Final exam version

venv/include/site/python3.12/pygame/simd_blitters.h

@@ -0,0 +1,84 @@
+#define NO_PYGAME_C_API
+#include "_surface.h"
+#include "_blit_info.h"
+
+#if !defined(PG_ENABLE_ARM_NEON) && defined(__aarch64__)
+// arm64 has neon optimisations enabled by default, even when fpu=neon is not
+// passed
+#define PG_ENABLE_ARM_NEON 1
+#endif
+
+int
+pg_sse2_at_runtime_but_uncompiled();
+int
+pg_neon_at_runtime_but_uncompiled();
+int
+pg_avx2_at_runtime_but_uncompiled();
+
+#if (defined(__SSE2__) || defined(PG_ENABLE_ARM_NEON))
+void
+alphablit_alpha_sse2_argb_surf_alpha(SDL_BlitInfo *info);
+void
+alphablit_alpha_sse2_argb_no_surf_alpha(SDL_BlitInfo *info);
+void
+alphablit_alpha_sse2_argb_no_surf_alpha_opaque_dst(SDL_BlitInfo *info);
+void
+blit_blend_rgba_mul_sse2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_mul_sse2(SDL_BlitInfo *info);
+void
+blit_blend_rgba_add_sse2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_add_sse2(SDL_BlitInfo *info);
+void
+blit_blend_rgba_sub_sse2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_sub_sse2(SDL_BlitInfo *info);
+void
+blit_blend_rgba_max_sse2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_max_sse2(SDL_BlitInfo *info);
+void
+blit_blend_rgba_min_sse2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_min_sse2(SDL_BlitInfo *info);
+void
+blit_blend_premultiplied_sse2(SDL_BlitInfo *info);
+#endif /* (defined(__SSE2__) || defined(PG_ENABLE_ARM_NEON)) */
+
+/* Deliberately putting these outside of the preprocessor guards as I want to
+   move to a system of trusting the runtime checks to head to the right
+   function and having a fallback function there if pygame is not compiled
+   with the right stuff (this is the strategy used for AVX2 right now.
+   Potentially I might want to shift both these into a slightly different
+   file as they are not exactly blits (though v. similar) - or I could rename
+   the SIMD trilogy of files to replace the word blit with something more
+   generic like surface_ops*/
+
+void
+premul_surf_color_by_alpha_non_simd(SDL_Surface *src, SDL_Surface *dst);
+void
+premul_surf_color_by_alpha_sse2(SDL_Surface *src, SDL_Surface *dst);
+
+int
+pg_has_avx2();
+void
+blit_blend_rgba_mul_avx2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_mul_avx2(SDL_BlitInfo *info);
+void
+blit_blend_rgba_add_avx2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_add_avx2(SDL_BlitInfo *info);
+void
+blit_blend_rgba_sub_avx2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_sub_avx2(SDL_BlitInfo *info);
+void
+blit_blend_rgba_max_avx2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_max_avx2(SDL_BlitInfo *info);
+void
+blit_blend_rgba_min_avx2(SDL_BlitInfo *info);
+void
+blit_blend_rgb_min_avx2(SDL_BlitInfo *info);