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-rw-r--r--src/video_core/memory_manager.cpp23
-rw-r--r--src/video_core/memory_manager.h6
2 files changed, 27 insertions, 2 deletions
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 65feff588..f99fa828e 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -4,6 +4,7 @@
#include "common/alignment.h"
#include "common/assert.h"
+#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/process.h"
@@ -38,6 +39,12 @@ GPUVAddr MemoryManager::UpdateRange(GPUVAddr gpu_addr, PageEntry page_entry, std
}
GPUVAddr MemoryManager::Map(VAddr cpu_addr, GPUVAddr gpu_addr, std::size_t size) {
+ const auto it = std::ranges::lower_bound(map_ranges, gpu_addr, {}, &MapRange::first);
+ if (it != map_ranges.end() && it->first == gpu_addr) {
+ it->second = size;
+ } else {
+ map_ranges.insert(it, MapRange{gpu_addr, size});
+ }
return UpdateRange(gpu_addr, cpu_addr, size);
}
@@ -52,10 +59,16 @@ GPUVAddr MemoryManager::MapAllocate32(VAddr cpu_addr, std::size_t size) {
}
void MemoryManager::Unmap(GPUVAddr gpu_addr, std::size_t size) {
- if (!size) {
+ if (size == 0) {
return;
}
-
+ const auto it = std::ranges::lower_bound(map_ranges, gpu_addr, {}, &MapRange::first);
+ if (it != map_ranges.end()) {
+ ASSERT(it->first == gpu_addr);
+ map_ranges.erase(it);
+ } else {
+ UNREACHABLE_MSG("Unmapping non-existent GPU address=0x{:x}", gpu_addr);
+ }
// Flush and invalidate through the GPU interface, to be asynchronous if possible.
const std::optional<VAddr> cpu_addr = GpuToCpuAddress(gpu_addr);
ASSERT(cpu_addr);
@@ -218,6 +231,12 @@ const u8* MemoryManager::GetPointer(GPUVAddr gpu_addr) const {
return system.Memory().GetPointer(*address);
}
+size_t MemoryManager::BytesToMapEnd(GPUVAddr gpu_addr) const noexcept {
+ auto it = std::ranges::upper_bound(map_ranges, gpu_addr, {}, &MapRange::first);
+ --it;
+ return it->second - (gpu_addr - it->first);
+}
+
void MemoryManager::ReadBlock(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size) const {
std::size_t remaining_size{size};
std::size_t page_index{gpu_src_addr >> page_bits};
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index c35e57689..ca8e8328e 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -85,6 +85,9 @@ public:
[[nodiscard]] u8* GetPointer(GPUVAddr addr);
[[nodiscard]] const u8* GetPointer(GPUVAddr addr) const;
+ /// Returns the number of bytes until the end of the memory map containing the given GPU address
+ [[nodiscard]] size_t BytesToMapEnd(GPUVAddr gpu_addr) const noexcept;
+
/**
* ReadBlock and WriteBlock are full read and write operations over virtual
* GPU Memory. It's important to use these when GPU memory may not be continuous
@@ -150,6 +153,9 @@ private:
VideoCore::RasterizerInterface* rasterizer = nullptr;
std::vector<PageEntry> page_table;
+
+ using MapRange = std::pair<GPUVAddr, size_t>;
+ std::vector<MapRange> map_ranges;
};
} // namespace Tegra