git.cworth.org Git - apitrace/blob - glretrace.py

   1 ##########################################################################
   2 #
   3 # Copyright 2010 VMware, Inc.
   4 # All Rights Reserved.
   5 #
   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:
  12 #
  13 # The above copyright notice and this permission notice shall be included in
  14 # all copies or substantial portions of the Software.
  15 #
  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
  22 # THE SOFTWARE.
  23 #
  24 ##########################################################################/
  25
  26
  27 """GL retracer generator."""
  28
  29
  30 import stdapi
  31 import glapi
  32 from retrace import Retracer
  33
  34
  35 class GlRetracer(Retracer):
  36
  37     def retrace_function(self, function):
  38         Retracer.retrace_function(self, function)
  39
  40     array_pointer_function_names = set((
  41         "glVertexPointer",
  42         "glNormalPointer",
  43         "glColorPointer",
  44         "glIndexPointer",
  45         "glTexCoordPointer",
  46         "glEdgeFlagPointer",
  47         "glFogCoordPointer",
  48         "glSecondaryColorPointer",
  49
  50         "glInterleavedArrays",
  51
  52         "glVertexPointerEXT",
  53         "glNormalPointerEXT",
  54         "glColorPointerEXT",
  55         "glIndexPointerEXT",
  56         "glTexCoordPointerEXT",
  57         "glEdgeFlagPointerEXT",
  58         "glFogCoordPointerEXT",
  59         "glSecondaryColorPointerEXT",
  60
  61         "glVertexAttribPointer",
  62         "glVertexAttribPointerARB",
  63         "glVertexAttribPointerNV",
  64         "glVertexAttribIPointer",
  65         "glVertexAttribIPointerEXT",
  66         "glVertexAttribLPointer",
  67         "glVertexAttribLPointerEXT",
  68
  69         #"glMatrixIndexPointerARB",
  70     ))
  71
  72     draw_array_function_names = set([
  73         "glDrawArrays",
  74         "glDrawArraysEXT",
  75         "glDrawArraysIndirect",
  76         "glDrawArraysInstanced",
  77         "glDrawArraysInstancedARB",
  78         "glDrawArraysInstancedEXT",
  79         "glDrawMeshArraysSUN",
  80         "glMultiDrawArrays",
  81         "glMultiDrawArraysEXT",
  82         "glMultiModeDrawArraysIBM",
  83     ])
  84
  85     draw_elements_function_names = set([
  86         "glDrawElements",
  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",
 100     ])
 101
 102     def retrace_function_body(self, function):
 103         is_array_pointer = function.name in self.array_pointer_function_names
 104         is_draw_array = function.name in self.draw_array_function_names
 105         is_draw_elements = function.name in self.draw_elements_function_names
 106
 107         if is_array_pointer or is_draw_array or is_draw_elements:
 108             print '    if (glretrace::parser.version < 1) {'
 109
 110             if is_array_pointer or is_draw_array:
 111                 print '        GLint __array_buffer = 0;'
 112                 print '        glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
 113                 print '        if (!__array_buffer) {'
 114                 self.fail_function(function)
 115                 print '        }'
 116
 117             if is_draw_elements:
 118                 print '        GLint __element_array_buffer = 0;'
 119                 print '        glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
 120                 print '        if (!__element_array_buffer) {'
 121                 self.fail_function(function)
 122                 print '        }'
 123
 124             print '    }'
 125
 126         Retracer.retrace_function_body(self, function)
 127
 128         if function.name in ('glFlush', 'glFinish'):
 129             print '    if (!glretrace::double_buffer) {'
 130             print '        glretrace::frame_complete(call.no);'
 131             print '    }'
 132
 133         if function.name == 'glReadPixels':
 134             print '    glFinish();'
 135             print '    glretrace::snapshot(call.no);'
 136
 137     def call_function(self, function):
 138         if function.name == "glViewport":
 139             print '    if (glretrace::drawable) {'
 140             print '        int drawable_width  = x + width;'
 141             print '        int drawable_height = y + height;'
 142             print '        if (drawable_width  > (int)glretrace::drawable->width ||'
 143             print '            drawable_height > (int)glretrace::drawable->height) {'
 144             print '            glretrace::drawable->resize(drawable_width, drawable_height);'
 145             print '            if (!glretrace::drawable->visible) {'
 146             print '                glretrace::drawable->show();'
 147             print '            }'
 148             print '            glScissor(0, 0, drawable_width, drawable_height);'
 149             print '        }'
 150             print '    }'
 151
 152         if function.name == "glEnd":
 153             print '    glretrace::insideGlBeginEnd = false;'
 154
 155         Retracer.call_function(self, function)
 156
 157         if function.name == "glBegin":
 158             print '    glretrace::insideGlBeginEnd = true;'
 159         elif function.name.startswith('gl'):
 160             # glGetError is not allowed inside glBegin/glEnd
 161             print '    glretrace::checkGlError(call);'
 162
 163         if function.name in ('glProgramStringARB', 'glProgramStringNV'):
 164             print r'    GLint error_position = -1;'
 165             print r'    glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &error_position);'
 166             print r'    if (error_position != -1) {'
 167             print r'        const char *error_string = (const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB);'
 168             print r'        std::cerr << call.no << ": warning: " << error_string << "\n";'
 169             print r'    }'
 170
 171         if function.name == 'glCompileShader':
 172             print r'    GLint compile_status = 0;'
 173             print r'    glGetShaderiv(shader, GL_COMPILE_STATUS, &compile_status);'
 174             print r'    if (!compile_status) {'
 175             print r'         GLint info_log_length = 0;'
 176             print r'         glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &info_log_length);'
 177             print r'         GLchar *infoLog = new GLchar[info_log_length];'
 178             print r'         glGetShaderInfoLog(shader, info_log_length, NULL, infoLog);'
 179             print r'         std::cerr << call.no << ": warning: " << infoLog << "\n";'
 180             print r'         delete [] infoLog;'
 181             print r'    }'
 182
 183         if function.name == 'glLinkProgram':
 184             print r'    GLint link_status = 0;'
 185             print r'    glGetProgramiv(program, GL_LINK_STATUS, &link_status);'
 186             print r'    if (!link_status) {'
 187             print r'         GLint info_log_length = 0;'
 188             print r'         glGetProgramiv(program, GL_INFO_LOG_LENGTH, &info_log_length);'
 189             print r'         GLchar *infoLog = new GLchar[info_log_length];'
 190             print r'         glGetProgramInfoLog(program, info_log_length, NULL, infoLog);'
 191             print r'         std::cerr << call.no << ": warning: " << infoLog << "\n";'
 192             print r'         delete [] infoLog;'
 193             print r'    }'
 194
 195         if function.name == 'glCompileShaderARB':
 196             print r'    GLint compile_status = 0;'
 197             print r'    glGetObjectParameterivARB(shaderObj, GL_OBJECT_COMPILE_STATUS_ARB, &compile_status);'
 198             print r'    if (!compile_status) {'
 199             print r'         GLint info_log_length = 0;'
 200             print r'         glGetObjectParameterivARB(shaderObj, GL_OBJECT_INFO_LOG_LENGTH_ARB, &info_log_length);'
 201             print r'         GLchar *infoLog = new GLchar[info_log_length];'
 202             print r'         glGetInfoLogARB(shaderObj, info_log_length, NULL, infoLog);'
 203             print r'         std::cerr << call.no << ": warning: " << infoLog << "\n";'
 204             print r'         delete [] infoLog;'
 205             print r'    }'
 206
 207         if function.name == 'glLinkProgramARB':
 208             print r'    GLint link_status = 0;'
 209             print r'    glGetObjectParameterivARB(programObj, GL_OBJECT_LINK_STATUS_ARB, &link_status);'
 210             print r'    if (!link_status) {'
 211             print r'         GLint info_log_length = 0;'
 212             print r'         glGetObjectParameterivARB(programObj, GL_OBJECT_INFO_LOG_LENGTH_ARB, &info_log_length);'
 213             print r'         GLchar *infoLog = new GLchar[info_log_length];'
 214             print r'         glGetInfoLogARB(programObj, info_log_length, NULL, infoLog);'
 215             print r'         std::cerr << call.no << ": warning: " << infoLog << "\n";'
 216             print r'         delete [] infoLog;'
 217             print r'    }'
 218
 219     def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
 220         if function.name in self.array_pointer_function_names and arg.name == 'pointer':
 221             print '    %s = static_cast<%s>(%s.toPointer());' % (lvalue, arg_type, rvalue)
 222             return
 223
 224         if function.name in self.draw_elements_function_names and arg.name == 'indices':
 225             print '    %s = %s.toPointer();' % (lvalue, rvalue)
 226             return
 227
 228         if arg.type is glapi.GLlocation \
 229            and 'program' not in [arg.name for arg in function.args]:
 230             print '    GLint program = -1;'
 231             print '    glGetIntegerv(GL_CURRENT_PROGRAM, &program);'
 232
 233         if arg.type is glapi.GLlocationARB \
 234            and 'programObj' not in [arg.name for arg in function.args]:
 235             print '    GLhandleARB programObj = glGetHandleARB(GL_PROGRAM_OBJECT_ARB);'
 236
 237         Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
 238
 239         # Don't try to use more samples than the implementation supports
 240         if arg.name == 'samples':
 241             assert arg.type is glapi.GLsizei
 242             print '    GLint max_samples = 0;'
 243             print '    glGetIntegerv(GL_MAX_SAMPLES, &max_samples);'
 244             print '    if (samples > max_samples) {'
 245             print '        samples = max_samples;'
 246             print '    }'
 247
 248
 249 if __name__ == '__main__':
 250     print r'''
 251 #include <string.h>
 252
 253 #include "glproc.hpp"
 254 #include "glretrace.hpp"
 255
 256
 257 '''
 258     api = glapi.glapi
 259     api.add_function(glapi.memcpy)
 260     retracer = GlRetracer()
 261     retracer.retrace_api(api)