graphic_buffer_queue.h

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#pragma once

#ifdef __cplusplus
extern "C" {
#endif

#include<libtransistor/types.h>
#include<libtransistor/display/binder.h>
#include<libtransistor/display/graphic_buffer.h>
#include<libtransistor/display/fence.h>
#include<libtransistor/display/rect.h>

typedef struct {
    binder_t igbp_binder; 
} igbp_t;

typedef enum {
    RGBA_8888 = 0x1, 
    RGBX_8888 = 0x2, 
    RGB_888 = 0x3, 
} pixel_format_t;

typedef enum {
    API,
    ALL_LOCAL
} disconnect_mode_t;

typedef struct {
    int64_t deadline_ns;
    int64_t internal_ns;
    int64_t present_latency_ns;
} compositor_timing_t;

typedef struct {
    compositor_timing_t compositor_timing;
} frame_event_history_delta_t;

typedef enum {
    UNKNOWN = 0x0
} dataspace_t;

typedef struct {
    uint32_t size;
    uint32_t num_fds;
    int64_t timestamp;
    int32_t is_auto_timestamp;
    rect_t crop;
    int32_t scaling_mode;
    uint32_t transform;
    uint32_t sticky_transform;
    uint32_t unknown[2];
    fence_t fence;
} __attribute__((packed)) queue_buffer_input_t;

typedef struct {
    uint32_t width;
    uint32_t height;
    uint32_t transform_hint;
    uint32_t num_pending_buffers;
    uint64_t next_frame_number;
    bool buffer_replaced;
    frame_event_history_delta_t frame_timestamps;
} queue_buffer_output_t;


result_t igbp_request_buffer(igbp_t *igbp, uint32_t slot, uint32_t *status, graphic_buffer_t *gb);

result_t igbp_dequeue_buffer(igbp_t *igbp, uint32_t width, uint32_t height, pixel_format_t pixel_format, uint32_t usage, bool get_frame_timestamps, uint32_t *status, uint32_t *slot, fence_t *fence, frame_event_history_delta_t *out_timestamps);

result_t igbp_queue_buffer(igbp_t *igbp, int slot, queue_buffer_input_t *qbi, queue_buffer_output_t *qbo, int *status);

result_t igbp_cancel_buffer(igbp_t *igbp, int slot, fence_t *fence);

result_t igbp_query(igbp_t *igbp, int what, int *status, int *value);

result_t igbp_connect(igbp_t *igbp, int api, bool producer_controlled_by_app, int *status, queue_buffer_output_t *qbo);

result_t igbp_disconnect(igbp_t *igbp, int api, disconnect_mode_t mode, int *status);

result_t igbp_set_preallocated_buffer(igbp_t *igbp, int slot, graphic_buffer_t *gb);

#ifdef __cplusplus
}
#endif