Overlay-Next: Image

Overlay-Next version of image.

Rel #102179

Co-authored-by: Clément Foucault <foucault.clem@gmail.com>
Pull Request: https://projects.blender.org/blender/blender/pulls/126243

source/blender/draw/CMakeLists.txt

@@ -300,6 +300,7 @@ set(SRC
   engines/overlay/overlay_next_force_field.hh
   engines/overlay/overlay_next_grease_pencil.hh
   engines/overlay/overlay_next_grid.hh
+  engines/overlay/overlay_next_image.hh
   engines/overlay/overlay_next_instance.hh
   engines/overlay/overlay_next_lattice.hh
   engines/overlay/overlay_next_light.hh

source/blender/draw/engines/overlay/overlay_next_camera.hh

@@ -12,9 +12,10 @@
 
 #include "DEG_depsgraph_query.hh"
 
-#include "BKE_movieclip.h"
 #include "BKE_tracking.h"
 
+#include "BLI_math_rotation.h"
+
 #include "DNA_camera_types.h"
 
 #include "ED_view3d.hh"
@@ -72,6 +73,22 @@ class Cameras {
 
  private:
   PassSimple ps_ = {"Cameras"};
+
+  /* Camera background images with "Depth" switched to "Back".
+   * Shown in camera view behind all objects. */
+  PassMain background_ps_ = {"background_ps_"};
+  /* Camera background images with "Depth" switched to "Front".
+   * Shown in camera view in front of all objects. */
+  PassMain foreground_ps_ = {"foreground_ps_"};
+
+  /* Same as `background_ps_` with "View as Render" checked. */
+  PassMain background_scene_ps_ = {"background_scene_ps_"};
+  /* Same as `foreground_ps_` with "View as Render" checked. */
+  PassMain foreground_scene_ps_ = {"foreground_scene_ps_"};
+
+  View view_reference_images = {"view_reference_images"};
+  float view_dist = 0.0f;
+
   struct CallBuffers {
     const SelectionType selection_type_;
     CameraInstanceBuf distances_buf = {selection_type_, "camera_distances_buf"};
@@ -123,7 +140,9 @@ class Cameras {
 
     const float4x4 object_to_world{ob->object_to_world().ptr()};
 
-    LISTBASE_FOREACH (MovieTrackingObject *, tracking_object, &tracking->objects) {
+    for (MovieTrackingObject *tracking_object :
+         ListBaseWrapper<MovieTrackingObject>(&tracking->objects))
+    {
       float4x4 tracking_object_mat;
 
       if (tracking_object->flag & TRACKING_OBJECT_CAMERA) {
@@ -140,7 +159,9 @@ class Cameras {
         tracking_object_mat = object_to_world * math::invert(object_mat);
       }
 
-      LISTBASE_FOREACH (MovieTrackingTrack *, track, &tracking_object->tracks) {
+      for (MovieTrackingTrack *track :
+           ListBaseWrapper<MovieTrackingTrack>(&tracking_object->tracks))
+      {
         if ((track->flag & TRACK_HAS_BUNDLE) == 0) {
           continue;
         }
@@ -343,8 +364,10 @@ class Cameras {
  public:
   Cameras(const SelectionType selection_type) : call_buffers_{selection_type} {};
 
-  void begin_sync()
+  void begin_sync(Resources &res, State &state, View &view)
   {
+    view_dist = state.view_dist_get(view.winmat());
+
     call_buffers_.distances_buf.clear();
     call_buffers_.frame_buf.clear();
     call_buffers_.tria_buf.clear();
@@ -355,9 +378,29 @@ class Cameras {
     call_buffers_.stereo_connect_lines.clear();
     call_buffers_.tracking_path.clear();
     Empties::begin_sync(call_buffers_.empties);
+
+    /* Init image passes. */
+    auto init_pass = [&](PassMain &pass, DRWState draw_state) {
+      pass.init();
+      pass.state_set(draw_state | state.clipping_state);
+      pass.shader_set(res.shaders.image_plane.get());
+      res.select_bind(pass);
+    };
+
+    DRWState draw_state;
+    draw_state = DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_GREATER | DRW_STATE_BLEND_ALPHA_PREMUL;
+    init_pass(background_ps_, draw_state);
+
+    draw_state = DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ALPHA_UNDER_PREMUL;
+    init_pass(background_scene_ps_, draw_state);
+
+    draw_state = DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ALPHA_PREMUL;
+    init_pass(foreground_ps_, draw_state);
+    init_pass(foreground_scene_ps_, draw_state);
   }
 
-  void object_sync(const ObjectRef &ob_ref, Resources &res, State &state)
+  void object_sync(
+      const ObjectRef &ob_ref, ShapeCache &shapes, Manager &manager, Resources &res, State &state)
   {
     Object *ob = ob_ref.object;
     const select::ID select_id = res.select_id(ob_ref);
@@ -499,12 +542,12 @@ class Cameras {
                             call_buffers_);
     }
 
-    // TODO: /* Background images. */
-    // if (look_through && (cam->flag & CAM_SHOW_BG_IMAGE) &&
-    // !BLI_listbase_is_empty(&cam->bg_images))
-    // {
-    //   OVERLAY_image_camera_cache_populate(vedata, ob);
-    // }
+    if (is_camera_view && (cam->flag & CAM_SHOW_BG_IMAGE) &&
+        !BLI_listbase_is_empty(&cam->bg_images))
+    {
+      sync_camera_images(
+          ob_ref, select_id, shapes, manager, state, res, call_buffers_.selection_type_);
+    }
   }
 
   void end_sync(Resources &res, ShapeCache &shapes, const State &state)
@@ -561,6 +604,251 @@ class Cameras {
     GPU_framebuffer_bind(framebuffer);
     manager.submit(ps_, view);
   }
+
+  void draw_scene_background_images(Framebuffer &framebuffer,
+                                    const State &state,
+                                    Manager &manager,
+                                    View &view)
+  {
+    if (state.space_type != SPACE_VIEW3D) {
+      return;
+    }
+
+    GPU_framebuffer_bind(framebuffer);
+
+    manager.submit(background_scene_ps_, view);
+    manager.submit(foreground_scene_ps_, view);
+  }
+
+  void draw_background_images(Framebuffer &framebuffer, Manager &manager, View &view)
+  {
+    GPU_framebuffer_bind(framebuffer);
+    manager.submit(background_ps_, view);
+  }
+
+  void draw_in_front(Framebuffer &framebuffer, Manager &manager, View &view)
+  {
+    GPU_framebuffer_bind(framebuffer);
+
+    view_reference_images.sync(view.viewmat(),
+                               winmat_polygon_offset(view.winmat(), view_dist, -1.0f));
+
+    manager.submit(foreground_ps_, view_reference_images);
+  }
+
+ private:
+  void sync_camera_images(const ObjectRef &ob_ref,
+                          select::ID select_id,
+                          ShapeCache &shapes,
+                          Manager &manager,
+                          const State &state,
+                          Resources &res,
+                          const SelectionType selection_type)
+  {
+    Object *ob = ob_ref.object;
+    const Camera *cam = static_cast<Camera *>(ob->data);
+
+    const bool show_frame = BKE_object_empty_image_frame_is_visible_in_view3d(ob, state.rv3d);
+
+    if (!show_frame || selection_type != SelectionType::DISABLED) {
+      return;
+    }
+
+    const bool stereo_eye = Images::images_stereo_eye(state.scene, state.v3d) == STEREO_LEFT_ID;
+    const char *viewname = (stereo_eye == STEREO_LEFT_ID) ? STEREO_RIGHT_NAME : STEREO_LEFT_NAME;
+    float4x4 modelmat;
+    BKE_camera_multiview_model_matrix(&state.scene->r, ob, viewname, modelmat.ptr());
+
+    for (const CameraBGImage *bgpic : ConstListBaseWrapper<CameraBGImage>(&cam->bg_images)) {
+      if (bgpic->flag & CAM_BGIMG_FLAG_DISABLED) {
+        continue;
+      }
+
+      float aspect = 1.0;
+      bool use_alpha_premult;
+      bool use_view_transform = false;
+      float4x4 mat;
+
+      /* retrieve the image we want to show, continue to next when no image could be found */
+      GPUTexture *tex = image_camera_background_texture_get(
+          bgpic, state, res, aspect, use_alpha_premult, use_view_transform);
+
+      if (tex) {
+        image_camera_background_matrix_get(cam, bgpic, state, aspect, mat);
+
+        const bool is_foreground = (bgpic->flag & CAM_BGIMG_FLAG_FOREGROUND) != 0;
+        /* Alpha is clamped just below 1.0 to fix background images to interfere with foreground
+         * images. Without this a background image with 1.0 will be rendered on top of a
+         * transparent foreground image due to the different blending modes they use. */
+        const float4 color_premult_alpha{1.0f, 1.0f, 1.0f, std::min(bgpic->alpha, 0.999999f)};
+
+        PassMain &pass = is_foreground ?
+                             (use_view_transform ? foreground_scene_ps_ : foreground_ps_) :
+                             (use_view_transform ? background_scene_ps_ : background_ps_);
+        pass.bind_texture("imgTexture", tex);
+        pass.push_constant("imgPremultiplied", use_alpha_premult);
+        pass.push_constant("imgAlphaBlend", true);
+        pass.push_constant("isCameraBackground", true);
+        pass.push_constant("depthSet", true);
+        pass.push_constant("ucolor", color_premult_alpha);
+        ResourceHandle res_handle = manager.resource_handle(mat);
+        pass.draw(shapes.quad_solid.get(), res_handle, select_id.get());
+      }
+    }
+  }
+
+  static void image_camera_background_matrix_get(const Camera *cam,
+                                                 const CameraBGImage *bgpic,
+                                                 const State &state,
+                                                 const float image_aspect,
+                                                 float4x4 &rmat)
+  {
+    float4x4 rotate, scale = float4x4::identity(), translate = float4x4::identity();
+
+    axis_angle_to_mat4_single(rotate.ptr(), 'Z', -bgpic->rotation);
+
+    /* Normalized Object space camera frame corners. */
+    float cam_corners[4][3];
+    BKE_camera_view_frame(state.scene, cam, cam_corners);
+    float cam_width = fabsf(cam_corners[0][0] - cam_corners[3][0]);
+    float cam_height = fabsf(cam_corners[0][1] - cam_corners[1][1]);
+    float cam_aspect = cam_width / cam_height;
+
+    if (bgpic->flag & CAM_BGIMG_FLAG_CAMERA_CROP) {
+      /* Crop. */
+      if (image_aspect > cam_aspect) {
+        scale[0][0] *= cam_height * image_aspect;
+        scale[1][1] *= cam_height;
+      }
+      else {
+        scale[0][0] *= cam_width;
+        scale[1][1] *= cam_width / image_aspect;
+      }
+    }
+    else if (bgpic->flag & CAM_BGIMG_FLAG_CAMERA_ASPECT) {
+      /* Fit. */
+      if (image_aspect > cam_aspect) {
+        scale[0][0] *= cam_width;
+        scale[1][1] *= cam_width / image_aspect;
+      }
+      else {
+        scale[0][0] *= cam_height * image_aspect;
+        scale[1][1] *= cam_height;
+      }
+    }
+    else {
+      /* Stretch. */
+      scale[0][0] *= cam_width;
+      scale[1][1] *= cam_height;
+    }
+
+    translate[3][0] = bgpic->offset[0];
+    translate[3][1] = bgpic->offset[1];
+    translate[3][2] = cam_corners[0][2];
+    if (cam->type == CAM_ORTHO) {
+      translate[3].xy() *= cam->ortho_scale;
+    }
+    /* These lines are for keeping 2.80 behavior and could be removed to keep 2.79 behavior. */
+    translate[3][0] *= min_ff(1.0f, cam_aspect);
+    translate[3][1] /= max_ff(1.0f, cam_aspect) * (image_aspect / cam_aspect);
+    /* quad is -1..1 so divide by 2. */
+    scale[0][0] *= 0.5f * bgpic->scale * ((bgpic->flag & CAM_BGIMG_FLAG_FLIP_X) ? -1.0 : 1.0);
+    scale[1][1] *= 0.5f * bgpic->scale * ((bgpic->flag & CAM_BGIMG_FLAG_FLIP_Y) ? -1.0 : 1.0);
+    /* Camera shift. (middle of cam_corners) */
+    translate[3][0] += (cam_corners[0][0] + cam_corners[2][0]) * 0.5f;
+    translate[3][1] += (cam_corners[0][1] + cam_corners[2][1]) * 0.5f;
+
+    rmat = translate * rotate * scale;
+  }
+
+  GPUTexture *image_camera_background_texture_get(const CameraBGImage *bgpic,
+                                                  const State &state,
+                                                  Resources &res,
+                                                  float &r_aspect,
+                                                  bool &r_use_alpha_premult,
+                                                  bool &r_use_view_transform)
+  {
+    ::Image *image = bgpic->ima;
+    ImageUser *iuser = (ImageUser *)&bgpic->iuser;
+    MovieClip *clip = nullptr;
+    GPUTexture *tex = nullptr;
+    float aspect_x, aspect_y;
+    int width, height;
+    int ctime = int(DEG_get_ctime(state.depsgraph));
+    r_use_alpha_premult = false;
+    r_use_view_transform = false;
+
+    switch (bgpic->source) {
+      case CAM_BGIMG_SOURCE_IMAGE: {
+        if (image == nullptr) {
+          return nullptr;
+        }
+        r_use_alpha_premult = (image->alpha_mode == IMA_ALPHA_PREMUL);
+        r_use_view_transform = (image->flag & IMA_VIEW_AS_RENDER) != 0;
+
+        BKE_image_user_frame_calc(image, iuser, ctime);
+        if (image->source == IMA_SRC_SEQUENCE && !(iuser->flag & IMA_USER_FRAME_IN_RANGE)) {
+          /* Frame is out of range, don't show. */
+          return nullptr;
+        }
+
+        Images::stereo_setup(state.scene, state.v3d, image, iuser);
+
+        iuser->scene = (Scene *)state.scene;
+        tex = BKE_image_get_gpu_viewer_texture(image, iuser);
+        iuser->scene = nullptr;
+
+        if (tex == nullptr) {
+          return nullptr;
+        }
+
+        width = GPU_texture_original_width(tex);
+        height = GPU_texture_original_height(tex);
+
+        aspect_x = bgpic->ima->aspx;
+        aspect_y = bgpic->ima->aspy;
+        break;
+      }
+
+      case CAM_BGIMG_SOURCE_MOVIE: {
+        if (bgpic->flag & CAM_BGIMG_FLAG_CAMERACLIP) {
+          if (state.scene->camera) {
+            clip = BKE_object_movieclip_get((Scene *)state.scene, state.scene->camera, true);
+          }
+        }
+        else {
+          clip = bgpic->clip;
+        }
+
+        if (clip == nullptr) {
+          return nullptr;
+        }
+
+        BKE_movieclip_user_set_frame((MovieClipUser *)&bgpic->cuser, ctime);
+        tex = BKE_movieclip_get_gpu_texture(clip, (MovieClipUser *)&bgpic->cuser);
+        if (tex == nullptr) {
+          return nullptr;
+        }
+
+        aspect_x = clip->aspx;
+        aspect_y = clip->aspy;
+        r_use_view_transform = true;
+
+        BKE_movieclip_get_size(clip, &bgpic->cuser, &width, &height);
+
+        /* Save for freeing. */
+        res.bg_movie_clips.append(clip);
+        break;
+      }
+
+      default:
+        /* Unsupported type. */
+        return nullptr;
+    }
+
+    r_aspect = (width * aspect_x) / (height * aspect_y);
+    return tex;
+  }
 };
 
 }  // namespace blender::draw::overlay

source/blender/draw/engines/overlay/overlay_next_empty.hh

@@ -8,6 +8,7 @@
 
 #pragma once
 
+#include "overlay_next_image.hh"
 #include "overlay_next_private.hh"
 
 namespace blender::draw::overlay {
@@ -17,8 +18,25 @@ class Empties {
   using EmptyInstanceBuf = ShapeInstanceBuf<ExtraInstanceData>;
 
  private:
+  /* Images added by Image > Background. Both added in preset view (like Top, Front, ..) and in
+   * custom view. Object property "In Front" unchecked. */
+  PassSortable images_back_ps_ = {"images_back_ps_"};
+  /* All Empty images from cases of `images_ps_`, `images_blend_ps_`, `images_back_ps_`
+   * with object property "In Front" checked. */
+  PassSortable images_front_ps_ = {"images_front_ps_"};
+
+  /* Images added by Empty > Image and Image > Reference with unchecked image "Opacity".
+   * Object property "In Front" unchecked. */
+  PassMain images_ps_ = {"images_ps_"};
+  /* Images added by Empty > Image and Image > Reference with image "Opacity" checked.
+   * Object property "In Front" unchecked. */
+  PassSortable images_blend_ps_ = {"images_blend_ps_"};
+
   PassSimple ps_ = {"Empties"};
 
+  View view_reference_images = {"view_reference_images"};
+  float view_dist = 0.0f;
+
   struct CallBuffers {
     const SelectionType selection_type_;
     EmptyInstanceBuf plain_axes_buf = {selection_type_, "plain_axes_buf"};
@@ -34,8 +52,36 @@ class Empties {
  public:
   Empties(const SelectionType selection_type) : call_buffers_{selection_type} {};
 
-  void begin_sync()
+  void begin_sync(Resources &res, const State &state, const View &view)
   {
+    view_dist = state.view_dist_get(view.winmat());
+
+    auto init_pass = [&](PassMain &pass, DRWState draw_state) {
+      pass.init();
+      pass.state_set(draw_state | state.clipping_state);
+      pass.shader_set(res.shaders.image_plane.get());
+      res.select_bind(pass);
+    };
+
+    auto init_sortable = [&](PassSortable &pass, DRWState draw_state) {
+      pass.init();
+      PassMain::Sub &sub = pass.sub("ResourceBind", -FLT_MAX);
+      sub.state_set(draw_state | state.clipping_state);
+      res.select_bind(pass, sub);
+    };
+
+    DRWState draw_state;
+
+    draw_state = DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS;
+    init_pass(images_ps_, draw_state);
+
+    draw_state = DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_BLEND_ALPHA_PREMUL;
+    init_sortable(images_back_ps_, draw_state);
+    init_sortable(images_blend_ps_, draw_state);
+
+    draw_state = DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ALPHA_PREMUL;
+    init_sortable(images_front_ps_, draw_state);
+
     begin_sync(call_buffers_);
   }
 
@@ -51,10 +97,18 @@ class Empties {
     call_buffers.image_buf.clear();
   }
 
-  void object_sync(const ObjectRef &ob_ref, Resources &res, const State &state)
+  void object_sync(const ObjectRef &ob_ref,
+                   ShapeCache &shapes,
+                   Manager &manager,
+                   Resources &res,
+                   const State &state)
   {
     const float4 color = res.object_wire_color(ob_ref, state);
     const select::ID select_id = res.select_id(ob_ref);
+    if (ob_ref.object->empty_drawtype == OB_EMPTY_IMAGE) {
+      image_sync(ob_ref, select_id, shapes, manager, res, state, call_buffers_.image_buf);
+      return;
+    }
     object_sync(select_id,
                 ob_ref.object->object_to_world(),
                 ob_ref.object->empty_drawsize,
@@ -94,10 +148,6 @@ class Empties {
       case OB_ARROWS:
         call_buffers.arrows_buf.append(data, select_id);
         break;
-      case OB_EMPTY_IMAGE:
-        /* This only show the frame. See OVERLAY_image_empty_cache_populate() for the image. */
-        call_buffers.image_buf.append(data, select_id);
-        break;
     }
   }
 
@@ -134,6 +184,161 @@ class Empties {
     GPU_framebuffer_bind(framebuffer);
     manager.submit(ps_, view);
   }
+
+  void draw_background_images(Framebuffer &framebuffer, Manager &manager, View &view)
+  {
+    GPU_framebuffer_bind(framebuffer);
+    manager.submit(images_back_ps_, view);
+  }
+
+  void draw_images(Framebuffer &framebuffer, Manager &manager, View &view)
+  {
+    GPU_framebuffer_bind(framebuffer);
+
+    view_reference_images.sync(view.viewmat(),
+                               winmat_polygon_offset(view.winmat(), view_dist, -1.0f));
+
+    manager.submit(images_ps_, view_reference_images);
+    manager.submit(images_blend_ps_, view_reference_images);
+  }
+
+  void draw_in_front_images(Framebuffer &framebuffer, Manager &manager, View &view)
+  {
+    GPU_framebuffer_bind(framebuffer);
+
+    view_reference_images.sync(view.viewmat(),
+                               winmat_polygon_offset(view.winmat(), view_dist, -1.0f));
+
+    manager.submit(images_front_ps_, view_reference_images);
+  }
+
+ private:
+  void image_sync(const ObjectRef &ob_ref,
+                  select::ID select_id,
+                  ShapeCache &shapes,
+                  Manager &manager,
+                  Resources &res,
+                  const State &state,
+                  EmptyInstanceBuf &empty_image_buf)
+  {
+    Object *ob = ob_ref.object;
+    GPUTexture *tex = nullptr;
+    ::Image *ima = static_cast<::Image *>(ob_ref.object->data);
+    float4x4 mat;
+
+    const bool show_frame = BKE_object_empty_image_frame_is_visible_in_view3d(ob, state.rv3d);
+    const bool show_image = show_frame &&
+                            BKE_object_empty_image_data_is_visible_in_view3d(ob, state.rv3d);
+    const bool use_alpha_blend = (ob_ref.object->empty_image_flag &
+                                  OB_EMPTY_IMAGE_USE_ALPHA_BLEND) != 0;
+    const bool use_alpha_premult = ima && (ima->alpha_mode == IMA_ALPHA_PREMUL);
+
+    if (!show_frame) {
+      return;
+    }
+
+    {
+      /* Calling 'BKE_image_get_size' may free the texture. Get the size from 'tex' instead,
+       * see: #59347 */
+      int2 size = int2(0);
+      if (ima != nullptr) {
+        ImageUser iuser = *ob->iuser;
+        Images::stereo_setup(state.scene, state.v3d, ima, &iuser);
+        tex = BKE_image_get_gpu_texture(ima, &iuser);
+        if (tex) {
+          size = int2(GPU_texture_original_width(tex), GPU_texture_original_height(tex));
+        }
+      }
+      CLAMP_MIN(size.x, 1);
+      CLAMP_MIN(size.y, 1);
+
+      float2 image_aspect;
+      calc_image_aspect(ima, size, image_aspect);
+
+      mat = ob->object_to_world();
+      mat.x_axis() *= image_aspect.x * 0.5f * ob->empty_drawsize;
+      mat.y_axis() *= image_aspect.y * 0.5f * ob->empty_drawsize;
+      mat[3] += float4(mat.x_axis() * (ob->ima_ofs[0] * 2.0f + 1.0f) +
+                       mat.y_axis() * (ob->ima_ofs[1] * 2.0f + 1.0f));
+    }
+
+    if (show_frame) {
+      const float4 color = res.object_wire_color(ob_ref, state);
+      empty_image_buf.append(ExtraInstanceData(mat, color, 1.0f), select_id);
+    }
+
+    if (show_image && tex && ((ob->color[3] > 0.0f) || !use_alpha_blend)) {
+      /* Use the actual depth if we are doing depth tests to determine the distance to the
+       * object. */
+      char depth_mode = DRW_state_is_depth() ? char(OB_EMPTY_IMAGE_DEPTH_DEFAULT) :
+                                               ob->empty_image_depth;
+      PassMain::Sub &pass = create_subpass(state, *ob, use_alpha_blend, mat, res);
+      pass.bind_texture("imgTexture", tex);
+      pass.push_constant("imgPremultiplied", use_alpha_premult);
+      pass.push_constant("imgAlphaBlend", use_alpha_blend);
+      pass.push_constant("isCameraBackground", false);
+      pass.push_constant("depthSet", depth_mode != OB_EMPTY_IMAGE_DEPTH_DEFAULT);
+      pass.push_constant("ucolor", float4(ob->color));
+      ResourceHandle res_handle = manager.resource_handle(mat);
+      pass.draw(shapes.quad_solid.get(), res_handle, select_id.get());
+    }
+  }
+
+  PassMain::Sub &create_subpass(const State &state,
+                                const Object &ob,
+                                const bool use_alpha_blend,
+                                const float4x4 &mat,
+                                const Resources &res)
+  {
+    const bool in_front = state.use_in_front && (ob.dtx & OB_DRAW_IN_FRONT);
+    if (in_front) {
+      return create_subpass(state, mat, res, images_front_ps_);
+    }
+    const char depth_mode = DRW_state_is_depth() ? char(OB_EMPTY_IMAGE_DEPTH_DEFAULT) :
+                                                   ob.empty_image_depth;
+    switch (depth_mode) {
+      case OB_EMPTY_IMAGE_DEPTH_BACK:
+        return create_subpass(state, mat, res, images_back_ps_);
+      case OB_EMPTY_IMAGE_DEPTH_FRONT:
+        return create_subpass(state, mat, res, images_front_ps_);
+      case OB_EMPTY_IMAGE_DEPTH_DEFAULT:
+      default:
+        return use_alpha_blend ? create_subpass(state, mat, res, images_blend_ps_) : images_ps_;
+    }
+  }
+
+  static PassMain::Sub &create_subpass(const State &state,
+                                       const float4x4 &mat,
+                                       const Resources &res,
+                                       PassSortable &parent)
+  {
+    const float3 tmp = state.camera_position - mat.location();
+    const float z = -math::dot(state.camera_forward, tmp);
+    PassMain::Sub &sub = parent.sub("Sub", z);
+    sub.shader_set(res.shaders.image_plane.get());
+    return sub;
+  };
+
+  static void calc_image_aspect(::Image *ima, const int2 &size, float2 &r_image_aspect)
+  {
+    /* if no image, make it a 1x1 empty square, honor scale & offset */
+    const float2 ima_dim = ima ? float2(size.x, size.y) : float2(1.0f);
+
+    /* Get the image aspect even if the buffer is invalid */
+    float2 sca(1.0f);
+    if (ima) {
+      if (ima->aspx > ima->aspy) {
+        sca.y = ima->aspy / ima->aspx;
+      }
+      else if (ima->aspx < ima->aspy) {
+        sca.x = ima->aspx / ima->aspy;
+      }
+    }
+
+    const float2 scale_inv(ima_dim.x * sca.x, ima_dim.y * sca.y);
+    r_image_aspect = (scale_inv.x > scale_inv.y) ? float2(1.0f, scale_inv.y / scale_inv.x) :
+                                                   float2(scale_inv.x / scale_inv.y, 1.0f);
+  }
 };
 
 }  // namespace blender::draw::overlay

source/blender/draw/engines/overlay/overlay_next_image.hh

@@ -0,0 +1,44 @@
+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup overlay
+ */
+
+#pragma once
+
+#include "overlay_next_private.hh"
+
+namespace blender::draw::overlay {
+
+class Images {
+
+ public:
+  static eStereoViews images_stereo_eye(const Scene *scene, const View3D *v3d)
+  {
+    if ((scene->r.scemode & R_MULTIVIEW) == 0) {
+      return STEREO_LEFT_ID;
+    }
+    if (v3d->stereo3d_camera != STEREO_3D_ID) {
+      /* show only left or right camera */
+      return eStereoViews(v3d->stereo3d_camera);
+    }
+
+    return eStereoViews(v3d->multiview_eye);
+  }
+
+  static void stereo_setup(const Scene *scene, const View3D *v3d, ::Image *ima, ImageUser *iuser)
+  {
+    if (BKE_image_is_stereo(ima)) {
+      iuser->flag |= IMA_SHOW_STEREO;
+      iuser->multiview_eye = images_stereo_eye(scene, v3d);
+      BKE_image_multiview_index(ima, iuser);
+    }
+    else {
+      iuser->flag &= ~IMA_SHOW_STEREO;
+    }
+  }
+};
+
+}  // namespace blender::draw::overlay

source/blender/draw/engines/overlay/overlay_next_instance.cc

@@ -84,6 +84,9 @@ void Instance::begin_sync()
   const DRWView *view_legacy = DRW_view_default_get();
   View view("OverlayView", view_legacy);
 
+  state.camera_position = view.viewinv().location();
+  state.camera_forward = view.viewinv().z_axis();
+
   resources.begin_sync();
 
   background.begin_sync(resources, state);
@@ -91,9 +94,9 @@ void Instance::begin_sync()
 
   auto begin_sync_layer = [&](OverlayLayer &layer) {
     layer.bounds.begin_sync();
-    layer.cameras.begin_sync();
+    layer.cameras.begin_sync(resources, state, view);
     layer.curves.begin_sync(resources, state, view);
-    layer.empties.begin_sync();
+    layer.empties.begin_sync(resources, state, view);
     layer.facing.begin_sync(resources, state);
     layer.force_fields.begin_sync();
     layer.fluids.begin_sync(resources, state);
@@ -166,10 +169,10 @@ void Instance::object_sync(ObjectRef &ob_ref, Manager &manager)
   if (!state.hide_overlays) {
     switch (ob_ref.object->type) {
       case OB_EMPTY:
-        layer.empties.object_sync(ob_ref, resources, state);
+        layer.empties.object_sync(ob_ref, shapes, manager, resources, state);
         break;
       case OB_CAMERA:
-        layer.cameras.object_sync(ob_ref, resources, state);
+        layer.cameras.object_sync(ob_ref, shapes, manager, resources, state);
         break;
       case OB_ARMATURE:
         break;
@@ -323,6 +326,17 @@ void Instance::draw(Manager &manager)
     GPU_framebuffer_clear_color(resources.overlay_line_fb, clear_color);
   }
 
+  regular.cameras.draw_scene_background_images(
+      resources.overlay_color_only_fb, state, manager, view);
+  infront.cameras.draw_scene_background_images(
+      resources.overlay_color_only_fb, state, manager, view);
+
+  regular.empties.draw_background_images(resources.overlay_color_only_fb, manager, view);
+  regular.cameras.draw_background_images(resources.overlay_color_only_fb, manager, view);
+  infront.cameras.draw_background_images(resources.overlay_color_only_fb, manager, view);
+
+  regular.empties.draw_images(resources.overlay_fb, manager, view);
+
   regular.prepass.draw(resources.overlay_line_fb, manager, view);
   infront.prepass.draw(resources.overlay_line_in_front_fb, manager, view);
 
@@ -367,6 +381,9 @@ void Instance::draw(Manager &manager)
 
   /* TODO(: Breaks selection on M1 Max. */
   // infront.lattices.draw(resources.overlay_line_in_front_fb, manager, view);
+  // infront.empties.draw_in_front_images(resources.overlay_in_front_fb, manager, view);
+  // regular.cameras.draw_in_front(resources.overlay_in_front_fb, manager, view);
+  // infront.cameras.draw_in_front(resources.overlay_in_front_fb, manager, view);
 
   /* Drawn onto the output framebuffer. */
   background.draw(manager);

source/blender/draw/engines/overlay/overlay_next_instance.hh

@@ -60,6 +60,7 @@ class Instance {
 
   struct OverlayLayer {
     const SelectionType selection_type_;
+
     Bounds bounds = {selection_type_};
     Cameras cameras = {selection_type_};
     Curves curves;

source/blender/draw/engines/overlay/overlay_next_private.hh

@@ -8,6 +8,8 @@
 
 #pragma once
 
+#include "BKE_movieclip.h"
+
 #include "BLI_function_ref.hh"
 
 #include "GPU_matrix.hh"
@@ -57,6 +59,8 @@ struct State {
   short v3d_flag;     /* TODO: move to #View3DOverlay. */
   short v3d_gridflag; /* TODO: move to #View3DOverlay. */
   int cfra;
+  float3 camera_position;
+  float3 camera_forward;
   DRWState clipping_state;
 
   float view_dist_get(const float4x4 &winmat) const
@@ -212,6 +216,7 @@ class ShaderModule {
   ShaderPtr fluid_velocity_streamline;
   ShaderPtr fluid_velocity_mac;
   ShaderPtr fluid_velocity_needle;
+  ShaderPtr image_plane;
   ShaderPtr lattice_points;
   ShaderPtr lattice_wire;
   ShaderPtr particle_dot;
@@ -299,9 +304,22 @@ struct Resources : public select::SelectMap {
    */
   TextureRef depth_target_tx;
 
+  Vector<MovieClip *> bg_movie_clips;
+
   Resources(const SelectionType selection_type_, ShaderModule &shader_module)
       : select::SelectMap(selection_type_), shaders(shader_module){};
 
+  ~Resources()
+  {
+    free_movieclips_textures();
+  }
+
+  void begin_sync()
+  {
+    SelectMap::begin_sync();
+    free_movieclips_textures();
+  }
+
   ThemeColorID object_wire_theme_id(const ObjectRef &ob_ref, const State &state) const
   {
     const bool is_edit = (state.object_mode & OB_MODE_EDIT) &&
@@ -386,6 +404,14 @@ struct Resources : public select::SelectMap {
     ThemeColorID theme_id = object_wire_theme_id(ob_ref, state);
     return background_blend_color(theme_id);
   }
+
+  void free_movieclips_textures()
+  {
+    /* Free Movie clip textures after rendering */
+    for (MovieClip *clip : bg_movie_clips) {
+      BKE_movieclip_free_gputexture(clip);
+    }
+  }
 };
 
 /**

source/blender/draw/engines/overlay/overlay_next_shader.cc

@@ -331,6 +331,11 @@ ShaderModule::ShaderModule(const SelectionType selection_type, const bool clippi
         info.vertex_inputs_.pop_last();
       });
 
+  image_plane = selectable_shader("overlay_image", [](gpu::shader::ShaderCreateInfo &info) {
+    info.additional_infos_.clear();
+    info.additional_info("draw_view", "draw_modelmat_new", "draw_resource_handle_new");
+  });
+
   particle_dot = selectable_shader("overlay_particle_dot",
                                    [](gpu::shader::ShaderCreateInfo &info) {
                                      info.additional_infos_.clear();

source/blender/draw/engines/overlay/shaders/overlay_image_frag.glsl

@@ -3,6 +3,7 @@
  * SPDX-License-Identifier: GPL-2.0-or-later */
 
 #pragma BLENDER_REQUIRE(common_colormanagement_lib.glsl)
+#pragma BLENDER_REQUIRE(select_lib.glsl)
 
 void main()
 {
@@ -25,4 +26,6 @@ void main()
 
   /* Pre-multiplied blending. */
   fragColor.rgb *= fragColor.a;
+
+  select_id_output(select_id);
 }

source/blender/draw/engines/overlay/shaders/overlay_image_vert.glsl

@@ -4,9 +4,11 @@
 
 #pragma BLENDER_REQUIRE(common_view_clipping_lib.glsl)
 #pragma BLENDER_REQUIRE(common_view_lib.glsl)
+#pragma BLENDER_REQUIRE(select_lib.glsl)
 
 void main()
 {
+  select_id_set(drw_CustomID);
   vec3 world_pos = point_object_to_world(pos);
   if (isCameraBackground) {
     /* Model matrix converts to view position to avoid jittering (see #91398). */

source/blender/draw/engines/select/select_instance.hh

@@ -191,6 +191,25 @@ struct SelectMap {
     pass.bind_ssbo(SELECT_ID_OUT, &select_output_buf);
   }
 
+  /* TODO: Deduplicate. */
+  /** IMPORTANT: Changes the draw state. Need to be called after the pass's own state_set. */
+  void select_bind(PassMain &pass, PassMain::Sub &sub)
+  {
+    if (selection_type == SelectionType::DISABLED) {
+      return;
+    }
+
+    pass.use_custom_ids = true;
+    if (disable_depth_test) {
+      /* TODO: clipping state. */
+      sub.state_set(DRW_STATE_WRITE_COLOR);
+    }
+    sub.bind_ubo(SELECT_DATA, &info_buf);
+    /* IMPORTANT: This binds a dummy buffer `in_select_buf` but it is not supposed to be used. */
+    sub.bind_ssbo(SELECT_ID_IN, &dummy_select_buf);
+    sub.bind_ssbo(SELECT_ID_OUT, &select_output_buf);
+  }
+
   void end_sync()
   {
     if (selection_type == SelectionType::DISABLED) {