1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 4623ff60de..963478fccd 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -62,6 +62,12 @@ _mesa_init_program(GLcontext *ctx)
    ASSERT(ctx->Const.FragmentProgram.MaxUniformComponents / 4
           <= (1 << INST_INDEX_BITS));
 
+   /* If this fails, increase prog_instruction::TexSrcUnit size */
+   ASSERT(MAX_TEXTURE_UNITS < (1 << 5));
+
+   /* If this fails, increase prog_instruction::TexSrcTarget size */
+   ASSERT(NUM_TEXTURE_TARGETS < (1 << 3));
+
    ctx->Program.ErrorPos = -1;
    ctx->Program.ErrorString = _mesa_strdup("");