2 # (C) Copyright IBM Corporation 2004, 2005
4 # Copyright (c) 2015 Intel Corporation
6 # Permission is hereby granted, free of charge, to any person obtaining a
7 # copy of this software and associated documentation files (the "Software"),
8 # to deal in the Software without restriction, including without limitation
9 # on the rights to use, copy, modify, merge, publish, distribute, sub
10 # license, and/or sell copies of the Software, and to permit persons to whom
11 # the Software is furnished to do so, subject to the following conditions:
13 # The above copyright notice and this permission notice (including the next
14 # paragraph) shall be included in all copies or substantial portions of the
17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
20 # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
26 # Ian Romanick <idr@us.ibm.com>
27 # Jeremy Kolb <jkolb@brandeis.edu>
29 from __future__
import division
, print_function
33 import gl_XML
, glX_XML
, glX_proto_common
, license
36 def convertStringForXCB(str):
41 if str[i
:i
+3] in special
:
42 tmp
= '%s_%s' % (tmp
, str[i
:i
+3].lower())
44 elif str[i
].isupper():
45 tmp
= '%s_%s' % (tmp
, str[i
].lower())
47 tmp
= '%s%s' % (tmp
, str[i
])
51 def hash_pixel_function(func
):
52 """Generate a 'unique' key for a pixel function. The key is based on
53 the parameters written in the command packet. This includes any
54 padding that might be added for the original function and the 'NULL
61 for param
in func
.parameterIterateGlxSend():
63 [dim
, junk
, junk
, junk
, junk
] = param
.get_dimensions()
66 hash_pre
= "%uD%uD_" % (d
- 1, d
)
68 if param
.img_null_flag
:
71 h
+= "%u" % (param
.size())
73 if func
.pad_after(param
):
77 n
= func
.name
.replace("%uD" % (dim
), "")
78 n
= "__glx_%s_%uD%uD" % (n
, d
- 1, d
)
80 h
= hash_pre
+ h
+ hash_suf
84 class glx_pixel_function_stub(glX_XML
.glx_function
):
85 """Dummy class used to generate pixel "utility" functions that are
86 shared by multiple dimension image functions. For example, these
87 objects are used to generate shared functions used to send GLX
88 protocol for TexImage1D and TexImage2D, TexSubImage1D and
89 TexSubImage2D, etc."""
91 def __init__(self
, func
, name
):
92 # The parameters to the utility function are the same as the
93 # parameters to the real function except for the added "pad"
99 self
.parameters_by_name
= {}
100 for _p
in func
.parameterIterator():
102 self
.parameters
.append(p
)
103 self
.parameters_by_name
[ p
.name
] = p
107 self
.images
.append(p
)
110 if p
.img_yoff
== None:
111 p
.img_yoff
= "yoffset"
117 if p
.img_woff
== None:
118 p
.img_woff
= "woffset"
121 pad_name
= func
.pad_after(p
)
125 self
.parameters
.append(pad
)
126 self
.parameters_by_name
[ pad
.name
] = pad
129 self
.return_type
= func
.return_type
133 self
.glx_vendorpriv
= 0
135 self
.glx_doubles_in_order
= func
.glx_doubles_in_order
137 self
.vectorequiv
= None
139 self
.can_be_large
= func
.can_be_large
140 self
.reply_always_array
= func
.reply_always_array
141 self
.dimensions_in_reply
= func
.dimensions_in_reply
142 self
.img_reset
= None
144 self
.server_handcode
= 0
145 self
.client_handcode
= 0
148 self
.count_parameter_list
= func
.count_parameter_list
149 self
.counter_list
= func
.counter_list
150 self
.offsets_calculated
= 0
154 class PrintGlxProtoStubs(glX_proto_common
.glx_print_proto
):
156 glX_proto_common
.glx_print_proto
.__init
__(self
)
157 self
.name
= "glX_proto_send.py (from Mesa)"
158 self
.license
= license
.bsd_license_template
% ( "(C) Copyright IBM Corporation 2004, 2005", "IBM")
161 self
.last_category
= ""
162 self
.generic_sizes
= [3, 4, 6, 8, 12, 16, 24, 32]
163 self
.pixel_stubs
= {}
167 def printRealHeader(self
):
169 print('#include <GL/gl.h>')
170 print('#include "indirect.h"')
171 print('#include "glxclient.h"')
172 print('#include "indirect_size.h"')
173 print('#include "glapi.h"')
174 print('#include <GL/glxproto.h>')
175 print('#include <X11/Xlib-xcb.h>')
176 print('#include <xcb/xcb.h>')
177 print('#include <xcb/glx.h>')
178 print('#include <limits.h>')
185 print('static _X_INLINE int safe_add(int a, int b)')
187 print(' if (a < 0 || b < 0) return -1;')
188 print(' if (INT_MAX - a < b) return -1;')
189 print(' return a + b;')
191 print('static _X_INLINE int safe_mul(int a, int b)')
193 print(' if (a < 0 || b < 0) return -1;')
194 print(' if (a == 0 || b == 0) return 0;')
195 print(' if (a > INT_MAX / b) return -1;')
196 print(' return a * b;')
198 print('static _X_INLINE int safe_pad(int a)')
201 print(' if (a < 0) return -1;')
202 print(' if ((ret = safe_add(a, 3)) < 0) return -1;')
203 print(' return ret & (GLuint)~3;')
207 print('#ifndef __GNUC__')
208 print('# define __builtin_expect(x, y) x')
211 print('/* If the size and opcode values are known at compile-time, this will, on')
212 print(' * x86 at least, emit them with a single instruction.')
214 print('#define emit_header(dest, op, size) \\')
215 print(' do { union { short s[2]; int i; } temp; \\')
216 print(' temp.s[0] = (size); temp.s[1] = (op); \\')
217 print(' *((int *)(dest)) = temp.i; } while(0)')
219 print("""NOINLINE CARD32
220 __glXReadReply( Display *dpy, size_t size, void * dest, GLboolean reply_is_always_array )
222 xGLXSingleReply reply;
224 (void) _XReply(dpy, (xReply *) & reply, 0, False);
226 if ((reply.length > 0) || reply_is_always_array) {
227 const GLint bytes = (reply_is_always_array)
228 ? (4 * reply.length) : (reply.size * size);
229 const GLint extra = 4 - (bytes & 3);
231 _XRead(dpy, dest, bytes);
233 _XEatData(dpy, extra);
237 (void) memcpy( dest, &(reply.pad3), size);
245 __glXReadPixelReply( Display *dpy, struct glx_context * gc, unsigned max_dim,
246 GLint width, GLint height, GLint depth, GLenum format, GLenum type,
247 void * dest, GLboolean dimensions_in_reply )
249 xGLXSingleReply reply;
252 (void) _XReply(dpy, (xReply *) & reply, 0, False);
254 if ( dimensions_in_reply ) {
259 if ((height == 0) || (max_dim < 2)) { height = 1; }
260 if ((depth == 0) || (max_dim < 3)) { depth = 1; }
263 size = reply.length * 4;
265 void * buf = malloc( size );
268 _XEatData(dpy, size);
269 __glXSetError(gc, GL_OUT_OF_MEMORY);
272 const GLint extra = 4 - (size & 3);
274 _XRead(dpy, buf, size);
276 _XEatData(dpy, extra);
279 __glEmptyImage(gc, 3, width, height, depth, format, type,
286 #define X_GLXSingle 0
288 NOINLINE FASTCALL GLubyte *
289 __glXSetupSingleRequest( struct glx_context * gc, GLint sop, GLint cmdlen )
292 Display * const dpy = gc->currentDpy;
294 (void) __glXFlushRenderBuffer(gc, gc->pc);
296 GetReqExtra(GLXSingle, cmdlen, req);
297 req->reqType = gc->majorOpcode;
298 req->contextTag = gc->currentContextTag;
300 return (GLubyte *)(req) + sz_xGLXSingleReq;
303 NOINLINE FASTCALL GLubyte *
304 __glXSetupVendorRequest( struct glx_context * gc, GLint code, GLint vop, GLint cmdlen )
306 xGLXVendorPrivateReq * req;
307 Display * const dpy = gc->currentDpy;
309 (void) __glXFlushRenderBuffer(gc, gc->pc);
311 GetReqExtra(GLXVendorPrivate, cmdlen, req);
312 req->reqType = gc->majorOpcode;
314 req->vendorCode = vop;
315 req->contextTag = gc->currentContextTag;
316 return (GLubyte *)(req) + sz_xGLXVendorPrivateReq;
319 const GLuint __glXDefaultPixelStore[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 1 };
321 #define zero (__glXDefaultPixelStore+0)
322 #define one (__glXDefaultPixelStore+8)
323 #define default_pixel_store_1D (__glXDefaultPixelStore+4)
324 #define default_pixel_store_1D_size 20
325 #define default_pixel_store_2D (__glXDefaultPixelStore+4)
326 #define default_pixel_store_2D_size 20
327 #define default_pixel_store_3D (__glXDefaultPixelStore+0)
328 #define default_pixel_store_3D_size 36
329 #define default_pixel_store_4D (__glXDefaultPixelStore+0)
330 #define default_pixel_store_4D_size 36
333 for size
in self
.generic_sizes
:
334 self
.print_generic_function(size
)
338 def printBody(self
, api
):
340 self
.pixel_stubs
= {}
343 for func
in api
.functionIterateGlx():
344 if func
.client_handcode
: continue
346 # If the function is a pixel function with a certain
347 # GLX protocol signature, create a fake stub function
348 # for it. For example, create a single stub function
349 # that is used to implement both glTexImage1D and
352 if func
.glx_rop
!= 0:
354 for image
in func
.get_images():
355 if image
.img_pad_dimensions
:
361 [h
, n
] = hash_pixel_function(func
)
364 self
.pixel_stubs
[ func
.name
] = n
365 if h
not in generated_stubs
:
366 generated_stubs
.append(h
)
368 fake_func
= glx_pixel_function_stub( func
, n
)
369 self
.printFunction(fake_func
, fake_func
.name
)
372 self
.printFunction(func
, func
.name
)
373 if func
.glx_sop
and func
.glx_vendorpriv
:
374 self
.printFunction(func
, func
.glx_vendorpriv_names
[0])
376 self
.printGetProcAddress(api
)
379 def printGetProcAddress(self
, api
):
381 for func
in api
.functionIterateGlx():
382 for n
in func
.entry_points
:
383 if func
.has_different_protocol(n
):
384 procs
[n
] = func
.static_glx_name(n
)
387 #ifdef GLX_INDIRECT_RENDERING
389 static const struct proc_pair
393 } proc_pairs[%d] = {""" % len(procs
))
394 names
= sorted(procs
.keys())
395 for i
in range(len(names
)):
396 comma
= ',' if i
< len(names
) - 1 else ''
397 print(' { "%s", (_glapi_proc) gl%s }%s' % (names
[i
], procs
[names
[i
]], comma
))
401 __indirect_get_proc_compare(const void *key, const void *memb)
403 const struct proc_pair *pair = (const struct proc_pair *) memb;
404 return strcmp((const char *) key, pair->name);
408 __indirect_get_proc_address(const char *name)
410 const struct proc_pair *pair;
415 pair = (const struct proc_pair *) bsearch((const void *) name,
416 (const void *) proc_pairs, ARRAY_SIZE(proc_pairs), sizeof(proc_pairs[0]),
417 __indirect_get_proc_compare);
419 return (pair) ? pair->proc : NULL;
422 #endif /* GLX_INDIRECT_RENDERING */
427 def printFunction(self
, func
, name
):
429 if func
.glx_rop
== ~
0:
430 print('static %s' % (func
.return_type
))
431 print('%s( unsigned opcode, unsigned dim, %s )' % (func
.name
, func
.get_parameter_string()))
434 if func
.has_different_protocol(name
):
435 if func
.return_type
== "void":
438 ret_string
= "return "
440 func_name
= func
.static_glx_name(name
)
441 print('#define %s %d' % (func
.opcode_vendor_name(name
), func
.glx_vendorpriv
))
442 print('%s gl%s(%s)' % (func
.return_type
, func_name
, func
.get_parameter_string()))
444 print(' struct glx_context * const gc = __glXGetCurrentContext();')
446 print('#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)')
447 print(' if (gc->isDirect) {')
448 print(' const _glapi_proc *const disp_table = (_glapi_proc *)GET_DISPATCH();')
449 print(' PFNGL%sPROC p =' % (name
.upper()))
450 print(' (PFNGL%sPROC) disp_table[%d];' % (name
.upper(), func
.offset
))
451 print(' %sp(%s);' % (ret_string
, func
.get_called_parameter_string()))
458 print('#define %s %d' % (func
.opcode_name(), func
.opcode_value()))
460 print('%s __indirect_gl%s(%s)' % (func
.return_type
, name
, func
.get_parameter_string()))
464 if func
.glx_rop
!= 0 or func
.vectorequiv
!= None:
466 self
.printPixelFunction(func
)
468 self
.printRenderFunction(func
)
469 elif func
.glx_sop
!= 0 or func
.glx_vendorpriv
!= 0:
470 self
.printSingleFunction(func
, name
)
473 print("/* Missing GLX protocol for %s. */" % (name
))
479 def print_generic_function(self
, n
):
481 print("""static FASTCALL NOINLINE void
482 generic_%u_byte( GLint rop, const void * ptr )
484 struct glx_context * const gc = __glXGetCurrentContext();
485 const GLuint cmdlen = %u;
487 emit_header(gc->pc, rop, cmdlen);
488 (void) memcpy((void *)(gc->pc + 4), ptr, %u);
490 if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }
492 """ % (n
, size
+ 4, size
))
496 def common_emit_one_arg(self
, p
, pc
, adjust
, extra_offset
):
500 src_ptr
= "&" + p
.name
503 print('(void) memset((void *)(%s + %u), 0, %s);' \
504 % (pc
, p
.offset
+ adjust
, p
.size_string() ))
505 elif not extra_offset
:
506 print('(void) memcpy((void *)(%s + %u), (void *)(%s), %s);' \
507 % (pc
, p
.offset
+ adjust
, src_ptr
, p
.size_string() ))
509 print('(void) memcpy((void *)(%s + %u + %s), (void *)(%s), %s);' \
510 % (pc
, p
.offset
+ adjust
, extra_offset
, src_ptr
, p
.size_string() ))
512 def common_emit_args(self
, f
, pc
, adjust
, skip_vla
):
515 for p
in f
.parameterIterateGlxSend( not skip_vla
):
516 if p
.name
!= f
.img_reset
:
517 self
.common_emit_one_arg(p
, pc
, adjust
, extra_offset
)
519 if p
.is_variable_length():
520 temp
= p
.size_string()
522 extra_offset
+= " + %s" % (temp
)
529 def pixel_emit_args(self
, f
, pc
, large
):
530 """Emit the arguments for a pixel function. This differs from
531 common_emit_args in that pixel functions may require padding
532 be inserted (i.e., for the missing width field for
533 TexImage1D), and they may also require a 'NULL image' flag
534 be inserted before the image data."""
541 for param
in f
.parameterIterateGlxSend():
542 if not param
.is_image():
543 self
.common_emit_one_arg(param
, pc
, adjust
, None)
545 if f
.pad_after(param
):
546 print('(void) memcpy((void *)(%s + %u), zero, 4);' % (pc
, (param
.offset
+ param
.size()) + adjust
))
549 [dim
, width
, height
, depth
, extent
] = param
.get_dimensions()
556 print('(void) memset((void *)(%s + %u), 0, %s);' \
557 % (pc
, (param
.offset
- 4) + adjust
, param
.size_string() ))
559 if param
.img_null_flag
:
561 print('(void) memcpy((void *)(%s + %u), zero, 4);' % (pc
, (param
.offset
- 4) + adjust
))
563 print('(void) memcpy((void *)(%s + %u), (void *)((%s == NULL) ? one : zero), 4);' % (pc
, (param
.offset
- 4) + adjust
, param
.name
))
566 pixHeaderPtr
= "%s + %u" % (pc
, adjust
)
567 pcPtr
= "%s + %u" % (pc
, param
.offset
+ adjust
)
570 if param
.img_send_null
:
571 condition
= '(compsize > 0) && (%s != NULL)' % (param
.name
)
573 condition
= 'compsize > 0'
575 print('if (%s) {' % (condition
))
576 print(' gc->fillImage(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
))
578 print(' (void) memcpy( %s, default_pixel_store_%uD, default_pixel_store_%uD_size );' % (pixHeaderPtr
, dim
, dim
))
581 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
))
586 def large_emit_begin(self
, f
, op_name
= None):
588 op_name
= f
.opcode_real_name()
590 print('const GLint op = %s;' % (op_name
))
591 print('const GLuint cmdlenLarge = cmdlen + 4;')
592 print('GLubyte * const pc = __glXFlushRenderBuffer(gc, gc->pc);')
593 print('(void) memcpy((void *)(pc + 0), (void *)(&cmdlenLarge), 4);')
594 print('(void) memcpy((void *)(pc + 4), (void *)(&op), 4);')
598 def common_func_print_just_start(self
, f
, name
):
599 print(' struct glx_context * const gc = __glXGetCurrentContext();')
601 # The only reason that single and vendor private commands need
602 # a variable called 'dpy' is because they use the SyncHandle
603 # macro. For whatever brain-dead reason, that macro is hard-
604 # coded to use a variable called 'dpy' instead of taking a
607 # FIXME Simplify the logic related to skip_condition and
608 # FIXME condition_list in this function. Basically, remove
609 # FIXME skip_condition, and just append the "dpy != NULL" type
610 # FIXME condition to condition_list from the start. The only
611 # FIXME reason it's done in this confusing way now is to
612 # FIXME minimize the diffs in the generated code.
615 for p
in f
.parameterIterateOutputs():
616 if p
.is_image() and (p
.img_format
!= "GL_COLOR_INDEX" or p
.img_type
!= "GL_BITMAP"):
617 print(' const __GLXattribute * const state = gc->client_state_private;')
620 print(' Display * const dpy = gc->currentDpy;')
621 skip_condition
= "dpy != NULL"
623 skip_condition
= "gc->currentDpy != NULL"
625 skip_condition
= None
628 if f
.return_type
!= 'void':
629 print(' %s retval = (%s) 0;' % (f
.return_type
, f
.return_type
))
632 if name
!= None and name
not in f
.glx_vendorpriv_names
:
633 print('#ifndef USE_XCB')
634 self
.emit_packet_size_calculation(f
, 0)
635 if name
!= None and name
not in f
.glx_vendorpriv_names
:
638 if f
.command_variable_length() != "":
639 print(" if (0%s < 0) {" % f
.command_variable_length())
640 print(" __glXSetError(gc, GL_INVALID_VALUE);")
641 if f
.return_type
!= 'void':
648 for p
in f
.parameterIterateCounters():
649 condition_list
.append( "%s >= 0" % (p
.name
) )
650 # 'counter' parameters cannot be negative
651 print(" if (%s < 0) {" % p
.name
)
652 print(" __glXSetError(gc, GL_INVALID_VALUE);")
653 if f
.return_type
!= 'void':
660 condition_list
.append( skip_condition
)
662 if len( condition_list
) > 0:
663 if len( condition_list
) > 1:
664 skip_condition
= "(%s)" % ") && (".join( condition_list
)
666 skip_condition
= "%s" % (condition_list
.pop(0))
668 print(' if (__builtin_expect(%s, 1)) {' % (skip_condition
))
674 def printSingleFunction(self
, f
, name
):
675 self
.common_func_print_just_start(f
, name
)
678 print(' printf( "Enter %%s...\\n", "gl%s" );' % (f
.name
))
680 if name
not in f
.glx_vendorpriv_names
:
683 print('#ifdef USE_XCB')
685 print(' printf("\\tUsing XCB.\\n");')
686 print(' xcb_connection_t *c = XGetXCBConnection(dpy);')
687 print(' (void) __glXFlushRenderBuffer(gc, gc->pc);')
688 xcb_name
= 'xcb_glx%s' % convertStringForXCB(name
)
693 for p
in f
.parameterIterator():
698 if p
.img_format
!= "GL_COLOR_INDEX" or p
.img_type
!= "GL_BITMAP":
699 extra_iparams
.append("state->storePack.swapEndian")
701 extra_iparams
.append("0")
703 # Hardcode this in. lsb_first param (apparently always GL_FALSE)
704 # also present in GetPolygonStipple, but taken care of above.
705 if xcb_name
== "xcb_glx_read_pixels":
706 extra_iparams
.append("0")
708 iparams
.append(p
.name
)
711 xcb_request
= '%s(%s)' % (xcb_name
, ", ".join(["c", "gc->currentContextTag"] + iparams
+ extra_iparams
))
714 print(' %s_reply_t *reply = %s_reply(c, %s, NULL);' % (xcb_name
, xcb_name
, xcb_request
))
716 if output
.is_image():
717 [dim
, w
, h
, d
, junk
] = output
.get_dimensions()
718 if f
.dimensions_in_reply
:
725 print(' if (%s == 0) { %s = 1; }' % (h
, h
))
729 print(' if (%s == 0) { %s = 1; }' % (d
, d
))
731 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
))
733 if f
.reply_always_array
:
734 print(' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output
.name
, xcb_name
, xcb_name
, output
.get_base_type_string()))
736 print(' /* the XXX_data_length() xcb function name is misleading, it returns the number */')
737 print(' /* of elements, not the length of the data part. A single element is embedded. */')
738 print(' if (%s_data_length(reply) == 1)' % (xcb_name
))
739 print(' (void)memcpy(%s, &reply->datum, sizeof(reply->datum));' % (output
.name
))
741 print(' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output
.name
, xcb_name
, xcb_name
, output
.get_base_type_string()))
743 if f
.return_type
!= 'void':
744 print(' retval = reply->ret_val;')
745 print(' free(reply);')
747 print(' ' + xcb_request
+ ';')
749 # End of XCB specific.
752 if f
.parameters
!= []:
753 pc_decl
= "GLubyte const * pc ="
757 if name
in f
.glx_vendorpriv_names
:
758 print(' %s __glXSetupVendorRequest(gc, %s, %s, cmdlen);' % (pc_decl
, f
.opcode_real_name(), f
.opcode_vendor_name(name
)))
760 print(' %s __glXSetupSingleRequest(gc, %s, cmdlen);' % (pc_decl
, f
.opcode_name()))
762 self
.common_emit_args(f
, "pc", 0, 0)
764 images
= f
.get_images()
768 o
= f
.command_fixed_length() - 4
769 print(' *(int32_t *)(pc + %u) = 0;' % (o
))
770 if img
.img_format
!= "GL_COLOR_INDEX" or img
.img_type
!= "GL_BITMAP":
771 print(' * (int8_t *)(pc + %u) = state->storePack.swapEndian;' % (o
))
774 print(' * (int8_t *)(pc + %u) = %s;' % (o
+ 1, f
.img_reset
))
779 if f
.return_type
!= 'void':
780 return_name
= " retval"
781 return_str
= " retval = (%s)" % (f
.return_type
)
783 return_str
= " (void)"
787 for p
in f
.parameterIterateOutputs():
789 [dim
, w
, h
, d
, junk
] = p
.get_dimensions()
790 if f
.dimensions_in_reply
:
791 print(" __glXReadPixelReply(dpy, gc, %u, 0, 0, 0, %s, %s, %s, GL_TRUE);" % (dim
, p
.img_format
, p
.img_type
, p
.name
))
793 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
))
797 if f
.reply_always_array
:
802 # gl_parameter.size() returns the size
803 # of the entire data item. If the
804 # item is a fixed-size array, this is
805 # the size of the whole array. This
806 # is not what __glXReadReply wants. It
807 # wants the size of a single data
808 # element in the reply packet.
809 # Dividing by the array size (1 for
810 # non-arrays) gives us this.
812 s
= p
.size() // p
.get_element_count()
813 print(" %s __glXReadReply(dpy, %s, %s, %s);" % (return_str
, s
, p
.name
, aa
))
817 # If a reply wasn't read to fill an output parameter,
818 # read a NULL reply to get the return value.
821 print(" %s __glXReadReply(dpy, 0, NULL, GL_FALSE);" % (return_str
))
825 # Only emit the extra glFinish call for functions
826 # that don't already require a reply from the server.
827 print(' __indirect_glFinish();')
830 print(' printf( "Exit %%s.\\n", "gl%s" );' % (name
))
833 print(' UnlockDisplay(dpy); SyncHandle();')
835 if name
not in f
.glx_vendorpriv_names
:
836 print('#endif /* USE_XCB */')
839 print(' return%s;' % (return_name
))
843 def printPixelFunction(self
, f
):
844 if f
.name
in self
.pixel_stubs
:
845 # Normally gl_function::get_parameter_string could be
846 # used. However, this call needs to have the missing
847 # dimensions (e.g., a fake height value for
848 # glTexImage1D) added in.
851 for param
in f
.parameterIterateGlxSend():
855 p_string
+= ", " + param
.name
858 [dim
, junk
, junk
, junk
, junk
] = param
.get_dimensions()
860 if f
.pad_after(param
):
863 print(' %s(%s, %u%s );' % (self
.pixel_stubs
[f
.name
] , f
.opcode_name(), dim
, p_string
))
867 if self
.common_func_print_just_start(f
, None):
874 print('if (cmdlen <= gc->maxSmallRenderCommandSize) {')
875 print(' if ( (gc->pc + cmdlen) > gc->bufEnd ) {')
876 print(' (void) __glXFlushRenderBuffer(gc, gc->pc);')
882 opcode
= f
.opcode_real_name()
884 print('emit_header(gc->pc, %s, cmdlen);' % (opcode
))
886 self
.pixel_emit_args( f
, "gc->pc", 0 )
887 print('gc->pc += cmdlen;')
888 print('if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); }')
894 self
.large_emit_begin(f
, opcode
)
895 self
.pixel_emit_args(f
, "pc", 1)
899 if trailer
: print(trailer
)
903 def printRenderFunction(self
, f
):
904 # There is a class of GL functions that take a single pointer
905 # as a parameter. This pointer points to a fixed-size chunk
906 # of data, and the protocol for this functions is very
907 # regular. Since they are so regular and there are so many
908 # of them, special case them with generic functions. On
909 # x86, this saves about 26KB in the libGL.so binary.
911 if f
.variable_length_parameter() == None and len(f
.parameters
) == 1:
914 cmdlen
= f
.command_fixed_length()
915 if cmdlen
in self
.generic_sizes
:
916 print(' generic_%u_byte( %s, %s );' % (cmdlen
, f
.opcode_real_name(), p
.name
))
919 if self
.common_func_print_just_start(f
, None):
925 print('printf( "Enter %%s...\\n", "gl%s" );' % (f
.name
))
928 print('if (cmdlen <= gc->maxSmallRenderCommandSize) {')
929 print(' if ( (gc->pc + cmdlen) > gc->bufEnd ) {')
930 print(' (void) __glXFlushRenderBuffer(gc, gc->pc);')
933 print('emit_header(gc->pc, %s, cmdlen);' % (f
.opcode_real_name()))
935 self
.common_emit_args(f
, "gc->pc", 4, 0)
936 print('gc->pc += cmdlen;')
937 print('if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }')
943 self
.large_emit_begin(f
)
944 self
.common_emit_args(f
, "pc", 8, 1)
946 p
= f
.variable_length_parameter()
947 print(' __glXSendLargeCommand(gc, pc, %u, %s, %s);' % (p
.offset
+ 8, p
.name
, p
.size_string()))
951 print('__indirect_glFinish();')
952 print('printf( "Exit %%s.\\n", "gl%s" );' % (f
.name
))
954 if trailer
: print(trailer
)
958 class PrintGlxProtoInit_c(gl_XML
.gl_print_base
):
960 gl_XML
.gl_print_base
.__init
__(self
)
962 self
.name
= "glX_proto_send.py (from Mesa)"
963 self
.license
= license
.bsd_license_template
% ( \
964 """Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
965 (C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
969 def printRealHeader(self
):
971 * \\file indirect_init.c
972 * Initialize indirect rendering dispatch table.
974 * \\author Kevin E. Martin <kevin@precisioninsight.com>
975 * \\author Brian Paul <brian@precisioninsight.com>
976 * \\author Ian Romanick <idr@us.ibm.com>
979 #include "indirect_init.h"
980 #include "indirect.h"
984 #ifndef GLX_USE_APPLEGL
987 * No-op function used to initialize functions that have no GLX protocol
990 static int NoOp(void)
996 * Create and initialize a new GL dispatch table. The table is initialized
997 * with GLX indirect rendering protocol functions.
999 struct _glapi_table * __glXNewIndirectAPI( void )
1006 entries = _glapi_get_dispatch_table_size();
1007 table = malloc(entries * sizeof(_glapi_proc));
1011 /* first, set all entries to point to no-op functions */
1012 for (i = 0; i < entries; i++) {
1013 table[i] = (_glapi_proc) NoOp;
1016 /* now, initialize the entries we understand */""")
1018 def printRealFooter(self
):
1020 return (struct _glapi_table *) table;
1028 def printBody(self
, api
):
1029 for [name
, number
] in api
.categoryIterate():
1031 preamble
= '\n /* %3u. %s */\n' % (int(number
), name
)
1033 preamble
= '\n /* %s */\n' % (name
)
1035 for func
in api
.functionIterateByCategory(name
):
1036 if func
.client_supported_for_indirect():
1042 print(' table[{offset}] = (_glapi_proc) __indirect_gl{name};'.format(name
= func
.name
, offset
= func
.offset
))
1044 print(' o = _glapi_get_proc_offset("gl{0}");'.format(func
.name
))
1045 print(' assert(o > 0);')
1046 print(' table[o] = (_glapi_proc) __indirect_gl{0};'.format(func
.name
))
1051 class PrintGlxProtoInit_h(gl_XML
.gl_print_base
):
1053 gl_XML
.gl_print_base
.__init
__(self
)
1055 self
.name
= "glX_proto_send.py (from Mesa)"
1056 self
.license
= license
.bsd_license_template
% ( \
1057 """Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
1058 (C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
1059 self
.header_tag
= "_INDIRECT_H_"
1061 self
.last_category
= ""
1065 def printRealHeader(self
):
1068 * Prototypes for indirect rendering functions.
1070 * \\author Kevin E. Martin <kevin@precisioninsight.com>
1071 * \\author Ian Romanick <idr@us.ibm.com>
1074 self
.printFastcall()
1075 self
.printNoinline()
1078 #include <X11/Xfuncproto.h>
1079 #include "glxclient.h"
1081 extern _X_HIDDEN NOINLINE CARD32 __glXReadReply( Display *dpy, size_t size,
1082 void * dest, GLboolean reply_is_always_array );
1084 extern _X_HIDDEN NOINLINE void __glXReadPixelReply( Display *dpy,
1085 struct glx_context * gc, unsigned max_dim, GLint width, GLint height,
1086 GLint depth, GLenum format, GLenum type, void * dest,
1087 GLboolean dimensions_in_reply );
1089 extern _X_HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupSingleRequest(
1090 struct glx_context * gc, GLint sop, GLint cmdlen );
1092 extern _X_HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupVendorRequest(
1093 struct glx_context * gc, GLint code, GLint vop, GLint cmdlen );
1097 def printBody(self
, api
):
1098 for func
in api
.functionIterateGlx():
1099 params
= func
.get_parameter_string()
1101 print('extern _X_HIDDEN %s __indirect_gl%s(%s);' % (func
.return_type
, func
.name
, params
))
1103 for n
in func
.entry_points
:
1104 if func
.has_different_protocol(n
):
1105 asdf
= func
.static_glx_name(n
)
1106 if asdf
not in func
.static_entry_points
:
1107 print('extern _X_HIDDEN %s gl%s(%s);' % (func
.return_type
, asdf
, params
))
1108 # give it a easy-to-remember name
1109 if func
.client_handcode
:
1110 print('#define gl_dispatch_stub_%s gl%s' % (n
, asdf
))
1112 print('GLAPI %s GLAPIENTRY gl%s(%s);' % (func
.return_type
, asdf
, params
))
1117 print('#ifdef GLX_INDIRECT_RENDERING')
1118 print('extern _X_HIDDEN void (*__indirect_get_proc_address(const char *name))(void);')
1123 """Parse input and returned a parsed namespace."""
1124 parser
= argparse
.ArgumentParser()
1125 parser
.add_argument('-f',
1126 default
='gl_API.xml',
1128 help='An XML file describing an API')
1129 parser
.add_argument('-m',
1132 choices
=frozenset(['proto', 'init_c', 'init_h']),
1133 help='which file to generate')
1134 parser
.add_argument('-d',
1135 action
='store_true',
1137 help='turn debug mode on.')
1138 return parser
.parse_args()
1142 """Main function."""
1145 if args
.mode
== "proto":
1146 printer
= PrintGlxProtoStubs()
1147 elif args
.mode
== "init_c":
1148 printer
= PrintGlxProtoInit_c()
1149 elif args
.mode
== "init_h":
1150 printer
= PrintGlxProtoInit_h()
1152 printer
.debug
= args
.debug
1153 api
= gl_XML
.parse_GL_API(args
.filename
, glX_XML
.glx_item_factory())
1155 printer
.Print( api
)
1158 if __name__
== '__main__':