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<!ELEMENT OpenGLAPI (category+)>
<!ELEMENT category (type*, enum*, function*)*>
<!ELEMENT type EMPTY>
<!ELEMENT enum (size*)>
<!ELEMENT size EMPTY>
<!ELEMENT function (param*, return?, glx?)*>
<!ELEMENT param EMPTY>
<!ELEMENT return EMPTY>
<!ELEMENT glx EMPTY>
<!ATTLIST category name NMTOKEN #REQUIRED
number NMTOKEN #IMPLIED>
<!ATTLIST type name NMTOKEN #REQUIRED
size NMTOKEN #REQUIRED
glx_name NMTOKEN #IMPLIED>
<!ATTLIST enum name NMTOKEN #REQUIRED
count CDATA #IMPLIED
value NMTOKEN #REQUIRED>
<!ATTLIST function name NMTOKEN #REQUIRED
alias NMTOKEN #IMPLIED
offset CDATA #IMPLIED
vectorequiv NMTOKEN #IMPLIED>
<!ATTLIST size name NMTOKEN #REQUIRED
count NMTOKEN #IMPLIED
mode (get | set) "set">
<!ATTLIST param name NMTOKEN #REQUIRED
type CDATA #REQUIRED
count NMTOKEN #IMPLIED
counter (true | false) "false"
count_scale NMTOKEN "1"
output (true | false) "false"
img_width NMTOKEN #IMPLIED
img_height NMTOKEN #IMPLIED
img_depth NMTOKEN #IMPLIED
img_extent NMTOKEN #IMPLIED
img_xoff NMTOKEN #IMPLIED
img_yoff NMTOKEN #IMPLIED
img_zoff NMTOKEN #IMPLIED
img_woff NMTOKEN #IMPLIED
img_format NMTOKEN #IMPLIED
img_type NMTOKEN #IMPLIED
img_target NMTOKEN #IMPLIED
img_send_null (true | false) "false"
img_null_flag (true | false) "false"
img_pad_dimensions (true | false) "false"
variable_param NMTOKENS #IMPLIED>
<!ATTLIST return type CDATA "void">
<!ATTLIST glx rop NMTOKEN #IMPLIED
sop NMTOKEN #IMPLIED
vendorpriv NMTOKEN #IMPLIED
large (true | false) "false"
doubles_in_order (true | false) "false"
always_array (true | false) "false"
handcode (true | false | client | server) "false"
img_reset NMTOKEN #IMPLIED
dimensions_in_reply (true | false) "false"
ignore (true | false) "false">
<!--
The various attributes for param and glx have the meanings listed below.
When adding new functions, please annote them correctly. In most cases this
will just mean adding a '<glx ignore="true"/>' tag.
param:
name - name of the parameter
type - fully qualified type (e.g., with "const", etc.)
count - for counted arrays (e.g., the 'lists' parameter to glCallLists),
the parameter or literal that represents the count. For functions
like glVertex3fv it will be a litteral, for others it will be one of
the parameters.
counter - this parameter is a counter that will be referenced by the
'count' attribute in another parameter.
count_scale - literal value scale factor for the 'count' attribute.
See ProgramParameters4dvNV for an example.
output - this parameter is used to store the output of the function.
variable_param - name of parameter used to determine the number of
elements referenced by this parameter. This should be the name of a
single enum parameter. Most of the gl*Parameter[if]v functions use
this. Additionally, the enums that can be passed should be properly
annotated.
img_width / img_height / img_depth / img_extent - name of parameters
(or hardcoded integer) used for the dimensions of pixel data.
img_xoff / img_yoff / img_zoff / img_woff - name of parameters used
for x, y, z, and w offsets of pixel data.
img_format - name of parameter used as the pixel data format.
img_type - name of parameter used as the pixel data type.
img_target - name of parameter used as a texture target. Non-texture
pixel data should hardcode 0.
img_send_null - boolean flag to determine if blank pixel data should
be sent when a NULL pointer is passed. This is only used by
TexImage1D and TexImage2D.
img_null_flag - boolean flag to determine if an extra flag is used to
determine if a NULL pixel pointer was passed. This is used by
TexSubImage1D, TexSubImage2D, TexImage3D and others.
img_pad_dimensions - boolean flag to determine if dimension data and
offset data should be padded to the next even number of dimensions.
For example, this will insert an empty "height" field after the
"width" field in the protocol for TexImage1D.
glx:
rop - Opcode value for "render" commands
sop - Opcode value for "single" commands
vendorpriv - Opcode value for vendor private (or vendor private with
reply) commands
large - set to "true" of the render command can use RenderLarge protocol.
doubles_in_order - older commands always put GLdouble data at the
start of the render packet. Newer commands (e.g.,
ProgramEnvParameter4dvARB) put the in the order that they appear
in the parameter list.
always_array - some single commands take reply data as an array or as
return value data (e.g., glGetLightfv). Other single commands take
reply data only as an array (e.g., glGetClipPlane).
handcode - some functions are just too complicated to generate
(e.g., glSeperableFilter2D) or operate only on client-side data
(e.g., glVertexPointer) and must be handcoded.
ignore - some functions have an entry in the dispatch table, but aren't
suitable for protocol implementation (e.g., glLockArraysEXT). This
also applies to functions that don't have any GLX protocol specified
(e.g., glGetFogFuncSGIS).
-->
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