nouveau: relax fence emit space assert

We also have the "reserved for kick" space available. Some of my earlier
changes can probably be removed, but this is a quick fix for some of the
rarer fallout.

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

vc4: When the create ioctl fails, free our cache and try again.

This greatly increases the pressure you can put on the driver before
create fails.  Ultimately we need to let the kernel take control of
our cached BOs and just take them from us (and other clients)
directly, but this is a very easy patch for the moment.

Cc: "11.0" <mesa-stable@lists.freedesktop.org>

vc4: Print the rounded shader size in debug output.

It's surprising to see "0kb" printed for debug on short shaders, while
4kb alignment won't be suprising.

vc4: Fix dumping the size of BOs allocated/cached.

60MB of cached BOs are a lot less scary than 600MB.

mesa/tests: add glBufferStorageEXT to ES 3.1 dispatch list

I thought that aliased functions didn't need to be added, but that might
only be if the function aliases something in the same {desktop,ES}
space. Resolves the dispatch sanity test failure.

Fixes: 13b19aa81 (mesa: expose support for GL_EXT_buffer_storage)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92824
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>

vbo: fix another GL_LINE_LOOP bug

Very long line loops which spanned 3 or more vertex buffers were not
handled correctly and could result in stray lines.

The piglit lineloop test draws 10000 vertices by default, and is not
long enough to trigger this.  Even 'lineloop -count 100000' doesn't
trigger the bug.

For future reference, the issue can be reproduced by changing Mesa's
VBO_VERT_BUFFER_SIZE to 4096 and changing the piglit lineloop test to
use glVertex2f(), draw 3 loops instead of 1, and specifying -count
1023.

Acked-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>

svga: implement 'white_fragments' option for VGPU10 fragment shaders

When we emulate XOR logicop mode with blend-subtract, we need to ensure
that the fragment shader always emits white.  We had this implemented
for VGPU9, but not VGPU10.

VMware bug 1545492.

Reviewed-by: Charmaine Lee <charmainel@vmware.com>

u_vbuf: minor code reformatting / line wrapping

Trivial.

u_vbuf: add some const qualifiers

Trivial.

svga: use new enum indices_mode type

Reviewed-by: Charmaine Lee <charmainel@vmware.com>

util/indices: replace #define tokens with enum type

To ease debugging in gdb.

Reviewed-by: Charmaine Lee <charmainel@vmware.com>

i965: check inst->predicate when clearing flag_live at dead code eliminate

Detected by Matt Turner while reviewing commit
a59359ecd22154cc2b3f88bb8c599f21af8a3934

Reviewed-by: Matt Turner <mattst88@gmail.com>

gallivm: fix sampling for s3tc srgb formats when using texture cache

This actually stored the values as 8bit linear values in the cache,
then did another srgb->linear conversion...
We don't want to do the former (decoding 8bit srgb values to 8bit linear
completely defeats the purpose of srgb in the first place), so just decode
to 8bit srgb.
Fixes piglit.spec.ext_texture_srgb.texwrap formats-s3tc tests.

i965/meta: Assert fast clears and rep clears never overlap

There is nothing wrong with the code today, but as one modifies the code it
turns out to be not too difficult to mess up the code, and this easy assertion
should catch such driver implementation failures quickly.

Cc: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chad Versace <chad.versace@intel.com>
Reviewed-by: Neil Roberts <neil@linux.intel.com>

mesa: expose support for GL_EXT_buffer_storage

This extension requires ES 3.1 since it relies on glMemoryBarrier.
For testing purposes I temporarily moved glMemoryBarrier to be an ES 3.0
function.
This has been tested with the piglit in the ML and the Dolphin emulator.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

glsl: make sure to only add subroutines to resource list

Over looked in 763cd8c080353.

Reviewed-by: Tapani Pälli <tapani.palli@intel.com>

glsl: remove old TODO

SSBO support now exists as of commits f24e5e and f408a13dd30.

Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Acked-by: Matt Turner <mattst88@gmail.com>

docs: Mark AoA as done for i965

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

i965: enable ARB_arrays_of_arrays

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>

i965: add support for image AoA

V3: clamp array index to the correct size (the size of the current array
rather than the inner array) Francisco Jerez.

V2: avoid useless zero-initialization and addition for the first AoA level,
avoid redundant temporary, make use of type_size_scalar(), rename aoa_size
to element_size, assign the indirect indexing temporary directly to
image.reladdr, and replace while loop with a for loop. All suggested
by Francisco Jerez.

Reviewed-by: Francisco Jerez <currojerez@riseup.net>

llvmpipe: add cache for compressed textures

compressed textures are very slow because decoding is rather complex
(and because there's no jit code code to decode them too for non-technical
reasons).
Thus, add some texture cache which holds a couple of decoded blocks.
Right now this handles only s3tc format albeit it could be extended to work
with other formats rather trivially as long as the result of decode fits into
32bit per texel (ideally, rgtc actually would decode to more than 8 bits
per channel, but even then making it work for it shouldn't be too difficult).
This can improve performance noticeably but don't expect wonders (uncompressed
is unsurprisingly still faster). It's also possible it might be slower in
some cases (using nearest filtering for example or if there's otherwise not
many cache hits, the cache is only direct mapped which isn't great).
Also, actual decode of a block relies on util code, thus even though always
full blocks are decoded it is done texel by texel - this could obviously
benefit greatly from simd-optimized code decoding full blocks at once...
Note the cache is per (raster) thread, and currently only used for fragment
shaders.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

llvmpipe: use simple coeffs calc for 128bit vectors

There are currently two methods in llvmpipe code to calculate coeffs to
be used as inputs for the fragment shader. The two methods use slightly
different ways to do the floating point calculations and thus produce
slightly different results.

The decision which method to use is determined by the size of the vector
that is used by the platform.

For vectors with size of more than 128bit, a single-step method is used,
in which coeffs_init_simple() + attribs_update_simple() are called.

For vectors with size of 128bit or less, a two-step method is used, in
which coeffs_init() + attribs_update() are called.

This causes some piglit tests (clip-distance-bulk-copy,
interface-vs-unnamed-to-fs-unnamed) to fail when using platforms with
128bit vectors (such as ppc64le or x86-64 without AVX).

This patch makes platforms with 128bit vectors use the single-step
method (aka "simple" method) instead of the two-step method.
This would make the resulting coeffs identical between more platforms,
make sure the piglit tests passes, and make debugging and maintainability
a bit easier as the generated LLVM IR will be the same for more platforms.

The performance impact is negligible for x86-64 without AVX, and
basically non-existent for ppc64le, as it can be seen from the following
benchmarking results:

- glxspheres, on ppc64le:

   - original code:  4.892745317 frames/sec 5.460303857 Mpixels/sec
   - with the patch: 4.932083873 frames/sec 5.504205571 Mpixels/sec
   - Additional 0.8% performance boost

- glxspheres, on x86-64 without AVX:

   - original code:  20.16418809 frames/sec 22.50323395 Mpixels/sec
   - with the patch: 20.31328989 frames/sec 22.66963152 Mpixels/sec
   - Additional 0.74% performance boost

- glmark2, on ppc64le:

  - original code:  score of 58
  - with my change: score of 57

- glmark2, on x86-64 without AVX:

  - original code:  score of 175
  - with the patch: score of 167
  - Impact of of -4.5% on performance

- OpenArena, on ppc64le:

  - original code:  3398 frames 1719.0 seconds 2.0 fps
                    255.0/505.9/2773.0/0.0 ms

  - with the patch: 3398 frames 1690.4 seconds 2.0 fps
                    241.0/497.5/2563.0/0.2 ms

  - 29 seconds faster with the patch, which is about 2%

- OpenArena, on x86-64 without AVX:

  - original code:  3398 frames 239.6 seconds 14.2 fps
                    38.0/70.5/719.0/14.6 ms

  - with the patch: 3398 frames 244.4 seconds 13.9 fps
                    38.0/71.9/697.0/14.3 ms

  - 0.3 fps slower with the patch (about 2%)

Additional details can be found at:
http://lists.freedesktop.org/archives/mesa-dev/2015-October/098635.html

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>

nir: Properly invalidate metadata in nir_opt_remove_phis().

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>
Cc: mesa-stable@lists.freedesktop.org

nir: Properly invalidate metadata in nir_lower_vec_to_movs().

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>
Cc: mesa-stable@lists.freedesktop.org

nir: Properly invalidate metadata in nir_opt_copy_prop().

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>
Cc: mesa-stable@lists.freedesktop.org

nir: Properly invalidate metadata in nir_remove_dead_variables().

v2: Preserve live_variables too (Jason).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>

nir: Properly invalidate metadata in nir_split_var_copies().

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>
Cc: mesa-stable@lists.freedesktop.org

nir: Properly invalidate metadata in nir_lower_global_vars_to_local().

v2: Preserve nir_metadata_live_variables as well (caught by Jason).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>

nir: Unexpose _impl versions of copy_prop and dce

Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

mesa: rename UniformBlockStageIndex to InterfaceBlockStageIndex

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Cc: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Cc: Iago Toral <itoral@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>

i965/vec4: Send from GRF in atomic operations.

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

gallium/radeon: allow returning SDMA fences from pipe->flush

pipe->flush never returned SDMA fences. This fixes it.
This is only an issue on amdgpu where fences can signal out of order.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

gallium/radeon: always return the last SDMA fence on SDMA flush if needed

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

i965: Add scalar geometry shader support.

This is hidden behind INTEL_SCALAR_GS=1 for now, as we don't yet support
instanced geometry shaders, and Orbital Explorer's shader spills like
crazy.  But the infrastructure is in place, and it's largely working.

v2: Lots of rebasing.

v3: (feedback from Kristian Høgsberg)
- Handle stride and subreg_offset correctly for ATTRs; use a helper.
- Fix missing emit_shader_time_end() call.
- Delete dead code after early EOT in static vertex case to avoid
  tripping asserts in emit_shader_time_end().
- Use proper D/UD type in intexp2().
- Fix "EndPrimitve" and "to that" typos.
- Assert that invocations == 1 so we know this is missing.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>

i965: Add scalar GS input lowering code.

We really ought to compute the VUE map at link time and stash it, rather
than recomputing it here, but with the mess of program structures I
wasn't sure where to put it.  We can improve that later.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>

i965: Fix the fs_visitor GS constructor to take shader_time_index.

Jason reworked this so it isn't simply ST_GS anymore...it's either -1
(not enabled) or an actual offset.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>

i965/gen8+: Extract color clear surface state

On future generation platforms the color clear value is stored elsewhere in the
surface state. By extracting this logic, we can cleanly implement the difference
in an upcoming patch.

Should have no functional impact.

v2: Move hunk from the next patch into this patch (Matt)
Whitespace fix (Ben)

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Neil Roberts <neil@linux.intel.com>

i965/gen8+: Remove redundant zeroing of surface state

The allocate_surface_state already zeroes out the surface state, and doing it
later in the function is destructive for what we want to accomplish when we
split out support for gen9 fast clears (next patch).

NOTE: Only dword 12 actually needed to be fixed, but it seemed more consistent
to remove the other instances as well. I can make an argument both ways (open
coding it, vs. not). I can rework the next patch if requires.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chad Versace <chad.versace@intel.com>
Reviewed-by: Neil Roberts <neil@linux.intel.com>

nvc0: add missing compute parameters required by clover

This fixes crashes with some piglit OpenCL tests.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

nvc0: handle NULL pointer in nvc0_get_compute_param()

To get the size (in bytes) of a compute parameter, clover first calls
get_compute_param() with a NULL data pointer. The RET() macro is based
on nv50.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

i965/skl: PCI ID cleanup and brand strings

A few new PCI ids are added here, and one is removed (0x190B) because it no
longer seems to exist anywhere.

v2-4:
Only use ascii characters (Ilia)
0x1921 is no longer marked as f

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>

i965/skl: Add GT4 PCI IDs

Like other gen8+ hardware, the hardware automatically scales up thread counts.
We must be careful about the URB sizes since GT4 adds another slice.

One of the existing PCI IDs is actually mislabeled as GT3. Arguably this is a
real bug since the URB size will be wrong. Because this patch is simply meant to
add the missing IDs, that will be fixed in a later patch.

v2: No longer relevant.

v3: Update the wm thread count to support GT4. The WM thread count is used to
determine the maximum scratch space required. Currently the code always
allocates the maximum amount even though lower GT SKUs require less. The formula
is threads_per_psd * subslices_per_slice * slices

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>

mesa: Add spec citations for DispatchCompute*

Note: The OpenGL 4.3 - 4.5 specification language for DispatchCompute
appears to have an error regarding the max allowed values. When adding
the specification citation, we note why the code does not match the
specification language.

v2:
 * Updates based on review from Iago

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Cc: Iago Toral Quiroga <itoral@igalia.com>
Cc: Marta Lofstedt <marta.lofstedt@intel.com>
Reviewed-by: Marta Lofstedt <marta.lofstedt@intel.com>

mesa: Update DispatchComputeIndirect errors for indirect parameter

There is some discrepancy between the return values for some error
cases for the DispatchComputeIndirect call in the ARB_compute_shader
specification. Regarding the indirect parameter, in one place the
extension spec lists that the error returned for invalid values should
be INVALID_OPERATION, while later it specifies INVALID_VALUE.

The OpenGL 4.3 and OpenGLES 3.1 specifications appear to be consistent
in requiring the INVALID_VALUE error return in this case.

Here we update the code to match the main specifications, and update
the citations use the main specification rather than the extension
specification.

v2:
 * Updates based on review from Iago

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Cc: Iago Toral Quiroga <itoral@igalia.com>
Cc: Marta Lofstedt <marta.lofstedt@intel.com>
Reviewed-by: Marta Lofstedt <marta.lofstedt@intel.com>

i965/fs: Clean up FBH code.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

i965/vec4: Clean up FBH code.

It did a bunch of unnecessary stuff, emitting an extra MOV included.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

i965: Replace default case with list of enum values.

If we add a new file type, we'd like to get warnings if it's not
handled.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

i965/vec4: Don't disable channels in any/all comparisons.

We've made a mistake in calling the Channel Enable bits "writemask",
because they do more than control which channels of the destination are
written -- they actually control which channels are enabled (surprise!
surprise!)

So, if we emit

               cmp.z.f0(8) null.xy<1>D  g10<4,4,1>.xyzzD g2<0,4,1>.xyzzD
               mov(8)      g12<1>.xUD   0x00000000UD
   (+f0.all4h) mov(8)      g12<1>.xUD   0xffffffffUD

where the CMP instruction has only .xy channel enables, it won't write
the .zw channels of the flag register, which are of course read by the
+f0.all4 predicate.

We need to always emit CMP instructions whose flag result might be read
by such a predicate with all channels enabled.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>

mesa: fix uniforms calculation in glGetProgramiv

Since introduction of SSBO, UniformStorage contains not just uniforms
but also buffer variables, this needs to be taken in to account when
calculating active uniforms with GL_ACTIVE_UNIFORMS and
GL_ACTIVE_UNIFORM_MAX_LENGTH.

No Piglit regressions.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>

mesa: fix program resource queries for atomic counter buffers

gl_active_atomic_buffer contains index to UniformStorage, we need to
calculate resource index for that gl_uniform_storage.

Fixes following CTS tests:
   ES31-CTS.program_interface_query.atomic-counters
   ES31-CTS.program_interface_query.atomic-counters-one-buffer

No Piglit regressions.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Marta Lofstedt <marta.lofstedt@intel.com>

glsl: join calculate_array_size() and calculate_array_stride()

These helpers are ran for same case the same loop. Here joined
their operation so the loop is ran just once. Also fixed
out-of-memory condition here.

v2: Make the loop simpler to read as per Tapani's suggestion

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Tested-by: Tapani Pälli <tapani.palli@intel.com>

mesa: expose support for OES/EXT_draw_elements_base_vertex to OpenGL ES

This has been tested with the piglits in the mailing list and
on the Dolphin emulator.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

nouveau: set MaxDrawBuffers to the same value as MaxColorAttachments

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

nv50: use correct heaps for FP and GP code segments

This is just a cosmetic change. Trivial.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>

mesa/sso: Add compute shader support

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Marta Lofstedt <marta.lofstedt@intel.com>
[itoral@igalia.com: Reviewed-by for all except the ctx->_Shader change]
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>

mesa/sso: Add MESA_VERBOSE=api trace support

v2:
 * Use %u for unsigned values (Iago)

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>

i965: Setup pull constant state for compute programs

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>

main/get: Add MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Marta Lofstedt <marta.lofstedt@intel.com>

glsl: OpenGLES GLSL 3.1 precision qualifiers ordering rules

The OpenGLES GLSL 3.1 specification uses the precision qualifier
ordering rules from ARB_shading_language_420pack.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Marta Lofstedt <marta.lofstedt@intel.com>

glsl: Add compute shader builtin variables for OpenGLES 3.1

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Marta Lofstedt <marta.lofstedt@intel.com>

nouveau: get rid of tabs

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>

i965/sched: don't calculate live intervals for post-RA scheduling

For some reason, this causes assertions on gm965 only. In any case, it's
unnecessary since we don't need liveness information in the post-RA
scheduler.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92744
Cc: Mark Janes <mark.a.janes@intel.com>
Signed-off-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>

virgl/vtest: fix extra malloc

This somehow got added twice, drop the first one.

Reported by Coverity.

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

virgl: free sampler view on failure path

Reported by Coverity.

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

gallium/swrast: fixup build breakage and warnings

The front buffer rendering changes broke an interface, I didn't
fix up all of them.

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

gallium/swrast: fix front buffer blitting. (v2)

So I've known this was broken before, cogl has a workaround
for it from what I know, but with the gallium based swrast
drivers BlitFramebuffer from back to front or vice-versa
was pretty broken.

The legacy swrast driver tracks when a front buffer is used
and does the get/put images when it is mapped/unmapped,
so this patch attempts to add the same functionality to the
gallium drivers.

It creates a new context interface to denote when a front
buffer is being created, and passes a private pointer to it,
this pointer is then used to decide on map/unmap if the
contents should be updated from the real frontbuffer using
get/put image.

This is primarily to make gtk's gl code work, the only
thing I've tested so far is the glarea test from
https://github.com/ebassi/glarea-example.git

v2: bump extension version,
check extension version before calling get image. (Ian)

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91930

Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

glsl: set image access qualifiers for AoA

Reviewed-by: Francisco Jerez <currojerez@riseup.net>

i965: Do legacy userclipping in OpenGL ES 1.x contexts.

Commit fba4823a disabled user clipping for everything except
compatibility profile.  Core profile and OpenGL ES 2.0+ have all removed
the classic, OpenGL 1.0 user clip planes.  ES 1.x, however, still has
them.

Fixes OpenGL ES 1.1 conformance mustpass.c and userclip.c

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Tested-by: Olivier Berthier <olivierx.berthier@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92639
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92641

gbm.h: Add a missing stddef.h include for size_t.

This was causing compilation issues when one of its providers wasn’t
already included before gbm.h.

Cc: "11.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

winsys/virgl: rework line wrapping/indent

Wrap some of the 'omg it's getting out of hand' long lines, and
re-indent where things feel off.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: unwrap the includes

Include what you want, rather than relying on a header foo.h N levels
down the include chain, to provide something that you need.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

winsys/virgl: remove temporary ret variable

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

winsys/virgl: always memset prior to ioctl

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

winsys/virgl: use MALLOC to match FREE

The uppercase versions are wrappers which must be matched.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

winsys/virgl: remove calloc/malloc casts

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

winsys/virgl: throw in some inline wrappers

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: introduce virgl_query() inline wrapper

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: use virgl_screen/surface upcast wrappers

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: introduce and use virgl_transfer/texture/resource inline wrappers

The only two remaining cases of (struct virgl_resource *) require a
closer look. Either the error checking is missing or the arguments
provided feel wrong.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: add virgl_context/sampler_view/so_target() upcast wrappers

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

winsys/virgl/drm: drop unneeded forward declaration

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: remove sw_winsys pointer from virgl_screen

The screen already has a pointer to the (base) winsys object.
With the latter of which implemented/sub-classed as either drm or sw
based one, depending on the target.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: rename virgl.h to virgl_screen.h

Provide a more meaningful name considering it's purpose.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: move virgl_hw.h into the driver dir

Strictly speaking virgl_hw.h should reside in the driver folder, as
it describes the hardware. Moving it allows us to nuke the following
strange dependency

winsys/vtest > driver > winsys/drm

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: straighten the includes confusion

Use the relevant GALLIUM_foo_CFLAGS which has all the requirements
(not to mention VISIBITY_CFLAGS) and keep ../ out of the include
directives.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: remove the _FILE_OFFSET_BITS defines

The build already sets it as needed.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

winsys/virgl/drm: add all files to the tarball

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

winsys/virgl/vtest: list all files in Makefile.sources

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: move sources list to Makefile.sources

... and add the missing files while we're at it.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

virgl: fix drm.h include path

The drm/ prefix is required, if using the kernel provided headers. As
most distros don't ship them it and we already depend on libdrm (which
adds the relevant -I flag) just drop the drm/ from the include.

Once a libdrm release with the virtgpu_drm.h header is released, we can
drop our local copy of the file.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

i965: enable ARB_shader_clock on gen7+

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

i965: Implement nir_intrinsic_shader_clock

v2:
 - Add a few const qualifiers for good measure.
 - Drop unneeded retype()s (Matt)
 - Convert timestamp to SIMD8/16, as fs_visitor::get_timestamp() returns
SIMD4 (Connor)

v3:
 - Remove unneeded temporary + MOV (Connor)

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

i965/fs: move the fs_reg::smear() from get_timestamp() to the callers

We're about to reuse get_timestamp() for the nir_intrinsic_shader_clock.
In the latter the generalisation does not apply, so move the smear()
where needed. This also makes the function analogous to the vec4 one.

v2: Tweak the comment - The caller -> We (Matt, Connor).
v3: More comment tweaks (Connor)

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

nir: add shader_clock intrinsic

v2: Add flags and inline comment/description.
v3: None of the input/outputs are variables
v4: Drop clockARB reference, relate code motion barrier comment wrt
intrinsic flag.
v5: Drop the "thus we can eliminate..." comment (Connor)

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

glsl: add support for the clock2x32ARB function

v2: correctly set the return type

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

glsl: add ARB_shader_clock infrastructure

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

mesa: add infra for ARB_shader_clock

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

nv50: do not create an invalid HW query type

While we are at it, store the rotate offset for occlusion queries to
nv50_hw_query like on nvc0.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Pierre Moreau <pierre.morrow@free.fr>

nv50: move HW queries to nv50_query_hw.c/h files

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Pierre Moreau <pierre.morrow@free.fr>

nv50: move nva0_so_target_save_offset() to its correct location

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Pierre Moreau <pierre.morrow@free.fr>