--- /dev/null
+#!amber
+
+# Copyright 2019 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: Shader with loop controlled by struct
+
+# The test passes because 'sums[0]' ends up being 0, so that the colour that is written is guaranteed to be red
+
+# Optimized using spirv-opt with the following arguments:
+# '--private-to-local'
+# '--eliminate-dead-branches'
+# '--merge-return'
+# '--reduce-load-size'
+# '--eliminate-dead-code-aggressive'
+# '--ccp'
+# '--eliminate-dead-code-aggressive'
+# '--if-conversion'
+# '--convert-local-access-chains'
+# '--eliminate-dead-branches'
+# '--merge-return'
+# '--eliminate-local-single-store'
+# '--ccp'
+# '--eliminate-dead-branches'
+# '--merge-return'
+# '--eliminate-local-single-store'
+# '--eliminate-dead-inserts'
+# '--eliminate-local-multi-store'
+# '--copy-propagate-arrays'
+# '--combine-access-chains'
+# '--redundancy-elimination'
+# '--if-conversion'
+# '--eliminate-local-multi-store'
+# '--eliminate-dead-code-aggressive'
+# spirv-opt commit hash: f1e5cd73f658abcc23ee96d78f2dc27c4b7028c1
+
+
+
+SHADER vertex variant_vertex_shader PASSTHROUGH
+
+# variant_fragment_shader is derived from the following GLSL:
+# #version 310 es
+# precision highp float;
+#
+# struct S {
+# int f0;
+# bvec3 f1;
+# } ;
+#
+# layout(set = 0, binding = 0) uniform buf0 {
+# vec2 injectionSwitch;
+# };
+# layout(location = 0) out vec4 _GLF_color;
+#
+# void main()
+# {
+# float sums[9];
+# for(
+# S ll = S(0, bvec3(true));
+# ll.f0 != int((injectionSwitch.y));
+# ll.f0 ++
+# )
+# {
+# sums[0] = 0.0;
+# }
+# int overall_region = 0;
+# _GLF_color = vec4(1.0, vec2(sums[overall_region]), 1.0);
+# }
+SHADER fragment variant_fragment_shader SPIRV-ASM
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 8
+; Bound: 63
+; Schema: 0
+ OpCapability Shader
+ %1 = OpExtInstImport "GLSL.std.450"
+ OpMemoryModel Logical GLSL450
+ OpEntryPoint Fragment %4 "main" %50
+ OpExecutionMode %4 OriginUpperLeft
+ OpSource ESSL 310
+ OpName %4 "main"
+ OpName %9 "S"
+ OpMemberName %9 0 "f0"
+ OpMemberName %9 1 "f1"
+ OpName %11 "ll"
+ OpName %26 "buf0"
+ OpMemberName %26 0 "injectionSwitch"
+ OpName %28 ""
+ OpName %39 "sums"
+ OpName %50 "_GLF_color"
+ OpMemberDecorate %9 0 RelaxedPrecision
+ OpDecorate %23 RelaxedPrecision
+ OpMemberDecorate %26 0 Offset 0
+ OpDecorate %26 Block
+ OpDecorate %28 DescriptorSet 0
+ OpDecorate %28 Binding 0
+ OpDecorate %44 RelaxedPrecision
+ OpDecorate %46 RelaxedPrecision
+ OpDecorate %50 Location 0
+ OpDecorate %59 RelaxedPrecision
+ OpDecorate %60 RelaxedPrecision
+ %2 = OpTypeVoid
+ %3 = OpTypeFunction %2
+ %6 = OpTypeInt 32 1
+ %7 = OpTypeBool
+ %8 = OpTypeVector %7 3
+ %9 = OpTypeStruct %6 %8
+ %10 = OpTypePointer Function %9
+ %12 = OpConstant %6 0
+ %13 = OpConstantTrue %7
+ %14 = OpConstantComposite %8 %13 %13 %13
+ %15 = OpConstantComposite %9 %12 %14
+ %24 = OpTypeFloat 32
+ %25 = OpTypeVector %24 2
+ %26 = OpTypeStruct %25
+ %27 = OpTypePointer Uniform %26
+ %28 = OpVariable %27 Uniform
+ %29 = OpTypeInt 32 0
+ %30 = OpConstant %29 1
+ %31 = OpTypePointer Uniform %24
+ %36 = OpConstant %29 9
+ %37 = OpTypeArray %24 %36
+ %38 = OpTypePointer Function %37
+ %40 = OpConstant %24 0
+ %41 = OpTypePointer Function %24
+ %45 = OpConstant %6 1
+ %48 = OpTypeVector %24 4
+ %49 = OpTypePointer Output %48
+ %50 = OpVariable %49 Output
+ %51 = OpConstant %24 1
+ %4 = OpFunction %2 None %3
+ %5 = OpLabel
+ %11 = OpVariable %10 Function
+ %39 = OpVariable %38 Function
+ OpStore %11 %15
+ OpBranch %16
+ %16 = OpLabel
+ OpLoopMerge %18 %19 None
+ OpBranch %20
+ %20 = OpLabel
+ %59 = OpLoad %9 %11
+ %23 = OpCompositeExtract %6 %59 0
+ %32 = OpAccessChain %31 %28 %12 %30
+ %33 = OpLoad %24 %32
+ %34 = OpConvertFToS %6 %33
+ %35 = OpINotEqual %7 %23 %34
+ OpBranchConditional %35 %17 %18
+ %17 = OpLabel
+ %42 = OpAccessChain %41 %39 %12
+ OpStore %42 %40
+ OpBranch %19
+ %19 = OpLabel
+ %60 = OpLoad %9 %11
+ %44 = OpCompositeExtract %6 %60 0
+ %46 = OpIAdd %6 %44 %45
+ %61 = OpLoad %9 %11
+ %62 = OpCompositeInsert %9 %46 %61 0
+ OpStore %11 %62
+ OpBranch %16
+ %18 = OpLabel
+ %53 = OpAccessChain %41 %39 %12
+ %54 = OpLoad %24 %53
+ %55 = OpCompositeConstruct %25 %54 %54
+ %56 = OpCompositeExtract %24 %55 0
+ %57 = OpCompositeExtract %24 %55 1
+ %58 = OpCompositeConstruct %48 %51 %56 %57 %51
+ OpStore %50 %58
+ 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