1 files changed, 74 insertions, 0 deletions
diff --git a/minui/graphics_overlay.h b/minui/graphics_overlay.h
new file mode 100644
index 000000000..56f7401df
--- /dev/null
+++ b/minui/graphics_overlay.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _GRAPHICS_OVERLAY_H_
+#define _GRAPHICS_OVERLAY_H_
+
+#include <linux/fb.h>
+
+#include "graphics.h"
+#include "minui/minui.h"
+
+#ifdef MSM_BSP
+typedef struct {
+    unsigned char *mem_buf;
+    int size;
+    int ion_fd;
+    int mem_fd;
+    struct ion_handle_data handle_data;
+} memInfo;
+#endif
+
+class MinuiBackendOverlay : public MinuiBackend {
+ public:
+  GRSurface* Init() override;
+  GRSurface* Flip() override;
+  void Blank(bool) override;
+  ~MinuiBackendOverlay() override;
+  MinuiBackendOverlay();
+
+ private:
+  void SetDisplayedFramebuffer(unsigned n);
+  bool target_has_overlay();
+
+#ifdef MSM_BSP
+  int map_mdp_pixel_format();
+  void setDisplaySplit(void);
+  int getLeftSplit(void);
+  int getRightSplit(void);
+  int free_ion_mem(void);
+  int alloc_ion_mem(unsigned int size);
+  bool isDisplaySplit(void);
+  int allocate_overlay(int fd, GRSurface gr_fb[]);
+  int overlay_display_frame(int fd, void* data, size_t size);
+  int free_overlay(int fd);
+#endif
+
+  GRSurface gr_framebuffer[2];
+  bool double_buffered;
+  GRSurface* gr_draw;
+  int displayed_buffer;
+  fb_var_screeninfo vi;
+  int fb_fd;
+  bool isMDP5;
+  int leftSplit;
+  int rightSplit;
+  size_t frame_size;
+  int overlayL_id;
+  int overlayR_id;
+};
+
+#endif  // _GRAPHICS_OVERLAY_H_