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GPU_Async: Correct fences, display events and more.

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This commit uses guest fences on vSync event instead of an articial fake 
fence we had.
It also corrects to keep signaling display events while loading the game 
as the OS is suppose to send buffers to vSync during that time.
This commit is contained in:
Fernando Sahmkow 2019-09-25 19:43:23 -04:00 • committed by FernandoS27
parent 4e9f975935
commit 5b5e60ffec
6 changed files with 38 additions and 21 deletions
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13
src/video_core/gpu.cpp
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@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/microprofile.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/memory.h"
@ -17,6 +18,8 @@
namespace Tegra {
MICROPROFILE_DEFINE(GPU_wait, "GPU", "Wait for the GPU", MP_RGB(128, 128, 192));
GPU::GPU(Core::System& system, VideoCore::RendererBase& renderer, bool is_async)
: system{system}, renderer{renderer}, is_async{is_async} {
auto& rasterizer{renderer.Rasterizer()};
@ -63,6 +66,16 @@ const DmaPusher& GPU::DmaPusher() const {
return *dma_pusher;
}
void GPU::WaitFence(u32 syncpoint_id, u32 value) const {
// Synced GPU, is always in sync
if (!is_async) {
return;
}
MICROPROFILE_SCOPE(GPU_wait);
while (syncpoints[syncpoint_id].load() < value) {
}
}
void GPU::IncrementSyncPoint(const u32 syncpoint_id) {
syncpoints[syncpoint_id]++;
std::lock_guard lock{sync_mutex};