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1901 | serge | 1 | #!/usr/bin/env python |
2 | |||
3 | # (C) Copyright IBM Corporation 2004, 2005 |
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4 | # All Rights Reserved. |
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5 | # |
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6 | # Permission is hereby granted, free of charge, to any person obtaining a |
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7 | # copy of this software and associated documentation files (the "Software"), |
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8 | # to deal in the Software without restriction, including without limitation |
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9 | # on the rights to use, copy, modify, merge, publish, distribute, sub |
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10 | # license, and/or sell copies of the Software, and to permit persons to whom |
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11 | # the Software is furnished to do so, subject to the following conditions: |
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12 | # |
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13 | # The above copyright notice and this permission notice (including the next |
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14 | # paragraph) shall be included in all copies or substantial portions of the |
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15 | # Software. |
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16 | # |
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17 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 | # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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20 | # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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22 | # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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23 | # IN THE SOFTWARE. |
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24 | # |
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25 | # Authors: |
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26 | # Ian Romanick |
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27 | # Jeremy Kolb |
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28 | |||
29 | import gl_XML, glX_XML, glX_proto_common, license |
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30 | import sys, getopt, copy, string |
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31 | |||
32 | def convertStringForXCB(str): |
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33 | tmp = "" |
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34 | special = [ "ARB" ] |
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35 | i = 0 |
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36 | while i < len(str): |
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37 | if str[i:i+3] in special: |
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38 | tmp = '%s_%s' % (tmp, string.lower(str[i:i+3])) |
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39 | i = i + 2; |
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40 | elif str[i].isupper(): |
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41 | tmp = '%s_%s' % (tmp, string.lower(str[i])) |
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42 | else: |
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43 | tmp = '%s%s' % (tmp, str[i]) |
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44 | i += 1 |
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45 | return tmp |
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46 | |||
47 | def hash_pixel_function(func): |
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48 | """Generate a 'unique' key for a pixel function. The key is based on |
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49 | the parameters written in the command packet. This includes any |
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50 | padding that might be added for the original function and the 'NULL |
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51 | image' flag.""" |
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52 | |||
53 | |||
54 | h = "" |
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55 | hash_pre = "" |
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56 | hash_suf = "" |
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57 | for param in func.parameterIterateGlxSend(): |
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58 | if param.is_image(): |
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59 | [dim, junk, junk, junk, junk] = param.get_dimensions() |
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60 | |||
61 | d = (dim + 1) & ~1 |
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62 | hash_pre = "%uD%uD_" % (d - 1, d) |
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63 | |||
64 | if param.img_null_flag: |
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65 | hash_suf = "_NF" |
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66 | |||
67 | h += "%u" % (param.size()) |
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68 | |||
69 | if func.pad_after(param): |
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70 | h += "4" |
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71 | |||
72 | |||
73 | n = func.name.replace("%uD" % (dim), "") |
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74 | n = "__glx_%s_%uD%uD" % (n, d - 1, d) |
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75 | |||
76 | h = hash_pre + h + hash_suf |
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77 | return [h, n] |
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78 | |||
79 | |||
80 | class glx_pixel_function_stub(glX_XML.glx_function): |
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81 | """Dummy class used to generate pixel "utility" functions that are |
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82 | shared by multiple dimension image functions. For example, these |
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83 | objects are used to generate shared functions used to send GLX |
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84 | protocol for TexImage1D and TexImage2D, TexSubImage1D and |
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85 | TexSubImage2D, etc.""" |
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86 | |||
87 | def __init__(self, func, name): |
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88 | # The parameters to the utility function are the same as the |
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89 | # parameters to the real function except for the added "pad" |
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90 | # parameters. |
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91 | |||
92 | self.name = name |
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93 | self.images = [] |
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94 | self.parameters = [] |
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95 | self.parameters_by_name = {} |
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96 | for _p in func.parameterIterator(): |
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97 | p = copy.copy(_p) |
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98 | self.parameters.append(p) |
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99 | self.parameters_by_name[ p.name ] = p |
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100 | |||
101 | |||
102 | if p.is_image(): |
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103 | self.images.append(p) |
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104 | p.height = "height" |
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105 | |||
106 | if p.img_yoff == None: |
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107 | p.img_yoff = "yoffset" |
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108 | |||
109 | if p.depth: |
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110 | if p.extent == None: |
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111 | p.extent = "extent" |
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112 | |||
113 | if p.img_woff == None: |
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114 | p.img_woff = "woffset" |
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115 | |||
116 | |||
117 | pad_name = func.pad_after(p) |
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118 | if pad_name: |
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119 | pad = copy.copy(p) |
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120 | pad.name = pad_name |
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121 | self.parameters.append(pad) |
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122 | self.parameters_by_name[ pad.name ] = pad |
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123 | |||
124 | |||
125 | self.return_type = func.return_type |
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126 | |||
127 | self.glx_rop = ~0 |
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128 | self.glx_sop = 0 |
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129 | self.glx_vendorpriv = 0 |
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130 | |||
131 | self.glx_doubles_in_order = func.glx_doubles_in_order |
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132 | |||
133 | self.vectorequiv = None |
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134 | self.output = None |
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135 | self.can_be_large = func.can_be_large |
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136 | self.reply_always_array = func.reply_always_array |
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137 | self.dimensions_in_reply = func.dimensions_in_reply |
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138 | self.img_reset = None |
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139 | |||
140 | self.server_handcode = 0 |
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141 | self.client_handcode = 0 |
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142 | self.ignore = 0 |
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143 | |||
144 | self.count_parameter_list = func.count_parameter_list |
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145 | self.counter_list = func.counter_list |
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146 | self.offsets_calculated = 0 |
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147 | return |
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148 | |||
149 | |||
150 | class PrintGlxProtoStubs(glX_proto_common.glx_print_proto): |
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151 | def __init__(self): |
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152 | glX_proto_common.glx_print_proto.__init__(self) |
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153 | self.name = "glX_proto_send.py (from Mesa)" |
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154 | self.license = license.bsd_license_template % ( "(C) Copyright IBM Corporation 2004, 2005", "IBM") |
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155 | |||
156 | |||
157 | self.last_category = "" |
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158 | self.generic_sizes = [3, 4, 6, 8, 12, 16, 24, 32] |
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159 | self.pixel_stubs = {} |
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160 | self.debug = 0 |
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161 | return |
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162 | |||
163 | def printRealHeader(self): |
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164 | print '' |
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165 | print '#include |
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166 | print '#include "indirect.h"' |
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167 | print '#include "glxclient.h"' |
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168 | print '#include "indirect_size.h"' |
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169 | print '#include "glapi.h"' |
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170 | print '#include "glthread.h"' |
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171 | print '#include |
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172 | print '#ifdef USE_XCB' |
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173 | print '#include |
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174 | print '#include |
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175 | print '#include |
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176 | print '#endif /* USE_XCB */' |
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177 | |||
178 | print '' |
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179 | print '#define __GLX_PAD(n) (((n) + 3) & ~3)' |
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180 | print '' |
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181 | self.printFastcall() |
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182 | self.printNoinline() |
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183 | print '' |
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184 | print '#ifndef __GNUC__' |
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185 | print '# define __builtin_expect(x, y) x' |
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186 | print '#endif' |
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187 | print '' |
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188 | print '/* If the size and opcode values are known at compile-time, this will, on' |
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189 | print ' * x86 at least, emit them with a single instruction.' |
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190 | print ' */' |
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191 | print '#define emit_header(dest, op, size) \\' |
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192 | print ' do { union { short s[2]; int i; } temp; \\' |
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193 | print ' temp.s[0] = (size); temp.s[1] = (op); \\' |
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194 | print ' *((int *)(dest)) = temp.i; } while(0)' |
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195 | print '' |
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196 | print """NOINLINE CARD32 |
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197 | __glXReadReply( Display *dpy, size_t size, void * dest, GLboolean reply_is_always_array ) |
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198 | { |
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199 | xGLXSingleReply reply; |
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200 | |||
201 | (void) _XReply(dpy, (xReply *) & reply, 0, False); |
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202 | if (size != 0) { |
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203 | if ((reply.length > 0) || reply_is_always_array) { |
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204 | const GLint bytes = (reply_is_always_array) |
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205 | ? (4 * reply.length) : (reply.size * size); |
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206 | const GLint extra = 4 - (bytes & 3); |
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207 | |||
208 | _XRead(dpy, dest, bytes); |
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209 | if ( extra < 4 ) { |
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210 | _XEatData(dpy, extra); |
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211 | } |
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212 | } |
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213 | else { |
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214 | (void) memcpy( dest, &(reply.pad3), size); |
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215 | } |
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216 | } |
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217 | |||
218 | return reply.retval; |
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219 | } |
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220 | |||
221 | NOINLINE void |
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222 | __glXReadPixelReply( Display *dpy, struct glx_context * gc, unsigned max_dim, |
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223 | GLint width, GLint height, GLint depth, GLenum format, GLenum type, |
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224 | void * dest, GLboolean dimensions_in_reply ) |
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225 | { |
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226 | xGLXSingleReply reply; |
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227 | GLint size; |
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228 | |||
229 | (void) _XReply(dpy, (xReply *) & reply, 0, False); |
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230 | |||
231 | if ( dimensions_in_reply ) { |
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232 | width = reply.pad3; |
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233 | height = reply.pad4; |
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234 | depth = reply.pad5; |
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235 | |||
236 | if ((height == 0) || (max_dim < 2)) { height = 1; } |
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237 | if ((depth == 0) || (max_dim < 3)) { depth = 1; } |
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238 | } |
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239 | |||
240 | size = reply.length * 4; |
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241 | if (size != 0) { |
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242 | void * buf = Xmalloc( size ); |
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243 | |||
244 | if ( buf == NULL ) { |
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245 | _XEatData(dpy, size); |
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246 | __glXSetError(gc, GL_OUT_OF_MEMORY); |
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247 | } |
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248 | else { |
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249 | const GLint extra = 4 - (size & 3); |
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250 | |||
251 | _XRead(dpy, buf, size); |
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252 | if ( extra < 4 ) { |
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253 | _XEatData(dpy, extra); |
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254 | } |
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255 | |||
256 | __glEmptyImage(gc, 3, width, height, depth, format, type, |
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257 | buf, dest); |
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258 | Xfree(buf); |
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259 | } |
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260 | } |
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261 | } |
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262 | |||
263 | #define X_GLXSingle 0 |
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264 | |||
265 | NOINLINE FASTCALL GLubyte * |
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266 | __glXSetupSingleRequest( struct glx_context * gc, GLint sop, GLint cmdlen ) |
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267 | { |
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268 | xGLXSingleReq * req; |
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269 | Display * const dpy = gc->currentDpy; |
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270 | |||
271 | (void) __glXFlushRenderBuffer(gc, gc->pc); |
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272 | LockDisplay(dpy); |
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273 | GetReqExtra(GLXSingle, cmdlen, req); |
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274 | req->reqType = gc->majorOpcode; |
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275 | req->contextTag = gc->currentContextTag; |
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276 | req->glxCode = sop; |
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277 | return (GLubyte *)(req) + sz_xGLXSingleReq; |
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278 | } |
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279 | |||
280 | NOINLINE FASTCALL GLubyte * |
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281 | __glXSetupVendorRequest( struct glx_context * gc, GLint code, GLint vop, GLint cmdlen ) |
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282 | { |
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283 | xGLXVendorPrivateReq * req; |
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284 | Display * const dpy = gc->currentDpy; |
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285 | |||
286 | (void) __glXFlushRenderBuffer(gc, gc->pc); |
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287 | LockDisplay(dpy); |
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288 | GetReqExtra(GLXVendorPrivate, cmdlen, req); |
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289 | req->reqType = gc->majorOpcode; |
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290 | req->glxCode = code; |
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291 | req->vendorCode = vop; |
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292 | req->contextTag = gc->currentContextTag; |
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293 | return (GLubyte *)(req) + sz_xGLXVendorPrivateReq; |
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294 | } |
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295 | |||
296 | const GLuint __glXDefaultPixelStore[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 1 }; |
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297 | |||
298 | #define zero (__glXDefaultPixelStore+0) |
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299 | #define one (__glXDefaultPixelStore+8) |
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300 | #define default_pixel_store_1D (__glXDefaultPixelStore+4) |
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301 | #define default_pixel_store_1D_size 20 |
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302 | #define default_pixel_store_2D (__glXDefaultPixelStore+4) |
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303 | #define default_pixel_store_2D_size 20 |
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304 | #define default_pixel_store_3D (__glXDefaultPixelStore+0) |
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305 | #define default_pixel_store_3D_size 36 |
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306 | #define default_pixel_store_4D (__glXDefaultPixelStore+0) |
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307 | #define default_pixel_store_4D_size 36 |
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308 | """ |
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309 | |||
310 | for size in self.generic_sizes: |
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311 | self.print_generic_function(size) |
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312 | return |
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313 | |||
314 | |||
315 | def printBody(self, api): |
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316 | |||
317 | self.pixel_stubs = {} |
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318 | generated_stubs = [] |
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319 | |||
320 | for func in api.functionIterateGlx(): |
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321 | if func.client_handcode: continue |
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322 | |||
323 | # If the function is a pixel function with a certain |
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324 | # GLX protocol signature, create a fake stub function |
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325 | # for it. For example, create a single stub function |
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326 | # that is used to implement both glTexImage1D and |
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327 | # glTexImage2D. |
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328 | |||
329 | if func.glx_rop != 0: |
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330 | do_it = 0 |
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331 | for image in func.get_images(): |
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332 | if image.img_pad_dimensions: |
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333 | do_it = 1 |
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334 | break |
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335 | |||
336 | |||
337 | if do_it: |
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338 | [h, n] = hash_pixel_function(func) |
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339 | |||
340 | |||
341 | self.pixel_stubs[ func.name ] = n |
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342 | if h not in generated_stubs: |
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343 | generated_stubs.append(h) |
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344 | |||
345 | fake_func = glx_pixel_function_stub( func, n ) |
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346 | self.printFunction(fake_func, fake_func.name) |
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347 | |||
348 | |||
349 | self.printFunction(func, func.name) |
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350 | if func.glx_sop and func.glx_vendorpriv: |
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351 | self.printFunction(func, func.glx_vendorpriv_names[0]) |
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352 | |||
353 | return |
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354 | |||
355 | |||
356 | def printFunction(self, func, name): |
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357 | footer = '}\n' |
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358 | if func.glx_rop == ~0: |
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359 | print 'static %s' % (func.return_type) |
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360 | print '%s( unsigned opcode, unsigned dim, %s )' % (func.name, func.get_parameter_string()) |
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361 | print '{' |
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362 | else: |
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363 | if func.has_different_protocol(name): |
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364 | if func.return_type == "void": |
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365 | ret_string = '' |
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366 | else: |
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367 | ret_string = "return " |
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368 | |||
369 | func_name = func.static_glx_name(name) |
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370 | print '#define %s %d' % (func.opcode_vendor_name(name), func.glx_vendorpriv) |
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371 | print '%s gl%s(%s)' % (func.return_type, func_name, func.get_parameter_string()) |
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372 | print '{' |
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373 | print ' struct glx_context * const gc = __glXGetCurrentContext();' |
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374 | print '' |
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375 | print '#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)' |
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376 | print ' if (gc->isDirect) {' |
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377 | print ' %sGET_DISPATCH()->%s(%s);' % (ret_string, func.name, func.get_called_parameter_string()) |
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378 | print ' } else' |
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379 | print '#endif' |
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380 | print ' {' |
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381 | |||
382 | footer = '}\n}\n' |
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383 | else: |
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384 | print '#define %s %d' % (func.opcode_name(), func.opcode_value()) |
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385 | |||
386 | print '%s __indirect_gl%s(%s)' % (func.return_type, name, func.get_parameter_string()) |
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387 | print '{' |
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388 | |||
389 | |||
390 | if func.glx_rop != 0 or func.vectorequiv != None: |
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391 | if len(func.images): |
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392 | self.printPixelFunction(func) |
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393 | else: |
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394 | self.printRenderFunction(func) |
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395 | elif func.glx_sop != 0 or func.glx_vendorpriv != 0: |
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396 | self.printSingleFunction(func, name) |
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397 | pass |
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398 | else: |
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399 | print "/* Missing GLX protocol for %s. */" % (name) |
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400 | |||
401 | print footer |
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402 | return |
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403 | |||
404 | |||
405 | def print_generic_function(self, n): |
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406 | size = (n + 3) & ~3 |
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407 | print """static FASTCALL NOINLINE void |
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408 | generic_%u_byte( GLint rop, const void * ptr ) |
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409 | { |
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410 | struct glx_context * const gc = __glXGetCurrentContext(); |
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411 | const GLuint cmdlen = %u; |
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412 | |||
413 | emit_header(gc->pc, rop, cmdlen); |
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414 | (void) memcpy((void *)(gc->pc + 4), ptr, %u); |
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415 | gc->pc += cmdlen; |
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416 | if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); } |
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417 | } |
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418 | """ % (n, size + 4, size) |
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419 | return |
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420 | |||
421 | |||
422 | def common_emit_one_arg(self, p, pc, adjust, extra_offset): |
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423 | if p.is_array(): |
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424 | src_ptr = p.name |
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425 | else: |
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426 | src_ptr = "&" + p.name |
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427 | |||
428 | if p.is_padding: |
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429 | print '(void) memset((void *)(%s + %u), 0, %s);' \ |
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430 | % (pc, p.offset + adjust, p.size_string() ) |
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431 | elif not extra_offset: |
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432 | print '(void) memcpy((void *)(%s + %u), (void *)(%s), %s);' \ |
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433 | % (pc, p.offset + adjust, src_ptr, p.size_string() ) |
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434 | else: |
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435 | print '(void) memcpy((void *)(%s + %u + %s), (void *)(%s), %s);' \ |
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436 | % (pc, p.offset + adjust, extra_offset, src_ptr, p.size_string() ) |
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437 | |||
438 | def common_emit_args(self, f, pc, adjust, skip_vla): |
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439 | extra_offset = None |
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440 | |||
441 | for p in f.parameterIterateGlxSend( not skip_vla ): |
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442 | if p.name != f.img_reset: |
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443 | self.common_emit_one_arg(p, pc, adjust, extra_offset) |
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444 | |||
445 | if p.is_variable_length(): |
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446 | temp = p.size_string() |
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447 | if extra_offset: |
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448 | extra_offset += " + %s" % (temp) |
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449 | else: |
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450 | extra_offset = temp |
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451 | |||
452 | return |
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453 | |||
454 | |||
455 | def pixel_emit_args(self, f, pc, large): |
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456 | """Emit the arguments for a pixel function. This differs from |
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457 | common_emit_args in that pixel functions may require padding |
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458 | be inserted (i.e., for the missing width field for |
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459 | TexImage1D), and they may also require a 'NULL image' flag |
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460 | be inserted before the image data.""" |
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461 | |||
462 | if large: |
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463 | adjust = 8 |
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464 | else: |
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465 | adjust = 4 |
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466 | |||
467 | for param in f.parameterIterateGlxSend(): |
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468 | if not param.is_image(): |
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469 | self.common_emit_one_arg(param, pc, adjust, None) |
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470 | |||
471 | if f.pad_after(param): |
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472 | print '(void) memcpy((void *)(%s + %u), zero, 4);' % (pc, (param.offset + param.size()) + adjust) |
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473 | |||
474 | else: |
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475 | [dim, width, height, depth, extent] = param.get_dimensions() |
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476 | if f.glx_rop == ~0: |
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477 | dim_str = "dim" |
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478 | else: |
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479 | dim_str = str(dim) |
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480 | |||
481 | if param.is_padding: |
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482 | print '(void) memset((void *)(%s + %u), 0, %s);' \ |
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483 | % (pc, (param.offset - 4) + adjust, param.size_string() ) |
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484 | |||
485 | if param.img_null_flag: |
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486 | if large: |
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487 | print '(void) memcpy((void *)(%s + %u), zero, 4);' % (pc, (param.offset - 4) + adjust) |
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488 | else: |
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489 | print '(void) memcpy((void *)(%s + %u), (void *)((%s == NULL) ? one : zero), 4);' % (pc, (param.offset - 4) + adjust, param.name) |
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490 | |||
491 | |||
492 | pixHeaderPtr = "%s + %u" % (pc, adjust) |
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493 | pcPtr = "%s + %u" % (pc, param.offset + adjust) |
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494 | |||
495 | if not large: |
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496 | if param.img_send_null: |
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497 | condition = '(compsize > 0) && (%s != NULL)' % (param.name) |
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498 | else: |
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499 | condition = 'compsize > 0' |
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500 | |||
501 | print 'if (%s) {' % (condition) |
||
502 | 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) |
||
503 | print '} else {' |
||
504 | print ' (void) memcpy( %s, default_pixel_store_%uD, default_pixel_store_%uD_size );' % (pixHeaderPtr, dim, dim) |
||
505 | print '}' |
||
506 | else: |
||
507 | 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) |
||
508 | |||
509 | return |
||
510 | |||
511 | |||
512 | def large_emit_begin(self, f, op_name = None): |
||
513 | if not op_name: |
||
514 | op_name = f.opcode_real_name() |
||
515 | |||
516 | print 'const GLint op = %s;' % (op_name) |
||
517 | print 'const GLuint cmdlenLarge = cmdlen + 4;' |
||
518 | print 'GLubyte * const pc = __glXFlushRenderBuffer(gc, gc->pc);' |
||
519 | print '(void) memcpy((void *)(pc + 0), (void *)(&cmdlenLarge), 4);' |
||
520 | print '(void) memcpy((void *)(pc + 4), (void *)(&op), 4);' |
||
521 | return |
||
522 | |||
523 | |||
524 | def common_func_print_just_start(self, f, name): |
||
525 | print ' struct glx_context * const gc = __glXGetCurrentContext();' |
||
526 | |||
527 | # The only reason that single and vendor private commands need |
||
528 | # a variable called 'dpy' is becuase they use the SyncHandle |
||
529 | # macro. For whatever brain-dead reason, that macro is hard- |
||
530 | # coded to use a variable called 'dpy' instead of taking a |
||
531 | # parameter. |
||
532 | |||
533 | # FIXME Simplify the logic related to skip_condition and |
||
534 | # FIXME condition_list in this function. Basically, remove |
||
535 | # FIXME skip_condition, and just append the "dpy != NULL" type |
||
536 | # FIXME condition to condition_list from the start. The only |
||
537 | # FIXME reason it's done in this confusing way now is to |
||
538 | # FIXME minimize the diffs in the generated code. |
||
539 | |||
540 | if not f.glx_rop: |
||
541 | for p in f.parameterIterateOutputs(): |
||
542 | if p.is_image() and (p.img_format != "GL_COLOR_INDEX" or p.img_type != "GL_BITMAP"): |
||
543 | print ' const __GLXattribute * const state = gc->client_state_private;' |
||
544 | break |
||
545 | |||
546 | print ' Display * const dpy = gc->currentDpy;' |
||
547 | skip_condition = "dpy != NULL" |
||
548 | elif f.can_be_large: |
||
549 | skip_condition = "gc->currentDpy != NULL" |
||
550 | else: |
||
551 | skip_condition = None |
||
552 | |||
553 | |||
554 | if f.return_type != 'void': |
||
555 | print ' %s retval = (%s) 0;' % (f.return_type, f.return_type) |
||
556 | |||
557 | |||
558 | if name != None and name not in f.glx_vendorpriv_names: |
||
559 | print '#ifndef USE_XCB' |
||
560 | self.emit_packet_size_calculation(f, 0) |
||
561 | if name != None and name not in f.glx_vendorpriv_names: |
||
562 | print '#endif' |
||
563 | |||
564 | condition_list = [] |
||
565 | for p in f.parameterIterateCounters(): |
||
566 | condition_list.append( "%s >= 0" % (p.name) ) |
||
567 | # 'counter' parameters cannot be negative |
||
568 | print " if (%s < 0) {" % p.name |
||
569 | print " __glXSetError(gc, GL_INVALID_VALUE);" |
||
570 | if f.return_type != 'void': |
||
571 | print " return 0;" |
||
572 | else: |
||
573 | print " return;" |
||
574 | print " }" |
||
575 | |||
576 | if skip_condition: |
||
577 | condition_list.append( skip_condition ) |
||
578 | |||
579 | if len( condition_list ) > 0: |
||
580 | if len( condition_list ) > 1: |
||
581 | skip_condition = "(%s)" % (string.join( condition_list, ") && (" )) |
||
582 | else: |
||
583 | skip_condition = "%s" % (condition_list.pop(0)) |
||
584 | |||
585 | print ' if (__builtin_expect(%s, 1)) {' % (skip_condition) |
||
586 | return 1 |
||
587 | else: |
||
588 | return 0 |
||
589 | |||
590 | |||
591 | def printSingleFunction(self, f, name): |
||
592 | self.common_func_print_just_start(f, name) |
||
593 | |||
594 | if self.debug: |
||
595 | print ' printf( "Enter %%s...\\n", "gl%s" );' % (f.name) |
||
596 | |||
597 | if name not in f.glx_vendorpriv_names: |
||
598 | |||
599 | # XCB specific: |
||
600 | print '#ifdef USE_XCB' |
||
601 | if self.debug: |
||
602 | print ' printf("\\tUsing XCB.\\n");' |
||
603 | print ' xcb_connection_t *c = XGetXCBConnection(dpy);' |
||
604 | print ' (void) __glXFlushRenderBuffer(gc, gc->pc);' |
||
605 | xcb_name = 'xcb_glx%s' % convertStringForXCB(name) |
||
606 | |||
607 | iparams=[] |
||
608 | extra_iparams = [] |
||
609 | output = None |
||
610 | for p in f.parameterIterator(): |
||
611 | if p.is_output: |
||
612 | output = p |
||
613 | |||
614 | if p.is_image(): |
||
615 | if p.img_format != "GL_COLOR_INDEX" or p.img_type != "GL_BITMAP": |
||
616 | extra_iparams.append("state->storePack.swapEndian") |
||
617 | else: |
||
618 | extra_iparams.append("0") |
||
619 | |||
620 | # Hardcode this in. lsb_first param (apparently always GL_FALSE) |
||
621 | # also present in GetPolygonStipple, but taken care of above. |
||
622 | if xcb_name == "xcb_glx_read_pixels": |
||
623 | extra_iparams.append("0") |
||
624 | else: |
||
625 | iparams.append(p.name) |
||
626 | |||
627 | |||
628 | xcb_request = '%s(%s)' % (xcb_name, ", ".join(["c", "gc->currentContextTag"] + iparams + extra_iparams)) |
||
629 | |||
630 | if f.needs_reply(): |
||
631 | print ' %s_reply_t *reply = %s_reply(c, %s, NULL);' % (xcb_name, xcb_name, xcb_request) |
||
632 | if output and f.reply_always_array: |
||
633 | print ' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output.name, xcb_name, xcb_name, output.get_base_type_string()) |
||
634 | |||
635 | elif output and not f.reply_always_array: |
||
636 | if not output.is_image(): |
||
637 | print ' if (%s_data_length(reply) == 0)' % (xcb_name) |
||
638 | print ' (void)memcpy(%s, &reply->datum, sizeof(reply->datum));' % (output.name) |
||
639 | print ' else' |
||
640 | print ' (void)memcpy(%s, %s_data(reply), %s_data_length(reply) * sizeof(%s));' % (output.name, xcb_name, xcb_name, output.get_base_type_string()) |
||
641 | |||
642 | |||
643 | if f.return_type != 'void': |
||
644 | print ' retval = reply->ret_val;' |
||
645 | print ' free(reply);' |
||
646 | else: |
||
647 | print ' ' + xcb_request + ';' |
||
648 | print '#else' |
||
649 | # End of XCB specific. |
||
650 | |||
651 | |||
652 | if f.parameters != []: |
||
653 | pc_decl = "GLubyte const * pc =" |
||
654 | else: |
||
655 | pc_decl = "(void)" |
||
656 | |||
657 | if name in f.glx_vendorpriv_names: |
||
658 | print ' %s __glXSetupVendorRequest(gc, %s, %s, cmdlen);' % (pc_decl, f.opcode_real_name(), f.opcode_vendor_name(name)) |
||
659 | else: |
||
660 | print ' %s __glXSetupSingleRequest(gc, %s, cmdlen);' % (pc_decl, f.opcode_name()) |
||
661 | |||
662 | self.common_emit_args(f, "pc", 0, 0) |
||
663 | |||
664 | images = f.get_images() |
||
665 | |||
666 | for img in images: |
||
667 | if img.is_output: |
||
668 | o = f.command_fixed_length() - 4 |
||
669 | print ' *(int32_t *)(pc + %u) = 0;' % (o) |
||
670 | if img.img_format != "GL_COLOR_INDEX" or img.img_type != "GL_BITMAP": |
||
671 | print ' * (int8_t *)(pc + %u) = state->storePack.swapEndian;' % (o) |
||
672 | |||
673 | if f.img_reset: |
||
674 | print ' * (int8_t *)(pc + %u) = %s;' % (o + 1, f.img_reset) |
||
675 | |||
676 | |||
677 | return_name = '' |
||
678 | if f.needs_reply(): |
||
679 | if f.return_type != 'void': |
||
680 | return_name = " retval" |
||
681 | return_str = " retval = (%s)" % (f.return_type) |
||
682 | else: |
||
683 | return_str = " (void)" |
||
684 | |||
685 | got_reply = 0 |
||
686 | |||
687 | for p in f.parameterIterateOutputs(): |
||
688 | if p.is_image(): |
||
689 | [dim, w, h, d, junk] = p.get_dimensions() |
||
690 | if f.dimensions_in_reply: |
||
691 | print " __glXReadPixelReply(dpy, gc, %u, 0, 0, 0, %s, %s, %s, GL_TRUE);" % (dim, p.img_format, p.img_type, p.name) |
||
692 | else: |
||
693 | 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) |
||
694 | |||
695 | got_reply = 1 |
||
696 | else: |
||
697 | if f.reply_always_array: |
||
698 | aa = "GL_TRUE" |
||
699 | else: |
||
700 | aa = "GL_FALSE" |
||
701 | |||
702 | # gl_parameter.size() returns the size |
||
703 | # of the entire data item. If the |
||
704 | # item is a fixed-size array, this is |
||
705 | # the size of the whole array. This |
||
706 | # is not what __glXReadReply wants. It |
||
707 | # wants the size of a single data |
||
708 | # element in the reply packet. |
||
709 | # Dividing by the array size (1 for |
||
710 | # non-arrays) gives us this. |
||
711 | |||
712 | s = p.size() / p.get_element_count() |
||
713 | print " %s __glXReadReply(dpy, %s, %s, %s);" % (return_str, s, p.name, aa) |
||
714 | got_reply = 1 |
||
715 | |||
716 | |||
717 | # If a reply wasn't read to fill an output parameter, |
||
718 | # read a NULL reply to get the return value. |
||
719 | |||
720 | if not got_reply: |
||
721 | print " %s __glXReadReply(dpy, 0, NULL, GL_FALSE);" % (return_str) |
||
722 | |||
723 | |||
724 | elif self.debug: |
||
725 | # Only emit the extra glFinish call for functions |
||
726 | # that don't already require a reply from the server. |
||
727 | print ' __indirect_glFinish();' |
||
728 | |||
729 | if self.debug: |
||
730 | print ' printf( "Exit %%s.\\n", "gl%s" );' % (name) |
||
731 | |||
732 | |||
733 | print ' UnlockDisplay(dpy); SyncHandle();' |
||
734 | |||
735 | if name not in f.glx_vendorpriv_names: |
||
736 | print '#endif /* USE_XCB */' |
||
737 | |||
738 | print ' }' |
||
739 | print ' return%s;' % (return_name) |
||
740 | return |
||
741 | |||
742 | |||
743 | def printPixelFunction(self, f): |
||
744 | if self.pixel_stubs.has_key( f.name ): |
||
745 | # Normally gl_function::get_parameter_string could be |
||
746 | # used. However, this call needs to have the missing |
||
747 | # dimensions (e.g., a fake height value for |
||
748 | # glTexImage1D) added in. |
||
749 | |||
750 | p_string = "" |
||
751 | for param in f.parameterIterateGlxSend(): |
||
752 | if param.is_padding: |
||
753 | continue |
||
754 | |||
755 | p_string += ", " + param.name |
||
756 | |||
757 | if param.is_image(): |
||
758 | [dim, junk, junk, junk, junk] = param.get_dimensions() |
||
759 | |||
760 | if f.pad_after(param): |
||
761 | p_string += ", 1" |
||
762 | |||
763 | print ' %s(%s, %u%s );' % (self.pixel_stubs[f.name] , f.opcode_name(), dim, p_string) |
||
764 | return |
||
765 | |||
766 | |||
767 | if self.common_func_print_just_start(f, None): |
||
768 | trailer = " }" |
||
769 | else: |
||
770 | trailer = None |
||
771 | |||
772 | |||
773 | if f.can_be_large: |
||
774 | print 'if (cmdlen <= gc->maxSmallRenderCommandSize) {' |
||
775 | print ' if ( (gc->pc + cmdlen) > gc->bufEnd ) {' |
||
776 | print ' (void) __glXFlushRenderBuffer(gc, gc->pc);' |
||
777 | print ' }' |
||
778 | |||
779 | if f.glx_rop == ~0: |
||
780 | opcode = "opcode" |
||
781 | else: |
||
782 | opcode = f.opcode_real_name() |
||
783 | |||
784 | print 'emit_header(gc->pc, %s, cmdlen);' % (opcode) |
||
785 | |||
786 | self.pixel_emit_args( f, "gc->pc", 0 ) |
||
787 | print 'gc->pc += cmdlen;' |
||
788 | print 'if (gc->pc > gc->limit) { (void) __glXFlushRenderBuffer(gc, gc->pc); }' |
||
789 | |||
790 | if f.can_be_large: |
||
791 | print '}' |
||
792 | print 'else {' |
||
793 | |||
794 | self.large_emit_begin(f, opcode) |
||
795 | self.pixel_emit_args(f, "pc", 1) |
||
796 | |||
797 | print '}' |
||
798 | |||
799 | if trailer: print trailer |
||
800 | return |
||
801 | |||
802 | |||
803 | def printRenderFunction(self, f): |
||
804 | # There is a class of GL functions that take a single pointer |
||
805 | # as a parameter. This pointer points to a fixed-size chunk |
||
806 | # of data, and the protocol for this functions is very |
||
807 | # regular. Since they are so regular and there are so many |
||
808 | # of them, special case them with generic functions. On |
||
809 | # x86, this saves about 26KB in the libGL.so binary. |
||
810 | |||
811 | if f.variable_length_parameter() == None and len(f.parameters) == 1: |
||
812 | p = f.parameters[0] |
||
813 | if p.is_pointer(): |
||
814 | cmdlen = f.command_fixed_length() |
||
815 | if cmdlen in self.generic_sizes: |
||
816 | print ' generic_%u_byte( %s, %s );' % (cmdlen, f.opcode_real_name(), p.name) |
||
817 | return |
||
818 | |||
819 | if self.common_func_print_just_start(f, None): |
||
820 | trailer = " }" |
||
821 | else: |
||
822 | trailer = None |
||
823 | |||
824 | if self.debug: |
||
825 | print 'printf( "Enter %%s...\\n", "gl%s" );' % (f.name) |
||
826 | |||
827 | if f.can_be_large: |
||
828 | print 'if (cmdlen <= gc->maxSmallRenderCommandSize) {' |
||
829 | print ' if ( (gc->pc + cmdlen) > gc->bufEnd ) {' |
||
830 | print ' (void) __glXFlushRenderBuffer(gc, gc->pc);' |
||
831 | print ' }' |
||
832 | |||
833 | print 'emit_header(gc->pc, %s, cmdlen);' % (f.opcode_real_name()) |
||
834 | |||
835 | self.common_emit_args(f, "gc->pc", 4, 0) |
||
836 | print 'gc->pc += cmdlen;' |
||
837 | print 'if (__builtin_expect(gc->pc > gc->limit, 0)) { (void) __glXFlushRenderBuffer(gc, gc->pc); }' |
||
838 | |||
839 | if f.can_be_large: |
||
840 | print '}' |
||
841 | print 'else {' |
||
842 | |||
843 | self.large_emit_begin(f) |
||
844 | self.common_emit_args(f, "pc", 8, 1) |
||
845 | |||
846 | p = f.variable_length_parameter() |
||
847 | print ' __glXSendLargeCommand(gc, pc, %u, %s, %s);' % (p.offset + 8, p.name, p.size_string()) |
||
848 | print '}' |
||
849 | |||
850 | if self.debug: |
||
851 | print '__indirect_glFinish();' |
||
852 | print 'printf( "Exit %%s.\\n", "gl%s" );' % (f.name) |
||
853 | |||
854 | if trailer: print trailer |
||
855 | return |
||
856 | |||
857 | |||
858 | class PrintGlxProtoInit_c(gl_XML.gl_print_base): |
||
859 | def __init__(self): |
||
860 | gl_XML.gl_print_base.__init__(self) |
||
861 | |||
862 | self.name = "glX_proto_send.py (from Mesa)" |
||
863 | self.license = license.bsd_license_template % ( \ |
||
864 | """Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. |
||
865 | (C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM") |
||
866 | return |
||
867 | |||
868 | |||
869 | def printRealHeader(self): |
||
870 | print """/** |
||
871 | * \\file indirect_init.c |
||
872 | * Initialize indirect rendering dispatch table. |
||
873 | * |
||
874 | * \\author Kevin E. Martin |
||
875 | * \\author Brian Paul |
||
876 | * \\author Ian Romanick |
||
877 | */ |
||
878 | |||
879 | #include "indirect_init.h" |
||
880 | #include "indirect.h" |
||
881 | #include "glapi.h" |
||
882 | |||
883 | |||
884 | /** |
||
885 | * No-op function used to initialize functions that have no GLX protocol |
||
886 | * support. |
||
887 | */ |
||
888 | static int NoOp(void) |
||
889 | { |
||
890 | return 0; |
||
891 | } |
||
892 | |||
893 | /** |
||
894 | * Create and initialize a new GL dispatch table. The table is initialized |
||
895 | * with GLX indirect rendering protocol functions. |
||
896 | */ |
||
897 | struct _glapi_table * __glXNewIndirectAPI( void ) |
||
898 | { |
||
899 | struct _glapi_table *glAPI; |
||
900 | GLuint entries; |
||
901 | |||
902 | entries = _glapi_get_dispatch_table_size(); |
||
903 | glAPI = (struct _glapi_table *) Xmalloc(entries * sizeof(void *)); |
||
904 | |||
905 | /* first, set all entries to point to no-op functions */ |
||
906 | { |
||
907 | int i; |
||
908 | void **dispatch = (void **) glAPI; |
||
909 | for (i = 0; i < entries; i++) { |
||
910 | dispatch[i] = (void *) NoOp; |
||
911 | } |
||
912 | } |
||
913 | |||
914 | /* now, initialize the entries we understand */""" |
||
915 | |||
916 | def printRealFooter(self): |
||
917 | print """ |
||
918 | return glAPI; |
||
919 | } |
||
920 | """ |
||
921 | return |
||
922 | |||
923 | |||
924 | def printBody(self, api): |
||
925 | for [name, number] in api.categoryIterate(): |
||
926 | if number != None: |
||
927 | preamble = '\n /* %3u. %s */\n\n' % (int(number), name) |
||
928 | else: |
||
929 | preamble = '\n /* %s */\n\n' % (name) |
||
930 | |||
931 | for func in api.functionIterateByCategory(name): |
||
932 | if func.client_supported_for_indirect(): |
||
933 | print '%s glAPI->%s = __indirect_gl%s;' % (preamble, func.name, func.name) |
||
934 | preamble = '' |
||
935 | |||
936 | return |
||
937 | |||
938 | |||
939 | class PrintGlxProtoInit_h(gl_XML.gl_print_base): |
||
940 | def __init__(self): |
||
941 | gl_XML.gl_print_base.__init__(self) |
||
942 | |||
943 | self.name = "glX_proto_send.py (from Mesa)" |
||
944 | self.license = license.bsd_license_template % ( \ |
||
945 | """Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. |
||
946 | (C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM") |
||
947 | self.header_tag = "_INDIRECT_H_" |
||
948 | |||
949 | self.last_category = "" |
||
950 | return |
||
951 | |||
952 | |||
953 | def printRealHeader(self): |
||
954 | print """/** |
||
955 | * \\file |
||
956 | * Prototypes for indirect rendering functions. |
||
957 | * |
||
958 | * \\author Kevin E. Martin |
||
959 | * \\author Ian Romanick |
||
960 | */ |
||
961 | """ |
||
962 | self.printVisibility( "HIDDEN", "hidden" ) |
||
963 | self.printFastcall() |
||
964 | self.printNoinline() |
||
965 | |||
966 | print """ |
||
967 | #include "glxclient.h" |
||
968 | |||
969 | extern HIDDEN NOINLINE CARD32 __glXReadReply( Display *dpy, size_t size, |
||
970 | void * dest, GLboolean reply_is_always_array ); |
||
971 | |||
972 | extern HIDDEN NOINLINE void __glXReadPixelReply( Display *dpy, |
||
973 | struct glx_context * gc, unsigned max_dim, GLint width, GLint height, |
||
974 | GLint depth, GLenum format, GLenum type, void * dest, |
||
975 | GLboolean dimensions_in_reply ); |
||
976 | |||
977 | extern HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupSingleRequest( |
||
978 | struct glx_context * gc, GLint sop, GLint cmdlen ); |
||
979 | |||
980 | extern HIDDEN NOINLINE FASTCALL GLubyte * __glXSetupVendorRequest( |
||
981 | struct glx_context * gc, GLint code, GLint vop, GLint cmdlen ); |
||
982 | """ |
||
983 | |||
984 | |||
985 | def printBody(self, api): |
||
986 | for func in api.functionIterateGlx(): |
||
987 | params = func.get_parameter_string() |
||
988 | |||
989 | print 'extern HIDDEN %s __indirect_gl%s(%s);' % (func.return_type, func.name, params) |
||
990 | |||
991 | for n in func.entry_points: |
||
992 | if func.has_different_protocol(n): |
||
993 | asdf = func.static_glx_name(n) |
||
994 | if asdf not in func.static_entry_points: |
||
995 | print 'extern HIDDEN %s gl%s(%s);' % (func.return_type, asdf, params) |
||
996 | # give it a easy-to-remember name |
||
997 | if func.client_handcode: |
||
998 | print '#define gl_dispatch_stub_%s gl%s' % (n, asdf) |
||
999 | else: |
||
1000 | print 'GLAPI %s GLAPIENTRY gl%s(%s);' % (func.return_type, asdf, params) |
||
1001 | |||
1002 | break |
||
1003 | |||
1004 | |||
1005 | |||
1006 | def show_usage(): |
||
1007 | print "Usage: %s [-f input_file_name] [-m output_mode] [-d]" % sys.argv[0] |
||
1008 | print " -m output_mode Output mode can be one of 'proto', 'init_c' or 'init_h'." |
||
1009 | print " -d Enable extra debug information in the generated code." |
||
1010 | sys.exit(1) |
||
1011 | |||
1012 | |||
1013 | if __name__ == '__main__': |
||
1014 | file_name = "gl_API.xml" |
||
1015 | |||
1016 | try: |
||
1017 | (args, trail) = getopt.getopt(sys.argv[1:], "f:m:d") |
||
1018 | except Exception,e: |
||
1019 | show_usage() |
||
1020 | |||
1021 | debug = 0 |
||
1022 | mode = "proto" |
||
1023 | for (arg,val) in args: |
||
1024 | if arg == "-f": |
||
1025 | file_name = val |
||
1026 | elif arg == "-m": |
||
1027 | mode = val |
||
1028 | elif arg == "-d": |
||
1029 | debug = 1 |
||
1030 | |||
1031 | if mode == "proto": |
||
1032 | printer = PrintGlxProtoStubs() |
||
1033 | elif mode == "init_c": |
||
1034 | printer = PrintGlxProtoInit_c() |
||
1035 | elif mode == "init_h": |
||
1036 | printer = PrintGlxProtoInit_h() |
||
1037 | else: |
||
1038 | show_usage() |
||
1039 | |||
1040 | |||
1041 | printer.debug = debug |
||
1042 | api = gl_XML.parse_GL_API( file_name, glX_XML.glx_item_factory() ) |
||
1043 | |||
1044 | printer.Print( api )>=>=>>>>>>> |