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--- SDL2-2.0.5.orig/src/video/SDL_blit_N.c
+++ SDL2-2.0.5/src/video/SDL_blit_N.c
@@ -118,12 +118,6 @@
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,
@@ -132,10 +126,16 @@
vector unsigned char vswiz;
vector unsigned int srcvec;
#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;
+ Uint32 rmask, gmask, bmask, amask;
+ if (!srcfmt) {
+ srcfmt = &default_pixel_format;
+ }
+ if (!dstfmt) {
+ dstfmt = &default_pixel_format;
+ }
+ 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 =
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