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Vi: Properly write the BufferProducerFence object in the DequeueBuffer response parcel.

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This commit is contained in:
Subv 2018-02-13 22:12:46 -05:00
parent db873a232c
commit 8dee5663b3
2 changed files with 28 additions and 18 deletions
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7
src/core/hle/service/nvdrv/nvdrv.h
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@ -17,6 +17,13 @@ namespace Devices {
class nvdevice;
}
struct IoctlFence {
u32 id;
u32 value;
};
static_assert(sizeof(IoctlFence) == 8, "IoctlFence has wrong size");
class Module final {
public:
Module();

39
src/core/hle/service/vi/vi.cpp
View File

@ -8,6 +8,7 @@
#include "common/scope_exit.h"
#include "core/core_timing.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/service/nvdrv/nvdrv.h"
#include "core/hle/service/nvflinger/buffer_queue.h"
#include "core/hle/service/vi/vi.h"
#include "core/hle/service/vi/vi_m.h"
@ -86,6 +87,15 @@ public:
write_index = Common::AlignUp(write_index, 4);
}
template <typename T>
void WriteObject(const T& val) {
u32_le size = static_cast<u32>(sizeof(val));
Write(size);
// TODO(Subv): Support file descriptors.
Write<u32_le>(0); // Fd count.
Write(val);
}
void Deserialize() {
Header header{};
std::memcpy(&header, buffer.data(), sizeof(Header));
@ -262,10 +272,11 @@ public:
Data data;
};
// TODO(bunnei): Remove this. When set to 1, games will think a fence is valid and boot further.
// This will break libnx and potentially other apps that more stringently check this. This is here
// purely as a convenience, and should go away once we implement fences.
static constexpr u32 FENCE_HACK = 0;
struct BufferProducerFence {
u32 is_valid;
std::array<Nvidia::IoctlFence, 4> fences;
};
static_assert(sizeof(BufferProducerFence) == 36, "BufferProducerFence has wrong size");
class IGBPDequeueBufferResponseParcel : public Parcel {
public:
@ -274,20 +285,12 @@ public:
protected:
void SerializeData() override {
// TODO(bunnei): Find out what this all means. Writing anything non-zero here breaks libnx.
Write<u32>(0);
Write<u32>(FENCE_HACK);
Write<u32>(0);
Write<u32>(0);
Write<u32>(0);
Write<u32>(0);
Write<u32>(0);
Write<u32>(0);
Write<u32>(0);
Write<u32>(0);
Write<u32>(0);
Write<u32>(0);
Write<u32>(0);
// TODO(Subv): Find out how this Fence is used.
BufferProducerFence fence = {};
Write(slot);
WriteObject(fence);
Write<u32_le>(0);
}
u32_le slot;