1 /*
2  * Copyright (C) 2017-2018 Rob Clark <robclark@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@freedesktop.org>
25  */
26 
27 #ifndef IR3_IMAGE_H_
28 #define IR3_IMAGE_H_
29 
30 #include "ir3_context.h"
31 
32 void ir3_ibo_mapping_init(struct ir3_ibo_mapping *mapping,
33                           unsigned num_textures);
34 struct ir3_instruction *ir3_ssbo_to_ibo(struct ir3_context *ctx, nir_src src);
35 unsigned ir3_ssbo_to_tex(struct ir3_ibo_mapping *mapping, unsigned ssbo);
36 struct ir3_instruction *ir3_image_to_ibo(struct ir3_context *ctx, nir_src src);
37 unsigned ir3_image_to_tex(struct ir3_ibo_mapping *mapping, unsigned image);
38 
39 unsigned ir3_get_image_coords(const nir_intrinsic_instr *instr,
40                               unsigned *flagsp);
41 type_t ir3_get_type_for_image_intrinsic(const nir_intrinsic_instr *instr);
42 unsigned ir3_get_num_components_for_image_format(enum pipe_format);
43 
44 #endif /* IR3_IMAGE_H_ */
45