nv50/ir: retrieve shadow compare from first arg

This can only happen with texture(samplerCubeShadow, bias), where the
compare will be in the first argument.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: <mesa-stable@lists.freedesktop.org>
(cherry picked from commit 30d91e0eecfe79e0d8515189a59051ee4f21f3da)
nv50/ir: ignore bias for samplerCubeShadow on nv50

Unfortunately there's no good way to do this on the nv50 shader isa.
Dropping the bias seems preferable to doing the compare post-filtering.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: <mesa-stable@lists.freedesktop.org>
(cherry picked from commit 1065aa92f4e448fbfe47c074f08dded1933a7f1f)
nvc0/ir: do quadops on the right texture coordinates for TXD

handleTEX moves the layer as the first argument. This makes sure that
the quadops deal with the texture coordinates.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: <mesa-stable@lists.freedesktop.org>
(cherry picked from commit afea9bae67208cdb00b27a60c9cb013bf7d6de52)
nvc0/ir: use manual TXD when offsets are involved

Something about how we're implementing offsets for TXD is wrong, just
flip to the generic quadop-based implementation in that case.

This is the minimal fix appropriate for backporting.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: <mesa-stable@lists.freedesktop.org>
(cherry picked from commit 114d46829d10c826927cabc1ca14884a4ee249f7)
gallium: fix u_default_transfer_inline_write for textures

This doesn't fix any known issue. In fact, radeon drivers ignore all
the discard flags for textures and implicitly do "discard range"
for any write transfer.

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
(cherry picked from commit fe6be9926f63e68d9007571956bed0687003e932)
mesa: fix geometry shader memory leaks

Spotted by Charmaine Lee.
Cc: "10.2" <mesa-stable@lists.freedesktop.org>

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
(cherry picked from commit 176b64b81104bffed114a0bdd919338e1e54ed19)
st/mesa: fix geometry shader memory leak

Spotted by Charmaine Lee.
Cc: "10.2" <mesa-stable@lists.freedesktop.org>

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
(cherry picked from commit d10204930f26d906d8a464731c687249434ec72d)
gallium/u_blitter: fix some shader memory leaks

The _msaa shaders weren't getting freed.
Cc: "10.2" <mesa-stable@lists.freedesktop.org>

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
(cherry picked from commit 378fa34c7b8ea29672deea7563c552a8e2742809)
st/mesa: fix samplerCubeShadow with bias

It has 5 coordinates: (x,y,z,depth,lodbias)

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
(cherry picked from commit a11fff329ea0b236ee5d2d7ad563af49770c04c7)
radeonsi: fix samplerCubeShadow with bias

Pack the depth value before overwriting it with cube coordinates.

Cc: mesa-stable@lists.freedesktop.org
(cherry picked from commit b279f0143f4dce67c8f5af57cd4a5942eb403c13)

Conflicts:
	src/gallium/drivers/radeonsi/si_shader.c
radeonsi: add support for TXB2

This is needed by latest fixes for samplerCubeShadow with bias.
Otherwise, a crash occurs.
i965/fs: Refactor check for potential copy propagated instructions.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
(cherry picked from commit a66660d2b75197814f5e36b9994b1e9eadff0a2e)
i965/fs: skip copy-propate for logical instructions with negated src entries

The negation source modifier on src registers has changed meaning in Broadwell when
used with logical operations. Don't copy propagate when negate src modifier is set
and when the destination instruction is a logical op.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
(cherry picked from commit 609d00e13e1e3e61ce540c42250c35977d4bcaa1)
i965/vec4: skip copy-propate for logical instructions with negated src entries

The negation source modifier on src registers has changed meaning in Broadwell when
used with logical operations. Don't copy propagate when negate src modifier is set
and when the destination instruction is a logical op.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
(cherry picked from commit c17db7537fe112841bb76b91865a30d97aae3594)
i965: Don't copy propagate abs into Broadwell logic instructions.

It's not clear what abs on logical instructions means on Broadwell, and
it doesn't appear to do anything sensible.

Fixes 270 Piglit tests (the bitand/bitor/bitxor tests with abs).

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81157
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Cc: "10.2" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit a2de6562783ea87ca5fbcb67dbd36c2f345f2054)
i965/vec4: Don't return void from a void function.

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
(cherry picked from commit 0e800dfe75d75c2c5c12bb3762aa9723854a241e)
i965/vec4: Don't fix_math_operand() on Gen >= 8.

The emit_math?_gen? functions serve to implement workarounds for the
math instruction, none of which exist on Gen8+.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
(cherry picked from commit b24e1cc6049d997e8f78283dcf6a75e99541faed)
i965/fs: Don't fix_math_operand() on Gen >= 8.

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
(cherry picked from commit 48f1143c64e46b3d11dc318d7825b6167a2b78e5)
i965/fs: Make try_constant_propagate() static.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
(cherry picked from commit aca4a951ea2bab855bcc2491a3b8996b54639ebd)
i965/fs: Constant propagate into 2-src math instructions on Gen8.

total instructions in shared programs: 1878133 -> 1876986 (-0.06%)
instructions in affected programs:     153007 -> 151860 (-0.75%)

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
(cherry picked from commit 038eb649b30dfddaf40888ea28b5e88de3af2214)