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glsl: Add support for int -> uint implicit conversions

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This is required for ARB_gpu_shader5.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Chris Forbes 2014-05-04 20:23:55 +12:00
parent 1ace51f091
commit 240974e93f
1 changed files with 8 additions and 0 deletions
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8
src/glsl/ast_to_hir.cpp
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@ -176,6 +176,14 @@ get_conversion_operation(const glsl_type *to, const glsl_type *from,
default: return (ir_expression_operation)0;
}
case GLSL_TYPE_UINT:
if (!state->is_version(400, 0) && !state->ARB_gpu_shader5_enable)
return (ir_expression_operation)0;
switch (from->base_type) {
case GLSL_TYPE_INT: return ir_unop_i2u;
default: return (ir_expression_operation)0;
}
default: return (ir_expression_operation)0;
}
}