• The mathmatic computing result in Shader is not right for Mali 400mp

    Autman
    Autman

    I'm using Mali 400mp for doing some mathmetic computing.But the result is not satisfying.

    In my program, I put a float array A by using gluniforlfv() into the shader,and put a Image Texture B by using glTexImage2D() into the shader,use the values in…

    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Does the DVFS of mali400mp make sense?

    SunnyBeike
    SunnyBeike

    Hi


    Does the DVFS of mali400mp make sense?

    My platform is ODROID, which equipped with the mali400mp GPU.

    I tried to find out how the GPU affect the power consumption of the platform.

    The CPU frequency and bus frequency were all fixed.

    The mali400mp GPU…

    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Recommeded community board with Mali rendering to framebuffer ?

    David Hill
    David Hill

    I am a member of the JavaFX Embedded team, which I will loosely define as JavaFX using (hopefully) GPU accelerated rendering direct to framebuffer on a Linux distro.

    We currently have rendering using 3 different GPU families, but unfortunately Mali is…

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Compiling Mali 400 r4p0-00rel1 driver on linux (archlinux arm). How?

    Mark
    Mark

    Hi,

    I'm sure this is a very easy question for most of you to asnwer. I sadly seem to be having quite a bt of difficulties to get the driver to compile.

    I have compiled the ump.ko kernel module. For that to work i had to uncomment these lines:

    ifeq …

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • offline compiler and emulator in shader development studio

    xin
    xin

    i add the "/home/apuser/Mali_Offline_Compiler_v4.1.0/Mali-400/malisc" in compiler of shader development studio in preferences,but the follow warning happens:

    Description                                                                        …

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • gpu on mk908 rockchip3188 ...

    Shant
    Shant

    Hello dear community members,

    I've got mk908 which has gor ARM rockchip 3188 with android, so I flashed it and with oleg0's kernel 3.0.36+ (you can find who is he and his kernel) and I tried to us my rootfs which is Linux gentoo based root and everything…

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • OpenCL - Cant retrieve devices

    Pablo Ramon Soria
    Pablo Ramon Soria

    I started recently with OpenCL and ARM (Particularly I'm using an Odroid U3, which has a Cortex A-9 and a Mali-400). First thing I did is an example project with some test cases. The first case get information about the retrieved "devices" with the…

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • How to use fbdev_pixmap structure passed to eglCreatePixmapSurface create Surface

    yueliu
    yueliu

    Hi,
    I now use the fbdev window system, I assign a fbdev_pixmap structure configured corresponding content, pass it to eglCreatePixmapSurface function, but get to the error information 0x0000300A
    Such as:
    Error: eglCreatePixmapSurface failed Error: 0x…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Issue on webgl on a chromium port with Mali 400 GPU.

    Genevet
    Genevet

    Hi,

    I am working on a linux (directfb/fbdev) port of chromium on a set top box platform which has a  Mali-400 GPU.

    I have an issue with an HTML application creating a webgl context in RGB (without alpha).

    After analysis, we can see that chromium creates…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • MALI 4xx on Rockchip?

    Stephane Jacoby
    Stephane Jacoby

    Hello ARM Mali devs,

    We recently released an app that was pretty meticulously tested against different variants of Mali chips. However, post release we have received a wide variety of issue reports on MALi 400/450, mostly paired with Rockchip CPUs (Memopad…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • mali-400 mp r3p2 driver failed when captureScreen under android 4.4

    guanhb
    guanhb

    We used mali-400 mp r3p2 driver. When captureScreen under android 4.4,  eglClientWaitSyncKHR() always report timeout.

    Actually we capture android screen successfully, and the image can be opened, and exactly what android showing.

    We enable all debug…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali 400 MP2 Power Consumption

    lajash
    lajash

    Hi guys,

    Is there any documentation on the power consumption of the Mali 400 MP2 during different ops. How does this compare with the Mali 470 ?

    Just curious.

    Regards,

    Rajesh. 

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali 400 Utgard GLES/EGL extensions

    lajash
    lajash

    Hi guys,

    I was wondering if the EGL/GL extension list remains the same between the r5p0 and r7p0 releases. I can't seem to find any documentation besides this link ( which says it's for the r5p0 release).

    https://www.google.co.in/url?sa=t&rct…

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • MALI-400 Low performance on 1080p60fps

    kurocygnus
    kurocygnus

    Hi.
    I have a RK3229 board wich comes with a Mali GPU. I'm using Android 6.0.1 on the board and trying to build my own firmware. I don't know if it's driver's fault or bad configuration but it's not as fast as it should be. Can't even run a 1080p video…

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Floating point precision of Fragment Shader in Mali-400 MP2

    Rakesh Roy
    Rakesh Roy

    Hi,

    I am aware that "mediump" in fragment shader of Mali-400 MP2 is FP16.
    Is it bit exact with IEEE 754 half precision format https://en.wikipedia.org/wiki/Half-precision_floating-point_format or it uses different FP16 format?

    Please confirm.

    Regards…

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali 450 precision issue: how to detect odd and even columns

    roxlu
    roxlu

    Hi,

    I'm working on an algorithm where I need to detect if the current `gl_FragCoord` is an even or odd row/column. A typical implementation would look something like `if (mod(gl_FragCoord.x, 2.0) < 1.0) { ... } else { ... }`.  After running into…

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali Graphics Debugger - GL Vendor,Renderer,Version all Unknown

    Graedus
    Graedus

    Hi.

    Just installed the Mali Graphics Debugger and I'm trying to use it with an Orange Pi One (Mali400-MP2) running Armbian but the daemon can't recognize the driver

    Followed the instructions and installed mgddaemon. When I run it got the messages…

    • over 3 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Can ARM NN run on ARM Mali 400 MP2

    fatimak
    fatimak

    I wanted to find out if the ARM NN supports the ARM Mali 400 MP2 .

    Regards

    Fatima

    • Answered
    • over 1 year ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Cross-Compile ArmNN on x86_64 for arm64

    fatimak
    fatimak

    Hi ,

    I am looking for someway of using the armNN SDK on a Xilinx Zynq Platform which has Quad-core ARM® CortexTM-A53 MPCoreTM up to 1.5GHz and an ARM MALI 400 MP2 GPU. With ARM Mali GPU noted off in a previous question my next task is to look into if…

    • Answered
    • over 1 year ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • eglCreatePixmapSurface for Mali-400 under linux

    Акоб
    Акоб

    Hello everybody.

    I am working on Mali-400 under linux. I want to create pixmap surface, but it always return EGL_BAD_MATCH error.

    Here attribut list wich i use for eglChooseConfig

    EGLint EGLRuntime::configAttributes[] =
        {
            /* DO NOT MODIFY. …
    • 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
  • Does Mali T760 support UMP?

    Ming-Hung Liu
    Ming-Hung Liu

    I know Mali400 and Mali 6xx support UMP. to accelerate performance.

    Does Mali T760 support UMP?

    If answer is "yes", I will try to develop with my Firefly board.

    Thanks for replying.

    • 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
  • 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
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