Mesa (gallium-0.2): nouveau: nv30 does not support separate blend functions for alpha and rgb

[Patrice Mandin]

Module: Mesa
Branch: gallium-0.2
Commit: bcb5ea097c11e3776070f30b00fcf6c5fac62df3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=bcb5ea097c11e3776070f30b00fcf6c5fac62df3

Author: Patrice Mandin <patmandin at gmail.com>
Date:   Wed Jan 21 21:59:10 2009 +0100

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

---

 src/gallium/drivers/nv30/nv30_state.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/nv30/nv30_state.c b/src/gallium/drivers/nv30/nv30_state.c
index fc66075..47e1a62 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);