# https://bugzilla.libsdl.org/show_bug.cgi?id=3466 # commits 5184186d4366 and fbf9b0e3589a # PATCH-FIX-UPSTREAM SDL2-declaration-after-statement.patch # backported to fix build on Factory/ppc64, cf. https://bugzilla.libsdl.org/show_bug.cgi?id=3466 # diff -udpr SDL2-2.0.5.orig/src/video/SDL_blit_N.c SDL2-2.0.5/src/video/SDL_blit_N.c --- SDL2-2.0.5.orig/src/video/SDL_blit_N.c 2016-10-20 05:56:26.000000000 +0200 +++ SDL2-2.0.5/src/video/SDL_blit_N.c 2016-10-23 09:58:57.319897519 +0200 @@ -118,12 +118,6 @@ calc_swizzle32(const SDL_PixelFormat * s 16, 8, 0, 24, 0, NULL }; - if (!srcfmt) { - srcfmt = &default_pixel_format; - } - if (!dstfmt) { - dstfmt = &default_pixel_format; - } const vector unsigned char plus = VECUINT8_LITERAL(0x00, 0x00, 0x00, 0x00, 0x04, 0x04, 0x04, 0x04, 0x08, 0x08, 0x08, 0x08, @@ -131,11 +125,20 @@ calc_swizzle32(const SDL_PixelFormat * s 0x0C); vector unsigned char vswiz; vector unsigned int srcvec; + Uint32 rmask, gmask, bmask, amask; + + if (!srcfmt) { + srcfmt = &default_pixel_format; + } + if (!dstfmt) { + dstfmt = &default_pixel_format; + } + #define RESHIFT(X) (3 - ((X) >> 3)) - Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); - Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); - Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); - Uint32 amask; + rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); + gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); + bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); + /* Use zero for alpha if either surface doesn't have alpha */ if (dstfmt->Amask) { amask = @@ -147,6 +150,7 @@ calc_swizzle32(const SDL_PixelFormat * s 0xFFFFFFFF); } #undef RESHIFT + ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask); vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0)); return (vswiz);