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authormarha <marha@users.sourceforge.net>2013-09-18 08:03:04 +0200
committermarha <marha@users.sourceforge.net>2013-09-18 08:03:04 +0200
commit7f669a708bd35bdf8e842f762ec68f9ad0ec0486 (patch)
tree332fc6d6e6f70503d717249e4e387bf3eea29637 /mesalib/src/glsl/linker.cpp
parenta7d3f63ee5e292379ed6d6eba0c65512205a4786 (diff)
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libX11 mesa pixman xserver git update 18 Sep 2013
xserver commit 8010d3a48bd0b224dcb0883e39c2351ad364d846 libX11 commit 5dcb40f28d59587597d2ff6e6ac64c71cfe6ff7b pixman commit 58a79dfe6d1fd62c2b66c69fdb64f6b8ecf61da5 mesa commit a3b51a22f71819236baa6bbda9d0d050914b149d
Diffstat (limited to 'mesalib/src/glsl/linker.cpp')
-rw-r--r--mesalib/src/glsl/linker.cpp31
1 files changed, 31 insertions, 0 deletions
diff --git a/mesalib/src/glsl/linker.cpp b/mesalib/src/glsl/linker.cpp
index 65afc2e69..8a143fddf 100644
--- a/mesalib/src/glsl/linker.cpp
+++ b/mesalib/src/glsl/linker.cpp
@@ -249,6 +249,33 @@ public:
};
+/**
+ * Visitor that determines whether or not a shader uses ir_end_primitive.
+ */
+class find_end_primitive_visitor : public ir_hierarchical_visitor {
+public:
+ find_end_primitive_visitor()
+ : found(false)
+ {
+ /* empty */
+ }
+
+ virtual ir_visitor_status visit(ir_end_primitive *)
+ {
+ found = true;
+ return visit_stop;
+ }
+
+ bool end_primitive_found()
+ {
+ return found;
+ }
+
+private:
+ bool found;
+};
+
+
void
linker_error(gl_shader_program *prog, const char *fmt, ...)
{
@@ -517,6 +544,10 @@ validate_geometry_shader_executable(struct gl_shader_program *prog,
analyze_clip_usage("geometry", prog, shader, &prog->Geom.UsesClipDistance,
&prog->Geom.ClipDistanceArraySize);
+
+ find_end_primitive_visitor end_primitive;
+ end_primitive.run(shader->ir);
+ prog->Geom.UsesEndPrimitive = end_primitive.end_primitive_found();
}