From 79ad6f5375253faff89bbc7eb6dc5949ba63e0ef Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Fri, 25 Feb 2011 09:14:53 +1000 Subject: [PATCH] r300g: explicit sign bits on RGTC textures --- src/gallium/drivers/r300/r300_texture.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c index 354144cac79..2db5ab9a287 100644 --- a/src/gallium/drivers/r300/r300_texture.c +++ b/src/gallium/drivers/r300/r300_texture.c @@ -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. */ -- 2.30.2