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-rw-r--r--src/cg-base.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/src/cg-base.h b/src/cg-base.h
index b12d551..848a202 100644
--- a/src/cg-base.h
+++ b/src/cg-base.h
@@ -20,6 +20,26 @@
/**
+ * X-macro that list all gamma ramp types
+ *
+ * X will be expanded with 4 arguments:
+ * 1) The libcoopgamma constant that identifies the type
+ * 2) The member in `union libcoopgamma_ramps` that
+ * corresponds to the type
+ * 3) The max value for the ramp stops
+ * 4) The type of the ramp stops
+ */
+#define LIST_DEPTHS\
+ X(LIBCOOPGAMMA_UINT8, u8, UINT8_MAX, uint8_t)\
+ X(LIBCOOPGAMMA_UINT16, u16, UINT16_MAX, uint16_t)\
+ X(LIBCOOPGAMMA_UINT32, u32, UINT32_MAX, uint32_t)\
+ X(LIBCOOPGAMMA_UINT64, u64, UINT64_MAX, uint64_t)\
+ X(LIBCOOPGAMMA_FLOAT, f, ((float)1), float)\
+ X(LIBCOOPGAMMA_DOUBLE, d, ((double)1), double)
+
+
+
+/**
* Information (except asynchronous call context)
* required to update the gamma ramps on a CRTC.
*/
@@ -52,7 +72,7 @@ typedef struct filter_update
/**
* If zero, the ramps in `.filter` shall
- * neither be modified nor freed.
+ * neither be modified nor freed
*/
int master;
@@ -62,7 +82,7 @@ typedef struct filter_update
* ramps with this instance
*
* This will only be set if `.master`
- * is true.
+ * is true
*/
size_t* slaves;