diff options
| author | Dave Airlie <airlied@redhat.com> | 2010-08-02 14:46:17 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-08-02 16:27:15 +1000 |
| commit | 3f4ec394b027c6d947ccc88309a7d37bc3859e9d (patch) | |
| tree | 4d2626693821031e8a344e4a6b16118013fd7dfa | |
| parent | 7bcd39ce50b7b710bb8561c430f345ebe91ab9a3 (diff) | |
r600g: initial alpha test state
| -rw-r--r-- | src/gallium/drivers/r600/r600_state.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c index 56304cc69f..9af39f7218 100644 --- a/src/gallium/drivers/r600/r600_state.c +++ b/src/gallium/drivers/r600/r600_state.c @@ -873,19 +873,27 @@ static struct radeon_state *r600_dsa(struct r600_context *rctx) const struct pipe_depth_stencil_alpha_state *state = &rctx->dsa->state.dsa; struct r600_screen *rscreen = rctx->screen; struct radeon_state *rstate; - unsigned db_depth_control; - + unsigned db_depth_control, alpha_test_control, alpha_ref; + rstate = radeon_state(rscreen->rw, R600_DSA_TYPE, R600_DSA); if (rstate == NULL) return NULL; + db_depth_control = 0x00700700 | S_028800_Z_ENABLE(state->depth.enabled) | S_028800_Z_WRITE_ENABLE(state->depth.writemask) | S_028800_ZFUNC(state->depth.func); - + alpha_test_control = 0; + alpha_ref = 0; + if (state->alpha.enabled) { + alpha_test_control = (state->alpha.func) << 0; + alpha_test_control |= SX_ALPHA_TEST_ENABLE; + alpha_ref = fui(state->alpha.ref_value); + } + rstate->states[R600_DSA__DB_STENCIL_CLEAR] = 0x00000000; rstate->states[R600_DSA__DB_DEPTH_CLEAR] = 0x3F800000; - rstate->states[R600_DSA__SX_ALPHA_TEST_CONTROL] = 0x00000000; + rstate->states[R600_DSA__SX_ALPHA_TEST_CONTROL] = alpha_test_control; rstate->states[R600_DSA__DB_STENCILREFMASK] = 0xFFFFFF00; rstate->states[R600_DSA__DB_STENCILREFMASK_BF] = 0xFFFFFF00; - rstate->states[R600_DSA__SX_ALPHA_REF] = 0x00000000; + rstate->states[R600_DSA__SX_ALPHA_REF] = alpha_ref; rstate->states[R600_DSA__SPI_FOG_FUNC_SCALE] = 0x00000000; rstate->states[R600_DSA__SPI_FOG_FUNC_BIAS] = 0x00000000; rstate->states[R600_DSA__SPI_FOG_CNTL] = 0x00000000; |