linux.h

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#ifndef MAPLIBRE_NATIVE_C_PLATFORM_LINUX_H
#define MAPLIBRE_NATIVE_C_PLATFORM_LINUX_H
 
#include <stddef.h>
#include <stdint.h>
 
#include "../base.h"
#include "../completion.h"
#include "../map.h"
#include "../render_session.h"
#include "../render_target.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct mln_dma_buf_format {
  uint32_t fourcc;
  uint64_t modifier;
} mln_dma_buf_format;

typedef struct mln_dma_buf_ring_descriptor {
  uint32_t size;
  mln_logical_size logical_size MLN_BINDING("required=true");
  uint32_t buffer_count MLN_BINDING("required=true");
  const mln_dma_buf_format* formats
    MLN_BINDING("length=format_count;required=true");
  size_t format_count;
} mln_dma_buf_ring_descriptor;

typedef struct mln_dma_buf_plane {
  int32_t fd;
  uint32_t offset;
  uint32_t stride;
} mln_dma_buf_plane;

typedef struct mln_dma_buf_frame {
  uint32_t size;
  uint32_t width;
  uint32_t height;
  double scale_factor;
  uint32_t slot;
  uint32_t fourcc;
  uint64_t modifier;
  const mln_dma_buf_plane* planes
    MLN_BINDING("length=plane_count;lifetime=owner");
  size_t plane_count;
} mln_dma_buf_frame;

MLN_BINDING("execution=lifecycle;platforms=freebsd,linux")
MLN_API mln_status mln_map_attach_dma_buf_ring(
  mln_map map, const mln_dma_buf_ring_descriptor* descriptor,
  mln_vulkan_device device MLN_BINDING("nullable=true"),
  const mln_render_session_attach_options* options,
  mln_render_session* out_session MLN_BINDING("direction=out"),
  const mln_completion* completion, mln_diagnostic* out_diagnostic
) MLN_NOEXCEPT;

MLN_BINDING("view_owner=frame;platforms=freebsd,linux")
MLN_API mln_status mln_acquired_frame_get_dma_buf(
  mln_acquired_frame frame,
  mln_dma_buf_frame* out_frame MLN_BINDING("direction=out"),
  mln_diagnostic* out_diagnostic
) MLN_NOEXCEPT;
 
#ifdef __cplusplus
}
#endif
 
#endif  // MAPLIBRE_NATIVE_C_PLATFORM_LINUX_H