Compositor: Do not register constant input areas for rendering

If an input is only used as a constant it doesn't rendering
because its already calculated after constant folding.

9 files changed, 12 insertions, 10 deletions

diff --git a/source/blender/compositor/COM_defines.h b/source/blender/compositor/COM_defines.h
index e270eeb3386..0c477eb2584 100644
--- a/source/blender/compositor/COM_defines.h
+++ b/source/blender/compositor/COM_defines.h
@@ -121,7 +121,7 @@ constexpr float COM_PREVIEW_SIZE = 140.f;
 constexpr float COM_RULE_OF_THIRDS_DIVIDER = 100.0f;
 constexpr float COM_BLUR_BOKEH_PIXELS = 512;
 
-constexpr rcti COM_SINGLE_ELEM_AREA = {0, 1, 0, 1};
+constexpr rcti COM_CONSTANT_INPUT_AREA_OF_INTEREST = {0, 0, 0, 0};
 
 constexpr IndexRange XRange(const rcti &area)
 {
diff --git a/source/blender/compositor/intern/COM_FullFrameExecutionModel.cc b/source/blender/compositor/intern/COM_FullFrameExecutionModel.cc
index bd3a481d691..71295f38c5b 100644
--- a/source/blender/compositor/intern/COM_FullFrameExecutionModel.cc
+++ b/source/blender/compositor/intern/COM_FullFrameExecutionModel.cc
@@ -206,7 +206,9 @@ void FullFrameExecutionModel::determine_areas_to_render(NodeOperation *output_op
       /* Ensure area of interest is within operation bounds, cropping areas outside. */
       BLI_rcti_isect(&input_area, &input_op_rect, &input_area);
 
-      stack.append({input_op, input_area});
+      if (!BLI_rcti_is_empty(&input_area)) {
+        stack.append({input_op, input_area});
+      }
     }
   }
 }
diff --git a/source/blender/compositor/operations/COM_BlurBaseOperation.cc b/source/blender/compositor/operations/COM_BlurBaseOperation.cc
index a1075e9feb9..d3714459bc8 100644
--- a/source/blender/compositor/operations/COM_BlurBaseOperation.cc
+++ b/source/blender/compositor/operations/COM_BlurBaseOperation.cc
@@ -256,7 +256,7 @@ void BlurBaseOperation::get_area_of_interest(const int input_idx,
       r_input_area = output_area;
       break;
     case 1:
-      r_input_area = use_variable_size_ ? output_area : COM_SINGLE_ELEM_AREA;
+      r_input_area = use_variable_size_ ? output_area : COM_CONSTANT_INPUT_AREA_OF_INTEREST;
       break;
   }
 }
diff --git a/source/blender/compositor/operations/COM_BokehBlurOperation.cc b/source/blender/compositor/operations/COM_BokehBlurOperation.cc
index a0172fabde4..dc13b3253ba 100644
--- a/source/blender/compositor/operations/COM_BokehBlurOperation.cc
+++ b/source/blender/compositor/operations/COM_BokehBlurOperation.cc
@@ -327,7 +327,7 @@ void BokehBlurOperation::get_area_of_interest(const int input_idx,
       r_input_area = output_area;
       break;
     case SIZE_INPUT_INDEX: {
-      r_input_area = COM_SINGLE_ELEM_AREA;
+      r_input_area = COM_CONSTANT_INPUT_AREA_OF_INTEREST;
       break;
     }
   }
diff --git a/source/blender/compositor/operations/COM_PlaneCornerPinOperation.cc b/source/blender/compositor/operations/COM_PlaneCornerPinOperation.cc
index 80baa779be1..76dfbf95d45 100644
--- a/source/blender/compositor/operations/COM_PlaneCornerPinOperation.cc
+++ b/source/blender/compositor/operations/COM_PlaneCornerPinOperation.cc
@@ -225,7 +225,7 @@ void PlaneCornerPinMaskOperation::get_area_of_interest(const int UNUSED(input_id
                                                        rcti &r_input_area)
 {
   /* All corner inputs are used as constants. */
-  r_input_area = COM_SINGLE_ELEM_AREA;
+  r_input_area = COM_CONSTANT_INPUT_AREA_OF_INTEREST;
 }
 
 /* ******** PlaneCornerPinWarpImageOperation ******** */
@@ -322,7 +322,7 @@ void PlaneCornerPinWarpImageOperation::get_area_of_interest(const int input_idx,
   }
   else {
     /* Corner inputs are used as constants. */
-    r_input_area = COM_SINGLE_ELEM_AREA;
+    r_input_area = COM_CONSTANT_INPUT_AREA_OF_INTEREST;
   }
 }
 
diff --git a/source/blender/compositor/operations/COM_ProjectorLensDistortionOperation.cc b/source/blender/compositor/operations/COM_ProjectorLensDistortionOperation.cc
index fcab5dd5751..faebaf657cc 100644
--- a/source/blender/compositor/operations/COM_ProjectorLensDistortionOperation.cc
+++ b/source/blender/compositor/operations/COM_ProjectorLensDistortionOperation.cc
@@ -137,7 +137,7 @@ void ProjectorLensDistortionOperation::get_area_of_interest(const int input_idx,
 {
   if (input_idx == 1) {
     /* Dispersion input is used as constant only. */
-    r_input_area = COM_SINGLE_ELEM_AREA;
+    r_input_area = COM_CONSTANT_INPUT_AREA_OF_INTEREST;
     return;
   }
 
diff --git a/source/blender/compositor/operations/COM_RotateOperation.cc b/source/blender/compositor/operations/COM_RotateOperation.cc
index 842bfcfdbfd..5ba3153ff6c 100644
--- a/source/blender/compositor/operations/COM_RotateOperation.cc
+++ b/source/blender/compositor/operations/COM_RotateOperation.cc
@@ -165,7 +165,7 @@ void RotateOperation::get_area_of_interest(const int input_idx,
 {
   if (input_idx == 1) {
     /* Degrees input is always used as constant. */
-    r_input_area = COM_SINGLE_ELEM_AREA;
+    r_input_area = COM_CONSTANT_INPUT_AREA_OF_INTEREST;
     return;
   }
 
diff --git a/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cc b/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cc
index f9ba2ef69ad..211c037851b 100644
--- a/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cc
+++ b/source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cc
@@ -388,7 +388,7 @@ void ScreenLensDistortionOperation::get_area_of_interest(const int input_idx,
 {
   if (input_idx != 0) {
     /* Dispersion and distorsion inputs are used as constants only. */
-    r_input_area = COM_SINGLE_ELEM_AREA;
+    r_input_area = COM_CONSTANT_INPUT_AREA_OF_INTEREST;
   }
 
   /* XXX the original method of estimating the area-of-interest does not work
diff --git a/source/blender/compositor/operations/COM_TransformOperation.cc b/source/blender/compositor/operations/COM_TransformOperation.cc
index 9d00b7eec49..0feca07ac82 100644
--- a/source/blender/compositor/operations/COM_TransformOperation.cc
+++ b/source/blender/compositor/operations/COM_TransformOperation.cc
@@ -101,7 +101,7 @@ void TransformOperation::get_area_of_interest(const int input_idx,
     case 2:
     case 3: {
       /* Translation x/y and rotation degrees are always constant. */
-      r_input_area = COM_SINGLE_ELEM_AREA;
+      r_input_area = COM_CONSTANT_INPUT_AREA_OF_INTEREST;
       return;
     }
     case 4: {