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."""
32 from glxapi import glxapi
33 from trace import Tracer, dump_instance
36 class TypeGetter(stdapi.Visitor):
37 '''Determine which glGet*v function that matches the specified type.'''
39 def __init__(self, prefix = 'glGet', long_suffix = True):
41 self.long_suffix = long_suffix
43 def visit_const(self, const):
44 return self.visit(const.type)
46 def visit_alias(self, alias):
47 if alias.expr == 'GLboolean':
49 return self.prefix + 'Booleanv', alias.expr
51 return self.prefix + 'iv', 'GLint'
52 elif alias.expr == 'GLdouble':
54 return self.prefix + 'Doublev', alias.expr
56 return self.prefix + 'dv', alias.expr
57 elif alias.expr == 'GLfloat':
59 return self.prefix + 'Floatv', alias.expr
61 return self.prefix + 'fv', alias.expr
62 elif alias.expr in ('GLint', 'GLuint', 'GLsizei'):
64 return self.prefix + 'Integerv', 'GLint'
66 return self.prefix + 'iv', 'GLint'
71 def visit_enum(self, enum):
72 return self.visit(glapi.GLint)
74 def visit_bitmask(self, bitmask):
75 return self.visit(glapi.GLint)
77 def visit_opaque(self, pointer):
78 return self.prefix + 'Pointerv', 'GLvoid *'
81 class GlTracer(Tracer):
83 def header(self, api):
84 Tracer.header(self, api)
85 self.state_tracker_decl(api)
87 def footer(self, api):
88 Tracer.footer(self, api)
89 self.state_tracker_impl(api)
96 ("TexCoord", "TEXTURE_COORD"),
97 ("EdgeFlag", "EDGE_FLAG"),
98 ("FogCoord", "FOG_COORD"),
99 ("SecondaryColor", "SECONDARY_COLOR"),
103 def state_tracker_decl(self, api):
104 print '// Whether user arrays were used'
105 print 'static bool __user_arrays = false;'
107 # Whether we need user arrays
108 print 'static inline bool __need_user_arrays(void)'
110 print ' if (!__user_arrays) {'
111 print ' return false;'
115 for camelcase_name, uppercase_name in self.arrays:
116 function_name = 'gl%sPointer' % camelcase_name
117 enable_name = 'GL_%s_ARRAY' % uppercase_name
118 binding_name = 'GL_%s_ARRAY_BUFFER_BINDING' % uppercase_name
119 print ' // %s' % function_name
120 self.array_prolog(api, uppercase_name)
121 print ' if (__glIsEnabled(%s)) {' % enable_name
122 print ' GLint __binding = 0;'
123 print ' __glGetIntegerv(%s, &__binding);' % binding_name
124 print ' if (!__binding) {'
125 self.array_cleanup(api, uppercase_name)
126 print ' return true;'
129 self.array_epilog(api, uppercase_name)
132 print ' // glVertexAttribPointer'
133 print ' GLint __max_vertex_attribs = 0;'
134 print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &__max_vertex_attribs);'
135 print ' for (GLint index = 0; index < __max_vertex_attribs; ++index) {'
136 print ' GLint __enabled = 0;'
137 print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED, &__enabled);'
138 print ' if (__enabled) {'
139 print ' GLint __binding = 0;'
140 print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, &__binding);'
141 print ' if (!__binding) {'
142 print ' return true;'
148 print ' return false;'
152 print 'static void __trace_user_arrays(GLuint maxindex);'
155 array_pointer_function_names = set((
163 "glSecondaryColorPointer",
165 #"glVertexPointerEXT",
166 #"glNormalPointerEXT",
167 #"glColorPointerEXT",
168 #"glIndexPointerEXT",
169 #"glTexCoordPointerEXT",
170 #"glEdgeFlagPointerEXT",
171 #"glFogCoordPointerEXT",
172 #"glSecondaryColorPointerEXT",
174 "glVertexAttribPointer",
175 "glVertexAttribPointerARB",
176 "glVertexAttribPointerNV",
177 "glVertexAttribLPointer",
178 "glVertexAttribLPointerEXT",
180 #"glMatrixIndexPointerARB",
183 draw_function_names = set((
186 'glDrawRangeElements',
189 interleaved_formats = [
202 'GL_T2F_C4F_N3F_V3F',
203 'GL_T4F_C4F_N3F_V4F',
206 def trace_function_impl_body(self, function):
207 # Defer tracing of user array pointers...
208 if function.name in self.array_pointer_function_names:
209 print ' GLint __array_buffer = 0;'
210 print ' __glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
211 print ' if (!__array_buffer) {'
212 print ' __user_arrays = true;'
213 self.dispatch_function(function)
217 # ... to the draw calls
218 if function.name in self.draw_function_names:
219 print ' if (__need_user_arrays()) {'
220 arg_names = ', '.join([arg.name for arg in function.args[1:]])
221 print ' GLuint maxindex = __%s_maxindex(%s);' % (function.name, arg_names)
222 print ' __trace_user_arrays(maxindex);'
225 # And also break down glInterleavedArrays into the individual calls
226 if function.name == 'glInterleavedArrays':
227 print ' GLint __array_buffer = 0;'
228 print ' __glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
229 print ' if (!__array_buffer) {'
230 print ' __user_arrays = true;'
231 self.dispatch_function(function)
234 # Initialize the enable flags
235 for camelcase_name, uppercase_name in self.arrays:
236 flag_name = '__' + uppercase_name.lower()
237 print ' GLboolean %s = GL_FALSE;' % flag_name
240 # Swicth for the interleaved formats
241 print ' switch (format) {'
242 for format in self.interleaved_formats:
243 print ' case %s:' % format
244 for camelcase_name, uppercase_name in self.arrays:
245 flag_name = '__' + uppercase_name.lower()
246 if format.find('_' + uppercase_name[0]) >= 0:
247 print ' %s = GL_TRUE;' % flag_name
254 # Emit fake glEnableClientState/glDisableClientState flags
255 for camelcase_name, uppercase_name in self.arrays:
256 flag_name = '__' + uppercase_name.lower()
257 enable_name = 'GL_%s_ARRAY' % uppercase_name
259 # Emit a fake function
261 print ' static const Trace::FunctionSig &__sig = %s ? __glEnableClientState_sig : __glDisableClientState_sig;' % flag_name
262 print ' unsigned __call = Trace::BeginEnter(__sig);'
263 print ' Trace::BeginArg(0);'
264 dump_instance(glapi.GLenum, enable_name)
265 print ' Trace::EndArg();'
266 print ' Trace::EndEnter();'
267 print ' Trace::BeginLeave(__call);'
268 print ' Trace::EndLeave();'
274 Tracer.trace_function_impl_body(self, function)
281 def gl_boolean(self, value):
282 return self.boolean_names[int(bool(value))]
284 def dump_arg_instance(self, function, arg):
285 if function.name in self.draw_function_names and arg.name == 'indices':
286 print ' GLint __element_array_buffer = 0;'
287 print ' __glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
288 print ' if (!__element_array_buffer) {'
289 print ' Trace::LiteralBlob((const void *)%s, count*__gl_type_size(type));' % (arg.name)
291 print ' Trace::LiteralOpaque((const void *)%s);' % (arg.name)
295 Tracer.dump_arg_instance(self, function, arg)
297 def state_tracker_impl(self, api):
298 # A simple state tracker to track the pointer values
301 print 'static void __trace_user_arrays(GLuint maxindex)'
304 for camelcase_name, uppercase_name in self.arrays:
305 function_name = 'gl%sPointer' % camelcase_name
306 enable_name = 'GL_%s_ARRAY' % uppercase_name
307 binding_name = 'GL_%s_ARRAY_BUFFER_BINDING' % uppercase_name
308 function = api.get_function_by_name(function_name)
310 print ' // %s' % function.name
311 self.array_trace_prolog(api, uppercase_name)
312 self.array_prolog(api, uppercase_name)
313 print ' if (__glIsEnabled(%s)) {' % enable_name
314 print ' GLint __binding = 0;'
315 print ' __glGetIntegerv(%s, &__binding);' % binding_name
316 print ' if (!__binding) {'
318 # Get the arguments via glGet*
319 for arg in function.args:
320 arg_get_enum = 'GL_%s_ARRAY_%s' % (uppercase_name, arg.name.upper())
321 arg_get_function, arg_type = TypeGetter().visit(arg.type)
322 print ' %s %s = 0;' % (arg_type, arg.name)
323 print ' __%s(%s, &%s);' % (arg_get_function, arg_get_enum, arg.name)
325 arg_names = ', '.join([arg.name for arg in function.args[:-1]])
326 print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
328 # Emit a fake function
329 self.array_trace_intermezzo(api, uppercase_name)
330 print ' unsigned __call = Trace::BeginEnter(__%s_sig);' % (function.name,)
331 for arg in function.args:
332 assert not arg.output
333 print ' Trace::BeginArg(%u);' % (arg.index,)
334 if arg.name != 'pointer':
335 dump_instance(arg.type, arg.name)
337 print ' Trace::LiteralBlob((const void *)%s, __size);' % (arg.name)
338 print ' Trace::EndArg();'
340 print ' Trace::EndEnter();'
341 print ' Trace::BeginLeave(__call);'
342 print ' Trace::EndLeave();'
345 self.array_epilog(api, uppercase_name)
346 self.array_trace_epilog(api, uppercase_name)
349 # Samething, but for glVertexAttribPointer
350 print ' // glVertexAttribPointer'
351 print ' GLint __max_vertex_attribs = 0;'
352 print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &__max_vertex_attribs);'
353 print ' for (GLint index = 0; index < __max_vertex_attribs; ++index) {'
354 print ' GLint __enabled = 0;'
355 print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED, &__enabled);'
356 print ' if (__enabled) {'
357 print ' GLint __binding = 0;'
358 print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, &__binding);'
359 print ' if (!__binding) {'
361 function = api.get_function_by_name('glVertexAttribPointer')
363 # Get the arguments via glGet*
364 for arg in function.args[1:]:
365 arg_get_enum = 'GL_VERTEX_ATTRIB_ARRAY_%s' % (arg.name.upper(),)
366 arg_get_function, arg_type = TypeGetter('glGetVertexAttrib', False).visit(arg.type)
367 print ' %s %s = 0;' % (arg_type, arg.name)
368 print ' __%s(index, %s, &%s);' % (arg_get_function, arg_get_enum, arg.name)
370 arg_names = ', '.join([arg.name for arg in function.args[1:-1]])
371 print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
373 # Emit a fake function
374 print ' unsigned __call = Trace::BeginEnter(__%s_sig);' % (function.name,)
375 for arg in function.args:
376 assert not arg.output
377 print ' Trace::BeginArg(%u);' % (arg.index,)
378 if arg.name != 'pointer':
379 dump_instance(arg.type, arg.name)
381 print ' Trace::LiteralBlob((const void *)%s, __size);' % (arg.name)
382 print ' Trace::EndArg();'
384 print ' Trace::EndEnter();'
385 print ' Trace::BeginLeave(__call);'
386 print ' Trace::EndLeave();'
396 # Hooks for glTexCoordPointer, which is identical to the other array
397 # pointers except the fact that it is indexed by glClientActiveTexture.
400 def array_prolog(self, api, uppercase_name):
401 if uppercase_name == 'TEXTURE_COORD':
402 print ' GLint client_active_texture = 0;'
403 print ' __glGetIntegerv(GL_CLIENT_ACTIVE_TEXTURE, &client_active_texture);'
404 print ' GLint max_texture_coords = 0;'
405 print ' __glGetIntegerv(GL_MAX_TEXTURE_COORDS, &max_texture_coords);'
406 print ' for (GLint unit = 0; unit < max_texture_coords; ++unit) {'
407 print ' GLenum texture = GL_TEXTURE0 + unit;'
408 print ' __glClientActiveTexture(texture);'
410 def array_trace_prolog(self, api, uppercase_name):
411 if uppercase_name == 'TEXTURE_COORD':
412 print ' bool client_active_texture_dirty = false;'
414 def array_epilog(self, api, uppercase_name):
415 if uppercase_name == 'TEXTURE_COORD':
417 self.array_cleanup(api, uppercase_name)
419 def array_cleanup(self, api, uppercase_name):
420 if uppercase_name == 'TEXTURE_COORD':
421 print ' __glClientActiveTexture(client_active_texture);'
423 def array_trace_intermezzo(self, api, uppercase_name):
424 if uppercase_name == 'TEXTURE_COORD':
425 print ' if (texture != client_active_texture || client_active_texture_dirty) {'
426 print ' client_active_texture_dirty = true;'
427 self.fake_glClientActiveTexture_call(api, "texture");
430 def array_trace_epilog(self, api, uppercase_name):
431 if uppercase_name == 'TEXTURE_COORD':
432 print ' if (client_active_texture_dirty) {'
433 self.fake_glClientActiveTexture_call(api, "client_active_texture");
436 def fake_glClientActiveTexture_call(self, api, texture):
437 function = api.get_function_by_name('glClientActiveTexture')
438 self.fake_call(function, [texture])
440 def fake_call(self, function, args):
441 print ' unsigned __fake_call = Trace::BeginEnter(__%s_sig);' % (function.name,)
442 for arg, instance in zip(function.args, args):
443 assert not arg.output
444 print ' Trace::BeginArg(%u);' % (arg.index,)
445 dump_instance(arg.type, instance)
446 print ' Trace::EndArg();'
447 print ' Trace::EndEnter();'
448 print ' Trace::BeginLeave(__fake_call);'
449 print ' Trace::EndLeave();'