mesa/st: Use direct util_format_pack/unpack instead of u_tile.

We're doing a row at a time, and don't need u_tile's clipping.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2744>
This commit is contained in:
Eric Anholt 2019-11-08 13:21:18 -08:00 committed by Marge Bot
parent c574cda3c6
commit e986f2b7af

View file

@ -2345,20 +2345,19 @@ fallback_copy_texsubimage(struct gl_context *ctx,
data = malloc(width * sizeof(uint));
if (data) {
unsigned dst_stride = (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY ?
transfer->layer_stride : transfer->stride);
/* To avoid a large temp memory allocation, do copy row by row */
for (row = 0; row < height; row++, srcY += yStep) {
pipe_get_tile_z(src_trans, map, 0, srcY, width, 1, data);
util_format_unpack_z_32unorm(strb->texture->format,
data, (uint8_t *)map + src_trans->stride * srcY,
width);
if (scaleOrBias) {
_mesa_scale_and_bias_depth_uint(ctx, width, data);
}
if (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY) {
pipe_put_tile_z(transfer, texDest + row*transfer->layer_stride,
0, 0, width, 1, data);
}
else {
pipe_put_tile_z(transfer, texDest, 0, row, width, 1, data);
}
util_format_pack_z_32unorm(stImage->pt->format,
texDest + row * dst_stride, data, width);
}
}
else {