libobs,cmake: Replace vendored SIMD Everywhere by prefix/system install

SIMD Everywhere finder needs to be installed alongside libobs CMake
package since its headers depends on it.

macOS AVX intrinsics is included to make sure that AVX defines are
present.

.github/scripts/utils.zsh/setup_ubuntu

@@ -93,6 +93,7 @@ sudo apt-get install -y --no-install-recommends \
   libgl1-mesa-dev \
   libjansson-dev \
   uthash-dev \
+  libsimde-dev \
   libluajit-5.1-dev python3-dev \
   libx11-dev libxcb-randr0-dev libxcb-shm0-dev libxcb-xinerama0-dev \
   libxcb-composite0-dev libxinerama-dev libxcb1-dev libx11-xcb-dev libxcb-xfixes0-dev \

build-aux/com.obsproject.Studio.json

@@ -65,6 +65,7 @@
         "modules/50-vpl-gpu-rt.json",
         "modules/90-asio.json",
         "modules/90-nlohmann-json.json",
+        "modules/90-simde.json",
         "modules/90-uthash.json",
         "modules/90-websocketpp.json",
         "modules/99-cef.json",

build-aux/modules/90-simde.json

@@ -0,0 +1,16 @@
+{
+    "name": "simde",
+    "buildsystem": "meson",
+    "builddir": true,
+    "config-opts": [
+        "-Dtests=false"
+    ],
+    "sources": [
+        {
+            "type": "git",
+            "url": "https://github.com/simd-everywhere/simde.git",
+            "tag": "v0.8.2",
+            "commit": "71fd833d9666141edcd1d3c109a80e228303d8d7"
+        }
+    ]
+}

cmake/common/helpers_common.cmake

@@ -426,6 +426,14 @@ function(target_export target)
     DESTINATION "${package_destination}"
     COMPONENT Development
     ${exclude_variant})
+
+  if(target STREQUAL libobs)
+    install(
+      FILES "${CMAKE_SOURCE_DIR}/cmake/finders/FindSIMDE.cmake"
+      DESTINATION "${package_destination}/finders"
+      COMPONENT Development
+      ${exclude_variant})
+  endif()
 endfunction()
 
 # check_uuid: Helper function to check for valid UUID

cmake/finders/FindSIMDE.cmake

@@ -1,6 +1,6 @@
 #[=======================================================================[.rst
 FindSIMDE
--------
+---------
 
 FindModule for SIMD Everywhere
 
@@ -70,9 +70,9 @@ else()
 endif()
 
 if(CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin|Windows")
-  set(AMF_ERROR_REASON "Ensure that obs-deps is provided as part of CMAKE_PREFIX_PATH.")
+  set(SIMDE_ERROR_REASON "Ensure that obs-deps is provided as part of CMAKE_PREFIX_PATH.")
 elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD")
-  set(AMF_ERROR_REASON "Ensure SIMD Everywhere is available in local library paths.")
+  set(SIMDE_ERROR_REASON "Ensure SIMD Everywhere is available in local library paths.")
 endif()
 
 find_package_handle_standard_args(

libobs/CMakeLists.txt

@@ -4,6 +4,7 @@ legacy_check()
 
 include(cmake/obs-version.cmake)
 
+find_package(SIMDE REQUIRED)
 find_package(Threads REQUIRED)
 
 # cmake-format: off
@@ -142,24 +143,6 @@ target_sources(
           util/util_uint128.h
           util/util_uint64.h)
 
-target_sources(
-  libobs
-  PRIVATE # cmake-format: sortable
-          util/simde/check.h
-          util/simde/debug-trap.h
-          util/simde/hedley.h
-          util/simde/simde-align.h
-          util/simde/simde-arch.h
-          util/simde/simde-common.h
-          util/simde/simde-constify.h
-          util/simde/simde-detect-clang.h
-          util/simde/simde-diagnostic.h
-          util/simde/simde-features.h
-          util/simde/simde-math.h
-          util/simde/x86/mmx.h
-          util/simde/x86/sse.h
-          util/simde/x86/sse2.h)
-
 target_sources(
   libobs
   PRIVATE # cmake-format: sortable
@@ -260,7 +243,7 @@ target_link_libraries(
           jansson::jansson
           Uthash::Uthash
           ZLIB::ZLIB
-  PUBLIC Threads::Threads)
+  PUBLIC SIMDE::SIMDE Threads::Threads)
 
 if(OS_WINDOWS)
   include(cmake/os-windows.cmake)
@@ -354,20 +337,6 @@ set(public_headers
     util/profiler.h
     util/profiler.hpp
     util/serializer.h
-    util/simde/check.h
-    util/simde/debug-trap.h
-    util/simde/hedley.h
-    util/simde/simde-align.h
-    util/simde/simde-arch.h
-    util/simde/simde-common.h
-    util/simde/simde-constify.h
-    util/simde/simde-detect-clang.h
-    util/simde/simde-diagnostic.h
-    util/simde/simde-features.h
-    util/simde/simde-math.h
-    util/simde/x86/mmx.h
-    util/simde/x86/sse.h
-    util/simde/x86/sse2.h
     util/sse-intrin.h
     util/task.h
     util/text-lookup.h

libobs/cmake/libobsConfig.cmake.in

@@ -2,9 +2,12 @@
 
 include(CMakeFindDependencyMacro)
 
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/finders")
+
 if(MSVC)
   find_dependency(w32-pthreads REQUIRED)
 endif()
+find_dependency(SIMDE REQUIRED)
 find_dependency(Threads REQUIRED)
 
 include("${CMAKE_CURRENT_LIST_DIR}/@[email protected]")