/**
* Flush the drawing command transport buffer.
*
* \param ctx Context whose transport buffer is to be flushed.
* \param pc Pointer to first unused buffer location.
*
* \todo
* Modify this function to use \c ctx->pc instead of the explicit
* \c pc parameter.
*/
_X_HIDDEN GLubyte *
__glXFlushRenderBuffer(struct glx_context * ctx, GLubyte * pc)
{
Display *const dpy = ctx->currentDpy;
#ifdef USE_XCB
xcb_connection_t *c = XGetXCBConnection(dpy);
#else
xGLXRenderReq *req;
#endif /* USE_XCB */
const GLint size = pc - ctx->buf;
if ((dpy != NULL) && (size > 0)) {
#ifdef USE_XCB
xcb_glx_render(c, ctx->currentContextTag, size,
(const uint8_t *) ctx->buf);
#else
/* Send the entire buffer as an X request */
LockDisplay(dpy);
GetReq(GLXRender, req);
req->reqType = ctx->majorOpcode;
req->glxCode = X_GLXRender;
req->contextTag = ctx->currentContextTag;
req->length += (size + 3) >> 2;
_XSend(dpy, (char *) ctx->buf, size);
UnlockDisplay(dpy);
SyncHandle();
#endif
}
/**
* Flush the drawing command transport buffer.
*
* \param ctx Context whose transport buffer is to be flushed.
* \param pc Pointer to first unused buffer location.
*
* \todo
* Modify this function to use \c ctx->pc instead of the explicit
* \c pc parameter.
*/
_X_HIDDEN GLubyte *
__glXFlushRenderBuffer(struct glx_context * ctx, GLubyte * pc)
{
Display *const dpy = ctx->currentDpy;
xcb_connection_t *c = XGetXCBConnection(dpy);
const GLint size = pc - ctx->buf;
if ((dpy != NULL) && (size > 0)) {
xcb_glx_render(c, ctx->currentContextTag, size,
(const uint8_t *) ctx->buf);
}
/* Reset pointer and return it */
ctx->pc = ctx->buf;
return ctx->pc;
}
