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hle_ipc: Use thread_local ReadBuffer

This commit is contained in:
ameerj 2022-12-28 18:24:57 -05:00
parent a1490d77ac
commit b0722591c9
1 changed files with 14 additions and 4 deletions
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18
src/core/hle/kernel/hle_ipc.cpp
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@ -11,6 +11,7 @@
#include "common/common_funcs.h" #include "common/common_funcs.h"
#include "common/common_types.h" #include "common/common_types.h"
#include "common/logging/log.h" #include "common/logging/log.h"
#include "common/scratch_buffer.h"
#include "core/hle/ipc_helpers.h" #include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/hle_ipc.h" #include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_auto_object.h" #include "core/hle/kernel/k_auto_object.h"
@ -346,20 +347,29 @@ std::vector<u8> HLERequestContext::ReadBufferCopy(std::size_t buffer_index) cons
} }
std::span<const u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) const { std::span<const u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) const {
static thread_local std::array<Common::ScratchBuffer<u8>, 2> read_buffer_a;
static thread_local std::array<Common::ScratchBuffer<u8>, 2> read_buffer_x;
const bool is_buffer_a{BufferDescriptorA().size() > buffer_index && const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
BufferDescriptorA()[buffer_index].Size()}; BufferDescriptorA()[buffer_index].Size()};
if (is_buffer_a) { if (is_buffer_a) {
ASSERT_OR_EXECUTE_MSG( ASSERT_OR_EXECUTE_MSG(
BufferDescriptorA().size() > buffer_index, { return {}; }, BufferDescriptorA().size() > buffer_index, { return {}; },
"BufferDescriptorA invalid buffer_index {}", buffer_index); "BufferDescriptorA invalid buffer_index {}", buffer_index);
const u8* const mem_ptr = memory.GetPointer(BufferDescriptorA()[buffer_index].Address()); auto& read_buffer = read_buffer_a[buffer_index];
return std::span<const u8>(mem_ptr, BufferDescriptorA()[buffer_index].Size()); read_buffer.resize_destructive(BufferDescriptorA()[buffer_index].Size());
memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), read_buffer.data(),
read_buffer.size());
return read_buffer;
} else { } else {
ASSERT_OR_EXECUTE_MSG( ASSERT_OR_EXECUTE_MSG(
BufferDescriptorX().size() > buffer_index, { return {}; }, BufferDescriptorX().size() > buffer_index, { return {}; },
"BufferDescriptorX invalid buffer_index {}", buffer_index); "BufferDescriptorX invalid buffer_index {}", buffer_index);
const u8* const mem_ptr = memory.GetPointer(BufferDescriptorX()[buffer_index].Address()); auto& read_buffer = read_buffer_x[buffer_index];
return std::span<const u8>(mem_ptr, BufferDescriptorX()[buffer_index].Size()); read_buffer.resize_destructive(BufferDescriptorX()[buffer_index].Size());
memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), read_buffer.data(),
read_buffer.size());
return read_buffer;
} }
} }