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-rw-r--r--mesalib/src/mapi/glapi/gen/glX_proto_send.py2086
1 files changed, 1044 insertions, 1042 deletions
diff --git a/mesalib/src/mapi/glapi/gen/glX_proto_send.py b/mesalib/src/mapi/glapi/gen/glX_proto_send.py
index bd41c9e66..9c4f45481 100644
--- a/mesalib/src/mapi/glapi/gen/glX_proto_send.py
+++ b/mesalib/src/mapi/glapi/gen/glX_proto_send.py
@@ -1,1042 +1,1044 @@
-#!/usr/bin/env python
-
-# (C) Copyright IBM Corporation 2004, 2005
-# All Rights Reserved.
-#
-# Permission is hereby granted, free of charge, to any person obtaining a
-# copy of this software and associated documentation files (the "Software"),
-# to deal in the Software without restriction, including without limitation
-# on the rights to use, copy, modify, merge, publish, distribute, sub
-# license, and/or sell copies of the Software, and to permit persons to whom
-# the Software is furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice (including the next
-# paragraph) shall be included in all copies or substantial portions of the
-# Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
-# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-# IN THE SOFTWARE.
-#
-# Authors:
-# Ian Romanick <idr@us.ibm.com>
-# Jeremy Kolb <jkolb@brandeis.edu>
-
-import gl_XML, glX_XML, glX_proto_common, license
-import sys, getopt, copy, string
-
-def convertStringForXCB(str):
- tmp = ""
- special = [ "ARB" ]
- i = 0
- while i < len(str):
- if str[i:i+3] in special:
- tmp = '%s_%s' % (tmp, string.lower(str[i:i+3]))
- i = i + 2;
- elif str[i].isupper():
- tmp = '%s_%s' % (tmp, string.lower(str[i]))
- else:
- tmp = '%s%s' % (tmp, str[i])
- i += 1
- return tmp
-
-def hash_pixel_function(func):
- """Generate a 'unique' key for a pixel function. The key is based on
- the parameters written in the command packet. This includes any
- padding that might be added for the original function and the 'NULL
- image' flag."""
-
-
- h = ""
- hash_pre = ""
- hash_suf = ""
- for param in func.parameterIterateGlxSend():
- if param.is_image():
- [dim, junk, junk, junk, junk] = param.get_dimensions()
-
- d = (dim + 1) & ~1
- hash_pre = "%uD%uD_" % (d - 1, d)
-
- if param.img_null_flag:
- hash_suf = "_NF"
-
- h += "%u" % (param.size())
-
- if func.pad_after(param):
- h += "4"
-
-
- n = func.name.replace("%uD" % (dim), "")
- n = "__glx_%s_%uD%uD" % (n, d - 1, d)
-
- h = hash_pre + h + hash_suf
- return [h, n]
-
-
-class glx_pixel_function_stub(glX_XML.glx_function):
- """Dummy class used to generate pixel "utility" functions that are
- shared by multiple dimension image functions. For example, these
- objects are used to generate shared functions used to send GLX
- protocol for TexImage1D and TexImage2D, TexSubImage1D and
- TexSubImage2D, etc."""
-
- def __init__(self, func, name):
- # The parameters to the utility function are the same as the
- # parameters to the real function except for the added "pad"
- # parameters.
-
- self.name = name
- self.images = []
- self.parameters = []
- self.parameters_by_name = {}
- for _p in func.parameterIterator():
- p = copy.copy(_p)
- self.parameters.append(p)
- self.parameters_by_name[ p.name ] = p
-
-
- if p.is_image():
- self.images.append(p)
- p.height = "height"
-
- if p.img_yoff == None:
- p.img_yoff = "yoffset"
-
- if p.depth:
- if p.extent == None:
- p.extent = "extent"
-
- if p.img_woff == None:
- p.img_woff = "woffset"
-
-
- pad_name = func.pad_after(p)
- if pad_name:
- pad = copy.copy(p)
- pad.name = pad_name
- self.parameters.append(pad)
- self.parameters_by_name[ pad.name ] = pad
-
-
- self.return_type = func.return_type
-
- self.glx_rop = ~0
- self.glx_sop = 0
- self.glx_vendorpriv = 0
-
- self.glx_doubles_in_order = func.glx_doubles_in_order
-
- self.vectorequiv = None
- self.output = None
- self.can_be_large = func.can_be_large
- self.reply_always_array = func.reply_always_array
- self.dimensions_in_reply = func.dimensions_in_reply
- self.img_reset = None
-
- self.server_handcode = 0
- self.client_handcode = 0
- self.ignore = 0
-
- self.count_parameter_list = func.count_parameter_list
- self.counter_list = func.counter_list
- self.offsets_calculated = 0
- return
-
-
-class PrintGlxProtoStubs(glX_proto_common.glx_print_proto):
- def __init__(self):
- glX_proto_common.glx_print_proto.__init__(self)
- self.name = "glX_proto_send.py (from Mesa)"
- self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004, 2005", "IBM")
-
-
- self.last_category = ""
- self.generic_sizes = [3, 4, 6, 8, 12, 16, 24, 32]
- self.pixel_stubs = {}
- self.debug = 0
- return
-
- def printRealHeader(self):
- print ''
- print '#include <GL/gl.h>'
- print '#include "indirect.h"'
- print '#include "glxclient.h"'
- print '#include "indirect_size.h"'
- print '#include "glapidispatch.h"'
- print '#include "glapi.h"'
- print '#include "glthread.h"'
- print '#include <GL/glxproto.h>'
- print '#ifdef USE_XCB'
- print '#include <X11/Xlib-xcb.h>'
- print '#include <xcb/xcb.h>'
- print '#include <xcb/glx.h>'
- print '#endif /* USE_XCB */'
-
- print ''
- print '#define __GLX_PAD(n) (((n) + 3) & ~3)'
- print ''
- self.printFastcall()
- self.printNoinline()
- print ''
- print '#ifndef __GNUC__'
- print '# define __builtin_expect(x, y) x'
- print '#endif'
- print ''
- print '/* If the size and opcode values are known at compile-time, this will, on'
- print ' * x86 at least, emit them with a single instruction.'
- print ' */'
- print '#define emit_header(dest, op, size) \\'
- print ' do { union { short s[2]; int i; } temp; \\'
- print ' temp.s[0] = (size); temp.s[1] = (op); \\'
- print ' *((int *)(dest)) = temp.i; } while(0)'
- print ''
- print """NOINLINE CARD32
-__glXReadReply( Display *dpy, size_t size, void * dest, GLboolean reply_is_always_array )
-{
- xGLXSingleReply reply;
-
- (void) _XReply(dpy, (xReply *) & reply, 0, False);
- if (size != 0) {
- if ((reply.length > 0) || reply_is_always_array) {
- const GLint bytes = (reply_is_always_array)
- ? (4 * reply.length) : (reply.size * size);
- const GLint extra = 4 - (bytes & 3);
-
- _XRead(dpy, dest, bytes);
- if ( extra < 4 ) {
- _XEatData(dpy, extra);
- }
- }
- else {
- (void) memcpy( dest, &(reply.pad3), size);
- }
- }
-
- return reply.retval;
-}
-
-NOINLINE void
-__glXReadPixelReply( Display *dpy, struct glx_context * gc, unsigned max_dim,
- GLint width, GLint height, GLint depth, GLenum format, GLenum type,
- void * dest, GLboolean dimensions_in_reply )
-{
- xGLXSingleReply reply;
- GLint size;
-
- (void) _XReply(dpy, (xReply *) & reply, 0, False);
-
- if ( dimensions_in_reply ) {
- width = reply.pad3;
- height = reply.pad4;
- depth = reply.pad5;
-
- if ((height == 0) || (max_dim < 2)) { height = 1; }
- if ((depth == 0) || (max_dim < 3)) { depth = 1; }
- }
-
- size = reply.length * 4;
- if (size != 0) {
- void * buf = Xmalloc( size );
-
- if ( buf == NULL ) {
- _XEatData(dpy, size);
- __glXSetError(gc, GL_OUT_OF_MEMORY);
- }
- else {
- const GLint extra = 4 - (size & 3);
-
- _XRead(dpy, buf, size);
- if ( extra < 4 ) {
- _XEatData(dpy, extra);
- }
-
- __glEmptyImage(gc, 3, width, height, depth, format, type,
- buf, dest);
- Xfree(buf);
- }
- }
-}
-
-#define X_GLXSingle 0
-
-NOINLINE FASTCALL GLubyte *
-__glXSetupSingleRequest( struct glx_context * gc, GLint sop, GLint cmdlen )
-{
- xGLXSingleReq * req;
- Display * const dpy = gc->currentDpy;
-
- (void) __glXFlushRenderBuffer(gc, gc->pc);
- LockDisplay(dpy);
- GetReqExtra(GLXSingle, cmdlen, req);
- req->reqType = gc->majorOpcode;
- req->contextTag = gc->currentContextTag;
- req->glxCode = sop;
- return (GLubyte *)(req) + sz_xGLXSingleReq;
-}
-
-NOINLINE FASTCALL GLubyte *
-__glXSetupVendorRequest( struct glx_context * gc, GLint code, GLint vop, GLint cmdlen )
-{
- xGLXVendorPrivateReq * req;
- Display * const dpy = gc->currentDpy;
-
- (void) __glXFlushRenderBuffer(gc, gc->pc);
- LockDisplay(dpy);
- GetReqExtra(GLXVendorPrivate, cmdlen, req);
- req->reqType = gc->majorOpcode;
- req->glxCode = code;
- req->vendorCode = vop;
- req->contextTag = gc->currentContextTag;
- return (GLubyte *)(req) + sz_xGLXVendorPrivateReq;
-}
-
-const GLuint __glXDefaultPixelStore[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 1 };
-
-#define zero (__glXDefaultPixelStore+0)
-#define one (__glXDefaultPixelStore+8)
-#define default_pixel_store_1D (__glXDefaultPixelStore+4)
-#define default_pixel_store_1D_size 20
-#define default_pixel_store_2D (__glXDefaultPixelStore+4)
-#define default_pixel_store_2D_size 20
-#define default_pixel_store_3D (__glXDefaultPixelStore+0)
-#define default_pixel_store_3D_size 36
-#define default_pixel_store_4D (__glXDefaultPixelStore+0)
-#define default_pixel_store_4D_size 36
-"""
-
- for size in self.generic_sizes:
- self.print_generic_function(size)
- return
-
-
- def printBody(self, api):
-
- self.pixel_stubs = {}
- generated_stubs = []
-
- for func in api.functionIterateGlx():
- if func.client_handcode: continue
-
- # If the function is a pixel function with a certain
- # GLX protocol signature, create a fake stub function
- # for it. For example, create a single stub function
- # that is used to implement both glTexImage1D and
- # glTexImage2D.
-
- if func.glx_rop != 0:
- do_it = 0
- for image in func.get_images():
- if image.img_pad_dimensions:
- do_it = 1
- break
-
-
- if do_it:
- [h, n] = hash_pixel_function(func)
-
-
- self.pixel_stubs[ func.name ] = n
- if h not in generated_stubs:
- generated_stubs.append(h)
-
- fake_func = glx_pixel_function_stub( func, n )
- self.printFunction(fake_func, fake_func.name)
-
-
- self.printFunction(func, func.name)
- if func.glx_sop and func.glx_vendorpriv:
- self.printFunction(func, func.glx_vendorpriv_names[0])
-
- return
-
-
- def printFunction(self, func, name):
- footer = '}\n'
- if func.glx_rop == ~0:
- print 'static %s' % (func.return_type)
- print '%s( unsigned opcode, unsigned dim, %s )' % (func.name, func.get_parameter_string())
- print '{'
- else:
- if func.has_different_protocol(name):
- if func.return_type == "void":
- ret_string = ''
- else:
- ret_string = "return "
-
- func_name = func.static_glx_name(name)
- print '#define %s %d' % (func.opcode_vendor_name(name), func.glx_vendorpriv)
- print '%s gl%s(%s)' % (func.return_type, func_name, func.get_parameter_string())
- print '{'
- print ' struct glx_context * const gc = __glXGetCurrentContext();'
- print ''
- print '#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)'
- print ' if (gc->isDirect) {'
- print ' %sCALL_%s(GET_DISPATCH(), (%s));' % (ret_string, func.name, func.get_called_parameter_string())
- print ' } else'
- print '#endif'
- print ' {'
-
- footer = '}\n}\n'
- else:
- print '#define %s %d' % (func.opcode_name(), func.opcode_value())
-
- print '%s __indirect_gl%s(%s)' % (func.return_type, name, func.get_parameter_string())
- print '{'
-
-
- if func.glx_rop != 0 or func.vectorequiv != None:
- if len(func.images):
- self.printPixelFunction(func)
- else:
- self.printRenderFunction(func)
- elif func.glx_sop != 0 or func.glx_vendorpriv != 0:
- self.printSingleFunction(func, name)
- pass
- else:
- print "/* Missing GLX protocol for %s. */" % (name)
-
- print footer
- return
-
-
- def print_generic_function(self, n):
- size = (n + 3) & ~3
- print """static FASTCALL NOINLINE void
-generic_%u_byte( GLint rop, const void * ptr )
-{
- struct glx_context * const gc = __glXGetCurrentContext();
- const GLuint cmdlen = %u;
-
- emit_header(gc->pc, rop, cmdlen);
- (void) memcpy((void *)(gc->pc + 4), ptr, %u);
- gc->pc += cmdlen;
- if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }
-}
-""" % (n, size + 4, size)
- 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 and 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())
-
- elif output and not f.reply_always_array:
- if not output.is_image():
- 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)
-
-
- print ' UnlockDisplay(dpy); SyncHandle();'
-
- if name not in f.glx_vendorpriv_names:
- print '#endif /* USE_XCB */'
-
- print ' }'
- print ' return%s;' % (return_name)
- return
-
-
- def printPixelFunction(self, f):
- if self.pixel_stubs.has_key( f.name ):
- # Normally gl_function::get_parameter_string could be
- # used. However, this call needs to have the missing
- # dimensions (e.g., a fake height value for
- # glTexImage1D) added in.
-
- p_string = ""
- for param in f.parameterIterateGlxSend():
- if param.is_padding:
- continue
-
- p_string += ", " + param.name
-
- if param.is_image():
- [dim, junk, junk, junk, junk] = param.get_dimensions()
-
- if f.pad_after(param):
- p_string += ", 1"
-
- print ' %s(%s, %u%s );' % (self.pixel_stubs[f.name] , f.opcode_name(), dim, p_string)
- return
-
-
- if self.common_func_print_just_start(f, None):
- trailer = " }"
- else:
- trailer = None
-
-
- if f.can_be_large:
- print 'if (cmdlen <= gc->maxSmallRenderCommandSize) {'
- print ' if ( (gc->pc + cmdlen) > gc->bufEnd ) {'
- print ' (void) __glXFlushRenderBuffer(gc, gc->pc);'
- print ' }'
-
- if f.glx_rop == ~0:
- opcode = "opcode"
- else:
- opcode = f.opcode_real_name()
-
- print 'emit_header(gc->pc, %s, cmdlen);' % (opcode)
-
- self.pixel_emit_args( f, "gc->pc", 0 )
- print 'gc->pc += cmdlen;'
- print 'if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); }'
-
- if f.can_be_large:
- print '}'
- print 'else {'
-
- self.large_emit_begin(f, opcode)
- self.pixel_emit_args(f, "pc", 1)
-
- print '}'
-
- if trailer: print trailer
- return
-
-
- def printRenderFunction(self, f):
- # There is a class of GL functions that take a single pointer
- # as a parameter. This pointer points to a fixed-size chunk
- # of data, and the protocol for this functions is very
- # regular. Since they are so regular and there are so many
- # of them, special case them with generic functions. On
- # x86, this saves about 26KB in the libGL.so binary.
-
- if f.variable_length_parameter() == None and len(f.parameters) == 1:
- p = f.parameters[0]
- if p.is_pointer():
- cmdlen = f.command_fixed_length()
- if cmdlen in self.generic_sizes:
- print ' generic_%u_byte( %s, %s );' % (cmdlen, f.opcode_real_name(), p.name)
- return
-
- if self.common_func_print_just_start(f, None):
- trailer = " }"
- else:
- trailer = None
-
- if self.debug:
- print 'printf( "Enter %%s...\\n", "gl%s" );' % (f.name)
-
- if f.can_be_large:
- print 'if (cmdlen <= gc->maxSmallRenderCommandSize) {'
- print ' if ( (gc->pc + cmdlen) > gc->bufEnd ) {'
- print ' (void) __glXFlushRenderBuffer(gc, gc->pc);'
- print ' }'
-
- print 'emit_header(gc->pc, %s, cmdlen);' % (f.opcode_real_name())
-
- self.common_emit_args(f, "gc->pc", 4, 0)
- print 'gc->pc += cmdlen;'
- print 'if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }'
-
- if f.can_be_large:
- print '}'
- print 'else {'
-
- self.large_emit_begin(f)
- self.common_emit_args(f, "pc", 8, 1)
-
- p = f.variable_length_parameter()
- print ' __glXSendLargeCommand(gc, pc, %u, %s, %s);' % (p.offset + 8, p.name, p.size_string())
- print '}'
-
- if self.debug:
- print '__indirect_glFinish();'
- print 'printf( "Exit %%s.\\n", "gl%s" );' % (f.name)
-
- if trailer: print trailer
- return
-
-
-class PrintGlxProtoInit_c(gl_XML.gl_print_base):
- def __init__(self):
- gl_XML.gl_print_base.__init__(self)
-
- self.name = "glX_proto_send.py (from Mesa)"
- self.license = license.bsd_license_template % ( \
-"""Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
-(C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
- return
-
-
- def printRealHeader(self):
- print """/**
- * \\file indirect_init.c
- * Initialize indirect rendering dispatch table.
- *
- * \\author Kevin E. Martin <kevin@precisioninsight.com>
- * \\author Brian Paul <brian@precisioninsight.com>
- * \\author Ian Romanick <idr@us.ibm.com>
- */
-
-#include "indirect_init.h"
-#include "indirect.h"
-#include "glapi.h"
-
-
-/**
- * No-op function used to initialize functions that have no GLX protocol
- * support.
- */
-static int NoOp(void)
-{
- return 0;
-}
-
-/**
- * Create and initialize a new GL dispatch table. The table is initialized
- * with GLX indirect rendering protocol functions.
- */
-struct _glapi_table * __glXNewIndirectAPI( void )
-{
- struct _glapi_table *glAPI;
- GLuint entries;
-
- entries = _glapi_get_dispatch_table_size();
- glAPI = (struct _glapi_table *) Xmalloc(entries * sizeof(void *));
-
- /* first, set all entries to point to no-op functions */
- {
- int i;
- void **dispatch = (void **) glAPI;
- for (i = 0; i < entries; i++) {
- dispatch[i] = (void *) NoOp;
- }
- }
-
- /* now, initialize the entries we understand */"""
-
- def printRealFooter(self):
- print """
- return glAPI;
-}
-"""
- return
-
-
- def printBody(self, api):
- for [name, number] in api.categoryIterate():
- if number != None:
- preamble = '\n /* %3u. %s */\n\n' % (int(number), name)
- else:
- preamble = '\n /* %s */\n\n' % (name)
-
- for func in api.functionIterateByCategory(name):
- if func.client_supported_for_indirect():
- print '%s glAPI->%s = __indirect_gl%s;' % (preamble, func.name, func.name)
- preamble = ''
-
- return
-
-
-class PrintGlxProtoInit_h(gl_XML.gl_print_base):
- def __init__(self):
- gl_XML.gl_print_base.__init__(self)
-
- self.name = "glX_proto_send.py (from Mesa)"
- self.license = license.bsd_license_template % ( \
-"""Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
-(C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
- self.header_tag = "_INDIRECT_H_"
-
- self.last_category = ""
- return
-
-
- def printRealHeader(self):
- print """/**
- * \\file
- * Prototypes for indirect rendering functions.
- *
- * \\author Kevin E. Martin <kevin@precisioninsight.com>
- * \\author Ian Romanick <idr@us.ibm.com>
- */
-"""
- self.printVisibility( "HIDDEN", "hidden" )
- self.printFastcall()
- self.printNoinline()
-
- print """
-#include "glxclient.h"
-
-extern HIDDEN NOINLINE CARD32 __glXReadReply( Display *dpy, size_t size,
- void * dest, GLboolean reply_is_always_array );
-
-extern HIDDEN NOINLINE void __glXReadPixelReply( Display *dpy,
- struct glx_context * gc, unsigned max_dim, GLint width, GLint height,
- GLint depth, GLenum format, GLenum type, void * dest,
- GLboolean dimensions_in_reply );
-
-extern HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupSingleRequest(
- struct glx_context * gc, GLint sop, GLint cmdlen );
-
-extern HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupVendorRequest(
- struct glx_context * gc, GLint code, GLint vop, GLint cmdlen );
-"""
-
-
- def printBody(self, api):
- for func in api.functionIterateGlx():
- params = func.get_parameter_string()
-
- print 'extern HIDDEN %s __indirect_gl%s(%s);' % (func.return_type, func.name, params)
-
- for n in func.entry_points:
- if func.has_different_protocol(n):
- asdf = func.static_glx_name(n)
- if asdf not in func.static_entry_points:
- print 'extern HIDDEN %s gl%s(%s);' % (func.return_type, asdf, params)
- else:
- print 'GLAPI %s GLAPIENTRY gl%s(%s);' % (func.return_type, asdf, params)
-
- break
-
-
-
-def show_usage():
- print "Usage: %s [-f input_file_name] [-m output_mode] [-d]" % sys.argv[0]
- print " -m output_mode Output mode can be one of 'proto', 'init_c' or 'init_h'."
- print " -d Enable extra debug information in the generated code."
- sys.exit(1)
-
-
-if __name__ == '__main__':
- file_name = "gl_API.xml"
-
- try:
- (args, trail) = getopt.getopt(sys.argv[1:], "f:m:d")
- except Exception,e:
- show_usage()
-
- debug = 0
- mode = "proto"
- for (arg,val) in args:
- if arg == "-f":
- file_name = val
- elif arg == "-m":
- mode = val
- elif arg == "-d":
- debug = 1
-
- if mode == "proto":
- printer = PrintGlxProtoStubs()
- elif mode == "init_c":
- printer = PrintGlxProtoInit_c()
- elif mode == "init_h":
- printer = PrintGlxProtoInit_h()
- else:
- show_usage()
-
-
- printer.debug = debug
- api = gl_XML.parse_GL_API( file_name, glX_XML.glx_item_factory() )
-
- printer.Print( api )
+#!/usr/bin/env python
+
+# (C) Copyright IBM Corporation 2004, 2005
+# All Rights Reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# on the rights to use, copy, modify, merge, publish, distribute, sub
+# license, and/or sell copies of the Software, and to permit persons to whom
+# the Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+#
+# Authors:
+# Ian Romanick <idr@us.ibm.com>
+# Jeremy Kolb <jkolb@brandeis.edu>
+
+import gl_XML, glX_XML, glX_proto_common, license
+import sys, getopt, copy, string
+
+def convertStringForXCB(str):
+ tmp = ""
+ special = [ "ARB" ]
+ i = 0
+ while i < len(str):
+ if str[i:i+3] in special:
+ tmp = '%s_%s' % (tmp, string.lower(str[i:i+3]))
+ i = i + 2;
+ elif str[i].isupper():
+ tmp = '%s_%s' % (tmp, string.lower(str[i]))
+ else:
+ tmp = '%s%s' % (tmp, str[i])
+ i += 1
+ return tmp
+
+def hash_pixel_function(func):
+ """Generate a 'unique' key for a pixel function. The key is based on
+ the parameters written in the command packet. This includes any
+ padding that might be added for the original function and the 'NULL
+ image' flag."""
+
+
+ h = ""
+ hash_pre = ""
+ hash_suf = ""
+ for param in func.parameterIterateGlxSend():
+ if param.is_image():
+ [dim, junk, junk, junk, junk] = param.get_dimensions()
+
+ d = (dim + 1) & ~1
+ hash_pre = "%uD%uD_" % (d - 1, d)
+
+ if param.img_null_flag:
+ hash_suf = "_NF"
+
+ h += "%u" % (param.size())
+
+ if func.pad_after(param):
+ h += "4"
+
+
+ n = func.name.replace("%uD" % (dim), "")
+ n = "__glx_%s_%uD%uD" % (n, d - 1, d)
+
+ h = hash_pre + h + hash_suf
+ return [h, n]
+
+
+class glx_pixel_function_stub(glX_XML.glx_function):
+ """Dummy class used to generate pixel "utility" functions that are
+ shared by multiple dimension image functions. For example, these
+ objects are used to generate shared functions used to send GLX
+ protocol for TexImage1D and TexImage2D, TexSubImage1D and
+ TexSubImage2D, etc."""
+
+ def __init__(self, func, name):
+ # The parameters to the utility function are the same as the
+ # parameters to the real function except for the added "pad"
+ # parameters.
+
+ self.name = name
+ self.images = []
+ self.parameters = []
+ self.parameters_by_name = {}
+ for _p in func.parameterIterator():
+ p = copy.copy(_p)
+ self.parameters.append(p)
+ self.parameters_by_name[ p.name ] = p
+
+
+ if p.is_image():
+ self.images.append(p)
+ p.height = "height"
+
+ if p.img_yoff == None:
+ p.img_yoff = "yoffset"
+
+ if p.depth:
+ if p.extent == None:
+ p.extent = "extent"
+
+ if p.img_woff == None:
+ p.img_woff = "woffset"
+
+
+ pad_name = func.pad_after(p)
+ if pad_name:
+ pad = copy.copy(p)
+ pad.name = pad_name
+ self.parameters.append(pad)
+ self.parameters_by_name[ pad.name ] = pad
+
+
+ self.return_type = func.return_type
+
+ self.glx_rop = ~0
+ self.glx_sop = 0
+ self.glx_vendorpriv = 0
+
+ self.glx_doubles_in_order = func.glx_doubles_in_order
+
+ self.vectorequiv = None
+ self.output = None
+ self.can_be_large = func.can_be_large
+ self.reply_always_array = func.reply_always_array
+ self.dimensions_in_reply = func.dimensions_in_reply
+ self.img_reset = None
+
+ self.server_handcode = 0
+ self.client_handcode = 0
+ self.ignore = 0
+
+ self.count_parameter_list = func.count_parameter_list
+ self.counter_list = func.counter_list
+ self.offsets_calculated = 0
+ return
+
+
+class PrintGlxProtoStubs(glX_proto_common.glx_print_proto):
+ def __init__(self):
+ glX_proto_common.glx_print_proto.__init__(self)
+ self.name = "glX_proto_send.py (from Mesa)"
+ self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004, 2005", "IBM")
+
+
+ self.last_category = ""
+ self.generic_sizes = [3, 4, 6, 8, 12, 16, 24, 32]
+ self.pixel_stubs = {}
+ self.debug = 0
+ return
+
+ def printRealHeader(self):
+ print ''
+ print '#include <GL/gl.h>'
+ print '#include "indirect.h"'
+ print '#include "glxclient.h"'
+ print '#include "indirect_size.h"'
+ print '#include "glapi.h"'
+ print '#include "glthread.h"'
+ print '#include <GL/glxproto.h>'
+ print '#ifdef USE_XCB'
+ print '#include <X11/Xlib-xcb.h>'
+ print '#include <xcb/xcb.h>'
+ print '#include <xcb/glx.h>'
+ print '#endif /* USE_XCB */'
+
+ print ''
+ print '#define __GLX_PAD(n) (((n) + 3) & ~3)'
+ print ''
+ self.printFastcall()
+ self.printNoinline()
+ print ''
+ print '#ifndef __GNUC__'
+ print '# define __builtin_expect(x, y) x'
+ print '#endif'
+ print ''
+ print '/* If the size and opcode values are known at compile-time, this will, on'
+ print ' * x86 at least, emit them with a single instruction.'
+ print ' */'
+ print '#define emit_header(dest, op, size) \\'
+ print ' do { union { short s[2]; int i; } temp; \\'
+ print ' temp.s[0] = (size); temp.s[1] = (op); \\'
+ print ' *((int *)(dest)) = temp.i; } while(0)'
+ print ''
+ print """NOINLINE CARD32
+__glXReadReply( Display *dpy, size_t size, void * dest, GLboolean reply_is_always_array )
+{
+ xGLXSingleReply reply;
+
+ (void) _XReply(dpy, (xReply *) & reply, 0, False);
+ if (size != 0) {
+ if ((reply.length > 0) || reply_is_always_array) {
+ const GLint bytes = (reply_is_always_array)
+ ? (4 * reply.length) : (reply.size * size);
+ const GLint extra = 4 - (bytes & 3);
+
+ _XRead(dpy, dest, bytes);
+ if ( extra < 4 ) {
+ _XEatData(dpy, extra);
+ }
+ }
+ else {
+ (void) memcpy( dest, &(reply.pad3), size);
+ }
+ }
+
+ return reply.retval;
+}
+
+NOINLINE void
+__glXReadPixelReply( Display *dpy, struct glx_context * gc, unsigned max_dim,
+ GLint width, GLint height, GLint depth, GLenum format, GLenum type,
+ void * dest, GLboolean dimensions_in_reply )
+{
+ xGLXSingleReply reply;
+ GLint size;
+
+ (void) _XReply(dpy, (xReply *) & reply, 0, False);
+
+ if ( dimensions_in_reply ) {
+ width = reply.pad3;
+ height = reply.pad4;
+ depth = reply.pad5;
+
+ if ((height == 0) || (max_dim < 2)) { height = 1; }
+ if ((depth == 0) || (max_dim < 3)) { depth = 1; }
+ }
+
+ size = reply.length * 4;
+ if (size != 0) {
+ void * buf = Xmalloc( size );
+
+ if ( buf == NULL ) {
+ _XEatData(dpy, size);
+ __glXSetError(gc, GL_OUT_OF_MEMORY);
+ }
+ else {
+ const GLint extra = 4 - (size & 3);
+
+ _XRead(dpy, buf, size);
+ if ( extra < 4 ) {
+ _XEatData(dpy, extra);
+ }
+
+ __glEmptyImage(gc, 3, width, height, depth, format, type,
+ buf, dest);
+ Xfree(buf);
+ }
+ }
+}
+
+#define X_GLXSingle 0
+
+NOINLINE FASTCALL GLubyte *
+__glXSetupSingleRequest( struct glx_context * gc, GLint sop, GLint cmdlen )
+{
+ xGLXSingleReq * req;
+ Display * const dpy = gc->currentDpy;
+
+ (void) __glXFlushRenderBuffer(gc, gc->pc);
+ LockDisplay(dpy);
+ GetReqExtra(GLXSingle, cmdlen, req);
+ req->reqType = gc->majorOpcode;
+ req->contextTag = gc->currentContextTag;
+ req->glxCode = sop;
+ return (GLubyte *)(req) + sz_xGLXSingleReq;
+}
+
+NOINLINE FASTCALL GLubyte *
+__glXSetupVendorRequest( struct glx_context * gc, GLint code, GLint vop, GLint cmdlen )
+{
+ xGLXVendorPrivateReq * req;
+ Display * const dpy = gc->currentDpy;
+
+ (void) __glXFlushRenderBuffer(gc, gc->pc);
+ LockDisplay(dpy);
+ GetReqExtra(GLXVendorPrivate, cmdlen, req);
+ req->reqType = gc->majorOpcode;
+ req->glxCode = code;
+ req->vendorCode = vop;
+ req->contextTag = gc->currentContextTag;
+ return (GLubyte *)(req) + sz_xGLXVendorPrivateReq;
+}
+
+const GLuint __glXDefaultPixelStore[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 1 };
+
+#define zero (__glXDefaultPixelStore+0)
+#define one (__glXDefaultPixelStore+8)
+#define default_pixel_store_1D (__glXDefaultPixelStore+4)
+#define default_pixel_store_1D_size 20
+#define default_pixel_store_2D (__glXDefaultPixelStore+4)
+#define default_pixel_store_2D_size 20
+#define default_pixel_store_3D (__glXDefaultPixelStore+0)
+#define default_pixel_store_3D_size 36
+#define default_pixel_store_4D (__glXDefaultPixelStore+0)
+#define default_pixel_store_4D_size 36
+"""
+
+ for size in self.generic_sizes:
+ self.print_generic_function(size)
+ return
+
+
+ def printBody(self, api):
+
+ self.pixel_stubs = {}
+ generated_stubs = []
+
+ for func in api.functionIterateGlx():
+ if func.client_handcode: continue
+
+ # If the function is a pixel function with a certain
+ # GLX protocol signature, create a fake stub function
+ # for it. For example, create a single stub function
+ # that is used to implement both glTexImage1D and
+ # glTexImage2D.
+
+ if func.glx_rop != 0:
+ do_it = 0
+ for image in func.get_images():
+ if image.img_pad_dimensions:
+ do_it = 1
+ break
+
+
+ if do_it:
+ [h, n] = hash_pixel_function(func)
+
+
+ self.pixel_stubs[ func.name ] = n
+ if h not in generated_stubs:
+ generated_stubs.append(h)
+
+ fake_func = glx_pixel_function_stub( func, n )
+ self.printFunction(fake_func, fake_func.name)
+
+
+ self.printFunction(func, func.name)
+ if func.glx_sop and func.glx_vendorpriv:
+ self.printFunction(func, func.glx_vendorpriv_names[0])
+
+ return
+
+
+ def printFunction(self, func, name):
+ footer = '}\n'
+ if func.glx_rop == ~0:
+ print 'static %s' % (func.return_type)
+ print '%s( unsigned opcode, unsigned dim, %s )' % (func.name, func.get_parameter_string())
+ print '{'
+ else:
+ if func.has_different_protocol(name):
+ if func.return_type == "void":
+ ret_string = ''
+ else:
+ ret_string = "return "
+
+ func_name = func.static_glx_name(name)
+ print '#define %s %d' % (func.opcode_vendor_name(name), func.glx_vendorpriv)
+ print '%s gl%s(%s)' % (func.return_type, func_name, func.get_parameter_string())
+ print '{'
+ print ' struct glx_context * const gc = __glXGetCurrentContext();'
+ print ''
+ print '#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)'
+ print ' if (gc->isDirect) {'
+ print ' %sGET_DISPATCH()->%s(%s);' % (ret_string, func.name, func.get_called_parameter_string())
+ print ' } else'
+ print '#endif'
+ print ' {'
+
+ footer = '}\n}\n'
+ else:
+ print '#define %s %d' % (func.opcode_name(), func.opcode_value())
+
+ print '%s __indirect_gl%s(%s)' % (func.return_type, name, func.get_parameter_string())
+ print '{'
+
+
+ if func.glx_rop != 0 or func.vectorequiv != None:
+ if len(func.images):
+ self.printPixelFunction(func)
+ else:
+ self.printRenderFunction(func)
+ elif func.glx_sop != 0 or func.glx_vendorpriv != 0:
+ self.printSingleFunction(func, name)
+ pass
+ else:
+ print "/* Missing GLX protocol for %s. */" % (name)
+
+ print footer
+ return
+
+
+ def print_generic_function(self, n):
+ size = (n + 3) & ~3
+ print """static FASTCALL NOINLINE void
+generic_%u_byte( GLint rop, const void * ptr )
+{
+ struct glx_context * const gc = __glXGetCurrentContext();
+ const GLuint cmdlen = %u;
+
+ emit_header(gc->pc, rop, cmdlen);
+ (void) memcpy((void *)(gc->pc + 4), ptr, %u);
+ gc->pc += cmdlen;
+ if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }
+}
+""" % (n, size + 4, size)
+ 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 and 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())
+
+ elif output and not f.reply_always_array:
+ if not output.is_image():
+ 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)
+
+
+ print ' UnlockDisplay(dpy); SyncHandle();'
+
+ if name not in f.glx_vendorpriv_names:
+ print '#endif /* USE_XCB */'
+
+ print ' }'
+ print ' return%s;' % (return_name)
+ return
+
+
+ def printPixelFunction(self, f):
+ if self.pixel_stubs.has_key( f.name ):
+ # Normally gl_function::get_parameter_string could be
+ # used. However, this call needs to have the missing
+ # dimensions (e.g., a fake height value for
+ # glTexImage1D) added in.
+
+ p_string = ""
+ for param in f.parameterIterateGlxSend():
+ if param.is_padding:
+ continue
+
+ p_string += ", " + param.name
+
+ if param.is_image():
+ [dim, junk, junk, junk, junk] = param.get_dimensions()
+
+ if f.pad_after(param):
+ p_string += ", 1"
+
+ print ' %s(%s, %u%s );' % (self.pixel_stubs[f.name] , f.opcode_name(), dim, p_string)
+ return
+
+
+ if self.common_func_print_just_start(f, None):
+ trailer = " }"
+ else:
+ trailer = None
+
+
+ if f.can_be_large:
+ print 'if (cmdlen <= gc->maxSmallRenderCommandSize) {'
+ print ' if ( (gc->pc + cmdlen) > gc->bufEnd ) {'
+ print ' (void) __glXFlushRenderBuffer(gc, gc->pc);'
+ print ' }'
+
+ if f.glx_rop == ~0:
+ opcode = "opcode"
+ else:
+ opcode = f.opcode_real_name()
+
+ print 'emit_header(gc->pc, %s, cmdlen);' % (opcode)
+
+ self.pixel_emit_args( f, "gc->pc", 0 )
+ print 'gc->pc += cmdlen;'
+ print 'if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); }'
+
+ if f.can_be_large:
+ print '}'
+ print 'else {'
+
+ self.large_emit_begin(f, opcode)
+ self.pixel_emit_args(f, "pc", 1)
+
+ print '}'
+
+ if trailer: print trailer
+ return
+
+
+ def printRenderFunction(self, f):
+ # There is a class of GL functions that take a single pointer
+ # as a parameter. This pointer points to a fixed-size chunk
+ # of data, and the protocol for this functions is very
+ # regular. Since they are so regular and there are so many
+ # of them, special case them with generic functions. On
+ # x86, this saves about 26KB in the libGL.so binary.
+
+ if f.variable_length_parameter() == None and len(f.parameters) == 1:
+ p = f.parameters[0]
+ if p.is_pointer():
+ cmdlen = f.command_fixed_length()
+ if cmdlen in self.generic_sizes:
+ print ' generic_%u_byte( %s, %s );' % (cmdlen, f.opcode_real_name(), p.name)
+ return
+
+ if self.common_func_print_just_start(f, None):
+ trailer = " }"
+ else:
+ trailer = None
+
+ if self.debug:
+ print 'printf( "Enter %%s...\\n", "gl%s" );' % (f.name)
+
+ if f.can_be_large:
+ print 'if (cmdlen <= gc->maxSmallRenderCommandSize) {'
+ print ' if ( (gc->pc + cmdlen) > gc->bufEnd ) {'
+ print ' (void) __glXFlushRenderBuffer(gc, gc->pc);'
+ print ' }'
+
+ print 'emit_header(gc->pc, %s, cmdlen);' % (f.opcode_real_name())
+
+ self.common_emit_args(f, "gc->pc", 4, 0)
+ print 'gc->pc += cmdlen;'
+ print 'if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }'
+
+ if f.can_be_large:
+ print '}'
+ print 'else {'
+
+ self.large_emit_begin(f)
+ self.common_emit_args(f, "pc", 8, 1)
+
+ p = f.variable_length_parameter()
+ print ' __glXSendLargeCommand(gc, pc, %u, %s, %s);' % (p.offset + 8, p.name, p.size_string())
+ print '}'
+
+ if self.debug:
+ print '__indirect_glFinish();'
+ print 'printf( "Exit %%s.\\n", "gl%s" );' % (f.name)
+
+ if trailer: print trailer
+ return
+
+
+class PrintGlxProtoInit_c(gl_XML.gl_print_base):
+ def __init__(self):
+ gl_XML.gl_print_base.__init__(self)
+
+ self.name = "glX_proto_send.py (from Mesa)"
+ self.license = license.bsd_license_template % ( \
+"""Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+(C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
+ return
+
+
+ def printRealHeader(self):
+ print """/**
+ * \\file indirect_init.c
+ * Initialize indirect rendering dispatch table.
+ *
+ * \\author Kevin E. Martin <kevin@precisioninsight.com>
+ * \\author Brian Paul <brian@precisioninsight.com>
+ * \\author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include "indirect_init.h"
+#include "indirect.h"
+#include "glapi.h"
+
+
+/**
+ * No-op function used to initialize functions that have no GLX protocol
+ * support.
+ */
+static int NoOp(void)
+{
+ return 0;
+}
+
+/**
+ * Create and initialize a new GL dispatch table. The table is initialized
+ * with GLX indirect rendering protocol functions.
+ */
+struct _glapi_table * __glXNewIndirectAPI( void )
+{
+ struct _glapi_table *glAPI;
+ GLuint entries;
+
+ entries = _glapi_get_dispatch_table_size();
+ glAPI = (struct _glapi_table *) Xmalloc(entries * sizeof(void *));
+
+ /* first, set all entries to point to no-op functions */
+ {
+ int i;
+ void **dispatch = (void **) glAPI;
+ for (i = 0; i < entries; i++) {
+ dispatch[i] = (void *) NoOp;
+ }
+ }
+
+ /* now, initialize the entries we understand */"""
+
+ def printRealFooter(self):
+ print """
+ return glAPI;
+}
+"""
+ return
+
+
+ def printBody(self, api):
+ for [name, number] in api.categoryIterate():
+ if number != None:
+ preamble = '\n /* %3u. %s */\n\n' % (int(number), name)
+ else:
+ preamble = '\n /* %s */\n\n' % (name)
+
+ for func in api.functionIterateByCategory(name):
+ if func.client_supported_for_indirect():
+ print '%s glAPI->%s = __indirect_gl%s;' % (preamble, func.name, func.name)
+ preamble = ''
+
+ return
+
+
+class PrintGlxProtoInit_h(gl_XML.gl_print_base):
+ def __init__(self):
+ gl_XML.gl_print_base.__init__(self)
+
+ self.name = "glX_proto_send.py (from Mesa)"
+ self.license = license.bsd_license_template % ( \
+"""Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+(C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
+ self.header_tag = "_INDIRECT_H_"
+
+ self.last_category = ""
+ return
+
+
+ def printRealHeader(self):
+ print """/**
+ * \\file
+ * Prototypes for indirect rendering functions.
+ *
+ * \\author Kevin E. Martin <kevin@precisioninsight.com>
+ * \\author Ian Romanick <idr@us.ibm.com>
+ */
+"""
+ self.printVisibility( "HIDDEN", "hidden" )
+ self.printFastcall()
+ self.printNoinline()
+
+ print """
+#include "glxclient.h"
+
+extern HIDDEN NOINLINE CARD32 __glXReadReply( Display *dpy, size_t size,
+ void * dest, GLboolean reply_is_always_array );
+
+extern HIDDEN NOINLINE void __glXReadPixelReply( Display *dpy,
+ struct glx_context * gc, unsigned max_dim, GLint width, GLint height,
+ GLint depth, GLenum format, GLenum type, void * dest,
+ GLboolean dimensions_in_reply );
+
+extern HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupSingleRequest(
+ struct glx_context * gc, GLint sop, GLint cmdlen );
+
+extern HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupVendorRequest(
+ struct glx_context * gc, GLint code, GLint vop, GLint cmdlen );
+"""
+
+
+ def printBody(self, api):
+ for func in api.functionIterateGlx():
+ params = func.get_parameter_string()
+
+ print 'extern HIDDEN %s __indirect_gl%s(%s);' % (func.return_type, func.name, params)
+
+ for n in func.entry_points:
+ if func.has_different_protocol(n):
+ asdf = func.static_glx_name(n)
+ if asdf not in func.static_entry_points:
+ print 'extern HIDDEN %s gl%s(%s);' % (func.return_type, asdf, params)
+ # give it a easy-to-remember name
+ if func.client_handcode:
+ print '#define gl_dispatch_stub_%s gl%s' % (n, asdf)
+ else:
+ print 'GLAPI %s GLAPIENTRY gl%s(%s);' % (func.return_type, asdf, params)
+
+ break
+
+
+
+def show_usage():
+ print "Usage: %s [-f input_file_name] [-m output_mode] [-d]" % sys.argv[0]
+ print " -m output_mode Output mode can be one of 'proto', 'init_c' or 'init_h'."
+ print " -d Enable extra debug information in the generated code."
+ sys.exit(1)
+
+
+if __name__ == '__main__':
+ file_name = "gl_API.xml"
+
+ try:
+ (args, trail) = getopt.getopt(sys.argv[1:], "f:m:d")
+ except Exception,e:
+ show_usage()
+
+ debug = 0
+ mode = "proto"
+ for (arg,val) in args:
+ if arg == "-f":
+ file_name = val
+ elif arg == "-m":
+ mode = val
+ elif arg == "-d":
+ debug = 1
+
+ if mode == "proto":
+ printer = PrintGlxProtoStubs()
+ elif mode == "init_c":
+ printer = PrintGlxProtoInit_c()
+ elif mode == "init_h":
+ printer = PrintGlxProtoInit_h()
+ else:
+ show_usage()
+
+
+ printer.debug = debug
+ api = gl_XML.parse_GL_API( file_name, glX_XML.glx_item_factory() )
+
+ printer.Print( api )
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 16:59:22 +0000