format_srgb.c is generated by format_srgb.py python script, having
format_srgb.c in git ignore list will silence git complaints about
untracked file.
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Also delete the comment before that function. Everything in that
comment was either stale, wrong, or captured elsewhere.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This simplifies all the callers, and it enables the removal of one of
the function parameters.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
With two tests both numbered 118, there was a confusing off-by-two difference
between the last test number and the total number of tests (as reported by
glcpp-test).
With this rename, there's only an off-by-one difference left, (which is easy
to understand given the zero-based test numbering).
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Here is some additional stress testing of nested macros where the expansion
of macros involves commas, (and whether those commas are interpreted as
argument separators or not in subsequent function-like macro calls).
Credit to the GCC documentation that directed my attention toward this issue:
https://gcc.gnu.org/onlinedocs/gcc-3.2/cpp/Argument-Prescan.html
Fixing the bug required only removing code from glcpp. When first testing the
details of expansions involving commas, I had come to the mistaken conclusion
that an expanded comma should never be treated as an argument separator, (so
had introduced the rather ugly COMMA_FINAL token to represent this).
In fact, an expanded comma should be treated as a separator, (as tested here),
and this treatment can be avoided by judicious use of parentheses (as also
tested here).
With this simple removal of the COMMA_FINAL token, the behavior of glcpp
matches that of gcc's preprocessor for all of these hairy cases.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Beyond just listing this in the TESTS variable in Makefile.am, only minor
changes were needed to make this work. The primary issue is that the build
system runs the test script from a different directory than the script
itself. So we have to use the $srcdir variable to find the test input files.
Using $srcdir in this way also ensures that this test works when using an
out-of-tree build.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
The (optional) test-specific command-line arguments to be passed to glcpp are
embedded within the source files of some tests, and glcpp-test uses grep to
extract them.
Of course, grep is line-based and looks for the native line-separator to
determine line boundaries. So, for files using non-native line separators,
grep was getting quite confused and passing bogus arguments to glcpp.
Fix this by canonical-izing the line separators in the source file prior to
using grep.
With this commit, the glcpp-test-cr-lf tests pass entirely:
\r: 143/143 tests pass
\r\n: 143/143 tests pass
\n\r: 143/143 tests pass
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Sometimes the newline separator is a single character, and sometimes it is two
characters. Before we can fold away and line-continuation backslashes, we
identify the flavor of line separator that is in use.
With this identified, we then correctly search for backslashes followed
immediately by the first character of the line separator.
Also, when re-inserting newlines to replace collapsed newlines, we carefully
insert newlines of the same flavor.
With this commit, almost all remaining test are fixed as tested by
glcpp-test-cr-lf:
\r: 142/143 tests pass
\r\n: 142/143 tests pass
\n\r: 143/143 tests pass
(The only remaining failures have nothing to do with the actual pre-processor
code, but are due to a bug in the way the test suite uses grep to try to
extract test-specific command-line options from the source files.)
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Some tests were failing because the message printed by #error was including a
'\r' character from the source file in its output.
This is easily avoided by fixing the regular expression for #error to never
include any of the possible newline characters, (neither '\r' nor '\n').
With this commit 2 tests are fixed for each of the '\r' and '\r\n' cases.
Current results after the commit are:
\r: 137/143 tests pass
\r\n 142/143 tests pass
\n\r: 139/143 tests pass
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
The GLSL specification says that either carriage-return, line-feed, or both
together can be used to terminate lines. Further, it says that when used
together, the pair of terminators shall be interpreted as a single line.
This final requirement has not been respected by glcpp up until now, (it has
been emitting two newlines for every CR+LF pair).
Here, we fix the lexer by using a regular expression for NEWLINE that eats
up both "\r\n" (or even "\n\r") if possible before also considering a single
'\n' or a single '\r' as a line terminator.
Before this commit, the test results are as follows:
\r: 135/143 tests pass
\r\n: 4/143 tests pass
\n\r: 4/143 tests pass
After this commit, the test results are as follows:
\r: 135/143 tests pass
\r\n: 140/143 tests pass
\n\r: 139/143 tests pass
So, obviously, a dramatic improvement.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
The GLSL specification has a very broad definition of what is a
newline. Namely, it can be the carriage-return character, '\r', the newline
character, '\n', or any combination of the two, (though in combination, the
two are treated as a single newline).
Here, we add a new test-runner, glcpp-test-cr-lf, that, for each possible
line-termination combination, runs through the existing test suite with all
source files modified to use those line-termination characters. Instead of
using the .expected files for this, this script assumes that the regular test
suite has been run already and expects the output to match the .out
files. This avoids getting 4 test failures for any one bug, and instead will
hopefully only report bugs actually related to the line-termination
characters.
The new testing is not yet integrated into "make check". For that, some
munging of the testdir option will be necessary, (to support "make check" with
out-of-tree builds). For now, the scripts can just be run directly by hand.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Prior to this commit, the following snippet would trigger an error in glcpp:
#define FOO defined BAR
#if FOO
#endif
The problem was that support for the "defined" operator was implemented within
the grammar, (where the parser was parsing the tokens of the condition
itself). But what is required is to interpret the "defined" operator that
results after macro expansion is performed.
I could not find any fix for this case by modifying the grammar alone. The
difficulty is that outside of the grammar we already have a recursive function
that performs macro expansion (_glcpp_parser_expand_token_list) and that
function itself must be augmented to be made aware of the semantics of the
"defined" operator.
The reason we can't simply handle "defined" outside of the recursive expansion
function is that not only must we scan for any "defined" operators in the
original condition (before any macro expansion occurs); but at each level of
the recursive expansion, we must again scan the list of tokens resulting from
expansion and handle "defined" before entering the next level of recursion to
further expand macros.
And of course, all of this is context dependent. The evaluation of "defined"
operators must only happen when we are handling preprocessor conditionals,
(#if and #elif) and not when performing any other expansion, (such as in the
main body).
To implement this, we add a new "mode" parameter to all of the expansion
functions to specify whether resulting DEFINED tokens should be evaluated or
ignored.
One side benefit of this change is that an ugly wart in the grammar is
removed. We previously had "conditional_token" and "conditional_tokens"
productions that were basically copies of "pp_token" and "pp_tokens" but with
added productions for the various forms of DEFINED operators. With the new
code here, those ugly copy-and-paste productions are eliminated from the
grammar.
A new "make check" test is added to stress-test the code here.
This commit fixes the following Khronos GLES3 CTS tests:
conditional_inclusion.basic_2_vertex
conditional_inclusion.basic_2_fragment
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Previously, we were passing these through, just like any other pragma. But the
downstream compiler was tripping up on them. It seems easier to swallow these
in the preprocessor and not pass them on at all rather than fixing the
downstream compiler.
This fixes the following Khronos GLES3 CTS tests:
preprocessor.pragmas.pragma_vertex
preprocessor.pragmas.pragma_fragment
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Previously, the #pragma directive was swallowing an entire line, (including
the final newline). At that time it was appropriate for it to increment the
line count.
More recently, our handling of #pragma changed to not include the newline. But
the code to increment yylineno stuck around. This was causing __LINE__ to be
increased by one more than desired for every #pragma.
Remove the bogus, extra increment, and add a test for this case.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This new "make check" test stresses out the support from the last two commits,
(to esnure that '#' is correctly interpreted as the null directives,
regardless of any whitespace or comments on the same line).
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This is the fix for the following line:
# // comment to ignore here
According to the translation-phase rules, the comment should be removed before
the preprocessor looks to interpret the null directive.
So in our implementation we must explicitly look for single-line comments in
the <HASH> start condition as well.
This commit fixes the following Khronos GLES3 CTS tests:
null_directive_vertex
null_directive_fragment
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This simply tests the previous commit, (that #define followed by a comment
will still generate the expected "#define without macro name" error message).
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
We were already correctly supporting single-line comments in case like:
#define FOO bar // comment here...
The new support added here is simply for the none-too-useful:
#define // comment instead of macro name
With this commit, this line will now give the expected "#define without
macro name" error message instead of the lexer just going off into the
weeds.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This ensures that the previous commit indeed generates the expected error
message when a "#define" directive is not followed by anything except for a
newline.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Previously, glcpp would emit an error like this if <EOF> happened to occur
immediately after the "#define", but in general would just get confused,
(leading to un-helpful error messages).
To fix things to generate a clean error message, we do a few things:
1. Don't require horizontal whitespace immediately after #define
2. Add a production for the error case, (DEFINE_TOKEN followed
immediately by a NEWLINE token).
3. Make the lexer reset to the <INITIAL> state after every NEWLINE.
This 3rd point prevents the lexer from getting so confused and generating
further spurious errors in the file because it was stuck in the <DEFINE> start
condition.
We also drop the similar error message from the <EOF> rule since the
newly-added rule will have already printed the error message.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Listing the GLSL version as an individual component of a GL version,
separate from the extensions isn't really right. The GLSL changes are
(almost?) entirely comprised of changes listed in the extensions.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
I think OpenVMS was the only platform that Mesa ran on that used a
non-IEEE representation for floats. We removed OpenVMS support a while
back, and this should alleviate the need to continue updating the
this-platform-uses-IEEE list.
The one bit of this patch that needs review is the IS_INF_OR_NAN,
because I'm not sure if MSVC supports isfinite.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82268
Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Future patches will rearrange the values in gl_system_value, and I want
to catch errors. Designated initializers would make all of this
unnecessary.
v2: Don't use STATIC_ASSERT. Not only does it not work, but GCC doesn't
tell you that it's not going to work. Thanks for nothing!
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Future patches will necessitate changes to the table, and I only want to
update one.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Due to the destination register width of 1 or 2, these instructions get
ExecSize 1 or 2. But dir and offset (used as src0) are both registers
of width 4, violating the execsize >= width assertion.
I honestly don't think this could have ever worked.
Fixes Piglit's polygon-offset and polygon-mode-offset tests on Gen4-5.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=70441
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Chris Forbes <chrisf@ijw.co.nz>
Current version can create ir_expression where operands have
different base type, patch adds support for unsigned type.
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
https://bugs.freedesktop.org/show_bug.cgi?id=80880
Red-only formats should be x001 and RG formats should be xy01.
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
If the vertex shader has no position but the gs has, the clipvertex output
was -1 (because it's the same as vs position in this case if there's no
explicit clipvertex output). This caused crashes (or assertion failures) in
clipping since in the end position (which came from gs) was different from
cv (-1) and we then tried to use the bogus cv input.
Rather than just test for -1 cv value in clipping, make it explicitly return
the position output of the gs instead which seems cleaner (since we really
don't want to use the clipvertex value from the vs (it could be a valid value
in the (unsupported) case of vs writing clipvertex but still using a gs).
This fixes piglit shader_runner clip-distance-out-values.shader_test.
Reviewed-by: Zack Rusin <zackr@vmware.com>
The clip stage may crash if there's no position output, for this reason
code was added to avoid running the pipeline stages in this case
(c7c7186045). However, this failed to actually
work when there was a geometry shader, since unlike the vertex shader it did
not initialize the position output to -1, hence the code trying to detect
this didn't trigger. So simply initialize the position output to -1 just like
the vs does.
This fixes piglit glsl-1.50-transform-feedback-type-and-size (segfault->pass).
clip-distance-out-values.shader_test goes from segfault to assertion failure,
suggesting more fixes are needed, no other piglit changes.
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>
This patch fixes this build error on Mac OS X.
./xmlconfig.h:61:5: error: unknown type name 'uint'; did you mean 'int'?
uint nRanges; /**< \brief Number of ranges */
^~~~
int
./xmlconfig.h:79:5: error: unknown type name 'uint'; did you mean 'int'?
uint tableSize;
^~~~
int
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
Again, we delete a lot of functions that aren't really doing anything
interesting anymore.
v2: Comment the texstore_rgba_integer function
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit also removes a bunch of functions which aren't doing anything
more interesting than the general path does.
v2: Better comment the texstore_via_float function
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This should be both faster and more accurate than our general slow-path of
converting everything to float.
v2: Add a comment to top of the texstore_swizzle function
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit splits the texture storage into three functions:
texstore_depth_stencil, texstore_compressed, and texstore_rgba. Right now
this split seems artificial since we just have one function pointer per
format and there is no difference between these three categories. However,
this split makes it much easier to write a more general function upload
path for one of these categories than the current function pointers.
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commits adds the _mesa_format_to_array function that determines if the
given format can be represented as an array format and computes the array
format parameters. This is a direct helper function for using
_mesa_swizzle_and_convert
v2: Better documentation and commit message
v3: Fixed a potential segfault from an invalid endianness swizzle
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Most format conversion operations required by GL can be performed by
converting one channel at a time, shuffling the channels around, and
optionally filling missing channels with zeros and ones. This adds a
function to do just that in a general, yet efficient, way.
v2:
* Add better comments including full docs for functions
* Don't use __typeof__
* Use inline helpers instead of writing out conversions by hand,
* Force full loop unrolling for better performance
v3: Add another set of parens around the MAX_INT macro
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
v2: Move the MESA_FORMAT_SWIZZLE enum to the top of the file
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Mesa hasn't supported color-indexed textures for some time. This is 0 for
all texture formats, so we don't need to store it.
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Instead of a having all of the format metadata in a gigantic hard-to-edit
array of type struct format_info, we now have a human-readable CSV file.
The CSV file also contains more format information than the format_info
struct contained so we can potentially make format_info more detailed later.
The python to generate the format information was added the previous
commit. This commit turns it on in both automake and scons builds.
v2: Split into two commits and stuff to generate format_info.c from scons
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This adds a python script called format_info.py that is used to generate a
single format_info.c file that contains the filled-out format_info array.
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
The basic concept for the format parser was taken from the format CSV
parser in gallium/auxilliary/util. However, this one has been altered in a
number of ways:
* Removed big endian vs. little endian stuff (mesa doesn't need it)
* Better documentation: Almost every method has a full docstring
* An actual Swizzle class with methods for composition and inverses
* Over-all cleaner (in my opinion) implementation and class interactions
* A few bug fixes
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
