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/*
* Copyright (c) 2015-2025 The Khronos Group Inc.
* Copyright (c) 2015-2025 Valve Corporation
* Copyright (c) 2015-2025 LunarG, Inc.
* Copyright (c) 2015-2025 Google, Inc.
* Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
*
* 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
*/
#include "../framework/layer_validation_tests.h"
#include "../framework/pipeline_helper.h"
class NegativeShaderLimits : public VkLayerTest {};
TEST_F(NegativeShaderLimits, MaxSampleMaskWordsInput) {
TEST_DESCRIPTION("Test limit of maxSampleMaskWords.");
RETURN_IF_SKIP(Init());
InitRenderTarget();
if (m_device->Physical().limits_.maxSampleMaskWords > 1) {
GTEST_SKIP() << "maxSampleMaskWords is greater than 1";
}
// layout(location = 0) out vec4 uFragColor;
// void main(){
// int x = gl_SampleMaskIn[3]; // Exceed sample mask input array size
// uFragColor = vec4(0,1,0,1) * x;
// }
char const *source = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %gl_SampleMaskIn %uFragColor
OpExecutionMode %main OriginUpperLeft
OpDecorate %gl_SampleMaskIn Flat
OpDecorate %gl_SampleMaskIn BuiltIn SampleMask
OpDecorate %uFragColor Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%int = OpTypeInt 32 1
%_ptr_Function_int = OpTypePointer Function %int
%uint = OpTypeInt 32 0
%uint_4 = OpConstant %uint 4
%_arr_int_uint_4 = OpTypeArray %int %uint_4
%_ptr_Input__arr_int_uint_4 = OpTypePointer Input %_arr_int_uint_4
%gl_SampleMaskIn = OpVariable %_ptr_Input__arr_int_uint_4 Input
%int_3 = OpConstant %int 3
%_ptr_Input_int = OpTypePointer Input %int
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%uFragColor = OpVariable %_ptr_Output_v4float Output
%float_0 = OpConstant %float 0
%float_1 = OpConstant %float 1
%24 = OpConstantComposite %v4float %float_0 %float_1 %float_0 %float_1
%main = OpFunction %void None %3
%5 = OpLabel
%x = OpVariable %_ptr_Function_int Function
%16 = OpAccessChain %_ptr_Input_int %gl_SampleMaskIn %int_3
%17 = OpLoad %int %16
OpStore %x %17
%25 = OpLoad %int %x
%26 = OpConvertSToF %float %25
%27 = OpVectorTimesScalar %v4float %24 %26
OpStore %uFragColor %27
OpReturn
OpFunctionEnd
)";
VkShaderObj fs(this, source, VK_SHADER_STAGE_FRAGMENT_BIT, SPV_ENV_VULKAN_1_0, SPV_SOURCE_ASM);
const auto inputPipeline = [&](CreatePipelineHelper &helper) {
helper.shader_stages_ = {helper.vs_->GetStageCreateInfo(), fs.GetStageCreateInfo()};
};
CreatePipelineHelper::OneshotTest(*this, inputPipeline, kErrorBit,
"VUID-VkPipelineShaderStageCreateInfo-maxSampleMaskWords-00711");
}
TEST_F(NegativeShaderLimits, MaxSampleMaskWordsOutput) {
TEST_DESCRIPTION("Test limit of maxSampleMaskWords.");
RETURN_IF_SKIP(Init());
InitRenderTarget();
if (m_device->Physical().limits_.maxSampleMaskWords > 1) {
GTEST_SKIP() << "maxSampleMaskWords is greater than 1";
}
// layout(location = 0) out vec4 uFragColor;
// void main(){
// gl_SampleMask[3] = 1; // Exceed sample mask output array size
// uFragColor = vec4(0,1,0,1);
// }
char const *source = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %gl_SampleMask %uFragColor
OpExecutionMode %main OriginUpperLeft
OpDecorate %gl_SampleMask BuiltIn SampleMask
OpDecorate %uFragColor Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%int = OpTypeInt 32 1
%uint = OpTypeInt 32 0
%uint_4 = OpConstant %uint 4
%_arr_int_uint_4 = OpTypeArray %int %uint_4
%_ptr_Output__arr_int_uint_4 = OpTypePointer Output %_arr_int_uint_4
%gl_SampleMask = OpVariable %_ptr_Output__arr_int_uint_4 Output
%int_3 = OpConstant %int 3
%int_1 = OpConstant %int 1
%_ptr_Output_int = OpTypePointer Output %int
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%uFragColor = OpVariable %_ptr_Output_v4float Output
%float_0 = OpConstant %float 0
%float_1 = OpConstant %float 1
%22 = OpConstantComposite %v4float %float_0 %float_1 %float_0 %float_1
%main = OpFunction %void None %3
%5 = OpLabel
%15 = OpAccessChain %_ptr_Output_int %gl_SampleMask %int_3
OpStore %15 %int_1
OpStore %uFragColor %22
OpReturn
OpFunctionEnd
)";
VkShaderObj fs(this, source, VK_SHADER_STAGE_FRAGMENT_BIT, SPV_ENV_VULKAN_1_0, SPV_SOURCE_ASM);
const auto outputPipeline = [&](CreatePipelineHelper &helper) {
helper.shader_stages_ = {helper.vs_->GetStageCreateInfo(), fs.GetStageCreateInfo()};
};
CreatePipelineHelper::OneshotTest(*this, outputPipeline, kErrorBit,
"VUID-VkPipelineShaderStageCreateInfo-maxSampleMaskWords-00711");
}
TEST_F(NegativeShaderLimits, MinAndMaxTexelGatherOffset) {
TEST_DESCRIPTION("Test shader with offset less than minTexelGatherOffset and greather than maxTexelGatherOffset");
RETURN_IF_SKIP(Init());
if (m_device->Physical().limits_.minTexelGatherOffset <= -100 || m_device->Physical().limits_.maxTexelGatherOffset >= 100) {
GTEST_SKIP() << "test needs minTexelGatherOffset greater than -100 and maxTexelGatherOffset less than 100";
}
const char *spv_source = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main"
OpExecutionMode %main LocalSize 1 1 1
OpSource GLSL 450
; Annotations
OpDecorate %samp DescriptorSet 0
OpDecorate %samp Binding 0
; Types, variables and constants
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Function_v4float = OpTypePointer Function %v4float
%10 = OpTypeImage %float 2D 0 0 0 1 Unknown
%11 = OpTypeSampledImage %10
%_ptr_UniformConstant_11 = OpTypePointer UniformConstant %11
%samp = OpVariable %_ptr_UniformConstant_11 UniformConstant
%v2float = OpTypeVector %float 2
%float_0_5 = OpConstant %float 0.5
%17 = OpConstantComposite %v2float %float_0_5 %float_0_5
; set up composite to be validated
%uint = OpTypeInt 32 0
%int = OpTypeInt 32 1
%v2uint = OpTypeVector %uint 2
%v2int = OpTypeVector %int 2
%int_n100 = OpConstant %int -100
%uint_n100 = OpConstant %uint 4294967196
%int_100 = OpConstant %int 100
%uint_0 = OpConstant %uint 0
%int_0 = OpConstant %int 0
%offset_100 = OpConstantComposite %v2int %int_n100 %int_100
%offset_n100 = OpConstantComposite %v2uint %uint_0 %uint_n100
; Function main
%main = OpFunction %void None %3
%5 = OpLabel
%color = OpVariable %_ptr_Function_v4float Function
%14 = OpLoad %11 %samp
; Should trigger min and max
%24 = OpImageGather %v4float %14 %17 %int_0 ConstOffset %offset_100
; Should only trigger max since uint
%25 = OpImageGather %v4float %14 %17 %int_0 ConstOffset %offset_n100
OpStore %color %24
OpReturn
OpFunctionEnd
)";
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-OpImage-06376");
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-OpImage-06377");
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-OpImage-06377");
auto cs = VkShaderObj::CreateFromASM(this, spv_source, VK_SHADER_STAGE_COMPUTE_BIT);
m_errorMonitor->VerifyFound();
}
TEST_F(NegativeShaderLimits, MinAndMaxTexelOffset) {
TEST_DESCRIPTION("Test shader with offset less than minTexelOffset and greather than maxTexelOffset");
RETURN_IF_SKIP(Init());
InitRenderTarget();
if (m_device->Physical().limits_.minTexelOffset <= -100 || m_device->Physical().limits_.maxTexelOffset >= 100) {
GTEST_SKIP() << "test needs minTexelGatherOffset greater than -100 and maxTexelGatherOffset less than 100";
}
const char *spv_source = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpSource GLSL 450
OpDecorate %textureSampler DescriptorSet 0
OpDecorate %textureSampler Binding 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Function_v4float = OpTypePointer Function %v4float
%10 = OpTypeImage %float 2D 0 0 0 1 Unknown
%11 = OpTypeSampledImage %10
%_ptr_UniformConstant_11 = OpTypePointer UniformConstant %11
%textureSampler = OpVariable %_ptr_UniformConstant_11 UniformConstant
%v2float = OpTypeVector %float 2
%float_0 = OpConstant %float 0
%17 = OpConstantComposite %v2float %float_0 %float_0
; set up composite to be validated
%uint = OpTypeInt 32 0
%int = OpTypeInt 32 1
%v2uint = OpTypeVector %uint 2
%v2int = OpTypeVector %int 2
%uint_0 = OpConstant %uint 0
%int_0 = OpConstant %int 0
%int_n100 = OpConstant %int -100
%uint_n100 = OpConstant %uint 4294967196
%int_100 = OpConstant %int 100
%offset_100 = OpConstantComposite %v2int %int_n100 %int_100
%offset_n100 = OpConstantComposite %v2uint %uint_0 %uint_n100
%24 = OpConstantComposite %v2int %int_0 %int_0
%main = OpFunction %void None %3
%label = OpLabel
%14 = OpLoad %11 %textureSampler
%26 = OpImage %10 %14
; Should trigger min and max
%result0 = OpImageSampleImplicitLod %v4float %14 %17 ConstOffset %offset_100
%result1 = OpImageFetch %v4float %26 %24 ConstOffset %offset_100
; Should only trigger max since uint
%result2 = OpImageSampleImplicitLod %v4float %14 %17 ConstOffset %offset_n100
%result3 = OpImageFetch %v4float %26 %24 ConstOffset %offset_n100
OpReturn
OpFunctionEnd
)";
// OpImageSampleImplicitLod
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-OpImageSample-06435");
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-OpImageSample-06436", 2);
// OpImageFetch
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-OpImageSample-06435");
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-OpImageSample-06436", 2);
VkShaderObj const fs(this, spv_source, VK_SHADER_STAGE_FRAGMENT_BIT, SPV_ENV_VULKAN_1_0, SPV_SOURCE_ASM);
m_errorMonitor->VerifyFound();
}
TEST_F(NegativeShaderLimits, MaxFragmentDualSrcAttachments) {
TEST_DESCRIPTION("Test drawing with dual source blending with too many fragment output attachments.");
SetTargetApiVersion(VK_API_VERSION_1_1);
AddRequiredFeature(vkt::Feature::dualSrcBlend);
AddRequiredFeature(vkt::Feature::independentBlend);
RETURN_IF_SKIP(Init());
const uint32_t count = m_device->Physical().limits_.maxFragmentDualSrcAttachments + 1;
if (count != 2) {
GTEST_SKIP() << "Test is designed for a maxFragmentDualSrcAttachments of 1";
}
InitRenderTarget(count);
const char *fs_src = R"glsl(
#version 460
layout(location = 0) out vec4 c0;
layout(location = 1) out vec4 c1;
void main() {
c0 = vec4(0.0f);
c1 = vec4(0.0f);
}
)glsl";
VkShaderObj fs(this, fs_src, VK_SHADER_STAGE_FRAGMENT_BIT);
VkPipelineColorBlendAttachmentState color_blend[2] = {};
color_blend[0] = DefaultColorBlendAttachmentState();
color_blend[1] = DefaultColorBlendAttachmentState();
color_blend[1].srcColorBlendFactor = VK_BLEND_FACTOR_SRC1_COLOR; // bad!
CreatePipelineHelper pipe(*this);
pipe.cb_ci_.attachmentCount = 2;
pipe.cb_ci_.pAttachments = color_blend;
pipe.shader_stages_ = {pipe.vs_->GetStageCreateInfo(), fs.GetStageCreateInfo()};
pipe.CreateGraphicsPipeline();
m_command_buffer.Begin();
m_command_buffer.BeginRenderPass(m_renderPassBeginInfo);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
m_errorMonitor->SetDesiredError("VUID-vkCmdDraw-maxFragmentDualSrcAttachments-09239");
vk::CmdDraw(m_command_buffer, 3, 1, 0, 0);
m_errorMonitor->VerifyFound();
m_command_buffer.EndRenderPass();
m_command_buffer.End();
}
TEST_F(NegativeShaderLimits, OffsetMaxComputeSharedMemorySize) {
TEST_DESCRIPTION("Have an offset that is over maxComputeSharedMemorySize");
// need at least SPIR-V 1.4 for SPV_KHR_workgroup_memory_explicit_layout
SetTargetApiVersion(VK_API_VERSION_1_2);
AddRequiredExtensions(VK_KHR_WORKGROUP_MEMORY_EXPLICIT_LAYOUT_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::workgroupMemoryExplicitLayout);
RETURN_IF_SKIP(Init());
const uint32_t max_shared_memory_size = m_device->Physical().limits_.maxComputeSharedMemorySize;
// layout(constant_id = 0) const uint value = 4;
// shared X {
// vec4 x1[value];
// layout(offset = OVER_LIMIT) vec4 x2;
// };
std::stringstream csSource;
csSource << R"asm(
OpCapability Shader
OpCapability WorkgroupMemoryExplicitLayoutKHR
OpExtension "SPV_KHR_workgroup_memory_explicit_layout"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main" %_
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %value SpecId 0
OpDecorate %_arr_v4float_value ArrayStride 16
OpMemberDecorate %X 0 Offset 0
OpMemberDecorate %X 1 Offset )asm";
// will be over the max if the spec constant uses default value
csSource << (max_shared_memory_size + 16);
csSource << R"asm(
OpDecorate %X Block
%void = OpTypeVoid
%3 = OpTypeFunction %void
%uint = OpTypeInt 32 0
%value = OpSpecConstant %uint 1
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_arr_v4float_value = OpTypeArray %v4float %value
%X = OpTypeStruct %_arr_v4float_value %v4float
%_ptr_Workgroup_X = OpTypePointer Workgroup %X
%_ = OpVariable %_ptr_Workgroup_X Workgroup
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)asm";
CreateComputePipelineHelper pipe(*this);
pipe.cs_ = VkShaderObj(this, csSource.str().c_str(), VK_SHADER_STAGE_COMPUTE_BIT, SPV_ENV_VULKAN_1_2,
SPV_SOURCE_ASM);
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-Workgroup-06530");
pipe.CreateComputePipeline();
m_errorMonitor->VerifyFound();
}
TEST_F(NegativeShaderLimits, MaxComputeSharedMemorySizeArrayStride) {
// need at least SPIR-V 1.4 for SPV_KHR_workgroup_memory_explicit_layout
SetTargetApiVersion(VK_API_VERSION_1_2);
AddRequiredExtensions(VK_KHR_WORKGROUP_MEMORY_EXPLICIT_LAYOUT_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::workgroupMemoryExplicitLayout);
RETURN_IF_SKIP(Init());
const uint32_t max_shared_memory_size = m_device->Physical().limits_.maxComputeSharedMemorySize;
// shared X {
// float x1[]; // ArrayStride 16, not 4
// };
std::stringstream csSource;
csSource << R"asm(
OpCapability Shader
OpCapability WorkgroupMemoryExplicitLayoutKHR
OpExtension "SPV_KHR_workgroup_memory_explicit_layout"
%2 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %main "main" %_
OpExecutionMode %main LocalSize 1 1 1
OpDecorate %_arr_float_uint ArrayStride 16
OpDecorate %X Block
OpMemberDecorate %X 0 Offset 0
%void = OpTypeVoid
%4 = OpTypeFunction %void
%float = OpTypeFloat 32
%uint = OpTypeInt 32 0
%uint_size = OpConstant %uint )asm";
csSource << (max_shared_memory_size / 16) + 2;
csSource << R"asm(
%_arr_float_uint = OpTypeArray %float %uint_size
%X = OpTypeStruct %_arr_float_uint
%_ptr_Workgroup_X = OpTypePointer Workgroup %X
%_ = OpVariable %_ptr_Workgroup_X Workgroup
%main = OpFunction %void None %4
%6 = OpLabel
OpReturn
OpFunctionEnd
)asm";
CreateComputePipelineHelper pipe(*this);
pipe.cs_ = VkShaderObj(this, csSource.str().c_str(), VK_SHADER_STAGE_COMPUTE_BIT, SPV_ENV_VULKAN_1_2,
SPV_SOURCE_ASM);
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-Workgroup-06530");
pipe.CreateComputePipeline();
m_errorMonitor->VerifyFound();
}
TEST_F(NegativeShaderLimits, MaxFragmentOutputAttachments) {
RETURN_IF_SKIP(Init());
if (m_device->Physical().limits_.maxFragmentOutputAttachments != 4) {
GTEST_SKIP() << "maxFragmentOutputAttachments is not 4";
}
char const *fsSource = R"glsl(
#version 450
layout(location=0) out vec4 c0;
layout(location=1) out vec4 c1;
layout(location=2) out vec4 c2;
layout(location=3) out vec4 c3;
layout(location=4) out vec4 c4;
void main(){
c0 = vec4(1.0);
c1 = vec4(1.0);
c2 = vec4(1.0);
c3 = vec4(1.0);
c4 = vec4(1.0);
}
)glsl";
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-Location-06272");
VkShaderObj fs(this, fsSource, VK_SHADER_STAGE_FRAGMENT_BIT);
m_errorMonitor->VerifyFound();
}
TEST_F(NegativeShaderLimits, MaxFragmentOutputAttachmentsArray) {
RETURN_IF_SKIP(Init());
if (m_device->Physical().limits_.maxFragmentOutputAttachments != 4) {
GTEST_SKIP() << "maxFragmentOutputAttachments is not 4";
}
char const *fsSource = R"glsl(
#version 450
layout(location=0) out vec4 c[5];
void main(){
c[4] = vec4(1.0);
}
)glsl";
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-Location-06272");
VkShaderObj fs(this, fsSource, VK_SHADER_STAGE_FRAGMENT_BIT);
m_errorMonitor->VerifyFound();
}
TEST_F(NegativeShaderLimits, MaxFragmentOutputAttachmentsArrayAtEnd) {
RETURN_IF_SKIP(Init());
if (m_device->Physical().limits_.maxFragmentOutputAttachments != 4) {
GTEST_SKIP() << "maxFragmentOutputAttachments is not 4";
}
char const *fsSource = R"glsl(
#version 450
layout(location=3) out vec4 c[2];
void main(){
c[1] = vec4(1.0);
}
)glsl";
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-Location-06272");
VkShaderObj fs(this, fsSource, VK_SHADER_STAGE_FRAGMENT_BIT);
m_errorMonitor->VerifyFound();
}
TEST_F(NegativeShaderLimits, MaxFragmentCombinedOutputResources) {
RETURN_IF_SKIP(InitFramework());
PFN_vkSetPhysicalDeviceLimitsEXT fpvkSetPhysicalDeviceLimitsEXT = nullptr;
PFN_vkGetOriginalPhysicalDeviceLimitsEXT fpvkGetOriginalPhysicalDeviceLimitsEXT = nullptr;
if (!LoadDeviceProfileLayer(fpvkSetPhysicalDeviceLimitsEXT, fpvkGetOriginalPhysicalDeviceLimitsEXT)) {
GTEST_SKIP() << "Failed to load device profile layer.";
}
VkPhysicalDeviceProperties props;
fpvkGetOriginalPhysicalDeviceLimitsEXT(Gpu(), &props.limits);
props.limits.maxFragmentCombinedOutputResources = 4;
fpvkSetPhysicalDeviceLimitsEXT(Gpu(), &props.limits);
RETURN_IF_SKIP(InitState());
char const *fsSource = R"glsl(
#version 450
layout(set = 0, binding=0) buffer SSBO_0 {
uint a;
};
layout(set = 0, binding=3) buffer SSBO_1 {
uint b;
};
layout(set = 0, binding = 4, r32f) uniform imageBuffer s_buffer;
layout(location=1) out vec4 color_0;
layout(location=3) out vec4 color_1;
void main(){
color_0 = vec4(1.0);
color_1 = vec4(1.0);
a = b;
imageStore(s_buffer, 0, vec4(1.0));
}
)glsl";
m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-Location-06428");
VkShaderObj fs(this, fsSource, VK_SHADER_STAGE_FRAGMENT_BIT);
m_errorMonitor->VerifyFound();
}
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