diff options
Diffstat (limited to 'source/blender/nodes/intern/CMP_nodes/CMP_displace.c')
| -rw-r--r-- | source/blender/nodes/intern/CMP_nodes/CMP_displace.c | 47 |
1 files changed, 23 insertions, 24 deletions
diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_displace.c b/source/blender/nodes/intern/CMP_nodes/CMP_displace.c index 7d64d4e719c..49b65ef0598 100644 --- a/source/blender/nodes/intern/CMP_nodes/CMP_displace.c +++ b/source/blender/nodes/intern/CMP_nodes/CMP_displace.c @@ -1,4 +1,4 @@ -/** +/* * $Id$ * * ***** BEGIN GPL LICENSE BLOCK ***** @@ -48,7 +48,7 @@ static bNodeSocketType cmp_node_displace_out[]= { * in order to take effect */ #define DISPLACE_EPSILON 0.01 -static void do_displace(CompBuf *stackbuf, CompBuf *cbuf, CompBuf *vecbuf, float *veccol, CompBuf *xbuf, CompBuf *ybuf, float *xscale, float *yscale) +static void do_displace(CompBuf *stackbuf, CompBuf *cbuf, CompBuf *vecbuf, float *UNUSED(veccol), CompBuf *xbuf, CompBuf *ybuf, float *xscale, float *yscale) { ImBuf *ibuf; int x, y; @@ -60,7 +60,7 @@ static void do_displace(CompBuf *stackbuf, CompBuf *cbuf, CompBuf *vecbuf, float float vec[3], vecdx[3], vecdy[3]; float col[3]; - ibuf= IMB_allocImBuf(cbuf->x, cbuf->y, 32, 0, 0); + ibuf= IMB_allocImBuf(cbuf->x, cbuf->y, 32, 0); ibuf->rect_float= cbuf->rect; for(y=0; y < stackbuf->y; y++) { @@ -83,7 +83,7 @@ static void do_displace(CompBuf *stackbuf, CompBuf *cbuf, CompBuf *vecbuf, float p_dy = vec[1] * ys; /* if no displacement, then just copy this pixel */ - if (p_dx < DISPLACE_EPSILON && p_dy < DISPLACE_EPSILON) { + if (fabsf(p_dx) < DISPLACE_EPSILON && fabsf(p_dy) < DISPLACE_EPSILON) { qd_getPixel(cbuf, x-cbuf->xof, y-cbuf->yof, col); qd_setPixel(stackbuf, x, y, col); continue; @@ -99,10 +99,13 @@ static void do_displace(CompBuf *stackbuf, CompBuf *cbuf, CompBuf *vecbuf, float qd_getPixel(vecbuf, x-vecbuf->xof, y-vecbuf->yof+1, vecdy); d_dx = vecdx[0] * xs; d_dy = vecdy[0] * ys; - + /* clamp derivatives to minimum displacement distance in UV space */ - dxt = MAX2(p_dx - d_dx, DISPLACE_EPSILON)/(float)stackbuf->x; - dyt = MAX2(p_dy - d_dy, DISPLACE_EPSILON)/(float)stackbuf->y; + dxt = p_dx - d_dx; + dyt = p_dy - d_dy; + + dxt = signf(dxt)*maxf(fabsf(dxt), DISPLACE_EPSILON)/(float)stackbuf->x; + dyt = signf(dyt)*maxf(fabsf(dyt), DISPLACE_EPSILON)/(float)stackbuf->y; ibuf_sample(ibuf, u, v, dxt, dyt, col); qd_setPixel(stackbuf, x, y, col); @@ -137,7 +140,7 @@ static void do_displace(CompBuf *stackbuf, CompBuf *cbuf, CompBuf *vecbuf, float } -static void node_composit_exec_displace(void *data, bNode *node, bNodeStack **in, bNodeStack **out) +static void node_composit_exec_displace(void *UNUSED(data), bNode *UNUSED(node), bNodeStack **in, bNodeStack **out) { if(out[0]->hasoutput==0) return; @@ -168,20 +171,16 @@ static void node_composit_exec_displace(void *data, bNode *node, bNodeStack **in } } -bNodeType cmp_node_displace= { - /* *next,*prev */ NULL, NULL, - /* type code */ CMP_NODE_DISPLACE, - /* name */ "Displace", - /* width+range */ 140, 100, 320, - /* class+opts */ NODE_CLASS_DISTORT, NODE_OPTIONS, - /* input sock */ cmp_node_displace_in, - /* output sock */ cmp_node_displace_out, - /* storage */ "", - /* execfunc */ node_composit_exec_displace, - /* butfunc */ NULL, - /* initfunc */ NULL, - /* freestoragefunc */ NULL, - /* copystoragefunc */ NULL, - /* id */ NULL -}; +void register_node_type_cmp_displace(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, CMP_NODE_DISPLACE, "Displace", NODE_CLASS_DISTORT, NODE_OPTIONS, + cmp_node_displace_in, cmp_node_displace_out); + node_type_size(&ntype, 140, 100, 320); + node_type_exec(&ntype, node_composit_exec_displace); + + nodeRegisterType(lb, &ntype); +} + |