output, backend/drm: add wlr_output_export_dmabuf
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e1f56538a8
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9e26808c28
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@ -254,6 +254,26 @@ static uint32_t drm_connector_get_gamma_size(struct wlr_output *output) {
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return 0;
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}
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static bool drm_connector_export_dmabuf(struct wlr_output *output,
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struct wlr_dmabuf_buffer_attribs *attribs) {
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struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
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struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
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if (!drm->session->active) {
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return false;
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}
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struct wlr_drm_crtc *crtc = conn->crtc;
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if (!crtc) {
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return false;
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}
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struct wlr_drm_plane *plane = crtc->primary;
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struct wlr_drm_surface *surf = &plane->surf;
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export_drm_bo(surf->back, attribs);
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return true;
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}
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static void drm_connector_start_renderer(struct wlr_drm_connector *conn) {
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if (conn->state != WLR_DRM_CONN_CONNECTED) {
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return;
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@ -742,6 +762,7 @@ static const struct wlr_output_impl output_impl = {
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.swap_buffers = drm_connector_swap_buffers,
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.set_gamma = drm_connector_set_gamma,
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.get_gamma_size = drm_connector_get_gamma_size,
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.export_dmabuf = drm_connector_export_dmabuf,
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};
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bool wlr_output_is_drm(struct wlr_output *output) {
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@ -160,6 +160,19 @@ void post_drm_surface(struct wlr_drm_surface *surf) {
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}
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}
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void export_drm_bo(struct gbm_bo *bo,
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struct wlr_dmabuf_buffer_attribs *attribs) {
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memset(attribs, 0, sizeof(struct wlr_dmabuf_buffer_attribs));
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attribs->n_planes = 1;
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attribs->width = gbm_bo_get_width(bo);
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attribs->height = gbm_bo_get_height(bo);
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attribs->format = gbm_bo_get_format(bo);
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attribs->offset[0] = 0;
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attribs->stride[0] = gbm_bo_get_stride_for_plane(bo, 0);
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attribs->modifier[0] = DRM_FORMAT_MOD_LINEAR;
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attribs->fd[0] = gbm_bo_get_fd(bo);
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}
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struct tex {
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struct wlr_egl *egl;
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EGLImageKHR img;
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@ -186,16 +199,8 @@ static struct wlr_texture *get_tex_for_bo(struct wlr_drm_renderer *renderer,
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return NULL;
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}
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struct wlr_dmabuf_buffer_attribs attribs = {
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.n_planes = 1,
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.width = gbm_bo_get_width(bo),
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.height = gbm_bo_get_height(bo),
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.format = gbm_bo_get_format(bo),
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};
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attribs.offset[0] = 0;
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attribs.stride[0] = gbm_bo_get_stride_for_plane(bo, 0);
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attribs.modifier[0] = DRM_FORMAT_MOD_LINEAR;
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attribs.fd[0] = gbm_bo_get_fd(bo);
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struct wlr_dmabuf_buffer_attribs attribs;
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export_drm_bo(bo, &attribs);
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tex->tex = wlr_texture_from_dmabuf(renderer->wlr_rend, &attribs);
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if (tex->tex == NULL) {
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@ -52,5 +52,7 @@ struct gbm_bo *get_drm_surface_front(struct wlr_drm_surface *surf);
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void post_drm_surface(struct wlr_drm_surface *surf);
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struct gbm_bo *copy_drm_surface_mgpu(struct wlr_drm_surface *dest,
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struct gbm_bo *src);
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void export_drm_bo(struct gbm_bo *bo,
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struct wlr_dmabuf_buffer_attribs *attribs);
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#endif
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@ -23,6 +23,8 @@ struct wlr_output_impl {
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void (*set_gamma)(struct wlr_output *output,
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uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b);
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uint32_t (*get_gamma_size)(struct wlr_output *output);
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bool (*export_dmabuf)(struct wlr_output *output,
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struct wlr_dmabuf_buffer_attribs *attribs);
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};
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void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
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@ -6,6 +6,7 @@
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#include <time.h>
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#include <wayland-server.h>
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#include <wayland-util.h>
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#include <wlr/types/wlr_linux_dmabuf.h>
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struct wlr_output_mode {
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uint32_t flags; // enum wl_output_mode
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@ -162,6 +163,8 @@ void wlr_output_schedule_frame(struct wlr_output *output);
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void wlr_output_set_gamma(struct wlr_output *output,
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uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b);
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uint32_t wlr_output_get_gamma_size(struct wlr_output *output);
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bool wlr_output_export_dmabuf(struct wlr_output *output,
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struct wlr_dmabuf_buffer_attribs *attribs);
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void wlr_output_set_fullscreen_surface(struct wlr_output *output,
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struct wlr_surface *surface);
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struct wlr_output *wlr_output_from_resource(struct wl_resource *resource);
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@ -560,6 +560,14 @@ uint32_t wlr_output_get_gamma_size(struct wlr_output *output) {
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return output->impl->get_gamma_size(output);
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}
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bool wlr_output_export_dmabuf(struct wlr_output *output,
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struct wlr_dmabuf_buffer_attribs *attribs) {
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if (!output->impl->export_dmabuf) {
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return false;
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}
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return output->impl->export_dmabuf(output, attribs);
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}
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void wlr_output_update_needs_swap(struct wlr_output *output) {
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output->needs_swap = true;
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wlr_signal_emit_safe(&output->events.needs_swap, output);
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