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}
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nain
telemetry.rs
metal_renderer.rs settings.json -/.config/zed
crates/gpui/src/platform/mac/metal_renderer.rs impl MetalRenderer in draw_primitives
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Explain what the 'draw_primitives function is doing:
>zed/crates/gpui/src/platform/mac/metal_renderer.rs, Lines 376 to 501
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fn draw_primitives(
&mut self,
scene: &Scene,
instance_buffer: &mut InstanceBuffer,
drawable: &metal:: MetalDrawableRef,
viewport_size: Size<DevicePixels>,
)→ Result<metal:: CommandBuffer> {
let command_queue self.command_queue.clone();
let-command_buffer = command_queue.new_command_buffer();
let-mut-instance_offset=0;
let Some (path_tiles) self.rasterize_paths(
scene.paths(),
instance_buffer,
&mut instance_offset,
command_buffer,
) else {
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return Err(anyhow! ("failed to rasterize {} paths", scene.paths().len()));
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};
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let render_pass_descriptor metal:: RenderPassDescriptor:: new();
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let color_attachment render_pass_descriptor
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.color_attachments()
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.object_at(0)
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...unwrap();
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color_attachment.set_texture (Some (drawable.texture()));
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color_attachment.set_load_action (metal:: MTLLoadAction:: Clear);
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color_attachment.set_store_action (metal:: MTLStoreAction:: Store);
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let alpha if self.layer.is_opaque() { 1. } else {0.};
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color_attachment.set_clear_color(metal:: MTLClearColor:: new (0., 0., 0., alpha));
Send
501:6 (126 lines, 4692 characters) Rust
Explanation
The image is a screenshot of a code editor, likely Zed, showing a Rust file named `metal_renderer.rs`. The code defines a function called `draw_primitives`, which appears to be related to rendering graphics using Metal. There is also a section on the right of the editor with an AI assistant named Claude 3.5 Sonnet that is generating an explanation of what the `draw_primitives` function is doing.