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8bc1a3045d
To fix this, we trick the compiler by wrapping the function body with an
if (true) { <function body> } followed by returning an unused value of
the return type.
Bug: tint:1081
Change-Id: I763bf768f40d07a1045f0a70017bb40d488c8428
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/68822
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
40 lines
784 B
HLSL
40 lines
784 B
HLSL
bug/tint/1081.wgsl:9:25 warning: integral user-defined fragment inputs must have a flat interpolation attribute
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fn main([[location(1)]] x: vec3<i32>) -> [[location(2)]] i32 {
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^
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int f(int x) {
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if (true) {
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if ((x == 10)) {
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discard;
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}
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return x;
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}
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int unused;
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return unused;
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}
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struct tint_symbol_1 {
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int3 x : TEXCOORD1;
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};
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struct tint_symbol_2 {
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int value : SV_Target2;
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};
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int main_inner(int3 x) {
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int y = x.x;
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while (true) {
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const int r = f(y);
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if ((r == 0)) {
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break;
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}
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}
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return y;
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}
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tint_symbol_2 main(tint_symbol_1 tint_symbol) {
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const int inner_result = main_inner(tint_symbol.x);
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tint_symbol_2 wrapper_result = (tint_symbol_2)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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