From: Maciej Cencora <m.cencora@gmail.com>
Date: Sat, 25 Apr 2009 11:48:53 +0000 (+0200)
Subject: r300: fix point size clamping when point is not attenuated
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=78c0e6aefcef442f035494b6fc9f6b599fe75e7e;p=mesa.git

r300: fix point size clamping when point is not attenuated
---

diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index 9c8b8adbe3b..99441a22fd6 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -728,7 +728,12 @@ static void r300ColorMask(GLcontext * ctx,
 static void r300PointSize(GLcontext * ctx, GLfloat size)
 {
 	r300ContextPtr r300 = R300_CONTEXT(ctx);
-        /* same size limits for AA, non-AA points */
+
+	/* We need to clamp to user defined range here, because
+	 * the HW clamping happens only for per vertex point size. */
+	size = CLAMP(size, ctx->Point.MinSize, ctx->Point.MaxSize);
+
+	/* same size limits for AA, non-AA points */
 	size = CLAMP(size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize);
 
 	R300_STATECHANGE(r300, ps);