external/vulkancts/data/vulkan/amber/graphicsfuzz/cov-fragcoord-conditions-never-return-index-array-using-uniform.amber - third_party/vulkan-cts - Git at Google

 #!amber

 # Copyright 2021 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.


 # A test for a coverage-gap found by the GraphicsFuzz project.

 # Short description: A fragment shader that covers specific LLVM code paths

 # The test passes because the shader always writes red.

 # Optimized using spirv-opt with the following arguments:
 # '--if-conversion'
 # '--eliminate-dead-branches'
 # '--merge-return'
 # '--private-to-local'
 # '--scalar-replacement=100'
 # '--if-conversion'
 # '--scalar-replacement=100'
 # '--eliminate-dead-branches'
 # '--scalar-replacement=100'
 # '--redundancy-elimination'
 # '--private-to-local'
 # '--eliminate-dead-branches'
 # '--merge-blocks'
 # '--if-conversion'
 # '--if-conversion'
 # '--scalar-replacement=100'
 # '--inline-entry-points-exhaustive'
 # '--eliminate-dead-code-aggressive'
 # '--copy-propagate-arrays'
 # '--eliminate-local-single-block'
 # '--vector-dce'
 # '--ccp'
 # spirv-opt commit hash: a0370efd589be33d5d9a85cfde2f85841b3755af


 SHADER vertex variant_vertex_shader PASSTHROUGH

 # variant_fragment_shader is derived from the following GLSL:
 # #version 320 es
 #
 # #define _int_1 _GLF_uniform_int_values[0]
 # #define _int_0 _GLF_uniform_int_values[1]
 # #define _float_0_0 _GLF_uniform_float_values[0]
 # #define _float_300_0 _GLF_uniform_float_values[1]
 #
 # precision highp float;
 # precision highp int;
 #
 # // Contents of _GLF_uniform_int_values: [1, 0]
 # layout(set = 0, binding = 0) uniform buf0
 # {
 #     int _GLF_uniform_int_values[2];
 # };
 #
 # // Contents of _GLF_uniform_float_values: [0.0, 300.0]
 # layout(set = 0, binding = 1) uniform buf1 {
 #     float _GLF_uniform_float_values[2];
 # };
 #
 # layout(location = 0) out vec4 _GLF_color;
 #
 # void main()
 # {
 #     // Always false.
 #     if(gl_FragCoord.x < _float_0_0)
 #     {
 #         for(int i = _int_1; i != _int_1; )
 #         {
 #             return;
 #         }
 #     }
 #
 #     // Iterated once.
 #     do
 #     {
 #         // Useless line but still needed for the coverage.
 #         gl_FragCoord.y < _float_0_0;
 #
 #
 #         // Always false.
 #         if(gl_FragCoord.y >= _float_300_0)
 #         {
 #             return;
 #         }
 #     }
 #     while(gl_FragCoord.y < _float_0_0);
 #
 #     // Selects (1, 0, 0, 1).
 #     _GLF_color = vec4[4](vec4(_int_1, _int_0, _int_0, _int_1), vec4(_int_0), vec4(_int_0), vec4(_int_0))[_int_0];
 # }
 SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
 ; SPIR-V
 ; Version: 1.0
 ; Generator: Khronos Glslang Reference Front End; 10
 ; Bound: 119
 ; Schema: 0
                OpCapability Shader
           %1 = OpExtInstImport "GLSL.std.450"
                OpMemoryModel Logical GLSL450
                OpEntryPoint Fragment %4 "main" %9 %73
                OpExecutionMode %4 OriginUpperLeft
                OpSource ESSL 320
                OpName %4 "main"
                OpName %9 "gl_FragCoord"
                OpName %17 "buf1"
                OpMemberName %17 0 "_GLF_uniform_float_values"
                OpName %19 ""
                OpName %30 "i"
                OpName %32 "buf0"
                OpMemberName %32 0 "_GLF_uniform_int_values"
                OpName %34 ""
                OpName %73 "_GLF_color"
                OpName %105 "indexable"
                OpDecorate %9 BuiltIn FragCoord
                OpDecorate %16 ArrayStride 16
                OpMemberDecorate %17 0 Offset 0
                OpDecorate %17 Block
                OpDecorate %19 DescriptorSet 0
                OpDecorate %19 Binding 1
                OpDecorate %31 ArrayStride 16
                OpMemberDecorate %32 0 Offset 0
                OpDecorate %32 Block
                OpDecorate %34 DescriptorSet 0
                OpDecorate %34 Binding 0
                OpDecorate %73 Location 0
           %2 = OpTypeVoid
           %3 = OpTypeFunction %2
           %6 = OpTypeFloat 32
           %7 = OpTypeVector %6 4
           %8 = OpTypePointer Input %7
           %9 = OpVariable %8 Input
          %10 = OpTypeInt 32 0
          %11 = OpConstant %10 0
          %12 = OpTypePointer Input %6
          %15 = OpConstant %10 2
          %16 = OpTypeArray %6 %15
          %17 = OpTypeStruct %16
          %18 = OpTypePointer Uniform %17
          %19 = OpVariable %18 Uniform
          %20 = OpTypeInt 32 1
          %21 = OpConstant %20 0
          %22 = OpTypePointer Uniform %6
          %25 = OpTypeBool
          %29 = OpTypePointer Function %20
          %31 = OpTypeArray %20 %15
          %32 = OpTypeStruct %31
          %33 = OpTypePointer Uniform %32
          %34 = OpVariable %33 Uniform
          %35 = OpTypePointer Uniform %20
          %52 = OpConstant %10 1
          %60 = OpConstant %20 1
          %72 = OpTypePointer Output %7
          %73 = OpVariable %72 Output
          %99 = OpConstant %10 4
         %100 = OpTypeArray %7 %99
         %104 = OpTypePointer Function %100
         %106 = OpTypePointer Function %7
         %111 = OpConstantFalse %25
         %112 = OpTypePointer Function %25
         %114 = OpConstantTrue %25
           %4 = OpFunction %2 None %3
           %5 = OpLabel
         %113 = OpVariable %112 Function %111
          %30 = OpVariable %29 Function
         %105 = OpVariable %104 Function
                OpSelectionMerge %109 None
                OpSwitch %11 %110
         %110 = OpLabel
          %13 = OpAccessChain %12 %9 %11
          %14 = OpLoad %6 %13
          %23 = OpAccessChain %22 %19 %21 %21
          %24 = OpLoad %6 %23
          %26 = OpFOrdLessThan %25 %14 %24
                OpSelectionMerge %28 None
                OpBranchConditional %26 %27 %28
          %27 = OpLabel
          %36 = OpAccessChain %35 %34 %21 %21
          %37 = OpLoad %20 %36
                OpStore %30 %37
                OpBranch %38
          %38 = OpLabel
          %43 = OpLoad %20 %30
          %46 = OpINotEqual %25 %43 %37
                OpLoopMerge %40 %41 None
                OpBranchConditional %46 %39 %40
          %39 = OpLabel
                OpStore %113 %114
                OpBranch %40
          %41 = OpLabel
                OpBranch %38
          %40 = OpLabel
         %116 = OpLoad %25 %113
                OpSelectionMerge %115 None
                OpBranchConditional %116 %109 %115
         %115 = OpLabel
                OpBranch %28
          %28 = OpLabel
                OpBranch %48
          %48 = OpLabel
                OpLoopMerge %50 %51 None
                OpBranch %49
          %49 = OpLabel
          %53 = OpAccessChain %12 %9 %52
          %54 = OpLoad %6 %53
          %57 = OpFOrdLessThan %25 %54 %24
          %61 = OpAccessChain %22 %19 %21 %60
          %62 = OpLoad %6 %61
          %63 = OpFOrdGreaterThanEqual %25 %54 %62
                OpSelectionMerge %65 None
                OpBranchConditional %63 %64 %65
          %64 = OpLabel
                OpStore %113 %114
                OpBranch %50
          %65 = OpLabel
                OpBranch %51
          %51 = OpLabel
                OpBranchConditional %57 %48 %50
          %50 = OpLabel
         %118 = OpLoad %25 %113
                OpSelectionMerge %117 None
                OpBranchConditional %118 %109 %117
         %117 = OpLabel
          %74 = OpAccessChain %35 %34 %21 %21
          %75 = OpLoad %20 %74
          %76 = OpConvertSToF %6 %75
          %77 = OpAccessChain %35 %34 %21 %60
          %78 = OpLoad %20 %77
          %79 = OpConvertSToF %6 %78
          %86 = OpCompositeConstruct %7 %76 %79 %79 %76
          %90 = OpCompositeConstruct %7 %79 %79 %79 %79
         %101 = OpCompositeConstruct %100 %86 %90 %90 %90
                OpStore %105 %101
         %107 = OpAccessChain %106 %105 %78
         %108 = OpLoad %7 %107
                OpStore %73 %108
                OpStore %113 %114
                OpBranch %109
         %109 = OpLabel
                OpReturn
                OpFunctionEnd
 END

 # uniforms for variant

 # _GLF_uniform_float_values
 BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
  0.0 300.0
 END
 # _GLF_uniform_int_values
 BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
  1 0
 END

 BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM

 PIPELINE graphics variant_pipeline
   ATTACH variant_vertex_shader
   ATTACH variant_fragment_shader
   FRAMEBUFFER_SIZE 256 256
   BIND BUFFER variant_framebuffer AS color LOCATION 0
   BIND BUFFER variant__GLF_uniform_float_values AS uniform DESCRIPTOR_SET 0 BINDING 1
   BIND BUFFER variant__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 0
 END
 CLEAR_COLOR variant_pipeline 0 0 0 255

 CLEAR variant_pipeline
 RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 256 256

 EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255
	#!amber

	# Copyright 2021 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.


	# A test for a coverage-gap found by the GraphicsFuzz project.

	# Short description: A fragment shader that covers specific LLVM code paths

	# The test passes because the shader always writes red.

	# Optimized using spirv-opt with the following arguments:
	# '--if-conversion'
	# '--eliminate-dead-branches'
	# '--merge-return'
	# '--private-to-local'
	# '--scalar-replacement=100'
	# '--if-conversion'
	# '--scalar-replacement=100'
	# '--eliminate-dead-branches'
	# '--scalar-replacement=100'
	# '--redundancy-elimination'
	# '--private-to-local'
	# '--eliminate-dead-branches'
	# '--merge-blocks'
	# '--if-conversion'
	# '--if-conversion'
	# '--scalar-replacement=100'
	# '--inline-entry-points-exhaustive'
	# '--eliminate-dead-code-aggressive'
	# '--copy-propagate-arrays'
	# '--eliminate-local-single-block'
	# '--vector-dce'
	# '--ccp'
	# spirv-opt commit hash: a0370efd589be33d5d9a85cfde2f85841b3755af



	SHADER vertex variant_vertex_shader PASSTHROUGH

	# variant_fragment_shader is derived from the following GLSL:
	# #version 320 es
	#
	# #define _int_1 _GLF_uniform_int_values[0]
	# #define _int_0 _GLF_uniform_int_values[1]
	# #define _float_0_0 _GLF_uniform_float_values[0]
	# #define _float_300_0 _GLF_uniform_float_values[1]
	#
	# precision highp float;
	# precision highp int;
	#
	# // Contents of _GLF_uniform_int_values: [1, 0]
	# layout(set = 0, binding = 0) uniform buf0
	# {
	# int _GLF_uniform_int_values[2];
	# };
	#
	# // Contents of _GLF_uniform_float_values: [0.0, 300.0]
	# layout(set = 0, binding = 1) uniform buf1 {
	# float _GLF_uniform_float_values[2];
	# };
	#
	# layout(location = 0) out vec4 _GLF_color;
	#
	# void main()
	# {
	# // Always false.
	# if(gl_FragCoord.x < _float_0_0)
	# {
	# for(int i = _int_1; i != _int_1; )
	# {
	# return;
	# }
	# }
	#
	# // Iterated once.
	# do
	# {
	# // Useless line but still needed for the coverage.
	# gl_FragCoord.y < _float_0_0;
	#
	#
	# // Always false.
	# if(gl_FragCoord.y >= _float_300_0)
	# {
	# return;
	# }
	# }
	# while(gl_FragCoord.y < _float_0_0);
	#
	# // Selects (1, 0, 0, 1).
	# _GLF_color = vec4[4](vec4(_int_1, _int_0, _int_0, _int_1), vec4(_int_0), vec4(_int_0), vec4(_int_0))[_int_0];
	# }
	SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
	; SPIR-V
	; Version: 1.0
	; Generator: Khronos Glslang Reference Front End; 10
	; Bound: 119
	; Schema: 0
	OpCapability Shader
	%1 = OpExtInstImport "GLSL.std.450"
	OpMemoryModel Logical GLSL450
	OpEntryPoint Fragment %4 "main" %9 %73
	OpExecutionMode %4 OriginUpperLeft
	OpSource ESSL 320
	OpName %4 "main"
	OpName %9 "gl_FragCoord"
	OpName %17 "buf1"
	OpMemberName %17 0 "_GLF_uniform_float_values"
	OpName %19 ""
	OpName %30 "i"
	OpName %32 "buf0"
	OpMemberName %32 0 "_GLF_uniform_int_values"
	OpName %34 ""
	OpName %73 "_GLF_color"
	OpName %105 "indexable"
	OpDecorate %9 BuiltIn FragCoord
	OpDecorate %16 ArrayStride 16
	OpMemberDecorate %17 0 Offset 0
	OpDecorate %17 Block
	OpDecorate %19 DescriptorSet 0
	OpDecorate %19 Binding 1
	OpDecorate %31 ArrayStride 16
	OpMemberDecorate %32 0 Offset 0
	OpDecorate %32 Block
	OpDecorate %34 DescriptorSet 0
	OpDecorate %34 Binding 0
	OpDecorate %73 Location 0
	%2 = OpTypeVoid
	%3 = OpTypeFunction %2
	%6 = OpTypeFloat 32
	%7 = OpTypeVector %6 4
	%8 = OpTypePointer Input %7
	%9 = OpVariable %8 Input
	%10 = OpTypeInt 32 0
	%11 = OpConstant %10 0
	%12 = OpTypePointer Input %6
	%15 = OpConstant %10 2
	%16 = OpTypeArray %6 %15
	%17 = OpTypeStruct %16
	%18 = OpTypePointer Uniform %17
	%19 = OpVariable %18 Uniform
	%20 = OpTypeInt 32 1
	%21 = OpConstant %20 0
	%22 = OpTypePointer Uniform %6
	%25 = OpTypeBool
	%29 = OpTypePointer Function %20
	%31 = OpTypeArray %20 %15
	%32 = OpTypeStruct %31
	%33 = OpTypePointer Uniform %32
	%34 = OpVariable %33 Uniform
	%35 = OpTypePointer Uniform %20
	%52 = OpConstant %10 1
	%60 = OpConstant %20 1
	%72 = OpTypePointer Output %7
	%73 = OpVariable %72 Output
	%99 = OpConstant %10 4
	%100 = OpTypeArray %7 %99
	%104 = OpTypePointer Function %100
	%106 = OpTypePointer Function %7
	%111 = OpConstantFalse %25
	%112 = OpTypePointer Function %25
	%114 = OpConstantTrue %25
	%4 = OpFunction %2 None %3
	%5 = OpLabel
	%113 = OpVariable %112 Function %111
	%30 = OpVariable %29 Function
	%105 = OpVariable %104 Function
	OpSelectionMerge %109 None
	OpSwitch %11 %110
	%110 = OpLabel
	%13 = OpAccessChain %12 %9 %11
	%14 = OpLoad %6 %13
	%23 = OpAccessChain %22 %19 %21 %21
	%24 = OpLoad %6 %23
	%26 = OpFOrdLessThan %25 %14 %24
	OpSelectionMerge %28 None
	OpBranchConditional %26 %27 %28
	%27 = OpLabel
	%36 = OpAccessChain %35 %34 %21 %21
	%37 = OpLoad %20 %36
	OpStore %30 %37
	OpBranch %38
	%38 = OpLabel
	%43 = OpLoad %20 %30
	%46 = OpINotEqual %25 %43 %37
	OpLoopMerge %40 %41 None
	OpBranchConditional %46 %39 %40
	%39 = OpLabel
	OpStore %113 %114
	OpBranch %40
	%41 = OpLabel
	OpBranch %38
	%40 = OpLabel
	%116 = OpLoad %25 %113
	OpSelectionMerge %115 None
	OpBranchConditional %116 %109 %115
	%115 = OpLabel
	OpBranch %28
	%28 = OpLabel
	OpBranch %48
	%48 = OpLabel
	OpLoopMerge %50 %51 None
	OpBranch %49
	%49 = OpLabel
	%53 = OpAccessChain %12 %9 %52
	%54 = OpLoad %6 %53
	%57 = OpFOrdLessThan %25 %54 %24
	%61 = OpAccessChain %22 %19 %21 %60
	%62 = OpLoad %6 %61
	%63 = OpFOrdGreaterThanEqual %25 %54 %62
	OpSelectionMerge %65 None
	OpBranchConditional %63 %64 %65
	%64 = OpLabel
	OpStore %113 %114
	OpBranch %50
	%65 = OpLabel
	OpBranch %51
	%51 = OpLabel
	OpBranchConditional %57 %48 %50
	%50 = OpLabel
	%118 = OpLoad %25 %113
	OpSelectionMerge %117 None
	OpBranchConditional %118 %109 %117
	%117 = OpLabel
	%74 = OpAccessChain %35 %34 %21 %21
	%75 = OpLoad %20 %74
	%76 = OpConvertSToF %6 %75
	%77 = OpAccessChain %35 %34 %21 %60
	%78 = OpLoad %20 %77
	%79 = OpConvertSToF %6 %78
	%86 = OpCompositeConstruct %7 %76 %79 %79 %76
	%90 = OpCompositeConstruct %7 %79 %79 %79 %79
	%101 = OpCompositeConstruct %100 %86 %90 %90 %90
	OpStore %105 %101
	%107 = OpAccessChain %106 %105 %78
	%108 = OpLoad %7 %107
	OpStore %73 %108
	OpStore %113 %114
	OpBranch %109
	%109 = OpLabel
	OpReturn
	OpFunctionEnd
	END

	# uniforms for variant

	# _GLF_uniform_float_values
	BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
	0.0 300.0
	END
	# _GLF_uniform_int_values
	BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
	1 0
	END

	BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM

	PIPELINE graphics variant_pipeline
	ATTACH variant_vertex_shader
	ATTACH variant_fragment_shader
	FRAMEBUFFER_SIZE 256 256
	BIND BUFFER variant_framebuffer AS color LOCATION 0
	BIND BUFFER variant__GLF_uniform_float_values AS uniform DESCRIPTOR_SET 0 BINDING 1
	BIND BUFFER variant__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 0
	END
	CLEAR_COLOR variant_pipeline 0 0 0 255

	CLEAR variant_pipeline
	RUN variant_pipeline DRAW_RECT POS 0 0 SIZE 256 256

	EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255