180 lines
5.6 KiB
Plaintext
180 lines
5.6 KiB
Plaintext
#!amber
|
|
|
|
# Copyright 2022 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 coverage-gap found by the GraphicsFuzz project.
|
|
|
|
# Short description: A fragment shader that covers specific LLVM code paths
|
|
|
|
# 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 320 es
|
|
# #define _int_1 _GLF_uniform_int_values[0]
|
|
# #define _int_0 _GLF_uniform_int_values[1]
|
|
#
|
|
# precision highp float;
|
|
# precision highp int;
|
|
#
|
|
# // Contents of _GLF_uniform_int_values: [1, 0]
|
|
# layout(set = 0, binding = 0) uniform buf0
|
|
# {
|
|
# int _GLF_uniform_int_values[2];
|
|
# };
|
|
#
|
|
# layout(location = 0) out vec4 _GLF_color;
|
|
#
|
|
# void main()
|
|
# {
|
|
# // Depending on the pixel location a has either all or none bits enabled.
|
|
# int a = (int(gl_FragCoord.x) & 1) != 0 ? 0 : ~0;
|
|
#
|
|
# // When a = 0:
|
|
# // ~(a | 1) = ~1 != 1
|
|
# //
|
|
# // When a = ~0:
|
|
# // ~(a | 1) = ~(~0)) = 0 != 1
|
|
# if(~(a | _int_1) != _int_1)
|
|
# {
|
|
# _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1);
|
|
# }
|
|
# else
|
|
# {
|
|
# _GLF_color = vec4(_int_0);
|
|
# }
|
|
# }
|
|
SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
|
|
; SPIR-V
|
|
; Version: 1.0
|
|
; Generator: Khronos Glslang Reference Front End; 10
|
|
; Bound: 62
|
|
; Schema: 0
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main" %12 %43
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 320
|
|
OpName %4 "main"
|
|
OpName %8 "a"
|
|
OpName %12 "gl_FragCoord"
|
|
OpName %29 "buf0"
|
|
OpMemberName %29 0 "_GLF_uniform_int_values"
|
|
OpName %31 ""
|
|
OpName %43 "_GLF_color"
|
|
OpDecorate %12 BuiltIn FragCoord
|
|
OpDecorate %28 ArrayStride 16
|
|
OpMemberDecorate %29 0 Offset 0
|
|
OpDecorate %29 Block
|
|
OpDecorate %31 DescriptorSet 0
|
|
OpDecorate %31 Binding 0
|
|
OpDecorate %43 Location 0
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpTypeFloat 32
|
|
%10 = OpTypeVector %9 4
|
|
%11 = OpTypePointer Input %10
|
|
%12 = OpVariable %11 Input
|
|
%13 = OpTypeInt 32 0
|
|
%14 = OpConstant %13 0
|
|
%15 = OpTypePointer Input %9
|
|
%19 = OpConstant %6 1
|
|
%21 = OpConstant %6 0
|
|
%22 = OpTypeBool
|
|
%24 = OpConstant %6 -1
|
|
%27 = OpConstant %13 2
|
|
%28 = OpTypeArray %6 %27
|
|
%29 = OpTypeStruct %28
|
|
%30 = OpTypePointer Uniform %29
|
|
%31 = OpVariable %30 Uniform
|
|
%32 = OpTypePointer Uniform %6
|
|
%42 = OpTypePointer Output %10
|
|
%43 = OpVariable %42 Output
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%16 = OpAccessChain %15 %12 %14
|
|
%17 = OpLoad %9 %16
|
|
%18 = OpConvertFToS %6 %17
|
|
%20 = OpBitwiseAnd %6 %18 %19
|
|
%23 = OpINotEqual %22 %20 %21
|
|
%25 = OpSelect %6 %23 %21 %24
|
|
OpStore %8 %25
|
|
%26 = OpLoad %6 %8
|
|
%33 = OpAccessChain %32 %31 %21 %21
|
|
%34 = OpLoad %6 %33
|
|
%35 = OpBitwiseOr %6 %26 %34
|
|
%36 = OpNot %6 %35
|
|
%37 = OpAccessChain %32 %31 %21 %21
|
|
%38 = OpLoad %6 %37
|
|
%39 = OpINotEqual %22 %36 %38
|
|
OpSelectionMerge %41 None
|
|
OpBranchConditional %39 %40 %57
|
|
%40 = OpLabel
|
|
%44 = OpAccessChain %32 %31 %21 %21
|
|
%45 = OpLoad %6 %44
|
|
%46 = OpConvertSToF %9 %45
|
|
%47 = OpAccessChain %32 %31 %21 %19
|
|
%48 = OpLoad %6 %47
|
|
%49 = OpConvertSToF %9 %48
|
|
%50 = OpAccessChain %32 %31 %21 %19
|
|
%51 = OpLoad %6 %50
|
|
%52 = OpConvertSToF %9 %51
|
|
%53 = OpAccessChain %32 %31 %21 %21
|
|
%54 = OpLoad %6 %53
|
|
%55 = OpConvertSToF %9 %54
|
|
%56 = OpCompositeConstruct %10 %46 %49 %52 %55
|
|
OpStore %43 %56
|
|
OpBranch %41
|
|
%57 = OpLabel
|
|
%58 = OpAccessChain %32 %31 %21 %19
|
|
%59 = OpLoad %6 %58
|
|
%60 = OpConvertSToF %9 %59
|
|
%61 = OpCompositeConstruct %10 %60 %60 %60 %60
|
|
OpStore %43 %61
|
|
OpBranch %41
|
|
%41 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
END
|
|
|
|
# uniforms for variant
|
|
|
|
# _GLF_uniform_int_values
|
|
BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
|
|
1 0
|
|
END
|
|
|
|
BUFFER variant_framebuffer FORMAT B8G8R8A8_UNORM
|
|
|
|
PIPELINE graphics variant_pipeline
|
|
ATTACH variant_vertex_shader
|
|
ATTACH variant_fragment_shader
|
|
FRAMEBUFFER_SIZE 32 32
|
|
BIND BUFFER variant_framebuffer AS color LOCATION 0
|
|
BIND BUFFER variant__GLF_uniform_int_values 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 32 32
|
|
|
|
EXPECT variant_framebuffer IDX 0 0 SIZE 32 32 EQ_RGBA 255 0 0 255
|