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slouken committed Feb 7, 2006
1 parent 07c43c5 commit 3daf8cc6eb919ff1af0369123dfb461debff477f
Showing with 9 additions and 10 deletions.
  1. +5 −8 src/video/SDL_blit_N.c
  2. +4 −2 src/video/math_private.h
@@ -21,6 +21,7 @@
*/

#include "SDL_types.h"
#include "SDL_string.h"
#include "SDL_video.h"
#include "SDL_blit.h"
#include "SDL_byteorder.h"
@@ -657,9 +658,7 @@ static void ConvertAltivec32to32_noprefetch(SDL_BlitInfo *info)
Uint32 *dst = (Uint32 *) info->d_pixels;
int dstskip = info->d_skip;
SDL_PixelFormat *srcfmt = info->src;
int srcbpp = srcfmt->BytesPerPixel;
SDL_PixelFormat *dstfmt = info->dst;
int dstbpp = dstfmt->BytesPerPixel;
vector unsigned int vzero = vec_splat_u32(0);
vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
if (dstfmt->Amask && !srcfmt->Amask) {
@@ -670,8 +669,8 @@ static void ConvertAltivec32to32_noprefetch(SDL_BlitInfo *info)
}
}

assert(srcbpp == 4);
assert(dstbpp == 4);
assert(srcfmt->BytesPerPixel == 4);
assert(dstfmt->BytesPerPixel == 4);

while (height--) {
vector unsigned char valigner;
@@ -737,9 +736,7 @@ static void ConvertAltivec32to32_prefetch(SDL_BlitInfo *info)
Uint32 *dst = (Uint32 *) info->d_pixels;
int dstskip = info->d_skip;
SDL_PixelFormat *srcfmt = info->src;
int srcbpp = srcfmt->BytesPerPixel;
SDL_PixelFormat *dstfmt = info->dst;
int dstbpp = dstfmt->BytesPerPixel;
vector unsigned int vzero = vec_splat_u32(0);
vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
if (dstfmt->Amask && !srcfmt->Amask) {
@@ -750,8 +747,8 @@ static void ConvertAltivec32to32_prefetch(SDL_BlitInfo *info)
}
}

assert(srcbpp == 4);
assert(dstbpp == 4);
assert(srcfmt->BytesPerPixel == 4);
assert(dstfmt->BytesPerPixel == 4);

while (height--) {
vector unsigned char valigner;
@@ -19,8 +19,10 @@

#include "SDL_endian.h"

typedef Sint32 int32_t;
typedef Uint32 u_int32_t;
#define int32_t math_int32_t
#define u_int32_t math_u_int32_t
typedef Sint32 math_int32_t;
typedef Uint32 math_u_int32_t;

/* The original fdlibm code used statements like:
n0 = ((*(int*)&one)>>29)^1; * index of high word *

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