X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fglapi%2FglX_proto_send.py;h=53a979591822893b05eaf32acff1028d89d04c85;hb=711555d1e347f0e64e6b1b2d0e402e0ee72ace07;hp=2b688ace156ed0841b4a116e0b39f3c2cdf6fe86;hpb=74764061facb8f518c3ac7ebdb844bcd27a36ee0;p=mesa.git diff --git a/src/mesa/glapi/glX_proto_send.py b/src/mesa/glapi/glX_proto_send.py index 2b688ace156..53a97959182 100644 --- a/src/mesa/glapi/glX_proto_send.py +++ b/src/mesa/glapi/glX_proto_send.py @@ -1,6 +1,6 @@ -#!/usr/bin/python2 +#!/usr/bin/env python -# (C) Copyright IBM Corporation 2004 +# (C) Copyright IBM Corporation 2004, 2005 # All Rights Reserved. # # Permission is hereby granted, free of charge, to any person obtaining a @@ -25,22 +25,123 @@ # Authors: # Ian Romanick -from xml.sax import saxutils -from xml.sax import make_parser -from xml.sax.handler import feature_namespaces +import gl_XML, glX_XML, glX_proto_common, license +import sys, getopt, copy, string -import gl_XML -import glX_XML -import license -import sys, getopt +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.""" -class PrintGlxProtoStubs(glX_XML.GlxProto): + 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_XML.GlxProto.__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.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004", "IBM") self.generic_sizes = [3, 4, 6, 8, 12, 16, 24, 32] + self.pixel_stubs = {} + self.debug = 0 return def printRealHeader(self): @@ -48,13 +149,23 @@ class PrintGlxProtoStubs(glX_XML.GlxProto): print '#include ' print '#include "indirect.h"' print '#include "glxclient.h"' - print '#include "size.h"' + print '#include "indirect_size.h"' print '#include ' + print '#ifdef USE_XCB' + print '#include ' + print '#include ' + print '#include ' + print '#endif /* USE_XCB */' + print '' print '#define __GLX_PAD(n) (((n) + 3) & ~3)' print '' - glX_XML.printFastcall() - glX_XML.printNoinline() + 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.' @@ -64,35 +175,77 @@ class PrintGlxProtoStubs(glX_XML.GlxProto): print ' temp.s[0] = (size); temp.s[1] = (op); \\' print ' *((int *)(dest)) = temp.i; } while(0)' print '' - print """static NOINLINE CARD32 -read_reply( Display *dpy, size_t size, void * dest, GLboolean reply_is_always_array ) + 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.size >= 1) || 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 != 0 ) { - _XEatData(dpy, extra); - } - } - else { - (void) memcpy( dest, &(reply.pad3), size); - } + 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 -static NOINLINE GLubyte * -setup_single_request( __GLXcontext * gc, GLint sop, GLint cmdlen ) +NOINLINE FASTCALL GLubyte * +__glXSetupSingleRequest( __GLXcontext * gc, GLint sop, GLint cmdlen ) { xGLXSingleReq * req; Display * const dpy = gc->currentDpy; @@ -106,8 +259,8 @@ setup_single_request( __GLXcontext * gc, GLint sop, GLint cmdlen ) return (GLubyte *)(req) + sz_xGLXSingleReq; } -static NOINLINE GLubyte * -setup_vendor_request( __GLXcontext * gc, GLint code, GLint vop, GLint cmdlen ) +NOINLINE FASTCALL GLubyte * +__glXSetupVendorRequest( __GLXcontext * gc, GLint code, GLint vop, GLint cmdlen ) { xGLXVendorPrivateReq * req; Display * const dpy = gc->currentDpy; @@ -121,23 +274,98 @@ setup_vendor_request( __GLXcontext * gc, GLint code, GLint vop, GLint cmdlen ) 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 printFunction(self, f): - if f.fn_offset < 0 or f.handcode or f.ignore: return - if f.glx_rop != 0 or f.vectorequiv != None: - self.printRenderFunction(f) - elif f.glx_sop != 0 or f.glx_vendorpriv != 0: - self.printSingleFunction(f) + 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 "/* Missing GLX protocol for %s. */" % (f.name) + 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 ) { @@ -147,124 +375,372 @@ generic_%u_byte( GLint rop, const void * ptr ) emit_header(gc->pc, rop, cmdlen); (void) memcpy((void *)(gc->pc + 4), ptr, %u); gc->pc += cmdlen; - if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); } + if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); } } -""" % (n, n + 4, n) - +""" % (n, size + 4, size) + return - def common_emit_one_arg(self, p, offset, pc, indent, adjust): - if p.is_output: return - t = p.p_type + 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 - print '%s (void) memcpy((void *)(%s + %u), (void *)(%s), %s);' \ - % (indent, pc, offset + adjust, src_ptr, p.size_string() ) + 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): - # First emit all of the fixed-length 8-byte (i.e., GLdouble) - # parameters. + extra_offset = None - offset = 0 + 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 - if skip_vla: - r = [0, 1] - else: - r = [0, 1, 2] + return - for order in r: - for p in f: - if p.is_output or p.order != order: continue - self.common_emit_one_arg(p, offset, pc, indent, adjust) - offset += p.size() + 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 - return offset + 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) - def common_func_print_just_header(self, f): - print '#define %s %d' % (f.opcode_name(), f.opcode_value()) + 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 - print '%s' % (f.fn_return_type) - print '__indirect_gl%s(%s)' % (f.name, f.get_parameter_string()) - print '{' + 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_header(self, f): - self.common_func_print_just_header(f) + def common_func_print_just_start(self, f): print ' __GLXcontext * const gc = __glXGetCurrentContext();' - print ' Display * const dpy = gc->currentDpy;' - - if f.fn_return_type != 'void': - print ' %s retval = (%s) 0;' % (f.fn_return_type, f.fn_return_type) - if f.count_parameters != None: - print ' const GLuint compsize = __gl%s_size(%s);' % (f.name, f.count_parameters) + # 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 - print ' const GLuint cmdlen = %s;' % (f.command_length()) - if f.counter != None: - print ' if (%s < 0) %s' % (f.counter, f.return_string()) + if f.return_type != 'void': + print ' %s retval = (%s) 0;' % (f.return_type, f.return_type) - if f.can_be_large: - print ' if (dpy == NULL) return;' - print ' if ( ((gc->pc + cmdlen) > gc->bufEnd)' - print ' || (cmdlen > gc->maxSmallRenderCommandSize)) {' - print ' (void) __glXFlushRenderBuffer(gc, gc->pc);' - print ' }' - else: - print ' (void) dpy;' - return + 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_header(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. - print ' if (dpy != NULL) {' - if f.fn_parameters != []: + if f.parameters != []: pc_decl = "GLubyte const * pc =" else: pc_decl = "(void)" if f.glx_vendorpriv != 0: - print ' %s setup_vendor_request(gc, %s, %s, cmdlen);' % (pc_decl, f.opcode_real_name(), f.opcode_name()) + print ' %s __glXSetupVendorRequest(gc, %s, %s, cmdlen);' % (pc_decl, f.opcode_real_name(), f.opcode_name()) else: - print ' %s setup_single_request(gc, %s, cmdlen);' % (pc_decl, f.opcode_name()) + print ' %s __glXSetupSingleRequest(gc, %s, cmdlen);' % (pc_decl, f.opcode_name()) self.common_emit_args(f, "pc", " ", 0, 0) - if f.needs_reply(): - if f.output != None: - output_size = f.output.p_type.size - output_str = f.output.name - else: - output_size = 0 - output_str = "NULL" + 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) - if f.fn_return_type != 'void': - return_str = " retval = (%s)" % (f.fn_return_type) + + 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)" - if f.reply_always_array: - aa = "GL_TRUE" - else: - aa = "GL_FALSE" + got_reply = 0 - print " %s read_reply(gc->currentDpy, %s, %s, %s);" % (return_str, output_size, output_str, aa) + 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 ' UnlockDisplay(gc->currentDpy); SyncHandle();' print ' }' - print ' %s' % f.return_string() - print '}' - 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 @@ -274,58 +750,67 @@ generic_%u_byte( GLint rop, const void * ptr ) # 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 save about 26KB in the libGL.so binary. + # x86, this saves about 26KB in the libGL.so binary. - if f.variable_length_parameter() == None and len(f.fn_parameters) == 1: - p = f.fn_parameters[0] - if p.is_pointer: - [cmdlen, size_string] = f.command_payload_length() + 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: - self.common_func_print_just_header(f) print ' generic_%u_byte( %s, %s );' % (cmdlen, f.opcode_real_name(), p.name) - print '}' - print '' return - self.common_func_print_header(f) - - if f.can_be_large: - print ' if (cmdlen <= gc->maxSmallRenderCommandSize) {' + 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 (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); }' % (indent) + print '%s if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }' % (indent) if f.can_be_large: - print ' }' - print ' else {' - print ' const GLint op = %s;' % (f.opcode_real_name()) - print ' const GLuint cmdlenLarge = cmdlen + 4;' - print ' (void) memcpy((void *)(gc->pc + 0), (void *)(&op), 4);' - print ' (void) memcpy((void *)(gc->pc + 4), (void *)(&cmdlenLarge), 4);' - offset = self.common_emit_args(f, "gc->pc", indent, 8, 1) - + 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 ' __glXSendLargeCommand(gc, gc->pc, %u, %s, %s);' % (offset + 8, p.name, p.size_string()) - print ' }' + print '%s __glXSendLargeCommand(gc, pc, %u, %s, %s);' % (indent, p.offset + 8, p.name, p.size_string()) + print '%s}' % (indent) - print '}' - print '' + 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(glX_XML.GlxProto): +class PrintGlxProtoInit_c(gl_XML.gl_print_base): def __init__(self): - glX_XML.GlxProto.__init__(self) - self.last_category = "" + 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): @@ -380,150 +865,148 @@ __GLapi * __glXNewIndirectAPI( void ) return glAPI; } """ + return + - def printFunction(self, f): - if f.fn_offset < 0 or f.ignore: 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) - if f.category != self.last_category: - self.last_category = f.category - print '' - print ' /* %s */' % (self.last_category) - print '' - - print ' glAPI->%s = __indirect_gl%s;' % (f.name, f.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(glX_XML.GlxProto): +class PrintGlxProtoInit_h(gl_XML.gl_print_base): def __init__(self): - glX_XML.GlxProto.__init__(self) - self.last_category = "" + 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 """ -/** + print """/** * \\file * Prototypes for indirect rendering functions. * * \\author Kevin E. Martin * \\author Ian Romanick */ - -#if !defined( _INDIRECT_H_ ) -# define _INDIRECT_H_ - """ - glX_XML.printVisibility( "HIDDEN", "hidden" ) - - - def printRealFooter(self): - print "# undef HIDDEN" - print "#endif /* !defined( _INDIRECT_H_ ) */" - - def printFunction(self, f): - if f.fn_offset < 0 or f.ignore: return - print 'extern HIDDEN %s __indirect_gl%s(%s);' % (f.fn_return_type, f.name, f.get_parameter_string()) - - -class PrintGlxSizeStubs(glX_XML.GlxProto): - def __init__(self): - glX_XML.GlxProto.__init__(self) - self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004", "IBM") - self.aliases = [] - self.glx_enum_sigs = {} - - def printRealHeader(self): - print '' - print '#include ' - print '#include "indirect_size.h"' - - print '' - glX_XML.printPure() - print '' - glX_XML.printFastcall() - print '' - glX_XML.printVisibility( "INTERNAL", "internal" ) - print '' - print '' - print '#ifdef HAVE_ALIAS' - print '# define ALIAS2(from,to) \\' - print ' INTERNAL PURE FASTCALL GLint __gl ## from ## _size( GLenum e ) \\' - print ' __attribute__ ((alias( # to )));' - print '# define ALIAS(from,to) ALIAS2( from, __gl ## to ## _size )' - print '#else' - print '# define ALIAS(from,to) \\' - print ' INTERNAL PURE FASTCALL GLint __gl ## from ## _size( GLenum e ) \\' - print ' { return __gl ## to ## _size( e ); }' - print '#endif' - print '' - print '' - - def printRealFooter(self): - for a in self.aliases: - print a - - def printFunction(self, f): - if self.glx_enum_functions.has_key(f.name): - ef = self.glx_enum_functions[f.name] - - sig = ef.signature(); - if self.glx_enum_sigs.has_key(sig): - n = self.glx_enum_sigs[sig]; - a = 'ALIAS( %s, %s )' % (f.name, n) - self.aliases.append(a) - else: - ef.Print( f.name ) - self.glx_enum_sigs[sig] = f.name; + self.printVisibility( "HIDDEN", "hidden" ) + self.printFastcall() + self.printNoinline() + print """ +#include "glxclient.h" - -class PrintGlxSizeStubs_h(glX_XML.GlxProto): - def __init__(self): - glX_XML.GlxProto.__init__(self) - self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004", "IBM") - self.aliases = [] - self.glx_enum_sigs = {} +extern HIDDEN NOINLINE CARD32 __glXReadReply( Display *dpy, size_t size, + void * dest, GLboolean reply_is_always_array ); - def printRealHeader(self): - print """ -/** - * \\file - * Prototypes for functions used to determine the number of data elements in - * various GLX protocol messages. - * - * \\author Ian Romanick - */ +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 ); -#if !defined( _GLXSIZE_H_ ) -# define _GLXSIZE_H_ +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 ); """ - glX_XML.printPure(); - print '' - glX_XML.printFastcall(); - print '' - glX_XML.printVisibility( "INTERNAL", "internal" ); - print '' - - def printRealFooter(self): - print '' - print "# undef INTERNAL" - print "# undef PURE" - print "# undef FASTCALL" - print "#endif /* !defined( _GLXSIZE_H_ ) */" - def printFunction(self, f): - if self.glx_enum_functions.has_key(f.name): - ef = self.glx_enum_functions[f.name] - print 'extern INTERNAL PURE FASTCALL GLint __gl%s_size(GLenum);' % (f.name) + 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]" % sys.argv[0] + 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) @@ -531,36 +1014,31 @@ if __name__ == '__main__': file_name = "gl_API.xml" try: - (args, trail) = getopt.getopt(sys.argv[1:], "f:m:") + (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": - dh = PrintGlxProtoStubs() + printer = PrintGlxProtoStubs() elif mode == "init_c": - dh = PrintGlxProtoInit_c() + printer = PrintGlxProtoInit_c() elif mode == "init_h": - dh = PrintGlxProtoInit_h() - elif mode == "size_c": - dh = PrintGlxSizeStubs() - elif mode == "size_h": - dh = PrintGlxSizeStubs_h() + printer = PrintGlxProtoInit_h() else: show_usage() - parser = make_parser() - parser.setFeature(feature_namespaces, 0) - parser.setContentHandler(dh) - f = open(file_name) + printer.debug = debug + api = gl_XML.parse_GL_API( file_name, glX_XML.glx_item_factory() ) - dh.printHeader() - parser.parse(f) - dh.printFooter() + printer.Print( api )