blob: 85d1dc35ab71e1eb53168ea1f789dc0a9d0e1790 [file] [log] [blame]
/* Copyright (c) 2015-2019 The Khronos Group Inc.
* Copyright (c) 2015-2019 Valve Corporation
* Copyright (c) 2015-2019 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.
*
* Author: Camden Stocker <camden@lunarg.com>
*/
#include "best_practices.h"
#include "layer_chassis_dispatch.h"
#include <string>
#include <iomanip>
// get the API name is proper format
std::string BestPractices::GetAPIVersionName(uint32_t version) {
std::stringstream version_name;
uint32_t major = VK_VERSION_MAJOR(version);
uint32_t minor = VK_VERSION_MINOR(version);
uint32_t patch = VK_VERSION_PATCH(version);
version_name << major << "." << minor << "." << patch << " (0x" << std::setfill('0') << std::setw(8) << std::hex << version
<< ")";
return version_name.str();
}
bool BestPractices::PreCallValidateCreateInstance(const VkInstanceCreateInfo* pCreateInfo, const VkAllocationCallbacks* pAllocator,
VkInstance* pInstance) {
bool skip = false;
for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
if (white_list(pCreateInfo->ppEnabledExtensionNames[i], kDeviceExtensionNames)) {
skip |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(), "vkCreateInstance(): Attempting to enable Device Extension %s at CreateInstance time.",
pCreateInfo->ppEnabledExtensionNames[i]);
}
}
return skip;
}
void BestPractices::PreCallRecordCreateInstance(const VkInstanceCreateInfo* pCreateInfo, const VkAllocationCallbacks* pAllocator,
VkInstance* pInstance) {
instance_api_version = pCreateInfo->pApplicationInfo->apiVersion;
}
bool BestPractices::PreCallValidateCreateDevice(VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo* pCreateInfo,
const VkAllocationCallbacks* pAllocator, VkDevice* pDevice) {
bool skip = false;
// get API version of physical device passed when creating device.
VkPhysicalDeviceProperties physical_device_properties{};
DispatchGetPhysicalDeviceProperties(physicalDevice, &physical_device_properties);
device_api_version = physical_device_properties.apiVersion;
// check api versions and warn if instance api Version is higher than version on device.
if (instance_api_version > device_api_version) {
std::string inst_api_name = GetAPIVersionName(instance_api_version);
std::string dev_api_name = GetAPIVersionName(device_api_version);
skip |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, layer_name.c_str(),
"vkCreateDevice(): API Version of current instance, %s is higher than API Version on device, %s",
inst_api_name.c_str(), dev_api_name.c_str());
}
for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
if (white_list(pCreateInfo->ppEnabledExtensionNames[i], kInstanceExtensionNames)) {
skip |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(), "vkCreateDevice(): Attempting to enable Instance Extension %s at CreateDevice time.",
pCreateInfo->ppEnabledExtensionNames[i]);
}
}
return skip;
}
bool BestPractices::PreCallValidateCreateBuffer(VkDevice device, const VkBufferCreateInfo* pCreateInfo,
const VkAllocationCallbacks* pAllocator, VkBuffer* pBuffer) {
bool skip = false;
if ((pCreateInfo->queueFamilyIndexCount > 1) && (pCreateInfo->sharingMode == VK_SHARING_MODE_EXCLUSIVE)) {
std::stringstream bufferHex;
bufferHex << "0x" << std::hex << HandleToUint64(pBuffer);
skip |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, layer_name.c_str(),
"Warning: Buffer (%s) specifies a sharing mode of VK_SHARING_MODE_EXCLUSIVE while specifying multiple queues "
"(queueFamilyIndexCount of %" PRIu32 ").",
bufferHex.str().c_str(), pCreateInfo->queueFamilyIndexCount);
}
return skip;
}
bool BestPractices::PreCallValidateCreateImage(VkDevice device, const VkImageCreateInfo* pCreateInfo,
const VkAllocationCallbacks* pAllocator, VkImage* pImage) {
bool skip = false;
if ((pCreateInfo->queueFamilyIndexCount > 1) && (pCreateInfo->sharingMode == VK_SHARING_MODE_EXCLUSIVE)) {
std::stringstream imageHex;
imageHex << "0x" << std::hex << HandleToUint64(pImage);
skip |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, layer_name.c_str(),
"Warning: Image (%s) specifies a sharing mode of VK_SHARING_MODE_EXCLUSIVE while specifying multiple queues "
"(queueFamilyIndexCount of %" PRIu32 ").",
imageHex.str().c_str(), pCreateInfo->queueFamilyIndexCount);
}
return skip;
}
bool BestPractices::PreCallValidateCreateSwapchainKHR(VkDevice device, const VkSwapchainCreateInfoKHR* pCreateInfo,
const VkAllocationCallbacks* pAllocator, VkSwapchainKHR* pSwapchain) {
bool skip = false;
if ((pCreateInfo->queueFamilyIndexCount > 1) && (pCreateInfo->imageSharingMode == VK_SHARING_MODE_EXCLUSIVE)) {
skip |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, layer_name.c_str(),
"Warning: A Swapchain is being created which specifies a sharing mode of VK_SHARING_MODE_EXCULSIVE while "
"specifying multiple queues (queueFamilyIndexCount of %" PRIu32 ").",
pCreateInfo->queueFamilyIndexCount);
}
return skip;
}
bool BestPractices::PreCallValidateCreateSharedSwapchainsKHR(VkDevice device, uint32_t swapchainCount,
const VkSwapchainCreateInfoKHR* pCreateInfos,
const VkAllocationCallbacks* pAllocator, VkSwapchainKHR* pSwapchains) {
bool skip = false;
for (uint32_t i = 0; i < swapchainCount; i++) {
if ((pCreateInfos[i].queueFamilyIndexCount > 1) && (pCreateInfos[i].imageSharingMode == VK_SHARING_MODE_EXCLUSIVE)) {
skip |= log_msg(
report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, layer_name.c_str(),
"Warning: A shared swapchain (index %" PRIu32
") is being created which specifies a sharing mode of VK_SHARING_MODE_EXCLUSIVE while specifying multiple "
"queues (queueFamilyIndexCount of %" PRIu32 ").",
i, pCreateInfos[i].queueFamilyIndexCount);
}
}
return skip;
}
bool BestPractices::PreCallValidateCreateRenderPass(VkDevice device, const VkRenderPassCreateInfo* pCreateInfo,
const VkAllocationCallbacks* pAllocator, VkRenderPass* pRenderPass) {
bool skip = false;
for (uint32_t i = 0; i < pCreateInfo->attachmentCount; ++i) {
VkFormat format = pCreateInfo->pAttachments[i].format;
if (pCreateInfo->pAttachments[i].initialLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
if ((FormatIsColor(format) || FormatHasDepth(format)) &&
pCreateInfo->pAttachments[i].loadOp == VK_ATTACHMENT_LOAD_OP_LOAD) {
skip |= log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(),
"Render pass has an attachment with loadOp == VK_ATTACHMENT_LOAD_OP_LOAD and "
"initialLayout == VK_IMAGE_LAYOUT_UNDEFINED. This is probably not what you "
"intended. Consider using VK_ATTACHMENT_LOAD_OP_DONT_CARE instead if the "
"image truely is undefined at the start of the render pass.");
}
if (FormatHasStencil(format) && pCreateInfo->pAttachments[i].stencilLoadOp == VK_ATTACHMENT_LOAD_OP_LOAD) {
skip |= log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(),
"Render pass has an attachment with stencilLoadOp == VK_ATTACHMENT_LOAD_OP_LOAD "
"and initialLayout == VK_IMAGE_LAYOUT_UNDEFINED. This is probably not what you "
"intended. Consider using VK_ATTACHMENT_LOAD_OP_DONT_CARE instead if the "
"image truely is undefined at the start of the render pass.");
}
}
}
for (uint32_t dependency = 0; dependency < pCreateInfo->dependencyCount; dependency++) {
skip |= CheckPipelineStageFlags("vkCreateRenderPass", pCreateInfo->pDependencies[dependency].srcStageMask);
skip |= CheckPipelineStageFlags("vkCreateRenderPass", pCreateInfo->pDependencies[dependency].dstStageMask);
}
return skip;
}
bool BestPractices::PreCallValidateAllocateMemory(VkDevice device, const VkMemoryAllocateInfo* pAllocateInfo,
const VkAllocationCallbacks* pAllocator, VkDeviceMemory* pMemory) {
bool skip = false;
num_mem_objects++;
if (num_mem_objects > kMemoryObjectWarningLimit) {
skip |= log_msg(report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(), "Performance Warning: This app has > %" PRIu32 " memory objects.",
kMemoryObjectWarningLimit);
}
return skip;
}
void BestPractices::PreCallRecordFreeMemory(VkDevice device, VkDeviceMemory memory, const VkAllocationCallbacks* pAllocator) {
if (memory != VK_NULL_HANDLE) {
num_mem_objects--;
}
}
bool BestPractices::PreCallValidateCreateGraphicsPipelines(VkDevice device, VkPipelineCache pipelineCache, uint32_t createInfoCount,
const VkGraphicsPipelineCreateInfo* pCreateInfos,
const VkAllocationCallbacks* pAllocator, VkPipeline* pPipelines) {
bool skip = false;
if ((createInfoCount > 1) && (!pipelineCache)) {
skip |=
log_msg(report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(),
"Performance Warning: This vkCreateGraphicsPipelines call is creating multiple pipelines but is not using a "
"pipeline cache, which may help with performance");
}
return skip;
}
bool BestPractices::PreCallValidateCreateComputePipelines(VkDevice device, VkPipelineCache pipelineCache, uint32_t createInfoCount,
const VkComputePipelineCreateInfo* pCreateInfos,
const VkAllocationCallbacks* pAllocator, VkPipeline* pPipelines) {
bool skip = false;
if ((createInfoCount > 1) && (!pipelineCache)) {
skip |= log_msg(report_data, VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(),
"Performance Warning: This vkCreateComputePipelines call is creating multiple pipelines but is not using a "
"pipeline cache, which may help with performance");
}
return skip;
}
bool BestPractices::CheckPipelineStageFlags(std::string api_name, const VkPipelineStageFlags flags) {
bool skip = false;
if (flags & VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT) {
skip |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, layer_name.c_str(),
"You are using VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT when %s is called\n", api_name.c_str());
} else if (flags & VK_PIPELINE_STAGE_ALL_COMMANDS_BIT) {
skip |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, layer_name.c_str(),
"You are using VK_PIPELINE_STAGE_ALL_COMMANDS_BIT when %s is called\n", api_name.c_str());
}
return skip;
}
bool BestPractices::PreCallValidateQueueSubmit(VkQueue queue, uint32_t submitCount, const VkSubmitInfo* pSubmits, VkFence fence) {
bool skip = false;
for (uint32_t submit = 0; submit < submitCount; submit++) {
for (uint32_t semaphore = 0; semaphore < pSubmits[submit].waitSemaphoreCount; semaphore++) {
skip |= CheckPipelineStageFlags("vkQueueSubmit", pSubmits[submit].pWaitDstStageMask[semaphore]);
}
}
return skip;
}
bool BestPractices::PreCallValidateCmdSetEvent(VkCommandBuffer commandBuffer, VkEvent event, VkPipelineStageFlags stageMask) {
bool skip = false;
skip |= CheckPipelineStageFlags("vkCmdSetEvent", stageMask);
return skip;
}
bool BestPractices::PreCallValidateCmdResetEvent(VkCommandBuffer commandBuffer, VkEvent event, VkPipelineStageFlags stageMask) {
bool skip = false;
skip |= CheckPipelineStageFlags("vkCmdResetEvent", stageMask);
return skip;
}
bool BestPractices::PreCallValidateCmdWaitEvents(VkCommandBuffer commandBuffer, uint32_t eventCount, const VkEvent* pEvents,
VkPipelineStageFlags srcStageMask, VkPipelineStageFlags dstStageMask,
uint32_t memoryBarrierCount, const VkMemoryBarrier* pMemoryBarriers,
uint32_t bufferMemoryBarrierCount,
const VkBufferMemoryBarrier* pBufferMemoryBarriers,
uint32_t imageMemoryBarrierCount,
const VkImageMemoryBarrier* pImageMemoryBarriers) {
bool skip = false;
skip |= CheckPipelineStageFlags("vkCmdWaitEvents", srcStageMask);
skip |= CheckPipelineStageFlags("vkCmdWaitEvents", dstStageMask);
return skip;
}
bool BestPractices::PreCallValidateCmdPipelineBarrier(VkCommandBuffer commandBuffer, VkPipelineStageFlags srcStageMask,
VkPipelineStageFlags dstStageMask, VkDependencyFlags dependencyFlags,
uint32_t memoryBarrierCount, const VkMemoryBarrier* pMemoryBarriers,
uint32_t bufferMemoryBarrierCount,
const VkBufferMemoryBarrier* pBufferMemoryBarriers,
uint32_t imageMemoryBarrierCount,
const VkImageMemoryBarrier* pImageMemoryBarriers) {
bool skip = false;
skip |= CheckPipelineStageFlags("vkCmdPipelineBarrier", srcStageMask);
skip |= CheckPipelineStageFlags("vkCmdPipelineBarrier", dstStageMask);
return skip;
}
bool BestPractices::PreCallValidateCmdWriteTimestamp(VkCommandBuffer commandBuffer, VkPipelineStageFlagBits pipelineStage,
VkQueryPool queryPool, uint32_t query) {
bool skip = false;
skip |= CheckPipelineStageFlags("vkCmdWriteTimestamp", pipelineStage);
return skip;
}
bool BestPractices::PreCallValidateCmdDraw(VkCommandBuffer commandBuffer, uint32_t vertexCount, uint32_t instanceCount,
uint32_t firstVertex, uint32_t firstInstance) {
bool skip = false;
if (instanceCount == 0) {
skip |= log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(), "Warning: You are calling vkCmdDraw() with an instanceCount of Zero.");
}
return skip;
}
bool BestPractices::PreCallValidateCmdDrawIndexed(VkCommandBuffer commandBuffer, uint32_t indexCount, uint32_t instanceCount,
uint32_t firstIndex, int32_t vertexOffset, uint32_t firstInstance) {
bool skip = false;
if (instanceCount == 0) {
skip |= log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(), "Warning: You are calling vkCmdDrawIndexed() with an instanceCount of Zero.");
}
return skip;
}
bool BestPractices::PreCallValidateCmdDrawIndirect(VkCommandBuffer commandBuffer, VkBuffer buffer, VkDeviceSize offset,
uint32_t drawCount, uint32_t stride) {
bool skip = false;
if (drawCount == 0) {
skip |= log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(), "Warning: You are calling vkCmdDrawIndirect() with a drawCount of Zero.");
}
return skip;
}
bool BestPractices::PreCallValidateCmdDrawIndexedIndirect(VkCommandBuffer commandBuffer, VkBuffer buffer, VkDeviceSize offset,
uint32_t drawCount, uint32_t stride) {
bool skip = false;
if (drawCount == 0) {
skip |= log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
layer_name.c_str(), "Warning: You are calling vkCmdDrawIndexedIndirect() with a drawCount of Zero.");
}
return skip;
}
bool BestPractices::PreCallValidateCmdDispatch(VkCommandBuffer commandBuffer, uint32_t groupCountX, uint32_t groupCountY,
uint32_t groupCountZ) {
bool skip = false;
if ((groupCountX == 0) || (groupCountY == 0) || (groupCountZ == 0)) {
skip |=
log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, layer_name.c_str(),
"Warning: You are calling vkCmdDispatch() while one or more groupCounts are zero (groupCountX = %" PRIu32
", groupCountY = %" PRIu32 ", groupCountZ = %" PRIu32 ").",
groupCountX, groupCountY, groupCountZ);
}
return skip;
}