Mercurial > games > semicongine
annotate svk/generate.nim @ 1483:55911f736a5a
add: more shit
| author | sam <sam@basx.dev> |
|---|---|
| date | Tue, 29 Apr 2025 00:17:33 +0700 |
| parents | bca8f65ed4ed |
| children | a2af327f19df |
| rev | line source |
|---|---|
| 1479 | 1 import std/strtabs |
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2 import std/syncio |
| 1479 | 3 import std/xmltree |
| 4 import std/tables | |
| 5 import std/options | |
| 6 import std/sequtils | |
| 7 import std/strutils | |
| 8 import std/strformat | |
| 9 import std/xmlparser | |
| 10 import std/os | |
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11 import std/osproc |
| 1479 | 12 import std/paths |
| 13 | |
| 14 # helpers | |
| 15 func smartParseInt(value: string): int = | |
| 16 if value.startsWith("0x"): | |
| 17 parseHexInt(value) | |
| 18 else: | |
| 19 parseInt(value) | |
| 20 | |
| 21 const TYPEMAP = { | |
| 22 "void": "void", | |
| 23 "char": "char", | |
| 24 "float": "float32", | |
| 25 "double": "float64", | |
| 26 "int8_t": "int8", | |
| 27 "uint8_t": "uint8", | |
| 28 "int16_t": "int16", | |
| 29 "uint16_t": "uint16", | |
| 30 "int32_t": "int32", | |
| 31 "uint32_t": "uint32", | |
| 32 "uint64_t": "uint64", | |
| 33 "int64_t": "int64", | |
| 34 "size_t": "csize_t", | |
| 35 "int": "cint", | |
| 36 }.toTable | |
| 37 # load xml | |
| 38 let xml = (system.currentSourcePath.parentDir() / "vk.xml").loadXml() | |
| 39 let platforms = xml.findAll("platforms")[0] | |
| 40 let types = xml.findAll("types")[0] | |
| 41 let xmlenums = xml.findAll("enums") | |
| 42 let commands = xml.findAll("commands")[0] | |
| 43 let features = xml.findAll("feature") # features has extends="<ENUM>" | |
| 44 let extensions = xml.findAll("extensions")[0] # extensions has extends="<ENUM>" | |
| 45 let formats = xml.findAll("formats")[0] | |
| 46 | |
| 47 # gather all enums | |
| 48 | |
| 49 type | |
| 50 EnumEntry = object | |
| 51 name: string | |
| 52 value: string | |
| 53 | |
| 54 EnumDef = object | |
| 55 name: string | |
| 56 values: seq[EnumEntry] | |
| 57 isBitmask: bool | |
| 58 | |
| 59 ConstantDef = object | |
| 60 name: string | |
| 61 datatype: string | |
| 62 value: string | |
| 63 | |
| 64 var consts: seq[ConstantDef] | |
| 65 var enums: Table[string, EnumDef] | |
| 66 | |
| 67 func addValue(edef: var EnumDef, n: XmlNode) = | |
| 68 if n.attr("deprecated") != "aliased" and n.attr("alias") == "": | |
| 69 if n.attr("name") in edef.values.mapIt(it.name): | |
| 70 return | |
| 71 | |
| 72 var value = "" | |
| 73 if n.attr("value") != "": | |
| 74 value = n.attr("value") | |
| 75 elif n.attr("bitpos") != "": | |
| 76 value = $(1 shl parseInt(n.attr("bitpos"))) | |
| 77 elif n.attr("offset") != "": | |
| 78 var enumBase = 1000000000 | |
| 79 if n.attr("extnumber") != "": | |
| 80 enumBase += (smartParseInt(n.attr("extnumber")) - 1) * 1000 | |
| 81 var v = smartParseInt(n.attr("offset")) + enumBase | |
| 82 if n.attr("dir") == "-": | |
| 83 v = -v | |
| 84 value = $(v) | |
| 85 | |
| 1482 | 86 if value notin edef.values.mapIt(it.value): |
| 87 edef.values.add EnumEntry(name: n.attr("name"), value: value) | |
| 1479 | 88 |
| 1481 | 89 func doTypename(typename: string, isPointer: bool): string = |
| 90 result = TYPEMAP.getOrDefault(typename.strip(), typename.strip()).strip(chars = {'_'}) | |
| 91 | |
| 92 if typename == "void": | |
| 93 assert isPointer | |
| 94 | |
| 95 if isPointer: | |
| 96 if typename == "void": | |
| 97 result = "pointer" | |
| 98 elif typename == "char": | |
| 99 result = "cstring" | |
| 100 else: | |
| 101 result = "ptr " & result | |
| 102 | |
| 103 func doIdentifier(typename: string): string = | |
| 104 if typename in ["type", "object"]: | |
| 105 return &"`{typename}`" | |
| 106 return typename.strip() | |
| 107 | |
| 108 func doMember(typename, theType: string, isPointer: bool, value: string): string = | |
| 109 if value == "": | |
| 110 &"{doIdentifier(typename)}: {doTypename(theType, isPointer)}" | |
| 111 else: | |
| 112 &"{doIdentifier(typename)}: {doTypename(theType, isPointer)} = {value}" | |
| 113 | |
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114 func memberDecl(n: XmlNode): string = |
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115 for i in 0 ..< n.len: |
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116 if n[i].kind == xnElement and n[i].tag == "comment": |
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117 n.delete(i) |
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118 break |
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119 assert n.tag == "member" |
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120 if n.len == 2: |
| 1481 | 121 return doMember(n[1][0].text, n[0][0].text, false, n.attr("values")) |
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122 elif n.len == 3: |
| 1481 | 123 assert "*" notin n[0][0].text.strip() |
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124 if n[1].kind == xnElement and n[1].tag == "name": |
| 1481 | 125 # bitfield |
| 126 if n[2].text.strip().startsWith(":"): | |
| 127 return | |
| 128 &"{doIdentifier(n[1][0].text)} {{.bitsize:{n[2].text.strip()[1 .. ^1]}.}}: {doTypename(n[0][0].text, false)}" | |
| 129 # array definition | |
| 130 elif n[2].text.strip().startsWith("["): | |
| 131 let arrayDim = n[2].text[1 ..< ^1] | |
| 132 if "][" in arrayDim: | |
| 133 let dims = arrayDim.split("][", 1) | |
| 134 let (dim1, dim2) = (dims[0], dims[1]) | |
| 135 return doMember( | |
| 136 n[1][0].text, | |
| 137 &"array[{dim1}, array[{dim2}, {doTypename(n[0][0].text, false)}]]", | |
| 138 false, | |
| 139 n.attr("values"), | |
| 140 ) | |
| 141 else: | |
| 142 return doMember( | |
| 143 n[1][0].text, | |
| 144 &"array[{arrayDim}, {doTypename(n[0][0].text, false)}]", | |
| 145 false, | |
| 146 n.attr("values"), | |
| 147 ) | |
| 148 else: | |
| 149 debugecho n.toSeq | |
| 150 doAssert false, "This should not happen" | |
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151 else: |
| 1481 | 152 # pointer definition |
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153 assert n[1].text.strip() == "*" |
| 1481 | 154 return doMember(n[2][0].text, n[0][0].text, true, n.attr("values")) |
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155 elif n.len == 4: |
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156 if n[0].text.strip() in ["struct", "const struct"]: |
| 1481 | 157 return doMember(n[3][0].text, n[1][0].text, true, n.attr("values")) |
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158 else: |
| 1481 | 159 assert n[0].text.strip() == "const" # can be ignored |
| 160 assert n[1].tag == "type" | |
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161 assert n[2].text.strip() in ["*", "* const *", "* const*"] |
| 1481 | 162 # can be ignored, basically every type is a pointer |
| 163 assert n[3].tag == "name" | |
| 164 assert n[1].len == 1 | |
| 165 assert n[3].len == 1 | |
| 166 return doMember(n[3][0].text, n[1][0].text, true, n.attr("values")) | |
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167 elif n.len in [5, 6]: |
| 1481 | 168 # array definition, using const-value for array length |
| 169 # <type>uint8_t</type>,<name>pipelineCacheUUID</name>[<enum>VK_UUID_SIZE</enum>] | |
| 170 assert n[2].text.strip() == "[" | |
| 171 assert n[4].text.strip() == "]" | |
| 172 return doMember( | |
| 173 n[1][0].text, | |
| 174 &"array[{n[3][0].text}, {doTypename(n[0][0].text, false)}]", | |
| 175 false, | |
| 176 n.attr("values"), | |
| 177 ) | |
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178 assert false |
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179 |
| 1479 | 180 for e in xmlenums: |
| 181 if e.attr("type") == "constants": | |
| 182 for c in e.findAll("enum"): | |
| 183 var value = c.attr("value").strip(chars = {'(', ')'}) | |
| 184 consts.add ConstantDef( | |
| 185 name: c.attr("name"), datatype: TYPEMAP[c.attr("type")], value: value | |
| 186 ) | |
| 187 elif e.attr("type") == "enum": | |
| 188 var edef = EnumDef(name: e.attr("name"), isBitmask: false) | |
| 189 for ee in e.findAll("enum"): | |
| 190 edef.addValue(ee) | |
| 191 enums[edef.name] = edef | |
| 192 elif e.attr("type") == "bitmask": | |
| 193 var edef = EnumDef(name: e.attr("name"), isBitmask: true) | |
| 194 for ee in e.findAll("enum"): | |
| 195 edef.addValue(ee) | |
| 196 enums[edef.name] = edef | |
| 197 | |
| 198 for f in features: | |
| 199 for extendenum in f.findAll("enum"): | |
| 200 if extendenum.attr("extends") != "": | |
| 201 enums[extendenum.attr("extends")].addValue(extendenum) | |
| 202 | |
| 203 for extension in extensions.findAll("extension"): | |
| 204 let extNum = extension.attr("number") | |
| 205 for extendenum in extension.findAll("enum"): | |
| 206 if extendenum.attr("extends") != "": | |
| 207 if extendenum.attr("extnumber") == "": | |
| 208 extendenum.attrs["extnumber"] = extNum | |
| 209 enums[extendenum.attr("extends")].addValue(extendenum) | |
| 210 | |
| 1481 | 211 let outPath = (system.currentSourcePath.parentDir() / "vkapi.nim") |
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212 let outFile = open(outPath, fmWrite) |
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213 |
| 1479 | 214 # generate core types =============================================================================== |
| 215 # preamble, much easier to hardcode than to generate from xml | |
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216 outFile.writeLine """ |
| 1481 | 217 |
| 218 import ../semicongine/thirdparty/winim/winim/inc/winbase | |
| 219 import ../semicongine/thirdparty/winim/winim/inc/windef | |
| 220 import ../semicongine/thirdparty/x11/xlib | |
| 221 import ../semicongine/thirdparty/x11/x | |
| 222 import ../semicongine/thirdparty/x11/xrandr | |
| 223 | |
| 1479 | 224 func VK_MAKE_API_VERSION*( |
| 225 variant: uint32, major: uint32, minor: uint32, patch: uint32 | |
| 226 ): uint32 {.compileTime.} = | |
| 227 (variant shl 29) or (major shl 22) or (minor shl 12) or patch | |
| 228 """ | |
| 229 | |
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230 outFile.writeLine "type" |
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231 outFile.writeLine """ |
| 1481 | 232 # some unused native types |
| 233 # | |
| 234 # android | |
| 235 ANativeWindow = object | |
| 236 AHardwareBuffer = object | |
| 237 | |
| 1483 | 238 # apple/metal |
| 1481 | 239 CAMetalLayer = object |
| 240 MTLSharedEvent_id = object | |
| 1483 | 241 MTLDevice_id = object |
| 242 MTLCommandQueue_id = object | |
| 243 MTLBuffer_id = object | |
| 244 MTLTexture_id = object | |
| 245 IOSurfaceRef = object | |
| 1481 | 246 |
| 247 # wayland | |
| 248 wl_display = object | |
| 249 wl_surface = object | |
| 250 | |
| 251 # XCB | |
| 252 xcb_connection_t = object | |
| 253 xcb_window_t = object | |
| 254 xcb_visualid_t = object | |
| 255 | |
| 256 # directfb | |
| 257 IDirectFB = object | |
| 258 IDirectFBSurface = object | |
| 259 | |
| 260 # Zircon | |
| 261 zx_handle_t = object | |
| 262 | |
| 263 # GGP C | |
| 264 GgpStreamDescriptor = object | |
| 265 GgpFrameToken = object | |
| 266 | |
| 267 # Screen (nintendo switch?) | |
| 268 screen_context = object | |
| 269 screen_window = object | |
| 270 screen_buffer = object | |
| 271 | |
| 272 # Nvidia | |
| 273 NvSciSyncAttrList = object | |
| 274 NvSciSyncObj = object | |
| 275 NvSciSyncFence = object | |
| 276 NvSciBufAttrList = object | |
| 277 NvSciBufObj = object | |
| 278 | |
| 279 # some base vulkan base types | |
| 1483 | 280 VkSampleMask* = distinct uint32 |
| 281 VkBool32* = distinct uint32 | |
| 282 VkFlags* = distinct uint32 | |
| 283 VkFlags64* = distinct uint64 | |
| 284 VkDeviceSize* = distinct uint64 | |
| 285 VkDeviceAddress* = distinct uint64 | |
| 286 VkRemoteAddressNV* = pointer | |
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287 """ |
| 1479 | 288 |
| 289 # generate consts =============================================================================== | |
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290 outFile.writeLine "const" |
| 1479 | 291 for c in consts: |
| 292 var value = c.value | |
| 293 if value.endsWith("U"): | |
| 294 value = value[0 ..^ 2] & "'u32" | |
| 295 elif value.endsWith("ULL"): | |
| 296 value = value[0 ..^ 4] & "'u64" | |
| 297 if value[0] == '~': | |
| 298 value = "not " & value[1 ..^ 1] | |
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299 outFile.writeLine &" {c.name}*: {c.datatype} = {value}" |
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300 outFile.writeLine "" |
| 1479 | 301 |
| 302 # generate enums =============================================================================== | |
| 1481 | 303 const nameCollisions = [ |
| 304 "VK_PIPELINE_CACHE_HEADER_VERSION_ONE", | |
| 305 "VK_PIPELINE_CACHE_HEADER_VERSION_SAFETY_CRITICAL_ONE", | |
| 306 "VK_DEVICE_FAULT_VENDOR_BINARY_HEADER_VERSION_ONE_EXT", | |
| 307 ] | |
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308 outFile.writeLine "type" |
| 1482 | 309 |
| 1479 | 310 for edef in enums.values(): |
| 311 if edef.values.len > 0: | |
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312 outFile.writeLine &" {edef.name}* {{.size: 4.}} = enum" |
| 1479 | 313 for ee in edef.values: |
| 1481 | 314 # due to the nim identifier-system, there might be collisions between typenames and enum-member names |
| 315 if ee.name in nameCollisions: | |
| 316 outFile.writeLine &" {ee.name}_VALUE = {ee.value}" | |
| 317 else: | |
| 318 outFile.writeLine &" {ee.name} = {ee.value}" | |
| 319 | |
| 320 outFile.writeLine "" | |
| 321 | |
| 322 # generate types =============================================================================== | |
| 323 for t in types: | |
| 324 let category = t.attr("category") | |
| 1483 | 325 let tName = t.attr("name") |
| 326 if tName.startsWith("VkVideo"): # we are not doing the video API, sorry | |
| 327 continue | |
| 328 if tName.startsWith("VkPhysicalDeviceVideo"): # we are not doing the video API, sorry | |
| 329 continue | |
| 1481 | 330 if t.attr("api") == "vulkansc": |
| 331 continue | |
| 332 elif t.attr("deprecated") == "true": | |
| 333 continue | |
| 334 elif category == "include": | |
| 335 continue | |
| 336 elif category == "define": | |
| 337 continue | |
| 338 elif t.attr("requires").startsWith("vk_video"): | |
| 339 continue | |
| 340 elif t.attr("alias") != "": | |
| 341 let a = t.attr("alias") | |
| 1483 | 342 outFile.writeLine &" {tName}* = {a}" |
| 1481 | 343 elif category == "bitmask": |
| 344 if t.len > 0 and t[0].text.startsWith("typedef"): | |
| 1483 | 345 outFile.writeLine &" {t[2][0].text}* = distinct {t[1][0].text}" |
| 1481 | 346 elif category == "union": |
| 1483 | 347 outFile.writeLine &" {tName}* {{.union.}} = object" |
| 1481 | 348 for member in t.findAll("member"): |
| 349 outFile.writeLine &" {member.memberDecl()}" | |
| 350 elif category == "handle": | |
| 1483 | 351 outFile.writeLine &" {t[2][0].text}* = distinct pointer" |
| 1481 | 352 elif category == "struct": |
| 1483 | 353 outFile.writeLine &" {tName}* = object" |
| 1481 | 354 for member in t.findAll("member"): |
| 355 if member.attr("api") == "vulkansc": | |
| 356 continue | |
| 357 outFile.writeLine &" {member.memberDecl()}" | |
| 358 elif category == "funcpointer": | |
| 359 #[ | |
| 360 <type category="funcpointer">typedef void* (VKAPI_PTR *<name>PFN_vkAllocationFunction</name>)( | |
| 361 <type>void</type>* pUserData, | |
| 362 <type>size_t</type> size, | |
| 363 <type>size_t</type> alignment, | |
| 364 <type>VkSystemAllocationScope</type> allocationScope); | |
| 365 </type> | |
| 366 ]# | |
| 367 assert t[0].text.startsWith("typedef ") | |
| 1483 | 368 let retName = t[0].text[8 ..< ^13].strip() |
| 369 let funcName = t.findAll("name")[0][0].text | |
| 370 | |
| 371 outFile.write &" {funcname}* = proc(" | |
| 372 for i in 3 ..< t.len: | |
| 373 # TODO: params | |
| 374 | |
| 375 if retName == "void" | |
| 376 outFile.writeLine &") {{.cdecl.}}" | |
| 377 elif retName == "void*" | |
| 378 outFile.writeLine &"): pointer {{.cdecl.}}" | |
| 379 else: | |
| 380 outFile.writeLine &"): {doTypename(retName, false)} {{.cdecl.}}" | |
| 381 | |
| 1481 | 382 else: |
| 383 doAssert category in ["", "basetype", "enum"], "unknown type category: " & category | |
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384 outFile.writeLine "" |
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385 |
| 1483 | 386 for command in commands: |
| 387 #[ | |
| 388 <command successcodes="VK_SUCCESS" errorcodes="VK_ERROR_OUT_OF_HOST_MEMORY,VK_ERROR_OUT_OF_DEVICE_MEMORY,VK_ERROR_INITIALIZATION_FAILED,VK_ERROR_LAYER_NOT_PRESENT,VK_ERROR_EXTENSION_NOT_PRESENT,VK_ERROR_INCOMPATIBLE_DRIVER"> | |
| 389 <proto> | |
| 390 <type>VkResult</type> | |
| 391 <name>vkCreateInstance</name> | |
| 392 </proto> | |
| 393 <param>const <type>VkInstanceCreateInfo</type>* <name>pCreateInfo</name></param> | |
| 394 <param optional="true">const <type>VkAllocationCallbacks</type>* <name>pAllocator</name></param> | |
| 395 <param><type>VkInstance</type>* <name>pInstance</name></param> | |
| 396 </command> | |
| 397 ]# | |
| 398 if command.attr("api") == "vulkansc": | |
| 399 continue | |
| 400 if command.attr("alias") != "": | |
| 401 let funcName = command.attr("name") | |
| 402 let funcAlias = command.attr("alias") | |
| 403 outFile.write &"var {funcName}* = {funcAlias}\n" | |
| 404 continue | |
| 405 | |
| 406 let proto = command.findAll("proto")[0] | |
| 407 let retType = proto.findAll("type")[0][0].text.strip() | |
| 408 let funcName = proto.findAll("name")[0][0].text.strip() | |
| 409 | |
| 410 if "Video" in funcName: # Video API not supported at this time | |
| 411 continue | |
| 412 | |
| 413 outFile.write &"var {funcName}*: proc(" | |
| 414 for param in command: | |
| 415 if param.tag != "param": | |
| 416 continue | |
| 417 if param.attr("api") == "vulkansc": | |
| 418 continue | |
| 419 assert param.len in [2, 3, 4] | |
| 420 let paramType = param.findAll("type")[0][0].text | |
| 421 let paramName = param.findAll("name")[0][0].text | |
| 422 assert "*" notin paramType, $param | |
| 423 if paramType == "void": | |
| 424 outFile.write &"{doIdentifier(paramName)}: {doTypename(paramType, true)}, " | |
| 425 else: | |
| 426 outFile.write &"{doIdentifier(paramName)}: {doTypename(paramType, false)}, " | |
| 427 | |
| 428 outFile.write &")" | |
| 429 if retType != "void": | |
| 430 assert "*" notin retType | |
| 431 outFile.write &": {doTypename(retType, false)}" | |
| 432 outFile.write " {.stdcall.}\n" | |
|
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433 |
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434 outFile.close() |
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435 |
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436 assert execCmd("nim c " & outPath) == 0 |