This patch adds support for a new variable, MESA_GLSL_CACHE_DISABLE. If this variable is set, then all use of the shader cache will be disabled at run time. --- docs/envvars.html | 1 + src/glsl/cache.c | 4 ++++ 2 files changed, 5 insertions(+)
diff --git a/docs/envvars.html b/docs/envvars.html index 31d14a4..65db3a9 100644 --- a/docs/envvars.html +++ b/docs/envvars.html @@ -94,6 +94,7 @@ This is only valid for versions >= 3.0. 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) +<li>MESA_GLSL_CACHE_DISABLE - if set, disables the GLSL shader cache <li>MESA_GLSL - <a href="shading.html#envvars">shading language compiler options</a> </ul> diff --git a/src/glsl/cache.c b/src/glsl/cache.c index fd087db..da71868 100644 --- a/src/glsl/cache.c +++ b/src/glsl/cache.c @@ -51,6 +51,10 @@ cache_create(void) int fd; struct passwd pwd, *result; + /* At user request, disable shader cache entirely. */ + if (getenv("MESA_GLSL_CACHE_DISABLE")) + return NULL; + getpwuid_r(getuid(), &pwd, buffer, sizeof buffer, &result); if (result == NULL) return NULL; -- 2.1.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev