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e85a1a5ecf
This will be useful for implementing optimizations in case planes don't collide. In these cases we can ignore some zpos constraints. References: https://github.com/emersion/libliftoff/issues/3
70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
#ifndef PRIVATE_H
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#define PRIVATE_H
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#include "libliftoff.h"
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#include "list.h"
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struct liftoff_display {
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int drm_fd;
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struct liftoff_list planes; /* liftoff_plane.link */
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struct liftoff_list outputs; /* liftoff_output.link */
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uint32_t *crtcs;
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size_t crtcs_len;
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};
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struct liftoff_output {
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struct liftoff_display *display;
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uint32_t crtc_id;
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size_t crtc_index;
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struct liftoff_list link; /* liftoff_display.outputs */
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struct liftoff_list layers; /* liftoff_layer.link */
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};
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struct liftoff_layer {
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struct liftoff_output *output;
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struct liftoff_list link; /* liftoff_output.layers */
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struct liftoff_layer_property *props;
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size_t props_len;
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struct liftoff_plane *plane;
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};
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struct liftoff_layer_property {
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char name[DRM_PROP_NAME_LEN];
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uint64_t value;
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};
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struct liftoff_plane {
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uint32_t id;
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uint32_t possible_crtcs;
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uint32_t type;
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int zpos; /* greater values mean closer to the eye */
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/* TODO: formats */
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struct liftoff_list link; /* liftoff_display.planes */
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struct liftoff_plane_property *props;
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size_t props_len;
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struct liftoff_layer *layer;
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};
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struct liftoff_plane_property {
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char name[DRM_PROP_NAME_LEN];
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uint32_t id;
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};
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struct liftoff_rect {
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int x, y;
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int width, height;
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};
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struct liftoff_layer_property *layer_get_property(struct liftoff_layer *layer,
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const char *name);
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void layer_get_rect(struct liftoff_layer *layer, struct liftoff_rect *rect);
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bool layer_intersects(struct liftoff_layer *a, struct liftoff_layer *b);
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#endif
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