VideoCore: Refactor syncing.

src/video_core/host1x/vic.h

@@ -0,0 +1,66 @@
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <memory>
+#include <vector>
+#include "common/common_types.h"
+
+struct SwsContext;
+
+namespace Tegra {
+class GPU;
+
+namespace Host1x {
+
+class Nvdec;
+union VicConfig;
+
+class Vic {
+public:
+    enum class Method : u32 {
+        Execute = 0xc0,
+        SetControlParams = 0x1c1,
+        SetConfigStructOffset = 0x1c2,
+        SetOutputSurfaceLumaOffset = 0x1c8,
+        SetOutputSurfaceChromaOffset = 0x1c9,
+        SetOutputSurfaceChromaUnusedOffset = 0x1ca
+    };
+
+    explicit Vic(GPU& gpu, std::shared_ptr<Nvdec> nvdec_processor);
+
+    ~Vic();
+
+    /// Write to the device state.
+    void ProcessMethod(Method method, u32 argument);
+
+private:
+    void Execute();
+
+    void WriteRGBFrame(const AVFrame* frame, const VicConfig& config);
+
+    void WriteYUVFrame(const AVFrame* frame, const VicConfig& config);
+
+    GPU& gpu;
+    std::shared_ptr<Tegra::Host1x::Nvdec> nvdec_processor;
+
+    /// Avoid reallocation of the following buffers every frame, as their
+    /// size does not change during a stream
+    using AVMallocPtr = std::unique_ptr<u8, decltype(&av_free)>;
+    AVMallocPtr converted_frame_buffer;
+    std::vector<u8> luma_buffer;
+    std::vector<u8> chroma_buffer;
+
+    GPUVAddr config_struct_address{};
+    GPUVAddr output_surface_luma_address{};
+    GPUVAddr output_surface_chroma_address{};
+
+    SwsContext* scaler_ctx{};
+    s32 scaler_width{};
+    s32 scaler_height{};
+};
+
+} // namespace Host1x
+
+} // namespace Tegra