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RenderSurface

Struct RenderSurface 

Source
pub struct RenderSurface { /* private fields */ }
Expand description

渲染表面

管理窗口表面、交换链配置和帧缓冲,提供渲染目标管理功能。

§设计理念

  • 自适应配置: 根据设备能力自动配置表面参数
  • 动态调整: 支持窗口大小变化时的动态重配置
  • 格式选择: 自动选择最佳的纹理格式和呈现模式
  • 错误恢复: 处理表面丢失等异常情况

§示例

use anvilkit_render::renderer::{RenderDevice, RenderSurface};
use std::sync::Arc;
use winit::window::Window;
 
// 创建设备和表面
// let window = Arc::new(window);
// let device = RenderDevice::new(&window).await?;
// let surface = RenderSurface::new(&device, &window)?;
 
// 获取当前帧
// let frame = surface.get_current_frame()?;

Implementations§

Source§

impl RenderSurface

Source

pub fn new(device: &RenderDevice, window: &Arc<Window>) -> Result<Self>

创建新的渲染表面

§参数
  • device: 渲染设备
  • window: 窗口实例
§返回

成功时返回 RenderSurface 实例,失败时返回错误

§示例
use anvilkit_render::renderer::{RenderDevice, RenderSurface};
use std::sync::Arc;
use winit::window::Window;
 
// let window = Arc::new(window);
// let device = RenderDevice::new(&window).await?;
// let surface = RenderSurface::new(&device, &window)?;
Source

pub fn new_with_vsync( device: &RenderDevice, window: &Arc<Window>, vsync: bool, ) -> Result<Self>

创建新的渲染表面(指定 vsync 模式)

  • vsync = true: 使用 PresentMode::Fifo(垂直同步)
  • vsync = false: 优先使用 PresentMode::Mailbox(三重缓冲,低延迟)
Source

pub fn resize( &mut self, device: &RenderDevice, width: u32, height: u32, ) -> Result<()>

调整表面大小

§参数
  • device: 渲染设备
  • width: 新的宽度
  • height: 新的高度
§返回

成功时返回 Ok(()),失败时返回错误

§示例
surface.resize(device, 1920, 1080)?;
Source

pub fn get_current_frame(&self) -> Result<SurfaceTexture>

获取当前帧纹理

§返回

成功时返回 SurfaceTexture,失败时返回错误

§示例
let frame = surface.get_current_frame()?;
let view = frame.texture.create_view(&Default::default());
// 使用纹理视图进行渲染
frame.present();
Source

pub fn reconfigure(&self, device: &RenderDevice)

重新配置表面(用于 Lost/Outdated 恢复)

Source

pub fn get_current_frame_with_recovery( &self, device: &RenderDevice, ) -> Result<SurfaceTexture>

获取当前帧,自动恢复 Lost/Outdated 错误

如果首次获取失败(Lost 或 Outdated),自动 reconfigure 后重试一次。

Source

pub fn config(&self) -> &SurfaceConfiguration

获取表面配置

§返回

返回当前的表面配置

§示例
let config = surface.config();
println!("表面大小: {}x{}", config.width, config.height);
Source

pub fn format(&self) -> TextureFormat

获取纹理格式

§返回

返回当前的纹理格式

§示例
let format = surface.format();
println!("纹理格式: {:?}", format);
Source

pub fn size(&self) -> (u32, u32)

获取表面大小

§返回

返回 (宽度, 高度) 元组

§示例
let (width, height) = surface.size();
println!("表面大小: {}x{}", width, height);
Source

pub fn surface(&self) -> &Surface<'static>

获取表面引用

§返回

返回 wgpu 表面的引用

§示例
let wgpu_surface = surface.surface();
// 使用原始表面进行高级操作

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