File Release Notes and Changelog
Release Name: 0.4.0
Notes: This is the final 0.4.0 release. If any of RC5, RC6, RC7, RC8 worked for you, there should be no need to upgrade to this, only minor tweaks were changed.
Changes: Changes from 0.2.4 to 0.4.0 ------------------------------- * Robert J Ohannessian - [GLext] Added in the following extensions: - GL_ARB_fragment_program_shadow - GL_ARB_draw_buffers - GL_ARB_texture_rectangle - GL_EXT_pixel_buffer_object - GL_NV_fragment_program_option - GL_NV_fragment_program2 - GL_NV_vertex_program2_option - GL_NV_vertex_program3 - GLX_SGIX_hyperpipe - GLX_MESA_agp_offset - GL_ARB_color_buffer_float - GL_ARB_half_float_pixel - GL_ARB_texture_float - GL_EXT_texture_compression_dxt1 - WGL_ARB_pixel_format_float - GLX_ARB_fbconfig_float - GL_ARB_pixel_buffer_object - GL_EXT_framebuffer_object - GL_GREMEDY_string_marker - GL_EXT_packed_depth_stencil - GL_EXT_bindable_uniform - GL_EXT_draw_buffers2 - GL_EXT_draw_instanced - GL_EXT_framebuffer_sRGB - WGL_EXT_framebuffer_sRGB - GLX_EXT_framebuffer_sRGB - GL_EXT_geometry_shader4 - GL_EXT_gpu_shader4 - GL_EXT_packed_float - WGL_EXT_packed_float - GLX_EXT_packed_float - GL_EXT_texture_array - GL_EXT_texture_buffer_object - GL_EXT_texture_compression_latc - GL_EXT_texture_compression_rgtc - GL_EXT_texture_integer - GL_EXT_texture_shared_exponent - GL_NV_depth_buffer_float - GL_NV_fragment_program4 - GL_NV_framebuffer_multisample_coverage - GL_NV_geometry_program4 - GL_NV_gpu_program4 - GL_NV_parameter_buffer_object - GL_NV_transform_feedback - GL_NV_vertex_program4 - [GLext] Added OpenGL 2.0 support. - [GLext] Added missing GL_SAMPLER_* defines for ARB_shader_objects - [Examples] Removed text from extextur and put it in exalpfnt. - [Examples] Cleaned up exalpfnt code. - [Examples] Added an NV_vp2 path to exext, just because it's simpler. - [AGLF] Default format for monochrome fonts is now GL_INTENSITY4. This should resolve many issues people had with font formats. - [AGLF] Fixed color fonts. - [GLext] Fixed the API alias script to correctly ignore whitespaces. - [AGLF] Added agl_printf_ex() which uses the current GL primary color instead of overwriting it with Allegro's. This should solve issues with alpha blending when the screen is not in 32-bpp. - [Texture] Added support for ARB_texture_non_power_of_two in allegro_gl_make_texture_ex(). Now non-power-of-two textures are automagically used. - [Texture] Resize textures to the maximum supported size if they exceed the max supported size and AGL_TEXTURE_RESCALE is used. - [Windows driver] Fixed uninitialized memory used for pixel format. This greatly speeds up context creation on NV drivers. - [Core] Removed Direct/Indirect screen modes. They have been deprecated for the last 4 years anyway. - [Core] Added support for floating-point color and depth buffers in the core and in Windows. X support is still lacking. - [Windows Driver] Fixed some uninitialized variables as pointed out by Daniel Schlyder. - [Examples] Added a mipmapping w/ aniso example. - [Windows Driver] Fixed a crash that happens on full-screen modes due to not having set-up the HDC correctly in some cases. - [Core] Now suggesting settings that were not explicitly set by the user. This fixes some performance issues, where AGL would pick high-sample multisampling modes when none was needed. - [Texture] NP2 textures now fail to load if RESCALE is not specified and ARB_texture_non_power_of_2 is not supported. - [Texture] Added many more helpful debug messages when uploading textures in the debug log. - [Allegro Driver] Added support for clipping and subbitmaps to the video bitmap vtable. - [Allegro Driver] Use ARB_texture_np2 and ARB/NV_texture_rectangle if available. Removed support for non-power-of-2 bitmaps if neither of these extensions are present. - [AGLF] Fix crash bug detected by MSVC. - [Examples] extext needs to work around an Allegro 4.2.0 bug :( - [Examples] Fixed the mysha.pcx, which seems to have been corrupted. - [Build] Add Allegro's GCC version detect for the -mtune/-mcpu switch crap. - [Build] Fixed cygwin build to match Allegro's. - [Allegro driver] Fixed some depricated API calls into Allegro. - [Texture] Disable support for non-power-of-2 textures on NVIDIA and ATI cards that don't really support them put still report that they do. * Elias Pschernig - [GLext] Fixed build break under Linux. - [Allegro Driver] Added vtable entries for Allegro 4.1.17 WIP. - [Allegro Driver] Added vtable entries for Allegro 4.1.18 (patch was applied with modifications to work with older versions of Allegro). - [X Driver] Fixed random crashes due to a misplaced XUNLOCK() call. Some X functions were still being called after the unlock. - [X Driver] Fixed "X connection to :0.0 broken (explicit kill or server shutdown)" problem. - [GLext & Texture] Fixed some pointer sign-ess issues. - [X Driver] Fix broken hardware cursor hiding under X11 with AllegroGL. - [AGLF] Add proper support for truecolor fonts. - [X Driver] Fixed an async reply introduced by the previous cursor fix. - [AGLF] Fixed get_text_length() for AllegroGL fonts with a non-integer scale. - [Build] removed bogus default makefile from SVN. - [Windows Driver] Added a hack which creates a temporary window to retain focus with the application while switching from windowed to fullscreen mode under Windows XP. - [Docs] Only create HTML (not RTF) per default. - fixed doxygen markup - Added a new example "fonttest.c". - Hacked in a cludge to make AllegroGL work together with changed X11 window handling in Allegro 4.2.1 - Adjusted the log style to match Allegro's, basically, have a prefix for each line, and no more empty lines - Added license information - GL_MODELVIEW_MATRIX was used instead of GL_MODELVIEW * Milan Mimica - [Examples] Fixed the examples so that they compile under MSVC again. - [Windows Driver] Added the ability to query the list of supported display modes through get_gfx_mode_list(). - [AGLF] Fixed a potential return of garbage value from font_height(). - [AGLF] Updated font vtable entries for allegro 4.2.0b. - [Allegro Driver] Fixed a compiler warning. - [AGLF] Fixed detection of recent versions of Allegro. - [Core] Fixed texture generation for 1-high bitmaps. - [AGLF] Added vtable implementation for all of the Allegro font routines. - [AGLF] Fixed extract_font_range() to match the new Allegro behavior. - [X driver] Fix build problem from X icon fix. - [Examples & Allegro Driver] Fixed pointer sign-ness issues. - [Windows Driver] Windows refresh rate fix. - [Build] MSVC build fix. - [Build] Added STATICTUNTIME, MSVC7 and MSVC8 support. - [AGLF] Made new translucent fonts (created with make_trans_font in Allegro) work. - [Docs] Docs update for new MSVC targets and user-frendly messages. - using M4 script to detect installed allegro version - MSVC makefile fixes: fixed linking problem and changed 'delete' to 'del' - adding rest() calls to some examples - fixing compiler errors with nvidia OGL headers installed - set executable permissions to libagl.so on unix - adding directories for static linking on unix - fixed memory leak in agl_merge_fonts and agl_extract_font_range - fixed several Xlib async replies - fixed font splitting - some fixes to the windows msg logging - msvc makefile fix: put obj files in right places - fixed floating point color format detection under windows - fixed a bug that lead to inconsistnecy in scorer on windows - added the ability to use GLXFBConfig instead of XVisualInfo routines on X11 port, if available - fixed blitters for NPOT bitmapts when no NPOT extension is available. - fixed make install with MSVC - made windows select_pixel_format more robust - workaround the problem when system headers do not define GLX_SAMPLES - fixed a issue with some Intel drivers that do not export glSampleCoverageARB but do export the non-ARB version - made LOGLEVEL env variable work on MSVC build - added full support for OpenGL version 2.1. Added 9 new extensions: - GL_EXT_stencil_clear_tag - GL_EXT_texture_sRGB - GL_EXT_framebuffer_blit - GL_EXT_framebuffer_multisample - GL_MESAX_texture_stack - GL_EXT_timer_query - GL_EXT_gpu_program_parameters - GL_APPLE_flush_buffer_renge - GL_EXT_stencil_clear_tag * Milan Mimica & Daniel Schlyder - [Windows Driver] Added support for requesting a refresh rate. * Peter Wang - [X Driver] Fixed the double-free-of-screen problem that's been plaguing the X port. - [GLext] Release the GL driver shared object once we're done querying it. - [Build] Added a --quick parameter to fix.sh. - [X Driver] Fixed an async reply due to glXSwapBuffers. - [Build] Added support for @libdir@ to the unix makefile. * Evert Glebbeek - [X Driver] Fixed icon. A generic icon gets loaded instead of the Allegro one. * Andreas Rönnquist - [X Driver] Reported a bug where availability of XCursor extension at compile time was not checked for. * Peter Hull - [Allegro Driver] Fixed double free when creating a video bitmap fails. - [OSX Driver] Mapping of allegro_gl_set constants to Apple pixel format was faulty (for example, requested Stereo even if the programmer asked for 'not Stereo'). - [OSX Driver] Default setting of Scissor region appears not to be the full screen (see exmipmaps) - now set explicitly. - [OSX Driver] Mouse setup not correct w.r.t hardware cursor (see recent change to Allegro proper). - [OSX Driver] Used an NSOpenGLView instead of plain of NSView - code is a bit neater. - [OSX Driver] Threads now use the _unix_* functions defined by Allegro instead of the bare pthreads. - [Allegro Driver] Workaround for crash in glRasterPos for Mac OSX 10.2.x - [GLext] On Mac OSX 10.2.x, NV_texture_rectangle is called EXT_texture_rectangle - Fixed a problem in screen_masked_blit_standard. - Added different blit modes, such as masked_blit and draw_sprite with power of two and non power of two bitmaps - Removed some unused variables and fixed colour conversion on Intel Mac - Fixed crash if mysha.pcx is not present * Sam Hocevar -fixed an oversight breaking 4.2.0 compatibility * Daniel Schlyder - Fixed an assertion when changing graphics modes under Windows. * Inphernic - made AGL on Windows pick a refresh rate as close as possible to 60Hz, if the requested refresh rate is not available. Changes from 0.2.2 to 0.2.4 --------------------------- * Robert J Ohannessian - [Windows driver] Re-fixed the second-set_gfx_mode()-call-fails problem. This was fixed on CVS at some point, but the fix was undone due to the input focus problem. This has since been corrected. - [Windows driver] Fixed the WGL_p_f problems under NV1x. Basically, we were querying for multisampling when multisampling wasn't supported. - [Windows driver / X driver] Screen video ID is now MAX_ID, not 1000. This should fix issues with programs that create more than 1000 video bitmaps. - [Allegro driver] Using GL_MESA_pack_invert when we can. - [Allegro driver] Added screen->video blits (untested) - [Windows driver] Overhauled error detection. - [Windows driver] Code clean-up. * Bertrand Coconnier - [Allegro Driver] Added support for RLE sprites. - [X driver] Added an error handler for X windows : X errors are now caught by AGL and reported to the log file. - [X driver] Elias Pschernig reported a bug in the DRI drivers for ATI card with R200 chip. A workaround has been added in order not to crash DRI drivers when AGL quits. Changes from 0.2.0 to 0.2.2 --------------------------- Note: AllegroGL 0.2.2 is NOT ABI compatible with AllegroGL 0.2.0 * Bertrand Coconnier - [Core] Added multisampling support. - [GLext] Changed the namespace of extension pointers in order to avoid name clashes between libagl.* and libGL.so under Linux. - [Build] Windows build does not install glX headers anymore *nix build does not install wgl headers anymore. - [X Driver] Made vsync() functional for GL drivers that support GLX_SGI_video_sync. - [Build & GLext] Alias headers are now automagically built - [Build] By default, AGL is now built as a shared library under *nix - [GLext] AGL now tries to use static linking for glXGetProcAddress[ARB] when libdl.so is not available. * Robert J Ohannessian - [Windows Driver] Fixed Multisampling support in the Windows port. - [Windows Driver] Using WGL_ARB_pixel_format for the pixel format selection, if available. - [Build] Fixed MSVC makefile to use -GF (read-only string pooling) instead of -Gf (read/write string pooling), as -Gf is deprecated. - [GLext] Added GL_EXT_blend_equation_separate, GL_MESA_pack_invert and GL_MESA_ycbcr_texture. - [Allegro Driver] Updated for 4.1.13 vtable changes. Bug pointed out by Peter Hull. - [Scorer] Correctly set the color depth if not set by user. - [GUI] Fixed potential memory leak. - [Windows driver] Improved error checking. - [GUI] Fixed mouse cursor being incorrectly displayed. Changes from 0.1.4 to 0.2.0 --------------------------- * Elias Pschernig - [Allegro Driver] Fixed a bug when dealing with blitting memory sub-bitmaps to the screen. - [Allegro Driver] Fixed a bug when blitting from memory to video bitmaps. - [Allegro Driver] Added support for blitting to video subbitmaps. - [Allegro Driver] Fixed drawing method of flipped sprites in order to prevent (some) OpenGL drivers to clip the whole sprite whenever it touches the screen edge. * Robert J Ohannessian - [Examples] Added missing text_mode(-1) call in dumbtest. - [Examples] Fixed exalpfnt to redraw itself continuously. Resolves issue with occluded window under Windows. - [GUI] Fixed GUI viewport DIALOG proc not clearing depth buffer bug - [Allegro Driver] Fixed function prototypes so that text output would work with Allegro WIP 4.1.4 and up. - [Allegro Driver] textout() on monochrome fonts now supports opaque background colors. - [Allegro Driver] Colored fonts text output uses alpha testing instead of blending to draw transparently. - [Allegro Driver] Replaced some get/set pairs with push/pop attribs. - [Allegro Driver] In Allegro mode, depth writes are disabled. - [Build] Batch files removed. They never worked right anyway. - [Windows Driver] We now set up some default values for the modelview and projection matrices and the viewport. This is a workaround for buggy drivers. - [Docs] Updated howto, quickstart and readme. - [Allegro Driver] Default filtering for video bitmaps is now GL_NEAREST. - [Windows Driver] Added a workaround for the input focus problem on app launch. - [Docs] Updated font section, depricating the system fonts functions. - [Windows Driver] Binding to texture 0 on init to go around a bug in some GL drivers. - [Core] Added GL extension library, to automatically load all known GL extensions. Removed need for GLsdk. - [Font] Fixed font splitting code. - [Texture] Updated texturing code. Removed the ever increasing need for more state, using automatic mipmap generation or our own mipmap generator, depending on availability, to avoid dependency issues with GLU. - [Examples] Fixed excamera's text drawing code - [All] Updated AllegroGL to build with Allegro 4.0 and Allegro WIP 4.1.12 and over. - [All] OpenGL Extensions are better detected and used. - [aglf] Textures used by fonts are queryable now - [Docs] Various doc updates - [GLext] Workaround for broken MESA/SGI headers. - [Build] Removed extra space character in fix.sh script - [Texture] Packed pixel formats don't seem to be correctly supported on any Voodoo cards. Disabling them for now. - [Texture] Voodoo cards seem to be limited to 32x32 textures when mipmapping is used. We rescale if possible, or otherwise disable mipmaps. Credit to 'Mutator' for helping in debugging. - [Texture] Workaround for crash on Matrox G200 cards. gluBuidl2DMipmaps doesn't seem to be affected, so we're using that; up-converting bitmaps to 24-bpp if needed. Credit to 'Rash' for helping in debugging. - [Texture] Workaround for Matrox G200 not interpreting the internalformat parameter to glTexImage?D correctly. - [Font] Better spaced out fonts to avoid glitches. - [Font] Fixed a bug that would sometimes cause fonts to allocate twice the texture space it really needs. - [Font] Fixed maximum texture size to 32k * 32k for fonts. - [Allegro Driver] Priliminary fix for problems drawing on an ATI Rage Pro glVertex2i is incorrectly implemented. Using glVertex2f instead. - [GLext] Added OpenGL 1.5 support - [GLext] Exposing the list of available GL extensions. - [Examples] Fixed some issues with the exext example. - [Texture] agl_check_texture() now uses agl_make_texture_ex() to check for texture validity, which makes it much more accurate. Also saves us from having the same code written twice. - [Texture] Added the missing agl_check_texture_ex(). - [AGLF] Logging gross font area as well as net. - [Core] Moved Voodoo 1/2/3 detection code with the others. - [Texture] Using max texture sizes check before trying to upload textures. Should prevent Radeon drivers from crashing. - [Texture] Lots of little doc updates. - [Texture] agl_make/check_texture[_ex]() now restores the texture binding. - [Texture] Texture flip flag was ignored (AGL always flipped). Fixed now. - [Windows Driver] Screen mode reset code simplified and corrected. Hangs on mode reset, and double resets shouldn't happen any more. - [Windows Driver] Input focus bug on full-screen modes should be fixed now for Win2k/XP/98. - [Windows Driver] Some minor code clean-up. - [AGLF] Correctly checking for valid texture before uploading. - [Texture] Correctly round on downsampling when building mipmap stack. - [Core] Setting up Allegro RGBA shift values to be compatible with GL (instead of the other way around). This should solve the discoloration issues some people were having. - [Examples] Simplified some examples, removed dead code. - [Examples] Added more test cases to extextur. - [Texture] Using GL_INTENSITY instead of GL_ALPHA for 8-bpp textures. - [Core] Added Radeon 7000 detection - [Texture] Workaround for SGIS_generate_mipmap bug in Radeon 7000. - [Texture] Fixed mipmap generation code (Allegro path). Thanks to 'Kitty Cat' on allegro.cc for his help. - [Examples] Added new example (exext.c) to show how to use the GL extension mechanism present in AGL. - [X Driver] Fixed a crash bug due to a bug in some DRI implementations. Elias Pschernig provided both the bug report and the initial fix. - [Allegro Driver] Binding to a 1x1 white texture when ATI Rage Pro is detected to work around a a bug in ATI's OpenGL drivers. - [Examples] Fixed some issues with the exext example. * Bertrand Coconnier - [Windows Driver] Fixed the gfx mode setting so that the desktop does not flicker anymore when AGL tests pixel formats on temporary windows. - [X Driver] Sync with Allegro : disabled hackish centering code in fullscreen mode (after Eric Botcazou's fix in Allegro). - [Allegro Driver] For clarity sake, splitted glvtable.c into glvtable.c (for screen vtable) and videovtb.c (for video bitmaps vtable) - [Ext] Fixed a typo in the definition of AGL_DEFINE_PROC_TYPE. - [Examples] exmasked now uses alpha test instead of blending. - [Texture] Fixed a bug that prevented OpenGL 1.1 ICDs to use the packed pixels extension. - [Allegro Driver] Added "standard" masked_blit methods for memory->screen and video->screen blits. - [Allegro Driver] Fixed a bug in the clipping code of blits (destination bitmaps were not correctly clipped). - [X & Win Driver] Constified extensions strings of WGL and glX. - [Texture] Moved the code chunk that converts mask colored pixels into RGBA values. It is now in a separate function so that the masked_blit method can also reference it. - [Allegro Driver] Added an optimized version of masked_blit that uses GL_NV_register_combiners to convert mask colored pixels into RGBA pixels. - [Allegro Driver] Modified masked_blit and draw_sprite_*_flip methods in order to make them fully functionnal (added horizontal & vertical flipping) - [Allegro Driver] Implemented the pivot_scaled_sprite_flip method. - [Headers] Moved internal structs from alleggl.h to allglint.h - [Allegro Driver] Added a new AGL_VIDEO_MEMORY_POLICY option to allegro_gl_get/set. - [Allegro Driver] Added another optimized version of masked_blit which implements the method that Bob has suggested in the mailing list (textures combination). - [Allegro Driver] Modified the drawing routine of the mouse cursor so that it uses alpha testing instead of blending. - [Build] Modified the makefile for Unix platforms in order to use the common makefile "makefile.all" - [X Driver] Fixed some memory leaks. - [X Driver] X window should now be correctly restored when XF86Vidmod fails. - [X Driver] Fullscreen modes can now be fetched by Allegro. - [Build] AllegroGL can now be built as a shared library under *nix. - [Texture] Added a new function allegro_gl_flip_texture() so that textures can optionnaly not be flipped when allegro_gl_make_texture() or allegro_gl_make_masked_texture() are called. - [Allegro Driver] Fixed typo in masked blit code, standard path. - [Allegro Driver] Driver vtable is now built after extensions are loaded to be able to use them properly. - [Allegro Driver] Numerous bug fixes to the blit() code. - [Makefiles] Fixed install/uninstall of GL extension headers. - [Extensions] Fixed compilation error under GCC 3 * Angelo Mottola - [OSX Driver] Added MacOSX port. - [Allegro Driver] Fixed incorrect computation of triangle()'s dirty rectangle for video bitmaps. - [Allegro Driver] Fix for vline/hline missing-a-pixel-at-the-end bug, using work-around by Robert J Ohannessian. - [Docs] Documented installation procedure for Mac OS X Changes from 0.1.2 to 0.1.4: ---------------------------- * Bertrand Coconnier - [X Driver] Fixed the 'motion blur' bug for mouse cursor. - [Generic Driver] Modified AMesa in order to support Mesa 4.0.2 and higher. - [Generic Driver] Added partial support of Allegro 3D primitives for faster rendering. - [X Driver] AGL now checks at run-time if pthread support is enabled. (The current behaviour is to generate a fatal error if pthreads are disabled but this may change in the future). - [Allegro Driver] Fixed a bug in allegro_gl_screen_draw_glyph that made glyphs to be drawn at the wrong location on sub-bitmaps. - [Core] Fixed a bug in allegro_gl_set_projection : glViewport values were not taken into account. - [Build] Fixed a bug in the Unix install process (bug reported by Benny Kramek). - [GUI] Added the GL viewport object : d_algl_viewport_proc - [X Driver] Fixed a bug that prevented SCREEN_W and SCREEN_H to be set to correct values if the dimensions of the fullscreen display did not match those asked by the user (bug reported by Benny Kramek). - [X Driver] Added size and position hints for the Window Manager in order to prevent the window to be resized (issue reported by Benny Kramek). - [Ext] Added AGL_DEFINE_PROC_TYPE in order to hide the need of APIENTRY for Windows platforms (issue reported by Andrew Bainbridge). - [Ext] Cleaned up the code. AllegroGL no longer tries to define GL 1.2 features itself. Use GLsdk instead. This removes some conflicts with GL/glext.h in Windows. - [Docs] Some tiny documentation updates. - [Allegro Driver] Added ability to draw characters and 256 color sprites on the screen bitmap. - [X Driver] Fixed a bug that made AGL crash when trying to switch several times between the Allegro's DGA2 driver and the AGL's OpenGL driver (thanks to Chris Martens for pointing out the fix). - [Texture] Changed the default settings of the texture created by 'allegro_gl_make_texture' with mipmapping disabled : bilinear filtering is now disabled for consistency with the behaviour of the same function when mipmapping is enabled (issue reported by Steve Apostol). - [Core] Fixed a bug where AGL overwrited mask colors of Allegro's vtables and did not set them back to their previous values when switching back to a non-OpenGL mode (bug reported by Chris Martens). - [Core] Added the ability to manipulate AGL's mouse cursor with Allegro's functions : show_mouse, set_mouse_sprite, scare_mouse,... - [Build] Fixed a bug in the DJGPP build process : agl_ext.h was not built (bug reported by Jeff Hurdle) - [Windows Driver] Fixed a bug that prevented WGL extensions to be written in the log file. - [Ext] Fixed GLsdk integration : renamed AGL_EXTENSIONS to AGL_USE_EXTENSIONS (issue reported by Igor Gnip) - [Core] Added a workaround for buggy proxy textures management of GL drivers based on Mesa/DRI (bug reported by Steffen Hein). - [Generic driver] Fixed a bug related to generation of masked textures from a 15 bpp bitmap. * Peter Hull - [AGLF] Fixed a bug in fontconv.c where texture sizes were sorted before they were set up. * Eric Botcazou - [Windows Driver] Fixed a bug that made AGL unable to change the color depth of the window (Allegro 4.1.1 WIP or higher is needed). The bug was reported by Martin Dusek. * Robert J Ohannessian - [Allegro driver] Fixed video bitmap creation code for bitmaps that have a dimension that is a multiple of 256. - [Build] Fixed warning with -mpentium on DJGPP and Mingw. Now using -mcpu=i586. * Chris Graham - [Allegro driver] Switched the y1 and y2 coordinates in agl_screen_rectfill. (Some drivers seem not to like upside-down rectangles). - [Ext] Fixed a bug where AGL claimed in the log file that it both failed and succeeded to load an extension (actually AGL failed). - [Core] Fixed a bug where OpenGL strings returned as NULL caused "allegro_gl_is_extension_supported" to crash (issue reported with Mesa). - [Windows driver] Made the test window size the same as the requested resolution so that fullscreen-only drivers do not crash anymore. - [Core] Made AllegroGL to default the OpenGL version to 1.0 when the drivers do not return any version info. * Igor Gnip - [Build] Fixed the Windows build with Mingw tools so that the build sequence can run even if sh.exe is found in PATH - [Ext] Fixed our copy of GLsdk so that it can be built with Mingw32-2.0.0.3 Changes from 0.1.0 to 0.1.2: ---------------------------- * Robert J Ohannessian - [Texture] Workaround for GL drivers that convert textures to 16-bit even when 32-bit was requested (thanks to Nick Davies for pointing out the fix). - [Docs] Fixed the demo program in quickstart.txt - [Build] Fixed include dir in makefiles - [AGLF] Made scale factor in AGLF conversion be able to flip y-axis. - [Allegro Driver] Added clip support for the screen and sub-bitmaps thereof. - [Build] Fixed various issues with the Windows makefiles. - [Allegro Driver] Added ability to blit from memory bitmaps of arbitrary depth to the screen and video bitmaps. - [Ext] GLsdk integration. AGL should now be able to detect and link to GLsdk if the user puts it in the add-on directory. This allows usage of GL 1.3 and extensions under Windows and Linux. - [Core] Made double buffering, and hardware acceleration default settings. You don't need to specify those any longer unless you want to require them. - [Windows Driver] Bug fix in the Windows full screen color depth detection code. (thanks to George Foot for pointing it out) - [Docs] Various documentation updates - [AGLF] Fixed a bug in the system fonts in AGLF. A float was accidentally type changed to an int. - [Examples] Fixed yaw/pitch/roll in excamera.c. Thanks to George Foot for the correct equations! - [Math] Fixed a bug in excamera.c and maths.c which caused glRotate to rotate around a zero vector. - [Allegro Driver] Text partially off screen renders correctly now. - [Scorer] Added RGBA accumulator depth - [Core] Added extra checks to make sure the user doesn't call GL commands without a valid context. * Hein Zelle - [Build] Changed the schell script of utod and dtou so that they can work on more platforms (Irix comes to mind). * Bertrand Coconnier - [Allegro Driver] Added sub-bitmap support for the screen - [Ext] Added GLsdk integration to the Unix build process. - [X Driver] Fixed a bug that prevented the Packed Pixels extension to be correctly handled. - [X Driver] Added a specific "Expose" event handler to AGL. - [Core] Added 'allegro_gl_error' variable in order to complete usual allegro error messages - [Core] Added 'allegro_gl_set/unset_allegro_mode' functions. These functions should now replace the 'allegro_gl_set/unset_projection' pair (which have been kept for backward compatibility). * George Foot - [GUI] Added GUI manager routines - [Build] Updated the MSVC build batch files to include gui.c and exgui.c - [GUI] Made the mouse cursor hide when the pointer is outside the window * Nick Sumner - [Texture] Fixed internal type for 32 bpp textures Changes from 0.0.24 to 0.1.0: ----------------------------- Note: AllegroGL 0.1.0 is NOT source compatible with AllegroGL 0.0.24 * Bertrand Coconnier: - Changed the DOS port into a generic driver that can either be built on DOS or Unix platforms (thanks to Allegro and Mesa portability !). - Upgraded the DOS (aka generic) driver to Mesa 4.0 (splitted amesa.c into amesa.c and raster.c) - allegro_gl_get_proc_address now works for the DOS (aka generic) driver too. - Added automatic dependencies generation for the Unix build. - Fixed the draw_glyph method of the generic driver. - Fixed the DJGPP makefile (according to Bob's new makefile system). - Fixed the color conversion problem of the generic driver (RGB components were sometimes mixed up) - Fixed a bug in the glClear method of the generic driver : it now takes glClearColor into account. - Fixed a bug that made the generic driver overwrite Allegro's vtables, thus rendering Allegro graphic functions useless. - Fixed a bug in 'remove_allegro_gl' : Allegro's gfx drivers are now correctly restored . - In alleggl.h, the prototypes of the functions that manage OpenGL extensions are now included in 'extern "C"' : they can now be used in a C++ prog. - Added an example (exgui.c) of how to use Allegro GUI routines within AllegroGL - Fixed a tiny bug in (and BTW simplified) the clear_to_color method. * Robert J Ohannessian: - Updated the Mingw compilation instructions. - Updated makefile system to be more consistent with itself and with Allegro's. MSVC and Mingw are done. Unix and DJGPP are pending. - Fixed a bug in allegro_gl_printf() that caused it to not restore the texture binding in some circumstances. - Documented strange behaviour of OpenGL - the default texture is not 0 if you use glGetIntegerv(GL_TEXTURE_2D_BINDING). - Added a new example/tutorial to show how to use a camera with quaternions in OpenGL. - Removed ability to draw AllegroGL fonts using Allegro functions. Use AGL functions for AGL fonts, and AL functions for AL fonts. - Glyphs are now sorted and fitted to textures. This should reduce wasted texture space, and fix some problems on Voodoos (but not all). - AllegroGL now *requires* Allegro 4.0.0. - Fixed most compilation warnings. - Cleaned up conversion code, and split aglf.c to fontconv.c - Reduced memory used by converted font. - Blank space in glyphs is now cropped to save more texture space. The example programs should now work on the Voodoos. - Font conversion code now takes a scaling factor (see docs for details). Use 16.0 so fonts get generated as in 0.0.24-. - Slight tweak in the alpha font converter so that end value range is [0..255] and not [0..254]. - Added ability to save/load current configuration. - Made set_color_depth be respected by AllegroGL, but only if the other AllegroGL functions weren't being used. * George Foot: - Fixed the Unix makefile - Added the capability of having glyphs placed arbitrarily in a texture. * Julien Cugniere: - Fixed a bug in allegro_gl_screen_triangle so that 2D triangles are not drawn twice anymore. * Igor Gnip: - Added the STATICLINK option for Mingw and MSVC compilers Changes from 0.0.22 to 0.0.24: ------------------------------ * Bertrand Coconnier: - Added 24 bpp support to the DOS port - Added an experimental scorer to the DOS port - The Read and Draw buffers are now handled by two different pointers on the DOS port. - Changed every GL_TEXTURE_2D_BINDING to GL_TEXTURE_BINDING_2D (the later is the only one which is compliant with OpenGL specifications). * George Foot - made the fix scripts create target directories Changes from 0.0.20 to 0.0.22: ------------------------------ * Bertrand Coconnier: - Revamped the DOS build process - Fixed a bug in "allegro_gl_check_texture" - Added support for OpenGL extensions mechanism - Fixed GFX_VTABLE and Allegro headers location to compile with WIP 40 - Fixed a bug in "allegro_gl_make_masked_texture" (mask color sometimes needs to be updated). - Fixed the color conversion bug for video bitmaps thanks to Bob's Allegro patch (e.g. blit_between_formats) - Added support for X fonts * Robert J Ohannessian - Fixed MSVC makefile so that "make clean" works again - Made allegro_gl_begin/end nops. * George Foot - Added alpha map fonts - Updated vtable checks to support Allegro 4 Changes from 0.0.18 to 0.0.20: ------------------------------ * Bertrand Coconnier: - Doc updates. - Fixed the GFX_VTABLE 'hfill' entry which must not be NULL. * Robert J Ohannessian - Fixed textout not working on non-square fonts. The bug crept back during an earlier patch, sorry. - Doc updates. - Fixed windowed mode bug in Windows. - Fixed GFX_VTABLE to compile with WIP 39 (added hrect field) - Fixed multi-range TEXTURED fonts. Changes from 0.0.16 to 0.0.18: ------------------------------ * Bertrand Coconnier: - Fixed the allegro_gl_screen and __allegro_gl_memory deallocation bug. - Fixed the reinitialization of keyboard and mouse when set_gfx_mode is called. - Added lots of debug info on the Unix build. - Added a DOS driver for rendering via Mesa. OpenGL programs can now be written for DOS! - Added the ability to hint windowness to the graphics driver. - Fixed a bug in exalleg which caused textures to not show up in 32bpp. - Determined the glvtable bug. - Added alpha channel support for 32 bpp in X. - Fixed the problematic color depth problem. - allegro_gl_printf now behaves accordingly to the value set with allegro_gl_use_alpha_channel. * Robert J Ohannessian - Lots of doc updates. - Bug fixes in the mono glyph drawing routine (incorrect width, and texture binding) - Allegro functions (glvtable) now reset the texture binding to 0 when called to fix problems when lines and points were drawn with a texture; Bertrand found the bug. - Added warning for unsupported platforms. - Fixed blitting to the screen from a < 24bpp bitmap in Windows. - Fixed a crashing bug when AGL wasn't able to properly set up a mode. - Added extra debug info to the Windows driver - Tweaked the scorer a bit to get better modes. Color depth is now better considered, and acceleration gets a bonus. Changes from 0.0.14 to 0.0.16: ------------------------------ * Steffen Hein - Fixed compilation warning * Robert J Ohannessian - Fixed error in texture uploading code. - Added a new example (extextur) which tests texturing and blending. - Added another example that tests the texture-bitmap masking code. - Fixed a bug that made AllegroGL overwrite Allegro's vtables, thus rendering Allegro graphic functions useless. - Added the (incomplete) video bitmap vtable. Only create/destroy/ putpixel/getpixel are supported. - Added an fps counter, and fixed the double buffering bug in dumbtest. - Added some simple Allegro calls in exalleg. - Updated docs, added a buglist. - Added RGBA depths to the scorer system, including depth guessing. - Replaced incorrect blending modes with ones that work. - Added priliminary support for video bitmaps through textures. vline/hline/line/rectfill and video->screen blits are supported. (need latest CVS of Allegro, or 3.9.38). - Fixed the 2D projection matrix to work with exact coordinates (according to the red book anyway) - Fixed a bug that made AllegroGL crash when doing screen->memory blits. * Bertrand Coconnier - Removed the -g switch for the Unix optimized build - Fixed a bug that generates a segmentation fault when the app switches between fullscreen and windowed mode in X. - The X fullscreen functions have been merged with the windowed ones (it allows to share much code between the two drivers) - Mouse should work under fullscreen in X. - X Fullscreen driver should also cleanly quit. - Cosmetic changes in the X code (ustrzcpy, h/w acceleration detection, extra debug info) * George Foot - Updated the screen vtable to fix pixel alignement issues. - Fixed the draw_glyph() problem: textout with regular Allegro fonts works! - Added blit_to_self to the screen vtable. Now screen->screen blits work. - Added a configure script. Now AGL can be compiled in X by running configure/make/make install. Video driver is now detected dynamically. - Debugging those incorrect blending modes (see above) Changes from 0.0.12 to 0.0.14: ------------------------------ * Eric Botcazou - made AGL re-read the desktop depth in select_pixel_format() to go around a bug in Win95. - Fixed the window-can-be-resized bug in the Windows port. * Robert J Ohannessian - Fixed a bad bug in the texture uploading code. AllegroGL should now properly work in alternate color depths (thanks to stoney``, _deserel and networm, from #allegro on EFNet for the bug reports!) - Added the allegro_gl_opengl_version() function. - Bug in 32bpp modes - Allegro loads bitmaps with alpha channel set to 0. This causes textures to not show up (documented) - Updated the docs for the texture routines. - Renamed the LOG macro to AGL_LOG to avoid conflicts. - Added a compile-time version check for Allegro. - Added a compile-time version check for OpenGL 1.1 - Removed the AGL_PPT and AGL_PPF macros - they don't make sense anymore, and replaced them with new functions (allegro_gl_get_texture_format() allegro_gl_bitmap_color_format() and allegro_gl_bitmap_type()) - Fixed the color bug in extext - Merged the texturing code from AGLF and AllegroGL - Added a new option for mipmapping. - Improved the visuals in the extext example. - Split alleggl.c into alleggl.c and texture.c - Fixed character alignment bug in AGLF. - Fixed incorrect character sizes in AGLF. Also made 16 pixels = 1.0 units in the Allegro->Textured code (documented). - Fixed "polygons being always culled" bug in AGLF (thanks to Bertrand & dusekm for the bug reports). - Added a main page to the Doxygen generated documentation. Rearanged the readme and quickstart guides. Added a FAQ. * Bertrand Coconnier - Fixed the warnings when compiling texture.c Changes from 0.0.10 to 0.0.12: ------------------------------ * Eric Botcazou - removed all the Windows specific hooks into Allegro internals. It lets AllegroGL reuse the Allegro window in a way similar to that of the Allegro windowed drivers. AGL now requires WIP 34-35 to compile. - Fixed the mode set/reset bug. * Javier González - Changed the Mingw makefile to use DOS's 'copy' instead of 'cp' - Added the missing agl_begin/end around allegro_gl_make_texture(). - Made allegro_gl_make_texture upload bitmaps upside down, as they should be. * Bertrand Coconnier - added fullscreen support in X * Günter Ladwig - Fixed compilation warnings in glvtable.c * Peter Wang - Fixed warnings about 'memcpy' and 'memset' * Robert J Ohannessian - Merged AGLF into AGL. Now AllegroGL has proper text output support, can convert Allegro fonts, load system fonts... - Fixed the MSVC makefile to work with the Mingw tools, and under Win2k. - Made the Dialog example useful as a screen mode testing program. - Updated the MSVC batch files. - Documented aglf - Updated aglf to work with Allegro's new FONT structure. * Georges Foot - Changed documentation system to work with Doxygen, and documented most of the lib. - Added a new package: alleggl_docs for holding the generated documentation. Changes from alpha-8 to 0.0.10: ------------------------------- * John Harger - added support for Mingw. - made the Allegro window close, and new window open to make up for difficulties with Win95. - fixed the windowed mode border/title bar problem. * Igor Gnip - fixed Ming support (accidently broken by Robert) * Robert J Ohannessian - added the fixmsvc.bat script - fixed a bug in makefile.win where the command line would be too long to be passed to cl. Now using 'echo' to write to a temporary file. - added a todo/bug list file. - modified the 'tex' example to use H/W acceleration and no stencil buffer. - fixed the linking errors with C++ program (thanks to martinik for pointing it out!) - added a font conversion routine. Now textout works in AllegroGL (but breaks it in Allegro *grin*) - fixed up the scorer a bit and beautified its output. - added support for 32bpp. - added a Quat to glRotate conversion function. - added a work-around to get the proper color depth in Win95. - fixed various things in the full-screen mode-setting code for Windows. - made the windowed mode work regardless of suggested color depth. * Günter Ladwig - added the fixunix.sh script - removed the showing of the echo'ed commands in makefile.win - fixed the hardware acceleration bug on Voodoo's. - changed the color depth setting mechanism for full screen modes in Windows. * George Foot - did minor aesthetic changes to fixunix.sh - rearranged the directory structure of AGL - moved the documentation to a seperate tree. - fixed a bug in 'tex' regarding texturing being turned off. - added a logging facility and trace calls in 'glvtable.c' - disabled the mouse cursor in X - added 8bpp support and fixed the X mouse warping. - fixed various things in the full-screen mode-setting code for Windows.
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