[Mesa-dev] [Bug 94957] dEQP failures on llvmpipe

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94957

--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
A random sampling of the texturing tests that failed seem to all pass with

GALLIVM_DEBUG=no_rho_approx,no_brilinear,no_quad_lod

I will start a fresh run with these parameters. A random blending test makes it
seem like it completely fails. I'd like to encourage you to grab a copy of deqp
and run it yourself to see the details - you get expected and actual images
among other things.

<TestCaseResult Version="0.3.3"
CasePath="dEQP-GLES3.functional.fragment_ops.blend.default_framebuffer.rgb_func_alpha_func.src.dst_color_one_minus_src_alpha"
CaseType="SelfValidate">
 <Text>RGB equation = GL_FUNC_ADD</Text>
 <Text>RGB src func = GL_DST_COLOR</Text>
 <Text>RGB dst func = GL_ONE</Text>
 <Text>Alpha equation = GL_FUNC_ADD</Text>
 <Text>Alpha src func = GL_ONE_MINUS_SRC_ALPHA</Text>
 <Text>Alpha dst func = GL_ONE</Text>
 <Text>Blend color = (0.2, 0.4, 0.6, 0.8)</Text>
 <Text>Image comparison failed: max difference = (97, 97, 97, 1), threshold =
(4, 4, 4, 4)</Text>

Looking at the error mask:

data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAIAAAAlC+aJAAAAmElEQVRoge3YMQ6A
IBAF0Y/3vzMWRgqjnctkk3mVdDsgDSMzcyTJmEnafC9HmjOA1jXgug/pG5C7oXHA
xQCaATQDaAbQDKAZQDOAZgDNAJoBtB0Bj8fAf206gbqGwoDSjV+qAvZMHy8xz4AP
6/X4dfmjwhNYQ9dNH38hngE0A2gG0AygGUAzgGYAzQCaATQDaAbQDKAZQDsBxS4p
f+bHF58AAAAASUVORK5CYII=

(paste that into the url bar of your browser) makes it seem like something
funny is going on. Green = good, red = bad. This is running on a SKL with LLVM
3.7.1 in case it matters.

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