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-rw-r--r--src/mesa/state_tracker/st_cb_clear.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c
index eae40f2a4f1..cc8a136292d 100644
--- a/src/mesa/state_tracker/st_cb_clear.c
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -544,6 +544,15 @@ clear_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
/* simple clear of whole buffer */
GLuint clearValue = ctx->Stencil.Clear;
+
+ switch (strb->surface->format) {
+ case PIPE_FORMAT_S8Z24_UNORM:
+ clearValue <<= 24;
+ break;
+ default:
+ ; /* no-op, stencil value is in least significant bits */
+ }
+
ctx->st->pipe->clear(ctx->st->pipe, strb->surface, clearValue);
}
}