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// Copyright (c) 2022 The Khronos Group Inc.
// Copyright (c) 2022 LunarG Inc.
//
// 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.
#include <unordered_set>
#include "test/opt/pass_fixture.h"
#include "test/opt/pass_utils.h"
namespace spvtools {
namespace opt {
namespace {
using AnalyzeLiveInputTest = PassTest<::testing::Test>;
TEST_F(AnalyzeLiveInputTest, FragMultipleLocations) {
// Should report locations {2, 5}
//
// #version 450
//
// layout(location = 2) in Vertex
// {
// vec4 color0;
// vec4 color1;
// vec4 color2[3];
// } iVert;
//
// layout(location = 0) out vec4 oFragColor;
//
// void main()
// {
// oFragColor = iVert.color0 + iVert.color2[1];
// }
const std::string text = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %oFragColor %iVert
OpExecutionMode %main OriginUpperLeft
OpSource GLSL 450
OpName %main "main"
OpName %oFragColor "oFragColor"
OpName %Vertex "Vertex"
OpMemberName %Vertex 0 "color0"
OpMemberName %Vertex 1 "color1"
OpMemberName %Vertex 2 "color2"
OpName %iVert "iVert"
OpDecorate %oFragColor Location 0
OpDecorate %Vertex Block
OpDecorate %iVert Location 2
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%oFragColor = OpVariable %_ptr_Output_v4float Output
%uint = OpTypeInt 32 0
%uint_3 = OpConstant %uint 3
%_arr_v4float_uint_3 = OpTypeArray %v4float %uint_3
%Vertex = OpTypeStruct %v4float %v4float %_arr_v4float_uint_3
%_ptr_Input_Vertex = OpTypePointer Input %Vertex
%iVert = OpVariable %_ptr_Input_Vertex Input
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%_ptr_Input_v4float = OpTypePointer Input %v4float
%int_2 = OpConstant %int 2
%int_1 = OpConstant %int 1
%main = OpFunction %void None %3
%5 = OpLabel
%19 = OpAccessChain %_ptr_Input_v4float %iVert %int_0
%20 = OpLoad %v4float %19
%23 = OpAccessChain %_ptr_Input_v4float %iVert %int_2 %int_1
%24 = OpLoad %v4float %23
%25 = OpFAdd %v4float %20 %24
OpStore %oFragColor %25
OpReturn
OpFunctionEnd
)";
SetTargetEnv(SPV_ENV_VULKAN_1_3);
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
std::unordered_set<uint32_t> live_inputs;
std::unordered_set<uint32_t> live_builtins;
auto result = SinglePassRunToBinary<AnalyzeLiveInputPass>(
text, true, &live_inputs, &live_builtins);
auto itr0 = live_inputs.find(0);
auto itr1 = live_inputs.find(1);
auto itr2 = live_inputs.find(2);
auto itr3 = live_inputs.find(3);
auto itr4 = live_inputs.find(4);
auto itr5 = live_inputs.find(5);
auto itr6 = live_inputs.find(6);
// Expect live_inputs == {2, 5}
EXPECT_TRUE(itr0 == live_inputs.end());
EXPECT_TRUE(itr1 == live_inputs.end());
EXPECT_TRUE(itr2 != live_inputs.end());
EXPECT_TRUE(itr3 == live_inputs.end());
EXPECT_TRUE(itr4 == live_inputs.end());
EXPECT_TRUE(itr5 != live_inputs.end());
EXPECT_TRUE(itr6 == live_inputs.end());
}
TEST_F(AnalyzeLiveInputTest, FragMatrix) {
// Should report locations {2, 8, 9, 10, 11}
//
// #version 450
//
// uniform ui_name {
// int i;
// } ui_inst;
//
// layout(location = 2) in Vertex
// {
// vec4 color0;
// vec4 color1;
// mat4 color2;
// mat4 color3;
// mat4 color4;
// } iVert;
//
// // Output variable for the color
// layout(location = 0) out vec4 oFragColor;
//
// void main()
// {
// oFragColor = iVert.color0 + iVert.color3[ui_inst.i];
// }
const std::string text = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %oFragColor %iVert %ui_inst
OpExecutionMode %main OriginUpperLeft
OpSource GLSL 450
OpName %main "main"
OpName %oFragColor "oFragColor"
OpName %Vertex "Vertex"
OpMemberName %Vertex 0 "color0"
OpMemberName %Vertex 1 "color1"
OpMemberName %Vertex 2 "color2"
OpMemberName %Vertex 3 "color3"
OpMemberName %Vertex 4 "color4"
OpName %iVert "iVert"
OpName %ui_name "ui_name"
OpMemberName %ui_name 0 "i"
OpName %ui_inst "ui_inst"
OpDecorate %oFragColor Location 0
OpDecorate %Vertex Block
OpDecorate %iVert Location 2
OpMemberDecorate %ui_name 0 Offset 0
OpDecorate %ui_name Block
OpDecorate %ui_inst DescriptorSet 0
OpDecorate %ui_inst Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%oFragColor = OpVariable %_ptr_Output_v4float Output
%mat4v4float = OpTypeMatrix %v4float 4
%Vertex = OpTypeStruct %v4float %v4float %mat4v4float %mat4v4float %mat4v4float
%_ptr_Input_Vertex = OpTypePointer Input %Vertex
%iVert = OpVariable %_ptr_Input_Vertex Input
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%_ptr_Input_v4float = OpTypePointer Input %v4float
%int_3 = OpConstant %int 3
%ui_name = OpTypeStruct %int
%_ptr_Uniform_ui_name = OpTypePointer Uniform %ui_name
%ui_inst = OpVariable %_ptr_Uniform_ui_name Uniform
%_ptr_Uniform_int = OpTypePointer Uniform %int
%main = OpFunction %void None %3
%5 = OpLabel
%17 = OpAccessChain %_ptr_Input_v4float %iVert %int_0
%18 = OpLoad %v4float %17
%24 = OpAccessChain %_ptr_Uniform_int %ui_inst %int_0
%25 = OpLoad %int %24
%26 = OpAccessChain %_ptr_Input_v4float %iVert %int_3 %25
%27 = OpLoad %v4float %26
%28 = OpFAdd %v4float %18 %27
OpStore %oFragColor %28
OpReturn
OpFunctionEnd
)";
SetTargetEnv(SPV_ENV_VULKAN_1_3);
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
std::unordered_set<uint32_t> live_inputs;
std::unordered_set<uint32_t> live_builtins;
auto result = SinglePassRunToBinary<AnalyzeLiveInputPass>(
text, true, &live_inputs, &live_builtins);
auto itr0 = live_inputs.find(0);
auto itr1 = live_inputs.find(1);
auto itr2 = live_inputs.find(2);
auto itr3 = live_inputs.find(3);
auto itr4 = live_inputs.find(4);
auto itr5 = live_inputs.find(5);
auto itr6 = live_inputs.find(6);
auto itr7 = live_inputs.find(7);
auto itr8 = live_inputs.find(8);
auto itr9 = live_inputs.find(9);
auto itr10 = live_inputs.find(10);
auto itr11 = live_inputs.find(11);
auto itr12 = live_inputs.find(12);
auto itr13 = live_inputs.find(13);
auto itr14 = live_inputs.find(14);
auto itr15 = live_inputs.find(15);
// Expect live_inputs == {2, 8, 9, 10, 11}
EXPECT_TRUE(itr0 == live_inputs.end());
EXPECT_TRUE(itr1 == live_inputs.end());
EXPECT_TRUE(itr2 != live_inputs.end());
EXPECT_TRUE(itr3 == live_inputs.end());
EXPECT_TRUE(itr4 == live_inputs.end());
EXPECT_TRUE(itr5 == live_inputs.end());
EXPECT_TRUE(itr6 == live_inputs.end());
EXPECT_TRUE(itr7 == live_inputs.end());
EXPECT_TRUE(itr8 != live_inputs.end());
EXPECT_TRUE(itr9 != live_inputs.end());
EXPECT_TRUE(itr10 != live_inputs.end());
EXPECT_TRUE(itr11 != live_inputs.end());
EXPECT_TRUE(itr12 == live_inputs.end());
EXPECT_TRUE(itr13 == live_inputs.end());
EXPECT_TRUE(itr14 == live_inputs.end());
EXPECT_TRUE(itr15 == live_inputs.end());
}
TEST_F(AnalyzeLiveInputTest, FragMemberLocs) {
// Should report location {1}
//
// #version 450
//
// in Vertex
// {
// layout (location = 1) vec4 Cd;
// layout (location = 0) vec2 uv;
// } iVert;
//
// layout (location = 0) out vec4 fragColor;
//
// void main()
// {
// vec4 color = vec4(iVert.Cd);
// fragColor = color;
// }
const std::string text = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %iVert %fragColor
OpExecutionMode %main OriginUpperLeft
OpSource GLSL 450
OpName %main "main"
OpName %color "color"
OpName %Vertex "Vertex"
OpMemberName %Vertex 0 "Cd"
OpMemberName %Vertex 1 "uv"
OpName %iVert "iVert"
OpName %fragColor "fragColor"
OpMemberDecorate %Vertex 0 Location 1
OpMemberDecorate %Vertex 1 Location 0
OpDecorate %Vertex Block
OpDecorate %fragColor Location 0
OpDecorate %_struct_27 Block
OpMemberDecorate %_struct_27 0 Location 1
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Function_v4float = OpTypePointer Function %v4float
%v2float = OpTypeVector %float 2
%Vertex = OpTypeStruct %v4float %v2float
%_ptr_Input_Vertex = OpTypePointer Input %Vertex
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%_ptr_Input_v4float = OpTypePointer Input %v4float
%_ptr_Output_v4float = OpTypePointer Output %v4float
%fragColor = OpVariable %_ptr_Output_v4float Output
%_struct_27 = OpTypeStruct %v4float
%_ptr_Input__struct_27 = OpTypePointer Input %_struct_27
%iVert = OpVariable %_ptr_Input__struct_27 Input
%main = OpFunction %void None %3
%5 = OpLabel
%color = OpVariable %_ptr_Function_v4float Function
%17 = OpAccessChain %_ptr_Input_v4float %iVert %int_0
%18 = OpLoad %v4float %17
%19 = OpCompositeExtract %float %18 0
%20 = OpCompositeExtract %float %18 1
%21 = OpCompositeExtract %float %18 2
%22 = OpCompositeExtract %float %18 3
%23 = OpCompositeConstruct %v4float %19 %20 %21 %22
OpStore %color %23
%26 = OpLoad %v4float %color
OpStore %fragColor %26
OpReturn
OpFunctionEnd
)";
SetTargetEnv(SPV_ENV_VULKAN_1_3);
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
std::unordered_set<uint32_t> live_inputs;
std::unordered_set<uint32_t> live_builtins;
auto result = SinglePassRunToBinary<AnalyzeLiveInputPass>(
text, true, &live_inputs, &live_builtins);
auto itr0 = live_inputs.find(0);
auto itr1 = live_inputs.find(1);
// Expect live_inputs == {2, 5}
EXPECT_TRUE(itr0 == live_inputs.end());
EXPECT_TRUE(itr1 != live_inputs.end());
}
TEST_F(AnalyzeLiveInputTest, ArrayedInput) {
// Tests handling of arrayed input seen in Tesc, Tese and Geom shaders.
//
// Should report location {1, 10}.
//
// #version 450
//
// layout (vertices = 4) out;
//
// layout (location = 1) in Vertex
// {
// vec4 p;
// vec3 n;
// vec4 f[100];
// } iVert[];
//
// layout (location = 0) out vec4 position[4];
//
// void main()
// {
// vec4 pos = iVert[gl_InvocationID].p *
// iVert[gl_InvocationID].f[7];
// position[gl_InvocationID] = pos;
// }
const std::string text = R"(
OpCapability Tessellation
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint TessellationControl %main "main" %iVert %gl_InvocationID %position
OpExecutionMode %main OutputVertices 4
OpSource GLSL 450
OpName %main "main"
OpName %Vertex "Vertex"
OpMemberName %Vertex 0 "p"
OpMemberName %Vertex 1 "n"
OpMemberName %Vertex 2 "f"
OpName %iVert "iVert"
OpName %gl_InvocationID "gl_InvocationID"
OpName %position "position"
OpDecorate %Vertex Block
OpDecorate %iVert Location 1
OpDecorate %gl_InvocationID BuiltIn InvocationId
OpDecorate %position Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%v3float = OpTypeVector %float 3
%uint = OpTypeInt 32 0
%uint_100 = OpConstant %uint 100
%_arr_v4float_uint_100 = OpTypeArray %v4float %uint_100
%Vertex = OpTypeStruct %v4float %v3float %_arr_v4float_uint_100
%uint_32 = OpConstant %uint 32
%_arr_Vertex_uint_32 = OpTypeArray %Vertex %uint_32
%_ptr_Input__arr_Vertex_uint_32 = OpTypePointer Input %_arr_Vertex_uint_32
%iVert = OpVariable %_ptr_Input__arr_Vertex_uint_32 Input
%int = OpTypeInt 32 1
%_ptr_Input_int = OpTypePointer Input %int
%gl_InvocationID = OpVariable %_ptr_Input_int Input
%int_0 = OpConstant %int 0
%_ptr_Input_v4float = OpTypePointer Input %v4float
%int_2 = OpConstant %int 2
%int_7 = OpConstant %int 7
%uint_4 = OpConstant %uint 4
%_arr_v4float_uint_4 = OpTypeArray %v4float %uint_4
%_ptr_Output__arr_v4float_uint_4 = OpTypePointer Output %_arr_v4float_uint_4
%position = OpVariable %_ptr_Output__arr_v4float_uint_4 Output
%_ptr_Output_v4float = OpTypePointer Output %v4float
%main = OpFunction %void None %3
%5 = OpLabel
%22 = OpLoad %int %gl_InvocationID
%25 = OpAccessChain %_ptr_Input_v4float %iVert %22 %int_0
%26 = OpLoad %v4float %25
%30 = OpAccessChain %_ptr_Input_v4float %iVert %22 %int_2 %int_7
%31 = OpLoad %v4float %30
%32 = OpFMul %v4float %26 %31
%40 = OpAccessChain %_ptr_Output_v4float %position %22
OpStore %40 %32
OpReturn
OpFunctionEnd
)";
SetTargetEnv(SPV_ENV_VULKAN_1_3);
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
std::unordered_set<uint32_t> live_inputs;
std::unordered_set<uint32_t> live_builtins;
auto result = SinglePassRunToBinary<AnalyzeLiveInputPass>(
text, true, &live_inputs, &live_builtins);
auto itr0 = live_inputs.find(0);
auto itr1 = live_inputs.find(1);
auto itr2 = live_inputs.find(2);
auto itr3 = live_inputs.find(3);
auto itr4 = live_inputs.find(4);
auto itr5 = live_inputs.find(5);
auto itr6 = live_inputs.find(6);
auto itr7 = live_inputs.find(7);
auto itr8 = live_inputs.find(8);
auto itr9 = live_inputs.find(9);
auto itr10 = live_inputs.find(10);
auto itr11 = live_inputs.find(11);
// Expect live_inputs == {1, 10}
EXPECT_TRUE(itr0 == live_inputs.end());
EXPECT_TRUE(itr1 != live_inputs.end());
EXPECT_TRUE(itr2 == live_inputs.end());
EXPECT_TRUE(itr3 == live_inputs.end());
EXPECT_TRUE(itr4 == live_inputs.end());
EXPECT_TRUE(itr5 == live_inputs.end());
EXPECT_TRUE(itr6 == live_inputs.end());
EXPECT_TRUE(itr7 == live_inputs.end());
EXPECT_TRUE(itr8 == live_inputs.end());
EXPECT_TRUE(itr9 == live_inputs.end());
EXPECT_TRUE(itr10 != live_inputs.end());
EXPECT_TRUE(itr11 == live_inputs.end());
}
TEST_F(AnalyzeLiveInputTest, ArrayedInputMemberLocs) {
// Tests handling of member locs with arrayed input seen in Tesc, Tese
// and Geom shaders.
//
// Should report location {1, 12}.
//
// #version 450
//
// layout (vertices = 4) out;
//
// in Vertex
// {
// layout (location = 1) vec4 p;
// layout (location = 3) vec3 n;
// layout (location = 5) vec4 f[100];
// } iVert[];
//
// layout (location = 0) out vec4 position[4];
//
// void main()
// {
// vec4 pos = iVert[gl_InvocationID].p *
// iVert[gl_InvocationID].f[7];
// position[gl_InvocationID] = pos;
// }
const std::string text = R"(
OpCapability Tessellation
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint TessellationControl %main "main" %iVert %gl_InvocationID %position
OpExecutionMode %main OutputVertices 4
OpSource GLSL 450
OpName %main "main"
OpName %Vertex "Vertex"
OpMemberName %Vertex 0 "p"
OpMemberName %Vertex 1 "n"
OpMemberName %Vertex 2 "f"
OpName %iVert "iVert"
OpName %gl_InvocationID "gl_InvocationID"
OpName %position "position"
OpMemberDecorate %Vertex 0 Location 1
OpMemberDecorate %Vertex 1 Location 3
OpMemberDecorate %Vertex 2 Location 5
OpDecorate %Vertex Block
OpDecorate %gl_InvocationID BuiltIn InvocationId
OpDecorate %position Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%v3float = OpTypeVector %float 3
%uint = OpTypeInt 32 0
%uint_100 = OpConstant %uint 100
%_arr_v4float_uint_100 = OpTypeArray %v4float %uint_100
%Vertex = OpTypeStruct %v4float %v3float %_arr_v4float_uint_100
%uint_32 = OpConstant %uint 32
%_arr_Vertex_uint_32 = OpTypeArray %Vertex %uint_32
%_ptr_Input__arr_Vertex_uint_32 = OpTypePointer Input %_arr_Vertex_uint_32
%iVert = OpVariable %_ptr_Input__arr_Vertex_uint_32 Input
%int = OpTypeInt 32 1
%_ptr_Input_int = OpTypePointer Input %int
%gl_InvocationID = OpVariable %_ptr_Input_int Input
%int_0 = OpConstant %int 0
%_ptr_Input_v4float = OpTypePointer Input %v4float
%int_2 = OpConstant %int 2
%int_7 = OpConstant %int 7
%uint_4 = OpConstant %uint 4
%_arr_v4float_uint_4 = OpTypeArray %v4float %uint_4
%_ptr_Output__arr_v4float_uint_4 = OpTypePointer Output %_arr_v4float_uint_4
%position = OpVariable %_ptr_Output__arr_v4float_uint_4 Output
%_ptr_Output_v4float = OpTypePointer Output %v4float
%main = OpFunction %void None %3
%5 = OpLabel
%22 = OpLoad %int %gl_InvocationID
%25 = OpAccessChain %_ptr_Input_v4float %iVert %22 %int_0
%26 = OpLoad %v4float %25
%30 = OpAccessChain %_ptr_Input_v4float %iVert %22 %int_2 %int_7
%31 = OpLoad %v4float %30
%32 = OpFMul %v4float %26 %31
%40 = OpAccessChain %_ptr_Output_v4float %position %22
OpStore %40 %32
OpReturn
OpFunctionEnd
)";
SetTargetEnv(SPV_ENV_VULKAN_1_3);
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
std::unordered_set<uint32_t> live_inputs;
std::unordered_set<uint32_t> live_builtins;
auto result = SinglePassRunToBinary<AnalyzeLiveInputPass>(
text, true, &live_inputs, &live_builtins);
auto itr0 = live_inputs.find(0);
auto itr1 = live_inputs.find(1);
auto itr2 = live_inputs.find(2);
auto itr3 = live_inputs.find(3);
auto itr4 = live_inputs.find(4);
auto itr5 = live_inputs.find(5);
auto itr6 = live_inputs.find(6);
auto itr7 = live_inputs.find(7);
auto itr8 = live_inputs.find(8);
auto itr9 = live_inputs.find(9);
auto itr10 = live_inputs.find(10);
auto itr11 = live_inputs.find(11);
auto itr12 = live_inputs.find(12);
auto itr13 = live_inputs.find(13);
// Expect live_inputs == {1, 12}
EXPECT_TRUE(itr0 == live_inputs.end());
EXPECT_TRUE(itr1 != live_inputs.end());
EXPECT_TRUE(itr2 == live_inputs.end());
EXPECT_TRUE(itr3 == live_inputs.end());
EXPECT_TRUE(itr4 == live_inputs.end());
EXPECT_TRUE(itr5 == live_inputs.end());
EXPECT_TRUE(itr6 == live_inputs.end());
EXPECT_TRUE(itr7 == live_inputs.end());
EXPECT_TRUE(itr8 == live_inputs.end());
EXPECT_TRUE(itr9 == live_inputs.end());
EXPECT_TRUE(itr10 == live_inputs.end());
EXPECT_TRUE(itr11 == live_inputs.end());
EXPECT_TRUE(itr12 != live_inputs.end());
EXPECT_TRUE(itr13 == live_inputs.end());
}
TEST_F(AnalyzeLiveInputTest, Builtins) {
// Tests handling of builtin input seen in Tesc, Tese and Geom shaders.
//
// Should report builtin gl_PointSize only.
//
// #version 460
//
// layout(triangle_strip, max_vertices = 3) out;
// layout(triangles) in;
//
// void main()
// {
// for (int i = 0; i < 3; i++)
// {
// gl_Position = gl_in[i].gl_Position;
// gl_PointSize = gl_in[i].gl_PointSize;
//
// EmitVertex();
// }
//
// EndPrimitive();
// }
const std::string text = R"(
OpCapability Geometry
OpCapability GeometryPointSize
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Geometry %main "main" %_ %gl_in
OpExecutionMode %main Triangles
OpExecutionMode %main Invocations 1
OpExecutionMode %main OutputTriangleStrip
OpExecutionMode %main OutputVertices 3
OpSource GLSL 460
OpName %main "main"
OpName %i "i"
OpName %gl_PerVertex "gl_PerVertex"
OpMemberName %gl_PerVertex 0 "gl_Position"
OpMemberName %gl_PerVertex 1 "gl_PointSize"
OpMemberName %gl_PerVertex 2 "gl_ClipDistance"
OpMemberName %gl_PerVertex 3 "gl_CullDistance"
OpName %_ ""
OpName %gl_PerVertex_0 "gl_PerVertex"
OpMemberName %gl_PerVertex_0 0 "gl_Position"
OpMemberName %gl_PerVertex_0 1 "gl_PointSize"
OpMemberName %gl_PerVertex_0 2 "gl_ClipDistance"
OpMemberName %gl_PerVertex_0 3 "gl_CullDistance"
OpName %gl_in "gl_in"
OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize
OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance
OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance
OpDecorate %gl_PerVertex Block
OpMemberDecorate %gl_PerVertex_0 0 BuiltIn Position
OpMemberDecorate %gl_PerVertex_0 1 BuiltIn PointSize
OpDecorate %gl_PerVertex_0 Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%int = OpTypeInt 32 1
%_ptr_Function_int = OpTypePointer Function %int
%int_0 = OpConstant %int 0
%int_3 = OpConstant %int 3
%bool = OpTypeBool
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%uint = OpTypeInt 32 0
%uint_1 = OpConstant %uint 1
%_arr_float_uint_1 = OpTypeArray %float %uint_1
%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1
%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex
%_ = OpVariable %_ptr_Output_gl_PerVertex Output
%gl_PerVertex_0 = OpTypeStruct %v4float %float
%uint_3 = OpConstant %uint 3
%_arr_gl_PerVertex_0_uint_3 = OpTypeArray %gl_PerVertex_0 %uint_3
%_ptr_Input__arr_gl_PerVertex_0_uint_3 = OpTypePointer Input %_arr_gl_PerVertex_0_uint_3
%gl_in = OpVariable %_ptr_Input__arr_gl_PerVertex_0_uint_3 Input
%_ptr_Input_v4float = OpTypePointer Input %v4float
%_ptr_Output_v4float = OpTypePointer Output %v4float
%int_1 = OpConstant %int 1
%_ptr_Input_float = OpTypePointer Input %float
%_ptr_Output_float = OpTypePointer Output %float
%main = OpFunction %void None %3
%5 = OpLabel
%i = OpVariable %_ptr_Function_int Function
OpStore %i %int_0
OpBranch %10
%10 = OpLabel
OpLoopMerge %12 %13 None
OpBranch %14
%14 = OpLabel
%15 = OpLoad %int %i
%18 = OpSLessThan %bool %15 %int_3
OpBranchConditional %18 %11 %12
%11 = OpLabel
%32 = OpLoad %int %i
%34 = OpAccessChain %_ptr_Input_v4float %gl_in %32 %int_0
%35 = OpLoad %v4float %34
%37 = OpAccessChain %_ptr_Output_v4float %_ %int_0
OpStore %37 %35
%39 = OpLoad %int %i
%41 = OpAccessChain %_ptr_Input_float %gl_in %39 %int_1
%42 = OpLoad %float %41
%44 = OpAccessChain %_ptr_Output_float %_ %int_1
OpStore %44 %42
OpEmitVertex
OpBranch %13
%13 = OpLabel
%45 = OpLoad %int %i
%46 = OpIAdd %int %45 %int_1
OpStore %i %46
OpBranch %10
%12 = OpLabel
OpEndPrimitive
OpReturn
OpFunctionEnd
)";
SetTargetEnv(SPV_ENV_VULKAN_1_3);
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
std::unordered_set<uint32_t> live_inputs;
std::unordered_set<uint32_t> live_builtins;
auto result = SinglePassRunToBinary<AnalyzeLiveInputPass>(
text, true, &live_inputs, &live_builtins);
auto itr0 = live_builtins.find((uint32_t)spv::BuiltIn::PointSize);
auto itr1 = live_builtins.find((uint32_t)spv::BuiltIn::ClipDistance);
auto itr2 = live_builtins.find((uint32_t)spv::BuiltIn::CullDistance);
// Expect live_builtins == { spv::BuiltIn::PointSize }
EXPECT_TRUE(itr0 != live_builtins.end());
EXPECT_TRUE(itr1 == live_builtins.end());
EXPECT_TRUE(itr2 == live_builtins.end());
}
TEST_F(AnalyzeLiveInputTest, ArrayedInputPatchLocs) {
// Tests handling of locs with arrayed input patch seen in Tese
//
// Should report location {3}.
//
// #version 450 core
//
// layout(triangles, ccw) in;
//
// layout(fractional_odd_spacing) in;
//
// layout(point_mode) in;
//
// layout(location=2) patch in float patchIn1[2];
//
// void main()
// {
// vec4 p = gl_in[1].gl_Position;
// gl_Position = p * patchIn1[1];
// }
const std::string text = R"(
OpCapability Tessellation
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint TessellationEvaluation %main "main" %gl_in %_ %patchIn1
OpExecutionMode %main Triangles
OpExecutionMode %main SpacingFractionalOdd
OpExecutionMode %main VertexOrderCcw
OpExecutionMode %main PointMode
OpSource GLSL 450
OpName %main "main"
OpName %p "p"
OpName %gl_PerVertex "gl_PerVertex"
OpMemberName %gl_PerVertex 0 "gl_Position"
OpName %gl_in "gl_in"
OpName %gl_PerVertex_0 "gl_PerVertex"
OpMemberName %gl_PerVertex_0 0 "gl_Position"
OpName %_ ""
OpName %patchIn1 "patchIn1"
OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
OpDecorate %gl_PerVertex Block
OpMemberDecorate %gl_PerVertex_0 0 BuiltIn Position
OpDecorate %gl_PerVertex_0 Block
OpDecorate %patchIn1 Patch
OpDecorate %patchIn1 Location 2
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Function_v4float = OpTypePointer Function %v4float
%uint = OpTypeInt 32 0
%uint_1 = OpConstant %uint 1
%_arr_float_uint_1 = OpTypeArray %float %uint_1
%gl_PerVertex = OpTypeStruct %v4float
%uint_32 = OpConstant %uint 32
%_arr_gl_PerVertex_uint_32 = OpTypeArray %gl_PerVertex %uint_32
%_ptr_Input__arr_gl_PerVertex_uint_32 = OpTypePointer Input %_arr_gl_PerVertex_uint_32
%gl_in = OpVariable %_ptr_Input__arr_gl_PerVertex_uint_32 Input
%int = OpTypeInt 32 1
%int_1 = OpConstant %int 1
%int_0 = OpConstant %int 0
%_ptr_Input_v4float = OpTypePointer Input %v4float
%gl_PerVertex_0 = OpTypeStruct %v4float
%_ptr_Output_gl_PerVertex_0 = OpTypePointer Output %gl_PerVertex_0
%_ = OpVariable %_ptr_Output_gl_PerVertex_0 Output
%uint_2 = OpConstant %uint 2
%_arr_float_uint_2 = OpTypeArray %float %uint_2
%_ptr_Input__arr_float_uint_2 = OpTypePointer Input %_arr_float_uint_2
%patchIn1 = OpVariable %_ptr_Input__arr_float_uint_2 Input
%_ptr_Input_float = OpTypePointer Input %float
%_ptr_Output_v4float = OpTypePointer Output %v4float
%main = OpFunction %void None %3
%5 = OpLabel
%p = OpVariable %_ptr_Function_v4float Function
%22 = OpAccessChain %_ptr_Input_v4float %gl_in %int_1 %int_0
%23 = OpLoad %v4float %22
OpStore %p %23
%27 = OpLoad %v4float %p
%33 = OpAccessChain %_ptr_Input_float %patchIn1 %int_1
%34 = OpLoad %float %33
%35 = OpVectorTimesScalar %v4float %27 %34
%37 = OpAccessChain %_ptr_Output_v4float %_ %int_0
OpStore %37 %35
OpReturn
OpFunctionEnd
)";
SetTargetEnv(SPV_ENV_VULKAN_1_3);
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
std::unordered_set<uint32_t> live_inputs;
std::unordered_set<uint32_t> live_builtins;
auto result = SinglePassRunToBinary<AnalyzeLiveInputPass>(
text, true, &live_inputs, &live_builtins);
auto itr0 = live_inputs.find(0);
auto itr1 = live_inputs.find(1);
auto itr2 = live_inputs.find(2);
auto itr3 = live_inputs.find(3);
// Expect live_inputs == {3}
EXPECT_TRUE(itr0 == live_inputs.end());
EXPECT_TRUE(itr1 == live_inputs.end());
EXPECT_TRUE(itr2 == live_inputs.end());
EXPECT_TRUE(itr3 != live_inputs.end());
}
TEST_F(AnalyzeLiveInputTest, FragMultipleLocationsF16) {
// Should report locations {2, 5}
//
// #version 450
//
// layout(location = 2) in Vertex
// {
// f16vec4 color0;
// f16vec4 color1;
// f16vec4 color2[3];
// } iVert;
//
// layout(location = 0) out f16vec4 oFragColor;
//
// void main()
// {
// oFragColor = iVert.color0 + iVert.color2[1];
// }
const std::string text = R"(
OpCapability Shader
OpCapability Float16
OpCapability StorageInputOutput16
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %oFragColor %iVert
OpExecutionMode %main OriginUpperLeft
OpSource GLSL 450
OpName %main "main"
OpName %oFragColor "oFragColor"
OpName %Vertex "Vertex"
OpMemberName %Vertex 0 "color0"
OpMemberName %Vertex 1 "color1"
OpMemberName %Vertex 2 "color2"
OpName %iVert "iVert"
OpDecorate %oFragColor Location 0
OpDecorate %Vertex Block
OpDecorate %iVert Location 2
%void = OpTypeVoid
%3 = OpTypeFunction %void
%half = OpTypeFloat 16
%v4half = OpTypeVector %half 4
%_ptr_Output_v4half = OpTypePointer Output %v4half
%oFragColor = OpVariable %_ptr_Output_v4half Output
%uint = OpTypeInt 32 0
%uint_3 = OpConstant %uint 3
%_arr_v4half_uint_3 = OpTypeArray %v4half %uint_3
%Vertex = OpTypeStruct %v4half %v4half %_arr_v4half_uint_3
%_ptr_Input_Vertex = OpTypePointer Input %Vertex
%iVert = OpVariable %_ptr_Input_Vertex Input
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%_ptr_Input_v4half = OpTypePointer Input %v4half
%int_2 = OpConstant %int 2
%int_1 = OpConstant %int 1
%main = OpFunction %void None %3
%5 = OpLabel
%19 = OpAccessChain %_ptr_Input_v4half %iVert %int_0
%20 = OpLoad %v4half %19
%23 = OpAccessChain %_ptr_Input_v4half %iVert %int_2 %int_1
%24 = OpLoad %v4half %23
%25 = OpFAdd %v4half %20 %24
OpStore %oFragColor %25
OpReturn
OpFunctionEnd
)";
SetTargetEnv(SPV_ENV_VULKAN_1_3);
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
std::unordered_set<uint32_t> live_inputs;
std::unordered_set<uint32_t> live_builtins;
auto result = SinglePassRunToBinary<AnalyzeLiveInputPass>(
text, true, &live_inputs, &live_builtins);
auto itr0 = live_inputs.find(0);
auto itr1 = live_inputs.find(1);
auto itr2 = live_inputs.find(2);
auto itr3 = live_inputs.find(3);
auto itr4 = live_inputs.find(4);
auto itr5 = live_inputs.find(5);
auto itr6 = live_inputs.find(6);
// Expect live_inputs == {2, 5}
EXPECT_TRUE(itr0 == live_inputs.end());
EXPECT_TRUE(itr1 == live_inputs.end());
EXPECT_TRUE(itr2 != live_inputs.end());
EXPECT_TRUE(itr3 == live_inputs.end());
EXPECT_TRUE(itr4 == live_inputs.end());
EXPECT_TRUE(itr5 != live_inputs.end());
EXPECT_TRUE(itr6 == live_inputs.end());
}
} // namespace
} // namespace opt
} // namespace spvtools
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