According to the docs, this decreases stalls, and indeed we get a tiny
bit more glxgears from it.
struct r300_blend_state* blend = (struct r300_blend_state*)state;
CS_LOCALS(r300);
BEGIN_CS(8);
+ OUT_CS_REG(R300_RB3D_ROPCNTL, blend->rop);
OUT_CS_REG_SEQ(R300_RB3D_CBLEND, 3);
if (r300->framebuffer_state.nr_cbufs) {
OUT_CS(blend->blend_control);
OUT_CS(0);
/* XXX also disable fastfill here once it's supported */
}
- OUT_CS_REG(R300_RB3D_ROPCNTL, blend->rop);
OUT_CS_REG(R300_RB3D_DITHER_CTL, blend->dither);
END_CS;
}