• PixMap Surface slower and slower, why?

    Акоб
    Акоб

    Hi everyone.

    I am using Mali-400 GPU, on Allwinner A20, under linux.

    I am using egl pixmap surface. Rendering results correct, but every time when i calling glDraw with the same  parameters, the runtime of glDraw(only last) slower and slower.

    I am checking…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • ARM Mali-400 cores management

    Акоб
    Акоб

    Hello.

    We are programming on Mali-400 under Allwinner A20 about a month.

    We have a some questions about GPU cores.

    1) Is there an any way to make sure that all cores work when we calling gldraw() ?

    2) Can we somehow control pixel processors work? Enable or…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Usage of android GraphicBuffer instead of glReadPixels on SGS3 with Mali 400 MP4

    Fedor
    Fedor

    Hello,

    My application needs to retrieve a lot of data from GPU. So, as once recommended on ARM dev forums, I use android GraphicBuffer for this purpose as glReadPixels slows down the process quite heavily (by approx. 10 ms per frame, which is disastrous…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Failed to create 4096x4096 texture on Mali-400. The app crashes.

    Somabha
    Somabha

    Failed to create 4096x4096 texture on Mali-400. The app crashes. What can be wrong?

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • FIR Filter on Mali 400

    Акоб
    Акоб

    Hi everyone.

    We are trying to use mali 400 GP2 for real time audio processing. Audio data is signed short(16 bit).

    We implemented FIR filter, but it work very slow for real time processing.

    We have some problems to raise productivity.

    Data loading and writing…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • DS-5 Strealine Quads rasterized

    lhr2523
    lhr2523

    Hi ,

    I had meet a question that confuse me. I captured DS-5 Streamline data SwapBuffer of GLBenchMark .This test just refresh different color per frame.So I think it should be has the same Quads rasterized with screen size.  I think it should be calculate…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • create errors when I build the Mali™ GPU User Interface Engine

    Larry
    Larry

    Hello ,everyone

    I have a problem when I make the code of Mali™ GPU User Interface Engine which I download today.

    my system is ubuntu 14.0  --32bit .And I had install the Xlib by apt-get install libX11-dev

    after I enter the command :

    make all CONFIG…

    • 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
  • Mali Graphics Debugger: Not getting trace data in GUI

    Sean Novak
    Sean Novak

    Hello,

    I've been working on this all day and I can't quite get the last mile done.

    I've followed the Help documentation to a T, as well as, looked around this site for relevant info.  Specifically, Re: Re: Mali Graphics Debugger : libGLES_mgd…

    • 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
  • 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
  • YCbCr (NV12) texture scaling using r5p1 drivers on Mali400

    Ilyes Gouta
    Ilyes Gouta

    Hi,

    I have a use-case where NV12 video frames are imported as GL texture (using EXT_image_dma_buf_import, dma_buf) and would like to down-scale the said texture into also a destination NV12 buffer (render target). The destination NV12 buffer will hold…

    • 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
  • Basic Graphics Questions , How GPU works and achieves Parallesim.

    Ravinder
    Ravinder

    Dear Experts,

    I have some basic graphics questions here, my interest is basically with ARM MALI 400 MP2.

    Please provide your inputs

    1. Open VG/GL/GLES APIs generates any commands for GPU(VP and PP) to process? Are they defined by Khronous?
    2. Is every Open VG…
    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • ARM Mali 400 performance analysis using the DS-5 Streamline

    Ravinder
    Ravinder

    Dear ARM forum,

    I am using the  DS-5 Streamline to analyze my application performance on ARM MALI 400.

    I am seeing that,   GPU vertext processor activity for 3 milliseconds followed by a in-active period of 13 milliseconds then followed by…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali 400 dumb questions

    Ravinder
    Ravinder

    Dear ARM forum,

    I am writing a OpenGLES2.0 based graphics application.

    I am trying to find some quick answers to my questions.

    1. what are all the compressed Texture formats Mali 400 support? (in  RGB and YUV )

    2. what are all the uncompressed Texture…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Performance issue with using EBO

    Igor
    Igor

    Hello!

    We have a some performance issue in our game application with landscape rendering. Rendering is as follows: vertices represented as 16 static VBO, every frame we generate indices and flush it to single elements buffer object (if it's important …

    • Answered
    • 9421.zip
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • GPU BenchMark tool for ARM Mali 400 and higher

    Ravinder
    Ravinder

    Dear ARM Forum,

    I am looking for a GPU Benchmark , which can reveal the information like below.


    a) Tool should have graphics sub-module wise tests? Like Vertex processor intensive test? Pixel processor intensive test? to capture GPU standalone performance…

    • Answered
    • over 4 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali Graphics Debugger - do we need to specify OpenGL ES version?

    Francesco R
    Francesco R

    Dear ARM Mali Graphics community,

    I am a newbie to OpenGL ES & android programming and I am currently trying to figure out why an application is not rendering (at all) on an android 4.4 tablet with MALI 400 MP GPU, even though is reported to work fine…

    • 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
  • Problems getting SurfaceTexture work with Android Videoplayer on MALI 400

    Marco Lopes
    Marco Lopes
    Note: This was originally posted on 5th April 2013 at http://forums.arm.com

    Hi,

    I've written an application which is rendering video into a texture basically using the code found as attachment.

    This example works perferctly fine on a mobile device and…
    • over 7 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
  • Draw a bimap in opengles with Mali-400 mp2

    david
    david

    Hi everyone:

        I'm new to Mali Graphic.Recently,I want to draw a bitmap in opengles with sc7731g efficiently.I learn that sc7731g consists of Mali-400 mp2.I was wondering if mp2 means the Mali400 mp2 has two fragment processor.I find that Mali400 and…

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