0,0 → 1,554 |
#!/usr/bin/env python |
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# (C) Copyright IBM Corporation 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, string |
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class PrintGlxDispatch_h(gl_XML.gl_print_base): |
def __init__(self): |
gl_XML.gl_print_base.__init__(self) |
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self.name = "glX_proto_recv.py (from Mesa)" |
self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2005", "IBM") |
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self.header_tag = "_INDIRECT_DISPATCH_H_" |
return |
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def printRealHeader(self): |
print '# include <X11/Xfuncproto.h>' |
print '' |
print 'struct __GLXclientStateRec;' |
print '' |
return |
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def printBody(self, api): |
for func in api.functionIterateAll(): |
if not func.ignore and not func.vectorequiv: |
if func.glx_rop: |
print 'extern _X_HIDDEN void __glXDisp_%s(GLbyte * pc);' % (func.name) |
print 'extern _X_HIDDEN void __glXDispSwap_%s(GLbyte * pc);' % (func.name) |
elif func.glx_sop or func.glx_vendorpriv: |
print 'extern _X_HIDDEN int __glXDisp_%s(struct __GLXclientStateRec *, GLbyte *);' % (func.name) |
print 'extern _X_HIDDEN int __glXDispSwap_%s(struct __GLXclientStateRec *, GLbyte *);' % (func.name) |
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if func.glx_sop and func.glx_vendorpriv: |
n = func.glx_vendorpriv_names[0] |
print 'extern _X_HIDDEN int __glXDisp_%s(struct __GLXclientStateRec *, GLbyte *);' % (n) |
print 'extern _X_HIDDEN int __glXDispSwap_%s(struct __GLXclientStateRec *, GLbyte *);' % (n) |
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return |
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class PrintGlxDispatchFunctions(glX_proto_common.glx_print_proto): |
def __init__(self, do_swap): |
gl_XML.gl_print_base.__init__(self) |
self.name = "glX_proto_recv.py (from Mesa)" |
self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2005", "IBM") |
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self.real_types = [ '', '', 'uint16_t', '', 'uint32_t', '', '', '', 'uint64_t' ] |
self.do_swap = do_swap |
return |
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def printRealHeader(self): |
print '#include <X11/Xmd.h>' |
print '#include <GL/gl.h>' |
print '#include <GL/glxproto.h>' |
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print '#include <inttypes.h>' |
print '#include "indirect_size.h"' |
print '#include "indirect_size_get.h"' |
print '#include "indirect_dispatch.h"' |
print '#include "glxserver.h"' |
print '#include "glxbyteorder.h"' |
print '#include "indirect_util.h"' |
print '#include "singlesize.h"' |
print '#include "glapi.h"' |
print '#include "glapitable.h"' |
print '#include "dispatch.h"' |
print '' |
print '#define __GLX_PAD(x) (((x) + 3) & ~3)' |
print '' |
print 'typedef struct {' |
print ' __GLX_PIXEL_3D_HDR;' |
print '} __GLXpixel3DHeader;' |
print '' |
print 'extern GLboolean __glXErrorOccured( void );' |
print 'extern void __glXClearErrorOccured( void );' |
print '' |
print 'static const unsigned dummy_answer[2] = {0, 0};' |
print '' |
return |
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def printBody(self, api): |
if self.do_swap: |
self.emit_swap_wrappers(api) |
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for func in api.functionIterateByOffset(): |
if not func.ignore and not func.server_handcode and not func.vectorequiv and (func.glx_rop or func.glx_sop or func.glx_vendorpriv): |
self.printFunction(func, func.name) |
if func.glx_sop and func.glx_vendorpriv: |
self.printFunction(func, func.glx_vendorpriv_names[0]) |
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return |
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def printFunction(self, f, name): |
if (f.glx_sop or f.glx_vendorpriv) and (len(f.get_images()) != 0): |
return |
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if not self.do_swap: |
base = '__glXDisp' |
else: |
base = '__glXDispSwap' |
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if f.glx_rop: |
print 'void %s_%s(GLbyte * pc)' % (base, name) |
else: |
print 'int %s_%s(__GLXclientState *cl, GLbyte *pc)' % (base, name) |
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print '{' |
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if f.glx_rop or f.vectorequiv: |
self.printRenderFunction(f) |
elif f.glx_sop or f.glx_vendorpriv: |
if len(f.get_images()) == 0: |
self.printSingleFunction(f, name) |
else: |
print "/* Missing GLX protocol for %s. */" % (name) |
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print '}' |
print '' |
return |
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def swap_name(self, bytes): |
return 'bswap_%u_array' % (8 * bytes) |
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def emit_swap_wrappers(self, api): |
self.type_map = {} |
already_done = [ ] |
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for t in api.typeIterate(): |
te = t.get_type_expression() |
t_size = te.get_element_size() |
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if t_size > 1 and t.glx_name: |
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t_name = "GL" + t.name |
self.type_map[ t_name ] = t.glx_name |
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if t.glx_name not in already_done: |
real_name = self.real_types[t_size] |
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print 'static %s' % (t_name) |
print 'bswap_%s( const void * src )' % (t.glx_name) |
print '{' |
print ' union { %s dst; %s ret; } x;' % (real_name, t_name) |
print ' x.dst = bswap_%u( *(%s *) src );' % (t_size * 8, real_name) |
print ' return x.ret;' |
print '}' |
print '' |
already_done.append( t.glx_name ) |
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for bits in [16, 32, 64]: |
print 'static void *' |
print 'bswap_%u_array( uint%u_t * src, unsigned count )' % (bits, bits) |
print '{' |
print ' unsigned i;' |
print '' |
print ' for ( i = 0 ; i < count ; i++ ) {' |
print ' uint%u_t temp = bswap_%u( src[i] );' % (bits, bits) |
print ' src[i] = temp;' |
print ' }' |
print '' |
print ' return src;' |
print '}' |
print '' |
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def fetch_param(self, param): |
t = param.type_string() |
o = param.offset |
element_size = param.size() / param.get_element_count() |
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if self.do_swap and (element_size != 1): |
if param.is_array(): |
real_name = self.real_types[ element_size ] |
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swap_func = self.swap_name( element_size ) |
return ' (%-8s)%s( (%s *) (pc + %2s), %s )' % (t, swap_func, real_name, o, param.count) |
else: |
t_name = param.get_base_type_string() |
return ' (%-8s)bswap_%-7s( pc + %2s )' % (t, self.type_map[ t_name ], o) |
else: |
if param.is_array(): |
return ' (%-8s)(pc + %2u)' % (t, o) |
else: |
return '*(%-8s *)(pc + %2u)' % (t, o) |
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return None |
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def emit_function_call(self, f, retval_assign, indent): |
list = [] |
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for param in f.parameterIterator(): |
if param.is_padding: |
continue |
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if param.is_counter or param.is_image() or param.is_output or param.name in f.count_parameter_list or len(param.count_parameter_list): |
location = param.name |
else: |
location = self.fetch_param(param) |
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list.append( '%s %s' % (indent, location) ) |
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if len( list ): |
print '%s %sCALL_%s( GET_DISPATCH(), (' % (indent, retval_assign, f.name) |
print string.join( list, ",\n" ) |
print '%s ) );' % (indent) |
else: |
print '%s %sCALL_%s( GET_DISPATCH(), () );' % (indent, retval_assign, f.name) |
return |
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def common_func_print_just_start(self, f, indent): |
align64 = 0 |
need_blank = 0 |
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f.calculate_offsets() |
for param in f.parameterIterateGlxSend(): |
# If any parameter has a 64-bit base type, then we |
# have to do alignment magic for the while thing. |
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if param.is_64_bit(): |
align64 = 1 |
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# FIXME img_null_flag is over-loaded. In addition to |
# FIXME being used for images, it is used to signify |
# FIXME NULL data pointers for vertex buffer object |
# FIXME related functions. Re-name it to null_data |
# FIXME or something similar. |
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if param.img_null_flag: |
print '%s const CARD32 ptr_is_null = *(CARD32 *)(pc + %s);' % (indent, param.offset - 4) |
cond = '(ptr_is_null != 0) ? NULL : ' |
else: |
cond = "" |
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type_string = param.type_string() |
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if param.is_image(): |
offset = f.offset_of( param.name ) |
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print '%s %s const %s = (%s) (%s(pc + %s));' % (indent, type_string, param.name, type_string, cond, offset) |
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if param.depth: |
print '%s __GLXpixel3DHeader * const hdr = (__GLXpixel3DHeader *)(pc);' % (indent) |
else: |
print '%s __GLXpixelHeader * const hdr = (__GLXpixelHeader *)(pc);' % (indent) |
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need_blank = 1 |
elif param.is_counter or param.name in f.count_parameter_list: |
location = self.fetch_param(param) |
print '%s const %s %s = %s;' % (indent, type_string, param.name, location) |
need_blank = 1 |
elif len(param.count_parameter_list): |
if param.size() == 1 and not self.do_swap: |
location = self.fetch_param(param) |
print '%s %s %s = %s%s;' % (indent, type_string, param.name, cond, location) |
else: |
print '%s %s %s;' % (indent, type_string, param.name) |
need_blank = 1 |
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if need_blank: |
print '' |
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if align64: |
print '#ifdef __GLX_ALIGN64' |
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if f.has_variable_size_request(): |
self.emit_packet_size_calculation(f, 4) |
s = "cmdlen" |
else: |
s = str((f.command_fixed_length() + 3) & ~3) |
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print ' if ((unsigned long)(pc) & 7) {' |
print ' (void) memmove(pc-4, pc, %s);' % (s) |
print ' pc -= 4;' |
print ' }' |
print '#endif' |
print '' |
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need_blank = 0 |
if self.do_swap: |
for param in f.parameterIterateGlxSend(): |
if param.count_parameter_list: |
o = param.offset |
count = param.get_element_count() |
type_size = param.size() / count |
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if param.counter: |
count_name = param.counter |
else: |
count_name = str(count) |
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# This is basically an ugly special- |
# case for glCallLists. |
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if type_size == 1: |
x = [] |
x.append( [1, ['BYTE', 'UNSIGNED_BYTE', '2_BYTES', '3_BYTES', '4_BYTES']] ) |
x.append( [2, ['SHORT', 'UNSIGNED_SHORT']] ) |
x.append( [4, ['INT', 'UNSIGNED_INT', 'FLOAT']] ) |
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print ' switch(%s) {' % (param.count_parameter_list[0]) |
for sub in x: |
for t_name in sub[1]: |
print ' case GL_%s:' % (t_name) |
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if sub[0] == 1: |
print ' %s = (%s) (pc + %s); break;' % (param.name, param.type_string(), o) |
else: |
swap_func = self.swap_name(sub[0]) |
print ' %s = (%s) %s( (%s *) (pc + %s), %s ); break;' % (param.name, param.type_string(), swap_func, self.real_types[sub[0]], o, count_name) |
print ' default:' |
print ' return;' |
print ' }' |
else: |
swap_func = self.swap_name(type_size) |
compsize = self.size_call(f, 1) |
print ' %s = (%s) %s( (%s *) (pc + %s), %s );' % (param.name, param.type_string(), swap_func, self.real_types[type_size], o, compsize) |
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need_blank = 1 |
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else: |
for param in f.parameterIterateGlxSend(): |
if param.count_parameter_list: |
print '%s %s = (%s) (pc + %s);' % (indent, param.name, param.type_string(), param.offset) |
need_blank = 1 |
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if need_blank: |
print '' |
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return |
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def printSingleFunction(self, f, name): |
if name not in f.glx_vendorpriv_names: |
print ' xGLXSingleReq * const req = (xGLXSingleReq *) pc;' |
else: |
print ' xGLXVendorPrivateReq * const req = (xGLXVendorPrivateReq *) pc;' |
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print ' int error;' |
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if self.do_swap: |
print ' __GLXcontext * const cx = __glXForceCurrent(cl, bswap_CARD32( &req->contextTag ), &error);' |
else: |
print ' __GLXcontext * const cx = __glXForceCurrent(cl, req->contextTag, &error);' |
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print '' |
if name not in f.glx_vendorpriv_names: |
print ' pc += __GLX_SINGLE_HDR_SIZE;' |
else: |
print ' pc += __GLX_VENDPRIV_HDR_SIZE;' |
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print ' if ( cx != NULL ) {' |
self.common_func_print_just_start(f, " ") |
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if f.return_type != 'void': |
print ' %s retval;' % (f.return_type) |
retval_string = "retval" |
retval_assign = "retval = " |
else: |
retval_string = "0" |
retval_assign = "" |
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type_size = 0 |
answer_string = "dummy_answer" |
answer_count = "0" |
is_array_string = "GL_FALSE" |
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for param in f.parameterIterateOutputs(): |
answer_type = param.get_base_type_string() |
if answer_type == "GLvoid": |
answer_type = "GLubyte" |
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c = param.get_element_count() |
type_size = (param.size() / c) |
if type_size == 1: |
size_scale = "" |
else: |
size_scale = " * %u" % (type_size) |
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if param.count_parameter_list: |
print ' const GLuint compsize = %s;' % (self.size_call(f, 1)) |
print ' %s answerBuffer[200];' % (answer_type) |
print ' %s %s = __glXGetAnswerBuffer(cl, compsize%s, answerBuffer, sizeof(answerBuffer), %u);' % (param.type_string(), param.name, size_scale, type_size ) |
answer_string = param.name |
answer_count = "compsize" |
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print '' |
print ' if (%s == NULL) return BadAlloc;' % (param.name) |
print ' __glXClearErrorOccured();' |
print '' |
elif param.counter: |
print ' %s answerBuffer[200];' % (answer_type) |
print ' %s %s = __glXGetAnswerBuffer(cl, %s%s, answerBuffer, sizeof(answerBuffer), %u);' % (param.type_string(), param.name, param.counter, size_scale, type_size) |
answer_string = param.name |
answer_count = param.counter |
elif c >= 1: |
print ' %s %s[%u];' % (answer_type, param.name, c) |
answer_string = param.name |
answer_count = "%u" % (c) |
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if f.reply_always_array: |
is_array_string = "GL_TRUE" |
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self.emit_function_call(f, retval_assign, " ") |
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if f.needs_reply(): |
if self.do_swap: |
for param in f.parameterIterateOutputs(): |
c = param.get_element_count() |
type_size = (param.size() / c) |
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if type_size > 1: |
swap_name = self.swap_name( type_size ) |
print ' (void) %s( (uint%u_t *) %s, %s );' % (swap_name, 8 * type_size, param.name, answer_count) |
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reply_func = '__glXSendReplySwap' |
else: |
reply_func = '__glXSendReply' |
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print ' %s(cl->client, %s, %s, %u, %s, %s);' % (reply_func, answer_string, answer_count, type_size, is_array_string, retval_string) |
#elif f.note_unflushed: |
# print ' cx->hasUnflushedCommands = GL_TRUE;' |
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print ' error = Success;' |
print ' }' |
print '' |
print ' return error;' |
return |
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def printRenderFunction(self, f): |
# There are 4 distinct phases in a rendering dispatch function. |
# In the first phase we compute the sizes and offsets of each |
# element in the command. In the second phase we (optionally) |
# re-align 64-bit data elements. In the third phase we |
# (optionally) byte-swap array data. Finally, in the fourth |
# phase we actually dispatch the function. |
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self.common_func_print_just_start(f, "") |
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images = f.get_images() |
if len(images): |
if self.do_swap: |
pre = "bswap_CARD32( & " |
post = " )" |
else: |
pre = "" |
post = "" |
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img = images[0] |
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# swapBytes and lsbFirst are single byte fields, so |
# the must NEVER be byte-swapped. |
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if not (img.img_type == "GL_BITMAP" and img.img_format == "GL_COLOR_INDEX"): |
print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, hdr->swapBytes) );' |
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print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, hdr->lsbFirst) );' |
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print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, (GLint) %shdr->rowLength%s) );' % (pre, post) |
if img.depth: |
print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_IMAGE_HEIGHT, (GLint) %shdr->imageHeight%s) );' % (pre, post) |
print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, (GLint) %shdr->skipRows%s) );' % (pre, post) |
if img.depth: |
print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_IMAGES, (GLint) %shdr->skipImages%s) );' % (pre, post) |
print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, (GLint) %shdr->skipPixels%s) );' % (pre, post) |
print ' CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, (GLint) %shdr->alignment%s) );' % (pre, post) |
print '' |
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self.emit_function_call(f, "", "") |
return |
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if __name__ == '__main__': |
file_name = "gl_API.xml" |
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try: |
(args, trail) = getopt.getopt(sys.argv[1:], "f:m:s") |
except Exception,e: |
show_usage() |
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mode = "dispatch_c" |
do_swap = 0 |
for (arg,val) in args: |
if arg == "-f": |
file_name = val |
elif arg == "-m": |
mode = val |
elif arg == "-s": |
do_swap = 1 |
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if mode == "dispatch_c": |
printer = PrintGlxDispatchFunctions(do_swap) |
elif mode == "dispatch_h": |
printer = PrintGlxDispatch_h() |
else: |
show_usage() |
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api = gl_XML.parse_GL_API( file_name, glX_proto_common.glx_proto_item_factory() ) |
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printer.Print( api ) |