コード例 #1
0
#define PACK_APIENTRY __stdcall
#else
#define PACK_APIENTRY
#endif

#ifdef __cplusplus
extern "C" {
#endif
"""

keys = apiutil.GetDispatchedFunctions()

for func_name in keys:
    if ("pack" in apiutil.ChromiumProps(func_name)
            or "extpack" in apiutil.ChromiumProps(func_name)
            or apiutil.NonVectorFunction(func_name) != ''
            or apiutil.FindSpecial('packer', func_name)):

        # OK, generate a crPackFooBar() prototype for this function
        return_type = apiutil.ReturnType(func_name)
        args = apiutil.Parameters(func_name)
        if return_type != 'void':
            if apiutil.IsPointer(return_type):
                args.append(("return_value", return_type, 0))
            else:
                args.append(("return_value", return_type + "*", 0))
        elif "pixelstore" in apiutil.Properties(func_name):
            args.append(("packstate", "const CRPixelPackState *", 0))

        if "get" in apiutil.Properties(func_name):
            args.append(("writeback", "int *", 0))
コード例 #2
0
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')