From 7269a30b86745a29bb575ce3545ab82e6514ce2a Mon Sep 17 00:00:00 2001
From: Francisco Jerez <currojerez@riseup.net>
Date: Tue, 23 Feb 2010 16:15:14 +0100
Subject: dri/nouveau: Restructure the nv[12]0 regcombiner code, and fake A8/L8
 support.

---
 src/mesa/drivers/dri/nouveau/nouveau_util.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/mesa/drivers/dri/nouveau/nouveau_util.h')

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_util.h b/src/mesa/drivers/dri/nouveau/nouveau_util.h
index 076f225fed..d6007aba2b 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_util.h
+++ b/src/mesa/drivers/dri/nouveau/nouveau_util.h
@@ -173,4 +173,22 @@ OUT_RINGm(struct nouveau_channel *chan, float m[16])
 			OUT_RINGf(chan, m[4*j + i]);
 }
 
+static inline GLboolean
+is_color_operand(int op)
+{
+	return op == GL_SRC_COLOR || op == GL_ONE_MINUS_SRC_COLOR;
+}
+
+static inline GLboolean
+is_negative_operand(int op)
+{
+	return op == GL_ONE_MINUS_SRC_COLOR || op == GL_ONE_MINUS_SRC_ALPHA;
+}
+
+static inline GLboolean
+is_texture_source(int s)
+{
+	return s == GL_TEXTURE || (s >= GL_TEXTURE0 && s <= GL_TEXTURE31);
+}
+
 #endif
-- 
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