mirror of
https://gitee.com/openharmony/third_party_mesa3d
synced 2024-11-27 01:20:36 +00:00
1a14d98fa2
Reviewed-by: Connor Abbott <cwabbott0@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11438>
152 lines
4.5 KiB
Python
152 lines
4.5 KiB
Python
# Copyright © 2021 Intel Corporation
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a
|
|
# copy of this software and associated documentation files (the
|
|
# "Software"), to deal in the Software without restriction, including
|
|
# without limitation the rights to use, copy, modify, merge, publish,
|
|
# distribute, sub license, and/or sell copies of the Software, and to
|
|
# permit persons to whom the Software is furnished to do so, subject to
|
|
# the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice (including the
|
|
# next paragraph) shall be included in all copies or substantial portions
|
|
# of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
|
|
# IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
|
|
# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
import docutils.nodes
|
|
import mako.template
|
|
import os
|
|
import sphinx
|
|
from sphinx.directives import SphinxDirective
|
|
from sphinx.domains import Domain
|
|
from sphinx.util.nodes import make_refnode
|
|
import sys
|
|
import textwrap
|
|
|
|
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
|
|
MESA_DIR = os.path.join(THIS_DIR, '..', '..')
|
|
NIR_PATH = os.path.join(MESA_DIR, 'src', 'compiler', 'nir')
|
|
sys.path.append(NIR_PATH)
|
|
|
|
import nir_opcodes
|
|
|
|
OP_DESC_TEMPLATE = mako.template.Template("""
|
|
<%
|
|
def src_decl_list(num_srcs):
|
|
return ', '.join('nir_ssa_def *src' + str(i) for i in range(num_srcs))
|
|
|
|
def to_yn(b):
|
|
return 'Y' if b else 'N'
|
|
%>
|
|
|
|
**Properties:**
|
|
|
|
.. list-table::
|
|
:header-rows: 1
|
|
|
|
* - Per-component
|
|
- Associative
|
|
- 2-src commutative
|
|
* - ${to_yn(op.output_size == 0)}
|
|
- ${to_yn('associative' in op.algebraic_properties)}
|
|
- ${to_yn('2src_commutative' in op.algebraic_properties)}
|
|
|
|
**Constant-folding:**
|
|
|
|
.. code-block:: c
|
|
|
|
${textwrap.indent(op.const_expr, ' ')}
|
|
|
|
**Builder function:**
|
|
|
|
.. c:function:: nir_ssa_def *nir_${op.name}(nir_builder *, ${src_decl_list(op.num_inputs)})
|
|
""")
|
|
|
|
def parse_rst(state, parent, rst):
|
|
vl = docutils.statemachine.ViewList(rst.splitlines())
|
|
state.nested_parse(vl, 0, parent)
|
|
|
|
def nir_alu_type_name(t, s):
|
|
if s:
|
|
return '{}[{}]'.format(t, s)
|
|
else:
|
|
return '{}[N]'.format(t)
|
|
|
|
def build_alu_op_desc(state, env, op):
|
|
desc = sphinx.addnodes.desc(domain='nir', objtype='aluop')
|
|
|
|
# Add the signature
|
|
sig = sphinx.addnodes.desc_signature()
|
|
desc.append(sig)
|
|
sig += sphinx.addnodes.desc_name(op.name, op.name)
|
|
|
|
params = sphinx.addnodes.desc_parameterlist()
|
|
for i, t, s in zip(range(100), op.input_types, op.input_sizes):
|
|
params += docutils.nodes.Text(nir_alu_type_name(t, s) + ' ')
|
|
params += sphinx.addnodes.desc_parameter('', 'src' + str(i))
|
|
sig += params
|
|
|
|
sig += sphinx.addnodes.desc_returns('',
|
|
nir_alu_type_name(op.output_type, op.output_size))
|
|
|
|
nir_domain = env.get_domain('nir')
|
|
sig['ids'].append(nir_domain.add_alu_op_ref(op))
|
|
|
|
# Build the description
|
|
content = sphinx.addnodes.desc_content()
|
|
desc.append(content)
|
|
parse_rst(state, content, OP_DESC_TEMPLATE.render(op=op, textwrap=textwrap))
|
|
|
|
return desc
|
|
|
|
class NIRALUOpcodesDirective(SphinxDirective):
|
|
def run(self):
|
|
return [build_alu_op_desc(self.state, self.env, op)
|
|
for op in nir_opcodes.opcodes.values()]
|
|
|
|
class NIRDomain(Domain):
|
|
"""A new NIR directive
|
|
|
|
To list all NIR ALU opcodes with their descriptions:
|
|
```rst
|
|
.. nir:alu-opcodes::
|
|
```
|
|
|
|
To reference a NIR opcode, ``:nir:alu-op:`fadd```
|
|
"""
|
|
name = 'nir'
|
|
roles = {
|
|
'alu-op' : sphinx.roles.XRefRole(),
|
|
}
|
|
directives = {
|
|
'alu-opcodes' : NIRALUOpcodesDirective,
|
|
}
|
|
initial_data = {
|
|
'alu-op-refs': [],
|
|
}
|
|
|
|
def add_alu_op_ref(self, op):
|
|
"""Add reference to an ALU op."""
|
|
self.data['alu-op-refs'].append((op.name, self.env.docname))
|
|
return 'nir-alu-op-' + op.name
|
|
|
|
def resolve_xref(self, env, fromdocname, builder, typ, target, node,
|
|
contnode):
|
|
for opname, todocname in self.data['alu-op-refs']:
|
|
if target == opname:
|
|
targ = 'nir-alu-op-' + opname
|
|
return make_refnode(builder, fromdocname, todocname, targ,
|
|
contnode, targ)
|
|
|
|
return None
|
|
|
|
def setup(app):
|
|
app.add_domain(NIRDomain)
|