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1656 lines
60 KiB
1656 lines
60 KiB
Mesa Version History |
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==================== |
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|
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.. note:: |
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|
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Changes for Mesa 6.4 and later are documented in the corresponding |
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:doc:`release notes <relnotes>` file. |
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1.0 beta February 1995 |
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---------------------- |
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|
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- Initial release |
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|
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1.1 beta March 4, 1995 |
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---------------------- |
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|
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Changes: |
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|
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- faster point and line drawing (2x faster) |
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- more systems supported, better Makefiles |
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- Renamed lib*.a files to avoid collisions |
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- many small bug fixes |
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|
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New: |
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|
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- pseudo-GLX functions added |
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- new implementation of evaluators (eval2.c) |
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- GLUT support |
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|
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1.1.1 beta March 7, 1995 |
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------------------------ |
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|
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Changes: |
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|
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- Reverted from eval2.c to eval.c due to FPE on Linux |
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- more speed improvements |
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- more Makefile changes |
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|
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1.1.2 beta March 14, 1995 |
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------------------------- |
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|
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New: |
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|
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- implementation of SGI's blending extensions |
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- glXUseXFont implemented |
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- added MESA_DEBUG environment variable support |
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|
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Changes: |
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|
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- Using eval2.c again |
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- more FPE-prevention checks (0-length normals are OK) |
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- a few small bug fixes |
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- much faster pixel logic ops! |
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- faster transformation arithmetic |
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|
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1.1.3 beta March 31, 1995 |
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------------------------- |
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|
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New: |
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|
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- gluScaleImage() and gluBuild2DMipMaps() implemented |
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- Mesa widgets for Xt/Motif |
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- blendEXT demos |
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- added environment variables for selecting visuals |
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|
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Changes: |
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|
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- almost all GLUT demos work correctly now |
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- faster X device driver functions |
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- more bug fixes |
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|
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1.1.4 beta April 20, 1995 |
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------------------------- |
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|
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Bug fixes: |
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|
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- missing #define SEEK_SET in src-tk/image.c |
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- compile glShadeModel into display lists |
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- fixed pow() domain error in src/light.c |
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- fixed "flickering bitmaps" in double buffer mode |
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- fixed tk.h and aux.h for C++ |
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- state of LIGHT_MODEL_LOCAL_VIEWER was inverted |
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|
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New features: |
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|
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- MUCH, MUCH nicer dithering in 8-bit RGB mode |
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- updated widgets and widget demos |
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- Implemented GLXPixmap functions |
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- Added GLU 1.1 and GLX 1.1 functions |
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- Changed the X/Mesa interface API, more versatile |
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- Implemented gluPartialDisk() |
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|
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1.2 May 22, 1995 |
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---------------- |
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|
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Bug fixes: |
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|
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- IRIX 4.x makefile problem |
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- modified tk to share root colormap as needed |
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- gluLookAt normalization problem |
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- suppress Expose, NoExpose events in swapbuffers |
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- glBitmap() and glDrawPixels() clipping |
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|
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New features: |
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|
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- GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture modes |
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implemented |
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- texture maps stored more efficiently |
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- texture maps can be compiled into display lists |
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- Bogdan Sikorski's GLU polygon tesselation code |
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- Linas Vepstas's sweep and extrusion library |
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- glXCreateContext()'s shareList parameter works as it's supposed to. |
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XMesaCreateContext() updated to accept a shareList parameter too. |
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- Mesa can be compiled with real OpenGL .h files |
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- MESA_BACK_BUFFER environment variable |
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- better GLX error checking |
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|
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1.2.1 June 22, 1995 |
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------------------- |
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|
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Bug fixes: |
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|
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- X/Mesa double buffer window resize crash |
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- widgets now pass PointerMotion events |
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- X/Mesa incorrect default clear color and drawing color |
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- more robust X MIT-SHM support in X/Mesa |
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- glTexImage( format=GL_LUMINANCE ) didn't work |
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- GL_LINE mode polygons with line width > 1.0 could cause a crash |
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- numerous feedback bugs |
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- glReadPixels() from depth buffer was wrong |
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- error prone depth and stencil buffer allocation New features: |
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- Preliminary Microsoft Windows driver |
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- Implemented a number of missing functions: glEvalCoord[12][df]v(), |
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glGet...(), etc. |
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- Added a few missing symbols to gl.h and glu.h |
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- Faster rendering of smooth-shaded, RGBA, depth-buffered polygons. |
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- Faster rendering of lines when width=2.0 |
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- Stencil-related functions now work in display lists |
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|
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Changes: |
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|
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- renamed aux.h as glaux.h (MS-DOS names can't start with aux) |
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- most filenames are in 8.3 format to accommodate MS-DOS |
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- use GLubytes to store arrays of colors instead of GLints |
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|
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1.2.2 August 2, 1995 |
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-------------------- |
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New features: |
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|
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- texture mapped points and lines |
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- NURBS! (but not 100% complete) |
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- viewports may safely extend beyond window boundaries |
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- MESA_PRIVATE_CMAP environment variable |
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- Grayscale X display support |
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- two new demos: demos/gears.c and demos/shadow.c |
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- MachTen for Macintosh configuration |
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|
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Bug fixes: |
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|
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- glGet*(GL_DEPTH_BITS) returned bytes, not bits |
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- point, line, and bitmap rasterization suffered from roundoff errors |
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- fixed a division by zero error in line clipping |
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- occasional wrong default background color really fixed! |
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- glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work |
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- gluBuild2DMipmaps malloc problem fixed |
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- view volume clipping of smooth shaded lines resulted in bad colors |
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|
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Changes: |
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|
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- new visual selection method in glXChooseVisual() |
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- improved GLU quadric functions |
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- call XSync for glFinish and XFlush for glFlush |
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- glVertex() calls now use a function pointer to avoid conditionals |
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- removed contrib directory from Mesa tar file (available on ftp site) |
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- AIX shared library support |
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- Removed GLUenum type as it's not in OpenGL |
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1.2.3 September 26, 1995 |
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------------------------ |
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|
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New features: |
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|
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- Mesa header files now equivalent to SGI OpenGL headers |
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- Support for HP's Color Recovery dithering displays |
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- Faster vertex transformation |
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- Faster raster operations into X windows under certain conditions |
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- New configurations: HP w/ shared libs, Ultrix w/ GCC, Data General |
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- 4-bit visuals now supported |
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|
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Bug fixes: |
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- glScissor bug fixed |
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- round-off errors in clipping lines against clip planes fixed |
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- byte swapping between hosts and display servers implemented |
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- glGetError() can be called without a current rendering context |
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- problem with accidentally culled polygons is fixed |
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- fixed some widget compilation problems |
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|
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1.2.4 November 17, 1995 |
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----------------------- |
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New features: |
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- More speed improvements (lighting, fogging, polygon drawing) |
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- Window system and OS-independent off-screen rendering |
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- Preliminary Fortran bindings |
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- glPolygonOffsetEXT implemented |
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- glColorMask and glIndexMask now fully implemented |
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- glPixelZoom implemented |
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- display lists fully implemented |
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- gamma correction |
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- dithering in 8-bit TrueColor/DirectColor visuals |
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Changes: |
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- Improved device driver interface |
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- tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk |
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- Dithering support moved from core into device driver |
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|
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Bug fixes: |
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- glEnable/Disable( GL_LIGHTING ) didn't always take effect |
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- glReadPixels byte swapping was broken |
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- glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken |
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- duplicate glColor4b() prototype in GL/gl.h removed |
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- stripes in wave -ci demo fixed |
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- GL_LINEAR_MIPMAP_NEAREST had wrong value |
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- bugs in HP Color Recovery support fixed |
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- fixed bug when blending lines, points, bitmaps outside of window |
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1.2.5 November 30, 1995 |
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----------------------- |
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New Features: |
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- updated MS Windows driver |
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- new implementation of StaticGray/GrayScale visual support |
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|
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Bug fixes: |
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- pixelzooming with gamma correction or blending didn't work |
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- HP color recovery visual wasn't being picked by glXChooseVisual |
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- glClear didn't always observe glColorMask changes |
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- olympic and offset demos didn't compile on some Suns |
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- texcoord clamping wasn't correct |
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- a polygon optimization introduced an occasional sampling problem |
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1.2.6 January 26, 1996 |
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---------------------- |
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New Features: |
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|
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- faster line and polygon rendering under certain conditions. See |
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Performance Tips 9 and 10 in README |
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- profiling |
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- lighting is a bit faster |
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- better perspective corrected texture mapping |
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- Amiga AmiWin (X11) support |
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- preliminary Linux SVGA driver Changes: |
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- now using a 16-bit depth buffer, faster, smaller |
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- GL_NORMALIZE is disabled by default |
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|
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Bug fixes: |
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- projective texture mapping |
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- fixed a memory leak in the context destroy function |
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- GL_POLYGON with less than 3 vertices caused a crash |
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- glGet*() returned wrong result for GL_INDEX_MODE |
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- reading pixels from an unmapped X window caused a BadMatch error |
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|
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1.2.7 March 5, 1996 |
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------------------- |
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New: |
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- faster lighting |
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- faster 16-bit TrueColor rendering on Linux |
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- faster 32-bit TrueColor rendering on Linux, HP, IBM |
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- non-depth-buffered XImage polygons are faster |
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- vertex array extension |
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- software alpha planes |
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- updated Macintosh driver |
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- new NeXT driver |
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- GLU quadric functions generate texture coordinates |
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- reflect.c demo - reflective, textured surface demo |
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|
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Changes: |
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- gamma correction code moved into the X driver for better performance |
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|
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Bug fixes: |
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- multiple glClipPlane()'s didn't work reliably |
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- glPolygonMode() didn't always work |
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- glCullFace( GL_FRONT_AND_BACK ) didn't work |
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- texture mapping with gamma correction was buggy |
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- floating point exceptions in texture coordinate interpolation |
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- XImage byte swapping didn't always work |
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- polygon edge flags weren't always used correctly |
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1.2.8 May 22, 1996 |
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------------------ |
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New: |
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- overlay planes on X servers with the SERVER_OVERLAY_VISUALS property |
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- better monochrome output |
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- more IRIX 6.x configurations |
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- more robust RGB mode color allocation |
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- added MESA_XSYNC environment variable |
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- GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions |
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- GL_MESA_window_pos extension |
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- faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT |
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and GL_UNSIGNED_INT |
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- driver for prototype Cirrus Mondello 3-D board |
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- updated AmigaDOS driver |
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- a few small speed optimizations in polygon rendering |
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|
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Changes: |
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|
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- internal device driver interface modified to simplify device driver |
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implementations and to support hardware Z buffers |
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- several changes to the X/Mesa interface (xmesa.h) |
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|
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Bug fixes: |
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|
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- fixed pow(0,0) domain error triggered on some systems |
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- glStencilClear() in a display list caused an infinite loop |
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- glRasterPos*() was sometimes off by +/-0.5 in X and Y |
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- color masking and blending were performed in wrong order |
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- auxSolidCylinder() sometimes drew a wire-frame cylinder |
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- fixed file writing bug in osdemo.c |
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- pixel mapping didn't always work |
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- the GL_GEQUAL stencil func didn't work |
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- the GL_INVERT stencil op didn't work |
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- the stencil write mask didn't work |
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- glPush/PopAttrib() didn't do enough error checking |
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- glIsList() didn't always work correctly |
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|
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2.0 October 10, 1996 |
|
-------------------- |
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New: |
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- Implements OpenGL 1.1 API functions |
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- all texture filtering modes supported (mipmapping) |
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- faster texture mapping, see Performance Tip 11 in README |
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- antialiased RGB points |
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- X support for line and polygon stippling |
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- glDrawBuffer( GL_FRONT_AND_BACK ) works |
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- util/ directory of useful stuff |
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- demos/texobj demo of texture objects |
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|
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Changes: |
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|
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- major internal changes for thread-safeness |
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- new device driver interface |
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- MESA_ALPHA env variable removed |
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- triangle rasterizer replaces polygon rasterizer |
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Bug fixes: |
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- glPopAttrib() bug |
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- glDrawBuffer(GL_NONE) works now |
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|
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2.1 December 14, 1996 |
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--------------------- |
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New: |
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- VMS support |
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- MS-DOS driver |
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- OpenStep support |
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- updated, combined Windows 95/NT driver |
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- implemented glGetLighti() and glGetTexGen*() |
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- GLX does garbage collection of ancillary buffers |
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|
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Bug fixes: |
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|
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- removed unused \_EXT constants from gl.h |
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- fixed polygon offset bugs |
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- Z coordinates of clipped lines were incorrect |
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- glEdgeFlag() in display lists didn't always work |
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- glLight*() in display lists didn't work |
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- fixed X line stipple bugs (Michael Pichler) |
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- glXUseXfonts XFreeFont/XFreeFontInfo bug fixed |
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- fixed a feedback bug |
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- glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix |
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- polygons were sometimes culled instead of clipped |
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- triangle rasterizer suffered from float/int overflow exceptions |
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- fixed FP underflow exception in lighting (specular exponent) |
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- glEnable/glDisable of GL_EXT_vertex_array enums didn't work |
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- fixed free(NULL) in GLU tesselator code |
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- using 24-bit color on some X servers resulted in garbage rendering |
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- 32-bit per pixel mode for XFree86 now works |
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- glRotate(a,0,0,0) gave unpredictable results |
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- GL_LINE_STRIP with > 480 vertices had occasional clipping problems |
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- 8-bit TrueColor GLXPixmap rendering incorrectly required a colormap |
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- glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled |
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- glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right |
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- accumulation buffer was limited to positive values |
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- projective textures didn't work |
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- selection buffer overflows weren't handled correctly |
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Changes: |
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- restored the GL_EXT_polygon_offset extension |
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- slightly faster RGB dithering |
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- the SVGA driver works again |
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- Amiga driver now distributed separately |
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- NeXT driver updated for Mesa 2.x |
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2.2 March 14, 1997 |
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------------------ |
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New: |
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- better color selection when dithering |
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- added GL_EXT_texture_object extension |
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- updated MS-DOS driver for DJGPP |
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- added openbsd make configuration |
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- faster dithered flat-shaded triangles |
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- various compilation problems with Motif widgets fixed |
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- gl.h, glx.h and glu.h name mangling option |
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- BeOS driver |
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- 3D texture mapping extension |
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- GL_MESA_resize_buffers extension |
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- morph3d, stex3d and spectex demos |
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- 3Dfx support |
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|
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Bug fixes: |
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|
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- glColorMaterial should finally work right in all respects |
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- linear interpolation of mipmap levels was incorrectly weighted |
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- readpix.c didn't compile on Macintosh |
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- GL_INVERT and related logic ops didn't work right |
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- glTexImage[12]D() didn't check its parameters consistently |
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- fixed a memory leak in glTexImage[12]D() |
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- kludged around a SunOS 5.x/GCC compiler bug in the feedback code |
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- glReadPixels aborted instead of normally catching some errors |
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- a few 1.1 constants were missing or misnamed in gl.h |
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- glBegin(p); glBegin(q); didn't generate an error |
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- fixed a memory leak in GLX code |
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- clipping of concave polygons could cause a core dump |
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- 1-component alpha texture maps didn't work |
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- fixed a GLU polygon tesselator bug |
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- polygons with colinear vertices were sometimes culled |
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- feedback triangle colors were wrong when using smooth shading |
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- textures with borders didn't work correctly |
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- colors returned in feedback mode were wrong when using lighting |
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- spotlights didn't effect ambient lighting correctly |
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- gluPartialDisk() had a few bugs |
|
|
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Changes: |
|
|
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- device driver interface expanded to support texture mapping |
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- faster matrix inversion subroutine |
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- commented out #include "wmesa_extend.h" from src/wmesa.c |
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- fixed many compiler warnings in the demo programs |
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|
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2.3 June 30, 1997 |
|
----------------- |
|
|
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New: |
|
|
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- Mesa distribution divided into two pieces: library code and demos |
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- faster vertex transformation, clip testing, lighting |
|
- faster line drawing |
|
- TrueColor visuals how have dithering (for depths < 24 bits) |
|
- added MESA_NO_DITHER environment variable |
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- new device driver function: NearFar(), RenderVB(), RasterSetup() |
|
- added LynxOS configuration |
|
- added cygnus Win32 configuration |
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- added texcyl.c GLUT demo |
|
- added XMesaDitherColor() to X/Mesa interface |
|
- new NURBS code from Bogdan Sikorski |
|
- added demos/shape.c (non-rectangular X window!) |
|
|
|
Bug fixes: |
|
|
|
- glEnable/DisableClientState() were missing from GL/gl.h |
|
- GL_SPHERE_MAP texcoord generation didn't work correctly |
|
- glXGetConfig() returned wrong number of depth, stencil, accum bits |
|
- glDrawPixels feedback/selection didn't examine RasterPos valid bit |
|
- black and white were reversed on some monochrome displays |
|
- fixed potential image memory leak (wasn't setting reference counter) |
|
- glDrawPixels sometimes didn't recognize some GL state changes |
|
- gluProject/UnProject() didn't check for divide by zero |
|
- stex3d demo called random() and srandom(), not portable |
|
- fixed memory leaks in context.c and drawpix.c |
|
- fixed NULL dereferencing problem in gl_update_texture_state() |
|
- glReadPixels between glBegin/glEnd didn't generate an error. |
|
- fixed memory leak in polygon tesselator (Randy Frank) |
|
- fixed seg fault bug drawing flat-shaded, depth-tested lines |
|
- clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded |
|
- glBindTexture sometimes didn't work |
|
- fixed a bug deep in glXReleaseBuffersMESA() |
|
- fog was mistakenly applied to alpha |
|
- glPopMatrix didn't set "dirty matrix" flag |
|
- glPolygonStipple pattern was sometimes wrong |
|
- glClear wasn't disabled during feedback and selection |
|
- fixed memory leak in glTexSubImage[123]D |
|
|
|
Changes: |
|
|
|
- many library source files reorganized |
|
- faster X color allocation, colors also freed when finished with them |
|
- new texture sampling function pointer in texture objects |
|
- incorporated 3Dfx VooDoo driver v0.16 into main source tree |
|
- many 3Dfx driver updates |
|
- cygnus Makefiles now included |
|
- updated DOS driver |
|
- made a few changes to dosmesa.c and wmesa.c (VB->Unclipped) |
|
- internally, colors now stored in GLubytes, not GLfixed |
|
- optimized changing of GL_SHININESS parameter |
|
|
|
2.4 September 18, 1997 |
|
---------------------- |
|
|
|
New: |
|
|
|
- updated 3Dfx Glide driver |
|
- hacks for 3Dfx rendering into an X window or fullscreen |
|
- added depth buffer access functions to X/Mesa and OS/Mesa interfaces |
|
|
|
Bug fixes: |
|
|
|
- pixel buffer could overflow with long, wide lines |
|
- fixed FP underflow problems in lighting |
|
- glTexSubImage1D() had an unitialized variable |
|
- incomplete texture objects could cause a segfault |
|
- glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop |
|
- flat-shaded quads in a strip were miscolored if clipped |
|
- mipmapped triangle lod computation now works correctly |
|
- fixed a few under/overflow bugs in triangle rasterizer |
|
- glArrayElement() assigned bad normal if normal array disabled |
|
- changed argument to glXReleaseBuffersMESA() |
|
- fixed small triangle underflow bugs in tritemp.h (hopefully) |
|
- glBindTexture(target, 0) caused a crash |
|
- glTexImage[123]D() with NULL image pointer caused crash |
|
- glPixelStore parameters are now ignored during display list execution |
|
- fixed a two-sided lighting w/ clipping bug (black vertices) |
|
- textures with width!=height were sometimes mis-rendered |
|
- "weird" projection matrices could cause div by 0, other fp errors |
|
|
|
Changes: |
|
|
|
- changed precompiled header symbol from PCH to PC_HEADER |
|
- split api.c into api1.c and api2.c |
|
- added hash.c source file (but not used yet) |
|
- a few Sun and HP configuration file changes |
|
- MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN |
|
- fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c) |
|
|
|
2.5 November 20, 1997 |
|
--------------------- |
|
|
|
New: |
|
|
|
- updated 3Dfx driver (v20) for GLQuake |
|
- added GL_EXT_paletted_texture extension |
|
- added GL_EXT_shared_texture_palette extension |
|
- added GL_EXT_point_parameters extension |
|
- now including Mark Kilgard's GLUT library v3.6 |
|
- new GLUT-based demos in gdemos/ |
|
- added a few more Unix config targets |
|
- added Intel X86 assembly language vertex transformation code |
|
- 3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var |
|
- Windows 95 S3 Virge driver |
|
|
|
Bug fixes: |
|
|
|
- glCopyTexImage?D would crash due to uninitialized variable |
|
- glColor w/ glColorMaterial in a display list caused a bug |
|
- fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver |
|
- glVertex4*() vertices weren't always projected correctly |
|
- trying to use mipmapped textured points or lines caused crash |
|
- glColor[34][fd]() values now clamped to [0,1] before int conversion |
|
|
|
Changes: |
|
|
|
- new device driver functions for texture mapping |
|
- hash tables used for display list and texture object lookup |
|
- fixed GLX visual handling code to avoid saving redundant visuals |
|
- 3Dfx Glide libraries automatically linked to libMesaGL.so |
|
- dropped the Cirrus Logic Mondello code since it's obsolete |
|
- updated Cygnus Makefiles (Stephane Rehel) |
|
- updated Windows MSVC++ Makefiles (Oleg Letsinsky) |
|
- procedure for making library files has changed: scripts now take a |
|
major and minor version arguments. Make-config changed a lot. |
|
- new implementation of glTexSubImage2D() |
|
- updated widgets-mesa directory to create libMesaGLwM.a (Motif widget) |
|
- separate linux-glide and linux-386-glide configurations |
|
|
|
2.6 February 12, 1998 |
|
--------------------- |
|
|
|
New: |
|
|
|
- Windows WGL functions |
|
- updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support |
|
- v0.22 of 3Dfx Glide driver |
|
- more X86 assembly language optimizations |
|
- faster blending for some modes |
|
- XMesaSetFXmode() to switch between 3Dfx window and full-screen mode |
|
- added preliminary thread support |
|
- added GLX_MESA_copy_sub_buffer extension |
|
- some clipping optimizations |
|
|
|
Bug fixes: |
|
|
|
- fixed shading/material bug when drawing long primitive strips |
|
- fixed clipping problem in long primitive strips |
|
- fixed clipping bug when using 3Dfx driver |
|
- fixed a problem when trying to use X fonts w/ 3Dfx driver |
|
- fixed a texture filter bug in 3Dfx/Glide driver |
|
- fixed bug in 3Dfx/Glide driver involving depth mask & clearing |
|
- glLoadMatrix to set projection matrix confused the 3Dfx driver |
|
- non-identity texture matrices didn't work with linux-386 configs |
|
- glGenTextures() didn't reserve the returned texture IDs |
|
- NULL proxy image sent to glTexImageXD() caused crash |
|
- added texture state validation optimization (Henk Kok) |
|
- fixed colormap reuse problem when using both RGB and CI windows |
|
- 32 BPP True/DirectColor X visuals weren't recognized |
|
- fixed potential problem in evaluators memory allocation |
|
- fixed assorted demo compilation bugs |
|
|
|
Changes: |
|
|
|
- replaced old Mesa/windows/ directory with Mesa/WIN32/ directory |
|
- converted a few old glaux/gltk demos to GLUT |
|
- renamed directories: demos -> xdemos, gdemos -> demos |
|
|
|
3.0 September 17, 1998 |
|
---------------------- |
|
|
|
New: |
|
|
|
- OpenGL 1.2 API |
|
- GL_EXT_abgr pixel format extension |
|
- GL_SGIS_texture_edge_clamp extension |
|
- GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex) |
|
- GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex) |
|
- GL_EXT_rescale_normal extension and renormal.c demo |
|
- GLX_SGI_video_sync extension (a no-op) |
|
- antialiased lines |
|
- glGetTexImage() now implemented |
|
- glDraw/Copy/ReadPixels() optimizations |
|
- optimized textured triangle code (Marten Stromberg) |
|
- more optimization of dithered TrueColor triangles in X driver |
|
- Linux GGI driver |
|
- updated MGL driver |
|
|
|
Bug fixes: |
|
|
|
- lots of assorted compilation fixes |
|
- glInitNames didn't write initial hit record |
|
- glBitmap didn't always check for invalid raster position |
|
- switching between GLX and OSMesa contexts caused a crash |
|
- fixed uninitialized variable in Mesa widget code |
|
- fixed typo in texture code which caused book/texgen to crash |
|
- fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP |
|
- gluDisk() in POINT or LINE mode sometimes failed |
|
- fixed texture + fog bug |
|
- GL_COMPILE_AND_EXECUTE mode didn't work reliably |
|
- glMultMatrix in projection matrix mode w/ 3Dfx driver could fail |
|
- glDrawPixels(color index pixels) weren't converted to RGBA |
|
- fixed possible getenv() buffer overflow security bug |
|
- glBitmap in feedback mode was offset by xOrig, yOrig params |
|
- device driver's DrawPixels hook was never used |
|
- glDrawPixels with zoomY!=1 and top/bottom clipping didn't work |
|
- glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte |
|
- fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c |
|
- glCopyTexSubImage2D() didn't work with 3Dfx driver |
|
- lines with width = 2 could cause crash |
|
- glClear with scissor rect sometimes cleared whole buffer |
|
- glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work |
|
- glTexImageXD( .. GL_ABGR_EXT .. ) didn't work |
|
- computation of inverse modelview matrix sometimes failed |
|
- fixed GL_CLAMP mode texture sampling bug |
|
- textured line interpolation was somewhat broken |
|
- textured triangle interpolation was also somewhat broken |
|
- glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one |
|
- evaluator state wasn't fully initialized |
|
- texture coordinate clipping was buggy |
|
- evaluator surfaces could be mis-colored |
|
- glAccum(GL_RETURN, s) didn't obey glColorMask() settings |
|
- zero area polygons shouldn't be culled if polygon mode is point/line |
|
- clipped width and height of glReadPixels was sometimes off by one |
|
- blending with alpha = 0 or 1.0 wasn't always exact |
|
- reading of pixels from clipped region was buggy |
|
- minor tweaking of X visual management in GLX emulator |
|
- glPolygonStipple now obeys pixel unpacking parameters |
|
- glGetPolygonStipple now obeys pixel packing parameters |
|
- interleaved vertex array texture coordinates were broken |
|
- query of proxy texture internal format was broken |
|
- alpha channel wasn't reliably cleared |
|
- fixed divide by zero error in gluScaleImage if dest size = 1 x 1 |
|
|
|
Conformance bug fixes: |
|
|
|
- GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing |
|
- GL_TEXTURE_INTERNAL_FORMAT was missing |
|
- glGet*(GL_POLYGON_STIPPLE) was broken |
|
- glPush/PopAttrib() didn't save/restore all texture state |
|
- glBitmap in feedback mode didn't work |
|
- feedback of texture coords didn't always work |
|
- glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke |
|
- glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke |
|
- glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke |
|
|
|
Changes: |
|
|
|
- upgraded GLUT to version 3.7 |
|
- only GL and GLU library code included in MesaLib.tar.gz |
|
- GLUT and all demos now in MesaDemos.tar.gz |
|
- glaux and gltk libraries removed |
|
- IRIX -n32 and -64 libs go in lib32/ and lib64/ directories |
|
|
|
3.1 beta 1 November 19, 1998 |
|
---------------------------- |
|
|
|
New: |
|
|
|
- GL_EXT_stencil_wrap extension |
|
- GL_INGR_blend_func_separate extension |
|
- GL_ARB_multitexture extension |
|
- GL_NV_texgen_reflection extension |
|
- newly optimized vertex transformation code |
|
- updated GLUT 3.7 code |
|
- better precision when using 32-bit Z buffer |
|
- Allegro DJGPP driver |
|
|
|
Bug fixes: |
|
|
|
- glCopyPixels between front/back buffers didn't copy alpha correctly |
|
- fixed out-of-bounds memory access in optimized 2-D texture code |
|
- glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter |
|
- glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter |
|
- clipping of texture coordinates sometimes had bad R,Q values |
|
- GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels |
|
- glEdgeFlagPointer() now takes a GLvoid \* instead of GLboolean \* |
|
- texture was sometimes applied twice with 3Dfx driver |
|
- glPush/PopAttrib() fouled up texture object reference counts |
|
- glDeleteLists(0, n) caused assertion failure |
|
- bilinear texture sampling wasn't accurate enough |
|
- glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx |
|
- color components were reversed on big endian 32 BPP X visuals |
|
|
|
Changes: |
|
|
|
- removed GL_EXT_multitexture extension |
|
|
|
3.1 beta 2 May 24, 1999 |
|
----------------------- |
|
|
|
New: |
|
|
|
- multi-textured points and lines ([email protected]) |
|
- optimized 24 BPP X rendering ([email protected]) |
|
- added allegro support ([email protected]) |
|
- cleaned-up Windows-related stuff (Ted Jump) |
|
- minor stereo changes ([email protected]) |
|
- new BeOS driver which implements BGLView class |
|
- new Direct3D driver (see src/D3D) |
|
- more efficient filled gluCylinder() function |
|
- utilities: util/showbuffer.[ch] and util/glstate.[ch] |
|
- fixed some IRIX compiler warnings |
|
- added support for building Mesa in XFree86 with SGI's GLX |
|
([email protected]) |
|
|
|
Bug fixes: |
|
|
|
- a variety of Windows/Mesa bug fixes ([email protected]) |
|
- packed pixel images weren't unpacked correctly |
|
- patches some win32 files in GLUT ([email protected]) |
|
- glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX |
|
- fixed lighting bug in Keith's new shading code |
|
- fixed texture segfault seen in Lament screensaver |
|
- fixed miscellaneous low-memory bugs |
|
- glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken |
|
- GL_LINEAR sampling of 3D textures was broken |
|
- fixed SVR4 'cc' compiler macro problem ([email protected]) |
|
- added GL_TEXTURE_PRIORITY fix ([email protected]) |
|
- fixed wide point and wide line conformance bugs (brianp) |
|
|
|
Changes: |
|
|
|
- some device driver changes (see src/dd.h) |
|
- new copyright on core Mesa code |
|
|
|
3.1 beta 3 September 17, 1999 |
|
----------------------------- |
|
|
|
New: |
|
|
|
- optimized glAccum function |
|
- optimized 24 BPP rendering in XMesa driver |
|
- GLU 1.2 polygon tessellator |
|
|
|
Bug Fixes: |
|
|
|
- glGetTexLevelParameter wasn't fully implemented |
|
- glXUseXFont now handles multi-byte fonts |
|
- glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result |
|
- alpha channel of blending points, lines was sometimes incorrect |
|
|
|
Changes: |
|
|
|
- New library names: "libGL" instead of "libMesaGL" |
|
- New library numbering: libGL.so.1.2.310 |
|
- New subdirectories: docs/ and bin/ |
|
- New Makefile-system (autoconf,automake,libtool) |
|
|
|
3.1 final December 14, 1999 |
|
--------------------------- |
|
|
|
New: |
|
|
|
- added demos/gloss.c |
|
- added xdemos/glxdpyinfo.c |
|
- added GLX_ARB_get_proc_address extension |
|
- rewritten glTexImage code paths (faster, less memory, bug fixes) |
|
|
|
Bug Fixes: |
|
|
|
- several vertex array bug fixes |
|
- overlapping glCopyPixels with pixel zooming now works |
|
- glXUseXFont() bitmaps were vertically shifted by one pixel |
|
- glCopyPixels with pixel zooming now works |
|
|
|
3.2 final April 24, 2000 |
|
------------------------ |
|
|
|
Bug fixes: |
|
|
|
- fixed memcpy bugs in span.c |
|
- fixed missing glEnd problem in demos/tessdemo.c |
|
- fixed bug when clearing 24 BPP Ximages |
|
- fixed clipping problem found in Unreal Tournament |
|
- fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2 |
|
- fixed Loki's 3dfx RGB vs BGR bug |
|
- fixed Loki's 3dfx smooth/flat shading bug in SoF |
|
|
|
Changes: |
|
|
|
- updated docs/README file |
|
- use bcopy() optimizations on FreeBSD |
|
- re-enabled the optimized persp_textured_triangle() function |
|
|
|
3.2.1 July 19, 2000 |
|
------------------- |
|
|
|
Bug fixes: |
|
|
|
- gluBuild2DMipmaps() didn't accept GL_BGRA |
|
- Fixed compile/makefile problems on IRIX |
|
- fixed segfault in 3dfx driver when using GL selection/feedback |
|
- no longer cull very, very tiny triangles |
|
- blending w/ drawbuffer==GL_FRONT_BACK caused segfault (sw rendering) |
|
- fixed Motif detection code in widgets-mesa/configure.in |
|
- glColorMaterial and glMaterial updates to emissive and ambient didn't |
|
always work right |
|
- Specular highlights weren't always in the right place |
|
- clipped GL_LINE mode polygons had interior lines appear |
|
- blend term GL_ONE_MINUS_CONSTANT_ALPHA was broken |
|
- GL_NICEST fog didn't always work with flat shading |
|
- glRect commands in display lists were sometimes miscolored |
|
- Line Z offset didn't always work |
|
- fixed texgen normal vector problem (gloss's teapot) |
|
- numerous GL conformance bugs fixed |
|
|
|
Changes: |
|
|
|
- glColorMask(false, false, false, false) handled better/faster |
|
- reverted to old GLU polygon tessellator, GLU 1.1 |
|
- updated Win32 build files |
|
|
|
3.3 July 21, 2000 |
|
----------------- |
|
|
|
New: |
|
|
|
- antialiased triangles now implemented |
|
- GL_EXT_texture_env_add texture mode extension |
|
- GLX 1.3 API |
|
- support for separate draw/read buffers (ie GL_SGI_make_current_read) |
|
- thread-safe API dispath |
|
- improved glxinfo program |
|
- demos/texdown program to measure texture download performance |
|
- glext.h header file |
|
- demos/geartrain program |
|
- GL_EXT_texture_lod_bias extension |
|
- demos/lodbias program |
|
- further optimized glRead/DrawPixels for 16-bit TrueColor X visuals |
|
- GLX_EXT_visual_rating extension (a no-op, however) |
|
- GL_HP_occlusion_test extension (for X and OS/Mesa drivers) |
|
- demos/occlude program |
|
- GL_SGIS_pixel_texture and GL_SGIX_pixel_texture extensions |
|
- demos/pixeltex program |
|
- GL_SGI_color_matrix extension |
|
- GL_SGI_color_table extension |
|
- GL_EXT_histogram extension |
|
- GL_ARB_texture_cube_map extension |
|
- added xdemos/glxheads and xdemos/manywin |
|
- demos/texenv.c demo |
|
- GL_EXT_texture_env_combine extension (by Holger Waechtler) |
|
- Xlib driver is now thread-safe (see xdemos/glthreads) |
|
|
|
Bug Fixes: |
|
|
|
- various GL conformance failures fixed since 3.2.1 |
|
|
|
Changes: |
|
|
|
- gl.h now uses #defines instead of C enums for all tokens |
|
- glu.h now uses #defines instead of C enums for all tokens |
|
- moved programs from 3Dfx/demos/ into demos/ directory |
|
|
|
3.4 November 3, 2000 |
|
-------------------- |
|
|
|
New: |
|
|
|
- optimized glDrawPixels for glPixelZoom(1,-1) Bug Fixes: |
|
- widgets-mesa/src/\*.c files were missing from 3.3 distro |
|
- include/GL/mesa_wgl.h file was missing from 3.3 distro |
|
- fixed some Win32 compile problems |
|
- texture object priorities weren't getting initialized to 1.0 |
|
- glAreTexturesResident return value was wrong when using hardware |
|
- glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX) |
|
- glReadPixels with GLushort packed types was broken |
|
- fixed a few bugs in the GL_EXT_texture_env_combine texture code |
|
- glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables |
|
- fixed some typos/bugs in the VB code |
|
- glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work |
|
- optimized glDrawPixels paths weren't being used |
|
- per-fragment fog calculation didn't work without a Z buffer |
|
- improved blending accuracy, fixes Glean blendFunc test failures |
|
- glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly |
|
- glXGetProcAddressARB() didn't always return the right address |
|
- gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format |
|
- texture matrix changes weren't always detected (GLUT projtex demo) |
|
- fixed random color problem in vertex fog code |
|
- fixed Glide-related bug that let Quake get a 24-bit Z buffer |
|
|
|
Changes: |
|
|
|
- finished internal support for compressed textures for DRI |
|
|
|
3.4.1 February 14, 2001 |
|
----------------------- |
|
|
|
New: |
|
|
|
- fixed some Linux build problems |
|
- fixed some Windows build problems |
|
- GL_EXT_texture_env_dot3 extension (Gareth Hughes) |
|
|
|
Bug fixes: |
|
|
|
- added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI |
|
- various state-update code changes needed for DRI bugs |
|
- disabled pixel transfer ops in glColorTable commands, not needed |
|
- fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter |
|
- updated sources and fixed compile problems in widgets-mesa/ |
|
- GLX_PBUFFER enum value was wrong in glx.h |
|
- fixed a glColorMaterial lighting bug |
|
- fixed bad args to Read/WriteStencilSpan in h/w stencil clear function |
|
- glXCopySubBufferMESA() Y position was off by one |
|
- Error checking of glTexSubImage3D() was broken (bug 128775) |
|
- glPopAttrib() didn't restore all derived Mesa state correctly |
|
- Better glReadPixels accuracy for 16 BPP color - fixes lots of OpenGL |
|
conformance problems at 16 BPP. |
|
- clearing depth buffer with scissoring was broken, would segfault |
|
- OSMesaGetDepthBuffer() returned bad bytesPerValue value |
|
- fixed a line clipping bug (reported by Craig McDaniel) |
|
- fixed RGB color over/underflow bug for very tiny triangles |
|
|
|
Known problems: |
|
|
|
- NURBS or evaluator surfaces inside display lists don't always work |
|
|
|
3.4.2 May 17, 2001 |
|
------------------ |
|
|
|
Bug fixes: |
|
|
|
- deleting the currently bound texture could cause bad problems |
|
- using fog could result in random vertex alpha values |
|
- AA triangle rendering could touch pixels outside right window bound |
|
- fixed byteswapping problem in clear_32bit_ximage() function |
|
- fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam |
|
- fixed memory leak in glXUseXFont() |
|
- fragment sampling in AA triangle function was off by 1/2 pixel |
|
- Windows: reading pixels from framebuffer didn't always work |
|
- glConvolutionFilter2D could segfault or cause FP exception |
|
- fixed segfaults in FX and X drivers when using tex unit 1 but not 0 |
|
- GL_NAND logicop didn't work right in RGBA mode |
|
- fixed a memory corruption bug in vertex buffer reset code |
|
- clearing the software alpha buffer with scissoring was broken |
|
- fixed a few color index mode fog bugs |
|
- fixed some bad assertions in color index mode |
|
- fixed FX line 'stipple' bug #420091 |
|
- fixed stencil buffer clear width/height typo |
|
- fixed GL error glitches in gl[Client]ActiveTextureARB() |
|
- fixed Windows compilation problem in texutil.c |
|
- fixed 1/8-pixel AA triangle sampling error |
|
|
|
Changes: |
|
|
|
- optimized writing mono-colored pixel spans to X pixmaps |
|
- increased max viewport size to 2048 x 2048 |
|
|
|
3.5 June 21, 2001 |
|
----------------- |
|
|
|
New: |
|
|
|
- internals of Mesa divided into modular pieces (Keith Whitwell) |
|
- 100% OpenGL 1.2 conformance (passes all conformance tests) |
|
- new AA line algorithm |
|
- GL_EXT_convolution extension |
|
- GL_ARB_imaging subset |
|
- OSMesaCreateContextExt() function |
|
- GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) |
|
- GL_MAX_TEXTURE_UNITS_ARB now defaults to eight |
|
- GL_EXT_fog_coord extension (Keith Whitwell) |
|
- GL_EXT_secondary_color extension (Keith Whitwell) |
|
- GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) |
|
- GL_SGIX_depth_texture extension |
|
- GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions |
|
- demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow |
|
- GL_ARB_texture_env_combine extension |
|
- GL_ARB_texture_env_dot3 extension |
|
- GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp) |
|
- OSMesaCreateContextExt() function |
|
- libOSMesa.so library, contains the OSMesa driver interface |
|
- GL/glxext.h header file for GLX extensions |
|
- somewhat faster software texturing, fogging, depth testing |
|
- all color-index conformance tests now pass (only 8 BPP tested) |
|
- SPARC assembly language TCL optimizations (David Miller) |
|
- GL_SGIS_generate_mipmap extension |
|
|
|
Bug Fixes: |
|
|
|
- fbiRev and tmuRev were unitialized when using Glide3 |
|
- fixed a few color index mode conformance failures; all pass now |
|
- now appling antialiasing coverage to alpha after texturing |
|
- colors weren't getting clamped to [0,1] before color table lookup |
|
- fixed RISC alignment errors caused by COPY_4UBV macro |
|
- drawing wide, flat-shaded lines could cause a segfault |
|
- vertices now snapped to 1/16 pixel to fix rendering of tiny triangles |
|
|
|
Changes: |
|
|
|
- SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU |
|
- new libOSMesa.so library, contains the OSMesa driver interface |
|
|
|
4.0 October 22, 2001 |
|
-------------------- |
|
|
|
New: |
|
|
|
- Mesa 4.0 implements the OpenGL 1.3 specification |
|
- GL_IBM_rasterpos_clip extension |
|
- GL_EXT_texture_edge_clamp extension (aka GL_SGIS_texture_edge_clamp) |
|
- GL_ARB_texture_mirrored_repeat extension |
|
- WindML UGL driver (Stephane Raimbault) |
|
- added OSMESA_MAX_WIDTH/HEIGHT queries |
|
- attempted compiliation fixes for Solaris 5, 7 and 8 |
|
- updated glext.h and glxext.h files |
|
- updated Windows driver (Karl Schultz) |
|
|
|
Bug fixes: |
|
|
|
- added some missing GLX 1.3 tokens to include/GL/glx.h |
|
- GL_COLOR_MATRIX changes weren't recognized by teximage functions |
|
- glCopyPixels with scale and bias was broken |
|
- glRasterPos with lighting could segfault |
|
- glDeleteTextures could leave a dangling pointer |
|
- Proxy textures for cube maps didn't work |
|
- fixed a number of 16-bit color channel bugs |
|
- fixed a few minor memory leaks |
|
- GLX context sharing was broken in 3.5 |
|
- fixed state-update bugs in glPopClientAttrib() |
|
- fixed glDrawRangeElements() bug |
|
- fixed a glPush/PopAttrib() bug related to texture binding |
|
- flat-shaded, textured lines were broken |
|
- fixed a dangling pointer problem in the XMesa code (Chris Burghart) |
|
- lighting didn't always produce the correct alpha value |
|
- fixed 3DNow! code to not read past end of arrays (Andrew Lewycky) |
|
|
|
4.0.1 December 17, 2001 |
|
----------------------- |
|
|
|
New: |
|
|
|
- better sub-pixel sample positions for AA triangles (Ray Tice) |
|
- slightly faster blending for (GL_ZERO, GL_ONE) and (GL_ONE, GL_ZERO) |
|
|
|
Bug fixes: |
|
|
|
- added missing break statements in glGet*() for multisample cases |
|
- fixed uninitialized hash table mutex bug (display lists / texobjs) |
|
- fixed bad teximage error check conditional (bug 476846) |
|
- fixed demos readtex.c compilation problem on Windows (Karl Schultz) |
|
- added missing glGet() query for GL_MAX_TEXTURE_LOD_BIAS_EXT |
|
- silence some compiler warnings (GCC 2.96) |
|
- enable the #define GL_VERSION_1_3 in GL/gl.h |
|
- added GL 1.3 and GLX 1.4 entries to gl_mangle.h and glx_mangle.h |
|
- fixed glu.h typedef problem found with MSDev 6.0 |
|
- build libGL.so with -Bsymbolic (fixes bug found with Chromium) |
|
- added missing 'const' to glXGetContextIDEXT() in glxext.h |
|
- fixed a few glXGetProcAddress() errors (texture compression, etc) |
|
- fixed start index bug in compiled vertex arrays (Keith) |
|
- fixed compilation problems in src/SPARC/glapi_sparc.S |
|
- fixed triangle strip "parity" bug found in VTK medical1 demo (Keith) |
|
- use glXGetProcAddressARB in GLUT to avoid extension linking problems |
|
- provoking vertex of flat-shaded, color-index triangles was wrong |
|
- fixed a few display list bugs (GLUT walker, molecule, etc) (Keith) |
|
- glTexParameter didn't flush the vertex buffer (Ray Tice) |
|
- feedback attributes for glDraw/CopyPixels and glBitmap were wrong |
|
- fixed bug in normal length caching (ParaView lighting bug) |
|
- fixed separate_specular color bug found in Chimera (18 Dec 2001) |
|
|
|
4.0.2 April 2, 2002 |
|
------------------- |
|
|
|
New: |
|
|
|
- New DOS (DJGPP) driver written by Daniel Borca |
|
- New driver interface functions for TCL drivers (such as Radeon DRI) |
|
- GL_RENDERER string returns "Mesa Offscreen16" or "Mesa Offscreen32" |
|
if using deep color channels |
|
- latest GL/glext.h and GL/glxext.h headers from SGI |
|
|
|
Bug fixes: |
|
|
|
- GL_BLEND with non-black texture env color wasn't always correct |
|
- GL_REPLACE with GL_RGB texture format wasn't always correct (alpha) |
|
- glTexEnviv( pname != GL_TEXTURE_ENV_COLOR ) was broken |
|
- glReadPixels was sometimes mistakenly clipped by the scissor box |
|
- glDraw/ReadPixels didn't catch all the errors that they should have |
|
- Fixed 24 BPP rendering problem in Windows driver (Karl Schultz) |
|
- 16-bit GLchan mode fixes (m_trans_tmp.h, s_triangle.c) |
|
- Fixed 1-bit float->int conversion bug in glDrawPixels(GL_DEPTH_COMP) |
|
- glColorMask as sometimes effecting glXSwapBuffers() |
|
- fixed a potential bug in XMesaGarbageCollect() |
|
- N threads rendering into one window didn't work reliably |
|
- glCopyPixels didn't work for deep color channels |
|
- improved 8 -> 16bit/channel texture image conversion (Gerk Huisma) |
|
- glPopAttrib() didn't correctly restore user clip planes |
|
- user clip planes failed for some perspective projections (Chromium) |
|
|
|
Known bugs: |
|
|
|
- mipmap LOD computation |
|
|
|
4.0.3 June 25, 2002 |
|
------------------- |
|
|
|
New: |
|
|
|
- updated GL/glext.h file (version 15) |
|
- corrected MMX blend code (Jose Fonseca) |
|
- support for software-based alpha planes in Windows driver |
|
- updated GGI driver (Filip Spacek) |
|
|
|
Bug fixes: |
|
|
|
- glext.h had wrong values for GL_DOT3_RGB[A]_EXT tokens |
|
- OSMesaMakeCurrent() didn't recognize buffer size changes |
|
- assorted conformance fixes for 16-bit/channel rendering |
|
- texcombine alpha subtraction mode was broken |
|
- fixed lighting bug with non-uniform scaling and display lists |
|
- fixed bug when deleting shared display lists |
|
- disabled SPARC cliptest assembly code (Mesa bug 544665) |
|
- fixed a couple Solaris compilation/link problems |
|
- blending clipped glDrawPixels didn't always work |
|
- glGetTexImage() didn't accept packed pixel types |
|
- glPixelMapu[is]v() could explode given too large of pixelmap |
|
- glGetTexParameter[if]v() didn't accept GL_TEXTURE_MAX_ANISOTROPY_EXT |
|
- glXCopyContext() could lead to segfaults |
|
- glCullFace(GL_FRONT_AND_BACK) didn't work (bug 572665) |
|
|
|
Changes: |
|
|
|
- lots of C++ (g++) code clean-ups |
|
- lots of T&L updates for the Radeon DRI driver |
|
|
|
Known bugs: |
|
|
|
- mipmap LOD computation (fixed for Mesa 4.1) |
|
|
|
4.0.4 October 3, 2002 |
|
--------------------- |
|
|
|
New: |
|
|
|
- GL_NV_texture_rectangle extension |
|
- updated glext.h header (version 17) |
|
- updated DOS driver (Daniel Borca) |
|
- updated BeOS R5 driver (Philippe Houdoin) |
|
- added GL_IBM_texture_mirror_repeat |
|
- glxinfo now takes -l option to print interesting OpenGL limits info |
|
- GL_MESA_ycbcr_texture extension |
|
- GL_APPLE_client_storage extension (for some DRI drivers only) |
|
- GL_MESA_pack_invert extension |
|
|
|
Bug fixes: |
|
|
|
- fixed GL_LINEAR fog bug by adding clamping |
|
- fixed FP exceptions found using Alpha CPU |
|
- 3dfx MESA_GLX_FX=window (render to window) didn't work |
|
- fixed memory leak in wglCreateContest (Karl Schultz) |
|
- define GLAPIENTRY and GLAPI if undefined in glu.h |
|
- wglGetProcAddress didn't handle all API functions |
|
- when testing for OpenGL 1.2 vs 1.3, check for GL_ARB_texture_cube_map |
|
- removed GL_MAX_CONVOLUTION_WIDTH/HEIGHT from glGetInteger/Float/etc() |
|
- error checking in compressed tex image functions had some glitches |
|
- fixed AIX compile problem in src/config.c |
|
- glGetTexImage was using pixel unpacking instead of packing params |
|
- auto-mipmap generation for cube maps was incorrect |
|
|
|
Changes: |
|
|
|
- max texture units reduced to six to accommodate texture rectangles |
|
- removed unfinished GL_MESA_sprite_point extension code |
|
|
|
4.1 October 29, 2002 |
|
-------------------- |
|
|
|
New: |
|
|
|
- GL_NV_vertex_program extension |
|
- GL_NV_vertex_program1_1 extension |
|
- GL_ARB_window_pos extension |
|
- GL_ARB_depth_texture extension |
|
- GL_ARB_shadow extension |
|
- GL_ARB_shadow_ambient extension |
|
- GL_EXT_shadow_funcs extension |
|
- GL_ARB_point_parameters extension |
|
- GL_ARB_texture_env_crossbar |
|
- GL_NV_point_sprite extension |
|
- GL_NV_texture_rectangle extension |
|
- GL_EXT_multi_draw_arrays extension |
|
- GL_EXT_stencil_two_side extension |
|
- GLX_SGIX_fbconfig and GLX_SGIX_pbuffer extensions |
|
- GL_ATI_texture_mirror_once extension (Ian Romanick) |
|
- massive overhaul/simplification of software rasterizer module, many |
|
contributions from Klaus Niederkrueger |
|
- faster software texturing in some cases (i.e. trilinear filtering) |
|
- new OSMesaGetProcAddress() function |
|
- more blend modes implemented with MMX code (Jose Fonseca) |
|
- added glutGetProcAddress() to GLUT |
|
- added GLUT_FPS env var to compute frames/second in glutSwapBuffers() |
|
- pbinfo and pbdemo PBuffer programs |
|
- glxinfo -v prints transprent pixel info (Gerd Sussner) |
|
|
|
Bug fixes: |
|
|
|
- better mipmap LOD computation (prevents excessive blurriness) |
|
- OSMesaMakeCurrent() didn't recognize buffer size changes |
|
- assorted conformance fixes for 16-bit/channel rendering |
|
- texcombine alpha subtraction mode was broken |
|
- fixed some blend problems when GLchan==GLfloat (Gerk Huisma) |
|
- clamp colors to [0,inf] in OSMesa if GLchan==GLfloat (Gerk Huisma) |
|
- fixed divide by zero error in NURBS tessellator (Jon Perry) |
|
- fixed GL_LINEAR fog bug by adding clamping |
|
- fixed FP exceptions found using Alpha CPU |
|
- 3dfx/glide driver render-to-window feature was broken |
|
- added missing GLX_TRANSPARENT_RGB token to glx.h |
|
- fixed error checking related to paletted textures |
|
- fixed reference count error in glDeleteTextures (Randy Fayan) |
|
|
|
Changes: |
|
|
|
- New spec file and Python code to generate some GL dispatch files |
|
- Glide driver defaults to "no" with autoconf/automake |
|
- updated demos/stex3d with new options |
|
|
|
5.0 November 13, 2002 |
|
--------------------- |
|
|
|
New: |
|
|
|
- OpenGL 1.4 support (glGetString(GL_VERSION) returns "1.4") |
|
- removed some overlooked debugging code |
|
- glxinfo updated to support GLX_ARB_multisample |
|
- GLUT now support GLX_ARB_multisample |
|
- updated DOS driver (Daniel Borca) |
|
|
|
Bug fixes: |
|
|
|
- GL_POINT and GL_LINE-mode polygons didn't obey cull state |
|
- fixed potential bug in \_mesa_align_malloc/calloc() |
|
- fixed missing triangle bug when running vertex programs |
|
- fixed a few HPUX compilation problems |
|
- FX (Glide) driver didn't compile |
|
- setting GL_TEXTURE_BORDER_COLOR with glTexParameteriv() didn't work |
|
- a few EXT functions, like glGenTexturesEXT, were no-ops |
|
- a few OpenGL 1.4 functions like glFogCoord*, glBlendFuncSeparate, |
|
glMultiDrawArrays and glMultiDrawElements were missing |
|
- glGet*(GL_ACTIVE_STENCIL_FACE_EXT) was broken |
|
- Pentium 4 Mobile was mistakenly identified as having 3DNow! |
|
- fixed one-bit error in point/line fragment Z calculation |
|
- fixed potential segfault in fakeglx code |
|
- fixed color overflow problem in DOT3 texture env mode |
|
|
|
5.0.1 March 30, 2003 |
|
-------------------- |
|
|
|
New: |
|
|
|
- DOS driver updates from Daniel Borca |
|
- updated GL/gl_mangle.h file (Bill Hoffman) Bug fixes: |
|
- auto mipmap generation for cube maps was broken (bug 641363) |
|
- writing/clearing software alpha channels was unreliable |
|
- minor compilation fixes for OS/2 (Evgeny Kotsuba) |
|
- fixed some bad assertions found with shadowtex demo |
|
- fixed error checking bug in glCopyTexSubImage2D (bug 659020) |
|
- glRotate(angle, -x, 0, 0) was incorrect (bug 659677) |
|
- fixed potential segfault in texture object validation (bug 659012) |
|
- fixed some bogus code in \_mesa_test_os_sse_exception_support (Linus) |
|
- fix fog stride bug in tnl code for h/w drivers (Michel Danzer) |
|
- fixed glActiveTexture / glMatrixMode(GL_TEXTURE) bug (#669080) |
|
- glGet(GL_CURRENT_SECONDARY_COLOR) should return 4 values, not 3 |
|
- fixed compilation problem on Solaris7/x86 (bug 536406) |
|
- fixed prefetch bug in 3DNow! code (Felix Kuhling) |
|
- fixed NeXT build problem (FABSF macro) |
|
- glDrawPixels Z values when glPixelZoom!=1 were invalid (bug 687811) |
|
- zoomed glDraw/CopyPixels with clipping sometimes failed (bug 689964) |
|
- AA line and triangle Z values are now rounded, not truncated |
|
- fixed color interpolation bug when GLchan==GLfloat (bug 694461) |
|
- glArePrograms/TexturesResident() wasn't 100% correct (Jose Fonseca) |
|
- fixed a minor GL_COLOR_MATERIAL bug |
|
- NV vertex program EXP instruction was broken |
|
- glColorMask misbehaved with X window / pixmap rendering |
|
- fix autoconf/libtool GLU C++ linker problem on Linux (a total hack) |
|
- attempt to fix GGI compilation problem when MesaDemos not present |
|
- NV vertex program ARL-relative fetches didn't work |
|
|
|
Changes: |
|
|
|
- use glPolygonOffset in gloss demo to avoid z-fighting artifacts |
|
- updated winpos and pointblast demos to use ARB extensions |
|
- disable SPARC normal transformation code (bug 673938) |
|
- GLU fixes for OS/2 (Evgeny Kotsuba) |
|
|
|
5.0.2 September 5, 2003 |
|
----------------------- |
|
|
|
Bug fixes: |
|
|
|
- fixed texgen problem causing texcoord's Q to be zero (stex3d) |
|
- default GL_TEXTURE_COMPARE_MODE_ARB was wrong |
|
- GL_CURRENT_MATRIX_NV query was wrong |
|
- GL_CURRENT_MATRIX_STACK_DEPTH_NV query was off by one |
|
- GL_LIST_MODE query wasn't correct |
|
- GL_FOG_COORDINATE_SOURCE_EXT query wasn't supported |
|
- GL_SECONDARY_COLOR_ARRAY_SIZE_EXT query returned wrong value |
|
- blended, wide lines didn't always work correctly (bug 711595) |
|
- glVertexAttrib4svNV w component was always 1 |
|
- fixed bug in GL_IBM_rasterpos_clip (missing return) |
|
- GL_DEPTH_TEXTURE_MODE = GL_ALPHA didn't work correctly |
|
- a few Solaris compilation fixes |
|
- fixed glClear() problem for DRI drivers (non-existent stencil, etc) |
|
- fixed int/REAL mixup in GLU NURBS curve evaluator (Eric Cazeaux) |
|
- fixed delete [] bug in SI GLU (bug 721765) (Diego Santa Cruz) |
|
- glFog() didn't clamp fog colors |
|
- fixed bad float/int conversion for GL_TEXTURE_PRIORITY in the |
|
gl[Get]TexParameteri[v] functions |
|
- fixed invalid memory references in glTexGen functions (bug 781602) |
|
- integer-valued color arrays weren't handled correctly |
|
- glDrawPixels(GL_DEPTH_COMPONENT) with glPixelZoom didn't work |
|
- GL_EXT_texture_lod_bias is part of 1.4, overlooked in 5.0.1 |
|
|
|
Changes: |
|
|
|
- build GLUT with -fexceptions so C++ apps propogate exceptions |
|
|
|
5.1 December 17, 2003 |
|
--------------------- |
|
|
|
New: |
|
|
|
- reorganized directory tree |
|
- GL_ARB_vertex/fragment_program extensions (Michal Krol & Karl Rasche) |
|
- GL_ATI_texture_env_combine3 extension (Ian Romanick) |
|
- GL_SGI_texture_color_table extension (Eric Plante) |
|
- GL_NV_fragment_program extension |
|
- GL_NV_light_max_exponent extension |
|
- GL_EXT_texture_rectangle (identical to GL_NV_texture_rectangle) |
|
- GL_ARB_occlusion_query extension |
|
- GL_ARB_point_sprite extension |
|
- GL_ARB_texture_non_power_of_two extension |
|
- GL_IBM_multimode_draw_arrays extension |
|
- GL_EXT_texture_mirror_clamp extension (Ian Romanick) |
|
- GL_ARB_vertex_buffer_object extension |
|
- new X86 feature detection code (Petr Sebor) |
|
- less memory used for display lists and vertex buffers |
|
- demo of per-pixel lighting with a fragment program (demos/fplight.c) |
|
- new version (18) of glext.h header |
|
- new spriteblast.c demo of GL_ARB_point_sprite |
|
- faster glDrawPixels in X11 driver in some cases (see relnotes/5.1) |
|
- faster glCopyPixels in X11 driver in some cases (see relnotes/5.1) |
|
|
|
Bug fixes: |
|
|
|
- really enable OpenGL 1.4 features in DOS driver. |
|
- fixed issues in glDrawPixels and glCopyPixels for very wide images |
|
- glPixelMapf/ui/usv()'s size parameter is GLsizei, not GLint |
|
- fixed some texgen bugs reported by Daniel Borca |
|
- fixed wglMakeCurrent(NULL, NULL) bug (#835861) |
|
- fixed glTexSubImage3D z-offset bug (Cedric Gautier) |
|
- fixed RGBA blend enable bug (Ville Syrjala) |
|
- glAccum is supposed to be a no-op in selection/feedback mode |
|
- fixed texgen bug #597589 (John Popplewell) |
|
|
|
Changes: |
|
|
|
- dropped API trace feature (src/Trace/) |
|
- documentation overhaul. merged with website content. more html. |
|
- glxgears.c demo updated to use GLX swap rate extensions |
|
- glTexImage1/2/3D now allows width/height/depth = 0 |
|
- disable SPARC asm code on Linux (bug 852204) |
|
|
|
6.0 January 16, 2004 |
|
-------------------- |
|
|
|
New: |
|
|
|
- full OpenGL 1.5 support |
|
- updated GL/glext.h file to version 21 Changes: |
|
- changed max framebuffer size to 4Kx4K (MAX_WIDTH/HEIGHT in config.h) |
|
Bug fixes: |
|
- fixed bug in UNCLAMPED_FLOAT_TO_UBYTE macro; solves a color clamping |
|
issue |
|
- updated suno5-gcc configs |
|
- glColor3 functions sometimes resulted in undefined alpha values |
|
- fixed FP divide by zero error seen on VMS with xlockmore, others |
|
- fixed vertex/fragment program debug problem (bug 873011) |
|
- building on AIX with GCC works now |
|
- glDeleteProgramsARB failed for ARB fragment programs (bug 876160) |
|
- glDrawRangeElements tried to modify potentially read-only storage |
|
- updated files for building on Windows |
|
|
|
6.0.1 April 2, 2004 |
|
------------------- |
|
|
|
New: |
|
|
|
- upgraded glext.h to version 22 |
|
- new build targets (Dan Schikore) |
|
- new linux-x86-opteron build target (Heath Feather) |
|
|
|
Bug fixes: |
|
|
|
- glBindProgramARB didn't update all necessary state |
|
- fixed build problems on OpenBSD |
|
- omit CVS directories from tarballs |
|
- glGetTexImage(GL_COLOR_INDEX) was broken |
|
- fixed an infinite loop in t&l module |
|
- silenced some valgrind warnings about using unitialized memory |
|
- fixed some compilation/link glitches on IRIX (Mike Stephens) |
|
- glBindProgram wasn't getting compiled into display lists |
|
- GLX_FBCONFIG_ID wasn't recognized in glXChooseFBConfig() (bug 888079) |
|
- two-sided lighting and vertex program didn't work (bug 887330) |
|
- stores to program parameter registers in vertex state programs didn't |
|
work. |
|
- fixed glOrtho bug found with GCC 3.2.2 (RH9) |
|
- glXCreateWindow() wasn't fully implemented (bug 890894) |
|
- generic vertex attribute arrays didn't work in display lists |
|
- vertex buffer objects' default usage and access fields were wrong |
|
- glDrawArrays with start!=0 was broken |
|
- fragment program PK2H, UP2H, UP4B and UP4UB instructions were broken |
|
- linux-osmesa16-static config didn't work |
|
- fixed a few color index rendering problems (bug 910687) |
|
- glInterleavedArrays didn't respect GL_CLIENT_ACTIVE_TEXTURE |
|
- OSMesa RGB and BGR modes were broken |
|
- glProgramStringARB mistakenly required a null-terminated string |
|
- fragment program XPD instruction was incorrect |
|
- glGetMaterial() didn't work reliably |
|
- ARB_fragment_program KIL instruction was incorrect |
|
|
|
6.1 August 18, 2004 |
|
------------------- |
|
|
|
New: |
|
|
|
- Revamped Makefile system |
|
- glXUseRotatedXFont() utility (see xdemos/xuserotfont.c) |
|
- internal driver interface changes related to texture object |
|
allocation, vertex/fragment programs, BlendEquationSeparate, etc. |
|
- option to walk triangle edges with double-precision floats (Justin |
|
Novosad of Discreet) (see config.h file) |
|
- support for AUX buffers in software GLX driver |
|
- updated glext.h to version 24 and glxext.h to version 6 |
|
- new MESA_GLX_FORCE_ALPHA and MESA_GLX_DEPTH_BITS env vars |
|
- updated BeOS support (Philippe Houdoin) |
|
|
|
Changes: |
|
|
|
- fragment fog interpolation is perspective corrected now |
|
- new glTexImage code, much cleaner, may be a bit faster |
|
|
|
Bug fixes: |
|
|
|
- glArrayElement in display lists didn't handle generic vertex attribs |
|
- glFogCoord didn't always work properly |
|
- ARB_fragment_program fog options didn't work |
|
- frag prog TEX instruction no longer incorrectly divides s,t,r by q |
|
- ARB frag prog TEX and TEXP instructions now use LOD=0 |
|
- glTexEnviv in display lists didn't work |
|
- glRasterPos didn't do texgen or apply texture matrix |
|
- GL_DOUBLE-valued vertex arrays were broken in some cases |
|
- fixed texture rectangle edge/border sampling bugs |
|
- sampling an incomplete texture in a fragment program would segfault |
|
- glTexImage was missing a few error checks |
|
- fixed some minor glGetTexParameter glitches |
|
- GL_INTENSITY was mistakenly accepted as a <format> to glTexImage |
|
- fragment program writes to RC/HC register were broken |
|
- fixed a few glitches in GL_HP_occlusion_test extension |
|
- glBeginQueryARB and glEndQueryARB didn't work inside display lists |
|
- vertex program state references were broken |
|
- fixed triangle color interpolation bug on AIX (Shane Blackett) |
|
- fixed a number of minor memory leaks (bug #1002030) |
|
|
|
6.2 October 2, 2004 |
|
------------------- |
|
|
|
New: |
|
|
|
- enabled GL_ARB_texture_rectangle (same as GL_NV_texture_rectangle) |
|
- updated Doxygen support (Jose Fonseca) |
|
|
|
Changes: |
|
|
|
- some GGI driver updates (Christoph Egger, bug 1025977) |
|
|
|
Bug fixes: |
|
|
|
- Omit GL_ARB_texture_non_power_of_two from list of OpenGL 1.5 features |
|
- fixed a few compilation issues on IRIX |
|
- fixed a matrix classification bug (reported by Wes Bethel) |
|
- we weren't reseting the vertex/fragment program error state before |
|
parsing (Dave Reveman) |
|
- adjust texcoords for sampling texture rectangles (Dave Reveman) |
|
- glGet*(GL_MAX_VERTEX_ATTRIBS_ARB) wasn't implemented |
|
- repeated calls to glDeleteTexture(t) could lead to a crash |
|
- fixed potential ref count bugs in VBOs and vertex/fragment programs |
|
- spriteblast demo didn't handle window size changes correctly |
|
- glTexSubImage didn't handle pixels=NULL correctly for PBOs |
|
- fixed color index mode glDrawPixels bug (Karl Schultz) |
|
|
|
6.2.1 December 9, 2004 |
|
---------------------- |
|
|
|
Bug fixes: |
|
|
|
- don't apply regular fog or color sum when using a fragment program |
|
- glProgramEnvParameter4fARB always generated an error on |
|
GL_FRAGMENT_PROGRAM_ARB (fdo bug 1645) |
|
- glVertexAttrib3svNV and glVertexAttrib3svARB were broken |
|
- fixed width/height mix-up in glSeparableFilter2D() |
|
- fixed regression in glCopyPixels + convolution |
|
- glReadPixels from a clipped front color buffer didn't always work |
|
- glTexImage didn't accept GL_RED/GREEN/BLUE as the format |
|
- Attempting queries/accesses of VBO 0 weren't detected as errors |
|
- paletted textures failed if the palette had fewer than 256 entries |
|
|
|
Changes: |
|
|
|
- fixed a bunch of compiler warnings found with GCC 3.4 |
|
- bug reports should to go bugzilla.freedesktop.org |
|
|
|
6.3 July 20, 2005 |
|
----------------- |
|
|
|
New: |
|
|
|
- GL_EXT_framebuffer_object extension |
|
- GL_ARB_draw_buffers extension |
|
- GL_ARB_pixel_buffer_object extension |
|
- GL_OES_read_format extension (Ian Romanick) |
|
- DirectFB driver (Claudio Ciccani) |
|
- x86_64 vertex transformation code (Mikko T.) |
|
- Updated GL/glext.h to version 29 |
|
|
|
Changes: |
|
|
|
- added -stereo option for glxgears demo (Jacek Rosik) |
|
- updated the PBuffer demo code in xdemos/ directory |
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- glDeleteTextures/Programs/Buffers() now makes the object ID available |
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for immediate re-use |
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- assorted 64-bit clean-ups fixes (x86_64 and Win64) |
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- lots of internal changes for GL_EXT_framebuffer_object |
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|
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Bug fixes: |
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|
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- some functions didn't support PBO functionality |
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- glGetTexImage didn't convert color index images to RGBA as required |
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- fragment program texcoords were sometimes wrong for points and lines |
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- fixed problem with negative dot product in arbfplight, fplight demos |
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- fixed bug in perspective correction of antialiased, textured lines |
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- querying GL_POST_CONVOLUTION_ALPHA_BIAS_EXT returned wrong value |
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- fixed a couple per-pixel fog bugs (Soju Matsumoto) |
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- glGetBooleanv(GL_FRAGMENT_PROGRAM_BINDING_NV) was broken |
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- fixed float parsing bug in ARB frag/vert programs (bug 2520) |
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- XMesaGetDepthBuffer() returned incorrect value for bytesPerValue |
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- GL_COLOR_MATERIAL with glColor3 didn't properly set diffuse alpha |
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- glXChooseFBConfig() crashed if attribList pointer was NULL |
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- program state.light[n].spot.direction.w was wrong value (bug 3083) |
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- fragment program fog option required glEnable(GL_FOG) - wrong. |
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- glColorTable() could produce a Mesa implementation error (bug 3135) |
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- RasterPos could get corrupted by color index rendering path |
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- Removed bad XTranslateCoordinates call when rendering to Pixmaps |
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- glPopAttrib() didn't properly restore GL_TEXTURE_GEN enable state |
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- fixed a few Darwin compilation problems |
|
|
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6.3.1 |
|
----- |
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|
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This was an intermediate release for X.org which wasn't otherwise |
|
released.) |
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|
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6.3.2 August 19, 2005 |
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--------------------- |
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|
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New: |
|
|
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- The distribution now includes the DRI drivers and GLX code |
|
|
|
Changes: |
|
|
|
- Made the DRI "new" driver interface standard, remove old code |
|
|
|
Bug fixes: |
|
|
|
- GL_ARB_vertex/fragment_shader were mistakenly listed in the |
|
extensions string |
|
- negative relative addressing in vertex programs was broken |
|
- update/fix SPARC assembly code for vertex transformation |
|
- fixed memory leak when freeing GLX drawables/renderbuffers |
|
- fixed display list memory leak |
|
- the GL_PIXEL_MAP_I_TO_I table is now floating point, not integer |
|
- wglGetProcAddress() didn't handle wgl-functions |
|
- fixed glxext.h cross-compile issue (Colin Harrison) |
|
- assorted DRI driver fixes |
|
|
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.. note:: |
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|
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Changes for Mesa 6.4 and later are documented in the corresponding |
|
:doc:`release notes <relnotes>` file.
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