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- added r_debug_draw that shows how the software renderer composes its scene

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This commit is contained in:
Magnus Norddahl 2018-05-08 22:22:15 +02:00
commit 459f748c4e
3 changed files with 41 additions and 3 deletions
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34
src/swrenderer/drawers/r_thread.cpp
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@ -40,6 +40,7 @@ void PeekThreadedErrorPane();
#endif
CVAR(Bool, r_multithreaded, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
CVAR(Int, r_debug_draw, 0, 0);
/////////////////////////////////////////////////////////////////////////////
@ -76,6 +77,23 @@ void DrawerThreads::Execute(DrawerCommandQueuePtr commands)
queue->start_condition.notify_all();
}
void DrawerThreads::ResetDebugDrawPos()
{
auto queue = Instance();
std::unique_lock<std::mutex> start_lock(queue->start_mutex);
bool reached_end = false;
for (auto &thread : queue->threads)
{
if (thread.debug_draw_pos + r_debug_draw * 60 * 2 < queue->debug_draw_end)
reached_end = true;
thread.debug_draw_pos = 0;
}
if (!reached_end)
queue->debug_draw_end += r_debug_draw;
else
queue->debug_draw_end = 0;
}
void DrawerThreads::WaitForWorkers()
{
using namespace std::chrono_literals;
@ -124,9 +142,21 @@ void DrawerThreads::WorkerMain(DrawerThread *thread)
start_lock.unlock();
// Do the work:
for (auto& command : list->commands)
if (r_debug_draw)
{
command->Execute(thread);
for (auto& command : list->commands)
{
thread->debug_draw_pos++;
if (thread->debug_draw_pos < debug_draw_end)
command->Execute(thread);
}
}
else
{
for (auto& command : list->commands)
{
command->Execute(thread);
}
}
// Notify main thread that we finished: