diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_layer_weight.c')
| -rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_layer_weight.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_layer_weight.c b/source/blender/nodes/shader/nodes/node_shader_layer_weight.c index a0b2408a7bb..998e1a5687e 100644 --- a/source/blender/nodes/shader/nodes/node_shader_layer_weight.c +++ b/source/blender/nodes/shader/nodes/node_shader_layer_weight.c @@ -52,24 +52,33 @@ static int node_shader_gpu_layer_weight(GPUMaterial *mat, bNode *UNUSED(node), b return GPU_stack_link(mat, "node_layer_weight", in, out, GPU_builtin(GPU_VIEW_POSITION)); } -static void node_shader_exec_layer_weight(void *data, int UNUSED(thread), bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), bNodeStack **in, bNodeStack **out) +static void node_shader_exec_layer_weight(void *data, int UNUSED(thread), bNode *node, bNodeExecData *UNUSED(execdata), bNodeStack **in, bNodeStack **out) { ShadeInput *shi = ((ShaderCallData *)data)->shi; - float blend = in[0]->vec[0]; + + /* Compute IOR. */ + float blend; + nodestack_get_vec(&blend, SOCK_FLOAT, in[0]); float eta = max_ff(1 - blend, 0.00001); + eta = shi->flippednor ? eta : 1 / eta; + + /* Get normal from socket, but only if linked. */ + bNodeSocket *sock_normal = node->inputs.first; + sock_normal = sock_normal->next; float n[3]; - if (in[1]->hasinput) { - copy_v3_v3(n, in[1]->vec); + if (sock_normal->link) { + nodestack_get_vec(n, SOCK_VECTOR, in[1]); } else { copy_v3_v3(n, shi->vn); } + if (shi->use_world_space_shading) mul_mat3_m4_v3((float (*)[4])RE_render_current_get_matrix(RE_VIEW_MATRIX), n); - out[0]->vec[0] = RE_fresnel_dielectric(shi->view, n, shi->flippednor ? eta : 1 / eta); + out[0]->vec[0] = RE_fresnel_dielectric(shi->view, n, eta); float facing = fabs(dot_v3v3(shi->view, n)); if (blend != 0.5) { |