wgpu: Use premultiplied alpha for bitmaps
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@ -369,7 +369,7 @@ fn create_bitmap_pipeline(
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&[wgpu::ColorStateDescriptor {
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&[wgpu::ColorStateDescriptor {
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format: wgpu::TextureFormat::Bgra8Unorm,
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format: wgpu::TextureFormat::Bgra8Unorm,
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color_blend: wgpu::BlendDescriptor {
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color_blend: wgpu::BlendDescriptor {
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src_factor: wgpu::BlendFactor::SrcAlpha,
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src_factor: wgpu::BlendFactor::One,
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dst_factor: wgpu::BlendFactor::OneMinusSrcAlpha,
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dst_factor: wgpu::BlendFactor::OneMinusSrcAlpha,
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operation: wgpu::BlendOperation::Add,
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operation: wgpu::BlendOperation::Add,
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},
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},
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@ -433,7 +433,7 @@ fn create_bitmap_pipeline(
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&[wgpu::ColorStateDescriptor {
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&[wgpu::ColorStateDescriptor {
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format: wgpu::TextureFormat::Bgra8Unorm,
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format: wgpu::TextureFormat::Bgra8Unorm,
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color_blend: wgpu::BlendDescriptor {
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color_blend: wgpu::BlendDescriptor {
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src_factor: wgpu::BlendFactor::SrcAlpha,
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src_factor: wgpu::BlendFactor::One,
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dst_factor: wgpu::BlendFactor::OneMinusSrcAlpha,
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dst_factor: wgpu::BlendFactor::OneMinusSrcAlpha,
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operation: wgpu::BlendOperation::Add,
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operation: wgpu::BlendOperation::Add,
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},
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},
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