Python Tracer.dispatch_function方法代码示例

# 需要导入模块: from trace import Tracer [as 别名]
# 或者: from trace.Tracer import dispatch_function [as 别名]
    def dispatch_function(self, function):
        if function.name in ('glLinkProgram', 'glLinkProgramARB'):
            # These functions have been dispatched already
            return

        # We implement the GREMEDY extensions, not the driver
        if function.name in self.gremedy_functions:
            return

        if function.name in ('glXGetProcAddress', 'glXGetProcAddressARB', 'wglGetProcAddress'):
            if_ = 'if'
            for gremedy_function in self.gremedy_functions:
                print '    %s (strcmp("%s", (const char *)%s) == 0) {' % (if_, gremedy_function, function.args[0].name)
                print '        __result = (%s)&%s;' % (function.type, gremedy_function)
                print '    }'
                if_ = 'else if'
            print '    else {'
            Tracer.dispatch_function(self, function)
            print '    }'
            return

        # Override GL extensions
        if function.name in ('glGetString', 'glGetIntegerv', 'glGetStringi'):
            Tracer.dispatch_function(self, function, prefix = 'gltrace::__', suffix = '_override')
            return

        Tracer.dispatch_function(self, function)

# 需要导入模块: from trace import Tracer [as 别名]
# 或者: from trace.Tracer import dispatch_function [as 别名]
    def trace_function_impl_body(self, function):
        # Defer tracing of user array pointers...
        if function.name in self.array_pointer_function_names:
            print '    GLint __array_buffer = 0;'
            print '    __glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
            print '    if (!__array_buffer) {'
            print '        tracer_context *ctx = __get_context();'
            print '        ctx->user_arrays = true;'
            if function.name == "glVertexAttribPointerARB":
                print '        ctx->user_arrays_arb = true;'
            if function.name == "glVertexAttribPointerNV":
                print '        ctx->user_arrays_nv = true;'
            self.dispatch_function(function)

            # And also break down glInterleavedArrays into the individual calls
            if function.name == 'glInterleavedArrays':
                print

                # Initialize the enable flags
                for camelcase_name, uppercase_name in self.arrays:
                    flag_name = '__' + uppercase_name.lower()
                    print '        GLboolean %s = GL_FALSE;' % flag_name
                print

                # Switch for the interleaved formats
                print '        switch (format) {'
                for format in self.interleaved_formats:
                    print '            case %s:' % format
                    for camelcase_name, uppercase_name in self.arrays:
                        flag_name = '__' + uppercase_name.lower()
                        if format.find('_' + uppercase_name[0]) >= 0:
                            print '                %s = GL_TRUE;' % flag_name
                    print '                break;'
                print '            default:'
                print '               return;'
                print '        }'
                print

                # Emit fake glEnableClientState/glDisableClientState flags
                for camelcase_name, uppercase_name in self.arrays:
                    flag_name = '__' + uppercase_name.lower()
                    enable_name = 'GL_%s_ARRAY' % uppercase_name

                    # Emit a fake function
                    print '        {'
                    print '            static const trace::FunctionSig &__sig = %s ? __glEnableClientState_sig : __glDisableClientState_sig;' % flag_name
                    print '            unsigned __call = trace::localWriter.beginEnter(&__sig);'
                    print '            trace::localWriter.beginArg(0);'
                    dump_instance(glapi.GLenum, enable_name)
                    print '            trace::localWriter.endArg();'
                    print '            trace::localWriter.endEnter();'
                    print '            trace::localWriter.beginLeave(__call);'
                    print '            trace::localWriter.endLeave();'
                    print '        }'

            print '        return;'
            print '    }'

        # ... to the draw calls
        if function.name in self.draw_function_names:
            print '    if (__need_user_arrays()) {'
            arg_names = ', '.join([arg.name for arg in function.args[1:]])
            print '        GLuint maxindex = __%s_maxindex(%s);' % (function.name, arg_names)
            print '        __trace_user_arrays(maxindex);'
            print '    }'
        
        # Emit a fake memcpy on buffer uploads
        if function.name in ('glUnmapBuffer', 'glUnmapBufferARB', ):
            print '    struct buffer_mapping *mapping = get_buffer_mapping(target);'
            print '    if (mapping && mapping->write && !mapping->explicit_flush) {'
            self.emit_memcpy('mapping->map', 'mapping->map', 'mapping->length')
            print '    }'
        if function.name in ('glFlushMappedBufferRange', 'glFlushMappedBufferRangeAPPLE'):
            print '    struct buffer_mapping *mapping = get_buffer_mapping(target);'
            print '    if (mapping) {'
            if function.name.endswith('APPLE'):
                 print '        GLsizeiptr length = size;'
                 print '        mapping->explicit_flush = true;'
            print '        //assert(offset + length <= mapping->length);'
            self.emit_memcpy('(char *)mapping->map + offset', '(const char *)mapping->map + offset', 'length')
            print '    }'
        # FIXME: glFlushMappedNamedBufferRangeEXT

        # Don't leave vertex attrib locations to chance.  Instead emit fake
        # glBindAttribLocation calls to ensure that the same locations will be
        # used when retracing.  Trying to remap locations after the fact would
        # be an herculian task given that vertex attrib locations appear in
        # many entry-points, including non-shader related ones.
        if function.name == 'glLinkProgram':
            Tracer.dispatch_function(self, function)
            print '    GLint active_attributes = 0;'
            print '    __glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &active_attributes);'
            print '    for (GLint attrib = 0; attrib < active_attributes; ++attrib) {'
            print '        GLint size = 0;'
            print '        GLenum type = 0;'
            print '        GLchar name[256];'
            # TODO: Use ACTIVE_ATTRIBUTE_MAX_LENGTH instead of 256
            print '        __glGetActiveAttrib(program, attrib, sizeof name, NULL, &size, &type, name);'
            print "        if (name[0] != 'g' || name[1] != 'l' || name[2] != '_') {"
            print '            GLint location = __glGetAttribLocation(program, name);'
#.........这里部分代码省略.........

# 需要导入模块: from trace import Tracer [as 别名]
# 或者: from trace.Tracer import dispatch_function [as 别名]
    def dispatch_function(self, function):
        if function.name in ('glLinkProgram', 'glLinkProgramARB'):
            # These functions have been dispatched already
            return

        Tracer.dispatch_function(self, function)