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I.MX Graphics Users Guide Android NXP Semiconductors Document Number: IMXGRAPHICUG Rev. 0, 02/2018 i.MX Graphics User’s Guide Contents Chapter 1 Introduction ............................................................................................................................................. 6 Chapter 2 i.MX G2D API ............................................................................................................................................ 6 2.1 Overview ...................................................................................................................................................... 6 2.2 Enumerations and structures ....................................................................................................................... 6 2.3 G2D function descriptions .......................................................................................................................... 10 2.4 Support of new operating system in G2D .................................................................................................. 16 2.5 Sample code for G2D API usage ................................................................................................................. 16 2.6 Feature list on multiple platforms.............................................................................................................. 19 Chapter 3 i.MX EGL and OGL Extension Support .................................................................................................... 20 3.1 Introduction ............................................................................................................................................... 20 3.2 EGL extension support ............................................................................................................................... 20 3.3 OpenGL ES extension support .................................................................................................................... 23 3.4 Extension GL_VIV_direct_texture .............................................................................................................. 29 3.5 Extension GL_VIV_texture_border_clamp ................................................................................................. 32 Chapter 4 i.MX Framebuffer API ............................................................................................................................ 35 4.1 Overview .................................................................................................................................................... 35 4.2 API data types and environment variables ................................................................................................ 35 4.3 API description and syntax ......................................................................................................................... 37 Chapter 5 OpenCL ................................................................................................................................................... 44 5.1 Overview .................................................................................................................................................... 44 5.2 Vivante OpenCL implementation ............................................................................................................... 51 5.3 Optimization for OpenCL embedded profile .............................................................................................. 53 5.4 OpenCL Debug messages ........................................................................................................................... 56 Chapter 6 OpenVX Introduction ............................................................................................................................. 57 6.1 Overview .................................................................................................................................................... 57 6.2 Designing framework of OpenVX ............................................................................................................... 57 6.3 OpenVX extension implementation ........................................................................................................... 59 6.4 OpenCL functions compatible with Vivante vision..................................................................................... 62 Chapter 7 Vulkan .................................................................................................................................................... 65 7.1 OverView .................................................................................................................................................... 65 7.2 Vivante Extension Support for Vulkan ....................................................................................................... 65 Chapter 8 Multiple GPUs and Virtualization........................................................................................................... 67 8.1 Overview .................................................................................................................................................... 67 8.2 Multi-GPU configurations .......................................................................................................................... 67 8.3 GPU affinity configuration .......................................................................................................................... 67 i.MX Graphics User’s Guide, Rev. 0, 02/2018 2 NXP Semiconductors 8.4 OpenCL on multi-GPU device ..................................................................................................................... 67 8.5 GPU virtualization configuration ................................................................................................................ 68 Chapter 9 G2D compositor on Weston .................................................................................................................. 69 9.1 Overview .................................................................................................................................................... 69 9.2 Enabe G2D compositor .............................................................................................................................. 69 Chapter 10 XServer Video Driver ......................................................................................................................... 70 10.1 EXA driver ................................................................................................................................................... 70 10.2 XRandR ....................................................................................................................................................... 71 Chapter 11 Advanced GPU Configuration ............................................................................................................ 82 11.1 GPU Scaling Governor ................................................................................................................................ 82 11.2 GPU Device Cooling .................................................................................................................................... 82 Chapter 12 Vivante Software Tool Kit .................................................................................................................. 82 12.1 Vivante Tool Kit overview .......................................................................................................................... 82 12.2 vEmulator ................................................................................................................................................... 84 12.3 vShader ...................................................................................................................................................... 95 12.4 vCompiler ................................................................................................................................................. 103 12.5 vTexture ................................................................................................................................................... 107 12.6 vProfiler and vAnalyzer ............................................................................................................................ 111 12.7 Debug and performance counters ........................................................................................................... 125 Chapter 13 GPU Tools ........................................................................................................................................ 127 13.1 gpuinfo tool .............................................................................................................................................. 127 13.2 gmem_info tool ........................................................................................................................................ 129 13.3 Apitrace user guide .................................................................................................................................. 130 Chapter 14 GPU Memory Introduction .............................................................................................................. 135 14.1 GPU memory overview ............................................................................................................................ 135 14.2 GPU memory
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