Module: Mesa Branch: master Commit: c36aac542a3df76f192e61d1132ff4a1bfbef9fb URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c36aac542a3df76f192e61d1132ff4a1bfbef9fb
Author: Karol Herbst <[email protected]> Date: Thu Jul 16 20:22:58 2020 +0200 st/mesa: fix st_CopyPixels without support for stencil exports Fixes: f611af35948e ("st/mesa: use fragment shader to copy stencil buffer") Signed-off-by: Karol Herbst <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5940> --- src/mesa/state_tracker/st_cb_drawpixels.c | 7 +++++++ 1 file changed, 7 insertions(+) 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. _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
