static void * nvc0_blend_state_create(struct pipe_context *pipe, const struct pipe_blend_state *cso) { struct nvc0_blend_stateobj *so = CALLOC_STRUCT(nvc0_blend_stateobj); int i; int r; /* reference */ uint8_t blend_en = 0; bool indep_masks = false; bool indep_funcs = false; so->pipe = *cso; /* check which states actually have differing values */ if (cso->independent_blend_enable) { for (r = 0; r < 8 && !cso->rt[r].blend_enable; ++r); blend_en |= 1 << r; for (i = r + 1; i < 8; ++i) { if (!cso->rt[i].blend_enable) continue; blend_en |= 1 << i; if (cso->rt[i].rgb_func != cso->rt[r].rgb_func || cso->rt[i].rgb_src_factor != cso->rt[r].rgb_src_factor || cso->rt[i].rgb_dst_factor != cso->rt[r].rgb_dst_factor || cso->rt[i].alpha_func != cso->rt[r].alpha_func || cso->rt[i].alpha_src_factor != cso->rt[r].alpha_src_factor || cso->rt[i].alpha_dst_factor != cso->rt[r].alpha_dst_factor) { indep_funcs = true; break; } } for (; i < 8; ++i) blend_en |= (cso->rt[i].blend_enable ? 1 : 0) << i; for (i = 1; i < 8; ++i) { if (cso->rt[i].colormask != cso->rt[0].colormask) { indep_masks = true; break; } } } else { r = 0; if (cso->rt[0].blend_enable) blend_en = 0xff; } if (cso->logicop_enable) { SB_BEGIN_3D(so, LOGIC_OP_ENABLE, 2); SB_DATA (so, 1); SB_DATA (so, nvgl_logicop_func(cso->logicop_func)); SB_IMMED_3D(so, MACRO_BLEND_ENABLES, 0); } else { SB_IMMED_3D(so, LOGIC_OP_ENABLE, 0); SB_IMMED_3D(so, BLEND_INDEPENDENT, indep_funcs); SB_IMMED_3D(so, MACRO_BLEND_ENABLES, blend_en); if (indep_funcs) { for (i = 0; i < 8; ++i) { if (cso->rt[i].blend_enable) { SB_BEGIN_3D(so, IBLEND_EQUATION_RGB(i), 6); SB_DATA (so, nvgl_blend_eqn(cso->rt[i].rgb_func)); SB_DATA (so, nvc0_blend_fac(cso->rt[i].rgb_src_factor)); SB_DATA (so, nvc0_blend_fac(cso->rt[i].rgb_dst_factor)); SB_DATA (so, nvgl_blend_eqn(cso->rt[i].alpha_func)); SB_DATA (so, nvc0_blend_fac(cso->rt[i].alpha_src_factor)); SB_DATA (so, nvc0_blend_fac(cso->rt[i].alpha_dst_factor)); } } } else if (blend_en) { SB_BEGIN_3D(so, BLEND_EQUATION_RGB, 5); SB_DATA (so, nvgl_blend_eqn(cso->rt[r].rgb_func)); SB_DATA (so, nvc0_blend_fac(cso->rt[r].rgb_src_factor)); SB_DATA (so, nvc0_blend_fac(cso->rt[r].rgb_dst_factor)); SB_DATA (so, nvgl_blend_eqn(cso->rt[r].alpha_func)); SB_DATA (so, nvc0_blend_fac(cso->rt[r].alpha_src_factor)); SB_BEGIN_3D(so, BLEND_FUNC_DST_ALPHA, 1); SB_DATA (so, nvc0_blend_fac(cso->rt[r].alpha_dst_factor)); } SB_IMMED_3D(so, COLOR_MASK_COMMON, !indep_masks); if (indep_masks) { SB_BEGIN_3D(so, COLOR_MASK(0), 8); for (i = 0; i < 8; ++i) SB_DATA(so, nvc0_colormask(cso->rt[i].colormask)); } else { SB_BEGIN_3D(so, COLOR_MASK(0), 1); SB_DATA (so, nvc0_colormask(cso->rt[0].colormask)); } } assert(so->size <= ARRAY_SIZE(so->state)); return so; }
static void * nvc0_blend_state_create(struct pipe_context *pipe, const struct pipe_blend_state *cso) { struct nvc0_blend_stateobj *so = CALLOC_STRUCT(nvc0_blend_stateobj); int i; uint32_t ms; so->pipe = *cso; SB_IMMED_3D(so, BLEND_INDEPENDENT, cso->independent_blend_enable); if (!cso->logicop_enable) SB_IMMED_3D(so, LOGIC_OP_ENABLE, 0); if (cso->logicop_enable) { SB_BEGIN_3D(so, LOGIC_OP_ENABLE, 2); SB_DATA (so, 1); SB_DATA (so, nvgl_logicop_func(cso->logicop_func)); SB_IMMED_3D(so, BLEND_ENABLES, 0); } else if (!cso->independent_blend_enable) { SB_IMMED_3D(so, BLEND_ENABLES, cso->rt[0].blend_enable ? 0xff : 0); if (cso->rt[0].blend_enable) { SB_BEGIN_3D(so, BLEND_EQUATION_RGB, 5); SB_DATA (so, nvgl_blend_eqn(cso->rt[0].rgb_func)); SB_DATA (so, nvc0_blend_fac(cso->rt[0].rgb_src_factor)); SB_DATA (so, nvc0_blend_fac(cso->rt[0].rgb_dst_factor)); SB_DATA (so, nvgl_blend_eqn(cso->rt[0].alpha_func)); SB_DATA (so, nvc0_blend_fac(cso->rt[0].alpha_src_factor)); SB_BEGIN_3D(so, BLEND_FUNC_DST_ALPHA, 1); SB_DATA (so, nvc0_blend_fac(cso->rt[0].alpha_dst_factor)); } SB_IMMED_3D(so, COLOR_MASK_COMMON, 1); SB_BEGIN_3D(so, COLOR_MASK(0), 1); SB_DATA (so, nvc0_colormask(cso->rt[0].colormask)); } else { uint8_t en = 0; for (i = 0; i < 8; ++i) { if (!cso->rt[i].blend_enable) continue; en |= 1 << i; SB_BEGIN_3D(so, IBLEND_EQUATION_RGB(i), 6); SB_DATA (so, nvgl_blend_eqn(cso->rt[i].rgb_func)); SB_DATA (so, nvc0_blend_fac(cso->rt[i].rgb_src_factor)); SB_DATA (so, nvc0_blend_fac(cso->rt[i].rgb_dst_factor)); SB_DATA (so, nvgl_blend_eqn(cso->rt[i].alpha_func)); SB_DATA (so, nvc0_blend_fac(cso->rt[i].alpha_src_factor)); SB_DATA (so, nvc0_blend_fac(cso->rt[i].alpha_dst_factor)); } SB_IMMED_3D(so, BLEND_ENABLES, en); SB_IMMED_3D(so, COLOR_MASK_COMMON, 0); SB_BEGIN_3D(so, COLOR_MASK(0), 8); for (i = 0; i < 8; ++i) SB_DATA(so, nvc0_colormask(cso->rt[i].colormask)); } ms = 0; if (cso->alpha_to_coverage) ms |= NVC0_3D_MULTISAMPLE_CTRL_ALPHA_TO_COVERAGE; if (cso->alpha_to_one) ms |= NVC0_3D_MULTISAMPLE_CTRL_ALPHA_TO_ONE; SB_BEGIN_3D(so, MULTISAMPLE_CTRL, 1); SB_DATA (so, ms); assert(so->size <= (sizeof(so->state) / sizeof(so->state[0]))); return so; }