void modifier_init_texture(Scene *scene, Tex *tex)
{
if (!tex)
return;
if (tex->ima && ELEM(tex->ima->source, IMA_SRC_MOVIE, IMA_SRC_SEQUENCE))
BKE_image_user_frame_calc(&tex->iuser, scene->r.cfra, 0);
}
void modifier_init_texture(Scene *scene, Tex *tex)
{
if (!tex)
return;
if (tex->ima && BKE_image_is_animated(tex->ima)) {
BKE_image_user_frame_calc(&tex->iuser, scene->r.cfra, 0);
}
}
static void rna_ImageUser_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
ImageUser *iuser = ptr->data;
ID *id = ptr->id.data;
BKE_image_user_frame_calc(iuser, scene->r.cfra);
if (id) {
if (GS(id->name) == ID_NT) {
/* Special update for nodetrees to find parent datablock. */
ED_node_tag_update_nodetree(bmain, (bNodeTree *)id, NULL);
}
else {
/* Update material or texture for render preview. */
DEG_id_tag_update(id, 0);
DEG_id_tag_update(id, ID_RECALC_EDITORS);
}
}
}
void ImageNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
/// Image output
OutputSocket *outputImage = this->getOutputSocket(0);
bNode *editorNode = this->getbNode();
Image *image = (Image *)editorNode->id;
ImageUser *imageuser = (ImageUser *)editorNode->storage;
int framenumber = context->getFramenumber();
int numberOfOutputs = this->getNumberOfOutputSockets();
BKE_image_user_frame_calc(imageuser, context->getFramenumber(), 0);
/* force a load, we assume iuser index will be set OK anyway */
if (image && image->type == IMA_TYPE_MULTILAYER) {
bool is_multilayer_ok = false;
ImBuf *ibuf = BKE_image_acquire_ibuf(image, imageuser, NULL);
if (image->rr) {
RenderLayer *rl = (RenderLayer *)BLI_findlink(&image->rr->layers, imageuser->layer);
if (rl) {
OutputSocket *socket;
int index;
is_multilayer_ok = true;
for (index = 0; index < numberOfOutputs; index++) {
NodeOperation *operation = NULL;
socket = this->getOutputSocket(index);
if (socket->isConnected() || index == 0) {
bNodeSocket *bnodeSocket = socket->getbNodeSocket();
NodeImageLayer *storage = (NodeImageLayer *)bnodeSocket->storage;
int passindex = storage->pass_index;
RenderPass *rpass = (RenderPass *)BLI_findlink(&rl->passes, passindex);
if (rpass) {
imageuser->pass = passindex;
switch (rpass->channels) {
case 1:
operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_VALUE);
break;
/* using image operations for both 3 and 4 channels (RGB and RGBA respectively) */
/* XXX any way to detect actual vector images? */
case 3:
operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_VECTOR);
break;
case 4:
operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_COLOR);
break;
default:
/* dummy operation is added below */
break;
}
if (index == 0 && operation) {
addPreviewOperation(graph, context, operation->getOutputSocket());
}
}
}
/* incase we can't load the layer */
if (operation == NULL) {
convertToOperations_invalid_index(graph, index);
}
}
}
}
BKE_image_release_ibuf(image, ibuf, NULL);
/* without this, multilayer that fail to load will crash blender [#32490] */
if (is_multilayer_ok == false) {
convertToOperations_invalid(graph, context);
}
}
else {
if (numberOfOutputs > 0) {
ImageOperation *operation = new ImageOperation();
if (outputImage->isConnected()) {
outputImage->relinkConnections(operation->getOutputSocket());
}
operation->setImage(image);
operation->setImageUser(imageuser);
operation->setFramenumber(framenumber);
graph->addOperation(operation);
addPreviewOperation(graph, context, operation->getOutputSocket());
}
if (numberOfOutputs > 1) {
OutputSocket *alphaImage = this->getOutputSocket(1);
if (alphaImage->isConnected()) {
ImageAlphaOperation *alphaOperation = new ImageAlphaOperation();
alphaOperation->setImage(image);
alphaOperation->setImageUser(imageuser);
alphaOperation->setFramenumber(framenumber);
alphaImage->relinkConnections(alphaOperation->getOutputSocket());
graph->addOperation(alphaOperation);
}
}
if (numberOfOutputs > 2) {
OutputSocket *depthImage = this->getOutputSocket(2);
if (depthImage->isConnected()) {
ImageDepthOperation *depthOperation = new ImageDepthOperation();
depthOperation->setImage(image);
depthOperation->setImageUser(imageuser);
depthOperation->setFramenumber(framenumber);
depthImage->relinkConnections(depthOperation->getOutputSocket());
graph->addOperation(depthOperation);
}
}
if (numberOfOutputs > 3) {
/* happens when unlinking image datablock from multilayer node */
for (int i = 3; i < numberOfOutputs; i++) {
OutputSocket *output = this->getOutputSocket(i);
NodeOperation *operation = NULL;
switch (output->getDataType()) {
case COM_DT_VALUE:
{
SetValueOperation *valueoperation = new SetValueOperation();
valueoperation->setValue(0.0f);
operation = valueoperation;
break;
}
case COM_DT_VECTOR:
{
SetVectorOperation *vectoroperation = new SetVectorOperation();
vectoroperation->setX(0.0f);
vectoroperation->setY(0.0f);
vectoroperation->setW(0.0f);
operation = vectoroperation;
break;
}
case COM_DT_COLOR:
{
SetColorOperation *coloroperation = new SetColorOperation();
coloroperation->setChannel1(0.0f);
coloroperation->setChannel2(0.0f);
coloroperation->setChannel3(0.0f);
coloroperation->setChannel4(0.0f);
operation = coloroperation;
break;
}
}
if (operation) {
output->relinkConnections(operation->getOutputSocket());
graph->addOperation(operation);
}
}
}
}
}
/* reads full rect, converts indices */
uint *ED_view3d_select_id_read(int xmin, int ymin, int xmax, int ymax, uint *r_buf_len)
{
if (UNLIKELY((xmin > xmax) || (ymin > ymax))) {
return NULL;
}
const rcti rect = {
.xmin = xmin,
.xmax = xmax + 1,
.ymin = ymin,
.ymax = ymax + 1,
};
uint buf_len;
uint *buf = ED_view3d_select_id_read_rect(&rect, &buf_len);
if (r_buf_len) {
*r_buf_len = buf_len;
}
return buf;
}
/* ************************************************************* */
static void view3d_stereo_bgpic_setup(Scene *scene, View3D *v3d, Image *ima, ImageUser *iuser)
{
if (BKE_image_is_stereo(ima)) {
iuser->flag |= IMA_SHOW_STEREO;
if ((scene->r.scemode & R_MULTIVIEW) == 0) {
iuser->multiview_eye = STEREO_LEFT_ID;
}
else if (v3d->stereo3d_camera != STEREO_3D_ID) {
/* show only left or right camera */
iuser->multiview_eye = v3d->stereo3d_camera;
}
BKE_image_multiview_index(ima, iuser);
}
else {
iuser->flag &= ~IMA_SHOW_STEREO;
}
}
static void view3d_draw_bgpic(Scene *scene,
Depsgraph *depsgraph,
ARegion *ar,
View3D *v3d,
const bool do_foreground,
const bool do_camera_frame)
{
RegionView3D *rv3d = ar->regiondata;
int fg_flag = do_foreground ? CAM_BGIMG_FLAG_FOREGROUND : 0;
if (v3d->camera == NULL || v3d->camera->type != OB_CAMERA) {
return;
}
Camera *cam = v3d->camera->data;
for (CameraBGImage *bgpic = cam->bg_images.first; bgpic; bgpic = bgpic->next) {
if ((bgpic->flag & CAM_BGIMG_FLAG_FOREGROUND) != fg_flag) {
continue;
}
{
float image_aspect[2];
float x1, y1, x2, y2, centx, centy;
void *lock;
Image *ima = NULL;
/* disable individual images */
if ((bgpic->flag & CAM_BGIMG_FLAG_DISABLED)) {
continue;
}
ImBuf *ibuf = NULL;
ImBuf *freeibuf = NULL;
ImBuf *releaseibuf = NULL;
if (bgpic->source == CAM_BGIMG_SOURCE_IMAGE) {
ima = bgpic->ima;
if (ima == NULL) {
continue;
}
ImageUser iuser = bgpic->iuser;
iuser.scene = scene; /* Needed for render results. */
BKE_image_user_frame_calc(&iuser, (int)DEG_get_ctime(depsgraph));
if (ima->source == IMA_SRC_SEQUENCE && !(iuser.flag & IMA_USER_FRAME_IN_RANGE)) {
ibuf = NULL; /* frame is out of range, dont show */
}
else {
view3d_stereo_bgpic_setup(scene, v3d, ima, &iuser);
ibuf = BKE_image_acquire_ibuf(ima, &iuser, &lock);
releaseibuf = ibuf;
}
image_aspect[0] = ima->aspx;
image_aspect[1] = ima->aspy;
}
else if (bgpic->source == CAM_BGIMG_SOURCE_MOVIE) {
/* TODO: skip drawing when out of frame range (as image sequences do above) */
MovieClip *clip = NULL;
if (bgpic->flag & CAM_BGIMG_FLAG_CAMERACLIP) {
if (scene->camera) {
clip = BKE_object_movieclip_get(scene, scene->camera, true);
}
}
else {
clip = bgpic->clip;
}
if (clip == NULL) {
continue;
}
BKE_movieclip_user_set_frame(&bgpic->cuser, (int)DEG_get_ctime(depsgraph));
ibuf = BKE_movieclip_get_ibuf(clip, &bgpic->cuser);
image_aspect[0] = clip->aspx;
image_aspect[1] = clip->aspy;
/* working with ibuf from image and clip has got different workflow now.
* ibuf acquired from clip is referenced by cache system and should
* be dereferenced after usage. */
freeibuf = ibuf;
}
else {
/* perhaps when loading future files... */
BLI_assert(0);
copy_v2_fl(image_aspect, 1.0f);
}
if (ibuf == NULL) {
continue;
}
if ((ibuf->rect == NULL && ibuf->rect_float == NULL) || ibuf->channels != 4) {
/* invalid image format */
if (freeibuf) {
IMB_freeImBuf(freeibuf);
}
if (releaseibuf) {
BKE_image_release_ibuf(ima, releaseibuf, lock);
}
continue;
}
if (ibuf->rect == NULL) {
IMB_rect_from_float(ibuf);
}
BLI_assert(rv3d->persp == RV3D_CAMOB);
{
if (do_camera_frame) {
rctf vb;
ED_view3d_calc_camera_border(scene, depsgraph, ar, v3d, rv3d, &vb, false);
x1 = vb.xmin;
y1 = vb.ymin;
x2 = vb.xmax;
y2 = vb.ymax;
}
else {
x1 = ar->winrct.xmin;
y1 = ar->winrct.ymin;
x2 = ar->winrct.xmax;
y2 = ar->winrct.ymax;
}
/* apply offset last - camera offset is different to offset in blender units */
/* so this has some sane way of working - this matches camera's shift _exactly_ */
{
const float max_dim = max_ff(x2 - x1, y2 - y1);
const float xof_scale = bgpic->offset[0] * max_dim;
const float yof_scale = bgpic->offset[1] * max_dim;
x1 += xof_scale;
y1 += yof_scale;
x2 += xof_scale;
y2 += yof_scale;
}
centx = (x1 + x2) * 0.5f;
centy = (y1 + y2) * 0.5f;
/* aspect correction */
if (bgpic->flag & CAM_BGIMG_FLAG_CAMERA_ASPECT) {
/* apply aspect from clip */
const float w_src = ibuf->x * image_aspect[0];
const float h_src = ibuf->y * image_aspect[1];
/* destination aspect is already applied from the camera frame */
const float w_dst = x1 - x2;
const float h_dst = y1 - y2;
const float asp_src = w_src / h_src;
const float asp_dst = w_dst / h_dst;
if (fabsf(asp_src - asp_dst) >= FLT_EPSILON) {
if ((asp_src > asp_dst) == ((bgpic->flag & CAM_BGIMG_FLAG_CAMERA_CROP) != 0)) {
/* fit X */
const float div = asp_src / asp_dst;
x1 = ((x1 - centx) * div) + centx;
x2 = ((x2 - centx) * div) + centx;
}
else {
/* fit Y */
const float div = asp_dst / asp_src;
y1 = ((y1 - centy) * div) + centy;
y2 = ((y2 - centy) * div) + centy;
}
}
}
}
/* complete clip? */
rctf clip_rect;
BLI_rctf_init(&clip_rect, x1, x2, y1, y2);
if (bgpic->rotation) {
BLI_rctf_rotate_expand(&clip_rect, &clip_rect, bgpic->rotation);
}
if (clip_rect.xmax < 0 || clip_rect.ymax < 0 || clip_rect.xmin > ar->winx ||
clip_rect.ymin > ar->winy) {
if (freeibuf) {
IMB_freeImBuf(freeibuf);
}
if (releaseibuf) {
BKE_image_release_ibuf(ima, releaseibuf, lock);
}
continue;
}
float zoomx = (x2 - x1) / ibuf->x;
float zoomy = (y2 - y1) / ibuf->y;
/* For some reason; zoom-levels down refuses to use GL_ALPHA_SCALE. */
if (zoomx < 1.0f || zoomy < 1.0f) {
float tzoom = min_ff(zoomx, zoomy);
int mip = 0;
if ((ibuf->userflags & IB_MIPMAP_INVALID) != 0) {
IMB_remakemipmap(ibuf, 0);
ibuf->userflags &= ~IB_MIPMAP_INVALID;
}
else if (ibuf->mipmap[0] == NULL) {
IMB_makemipmap(ibuf, 0);
}
while (tzoom < 1.0f && mip < 8 && ibuf->mipmap[mip]) {
tzoom *= 2.0f;
zoomx *= 2.0f;
zoomy *= 2.0f;
mip++;
}
if (mip > 0) {
ibuf = ibuf->mipmap[mip - 1];
}
}
GPU_depth_test(!do_foreground);
glDepthMask(GL_FALSE);
GPU_blend(true);
GPU_blend_set_func_separate(
GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
GPU_matrix_push_projection();
GPU_matrix_push();
ED_region_pixelspace(ar);
GPU_matrix_translate_2f(centx, centy);
GPU_matrix_scale_1f(bgpic->scale);
GPU_matrix_rotate_2d(RAD2DEGF(-bgpic->rotation));
if (bgpic->flag & CAM_BGIMG_FLAG_FLIP_X) {
zoomx *= -1.0f;
x1 = x2;
}
if (bgpic->flag & CAM_BGIMG_FLAG_FLIP_Y) {
zoomy *= -1.0f;
y1 = y2;
}
float col[4] = {1.0f, 1.0f, 1.0f, bgpic->alpha};
IMMDrawPixelsTexState state = immDrawPixelsTexSetup(GPU_SHADER_2D_IMAGE_COLOR);
immDrawPixelsTex(&state,
x1 - centx,
y1 - centy,
ibuf->x,
ibuf->y,
GL_RGBA,
GL_UNSIGNED_BYTE,
GL_LINEAR,
ibuf->rect,
zoomx,
zoomy,
col);
GPU_matrix_pop_projection();
GPU_matrix_pop();
GPU_blend(false);
glDepthMask(GL_TRUE);
GPU_depth_test(true);
if (freeibuf) {
IMB_freeImBuf(freeibuf);
}
if (releaseibuf) {
BKE_image_release_ibuf(ima, releaseibuf, lock);
}
}
}
}
static void rna_ImageUser_update(Main *UNUSED(bmain), Scene *scene, PointerRNA *ptr)
{
ImageUser *iuser = ptr->data;
BKE_image_user_frame_calc(iuser, scene->r.cfra, 0);
}
void ImageNode::convertToOperations(NodeConverter &converter, const CompositorContext &context) const
{
/// Image output
NodeOutput *outputImage = this->getOutputSocket(0);
bNode *editorNode = this->getbNode();
Image *image = (Image *)editorNode->id;
ImageUser *imageuser = (ImageUser *)editorNode->storage;
int framenumber = context.getFramenumber();
int numberOfOutputs = this->getNumberOfOutputSockets();
bool outputStraightAlpha = (editorNode->custom1 & CMP_NODE_IMAGE_USE_STRAIGHT_OUTPUT) != 0;
BKE_image_user_frame_calc(imageuser, context.getFramenumber(), 0);
/* force a load, we assume iuser index will be set OK anyway */
if (image && image->type == IMA_TYPE_MULTILAYER) {
bool is_multilayer_ok = false;
ImBuf *ibuf = BKE_image_acquire_ibuf(image, imageuser, NULL);
if (image->rr) {
RenderLayer *rl = (RenderLayer *)BLI_findlink(&image->rr->layers, imageuser->layer);
if (rl) {
NodeOutput *socket;
int index;
is_multilayer_ok = true;
for (index = 0; index < numberOfOutputs; index++) {
NodeOperation *operation = NULL;
socket = this->getOutputSocket(index);
bNodeSocket *bnodeSocket = socket->getbNodeSocket();
/* Passes in the file can differ from passes stored in sockets (#36755).
* Look up the correct file pass using the socket identifier instead.
*/
#if 0
NodeImageLayer *storage = (NodeImageLayer *)bnodeSocket->storage;*/
int passindex = storage->pass_index;*/
RenderPass *rpass = (RenderPass *)BLI_findlink(&rl->passes, passindex);
#endif
int passindex;
RenderPass *rpass;
for (rpass = (RenderPass *)rl->passes.first, passindex = 0; rpass; rpass = rpass->next, ++passindex)
if (STREQ(rpass->name, bnodeSocket->identifier))
break;
if (rpass) {
imageuser->pass = passindex;
switch (rpass->channels) {
case 1:
operation = doMultilayerCheck(converter, rl, image, imageuser, framenumber, index, passindex, COM_DT_VALUE);
break;
/* using image operations for both 3 and 4 channels (RGB and RGBA respectively) */
/* XXX any way to detect actual vector images? */
case 3:
operation = doMultilayerCheck(converter, rl, image, imageuser, framenumber, index, passindex, COM_DT_VECTOR);
break;
case 4:
operation = doMultilayerCheck(converter, rl, image, imageuser, framenumber, index, passindex, COM_DT_COLOR);
break;
default:
/* dummy operation is added below */
break;
}
if (index == 0 && operation) {
converter.addPreview(operation->getOutputSocket());
}
}
/* incase we can't load the layer */
if (operation == NULL)
converter.setInvalidOutput(getOutputSocket(index));
}
}
}
static void node_composit_exec_viewer(void *data, bNode *node, bNodeStack **in, bNodeStack **UNUSED(out))
{
/* image assigned to output */
/* stack order input sockets: col, alpha, z */
if (node->id && (node->flag & NODE_DO_OUTPUT)) { /* only one works on out */
RenderData *rd= data;
Image *ima= (Image *)node->id;
ImBuf *ibuf;
CompBuf *cbuf, *tbuf;
int rectx, recty;
void *lock;
BKE_image_user_frame_calc(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);
/* get size */
tbuf= in[0]->data?in[0]->data:(in[1]->data?in[1]->data:in[2]->data);
if (tbuf==NULL) {
rectx= 320; recty= 256;
}
else {
rectx= tbuf->x;
recty= tbuf->y;
}
/* make ibuf, and connect to ima */
ibuf->x= rectx;
ibuf->y= recty;
imb_addrectfloatImBuf(ibuf);
ima->ok= IMA_OK_LOADED;
/* now we combine the input with ibuf */
cbuf= alloc_compbuf(rectx, recty, CB_RGBA, 0); /* no alloc*/
cbuf->rect= ibuf->rect_float;
/* when no alpha, we can simply copy */
if (in[1]->data==NULL) {
composit1_pixel_processor(node, cbuf, in[0]->data, in[0]->vec, do_copy_rgba, CB_RGBA);
}
else
composit2_pixel_processor(node, cbuf, in[0]->data, in[0]->vec, in[1]->data, in[1]->vec, do_copy_a_rgba, CB_RGBA, CB_VAL);
/* zbuf option */
if (in[2]->data) {
CompBuf *zbuf= alloc_compbuf(rectx, recty, CB_VAL, 1);
ibuf->zbuf_float= zbuf->rect;
ibuf->mall |= IB_zbuffloat;
composit1_pixel_processor(node, zbuf, in[2]->data, in[2]->vec, do_copy_value, CB_VAL);
/* free compbuf, but not the rect */
zbuf->malloc= 0;
free_compbuf(zbuf);
}
BKE_image_release_ibuf(ima, lock);
generate_preview(data, node, cbuf);
free_compbuf(cbuf);
}
else if (in[0]->data) {
generate_preview(data, node, in[0]->data);
}
}
void ImageNode::convertToOperations(NodeConverter &converter, const CompositorContext &context) const
{
/// Image output
NodeOutput *outputImage = this->getOutputSocket(0);
bNode *editorNode = this->getbNode();
Image *image = (Image *)editorNode->id;
ImageUser *imageuser = (ImageUser *)editorNode->storage;
int framenumber = context.getFramenumber();
int numberOfOutputs = this->getNumberOfOutputSockets();
bool outputStraightAlpha = (editorNode->custom1 & CMP_NODE_IMAGE_USE_STRAIGHT_OUTPUT) != 0;
BKE_image_user_frame_calc(imageuser, context.getFramenumber(), 0);
/* force a load, we assume iuser index will be set OK anyway */
if (image && image->type == IMA_TYPE_MULTILAYER) {
bool is_multilayer_ok = false;
ImBuf *ibuf = BKE_image_acquire_ibuf(image, imageuser, NULL);
if (image->rr) {
RenderLayer *rl = (RenderLayer *)BLI_findlink(&image->rr->layers, imageuser->layer);
if (rl) {
NodeOutput *socket;
int index;
is_multilayer_ok = true;
for (index = 0; index < numberOfOutputs; index++) {
NodeOperation *operation = NULL;
socket = this->getOutputSocket(index);
bNodeSocket *bnodeSocket = socket->getbNodeSocket();
RenderPass *rpass = (RenderPass *)BLI_findstring(&rl->passes, bnodeSocket->identifier, offsetof(RenderPass, internal_name));
int view = 0;
/* Passes in the file can differ from passes stored in sockets (#36755).
* Look up the correct file pass using the socket identifier instead.
*/
#if 0
NodeImageLayer *storage = (NodeImageLayer *)bnodeSocket->storage;*/
int passindex = storage->pass_index;*/
RenderPass *rpass = (RenderPass *)BLI_findlink(&rl->passes, passindex);
#endif
/* returns the image view to use for the current active view */
if (BLI_listbase_count_ex(&image->rr->views, 2) > 1) {
const int view_image = imageuser->view;
const bool is_allview = (view_image == 0); /* if view selected == All (0) */
if (is_allview) {
/* heuristic to match image name with scene names
* check if the view name exists in the image */
view = BLI_findstringindex(&image->rr->views, context.getViewName(), offsetof(RenderView, name));
if (view == -1) view = 0;
}
else {
view = view_image - 1;
}
}
if (rpass) {
switch (rpass->channels) {
case 1:
operation = doMultilayerCheck(converter, rl, image, imageuser, framenumber, index,
rpass->passtype, view, COM_DT_VALUE);
break;
/* using image operations for both 3 and 4 channels (RGB and RGBA respectively) */
/* XXX any way to detect actual vector images? */
case 3:
operation = doMultilayerCheck(converter, rl, image, imageuser, framenumber, index,
rpass->passtype, view, COM_DT_VECTOR);
break;
case 4:
operation = doMultilayerCheck(converter, rl, image, imageuser, framenumber, index,
rpass->passtype, view, COM_DT_COLOR);
break;
default:
/* dummy operation is added below */
break;
}
if (index == 0 && operation) {
converter.addPreview(operation->getOutputSocket());
}
if (rpass->passtype == SCE_PASS_COMBINED) {
BLI_assert(operation != NULL);
BLI_assert(index < numberOfOutputs - 1);
NodeOutput *outputSocket = this->getOutputSocket(index + 1);
SeparateChannelOperation *separate_operation;
separate_operation = new SeparateChannelOperation();
separate_operation->setChannel(3);
converter.addOperation(separate_operation);
converter.addLink(operation->getOutputSocket(), separate_operation->getInputSocket(0));
converter.mapOutputSocket(outputSocket, separate_operation->getOutputSocket());
index++;
}
}
/* incase we can't load the layer */
if (operation == NULL)
converter.setInvalidOutput(getOutputSocket(index));
}
}
}
