[svn] / trunk / xvidcore / src / image / ppc_asm / colorspace_altivec.c Repository:
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revision 1569, Thu Dec 9 04:58:12 2004 UTC revision 1570, Thu Dec 9 23:02:54 2004 UTC
# Line 19  Line 19 
19   *  along with this program ; if not, write to the Free Software   *  along with this program ; if not, write to the Free Software
20   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21   *   *
22   * $Id: colorspace_altivec.c,v 1.2 2004-10-17 10:20:15 edgomez Exp $   * $Id: colorspace_altivec.c,v 1.3 2004-12-09 23:02:54 edgomez Exp $
23   *   *
24   ****************************************************************************/   ****************************************************************************/
25    
# Line 171  Line 171 
171      vector unsigned char y_vec;         \      vector unsigned char y_vec;         \
172      vector unsigned char u_vec;         \      vector unsigned char u_vec;         \
173      vector unsigned char v_vec;         \      vector unsigned char v_vec;         \
174      vector unsigned char p0, p1;        \      vector unsigned char p0, p1, ptmp;  \
175      vector unsigned char mask;          \      vector unsigned char mask;          \
176      vector unsigned char mask_stencil;  \      vector unsigned char mask_stencil;  \
177      vector unsigned char t;             \      vector unsigned char t;             \
# Line 449  Line 449 
449      mask = vec_perm(mask_stencil, mask_stencil, vec_lvsr(C1, (unsigned char*)0));           \      mask = vec_perm(mask_stencil, mask_stencil, vec_lvsr(C1, (unsigned char*)0));           \
450      \      \
451      p0 = vec_sel(p0, vec_perm(t, t, m4), mask);                   \      p0 = vec_sel(p0, vec_perm(t, t, m4), mask);                   \
452      p1 = vec_sel(p1, vec_perm(t, t, vec_add(m4, vec4)), mask);    \          ptmp = vec_perm(t,t, vec_add(m4, vec4));\
453        p1 = vec_sel(p1, ptmp, mask);    \
454      \      \
455      /* C3 */ \      /* C3 */ \
456      t = vec_perm(y_vec, y_vec, vec_add(vec_sl(vec_lvsl(0, (unsigned char*)0), vec_splat_u8(1)), vec_splat_u8(1))); \          ptmp = vec_add(vec_sl(vec_lvsl(0, (unsigned char*)0), vec_splat_u8(1)), vec_splat_u8(1));       \
457        t = vec_perm(y_vec, y_vec, ptmp); \
458      mask = vec_perm(mask_stencil, mask_stencil, vec_lvsr(C3, (unsigned char*)0));                                   \      mask = vec_perm(mask_stencil, mask_stencil, vec_lvsr(C3, (unsigned char*)0));                                   \
459      \      \
460      p0 = vec_sel(p0, vec_perm(t, t, m4), mask);                   \      p0 = vec_sel(p0, vec_perm(t, t, m4), mask);                   \
461      p1 = vec_sel(p1, vec_perm(t, t, vec_add(m4, vec4)), mask);    \          ptmp = vec_perm(t, t, vec_add(m4, vec4));       \
462        p1 = vec_sel(p1, ptmp, mask);    \
463      \      \
464      /* C2 */ \      /* C2 */ \
465      u_vec = vec_perm(vec_ld(0,u_ptr), vec_ld(16, u_ptr), vec_lvsl(0, u_ptr));       \      u_vec = vec_perm(vec_ld(0,u_ptr), vec_ld(16, u_ptr), vec_lvsl(0, u_ptr));       \
466      mask = vec_perm(mask_stencil, mask_stencil, vec_lvsr(C2, (unsigned char*)0));   \      mask = vec_perm(mask_stencil, mask_stencil, vec_lvsr(C2, (unsigned char*)0));   \
467      \      \
468      p0 = vec_sel(p0, vec_perm(u_vec, u_vec, m4), mask);                 \      p0 = vec_sel(p0, vec_perm(u_vec, u_vec, m4), mask);                 \
469      p1 = vec_sel(p1, vec_perm(u_vec, u_vec, vec_add(m4, vec4)), mask);  \          ptmp = vec_perm(u_vec, u_vec, vec_add(m4, vec4)); \
470        p1 = vec_sel(p1, ptmp, mask);  \
471      \      \
472      /* C4 */ \      /* C4 */ \
473      v_vec = vec_perm(vec_ld(0, v_ptr), vec_ld(16, v_ptr), vec_lvsl(0, v_ptr));      \      v_vec = vec_perm(vec_ld(0, v_ptr), vec_ld(16, v_ptr), vec_lvsl(0, v_ptr));      \
474      mask = vec_perm(mask_stencil, mask_stencil, vec_lvsr(C4, (unsigned char*)0));   \      mask = vec_perm(mask_stencil, mask_stencil, vec_lvsr(C4, (unsigned char*)0));   \
475      \      \
476      p0 = vec_sel(p0, vec_perm(v_vec, v_vec, m4), mask);                 \      p0 = vec_sel(p0, vec_perm(v_vec, v_vec, m4), mask);                 \
477      p1 = vec_sel(p1, vec_perm(v_vec, v_vec, vec_add(m4, vec4)), mask);  \          ptmp = vec_perm(v_vec, v_vec, vec_add(m4, vec4));       \
478        p1 = vec_sel(p1, ptmp, mask);  \
479      \      \
480      vec_st(p0, 0, x_ptr + (ROW)*x_stride);   \      vec_st(p0, 0, x_ptr + (ROW)*x_stride);   \
481      vec_st(p1, 16, x_ptr + (ROW)*x_stride)      vec_st(p1, 16, x_ptr + (ROW)*x_stride)
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