libretro-dolphin/Source/Core/VideoBackends/D3D/main.cpp
2020-08-31 19:08:00 +01:00

197 lines
6.7 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <memory>
#include <string>
#include "Common/Common.h"
#include "Common/CommonTypes.h"
#include "Common/MsgHandler.h"
#include "Common/StringUtil.h"
#include "VideoBackends/D3D/BoundingBox.h"
#include "VideoBackends/D3D/D3DBase.h"
#include "VideoBackends/D3D/PerfQuery.h"
#include "VideoBackends/D3D/Render.h"
#include "VideoBackends/D3D/SwapChain.h"
#include "VideoBackends/D3D/VertexManager.h"
#include "VideoBackends/D3D/VideoBackend.h"
#include "VideoBackends/D3DCommon/Common.h"
#include "VideoCommon/FramebufferManager.h"
#include "VideoCommon/ShaderCache.h"
#include "VideoCommon/TextureCacheBase.h"
#include "VideoCommon/VideoCommon.h"
#include "VideoCommon/VideoConfig.h"
namespace DX11
{
static bool s_create_device = false;
std::string VideoBackend::GetName() const
{
return "D3D";
}
std::string VideoBackend::GetDisplayName() const
{
return _trans("Direct3D 11");
}
std::optional<std::string> VideoBackend::GetWarningMessage() const
{
std::optional<std::string> result;
// If user is on Win7, show a warning about partial DX11.1 support
// This is being called BEFORE FillBackendInfo is called for this backend,
// so query for logic op support manually
bool supportsLogicOp = false;
if (D3DCommon::LoadLibraries())
{
supportsLogicOp = D3D::SupportsLogicOp(g_Config.iAdapter);
D3DCommon::UnloadLibraries();
}
if (!supportsLogicOp)
{
result = _trans("Direct3D 11 renderer requires support for features not supported by your "
"system configuration. This is most likely because you are using Windows 7. "
"You may still use this backend, but you might encounter graphical artifacts."
"\n\nDo you really want to switch to Direct3D 11? If unsure, select 'No'.");
}
return result;
}
void VideoBackend::InitBackendInfo()
{
if (!D3DCommon::LoadLibraries())
return;
FillBackendInfo();
D3DCommon::UnloadLibraries();
}
void VideoBackend::FillBackendInfo()
{
g_Config.backend_info.api_type = APIType::D3D;
g_Config.backend_info.MaxTextureSize = D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION;
g_Config.backend_info.bUsesLowerLeftOrigin = false;
g_Config.backend_info.bSupportsExclusiveFullscreen = true;
g_Config.backend_info.bSupportsDualSourceBlend = true;
g_Config.backend_info.bSupportsPrimitiveRestart = true;
g_Config.backend_info.bSupportsOversizedViewports = false;
g_Config.backend_info.bSupportsGeometryShaders = true;
g_Config.backend_info.bSupportsComputeShaders = false;
g_Config.backend_info.bSupports3DVision = true;
g_Config.backend_info.bSupportsPostProcessing = true;
g_Config.backend_info.bSupportsPaletteConversion = true;
g_Config.backend_info.bSupportsClipControl = true;
g_Config.backend_info.bSupportsDepthClamp = true;
g_Config.backend_info.bSupportsReversedDepthRange = false;
g_Config.backend_info.bSupportsMultithreading = false;
g_Config.backend_info.bSupportsGPUTextureDecoding = true;
g_Config.backend_info.bSupportsCopyToVram = true;
g_Config.backend_info.bSupportsLargePoints = false;
g_Config.backend_info.bSupportsDepthReadback = true;
g_Config.backend_info.bSupportsPartialDepthCopies = false;
g_Config.backend_info.bSupportsBitfield = false;
g_Config.backend_info.bSupportsDynamicSamplerIndexing = false;
g_Config.backend_info.bSupportsFramebufferFetch = false;
g_Config.backend_info.bSupportsBackgroundCompiling = true;
g_Config.backend_info.bSupportsST3CTextures = true;
g_Config.backend_info.bSupportsBPTCTextures = true;
g_Config.backend_info.bSupportsEarlyZ = true;
g_Config.backend_info.bSupportsBBox = true;
g_Config.backend_info.bSupportsFragmentStoresAndAtomics = true;
g_Config.backend_info.bSupportsGSInstancing = true;
g_Config.backend_info.bSupportsSSAA = true;
g_Config.backend_info.bSupportsShaderBinaries = true;
g_Config.backend_info.bSupportsPipelineCacheData = false;
g_Config.backend_info.bSupportsLogicOp = D3D::SupportsLogicOp(g_Config.iAdapter);
g_Config.backend_info.Adapters = D3DCommon::GetAdapterNames();
g_Config.backend_info.AAModes = D3D::GetAAModes(g_Config.iAdapter);
// Override optional features if we are actually booting.
if (D3D::device)
{
g_Config.backend_info.bSupportsST3CTextures =
D3D::SupportsTextureFormat(DXGI_FORMAT_BC1_UNORM) &&
D3D::SupportsTextureFormat(DXGI_FORMAT_BC2_UNORM) &&
D3D::SupportsTextureFormat(DXGI_FORMAT_BC3_UNORM);
g_Config.backend_info.bSupportsBPTCTextures = D3D::SupportsTextureFormat(DXGI_FORMAT_BC7_UNORM);
// Features only supported with a FL11.0+ device.
const bool shader_model_5_supported = D3D::feature_level >= D3D_FEATURE_LEVEL_11_0;
g_Config.backend_info.bSupportsEarlyZ = shader_model_5_supported;
g_Config.backend_info.bSupportsBBox = shader_model_5_supported;
g_Config.backend_info.bSupportsFragmentStoresAndAtomics = shader_model_5_supported;
g_Config.backend_info.bSupportsGSInstancing = shader_model_5_supported;
g_Config.backend_info.bSupportsSSAA = shader_model_5_supported;
g_Config.backend_info.bSupportsGPUTextureDecoding = shader_model_5_supported;
}
}
bool VideoBackend::Initialize(const WindowSystemInfo& wsi)
{
if (!g_renderer)
{
if (!D3D::Create(g_Config.iAdapter, g_Config.bEnableValidationLayer))
return false;
s_create_device = true;
FillBackendInfo();
InitializeShared();
std::unique_ptr<SwapChain> swap_chain;
if (wsi.render_surface && !(swap_chain = SwapChain::Create(wsi)))
{
PanicAlertT("Failed to create D3D swap chain");
ShutdownShared();
D3D::Destroy();
return false;
}
g_renderer = std::make_unique<Renderer>(std::move(swap_chain), wsi.render_surface_scale);
}
g_vertex_manager = std::make_unique<VertexManager>();
g_shader_cache = std::make_unique<VideoCommon::ShaderCache>();
g_framebuffer_manager = std::make_unique<FramebufferManager>();
g_texture_cache = std::make_unique<TextureCacheBase>();
g_perf_query = std::make_unique<PerfQuery>();
if (!g_vertex_manager->Initialize() || !g_shader_cache->Initialize() ||
!g_renderer->Initialize() || !g_framebuffer_manager->Initialize() ||
!g_texture_cache->Initialize())
{
Shutdown();
return false;
}
BBox::Init();
g_shader_cache->InitializeShaderCache();
return true;
}
void VideoBackend::Shutdown()
{
g_shader_cache->Shutdown();
g_renderer->Shutdown();
BBox::Shutdown();
g_perf_query.reset();
g_texture_cache.reset();
g_framebuffer_manager.reset();
g_shader_cache.reset();
g_vertex_manager.reset();
g_renderer.reset();
ShutdownShared();
if (s_create_device)
D3D::Destroy();
}
} // namespace DX11