mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2024-11-22 22:05:38 +00:00
Add initial libretro implementation
This commit is contained in:
Connor McLaughlin
parent
5dedd8707b
commit
d7f083559e
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@ -51,6 +51,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "scmversion", "src\scmversio
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EndProject
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "discord-rpc", "dep\discord-rpc\discord-rpc.vcxproj", "{4266505B-DBAF-484B-AB31-B53B9C8235B3}"
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "discord-rpc", "dep\discord-rpc\discord-rpc.vcxproj", "{4266505B-DBAF-484B-AB31-B53B9C8235B3}"
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EndProject
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "duckstation-libretro", "src\duckstation-libretro\duckstation-libretro.vcxproj", "{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}"
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EndProject
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Global
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|x64 = Debug|x64
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Debug|x64 = Debug|x64
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@ -431,6 +433,22 @@ Global
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{4266505B-DBAF-484B-AB31-B53B9C8235B3}.ReleaseLTCG|x64.Build.0 = ReleaseLTCG|x64
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{4266505B-DBAF-484B-AB31-B53B9C8235B3}.ReleaseLTCG|x64.Build.0 = ReleaseLTCG|x64
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{4266505B-DBAF-484B-AB31-B53B9C8235B3}.ReleaseLTCG|x86.ActiveCfg = ReleaseLTCG|Win32
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{4266505B-DBAF-484B-AB31-B53B9C8235B3}.ReleaseLTCG|x86.ActiveCfg = ReleaseLTCG|Win32
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{4266505B-DBAF-484B-AB31-B53B9C8235B3}.ReleaseLTCG|x86.Build.0 = ReleaseLTCG|Win32
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{4266505B-DBAF-484B-AB31-B53B9C8235B3}.ReleaseLTCG|x86.Build.0 = ReleaseLTCG|Win32
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.Debug|x64.ActiveCfg = Debug|x64
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.Debug|x64.Build.0 = Debug|x64
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.Debug|x86.ActiveCfg = Debug|Win32
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.Debug|x86.Build.0 = Debug|Win32
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.DebugFast|x64.ActiveCfg = DebugFast|x64
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.DebugFast|x64.Build.0 = DebugFast|x64
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.DebugFast|x86.ActiveCfg = DebugFast|Win32
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.DebugFast|x86.Build.0 = DebugFast|Win32
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.Release|x64.ActiveCfg = Release|x64
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.Release|x64.Build.0 = Release|x64
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.Release|x86.ActiveCfg = Release|Win32
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.Release|x86.Build.0 = Release|Win32
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.ReleaseLTCG|x64.ActiveCfg = ReleaseLTCG|x64
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.ReleaseLTCG|x64.Build.0 = ReleaseLTCG|x64
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.ReleaseLTCG|x86.ActiveCfg = ReleaseLTCG|Win32
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{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}.ReleaseLTCG|x86.Build.0 = ReleaseLTCG|Win32
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EndGlobalSection
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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HideSolutionNode = FALSE
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@ -1,9 +1,12 @@
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add_subdirectory(common)
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add_subdirectory(common)
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add_subdirectory(common-tests)
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add_subdirectory(common-tests)
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add_subdirectory(core)
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add_subdirectory(core)
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add_subdirectory(frontend-common)
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add_subdirectory(scmversion)
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add_subdirectory(scmversion)
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if(ANDROID OR BUILD_SDL_FRONTEND OR BUILD_QT_FRONTEND)
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add_subdirectory(frontend-common)
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endif()
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if(BUILD_SDL_FRONTEND)
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if(BUILD_SDL_FRONTEND)
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add_subdirectory(duckstation-sdl)
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add_subdirectory(duckstation-sdl)
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endif()
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endif()
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@ -12,3 +15,7 @@ if(BUILD_QT_FRONTEND)
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add_subdirectory(duckstation-qt)
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add_subdirectory(duckstation-qt)
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endif()
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endif()
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if(BUILD_LIBRETRO_CORE)
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add_subdirectory(duckstation-libretro)
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endif()
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23
src/duckstation-libretro/CMakeLists.txt
Normal file
23
src/duckstation-libretro/CMakeLists.txt
Normal file
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@ -0,0 +1,23 @@
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add_library(duckstation-libretro SHARED
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libretro_audio_stream.cpp
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libretro_audio_stream.h
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libretro_host_display.cpp
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libretro_host_display.h
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libretro_host_interface.cpp
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libretro_host_interface.h
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libretro_settings_interface.cpp
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libretro_settings_interface.h
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main.cpp
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opengl_host_display.cpp
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opengl_host_display.h
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)
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if(WIN32)
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target_sources(duckstation-libretro PRIVATE
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d3d11_host_display.cpp
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d3d11_host_display.h
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)
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endif()
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target_link_libraries(duckstation-libretro PRIVATE core common imgui glad scmversion libretro-common)
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283
src/duckstation-libretro/d3d11_host_display.cpp
Normal file
283
src/duckstation-libretro/d3d11_host_display.cpp
Normal file
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@ -0,0 +1,283 @@
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#include "d3d11_host_display.h"
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#include "common/assert.h"
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#include "common/d3d11/shader_compiler.h"
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#include "common/log.h"
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#include "frontend-common/display_ps.hlsl.h"
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#include "frontend-common/display_vs.hlsl.h"
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#include "libretro_host_interface.h"
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#include <array>
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Log_SetChannel(D3D11HostDisplay);
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#define HAVE_D3D11
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#include "libretro_d3d.h"
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class D3D11HostDisplayTexture : public HostDisplayTexture
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{
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public:
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template<typename T>
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using ComPtr = Microsoft::WRL::ComPtr<T>;
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D3D11HostDisplayTexture(ComPtr<ID3D11Texture2D> texture, ComPtr<ID3D11ShaderResourceView> srv, u32 width, u32 height,
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bool dynamic)
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: m_texture(std::move(texture)), m_srv(std::move(srv)), m_width(width), m_height(height), m_dynamic(dynamic)
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{
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}
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~D3D11HostDisplayTexture() override = default;
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void* GetHandle() const override { return m_srv.Get(); }
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u32 GetWidth() const override { return m_width; }
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u32 GetHeight() const override { return m_height; }
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ID3D11Texture2D* GetD3DTexture() const { return m_texture.Get(); }
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ID3D11ShaderResourceView* GetD3DSRV() const { return m_srv.Get(); }
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bool IsDynamic() const { return m_dynamic; }
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static std::unique_ptr<D3D11HostDisplayTexture> Create(ID3D11Device* device, u32 width, u32 height, const void* data,
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u32 data_stride, bool dynamic)
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{
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const CD3D11_TEXTURE2D_DESC desc(DXGI_FORMAT_R8G8B8A8_UNORM, width, height, 1, 1, D3D11_BIND_SHADER_RESOURCE,
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dynamic ? D3D11_USAGE_DYNAMIC : D3D11_USAGE_DEFAULT,
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dynamic ? D3D11_CPU_ACCESS_WRITE : 0, 1, 0, 0);
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const D3D11_SUBRESOURCE_DATA srd{data, data_stride, data_stride * height};
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ComPtr<ID3D11Texture2D> texture;
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HRESULT hr = device->CreateTexture2D(&desc, data ? &srd : nullptr, texture.GetAddressOf());
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if (FAILED(hr))
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return {};
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const CD3D11_SHADER_RESOURCE_VIEW_DESC srv_desc(D3D11_SRV_DIMENSION_TEXTURE2D, DXGI_FORMAT_R8G8B8A8_UNORM, 0, 1, 0,
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1);
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ComPtr<ID3D11ShaderResourceView> srv;
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hr = device->CreateShaderResourceView(texture.Get(), &srv_desc, srv.GetAddressOf());
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if (FAILED(hr))
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return {};
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return std::make_unique<D3D11HostDisplayTexture>(std::move(texture), std::move(srv), width, height, dynamic);
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}
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private:
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ComPtr<ID3D11Texture2D> m_texture;
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ComPtr<ID3D11ShaderResourceView> m_srv;
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u32 m_width;
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u32 m_height;
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bool m_dynamic;
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};
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D3D11HostDisplay::D3D11HostDisplay(ComPtr<ID3D11Device> device, ComPtr<ID3D11DeviceContext> context)
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: m_device(std::move(device)), m_context(std::move(context))
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{
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}
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D3D11HostDisplay::~D3D11HostDisplay() = default;
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HostDisplay::RenderAPI D3D11HostDisplay::GetRenderAPI() const
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{
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return HostDisplay::RenderAPI::D3D11;
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}
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void* D3D11HostDisplay::GetRenderDevice() const
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{
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return m_device.Get();
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}
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void* D3D11HostDisplay::GetRenderContext() const
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{
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return m_context.Get();
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}
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std::unique_ptr<HostDisplayTexture> D3D11HostDisplay::CreateTexture(u32 width, u32 height, const void* data,
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u32 data_stride, bool dynamic)
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{
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return D3D11HostDisplayTexture::Create(m_device.Get(), width, height, data, data_stride, dynamic);
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}
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void D3D11HostDisplay::UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* data,
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u32 data_stride)
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{
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D3D11HostDisplayTexture* d3d11_texture = static_cast<D3D11HostDisplayTexture*>(texture);
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if (!d3d11_texture->IsDynamic())
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{
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const CD3D11_BOX dst_box(x, y, 0, x + width, y + height, 1);
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m_context->UpdateSubresource(d3d11_texture->GetD3DTexture(), 0, &dst_box, data, data_stride, data_stride * height);
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}
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else
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{
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D3D11_MAPPED_SUBRESOURCE sr;
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HRESULT hr = m_context->Map(d3d11_texture->GetD3DTexture(), 0, D3D11_MAP_WRITE_DISCARD, 0, &sr);
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if (FAILED(hr))
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Panic("Failed to map dynamic host display texture");
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char* dst_ptr = static_cast<char*>(sr.pData) + (y * sr.RowPitch) + (x * sizeof(u32));
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const char* src_ptr = static_cast<const char*>(data);
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if (sr.RowPitch == data_stride)
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{
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std::memcpy(dst_ptr, src_ptr, data_stride * height);
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}
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else
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{
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for (u32 row = 0; row < height; row++)
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{
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std::memcpy(dst_ptr, src_ptr, width * sizeof(u32));
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src_ptr += data_stride;
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dst_ptr += sr.RowPitch;
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}
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}
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m_context->Unmap(d3d11_texture->GetD3DTexture(), 0);
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}
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}
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bool D3D11HostDisplay::DownloadTexture(const void* texture_handle, u32 x, u32 y, u32 width, u32 height, void* out_data,
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u32 out_data_stride)
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{
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ID3D11ShaderResourceView* srv =
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const_cast<ID3D11ShaderResourceView*>(static_cast<const ID3D11ShaderResourceView*>(texture_handle));
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ID3D11Resource* srv_resource;
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D3D11_SHADER_RESOURCE_VIEW_DESC srv_desc;
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srv->GetResource(&srv_resource);
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srv->GetDesc(&srv_desc);
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if (!m_readback_staging_texture.EnsureSize(m_context.Get(), width, height, srv_desc.Format, false))
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return false;
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m_readback_staging_texture.CopyFromTexture(m_context.Get(), srv_resource, 0, x, y, 0, 0, width, height);
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return m_readback_staging_texture.ReadPixels<u32>(m_context.Get(), 0, 0, width, height, out_data_stride / sizeof(u32),
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static_cast<u32*>(out_data));
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}
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void D3D11HostDisplay::SetVSync(bool enabled) {}
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bool D3D11HostDisplay::CreateD3DResources()
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{
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HRESULT hr;
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m_display_vertex_shader =
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D3D11::ShaderCompiler::CreateVertexShader(m_device.Get(), s_display_vs_bytecode, sizeof(s_display_vs_bytecode));
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m_display_pixel_shader =
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D3D11::ShaderCompiler::CreatePixelShader(m_device.Get(), s_display_ps_bytecode, sizeof(s_display_ps_bytecode));
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if (!m_display_vertex_shader || !m_display_pixel_shader)
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return false;
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if (!m_display_uniform_buffer.Create(m_device.Get(), D3D11_BIND_CONSTANT_BUFFER, DISPLAY_UNIFORM_BUFFER_SIZE))
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return false;
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CD3D11_RASTERIZER_DESC rasterizer_desc = CD3D11_RASTERIZER_DESC(CD3D11_DEFAULT());
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rasterizer_desc.CullMode = D3D11_CULL_NONE;
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hr = m_device->CreateRasterizerState(&rasterizer_desc, m_display_rasterizer_state.GetAddressOf());
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if (FAILED(hr))
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return false;
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CD3D11_DEPTH_STENCIL_DESC depth_stencil_desc = CD3D11_DEPTH_STENCIL_DESC(CD3D11_DEFAULT());
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depth_stencil_desc.DepthEnable = FALSE;
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depth_stencil_desc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ZERO;
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hr = m_device->CreateDepthStencilState(&depth_stencil_desc, m_display_depth_stencil_state.GetAddressOf());
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if (FAILED(hr))
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return false;
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CD3D11_BLEND_DESC blend_desc = CD3D11_BLEND_DESC(CD3D11_DEFAULT());
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hr = m_device->CreateBlendState(&blend_desc, m_display_blend_state.GetAddressOf());
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if (FAILED(hr))
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return false;
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CD3D11_SAMPLER_DESC sampler_desc = CD3D11_SAMPLER_DESC(CD3D11_DEFAULT());
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sampler_desc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
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hr = m_device->CreateSamplerState(&sampler_desc, m_point_sampler.GetAddressOf());
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if (FAILED(hr))
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return false;
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sampler_desc.Filter = D3D11_FILTER_MIN_MAG_LINEAR_MIP_POINT;
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hr = m_device->CreateSamplerState(&sampler_desc, m_linear_sampler.GetAddressOf());
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if (FAILED(hr))
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return false;
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return true;
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}
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bool D3D11HostDisplay::RequestHardwareRendererContext(retro_hw_render_callback* cb)
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{
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cb->cache_context = true;
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cb->bottom_left_origin = false;
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cb->context_type = RETRO_HW_CONTEXT_DIRECT3D;
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cb->version_major = 11;
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cb->version_minor = 0;
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return g_retro_environment_callback(RETRO_ENVIRONMENT_SET_HW_RENDER, cb);
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}
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std::unique_ptr<HostDisplay> D3D11HostDisplay::Create(bool debug_device)
|
||||||
|
{
|
||||||
|
retro_hw_render_interface_d3d11 ri = {};
|
||||||
|
ri.interface_type = RETRO_HW_RENDER_INTERFACE_D3D11;
|
||||||
|
ri.interface_version = RETRO_HW_RENDER_INTERFACE_D3D11_VERSION;
|
||||||
|
|
||||||
|
if (!g_retro_environment_callback(RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE, &ri))
|
||||||
|
{
|
||||||
|
Log_ErrorPrint("Failed to get HW render interface");
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
ComPtr<ID3D11Device> device(ri.device);
|
||||||
|
ComPtr<ID3D11DeviceContext> context(ri.context);
|
||||||
|
|
||||||
|
std::unique_ptr<D3D11HostDisplay> display = std::make_unique<D3D11HostDisplay>(std::move(device), std::move(context));
|
||||||
|
if (!display->CreateD3DResources())
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
return display;
|
||||||
|
}
|
||||||
|
|
||||||
|
void D3D11HostDisplay::Render()
|
||||||
|
{
|
||||||
|
#if 0
|
||||||
|
static constexpr std::array<float, 4> clear_color = {};
|
||||||
|
m_context->ClearRenderTargetView(m_swap_chain_rtv.Get(), clear_color.data());
|
||||||
|
m_context->OMSetRenderTargets(1, m_swap_chain_rtv.GetAddressOf(), nullptr);
|
||||||
|
|
||||||
|
RenderDisplay();
|
||||||
|
|
||||||
|
if (!m_vsync && m_allow_tearing_supported)
|
||||||
|
m_swap_chain->Present(0, DXGI_PRESENT_ALLOW_TEARING);
|
||||||
|
else
|
||||||
|
m_swap_chain->Present(BoolToUInt32(m_vsync), 0);
|
||||||
|
|
||||||
|
ImGui::NewFrame();
|
||||||
|
ImGui_ImplSDL2_NewFrame(m_window);
|
||||||
|
ImGui_ImplDX11_NewFrame();
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
void D3D11HostDisplay::RenderDisplay()
|
||||||
|
{
|
||||||
|
#if 0
|
||||||
|
if (!m_display_texture_handle)
|
||||||
|
return;
|
||||||
|
|
||||||
|
const auto [vp_left, vp_top, vp_width, vp_height] =
|
||||||
|
CalculateDrawRect(m_window_width, m_window_height, m_display_top_margin);
|
||||||
|
|
||||||
|
m_context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
|
||||||
|
m_context->VSSetShader(m_display_vertex_shader.Get(), nullptr, 0);
|
||||||
|
m_context->PSSetShader(m_display_pixel_shader.Get(), nullptr, 0);
|
||||||
|
m_context->PSSetShaderResources(0, 1, reinterpret_cast<ID3D11ShaderResourceView**>(&m_display_texture_handle));
|
||||||
|
m_context->PSSetSamplers(
|
||||||
|
0, 1, m_display_linear_filtering ? m_linear_sampler.GetAddressOf() : m_point_sampler.GetAddressOf());
|
||||||
|
|
||||||
|
const float uniforms[4] = {
|
||||||
|
static_cast<float>(m_display_texture_view_x) / static_cast<float>(m_display_texture_width),
|
||||||
|
static_cast<float>(m_display_texture_view_y) / static_cast<float>(m_display_texture_height),
|
||||||
|
(static_cast<float>(m_display_texture_view_width) - 0.5f) / static_cast<float>(m_display_texture_width),
|
||||||
|
(static_cast<float>(m_display_texture_view_height) - 0.5f) / static_cast<float>(m_display_texture_height)};
|
||||||
|
const auto map = m_display_uniform_buffer.Map(m_context.Get(), sizeof(uniforms), sizeof(uniforms));
|
||||||
|
std::memcpy(map.pointer, uniforms, sizeof(uniforms));
|
||||||
|
m_display_uniform_buffer.Unmap(m_context.Get(), sizeof(uniforms));
|
||||||
|
m_context->VSSetConstantBuffers(0, 1, m_display_uniform_buffer.GetD3DBufferArray());
|
||||||
|
|
||||||
|
const CD3D11_VIEWPORT vp(static_cast<float>(vp_left), static_cast<float>(vp_top), static_cast<float>(vp_width),
|
||||||
|
static_cast<float>(vp_height));
|
||||||
|
m_context->RSSetViewports(1, &vp);
|
||||||
|
m_context->RSSetState(m_display_rasterizer_state.Get());
|
||||||
|
m_context->OMSetDepthStencilState(m_display_depth_stencil_state.Get(), 0);
|
||||||
|
m_context->OMSetBlendState(m_display_blend_state.Get(), nullptr, 0xFFFFFFFFu);
|
||||||
|
|
||||||
|
m_context->Draw(3, 0);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
62
src/duckstation-libretro/d3d11_host_display.h
Normal file
62
src/duckstation-libretro/d3d11_host_display.h
Normal file
|
|
@ -0,0 +1,62 @@
|
||||||
|
#pragma once
|
||||||
|
#include "common/d3d11/staging_texture.h"
|
||||||
|
#include "common/d3d11/stream_buffer.h"
|
||||||
|
#include "common/d3d11/texture.h"
|
||||||
|
#include "common/windows_headers.h"
|
||||||
|
#include "core/host_display.h"
|
||||||
|
#include "libretro.h"
|
||||||
|
#include <d3d11.h>
|
||||||
|
#include <memory>
|
||||||
|
#include <wrl/client.h>
|
||||||
|
|
||||||
|
class D3D11HostDisplay final : public HostDisplay
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
template<typename T>
|
||||||
|
using ComPtr = Microsoft::WRL::ComPtr<T>;
|
||||||
|
|
||||||
|
D3D11HostDisplay(ComPtr<ID3D11Device> device, ComPtr<ID3D11DeviceContext> context);
|
||||||
|
~D3D11HostDisplay();
|
||||||
|
|
||||||
|
static bool RequestHardwareRendererContext(retro_hw_render_callback* cb);
|
||||||
|
|
||||||
|
static std::unique_ptr<HostDisplay> Create(bool debug_device);
|
||||||
|
|
||||||
|
RenderAPI GetRenderAPI() const override;
|
||||||
|
void* GetRenderDevice() const override;
|
||||||
|
void* GetRenderContext() const override;
|
||||||
|
|
||||||
|
std::unique_ptr<HostDisplayTexture> CreateTexture(u32 width, u32 height, const void* data, u32 data_stride,
|
||||||
|
bool dynamic) override;
|
||||||
|
void UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* data,
|
||||||
|
u32 data_stride) override;
|
||||||
|
bool DownloadTexture(const void* texture_handle, u32 x, u32 y, u32 width, u32 height, void* out_data,
|
||||||
|
u32 out_data_stride) override;
|
||||||
|
|
||||||
|
void SetVSync(bool enabled) override;
|
||||||
|
|
||||||
|
private:
|
||||||
|
static constexpr u32 DISPLAY_UNIFORM_BUFFER_SIZE = 16;
|
||||||
|
|
||||||
|
bool CreateD3DResources();
|
||||||
|
|
||||||
|
void Render() override;
|
||||||
|
void RenderDisplay();
|
||||||
|
|
||||||
|
ComPtr<IDXGIFactory> m_dxgi_factory;
|
||||||
|
|
||||||
|
ComPtr<ID3D11Device> m_device;
|
||||||
|
ComPtr<ID3D11DeviceContext> m_context;
|
||||||
|
|
||||||
|
ComPtr<ID3D11RasterizerState> m_display_rasterizer_state;
|
||||||
|
ComPtr<ID3D11DepthStencilState> m_display_depth_stencil_state;
|
||||||
|
ComPtr<ID3D11BlendState> m_display_blend_state;
|
||||||
|
ComPtr<ID3D11VertexShader> m_display_vertex_shader;
|
||||||
|
ComPtr<ID3D11PixelShader> m_display_pixel_shader;
|
||||||
|
ComPtr<ID3D11SamplerState> m_point_sampler;
|
||||||
|
ComPtr<ID3D11SamplerState> m_linear_sampler;
|
||||||
|
|
||||||
|
D3D11::Texture m_display_pixels_texture;
|
||||||
|
D3D11::StreamBuffer m_display_uniform_buffer;
|
||||||
|
D3D11::AutoStagingTexture m_readback_staging_texture;
|
||||||
|
};
|
||||||
392
src/duckstation-libretro/duckstation-libretro.vcxproj
Normal file
392
src/duckstation-libretro/duckstation-libretro.vcxproj
Normal file
|
|
@ -0,0 +1,392 @@
|
||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||||
|
<ItemGroup Label="ProjectConfigurations">
|
||||||
|
<ProjectConfiguration Include="DebugFast|Win32">
|
||||||
|
<Configuration>DebugFast</Configuration>
|
||||||
|
<Platform>Win32</Platform>
|
||||||
|
</ProjectConfiguration>
|
||||||
|
<ProjectConfiguration Include="DebugFast|x64">
|
||||||
|
<Configuration>DebugFast</Configuration>
|
||||||
|
<Platform>x64</Platform>
|
||||||
|
</ProjectConfiguration>
|
||||||
|
<ProjectConfiguration Include="Debug|Win32">
|
||||||
|
<Configuration>Debug</Configuration>
|
||||||
|
<Platform>Win32</Platform>
|
||||||
|
</ProjectConfiguration>
|
||||||
|
<ProjectConfiguration Include="Debug|x64">
|
||||||
|
<Configuration>Debug</Configuration>
|
||||||
|
<Platform>x64</Platform>
|
||||||
|
</ProjectConfiguration>
|
||||||
|
<ProjectConfiguration Include="ReleaseLTCG|Win32">
|
||||||
|
<Configuration>ReleaseLTCG</Configuration>
|
||||||
|
<Platform>Win32</Platform>
|
||||||
|
</ProjectConfiguration>
|
||||||
|
<ProjectConfiguration Include="ReleaseLTCG|x64">
|
||||||
|
<Configuration>ReleaseLTCG</Configuration>
|
||||||
|
<Platform>x64</Platform>
|
||||||
|
</ProjectConfiguration>
|
||||||
|
<ProjectConfiguration Include="Release|Win32">
|
||||||
|
<Configuration>Release</Configuration>
|
||||||
|
<Platform>Win32</Platform>
|
||||||
|
</ProjectConfiguration>
|
||||||
|
<ProjectConfiguration Include="Release|x64">
|
||||||
|
<Configuration>Release</Configuration>
|
||||||
|
<Platform>x64</Platform>
|
||||||
|
</ProjectConfiguration>
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<ProjectReference Include="..\..\dep\imgui\imgui.vcxproj">
|
||||||
|
<Project>{bb08260f-6fbc-46af-8924-090ee71360c6}</Project>
|
||||||
|
</ProjectReference>
|
||||||
|
<ProjectReference Include="..\common\common.vcxproj">
|
||||||
|
<Project>{ee054e08-3799-4a59-a422-18259c105ffd}</Project>
|
||||||
|
</ProjectReference>
|
||||||
|
<ProjectReference Include="..\core\core.vcxproj">
|
||||||
|
<Project>{868b98c8-65a1-494b-8346-250a73a48c0a}</Project>
|
||||||
|
</ProjectReference>
|
||||||
|
<ProjectReference Include="..\scmversion\scmversion.vcxproj">
|
||||||
|
<Project>{075ced82-6a20-46df-94c7-9624ac9ddbeb}</Project>
|
||||||
|
</ProjectReference>
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<ClCompile Include="d3d11_host_display.cpp" />
|
||||||
|
<ClCompile Include="libretro_audio_stream.cpp" />
|
||||||
|
<ClCompile Include="libretro_host_display.cpp" />
|
||||||
|
<ClCompile Include="libretro_host_interface.cpp" />
|
||||||
|
<ClCompile Include="libretro_settings_interface.cpp" />
|
||||||
|
<ClCompile Include="main.cpp" />
|
||||||
|
<ClCompile Include="opengl_host_display.cpp" />
|
||||||
|
</ItemGroup>
|
||||||
|
<ItemGroup>
|
||||||
|
<ClInclude Include="d3d11_host_display.h" />
|
||||||
|
<ClInclude Include="libretro_audio_stream.h" />
|
||||||
|
<ClInclude Include="libretro_host_display.h" />
|
||||||
|
<ClInclude Include="libretro_host_interface.h" />
|
||||||
|
<ClInclude Include="libretro_settings_interface.h" />
|
||||||
|
<ClInclude Include="opengl_host_display.h" />
|
||||||
|
</ItemGroup>
|
||||||
|
<PropertyGroup Label="Globals">
|
||||||
|
<ProjectGuid>{9D206548-DE8F-4D9D-A561-C7E5CD7A20DF}</ProjectGuid>
|
||||||
|
<Keyword>Win32Proj</Keyword>
|
||||||
|
<RootNamespace>duckstation-libretro</RootNamespace>
|
||||||
|
<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
|
||||||
|
</PropertyGroup>
|
||||||
|
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
|
||||||
|
<ConfigurationType>DynamicLibrary</ConfigurationType>
|
||||||
|
<UseDebugLibraries>true</UseDebugLibraries>
|
||||||
|
<PlatformToolset>v142</PlatformToolset>
|
||||||
|
<CharacterSet>NotSet</CharacterSet>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
|
||||||
|
<ConfigurationType>DynamicLibrary</ConfigurationType>
|
||||||
|
<UseDebugLibraries>true</UseDebugLibraries>
|
||||||
|
<PlatformToolset>v142</PlatformToolset>
|
||||||
|
<CharacterSet>NotSet</CharacterSet>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='DebugFast|Win32'" Label="Configuration">
|
||||||
|
<ConfigurationType>DynamicLibrary</ConfigurationType>
|
||||||
|
<UseDebugLibraries>true</UseDebugLibraries>
|
||||||
|
<PlatformToolset>v142</PlatformToolset>
|
||||||
|
<CharacterSet>NotSet</CharacterSet>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='DebugFast|x64'" Label="Configuration">
|
||||||
|
<ConfigurationType>DynamicLibrary</ConfigurationType>
|
||||||
|
<UseDebugLibraries>true</UseDebugLibraries>
|
||||||
|
<PlatformToolset>v142</PlatformToolset>
|
||||||
|
<CharacterSet>NotSet</CharacterSet>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
|
||||||
|
<ConfigurationType>DynamicLibrary</ConfigurationType>
|
||||||
|
<UseDebugLibraries>false</UseDebugLibraries>
|
||||||
|
<PlatformToolset>v142</PlatformToolset>
|
||||||
|
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||||
|
<CharacterSet>NotSet</CharacterSet>
|
||||||
|
<SpectreMitigation>false</SpectreMitigation>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseLTCG|Win32'" Label="Configuration">
|
||||||
|
<ConfigurationType>DynamicLibrary</ConfigurationType>
|
||||||
|
<UseDebugLibraries>false</UseDebugLibraries>
|
||||||
|
<PlatformToolset>v142</PlatformToolset>
|
||||||
|
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||||
|
<CharacterSet>NotSet</CharacterSet>
|
||||||
|
<SpectreMitigation>false</SpectreMitigation>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
|
||||||
|
<ConfigurationType>DynamicLibrary</ConfigurationType>
|
||||||
|
<UseDebugLibraries>false</UseDebugLibraries>
|
||||||
|
<PlatformToolset>v142</PlatformToolset>
|
||||||
|
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||||
|
<CharacterSet>NotSet</CharacterSet>
|
||||||
|
<SpectreMitigation>false</SpectreMitigation>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseLTCG|x64'" Label="Configuration">
|
||||||
|
<ConfigurationType>DynamicLibrary</ConfigurationType>
|
||||||
|
<UseDebugLibraries>false</UseDebugLibraries>
|
||||||
|
<PlatformToolset>v142</PlatformToolset>
|
||||||
|
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||||
|
<CharacterSet>NotSet</CharacterSet>
|
||||||
|
<SpectreMitigation>false</SpectreMitigation>
|
||||||
|
</PropertyGroup>
|
||||||
|
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
|
||||||
|
<ImportGroup Label="ExtensionSettings">
|
||||||
|
</ImportGroup>
|
||||||
|
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||||
|
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||||
|
</ImportGroup>
|
||||||
|
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
|
||||||
|
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||||
|
</ImportGroup>
|
||||||
|
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='DebugFast|Win32'" Label="PropertySheets">
|
||||||
|
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||||
|
</ImportGroup>
|
||||||
|
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='DebugFast|x64'" Label="PropertySheets">
|
||||||
|
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||||
|
</ImportGroup>
|
||||||
|
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||||
|
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||||
|
</ImportGroup>
|
||||||
|
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseLTCG|Win32'" Label="PropertySheets">
|
||||||
|
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||||
|
</ImportGroup>
|
||||||
|
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
|
||||||
|
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||||
|
</ImportGroup>
|
||||||
|
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseLTCG|x64'" Label="PropertySheets">
|
||||||
|
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||||
|
</ImportGroup>
|
||||||
|
<PropertyGroup Label="UserMacros" />
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||||
|
<LinkIncremental>true</LinkIncremental>
|
||||||
|
<OutDir>$(SolutionDir)bin\$(Platform)\</OutDir>
|
||||||
|
<IntDir>$(SolutionDir)build\$(ProjectName)-$(Platform)-$(Configuration)\</IntDir>
|
||||||
|
<TargetName>$(ProjectName)-$(Platform)-$(Configuration)</TargetName>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||||
|
<IntDir>$(SolutionDir)build\$(ProjectName)-$(Platform)-$(Configuration)\</IntDir>
|
||||||
|
<TargetName>$(ProjectName)-$(Platform)-$(Configuration)</TargetName>
|
||||||
|
<LinkIncremental>true</LinkIncremental>
|
||||||
|
<OutDir>$(SolutionDir)bin\$(Platform)\</OutDir>
|
||||||
|
</PropertyGroup>
|
||||||
|
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='DebugFast|Win32'">
|
||||||
|
<LinkIncremental>true</LinkIncremental>
|
||||||
|
<OutDir>$(SolutionDir)bin\$(Platform)\</OutDir>
|
||||||
|
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|
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|
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|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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||||||
23
src/duckstation-libretro/libretro_audio_stream.cpp
Normal file
23
src/duckstation-libretro/libretro_audio_stream.cpp
Normal file
|
|
@ -0,0 +1,23 @@
|
||||||
|
#include "libretro_audio_stream.h"
|
||||||
|
#include "libretro_host_interface.h"
|
||||||
|
|
||||||
|
LibretroAudioStream::LibretroAudioStream() = default;
|
||||||
|
|
||||||
|
LibretroAudioStream::~LibretroAudioStream() = default;
|
||||||
|
|
||||||
|
bool LibretroAudioStream::OpenDevice()
|
||||||
|
{
|
||||||
|
m_output_buffer.resize(m_buffer_size * m_channels);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroAudioStream::PauseDevice(bool paused) {}
|
||||||
|
|
||||||
|
void LibretroAudioStream::CloseDevice() {}
|
||||||
|
|
||||||
|
void LibretroAudioStream::FramesAvailable()
|
||||||
|
{
|
||||||
|
const u32 num_frames = GetSamplesAvailable();
|
||||||
|
ReadFrames(m_output_buffer.data(), num_frames, false);
|
||||||
|
g_retro_audio_sample_batch_callback(m_output_buffer.data(), num_frames);
|
||||||
|
}
|
||||||
21
src/duckstation-libretro/libretro_audio_stream.h
Normal file
21
src/duckstation-libretro/libretro_audio_stream.h
Normal file
|
|
@ -0,0 +1,21 @@
|
||||||
|
#pragma once
|
||||||
|
#include "common/audio_stream.h"
|
||||||
|
#include <cstdint>
|
||||||
|
#include <vector>
|
||||||
|
|
||||||
|
class LibretroAudioStream final : public AudioStream
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
LibretroAudioStream();
|
||||||
|
~LibretroAudioStream();
|
||||||
|
|
||||||
|
protected:
|
||||||
|
bool OpenDevice() override;
|
||||||
|
void PauseDevice(bool paused) override;
|
||||||
|
void CloseDevice() override;
|
||||||
|
void FramesAvailable() override;
|
||||||
|
|
||||||
|
private:
|
||||||
|
// TODO: Optimize this buffer away.
|
||||||
|
std::vector<SampleType> m_output_buffer;
|
||||||
|
};
|
||||||
150
src/duckstation-libretro/libretro_host_display.cpp
Normal file
150
src/duckstation-libretro/libretro_host_display.cpp
Normal file
|
|
@ -0,0 +1,150 @@
|
||||||
|
#include "libretro_host_display.h"
|
||||||
|
#include "libretro_host_interface.h"
|
||||||
|
#include "common/assert.h"
|
||||||
|
#include "common/log.h"
|
||||||
|
#include "libretro.h"
|
||||||
|
#include <array>
|
||||||
|
#include <tuple>
|
||||||
|
Log_SetChannel(LibretroHostDisplay);
|
||||||
|
|
||||||
|
class LibretroDisplayTexture : public HostDisplayTexture
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
LibretroDisplayTexture(u32 width, u32 height) : m_width(width), m_height(height), m_data(width * height) {}
|
||||||
|
~LibretroDisplayTexture() override = default;
|
||||||
|
|
||||||
|
void* GetHandle() const override { return const_cast<LibretroDisplayTexture*>(this); }
|
||||||
|
u32 GetWidth() const override { return m_width; }
|
||||||
|
u32 GetHeight() const override { return m_height; }
|
||||||
|
|
||||||
|
const u32* GetData() const { return m_data.data(); }
|
||||||
|
u32 GetDataPitch() const { return m_width * sizeof(u32); }
|
||||||
|
|
||||||
|
static void SwapAndCopy(void* dst, const void* src, u32 count)
|
||||||
|
{
|
||||||
|
// RGBA -> BGRX conversion
|
||||||
|
u8* dst_ptr = static_cast<u8*>(dst);
|
||||||
|
const u8* src_ptr = static_cast<const u8*>(src);
|
||||||
|
|
||||||
|
for (u32 i = 0; i < count; i++)
|
||||||
|
{
|
||||||
|
u32 sval;
|
||||||
|
std::memcpy(&sval, src_ptr, sizeof(sval));
|
||||||
|
src_ptr += sizeof(sval);
|
||||||
|
const u32 dval = (sval & 0xFF00FF00u) | ((sval & 0xFF) << 16) | ((sval >> 16) & 0xFFu);
|
||||||
|
std::memcpy(dst_ptr, &dval, sizeof(dval));
|
||||||
|
dst_ptr += sizeof(dval);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void Read(u32 x, u32 y, u32 width, u32 height, void* data, u32 data_stride) const
|
||||||
|
{
|
||||||
|
u8* data_ptr = static_cast<u8*>(data);
|
||||||
|
const u32* in_ptr = m_data.data() + y * m_width + x;
|
||||||
|
for (u32 i = 0; i < height; i++)
|
||||||
|
{
|
||||||
|
SwapAndCopy(data_ptr, in_ptr, width);
|
||||||
|
data_ptr += data_stride;
|
||||||
|
in_ptr += m_width;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void Write(u32 x, u32 y, u32 width, u32 height, const void* data, u32 data_stride)
|
||||||
|
{
|
||||||
|
const u8* data_ptr = static_cast<const u8*>(data);
|
||||||
|
u32* out_ptr = m_data.data() + y * m_width + x;
|
||||||
|
for (u32 i = 0; i < height; i++)
|
||||||
|
{
|
||||||
|
SwapAndCopy(out_ptr, data_ptr, width);
|
||||||
|
data_ptr += data_stride;
|
||||||
|
out_ptr += m_width;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static std::unique_ptr<LibretroDisplayTexture> Create(u32 width, u32 height, const void* initial_data,
|
||||||
|
u32 initial_data_stride)
|
||||||
|
{
|
||||||
|
std::unique_ptr<LibretroDisplayTexture> tex = std::make_unique<LibretroDisplayTexture>(width, height);
|
||||||
|
if (initial_data)
|
||||||
|
tex->Write(0, 0, width, height, initial_data, initial_data_stride);
|
||||||
|
|
||||||
|
return tex;
|
||||||
|
}
|
||||||
|
|
||||||
|
private:
|
||||||
|
u32 m_width;
|
||||||
|
u32 m_height;
|
||||||
|
std::vector<u32> m_data;
|
||||||
|
};
|
||||||
|
|
||||||
|
LibretroHostDisplay::LibretroHostDisplay()
|
||||||
|
{
|
||||||
|
// switch to a 32-bit buffer
|
||||||
|
retro_pixel_format pf = RETRO_PIXEL_FORMAT_XRGB8888;
|
||||||
|
if (!g_retro_environment_callback(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &pf))
|
||||||
|
Log_ErrorPrint("Failed to set pixel format to XRGB8888");
|
||||||
|
}
|
||||||
|
|
||||||
|
LibretroHostDisplay::~LibretroHostDisplay() = default;
|
||||||
|
|
||||||
|
HostDisplay::RenderAPI LibretroHostDisplay::GetRenderAPI() const
|
||||||
|
{
|
||||||
|
return RenderAPI::None;
|
||||||
|
}
|
||||||
|
|
||||||
|
void* LibretroHostDisplay::GetRenderDevice() const
|
||||||
|
{
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
void* LibretroHostDisplay::GetRenderContext() const
|
||||||
|
{
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostDisplay::WindowResized(s32 new_window_width, s32 new_window_height) {}
|
||||||
|
|
||||||
|
std::unique_ptr<HostDisplayTexture> LibretroHostDisplay::CreateTexture(u32 width, u32 height, const void* data,
|
||||||
|
u32 data_stride, bool dynamic)
|
||||||
|
{
|
||||||
|
return LibretroDisplayTexture::Create(width, height, data, data_stride);
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostDisplay::UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height,
|
||||||
|
const void* data, u32 data_stride)
|
||||||
|
{
|
||||||
|
static_cast<LibretroDisplayTexture*>(texture)->Write(x, y, width, height, data, data_stride);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LibretroHostDisplay::DownloadTexture(const void* texture_handle, u32 x, u32 y, u32 width, u32 height,
|
||||||
|
void* out_data, u32 out_data_stride)
|
||||||
|
{
|
||||||
|
static_cast<const LibretroDisplayTexture*>(texture_handle)->Read(x, y, width, height, out_data, out_data_stride);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostDisplay::SetVSync(bool enabled) {}
|
||||||
|
|
||||||
|
void LibretroHostDisplay::Render()
|
||||||
|
{
|
||||||
|
if (m_display_texture_view_width != m_last_display_width || m_display_texture_view_height != m_last_display_height)
|
||||||
|
{
|
||||||
|
retro_game_geometry geom = {};
|
||||||
|
geom.base_width = m_display_width;
|
||||||
|
geom.base_height = m_display_height;
|
||||||
|
geom.aspect_ratio = m_display_pixel_aspect_ratio;
|
||||||
|
|
||||||
|
if (!g_retro_environment_callback(RETRO_ENVIRONMENT_SET_GEOMETRY, &geom))
|
||||||
|
Log_WarningPrint("RETRO_ENVIRONMENT_SET_GEOMETRY failed");
|
||||||
|
|
||||||
|
m_last_display_width = m_display_texture_view_width;
|
||||||
|
m_last_display_height = m_display_texture_view_height;
|
||||||
|
}
|
||||||
|
|
||||||
|
// TODO: padding...
|
||||||
|
if (m_display_texture_handle)
|
||||||
|
{
|
||||||
|
const LibretroDisplayTexture* tex = static_cast<const LibretroDisplayTexture*>(m_display_texture_handle);
|
||||||
|
g_retro_video_refresh_callback(tex->GetData() + m_display_texture_view_y * tex->GetWidth() + m_display_texture_view_x, m_display_texture_view_width, m_display_texture_view_height , tex->GetDataPitch());
|
||||||
|
}
|
||||||
|
}
|
||||||
30
src/duckstation-libretro/libretro_host_display.h
Normal file
30
src/duckstation-libretro/libretro_host_display.h
Normal file
|
|
@ -0,0 +1,30 @@
|
||||||
|
#pragma once
|
||||||
|
#include "core/host_display.h"
|
||||||
|
#include <memory>
|
||||||
|
|
||||||
|
class LibretroHostDisplay final : public HostDisplay
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
LibretroHostDisplay();
|
||||||
|
~LibretroHostDisplay();
|
||||||
|
|
||||||
|
RenderAPI GetRenderAPI() const override;
|
||||||
|
void* GetRenderDevice() const override;
|
||||||
|
void* GetRenderContext() const override;
|
||||||
|
void WindowResized(s32 new_window_width, s32 new_window_height) override;
|
||||||
|
|
||||||
|
std::unique_ptr<HostDisplayTexture> CreateTexture(u32 width, u32 height, const void* data, u32 data_stride,
|
||||||
|
bool dynamic) override;
|
||||||
|
void UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* data,
|
||||||
|
u32 data_stride) override;
|
||||||
|
bool DownloadTexture(const void* texture_handle, u32 x, u32 y, u32 width, u32 height, void* out_data,
|
||||||
|
u32 out_data_stride) override;
|
||||||
|
|
||||||
|
void SetVSync(bool enabled) override;
|
||||||
|
|
||||||
|
void Render() override;
|
||||||
|
|
||||||
|
private:
|
||||||
|
s32 m_last_display_width = -1;
|
||||||
|
s32 m_last_display_height = -1;
|
||||||
|
};
|
||||||
415
src/duckstation-libretro/libretro_host_interface.cpp
Normal file
415
src/duckstation-libretro/libretro_host_interface.cpp
Normal file
|
|
@ -0,0 +1,415 @@
|
||||||
|
#include "libretro_host_interface.h"
|
||||||
|
#include "common/assert.h"
|
||||||
|
#include "common/file_system.h"
|
||||||
|
#include "common/log.h"
|
||||||
|
#include "common/string_util.h"
|
||||||
|
#include "core/analog_controller.h"
|
||||||
|
#include "core/digital_controller.h"
|
||||||
|
#include "core/gpu.h"
|
||||||
|
#include "core/system.h"
|
||||||
|
#include "libretro_audio_stream.h"
|
||||||
|
#include "libretro_host_display.h"
|
||||||
|
#include "libretro_settings_interface.h"
|
||||||
|
#include "opengl_host_display.h"
|
||||||
|
#include <array>
|
||||||
|
#include <cstring>
|
||||||
|
#include <tuple>
|
||||||
|
#include <utility>
|
||||||
|
#include <vector>
|
||||||
|
Log_SetChannel(LibretroHostInterface);
|
||||||
|
|
||||||
|
#ifdef WIN32
|
||||||
|
#include "d3d11_host_display.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
//////////////////////////////////////////////////////////////////////////
|
||||||
|
// TODO:
|
||||||
|
// - Fix up D3D11
|
||||||
|
// - Save states
|
||||||
|
// - Expose the rest of the options
|
||||||
|
// - Memory card and controller settings
|
||||||
|
// - Better paths for memory cards/BIOS
|
||||||
|
// - Fix up aspect ratio
|
||||||
|
//////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
LibretroHostInterface g_libretro_host_interface;
|
||||||
|
|
||||||
|
retro_environment_t g_retro_environment_callback;
|
||||||
|
retro_video_refresh_t g_retro_video_refresh_callback;
|
||||||
|
retro_audio_sample_t g_retro_audio_sample_callback;
|
||||||
|
retro_audio_sample_batch_t g_retro_audio_sample_batch_callback;
|
||||||
|
retro_input_poll_t g_retro_input_poll_callback;
|
||||||
|
retro_input_state_t g_retro_input_state_callback;
|
||||||
|
|
||||||
|
LibretroHostInterface::LibretroHostInterface() = default;
|
||||||
|
|
||||||
|
LibretroHostInterface::~LibretroHostInterface() = default;
|
||||||
|
|
||||||
|
bool LibretroHostInterface::Initialize()
|
||||||
|
{
|
||||||
|
if (!HostInterface::Initialize())
|
||||||
|
return false;
|
||||||
|
|
||||||
|
LoadSettings();
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::Shutdown()
|
||||||
|
{
|
||||||
|
HostInterface::Shutdown();
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::ReportError(const char* message)
|
||||||
|
{
|
||||||
|
Log_ErrorPrint(message);
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::ReportMessage(const char* message)
|
||||||
|
{
|
||||||
|
Log_InfoPrint(message);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LibretroHostInterface::ConfirmMessage(const char* message)
|
||||||
|
{
|
||||||
|
Log_InfoPrintf("Confirm: %s", message);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::retro_get_system_av_info(struct retro_system_av_info* info)
|
||||||
|
{
|
||||||
|
Assert(m_system);
|
||||||
|
|
||||||
|
std::memset(info, 0, sizeof(*info));
|
||||||
|
|
||||||
|
info->geometry.aspect_ratio = 4.0f / 3.0f;
|
||||||
|
|
||||||
|
if (!m_system->IsPALRegion())
|
||||||
|
{
|
||||||
|
info->geometry.base_width = 640;
|
||||||
|
info->geometry.base_height = 480;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
info->geometry.base_width = 720;
|
||||||
|
info->geometry.base_height = 576;
|
||||||
|
}
|
||||||
|
|
||||||
|
info->geometry.max_width = 1024;
|
||||||
|
info->geometry.max_height = 512;
|
||||||
|
|
||||||
|
info->timing.fps = m_system->GetThrottleFrequency();
|
||||||
|
info->timing.sample_rate = static_cast<double>(AUDIO_SAMPLE_RATE);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LibretroHostInterface::retro_load_game(const struct retro_game_info* game)
|
||||||
|
{
|
||||||
|
SystemBootParameters bp;
|
||||||
|
bp.filename = game->path;
|
||||||
|
|
||||||
|
if (!BootSystem(bp))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
RequestHardwareRendererContext();
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::retro_run_frame()
|
||||||
|
{
|
||||||
|
Assert(m_system);
|
||||||
|
|
||||||
|
UpdateControllers();
|
||||||
|
|
||||||
|
m_system->GetGPU()->RestoreGraphicsAPIState();
|
||||||
|
|
||||||
|
m_system->RunFrame();
|
||||||
|
|
||||||
|
m_system->GetGPU()->ResetGraphicsAPIState();
|
||||||
|
|
||||||
|
m_display->Render();
|
||||||
|
}
|
||||||
|
|
||||||
|
unsigned LibretroHostInterface::retro_get_region()
|
||||||
|
{
|
||||||
|
return m_system->IsPALRegion() ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LibretroHostInterface::AcquireHostDisplay()
|
||||||
|
{
|
||||||
|
// start in software mode, switch to hardware later
|
||||||
|
m_display = new LibretroHostDisplay();
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::ReleaseHostDisplay()
|
||||||
|
{
|
||||||
|
delete m_display;
|
||||||
|
m_display = nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::unique_ptr<AudioStream> LibretroHostInterface::CreateAudioStream(AudioBackend backend)
|
||||||
|
{
|
||||||
|
return std::make_unique<LibretroAudioStream>();
|
||||||
|
}
|
||||||
|
|
||||||
|
static std::array<retro_core_option_definition, 14> s_option_definitions = {{
|
||||||
|
{"Console.Region",
|
||||||
|
"Console Region",
|
||||||
|
"Determines which region/hardware to emulate. Auto-Detect will use the region of the disc inserted.",
|
||||||
|
{{"Auto", "Auto-Detect"},
|
||||||
|
{"NTSC-J", "NTSC-J (Japan)"},
|
||||||
|
{"NTSC-U", "NTSC-U (US)"},
|
||||||
|
{"PAL", "PAL (Europe, Australia)"}},
|
||||||
|
"Auto"},
|
||||||
|
{"BIOS.FastBoot",
|
||||||
|
"Fast Boot",
|
||||||
|
"Skips the BIOS shell/intro, booting directly into the game. Usually safe to enable, but some games break.",
|
||||||
|
{{"true", "Enabled"}, {"false", "Disabled"}},
|
||||||
|
"false"},
|
||||||
|
{"CDROM.RegionCheck",
|
||||||
|
"CD-ROM Region Check",
|
||||||
|
"Prevents discs from incorrect regions being read by the emulator. Usually safe to disable.",
|
||||||
|
{{"true", "Enabled"}, {"false", "Disabled"}},
|
||||||
|
"false"},
|
||||||
|
{"CDROM.ReadThread",
|
||||||
|
"CD-ROM Read Thread",
|
||||||
|
"Reads CD-ROM sectors ahead asynchronously, reducing the risk of frame time spikes.",
|
||||||
|
{{"true", "Enabled"}, {"false", "Disabled"}},
|
||||||
|
"true"},
|
||||||
|
{"CPU.ExecutionMode",
|
||||||
|
"CPU Execution Mode",
|
||||||
|
"Which mode to use for CPU emulation. Recompiler provides the best performance.",
|
||||||
|
{{"Interpreter", "Interpreter"}, {"CachedIntepreter", "Cached Interpreter"}, {"Recompiler", "Recompiler"}},
|
||||||
|
"Recompiler"},
|
||||||
|
{"GPU.Renderer",
|
||||||
|
"GPU Renderer",
|
||||||
|
"Which renderer to use to emulate the GPU",
|
||||||
|
{
|
||||||
|
#ifdef WIN32
|
||||||
|
{"D3D11", "Hardware (D3D11)"},
|
||||||
|
#endif
|
||||||
|
{"OpenGL", "Hardware (OpenGL)"},
|
||||||
|
{"Software", "Software"}},
|
||||||
|
"OpenGL"},
|
||||||
|
{"GPU.ResolutionScale",
|
||||||
|
"Rendering Resolution Scale",
|
||||||
|
"Scales internal rendering resolution by the specified multiplier. Larger values are slower. Some games require "
|
||||||
|
"1x rendering resolution or they will have rendering issues.",
|
||||||
|
{{"1", "1x (1024x512)"},
|
||||||
|
{"2", "2x (2048x1024)"},
|
||||||
|
{"3", "3x (3072x1536)"},
|
||||||
|
{"4", "4x (4096x2048)"},
|
||||||
|
{"5", "5x (5120x2160)"},
|
||||||
|
{"6", "6x (6144x3072)"},
|
||||||
|
{"7", "7x (7168x3584)"},
|
||||||
|
{"8", "8x (8192x4096)"}},
|
||||||
|
"1"},
|
||||||
|
{"GPU.TrueColor",
|
||||||
|
"True Color Rendering",
|
||||||
|
"Disables dithering and uses the full 8 bits per channel of color information. May break rendering in some games.",
|
||||||
|
{{"true", "Enabled"}, {"false", "Disabled"}},
|
||||||
|
"false"},
|
||||||
|
{"GPU.ScaledDithering",
|
||||||
|
"Scaled Dithering",
|
||||||
|
"Scales the dithering pattern with the internal rendering resolution, making it less noticeable. Usually safe to "
|
||||||
|
"enable.",
|
||||||
|
{{"true", "Enabled"}, {"false", "Disabled"}},
|
||||||
|
"true"},
|
||||||
|
{"GPU.DisableInterlacing",
|
||||||
|
"Disable Interlacing",
|
||||||
|
"Disables interlaced rendering and display in the GPU. Some games can render in 480p this way, but others will "
|
||||||
|
"break.",
|
||||||
|
{{"true", "Enabled"}, {"false", "Disabled"}},
|
||||||
|
"false"},
|
||||||
|
{"GPU.ForceNTSCTimings",
|
||||||
|
"Force NTSC Timings",
|
||||||
|
"Forces PAL games to run at NTSC timings, i.e. 60hz. Some PAL games will run at their \"normal\" speeds, while "
|
||||||
|
"others will break.",
|
||||||
|
{{"true", "Enabled"}, {"false", "Disabled"}},
|
||||||
|
"false"},
|
||||||
|
{"Display.CropMode",
|
||||||
|
"Crop Mode",
|
||||||
|
"Changes how much of the image is cropped. Some games display garbage in the overscan area which is typically "
|
||||||
|
"hidden.",
|
||||||
|
{{"None", "None"}, {"Overscan", "Only Overscan Area"}, {"Borders", "All Borders"}},
|
||||||
|
"Overscan"},
|
||||||
|
{"Display.PixelAspectRatio",
|
||||||
|
"Pixel Aspect Ratio",
|
||||||
|
"Determines how the pixels in VRAM area are displayed on the screen.",
|
||||||
|
{{"4:3", "4:3"}, {"16:9", "16:9"}, {"1:1", "1:1"}},
|
||||||
|
"4:3"},
|
||||||
|
{},
|
||||||
|
}};
|
||||||
|
|
||||||
|
bool LibretroHostInterface::SetCoreOptions()
|
||||||
|
{
|
||||||
|
unsigned options_version = 0;
|
||||||
|
if (g_retro_environment_callback(RETRO_ENVIRONMENT_GET_CORE_OPTIONS_VERSION, &options_version) &&
|
||||||
|
options_version >= 1)
|
||||||
|
{
|
||||||
|
return g_retro_environment_callback(RETRO_ENVIRONMENT_SET_CORE_OPTIONS, &s_option_definitions);
|
||||||
|
}
|
||||||
|
|
||||||
|
// use legacy options struct, which sucks. do we need to?
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::LoadSettings()
|
||||||
|
{
|
||||||
|
LibretroSettingsInterface si;
|
||||||
|
m_settings.Load(si);
|
||||||
|
|
||||||
|
// Overrides
|
||||||
|
m_settings.log_level = LOGLEVEL_DEV;
|
||||||
|
m_settings.log_to_console = true;
|
||||||
|
|
||||||
|
// start in software, switch later
|
||||||
|
m_settings.gpu_renderer = GPURenderer::Software;
|
||||||
|
|
||||||
|
// Assume BIOS files are located in system directory.
|
||||||
|
const char* system_directory = nullptr;
|
||||||
|
if (!g_retro_environment_callback(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &system_directory) || !system_directory)
|
||||||
|
system_directory = "bios";
|
||||||
|
m_settings.bios_path =
|
||||||
|
StringUtil::StdStringFromFormat("%s%cscph1001.bin", system_directory, FS_OSPATH_SEPERATOR_CHARACTER);
|
||||||
|
|
||||||
|
// TODOs - expose via config
|
||||||
|
m_settings.controller_types[0] = ControllerType::DigitalController;
|
||||||
|
m_settings.controller_types[1] = ControllerType::None;
|
||||||
|
m_settings.memory_card_types[0] = MemoryCardType::None;
|
||||||
|
m_settings.memory_card_types[1] = MemoryCardType::None;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::UpdateSettings()
|
||||||
|
{
|
||||||
|
Settings old_settings(std::move(m_settings));
|
||||||
|
LoadSettings();
|
||||||
|
CheckForSettingsChanges(old_settings);
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::UpdateControllers()
|
||||||
|
{
|
||||||
|
g_retro_input_poll_callback();
|
||||||
|
|
||||||
|
for (u32 i = 0; i < NUM_CONTROLLER_AND_CARD_PORTS; i++)
|
||||||
|
{
|
||||||
|
switch (m_settings.controller_types[i])
|
||||||
|
{
|
||||||
|
case ControllerType::None:
|
||||||
|
break;
|
||||||
|
|
||||||
|
case ControllerType::DigitalController:
|
||||||
|
UpdateControllersDigitalController(i);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
Log_ErrorPrintf("Unhandled controller type '%s'",
|
||||||
|
Settings::GetControllerTypeDisplayName(m_settings.controller_types[i]));
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::UpdateControllersDigitalController(u32 index)
|
||||||
|
{
|
||||||
|
DigitalController* controller = static_cast<DigitalController*>(m_system->GetController(index));
|
||||||
|
DebugAssert(controller);
|
||||||
|
|
||||||
|
static constexpr std::array<std::pair<DigitalController::Button, u32>, 14> mapping = {
|
||||||
|
{{DigitalController::Button::Left, RETRO_DEVICE_ID_JOYPAD_LEFT},
|
||||||
|
{DigitalController::Button::Right, RETRO_DEVICE_ID_JOYPAD_RIGHT},
|
||||||
|
{DigitalController::Button::Up, RETRO_DEVICE_ID_JOYPAD_UP},
|
||||||
|
{DigitalController::Button::Down, RETRO_DEVICE_ID_JOYPAD_DOWN},
|
||||||
|
{DigitalController::Button::Circle, RETRO_DEVICE_ID_JOYPAD_A},
|
||||||
|
{DigitalController::Button::Cross, RETRO_DEVICE_ID_JOYPAD_B},
|
||||||
|
{DigitalController::Button::Triangle, RETRO_DEVICE_ID_JOYPAD_X},
|
||||||
|
{DigitalController::Button::Square, RETRO_DEVICE_ID_JOYPAD_Y},
|
||||||
|
{DigitalController::Button::Start, RETRO_DEVICE_ID_JOYPAD_START},
|
||||||
|
{DigitalController::Button::Select, RETRO_DEVICE_ID_JOYPAD_SELECT},
|
||||||
|
{DigitalController::Button::L1, RETRO_DEVICE_ID_JOYPAD_L},
|
||||||
|
{DigitalController::Button::L2, RETRO_DEVICE_ID_JOYPAD_L2},
|
||||||
|
{DigitalController::Button::R1, RETRO_DEVICE_ID_JOYPAD_R},
|
||||||
|
{DigitalController::Button::R2, RETRO_DEVICE_ID_JOYPAD_R2}}};
|
||||||
|
|
||||||
|
for (const auto& it : mapping)
|
||||||
|
{
|
||||||
|
const int16_t state = g_retro_input_state_callback(index, RETRO_DEVICE_JOYPAD, 0, it.second);
|
||||||
|
controller->SetButtonState(it.first, state != 0);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LibretroHostInterface::RequestHardwareRendererContext()
|
||||||
|
{
|
||||||
|
GPURenderer renderer = Settings::DEFAULT_GPU_RENDERER;
|
||||||
|
retro_variable renderer_variable{"GPU.Renderer", "OpenGL"};
|
||||||
|
if (g_retro_environment_callback(RETRO_ENVIRONMENT_GET_VARIABLE, &renderer_variable) && renderer_variable.value)
|
||||||
|
renderer = Settings::ParseRendererName(renderer_variable.value).value_or(Settings::DEFAULT_GPU_RENDERER);
|
||||||
|
|
||||||
|
if (renderer == GPURenderer::Software)
|
||||||
|
return true;
|
||||||
|
|
||||||
|
m_hw_render_callback = {};
|
||||||
|
m_hw_render_callback.context_reset = HardwareRendererContextReset;
|
||||||
|
m_hw_render_callback.context_destroy = HardwareRendererContextDestroy;
|
||||||
|
|
||||||
|
#ifdef WIN32
|
||||||
|
if (renderer == GPURenderer::HardwareD3D11 && false)
|
||||||
|
return D3D11HostDisplay::RequestHardwareRendererContext(&m_hw_render_callback);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
if (renderer == GPURenderer::HardwareOpenGL)
|
||||||
|
return OpenGLHostDisplay::RequestHardwareRendererContext(&m_hw_render_callback);
|
||||||
|
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::HardwareRendererContextReset()
|
||||||
|
{
|
||||||
|
Log_InfoPrintf("Hardware context reset, type = %u",
|
||||||
|
static_cast<unsigned>(g_libretro_host_interface.m_hw_render_callback.context_type));
|
||||||
|
|
||||||
|
std::unique_ptr<HostDisplay> new_display = nullptr;
|
||||||
|
GPURenderer new_renderer = GPURenderer::Software;
|
||||||
|
|
||||||
|
switch (g_libretro_host_interface.m_hw_render_callback.context_type)
|
||||||
|
{
|
||||||
|
case RETRO_HW_CONTEXT_OPENGL:
|
||||||
|
case RETRO_HW_CONTEXT_OPENGL_CORE:
|
||||||
|
case RETRO_HW_CONTEXT_OPENGLES3:
|
||||||
|
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
|
||||||
|
new_display = OpenGLHostDisplay::Create(g_libretro_host_interface.m_settings.gpu_use_debug_device);
|
||||||
|
new_renderer = GPURenderer::HardwareOpenGL;
|
||||||
|
break;
|
||||||
|
|
||||||
|
#ifdef WIN32
|
||||||
|
case RETRO_HW_CONTEXT_DIRECT3D:
|
||||||
|
new_display = D3D11HostDisplay::Create(g_libretro_host_interface.m_settings.gpu_use_debug_device);
|
||||||
|
new_renderer = GPURenderer::HardwareD3D11;
|
||||||
|
break;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!new_display)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("Failed to create hardware host display");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
HostDisplay* old_display = g_libretro_host_interface.m_display;
|
||||||
|
g_libretro_host_interface.m_display = new_display.release();
|
||||||
|
g_libretro_host_interface.m_settings.gpu_renderer = new_renderer;
|
||||||
|
g_libretro_host_interface.m_system->RecreateGPU(new_renderer);
|
||||||
|
delete old_display;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroHostInterface::HardwareRendererContextDestroy()
|
||||||
|
{
|
||||||
|
// switch back to software
|
||||||
|
HostDisplay* old_display = g_libretro_host_interface.m_display;
|
||||||
|
g_libretro_host_interface.m_display = new LibretroHostDisplay();
|
||||||
|
g_libretro_host_interface.m_settings.gpu_renderer = GPURenderer::Software;
|
||||||
|
g_libretro_host_interface.m_system->RecreateGPU(GPURenderer::Software);
|
||||||
|
delete old_display;
|
||||||
|
}
|
||||||
57
src/duckstation-libretro/libretro_host_interface.h
Normal file
57
src/duckstation-libretro/libretro_host_interface.h
Normal file
|
|
@ -0,0 +1,57 @@
|
||||||
|
#pragma once
|
||||||
|
#include "core/host_interface.h"
|
||||||
|
#include "core/system.h"
|
||||||
|
#include "libretro.h"
|
||||||
|
|
||||||
|
class LibretroHostInterface : public HostInterface
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
LibretroHostInterface();
|
||||||
|
~LibretroHostInterface() override;
|
||||||
|
|
||||||
|
static bool SetCoreOptions();
|
||||||
|
|
||||||
|
bool Initialize() override;
|
||||||
|
void Shutdown() override;
|
||||||
|
|
||||||
|
void ReportError(const char* message) override;
|
||||||
|
void ReportMessage(const char* message) override;
|
||||||
|
bool ConfirmMessage(const char* message) override;
|
||||||
|
|
||||||
|
const retro_hw_render_callback& GetHWRenderCallback() const { return m_hw_render_callback; }
|
||||||
|
|
||||||
|
// Called by frontend
|
||||||
|
void retro_get_system_av_info(struct retro_system_av_info* info);
|
||||||
|
bool retro_load_game(const struct retro_game_info* game);
|
||||||
|
void retro_run_frame();
|
||||||
|
unsigned retro_get_region();
|
||||||
|
|
||||||
|
protected:
|
||||||
|
bool AcquireHostDisplay() override;
|
||||||
|
void ReleaseHostDisplay() override;
|
||||||
|
std::unique_ptr<AudioStream> CreateAudioStream(AudioBackend backend) override;
|
||||||
|
|
||||||
|
private:
|
||||||
|
void LoadSettings();
|
||||||
|
void UpdateSettings();
|
||||||
|
void UpdateControllers();
|
||||||
|
void UpdateControllersDigitalController(u32 index);
|
||||||
|
|
||||||
|
// Hardware renderer setup.
|
||||||
|
bool RequestHardwareRendererContext();
|
||||||
|
|
||||||
|
static void HardwareRendererContextReset();
|
||||||
|
static void HardwareRendererContextDestroy();
|
||||||
|
|
||||||
|
retro_hw_render_callback m_hw_render_callback = {};
|
||||||
|
};
|
||||||
|
|
||||||
|
extern LibretroHostInterface g_libretro_host_interface;
|
||||||
|
|
||||||
|
// libretro callbacks
|
||||||
|
extern retro_environment_t g_retro_environment_callback;
|
||||||
|
extern retro_video_refresh_t g_retro_video_refresh_callback;
|
||||||
|
extern retro_audio_sample_t g_retro_audio_sample_callback;
|
||||||
|
extern retro_audio_sample_batch_t g_retro_audio_sample_batch_callback;
|
||||||
|
extern retro_input_poll_t g_retro_input_poll_callback;
|
||||||
|
extern retro_input_state_t g_retro_input_state_callback;
|
||||||
116
src/duckstation-libretro/libretro_settings_interface.cpp
Normal file
116
src/duckstation-libretro/libretro_settings_interface.cpp
Normal file
|
|
@ -0,0 +1,116 @@
|
||||||
|
#include "libretro_settings_interface.h"
|
||||||
|
#include "common/log.h"
|
||||||
|
#include "common/string_util.h"
|
||||||
|
#include "libretro_host_interface.h"
|
||||||
|
#include <type_traits>
|
||||||
|
Log_SetChannel(LibretroSettingsInterface);
|
||||||
|
|
||||||
|
template<typename T, typename DefaultValueType>
|
||||||
|
static T GetVariable(const char* section, const char* key, DefaultValueType default_value)
|
||||||
|
{
|
||||||
|
TinyString full_key;
|
||||||
|
full_key.Format("%s.%s", section, key);
|
||||||
|
|
||||||
|
retro_variable rv = {full_key.GetCharArray(), nullptr};
|
||||||
|
if (!g_retro_environment_callback(RETRO_ENVIRONMENT_GET_VARIABLE, &rv) || !rv.value)
|
||||||
|
return T(default_value);
|
||||||
|
|
||||||
|
if constexpr (std::is_same_v<T, std::string>)
|
||||||
|
{
|
||||||
|
return T(rv.value);
|
||||||
|
}
|
||||||
|
else if constexpr (std::is_same_v<T, bool>)
|
||||||
|
{
|
||||||
|
return (StringUtil::Strcasecmp(rv.value, "true") == 0 || StringUtil::Strcasecmp(rv.value, "1") == 0);
|
||||||
|
}
|
||||||
|
else if constexpr (std::is_same_v<T, float>)
|
||||||
|
{
|
||||||
|
return std::strtof(rv.value, nullptr);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
std::optional<T> parsed = StringUtil::FromChars<T>(rv.value);
|
||||||
|
if (!parsed.has_value())
|
||||||
|
return T(default_value);
|
||||||
|
|
||||||
|
return parsed.value();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroSettingsInterface::Clear()
|
||||||
|
{
|
||||||
|
Log_WarningPrintf("Clear not implemented");
|
||||||
|
}
|
||||||
|
|
||||||
|
int LibretroSettingsInterface::GetIntValue(const char* section, const char* key, int default_value /*= 0*/)
|
||||||
|
{
|
||||||
|
return GetVariable<int>(section, key, default_value);
|
||||||
|
}
|
||||||
|
|
||||||
|
float LibretroSettingsInterface::GetFloatValue(const char* section, const char* key, float default_value /*= 0.0f*/)
|
||||||
|
{
|
||||||
|
return GetVariable<float>(section, key, default_value);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LibretroSettingsInterface::GetBoolValue(const char* section, const char* key, bool default_value /*= false*/)
|
||||||
|
{
|
||||||
|
return GetVariable<bool>(section, key, default_value);
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string LibretroSettingsInterface::GetStringValue(const char* section, const char* key,
|
||||||
|
const char* default_value /*= ""*/)
|
||||||
|
{
|
||||||
|
return GetVariable<std::string>(section, key, default_value);
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroSettingsInterface::SetIntValue(const char* section, const char* key, int value)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("SetIntValue(\"%s\", \"%s\", %d) not implemented", section, key, value);
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroSettingsInterface::SetFloatValue(const char* section, const char* key, float value)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("SetFloatValue(\"%s\", \"%s\", %f) not implemented", section, key, value);
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroSettingsInterface::SetBoolValue(const char* section, const char* key, bool value)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("SetBoolValue(\"%s\", \"%s\", %u) not implemented", section, key, static_cast<unsigned>(value));
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroSettingsInterface::SetStringValue(const char* section, const char* key, const char* value)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("SetStringValue(\"%s\", \"%s\", \"%s\") not implemented", section, key, value);
|
||||||
|
}
|
||||||
|
|
||||||
|
std::vector<std::string> LibretroSettingsInterface::GetStringList(const char* section, const char* key)
|
||||||
|
{
|
||||||
|
std::string value = GetVariable<std::string>(section, key, "");
|
||||||
|
if (value.empty())
|
||||||
|
return {};
|
||||||
|
|
||||||
|
return std::vector<std::string>({std::move(value)});
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroSettingsInterface::SetStringList(const char* section, const char* key,
|
||||||
|
const std::vector<std::string_view>& items)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("SetStringList(\"%s\", \"%s\") not implemented", section, key);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LibretroSettingsInterface::RemoveFromStringList(const char* section, const char* key, const char* item)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("RemoveFromStringList(\"%s\", \"%s\", \"%s\") not implemented", section, key, item);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LibretroSettingsInterface::AddToStringList(const char* section, const char* key, const char* item)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("AddToStringList(\"%s\", \"%s\", \"%s\") not implemented", section, key, item);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LibretroSettingsInterface::DeleteValue(const char* section, const char* key)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("DeleteValue(\"%s\", \"%s\") not implemented", section, key);
|
||||||
|
}
|
||||||
25
src/duckstation-libretro/libretro_settings_interface.h
Normal file
25
src/duckstation-libretro/libretro_settings_interface.h
Normal file
|
|
@ -0,0 +1,25 @@
|
||||||
|
#pragma once
|
||||||
|
#include "core/settings.h"
|
||||||
|
|
||||||
|
class LibretroSettingsInterface : public SettingsInterface
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
void Clear() override;
|
||||||
|
|
||||||
|
int GetIntValue(const char* section, const char* key, int default_value = 0) override;
|
||||||
|
float GetFloatValue(const char* section, const char* key, float default_value = 0.0f) override;
|
||||||
|
bool GetBoolValue(const char* section, const char* key, bool default_value = false) override;
|
||||||
|
std::string GetStringValue(const char* section, const char* key, const char* default_value = "") override;
|
||||||
|
|
||||||
|
void SetIntValue(const char* section, const char* key, int value) override;
|
||||||
|
void SetFloatValue(const char* section, const char* key, float value) override;
|
||||||
|
void SetBoolValue(const char* section, const char* key, bool value) override;
|
||||||
|
void SetStringValue(const char* section, const char* key, const char* value) override;
|
||||||
|
|
||||||
|
std::vector<std::string> GetStringList(const char* section, const char* key) override;
|
||||||
|
void SetStringList(const char* section, const char* key, const std::vector<std::string_view>& items) override;
|
||||||
|
bool RemoveFromStringList(const char* section, const char* key, const char* item) override;
|
||||||
|
bool AddToStringList(const char* section, const char* key, const char* item) override;
|
||||||
|
|
||||||
|
void DeleteValue(const char* section, const char* key) override;
|
||||||
|
};
|
||||||
164
src/duckstation-libretro/main.cpp
Normal file
164
src/duckstation-libretro/main.cpp
Normal file
|
|
@ -0,0 +1,164 @@
|
||||||
|
#include "common/assert.h"
|
||||||
|
#include "common/log.h"
|
||||||
|
#include "libretro_host_interface.h"
|
||||||
|
#include "scmversion/scmversion.h"
|
||||||
|
Log_SetChannel(Main);
|
||||||
|
|
||||||
|
RETRO_API unsigned retro_api_version(void)
|
||||||
|
{
|
||||||
|
return RETRO_API_VERSION;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_init(void)
|
||||||
|
{
|
||||||
|
Log::SetConsoleOutputParams(true);
|
||||||
|
Log::SetDebugOutputParams(true);
|
||||||
|
Log_InfoPrintf("retro_init()");
|
||||||
|
|
||||||
|
if (!g_libretro_host_interface.Initialize())
|
||||||
|
Panic("Host interface initialization failed");
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_deinit(void)
|
||||||
|
{
|
||||||
|
Log_InfoPrintf("retro_deinit()");
|
||||||
|
g_libretro_host_interface.Shutdown();
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_get_system_info(struct retro_system_info* info)
|
||||||
|
{
|
||||||
|
std::memset(info, 0, sizeof(*info));
|
||||||
|
|
||||||
|
#if defined(_DEBUGFAST)
|
||||||
|
info->library_name = "DuckStation DebugFast";
|
||||||
|
#elif defined(_DEBUG)
|
||||||
|
info->library_name = "DuckStation Debug";
|
||||||
|
#else
|
||||||
|
info->library_name = "DuckStation";
|
||||||
|
#endif
|
||||||
|
|
||||||
|
info->library_version = g_scm_tag_str;
|
||||||
|
info->valid_extensions = "exe|cue|bin|chd|psf";
|
||||||
|
info->need_fullpath = true;
|
||||||
|
info->block_extract = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_get_system_av_info(struct retro_system_av_info* info)
|
||||||
|
{
|
||||||
|
g_libretro_host_interface.retro_get_system_av_info(info);
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_set_controller_port_device(unsigned port, unsigned device)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("retro_set_controller_port_device(%u, %u)", port, device);
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_reset(void)
|
||||||
|
{
|
||||||
|
Log_InfoPrint("retro_reset()");
|
||||||
|
g_libretro_host_interface.ResetSystem();
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_run(void)
|
||||||
|
{
|
||||||
|
g_libretro_host_interface.retro_run_frame();
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API size_t retro_serialize_size(void)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("retro_serialize_size()");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API bool retro_serialize(void* data, size_t size)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("retro_serialize()");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API bool retro_unserialize(const void* data, size_t size)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("retro_unserialize()");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_cheat_reset(void)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("retro_cheat_reset()");
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_cheat_set(unsigned index, bool enabled, const char* code)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("retro_cheat_set(%u, %u, %s)", index, enabled, code);
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API bool retro_load_game(const struct retro_game_info* game)
|
||||||
|
{
|
||||||
|
Log_InfoPrintf("retro_load_game(%s)", game->path);
|
||||||
|
return g_libretro_host_interface.retro_load_game(game);
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API bool retro_load_game_special(unsigned game_type, const struct retro_game_info* info, size_t num_info)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("retro_load_game_special()");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_unload_game(void)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("retro_unload_game()");
|
||||||
|
g_libretro_host_interface.DestroySystem();
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API unsigned retro_get_region(void)
|
||||||
|
{
|
||||||
|
return g_libretro_host_interface.retro_get_region();
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void* retro_get_memory_data(unsigned id)
|
||||||
|
{
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API size_t retro_get_memory_size(unsigned id)
|
||||||
|
{
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_set_environment(retro_environment_t f)
|
||||||
|
{
|
||||||
|
static bool core_options_set = false;
|
||||||
|
|
||||||
|
g_retro_environment_callback = f;
|
||||||
|
if (!core_options_set)
|
||||||
|
{
|
||||||
|
core_options_set = true;
|
||||||
|
if (!g_libretro_host_interface.SetCoreOptions())
|
||||||
|
Log_WarningPrintf("Failed to set core options, settings will not be changeable.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_set_video_refresh(retro_video_refresh_t f)
|
||||||
|
{
|
||||||
|
g_retro_video_refresh_callback = f;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_set_audio_sample(retro_audio_sample_t f)
|
||||||
|
{
|
||||||
|
g_retro_audio_sample_callback = f;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_set_audio_sample_batch(retro_audio_sample_batch_t f)
|
||||||
|
{
|
||||||
|
g_retro_audio_sample_batch_callback = f;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_set_input_poll(retro_input_poll_t f)
|
||||||
|
{
|
||||||
|
g_retro_input_poll_callback = f;
|
||||||
|
}
|
||||||
|
|
||||||
|
RETRO_API void retro_set_input_state(retro_input_state_t f)
|
||||||
|
{
|
||||||
|
g_retro_input_state_callback = f;
|
||||||
|
}
|
||||||
385
src/duckstation-libretro/opengl_host_display.cpp
Normal file
385
src/duckstation-libretro/opengl_host_display.cpp
Normal file
|
|
@ -0,0 +1,385 @@
|
||||||
|
#include "opengl_host_display.h"
|
||||||
|
#include "common/assert.h"
|
||||||
|
#include "common/log.h"
|
||||||
|
#include "libretro.h"
|
||||||
|
#include "libretro_host_interface.h"
|
||||||
|
#include <array>
|
||||||
|
#include <tuple>
|
||||||
|
Log_SetChannel(OpenGLHostDisplay);
|
||||||
|
|
||||||
|
class OpenGLDisplayWidgetTexture : public HostDisplayTexture
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
OpenGLDisplayWidgetTexture(GLuint id, u32 width, u32 height) : m_id(id), m_width(width), m_height(height) {}
|
||||||
|
~OpenGLDisplayWidgetTexture() override { glDeleteTextures(1, &m_id); }
|
||||||
|
|
||||||
|
void* GetHandle() const override { return reinterpret_cast<void*>(static_cast<uintptr_t>(m_id)); }
|
||||||
|
u32 GetWidth() const override { return m_width; }
|
||||||
|
u32 GetHeight() const override { return m_height; }
|
||||||
|
|
||||||
|
GLuint GetGLID() const { return m_id; }
|
||||||
|
|
||||||
|
static std::unique_ptr<OpenGLDisplayWidgetTexture> Create(u32 width, u32 height, const void* initial_data,
|
||||||
|
u32 initial_data_stride)
|
||||||
|
{
|
||||||
|
GLuint id;
|
||||||
|
glGenTextures(1, &id);
|
||||||
|
|
||||||
|
GLint old_texture_binding = 0;
|
||||||
|
glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_texture_binding);
|
||||||
|
|
||||||
|
// TODO: Set pack width
|
||||||
|
Assert(!initial_data || initial_data_stride == (width * sizeof(u32)));
|
||||||
|
|
||||||
|
glBindTexture(GL_TEXTURE_2D, id);
|
||||||
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, initial_data);
|
||||||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
|
||||||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||||
|
|
||||||
|
glBindTexture(GL_TEXTURE_2D, id);
|
||||||
|
return std::make_unique<OpenGLDisplayWidgetTexture>(id, width, height);
|
||||||
|
}
|
||||||
|
|
||||||
|
private:
|
||||||
|
GLuint m_id;
|
||||||
|
u32 m_width;
|
||||||
|
u32 m_height;
|
||||||
|
};
|
||||||
|
|
||||||
|
OpenGLHostDisplay::OpenGLHostDisplay(bool is_gles) : m_is_gles(is_gles) {}
|
||||||
|
|
||||||
|
OpenGLHostDisplay::~OpenGLHostDisplay()
|
||||||
|
{
|
||||||
|
if (m_display_vao != 0)
|
||||||
|
glDeleteVertexArrays(1, &m_display_vao);
|
||||||
|
if (m_display_linear_sampler != 0)
|
||||||
|
glDeleteSamplers(1, &m_display_linear_sampler);
|
||||||
|
if (m_display_nearest_sampler != 0)
|
||||||
|
glDeleteSamplers(1, &m_display_nearest_sampler);
|
||||||
|
|
||||||
|
m_display_program.Destroy();
|
||||||
|
}
|
||||||
|
|
||||||
|
HostDisplay::RenderAPI OpenGLHostDisplay::GetRenderAPI() const
|
||||||
|
{
|
||||||
|
return m_is_gles ? HostDisplay::RenderAPI::OpenGLES : HostDisplay::RenderAPI::OpenGL;
|
||||||
|
}
|
||||||
|
|
||||||
|
void* OpenGLHostDisplay::GetRenderDevice() const
|
||||||
|
{
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
void* OpenGLHostDisplay::GetRenderContext() const
|
||||||
|
{
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::unique_ptr<HostDisplayTexture> OpenGLHostDisplay::CreateTexture(u32 width, u32 height, const void* data,
|
||||||
|
u32 data_stride, bool dynamic)
|
||||||
|
{
|
||||||
|
return OpenGLDisplayWidgetTexture::Create(width, height, data, data_stride);
|
||||||
|
}
|
||||||
|
|
||||||
|
void OpenGLHostDisplay::UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height,
|
||||||
|
const void* data, u32 data_stride)
|
||||||
|
{
|
||||||
|
OpenGLDisplayWidgetTexture* tex = static_cast<OpenGLDisplayWidgetTexture*>(texture);
|
||||||
|
Assert((data_stride % sizeof(u32)) == 0);
|
||||||
|
|
||||||
|
GLint old_texture_binding = 0, old_alignment = 0, old_row_length = 0;
|
||||||
|
glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_texture_binding);
|
||||||
|
glGetIntegerv(GL_UNPACK_ALIGNMENT, &old_alignment);
|
||||||
|
glGetIntegerv(GL_UNPACK_ROW_LENGTH, &old_row_length);
|
||||||
|
|
||||||
|
glBindTexture(GL_TEXTURE_2D, tex->GetGLID());
|
||||||
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
|
||||||
|
glPixelStorei(GL_UNPACK_ROW_LENGTH, data_stride / sizeof(u32));
|
||||||
|
|
||||||
|
glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, data);
|
||||||
|
|
||||||
|
glPixelStorei(GL_UNPACK_ALIGNMENT, old_alignment);
|
||||||
|
glPixelStorei(GL_UNPACK_ROW_LENGTH, old_row_length);
|
||||||
|
glBindTexture(GL_TEXTURE_2D, old_texture_binding);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool OpenGLHostDisplay::DownloadTexture(const void* texture_handle, u32 x, u32 y, u32 width, u32 height, void* out_data,
|
||||||
|
u32 out_data_stride)
|
||||||
|
{
|
||||||
|
GLint old_alignment = 0, old_row_length = 0;
|
||||||
|
glGetIntegerv(GL_PACK_ALIGNMENT, &old_alignment);
|
||||||
|
glGetIntegerv(GL_PACK_ROW_LENGTH, &old_row_length);
|
||||||
|
glPixelStorei(GL_PACK_ALIGNMENT, sizeof(u32));
|
||||||
|
glPixelStorei(GL_PACK_ROW_LENGTH, out_data_stride / sizeof(u32));
|
||||||
|
|
||||||
|
const GLuint texture = static_cast<GLuint>(reinterpret_cast<uintptr_t>(texture_handle));
|
||||||
|
GL::Texture::GetTextureSubImage(texture, 0, x, y, 0, width, height, 1, GL_RGBA, GL_UNSIGNED_BYTE,
|
||||||
|
height * out_data_stride, out_data);
|
||||||
|
|
||||||
|
glPixelStorei(GL_PACK_ALIGNMENT, old_alignment);
|
||||||
|
glPixelStorei(GL_PACK_ROW_LENGTH, old_row_length);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
void OpenGLHostDisplay::SetVSync(bool enabled)
|
||||||
|
{
|
||||||
|
// TODO
|
||||||
|
}
|
||||||
|
|
||||||
|
const char* OpenGLHostDisplay::GetGLSLVersionString() const
|
||||||
|
{
|
||||||
|
if (m_is_gles)
|
||||||
|
{
|
||||||
|
if (GLAD_GL_ES_VERSION_3_0)
|
||||||
|
return "#version 300 es";
|
||||||
|
else
|
||||||
|
return "#version 100";
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if (GLAD_GL_VERSION_3_3)
|
||||||
|
return "#version 330";
|
||||||
|
else
|
||||||
|
return "#version 130";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string OpenGLHostDisplay::GetGLSLVersionHeader() const
|
||||||
|
{
|
||||||
|
std::string header = GetGLSLVersionString();
|
||||||
|
header += "\n\n";
|
||||||
|
if (m_is_gles)
|
||||||
|
{
|
||||||
|
header += "precision highp float;\n";
|
||||||
|
header += "precision highp int;\n\n";
|
||||||
|
}
|
||||||
|
|
||||||
|
return header;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void APIENTRY GLDebugCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length,
|
||||||
|
const GLchar* message, const void* userParam)
|
||||||
|
{
|
||||||
|
switch (severity)
|
||||||
|
{
|
||||||
|
case GL_DEBUG_SEVERITY_HIGH_KHR:
|
||||||
|
Log_ErrorPrintf(message);
|
||||||
|
break;
|
||||||
|
case GL_DEBUG_SEVERITY_MEDIUM_KHR:
|
||||||
|
Log_WarningPrint(message);
|
||||||
|
break;
|
||||||
|
case GL_DEBUG_SEVERITY_LOW_KHR:
|
||||||
|
Log_InfoPrintf(message);
|
||||||
|
break;
|
||||||
|
case GL_DEBUG_SEVERITY_NOTIFICATION:
|
||||||
|
// Log_DebugPrint(message);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool OpenGLHostDisplay::RequestHardwareRendererContext(retro_hw_render_callback* cb)
|
||||||
|
{
|
||||||
|
// Prefer a desktop OpenGL context where possible. If we can't get this, try OpenGL ES.
|
||||||
|
static constexpr std::array<std::tuple<u32, u32>, 11> desktop_versions_to_try = {
|
||||||
|
{/*{4, 6}, {4, 5}, {4, 4}, {4, 3}, {4, 2}, {4, 1}, {4, 0}, {3, 3}, {3, 2}, */ {3, 1}, {3, 0}}};
|
||||||
|
static constexpr std::array<std::tuple<u32, u32>, 4> es_versions_to_try = {{{3, 2}, {3, 1}, {3, 0}}};
|
||||||
|
|
||||||
|
cb->cache_context = true;
|
||||||
|
cb->bottom_left_origin = true;
|
||||||
|
|
||||||
|
for (const auto& [major, minor] : desktop_versions_to_try)
|
||||||
|
{
|
||||||
|
if (major > 3 || (major == 3 && minor >= 2))
|
||||||
|
{
|
||||||
|
cb->context_type = RETRO_HW_CONTEXT_OPENGL_CORE;
|
||||||
|
cb->version_major = major;
|
||||||
|
cb->version_minor = minor;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
cb->context_type = RETRO_HW_CONTEXT_OPENGL;
|
||||||
|
cb->version_major = 0;
|
||||||
|
cb->version_minor = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (g_retro_environment_callback(RETRO_ENVIRONMENT_SET_HW_RENDER, cb))
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (const auto& [major, minor] : es_versions_to_try)
|
||||||
|
{
|
||||||
|
if (major >= 3 && minor > 0)
|
||||||
|
{
|
||||||
|
cb->context_type = RETRO_HW_CONTEXT_OPENGLES_VERSION;
|
||||||
|
cb->version_major = major;
|
||||||
|
cb->version_minor = minor;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
cb->context_type = RETRO_HW_CONTEXT_OPENGLES3;
|
||||||
|
cb->version_major = 0;
|
||||||
|
cb->version_minor = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (g_retro_environment_callback(RETRO_ENVIRONMENT_SET_HW_RENDER, cb))
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
Log_ErrorPrint("Failed to set any GL HW renderer");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::unique_ptr<HostDisplay> OpenGLHostDisplay::Create(bool debug_device)
|
||||||
|
{
|
||||||
|
const retro_hw_context_type context_type = g_libretro_host_interface.GetHWRenderCallback().context_type;
|
||||||
|
const GLADloadproc get_proc_address = [](const char* sym) -> void* {
|
||||||
|
return reinterpret_cast<void*>(g_libretro_host_interface.GetHWRenderCallback().get_proc_address(sym));
|
||||||
|
};
|
||||||
|
const bool is_gles =
|
||||||
|
(context_type == RETRO_HW_CONTEXT_OPENGLES3 || context_type == RETRO_HW_CONTEXT_OPENGLES_VERSION);
|
||||||
|
|
||||||
|
// Load GLAD.
|
||||||
|
const auto load_result = is_gles ? gladLoadGLES2Loader(get_proc_address) : gladLoadGLLoader(get_proc_address);
|
||||||
|
if (!load_result)
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("Failed to load GL functions");
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
#if 0
|
||||||
|
// Disabled until we can turn it off as well
|
||||||
|
if (debug_device && GLAD_GL_KHR_debug)
|
||||||
|
{
|
||||||
|
glad_glDebugMessageCallbackKHR(GLDebugCallback, nullptr);
|
||||||
|
glEnable(GL_DEBUG_OUTPUT);
|
||||||
|
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
std::unique_ptr<OpenGLHostDisplay> display = std::make_unique<OpenGLHostDisplay>(is_gles);
|
||||||
|
if (!display->CreateGLResources())
|
||||||
|
{
|
||||||
|
Log_ErrorPrint("Failed to create GL resources");
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
return display;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool OpenGLHostDisplay::CreateGLResources()
|
||||||
|
{
|
||||||
|
static constexpr char fullscreen_quad_vertex_shader[] = R"(
|
||||||
|
uniform vec4 u_src_rect;
|
||||||
|
out vec2 v_tex0;
|
||||||
|
|
||||||
|
void main()
|
||||||
|
{
|
||||||
|
vec2 pos = vec2(float((gl_VertexID << 1) & 2), float(gl_VertexID & 2));
|
||||||
|
v_tex0 = u_src_rect.xy + pos * u_src_rect.zw;
|
||||||
|
gl_Position = vec4(pos * vec2(2.0f, -2.0f) + vec2(-1.0f, 1.0f), 0.0f, 1.0f);
|
||||||
|
}
|
||||||
|
)";
|
||||||
|
|
||||||
|
static constexpr char display_fragment_shader[] = R"(
|
||||||
|
uniform sampler2D samp0;
|
||||||
|
|
||||||
|
in vec2 v_tex0;
|
||||||
|
out vec4 o_col0;
|
||||||
|
|
||||||
|
void main()
|
||||||
|
{
|
||||||
|
o_col0 = texture(samp0, v_tex0);
|
||||||
|
}
|
||||||
|
)";
|
||||||
|
|
||||||
|
if (!m_display_program.Compile(GetGLSLVersionHeader() + fullscreen_quad_vertex_shader, {},
|
||||||
|
GetGLSLVersionHeader() + display_fragment_shader))
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("Failed to compile display shaders");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!m_is_gles)
|
||||||
|
m_display_program.BindFragData(0, "o_col0");
|
||||||
|
|
||||||
|
if (!m_display_program.Link())
|
||||||
|
{
|
||||||
|
Log_ErrorPrintf("Failed to link display program");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
m_display_program.Bind();
|
||||||
|
m_display_program.RegisterUniform("u_src_rect");
|
||||||
|
m_display_program.RegisterUniform("samp0");
|
||||||
|
m_display_program.Uniform1i(1, 0);
|
||||||
|
|
||||||
|
glGenVertexArrays(1, &m_display_vao);
|
||||||
|
|
||||||
|
// samplers
|
||||||
|
glGenSamplers(1, &m_display_nearest_sampler);
|
||||||
|
glSamplerParameteri(m_display_nearest_sampler, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||||||
|
glSamplerParameteri(m_display_nearest_sampler, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||||||
|
glGenSamplers(1, &m_display_linear_sampler);
|
||||||
|
glSamplerParameteri(m_display_linear_sampler, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||||
|
glSamplerParameteri(m_display_linear_sampler, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
void OpenGLHostDisplay::Render()
|
||||||
|
{
|
||||||
|
if (m_display_width != m_last_display_width || m_display_height != m_last_display_height)
|
||||||
|
{
|
||||||
|
retro_game_geometry geom = {};
|
||||||
|
geom.base_width = m_display_width;
|
||||||
|
geom.base_height = m_display_height;
|
||||||
|
geom.aspect_ratio = m_display_pixel_aspect_ratio;
|
||||||
|
|
||||||
|
if (!g_retro_environment_callback(RETRO_ENVIRONMENT_SET_GEOMETRY, &geom))
|
||||||
|
Log_WarningPrint("RETRO_ENVIRONMENT_SET_GEOMETRY failed");
|
||||||
|
|
||||||
|
m_last_display_width = m_display_width;
|
||||||
|
m_last_display_height = m_display_height;
|
||||||
|
}
|
||||||
|
|
||||||
|
const GLuint fbo = static_cast<GLuint>(g_libretro_host_interface.GetHWRenderCallback().get_current_framebuffer());
|
||||||
|
|
||||||
|
glDisable(GL_SCISSOR_TEST);
|
||||||
|
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
|
||||||
|
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
||||||
|
glClear(GL_COLOR_BUFFER_BIT);
|
||||||
|
|
||||||
|
RenderDisplay();
|
||||||
|
|
||||||
|
g_retro_video_refresh_callback(RETRO_HW_FRAME_BUFFER_VALID, m_display_width, m_display_height, 0);
|
||||||
|
|
||||||
|
GL::Program::ResetLastProgram();
|
||||||
|
}
|
||||||
|
|
||||||
|
void OpenGLHostDisplay::RenderDisplay()
|
||||||
|
{
|
||||||
|
if (!m_display_texture_handle)
|
||||||
|
return;
|
||||||
|
|
||||||
|
const auto [vp_left, vp_top, vp_width, vp_height] =
|
||||||
|
CalculateDrawRect(m_display_width, m_display_height, m_display_top_margin);
|
||||||
|
|
||||||
|
glViewport(vp_left, m_display_height - vp_top - vp_height, vp_width, vp_height);
|
||||||
|
glDisable(GL_BLEND);
|
||||||
|
glDisable(GL_CULL_FACE);
|
||||||
|
glDisable(GL_DEPTH_TEST);
|
||||||
|
glDisable(GL_SCISSOR_TEST);
|
||||||
|
glDepthMask(GL_FALSE);
|
||||||
|
m_display_program.Bind();
|
||||||
|
m_display_program.Uniform4f(
|
||||||
|
0, static_cast<float>(m_display_texture_view_x) / static_cast<float>(m_display_texture_width),
|
||||||
|
static_cast<float>(m_display_texture_view_y) / static_cast<float>(m_display_texture_height),
|
||||||
|
(static_cast<float>(m_display_texture_view_width) - 0.5f) / static_cast<float>(m_display_texture_width),
|
||||||
|
(static_cast<float>(m_display_texture_view_height) + 0.5f) / static_cast<float>(m_display_texture_height));
|
||||||
|
glBindTexture(GL_TEXTURE_2D, static_cast<GLuint>(reinterpret_cast<uintptr_t>(m_display_texture_handle)));
|
||||||
|
glBindSampler(0, m_display_linear_filtering ? m_display_linear_sampler : m_display_nearest_sampler);
|
||||||
|
glBindVertexArray(m_display_vao);
|
||||||
|
glDrawArrays(GL_TRIANGLES, 0, 3);
|
||||||
|
glBindSampler(0, 0);
|
||||||
|
}
|
||||||
53
src/duckstation-libretro/opengl_host_display.h
Normal file
53
src/duckstation-libretro/opengl_host_display.h
Normal file
|
|
@ -0,0 +1,53 @@
|
||||||
|
#pragma once
|
||||||
|
#include "common/gl/program.h"
|
||||||
|
#include "common/gl/texture.h"
|
||||||
|
#include "core/host_display.h"
|
||||||
|
#include "libretro.h"
|
||||||
|
#include <string>
|
||||||
|
#include <memory>
|
||||||
|
|
||||||
|
class OpenGLHostDisplay final : public HostDisplay
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
OpenGLHostDisplay(bool is_gles);
|
||||||
|
~OpenGLHostDisplay();
|
||||||
|
|
||||||
|
static bool RequestHardwareRendererContext(retro_hw_render_callback* cb);
|
||||||
|
|
||||||
|
static std::unique_ptr<HostDisplay> Create(bool debug_device);
|
||||||
|
|
||||||
|
RenderAPI GetRenderAPI() const override;
|
||||||
|
void* GetRenderDevice() const override;
|
||||||
|
void* GetRenderContext() const override;
|
||||||
|
|
||||||
|
std::unique_ptr<HostDisplayTexture> CreateTexture(u32 width, u32 height, const void* data, u32 data_stride,
|
||||||
|
bool dynamic) override;
|
||||||
|
void UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* data,
|
||||||
|
u32 data_stride) override;
|
||||||
|
bool DownloadTexture(const void* texture_handle, u32 x, u32 y, u32 width, u32 height, void* out_data,
|
||||||
|
u32 out_data_stride) override;
|
||||||
|
|
||||||
|
void SetVSync(bool enabled) override;
|
||||||
|
|
||||||
|
void Render() override;
|
||||||
|
|
||||||
|
private:
|
||||||
|
const char* GetGLSLVersionString() const;
|
||||||
|
std::string GetGLSLVersionHeader() const;
|
||||||
|
|
||||||
|
bool GetGLContext(bool debug_device);
|
||||||
|
bool CreateGLResources();
|
||||||
|
|
||||||
|
void RenderDisplay();
|
||||||
|
|
||||||
|
GL::Program m_display_program;
|
||||||
|
GLuint m_display_vao = 0;
|
||||||
|
GLuint m_display_nearest_sampler = 0;
|
||||||
|
GLuint m_display_linear_sampler = 0;
|
||||||
|
|
||||||
|
s32 m_last_display_width = -1;
|
||||||
|
s32 m_last_display_height = -1;
|
||||||
|
|
||||||
|
retro_hw_render_callback m_render_callback = {};
|
||||||
|
bool m_is_gles = false;
|
||||||
|
};
|
||||||
Loading…
Reference in a new issue