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-rw-r--r--src/mesa/main/mtypes.h3
-rw-r--r--src/mesa/state_tracker/st_extensions.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 28d3d948fcd..efc69202540 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3908,6 +3908,9 @@ struct gl_constants
/** Used as an input for sha1 generation in the on-disk shader cache */
unsigned char *dri_config_options_sha1;
+
+ /** When drivers are OK with mapped buffers during draw and other calls. */
+ bool AllowMappedBuffersDuringExecution;
};
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index fffc0ef8ee3..2fa7ba7797e 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -463,6 +463,9 @@ void st_init_limits(struct pipe_screen *screen,
c->SparseBufferPageSize =
screen->get_param(screen, PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE);
+
+ c->AllowMappedBuffersDuringExecution =
+ screen->get_param(screen, PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION);
}