| Commit message (Collapse) | Author | Age | Files | Lines |
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We send position.z == 0, DEPTH_RANGE may be some arbitrary range
not including 0 (for exmaple in piglit's hiz tests).
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NOTE: Changed the semantic index for the drawtex coordinate to
be the texture unit index instead of always 0.
Not sure if this is correct but since the value seems to depend
on the unit it would make sense to use different varying slots.
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It's actually the same as P2MF.
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Single-sample color compression doesn't seem that useful anyway.
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It was the same as SO_STATISTICS[1] before.
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This still isn't optimal, since the fence will signal a bit late,
but better than checking on the bo, which may never be ready if it
is shared (which is likely).
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Also, renamed "pixels-rendered" to "samples-passed" because the
occlusion counter increments even if colour and depth writes are
disabled, or (on some implementations) for killed fragments that
passed the depth test when PS early_fragment_tests is set.
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Reviewed-by: Marek Olšák <[email protected]>
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Reviewed-by: Marek Olšák <[email protected]>
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This patch consolidates duplicate code in the brw_depthbuffer and
gen7_depthbuffer state atoms. Previously, these state atoms contained
5 chunks of code for emitting the _3DSTATE_DEPTH_BUFFER packet (3 for
Gen4-6 and 2 for Gen7). Also a lot of logic for determining the
appropriate buffer setup was duplicated between the Gen4-6 and Gen7
functions.
This refactor splits the code into three separate functions:
brw_emit_depthbuffer(), which determines the appropriate buffer setup
in a mostly generation-independent way, brw_emit_depth_stencil_hiz(),
which emits the appropriate state packets for Gen4-6, and
gen7_emit_depth_stencil_hiz(), which emits the appropriate state
packets for Gen7.
Tested using Piglit on Gen5-7 (no regressions).
v2: Re-word some comments. Fix an assertion that incorrectly
prohibited packed depth/stencil formats on Gen6 (these are allowed
provided that HiZ is disabled).
Reviewed-by: Chad Versace <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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This reverts commit dbf94d105a48b7aafb2c8cf64d8b4392d87efea1, which
was working around a bug in the handling of array indexing when
constant folding built-in functions. Now that the constant folding
bug has been fixed, the workaround is no longer needed.
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Mesa constant-folds built-in functions by using a miniature GLSL
interpreter (see
ir_function_signature::constant_expression_evaluate_expression_list()).
This interpreter had a bug in its handling of array indexing, which
caused expressions like "m[i][j]" (where m is a matrix) to be handled
incorrectly. Specifically, it incorrectly treated j as indexing into
the whole matrix (rather than indexing just into the vector m[i]); as
a result the offset computed for m[i] was lost and m[i][j] was treated
as m[j][0].
Fixes piglit tests inverse-mat[234].{vert,frag}.
NOTE: This is a candidate for the 9.1 and 9.0 branches.
Reviewed-by: Ian Romanick <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=57436
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Conceptually the same as previously done in float_to_half.
Should cut down number of instructions from 14 to 10 or so, but
will promote some NaNs to Infs, so it's disabled.
It gets a bit tricky though handling all the cases correctly...
Passes basic tests either way (though there are no tests testing special
cases, but some manual tests injecting them seemed promising).
v2: style and comment fixes suggested by Jose
Reviewed-by: Jose Fonseca <[email protected]>
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This replaces the existing float-to-half implementation.
There are definitely a couple of differences - the old implementation
had unspecified(?) rounding behavior, and could at least in theory
construct Inf values out of NaNs. NaNs and Infs should now always be
properly propagated, and rounding behavior is now towards zero
(note this means too large but non-Infinity values get propagated to max
representable value, not Infinity).
The implementation will definitely not match util code, however (which
does nearest rounding, which also means too large values will get
propagated to Infinity).
Also fix a bogus round mask probably leading to rounding bugs...
v2: fix a logic bug in handling infs/nans.
Reviewed-by: Jose Fonseca <[email protected]>
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Reduced stack size allows to run more threads in some cases,
improving performance for the shaders that use stack (that is, for the
shaders with control flow instructions). E.g. with unigine-based apps.
v4: implement exact computation taking into account wavefront size
v5: add cases for RV620, RS880
Signed-off-by: Vadim Girlin <[email protected]>
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Signed-off-by: Vadim Girlin <[email protected]>
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This allows using L8 and R8 for the font if I8 isn't supported.
Tested-by: Brian Paul <[email protected]>
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The VMware svga driver is picky about making sure the VBO is unmapped
before drawing.
Reviewed-by: Marek Olšák <[email protected]>
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Introduced by 5f41e08cf39d585d600aa506cdcd2f5380c60ddd,
just a silly typo.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=62921.
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v2: reduce key size, don't copy key around to much.
v3: remove key size reduction
Signed-off-by: Christian König <[email protected]>
Reviewed-by: Michel Dänzer <[email protected]>
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This works different than on R600, we need to add the start instance manually.
Signed-off-by: Christian König <[email protected]>
Reviewed-by: Michel Dänzer <[email protected]>
Tested-by: Michel Dänzer <[email protected]>
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Signed-off-by: Christian König <[email protected]>
Reviewed-by: Michel Dänzer <[email protected]>
Tested-by: Michel Dänzer <[email protected]>
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This should be used by both SI and R600.
Signed-off-by: Christian König <[email protected]>
Reviewed-by: Michel Dänzer <[email protected]>
Tested-by: Michel Dänzer <[email protected]>
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Fixes mplayer -vo vdpau OSD.
NOTE: This is a candidate for the 9.1 branch.
Reported-by: Igor Vagulin <[email protected]>
Reviewed-by: Christian König <[email protected]>
Tested-by: Christian König <[email protected]>
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NOTE: This is a candidate for the 9.0 and 9.1 branches.
Signed-off-by: Maarten Lankhorst <[email protected]>
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A fix for lower_jumps progress reporting, very much like similar in
c1e591eed.
NOTE: This is a candidate for stable branches.
Reviewed-by: Ian Romanick <[email protected]>
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All the other expression types allowed here have inst->mlen == 0, and this
one has implied MRF writes for all of its payload, so nothing else in the
implementation should need to change.
Reduces SEND messages for loading from pull constants in kwin's Lanczos
shader from 16 to 6. (Due to a deficiency in constant propagation, I
can't use the hack I did in the previous commit to test the performance
change)
Reviewed-by: Kenneth Graunke <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61554
NOTE: This is a candidate for the 9.1 branch.
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This comes at a minor performance cost at the moment (-3.2% +/- 0.2%, n=14 on
my GM45 forced to load all uniforms through the varying-index path), but we
get a whole vec4 at a time to reuse in the next commit.
v2: Fix comment about channels in the other message.
Reviewed-by: Kenneth Graunke <[email protected]>
NOTE: This is a candidate for the 9.1 branch.
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We weren't setting needs_dep[i] in the loops, so we'd continue on to
potentially add the same workaround MOVs to the later basic block
boundaries, too. We can either set needs_dep[i] to exit through the
normal path, or we can just return since we know we're done.
Reviewed-by: Kenneth Graunke <[email protected]>
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For sampler messages, it depends on the target gen, and on gen4
SIMD16-sampler-on-SIMD8-execution we were returning 4 instead of 8 like we
should.
Reviewed-by: Kenneth Graunke <[email protected]>
NOTE: This is a candidate for the 9.1 branch.
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I think this makes it much more obvious what's going on here.
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Kenneth Graunke <[email protected]>
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This is our first CSE on a regs_written() > 1 instruction, so it takes a
bit of extra fixup. Reduces the number of loads on kwin's Lanczos shader
from 12 to 2.
v2: Fix compiler warning (false positive on possibly-uninitialized variable)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61554
Reviewed-by: Kenneth Graunke <[email protected]> (v1)
NOTE: This is a candidate for the 9.1 branch.
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Like we have done for the VS and for constant-index uniform loads, we use
the sampler engine to get caching in front of the L3 to avoid tickling the
IVB L3 bug. This is also a bit of a functional change, as we're now
loading a vec4 instead of a single dword, though we're not taking
advantage of the other 3 components of the vec4 (yet).
With the driver hacked to always take the varying-index path for all
uniforms, improves performance of my old GLSL demo by 315% +/- 2% (n=4).
This a major fix for some blur shaders in compositors from the
varying-index uniforms support I introduced in 9.1.
v2: Move old offset computation into the pre-gen7 path.
Reviewed-by: Kenneth Graunke <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61554
NOTE: This is a candidate for the 9.1 branch.
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Right now we don't have anything with regs_written() > 1 and !inst->mlen,
but that's about to change.
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Kenneth Graunke <[email protected]>
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We want to load vec4s, since loading a vec4 instead of a dword is
basically no increased latency. But for variable indexed access, the
previous requirement of aligned vec4s for a sampler LD was hard to
implement.
Note that this change only affects those messages that use the surface
format, like sampler LDs, but not to the untyped data cache loads we've
used in other cases.
No significant performance difference on my GLSL demo with uniforms forced
to take the varying pull constants path (n=4).
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Kenneth Graunke <[email protected]>
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This puts the rounding-up logic into the function itself instead of all
the callers having to manage it. Also drop an "unused" comment in gen4,
as the stride *is* used for texbos (and will be for uniforms soon).
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Kenneth Graunke <[email protected]>
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I'm going to want to change the math for gen7 using sampler LD
instructions in a way that gets CSE to occur like we'd hope.
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Kenneth Graunke <[email protected]>
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We weren't inserting it into the list, so it did nothing. This line was
replaced by the MOV/MUL block above.
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Kenneth Graunke <[email protected]>
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This happens quite a bit with varying-index uniform loads. We could also
do better by avoiding the MACH entirely, but there's no reason not to at
least take this step.
Reviewed-by: Kenneth Graunke <[email protected]>
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