mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-07-09 14:45:58 +00:00
f8672d8c35
Requires polyfilling for all but the MSL backend. CTS tests: https://github.com/gpuweb/cts/pull/1002 Bug: tint:1367 Change-Id: I0cf56b74c01f30436f9ad00595a554a4042587e4 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/81501 Reviewed-by: David Neto <dneto@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Kokoro: Ben Clayton <bclayton@google.com>
94 lines
2.6 KiB
GLSL
94 lines
2.6 KiB
GLSL
#version 310 es
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uvec2 tint_count_trailing_zeros(uvec2 v) {
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uvec2 x = uvec2(v);
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uvec2 b16 = mix(uvec2(16u), uvec2(0u), bvec2((x & uvec2(65535u))));
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x = (x >> b16);
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uvec2 b8 = mix(uvec2(8u), uvec2(0u), bvec2((x & uvec2(255u))));
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x = (x >> b8);
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uvec2 b4 = mix(uvec2(4u), uvec2(0u), bvec2((x & uvec2(15u))));
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x = (x >> b4);
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uvec2 b2 = mix(uvec2(2u), uvec2(0u), bvec2((x & uvec2(3u))));
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x = (x >> b2);
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uvec2 b1 = mix(uvec2(1u), uvec2(0u), bvec2((x & uvec2(1u))));
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uvec2 is_zero = mix(uvec2(0u), uvec2(1u), equal(x, uvec2(0u)));
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return uvec2((((((b16 | b8) | b4) | b2) | b1) + is_zero));
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}
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void countTrailingZeros_1ad138() {
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uvec2 res = tint_count_trailing_zeros(uvec2(0u, 0u));
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}
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vec4 vertex_main() {
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countTrailingZeros_1ad138();
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return vec4(0.0f, 0.0f, 0.0f, 0.0f);
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}
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void main() {
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vec4 inner_result = vertex_main();
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gl_Position = inner_result;
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gl_Position.y = -(gl_Position.y);
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gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
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return;
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}
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#version 310 es
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precision mediump float;
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uvec2 tint_count_trailing_zeros(uvec2 v) {
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uvec2 x = uvec2(v);
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uvec2 b16 = mix(uvec2(16u), uvec2(0u), bvec2((x & uvec2(65535u))));
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x = (x >> b16);
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uvec2 b8 = mix(uvec2(8u), uvec2(0u), bvec2((x & uvec2(255u))));
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x = (x >> b8);
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uvec2 b4 = mix(uvec2(4u), uvec2(0u), bvec2((x & uvec2(15u))));
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x = (x >> b4);
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uvec2 b2 = mix(uvec2(2u), uvec2(0u), bvec2((x & uvec2(3u))));
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x = (x >> b2);
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uvec2 b1 = mix(uvec2(1u), uvec2(0u), bvec2((x & uvec2(1u))));
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uvec2 is_zero = mix(uvec2(0u), uvec2(1u), equal(x, uvec2(0u)));
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return uvec2((((((b16 | b8) | b4) | b2) | b1) + is_zero));
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}
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void countTrailingZeros_1ad138() {
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uvec2 res = tint_count_trailing_zeros(uvec2(0u, 0u));
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}
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void fragment_main() {
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countTrailingZeros_1ad138();
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}
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void main() {
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fragment_main();
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return;
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}
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#version 310 es
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uvec2 tint_count_trailing_zeros(uvec2 v) {
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uvec2 x = uvec2(v);
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uvec2 b16 = mix(uvec2(16u), uvec2(0u), bvec2((x & uvec2(65535u))));
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x = (x >> b16);
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uvec2 b8 = mix(uvec2(8u), uvec2(0u), bvec2((x & uvec2(255u))));
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x = (x >> b8);
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uvec2 b4 = mix(uvec2(4u), uvec2(0u), bvec2((x & uvec2(15u))));
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x = (x >> b4);
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uvec2 b2 = mix(uvec2(2u), uvec2(0u), bvec2((x & uvec2(3u))));
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x = (x >> b2);
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uvec2 b1 = mix(uvec2(1u), uvec2(0u), bvec2((x & uvec2(1u))));
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uvec2 is_zero = mix(uvec2(0u), uvec2(1u), equal(x, uvec2(0u)));
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return uvec2((((((b16 | b8) | b4) | b2) | b1) + is_zero));
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}
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void countTrailingZeros_1ad138() {
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uvec2 res = tint_count_trailing_zeros(uvec2(0u, 0u));
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}
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void compute_main() {
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countTrailingZeros_1ad138();
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}
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layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
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void main() {
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compute_main();
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return;
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}
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