r300g: explicit sign bits on RGTC textures

2011-02-25 09:14:53 +10:00
parent e6e5c1f46d
commit 79ad6f5375
1 changed files with 4 additions and 2 deletions
@@ -214,11 +214,13 @@ uint32_t r300_translate_texformat(enum pipe_format format,
    /* RGTC formats. */
    if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
        switch (format) {
-            case PIPE_FORMAT_RGTC1_UNORM:
            case PIPE_FORMAT_RGTC1_SNORM:
+                result |= sign_bit[0];
+            case PIPE_FORMAT_RGTC1_UNORM:
                return R500_TX_FORMAT_ATI1N | result;
-            case PIPE_FORMAT_RGTC2_UNORM:
            case PIPE_FORMAT_RGTC2_SNORM:
+                result |= sign_bit[0] | sign_bit[1];
+            case PIPE_FORMAT_RGTC2_UNORM:
                return R400_TX_FORMAT_ATI2N | result;
            default:
                return ~0; /* Unsupported/unknown. */