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glsl: add ir reader support for ir_barrier

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Picked from the tessellation branch.

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Chris Forbes 2014-09-07 19:24:15 +12:00 • committed by Marek Olšák
parent 2f86c22e75
commit fa49536ab1
1 changed files with 15 additions and 0 deletions
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15
src/glsl/ir_reader.cpp
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@ -63,6 +63,7 @@ private:
ir_texture *read_texture(s_expression *);
ir_emit_vertex *read_emit_vertex(s_expression *);
ir_end_primitive *read_end_primitive(s_expression *);
ir_barrier *read_barrier(s_expression *);
ir_dereference *read_dereference(s_expression *);
ir_dereference_variable *read_var_ref(s_expression *);
@ -375,6 +376,8 @@ ir_reader::read_instruction(s_expression *expr, ir_loop *loop_ctx)
inst = read_emit_vertex(list);
} else if (strcmp(tag->value(), "end-primitive") == 0) {
inst = read_end_primitive(list);
} else if (strcmp(tag->value(), "barrier") == 0) {
inst = read_barrier(list);
} else {
inst = read_rvalue(list);
if (inst == NULL)
@ -1142,3 +1145,15 @@ ir_reader::read_end_primitive(s_expression *expr)
ir_read_error(NULL, "when reading end-primitive");
return NULL;
}
ir_barrier *
ir_reader::read_barrier(s_expression *expr)
{
s_pattern pat[] = { "barrier" };
if (MATCH(expr, pat)) {
return new(mem_ctx) ir_barrier();
}
ir_read_error(NULL, "when reading barrier");
return NULL;
}