glew-cmake/auto/bin/update_ext.sh

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#!/bin/bash
##
## Copyright (C) 2004, 2003 Marcelo E. Magallon <mmagallo[at]debian org>
## Copyright (C) 2004, 2003 Milan Ikits <milan ikits[at]ieee org>
##
## This program is distributed under the terms and conditions of the GNU
## General Public License Version 2 as published by the Free Software
## Foundation or, at your option, any later version.
##
## Parameters:
##
## $1: Extensions directory
## $2: Registry directory
## $3: The black list
set -e
if [ ! -d $1 ] ; then
mkdir $1
# Parse each of the extensions in the registry
find $2 -name doc -type d -prune -o -name \*.txt -print | \
grep -v -f $3 | sort | bin/parse_spec.pl $1
# fix GL_NV_texture_compression_vtc
grep -v EXT $1/GL_NV_texture_compression_vtc > tmp
mv tmp $1/GL_NV_texture_compression_vtc
# remove duplicates from GL_ARB_vertex_program and GL_ARB_fragment_program
grep -v -F -f $1/GL_ARB_vertex_program $1/GL_ARB_fragment_program > tmp
mv tmp $1/GL_ARB_fragment_program
# remove duplicates from GLX_EXT_visual_rating and GLX_EXT_visual_info
grep -v -F -f $1/GLX_EXT_visual_info $1/GLX_EXT_visual_rating > tmp
mv tmp $1/GLX_EXT_visual_rating
# fix GL_NV_occlusion_query and GL_HP_occlusion_test
grep -v '_HP' $1/GL_NV_occlusion_query > tmp
mv tmp $1/GL_NV_occlusion_query
perl -e's/OCCLUSION_TEST_HP.*/OCCLUSION_TEST_HP 0x8165/' -pi \
$1/GL_HP_occlusion_test
perl -e's/OCCLUSION_TEST_RESULT_HP.*/OCCLUSION_TEST_RESULT_HP 0x8166/' -pi \
$1/GL_HP_occlusion_test
# fix GLvoid in GL_ARB_vertex_buffer_objects
perl -e 's/ void\*/ GLvoid\*/g' -pi \
$1/GL_ARB_vertex_buffer_object
# fix WGL_ATI_pixel_format_float
cat >> $1/WGL_ATI_pixel_format_float <<EOT
GL_RGBA_FLOAT_MODE_ATI 0x8820
GL_COLOR_CLEAR_UNCLAMPED_VALUE_ATI 0x8835
EOT
# add typedefs to GL_ARB_vertex_buffer_object; (from personal communication
# with Marco Fabbricatore).
#
# Rationale. The spec says:
#
# "Both types are defined as signed integers large enough to contain
# any pointer value [...] The idea of making these types unsigned was
# considered, but was ultimately rejected ..."
cat >> $1/GL_ARB_vertex_buffer_object <<EOT
typedef ptrdiff_t GLsizeiptrARB
typedef ptrdiff_t GLintptrARB
EOT
# add typedefs to GLX_EXT_import_context
cat >> $1/GLX_EXT_import_context <<EOT
typedef XID GLXContextID
EOT
# add tokens to GLX_OML_swap_method
cat >> $1/GLX_OML_swap_method <<EOT
GLX_SWAP_EXCHANGE_OML 0x8061
GLX_SWAP_COPY_OML 0x8062
GLX_SWAP_UNDEFINED_OML 0x8063
EOT
# add typedefs to GLX_SGIX_fbconfig
cat >> $1/GLX_SGIX_fbconfig <<EOT
typedef XID GLXFBConfigIDSGIX
typedef struct __GLXFBConfigRec *GLXFBConfigSGIX
EOT
# add typedefs to GLX_SGIX_pbuffer
cat >> $1/GLX_SGIX_pbuffer <<EOT
typedef XID GLXPbufferSGIX
typedef struct { int type; unsigned long serial; Bool send_event; Display *display; GLXDrawable drawable; int event_type; int draw_type; unsigned int mask; int x, y; int width, height; int count; } GLXBufferClobberEventSGIX
EOT
# add typedef to GL_NV_half_float
cat >> $1/GL_NV_half_float <<EOT
typedef unsigned short GLhalf
EOT
# add handle to WGL_ARB_pbuffer
cat >> $1/WGL_ARB_pbuffer <<EOT
DECLARE_HANDLE(HPBUFFERARB);
EOT
# add handle to WGL_EXT_pbuffer
cat >> $1/WGL_EXT_pbuffer <<EOT
DECLARE_HANDLE(HPBUFFEREXT);
EOT
# get rid of GL_SUN_multi_draw_arrays
rm -f $1/GL_SUN_multi_draw_arrays
# change variable names in GL_ARB_vertex_shader
perl -e 's/v0/x/g' -pi $1/GL_ARB_vertex_shader
perl -e 's/v1/y/g' -pi $1/GL_ARB_vertex_shader
perl -e 's/v2/z/g' -pi $1/GL_ARB_vertex_shader
perl -e 's/v3/w/g' -pi $1/GL_ARB_vertex_shader
# remove triplicates in GL_ARB_shader_objects, GL_ARB_fragment_shader,
# and GL_ARB_vertex_shader
grep -v -F -f $1/GL_ARB_shader_objects $1/GL_ARB_fragment_shader > tmp
mv tmp $1/GL_ARB_fragment_shader
grep -v -F -f $1/GL_ARB_shader_objects $1/GL_ARB_vertex_shader > tmp
mv tmp $1/GL_ARB_vertex_shader
# remove duplicates in GL_ARB_vertex_program and GL_ARB_vertex_shader
grep -v -F -f $1/GL_ARB_vertex_program $1/GL_ARB_vertex_shader > tmp
mv tmp $1/GL_ARB_vertex_shader
# remove triplicates in GL_ARB_fragment_program, GL_ARB_fragment_shader,
# and GL_ARB_vertex_shader
grep -v -F -f $1/GL_ARB_fragment_program $1/GL_ARB_fragment_shader > tmp
mv tmp $1/GL_ARB_fragment_shader
grep -v -F -f $1/GL_ARB_fragment_program $1/GL_ARB_vertex_shader > tmp
mv tmp $1/GL_ARB_vertex_shader
# fix bugs in GL_ARB_vertex_shader
grep -v "GL_FLOAT" $1/GL_ARB_vertex_shader > tmp
mv tmp $1/GL_ARB_vertex_shader
perl -e 's/handle /GLhandleARB /g' -pi $1/GL_ARB_vertex_shader
# fix bugs in GL_ARB_shader_objects
grep -v "GL_FLOAT " $1/GL_ARB_shader_objects > tmp
mv tmp $1/GL_ARB_shader_objects
grep -v "GL_INT" $1/GL_ARB_shader_objects > tmp
mv tmp $1/GL_ARB_shader_objects
# add typedefs to GL_ARB_shader_objects
cat >> $1/GL_ARB_shader_objects <<EOT
typedef char GLcharARB
typedef int GLhandleARB
EOT
# fix const correctness in GL_ARB_shader_objects
perl -e 's/(.+glUniform.*(fv|iv).+)(GLfloat\*.+|GLint\*.+)/\1const \3/;' -pi $1/GL_ARB_shader_objects
# clean up
rm -f $1/*.bak
fi