From: Corbin Simpson <MostAwesomeDude@gmail.com>
Date: Mon, 18 Aug 2008 23:38:21 +0000 (-0700)
Subject: r5xx: Enable fog options.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=12e84a8b84c331d0afef63e6119fe356c84bf383;p=mesa.git

r5xx: Enable fog options.
This uses fog HW instead of fragment programs.
If it breaks you, let me know!
---

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);