nvfx: draw: emit color as floating point

Don't lose precision by converting to u8.

diff --git a/src/gallium/drivers/nvfx/nvfx_draw.c b/src/gallium/drivers/nvfx/nvfx_draw.c
index 4e0575885d5066bf7fc3cba289ba68c19dd92b1f..aea0baadf91afb1b2183eed08f5578dc7bab5127 100644 (file)
--- a/src/gallium/drivers/nvfx/nvfx_draw.c
+++ b/src/gallium/drivers/nvfx/nvfx_draw.c
@@ -324,7 +324,7 @@ nvfx_state_vtxfmt_validate(struct nvfx_context *nvfx)
        for (i = 0; i < 2; i++) {
                if (!(colour & (1 << i)))
                        continue;
-               emit_attrib(nvfx, 3 + i, EMIT_4UB, TGSI_SEMANTIC_COLOR, i);
+               emit_attrib(nvfx, 3 + i, EMIT_4F, TGSI_SEMANTIC_COLOR, i);
        }
 
        for (i = 0; i < 8; i++) {