250 lines
7.9 KiB
Plaintext
250 lines
7.9 KiB
Plaintext
#!amber
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# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# A test for a coverage-gap found by the GraphicsFuzz project.
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# Short description: A fragment shader that covers specific NIR code paths
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# The test passes because the shader always writes red.
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# Optimized using spirv-opt with the following arguments:
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# '--reduce-load-size'
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# '--if-conversion'
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# '--if-conversion'
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# '--combine-access-chains'
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# '--eliminate-dead-branches'
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# '--merge-return'
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# '--eliminate-dead-branches'
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# '--merge-blocks'
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# '--if-conversion'
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# '--eliminate-local-single-store'
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# '--redundancy-elimination'
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# '--private-to-local'
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# '--combine-access-chains'
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# '--ccp'
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# '--eliminate-local-multi-store'
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# '--if-conversion'
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# '--convert-local-access-chains'
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# '--combine-access-chains'
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# '--reduce-load-size'
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# '--ccp'
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# '--eliminate-dead-inserts'
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# '--simplify-instructions'
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# '--eliminate-dead-code-aggressive'
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# spirv-opt commit hash: a0370efd589be33d5d9a85cfde2f85841b3755af
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SHADER vertex variant_vertex_shader PASSTHROUGH
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# variant_fragment_shader is derived from the following GLSL:
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# #version 320 es
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# #define _int_0 _GLF_uniform_int_values[0]
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# #define _int_1 _GLF_uniform_int_values[1]
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# #define _int_2 _GLF_uniform_int_values[2]
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# #define _float_1_0 _GLF_uniform_float_values[0]
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# #define _float_0_0 _GLF_uniform_float_values[1]
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#
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# precision highp int;
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# precision highp float;
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#
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# // Contents of _GLF_uniform_int_values: [0, 1, 2]
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# int _GLF_uniform_int_values[3];
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# };
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# // Contents of _GLF_uniform_float_values: [1.0, 0.0]
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# layout(set = 0, binding = 1) uniform buf1
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# {
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# float _GLF_uniform_float_values[2];
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# };
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#
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# layout(location = 0) out vec4 _GLF_color;
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#
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# void main()
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# {
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# mat3x2 m32 = mat3x2(_float_1_0);
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# int a = 3;
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#
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# // Always false.
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# if (_int_0 == 1)
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# {
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# // Indexing past the matrix elements, but this
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# // code is never executed and the values are not
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# // used for the final results.
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# m32[a][_int_0] = _float_1_0;
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# }
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#
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# float sums[3] = float[3](_float_1_0, _float_1_0, _float_1_0);
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#
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# for(int c = _int_0; c < _int_2; c ++)
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# {
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# // This value is still unused later.
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# sums[_int_2] += m32[c][_int_0];
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# }
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#
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# // This only depends on the initialized constant values.
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# _GLF_color = vec4(sums[_int_0], _float_0_0, _float_0_0, sums[_int_1]);
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# }
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SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
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; SPIR-V
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; Version: 1.0
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; Generator: Khronos Glslang Reference Front End; 10
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; Bound: 105
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; Schema: 0
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main" %89
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 320
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OpName %4 "main"
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OpName %10 "m32"
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OpName %14 "buf1"
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OpMemberName %14 0 "_GLF_uniform_float_values"
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OpName %16 ""
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OpName %33 "buf0"
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OpMemberName %33 0 "_GLF_uniform_int_values"
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OpName %35 ""
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OpName %53 "sums"
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OpName %89 "_GLF_color"
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OpDecorate %13 ArrayStride 16
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OpMemberDecorate %14 0 Offset 0
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OpDecorate %14 Block
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OpDecorate %16 DescriptorSet 0
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OpDecorate %16 Binding 1
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OpDecorate %32 ArrayStride 16
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OpMemberDecorate %33 0 Offset 0
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OpDecorate %33 Block
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OpDecorate %35 DescriptorSet 0
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OpDecorate %35 Binding 0
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OpDecorate %89 Location 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypeVector %6 2
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%8 = OpTypeMatrix %7 3
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%9 = OpTypePointer Function %8
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%11 = OpTypeInt 32 0
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%12 = OpConstant %11 2
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%13 = OpTypeArray %6 %12
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%14 = OpTypeStruct %13
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%15 = OpTypePointer Uniform %14
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%16 = OpVariable %15 Uniform
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%17 = OpTypeInt 32 1
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%18 = OpConstant %17 0
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%19 = OpTypePointer Uniform %6
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%23 = OpConstant %6 0
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%30 = OpConstant %17 3
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%31 = OpConstant %11 3
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%32 = OpTypeArray %17 %31
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%33 = OpTypeStruct %32
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%34 = OpTypePointer Uniform %33
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%35 = OpVariable %34 Uniform
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%36 = OpTypePointer Uniform %17
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%39 = OpConstant %17 1
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%40 = OpTypeBool
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%49 = OpTypePointer Function %6
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%51 = OpTypeArray %6 %31
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%52 = OpTypePointer Function %51
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%70 = OpConstant %17 2
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%87 = OpTypeVector %6 4
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%88 = OpTypePointer Output %87
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%89 = OpVariable %88 Output
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%103 = OpConstantComposite %7 %23 %23
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%10 = OpVariable %9 Function
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%53 = OpVariable %52 Function
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%20 = OpAccessChain %19 %16 %18 %18
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%21 = OpLoad %6 %20
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%24 = OpCompositeConstruct %7 %21 %23
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%25 = OpCompositeConstruct %7 %23 %21
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%27 = OpCompositeConstruct %8 %24 %25 %103
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OpStore %10 %27
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%37 = OpAccessChain %36 %35 %18 %18
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%38 = OpLoad %17 %37
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%41 = OpIEqual %40 %38 %39
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OpSelectionMerge %43 None
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OpBranchConditional %41 %42 %43
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%42 = OpLabel
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%50 = OpAccessChain %49 %10 %30 %38
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OpStore %50 %21
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OpBranch %43
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%43 = OpLabel
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%60 = OpCompositeConstruct %51 %21 %21 %21
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OpStore %53 %60
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OpBranch %64
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%64 = OpLabel
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%104 = OpPhi %17 %38 %43 %86 %65
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%71 = OpAccessChain %36 %35 %18 %70
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%72 = OpLoad %17 %71
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%73 = OpSLessThan %40 %104 %72
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OpLoopMerge %66 %65 None
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OpBranchConditional %73 %65 %66
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%65 = OpLabel
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%79 = OpAccessChain %49 %10 %104 %38
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%80 = OpLoad %6 %79
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%81 = OpAccessChain %49 %53 %72
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%82 = OpLoad %6 %81
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%83 = OpFAdd %6 %82 %80
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OpStore %81 %83
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%86 = OpIAdd %17 %104 %39
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OpBranch %64
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%66 = OpLabel
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%92 = OpAccessChain %49 %53 %38
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%93 = OpLoad %6 %92
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%94 = OpAccessChain %19 %16 %18 %39
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%95 = OpLoad %6 %94
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%98 = OpAccessChain %36 %35 %18 %39
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%99 = OpLoad %17 %98
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%100 = OpAccessChain %49 %53 %99
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%101 = OpLoad %6 %100
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%102 = OpCompositeConstruct %87 %93 %95 %95 %101
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OpStore %89 %102
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OpReturn
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OpFunctionEnd
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END
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# uniforms for variant
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# _GLF_uniform_float_values
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BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
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1.0 0.0
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END
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# _GLF_uniform_int_values
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BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
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0 1 2
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END
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BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM
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PIPELINE graphics variant_pipeline
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ATTACH variant_vertex_shader
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ATTACH variant_fragment_shader
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FRAMEBUFFER_SIZE 256 256
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BIND BUFFER variant_framebuffer AS color LOCATION 0
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BIND BUFFER variant__GLF_uniform_float_values AS uniform DESCRIPTOR_SET 0 BINDING 1
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BIND BUFFER variant__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 0
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END
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CLEAR_COLOR variant_pipeline 0 0 0 255
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CLEAR variant_pipeline
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RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 256 256
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EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255
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