Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 1 | <HTML> |
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| 3 | <TITLE>Mesa Release Notes</TITLE> |
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| 5 | <head><link rel="stylesheet" type="text/css" href="mesa.css"></head> |
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| 9 | <body bgcolor="#eeeeee"> |
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Brian | 4099531 | 2007-04-26 07:50:26 -0600 | [diff] [blame^] | 11 | <H1>Mesa 6.5.3 Release Notes / April 26, 2007</H1> |
Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 12 | |
| 13 | <p> |
Brian | e3caa5f | 2007-04-18 09:07:56 -0600 | [diff] [blame] | 14 | Mesa 6.5.3 is a development release with many changes and new features. |
| 15 | Mesa 7.0 is expected to follow shortly. |
Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 16 | </p> |
| 17 | |
| 18 | |
| 19 | <h2>MD5 checksums</h2> |
| 20 | <pre> |
| 21 | TBD |
| 22 | </pre> |
| 23 | |
| 24 | |
Brian | 535c37e | 2007-04-19 14:24:58 -0600 | [diff] [blame] | 25 | <h2>Shared library numbering</h2> |
| 26 | <p> |
| 27 | Mesa 6.5.3 supports the OpenGL 2.0/2.1 API. However, the (unix) |
| 28 | shared library version is still 1.5 (i.e. libGL.so.1.5.xxxxxx). |
| 29 | Bumping the shared library version to 2.x would cause linking problems |
| 30 | with existing OpenGL applications. Since OpenGL 2.x is backward |
| 31 | compatible with OpenGL 1.x the shared library version number doesn't |
| 32 | have to be incremented (which would indicate an incompatible ABI). |
| 33 | </p> |
| 34 | <p> |
| 35 | Other OpenGL vendors name their OpenGL 2.x libraries libGL.so.1.0.xxxxx |
| 36 | for the same reason. |
| 37 | </p> |
| 38 | |
| 39 | |
| 40 | |
Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 41 | <h2>New features</h2> |
| 42 | <ul> |
Brian | e3caa5f | 2007-04-18 09:07:56 -0600 | [diff] [blame] | 43 | <li>OpenGL 2.0 and 2.1 API support. |
Brian | 6d01f3f | 2007-04-18 09:28:38 -0600 | [diff] [blame] | 44 | <li>Entirely new Shading Language code generator. See the |
| 45 | <a href="shading.html">Shading Language</a> page for more information. |
Brian | fdf513e | 2007-03-13 16:12:23 -0600 | [diff] [blame] | 46 | <li>Much faster software execution of vertex, fragment shaders. |
Brian | e3caa5f | 2007-04-18 09:07:56 -0600 | [diff] [blame] | 47 | <li>New vertex buffer object (vbo) infrastructure |
Brian | d2ffe4c | 2007-02-20 08:38:46 -0700 | [diff] [blame] | 48 | <li>Updated glext.h file (version 39) |
Brian | d59e6f2 | 2007-04-22 15:32:10 -0600 | [diff] [blame] | 49 | <li>Updated glxext.h file (version 19) |
Brian | 23d31ef | 2007-03-21 11:57:30 -0600 | [diff] [blame] | 50 | <li>GL_MAX_DRAWBUFFERS is now 4 (software rendering) so |
| 51 | "multiple render targets" are really supported. |
Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 52 | </ul> |
| 53 | |
| 54 | <h2>Bug fixes</h2> |
| 55 | <ul> |
| 56 | <li>Fog was errantly applied when a fragment shader was enabled (bug 9346) |
Brian | 24cf67f | 2007-01-05 08:41:16 -0700 | [diff] [blame] | 57 | <li>glPush/PopClientAttrib didn't handle VBO bindings correctly (bug 9445) |
Brian | ade39f5 | 2007-01-06 12:58:28 -0700 | [diff] [blame] | 58 | <li>With 32-bit Z buffer, the fragment Z of lines and points was sometimes wrong. |
Brian | fdf513e | 2007-03-13 16:12:23 -0600 | [diff] [blame] | 59 | <li>GL_POST_CONVOLUTION_ALPHA_BIAS/SCALE was broken. |
Brian | 88db19a | 2007-03-21 09:45:58 -0600 | [diff] [blame] | 60 | <li>1D convolution state could effect 2D image transfers |
Brian | 4d864b0 | 2007-04-04 09:33:12 -0600 | [diff] [blame] | 61 | <li>Overlapping glCopyPixels with negative Y zoom didn't work (bug 10521) |
| 62 | <li>Fixed a number of framebuffer/renderbuffer reference counting bugs |
| 63 | <li>Fixed a few bugs in software-emulated alpha planes |
Brian | e3caa5f | 2007-04-18 09:07:56 -0600 | [diff] [blame] | 64 | <li>Assorted minor bug fixes in glCopy/DrawPixels, glPixelZoom, etc. |
| 65 | <li>Assorted DRI driver bug fixes. |
Brian | 535c37e | 2007-04-19 14:24:58 -0600 | [diff] [blame] | 66 | <li>Fixed a number of bugs that prevented "depth-peeling" rendering from working. |
Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 67 | </ul> |
| 68 | |
| 69 | |
| 70 | <h2>Internal code changes</h2> |
Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 71 | <ul> |
Brian | e3caa5f | 2007-04-18 09:07:56 -0600 | [diff] [blame] | 72 | <li>Old array_cache module replaced by new vbo module. All geometry |
| 73 | rendering is now cast in the form of vertex buffer objects. |
| 74 | <li>Massive changes to the Shading Language compiler and related state. |
| 75 | <li>Vertex/fragment shaders are compiled into GPU instructions and |
| 76 | programs very similar to GL_ARB_vertex/fragment_program. |
| 77 | <li>Vertex and fragment programs are executed with the same code now. |
| 78 | <li>The SSE-optimized vertex program path has been removed since it didn't |
| 79 | support more than 12 temp registers, didn't support branching/looping, etc. |
Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 80 | </ul> |
| 81 | |
| 82 | |
| 83 | <h2>To Do (someday) items</h2> |
| 84 | <ul> |
| 85 | <li>Switch to freeglut |
Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 86 | <li>Fix linux-glide target/driver. |
| 87 | <li>Improved lambda and derivative calculation for frag progs. |
| 88 | </ul> |
| 89 | |
| 90 | |
| 91 | <h2>Driver Status</h2> |
| 92 | |
| 93 | <pre> |
| 94 | Driver Status |
| 95 | ---------------------- ---------------------- |
| 96 | DRI drivers varies with the driver |
Brian | e3caa5f | 2007-04-18 09:07:56 -0600 | [diff] [blame] | 97 | XMesa/GLX (on Xlib) implements OpenGL 2.1 |
| 98 | OSMesa (off-screen) implements OpenGL 2.1 |
Brian | 4099531 | 2007-04-26 07:50:26 -0600 | [diff] [blame^] | 99 | Windows/Win32 implements OpenGL 2.1 |
Brian | e3caa5f | 2007-04-18 09:07:56 -0600 | [diff] [blame] | 100 | Glide (3dfx Voodoo1/2) implements OpenGL 1.3 |
| 101 | SVGA unsupported |
| 102 | Wind River UGL unsupported |
| 103 | DJGPP unsupported |
| 104 | GGI unsupported |
| 105 | BeOS unsupported |
| 106 | Allegro unsupported |
| 107 | D3D unsupported |
Brian | 6ec4a03 | 2006-12-16 11:09:14 -0700 | [diff] [blame] | 108 | </pre> |
| 109 | |
| 110 | </body> |
| 111 | </html> |