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Handle 0 height in prepare_bloom_textures (#14423)
# Objective - Fix a confusing panic when the viewport width is non-zero and the height is 0, `prepare_bloom_textures` tries to create a `4294967295x1` texture. ## Solution - Avoid dividing by zero - Apps still crash after this, but now on a more reasonable error about the zero-size viewport ## Testing - I isolated and tested the math. A height of 0 sets `mip_height_ratio` to `inf`, causing the width to explode if it isn't also 0
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@ -338,7 +338,11 @@ fn prepare_bloom_textures(
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{
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// How many times we can halve the resolution minus one so we don't go unnecessarily low
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let mip_count = MAX_MIP_DIMENSION.ilog2().max(2) - 1;
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let mip_height_ratio = MAX_MIP_DIMENSION as f32 / height as f32;
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let mip_height_ratio = if height != 0 {
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MAX_MIP_DIMENSION as f32 / height as f32
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} else {
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0.
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};
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let texture_descriptor = TextureDescriptor {
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label: Some("bloom_texture"),
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