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/*
* Copyright (c) 2020-2025 The Khronos Group Inc.
* Copyright (c) 2020-2025 Valve Corporation
* Copyright (c) 2020-2025 LunarG, Inc.
* Copyright (c) 2020-2025 Google, 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
*/
#include "../framework/layer_validation_tests.h"
#include "../framework/pipeline_helper.h"
#include "../framework/descriptor_helper.h"
class PositiveGpuAVDescriptorClassTexelBuffer : public GpuAVTest {};
TEST_F(PositiveGpuAVDescriptorClassTexelBuffer, ImageLoadStoreTexelFetch) {
TEST_DESCRIPTION("index into an image Load, Store, and texelFetch");
SetTargetApiVersion(VK_API_VERSION_1_2);
RETURN_IF_SKIP(InitGpuAvFramework());
RETURN_IF_SKIP(InitState());
char const *cs_source = R"glsl(
#version 450
layout(set = 0, binding = 0) uniform samplerBuffer u_buffer; // texel_buffer[5]
layout(set = 0, binding = 1, r32f) uniform imageBuffer s_buffer; // texel_buffer[6]
void main() {
vec4 x = texelFetch(u_buffer, 4);
x *= imageLoad(s_buffer, 5);
imageStore(s_buffer, 5, x);
}
)glsl";
CreateComputePipelineHelper pipe(*this);
pipe.dsl_bindings_ = {{0, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr},
{1, VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr}};
pipe.cs_ = VkShaderObj(this, cs_source, VK_SHADER_STAGE_COMPUTE_BIT, SPV_ENV_VULKAN_1_2);
pipe.CreateComputePipeline();
vkt::Buffer uniform_texel_buffer(*m_device, 20, VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT, kHostVisibleMemProps);
vkt::BufferView uniform_buffer_view(*m_device, uniform_texel_buffer, VK_FORMAT_R32_SFLOAT);
vkt::Buffer storage_texel_buffer(*m_device, 24, VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT, kHostVisibleMemProps);
vkt::BufferView storage_buffer_view(*m_device, storage_texel_buffer, VK_FORMAT_R32_SFLOAT);
pipe.descriptor_set_.WriteDescriptorBufferView(0, uniform_buffer_view, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER);
pipe.descriptor_set_.WriteDescriptorBufferView(1, storage_buffer_view, VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER);
pipe.descriptor_set_.UpdateDescriptorSets();
m_command_buffer.Begin();
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe);
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe.pipeline_layout_, 0, 1,
&pipe.descriptor_set_.set_, 0, nullptr);
vk::CmdDispatch(m_command_buffer, 1, 1, 1);
m_command_buffer.End();
m_default_queue->SubmitAndWait(m_command_buffer);
}
TEST_F(PositiveGpuAVDescriptorClassTexelBuffer, AtomicImageLoadStore) {
TEST_DESCRIPTION("index into an atomic image Load and Store");
SetTargetApiVersion(VK_API_VERSION_1_2);
AddRequiredExtensions(VK_EXT_SHADER_ATOMIC_FLOAT_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::shaderImageFloat32Atomics);
RETURN_IF_SKIP(InitGpuAvFramework());
RETURN_IF_SKIP(InitState());
// Not sure if anyone actually support buffer texel on atomic
if ((m_device->FormatFeaturesBuffer(VK_FORMAT_R32_SFLOAT) & VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT) == 0) {
GTEST_SKIP() << "No atomic texel buffer support";
}
char const *cs_source = R"glsl(
#version 450
#extension GL_KHR_memory_scope_semantics : enable
#extension GL_EXT_shader_atomic_float : enable
layout(set = 0, binding = 0, r32f) uniform imageBuffer s_buffer; // texel_buffer[4]
void main() {
float x = imageAtomicLoad(s_buffer, 3, gl_ScopeDevice, gl_StorageSemanticsImage, gl_SemanticsRelaxed);
imageAtomicStore(s_buffer, 3, x, gl_ScopeDevice, gl_StorageSemanticsImage, gl_SemanticsRelaxed);
}
)glsl";
CreateComputePipelineHelper pipe(*this);
pipe.dsl_bindings_[0] = {0, VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr};
pipe.cs_ = VkShaderObj(this, cs_source, VK_SHADER_STAGE_COMPUTE_BIT, SPV_ENV_VULKAN_1_2);
pipe.CreateComputePipeline();
vkt::Buffer storage_texel_buffer(*m_device, 16, VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT, kHostVisibleMemProps);
vkt::BufferView storage_buffer_view(*m_device, storage_texel_buffer, VK_FORMAT_R32_SFLOAT);
pipe.descriptor_set_.WriteDescriptorBufferView(0, storage_buffer_view, VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER);
pipe.descriptor_set_.UpdateDescriptorSets();
m_command_buffer.Begin();
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe);
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe.pipeline_layout_, 0, 1,
&pipe.descriptor_set_.set_, 0, nullptr);
vk::CmdDispatch(m_command_buffer, 1, 1, 1);
m_command_buffer.End();
m_default_queue->SubmitAndWait(m_command_buffer);
}
TEST_F(PositiveGpuAVDescriptorClassTexelBuffer, TexelFetchArray) {
TEST_DESCRIPTION("index into texelFetch OOB for an array of TexelBuffers");
SetTargetApiVersion(VK_API_VERSION_1_2);
RETURN_IF_SKIP(InitGpuAvFramework());
RETURN_IF_SKIP(InitState());
char const *cs_source = R"glsl(
#version 450
layout(set = 0, binding = 0, std430) buffer foo {
vec4 a;
vec4 b;
} out_buffer;
layout(set = 0, binding = 1) uniform samplerBuffer u_buffer[2];
void main() {
out_buffer.a = texelFetch(u_buffer[0], 4); // valid
// Will not ever get into this check
if (gl_WorkGroupID.x == 987) {
out_buffer.b = texelFetch(u_buffer[1], 4); // invalid
}
}
)glsl";
CreateComputePipelineHelper pipe(*this);
pipe.dsl_bindings_ = {{0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr},
{1, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 2, VK_SHADER_STAGE_ALL, nullptr}};
pipe.cs_ = VkShaderObj(this, cs_source, VK_SHADER_STAGE_COMPUTE_BIT, SPV_ENV_VULKAN_1_2);
pipe.CreateComputePipeline();
vkt::Buffer out_buffer(*m_device, 32, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, kHostVisibleMemProps);
vkt::Buffer uniform_texel_buffer(*m_device, 1024, VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT, kHostVisibleMemProps);
VkBufferViewCreateInfo bvci = vku::InitStructHelper();
bvci.buffer = uniform_texel_buffer;
bvci.format = VK_FORMAT_R32_SFLOAT;
bvci.range = VK_WHOLE_SIZE;
vkt::BufferView full_buffer_view(*m_device, bvci);
bvci.range = 16; // only fills 4, but are accessing index[4]
vkt::BufferView partial_buffer_view(*m_device, bvci);
pipe.descriptor_set_.WriteDescriptorBufferInfo(0, out_buffer, 0, VK_WHOLE_SIZE, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER);
pipe.descriptor_set_.WriteDescriptorBufferView(1, full_buffer_view, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 0);
pipe.descriptor_set_.WriteDescriptorBufferView(1, partial_buffer_view, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1);
pipe.descriptor_set_.UpdateDescriptorSets();
m_command_buffer.Begin();
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe);
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe.pipeline_layout_, 0, 1,
&pipe.descriptor_set_.set_, 0, nullptr);
vk::CmdDispatch(m_command_buffer, 1, 1, 1);
m_command_buffer.End();
m_default_queue->SubmitAndWait(m_command_buffer);
}
TEST_F(PositiveGpuAVDescriptorClassTexelBuffer, Robustness) {
TEST_DESCRIPTION("Use robustness to prevent crash and have no error");
SetTargetApiVersion(VK_API_VERSION_1_2);
AddRequiredFeature(vkt::Feature::robustBufferAccess);
RETURN_IF_SKIP(InitGpuAvFramework());
RETURN_IF_SKIP(InitState());
char const *cs_source = R"glsl(
#version 450
layout(set = 0, binding = 0) uniform samplerBuffer u_buffer; // texel_buffer[5]
layout(set = 0, binding = 1, r32f) uniform imageBuffer s_buffer; // texel_buffer[6]
void main() {
vec4 x = texelFetch(u_buffer, 64);
x *= imageLoad(s_buffer, 128);
imageStore(s_buffer, 512, x);
}
)glsl";
CreateComputePipelineHelper pipe(*this);
pipe.dsl_bindings_ = {{0, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr},
{1, VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr}};
pipe.cs_ = VkShaderObj(this, cs_source, VK_SHADER_STAGE_COMPUTE_BIT, SPV_ENV_VULKAN_1_2);
pipe.CreateComputePipeline();
vkt::Buffer uniform_texel_buffer(*m_device, 16, VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT, kHostVisibleMemProps);
vkt::BufferView uniform_buffer_view(*m_device, uniform_texel_buffer, VK_FORMAT_R32_SFLOAT);
vkt::Buffer storage_texel_buffer(*m_device, 16, VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT, kHostVisibleMemProps);
vkt::BufferView storage_buffer_view(*m_device, storage_texel_buffer, VK_FORMAT_R32_SFLOAT);
pipe.descriptor_set_.WriteDescriptorBufferView(0, uniform_buffer_view, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER);
pipe.descriptor_set_.WriteDescriptorBufferView(1, storage_buffer_view, VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER);
pipe.descriptor_set_.UpdateDescriptorSets();
m_command_buffer.Begin();
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe);
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipe.pipeline_layout_, 0, 1,
&pipe.descriptor_set_.set_, 0, nullptr);
vk::CmdDispatch(m_command_buffer, 1, 1, 1);
m_command_buffer.End();
m_default_queue->SubmitAndWait(m_command_buffer);
}
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