fix multi-draw buffer regression

diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index 864f77a4174a940c4391e9eb29a96aef4bd1d7da..656a90a99a9ace4a5cd935594aefec1ca8e90b1b 100644 (file)
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -1402,9 +1402,8 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
     */
    {
       const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
-      const GLboolean multiFragOutputs
-         = fp && fp->Base.InputsRead >= (1 << FRAG_RESULT_DATA0);
       const GLuint numBuffers = fb->_NumColorDrawBuffers;
+      const GLboolean multiFragOutputs = numBuffers > 1;
       GLuint buf;
 
       for (buf = 0; buf < numBuffers; buf++) {