Implement GMISC Array Operations
parent
1fc03db586
commit
5b444276ae
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@ -69,6 +69,12 @@ extern "C" {
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*
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*
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* @note Assumes the destination buffer is large enough for the resultant data.
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* @note Assumes the destination buffer is large enough for the resultant data.
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* @note This routine is optimised to perform as fast as possible.
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* @note This routine is optimised to perform as fast as possible.
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* @note No type checking is performed on the source format. It is assumed to
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* have only valid values eg. ARRAY_DATA_4BITSIGNED will have values
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* 0000 -> 0111 for positive numbers and 1111 -> 1000 for negative numbers
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* Bits 5 -> 8 in the storage byte are treated in an undefined manner.
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* @note If srcfmt or dstfmt is an unknown format, this routine does nothing
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* with no warning that something is wrong
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*
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*
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* @api
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* @api
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*/
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*/
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@ -31,7 +31,211 @@
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#if (GFX_USE_GMISC && GMISC_NEED_ARRAYOPS) || defined(__DOXYGEN__)
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#if (GFX_USE_GMISC && GMISC_NEED_ARRAYOPS) || defined(__DOXYGEN__)
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#error "GMISC (Array Ops): Not implemented yet"
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void gmiscArrayConvert(ArrayDataFormat srcfmt, void *src, ArrayDataFormat dstfmt, void *dst, size_t cnt) {
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uint8_t *src8, *dst8;
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uint16_t *src16, *dst16;
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dst8 = dst;
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dst16 = dst;
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src8 = src;
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src16 = src;
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/* We do this as a big switch in order to optimise efficiency for each transfer type */
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switch(dstfmt) {
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case ARRAY_DATA_4BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: if (dst != src) while(cnt--) { *dst8++ = *src8++; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 8); } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst8++ = *src8++ >> 4; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 128) >> 4; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 6; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 512) >> 6; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 8; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 2048) >> 8; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 10; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 8192) >> 10; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 12; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 32768) >> 12; } break;
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}
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break;
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case ARRAY_DATA_4BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 8); } break;
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case ARRAY_DATA_4BITSIGNED: if (dst != src) while(cnt--) { *dst8++ = *src8++; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 128) >> 4; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst8++ = *src8++ >> 4; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 512) >> 6; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 6; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 2048) >> 8; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 8; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 8192) >> 10; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 10; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 32768) >> 12; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 12; } break;
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}
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break;
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case ARRAY_DATA_8BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst8++ = *src8++ << 4; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 8) << 4; } break;
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case ARRAY_DATA_8BITUNSIGNED: if (dst != src) while(cnt--) { *dst8++ = *src8++; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 128); } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 2; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 512) >> 2; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 4; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 2048) >> 4; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 6; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 8192) >> 6; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 8; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 32768) >> 8; } break;
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}
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break;
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case ARRAY_DATA_8BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 8) << 4; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst8++ = *src8++ << 4; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 128); } break;
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case ARRAY_DATA_8BITSIGNED: if (dst != src) while(cnt--) { *dst8++ = *src8++; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 512) >> 2; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 2; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 2048) >> 4; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 4; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 8192) >> 6; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 6; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 32768) >> 8; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 8; } break;
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}
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break;
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case ARRAY_DATA_10BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 6; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 6; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 2; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 2; } break;
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case ARRAY_DATA_10BITUNSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512); } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) >> 2; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 4; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 4; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 6; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 6; } break;
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}
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break;
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case ARRAY_DATA_10BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 6; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 6; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 2; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 2; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512); } break;
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case ARRAY_DATA_10BITSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) >> 2; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 4; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 4; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 6; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 6; } break;
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}
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break;
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case ARRAY_DATA_12BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 8; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 8; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 4; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 4; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 2; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 2; } break;
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case ARRAY_DATA_12BITUNSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048); } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 2; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 4; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 4; } break;
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}
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break;
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case ARRAY_DATA_12BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 8; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 8; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 4; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 4; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 2; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 2; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048); } break;
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case ARRAY_DATA_12BITSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 2; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 4; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 4; } break;
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}
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break;
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case ARRAY_DATA_14BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 10; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 10; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 6; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 6; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 4; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 4; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 2; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) >> 2; } break;
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case ARRAY_DATA_14BITUNSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192); } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 2; } break;
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}
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break;
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case ARRAY_DATA_14BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 10; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 10; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 6; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 6; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 4; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 4; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) << 2; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 2; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192); } break;
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case ARRAY_DATA_14BITSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 2; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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}
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break;
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case ARRAY_DATA_16BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 12; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 12; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 8; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 8; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 6; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 6; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 4; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) >> 4; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 2; } break;
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case ARRAY_DATA_16BITUNSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768); } break;
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}
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break;
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case ARRAY_DATA_16BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 12; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 12; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 8; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 8; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 6; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 6; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) << 4; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 4; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) << 2; } break;
|
||||||
|
case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
|
||||||
|
case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768); } break;
|
||||||
|
case ARRAY_DATA_16BITSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
#endif /* GFX_USE_GMISC && GMISC_NEED_ARRAYOPS */
|
#endif /* GFX_USE_GMISC && GMISC_NEED_ARRAYOPS */
|
||||||
/** @} */
|
/** @} */
|
||||||
|
|
Loading…
Reference in New Issue