diff options
Diffstat (limited to 'src/egl')
| -rw-r--r-- | src/egl/drivers/dri2/egl_dri2.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c index 63679566c1e..c3024795a10 100644 --- a/src/egl/drivers/dri2/egl_dri2.c +++ b/src/egl/drivers/dri2/egl_dri2.c @@ -2568,6 +2568,28 @@ dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img, return EGL_TRUE; } +/** + * Checks if we can support EGL_MESA_image_dma_buf_export on this image. + + * The spec provides a boolean return for the driver to reject exporting for + * basically any reason, but doesn't specify any particular error cases. For + * now, we just fail if we don't have a DRM fourcc for the format. + */ +static bool +dri2_can_export_dma_buf_image(_EGLDisplay *disp, _EGLImage *img) +{ + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + struct dri2_egl_image *dri2_img = dri2_egl_image(img); + EGLint fourcc; + + if (!dri2_dpy->image->queryImage(dri2_img->dri_image, + __DRI_IMAGE_ATTRIB_FOURCC, &fourcc)) { + return false; + } + + return true; +} + static EGLBoolean dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img, @@ -2579,6 +2601,8 @@ dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp, (void) drv; + if (!dri2_can_export_dma_buf_image(disp, img)) + return EGL_FALSE; if (nplanes) dri2_dpy->image->queryImage(dri2_img->dri_image, @@ -2602,6 +2626,9 @@ dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *im (void) drv; + if (!dri2_can_export_dma_buf_image(disp, img)) + return EGL_FALSE; + /* rework later to provide multiple fds/strides/offsets */ if (fds) dri2_dpy->image->queryImage(dri2_img->dri_image, |