1 files changed, 554 insertions, 0 deletions
diff --git a/mesalib/src/mesa/glapi/glX_proto_recv.py b/mesalib/src/mesa/glapi/glX_proto_recv.py
new file mode 100644
index 000000000..f423c6db0
--- /dev/null
+++ b/mesalib/src/mesa/glapi/glX_proto_recv.py
@@ -0,0 +1,554 @@
+#!/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:
+					print 'extern HIDDEN void __glXDisp_%s(GLbyte * pc);' % (func.name)
+					print 'extern HIDDEN void __glXDispSwap_%s(GLbyte * pc);' % (func.name)
+				elif func.glx_sop or func.glx_vendorpriv:
+					print 'extern HIDDEN int __glXDisp_%s(struct __GLXclientStateRec *, GLbyte *);' % (func.name)
+					print 'extern HIDDEN int __glXDispSwap_%s(struct __GLXclientStateRec *, GLbyte *);' % (func.name)
+
+					if func.glx_sop and func.glx_vendorpriv:
+						n = func.glx_vendorpriv_names[0]
+						print 'extern HIDDEN int __glXDisp_%s(struct __GLXclientStateRec *, GLbyte *);' % (n)
+						print 'extern HIDDEN int __glXDispSwap_%s(struct __GLXclientStateRec *, GLbyte *);' % (n)
+
+		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>'
+
+		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 "glxbyteorder.h"'
+		print '#include "indirect_util.h"'
+		print '#include "singlesize.h"'
+		print '#include "glapi.h"'
+		print '#include "glapitable.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, func.name)
+				if func.glx_sop and func.glx_vendorpriv:
+					self.printFunction(func, func.glx_vendorpriv_names[0])
+					
+
+		return
+
+
+	def printFunction(self, f, name):
+		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, name)
+		else:
+			print 'int %s_%s(__GLXclientState *cl, GLbyte *pc)' % (base, 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, name)
+		else:
+			print "/* Missing GLX protocol for %s. */" % (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_padding:
+				continue
+
+			if param.is_counter or param.is_image() or param.is_output or param.name in f.count_parameter_list 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 '    default:'
+						print '        return;'
+						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, name):
+		if name not in f.glx_vendorpriv_names:
+			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 name not in f.glx_vendorpriv_names:
+			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 )