Make gleans polyoffset test happy.

diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index 16077560965f0a071f2c1624f696dd04480bc007..b1c1bdef2373c621e813d8149a0463859589b081 100644 (file)
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -975,9 +975,18 @@ static void r300DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval)
 static void r300PolygonOffset(GLcontext * ctx, GLfloat factor, GLfloat units)
 {
        r300ContextPtr rmesa = R300_CONTEXT(ctx);
-       GLfloat constant = units * /*rmesa->state.depth.scale*/4;
+       GLfloat constant = units;
+       
+       switch (ctx->Visual.depthBits) {
+       case 16:
+               constant *= 4.0;
+       break;
+       case 24:
+               constant *= 2.0;
+       break;
+       }
 
-       factor *= 12;
+       factor *= 12.0;
 
 /*    fprintf(stderr, "%s f:%f u:%f\n", __FUNCTION__, factor, constant); */