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use skia_bindings as sb;
use std::ptr;

pub use skia_bindings::GrBackendApi as BackendAPI;
variant_name!(BackendAPI::Dawn);

#[deprecated(since = "0.35.0", note = "Use Mipmapped (with a lowercase 'm')")]
pub use skia_bindings::GrMipmapped as MipMapped;
variant_name!(MipMapped::Yes);

pub use skia_bindings::GrSurfaceOrigin as SurfaceOrigin;
variant_name!(SurfaceOrigin::BottomLeft);

// Note: BackendState is in gl/types.rs/

#[repr(C)]
#[allow(dead_code)]
#[derive(Debug)]
pub struct FlushInfo {
    // TODO: wrap access to the following fields in a safe way:
    num_semaphores: usize,
    signal_semaphores: *mut sb::GrBackendSemaphore,
    finished_proc: sb::GrGpuFinishedProc,
    finished_context: sb::GrGpuFinishedContext,
    submitted_proc: sb::GrGpuSubmittedProc,
    submitted_context: sb::GrGpuSubmittedContext,
}

impl Default for FlushInfo {
    fn default() -> Self {
        Self {
            num_semaphores: 0,
            signal_semaphores: ptr::null_mut(),
            finished_proc: None,
            finished_context: ptr::null_mut(),
            submitted_proc: None,
            submitted_context: ptr::null_mut(),
        }
    }
}

native_transmutable!(sb::GrFlushInfo, FlushInfo, flush_info_layout);

pub use sb::GrSemaphoresSubmitted as SemaphoresSubmitted;
variant_name!(SemaphoresSubmitted::Yes);

// TODO: wrap GrPrepareForExternalIORequests