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Differential D8091 Diff 26670 intern/cycles/render/light.cpp

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intern/cycles/render/light.cpp

Show First 20 Lines • Show All 619 Lines • ▼ Show 20 Lines if (node->type == SkyTextureNode::node_type) {
if ((vec_src->type != TextureCoordinateNode::node_type) || if ((vec_src->type != TextureCoordinateNode::node_type) ||
(vec_in->link != vec_src->output("Generated"))) { (vec_in->link != vec_src->output("Generated"))) {
environment_res.x = max(environment_res.x, 4096); environment_res.x = max(environment_res.x, 4096);
environment_res.y = max(environment_res.y, 2048); environment_res.y = max(environment_res.y, 2048);
continue; continue;
} }
} }
/* Determine sun direction from lat/long and texture mapping. */
float latitude = sky->sun_elevation; float latitude = sky->sun_elevation;
float longitude = M_2PI_F - sky->sun_rotation + M_PI_2_F; float longitude = M_2PI_F - sky->sun_rotation + M_PI_2_F;
float3 sun_direction = make_float3(
cosf(latitude) * cosf(longitude), cosf(latitude) * sinf(longitude), sinf(latitude));
Transform sky_transform = transform_inverse(sky->tex_mapping.compute_transform());
sun_direction = transform_direction(&sky_transform, sun_direction);
/* Pack sun direction and size. */
float half_angle = sky->sun_size * 0.5f; float half_angle = sky->sun_size * 0.5f;
kbackground->sun = make_float4(cosf(latitude) * cosf(longitude), kbackground->sun = make_float4(
cosf(latitude) * sinf(longitude), sun_direction.x, sun_direction.y, sun_direction.z, half_angle);
sinf(latitude),
half_angle);
kbackground->sun_weight = 4.0f; kbackground->sun_weight = 4.0f;
environment_res.x = max(environment_res.x, 512); environment_res.x = max(environment_res.x, 512);
environment_res.y = max(environment_res.y, 256); environment_res.y = max(environment_res.y, 256);
num_suns++; num_suns++;
} }
} }
} }
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