From: Aapo Tahkola <aet@rasterburn.org>
Date: Sat, 14 May 2005 17:41:57 +0000 (+0000)
Subject: Make gleans polyoffset test happy.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=aca2e0da3cd1e394673913b2a02ab85396a368a2;p=mesa.git

Make gleans polyoffset test happy.
---

diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index 16077560965..b1c1bdef237 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -975,9 +975,18 @@ static void r300DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval)
 static void r300PolygonOffset(GLcontext * ctx, GLfloat factor, GLfloat units)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
-	GLfloat constant = units * /*rmesa->state.depth.scale*/4;
+	GLfloat constant = units;
+	
+	switch (ctx->Visual.depthBits) {
+	case 16:
+		constant *= 4.0;
+	break;
+	case 24:
+		constant *= 2.0;
+	break;
+	}
 
-	factor *= 12;
+	factor *= 12.0;
 
 /*    fprintf(stderr, "%s f:%f u:%f\n", __FUNCTION__, factor, constant); */