| 0,0 → 1,230 |
|---|
| #!/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_initialize_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 = { |
| 'dynamic': None, |
| 'mesa': '_mesa_', |
| 'skip': None, |
| } |
| |
| |
| header = """/** |
| * \\file api_exec.c |
| * Initialize dispatch table. |
| */ |
| |
| |
| #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/blit.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/compute.h" |
| #include "main/condrender.h" |
| #include "main/context.h" |
| #include "main/convolve.h" |
| #include "main/copyimage.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/genmipmap.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/objectlabel.h" |
| #include "main/performance_monitor.h" |
| #include "main/pipelineobj.h" |
| #include "main/pixel.h" |
| #include "main/pixelstore.h" |
| #include "main/points.h" |
| #include "main/polygon.h" |
| #include "main/program_resource.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/textureview.h" |
| #include "main/transformfeedback.h" |
| #include "main/mtypes.h" |
| #include "main/varray.h" |
| #include "main/viewport.h" |
| #include "main/shaderapi.h" |
| #include "main/shaderimage.h" |
| #include "main/uniforms.h" |
| #include "main/syncobj.h" |
| #include "main/formatquery.h" |
| #include "main/dispatch.h" |
| #include "main/vdpau.h" |
| #include "vbo/vbo.h" |
| |
| |
| /** |
| * 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; |
| |
| exec = ctx->Exec; |
| assert(exec != NULL); |
| |
| assert(ctx->Version > 0); |
| |
| vbo_initialize_exec_dispatch(ctx, exec); |
| """ |
| |
| |
| footer = """ |
| } |
| """ |
| |
| |
| 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_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'] > 2.0: |
| condition_parts.append('(ctx->API == API_OPENGLES2 && ctx->Version >= {0})'.format(int(f.api_map['es2'] * 10))) |
| 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 ' }' |
| |
| |
| 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) |