| Commit message (Collapse) | Author | Age | Files | Lines |
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Right now virtual GRF book-keeping and allocation is performed in each
visitor class separately (among other hundred different things),
leading to duplicated logic in each visitor and preventing layering as
it forces any code that manipulates i965 IR and needs to allocate
virtual registers to depend on the specific visitor that happens to be
used to translate from GLSL IR.
v2: Use realloc()/free() to allocate VGRF book-keeping arrays (Connor).
Reviewed-by: Matt Turner <[email protected]>
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+82 Piglits - 100% of border color tests now pass on Haswell.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
Cc: [email protected]
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This should have no effect, but will make it easier to implement other
bug fixes.
v2: Eliminate "unsigned one" local; just use the value where necessary.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Cc: [email protected]
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The hardware's integer luminance formats are completely unusable;
currently we fall back to RGBA. This means we need to override
the texture swizzle to obtain the XXX1 values expected for luminance
formats.
Fixes spec/EXT_texture_integer/texwrap formats bordercolor [swizzled]
on Broadwell - 100% of border color tests now pass on Broadwell.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
Cc: [email protected]
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Blits to or from a y-tiled surface must always be a multiple of the tile size.
From page 16 of the HSW PRM
(https://01.org/linuxgraphics/sites/default/files/documentation/intel-gfx-prm-osrc-hsw-memory-views.pdf#16)
"The pitch of a tiled enclosing region must be an integral number of tile
widths"
Signed-off-by: Ben Widawsky <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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An upcoming patch is going to introduce some code here, and having this code
organized as the patch does makes it a bit easier to read later.
There should be no functional change here.
Signed-off-by: Ben Widawsky <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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As it turns out, we were over-thinking the cause of the hang on
Cherryview. It's simply errata for Cherryview.
commit 88fea85f09e2252035bec66ab26c375b45b000f5
Author: Ben Widawsky <[email protected]>
Date: Fri Nov 21 10:47:41 2014 -0800
i965/vec4/gen8: Handle the MUL dest hazard exception
This is an explanation to why we never saw the hang on BDW.
NOTE: The problem the original patch was trying to fix does still exist. It will
have to be fixed at some point.
v2: Modify commit message, s/CHV/BDW
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84212
Signed-off-by: Ben Widawsky <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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We were incorrectly attributing VS time to FS8 on Gen8+, which now use
fs_visitor for vertex shaders.
We don't hit this for geometry shaders yet, but we may as well add
support now - the fix is obvious, and we'll just forget later.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Francisco Jerez <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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Previously, we special cased FB writes and URB writes in the register
allocation code. What we really wanted was to handle any message with
EOT set.
This saves us from extending the list with new opcodes in the future.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Ben Widawsky <[email protected]>
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This helper function basically just checks inst->eot, but also asserts
that only opcodes we expect to terminate threads have EOT set. As far
as I'm aware, we've never had such a bug.
Removing it means that we don't have to extend the list for new opcodes.
Cherryview and Skylake introduce an optimization where sampler messages
can have EOT set; scalar GS/HS/DS will likely introduce new opcodes as
well.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Ben Widawsky <[email protected]>
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Reviewed-by: Kenneth Graunke <[email protected]>
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Allows CMP instructions with float sources to be compacted and coissued.
Reviewed-by: Kenneth Graunke <[email protected]>
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Prevents piglit regressions from the next patch.
Reviewed-by: Kenneth Graunke <[email protected]>
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Fixes misrendering in "Witcher 2" with INTEL_USE_NIR=1, and probably
many other programs.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Reviewed-by: Jason Ekstrand <[email protected]>
Tested-by: Jason Ekstrand <[email protected]>
Signed-off-by: Connor Abbott <[email protected]>
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Originally, get_alu_src was supposed to handle resolving swizzles and
things like that. However, now that basically every instruction we have
only takes scalar sources, we don't really need it anymore. The only case
where it's still marginally useful is for the mov and vecN operations that
are left over from SSA form. We can handle those cases as a special case
easily enough. As a side-effect, we don't need the vec_to_movs pass
anymore.
v2 Jason Ekstrand <[email protected]>:
- Rework the way we detect if we need an extra copy for swizzling. The
old code involved a pile of confusing switch fall-throughs; we now use a
loop.
Reviewed-by: Kenneth Graunke <[email protected]>
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Now that we can scalarize with NIR, there's no need for all this code
anymore. Let's get rid of it and just do scalar operations.
v2: run copy prop before lowering phi nodes
v3: Get rid of the "emit(...)->saturate = foo" pattern
v4: Run alu_to_scalar as an optimization pass
total instructions in shared programs: 5998321 -> 5974070 (-0.40%)
instructions in affected programs: 732075 -> 707824 (-3.31%)
helped: 3137
HURT: 191
GAINED: 18
LOST: 0
Reviewed-by: Kenneth Graunke <[email protected]>
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All but 16 of the programs helped were ARB fp programs.
total instructions in shared programs: 5949286 -> 5945470 (-0.06%)
instructions in affected programs: 275162 -> 271346 (-1.39%)
helped: 1197
GAINED: 1
Reviewed-by: Jason Ekstrand <[email protected]>
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No changes in shader-db.
Reviewed-by: Jason Ekstrand <[email protected]>
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Reviewed-by: Jason Ekstrand <[email protected]>
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Reviewed-by: Jason Ekstrand <[email protected]>
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Reviewed-by: Jason Ekstrand <[email protected]>
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Currently, Mesa uses the lowering pass MOD_TO_FRACT to implement
mod(x,y) as y * fract(x/y). This implementation has a down side though:
it introduces precision errors due to the fract() operation. Even worse,
since the result of fract() is multiplied by y, the larger y gets the
larger the precision error we produce, so for large enough numbers the
precision loss is significant. Some examples on i965:
Operation Precision error
-----------------------------------------------------
mod(-1.951171875, 1.9980468750) 0.0000000447
mod(121.57, 13.29) 0.0000023842
mod(3769.12, 321.99) 0.0000762939
mod(3769.12, 1321.99) 0.0001220703
mod(-987654.125, 123456.984375) 0.0160663128
mod( 987654.125, 123456.984375) 0.0312500000
This patch replaces the current lowering pass with a different one
(MOD_TO_FLOOR) that follows the recommended implementation in the GLSL
man pages:
mod(x,y) = x - y * floor(x/y)
This implementation eliminates the precision errors at the expense of
an additional add instruction on some systems. On systems that can do
negate with multiply-add in a single operation this new implementation
would come at no additional cost.
v2 (Ian Romanick)
- Do not clone operands because when they are expressions we would be
duplicating them and that can lead to suboptimal code.
Fixes the following 16 dEQP tests:
dEQP-GLES3.functional.shaders.builtin_functions.precision.mod.mediump_*
dEQP-GLES3.functional.shaders.builtin_functions.precision.mod.highp_*
Reviewed-by: Ian Romanick <[email protected]>
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For code such as:
uint tmp1 = uint(in0);
uint tmp2 = -tmp1;
float out0 = float(tmp2);
We produce code like:
mov(8) g5<1>.xF -g9<4,4,1>.xUD
which does not produce correct results. This code produces the
results we would expect if tmp1 and tmp2 were signed integers
instead.
It seems that a similar problem was detected and addressed when
using negations with unsigned integers as part of condionals, but
it looks like the problem has a wider impact than that.
This patch fixes the problem by preventing copy-propagation of
negated UD registers in all scenarios, not only in conditionals.
Fixes the following 24 dEQP tests:
dEQP-GLES3.functional.shaders.operator.unary_operator.minus.*_uint_*
dEQP-GLES3.functional.shaders.operator.unary_operator.minus.*_uvec2_*
dEQP-GLES3.functional.shaders.operator.unary_operator.minus.*_uvec3_*
dEQP-GLES3.functional.shaders.operator.unary_operator.minus.*_uvec4_*
Reviewed-by: Anuj Phogat <[email protected]>
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Replace the hard-coded 0's with the context clamp value.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Nothing enables the extension yet, but the values are now available.
The spec calls for it to only be exposed for GL 3.3+, which is core-only
in mesa. Instead we allow any driver to enable it, including in a compat
context for any GL version.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Glenn Kennard <[email protected]>
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Paul originally had to reverse engineer these formulas based on the
description about how the sampler works. The description here is not
the easiest to follow - especially given that it's from the Sandybridge
era, when the hardware only did 4x multisampling.
Jordan and I recently found another part of the documentation where they
simply state that IMS dimensions must be adjusted by a set of formulas.
Quoting this section provides an easy to follow explanation for the
code, including 2x/4x/8x/16x.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Chad Versace <[email protected]>
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In preparation for glBlitNamedFramebuffer, the DD table function
BlitFramebuffer needs to accept two arbitrary framebuffer objects rather
than assuming ctx->ReadBuffer and ctx->DrawBuffer.
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88841
Reviewed-by: Anuj Phogat <[email protected]>
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This limits the style changes to modes inherited from prog-mode. The
main reason to do this is to avoid setting fill-column for people
using Emacs to edit commit messages because 78 characters is too many
to make it wrap properly in git log. Note that makefile-mode also
inherits from prog-mode so the fill column should continue to apply
there.
v2: Apply to all the .dir-locals.el files, not just the one in the
root directory.
Acked-by: Michel Dänzer <[email protected]>
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For GL_TEXTURE_1D_ARRAY targets we store the depth of the array
in the Height field and leave Depth=1 in the underlying texture
object. When we call intel_miptree_copy_teximage in the process
of re-creating a miptree (possibily because the number of miplevels
has changed) we didn't account for this, so we where only copying
texture images for the first slice.
Reviewed-by: Jason Ekstrand <[email protected]>
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The GL spec guarantees that glGetTexImage will never get a multisampled
texture, but this is not true for glReadPixels. If we get a multisampled
buffer, we have to do a multisample resolve on it before we can pull the
data down for the user. Since this isn't practical to handle in
tiled_memcpy, we just fall back to the other paths that can handle this.
Reviewed-by: Kenneth Graunke <[email protected]>
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And remove the mocs argument of the emit_buffer_surface_state vtbl hook. Its
semantics vary greatly from one generation to another, so it kind of
encourages the caller to pass 0 which is the only valid setting across
generations. After this commit the hardware-specific code decides what the
best cacheability settings are for buffer surfaces, just like we do for
textures.
This together with some additional changes coming is expected to improve
performance of pull constants, buffer textures, atomic counters and image
objects on Gen7 and up.
Reviewed-by: Kenneth Graunke <[email protected]>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88841
Reviewed-by: Chad Versace <[email protected]>
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Reviewed-by: Chad Versace <[email protected]>
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According to the SKL bspec the 3DSTATE_CONSTANT_* commands only take
effect on the next corresponding 3DSTATE_BINDING_TABLE_POINTER_*
command. This patch just makes it set the BRW_NEW_SURFACES state when
uploading the push constants to ensure the binding tables will be
updated.
This fixes the fbo-blending-formats Piglit test and possibly others.
Reviewed-by: Kristian Høgsberg <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Topi Pohjolainen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Signed-off-by: Topi Pohjolainen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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When color buffers alone are concerned the depth is not needed.
No regression on BDW where meta blit is used instead of blorp. I
also disabled blorp temporarily for fbo-blits on IVB and saw no
regressions there either.
I also compared several graphics benchmarks on BDW and saw neither
regressions or improvements.
Signed-off-by: Topi Pohjolainen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Implementing an idea from Ken, on i965 the shader program for 2D
blits becomes significantly simpler.
Before:
pln(8) g6<1>F g4<0,1,0>F g2<8,8,1>F { align1 1Q compacted };
pln(8) g7<1>F g4.4<0,1,0>F g2<8,8,1>F { align1 1Q compacted };
send(8) g2<1>UW g6<8,8,1>F
sampler (1, 0, 0, 1) mlen 2 rlen 4 { align1 1Q };
mov(8) g123<1>F g2<8,8,1>F { align1 1Q compacted };
mov(8) g124<1>F g3<8,8,1>F { align1 1Q compacted };
mov(8) g125<1>F g4<8,8,1>F { align1 1Q compacted };
mov(8) g126<1>F g5<8,8,1>F { align1 1Q compacted };
mov(8) g127<1>F g2<8,8,1>F { align1 1Q compacted };
nop ;
sendc(8) null g123<8,8,1>F
render RT write SIMD8 LastRT Surface = 0 mlen 5 rlen 0 { align1 1Q EOT };
After:
pln(8) g6<1>F g4<0,1,0>F g2<8,8,1>F { align1 1Q compacted };
pln(8) g7<1>F g4.4<0,1,0>F g2<8,8,1>F { align1 1Q compacted };
send(8) g124<1>UW g6<8,8,1>F
sampler (1, 0, 0, 1) mlen 2 rlen 4 { align1 1Q };
sendc(8) null g124<8,8,1>F
render RT write SIMD8 LastRT Surface = 0 mlen 4 rlen 0 { align1 1Q EOT };
v2 (Matt): Removed unintended white-space change
Signed-off-by: Topi Pohjolainen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Currently all blit programs are unconditionally compiled with
gl_FragDepth.
Signed-off-by: Topi Pohjolainen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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This patch advertises support for GL_OES_texture_*float* extensions
when using i965 drivers.
Signed-off-by: Kevin Rogovin <[email protected]>
Signed-off-by: Kalyan Kondapally <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>
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We have two copies of it in the tree, I'm going to delete one.
Reviewed-by: Marek Olšák <[email protected]>
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Signed-off-by: Sven Arvidsson <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87076
Signed-off-by: Marek Olšák <[email protected]>
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I haven't actually seen this bug in the wild, but it's possible that
someone could ask to do a S3TC PBO download or something. This protects us
from accidentally creating a render target with a compressed or otherwise
non-renderable format.
Reviewed-by: Kenneth Graunke <[email protected]>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88792
Reviewed-by: Kenneth Graunke <[email protected]>
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Added intel_readpixels_tiled_mempcpy and intel_gettexsubimage_tiled_mempcpy
functions. These are the fast paths for glReadPixels and glGetTexImage.
On chrome, using the RoboHornet 2D Canvas toDataURL test, this patch cuts
amount of time spent in glReadPixels by more than half and reduces the time
of the entire test by 10%.
v2: Jason Ekstrand <[email protected]>
- Refactor to make the functions look more like the old
intel_tex_subimage_tiled_memcpy
- Don't export the readpixels_tiled_memcpy function
- Fix some pointer arithmatic bugs in partial image downloads (using
ReadPixels with a non-zero x or y offset)
- Fix a bug when ReadPixels is performed on an FBO wrapping a texture
miplevel other than zero.
v3: Jason Ekstrand <[email protected]>
- Better documentation fot the *_tiled_memcpy functions
- Add target restrictions for renderbuffers wrapping textures
v4: Jason Ekstrand <[email protected]>
- Only check the return value of brw_bo_map for error and not bo->virtual
v5: Jason Ekstrand <[email protected]>
- Don't unnecessarily repeat a comment
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Chad Versace <[email protected]>
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This commit addes tiled copy functions for coping from tiled memory to
linear memory. These are very similar to the existing linear-to-tiled
paths.
v2: Jason Ekstrand <[email protected]>
- New commit message
- Various whitespace fixes
- Added ptrdiff_t casts as done in commit 225a09790
v3: Jason Ekstrand <[email protected]>
- Fixed a comment
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Chad Versace <[email protected]>
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This commit refactors the tiled_memcpy code in intel_tex_subimage.c and
moves it into its own file intel_tiled_memcpy files. Also, xtile_copy and
ytile_copy are renamed to linear_to_xtiled and linear_to_ytiled
respectively. The *_faster functions are similarly renamed.
There was also a bit of logic to select between the the libc provided
memcpy function and our custom memcpy that does an RGBA -> BGRA swizzle.
This was moved into an intel_get_memcpy function so that rgba8_copy can
live (and be inlined) in intel_tiled_memcpy.c.
v2: Jason Ekstrand <[email protected]>
- Better commit message
- Fix up the copyright on the intel_tiled_memcpy files
- Various whitespace fixes
- Moved a bunch of stuff that did not need to be exposed from
intel_tiled_memcpy.h to intel_tiled_memcpy.c
- Added proper documentation for intel_get_memcpy
- Incorperated the ptrdiff_t tweaks from commit 225a09790
v3: Jason Ekstrand <[email protected]>
- Fixed a comment
- Move the tile size constants into the .c file
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Chad Versace <[email protected]>
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There's no reason why we should be doing this for 2D textures and not
rectangles. Just a matter of adding another hunk to the condition.
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Chad Versace <[email protected]>
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