Method new

crates/wgpu_context/src/buffer_renderer.rs:36–61

Creates a new render surface for the specified window and dimensions.

(config: BufferRendererConfig, device_handle: DeviceHandle, dev_id: usize)

impl BufferRenderer {
    /// Creates a new render surface for the specified window and dimensions.
    pub fn new(config: BufferRendererConfig, device_handle: DeviceHandle, dev_id: usize) -> Self {
        let texture_view = create_texture(
            config.width,
            config.height,
            TextureFormat::Rgba8Unorm,
            config.usage | TextureUsages::COPY_SRC,
            &device_handle.device,
        );

        let padded_byte_width = (config.width * 4).next_multiple_of(256);
        let buffer_size = padded_byte_width as u64 * config.height as u64;
        let gpu_buffer = device_handle.device.create_buffer(&BufferDescriptor {
            label: None,
            size: buffer_size,
            usage: BufferUsages::MAP_READ | BufferUsages::COPY_DST,
            mapped_at_creation: false,
        });

        Self {
            dev_id,
            device_handle,
            config,
            texture_view,
            gpu_buffer,
        }
    }

    pub fn device(&self) -> &Device {
        &self.device_handle.device