| #!/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]) |
| |
| self.printGetProcAddress(api) |
| return |
| |
| def printGetProcAddress(self, api): |
| procs = {} |
| for func in api.functionIterateGlx(): |
| for n in func.entry_points: |
| if func.has_different_protocol(n): |
| procs[n] = func.static_glx_name(n) |
| |
| print """ |
| #ifdef GLX_SHARED_GLAPI |
| |
| static const struct proc_pair |
| { |
| const char *name; |
| _glapi_proc proc; |
| } proc_pairs[%d] = {""" % len(procs) |
| names = procs.keys() |
| names.sort() |
| for i in xrange(len(names)): |
| comma = ',' if i < len(names) - 1 else '' |
| print ' { "%s", (_glapi_proc) gl%s }%s' % (names[i], procs[names[i]], comma) |
| print """}; |
| |
| static int |
| __indirect_get_proc_compare(const void *key, const void *memb) |
| { |
| const struct proc_pair *pair = (const struct proc_pair *) memb; |
| return strcmp((const char *) key, pair->name); |
| } |
| |
| _glapi_proc |
| __indirect_get_proc_address(const char *name) |
| { |
| const struct proc_pair *pair; |
| |
| /* skip "gl" */ |
| name += 2; |
| |
| pair = (const struct proc_pair *) bsearch((const void *) name, |
| (const void *) proc_pairs, ARRAY_SIZE(proc_pairs), sizeof(proc_pairs[0]), |
| __indirect_get_proc_compare); |
| |
| return (pair) ? pair->proc : NULL; |
| } |
| |
| #endif /* GLX_SHARED_GLAPI */ |
| """ |
| 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 ' const _glapi_proc *const disp_table = GET_DISPATCH();' |
| print ' PFNGL%sPROC p =' % (name.upper()) |
| print ' (PFNGL%sPROC) disp_table[%d];' % (name.upper(), func.offset) |
| print ' %sp(%s);' % (ret_string, 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: |
| if output.is_image(): |
| [dim, w, h, d, junk] = output.get_dimensions() |
| if f.dimensions_in_reply: |
| w = "reply->width" |
| h = "reply->height" |
| d = "reply->depth" |
| if dim < 2: |
| h = "1" |
| else: |
| print ' if (%s == 0) { %s = 1; }' % (h, h) |
| if dim < 3: |
| d = "1" |
| else: |
| print ' if (%s == 0) { %s = 1; }' % (d, d) |
| |
| print ' __glEmptyImage(gc, 3, %s, %s, %s, %s, %s, %s_data(reply), %s);' % (w, h, d, output.img_format, output.img_type, xcb_name, output.name) |
| else: |
| if f.reply_always_array: |
| print ' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output.name, xcb_name, xcb_name, output.get_base_type_string()) |
| else: |
| print ' if (%s_data_length(reply) == 0)' % (xcb_name) |
| print ' (void)memcpy(%s, &reply->datum, sizeof(reply->datum));' % (output.name) |
| print ' else' |
| print ' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output.name, xcb_name, xcb_name, output.get_base_type_string()) |
| |
| if f.return_type != 'void': |
| print ' retval = reply->ret_val;' |
| print ' free(reply);' |
| else: |
| print ' ' + xcb_request + ';' |
| print '#else' |
| # End of XCB specific. |
| |
| |
| if f.parameters != []: |
| pc_decl = "GLubyte const * pc =" |
| else: |
| pc_decl = "(void)" |
| |
| if name in f.glx_vendorpriv_names: |
| print ' %s __glXSetupVendorRequest(gc, %s, %s, cmdlen);' % (pc_decl, f.opcode_real_name(), f.opcode_vendor_name(name)) |
| else: |
| print ' %s __glXSetupSingleRequest(gc, %s, cmdlen);' % (pc_decl, f.opcode_name()) |
| |
| self.common_emit_args(f, "pc", 0, 0) |
| |
| images = f.get_images() |
| |
| for img in images: |
| if img.is_output: |
| o = f.command_fixed_length() - 4 |
| print ' *(int32_t *)(pc + %u) = 0;' % (o) |
| if img.img_format != "GL_COLOR_INDEX" or img.img_type != "GL_BITMAP": |
| print ' * (int8_t *)(pc + %u) = state->storePack.swapEndian;' % (o) |
| |
| if f.img_reset: |
| print ' * (int8_t *)(pc + %u) = %s;' % (o + 1, f.img_reset) |
| |
| |
| return_name = '' |
| if f.needs_reply(): |
| if f.return_type != 'void': |
| return_name = " retval" |
| return_str = " retval = (%s)" % (f.return_type) |
| else: |
| return_str = " (void)" |
| |
| got_reply = 0 |
| |
| for p in f.parameterIterateOutputs(): |
| if p.is_image(): |
| [dim, w, h, d, junk] = p.get_dimensions() |
| if f.dimensions_in_reply: |
| print " __glXReadPixelReply(dpy, gc, %u, 0, 0, 0, %s, %s, %s, GL_TRUE);" % (dim, p.img_format, p.img_type, p.name) |
| else: |
| print " __glXReadPixelReply(dpy, gc, %u, %s, %s, %s, %s, %s, %s, GL_FALSE);" % (dim, w, h, d, p.img_format, p.img_type, p.name) |
| |
| got_reply = 1 |
| else: |
| if f.reply_always_array: |
| aa = "GL_TRUE" |
| else: |
| aa = "GL_FALSE" |
| |
| # gl_parameter.size() returns the size |
| # of the entire data item. If the |
| # item is a fixed-size array, this is |
| # the size of the whole array. This |
| # is not what __glXReadReply wants. It |
| # wants the size of a single data |
| # element in the reply packet. |
| # Dividing by the array size (1 for |
| # non-arrays) gives us this. |
| |
| s = p.size() / p.get_element_count() |
| print " %s __glXReadReply(dpy, %s, %s, %s);" % (return_str, s, p.name, aa) |
| got_reply = 1 |
| |
| |
| # If a reply wasn't read to fill an output parameter, |
| # read a NULL reply to get the return value. |
| |
| if not got_reply: |
| print " %s __glXReadReply(dpy, 0, NULL, GL_FALSE);" % (return_str) |
| |
| |
| elif self.debug: |
| # Only emit the extra glFinish call for functions |
| # that don't already require a reply from the server. |
| print ' __indirect_glFinish();' |
| |
| if self.debug: |
| print ' printf( "Exit %%s.\\n", "gl%s" );' % (name) |
| |
| |
| 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" |
| #include <assert.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 ) |
| { |
| _glapi_proc *table; |
| unsigned entries; |
| unsigned i; |
| int o; |
| |
| entries = _glapi_get_dispatch_table_size(); |
| table = (_glapi_proc *) Xmalloc(entries * sizeof(_glapi_proc)); |
| |
| /* first, set all entries to point to no-op functions */ |
| for (i = 0; i < entries; i++) { |
| table[i] = (_glapi_proc) NoOp; |
| } |
| |
| /* now, initialize the entries we understand */""" |
| |
| def printRealFooter(self): |
| print """ |
| return (struct _glapi_table *) table; |
| } |
| """ |
| return |
| |
| |
| def printBody(self, api): |
| for [name, number] in api.categoryIterate(): |
| if number != None: |
| preamble = '\n /* %3u. %s */\n' % (int(number), name) |
| else: |
| preamble = '\n /* %s */\n' % (name) |
| |
| for func in api.functionIterateByCategory(name): |
| if func.client_supported_for_indirect(): |
| if preamble: |
| print preamble |
| preamble = None |
| |
| if func.is_abi(): |
| print ' table[{offset}] = (_glapi_proc) __indirect_gl{name};'.format(name = func.name, offset = func.offset) |
| else: |
| print ' o = _glapi_get_proc_offset("gl{0}");'.format(func.name) |
| print ' assert(o > 0);' |
| print ' table[o] = (_glapi_proc) __indirect_gl{0};'.format(func.name) |
| |
| 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.printFastcall() |
| self.printNoinline() |
| |
| print """ |
| #include <X11/Xfuncproto.h> |
| #include "glxclient.h" |
| |
| extern _X_HIDDEN NOINLINE CARD32 __glXReadReply( Display *dpy, size_t size, |
| void * dest, GLboolean reply_is_always_array ); |
| |
| extern _X_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 _X_HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupSingleRequest( |
| struct glx_context * gc, GLint sop, GLint cmdlen ); |
| |
| extern _X_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 _X_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 _X_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 |
| |
| print '' |
| print '#ifdef GLX_SHARED_GLAPI' |
| print 'extern _X_HIDDEN void (*__indirect_get_proc_address(const char *name))(void);' |
| print '#endif' |
| |
| |
| 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 ) |