Patch was mangled, resent attached.
diff --git a/src/gallium/drivers/nv04/nv04_surface_2d.c b/src/gallium/drivers/nv04/nv04_surface_2d.c
index 12df7fd..40b538f 100644
--- a/src/gallium/drivers/nv04/nv04_surface_2d.c
+++ b/src/gallium/drivers/nv04/nv04_surface_2d.c
@@ -77,7 +77,7 @@ nv04_scaled_image_format(enum pipe_format format)
}
static INLINE unsigned
-nv04_swizzle_bits(unsigned x, unsigned y)
+nv04_swizzle_bits_square(unsigned x, unsigned y)
{
unsigned u = (x & 0x001) << 0 |
(x & 0x002) << 1 |
@@ -107,6 +107,15 @@ nv04_swizzle_bits(unsigned x, unsigned y)
return v | u;
}
+/* rectangular swizzled textures are linear concatenations of swizzled square tiles */
+static INLINE unsigned
+nv04_swizzle_bits(unsigned x, unsigned y, unsigned w, unsigned h)
+{
+ unsigned s = MIN2(w, h);
+ unsigned m = s - 1;
+ return (((x | y) & ~m) * s) | nv04_swizzle_bits_square(x & m, y & m);
+}
+
static int
nv04_surface_copy_swizzle(struct nv04_surface_2d *ctx,
struct pipe_surface *dst, int dx, int dy,
@@ -159,10 +168,10 @@ nv04_surface_copy_swizzle(struct nv04_surface_2d *ctx,
sub_w = MIN2(sub_w, w - x);
/* Must be 64-byte aligned */
- assert(!((dst->offset + nv04_swizzle_bits(dx+x, dy+y) * util_format_get_blocksize(dst->texture->format)) & 63));
+ assert(!((dst->offset + nv04_swizzle_bits(dx+x, dy+y, w, h) * util_format_get_blocksize(dst->texture->format)) & 63));
BEGIN_RING(chan, swzsurf, NV04_SWIZZLED_SURFACE_OFFSET, 1);
- OUT_RELOCl(chan, dst_bo, dst->offset + nv04_swizzle_bits(dx+x, dy+y) * util_format_get_blocksize(dst->texture->format),
+ OUT_RELOCl(chan, dst_bo, dst->offset + nv04_swizzle_bits(dx+x, dy+y, w, h) * util_format_get_blocksize(dst->texture->format),
NOUVEAU_BO_GART | NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
BEGIN_RING(chan, sifm, NV04_SCALED_IMAGE_FROM_MEMORY_COLOR_CONVERSION, 9);
_______________________________________________
Nouveau mailing list
Nouveau@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/nouveau
