i915: Always set the modifier when allocating BOs

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

diff --git a/drv.h b/drv.h
index fd544ca..18653e5 100644 (file)
--- a/drv.h
+++ b/drv.h
@@ -38,11 +38,11 @@ extern "C" {
 #define BO_USE_RENDERSCRIPT            (1ull << 16)
 #define BO_USE_TEXTURE                 (1ull << 17)
 
-/* Read-Write permissions for drv_bo_map() flags */
-#define BO_TRANSFER_NONE 0
-#define BO_TRANSFER_READ (1 << 0)
-#define BO_TRANSFER_WRITE (1 << 1)
-#define BO_TRANSFER_READ_WRITE (BO_TRANSFER_READ | BO_TRANSFER_WRITE)
+/* Map flags */
+#define BO_MAP_NONE 0
+#define BO_MAP_READ (1 << 0)
+#define BO_MAP_WRITE (1 << 1)
+#define BO_MAP_READ_WRITE (BO_MAP_READ | BO_MAP_WRITE)
 
 /* This is our extension to <drm_fourcc.h>.  We need to make sure we don't step
  * on the namespace of already defined formats, which can be done by using invalid
@@ -78,14 +78,28 @@ struct drv_import_fd_data {
        uint64_t use_flags;
 };
 
-struct map_info {
+struct vma {
        void *addr;
        size_t length;
        uint32_t handle;
+       uint32_t map_flags;
        int32_t refcount;
        void *priv;
 };
 
+struct rectangle {
+       uint32_t x;
+       uint32_t y;
+       uint32_t width;
+       uint32_t height;
+};
+
+struct mapping {
+       struct vma *vma;
+       struct rectangle rect;
+       uint32_t refcount;
+};
+
 struct driver *drv_create(int fd);
 
 void drv_destroy(struct driver *drv);
@@ -109,12 +123,14 @@ void drv_bo_destroy(struct bo *bo);
 
 struct bo *drv_bo_import(struct driver *drv, struct drv_import_fd_data *data);
 
-void *drv_bo_map(struct bo *bo, uint32_t x, uint32_t y, uint32_t width, uint32_t height,
-                uint32_t flags, struct map_info **map_data, size_t plane);
+void *drv_bo_map(struct bo *bo, const struct rectangle *rect, uint32_t map_flags,
+                struct mapping **map_data, size_t plane);
 
-int drv_bo_unmap(struct bo *bo, struct map_info *data);
+int drv_bo_unmap(struct bo *bo, struct mapping *mapping);
 
-int drv_bo_flush(struct bo *bo, struct map_info *data);
+int drv_bo_invalidate(struct bo *bo, struct mapping *mapping);
+
+int drv_bo_flush(struct bo *bo, struct mapping *mapping);
 
 uint32_t drv_bo_get_width(struct bo *bo);
 
@@ -140,6 +156,8 @@ uint32_t drv_bo_get_format(struct bo *bo);
 
 uint32_t drv_bo_get_stride_in_pixels(struct bo *bo);
 
+uint32_t drv_stride_from_format(uint32_t format, uint32_t width, size_t plane);
+
 uint32_t drv_resolve_format(struct driver *drv, uint32_t format, uint64_t use_flags);
 
 size_t drv_num_planes_from_format(uint32_t format);