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Fix crash in GPU compositor when viewer size changes

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This change fixes crash which happens when a viewer node is used for
backdrop, and the scene render size is modified. After the modification
the render size and the texture size gets out of sync since the texture
was never adapting for the size change.

Pull Request: https://projects.blender.org/blender/blender/pulls/110590
This commit is contained in:
Sergey Sharybin
2023-07-31 11:17:14 +02:00
committed by Sergey Sharybin
parent 462dbe9929
commit c2dfa1a066
1 changed files with 13 additions and 1 deletions
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14
source/blender/render/intern/compositor.cc
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@@ -193,8 +193,20 @@ class Context : public realtime_compositor::Context {
/* TODO: support outputting previews.
* TODO: just a temporary hack, needs to get stored in RenderResult,
* once that supports GPU buffers. */
const int2 size = get_render_size();
/* Re-create texture if the viewer size changes. */
if (viewer_output_texture_) {
const int current_width = GPU_texture_width(viewer_output_texture_);
const int current_height = GPU_texture_height(viewer_output_texture_);
if (current_width != size.x || current_height != size.y) {
GPU_TEXTURE_FREE_SAFE(viewer_output_texture_);
viewer_output_texture_ = nullptr;
}
}
if (viewer_output_texture_ == nullptr) {
const int2 size = get_render_size();
viewer_output_texture_ = GPU_texture_create_2d("compositor_viewer_output_texture",
size.x,
size.y,