texenv: Match state.c in deciding whether we'll be using a vertex shader.

diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index 6b090ff..2eefae8 100644 (file)
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -275,6 +275,7 @@ static GLbitfield get_fp_input_mask( GLcontext *ctx )
 {
    /* _NEW_PROGRAM */
    const GLboolean vertexShader = (ctx->Shader.CurrentProgram &&
+                                  ctx->Shader.CurrentProgram->LinkStatus &&
                                    ctx->Shader.CurrentProgram->VertexProgram);
    const GLboolean vertexProgram = ctx->VertexProgram._Enabled;
    GLbitfield fp_inputs = 0x0;