138 lines
4.4 KiB
Plaintext
138 lines
4.4 KiB
Plaintext
#!amber
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# Copyright 2022 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 LLVM code paths
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# The test passes because the shader always writes red.
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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_0_0 _GLF_uniform_float_values[0]
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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: 0.0
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# layout(set = 0, binding = 0) uniform buf0
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# {
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# float _GLF_uniform_float_values[1];
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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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# float f;
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#
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# // f is uninitialized, but 1.0 is selected from the first vector.
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# _GLF_color = mix(vec4(1.0), vec4(f, 0.0, 0.0, 1.0), bvec4(gl_FragCoord.y < _float_0_0, true, true, true));
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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: 39
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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" %9 %18
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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 "_GLF_color"
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OpName %13 "f"
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OpName %18 "gl_FragCoord"
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OpName %25 "buf0"
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OpMemberName %25 0 "_GLF_uniform_float_values"
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OpName %27 ""
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OpDecorate %9 Location 0
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OpDecorate %18 BuiltIn FragCoord
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OpDecorate %24 ArrayStride 16
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OpMemberDecorate %25 0 Offset 0
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OpDecorate %25 Block
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OpDecorate %27 DescriptorSet 0
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OpDecorate %27 Binding 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 4
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%8 = OpTypePointer Output %7
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%9 = OpVariable %8 Output
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%10 = OpConstant %6 1
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%11 = OpConstantComposite %7 %10 %10 %10 %10
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%12 = OpTypePointer Function %6
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%15 = OpConstant %6 0
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%17 = OpTypePointer Input %7
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%18 = OpVariable %17 Input
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%19 = OpTypeInt 32 0
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%20 = OpConstant %19 1
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%21 = OpTypePointer Input %6
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%24 = OpTypeArray %6 %20
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%25 = OpTypeStruct %24
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%26 = OpTypePointer Uniform %25
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%27 = OpVariable %26 Uniform
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%28 = OpTypeInt 32 1
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%29 = OpConstant %28 0
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%30 = OpTypePointer Uniform %6
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%33 = OpTypeBool
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%35 = OpConstantTrue %33
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%36 = OpTypeVector %33 4
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%13 = OpVariable %12 Function
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%14 = OpLoad %6 %13
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%16 = OpCompositeConstruct %7 %14 %15 %15 %10
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%22 = OpAccessChain %21 %18 %20
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%23 = OpLoad %6 %22
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%31 = OpAccessChain %30 %27 %29 %29
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%32 = OpLoad %6 %31
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%34 = OpFOrdLessThan %33 %23 %32
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%37 = OpCompositeConstruct %36 %34 %35 %35 %35
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%38 = OpSelect %7 %37 %16 %11
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OpStore %9 %38
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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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0.0
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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 32 32
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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 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 32 32
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EXPECT variant_framebuffer IDX 0 0 SIZE 32 32 EQ_RGBA 255 0 0 255
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