This fixes an issue where the addition of the FLAT qualifier in
varying_matches::record() can break the expected varying order.
It also avoids a future issue with the relaxing of interpolation
qualifier matching constraints in GLSL 4.50.
V2: (by Timothy Arceri)
* reworked comment slightly
Signed-off-by: Gregory Hainaut <gregory.hainaut@gmail.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
(cherry picked from commit 2ab9cd0c4d)
Nominated-by: Timothy Arceri <timothy.arceri@collabora.com>
GL_ARB_separate_shader_objects allow matching by name variable or block
interface. Input varyings can't be removed because it is will impact the
location assignment.
This fixes the bug 79783 and likely any application that uses
GL_ARB_separate_shader_objects extension.
V2 (by Timothy Arceri):
* simplify now that builtins are not set as always active
Signed-off-by: Gregory Hainaut <gregory.hainaut@gmail.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
https://bugs.freedesktop.org/show_bug.cgi?id=79783
(cherry picked from commit 8117f46f49)
Nominated-by: Timothy Arceri <timothy.arceri@collabora.com>
The value will be set in separate-shader program when an input/output
must remains active. e.g. when deadcode removal isn't allowed because
it will create interface location/name-matching mismatch.
v3:
* Rename the attribute
* Use ir_variable directly instead of ir_variable_refcount_visitor
* Move the foreach IR code in the linker file
v4:
* Fix variable name in assert
v5 (by Timothy Arceri):
* Rename functions and reword comments
* Don't set always active on builtins
Signed-off-by: Gregory Hainaut <gregory.hainaut@gmail.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
(cherry picked from commit 618612f867)
Nominated-by: Timothy Arceri <timothy.arceri@collabora.com>
There was only a single user which was using strlen(buf).
As this function is not user facing (i.e. we don't need to feed back
original length via a callback), we can simplify things.
Suggested-by: Timothy Arceri <timothy.arceri@collabora.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
(cherry picked from commit d37ebed470)
ARB_explicit_uniform_location allows the index for subroutine functions
to be explicitly set in the shader.
This patch reduces the restriction on the index qualifier in
validate_layout_qualifiers() to allow it to be applied to subroutines
and adds the new subroutine qualifier validation to ast_function::hir().
ast_fully_specified_type::has_qualifiers() is updated to allow the
index qualifier on subroutine functions when explicit uniform locations
is available.
A new check is added to ast_type_qualifier::merge_qualifier() to stop
multiple function qualifiers from being defied, before this patch this
would cause a segfault.
Finally a new variable is added to ir_function_signature to store the
index. This value is validated and the non explicit values assigned in
link_assign_subroutine_types().
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
This patch replaces the old interger constant qualifiers with either
the new ast_layout_expression type if the qualifier requires merging
or ast_expression if the qualifier can't have mulitple declarations
or if all but the newest qualifier is simply ignored.
We also update the process_qualifier_constant() helper to be
similar to the one in the ast_layout_expression class, but in
this case it will be used to process the ast_expression qualifiers.
Global shader layout qualifier validation is moved out of the parser
in this change as we now need to evaluate any constant expression
before doing the validation.
V2: Fix minimum value check for vertices (Emil)
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
In this patch we introduce a new ast type for holding the new
compile-time constant expressions. The main reason for this is that
we can no longer do merging of layout qualifiers before they have been
converted into GLSL IR so we need to store them to be proccessed later.
The new type has two helper functions:
- process_qualifier_constant()
Used to merge and then evaluate qualifier expressions
- merge_qualifier()
Simply appends a qualifier to a list to be merged later by
process_qualifier_constant()
In order to avoid cascading error messages the process_qualifier_constant()
helpers return a bool
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This will allow us to add error checking to this function
in a later patch, if we don't move it the error messages
will go missing.
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This change moves the binding layout handing code into an apply
function to be consistent with other helper functions in the ast
code, and to encapsulate the code so that when we introduce
compile time constants the code will be much cleaner.
One small downside is for unnamed interface blocks we will now
be revalidating the binding for each member its applied to.
However this seems a small sacrifice in order to have code which
is readable.
We also remove the incorrect comment in the named interface code
about propagating bindings to members which seems to have been
copied from the unnamed interface code.
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This validation is moved later so we can validate the
max value when compile time constant support is added in a
later patch.
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
We are moving this out of the parser in preparation for compile
time constant support.
The reason a validation function is used rather than an apply
function like what is used with bindings is because glsl allows
streams to be defined on members of blocks even though they must
match the stream thats associated with the current block, this
means we need access to the value after validation to do this
comparision.
V2: Fix typo in comment (Emil)
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Use new helper that will in a later patch allow for
compile time constants.
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
The minimum value for index is validated in apply_explicit_location()
and we want to remove validation from the parser so we can add
compile time constant support.
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
We are moving this out of the parser in preparation for compile
time constant support.
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
For now this just validates that a qualifier is inside its
minimum boundary, in a later patch we will expand it to
evaluate compile time constants.
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Commit b9b40ef9b7 moved the file, but forgot to update the reference in
the makefile. Thus the out of tree build was busted :\
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
The change is necessary to avoid building errors in glsl and i965
modules due to missing glsl_types.h header
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Current behavior on the interface matching:
layout (location = 0) out0; // Assigned to VARYING_SLOT_VAR0 by user
out1; // Assigned to VARYING_SLOT_VAR0 by the linker
New behavior on the interface matching:
layout (location = 0) out0; // Assigned to VARYING_SLOT_VAR0 by user
out1; // Assigned to VARYING_SLOT_VAR1 by the linker
v4:
* Fix variable name in assert
Signed-off-by: Gregory Hainaut <gregory.hainaut@gmail.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
This is the NIR analog to GLSL IR ir_samples_identical.
v2: Don't add the second nir_tex_src_ms_index parameter. Suggested by
Ken and Jason.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Chris Forbes <chrisf@ijw.co.nz>
Note: not quite perfect, we should use type_size vfunc (in
compiler_options or nir_shader?) to determine how much we
increment num_inputs/outputs/uniforms. But we don't have
that yet, so let's at least fix things for the existing
users of these passes.
Signed-off-by: Rob Clark <robclark@freedesktop.org>
Acked-by: Jason Ekstrand <jason.ekstrand@intel.com>
Otherwise, passing -1 gets you:
error: invalid conversion from 'int' to 'nir_variable_mode' [-fpermissive]
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This can only be used if EXT_blend_func_extended is enabled
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
gl_MaxDualSourceDrawBuffersEXT - Maximum dual-source draw buffers supported
For ESSL 1.0, it provides two builtins since you can't have user-defined
color output variables:
gl_SecondaryFragColorEXT
gl_SecondaryFragDataEXT[MaxDSDrawBuffers]
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This adds a state for the maximum dual source draw variables available
and the variable for determining if the extension has been enabled
in the program shaders.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Apparently, this has been a bug since 2010 (c30f6e5d).
Also use ARRAY_SIZE instead of open coding it.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Cc: mesa-stable@lists.freedesktop.org
I think the intention was to mark the "this" parameter as const, but
const goes on the other end to do that.
In file included from glsl_symbol_table.cpp:26:0:
ast.h:339:35: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
const bool is_single_dimension()
^
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
This commit is heavily based on one by Rob Clark <robdclark@gmail.com> but
reworked to re-use nir_create functions and do less hashing.
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>
Failing to call nir_metadata_preserve() can have nasty consequences:
some pass breaks dominance information, but leaves it marked as valid,
causing some subsequent pass to go haywire and probably crash.
This pass adds a simple validation mechanism to ensure passes handle
this properly. We add a new bogus metadata flag that isn't used for
anything in particular, set it before each pass, and ensure it *isn't*
still set after the pass. nir_metadata_preserve will reset the flag,
so correct passes will work, and bad passes will assert fail.
(I would have made these functions static inline, but nir.h is included
in C++, so we can't bit-or enums without lots of casting...)
Thanks to Dylan Baker for the idea.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
This will simplify things somewhat in clone.
Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
No users.
Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
In nv50, and in the python script that Rob circulated, we do:
bld.mkCmp(OP_SET, CC_GE, TYPE_U32, (s = bld.getSSA()), TYPE_U32, m, b);
Do the same in the nir div lowering pass. This fixes the large-udiv-udiv
piglit tests on freedreno.
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Rob Clark <robclark@freedesktop.org>
Checking that the flag has been set is all the validation thats
needed here.
Also not calling the binding validation function will make things
much simpler when adding compile time constant support as we
won't need to resolve the binding value.
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Previously if the member was an array of matrices then a
warning message would be incorrectly given.
Also the struct case could never be met so it has been removed.
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
