From b4c95833aba19750364c2ba1d442fc0fa80dc7ab Mon Sep 17 00:00:00 2001 From: Dalai Felinto Date: Thu, 29 Dec 2011 05:40:48 +0000 Subject: bugfix: [#29711] Cycles - HSV Node - Hue Change Bug * Adding hue instead of removing it. fmod doesn't work as % when it comes to negative numbers: fmod( 1.3, 1) == 1.3 % 1 == 0.3 fmod(-0.3, 1) != -0.3 % 1 --- intern/cycles/kernel/svm/svm_hsv.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'intern/cycles/kernel/svm/svm_hsv.h') diff --git a/intern/cycles/kernel/svm/svm_hsv.h b/intern/cycles/kernel/svm/svm_hsv.h index fc927f297f5..ed17d3fc985 100644 --- a/intern/cycles/kernel/svm/svm_hsv.h +++ b/intern/cycles/kernel/svm/svm_hsv.h @@ -110,7 +110,8 @@ __device void svm_node_hsv(KernelGlobals *kg, ShaderData *sd, float *stack, uint color = rgb_to_hsv(color); - color.x += hue - 0.5f; + // remember: fmod doesn't work for negative numbers + color.x += hue + 0.5f; color.x = fmod(color.x, 1.0f); color.y *= sat; color.z *= val; -- cgit v1.2.3