1 ##########################################################################
3 # Copyright 2008-2010 VMware, Inc.
6 # Permission is hereby granted, free of charge, to any person obtaining a copy
7 # of this software and associated documentation files (the "Software"), to deal
8 # in the Software without restriction, including without limitation the rights
9 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 # copies of the Software, and to permit persons to whom the Software is
11 # furnished to do so, subject to the following conditions:
13 # The above copyright notice and this permission notice shall be included in
14 # all copies or substantial portions of the Software.
16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 ##########################################################################/
27 """GL tracing generator."""
30 import specs.stdapi as stdapi
31 import specs.glapi as glapi
32 import specs.glparams as glparams
33 from specs.glxapi import glxapi
34 from trace import Tracer
37 class TypeGetter(stdapi.Visitor):
38 '''Determine which glGet*v function that matches the specified type.'''
40 def __init__(self, prefix = 'glGet', long_suffix = True, ext_suffix = ''):
42 self.long_suffix = long_suffix
43 self.ext_suffix = ext_suffix
45 def visitConst(self, const):
46 return self.visit(const.type)
48 def visitAlias(self, alias):
49 if alias.expr == 'GLboolean':
56 elif alias.expr == 'GLdouble':
63 elif alias.expr == 'GLfloat':
70 elif alias.expr in ('GLint', 'GLuint', 'GLsizei'):
80 function_name = self.prefix + suffix + self.ext_suffix
81 return function_name, arg_type
83 def visitEnum(self, enum):
84 return self.visit(glapi.GLint)
86 def visitBitmask(self, bitmask):
87 return self.visit(glapi.GLint)
89 def visitOpaque(self, pointer):
90 return self.prefix + 'Pointerv' + self.ext_suffix, 'GLvoid *'
93 class GlTracer(Tracer):
100 ("TexCoord", "TEXTURE_COORD"),
101 ("EdgeFlag", "EDGE_FLAG"),
102 ("FogCoord", "FOG_COORD"),
103 ("SecondaryColor", "SECONDARY_COLOR"),
107 # arrays available in PROFILE_ES1
108 arrays_es1 = ("Vertex", "Normal", "Color", "TexCoord")
110 def header(self, api):
111 Tracer.header(self, api)
113 print '#include "gltrace.hpp"'
116 # Which glVertexAttrib* variant to use
117 print 'enum vertex_attrib {'
118 print ' VERTEX_ATTRIB,'
119 print ' VERTEX_ATTRIB_ARB,'
120 print ' VERTEX_ATTRIB_NV,'
123 print 'gltrace::Context *'
124 print 'gltrace::getContext(void)'
126 print ' // TODO return the context set by other APIs (GLX, EGL, and etc.)'
127 print ' static gltrace::Context __ctx = { gltrace::PROFILE_COMPAT, false, false, false };'
128 print ' return &__ctx;'
131 print 'static vertex_attrib __get_vertex_attrib(void) {'
132 print ' gltrace::Context *ctx = gltrace::getContext();'
133 print ' if (ctx->user_arrays_arb || ctx->user_arrays_nv) {'
134 print ' GLboolean __vertex_program = GL_FALSE;'
135 print ' __glGetBooleanv(GL_VERTEX_PROGRAM_ARB, &__vertex_program);'
136 print ' if (__vertex_program) {'
137 print ' if (ctx->user_arrays_nv) {'
138 print ' GLint __vertex_program_binding_nv = 0;'
139 print ' __glGetIntegerv(GL_VERTEX_PROGRAM_BINDING_NV, &__vertex_program_binding_nv);'
140 print ' if (__vertex_program_binding_nv) {'
141 print ' return VERTEX_ATTRIB_NV;'
144 print ' return VERTEX_ATTRIB_ARB;'
147 print ' return VERTEX_ATTRIB;'
151 # Whether we need user arrays
152 print 'static inline bool __need_user_arrays(void)'
154 print ' gltrace::Context *ctx = gltrace::getContext();'
155 print ' if (!ctx->user_arrays) {'
156 print ' return false;'
160 for camelcase_name, uppercase_name in self.arrays:
161 # in which profile is the array available?
162 profile_check = 'ctx->profile == gltrace::PROFILE_COMPAT'
163 if camelcase_name in self.arrays_es1:
164 profile_check = '(' + profile_check + ' || ctx->profile == gltrace::PROFILE_ES1)';
166 function_name = 'gl%sPointer' % camelcase_name
167 enable_name = 'GL_%s_ARRAY' % uppercase_name
168 binding_name = 'GL_%s_ARRAY_BUFFER_BINDING' % uppercase_name
169 print ' // %s' % function_name
170 print ' if (%s) {' % profile_check
171 self.array_prolog(api, uppercase_name)
172 print ' if (__glIsEnabled(%s)) {' % enable_name
173 print ' GLint __binding = 0;'
174 print ' __glGetIntegerv(%s, &__binding);' % binding_name
175 print ' if (!__binding) {'
176 self.array_cleanup(api, uppercase_name)
177 print ' return true;'
180 self.array_epilog(api, uppercase_name)
184 print ' // ES1 does not support generic vertex attributes'
185 print ' if (ctx->profile == gltrace::PROFILE_ES1)'
186 print ' return false;'
188 print ' vertex_attrib __vertex_attrib = __get_vertex_attrib();'
190 print ' // glVertexAttribPointer'
191 print ' if (__vertex_attrib == VERTEX_ATTRIB) {'
192 print ' GLint __max_vertex_attribs = 0;'
193 print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &__max_vertex_attribs);'
194 print ' for (GLint index = 0; index < __max_vertex_attribs; ++index) {'
195 print ' GLint __enabled = 0;'
196 print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED, &__enabled);'
197 print ' if (__enabled) {'
198 print ' GLint __binding = 0;'
199 print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, &__binding);'
200 print ' if (!__binding) {'
201 print ' return true;'
207 print ' // glVertexAttribPointerARB'
208 print ' if (__vertex_attrib == VERTEX_ATTRIB_ARB) {'
209 print ' GLint __max_vertex_attribs = 0;'
210 print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS_ARB, &__max_vertex_attribs);'
211 print ' for (GLint index = 0; index < __max_vertex_attribs; ++index) {'
212 print ' GLint __enabled = 0;'
213 print ' __glGetVertexAttribivARB(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB, &__enabled);'
214 print ' if (__enabled) {'
215 print ' GLint __binding = 0;'
216 print ' __glGetVertexAttribivARB(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB, &__binding);'
217 print ' if (!__binding) {'
218 print ' return true;'
224 print ' // glVertexAttribPointerNV'
225 print ' if (__vertex_attrib == VERTEX_ATTRIB_NV) {'
226 print ' for (GLint index = 0; index < 16; ++index) {'
227 print ' GLint __enabled = 0;'
228 print ' __glGetIntegerv(GL_VERTEX_ATTRIB_ARRAY0_NV + index, &__enabled);'
229 print ' if (__enabled) {'
230 print ' return true;'
236 print ' return false;'
240 print 'static void __trace_user_arrays(GLuint maxindex);'
243 print 'struct buffer_mapping {'
245 print ' GLint length;'
247 print ' bool explicit_flush;'
250 for target in self.buffer_targets:
251 print 'struct buffer_mapping __%s_mapping;' % target.lower();
253 print 'static inline struct buffer_mapping *'
254 print 'get_buffer_mapping(GLenum target) {'
255 print ' switch (target) {'
256 for target in self.buffer_targets:
257 print ' case GL_%s:' % target
258 print ' return & __%s_mapping;' % target.lower()
260 print ' os::log("apitrace: warning: unknown buffer target 0x%04X\\n", target);'
261 print ' return NULL;'
266 # Generate a helper function to determine whether a parameter name
267 # refers to a symbolic value or not
269 print 'is_symbolic_pname(GLenum pname) {'
270 print ' switch (pname) {'
271 for function, type, count, name in glparams.parameters:
272 if type is glapi.GLenum:
273 print ' case %s:' % name
274 print ' return true;'
276 print ' return false;'
281 # Generate a helper function to determine whether a parameter value is
282 # potentially symbolic or not; i.e., if the value can be represented in
284 print 'template<class T>'
285 print 'static inline bool'
286 print 'is_symbolic_param(T param) {'
287 print ' return static_cast<T>(static_cast<GLenum>(param)) == param;'
291 # Generate a helper function to know how many elements a parameter has
292 print 'static size_t'
293 print '__gl_param_size(GLenum pname) {'
294 print ' switch (pname) {'
295 for function, type, count, name in glparams.parameters:
297 print ' case %s: return %u;' % (name, count)
298 print ' case GL_COMPRESSED_TEXTURE_FORMATS: {'
299 print ' GLint num_compressed_texture_formats = 0;'
300 print ' __glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &num_compressed_texture_formats);'
301 print ' return num_compressed_texture_formats;'
304 print r' os::log("apitrace: warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);'
310 # states such as GL_UNPACK_ROW_LENGTH are not available in GLES
311 print 'static inline bool'
312 print 'can_unpack_subimage(void) {'
313 print ' gltrace::Context *ctx = gltrace::getContext();'
314 print ' return (ctx->profile == gltrace::PROFILE_COMPAT);'
318 array_pointer_function_names = set((
326 "glSecondaryColorPointer",
328 "glInterleavedArrays",
330 "glVertexPointerEXT",
331 "glNormalPointerEXT",
334 "glTexCoordPointerEXT",
335 "glEdgeFlagPointerEXT",
336 "glFogCoordPointerEXT",
337 "glSecondaryColorPointerEXT",
339 "glVertexAttribPointer",
340 "glVertexAttribPointerARB",
341 "glVertexAttribPointerNV",
342 "glVertexAttribIPointer",
343 "glVertexAttribIPointerEXT",
344 "glVertexAttribLPointer",
345 "glVertexAttribLPointerEXT",
347 #"glMatrixIndexPointerARB",
350 draw_function_names = set((
353 'glDrawRangeElements',
355 'glMultiDrawElements',
356 'glDrawArraysInstanced',
357 "glDrawArraysInstancedBaseInstance",
358 'glDrawElementsInstanced',
359 'glDrawArraysInstancedARB',
360 'glDrawElementsInstancedARB',
361 'glDrawElementsBaseVertex',
362 'glDrawRangeElementsBaseVertex',
363 'glDrawElementsInstancedBaseVertex',
364 "glDrawElementsInstancedBaseInstance",
365 "glDrawElementsInstancedBaseVertexBaseInstance",
366 'glMultiDrawElementsBaseVertex',
367 'glDrawArraysIndirect',
368 'glDrawElementsIndirect',
370 'glDrawRangeElementsEXT',
371 'glDrawRangeElementsEXT_size',
372 'glMultiDrawArraysEXT',
373 'glMultiDrawElementsEXT',
374 'glMultiModeDrawArraysIBM',
375 'glMultiModeDrawElementsIBM',
376 'glDrawArraysInstancedEXT',
377 'glDrawElementsInstancedEXT',
380 interleaved_formats = [
393 'GL_T2F_C4F_N3F_V3F',
394 'GL_T4F_C4F_N3F_V4F',
397 def traceFunctionImplBody(self, function):
398 # Defer tracing of user array pointers...
399 if function.name in self.array_pointer_function_names:
400 print ' GLint __array_buffer = 0;'
401 print ' __glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
402 print ' if (!__array_buffer) {'
403 print ' gltrace::Context *ctx = gltrace::getContext();'
404 print ' ctx->user_arrays = true;'
405 if function.name == "glVertexAttribPointerARB":
406 print ' ctx->user_arrays_arb = true;'
407 if function.name == "glVertexAttribPointerNV":
408 print ' ctx->user_arrays_nv = true;'
409 self.invokeFunction(function)
411 # And also break down glInterleavedArrays into the individual calls
412 if function.name == 'glInterleavedArrays':
415 # Initialize the enable flags
416 for camelcase_name, uppercase_name in self.arrays:
417 flag_name = '__' + uppercase_name.lower()
418 print ' GLboolean %s = GL_FALSE;' % flag_name
421 # Switch for the interleaved formats
422 print ' switch (format) {'
423 for format in self.interleaved_formats:
424 print ' case %s:' % format
425 for camelcase_name, uppercase_name in self.arrays:
426 flag_name = '__' + uppercase_name.lower()
427 if format.find('_' + uppercase_name[0]) >= 0:
428 print ' %s = GL_TRUE;' % flag_name
435 # Emit fake glEnableClientState/glDisableClientState flags
436 for camelcase_name, uppercase_name in self.arrays:
437 flag_name = '__' + uppercase_name.lower()
438 enable_name = 'GL_%s_ARRAY' % uppercase_name
440 # Emit a fake function
442 print ' static const trace::FunctionSig &__sig = %s ? __glEnableClientState_sig : __glDisableClientState_sig;' % flag_name
443 print ' unsigned __call = trace::localWriter.beginEnter(&__sig);'
444 print ' trace::localWriter.beginArg(0);'
445 self.serializeValue(glapi.GLenum, enable_name)
446 print ' trace::localWriter.endArg();'
447 print ' trace::localWriter.endEnter();'
448 print ' trace::localWriter.beginLeave(__call);'
449 print ' trace::localWriter.endLeave();'
455 # ... to the draw calls
456 if function.name in self.draw_function_names:
457 print ' if (__need_user_arrays()) {'
458 arg_names = ', '.join([arg.name for arg in function.args[1:]])
459 print ' GLuint maxindex = __%s_maxindex(%s);' % (function.name, arg_names)
460 print ' __trace_user_arrays(maxindex);'
463 # Emit a fake memcpy on buffer uploads
464 if function.name in ('glUnmapBuffer', 'glUnmapBufferARB', 'glUnmapBufferOES'):
465 print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
466 print ' if (mapping && mapping->write && !mapping->explicit_flush) {'
467 self.emit_memcpy('mapping->map', 'mapping->map', 'mapping->length')
469 if function.name == 'glUnmapNamedBufferEXT':
470 print ' GLint access_flags = 0;'
471 print ' __glGetNamedBufferParameterivEXT(buffer, GL_BUFFER_ACCESS_FLAGS, &access_flags);'
472 print ' if ((access_flags & GL_MAP_WRITE_BIT) && !(access_flags & GL_MAP_FLUSH_EXPLICIT_BIT)) {'
473 print ' GLvoid *map = NULL;'
474 print ' __glGetNamedBufferPointervEXT(buffer, GL_BUFFER_MAP_POINTER, &map);'
475 print ' GLint length = 0;'
476 print ' __glGetNamedBufferParameterivEXT(buffer, GL_BUFFER_MAP_LENGTH, &length);'
477 print ' if (map && length > 0) {'
478 self.emit_memcpy('map', 'map', 'length')
481 if function.name == 'glFlushMappedBufferRange':
482 print ' GLvoid *map = NULL;'
483 print ' __glGetBufferPointerv(target, GL_BUFFER_MAP_POINTER, &map);'
484 print ' if (map && length > 0) {'
485 self.emit_memcpy('(char *)map + offset', '(const char *)map + offset', 'length')
487 if function.name == 'glFlushMappedBufferRangeAPPLE':
488 print ' GLvoid *map = NULL;'
489 print ' __glGetBufferPointerv(target, GL_BUFFER_MAP_POINTER, &map);'
490 print ' if (map && size > 0) {'
491 self.emit_memcpy('(char *)map + offset', '(const char *)map + offset', 'size')
493 if function.name == 'glFlushMappedNamedBufferRangeEXT':
494 print ' GLvoid *map = NULL;'
495 print ' __glGetNamedBufferPointervEXT(buffer, GL_BUFFER_MAP_POINTER, &map);'
496 print ' if (map && length > 0) {'
497 self.emit_memcpy('(char *)map + offset', '(const char *)map + offset', 'length')
500 # Don't leave vertex attrib locations to chance. Instead emit fake
501 # glBindAttribLocation calls to ensure that the same locations will be
502 # used when retracing. Trying to remap locations after the fact would
503 # be an herculian task given that vertex attrib locations appear in
504 # many entry-points, including non-shader related ones.
505 if function.name == 'glLinkProgram':
506 Tracer.invokeFunction(self, function)
507 print ' GLint active_attributes = 0;'
508 print ' __glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &active_attributes);'
509 print ' for (GLint attrib = 0; attrib < active_attributes; ++attrib) {'
510 print ' GLint size = 0;'
511 print ' GLenum type = 0;'
512 print ' GLchar name[256];'
513 # TODO: Use ACTIVE_ATTRIBUTE_MAX_LENGTH instead of 256
514 print ' __glGetActiveAttrib(program, attrib, sizeof name, NULL, &size, &type, name);'
515 print " if (name[0] != 'g' || name[1] != 'l' || name[2] != '_') {"
516 print ' GLint location = __glGetAttribLocation(program, name);'
517 print ' if (location >= 0) {'
518 bind_function = glapi.glapi.get_function_by_name('glBindAttribLocation')
519 self.fake_call(bind_function, ['program', 'location', 'name'])
523 if function.name == 'glLinkProgramARB':
524 Tracer.invokeFunction(self, function)
525 print ' GLint active_attributes = 0;'
526 print ' __glGetObjectParameterivARB(programObj, GL_OBJECT_ACTIVE_ATTRIBUTES_ARB, &active_attributes);'
527 print ' for (GLint attrib = 0; attrib < active_attributes; ++attrib) {'
528 print ' GLint size = 0;'
529 print ' GLenum type = 0;'
530 print ' GLcharARB name[256];'
531 # TODO: Use ACTIVE_ATTRIBUTE_MAX_LENGTH instead of 256
532 print ' __glGetActiveAttribARB(programObj, attrib, sizeof name, NULL, &size, &type, name);'
533 print " if (name[0] != 'g' || name[1] != 'l' || name[2] != '_') {"
534 print ' GLint location = __glGetAttribLocationARB(programObj, name);'
535 print ' if (location >= 0) {'
536 bind_function = glapi.glapi.get_function_by_name('glBindAttribLocationARB')
537 self.fake_call(bind_function, ['programObj', 'location', 'name'])
542 Tracer.traceFunctionImplBody(self, function)
545 # GL_GREMEDY_string_marker
546 'glStringMarkerGREMEDY',
547 # GL_GREMEDY_frame_terminator
548 'glFrameTerminatorGREMEDY',
549 # GL_EXT_debug_marker
550 'glInsertEventMarkerEXT',
551 'glPushGroupMarkerEXT',
552 'glPopGroupMarkerEXT',
555 def invokeFunction(self, function):
556 if function.name in ('glLinkProgram', 'glLinkProgramARB'):
557 # These functions have been dispatched already
560 # We implement GL_EXT_debug_marker, GL_GREMEDY_*, etc., and not the
562 if function.name in self.marker_functions:
565 if function.name in ('glXGetProcAddress', 'glXGetProcAddressARB', 'wglGetProcAddress'):
567 for marker_function in self.marker_functions:
568 if self.api.get_function_by_name(marker_function):
569 print ' %sif (strcmp("%s", (const char *)%s) == 0) {' % (else_, marker_function, function.args[0].name)
570 print ' __result = (%s)&%s;' % (function.type, marker_function)
574 Tracer.invokeFunction(self, function)
578 # Override GL extensions
579 if function.name in ('glGetString', 'glGetIntegerv', 'glGetStringi'):
580 Tracer.invokeFunction(self, function, prefix = 'gltrace::__', suffix = '_override')
583 Tracer.invokeFunction(self, function)
587 'ELEMENT_ARRAY_BUFFER',
589 'PIXEL_UNPACK_BUFFER',
592 'TRANSFORM_FEEDBACK_BUFFER',
595 'DRAW_INDIRECT_BUFFER',
596 'ATOMIC_COUNTER_BUFFER',
599 def wrapRet(self, function, instance):
600 Tracer.wrapRet(self, function, instance)
603 if function.name in ('glMapBuffer', 'glMapBufferARB', 'glMapBufferOES'):
604 print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
605 print ' if (mapping) {'
606 print ' mapping->map = %s;' % (instance)
607 print ' mapping->length = 0;'
608 print ' __glGetBufferParameteriv(target, GL_BUFFER_SIZE, &mapping->length);'
609 print ' mapping->write = (access != GL_READ_ONLY);'
610 print ' mapping->explicit_flush = false;'
613 if function.name == 'glMapBufferRange':
614 print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
615 print ' if (mapping) {'
616 print ' mapping->map = %s;' % (instance)
617 print ' mapping->length = length;'
618 print ' mapping->write = access & GL_MAP_WRITE_BIT;'
619 print ' mapping->explicit_flush = access & GL_MAP_FLUSH_EXPLICIT_BIT;'
627 def gl_boolean(self, value):
628 return self.boolean_names[int(bool(value))]
630 # Names of the functions that unpack from a pixel buffer object. See the
631 # ARB_pixel_buffer_object specification.
632 unpack_function_names = set([
636 'glCompressedTexImage1D',
637 'glCompressedTexImage2D',
638 'glCompressedTexImage3D',
639 'glCompressedTexSubImage1D',
640 'glCompressedTexSubImage2D',
641 'glCompressedTexSubImage3D',
642 'glConvolutionFilter1D',
643 'glConvolutionFilter2D',
645 'glMultiTexImage1DEXT',
646 'glMultiTexImage2DEXT',
647 'glMultiTexImage3DEXT',
648 'glMultiTexSubImage1DEXT',
649 'glMultiTexSubImage2DEXT',
650 'glMultiTexSubImage3DEXT',
655 'glSeparableFilter2D',
663 'glTexSubImage1DEXT',
665 'glTexSubImage2DEXT',
667 'glTexSubImage3DEXT',
668 'glTextureImage1DEXT',
669 'glTextureImage2DEXT',
670 'glTextureImage3DEXT',
671 'glTextureSubImage1DEXT',
672 'glTextureSubImage2DEXT',
673 'glTextureSubImage3DEXT',
676 def serializeArgValue(self, function, arg):
677 if function.name in self.draw_function_names and arg.name == 'indices':
678 print ' GLint __element_array_buffer = 0;'
679 print ' __glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
680 print ' if (!__element_array_buffer) {'
681 if isinstance(arg.type, stdapi.Array):
682 print ' trace::localWriter.beginArray(%s);' % arg.type.length
683 print ' for(GLsizei i = 0; i < %s; ++i) {' % arg.type.length
684 print ' trace::localWriter.beginElement();'
685 print ' trace::localWriter.writeBlob(%s[i], count[i]*__gl_type_size(type));' % (arg.name)
686 print ' trace::localWriter.endElement();'
688 print ' trace::localWriter.endArray();'
690 print ' trace::localWriter.writeBlob(%s, count*__gl_type_size(type));' % (arg.name)
692 Tracer.serializeArgValue(self, function, arg)
696 # Recognize offsets instead of blobs when a PBO is bound
697 if function.name in self.unpack_function_names \
698 and (isinstance(arg.type, stdapi.Blob) \
699 or (isinstance(arg.type, stdapi.Const) \
700 and isinstance(arg.type.type, stdapi.Blob))):
702 print ' gltrace::Context *ctx = gltrace::getContext();'
703 print ' GLint __unpack_buffer = 0;'
704 print ' if (ctx->profile == gltrace::PROFILE_COMPAT)'
705 print ' __glGetIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING, &__unpack_buffer);'
706 print ' if (__unpack_buffer) {'
707 print ' trace::localWriter.writeOpaque(%s);' % arg.name
709 Tracer.serializeArgValue(self, function, arg)
714 # Several GL state functions take GLenum symbolic names as
715 # integer/floats; so dump the symbolic name whenever possible
716 if function.name.startswith('gl') \
717 and arg.type in (glapi.GLint, glapi.GLfloat, glapi.GLdouble) \
718 and arg.name == 'param':
720 assert function.args[arg.index - 1].name == 'pname'
721 assert function.args[arg.index - 1].type == glapi.GLenum
722 print ' if (is_symbolic_pname(pname) && is_symbolic_param(%s)) {' % arg.name
723 self.serializeValue(glapi.GLenum, arg.name)
725 Tracer.serializeArgValue(self, function, arg)
729 Tracer.serializeArgValue(self, function, arg)
731 def footer(self, api):
732 Tracer.footer(self, api)
734 # A simple state tracker to track the pointer values
736 print 'static void __trace_user_arrays(GLuint maxindex)'
738 print ' gltrace::Context *ctx = gltrace::getContext();'
740 for camelcase_name, uppercase_name in self.arrays:
741 # in which profile is the array available?
742 profile_check = 'ctx->profile == gltrace::PROFILE_COMPAT'
743 if camelcase_name in self.arrays_es1:
744 profile_check = '(' + profile_check + ' || ctx->profile == gltrace::PROFILE_ES1)';
746 function_name = 'gl%sPointer' % camelcase_name
747 enable_name = 'GL_%s_ARRAY' % uppercase_name
748 binding_name = 'GL_%s_ARRAY_BUFFER_BINDING' % uppercase_name
749 function = api.get_function_by_name(function_name)
751 print ' // %s' % function.prototype()
752 print ' if (%s) {' % profile_check
753 self.array_trace_prolog(api, uppercase_name)
754 self.array_prolog(api, uppercase_name)
755 print ' if (__glIsEnabled(%s)) {' % enable_name
756 print ' GLint __binding = 0;'
757 print ' __glGetIntegerv(%s, &__binding);' % binding_name
758 print ' if (!__binding) {'
760 # Get the arguments via glGet*
761 for arg in function.args:
762 arg_get_enum = 'GL_%s_ARRAY_%s' % (uppercase_name, arg.name.upper())
763 arg_get_function, arg_type = TypeGetter().visit(arg.type)
764 print ' %s %s = 0;' % (arg_type, arg.name)
765 print ' __%s(%s, &%s);' % (arg_get_function, arg_get_enum, arg.name)
767 arg_names = ', '.join([arg.name for arg in function.args[:-1]])
768 print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
770 # Emit a fake function
771 self.array_trace_intermezzo(api, uppercase_name)
772 print ' unsigned __call = trace::localWriter.beginEnter(&__%s_sig);' % (function.name,)
773 for arg in function.args:
774 assert not arg.output
775 print ' trace::localWriter.beginArg(%u);' % (arg.index,)
776 if arg.name != 'pointer':
777 self.serializeValue(arg.type, arg.name)
779 print ' trace::localWriter.writeBlob((const void *)%s, __size);' % (arg.name)
780 print ' trace::localWriter.endArg();'
782 print ' trace::localWriter.endEnter();'
783 print ' trace::localWriter.beginLeave(__call);'
784 print ' trace::localWriter.endLeave();'
787 self.array_epilog(api, uppercase_name)
788 self.array_trace_epilog(api, uppercase_name)
792 # Samething, but for glVertexAttribPointer*
794 # Some variants of glVertexAttribPointer alias conventional and generic attributes:
795 # - glVertexAttribPointer: no
796 # - glVertexAttribPointerARB: implementation dependent
797 # - glVertexAttribPointerNV: yes
799 # This means that the implementations of these functions do not always
800 # alias, and they need to be considered independently.
802 print ' // ES1 does not support generic vertex attributes'
803 print ' if (ctx->profile == gltrace::PROFILE_ES1)'
806 print ' vertex_attrib __vertex_attrib = __get_vertex_attrib();'
808 for suffix in ['', 'ARB', 'NV']:
810 SUFFIX = '_' + suffix
813 function_name = 'glVertexAttribPointer' + suffix
814 function = api.get_function_by_name(function_name)
816 print ' // %s' % function.prototype()
817 print ' if (__vertex_attrib == VERTEX_ATTRIB%s) {' % SUFFIX
819 print ' GLint __max_vertex_attribs = 16;'
821 print ' GLint __max_vertex_attribs = 0;'
822 print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &__max_vertex_attribs);'
823 print ' for (GLint index = 0; index < __max_vertex_attribs; ++index) {'
824 print ' GLint __enabled = 0;'
826 print ' __glGetIntegerv(GL_VERTEX_ATTRIB_ARRAY0_NV + index, &__enabled);'
828 print ' __glGetVertexAttribiv%s(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED%s, &__enabled);' % (suffix, SUFFIX)
829 print ' if (__enabled) {'
830 print ' GLint __binding = 0;'
832 # It doesn't seem possible to use VBOs with NV_vertex_program.
833 print ' __glGetVertexAttribiv%s(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING%s, &__binding);' % (suffix, SUFFIX)
834 print ' if (!__binding) {'
836 # Get the arguments via glGet*
837 for arg in function.args[1:]:
839 arg_get_enum = 'GL_ATTRIB_ARRAY_%s%s' % (arg.name.upper(), SUFFIX)
841 arg_get_enum = 'GL_VERTEX_ATTRIB_ARRAY_%s%s' % (arg.name.upper(), SUFFIX)
842 arg_get_function, arg_type = TypeGetter('glGetVertexAttrib', False, suffix).visit(arg.type)
843 print ' %s %s = 0;' % (arg_type, arg.name)
844 print ' __%s(index, %s, &%s);' % (arg_get_function, arg_get_enum, arg.name)
846 arg_names = ', '.join([arg.name for arg in function.args[1:-1]])
847 print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
849 # Emit a fake function
850 print ' unsigned __call = trace::localWriter.beginEnter(&__%s_sig);' % (function.name,)
851 for arg in function.args:
852 assert not arg.output
853 print ' trace::localWriter.beginArg(%u);' % (arg.index,)
854 if arg.name != 'pointer':
855 self.serializeValue(arg.type, arg.name)
857 print ' trace::localWriter.writeBlob((const void *)%s, __size);' % (arg.name)
858 print ' trace::localWriter.endArg();'
860 print ' trace::localWriter.endEnter();'
861 print ' trace::localWriter.beginLeave(__call);'
862 print ' trace::localWriter.endLeave();'
873 # Hooks for glTexCoordPointer, which is identical to the other array
874 # pointers except the fact that it is indexed by glClientActiveTexture.
877 def array_prolog(self, api, uppercase_name):
878 if uppercase_name == 'TEXTURE_COORD':
879 print ' GLint client_active_texture = 0;'
880 print ' __glGetIntegerv(GL_CLIENT_ACTIVE_TEXTURE, &client_active_texture);'
881 print ' GLint max_texture_coords = 0;'
882 print ' if (ctx->profile == gltrace::PROFILE_COMPAT)'
883 print ' __glGetIntegerv(GL_MAX_TEXTURE_COORDS, &max_texture_coords);'
885 print ' __glGetIntegerv(GL_MAX_TEXTURE_UNITS, &max_texture_coords);'
886 print ' for (GLint unit = 0; unit < max_texture_coords; ++unit) {'
887 print ' GLint texture = GL_TEXTURE0 + unit;'
888 print ' __glClientActiveTexture(texture);'
890 def array_trace_prolog(self, api, uppercase_name):
891 if uppercase_name == 'TEXTURE_COORD':
892 print ' bool client_active_texture_dirty = false;'
894 def array_epilog(self, api, uppercase_name):
895 if uppercase_name == 'TEXTURE_COORD':
897 self.array_cleanup(api, uppercase_name)
899 def array_cleanup(self, api, uppercase_name):
900 if uppercase_name == 'TEXTURE_COORD':
901 print ' __glClientActiveTexture(client_active_texture);'
903 def array_trace_intermezzo(self, api, uppercase_name):
904 if uppercase_name == 'TEXTURE_COORD':
905 print ' if (texture != client_active_texture || client_active_texture_dirty) {'
906 print ' client_active_texture_dirty = true;'
907 self.fake_glClientActiveTexture_call(api, "texture");
910 def array_trace_epilog(self, api, uppercase_name):
911 if uppercase_name == 'TEXTURE_COORD':
912 print ' if (client_active_texture_dirty) {'
913 self.fake_glClientActiveTexture_call(api, "client_active_texture");
916 def fake_glClientActiveTexture_call(self, api, texture):
917 function = api.get_function_by_name('glClientActiveTexture')
918 self.fake_call(function, [texture])
920 def fake_call(self, function, args):
921 print ' unsigned __fake_call = trace::localWriter.beginEnter(&__%s_sig);' % (function.name,)
922 for arg, instance in zip(function.args, args):
923 assert not arg.output
924 print ' trace::localWriter.beginArg(%u);' % (arg.index,)
925 self.serializeValue(arg.type, instance)
926 print ' trace::localWriter.endArg();'
927 print ' trace::localWriter.endEnter();'
928 print ' trace::localWriter.beginLeave(__fake_call);'
929 print ' trace::localWriter.endLeave();'