281 lines
9.0 KiB
Plaintext
281 lines
9.0 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.
|
|
|
|
SHADER vertex texgen_vert PASSTHROUGH
|
|
|
|
SHADER fragment texgen_frag GLSL
|
|
#version 430
|
|
precision highp float;
|
|
|
|
layout(location = 0) out vec4 _GLF_color;
|
|
|
|
void main()
|
|
{
|
|
_GLF_color = vec4(
|
|
floor(gl_FragCoord.x) * (1.0 / 255.0),
|
|
(int(gl_FragCoord.x) ^ int(gl_FragCoord.y)) * (1.0 / 255.0),
|
|
floor(gl_FragCoord.y) * (1.0 / 255.0),
|
|
1.0);
|
|
}
|
|
END
|
|
BUFFER default_texture FORMAT B8G8R8A8_UNORM
|
|
|
|
PIPELINE graphics texgen_pipeline
|
|
ATTACH texgen_vert
|
|
ATTACH texgen_frag
|
|
FRAMEBUFFER_SIZE 256 256
|
|
BIND BUFFER default_texture AS color LOCATION 0
|
|
END
|
|
|
|
CLEAR_COLOR texgen_pipeline 0 0 0 255
|
|
CLEAR texgen_pipeline
|
|
RUN texgen_pipeline DRAW_RECT POS 0 0 SIZE 256 256
|
|
|
|
SHADER vertex variant_vertex_shader PASSTHROUGH
|
|
|
|
# variant_fragment_shader is derived from the following GLSL:
|
|
# #version 320 es
|
|
# #define _int_100 _GLF_uniform_int_values[0]
|
|
# #define _int_0 _GLF_uniform_int_values[1]
|
|
# #define _int_1 _GLF_uniform_int_values[2]
|
|
# #define _float_0_0 _GLF_uniform_float_values[0]
|
|
# #define _float_1_0 _GLF_uniform_float_values[1]
|
|
# #define _float_256_0 _GLF_uniform_float_values[2]
|
|
#
|
|
# precision highp int;
|
|
# precision highp float;
|
|
#
|
|
# // Contents of _GLF_uniform_float_values: [0.0, 1.0, 256.0]
|
|
# layout(set = 0, binding = 0) uniform buf0
|
|
# {
|
|
# float _GLF_uniform_float_values[3];
|
|
# };
|
|
# // Contents of _GLF_uniform_int_values: [100, 0, 1]
|
|
# layout(set = 0, binding = 1) uniform buf1
|
|
# {
|
|
# int _GLF_uniform_int_values[3];
|
|
# };
|
|
# layout(location = 0) out vec4 _GLF_color;
|
|
#
|
|
# layout(set = 0, binding = 2) uniform sampler2D tex;
|
|
#
|
|
# void main()
|
|
# {
|
|
# vec4 texel = texture(tex, vec2(_float_0_0));
|
|
# vec4 texelCopy = texel;
|
|
#
|
|
# // Sample from different location than texelCopy which should
|
|
# // result in different color value too.
|
|
# for(int i = _int_0; i < _int_100; i++)
|
|
# texel = texture(tex, vec2(_float_1_0 / _float_256_0));
|
|
#
|
|
# // Always true.
|
|
# if(texelCopy != texel)
|
|
# _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: 89
|
|
; Schema: 0
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main" %70
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 320
|
|
OpName %4 "main"
|
|
OpName %9 "texel"
|
|
OpName %13 "tex"
|
|
OpName %18 "buf0"
|
|
OpMemberName %18 0 "_GLF_uniform_float_values"
|
|
OpName %20 ""
|
|
OpName %29 "texelCopy"
|
|
OpName %32 "i"
|
|
OpName %34 "buf1"
|
|
OpMemberName %34 0 "_GLF_uniform_int_values"
|
|
OpName %36 ""
|
|
OpName %70 "_GLF_color"
|
|
OpDecorate %13 RelaxedPrecision
|
|
OpDecorate %13 DescriptorSet 0
|
|
OpDecorate %13 Binding 2
|
|
OpDecorate %14 RelaxedPrecision
|
|
OpDecorate %17 ArrayStride 16
|
|
OpMemberDecorate %18 0 Offset 0
|
|
OpDecorate %18 Block
|
|
OpDecorate %20 DescriptorSet 0
|
|
OpDecorate %20 Binding 0
|
|
OpDecorate %27 RelaxedPrecision
|
|
OpDecorate %28 RelaxedPrecision
|
|
OpDecorate %33 ArrayStride 16
|
|
OpMemberDecorate %34 0 Offset 0
|
|
OpDecorate %34 Block
|
|
OpDecorate %36 DescriptorSet 0
|
|
OpDecorate %36 Binding 1
|
|
OpDecorate %51 RelaxedPrecision
|
|
OpDecorate %58 RelaxedPrecision
|
|
OpDecorate %59 RelaxedPrecision
|
|
OpDecorate %70 Location 0
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeFloat 32
|
|
%7 = OpTypeVector %6 4
|
|
%8 = OpTypePointer Function %7
|
|
%10 = OpTypeImage %6 2D 0 0 0 1 Unknown
|
|
%11 = OpTypeSampledImage %10
|
|
%12 = OpTypePointer UniformConstant %11
|
|
%13 = OpVariable %12 UniformConstant
|
|
%15 = OpTypeInt 32 0
|
|
%16 = OpConstant %15 3
|
|
%17 = OpTypeArray %6 %16
|
|
%18 = OpTypeStruct %17
|
|
%19 = OpTypePointer Uniform %18
|
|
%20 = OpVariable %19 Uniform
|
|
%21 = OpTypeInt 32 1
|
|
%22 = OpConstant %21 0
|
|
%23 = OpTypePointer Uniform %6
|
|
%26 = OpTypeVector %6 2
|
|
%31 = OpTypePointer Function %21
|
|
%33 = OpTypeArray %21 %16
|
|
%34 = OpTypeStruct %33
|
|
%35 = OpTypePointer Uniform %34
|
|
%36 = OpVariable %35 Uniform
|
|
%37 = OpConstant %21 1
|
|
%38 = OpTypePointer Uniform %21
|
|
%49 = OpTypeBool
|
|
%54 = OpConstant %21 2
|
|
%64 = OpTypeVector %49 4
|
|
%69 = OpTypePointer Output %7
|
|
%70 = OpVariable %69 Output
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%9 = OpVariable %8 Function
|
|
%29 = OpVariable %8 Function
|
|
%32 = OpVariable %31 Function
|
|
%14 = OpLoad %11 %13
|
|
%24 = OpAccessChain %23 %20 %22 %22
|
|
%25 = OpLoad %6 %24
|
|
%27 = OpCompositeConstruct %26 %25 %25
|
|
%28 = OpImageSampleImplicitLod %7 %14 %27
|
|
OpStore %9 %28
|
|
%30 = OpLoad %7 %9
|
|
OpStore %29 %30
|
|
%39 = OpAccessChain %38 %36 %22 %37
|
|
%40 = OpLoad %21 %39
|
|
OpStore %32 %40
|
|
OpBranch %41
|
|
%41 = OpLabel
|
|
OpLoopMerge %43 %44 None
|
|
OpBranch %45
|
|
%45 = OpLabel
|
|
%46 = OpLoad %21 %32
|
|
%47 = OpAccessChain %38 %36 %22 %22
|
|
%48 = OpLoad %21 %47
|
|
%50 = OpSLessThan %49 %46 %48
|
|
OpBranchConditional %50 %42 %43
|
|
%42 = OpLabel
|
|
%51 = OpLoad %11 %13
|
|
%52 = OpAccessChain %23 %20 %22 %37
|
|
%53 = OpLoad %6 %52
|
|
%55 = OpAccessChain %23 %20 %22 %54
|
|
%56 = OpLoad %6 %55
|
|
%57 = OpFDiv %6 %53 %56
|
|
%58 = OpCompositeConstruct %26 %57 %57
|
|
%59 = OpImageSampleImplicitLod %7 %51 %58
|
|
OpStore %9 %59
|
|
OpBranch %44
|
|
%44 = OpLabel
|
|
%60 = OpLoad %21 %32
|
|
%61 = OpIAdd %21 %60 %37
|
|
OpStore %32 %61
|
|
OpBranch %41
|
|
%43 = OpLabel
|
|
%62 = OpLoad %7 %29
|
|
%63 = OpLoad %7 %9
|
|
%65 = OpFUnordNotEqual %64 %62 %63
|
|
%66 = OpAny %49 %65
|
|
OpSelectionMerge %68 None
|
|
OpBranchConditional %66 %67 %84
|
|
%67 = OpLabel
|
|
%71 = OpAccessChain %38 %36 %22 %54
|
|
%72 = OpLoad %21 %71
|
|
%73 = OpConvertSToF %6 %72
|
|
%74 = OpAccessChain %38 %36 %22 %37
|
|
%75 = OpLoad %21 %74
|
|
%76 = OpConvertSToF %6 %75
|
|
%77 = OpAccessChain %38 %36 %22 %37
|
|
%78 = OpLoad %21 %77
|
|
%79 = OpConvertSToF %6 %78
|
|
%80 = OpAccessChain %38 %36 %22 %54
|
|
%81 = OpLoad %21 %80
|
|
%82 = OpConvertSToF %6 %81
|
|
%83 = OpCompositeConstruct %7 %73 %76 %79 %82
|
|
OpStore %70 %83
|
|
OpBranch %68
|
|
%84 = OpLabel
|
|
%85 = OpAccessChain %38 %36 %22 %37
|
|
%86 = OpLoad %21 %85
|
|
%87 = OpConvertSToF %6 %86
|
|
%88 = OpCompositeConstruct %7 %87 %87 %87 %87
|
|
OpStore %70 %88
|
|
OpBranch %68
|
|
%68 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
END
|
|
|
|
# uniforms for variant
|
|
|
|
# tex
|
|
SAMPLER variant_tex
|
|
|
|
# _GLF_uniform_int_values
|
|
BUFFER variant__GLF_uniform_int_values DATA_TYPE int32[] STD140 DATA
|
|
100 0 1
|
|
END
|
|
# _GLF_uniform_float_values
|
|
BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
|
|
0.0 1.0 256.0
|
|
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 default_texture AS combined_image_sampler SAMPLER variant_tex 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
|