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-rw-r--r--src/core/hle/service/nvflinger/buffer_queue_producer.cpp4
-rw-r--r--src/core/hle/service/nvflinger/graphic_buffer_producer.cpp2
-rw-r--r--src/core/hle/service/nvflinger/graphic_buffer_producer.h4
-rw-r--r--src/core/hle/service/nvflinger/parcel.h87
-rw-r--r--src/core/hle/service/vi/vi.cpp4
5 files changed, 53 insertions, 48 deletions
diff --git a/src/core/hle/service/nvflinger/buffer_queue_producer.cpp b/src/core/hle/service/nvflinger/buffer_queue_producer.cpp
index e601b5da1..abed92d06 100644
--- a/src/core/hle/service/nvflinger/buffer_queue_producer.cpp
+++ b/src/core/hle/service/nvflinger/buffer_queue_producer.cpp
@@ -815,8 +815,8 @@ Status BufferQueueProducer::SetPreallocatedBuffer(s32 slot,
void BufferQueueProducer::Transact(Kernel::HLERequestContext& ctx, TransactionId code, u32 flags) {
Status status{Status::NoError};
- Parcel parcel_in{ctx.ReadBuffer()};
- Parcel parcel_out{};
+ InputParcel parcel_in{ctx.ReadBufferSpan()};
+ OutputParcel parcel_out{};
switch (code) {
case TransactionId::Connect: {
diff --git a/src/core/hle/service/nvflinger/graphic_buffer_producer.cpp b/src/core/hle/service/nvflinger/graphic_buffer_producer.cpp
index 4043c91f1..769e8c0a3 100644
--- a/src/core/hle/service/nvflinger/graphic_buffer_producer.cpp
+++ b/src/core/hle/service/nvflinger/graphic_buffer_producer.cpp
@@ -9,7 +9,7 @@
namespace Service::android {
-QueueBufferInput::QueueBufferInput(Parcel& parcel) {
+QueueBufferInput::QueueBufferInput(InputParcel& parcel) {
parcel.ReadFlattened(*this);
}
diff --git a/src/core/hle/service/nvflinger/graphic_buffer_producer.h b/src/core/hle/service/nvflinger/graphic_buffer_producer.h
index 6ea327bbe..2969f0fd5 100644
--- a/src/core/hle/service/nvflinger/graphic_buffer_producer.h
+++ b/src/core/hle/service/nvflinger/graphic_buffer_producer.h
@@ -14,11 +14,11 @@
namespace Service::android {
-class Parcel;
+class InputParcel;
#pragma pack(push, 1)
struct QueueBufferInput final {
- explicit QueueBufferInput(Parcel& parcel);
+ explicit QueueBufferInput(InputParcel& parcel);
void Deflate(s64* timestamp_, bool* is_auto_timestamp_, Common::Rectangle<s32>* crop_,
NativeWindowScalingMode* scaling_mode_, NativeWindowTransform* transform_,
diff --git a/src/core/hle/service/nvflinger/parcel.h b/src/core/hle/service/nvflinger/parcel.h
index f3fa2587d..d1b6201e0 100644
--- a/src/core/hle/service/nvflinger/parcel.h
+++ b/src/core/hle/service/nvflinger/parcel.h
@@ -4,6 +4,7 @@
#pragma once
#include <memory>
+#include <span>
#include <vector>
#include "common/alignment.h"
@@ -12,18 +13,17 @@
namespace Service::android {
-class Parcel final {
-public:
- static constexpr std::size_t DefaultBufferSize = 0x40;
-
- Parcel() : buffer(DefaultBufferSize) {}
-
- template <typename T>
- explicit Parcel(const T& out_data) : buffer(DefaultBufferSize) {
- Write(out_data);
- }
+struct ParcelHeader {
+ u32 data_size;
+ u32 data_offset;
+ u32 objects_size;
+ u32 objects_offset;
+};
+static_assert(sizeof(ParcelHeader) == 16, "ParcelHeader has wrong size");
- explicit Parcel(std::vector<u8> in_data) : buffer(std::move(in_data)) {
+class InputParcel final {
+public:
+ explicit InputParcel(std::span<const u8> in_data) : read_buffer(std::move(in_data)) {
DeserializeHeader();
[[maybe_unused]] const std::u16string token = ReadInterfaceToken();
}
@@ -31,9 +31,9 @@ public:
template <typename T>
void Read(T& val) {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable.");
- ASSERT(read_index + sizeof(T) <= buffer.size());
+ ASSERT(read_index + sizeof(T) <= read_buffer.size());
- std::memcpy(&val, buffer.data() + read_index, sizeof(T));
+ std::memcpy(&val, read_buffer.data() + read_index, sizeof(T));
read_index += sizeof(T);
read_index = Common::AlignUp(read_index, 4);
}
@@ -62,10 +62,10 @@ public:
template <typename T>
T ReadUnaligned() {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable.");
- ASSERT(read_index + sizeof(T) <= buffer.size());
+ ASSERT(read_index + sizeof(T) <= read_buffer.size());
T val;
- std::memcpy(&val, buffer.data() + read_index, sizeof(T));
+ std::memcpy(&val, read_buffer.data() + read_index, sizeof(T));
read_index += sizeof(T);
return val;
}
@@ -101,6 +101,31 @@ public:
return token;
}
+ void DeserializeHeader() {
+ ASSERT(read_buffer.size() > sizeof(ParcelHeader));
+
+ ParcelHeader header{};
+ std::memcpy(&header, read_buffer.data(), sizeof(ParcelHeader));
+
+ read_index = header.data_offset;
+ }
+
+private:
+ std::span<const u8> read_buffer;
+ std::size_t read_index = 0;
+};
+
+class OutputParcel final {
+public:
+ static constexpr std::size_t DefaultBufferSize = 0x40;
+
+ OutputParcel() : buffer(DefaultBufferSize) {}
+
+ template <typename T>
+ explicit OutputParcel(const T& out_data) : buffer(DefaultBufferSize) {
+ Write(out_data);
+ }
+
template <typename T>
void Write(const T& val) {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable.");
@@ -133,40 +158,20 @@ public:
WriteObject(ptr.get());
}
- void DeserializeHeader() {
- ASSERT(buffer.size() > sizeof(Header));
-
- Header header{};
- std::memcpy(&header, buffer.data(), sizeof(Header));
-
- read_index = header.data_offset;
- }
-
std::vector<u8> Serialize() const {
- ASSERT(read_index == 0);
-
- Header header{};
- header.data_size = static_cast<u32>(write_index - sizeof(Header));
- header.data_offset = sizeof(Header);
+ ParcelHeader header{};
+ header.data_size = static_cast<u32>(write_index - sizeof(ParcelHeader));
+ header.data_offset = sizeof(ParcelHeader);
header.objects_size = 4;
- header.objects_offset = static_cast<u32>(sizeof(Header) + header.data_size);
- std::memcpy(buffer.data(), &header, sizeof(Header));
+ header.objects_offset = static_cast<u32>(sizeof(ParcelHeader) + header.data_size);
+ std::memcpy(buffer.data(), &header, sizeof(ParcelHeader));
return buffer;
}
private:
- struct Header {
- u32 data_size;
- u32 data_offset;
- u32 objects_size;
- u32 objects_offset;
- };
- static_assert(sizeof(Header) == 16, "ParcelHeader has wrong size");
-
mutable std::vector<u8> buffer;
- std::size_t read_index = 0;
- std::size_t write_index = sizeof(Header);
+ std::size_t write_index = sizeof(ParcelHeader);
};
} // namespace Service::android
diff --git a/src/core/hle/service/vi/vi.cpp b/src/core/hle/service/vi/vi.cpp
index bb283e74e..2fb631183 100644
--- a/src/core/hle/service/vi/vi.cpp
+++ b/src/core/hle/service/vi/vi.cpp
@@ -603,7 +603,7 @@ private:
return;
}
- const auto parcel = android::Parcel{NativeWindow{*buffer_queue_id}};
+ const auto parcel = android::OutputParcel{NativeWindow{*buffer_queue_id}};
const auto buffer_size = ctx.WriteBuffer(parcel.Serialize());
IPC::ResponseBuilder rb{ctx, 4};
@@ -649,7 +649,7 @@ private:
return;
}
- const auto parcel = android::Parcel{NativeWindow{*buffer_queue_id}};
+ const auto parcel = android::OutputParcel{NativeWindow{*buffer_queue_id}};
const auto buffer_size = ctx.WriteBuffer(parcel.Serialize());
IPC::ResponseBuilder rb{ctx, 6};
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 08:53:35 +0000