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This commit is contained in:
PavelBARABANOV
2026-09-05 19:36:54 +03:00
parent c115b2cd4c
commit bd16eb1756
2 changed files with 100 additions and 43 deletions
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src/core/hle/service/vi/shared_buffer_manager.cpp
+95 -43
View File
@@ -211,6 +211,10 @@ constexpr u32 GetCaptureSlot(CaptureKind kind) {
static_assert(static_cast<u32>(CaptureKind::CallerApplet) + 1 == SharedBufferNumCaptureSlots,
"Capture slot count does not match CaptureKind");
constexpr u32 GetPresentationSlot(u32 slot_base, u32 index) {
return SharedBufferNumCaptureSlots + slot_base + index;
}
constexpr u32 ColorOpaqueBlackRgba32 = 0xFF000000;
template <typename F>
@@ -246,7 +250,7 @@ void ForEachPoolChunk(Core::System& system, Kernel::KPageGroup& page_group, u64
}
}
void MakeGraphicBuffer(android::BufferQueueProducer& producer, u32 slot, u32 handle) {
void MakeGraphicBuffer(android::BufferQueueProducer& producer, u32 producer_slot, u32 pool_slot, u32 handle) {
auto buffer = std::make_shared<android::NvGraphicBuffer>();
buffer->width = SharedBufferWidth;
buffer->height = SharedBufferHeight;
@@ -254,8 +258,8 @@ void MakeGraphicBuffer(android::BufferQueueProducer& producer, u32 slot, u32 han
buffer->format = SharedBufferBlockLinearFormat;
buffer->external_format = SharedBufferBlockLinearFormat;
buffer->buffer_id = handle;
buffer->offset = slot * SharedBufferSlotSize;
ASSERT(producer.SetPreallocatedBuffer(slot, buffer) == android::Status::NoError);
buffer->offset = pool_slot * SharedBufferSlotSize;
ASSERT(producer.SetPreallocatedBuffer(producer_slot, buffer) == android::Status::NoError);
}
} // namespace
@@ -269,19 +273,20 @@ SharedBufferManager::~SharedBufferManager() = default;
Result SharedBufferManager::CreateSession(Kernel::KProcess* owner_process, u64* out_buffer_id,
u64* out_layer_handle, u64 display_id,
bool enable_blending) {
std::scoped_lock lk{m_guard};
{
std::scoped_lock lk{m_guard};
// Ensure we haven't already created.
const u64 aruid = owner_process->GetProcessId();
R_UNLESS(!m_sessions.contains(aruid), VI::ResultPermissionDenied);
// Ensure we haven't already created.
const u64 aruid = owner_process->GetProcessId();
R_UNLESS(!m_sessions.contains(aruid), VI::ResultPermissionDenied);
// Allocate memory for the shared buffer if needed.
if (!m_buffer_page_group) {
R_TRY(AllocateSharedBufferMemory(std::addressof(m_buffer_page_group), m_system,
SharedBufferSize));
// Allocate memory for the shared buffer if needed.
if (!m_buffer_page_group) {
R_TRY(AllocateSharedBufferMemory(std::addressof(m_buffer_page_group), m_system,
SharedBufferSize));
// Record buffer id.
m_buffer_id = m_next_buffer_id++;
// Record buffer id.
m_buffer_id = m_next_buffer_id++;
// Record display id.
m_display_id = display_id;
@@ -304,32 +309,32 @@ Result SharedBufferManager::CreateSession(Kernel::KProcess* owner_process, u64*
auto [it, was_emplaced] = m_sessions.emplace(aruid, SharedBufferSession{});
auto& session = it->second;
auto& container = m_nvdrv->GetContainer();
session.session_id = container.OpenSession(owner_process);
session.nvmap_fd = m_nvdrv->Open("/dev/nvmap", session.session_id);
auto& container = m_nvdrv->GetContainer();
session.session_id = container.OpenSession(owner_process);
session.nvmap_fd = m_nvdrv->Open("/dev/nvmap", session.session_id);
// Create an nvmap handle for the buffer and assign the memory to it.
R_TRY(AllocateHandleForBuffer(std::addressof(session.buffer_nvmap_handle), *m_nvdrv,
session.nvmap_fd, map_address, SharedBufferSize));
// Create an nvmap handle for the buffer and assign the memory to it.
R_TRY(AllocateHandleForBuffer(std::addressof(session.buffer_nvmap_handle), *m_nvdrv,
session.nvmap_fd, map_address, SharedBufferSize));
// Create and open a layer for the display.
s32 producer_binder_id;
R_TRY(m_container.CreateStrayLayer(std::addressof(producer_binder_id),
std::addressof(session.layer_id), display_id));
// Create and open a layer for the display.
s32 producer_binder_id;
R_TRY(m_container.CreateStrayLayer(std::addressof(producer_binder_id),
std::addressof(session.layer_id), display_id));
// Configure blending and z-index
R_ASSERT(m_container.SetLayerBlending(session.layer_id, enable_blending));
// Configure blending and z-index
R_ASSERT(m_container.SetLayerBlending(session.layer_id, enable_blending));
// Get the producer and set preallocated buffers.
std::shared_ptr<android::BufferQueueProducer> producer;
R_TRY(m_container.GetLayerProducerHandle(std::addressof(producer), session.layer_id));
MakeGraphicBuffer(*producer, 0, session.buffer_nvmap_handle);
MakeGraphicBuffer(*producer, 1, session.buffer_nvmap_handle);
// Assign outputs.
*out_buffer_id = m_buffer_id;
*out_layer_handle = session.layer_id;
// Get the producer and set preallocated buffers.
std::shared_ptr<android::BufferQueueProducer> producer;
R_TRY(m_container.GetLayerProducerHandle(std::addressof(producer), session.layer_id));
for (u32 i = 0; i < SharedBufferSlotsPerSession; i++)
MakeGraphicBuffer(*producer, i, GetPresentationSlot(session.presentation_slot_base, i), session.buffer_nvmap_handle);
// Assign outputs.
*out_buffer_id = m_buffer_id;
*out_layer_handle = session.layer_id;
}
// We succeeded.
R_SUCCEED();
}
@@ -398,14 +403,51 @@ Result SharedBufferManager::AcquireSharedFrameBuffer(android::Fence* out_fence,
SharedBufferBlockLinearFormat, 0) == android::Status::NoError,
VI::ResultOperationFailed);
// Assign remaining outputs.
*out_target_slot = slot;
out_slot_indexes = {0, 1, -1, -1};
out_slot_indexes.fill(-1);
{
std::scoped_lock lk{m_guard};
const auto* const session = this->FindSessionByLayerIdLocked(layer_id);
if (session == nullptr) {
producer->CancelBuffer(slot, *out_fence);
// LOG_DEBUG(Service_VI, "No Session found");
R_THROW(VI::ResultNotFound);
}
for (u32 i = 0; i < SharedBufferSlotsPerSession; i++)
out_slot_indexes[i] =
static_cast<s32>(GetPresentationSlot(session->presentation_slot_base, i));
*out_target_slot = static_cast<s64>(
GetPresentationSlot(session->presentation_slot_base, static_cast<u32>(slot)));
}
// We succeeded.
R_SUCCEED();
}
Result SharedBufferManager::GetProducerSlotLocked(s32* out_producer_slot, u64 layer_id,
s64 pool_slot) const {
const auto* const session = this->FindSessionByLayerIdLocked(layer_id);
R_UNLESS(session != nullptr, VI::ResultNotFound);
const s64 base = GetPresentationSlot(session->presentation_slot_base, 0);
const s64 producer_slot = pool_slot - base;
R_UNLESS(producer_slot >= 0 && producer_slot < SharedBufferSlotsPerSession,
VI::ResultOperationFailed);
*out_producer_slot = static_cast<s32>(producer_slot);
R_SUCCEED();
}
const SharedBufferSession* SharedBufferManager::FindSessionByLayerIdLocked(u64 layer_id) const {
for (const auto& [aruid, session] : m_sessions)
if (session.layer_id == layer_id)
return std::addressof(session);
return nullptr;
}
Result SharedBufferManager::PresentSharedFrameBuffer(android::Fence fence,
Common::Rectangle<s32> crop_region,
u32 transform, s32 swap_interval, u64 layer_id,
@@ -414,14 +456,20 @@ Result SharedBufferManager::PresentSharedFrameBuffer(android::Fence fence,
std::shared_ptr<android::BufferQueueProducer> producer;
R_TRY(m_container.GetLayerProducerHandle(std::addressof(producer), layer_id));
s32 producer_slot;
{
std::scoped_lock lk{m_guard};
R_TRY(this->GetProducerSlotLocked(std::addressof(producer_slot), layer_id, slot));
}
// Request to queue the buffer.
std::shared_ptr<android::GraphicBuffer> buffer;
R_UNLESS(producer->RequestBuffer(static_cast<s32>(slot), std::addressof(buffer)) ==
R_UNLESS(producer->RequestBuffer(producer_slot, std::addressof(buffer)) ==
android::Status::NoError,
VI::ResultOperationFailed);
ON_RESULT_FAILURE {
producer->CancelBuffer(static_cast<s32>(slot), fence);
producer->CancelBuffer(producer_slot, fence);
};
// Queue the buffer to the producer.
@@ -431,12 +479,10 @@ Result SharedBufferManager::PresentSharedFrameBuffer(android::Fence fence,
input.fence = fence;
input.transform = static_cast<android::NativeWindowTransform>(transform);
input.swap_interval = swap_interval;
R_UNLESS(producer->QueueBuffer(static_cast<s32>(slot), input, std::addressof(output)) ==
R_UNLESS(producer->QueueBuffer(producer_slot, input, std::addressof(output)) ==
android::Status::NoError,
VI::ResultOperationFailed);
(void)m_container.SetLayerZIndex(layer_id, 100000);
// We succeeded.
R_SUCCEED();
}
@@ -446,8 +492,14 @@ Result SharedBufferManager::CancelSharedFrameBuffer(u64 layer_id, s64 slot) {
std::shared_ptr<android::BufferQueueProducer> producer;
R_TRY(m_container.GetLayerProducerHandle(std::addressof(producer), layer_id));
s32 producer_slot;
{
std::scoped_lock lk{m_guard};
R_TRY(this->GetProducerSlotLocked(std::addressof(producer_slot), layer_id, slot));
}
// Cancel.
producer->CancelBuffer(static_cast<s32>(slot), android::Fence::NoFence());
producer->CancelBuffer(producer_slot, android::Fence::NoFence());
// We succeeded.
R_SUCCEED();
src/core/hle/service/vi/shared_buffer_manager.h
+5
View File
@@ -78,6 +78,11 @@ public:
Result ClearAppletCaptureBuffer(s32 layer_index, u32 color);
private:
const SharedBufferSession* FindSessionByLayerIdLocked(u64 layer_id) const;
/// Converts a pool slot index, which is what the guest works in, back to the buffer queues slot index
Result GetProducerSlotLocked(s32* out_producer_slot, u64 layer_id, s64 pool_slot) const;
u64 m_next_buffer_id = 1;
u64 m_display_id = 0;
u64 m_buffer_id = 0;