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Diffstat (limited to 'mesalib/src/mesa/drivers/common')
-rw-r--r--mesalib/src/mesa/drivers/common/meta.c10
-rw-r--r--mesalib/src/mesa/drivers/common/meta.h3
2 files changed, 13 insertions, 0 deletions
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index 1683c85e9..c5c59ebee 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -985,6 +985,16 @@ _mesa_meta_end(struct gl_context *ctx)
/**
+ * Determine whether Mesa is currently in a meta state.
+ */
+GLboolean
+_mesa_meta_in_progress(struct gl_context *ctx)
+{
+ return ctx->Meta->SaveStackDepth != 0;
+}
+
+
+/**
* Convert Z from a normalized value in the range [0, 1] to an object-space
* Z coordinate in [-1, +1] so that drawing at the new Z position with the
* default/identity ortho projection results in the original Z value.
diff --git a/mesalib/src/mesa/drivers/common/meta.h b/mesalib/src/mesa/drivers/common/meta.h
index 719813984..d13796ebe 100644
--- a/mesalib/src/mesa/drivers/common/meta.h
+++ b/mesalib/src/mesa/drivers/common/meta.h
@@ -69,6 +69,9 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state);
extern void
_mesa_meta_end(struct gl_context *ctx);
+extern GLboolean
+_mesa_meta_in_progress(struct gl_context *ctx);
+
extern void
_mesa_meta_BlitFramebuffer(struct gl_context *ctx,
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,