Function glDrawBuffers

server/faker-gl.cpp:237–281

void glDrawBuffers(GLsizei n, const GLenum *bufs)
{
	if(faker::getOGLExcludeCurrent() || faker::getEGLXContextCurrent())
	{
		_glDrawBuffers(n, bufs);  return;
	}

	TRY();

	/////////////////////////////////////////////////////////////////////////////
	OPENTRACE(glDrawBuffers);  PRARGI(n);
	if(n && bufs)
	{
		for(GLsizei i = 0; i < n; i++) PRARGX(bufs[i]);
	}
	STARTTRACE();
	/////////////////////////////////////////////////////////////////////////////

	faker::VirtualWin *vw = NULL;
	int before = -1, after = -1, rbefore = -1, rafter = -1;
	GLXDrawable drawable = backend::getCurrentDrawable();

	if(drawable && (vw = WINHASH.find(NULL, drawable)) != NULL)
	{
		before = DrawingToFront();
		rbefore = DrawingToRight();
		backend::drawBuffers(n, bufs);
		after = DrawingToFront();
		rafter = DrawingToRight();
		if(before && !after) vw->dirty = true;
		if(rbefore && !rafter && vw->isStereo()) vw->rdirty = true;
	}
	else backend::drawBuffers(n, bufs);

	/////////////////////////////////////////////////////////////////////////////
	STOPTRACE();
	if(drawable && vw)
	{
		PRARGI(vw->dirty);  PRARGI(vw->rdirty);  PRARGX(vw->getGLXDrawable());
	}
	CLOSETRACE();
	/////////////////////////////////////////////////////////////////////////////

	CATCH();
}

void glDrawBuffersARB(GLsizei n, const GLenum *bufs)
{