/* copy current render */
static Render *envmap_render_copy(Render *re, EnvMap *env)
{
Render *envre;
float viewscale;
int cuberes;
envre = RE_NewRender("Envmap");
env->lastsize = re->r.size;
cuberes = (env->cuberes * re->r.size) / 100;
cuberes &= 0xFFFC;
/* this flag has R_ZTRA in it for example */
envre->flag = re->flag;
/* set up renderdata */
envre->r = re->r;
envre->r.mode &= ~(R_BORDER | R_PANORAMA | R_ORTHO | R_MBLUR);
envre->r.layers.first = envre->r.layers.last = NULL;
envre->r.filtertype = 0;
envre->r.tilex = envre->r.xsch / 2;
envre->r.tiley = envre->r.ysch / 2;
envre->r.size = 100;
envre->r.yasp = envre->r.xasp = 1;
RE_InitState(envre, NULL, &envre->r, NULL, cuberes, cuberes, NULL);
envre->main = re->main;
envre->scene = re->scene; /* unsure about this... */
envre->scene_color_manage = re->scene_color_manage;
envre->lay = re->lay;
/* view stuff in env render */
viewscale = (env->type == ENV_PLANE) ? env->viewscale : 1.0f;
RE_SetEnvmapCamera(envre, env->object, viewscale, env->clipsta, env->clipend);
copy_m4_m4(envre->viewmat_orig, re->viewmat_orig);
/* callbacks */
envre->display_draw = re->display_draw;
envre->ddh = re->ddh;
envre->test_break = re->test_break;
envre->tbh = re->tbh;
/* and for the evil stuff; copy the database... */
envre->totvlak = re->totvlak;
envre->totvert = re->totvert;
envre->tothalo = re->tothalo;
envre->totstrand = re->totstrand;
envre->totlamp = re->totlamp;
envre->sortedhalos = re->sortedhalos;
envre->lights = re->lights;
envre->objecttable = re->objecttable;
envre->customdata_names = re->customdata_names;
envre->raytree = re->raytree;
envre->totinstance = re->totinstance;
envre->instancetable = re->instancetable;
envre->objectinstance = re->objectinstance;
envre->qmcsamplers = re->qmcsamplers;
return envre;
}
/* 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);
}
static void render_view3d_startjob(void *customdata, short *stop, short *do_update, float *UNUSED(progress))
{
RenderPreview *rp = customdata;
Render *re;
RenderStats *rstats;
RenderData rdata;
rctf viewplane;
rcti cliprct;
float clipsta, clipend, pixsize;
bool orth, restore = 0;
char name[32];
G.is_break = FALSE;
if (false == render_view3d_get_rects(rp->ar, rp->v3d, rp->rv3d, &viewplane, rp->engine, &clipsta, &clipend, &pixsize, &orth))
return;
rp->stop = stop;
rp->do_update = do_update;
// printf("Enter previewrender\n");
/* ok, are we rendering all over? */
sprintf(name, "View3dPreview %p", (void *)rp->ar);
re = rp->engine->re = RE_GetRender(name);
if (rp->engine->re == NULL) {
re = rp->engine->re = RE_NewRender(name);
rp->keep_data = 0;
}
/* set this always, rp is different for each job */
RE_test_break_cb(re, rp, render_view3d_break);
RE_display_draw_cb(re, rp, render_view3d_draw_update);
RE_stats_draw_cb(re, rp, render_view3d_renderinfo_cb);
rstats = RE_GetStats(re);
if (rp->keep_data == 0 || rstats->convertdone == 0 || (rp->keep_data & PR_UPDATE_RENDERSIZE)) {
/* no osa, blur, seq, layers, etc for preview render */
rdata = rp->scene->r;
rdata.mode &= ~(R_OSA | R_MBLUR | R_BORDER | R_PANORAMA);
rdata.scemode &= ~(R_DOSEQ | R_DOCOMP | R_FREE_IMAGE);
rdata.scemode |= R_VIEWPORT_PREVIEW;
/* we do use layers, but only active */
rdata.scemode |= R_SINGLE_LAYER;
/* initalize always */
if (render_view3d_disprect(rp->scene, rp->ar, rp->v3d, rp->rv3d, &cliprct)) {
rdata.mode |= R_BORDER;
RE_InitState(re, NULL, &rdata, NULL, rp->ar->winx, rp->ar->winy, &cliprct);
}
else
RE_InitState(re, NULL, &rdata, NULL, rp->ar->winx, rp->ar->winy, NULL);
}
if (orth)
RE_SetOrtho(re, &viewplane, clipsta, clipend);
else
RE_SetWindow(re, &viewplane, clipsta, clipend);
RE_SetPixelSize(re, pixsize);
/* database free can crash on a empty Render... */
if (rp->keep_data == 0 && rstats->convertdone)
RE_Database_Free(re);
if (rstats->convertdone == 0) {
unsigned int lay = rp->scene->lay;
/* allow localview render for objects with lights in normal layers */
if (rp->v3d->lay & 0xFF000000)
lay |= rp->v3d->lay;
else lay = rp->v3d->lay;
RE_SetView(re, rp->viewmat);
RE_Database_FromScene(re, rp->bmain, rp->scene, lay, 0); // 0= dont use camera view
// printf("dbase update\n");
}
else {
// printf("dbase rotate\n");
RE_DataBase_IncrementalView(re, rp->viewmat, 0);
restore = 1;
}
RE_DataBase_ApplyWindow(re);
/* OK, can we enter render code? */
if (rstats->convertdone) {
RE_TileProcessor(re);
/* always rotate back */
if (restore)
RE_DataBase_IncrementalView(re, rp->viewmat, 1);
rp->engine->flag &= ~RE_ENGINE_DO_UPDATE;
}
}
static void render_view3d_startjob(void *customdata, short *stop, short *do_update, float *UNUSED(progress))
{
RenderPreview *rp = customdata;
Render *re;
RenderStats *rstats;
RenderData rdata;
rctf viewplane;
rcti cliprct;
float clipsta, clipend, pixsize;
bool orth, restore = 0;
char name[32];
int update_flag;
update_flag = rp->engine->job_update_flag;
rp->engine->job_update_flag = 0;
//printf("ma %d res %d view %d db %d\n", update_flag & PR_UPDATE_MATERIAL, update_flag & PR_UPDATE_RENDERSIZE, update_flag & PR_UPDATE_VIEW, update_flag & PR_UPDATE_DATABASE);
G.is_break = FALSE;
if (false == render_view3d_get_rects(rp->ar, rp->v3d, rp->rv3d, &viewplane, rp->engine, &clipsta, &clipend, &pixsize, &orth))
return;
rp->stop = stop;
rp->do_update = do_update;
// printf("Enter previewrender\n");
/* ok, are we rendering all over? */
sprintf(name, "View3dPreview %p", (void *)rp->ar);
re = rp->engine->re = RE_GetRender(name);
/* set this always, rp is different for each job */
RE_test_break_cb(re, rp, render_view3d_break);
RE_display_draw_cb(re, rp, render_view3d_draw_update);
RE_stats_draw_cb(re, rp, render_view3d_renderinfo_cb);
rstats = RE_GetStats(re);
if ((update_flag & (PR_UPDATE_RENDERSIZE | PR_UPDATE_DATABASE)) || rstats->convertdone == 0) {
/* no osa, blur, seq, layers, etc for preview render */
rdata = rp->scene->r;
rdata.mode &= ~(R_OSA | R_MBLUR | R_BORDER | R_PANORAMA);
rdata.scemode &= ~(R_DOSEQ | R_DOCOMP | R_FREE_IMAGE);
rdata.scemode |= R_VIEWPORT_PREVIEW;
/* we do use layers, but only active */
rdata.scemode |= R_SINGLE_LAYER;
/* initalize always */
if (render_view3d_disprect(rp->scene, rp->ar, rp->v3d, rp->rv3d, &cliprct)) {
rdata.mode |= R_BORDER;
RE_InitState(re, NULL, &rdata, NULL, rp->ar->winx, rp->ar->winy, &cliprct);
}
else
RE_InitState(re, NULL, &rdata, NULL, rp->ar->winx, rp->ar->winy, NULL);
}
if (orth)
RE_SetOrtho(re, &viewplane, clipsta, clipend);
else
RE_SetWindow(re, &viewplane, clipsta, clipend);
RE_SetPixelSize(re, pixsize);
if ((update_flag & PR_UPDATE_DATABASE) || rstats->convertdone == 0) {
unsigned int lay = rp->scene->lay;
/* allow localview render for objects with lights in normal layers */
if (rp->v3d->lay & 0xFF000000)
lay |= rp->v3d->lay;
else lay = rp->v3d->lay;
RE_SetView(re, rp->viewmat);
/* copying blender data while main thread is locked, to avoid crashes */
WM_job_main_thread_lock_acquire(rp->job);
RE_Database_Free(re);
RE_Database_FromScene(re, rp->bmain, rp->scene, lay, 0); // 0= dont use camera view
WM_job_main_thread_lock_release(rp->job);
/* do preprocessing like building raytree, shadows, volumes, SSS */
RE_Database_Preprocess(re);
/* conversion not completed, need to do it again */
if (!rstats->convertdone) {
if (render_view3d_is_valid(rp)) {
rp->engine->job_update_flag |= PR_UPDATE_DATABASE;
}
}
// printf("dbase update\n");
}
else {
// printf("dbase rotate\n");
RE_DataBase_IncrementalView(re, rp->viewmat, 0);
restore = 1;
}
RE_DataBase_ApplyWindow(re);
/* OK, can we enter render code? */
if (rstats->convertdone) {
RE_TileProcessor(re);
/* always rotate back */
if (restore)
RE_DataBase_IncrementalView(re, rp->viewmat, 1);
}
}
static bool 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);
GPUOffScreen *ofs;
OGLRender *oglrender;
int sizex, sizey;
bool is_view_context = RNA_boolean_get(op->ptr, "view_context");
const bool is_animation = RNA_boolean_get(op->ptr, "animation");
const bool is_sequencer = RNA_boolean_get(op->ptr, "sequencer");
const bool 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 false;
}
/* only one render job at a time */
if (WM_jobs_test(wm, scene, WM_JOB_TYPE_RENDER))
return false;
if (is_sequencer) {
is_view_context = false;
}
else {
/* ensure we have a 3d view */
if (!ED_view3d_context_activate(C)) {
RNA_boolean_set(op->ptr, "view_context", false);
is_view_context = false;
}
if (!is_view_context && scene->camera == NULL) {
BKE_report(op->reports, RPT_ERROR, "Scene has no camera");
return false;
}
}
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 false;
}
/* 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 false;
}
/* 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->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;
if (oglrender->v3d->fx_settings.fx_flag & (GPU_FX_FLAG_DOF | GPU_FX_FLAG_SSAO)) {
oglrender->fx = GPU_fx_compositor_create();
}
}
/* 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);
/* create render views */
screen_opengl_views_setup(oglrender);
/* wm vars */
oglrender->wm = wm;
oglrender->win = win;
oglrender->totvideos = 0;
oglrender->mh = NULL;
oglrender->movie_ctx_arr = NULL;
return true;
}
