// EGL_EXT_device_query
EGLBoolean EGLAPIENTRY QueryDisplayAttribEXT(EGLDisplay dpy, EGLint attribute, EGLAttrib *value)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint attribute = %d, EGLAttrib *value = 0x%0.8p)",
          dpy, attribute, value);

    Display *display = static_cast<Display*>(dpy);
    Error error(EGL_SUCCESS);

    if (!display->getExtensions().deviceQuery)
    {
        SetGlobalError(Error(EGL_BAD_ACCESS));
        return EGL_FALSE;
    }

    // validate the attribute parameter
    switch (attribute)
    {
      case EGL_DEVICE_EXT:
        *value = reinterpret_cast<EGLAttrib>(display->getDevice());
        break;

      default:
        SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
        return EGL_FALSE;
    }

    SetGlobalError(error);
    return (error.isError() ? EGL_FALSE : EGL_TRUE);
}
// EGL_ANGLE_query_surface_pointer
EGLBoolean EGLAPIENTRY QuerySurfacePointerANGLE(EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint attribute = %d, void **value = 0x%0.8p)",
          dpy, surface, attribute, value);

    Display *display = static_cast<Display*>(dpy);
    Surface *eglSurface = static_cast<Surface*>(surface);

    Error error = ValidateSurface(display, eglSurface);
    if (error.isError())
    {
        SetGlobalError(error);
        return EGL_FALSE;
    }

    if (!display->getExtensions().querySurfacePointer)
    {
        SetGlobalError(Error(EGL_SUCCESS));
        return EGL_FALSE;
    }

    if (surface == EGL_NO_SURFACE)
    {
        SetGlobalError(Error(EGL_BAD_SURFACE));
        return EGL_FALSE;
    }

    // validate the attribute parameter
    switch (attribute)
    {
      case EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE:
        if (!display->getExtensions().surfaceD3DTexture2DShareHandle)
        {
            SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
            return EGL_FALSE;
        }
        break;

      default:
        SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
        return EGL_FALSE;
    }

    error = eglSurface->querySurfacePointerANGLE(attribute, value);
    SetGlobalError(error);
    return (error.isError() ? EGL_FALSE : EGL_TRUE);
}
// EGL_NV_post_sub_buffer
EGLBoolean EGLAPIENTRY PostSubBufferNV(EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint x = %d, EGLint y = %d, EGLint width = %d, EGLint height = %d)", dpy, surface, x, y, width, height);

    if (x < 0 || y < 0 || width < 0 || height < 0)
    {
        SetGlobalError(Error(EGL_BAD_PARAMETER));
        return EGL_FALSE;
    }

    Display *display = static_cast<Display*>(dpy);
    Surface *eglSurface = static_cast<Surface*>(surface);

    Error error = ValidateSurface(display, eglSurface);
    if (error.isError())
    {
        SetGlobalError(error);
        return EGL_FALSE;
    }

    if (display->isDeviceLost())
    {
        SetGlobalError(Error(EGL_CONTEXT_LOST));
        return EGL_FALSE;
    }

    if (surface == EGL_NO_SURFACE)
    {
        SetGlobalError(Error(EGL_BAD_SURFACE));
        return EGL_FALSE;
    }

#if !defined(ANGLE_ENABLE_WINDOWS_STORE) || (defined(ANGLE_ENABLE_WINDOWS_STORE) && WINAPI_FAMILY == WINAPI_FAMILY_PC_APP) // Qt WP: Allow this entry point as a workaround
    if (!display->getExtensions().postSubBuffer)
    {
        // Spec is not clear about how this should be handled.
        SetGlobalError(Error(EGL_SUCCESS));
        return EGL_TRUE;
    }
#endif

    error = eglSurface->postSubBuffer(x, y, width, height);
    if (error.isError())
    {
        SetGlobalError(error);
        return EGL_FALSE;
    }

    SetGlobalError(Error(EGL_SUCCESS));
    return EGL_TRUE;
}
// EGL_NV_post_sub_buffer
EGLBoolean EGLAPIENTRY PostSubBufferNV(EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint x = %d, EGLint y = %d, EGLint width = %d, EGLint height = %d)", dpy, surface, x, y, width, height);

    if (x < 0 || y < 0 || width < 0 || height < 0)
    {
        SetGlobalError(Error(EGL_BAD_PARAMETER));
        return EGL_FALSE;
    }

    Display *display = static_cast<Display*>(dpy);
    Surface *eglSurface = static_cast<Surface*>(surface);

    Error error = ValidateSurface(display, eglSurface);
    if (error.isError())
    {
        SetGlobalError(error);
        return EGL_FALSE;
    }

    if (display->isDeviceLost())
    {
        SetGlobalError(Error(EGL_CONTEXT_LOST));
        return EGL_FALSE;
    }

    if (surface == EGL_NO_SURFACE)
    {
        SetGlobalError(Error(EGL_BAD_SURFACE));
        return EGL_FALSE;
    }

    if (!display->getExtensions().postSubBuffer)
    {
        // Spec is not clear about how this should be handled.
        SetGlobalError(Error(EGL_SUCCESS));
        return EGL_TRUE;
    }

    error = eglSurface->postSubBuffer(x, y, width, height);
    if (error.isError())
    {
        SetGlobalError(error);
        return EGL_FALSE;
    }

    SetGlobalError(Error(EGL_SUCCESS));
    return EGL_TRUE;
}
// EGL_EXT_device_query
EGLBoolean EGLAPIENTRY QueryDeviceAttribEXT(EGLDeviceEXT device, EGLint attribute, EGLAttrib *value)
{
    EVENT("(EGLDeviceEXT device = 0x%0.8p, EGLint attribute = %d, EGLAttrib *value = 0x%0.8p)",
          device, attribute, value);

    Device *dev = static_cast<Device*>(device);
    if (dev == EGL_NO_DEVICE_EXT)
    {
        SetGlobalError(Error(EGL_BAD_ACCESS));
        return EGL_FALSE;
    }

    Display *display = dev->getDisplay();
    Error error(EGL_SUCCESS);

    if (!display->getExtensions().deviceQuery)
    {
        SetGlobalError(Error(EGL_BAD_ACCESS));
        return EGL_FALSE;
    }

    // validate the attribute parameter
    switch (attribute)
    {
      case EGL_D3D11_DEVICE_ANGLE:
        if (!dev->getExtensions().deviceD3D || dev->getType() != EGL_D3D11_DEVICE_ANGLE)
        {
            SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
            return EGL_FALSE;
        }
        error = dev->getDevice(value);
        break;
      case EGL_D3D9_DEVICE_ANGLE:
        if (!dev->getExtensions().deviceD3D || dev->getType() != EGL_D3D9_DEVICE_ANGLE)
        {
            SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
            return EGL_FALSE;
        }
        error = dev->getDevice(value);
        break;
      default:
        SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
        return EGL_FALSE;
    }

    SetGlobalError(error);
    return (error.isError() ? EGL_FALSE : EGL_TRUE);
}
Esempio n. 6
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// EGL_EXT_device_query
EGLBoolean EGLAPIENTRY QueryDeviceAttribEXT(EGLDeviceEXT device, EGLint attribute, EGLAttrib *value)
{
    EVENT("(EGLDeviceEXT device = 0x%0.8p, EGLint attribute = %d, EGLAttrib *value = 0x%0.8p)",
          device, attribute, value);

    Device *dev = static_cast<Device*>(device);
    if (dev == EGL_NO_DEVICE_EXT || !Device::IsValidDevice(dev))
    {
        SetGlobalError(Error(EGL_BAD_ACCESS));
        return EGL_FALSE;
    }

    // If the device was created by (and is owned by) a display, and that display doesn't support
    // device querying, then this call should fail
    Display *owningDisplay = dev->getOwningDisplay();
    if (owningDisplay != nullptr && !owningDisplay->getExtensions().deviceQuery)
    {
        SetGlobalError(Error(EGL_BAD_ACCESS,
                             "Device wasn't created using eglCreateDeviceANGLE, and the Display "
                             "that created it doesn't support device querying"));
        return EGL_FALSE;
    }

    Error error(EGL_SUCCESS);

    // validate the attribute parameter
    switch (attribute)
    {
      case EGL_D3D11_DEVICE_ANGLE:
      case EGL_D3D9_DEVICE_ANGLE:
        if (!dev->getExtensions().deviceD3D || dev->getType() != attribute)
        {
            SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
            return EGL_FALSE;
        }
        error = dev->getDevice(value);
        break;
      default:
        SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
        return EGL_FALSE;
    }

    SetGlobalError(error);
    return (error.isError() ? EGL_FALSE : EGL_TRUE);
}
EGLBoolean EGLAPIENTRY QuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint attribute = %d, EGLint *value = 0x%0.8p)",
          dpy, surface, attribute, value);

    Display *display = static_cast<Display*>(dpy);
    Surface *eglSurface = (Surface*)surface;

    Error error = ValidateSurface(display, eglSurface);
    if (error.isError())
    {
        SetGlobalError(error);
        return EGL_FALSE;
    }

    if (surface == EGL_NO_SURFACE)
    {
        SetGlobalError(Error(EGL_BAD_SURFACE));
        return EGL_FALSE;
    }

    switch (attribute)
    {
      case EGL_VG_ALPHA_FORMAT:
        UNIMPLEMENTED();   // FIXME
        break;
      case EGL_VG_COLORSPACE:
        UNIMPLEMENTED();   // FIXME
        break;
      case EGL_CONFIG_ID:
        *value = eglSurface->getConfig()->configID;
        break;
      case EGL_HEIGHT:
        *value = eglSurface->getHeight();
        break;
      case EGL_HORIZONTAL_RESOLUTION:
        UNIMPLEMENTED();   // FIXME
        break;
      case EGL_LARGEST_PBUFFER:
        UNIMPLEMENTED();   // FIXME
        break;
      case EGL_MIPMAP_TEXTURE:
        UNIMPLEMENTED();   // FIXME
        break;
      case EGL_MIPMAP_LEVEL:
        UNIMPLEMENTED();   // FIXME
        break;
      case EGL_MULTISAMPLE_RESOLVE:
        UNIMPLEMENTED();   // FIXME
        break;
      case EGL_PIXEL_ASPECT_RATIO:
        *value = eglSurface->getPixelAspectRatio();
        break;
      case EGL_RENDER_BUFFER:
        *value = eglSurface->getRenderBuffer();
        break;
      case EGL_SWAP_BEHAVIOR:
        *value = eglSurface->getSwapBehavior();
        break;
      case EGL_TEXTURE_FORMAT:
        *value = eglSurface->getTextureFormat();
        break;
      case EGL_TEXTURE_TARGET:
        *value = eglSurface->getTextureTarget();
        break;
      case EGL_VERTICAL_RESOLUTION:
        UNIMPLEMENTED();   // FIXME
        break;
      case EGL_WIDTH:
        *value = eglSurface->getWidth();
        break;
      case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
        if (!display->getExtensions().postSubBuffer)
        {
            SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
            return EGL_FALSE;
        }
        *value = eglSurface->isPostSubBufferSupported();
        break;
      case EGL_FIXED_SIZE_ANGLE:
        if (!display->getExtensions().windowFixedSize)
        {
            SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
            return EGL_FALSE;
        }
        *value = eglSurface->isFixedSize();
        break;
      default:
        SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
        return EGL_FALSE;
    }

    SetGlobalError(Error(EGL_SUCCESS));
    return EGL_TRUE;
}