--- /dev/null
+#!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 bug found by GraphicsFuzz.
+
+# Short description: A nested switch-loop-switch
+
+# 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
+# precision highp float;
+#
+# layout(set = 0, binding = 0) uniform buf0
+# {
+# vec2 injectionSwitch;
+# };
+#
+# layout(location = 0) out vec4 _GLF_color;
+#
+# void main()
+# {
+# int i = int(injectionSwitch.x); // 0
+#
+# switch (i) // 0
+# {
+# case 0:
+# do
+# {
+# ++i;
+# switch (i) // 1
+# {
+# case 1:
+# continue; // Exit loop.
+# case 2:
+# i += 5;
+# break;
+# default:
+# i += 7;
+# }
+# } while (i > 200); // Always false.
+#
+# // Always false.
+# if (i > 100)
+# {
+# i -= 2;
+# break;
+# }
+#
+# default:
+# // i == 1.
+# i -= 3;
+# // i == -2.
+# }
+#
+# // Always true.
+# if (i == -2)
+# _GLF_color = vec4(1.0, 0.0, 0.0, 1.0); // Red.
+# else
+# _GLF_color = vec4(0.0, 0.0, 0.0, 1.0);
+# }
+SHADER fragment variant_fragment_shader SPIRV-ASM
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 8
+; Bound: 76
+; Schema: 0
+ OpCapability Shader
+ %1 = OpExtInstImport "GLSL.std.450"
+ OpMemoryModel Logical GLSL450
+ OpEntryPoint Fragment %4 "main" %70
+ OpExecutionMode %4 OriginUpperLeft
+ OpSource ESSL 310
+ OpName %4 "main"
+ OpName %8 "i"
+ OpName %11 "buf0"
+ OpMemberName %11 0 "injectionSwitch"
+ OpName %13 ""
+ OpName %70 "_GLF_color"
+ OpDecorate %8 RelaxedPrecision
+ OpMemberDecorate %11 0 Offset 0
+ OpDecorate %11 Block
+ OpDecorate %13 DescriptorSet 0
+ OpDecorate %13 Binding 0
+ OpDecorate %20 RelaxedPrecision
+ OpDecorate %21 RelaxedPrecision
+ OpDecorate %29 RelaxedPrecision
+ OpDecorate %31 RelaxedPrecision
+ OpDecorate %32 RelaxedPrecision
+ OpDecorate %39 RelaxedPrecision
+ OpDecorate %40 RelaxedPrecision
+ OpDecorate %43 RelaxedPrecision
+ OpDecorate %44 RelaxedPrecision
+ OpDecorate %46 RelaxedPrecision
+ OpDecorate %50 RelaxedPrecision
+ OpDecorate %56 RelaxedPrecision
+ OpDecorate %57 RelaxedPrecision
+ OpDecorate %60 RelaxedPrecision
+ OpDecorate %61 RelaxedPrecision
+ OpDecorate %63 RelaxedPrecision
+ OpDecorate %70 Location 0
+ %2 = OpTypeVoid
+ %3 = OpTypeFunction %2
+ %6 = OpTypeInt 32 1
+ %7 = OpTypePointer Function %6
+ %9 = OpTypeFloat 32
+ %10 = OpTypeVector %9 2
+ %11 = OpTypeStruct %10
+ %12 = OpTypePointer Uniform %11
+ %13 = OpVariable %12 Uniform
+ %14 = OpConstant %6 0
+ %15 = OpTypeInt 32 0
+ %16 = OpConstant %15 0
+ %17 = OpTypePointer Uniform %9
+ %30 = OpConstant %6 1
+ %38 = OpConstant %6 5
+ %42 = OpConstant %6 7
+ %47 = OpConstant %6 200
+ %48 = OpTypeBool
+ %51 = OpConstant %6 100
+ %55 = OpConstant %6 2
+ %59 = OpConstant %6 3
+ %64 = OpConstant %6 -2
+ %68 = OpTypeVector %9 4
+ %69 = OpTypePointer Output %68
+ %70 = OpVariable %69 Output
+ %71 = OpConstant %9 1
+ %72 = OpConstant %9 0
+ %73 = OpConstantComposite %68 %71 %72 %72 %71
+ %75 = OpConstantComposite %68 %72 %72 %72 %71
+ %4 = OpFunction %2 None %3
+ %5 = OpLabel
+ %8 = OpVariable %7 Function
+ %18 = OpAccessChain %17 %13 %14 %16
+ %19 = OpLoad %9 %18
+ %20 = OpConvertFToS %6 %19
+ OpStore %8 %20
+ %21 = OpLoad %6 %8
+ OpSelectionMerge %24 None
+ OpSwitch %21 %23 0 %22
+ %23 = OpLabel
+ %60 = OpLoad %6 %8
+ %61 = OpISub %6 %60 %59
+ OpStore %8 %61
+ OpBranch %24
+ %22 = OpLabel
+ OpBranch %25
+ %25 = OpLabel
+ OpLoopMerge %27 %28 None
+ OpBranch %26
+ %26 = OpLabel
+ %29 = OpLoad %6 %8
+ %31 = OpIAdd %6 %29 %30
+ OpStore %8 %31
+ %32 = OpLoad %6 %8
+ OpSelectionMerge %36 None
+ OpSwitch %32 %35 1 %33 2 %34
+ %35 = OpLabel
+ %43 = OpLoad %6 %8
+ %44 = OpIAdd %6 %43 %42
+ OpStore %8 %44
+ OpBranch %36
+ %33 = OpLabel
+ OpBranch %28
+ %34 = OpLabel
+ %39 = OpLoad %6 %8
+ %40 = OpIAdd %6 %39 %38
+ OpStore %8 %40
+ OpBranch %36
+ %36 = OpLabel
+ OpBranch %28
+ %28 = OpLabel
+ %46 = OpLoad %6 %8
+ %49 = OpSGreaterThan %48 %46 %47
+ OpBranchConditional %49 %25 %27
+ %27 = OpLabel
+ %50 = OpLoad %6 %8
+ %52 = OpSGreaterThan %48 %50 %51
+ OpSelectionMerge %54 None
+ OpBranchConditional %52 %53 %54
+ %53 = OpLabel
+ %56 = OpLoad %6 %8
+ %57 = OpISub %6 %56 %55
+ OpStore %8 %57
+ OpBranch %24
+ %54 = OpLabel
+ OpBranch %23
+ %24 = OpLabel
+ %63 = OpLoad %6 %8
+ %65 = OpIEqual %48 %63 %64
+ OpSelectionMerge %67 None
+ OpBranchConditional %65 %66 %74
+ %66 = OpLabel
+ OpStore %70 %73
+ OpBranch %67
+ %74 = OpLabel
+ OpStore %70 %75
+ OpBranch %67
+ %67 = OpLabel
+ OpReturn
+ OpFunctionEnd
+END
+
+# uniforms for variant
+
+# injectionSwitch
+BUFFER variant_injectionSwitch DATA_TYPE vec2<float> DATA
+ 0.0 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_injectionSwitch 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
projects / platform / upstream / VK-GL-CTS.git / commitdiff