147 lines
4.5 KiB
Plaintext
147 lines
4.5 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 a specific value tracking path
|
|
|
|
# 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
|
|
# #define _float_0_0 _GLF_uniform_float_values[0]
|
|
# #define _float_1_0 _GLF_uniform_float_values[1]
|
|
#
|
|
# precision highp float;
|
|
#
|
|
# // Contents of _GLF_uniform_float_values: [0.0, 1.0]
|
|
# layout(set = 0, binding = 0) uniform buf0
|
|
# {
|
|
# float _GLF_uniform_float_values[2];
|
|
# };
|
|
#
|
|
# layout(location = 0) out vec4 _GLF_color;
|
|
#
|
|
# void main()
|
|
# {
|
|
# // Always false.
|
|
# if (inversesqrt(_float_1_0) < -1.0)
|
|
# {
|
|
# _GLF_color = vec4(_float_0_0);
|
|
# }
|
|
# else
|
|
# {
|
|
# _GLF_color = vec4(_float_1_0, _float_0_0, _float_0_0, _float_1_0);
|
|
# }
|
|
# }
|
|
SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
|
|
; SPIR-V
|
|
; Version: 1.0
|
|
; Generator: Khronos Glslang Reference Front End; 8
|
|
; Bound: 41
|
|
; Schema: 0
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main" %27
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %4 "main"
|
|
OpName %10 "buf0"
|
|
OpMemberName %10 0 "_GLF_uniform_float_values"
|
|
OpName %12 ""
|
|
OpName %27 "_GLF_color"
|
|
OpDecorate %9 ArrayStride 16
|
|
OpMemberDecorate %10 0 Offset 0
|
|
OpDecorate %10 Block
|
|
OpDecorate %12 DescriptorSet 0
|
|
OpDecorate %12 Binding 0
|
|
OpDecorate %27 Location 0
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeFloat 32
|
|
%7 = OpTypeInt 32 0
|
|
%8 = OpConstant %7 2
|
|
%9 = OpTypeArray %6 %8
|
|
%10 = OpTypeStruct %9
|
|
%11 = OpTypePointer Uniform %10
|
|
%12 = OpVariable %11 Uniform
|
|
%13 = OpTypeInt 32 1
|
|
%14 = OpConstant %13 0
|
|
%15 = OpConstant %13 1
|
|
%16 = OpTypePointer Uniform %6
|
|
%20 = OpConstant %6 -1
|
|
%21 = OpTypeBool
|
|
%25 = OpTypeVector %6 4
|
|
%26 = OpTypePointer Output %25
|
|
%27 = OpVariable %26 Output
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%17 = OpAccessChain %16 %12 %14 %15
|
|
%18 = OpLoad %6 %17
|
|
%19 = OpExtInst %6 %1 InverseSqrt %18
|
|
%22 = OpFOrdLessThan %21 %19 %20
|
|
OpSelectionMerge %24 None
|
|
OpBranchConditional %22 %23 %31
|
|
%23 = OpLabel
|
|
%28 = OpAccessChain %16 %12 %14 %14
|
|
%29 = OpLoad %6 %28
|
|
%30 = OpCompositeConstruct %25 %29 %29 %29 %29
|
|
OpStore %27 %30
|
|
OpBranch %24
|
|
%31 = OpLabel
|
|
%32 = OpAccessChain %16 %12 %14 %15
|
|
%33 = OpLoad %6 %32
|
|
%34 = OpAccessChain %16 %12 %14 %14
|
|
%35 = OpLoad %6 %34
|
|
%36 = OpAccessChain %16 %12 %14 %14
|
|
%37 = OpLoad %6 %36
|
|
%38 = OpAccessChain %16 %12 %14 %15
|
|
%39 = OpLoad %6 %38
|
|
%40 = OpCompositeConstruct %25 %33 %35 %37 %39
|
|
OpStore %27 %40
|
|
OpBranch %24
|
|
%24 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
END
|
|
|
|
# uniforms for variant
|
|
|
|
# _GLF_uniform_float_values
|
|
BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 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__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
|