dolphin/Source/Core/VideoCommon/VideoBackendBase.cpp
Lioncash b68e8b872e VideoBackendBase: Migrate functions from MainBase.cpp to VideoBackendBase.cpp
Given that this only contains functions from the VideoBackendBase class,
it makes more sense to move these to the relevant cpp file to keep them
all together.
2018-03-18 15:33:59 -04:00

312 lines
8.1 KiB
C++

// Copyright 2011 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "VideoCommon/VideoBackendBase.h"
#include <algorithm>
#include <cstring>
#include <memory>
#include <string>
#include <vector>
#include "Common/ChunkFile.h"
#include "Common/CommonTypes.h"
#include "Common/Event.h"
#include "Common/Logging/Log.h"
#include "Core/Host.h"
// TODO: ugly
#ifdef _WIN32
#include "VideoBackends/D3D/VideoBackend.h"
#endif
#include "VideoBackends/Null/VideoBackend.h"
#include "VideoBackends/OGL/VideoBackend.h"
#include "VideoBackends/Software/VideoBackend.h"
#ifndef __APPLE__
#include "VideoBackends/Vulkan/VideoBackend.h"
#endif
#include "VideoCommon/AsyncRequests.h"
#include "VideoCommon/BPStructs.h"
#include "VideoCommon/CPMemory.h"
#include "VideoCommon/CommandProcessor.h"
#include "VideoCommon/Fifo.h"
#include "VideoCommon/GeometryShaderManager.h"
#include "VideoCommon/IndexGenerator.h"
#include "VideoCommon/OnScreenDisplay.h"
#include "VideoCommon/OpcodeDecoding.h"
#include "VideoCommon/PixelEngine.h"
#include "VideoCommon/PixelShaderManager.h"
#include "VideoCommon/RenderBase.h"
#include "VideoCommon/TextureCacheBase.h"
#include "VideoCommon/VertexLoaderManager.h"
#include "VideoCommon/VertexShaderManager.h"
#include "VideoCommon/VideoConfig.h"
#include "VideoCommon/VideoState.h"
std::vector<std::unique_ptr<VideoBackendBase>> g_available_video_backends;
VideoBackendBase* g_video_backend = nullptr;
static VideoBackendBase* s_default_backend = nullptr;
#ifdef _WIN32
#include <windows.h>
// Nvidia drivers >= v302 will check if the application exports a global
// variable named NvOptimusEnablement to know if it should run the app in high
// performance graphics mode or using the IGP.
extern "C" {
__declspec(dllexport) DWORD NvOptimusEnablement = 1;
}
#endif
void VideoBackendBase::ShowConfig(void* parent_handle)
{
if (!m_initialized)
InitBackendInfo();
Host_ShowVideoConfig(parent_handle, GetDisplayName());
}
void VideoBackendBase::Video_ExitLoop()
{
Fifo::ExitGpuLoop();
}
// Run from the CPU thread (from VideoInterface.cpp)
void VideoBackendBase::Video_BeginField(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight,
u64 ticks)
{
if (m_initialized && g_renderer && !g_ActiveConfig.bImmediateXFB)
{
Fifo::SyncGPU(Fifo::SyncGPUReason::Swap);
AsyncRequests::Event e;
e.time = ticks;
e.type = AsyncRequests::Event::SWAP_EVENT;
e.swap_event.xfbAddr = xfbAddr;
e.swap_event.fbWidth = fbWidth;
e.swap_event.fbStride = fbStride;
e.swap_event.fbHeight = fbHeight;
AsyncRequests::GetInstance()->PushEvent(e, false);
}
}
u32 VideoBackendBase::Video_AccessEFB(EFBAccessType type, u32 x, u32 y, u32 InputData)
{
if (!g_ActiveConfig.bEFBAccessEnable || x >= EFB_WIDTH || y >= EFB_HEIGHT)
{
return 0;
}
if (type == EFBAccessType::PokeColor || type == EFBAccessType::PokeZ)
{
AsyncRequests::Event e;
e.type = type == EFBAccessType::PokeColor ? AsyncRequests::Event::EFB_POKE_COLOR :
AsyncRequests::Event::EFB_POKE_Z;
e.time = 0;
e.efb_poke.data = InputData;
e.efb_poke.x = x;
e.efb_poke.y = y;
AsyncRequests::GetInstance()->PushEvent(e, false);
return 0;
}
else
{
AsyncRequests::Event e;
u32 result;
e.type = type == EFBAccessType::PeekColor ? AsyncRequests::Event::EFB_PEEK_COLOR :
AsyncRequests::Event::EFB_PEEK_Z;
e.time = 0;
e.efb_peek.x = x;
e.efb_peek.y = y;
e.efb_peek.data = &result;
AsyncRequests::GetInstance()->PushEvent(e, true);
return result;
}
}
u32 VideoBackendBase::Video_GetQueryResult(PerfQueryType type)
{
if (!g_perf_query->ShouldEmulate())
{
return 0;
}
Fifo::SyncGPU(Fifo::SyncGPUReason::PerfQuery);
AsyncRequests::Event e;
e.time = 0;
e.type = AsyncRequests::Event::PERF_QUERY;
if (!g_perf_query->IsFlushed())
AsyncRequests::GetInstance()->PushEvent(e, true);
return g_perf_query->GetQueryResult(type);
}
u16 VideoBackendBase::Video_GetBoundingBox(int index)
{
if (!g_ActiveConfig.bBBoxEnable)
{
static bool warn_once = true;
if (warn_once)
{
ERROR_LOG(VIDEO, "BBox shall be used but it is disabled. Please use a gameini to enable it "
"for this game.");
}
warn_once = false;
return 0;
}
if (!g_ActiveConfig.backend_info.bSupportsBBox)
{
static bool warn_once = true;
if (warn_once)
{
PanicAlertT("This game requires bounding box emulation to run properly but your graphics "
"card or its drivers do not support it. As a result you will experience bugs or "
"freezes while running this game.");
}
warn_once = false;
return 0;
}
Fifo::SyncGPU(Fifo::SyncGPUReason::BBox);
AsyncRequests::Event e;
u16 result;
e.time = 0;
e.type = AsyncRequests::Event::BBOX_READ;
e.bbox.index = index;
e.bbox.data = &result;
AsyncRequests::GetInstance()->PushEvent(e, true);
return result;
}
void VideoBackendBase::PopulateList()
{
// OGL > D3D11 > Vulkan > SW > Null
g_available_video_backends.push_back(std::make_unique<OGL::VideoBackend>());
#ifdef _WIN32
g_available_video_backends.push_back(std::make_unique<DX11::VideoBackend>());
#endif
#ifndef __APPLE__
g_available_video_backends.push_back(std::make_unique<Vulkan::VideoBackend>());
#endif
g_available_video_backends.push_back(std::make_unique<SW::VideoSoftware>());
g_available_video_backends.push_back(std::make_unique<Null::VideoBackend>());
const auto iter =
std::find_if(g_available_video_backends.begin(), g_available_video_backends.end(),
[](const auto& backend) { return backend != nullptr; });
if (iter == g_available_video_backends.end())
return;
s_default_backend = iter->get();
g_video_backend = iter->get();
}
void VideoBackendBase::ClearList()
{
g_available_video_backends.clear();
}
void VideoBackendBase::ActivateBackend(const std::string& name)
{
// If empty, set it to the default backend (expected behavior)
if (name.empty())
g_video_backend = s_default_backend;
const auto iter =
std::find_if(g_available_video_backends.begin(), g_available_video_backends.end(),
[&name](const auto& backend) { return name == backend->GetName(); });
if (iter == g_available_video_backends.end())
return;
g_video_backend = iter->get();
}
// Run from the CPU thread
void VideoBackendBase::DoState(PointerWrap& p)
{
bool software = false;
p.Do(software);
if (p.GetMode() == PointerWrap::MODE_READ && software == true)
{
// change mode to abort load of incompatible save state.
p.SetMode(PointerWrap::MODE_VERIFY);
}
VideoCommon_DoState(p);
p.DoMarker("VideoCommon");
// Refresh state.
if (p.GetMode() == PointerWrap::MODE_READ)
{
m_invalid = true;
// Clear all caches that touch RAM
// (? these don't appear to touch any emulation state that gets saved. moved to on load only.)
VertexLoaderManager::MarkAllDirty();
}
}
void VideoBackendBase::CheckInvalidState()
{
if (m_invalid)
{
m_invalid = false;
BPReload();
g_texture_cache->Invalidate();
}
}
void VideoBackendBase::InitializeShared()
{
memset(&g_main_cp_state, 0, sizeof(g_main_cp_state));
memset(&g_preprocess_cp_state, 0, sizeof(g_preprocess_cp_state));
memset(texMem, 0, TMEM_SIZE);
// Do our OSD callbacks
OSD::DoCallbacks(OSD::CallbackType::Initialization);
// do not initialize again for the config window
m_initialized = true;
m_invalid = false;
frameCount = 0;
CommandProcessor::Init();
Fifo::Init();
OpcodeDecoder::Init();
PixelEngine::Init();
BPInit();
VertexLoaderManager::Init();
IndexGenerator::Init();
VertexShaderManager::Init();
GeometryShaderManager::Init();
PixelShaderManager::Init();
g_Config.Refresh();
g_Config.UpdateProjectionHack();
UpdateActiveConfig();
}
void VideoBackendBase::ShutdownShared()
{
// Do our OSD callbacks
OSD::DoCallbacks(OSD::CallbackType::Shutdown);
m_initialized = false;
VertexLoaderManager::Clear();
Fifo::Shutdown();
}