[Mesa-dev] [PATCH v1 2/7] android: Add version variable to gralloc_handle_t

Robert Foss robert.foss at collabora.com
Tue Jan 16 17:36:07 UTC 2018


The version variable will be used for versioning of this
struct and the corresponding accessor functions.

Signed-off-by: Robert Foss <robert.foss at collabora.com>
---
 android/gralloc_handle.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/android/gralloc_handle.h b/android/gralloc_handle.h
index 79c1600e6750..647351eedaf7 100644
--- a/android/gralloc_handle.h
+++ b/android/gralloc_handle.h
@@ -23,6 +23,7 @@
 #define __ANDROID_GRALLOC_HANDLE_H__
 
 #include <cutils/native_handle.h>
+#include <stdint.h>
 
 /* support users of drm_gralloc/gbm_gralloc */
 #define gralloc_gbm_handle_t gralloc_handle_t
@@ -31,8 +32,9 @@
 struct gralloc_handle_t {
 	native_handle_t base;
 
-	/* integers */
+	/* api variables */
 	int magic; /* differentiate between allocator impls */
+	const uint32_t version; /* api version */
 
 	int prime_fd; /* dma-buf file descriptor */
 	int width; /* width of buffer in pixels */
@@ -51,6 +53,7 @@ struct gralloc_handle_t {
 	} __attribute__((aligned(8)));
 };
 
+#define GRALLOC_HANDLE_VERSION 1
 #define GRALLOC_HANDLE_MAGIC 0x60585350
 #define GRALLOC_HANDLE_NUM_FDS 1
 #define GRALLOC_HANDLE_NUM_INTS (	\
@@ -63,7 +66,9 @@ struct gralloc_handle_t {
 static struct gralloc_handle_t *gralloc_handle_create(int width, int height,
                                                       int format, int usage)
 {
-	struct gralloc_handle_t handle = { .magic = GRALLOC_HANDLE_MAGIC };
+	struct alloc_handle_t handle = {
+		.magic = GRALLOC_HANDLE_MAGIC,
+		.version = GRALLOC_HANDLE_VERSION };
 
 	handle->base.version = sizeof(handle->base);
 	handle->base.numInts = GRALLOC_HANDLE_NUM_INTS;
-- 
2.14.1



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