| # Copyright 2018 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. |
| # A fragment shader that uses struct initializers. |
| # Derived from the following GLSL fragment shader. |
| # We check that all pixels are red. The test passes because main does |
| # some computation and then writes red to _GLF_color. |
| |
| # #version 310 es |
| # |
| # precision highp float; |
| # precision highp int; |
| # |
| # layout(location = 0) out vec4 _GLF_color; |
| # |
| # struct S { |
| # bool b; |
| # }; |
| # |
| # S foo() |
| # { |
| # if(true) |
| # { |
| # return S(true); |
| # } |
| # return S(true); |
| # } |
| # void main(void) |
| # { |
| # foo(); |
| # _GLF_color = vec4(1.0, 0.0, 0.0, 1.0); |
| # } |
| |
| [vertex shader passthrough] |
| |
| [fragment shader spirv] |
| ; SPIR-V |
| ; Version: 1.0 |
| ; Generator: Khronos Glslang Reference Front End; 7 |
| ; Bound: 26 |
| ; Schema: 0 |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %main "main" %_GLF_color |
| OpExecutionMode %main OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %main "main" |
| OpName %S "S" |
| OpMemberName %S 0 "b" |
| OpName %foo_ "foo(" |
| OpName %_GLF_color "_GLF_color" |
| OpDecorate %_GLF_color Location 0 |
| %void = OpTypeVoid |
| %3 = OpTypeFunction %void |
| %bool = OpTypeBool |
| %S = OpTypeStruct %bool |
| %8 = OpTypeFunction %S |
| %true = OpConstantTrue %bool |
| %14 = OpConstantComposite %S %true |
| %float = OpTypeFloat 32 |
| %v4float = OpTypeVector %float 4 |
| %_ptr_Output_v4float = OpTypePointer Output %v4float |
| %_GLF_color = OpVariable %_ptr_Output_v4float Output |
| %float_1 = OpConstant %float 1 |
| %float_0 = OpConstant %float 0 |
| %25 = OpConstantComposite %v4float %float_1 %float_0 %float_0 %float_1 |
| %main = OpFunction %void None %3 |
| %5 = OpLabel |
| %18 = OpFunctionCall %S %foo_ |
| OpStore %_GLF_color %25 |
| OpReturn |
| OpFunctionEnd |
| %foo_ = OpFunction %S None %8 |
| %10 = OpLabel |
| OpSelectionMerge %13 None |
| OpBranchConditional %true %12 %13 |
| %12 = OpLabel |
| OpReturnValue %14 |
| %13 = OpLabel |
| OpReturnValue %14 |
| OpFunctionEnd |
| |
| [test] |
| draw rect -1 -1 2 2 |
| probe all rgba 1 0 0 1 |