external/vulkancts/data/vulkan/amber/graphicsfuzz/cov-x86-isel-lowering-machine-value-type-uint-to-float.amber

#!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: Covers specific X86 ISel lowering and machine value type 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 310 es
# #define _int_1 _GLF_uniform_int_values[0]
# #define _int_0 _GLF_uniform_int_values[1]
# #define _uint_1 _GLF_uniform_uint_values[0]
# #define _uint_0 _GLF_uniform_uint_values[1]
# #define _float_0_0 _GLF_uniform_float_values[0]
#
# 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];
# };
#
# // Contents of _GLF_uniform_uint_values: 1
# layout(set = 0, binding = 1) uniform buf1
# {
#     uint _GLF_uniform_uint_values[2];
# };
#
# // Contents of _GLF_uniform_float_values: 0.0
# layout(set = 0, binding = 2) uniform buf2
# {
#     float _GLF_uniform_float_values[1];
# };
#
# layout(location = 0) out vec4 _GLF_color;
#
# void main()
# {
#     uint a = _uint_1 >> uint(_float_0_0);
#     float b = uintBitsToFloat(a);
#     uint c = floatBitsToUint(b);
#
#     if (c == _uint_1)
#     {
#         _GLF_color = vec4(_int_1, _int_0, _int_0, _int_1);
#     }
#     else
#     {
#         _GLF_color = vec4(b);
#     }
# }
SHADER fragment variant_fragment_shader SPIRV-ASM TARGET_ENV spv1.0
; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 8
; Bound: 69
; Schema: 0
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Fragment %4 "main" %46
               OpExecutionMode %4 OriginUpperLeft
               OpSource ESSL 310
               OpName %4 "main"
               OpName %8 "a"
               OpName %11 "buf1"
               OpMemberName %11 0 "_GLF_uniform_uint_values"
               OpName %13 ""
               OpName %22 "buf2"
               OpMemberName %22 0 "_GLF_uniform_float_values"
               OpName %24 ""
               OpName %31 "b"
               OpName %34 "c"
               OpName %46 "_GLF_color"
               OpName %48 "buf0"
               OpMemberName %48 0 "_GLF_uniform_int_values"
               OpName %50 ""
               OpDecorate %10 ArrayStride 16
               OpMemberDecorate %11 0 Offset 0
               OpDecorate %11 Block
               OpDecorate %13 DescriptorSet 0
               OpDecorate %13 Binding 1
               OpDecorate %21 ArrayStride 16
               OpMemberDecorate %22 0 Offset 0
               OpDecorate %22 Block
               OpDecorate %24 DescriptorSet 0
               OpDecorate %24 Binding 2
               OpDecorate %46 Location 0
               OpDecorate %47 ArrayStride 16
               OpMemberDecorate %48 0 Offset 0
               OpDecorate %48 Block
               OpDecorate %50 DescriptorSet 0
               OpDecorate %50 Binding 0
          %2 = OpTypeVoid
          %3 = OpTypeFunction %2
          %6 = OpTypeInt 32 0
          %7 = OpTypePointer Function %6
          %9 = OpConstant %6 2
         %10 = OpTypeArray %6 %9
         %11 = OpTypeStruct %10
         %12 = OpTypePointer Uniform %11
         %13 = OpVariable %12 Uniform
         %14 = OpTypeInt 32 1
         %15 = OpConstant %14 0
         %16 = OpTypePointer Uniform %6
         %19 = OpTypeFloat 32
         %20 = OpConstant %6 1
         %21 = OpTypeArray %19 %20
         %22 = OpTypeStruct %21
         %23 = OpTypePointer Uniform %22
         %24 = OpVariable %23 Uniform
         %25 = OpTypePointer Uniform %19
         %30 = OpTypePointer Function %19
         %40 = OpTypeBool
         %44 = OpTypeVector %19 4
         %45 = OpTypePointer Output %44
         %46 = OpVariable %45 Output
         %47 = OpTypeArray %14 %9
         %48 = OpTypeStruct %47
         %49 = OpTypePointer Uniform %48
         %50 = OpVariable %49 Uniform
         %51 = OpTypePointer Uniform %14
         %55 = OpConstant %14 1
          %4 = OpFunction %2 None %3
          %5 = OpLabel
          %8 = OpVariable %7 Function
         %31 = OpVariable %30 Function
         %34 = OpVariable %7 Function
         %17 = OpAccessChain %16 %13 %15 %15
         %18 = OpLoad %6 %17
         %26 = OpAccessChain %25 %24 %15 %15
         %27 = OpLoad %19 %26
         %28 = OpConvertFToU %6 %27
         %29 = OpShiftRightLogical %6 %18 %28
               OpStore %8 %29
         %32 = OpLoad %6 %8
         %33 = OpBitcast %19 %32
               OpStore %31 %33
         %35 = OpLoad %19 %31
         %36 = OpBitcast %6 %35
               OpStore %34 %36
         %37 = OpLoad %6 %34
         %38 = OpAccessChain %16 %13 %15 %15
         %39 = OpLoad %6 %38
         %41 = OpIEqual %40 %37 %39
               OpSelectionMerge %43 None
               OpBranchConditional %41 %42 %66
         %42 = OpLabel
         %52 = OpAccessChain %51 %50 %15 %15
         %53 = OpLoad %14 %52
         %54 = OpConvertSToF %19 %53
         %56 = OpAccessChain %51 %50 %15 %55
         %57 = OpLoad %14 %56
         %58 = OpConvertSToF %19 %57
         %59 = OpAccessChain %51 %50 %15 %55
         %60 = OpLoad %14 %59
         %61 = OpConvertSToF %19 %60
         %62 = OpAccessChain %51 %50 %15 %15
         %63 = OpLoad %14 %62
         %64 = OpConvertSToF %19 %63
         %65 = OpCompositeConstruct %44 %54 %58 %61 %64
               OpStore %46 %65
               OpBranch %43
         %66 = OpLabel
         %67 = OpLoad %19 %31
         %68 = OpCompositeConstruct %44 %67 %67 %67 %67
               OpStore %46 %68
               OpBranch %43
         %43 = OpLabel
               OpReturn
               OpFunctionEnd
END

# uniforms for variant

# _GLF_uniform_float_values
BUFFER variant__GLF_uniform_float_values DATA_TYPE float[] STD140 DATA
 0.0
END
# _GLF_uniform_uint_values
BUFFER variant__GLF_uniform_uint_values DATA_TYPE int32[] STD140 DATA
 1 0
END
# _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 256 256
  BIND BUFFER variant_framebuffer AS color LOCATION 0
  BIND BUFFER variant__GLF_uniform_float_values AS uniform DESCRIPTOR_SET 0 BINDING 2
  BIND BUFFER variant__GLF_uniform_uint_values AS uniform DESCRIPTOR_SET 0 BINDING 1
  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 256 256

EXPECT variant_framebuffer IDX 0 0 SIZE 256 256 EQ_RGBA 255 0 0 255