| Commit message (Collapse) | Author | Age | Files | Lines |
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This is only in libstandalone currently because it will only be used in
the stand-alone compiler.
v2: Change the signature of the generated function. The ir_factory is
created in the generator, and an availability predicate is taken as a
parameter.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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This is ported from GLSL and converts
if (cond)
discard;
into
discard_if(cond);
This removes a block, but also is needed by radv
to workaround a bug in the LLVM backend.
v2: handle if (a) discard_if(b) (nha)
cleanup and drop pointless loop (Matt)
make sure there are no dependent phis (Eric)
v3: make sure only one instruction in the then block.
v4: remove sneaky tabs, add cursor init (Eric)
Reviewed-by: Eric Anholt <[email protected]>
Cc: "13.0" <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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Otherwise it'll be missing from the tarball.
Fixes: 094fe3a9591 ("nir: move nir_shader_info to a common compiler header")
Signed-off-by: Emil Velikov <[email protected]>
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This temporary helper is no longer needed now that we have finished
refactoring common shader metadata.
Reviewed-by: Jason Ekstrand <[email protected]>
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This function is added here to ease refactoring towards using the new shared
shader_info. Once refactoring is complete and values are set directly it
will be removed.
We call it from _mesa_copy_linked_program_data() rather than glsl_to_nir()
so that the values will be set for all drivers. In order to do this some
calls need to be moved around so that we make sure to call
do_set_program_inouts() before _mesa_copy_linked_program_data()
Reviewed-by: Jason Ekstrand <[email protected]>
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Once upon a time, this was used to extract prototypes from the shader
containing GLSL built-in functions. This was removed by f5692f45 in
November 2010 for Mesa 7.10.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
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This code provides for an on-disk cache of objects. Objects are stored
and retrieved via names that are arbitrary 20-byte sequences,
(intended to be SHA-1 hashes of something identifying for the
content). The directory used for the cache can be specified by means
of environment variables in the following priority order:
$MESA_GLSL_CACHE_DIR
$XDG_CACHE_HOME/mesa
<user-home-directory>/.cache/mesa
By default the cache will be limited to a maximum size of 1GB. The
environment variable:
$MESA_GLSL_CACHE_MAX_SIZE
can be set (at the time of GL context creation) to choose some other
size. This variable is a number that can optionally be followed by
'K', 'M', or 'G' to select a size in kilobytes, megabytes, or
gigabytes. By default, an unadorned value will be interpreted as
gigabytes.
The cache will be entirely disabled at runtime if the variable
MESA_GLSL_CACHE_DISABLE is set at the time of GL context creation.
Many thanks to Kristian Høgsberg <[email protected]> for the initial
implementation of code that led to this patch. In particular, the idea
of using an mmapped file, (indexed by a portion of the SHA-1), for the
efficent implementation of cache_has_key was entirely his
idea. Kristian also provided some very helpful advice in discussions
regarding various race conditions to be avoided in this code.
Signed-off-by: Timothy Arceri <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Immediately previous to this patch,
diff -wud src/glsl/ir_constant_expression.cpp \
src/glsl/ir_expression_operation_constant.h
should be "minimal."
v3: With much help from José Fonseca, fix the SCons build.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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'diff -ud' is clean.
v2: Massive rebase.
v3: With much help from José Fonseca, fix the SCons build.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Acked-by: Dylan Baker <[email protected]>
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No change except to the copyright symbol. The next patch will generate
this file with Python, and Unicode + Python = pure rage.
v2: Massive rebase.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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There are differences in where end-of-line comments are placed, but
'diff -wud' is clean.
v2: Massive rebase.
v3: With much help from José Fonseca, fix SCons build.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Acked-by: Dylan Baker <[email protected]>
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Many GPUs cannot handle GL_KHR_blend_equation_advanced natively, and
need to emulate it in the pixel shader. This lowering pass implements
all the necessary math for advanced blending. It fetches the existing
framebuffer value using the MESA_shader_framebuffer_fetch built-in
variables, and the previous commit's state var uniform to select
which equation to use.
This is done at the GLSL IR level to make it easy for all drivers to
implement the GL_KHR_blend_equation_advanced extension and share code.
Drivers need to hook up MESA_shader_framebuffer_fetch functionality:
1. Hook up the fb_fetch_output variable
2. Implement BlendBarrier()
Then to get KHR_blend_equation_advanced, they simply need to:
3. Disable hardware blending based on ctx->Color._AdvancedBlendEnabled
4. Call this lowering pass.
Very little driver specific code should be required.
v2: Handle multiple output variables per render target (which may exist
due to ARB_enhanced_layouts), and array variables (even with one
render target, we might have out vec4 color[1]), and non-vec4
variables (it's easier than finding spec text to justify not
handling it). Thanks to Francisco Jerez for the feedback.
v3: Lower main returns so that we have a single exit point where we
can add our blending epilogue (caught by Francisco Jerez).
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Francisco Jerez <[email protected]>
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vc4 wants to have per-scalar IO load/stores so that dead code elimination
can happen on a more granular basis, which it has been doing in the
backend using a multiplication by 4 of the intrinsic's driver_location.
We can represent it properly in the NIR using the first_component field,
though.
Reviewed-by: Kenneth Graunke <[email protected]>
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No change except to the copyright symbol. The next patch will generate
this file with Python, and Unicode + Python = pure rage.
v2: Massive rebase... I guess a lot can change in a year.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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This pass is similar to propagate_invariance in the GLSL compiler. The
real "output" of this pass is that any algebraic operations which are
eventually consumed by an invariant variable get marked as "exact".
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Cc: "12.0" <[email protected]>
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Signed-off-by: Jason Ekstrand <[email protected]>
Cc: "12.0" <[email protected]>
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Fixes: dfbae7d64f4 ("nir/algebraic: support for power-of-two
optimizations")
Signed-off-by: Emil Velikov <[email protected]>
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Right now libglsl.la depends on libnir.la so putting it in libnir.la
adds a dependency on libglsl.la that goes the wrong direction.
Reviewed-by: Emil Velikov <[email protected]>
Reviewed-by: Kristian Høgsberg <[email protected]>
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Split standalone glsl_compiler into a libstandalone.la and a thin
main.cpp. This way drivers can re-use the glsl standalone frontend in
their own standalone compilers.
Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
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nir_lower_wpos_ytransform() is great for OpenGL, which allows
applications to choose whether their coordinate system's origin is
upper left/lower left, and whether the pixel center should be on
integer/half-integer boundaries.
Vulkan, however, has much simpler requirements: the pixel center
is always half-integer, and the origin is always upper left. No
coordinate transform is needed - we just need to add <0.5, 0.5>.
This means that we can avoid using (and setting up) a uniform.
I thought about adding more options to nir_lower_wpos_ytransform(),
but making a new pass that never even touched uniforms seemed simpler.
v2: Use normal iterator rather than _safe variant (noticed by Matt).
Signed-off-by: Kenneth Graunke <[email protected]>
Acked-by: Rob Clark <[email protected]>
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This just renames the file in anticipation of adding cull lowering,
and renames the internals.
Signed-off-by: Tobias Klausmann <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Reviewed-by: Edward O'Callaghan <[email protected]>
Reviewed-by: Kristian Høgsberg <[email protected]>
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Since it will gain support to lower inputs, give it a more generic name.
Signed-off-by: Rob Clark <[email protected]>
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A pass to lower complex (struct/array/mat) inputs/outputs to primitive
types. This allows, for example, linking that removes unused components
of a larger type which is not indirectly accessed.
In the near term, it is needed for gallium (mesa/st) support for NIR,
since only used components of a type are assigned VBO slots, and we
otherwise have no way to represent that to the driver backend. But it
should be useful for doing shader linking in NIR.
v2: use glsl_count_attribute_slots() rather than passing a type_size
fxn pointer
Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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Handled by tgsi_emulate for glsl->tgsi case.
Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Signed-off-by: Emil Velikov <[email protected]>
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Handled by tgsi_emulate for glsl->tgsi case.
Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
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v2: Move to compiler/nir (Iago)
v3: Use nir_imm_int() to load the constants (Sam)
v4 (Sam):
- Undo line-wrap (Jason).
- Fix comment (Jason).
- Improve generated code for get_signed_inf() function (Connor).
Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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While it does rely on NIR, it's not really part of the NIR core. At the
moment, it still builds as part of libnir but that can be changed later if
desired.
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v2: Undo unintended change to the signature of
nir_normalize_cubemap_coords (Iago).
v3: Move to compiler/nir (Iago)
v4: Remove Authors from copyright header (Michael Schellenberger)
v5 (Sam):
- Use nir_channel() and nir_ssa_for_alu_src() helpers (Jason)
- Inline lower_double_pack_instr() code into lower_double_pack_block()
(Jason).
- Initialize nir_builder at lower_double_pack_impl() (Jason).
Signed-off-by: Iago Toral Quiroga <[email protected]>
Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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Reviewed-by: Rob Clark <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Rob Clark <[email protected]>
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This commit adds a new NIR pass that lowers all function calls away by
inlining the functions.
Reviewed-by: Jordan Justen <[email protected]>
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This commit adds a NIR pass for lowering away returns in functions. If the
return is in a loop, it is lowered to a break. If it is not in a loop,
it's lowered away by moving/deleting code as needed.
Reviewed-by: Jordan Justen <[email protected]>
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Reviewed-by: Jordan Justen <[email protected]>
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Right now, we have phi placement code in two places and there are other
places where it would be nice to be able to do this analysis. Instead of
repeating it all over the place, this commit adds a helper for placing all
of the needed phi nodes for a value.
v2: Add better documentation
Reviewed-by: Jordan Justen <[email protected]>
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Reviewed-by: Francisco Jerez <[email protected]>
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This new pass lowers load/store_var intrinsics that act on indirect derefs
to if-ladder of direct load/store_var intrinsics. The if-ladders perform a
simple binary search on the indirect.
Reviewed-by: Connor Abbott <[email protected]>
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This pulls in the patches that move all of the compiler stuff around
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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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Signed-off-by: Emil Velikov <[email protected]>
Acked-by: Matt Turner <[email protected]>
Acked-by: Jose Fonseca <[email protected]>
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At a later stage we might want to split out the NIR specific [XXX:
which one was it], as to make things move obvious and rename the files
appropriately. This patch aims to split it out of nir.
Signed-off-by: Emil Velikov <[email protected]>
Acked-by: Matt Turner <[email protected]>
Acked-by: Jose Fonseca <[email protected]>
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Allows us to remove the SCons workaround :-)
Signed-off-by: Emil Velikov <[email protected]>
Acked-by: Matt Turner <[email protected]>
Acked-by: Jose Fonseca <[email protected]>
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