X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=docs%2Fenvvars.html;h=9e2f8163644fe5cac341f04c9572bceaa0c4d027;hb=dc6182fa3fea0de025f29591b9fd053fffe8bf8b;hp=5dd7bab2c664698e3c3050ea184cc8f07a2cddd2;hpb=2acfd364798fcefe09acffabb106c9732d403e6c;p=mesa.git diff --git a/docs/envvars.html b/docs/envvars.html index 5dd7bab2c66..9e2f8163644 100644 --- a/docs/envvars.html +++ b/docs/envvars.html @@ -46,6 +46,9 @@ sometimes be useful for debugging end-user issues.
  • MESA_NO_MMX - if set, disables Intel MMX optimizations
  • MESA_NO_3DNOW - if set, disables AMD 3DNow! optimizations
  • MESA_NO_SSE - if set, disables Intel SSE optimizations +
  • MESA_NO_ERROR - if set error checking is disabled as per KHR_no_error. + This will result in undefined behaviour for invalid use of the api, but + can reduce CPU use for apps that are known to be error free.
  • MESA_DEBUG - if set, error messages are printed to stderr. For example, if the application generates a GL_INVALID_ENUM error, a corresponding error message indicating where the error occurred, and possibly why, will be @@ -114,6 +117,20 @@ glGetString(GL_VERSION) for OpenGL ES. glGetString(GL_SHADING_LANGUAGE_VERSION). Valid values are integers, such as "130". Mesa will not really implement all the features of the given language version if it's higher than what's normally reported. (for developers only) +
  • MESA_GLSL_CACHE_DISABLE - if set, disables the GLSL shader cache +
  • MESA_GLSL_CACHE_MAX_SIZE - if set, determines the maximum size of +the on-disk cache of compiled GLSL programs. Should be set to a number +optionally followed by 'K', 'M', or 'G' to specify a size in +kilobytes, megabytes, or gigabytes. By default, gigabytes will be +assumed. And if unset, a maximum size of 1GB will be used. Note: A separate +cache might be created for each architecture that Mesa is installed for on +your system. For example under the default settings you may end up with a 1GB +cache for x86_64 and another 1GB cache for i386. +
  • 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 +home directory.
  • MESA_GLSL - shading language compiler options
  • MESA_NO_MINMAX_CACHE - when set, the minmax index cache is globally disabled. @@ -146,47 +163,49 @@ See the Xlib software driver page for details. This is useful for debugging hangs, etc.
  • INTEL_DEBUG - a comma-separated list of named flags, which do various things: +
  • INTEL_SCALAR_VS (or TCS, TES, GS) - force scalar/vec4 mode for a shader stage (Gen8-9 only)
  • +
  • INTEL_PRECISE_TRIG - if set to 1, true or yes, then the driver prefers + accuracy over performance in trig functions.
  • @@ -219,6 +238,8 @@ Mesa EGL supports different sets of environment variables. See the 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 to toggle the hud as desired. +
  • GALLIUM_HUD_DUMP_DIR - specifies a directory for writing the displayed + hud values into files.
  • GALLIUM_DRIVER - useful in combination with LIBGL_ALWAYS_SOFTWARE=1 for choosing one of the software renderers "softpipe", "llvmpipe" or "swr".
  • GALLIUM_LOG_FILE - specifies a file for logging all errors, warnings, etc. @@ -283,6 +304,8 @@ See src/mesa/state_tracker/st_debug.c for other options. (will often result in incorrect rendering).
  • SVGA_DEBUG - for dumping shaders, constant buffers, etc. See the code for details. +
  • SVGA_EXTRA_LOGGING - if set, enables extra logging to the vmware.log file, +such as the OpenGL program's name and command line arguments.
  • See the driver code for other, lesser-used variables.