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// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <memory>
#include <string>
#include <utility>
#include "Common/CommonTypes.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/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; };
};
class TextureCache : public TextureCacheBase
{
public:
bool CompileShaders() override { return true; }
void DeleteShaders() override {}
void ConvertTexture(TCacheEntryBase* entry, TCacheEntryBase* unconverted, void* palette,
TlutFormat format) override
{
}
void CopyEFB(u8* dst, const EFBCopyFormat& format, u32 native_width, u32 bytes_per_row,
u32 num_blocks_y, u32 memory_stride, bool is_depth_copy,
const EFBRectangle& src_rect, bool scale_by_half) override
{
EfbCopy::CopyEfb();
}
private:
struct TCacheEntry : TCacheEntryBase
{
TCacheEntry(const TCacheEntryConfig& _config) : TCacheEntryBase(_config) {}
~TCacheEntry() {}
void Load(u32 level, u32 width, u32 height, u32 row_length, const u8* buffer,
size_t buffer_size) override
{
}
void FromRenderTarget(bool is_depth_copy, 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>();
}
std::pair<u32, u32> GetTargetSize() const override { return std::make_pair(0, 0); }
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";
}
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.bSupportsInternalResolutionFrameDumps = false;
g_Config.backend_info.bSupportsGPUTextureDecoding = false;
g_Config.backend_info.bSupportsST3CTextures = false;
// aamodes
g_Config.backend_info.AAModes = {1};
}
bool VideoSoftware::Initialize(void* window_handle)
{
InitBackendInfo();
InitializeShared();
SWOGLWindow::Init(window_handle);
Clipper::Init();
Rasterizer::Init();
SWRenderer::Init();
DebugUtil::Init();
return true;
}
void VideoSoftware::Shutdown()
{
SWOGLWindow::Shutdown();
ShutdownShared();
}
void VideoSoftware::Video_Cleanup()
{
CleanupShared();
SWRenderer::Shutdown();
DebugUtil::Shutdown();
// The following calls are NOT Thread Safe
// And need to be called from the video thread
SWRenderer::Shutdown();
g_framebuffer_manager.reset();
g_texture_cache.reset();
g_perf_query.reset();
g_vertex_manager.reset();
g_renderer.reset();
}
// This is called after Video_Initialize() from the Core
void VideoSoftware::Video_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>();
SWRenderer::Init();
g_framebuffer_manager = std::make_unique<FramebufferManager>();
}
unsigned int VideoSoftware::PeekMessages()
{
return SWOGLWindow::s_instance->PeekMessages();
}
}
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