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 in ('glFlushMappedBufferRange', 'glFlushMappedBufferRangeAPPLE'):
482 print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
483 print ' if (mapping) {'
484 if function.name.endswith('APPLE'):
485 print ' GLsizeiptr length = size;'
486 print ' mapping->explicit_flush = true;'
487 print ' //assert(offset + length <= mapping->length);'
488 self.emit_memcpy('(char *)mapping->map + offset', '(const char *)mapping->map + offset', 'length')
490 if function.name == 'glFlushMappedNamedBufferRangeEXT':
491 print ' GLvoid *map = NULL;'
492 print ' __glGetNamedBufferPointervEXT(buffer, GL_BUFFER_MAP_POINTER, &map);'
493 print ' if (map && length > 0) {'
494 self.emit_memcpy('(char *)map + offset', '(const char *)map + offset', 'length')
497 # Don't leave vertex attrib locations to chance. Instead emit fake
498 # glBindAttribLocation calls to ensure that the same locations will be
499 # used when retracing. Trying to remap locations after the fact would
500 # be an herculian task given that vertex attrib locations appear in
501 # many entry-points, including non-shader related ones.
502 if function.name == 'glLinkProgram':
503 Tracer.invokeFunction(self, function)
504 print ' GLint active_attributes = 0;'
505 print ' __glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &active_attributes);'
506 print ' for (GLint attrib = 0; attrib < active_attributes; ++attrib) {'
507 print ' GLint size = 0;'
508 print ' GLenum type = 0;'
509 print ' GLchar name[256];'
510 # TODO: Use ACTIVE_ATTRIBUTE_MAX_LENGTH instead of 256
511 print ' __glGetActiveAttrib(program, attrib, sizeof name, NULL, &size, &type, name);'
512 print " if (name[0] != 'g' || name[1] != 'l' || name[2] != '_') {"
513 print ' GLint location = __glGetAttribLocation(program, name);'
514 print ' if (location >= 0) {'
515 bind_function = glapi.glapi.get_function_by_name('glBindAttribLocation')
516 self.fake_call(bind_function, ['program', 'location', 'name'])
520 if function.name == 'glLinkProgramARB':
521 Tracer.invokeFunction(self, function)
522 print ' GLint active_attributes = 0;'
523 print ' __glGetObjectParameterivARB(programObj, GL_OBJECT_ACTIVE_ATTRIBUTES_ARB, &active_attributes);'
524 print ' for (GLint attrib = 0; attrib < active_attributes; ++attrib) {'
525 print ' GLint size = 0;'
526 print ' GLenum type = 0;'
527 print ' GLcharARB name[256];'
528 # TODO: Use ACTIVE_ATTRIBUTE_MAX_LENGTH instead of 256
529 print ' __glGetActiveAttribARB(programObj, attrib, sizeof name, NULL, &size, &type, name);'
530 print " if (name[0] != 'g' || name[1] != 'l' || name[2] != '_') {"
531 print ' GLint location = __glGetAttribLocationARB(programObj, name);'
532 print ' if (location >= 0) {'
533 bind_function = glapi.glapi.get_function_by_name('glBindAttribLocationARB')
534 self.fake_call(bind_function, ['programObj', 'location', 'name'])
539 Tracer.traceFunctionImplBody(self, function)
542 # GL_GREMEDY_string_marker
543 'glStringMarkerGREMEDY',
544 # GL_GREMEDY_frame_terminator
545 'glFrameTerminatorGREMEDY',
546 # GL_EXT_debug_marker
547 'glInsertEventMarkerEXT',
548 'glPushGroupMarkerEXT',
549 'glPopGroupMarkerEXT',
552 def invokeFunction(self, function):
553 if function.name in ('glLinkProgram', 'glLinkProgramARB'):
554 # These functions have been dispatched already
557 # We implement GL_EXT_debug_marker, GL_GREMEDY_*, etc., and not the
559 if function.name in self.marker_functions:
562 if function.name in ('glXGetProcAddress', 'glXGetProcAddressARB', 'wglGetProcAddress'):
564 for marker_function in self.marker_functions:
565 if self.api.get_function_by_name(marker_function):
566 print ' %sif (strcmp("%s", (const char *)%s) == 0) {' % (else_, marker_function, function.args[0].name)
567 print ' __result = (%s)&%s;' % (function.type, marker_function)
571 Tracer.invokeFunction(self, function)
575 # Override GL extensions
576 if function.name in ('glGetString', 'glGetIntegerv', 'glGetStringi'):
577 Tracer.invokeFunction(self, function, prefix = 'gltrace::__', suffix = '_override')
580 Tracer.invokeFunction(self, function)
584 'ELEMENT_ARRAY_BUFFER',
586 'PIXEL_UNPACK_BUFFER',
589 'TRANSFORM_FEEDBACK_BUFFER',
592 'DRAW_INDIRECT_BUFFER',
593 'ATOMIC_COUNTER_BUFFER',
596 def wrapRet(self, function, instance):
597 Tracer.wrapRet(self, function, instance)
600 if function.name in ('glMapBuffer', 'glMapBufferARB', 'glMapBufferOES'):
601 print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
602 print ' if (mapping) {'
603 print ' mapping->map = %s;' % (instance)
604 print ' mapping->length = 0;'
605 print ' __glGetBufferParameteriv(target, GL_BUFFER_SIZE, &mapping->length);'
606 print ' mapping->write = (access != GL_READ_ONLY);'
607 print ' mapping->explicit_flush = false;'
610 if function.name == 'glMapBufferRange':
611 print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
612 print ' if (mapping) {'
613 print ' mapping->map = %s;' % (instance)
614 print ' mapping->length = length;'
615 print ' mapping->write = access & GL_MAP_WRITE_BIT;'
616 print ' mapping->explicit_flush = access & GL_MAP_FLUSH_EXPLICIT_BIT;'
624 def gl_boolean(self, value):
625 return self.boolean_names[int(bool(value))]
627 # Names of the functions that unpack from a pixel buffer object. See the
628 # ARB_pixel_buffer_object specification.
629 unpack_function_names = set([
633 'glCompressedTexImage1D',
634 'glCompressedTexImage2D',
635 'glCompressedTexImage3D',
636 'glCompressedTexSubImage1D',
637 'glCompressedTexSubImage2D',
638 'glCompressedTexSubImage3D',
639 'glConvolutionFilter1D',
640 'glConvolutionFilter2D',
642 'glMultiTexImage1DEXT',
643 'glMultiTexImage2DEXT',
644 'glMultiTexImage3DEXT',
645 'glMultiTexSubImage1DEXT',
646 'glMultiTexSubImage2DEXT',
647 'glMultiTexSubImage3DEXT',
652 'glSeparableFilter2D',
660 'glTexSubImage1DEXT',
662 'glTexSubImage2DEXT',
664 'glTexSubImage3DEXT',
665 'glTextureImage1DEXT',
666 'glTextureImage2DEXT',
667 'glTextureImage3DEXT',
668 'glTextureSubImage1DEXT',
669 'glTextureSubImage2DEXT',
670 'glTextureSubImage3DEXT',
673 def serializeArgValue(self, function, arg):
674 if function.name in self.draw_function_names and arg.name == 'indices':
675 print ' GLint __element_array_buffer = 0;'
676 print ' __glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
677 print ' if (!__element_array_buffer) {'
678 if isinstance(arg.type, stdapi.Array):
679 print ' trace::localWriter.beginArray(%s);' % arg.type.length
680 print ' for(GLsizei i = 0; i < %s; ++i) {' % arg.type.length
681 print ' trace::localWriter.beginElement();'
682 print ' trace::localWriter.writeBlob(%s[i], count[i]*__gl_type_size(type));' % (arg.name)
683 print ' trace::localWriter.endElement();'
685 print ' trace::localWriter.endArray();'
687 print ' trace::localWriter.writeBlob(%s, count*__gl_type_size(type));' % (arg.name)
689 Tracer.serializeArgValue(self, function, arg)
693 # Recognize offsets instead of blobs when a PBO is bound
694 if function.name in self.unpack_function_names \
695 and (isinstance(arg.type, stdapi.Blob) \
696 or (isinstance(arg.type, stdapi.Const) \
697 and isinstance(arg.type.type, stdapi.Blob))):
699 print ' gltrace::Context *ctx = gltrace::getContext();'
700 print ' GLint __unpack_buffer = 0;'
701 print ' if (ctx->profile == gltrace::PROFILE_COMPAT)'
702 print ' __glGetIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING, &__unpack_buffer);'
703 print ' if (__unpack_buffer) {'
704 print ' trace::localWriter.writeOpaque(%s);' % arg.name
706 Tracer.serializeArgValue(self, function, arg)
711 # Several GL state functions take GLenum symbolic names as
712 # integer/floats; so dump the symbolic name whenever possible
713 if function.name.startswith('gl') \
714 and arg.type in (glapi.GLint, glapi.GLfloat, glapi.GLdouble) \
715 and arg.name == 'param':
717 assert function.args[arg.index - 1].name == 'pname'
718 assert function.args[arg.index - 1].type == glapi.GLenum
719 print ' if (is_symbolic_pname(pname) && is_symbolic_param(%s)) {' % arg.name
720 self.serializeValue(glapi.GLenum, arg.name)
722 Tracer.serializeArgValue(self, function, arg)
726 Tracer.serializeArgValue(self, function, arg)
728 def footer(self, api):
729 Tracer.footer(self, api)
731 # A simple state tracker to track the pointer values
733 print 'static void __trace_user_arrays(GLuint maxindex)'
735 print ' gltrace::Context *ctx = gltrace::getContext();'
737 for camelcase_name, uppercase_name in self.arrays:
738 # in which profile is the array available?
739 profile_check = 'ctx->profile == gltrace::PROFILE_COMPAT'
740 if camelcase_name in self.arrays_es1:
741 profile_check = '(' + profile_check + ' || ctx->profile == gltrace::PROFILE_ES1)';
743 function_name = 'gl%sPointer' % camelcase_name
744 enable_name = 'GL_%s_ARRAY' % uppercase_name
745 binding_name = 'GL_%s_ARRAY_BUFFER_BINDING' % uppercase_name
746 function = api.get_function_by_name(function_name)
748 print ' // %s' % function.prototype()
749 print ' if (%s) {' % profile_check
750 self.array_trace_prolog(api, uppercase_name)
751 self.array_prolog(api, uppercase_name)
752 print ' if (__glIsEnabled(%s)) {' % enable_name
753 print ' GLint __binding = 0;'
754 print ' __glGetIntegerv(%s, &__binding);' % binding_name
755 print ' if (!__binding) {'
757 # Get the arguments via glGet*
758 for arg in function.args:
759 arg_get_enum = 'GL_%s_ARRAY_%s' % (uppercase_name, arg.name.upper())
760 arg_get_function, arg_type = TypeGetter().visit(arg.type)
761 print ' %s %s = 0;' % (arg_type, arg.name)
762 print ' __%s(%s, &%s);' % (arg_get_function, arg_get_enum, arg.name)
764 arg_names = ', '.join([arg.name for arg in function.args[:-1]])
765 print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
767 # Emit a fake function
768 self.array_trace_intermezzo(api, uppercase_name)
769 print ' unsigned __call = trace::localWriter.beginEnter(&__%s_sig);' % (function.name,)
770 for arg in function.args:
771 assert not arg.output
772 print ' trace::localWriter.beginArg(%u);' % (arg.index,)
773 if arg.name != 'pointer':
774 self.serializeValue(arg.type, arg.name)
776 print ' trace::localWriter.writeBlob((const void *)%s, __size);' % (arg.name)
777 print ' trace::localWriter.endArg();'
779 print ' trace::localWriter.endEnter();'
780 print ' trace::localWriter.beginLeave(__call);'
781 print ' trace::localWriter.endLeave();'
784 self.array_epilog(api, uppercase_name)
785 self.array_trace_epilog(api, uppercase_name)
789 # Samething, but for glVertexAttribPointer*
791 # Some variants of glVertexAttribPointer alias conventional and generic attributes:
792 # - glVertexAttribPointer: no
793 # - glVertexAttribPointerARB: implementation dependent
794 # - glVertexAttribPointerNV: yes
796 # This means that the implementations of these functions do not always
797 # alias, and they need to be considered independently.
799 print ' // ES1 does not support generic vertex attributes'
800 print ' if (ctx->profile == gltrace::PROFILE_ES1)'
803 print ' vertex_attrib __vertex_attrib = __get_vertex_attrib();'
805 for suffix in ['', 'ARB', 'NV']:
807 SUFFIX = '_' + suffix
810 function_name = 'glVertexAttribPointer' + suffix
811 function = api.get_function_by_name(function_name)
813 print ' // %s' % function.prototype()
814 print ' if (__vertex_attrib == VERTEX_ATTRIB%s) {' % SUFFIX
816 print ' GLint __max_vertex_attribs = 16;'
818 print ' GLint __max_vertex_attribs = 0;'
819 print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &__max_vertex_attribs);'
820 print ' for (GLint index = 0; index < __max_vertex_attribs; ++index) {'
821 print ' GLint __enabled = 0;'
823 print ' __glGetIntegerv(GL_VERTEX_ATTRIB_ARRAY0_NV + index, &__enabled);'
825 print ' __glGetVertexAttribiv%s(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED%s, &__enabled);' % (suffix, SUFFIX)
826 print ' if (__enabled) {'
827 print ' GLint __binding = 0;'
829 # It doesn't seem possible to use VBOs with NV_vertex_program.
830 print ' __glGetVertexAttribiv%s(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING%s, &__binding);' % (suffix, SUFFIX)
831 print ' if (!__binding) {'
833 # Get the arguments via glGet*
834 for arg in function.args[1:]:
836 arg_get_enum = 'GL_ATTRIB_ARRAY_%s%s' % (arg.name.upper(), SUFFIX)
838 arg_get_enum = 'GL_VERTEX_ATTRIB_ARRAY_%s%s' % (arg.name.upper(), SUFFIX)
839 arg_get_function, arg_type = TypeGetter('glGetVertexAttrib', False, suffix).visit(arg.type)
840 print ' %s %s = 0;' % (arg_type, arg.name)
841 print ' __%s(index, %s, &%s);' % (arg_get_function, arg_get_enum, arg.name)
843 arg_names = ', '.join([arg.name for arg in function.args[1:-1]])
844 print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
846 # Emit a fake function
847 print ' unsigned __call = trace::localWriter.beginEnter(&__%s_sig);' % (function.name,)
848 for arg in function.args:
849 assert not arg.output
850 print ' trace::localWriter.beginArg(%u);' % (arg.index,)
851 if arg.name != 'pointer':
852 self.serializeValue(arg.type, arg.name)
854 print ' trace::localWriter.writeBlob((const void *)%s, __size);' % (arg.name)
855 print ' trace::localWriter.endArg();'
857 print ' trace::localWriter.endEnter();'
858 print ' trace::localWriter.beginLeave(__call);'
859 print ' trace::localWriter.endLeave();'
870 # Hooks for glTexCoordPointer, which is identical to the other array
871 # pointers except the fact that it is indexed by glClientActiveTexture.
874 def array_prolog(self, api, uppercase_name):
875 if uppercase_name == 'TEXTURE_COORD':
876 print ' GLint client_active_texture = 0;'
877 print ' __glGetIntegerv(GL_CLIENT_ACTIVE_TEXTURE, &client_active_texture);'
878 print ' GLint max_texture_coords = 0;'
879 print ' if (ctx->profile == gltrace::PROFILE_COMPAT)'
880 print ' __glGetIntegerv(GL_MAX_TEXTURE_COORDS, &max_texture_coords);'
882 print ' __glGetIntegerv(GL_MAX_TEXTURE_UNITS, &max_texture_coords);'
883 print ' for (GLint unit = 0; unit < max_texture_coords; ++unit) {'
884 print ' GLint texture = GL_TEXTURE0 + unit;'
885 print ' __glClientActiveTexture(texture);'
887 def array_trace_prolog(self, api, uppercase_name):
888 if uppercase_name == 'TEXTURE_COORD':
889 print ' bool client_active_texture_dirty = false;'
891 def array_epilog(self, api, uppercase_name):
892 if uppercase_name == 'TEXTURE_COORD':
894 self.array_cleanup(api, uppercase_name)
896 def array_cleanup(self, api, uppercase_name):
897 if uppercase_name == 'TEXTURE_COORD':
898 print ' __glClientActiveTexture(client_active_texture);'
900 def array_trace_intermezzo(self, api, uppercase_name):
901 if uppercase_name == 'TEXTURE_COORD':
902 print ' if (texture != client_active_texture || client_active_texture_dirty) {'
903 print ' client_active_texture_dirty = true;'
904 self.fake_glClientActiveTexture_call(api, "texture");
907 def array_trace_epilog(self, api, uppercase_name):
908 if uppercase_name == 'TEXTURE_COORD':
909 print ' if (client_active_texture_dirty) {'
910 self.fake_glClientActiveTexture_call(api, "client_active_texture");
913 def fake_glClientActiveTexture_call(self, api, texture):
914 function = api.get_function_by_name('glClientActiveTexture')
915 self.fake_call(function, [texture])
917 def fake_call(self, function, args):
918 print ' unsigned __fake_call = trace::localWriter.beginEnter(&__%s_sig);' % (function.name,)
919 for arg, instance in zip(function.args, args):
920 assert not arg.output
921 print ' trace::localWriter.beginArg(%u);' % (arg.index,)
922 self.serializeValue(arg.type, instance)
923 print ' trace::localWriter.endArg();'
924 print ' trace::localWriter.endEnter();'
925 print ' trace::localWriter.beginLeave(__fake_call);'
926 print ' trace::localWriter.endLeave();'