dolphin/Source/Core/VideoBackends/Software/SWmain.cpp

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// Copyright 2009 Dolphin Emulator Project
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// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <atomic>
#include <memory>
#include <string>
#include "Common/CommonTypes.h"
#include "Common/FileUtil.h"
#include "Common/Logging/LogManager.h"
#include "Core/Host.h"
#include "VideoBackends/Software/Clipper.h"
#include "VideoBackends/Software/DebugUtil.h"
#include "VideoBackends/Software/EfbCopy.h"
#include "VideoBackends/Software/EfbInterface.h"
#include "VideoBackends/Software/Rasterizer.h"
#include "VideoBackends/Software/SWOGLWindow.h"
#include "VideoBackends/Software/SWRenderer.h"
#include "VideoBackends/Software/SWVertexLoader.h"
#include "VideoBackends/Software/VideoBackend.h"
#include "VideoCommon/BPStructs.h"
#include "VideoCommon/CommandProcessor.h"
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#include "VideoCommon/Fifo.h"
#include "VideoCommon/FramebufferManagerBase.h"
#include "VideoCommon/IndexGenerator.h"
#include "VideoCommon/OnScreenDisplay.h"
#include "VideoCommon/OpcodeDecoding.h"
#include "VideoCommon/PixelEngine.h"
#include "VideoCommon/PixelShaderManager.h"
#include "VideoCommon/TextureCacheBase.h"
#include "VideoCommon/VertexLoaderManager.h"
#include "VideoCommon/VertexShaderManager.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 {}
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bool IsFlushed() const override { return true; };
};
class TextureCache : public TextureCacheBase
{
public:
void CompileShaders() override {};
void DeleteShaders() override {};
void ConvertTexture(TCacheEntryBase* entry, TCacheEntryBase* unconverted, void* palette, TlutFormat format) override {};
void CopyEFB(u8* dst, u32 format, u32 native_width, u32 bytes_per_row, u32 num_blocks_y, u32 memory_stride,
PEControl::PixelFormat srcFormat, const EFBRectangle& srcRect,
bool isIntensity, bool scaleByHalf) override
{
EfbCopy::CopyEfb();
}
private:
struct TCacheEntry : TCacheEntryBase
{
TCacheEntry(const TCacheEntryConfig& _config) : TCacheEntryBase(_config) {}
~TCacheEntry() {}
void Load(unsigned int width, unsigned int height,
unsigned int expanded_width, unsigned int level) override {}
void FromRenderTarget(u8* dst, PEControl::PixelFormat srcFormat, const EFBRectangle& srcRect,
bool scaleByHalf, unsigned int cbufid, const float *colmat) override
{
EfbCopy::CopyEfb();
}
void CopyRectangleFromTexture(
const TCacheEntryBase* source,
const MathUtil::Rectangle<int>& srcrect,
const MathUtil::Rectangle<int>& dstrect) override {}
void Bind(unsigned int stage) override {}
bool Save(const std::string& filename, unsigned int level) override { return false; }
};
TCacheEntryBase* CreateTexture(const TCacheEntryConfig& config) override
{
return new TCacheEntry(config);
}
};
class XFBSource : public XFBSourceBase
{
void DecodeToTexture(u32 xfbAddr, u32 fbWidth, u32 fbHeight) override {}
void CopyEFB(float Gamma) override {}
};
class FramebufferManager : public FramebufferManagerBase
{
std::unique_ptr<XFBSourceBase> CreateXFBSource(unsigned int target_width, unsigned int target_height, unsigned int layers) override { return std::make_unique<XFBSource>(); }
void GetTargetSize(unsigned int* width, unsigned int* height) override {};
void CopyToRealXFB(u32 xfbAddr, u32 fbStride, u32 fbHeight, const EFBRectangle& sourceRc, float Gamma = 1.0f) override
{
EfbCopy::CopyEfb();
}
};
std::string VideoSoftware::GetName() const
{
return "Software Renderer";
}
std::string VideoSoftware::GetDisplayName() const
{
return "Software Renderer";
}
static void InitBackendInfo()
{
g_Config.backend_info.APIType = API_NONE;
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;
// aamodes
g_Config.backend_info.AAModes = {1};
}
void VideoSoftware::ShowConfig(void *hParent)
{
if (!m_initialized)
InitBackendInfo();
Host_ShowVideoConfig(hParent, GetDisplayName(), "gfx_software");
}
bool VideoSoftware::Initialize(void *window_handle)
{
InitializeShared();
InitBackendInfo();
g_Config.Load((File::GetUserPath(D_CONFIG_IDX) + "gfx_software.ini").c_str());
g_Config.GameIniLoad();
g_Config.UpdateProjectionHack();
g_Config.VerifyValidity();
UpdateActiveConfig();
SWOGLWindow::Init(window_handle);
PixelEngine::Init();
Clipper::Init();
Rasterizer::Init();
SWRenderer::Init();
DebugUtil::Init();
// Do our OSD callbacks
OSD::DoCallbacks(OSD::CallbackType::Initialization);
m_initialized = true;
return true;
}
void VideoSoftware::Shutdown()
{
m_initialized = false;
// Do our OSD callbacks
OSD::DoCallbacks(OSD::CallbackType::Shutdown);
SWOGLWindow::Shutdown();
}
void VideoSoftware::Video_Cleanup()
{
if (g_renderer)
{
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Fifo::Shutdown();
SWRenderer::Shutdown();
DebugUtil::Shutdown();
// The following calls are NOT Thread Safe
// And need to be called from the video thread
SWRenderer::Shutdown();
VertexLoaderManager::Shutdown();
g_framebuffer_manager.reset();
g_texture_cache.reset();
VertexShaderManager::Shutdown();
PixelShaderManager::Shutdown();
g_perf_query.reset();
g_vertex_manager.reset();
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OpcodeDecoder::Shutdown();
g_renderer.reset();
}
}
// This is called after Video_Initialize() from the Core
void VideoSoftware::Video_Prepare()
{
g_renderer = std::make_unique<SWRenderer>();
CommandProcessor::Init();
PixelEngine::Init();
BPInit();
g_vertex_manager = std::make_unique<SWVertexLoader>();
g_perf_query = std::make_unique<PerfQuery>();
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Fifo::Init(); // must be done before OpcodeDecoder::Init()
OpcodeDecoder::Init();
IndexGenerator::Init();
VertexShaderManager::Init();
PixelShaderManager::Init();
g_texture_cache = std::make_unique<TextureCache>();
SWRenderer::Init();
VertexLoaderManager::Init();
g_framebuffer_manager = std::make_unique<FramebufferManager>();
// Notify the core that the video backend is ready
Host_Message(WM_USER_CREATE);
INFO_LOG(VIDEO, "Video backend initialized.");
}
unsigned int VideoSoftware::PeekMessages()
{
return SWOGLWindow::s_instance->PeekMessages();
}
}