1 /*
2  * Copyright 2018 Collabora Ltd.
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  * on the rights to use, copy, modify, merge, publish, distribute, sub
8  * license, and/or sell copies of the Software, and to permit persons to whom
9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
22  */
23 
24 #ifndef NIR_TO_SPIRV_H
25 #define NIR_TO_SPIRV_H
26 
27 #include <stdlib.h>
28 #include <stdint.h>
29 #include <vulkan/vulkan.h>
30 
31 #include "compiler/nir/nir.h"
32 #include "compiler/shader_enums.h"
33 #include "pipe/p_state.h"
34 
35 #include "zink_compiler.h"
36 
37 #define SPIRV_VERSION(major, minor) (((major) << 16) | ((minor) << 8))
38 
39 struct spirv_shader {
40    uint32_t *words;
41    size_t num_words;
42 };
43 
44 struct nir_shader;
45 struct pipe_stream_output_info;
46 
47 struct spirv_shader *
48 nir_to_spirv(struct nir_shader *s, const struct zink_so_info *so_info,
49              uint32_t spirv_version);
50 
51 void
52 spirv_shader_delete(struct spirv_shader *s);
53 
54 static inline bool
type_is_counter(const struct glsl_type * type)55 type_is_counter(const struct glsl_type *type)
56 {
57    return glsl_get_base_type(glsl_without_array(type)) == GLSL_TYPE_ATOMIC_UINT;
58 }
59 
60 static inline VkDescriptorType
zink_sampler_type(const struct glsl_type * type)61 zink_sampler_type(const struct glsl_type *type)
62 {
63    assert(glsl_type_is_sampler(type));
64    switch (glsl_get_sampler_dim(type)) {
65    case GLSL_SAMPLER_DIM_1D:
66    case GLSL_SAMPLER_DIM_2D:
67    case GLSL_SAMPLER_DIM_3D:
68    case GLSL_SAMPLER_DIM_CUBE:
69    case GLSL_SAMPLER_DIM_RECT:
70    case GLSL_SAMPLER_DIM_MS:
71    case GLSL_SAMPLER_DIM_EXTERNAL:
72       return VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
73    case GLSL_SAMPLER_DIM_BUF:
74       return VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER;
75    default:
76       unreachable("unimplemented");
77    }
78    return 0;
79 }
80 
81 static inline VkDescriptorType
zink_image_type(const struct glsl_type * type)82 zink_image_type(const struct glsl_type *type)
83 {
84    assert(glsl_type_is_image(type));
85    switch (glsl_get_sampler_dim(type)) {
86    case GLSL_SAMPLER_DIM_1D:
87    case GLSL_SAMPLER_DIM_2D:
88    case GLSL_SAMPLER_DIM_3D:
89    case GLSL_SAMPLER_DIM_CUBE:
90    case GLSL_SAMPLER_DIM_RECT:
91    case GLSL_SAMPLER_DIM_MS:
92    case GLSL_SAMPLER_DIM_EXTERNAL:
93       return VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
94    case GLSL_SAMPLER_DIM_BUF:
95       return VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER;
96    default:
97       unreachable("unimplemented");
98    }
99    return 0;
100 }
101 
102 struct nir_shader;
103 
104 bool
105 zink_nir_lower_b2b(struct nir_shader *shader);
106 
107 #endif
108