DO NOT MERGE: rename module to gralloc.intel

[android-x86/external-minigbm.git] / drv_priv.h

diff --git a/drv_priv.h b/drv_priv.h
index 5547b78..26f98cf 100644 (file)
--- a/drv_priv.h
+++ b/drv_priv.h
@@ -7,13 +7,26 @@
 #ifndef DRV_PRIV_H
 #define DRV_PRIV_H
 
-#include <pthread.h>
+
 #include <stdint.h>
 #include <stdlib.h>
 #include <sys/types.h>
+#include <stdatomic.h>
 
 #include "drv.h"
 
+#ifndef DISABLE_LOCK
+#define ATOMIC_LOCK(X) \
+while (atomic_flag_test_and_set(X)) { \
+  }
+
+#define ATOMIC_UNLOCK(X) \
+  atomic_flag_clear(X);
+#else
+#define ATOMIC_LOCK(X) ((void)0)
+#define ATOMIC_UNLOCK(X) ((void)0)
+#endif
+
 struct bo {
        struct driver *drv;
        uint32_t width;
@@ -26,24 +39,15 @@ struct bo {
        uint32_t sizes[DRV_MAX_PLANES];
        uint32_t strides[DRV_MAX_PLANES];
        uint64_t format_modifiers[DRV_MAX_PLANES];
-       uint64_t flags;
+       uint64_t use_flags;
        size_t total_size;
        void *priv;
 };
 
-struct driver {
-       int fd;
-       struct backend *backend;
-       void *priv;
-       void *buffer_table;
-       void *map_table;
-       pthread_mutex_t driver_lock;
-};
-
 struct kms_item {
        uint32_t format;
        uint64_t modifier;
-       uint64_t usage;
+       uint64_t use_flags;
 };
 
 struct format_metadata {
@@ -55,7 +59,7 @@ struct format_metadata {
 struct combination {
        uint32_t format;
        struct format_metadata metadata;
-       uint64_t usage;
+       uint64_t use_flags;
 };
 
 struct combinations {
@@ -64,30 +68,44 @@ struct combinations {
        uint32_t allocations;
 };
 
+struct driver {
+       int fd;
+       struct backend *backend;
+       void *priv;
+       void *buffer_table;
+       void *map_table;
+       struct combinations combos;
+       atomic_flag driver_lock;
+};
+
 struct backend {
        char *name;
        int (*init)(struct driver *drv);
        void (*close)(struct driver *drv);
        int (*bo_create)(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
-                        uint32_t flags);
+                        uint64_t use_flags);
        int (*bo_create_with_modifiers)(struct bo *bo, uint32_t width, uint32_t height,
                                        uint32_t format, const uint64_t *modifiers, uint32_t count);
        int (*bo_destroy)(struct bo *bo);
        int (*bo_import)(struct bo *bo, struct drv_import_fd_data *data);
-       void *(*bo_map)(struct bo *bo, struct map_info *data, size_t plane, int prot);
+       void *(*bo_map)(struct bo *bo, struct map_info *data, size_t plane, uint32_t map_flags);
        int (*bo_unmap)(struct bo *bo, struct map_info *data);
-       uint32_t (*resolve_format)(uint32_t format, uint64_t usage);
-       struct combinations combos;
+       int (*bo_invalidate)(struct bo *bo, struct map_info *data);
+       int (*bo_flush)(struct bo *bo, struct map_info *data);
+       uint32_t (*resolve_format)(uint32_t format, uint64_t use_flags);
 };
 
 // clang-format off
-#define BO_USE_RENDER_MASK BO_USE_LINEAR | BO_USE_RENDERING | BO_USE_RENDERSCRIPT | \
-                          BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | BO_USE_SW_READ_RARELY | \
-                          BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE
+#define BO_USE_RENDER_MASK BO_USE_LINEAR | BO_USE_PROTECTED | BO_USE_RENDERING | \
+                          BO_USE_RENDERSCRIPT | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \
+                           BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE
+
+#define BO_USE_TEXTURE_MASK BO_USE_LINEAR | BO_USE_PROTECTED | BO_USE_RENDERSCRIPT | \
+                           BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \
+                            BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE
 
-#define BO_USE_TEXTURE_MASK BO_USE_LINEAR | BO_USE_RENDERSCRIPT | BO_USE_SW_READ_OFTEN | \
-                           BO_USE_SW_WRITE_OFTEN | BO_USE_SW_READ_RARELY | \
-                           BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE
+#define BO_USE_SW_MASK BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \
+                       BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY
 
 #define LINEAR_METADATA (struct format_metadata) { 0, 1, DRM_FORMAT_MOD_NONE }
 // clang-format on