# 图形和显示

Source: [https://docs.qualcomm.com/doc/80-70014-50Y/topic/graphics-and-display.html](https://docs.qualcomm.com/doc/80-70014-50Y/topic/graphics-and-display.html)

Wayland 服务器使用 Wayland 协议来启用显示/图形服务器与其客户端之间的通信。显示和图形架构使用 Weston 服务器（Weston），它是 Wayland 服务器（也称为 Wayland 合成器）的实现。

Weston 致力于合成和显示的管理，能够在系统中作为单独的进程运行。

Figure : Weston/Wayland 架构
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)

Table : Weston/Wayland 组件

| 组件 | 说明 |
| --- | --- |
| Wayland/GLES 客户端 | 为 Weston 实施 Wayland 协议。 |
| Weston 服务器 | 实现 Wayland 合成器。<ul class="ul" id="graphics-and-display__ul_nz1_vwy_rbc"><br>                                <li class="li">使用内核模式设置（KMS）搭建显示。</li><br><br>                                <li class="li">使用 OpenGL ES 和 Direct Rendering Manager（DRM）执行合成</li><br><br>                            </ul> |
| 安全动态消息传递（SDM）后端 | <ul class="ul" id="graphics-and-display__ul_amz_bxy_rbc"><br>                                <li class="li">使用显示硬件抽象层（HAL）与显示硬件进行交互。</li><br><br>                                <li class="li">提供多个与平台相关的实现，其中一个用于 DRM 和 KMS。</li><br><br>                            </ul> |
| GBM 缓冲区管理库（libGBM） | <ul class="ul" id="graphics-and-display__ul_rdl_fxy_rbc"><br>                                <li class="li">包括 DMA 后端。</li><br><br>                                <li class="li">用于显示器和图形之间的零拷贝缓冲区共享。</li><br><br>                            </ul> |
| EGL 平台特定驱动程序（EGL 子驱动程序） | 与 GBM 和 Wayland 协议交互以与 Weston 合成器通信。 |

**Parent Topic:** [Qualcomm IM SDK GStreamer 插件架构](https://docs.qualcomm.com/doc/80-70014-50Y/topic/architecture.html)

Last Published: Nov 11, 2025

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