From 741a8c303489fc99ffe964717a1abaf8fd84703d Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Fri, 25 Mar 2022 22:58:23 -0700
Subject: hle: service: nvflinger: Remove unused BufferQueue.

---
 src/core/hle/service/nvflinger/buffer_queue.h | 154 --------------------------
 1 file changed, 154 deletions(-)
 delete mode 100644 src/core/hle/service/nvflinger/buffer_queue.h

(limited to 'src/core/hle/service/nvflinger/buffer_queue.h')

diff --git a/src/core/hle/service/nvflinger/buffer_queue.h b/src/core/hle/service/nvflinger/buffer_queue.h
deleted file mode 100644
index f2a579133..000000000
--- a/src/core/hle/service/nvflinger/buffer_queue.h
+++ /dev/null
@@ -1,154 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <condition_variable>
-#include <list>
-#include <mutex>
-#include <optional>
-
-#include "common/common_funcs.h"
-#include "common/math_util.h"
-#include "common/swap.h"
-#include "core/hle/kernel/k_event.h"
-#include "core/hle/kernel/k_readable_event.h"
-#include "core/hle/service/nvdrv/nvdata.h"
-
-namespace Kernel {
-class KernelCore;
-class KEvent;
-class KReadableEvent;
-class KWritableEvent;
-} // namespace Kernel
-
-namespace Service::KernelHelpers {
-class ServiceContext;
-} // namespace Service::KernelHelpers
-
-namespace Service::NVFlinger {
-
-constexpr u32 buffer_slots = 0x40;
-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(6);
-    u32_le external_format;
-    INSERT_PADDING_WORDS(10);
-    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,
-        /// The minimum number of buffers that must remain un-dequeued after a buffer has been
-        /// queued
-        NativeWindowMinUndequeuedBuffers = 3,
-        /// The consumer gralloc usage bits currently set by the consumer
-        NativeWindowConsumerUsageBits = 10,
-    };
-
-    explicit BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_,
-                         KernelHelpers::ServiceContext& service_context_);
-    ~BufferQueue();
-
-    enum class BufferTransformFlags : u32 {
-        /// No transform flags are set
-        Unset = 0x00,
-        /// 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
-        Rotate180 = 0x03,
-        /// Rotate source image 270 degrees clockwise
-        Rotate270 = 0x07,
-    };
-
-    enum class PixelFormat : u32 {
-        RGBA8888 = 1,
-        RGBX8888 = 2,
-        RGB888 = 3,
-        RGB565 = 4,
-        BGRA8888 = 5,
-        RGBA5551 = 6,
-        RRGBA4444 = 7,
-    };
-
-    struct Buffer {
-        enum class Status { Free = 0, Queued = 1, Dequeued = 2, Acquired = 3 };
-
-        u32 slot;
-        Status status = Status::Free;
-        IGBPBuffer igbp_buffer;
-        BufferTransformFlags transform;
-        Common::Rectangle<int> crop_rect;
-        u32 swap_interval;
-        Service::Nvidia::MultiFence multi_fence;
-    };
-
-    void SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer);
-    std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> DequeueBuffer(u32 width,
-                                                                              u32 height);
-    const IGBPBuffer& RequestBuffer(u32 slot) const;
-    void QueueBuffer(u32 slot, BufferTransformFlags transform,
-                     const Common::Rectangle<int>& crop_rect, u32 swap_interval,
-                     Service::Nvidia::MultiFence& multi_fence);
-    void CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& multi_fence);
-    std::optional<std::reference_wrapper<const Buffer>> AcquireBuffer();
-    void ReleaseBuffer(u32 slot);
-    void Connect();
-    void Disconnect();
-    u32 Query(QueryType type);
-
-    u32 GetId() const {
-        return id;
-    }
-
-    bool IsConnected() const {
-        return is_connect;
-    }
-
-    Kernel::KWritableEvent& GetWritableBufferWaitEvent();
-
-    Kernel::KReadableEvent& GetBufferWaitEvent();
-
-private:
-    BufferQueue(const BufferQueue&) = delete;
-
-    u32 id{};
-    u64 layer_id{};
-    std::atomic_bool is_connect{};
-
-    std::list<u32> free_buffers;
-    std::array<Buffer, buffer_slots> buffers;
-    std::list<u32> queue_sequence;
-    Kernel::KEvent* buffer_wait_event{};
-
-    std::mutex free_buffers_mutex;
-    std::condition_variable free_buffers_condition;
-
-    std::mutex queue_sequence_mutex;
-
-    KernelHelpers::ServiceContext& service_context;
-};
-
-} // namespace Service::NVFlinger
-- 
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