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

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   2 #
   3 # Copyright 2010 VMware, Inc.
   4 # All Rights Reserved.
   5 #
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  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,
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  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         "glVertexAttribLPointer",
  65         "glVertexAttribLPointerEXT",
  66
  67         #"glMatrixIndexPointerARB",
  68     ))
  69
  70     draw_array_function_names = set([
  71         "glDrawArrays",
  72         "glDrawArraysEXT",
  73         "glDrawArraysIndirect",
  74         "glDrawArraysInstanced",
  75         "glDrawArraysInstancedARB",
  76         "glDrawArraysInstancedEXT",
  77         "glDrawMeshArraysSUN",
  78         "glMultiDrawArrays",
  79         "glMultiDrawArraysEXT",
  80         "glMultiModeDrawArraysIBM",
  81     ])
  82
  83     draw_elements_function_names = set([
  84         "glDrawElements",
  85         "glDrawElementsBaseVertex",
  86         "glDrawElementsIndirect",
  87         "glDrawElementsInstanced",
  88         "glDrawElementsInstancedARB",
  89         "glDrawElementsInstancedBaseVertex",
  90         "glDrawElementsInstancedEXT",
  91         "glDrawRangeElements",
  92         "glDrawRangeElementsBaseVertex",
  93         "glDrawRangeElementsEXT",
  94         #"glMultiDrawElements",
  95         #"glMultiDrawElementsBaseVertex",
  96         #"glMultiDrawElementsEXT",
  97         #"glMultiModeDrawElementsIBM",
  98     ])
  99
 100     def retrace_function_body(self, function):
 101         is_array_pointer = function.name in self.array_pointer_function_names
 102         is_draw_array = function.name in self.draw_array_function_names
 103         is_draw_elements = function.name in self.draw_elements_function_names
 104
 105         if is_array_pointer or is_draw_array or is_draw_elements:
 106             print '    if (Trace::Parser::version < 1) {'
 107
 108             if is_array_pointer or is_draw_array:
 109                 print '        GLint __array_buffer = 0;'
 110                 print '        glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
 111                 print '        if (!__array_buffer) {'
 112                 self.fail_function(function)
 113                 print '        }'
 114
 115             if is_draw_elements:
 116                 print '        GLint __element_array_buffer = 0;'
 117                 print '        glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
 118                 print '        if (!__element_array_buffer) {'
 119                 self.fail_function(function)
 120                 print '        }'
 121
 122             print '    }'
 123
 124         Retracer.retrace_function_body(self, function)
 125
 126     def call_function(self, function):
 127         if function.name == "glViewport":
 128             print '    bool reshape_window = false;'
 129             print '    if (x + width > glretrace::window_width) {'
 130             print '        glretrace::window_width = x + width;'
 131             print '        reshape_window = true;'
 132             print '    }'
 133             print '    if (y + height > glretrace::window_height) {'
 134             print '        glretrace::window_height = y + height;'
 135             print '        reshape_window = true;'
 136             print '    }'
 137             print '    if (reshape_window) {'
 138             print '        // XXX: does not always work'
 139             print '        glretrace::drawable->resize(glretrace::window_width, glretrace::window_height);'
 140             print '        reshape_window = false;'
 141             print '    }'
 142
 143         if function.name == "glEnd":
 144             print '    glretrace::insideGlBeginEnd = false;'
 145
 146         Retracer.call_function(self, function)
 147
 148         if function.name == "glBegin":
 149             print '    glretrace::insideGlBeginEnd = true;'
 150         else:
 151             # glGetError is not allowed inside glBegin/glEnd
 152             print '    glretrace::checkGlError();'
 153
 154     def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
 155         if function.name in self.array_pointer_function_names and arg.name == 'pointer':
 156             print '    %s = %s.blob();' % (lvalue, rvalue)
 157             return
 158
 159         if function.name in self.draw_elements_function_names and arg.name == 'indices':
 160             print '    %s = %s.blob();' % (lvalue, rvalue)
 161             return
 162
 163         if function.name.startswith('glUniform') and function.args[0].name == arg.name == 'location':
 164             print '    GLint program = -1;'
 165             print '    glGetIntegerv(GL_CURRENT_PROGRAM, &program);'
 166
 167         Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
 168
 169
 170 if __name__ == '__main__':
 171     print r'''
 172 #include "glproc.hpp"
 173 #include "glretrace.hpp"
 174
 175
 176 '''
 177     api = glapi.glapi
 178     retracer = GlRetracer()
 179     retracer.retrace_api(glapi.glapi)