SHA256
1
0
forked from pool/SDL2
SDL2/SDL2-ppc64-declaration-after-statement.patch

55 lines
2.1 KiB
Diff

# 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);