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D3D12: implement backend #1410

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0234452
D3D12: implement backend
oviano Jan 12, 2026
1d041f4
D3D12: change fence_value to void* for language binding compatibility
oviano Jan 12, 2026
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561 changes: 555 additions & 6 deletions sokol_app.h
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5,566 changes: 5,453 additions & 113 deletions sokol_gfx.h
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11 changes: 11 additions & 0 deletions sokol_glue.h
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Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,11 @@ SOKOL_API_IMPL sg_environment sglue_environment(void) {
res.metal.device = env.metal.device;
res.d3d11.device = env.d3d11.device;
res.d3d11.device_context = env.d3d11.device_context;
res.d3d12.device = env.d3d12.device;
res.d3d12.command_queue = env.d3d12.command_queue;
res.d3d12.fence = env.d3d12.fence;
res.d3d12.fence_event = env.d3d12.fence_event;
res.d3d12.fence_value = env.d3d12.fence_value;
res.wgpu.device = env.wgpu.device;
res.vulkan.instance = env.vulkan.instance;
res.vulkan.physical_device = env.vulkan.physical_device;
Expand All @@ -189,6 +194,12 @@ SOKOL_API_IMPL sg_swapchain sglue_swapchain(void) {
res.d3d11.render_view = sc.d3d11.render_view;
res.d3d11.resolve_view = sc.d3d11.resolve_view;
res.d3d11.depth_stencil_view = sc.d3d11.depth_stencil_view;
res.d3d12.render_target = sc.d3d12.render_target;
res.d3d12.render_view = sc.d3d12.render_view;
res.d3d12.resolve_target = sc.d3d12.resolve_target;
res.d3d12.resolve_view = sc.d3d12.resolve_view;
res.d3d12.depth_stencil = sc.d3d12.depth_stencil;
res.d3d12.depth_stencil_view = sc.d3d12.depth_stencil_view;
res.wgpu.render_view = sc.wgpu.render_view;
res.wgpu.resolve_view = sc.wgpu.resolve_view;
res.wgpu.depth_stencil_view = sc.wgpu.depth_stencil_view;
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8 changes: 4 additions & 4 deletions tests/CMakeLists.txt
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Expand Up @@ -4,9 +4,9 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 11)

# SOKOL_GLCORE, SOKOL_GLES3, SOKOL_D3D11, SOKOL_METAL, SOKOL_WGPU, SOKOL_DUMMY
# SOKOL_GLCORE, SOKOL_GLES3, SOKOL_D3D11, SOKOL_D3D12, SOKOL_METAL, SOKOL_WGPU, SOKOL_VULKAN, SOKOL_DUMMY
set(SOKOL_BACKEND "SOKOL_DUMMY_BACKEND" CACHE STRING "Select 3D backend API")
set_property(CACHE SOKOL_BACKEND PROPERTY STRINGS SOKOL_GLCORE SOKOL_METAL SOKOL_D3D11 SOKOL_VULKAN SOKOL_DUMMY_BACKEND)
set_property(CACHE SOKOL_BACKEND PROPERTY STRINGS SOKOL_GLCORE SOKOL_METAL SOKOL_D3D11 SOKOL_D3D12 SOKOL_VULKAN SOKOL_DUMMY_BACKEND)
option(SOKOL_FORCE_EGL "Force EGL with GLCORE backend" OFF)
option(USE_ARC "Enable/disable ARC" OFF)
option(USE_ANALYZER "Enable/disable clang analyzer" OFF)
Expand Down Expand Up @@ -63,8 +63,8 @@ else()
# FIXME: consider using clang-tidy via CMAKE_CXX_CLANG_TIDY: https://ortogonal.github.io/cmake-clang-tidy/
# with the default settings this spams the output with irrelevant C++ coding style warnings in 3rd party libs though
message(">> Configuring for static code analysis")
set(c_flags ${c_flags} --analyze -Xanalyzer -analyzer-opt-analyze-headers)
set(cxx_flags ${cxx_flags} --analyze -Xanalyzer -analyzer-opt-analyze-headers)
set(c_flags ${c_flags} --analyze -Xanalyzer -analyzer-opt-analyze-headers -Wno-unused-command-line-argument)
set(cxx_flags ${cxx_flags} --analyze -Xanalyzer -analyzer-opt-analyze-headers -Wno-unused-command-line-argument)
set(link_flags ${link_flags} --analyze -Wno-unused-command-line-argument)
endif()
endif()
Expand Down
36 changes: 36 additions & 0 deletions tests/CMakePresets.json
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Expand Up @@ -532,6 +532,28 @@
"CMAKE_C_COMPILER": "clang",
"CMAKE_CXX_COMPILER": "clang++"
}
},
{
"name": "win_d3d12",
"binaryDir": "build/win_d3d12",
"cacheVariables": {
"SOKOL_BACKEND": "SOKOL_D3D12"
}
},
{
"name": "win_d3d12_analyze",
"generator": "Ninja",
"binaryDir": "build/win_d3d12_analyze",
"cacheVariables": {
"SOKOL_BACKEND": "SOKOL_D3D12",
"CMAKE_BUILD_TYPE": "Debug",
"USE_ANALYZER": {
"type": "BOOL",
"value": "ON"
},
"CMAKE_C_COMPILER": "clang",
"CMAKE_CXX_COMPILER": "clang++"
}
}
],
"buildPresets": [
Expand Down Expand Up @@ -752,6 +774,20 @@
{
"name": "win_d3d11_analyze",
"configurePreset": "win_d3d11_analyze"
},
{
"name": "win_d3d12_debug",
"configurePreset": "win_d3d12",
"configuration": "Debug"
},
{
"name": "win_d3d12_release",
"configurePreset": "win_d3d12",
"configuration": "Release"
},
{
"name": "win_d3d12_analyze",
"configurePreset": "win_d3d12_analyze"
}
]
}
3 changes: 3 additions & 0 deletions tests/functional/force_dummy_backend.h
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Expand Up @@ -10,6 +10,9 @@
#if defined(SOKOL_D3D11)
#undef SOKOL_D3D11
#endif
#if defined(SOKOL_D3D12)
#undef SOKOL_D3D12
#endif
#if defined(SOKOL_WGPU)
#undef SOKOL_WGPU
#endif
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4 changes: 2 additions & 2 deletions util/sokol_debugtext.h
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Expand Up @@ -3534,7 +3534,7 @@ static const uint8_t _sdtx_fs_source_metal_sim[441] = {
0x6c,0x6f,0x72,0x3b,0x0a,0x20,0x20,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,
0x6f,0x75,0x74,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
};
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
/*
static float4 gl_Position;
static float2 position;
Expand Down Expand Up @@ -4564,7 +4564,7 @@ static void _sdtx_setup_common(void) {
shd_desc.fragment_func.source = (const char*)_sdtx_fs_source_metal_sim;
break;
}
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
shd_desc.vertex_func.bytecode = SG_RANGE(_sdtx_vs_bytecode_hlsl4);
shd_desc.fragment_func.bytecode = SG_RANGE(_sdtx_fs_bytecode_hlsl4);
#elif defined(SOKOL_WGPU)
Expand Down
4 changes: 2 additions & 2 deletions util/sokol_fontstash.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1589,7 +1589,7 @@ static const uint8_t _sfons_fs_source_metal_sim[464] = {
0x2a,0x20,0x69,0x6e,0x2e,0x63,0x6f,0x6c,0x6f,0x72,0x3b,0x0a,0x20,0x20,0x20,0x20,
0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x6f,0x75,0x74,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
};
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
/*
cbuffer vs_params : register(b0)
{
Expand Down Expand Up @@ -2312,7 +2312,7 @@ static int _sfons_render_create(void* user_ptr, int width, int height) {
shd_desc.fragment_func.source = (const char*)_sfons_fs_source_metal_sim;
break;
}
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
shd_desc.vertex_func.bytecode = SG_RANGE(_sfons_vs_bytecode_hlsl4);
shd_desc.fragment_func.bytecode = SG_RANGE(_sfons_fs_bytecode_hlsl4);
#elif defined(SOKOL_WGPU)
Expand Down
4 changes: 2 additions & 2 deletions util/sokol_gl.h
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Expand Up @@ -2285,7 +2285,7 @@ static const uint8_t _sgl_fs_source_metal_sim[439] = {
0x72,0x3b,0x0a,0x20,0x20,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x6f,0x75,
0x74,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
};
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
/*
cbuffer vs_params : register(b0)
{
Expand Down Expand Up @@ -4026,7 +4026,7 @@ static void _sgl_setup_common(void) {
shd_desc.fragment_func.source = (const char*)_sgl_fs_source_metal_sim;
break;
}
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
shd_desc.vertex_func.bytecode = SG_RANGE(_sgl_vs_bytecode_hlsl4);
shd_desc.fragment_func.bytecode = SG_RANGE(_sgl_fs_bytecode_hlsl4);
#elif defined(SOKOL_WGPU)
Expand Down
4 changes: 2 additions & 2 deletions util/sokol_imgui.h
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Expand Up @@ -1868,7 +1868,7 @@ static const uint8_t _simgui_fs_source_metal_sim[436] = {
0x20,0x20,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x6f,0x75,0x74,0x3b,0x0a,
0x7d,0x0a,0x0a,0x00,
};
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
/*
cbuffer vs_params : register(b0)
{
Expand Down Expand Up @@ -2954,7 +2954,7 @@ SOKOL_API_IMPL void simgui_setup(const simgui_desc_t* desc) {
shd_desc.fragment_func.source = (const char*)_simgui_fs_source_metal_sim;
break;
}
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
shd_desc.vertex_func.bytecode = SG_RANGE(_simgui_vs_bytecode_hlsl4);
shd_desc.fragment_func.bytecode = SG_RANGE(_simgui_fs_bytecode_hlsl4);
#elif defined(SOKOL_WGPU)
Expand Down
4 changes: 2 additions & 2 deletions util/sokol_nuklear.h
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Expand Up @@ -1815,7 +1815,7 @@ static const uint8_t _snk_fs_source_metal_sim[436] = {
0x20,0x20,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x6f,0x75,0x74,0x3b,0x0a,
0x7d,0x0a,0x0a,0x00,
};
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
/*
cbuffer vs_params : register(b0)
{
Expand Down Expand Up @@ -2845,7 +2845,7 @@ SOKOL_API_IMPL void snk_setup(const snk_desc_t* desc) {
fs_source = (const char*)_snk_fs_source_metal_sim;
break;
}
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
vs_bytecode = SG_RANGE(_snk_vs_bytecode_hlsl4);
fs_bytecode = SG_RANGE(_snk_fs_bytecode_hlsl4);
#elif defined(SOKOL_WGPU)
Expand Down
4 changes: 2 additions & 2 deletions util/sokol_spine.h
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Expand Up @@ -1653,7 +1653,7 @@ static const uint8_t _sspine_fs_source_glsl300es[399] = {
0x6f,0x72,0x2c,0x20,0x76,0x65,0x63,0x34,0x28,0x66,0x73,0x5f,0x70,0x61,0x72,0x61,
0x6d,0x73,0x5b,0x30,0x5d,0x2e,0x78,0x29,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
};
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
/*
cbuffer vs_params : register(b0)
{
Expand Down Expand Up @@ -5441,7 +5441,7 @@ static void _sspine_init_shared(void) {
shd_desc.fragment_func.source = (const char*)_sspine_fs_source_metal_sim;
break;
}
#elif defined(SOKOL_D3D11)
#elif defined(SOKOL_D3D11) || defined(SOKOL_D3D12)
shd_desc.vertex_func.bytecode = SG_RANGE(_sspine_vs_bytecode_hlsl4);
shd_desc.fragment_func.bytecode = SG_RANGE(_sspine_fs_bytecode_hlsl4);
#elif defined(SOKOL_WGPU)
Expand Down
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