From 9e26808c280cb32f32835231a76b5b105011fd1e Mon Sep 17 00:00:00 2001 From: emersion Date: Mon, 21 May 2018 18:50:51 +0100 Subject: output, backend/drm: add wlr_output_export_dmabuf --- backend/drm/drm.c | 21 +++++++++++++++++++++ backend/drm/renderer.c | 25 +++++++++++++++---------- include/backend/drm/renderer.h | 2 ++ include/wlr/interfaces/wlr_output.h | 2 ++ include/wlr/types/wlr_output.h | 3 +++ types/wlr_output.c | 8 ++++++++ 6 files changed, 51 insertions(+), 10 deletions(-) diff --git a/backend/drm/drm.c b/backend/drm/drm.c index ef8efb9a..5b6054d3 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -254,6 +254,26 @@ static uint32_t drm_connector_get_gamma_size(struct wlr_output *output) { return 0; } +static bool drm_connector_export_dmabuf(struct wlr_output *output, + struct wlr_dmabuf_buffer_attribs *attribs) { + struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output; + struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend; + + if (!drm->session->active) { + return false; + } + + struct wlr_drm_crtc *crtc = conn->crtc; + if (!crtc) { + return false; + } + struct wlr_drm_plane *plane = crtc->primary; + struct wlr_drm_surface *surf = &plane->surf; + + export_drm_bo(surf->back, attribs); + return true; +} + static void drm_connector_start_renderer(struct wlr_drm_connector *conn) { if (conn->state != WLR_DRM_CONN_CONNECTED) { return; @@ -742,6 +762,7 @@ static const struct wlr_output_impl output_impl = { .swap_buffers = drm_connector_swap_buffers, .set_gamma = drm_connector_set_gamma, .get_gamma_size = drm_connector_get_gamma_size, + .export_dmabuf = drm_connector_export_dmabuf, }; bool wlr_output_is_drm(struct wlr_output *output) { diff --git a/backend/drm/renderer.c b/backend/drm/renderer.c index d5bcef2b..2cb47a12 100644 --- a/backend/drm/renderer.c +++ b/backend/drm/renderer.c @@ -160,6 +160,19 @@ void post_drm_surface(struct wlr_drm_surface *surf) { } } +void export_drm_bo(struct gbm_bo *bo, + struct wlr_dmabuf_buffer_attribs *attribs) { + memset(attribs, 0, sizeof(struct wlr_dmabuf_buffer_attribs)); + attribs->n_planes = 1; + attribs->width = gbm_bo_get_width(bo); + attribs->height = gbm_bo_get_height(bo); + attribs->format = gbm_bo_get_format(bo); + attribs->offset[0] = 0; + attribs->stride[0] = gbm_bo_get_stride_for_plane(bo, 0); + attribs->modifier[0] = DRM_FORMAT_MOD_LINEAR; + attribs->fd[0] = gbm_bo_get_fd(bo); +} + struct tex { struct wlr_egl *egl; EGLImageKHR img; @@ -186,16 +199,8 @@ static struct wlr_texture *get_tex_for_bo(struct wlr_drm_renderer *renderer, return NULL; } - struct wlr_dmabuf_buffer_attribs attribs = { - .n_planes = 1, - .width = gbm_bo_get_width(bo), - .height = gbm_bo_get_height(bo), - .format = gbm_bo_get_format(bo), - }; - attribs.offset[0] = 0; - attribs.stride[0] = gbm_bo_get_stride_for_plane(bo, 0); - attribs.modifier[0] = DRM_FORMAT_MOD_LINEAR; - attribs.fd[0] = gbm_bo_get_fd(bo); + struct wlr_dmabuf_buffer_attribs attribs; + export_drm_bo(bo, &attribs); tex->tex = wlr_texture_from_dmabuf(renderer->wlr_rend, &attribs); if (tex->tex == NULL) { diff --git a/include/backend/drm/renderer.h b/include/backend/drm/renderer.h index 510abe43..f26ca3d6 100644 --- a/include/backend/drm/renderer.h +++ b/include/backend/drm/renderer.h @@ -52,5 +52,7 @@ struct gbm_bo *get_drm_surface_front(struct wlr_drm_surface *surf); void post_drm_surface(struct wlr_drm_surface *surf); struct gbm_bo *copy_drm_surface_mgpu(struct wlr_drm_surface *dest, struct gbm_bo *src); +void export_drm_bo(struct gbm_bo *bo, + struct wlr_dmabuf_buffer_attribs *attribs); #endif diff --git a/include/wlr/interfaces/wlr_output.h b/include/wlr/interfaces/wlr_output.h index 7ecc7551..d39e4edc 100644 --- a/include/wlr/interfaces/wlr_output.h +++ b/include/wlr/interfaces/wlr_output.h @@ -23,6 +23,8 @@ struct wlr_output_impl { void (*set_gamma)(struct wlr_output *output, uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b); uint32_t (*get_gamma_size)(struct wlr_output *output); + bool (*export_dmabuf)(struct wlr_output *output, + struct wlr_dmabuf_buffer_attribs *attribs); }; void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend, diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h index cef3fc5d..669b96ed 100644 --- a/include/wlr/types/wlr_output.h +++ b/include/wlr/types/wlr_output.h @@ -6,6 +6,7 @@ #include #include #include +#include struct wlr_output_mode { uint32_t flags; // enum wl_output_mode @@ -162,6 +163,8 @@ void wlr_output_schedule_frame(struct wlr_output *output); void wlr_output_set_gamma(struct wlr_output *output, uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b); uint32_t wlr_output_get_gamma_size(struct wlr_output *output); +bool wlr_output_export_dmabuf(struct wlr_output *output, + struct wlr_dmabuf_buffer_attribs *attribs); void wlr_output_set_fullscreen_surface(struct wlr_output *output, struct wlr_surface *surface); struct wlr_output *wlr_output_from_resource(struct wl_resource *resource); diff --git a/types/wlr_output.c b/types/wlr_output.c index a5a6d0eb..f7001b16 100644 --- a/types/wlr_output.c +++ b/types/wlr_output.c @@ -560,6 +560,14 @@ uint32_t wlr_output_get_gamma_size(struct wlr_output *output) { return output->impl->get_gamma_size(output); } +bool wlr_output_export_dmabuf(struct wlr_output *output, + struct wlr_dmabuf_buffer_attribs *attribs) { + if (!output->impl->export_dmabuf) { + return false; + } + return output->impl->export_dmabuf(output, attribs); +} + void wlr_output_update_needs_swap(struct wlr_output *output) { output->needs_swap = true; wlr_signal_emit_safe(&output->events.needs_swap, output); -- cgit v1.2.3