src/video/SDL_blit_A.c
changeset 5259 6a65c1fc07af
parent 3697 f7b03b6838cb
child 5262 b530ef003506
     1.1 --- a/src/video/SDL_blit_A.c	Fri Feb 11 14:42:58 2011 -0800
     1.2 +++ b/src/video/SDL_blit_A.c	Fri Feb 11 14:51:04 2011 -0800
     1.3 @@ -419,806 +419,6 @@
     1.4  
     1.5  #endif /* __MMX__ */
     1.6  
     1.7 -#if SDL_ALTIVEC_BLITTERS
     1.8 -#if __MWERKS__
     1.9 -#pragma altivec_model on
    1.10 -#endif
    1.11 -#if HAVE_ALTIVEC_H
    1.12 -#include <altivec.h>
    1.13 -#endif
    1.14 -#include <assert.h>
    1.15 -
    1.16 -#if (defined(__MACOSX__) && (__GNUC__ < 4))
    1.17 -#define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
    1.18 -        (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p )
    1.19 -#define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
    1.20 -        (vector unsigned short) ( a,b,c,d,e,f,g,h )
    1.21 -#else
    1.22 -#define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \
    1.23 -        (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p }
    1.24 -#define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \
    1.25 -        (vector unsigned short) { a,b,c,d,e,f,g,h }
    1.26 -#endif
    1.27 -
    1.28 -#define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F)
    1.29 -#define VECPRINT(msg, v) do { \
    1.30 -    vector unsigned int tmpvec = (vector unsigned int)(v); \
    1.31 -    unsigned int *vp = (unsigned int *)&tmpvec; \
    1.32 -    printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \
    1.33 -} while (0)
    1.34 -
    1.35 -/* the permuation vector that takes the high bytes out of all the appropriate shorts 
    1.36 -    (vector unsigned char)(
    1.37 -        0x00, 0x10, 0x02, 0x12,
    1.38 -        0x04, 0x14, 0x06, 0x16,
    1.39 -        0x08, 0x18, 0x0A, 0x1A,
    1.40 -        0x0C, 0x1C, 0x0E, 0x1E );
    1.41 -*/
    1.42 -#define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F)))
    1.43 -#define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12)))
    1.44 -#define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24()))
    1.45 -#define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \
    1.46 -    ? vec_lvsl(0, src) \
    1.47 -    : vec_add(vec_lvsl(8, src), vec_splat_u8(8)))
    1.48 -
    1.49 -
    1.50 -#define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \
    1.51 -    /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \
    1.52 -    vector unsigned short vtemp1 = vec_mule(vs, valpha); \
    1.53 -    /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \
    1.54 -    vector unsigned short vtemp2 = vec_mulo(vs, valpha); \
    1.55 -    /* valpha2 is 255-alpha */ \
    1.56 -    vector unsigned char valpha2 = vec_nor(valpha, valpha); \
    1.57 -    /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \
    1.58 -    vector unsigned short vtemp3 = vec_mule(vd, valpha2); \
    1.59 -    /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \
    1.60 -    vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \
    1.61 -    /* add source and dest */ \
    1.62 -    vtemp1 = vec_add(vtemp1, vtemp3); \
    1.63 -    vtemp2 = vec_add(vtemp2, vtemp4); \
    1.64 -    /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \
    1.65 -    vtemp1 = vec_add(vtemp1, v1_16); \
    1.66 -    vtemp3 = vec_sr(vtemp1, v8_16); \
    1.67 -    vtemp1 = vec_add(vtemp1, vtemp3); \
    1.68 -    /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \
    1.69 -    vtemp2 = vec_add(vtemp2, v1_16); \
    1.70 -    vtemp4 = vec_sr(vtemp2, v8_16); \
    1.71 -    vtemp2 = vec_add(vtemp2, vtemp4); \
    1.72 -    /* (>>8) and get ARGBARGBARGBARGB */ \
    1.73 -    vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \
    1.74 -} while (0)
    1.75 -
    1.76 -/* Calculate the permute vector used for 32->32 swizzling */
    1.77 -static vector unsigned char
    1.78 -calc_swizzle32(const SDL_PixelFormat * srcfmt, const SDL_PixelFormat * dstfmt)
    1.79 -{
    1.80 -    /*
    1.81 -     * We have to assume that the bits that aren't used by other
    1.82 -     *  colors is alpha, and it's one complete byte, since some formats
    1.83 -     *  leave alpha with a zero mask, but we should still swizzle the bits.
    1.84 -     */
    1.85 -    /* ARGB */
    1.86 -    const static struct SDL_PixelFormat default_pixel_format = {
    1.87 -        NULL, 0, 0,
    1.88 -        0, 0, 0, 0,
    1.89 -        16, 8, 0, 24,
    1.90 -        0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000
    1.91 -    };
    1.92 -    if (!srcfmt) {
    1.93 -        srcfmt = &default_pixel_format;
    1.94 -    }
    1.95 -    if (!dstfmt) {
    1.96 -        dstfmt = &default_pixel_format;
    1.97 -    }
    1.98 -    const vector unsigned char plus = VECUINT8_LITERAL(0x00, 0x00, 0x00, 0x00,
    1.99 -                                                       0x04, 0x04, 0x04, 0x04,
   1.100 -                                                       0x08, 0x08, 0x08, 0x08,
   1.101 -                                                       0x0C, 0x0C, 0x0C,
   1.102 -                                                       0x0C);
   1.103 -    vector unsigned char vswiz;
   1.104 -    vector unsigned int srcvec;
   1.105 -#define RESHIFT(X) (3 - ((X) >> 3))
   1.106 -    Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift);
   1.107 -    Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift);
   1.108 -    Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift);
   1.109 -    Uint32 amask;
   1.110 -    /* Use zero for alpha if either surface doesn't have alpha */
   1.111 -    if (dstfmt->Amask) {
   1.112 -        amask =
   1.113 -            ((srcfmt->Amask) ? RESHIFT(srcfmt->
   1.114 -                                       Ashift) : 0x10) << (dstfmt->Ashift);
   1.115 -    } else {
   1.116 -        amask =
   1.117 -            0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^
   1.118 -                          0xFFFFFFFF);
   1.119 -    }
   1.120 -#undef RESHIFT
   1.121 -    ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask);
   1.122 -    vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0));
   1.123 -    return (vswiz);
   1.124 -}
   1.125 -
   1.126 -static void
   1.127 -Blit32to565PixelAlphaAltivec(SDL_BlitInfo * info)
   1.128 -{
   1.129 -    int height = info->dst_h;
   1.130 -    Uint8 *src = (Uint8 *) info->src;
   1.131 -    int srcskip = info->src_skip;
   1.132 -    Uint8 *dst = (Uint8 *) info->dst;
   1.133 -    int dstskip = info->dst_skip;
   1.134 -    SDL_PixelFormat *srcfmt = info->src_fmt;
   1.135 -
   1.136 -    vector unsigned char v0 = vec_splat_u8(0);
   1.137 -    vector unsigned short v8_16 = vec_splat_u16(8);
   1.138 -    vector unsigned short v1_16 = vec_splat_u16(1);
   1.139 -    vector unsigned short v2_16 = vec_splat_u16(2);
   1.140 -    vector unsigned short v3_16 = vec_splat_u16(3);
   1.141 -    vector unsigned int v8_32 = vec_splat_u32(8);
   1.142 -    vector unsigned int v16_32 = vec_add(v8_32, v8_32);
   1.143 -    vector unsigned short v3f =
   1.144 -        VECUINT16_LITERAL(0x003f, 0x003f, 0x003f, 0x003f,
   1.145 -                          0x003f, 0x003f, 0x003f, 0x003f);
   1.146 -    vector unsigned short vfc =
   1.147 -        VECUINT16_LITERAL(0x00fc, 0x00fc, 0x00fc, 0x00fc,
   1.148 -                          0x00fc, 0x00fc, 0x00fc, 0x00fc);
   1.149 -
   1.150 -    /* 
   1.151 -       0x10 - 0x1f is the alpha
   1.152 -       0x00 - 0x0e evens are the red
   1.153 -       0x01 - 0x0f odds are zero
   1.154 -     */
   1.155 -    vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01,
   1.156 -                                                       0x10, 0x02, 0x01, 0x01,
   1.157 -                                                       0x10, 0x04, 0x01, 0x01,
   1.158 -                                                       0x10, 0x06, 0x01,
   1.159 -                                                       0x01);
   1.160 -    vector unsigned char vredalpha2 =
   1.161 -        (vector unsigned char) (vec_add((vector unsigned int) vredalpha1,
   1.162 -                                        vec_sl(v8_32, v16_32))
   1.163 -        );
   1.164 -    /*
   1.165 -       0x00 - 0x0f is ARxx ARxx ARxx ARxx
   1.166 -       0x11 - 0x0f odds are blue
   1.167 -     */
   1.168 -    vector unsigned char vblue1 = VECUINT8_LITERAL(0x00, 0x01, 0x02, 0x11,
   1.169 -                                                   0x04, 0x05, 0x06, 0x13,
   1.170 -                                                   0x08, 0x09, 0x0a, 0x15,
   1.171 -                                                   0x0c, 0x0d, 0x0e, 0x17);
   1.172 -    vector unsigned char vblue2 =
   1.173 -        (vector unsigned char) (vec_add((vector unsigned int) vblue1, v8_32)
   1.174 -        );
   1.175 -    /*
   1.176 -       0x00 - 0x0f is ARxB ARxB ARxB ARxB
   1.177 -       0x10 - 0x0e evens are green
   1.178 -     */
   1.179 -    vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03,
   1.180 -                                                    0x04, 0x05, 0x12, 0x07,
   1.181 -                                                    0x08, 0x09, 0x14, 0x0b,
   1.182 -                                                    0x0c, 0x0d, 0x16, 0x0f);
   1.183 -    vector unsigned char vgreen2 =
   1.184 -        (vector unsigned
   1.185 -         char) (vec_add((vector unsigned int) vgreen1, vec_sl(v8_32, v8_32))
   1.186 -        );
   1.187 -    vector unsigned char vgmerge = VECUINT8_LITERAL(0x00, 0x02, 0x00, 0x06,
   1.188 -                                                    0x00, 0x0a, 0x00, 0x0e,
   1.189 -                                                    0x00, 0x12, 0x00, 0x16,
   1.190 -                                                    0x00, 0x1a, 0x00, 0x1e);
   1.191 -    vector unsigned char mergePermute = VEC_MERGE_PERMUTE();
   1.192 -    vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL);
   1.193 -    vector unsigned char valphaPermute =
   1.194 -        vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC));
   1.195 -
   1.196 -    vector unsigned short vf800 = (vector unsigned short) vec_splat_u8(-7);
   1.197 -    vf800 = vec_sl(vf800, vec_splat_u16(8));
   1.198 -
   1.199 -    while (height--) {
   1.200 -        int extrawidth;
   1.201 -        vector unsigned char valigner;
   1.202 -        vector unsigned char vsrc;
   1.203 -        vector unsigned char voverflow;
   1.204 -        int width = info->dst_w;
   1.205 -
   1.206 -#define ONE_PIXEL_BLEND(condition, widthvar) \
   1.207 -        while (condition) { \
   1.208 -            Uint32 Pixel; \
   1.209 -            unsigned sR, sG, sB, dR, dG, dB, sA; \
   1.210 -            DISEMBLE_RGBA(src, 4, srcfmt, Pixel, sR, sG, sB, sA); \
   1.211 -            if(sA) { \
   1.212 -                unsigned short dstpixel = *((unsigned short *)dst); \
   1.213 -                dR = (dstpixel >> 8) & 0xf8; \
   1.214 -                dG = (dstpixel >> 3) & 0xfc; \
   1.215 -                dB = (dstpixel << 3) & 0xf8; \
   1.216 -                ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
   1.217 -                *((unsigned short *)dst) = ( \
   1.218 -                    ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \
   1.219 -                ); \
   1.220 -            } \
   1.221 -            src += 4; \
   1.222 -            dst += 2; \
   1.223 -            widthvar--; \
   1.224 -        }
   1.225 -        ONE_PIXEL_BLEND((UNALIGNED_PTR(dst)) && (width), width);
   1.226 -        extrawidth = (width % 8);
   1.227 -        valigner = VEC_ALIGNER(src);
   1.228 -        vsrc = (vector unsigned char) vec_ld(0, src);
   1.229 -        width -= extrawidth;
   1.230 -        while (width) {
   1.231 -            vector unsigned char valpha;
   1.232 -            vector unsigned char vsrc1, vsrc2;
   1.233 -            vector unsigned char vdst1, vdst2;
   1.234 -            vector unsigned short vR, vG, vB;
   1.235 -            vector unsigned short vpixel, vrpixel, vgpixel, vbpixel;
   1.236 -
   1.237 -            /* Load 8 pixels from src as ARGB */
   1.238 -            voverflow = (vector unsigned char) vec_ld(15, src);
   1.239 -            vsrc = vec_perm(vsrc, voverflow, valigner);
   1.240 -            vsrc1 = vec_perm(vsrc, vsrc, vpermute);
   1.241 -            src += 16;
   1.242 -            vsrc = (vector unsigned char) vec_ld(15, src);
   1.243 -            voverflow = vec_perm(voverflow, vsrc, valigner);
   1.244 -            vsrc2 = vec_perm(voverflow, voverflow, vpermute);
   1.245 -            src += 16;
   1.246 -
   1.247 -            /* Load 8 pixels from dst as XRGB */
   1.248 -            voverflow = vec_ld(0, dst);
   1.249 -            vR = vec_and((vector unsigned short) voverflow, vf800);
   1.250 -            vB = vec_sl((vector unsigned short) voverflow, v3_16);
   1.251 -            vG = vec_sl(vB, v2_16);
   1.252 -            vdst1 =
   1.253 -                (vector unsigned char) vec_perm((vector unsigned char) vR,
   1.254 -                                                (vector unsigned char) vR,
   1.255 -                                                vredalpha1);
   1.256 -            vdst1 = vec_perm(vdst1, (vector unsigned char) vB, vblue1);
   1.257 -            vdst1 = vec_perm(vdst1, (vector unsigned char) vG, vgreen1);
   1.258 -            vdst2 =
   1.259 -                (vector unsigned char) vec_perm((vector unsigned char) vR,
   1.260 -                                                (vector unsigned char) vR,
   1.261 -                                                vredalpha2);
   1.262 -            vdst2 = vec_perm(vdst2, (vector unsigned char) vB, vblue2);
   1.263 -            vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2);
   1.264 -
   1.265 -            /* Alpha blend 8 pixels as ARGB */
   1.266 -            valpha = vec_perm(vsrc1, v0, valphaPermute);
   1.267 -            VEC_MULTIPLY_ALPHA(vsrc1, vdst1, valpha, mergePermute, v1_16,
   1.268 -                               v8_16);
   1.269 -            valpha = vec_perm(vsrc2, v0, valphaPermute);
   1.270 -            VEC_MULTIPLY_ALPHA(vsrc2, vdst2, valpha, mergePermute, v1_16,
   1.271 -                               v8_16);
   1.272 -
   1.273 -            /* Convert 8 pixels to 565 */
   1.274 -            vpixel = (vector unsigned short) vec_packpx((vector unsigned int)
   1.275 -                                                        vdst1,
   1.276 -                                                        (vector unsigned int)
   1.277 -                                                        vdst2);
   1.278 -            vgpixel = (vector unsigned short) vec_perm(vdst1, vdst2, vgmerge);
   1.279 -            vgpixel = vec_and(vgpixel, vfc);
   1.280 -            vgpixel = vec_sl(vgpixel, v3_16);
   1.281 -            vrpixel = vec_sl(vpixel, v1_16);
   1.282 -            vrpixel = vec_and(vrpixel, vf800);
   1.283 -            vbpixel = vec_and(vpixel, v3f);
   1.284 -            vdst1 =
   1.285 -                vec_or((vector unsigned char) vrpixel,
   1.286 -                       (vector unsigned char) vgpixel);
   1.287 -            vdst1 = vec_or(vdst1, (vector unsigned char) vbpixel);
   1.288 -
   1.289 -            /* Store 8 pixels */
   1.290 -            vec_st(vdst1, 0, dst);
   1.291 -
   1.292 -            width -= 8;
   1.293 -            dst += 16;
   1.294 -        }
   1.295 -        ONE_PIXEL_BLEND((extrawidth), extrawidth);
   1.296 -#undef ONE_PIXEL_BLEND
   1.297 -        src += srcskip;
   1.298 -        dst += dstskip;
   1.299 -    }
   1.300 -}
   1.301 -
   1.302 -static void
   1.303 -Blit32to32SurfaceAlphaKeyAltivec(SDL_BlitInfo * info)
   1.304 -{
   1.305 -    int height = info->dst_h;
   1.306 -    Uint32 *srcp = (Uint32 *) info->src;
   1.307 -    int srcskip = info->src_skip >> 2;
   1.308 -    Uint32 *dstp = (Uint32 *) info->dst;
   1.309 -    int dstskip = info->dst_skip >> 2;
   1.310 -    SDL_PixelFormat *srcfmt = info->src_fmt;
   1.311 -    SDL_PixelFormat *dstfmt = info->dst_fmt;
   1.312 -    unsigned sA = info->a;
   1.313 -    unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
   1.314 -    Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask;
   1.315 -    Uint32 ckey = info->colorkey;
   1.316 -    vector unsigned char mergePermute;
   1.317 -    vector unsigned char vsrcPermute;
   1.318 -    vector unsigned char vdstPermute;
   1.319 -    vector unsigned char vsdstPermute;
   1.320 -    vector unsigned char valpha;
   1.321 -    vector unsigned char valphamask;
   1.322 -    vector unsigned char vbits;
   1.323 -    vector unsigned char v0;
   1.324 -    vector unsigned short v1;
   1.325 -    vector unsigned short v8;
   1.326 -    vector unsigned int vckey;
   1.327 -    vector unsigned int vrgbmask;
   1.328 -
   1.329 -    mergePermute = VEC_MERGE_PERMUTE();
   1.330 -    v0 = vec_splat_u8(0);
   1.331 -    v1 = vec_splat_u16(1);
   1.332 -    v8 = vec_splat_u16(8);
   1.333 -
   1.334 -    /* set the alpha to 255 on the destination surf */
   1.335 -    valphamask = VEC_ALPHA_MASK();
   1.336 -
   1.337 -    vsrcPermute = calc_swizzle32(srcfmt, NULL);
   1.338 -    vdstPermute = calc_swizzle32(NULL, dstfmt);
   1.339 -    vsdstPermute = calc_swizzle32(dstfmt, NULL);
   1.340 -
   1.341 -    /* set a vector full of alpha and 255-alpha */
   1.342 -    ((unsigned char *) &valpha)[0] = sA;
   1.343 -    valpha = vec_splat(valpha, 0);
   1.344 -    vbits = (vector unsigned char) vec_splat_s8(-1);
   1.345 -
   1.346 -    ckey &= rgbmask;
   1.347 -    ((unsigned int *) (char *) &vckey)[0] = ckey;
   1.348 -    vckey = vec_splat(vckey, 0);
   1.349 -    ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask;
   1.350 -    vrgbmask = vec_splat(vrgbmask, 0);
   1.351 -
   1.352 -    while (height--) {
   1.353 -        int width = info->dst_w;
   1.354 -#define ONE_PIXEL_BLEND(condition, widthvar) \
   1.355 -        while (condition) { \
   1.356 -            Uint32 Pixel; \
   1.357 -            unsigned sR, sG, sB, dR, dG, dB; \
   1.358 -            RETRIEVE_RGB_PIXEL(((Uint8 *)srcp), 4, Pixel); \
   1.359 -            if(sA && Pixel != ckey) { \
   1.360 -                RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \
   1.361 -                DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \
   1.362 -                ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
   1.363 -                ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \
   1.364 -            } \
   1.365 -            dstp++; \
   1.366 -            srcp++; \
   1.367 -            widthvar--; \
   1.368 -        }
   1.369 -        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
   1.370 -        if (width > 0) {
   1.371 -            int extrawidth = (width % 4);
   1.372 -            vector unsigned char valigner = VEC_ALIGNER(srcp);
   1.373 -            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
   1.374 -            width -= extrawidth;
   1.375 -            while (width) {
   1.376 -                vector unsigned char vsel;
   1.377 -                vector unsigned char voverflow;
   1.378 -                vector unsigned char vd;
   1.379 -                vector unsigned char vd_orig;
   1.380 -
   1.381 -                /* s = *srcp */
   1.382 -                voverflow = (vector unsigned char) vec_ld(15, srcp);
   1.383 -                vs = vec_perm(vs, voverflow, valigner);
   1.384 -
   1.385 -                /* vsel is set for items that match the key */
   1.386 -                vsel =
   1.387 -                    (vector unsigned char) vec_and((vector unsigned int) vs,
   1.388 -                                                   vrgbmask);
   1.389 -                vsel = (vector unsigned char) vec_cmpeq((vector unsigned int)
   1.390 -                                                        vsel, vckey);
   1.391 -
   1.392 -                /* permute to source format */
   1.393 -                vs = vec_perm(vs, valpha, vsrcPermute);
   1.394 -
   1.395 -                /* d = *dstp */
   1.396 -                vd = (vector unsigned char) vec_ld(0, dstp);
   1.397 -                vd_orig = vd = vec_perm(vd, v0, vsdstPermute);
   1.398 -
   1.399 -                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
   1.400 -
   1.401 -                /* set the alpha channel to full on */
   1.402 -                vd = vec_or(vd, valphamask);
   1.403 -
   1.404 -                /* mask out color key */
   1.405 -                vd = vec_sel(vd, vd_orig, vsel);
   1.406 -
   1.407 -                /* permute to dest format */
   1.408 -                vd = vec_perm(vd, vbits, vdstPermute);
   1.409 -
   1.410 -                /* *dstp = res */
   1.411 -                vec_st((vector unsigned int) vd, 0, dstp);
   1.412 -
   1.413 -                srcp += 4;
   1.414 -                dstp += 4;
   1.415 -                width -= 4;
   1.416 -                vs = voverflow;
   1.417 -            }
   1.418 -            ONE_PIXEL_BLEND((extrawidth), extrawidth);
   1.419 -        }
   1.420 -#undef ONE_PIXEL_BLEND
   1.421 -
   1.422 -        srcp += srcskip;
   1.423 -        dstp += dstskip;
   1.424 -    }
   1.425 -}
   1.426 -
   1.427 -
   1.428 -static void
   1.429 -Blit32to32PixelAlphaAltivec(SDL_BlitInfo * info)
   1.430 -{
   1.431 -    int width = info->dst_w;
   1.432 -    int height = info->dst_h;
   1.433 -    Uint32 *srcp = (Uint32 *) info->src;
   1.434 -    int srcskip = info->src_skip >> 2;
   1.435 -    Uint32 *dstp = (Uint32 *) info->dst;
   1.436 -    int dstskip = info->dst_skip >> 2;
   1.437 -    SDL_PixelFormat *srcfmt = info->src_fmt;
   1.438 -    SDL_PixelFormat *dstfmt = info->dst_fmt;
   1.439 -    vector unsigned char mergePermute;
   1.440 -    vector unsigned char valphaPermute;
   1.441 -    vector unsigned char vsrcPermute;
   1.442 -    vector unsigned char vdstPermute;
   1.443 -    vector unsigned char vsdstPermute;
   1.444 -    vector unsigned char valphamask;
   1.445 -    vector unsigned char vpixelmask;
   1.446 -    vector unsigned char v0;
   1.447 -    vector unsigned short v1;
   1.448 -    vector unsigned short v8;
   1.449 -
   1.450 -    v0 = vec_splat_u8(0);
   1.451 -    v1 = vec_splat_u16(1);
   1.452 -    v8 = vec_splat_u16(8);
   1.453 -    mergePermute = VEC_MERGE_PERMUTE();
   1.454 -    valphamask = VEC_ALPHA_MASK();
   1.455 -    valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC));
   1.456 -    vpixelmask = vec_nor(valphamask, v0);
   1.457 -    vsrcPermute = calc_swizzle32(srcfmt, NULL);
   1.458 -    vdstPermute = calc_swizzle32(NULL, dstfmt);
   1.459 -    vsdstPermute = calc_swizzle32(dstfmt, NULL);
   1.460 -
   1.461 -    while (height--) {
   1.462 -        width = info->dst_w;
   1.463 -#define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \
   1.464 -            Uint32 Pixel; \
   1.465 -            unsigned sR, sG, sB, dR, dG, dB, sA, dA; \
   1.466 -            DISEMBLE_RGBA((Uint8 *)srcp, 4, srcfmt, Pixel, sR, sG, sB, sA); \
   1.467 -            if(sA) { \
   1.468 -              DISEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, Pixel, dR, dG, dB, dA); \
   1.469 -              ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
   1.470 -              ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \
   1.471 -            } \
   1.472 -            ++srcp; \
   1.473 -            ++dstp; \
   1.474 -            widthvar--; \
   1.475 -        }
   1.476 -        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
   1.477 -        if (width > 0) {
   1.478 -            /* vsrcPermute */
   1.479 -            /* vdstPermute */
   1.480 -            int extrawidth = (width % 4);
   1.481 -            vector unsigned char valigner = VEC_ALIGNER(srcp);
   1.482 -            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
   1.483 -            width -= extrawidth;
   1.484 -            while (width) {
   1.485 -                vector unsigned char voverflow;
   1.486 -                vector unsigned char vd;
   1.487 -                vector unsigned char valpha;
   1.488 -                vector unsigned char vdstalpha;
   1.489 -                /* s = *srcp */
   1.490 -                voverflow = (vector unsigned char) vec_ld(15, srcp);
   1.491 -                vs = vec_perm(vs, voverflow, valigner);
   1.492 -                vs = vec_perm(vs, v0, vsrcPermute);
   1.493 -
   1.494 -                valpha = vec_perm(vs, v0, valphaPermute);
   1.495 -
   1.496 -                /* d = *dstp */
   1.497 -                vd = (vector unsigned char) vec_ld(0, dstp);
   1.498 -                vd = vec_perm(vd, v0, vsdstPermute);
   1.499 -                vdstalpha = vec_and(vd, valphamask);
   1.500 -
   1.501 -                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
   1.502 -
   1.503 -                /* set the alpha to the dest alpha */
   1.504 -                vd = vec_and(vd, vpixelmask);
   1.505 -                vd = vec_or(vd, vdstalpha);
   1.506 -                vd = vec_perm(vd, v0, vdstPermute);
   1.507 -
   1.508 -                /* *dstp = res */
   1.509 -                vec_st((vector unsigned int) vd, 0, dstp);
   1.510 -
   1.511 -                srcp += 4;
   1.512 -                dstp += 4;
   1.513 -                width -= 4;
   1.514 -                vs = voverflow;
   1.515 -
   1.516 -            }
   1.517 -            ONE_PIXEL_BLEND((extrawidth), extrawidth);
   1.518 -        }
   1.519 -        srcp += srcskip;
   1.520 -        dstp += dstskip;
   1.521 -#undef ONE_PIXEL_BLEND
   1.522 -    }
   1.523 -}
   1.524 -
   1.525 -/* fast ARGB888->(A)RGB888 blending with pixel alpha */
   1.526 -static void
   1.527 -BlitRGBtoRGBPixelAlphaAltivec(SDL_BlitInfo * info)
   1.528 -{
   1.529 -    int width = info->dst_w;
   1.530 -    int height = info->dst_h;
   1.531 -    Uint32 *srcp = (Uint32 *) info->src;
   1.532 -    int srcskip = info->src_skip >> 2;
   1.533 -    Uint32 *dstp = (Uint32 *) info->dst;
   1.534 -    int dstskip = info->dst_skip >> 2;
   1.535 -    vector unsigned char mergePermute;
   1.536 -    vector unsigned char valphaPermute;
   1.537 -    vector unsigned char valphamask;
   1.538 -    vector unsigned char vpixelmask;
   1.539 -    vector unsigned char v0;
   1.540 -    vector unsigned short v1;
   1.541 -    vector unsigned short v8;
   1.542 -    v0 = vec_splat_u8(0);
   1.543 -    v1 = vec_splat_u16(1);
   1.544 -    v8 = vec_splat_u16(8);
   1.545 -    mergePermute = VEC_MERGE_PERMUTE();
   1.546 -    valphamask = VEC_ALPHA_MASK();
   1.547 -    valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC));
   1.548 -
   1.549 -
   1.550 -    vpixelmask = vec_nor(valphamask, v0);
   1.551 -    while (height--) {
   1.552 -        width = info->dst_w;
   1.553 -#define ONE_PIXEL_BLEND(condition, widthvar) \
   1.554 -        while ((condition)) { \
   1.555 -            Uint32 dalpha; \
   1.556 -            Uint32 d; \
   1.557 -            Uint32 s1; \
   1.558 -            Uint32 d1; \
   1.559 -            Uint32 s = *srcp; \
   1.560 -            Uint32 alpha = s >> 24; \
   1.561 -            if(alpha) { \
   1.562 -              if(alpha == SDL_ALPHA_OPAQUE) { \
   1.563 -                *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \
   1.564 -              } else { \
   1.565 -                d = *dstp; \
   1.566 -                dalpha = d & 0xff000000; \
   1.567 -                s1 = s & 0xff00ff; \
   1.568 -                d1 = d & 0xff00ff; \
   1.569 -                d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \
   1.570 -                s &= 0xff00; \
   1.571 -                d &= 0xff00; \
   1.572 -                d = (d + ((s - d) * alpha >> 8)) & 0xff00; \
   1.573 -                *dstp = d1 | d | dalpha; \
   1.574 -              } \
   1.575 -            } \
   1.576 -            ++srcp; \
   1.577 -            ++dstp; \
   1.578 -            widthvar--; \
   1.579 -	    }
   1.580 -        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
   1.581 -        if (width > 0) {
   1.582 -            int extrawidth = (width % 4);
   1.583 -            vector unsigned char valigner = VEC_ALIGNER(srcp);
   1.584 -            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
   1.585 -            width -= extrawidth;
   1.586 -            while (width) {
   1.587 -                vector unsigned char voverflow;
   1.588 -                vector unsigned char vd;
   1.589 -                vector unsigned char valpha;
   1.590 -                vector unsigned char vdstalpha;
   1.591 -                /* s = *srcp */
   1.592 -                voverflow = (vector unsigned char) vec_ld(15, srcp);
   1.593 -                vs = vec_perm(vs, voverflow, valigner);
   1.594 -
   1.595 -                valpha = vec_perm(vs, v0, valphaPermute);
   1.596 -
   1.597 -                /* d = *dstp */
   1.598 -                vd = (vector unsigned char) vec_ld(0, dstp);
   1.599 -                vdstalpha = vec_and(vd, valphamask);
   1.600 -
   1.601 -                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
   1.602 -
   1.603 -                /* set the alpha to the dest alpha */
   1.604 -                vd = vec_and(vd, vpixelmask);
   1.605 -                vd = vec_or(vd, vdstalpha);
   1.606 -
   1.607 -                /* *dstp = res */
   1.608 -                vec_st((vector unsigned int) vd, 0, dstp);
   1.609 -
   1.610 -                srcp += 4;
   1.611 -                dstp += 4;
   1.612 -                width -= 4;
   1.613 -                vs = voverflow;
   1.614 -            }
   1.615 -            ONE_PIXEL_BLEND((extrawidth), extrawidth);
   1.616 -        }
   1.617 -        srcp += srcskip;
   1.618 -        dstp += dstskip;
   1.619 -    }
   1.620 -#undef ONE_PIXEL_BLEND
   1.621 -}
   1.622 -
   1.623 -static void
   1.624 -Blit32to32SurfaceAlphaAltivec(SDL_BlitInfo * info)
   1.625 -{
   1.626 -    /* XXX : 6 */
   1.627 -    int height = info->dst_h;
   1.628 -    Uint32 *srcp = (Uint32 *) info->src;
   1.629 -    int srcskip = info->src_skip >> 2;
   1.630 -    Uint32 *dstp = (Uint32 *) info->dst;
   1.631 -    int dstskip = info->dst_skip >> 2;
   1.632 -    SDL_PixelFormat *srcfmt = info->src_fmt;
   1.633 -    SDL_PixelFormat *dstfmt = info->dst_fmt;
   1.634 -    unsigned sA = info->a;
   1.635 -    unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0;
   1.636 -    vector unsigned char mergePermute;
   1.637 -    vector unsigned char vsrcPermute;
   1.638 -    vector unsigned char vdstPermute;
   1.639 -    vector unsigned char vsdstPermute;
   1.640 -    vector unsigned char valpha;
   1.641 -    vector unsigned char valphamask;
   1.642 -    vector unsigned char vbits;
   1.643 -    vector unsigned short v1;
   1.644 -    vector unsigned short v8;
   1.645 -
   1.646 -    mergePermute = VEC_MERGE_PERMUTE();
   1.647 -    v1 = vec_splat_u16(1);
   1.648 -    v8 = vec_splat_u16(8);
   1.649 -
   1.650 -    /* set the alpha to 255 on the destination surf */
   1.651 -    valphamask = VEC_ALPHA_MASK();
   1.652 -
   1.653 -    vsrcPermute = calc_swizzle32(srcfmt, NULL);
   1.654 -    vdstPermute = calc_swizzle32(NULL, dstfmt);
   1.655 -    vsdstPermute = calc_swizzle32(dstfmt, NULL);
   1.656 -
   1.657 -    /* set a vector full of alpha and 255-alpha */
   1.658 -    ((unsigned char *) &valpha)[0] = sA;
   1.659 -    valpha = vec_splat(valpha, 0);
   1.660 -    vbits = (vector unsigned char) vec_splat_s8(-1);
   1.661 -
   1.662 -    while (height--) {
   1.663 -        int width = info->dst_w;
   1.664 -#define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \
   1.665 -            Uint32 Pixel; \
   1.666 -            unsigned sR, sG, sB, dR, dG, dB; \
   1.667 -            DISEMBLE_RGB(((Uint8 *)srcp), 4, srcfmt, Pixel, sR, sG, sB); \
   1.668 -            DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \
   1.669 -            ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \
   1.670 -            ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \
   1.671 -            ++srcp; \
   1.672 -            ++dstp; \
   1.673 -            widthvar--; \
   1.674 -        }
   1.675 -        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
   1.676 -        if (width > 0) {
   1.677 -            int extrawidth = (width % 4);
   1.678 -            vector unsigned char valigner = VEC_ALIGNER(srcp);
   1.679 -            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
   1.680 -            width -= extrawidth;
   1.681 -            while (width) {
   1.682 -                vector unsigned char voverflow;
   1.683 -                vector unsigned char vd;
   1.684 -
   1.685 -                /* s = *srcp */
   1.686 -                voverflow = (vector unsigned char) vec_ld(15, srcp);
   1.687 -                vs = vec_perm(vs, voverflow, valigner);
   1.688 -                vs = vec_perm(vs, valpha, vsrcPermute);
   1.689 -
   1.690 -                /* d = *dstp */
   1.691 -                vd = (vector unsigned char) vec_ld(0, dstp);
   1.692 -                vd = vec_perm(vd, vd, vsdstPermute);
   1.693 -
   1.694 -                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
   1.695 -
   1.696 -                /* set the alpha channel to full on */
   1.697 -                vd = vec_or(vd, valphamask);
   1.698 -                vd = vec_perm(vd, vbits, vdstPermute);
   1.699 -
   1.700 -                /* *dstp = res */
   1.701 -                vec_st((vector unsigned int) vd, 0, dstp);
   1.702 -
   1.703 -                srcp += 4;
   1.704 -                dstp += 4;
   1.705 -                width -= 4;
   1.706 -                vs = voverflow;
   1.707 -            }
   1.708 -            ONE_PIXEL_BLEND((extrawidth), extrawidth);
   1.709 -        }
   1.710 -#undef ONE_PIXEL_BLEND
   1.711 -
   1.712 -        srcp += srcskip;
   1.713 -        dstp += dstskip;
   1.714 -    }
   1.715 -
   1.716 -}
   1.717 -
   1.718 -
   1.719 -/* fast RGB888->(A)RGB888 blending */
   1.720 -static void
   1.721 -BlitRGBtoRGBSurfaceAlphaAltivec(SDL_BlitInfo * info)
   1.722 -{
   1.723 -    unsigned alpha = info->a;
   1.724 -    int height = info->dst_h;
   1.725 -    Uint32 *srcp = (Uint32 *) info->src;
   1.726 -    int srcskip = info->src_skip >> 2;
   1.727 -    Uint32 *dstp = (Uint32 *) info->dst;
   1.728 -    int dstskip = info->dst_skip >> 2;
   1.729 -    vector unsigned char mergePermute;
   1.730 -    vector unsigned char valpha;
   1.731 -    vector unsigned char valphamask;
   1.732 -    vector unsigned short v1;
   1.733 -    vector unsigned short v8;
   1.734 -
   1.735 -    mergePermute = VEC_MERGE_PERMUTE();
   1.736 -    v1 = vec_splat_u16(1);
   1.737 -    v8 = vec_splat_u16(8);
   1.738 -
   1.739 -    /* set the alpha to 255 on the destination surf */
   1.740 -    valphamask = VEC_ALPHA_MASK();
   1.741 -
   1.742 -    /* set a vector full of alpha and 255-alpha */
   1.743 -    ((unsigned char *) &valpha)[0] = alpha;
   1.744 -    valpha = vec_splat(valpha, 0);
   1.745 -
   1.746 -    while (height--) {
   1.747 -        int width = info->dst_w;
   1.748 -#define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \
   1.749 -            Uint32 s = *srcp; \
   1.750 -            Uint32 d = *dstp; \
   1.751 -            Uint32 s1 = s & 0xff00ff; \
   1.752 -            Uint32 d1 = d & 0xff00ff; \
   1.753 -            d1 = (d1 + ((s1 - d1) * alpha >> 8)) \
   1.754 -                 & 0xff00ff; \
   1.755 -            s &= 0xff00; \
   1.756 -            d &= 0xff00; \
   1.757 -            d = (d + ((s - d) * alpha >> 8)) & 0xff00; \
   1.758 -            *dstp = d1 | d | 0xff000000; \
   1.759 -            ++srcp; \
   1.760 -            ++dstp; \
   1.761 -            widthvar--; \
   1.762 -        }
   1.763 -        ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
   1.764 -        if (width > 0) {
   1.765 -            int extrawidth = (width % 4);
   1.766 -            vector unsigned char valigner = VEC_ALIGNER(srcp);
   1.767 -            vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp);
   1.768 -            width -= extrawidth;
   1.769 -            while (width) {
   1.770 -                vector unsigned char voverflow;
   1.771 -                vector unsigned char vd;
   1.772 -
   1.773 -                /* s = *srcp */
   1.774 -                voverflow = (vector unsigned char) vec_ld(15, srcp);
   1.775 -                vs = vec_perm(vs, voverflow, valigner);
   1.776 -
   1.777 -                /* d = *dstp */
   1.778 -                vd = (vector unsigned char) vec_ld(0, dstp);
   1.779 -
   1.780 -                VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8);
   1.781 -
   1.782 -                /* set the alpha channel to full on */
   1.783 -                vd = vec_or(vd, valphamask);
   1.784 -
   1.785 -                /* *dstp = res */
   1.786 -                vec_st((vector unsigned int) vd, 0, dstp);
   1.787 -
   1.788 -                srcp += 4;
   1.789 -                dstp += 4;
   1.790 -                width -= 4;
   1.791 -                vs = voverflow;
   1.792 -            }
   1.793 -            ONE_PIXEL_BLEND((extrawidth), extrawidth);
   1.794 -        }
   1.795 -#undef ONE_PIXEL_BLEND
   1.796 -
   1.797 -        srcp += srcskip;
   1.798 -        dstp += dstskip;
   1.799 -    }
   1.800 -}
   1.801 -
   1.802 -#if __MWERKS__
   1.803 -#pragma altivec_model off
   1.804 -#endif
   1.805 -#endif /* SDL_ALTIVEC_BLITTERS */
   1.806 -
   1.807  /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */
   1.808  static void
   1.809  BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo * info)
   1.810 @@ -1338,79 +538,6 @@
   1.811      }
   1.812  }
   1.813  
   1.814 -#ifdef __3dNOW__
   1.815 -/* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */
   1.816 -static void
   1.817 -BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info)
   1.818 -{
   1.819 -    int width = info->dst_w;
   1.820 -    int height = info->dst_h;
   1.821 -    Uint32 *srcp = (Uint32 *) info->src;
   1.822 -    int srcskip = info->src_skip >> 2;
   1.823 -    Uint32 *dstp = (Uint32 *) info->dst;
   1.824 -    int dstskip = info->dst_skip >> 2;
   1.825 -    SDL_PixelFormat *sf = info->src_fmt;
   1.826 -    Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask;
   1.827 -    Uint32 amask = sf->Amask;
   1.828 -    Uint32 ashift = sf->Ashift;
   1.829 -    Uint64 multmask;
   1.830 -
   1.831 -    __m64 src1, dst1, mm_alpha, mm_zero, dmask;
   1.832 -
   1.833 -    mm_zero = _mm_setzero_si64();       /* 0 -> mm_zero */
   1.834 -    multmask = 0xFFFF;
   1.835 -    multmask <<= (ashift * 2);
   1.836 -    multmask = ~multmask;
   1.837 -    dmask = *(__m64 *) & multmask;      /* dst alpha mask -> dmask */
   1.838 -
   1.839 -    while (height--) {
   1.840 -	    /* *INDENT-OFF* */
   1.841 -	    DUFFS_LOOP4({
   1.842 -		Uint32 alpha;
   1.843 -
   1.844 -		_m_prefetch(srcp + 16);
   1.845 -		_m_prefetch(dstp + 16);
   1.846 -
   1.847 -		alpha = *srcp & amask;
   1.848 -		if (alpha == 0) {
   1.849 -			/* do nothing */
   1.850 -		} else if (alpha == amask) {
   1.851 -			/* copy RGB, keep dst alpha */
   1.852 -			*dstp = (*srcp & chanmask) | (*dstp & ~chanmask);
   1.853 -		} else {
   1.854 -			src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/
   1.855 -			src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */
   1.856 -
   1.857 -			dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/
   1.858 -			dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */
   1.859 -
   1.860 -			mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */
   1.861 -			mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */
   1.862 -			mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */
   1.863 -			mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */
   1.864 -			mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */
   1.865 -
   1.866 -			/* blend */		    
   1.867 -			src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */
   1.868 -			src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */
   1.869 -			src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */
   1.870 -			dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */
   1.871 -			dst1 = _mm_packs_pu16(dst1, mm_zero);  /* 0000ARGB -> dst1 */
   1.872 -			
   1.873 -			*dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */
   1.874 -		}
   1.875 -		++srcp;
   1.876 -		++dstp;
   1.877 -	    }, width);
   1.878 -	    /* *INDENT-ON* */
   1.879 -        srcp += srcskip;
   1.880 -        dstp += dstskip;
   1.881 -    }
   1.882 -    _mm_empty();
   1.883 -}
   1.884 -
   1.885 -#endif /* __MMX__ */
   1.886 -
   1.887  /* 16bpp special case for per-surface alpha=50%: blend 2 pixels in parallel */
   1.888  
   1.889  /* blend a single 16 bit pixel at 50% */
   1.890 @@ -2130,17 +1257,10 @@
   1.891              return BlitNto1PixelAlpha;
   1.892  
   1.893          case 2:
   1.894 -#if SDL_ALTIVEC_BLITTERS
   1.895 -            if (sf->BytesPerPixel == 4
   1.896 -                && df->Gmask == 0x7e0 && df->Bmask == 0x1f
   1.897 -                && SDL_HasAltiVec())
   1.898 -                return Blit32to565PixelAlphaAltivec;
   1.899 -            else
   1.900 -#endif
   1.901 -                if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000
   1.902 -                    && sf->Gmask == 0xff00
   1.903 -                    && ((sf->Rmask == 0xff && df->Rmask == 0x1f)
   1.904 -                        || (sf->Bmask == 0xff && df->Bmask == 0x1f))) {
   1.905 +            if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000
   1.906 +                && sf->Gmask == 0xff00
   1.907 +                && ((sf->Rmask == 0xff && df->Rmask == 0x1f)
   1.908 +                    || (sf->Bmask == 0xff && df->Bmask == 0x1f))) {
   1.909                  if (df->Gmask == 0x7e0)
   1.910                      return BlitARGBto565PixelAlpha;
   1.911                  else if (df->Gmask == 0x3e0)
   1.912 @@ -2152,35 +1272,20 @@
   1.913              if (sf->Rmask == df->Rmask
   1.914                  && sf->Gmask == df->Gmask
   1.915                  && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) {
   1.916 -#if defined(__MMX__) || defined(__3dNOW__)
   1.917 +#if defined(__MMX__)
   1.918                  if (sf->Rshift % 8 == 0
   1.919                      && sf->Gshift % 8 == 0
   1.920                      && sf->Bshift % 8 == 0
   1.921                      && sf->Ashift % 8 == 0 && sf->Aloss == 0) {
   1.922 -#ifdef __3dNOW__
   1.923 -                    if (SDL_Has3DNow())
   1.924 -                        return BlitRGBtoRGBPixelAlphaMMX3DNOW;
   1.925 -#endif
   1.926 -#ifdef __MMX__
   1.927                      if (SDL_HasMMX())
   1.928                          return BlitRGBtoRGBPixelAlphaMMX;
   1.929 -#endif
   1.930                  }
   1.931 -#endif /* __MMX__ || __3dNOW__ */
   1.932 +#endif /* __MMX__ */
   1.933                  if (sf->Amask == 0xff000000) {
   1.934 -#if SDL_ALTIVEC_BLITTERS
   1.935 -                    if (SDL_HasAltiVec())
   1.936 -                        return BlitRGBtoRGBPixelAlphaAltivec;
   1.937 -#endif
   1.938                      return BlitRGBtoRGBPixelAlpha;
   1.939                  }
   1.940              }
   1.941 -#if SDL_ALTIVEC_BLITTERS
   1.942 -            if (sf->Amask && sf->BytesPerPixel == 4 && SDL_HasAltiVec())
   1.943 -                return Blit32to32PixelAlphaAltivec;
   1.944 -            else
   1.945 -#endif
   1.946 -                return BlitNtoNPixelAlpha;
   1.947 +            return BlitNtoNPixelAlpha;
   1.948  
   1.949          case 3:
   1.950          default:
   1.951 @@ -2226,19 +1331,10 @@
   1.952                          return BlitRGBtoRGBSurfaceAlphaMMX;
   1.953  #endif
   1.954                      if ((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) {
   1.955 -#if SDL_ALTIVEC_BLITTERS
   1.956 -                        if (SDL_HasAltiVec())
   1.957 -                            return BlitRGBtoRGBSurfaceAlphaAltivec;
   1.958 -#endif
   1.959                          return BlitRGBtoRGBSurfaceAlpha;
   1.960                      }
   1.961                  }
   1.962 -#if SDL_ALTIVEC_BLITTERS
   1.963 -                if ((sf->BytesPerPixel == 4) && SDL_HasAltiVec())
   1.964 -                    return Blit32to32SurfaceAlphaAltivec;
   1.965 -                else
   1.966 -#endif
   1.967 -                    return BlitNtoNSurfaceAlpha;
   1.968 +                return BlitNtoNSurfaceAlpha;
   1.969  
   1.970              case 3:
   1.971              default:
   1.972 @@ -2252,12 +1348,6 @@
   1.973              if (df->BytesPerPixel == 1)
   1.974                  return BlitNto1SurfaceAlphaKey;
   1.975              else
   1.976 -#if SDL_ALTIVEC_BLITTERS
   1.977 -            if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 &&
   1.978 -                    SDL_HasAltiVec())
   1.979 -                return Blit32to32SurfaceAlphaKeyAltivec;
   1.980 -            else
   1.981 -#endif
   1.982                  return BlitNtoNSurfaceAlphaKey;
   1.983          }
   1.984          break;