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It feels weird using GL_* enums in a Vulkan driver.
v2: Fix the TESS_SPACING -> PIPE_TESS_SPACING conversion.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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Signed-off-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
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This extension allows the fragment shader to control whether values in
gl_SampleMaskIn[] reflect the coverage after application of the early
depth and stencil tests.
Signed-off-by: Plamena Manolova <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
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This reverts commit 4c863993780a11cea6f88fa0682796bee5794042.
The commit was erroneous because the ast_layout_expression class was
created to hold a list of values for a layout-qualifier-name which is
allowed to appear in more than one expression in the same
shader/program but not to hold different values.
In other words, the list is used for an after check that all the
declared values for a layout-qualifier-name are consistent.
Therefore, the values stored must match always, not just for
"max_vertices" or any other eventual layout-qualifier-name.
Reviewed-by: Timothy Arceri <[email protected]>
Signed-off-by: Andres Gomez <[email protected]>
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After the previous modifications in the merging of the
layout-qualifier-name values, we no longer push the final value in a
declaration to the global values.
This regression happens because we don't call for merging on the
right-most layout qualifier of a declaration which is also the
overriding one in case of multiple appearances.
Now, we add a new method to push these values to the global ones and
we call for this just after all the layout-qualifier collapsing has
happened in a declaration.
This simplifies how this was working in two ways; we make a clear
differentiation of when we are pushing this to the global values since
before it was mixed in the merging call and we only run this once all
the processing for layout-qualifiers in a declaration has happened.
Reviewed-by: Timothy Arceri <[email protected]>
Signed-off-by: Andres Gomez <[email protected]>
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Since we modified the way in which multiple repetitions of the same
layout-qualifier-name in a single declaration collapse into the
ast_type_qualifier class, we can simplify the
merge_into_[in|out]_qualifier APIs through removing the create_node
parameter.
Reviewed-by: Timothy Arceri <[email protected]>
Signed-off-by: Andres Gomez <[email protected]>
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layout qualifier
From page 46 (page 52 of the PDF) of the GLSL 4.20 spec:
" More than one layout qualifier may appear in a single
declaration. If the same layout-qualifier-name occurs in multiple
layout qualifiers for the same declaration, the last one overrides
the former ones."
Consider this example:
" #version 150
#extension GL_ARB_shading_language_420pack: enable
layout(max_vertices=2) layout(max_vertices=3) out;
layout(max_vertices=3) out;"
Although different values for "max_vertices" results in a compilation
error. The above code is valid because max_vertices=2 is ignored.
Hence, when merging qualifiers in an ast_type_qualifier, we now ignore
new appearances of a same layout-qualifier-name if the new
"is_multiple_layouts_merge" parameter is on, since the GLSL parser
works in this case from right to left.
In addition, any special treatment for the buffer, uniform, in or out
layout defaults has been moved in the GLSL parser to the rule
triggered just after any previous processing/merging on the
layout-qualifiers has happened in a single declaration since it was
run too soon previously.
Fixes GL44-CTS.shading_language_420pack.qualifier_override_layout
Reviewed-by: Timothy Arceri <[email protected]>
Signed-off-by: Andres Gomez <[email protected]>
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Currently, the default in layout qualifier merge performs specific
validation and merge.
We want to split out the validation from the merge so they can be done
independently.
Additionally, for simplification, the direction of the validation and
merge is changed so the ast_type_qualifier calling the method is the
one validated and merged against the default in qualifier.
Reviewed-by: Timothy Arceri <[email protected]>
Signed-off-by: Andres Gomez <[email protected]>
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Currently, the default out layout qualifier merge performs specific
validation and merge.
We want to split out the validation from the merge so they can be done
independently.
Additionally, for simplification, the direction of the validation and
merge is changed so the ast_type_qualifier calling the method is the
one validated and merged against the default out qualifier.
Reviewed-by: Timothy Arceri <[email protected]>
Signed-off-by: Andres Gomez <[email protected]>
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Consider this example:
" #version 150 core
#extension GL_ARB_shading_language_420pack: require
#extension GL_ARB_explicit_attrib_location: require
layout(location=0) out vec4 o;
layout(binding=2) layout(binding=3, std140) uniform U {
vec4 a;
} u[2];"
As there is 2 layout-qualifiers for the uniform U and the binding
layout-qualifier-id is duplicated, the rules set by the
ARB_shading_language_420pack spec state that the rightmost should
prevail.
Our ast_type_qualifier merges with others in a way that if the value
for a layout-qualifier-id is set in both, the object being merged
overwrites the value of the object invoking the merge. Hence, the
merge has to happen from the left layout towards the right one and
this was not happening for interface blocks because we were merging
into the default layout qualifier.
Now, the merge is done from left to right and, as a last step, we
merge into the default layout qualifier if needed, so the values of
the explicit layouts prevail over it.
V2: added a default_layout variable instead of a layout_helper and
make the merge directly over the layout one. Suggested by Timothy.
Reviewed-by: Timothy Arceri <[email protected]>
Signed-off-by: Andres Gomez <[email protected]>
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Tested-by: Edmondo Tommasina <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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No change in behavior. ralloc_size is equivalent to rzalloc_size.
That will change though.
Calls not switched to rzalloc_size:
- ralloc_vasprintf
- glsl_type::name allocation (it's filled with snprintf)
- C++ classes where valgrind didn't show uninitialized values
I switched most of non-glsl stuff to rzalloc without checking whether
it's really needed.
Reviewed-by: Edward O'Callaghan <[email protected]>
Tested-by: Edmondo Tommasina <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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This is the new layout qualifier introduced by
ARB_compute_variable_group_size which allows to use a variable work
group size.
v4: - add missing '%s' in the monster format string
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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v2 (Ken): Add a BLEND_NONE enum value (no qualifiers in use).
v3 (Ken): Rename gl_blend_support_qualifier to gl_advanced_blend_mode.
v4 (Ken): Mark map[] as static const (Ilia).
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Francisco Jerez <[email protected]>
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AST_NUM_OPERATORS stores the dimension of the ast_operators
enumeration but was not updated after its last modification.
This doesn't add any real modification for any code paths but it makes
sense for coherence.
v2 (Eric Engestrom): Just place the define at the end of the
enumeration, not below.
Signed-off-by: Andres Gomez <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
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Reviewed-by: Kenneth Graunke <[email protected]>
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I do appreciate the cleverness, but unfortunately it prevents a lot more
cleverness in the form of additional compiler optimizations brought on
by -fstrict-aliasing.
No difference in OglBatch7 (n=20).
Co-authored-by: Davin McCall <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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From GLSL 4.5 spec, "4.4.2.3 Geometry Outputs".
"all geometry shader output vertex count declarations in a
program must declare the same count."
Fixes:
GL45-CTS.geometry_shader.output.conflicted_output_vertices_max
Reviewed-by: Alejandro Piñeiro <[email protected]>
Cc: "11.2 12.0" <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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Just to allow to call set_is_lhs on any ast_node without a casting. Useful
when processing a ast_node list that we know it contain ast_expression.
v2: comment out new_value to avoid unused parameter warning (Ian Romanick)
Reviewed-by: Ian Romanick <[email protected]>
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Reviewed-by: Anuj Phogat <[email protected]>
Reviewed-by: Edward O'Callaghan <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Suggested by Timothy Arceri a while back on mesa-dev:
https://lists.freedesktop.org/archives/mesa-dev/2016-February/107735.html
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
Acked-by: Matt Turner <[email protected]>
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We reuse the existing offset field for holding the xfb_offset
expression but create a new flag as to avoid hitting the rules
for the offset qualifier for UBOs.
xfb_buffer qualifiers require extra processing when merging as
they can be applied to global out defaults. We just apply the
same rules as we do for the stream qualifier as the spec says:
"The *xfb_buffer* qualifier follows the same conventions,
behavior, defaults, and inheritance rules as the qualifier
stream, and the examples for stream apply here as well."
For xfb_stride we push everything into a global out field for
later processing as xfb_stride applies to the entire buffer.
We still need to have a separate field to store per variable
strides because they can still effect implicit offsets
e.g. when applied to block members with implicit offsets.
Reviewed-by: Dave Airlie <[email protected]>
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We will make use of this function being here in the following patch.
Reviewed-by: Dave Airlie <[email protected]>
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Useful to know if a expression is the recipient of an assignment
or not, that would be used to (for example) raise warnings of
"use of uninitialized variable" without getting a false positive
when assigning first a variable.
By default the value is false, and it is assigned to true on
the following cases:
* The lhs assignments subexpression
* At ast_array_index, on the array itself.
* While handling the method on an array, to avoid the warning
calling array.length
* When computed the cached test expression at test_to_hir, to
avoid a duplicate warning on the test expression of a switch.
set_is_lhs setter is added, because in some cases (like ast_field_selection)
the value need to be propagated on the expression tree. To avoid doing the
propatagion if not needed, it skips if no primary_expression.identifier is
available.
v2: use a new bool on ast_expression, instead of a new parameter
on ast_expression::hir (Timothy Arceri)
v3: fix style and some typos on comments, initialize is_lhs default value
on constructor, to avoid a c++11 feature (Ian Romanick)
v4: some tweaks on comments (Timothy Arceri)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94129
Reviewed-by: Timothy Arceri <[email protected]>
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Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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Previously interface blocks were giving the global default flags of
uniform blocks. This meant we could not check for invalid qualifiers
on interface blocks because they always contained invalid flags.
This changes parsing so that interface blocks now get an empty
set of layouts.
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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We already have one in the IR code that can be used everywhere its
needed in the AST code so remove the one from the AST.
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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Signed-off-by: Emil Velikov <[email protected]>
Acked-by: Matt Turner <[email protected]>
Acked-by: Jose Fonseca <[email protected]>
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