Fix #37123: UV editor view does not update when using large faces

Update tagging was happening only after full triangle was handled.
Now made it so images are updating once in 0.5sec, progress bar
will still update only after the whole triangle is done.

3 files changed, 14 insertions, 4 deletions

diff --git a/source/blender/editors/object/object_bake.c b/source/blender/editors/object/object_bake.c
index 4a8097f260e..060e48f39bc 100644
--- a/source/blender/editors/object/object_bake.c
+++ b/source/blender/editors/object/object_bake.c
@@ -556,7 +556,7 @@ static int multiresbake_image_exec(bContext *C, wmOperator *op)
 	wm_job = WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), scene, "Multires Bake",
 	                     WM_JOB_EXCL_RENDER | WM_JOB_PRIORITY | WM_JOB_PROGRESS, WM_JOB_TYPE_OBJECT_BAKE_TEXTURE);
 	WM_jobs_customdata_set(wm_job, bkr, multiresbake_freejob);
-	WM_jobs_timer(wm_job, 0.2, NC_IMAGE, 0); /* TODO - only draw bake image, can we enforce this */
+	WM_jobs_timer(wm_job, 0.5, NC_IMAGE, 0); /* TODO - only draw bake image, can we enforce this */
 	WM_jobs_callbacks(wm_job, multiresbake_startjob, NULL, NULL, NULL);
 
 	G.is_break = FALSE;
@@ -816,7 +816,7 @@ static int objects_bake_render_invoke(bContext *C, wmOperator *op, const wmEvent
 			wm_job = WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), scene, "Texture Bake",
 			                     WM_JOB_EXCL_RENDER | WM_JOB_PRIORITY | WM_JOB_PROGRESS, WM_JOB_TYPE_OBJECT_BAKE_TEXTURE);
 			WM_jobs_customdata_set(wm_job, bkr, bake_freejob);
-			WM_jobs_timer(wm_job, 0.2, NC_IMAGE, 0); /* TODO - only draw bake image, can we enforce this */
+			WM_jobs_timer(wm_job, 0.5, NC_IMAGE, 0); /* TODO - only draw bake image, can we enforce this */
 			WM_jobs_callbacks(wm_job, bake_startjob, NULL, bake_update, NULL);
 
 			G.is_break = FALSE;
diff --git a/source/blender/render/intern/source/bake.c b/source/blender/render/intern/source/bake.c
index cb6ca0e30ac..c150133b276 100644
--- a/source/blender/render/intern/source/bake.c
+++ b/source/blender/render/intern/source/bake.c
@@ -322,6 +322,10 @@ static void bake_shade(void *handle, Object *ob, ShadeInput *shi, int UNUSED(qua
 	if (bs->rect_mask) {
 		bs->rect_mask[bs->rectx * y + x] = FILTER_MASK_USED;
 	}
+
+	if (bs->do_update) {
+		*bs->do_update = true;
+	}
 }
 
 static void bake_displacement(void *handle, ShadeInput *UNUSED(shi), float dist, int x, int y)
diff --git a/source/blender/render/intern/source/multires_bake.c b/source/blender/render/intern/source/multires_bake.c
index 3259608c18f..3ae075b4936 100644
--- a/source/blender/render/intern/source/multires_bake.c
+++ b/source/blender/render/intern/source/multires_bake.c
@@ -95,6 +95,7 @@ typedef struct {
 	char *texels;
 	const MResolvePixelData *data;
 	MFlushPixel flush_pixel;
+	short *do_update;
 } MBakeRast;
 
 typedef struct {
@@ -162,7 +163,8 @@ static void multiresbake_get_normal(const MResolvePixelData *data, float norm[],
 	}
 }
 
-static void init_bake_rast(MBakeRast *bake_rast, const ImBuf *ibuf, const MResolvePixelData *data, MFlushPixel flush_pixel)
+static void init_bake_rast(MBakeRast *bake_rast, const ImBuf *ibuf, const MResolvePixelData *data,
+                           MFlushPixel flush_pixel, short *do_update)
 {
 	BakeImBufuserData *userdata = (BakeImBufuserData *) ibuf->userdata;
 
@@ -173,6 +175,7 @@ static void init_bake_rast(MBakeRast *bake_rast, const ImBuf *ibuf, const MResol
 	bake_rast->h = ibuf->y;
 	bake_rast->data = data;
 	bake_rast->flush_pixel = flush_pixel;
+	bake_rast->do_update = do_update;
 }
 
 static void flush_pixel(const MResolvePixelData *data, const int x, const int y)
@@ -240,6 +243,9 @@ static void set_rast_triangle(const MBakeRast *bake_rast, const int x, const int
 		if ((bake_rast->texels[y * w + x]) == 0) {
 			bake_rast->texels[y * w + x] = FILTER_MASK_USED;
 			flush_pixel(bake_rast->data, x, y);
+			if (bake_rast->do_update) {
+				*bake_rast->do_update = true;
+			}
 		}
 	}
 }
@@ -529,7 +535,7 @@ static void do_multires_bake(MultiresBakeRender *bkr, Image *ima, int require_ta
 			handle->height_min = FLT_MAX;
 			handle->height_max = -FLT_MAX;
 
-			init_bake_rast(&handle->bake_rast, ibuf, &handle->data, flush_pixel);
+			init_bake_rast(&handle->bake_rast, ibuf, &handle->data, flush_pixel, bkr->do_update);
 
 			if (tot_thread > 1)
 				BLI_insert_thread(&threads, handle);