Merge branch 'blender-v3.1-release'

source/blender/blenkernel/intern/image.c

@@ -4361,7 +4361,7 @@ RenderResult *BKE_image_acquire_renderresult(Scene *scene, Image *ima)
     }
     else {
       rr = BKE_image_get_renderslot(ima, ima->render_slot)->render;
-      ima->gpuflag |= IMA_GPU_REFRESH;
+      BKE_image_partial_update_mark_full_update(ima);
     }
 
     /* set proper views */
@@ -5729,7 +5729,7 @@ void BKE_image_user_frame_calc(Image *ima, ImageUser *iuser, int cfra)
       /* NOTE: a single texture and refresh doesn't really work when
        * multiple image users may use different frames, this is to
        * be improved with perhaps a GPU texture cache. */
-      ima->gpuflag |= IMA_GPU_REFRESH;
+      BKE_image_partial_update_mark_full_update(ima);
       ima->gpuframenr = iuser->framenr;
     }
 

source/blender/blenkernel/intern/image_gpu.cc

@@ -389,18 +389,9 @@ static GPUTexture *image_get_gpu_texture(Image *ima,
     ima->gpu_pass = requested_pass;
     ima->gpu_layer = requested_layer;
     ima->gpu_view = requested_view;
-    ima->gpuflag |= IMA_GPU_REFRESH;
   }
 #undef GPU_FLAGS_TO_CHECK
 
-  /* TODO(jbakker): We should replace the IMA_GPU_REFRESH flag with a call to
-   * BKE_image-partial_update_mark_full_update. Although the flag is quicker it leads to double
-   * administration. */
-  if ((ima->gpuflag & IMA_GPU_REFRESH) != 0) {
-    BKE_image_partial_update_mark_full_update(ima);
-    ima->gpuflag &= ~IMA_GPU_REFRESH;
-  }
-
   if (ima->runtime.partial_update_user == nullptr) {
     ima->runtime.partial_update_user = BKE_image_partial_update_create(ima);
   }

source/blender/draw/engines/image/image_drawing_mode.hh

@@ -458,6 +458,9 @@ template<typename TextureMethod> class ScreenSpaceDrawingMode : public AbstractD
     method.update_screen_space_bounds(region);
     method.update_screen_uv_bounds();
 
+    /* Check for changes in the image user compared to the last time. */
+    instance_data->update_image_user(iuser);
+
     /* Step: Update the GPU textures based on the changes in the image. */
     instance_data->update_gpu_texture_allocations();
     update_textures(*instance_data, image, iuser);

source/blender/draw/engines/image/image_instance_data.hh

@@ -25,6 +25,8 @@ constexpr int SCREEN_SPACE_DRAWING_MODE_TEXTURE_LEN = 1;
 
 struct IMAGE_InstanceData {
   struct Image *image;
+  /** Copy of the last image user to detect iuser differences that require a full update. */
+  struct ImageUser last_image_user;
 
   PartialImageUpdater partial_update;
 
@@ -93,6 +95,27 @@ struct IMAGE_InstanceData {
     }
   }
 
+  void update_image_user(const ImageUser *image_user)
+  {
+    short requested_pass = image_user ? image_user->pass : 0;
+    short requested_layer = image_user ? image_user->layer : 0;
+    short requested_view = image_user ? image_user->multi_index : 0;
+    /* There is room for 2 multiview textures. When a higher number is requested we should always
+     * target the first view slot. This is fine as multi view images aren't used together. */
+    if (requested_view < 2) {
+      requested_view = 0;
+    }
+
+    if (last_image_user.pass != requested_pass || last_image_user.layer != requested_layer ||
+        last_image_user.multi_index != requested_view) {
+
+      last_image_user.pass = requested_pass;
+      last_image_user.layer = requested_layer;
+      last_image_user.multi_index = requested_view;
+      reset_dirty_flag(true);
+    }
+  }
+
  private:
   /** \brief Set dirty flag of all texture slots to the given value. */
   void reset_dirty_flag(bool new_value)

source/blender/editors/render/render_opengl.cc

@@ -512,7 +512,7 @@ static void screen_opengl_render_apply(const bContext *C, OGLRender *oglrender)
     ibuf->userflags |= IB_DISPLAY_BUFFER_INVALID;
   }
   BKE_image_release_ibuf(oglrender->ima, ibuf, lock);
-  oglrender->ima->gpuflag |= IMA_GPU_REFRESH;
+  BKE_image_partial_update_mark_full_update(oglrender->ima);
 
   if (oglrender->write_still) {
     screen_opengl_render_write(oglrender);

source/blender/editors/space_image/image_edit.c

@@ -388,7 +388,7 @@ bool ED_image_slot_cycle(struct Image *image, int direction)
   }
 
   if ((cur != image->render_slot)) {
-    image->gpuflag |= IMA_GPU_REFRESH;
+    BKE_image_partial_update_mark_full_update(image);
   }
   return (cur != image->render_slot);
 }

source/blender/makesdna/DNA_image_types.h

@@ -237,15 +237,13 @@ enum {
 
 /* Image.gpuflag */
 enum {
-  /** GPU texture needs to be refreshed. */
-  IMA_GPU_REFRESH = (1 << 0),
   /** All mipmap levels in OpenGL texture set? */
-  IMA_GPU_MIPMAP_COMPLETE = (1 << 1),
+  IMA_GPU_MIPMAP_COMPLETE = (1 << 0),
   /* Reuse the max resolution textures as they fit in the limited scale. */
-  IMA_GPU_REUSE_MAX_RESOLUTION = (1 << 2),
+  IMA_GPU_REUSE_MAX_RESOLUTION = (1 << 1),
   /* Has any limited scale textures been allocated.
    * Adds additional checks to reuse max resolution images when they fit inside limited scale. */
-  IMA_GPU_HAS_LIMITED_SCALE_TEXTURES = (1 << 3),
+  IMA_GPU_HAS_LIMITED_SCALE_TEXTURES = (1 << 2),
 };
 
 /* Image.source, where the image comes from */

source/blender/makesrna/intern/rna_image.c

@@ -594,7 +594,7 @@ static void rna_render_slots_active_set(PointerRNA *ptr,
     int index = BLI_findindex(&image->renderslots, slot);
     if (index != -1) {
       image->render_slot = index;
-      image->gpuflag |= IMA_GPU_REFRESH;
+      BKE_image_partial_update_mark_full_update(image);
     }
   }
 }
@@ -610,7 +610,7 @@ static void rna_render_slots_active_index_set(PointerRNA *ptr, int value)
   Image *image = (Image *)ptr->owner_id;
   int num_slots = BLI_listbase_count(&image->renderslots);
   image->render_slot = value;
-  image->gpuflag |= IMA_GPU_REFRESH;
+  BKE_image_partial_update_mark_full_update(image);
   CLAMP(image->render_slot, 0, num_slots - 1);
 }