gave that a quick try.. and, well, I think that may just be the start of the rabbit-hole..
0xb69eb92c in __memcpy_neon () from /lib/libc.so.6 (gdb) bt #0 0xb69eb92c in __memcpy_neon () from /lib/libc.so.6 #1 0xb5ea63e0 in _mesa_store_compressed_texsubimage (ctx=0x2ff970, dims=2, texImage=0xb382ac50, xoffset=0, yoffset=0, zoffset=0, width=2048, height=2048, depth=1, format=37492, imageSize=2097152, data=0xb3400000) at ../../../src/mesa/main/texstore.c:1364 #2 0xb5f60320 in st_CompressedTexSubImage (ctx=0x2ff970, dims=2, texImage=0xb382ac50, x=0, y=0, z=0, w=2048, h=2048, d=1, format=37492, imageSize=2097152, data=0x0) at ../../../src/mesa/state_tracker/st_cb_texture.c:2043 #3 0xb5e8ece0 in _mesa_compressed_texture_sub_image (ctx=0x2ff970, dims=2, texObj=0xb382a9b0, texImage=0xb382ac50, target=3553, level=0, xoffset=0, yoffset=0, zoffset=0, width=2048, height=2048, depth=1, format=37492, imageSize=2097152, data=0x0) at ../../../src/mesa/main/teximage.c:4388 #4 0xb5e8f350 in _mesa_CompressedTexSubImage2D (target=3553, level=0, xoffset=0, yoffset=0, width=2048, height=2048, format=37492, imageSize=2097152, data=0x0) at ../../../src/mesa/main/teximage.c:4509 #5 0xb67cfadc in shared_dispatch_stub_412 (target=3553, level=0, xoffset=0, yoffset=0, width=2048, height=2048, format=37492, imageSize=2097152, data=0x0) at ./shared-glapi/glapi_mapi_tmp.h:19098 I'll think I'll skip the fallback format_map entries for now, since a debug build assert is less obnoxious than a segfault.. BR, -R On Tue, Feb 16, 2016 at 12:14 PM, Ilia Mirkin <imir...@alum.mit.edu> wrote: > Should be noted that, not at all due to this patch, > glTexStorage(ETC1/ETC2) is broken on gallium drivers that don't > implement those formats in HW (i.e. use the sw fallback). This patch > makes it work for drivers that *do* support it in HW, but more work > needed for the other drivers. Maybe we should just have the > PIPE_FORMAT_RGBA8 stuff right in there as fallback formats? [Would > need to do that for ETC1 as well.] > > On Tue, Feb 16, 2016 at 12:04 PM, Rob Clark <robdcl...@gmail.com> wrote: >> From: Rob Clark <robcl...@freedesktop.org> >> >> Noticed by Ilia when I was trying to figure out why some app was failing >> to use ETC2. >> >> Signed-off-by: Rob Clark <robcl...@freedesktop.org> >> Reviewed-by: Ilia Mirkin <imir...@alum.mit.edu> >> --- >> src/mesa/state_tracker/st_format.c | 42 >> ++++++++++++++++++++++++++++++++++++++ >> 1 file changed, 42 insertions(+) >> >> diff --git a/src/mesa/state_tracker/st_format.c >> b/src/mesa/state_tracker/st_format.c >> index 2b92bad..82bf3a1 100644 >> --- a/src/mesa/state_tracker/st_format.c >> +++ b/src/mesa/state_tracker/st_format.c >> @@ -1484,6 +1484,48 @@ static const struct format_mapping format_map[] = { >> { PIPE_FORMAT_ETC1_RGB8, 0 } >> }, >> >> + /* ETC2 */ >> + { >> + { GL_COMPRESSED_RGB8_ETC2, 0 }, >> + { PIPE_FORMAT_ETC2_RGB8, 0 } >> + }, >> + { >> + { GL_COMPRESSED_SRGB8_ETC2, 0 }, >> + { PIPE_FORMAT_ETC2_SRGB8, 0 } >> + }, >> + { >> + { GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, 0 }, >> + { PIPE_FORMAT_ETC2_RGB8A1, 0 } >> + }, >> + { >> + { GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 0 }, >> + { PIPE_FORMAT_ETC2_SRGB8A1, 0 } >> + }, >> + { >> + { GL_COMPRESSED_RGBA8_ETC2_EAC, 0 }, >> + { PIPE_FORMAT_ETC2_RGBA8, 0 } >> + }, >> + { >> + { GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, 0 }, >> + { PIPE_FORMAT_ETC2_SRGBA8, 0 } >> + }, >> + { >> + { GL_COMPRESSED_R11_EAC, 0 }, >> + { PIPE_FORMAT_ETC2_R11_UNORM, 0 } >> + }, >> + { >> + { GL_COMPRESSED_SIGNED_R11_EAC, 0 }, >> + { PIPE_FORMAT_ETC2_R11_SNORM, 0 } >> + }, >> + { >> + { GL_COMPRESSED_RG11_EAC, 0 }, >> + { PIPE_FORMAT_ETC2_RG11_UNORM, 0 } >> + }, >> + { >> + { GL_COMPRESSED_SIGNED_RG11_EAC, 0 }, >> + { PIPE_FORMAT_ETC2_RG11_SNORM, 0 } >> + }, >> + >> /* BPTC */ >> { >> { GL_COMPRESSED_RGBA_BPTC_UNORM, 0 }, >> -- >> 2.5.0 >> _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev