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('#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)')
445 print(' if (((struct glx_context *)__glXGetCurrentContext())->isDirect) {')
446 print(' const _glapi_proc *const disp_table = (_glapi_proc *)GET_DISPATCH();')
447 print(' PFNGL%sPROC p =' % (name
.upper()))
448 print(' (PFNGL%sPROC) disp_table[%d];' % (name
.upper(), func
.offset
))
449 print(' %sp(%s);' % (ret_string
, func
.get_called_parameter_string()))
456 print('#define %s %d' % (func
.opcode_name(), func
.opcode_value()))
458 print('%s __indirect_gl%s(%s)' % (func
.return_type
, name
, func
.get_parameter_string()))
462 if func
.glx_rop
!= 0 or func
.vectorequiv
!= None:
464 self
.printPixelFunction(func
)
466 self
.printRenderFunction(func
)
467 elif func
.glx_sop
!= 0 or func
.glx_vendorpriv
!= 0:
468 self
.printSingleFunction(func
, name
)
471 print("/* Missing GLX protocol for %s. */" % (name
))
477 def print_generic_function(self
, n
):
479 print("""static FASTCALL NOINLINE void
480 generic_%u_byte( GLint rop, const void * ptr )
482 struct glx_context * const gc = __glXGetCurrentContext();
483 const GLuint cmdlen = %u;
485 emit_header(gc->pc, rop, cmdlen);
486 (void) memcpy((void *)(gc->pc + 4), ptr, %u);
488 if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }
490 """ % (n
, size
+ 4, size
))
494 def common_emit_one_arg(self
, p
, pc
, adjust
, extra_offset
):
498 src_ptr
= "&" + p
.name
501 print('(void) memset((void *)(%s + %u), 0, %s);' \
502 % (pc
, p
.offset
+ adjust
, p
.size_string() ))
503 elif not extra_offset
:
504 print('(void) memcpy((void *)(%s + %u), (void *)(%s), %s);' \
505 % (pc
, p
.offset
+ adjust
, src_ptr
, p
.size_string() ))
507 print('(void) memcpy((void *)(%s + %u + %s), (void *)(%s), %s);' \
508 % (pc
, p
.offset
+ adjust
, extra_offset
, src_ptr
, p
.size_string() ))
510 def common_emit_args(self
, f
, pc
, adjust
, skip_vla
):
513 for p
in f
.parameterIterateGlxSend( not skip_vla
):
514 if p
.name
!= f
.img_reset
:
515 self
.common_emit_one_arg(p
, pc
, adjust
, extra_offset
)
517 if p
.is_variable_length():
518 temp
= p
.size_string()
520 extra_offset
+= " + %s" % (temp
)
527 def pixel_emit_args(self
, f
, pc
, large
):
528 """Emit the arguments for a pixel function. This differs from
529 common_emit_args in that pixel functions may require padding
530 be inserted (i.e., for the missing width field for
531 TexImage1D), and they may also require a 'NULL image' flag
532 be inserted before the image data."""
539 for param
in f
.parameterIterateGlxSend():
540 if not param
.is_image():
541 self
.common_emit_one_arg(param
, pc
, adjust
, None)
543 if f
.pad_after(param
):
544 print('(void) memcpy((void *)(%s + %u), zero, 4);' % (pc
, (param
.offset
+ param
.size()) + adjust
))
547 [dim
, width
, height
, depth
, extent
] = param
.get_dimensions()
554 print('(void) memset((void *)(%s + %u), 0, %s);' \
555 % (pc
, (param
.offset
- 4) + adjust
, param
.size_string() ))
557 if param
.img_null_flag
:
559 print('(void) memcpy((void *)(%s + %u), zero, 4);' % (pc
, (param
.offset
- 4) + adjust
))
561 print('(void) memcpy((void *)(%s + %u), (void *)((%s == NULL) ? one : zero), 4);' % (pc
, (param
.offset
- 4) + adjust
, param
.name
))
564 pixHeaderPtr
= "%s + %u" % (pc
, adjust
)
565 pcPtr
= "%s + %u" % (pc
, param
.offset
+ adjust
)
568 if param
.img_send_null
:
569 condition
= '(compsize > 0) && (%s != NULL)' % (param
.name
)
571 condition
= 'compsize > 0'
573 print('if (%s) {' % (condition
))
574 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
))
576 print(' (void) memcpy( %s, default_pixel_store_%uD, default_pixel_store_%uD_size );' % (pixHeaderPtr
, dim
, dim
))
579 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
))
584 def large_emit_begin(self
, f
, op_name
= None):
586 op_name
= f
.opcode_real_name()
588 print('const GLint op = %s;' % (op_name
))
589 print('const GLuint cmdlenLarge = cmdlen + 4;')
590 print('GLubyte * const pc = __glXFlushRenderBuffer(gc, gc->pc);')
591 print('(void) memcpy((void *)(pc + 0), (void *)(&cmdlenLarge), 4);')
592 print('(void) memcpy((void *)(pc + 4), (void *)(&op), 4);')
596 def common_func_print_just_start(self
, f
, name
):
597 print(' struct glx_context * const gc = __glXGetCurrentContext();')
599 # The only reason that single and vendor private commands need
600 # a variable called 'dpy' is because they use the SyncHandle
601 # macro. For whatever brain-dead reason, that macro is hard-
602 # coded to use a variable called 'dpy' instead of taking a
605 # FIXME Simplify the logic related to skip_condition and
606 # FIXME condition_list in this function. Basically, remove
607 # FIXME skip_condition, and just append the "dpy != NULL" type
608 # FIXME condition to condition_list from the start. The only
609 # FIXME reason it's done in this confusing way now is to
610 # FIXME minimize the diffs in the generated code.
613 for p
in f
.parameterIterateOutputs():
614 if p
.is_image() and (p
.img_format
!= "GL_COLOR_INDEX" or p
.img_type
!= "GL_BITMAP"):
615 print(' const __GLXattribute * const state = gc->client_state_private;')
618 print(' Display * const dpy = gc->currentDpy;')
619 skip_condition
= "dpy != NULL"
621 skip_condition
= "gc->currentDpy != NULL"
623 skip_condition
= None
626 if f
.return_type
!= 'void':
627 print(' %s retval = (%s) 0;' % (f
.return_type
, f
.return_type
))
630 if name
!= None and name
not in f
.glx_vendorpriv_names
:
631 print('#ifndef USE_XCB')
632 self
.emit_packet_size_calculation(f
, 0)
633 if name
!= None and name
not in f
.glx_vendorpriv_names
:
636 if f
.command_variable_length() != "":
637 print(" if (0%s < 0) {" % f
.command_variable_length())
638 print(" __glXSetError(gc, GL_INVALID_VALUE);")
639 if f
.return_type
!= 'void':
646 for p
in f
.parameterIterateCounters():
647 condition_list
.append( "%s >= 0" % (p
.name
) )
648 # 'counter' parameters cannot be negative
649 print(" if (%s < 0) {" % p
.name
)
650 print(" __glXSetError(gc, GL_INVALID_VALUE);")
651 if f
.return_type
!= 'void':
658 condition_list
.append( skip_condition
)
660 if len( condition_list
) > 0:
661 if len( condition_list
) > 1:
662 skip_condition
= "(%s)" % ") && (".join( condition_list
)
664 skip_condition
= "%s" % (condition_list
.pop(0))
666 print(' if (__builtin_expect(%s, 1)) {' % (skip_condition
))
672 def printSingleFunction(self
, f
, name
):
673 self
.common_func_print_just_start(f
, name
)
676 print(' printf( "Enter %%s...\\n", "gl%s" );' % (f
.name
))
678 if name
not in f
.glx_vendorpriv_names
:
681 print('#ifdef USE_XCB')
683 print(' printf("\\tUsing XCB.\\n");')
684 print(' xcb_connection_t *c = XGetXCBConnection(dpy);')
685 print(' (void) __glXFlushRenderBuffer(gc, gc->pc);')
686 xcb_name
= 'xcb_glx%s' % convertStringForXCB(name
)
691 for p
in f
.parameterIterator():
696 if p
.img_format
!= "GL_COLOR_INDEX" or p
.img_type
!= "GL_BITMAP":
697 extra_iparams
.append("state->storePack.swapEndian")
699 extra_iparams
.append("0")
701 # Hardcode this in. lsb_first param (apparently always GL_FALSE)
702 # also present in GetPolygonStipple, but taken care of above.
703 if xcb_name
== "xcb_glx_read_pixels":
704 extra_iparams
.append("0")
706 iparams
.append(p
.name
)
709 xcb_request
= '%s(%s)' % (xcb_name
, ", ".join(["c", "gc->currentContextTag"] + iparams
+ extra_iparams
))
712 print(' %s_reply_t *reply = %s_reply(c, %s, NULL);' % (xcb_name
, xcb_name
, xcb_request
))
714 if output
.is_image():
715 [dim
, w
, h
, d
, junk
] = output
.get_dimensions()
716 if f
.dimensions_in_reply
:
723 print(' if (%s == 0) { %s = 1; }' % (h
, h
))
727 print(' if (%s == 0) { %s = 1; }' % (d
, d
))
729 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
))
731 if f
.reply_always_array
:
732 print(' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output
.name
, xcb_name
, xcb_name
, output
.get_base_type_string()))
734 print(' /* the XXX_data_length() xcb function name is misleading, it returns the number */')
735 print(' /* of elements, not the length of the data part. A single element is embedded. */')
736 print(' if (%s_data_length(reply) == 1)' % (xcb_name
))
737 print(' (void)memcpy(%s, &reply->datum, sizeof(reply->datum));' % (output
.name
))
739 print(' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output
.name
, xcb_name
, xcb_name
, output
.get_base_type_string()))
741 if f
.return_type
!= 'void':
742 print(' retval = reply->ret_val;')
743 print(' free(reply);')
745 print(' ' + xcb_request
+ ';')
747 # End of XCB specific.
750 if f
.parameters
!= []:
751 pc_decl
= "GLubyte const * pc ="
755 if name
in f
.glx_vendorpriv_names
:
756 print(' %s __glXSetupVendorRequest(gc, %s, %s, cmdlen);' % (pc_decl
, f
.opcode_real_name(), f
.opcode_vendor_name(name
)))
758 print(' %s __glXSetupSingleRequest(gc, %s, cmdlen);' % (pc_decl
, f
.opcode_name()))
760 self
.common_emit_args(f
, "pc", 0, 0)
762 images
= f
.get_images()
766 o
= f
.command_fixed_length() - 4
767 print(' *(int32_t *)(pc + %u) = 0;' % (o
))
768 if img
.img_format
!= "GL_COLOR_INDEX" or img
.img_type
!= "GL_BITMAP":
769 print(' * (int8_t *)(pc + %u) = state->storePack.swapEndian;' % (o
))
772 print(' * (int8_t *)(pc + %u) = %s;' % (o
+ 1, f
.img_reset
))
777 if f
.return_type
!= 'void':
778 return_name
= " retval"
779 return_str
= " retval = (%s)" % (f
.return_type
)
781 return_str
= " (void)"
785 for p
in f
.parameterIterateOutputs():
787 [dim
, w
, h
, d
, junk
] = p
.get_dimensions()
788 if f
.dimensions_in_reply
:
789 print(" __glXReadPixelReply(dpy, gc, %u, 0, 0, 0, %s, %s, %s, GL_TRUE);" % (dim
, p
.img_format
, p
.img_type
, p
.name
))
791 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
))
795 if f
.reply_always_array
:
800 # gl_parameter.size() returns the size
801 # of the entire data item. If the
802 # item is a fixed-size array, this is
803 # the size of the whole array. This
804 # is not what __glXReadReply wants. It
805 # wants the size of a single data
806 # element in the reply packet.
807 # Dividing by the array size (1 for
808 # non-arrays) gives us this.
810 s
= p
.size() // p
.get_element_count()
811 print(" %s __glXReadReply(dpy, %s, %s, %s);" % (return_str
, s
, p
.name
, aa
))
815 # If a reply wasn't read to fill an output parameter,
816 # read a NULL reply to get the return value.
819 print(" %s __glXReadReply(dpy, 0, NULL, GL_FALSE);" % (return_str
))
823 # Only emit the extra glFinish call for functions
824 # that don't already require a reply from the server.
825 print(' __indirect_glFinish();')
828 print(' printf( "Exit %%s.\\n", "gl%s" );' % (name
))
831 print(' UnlockDisplay(dpy); SyncHandle();')
833 if name
not in f
.glx_vendorpriv_names
:
834 print('#endif /* USE_XCB */')
837 print(' return%s;' % (return_name
))
841 def printPixelFunction(self
, f
):
842 if f
.name
in self
.pixel_stubs
:
843 # Normally gl_function::get_parameter_string could be
844 # used. However, this call needs to have the missing
845 # dimensions (e.g., a fake height value for
846 # glTexImage1D) added in.
849 for param
in f
.parameterIterateGlxSend():
853 p_string
+= ", " + param
.name
856 [dim
, junk
, junk
, junk
, junk
] = param
.get_dimensions()
858 if f
.pad_after(param
):
861 print(' %s(%s, %u%s );' % (self
.pixel_stubs
[f
.name
] , f
.opcode_name(), dim
, p_string
))
865 if self
.common_func_print_just_start(f
, None):
872 print('if (cmdlen <= gc->maxSmallRenderCommandSize) {')
873 print(' if ( (gc->pc + cmdlen) > gc->bufEnd ) {')
874 print(' (void) __glXFlushRenderBuffer(gc, gc->pc);')
880 opcode
= f
.opcode_real_name()
882 print('emit_header(gc->pc, %s, cmdlen);' % (opcode
))
884 self
.pixel_emit_args( f
, "gc->pc", 0 )
885 print('gc->pc += cmdlen;')
886 print('if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); }')
892 self
.large_emit_begin(f
, opcode
)
893 self
.pixel_emit_args(f
, "pc", 1)
897 if trailer
: print(trailer
)
901 def printRenderFunction(self
, f
):
902 # There is a class of GL functions that take a single pointer
903 # as a parameter. This pointer points to a fixed-size chunk
904 # of data, and the protocol for this functions is very
905 # regular. Since they are so regular and there are so many
906 # of them, special case them with generic functions. On
907 # x86, this saves about 26KB in the libGL.so binary.
909 if f
.variable_length_parameter() == None and len(f
.parameters
) == 1:
912 cmdlen
= f
.command_fixed_length()
913 if cmdlen
in self
.generic_sizes
:
914 print(' generic_%u_byte( %s, %s );' % (cmdlen
, f
.opcode_real_name(), p
.name
))
917 if self
.common_func_print_just_start(f
, None):
923 print('printf( "Enter %%s...\\n", "gl%s" );' % (f
.name
))
926 print('if (cmdlen <= gc->maxSmallRenderCommandSize) {')
927 print(' if ( (gc->pc + cmdlen) > gc->bufEnd ) {')
928 print(' (void) __glXFlushRenderBuffer(gc, gc->pc);')
931 print('emit_header(gc->pc, %s, cmdlen);' % (f
.opcode_real_name()))
933 self
.common_emit_args(f
, "gc->pc", 4, 0)
934 print('gc->pc += cmdlen;')
935 print('if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }')
941 self
.large_emit_begin(f
)
942 self
.common_emit_args(f
, "pc", 8, 1)
944 p
= f
.variable_length_parameter()
945 print(' __glXSendLargeCommand(gc, pc, %u, %s, %s);' % (p
.offset
+ 8, p
.name
, p
.size_string()))
949 print('__indirect_glFinish();')
950 print('printf( "Exit %%s.\\n", "gl%s" );' % (f
.name
))
952 if trailer
: print(trailer
)
956 class PrintGlxProtoInit_c(gl_XML
.gl_print_base
):
958 gl_XML
.gl_print_base
.__init
__(self
)
960 self
.name
= "glX_proto_send.py (from Mesa)"
961 self
.license
= license
.bsd_license_template
% ( \
962 """Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
963 (C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
967 def printRealHeader(self
):
969 * \\file indirect_init.c
970 * Initialize indirect rendering dispatch table.
972 * \\author Kevin E. Martin <kevin@precisioninsight.com>
973 * \\author Brian Paul <brian@precisioninsight.com>
974 * \\author Ian Romanick <idr@us.ibm.com>
977 #include "indirect_init.h"
978 #include "indirect.h"
982 #ifndef GLX_USE_APPLEGL
985 * No-op function used to initialize functions that have no GLX protocol
988 static int NoOp(void)
994 * Create and initialize a new GL dispatch table. The table is initialized
995 * with GLX indirect rendering protocol functions.
997 struct _glapi_table * __glXNewIndirectAPI( void )
1004 entries = _glapi_get_dispatch_table_size();
1005 table = malloc(entries * sizeof(_glapi_proc));
1009 /* first, set all entries to point to no-op functions */
1010 for (i = 0; i < entries; i++) {
1011 table[i] = (_glapi_proc) NoOp;
1014 /* now, initialize the entries we understand */""")
1016 def printRealFooter(self
):
1018 return (struct _glapi_table *) table;
1026 def printBody(self
, api
):
1027 for [name
, number
] in api
.categoryIterate():
1029 preamble
= '\n /* %3u. %s */\n' % (int(number
), name
)
1031 preamble
= '\n /* %s */\n' % (name
)
1033 for func
in api
.functionIterateByCategory(name
):
1034 if func
.client_supported_for_indirect():
1040 print(' table[{offset}] = (_glapi_proc) __indirect_gl{name};'.format(name
= func
.name
, offset
= func
.offset
))
1042 print(' o = _glapi_get_proc_offset("gl{0}");'.format(func
.name
))
1043 print(' assert(o > 0);')
1044 print(' table[o] = (_glapi_proc) __indirect_gl{0};'.format(func
.name
))
1049 class PrintGlxProtoInit_h(gl_XML
.gl_print_base
):
1051 gl_XML
.gl_print_base
.__init
__(self
)
1053 self
.name
= "glX_proto_send.py (from Mesa)"
1054 self
.license
= license
.bsd_license_template
% ( \
1055 """Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
1056 (C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
1057 self
.header_tag
= "_INDIRECT_H_"
1059 self
.last_category
= ""
1063 def printRealHeader(self
):
1066 * Prototypes for indirect rendering functions.
1068 * \\author Kevin E. Martin <kevin@precisioninsight.com>
1069 * \\author Ian Romanick <idr@us.ibm.com>
1072 self
.printFastcall()
1073 self
.printNoinline()
1076 #include <X11/Xfuncproto.h>
1077 #include "glxclient.h"
1079 extern _X_HIDDEN NOINLINE CARD32 __glXReadReply( Display *dpy, size_t size,
1080 void * dest, GLboolean reply_is_always_array );
1082 extern _X_HIDDEN NOINLINE void __glXReadPixelReply( Display *dpy,
1083 struct glx_context * gc, unsigned max_dim, GLint width, GLint height,
1084 GLint depth, GLenum format, GLenum type, void * dest,
1085 GLboolean dimensions_in_reply );
1087 extern _X_HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupSingleRequest(
1088 struct glx_context * gc, GLint sop, GLint cmdlen );
1090 extern _X_HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupVendorRequest(
1091 struct glx_context * gc, GLint code, GLint vop, GLint cmdlen );
1095 def printBody(self
, api
):
1096 for func
in api
.functionIterateGlx():
1097 params
= func
.get_parameter_string()
1099 print('extern _X_HIDDEN %s __indirect_gl%s(%s);' % (func
.return_type
, func
.name
, params
))
1101 for n
in func
.entry_points
:
1102 if func
.has_different_protocol(n
):
1103 asdf
= func
.static_glx_name(n
)
1104 if asdf
not in func
.static_entry_points
:
1105 print('extern _X_HIDDEN %s gl%s(%s);' % (func
.return_type
, asdf
, params
))
1106 # give it a easy-to-remember name
1107 if func
.client_handcode
:
1108 print('#define gl_dispatch_stub_%s gl%s' % (n
, asdf
))
1110 print('GLAPI %s GLAPIENTRY gl%s(%s);' % (func
.return_type
, asdf
, params
))
1115 print('#ifdef GLX_INDIRECT_RENDERING')
1116 print('extern _X_HIDDEN void (*__indirect_get_proc_address(const char *name))(void);')
1121 """Parse input and returned a parsed namespace."""
1122 parser
= argparse
.ArgumentParser()
1123 parser
.add_argument('-f',
1124 default
='gl_API.xml',
1126 help='An XML file describing an API')
1127 parser
.add_argument('-m',
1130 choices
=frozenset(['proto', 'init_c', 'init_h']),
1131 help='which file to generate')
1132 parser
.add_argument('-d',
1133 action
='store_true',
1135 help='turn debug mode on.')
1136 return parser
.parse_args()
1140 """Main function."""
1143 if args
.mode
== "proto":
1144 printer
= PrintGlxProtoStubs()
1145 elif args
.mode
== "init_c":
1146 printer
= PrintGlxProtoInit_c()
1147 elif args
.mode
== "init_h":
1148 printer
= PrintGlxProtoInit_h()
1150 printer
.debug
= args
.debug
1151 api
= gl_XML
.parse_GL_API(args
.filename
, glX_XML
.glx_item_factory())
1153 printer
.Print( api
)
1156 if __name__
== '__main__':