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Use CLAY_DISABLE_SIMD

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Philosoph228 2025-04-02 11:22:45 +05:00
parent addea58fea
commit 222fd49793
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1 changed files with 14 additions and 16 deletions
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30
renderers/win32_gdi/clay_renderer_gdi.c
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@ -1,10 +1,7 @@
#include <Windows.h>
// #define USE_INTRINSICS
// #define USE_FAST_SQRT
#if defined(USE_INTRINSICS)
#include <immintrin.h>
#if !defined(CLAY_DISABLE_SIMD) && (defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64))
#include <immintrin.h> // AVX intrinsincs for faster sqrtf
#endif
#include "../../clay.h"
@ -20,23 +17,15 @@ bool gdi_fabulous = true;
/*----------------------------------------------------------------------------+
| Math stuff start |
+----------------------------------------------------------------------------*/
#if defined(USE_INTRINSICS)
#define sqrtf_impl(x) intrin_sqrtf(x)
#elif defined(USE_FAST_SQRT)
#define sqrtf_impl(x) fast_sqrtf(x)
#else
#define sqrtf_impl(x) sqrtf(x) // Fallback to std sqrtf
#endif
// Use intrinsics
#if defined(USE_INTRINSICS)
// Intrinsincs wrappers
#if !defined(CLAY_DISABLE_SIMD) && (defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64))
inline float intrin_sqrtf(const float f)
{
__m128 temp = _mm_set_ss(f);
temp = _mm_sqrt_ss(temp);
return _mm_cvtss_f32(temp);
}
#endif // defined(USE_INTRINSICS)
#endif
// Use fast inverse square root
#if defined(USE_FAST_SQRT)
@ -65,6 +54,15 @@ float fast_sqrtf(float number)
return number * fast_inv_sqrtf(number);
}
#endif
// sqrtf_impl implementation chooser
#if !defined(CLAY_DISABLE_SIMD) && (defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64))
#define sqrtf_impl(x) intrin_sqrtf(x)
#elif defined(USE_FAST_SQRT)
#define sqrtf_impl(x) fast_sqrtf(x)
#else
#define sqrtf_impl(x) sqrtf(x) // Fallback to std sqrtf
#endif
/*----------------------------------------------------------------------------+
| Math stuff end |
+----------------------------------------------------------------------------*/