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1 /*
2  * Copyright © Microsoft Corporation
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
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include "dxil_enums.h"
25 
26 #include "nir.h"
27 #include "nir_types.h"
28 
29 #include "util/u_debug.h"
30 
dxil_get_prog_sig_comp_type(const struct glsl_type * type)31 enum dxil_prog_sig_comp_type dxil_get_prog_sig_comp_type(const struct glsl_type *type)
32 {
33    type = glsl_without_array(type);
34 
35    switch (glsl_get_base_type(type)) {
36    case GLSL_TYPE_UINT: return DXIL_PROG_SIG_COMP_TYPE_UINT32;
37    case GLSL_TYPE_INT: return DXIL_PROG_SIG_COMP_TYPE_SINT32;
38    case GLSL_TYPE_FLOAT: return DXIL_PROG_SIG_COMP_TYPE_FLOAT32;
39    case GLSL_TYPE_FLOAT16: return DXIL_PROG_SIG_COMP_TYPE_FLOAT16;
40    case GLSL_TYPE_DOUBLE: return DXIL_PROG_SIG_COMP_TYPE_FLOAT64;
41    case GLSL_TYPE_UINT16: return DXIL_PROG_SIG_COMP_TYPE_UINT16;
42    case GLSL_TYPE_INT16: return DXIL_PROG_SIG_COMP_TYPE_SINT16;
43    case GLSL_TYPE_UINT64: return DXIL_PROG_SIG_COMP_TYPE_UINT64;
44    case GLSL_TYPE_INT64: return DXIL_PROG_SIG_COMP_TYPE_SINT64;
45    case GLSL_TYPE_BOOL: return DXIL_PROG_SIG_COMP_TYPE_UINT32;
46    case GLSL_TYPE_STRUCT: return DXIL_PROG_SIG_COMP_TYPE_UNKNOWN;
47    default:
48       debug_printf("unexpected type: %s\n", glsl_get_type_name(type));
49       return DXIL_PROG_SIG_COMP_TYPE_UNKNOWN;
50    }
51 }
52 
dxil_get_comp_type(const struct glsl_type * type)53 enum dxil_component_type dxil_get_comp_type(const struct glsl_type *type)
54 {
55    type = glsl_without_array(type);
56 
57    enum glsl_base_type base_type = glsl_get_base_type(type);
58    if (glsl_type_is_texture(type) || glsl_type_is_image(type))
59       base_type = glsl_get_sampler_result_type(type);
60    switch (base_type) {
61    case GLSL_TYPE_UINT: return DXIL_COMP_TYPE_U32;
62    case GLSL_TYPE_INT: return DXIL_COMP_TYPE_I32;
63    case GLSL_TYPE_FLOAT: return DXIL_COMP_TYPE_F32;
64    case GLSL_TYPE_FLOAT16: return DXIL_COMP_TYPE_F16;
65    case GLSL_TYPE_DOUBLE: return DXIL_COMP_TYPE_F64;
66    case GLSL_TYPE_UINT16: return DXIL_COMP_TYPE_U16;
67    case GLSL_TYPE_INT16: return DXIL_COMP_TYPE_I16;
68    case GLSL_TYPE_UINT64: return DXIL_COMP_TYPE_U64;
69    case GLSL_TYPE_INT64: return DXIL_COMP_TYPE_I64;
70    case GLSL_TYPE_BOOL: return DXIL_COMP_TYPE_I1;
71 
72    default:
73       debug_printf("type: %s\n", glsl_get_type_name(type));
74       unreachable("unexpected glsl type");
75    }
76 }
77 
dxil_get_resource_kind(const struct glsl_type * type)78 enum dxil_resource_kind dxil_get_resource_kind(const struct glsl_type *type)
79 {
80    type = glsl_without_array(type);
81 
82    /* This looks weird, we strip the arrays but then we still test whether it's
83     * an array, key is the first refers to sampler[] and the second to samplerArray */
84    bool is_array = glsl_sampler_type_is_array(type);
85 
86    if (glsl_type_is_texture(type) || glsl_type_is_image(type)) {
87       switch (glsl_get_sampler_dim(type)) {
88          case GLSL_SAMPLER_DIM_1D:
89             return is_array ? DXIL_RESOURCE_KIND_TEXTURE1D_ARRAY
90                             : DXIL_RESOURCE_KIND_TEXTURE1D;
91          case GLSL_SAMPLER_DIM_2D:
92          case GLSL_SAMPLER_DIM_EXTERNAL:
93          case GLSL_SAMPLER_DIM_SUBPASS:
94             return is_array ? DXIL_RESOURCE_KIND_TEXTURE2D_ARRAY
95                             : DXIL_RESOURCE_KIND_TEXTURE2D;
96          case GLSL_SAMPLER_DIM_3D:
97             return DXIL_RESOURCE_KIND_TEXTURE3D;
98          case GLSL_SAMPLER_DIM_CUBE:
99             return is_array ? DXIL_RESOURCE_KIND_TEXTURECUBE_ARRAY
100                             : DXIL_RESOURCE_KIND_TEXTURECUBE;
101          case GLSL_SAMPLER_DIM_RECT:
102             return DXIL_RESOURCE_KIND_TEXTURE2D;
103          case GLSL_SAMPLER_DIM_BUF:
104             return DXIL_RESOURCE_KIND_TYPED_BUFFER;
105          case GLSL_SAMPLER_DIM_MS:
106          case GLSL_SAMPLER_DIM_SUBPASS_MS:
107             return is_array ? DXIL_RESOURCE_KIND_TEXTURE2DMS_ARRAY
108                             : DXIL_RESOURCE_KIND_TEXTURE2DMS;
109 
110          default:
111             debug_printf("type: %s\n", glsl_get_type_name(type));
112             unreachable("unexpected sampler type");
113       }
114    }
115 
116    debug_printf("type: %s\n", glsl_get_type_name(type));
117    unreachable("unexpected glsl type");
118 }
119 
dxil_get_input_primitive(enum shader_prim primitive)120 enum dxil_input_primitive dxil_get_input_primitive(enum shader_prim primitive)
121 {
122    switch (primitive) {
123    case SHADER_PRIM_POINTS:
124       return DXIL_INPUT_PRIMITIVE_POINT;
125    case SHADER_PRIM_LINES:
126       return DXIL_INPUT_PRIMITIVE_LINE;
127    case SHADER_PRIM_LINES_ADJACENCY:
128       return DXIL_INPUT_PRIMITIVE_LINES_ADJENCY;
129    case SHADER_PRIM_TRIANGLES:
130       return DXIL_INPUT_PRIMITIVE_TRIANGLE;
131    case SHADER_PRIM_TRIANGLES_ADJACENCY:
132       return DXIL_INPUT_PRIMITIVE_TRIANGLES_ADJENCY;
133    default:
134       unreachable("unhandled primitive topology");
135    }
136 }
137 
dxil_get_primitive_topology(enum shader_prim topology)138 enum dxil_primitive_topology dxil_get_primitive_topology(enum shader_prim topology)
139 {
140    switch (topology) {
141    case SHADER_PRIM_POINTS:
142       return DXIL_PRIMITIVE_TOPOLOGY_POINT_LIST;
143    case SHADER_PRIM_LINES:
144       return DXIL_PRIMITIVE_TOPOLOGY_LINE_LIST;
145    case SHADER_PRIM_LINE_STRIP:
146       return DXIL_PRIMITIVE_TOPOLOGY_LINE_STRIP;
147    case SHADER_PRIM_TRIANGLE_STRIP:
148       return DXIL_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP;
149    default:
150       unreachable("unhandled primitive topology");
151    }
152 }
153 
154 static const char *overload_str[DXIL_NUM_OVERLOADS] = {
155    [DXIL_NONE] = "",
156    [DXIL_I16] = "i16",
157    [DXIL_I32] = "i32",
158    [DXIL_I64] = "i64",
159    [DXIL_F16] = "f16",
160    [DXIL_F32] = "f32",
161    [DXIL_F64] = "f64",
162 };
163 
dxil_overload_suffix(enum overload_type overload)164 const char *dxil_overload_suffix( enum overload_type overload)
165 {
166    assert(overload < DXIL_NUM_OVERLOADS);
167    return overload_str[overload];
168 }
169