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Don't blend alpha channels

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We want to use the source alpha to determine the color of the final
pixel, but we want the final pixels to be fully opaque.

Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2021-03-31 16:24:28 +02:00
parent 385d15cd0c
commit 97e0db205d
1 changed files with 2 additions and 2 deletions
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4
gpui/src/platform/mac/renderer.rs
View file

@ -709,9 +709,9 @@ fn build_pipeline_state(
color_attachment.set_rgb_blend_operation(metal::MTLBlendOperation::Add);
color_attachment.set_alpha_blend_operation(metal::MTLBlendOperation::Add);
color_attachment.set_source_rgb_blend_factor(metal::MTLBlendFactor::SourceAlpha);
color_attachment.set_source_alpha_blend_factor(metal::MTLBlendFactor::SourceAlpha);
color_attachment.set_source_alpha_blend_factor(metal::MTLBlendFactor::One);
color_attachment.set_destination_rgb_blend_factor(metal::MTLBlendFactor::OneMinusSourceAlpha);
color_attachment.set_destination_alpha_blend_factor(metal::MTLBlendFactor::OneMinusSourceAlpha);
color_attachment.set_destination_alpha_blend_factor(metal::MTLBlendFactor::One);
device
.new_render_pipeline_state(&descriptor)