1156 lines
40 KiB
Python
1156 lines
40 KiB
Python
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# (C) Copyright IBM Corporation 2004, 2005
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# All Rights Reserved.
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# Copyright (c) 2015 Intel Corporation
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# on the rights to use, copy, modify, merge, publish, distribute, sub
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# license, and/or sell copies of the Software, and to permit persons to whom
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# the Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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#
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# Authors:
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# Ian Romanick <idr@us.ibm.com>
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# Jeremy Kolb <jkolb@brandeis.edu>
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import argparse
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import gl_XML, glX_XML, glX_proto_common, license
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import copy
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def convertStringForXCB(str):
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tmp = ""
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special = [ "ARB" ]
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i = 0
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while i < len(str):
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if str[i:i+3] in special:
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tmp = '%s_%s' % (tmp, str[i:i+3].lower())
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i = i + 2;
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elif str[i].isupper():
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tmp = '%s_%s' % (tmp, str[i].lower())
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else:
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tmp = '%s%s' % (tmp, str[i])
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i += 1
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return tmp
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def hash_pixel_function(func):
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"""Generate a 'unique' key for a pixel function. The key is based on
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the parameters written in the command packet. This includes any
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padding that might be added for the original function and the 'NULL
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image' flag."""
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h = ""
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hash_pre = ""
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hash_suf = ""
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for param in func.parameterIterateGlxSend():
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if param.is_image():
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[dim, junk, junk, junk, junk] = param.get_dimensions()
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d = (dim + 1) & ~1
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hash_pre = "%uD%uD_" % (d - 1, d)
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if param.img_null_flag:
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hash_suf = "_NF"
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h += "%u" % (param.size())
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if func.pad_after(param):
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h += "4"
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n = func.name.replace("%uD" % (dim), "")
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n = "__glx_%s_%uD%uD" % (n, d - 1, d)
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h = hash_pre + h + hash_suf
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return [h, n]
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class glx_pixel_function_stub(glX_XML.glx_function):
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"""Dummy class used to generate pixel "utility" functions that are
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shared by multiple dimension image functions. For example, these
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objects are used to generate shared functions used to send GLX
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protocol for TexImage1D and TexImage2D, TexSubImage1D and
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TexSubImage2D, etc."""
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def __init__(self, func, name):
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# The parameters to the utility function are the same as the
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# parameters to the real function except for the added "pad"
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# parameters.
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self.name = name
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self.images = []
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self.parameters = []
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self.parameters_by_name = {}
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for _p in func.parameterIterator():
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p = copy.copy(_p)
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self.parameters.append(p)
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self.parameters_by_name[ p.name ] = p
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if p.is_image():
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self.images.append(p)
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p.height = "height"
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if p.img_yoff == None:
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p.img_yoff = "yoffset"
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if p.depth:
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if p.extent == None:
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p.extent = "extent"
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if p.img_woff == None:
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p.img_woff = "woffset"
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pad_name = func.pad_after(p)
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if pad_name:
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pad = copy.copy(p)
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pad.name = pad_name
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self.parameters.append(pad)
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self.parameters_by_name[ pad.name ] = pad
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self.return_type = func.return_type
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self.glx_rop = ~0
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self.glx_sop = 0
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self.glx_vendorpriv = 0
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self.glx_doubles_in_order = func.glx_doubles_in_order
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self.vectorequiv = None
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self.output = None
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self.can_be_large = func.can_be_large
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self.reply_always_array = func.reply_always_array
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self.dimensions_in_reply = func.dimensions_in_reply
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self.img_reset = None
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self.server_handcode = 0
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self.client_handcode = 0
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self.ignore = 0
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self.count_parameter_list = func.count_parameter_list
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self.counter_list = func.counter_list
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self.offsets_calculated = 0
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return
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class PrintGlxProtoStubs(glX_proto_common.glx_print_proto):
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def __init__(self):
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glX_proto_common.glx_print_proto.__init__(self)
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self.name = "glX_proto_send.py (from Mesa)"
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self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004, 2005", "IBM")
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self.last_category = ""
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self.generic_sizes = [3, 4, 6, 8, 12, 16, 24, 32]
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self.pixel_stubs = {}
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self.debug = 0
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return
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def printRealHeader(self):
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print('')
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print('#include <GL/gl.h>')
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print('#include "indirect.h"')
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print('#include "glxclient.h"')
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print('#include "indirect_size.h"')
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print('#include "glapi.h"')
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print('#include <GL/glxproto.h>')
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print('#include <X11/Xlib-xcb.h>')
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print('#include <xcb/xcb.h>')
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print('#include <xcb/glx.h>')
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print('#include <limits.h>')
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print('')
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self.printFastcall()
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self.printNoinline()
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print('')
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print('static _X_INLINE int safe_add(int a, int b)')
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print('{')
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print(' if (a < 0 || b < 0) return -1;')
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print(' if (INT_MAX - a < b) return -1;')
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print(' return a + b;')
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print('}')
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print('static _X_INLINE int safe_mul(int a, int b)')
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print('{')
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print(' if (a < 0 || b < 0) return -1;')
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print(' if (a == 0 || b == 0) return 0;')
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print(' if (a > INT_MAX / b) return -1;')
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print(' return a * b;')
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print('}')
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print('static _X_INLINE int safe_pad(int a)')
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print('{')
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print(' int ret;')
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print(' if (a < 0) return -1;')
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print(' if ((ret = safe_add(a, 3)) < 0) return -1;')
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print(' return ret & (GLuint)~3;')
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print('}')
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print('')
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print('#ifndef __GNUC__')
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print('# define __builtin_expect(x, y) x')
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print('#endif')
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print('')
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print('/* If the size and opcode values are known at compile-time, this will, on')
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print(' * x86 at least, emit them with a single instruction.')
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print(' */')
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print('#define emit_header(dest, op, size) \\')
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print(' do { union { short s[2]; int i; } temp; \\')
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print(' temp.s[0] = (size); temp.s[1] = (op); \\')
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print(' *((int *)(dest)) = temp.i; } while(0)')
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print('')
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print("""NOINLINE CARD32
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__glXReadReply( Display *dpy, size_t size, void * dest, GLboolean reply_is_always_array )
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{
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xGLXSingleReply reply;
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(void) _XReply(dpy, (xReply *) & reply, 0, False);
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if (size != 0) {
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if ((reply.length > 0) || reply_is_always_array) {
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const GLint bytes = (reply_is_always_array)
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? (4 * reply.length) : (reply.size * size);
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const GLint extra = 4 - (bytes & 3);
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_XRead(dpy, dest, bytes);
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if ( extra < 4 ) {
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_XEatData(dpy, extra);
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}
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}
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else {
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(void) memcpy( dest, &(reply.pad3), size);
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}
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}
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return reply.retval;
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}
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NOINLINE void
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__glXReadPixelReply( Display *dpy, struct glx_context * gc, unsigned max_dim,
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GLint width, GLint height, GLint depth, GLenum format, GLenum type,
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void * dest, GLboolean dimensions_in_reply )
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{
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xGLXSingleReply reply;
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GLint size;
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(void) _XReply(dpy, (xReply *) & reply, 0, False);
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if ( dimensions_in_reply ) {
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width = reply.pad3;
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height = reply.pad4;
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depth = reply.pad5;
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if ((height == 0) || (max_dim < 2)) { height = 1; }
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if ((depth == 0) || (max_dim < 3)) { depth = 1; }
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}
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size = reply.length * 4;
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if (size != 0) {
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void * buf = malloc( size );
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if ( buf == NULL ) {
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_XEatData(dpy, size);
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__glXSetError(gc, GL_OUT_OF_MEMORY);
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}
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else {
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const GLint extra = 4 - (size & 3);
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_XRead(dpy, buf, size);
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if ( extra < 4 ) {
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_XEatData(dpy, extra);
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}
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__glEmptyImage(gc, 3, width, height, depth, format, type,
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buf, dest);
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free(buf);
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}
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}
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}
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#define X_GLXSingle 0
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NOINLINE FASTCALL GLubyte *
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__glXSetupSingleRequest( struct glx_context * gc, GLint sop, GLint cmdlen )
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{
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xGLXSingleReq * req;
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Display * const dpy = gc->currentDpy;
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(void) __glXFlushRenderBuffer(gc, gc->pc);
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LockDisplay(dpy);
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GetReqExtra(GLXSingle, cmdlen, req);
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req->reqType = gc->majorOpcode;
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req->contextTag = gc->currentContextTag;
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req->glxCode = sop;
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return (GLubyte *)(req) + sz_xGLXSingleReq;
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}
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NOINLINE FASTCALL GLubyte *
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__glXSetupVendorRequest( struct glx_context * gc, GLint code, GLint vop, GLint cmdlen )
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{
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xGLXVendorPrivateReq * req;
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Display * const dpy = gc->currentDpy;
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(void) __glXFlushRenderBuffer(gc, gc->pc);
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LockDisplay(dpy);
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GetReqExtra(GLXVendorPrivate, cmdlen, req);
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req->reqType = gc->majorOpcode;
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req->glxCode = code;
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req->vendorCode = vop;
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req->contextTag = gc->currentContextTag;
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return (GLubyte *)(req) + sz_xGLXVendorPrivateReq;
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}
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const GLuint __glXDefaultPixelStore[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 1 };
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#define zero (__glXDefaultPixelStore+0)
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#define one (__glXDefaultPixelStore+8)
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#define default_pixel_store_1D (__glXDefaultPixelStore+4)
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#define default_pixel_store_1D_size 20
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#define default_pixel_store_2D (__glXDefaultPixelStore+4)
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#define default_pixel_store_2D_size 20
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#define default_pixel_store_3D (__glXDefaultPixelStore+0)
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#define default_pixel_store_3D_size 36
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#define default_pixel_store_4D (__glXDefaultPixelStore+0)
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#define default_pixel_store_4D_size 36
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""")
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for size in self.generic_sizes:
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self.print_generic_function(size)
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return
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def printBody(self, api):
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self.pixel_stubs = {}
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generated_stubs = []
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for func in api.functionIterateGlx():
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if func.client_handcode: continue
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# If the function is a pixel function with a certain
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# GLX protocol signature, create a fake stub function
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# for it. For example, create a single stub function
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# that is used to implement both glTexImage1D and
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# glTexImage2D.
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if func.glx_rop != 0:
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do_it = 0
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for image in func.get_images():
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if image.img_pad_dimensions:
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do_it = 1
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break
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if do_it:
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[h, n] = hash_pixel_function(func)
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self.pixel_stubs[ func.name ] = n
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if h not in generated_stubs:
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generated_stubs.append(h)
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fake_func = glx_pixel_function_stub( func, n )
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self.printFunction(fake_func, fake_func.name)
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self.printFunction(func, func.name)
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if func.glx_sop and func.glx_vendorpriv:
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self.printFunction(func, func.glx_vendorpriv_names[0])
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self.printGetProcAddress(api)
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return
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def printGetProcAddress(self, api):
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procs = {}
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for func in api.functionIterateGlx():
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for n in func.entry_points:
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if func.has_different_protocol(n):
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procs[n] = func.static_glx_name(n)
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print("""
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#ifdef GLX_INDIRECT_RENDERING
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static const struct proc_pair
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{
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const char *name;
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_glapi_proc proc;
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} proc_pairs[%d] = {""" % len(procs))
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names = sorted(procs.keys())
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for i in range(len(names)):
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comma = ',' if i < len(names) - 1 else ''
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print(' { "%s", (_glapi_proc) gl%s }%s' % (names[i], procs[names[i]], comma))
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print("""};
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static int
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__indirect_get_proc_compare(const void *key, const void *memb)
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{
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const struct proc_pair *pair = (const struct proc_pair *) memb;
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return strcmp((const char *) key, pair->name);
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}
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_glapi_proc
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__indirect_get_proc_address(const char *name)
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{
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const struct proc_pair *pair;
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|
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/* skip "gl" */
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name += 2;
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pair = (const struct proc_pair *) bsearch((const void *) name,
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(const void *) proc_pairs, ARRAY_SIZE(proc_pairs), sizeof(proc_pairs[0]),
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__indirect_get_proc_compare);
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|
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return (pair) ? pair->proc : NULL;
|
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}
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|
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#endif /* GLX_INDIRECT_RENDERING */
|
|
""")
|
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return
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|
|
|
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def printFunction(self, func, name):
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footer = '}\n'
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if func.glx_rop == ~0:
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print('static %s' % (func.return_type))
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print('%s( unsigned opcode, unsigned dim, %s )' % (func.name, func.get_parameter_string()))
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print('{')
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else:
|
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if func.has_different_protocol(name):
|
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if func.return_type == "void":
|
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ret_string = ''
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else:
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ret_string = "return "
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|
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func_name = func.static_glx_name(name)
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print('#define %s %d' % (func.opcode_vendor_name(name), func.glx_vendorpriv))
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print('%s gl%s(%s)' % (func.return_type, func_name, func.get_parameter_string()))
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print('{')
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print('#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)')
|
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print(' if (((struct glx_context *)__glXGetCurrentContext())->isDirect) {')
|
|
print(' const _glapi_proc *const disp_table = (_glapi_proc *)GET_DISPATCH();')
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print(' PFNGL%sPROC p =' % (name.upper()))
|
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print(' (PFNGL%sPROC) disp_table[%d];' % (name.upper(), func.offset))
|
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print(' %sp(%s);' % (ret_string, func.get_called_parameter_string()))
|
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print(' } else')
|
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print('#endif')
|
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print(' {')
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|
|
footer = '}\n}\n'
|
|
else:
|
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print('#define %s %d' % (func.opcode_name(), func.opcode_value()))
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|
|
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print('%s __indirect_gl%s(%s)' % (func.return_type, name, func.get_parameter_string()))
|
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print('{')
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|
|
|
|
|
if func.glx_rop != 0 or func.vectorequiv != None:
|
|
if len(func.images):
|
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self.printPixelFunction(func)
|
|
else:
|
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self.printRenderFunction(func)
|
|
elif func.glx_sop != 0 or func.glx_vendorpriv != 0:
|
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self.printSingleFunction(func, name)
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pass
|
|
else:
|
|
print("/* Missing GLX protocol for %s. */" % (name))
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|
|
print(footer)
|
|
return
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|
|
|
|
def print_generic_function(self, n):
|
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size = (n + 3) & ~3
|
|
print("""static FASTCALL NOINLINE void
|
|
generic_%u_byte( GLint rop, const void * ptr )
|
|
{
|
|
struct glx_context * const gc = __glXGetCurrentContext();
|
|
const GLuint cmdlen = %u;
|
|
|
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emit_header(gc->pc, rop, cmdlen);
|
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(void) memcpy((void *)(gc->pc + 4), ptr, %u);
|
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gc->pc += cmdlen;
|
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if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }
|
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}
|
|
""" % (n, size + 4, size))
|
|
return
|
|
|
|
|
|
def common_emit_one_arg(self, p, pc, adjust, extra_offset):
|
|
if p.is_array():
|
|
src_ptr = p.name
|
|
else:
|
|
src_ptr = "&" + p.name
|
|
|
|
if p.is_padding:
|
|
print('(void) memset((void *)(%s + %u), 0, %s);' \
|
|
% (pc, p.offset + adjust, p.size_string() ))
|
|
elif not extra_offset:
|
|
print('(void) memcpy((void *)(%s + %u), (void *)(%s), %s);' \
|
|
% (pc, p.offset + adjust, src_ptr, p.size_string() ))
|
|
else:
|
|
print('(void) memcpy((void *)(%s + %u + %s), (void *)(%s), %s);' \
|
|
% (pc, p.offset + adjust, extra_offset, src_ptr, p.size_string() ))
|
|
|
|
def common_emit_args(self, f, pc, adjust, skip_vla):
|
|
extra_offset = None
|
|
|
|
for p in f.parameterIterateGlxSend( not skip_vla ):
|
|
if p.name != f.img_reset:
|
|
self.common_emit_one_arg(p, pc, adjust, extra_offset)
|
|
|
|
if p.is_variable_length():
|
|
temp = p.size_string()
|
|
if extra_offset:
|
|
extra_offset += " + %s" % (temp)
|
|
else:
|
|
extra_offset = temp
|
|
|
|
return
|
|
|
|
|
|
def pixel_emit_args(self, f, pc, large):
|
|
"""Emit the arguments for a pixel function. This differs from
|
|
common_emit_args in that pixel functions may require padding
|
|
be inserted (i.e., for the missing width field for
|
|
TexImage1D), and they may also require a 'NULL image' flag
|
|
be inserted before the image data."""
|
|
|
|
if large:
|
|
adjust = 8
|
|
else:
|
|
adjust = 4
|
|
|
|
for param in f.parameterIterateGlxSend():
|
|
if not param.is_image():
|
|
self.common_emit_one_arg(param, pc, adjust, None)
|
|
|
|
if f.pad_after(param):
|
|
print('(void) memcpy((void *)(%s + %u), zero, 4);' % (pc, (param.offset + param.size()) + adjust))
|
|
|
|
else:
|
|
[dim, width, height, depth, extent] = param.get_dimensions()
|
|
if f.glx_rop == ~0:
|
|
dim_str = "dim"
|
|
else:
|
|
dim_str = str(dim)
|
|
|
|
if param.is_padding:
|
|
print('(void) memset((void *)(%s + %u), 0, %s);' \
|
|
% (pc, (param.offset - 4) + adjust, param.size_string() ))
|
|
|
|
if param.img_null_flag:
|
|
if large:
|
|
print('(void) memcpy((void *)(%s + %u), zero, 4);' % (pc, (param.offset - 4) + adjust))
|
|
else:
|
|
print('(void) memcpy((void *)(%s + %u), (void *)((%s == NULL) ? one : zero), 4);' % (pc, (param.offset - 4) + adjust, param.name))
|
|
|
|
|
|
pixHeaderPtr = "%s + %u" % (pc, adjust)
|
|
pcPtr = "%s + %u" % (pc, param.offset + adjust)
|
|
|
|
if not large:
|
|
if param.img_send_null:
|
|
condition = '(compsize > 0) && (%s != NULL)' % (param.name)
|
|
else:
|
|
condition = 'compsize > 0'
|
|
|
|
print('if (%s) {' % (condition))
|
|
print(' __glFillImage(gc, %s, %s, %s, %s, %s, %s, %s, %s, %s);' % (dim_str, width, height, depth, param.img_format, param.img_type, param.name, pcPtr, pixHeaderPtr))
|
|
print('} else {')
|
|
print(' (void) memcpy( %s, default_pixel_store_%uD, default_pixel_store_%uD_size );' % (pixHeaderPtr, dim, dim))
|
|
print('}')
|
|
else:
|
|
print('__glXSendLargeImage(gc, compsize, %s, %s, %s, %s, %s, %s, %s, %s, %s);' % (dim_str, width, height, depth, param.img_format, param.img_type, param.name, pcPtr, pixHeaderPtr))
|
|
|
|
return
|
|
|
|
|
|
def large_emit_begin(self, f, op_name = None):
|
|
if not op_name:
|
|
op_name = f.opcode_real_name()
|
|
|
|
print('const GLint op = %s;' % (op_name))
|
|
print('const GLuint cmdlenLarge = cmdlen + 4;')
|
|
print('GLubyte * const pc = __glXFlushRenderBuffer(gc, gc->pc);')
|
|
print('(void) memcpy((void *)(pc + 0), (void *)(&cmdlenLarge), 4);')
|
|
print('(void) memcpy((void *)(pc + 4), (void *)(&op), 4);')
|
|
return
|
|
|
|
|
|
def common_func_print_just_start(self, f, name):
|
|
print(' struct glx_context * const gc = __glXGetCurrentContext();')
|
|
|
|
# The only reason that single and vendor private commands need
|
|
# a variable called 'dpy' is because they use the SyncHandle
|
|
# macro. For whatever brain-dead reason, that macro is hard-
|
|
# coded to use a variable called 'dpy' instead of taking a
|
|
# parameter.
|
|
|
|
# FIXME Simplify the logic related to skip_condition and
|
|
# FIXME condition_list in this function. Basically, remove
|
|
# FIXME skip_condition, and just append the "dpy != NULL" type
|
|
# FIXME condition to condition_list from the start. The only
|
|
# FIXME reason it's done in this confusing way now is to
|
|
# FIXME minimize the diffs in the generated code.
|
|
|
|
if not f.glx_rop:
|
|
for p in f.parameterIterateOutputs():
|
|
if p.is_image() and (p.img_format != "GL_COLOR_INDEX" or p.img_type != "GL_BITMAP"):
|
|
print(' const __GLXattribute * const state = gc->client_state_private;')
|
|
break
|
|
|
|
print(' Display * const dpy = gc->currentDpy;')
|
|
skip_condition = "dpy != NULL"
|
|
elif f.can_be_large:
|
|
skip_condition = "gc->currentDpy != NULL"
|
|
else:
|
|
skip_condition = None
|
|
|
|
|
|
if f.return_type != 'void':
|
|
print(' %s retval = (%s) 0;' % (f.return_type, f.return_type))
|
|
|
|
|
|
if name != None and name not in f.glx_vendorpriv_names:
|
|
print('#ifndef USE_XCB')
|
|
self.emit_packet_size_calculation(f, 0)
|
|
if name != None and name not in f.glx_vendorpriv_names:
|
|
print('#endif')
|
|
|
|
if f.command_variable_length() != "":
|
|
print(" if (0%s < 0) {" % f.command_variable_length())
|
|
print(" __glXSetError(gc, GL_INVALID_VALUE);")
|
|
if f.return_type != 'void':
|
|
print(" return 0;")
|
|
else:
|
|
print(" return;")
|
|
print(" }")
|
|
|
|
condition_list = []
|
|
for p in f.parameterIterateCounters():
|
|
condition_list.append( "%s >= 0" % (p.name) )
|
|
# 'counter' parameters cannot be negative
|
|
print(" if (%s < 0) {" % p.name)
|
|
print(" __glXSetError(gc, GL_INVALID_VALUE);")
|
|
if f.return_type != 'void':
|
|
print(" return 0;")
|
|
else:
|
|
print(" return;")
|
|
print(" }")
|
|
|
|
if skip_condition:
|
|
condition_list.append( skip_condition )
|
|
|
|
if len( condition_list ) > 0:
|
|
if len( condition_list ) > 1:
|
|
skip_condition = "(%s)" % ") && (".join( condition_list )
|
|
else:
|
|
skip_condition = "%s" % (condition_list.pop(0))
|
|
|
|
print(' if (__builtin_expect(%s, 1)) {' % (skip_condition))
|
|
return 1
|
|
else:
|
|
return 0
|
|
|
|
|
|
def printSingleFunction(self, f, name):
|
|
self.common_func_print_just_start(f, name)
|
|
|
|
if self.debug:
|
|
print(' printf( "Enter %%s...\\n", "gl%s" );' % (f.name))
|
|
|
|
if name not in f.glx_vendorpriv_names:
|
|
|
|
# XCB specific:
|
|
print('#ifdef USE_XCB')
|
|
if self.debug:
|
|
print(' printf("\\tUsing XCB.\\n");')
|
|
print(' xcb_connection_t *c = XGetXCBConnection(dpy);')
|
|
print(' (void) __glXFlushRenderBuffer(gc, gc->pc);')
|
|
xcb_name = 'xcb_glx%s' % convertStringForXCB(name)
|
|
|
|
iparams=[]
|
|
extra_iparams = []
|
|
output = None
|
|
for p in f.parameterIterator():
|
|
if p.is_output:
|
|
output = p
|
|
|
|
if p.is_image():
|
|
if p.img_format != "GL_COLOR_INDEX" or p.img_type != "GL_BITMAP":
|
|
extra_iparams.append("state->storePack.swapEndian")
|
|
else:
|
|
extra_iparams.append("0")
|
|
|
|
# Hardcode this in. lsb_first param (apparently always GL_FALSE)
|
|
# also present in GetPolygonStipple, but taken care of above.
|
|
if xcb_name == "xcb_glx_read_pixels":
|
|
extra_iparams.append("0")
|
|
else:
|
|
iparams.append(p.name)
|
|
|
|
|
|
xcb_request = '%s(%s)' % (xcb_name, ", ".join(["c", "gc->currentContextTag"] + iparams + extra_iparams))
|
|
|
|
if f.needs_reply():
|
|
print(' %s_reply_t *reply = %s_reply(c, %s, NULL);' % (xcb_name, xcb_name, xcb_request))
|
|
if output:
|
|
if output.is_image():
|
|
[dim, w, h, d, junk] = output.get_dimensions()
|
|
if f.dimensions_in_reply:
|
|
w = "reply->width"
|
|
h = "reply->height"
|
|
d = "reply->depth"
|
|
if dim < 2:
|
|
h = "1"
|
|
else:
|
|
print(' if (%s == 0) { %s = 1; }' % (h, h))
|
|
if dim < 3:
|
|
d = "1"
|
|
else:
|
|
print(' if (%s == 0) { %s = 1; }' % (d, d))
|
|
|
|
print(' __glEmptyImage(gc, 3, %s, %s, %s, %s, %s, %s_data(reply), %s);' % (w, h, d, output.img_format, output.img_type, xcb_name, output.name))
|
|
else:
|
|
if f.reply_always_array:
|
|
print(' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output.name, xcb_name, xcb_name, output.get_base_type_string()))
|
|
else:
|
|
print(' /* the XXX_data_length() xcb function name is misleading, it returns the number */')
|
|
print(' /* of elements, not the length of the data part. A single element is embedded. */')
|
|
print(' if (%s_data_length(reply) == 1)' % (xcb_name))
|
|
print(' (void)memcpy(%s, &reply->datum, sizeof(reply->datum));' % (output.name))
|
|
print(' else')
|
|
print(' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output.name, xcb_name, xcb_name, output.get_base_type_string()))
|
|
|
|
if f.return_type != 'void':
|
|
print(' retval = reply->ret_val;')
|
|
print(' free(reply);')
|
|
else:
|
|
print(' ' + xcb_request + ';')
|
|
print('#else')
|
|
# End of XCB specific.
|
|
|
|
|
|
if f.parameters != []:
|
|
pc_decl = "GLubyte const * pc ="
|
|
else:
|
|
pc_decl = "(void)"
|
|
|
|
if name in f.glx_vendorpriv_names:
|
|
print(' %s __glXSetupVendorRequest(gc, %s, %s, cmdlen);' % (pc_decl, f.opcode_real_name(), f.opcode_vendor_name(name)))
|
|
else:
|
|
print(' %s __glXSetupSingleRequest(gc, %s, cmdlen);' % (pc_decl, f.opcode_name()))
|
|
|
|
self.common_emit_args(f, "pc", 0, 0)
|
|
|
|
images = f.get_images()
|
|
|
|
for img in images:
|
|
if img.is_output:
|
|
o = f.command_fixed_length() - 4
|
|
print(' *(int32_t *)(pc + %u) = 0;' % (o))
|
|
if img.img_format != "GL_COLOR_INDEX" or img.img_type != "GL_BITMAP":
|
|
print(' * (int8_t *)(pc + %u) = state->storePack.swapEndian;' % (o))
|
|
|
|
if f.img_reset:
|
|
print(' * (int8_t *)(pc + %u) = %s;' % (o + 1, f.img_reset))
|
|
|
|
|
|
return_name = ''
|
|
if f.needs_reply():
|
|
if f.return_type != 'void':
|
|
return_name = " retval"
|
|
return_str = " retval = (%s)" % (f.return_type)
|
|
else:
|
|
return_str = " (void)"
|
|
|
|
got_reply = 0
|
|
|
|
for p in f.parameterIterateOutputs():
|
|
if p.is_image():
|
|
[dim, w, h, d, junk] = p.get_dimensions()
|
|
if f.dimensions_in_reply:
|
|
print(" __glXReadPixelReply(dpy, gc, %u, 0, 0, 0, %s, %s, %s, GL_TRUE);" % (dim, p.img_format, p.img_type, p.name))
|
|
else:
|
|
print(" __glXReadPixelReply(dpy, gc, %u, %s, %s, %s, %s, %s, %s, GL_FALSE);" % (dim, w, h, d, p.img_format, p.img_type, p.name))
|
|
|
|
got_reply = 1
|
|
else:
|
|
if f.reply_always_array:
|
|
aa = "GL_TRUE"
|
|
else:
|
|
aa = "GL_FALSE"
|
|
|
|
# gl_parameter.size() returns the size
|
|
# of the entire data item. If the
|
|
# item is a fixed-size array, this is
|
|
# the size of the whole array. This
|
|
# is not what __glXReadReply wants. It
|
|
# wants the size of a single data
|
|
# element in the reply packet.
|
|
# Dividing by the array size (1 for
|
|
# non-arrays) gives us this.
|
|
|
|
s = p.size() // p.get_element_count()
|
|
print(" %s __glXReadReply(dpy, %s, %s, %s);" % (return_str, s, p.name, aa))
|
|
got_reply = 1
|
|
|
|
|
|
# If a reply wasn't read to fill an output parameter,
|
|
# read a NULL reply to get the return value.
|
|
|
|
if not got_reply:
|
|
print(" %s __glXReadReply(dpy, 0, NULL, GL_FALSE);" % (return_str))
|
|
|
|
|
|
elif self.debug:
|
|
# Only emit the extra glFinish call for functions
|
|
# that don't already require a reply from the server.
|
|
print(' __indirect_glFinish();')
|
|
|
|
if self.debug:
|
|
print(' printf( "Exit %%s.\\n", "gl%s" );' % (name))
|
|
|
|
|
|
print(' UnlockDisplay(dpy); SyncHandle();')
|
|
|
|
if name not in f.glx_vendorpriv_names:
|
|
print('#endif /* USE_XCB */')
|
|
|
|
print(' }')
|
|
print(' return%s;' % (return_name))
|
|
return
|
|
|
|
|
|
def printPixelFunction(self, f):
|
|
if f.name in self.pixel_stubs:
|
|
# Normally gl_function::get_parameter_string could be
|
|
# used. However, this call needs to have the missing
|
|
# dimensions (e.g., a fake height value for
|
|
# glTexImage1D) added in.
|
|
|
|
p_string = ""
|
|
for param in f.parameterIterateGlxSend():
|
|
if param.is_padding:
|
|
continue
|
|
|
|
p_string += ", " + param.name
|
|
|
|
if param.is_image():
|
|
[dim, junk, junk, junk, junk] = param.get_dimensions()
|
|
|
|
if f.pad_after(param):
|
|
p_string += ", 1"
|
|
|
|
print(' %s(%s, %u%s );' % (self.pixel_stubs[f.name] , f.opcode_name(), dim, p_string))
|
|
return
|
|
|
|
|
|
if self.common_func_print_just_start(f, None):
|
|
trailer = " }"
|
|
else:
|
|
trailer = None
|
|
|
|
|
|
if f.can_be_large:
|
|
print('if (cmdlen <= gc->maxSmallRenderCommandSize) {')
|
|
print(' if ( (gc->pc + cmdlen) > gc->bufEnd ) {')
|
|
print(' (void) __glXFlushRenderBuffer(gc, gc->pc);')
|
|
print(' }')
|
|
|
|
if f.glx_rop == ~0:
|
|
opcode = "opcode"
|
|
else:
|
|
opcode = f.opcode_real_name()
|
|
|
|
print('emit_header(gc->pc, %s, cmdlen);' % (opcode))
|
|
|
|
self.pixel_emit_args( f, "gc->pc", 0 )
|
|
print('gc->pc += cmdlen;')
|
|
print('if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); }')
|
|
|
|
if f.can_be_large:
|
|
print('}')
|
|
print('else {')
|
|
|
|
self.large_emit_begin(f, opcode)
|
|
self.pixel_emit_args(f, "pc", 1)
|
|
|
|
print('}')
|
|
|
|
if trailer: print(trailer)
|
|
return
|
|
|
|
|
|
def printRenderFunction(self, f):
|
|
# There is a class of GL functions that take a single pointer
|
|
# as a parameter. This pointer points to a fixed-size chunk
|
|
# of data, and the protocol for this functions is very
|
|
# regular. Since they are so regular and there are so many
|
|
# of them, special case them with generic functions. On
|
|
# x86, this saves about 26KB in the libGL.so binary.
|
|
|
|
if f.variable_length_parameter() == None and len(f.parameters) == 1:
|
|
p = f.parameters[0]
|
|
if p.is_pointer():
|
|
cmdlen = f.command_fixed_length()
|
|
if cmdlen in self.generic_sizes:
|
|
print(' generic_%u_byte( %s, %s );' % (cmdlen, f.opcode_real_name(), p.name))
|
|
return
|
|
|
|
if self.common_func_print_just_start(f, None):
|
|
trailer = " }"
|
|
else:
|
|
trailer = None
|
|
|
|
if self.debug:
|
|
print('printf( "Enter %%s...\\n", "gl%s" );' % (f.name))
|
|
|
|
if f.can_be_large:
|
|
print('if (cmdlen <= gc->maxSmallRenderCommandSize) {')
|
|
print(' if ( (gc->pc + cmdlen) > gc->bufEnd ) {')
|
|
print(' (void) __glXFlushRenderBuffer(gc, gc->pc);')
|
|
print(' }')
|
|
|
|
print('emit_header(gc->pc, %s, cmdlen);' % (f.opcode_real_name()))
|
|
|
|
self.common_emit_args(f, "gc->pc", 4, 0)
|
|
print('gc->pc += cmdlen;')
|
|
print('if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }')
|
|
|
|
if f.can_be_large:
|
|
print('}')
|
|
print('else {')
|
|
|
|
self.large_emit_begin(f)
|
|
self.common_emit_args(f, "pc", 8, 1)
|
|
|
|
p = f.variable_length_parameter()
|
|
print(' __glXSendLargeCommand(gc, pc, %u, %s, %s);' % (p.offset + 8, p.name, p.size_string()))
|
|
print('}')
|
|
|
|
if self.debug:
|
|
print('__indirect_glFinish();')
|
|
print('printf( "Exit %%s.\\n", "gl%s" );' % (f.name))
|
|
|
|
if trailer: print(trailer)
|
|
return
|
|
|
|
|
|
class PrintGlxProtoInit_c(gl_XML.gl_print_base):
|
|
def __init__(self):
|
|
gl_XML.gl_print_base.__init__(self)
|
|
|
|
self.name = "glX_proto_send.py (from Mesa)"
|
|
self.license = license.bsd_license_template % ( \
|
|
"""Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
|
|
(C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
|
|
return
|
|
|
|
|
|
def printRealHeader(self):
|
|
print("""/**
|
|
* \\file indirect_init.c
|
|
* Initialize indirect rendering dispatch table.
|
|
*
|
|
* \\author Kevin E. Martin <kevin@precisioninsight.com>
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* \\author Brian Paul <brian@precisioninsight.com>
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* \\author Ian Romanick <idr@us.ibm.com>
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*/
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#include "indirect_init.h"
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#include "indirect.h"
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#include "glapi.h"
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#include <assert.h>
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#ifndef GLX_USE_APPLEGL
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/**
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* No-op function used to initialize functions that have no GLX protocol
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* support.
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*/
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static int NoOp(void)
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{
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return 0;
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}
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/**
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* Create and initialize a new GL dispatch table. The table is initialized
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* with GLX indirect rendering protocol functions.
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*/
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struct _glapi_table * __glXNewIndirectAPI( void )
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{
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_glapi_proc *table;
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unsigned entries;
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unsigned i;
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int o;
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entries = _glapi_get_dispatch_table_size();
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table = malloc(entries * sizeof(_glapi_proc));
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if (table == NULL)
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return NULL;
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/* first, set all entries to point to no-op functions */
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for (i = 0; i < entries; i++) {
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table[i] = (_glapi_proc) NoOp;
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}
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/* now, initialize the entries we understand */""")
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def printRealFooter(self):
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print("""
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return (struct _glapi_table *) table;
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}
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#endif
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""")
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return
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def printBody(self, api):
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for [name, number] in api.categoryIterate():
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if number != None:
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preamble = '\n /* %3u. %s */\n' % (int(number), name)
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else:
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preamble = '\n /* %s */\n' % (name)
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for func in api.functionIterateByCategory(name):
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if func.client_supported_for_indirect():
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if preamble:
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print(preamble)
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preamble = None
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if func.is_abi():
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print(' table[{offset}] = (_glapi_proc) __indirect_gl{name};'.format(name = func.name, offset = func.offset))
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else:
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print(' o = _glapi_get_proc_offset("gl{0}");'.format(func.name))
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print(' assert(o > 0);')
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print(' table[o] = (_glapi_proc) __indirect_gl{0};'.format(func.name))
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return
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class PrintGlxProtoInit_h(gl_XML.gl_print_base):
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def __init__(self):
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|
gl_XML.gl_print_base.__init__(self)
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|
|
self.name = "glX_proto_send.py (from Mesa)"
|
|
self.license = license.bsd_license_template % ( \
|
|
"""Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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(C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
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self.header_tag = "_INDIRECT_H_"
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self.last_category = ""
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return
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|
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|
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def printRealHeader(self):
|
|
print("""/**
|
|
* \\file
|
|
* Prototypes for indirect rendering functions.
|
|
*
|
|
* \\author Kevin E. Martin <kevin@precisioninsight.com>
|
|
* \\author Ian Romanick <idr@us.ibm.com>
|
|
*/
|
|
""")
|
|
self.printFastcall()
|
|
self.printNoinline()
|
|
|
|
print("""
|
|
#include <X11/Xfuncproto.h>
|
|
#include "glxclient.h"
|
|
|
|
extern _X_HIDDEN NOINLINE CARD32 __glXReadReply( Display *dpy, size_t size,
|
|
void * dest, GLboolean reply_is_always_array );
|
|
|
|
extern _X_HIDDEN NOINLINE void __glXReadPixelReply( Display *dpy,
|
|
struct glx_context * gc, unsigned max_dim, GLint width, GLint height,
|
|
GLint depth, GLenum format, GLenum type, void * dest,
|
|
GLboolean dimensions_in_reply );
|
|
|
|
extern _X_HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupSingleRequest(
|
|
struct glx_context * gc, GLint sop, GLint cmdlen );
|
|
|
|
extern _X_HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupVendorRequest(
|
|
struct glx_context * gc, GLint code, GLint vop, GLint cmdlen );
|
|
""")
|
|
|
|
|
|
def printBody(self, api):
|
|
for func in api.functionIterateGlx():
|
|
params = func.get_parameter_string()
|
|
|
|
print('extern _X_HIDDEN %s __indirect_gl%s(%s);' % (func.return_type, func.name, params))
|
|
|
|
for n in func.entry_points:
|
|
if func.has_different_protocol(n):
|
|
asdf = func.static_glx_name(n)
|
|
if asdf not in func.static_entry_points:
|
|
print('extern _X_HIDDEN %s gl%s(%s);' % (func.return_type, asdf, params))
|
|
# give it a easy-to-remember name
|
|
if func.client_handcode:
|
|
print('#define gl_dispatch_stub_%s gl%s' % (n, asdf))
|
|
else:
|
|
print('GLAPI %s GLAPIENTRY gl%s(%s);' % (func.return_type, asdf, params))
|
|
|
|
break
|
|
|
|
print('')
|
|
print('#ifdef GLX_INDIRECT_RENDERING')
|
|
print('extern _X_HIDDEN void (*__indirect_get_proc_address(const char *name))(void);')
|
|
print('#endif')
|
|
|
|
|
|
def _parser():
|
|
"""Parse input and returned a parsed namespace."""
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument('-f',
|
|
default='gl_API.xml',
|
|
dest='filename',
|
|
help='An XML file describing an API')
|
|
parser.add_argument('-m',
|
|
required=True,
|
|
dest='mode',
|
|
choices=frozenset(['proto', 'init_c', 'init_h']),
|
|
help='which file to generate')
|
|
parser.add_argument('-d',
|
|
action='store_true',
|
|
dest='debug',
|
|
help='turn debug mode on.')
|
|
return parser.parse_args()
|
|
|
|
|
|
def main():
|
|
"""Main function."""
|
|
args = _parser()
|
|
|
|
if args.mode == "proto":
|
|
printer = PrintGlxProtoStubs()
|
|
elif args.mode == "init_c":
|
|
printer = PrintGlxProtoInit_c()
|
|
elif args.mode == "init_h":
|
|
printer = PrintGlxProtoInit_h()
|
|
|
|
printer.debug = args.debug
|
|
api = gl_XML.parse_GL_API(args.filename, glX_XML.glx_item_factory())
|
|
|
|
printer.Print( api )
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|