64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
#ifndef GSR_VAAPI_H
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#define GSR_VAAPI_H
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#include <stdint.h>
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#include <stdbool.h>
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typedef void* VADisplay;
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typedef int VAStatus;
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typedef unsigned int VAGenericID;
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typedef VAGenericID VASurfaceID;
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typedef struct {
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/** Pixel format fourcc of the whole surface (VA_FOURCC_*). */
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uint32_t fourcc;
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/** Width of the surface in pixels. */
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uint32_t width;
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/** Height of the surface in pixels. */
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uint32_t height;
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/** Number of distinct DRM objects making up the surface. */
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uint32_t num_objects;
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/** Description of each object. */
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struct {
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/** DRM PRIME file descriptor for this object. */
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int fd;
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/** Total size of this object (may include regions which are
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* not part of the surface). */
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uint32_t size;
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/** Format modifier applied to this object. */
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uint64_t drm_format_modifier;
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} objects[4];
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/** Number of layers making up the surface. */
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uint32_t num_layers;
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/** Description of each layer in the surface. */
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struct {
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/** DRM format fourcc of this layer (DRM_FOURCC_*). */
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uint32_t drm_format;
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/** Number of planes in this layer. */
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uint32_t num_planes;
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/** Index in the objects array of the object containing each
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* plane. */
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uint32_t object_index[4];
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/** Offset within the object of each plane. */
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uint32_t offset[4];
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/** Pitch of each plane. */
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uint32_t pitch[4];
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} layers[4];
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} VADRMPRIMESurfaceDescriptor;
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#define VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2 0x40000000
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#define VA_EXPORT_SURFACE_READ_WRITE 0x0003
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#define VA_EXPORT_SURFACE_SEPARATE_LAYERS 0x0004
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typedef struct {
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void *library;
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VAStatus (*vaExportSurfaceHandle)(VADisplay dpy, VASurfaceID surface_id, uint32_t mem_type, uint32_t flags, void *descriptor);
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VAStatus (*vaSyncSurface)(VADisplay dpy, VASurfaceID render_target);
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} gsr_vaapi;
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bool gsr_vaapi_load(gsr_vaapi *self);
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void gsr_vaapi_unload(gsr_vaapi *self);
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#endif /* GSR_VAAPI_H */
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