| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch populates the following built-in GLSL 1.50 variables based
on constants stored in ctx->Const:
- gl_MaxVertexOutputComponents
- gl_MaxGeometryInputComponents
- gl_MaxGeometryOutputComponents
- gl_MaxFragmentInputComponents
- gl_MaxGeometryTextureImageUnits
- gl_MaxGeometryOutputVertices
- gl_MaxGeometryTotalOutputComponents
- gl_MaxGeometryUniformComponents
- gl_MaxGeometryVaryingComponents
On i965/gen7, fixes all Piglit tests in "spec/glsl-1.50/built-in
constants/*" except for gl_MaxCombinedTextureImageUnits and
gl_MaxGeometryUniformComponents.
Reviewed-by: Matt Turner <mattst88@gmail.com>
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Pull the data directly from the context like the other varying related
limits. The parser state shadow copies were added back when the parser
state didn't have a pointer to the context. There's no reason to do it
now days.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
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Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Matt Turner <mattst88@gmail.com>
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V2 [Chris Forbes]:
- Add new pattern, fixup parameter reading.
V3: Rebase onto new builtins machinery
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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All member variables of ast_node are already being initialized from
its constructor, but some of its derived classes were leaving members
uninitialized -- Fix them.
Using rzalloc makes it more likely that we will start relying on the
allocator to zero out all memory if the class is ever extended with
new member variables. That's bad because it ties objects to some
specific allocation scheme, and gives unpredictable results when an
object is created with a different allocator -- Stack allocation,
array allocation, or aggregation inside a different object are some of
the useful possibilities that come to my mind.
v2: Use NULL initialization instead of default construction for pointers.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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The _mesa_glsl_parse_state object relies on the memory allocator
zeroing out its contents before it's initialized, which is quite an
unusual practice in the C++ world because it ties objects to some
specific allocation scheme, and gives unpredictable results when an
object is created with a different allocator -- Stack allocation,
array allocation, or aggregation inside a different object are some of
the useful possibilities that come to my mind. Initialize all fields
from the constructor and stop using the zeroing allocator.
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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This is better than overriding the extension enable based on the
language version; it's robust against shaders that do:
#version 140
#extension GL_ARB_uniform_buffer_object : disable
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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Explicit attribute locations are supported with GLSL 3.30, GLSL ES 3.00,
or "#extension GL_ARB_explicit_attrib_location: enable". Using a helper
function makes it easy to check for this.
This enables support in GLSL 3.30, which was previously missing.
Previously, we overrode the extension enable flag for ES 3.00. This is
not robust against a shader such as:
#version 330
#extension GL_ARB_explicit_attrib_location : disable
Disabling extensions should not remove core language functionality.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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Everyone at the Khronos meeting was as surprised that GLSL didn't
already support this as we were. Several vendors said they'd ship it,
but there didn't seem to be enough interest to put in the effort to make
it ARB or KHR.
v2: Fix a couple typos and rename the spec file to
EXT_shader_integer_mix.spec. Suggested by Roland.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
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Because why doesn't GLSL allow you to do this already?
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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All built-ins are now handled by the new code; the old system is dead.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
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No longer used.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
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The variable means that UBO qualifiers are allowed in a particular
context (e.g., not allowed in a struct field declaration), rather than a
particular set of UBO qualifiers are valid.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
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Continue to allow them in GLSL 1.10 because the spec allows it.
Generate an error in all other versions because the specs specifically
disallow it.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Cc: "9.2" <mesa-stable@lists.freedesktop.org>
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Next step is to validate them at link time.
v2 (Paul Berry <stereotype441@gmail.com>): Don't attempt to export the
layout qualifiers in the event of a compile error, since some of them
are set up by ast_to_hir(), and ast_to_hir() isn't guaranteed to have
run in the event of a compile error.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
v3 (Paul Berry <stereotype441@gmail.com>): Use PRIM_UNKNOWN to
represent "not set in this shader".
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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Limited semantic checking (compatibility between declarations, checking
that they're in the right shader target, etc.) is done.
v2: Remove stray debug printfs.
v3 (Paul Berry <stereotype441@gmail.com>): Process input layout
qualifiers at ast_to_hir time rather than at parse time, since certain
error conditions depend on the relative ordering between input layout
qualifiers, declarations, and calls to .length().
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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See documentation in mtypes.h.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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Certain extensions only add functionality to particular shader stages.
(For example, ARB_draw_instanced only adds variables to the vertex
shader stage.)
Previously, we only allowed such extensions to be enabled in the shader
stages where they're useful. However, I've never found any text which
mandates that behavior; in my opinion, you should be able to turn on
extensions in any shader stage, even if they have no effect.
Fixes Piglit tests glslparsertest/glsl2/draw_buffers-05.vert and
ARB_draw_instanced/preprocessor/feature-macro-enabled.frag.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29185
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
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The majority of calls to _mesa_glsl_error(), _mesa_glsl_warning(), and
_mesa_glsl_parse_state::check_version() use a message that begins with
a lower case letter and ends without a period. This patch makes all
messages follow that convention.
Also, error/warning messages shouldn't end in '\n', since
_mesa_glsl_msg() automatically adds '\n' at the end of the message.
Reviewed-by: Matt Turner <mattst88@gmail.com>
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Fixes "Uninitialized pointer field" defect reported by Coverity.
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
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opt_return_value was not initialized if mode != ast_return.
Fixes "Uninitialized pointer field" defect reported by Coverity.
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
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Required by GL_ARB_shading_language_420pack.
Parts based on work done by Todd Previte and Ken Graunke, implementing
basic support for C-style initializers of arrays.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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Will be used in a later commit to differentiate between a structure type
declaration and a variable declaration of a struct type. I.e., the
difference between
struct S { float x; }; (is_declaration = true)
and
S s; (is_declaration = false)
Also note that is_declaration = true for
struct S { float x; } s;
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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Reviewed-by: Ian Romanick <ian.d.romainck@intel.com>
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This code had no relation to ir_to_mesa.cpp, since it was also used by
intel and state_tracker, and most of it was duplicated with the standalone
compiler (which has periodically drifted from the Mesa copy).
v2: Split from the ir_to_mesa to shaderapi.c changes.
Acked-by: Paul Berry <stereotype441@gmail.com> (v1)
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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We were duplicating this code all over the place, and they all would need
updating for the next set of shader targets.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
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v2 [mattst88]
- Split infrastructure into separate patch.
- Add preprocessor #define.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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Previously we only supported "#version 150". This patch recognizes
"compatibility" to give the user a more descriptive error message.
Fixes Piglit's version-150-core-profile test.
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
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This GLSL extension requires that AMD_vertex_shader_layer be
enabled by the driver.
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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This will eventually replace do_vec_index_to_cond_assign. This lowering
pass is called in all the places where do_vec_index_to_cond_assign or
do_vec_index_to_swizzle is called.
v2: Use WRITEMASK_* instead of integer literals. Use a more concise
method of generating broadcast_index. Both suggested by Eric.
v3: Use a series of scalar compares instead of a single vector compare.
Suggested by Eric and Ken. It still uses 'if (cond) v.x = y;' instead
of conditional assignments because ir_builder doesn't do conditional
assignments, and I'd rather keep the code simple.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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This pass flips (matrix * vector) operations to (vector *
matrixTranspose) for certain built-in matrices (currently
gl_ModelViewProjectionMatrix and gl_TextureMatrix).
This is equivalent, but results in dot products rather than multiplies
and adds. On some hardware, this is more efficient.
This pass is conditionalized on ctx->mvp_with_dp4, the flag drivers set
to indicate they prefer dot products.
Improves performance in Lightsmark by 1.01131% +/- 0.162069% (n = 10)
on a Haswell GT2 system. Passes Piglit on Ivybridge.
v2: Use struct gl_shader_compiler_options instead of plumbing through
another boolean flag for this purpose.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
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do_common_optimization may need to make choices about whether to emit
certain kinds of instructions. gl_context::ShaderCompilerOptions
contains exactly that information, so it makes sense to pass it in.
Rather than passing the whole array, pass the structure for the stage
that's currently being worked on.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
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Const.MaxTextureImageUnits -> Const.FragmentProgram.MaxTextureImageUnits
Const.MaxVertexTextureImageUnits -> Const.VertexProgram.MaxTextureImageUnits
etc.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
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Reviewed-by: Chris Forbes <chrisf@ijw.co.nz>
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GLBenchmark 2.7's shaders contain conditional blocks like:
if (x) {
if (y) {
...
}
}
where the outer conditional's then clause contains exactly one statement
(the nested if) and there are no else clauses. This can easily be
optimized into:
if (x && y) {
...
}
This saves a few instructions in GLBenchmark 2.7:
total instructions in shared programs: 11833 -> 11649 (-1.55%)
instructions in affected programs: 8234 -> 8050 (-2.23%)
It also helps CS:GO slightly (-0.05%/-0.22%). More importantly,
however, it simplifies the control flow graph, which could enable other
optimizations.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
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v2 [mattst88]:
- Rebase.
- #define GL_ARB_texture_query_lod to 1.
- Remove comma after ir_lod in ir.h for MSVC.
- Handled ir_lod in ir_hv_accept.cpp, ir_rvalue_visitor.cpp,
opt_tree_grafting.cpp.
- Rename textureQueryLOD to textureQueryLod, see
https://www.khronos.org/bugzilla/show_bug.cgi?id=821
- Fix ir_reader of (lod ...).
v3 [mattst88]:
- Rename textureQueryLod to textureQueryLOD, pending resolution of
Khronos 821.
- Add ir_lod case to ir_to_mesa.cpp.
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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This ends up reusing the dynamic ID support, so a silly enum gets to go
away. We don't assign good IDs to different messages yet, but at least
that's tractable now.
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
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V2: - emit `sample` parameter properly for multisample texelFetch()
- fix spurious whitespace change
- introduce a new opcode ir_txf_ms rather than overloading the
existing ir_txf further. This makes doing the right thing in
the driver somewhat simpler.
V3: - fix weird whitespace
V4: - don't forget to include the new opcode in tex_opcode_strs[]
(thanks Kenneth for spotting this)
Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
[V2] Reviewed-by: Eric Anholt <eric@anholt.net>
[V2] Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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When the user specifies an unsupported GLSL version,
_mesa_glsl_parse_state::process_version_directive() nicely gives them
an error message telling them which GLSL versions are supported.
Previous to this patch, the logic for determining whether a given
language version was supported was independent from the logic to
generate this error message string; as a result, we had a bug where
GLSL 3.00 would never be listed in the error message as an available
language version, even if it was really available.
To make matters worse, the code for generating the error message
string assumed that desktop GL versions were always separated by 0.10,
an assumption that will be wrong as soon as we support GLSL 3.30.
This patch fixes both problems by adding a table of supported GLSL
versions to _mesa_glsl_parse_state; this table is used both to
generate the error message and to check whether a given version is
supported.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
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Dave found some, but there were more.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=58039
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This should fix:
https://bugs.freedesktop.org/show_bug.cgi?id=58039
Tested-by: Darxus on bug 58039
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Note that while 'packed' is a reserved word in GLSL ES, row_major is not.
This means that we have to use the string-based matching for that.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Carl Worth <cworth@cworth.org>
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These constants need to be made available to shaders in GLSL 3.00 ES.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Carl Worth <cworth@cworth.org>
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Note that GLSL 1.00 is selected using "#version 100", so "#version 100
es" is prohibited.
v2: Check for GLES3 before allowing '#version 300 es'
v3: Make sure a correct language_version is set in
_mesa_glsl_parse_state::process_version_directive.
Signed-off-by: Paul Berry <stereotype441@gmail.com>
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Carl Worth <cworth@cworth.org>
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Version directive handling is going to have to be used within two
parser rules, one for desktop-style version directives (e.g. "#version
130") and one for the new ES-style version directive (e.g. "#version
300 es"), so this patch moves it to a function that can be called from
both rules.
No functional change.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Carl Worth <cworth@cworth.org>
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With the advent of GLSL 3.00 ES, the version checks we perform in the
GLSL compiler (to determine which language features are present) will
become more complicated. To reduce the complexity, this patch adds
functions check_version() and is_version() to _mesa_glsl_parse_state.
These functions take two version numbers: a desktop GLSL version and a
GLSL ES version, and return a boolean indicating whether the GLSL
version being compiled is at least the required version. So, for
example, is_version(130, 300) returns true if the GLSL version being
compiled is at least desktop GLSL 1.30 or GLSL 3.00.
The check_version() function additionally produces an error message if
the version check fails, informing the user of which GLSL version(s)
support the given feature.
[v2, idr]: Add PRINTFLIKE annotation to the new method. The numbering of th
parameters is correct because GCC is silly.
[v3, idr]: Fix copy-and-paste error in the comment before
_mesa_glsl_parse_state::is_version. Noticed by Ken.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Carl Worth <cworth@cworth.org>
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This will be useful in generating more helpful error messages,
especially with the addition of GLSL 3.00 ES support.
[v2, idr]: Rename ctx parameter to mem_ctx
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Carl Worth <cworth@cworth.org>
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