forked from suyu/suyu
100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
// Copyright 2018 yuzu emulator team
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <vector>
|
|
#include <boost/optional.hpp>
|
|
#include "common/swap.h"
|
|
#include "core/hle/kernel/event.h"
|
|
|
|
namespace CoreTiming {
|
|
struct EventType;
|
|
}
|
|
|
|
namespace Service {
|
|
namespace NVFlinger {
|
|
|
|
struct IGBPBuffer {
|
|
u32_le magic;
|
|
u32_le width;
|
|
u32_le height;
|
|
u32_le stride;
|
|
u32_le format;
|
|
u32_le usage;
|
|
INSERT_PADDING_WORDS(1);
|
|
u32_le index;
|
|
INSERT_PADDING_WORDS(3);
|
|
u32_le gpu_buffer_id;
|
|
INSERT_PADDING_WORDS(17);
|
|
u32_le nvmap_handle;
|
|
u32_le offset;
|
|
INSERT_PADDING_WORDS(60);
|
|
};
|
|
|
|
static_assert(sizeof(IGBPBuffer) == 0x16C, "IGBPBuffer has wrong size");
|
|
|
|
class BufferQueue final {
|
|
public:
|
|
enum class QueryType {
|
|
NativeWindowWidth = 0,
|
|
NativeWindowHeight = 1,
|
|
NativeWindowFormat = 2,
|
|
};
|
|
|
|
BufferQueue(u32 id, u64 layer_id);
|
|
~BufferQueue() = default;
|
|
|
|
enum class BufferTransformFlags : u32 {
|
|
/// Flip source image horizontally (around the vertical axis)
|
|
FlipH = 0x01,
|
|
/// Flip source image vertically (around the horizontal axis)
|
|
FlipV = 0x02,
|
|
/// Rotate source image 90 degrees clockwise
|
|
Rotate90 = 0x04,
|
|
/// Rotate source image 180 degrees
|
|
Roate180 = 0x03,
|
|
/// Rotate source image 270 degrees clockwise
|
|
Roate270 = 0x07,
|
|
};
|
|
|
|
struct Buffer {
|
|
enum class Status { Free = 0, Queued = 1, Dequeued = 2, Acquired = 3 };
|
|
|
|
u32 slot;
|
|
Status status = Status::Free;
|
|
IGBPBuffer igbp_buffer;
|
|
BufferTransformFlags transform;
|
|
};
|
|
|
|
void SetPreallocatedBuffer(u32 slot, IGBPBuffer& buffer);
|
|
boost::optional<u32> DequeueBuffer(u32 width, u32 height);
|
|
const IGBPBuffer& RequestBuffer(u32 slot) const;
|
|
void QueueBuffer(u32 slot, BufferTransformFlags transform);
|
|
boost::optional<const Buffer&> AcquireBuffer();
|
|
void ReleaseBuffer(u32 slot);
|
|
u32 Query(QueryType type);
|
|
void SetBufferWaitEvent(Kernel::SharedPtr<Kernel::Event>&& wait_event);
|
|
|
|
u32 GetId() const {
|
|
return id;
|
|
}
|
|
|
|
Kernel::SharedPtr<Kernel::Event> GetNativeHandle() const {
|
|
return native_handle;
|
|
}
|
|
|
|
private:
|
|
u32 id;
|
|
u64 layer_id;
|
|
|
|
std::vector<Buffer> queue;
|
|
Kernel::SharedPtr<Kernel::Event> native_handle;
|
|
|
|
/// Used to signal waiting thread when no buffers are available
|
|
Kernel::SharedPtr<Kernel::Event> buffer_wait_event;
|
|
};
|
|
|
|
} // namespace NVFlinger
|
|
} // namespace Service
|