231 lines
6.9 KiB
Plaintext
231 lines
6.9 KiB
Plaintext
#!amber
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# Copyright 2020 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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DEVICE_EXTENSION VK_KHR_shader_terminate_invocation
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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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# '--eliminate-dead-branches'
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# '--eliminate-local-multi-store'
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# '--eliminate-local-single-store'
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# '--simplify-instructions'
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# '--eliminate-dead-branches'
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# '--copy-propagate-arrays'
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# '--copy-propagate-arrays'
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# '--eliminate-dead-inserts'
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# '--vector-dce'
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# '--vector-dce'
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# '--inline-entry-points-exhaustive'
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# '--eliminate-local-single-store'
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# '--eliminate-local-single-store'
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# '--simplify-instructions'
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# '--eliminate-local-single-block'
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# '--ccp'
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# '--private-to-local'
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# '--scalar-replacement=100'
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# '--eliminate-local-single-block'
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# '--private-to-local'
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# '--scalar-replacement=100'
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# '--simplify-instructions'
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# '--eliminate-dead-branches'
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# '--merge-blocks'
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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 _float_1_0 _GLF_uniform_float_values[0]
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# #define _float_2_0 _GLF_uniform_float_values[1]
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#
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# precision highp float;
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# precision highp int;
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#
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# // Contents of _GLF_uniform_float_values: [1.0, 2.0]
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# layout(set = 0, binding = 0) uniform buf0
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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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# // Contents of zero: 0.0
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# layout(set = 0, binding = 1) uniform buf1
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# {
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# float zero;
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# };
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#
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# void main()
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# {
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# vec2 v0 = vec2(_float_1_0);
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# vec4 v1 = vec4(v0.x);
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#
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# // Always true.
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# if(zero != _float_1_0)
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# {
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# // Always false.
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# if(zero == _float_2_0)
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# {
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# return;
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# }
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# v1.yz -= _float_1_0;
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# }
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# else
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# {
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# discard;
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# }
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#
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# _GLF_color = v1;
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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: 62
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; Schema: 0
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OpCapability Shader
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OpExtension "SPV_KHR_terminate_invocation"
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main" %61
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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 %9 "v0"
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OpName %13 "buf0"
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OpMemberName %13 0 "_GLF_uniform_float_values"
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OpName %15 ""
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OpName %24 "v1"
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OpName %30 "buf1"
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OpMemberName %30 0 "zero"
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OpName %32 ""
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OpName %61 "_GLF_color"
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OpDecorate %12 ArrayStride 16
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OpMemberDecorate %13 0 Offset 0
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OpDecorate %13 Block
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OpDecorate %15 DescriptorSet 0
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OpDecorate %15 Binding 0
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OpMemberDecorate %30 0 Offset 0
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OpDecorate %30 Block
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OpDecorate %32 DescriptorSet 0
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OpDecorate %32 Binding 1
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OpDecorate %61 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 = OpTypePointer Function %7
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%10 = OpTypeInt 32 0
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%11 = OpConstant %10 2
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%12 = OpTypeArray %6 %11
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%13 = OpTypeStruct %12
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%14 = OpTypePointer Uniform %13
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%15 = OpVariable %14 Uniform
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%16 = OpTypeInt 32 1
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%17 = OpConstant %16 0
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%18 = OpTypePointer Uniform %6
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%22 = OpTypeVector %6 4
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%23 = OpTypePointer Function %22
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%25 = OpConstant %10 0
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%26 = OpTypePointer Function %6
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%30 = OpTypeStruct %6
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%31 = OpTypePointer Uniform %30
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%32 = OpVariable %31 Uniform
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%37 = OpTypeBool
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%43 = OpConstant %16 1
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%60 = OpTypePointer Output %22
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%61 = OpVariable %60 Output
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%9 = OpVariable %8 Function
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%24 = OpVariable %23 Function
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%19 = OpAccessChain %18 %15 %17 %17
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%20 = OpLoad %6 %19
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%21 = OpCompositeConstruct %7 %20 %20
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OpStore %9 %21
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%27 = OpAccessChain %26 %9 %25
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%28 = OpLoad %6 %27
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%29 = OpCompositeConstruct %22 %28 %28 %28 %28
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OpStore %24 %29
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%33 = OpAccessChain %18 %32 %17
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%34 = OpLoad %6 %33
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%35 = OpAccessChain %18 %15 %17 %17
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%36 = OpLoad %6 %35
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%38 = OpFUnordNotEqual %37 %34 %36
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OpSelectionMerge %40 None
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OpBranchConditional %38 %39 %58
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%39 = OpLabel
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%41 = OpAccessChain %18 %32 %17
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%42 = OpLoad %6 %41
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%44 = OpAccessChain %18 %15 %17 %43
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%45 = OpLoad %6 %44
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%46 = OpFOrdEqual %37 %42 %45
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OpSelectionMerge %48 None
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OpBranchConditional %46 %47 %48
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%47 = OpLabel
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OpReturn
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%48 = OpLabel
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%50 = OpAccessChain %18 %15 %17 %17
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%51 = OpLoad %6 %50
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%53 = OpVectorShuffle %7 %29 %29 1 2
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%54 = OpCompositeConstruct %7 %51 %51
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%55 = OpFSub %7 %53 %54
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%57 = OpVectorShuffle %22 %29 %55 0 4 5 3
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OpStore %24 %57
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OpBranch %40
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%58 = OpLabel
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OpTerminateInvocation
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%40 = OpLabel
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OpStore %61 %57
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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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# zero
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BUFFER variant_zero DATA_TYPE float STD140 DATA
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0.0
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END
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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 2.0
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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_zero AS uniform DESCRIPTOR_SET 0 BINDING 1
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BIND BUFFER variant__GLF_uniform_float_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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