| <dawn>/test/tint/diagnostic_filtering/while_loop_attribute.wgsl:5:21 warning: 'dpdx' must only be called from uniform control flow |
| while (x > 0.0 && dpdx(1.0) > 0.0) { |
| ^^^^^^^^^ |
| |
| <dawn>/test/tint/diagnostic_filtering/while_loop_attribute.wgsl:5:3 note: control flow depends on possibly non-uniform value |
| while (x > 0.0 && dpdx(1.0) > 0.0) { |
| ^^^^^ |
| |
| <dawn>/test/tint/diagnostic_filtering/while_loop_attribute.wgsl:5:21 note: return value of 'dpdx' may be non-uniform |
| while (x > 0.0 && dpdx(1.0) > 0.0) { |
| ^^^^^^^^^ |
| |
| #include <metal_stdlib> |
| using namespace metal; |
| |
| struct tint_symbol_inputs { |
| float x [[user(locn0)]]; |
| }; |
| |
| void tint_symbol_inner(float x) { |
| float4 v = float4(0.0f); |
| { |
| while(true) { |
| bool v_1 = false; |
| if ((x > 0.0f)) { |
| v_1 = (dfdx(1.0f) > 0.0f); |
| } else { |
| v_1 = false; |
| } |
| if (v_1) { |
| } else { |
| break; |
| } |
| { |
| } |
| continue; |
| } |
| } |
| } |
| |
| fragment void tint_symbol(tint_symbol_inputs inputs [[stage_in]]) { |
| tint_symbol_inner(inputs.x); |
| } |