+ struct glx_context *gc = __glXGetCurrentContext();
+ struct drisw_context *pcp = (struct drisw_context *) gc;
+ __GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
+ struct drisw_drawable *pdraw = (struct drisw_drawable *) base;
+ struct drisw_screen *psc;
+
+ __glXInitialize(dpy);
+
+ if (pdraw != NULL) {
+ psc = (struct drisw_screen *) base->psc;
+
+ if (!psc->texBuffer)
+ return;
+
+ if (psc->texBuffer->base.version >= 2 &&
+ psc->texBuffer->setTexBuffer2 != NULL) {
+ (*psc->texBuffer->setTexBuffer2) (pcp->driContext,
+ pdraw->base.textureTarget,
+ pdraw->base.textureFormat,
+ pdraw->driDrawable);
+ }
+ else {
+ (*psc->texBuffer->setTexBuffer) (pcp->driContext,
+ pdraw->base.textureTarget,
+ pdraw->driDrawable);
+ }
+ }
+}
+
+static void
+drisw_release_tex_image(Display * dpy, GLXDrawable drawable, int buffer)
+{
+#if __DRI_TEX_BUFFER_VERSION >= 3
+ struct glx_context *gc = __glXGetCurrentContext();
+ struct dri2_context *pcp = (struct dri2_context *) gc;
+ __GLXDRIdrawable *base = GetGLXDRIDrawable(dpy, drawable);
+ struct glx_display *dpyPriv = __glXInitialize(dpy);
+ struct dri2_drawable *pdraw = (struct dri2_drawable *) base;
+ struct dri2_screen *psc;
+
+ if (pdraw != NULL) {
+ psc = (struct dri2_screen *) base->psc;
+
+ if (!psc->texBuffer)
+ return;
+
+ if (psc->texBuffer->base.version >= 3 &&
+ psc->texBuffer->releaseTexBuffer != NULL) {
+ (*psc->texBuffer->releaseTexBuffer) (pcp->driContext,
+ pdraw->base.textureTarget,
+ pdraw->driDrawable);
+ }
+ }
+#endif
+}
+
+static const struct glx_context_vtable drisw_context_vtable = {
+ drisw_destroy_context,
+ drisw_bind_context,
+ drisw_unbind_context,
+ NULL,
+ NULL,
+ DRI_glXUseXFont,
+ drisw_bind_tex_image,
+ drisw_release_tex_image,
+ NULL, /* get_proc_address */
+};
+
+static struct glx_context *
+drisw_create_context(struct glx_screen *base,
+ struct glx_config *config_base,
+ struct glx_context *shareList, int renderType)
+{
+ struct drisw_context *pcp, *pcp_shared;
+ __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
+ struct drisw_screen *psc = (struct drisw_screen *) base;
+ __DRIcontext *shared = NULL;
+
+ if (!psc->base.driScreen)
+ return NULL;
+
+ if (shareList) {
+ /* If the shareList context is not a DRISW context, we cannot possibly
+ * create a DRISW context that shares it.
+ */
+ if (shareList->vtable->destroy != drisw_destroy_context) {
+ return NULL;
+ }
+
+ pcp_shared = (struct drisw_context *) shareList;
+ shared = pcp_shared->driContext;
+ }
+
+ pcp = Xmalloc(sizeof *pcp);
+ if (pcp == NULL)
+ return NULL;
+
+ memset(pcp, 0, sizeof *pcp);
+ if (!glx_context_init(&pcp->base, &psc->base, &config->base)) {
+ Xfree(pcp);
+ return NULL;
+ }
+
+ pcp->driContext =
+ (*psc->core->createNewContext) (psc->driScreen,
+ config->driConfig, shared, pcp);
+ if (pcp->driContext == NULL) {
+ Xfree(pcp);
+ return NULL;
+ }
+
+ pcp->base.vtable = &drisw_context_vtable;
+
+ return &pcp->base;
+}
+
+static struct glx_context *
+drisw_create_context_attribs(struct glx_screen *base,
+ struct glx_config *config_base,
+ struct glx_context *shareList,
+ unsigned num_attribs,
+ const uint32_t *attribs,
+ unsigned *error)
+{
+ struct drisw_context *pcp, *pcp_shared;
+ __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) config_base;
+ struct drisw_screen *psc = (struct drisw_screen *) base;