import Mesa 11.0.6

1 files changed, 126 insertions, 0 deletions

diff --git a/lib/mesa/src/gallium/drivers/vc4/vc4_bufmgr.h b/lib/mesa/src/gallium/drivers/vc4/vc4_bufmgr.h
new file mode 100644
index 000000000..b77506e24
--- /dev/null
+++ b/lib/mesa/src/gallium/drivers/vc4/vc4_bufmgr.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright © 2014 Broadcom
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef VC4_BUFMGR_H
+#define VC4_BUFMGR_H
+
+#include <stdint.h>
+#include "util/u_inlines.h"
+#include "vc4_qir.h"
+
+struct vc4_context;
+
+struct vc4_bo {
+        struct pipe_reference reference;
+        struct vc4_screen *screen;
+        void *map;
+        const char *name;
+        uint32_t handle;
+        uint32_t size;
+
+#ifdef USE_VC4_SIMULATOR
+        void *simulator_winsys_map;
+        uint32_t simulator_winsys_stride;
+#endif
+
+        /** Entry in the linked list of buffers freed, by age. */
+        struct list_head time_list;
+        /** Entry in the per-page-count linked list of buffers freed (by age). */
+        struct list_head size_list;
+        /** Approximate second when the bo was freed. */
+        time_t free_time;
+        /**
+         * Whether only our process has a reference to the BO (meaning that
+         * it's safe to reuse it in the BO cache).
+         */
+        bool private;
+};
+
+struct vc4_bo *vc4_bo_alloc(struct vc4_screen *screen, uint32_t size,
+                            const char *name);
+struct vc4_bo *vc4_bo_alloc_shader(struct vc4_screen *screen, const void *data,
+                                   uint32_t size);
+void vc4_bo_last_unreference(struct vc4_bo *bo);
+void vc4_bo_last_unreference_locked_timed(struct vc4_bo *bo, time_t time);
+struct vc4_bo *vc4_bo_open_name(struct vc4_screen *screen, uint32_t name,
+                                uint32_t winsys_stride);
+struct vc4_bo *vc4_bo_open_dmabuf(struct vc4_screen *screen, int fd,
+                                  uint32_t winsys_stride);
+bool vc4_bo_flink(struct vc4_bo *bo, uint32_t *name);
+int vc4_bo_get_dmabuf(struct vc4_bo *bo);
+
+static inline void
+vc4_bo_set_reference(struct vc4_bo **old_bo, struct vc4_bo *new_bo)
+{
+        if (pipe_reference(&(*old_bo)->reference, &new_bo->reference))
+                vc4_bo_last_unreference(*old_bo);
+        *old_bo = new_bo;
+}
+
+static inline struct vc4_bo *
+vc4_bo_reference(struct vc4_bo *bo)
+{
+        pipe_reference(NULL, &bo->reference);
+        return bo;
+}
+
+static inline void
+vc4_bo_unreference(struct vc4_bo **bo)
+{
+        if (!*bo)
+                return;
+
+        if (pipe_reference(&(*bo)->reference, NULL))
+                vc4_bo_last_unreference(*bo);
+        *bo = NULL;
+}
+
+static inline void
+vc4_bo_unreference_locked_timed(struct vc4_bo **bo, time_t time)
+{
+        if (!*bo)
+                return;
+
+        if (pipe_reference(&(*bo)->reference, NULL))
+                vc4_bo_last_unreference_locked_timed(*bo, time);
+        *bo = NULL;
+}
+
+void *
+vc4_bo_map(struct vc4_bo *bo);
+
+void *
+vc4_bo_map_unsynchronized(struct vc4_bo *bo);
+
+bool
+vc4_bo_wait(struct vc4_bo *bo, uint64_t timeout_ns, const char *reason);
+
+bool
+vc4_wait_seqno(struct vc4_screen *screen, uint64_t seqno, uint64_t timeout_ns,
+               const char *reason);
+
+void
+vc4_bufmgr_destroy(struct pipe_screen *pscreen);
+
+#endif /* VC4_BUFMGR_H */
+