wlroots/include/backend/drm/renderer.h

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#ifndef BACKEND_DRM_RENDERER_H
#define BACKEND_DRM_RENDERER_H
#include <gbm.h>
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#include <stdbool.h>
#include <stdint.h>
#include <wlr/backend.h>
#include <wlr/render/wlr_renderer.h>
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struct wlr_drm_backend;
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struct wlr_drm_plane;
struct wlr_buffer;
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struct wlr_drm_renderer {
struct wlr_drm_backend *backend;
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struct gbm_device *gbm;
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struct wlr_renderer *wlr_rend;
struct wlr_allocator *allocator;
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};
struct wlr_drm_surface {
struct wlr_drm_renderer *renderer;
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uint32_t width;
uint32_t height;
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struct wlr_swapchain *swapchain;
};
struct wlr_drm_fb {
struct wlr_buffer *wlr_buf;
struct wl_list link; // wlr_drm_backend.fbs
struct gbm_bo *bo;
uint32_t id;
struct wl_listener wlr_buf_destroy;
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};
bool init_drm_renderer(struct wlr_drm_backend *drm,
struct wlr_drm_renderer *renderer);
void finish_drm_renderer(struct wlr_drm_renderer *renderer);
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bool init_drm_surface(struct wlr_drm_surface *surf,
struct wlr_drm_renderer *renderer, uint32_t width, uint32_t height,
const struct wlr_drm_format *drm_format);
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bool drm_fb_import(struct wlr_drm_fb **fb, struct wlr_drm_backend *drm,
struct wlr_buffer *buf, const struct wlr_drm_format_set *formats);
void drm_fb_destroy(struct wlr_drm_fb *fb);
void drm_fb_clear(struct wlr_drm_fb **fb);
void drm_fb_move(struct wlr_drm_fb **new, struct wlr_drm_fb **old);
struct wlr_buffer *drm_surface_blit(struct wlr_drm_surface *surf,
struct wlr_buffer *buffer);
struct wlr_drm_format *drm_plane_pick_render_format(
struct wlr_drm_plane *plane, struct wlr_drm_renderer *renderer);
void drm_plane_finish_surface(struct wlr_drm_plane *plane);
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#endif