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Differential D15902 Diff 57407 intern/cycles/util/transform.h

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intern/cycles/util/transform.h

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{ {
const float3 dx0 = cross(make_float3(1.0f, 0.0f, 0.0f), N); const float3 dx0 = cross(make_float3(1.0f, 0.0f, 0.0f), N);
const float3 dx1 = cross(make_float3(0.0f, 1.0f, 0.0f), N); const float3 dx1 = cross(make_float3(0.0f, 1.0f, 0.0f), N);
const float3 dx = normalize((dot(dx0, dx0) > dot(dx1, dx1)) ? dx0 : dx1); const float3 dx = normalize((dot(dx0, dx0) > dot(dx1, dx1)) ? dx0 : dx1);
const float3 dy = normalize(cross(N, dx)); const float3 dy = normalize(cross(N, dx));
return make_transform(dx.x, dx.y, dx.z, 0.0f, dy.x, dy.y, dy.z, 0.0f, N.x, N.y, N.z, 0.0f); return make_transform(dx.x, dx.y, dx.z, 0.0f, dy.x, dy.y, dy.z, 0.0f, N.x, N.y, N.z, 0.0f);
} }
#ifndef __KERNEL_GPU__ #if !defined(__KERNEL_METAL__)
ccl_device_inline Transform transform_zero()
{
Transform zero = {zero_float4(), zero_float4(), zero_float4()};
return zero;
}
ccl_device_inline Transform operator*(const Transform a, const Transform b) ccl_device_inline Transform operator*(const Transform a, const Transform b)
{ {
float4 c_x = make_float4(b.x.x, b.y.x, b.z.x, 0.0f); float4 c_x = make_float4(b.x.x, b.y.x, b.z.x, 0.0f);
float4 c_y = make_float4(b.x.y, b.y.y, b.z.y, 0.0f); float4 c_y = make_float4(b.x.y, b.y.y, b.z.y, 0.0f);
float4 c_z = make_float4(b.x.z, b.y.z, b.z.z, 0.0f); float4 c_z = make_float4(b.x.z, b.y.z, b.z.z, 0.0f);
float4 c_w = make_float4(b.x.w, b.y.w, b.z.w, 1.0f); float4 c_w = make_float4(b.x.w, b.y.w, b.z.w, 1.0f);
Transform t; Transform t;
t.x = make_float4(dot(a.x, c_x), dot(a.x, c_y), dot(a.x, c_z), dot(a.x, c_w)); t.x = make_float4(dot(a.x, c_x), dot(a.x, c_y), dot(a.x, c_z), dot(a.x, c_w));
t.y = make_float4(dot(a.y, c_x), dot(a.y, c_y), dot(a.y, c_z), dot(a.y, c_w)); t.y = make_float4(dot(a.y, c_x), dot(a.y, c_y), dot(a.y, c_z), dot(a.y, c_w));
t.z = make_float4(dot(a.z, c_x), dot(a.z, c_y), dot(a.z, c_z), dot(a.z, c_w)); t.z = make_float4(dot(a.z, c_x), dot(a.z, c_y), dot(a.z, c_z), dot(a.z, c_w));
return t; return t;
} }
#endif
#ifndef __KERNEL_GPU__
ccl_device_inline Transform transform_zero()
{
Transform zero = {zero_float4(), zero_float4(), zero_float4()};
return zero;
}
ccl_device_inline void print_transform(const char *label, const Transform &t) ccl_device_inline void print_transform(const char *label, const Transform &t)
{ {
print_float4(label, t.x); print_float4(label, t.x);
print_float4(label, t.y); print_float4(label, t.y);
print_float4(label, t.z); print_float4(label, t.z);
printf("\n"); printf("\n");
} }
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