[Bf-blender-cvs] [4a4701b43c5] blender-v3.1-release: Fix painting on none 256 aligned images.
Jeroen Bakker
noreply at git.blender.org
Tue Mar 1 09:42:26 CET 2022
Commit: 4a4701b43c53d1a4946e224821ba398548b22043
Author: Jeroen Bakker
Date: Tue Mar 1 09:32:58 2022 +0100
Branches: blender-v3.1-release
https://developer.blender.org/rB4a4701b43c53d1a4946e224821ba398548b22043
Fix painting on none 256 aligned images.
Internally the update tiles are 256x256. Due to some miscalculations
tiles were not generated correctly if the dimension of the image wasn't
a multifold of 256.
===================================================================
M source/blender/blenkernel/intern/image_partial_update.cc
M source/blender/draw/engines/image/image_drawing_mode.hh
===================================================================
diff --git a/source/blender/blenkernel/intern/image_partial_update.cc b/source/blender/blenkernel/intern/image_partial_update.cc
index 7e187c2014e..bec3c193af5 100644
--- a/source/blender/blenkernel/intern/image_partial_update.cc
+++ b/source/blender/blenkernel/intern/image_partial_update.cc
@@ -213,8 +213,8 @@ struct TileChangeset {
tile_width = image_buffer->x;
tile_height = image_buffer->y;
- int chunk_x_len = tile_width / CHUNK_SIZE;
- int chunk_y_len = tile_height / CHUNK_SIZE;
+ int chunk_x_len = (tile_width + CHUNK_SIZE - 1) / CHUNK_SIZE;
+ int chunk_y_len = (tile_height + CHUNK_SIZE - 1) / CHUNK_SIZE;
init_chunks(chunk_x_len, chunk_y_len);
return true;
}
diff --git a/source/blender/draw/engines/image/image_drawing_mode.hh b/source/blender/draw/engines/image/image_drawing_mode.hh
index 4564ef87025..267b0477a29 100644
--- a/source/blender/draw/engines/image/image_drawing_mode.hh
+++ b/source/blender/draw/engines/image/image_drawing_mode.hh
@@ -229,7 +229,21 @@ template<typename TextureMethod> class ScreenSpaceDrawingMode : public AbstractD
BLI_assert(float_buffer->rect == nullptr);
BLI_assert(src->rect_float == nullptr);
BLI_assert(src->rect != nullptr);
- IMB_float_from_rect_ex(float_buffer, src, &iterator.changed_region.region);
+
+ /* Calculate the overlap between the updated region and the buffer size. Partial Update Checker
+ * always returns a tile (256x256). Which could lay partially outside the buffer when using
+ * different resolutions.
+ */
+ rcti buffer_rect;
+ BLI_rcti_init(&buffer_rect, 0, float_buffer->x, 0, float_buffer->y);
+ rcti clipped_update_region;
+ const bool has_overlap = BLI_rcti_isect(
+ &buffer_rect, &iterator.changed_region.region, &clipped_update_region);
+ if (!has_overlap) {
+ return;
+ }
+
+ IMB_float_from_rect_ex(float_buffer, src, &clipped_update_region);
}
void do_partial_update(PartialUpdateChecker<ImageTileData>::CollectResult &iterator,
More information about the Bf-blender-cvs
mailing list