131 lines
3.8 KiB
Plaintext
131 lines
3.8 KiB
Plaintext
#!amber
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# Copyright 2019 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 bug found by GraphicsFuzz.
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# Short description: Fragment shader with 1-iteration loop and smoothstep
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# The test passes because the loop exits immediately and red is written
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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 310 es
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# precision highp float;
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#
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# precision highp int;
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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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# while(true)
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# {
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# if(true)
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# {
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# break;
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# }
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# int GLF_live9r;
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# vec2(1.0)[clamp(GLF_live9r, 0, 1)];
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# }
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# float g = 3.0;
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# _GLF_color = vec4(smoothstep(0.0, 1.0, g), 0.0, 0.0, 1.0);
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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; 7
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; Bound: 37
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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" %32
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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OpName %22 "GLF_live9r"
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OpName %28 "g"
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OpName %32 "_GLF_color"
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OpDecorate %32 Location 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%11 = OpTypeBool
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%12 = OpConstantTrue %11
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%16 = OpTypeFloat 32
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%17 = OpTypeVector %16 2
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%18 = OpConstant %16 1
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%19 = OpConstantComposite %17 %18 %18
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%20 = OpTypeInt 32 1
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%21 = OpTypePointer Function %20
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%24 = OpConstant %20 0
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%25 = OpConstant %20 1
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%27 = OpTypePointer Function %16
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%29 = OpConstant %16 3
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%30 = OpTypeVector %16 4
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%31 = OpTypePointer Output %30
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%32 = OpVariable %31 Output
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%33 = OpConstant %16 0
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%22 = OpVariable %21 Function
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%28 = OpVariable %27 Function
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OpBranch %6
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%6 = OpLabel
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OpLoopMerge %8 %9 None
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OpBranch %10
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%10 = OpLabel
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OpBranchConditional %12 %7 %8
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%7 = OpLabel
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OpSelectionMerge %14 None
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OpBranchConditional %12 %13 %14
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%13 = OpLabel
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OpBranch %8
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%14 = OpLabel
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%23 = OpLoad %20 %22
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%26 = OpExtInst %20 %1 SClamp %23 %24 %25
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OpBranch %9
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%9 = OpLabel
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OpBranch %6
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%8 = OpLabel
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OpStore %28 %29
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%34 = OpLoad %16 %28
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%35 = OpExtInst %16 %1 SmoothStep %33 %18 %34
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%36 = OpCompositeConstruct %30 %35 %33 %33 %18
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OpStore %32 %36
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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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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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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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