From e6dbe975eff8e23992c9d9a72ce302896b5fecfc Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Tue, 27 Jun 2017 19:24:20 +0200 Subject: [PATCH] gallium/radeon: fix a possible crash for buffer exports MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Nicolai Hähnle --- src/gallium/drivers/radeon/r600_texture.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c index d68587b..139ab13 100644 --- a/src/gallium/drivers/radeon/r600_texture.c +++ b/src/gallium/drivers/radeon/r600_texture.c @@ -589,16 +589,22 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen, res->external_usage = usage; } - if (rscreen->chip_class >= GFX9) { - offset = rtex->surface.u.gfx9.surf_offset; - stride = rtex->surface.u.gfx9.surf_pitch * - rtex->surface.bpe; - slice_size = rtex->surface.u.gfx9.surf_slice_size; + if (res->b.b.target == PIPE_BUFFER) { + offset = 0; + stride = 0; + slice_size = 0; } else { - offset = rtex->surface.u.legacy.level[0].offset; - stride = rtex->surface.u.legacy.level[0].nblk_x * - rtex->surface.bpe; - slice_size = rtex->surface.u.legacy.level[0].slice_size; + if (rscreen->chip_class >= GFX9) { + offset = rtex->surface.u.gfx9.surf_offset; + stride = rtex->surface.u.gfx9.surf_pitch * + rtex->surface.bpe; + slice_size = rtex->surface.u.gfx9.surf_slice_size; + } else { + offset = rtex->surface.u.legacy.level[0].offset; + stride = rtex->surface.u.legacy.level[0].nblk_x * + rtex->surface.bpe; + slice_size = rtex->surface.u.legacy.level[0].slice_size; + } } return rscreen->ws->buffer_get_handle(res->buf, stride, offset, slice_size, whandle); -- 2.7.4