| Brian Paul | 0b27ace | 2003-03-08 17:38:57 +0000 | [diff] [blame] | 1 | <HTML> |
| 2 | |
| 3 | <TITLE>Environment Variables</TITLE> |
| 4 | |
| 5 | <BODY text="#000000" bgcolor="#55bbff" link="#111188"> |
| 6 | |
| 7 | <H1>Environment Variables</H1> |
| 8 | |
| 9 | <p> |
| 10 | Mesa supports the following environment variables: |
| 11 | </p> |
| 12 | <ul> |
| Brian Paul | b07d6a8 | 2004-02-02 22:35:55 +0000 | [diff] [blame] | 13 | <li>MESA_NO_ASM - if set, disables all assembly language optimizations |
| 14 | <li>MESA_NO_MMX - if set, disables Intel MMX optimizations |
| 15 | <li>MESA_NO_3DNOW - if set, disables AMD 3DNow! optimizations |
| 16 | <li>MESA_NO_SSE - if set, disables Intel SSE optimizations |
| 17 | <li>MESA_DEBUG - if set, error messages are printed to stderr |
| 18 | <li>MESA_NO_DITHER - if set, disables dithering, overriding glEnable(GL_DITHER) |
| 19 | </ul> |
| 20 | |
| 21 | <p> |
| 22 | The following environment variables are only applicable to the Xlib/X11 |
| 23 | software driver: |
| 24 | </p> |
| 25 | <ul> |
| Brian Paul | 0b27ace | 2003-03-08 17:38:57 +0000 | [diff] [blame] | 26 | <li>MESA_RGB_VISUAL - specifies the X visual and depth for RGB mode (X only) |
| 27 | <li>MESA_CI_VISUAL - specifies the X visual and depth for CI mode (X only) |
| 28 | <li>MESA_BACK_BUFFER - specifies how to implement the back color buffer (X only) |
| Brian Paul | 0b27ace | 2003-03-08 17:38:57 +0000 | [diff] [blame] | 29 | <li>MESA_GAMMA - gamma correction coefficients (X only) |
| 30 | <li>MESA_XSYNC - enable synchronous X behavior (for X debugging only) |
| Brian Paul | b07d6a8 | 2004-02-02 22:35:55 +0000 | [diff] [blame] | 31 | <li>MESA_GLX_FORCE_CI - if set, force GLX to treak 8bpp visuals as CI visuals |
| 32 | <li>MESA_GLX_FX - set to either "fullscreen" for full-screen rendering, |
| 33 | "window" to render into a window, or "disable" to disable the Glide driver. |
| Brian Paul | 4f6b1ad | 2004-07-23 15:49:12 +0000 | [diff] [blame^] | 34 | <li>MESA_GLX_FORCE_ALPHA - if set, forces RGB windows to have an alpha channel. |
| Brian Paul | 0b27ace | 2003-03-08 17:38:57 +0000 | [diff] [blame] | 35 | </ul> |
| 36 | |
| 37 | |
| 38 | </BODY> |
| 39 | </HTML> |