87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
/** NOTE: This file is meant to be included by users **/
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/*****************************************************************************
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* Point processing
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*
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* _soft16_pt_<description>_<src>_<dst>[_<modifier>]()
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*
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* Scanline processing
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*
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* _soft16_scanline_<description>_<src>_<dst>[_<modifier>]()
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*
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****************************************************************************/
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static always_inline void
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_soft16_pt_fill_solid_solid(DATA16 *dst, DATA16 rgb565)
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{
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*dst = rgb565;
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}
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static void
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_soft16_scanline_fill_solid_solid(DATA16 *dst, int size, DATA16 rgb565)
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{
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DATA16 *start, *end;
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DATA32 rgb565_double;
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start = dst;
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if ((long)start & 0x2)
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{
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*start = rgb565;
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start++;
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size--;
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}
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end = start + (size & ~7);
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rgb565_double = (rgb565 << 16) | rgb565;
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while (start < end)
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{
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DATA32 *p = (DATA32 *)start;
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p[0] = rgb565_double;
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p[1] = rgb565_double;
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p[2] = rgb565_double;
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p[3] = rgb565_double;
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start += 8;
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}
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end = start + (size & 7);
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for (; start < end; start++)
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*start = rgb565;
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}
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static always_inline void
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_soft16_pt_fill_transp_solid(DATA16 *dst, DATA32 rgb565_unpack, DATA8 alpha)
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{
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DATA32 d;
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d = RGB_565_UNPACK(*dst);
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d = RGB_565_UNPACKED_BLEND(rgb565_unpack, d, alpha);
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*dst = RGB_565_PACK(d);
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}
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static void
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_soft16_scanline_fill_transp_solid(DATA16 *dst, int size, DATA32 rgb565_unpack, DATA8 alpha)
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{
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DATA16 *start, *end;
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start = dst;
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pld(start, 0);
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end = start + (size & ~7);
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while (start < end)
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{
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pld(start, 32);
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UNROLL8({
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_soft16_pt_fill_transp_solid(start, rgb565_unpack, alpha);
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start++;
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});
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}
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end = start + (size & 7);
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for (; start < end; start++)
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_soft16_pt_fill_transp_solid(start, rgb565_unpack, alpha);
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}
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