static void node_composit_exec_curve_rgb(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order input: fac, image, black level, white level */
/* stack order output: image */
if (out[0]->hasoutput==0)
return;
curvemapping_initialize(node->storage);
/* input no image? then only color operation */
if (in[1]->data==NULL) {
curvemapping_evaluateRGBF(node->storage, out[0]->vec, in[1]->vec);
}
else {
/* make output size of input image */
CompBuf *cbuf= in[1]->data;
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* allocs */
curvemapping_set_black_white(node->storage, in[2]->vec, in[3]->vec);
if (in[0]->data==NULL && in[0]->vec[0] == 1.0f)
composit1_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, do_curves, CB_RGBA);
else
composit2_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, in[0]->data, in[0]->vec, do_curves_fac, CB_RGBA, CB_VAL);
out[0]->data= stackbuf;
}
}
static void rgb_colorfn(float *out, TexParams *p, bNode *node, bNodeStack **in, short thread)
{
float cin[4];
tex_input_rgba(cin, in[0], p, thread);
curvemapping_evaluateRGBF(node->storage, out, cin);
out[3] = cin[3];
}
static void node_shader_exec_curve_rgb(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
float vec[3];
/* stack order input: vec */
/* stack order output: vec */
nodestack_get_vec(vec, SOCK_VECTOR, in[1]);
curvemapping_evaluateRGBF(node->storage, out[0]->vec, vec);
if(in[0]->vec[0] != 1.0f) {
interp_v3_v3v3(out[0]->vec, vec, out[0]->vec, *in[0]->vec);
}
}
