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authormarha <marha@users.sourceforge.net>2011-09-22 15:20:09 +0200
committermarha <marha@users.sourceforge.net>2011-09-22 15:20:09 +0200
commitc1e6c7428a8d2c1b60ffac7df7a3f56c300fa983 (patch)
tree8874978d314129a4f47ee575b076c2d8eb1a8738 /mesalib/src/mesa/main/state.c
parent37466741e35c5eb3b204863a5023bf8d192efc06 (diff)
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libxtrans libX11 libX11 libXext mesa xserver git update 22 sep 2011
Diffstat (limited to 'mesalib/src/mesa/main/state.c')
-rw-r--r--mesalib/src/mesa/main/state.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/mesalib/src/mesa/main/state.c b/mesalib/src/mesa/main/state.c
index 9d9c952dc..fc25515a0 100644
--- a/mesalib/src/mesa/main/state.c
+++ b/mesalib/src/mesa/main/state.c
@@ -447,7 +447,20 @@ update_clamp_read_color(struct gl_context *ctx)
ctx->Color._ClampReadColor = ctx->Color.ClampReadColor;
}
-
+/**
+ * Update the ctx->VertexProgram._TwoSideEnabled flag.
+ */
+static void
+update_twoside(struct gl_context *ctx)
+{
+ if (ctx->Shader.CurrentVertexProgram ||
+ ctx->VertexProgram.Current) {
+ ctx->VertexProgram._TwoSideEnabled = ctx->VertexProgram.TwoSideEnabled;
+ } else {
+ ctx->VertexProgram._TwoSideEnabled = (ctx->Light.Enabled &&
+ ctx->Light.Model.TwoSide);
+ }
+}
/*
@@ -603,6 +616,9 @@ _mesa_update_state_locked( struct gl_context *ctx )
if (new_state & _NEW_LIGHT)
_mesa_update_lighting( ctx );
+ if (new_state & (_NEW_LIGHT | _NEW_PROGRAM))
+ update_twoside( ctx );
+
if (new_state & (_NEW_LIGHT | _NEW_BUFFERS))
update_clamp_vertex_color(ctx);