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Author SHA1 Message Date
Ilia Mirkin
82f7fad966 st/mesa: add barrier support 2015-07-23 00:59:30 +02:00
Ilia Mirkin
8f40428afb st/mesa: disable copy propagation for tessellation shaders 
This can't work due to shared inputs and outputs and barriers.
 2015-07-23 00:59:30 +02:00
Ilia Mirkin
f4c13fad65 st/mesa: set vertices_per_patch when drawing 2015-07-23 00:59:30 +02:00
Ilia Mirkin
37d1809dd7 st/mesa: add 2d indexing support to outputs 2015-07-23 00:59:30 +02:00
Marek Olšák
c9998617a8 st/mesa: handle tessellation 2D varyings correctly 2015-07-23 00:59:30 +02:00
Ilia Mirkin
05c847433f st/mesa: lower gl_TessLevel from float[] to vecn 2015-07-23 00:59:30 +02:00
Ilia Mirkin
d00e2763b1 st/mesa: query shader CAPs for tessellation 
The MaxTessPatchComponents query added by Marek.
 2015-07-23 00:59:30 +02:00
Ilia Mirkin
40bc1c32d2 st/mesa: add texture updates for tessellation programs 2015-07-23 00:59:29 +02:00
Ilia Mirkin
bda79139d4 st/mesa: handle constbufs/ubos for tessellation shaders 2015-07-23 00:59:29 +02:00
Marek Olšák
a58a66fe85 st/mesa: add conversion for tessellation shaders 
Based on code from Ilia Mirkin <imirkin@alum.mit.edu>.
 2015-07-23 00:59:29 +02:00
Ilia Mirkin
ba9fb96f86 st/mesa: add tessellation shader states 
additional fixes by Marek
 2015-07-23 00:59:29 +02:00
Marek Olšák
df4ee8ef36 mesa: implement GL_IS_PER_PATCH 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:29 +02:00
Marek Olšák
0af240e940 glsl: use separate varying slots for patch varyings 
The idea is to allow 32 normal varyings and 32 patch varyings,
a total of 64. Previously, only a total of 32 was allowed.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:29 +02:00
Marek Olšák
d070238944 glsl: fix locations of 2-dimensional varyings without varying packing (v2) 
v2: renamed producer/consumer_type -> producer/consumer_stage

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:29 +02:00
Marek Olšák
41acdae2e9 glsl: don't demote tess control shader outputs 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:29 +02:00
Marek Olšák
3a4b87f26d glsl: disable varying packing between tessellation shaders 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:29 +02:00
Marek Olšák
d5787e7eef glsl: allow indexing of gl_out with a non-const if length isn't known 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:28 +02:00
Chris Forbes
19f46d0540 glsl: allow redeclaration of TCS gl_out[] 
Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:28 +02:00
Chris Forbes
8cf72972ce glsl: validate restrictions on use of barrier() 
With the exception of always-taken switch cases (which are
indistinguishable from straight line code in our IR), this
disallows use of the builtin barrier() function in all the
places it may not appear.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:28 +02:00
Marek Olšák
799afadf51 glsl: allow barrier() in tessellation control shaders 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:28 +02:00
Chris Forbes
df16e0dd63 glsl: analyze TES usage of gl_ClipDistance 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:28 +02:00
Chris Forbes
0e94f350ee glsl: push vertex count determination down one level 
We have the prog here, so we don't need the caller to work this out for
us.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:28 +02:00
Ilia Mirkin
567f1b2ee8 glsl: pass shader stage to lower_output_reads and handle tess control 
Tessellation control outputs can be read in directly without first
having been written. Accessing these will require some special logic
anyways, so just let them through.

V2: Never lower tess control output reads, whether patch or not -- both
can be read back by other threads.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:28 +02:00
Chris Forbes
61846f222f glsl: properly size unsized arrays in tess stages 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:28 +02:00
Chris Forbes
d563946a40 glsl: restrict indexing for writes to TCS outputs to gl_InvocationID 
Marek: handle ir_swizzle

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:28 +02:00
Chris Forbes
da7adb99e8 glsl: add builtin constants for ARB_tessellation_shader 
Limits from other extensions added by Marek.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:27 +02:00
Chris Forbes
b7f98f9f09 glsl: allow nonconst indexing of arrays where we can work out an implicit size 
Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:27 +02:00
Chris Forbes
64a0ae88b9 glsl: relax unsized input/output block arrays for TCS/TES 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
 2015-07-23 00:59:27 +02:00
Marek Olšák
2abbe941e1 glsl: add the tessellation extension to the list for the "layout" qualifier 
This is technically not needed, but it makes the compiler return a better
error message if tessellation is used with GLSL < 1.50.

Instead of:
    error: syntax error, unexpected NEW_IDENTIFIER, expecting $end
It returns:
    error: #version 150 layout qualifier `triangles' used

And the tessellation spec says:
    OpenGL 3.2 and GLSL 1.50 are required.
So it makes perfect sense.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:27 +02:00
Marek Olšák
fb800b3dcd glsl: don't lower variable indexing on non-patch tessellation inputs/outputs 
There is no way to lower them, because the array sizes are unknown
at compile time.

Based on a patch from: Fabian Bieler <fabianbieler@fastmail.fm>

v2: add comments

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
 2015-07-23 00:59:27 +02:00
Fabian Bieler
0cfac91755 glsl: make stand-alone compiler work with tessellation shaders. 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:27 +02:00
Fabian Bieler
c53aa26379 glsl: add "in" or "out" prefix to name when flattening interface blocks 
This is to prevent a name conflict in tessellation shaders built-in interface
blocks.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
 2015-07-23 00:59:27 +02:00
Fabian Bieler
73a9a1539a glsl: lower gl_TessLevel* from float[n] to vecn. 
Similar to gl_ClipDistance -> gl_ClipDistanceMESA

v2: - renamed is_mesa_var to lowered_builtin_array_variable
    - moved LowerTessLevel into gl_constants
    - cosmetic changes in lower_tess_level.cpp

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:27 +02:00
Fabian Bieler
54f2950297 glsl: make lower_clip_distance work with tessellation shaders. 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
 2015-07-23 00:59:27 +02:00
Chris Forbes
7c758c5a21 glsl: allow linking of tessellation shaders. 
Marek: require a tess eval shader if a tess control shader is present

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
 2015-07-23 00:59:27 +02:00
Fabian Bieler
1009b3311f glsl: add the patch in/out qualifier (v2) 
v2: Dropped some unrelated reordering in glsl_parser.yy as Ken suggested.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:26 +02:00
Fabian Bieler
1036b024d4 glsl: add tessellation shader defines and built-in variables. 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:26 +02:00
Fabian Bieler
497eb29583 glsl: add tessellation shader parsing support (v2) 
v2: Fixed things that Ken suggested.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:26 +02:00
Marek Olšák
206af9d049 mesa: don't allow drawing with tess ctrl shader and without tess eval shader 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:26 +02:00
Marek Olšák
3d528e7c47 mesa: handle tessellation shaders in use_shader_program 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:26 +02:00
Marek Olšák
882413f1c5 mesa: add program interface queries for tessellation shaders 
Based on a patch by Chris Forbes <chrisf@ijw.co.nz>.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:26 +02:00
Fabian Bieler
550a570c53 mesa: add misc tessellation shader stuff 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:26 +02:00
Fabian Bieler
6823d713c6 mesa: add tessellation shader getters (v3) 
Tessellation dependencies added by Marek.

v2: require tessellation in addition to atomics/images for some glGet queries

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:26 +02:00
Marek Olšák
cb0c12512c mesa: allow setting of patch parameters. 
Based on a patch from Fabian Bieler <fabianbieler@fastmail.fm>.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:25 +02:00
Chris Forbes
e32e546c17 mesa: require VS if TCS or TES is present in pipeline 
Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:25 +02:00
Chris Forbes
a30cc28829 mesa: allow tess stages in glUseProgramStages 
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:25 +02:00
Fabian Bieler
6435b2909e mesa: support tess stages in glGetProgramPipelineiv 
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:25 +02:00
Marek Olšák
5852b5d2fa mesa: take tessellation into account when validating GS input primitive mode 
I've reported the bug in the Khronos bugzilla.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:25 +02:00
Chris Forbes
8e758c3a74 mesa: allow drawing of patch primitives 
Cosmetic changes and fixes by Marek.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:25 +02:00
Marek Olšák
fa602c2088 mesa: add _mesa_has_tessellation 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
 2015-07-23 00:59:25 +02:00