blob: c752ee8170f6fd2a64358167b6f9f76619fda709 [file] [log] [blame]
#!amber
# Copyright 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.
# A test for a coverage-gap found by the GraphicsFuzz project.
# Short description: A fragment shader that covers a specific floating point code path
# The test passes because the shader always writes red.
SHADER vertex variant_vertex_shader PASSTHROUGH
# variant_fragment_shader is derived from the following GLSL:
# #version 310 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]
#
# precision highp float;
#
# // Contents of _GLF_uniform_float_values: 0.0
# layout(set = 0, binding = 0) uniform buf0
# {
# float _GLF_uniform_float_values[1];
# };
#
# // Contents of _GLF_uniform_int_values: [1, 0]
# layout(set = 0, binding = 1) uniform buf1
# {
# int _GLF_uniform_int_values[3];
# };
# layout(location = 0) out vec4 _GLF_color;
#
# void main()
# {
# // This results in an undefined value, but not in undefined behavior.
# float undefined = mod(5.0, 0.0);
# if (_int_1 == (_int_1 + _int_0) || undefined > _float_0_0)
# {
# _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1);
# }
# else
# {
# _GLF_color = vec4(_int_0);
# }
# }
SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 8
; Bound: 68
; Schema: 0
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main" %49
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
OpName %4 "main"
OpName %8 "undefined"
OpName %17 "buf1"
OpMemberName %17 0 "_GLF_uniform_int_values"
OpName %19 ""
OpName %37 "buf0"
OpMemberName %37 0 "_GLF_uniform_float_values"
OpName %39 ""
OpName %49 "_GLF_color"
OpDecorate %16 ArrayStride 16
OpMemberDecorate %17 0 RelaxedPrecision
OpMemberDecorate %17 0 Offset 0
OpDecorate %17 Block
OpDecorate %19 DescriptorSet 0
OpDecorate %19 Binding 1
OpDecorate %23 RelaxedPrecision
OpDecorate %25 RelaxedPrecision
OpDecorate %28 RelaxedPrecision
OpDecorate %29 RelaxedPrecision
OpDecorate %36 ArrayStride 16
OpMemberDecorate %37 0 Offset 0
OpDecorate %37 Block
OpDecorate %39 DescriptorSet 0
OpDecorate %39 Binding 0
OpDecorate %49 Location 0
OpDecorate %51 RelaxedPrecision
OpDecorate %54 RelaxedPrecision
OpDecorate %57 RelaxedPrecision
OpDecorate %60 RelaxedPrecision
OpDecorate %65 RelaxedPrecision
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeFloat 32
%7 = OpTypePointer Function %6
%9 = OpConstant %6 5
%10 = OpConstant %6 0
%12 = OpTypeBool
%13 = OpTypeInt 32 1
%14 = OpTypeInt 32 0
%15 = OpConstant %14 3
%16 = OpTypeArray %13 %15
%17 = OpTypeStruct %16
%18 = OpTypePointer Uniform %17
%19 = OpVariable %18 Uniform
%20 = OpConstant %13 0
%21 = OpTypePointer Uniform %13
%26 = OpConstant %13 1
%35 = OpConstant %14 1
%36 = OpTypeArray %6 %35
%37 = OpTypeStruct %36
%38 = OpTypePointer Uniform %37
%39 = OpVariable %38 Uniform
%40 = OpTypePointer Uniform %6
%47 = OpTypeVector %6 4
%48 = OpTypePointer Output %47
%49 = OpVariable %48 Output
%4 = OpFunction %2 None %3
%5 = OpLabel
%8 = OpVariable %7 Function
%11 = OpFMod %6 %9 %10
OpStore %8 %11
%22 = OpAccessChain %21 %19 %20 %20
%23 = OpLoad %13 %22
%24 = OpAccessChain %21 %19 %20 %20
%25 = OpLoad %13 %24
%27 = OpAccessChain %21 %19 %20 %26
%28 = OpLoad %13 %27
%29 = OpIAdd %13 %25 %28
%30 = OpIEqual %12 %23 %29
%31 = OpLogicalNot %12 %30
OpSelectionMerge %33 None
OpBranchConditional %31 %32 %33
%32 = OpLabel
%34 = OpLoad %6 %8
%41 = OpAccessChain %40 %39 %20 %20
%42 = OpLoad %6 %41
%43 = OpFOrdGreaterThan %12 %34 %42
OpBranch %33
%33 = OpLabel
%44 = OpPhi %12 %30 %5 %43 %32
OpSelectionMerge %46 None
OpBranchConditional %44 %45 %63
%45 = OpLabel
%50 = OpAccessChain %21 %19 %20 %20
%51 = OpLoad %13 %50
%52 = OpConvertSToF %6 %51
%53 = OpAccessChain %21 %19 %20 %26
%54 = OpLoad %13 %53
%55 = OpConvertSToF %6 %54
%56 = OpAccessChain %21 %19 %20 %26
%57 = OpLoad %13 %56
%58 = OpConvertSToF %6 %57
%59 = OpAccessChain %21 %19 %20 %20
%60 = OpLoad %13 %59
%61 = OpConvertSToF %6 %60
%62 = OpCompositeConstruct %47 %52 %55 %58 %61
OpStore %49 %62
OpBranch %46
%63 = OpLabel
%64 = OpAccessChain %21 %19 %20 %26
%65 = OpLoad %13 %64
%66 = OpConvertSToF %6 %65
%67 = OpCompositeConstruct %47 %66 %66 %66 %66
OpStore %49 %67
OpBranch %46
%46 = OpLabel
OpReturn
OpFunctionEnd
END
# uniforms for variant
# _GLF_uniform_int_values
BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
1 0
END
# _GLF_uniform_float_values
BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
0.0
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_int_values AS uniform DESCRIPTOR_SET 0 BINDING 1
BIND BUFFER variant__GLF_uniform_float_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