forked from enlightenment/efl
Neonized rotated 90 display for ARMs.
Share and enjoy. See my previous neon related commit for more details. SVN revision: 48999
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@ -78,17 +78,60 @@ evas_common_convert_rgba_to_32bpp_rgb_8888_rot_270 (DATA32 *src, DATA8 *dst, int
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void
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evas_common_convert_rgba_to_32bpp_rgb_8888_rot_90 (DATA32 *src, DATA8 *dst, int src_jump, int dst_jump, int w, int h, int dith_x __UNUSED__, int dith_y __UNUSED__, DATA8 *pal __UNUSED__)
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{
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#ifndef BUILD_NEONx
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DATA32 *src_ptr;
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DATA32 *dst_ptr;
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int x, y;
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dst_ptr = (DATA32 *)dst;
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CONVERT_LOOP_START_ROT_90();
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*dst_ptr = *src_ptr;
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CONVERT_LOOP_END_ROT_90();
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#else
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#define AP "convert_rgba32_rot_90_"
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asm volatile (
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AP"outer: \n\t"
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// Set up src
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" sub %[s1], %[src], %[y],lsl #2 \n\t"
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" sub %[s2], %[src2], %[y],lsl #2 \n\t"
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" add %[y], #2 \n\t"
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" add %[x], %[d1], %[w], lsl #2 \n\t"
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AP"inner: \n\t"
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" vldm %[s1], {d0} \n\t"
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" vldm %[s2], {d1} \n\t"
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" vtrn.u32 d1,d0 \n\t"
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" vstm %[d1]!, {d0} \n\t"
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" vstm %[d2]!, {d1} \n\t"
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" add %[s1], %[sadv] \n\t"
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" add %[s2], %[sadv] \n\t"
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" cmp %[x], %[d1] \n\t"
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" bhi "AP"inner \n\t"
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" add %[d1], %[djump] \n\t"
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" add %[d2], %[djump] \n\t"
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" cmp %[y], %[h] \n\t"
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" blt "AP"outer \n\t"
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: // Out
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: [s1] "r" (src),
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[s2] "r" (src + (h + src_jump) * 4),
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[d1] "r" (dst),
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[d2] "r" ((DATA32*)dst + w + dst_jump),
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[sadv] "r" ((h + 2 * src_jump) * 8),
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[src] "r" ((DATA32*)src + (h - 1)- 1),
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[src2] "r" ((DATA32*)src + (h - 1)- 2),
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[djump] "r" ((w + 2 * dst_jump) * 4),
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[x] "r" (7),
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[y] "r" (0),
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[w] "r" (w),
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[h] "r" (h)
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: "q0", "q1", "memory", "cc"// Clober
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);
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#undef AP
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#endif
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return;
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}
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#endif
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