Esempi in C++ (Cpp) per VBoxTlsRefInit

Esempio n. 1

File: context.c Progetto: Rootkitsmm/virtualbox-org-svn-vbox-trunk

/**
 * Allocate a new ContextInfo object, initialize it, put it into the
 * context hash table.  If type==CHROMIUM, call the head SPU's
 * CreateContext() function too.
 */
    ContextInfo *
stubNewContext(char *dpyName, GLint visBits, ContextType type, unsigned long shareCtx
#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
        , struct VBOXUHGSMI *pHgsmi
#endif
    )
{
    GLint spuContext = -1, spuShareCtx = 0, spuConnection = 0;
    ContextInfo *context;

    if (shareCtx > 0) {
    /* translate shareCtx to a SPU context ID */
    context = (ContextInfo *)
        crHashtableSearch(stub.contextTable, shareCtx);
        if (context)
            spuShareCtx = context->spuContext;
    }

    if (type == CHROMIUM) {
#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
        if (pHgsmi)
        {
            spuConnection = stub.spu->dispatch_table.VBoxConCreate(pHgsmi);
            if (!spuConnection)
            {
                crWarning("VBoxConCreate failed");
                return NULL;
            }
        }
#endif
        spuContext
            = stub.spu->dispatch_table.VBoxCreateContext(spuConnection, dpyName, visBits, spuShareCtx);
        if (spuContext < 0)
        {
            crWarning("VBoxCreateContext failed");
#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
            if (spuConnection)
                stub.spu->dispatch_table.VBoxConDestroy(spuConnection);
#endif
            return NULL;
        }
    }

    context = crCalloc(sizeof(ContextInfo));
    if (!context) {
        stub.spu->dispatch_table.DestroyContext(spuContext);
#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
        if (spuConnection)
            stub.spu->dispatch_table.VBoxConDestroy(spuConnection);
#endif
        return NULL;
    }

    if (!dpyName)
        dpyName = "";

    context->id = stub.freeContextNumber++;
    context->type = type;
    context->spuContext = spuContext;
    context->visBits = visBits;
    context->currentDrawable = NULL;
    crStrncpy(context->dpyName, dpyName, MAX_DPY_NAME);
    context->dpyName[MAX_DPY_NAME-1] = 0;

#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
    context->spuConnection = spuConnection;
    context->pHgsmi = pHgsmi;
#endif

#ifdef CHROMIUM_THREADSAFE
    VBoxTlsRefInit(context, stubContextDtor);
#endif

#if defined(GLX) || defined(DARWIN)
    context->share = (ContextInfo *)
        crHashtableSearch(stub.contextTable, (unsigned long) shareCtx);
#endif

#ifdef GLX
    context->pGLXPixmapsHash = crAllocHashtable();
    context->damageQueryFailed = GL_FALSE;
    context->damageEventsBase = 0;
#endif

    crHashtableAdd(stub.contextTable, context->id, (void *) context);

    return context;
}

Esempio n. 2

File: state_init.c Progetto: quiquetux/jokte-ba-as

/*
 * Helper for crStateCreateContext, below.
 */
static CRContext *
crStateCreateContextId(int i, const CRLimitsState *limits,
                                             GLint visBits, CRContext *shareCtx)
{
    CRContext *ctx = (CRContext *) crCalloc( sizeof( *ctx ) );
    int j;
    int node32 = i >> 5;
    int node = i & 0x1f;

    ctx->id = i;
#ifdef CHROMIUM_THREADSAFE
    VBoxTlsRefInit(ctx, crStateContextDtor);
#endif
    ctx->flush_func = NULL;
    for (j=0;j<CR_MAX_BITARRAY;j++){
        if (j == node32) {
            ctx->bitid[j] = (1 << node);
        } else {
            ctx->bitid[j] = 0;
        }
        ctx->neg_bitid[j] = ~(ctx->bitid[j]);
    }

    if (shareCtx) {
        CRASSERT(shareCtx->shared);
        ctx->shared = shareCtx->shared;
        ctx->shared->refCount ++;
    }
    else {
        ctx->shared = crStateAllocShared();
        ctx->shared->id = ctx->id;
    }

    /* use Chromium's OpenGL defaults */
    crStateLimitsInit( &(ctx->limits) );
    crStateExtensionsInit( &(ctx->limits), &(ctx->extensions) );

    crStateBufferObjectInit( ctx ); /* must precede client state init! */
    crStateClientInit( &(ctx->client) );

    crStateBufferInit( ctx );
    crStateCurrentInit( ctx );
    crStateEvaluatorInit( ctx );
    crStateFogInit( ctx );
    crStateHintInit( ctx );
    crStateLightingInit( ctx );
    crStateLineInit( ctx );
    crStateListsInit( ctx );
    crStateMultisampleInit( ctx );
    crStateOcclusionInit( ctx );
    crStatePixelInit( ctx );
    crStatePolygonInit( ctx );
    crStatePointInit( ctx );
    crStateProgramInit( ctx );
    crStateRegCombinerInit( ctx );
    crStateStencilInit( ctx );
    crStateTextureInit( ctx );
    crStateTransformInit( ctx );
    crStateViewportInit ( ctx );
    crStateFramebufferObjectInit(ctx);
    crStateGLSLInit(ctx);

    /* This has to come last. */
    crStateAttribInit( &(ctx->attrib) );

    ctx->renderMode = GL_RENDER;

    /* Initialize values that depend on the visual mode */
    if (visBits & CR_DOUBLE_BIT) {
        ctx->limits.doubleBuffer = GL_TRUE;
    }
    if (visBits & CR_RGB_BIT) {
        ctx->limits.redBits = 8;
        ctx->limits.greenBits = 8;
        ctx->limits.blueBits = 8;
        if (visBits & CR_ALPHA_BIT) {
            ctx->limits.alphaBits = 8;
        }
    }
    else {
        ctx->limits.indexBits = 8;
    }
    if (visBits & CR_DEPTH_BIT) {
        ctx->limits.depthBits = 24;
    }
    if (visBits & CR_STENCIL_BIT) {
        ctx->limits.stencilBits = 8;
    }
    if (visBits & CR_ACCUM_BIT) {
        ctx->limits.accumRedBits = 16;
        ctx->limits.accumGreenBits = 16;
        ctx->limits.accumBlueBits = 16;
        if (visBits & CR_ALPHA_BIT) {
            ctx->limits.accumAlphaBits = 16;
        }
    }
    if (visBits & CR_STEREO_BIT) {
        ctx->limits.stereo = GL_TRUE;
    }
    if (visBits & CR_MULTISAMPLE_BIT) {
        ctx->limits.sampleBuffers = 1;
        ctx->limits.samples = 4;
        ctx->multisample.enabled = GL_TRUE;
    }

    if (visBits & CR_OVERLAY_BIT) {
        ctx->limits.level = 1;
    }

    return ctx;
}