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| -rw-r--r-- | src/mapi/glapi/gen/gl_genexec.py | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/mapi/glapi/gen/gl_genexec.py b/src/mapi/glapi/gen/gl_genexec.py new file mode 100644 index 00000000000..adfa5957ef0 --- /dev/null +++ b/src/mapi/glapi/gen/gl_genexec.py @@ -0,0 +1,222 @@ +#!/usr/bin/env python + +# 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_create_exec_table(). It is responsible for populating all +# entries in the "exec" dispatch table that aren't dynamic. + +import collections +import license +import gl_XML +import sys, getopt + + +exec_flavor_map = { + 'check': '_check_', + 'dynamic': None, + 'es': '_es_', + 'loopback': 'loopback_', + 'mesa': '_mesa_', + 'skip': None, + } + + +header = """/** + * \\file api_exec.c + * Initialize dispatch table. + */ + + +#include "main/mfeatures.h" +#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/dispatch.h" + + +/** + * Initialize a dispatch table with pointers to Mesa's immediate-mode + * commands. + * + * Pointers to glBegin()/glEnd() object commands and a few others + * are provided via the GLvertexformat interface. + * + * \param ctx GL context to which \c exec belongs. + * \param exec dispatch table. + */ +struct _glapi_table * +_mesa_create_exec_table(struct gl_context *ctx) +{ + struct _glapi_table *exec; + + exec = _mesa_alloc_dispatch_table(_gloffset_COUNT); + if (exec == NULL) + return NULL; + +""" + + +footer = """ + return exec; +} +""" + + +class PrintCode(gl_XML.gl_print_base): + + def __init__(self): + gl_XML.gl_print_base.__init__(self) + + self.name = 'gl_genexec.py' + self.license = license.bsd_license_template % ( + 'Copyright (C) 2012 Intel Corporation', + 'Intel Corporation') + + def printRealHeader(self): + print header + + def printRealFooter(self): + print footer + + 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') + 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}{2});'.format(f.name, prefix, f.mesa_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 ' }' + + +def show_usage(): + print "Usage: %s [-f input_file_name]" % sys.argv[0] + sys.exit(1) + + +if __name__ == '__main__': + file_name = "gl_and_es_API.xml" + + try: + (args, trail) = getopt.getopt(sys.argv[1:], "m:f:") + except Exception,e: + show_usage() + + for (arg,val) in args: + if arg == "-f": + file_name = val + + printer = PrintCode() + + api = gl_XML.parse_GL_API(file_name) + printer.Print(api) |