static void create_bcc_state( struct brw_depth_stencil_state *zstencil,
const struct pipe_depth_stencil_alpha_state *templ )
{
if (templ->stencil[0].enabled) {
zstencil->cc0.stencil_enable = 1;
zstencil->cc0.stencil_func =
brw_translate_compare_func(templ->stencil[0].func);
zstencil->cc0.stencil_fail_op =
translate_stencil_op(templ->stencil[0].fail_op);
zstencil->cc0.stencil_pass_depth_fail_op =
translate_stencil_op(templ->stencil[0].zfail_op);
zstencil->cc0.stencil_pass_depth_pass_op =
translate_stencil_op(templ->stencil[0].zpass_op);
zstencil->cc1.stencil_write_mask = templ->stencil[0].writemask;
zstencil->cc1.stencil_test_mask = templ->stencil[0].valuemask;
if (templ->stencil[1].enabled) {
zstencil->cc0.bf_stencil_enable = 1;
zstencil->cc0.bf_stencil_func =
brw_translate_compare_func(templ->stencil[1].func);
zstencil->cc0.bf_stencil_fail_op =
translate_stencil_op(templ->stencil[1].fail_op);
zstencil->cc0.bf_stencil_pass_depth_fail_op =
translate_stencil_op(templ->stencil[1].zfail_op);
zstencil->cc0.bf_stencil_pass_depth_pass_op =
translate_stencil_op(templ->stencil[1].zpass_op);
zstencil->cc2.bf_stencil_write_mask = templ->stencil[1].writemask;
zstencil->cc2.bf_stencil_test_mask = templ->stencil[1].valuemask;
}
zstencil->cc0.stencil_write_enable = (zstencil->cc1.stencil_write_mask ||
zstencil->cc2.bf_stencil_write_mask);
}
if (templ->alpha.enabled) {
zstencil->cc3.alpha_test = 1;
zstencil->cc3.alpha_test_func = brw_translate_compare_func(templ->alpha.func);
zstencil->cc3.alpha_test_format = BRW_ALPHATEST_FORMAT_UNORM8;
zstencil->cc7.alpha_ref.ub[0] = float_to_ubyte(templ->alpha.ref_value);
}
if (templ->depth.enabled) {
zstencil->cc2.depth_test = 1;
zstencil->cc2.depth_test_function = brw_translate_compare_func(templ->depth.func);
zstencil->cc2.depth_write_enable = templ->depth.writemask;
}
}
static void upload_cc_unit( struct brw_context *brw )
{
struct brw_cc_unit_state cc;
memset(&cc, 0, sizeof(cc));
/* BRW_NEW_DEPTH_STENCIL */
if (brw->attribs.DepthStencil->stencil[0].enabled) {
cc.cc0.stencil_enable = brw->attribs.DepthStencil->stencil[0].enabled;
cc.cc0.stencil_func = brw_translate_compare_func(brw->attribs.DepthStencil->stencil[0].func);
cc.cc0.stencil_fail_op = brw_translate_stencil_op(brw->attribs.DepthStencil->stencil[0].fail_op);
cc.cc0.stencil_pass_depth_fail_op = brw_translate_stencil_op(
brw->attribs.DepthStencil->stencil[0].zfail_op);
cc.cc0.stencil_pass_depth_pass_op = brw_translate_stencil_op(
brw->attribs.DepthStencil->stencil[0].zpass_op);
cc.cc1.stencil_ref = brw->attribs.DepthStencil->stencil[0].ref_value;
cc.cc1.stencil_write_mask = brw->attribs.DepthStencil->stencil[0].write_mask;
cc.cc1.stencil_test_mask = brw->attribs.DepthStencil->stencil[0].value_mask;
if (brw->attribs.DepthStencil->stencil[1].enabled) {
cc.cc0.bf_stencil_enable = brw->attribs.DepthStencil->stencil[1].enabled;
cc.cc0.bf_stencil_func = brw_translate_compare_func(
brw->attribs.DepthStencil->stencil[1].func);
cc.cc0.bf_stencil_fail_op = brw_translate_stencil_op(
brw->attribs.DepthStencil->stencil[1].fail_op);
cc.cc0.bf_stencil_pass_depth_fail_op = brw_translate_stencil_op(
brw->attribs.DepthStencil->stencil[1].zfail_op);
cc.cc0.bf_stencil_pass_depth_pass_op = brw_translate_stencil_op(
brw->attribs.DepthStencil->stencil[1].zpass_op);
cc.cc1.bf_stencil_ref = brw->attribs.DepthStencil->stencil[1].ref_value;
cc.cc2.bf_stencil_write_mask = brw->attribs.DepthStencil->stencil[1].write_mask;
cc.cc2.bf_stencil_test_mask = brw->attribs.DepthStencil->stencil[1].value_mask;
}
/* Not really sure about this:
*/
if (brw->attribs.DepthStencil->stencil[0].write_mask ||
brw->attribs.DepthStencil->stencil[1].write_mask)
cc.cc0.stencil_write_enable = 1;
}
/* BRW_NEW_BLEND */
if (brw->attribs.Blend->logicop_enable) {
cc.cc2.logicop_enable = 1;
cc.cc5.logicop_func = brw_translate_logic_op( brw->attribs.Blend->logicop_func );
}
else if (brw->attribs.Blend->blend_enable) {
int eqRGB = brw->attribs.Blend->rgb_func;
int eqA = brw->attribs.Blend->alpha_func;
int srcRGB = brw->attribs.Blend->rgb_src_factor;
int dstRGB = brw->attribs.Blend->rgb_dst_factor;
int srcA = brw->attribs.Blend->alpha_src_factor;
int dstA = brw->attribs.Blend->alpha_dst_factor;
if (eqRGB == PIPE_BLEND_MIN || eqRGB == PIPE_BLEND_MAX) {
srcRGB = dstRGB = PIPE_BLENDFACTOR_ONE;
}
if (eqA == PIPE_BLEND_MIN || eqA == PIPE_BLEND_MAX) {
srcA = dstA = PIPE_BLENDFACTOR_ONE;
}
cc.cc6.dest_blend_factor = brw_translate_blend_factor(dstRGB);
cc.cc6.src_blend_factor = brw_translate_blend_factor(srcRGB);
cc.cc6.blend_function = brw_translate_blend_equation( eqRGB );
cc.cc5.ia_dest_blend_factor = brw_translate_blend_factor(dstA);
cc.cc5.ia_src_blend_factor = brw_translate_blend_factor(srcA);
cc.cc5.ia_blend_function = brw_translate_blend_equation( eqA );
cc.cc3.blend_enable = 1;
cc.cc3.ia_blend_enable = (srcA != srcRGB ||
dstA != dstRGB ||
eqA != eqRGB);
}
/* BRW_NEW_ALPHATEST
*/
if (brw->attribs.DepthStencil->alpha.enabled) {
cc.cc3.alpha_test = 1;
cc.cc3.alpha_test_func =
brw_translate_compare_func(brw->attribs.DepthStencil->alpha.func);
cc.cc7.alpha_ref.ub[0] = float_to_ubyte(brw->attribs.DepthStencil->alpha.ref);
cc.cc3.alpha_test_format = BRW_ALPHATEST_FORMAT_UNORM8;
}
if (brw->attribs.Blend->dither) {
cc.cc5.dither_enable = 1;
cc.cc6.y_dither_offset = 0;
cc.cc6.x_dither_offset = 0;
}
if (brw->attribs.DepthStencil->depth.enabled) {
cc.cc2.depth_test = brw->attribs.DepthStencil->depth.enabled;
cc.cc2.depth_test_function = brw_translate_compare_func(brw->attribs.DepthStencil->depth.func);
cc.cc2.depth_write_enable = brw->attribs.DepthStencil->depth.writemask;
}
/* CACHE_NEW_CC_VP */
cc.cc4.cc_viewport_state_offset = brw->cc.vp_gs_offset >> 5;
if (BRW_DEBUG & DEBUG_STATS)
cc.cc5.statistics_enable = 1;
brw->cc.state_gs_offset = brw_cache_data( &brw->cache[BRW_CC_UNIT], &cc );
}
