Graphics-driver

# 概述图形子系统由Qualcomm^®^ Adreno^™^ GPU提供支持，其提供以下功能： - 用作具有 64 位寻址的三维 (3D) 图形加速器。 - 将图形内存 (GMEM) 合并为图形子系统的专用内存，帮助 Fast Z、颜色和模板渲染。 - 支持 Qualcomm^®^ Universal Bandwidth Compression，以增强整体性能。 Adreno GPU 支持以下图形和计算 API： - **OpenGL ES**：[3.0](https://registry.khronos.org/OpenGL/specs/es/3.0/es_spec_3.0.pdf)、[3.1](https://registry.khronos.org/OpenGL/specs/es/3.1/es_spec_3.1.pdf)、[3.2](https://registry.khronos.org/OpenGL/specs/es/3.2/es_spec_3.2.pdf) - **OpenCL**：[1.2 FP](https://registry.khronos.org/OpenCL/specs/opencl-1.2.pdf)、[2.0 FP](https://registry.khronos.org/SPIR-V/specs/1.0/OpenCL.std.20.pdf)、[3.0 FP](https://registry.khronos.org/OpenCL/specs/3.0-unified/html/OpenCL_API.html) - **EGL**：[1.5](https://registry.khronos.org/EGL/specs/eglspec.1.5.pdf) - **Vulkan**: [1.1](https://registry.khronos.org/vulkan/#vulkan1.1) Note 请参阅 Qualcomm^®^ Linux^®^ 上支持的[硬件 SoC](https://docs.qualcomm.com/bundle/publicresource/topics/80-70017-115/soc.html)。 ## 架构 **图：图形子系统架构** **Adreno GPU 驱动程序** Adreno GPU 驱动程序是包含一组由 Qualcomm 开发的用户模式预编译库和固件。Adreno GPU驱动程序无法修改，必须按原样使用。 Note 要使用 Adreno GPU 支持的所有功能，请确保表：[GPU 固件文件](https://docs.qualcomm.com/doc/80-70017-19SC/topic/graphics-overview.html#table-qkn-4bc-ybc)和表：[GPU 驱动程序库](https://docs.qualcomm.com/doc/80-70017-19SC/topic/graphics-overview.html#table-j3s-gl3-kcc)中列出的文件存在于设备上的 `/lib/firmware/` 目录中。 **Adreno GPU 固件** 下表列出了 Adreno GPU 硬件的固件文件：表：GPU固件文件 | **说明** | QCS5430/QCS6490 firmware | QCS8275 固件 | QCS9075 固件 | | --- | --- | --- | --- | | 命令处理器的微代码 | a660\_sqe.fw | a650\_sqe.fw | a660\_sqe.fw | | 实现安全内容支持的微代码 | a660\_zap | a623\_zap | a663\_zap | | 用于图形管理单元 (GMU) 的微代码 | a660\_gmu.bin | a663\_gmu.bin | a660\_gmu.bin | **内核图形支持层 (KGSL)** KGSL 是 Adreno GPU 的内核模式驱动程序。KGSL 驱动程序的主要功能是将 Adreno 用户模式驱动程序生成的命令提交给 Adreno GPU 进行处理。此外，KGSL 驱动程序与 GMU 通信以确保正确的状态管理。下表列出了支持的 GPU 库和 KGSL 驱动程序。 > > > **表：GPU 库和 KGSL 驱动程序** > > > > > > | Adreno GPU 库 | KGSL 驱动程序 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | > | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | > |

库	说明
libCB.so	GPU 计算驱动程序
libEGL_adreno.so	EGL 1.x 驱动程序
libeglSubDriverWayland.so	适用于 Wayland 子系统的 EGL 驱动程序
libadreno_utils.so	Adreno GPU 驱动程序的工具库
libgsl.so	GSL 库
libq3dtools_adreno.so	Adreno Profiler 支持层
libGLESv1_CM_adreno.so	OpenGL ES 1.x 驱动程序
libGLESv2_adreno.so	OpenGL ES 2.x/3.x 驱动程序
libq3dtools_esx.so	OpenGL ES Profiler 支持层
libOpenCL.so	OpenCL 库
libOpenCL_adreno.so	Adreno GPU 的 OpenCL 库
libllvm-qcom.so	OpenCL 编译器库
libvulkan_adreno.so	Vulkan 1.x 驱动程序
libllvm-glnext.so	OpenGL ES 和 Vulkan 程序二进制文件加载程序
libllvm-qgl.so	OpenGL ES 和 Vulkan 核心编译器库

Linux 内核	6.6
源代码路径	`<root_dir>/source/graphics-kernel/`
GPU DTSI 文件
QCS5430	`<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics.dtsi` `<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics-pwrlevels.dtsi`
QCS6490	`<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics.dtsi` `<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics-pwrlevels.dtsi`
QCS8275	`<root_dir>/source/graphics-devicetree/gpu/qcs8300-graphics.dtsi`
QCS9075	`<root_dir>/source/graphics-devicetree/gpu/qcs9075-graphics.dtsi`

<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics-pwrlevels.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics-pwrlevels.dtsi

| **QCS6490** |

<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics-pwrlevels.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics-pwrlevels.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics-pwrlevels.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcs5430-graphics-pwrlevels.dtsi

| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | > | **QCS6490** |

<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics-pwrlevels.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics.dtsi

<root_dir>/source/graphics-devicetree/gpu/qcm6490-graphics-pwrlevels.dtsi

| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | > | **QCS8275** | `/source/graphics-devicetree/gpu/qcs8300-graphics.dtsi` | `/source/graphics-devicetree/gpu/qcs8300-graphics.dtsi` | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | > | **QCS9075** | `/source/graphics-devicetree/gpu/qcs9075-graphics.dtsi` | `/source/graphics-devicetree/gpu/qcs9075-graphics.dtsi` | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ## 功能下表列出了 Adreno GPU 的规格： | 芯片组 | QCS5430 | QCS6490 | QCS8275 | QCS9075 | | --- | --- | --- | --- | --- | | **GPU** | Adreno GPU 642L | Adreno GPU 643 | Adreno GPU 623 | Adreno GPU 663 | | **GPU 时钟** | 315 MHz | 812 MHz | 877 MHz | 800 MHz | | **片上内存 (GMEM)** | 512 kB | 512 kB | 512 kB | 1.5 MB | 要查找 GPU 信息，请在设备上使用 SSH 运行以下命令： cat sys/class/kgsl/kgsl-3d0/gpu_model Copy to clipboard 关于 Adreno GPU 的一般信息，请参阅 [Game Developer Guide](https://docs.qualcomm.com/bundle/publicresource/topics/80-78185-2/gpu.html)。 Last Published: Jan 23, 2025 [Next Topic 入门指南](https://docs.qualcomm.com/bundle/publicresource/80-70017-19SC/topics/graphics-getting-started.md) Source: [https://docs.qualcomm.com/doc/80-70017-19SC/topic/graphics-overview.html](https://docs.qualcomm.com/doc/80-70017-19SC/topic/graphics-overview.html)