Code cleanup / Cycles:
* Avoid 2 int castings in hair code and fix some comments.
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@@ -298,7 +298,7 @@ __device_inline void bvh_cardinal_curve_intersect(KernelGlobals *kg, Intersectio
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/*obtain curve parameters*/
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{
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/*ray transform created - this shold be created at beginning of intersection loop*/
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/*ray transform created - this should be created at beginning of intersection loop*/
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Transform htfm;
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float d = sqrtf(dir.x * dir.x + dir.z * dir.z);
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htfm = make_transform(
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@@ -102,7 +102,7 @@ __device float curve_thickness(KernelGlobals *kg, ShaderData *sd)
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{
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float r = 0.0f;
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if(sd->segment != (int)~0) {
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if(sd->segment != ~0) {
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float4 curvedata = kernel_tex_fetch(__curves, sd->prim);
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int k0 = __float_as_int(curvedata.x) + sd->segment;
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int k1 = k0 + 1;
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@@ -119,7 +119,7 @@ __device float3 curve_tangent_normal(KernelGlobals *kg, ShaderData *sd)
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{
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float3 tgN = make_float3(0.0f,0.0f,0.0f);
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if(sd->segment != (int)~0) {
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if(sd->segment != ~0) {
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float normalmix = kernel_data.curve_kernel_data.normalmix;
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tgN = -(-sd->I - sd->dPdu * (dot(sd->dPdu,-sd->I) * normalmix / len_squared(sd->dPdu)));
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@@ -102,7 +102,7 @@ __device_noinline bool direct_emission(KernelGlobals *kg, ShaderData *sd, int li
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if(is_zero(light_eval))
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return false;
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/* todo: use visbility flag to skip lights */
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/* todo: use visibility flag to skip lights */
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/* evaluate BSDF at shading point */
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float bsdf_pdf;
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@@ -748,9 +748,9 @@ typedef enum CurveFlag {
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/* runtime flags */
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CURVE_KN_BACKFACING = 1, /* backside of cylinder? */
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CURVE_KN_ENCLOSEFILTER = 2, /* don't consider strands surrounding start point? */
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CURVE_KN_CURVEDATA = 4, /* curve data available? */
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CURVE_KN_INTERPOLATE = 8, /* render as a curve? - not supported yet */
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CURVE_KN_ACCURATE = 16, /* use accurate intersections test? */
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CURVE_KN_CURVEDATA = 4, /* curve data available? */
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CURVE_KN_INTERPOLATE = 8, /* render as a curve? */
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CURVE_KN_ACCURATE = 16, /* use accurate intersections test? */
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CURVE_KN_INTERSECTCORRECTION = 32, /* correct for width after determing closest midpoint? */
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CURVE_KN_POSTINTERSECTCORRECTION = 64, /* correct for width after intersect? */
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CURVE_KN_NORMALCORRECTION = 128, /* correct tangent normal for slope? */
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