From: Marek Olšák <maraeo@gmail.com>
Date: Sun, 17 Jan 2010 13:54:35 +0000 (+0100)
Subject: r300g: fix vertex data swizzle
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d3d41cbc3504536c2d2dfa2faaae86b2ae5eb670;p=mesa.git

r300g: fix vertex data swizzle
---

diff --git a/src/gallium/drivers/r300/r300_state_inlines.h b/src/gallium/drivers/r300/r300_state_inlines.h
index a9ee0a26f14..e2180b33b77 100644
--- a/src/gallium/drivers/r300/r300_state_inlines.h
+++ b/src/gallium/drivers/r300/r300_state_inlines.h
@@ -551,7 +551,11 @@ r300_translate_vertex_data_swizzle(enum pipe_format format) {
     /* Swizzles for 8bits formats are in the reversed order, not sure why. */
     if (desc->channel[0].size == 8) {
         for (i = 0; i < 4; i++) {
-            swizzle[i] = 3 - desc->swizzle[i];
+            if (desc->swizzle[i] <= 3) {
+                swizzle[i] = 3 - desc->swizzle[i];
+            } else {
+                swizzle[i] = desc->swizzle[i];
+            }
         }
     } else {
         for (i = 0; i < 4; i++) {