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tint/hlsl: implement trunc in terms of floor/ceil to work around FXC bug

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Bug: tint:1883
Change-Id: If6c160da0684353a873428a08063aa91ee7a01c4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/125420
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
This commit is contained in:
Antonio Maiorano
2023-03-27 18:55:25 +00:00
committed by Dawn LUCI CQ
parent 194abe611b
commit 5cf943e797
51 changed files with 345 additions and 67 deletions
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6
test/tint/expressions/binary/mod/vec3-scalar/f16.wgsl.expected.dxc.hlsl
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@@ -1,6 +1,10 @@
vector<float16_t, 3> tint_trunc(vector<float16_t, 3> param_0) {
return param_0 < 0 ? ceil(param_0) : floor(param_0);
}
vector<float16_t, 3> tint_float_mod(vector<float16_t, 3> lhs, float16_t rhs) {
const vector<float16_t, 3> r = vector<float16_t, 3>((rhs).xxx);
return (lhs - (trunc((lhs / r)) * r));
return (lhs - (tint_trunc((lhs / r)) * r));
}
[numthreads(1, 1, 1)]

6
test/tint/expressions/binary/mod/vec3-scalar/f32.wgsl.expected.dxc.hlsl
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@@ -1,6 +1,10 @@
float3 tint_trunc(float3 param_0) {
return param_0 < 0 ? ceil(param_0) : floor(param_0);
}
float3 tint_float_mod(float3 lhs, float rhs) {
const float3 r = float3((rhs).xxx);
return (lhs - (trunc((lhs / r)) * r));
return (lhs - (tint_trunc((lhs / r)) * r));
}
[numthreads(1, 1, 1)]

6
test/tint/expressions/binary/mod/vec3-scalar/f32.wgsl.expected.fxc.hlsl
View File

@@ -1,6 +1,10 @@
float3 tint_trunc(float3 param_0) {
return param_0 < 0 ? ceil(param_0) : floor(param_0);
}
float3 tint_float_mod(float3 lhs, float rhs) {
const float3 r = float3((rhs).xxx);
return (lhs - (trunc((lhs / r)) * r));
return (lhs - (tint_trunc((lhs / r)) * r));
}
[numthreads(1, 1, 1)]