When deciding if a clear color is suitable for fast clear, take into account if a color channel is active in the buffer format.
--- src/mesa/drivers/dri/i965/brw_blorp_clear.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp index fd18b45..d16da97 100644 --- a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp +++ b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp @@ -153,7 +153,8 @@ is_color_fast_clear_compatible(struct brw_context *brw, return false; for (int i = 0; i < 4; i++) { - if (color->f[i] != 0.0 && color->f[i] != 1.0) { + if (color->f[i] != 0.0 && color->f[i] != 1.0 && + _mesa_format_has_color_component(format, i)) { perf_debug("Clear color unsupported by fast color clear. " "Falling back to slow clear.\n"); return false; -- 1.8.1.2 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev