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-rw-r--r--src/mesa/main/shaderapi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index 68fb3faf0c6..325542e5230 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -77,6 +77,8 @@ _mesa_get_shader_flags(void)
flags |= GLSL_DUMP;
if (strstr(env, "log"))
flags |= GLSL_LOG;
+ if (strstr(env, "cache_fb"))
+ flags |= GLSL_CACHE_FALLBACK;
if (strstr(env, "cache_info"))
flags |= GLSL_CACHE_INFO;
if (strstr(env, "nopvert"))