From: Patrice Mandin <patmandin@gmail.com>
Date: Wed, 21 Jan 2009 20:59:10 +0000 (+0100)
Subject: nouveau: nv30 does not support separate blend functions for alpha and rgb
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bcb5ea097c11e3776070f30b00fcf6c5fac62df3;p=mesa.git

nouveau: nv30 does not support separate blend functions for alpha and rgb
---

diff --git a/src/gallium/drivers/nv30/nv30_state.c b/src/gallium/drivers/nv30/nv30_state.c
index fc66075c83f..47e1a625afa 100644
--- a/src/gallium/drivers/nv30/nv30_state.c
+++ b/src/gallium/drivers/nv30/nv30_state.c
@@ -23,9 +23,10 @@ nv30_blend_state_create(struct pipe_context *pipe,
 			       nvgl_blend_func(cso->rgb_src_factor));
 		so_data  (so, nvgl_blend_func(cso->alpha_dst_factor) << 16 |
 			      nvgl_blend_func(cso->rgb_dst_factor));
+		/* FIXME: Gallium assumes GL_EXT_blend_func_separate.
+		   It is not the case for NV30 */
 		so_method(so, rankine, NV34TCL_BLEND_EQUATION, 1);
-		so_data  (so, nvgl_blend_eqn(cso->alpha_func) << 16 |
-			      nvgl_blend_eqn(cso->rgb_func));
+		so_data  (so, nvgl_blend_eqn(cso->rgb_func));
 	} else {
 		so_method(so, rankine, NV34TCL_BLEND_FUNC_ENABLE, 1);
 		so_data  (so, 0);