diff options
Diffstat (limited to 'mesalib/src/glsl/linker.cpp')
-rw-r--r-- | mesalib/src/glsl/linker.cpp | 31 |
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(); } |