Fix most of #31307: cycles panorama camera not working correct with speed

vectors and window texture coordinates. Only for Fisheye Equisolid it's
still not working correct yet. Patch from Dalai with modifications.

1 files changed, 0 insertions, 118 deletions

diff --git a/intern/cycles/kernel/kernel_montecarlo.h b/intern/cycles/kernel/kernel_montecarlo.h
index f51ce263ea2..bdd147f83d3 100644
--- a/intern/cycles/kernel/kernel_montecarlo.h
+++ b/intern/cycles/kernel/kernel_montecarlo.h
@@ -185,124 +185,6 @@ __device float2 regular_polygon_sample(float corners, float rotation, float u, f
 	return make_float2(cr*p.x - sr*p.y, sr*p.x + cr*p.y);
 }
 
-/* Spherical coordinates <-> Cartesian direction  */
-
-__device float2 direction_to_spherical(float3 dir)
-{
-	float theta = acosf(dir.z);
-	float phi = atan2f(dir.x, dir.y);
-
-	return make_float2(theta, phi);
-}
-
-__device float3 spherical_to_direction(float theta, float phi)
-{
-	return make_float3(
-		sinf(theta)*cosf(phi),
-		sinf(theta)*sinf(phi),
-		cosf(theta));
-}
-
-/* Equirectangular coordinates <-> Cartesian direction */
-
-__device float2 direction_to_equirectangular(float3 dir)
-{
-	float u = -atan2f(dir.y, dir.x)/(2.0f*M_PI_F) + 0.5f;
-	float v = atan2f(dir.z, hypotf(dir.x, dir.y))/M_PI_F + 0.5f;
-
-	return make_float2(u, v);
-}
-
-__device float3 equirectangular_to_direction(float u, float v)
-{
-	float phi = M_PI_F*(1.0f - 2.0f*u);
-	float theta = M_PI_F*(1.0f - v);
-
-	return make_float3(
-		sin(theta)*cos(phi),
-		sin(theta)*sin(phi),
-		cos(theta));
-}
-
-/* Fisheye <- Cartesian direction */
-
-__device float3 fisheye_to_direction(float u, float v, float fov)
-{
-	u = (u - 0.5f) * 2.0f;
-	v = (v - 0.5f) * 2.0f;
-
-	float r = sqrt(u*u + v*v);
-
-	if(r > 1.0f)
-		return make_float3(0.0f, 0.0f, 0.0f);
-
-	float phi = acosf((r != 0.0f)? u/r: 0.0f);
-	float theta = asinf(r) * (fov / M_PI_F);
-
-	if(v < 0.0f) phi = -phi;
-
-	return make_float3(
-		 cosf(theta),
-		 -cosf(phi)*sinf(theta),
-		 sinf(phi)*sinf(theta)
-	);
-}
-
-__device float3 fisheye_equisolid_to_direction(float u, float v, float lens, float fov, float width, float height)
-{
-	u = (u - 0.5f) * width;
-	v = (v - 0.5f) * height;
-
-	float rmax = 2.0f * lens * sinf(fov * 0.25f);
-	float r = sqrt(u*u + v*v);
-
-	if(r > rmax)
-		return make_float3(0.0f, 0.0f, 0.0f);
-
-	float phi = acosf((r != 0.0f)? u/r: 0.0f);
-	float theta = 2.0f * asinf(r/(2.0f * lens));
-
-	if(v < 0.0f) phi = -phi;
-
-	return make_float3(
-		 cosf(theta),
-		 -cosf(phi)*sinf(theta),
-		 sinf(phi)*sinf(theta)
-	);
-}
-
-/* Mirror Ball <-> Cartesion direction */
-
-__device float3 mirrorball_to_direction(float u, float v)
-{
-	/* point on sphere */
-	float3 dir;
-
-	dir.x = 2.0f*u - 1.0f;
-	dir.z = 2.0f*v - 1.0f;
-	dir.y = -sqrt(max(1.0f - dir.x*dir.x - dir.z*dir.z, 0.0f));
-
-	/* reflection */
-	float3 I = make_float3(0.0f, -1.0f, 0.0f);
-
-	return 2.0f*dot(dir, I)*dir - I;
-}
-
-__device float2 direction_to_mirrorball(float3 dir)
-{
-	/* inverse of mirrorball_to_direction */
-	dir.y -= 1.0f;
-
-	float div = 2.0f*sqrt(max(-0.5f*dir.y, 0.0f));
-	if(div > 0.0f)
-		dir /= div;
-
-	float u = 0.5f*(dir.x + 1.0f);
-	float v = 0.5f*(dir.z + 1.0f);
-
-	return make_float2(u, v);
-}
-
 CCL_NAMESPACE_END
 
 #endif /* __KERNEL_MONTECARLO_CL__ */