/* applies to render pipeline */
static void node_composit_exec_composite(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
/* image assigned to output */
/* stack order input sockets: col, alpha, z */
if(node->flag & NODE_DO_OUTPUT) { /* only one works on out */
Scene *scene= (Scene *)node->id;
RenderData *rd= data;
if(scene && (rd->scemode & R_DOCOMP)) {
Render *re= RE_GetRender(scene->id.name);
RenderResult *rr= RE_AcquireResultWrite(re);
if(rr) {
CompBuf *outbuf, *zbuf=NULL;
if(rr->rectf)
MEM_freeN(rr->rectf);
outbuf= alloc_compbuf(rr->rectx, rr->recty, CB_RGBA, 1);
if(in[1]->data==NULL)
composit1_pixel_processor(node, outbuf, in[0]->data, in[0]->vec, do_copy_rgba, CB_RGBA);
else
composit2_pixel_processor(node, outbuf, in[0]->data, in[0]->vec, in[1]->data, in[1]->vec, do_copy_a_rgba, CB_RGBA, CB_VAL);
if(in[2]->data) {
if(rr->rectz)
MEM_freeN(rr->rectz);
zbuf= alloc_compbuf(rr->rectx, rr->recty, CB_VAL, 1);
composit1_pixel_processor(node, zbuf, in[2]->data, in[2]->vec, do_copy_value, CB_VAL);
rr->rectz= zbuf->rect;
zbuf->malloc= 0;
free_compbuf(zbuf);
}
generate_preview(data, node, outbuf);
/* we give outbuf to rr... */
rr->rectf= outbuf->rect;
outbuf->malloc= 0;
free_compbuf(outbuf);
RE_ReleaseResult(re);
/* signal for imageviewer to refresh (it converts to byte rects...) */
BKE_image_signal(BKE_image_verify_viewer(IMA_TYPE_R_RESULT, "Render Result"), NULL, IMA_SIGNAL_FREE);
return;
}
else
RE_ReleaseResult(re);
}
}
if(in[0]->data)
generate_preview(data, node, in[0]->data);
}
/* Renders texture directly to render buffer. */
static void shader_preview_texture(ShaderPreview *sp, Tex *tex, Scene *sce, Render *re)
{
/* Setup output buffer. */
int width = sp->sizex;
int height = sp->sizey;
/* This is needed otherwise no RenderResult is created. */
sce->r.scemode &= ~R_BUTS_PREVIEW;
RE_InitState(re, NULL, &sce->r, &sce->view_layers, NULL, width, height, NULL);
RE_SetScene(re, sce);
/* Create buffer in empty RenderView created in the init step. */
RenderResult *rr = RE_AcquireResultWrite(re);
RenderView *rv = (RenderView *)rr->views.first;
rv->rectf = MEM_callocN(sizeof(float) * 4 * width * height, "texture render result");
RE_ReleaseResult(re);
/* Get texture image pool (if any) */
struct ImagePool *img_pool = BKE_image_pool_new();
BKE_texture_fetch_images_for_pool(tex, img_pool);
/* Fill in image buffer. */
float *rect_float = rv->rectf;
float tex_coord[3] = {0.0f, 0.0f, 0.0f};
bool color_manage = true;
for (int y = 0; y < height; y++) {
/* Tex coords between -1.0f and 1.0f. */
tex_coord[1] = ((float)y / (float)height) * 2.0f - 1.0f;
for (int x = 0; x < width; x++) {
tex_coord[0] = ((float)x / (float)height) * 2.0f - 1.0f;
/* Evaluate texture at tex_coord .*/
TexResult texres = {0};
BKE_texture_get_value_ex(sce, tex, tex_coord, &texres, img_pool, color_manage);
rect_float[0] = texres.tr;
rect_float[1] = texres.tg;
rect_float[2] = texres.tb;
rect_float[3] = 1.0f;
rect_float += 4;
}
/* Check if we should cancel texture preview. */
if (shader_preview_break(sp)) {
break;
}
}
BKE_image_pool_free(img_pool);
}
void CompositorOperation::deinitExecution()
{
if (!this->m_active)
return;
if (!isBreaked()) {
Render *re = RE_GetRender(this->m_sceneName);
RenderResult *rr = RE_AcquireResultWrite(re);
if (rr) {
if (rr->rectf != NULL) {
MEM_freeN(rr->rectf);
}
rr->rectf = this->m_outputBuffer;
if (rr->rectz != NULL) {
MEM_freeN(rr->rectz);
}
rr->rectz = this->m_depthBuffer;
}
else {
if (this->m_outputBuffer) {
MEM_freeN(this->m_outputBuffer);
}
if (this->m_depthBuffer) {
MEM_freeN(this->m_depthBuffer);
}
}
if (re) {
RE_ReleaseResult(re);
re = NULL;
}
BLI_lock_thread(LOCK_DRAW_IMAGE);
BKE_image_signal(BKE_image_verify_viewer(IMA_TYPE_R_RESULT, "Render Result"), NULL, IMA_SIGNAL_FREE);
BLI_unlock_thread(LOCK_DRAW_IMAGE);
}
else {
if (this->m_outputBuffer) {
MEM_freeN(this->m_outputBuffer);
}
if (this->m_depthBuffer) {
MEM_freeN(this->m_depthBuffer);
}
}
this->m_outputBuffer = NULL;
this->m_depthBuffer = NULL;
this->m_imageInput = NULL;
this->m_alphaInput = NULL;
this->m_depthInput = NULL;
}
static void screen_opengl_views_setup(OGLRender *oglrender)
{
RenderResult *rr;
RenderView *rv;
SceneRenderView *srv;
bool is_multiview;
View3D *v3d = oglrender->v3d;
RenderData *rd = &oglrender->scene->r;
rr = RE_AcquireResultWrite(oglrender->re);
is_multiview = screen_opengl_is_multiview(oglrender);
if (!is_multiview) {
/* we only have one view when multiview is off */
rv = rr->views.first;
if (rv == NULL) {
rv = MEM_callocN(sizeof(RenderView), "new opengl render view");
BLI_addtail(&rr->views, rv);
}
while (rv->next) {
RenderView *rv_del = rv->next;
BLI_remlink(&rr->views, rv_del);
if (rv_del->rectf)
MEM_freeN(rv_del->rectf);
if (rv_del->rectz)
MEM_freeN(rv_del->rectz);
MEM_freeN(rv_del);
}
}
else {
if (!oglrender->is_sequencer)
RE_SetOverrideCamera(oglrender->re, V3D_CAMERA_SCENE(oglrender->scene, v3d));
/* remove all the views that are not needed */
rv = rr->views.last;
while (rv) {
srv = BLI_findstring(&rd->views, rv->name, offsetof(SceneRenderView, name));
if (BKE_scene_multiview_is_render_view_active(rd, srv)) {
if (rv->rectf == NULL)
rv->rectf = MEM_callocN(sizeof(float) * 4 * oglrender->sizex * oglrender->sizey, "screen_opengl_render_init rect");
rv = rv->prev;
}
else {
RenderView *rv_del = rv;
rv = rv_del->prev;
BLI_remlink(&rr->views, rv_del);
if (rv_del->rectf)
MEM_freeN(rv_del->rectf);
if (rv_del->rectz)
MEM_freeN(rv_del->rectz);
MEM_freeN(rv_del);
}
}
/* create all the views that are needed */
for (srv = rd->views.first; srv; srv = srv->next) {
if (BKE_scene_multiview_is_render_view_active(rd, srv) == false)
continue;
rv = BLI_findstring(&rr->views, srv->name, offsetof(SceneRenderView, name));
if (rv == NULL) {
rv = MEM_callocN(sizeof(RenderView), "new opengl render view");
BLI_strncpy(rv->name, srv->name, sizeof(rv->name));
BLI_addtail(&rr->views, rv);
}
}
}
for (rv = rr->views.first; rv; rv = rv->next) {
if (rv->rectf == NULL) {
rv->rectf = MEM_callocN(sizeof(float) * 4 * oglrender->sizex * oglrender->sizey, "screen_opengl_render_init rect");
}
}
BLI_lock_thread(LOCK_DRAW_IMAGE);
if (is_multiview && BKE_scene_multiview_is_stereo3d(rd)) {
oglrender->ima->flag |= IMA_IS_STEREO;
}
else {
oglrender->ima->flag &= ~IMA_IS_STEREO;
oglrender->iuser.flag &= ~IMA_SHOW_STEREO;
}
BLI_unlock_thread(LOCK_DRAW_IMAGE);
RE_ReleaseResult(oglrender->re);
}
static int screen_opengl_render_init(bContext *C, wmOperator *op)
{
/* new render clears all callbacks */
wmWindowManager *wm = CTX_wm_manager(C);
wmWindow *win = CTX_wm_window(C);
Scene *scene = CTX_data_scene(C);
ScrArea *prevsa = CTX_wm_area(C);
ARegion *prevar = CTX_wm_region(C);
RenderResult *rr;
GPUOffScreen *ofs;
OGLRender *oglrender;
int sizex, sizey;
short is_view_context = RNA_boolean_get(op->ptr, "view_context");
const short is_animation = RNA_boolean_get(op->ptr, "animation");
const short is_sequencer = RNA_boolean_get(op->ptr, "sequencer");
const short is_write_still = RNA_boolean_get(op->ptr, "write_still");
char err_out[256] = "unknown";
if (G.background) {
BKE_report(op->reports, RPT_ERROR, "Cannot use OpenGL render in background mode (no opengl context)");
return 0;
}
/* ensure we have a 3d view */
if (!ED_view3d_context_activate(C)) {
RNA_boolean_set(op->ptr, "view_context", FALSE);
is_view_context = 0;
}
/* only one render job at a time */
if (WM_jobs_test(wm, scene, WM_JOB_TYPE_RENDER))
return 0;
if (!is_view_context && scene->camera == NULL) {
BKE_report(op->reports, RPT_ERROR, "Scene has no camera");
return 0;
}
if (!is_animation && is_write_still && BKE_imtype_is_movie(scene->r.im_format.imtype)) {
BKE_report(op->reports, RPT_ERROR, "Cannot write a single file with an animation format selected");
return 0;
}
/* stop all running jobs, except screen one. currently previews frustrate Render */
WM_jobs_kill_all_except(wm, CTX_wm_screen(C));
/* create offscreen buffer */
sizex = (scene->r.size * scene->r.xsch) / 100;
sizey = (scene->r.size * scene->r.ysch) / 100;
/* corrects render size with actual size, not every card supports non-power-of-two dimensions */
ofs = GPU_offscreen_create(sizex, sizey, err_out);
if (!ofs) {
BKE_reportf(op->reports, RPT_ERROR, "Failed to create OpenGL off-screen buffer, %s", err_out);
return 0;
}
/* allocate opengl render */
oglrender = MEM_callocN(sizeof(OGLRender), "OGLRender");
op->customdata = oglrender;
oglrender->ofs = ofs;
oglrender->sizex = sizex;
oglrender->sizey = sizey;
oglrender->bmain = CTX_data_main(C);
oglrender->scene = scene;
oglrender->cfrao = scene->r.cfra;
oglrender->write_still = is_write_still && !is_animation;
oglrender->is_sequencer = is_sequencer;
if (is_sequencer) {
oglrender->sseq = CTX_wm_space_seq(C);
}
oglrender->obcenter_dia_back = U.obcenter_dia;
U.obcenter_dia = 0;
oglrender->prevsa = prevsa;
oglrender->prevar = prevar;
if (is_view_context) {
ED_view3d_context_user_region(C, &oglrender->v3d, &oglrender->ar); /* so quad view renders camera */
oglrender->rv3d = oglrender->ar->regiondata;
/* MUST be cleared on exit */
oglrender->scene->customdata_mask_modal = ED_view3d_datamask(oglrender->scene, oglrender->v3d);
/* apply immediately in case we're rendering from a script,
* running notifiers again will overwrite */
oglrender->scene->customdata_mask |= oglrender->scene->customdata_mask_modal;
}
/* create render */
oglrender->re = RE_NewRender(scene->id.name);
/* create image and image user */
oglrender->ima = BKE_image_verify_viewer(IMA_TYPE_R_RESULT, "Render Result");
BKE_image_signal(oglrender->ima, NULL, IMA_SIGNAL_FREE);
BKE_image_backup_render(oglrender->scene, oglrender->ima);
oglrender->iuser.scene = scene;
oglrender->iuser.ok = 1;
/* create render result */
RE_InitState(oglrender->re, NULL, &scene->r, NULL, sizex, sizey, NULL);
rr = RE_AcquireResultWrite(oglrender->re);
if (rr->rectf == NULL)
rr->rectf = MEM_callocN(sizeof(float) * 4 * sizex * sizey, "screen_opengl_render_init rect");
RE_ReleaseResult(oglrender->re);
/* wm vars */
oglrender->wm = wm;
oglrender->win = win;
return 1;
}