150 lines
4.8 KiB
Plaintext
150 lines
4.8 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 APFloat 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_1_0 _GLF_uniform_float_values[0]
|
|
# #define _float_0_0 _GLF_uniform_float_values[1]
|
|
# #define _float_0_01 _GLF_uniform_float_values[2]
|
|
#
|
|
# precision highp float;
|
|
# precision highp int;
|
|
#
|
|
# // Contents of _GLF_uniform_float_values: 1.0
|
|
# layout(set = 0, binding = 0) uniform buf0
|
|
# {
|
|
# float _GLF_uniform_float_values[3];
|
|
# };
|
|
# layout(location = 0) out vec4 _GLF_color;
|
|
#
|
|
# void main()
|
|
# {
|
|
# float a = mod(uintBitsToFloat(1u), 1.0);
|
|
#
|
|
# _GLF_color = vec4(_float_0_0);
|
|
# if (a < _float_0_01)
|
|
# _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; 10
|
|
; Bound: 46
|
|
; Schema: 0
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main" %16
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %4 "main"
|
|
OpName %8 "a"
|
|
OpName %16 "_GLF_color"
|
|
OpName %19 "buf0"
|
|
OpMemberName %19 0 "_GLF_uniform_float_values"
|
|
OpName %21 ""
|
|
OpDecorate %16 Location 0
|
|
OpDecorate %18 ArrayStride 16
|
|
OpMemberDecorate %19 0 Offset 0
|
|
OpDecorate %19 Block
|
|
OpDecorate %21 DescriptorSet 0
|
|
OpDecorate %21 Binding 0
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeFloat 32
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpTypeInt 32 0
|
|
%10 = OpConstant %9 1
|
|
%12 = OpConstant %6 1
|
|
%14 = OpTypeVector %6 4
|
|
%15 = OpTypePointer Output %14
|
|
%16 = OpVariable %15 Output
|
|
%17 = OpConstant %9 3
|
|
%18 = OpTypeArray %6 %17
|
|
%19 = OpTypeStruct %18
|
|
%20 = OpTypePointer Uniform %19
|
|
%21 = OpVariable %20 Uniform
|
|
%22 = OpTypeInt 32 1
|
|
%23 = OpConstant %22 0
|
|
%24 = OpConstant %22 1
|
|
%25 = OpTypePointer Uniform %6
|
|
%30 = OpConstant %22 2
|
|
%33 = OpTypeBool
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%11 = OpBitcast %6 %10
|
|
%13 = OpFMod %6 %11 %12
|
|
OpStore %8 %13
|
|
%26 = OpAccessChain %25 %21 %23 %24
|
|
%27 = OpLoad %6 %26
|
|
%28 = OpCompositeConstruct %14 %27 %27 %27 %27
|
|
OpStore %16 %28
|
|
%29 = OpLoad %6 %8
|
|
%31 = OpAccessChain %25 %21 %23 %30
|
|
%32 = OpLoad %6 %31
|
|
%34 = OpFOrdLessThan %33 %29 %32
|
|
OpSelectionMerge %36 None
|
|
OpBranchConditional %34 %35 %36
|
|
%35 = OpLabel
|
|
%37 = OpAccessChain %25 %21 %23 %23
|
|
%38 = OpLoad %6 %37
|
|
%39 = OpAccessChain %25 %21 %23 %24
|
|
%40 = OpLoad %6 %39
|
|
%41 = OpAccessChain %25 %21 %23 %24
|
|
%42 = OpLoad %6 %41
|
|
%43 = OpAccessChain %25 %21 %23 %23
|
|
%44 = OpLoad %6 %43
|
|
%45 = OpCompositeConstruct %14 %38 %40 %42 %44
|
|
OpStore %16 %45
|
|
OpBranch %36
|
|
%36 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
END
|
|
|
|
# uniforms for variant
|
|
|
|
# _GLF_uniform_float_values
|
|
BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
|
|
1.0 0.0 0.01
|
|
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
|