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| author | Campbell Barton <ideasman42@gmail.com> | 2017-10-09 12:49:27 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2017-10-09 12:49:27 +0300 |
| commit | a5b4b0f21c1ae8c96e4fea9abdcfac2fab1cf300 (patch) | |
| tree | 0658d8bdfb8ec03652aa04f82ee8a4d243ec6370 /source/blender/nodes/shader/nodes/node_shader_fresnel.c | |
| parent | d68f698cf0321477c0734474150eb4bc43c4e85f (diff) | |
| parent | abcda06934aba054de8540b66b13c2bbc5f8f515 (diff) | |
Merge branch '28' into custom-manipulatorscustom-manipulators
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_fresnel.c')
| -rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_fresnel.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_fresnel.c b/source/blender/nodes/shader/nodes/node_shader_fresnel.c index 5a9e33a4053..b285f1a8a3e 100644 --- a/source/blender/nodes/shader/nodes/node_shader_fresnel.c +++ b/source/blender/nodes/shader/nodes/node_shader_fresnel.c @@ -39,7 +39,7 @@ static bNodeSocketTemplate sh_node_fresnel_out[] = { { -1, 0, "" } }; -static int node_shader_gpu_fresnel(GPUMaterial *mat, bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out) +static int node_shader_gpu_fresnel(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out) { if (!in[1].link) { in[1].link = GPU_builtin(GPU_VIEW_NORMAL); @@ -48,17 +48,26 @@ static int node_shader_gpu_fresnel(GPUMaterial *mat, bNode *UNUSED(node), bNodeE GPU_link(mat, "direction_transform_m4v3", in[1].link, GPU_builtin(GPU_VIEW_MATRIX), &in[1].link); } - return GPU_stack_link(mat, "node_fresnel", in, out, GPU_builtin(GPU_VIEW_POSITION)); + return GPU_stack_link(mat, node, "node_fresnel", in, out, GPU_builtin(GPU_VIEW_POSITION)); } -static void node_shader_exec_fresnel(void *data, int UNUSED(thread), bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), bNodeStack **in, bNodeStack **out) +static void node_shader_exec_fresnel(void *data, int UNUSED(thread), bNode *node, bNodeExecData *UNUSED(execdata), bNodeStack **in, bNodeStack **out) { ShadeInput *shi = ((ShaderCallData *)data)->shi; - float eta = max_ff(in[0]->vec[0], 0.00001); + + /* Compute IOR. */ + float eta; + nodestack_get_vec(&eta, SOCK_FLOAT, in[0]); + eta = max_ff(eta, 0.00001); + eta = shi->flippednor ? 1 / eta : 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); @@ -68,7 +77,7 @@ static void node_shader_exec_fresnel(void *data, int UNUSED(thread), bNode *UNUS 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 ? 1 / eta : eta); + out[0]->vec[0] = RE_fresnel_dielectric(shi->view, n, eta); } /* node type definition */ |