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Render quads with anti-aliased rounded corners

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This commit is contained in:
Antonio Scandurra 2021-03-22 13:50:43 +01:00
parent 119aa452b6
commit 123b7c55f6
3 changed files with 22 additions and 7 deletions
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15
gpui/src/platform/mac/renderer.rs
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@ -104,6 +104,7 @@ impl Renderer {
.background
.unwrap_or(ColorU::transparent_black())
.to_uchar4(),
corner_radius: quad.corner_radius * scene.scale_factor(),
};
unsafe {
*(buffer_contents.offset(ix as isize)) = shader_quad;
@ -143,11 +144,15 @@ fn build_pipeline_state(
descriptor.set_label(label);
descriptor.set_vertex_function(Some(vertex_fn.as_ref()));
descriptor.set_fragment_function(Some(fragment_fn.as_ref()));
descriptor
.color_attachments()
.object_at(0)
.unwrap()
.set_pixel_format(pixel_format);
let color_attachment = descriptor.color_attachments().object_at(0).unwrap();
color_attachment.set_pixel_format(pixel_format);
color_attachment.set_blending_enabled(true);
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_destination_rgb_blend_factor(metal::MTLBlendFactor::OneMinusSourceAlpha);
color_attachment.set_destination_alpha_blend_factor(metal::MTLBlendFactor::OneMinusSourceAlpha);
device
.new_render_pipeline_state(&descriptor)