76 lines
1.8 KiB
C++
76 lines
1.8 KiB
C++
/*
|
|
* 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 <linux/ion.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_
|