mesa: add MAX_PIXEL_BYTES define

[mesa.git] / src / mesa / main / formats.h

diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
index 3960f028e4aecc5bd9d3bcc799b7cd37005c02bc..e6b429d5f37cd984b481c66acb339da5aaae1a72 100644 (file)
--- a/src/mesa/main/formats.h
+++ b/src/mesa/main/formats.h
@@ -46,6 +46,14 @@ extern "C" {
 #define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)
 
 
+/**
+ * Max number of bytes for any non-compressed pixel format below, or for
+ * intermediate pixel storage in Mesa.  This should never be less than
+ * 16.  Maybe 32 someday?
+ */
+#define MAX_PIXEL_BYTES 16
+
+
 /**
  * Mesa texture/renderbuffer image formats.
  */