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);'
244 print '// whether glMapBufferRange(GL_MAP_WRITE_BIT) has ever been called'
245 print 'static bool __checkBufferMapRange = false;'
247 print '// whether glBufferParameteriAPPLE(GL_BUFFER_FLUSHING_UNMAP_APPLE, GL_FALSE) has ever been called'
248 print 'static bool __checkBufferFlushingUnmapAPPLE = false;'
250 # Buffer mapping information, necessary for old Mesa 2.1 drivers which
251 # do not support glGetBufferParameteriv(GL_BUFFER_ACCESS_FLAGS/GL_BUFFER_MAP_LENGTH)
252 print 'struct buffer_mapping {'
254 print ' GLint length;'
256 print ' bool explicit_flush;'
259 for target in self.buffer_targets:
260 print 'struct buffer_mapping __%s_mapping;' % target.lower();
262 print 'static inline struct buffer_mapping *'
263 print 'get_buffer_mapping(GLenum target) {'
264 print ' switch (target) {'
265 for target in self.buffer_targets:
266 print ' case GL_%s:' % target
267 print ' return & __%s_mapping;' % target.lower()
269 print ' os::log("apitrace: warning: unknown buffer target 0x%04X\\n", target);'
270 print ' return NULL;'
275 # Generate a helper function to determine whether a parameter name
276 # refers to a symbolic value or not
278 print 'is_symbolic_pname(GLenum pname) {'
279 print ' switch (pname) {'
280 for function, type, count, name in glparams.parameters:
281 if type is glapi.GLenum:
282 print ' case %s:' % name
283 print ' return true;'
285 print ' return false;'
290 # Generate a helper function to determine whether a parameter value is
291 # potentially symbolic or not; i.e., if the value can be represented in
293 print 'template<class T>'
294 print 'static inline bool'
295 print 'is_symbolic_param(T param) {'
296 print ' return static_cast<T>(static_cast<GLenum>(param)) == param;'
300 # Generate a helper function to know how many elements a parameter has
301 print 'static size_t'
302 print '__gl_param_size(GLenum pname) {'
303 print ' switch (pname) {'
304 for function, type, count, name in glparams.parameters:
306 print ' case %s: return %u;' % (name, count)
307 print ' case GL_COMPRESSED_TEXTURE_FORMATS: {'
308 print ' GLint num_compressed_texture_formats = 0;'
309 print ' __glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &num_compressed_texture_formats);'
310 print ' return num_compressed_texture_formats;'
313 print r' os::log("apitrace: warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);'
319 # states such as GL_UNPACK_ROW_LENGTH are not available in GLES
320 print 'static inline bool'
321 print 'can_unpack_subimage(void) {'
322 print ' gltrace::Context *ctx = gltrace::getContext();'
323 print ' return (ctx->profile == gltrace::PROFILE_COMPAT);'
327 array_pointer_function_names = set((
335 "glSecondaryColorPointer",
337 "glInterleavedArrays",
339 "glVertexPointerEXT",
340 "glNormalPointerEXT",
343 "glTexCoordPointerEXT",
344 "glEdgeFlagPointerEXT",
345 "glFogCoordPointerEXT",
346 "glSecondaryColorPointerEXT",
348 "glVertexAttribPointer",
349 "glVertexAttribPointerARB",
350 "glVertexAttribPointerNV",
351 "glVertexAttribIPointer",
352 "glVertexAttribIPointerEXT",
353 "glVertexAttribLPointer",
354 "glVertexAttribLPointerEXT",
356 #"glMatrixIndexPointerARB",
359 draw_function_names = set((
362 'glDrawRangeElements',
364 'glMultiDrawElements',
365 'glDrawArraysInstanced',
366 "glDrawArraysInstancedBaseInstance",
367 'glDrawElementsInstanced',
368 'glDrawArraysInstancedARB',
369 'glDrawElementsInstancedARB',
370 'glDrawElementsBaseVertex',
371 'glDrawRangeElementsBaseVertex',
372 'glDrawElementsInstancedBaseVertex',
373 "glDrawElementsInstancedBaseInstance",
374 "glDrawElementsInstancedBaseVertexBaseInstance",
375 'glMultiDrawElementsBaseVertex',
376 'glDrawArraysIndirect',
377 'glDrawElementsIndirect',
379 'glDrawRangeElementsEXT',
380 'glDrawRangeElementsEXT_size',
381 'glMultiDrawArraysEXT',
382 'glMultiDrawElementsEXT',
383 'glMultiModeDrawArraysIBM',
384 'glMultiModeDrawElementsIBM',
385 'glDrawArraysInstancedEXT',
386 'glDrawElementsInstancedEXT',
389 interleaved_formats = [
402 'GL_T2F_C4F_N3F_V3F',
403 'GL_T4F_C4F_N3F_V4F',
406 def traceFunctionImplBody(self, function):
407 # Defer tracing of user array pointers...
408 if function.name in self.array_pointer_function_names:
409 print ' GLint __array_buffer = 0;'
410 print ' __glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
411 print ' if (!__array_buffer) {'
412 print ' gltrace::Context *ctx = gltrace::getContext();'
413 print ' ctx->user_arrays = true;'
414 if function.name == "glVertexAttribPointerARB":
415 print ' ctx->user_arrays_arb = true;'
416 if function.name == "glVertexAttribPointerNV":
417 print ' ctx->user_arrays_nv = true;'
418 self.invokeFunction(function)
420 # And also break down glInterleavedArrays into the individual calls
421 if function.name == 'glInterleavedArrays':
424 # Initialize the enable flags
425 for camelcase_name, uppercase_name in self.arrays:
426 flag_name = '__' + uppercase_name.lower()
427 print ' GLboolean %s = GL_FALSE;' % flag_name
430 # Switch for the interleaved formats
431 print ' switch (format) {'
432 for format in self.interleaved_formats:
433 print ' case %s:' % format
434 for camelcase_name, uppercase_name in self.arrays:
435 flag_name = '__' + uppercase_name.lower()
436 if format.find('_' + uppercase_name[0]) >= 0:
437 print ' %s = GL_TRUE;' % flag_name
444 # Emit fake glEnableClientState/glDisableClientState flags
445 for camelcase_name, uppercase_name in self.arrays:
446 flag_name = '__' + uppercase_name.lower()
447 enable_name = 'GL_%s_ARRAY' % uppercase_name
449 # Emit a fake function
451 print ' static const trace::FunctionSig &__sig = %s ? __glEnableClientState_sig : __glDisableClientState_sig;' % flag_name
452 print ' unsigned __call = trace::localWriter.beginEnter(&__sig);'
453 print ' trace::localWriter.beginArg(0);'
454 self.serializeValue(glapi.GLenum, enable_name)
455 print ' trace::localWriter.endArg();'
456 print ' trace::localWriter.endEnter();'
457 print ' trace::localWriter.beginLeave(__call);'
458 print ' trace::localWriter.endLeave();'
464 # ... to the draw calls
465 if function.name in self.draw_function_names:
466 print ' if (__need_user_arrays()) {'
467 arg_names = ', '.join([arg.name for arg in function.args[1:]])
468 print ' GLuint maxindex = __%s_maxindex(%s);' % (function.name, arg_names)
469 print ' __trace_user_arrays(maxindex);'
472 # Emit a fake memcpy on buffer uploads
473 if function.name == 'glBufferParameteriAPPLE':
474 print ' if (pname == GL_BUFFER_FLUSHING_UNMAP_APPLE && param == GL_FALSE) {'
475 print ' __checkBufferFlushingUnmapAPPLE = true;'
477 if function.name in ('glUnmapBuffer', 'glUnmapBufferARB'):
478 if function.name.endswith('ARB'):
482 print ' GLint access = 0;'
483 print ' __glGetBufferParameteriv%s(target, GL_BUFFER_ACCESS, &access);' % suffix
484 print ' if (access != GL_READ_ONLY) {'
485 print ' GLvoid *map = NULL;'
486 print ' __glGetBufferPointerv%s(target, GL_BUFFER_MAP_POINTER, &map);' % suffix
488 print ' GLint length = -1;'
489 print ' bool flush = true;'
490 print ' if (__checkBufferMapRange) {'
491 print ' __glGetBufferParameteriv%s(target, GL_BUFFER_MAP_LENGTH, &length);' % suffix
492 print ' GLint access_flags = 0;'
493 print ' __glGetBufferParameteriv(target, GL_BUFFER_ACCESS_FLAGS, &access_flags);'
494 print ' flush = flush && !(access_flags & GL_MAP_FLUSH_EXPLICIT_BIT);'
495 print ' if (length == -1) {'
496 print ' // Mesa drivers refuse GL_BUFFER_MAP_LENGTH without GL 3.0'
497 print ' os::log("apitrace: warning: glGetBufferParameteriv%s(GL_BUFFER_MAP_LENGTH) failed\\n");' % suffix
498 print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
499 print ' if (mapping) {'
500 print ' length = mapping->length;'
501 print ' flush = flush && !mapping->explicit_flush;'
504 print ' flush = false;'
509 print ' __glGetBufferParameteriv%s(target, GL_BUFFER_SIZE, &length);' % suffix
511 print ' if (__checkBufferFlushingUnmapAPPLE) {'
512 print ' GLint flushing_unmap = GL_TRUE;'
513 print ' __glGetBufferParameteriv%s(target, GL_BUFFER_FLUSHING_UNMAP_APPLE, &flushing_unmap);' % suffix
514 print ' flush = flush && flushing_unmap;'
516 print ' if (flush && length > 0) {'
517 self.emit_memcpy('map', 'map', 'length')
521 if function.name == 'glUnmapBufferOES':
522 print ' GLint access = 0;'
523 print ' __glGetBufferParameteriv(target, GL_BUFFER_ACCESS_OES, &access);'
524 print ' if (access == GL_WRITE_ONLY_OES) {'
525 print ' GLvoid *map = NULL;'
526 print ' __glGetBufferPointervOES(target, GL_BUFFER_MAP_POINTER_OES, &map);'
527 print ' GLint size = 0;'
528 print ' __glGetBufferParameteriv(target, GL_BUFFER_SIZE, &size);'
529 print ' if (map && size > 0) {'
530 self.emit_memcpy('map', 'map', 'size')
533 if function.name == 'glUnmapNamedBufferEXT':
534 print ' GLint access_flags = 0;'
535 print ' __glGetNamedBufferParameterivEXT(buffer, GL_BUFFER_ACCESS_FLAGS, &access_flags);'
536 print ' if ((access_flags & GL_MAP_WRITE_BIT) && !(access_flags & GL_MAP_FLUSH_EXPLICIT_BIT)) {'
537 print ' GLvoid *map = NULL;'
538 print ' __glGetNamedBufferPointervEXT(buffer, GL_BUFFER_MAP_POINTER, &map);'
539 print ' GLint length = 0;'
540 print ' __glGetNamedBufferParameterivEXT(buffer, GL_BUFFER_MAP_LENGTH, &length);'
541 print ' if (map && length > 0) {'
542 self.emit_memcpy('map', 'map', 'length')
545 if function.name == 'glFlushMappedBufferRange':
546 print ' GLvoid *map = NULL;'
547 print ' __glGetBufferPointerv(target, GL_BUFFER_MAP_POINTER, &map);'
548 print ' if (map && length > 0) {'
549 self.emit_memcpy('(char *)map + offset', '(const char *)map + offset', 'length')
551 if function.name == 'glFlushMappedBufferRangeAPPLE':
552 print ' GLvoid *map = NULL;'
553 print ' __glGetBufferPointerv(target, GL_BUFFER_MAP_POINTER, &map);'
554 print ' if (map && size > 0) {'
555 self.emit_memcpy('(char *)map + offset', '(const char *)map + offset', 'size')
557 if function.name == 'glFlushMappedNamedBufferRangeEXT':
558 print ' GLvoid *map = NULL;'
559 print ' __glGetNamedBufferPointervEXT(buffer, GL_BUFFER_MAP_POINTER, &map);'
560 print ' if (map && length > 0) {'
561 self.emit_memcpy('(char *)map + offset', '(const char *)map + offset', 'length')
564 # Don't leave vertex attrib locations to chance. Instead emit fake
565 # glBindAttribLocation calls to ensure that the same locations will be
566 # used when retracing. Trying to remap locations after the fact would
567 # be an herculian task given that vertex attrib locations appear in
568 # many entry-points, including non-shader related ones.
569 if function.name == 'glLinkProgram':
570 Tracer.invokeFunction(self, function)
571 print ' GLint active_attributes = 0;'
572 print ' __glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &active_attributes);'
573 print ' for (GLint attrib = 0; attrib < active_attributes; ++attrib) {'
574 print ' GLint size = 0;'
575 print ' GLenum type = 0;'
576 print ' GLchar name[256];'
577 # TODO: Use ACTIVE_ATTRIBUTE_MAX_LENGTH instead of 256
578 print ' __glGetActiveAttrib(program, attrib, sizeof name, NULL, &size, &type, name);'
579 print " if (name[0] != 'g' || name[1] != 'l' || name[2] != '_') {"
580 print ' GLint location = __glGetAttribLocation(program, name);'
581 print ' if (location >= 0) {'
582 bind_function = glapi.glapi.get_function_by_name('glBindAttribLocation')
583 self.fake_call(bind_function, ['program', 'location', 'name'])
587 if function.name == 'glLinkProgramARB':
588 Tracer.invokeFunction(self, function)
589 print ' GLint active_attributes = 0;'
590 print ' __glGetObjectParameterivARB(programObj, GL_OBJECT_ACTIVE_ATTRIBUTES_ARB, &active_attributes);'
591 print ' for (GLint attrib = 0; attrib < active_attributes; ++attrib) {'
592 print ' GLint size = 0;'
593 print ' GLenum type = 0;'
594 print ' GLcharARB name[256];'
595 # TODO: Use ACTIVE_ATTRIBUTE_MAX_LENGTH instead of 256
596 print ' __glGetActiveAttribARB(programObj, attrib, sizeof name, NULL, &size, &type, name);'
597 print " if (name[0] != 'g' || name[1] != 'l' || name[2] != '_') {"
598 print ' GLint location = __glGetAttribLocationARB(programObj, name);'
599 print ' if (location >= 0) {'
600 bind_function = glapi.glapi.get_function_by_name('glBindAttribLocationARB')
601 self.fake_call(bind_function, ['programObj', 'location', 'name'])
606 Tracer.traceFunctionImplBody(self, function)
609 # GL_GREMEDY_string_marker
610 'glStringMarkerGREMEDY',
611 # GL_GREMEDY_frame_terminator
612 'glFrameTerminatorGREMEDY',
613 # GL_EXT_debug_marker
614 'glInsertEventMarkerEXT',
615 'glPushGroupMarkerEXT',
616 'glPopGroupMarkerEXT',
619 def invokeFunction(self, function):
620 if function.name in ('glLinkProgram', 'glLinkProgramARB'):
621 # These functions have been dispatched already
624 # We implement GL_EXT_debug_marker, GL_GREMEDY_*, etc., and not the
626 if function.name in self.marker_functions:
629 if function.name in ('glXGetProcAddress', 'glXGetProcAddressARB', 'wglGetProcAddress'):
631 for marker_function in self.marker_functions:
632 if self.api.get_function_by_name(marker_function):
633 print ' %sif (strcmp("%s", (const char *)%s) == 0) {' % (else_, marker_function, function.args[0].name)
634 print ' __result = (%s)&%s;' % (function.type, marker_function)
638 Tracer.invokeFunction(self, function)
642 # Override GL extensions
643 if function.name in ('glGetString', 'glGetIntegerv', 'glGetStringi'):
644 Tracer.invokeFunction(self, function, prefix = 'gltrace::__', suffix = '_override')
647 Tracer.invokeFunction(self, function)
651 'ELEMENT_ARRAY_BUFFER',
653 'PIXEL_UNPACK_BUFFER',
656 'TRANSFORM_FEEDBACK_BUFFER',
659 'DRAW_INDIRECT_BUFFER',
660 'ATOMIC_COUNTER_BUFFER',
663 def wrapRet(self, function, instance):
664 Tracer.wrapRet(self, function, instance)
666 # Keep track of buffer mappings
667 if function.name in ('glMapBuffer', 'glMapBufferARB'):
668 print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
669 print ' if (mapping) {'
670 print ' mapping->map = %s;' % (instance)
671 print ' mapping->length = 0;'
672 print ' __glGetBufferParameteriv(target, GL_BUFFER_SIZE, &mapping->length);'
673 print ' mapping->write = (access != GL_READ_ONLY);'
674 print ' mapping->explicit_flush = false;'
676 if function.name == 'glMapBufferRange':
677 print ' if (access & GL_MAP_WRITE_BIT) {'
678 print ' __checkBufferMapRange = true;'
680 print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
681 print ' if (mapping) {'
682 print ' mapping->map = %s;' % (instance)
683 print ' mapping->length = length;'
684 print ' mapping->write = access & GL_MAP_WRITE_BIT;'
685 print ' mapping->explicit_flush = access & GL_MAP_FLUSH_EXPLICIT_BIT;'
693 def gl_boolean(self, value):
694 return self.boolean_names[int(bool(value))]
696 # Names of the functions that unpack from a pixel buffer object. See the
697 # ARB_pixel_buffer_object specification.
698 unpack_function_names = set([
702 'glCompressedTexImage1D',
703 'glCompressedTexImage2D',
704 'glCompressedTexImage3D',
705 'glCompressedTexSubImage1D',
706 'glCompressedTexSubImage2D',
707 'glCompressedTexSubImage3D',
708 'glConvolutionFilter1D',
709 'glConvolutionFilter2D',
711 'glMultiTexImage1DEXT',
712 'glMultiTexImage2DEXT',
713 'glMultiTexImage3DEXT',
714 'glMultiTexSubImage1DEXT',
715 'glMultiTexSubImage2DEXT',
716 'glMultiTexSubImage3DEXT',
721 'glSeparableFilter2D',
729 'glTexSubImage1DEXT',
731 'glTexSubImage2DEXT',
733 'glTexSubImage3DEXT',
734 'glTextureImage1DEXT',
735 'glTextureImage2DEXT',
736 'glTextureImage3DEXT',
737 'glTextureSubImage1DEXT',
738 'glTextureSubImage2DEXT',
739 'glTextureSubImage3DEXT',
742 def serializeArgValue(self, function, arg):
743 if function.name in self.draw_function_names and arg.name == 'indices':
744 print ' GLint __element_array_buffer = 0;'
745 print ' __glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
746 print ' if (!__element_array_buffer) {'
747 if isinstance(arg.type, stdapi.Array):
748 print ' trace::localWriter.beginArray(%s);' % arg.type.length
749 print ' for(GLsizei i = 0; i < %s; ++i) {' % arg.type.length
750 print ' trace::localWriter.beginElement();'
751 print ' trace::localWriter.writeBlob(%s[i], count[i]*__gl_type_size(type));' % (arg.name)
752 print ' trace::localWriter.endElement();'
754 print ' trace::localWriter.endArray();'
756 print ' trace::localWriter.writeBlob(%s, count*__gl_type_size(type));' % (arg.name)
758 Tracer.serializeArgValue(self, function, arg)
762 # Recognize offsets instead of blobs when a PBO is bound
763 if function.name in self.unpack_function_names \
764 and (isinstance(arg.type, stdapi.Blob) \
765 or (isinstance(arg.type, stdapi.Const) \
766 and isinstance(arg.type.type, stdapi.Blob))):
768 print ' gltrace::Context *ctx = gltrace::getContext();'
769 print ' GLint __unpack_buffer = 0;'
770 print ' if (ctx->profile == gltrace::PROFILE_COMPAT)'
771 print ' __glGetIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING, &__unpack_buffer);'
772 print ' if (__unpack_buffer) {'
773 print ' trace::localWriter.writeOpaque(%s);' % arg.name
775 Tracer.serializeArgValue(self, function, arg)
780 # Several GL state functions take GLenum symbolic names as
781 # integer/floats; so dump the symbolic name whenever possible
782 if function.name.startswith('gl') \
783 and arg.type in (glapi.GLint, glapi.GLfloat, glapi.GLdouble) \
784 and arg.name == 'param':
786 assert function.args[arg.index - 1].name == 'pname'
787 assert function.args[arg.index - 1].type == glapi.GLenum
788 print ' if (is_symbolic_pname(pname) && is_symbolic_param(%s)) {' % arg.name
789 self.serializeValue(glapi.GLenum, arg.name)
791 Tracer.serializeArgValue(self, function, arg)
795 Tracer.serializeArgValue(self, function, arg)
797 def footer(self, api):
798 Tracer.footer(self, api)
800 # A simple state tracker to track the pointer values
802 print 'static void __trace_user_arrays(GLuint maxindex)'
804 print ' gltrace::Context *ctx = gltrace::getContext();'
806 for camelcase_name, uppercase_name in self.arrays:
807 # in which profile is the array available?
808 profile_check = 'ctx->profile == gltrace::PROFILE_COMPAT'
809 if camelcase_name in self.arrays_es1:
810 profile_check = '(' + profile_check + ' || ctx->profile == gltrace::PROFILE_ES1)';
812 function_name = 'gl%sPointer' % camelcase_name
813 enable_name = 'GL_%s_ARRAY' % uppercase_name
814 binding_name = 'GL_%s_ARRAY_BUFFER_BINDING' % uppercase_name
815 function = api.get_function_by_name(function_name)
817 print ' // %s' % function.prototype()
818 print ' if (%s) {' % profile_check
819 self.array_trace_prolog(api, uppercase_name)
820 self.array_prolog(api, uppercase_name)
821 print ' if (__glIsEnabled(%s)) {' % enable_name
822 print ' GLint __binding = 0;'
823 print ' __glGetIntegerv(%s, &__binding);' % binding_name
824 print ' if (!__binding) {'
826 # Get the arguments via glGet*
827 for arg in function.args:
828 arg_get_enum = 'GL_%s_ARRAY_%s' % (uppercase_name, arg.name.upper())
829 arg_get_function, arg_type = TypeGetter().visit(arg.type)
830 print ' %s %s = 0;' % (arg_type, arg.name)
831 print ' __%s(%s, &%s);' % (arg_get_function, arg_get_enum, arg.name)
833 arg_names = ', '.join([arg.name for arg in function.args[:-1]])
834 print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
836 # Emit a fake function
837 self.array_trace_intermezzo(api, uppercase_name)
838 print ' unsigned __call = trace::localWriter.beginEnter(&__%s_sig);' % (function.name,)
839 for arg in function.args:
840 assert not arg.output
841 print ' trace::localWriter.beginArg(%u);' % (arg.index,)
842 if arg.name != 'pointer':
843 self.serializeValue(arg.type, arg.name)
845 print ' trace::localWriter.writeBlob((const void *)%s, __size);' % (arg.name)
846 print ' trace::localWriter.endArg();'
848 print ' trace::localWriter.endEnter();'
849 print ' trace::localWriter.beginLeave(__call);'
850 print ' trace::localWriter.endLeave();'
853 self.array_epilog(api, uppercase_name)
854 self.array_trace_epilog(api, uppercase_name)
858 # Samething, but for glVertexAttribPointer*
860 # Some variants of glVertexAttribPointer alias conventional and generic attributes:
861 # - glVertexAttribPointer: no
862 # - glVertexAttribPointerARB: implementation dependent
863 # - glVertexAttribPointerNV: yes
865 # This means that the implementations of these functions do not always
866 # alias, and they need to be considered independently.
868 print ' // ES1 does not support generic vertex attributes'
869 print ' if (ctx->profile == gltrace::PROFILE_ES1)'
872 print ' vertex_attrib __vertex_attrib = __get_vertex_attrib();'
874 for suffix in ['', 'ARB', 'NV']:
876 SUFFIX = '_' + suffix
879 function_name = 'glVertexAttribPointer' + suffix
880 function = api.get_function_by_name(function_name)
882 print ' // %s' % function.prototype()
883 print ' if (__vertex_attrib == VERTEX_ATTRIB%s) {' % SUFFIX
885 print ' GLint __max_vertex_attribs = 16;'
887 print ' GLint __max_vertex_attribs = 0;'
888 print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &__max_vertex_attribs);'
889 print ' for (GLint index = 0; index < __max_vertex_attribs; ++index) {'
890 print ' GLint __enabled = 0;'
892 print ' __glGetIntegerv(GL_VERTEX_ATTRIB_ARRAY0_NV + index, &__enabled);'
894 print ' __glGetVertexAttribiv%s(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED%s, &__enabled);' % (suffix, SUFFIX)
895 print ' if (__enabled) {'
896 print ' GLint __binding = 0;'
898 # It doesn't seem possible to use VBOs with NV_vertex_program.
899 print ' __glGetVertexAttribiv%s(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING%s, &__binding);' % (suffix, SUFFIX)
900 print ' if (!__binding) {'
902 # Get the arguments via glGet*
903 for arg in function.args[1:]:
905 arg_get_enum = 'GL_ATTRIB_ARRAY_%s%s' % (arg.name.upper(), SUFFIX)
907 arg_get_enum = 'GL_VERTEX_ATTRIB_ARRAY_%s%s' % (arg.name.upper(), SUFFIX)
908 arg_get_function, arg_type = TypeGetter('glGetVertexAttrib', False, suffix).visit(arg.type)
909 print ' %s %s = 0;' % (arg_type, arg.name)
910 print ' __%s(index, %s, &%s);' % (arg_get_function, arg_get_enum, arg.name)
912 arg_names = ', '.join([arg.name for arg in function.args[1:-1]])
913 print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
915 # Emit a fake function
916 print ' unsigned __call = trace::localWriter.beginEnter(&__%s_sig);' % (function.name,)
917 for arg in function.args:
918 assert not arg.output
919 print ' trace::localWriter.beginArg(%u);' % (arg.index,)
920 if arg.name != 'pointer':
921 self.serializeValue(arg.type, arg.name)
923 print ' trace::localWriter.writeBlob((const void *)%s, __size);' % (arg.name)
924 print ' trace::localWriter.endArg();'
926 print ' trace::localWriter.endEnter();'
927 print ' trace::localWriter.beginLeave(__call);'
928 print ' trace::localWriter.endLeave();'
939 # Hooks for glTexCoordPointer, which is identical to the other array
940 # pointers except the fact that it is indexed by glClientActiveTexture.
943 def array_prolog(self, api, uppercase_name):
944 if uppercase_name == 'TEXTURE_COORD':
945 print ' GLint client_active_texture = 0;'
946 print ' __glGetIntegerv(GL_CLIENT_ACTIVE_TEXTURE, &client_active_texture);'
947 print ' GLint max_texture_coords = 0;'
948 print ' if (ctx->profile == gltrace::PROFILE_COMPAT)'
949 print ' __glGetIntegerv(GL_MAX_TEXTURE_COORDS, &max_texture_coords);'
951 print ' __glGetIntegerv(GL_MAX_TEXTURE_UNITS, &max_texture_coords);'
952 print ' for (GLint unit = 0; unit < max_texture_coords; ++unit) {'
953 print ' GLint texture = GL_TEXTURE0 + unit;'
954 print ' __glClientActiveTexture(texture);'
956 def array_trace_prolog(self, api, uppercase_name):
957 if uppercase_name == 'TEXTURE_COORD':
958 print ' bool client_active_texture_dirty = false;'
960 def array_epilog(self, api, uppercase_name):
961 if uppercase_name == 'TEXTURE_COORD':
963 self.array_cleanup(api, uppercase_name)
965 def array_cleanup(self, api, uppercase_name):
966 if uppercase_name == 'TEXTURE_COORD':
967 print ' __glClientActiveTexture(client_active_texture);'
969 def array_trace_intermezzo(self, api, uppercase_name):
970 if uppercase_name == 'TEXTURE_COORD':
971 print ' if (texture != client_active_texture || client_active_texture_dirty) {'
972 print ' client_active_texture_dirty = true;'
973 self.fake_glClientActiveTexture_call(api, "texture");
976 def array_trace_epilog(self, api, uppercase_name):
977 if uppercase_name == 'TEXTURE_COORD':
978 print ' if (client_active_texture_dirty) {'
979 self.fake_glClientActiveTexture_call(api, "client_active_texture");
982 def fake_glClientActiveTexture_call(self, api, texture):
983 function = api.get_function_by_name('glClientActiveTexture')
984 self.fake_call(function, [texture])
986 def fake_call(self, function, args):
987 print ' unsigned __fake_call = trace::localWriter.beginEnter(&__%s_sig);' % (function.name,)
988 for arg, instance in zip(function.args, args):
989 assert not arg.output
990 print ' trace::localWriter.beginArg(%u);' % (arg.index,)
991 self.serializeValue(arg.type, instance)
992 print ' trace::localWriter.endArg();'
993 print ' trace::localWriter.endEnter();'
994 print ' trace::localWriter.beginLeave(__fake_call);'
995 print ' trace::localWriter.endLeave();'