platform/upstream/mesa.git
10 years agotgsi_ureg: add property_gs_invocations
Jordan Justen [Thu, 20 Feb 2014 22:36:33 +0000 (14:36 -0800)]
tgsi_ureg: add property_gs_invocations

Fixes a build break in state_tracker/st_program.c

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75278
Reviewed-by: Dave Airlie <airlied@redhat.com>
10 years agoi965: Enable Broadwell support.
Kenneth Graunke [Tue, 31 Dec 2013 06:07:20 +0000 (22:07 -0800)]
i965: Enable Broadwell support.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965/fs: Implement FS_OPCODE_[UN]PACK_HALF_2x16_SPLIT[_XY] opcodes.
Kenneth Graunke [Wed, 29 Jan 2014 21:45:27 +0000 (13:45 -0800)]
i965/fs: Implement FS_OPCODE_[UN]PACK_HALF_2x16_SPLIT[_XY] opcodes.

I'd neglected to port these to Broadwell.  Most of this code is copy
and pasted from Gen7, but instead of using F32TO16/F16TO32, we just
use MOV with HF register types.

Fixes fs-packHalf2x16 and fs-unpackHalf2x16 tests (both the ARB
extension and ES 3.0 variants).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Drop bogus F32TO16/F16TO32 instructions on Broadwell - use MOV.
Kenneth Graunke [Wed, 29 Jan 2014 22:16:27 +0000 (14:16 -0800)]
i965: Drop bogus F32TO16/F16TO32 instructions on Broadwell - use MOV.

Broadwell removed the F32TO16 and F16TO32 instructions.  However, it has
actual support for HF values, so they're actually just MOV.

Fixes vs-packHalf2x16 and vs-unpackHalf2x16 tests (both the ARB
extension and ES 3.0 variants).

v2: Emulate F32TO16's align16 zeroing bug, since Chad's front end code
    relies on it happening.  We can probably refactor this code to be
    better later.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Create a hardware context before initializing state module.
Kenneth Graunke [Thu, 20 Feb 2014 01:20:11 +0000 (17:20 -0800)]
i965: Create a hardware context before initializing state module.

brw_init_state() calls brw_upload_initial_gpu_state().  If hardware
contexts are enabled (brw->hw_ctx != NULL), this will upload some
initial invariant state for the GPU.  Without hardware contexts, we
rely on this state being uploaded via atoms that subscribe to the
BRW_NEW_CONTEXT bit.

Commit 46d3c2bf4ddd227193b98861f1e632498fe547d8 accidentally moved
the call to brw_init_state() before creating a hardware context.
This meant brw_upload_initial_gpu_state would always early return.
Except on Gen6+, we stopped uploading the initial GPU state via
state atoms, so it never happened.

Fixes a regression since 46d3c2bf4ddd227193b98861f1e632498fe547d8.

Cc: "10.0 10.1" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965/fs: Implement scratch read/write support for Broadwell.
Kenneth Graunke [Mon, 27 Jan 2014 23:49:56 +0000 (15:49 -0800)]
i965/fs: Implement scratch read/write support for Broadwell.

To make sure that both the Gen4 and Gen7 style messages work, I
initially disabled the SHADER_OPCODE_GEN7_SCRATCH_READ optimization,
ran Piglit, re-enabled it, and ran Piglit again.  Both worked fine.

Fixes 40 Piglit tests (most of the varying-packing category).

v2: Move num_regs assertion from gen8_fs_generator to
    gen8_set_dp_scratch_message() (suggested by Eric).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Add Gen8 assembly support for DP Scratch messages.
Kenneth Graunke [Mon, 27 Jan 2014 23:44:18 +0000 (15:44 -0800)]
i965: Add Gen8 assembly support for DP Scratch messages.

The new accessors will make it easy to do Gen7-style scratch messages.

v2: Move num_regs assertion from gen8_fs_generator into
    gen8_set_dp_scratch_message() (suggested by Eric).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Store absolute thread count in max_wm_threads on Broadwell.
Kenneth Graunke [Wed, 5 Feb 2014 06:18:03 +0000 (22:18 -0800)]
i965: Store absolute thread count in max_wm_threads on Broadwell.

In the past, 3DSTATE_PS took an absolute number of threads.  Conversely,
on Broadwell you always program 64, and it implicitly scales based on
the GT-level with no special programming.  So, I stored 64 in
brw_device_info::max_wm_threads.

However, I didn't realize that we also use max_wm_threads to compute the
size of the scratch space buffer.  In that case, we really need the
absolute number of threads.

This patch hardcodes 3DSTATE_PS to use the value it expects, and changes
max_wm_threads back to a (completely fake) absolute thread count (once
again copied from Haswell).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Use MOV, not OR for setting URB write channel enables on Gen8+.
Kenneth Graunke [Thu, 30 Jan 2014 23:30:19 +0000 (15:30 -0800)]
i965: Use MOV, not OR for setting URB write channel enables on Gen8+.

On Broadwell, g0.5 contains the "Scratch Space Pointer"; using OR
puts some bits of that into "ignored" sections of our message header.

While this doesn't hurt, it's also not terribly /useful/.  Using MOV
is sufficient to set the only interesting bits in this part of the
message header.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Implement a CS stall workaround on Broadwell.
Kenneth Graunke [Sun, 26 Jan 2014 08:20:21 +0000 (00:20 -0800)]
i965: Implement a CS stall workaround on Broadwell.

According to the latest documentation, any PIPE_CONTROL with the
"Command Streamer Stall" bit set must also have another bit set,
with five different options:

   - Render Target Cache Flush
   - Depth Cache Flush
   - Stall at Pixel Scoreboard
   - Post-Sync Operation
   - Depth Stall

I chose "Stall at Pixel Scoreboard" since we've used it effectively
in the past, but the choice is fairly arbitrary.

Implementing this in the PIPE_CONTROL emit helpers ensures that the
workaround will always take effect when it ought to.

Apparently, this workaround may be necessary on older hardware as well;
for now I've only added it to Broadwell as it's absolutely necessary
there.  Subsequent patches could add it to older platforms, provided
someone tests it there.

v2: Only flag "Stall at Pixel Scoreboard" when none of the other bits
    are set (suggested by Ian Romanick).

v3: Prefix the function with "gen8" (requested by Eric).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> (v2)
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: support instanced GS on gen7
Jordan Justen [Sat, 25 Jan 2014 21:02:08 +0000 (13:02 -0800)]
i965: support instanced GS on gen7

v3:
 * Properly prevent dual object mode execution when
   the invocation count > 1

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: support gl_InvocationID for gen7
Jordan Justen [Sat, 25 Jan 2014 20:55:24 +0000 (12:55 -0800)]
i965: support gl_InvocationID for gen7

v2:
 * Make gl_InvocationID a system value

v3:
 * Properly shift from R0.1 into DST.4 by adding
   GS_OPCODE_GET_INSTANCE_ID

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoglsl: add gl_InvocationID variable for ARB_gpu_shader5
Jordan Justen [Sat, 25 Jan 2014 20:43:26 +0000 (12:43 -0800)]
glsl: add gl_InvocationID variable for ARB_gpu_shader5

v2:
 * Make gl_InvocationID a system value

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agomain/shaderapi: GL_GEOMETRY_SHADER_INVOCATIONS GetProgramiv support
Jordan Justen [Sat, 25 Jan 2014 20:37:40 +0000 (12:37 -0800)]
main/shaderapi: GL_GEOMETRY_SHADER_INVOCATIONS GetProgramiv support

v3:
 * Add check for ARB_gpu_shader5

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agomesa: initialize gl_geometry_program Invocations field
Jordan Justen [Sat, 25 Jan 2014 20:34:24 +0000 (12:34 -0800)]
mesa: initialize gl_geometry_program Invocations field

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoglsl/linker: produce gl_shader_program Geom.Invocations
Jordan Justen [Sat, 25 Jan 2014 10:17:21 +0000 (02:17 -0800)]
glsl/linker: produce gl_shader_program Geom.Invocations

Grab the parsed invocation count, check for consistency
during linking, and finally save the result in
gl_shader_program Geom.Invocations.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoglsl: parse invocations layout qualifier for ARB_gpu_shader5
Jordan Justen [Mon, 3 Feb 2014 01:55:36 +0000 (17:55 -0800)]
glsl: parse invocations layout qualifier for ARB_gpu_shader5

_mesa_glsl_parse_state in_qualifier->invocations will store the
invocations count.

v3:
 * Use in_qualifier to allow the primitive to be specied
   separately from the invocations count (merge_qualifiers)

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoglsl: Generate error for invalid input layout declarations
Jordan Justen [Tue, 4 Feb 2014 19:32:56 +0000 (11:32 -0800)]
glsl: Generate error for invalid input layout declarations

Fixes various piglit tests:
spec/glsl-1.50/compiler/incorrect-in-layout-qualifier-*.geom

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoglsl: convert GS input primitive to use ast_type_qualifier
Jordan Justen [Mon, 3 Feb 2014 01:49:15 +0000 (17:49 -0800)]
glsl: convert GS input primitive to use ast_type_qualifier

We introduce a new merge_in_qualifier ast_type_qualifier
which allows specialized handling of merging input layout
qualifiers.

By merging layout qualifiers into state->in_qualifier, we
allow multiple input qualifiers. For example, the primitive
type can be specified specified separately from the
invocations count (ARB_gpu_shader5).

state->gs_input_prim_type is moved into state->in_qualifier->prim_type

state->gs_input_prim_type_specified is still processed separately
so we can determine when the input primitive is specified. This
is important since certain scenerios are not supported until after
the primitive type has been specified in the shader code.

v4:
 * Merge with compute shader input layout qualifiers

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Fix extra return value after winsys rb update refactor.
Eric Anholt [Thu, 20 Feb 2014 17:51:23 +0000 (09:51 -0800)]
i965: Fix extra return value after winsys rb update refactor.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75172
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agoi965/vs: Use samplers for UBOs in the VS like we do for non-UBO pulls.
Eric Anholt [Sat, 15 Feb 2014 00:06:31 +0000 (16:06 -0800)]
i965/vs: Use samplers for UBOs in the VS like we do for non-UBO pulls.

Improves performance of a dolphin emulator trace I had laying around by
3.60131% +/- 0.995887% (n=128).

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agoi965/fs: Add an optimization pass to remove redundant flags movs.
Eric Anholt [Fri, 14 Feb 2014 23:29:01 +0000 (15:29 -0800)]
i965/fs: Add an optimization pass to remove redundant flags movs.

We generate steaming piles of these for the centroid workaround, and this
quickly cleans them up.

total instructions in shared programs: 1591228 -> 1590047 (-0.07%)
instructions in affected programs:     26111 -> 24930 (-4.52%)
GAINED:                                0
LOST:                                  0

(Improved apps are l4d2, csgo, and dolphin)

Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agogallivm: add smallfloat to float conversion not relying on cpu denorm handling
Roland Scheidegger [Thu, 20 Feb 2014 02:09:17 +0000 (03:09 +0100)]
gallivm: add smallfloat to float conversion not relying on cpu denorm handling

The previous code relied on cpu denorm support for converting small float
formats (such r11g11b10_float and r16_float) to floats, otherwise denorms
are flushed to zero. We worked around that in llvmpipe blend code by
reenabling denorms, but this did nothing for texture sampling. Now it would
be possible to reenable it there too but I'm not really a fan of messing
with fpu flags (and it seems we can't actually do it reliably with llvm in
any case looking at some bug reports). (Not to mention if you actually have
a lot of denorms in there, you can expect some order-of-magnitude slowdown
with x86 cpus.)
So instead use code which adjusts exponents etc. directly hence not relying
on cpu denorm support for the rescaling mul.
(We still need the fpu flag handling as we can't do float-to-smallfloat
without using cpu denorms at least for now - I actually wanted to keep
both the old and new code and using one or the other depending on from where
it's called but that didn't work out as the parameter would have to be passed
through too many layers than I'd like.)

Reviewed-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Si Chen <sichen@vmware.com>
10 years agost/omx/enc: add multi scaling buffers for performance improvement
Leo Liu [Wed, 19 Feb 2014 17:17:51 +0000 (12:17 -0500)]
st/omx/enc: add multi scaling buffers for performance improvement

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
10 years agost/omx/dec/h264: fix prevFrameNumOffset handling
Christian König [Wed, 19 Feb 2014 17:49:17 +0000 (18:49 +0100)]
st/omx/dec/h264: fix prevFrameNumOffset handling

Signed-off-by: Christian König <christian.koenig@amd.com>
10 years agoi965: Actually claim to support MSAA on Broadwell.
Kenneth Graunke [Mon, 10 Feb 2014 19:42:47 +0000 (11:42 -0800)]
i965: Actually claim to support MSAA on Broadwell.

We need to advertise 8x, 4x, and 2x multisamples.  Previously, we only
claimed to support 0/1 samples.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Update physical width/height munging for 2x IMS MSAA.
Kenneth Graunke [Tue, 11 Feb 2014 00:48:14 +0000 (16:48 -0800)]
i965: Update physical width/height munging for 2x IMS MSAA.

I can't find any documentation to explain what ought to be done here, so
I simply guessed based on the pattern I observed in the 4x/8x cases.
It appears to work, but it could be totally wrong.

I was able to find the Sandybridge PRM quote from the comments in the
latest documentation: Shared Functions > 3D Sampler > Multisampled
Surface Behavior.  However, it only mentions 4x MSAA - not even 8x.

After a substantial amount more digging, I was able to find a second
page (incorrectly tagged) which confirmed the formulas in our code for
8x MSAA.  However, that page didn't mention 2x MSAA at all.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Enable smooth points when multisampling without point sprites.
Kenneth Graunke [Tue, 11 Feb 2014 03:37:08 +0000 (19:37 -0800)]
i965: Enable smooth points when multisampling without point sprites.

According to the "Point Multisample Rasterization" of the OpenGL
specification (3.0 or later), smooth points are supposed to be enabled
implicitly when multisampling, regardless of the GL_POINT_SMOOTH flag.

However, if GL_POINT_SPRITE is enabled, you get square points no matter
what.  Core contexts always enable point sprites, so this effectively
makes smooth points go away, even in the case of multisampling.

Fixes Piglit's EXT_framebuffer_multisample/point-smooth tests.
(Yes, that's right folks, we actually have Piglit tests for this.)

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Thwack multisample enable bit in 3DSTATE_RASTER.
Kenneth Graunke [Tue, 11 Feb 2014 02:17:10 +0000 (18:17 -0800)]
i965: Thwack multisample enable bit in 3DSTATE_RASTER.

The meaning and effects of this bit are surprisingly complicated.

See Rasterization > Windower > Multisampling > Multisample ModesState.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Only use the SIMD16 program for per-sample shading on Broadwell.
Kenneth Graunke [Tue, 11 Feb 2014 01:40:24 +0000 (17:40 -0800)]
i965: Only use the SIMD16 program for per-sample shading on Broadwell.

This restriction carries forward from earlier platforms.  The code is
ported straight from gen7_wm_state.c.

v2: Actually do it right.
v3: Add missing _NEW_MULTISAMPLE bit (caught by Eric).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Set "Position XY Offset Select" bits in 3DSTATE_PS on Broadwell.
Kenneth Graunke [Tue, 11 Feb 2014 01:31:00 +0000 (17:31 -0800)]
i965: Set "Position XY Offset Select" bits in 3DSTATE_PS on Broadwell.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Add missing sample shading bits to Gen8's 3DSTATE_PS_EXTRA.
Kenneth Graunke [Tue, 21 Jan 2014 07:06:30 +0000 (23:06 -0800)]
i965: Add missing sample shading bits to Gen8's 3DSTATE_PS_EXTRA.

v2: Also set the "oMask Present to Render Target" bit, which is required
    for shaders that write oMask.  Otherwise the hardware won't expect
    the extra data.

v3: Add missing _NEW_MULTISAMPLE (caught by Eric).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965/fs: Implement FS_OPCODE_SET_OMASK on Broadwell.
Kenneth Graunke [Mon, 10 Feb 2014 23:46:56 +0000 (15:46 -0800)]
i965/fs: Implement FS_OPCODE_SET_OMASK on Broadwell.

I made a few changes which I think simplify the code a bit compared to
the Gen7 implementation, but which are largely pointless.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965/fs: Implement FS_OPCODE_SET_SAMPLE_ID on Broadwell.
Kenneth Graunke [Mon, 10 Feb 2014 23:09:22 +0000 (15:09 -0800)]
i965/fs: Implement FS_OPCODE_SET_SAMPLE_ID on Broadwell.

Largely cut and paste from Gen7; it works the same way.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Disable MCS on Broadwell for now.
Kenneth Graunke [Mon, 10 Feb 2014 20:02:14 +0000 (12:02 -0800)]
i965: Disable MCS on Broadwell for now.

v2: Add a perf_debug() message to remind us to come back to this.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Use gen7_surface_msaa_bits in Broadwell SURFACE_STATE code.
Kenneth Graunke [Mon, 10 Feb 2014 19:18:41 +0000 (11:18 -0800)]
i965: Use gen7_surface_msaa_bits in Broadwell SURFACE_STATE code.

We already set the number of samples, but were missing the MSAA layout
mode.  Reusing gen7_surface_msaa_bits makes it easy to set both.

This also lets us drop the Gen8 surface_num_multisamples function.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Use ffs() for sample counting in gen7_surface_msaa_bits().
Kenneth Graunke [Mon, 10 Feb 2014 19:06:03 +0000 (11:06 -0800)]
i965: Use ffs() for sample counting in gen7_surface_msaa_bits().

The enumerations are just log2(num_samples) shifted by 3, which we can
easily compute via ffs().

This also makes it reusable for Broadwell, which has 2x MSAA.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoi965: Simplify Broadwell's 3DSTATE_MULTISAMPLE sample count handling.
Kenneth Graunke [Mon, 10 Feb 2014 00:14:27 +0000 (16:14 -0800)]
i965: Simplify Broadwell's 3DSTATE_MULTISAMPLE sample count handling.

These enumerations are simply log2 of the number of multisamples shifted
by a bit, so we can calculate them using ffs() in a lot less code.

Suggested by Eric Anholt.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoglsl: Silence "type qualifiers ignored on function return type" warning
Ian Romanick [Tue, 18 Feb 2014 17:38:04 +0000 (09:38 -0800)]
glsl: Silence "type qualifiers ignored on function return type" warning

The const in

   const unsigned foo(void);

is meaningless.  Removing it silences this warning:

src/glsl/ast_to_hir.cpp:1802:56: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
10 years agoglsl: Only warn for macro names containing __
Ian Romanick [Tue, 18 Feb 2014 17:36:08 +0000 (09:36 -0800)]
glsl: Only warn for macro names containing __

From page 14 (page 20 of the PDF) of the GLSL 1.10 spec:

    "In addition, all identifiers containing two consecutive underscores
     (__) are reserved as possible future keywords."

The intention is that names containing __ are reserved for internal use
by the implementation, and names prefixed with GL_ are reserved for use
by Khronos.  Names simply containing __ are dangerous to use, but should
be allowed.

Per the Khronos bug mentioned below, a future version of the GLSL
specification will clarify this.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Cc: "9.2 10.0 10.1" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Tested-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Tested-by: Darius Spitznagel <d.spitznagel@goodbytez.de>
Cc: Tapani Pälli <lemody@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71870
Bugzilla: Khronos #11702

10 years agoglcpp: Only warn for macro names containing __
Ian Romanick [Tue, 18 Feb 2014 17:10:36 +0000 (09:10 -0800)]
glcpp: Only warn for macro names containing __

Section 3.3 (Preprocessor) of the GLSL 1.30 spec (and later) and the
GLSL ES spec (all versions) say:

    "All macro names containing two consecutive underscores ( __ ) are
    reserved for future use as predefined macro names. All macro names
    prefixed with "GL_" ("GL" followed by a single underscore) are also
    reserved."

The intention is that names containing __ are reserved for internal use
by the implementation, and names prefixed with GL_ are reserved for use
by Khronos.  Since every extension adds a name prefixed with GL_ (i.e.,
the name of the extension), that should be an error.  Names simply
containing __ are dangerous to use, but should be allowed.  In similar
cases, the C++ preprocessor specification says, "no diagnostic is
required."

Per the Khronos bug mentioned below, a future version of the GLSL
specification will clarify this.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Cc: "9.2 10.0 10.1" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Tested-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Tested-by: Darius Spitznagel <d.spitznagel@goodbytez.de>
Cc: Tapani Pälli <lemody@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71870
Bugzilla: Khronos #11702

10 years agoconfigure: Use LLVM shared libraries by default
Tom Stellard [Tue, 4 Feb 2014 16:54:38 +0000 (11:54 -0500)]
configure: Use LLVM shared libraries by default

Linking with LLVM static libraries is easily broken by changes to
the llvm-config program or when LLVM adds, removes, or changes library
components.  Keeping up with these changes requires a lot of maintanence
effort to keep the build working on the master and stable branches.

Also, because of issues in the past LLVM static libraries, the release
manager is currently configuring with --with-llvm-shared-libs when
checking the build before release.  Enabling shared libraries by
default would allow the release manager to run ./configure with
no arguments, and be reasonably confident that the build would succeed.

Acked-by: Emil Velikov <emil.l.velikov@gmail.com>
10 years agoi965/fs: Allocate the param_size array dynamically.
Francisco Jerez [Wed, 19 Feb 2014 14:36:48 +0000 (15:36 +0100)]
i965/fs: Allocate the param_size array dynamically.

Useful because the total number of uniform components might exceed
MAX_UNIFORMS * 4 in some cases because of the image metadata we'll be
passing as push constants.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965/fs: Use a separate variable to keep track of the last uniform index seen.
Francisco Jerez [Wed, 19 Feb 2014 14:27:01 +0000 (15:27 +0100)]
i965/fs: Use a separate variable to keep track of the last uniform index seen.

Like the VEC4 back-end does.  It will make dynamic allocation of the
param_size array easier in a future commit.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agofreedreno: tweak ringbuffer sizes/count
Rob Clark [Wed, 19 Feb 2014 17:02:57 +0000 (12:02 -0500)]
freedreno: tweak ringbuffer sizes/count

Since we are now consuming two ringbuffers at a time, we probably want a
pool larger than 4.. but we don't need each individual ringbuffer to be
so large, so offset the pool size increase by reducing rb size.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
10 years agofreedreno/a3xx/compiler: scheduling/legalize fixes
Rob Clark [Wed, 19 Feb 2014 16:55:25 +0000 (11:55 -0500)]
freedreno/a3xx/compiler: scheduling/legalize fixes

It seems the write-after-read hazard that applies to texture fetch
instructions, also applies to sfu instructions.

Also, cat5/cat6 instructions do not have a (ss) bit, so in these
cases we need to insert a dummy nop instruction with (ss) bit set.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
10 years agoi965: Have brw_imm_vf4() take the vector components as integer values.
Francisco Jerez [Fri, 22 Nov 2013 23:59:56 +0000 (15:59 -0800)]
i965: Have brw_imm_vf4() take the vector components as integer values.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965: Add helper function to find out the signedness of a register type.
Francisco Jerez [Sat, 23 Nov 2013 20:08:00 +0000 (12:08 -0800)]
i965: Add helper function to find out the signedness of a register type.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965/vec4: Use swizzle() in the ARB_vertex_program code.
Francisco Jerez [Fri, 29 Nov 2013 02:13:18 +0000 (18:13 -0800)]
i965/vec4: Use swizzle() in the ARB_vertex_program code.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965/fs: Use offset() in the ARB_fragment_program code.
Francisco Jerez [Fri, 29 Nov 2013 02:04:10 +0000 (18:04 -0800)]
i965/fs: Use offset() in the ARB_fragment_program code.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965/fs: Remove fs_reg::retype.
Francisco Jerez [Sun, 8 Dec 2013 03:59:11 +0000 (04:59 +0100)]
i965/fs: Remove fs_reg::retype.

There doesn't seem to be any reason for it to be a method, and it's
surprising that the expression 'reg.retype(t)' doesn't retype its
object but rather it creates a temporary with the new type.  Use
'retype(reg, t)' instead.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965/vec4: Trivial improvements to the with_writemask() function.
Francisco Jerez [Thu, 28 Nov 2013 23:07:06 +0000 (15:07 -0800)]
i965/vec4: Trivial improvements to the with_writemask() function.

Add assertion that the register is not in the HW_REG or IMM file,
calculate the conjunction of the old and new mask instead of replacing
the old [consistent with the behavior of brw_writemask(), causes no
functional changes right now], make it static inline to let the
compiler do a slightly better job at optimizing things, and shorten
its name.

v2: Assert that the new writemask is not zero to avoid undefined
    hardware behaviour.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965: Make sure that backend_reg::type and brw_reg::type are consistent for fixed...
Francisco Jerez [Wed, 19 Feb 2014 14:21:07 +0000 (15:21 +0100)]
i965: Make sure that backend_reg::type and brw_reg::type are consistent for fixed regs.

And define non-mutating helper functions to retype fixed and normal
regs with a common interface.  At some point we may want to get rid of
::fixed_hw_reg completely and have fixed regs use the normal register
data members (e.g. backend_reg::reg to select a fixed GRF number,
src_reg::swizzle to store the swizzle, etc.), I have the feeling that
this is not the last headache we're going to get because of the
multiple ways to represent the same thing and the different register
interface depending on the file a register is stored in...

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965/vec4: Add non-mutating helper functions to modify src_reg::swizzle and ::negate.
Francisco Jerez [Wed, 19 Feb 2014 14:20:27 +0000 (15:20 +0100)]
i965/vec4: Add non-mutating helper functions to modify src_reg::swizzle and ::negate.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965: Add non-mutating helper functions to modify the register offset.
Francisco Jerez [Wed, 19 Feb 2014 14:19:10 +0000 (15:19 +0100)]
i965: Add non-mutating helper functions to modify the register offset.

Yes, we could avoid having four copies of essentially the same code by
using templates here.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965/vec4: Fix off-by-one register class overallocation.
Francisco Jerez [Sat, 23 Nov 2013 03:21:13 +0000 (19:21 -0800)]
i965/vec4: Fix off-by-one register class overallocation.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965: Unify fs_generator:: and vec4_generator::mark_surface_used as a free function.
Francisco Jerez [Wed, 27 Nov 2013 03:56:07 +0000 (19:56 -0800)]
i965: Unify fs_generator:: and vec4_generator::mark_surface_used as a free function.

This way it can be used anywhere.  I need it from the visitor.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965: Move up duplicated fields from stage-specific prog_data to brw_stage_prog_data.
Francisco Jerez [Wed, 19 Feb 2014 14:14:02 +0000 (15:14 +0100)]
i965: Move up duplicated fields from stage-specific prog_data to brw_stage_prog_data.

There doesn't seem to be any reason for nr_params, nr_pull_params,
param, and pull_param to be duplicated in the stage-specific
subclasses of brw_stage_prog_data.  Moving their definition to the
common base class will allow some code sharing in a future commit, the
removal of brw_vec4_prog_data_compare and brw_*_prog_data_free, and
the simplification of the stage-specific brw_*_prog_data_compare.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965/vec4: Add constructor of src_reg from a fixed hardware reg.
Francisco Jerez [Sat, 23 Nov 2013 04:22:03 +0000 (20:22 -0800)]
i965/vec4: Add constructor of src_reg from a fixed hardware reg.

Reviewed-by: Paul Berry <stereotype441@gmail.com>
10 years agoi965: Enable fast depth clears.
Kenneth Graunke [Fri, 7 Feb 2014 22:02:36 +0000 (14:02 -0800)]
i965: Enable fast depth clears.

They work fine now, too.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Enable HiZ on Broadwell.
Kenneth Graunke [Fri, 7 Feb 2014 01:13:24 +0000 (17:13 -0800)]
i965: Enable HiZ on Broadwell.

It appears to work fine.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Implement HiZ resolves on Broadwell.
Kenneth Graunke [Fri, 7 Feb 2014 01:06:12 +0000 (17:06 -0800)]
i965: Implement HiZ resolves on Broadwell.

Broadwell's 3DSTATE_WM_HZ_OP packet makes this much easier.

Instead of programming the whole pipeline, we simply have to emit the
depth/stencil packets, a state override, and a pipe control.  Then
arrange for the state to be put back.  This is easily done from a single
function.

v2: Use minify(mt->logical_{width,height}0, level) in 3DSTATE_WM_HZ_OP
    instead of intel_mipmap_level's width/height fields.  Those were
    based on the physical width/height, and thus wrong for MSAA buffers.
    Eric also deleted those fields.

v3: Use 0xFFFF as the sample mask regardless of what the user set (as
    this operation is unrelated); set the drawing rectangle to the
    miplevel being operated on, rather than the whole surface; remove
    unnecessary MAX2(..., 1) around mt->logical_depth0 (all suggested
    by Eric Anholt).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Refactor Gen8 depth packet emission.
Kenneth Graunke [Fri, 7 Feb 2014 01:02:37 +0000 (17:02 -0800)]
i965: Refactor Gen8 depth packet emission.

The existing code followed the vtable function signature, which is not a
great fit: many of the parameters are unused, and the function still
inspects global state, making it less reusable.

This patch refactors the depth buffer packet emission code into a new
function which takes exactly the parameters it needs, and which uses no
global state.  It then makes the existing vtable function call the new
one.

Ideally, we would remove the vtable function, and clean up that
interface.  But that can happen once HiZ is working.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Add #defines for the 3DSTATE_WM_HZ_OP packet's contents.
Kenneth Graunke [Fri, 7 Feb 2014 00:49:31 +0000 (16:49 -0800)]
i965: Add #defines for the 3DSTATE_WM_HZ_OP packet's contents.

We're going to need these to implement HiZ.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Bump generation check in code to disable HiZ at LODs > 0.
Kenneth Graunke [Thu, 6 Feb 2014 15:32:49 +0000 (07:32 -0800)]
i965: Bump generation check in code to disable HiZ at LODs > 0.

Broadwell's "HiZ Resolve" operation still has the restriction that the
rectangle primitive must be 8x4 aligned.  So I believe we still need
this.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Program 3DSTATE_HIER_DEPTH_BUFFER properly on Broadwell.
Kenneth Graunke [Thu, 6 Feb 2014 15:21:41 +0000 (07:21 -0800)]
i965: Program 3DSTATE_HIER_DEPTH_BUFFER properly on Broadwell.

HiZ buffers still don't exist, but when they do, we'll set them up.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoi965: Pull format conversion logic out of brw_depthbuffer_format.
Kenneth Graunke [Sat, 8 Feb 2014 06:22:45 +0000 (22:22 -0800)]
i965: Pull format conversion logic out of brw_depthbuffer_format.

brw_depthbuffer_format is not very reusable at the moment, since it
uses global state (ctx->DrawBuffer) to access a particular depth buffer.

For HiZ on Broadwell, I need a function which simply converts the
formats.  However, at least one existing user of brw_depthbuffer_format
really wants the existing interface.  So, I've created a new function.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
10 years agoegl: clarify what _eglInitResource does
Chia-I Wu [Wed, 19 Feb 2014 05:04:04 +0000 (13:04 +0800)]
egl: clarify what _eglInitResource does

It is a helper called from the initializers of its subclasses.

10 years agoRevert "egl: Unhide functionality in _eglInitContext()"
Chia-I Wu [Wed, 19 Feb 2014 04:57:15 +0000 (12:57 +0800)]
Revert "egl: Unhide functionality in _eglInitContext()"

This reverts commit 1456ed85f0ed8b9c9f0abd6bd389a089fa3824b2.
_eglInitResource can and is supposed to be called on subclass objects.

Acked-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
10 years agoRevert "egl: Unhide functionality in _eglInitSurface()"
Chia-I Wu [Wed, 19 Feb 2014 04:57:11 +0000 (12:57 +0800)]
Revert "egl: Unhide functionality in _eglInitSurface()"

This reverts commit 498d10e230663f8604d00608cae6324f779c9cdd.
_eglInitResource can and is supposed to be called on subclass objects.

Acked-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
10 years agoi965: Bump MaxTexMbytes from 1GB to 1.5GB.
Kenneth Graunke [Sun, 2 Feb 2014 11:03:39 +0000 (03:03 -0800)]
i965: Bump MaxTexMbytes from 1GB to 1.5GB.

Even with the other limits raised, TestProxyTexImage would still reject
textures > 1GB in size.  This is an artificial limit; nothing prevents
us from having a larger texture.  I stayed shy of 2GB to avoid the
larger-than-aperture situation.

For 3D textures, this raises the effective limit:
 - RGBA8:   645 -> 738
 - RGBA16:  512 -> 586
 - RGBA32F: 406 -> 465

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74130
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
10 years agoi965: Bump GL_MAX_CUBE_MAP_TEXTURE_SIZE to 8192.
Kenneth Graunke [Sun, 2 Feb 2014 10:58:42 +0000 (02:58 -0800)]
i965: Bump GL_MAX_CUBE_MAP_TEXTURE_SIZE to 8192.

Gen4+ supports 8192x8192 cube maps.  Ivybridge and later can actually
support 16384, but that would place GL_MAX_CUBE_MAP_TEXTURE_SIZE above
GL_MAX_TEXTURE_SIZE, which seems like a bad idea.

(Unfortunately, we can't bump GL_MAX_TEXTURE_SIZE to 16384 without
causing regressions due to awful W-tiled stencil buffer interactions.)

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74130
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
10 years agoi965: Bump MAX_3D_TEXTURE_SIZE to 2048.
Kenneth Graunke [Sun, 2 Feb 2014 10:51:45 +0000 (02:51 -0800)]
i965: Bump MAX_3D_TEXTURE_SIZE to 2048.

It's highly unlikely that there will be enough memory in the system to
allocate enough space for this, but we should still expose the hardware
limit.  It's what the Intel Windows driver does, and it seems most other
vendors do likewise.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74130
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
10 years agodocs: Trivial updates to MESA_query_renderer.spec
Ian Romanick [Tue, 18 Feb 2014 23:24:21 +0000 (15:24 -0800)]
docs: Trivial updates to MESA_query_renderer.spec

Fix the version and the status before sending to Khronos for listing in
the registry.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
10 years agoPrevent zero sized wl_egl_window
Sinclair Yeh [Thu, 13 Feb 2014 00:21:11 +0000 (16:21 -0800)]
Prevent zero sized wl_egl_window

It is illegal to create or resize a window to zero (or negative) width
and/or height.  This patch prevents such a request from happening.

10 years agoglsl: Fix condition to generate shader link error
Anuj Phogat [Thu, 19 Dec 2013 22:17:19 +0000 (14:17 -0800)]
glsl: Fix condition to generate shader link error

GL_ARB_ES2_compatibility doesn't say anything about shader linking
when one of the shaders (vertex or fragment shader) is absent. So,
the extension shouldn't change the behavior specified in GLSL
specification.

Tested the behavior on proprietary linux drivers of NVIDIA and AMD.
Both of them allow linking a version 100 shader program in OpenGL
context, when one of the shaders is absent.

Makes following Khronos CTS tests to pass:
successfulcompilevert_linkprogram.test
successfulcompilefrag_linkprogram.test

Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
10 years agomesa: Add GL_TEXTURE_CUBE_MAP_ARRAY to legal_get_tex_level_parameter_target()
Anuj Phogat [Sat, 15 Feb 2014 01:27:29 +0000 (17:27 -0800)]
mesa: Add GL_TEXTURE_CUBE_MAP_ARRAY to legal_get_tex_level_parameter_target()

Fixes failing Khronos CTS test packed_depth_stencil_init.test

Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
10 years agoi965/fs: Use conditional sends to do FB writes on HSW+.
Eric Anholt [Fri, 14 Feb 2014 05:37:50 +0000 (21:37 -0800)]
i965/fs: Use conditional sends to do FB writes on HSW+.

This drops the MOVs for header setup, which are totally mis-scheduled.

total instructions in shared programs: 1590047 -> 1589331 (-0.05%)
instructions in affected programs:     43729 -> 43013 (-1.64%)
GAINED:                                0
LOST:                                  0

glb27-trex:
x before
+ after
+-----------------------------------------------------------------------------+
|               +      x     xx        +  +    +                              |
|              ++  + xxx ++x xx + ** *x+  +  + +  x *                         |
|+x xx x*    x+++xx*x*xx+++*+*xx++** *x* x+***x*+xx+*     + *    +  +        *|
|               |__|__________MA___A___________|___|                          |
+-----------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  49         62.33         65.41         63.49      63.53449    0.62757822
+  50         62.28          65.4          63.7       63.6982      0.656564
No difference proven at 95.0% confidence

Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoi965/fs: Drop dead comment about the old proj_attrib_mask optimization.
Eric Anholt [Fri, 14 Feb 2014 23:41:40 +0000 (15:41 -0800)]
i965/fs: Drop dead comment about the old proj_attrib_mask optimization.

The code was removed early last year.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agoi965: Drop mt->levels[].width/height.
Eric Anholt [Fri, 14 Feb 2014 21:00:40 +0000 (13:00 -0800)]
i965: Drop mt->levels[].width/height.

It often confused people because it was unclear on whether it was the
physical or logical, and people needed the other one as well.  We can
recompute it trivially using the minify() macro, clarifying which value is
being used and making getting the other value obvious.

v2: Fix a pasteo in intel_blit.c's dst flip.

Reviewed-by: Chris Forbes <chrisf@ijw.co.nz> (v1)
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agoi965: Move singlesample_mt to the renderbuffer.
Eric Anholt [Thu, 13 Feb 2014 18:45:35 +0000 (10:45 -0800)]
i965: Move singlesample_mt to the renderbuffer.

Since only window system renderbuffers can have a singlesample_mt, this
lets us drop a bunch of sanity checking to make sure that we're just a
renderbuffer-like thing.

v2: Fix a badly-written comment (thanks Kenneth!), drop the now trivial
    helper function for set_needs_downsample.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agoi965: Drop some duplicated code in DRI winsys BO updates.
Eric Anholt [Thu, 13 Feb 2014 22:33:57 +0000 (14:33 -0800)]
i965: Drop some duplicated code in DRI winsys BO updates.

The only DRI2 vs DRI3 delta was just how to decide about frontbuffer-ness
for doing the upsample.

v2: Fix missing singlesample_mt->region->name update in the merged code,
    which would have broken the DRI2 don't-recreate-the-miptree
    optimization.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agoi965: Simplify intel_miptree_updownsample.
Eric Anholt [Thu, 13 Feb 2014 18:52:47 +0000 (10:52 -0800)]
i965: Simplify intel_miptree_updownsample.

Pretty silly to pass in values dereferenced out of one of the arguments.

v2: Get the destination size from the dst, even though the callers are
    always dealing with src size == dst size cases.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agoi965: Don't try to use the ctx->ReadBuffer when asked to blorp miptrees.
Eric Anholt [Thu, 13 Feb 2014 23:58:21 +0000 (15:58 -0800)]
i965: Don't try to use the ctx->ReadBuffer when asked to blorp miptrees.

So far it's happened to be that we're only ever calling
intel_miptree_blit() (up/downsampling) from the ReadBuffer, but I stumbled
over a null ReadBuffer case when debugging later parts of the series.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agoi965: Make the mt->target of multisample renderbuffers be 2D_MS.
Eric Anholt [Fri, 7 Feb 2014 22:20:34 +0000 (14:20 -0800)]
i965: Make the mt->target of multisample renderbuffers be 2D_MS.

Mostly mt->target == 2D_MS just results in a few checks that we don't try
to allocate multiple LODs and don't try to do slice copies with them.  But
with the introduction of binding renderbuffers to textures, we need more
consistency.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agometa: Push into desktop GL mode when doing meta operations.
Eric Anholt [Tue, 11 Feb 2014 20:10:59 +0000 (12:10 -0800)]
meta: Push into desktop GL mode when doing meta operations.

This lets us simplify our shaders, and rely on GLES-prohibited
functionality (like ARB_texture_multisample) when writing these
driver-internal functions.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agometa: Fix blit shader compile on non-glsl-130 drivers.
Eric Anholt [Fri, 14 Feb 2014 22:31:17 +0000 (14:31 -0800)]
meta: Fix blit shader compile on non-glsl-130 drivers.

Compare this VS to the one for the post-130 case.  Fixes piglit
glsl-lod-bias, and presumably tons of other code (I haven't done a full
piglit run on swrast).

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74911
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
10 years agoconfigure: fix build error with XA
Rob Clark [Tue, 18 Feb 2014 13:12:37 +0000 (08:12 -0500)]
configure: fix build error with XA

Fixes:

xa_tracker.c: In function 'xa_tracker_create':
 xa_tracker.c:147:5: error: implicit declaration of function 'pipe_loader_drm_probe_fd' [-Werror=implicit-function-declaration]

in some build configurations, as XA now implicitly depends on
gallium_drm_loader.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
10 years agor600g,radeonsi: Consolidate logic for short-circuiting flushes
Michel Dänzer [Thu, 13 Feb 2014 02:51:09 +0000 (11:51 +0900)]
r600g,radeonsi: Consolidate logic for short-circuiting flushes

Fixes radeonsi emitting command streams to the kernel even when there
have been no draw calls before a flush, potentially powering up the GPU
needlessly.

Incidentally, this also cuts the runtime of piglit gpu.py in about half
on my Kaveri system, probably because an X11 client going away no longer
always results in a command stream being submitted to the kernel via
glamor.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=65761
Cc: "10.1" mesa-stable@lists.freedesktop.org
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
10 years agost/dri: remove #ifdef DRM_CAP_PRIME guard
Emil Velikov [Thu, 13 Feb 2014 00:44:32 +0000 (00:44 +0000)]
st/dri: remove #ifdef DRM_CAP_PRIME guard

Required for libdrm 2.4.37 and earlier. Both scons and automake
require version 2.4.38 now so that guard is not longer needed.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoautomake: remove leftover XORG and LIBKMS variables
Emil Velikov [Tue, 18 Feb 2014 00:08:03 +0000 (00:08 +0000)]
automake: remove leftover XORG and LIBKMS variables

No longer set or used since the removal of st/xorg.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoscons: sync package requirements
Emil Velikov [Thu, 13 Feb 2014 00:28:27 +0000 (00:28 +0000)]
scons: sync package requirements

xorg-server and libkms is no longer required since the removal
of the xorg state-tracker.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoconfigure: bump up libdrm requirement to 2.4.38
Emil Velikov [Thu, 13 Feb 2014 00:23:16 +0000 (00:23 +0000)]
configure: bump up libdrm requirement to 2.4.38

This is the first version that introduced DRM_CAP_PRIME, which is
implicitly required by egl/wayland.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoconfigure: use test -n whenever possible
Emil Velikov [Tue, 4 Feb 2014 17:32:03 +0000 (17:32 +0000)]
configure: use test -n whenever possible

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoconfigure: use test -z whenever possible
Emil Velikov [Tue, 11 Feb 2014 14:47:37 +0000 (14:47 +0000)]
configure: use test -z whenever possible

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoconfigure: cleanup classic dri drivers handling
Emil Velikov [Tue, 4 Feb 2014 17:26:38 +0000 (17:26 +0000)]
configure: cleanup classic dri drivers handling

* Make sure that only drivers that are handled by configure.ac
are included in DRI_DIRS.
* Change with_dri_drivers default value to auto, and set enable
autodetection, when enable_opengl is on.

v2: Move "test" to the correct location.
v3: Squash DRI_DIRS handling before the switch statement.
Suggested by Ilia Mirkin

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoconfigure: compact ppc/sparc DRI_DIRS handling
Emil Velikov [Mon, 3 Feb 2014 21:05:19 +0000 (21:05 +0000)]
configure: compact ppc/sparc DRI_DIRS handling

Both arches have the same list of dri_dirs.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoconfigure: drop explicit DRI_DIRS assignment on some platforms/arches
Emil Velikov [Mon, 3 Feb 2014 20:54:08 +0000 (20:54 +0000)]
configure: drop explicit DRI_DIRS assignment on some platforms/arches

Both x86_64|amd64 and *bsd, already set the full range of available
classic dri drivers. Drop the explicit assignment, and fall back to
the generic default.
Keep explicit list from plafroms/arches that do not handle the default
list.

Update help strings, to explicitly mention "classic" for applicable
DRI drivers.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agoconfigure: cleanup switch statement
Emil Velikov [Mon, 3 Feb 2014 20:38:10 +0000 (20:38 +0000)]
configure: cleanup switch statement

Move all the cases within one switch statement and handle
i9{1,6}5 and r{adeon,200} independently.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
10 years agotargets/vdpau: Don't link unused libraries
Kusanagi Kouichi [Mon, 17 Feb 2014 08:29:14 +0000 (17:29 +0900)]
targets/vdpau: Don't link unused libraries

libvdpau, libselinux and libexpat are not used.

Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp>