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      1 /**************************************************************************
      2  *
      3  * Copyright 2019 Collabora, Ltd.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 #ifndef PAN_UTIL_H
     29 #define PAN_UTIL_H
     30 
     31 #include <stdint.h>
     32 #include <stdbool.h>
     33 #include "util/format/u_format.h"
     34 
     35 #define PAN_DBG_PERF            0x0001
     36 #define PAN_DBG_TRACE           0x0002
     37 #define PAN_DBG_DEQP            0x0004
     38 #define PAN_DBG_DIRTY           0x0008
     39 #define PAN_DBG_SYNC            0x0010
     40 #define PAN_DBG_PRECOMPILE      0x0020
     41 #define PAN_DBG_NOFP16          0x0040
     42 #define PAN_DBG_NO_CRC          0x0080
     43 #define PAN_DBG_GL3             0x0100
     44 #define PAN_DBG_NO_AFBC         0x0200
     45 #define PAN_DBG_MSAA16          0x0400
     46 #define PAN_DBG_INDIRECT        0x0800
     47 #define PAN_DBG_LINEAR          0x1000
     48 #define PAN_DBG_NO_CACHE        0x2000
     49 
     50 struct panfrost_device;
     51 
     52 unsigned
     53 panfrost_translate_swizzle_4(const unsigned char swizzle[4]);
     54 
     55 void
     56 panfrost_invert_swizzle(const unsigned char *in, unsigned char *out);
     57 
     58 unsigned
     59 panfrost_format_to_bifrost_blend(const struct panfrost_device *dev,
     60                                  enum pipe_format format,
     61                                  bool dithered);
     62 
     63 void
     64 pan_pack_color(uint32_t *packed, const union pipe_color_union *color,
     65                enum pipe_format format, bool dithered);
     66 
     67 /* Get the last blend shader, for an erratum workaround on v5 */
     68 
     69 static inline uint64_t
     70 panfrost_last_nonnull(uint64_t *ptrs, unsigned count)
     71 {
     72         for (signed i = ((signed) count - 1); i >= 0; --i) {
     73                 if (ptrs[i])
     74                         return ptrs[i];
     75         }
     76 
     77         return 0;
     78 }
     79 
     80 #endif /* PAN_UTIL_H */
     81