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glsl/lower_precision: Add actual spec quotes for "check_parameters"

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21666>
This commit is contained in:
Emma Anholt 2023-03-02 13:14:01 -08:00 • committed by Marge Bot
parent 4a51944639
commit 1fff562929
1 changed files with 14 additions and 2 deletions
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16
src/compiler/glsl/lower_precision.cpp
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@ -491,13 +491,25 @@ handle_call(ir_call *ir, const struct set *lowerable_rvalues)
/* Number of parameters to check if they are lowerable. */
unsigned check_parameters = ir->actual_parameters.length();
/* Interpolation functions only consider the precision of the interpolant. */
/* Bitfield functions ignore the precision of "offset" and "bits". */
/* "For the interpolateAt* functions, the call will return a precision
* qualification matching the precision of the interpolant argument to the
* function call."
*
* and
*
* "The precision qualification of the value returned from bitfieldExtract()
* matches the precision qualification of the call's input argument
* “value”."
*/
if (!strcmp(ir->callee_name(), "interpolateAtOffset") ||
!strcmp(ir->callee_name(), "interpolateAtSample") ||
!strcmp(ir->callee_name(), "bitfieldExtract")) {
check_parameters = 1;
} else if (!strcmp(ir->callee_name(), "bitfieldInsert")) {
/* "The precision qualification of the value returned from bitfieldInsert
* matches the highest precision qualification of the call's input
* arguments “base” and “insert”."
*/
check_parameters = 2;
}