1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 2015 LunarG, Inc. 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 shall be included 14 * in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: 25 * Chia-I Wu <olv@lunarg.com> 26 */ 27 28 #ifndef ILO_STATE_ZS_H 29 #define ILO_STATE_ZS_H 30 31 #include "genhw/genhw.h" 32 33 #include "ilo_core.h" 34 #include "ilo_dev.h" 35 36 struct ilo_vma; 37 struct ilo_image; 38 39 struct ilo_state_zs_info { 40 /* both optional */ 41 const struct ilo_image *z_img; 42 const struct ilo_image *s_img; 43 uint8_t level; 44 uint16_t slice_base; 45 uint16_t slice_count; 46 47 const struct ilo_vma *z_vma; 48 const struct ilo_vma *s_vma; 49 const struct ilo_vma *hiz_vma; 50 51 enum gen_surface_type type; 52 enum gen_depth_format format; 53 54 /* ignored prior to Gen7 */ 55 bool z_readonly; 56 bool s_readonly; 57 }; 58 59 struct ilo_state_zs { 60 uint32_t depth[5]; 61 uint32_t stencil[3]; 62 uint32_t hiz[3]; 63 64 const struct ilo_vma *z_vma; 65 const struct ilo_vma *s_vma; 66 const struct ilo_vma *hiz_vma; 67 68 bool z_readonly; 69 bool s_readonly; 70 }; 71 72 bool 73 ilo_state_zs_init(struct ilo_state_zs *zs, 74 const struct ilo_dev *dev, 75 const struct ilo_state_zs_info *info); 76 77 bool 78 ilo_state_zs_init_for_null(struct ilo_state_zs *zs, 79 const struct ilo_dev *dev); 80 81 bool 82 ilo_state_zs_disable_hiz(struct ilo_state_zs *zs, 83 const struct ilo_dev *dev); 84 85 #endif /* ILO_STATE_ZS_H */ 86