CRDBGPTR_CHECKZ(pState->pWritebackPtr); CRDBGPTR_CHECKZ(pState->pReturnPtr); /*crDebug(\"Unpacking opcode \%d\", *pState->pbOpcodes);*/ #ifdef CR_UNPACK_DEBUG_PREV_OPCODES g_VBoxDbgCrPrevOpcode = *pState->pbOpcodes; #endif switch( *pState->pbOpcodes ) {""") # # Emit switch cases for all unextended opcodes # for func_name in keys: if "pack" in apiutil.ChromiumProps(func_name): print('\t\t\tcase %s:' % apiutil.OpcodeName(func_name)) if not apiutil.OpcodeName(func_name) in nodebug_opcodes: print(""" #ifdef CR_UNPACK_DEBUG_LAST_OPCODES if (i==(pState->cOpcodes-1)) #endif #if defined(CR_UNPACK_DEBUG_OPCODES) || defined(CR_UNPACK_DEBUG_LAST_OPCODES) crDebug("Unpack: %s"); #endif """ % apiutil.OpcodeName(func_name)) print('\t\t\t\tcrUnpack%s(pState); \n\t\t\t\tbreak;' % func_name) print(""" case CR_EXTEND_OPCODE: #ifdef CR_UNPACK_DEBUG_OPCODES crUnpackExtendDbg(pState); #else
apiutil.CopyrightC() print(""" #include "cr_debugopcodes.h" #include <stdio.h> """) print("""void crDebugOpcodes( FILE *fp, unsigned char *ptr, unsigned int num_opcodes ) { \tunsigned int i; \tfor (i = 0; i < num_opcodes; i++) \t{ \t\tswitch(*(ptr--)) \t\t{ """) keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt") keys.sort() for func_name in keys: if "pack" in apiutil.ChromiumProps(func_name): print('\t\tcase %s:' % apiutil.OpcodeName( func_name )) print('\t\t\tfprintf(fp, "%s\\n"); ' % apiutil.OpcodeName( func_name )) print( '\t\t\tbreak;') print(""" \t\t} \t} } """)
def PrintFunction(func_name, extSuffix, num_coords, argtype, do_swapped, do_count, do_vector): """ Generate all the functions named crPackVertex[234][dfis][v]BBOX() and crPackVertex[234][dfis][v]BBOX_COUNT(). We also handle glVertexAttrib*ARB. Note: func_name should not have an ARB suffix. """ if do_count: countSuffix = "_COUNT" else: countSuffix = "" if do_swapped: swapSuffix = "SWAP" else: swapSuffix = "" if func_name[0:12] == "VertexAttrib": isVertexAttrib = 1 else: isVertexAttrib = 0 if argtype[0] == "N": normalized = 1 else: normalized = 0 if argtype == "b" or argtype == "Nb": vector_type = "GLbyte" elif argtype == "ub" or argtype == "Nub": vector_type = "GLubyte" elif argtype == "s" or argtype == "Ns": vector_type = "GLshort" elif argtype == "us" or argtype == "Nus": vector_type = "GLushort" elif argtype == "i" or argtype == "Ni": vector_type = "GLint" elif argtype == "ui" or argtype == "Nui": vector_type = "GLuint" elif argtype == "f": vector_type = "GLfloat" elif argtype == "d": vector_type = "GLdouble" else: print "type is %s" % argtype abort() if do_vector: if isVertexAttrib: func_name = 'VertexAttrib%d%sv' % (num_coords, argtype) else: func_name = 'Vertex%d%sv' % (num_coords, argtype) params = apiutil.Parameters(func_name + extSuffix) print 'void PACK_APIENTRY crPack%sBBOX%s%s( %s )' % ( func_name + extSuffix, countSuffix, swapSuffix, apiutil.MakeDeclarationString(params)) print '{' if do_vector: # vector version packet_length = num_coords * apiutil.sizeof(vector_type) if isVertexAttrib: packet_length += 4 # for index if packet_length % 4 != 0: packet_length += 2 else: # non-vector packet_length = apiutil.PacketLength(params) if isVertexAttrib: packet_length += 0 # for index if packet_length % 4 != 0: packet_length += 2 print "\tGET_PACKER_CONTEXT(pc);" print "\tunsigned char *data_ptr;" if normalized: if argtype == "Nb": t = "B" elif argtype == "Ni": t = "I" elif argtype == "Nui": t = "UI" elif argtype == "Nub": t = "UB" elif argtype == "Ns": t = "S" elif argtype == "Nus": t = "US" else: abort() if do_vector: print "\tCREATE_%dD_VFLOATS_%s_NORMALIZED();" % (num_coords, t) else: print "\tCREATE_%dD_FLOATS_%s_NORMALIZED();" % (num_coords, t) else: if do_vector: print "\tCREATE_%dD_VFLOATS();" % num_coords else: print "\tCREATE_%dD_FLOATS();" % num_coords print "\tGET_BUFFERED%s_POINTER( pc, %d );" % (countSuffix, packet_length) # Bounding box code if isVertexAttrib: print "\tif (pc->updateBBOX && index == 0)" else: print "\tif (pc->updateBBOX)" print "\t{" if num_coords < 4: print "\t\tUPDATE_%dD_BBOX();" % num_coords else: print "\t\tUPDATE_3D_BBOX();" print "\t}" if isVertexAttrib: print "\tif (index > 0) {" t = argtype print "\t\tpc->current.c.vertexAttrib.%s%d[index] = data_ptr + 4;" % ( t, num_coords) print "\t\tpc->current.attribsUsedMask |= (1 << index);" if do_count: print "\t\tpc->current.vtx_count--;" print "\t}" fname = func_name + extSuffix if do_vector: # use non-vector opcode opcode = apiutil.OpcodeName(func_name[:-1] + extSuffix) else: opcode = apiutil.OpcodeName(func_name + extSuffix) counter = 0 if do_vector: if isVertexAttrib: if do_swapped: print "\tWRITE_DATA( 0, GLuint, SWAP32(index) );" else: print "\tWRITE_DATA( 0, GLuint, index );" counter += 4 argname = params[1][0] # skip 'index' parameter else: argname = params[0][0] for index in range(num_coords): print WriteData(counter, vector_type, "%s[%d]" % (argname, index), do_swapped) counter += apiutil.sizeof(vector_type) if isVertexAttrib: if do_vector == 2: # this is a bit of a hack print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName( func_name + "ARB") else: print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName( func_name[:-1] + "ARB") else: print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName( func_name[:-1]) else: for index in range(0, len(params)): (name, type, vecSize) = params[index] print WriteData(counter, type, name, do_swapped) counter += apiutil.sizeof(type) if isVertexAttrib: print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName(func_name + "ARB") else: print "\tWRITE_OPCODE( pc, %s );" % apiutil.OpcodeName(func_name) print '}\n'
unpack_opcodes = (const unsigned char *)opcodes; cr_unpackData = (const unsigned char *)data; for (i = 0 ; i < num_opcodes ; i++) { /*crDebug(\"Unpacking opcode \%d\", *unpack_opcodes);*/ switch( *unpack_opcodes ) {""" # # Emit switch cases for all unextended opcodes # for func_name in keys: if "pack" in apiutil.ChromiumProps(func_name): print '\t\t\tcase %s:' % apiutil.OpcodeName(func_name), print 'crUnpack%s(); break;' % func_name print """ case CR_EXTEND_OPCODE: crUnpackExtend(); break; default: crError( "Unknown opcode: %d", *unpack_opcodes ); break; } unpack_opcodes--; } }""" # # Emit unpack functions for extended opcodes, non-special functions only. #
def PrintFunc(func_name, params, is_swapped, can_have_pointers): """Emit a packer function.""" if is_swapped: print('void PACK_APIENTRY crPack%sSWAP(%s)' % (func_name, apiutil.MakeDeclarationStringWithContext( 'CR_PACKER_CONTEXT', params))) else: print('void PACK_APIENTRY crPack%s(%s)' % (func_name, apiutil.MakeDeclarationStringWithContext( 'CR_PACKER_CONTEXT', params))) print('{') print('\tCR_GET_PACKER_CONTEXT(pc);') # Save original function name orig_func_name = func_name # Convert to a non-vector version of the function if possible func_name = apiutil.NonVectorFunction(func_name) if not func_name: func_name = orig_func_name # Check if there are any pointer parameters. # That's usually a problem so we'll emit an error function. nonVecParams = apiutil.Parameters(func_name) bail_out = 0 for (name, type, vecSize) in nonVecParams: if apiutil.IsPointer(type) and vecSize == 0 and not can_have_pointers: bail_out = 1 if bail_out: for (name, type, vecSize) in nonVecParams: print('\t(void)%s;' % (name)) print('\tcrError ( "%s needs to be special cased %d %d!");' % (func_name, vecSize, can_have_pointers)) print('\t(void) pc;') print('}') # XXX we should really abort here return if "extpack" in apiutil.ChromiumProps(func_name): is_extended = 1 else: is_extended = 0 print("\tunsigned char *data_ptr;") print('\t(void) pc;') #if func_name == "Enable" or func_name == "Disable": # print "\tCRASSERT(!pc->buffer.geometry_only); /* sanity check */" for index in range(0, len(params)): (name, type, vecSize) = params[index] if vecSize > 0 and func_name != orig_func_name: print(" if (!%s) {" % name) # Know the reason for this one, so avoid the spam. if orig_func_name != "SecondaryColor3fvEXT": print(" crDebug(\"App passed NULL as %s for %s\");" % (name, orig_func_name)) print(" return;") print(" }") packet_length = apiutil.PacketLength(nonVecParams) if packet_length == 0 and not is_extended: print("\tCR_GET_BUFFERED_POINTER_NO_ARGS(pc);") elif func_name[:9] == "Translate" or func_name[:5] == "Color": # XXX WTF is the purpose of this? if is_extended: packet_length += 8 print("\tCR_GET_BUFFERED_POINTER_NO_BEGINEND_FLUSH(pc, %d, GL_TRUE);" % packet_length) else: if is_extended: packet_length += 8 print("\tCR_GET_BUFFERED_POINTER(pc, %d);" % packet_length) UpdateCurrentPointer(func_name) if is_extended: counter = 8 print(WriteData(0, 'GLint', packet_length, is_swapped)) print( WriteData(4, 'GLenum', apiutil.ExtendedOpcodeName(func_name), is_swapped)) else: counter = 0 # Now emit the WRITE_() macros for all parameters for index in range(0, len(params)): (name, type, vecSize) = params[index] # if we're converting a vector-valued function to a non-vector func: if vecSize > 0 and func_name != orig_func_name: ptrType = apiutil.PointerType(type) for i in range(0, vecSize): print( WriteData(counter + i * apiutil.sizeof(ptrType), ptrType, "%s[%d]" % (name, i), is_swapped)) # XXX increment counter here? else: print(WriteData(counter, type, name, is_swapped)) if apiutil.IsPointer(type): counter += apiutil.PointerSize() else: counter += apiutil.sizeof(type) # finish up if is_extended: print("\tWRITE_OPCODE(pc, CR_EXTEND_OPCODE);") else: print("\tWRITE_OPCODE(pc, %s);" % apiutil.OpcodeName(func_name)) if "get" in apiutil.Properties(func_name): print('\tCR_CMDBLOCK_CHECK_FLUSH(pc);') print('\tCR_UNLOCK_PACKER_CONTEXT(pc);') print('}\n')
print "/* DO NOT EDIT - THIS FILE GENERATED BY THE opcodes.py SCRIPT */" print "" print "#ifndef CR_OPCODES_H" print "#define CR_OPCODES_H" print "" keys = apiutil.GetDispatchedFunctions(sys.argv[1] + "/APIspec.txt") assert len(keys) > 0 print "/* Functions with no return value and input-only parameters */" print "typedef enum {" enum_index = 0 for func in keys: if "pack" in apiutil.ChromiumProps(func): print "\t%s = %d," % (apiutil.OpcodeName(func), enum_index) enum_index = enum_index + 1 if enum_index > 255: # This would have saved Mike some grief if it had been here earlier. print >> sys.stderr, "You have more than 255 opcodes! You've been adding functions to" print >> sys.stderr, "glapi_parser/APIspec! Each new function you add" print >> sys.stderr, "gets an opcode assigned to it. Fortunately for you, we have" print >> sys.stderr, "an ``extend'' opcode. Please mark the function as" print >> sys.stderr, "'extpack' in APIspec so as to keep the main opcode pool" print >> sys.stderr, "less than 255! THIS IS A CATASTROPHIC FAILURE, and I WILL NOT CONTINUE!" print >> sys.stderr, "I'm putting an error in the generated header file so you won't miss" print >> sys.stderr, "this even if you're doing a 'make -k.'" print "#error -- more than 255 opcodes!" sys.exit(-1) print "\tCR_EXTEND_OPCODE=%d" % enum_index