1 files changed, 101 insertions, 0 deletions
diff --git a/src/gallium/drivers/v3d/v3d_screen.h b/src/gallium/drivers/v3d/v3d_screen.h
new file mode 100644
index 00000000000..975bfe01a75
--- /dev/null
+++ b/src/gallium/drivers/v3d/v3d_screen.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright © 2014-2017 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 VC5_SCREEN_H
+#define VC5_SCREEN_H
+
+#include "pipe/p_screen.h"
+#include "os/os_thread.h"
+#include "state_tracker/drm_driver.h"
+#include "util/list.h"
+#include "util/slab.h"
+#include "broadcom/common/v3d_debug.h"
+#include "broadcom/common/v3d_device_info.h"
+
+struct vc5_bo;
+
+#define VC5_MAX_MIP_LEVELS 12
+#define VC5_MAX_TEXTURE_SAMPLERS 32
+#define VC5_MAX_SAMPLES 4
+#define VC5_MAX_DRAW_BUFFERS 4
+#define VC5_MAX_ATTRIBUTES 16
+
+/* These are tunable parameters in the HW design, but all the V3D
+ * implementations agree.
+ */
+#define VC5_UIFCFG_BANKS 8
+#define VC5_UIFCFG_PAGE_SIZE 4096
+#define VC5_UIFCFG_XOR_VALUE (1 << 4)
+#define VC5_PAGE_CACHE_SIZE (VC5_UIFCFG_PAGE_SIZE * VC5_UIFCFG_BANKS)
+#define VC5_UBLOCK_SIZE 64
+#define VC5_UIFBLOCK_SIZE (4 * VC5_UBLOCK_SIZE)
+#define VC5_UIFBLOCK_ROW_SIZE (4 * VC5_UIFBLOCK_SIZE)
+
+struct vc5_simulator_file;
+
+struct vc5_screen {
+        struct pipe_screen base;
+        int fd;
+
+        struct v3d_device_info devinfo;
+
+        const char *name;
+
+        struct slab_parent_pool transfer_pool;
+
+        struct vc5_bo_cache {
+                /** List of struct vc5_bo freed, by age. */
+                struct list_head time_list;
+                /** List of struct vc5_bo freed, per size, by age. */
+                struct list_head *size_list;
+                uint32_t size_list_size;
+
+                mtx_t lock;
+
+                uint32_t bo_size;
+                uint32_t bo_count;
+        } bo_cache;
+
+        const struct v3d_compiler *compiler;
+
+        struct util_hash_table *bo_handles;
+        mtx_t bo_handles_mutex;
+
+        uint32_t bo_size;
+        uint32_t bo_count;
+
+        struct vc5_simulator_file *sim_file;
+};
+
+static inline struct vc5_screen *
+vc5_screen(struct pipe_screen *screen)
+{
+        return (struct vc5_screen *)screen;
+}
+
+struct pipe_screen *v3d_screen_create(int fd);
+
+void
+vc5_fence_init(struct vc5_screen *screen);
+
+#endif /* VC5_SCREEN_H */