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https://github.com/encounter/dawn-cmake.git
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eb29f81883
mv test/tint/builtins/gen -> test/tint/builtins/gen/literal We're going to add another set of these for builtins that use 'var' for each argument. Change-Id: I1b4ad1495ddccd48232603db2205bf50af9e36b6 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92320 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com> Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
46 lines
1.2 KiB
HLSL
46 lines
1.2 KiB
HLSL
int3 tint_first_leading_bit(int3 v) {
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uint3 x = ((v < (0).xxx) ? uint3(~(v)) : uint3(v));
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const uint3 b16 = (bool3((x & (4294901760u).xxx)) ? (16u).xxx : (0u).xxx);
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x = (x >> b16);
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const uint3 b8 = (bool3((x & (65280u).xxx)) ? (8u).xxx : (0u).xxx);
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x = (x >> b8);
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const uint3 b4 = (bool3((x & (240u).xxx)) ? (4u).xxx : (0u).xxx);
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x = (x >> b4);
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const uint3 b2 = (bool3((x & (12u).xxx)) ? (2u).xxx : (0u).xxx);
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x = (x >> b2);
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const uint3 b1 = (bool3((x & (2u).xxx)) ? (1u).xxx : (0u).xxx);
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const uint3 is_zero = ((x == (0u).xxx) ? (4294967295u).xxx : (0u).xxx);
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return int3((((((b16 | b8) | b4) | b2) | b1) | is_zero));
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}
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void firstLeadingBit_35053e() {
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int3 res = tint_first_leading_bit((0).xxx);
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}
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struct tint_symbol {
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float4 value : SV_Position;
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};
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float4 vertex_main_inner() {
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firstLeadingBit_35053e();
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return (0.0f).xxxx;
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}
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tint_symbol vertex_main() {
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const float4 inner_result = vertex_main_inner();
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tint_symbol wrapper_result = (tint_symbol)0;
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wrapper_result.value = inner_result;
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return wrapper_result;
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}
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void fragment_main() {
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firstLeadingBit_35053e();
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return;
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}
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[numthreads(1, 1, 1)]
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void compute_main() {
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firstLeadingBit_35053e();
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return;
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}
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