• clCreateProgramWithSource & clCreateProgramWithBinary on Mali GPU

    arcsoft_ylj
    arcsoft_ylj

    What is the difference between these?

    when using clCreateProgramWithBinary on qualcomm gpu, the execution time is reduced dozens of times compare to clCreateProgramWithSource.

    but on Mali GPU, There is no big difference between these two methods, what could…

    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Issue with half float vertex attribute/varying with OpenGL ES on Mali-T628

    Timo Suoranta
    Timo Suoranta

    When I pass half float vertex attribute directly (unmodified) to a varying, I get incorrect values in the fragment shader.

    This works:

    vTexCoord = vec2(1.00001 * TextureCoordinate0.x, 1.0001 * TextureCoordinate0.y);

    This does not work:

    vTexCoord = vec2(TextureCoordinate0…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Generate errors when I compile the mali-400 kernel drivers .

    Larry
    Larry

    Hello ,everyone

    I meet some problems when I compile the mali-400 kernel drivers

    I copy the mali0400 drivers to the linux kernel and config the linux kernel .but when I compile the kernel the compiler just generate errors

    -------------------------------…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Issue with half float vertex attribute/varying with OpenGL ES on Mali-T628 (private)

    Timo Suoranta
    Timo Suoranta

    Hi,

    Attached is APK that reproduces half float texture coordinates being rendered incorrectly, after one correct frame.

    • The sphere on the left is affected, however, cube on the right is not affected.
    • The issue goes away if vertex shader modifies texture…
    • HalfFloatTexCoord-release.apk.zip
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Need a tutorial: install latest Mali kernel space drivers, please..

    Grigory Ptashko
    Grigory Ptashko

    Hello.

    I need to learn how to install Mali drivers. Both kernel space and user space. I'm using the Odroid XU4 with Mali T628.

    Currently, I'm trying to understand how to install kernel space drivers.

    As an advanced linux user I know how to build…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Does mali400 support 64Bit DMA-BUF?

    jinho
    jinho

    Hi,

    My Mali400 library version is r5p2-00rel. (MALI_VARIANT=mali400-r1p1-gles11-gles20-linux-dma_buf-no_profiling)

    I have trouble like below at 64bit,

    ------------------------------------------------------------------------------------------------------…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Need Mali 400 user space drivers with source for r5p2-00rel0

    Ritesh Prajapati
    Ritesh Prajapati

    I am working on ARM Cortex-A7 Dual Core Processor on All Winner A20 Android board.

    Currently, I am using Mali 400 r3p2-01rel2 kernel and user space drivers for Mali 400 MP2 support. Now, I want to upgrade it to Mali 400 r5p2-00rel0 for performance improvement…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • GL_OES_EGL_image_external with GLSL 3.0 shader and GLES 3.0 context?

    Stephane Jacoby
    Stephane Jacoby

    Hello Mali driver devs,

    It appears the GLSL 3.0 compiler doesn't support GL_OES_EGL_image_external extension, required by Android 3.0+ for use with SurfaceTexture. Recompilation for #version 100 instead of #version 300 es resolves the issue. GL_OES_EGL_image_external…

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • The correct version of libMali.so needs to be used in each case.

    magic0se
    magic0se

    Mali supports 3 windowing systems on Linux: Android, Linux fbdev and Linux X11.

    The correct version of libMali.so needs to be used in each case.

    For example, if you try to use libMali.so that was built for fbdev on X11, you will get eglInitialize() or similar…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called

    magic0se
    magic0se

    I was build drivers r4p0 for Orange Pi 2 (Allwiner H3 soc)

    And now get the error.... with runing es2_info

    [xcb] Unknown request in queue while appending request

    [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called

    [xcb]…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • How to download mali kernel device drivers & user driver

    mic
    mic

    I can not download the "Kernel Device Driver r7p0-02rel0"  through the web site Open Source Mali Midgard GPU Linux Kernel Drivers - Mali Developer Center .

    How can I get it? thks.

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali-400 drivers don't support import texture from DMA-BUF

    MICHAL LAZO
    MICHAL LAZO

    I get this strength issues from ODROID

    drivers for Mali-400 don't support

    eglCreateImageKHR with EGL_LINUX_DMA_BUF_EXT

    ?

    but drivers internaly use DMA_BUF

    any reason or workaround for this for this?

    And why UMP is supported and DMA_BUF isn't?

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Is it possible to benefit from DMA in r6p0 using DRM + GPU?

    Markus Pfau
    Markus Pfau

    Hi,

    I own an odroid XU3 wich runs currently with the newest mali driver (r6p0) on ubuntu 15.01 without X.

    I spend the last days in trying to pass the drm buffer using gbm into the mali gpu, until now with no success.

    Problem is, that I'm not able to set…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Cache Coherence for BigLittle CPUs and Arm Mali T628 MP6 GPU on the odroid XU3 board

    Kiran Chandramohan
    Kiran Chandramohan

    I am using the odroid XU3 board. It has the Samsung Exynos5422 SoC. The SoC has BigLittle CPUs and the Arm Mali T628 MP6 GPU.  I would like to run the CPU and the GPU in parallel on different sections of the array that I am processing. Currently to enforce…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • OpenCL on Nexus 10

    Robert David
    Robert David

    Hello,

    Is it possible to use the Mali user space drivers on the Nexus 10 available at http://malideveloper.arm.com/develop-for-mali/drivers/mali-t6xx-gpu-user-space-drivers/ with stock Google firmware for OpenCL development? I don't want to change/debug…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali utils

    Sriram
    Sriram

    Hello,

    Can i find a benchmark utility which does not use a DIsplay/Framebuffer for 3D graphics which uses mali gpu.

    I dont use a framebuffer/display drivers on my linux machine.

    I tried using glmark2-es2 but it needs a display/framebuffer.

    Thanks for your…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali 400 new User-Space Binary Drivers

    armkon
    armkon

    Hello i have use H3 unit with mali 400 mp2.
    I have question about new drivers r6p0 i have see sources, cross_compile them, they are ok, but i don't have User-Space Binary Drivers for r6p0 the last one that i have are for r3p0 or r4p0...

    Where to find…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • [r10p0 Driver] Does Mali-T7xx/Mali-T8xx series support  "Vulkan"?

    HanSangMin
    HanSangMin

    Hello.

    Does <Mali-T7xx/Mali-T8xx series> support  "Vulkan"?

    I wonder if <Mali Graphics Debugger v3.4> supports  "Vulkan".

    Vulkan supports the driver in <r10p0>?

    Thank you!

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Segmentation fault in mgddaemon v3.4.1 on STLinux distribution

    Ilyes Gouta
    Ilyes Gouta

    Hi,

    I'm trying out Mali Graphics Debugger (v3.4.1.e98bc10b) on a target system having Mali-400 MP GPU, running the STLinux distribution (www.stlinux.com) and Mali r5p1 drivers.

    The STLinux distribution comes with glibc 2.14.1 and running the daemon…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • YUV scaling using maliT760

    jitender
    jitender

    I want to know  whether T760 HW supports processing YUV frames directly (input YUV, and output YUV), and what YUV formats (e.g., NV12, NV21, YV12, etc.) are supported.

    The intended use cases for this could be that the camera SW stack uses GPU for post…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • DS-5 gpu assembly

    seufanghao
    seufanghao

    Hi,

        I want to analyze the performance of graphic applications via DS-5 and I notice that some disassembly is shown in DS-5. Below is the illustration. What is the disassembly? On which dose it run(CPU or GPU or CPU&GPU)?

    disassembly.PNG
    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Rockchip RK3288 Android MALI T760, support for 16 bit RGB 565

    Karthik
    Karthik

    Currently the framebuffer/MALI/Linux driver, supports RGB8888 format, I am trying to configure my frambuffer for 16 bit RGB565 format. I am not sure how to configure, but when I looked into the sources, I noticed that the Android.mk file under (/hardware…

    • Answered
    • 9946.zip
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • MALI-400 : eglCreateImageKHR, EGL_GL_TEXTURE_2D_KHR and updating textures with the CPU

    Bertrand Augereau
    Bertrand Augereau

    Hello everybody, I'm currently struggling with the said system.Is there somewhere a *full* sample code for Linux that does create an EGLImage for a texture and demonstrates how to update it with the CPU ?

    Reference documentation seems ok but eglGetError…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali DS-5 Streamline on Samsung Galaxy S5 (G900H)

    Jani Vaarala
    Jani Vaarala

    Hi.

    I've been trying to setup the Streamline support for my S5 for graphics debugging purposes.

    There were some issues with getting everything compiling and installing, but I think I have everything more or less covered and I have a custom kernel, gator…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali OpenGL ES Instrumented Drivers?

    seufanghao
    seufanghao

    Hi,

         I want to optimize my app which is running on mali gpu. ARM offers some developer tools like mali debugger, DS-5 streamline, etc. A document(http://infocenter.arm.com/help/topic/com.arm.doc.dui0363d/DUI0363D_opengl_es_app_dev_guide…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
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