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use host memory instead of buffer cache when possible

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This commit is contained in:
Samuliak 2024-11-03 11:53:16 +01:00
parent ed48fbfd55
commit ab41de4f9f
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5 changed files with 138 additions and 24 deletions
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21
src/Cafe/HW/Latte/Renderer/Metal/MetalMemoryManager.cpp
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@ -1,6 +1,7 @@
#include "Cafe/HW/Latte/Renderer/Metal/MetalCommon.h"
#include "Cafe/HW/Latte/Renderer/Metal/MetalMemoryManager.h"
#include "Cafe/HW/Latte/Renderer/Metal/MetalVoidVertexPipeline.h"
#include "Cemu/Logging/CemuLogging.h"
#include "Common/precompiled.h"
/*
@ -115,7 +116,23 @@ void MetalMemoryManager::InitBufferCache(size_t size)
{
cemu_assert_debug(!m_bufferCache);
m_bufferCache = m_mtlr->GetDevice()->newBuffer(size, MTL::ResourceStorageModePrivate);
// First, try to import the host memory as a buffer
// TODO: only import if the option is ticked in game profile
if (m_mtlr->IsAppleGPU())
{
m_importedMemBaseAddress = 0x10000000;
size_t hostAllocationSize = 0x40000000ull;
// TODO: get size of allocation
m_bufferCache = m_mtlr->GetDevice()->newBuffer(memory_getPointerFromVirtualOffset(m_importedMemBaseAddress), hostAllocationSize, MTL::ResourceStorageModeShared, nullptr);
if (m_bufferCache)
m_useHostMemoryForCache = true;
else
cemuLog_logDebug(LogType::Force, "Failed to import host memory as a buffer");
}
if (!m_useHostMemoryForCache)
m_bufferCache = m_mtlr->GetDevice()->newBuffer(size, MTL::ResourceStorageModePrivate);
#ifdef CEMU_DEBUG_ASSERT
m_bufferCache->setLabel(GetLabel("Buffer cache", m_bufferCache));
#endif
@ -123,6 +140,7 @@ void MetalMemoryManager::InitBufferCache(size_t size)
void MetalMemoryManager::UploadToBufferCache(const void* data, size_t offset, size_t size)
{
cemu_assert_debug(!m_useHostMemoryForCache);
cemu_assert_debug(m_bufferCache);
cemu_assert_debug((offset + size) <= m_bufferCache->length());
@ -147,6 +165,7 @@ void MetalMemoryManager::UploadToBufferCache(const void* data, size_t offset, si
void MetalMemoryManager::CopyBufferCache(size_t srcOffset, size_t dstOffset, size_t size)
{
cemu_assert_debug(!m_useHostMemoryForCache);
cemu_assert_debug(m_bufferCache);
m_mtlr->CopyBufferToBuffer(m_bufferCache, srcOffset, m_bufferCache, dstOffset, size, ALL_MTL_RENDER_STAGES, ALL_MTL_RENDER_STAGES);