• Optimal Screen size for Mali 450

    What is the screen size after you most suited to MALI 450 mp ?
    Of course it can support 1080p . But I think that the processor will be more comfortable with a 720p right ? refresh screen  can be more improved in 1080p ?

  • arm based utility program to adjust brightness?

    Running a Mali-450 based droid 4.4.2 version on a media dongle using xbmc but video is too dark compared to displaying same source on same tv via different device.

    I found the xbmcand kitkat brightness / contract has no impact on the video output.

    Is…

  • Problem in running mali cube in Mali open GL ES emulator 1.4.1

    Hi,

    I downloaded the Mali open GL ES emulator 1.4.1 from the mali developer tools website and even installed visual c++ redistributable packages for visual studio 2013 for windows 7 64-bit on my pc.

    Still, when i run the "mali cube" application, a window…

  • mali r5p0-06rel0 odroidxu3

    Hi All,

    I would like to know how to integrate mali r5p0-06rel0 for OdroidXU3 board.

    I have user TX011-SW-99002-r5p1-00rel1 along with chromebook-platform patch.

    Has some body make it working on latest kernel.

    -Anand Moon

  • Segmentation fault (SIGSEGV) on eglCreateWindowSurface on Firefly RK3288 running Android 4.4.2

    Hi!

    I'm trying to run opengl-gl2_basic.cpp, a native C++ Android OpenGL ES 2 test. Source here: https://android.googlesource.com/platform/frameworks/native/+/android-4.4.2_r1/opengl/tests/gl2_basic/

    My platform is the Firefly RK3288 running Android…

  • Is it possible to short-circuit a submitted draw based on time

    This is an interesting question: Is it possible to query a timestamp and in doing so, determine if vertex/fragment shaders should return prematurely, thus rushing to the end of the drawcall if a particular time has elapsed? Put another way, can we use…

  • Failed to create 4096x4096 texture on Mali-400. The app crashes.

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

  • FIR Filter on Mali 400

    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…

  • glTexImage2D memory leak

    Hello Everyone! I have a question about function glTexImage2D.

    There is some code that cause GL memory leak on the devices with mali gpu (t760) and force close android application.

      ....

        struct Vertex

        {

            …

  • Problems with alpha mask using ETC1 textures

    Hello,

    I'm having a problem when creating textures with the Mali texture compression tool. I'm following this Mali tutorial to create a separate alpha mask that handles the alpha channel from an ETC1 texture using Method 2 as described. I managed…

  • Why eglGetDisplay(EGL_DEFAULT_DISPLAY) returns EGL_NO_DISPLAY (Mali EGL & fbdev SDK drivers)

    Im trying to build a framework using OpenGL|ES 3.0 and EGL 1.5 with an ARM Mali T-600 series chip. The ARM Mali EGL/GLES sdk states that the system supports gles 3.0 and over though their fbdev driver (x11 doesnt work apparently).

    However, despite everything…

  • OpenCL/OpenGL ES interop on Android

    Hi,

    I'm having trouble creating an OpenCL context from an OpenGL ES context on an Odroid XU3 running Android 4.4.4. The following code works fine on other non-ARM graphics hardware, but on the Mali chip the call to clCreateContextFromType fails with the…

  • Latest MALI GLES 1.1 emulator (x86/x64)

    Hi !

    I’m building an emulator for Android’s OpenGL API, it is, implementing the package android.opengl.* for Win/Linux, on Java, bridging it with JNI.

    Motivation is to have nice environment to test Android engines, using pure Java, outside handheld…

  • God Ray effect (light scattering) with Mali GPU

    Note: This was originally posted on 10th May 2012 at http://forums.arm.com

    Hello everyone,

    I'm implementing the God Ray effect for an Android game on Mali-400 based devices (here is Samsung I9100 and Samsung I9300).
    I've followed this article http…
  • Why when you press download Mali OpenGL ES 3.0 SDK for Android downloaded Mali Graphics Debugger?

    Hi everyone

       Who can explain why when I try to download Mali OpenGL ES android sdk 3.0

    33.png34.png

      I suggest to download Mali Graphics Debugger v2.1

    35.png

      Can someone help me and tell me where to download Mali OpenGl Es android sdk 3.0? Thank you all…

  • Issue with half float vertex attribute/varying with OpenGL ES on Mali-T628

    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…

  • Shader language version in ARM GLES3.1 Emulator ver 2.2?

    Please confirm shader language version used in ARM GLES 3.1 emulator version 2.2? User guide attached with emulator(Mali OpenGL ES Emulator 2.2 User Guide.pdf, Page 19) suggests that it support 3.1

    ===========================================

    Shading Language…

  • Generate errors when I compile the mali-400 kernel drivers .

    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

    -------------------------------…

  • Issue with half float vertex attribute/varying with OpenGL ES on Mali-T628 (private)

    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…
  • Symbols for mali 2.2.1

    Greetings,

    I'm currently researching performance issues with Mali 2.2.1 under Windows 7. I've found out that the application spends an unnaturally long time inside the Mali library but to do deeper research I would need a pbd debug symbol file for the…

  • Making Mali Graphics Debugger work with opencl on Odroid Xu3

    Hey!

    I'm trying to debug an opencl application on my Odroid Xu3 (With the Mali-T628 MP6), and when i try to use MGD, it completely crashes after the first opencl call giving me this error that the passthroughglesapi could not locate the handler function…

  • How to open sample codes from OpenGL ES 3.0 Text Guide

    Does anyone know how to open the samples from the text guide, Chapter 16 for W7?

    I have already downloaded the emulator, cmake and Visual Studio.

    The instructions are somewhat confusing for me on page 448.

    trying to get started with the 'Hello Triangle'…

  • GL_OES_EGL_image_external with GLES 3.0

    Hi,

    I have checked on the device, which has "GL_OES_EGL_image_external" extension. But when I run the fragment shader, I got following compilation error.

    I/Debug(15234): OpenGL vendor: ARM

    I/Debug(15234): OpenGL renderer: Mali-T624

    I/Debug(15234…

  • GL_OES_EGL_image_external with GLSL 3.0 shader and GLES 3.0 context?

    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…

  • DP500 + Software Rendering Question

    Dear Experts,

    We are trying to solve an issue where we see at Android startup, each frame takes a long time to display i.e. frame rate is slow. With a debug enabled mali driver, we see that rendering is taking a long time compared to display - we can make…