nv2a: Add CPU emulation of nv2a vertex shader

.gitmodules

@@ -82,3 +82,6 @@
 [submodule "tomlplusplus"]
 	path = tomlplusplus
 	url = https://github.com/marzer/tomlplusplus
+[submodule "hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu"]
+	path = hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu
+	url = https://github.com/abaire/nv2a_vsh_cpu.git

configure

@@ -261,7 +261,7 @@ else
     git_submodules_action="ignore"
 fi
 
-git_submodules="ui/keycodemapdb ui/thirdparty/imgui ui/thirdparty/implot util/xxHash tomlplusplus genconfig"
+git_submodules="ui/keycodemapdb ui/thirdparty/imgui ui/thirdparty/implot util/xxHash tomlplusplus genconfig hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu"
 git="git"
 
 # Don't accept a target_list environment variable.

hw/xbox/nv2a/meson.build

@@ -22,3 +22,6 @@ specific_ss.add(files(
 	's3tc.c',
 	))
 subdir('gl')
+
+subdir('thirdparty')
+specific_ss.add(nv2a_vsh_cpu)

hw/xbox/nv2a/thirdparty/meson.build

@@ -0,0 +1,12 @@
+nv2a_vsh_cpu_files = files(
+  'nv2a_vsh_cpu/src/nv2a_vsh_cpu.c',
+  'nv2a_vsh_cpu/src/nv2a_vsh_disassembler.c',
+  'nv2a_vsh_cpu/src/nv2a_vsh_emulator.c',
+  'nv2a_vsh_cpu/src/nv2a_vsh_emulator_execution_state.c',
+)
+
+libnv2a_vsh_cpu = static_library('nv2a_vsh_cpu',
+                          sources: nv2a_vsh_cpu_files,
+                          include_directories: ['.', 'nv2a_vsh_cpu/src'])
+nv2a_vsh_cpu = declare_dependency(link_with: libnv2a_vsh_cpu,
+                           include_directories: ['nv2a_vsh_cpu/src'])

licenses/nv2a_vsh_cpu.license.txt

@@ -0,0 +1,24 @@
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <https://unlicense.org>

scripts/archive-source.sh

@@ -29,6 +29,7 @@ sub_file="${sub_tdir}/submodule.tar"
 submodules="dtc slirp meson ui/keycodemapdb"
 submodules="$submodules tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3"
 submodules="$submodules ui/thirdparty/imgui ui/thirdparty/implot util/xxHash tomlplusplus genconfig" # xemu extras
+submodules="$submodules hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu"
 sub_deinit=""
 
 function cleanup() {

scripts/gen-license.py

@@ -225,6 +225,12 @@ def head(self):
 	version='6926f5a0a78f22d42b074a0ab8032e07736babd4'
 	),
 
+Lib('nv2a_vsh_cpu', 'https://github.com/abaire/nv2a_vsh_cpu',
+	unlicense, 'https://raw.githubusercontent.com/abaire/nv2a_vsh_cpu/main/LICENSE',
+	ships_static=all_platforms,
+	submodule=Submodule('hw/xbox/nv2a/thirdparty/nv2a_vsh_cpu')
+	),
+
 #
 # Data files included with xemu
 #