0,0 → 1,219 |
#!/usr/bin/env python |
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# Copyright (C) 2012 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, sublicense, |
# 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 NONINFRINGEMENT. IN NO EVENT SHALL |
# THE AUTHORS OR COPYRIGHT HOLDERS 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. |
|
# This script generates the file api_exec.c, which contains |
# _mesa_initialize_exec_table(). It is responsible for populating all |
# entries in the "exec" dispatch table that aren't dynamic. |
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import collections |
import license |
import gl_XML |
import sys, getopt |
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exec_flavor_map = { |
'dynamic': None, |
'mesa': '_mesa_', |
'skip': None, |
} |
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header = """/** |
* \\file api_exec.c |
* Initialize dispatch table. |
*/ |
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#include "main/accum.h" |
#include "main/api_loopback.h" |
#include "main/api_exec.h" |
#include "main/arbprogram.h" |
#include "main/atifragshader.h" |
#include "main/attrib.h" |
#include "main/blend.h" |
#include "main/bufferobj.h" |
#include "main/arrayobj.h" |
#include "main/buffers.h" |
#include "main/clear.h" |
#include "main/clip.h" |
#include "main/colortab.h" |
#include "main/condrender.h" |
#include "main/context.h" |
#include "main/convolve.h" |
#include "main/depth.h" |
#include "main/dlist.h" |
#include "main/drawpix.h" |
#include "main/drawtex.h" |
#include "main/rastpos.h" |
#include "main/enable.h" |
#include "main/errors.h" |
#include "main/es1_conversion.h" |
#include "main/eval.h" |
#include "main/get.h" |
#include "main/feedback.h" |
#include "main/fog.h" |
#include "main/fbobject.h" |
#include "main/framebuffer.h" |
#include "main/hint.h" |
#include "main/histogram.h" |
#include "main/imports.h" |
#include "main/light.h" |
#include "main/lines.h" |
#include "main/matrix.h" |
#include "main/multisample.h" |
#include "main/pixel.h" |
#include "main/pixelstore.h" |
#include "main/points.h" |
#include "main/polygon.h" |
#include "main/querymatrix.h" |
#include "main/queryobj.h" |
#include "main/readpix.h" |
#include "main/samplerobj.h" |
#include "main/scissor.h" |
#include "main/stencil.h" |
#include "main/texenv.h" |
#include "main/texgetimage.h" |
#include "main/teximage.h" |
#include "main/texgen.h" |
#include "main/texobj.h" |
#include "main/texparam.h" |
#include "main/texstate.h" |
#include "main/texstorage.h" |
#include "main/texturebarrier.h" |
#include "main/transformfeedback.h" |
#include "main/mtypes.h" |
#include "main/varray.h" |
#include "main/viewport.h" |
#include "main/shaderapi.h" |
#include "main/uniforms.h" |
#include "main/syncobj.h" |
#include "main/formatquery.h" |
#include "main/dispatch.h" |
#include "vbo/vbo.h" |
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/** |
* Initialize a context's exec table with pointers to Mesa's supported |
* GL functions. |
* |
* This function depends on ctx->Version. |
* |
* \param ctx GL context to which \c exec belongs. |
*/ |
void |
_mesa_initialize_exec_table(struct gl_context *ctx) |
{ |
struct _glapi_table *exec; |
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exec = ctx->Exec; |
assert(exec != NULL); |
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assert(ctx->Version > 0); |
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vbo_initialize_exec_dispatch(ctx, exec); |
""" |
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footer = """ |
} |
""" |
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class PrintCode(gl_XML.gl_print_base): |
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def __init__(self): |
gl_XML.gl_print_base.__init__(self) |
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self.name = 'gl_genexec.py' |
self.license = license.bsd_license_template % ( |
'Copyright (C) 2012 Intel Corporation', |
'Intel Corporation') |
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def printRealHeader(self): |
print header |
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def printRealFooter(self): |
print footer |
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def printBody(self, api): |
# Collect SET_* calls by the condition under which they should |
# be called. |
settings_by_condition = collections.defaultdict(lambda: []) |
for f in api.functionIterateAll(): |
if f.exec_flavor not in exec_flavor_map: |
raise Exception( |
'Unrecognized exec flavor {0!r}'.format(f.exec_flavor)) |
condition_parts = [] |
if f.desktop: |
if f.deprecated: |
condition_parts.append('ctx->API == API_OPENGL_COMPAT') |
else: |
condition_parts.append('_mesa_is_desktop_gl(ctx)') |
if 'es1' in f.api_map: |
condition_parts.append('ctx->API == API_OPENGLES') |
if 'es2' in f.api_map: |
if f.api_map['es2'] == 3: |
condition_parts.append('_mesa_is_gles3(ctx)') |
else: |
condition_parts.append('ctx->API == API_OPENGLES2') |
if not condition_parts: |
# This function does not exist in any API. |
continue |
condition = ' || '.join(condition_parts) |
prefix = exec_flavor_map[f.exec_flavor] |
if prefix is None: |
# This function is not implemented, or is dispatched |
# dynamically. |
continue |
settings_by_condition[condition].append( |
'SET_{0}(exec, {1}{0});'.format(f.name, prefix, f.name)) |
# Print out an if statement for each unique condition, with |
# the SET_* calls nested inside it. |
for condition in sorted(settings_by_condition.keys()): |
print ' if ({0}) {{'.format(condition) |
for setting in sorted(settings_by_condition[condition]): |
print ' {0}'.format(setting) |
print ' }' |
|
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def show_usage(): |
print "Usage: %s [-f input_file_name]" % sys.argv[0] |
sys.exit(1) |
|
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if __name__ == '__main__': |
file_name = "gl_and_es_API.xml" |
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try: |
(args, trail) = getopt.getopt(sys.argv[1:], "m:f:") |
except Exception,e: |
show_usage() |
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for (arg,val) in args: |
if arg == "-f": |
file_name = val |
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printer = PrintCode() |
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api = gl_XML.parse_GL_API(file_name) |
printer.Print(api) |