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Tweak the Viewport configuration warning to mention 2×2 size requirement

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This commit is contained in:
Hugo Locurcio 2021-10-01 16:36:28 +02:00
parent 63addc3286
commit d567369c8f
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GPG key ID: 39E8F8BE30B0A49C
2 changed files with 4 additions and 3 deletions
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2
doc/classes/SubViewport.xml
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@ -25,7 +25,7 @@
The update mode when the sub-viewport is used as a render target.
</member>
<member name="size" type="Vector2i" setter="set_size" getter="get_size" default="Vector2i(512, 512)">
The width and height of the sub-viewport.
The width and height of the sub-viewport. Must be set to a value greater than or equal to 2 pixels on both dimensions. Otherwise, nothing will be displayed.
</member>
<member name="size_2d_override" type="Vector2i" setter="set_size_2d_override" getter="get_size_2d_override" default="Vector2i(0, 0)">
The 2D size override of the sub-viewport. If either the width or height is [code]0[/code], the override is disabled.

5
scene/main/viewport.cpp
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@ -821,6 +821,7 @@ void Viewport::_set_size(const Size2i &p_size, const Size2i &p_size_2d_override,
RS::get_singleton()->viewport_set_size(viewport, 0, 0);
}
_update_global_transform();
update_configuration_warnings();
update_canvas_items();
@ -2821,8 +2822,8 @@ Variant Viewport::gui_get_drag_data() const {
TypedArray<String> Viewport::get_configuration_warnings() const {
TypedArray<String> warnings = Node::get_configuration_warnings();
if (size.x == 0 || size.y == 0) {
warnings.push_back(RTR("Viewport size must be greater than 0 to render anything."));
if (size.x <= 1 || size.y <= 1) {
warnings.push_back(RTR("The Viewport size must be greater than or equal to 2 pixels on both dimensions to render anything."));
}
return warnings;
}