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."""
32 from retrace import Retracer
35 class GlRetracer(Retracer):
37 def retrace_function(self, function):
38 Retracer.retrace_function(self, function)
40 array_pointer_function_names = set((
48 "glSecondaryColorPointer",
50 "glInterleavedArrays",
56 "glTexCoordPointerEXT",
57 "glEdgeFlagPointerEXT",
58 "glFogCoordPointerEXT",
59 "glSecondaryColorPointerEXT",
61 "glVertexAttribPointer",
62 "glVertexAttribPointerARB",
63 "glVertexAttribPointerNV",
64 "glVertexAttribIPointer",
65 "glVertexAttribIPointerEXT",
66 "glVertexAttribLPointer",
67 "glVertexAttribLPointerEXT",
69 #"glMatrixIndexPointerARB",
72 draw_array_function_names = set([
75 "glDrawArraysIndirect",
76 "glDrawArraysInstanced",
77 "glDrawArraysInstancedARB",
78 "glDrawArraysInstancedEXT",
79 "glDrawMeshArraysSUN",
81 "glMultiDrawArraysEXT",
82 "glMultiModeDrawArraysIBM",
85 draw_elements_function_names = set([
87 "glDrawElementsBaseVertex",
88 "glDrawElementsIndirect",
89 "glDrawElementsInstanced",
90 "glDrawElementsInstancedARB",
91 "glDrawElementsInstancedBaseVertex",
92 "glDrawElementsInstancedEXT",
93 "glDrawRangeElements",
94 "glDrawRangeElementsBaseVertex",
95 "glDrawRangeElementsEXT",
96 "glMultiDrawElements",
97 "glMultiDrawElementsBaseVertex",
98 "glMultiDrawElementsEXT",
99 "glMultiModeDrawElementsIBM",
102 draw_indirect_function_names = set([
103 "glDrawArraysIndirect",
104 "glDrawElementsIndirect",
107 misc_draw_function_names = set([
112 "glBlitFramebufferEXT",
115 bind_framebuffer_function_names = set([
117 "glBindFramebufferARB",
118 "glBindFramebufferEXT",
121 # Names of the functions that can pack into the current pixel buffer
122 # object. See also the ARB_pixel_buffer_object specification.
123 pack_function_names = set([
124 'glGetCompressedTexImage',
125 'glGetConvolutionFilter',
131 'glGetPolygonStipple',
132 'glGetSeparableFilter,',
135 'glGetnCompressedTexImageARB',
136 'glGetnConvolutionFilterARB',
137 'glGetnHistogramARB',
139 'glGetnPixelMapfvARB',
140 'glGetnPixelMapuivARB',
141 'glGetnPixelMapusvARB',
142 'glGetnPolygonStippleARB',
143 'glGetnSeparableFilterARB',
148 def retrace_function_body(self, function):
149 is_array_pointer = function.name in self.array_pointer_function_names
150 is_draw_array = function.name in self.draw_array_function_names
151 is_draw_elements = function.name in self.draw_elements_function_names
152 is_misc_draw = function.name in self.misc_draw_function_names
154 if is_array_pointer or is_draw_array or is_draw_elements:
155 print ' if (glretrace::parser.version < 1) {'
157 if is_array_pointer or is_draw_array:
158 print ' GLint __array_buffer = 0;'
159 print ' glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
160 print ' if (!__array_buffer) {'
161 self.fail_function(function)
165 print ' GLint __element_array_buffer = 0;'
166 print ' glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
167 print ' if (!__element_array_buffer) {'
168 self.fail_function(function)
173 # When no pack buffer object is bound, the pack functions are no-ops.
174 if function.name in self.pack_function_names:
175 print ' GLint __pack_buffer = 0;'
176 print ' glGetIntegerv(GL_PIXEL_PACK_BUFFER_BINDING, &__pack_buffer);'
177 print ' if (!__pack_buffer) {'
178 if function.name == 'glReadPixels':
180 print ' if (glretrace::snapshot_frequency == glretrace::FREQUENCY_FRAME ||'
181 print ' glretrace::snapshot_frequency == glretrace::FREQUENCY_FRAMEBUFFER) {'
182 print ' glretrace::snapshot(call.no);'
188 if function.name in self.bind_framebuffer_function_names:
189 print ' if (glretrace::snapshot_frequency == glretrace::FREQUENCY_FRAMEBUFFER) {'
190 print ' glretrace::snapshot(call.no - 1);'
192 if function.name == 'glFrameTerminatorGREMEDY':
193 print ' glretrace::frame_complete(call.no);'
196 Retracer.retrace_function_body(self, function)
199 if function.name in ('glFlush', 'glFinish'):
200 print ' if (!glretrace::double_buffer) {'
201 print ' glretrace::frame_complete(call.no);'
203 if is_draw_array or is_draw_elements or is_misc_draw:
204 print ' if (glretrace::snapshot_frequency == glretrace::FREQUENCY_DRAW) {'
205 print ' glretrace::snapshot(call.no);'
209 def call_function(self, function):
210 if function.name == "glViewport":
211 print ' GLint draw_framebuffer = 0;'
212 print ' glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &draw_framebuffer);'
213 print ' if (draw_framebuffer == 0) {'
214 print ' if (glretrace::drawable) {'
215 print ' int drawable_width = x + width;'
216 print ' int drawable_height = y + height;'
217 print ' if (drawable_width > (int)glretrace::drawable->width ||'
218 print ' drawable_height > (int)glretrace::drawable->height) {'
219 print ' glretrace::drawable->resize(drawable_width, drawable_height);'
220 print ' if (!glretrace::drawable->visible) {'
221 print ' glretrace::drawable->show();'
223 print ' glScissor(0, 0, drawable_width, drawable_height);'
228 if function.name == "glEnd":
229 print ' glretrace::insideGlBeginEnd = false;'
231 if function.name == 'memcpy':
232 print ' if (!dest || !src || !n) return;'
234 Retracer.call_function(self, function)
237 if function.name == "glBegin":
238 print ' glretrace::insideGlBeginEnd = true;'
239 elif function.name.startswith('gl'):
240 # glGetError is not allowed inside glBegin/glEnd
241 print ' if (!glretrace::benchmark && !glretrace::insideGlBeginEnd) {'
242 print ' glretrace::checkGlError(call);'
243 if function.name in ('glProgramStringARB', 'glProgramStringNV'):
244 print r' GLint error_position = -1;'
245 print r' glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &error_position);'
246 print r' if (error_position != -1) {'
247 print r' const char *error_string = (const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB);'
248 print r' std::cerr << call.no << ": warning: " << error_string << "\n";'
250 if function.name == 'glCompileShader':
251 print r' GLint compile_status = 0;'
252 print r' glGetShaderiv(shader, GL_COMPILE_STATUS, &compile_status);'
253 print r' if (!compile_status) {'
254 print r' GLint info_log_length = 0;'
255 print r' glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &info_log_length);'
256 print r' GLchar *infoLog = new GLchar[info_log_length];'
257 print r' glGetShaderInfoLog(shader, info_log_length, NULL, infoLog);'
258 print r' std::cerr << call.no << ": warning: " << infoLog << "\n";'
259 print r' delete [] infoLog;'
261 if function.name == 'glLinkProgram':
262 print r' GLint link_status = 0;'
263 print r' glGetProgramiv(program, GL_LINK_STATUS, &link_status);'
264 print r' if (!link_status) {'
265 print r' GLint info_log_length = 0;'
266 print r' glGetProgramiv(program, GL_INFO_LOG_LENGTH, &info_log_length);'
267 print r' GLchar *infoLog = new GLchar[info_log_length];'
268 print r' glGetProgramInfoLog(program, info_log_length, NULL, infoLog);'
269 print r' std::cerr << call.no << ": warning: " << infoLog << "\n";'
270 print r' delete [] infoLog;'
272 if function.name == 'glCompileShaderARB':
273 print r' GLint compile_status = 0;'
274 print r' glGetObjectParameterivARB(shaderObj, GL_OBJECT_COMPILE_STATUS_ARB, &compile_status);'
275 print r' if (!compile_status) {'
276 print r' GLint info_log_length = 0;'
277 print r' glGetObjectParameterivARB(shaderObj, GL_OBJECT_INFO_LOG_LENGTH_ARB, &info_log_length);'
278 print r' GLchar *infoLog = new GLchar[info_log_length];'
279 print r' glGetInfoLogARB(shaderObj, info_log_length, NULL, infoLog);'
280 print r' std::cerr << call.no << ": warning: " << infoLog << "\n";'
281 print r' delete [] infoLog;'
283 if function.name == 'glLinkProgramARB':
284 print r' GLint link_status = 0;'
285 print r' glGetObjectParameterivARB(programObj, GL_OBJECT_LINK_STATUS_ARB, &link_status);'
286 print r' if (!link_status) {'
287 print r' GLint info_log_length = 0;'
288 print r' glGetObjectParameterivARB(programObj, GL_OBJECT_INFO_LOG_LENGTH_ARB, &info_log_length);'
289 print r' GLchar *infoLog = new GLchar[info_log_length];'
290 print r' glGetInfoLogARB(programObj, info_log_length, NULL, infoLog);'
291 print r' std::cerr << call.no << ": warning: " << infoLog << "\n";'
292 print r' delete [] infoLog;'
294 if function.name in ('glMapBuffer', 'glMapBufferARB', 'glMapBufferRange', 'glMapNamedBufferEXT', 'glMapNamedBufferRangeEXT'):
295 print r' if (!__result) {'
296 print r' std::cerr << call.no << ": warning: failed to map buffer\n";'
298 if function.name in ('glGetAttribLocation', 'glGetAttribLocationARB'):
299 print r' GLint __orig_result = call.ret->toSInt();'
300 print r' if (__result != __orig_result) {'
301 print r' std::cerr << call.no << ": warning vertex attrib location mismatch " << __orig_result << " -> " << __result << "\n";'
303 if function.name in ('glCheckFramebufferStatus', 'glCheckFramebufferStatusEXT', 'glCheckNamedFramebufferStatusEXT'):
304 print r' GLint __orig_result = call.ret->toSInt();'
305 print r' if (__orig_result == GL_FRAMEBUFFER_COMPLETE &&'
306 print r' __result != GL_FRAMEBUFFER_COMPLETE) {'
307 print r' std::cerr << call.no << ": incomplete framebuffer (" << __result << ")\n";'
311 def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
312 if function.name in self.array_pointer_function_names and arg.name == 'pointer':
313 print ' %s = static_cast<%s>(%s.toPointer(true));' % (lvalue, arg_type, rvalue)
316 if function.name in self.draw_elements_function_names and arg.name == 'indices' or\
317 function.name in self.draw_indirect_function_names and arg.name == 'indirect':
318 self.extract_opaque_arg(function, arg, arg_type, lvalue, rvalue)
321 # Handle pointer with offsets into the current pack pixel buffer
323 if function.name in self.pack_function_names and arg.output:
324 self.extract_opaque_arg(function, arg, arg_type, lvalue, rvalue)
327 if arg.type is glapi.GLlocation \
328 and 'program' not in [arg.name for arg in function.args]:
329 print ' GLint program = -1;'
330 print ' glGetIntegerv(GL_CURRENT_PROGRAM, &program);'
332 if arg.type is glapi.GLlocationARB \
333 and 'programObj' not in [arg.name for arg in function.args]:
334 print ' GLhandleARB programObj = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);'
336 Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
338 # Don't try to use more samples than the implementation supports
339 if arg.name == 'samples':
340 assert arg.type is glapi.GLsizei
341 print ' GLint max_samples = 0;'
342 print ' glGetIntegerv(GL_MAX_SAMPLES, &max_samples);'
343 print ' if (samples > max_samples) {'
344 print ' samples = max_samples;'
348 if __name__ == '__main__':
352 #include "glproc.hpp"
353 #include "glretrace.hpp"
358 api.add_function(glapi.memcpy)
359 retracer = GlRetracer()
360 retracer.retrace_api(api)