1044 lines
30 KiB
Python
1044 lines
30 KiB
Python
#!/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>
|
|
|
|
import gl_XML, glX_XML, glX_proto_common, license
|
|
import sys, getopt, copy, string
|
|
|
|
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 <GL/glxproto.h>'
|
|
print '#ifdef USE_XCB'
|
|
print '#include <X11/xcl.h>'
|
|
print '#include <X11/XCB/xcb.h>'
|
|
print '#include <X11/XCB/glx.h>'
|
|
print '#endif /* USE_XCB */'
|
|
|
|
print ''
|
|
print '#define __GLX_PAD(n) (((n) + 3) & ~3)'
|
|
print ''
|
|
self.printFastcall()
|
|
self.printNoinline()
|
|
print ''
|
|
print '#if !defined __GNUC__ || __GNUC__ < 3'
|
|
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, __GLXcontext * 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( __GLXcontext * 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( __GLXcontext * 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 )
|
|
|
|
|
|
self.printFunction( func )
|
|
|
|
return
|
|
|
|
|
|
def printFunction(self, func):
|
|
if func.glx_rop == ~0:
|
|
print 'static %s' % (func.return_type)
|
|
print '%s( unsigned opcode, unsigned dim, %s )' % (func.name, func.get_parameter_string())
|
|
else:
|
|
print '#define %s %d' % (func.opcode_name(), func.opcode_value())
|
|
|
|
print '%s' % (func.return_type)
|
|
print '__indirect_gl%s(%s)' % (func.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)
|
|
pass
|
|
else:
|
|
print "/* Missing GLX protocol for %s. */" % (func.name)
|
|
|
|
print '}'
|
|
print ''
|
|
|
|
return
|
|
|
|
|
|
def print_generic_function(self, n):
|
|
size = (n + 3) & ~3
|
|
print """static FASTCALL NOINLINE void
|
|
generic_%u_byte( GLint rop, const void * ptr )
|
|
{
|
|
__GLXcontext * 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, indent, adjust, extra_offset):
|
|
if p.is_array():
|
|
src_ptr = p.name
|
|
else:
|
|
src_ptr = "&" + p.name
|
|
|
|
if not extra_offset:
|
|
print '%s (void) memcpy((void *)(%s + %u), (void *)(%s), %s);' \
|
|
% (indent, pc, p.offset + adjust, src_ptr, p.size_string() )
|
|
else:
|
|
print '%s (void) memcpy((void *)(%s + %u + %s), (void *)(%s), %s);' \
|
|
% (indent, pc, p.offset + adjust, extra_offset, src_ptr, p.size_string() )
|
|
|
|
def common_emit_args(self, f, pc, indent, 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, indent, 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, indent, 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, indent, adjust, None)
|
|
|
|
if f.pad_after(param):
|
|
print '%s (void) memcpy((void *)(%s + %u), zero, 4);' % (indent, 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.img_null_flag:
|
|
if large:
|
|
print '%s (void) memcpy((void *)(%s + %u), zero, 4);' % (indent, pc, (param.offset - 4) + adjust)
|
|
else:
|
|
print '%s (void) memcpy((void *)(%s + %u), (void *)((%s == NULL) ? one : zero), 4);' % (indent, 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 '%s if (%s) {' % (indent, condition)
|
|
print '%s (*gc->fillImage)(gc, %s, %s, %s, %s, %s, %s, %s, %s, %s);' % (indent, dim_str, width, height, depth, param.img_format, param.img_type, param.name, pcPtr, pixHeaderPtr)
|
|
print '%s }' % (indent)
|
|
print '%s else {' % (indent)
|
|
print '%s (void) memcpy( %s, default_pixel_store_%uD, default_pixel_store_%uD_size );' % (indent, pixHeaderPtr, dim, dim)
|
|
print '%s }' % (indent)
|
|
else:
|
|
print '%s __glXSendLargeImage(gc, compsize, %s, %s, %s, %s, %s, %s, %s, %s, %s);' % (indent, dim_str, width, height, depth, param.img_format, param.img_type, param.name, pcPtr, pixHeaderPtr)
|
|
|
|
return
|
|
|
|
|
|
def large_emit_begin(self, indent, f, op_name = None):
|
|
if not op_name:
|
|
op_name = f.opcode_real_name()
|
|
|
|
print '%s const GLint op = %s;' % (indent, op_name)
|
|
print '%s const GLuint cmdlenLarge = cmdlen + 4;' % (indent)
|
|
print '%s GLubyte * const pc = __glXFlushRenderBuffer(gc, gc->pc);' % (indent)
|
|
print '%s (void) memcpy((void *)(pc + 0), (void *)(&cmdlenLarge), 4);' % (indent)
|
|
print '%s (void) memcpy((void *)(pc + 4), (void *)(&op), 4);' % (indent)
|
|
return
|
|
|
|
|
|
def common_func_print_just_start(self, f):
|
|
print ' __GLXcontext * 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():
|
|
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)
|
|
|
|
|
|
self.emit_packet_size_calculation(f, 0)
|
|
|
|
condition_list = []
|
|
for p in f.parameterIterateCounters():
|
|
condition_list.append( "%s >= 0" % (p.name) )
|
|
|
|
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):
|
|
self.common_func_print_just_start(f)
|
|
|
|
if self.debug:
|
|
print ' printf( "Enter %%s...\\n", "gl%s" );' % (f.name)
|
|
|
|
if f.glx_vendorpriv == 0:
|
|
|
|
# XCB specific:
|
|
print '#ifdef USE_XCB'
|
|
if self.debug:
|
|
print ' printf("\\tUsing XCB.\\n");'
|
|
print ' XCBConnection *c = XCBConnectionOfDisplay(dpy);'
|
|
print ' (void) __glXFlushRenderBuffer(gc, gc->pc);'
|
|
xcb_name = 'XCBGlx%s' % f.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 == "XCBGlxReadPixels":
|
|
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 ' %sRep *reply = %sReply(c, %s, NULL);' % (xcb_name, xcb_name, xcb_request)
|
|
if output and f.reply_always_array:
|
|
print ' %s = (%s)%sData(reply);' % (output.name, output.type_string(), xcb_name)
|
|
elif output and not f.reply_always_array:
|
|
if not output.is_image():
|
|
print ' if (%sDataLength(reply) == 0)' % (xcb_name)
|
|
print ' (void)memcpy(%s, &reply->datum, sizeof(reply->datum));' % (output.name)
|
|
print ' else'
|
|
print ' (void)memcpy(%s, %sData(reply), %sDataLength(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 f.glx_vendorpriv != 0:
|
|
print ' %s __glXSetupVendorRequest(gc, %s, %s, cmdlen);' % (pc_decl, f.opcode_real_name(), f.opcode_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" );' % (f.name)
|
|
|
|
|
|
print ' UnlockDisplay(dpy); SyncHandle();'
|
|
|
|
if f.glx_vendorpriv == 0:
|
|
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():
|
|
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):
|
|
indent = " "
|
|
trailer = " }"
|
|
else:
|
|
indent = ""
|
|
trailer = None
|
|
|
|
|
|
if f.can_be_large:
|
|
print '%s if (cmdlen <= gc->maxSmallRenderCommandSize) {' % (indent)
|
|
print '%s if ( (gc->pc + cmdlen) > gc->bufEnd ) {' % (indent)
|
|
print '%s (void) __glXFlushRenderBuffer(gc, gc->pc);' % (indent)
|
|
print '%s }' % (indent)
|
|
indent += " "
|
|
|
|
if f.glx_rop == ~0:
|
|
opcode = "opcode"
|
|
else:
|
|
opcode = f.opcode_real_name()
|
|
|
|
print '%s emit_header(gc->pc, %s, cmdlen);' % (indent, opcode)
|
|
|
|
self.pixel_emit_args( f, "gc->pc", indent, 0 )
|
|
print '%s gc->pc += cmdlen;' % (indent)
|
|
print '%s if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); }' % (indent)
|
|
|
|
if f.can_be_large:
|
|
print '%s}' % (indent)
|
|
print '%selse {' % (indent)
|
|
|
|
self.large_emit_begin(indent, f, opcode)
|
|
self.pixel_emit_args( f, "pc", indent, 1 )
|
|
|
|
print '%s}' % (indent)
|
|
|
|
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):
|
|
indent = " "
|
|
trailer = " }"
|
|
else:
|
|
indent = ""
|
|
trailer = None
|
|
|
|
if self.debug:
|
|
print '%s printf( "Enter %%s...\\n", "gl%s" );' % (indent, f.name)
|
|
|
|
if f.can_be_large:
|
|
print '%s if (cmdlen <= gc->maxSmallRenderCommandSize) {' % (indent)
|
|
print '%s if ( (gc->pc + cmdlen) > gc->bufEnd ) {' % (indent)
|
|
print '%s (void) __glXFlushRenderBuffer(gc, gc->pc);' % (indent)
|
|
print '%s }' % (indent)
|
|
indent += " "
|
|
|
|
print '%s emit_header(gc->pc, %s, cmdlen);' % (indent, f.opcode_real_name())
|
|
|
|
self.common_emit_args(f, "gc->pc", indent, 4, 0)
|
|
print '%s gc->pc += cmdlen;' % (indent)
|
|
print '%s if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }' % (indent)
|
|
|
|
if f.can_be_large:
|
|
print '%s}' % (indent)
|
|
print '%selse {' % (indent)
|
|
|
|
self.large_emit_begin(indent, f)
|
|
self.common_emit_args(f, "pc", indent, 8, 1)
|
|
|
|
p = f.variable_length_parameter()
|
|
print '%s __glXSendLargeCommand(gc, pc, %u, %s, %s);' % (indent, p.offset + 8, p.name, p.size_string())
|
|
print '%s}' % (indent)
|
|
|
|
if self.debug:
|
|
print '%s __indirect_glFinish();' % (indent)
|
|
print '%s printf( "Exit %%s.\\n", "gl%s" );' % (indent, 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.
|
|
*/
|
|
__GLapi * __glXNewIndirectAPI( void )
|
|
{
|
|
__GLapi *glAPI;
|
|
GLuint entries;
|
|
|
|
entries = _glapi_get_dispatch_table_size();
|
|
glAPI = (__GLapi *) 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 printCategory(self, category_group, show_num):
|
|
cat_keys = category_group.keys()
|
|
cat_keys.sort()
|
|
for cat_num in cat_keys:
|
|
first = 1
|
|
for offset in category_group[ cat_num ]:
|
|
[cat_name, func_name] = category_group[ cat_num ][ offset ]
|
|
|
|
if first:
|
|
print ''
|
|
if show_num:
|
|
print ' /* % 3u. %s */' % (cat_num, cat_name)
|
|
else:
|
|
print ' /* %s */' % (cat_name)
|
|
print ''
|
|
first = 0
|
|
|
|
print ' glAPI->%s = __indirect_gl%s;' % (func_name, func_name)
|
|
|
|
|
|
def printBody(self, api):
|
|
core_categories = {}
|
|
arb_categories = {}
|
|
other_categories = {}
|
|
next_unnum = 1000
|
|
|
|
for func in api.functionIterateGlx():
|
|
[cat, num] = api.get_category_for_name( func.name )
|
|
|
|
# There are three groups of "categories" that we
|
|
# care about here. We want to separate the core GL
|
|
# version categories from extensions. We also want to
|
|
# separate the ARB extensions from the non-ARB
|
|
# extensions.
|
|
#
|
|
# This is done by first trying to convert the category
|
|
# name to a floating point number. All core GL
|
|
# versions are of the form "N.M" where both N and M
|
|
# are integers. If the cast to float fails, an
|
|
# exception will be thrown. Once down that path,
|
|
# we can look at the start of the extension string.
|
|
# If it begins with "GL_ARB_", it's an ARB extension.
|
|
#
|
|
# Once the categories are separated, the are ordered
|
|
# by number. The un-numbered non-ARB extensions
|
|
# (e.g., GL_INGR_blend_func_separate) are assigned
|
|
# arbitrary numbers starting at 1000.
|
|
#
|
|
# FIXME In order to maintain repeatability, the
|
|
# FIXME unnumbered extensions should be put in their
|
|
# FIXME own dictionary and ordered by name (since they
|
|
# FIXME have no number).
|
|
|
|
try:
|
|
num = float(cat)
|
|
if not core_categories.has_key( num ):
|
|
core_categories[ num ] = {}
|
|
|
|
core_categories[ num ][ func.offset ] = [cat, func.name]
|
|
|
|
except Exception, e:
|
|
if not num:
|
|
num = next_unnum
|
|
next_unnum += 1
|
|
else:
|
|
num = int(num)
|
|
|
|
if cat.startswith( "GL_ARB_" ):
|
|
if not arb_categories.has_key( num ):
|
|
arb_categories[ num ] = {}
|
|
|
|
arb_categories[ num ][ func.offset ] = [cat, func.name]
|
|
else:
|
|
if not other_categories.has_key( num ):
|
|
other_categories[ num ] = {}
|
|
|
|
other_categories[ num ][ func.offset ] = [cat, func.name]
|
|
|
|
self.printCategory( core_categories, 0 )
|
|
self.printCategory( arb_categories, 1 )
|
|
self.printCategory( other_categories, 1 )
|
|
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,
|
|
__GLXcontext * 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(
|
|
__GLXcontext * gc, GLint sop, GLint cmdlen );
|
|
|
|
extern HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupVendorRequest(
|
|
__GLXcontext * gc, GLint code, GLint vop, GLint cmdlen );
|
|
"""
|
|
|
|
|
|
def printBody(self, api):
|
|
for func in api.functionIterateGlx():
|
|
print 'extern HIDDEN %s __indirect_gl%s(%s);' % (func.return_type, func.name, func.get_parameter_string())
|
|
|
|
|
|
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 )
|