1 /* 2 * Copyright (C) 2016 Rob Clark <robclark (at) freedesktop.org> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Rob Clark <robclark (at) freedesktop.org> 25 */ 26 27 28 #include "pipe/p_state.h" 29 #include "util/u_string.h" 30 #include "util/u_memory.h" 31 32 #include "fd5_zsa.h" 33 #include "fd5_context.h" 34 #include "fd5_format.h" 35 36 void * 37 fd5_zsa_state_create(struct pipe_context *pctx, 38 const struct pipe_depth_stencil_alpha_state *cso) 39 { 40 struct fd5_zsa_stateobj *so; 41 42 so = CALLOC_STRUCT(fd5_zsa_stateobj); 43 if (!so) 44 return NULL; 45 46 so->base = *cso; 47 48 so->rb_depth_cntl |= 49 A5XX_RB_DEPTH_CNTL_ZFUNC(cso->depth.func); /* maps 1:1 */ 50 51 if (cso->depth.enabled) 52 so->rb_depth_cntl |= 53 A5XX_RB_DEPTH_CNTL_Z_ENABLE | 54 A5XX_RB_DEPTH_CNTL_Z_TEST_ENABLE; 55 56 if (cso->depth.writemask) 57 so->rb_depth_cntl |= A5XX_RB_DEPTH_CNTL_Z_WRITE_ENABLE; 58 59 if (cso->stencil[0].enabled) { 60 const struct pipe_stencil_state *s = &cso->stencil[0]; 61 62 so->rb_stencil_control |= 63 A5XX_RB_STENCIL_CONTROL_STENCIL_READ | 64 A5XX_RB_STENCIL_CONTROL_STENCIL_ENABLE | 65 A5XX_RB_STENCIL_CONTROL_FUNC(s->func) | /* maps 1:1 */ 66 A5XX_RB_STENCIL_CONTROL_FAIL(fd_stencil_op(s->fail_op)) | 67 A5XX_RB_STENCIL_CONTROL_ZPASS(fd_stencil_op(s->zpass_op)) | 68 A5XX_RB_STENCIL_CONTROL_ZFAIL(fd_stencil_op(s->zfail_op)); 69 so->rb_stencilrefmask |= 70 A5XX_RB_STENCILREFMASK_STENCILWRITEMASK(s->writemask) | 71 A5XX_RB_STENCILREFMASK_STENCILMASK(s->valuemask); 72 73 if (cso->stencil[1].enabled) { 74 const struct pipe_stencil_state *bs = &cso->stencil[1]; 75 76 so->rb_stencil_control |= 77 A5XX_RB_STENCIL_CONTROL_STENCIL_ENABLE_BF | 78 A5XX_RB_STENCIL_CONTROL_FUNC_BF(bs->func) | /* maps 1:1 */ 79 A5XX_RB_STENCIL_CONTROL_FAIL_BF(fd_stencil_op(bs->fail_op)) | 80 A5XX_RB_STENCIL_CONTROL_ZPASS_BF(fd_stencil_op(bs->zpass_op)) | 81 A5XX_RB_STENCIL_CONTROL_ZFAIL_BF(fd_stencil_op(bs->zfail_op)); 82 // so->rb_stencilrefmask_bf |= 83 // A5XX_RB_STENCILREFMASK_BF_STENCILWRITEMASK(bs->writemask) | 84 // A5XX_RB_STENCILREFMASK_BF_STENCILMASK(bs->valuemask); 85 } 86 } 87 88 if (cso->alpha.enabled) { 89 uint32_t ref = cso->alpha.ref_value * 255.0; 90 so->rb_alpha_control = 91 A5XX_RB_ALPHA_CONTROL_ALPHA_TEST | 92 A5XX_RB_ALPHA_CONTROL_ALPHA_REF(ref) | 93 A5XX_RB_ALPHA_CONTROL_ALPHA_TEST_FUNC(cso->alpha.func); 94 // so->rb_depth_control |= 95 // A5XX_RB_DEPTH_CONTROL_EARLY_Z_DISABLE; 96 } 97 98 return so; 99 } 100
