diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_hsv.h')
-rw-r--r-- | intern/cycles/kernel/svm/svm_hsv.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/intern/cycles/kernel/svm/svm_hsv.h b/intern/cycles/kernel/svm/svm_hsv.h index 348f13f59f2..6e6a9dff159 100644 --- a/intern/cycles/kernel/svm/svm_hsv.h +++ b/intern/cycles/kernel/svm/svm_hsv.h @@ -21,80 +21,6 @@ CCL_NAMESPACE_BEGIN -__device float3 rgb_to_hsv(float3 rgb) -{ - float cmax, cmin, h, s, v, cdelta; - float3 c; - - cmax = fmaxf(rgb.x, fmaxf(rgb.y, rgb.z)); - cmin = min(rgb.x, min(rgb.y, rgb.z)); - cdelta = cmax - cmin; - - v = cmax; - - if(cmax != 0.0f) { - s = cdelta/cmax; - } - else { - s = 0.0f; - h = 0.0f; - } - - if(s == 0.0f) { - h = 0.0f; - } - else { - float3 cmax3 = make_float3(cmax, cmax, cmax); - c = (cmax3 - rgb)/cdelta; - - if(rgb.x == cmax) h = c.z - c.y; - else if(rgb.y == cmax) h = 2.0f + c.x - c.z; - else h = 4.0f + c.y - c.x; - - h /= 6.0f; - - if(h < 0.0f) - h += 1.0f; - } - - return make_float3(h, s, v); -} - -__device float3 hsv_to_rgb(float3 hsv) -{ - float i, f, p, q, t, h, s, v; - float3 rgb; - - h = hsv.x; - s = hsv.y; - v = hsv.z; - - if(s == 0.0f) { - rgb = make_float3(v, v, v); - } - else { - if(h == 1.0f) - h = 0.0f; - - h *= 6.0f; - i = floorf(h); - f = h - i; - rgb = make_float3(f, f, f); - p = v*(1.0f-s); - q = v*(1.0f-(s*f)); - t = v*(1.0f-(s*(1.0f-f))); - - if(i == 0.0f) rgb = make_float3(v, t, p); - else if(i == 1.0f) rgb = make_float3(q, v, p); - else if(i == 2.0f) rgb = make_float3(p, v, t); - else if(i == 3.0f) rgb = make_float3(p, q, v); - else if(i == 4.0f) rgb = make_float3(t, p, v); - else rgb = make_float3(v, p, q); - } - - return rgb; -} - __device void svm_node_hsv(KernelGlobals *kg, ShaderData *sd, float *stack, uint in_color_offset, uint fac_offset, uint out_color_offset, int *offset) { /* read extra data */ |