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cmake: split SDL_NEON into SDL_NEON and SDL_NEON_BLITTERS

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Anonymous Maarten 2023-04-04 21:47:00 +02:00 committed by Ryan C. Gordon
parent cf2c6fa58d
commit 029e61a07e
1 changed files with 24 additions and 6 deletions
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30
CMakeLists.txt
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@ -383,7 +383,8 @@ dep_option(SDL_SSE4_2 "Use SSE4.2 assembly routines" ON "SDL_ASSEMB
dep_option(SDL_MMX "Use MMX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_ALTIVEC "Use Altivec assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_POWERPC32 OR SDL_CPU_POWERPC64" OFF)
dep_option(SDL_ARMSIMD "Use SIMD assembly blitters on ARM" OFF "SDL_ASSEMBLY;SDL_CPU_ARM32" OFF)
dep_option(SDL_ARMNEON "Use NEON assembly blitters on ARM" OFF "SDL_ASSEMBLY;SDL_CPU_ARM32" OFF)
dep_option(SDL_ARMNEON "Use NEON assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_ARM32 OR SDL_CPU_ARM64" OFF)
dep_option(SDL_ARMNEON_BLITTERS "Use NEON assembly blitters on ARM32" OFF "SDL_VIDEO;SDL_ASSEMBLY;SDL_ARMNEON;SDL_CPU_ARM32" OFF)
dep_option(SDL_LSX "Use LSX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_LOONGARCH64" OFF)
dep_option(SDL_LASX "Use LASX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_LOONGARCH64" OFF)
@ -1016,7 +1017,7 @@ if(SDL_ASSEMBLY)
endif()
endif()
if(SDL_ARMNEON)
if(SDL_ARMNEON_BLITTERS)
cmake_push_check_state()
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -x assembler-with-cpp")
list(APPEND CMAKE_REQUIRED_LINK_OPTIONS -x none)
@ -1035,11 +1036,10 @@ if(SDL_ASSEMBLY)
.global main
pld [r0]
vmovn.u16 d0, q0
" ARMNEON_FOUND)
" COMPILER_SUPPORTS_ARMNEON_ASSEMBLY)
cmake_pop_check_state()
if(ARMNEON_FOUND)
set(HAVE_ARMNEON TRUE)
if(COMPILER_SUPPORTS_ARMNEON_ASSEMBLY)
set(HAVE_ARMNEON_BLITTERS TRUE)
set(SDL_ARM_NEON_BLITTERS 1)
enable_language(ASM)
file(GLOB ARMNEON_SOURCES ${SDL3_SOURCE_DIR}/src/video/arm/pixman-arm-neon*.S)
@ -1048,6 +1048,24 @@ if(SDL_ASSEMBLY)
set(WARN_ABOUT_ARM_NEON_ASM_MIT TRUE)
endif()
endif()
if(SDL_ARMNEON)
check_c_source_compiles("
#include <arm_neon.h>
void floats_add(float *dest, float *a, float *b, unsigned size) {
for (; size >= 4; size -= 4, dest += 4, a += 4, b += 4) {
vst1q_f32(dest, vaddq_f32(vld1q_f32(a), vld1q_f32(b)));
}
}
int main(int argc, char *argv[]) {
floats_add((float*)0, (float*)0, (float*)0, 0);
return 0;
}" COMPILER_SUPPORTS_ARMNEON)
if(COMPILER_SUPPORTS_ARMNEON)
set(HAVE_ARMNEON TRUE)
endif()
endif()
endif()
endif()