package require Tcl 8.5
set license {
/*
Copyright (c) 2008, 2009 Apple Inc.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name(s) of the above
copyright holders shall not be used in advertising or otherwise to
promote the sale, use or other dealings in this Software without
prior written authorization.
*/
}
proc extension name {
global extensions
set extensions($name) 1
}
proc alias {from to} {
global aliases
set aliases($from) $to
}
proc promoted name {
global promoted
set promoted($name) 1
}
proc noop name {
global noop
set noop($name) 1
}
set dir [file dirname [info script]]
source [file join $dir GL_extensions]
source [file join $dir GL_aliases]
source [file join $dir GL_promoted]
source [file join $dir GL_noop]
proc is-extension-supported? name {
global extensions
return [info exists extensions($name)]
}
array set typemap {
void void
List GLuint
Mode GLenum
CheckedFloat32 GLfloat
CheckedInt32 GLint
Float32 GLfloat
Int32 GLint
Int64 GLint64EXT
UInt64 GLuint64EXT
Float64 GLdouble
ListMode GLuint
SizeI GLsizei
ListNameType GLenum
Void void
BeginMode GLenum
CoordF GLfloat
UInt8 GLubyte
Boolean GLboolean
ColorIndexValueD GLdouble
ColorB GLbyte
ColorD GLdouble
ColorF GLfloat
ColorI GLint
ColorS GLshort
ColorUB GLubyte
ColorUI GLuint
ColorUS GLushort
ColorIndexValueF GLfloat
ColorIndexValueI GLint
ColorIndexValueS GLshort
Int8 GLbyte
CoordD GLdouble
Int16 GLshort
CoordI GLint
CoordS GLshort
ClipPlaneName GLenum
MaterialFace GLenum
ColorMaterialParameter GLenum
CullFaceMode GLenum
FogParameter GLenum
FrontFaceDirection GLenum
HintTarget GLenum
HintMode GLenum
LightName GLenum
LightParameter GLenum
LightModelParameter GLenum
LineStipple GLushort
MaterialParameter GLenum
PolygonMode GLenum
WinCoord GLint
ShadingModel GLenum
TextureTarget GLenum
TextureParameterName GLenum
TextureComponentCount GLenum
PixelFormat GLenum
PixelType GLenum
TextureEnvTarget GLenum
TextureEnvParameter GLenum
TextureCoordName GLenum
TextureGenParameter GLenum
FeedbackType GLenum
FeedbackElement GLfloat
SelectName GLuint
RenderingMode GLenum
DrawBufferMode GLenum
ClearBufferMask GLbitfield
MaskedColorIndexValueF GLfloat
ClampedColorF GLclampf
StencilValue GLint
ClampedFloat64 GLclampd
MaskedStencilValue GLuint
MaskedColorIndexValueI GLuint
AccumOp GLenum
EnableCap GLenum
AttribMask GLbitfield
MapTarget GLenum
MeshMode1 GLenum
MeshMode2 GLenum
AlphaFunction GLenum
ClampedFloat32 GLclampf
BlendingFactorSrc GLenum
BlendingFactorDest GLenum
LogicOp GLenum
StencilFunction GLenum
ClampedStencilValue GLint
MaskedStencilValue GLuint
StencilOp GLenum
DepthFunction GLenum
PixelTransferParameter GLenum
PixelStoreParameter GLenum
PixelMap GLenum
UInt32 GLuint
UInt16 GLushort
ReadBufferMode GLenum
PixelCopyType GLenum
GetPName GLenum
ErrorCode GLenum
GetMapQuery GLenum
String "const GLubyte *"
StringName GLenum
GetTextureParameter GLenum
MatrixMode GLenum
ColorPointerType GLenum
DrawElementsType GLenum
GetPointervPName GLenum
VoidPointer "void *"
IndexPointerType GLenum
InterleavedArrayFormat GLenum
NormalPointerType GLenum
TexCoordPointerType GLenum
VertexPointerType GLenum
PixelInternalFormat GLenum
Texture GLuint
ColorIndexValueUB GLubyte
ClientAttribMask GLbitfield
BlendEquationMode GLenum
ColorTableTarget GLenum
ColorTableParameterPName GLenum
GetColorTableParameterPName GLenum
ConvolutionTarget GLenum
ConvolutionParameter GLenum
GetConvolutionParameterPName GLenum
SeparableTarget GLenum
HistogramTarget GLenum
GetHistogramParameterPName GLenum
MinmaxTarget GLenum
GetMinmaxParameterPName GLenum
TextureTarget GLenum
TextureUnit GLenum
CompressedTextureARB "void"
BlendFuncSeparateParameterEXT GLenum
FogPointerTypeEXT GLenum
PointParameterNameARB GLenum
GLenum GLenum
BufferTargetARB GLenum
ConstUInt32 "const GLuint"
BufferSize GLsizeiptr
ConstVoid "const GLvoid"
BufferUsageARB GLenum
BufferOffset GLintptr
BufferAccessARB GLenum
BufferPNameARB GLenum
BufferPointerNameARB GLenum
BlendEquationModeEXT GLenum
DrawBufferModeATI GLenum
StencilFaceDirection GLenum
Char GLchar
VertexAttribPropertyARB GLenum
VertexAttribPointerPropertyARB GLenum
CharPointer "GLchar *"
VertexAttribPointerTypeARB GLenum
ClampColorTargetARB unknown3.0
ClampColorModeARB unknown3.0
VertexAttribEnum GLenum
VertexAttribEnumNV GLenum
DrawBufferName unknown3.0
WeightPointerTypeARB GLenum
ProgramTargetARB GLenum
ProgramFormatARB GLenum
ProgramStringPropertyARB GLenum
BufferSizeARB GLsizeiptrARB
BufferOffsetARB GLintptrARB
handleARB GLhandleARB
charPointerARB "GLcharARB *"
charARB GLcharARB
RenderbufferTarget GLenum
FramebufferTarget GLenum
FramebufferAttachment GLenum
BinormalPointerTypeEXT GLenum
HintTargetPGI GLenum
ProgramParameterPName GLenum
ProgramPropertyARB GLenum
ElementPointerTypeATI GLenum
FenceNV GLuint
FenceConditionNV GLenum
ObjectTypeAPPLE GLenum
VertexArrayPNameAPPLE GLenum
SeparableTargetEXT GLenum
ColorTableTargetSGI GLenum
ColorTableParameterPNameSGI GLenum
CombinerOutputNV GLenum
CombinerStageNV GLenum
CombinerPortionNV GLenum
CombinerRegisterNV GLenum
CombinerScaleNV GLenum
CombinerBiasNV GLenum
CombinerComponentUsageNV GLenum
CombinerMappingNV GLenum
CombinerParameterNV GLenum
CombinerVariableNV GLenum
ConvolutionParameterEXT GLenum
ConvolutionTargetEXT GLenum
CullParameterEXT GLenum
FenceParameterNameNV GLenum
FragmentLightModelParameterSGIX GLenum
FragmentLightNameSGIX GLenum
FragmentLightParameterSGIX GLenum
GetColorTableParameterPNameSGI GLenum
GetHistogramParameterPNameEXT GLenum
GetMinmaxParameterPNameEXT GLenum
HistogramTargetEXT GLenum
LightEnvParameterSGIX GLenum
MinmaxTargetEXT GLenum
PNTrianglesPNameATI GLenum
ProgramCharacterNV GLubyte
SamplePatternEXT GLenum
SamplePatternSGIS GLenum
TypeEnum GLenum
}
proc psplit s {
set r [list]
set token ""
foreach c [split $s ""] {
if {[string is space -strict $c]} {
if {[string length $token]} {
lappend r $token
}
set token ""
} else {
append token $c
}
}
if {[string length $token]} {
lappend r $token
}
return $r
}
proc is-extension? str {
if {[string is upper [string index $str end]]
&& [string is upper [string index $str end-1]]} {
return 1
}
return 0
}
proc parse {data arvar} {
upvar 1 $arvar ar
set state ""
set name ""
foreach line [split $data \n] {
if {"attr" eq $state} {
if {[string match "\t*" $line]} {
set plist [psplit [lindex [split $line "#"] 0]]
set master $ar($name)
set param [dict get $master parameters]
switch -- [llength $plist] {
1 {
dict set master [lindex $plist 0] ""
}
2 {
set key [lindex $plist 0]
set value [lindex $plist 1]
dict set master $key $value
}
default {
set key [lindex $plist 0]
if {"param" eq $key} {
lappend param [list [lindex $plist 1] [lindex $plist 2] [lindex $plist 3] [lindex $plist 4]]
} else {
dict set master $key [lrange $plist 1 end]
}
}
}
dict set master parameters $param
set ar($name) $master
} else {
set state ""
}
} elseif {[regexp {^([A-Z_a-z0-9]+)\((.*)\)\S*} $line all name argv] > 0} {
set newargv [list]
foreach a [split $argv ,] {
lappend newargv [string trim $a]
}
set d [dict create name $name arguments $newargv \
parameters [dict create]]
set ar($name) $d
set state attr
}
}
}
proc is-valid-category? c {
set clist [list display-list drawing drawing-control feedback framebuf misc modeling pixel-op pixel-rw state-req xform VERSION_1_0 VERSION_1_0_DEPRECATED VERSION_1_1 VERSION_1_1_DEPRECATED VERSION_1_2 VERSION_1_2_DEPRECATED VERSION_1_3 VERSION_1_3_DEPRECATED VERSION_1_4 VERSION_1_4_DEPRECATED VERSION_1_5 VERSION_2_0 VERSION_2_1 VERSION_3_0 VERSION_3_0_DEPRECATED VERSION_3_1 VERSION_3_2]
set result [expr {$c in $clist}]
if {!$result} {
set result [is-extension-supported? $c]
}
return $result
}
proc translate-parameters {func parameters} {
global typemap
set newparams [list]
foreach p $parameters {
set var [lindex $p 0]
set ptype [lindex $p 1]
if {![info exists typemap($ptype)]} {
set ::missingTypes($ptype) $func
continue
}
set type $typemap($ptype)
if {("MultiDrawArrays" eq $func) && ("first" eq $var)} {
set final_type "const $type *"
} elseif {("MultiDrawArrays" eq $func) && ("count" eq $var)} {
set final_type "const $type *"
} elseif {"array" eq [lindex $p 3]} {
if {"in" eq [lindex $p 2]} {
set final_type "const $type *"
} else {
set final_type "$type *"
}
} else {
set final_type $type
}
lappend newparams [list $final_type $var]
}
return $newparams
}
proc api-new-entry {info func} {
global typemap
set master [dict create]
set rettype [dict get $info return]
if {![info exists typemap($rettype)]} {
set ::missingTypes($rettype) $func
} else {
dict set master return $typemap($rettype)
}
dict set master parameters [translate-parameters $func \
[dict get $info parameters]]
return $master
}
proc main {argc argv} {
global extensions typemap aliases promoted noop
set fd [open [lindex $argv 0] r]
set data [read $fd]
close $fd
array set ar {}
parse $data ar
array set newapi {}
array set missingTypes {}
foreach {key value} [array get ar] {
puts "KEY:$key VALUE:$value"
set category [dict get $value category]
set valid [is-valid-category? $category]
puts VALID:$valid
if {!$valid} {
continue
}
puts "VALID:$key"
if {"BlitFramebuffer" eq $key} {
set key BlitFramebufferEXT
}
if {"ARB_framebuffer_object" eq $category} {
if {![string match *EXT $key]} {
append key EXT
}
}
set newapi($key) [api-new-entry $value $key]
}
foreach {func value} [array get ar] {
if {![info exists promoted([dict get $value category])]} {
continue
}
if {[dict exists $value alias]} {
set alias [dict get $value alias]
if {[info exists newapi($alias)] && ![info exists newapi($func)]} {
puts "HAVE:$key ALIAS:$alias"
set master [api-new-entry $value $func]
dict set master alias_for $alias
set newapi($func) $master
}
}
}
parray noop
foreach {func value} [array get ar] {
if {[info exists noop([dict get $value category])]} {
if {[info exists newapi($func)]} {
puts stderr "$func shouldn't be a noop"
exit 1
}
set master [api-new-entry $value $func]
dict set master noop 1
set newapi($func) $master
}
}
parray newapi
if {[array size ::missingTypes]} {
parray ::missingTypes
return 1
}
foreach {from to} [array get aliases] {
set d $newapi($to)
dict set d alias_for $to
set newapi($from) $d
}
array set validapi {}
foreach line [split [exec nm -j -g /System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib] \n] {
set fn [string trim $line]
if {[string match _gl* $fn]} {
set finalfn [string range $fn 3 end]
puts FINALFN:$finalfn
set validapi($finalfn) $finalfn
}
}
puts "Correcting the API functions to match the OpenGL framework."
foreach fn [array names newapi] {
if {![info exists validapi($fn)]} {
puts "WARNING: libGL.dylib lacks support for: $fn"
if {[dict exists $newapi($fn) noop]
&& [dict get $newapi($fn) noop]} {
continue
}
if {[dict exists $newapi($fn) alias_for]} {
set alias [dict get $newapi($fn) alias_for]
if {![info exists validapi($alias)]} {
puts "WARNING: alias function doesn't exist for $fn."
puts "The alias is $alias."
puts "unsetting $fn"
unset newapi($fn)
}
} else {
puts "unsetting $fn"
unset newapi($fn)
}
}
}
foreach fn [array names validapi] {
if {![info exists newapi($fn)]} {
puts "AppleSGLX is missing $fn"
}
}
puts "NOW GENERATING:[lindex $::argv 1]"
set fd [open [lindex $::argv 1] w]
set sorted [lsort -dictionary [array names newapi]]
foreach f $sorted {
set attr $newapi($f)
set pstr ""
foreach p [dict get $attr parameters] {
append pstr "[lindex $p 0] [lindex $p 1], "
}
set pstr [string trimright $pstr ", "]
puts $fd "[dict get $attr return] gl[set f]($pstr); "
}
close $fd
if {$::argc == 3} {
puts "NOW GENERATING:[lindex $::argv 2]"
set fd [open [lindex $::argv 2] w]
puts $fd [array get newapi]
close $fd
}
return 0
}
exit [main $::argc $::argv]