241 lines
7.4 KiB
Plaintext
241 lines
7.4 KiB
Plaintext
#!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 coverage-gap found by the GraphicsFuzz project.
|
|
|
|
# Short description: A fragment shader that covers specific NIR code paths
|
|
|
|
# The test passes because the shader always writes red.
|
|
|
|
# Optimized using spirv-opt with the following arguments:
|
|
# '--simplify-instructions'
|
|
# '--reduce-load-size'
|
|
# '--inline-entry-points-exhaustive'
|
|
# '--eliminate-local-single-block'
|
|
# '--redundancy-elimination'
|
|
# '--eliminate-dead-branches'
|
|
# '--eliminate-dead-inserts'
|
|
# '--redundancy-elimination'
|
|
# '--eliminate-local-single-block'
|
|
# '--eliminate-local-multi-store'
|
|
# '--simplify-instructions'
|
|
# '--eliminate-local-multi-store'
|
|
# '--eliminate-dead-branches'
|
|
# '--eliminate-dead-branches'
|
|
# '--merge-return'
|
|
# '--combine-access-chains'
|
|
# '--eliminate-local-multi-store'
|
|
# '--eliminate-local-single-block'
|
|
# '--eliminate-local-single-store'
|
|
# '--eliminate-dead-branches'
|
|
# '--merge-blocks'
|
|
# '--eliminate-dead-branches'
|
|
# '--merge-blocks'
|
|
# '--simplify-instructions'
|
|
# '--eliminate-dead-branches'
|
|
# '--merge-blocks'
|
|
# '--eliminate-local-multi-store'
|
|
# '--eliminate-dead-branches'
|
|
# '--merge-return'
|
|
# '--ccp'
|
|
# '--eliminate-local-single-store'
|
|
# '--redundancy-elimination'
|
|
# '--eliminate-local-multi-store'
|
|
# '--eliminate-dead-code-aggressive'
|
|
# spirv-opt commit hash: a0370efd589be33d5d9a85cfde2f85841b3755af
|
|
|
|
|
|
|
|
SHADER vertex variant_vertex_shader PASSTHROUGH
|
|
|
|
# variant_fragment_shader is derived from the following GLSL:
|
|
# #version 320 es
|
|
# #define _int_0 _GLF_uniform_int_values[0]
|
|
# #define _int_1 _GLF_uniform_int_values[1]
|
|
# #define _float_1_0 _GLF_uniform_float_values[0]
|
|
#
|
|
# precision highp int;
|
|
# precision highp float;
|
|
#
|
|
# // Contents of _GLF_uniform_float_values: 1.0
|
|
# layout(set = 0, binding = 0) uniform buf0
|
|
# {
|
|
# float _GLF_uniform_float_values[1];
|
|
# };
|
|
#
|
|
# // Contents of _GLF_uniform_int_values: [0, 1]
|
|
# layout(set = 0, binding = 1) uniform buf1
|
|
# {
|
|
# int _GLF_uniform_int_values[2];
|
|
# };
|
|
#
|
|
# // Contents of zero: 0
|
|
# layout(set = 0, binding = 2) uniform buf2
|
|
# {
|
|
# int zero;
|
|
# };
|
|
#
|
|
# layout(location = 0) out vec4 _GLF_color;
|
|
#
|
|
# void main()
|
|
# {
|
|
# vec3 v = vec3(_int_1);
|
|
# // Static out of bound access required to hit the coverage point.
|
|
# int a = 3;
|
|
#
|
|
# // Always false.
|
|
# if(zero > _int_0)
|
|
# {
|
|
# // Out of bounds access but never executed.
|
|
# v[a] = _float_1_0;
|
|
# }
|
|
#
|
|
# _GLF_color = vec4(v[_int_1], _int_0, _int_0, _int_1);
|
|
# }
|
|
SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
|
|
; SPIR-V
|
|
; Version: 1.0
|
|
; Generator: Khronos Glslang Reference Front End; 10
|
|
; Bound: 66
|
|
; Schema: 0
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main" %51
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 320
|
|
OpName %4 "main"
|
|
OpName %9 "v"
|
|
OpName %14 "buf1"
|
|
OpMemberName %14 0 "_GLF_uniform_int_values"
|
|
OpName %16 ""
|
|
OpName %27 "buf2"
|
|
OpMemberName %27 0 "zero"
|
|
OpName %29 ""
|
|
OpName %41 "buf0"
|
|
OpMemberName %41 0 "_GLF_uniform_float_values"
|
|
OpName %43 ""
|
|
OpName %51 "_GLF_color"
|
|
OpDecorate %13 ArrayStride 16
|
|
OpMemberDecorate %14 0 Offset 0
|
|
OpDecorate %14 Block
|
|
OpDecorate %16 DescriptorSet 0
|
|
OpDecorate %16 Binding 1
|
|
OpMemberDecorate %27 0 Offset 0
|
|
OpDecorate %27 Block
|
|
OpDecorate %29 DescriptorSet 0
|
|
OpDecorate %29 Binding 2
|
|
OpDecorate %40 ArrayStride 16
|
|
OpMemberDecorate %41 0 Offset 0
|
|
OpDecorate %41 Block
|
|
OpDecorate %43 DescriptorSet 0
|
|
OpDecorate %43 Binding 0
|
|
OpDecorate %51 Location 0
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeFloat 32
|
|
%7 = OpTypeVector %6 3
|
|
%8 = OpTypePointer Function %7
|
|
%10 = OpTypeInt 32 1
|
|
%11 = OpTypeInt 32 0
|
|
%12 = OpConstant %11 2
|
|
%13 = OpTypeArray %10 %12
|
|
%14 = OpTypeStruct %13
|
|
%15 = OpTypePointer Uniform %14
|
|
%16 = OpVariable %15 Uniform
|
|
%17 = OpConstant %10 0
|
|
%18 = OpConstant %10 1
|
|
%19 = OpTypePointer Uniform %10
|
|
%26 = OpConstant %10 3
|
|
%27 = OpTypeStruct %10
|
|
%28 = OpTypePointer Uniform %27
|
|
%29 = OpVariable %28 Uniform
|
|
%34 = OpTypeBool
|
|
%39 = OpConstant %11 1
|
|
%40 = OpTypeArray %6 %39
|
|
%41 = OpTypeStruct %40
|
|
%42 = OpTypePointer Uniform %41
|
|
%43 = OpVariable %42 Uniform
|
|
%44 = OpTypePointer Uniform %6
|
|
%47 = OpTypePointer Function %6
|
|
%49 = OpTypeVector %6 4
|
|
%50 = OpTypePointer Output %49
|
|
%51 = OpVariable %50 Output
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%9 = OpVariable %8 Function
|
|
%20 = OpAccessChain %19 %16 %17 %18
|
|
%21 = OpLoad %10 %20
|
|
%22 = OpConvertSToF %6 %21
|
|
%23 = OpCompositeConstruct %7 %22 %22 %22
|
|
OpStore %9 %23
|
|
%30 = OpAccessChain %19 %29 %17
|
|
%31 = OpLoad %10 %30
|
|
%32 = OpAccessChain %19 %16 %17 %17
|
|
%33 = OpLoad %10 %32
|
|
%35 = OpSGreaterThan %34 %31 %33
|
|
OpSelectionMerge %37 None
|
|
OpBranchConditional %35 %36 %37
|
|
%36 = OpLabel
|
|
%45 = OpAccessChain %44 %43 %17 %17
|
|
%46 = OpLoad %6 %45
|
|
%48 = OpAccessChain %47 %9 %26
|
|
OpStore %48 %46
|
|
OpBranch %37
|
|
%37 = OpLabel
|
|
%54 = OpAccessChain %47 %9 %21
|
|
%55 = OpLoad %6 %54
|
|
%58 = OpConvertSToF %6 %33
|
|
%65 = OpCompositeConstruct %49 %55 %58 %58 %22
|
|
OpStore %51 %65
|
|
OpReturn
|
|
OpFunctionEnd
|
|
END
|
|
|
|
# uniforms for variant
|
|
|
|
# zero
|
|
BUFFER variant_zero DATA_TYPE int32[] STD140 DATA
|
|
0
|
|
END
|
|
# _GLF_uniform_int_values
|
|
BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
|
|
0 1
|
|
END
|
|
# _GLF_uniform_float_values
|
|
BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] 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 256 256
|
|
BIND BUFFER variant_framebuffer AS color LOCATION 0
|
|
BIND BUFFER variant_zero AS uniform DESCRIPTOR_SET 0 BINDING 2
|
|
BIND BUFFER variant__GLF_uniform_int_values AS uniform DESCRIPTOR_SET 0 BINDING 1
|
|
BIND BUFFER variant__GLF_uniform_float_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 256 256
|
|
|
|
EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255
|