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This can significantly ease thinking about the asm.
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Previously the code only handled scalars and vectors. This new code
is modeled somewhat after similar code in ir_to_mesa.
Reviewed-by: Eric Anholt <eric@anholt.net>
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gen6 builtin RSQ apparently clamps negative values to 0 instead of
returning the RSQ of the absolute value like ARB_fragment_program
desires and pre-gen6 apparently does.
Fixes:
glean/fp1-RSQ test 2 (reciprocal square root of negative value)
glean/vp1-RSQ test 2 (reciprocal square root of negative value)
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We get saturate as an argument to brw_math() instead of as compile
state, since that's how the pre-gen6 send instructions work. Fixes
fp-ex2-sat.
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This is the push constant buffer, not the pull constants.
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Be sure polygon stipple mode is updated. This fixes 'gamma' demo.
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Fixes this GCC warning.
r200_maos_arrays.c: In function 'r200EmitArrays':
r200_maos_arrays.c:113: warning: 'emitsize' may be used uninitialized in this function
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It is used for point width on vertex. This fixes mesa demo spriteblast and pointblast.
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Something similar could be done for glCopyTex[Sub]Image() and the
compressed texture image functions as well.
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The texture is not cube complete if the base level images aren't of
the same size and format.
NOTE: This is a candidate for the 7.9 branch.
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More than 1023 temporaries were being used for a Cinebench shader before
doing temporary optimization, causing the index value to wrap around to
-1024.
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In st_finalize_texture() we were looking at the st_texture_object::
lastLevel field instead of the pipe_resource::last_level field to
determine which resource to store the mipmap in.
Then, in st_generate_mipmap() we need to call st_finalize_texture() to
make sure the destination resource is properly allocated.
These changes fix the broken piglit fbo-generatemipmap-formats test.
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When X or Y or Z is close to W the outcome of the floating point clip
test comparision may be different between the C and x86 asm paths.
That's OK; don't report an error.
See fd.o bug 32093
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It was only used for gen6 fragment programs (not GLSL shaders) at this
point, and it was clearly unsuited to the task -- missing opcodes,
corrupted texturing, and assertion failures hit various applications
of all sorts. It was easier to patch up the non-glsl for remaining
gen6 changes than to make brw_wm_glsl.c complete.
Bug #30530
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Since the 8-wide first-quarter and 16-wide first-half have the same
bit encoding, we now need to track "do you want instruction
compression" in the compile state.
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The FS backend is fine with register level granularity. But for the
brw_wm_emit.c backend, it expects pairs of regs to be used for the
constants, because the whole world is pairs of regs. If an odd number
got used, we went looking for interpolation in the wrong place.
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We were accidentally doing a float-to-uint conversion.
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We were trying to do the implied move even when we'd already manually
moved the real header in place.
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In the SF and brw_fs.cpp fixes to set up interpolation sanely on gen6,
the setup for 16-wide interpolation was left behind. This brings
relative sanity to that path too.
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Fixes many assertion failures in that path.
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Payload reg setup on gen6 depends more on the dispatch width as well
as the uses_depth, computes_depth, and other flags. That's something
we want to decide at compile time, not at cache lookup. As a bonus,
the fragment shader program cache lookup should be cheaper now that
there's less to compute for the hash key.
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Need to check the required primitive type for GS on Sandybridge,
and when GS is disabled, the new state has to be issued too, instead
of only updating URB state with no GS entry, that caused hang on Sandybridge.
This fixes hang issue during conformance suite testing.
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use constant interpolation instead of linear interpolation for
attributes COL0,COL1 if GL_FLAT is used. This fixes mesa demo bounce.
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This fixes endless vertex shader recompilations in find_translated_vp
if the shader contains an edge flag output.
NOTE: This is a candidate for the 7.9 branch.
Signed-off-by Brian Paul <brianp@vmware.com>
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SF state depends on what inputs there are to the fragment program, not
just the outputs of the VS.
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Sometimes I'm on the train and want to just read what's generated
under INTEL_DEBUG=vs,wm for some code on another generation. Or, for
the next gen enablement we'll want to dump aub files before we have
the actual hardware. This will let us do that.
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In find_value() check if we've hit the 0th/invalid entry before checking
if the pname matches.
Fixes http://bugs.freedesktop.org/show_bug.cgi?id=31987
NOTE: This is a candidate for the 7.9 branch.
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Fixes http://bugs.freedesktop.org/show_bug.cgi?id=32088
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