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Apply GPU readback hack to both buffers and textures

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And rename as appropriate.
This commit is contained in:
Billy Laws
2022-11-18 20:48:39 +00:00
parent f358c4517e
commit 281838fde1
9 changed files with 45 additions and 13 deletions
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17
app/src/main/cpp/skyline/gpu/buffer.cpp
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@ -5,6 +5,7 @@
#include <kernel/memory.h>
#include <kernel/types/KProcess.h>
#include <common/trace.h>
#include <common/settings.h>
#include "buffer.h"
namespace skyline::gpu {
@ -38,8 +39,14 @@ namespace skyline::gpu {
// If this mutex would cause other callbacks to be blocked then we should block on this mutex in advance
std::shared_ptr<FenceCycle> waitCycle{};
do {
if (waitCycle)
if (waitCycle) {
i64 startNs{buffer->accumulatedGuestWaitCounter > FastReadbackHackWaitCountThreshold ? util::GetTimeNs() : 0};
waitCycle->Wait();
if (startNs)
buffer->accumulatedGuestWaitTime += std::chrono::nanoseconds(util::GetTimeNs() - startNs);
buffer->accumulatedGuestWaitCounter++;
}
std::scoped_lock lock{*buffer};
if (waitCycle && buffer->cycle == waitCycle) {
@ -89,6 +96,14 @@ namespace skyline::gpu {
return true;
}
if (buffer->accumulatedGuestWaitTime > FastReadbackHackWaitTimeThreshold && *buffer->gpu.state.settings->enableFastGpuReadbackHack) {
// As opposed to skipping readback as we do for textures, with buffers we can still perform the readback but just without syncinc the GPU
// While the read data may be invalid it's still better than nothing and works in most cases
memcpy(buffer->mirror.data(), buffer->backing.data(), buffer->mirror.size());
buffer->dirtyState = DirtyState::Clean;
return true;
}
std::unique_lock lock{*buffer, std::try_to_lock};
if (!lock)
return false;