hack luv

13 years ago · 8ef19e7664
parent 0e1005ca92
commit 8ef19e7664
1 changed files with 2 additions and 1 deletions
--- a/modules/gpu/src/cuda/icf-sc.cu
+++ b/modules/gpu/src/cuda/icf-sc.cu
@ -65,7 +65,8 @@ namespace icf {
        const float _u = __fdividef(4.f * x, divisor);
        const float _v = __fdividef(9.f * y, divisor);

-        const float L = fmax(0.f, ((116.f * cbrtf(y)) - 16.f));
+        float hack = static_cast<float>(__float2int_rn(y * 2047)) / 2047;
+        const float L = fmax(0.f, ((116.f * cbrtf(hack)) - 16.f));
        const float U = 13.f * L * (_u - _ur);
        const float V = 13.f * L * (_v - _vr);