diff options
Diffstat (limited to 'src/mesa/glapi/glX_proto_send.py')
| -rw-r--r-- | src/mesa/glapi/glX_proto_send.py | 1044 |
1 files changed, 0 insertions, 1044 deletions
diff --git a/src/mesa/glapi/glX_proto_send.py b/src/mesa/glapi/glX_proto_send.py deleted file mode 100644 index 3fa665dbcec..00000000000 --- a/src/mesa/glapi/glX_proto_send.py +++ /dev/null @@ -1,1044 +0,0 @@ -#!/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 ) |