diff options
Diffstat (limited to 'src/mesa/glapi/glX_proto_recv.py')
| -rw-r--r-- | src/mesa/glapi/glX_proto_recv.py | 561 |
1 files changed, 561 insertions, 0 deletions
diff --git a/src/mesa/glapi/glX_proto_recv.py b/src/mesa/glapi/glX_proto_recv.py new file mode 100644 index 00000000000..a0c4ea0541a --- /dev/null +++ b/src/mesa/glapi/glX_proto_recv.py @@ -0,0 +1,561 @@ +#!/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 <[email protected]> + +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 ) |