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nv_services: Correct buffer queue fencing and GPFifo fencing

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This commit is contained in:
Fernando Sahmkow 2019-06-07 11:34:55 -04:00 • committed by FernandoS27
parent ceb5f5079c
commit 737e978f5b
8 changed files with 70 additions and 57 deletions
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46
src/core/hle/service/vi/vi.cpp
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@ -21,6 +21,7 @@
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/writable_event.h"
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvdrv/nvdrv.h"
#include "core/hle/service/nvflinger/buffer_queue.h"
#include "core/hle/service/nvflinger/nvflinger.h"
@ -328,32 +329,22 @@ public:
Data data;
};
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:
explicit IGBPDequeueBufferResponseParcel(u32 slot) : slot(slot) {}
explicit IGBPDequeueBufferResponseParcel(u32 slot, Service::Nvidia::MultiFence& multi_fence)
: slot(slot), multi_fence(multi_fence) {}
~IGBPDequeueBufferResponseParcel() override = default;
protected:
void SerializeData() override {
// TODO(Subv): Find out how this Fence is used.
BufferProducerFence fence = {};
fence.is_valid = 1;
for (auto& fence_ : fence.fences)
fence_.id = -1;
Write(slot);
Write<u32_le>(1);
WriteObject(fence);
WriteObject(multi_fence);
Write<u32_le>(0);
}
u32_le slot;
Service::Nvidia::MultiFence multi_fence;
};
class IGBPRequestBufferRequestParcel : public Parcel {
@ -400,12 +391,6 @@ public:
data = Read<Data>();
}
struct Fence {
u32_le id;
u32_le value;
};
static_assert(sizeof(Fence) == 8, "Fence has wrong size");
struct Data {
u32_le slot;
INSERT_PADDING_WORDS(3);
@ -420,14 +405,13 @@ public:
u32_le sticky_transform;
INSERT_PADDING_WORDS(1);
u32_le swap_interval;
u32_le fence_is_valid;
std::array<Fence, 2> fences;
Service::Nvidia::MultiFence multi_fence;
Common::Rectangle<int> GetCropRect() const {
return {crop_left, crop_top, crop_right, crop_bottom};
}
};
static_assert(sizeof(Data) == 80, "ParcelData has wrong size");
static_assert(sizeof(Data) == 96, "ParcelData has wrong size");
Data data;
};
@ -548,11 +532,11 @@ private:
IGBPDequeueBufferRequestParcel request{ctx.ReadBuffer()};
const u32 width{request.data.width};
const u32 height{request.data.height};
std::optional<u32> slot = buffer_queue.DequeueBuffer(width, height);
auto result = buffer_queue.DequeueBuffer(width, height);
if (slot) {
if (result) {
// Buffer is available
IGBPDequeueBufferResponseParcel response{*slot};
IGBPDequeueBufferResponseParcel response{(*result).first, *(*result).second};
ctx.WriteBuffer(response.Serialize());
} else {
// Wait the current thread until a buffer becomes available
@ -562,10 +546,11 @@ private:
Kernel::ThreadWakeupReason reason) {
// Repeat TransactParcel DequeueBuffer when a buffer is available
auto& buffer_queue = nv_flinger->FindBufferQueue(id);
std::optional<u32> slot = buffer_queue.DequeueBuffer(width, height);
ASSERT_MSG(slot != std::nullopt, "Could not dequeue buffer.");
auto result = buffer_queue.DequeueBuffer(width, height);
ASSERT_MSG(result != std::nullopt, "Could not dequeue buffer.");
IGBPDequeueBufferResponseParcel response{*slot};
IGBPDequeueBufferResponseParcel response{(*result).first,
*(*result).second};
ctx.WriteBuffer(response.Serialize());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
@ -583,7 +568,8 @@ private:
IGBPQueueBufferRequestParcel request{ctx.ReadBuffer()};
buffer_queue.QueueBuffer(request.data.slot, request.data.transform,
request.data.GetCropRect(), request.data.swap_interval);
request.data.GetCropRect(), request.data.swap_interval,
request.data.multi_fence);
IGBPQueueBufferResponseParcel response{1280, 720};
ctx.WriteBuffer(response.Serialize());