queston for imagination opengles1.1 extend pack

This topic contains 42 replies, has 3 voices, and was last updated by  tandhi 9 years ago.

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  • #29602

    gordongao
    Member

    Does Imagination’ chip  for opengles1.1 suport   opengles1.1 extend API such as glGenFramebufferOES()  glGenRenderbuffferOES()  glBindFramebufferOES() …

    #32328

    Xmas
    Member

    Some platforms with POWERVR MBX do support OES_framebuffer_object, but most don’t. Are you targeting a specific platform?

    Regards,

    Georg

    #32329

    gordongao
    Member

    yes ,I am trying to modify  opensource qte to get hardware support , but i needs OES_framebuffer_object, can you give me some advices on platform supporting this object,??

    and can I realize it with other opengles1.1 api ?And Thanks a lot
    #32330

    Xmas
    Member

    You may be able to use EGL pbuffers for the same purpose, but that depends on what exactly you want to do.

    Regards,

    Georg

    #32331

    tandhi
    Member

    I have used the EGL pbuffers for the same support, but I cann’t get the nativewindow for the framebuffer. When I use the eglCreateWindowSurface(), I find the DummyScreen structure for nativeWindowType of the function. But how can I use the structure, or how can i get the native window for the eglCreateWindowSurface(),.

    Can you give me some advices ? thanks a lot

    #32332

    Xmas
    Member

    What NativeWindowType is, and how to create a native window, is platform specific so I need to know the platform you are targeting before I can help you. It is also not clear to me how this relates to FBO/pbuffer.

    #32333

    tandhi
    Member

    thanks firstly!

    My platform is qte+opengles1.1. 

    I want to create a EGLsurface (framebuffer) with the function

                           EGLSurface eglCreateWindowSurface(EGLDisplay display, EGLConfig config,

                                                    NativeWindowType native_window,  EGLint const * attrib_list).

    I want to run the apps in the framebuffer, what can i Specifies for the native_window.

     

    thanks a lot!
    #32334

    Xmas
    Member

    What device or range of devices and what OS is it? What type is NativeWindowType defined as, and where is that type defined?

    #32335

    tandhi
    Member

    The os is linux on the PC.  and the NativeWindowType is define in the egltypes.h , and the type of NativeWindowType is void *.       it is defined as “typedef void *NativeWindowType”.

    sorry to trubble you.
    #32336

    Xmas
    Member
    tandhi wrote:
    The os is linux on the PC.

    Does this mean you are using our Linux PC Emulation SDK? If so, the NativeWindowType should be an X11 Window.

    #32337

    tandhi
    Member

    Yes!!

    If my app’s window will be shown in the FrameBuffer,  it also should be an x11 window.
    #32338

    tandhi
    Member

    I use the qt-embedded–  + opengles1.1 ,  not qt-x11-  + opengl .

    #32339

    Xmas
    Member
    tandhi wrote:
    If my app’s window will be shown in the FrameBuffer, it also should be an x11 window.

    Sorry, I don’t understand that sentence. What are you trying to achieve?

    tandhi wrote:
    I use the qt-embedded–  + opengles1.1 ,  not qt-x11-  + opengl .

    If you are using our OpenGL ES PC emulation on Linux, then NativeWindowType is an X11 Window. If you are targeting a non-x86 device or if you use another OpenGL ES implementation then please state exactly what they are.

    #32340

    tandhi
    Member

    Thanks a lot.

     

    I used the OpenGL ES PC emulation on Linux of you. is there any question I will trouble you again. Thanks again.
    #32341

    tandhi
    Member

    I use your OpenGL ES PC emulation on Linux, and the NativeWindowType is setted a X11 Window. I want to know if I do this, can I get the Hardware Acceleration?

     

    Also if i use your OpenGL ES PC emulation on WinCE, can I get the Hardware Acceleration?

    if can !  the native windows is??

     

    thanks a lot !
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