| /* |
| * XGL |
| * |
| * Copyright (C) 2014 LunarG, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Chia-I Wu <olv@lunarg.com> |
| */ |
| |
| #ifndef ICD_FORMAT_H |
| #define ICD_FORMAT_H |
| |
| #include <stdbool.h> |
| #include "icd.h" |
| |
| static inline bool icd_format_is_undef(XGL_FORMAT format) |
| { |
| return (format.numericFormat == XGL_NUM_FMT_UNDEFINED); |
| } |
| |
| static inline bool icd_format_is_ds(XGL_FORMAT format) |
| { |
| return (format.numericFormat == XGL_NUM_FMT_DS); |
| } |
| |
| static inline bool icd_format_is_color(XGL_FORMAT format) |
| { |
| return !(icd_format_is_undef(format) || icd_format_is_ds(format)); |
| } |
| |
| static inline bool icd_format_is_norm(XGL_FORMAT format) |
| { |
| return (format.numericFormat == XGL_NUM_FMT_UNORM || |
| format.numericFormat == XGL_NUM_FMT_SNORM); |
| }; |
| |
| static inline bool icd_format_is_int(XGL_FORMAT format) |
| { |
| return (format.numericFormat == XGL_NUM_FMT_UINT || |
| format.numericFormat == XGL_NUM_FMT_SINT); |
| } |
| |
| static inline bool icd_format_is_float(XGL_FORMAT format) |
| { |
| return (format.numericFormat == XGL_NUM_FMT_FLOAT); |
| } |
| |
| static inline bool icd_format_is_srgb(XGL_FORMAT format) |
| { |
| return (format.numericFormat == XGL_NUM_FMT_SRGB); |
| } |
| |
| static inline bool icd_format_is_compressed(XGL_FORMAT format) |
| { |
| switch (format.channelFormat) { |
| case XGL_CH_FMT_BC1: |
| case XGL_CH_FMT_BC2: |
| case XGL_CH_FMT_BC3: |
| case XGL_CH_FMT_BC4: |
| case XGL_CH_FMT_BC5: |
| case XGL_CH_FMT_BC6U: |
| case XGL_CH_FMT_BC6S: |
| case XGL_CH_FMT_BC7: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| static inline bool icd_format_get_block_width(XGL_FORMAT format) |
| { |
| /* all compressed formats use 4x4 blocks */ |
| return (icd_format_is_compressed(format)) ? 4 : 1; |
| } |
| |
| unsigned int icd_format_get_size(XGL_FORMAT format); |
| |
| #endif /* ICD_FORMAT_H */ |