diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index 0537c6d24c8..366c324800f 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -1724,6 +1724,13 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy, return; } + /* fallback if the driver can't do stencil exports */ + if (type == GL_STENCIL && + !pipe->screen->get_param(pipe->screen, PIPE_CAP_SHADER_STENCIL_EXPORT)) { + copy_stencil_pixels(ctx, srcx, srcy, width, height, dstx, dsty); + return; + } + /* * The subsequent code implements glCopyPixels by copying the source * pixels into a temporary texture that's then applied to a textured quad.