i965: Store the command parser version number in intel_screen

In order to detect whether the predicate source registers can be used
in a later patch we will need to know the version number for the
command parser. This patch just adds a member to intel_screen and does
an ioctl to get the version.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

docs/GL3: (trivial) mark some tf extensions as done for softpipe/llvmpipe

Those extensions were enabled for ages already.

docs: add news item and link release notes for mesa 10.5.5

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>

docs: Add sha256 sums for the 10.5.5 release

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
(cherry picked from commit 8ee1a1c08b168d7583b806a2f8a2dc2ae28be62a)

Add release notes for the 10.5.5 release

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
(cherry picked from commit d88fb4050561a62fa824bec59ffedf2a826c2083)

st/mesa: make sure to create a "clean" bool when doing i2b

i2b has to work for all integers, not just 1. INEG would not necessarily
result with all bits set, which is something that other operations can
rely on by e.g. using AND (or INEG for b2i).

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Cc: mesa-stable@lists.freedesktop.org

clover: Fix a bug with multi-threaded events v2

It was possible for some events never to get triggered if one thread
was creating events and another threads was waiting for them.

This patch consolidates soft_event::wait() and hard_event::wait()
into event::wait() so that hard_event objects will now wait for
all their dependencies to be submitted before flushing the command
queue.

v2:
  - Rename variables
  - Use mutable varibales so we can keep event::wait() const
  - Open code signalled() call so mutex can be atted to signalled
    without deadlocking.

CC: 10.5 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>

clover: Add a mutex to guard queue::queued_events

This fixes a potential crash where on a sequence like this:

Thread 0: Check if queue is not empty.
Thread 1: Remove item from queue, making it empty.
Thread 0: Do something assuming queue is not empty.

CC: 10.5 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>

i965/fs: Add missing initializer in fs_visitor().

egl: Remove skeleton implementation of EGL_MESA_screen_surface

No backend wires this up to anything, and the extension spec has been
marked obsolete for 4+ years.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>

egl/swrast: Enable config extension for swrast

Enables to use dri config for swrast, like vblank_mode.

Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Axel Davy <axel.davy@ens.fr>

egl/wayland: Implement swrast support

Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>.
Signed-off-by: Axel Davy <axel.davy@ens.fr>

egl/wayland: Simplify dri2_wl_create_surface

This function is always used with EGL_WINDOW_BIT. Pixmaps are forbidden
for Wayland, and PBuffers are unimplemented.

Reviewed-by: Daniel Stone <daniels@collabora.com>.
Signed-off-by: Axel Davy <axel.davy@ens.fr>

egl/x11: move dri2_x11_swrast_create_image_khr to egl_dri2_fallback.h

Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Axel Davy <axel.davy@ens.fr>

egl/wayland: Implement DRI_PRIME support

When the server gpu and requested gpu are different:
. They likely don't support the same tiling modes
. They likely do not have fast access to the same locations

Thus we do:
. render to a tiled buffer we do not share with the server
. Copy the content at every swap to a buffer with no tiling
that we share with the server.

This is similar to the glx dri3 DRI_PRIME implementation.

Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Axel Davy <axel.davy@ens.fr>

egl/wayland: Add support for render-nodes

It is possible the server advertises a render-node.
In that case no authentication is needed,
and Gem names are forbidden.

Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Axel Davy <axel.davy@ens.fr>
v2: do not check for __DRI_IMAGE_DRIVER, but instead
do not advertise __DRI_DRI2_LOADER when on a render-node.

glx/dri3: Add additional check for gpu offloading case

Checks blitImage is implemented.
Initially having the __DRIimageExtension extension
at version 9 at least meant blitImage was supported.
However some implementation do advertise version >= 9
without implementing it.

CC: 10.5 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Axel Davy <axel.davy@ens.fr>

doc/egl: Remove depreciated EGL_SOFTWARE

EGL_SOFTWARE is not supported anywhere in the code,
whereas LIBGL_ALWAYS_SOFTWARE is.

Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Axel Davy <axel.davy@ens.fr>

egl/wayland: properly destroy wayland objects

the wl_registry and the wl_queue allocated weren't destroyed.

CC: 10.5 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Axel Davy <axel.davy@ens.fr>

i965/fs: Disable opt_sampler_eot for textureGather

The opt_sampler_eot optimisation seems to break when the last
instruction is SHADER_OPCODE_TG4. A bunch of Piglit tests end up doing
this so it causes a lot of regressions. I can't find any documentation
or known workarounds to indicate that this is expected behaviour, but
considering that this is probably a pretty unlikely situation in a
real use case we might as well disable it in order to avoid the
regressions. In total this fixes 451 tests.

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chris Forbes <chrisf@ijw.co.nz>

mesa: use _mesa_has_compute_shaders instead of extension check

This was really the original purpose, for enabling the path for
ES3.1 tests without the extension being set. Set also fallthrough
comment for Coverity (caught by Matt).

v2: .. and test the right way, not wrong one (Ilia Mirkin)

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

main: glGetIntegeri_v fails for GL_VERTEX_BINDING_STRIDE

The return type for GL_VERTEX_BINDING_STRIDE is missing,
this cause glGetIntegeri_v to fail.

Signed-off-by: Marta Lofstedt <marta.lofstedt@linux.intel.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Cc: "10.4 10.5" <mesa-stable@lists.freedesktop.org>

r600: use pipe->hw prim convert from radeonsi

This avoids future addition to PIPE_PRIM_ from causing regressions
on r600g.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

freedreno/ir3/nir: fix build break after f752effa

Our lower if/else pass was missed when converting NIR to use linked
lists rather than hashsets to track use/def sets.

Signed-off-by: Rob Clark <robclark@freedesktop.org>

nv50/ir: only enable mul saturate on G200+

Commit 44673512a84 enabled support for saturating fmul. However
experimentally this does not seem to work on the older chips. Restrict
the feature to G200 (NVA0) and later.

Reported-by: Pierre Moreau <pierre.morrow@free.fr>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90350
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Reviewed-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Cc: mesa-stable@lists.freedesktop.org

nvc0: reset the instanced elements state when doing blit using 3d engine

Since we update num_vtxelts here, we could otherwise end up with stale
instancing information in the upper bits which wouldn't otherwise get
reset. (Also we run the risk of the previous draw having set the first
element as instanced.)

This appears as one of the causes for the test pointed out in fdo#90363
to fail on nvc0.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90363
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: mesa-stable@lists.freedesktop.org

nvc0: keep track of PGRAPH state in nvc0_screen

See identical commit for nv50. Destroying the current context and then
creating a new one or switching to another existing context would cause
the "current" state to not be properly initialized, so we save it off in
the screen.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: mesa-stable@lists.freedesktop.org

nv50: keep track of PGRAPH state in nv50_screen

Normally this is kept in nv50_context, and on switching the active
context, the state is copied from the previous context. However when the
last context is destroyed, this is lost, and a new context might later
be created. When the currently-active context is destroyed, save its
state in the screen, and restore it when setting the current context.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90363
Reported-by: Matteo Bruni <matteo.mystral@gmail.com>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Tested-by: Matteo Bruni <matteo.mystral@gmail.com>
Cc: mesa-stable@lists.freedesktop.org

nir: Fix aggressive typos in nir_from_ssa.c.

s/agressive/aggressive/g

Trivial.

nir/search: Save/restore the variables_seen bitmask when matching

Shader-db results on Broadwell:

   total instructions in shared programs: 7152330 -> 7137006 (-0.21%)
   instructions in affected programs:     1330548 -> 1315224 (-1.15%)
   helped:                                5797
   HURT:                                  76
   GAINED:                                0
   LOST:                                  8

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

nir/search: Assert that variable id's are in range

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

nir/search: handle explicitly sized sources in match_value

Previously, this case was being handled in match_expression prior to
calling match_value.  However, there is really no good reason for this
given that match_value has all of the information it needs.  Also, they
weren't being handled properly in the commutative case and putting it in
match_value gives us that for free.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

nir/nir: Use a linked list instead of a hash set for use/def sets

This commit switches us from the current setup of using hash sets for
use/def sets to using linked lists.  Doing so should save us quite a bit of
memory because we aren't carrying around 3 hash sets per register and 2 per
SSA value.  It should also save us CPU time because adding/removing things
from use/def sets is 4 pointer manipulations instead of a hash lookup.

Running shader-db 50 times with USE_NIR=0, NIR, and NIR + use/def lists:

   GLSL IR Only:        586.4 +/- 1.653833
   NIR with hash sets:  675.4 +/- 2.502108
   NIR + use/def lists: 641.2 +/- 1.557043

I also ran a memory usage experiment with Ken's patch to delete GLSL IR and
keep NIR.  This patch cuts an aditional 42.9 MiB of ralloc'd memory over
and above what we gained by deleting the GLSL IR on the same dota trace.

On the code complexity side of things, some things are now much easier and
others are a bit harder.  One of the operations we perform constantly in
optimization passes is to replace one source with another.  Due to the fact
that an instruction can use the same SSA value multiple times, we had to
iterate through the sources of the instruction and determine if the use we
were replacing was the only one before removing it from the set of uses.
With this patch, uses are per-source not per-instruction so we can just
remove it safely.  On the other hand, trying to iterate over all of the
instructions that use a given value is more difficult.  Fortunately, the
two places we do that are the ffma peephole where it doesn't matter and GCM
where we already gracefully handle duplicates visits to an instruction.

Another aspect here is that using linked lists in this way can be tricky to
get right.  With sets, things were quite forgiving and the worst that
happened if you didn't properly remove a use was that it would get caught
in the validator.  With linked lists, it can lead to linked list corruption
which can be harder to track.  However, we do just as much validation of
the linked lists as we did of the sets so the validator should still catch
these problems.  While working on this series, the vast majority of the
bugs I had to fix were caught by assertions.  I don't think the lists are
going to be that much worse than the sets.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

util/list: Add a list validation function

Acked-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>

util/list: Add list_empty and list_length functions

v2: Don't use C99 when iterating over the list

Acked-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>

util/list: Add C99-based iterator macros

v2: Use LIST_ENTRY instead of container_of in iterators

Acked-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>

util: Move gallium's linked list to util

The linked list in gallium is pretty much the kernel list and we would like
to have a C-based linked list for all of mesa.  Let's not duplicate and
just steal the gallium one.

Acked-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>

gallium/double_list: s/INLINE/inline and remove the p_compiler include

Acked-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>

nir: Use nir_instr_rewrite_src in copy propagation

We were rolling our own rewrite_src variant in copy-propagation.  Let's
stop doing that and use the ones in core NIR.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

nir: Add a function for rewriting the condition of an if statement

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

nir: Add and use initializer #defines for nir_src and nir_dest

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

nir: Modernize the out-of-SSA pass

The out-of-SSA pass was one of the first passes written when getting SSA
up-and-going (for obvious reasons).  As such, it came before a lot of the
nifty SSA-based helpers were introduced.  This commit modernizes it so that
we're no longer doing nearly as much manual banging on use/def sets.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

nir/validate: Validate SSA def parent instructions

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

nv50/ir: only propagate saturate up if some actual folding took place

The former logic would copy the saturate up to any mul with an immediate
if there was a subsequent mul with a saturate. However we only want to
do that if we collapsed 2 muls by multiplying their immediates (or were
able to put the immediate in as a post-multiplier).

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: mesa-stable@lists.freedesktop.org

nir: Delete all traces of nir_op_flog

Nothing produces it, and nothing can consume it.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Acked-by: Jason Ekstrand <jason.ekstrand@intel.com>

nir: Don't produce nir_op_flog from GLSL IR

All paths that produce GLSL IR for NIR lower ir_unop_log.  All paths
that consume NIR will explode if they geta nir_op_flog.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Acked-by: Jason Ekstrand <jason.ekstrand@intel.com>

nir: Delete all traces of nir_op_fexp

Nothing produces it, and nothing can consume it.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Acked-by: Jason Ekstrand <jason.ekstrand@intel.com>

nir: Don't produce nir_op_fexp from GLSL IR

All paths that produce GLSL IR for NIR lower ir_unop_exp.  All paths
that consume NIR will explode if they geta nir_op_fexp.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Acked-by: Jason Ekstrand <jason.ekstrand@intel.com>

prog_to_nir: OPCODE_EXP is not nir_op_fexp

It's a weird thing that provides some values related to 2**x.  It's also
already handled by a case in the switch.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Acked-by: Jason Ekstrand <jason.ekstrand@intel.com>

i965/fs: Improve a comment about stripping trailing zeroes

Originally I wrote that removing the first parameter doesn't work but
I didn't know why. I now found a mention of this in the PRM so it's
probably worthing adding it to the comment.

docs: Update the ARB_direct_state_access status

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement GetVertexArrayIndexed[64]iv

v2: Fix the name of the entry point in the error messages.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Add support for querying GL_VERTEX_ATTRIB_ARRAY_LONG

This parameter was added in OpenGL 4.3 and GL_ARB_direct_state_access.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Add a vao parameter to get_vertex_array_attrib

This is needed to implement glGetVertexArrayIndexediv and
glGetVertexArrayIndexed64iv.

v2: Make the vao parameter const.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement GetVertexArrayiv

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement VertexArrayBindingDivisor

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Add a vao parameter to vertex_binding_divisor

This is needed to implement VertexArrayBindingDivisor.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement VertexArrayAttribBinding

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Add a vao parameter to vertex_attrib_binding

This is needed to implement VertexArrayAttribBinding.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement VertexArrayAttrib[I|L]Format

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Add a vao parameter to update_array_format

This is needed to implement VertexArrayAttrib*Format.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Refactor VertexAttrib[I|L]Format

The only difference between these functions is the legal types and
sizes, so consolidate the code into a single vertex_attrib_format()
function and call it from all three entry points.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement VertexArrayVertexBuffers

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement VertexArrayVertexBuffer

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Add a vao parameter to bind_vertex_buffer

This is needed to implement VertexArrayVertexBuffer and
VertexArrayVertexBuffers.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement VertexArrayElementBuffer

v2: Add a doxygen comment.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement EnableVertexArrayAttrib

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement DisableVertexArrayAttrib

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Keep track of the last looked-up VAO

This saves the cost of repeated hash table lookups when the same
vertex array object is referenced in a sequence of calls such as:

    glVertexArrayAttribFormat(vao, ...);
    glVertexArrayAttribBinding(vao, ...);
    glEnableVertexArrayAttrib(vao, ...);
    ...

Note that VAO's are container objects that are not shared between
contexts.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Add _mesa_lookup_vao_err

This is a convenience function that generates GL_INVALID_OPERATION
when the array object doesn't exist.

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

mesa: Implement CreateVertexArrays

v2: Update the documentation for gen_vertex_arrays().

Reviewed-by: Laura Ekstrand <laura@jlekstrand.net>

i965/skl: In opt_sampler_eot always set destination register to null

opt_sampler_eot enables a direct write to framebuffer from a sample.
In order to do this the sample message needs to have a message header
so if there wasn't one already then the function adds one. In addition
the function sets the destination register to null because it's no
longer used. However it was only doing this in cases where it was
adding a message header. This patch just moves setting the destination
so that it happens even if there's a messge header. In practice this
doesn't seem to make any difference but it's a bit cleaner.

Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>

i965/fs: Set the header_size on LOAD_PAYLOAD in opt_sampler_eot

Commit 94ee908448 added a header size parameter to the function to
create the LOAD_PAYLOAD instruction. However this broke
opt_sampler_eot which manually constructs the instruction and so
wasn't setting the header_size. This ends up making the parameters for
the send message all have the wrong location and it all falls apart.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>

docs: document the LIBGL_DRI3_DISABLE environment variable

Suggested-by: Axel Davy <axel.davy@ens.fr>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Martin Peres <martin.peres@linux.intel.com>

docs: update ARB_vertex_attrib_64bit status

Add to GL3.txt and release notes.

Signed-off-by: Dave Airlie <airlied@redhat.com>

st/mesa:  add double input support including lowering (v3.1)

This takes a different approach to previously, we cannot index into the
inputMapping with anything but the mesa attribute index, so we can't use
the just add one to index trick, we need more info to add one to it
after we've mapped the input.

(Fixed copy propgation and cleaned up a little)

v2: drop float64 format check, just attr->Doubles.
merge enable patch.
v3: cleanup code a bit.
v3.1: minor review fixups (comment, newline) (Ilia)

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Dave Airlie <airlied@redhat.com>

mesa/vbo: add support for 64-bit vertex attributes. (v1)

This adds support in the vbo and array code to handle
double vertex attributes.

v0.2: merge code to handle doubles in vbo layer.
v1: don't use v0, merge api_array elt code.

Acked-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

glsl: check total count of multi-slot double vertex attribs

The spec is vague all over the place about this, but this seems
to be the intent, we can probably make this optional later if
someone makes hw that cares and writes a driver.

Basically we need to double count some of the d types but
only for totalling not for slot number assignment.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Dave Airlie <airlied@redhat.com>

glsl: track which program inputs are doubles

instead of doing the attempts at dual slot handling here,
let the backend do it.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Dave Airlie <airlied@redhat.com>

glsl: add ARB_vertex_attrib_64bit support. (v2)

Just more boilerplate stuff.

v2:
bad fallthrough on versioning,
this is my ugly but self contained solution (Ian)

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Dave Airlie <airlied@redhat.com>

mesa: add ARB_vertex_attrib_64bit to extensions. (v2)

Just add the boilerplate bits.

v2: add to version.c

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

mapi: add GL_ARB_vertex_attrib_64bit support

This just adds the glapi bits.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

st/glsl_to_tgsi: fix ir_assignment hack doing bad things for doubles

This hack for fixing gl_FragDepth apparantly caused a GLSL shader
outputting a single double to try and output a dvec4, but we hadn't
assigned outputs for the secondary bit.

This avoids going into the hack code for scalar doubles.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Dave Airlie <airlied@redhat.com>

i965/wm/gen6: Add option for disabling statistics collection

Normally this is always needed but for internal blits and clears
we need to be able to disable it.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>

i965/wm/gen6: Refactor state setup

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>

i965: Remove unused variables

Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

i965: Change the order of conditions tested in if

Reduces the number of conditions tested in if to one in case of
non-integer formats. Makes no functional changes.

Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

nir: Allow feq/fne/ieq/ine to be optimized with inot.

instructions in affected programs:     380 -> 376 (-1.05%)
helped:                                2

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>

nir: Recognize (a < c || b < c) as min(a, b) < c.

... and (a >= c) || (b >= c) as max(a, b) >= c.

Similar to commit 97e6c1b9.

total instructions in shared programs: 6182276 -> 6182180 (-0.00%)
instructions in affected programs:     6400 -> 6304 (-1.50%)
helped:                                68
HURT:                                  4

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>

nir: Recognize trivial min/max.

No changes, but does prevent some regressions in the next commit.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>

nir: Recognize i2b(b2i(x)) as x.

Helps the same set of programs as the previous commit.

instructions in affected programs:     4490 -> 4346 (-3.21%)
helped:                                8

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>

nir: Recognize imul(b2i(a), b2i(b)) as a logical AND.

Four shaders in Unreal 4's Sun Temple are helped, and gain SIMD16
because we avoid an integer multiplication.

instructions in affected programs:     2353 -> 2245 (-4.59%)
helped:                                4
GAINED:                                4

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>

i965/sync: Implement DRI2_Fence extension

This enables EGL_KHR_fence_sync and EGL_KHR_wait_sync.

Below is the difference in piglit results, before and after this patch.
No regressions and several tests improve from 'skip' to 'pass'. Out of
EGL_KHR_fence_sync tests, two of the multithreaded tests skip; all other
tests pass.

  cmdline: piglit run -p gbm -t sync tests/quick.py
  mesa: master@1ac7db0
  piglit: 4069bec
  hw: Ivybridge

        | before after
  ------+-------------
   pass |     32    46
   fail |      0     0
  crash |      0     0
   skip |     35    21
  total |     67    67

v2:
  - Set fence->signalled = true in brw_fence_has_completed() too.

Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

i965/sync: Replace prefix 'intel_sync' -> 'intel_gl_sync'

I'm about to implement DRI2_Fenc in intel_syncobj.c.  To prevent
madness, we need to prefix functions for GL_ARB_sync with 'gl' and
functions for DRI2_Fence with 'dri'. Otherwise, the file will become
a jumble of similiarly named functions.

For example:
    old-name:      intel_client_wait_sync()
    new-name:      intel_gl_client_wait_sync()
    soon-to-come:  intel_dri_client_wait_sync()

I wrote this renaming commit separately from the commit that implements
DRI2_Fence because I wanted the latter diff to be reviewable.

Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

i915/sync: Return early when calloc fails

Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

i965/sync: Return NULL when calloc fails

Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

i915/sync: Don't crash when deleting sync object

Don't pass NULL to drm_intel_bo_unreference(). It doesn't like that.

Bug found by code inspection.

Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

i965/sync: Don't crash when deleting sync object

Don't pass NULL to drm_intel_bo_unreference(). It doesn't like that.

Bug found by code inspection.

Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

egl/dri2: Fix codestyle in a comment

Pointed out by Kenneth Graunke. Trivial fix.

glx: report which DRI version is used when in verbose debug mode

This should make it more obvious in bug reports while also removing
any sort of guesswork for developers.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Martin Peres <martin.peres@linux.intel.com>