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path: root/Source/Core/VideoBackends/Software/SWmain.cpp
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// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#include <cstring>
#include <memory>
#include <string>
#include <utility>

#include "Common/CommonTypes.h"
#include "Common/GL/GLInterfaceBase.h"

#include "VideoBackends/Software/Clipper.h"
#include "VideoBackends/Software/DebugUtil.h"
#include "VideoBackends/Software/EfbInterface.h"
#include "VideoBackends/Software/Rasterizer.h"
#include "VideoBackends/Software/SWOGLWindow.h"
#include "VideoBackends/Software/SWRenderer.h"
#include "VideoBackends/Software/SWTexture.h"
#include "VideoBackends/Software/SWVertexLoader.h"
#include "VideoBackends/Software/TextureCache.h"
#include "VideoBackends/Software/VideoBackend.h"

#include "VideoCommon/FramebufferManagerBase.h"
#include "VideoCommon/OnScreenDisplay.h"
#include "VideoCommon/TextureCacheBase.h"
#include "VideoCommon/VideoCommon.h"
#include "VideoCommon/VideoConfig.h"

#define VSYNC_ENABLED 0

namespace SW
{
class PerfQuery : public PerfQueryBase
{
public:
  PerfQuery() {}
  ~PerfQuery() {}
  void EnableQuery(PerfQueryGroup type) override {}
  void DisableQuery(PerfQueryGroup type) override {}
  void ResetQuery() override
  {
    memset(EfbInterface::perf_values, 0, sizeof(EfbInterface::perf_values));
  }
  u32 GetQueryResult(PerfQueryType type) override { return EfbInterface::perf_values[type]; }
  void FlushResults() override {}
  bool IsFlushed() const override { return true; }
};

std::string VideoSoftware::GetName() const
{
  return "Software Renderer";
}

std::string VideoSoftware::GetDisplayName() const
{
  return "Software Renderer";
}

void VideoSoftware::InitBackendInfo()
{
  g_Config.backend_info.api_type = APIType::Nothing;
  g_Config.backend_info.MaxTextureSize = 16384;
  g_Config.backend_info.bSupports3DVision = false;
  g_Config.backend_info.bSupportsDualSourceBlend = true;
  g_Config.backend_info.bSupportsEarlyZ = true;
  g_Config.backend_info.bSupportsOversizedViewports = true;
  g_Config.backend_info.bSupportsPrimitiveRestart = false;
  g_Config.backend_info.bSupportsMultithreading = false;
  g_Config.backend_info.bSupportsComputeShaders = false;
  g_Config.backend_info.bSupportsGPUTextureDecoding = false;
  g_Config.backend_info.bSupportsST3CTextures = false;
  g_Config.backend_info.bSupportsBPTCTextures = false;
  g_Config.backend_info.bSupportsCopyToVram = false;
  g_Config.backend_info.bSupportsFramebufferFetch = false;

  // aamodes
  g_Config.backend_info.AAModes = {1};
}

bool VideoSoftware::Initialize(void* window_handle)
{
  InitBackendInfo();
  InitializeShared();

  SWOGLWindow::Init(window_handle);

  Clipper::Init();
  Rasterizer::Init();
  DebugUtil::Init();

  GLInterface->MakeCurrent();
  SWOGLWindow::s_instance->Prepare();

  g_renderer = std::make_unique<SWRenderer>();
  g_vertex_manager = std::make_unique<SWVertexLoader>();
  g_perf_query = std::make_unique<PerfQuery>();
  g_texture_cache = std::make_unique<TextureCache>();
  return true;
}

void VideoSoftware::Shutdown()
{
  if (g_renderer)
    g_renderer->Shutdown();

  DebugUtil::Shutdown();
  SWOGLWindow::Shutdown();
  g_framebuffer_manager.reset();
  g_texture_cache.reset();
  g_perf_query.reset();
  g_vertex_manager.reset();
  g_renderer.reset();
  ShutdownShared();
}
}