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perf: sync only GPU-dirty readbacks

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This commit is contained in:
nmzik
2026-08-03 22:13:41 +02:00
parent e8752aca7e
commit 51d0e02543
13 changed files with 373 additions and 390 deletions
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src/graphics/host_gpu/renderer/cache/gpuResourceManager.cpp
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+8 -57
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@@ -1,7 +1,6 @@
#include "graphics/host_gpu/renderer/cache/gpuResourceManager.h"
#include "common/assert.h"
#include "graphics/guest_gpu/command_processor/commandProcessor.h"
#include "graphics/guest_gpu/graphicsRun.h"
#include "graphics/host_gpu/renderer/commandScheduler.h"
namespace Libs::Graphics {
@@ -18,69 +17,21 @@ bool GpuResourceManager::HandleFault(PageFaultAccess access, uint64_t fault_vadd
if (!IsMapped(fault_vaddr, fault_size)) {
return false;
}
if (CommandScheduler::InDeferredOperation()) {
EXIT("unsupported guest-memory fault from an asynchronous GPU completion, "
"addr=0x%016" PRIx64 " access=%u\n",
fault_vaddr, static_cast<uint32_t>(access));
if (access == PageFaultAccess::Write) {
m_buffer_cache.InvalidateMemory(fault_vaddr, fault_size);
m_texture_cache.InvalidateMemory(fault_vaddr, fault_size);
} else {
m_buffer_cache.ReadMemory(fault_vaddr, fault_size);
}
bool handled = false;
const auto resolve = [this, access, fault_vaddr, &handled](CommandProcessor& cp) {
cp.BeginReadbackTransaction();
{
ResourceMutex::FaultScope fault(m_resource_mutex);
if (access == PageFaultAccess::Write) {
m_buffer_cache.InvalidateMemory(fault_vaddr, fault_size);
m_texture_cache.InvalidateMemory(fault_vaddr, fault_size);
} else {
m_buffer_cache.ReadMemory(fault_vaddr, fault_size);
}
handled = true;
}
cp.EndReadbackTransaction();
};
if (auto* cp = Gpu::CurrentCommandProcessor(); cp != nullptr) {
resolve(*cp);
return handled;
}
if (m_resource_mutex.IsOwnedByCurrentThread()) {
EXIT("unsupported page fault from a pre-owned resource transaction, addr=0x%016" PRIx64
" access=%u\n",
fault_vaddr, static_cast<uint32_t>(access));
}
EXIT_IF(m_gpu == nullptr);
m_gpu->SendCommandSyncWithProcessor(resolve);
return handled;
return true;
}
bool GpuResourceManager::InvalidateMemory(uint64_t vaddr, uint64_t size) {
if (!IsMapped(vaddr, size)) {
return false;
}
if (CommandScheduler::InDeferredOperation()) {
EXIT("unsupported memory invalidation from an asynchronous GPU completion, "
"addr=0x%016" PRIx64 " size=0x%016" PRIx64 "\n",
vaddr, size);
}
const auto resolve = [this, vaddr, size](CommandProcessor& cp) {
cp.BeginReadbackTransaction();
{
ResourceMutex::FaultScope fault(m_resource_mutex);
m_buffer_cache.InvalidateMemory(vaddr, size);
m_texture_cache.InvalidateMemory(vaddr, size);
}
cp.EndReadbackTransaction();
};
if (auto* cp = Gpu::CurrentCommandProcessor(); cp != nullptr) {
resolve(*cp);
return true;
}
if (m_resource_mutex.IsOwnedByCurrentThread()) {
EXIT("unsupported memory invalidation from a pre-owned resource transaction, "
"addr=0x%016" PRIx64 " size=0x%016" PRIx64 "\n",
vaddr, size);
}
EXIT_IF(m_gpu == nullptr);
m_gpu->SendCommandSyncWithProcessor(resolve);
m_buffer_cache.InvalidateMemory(vaddr, size);
m_texture_cache.InvalidateMemory(vaddr, size);
return true;
}