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-rw-r--r--src/mesa/glapi/glX_proto_send.py1044
1 files changed, 1044 insertions, 0 deletions
diff --git a/src/mesa/glapi/glX_proto_send.py b/src/mesa/glapi/glX_proto_send.py
new file mode 100644
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--- /dev/null
+++ b/src/mesa/glapi/glX_proto_send.py
@@ -0,0 +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>
+
+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 ' (void)memcpy(%s, %sData(reply), %sDataLength(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 (%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 )