1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2012 Rob Clark <robclark (at) freedesktop.org> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robclark (at) freedesktop.org> 27 */ 28 29 30 #include "pipe/p_state.h" 31 #include "util/u_string.h" 32 #include "util/u_memory.h" 33 34 #include "fd2_zsa.h" 35 #include "fd2_context.h" 36 #include "fd2_util.h" 37 38 void * 39 fd2_zsa_state_create(struct pipe_context *pctx, 40 const struct pipe_depth_stencil_alpha_state *cso) 41 { 42 struct fd2_zsa_stateobj *so; 43 44 so = CALLOC_STRUCT(fd2_zsa_stateobj); 45 if (!so) 46 return NULL; 47 48 so->base = *cso; 49 50 so->rb_depthcontrol |= 51 A2XX_RB_DEPTHCONTROL_ZFUNC(cso->depth.func); /* maps 1:1 */ 52 53 if (cso->depth.enabled) 54 so->rb_depthcontrol |= A2XX_RB_DEPTHCONTROL_Z_ENABLE; 55 if (cso->depth.writemask) 56 so->rb_depthcontrol |= A2XX_RB_DEPTHCONTROL_Z_WRITE_ENABLE; 57 58 if (cso->stencil[0].enabled) { 59 const struct pipe_stencil_state *s = &cso->stencil[0]; 60 61 so->rb_depthcontrol |= 62 A2XX_RB_DEPTHCONTROL_STENCIL_ENABLE | 63 A2XX_RB_DEPTHCONTROL_STENCILFUNC(s->func) | /* maps 1:1 */ 64 A2XX_RB_DEPTHCONTROL_STENCILFAIL(fd_stencil_op(s->fail_op)) | 65 A2XX_RB_DEPTHCONTROL_STENCILZPASS(fd_stencil_op(s->zpass_op)) | 66 A2XX_RB_DEPTHCONTROL_STENCILZFAIL(fd_stencil_op(s->zfail_op)); 67 so->rb_stencilrefmask |= 68 0xff000000 | /* ??? */ 69 A2XX_RB_STENCILREFMASK_STENCILWRITEMASK(s->writemask) | 70 A2XX_RB_STENCILREFMASK_STENCILMASK(s->valuemask); 71 72 if (cso->stencil[1].enabled) { 73 const struct pipe_stencil_state *bs = &cso->stencil[1]; 74 75 so->rb_depthcontrol |= 76 A2XX_RB_DEPTHCONTROL_BACKFACE_ENABLE | 77 A2XX_RB_DEPTHCONTROL_STENCILFUNC_BF(bs->func) | /* maps 1:1 */ 78 A2XX_RB_DEPTHCONTROL_STENCILFAIL_BF(fd_stencil_op(bs->fail_op)) | 79 A2XX_RB_DEPTHCONTROL_STENCILZPASS_BF(fd_stencil_op(bs->zpass_op)) | 80 A2XX_RB_DEPTHCONTROL_STENCILZFAIL_BF(fd_stencil_op(bs->zfail_op)); 81 so->rb_stencilrefmask_bf |= 82 0xff000000 | /* ??? */ 83 A2XX_RB_STENCILREFMASK_STENCILWRITEMASK(bs->writemask) | 84 A2XX_RB_STENCILREFMASK_STENCILMASK(bs->valuemask); 85 } 86 } 87 88 if (cso->alpha.enabled) { 89 so->rb_colorcontrol = 90 A2XX_RB_COLORCONTROL_ALPHA_FUNC(cso->alpha.func) | 91 A2XX_RB_COLORCONTROL_ALPHA_TEST_ENABLE; 92 so->rb_alpha_ref = fui(cso->alpha.ref_value); 93 } 94 95 return so; 96 } 97
