From: Brian <brian.paul@tungstengraphics.com>
Date: Tue, 22 May 2007 16:07:49 +0000 (-0600)
Subject: don't treat FRAG_BIT_WPOS as a generic attribute (fixes depth peel regression)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=04255489617f6eeb9604daba14efed8376d1d824;p=mesa.git

don't treat FRAG_BIT_WPOS as a generic attribute (fixes depth peel regression)
---

diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index d4321194a06..f373fde781b 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -549,6 +549,7 @@ _swrast_update_fragment_attribs(GLcontext *ctx)
    if (ctx->FragmentProgram._Current) {
       /* fragment program/shader */
       attribsMask = ctx->FragmentProgram._Current->Base.InputsRead;
+      attribsMask &= ~FRAG_BIT_WPOS; /* WPOS is always handled specially */
    }
    else if (ctx->ATIFragmentShader._Enabled) {
       attribsMask = ~0;  /* XXX fix me */