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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 "glsl_types.h"
27 #include "nir.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_UINT32;
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_UINT32;
44    case GLSL_TYPE_INT64: return DXIL_PROG_SIG_COMP_TYPE_SINT32;
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_U32;
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_U32;
69    case GLSL_TYPE_INT64: return DXIL_COMP_TYPE_I32;
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_sampler_dim_to_resource_kind(enum glsl_sampler_dim dim,bool is_array)78 enum dxil_resource_kind dxil_sampler_dim_to_resource_kind(enum glsl_sampler_dim dim, bool is_array)
79 {
80    switch (dim) {
81       case GLSL_SAMPLER_DIM_1D:
82          return is_array ? DXIL_RESOURCE_KIND_TEXTURE1D_ARRAY
83                          : DXIL_RESOURCE_KIND_TEXTURE1D;
84       case GLSL_SAMPLER_DIM_2D:
85       case GLSL_SAMPLER_DIM_EXTERNAL:
86          return is_array ? DXIL_RESOURCE_KIND_TEXTURE2D_ARRAY
87                          : DXIL_RESOURCE_KIND_TEXTURE2D;
88       case GLSL_SAMPLER_DIM_SUBPASS:
89          return DXIL_RESOURCE_KIND_TEXTURE2D_ARRAY;
90       case GLSL_SAMPLER_DIM_3D:
91          return DXIL_RESOURCE_KIND_TEXTURE3D;
92       case GLSL_SAMPLER_DIM_CUBE:
93          return is_array ? DXIL_RESOURCE_KIND_TEXTURECUBE_ARRAY
94                          : DXIL_RESOURCE_KIND_TEXTURECUBE;
95       case GLSL_SAMPLER_DIM_RECT:
96          return DXIL_RESOURCE_KIND_TEXTURE2D;
97       case GLSL_SAMPLER_DIM_BUF:
98          return DXIL_RESOURCE_KIND_TYPED_BUFFER;
99       case GLSL_SAMPLER_DIM_MS:
100          return is_array ? DXIL_RESOURCE_KIND_TEXTURE2DMS_ARRAY
101                          : DXIL_RESOURCE_KIND_TEXTURE2DMS;
102       case GLSL_SAMPLER_DIM_SUBPASS_MS:
103          return DXIL_RESOURCE_KIND_TEXTURE2DMS_ARRAY;
104 
105       default:
106          unreachable("unexpected sampler type");
107    }
108 }
109 
dxil_get_resource_kind(const struct glsl_type * type)110 enum dxil_resource_kind dxil_get_resource_kind(const struct glsl_type *type)
111 {
112    type = glsl_without_array(type);
113 
114    /* This looks weird, we strip the arrays but then we still test whether it's
115     * an array, key is the first refers to sampler[] and the second to samplerArray */
116    bool is_array = glsl_sampler_type_is_array(type);
117 
118    if (glsl_type_is_texture(type) || glsl_type_is_image(type))
119       return dxil_sampler_dim_to_resource_kind(glsl_get_sampler_dim(type), is_array);
120 
121    debug_printf("type: %s\n", glsl_get_type_name(type));
122    unreachable("unexpected glsl type");
123 }
124 
dxil_get_input_primitive(enum mesa_prim primitive)125 enum dxil_input_primitive dxil_get_input_primitive(enum mesa_prim primitive)
126 {
127    switch (primitive) {
128    case MESA_PRIM_POINTS:
129       return DXIL_INPUT_PRIMITIVE_POINT;
130    case MESA_PRIM_LINES:
131       return DXIL_INPUT_PRIMITIVE_LINE;
132    case MESA_PRIM_LINES_ADJACENCY:
133       return DXIL_INPUT_PRIMITIVE_LINES_ADJENCY;
134    case MESA_PRIM_TRIANGLES:
135       return DXIL_INPUT_PRIMITIVE_TRIANGLE;
136    case MESA_PRIM_TRIANGLES_ADJACENCY:
137       return DXIL_INPUT_PRIMITIVE_TRIANGLES_ADJENCY;
138    default:
139       unreachable("unhandled primitive topology");
140    }
141 }
142 
dxil_get_primitive_topology(enum mesa_prim topology)143 enum dxil_primitive_topology dxil_get_primitive_topology(enum mesa_prim topology)
144 {
145    switch (topology) {
146    case MESA_PRIM_POINTS:
147       return DXIL_PRIMITIVE_TOPOLOGY_POINT_LIST;
148    case MESA_PRIM_LINES:
149       return DXIL_PRIMITIVE_TOPOLOGY_LINE_LIST;
150    case MESA_PRIM_LINE_STRIP:
151       return DXIL_PRIMITIVE_TOPOLOGY_LINE_STRIP;
152    case MESA_PRIM_TRIANGLE_STRIP:
153       return DXIL_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP;
154    default:
155       unreachable("unhandled primitive topology");
156    }
157 }
158 
159 static const char *overload_str[DXIL_NUM_OVERLOADS] = {
160    [DXIL_NONE] = "",
161    [DXIL_I1] = "i1",
162    [DXIL_I16] = "i16",
163    [DXIL_I32] = "i32",
164    [DXIL_I64] = "i64",
165    [DXIL_F16] = "f16",
166    [DXIL_F32] = "f32",
167    [DXIL_F64] = "f64",
168 };
169 
dxil_overload_suffix(enum overload_type overload)170 const char *dxil_overload_suffix( enum overload_type overload)
171 {
172    assert(overload < DXIL_NUM_OVERLOADS);
173    return overload_str[overload];
174 }
175