blob: 60c010c6940fca2aa11a0b5aa3fe7e8a32535efa [file] [log] [blame]
#!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:
# '-O'
# spirv-opt commit hash: a0370efd589be33d5d9a85cfde2f85841b3755af
SHADER vertex texgen_vert PASSTHROUGH
SHADER fragment texgen_frag GLSL
#version 430
precision highp float;
layout(location = 0) out vec4 _GLF_color;
void main()
{
_GLF_color = vec4(
floor(gl_FragCoord.x) * (1.0 / 255.0),
(int(gl_FragCoord.x) ^ int(gl_FragCoord.y)) * (1.0 / 255.0),
floor(gl_FragCoord.y) * (1.0 / 255.0),
1.0);
}
END
BUFFER default_texture FORMAT B8G8R8A8_UNORM
PIPELINE graphics texgen_pipeline
ATTACH texgen_vert
ATTACH texgen_frag
FRAMEBUFFER_SIZE 256 256
BIND BUFFER default_texture AS color LOCATION 0
END
CLEAR_COLOR texgen_pipeline 0 0 0 255
CLEAR texgen_pipeline
RUN texgen_pipeline DRAW_RECT POS 0 0 SIZE 256 256
SHADER vertex variant_vertex_shader PASSTHROUGH
# variant_fragment_shader is derived from the following GLSL:
# #version 320 es
# #define _int_10 _GLF_uniform_int_values[0]
# #define _int_0 _GLF_uniform_int_values[1]
# #define _float_0_0 _GLF_uniform_float_values[0]
# #define _float_1_0 _GLF_uniform_float_values[1]
#
# precision highp float;
# precision highp int;
#
# // Contents of _GLF_uniform_int_values: [10, 0]
# layout(set = 0, binding = 0) uniform buf0
# {
# int _GLF_uniform_int_values[2];
# };
#
# // Contents of _GLF_uniform_float_values: [0.0, 1.0]
# layout(set = 0, binding = 1) uniform buf1
# {
# float _GLF_uniform_float_values[2];
# };
#
# layout(set = 0, binding = 2) uniform sampler2D tex;
#
# layout(location = 0) out vec4 _GLF_color;
#
# void main()
# {
# // Always false.
# if(gl_FragCoord.y < _float_0_0)
# {
# return;
# }
#
# // Always false.
# if(gl_FragCoord.x < _float_0_0)
# {
# if(gl_FragCoord.x < _float_0_0)
# {
# return;
# }
#
# for(int i = _int_0; i < _int_10; i++)
# {
# if(gl_FragCoord.x < _float_1_0)
# {
# return;
# }
# }
# }
#
# _GLF_color = vec4(_float_1_0, texture(tex, vec2(_float_1_0)).yzw);
# }
SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 10
; Bound: 105
; Schema: 0
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main" %9 %76
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 %49 "buf0"
OpMemberName %49 0 "_GLF_uniform_int_values"
OpName %51 ""
OpName %76 "_GLF_color"
OpName %82 "tex"
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 %48 ArrayStride 16
OpMemberDecorate %49 0 Offset 0
OpDecorate %49 Block
OpDecorate %51 DescriptorSet 0
OpDecorate %51 Binding 0
OpDecorate %76 Location 0
OpDecorate %82 RelaxedPrecision
OpDecorate %82 DescriptorSet 0
OpDecorate %82 Binding 2
OpDecorate %83 RelaxedPrecision
OpDecorate %87 RelaxedPrecision
OpDecorate %88 RelaxedPrecision
%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 1
%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
%30 = OpConstant %10 0
%48 = OpTypeArray %20 %15
%49 = OpTypeStruct %48
%50 = OpTypePointer Uniform %49
%51 = OpVariable %50 Uniform
%52 = OpConstant %20 1
%53 = OpTypePointer Uniform %20
%75 = OpTypePointer Output %7
%76 = OpVariable %75 Output
%79 = OpTypeImage %6 2D 0 0 0 1 Unknown
%80 = OpTypeSampledImage %79
%81 = OpTypePointer UniformConstant %80
%82 = OpVariable %81 UniformConstant
%86 = OpTypeVector %6 2
%97 = OpConstantFalse %25
%100 = OpConstantTrue %25
%4 = OpFunction %2 None %3
%5 = OpLabel
OpSelectionMerge %95 None
OpSwitch %30 %96
%96 = 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
OpBranch %95
%28 = OpLabel
%31 = OpAccessChain %12 %9 %30
%32 = OpLoad %6 %31
%35 = OpFOrdLessThan %25 %32 %24
OpSelectionMerge %37 None
OpBranchConditional %35 %36 %37
%36 = OpLabel
OpSelectionMerge %44 None
OpBranchConditional %35 %43 %44
%43 = OpLabel
OpBranch %95
%44 = OpLabel
%54 = OpAccessChain %53 %51 %21 %52
%55 = OpLoad %20 %54
OpBranch %56
%56 = OpLabel
%103 = OpPhi %20 %55 %44 %74 %59
%62 = OpAccessChain %53 %51 %21 %21
%63 = OpLoad %20 %62
%64 = OpSLessThan %25 %103 %63
OpLoopMerge %58 %59 None
OpBranchConditional %64 %57 %58
%57 = OpLabel
%67 = OpAccessChain %22 %19 %21 %52
%68 = OpLoad %6 %67
%69 = OpFOrdLessThan %25 %32 %68
OpSelectionMerge %71 None
OpBranchConditional %69 %70 %71
%70 = OpLabel
OpBranch %58
%71 = OpLabel
OpBranch %59
%59 = OpLabel
%74 = OpIAdd %20 %103 %52
OpBranch %56
%58 = OpLabel
%104 = OpPhi %25 %97 %56 %100 %70
OpSelectionMerge %101 None
OpBranchConditional %104 %95 %101
%101 = OpLabel
OpBranch %37
%37 = OpLabel
%77 = OpAccessChain %22 %19 %21 %52
%78 = OpLoad %6 %77
%83 = OpLoad %80 %82
%87 = OpCompositeConstruct %86 %78 %78
%88 = OpImageSampleImplicitLod %7 %83 %87
%91 = OpCompositeExtract %6 %88 1
%92 = OpCompositeExtract %6 %88 2
%93 = OpCompositeExtract %6 %88 3
%94 = OpCompositeConstruct %7 %78 %91 %92 %93
OpStore %76 %94
OpBranch %95
%95 = OpLabel
OpReturn
OpFunctionEnd
END
# uniforms for variant
# tex
SAMPLER variant_tex
# _GLF_uniform_float_values
BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
0.0 1.0
END
# _GLF_uniform_int_values
BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
10 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 default_texture AS combined_image_sampler SAMPLER variant_tex DESCRIPTOR_SET 0 BINDING 2
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