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authorBrian Paul <brianp@vmware.com>2009-08-31 19:26:00 -0600
committerBrian Paul <brianp@vmware.com>2009-08-31 19:34:47 -0600
commit10d81f466794c61c11225c94b2125bf2dd23748e (patch)
treef1aa6d7b30a476203594c85fcf96f4a39ebb504f /src/mesa/main
parentd762b5459be63b46b280a11847c9b1f2a7015e52 (diff)
mesa: added _mesa_is_stencil_format()
Diffstat (limited to 'src/mesa/main')
-rw-r--r--src/mesa/main/image.c16
-rw-r--r--src/mesa/main/image.h3
2 files changed, 19 insertions, 0 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index d77c593ac7..006a55116b 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -689,6 +689,22 @@ _mesa_is_depth_format(GLenum format)
/**
+ * Test if the given image format is a stencil format.
+ */
+GLboolean
+_mesa_is_stencil_format(GLenum format)
+{
+ switch (format) {
+ case GL_STENCIL_INDEX:
+ case GL_DEPTH_STENCIL:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
* Test if the given image format is a YCbCr format.
*/
GLboolean
diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h
index 20459a5f1e..a082f37457 100644
--- a/src/mesa/main/image.h
+++ b/src/mesa/main/image.h
@@ -64,6 +64,9 @@ extern GLboolean
_mesa_is_depth_format(GLenum format);
extern GLboolean
+_mesa_is_stencil_format(GLenum format);
+
+extern GLboolean
_mesa_is_ycbcr_format(GLenum format);
extern GLboolean