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don't destroy dummy image texture if clearBackgroundImage has been called without setBackgroundImage having been called first

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This commit is contained in:
Nick Fisher
2024-06-19 16:38:14 +08:00
parent 735612af66
commit 846f45bb63
2 changed files with 4 additions and 2 deletions
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1
thermion_dart/native/include/FilamentViewer.hpp
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@@ -211,6 +211,7 @@ namespace thermion_filament
uint32_t _imageWidth = 0;
mat4f _imageScale;
Texture *_imageTexture = nullptr;
Texture *_dummyImageTexture = nullptr;
utils::Entity _imageEntity;
VertexBuffer *_imageVb = nullptr;
IndexBuffer *_imageIb = nullptr;

5
thermion_dart/native/src/FilamentViewer.cpp
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@@ -214,7 +214,7 @@ namespace thermion_filament
Log("Created scene maager");
_imageTexture = Texture::Builder()
_dummyImageTexture = Texture::Builder()
.width(1)
.height(1)
.levels(0x01)
@@ -229,7 +229,7 @@ namespace thermion_filament
.build(*_engine);
_imageMaterial->setDefaultParameter("showImage", 0);
_imageMaterial->setDefaultParameter("backgroundColor", RgbaType::sRGB, float4(1.0f, 1.0f, 1.0f, 0.0f));
_imageMaterial->setDefaultParameter("image", _imageTexture, _imageSampler);
_imageMaterial->setDefaultParameter("image", _dummyImageTexture, _imageSampler);
}
catch (...)
{
@@ -549,6 +549,7 @@ namespace thermion_filament
void FilamentViewer::clearBackgroundImage()
{
_imageMaterial->setDefaultParameter("image", _dummyImageTexture, _imageSampler);
_imageMaterial->setDefaultParameter("showImage", 0);
if (_imageTexture)
{