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-rw-r--r--src/mesa/main/image.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index 8aef306fd81..93b01423dcf 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -734,6 +734,32 @@ _mesa_is_depthstencil_format(GLenum format)
}
}
+
+/**
+ * Test if the given image format is a depth or stencil format.
+ */
+GLboolean
+_mesa_is_depth_or_stencil_format(GLenum format)
+{
+ switch (format) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ case GL_STENCIL_INDEX:
+ case GL_STENCIL_INDEX1_EXT:
+ case GL_STENCIL_INDEX4_EXT:
+ case GL_STENCIL_INDEX8_EXT:
+ case GL_STENCIL_INDEX16_EXT:
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
/**
* Test if the given image format is a dudv format.
*/