https://bugs.freedesktop.org/show_bug.cgi?id=94657
Bug ID: 94657
Summary: [llvmpipe] [softpipe] piglit
arb_texture_view-getteximage-srgb regression
Product: Mesa
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Keywords: bisected, regression
Severity: normal
Priority: medium
Component: Mesa core
Assignee: mesa-dev@lists.freedesktop.org
Reporter: v...@freedesktop.org
QA Contact: mesa-dev@lists.freedesktop.org
CC: mar...@gmail.com, nhaeh...@gmail.com
mesa: 1e8435ce0cce671024ebf9c5465ea8bdcb563b69 (master 11.3.0-devel)
$ ./bin/arb_texture_view-getteximage-srgb -auto
Wrong color for GL_SRGB8_ALPHA8 texture view.
Expected 0xff0000ff but found 0x0000ffff
PIGLIT: {"result": "fail" }
a8eea696b8966d119e213d532158f63c5b280740 is the first bad commit
commit a8eea696b8966d119e213d532158f63c5b280740
Author: Nicolai Hähnle <nicolai.haeh...@amd.com>
Date: Mon Mar 14 15:33:34 2016 -0500
st/mesa: honour sized internal formats in st_choose_format (v2)
The bitcasting which is possible with shader images (and texture views?)
requires that when the user specifies a sized internal format for a
texture, we really allocate that format. To this end:
(1) find_exact_format should ignore sized internal formats and
(2) some of the entries in the mapping table corresponding to sized
internal formats are reordered to use an RGBA format instead of
a BGRA one.
This fixes arb_shader_image_load_store-bitcast in the (work in progress)
ARB_shader_image_load_store implementation for radeonsi.
v2: don't change the mapping of GL_RGB10: the change caused a regression
because it preferred a format with an alpha channel, and GL_RGB10
is not among the supported formats for shader images
Reviewed-by: Marek Olšák <marek.ol...@amd.com>
:040000 040000 572b09e6a4cec5c7267d43ecfe6e497775faf753
77f5d9b5f75285074cc89652de547f5129ea1b99 M src
bisect run success
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