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Correctly swizzle the textures for ScreenSpaceImage types to allow for 8 bit grayscale images (closes #2330)

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Alexander Bock
2023-01-27 21:29:12 +01:00
parent eba9d000e6
commit 2fcf4617c9
2 changed files with 8 additions and 0 deletions
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4
modules/base/rendering/screenspaceimagelocal.cpp
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@@ -124,6 +124,10 @@ void ScreenSpaceImageLocal::update() {
// image is only RGB
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
if (texture->format() == ghoul::opengl::Texture::Format::Red) {
texture->setSwizzleMask({ GL_RED, GL_RED, GL_RED, GL_ONE });
}
texture->uploadTexture();
texture->setFilter(ghoul::opengl::Texture::FilterMode::LinearMipMap);
texture->purgeFromRAM();