From: Petrichor Park ppark@codeweavers.com
Extracted by Conor McCarthy from an HLSL patch, with ulp values doubled in some cases to cover SM 6 results. --- tests/hlsl/inverse-trig.shader_test | 105 ++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+)
diff --git a/tests/hlsl/inverse-trig.shader_test b/tests/hlsl/inverse-trig.shader_test index 5e71351e4..05941b14d 100644 --- a/tests/hlsl/inverse-trig.shader_test +++ b/tests/hlsl/inverse-trig.shader_test @@ -90,3 +90,108 @@ probe all rgba (10472.0, 0.0, 0.0, 0.0) 4096 uniform 0 float4 1.0 0.0 0.0 0.0 todo draw quad probe all rgba (31416.0, 0.0, 0.0, 0.0) + + +[pixel shader todo] +uniform float4 a; + +float4 main() : sv_target +{ + return float4(atan(a.x), 0.0, 0.0, 0.0); +} + +[test] +uniform 0 float4 -1.0 0.0 0.0 0.0 +todo draw quad +probe all rgba (-0.785409629, 0.0, 0.0, 0.0) 512 + +uniform 0 float4 -0.5 0.0 0.0 0.0 +todo draw quad +probe all rgba (-0.4636476, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 0.0 0.0 0.0 0.0 +todo draw quad +probe all rgba (0.0, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 0.5 0.0 0.0 0.0 +todo draw quad +probe all rgba (0.4636476, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 1.0 0.0 0.0 0.0 +todo draw quad +probe all rgba (0.785409629, 0.0, 0.0, 0.0) 512 + +[pixel shader todo] +uniform float4 a; + +float4 main() : sv_target +{ + // The argument order is (y,x), and test case inputs are (y,x) also. + return float4(atan2(a.x, a.y), 0.0, 0.0, 0.0); +} + +[test] +% Non-degenerate cases +uniform 0 float4 1.0 1.0 0.0 0.0 +todo draw quad +probe all rgba (0.785385, 0.0, 0.0, 0.0) 512 + +uniform 0 float4 5.0 -5.0 0.0 0.0 +todo draw quad +probe all rgba (2.356194, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 -3.0 -3.0 0.0 0.0 +todo draw quad +probe all rgba (-2.356194, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 1.0 0.0 0.0 0.0 +todo draw quad +probe all rgba (1.570796, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 -1.0 0.0 0.0 0.0 +todo draw quad +probe all rgba (-1.570796, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 0.0 1.0 0.0 0.0 +todo draw quad +probe all rgba (0.0, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 0.0 -1.0 0.0 0.0 +todo draw quad +probe all rgba (3.1415927, 0.0, 0.0, 0.0) 256 + +% Degenerate cases +uniform 0 float4 0.00001 0.00002 0.0 0.0 +todo draw quad +probe all rgba (0.463647, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 0.00001 -0.00002 0.0 0.0 +todo draw quad +probe all rgba (2.677945, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 -0.00001 100000.0 0.0 0.0 +todo draw quad +probe all rgba (-0.000000000099986595, 0.0, 0.0, 0.0) 2048 + +uniform 0 float4 10000000.0 0.00000001 0.0 0.0 +todo draw quad +probe all rgba (1.570796, 0.0, 0.0, 0.0) 256 + +% Negative zero behavior should be to treat it the +% same as normal zero. +uniform 0 float4 1000000000.0 0.0 0.0 0.0 +todo draw quad +probe all rgba (1.570796, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 1000000000.0 -0.0 0.0 0.0 +todo draw quad +probe all rgba (1.570796, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 0.0 -1.0 0.0 0.0 +todo draw quad +probe all rgba (3.1415927, 0.0, 0.0, 0.0) 256 + +uniform 0 float4 -0.0 -1.0 0.0 0.0 +todo draw quad +probe all rgba (3.1415927, 0.0, 0.0, 0.0) 256 +