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Add Direct3D 12 RenderingDevice implementation
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,151 @@ | ||
| #!/usr/bin/env python | ||
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| import os | ||
| from pathlib import Path | ||
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| Import("env") | ||
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| env_d3d12_rd = env.Clone() | ||
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| thirdparty_obj = [] | ||
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| # DirectX Headers (must take precedence over Windows SDK's). | ||
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| env.Prepend(CPPPATH=["#thirdparty/directx_headers"]) | ||
| env_d3d12_rd.Prepend(CPPPATH=["#thirdparty/directx_headers"]) | ||
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| # Direct3D 12 Memory Allocator. | ||
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| env.Append(CPPPATH=["#thirdparty/d3d12ma"]) | ||
| env_d3d12_rd.Append(CPPPATH=["#thirdparty/d3d12ma"]) | ||
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| # Agility SDK. | ||
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| if env["agility_sdk_path"] != "": | ||
| env_d3d12_rd.Append(CPPDEFINES=["AGILITY_SDK_ENABLED"]) | ||
| if env["agility_sdk_multiarch"]: | ||
| env_d3d12_rd.Append(CPPDEFINES=["AGILITY_SDK_MULTIARCH_ENABLED"]) | ||
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| # PIX. | ||
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| if env["pix_path"] != "": | ||
| env_d3d12_rd.Append(CPPDEFINES=["PIX_ENABLED"]) | ||
| env_d3d12_rd.Append(CPPPATH=[env["pix_path"] + "/Include"]) | ||
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| # Mesa (SPIR-V to DXIL functionality). | ||
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| mesa_dir = (env["mesa_libs"] + "/godot-mesa").replace("\\", "/") | ||
| mesa_gen_dir = (env["mesa_libs"] + "/godot-mesa/generated").replace("\\", "/") | ||
| mesa_absdir = Dir(mesa_dir).abspath | ||
| mesa_gen_absdir = Dir(mesa_dir + "/generated").abspath | ||
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| custom_build_steps = [ | ||
| [ | ||
| "src/compiler", | ||
| "glsl/ir_expression_operation.py enum > %s/ir_expression_operation.h", | ||
| "ir_expression_operation.h", | ||
| ], | ||
| ["src/compiler/nir", "nir_builder_opcodes_h.py > %s/nir_builder_opcodes.h", "nir_builder_opcodes.h"], | ||
| ["src/compiler/nir", "nir_constant_expressions.py > %s/nir_constant_expressions.c", "nir_constant_expressions.c"], | ||
| ["src/compiler/nir", "nir_intrinsics_h.py --outdir %s", "nir_intrinsics.h"], | ||
| ["src/compiler/nir", "nir_intrinsics_c.py --outdir %s", "nir_intrinsics.c"], | ||
| ["src/compiler/nir", "nir_intrinsics_indices_h.py --outdir %s", "nir_intrinsics_indices.h"], | ||
| ["src/compiler/nir", "nir_opcodes_h.py > %s/nir_opcodes.h", "nir_opcodes.h"], | ||
| ["src/compiler/nir", "nir_opcodes_c.py > %s/nir_opcodes.c", "nir_opcodes.c"], | ||
| ["src/compiler/nir", "nir_opt_algebraic.py > %s/nir_opt_algebraic.c", "nir_opt_algebraic.c"], | ||
| ["src/compiler/spirv", "vtn_generator_ids_h.py spir-v.xml %s/vtn_generator_ids.h", "vtn_generator_ids.h"], | ||
| [ | ||
| "src/microsoft/compiler", | ||
| "dxil_nir_algebraic.py -p ../../../src/compiler/nir > %s/dxil_nir_algebraic.c", | ||
| "dxil_nir_algebraic.c", | ||
| ], | ||
| ["src/util", "format_srgb.py > %s/format_srgb.c", "format_srgb.c"], | ||
| ["src/util/format", "u_format_table.py u_format.csv --header > %s/u_format_pack.h", "u_format_pack.h"], | ||
| ["src/util/format", "u_format_table.py u_format.csv > %s/u_format_table.c", "u_format_table.c"], | ||
| ] | ||
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| mesa_gen_include_paths = [mesa_gen_dir + "/src"] | ||
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| # See update_mesa.sh for explanation. | ||
| for v in custom_build_steps: | ||
| subdir = v[0] | ||
| cmd = v[1] | ||
| gen_filename = v[2] | ||
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| in_dir = str(Path(mesa_absdir + "/" + subdir)) | ||
| out_full_path = mesa_dir + "/generated/" + subdir | ||
| out_file_full_path = out_full_path + "/" + gen_filename | ||
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| if gen_filename.endswith(".h"): | ||
| mesa_gen_include_paths += [out_full_path.replace("\\", "/")] | ||
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| mesa_private_inc_paths = [v[0] for v in os.walk(mesa_absdir)] | ||
| mesa_private_inc_paths = [v.replace(mesa_absdir, mesa_dir) for v in mesa_private_inc_paths] | ||
| mesa_private_inc_paths = [v.replace("\\", "/") for v in mesa_private_inc_paths] | ||
| # Avoid build results depending on if generated files already exist. | ||
| mesa_private_inc_paths = [v for v in mesa_private_inc_paths if not v.startswith(mesa_gen_dir)] | ||
| mesa_private_inc_paths.sort() | ||
| # Include the list of the generated ones now, so out-of-the-box sources can include generated headers. | ||
| mesa_private_inc_paths += mesa_gen_include_paths | ||
| # We have to blacklist some because we are bindly adding every Mesa directory | ||
| # to the include path and in some cases that causes the wrong header to be included. | ||
| mesa_blacklist_inc_paths = [ | ||
| "src/c11", | ||
| ] | ||
| mesa_blacklist_inc_paths = [mesa_dir + "/" + v for v in mesa_blacklist_inc_paths] | ||
| mesa_private_inc_paths = [v for v in mesa_private_inc_paths if v not in mesa_blacklist_inc_paths] | ||
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| # Added by ourselves. | ||
| extra_defines = [ | ||
| "WINDOWS_NO_FUTEX", | ||
| ] | ||
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| # These defines are inspired by the Meson build scripts in the original repo. | ||
| extra_defines += [ | ||
| "__STDC_CONSTANT_MACROS", | ||
| "__STDC_FORMAT_MACROS", | ||
| "__STDC_LIMIT_MACROS", | ||
| ("PACKAGE_VERSION", '\\"' + Path(mesa_absdir + "/VERSION").read_text().strip() + '\\"'), | ||
| ("PACKAGE_BUGREPORT", '\\"https://gitlab.freedesktop.org/mesa/mesa/-/issues\\"'), | ||
| "PIPE_SUBSYSTEM_WINDOWS_USER", | ||
| ("_Static_assert", "static_assert"), | ||
| ] | ||
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| if env.msvc: | ||
| extra_defines += [ | ||
| "_USE_MATH_DEFINES", | ||
| "VC_EXTRALEAN", | ||
| "_CRT_SECURE_NO_WARNINGS", | ||
| "_CRT_SECURE_NO_DEPRECATE", | ||
| "_SCL_SECURE_NO_WARNINGS", | ||
| "_SCL_SECURE_NO_DEPRECATE", | ||
| "_ALLOW_KEYWORD_MACROS", | ||
| ("_HAS_EXCEPTIONS", 0), | ||
| "NOMINMAX", | ||
| "HAVE_STRUCT_TIMESPEC", | ||
| ] | ||
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| # This is needed since rendering_device_d3d12.cpp needs to include some Mesa internals. | ||
| env_d3d12_rd.Prepend(CPPPATH=mesa_private_inc_paths) | ||
| # For the same reason as above, the defines must be the same as in the 3rd-party code itself. | ||
| env_d3d12_rd.Append(CPPDEFINES=extra_defines) | ||
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| # Add all. | ||
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| env.drivers_sources += thirdparty_obj | ||
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| # Godot source files. | ||
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| driver_obj = [] | ||
| env_d3d12_rd.add_source_files(driver_obj, "*.cpp") | ||
| env.drivers_sources += driver_obj | ||
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| # Needed to force rebuilding the driver files when the thirdparty code is updated. | ||
| env.Depends(driver_obj, thirdparty_obj) |
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