Method SetCurrentChannel

KBotExt/imgui/imgui_draw.cpp:1785–1807

}

void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx)
{
	IM_ASSERT(idx >= 0 && idx < _Count);
	if (_Current == idx)
		return;

	// Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap()
	memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer));
	memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer));
	_Current = idx;
	memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer));
	memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer));
	draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size;

	// If current command is used with different settings we need to add a new command
	ImDrawCmd* curr_cmd = (draw_list->CmdBuffer.Size == 0) ? NULL : &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1];
	if (curr_cmd == NULL)
		draw_list->AddDrawCmd();
	else if (curr_cmd->ElemCount == 0)
		ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset
	else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0)
		draw_list->AddDrawCmd();
}

//-----------------------------------------------------------------------------
// [SECTION] ImDrawData