From 12e84a8b84c331d0afef63e6119fe356c84bf383 Mon Sep 17 00:00:00 2001
From: Corbin Simpson <MostAwesomeDude@gmail.com>
Date: Mon, 18 Aug 2008 16:38:21 -0700
Subject: [PATCH] r5xx: Enable fog options. This uses fog HW instead of
 fragment programs. If it breaks you, let me know!

---
 src/mesa/drivers/dri/r300/r300_state.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index cce07d338bb..d71e4f6fe9c 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -2622,6 +2622,14 @@ static void r500SetupPixelShader(r300ContextPtr rmesa)
 	}
 	code = &fp->code;
 
+	if (fp->mesa_program.FogOption != GL_NONE) {
+		/* Enable HW fog.
+		 * (Anybody sane remembered to set glFog() opts first! */
+		ctx->Fog.Enabled = GL_TRUE;
+		ctx->Fog.Mode = fp->mesa_program.FogOption;
+		r300SetFogState(ctx, GL_TRUE);
+	}
+
 	r300SetupTextures(ctx);
 
 	R300_STATECHANGE(rmesa, fp);
-- 
2.30.2