| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Kristian Høgsberg <[email protected]>
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The docs say that we shouldn't need this workaround for gen8+, but just
removing it, causes gpu hangs. We'll revisit this, but for now, just
extend the workaround to gen9.
Signed-off-by: Damien Lespiau <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Kristian Høgsberg <[email protected]>
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SKL moves the GS threadcount to dw8 from dw7, and no longer does the
divide by 2 thing.
Signed-off-by: Ben Widawsky <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Kristian Høgsberg <[email protected]>
Tested-by: Kristian Høgsberg <[email protected]>
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This patch fixes this build error with G++ <= 4.6.
CXX test_vf_float_conversions.o
test_vf_float_conversions.cpp: In function ‘unsigned int f2u(float)’:
test_vf_float_conversions.cpp:63:20: error: expected primary-expression before ‘.’ token
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86939
Signed-off-by: Vinson Lee <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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The register allocator prefers low-index registers from vc4_regs[] in the
configuration we're using, which is good because it means we prioritize
allocating the accumulators (which are faster). On the other hand, it was
causing raddr conflicts because everything beyond r0-r2 ended up in
regfile A until you got massive register pressure. By interleaving, we
end up getting more instruction pairing from getting non-conflicting
raddrs and QPU_WSes.
total instructions in shared programs: 55957 -> 52719 (-5.79%)
instructions in affected programs: 46855 -> 43617 (-6.91%)
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We can avoid it by carefully ordering the packing. This is important as a
step in giving r3 to the register allocator.
total instructions in shared programs: 56087 -> 55957 (-0.23%)
instructions in affected programs: 18368 -> 18238 (-0.71%)
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This is being emitted now from st_glsl_to_tgsi.cpp.
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This is the maximum value allowed for this field.
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All uses of this require that the value be at least one, so it's
easier to report at least one than having to wrap all uses
in MAX2(max_compute_units, 1).
Reviewed-by: Marek Olšák <[email protected]>
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Harvested GPUs have some of their render backends disabled, so
in order to prevent the hardware from trying to render things
with these disabled backends we need to correctly program
the PA_SC_RASTER_CONFIG register.
v2:
- Write RASTER_CONFIG for all SEs.
v3:
- Set GRBM_GFX_INDEX.INSTANCE_BROADCAST_WRITES bit.
- Set GRBM_GFX_INFEX.SH_BROADCAST_WRITES bit when done setting
PA_SC_RASTER_CONFIG.
- Get num_se and num_sh_per_se from kernel.
v4:
- Get correct value for num_se
- Remove loop for setting PA_SC_RASTER_CONFIG
- Only compute raster config when a backend has been disabled.
v5: Michel Dänzer
- Fix computation for chips with multiple SEs
https://bugs.freedesktop.org/show_bug.cgi?id=60879
CC: "10.4 10.3" <[email protected]>
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There is a bug in the current lowering pass implementation where we lower saturate
to clamp only for vertex shaders on drivers supporting SM 3.0. The correct behavior
is to actually lower to clamp only when we don't support saturate which happens
on drivers that don't support SM 3.0
Reviewed-by: Marek Olšák <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Signed-off-by: Abdiel Janulgue <[email protected]>
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v3: Fix multi-line comment format (Ian)
Reviewed-by: Matt Turner <[email protected]>
Signed-off-by: Abdiel Janulgue <[email protected]>
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Fixes an infinite loop in swrast where the lowering pass unpacks saturate into
clamp but the opt_algebraic pass tries to do the opposite.
v3 (Ian):
This is a revert of commit cfa8c1cb "ir_to_mesa: lower ir_unop_saturate" on
the ir_to_mesa.cpp portion. prog_execute.c can handle saturates in vertex
shaders, so classic swrast shouldn't need this lowering pass.
Cc: "10.4" <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83463
Reviewed-by: Matt Turner <[email protected]>
Signed-off-by: Abdiel Janulgue <[email protected]>
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Reviewed-by: Matt Turner <[email protected]>
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The case-range extension is available in clang and gcc at least back to
3.4.0.
Signed-off-by: Chris Forbes <[email protected]>
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Signed-off-by: Chris Forbes <[email protected]>
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Reviewed-by: Chris Forbes <[email protected]>
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Mesa already implements the behavior of EGL_KHR_get_all_proc_addresses
and EGL_KHR_client_get_all_proc_addresses. This patch just exposes the
extension strings.
See: https://www.khronos.org/registry/egl/extensions/KHR/EGL_KHR_get_all_proc_addresses.txt
Signed-off-by: Chad Versace <[email protected]>
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Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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Fixes R11G11B10F rendering, and is required for SRGB format support.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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There were previously regressions regarding border colors, which the
updated swizzle logic resolves.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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This is a hack since it uses the texture information together with the
sampler, but I don't see a better way to do it. In OpenGL, there is a
1:1 correspondence.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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Expert debugging assistance provided by Chris Forbes.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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Signed-off-by: Chris Forbes <[email protected]>
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Fixes the piglit test: spec/glsl-es-3.00/compiler/undef-GL_ES.vert
Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Anuj Phogat <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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This was an oversight in the original patch. When PolygonMode is
used, then front faces, back faces, or both may be rendered as
points and are affected by point sprite state.
Note that SNB/IVB can't actually be fully conformant here, for
a legacy context -- we don't have separate sets of pointsprite
enables for front and back faces. Haswell ignores pointsprite
state correctly in hardware for non-point rasterization, so can
do this correctly, but it doesn't seem worth it.
Signed-off-by: Chris Forbes <[email protected]>
Cc: "10.4" <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86764
Reviewed-by: Matt Turner <[email protected]>
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Dead code elimination was eating the Y offset.
Fixes the piglit test:
spec/ARB_gpu_shader5/arb_gpu_shader5-interpolateAtOffset-nonconst
Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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The original idea was to optimize away the condition by integrating it directly
into the CMP instruction. However, with native integers this requires an extra
I2F instruction. It is also fishy because the negation used didn't really honor
ieee754 float comparison rules, not to mention the CMP instruction itself
(being pretty much a legacy instruction) doesn't really have defined special
float value behavior in any case.
So, use UCMP and adjust the code trying to optimize the condition away
accordingly (I have absolutely no idea if such conditions are actually hit
or would be translated away somewhere else already).
v2: cosmetic changes
No piglit regressions on llvmpipe.
Reviewed-by: Jose Fonseca <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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Multiple scenes per context are meant to be used so a new scene can be built
while another one is processed in rasterization. However, quite surprisingly,
this does not actually work (and according to git log, possibly never did,
though maybe it did at some point further back (5 years+) but was buggy)
because we always wait immediately on the rasterizer to finish the scene when
contexts (and hence setup/scene) is flushed. This means when we try to get
an empty scene later, any old one is already empty again.
Thus using multiple scenes is just a waste of memory (not too bad, since the
additional scenes are guaranteed to be empty, which means their size ought to
be one data block (64kB) plus the size of some structs), without actually
really doing anything. (There is also quite some code for the whole concept of
multiple scenes which doesn't really do much in practice, but keep it hoping
the wait-on-scene-flush can be fixed some day.)
Reviewed-by: Jose Fonseca <[email protected]>
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The prim assembler may change the prim type when injecting prim ids now,
which isn't reflected by what's stored in emit.
This looks brittle and potentially dangerous (it is not obvious if such prim
type changes are really supported by pt emit, the prim type is actually also
set in prepare which would then be different).
This fixes piglit primitive-id-no-gs-first-vertex.shader_test.
Reviewed-by: Jose Fonseca <[email protected]>
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The decomposition done in the prim assembler will turn tri fans into tris,
but this wasn't reflected in the output prim type. Meaning with a tri fan
with 6 verts input, the output was a tri fan with 12 vertices instead of a
tri list with 12 vertices (not as bad as it sounds, since the additional tris
created would all be degenerate since they'd all have two times vertex zero
but still bogus).
This is because the prim assembler is used if either the input topology is
something with adjacency, or if prim id needs to be injected, and for the
latter case topologies without adjacency can be converted to basic ones.
Unfortunately decomposition here for inserting prim ids is necessary, at
least for the indexed case where we can't just insert the prim id at the
right place depending on provoking vertex.
Reviewed-by: Jose Fonseca <[email protected]>
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The default macros when the adjacency macros aren't defined will already
exactly do that (that is, drop the adjacent vertices and call the non-adjacent
macro).
Reviewed-by: Jose Fonseca <[email protected]>
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The opcode was removed alongside SFL by commit
ecfe9e2ad2b5f178ef09420f8d95d49937137cd9.
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Safe from causing optimization loops, since we don't constant propagate
VF arguments.
(for this and the previous patch):
total instructions in shared programs: 4289075 -> 4271932 (-0.40%)
instructions in affected programs: 1616779 -> 1599636 (-1.06%)
Reviewed-by: Ian Romanick <[email protected]>
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The LINE instruction performs a multiply-add instruction (a * b + c)
where b and c are scalar arguments. It reads b and c from offsets in
src0 such that you can load them (it they're representable) as a
vector-float immediate with a single instruction.
Hurts some programs, but that'll all get better once we CSE the
vector-float MOVs in the next patch.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=77544
Reviewed-by: Ian Romanick <[email protected]>
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Reviewed-by: Ian Romanick <[email protected]>
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The PRMs say that
<src0> region must be a replicated scalar
(with HorzStride = VertStride = 0).
but apparently that doesn't actually apply to all generations. I did
notice when implementing the optimization later in this series that G45
and ILK needed this regioning.
Reviewed-by: Ian Romanick <[email protected]>
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Reviewed-by: Ian Romanick <[email protected]>
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Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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total instructions in shared programs: 56995 -> 56087 (-1.59%)
instructions in affected programs: 40503 -> 39595 (-2.24%)
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No difference on shader-db because we tend to have a lot of other
conflicts going on as well (like RADDR_A disagreements)
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The GS has an interesting use for mul. Because the GS can emit multiple
vertices per input vertex, and it also has a unique count at the top of the URB
payload, the GS unit needs to be able to dynamically specify URB write offsets
(relative to the global offset). The documentation in the function has a very
good explanation from Paul on the mechanics.
This fixes around 2000 piglit tests on BSW.
v2:
Reworded commit message (Ben) no mention of CHV (Matt)
Change SHRT_MAX to USHRT_MAX (Ken, and Matt)
Update comment in code to reflect the use of UW (Ben)
Add Gen7+ assertion for the relevant GS code, since it won't work on Gen6- (Ken)
Drop the bogus hunk in emit_control_data_bits() (Ken)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84777 (with many dupes)
Cc: "10.4 10.3 10.2" <[email protected]>
Signed-off-by: Ben Widawsky <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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If an operation is the last one to read a register, the instruction
containing it can also include the op that has the next write to that
register.
total instructions in shared programs: 57486 -> 56995 (-0.85%)
instructions in affected programs: 43004 -> 42513 (-1.14%)
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