--- /dev/null
+#!/usr/bin/env python
+
+# (C) Copyright IBM Corporation 2005
+# All Rights Reserved.
+#
+# 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
+# on 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
+# IBM 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.
+#
+# Authors:
+# Ian Romanick <idr@us.ibm.com>
+
+import gl_XML, glX_XML, glX_proto_common, license
+import sys, getopt, string
+
+
+class PrintGlxDispatch_h(gl_XML.gl_print_base):
+ def __init__(self):
+ gl_XML.gl_print_base.__init__(self)
+
+ self.name = "glX_proto_recv.py (from Mesa)"
+ self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2005", "IBM")
+
+ self.header_tag = "_INDIRECT_DISPATCH_H_"
+ return
+
+
+ def printRealHeader(self):
+ self.printVisibility( "HIDDEN", "hidden" )
+ print 'struct __GLXclientStateRec;'
+ print ''
+ return
+
+
+ def printBody(self, api):
+ for func in api.functionIterateAll():
+ if not func.ignore and not func.vectorequiv:
+ if func.glx_rop != 0:
+ print 'extern HIDDEN void __glXDisp_%s(GLbyte * pc);' % (func.name)
+ print 'extern HIDDEN void __glXDispSwap_%s(GLbyte * pc);' % (func.name)
+ elif func.glx_sop != 0 or func.glx_vendorpriv != 0:
+ print 'extern HIDDEN int __glXDisp_%s(struct __GLXclientStateRec *, GLbyte *);' % (func.name)
+ print 'extern HIDDEN int __glXDispSwap_%s(struct __GLXclientStateRec *, GLbyte *);' % (func.name)
+
+ return
+
+
+class PrintGlxDispatchFunctions(glX_proto_common.glx_print_proto):
+ def __init__(self, do_swap):
+ gl_XML.gl_print_base.__init__(self)
+ self.name = "glX_proto_recv.py (from Mesa)"
+ self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2005", "IBM")
+
+ self.real_types = [ '', '', 'uint16_t', '', 'uint32_t', '', '', '', 'uint64_t' ]
+ self.do_swap = do_swap
+ return
+
+
+ def printRealHeader(self):
+ print '#include <X11/Xmd.h>'
+ print '#include <GL/gl.h>'
+ print '#include <GL/glxproto.h>'
+
+
+ # FIXME: Since this block will require changes as other
+ # FIXME: platforms are added, it should probably be in a
+ # FIXME: header file that is not generated by a script.
+
+ if self.do_swap:
+ print '#ifdef __linux__'
+ print '#include <byteswap.h>'
+ print '#elif defined(__OpenBSD__)'
+ print '#include <sys/endian.h>'
+ print '#define bswap_16 __swap16'
+ print '#define bswap_32 __swap32'
+ print '#define bswap_64 __swap64'
+ print '#else'
+ print '#include <sys/endian.h>'
+ print '#define bswap_16 bswap16'
+ print '#define bswap_32 bswap32'
+ print '#define bswap_64 bswap64'
+ print '#endif'
+
+ print '#include <inttypes.h>'
+ print '#include "indirect_size.h"'
+ print '#include "indirect_size_get.h"'
+ print '#include "indirect_dispatch.h"'
+ print '#include "glxserver.h"'
+ print '#include "indirect_util.h"'
+ print '#include "singlesize.h"'
+ print '#include "glapitable.h"'
+ print '#include "glapi.h"'
+ print '#include "glthread.h"'
+ print '#include "dispatch.h"'
+ print ''
+ print '#define __GLX_PAD(x) (((x) + 3) & ~3)'
+ print ''
+ print 'typedef struct {'
+ print ' __GLX_PIXEL_3D_HDR;'
+ print '} __GLXpixel3DHeader;'
+ print ''
+ print 'extern GLboolean __glXErrorOccured( void );'
+ print 'extern void __glXClearErrorOccured( void );'
+ print ''
+ print 'static const unsigned dummy_answer[2] = {0, 0};'
+ print ''
+ return
+
+
+ def printBody(self, api):
+ if self.do_swap:
+ self.emit_swap_wrappers(api)
+
+
+ for func in api.functionIterateByOffset():
+ if not func.ignore and not func.server_handcode and not func.vectorequiv and (func.glx_rop or func.glx_sop or func.glx_vendorpriv):
+ self.printFunction(func)
+
+ return
+
+
+ def printFunction(self, f):
+ if (f.glx_sop or f.glx_vendorpriv) and (len(f.get_images()) != 0):
+ return
+
+ if not self.do_swap:
+ base = '__glXDisp'
+ else:
+ base = '__glXDispSwap'
+
+ if f.glx_rop:
+ print 'void %s_%s(GLbyte * pc)' % (base, f.name)
+ else:
+ print 'int %s_%s(__GLXclientState *cl, GLbyte *pc)' % (base, f.name)
+
+ print '{'
+
+ if f.glx_rop or f.vectorequiv:
+ self.printRenderFunction(f)
+ elif f.glx_sop or f.glx_vendorpriv:
+ if len(f.get_images()) == 0:
+ self.printSingleFunction(f)
+ else:
+ print "/* Missing GLX protocol for %s. */" % (f.name)
+
+ print '}'
+ print ''
+ return
+
+
+ def swap_name(self, bytes):
+ return 'bswap_%u_array' % (8 * bytes)
+
+
+ def emit_swap_wrappers(self, api):
+ self.type_map = {}
+ already_done = [ ]
+
+ for t in api.typeIterate():
+ te = t.get_type_expression()
+ t_size = te.get_element_size()
+
+ if t_size > 1 and t.glx_name:
+
+ t_name = "GL" + t.name
+ self.type_map[ t_name ] = t.glx_name
+
+ if t.glx_name not in already_done:
+ real_name = self.real_types[t_size]
+
+ print 'static %s' % (t_name)
+ print 'bswap_%s( const void * src )' % (t.glx_name)
+ print '{'
+ print ' union { %s dst; %s ret; } x;' % (real_name, t_name)
+ print ' x.dst = bswap_%u( *(%s *) src );' % (t_size * 8, real_name)
+ print ' return x.ret;'
+ print '}'
+ print ''
+ already_done.append( t.glx_name )
+
+ for bits in [16, 32, 64]:
+ print 'static void *'
+ print 'bswap_%u_array( uint%u_t * src, unsigned count )' % (bits, bits)
+ print '{'
+ print ' unsigned i;'
+ print ''
+ print ' for ( i = 0 ; i < count ; i++ ) {'
+ print ' uint%u_t temp = bswap_%u( src[i] );' % (bits, bits)
+ print ' src[i] = temp;'
+ print ' }'
+ print ''
+ print ' return src;'
+ print '}'
+ print ''
+
+
+ def fetch_param(self, param):
+ t = param.type_string()
+ o = param.offset
+ element_size = param.size() / param.get_element_count()
+
+ if self.do_swap and (element_size != 1):
+ if param.is_array():
+ real_name = self.real_types[ element_size ]
+
+ swap_func = self.swap_name( element_size )
+ return ' (%-8s)%s( (%s *) (pc + %2s), %s )' % (t, swap_func, real_name, o, param.count)
+ else:
+ t_name = param.get_base_type_string()
+ return ' (%-8s)bswap_%-7s( pc + %2s )' % (t, self.type_map[ t_name ], o)
+ else:
+ if param.is_array():
+ return ' (%-8s)(pc + %2u)' % (t, o)
+ else:
+ return '*(%-8s *)(pc + %2u)' % (t, o)
+
+ return None
+
+
+ def emit_function_call(self, f, retval_assign, indent):
+ list = []
+
+ for param in f.parameterIterator():
+
+ if param.is_counter or param.is_image() or param.is_output or len(param.count_parameter_list):
+ location = param.name
+ else:
+ location = self.fetch_param(param)
+
+ list.append( '%s %s' % (indent, location) )
+
+
+ if len( list ):
+ print '%s %sCALL_%s( GET_DISPATCH(), (' % (indent, retval_assign, f.name)
+ print string.join( list, ",\n" )
+ print '%s ) );' % (indent)
+ else:
+ print '%s %sCALL_%s( GET_DISPATCH(), () );' % (indent, retval_assign, f.name)
+ return
+
+
+ def common_func_print_just_start(self, f, indent):
+ align64 = 0
+ need_blank = 0
+
+
+ f.calculate_offsets()
+ for param in f.parameterIterateGlxSend():
+ # If any parameter has a 64-bit base type, then we
+ # have to do alignment magic for the while thing.
+
+ if param.is_64_bit():
+ align64 = 1
+
+
+ # FIXME img_null_flag is over-loaded. In addition to
+ # FIXME being used for images, it is used to signify
+ # FIXME NULL data pointers for vertex buffer object
+ # FIXME related functions. Re-name it to null_data
+ # FIXME or something similar.
+
+ if param.img_null_flag:
+ print '%s const CARD32 ptr_is_null = *(CARD32 *)(pc + %s);' % (indent, param.offset - 4)
+ cond = '(ptr_is_null != 0) ? NULL : '
+ else:
+ cond = ""
+
+
+ type_string = param.type_string()
+
+ if param.is_image():
+ offset = f.offset_of( param.name )
+
+ print '%s %s const %s = (%s) %s(pc + %s);' % (indent, type_string, param.name, type_string, cond, offset)
+
+ if param.depth:
+ print '%s __GLXpixel3DHeader * const hdr = (__GLXpixel3DHeader *)(pc);' % (indent)
+ else:
+ print '%s __GLXpixelHeader * const hdr = (__GLXpixelHeader *)(pc);' % (indent)
+
+ need_blank = 1
+ elif param.is_counter or param.name in f.count_parameter_list:
+ location = self.fetch_param(param)
+ print '%s const %s %s = %s;' % (indent, type_string, param.name, location)
+ need_blank = 1
+ elif len(param.count_parameter_list):
+ if param.size() == 1 and not self.do_swap:
+ location = self.fetch_param(param)
+ print '%s %s %s = %s%s;' % (indent, type_string, param.name, cond, location)
+ else:
+ print '%s %s %s;' % (indent, type_string, param.name)
+ need_blank = 1
+
+
+
+ if need_blank:
+ print ''
+
+ if align64:
+ print '#ifdef __GLX_ALIGN64'
+
+ if f.has_variable_size_request():
+ self.emit_packet_size_calculation(f, 4)
+ s = "cmdlen"
+ else:
+ s = str((f.command_fixed_length() + 3) & ~3)
+
+ print ' if ((unsigned long)(pc) & 7) {'
+ print ' (void) memmove(pc-4, pc, %s);' % (s)
+ print ' pc -= 4;'
+ print ' }'
+ print '#endif'
+ print ''
+
+
+ need_blank = 0
+ if self.do_swap:
+ for param in f.parameterIterateGlxSend():
+ if param.count_parameter_list:
+ o = param.offset
+ count = param.get_element_count()
+ type_size = param.size() / count
+
+ if param.counter:
+ count_name = param.counter
+ else:
+ count_name = str(count)
+
+ # This is basically an ugly special-
+ # case for glCallLists.
+
+ if type_size == 1:
+ x = []
+ x.append( [1, ['BYTE', 'UNSIGNED_BYTE', '2_BYTES', '3_BYTES', '4_BYTES']] )
+ x.append( [2, ['SHORT', 'UNSIGNED_SHORT']] )
+ x.append( [4, ['INT', 'UNSIGNED_INT', 'FLOAT']] )
+
+ print ' switch(%s) {' % (param.count_parameter_list[0])
+ for sub in x:
+ for t_name in sub[1]:
+ print ' case GL_%s:' % (t_name)
+
+ if sub[0] == 1:
+ print ' %s = (%s) (pc + %s); break;' % (param.name, param.type_string(), o)
+ else:
+ swap_func = self.swap_name(sub[0])
+ print ' %s = (%s) %s( (%s *) (pc + %s), %s ); break;' % (param.name, param.type_string(), swap_func, self.real_types[sub[0]], o, count_name)
+ print ' }'
+ else:
+ swap_func = self.swap_name(type_size)
+ compsize = self.size_call(f, 1)
+ print ' %s = (%s) %s( (%s *) (pc + %s), %s );' % (param.name, param.type_string(), swap_func, self.real_types[type_size], o, compsize)
+
+ need_blank = 1
+
+ else:
+ for param in f.parameterIterateGlxSend():
+ if param.count_parameter_list:
+ print '%s %s = (%s) (pc + %s);' % (indent, param.name, param.type_string(), param.offset)
+ need_blank = 1
+
+
+ if need_blank:
+ print ''
+
+
+ return
+
+
+ def printSingleFunction(self, f):
+ if f.glx_sop:
+ print ' xGLXSingleReq * const req = (xGLXSingleReq *) pc;'
+ else:
+ print ' xGLXVendorPrivateReq * const req = (xGLXVendorPrivateReq *) pc;'
+
+ print ' int error;'
+
+ if self.do_swap:
+ print ' __GLXcontext * const cx = __glXForceCurrent(cl, bswap_CARD32( &req->contextTag ), &error);'
+ else:
+ print ' __GLXcontext * const cx = __glXForceCurrent(cl, req->contextTag, &error);'
+
+ print ''
+ if f.glx_sop:
+ print ' pc += __GLX_SINGLE_HDR_SIZE;'
+ else:
+ print ' pc += __GLX_VENDPRIV_HDR_SIZE;'
+
+ print ' if ( cx != NULL ) {'
+ self.common_func_print_just_start(f, " ")
+
+
+ if f.return_type != 'void':
+ print ' %s retval;' % (f.return_type)
+ retval_string = "retval"
+ retval_assign = "retval = "
+ else:
+ retval_string = "0"
+ retval_assign = ""
+
+
+ type_size = 0
+ answer_string = "dummy_answer"
+ answer_count = "0"
+ is_array_string = "GL_FALSE"
+
+ for param in f.parameterIterateOutputs():
+ answer_type = param.get_base_type_string()
+ if answer_type == "GLvoid":
+ answer_type = "GLubyte"
+
+
+ c = param.get_element_count()
+ type_size = (param.size() / c)
+ if type_size == 1:
+ size_scale = ""
+ else:
+ size_scale = " * %u" % (type_size)
+
+
+ if param.count_parameter_list:
+ print ' const GLuint compsize = %s;' % (self.size_call(f, 1))
+ print ' %s answerBuffer[200];' % (answer_type)
+ print ' %s %s = __glXGetAnswerBuffer(cl, compsize%s, answerBuffer, sizeof(answerBuffer), %u);' % (param.type_string(), param.name, size_scale, type_size )
+ answer_string = param.name
+ answer_count = "compsize"
+
+ print ''
+ print ' if (%s == NULL) return BadAlloc;' % (param.name)
+ print ' __glXClearErrorOccured();'
+ print ''
+ elif param.counter:
+ print ' %s answerBuffer[200];' % (answer_type)
+ print ' %s %s = __glXGetAnswerBuffer(cl, %s%s, answerBuffer, sizeof(answerBuffer), %u);' % (param.type_string(), param.name, param.counter, size_scale, type_size)
+ answer_string = param.name
+ answer_count = param.counter
+ elif c >= 1:
+ print ' %s %s[%u];' % (answer_type, param.name, c)
+ answer_string = param.name
+ answer_count = "%u" % (c)
+
+ if f.reply_always_array:
+ is_array_string = "GL_TRUE"
+
+
+ self.emit_function_call(f, retval_assign, " ")
+
+
+ if f.needs_reply():
+ if self.do_swap:
+ for param in f.parameterIterateOutputs():
+ c = param.get_element_count()
+ type_size = (param.size() / c)
+
+ if type_size > 1:
+ swap_name = self.swap_name( type_size )
+ print ' (void) %s( (uint%u_t *) %s, %s );' % (swap_name, 8 * type_size, param.name, answer_count)
+
+
+ reply_func = '__glXSendReplySwap'
+ else:
+ reply_func = '__glXSendReply'
+
+ print ' %s(cl->client, %s, %s, %u, %s, %s);' % (reply_func, answer_string, answer_count, type_size, is_array_string, retval_string)
+ #elif f.note_unflushed:
+ # print ' cx->hasUnflushedCommands = GL_TRUE;'
+
+ print ' error = Success;'
+ print ' }'
+ print ''
+ print ' return error;'
+ return
+
+
+ def printRenderFunction(self, f):
+ # There are 4 distinct phases in a rendering dispatch function.
+ # In the first phase we compute the sizes and offsets of each
+ # element in the command. In the second phase we (optionally)
+ # re-align 64-bit data elements. In the third phase we
+ # (optionally) byte-swap array data. Finally, in the fourth
+ # phase we actually dispatch the function.
+
+ self.common_func_print_just_start(f, "")
+
+ images = f.get_images()
+ if len(images):
+ if self.do_swap:
+ pre = "bswap_CARD32( & "
+ post = " )"
+ else:
+ pre = ""
+ post = ""
+
+ img = images[0]
+
+ # swapBytes and lsbFirst are single byte fields, so
+ # the must NEVER be byte-swapped.
+
+ if not (img.img_type == "GL_BITMAP" and img.img_format == "GL_COLOR_INDEX"):
+ print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, hdr->swapBytes) );'
+
+ print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, hdr->lsbFirst) );'
+
+ print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, (GLint) %shdr->rowLength%s) );' % (pre, post)
+ if img.depth:
+ print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_IMAGE_HEIGHT, (GLint) %shdr->imageHeight%s) );' % (pre, post)
+ print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, (GLint) %shdr->skipRows%s) );' % (pre, post)
+ if img.depth:
+ print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_IMAGES, (GLint) %shdr->skipImages%s) );' % (pre, post)
+ print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, (GLint) %shdr->skipPixels%s) );' % (pre, post)
+ print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, (GLint) %shdr->alignment%s) );' % (pre, post)
+ print ''
+
+
+ self.emit_function_call(f, "", "")
+ return
+
+
+if __name__ == '__main__':
+ file_name = "gl_API.xml"
+
+ try:
+ (args, trail) = getopt.getopt(sys.argv[1:], "f:m:s")
+ except Exception,e:
+ show_usage()
+
+ mode = "dispatch_c"
+ do_swap = 0
+ for (arg,val) in args:
+ if arg == "-f":
+ file_name = val
+ elif arg == "-m":
+ mode = val
+ elif arg == "-s":
+ do_swap = 1
+
+ if mode == "dispatch_c":
+ printer = PrintGlxDispatchFunctions(do_swap)
+ elif mode == "dispatch_h":
+ printer = PrintGlxDispatch_h()
+ else:
+ show_usage()
+
+ api = gl_XML.parse_GL_API( file_name, glX_proto_common.glx_proto_item_factory() )
+
+ printer.Print( api )
projects / mesa.git / commitdiff