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authorFernando Sahmkow <fsahmkow27@gmail.com>2019-04-16 05:01:35 +0200
committerFernando Sahmkow <fsahmkow27@gmail.com>2019-04-16 05:01:35 +0200
commit367704aa829a515188d87860ffd230b1b2a136c8 (patch)
tree86258d0c357bc05516a459b31553bb334b0eead3 /src/video_core/memory_manager.cpp
parentMerge pull request #2378 from lioncash/ro (diff)
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Diffstat (limited to 'src/video_core/memory_manager.cpp')
-rw-r--r--src/video_core/memory_manager.cpp32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 0f4e820aa..3b9f6caf0 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -226,6 +226,22 @@ void MemoryManager::ReadBlock(GPUVAddr src_addr, void* dest_buffer, std::size_t
}
}
+void MemoryManager::ReadBlockUnsafe(GPUVAddr src_addr, void* dest_buffer, std::size_t size) const {
+ std::size_t remaining_size{size};
+ std::size_t page_index{src_addr >> page_bits};
+ std::size_t page_offset{src_addr & page_mask};
+
+ while (remaining_size > 0) {
+ const std::size_t copy_amount{
+ std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
+ std::memcpy(dest_buffer, src_ptr, copy_amount);
+ page_index++;
+ page_offset = 0;
+ dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
+ remaining_size -= copy_amount;
+ }
+}
+
void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::size_t size) {
std::size_t remaining_size{size};
std::size_t page_index{dest_addr >> page_bits};
@@ -253,6 +269,22 @@ void MemoryManager::WriteBlock(GPUVAddr dest_addr, const void* src_buffer, std::
}
}
+void MemoryManager::WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer, std::size_t size) {
+ std::size_t remaining_size{size};
+ std::size_t page_index{dest_addr >> page_bits};
+ std::size_t page_offset{dest_addr & page_mask};
+
+ while (remaining_size > 0) {
+ const std::size_t copy_amount{
+ std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
+ std::memcpy(dest_ptr, src_buffer, copy_amount);
+ page_index++;
+ page_offset = 0;
+ src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
+ remaining_size -= copy_amount;
+ }
+}
+
void MemoryManager::CopyBlock(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size) {
std::size_t remaining_size{size};
std::size_t page_index{src_addr >> page_bits};