diff options
Diffstat (limited to 'render/egl.c')
| -rw-r--r-- | render/egl.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/render/egl.c b/render/egl.c index 450562db..7f910e86 100644 --- a/render/egl.c +++ b/render/egl.c @@ -164,6 +164,11 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, egl->exts.image_dmabuf_import_modifiers_ext = check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers") && eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT; + + egl->exts.image_dma_buf_export_mesa = + check_egl_ext(egl->exts_str, "EGL_MESA_image_dma_buf_export") && + eglExportDMABUFImageQueryMESA && eglExportDMABUFImageMESA; + print_dmabuf_formats(egl); egl->exts.bind_wayland_display_wl = @@ -511,6 +516,37 @@ 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->exts.image_dma_buf_export_mesa) { + 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; |