diff options
Diffstat (limited to 'render/egl.c')
-rw-r--r-- | render/egl.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/render/egl.c b/render/egl.c index 6ac3ee2a..93e4ec55 100644 --- a/render/egl.c +++ b/render/egl.c @@ -178,8 +178,12 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers") && eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT; + egl->egl_exts.dmabuf_export = + check_egl_ext(egl->exts_str, "EGL_MESA_image_dma_buf_export"); + egl->egl_exts.bind_wayland_display = check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display"); + print_dmabuf_formats(egl); return true; @@ -209,7 +213,7 @@ void wlr_egl_finish(struct wlr_egl *egl) { } bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display) { - if (!egl->egl_exts.bind_wayland_display) { + if (!egl->egl_exts.bind_wayland_display || !eglBindWaylandDisplayWL) { return false; } @@ -445,7 +449,7 @@ bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl, int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int **formats) { if (!egl->egl_exts.dmabuf_import || - !egl->egl_exts.dmabuf_import_modifiers) { + !egl->egl_exts.dmabuf_import_modifiers) { wlr_log(L_DEBUG, "dmabuf extension not present"); return -1; } @@ -500,6 +504,38 @@ int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl, return num; } +bool wlr_egl_export_image_to_dmabuf(struct wlr_egl *egl, EGLImageKHR image, + int32_t width, int32_t height, uint32_t flags, + struct wlr_dmabuf_attributes *attribs) { + memset(attribs, 0, sizeof(struct wlr_dmabuf_attributes)); + + if (!egl->egl_exts.dmabuf_export || !eglExportDMABUFImageQueryMESA || + !eglExportDMABUFImageMESA) { + return false; + } + + // Only one set of modifiers is returned for all planes + if (!eglExportDMABUFImageQueryMESA(egl->display, image, + (int *)&attribs->format, &attribs->n_planes, &attribs->modifier)) { + return false; + } + if (attribs->n_planes > WLR_DMABUF_MAX_PLANES) { + wlr_log(L_ERROR, "EGL returned %d planes, but only %d are supported", + attribs->n_planes, WLR_DMABUF_MAX_PLANES); + return false; + } + + if (!eglExportDMABUFImageMESA(egl->display, image, attribs->fd, + (EGLint *)attribs->stride, (EGLint *)attribs->offset)) { + return false; + } + + attribs->width = width; + attribs->height = height; + attribs->flags = flags; + return true; +} + bool wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface) { if (!surface) { return true; |