1 ##########################################################################
3 # Copyright 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 retracer generator."""
30 import specs.stdapi as stdapi
31 import specs.glapi as glapi
32 import specs.glesapi as glesapi
33 from retrace import Retracer
36 class GlRetracer(Retracer):
38 table_name = 'glretrace::gl_callbacks'
40 def retraceFunction(self, function):
41 Retracer.retraceFunction(self, function)
43 array_pointer_function_names = set((
51 "glSecondaryColorPointer",
53 "glInterleavedArrays",
59 "glTexCoordPointerEXT",
60 "glEdgeFlagPointerEXT",
61 "glFogCoordPointerEXT",
62 "glSecondaryColorPointerEXT",
64 "glVertexAttribPointer",
65 "glVertexAttribPointerARB",
66 "glVertexAttribPointerNV",
67 "glVertexAttribIPointer",
68 "glVertexAttribIPointerEXT",
69 "glVertexAttribLPointer",
70 "glVertexAttribLPointerEXT",
72 #"glMatrixIndexPointerARB",
75 draw_array_function_names = set([
78 "glDrawArraysIndirect",
79 "glDrawArraysInstanced",
80 "glDrawArraysInstancedARB",
81 "glDrawArraysInstancedEXT",
82 "glDrawArraysInstancedBaseInstance",
83 "glDrawMeshArraysSUN",
85 "glMultiDrawArraysEXT",
86 "glMultiModeDrawArraysIBM",
89 draw_elements_function_names = set([
91 "glDrawElementsBaseVertex",
92 "glDrawElementsIndirect",
93 "glDrawElementsInstanced",
94 "glDrawElementsInstancedARB",
95 "glDrawElementsInstancedEXT",
96 "glDrawElementsInstancedBaseVertex",
97 "glDrawElementsInstancedBaseInstance",
98 "glDrawElementsInstancedBaseVertexBaseInstance",
99 "glDrawRangeElements",
100 "glDrawRangeElementsEXT",
101 "glDrawRangeElementsBaseVertex",
102 "glMultiDrawElements",
103 "glMultiDrawElementsBaseVertex",
104 "glMultiDrawElementsEXT",
105 "glMultiModeDrawElementsIBM",
108 draw_indirect_function_names = set([
109 "glDrawArraysIndirect",
110 "glDrawElementsIndirect",
113 misc_draw_function_names = set([
118 "glBlitFramebufferEXT",
121 bind_framebuffer_function_names = set([
123 "glBindFramebufferEXT",
124 "glBindFramebufferOES",
127 # Names of the functions that can pack into the current pixel buffer
128 # object. See also the ARB_pixel_buffer_object specification.
129 pack_function_names = set([
130 'glGetCompressedTexImage',
131 'glGetConvolutionFilter',
137 'glGetPolygonStipple',
138 'glGetSeparableFilter',
141 'glGetnCompressedTexImageARB',
142 'glGetnConvolutionFilterARB',
143 'glGetnHistogramARB',
145 'glGetnPixelMapfvARB',
146 'glGetnPixelMapuivARB',
147 'glGetnPixelMapusvARB',
148 'glGetnPolygonStippleARB',
149 'glGetnSeparableFilterARB',
154 map_function_names = set([
159 'glMapNamedBufferEXT',
160 'glMapNamedBufferRangeEXT'
163 unmap_function_names = set([
167 'glUnmapNamedBufferEXT',
170 def retraceFunctionBody(self, function):
171 is_array_pointer = function.name in self.array_pointer_function_names
172 is_draw_array = function.name in self.draw_array_function_names
173 is_draw_elements = function.name in self.draw_elements_function_names
174 is_misc_draw = function.name in self.misc_draw_function_names
176 if is_array_pointer or is_draw_array or is_draw_elements:
177 print ' if (glretrace::parser.version < 1) {'
179 if is_array_pointer or is_draw_array:
180 print ' GLint __array_buffer = 0;'
181 print ' glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
182 print ' if (!__array_buffer) {'
183 self.failFunction(function)
187 print ' GLint __element_array_buffer = 0;'
188 print ' glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
189 print ' if (!__element_array_buffer) {'
190 self.failFunction(function)
195 # When no pack buffer object is bound, the pack functions are no-ops.
196 if function.name in self.pack_function_names:
197 print ' GLint __pack_buffer = 0;'
198 print ' glGetIntegerv(GL_PIXEL_PACK_BUFFER_BINDING, &__pack_buffer);'
199 print ' if (!__pack_buffer) {'
204 if function.name in self.bind_framebuffer_function_names:
205 print ' assert(call.flags & trace::CALL_FLAG_SWAP_RENDERTARGET);'
206 if function.name == 'glFrameTerminatorGREMEDY':
207 print ' glretrace::frame_complete(call);'
210 Retracer.retraceFunctionBody(self, function)
213 if function.name in ('glFlush', 'glFinish'):
214 print ' if (!glretrace::double_buffer) {'
215 print ' glretrace::frame_complete(call);'
217 if is_draw_array or is_draw_elements or is_misc_draw:
218 print ' assert(call.flags & trace::CALL_FLAG_RENDER);'
221 def invokeFunction(self, function):
222 # Infer the drawable size from GL calls
223 if function.name == "glViewport":
224 print ' glretrace::updateDrawable(x + width, y + height);'
225 if function.name in ('glBlitFramebuffer', 'glBlitFramebufferEXT'):
226 # Some applications do all their rendering in a framebuffer, and
227 # then just blit to the drawable without ever calling glViewport.
228 print ' glretrace::updateDrawable(std::max(dstX0, dstX1), std::max(dstY0, dstY1));'
230 if function.name == "glEnd":
231 print ' glretrace::insideGlBeginEnd = false;'
233 if function.name.startswith('gl') and not function.name.startswith('glX'):
234 print r' if (!glretrace::context && !glretrace::benchmark && !retrace::profiling) {'
235 print r' retrace::warning(call) << "no current context\n";'
238 if function.name == 'memcpy':
239 print ' if (!dest || !src || !n) return;'
241 Retracer.invokeFunction(self, function)
244 if function.name == "glBegin":
245 print ' glretrace::insideGlBeginEnd = true;'
246 elif function.name.startswith('gl'):
247 # glGetError is not allowed inside glBegin/glEnd
248 print ' if (!glretrace::benchmark && !retrace::profiling && !glretrace::insideGlBeginEnd) {'
249 print ' glretrace::checkGlError(call);'
250 if function.name in ('glProgramStringARB', 'glProgramStringNV'):
251 print r' GLint error_position = -1;'
252 print r' glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &error_position);'
253 print r' if (error_position != -1) {'
254 print r' const char *error_string = (const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB);'
255 print r' retrace::warning(call) << error_string << "\n";'
257 if function.name == 'glCompileShader':
258 print r' GLint compile_status = 0;'
259 print r' glGetShaderiv(shader, GL_COMPILE_STATUS, &compile_status);'
260 print r' if (!compile_status) {'
261 print r' GLint info_log_length = 0;'
262 print r' glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &info_log_length);'
263 print r' GLchar *infoLog = new GLchar[info_log_length];'
264 print r' glGetShaderInfoLog(shader, info_log_length, NULL, infoLog);'
265 print r' retrace::warning(call) << infoLog << "\n";'
266 print r' delete [] infoLog;'
268 if function.name == 'glLinkProgram':
269 print r' GLint link_status = 0;'
270 print r' glGetProgramiv(program, GL_LINK_STATUS, &link_status);'
271 print r' if (!link_status) {'
272 print r' GLint info_log_length = 0;'
273 print r' glGetProgramiv(program, GL_INFO_LOG_LENGTH, &info_log_length);'
274 print r' GLchar *infoLog = new GLchar[info_log_length];'
275 print r' glGetProgramInfoLog(program, info_log_length, NULL, infoLog);'
276 print r' retrace::warning(call) << infoLog << "\n";'
277 print r' delete [] infoLog;'
279 if function.name == 'glCompileShaderARB':
280 print r' GLint compile_status = 0;'
281 print r' glGetObjectParameterivARB(shaderObj, GL_OBJECT_COMPILE_STATUS_ARB, &compile_status);'
282 print r' if (!compile_status) {'
283 print r' GLint info_log_length = 0;'
284 print r' glGetObjectParameterivARB(shaderObj, GL_OBJECT_INFO_LOG_LENGTH_ARB, &info_log_length);'
285 print r' GLchar *infoLog = new GLchar[info_log_length];'
286 print r' glGetInfoLogARB(shaderObj, info_log_length, NULL, infoLog);'
287 print r' retrace::warning(call) << infoLog << "\n";'
288 print r' delete [] infoLog;'
290 if function.name == 'glLinkProgramARB':
291 print r' GLint link_status = 0;'
292 print r' glGetObjectParameterivARB(programObj, GL_OBJECT_LINK_STATUS_ARB, &link_status);'
293 print r' if (!link_status) {'
294 print r' GLint info_log_length = 0;'
295 print r' glGetObjectParameterivARB(programObj, GL_OBJECT_INFO_LOG_LENGTH_ARB, &info_log_length);'
296 print r' GLchar *infoLog = new GLchar[info_log_length];'
297 print r' glGetInfoLogARB(programObj, info_log_length, NULL, infoLog);'
298 print r' retrace::warning(call) << infoLog << "\n";'
299 print r' delete [] infoLog;'
301 if function.name in self.map_function_names:
302 print r' if (!__result) {'
303 print r' retrace::warning(call) << "failed to map buffer\n";'
305 if function.name in ('glGetAttribLocation', 'glGetAttribLocationARB'):
306 print r' GLint __orig_result = call.ret->toSInt();'
307 print r' if (__result != __orig_result) {'
308 print r' retrace::warning(call) << "vertex attrib location mismatch " << __orig_result << " -> " << __result << "\n";'
310 if function.name in ('glCheckFramebufferStatus', 'glCheckFramebufferStatusEXT', 'glCheckNamedFramebufferStatusEXT'):
311 print r' GLint __orig_result = call.ret->toSInt();'
312 print r' if (__orig_result == GL_FRAMEBUFFER_COMPLETE &&'
313 print r' __result != GL_FRAMEBUFFER_COMPLETE) {'
314 print r' retrace::warning(call) << "incomplete framebuffer (" << glstate::enumToString(__result) << ")\n";'
318 # Query the buffer length for whole buffer mappings
319 if function.name in self.map_function_names:
320 if 'length' in function.argNames():
321 assert 'BufferRange' in function.name
323 assert 'BufferRange' not in function.name
324 print r' GLint length = 0;'
325 if function.name in ('glMapBuffer', 'glMapBufferOES'):
326 print r' glGetBufferParameteriv(target, GL_BUFFER_SIZE, &length);'
327 elif function.name == 'glMapBufferARB':
328 print r' glGetBufferParameterivARB(target, GL_BUFFER_SIZE_ARB, &length);'
329 elif function.name == 'glMapNamedBufferEXT':
330 print r' glGetNamedBufferParameterivEXT(buffer, GL_BUFFER_SIZE, &length);'
333 # Destroy the buffer mapping
334 if function.name in self.unmap_function_names:
335 print r' GLvoid *ptr = NULL;'
336 if function.name == 'glUnmapBuffer':
337 print r' glGetBufferPointerv(target, GL_BUFFER_MAP_POINTER, &ptr);'
338 elif function.name == 'glUnmapBufferARB':
339 print r' glGetBufferPointervARB(target, GL_BUFFER_MAP_POINTER_ARB, &ptr);'
340 elif function.name == 'glUnmapBufferOES':
341 print r' glGetBufferPointervOES(target, GL_BUFFER_MAP_POINTER_OES, &ptr);'
342 elif function.name == 'glUnmapNamedBufferEXT':
343 print r' glGetNamedBufferPointervEXT(buffer, GL_BUFFER_MAP_POINTER, &ptr);'
347 print r' retrace::delRegionByPointer(ptr);'
350 def extractArg(self, function, arg, arg_type, lvalue, rvalue):
351 if function.name in self.array_pointer_function_names and arg.name == 'pointer':
352 print ' %s = static_cast<%s>(retrace::toPointer(%s, true));' % (lvalue, arg_type, rvalue)
355 if function.name in self.draw_elements_function_names and arg.name == 'indices' or\
356 function.name in self.draw_indirect_function_names and arg.name == 'indirect':
357 self.extractOpaqueArg(function, arg, arg_type, lvalue, rvalue)
360 # Handle pointer with offsets into the current pack pixel buffer
362 if function.name in self.pack_function_names and arg.output:
363 self.extractOpaqueArg(function, arg, arg_type, lvalue, rvalue)
366 if arg.type is glapi.GLlocation \
367 and 'program' not in function.argNames():
368 print ' GLint program = -1;'
369 print ' glGetIntegerv(GL_CURRENT_PROGRAM, &program);'
371 if arg.type is glapi.GLlocationARB \
372 and 'programObj' not in function.argNames():
373 print ' GLhandleARB programObj = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);'
375 Retracer.extractArg(self, function, arg, arg_type, lvalue, rvalue)
377 # Don't try to use more samples than the implementation supports
378 if arg.name == 'samples':
379 assert arg.type is glapi.GLsizei
380 print ' GLint max_samples = 0;'
381 print ' glGetIntegerv(GL_MAX_SAMPLES, &max_samples);'
382 print ' if (samples > max_samples) {'
383 print ' samples = max_samples;'
387 if __name__ == '__main__':
391 #include "glproc.hpp"
392 #include "glretrace.hpp"
393 #include "glstate.hpp"
398 api.addApi(glesapi.glesapi)
399 retracer = GlRetracer()
400 retracer.retraceApi(api)