EGLBoolean EGLAPIENTRY DestroyContext(EGLDisplay dpy, EGLContext ctx)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p, EGLContext ctx = 0x%0.8p)", dpy, ctx);

    Display *display = static_cast<Display*>(dpy);
    gl::Context *context = static_cast<gl::Context*>(ctx);

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

    if (ctx == EGL_NO_CONTEXT)
    {
        SetGlobalError(Error(EGL_BAD_CONTEXT));
        return EGL_FALSE;
    }

    if (context == GetGlobalContext())
    {
        SetGlobalDisplay(NULL);
        SetGlobalContext(NULL);
    }

    display->destroyContext(context);

    SetGlobalError(Error(EGL_SUCCESS));
    return EGL_TRUE;
}
EGLBoolean EGLAPIENTRY Terminate(EGLDisplay dpy)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p)", dpy);

    Display *display = static_cast<Display *>(dpy);
    if (dpy == EGL_NO_DISPLAY || !Display::isValidDisplay(display))
    {
        SetGlobalError(Error(EGL_BAD_DISPLAY));
        return EGL_FALSE;
    }

    gl::Context *context = GetGlobalContext();

    if (display->isValidContext(context))
    {
        SetGlobalContext(NULL);
        SetGlobalDisplay(NULL);
    }

    display->terminate();

    SetGlobalError(Error(EGL_SUCCESS));
    return EGL_TRUE;
}
EGLBoolean EGLAPIENTRY MakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface draw = 0x%0.8p, EGLSurface read = 0x%0.8p, EGLContext ctx = 0x%0.8p)",
          dpy, draw, read, ctx);

    Display *display = static_cast<Display*>(dpy);
    gl::Context *context = static_cast<gl::Context*>(ctx);

    // If ctx is EGL_NO_CONTEXT and either draw or read are not EGL_NO_SURFACE, an EGL_BAD_MATCH
    // error is generated.
    if (ctx == EGL_NO_CONTEXT && (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE))
    {
        SetGlobalError(Error(EGL_BAD_MATCH));
        return EGL_FALSE;
    }

    if (ctx != EGL_NO_CONTEXT && draw == EGL_NO_SURFACE && read == EGL_NO_SURFACE)
    {
        SetGlobalError(Error(EGL_BAD_MATCH));
        return EGL_FALSE;
    }

    // If either of draw or read is a valid surface and the other is EGL_NO_SURFACE, an
    // EGL_BAD_MATCH error is generated.
    if ((read == EGL_NO_SURFACE) != (draw == EGL_NO_SURFACE))
    {
        SetGlobalError(Error(
            EGL_BAD_MATCH, "read and draw must both be valid surfaces, or both be EGL_NO_SURFACE"));
        return EGL_FALSE;
    }

    if (dpy == EGL_NO_DISPLAY || !Display::isValidDisplay(display))
    {
        SetGlobalError(Error(EGL_BAD_DISPLAY, "'dpy' not a valid EGLDisplay handle"));
        return EGL_FALSE;
    }

    // EGL 1.5 spec: dpy can be uninitialized if all other parameters are null
    if (!display->isInitialized() && (ctx != EGL_NO_CONTEXT || draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE))
    {
        SetGlobalError(Error(EGL_NOT_INITIALIZED, "'dpy' not initialized"));
        return EGL_FALSE;
    }

    if (ctx != EGL_NO_CONTEXT)
    {
        Error error = ValidateContext(display, context);
        if (error.isError())
        {
            SetGlobalError(error);
            return EGL_FALSE;
        }
    }

    if (display->isInitialized())
    {
        if (display->testDeviceLost())
        {
            display->notifyDeviceLost();
            return EGL_FALSE;
        }

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

    Surface *drawSurface = static_cast<Surface*>(draw);
    if (draw != EGL_NO_SURFACE)
    {
        Error error = ValidateSurface(display, drawSurface);
        if (error.isError())
        {
            SetGlobalError(error);
            return EGL_FALSE;
        }
    }

    Surface *readSurface = static_cast<Surface*>(read);
    if (read != EGL_NO_SURFACE)
    {
        Error error = ValidateSurface(display, readSurface);
        if (error.isError())
        {
            SetGlobalError(error);
            return EGL_FALSE;
        }
    }

    if (readSurface)
    {
        Error readCompatError = ValidateCompatibleConfigs(readSurface->getConfig(), context->getConfig(), readSurface->getType());
        if (readCompatError.isError())
        {
            SetGlobalError(readCompatError);
            return EGL_FALSE;
        }
    }

    if (draw != read)
    {
        UNIMPLEMENTED();   // FIXME

        if (drawSurface)
        {
            Error drawCompatError = ValidateCompatibleConfigs(drawSurface->getConfig(), context->getConfig(), drawSurface->getType());
            if (drawCompatError.isError())
            {
                SetGlobalError(drawCompatError);
                return EGL_FALSE;
            }
        }
    }

    Error makeCurrentError = display->makeCurrent(drawSurface, readSurface, context);
    if (makeCurrentError.isError())
    {
        SetGlobalError(makeCurrentError);
        return EGL_FALSE;
    }

    gl::Context *previousContext = GetGlobalContext();

    SetGlobalDisplay(display);
    SetGlobalDrawSurface(drawSurface);
    SetGlobalReadSurface(readSurface);
    SetGlobalContext(context);

    // Release the surface from the previously-current context, to allow
    // destroyed surfaces to delete themselves.
    if (previousContext != nullptr && context != previousContext)
    {
        previousContext->releaseSurface();
    }

    SetGlobalError(Error(EGL_SUCCESS));
    return EGL_TRUE;
}
Ejemplo n.º 4
0
EGLBoolean EGLAPIENTRY MakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface draw = 0x%0.8p, EGLSurface read = 0x%0.8p, EGLContext ctx = 0x%0.8p)",
          dpy, draw, read, ctx);

    Display *display = static_cast<Display*>(dpy);
    gl::Context *context = static_cast<gl::Context*>(ctx);

    bool noContext = (ctx == EGL_NO_CONTEXT);
    bool noSurface = (draw == EGL_NO_SURFACE || read == EGL_NO_SURFACE);
    if (noContext != noSurface)
    {
        SetGlobalError(Error(EGL_BAD_MATCH));
        return EGL_FALSE;
    }

    if (ctx != EGL_NO_CONTEXT)
    {
        Error error = ValidateContext(display, context);
        if (error.isError())
        {
            SetGlobalError(error);
            return EGL_FALSE;
        }
    }

    if (dpy != EGL_NO_DISPLAY && display->isInitialized())
    {
        if (display->testDeviceLost())
        {
            display->notifyDeviceLost();
            return EGL_FALSE;
        }

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

    Surface *drawSurface = static_cast<Surface*>(draw);
    if (draw != EGL_NO_SURFACE)
    {
        Error error = ValidateSurface(display, drawSurface);
        if (error.isError())
        {
            SetGlobalError(error);
            return EGL_FALSE;
        }
    }

    Surface *readSurface = static_cast<Surface*>(read);
    if (read != EGL_NO_SURFACE)
    {
        Error error = ValidateSurface(display, readSurface);
        if (error.isError())
        {
            SetGlobalError(error);
            return EGL_FALSE;
        }
    }

    if (draw != read)
    {
        UNIMPLEMENTED();   // FIXME
    }

    SetGlobalDisplay(display);
    SetGlobalDrawSurface(drawSurface);
    SetGlobalReadSurface(readSurface);
    SetGlobalContext(context);

    if (context != nullptr && display != nullptr && drawSurface != nullptr)
    {
        display->makeCurrent(drawSurface, readSurface, context);
    }

    SetGlobalError(Error(EGL_SUCCESS));
    return EGL_TRUE;
}
Ejemplo n.º 5
0
EGLBoolean EGLAPIENTRY MakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
{
    EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface draw = 0x%0.8p, EGLSurface read = 0x%0.8p, EGLContext ctx = 0x%0.8p)",
          dpy, draw, read, ctx);

    Display *display = static_cast<Display*>(dpy);
    gl::Context *context = static_cast<gl::Context*>(ctx);

    bool noContext = (ctx == EGL_NO_CONTEXT);
    bool noSurface = (draw == EGL_NO_SURFACE || read == EGL_NO_SURFACE);
    if (noContext != noSurface)
    {
        SetGlobalError(Error(EGL_BAD_MATCH));
        return EGL_FALSE;
    }

    if (dpy == EGL_NO_DISPLAY)
    {
        SetGlobalError(Error(EGL_BAD_DISPLAY, "'dpy' not a valid EGLDisplay handle"));
        return EGL_FALSE;
    }

    // EGL 1.5 spec: dpy can be uninitialized if all other parameters are null
    if (dpy != EGL_NO_DISPLAY && !display->isInitialized() &&
        (ctx != EGL_NO_CONTEXT || draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE))
    {
        SetGlobalError(Error(EGL_NOT_INITIALIZED, "'dpy' not initialized"));
        return EGL_FALSE;
    }

    if (ctx != EGL_NO_CONTEXT)
    {
        Error error = ValidateContext(display, context);
        if (error.isError())
        {
            SetGlobalError(error);
            return EGL_FALSE;
        }
    }

    if (dpy != EGL_NO_DISPLAY && display->isInitialized())
    {
        if (display->testDeviceLost())
        {
            display->notifyDeviceLost();
            return EGL_FALSE;
        }

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

    Surface *drawSurface = static_cast<Surface*>(draw);
    if (draw != EGL_NO_SURFACE)
    {
        Error error = ValidateSurface(display, drawSurface);
        if (error.isError())
        {
            SetGlobalError(error);
            return EGL_FALSE;
        }
    }

    Surface *readSurface = static_cast<Surface*>(read);
    if (read != EGL_NO_SURFACE)
    {
        Error error = ValidateSurface(display, readSurface);
        if (error.isError())
        {
            SetGlobalError(error);
            return EGL_FALSE;
        }
    }

    if (draw != read)
    {
        UNIMPLEMENTED();   // FIXME
    }

    gl::Context *previousContext = GetGlobalContext();

    SetGlobalDisplay(display);
    SetGlobalDrawSurface(drawSurface);
    SetGlobalReadSurface(readSurface);
    SetGlobalContext(context);

    display->makeCurrent(drawSurface, readSurface, context);

    // Release the surface from the previously-current context, to allow
    // destroyed surfaces to delete themselves.
    if (previousContext != nullptr && context != previousContext)
    {
        previousContext->releaseSurface();
    }

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