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e149ad4f0a
SPDX standardizes how source code conveys its copyright and licensing information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX tags are adopted in many large projects, including things like the Linux kernel.
80 lines
2 KiB
C++
80 lines
2 KiB
C++
// Copyright 2011 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <memory>
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#include <optional>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "Common/WindowSystemInfo.h"
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#include "VideoCommon/PerfQueryBase.h"
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namespace MMIO
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{
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class Mapping;
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}
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class PointerWrap;
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enum class FieldType
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{
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Odd,
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Even,
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};
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enum class EFBAccessType
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{
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PeekZ,
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PokeZ,
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PeekColor,
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PokeColor
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};
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class VideoBackendBase
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{
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public:
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virtual ~VideoBackendBase() {}
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virtual bool Initialize(const WindowSystemInfo& wsi) = 0;
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virtual void Shutdown() = 0;
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virtual std::string GetName() const = 0;
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virtual std::string GetDisplayName() const { return GetName(); }
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virtual void InitBackendInfo() = 0;
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virtual std::optional<std::string> GetWarningMessage() const { return {}; }
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// Prepares a native window for rendering. This is called on the main thread, or the
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// thread which owns the window.
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virtual void PrepareWindow(WindowSystemInfo& wsi) {}
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static std::string BadShaderFilename(const char* shader_stage, int counter);
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void Video_ExitLoop();
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void Video_BeginField(u32 xfb_addr, u32 fb_width, u32 fb_stride, u32 fb_height, u64 ticks);
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u32 Video_AccessEFB(EFBAccessType type, u32 x, u32 y, u32 data);
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u32 Video_GetQueryResult(PerfQueryType type);
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u16 Video_GetBoundingBox(int index);
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static std::string GetDefaultBackendName();
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static const std::vector<std::unique_ptr<VideoBackendBase>>& GetAvailableBackends();
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static void ActivateBackend(const std::string& name);
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// Fills the backend_info fields with the capabilities of the selected backend/device.
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static void PopulateBackendInfo();
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// Called by the UI thread when the graphics config is opened.
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static void PopulateBackendInfoFromUI();
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// Wrapper function which pushes the event to the GPU thread.
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void DoState(PointerWrap& p);
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protected:
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void InitializeShared();
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void ShutdownShared();
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bool m_initialized = false;
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};
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extern VideoBackendBase* g_video_backend;
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