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This will be used by the Mesa IR and likely most HW backends, as it
allows other optimizations to occur that might not otherwise.
Fixes glsl-vs-mat-sub-1, glsl-vs-mat-div-1.
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This feels a little odd, but it will be useful for ir_mat_to_vec,
where I want to see a plain assignment of the expression to a
variable, not to a writemasked array dereference with a call as the
array index.
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It would be easy to miss an entry either of the two visitors involved
that would result in trying to ir->remove() the call to remove it from
the instruction stream when really it's part of an expression tree
that wasn't flattened.
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Previously, code like ivec4(mat2(...)) would fail because the compiler
would naively try to convert a mat2 to an imat2...which doesn't exist.
Now, a separate pass breaks such matrices down to their columns, which
can be converted from vec2 to ivec2.
Fixes piglit tests constructor-11.vert, constructor-14.vert,
constructor-15.vert, and CorrectConstFolding2.frag.
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This has no functional changes.
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This case is already caught by a later check that ensures sufficient
components were provided, based on the type.
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In particular, with foreach_list_safe, one can remove and free the current
node without crashes; if new nodes are added after the current node,
they will be properly visited as well.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
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Most places in the code simply use a static name, which works because
names are never used to look up an ir_variable. generate_temporary is
simply unnecessary (and looks like it would leak memory, and isn't
thread safe...)
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Previously, a register defined at main scope and used in a loop in a
loop could end up getting marked as needed only from the definition
outside of the loops to the end of the inner loop, and we would
cleverly slot in something else in its register in the end of the
outer loop.
Fixes glsl-vs-loop-nested and glsl-fs-loop-nested on glsl2. This
doesn't happen much on master because the original compiler does its
own register allocation, so we find little we can do with linear scan
register (re)allocation.
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It was changed in 2009 and the comment wasn't updated.
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Fixes glsl-fs-pointcoord on swrast (remains broken on 965, like master)
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This allows array derefs of matrices now, which makes idr's GLSL demo
happy.
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This isn't really tested, but didn't break normal vector add/sub.
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Uses of the bits for allocation are offset by 16, and
VERT_BIT_GENERIC0 already has the 16 offset. As a result, it was
preventing the wrong thing from being allocated.
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caught by valgrind.
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rcp of an integer value did not produce the result you're looking for.
Instead, do the a * rcp(b) as float and truncate after. This mostly
fixes glsl-fs-loop-nested.
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initializer."
This change causes segfaults in other tests. A fix for both sets of
segfaults is coming.
This reverts commit d4d630b72c7b7f38074addda0f1b819608247d93.
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Fixes glsl-vs-texturematrix-1, and glsl-vs-texturematrix-2 on swrast.
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This allows function inlining making the following tests work even
without function calls implemented:
glsl-fs-functions-2
glsl-fs-functions-3
glsl-vs-functions
glsl-vs-functions-2
glsl-vs-functions-3
glsl-vs-vec4-indexing-5
(Note that those tests were designed to trigger actual function calls,
and this defeats them. However, those testcases ended up catching the
bug in the previous commit.)
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Fixes segfaults from use after free after the steal of ir nodes and
free of the compile context.
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This fixes a regression in the generated code from when I did the
ir_validate.cpp-driven rework of assignments.
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The Mesa IR needs this to support vector indexing correctly, and
hardware backends such as 915 would want this behavior as well.
Fixes glsl-vs-vec4-indexing-2.
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Nothing generates conditional moves yet.
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This is as opposed to returning the type of the base class of the hierarchy.
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Fixes "name lookup of 'c' changed" warning.
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Also handles matrix/vector and vector/matrix multiplication.
Fixes piglit tests const-matrix-multiply-01.frag,
const-matrix-multiply-02.frag, and const-vec-mat.frag.
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The test here is slightly different since we need to keep matrix
multiplication separate.
Fixes piglit tests const-vec-scalar-03.frag and const-mat-scalar-03.frag.
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Fixes piglit tests const-vec-scalar-04.frag and const-mat-scalar-04.frag.
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Fixes piglit tests const-vec-scalar-02.frag and const-mat-scalar-02.frag.
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Fixes piglit tests const-vec-scalar-01.frag, const-vec-scalar-05.frag,
and const-mat-scalar-01.frag.
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This makes it easy to check if there is a second argument.
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This is probably just a good idea, and will come in useful when
implementing things like matrix multiplication.
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