePad(w, drawable->depth);
 
+    goto fail;
+
     if (!glamor_set_destination_pixmap(pixmap)) {
 	fbPutImage(drawable, gc, depth, x, y, w, h, left_pad,
 		   image_format, bits);

glamor/glamor_render.c

@@ -424,6 +424,8 @@ glamor_composite(CARD8 op,
     RegionRec region;
     int i;
 
+    goto fail;
+
     /* Do two-pass PictOpOver componentAlpha, until we enable
      * dual source color blending.
      */

glamor/glamor_setspans.c

@@ -43,6 +43,8 @@ glamor_set_spans(DrawablePtr drawable, GCPtr gc, char *src,
     RegionPtr clip = fbGetCompositeClip(gc);
     BoxRec *pbox;
 
+    goto fail;
+
     for (i = 0 ; i < n; i++) {
 	if (wmax < widths[i])
 	    wmax = widths[i];