bump submodules and add new sources to spirv-opt.cmake

Bumps the submodules group with 2 updates: [bgfx](https://github.com/bkaradzic/bgfx) and [bx](https://github.com/bkaradzic/bx).


Updates `bgfx` from `7a70927` to `b0e9cbd`
- [Commits](7a70927d2a...b0e9cbd110)

Updates `bx` from `eda3839` to `59d9249`
- [Commits](eda38395dd...59d9249854)

---
updated-dependencies:
- dependency-name: bgfx
  dependency-version: b0e9cbd11041a602067ef00b22a281a922f8e1b2
  dependency-type: direct:production
  dependency-group: submodules
- dependency-name: bx
  dependency-version: 59d9249854f1f588dc9e7a79549fe954bcd8a5e7
  dependency-type: direct:production
  dependency-group: submodules
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     name: Check compatibility with minimum cmake version
     runs-on: ubuntu-latest
     env:
-      CMAKE_VERSION: 3.10.2
+      CMAKE_VERSION: 3.20.0
     steps:
       - uses: actions/checkout@v4
         with:

CMakeLists.txt

@@ -8,12 +8,12 @@
 # You should have received a copy of the CC0 Public Domain Dedication along with
 # this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
 
-cmake_minimum_required(VERSION 3.10.2) # version supported by android studio
+cmake_minimum_required(VERSION 3.20) # C++20 support required
 project(bgfx)
 cmake_policy(SET CMP0054 NEW)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 

cmake/bgfx/3rdparty/spirv-opt.cmake

@@ -84,6 +84,7 @@ file(
 	${SPIRV_TOOLS}/source/util/hex_float.h
 	${SPIRV_TOOLS}/source/util/parse_number.cpp
 	${SPIRV_TOOLS}/source/util/parse_number.h
+	${SPIRV_TOOLS}/source/util/status.h
 	${SPIRV_TOOLS}/source/util/string_utils.cpp
 	${SPIRV_TOOLS}/source/util/string_utils.h
 	${SPIRV_TOOLS}/source/util/timer.h
@@ -112,6 +113,7 @@ file(
 	${SPIRV_TOOLS}/source/val/validate_execution_limitations.cpp
 	${SPIRV_TOOLS}/source/val/validate_extensions.cpp
 	${SPIRV_TOOLS}/source/val/validate_function.cpp
+	${SPIRV_TOOLS}/source/val/validate_graph.cpp
 	${SPIRV_TOOLS}/source/val/validate_id.cpp
 	${SPIRV_TOOLS}/source/val/validate_image.cpp
 	${SPIRV_TOOLS}/source/val/validate_instruction.cpp
@@ -119,6 +121,7 @@ file(
 	${SPIRV_TOOLS}/source/val/validate_invalid_type.cpp
 	${SPIRV_TOOLS}/source/val/validate_layout.cpp
 	${SPIRV_TOOLS}/source/val/validate_literals.cpp
+	${SPIRV_TOOLS}/source/val/validate_logical_pointers.cpp
 	${SPIRV_TOOLS}/source/val/validate_logicals.cpp
 	${SPIRV_TOOLS}/source/val/validate_memory.cpp
 	${SPIRV_TOOLS}/source/val/validate_memory_semantics.cpp

cmake/bgfx/bgfx.cmake

@@ -19,22 +19,25 @@ if(NOT IS_DIRECTORY ${BGFX_DIR})
 	return()
 endif()
 
-if(NOT APPLE)
-	set(BGFX_AMALGAMATED_SOURCE ${BGFX_DIR}/src/amalgamated.cpp)
-else()
-	set(BGFX_AMALGAMATED_SOURCE ${BGFX_DIR}/src/amalgamated.mm)
-endif()
-
 # Grab the bgfx source files
 file(
 	GLOB
 	BGFX_SOURCES
 	${BGFX_DIR}/src/*.cpp
-	${BGFX_DIR}/src/*.mm
 	${BGFX_DIR}/src/*.h
 	${BGFX_DIR}/include/bgfx/*.h
 	${BGFX_DIR}/include/bgfx/c99/*.h
 )
+
+if(APPLE)
+	file(GLOB BGFX_OBJC_SOURCES ${BGFX_DIR}/src/*.mm)
+	list(APPEND BGFX_SOURCES ${BGFX_OBJC_SOURCES})
+	list(REMOVE_ITEM BGFX_SOURCES ${BGFX_DIR}/src/amalgamated.cpp)
+	set(BGFX_AMALGAMATED_SOURCE ${BGFX_DIR}/src/amalgamated.mm)
+else()
+	set(BGFX_AMALGAMATED_SOURCE ${BGFX_DIR}/src/amalgamated.cpp)
+endif()
+
 if(BGFX_AMALGAMATED)
 	set(BGFX_NOBUILD ${BGFX_SOURCES})
 	list(REMOVE_ITEM BGFX_NOBUILD ${BGFX_AMALGAMATED_SOURCE})
@@ -43,8 +46,7 @@ if(BGFX_AMALGAMATED)
 	endforeach()
 else()
 	# Do not build using amalgamated sources
-	set_source_files_properties(${BGFX_DIR}/src/amalgamated.cpp PROPERTIES HEADER_FILE_ONLY ON)
-	set_source_files_properties(${BGFX_DIR}/src/amalgamated.mm PROPERTIES HEADER_FILE_ONLY ON)
+	set_source_files_properties(${BGFX_AMALGAMATED_SOURCE} PROPERTIES HEADER_FILE_ONLY ON)
 endif()
 
 # Create the bgfx target