shaderc-sys 0.10.1

Shaderc system library FFI, building, and linking
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157

// Copyright (c) 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "source/fuzz/transformation_add_constant_null.h"

#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"

namespace spvtools {
namespace fuzz {
namespace {

TEST(TransformationAddConstantNullTest, BasicTest) {
  std::string shader = R"(
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Fragment %4 "main"
               OpExecutionMode %4 OriginUpperLeft
               OpSource ESSL 310
          %2 = OpTypeVoid
          %3 = OpTypeFunction %2
          %6 = OpTypeFloat 32
          %7 = OpTypeInt 32 1
          %8 = OpTypeVector %6 2
          %9 = OpTypeVector %6 3
         %10 = OpTypeVector %6 4
         %11 = OpTypeVector %7 2
         %20 = OpTypeSampler
         %21 = OpTypeImage %6 2D 0 0 0 0 Rgba32f
         %22 = OpTypeSampledImage %21
          %4 = OpFunction %2 None %3
          %5 = OpLabel
               OpReturn
               OpFunctionEnd
  )";

  const auto env = SPV_ENV_UNIVERSAL_1_4;
  const auto consumer = nullptr;
  const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
  spvtools::ValidatorOptions validator_options;
  ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
                                               kConsoleMessageConsumer));
  TransformationContext transformation_context(
      MakeUnique<FactManager>(context.get()), validator_options);
  // Id already in use
  ASSERT_FALSE(TransformationAddConstantNull(4, 11).IsApplicable(
      context.get(), transformation_context));
  // %1 is not a type
  ASSERT_FALSE(TransformationAddConstantNull(100, 1).IsApplicable(
      context.get(), transformation_context));

  // %3 is a function type
  ASSERT_FALSE(TransformationAddConstantNull(100, 3).IsApplicable(
      context.get(), transformation_context));

  // %20 is a sampler type
  ASSERT_FALSE(TransformationAddConstantNull(100, 20).IsApplicable(
      context.get(), transformation_context));

  // %21 is an image type
  ASSERT_FALSE(TransformationAddConstantNull(100, 21).IsApplicable(
      context.get(), transformation_context));

  // %22 is a sampled image type
  ASSERT_FALSE(TransformationAddConstantNull(100, 22).IsApplicable(
      context.get(), transformation_context));

  {
    // %100 = OpConstantNull %6
    TransformationAddConstantNull transformation(100, 6);
    ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(100));
    ASSERT_EQ(nullptr, context->get_constant_mgr()->FindDeclaredConstant(100));
    ASSERT_TRUE(
        transformation.IsApplicable(context.get(), transformation_context));
    ApplyAndCheckFreshIds(transformation, context.get(),
                          &transformation_context);
    ASSERT_EQ(spv::Op::OpConstantNull,
              context->get_def_use_mgr()->GetDef(100)->opcode());
    ASSERT_EQ(
        0.0F,
        context->get_constant_mgr()->FindDeclaredConstant(100)->GetFloat());
  }

  TransformationAddConstantNull transformations[] = {

      // %101 = OpConstantNull %7
      TransformationAddConstantNull(101, 7),

      // %102 = OpConstantNull %8
      TransformationAddConstantNull(102, 8),

      // %103 = OpConstantNull %9
      TransformationAddConstantNull(103, 9),

      // %104 = OpConstantNull %10
      TransformationAddConstantNull(104, 10),

      // %105 = OpConstantNull %11
      TransformationAddConstantNull(105, 11)};

  for (auto& transformation : transformations) {
    ASSERT_TRUE(
        transformation.IsApplicable(context.get(), transformation_context));
    ApplyAndCheckFreshIds(transformation, context.get(),
                          &transformation_context);
  }
  ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
                                               kConsoleMessageConsumer));

  std::string after_transformation = R"(
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Fragment %4 "main"
               OpExecutionMode %4 OriginUpperLeft
               OpSource ESSL 310
          %2 = OpTypeVoid
          %3 = OpTypeFunction %2
          %6 = OpTypeFloat 32
          %7 = OpTypeInt 32 1
          %8 = OpTypeVector %6 2
          %9 = OpTypeVector %6 3
         %10 = OpTypeVector %6 4
         %11 = OpTypeVector %7 2
         %20 = OpTypeSampler
         %21 = OpTypeImage %6 2D 0 0 0 0 Rgba32f
         %22 = OpTypeSampledImage %21
        %100 = OpConstantNull %6
        %101 = OpConstantNull %7
        %102 = OpConstantNull %8
        %103 = OpConstantNull %9
        %104 = OpConstantNull %10
        %105 = OpConstantNull %11
          %4 = OpFunction %2 None %3
          %5 = OpLabel
               OpReturn
               OpFunctionEnd
  )";
  ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}

}  // namespace
}  // namespace fuzz
}  // namespace spvtools