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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [OpenGL CTS] KHR-GL46.get_texture_sub_image.errors_test sometimes fails in a full run"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104154#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [OpenGL CTS] KHR-GL46.get_texture_sub_image.errors_test sometimes fails in a full run"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104154">bug 104154</a>
from <span class="vcard"><a class="email" href="mailto:idr@freedesktop.org" title="Ian Romanick <idr@freedesktop.org>"> <span class="fn">Ian Romanick</span></a>
</span></b>
<pre>In the passing version of the test, Mesa logs the following messages:
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(xoffset = -1)
Mesa: User error: GL_INVALID_VALUE in glGetCompressedTextureImage(xoffset = -1)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(xoffset 2 + width 4
<span class="quote">> 2)</span >
Mesa: User error: GL_INVALID_VALUE in glGetCompressedTextureImage(xoffset 4 +
width 8 > 4)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(1D, yoffset = 1)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(1D, height = 2)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(zoffset = 1)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(zoffset = 1)
Mesa: User error: GL_INVALID_VALUE in glGetCompressedTextureImage(zoffset = 1)
In the failing version of the test, Mesa logs the following messages:
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(xoffset = -1)
Mesa: User error: GL_INVALID_VALUE in glGetCompressedTextureImage(xoffset = -1)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(xoffset 2 + width 4
<span class="quote">> 2)</span >
Mesa: User error: GL_INVALID_VALUE in glGetCompressedTextureImage(xoffset 4 +
width 8 > 4)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(1D, yoffset = 1)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(zoffset = 1)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(zoffset = 1)
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(zoffset = 1)
Mesa: User error: GL_INVALID_OPERATION in glGetCompressedTextureImage(texture)
Two lines are different. The last line is different enough that a different
error message is generated, but a couple line before that has
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(1D, height = 2)
vs
Mesa: User error: GL_INVALID_VALUE in glGetTextureSubImage(zoffset = 1)
I'm a little suspicious that this could be some sort of meta-related texture
namespace pollution. I fixed a bunch of this a couple years ago, but I don't
think I got all of it. That at least would explain why the bug only occurs
after hours (around 10 hours on my BDW with a debug build) of running.</pre>
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