- return
-
-
- def common_emit_one_arg(self, p, pc, adjust, extra_offset):
- if p.is_array():
- src_ptr = p.name
- else:
- src_ptr = "&" + p.name
-
- if p.is_padding:
- print '(void) memset((void *)(%s + %u), 0, %s);' \
- % (pc, p.offset + adjust, p.size_string() )
- elif not extra_offset:
- print '(void) memcpy((void *)(%s + %u), (void *)(%s), %s);' \
- % (pc, p.offset + adjust, src_ptr, p.size_string() )
- else:
- print '(void) memcpy((void *)(%s + %u + %s), (void *)(%s), %s);' \
- % (pc, p.offset + adjust, extra_offset, src_ptr, p.size_string() )
-
- def common_emit_args(self, f, pc, adjust, skip_vla):
- extra_offset = None
-
- for p in f.parameterIterateGlxSend( not skip_vla ):
- if p.name != f.img_reset:
- self.common_emit_one_arg(p, pc, adjust, extra_offset)
-
- if p.is_variable_length():
- temp = p.size_string()
- if extra_offset:
- extra_offset += " + %s" % (temp)
- else:
- extra_offset = temp
-
- return
-
-
- def pixel_emit_args(self, f, pc, large):
- """Emit the arguments for a pixel function. This differs from
- common_emit_args in that pixel functions may require padding
- be inserted (i.e., for the missing width field for
- TexImage1D), and they may also require a 'NULL image' flag
- be inserted before the image data."""
-
- if large:
- adjust = 8
- else:
- adjust = 4
-
- for param in f.parameterIterateGlxSend():
- if not param.is_image():
- self.common_emit_one_arg(param, pc, adjust, None)
-
- if f.pad_after(param):
- print '(void) memcpy((void *)(%s + %u), zero, 4);' % (pc, (param.offset + param.size()) + adjust)
-
- else:
- [dim, width, height, depth, extent] = param.get_dimensions()
- if f.glx_rop == ~0:
- dim_str = "dim"
- else:
- dim_str = str(dim)
-
- if param.is_padding:
- print '(void) memset((void *)(%s + %u), 0, %s);' \
- % (pc, (param.offset - 4) + adjust, param.size_string() )
-
- if param.img_null_flag:
- if large:
- print '(void) memcpy((void *)(%s + %u), zero, 4);' % (pc, (param.offset - 4) + adjust)
- else:
- print '(void) memcpy((void *)(%s + %u), (void *)((%s == NULL) ? one : zero), 4);' % (pc, (param.offset - 4) + adjust, param.name)
-
-
- pixHeaderPtr = "%s + %u" % (pc, adjust)
- pcPtr = "%s + %u" % (pc, param.offset + adjust)
-
- if not large:
- if param.img_send_null:
- condition = '(compsize > 0) && (%s != NULL)' % (param.name)
- else:
- condition = 'compsize > 0'
-
- print 'if (%s) {' % (condition)
- print ' (*gc->fillImage)(gc, %s, %s, %s, %s, %s, %s, %s, %s, %s);' % (dim_str, width, height, depth, param.img_format, param.img_type, param.name, pcPtr, pixHeaderPtr)
- print '} else {'
- print ' (void) memcpy( %s, default_pixel_store_%uD, default_pixel_store_%uD_size );' % (pixHeaderPtr, dim, dim)
- print '}'
- else:
- print '__glXSendLargeImage(gc, compsize, %s, %s, %s, %s, %s, %s, %s, %s, %s);' % (dim_str, width, height, depth, param.img_format, param.img_type, param.name, pcPtr, pixHeaderPtr)
-
- return
-
-
- def large_emit_begin(self, f, op_name = None):
- if not op_name:
- op_name = f.opcode_real_name()
-
- print 'const GLint op = %s;' % (op_name)
- print 'const GLuint cmdlenLarge = cmdlen + 4;'
- print 'GLubyte * const pc = __glXFlushRenderBuffer(gc, gc->pc);'
- print '(void) memcpy((void *)(pc + 0), (void *)(&cmdlenLarge), 4);'
- print '(void) memcpy((void *)(pc + 4), (void *)(&op), 4);'
- return
-
-
- def common_func_print_just_start(self, f, name):
- print ' struct glx_context * const gc = __glXGetCurrentContext();'
-
- # The only reason that single and vendor private commands need
- # a variable called 'dpy' is becuase they use the SyncHandle
- # macro. For whatever brain-dead reason, that macro is hard-
- # coded to use a variable called 'dpy' instead of taking a
- # parameter.
-
- # FIXME Simplify the logic related to skip_condition and
- # FIXME condition_list in this function. Basically, remove
- # FIXME skip_condition, and just append the "dpy != NULL" type
- # FIXME condition to condition_list from the start. The only
- # FIXME reason it's done in this confusing way now is to
- # FIXME minimize the diffs in the generated code.
-
- if not f.glx_rop:
- for p in f.parameterIterateOutputs():
- if p.is_image() and (p.img_format != "GL_COLOR_INDEX" or p.img_type != "GL_BITMAP"):
- print ' const __GLXattribute * const state = gc->client_state_private;'
- break
-
- print ' Display * const dpy = gc->currentDpy;'
- skip_condition = "dpy != NULL"
- elif f.can_be_large:
- skip_condition = "gc->currentDpy != NULL"
- else:
- skip_condition = None
-
-
- if f.return_type != 'void':
- print ' %s retval = (%s) 0;' % (f.return_type, f.return_type)
-
-
- if name != None and name not in f.glx_vendorpriv_names:
- print '#ifndef USE_XCB'
- self.emit_packet_size_calculation(f, 0)
- if name != None and name not in f.glx_vendorpriv_names:
- print '#endif'
-
- condition_list = []
- for p in f.parameterIterateCounters():
- condition_list.append( "%s >= 0" % (p.name) )
- # 'counter' parameters cannot be negative
- print " if (%s < 0) {" % p.name
- print " __glXSetError(gc, GL_INVALID_VALUE);"
- if f.return_type != 'void':
- print " return 0;"
- else:
- print " return;"
- print " }"
-
- if skip_condition:
- condition_list.append( skip_condition )
-
- if len( condition_list ) > 0:
- if len( condition_list ) > 1:
- skip_condition = "(%s)" % (string.join( condition_list, ") && (" ))
- else:
- skip_condition = "%s" % (condition_list.pop(0))
-
- print ' if (__builtin_expect(%s, 1)) {' % (skip_condition)
- return 1
- else:
- return 0
-
-
- def printSingleFunction(self, f, name):
- self.common_func_print_just_start(f, name)
-
- if self.debug:
- print ' printf( "Enter %%s...\\n", "gl%s" );' % (f.name)
-
- if name not in f.glx_vendorpriv_names:
-
- # XCB specific:
- print '#ifdef USE_XCB'
- if self.debug:
- print ' printf("\\tUsing XCB.\\n");'
- print ' xcb_connection_t *c = XGetXCBConnection(dpy);'
- print ' (void) __glXFlushRenderBuffer(gc, gc->pc);'
- xcb_name = 'xcb_glx%s' % convertStringForXCB(name)
-
- iparams=[]
- extra_iparams = []
- output = None
- for p in f.parameterIterator():
- if p.is_output:
- output = p
-
- if p.is_image():
- if p.img_format != "GL_COLOR_INDEX" or p.img_type != "GL_BITMAP":
- extra_iparams.append("state->storePack.swapEndian")
- else:
- extra_iparams.append("0")
-
- # Hardcode this in. lsb_first param (apparently always GL_FALSE)
- # also present in GetPolygonStipple, but taken care of above.
- if xcb_name == "xcb_glx_read_pixels":
- extra_iparams.append("0")
- else:
- iparams.append(p.name)
-
-
- xcb_request = '%s(%s)' % (xcb_name, ", ".join(["c", "gc->currentContextTag"] + iparams + extra_iparams))
-
- if f.needs_reply():
- print ' %s_reply_t *reply = %s_reply(c, %s, NULL);' % (xcb_name, xcb_name, xcb_request)
- if output:
- if output.is_image():
- [dim, w, h, d, junk] = output.get_dimensions()
- if f.dimensions_in_reply:
- w = "reply->width"
- h = "reply->height"
- d = "reply->depth"
- if dim < 2:
- h = "1"
- else:
- print ' if (%s == 0) { %s = 1; }' % (h, h)
- if dim < 3:
- d = "1"
- else:
- print ' if (%s == 0) { %s = 1; }' % (d, d)
-
- print ' __glEmptyImage(gc, 3, %s, %s, %s, %s, %s, %s_data(reply), %s);' % (w, h, d, output.img_format, output.img_type, xcb_name, output.name)
- else:
- if f.reply_always_array:
- print ' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output.name, xcb_name, xcb_name, output.get_base_type_string())
- else:
- print ' if (%s_data_length(reply) == 0)' % (xcb_name)
- print ' (void)memcpy(%s, &reply->datum, sizeof(reply->datum));' % (output.name)
- print ' else'
- print ' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output.name, xcb_name, xcb_name, output.get_base_type_string())
-
- if f.return_type != 'void':
- print ' retval = reply->ret_val;'
- print ' free(reply);'
- else:
- print ' ' + xcb_request + ';'
- print '#else'
- # End of XCB specific.
-
-
- if f.parameters != []:
- pc_decl = "GLubyte const * pc ="
- else:
- pc_decl = "(void)"
-
- if name in f.glx_vendorpriv_names:
- print ' %s __glXSetupVendorRequest(gc, %s, %s, cmdlen);' % (pc_decl, f.opcode_real_name(), f.opcode_vendor_name(name))
- else:
- print ' %s __glXSetupSingleRequest(gc, %s, cmdlen);' % (pc_decl, f.opcode_name())
-
- self.common_emit_args(f, "pc", 0, 0)
-
- images = f.get_images()
-
- for img in images:
- if img.is_output:
- o = f.command_fixed_length() - 4
- print ' *(int32_t *)(pc + %u) = 0;' % (o)
- if img.img_format != "GL_COLOR_INDEX" or img.img_type != "GL_BITMAP":
- print ' * (int8_t *)(pc + %u) = state->storePack.swapEndian;' % (o)
-
- if f.img_reset:
- print ' * (int8_t *)(pc + %u) = %s;' % (o + 1, f.img_reset)
-
-
- return_name = ''
- if f.needs_reply():
- if f.return_type != 'void':
- return_name = " retval"
- return_str = " retval = (%s)" % (f.return_type)
- else:
- return_str = " (void)"
-
- got_reply = 0
-
- for p in f.parameterIterateOutputs():
- if p.is_image():
- [dim, w, h, d, junk] = p.get_dimensions()
- if f.dimensions_in_reply:
- print " __glXReadPixelReply(dpy, gc, %u, 0, 0, 0, %s, %s, %s, GL_TRUE);" % (dim, p.img_format, p.img_type, p.name)
- else:
- print " __glXReadPixelReply(dpy, gc, %u, %s, %s, %s, %s, %s, %s, GL_FALSE);" % (dim, w, h, d, p.img_format, p.img_type, p.name)
-
- got_reply = 1
- else:
- if f.reply_always_array:
- aa = "GL_TRUE"
- else:
- aa = "GL_FALSE"
-
- # gl_parameter.size() returns the size
- # of the entire data item. If the
- # item is a fixed-size array, this is
- # the size of the whole array. This
- # is not what __glXReadReply wants. It
- # wants the size of a single data
- # element in the reply packet.
- # Dividing by the array size (1 for
- # non-arrays) gives us this.
-
- s = p.size() / p.get_element_count()
- print " %s __glXReadReply(dpy, %s, %s, %s);" % (return_str, s, p.name, aa)
- got_reply = 1
-
-
- # If a reply wasn't read to fill an output parameter,
- # read a NULL reply to get the return value.
-
- if not got_reply:
- print " %s __glXReadReply(dpy, 0, NULL, GL_FALSE);" % (return_str)
-
-
- elif self.debug:
- # Only emit the extra glFinish call for functions
- # that don't already require a reply from the server.
- print ' __indirect_glFinish();'
-
- if self.debug:
- print ' printf( "Exit %%s.\\n", "gl%s" );' % (name)
-