diff options
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/auxiliary/util/u_format.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_format.c b/src/gallium/auxiliary/util/u_format.c index 3a61d54f726..5d3ee861a73 100644 --- a/src/gallium/auxiliary/util/u_format.c +++ b/src/gallium/auxiliary/util/u_format.c @@ -716,6 +716,68 @@ util_format_translate(enum pipe_format dst_format, FREE(tmp_row); } + else if (util_format_is_pure_sint(src_format) || + util_format_is_pure_sint(dst_format)) { + unsigned tmp_stride; + int *tmp_row; + + if (!src_format_desc->unpack_rgba_sint || + !dst_format_desc->pack_rgba_sint) { + return FALSE; + } + + tmp_stride = MAX2(width, x_step) * 4 * sizeof *tmp_row; + tmp_row = MALLOC(y_step * tmp_stride); + if (!tmp_row) + return FALSE; + + while (height >= y_step) { + src_format_desc->unpack_rgba_sint(tmp_row, tmp_stride, src_row, src_stride, width, y_step); + dst_format_desc->pack_rgba_sint(dst_row, dst_stride, tmp_row, tmp_stride, width, y_step); + + dst_row += dst_step; + src_row += src_step; + height -= y_step; + } + + if (height) { + src_format_desc->unpack_rgba_sint(tmp_row, tmp_stride, src_row, src_stride, width, height); + dst_format_desc->pack_rgba_sint(dst_row, dst_stride, tmp_row, tmp_stride, width, height); + } + + FREE(tmp_row); + } + else if (util_format_is_pure_uint(src_format) || + util_format_is_pure_uint(dst_format)) { + unsigned tmp_stride; + unsigned int *tmp_row; + + if (!src_format_desc->unpack_rgba_uint || + !dst_format_desc->pack_rgba_uint) { + return FALSE; + } + + tmp_stride = MAX2(width, x_step) * 4 * sizeof *tmp_row; + tmp_row = MALLOC(y_step * tmp_stride); + if (!tmp_row) + return FALSE; + + while (height >= y_step) { + src_format_desc->unpack_rgba_uint(tmp_row, tmp_stride, src_row, src_stride, width, y_step); + dst_format_desc->pack_rgba_uint(dst_row, dst_stride, tmp_row, tmp_stride, width, y_step); + + dst_row += dst_step; + src_row += src_step; + height -= y_step; + } + + if (height) { + src_format_desc->unpack_rgba_uint(tmp_row, tmp_stride, src_row, src_stride, width, height); + dst_format_desc->pack_rgba_uint(dst_row, dst_stride, tmp_row, tmp_stride, width, height); + } + + FREE(tmp_row); + } else { unsigned tmp_stride; float *tmp_row; |