mesa.git
23 years agoForce texture download every time to handle lazy texture downloads.
Gareth Hughes [Wed, 7 Feb 2001 03:04:58 +0000 (03:04 +0000)]
Force texture download every time to handle lazy texture downloads.

23 years agoupdated texture image handling - STILL UNTESTED
Brian Paul [Tue, 6 Feb 2001 23:35:49 +0000 (23:35 +0000)]
updated texture image handling - STILL UNTESTED

23 years agoadded a number of debugging tests to be sure drivers handle texture images correctly
Brian Paul [Tue, 6 Feb 2001 23:35:26 +0000 (23:35 +0000)]
added a number of debugging tests to be sure drivers handle texture images correctly

23 years agoOverhaul of texture image handling.
Brian Paul [Tue, 6 Feb 2001 21:42:48 +0000 (21:42 +0000)]
Overhaul of texture image handling.
1. gl_texture_image struct's Data pointer points to images in driver's format.
2. Added FetchTexel() function pointer to struct gl_texture_image.
3. Changed Driver Tex[Sub]Image functions, return void now.
4. Texture storage/fetch code in new texstore.c file.
5. Removed texture.[ch] - functions moved to state.c

Note: FX driver updates not finished yet.

23 years agoadded _mesa_adjust_image_for_convolution()
Brian Paul [Tue, 6 Feb 2001 17:22:16 +0000 (17:22 +0000)]
added _mesa_adjust_image_for_convolution()

23 years agoUse a lookup table to compute exponents in tnl fogging code. Slightly
Keith Whitwell [Tue, 6 Feb 2001 04:06:34 +0000 (04:06 +0000)]
Use a lookup table to compute exponents in tnl fogging code.  Slightly
clean up the shine table lookup macro.

23 years agomisc updates to match latest device driver changes
Brian Paul [Tue, 6 Feb 2001 00:03:47 +0000 (00:03 +0000)]
misc updates to match latest device driver changes

23 years agoadded mesa_profile extern decl
Brian Paul [Mon, 5 Feb 2001 19:17:31 +0000 (19:17 +0000)]
added mesa_profile extern decl

23 years agoreplaced frustrum with frustum
Brian Paul [Mon, 5 Feb 2001 18:48:52 +0000 (18:48 +0000)]
replaced frustrum with frustum

23 years ago Committing in .
Jouk Jansen [Mon, 5 Feb 2001 08:56:12 +0000 (08:56 +0000)]
 Committing in .

 Modified Files:
  Mesa/src/descrip.mms

 Updated VMS make-files

----------------------------------------------------------------------

23 years agorework to correctly respect _ac_import_range()
Keith Whitwell [Sun, 4 Feb 2001 00:47:28 +0000 (00:47 +0000)]
rework to correctly respect _ac_import_range()

23 years agoFast no-copy drawarrays for large tristrips
Keith Whitwell [Sun, 4 Feb 2001 00:44:36 +0000 (00:44 +0000)]
Fast no-copy drawarrays for large tristrips

23 years agoSome more work on interal debugging, timing routines for things that
Gareth Hughes [Sat, 3 Feb 2001 08:41:03 +0000 (08:41 +0000)]
Some more work on interal debugging, timing routines for things that
will have implementations in assembly code.  To come: texture image
conversions, more of internal T&L pipeline and so on.

23 years ago Committing in .
Jouk Jansen [Wed, 31 Jan 2001 14:10:16 +0000 (14:10 +0000)]
 Committing in .

 Modified Files:
  Mesa/src/descrip.mms

 Updates VMS compile-support
----------------------------------------------------------------------

23 years agomake gluPerspective() call glMultMatrix() instead of glFrustum() to get correct error...
Brian Paul [Tue, 30 Jan 2001 18:08:51 +0000 (18:08 +0000)]
make gluPerspective() call glMultMatrix() instead of glFrustum() to get correct error semantics

23 years agoadded packed types to glGetMinMax and glGetHistogram error checks
Brian Paul [Tue, 30 Jan 2001 17:46:34 +0000 (17:46 +0000)]
added packed types to glGetMinMax and glGetHistogram error checks

23 years agofixed half pixel offset bug in aa point code
Brian Paul [Tue, 30 Jan 2001 16:38:20 +0000 (16:38 +0000)]
fixed half pixel offset bug in aa point code

23 years agoUpgrade to (patched) version 7 of glext.h
Gareth Hughes [Tue, 30 Jan 2001 15:02:34 +0000 (15:02 +0000)]
Upgrade to (patched) version 7 of glext.h

23 years agolast segment of AA stippled lines wasn't drawn
Brian Paul [Mon, 29 Jan 2001 23:38:41 +0000 (23:38 +0000)]
last segment of AA stippled lines wasn't drawn

23 years agofixed inverted Y coord for dithering in write_span_DITHER_5R6G5B_ximage()
Brian Paul [Mon, 29 Jan 2001 22:40:23 +0000 (22:40 +0000)]
fixed inverted Y coord for dithering in  write_span_DITHER_5R6G5B_ximage()

23 years agoGL_SHADE_MODEL wasn't popped correctly
Brian Paul [Mon, 29 Jan 2001 22:15:44 +0000 (22:15 +0000)]
GL_SHADE_MODEL wasn't popped correctly

23 years agoremoved unused vars
Brian Paul [Mon, 29 Jan 2001 22:10:37 +0000 (22:10 +0000)]
removed unused vars

23 years agoonly compute separate specular if texturing really enabled
Brian Paul [Mon, 29 Jan 2001 22:10:24 +0000 (22:10 +0000)]
only compute separate specular if texturing really enabled

23 years agofixed computation of _MultiTextureEnabled (again)
Brian Paul [Mon, 29 Jan 2001 21:47:13 +0000 (21:47 +0000)]
fixed computation of _MultiTextureEnabled (again)

23 years agoUpdate implementations of Driver.Clear().
Keith Whitwell [Mon, 29 Jan 2001 20:56:32 +0000 (20:56 +0000)]
Update implementations of Driver.Clear().

23 years agoRemoved knowledge of swrast Clear/Bitmap/Accum/Draw/Read/CopyPixels
Keith Whitwell [Mon, 29 Jan 2001 20:47:39 +0000 (20:47 +0000)]
Removed knowledge of swrast Clear/Bitmap/Accum/Draw/Read/CopyPixels
functions from core mesa -- if drivers need these fallbacks they
must now call them themselves.

Introduced hooks for clip-vertex-interpolation and the rendering
of clipped lines and polygons.  Allows drivers to interpolate
their hardware-format vertices directly.  Used in dri drivers to
replace fastpath code.

Slight optimizations to pipeline build/run routines.

23 years agooptimized lambda computation (Klaus Niederkrueger)
Brian Paul [Mon, 29 Jan 2001 18:51:25 +0000 (18:51 +0000)]
optimized lambda computation (Klaus Niederkrueger)

23 years agoupdates to the trace extension
Brian Paul [Mon, 29 Jan 2001 16:18:37 +0000 (16:18 +0000)]
updates to the trace extension

23 years agoupdated spec
Brian Paul [Mon, 29 Jan 2001 16:10:18 +0000 (16:10 +0000)]
updated spec

23 years agoredo _mesa_PopAttrib() to call Mesa state functions so derived state is updated
Brian Paul [Wed, 24 Jan 2001 15:27:10 +0000 (15:27 +0000)]
redo _mesa_PopAttrib() to call Mesa state functions so derived state is updated

23 years agoremoved the unused/broken GL_PGI_misc_hints extension
Brian Paul [Wed, 24 Jan 2001 04:56:19 +0000 (04:56 +0000)]
removed the unused/broken GL_PGI_misc_hints extension

23 years agominor tweaks
Brian Paul [Wed, 24 Jan 2001 00:07:01 +0000 (00:07 +0000)]
minor tweaks

23 years agoLots of GLchan datatype changes.
Brian Paul [Wed, 24 Jan 2001 00:04:58 +0000 (00:04 +0000)]
Lots of GLchan datatype changes.
Added GLvector4us datatype in math/m_vector.[ch]
Added _math_trans_4us() in math/m_translate.[ch]
Choose GLvector4ub, GLvector4us, GLvector4f at compile time based on CHAN_BITS.
Made Driver.ClearColor() and Driver.ClearIndex() optional driver functions.
Changed args to Driver.ClearColor(), updated drivers.
Reordered files in Makefile.X11

23 years agoadded DestroyHeads() to test clean-up code
Brian Paul [Tue, 23 Jan 2001 23:45:05 +0000 (23:45 +0000)]
added DestroyHeads() to test clean-up code

23 years agominor tweaks
Brian Paul [Tue, 23 Jan 2001 23:44:39 +0000 (23:44 +0000)]
minor tweaks

23 years agoadded support for 4 texture units
Brian Paul [Tue, 23 Jan 2001 23:44:15 +0000 (23:44 +0000)]
added support for 4 texture units

23 years agospace-bar = pause animation
Brian Paul [Tue, 23 Jan 2001 23:43:53 +0000 (23:43 +0000)]
space-bar = pause animation

23 years agoReplaced struct gl_visual with struct __GLcontextModesRec from glcore.h.
Brian Paul [Tue, 23 Jan 2001 23:39:36 +0000 (23:39 +0000)]
Replaced struct gl_visual with struct __GLcontextModesRec from glcore.h.
Replace "RGBAMode" with "rgbMode", etc.
Other minor clean-ups.

23 years agoadded dispatch override mechanism, used by trace extension
Brian Paul [Tue, 23 Jan 2001 23:35:47 +0000 (23:35 +0000)]
added dispatch override mechanism, used by trace extension

23 years agofixed glTexSubImage error check bug #128775
Brian Paul [Tue, 23 Jan 2001 23:35:23 +0000 (23:35 +0000)]
fixed glTexSubImage error check bug #128775

23 years agotest check-in
Brian Paul [Tue, 23 Jan 2001 23:29:15 +0000 (23:29 +0000)]
test check-in

23 years agoFixes for performance bug on compiled array element paths.
Keith Whitwell [Wed, 17 Jan 2001 02:49:38 +0000 (02:49 +0000)]
Fixes for performance bug on compiled array element paths.

23 years agoupdated ctx->Driver functions for s/w setup
Brian Paul [Tue, 16 Jan 2001 21:16:56 +0000 (21:16 +0000)]
updated ctx->Driver functions for s/w setup

23 years agofixed a small error in import_color(), include m_translate.h
Brian Paul [Tue, 16 Jan 2001 15:25:11 +0000 (15:25 +0000)]
fixed a small error in import_color(), include m_translate.h

23 years agoFix several conformance problems. Hack solution to line stipple problem.
Keith Whitwell [Tue, 16 Jan 2001 05:29:42 +0000 (05:29 +0000)]
Fix several conformance problems.  Hack solution to line stipple problem.

23 years agoremoved unneeded TXTR_COORD macros (Stephen Tse)
Brian Paul [Mon, 15 Jan 2001 20:04:28 +0000 (20:04 +0000)]
removed unneeded TXTR_COORD macros (Stephen Tse)

23 years agoFixed conform feedback and drawelements tests.
Keith Whitwell [Sun, 14 Jan 2001 06:14:21 +0000 (06:14 +0000)]
Fixed conform feedback and drawelements tests.
Use correct pv when rasterizing unfilled polys.

23 years agofix conform dlist test
Keith Whitwell [Sat, 13 Jan 2001 18:28:19 +0000 (18:28 +0000)]
fix conform dlist test

23 years agoUse correct pv in swrast lines routines
Keith Whitwell [Sat, 13 Jan 2001 07:13:28 +0000 (07:13 +0000)]
Use correct pv in swrast lines routines

23 years agoFix crash in book/stencil.
Keith Whitwell [Sat, 13 Jan 2001 05:48:25 +0000 (05:48 +0000)]
Fix crash in book/stencil.

Allow drivers to perform the perspective divide themselves.  Assembly
to do cliptesting without perspective divide for size-4 vectors.

23 years agoResync with new XFree version of this file
Keith Whitwell [Sat, 13 Jan 2001 05:47:06 +0000 (05:47 +0000)]
Resync with new XFree version of this file

23 years agoinitialize Driver.RenderPrimitive to _swsetup_RenderPrimNoop
Brian Paul [Fri, 12 Jan 2001 22:34:27 +0000 (22:34 +0000)]
initialize Driver.RenderPrimitive to _swsetup_RenderPrimNoop

23 years agoAdded PointSize and PointParametersfv to dd interface, for completeness.
Brian Paul [Tue, 9 Jan 2001 00:02:55 +0000 (00:02 +0000)]
Added PointSize and PointParametersfv to dd interface, for completeness.
Clean-up and updated comments in dd.h file.

23 years agoFixed 'IRound' to 'IROUND' in mmath.h
Keith Whitwell [Mon, 8 Jan 2001 21:55:59 +0000 (21:55 +0000)]
Fixed 'IRound' to 'IROUND' in mmath.h

Fixed fallback path for drawarrays/_tnl_hard_begin.

Removed disabled debug code.

23 years agoStill need 'DD_TRI_CULL_FRONT_BACK'
Keith Whitwell [Mon, 8 Jan 2001 17:42:13 +0000 (17:42 +0000)]
Still need 'DD_TRI_CULL_FRONT_BACK'

23 years agoAdd call to Driver.RenderPrimitive()
Keith Whitwell [Mon, 8 Jan 2001 17:41:15 +0000 (17:41 +0000)]
Add call to Driver.RenderPrimitive()

23 years agorevert XMesaCreateContext changes
Keith Whitwell [Mon, 8 Jan 2001 04:55:22 +0000 (04:55 +0000)]
revert XMesaCreateContext changes

23 years agoAdd a 'RenderPrimitive' callback to t_vb_render.c. Helps out drivers
Keith Whitwell [Mon, 8 Jan 2001 04:09:41 +0000 (04:09 +0000)]
Add a 'RenderPrimitive' callback to t_vb_render.c.  Helps out drivers
that used to require a 'ReducedPrimitiveChange' callback.

Various compilation fixes for XFree86.

Reverted to the older version of glcore.h used internally in XFree86, and
moved it to 'Mesa/include/GL/internal/glcore.h', for compatibility with
XFree86.

23 years agoBring the FX driver into line with core mesa changes.
Keith Whitwell [Mon, 8 Jan 2001 04:06:56 +0000 (04:06 +0000)]
Bring the FX driver into line with core mesa changes.

23 years agoModify X11 driver and fake glx to store a GLcontext
Keith Whitwell [Mon, 8 Jan 2001 04:06:20 +0000 (04:06 +0000)]
Modify X11 driver and fake glx to store a GLcontext
(ie a 'struct __GLcontextRec *') instead of an 'XMesaContext'.

This is to fix conflicts in XFree86 where both the indirect XMesaContext
and the GLcontext were calling themselves __GLcontextRec's.

23 years agoMoved glcore.h to a location prefixed by 'GL/internal', for compatibility
Keith Whitwell [Mon, 8 Jan 2001 03:56:53 +0000 (03:56 +0000)]
Moved glcore.h to a location prefixed by 'GL/internal', for compatibility
with XFree86 and the SI code there.

23 years agoImplementation of GL_EXT_texture_env_dot3.
Gareth Hughes [Sat, 6 Jan 2001 22:46:13 +0000 (22:46 +0000)]
Implementation of GL_EXT_texture_env_dot3.

23 years agoAdd GL_POINTS as a primitive, including with CVA DrawElements. Useful
Gareth Hughes [Sat, 6 Jan 2001 20:38:03 +0000 (20:38 +0000)]
Add GL_POINTS as a primitive, including with CVA DrawElements.  Useful
for testing non-triangle primitives on hardware driver fastpaths.

23 years agoFixed bug in MinMagThresh computation.
Brian Paul [Fri, 5 Jan 2001 21:28:31 +0000 (21:28 +0000)]
Fixed bug in MinMagThresh computation.
Renamed gl_texture_pixels() to _swrast_texture_fragments()

23 years ago Committing in .
Jouk Jansen [Fri, 5 Jan 2001 08:09:46 +0000 (08:09 +0000)]
 Committing in .

 Modified Files:
  Mesa/src/descrip.mms

 VMS makefile update
----------------------------------------------------------------------

23 years agovarious compilation/warning fixes
Keith Whitwell [Fri, 5 Jan 2001 05:31:42 +0000 (05:31 +0000)]
various compilation/warning fixes

23 years agoRemove 'pv' parameter from Line/Tri/Point funcs. The provoking vertex
Keith Whitwell [Fri, 5 Jan 2001 02:26:48 +0000 (02:26 +0000)]
Remove 'pv' parameter from Line/Tri/Point funcs.  The provoking vertex
is always the last vertex parameter.
Modify clipping to preserve pv colors.
Modify swrast and X11 driver to expect the pv in the last vertex
(was looking in the first vertex previously).
Remove all handling of flatshading from swrast_setup.

Allow drivers to override the unclipped render tabs in tnl_render_stage
directly.  (Like in 3.4).  Removed fxsimplerender stage.

Modified t_vb_rendertmp.h to remove the need for 'parity' arguments
in RENDER_TRI macros.

23 years agoadded underflow check in validate_shine_table()
Brian Paul [Thu, 4 Jan 2001 16:22:18 +0000 (16:22 +0000)]
added underflow check in validate_shine_table()

23 years agoadded divide by zero check
Brian Paul [Thu, 4 Jan 2001 15:32:32 +0000 (15:32 +0000)]
added divide by zero check

23 years agochanged some point functions, new picking code
Brian Paul [Thu, 4 Jan 2001 15:32:10 +0000 (15:32 +0000)]
changed some point functions, new picking code

23 years agominor bug fixes
Brian Paul [Thu, 4 Jan 2001 15:31:38 +0000 (15:31 +0000)]
minor bug fixes

23 years agoadded divide by zero check
Brian Paul [Wed, 3 Jan 2001 22:56:23 +0000 (22:56 +0000)]
added divide by zero check

23 years agoadded divide by zero checks
Brian Paul [Wed, 3 Jan 2001 22:55:26 +0000 (22:55 +0000)]
added divide by zero checks

23 years agoNew point rasterization functions based on template code that
Brian Paul [Wed, 3 Jan 2001 22:17:16 +0000 (22:17 +0000)]
New point rasterization functions based on template code that
handles CI/RGB, texture, antialiasing, attenuation, etc.

23 years agoMore color macro clean-ups.
Brian Paul [Wed, 3 Jan 2001 15:59:30 +0000 (15:59 +0000)]
More color macro clean-ups.
FLOAT_TO_CHAN() macro removed.

23 years agominor clean-up
Brian Paul [Wed, 3 Jan 2001 15:56:41 +0000 (15:56 +0000)]
minor clean-up

23 years agoAdded missing #include "mmath.h"
Jon Taylor [Wed, 3 Jan 2001 02:43:46 +0000 (02:43 +0000)]
Added missing #include "mmath.h"

23 years agomissed a few color macro changes
Brian Paul [Tue, 2 Jan 2001 22:05:55 +0000 (22:05 +0000)]
missed a few color macro changes

23 years agoRemoved fixed.h (GLfixed now in mtypes.h, fixed-pt macros in mmath.h)
Brian Paul [Tue, 2 Jan 2001 22:02:51 +0000 (22:02 +0000)]
Removed fixed.h (GLfixed now in mtypes.h, fixed-pt macros in mmath.h)
Clean-up of color conversion macros.
New mmath.h macros (IROUND, IFLOOR, ICEIL, FRAC) used in various places.

23 years agoinclude state.h
Brian Paul [Tue, 2 Jan 2001 21:40:57 +0000 (21:40 +0000)]
include state.h

23 years agominor GLchan-related changes
Brian Paul [Tue, 2 Jan 2001 21:09:50 +0000 (21:09 +0000)]
minor GLchan-related changes

23 years ago Committing in .
Jouk Jansen [Tue, 2 Jan 2001 10:07:33 +0000 (10:07 +0000)]
 Committing in .

 Modified Files:
  Mesa/demos/descrip.mms Mesa/src/descrip.mms
  Mesa/src/dispatch.c

 -Updated VMS compile suppport
 -Included glthread.h in dispatch.c to make sure that THREADS is defined if
   i.e. PTHREADS is defined in the makefile.

----------------------------------------------------------------------

23 years agoAdd render stage for unclipped vb's to fx driver.
Keith Whitwell [Thu, 28 Dec 2000 22:11:04 +0000 (22:11 +0000)]
Add render stage for unclipped vb's to fx driver.
Bump MAX_TEXTURE_UNITS to 8
Fix mem. leak in destroy_lists
Fix crash in q3 (cva generally)

23 years agotry and force a log message
Keith Whitwell [Thu, 28 Dec 2000 16:42:37 +0000 (16:42 +0000)]
try and force a log message

23 years agotry and force a log message
Keith Whitwell [Thu, 28 Dec 2000 16:35:42 +0000 (16:35 +0000)]
try and force a log message

23 years agotry and force a log message
Keith Whitwell [Thu, 28 Dec 2000 16:32:22 +0000 (16:32 +0000)]
try and force a log message

23 years agoFixed GGIMesa build problems.
Jon Taylor [Thu, 28 Dec 2000 02:00:27 +0000 (02:00 +0000)]
Fixed GGIMesa build problems.
Swrast triangle drawing fixes.

23 years agotry and force a log message
Keith Whitwell [Wed, 27 Dec 2000 23:01:25 +0000 (23:01 +0000)]
try and force a log message

23 years agotry and force a log message
Keith Whitwell [Wed, 27 Dec 2000 22:59:46 +0000 (22:59 +0000)]
try and force a log message

23 years agotry and force a log message
Keith Whitwell [Wed, 27 Dec 2000 22:57:13 +0000 (22:57 +0000)]
try and force a log message

23 years agotry and force a log message
Keith Whitwell [Wed, 27 Dec 2000 22:55:09 +0000 (22:55 +0000)]
try and force a log message

23 years agofix demos/fire, enable lazy vertex flushing
Keith Whitwell [Wed, 27 Dec 2000 22:52:45 +0000 (22:52 +0000)]
fix demos/fire, enable lazy vertex flushing

23 years agoFix evalpoints bug (samples/nurb)
Keith Whitwell [Wed, 27 Dec 2000 22:30:29 +0000 (22:30 +0000)]
Fix evalpoints bug (samples/nurb)

23 years agofix sproingies bug
Keith Whitwell [Wed, 27 Dec 2000 21:49:40 +0000 (21:49 +0000)]
fix sproingies bug

23 years agoFixes for compiling assembly (disable unused 'masked' versions)
Keith Whitwell [Wed, 27 Dec 2000 19:57:37 +0000 (19:57 +0000)]
Fixes for compiling assembly (disable unused 'masked' versions)
Fixes for compiling without debug.
Fix line clipping
Fix unfilled polygon clipping (should be correct now).

23 years agoThe array cache.
Keith Whitwell [Tue, 26 Dec 2000 15:14:04 +0000 (15:14 +0000)]
The array cache.

23 years agofix xscreensaver cores
Keith Whitwell [Tue, 26 Dec 2000 07:41:32 +0000 (07:41 +0000)]
fix xscreensaver cores

23 years agoMajor rework of tnl module
Keith Whitwell [Tue, 26 Dec 2000 05:09:27 +0000 (05:09 +0000)]
Major rework of tnl module
New array_cache module
Support 8 texture units in core mesa (now support 8 everywhere)
Rework core mesa statechange operations to avoid flushing on many
noop statechanges.

23 years ago* demos/Makefile.am (INCLUDES): Added -I$(top_srcdir)/util.
pesco [Sun, 24 Dec 2000 22:53:54 +0000 (22:53 +0000)]
* demos/Makefile.am (INCLUDES): Added -I$(top_srcdir)/util.
* demos/Makefile.X11, demos/Makefile.BeOS-R4, demos/Makefile.cygnus:
Essentially the same.
Program files updated to include "readtex.c", not "../util/readtex.c".
* demos/reflect.c: Likewise for "showbuffer.c".

* Makefile.am (EXTRA_DIST): Added top-level regular files.

* include/GL/Makefile.am (INC_X11): Added glxext.h.

* src/GGI/include/ggi/mesa/Makefile.am (EXTRA_HEADERS): Include
Mesa GGI headers in dist even if HAVE_GGI is not given.

* configure.in: Look for GLUT and demo source dirs in $srcdir.

* src/swrast/Makefile.am (libMesaSwrast_la_SOURCES): Set to *.[ch].
More source list updates in various Makefile.am's.

* Makefile.am (dist-hook): Remove CVS directory from distribution.
(DIST_SUBDIRS): List all possible subdirs here.
(SUBDIRS): Only list subdirs selected for build again.
The above two applied to all subdir Makefile.am's also.

23 years ago* include/GL/Makefile.am: ENABLE_GLUT_BUILD -> NEED_GLUT
pesco [Thu, 21 Dec 2000 20:04:14 +0000 (20:04 +0000)]
* include/GL/Makefile.am: ENABLE_GLUT_BUILD -> NEED_GLUT
* bootstrap: Fixed stupid mistakes.
* configure.in (LIBGL_VERSION): Include Mesa version as tiny number.
(LIBGLU_VERSION): Likewise.