<li>MESA_GL_VERSION_OVERRIDE - changes the value returned by
glGetString(GL_VERSION) and possibly the GL API type.
<ul>
-<li> The format should be MAJOR.MINOR[FC]
-<li> FC is an optional suffix that indicates a forward compatible context.
-This is only valid for versions >= 3.0.
-<li> GL versions < 3.0 are set to a compatibility (non-Core) profile
-<li> GL versions = 3.0, see below
-<li> GL versions > 3.0 are set to a Core profile
-<li> Examples: 2.1, 3.0, 3.0FC, 3.1, 3.1FC
-<ul>
-<li> 2.1 - select a compatibility (non-Core) profile with GL version 2.1
-<li> 3.0 - select a compatibility (non-Core) profile with GL version 3.0
-<li> 3.0FC - select a Core+Forward Compatible profile with GL version 3.0
-<li> 3.1 - select a Core profile with GL version 3.1
-<li> 3.1FC - select a Core+Forward Compatible profile with GL version 3.1
-</ul>
-<li> Mesa may not really implement all the features of the given version.
-(for developers only)
+ <li>The format should be MAJOR.MINOR[FC|COMPAT]
+ <li>FC is an optional suffix that indicates a forward compatible
+ context. This is only valid for versions >= 3.0.
+ <li>COMPAT is an optional suffix that indicates a compatibility
+ context or GL_ARB_compatibility support. This is only valid for
+ versions >= 3.1.
+ <li>GL versions <= 3.0 are set to a compatibility (non-Core)
+ profile
+ <li>GL versions = 3.1, depending on the driver, it may or may not
+ have the ARB_compatibility extension enabled.
+ <li>GL versions >= 3.2 are set to a Core profile
+ <li>Examples: 2.1, 3.0, 3.0FC, 3.1, 3.1FC, 3.1COMPAT, X.Y, X.YFC,
+ X.YCOMPAT.
+ <ul>
+ <li>2.1 - select a compatibility (non-Core) profile with GL
+ version 2.1.
+ <li>3.0 - select a compatibility (non-Core) profile with GL
+ version 3.0.
+ <li>3.0FC - select a Core+Forward Compatible profile with GL
+ version 3.0.
+ <li>3.1 - select GL version 3.1 with GL_ARB_compatibility enabled
+ per the driver default.
+ <li>3.1FC - select GL version 3.1 with forward compatibility and
+ GL_ARB_compatibility disabled.
+ <li>3.1COMPAT - select GL version 3.1 with GL_ARB_compatibility
+ enabled.
+ <li>X.Y - override GL version to X.Y without changing the profile.
+ <li>X.YFC - select a Core+Forward Compatible profile with GL
+ version X.Y.
+ <li>X.YCOMPAT - select a Compatibility profile with GL version
+ X.Y.
+ </ul>
+ <li>Mesa may not really implement all the features of the given
+ version. (for developers only)
</ul>
<li>MESA_GLES_VERSION_OVERRIDE - changes the value returned by
glGetString(GL_VERSION) for OpenGL ES.
cache for x86_64 and another 1GB cache for i386.
<li>MESA_GLSL_CACHE_DIR - if set, determines the directory to be used
for the on-disk cache of compiled GLSL programs. If this variable is
-not set, then the cache will be stored in $XDG_CACHE_HOME/mesa (if
-that variable is set), or else within .cache/mesa within the user's
+not set, then the cache will be stored in $XDG_CACHE_HOME/mesa_shader_cache (if
+that variable is set), or else within .cache/mesa_shader_cache within the user's
home directory.
<li>MESA_GLSL - <a href="shading.html#envvars">shading language compiler options</a>
<li>MESA_NO_MINMAX_CACHE - when set, the minmax index cache is globally disabled.
Especially useful to toggle hud at specific points of application and
disable for unencumbered viewing the rest of the time. For example, set
GALLIUM_HUD_VISIBLE to false and GALLIUM_HUD_TOGGLE_SIGNAL to 10 (SIGUSR1).
- Use kill -10 <pid> to toggle the hud as desired.
+ Use kill -10 <pid> to toggle the hud as desired.
<li>GALLIUM_HUD_DUMP_DIR - specifies a directory for writing the displayed
hud values into files.
<li>GALLIUM_DRIVER - useful in combination with LIBGL_ALWAYS_SOFTWARE=true for
projects / mesa.git / blobdiff