static void node_composit_exec_alphaover(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order in: col col */
/* stack order out: col */
if(out[0]->hasoutput==0)
return;
/* input no image? then only color operation */
if(in[1]->data==NULL && in[2]->data==NULL) {
do_alphaover_premul(node, out[0]->vec, in[1]->vec, in[2]->vec, in[0]->vec);
}
else {
/* make output size of input image */
CompBuf *cbuf= in[1]->data?in[1]->data:in[2]->data;
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* allocs */
NodeTwoFloats *ntf= node->storage;
if(ntf->x != 0.0f)
composit3_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, in[2]->data, in[2]->vec, in[0]->data, in[0]->vec, do_alphaover_mixed, CB_RGBA, CB_RGBA, CB_VAL);
else if(node->custom1)
composit3_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, in[2]->data, in[2]->vec, in[0]->data, in[0]->vec, do_alphaover_key, CB_RGBA, CB_RGBA, CB_VAL);
else
composit3_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, in[2]->data, in[2]->vec, in[0]->data, in[0]->vec, do_alphaover_premul, CB_RGBA, CB_RGBA, CB_VAL);
out[0]->data= stackbuf;
}
}
static void node_composit_exec_brightcontrast(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
if (out[0]->hasoutput==0)
return;
if (in[0]->data) {
CompBuf *stackbuf, *cbuf= typecheck_compbuf(in[0]->data, CB_RGBA);
stackbuf= dupalloc_compbuf(cbuf);
composit3_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, in[1]->data, in[1]->vec, in[2]->data, in[2]->vec, do_brightnesscontrast, CB_RGBA, CB_VAL, CB_VAL);
out[0]->data = stackbuf;
if (cbuf != in[0]->data)
free_compbuf(cbuf);
}
}
static void node_composit_exec_normalize(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order in: valbuf */
/* stack order out: valbuf */
if (out[0]->hasoutput==0) return;
/* Input has no image buffer? Then pass the value */
if (in[0]->data==NULL) {
copy_v4_v4(out[0]->vec, in[0]->vec);
}
else {
float min = 1.0f+BLENDER_ZMAX;
float max = -1.0f-BLENDER_ZMAX;
float mult = 1.0f;
float *val;
/* make output size of input image */
CompBuf *cbuf= in[0]->data;
int tot= cbuf->x*cbuf->y;
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1); /* allocs */
for (val = cbuf->rect; tot; tot--, val++) {
if ((*val > max) && (*val <= BLENDER_ZMAX)) {
max = *val;
}
if ((*val < min) && (*val >= -BLENDER_ZMAX)) {
min = *val;
}
}
/* In the rare case of flat buffer, which would cause a divide by 0, just pass the input to the output */
if ((max-min) != 0.0f) {
mult = 1.0f/(max-min);
composit3_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, NULL, &min, NULL, &mult, do_normalize, CB_VAL, CB_VAL, CB_VAL);
}
else {
memcpy(stackbuf->rect, cbuf->rect, sizeof(float) * cbuf->x * cbuf->y);
}
out[0]->data= stackbuf;
}
}
static void node_composit_exec_mix_rgb(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order in: fac, Image, Image */
/* stack order out: Image */
float *fac= in[0]->vec;
if(out[0]->hasoutput==0) return;
/* input no image? then only color operation */
if(in[1]->data==NULL && in[2]->data==NULL) {
do_mix_rgb(node, out[0]->vec, in[1]->vec, in[2]->vec, fac);
}
else {
/* make output size of first available input image */
CompBuf *cbuf= in[1]->data?in[1]->data:in[2]->data;
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* allocs */
composit3_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, in[2]->data, in[2]->vec, in[0]->data, fac, do_mix_rgb, CB_RGBA, CB_RGBA, CB_VAL);
out[0]->data= stackbuf;
generate_preview(data, node, out[0]->data);
}
}
static void node_composit_exec_splitviewer(void *data, bNode *node, bNodeStack **in, bNodeStack **UNUSED(out))
{
/* image assigned to output */
/* stack order input sockets: image image */
if(in[0]->data==NULL || in[1]->data==NULL)
return;
if(node->id && (node->flag & NODE_DO_OUTPUT)) { /* only one works on out */
Image *ima= (Image *)node->id;
RenderData *rd= data;
ImBuf *ibuf;
CompBuf *cbuf, *buf1, *buf2, *mask;
int x, y;
float offset;
void *lock;
buf1= typecheck_compbuf(in[0]->data, CB_RGBA);
buf2= typecheck_compbuf(in[1]->data, CB_RGBA);
BKE_image_user_calc_frame(node->storage, rd->cfra, 0);
/* always returns for viewer image, but we check nevertheless */
ibuf= BKE_image_acquire_ibuf(ima, node->storage, &lock);
if(ibuf==NULL) {
printf("node_composit_exec_viewer error\n");
BKE_image_release_ibuf(ima, lock);
return;
}
/* free all in ibuf */
imb_freerectImBuf(ibuf);
imb_freerectfloatImBuf(ibuf);
IMB_freezbuffloatImBuf(ibuf);
/* make ibuf, and connect to ima */
ibuf->x= buf1->x;
ibuf->y= buf1->y;
imb_addrectfloatImBuf(ibuf);
ima->ok= IMA_OK_LOADED;
/* output buf */
cbuf= alloc_compbuf(buf1->x, buf1->y, CB_RGBA, 0); /* no alloc*/
cbuf->rect= ibuf->rect_float;
/* mask buf */
mask= alloc_compbuf(buf1->x, buf1->y, CB_VAL, 1);
/* Check which offset mode is selected and limit offset if needed */
if(node->custom2 == 0) {
offset = buf1->x / 100.0f * node->custom1;
CLAMP(offset, 0, buf1->x);
}
else {
offset = buf1->y / 100.0f * node->custom1;
CLAMP(offset, 0, buf1->y);
}
if(node->custom2 == 0) {
for(y=0; y<buf1->y; y++) {
float *fac= mask->rect + y*buf1->x;
for(x=offset; x>0; x--, fac++)
*fac= 1.0f;
}
}
else {
for(y=0; y<offset; y++) {
float *fac= mask->rect + y*buf1->x;
for(x=buf1->x; x>0; x--, fac++)
*fac= 1.0f;
}
}
composit3_pixel_processor(node, cbuf, buf1, in[0]->vec, buf2, in[1]->vec, mask, NULL, do_copy_split_rgba, CB_RGBA, CB_RGBA, CB_VAL);
BKE_image_release_ibuf(ima, lock);
generate_preview(data, node, cbuf);
free_compbuf(cbuf);
free_compbuf(mask);
if(in[0]->data != buf1)
free_compbuf(buf1);
if(in[1]->data != buf2)
free_compbuf(buf2);
}
}
static void node_composit_exec_zcombine(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
RenderData *rd= data;
CompBuf *cbuf= in[0]->data;
CompBuf *zbuf;
/* stack order in: col z col z */
/* stack order out: col z */
if (out[0]->hasoutput==0 && out[1]->hasoutput==0)
return;
/* no input image; do nothing now */
if (in[0]->data==NULL) {
return;
}
if (out[1]->hasoutput) {
/* copy or make a buffer for for the first z value, here we write result in */
if (in[1]->data)
zbuf= dupalloc_compbuf(in[1]->data);
else {
float *zval;
int tot= cbuf->x*cbuf->y;
zbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1);
for (zval= zbuf->rect; tot; tot--, zval++)
*zval= in[1]->vec[0];
}
/* lazy coder hack */
node->custom2= 1;
out[1]->data= zbuf;
}
else {
node->custom2= 0;
zbuf= in[1]->data;
}
if (rd->scemode & R_FULL_SAMPLE) {
/* make output size of first input image */
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); // allocs
composit4_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, zbuf, in[1]->vec, in[2]->data, in[2]->vec,
in[3]->data, in[3]->vec, do_zcombine, CB_RGBA, CB_VAL, CB_RGBA, CB_VAL);
out[0]->data= stackbuf;
}
else {
/* make output size of first input image */
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* allocs */
CompBuf *mbuf;
float *fp;
int x;
char *aabuf;
/* make a mask based on comparison, optionally write zvalue */
mbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_VAL, 1);
composit2_pixel_processor(node, mbuf, zbuf, in[1]->vec, in[3]->data, in[3]->vec, do_zcombine_mask, CB_VAL, CB_VAL);
/* convert to char */
aabuf= MEM_mallocN(cbuf->x*cbuf->y, "aa buf");
fp= mbuf->rect;
for (x= cbuf->x*cbuf->y-1; x>=0; x--)
if (fp[x]==0.0f) aabuf[x]= 0;
else aabuf[x]= 255;
antialias_tagbuf(cbuf->x, cbuf->y, aabuf);
/* convert to float */
fp= mbuf->rect;
for (x= cbuf->x*cbuf->y-1; x>=0; x--)
if (aabuf[x]>1)
fp[x]= (1.0f/255.0f)*(float)aabuf[x];
composit3_pixel_processor(node, stackbuf, in[0]->data, in[0]->vec, in[2]->data, in[2]->vec, mbuf, NULL,
do_zcombine_add, CB_RGBA, CB_RGBA, CB_VAL);
/* free */
free_compbuf(mbuf);
MEM_freeN(aabuf);
out[0]->data= stackbuf;
}
}