void prepareUniformBuffers()
{
// Prepare and initialize uniform buffer containing shader uniforms
VkMemoryRequirements memReqs;
// Vertex shader uniform buffer block
VkBufferCreateInfo bufferInfo = {};
VkMemoryAllocateInfo allocInfo = vkTools::initializers::memoryAllocateInfo();
VkResult err;
bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufferInfo.size = sizeof(computeUbo);
bufferInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
err = vkCreateBuffer(device, &bufferInfo, nullptr, &uniformDataCompute.buffer);
assert(!err);
vkGetBufferMemoryRequirements(device, uniformDataCompute.buffer, &memReqs);
allocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &allocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &allocInfo, nullptr, &(uniformDataCompute.memory));
assert(!err);
err = vkBindBufferMemory(device, uniformDataCompute.buffer, uniformDataCompute.memory, 0);
assert(!err);
uniformDataCompute.descriptor.buffer = uniformDataCompute.buffer;
uniformDataCompute.descriptor.offset = 0;
uniformDataCompute.descriptor.range = sizeof(computeUbo);
updateUniformBuffers();
}
static uint32_t getMemoryType(vk::PhysicalDevice& device, uint32_t typeBits, const vk::MemoryPropertyFlags& properties) {
uint32_t result = 0;
if (!getMemoryType(device, typeBits, properties, &result)) {
// todo : throw error
}
return result;
}
// Create a buffer for storing the query result
// Setup a query pool
void setupQueryResultBuffer()
{
uint32_t bufSize = 2 * sizeof(uint64_t);
VkMemoryRequirements memReqs;
VkMemoryAllocateInfo memAlloc = vkTools::initializers::memoryAllocateInfo();
VkBufferCreateInfo bufferCreateInfo =
vkTools::initializers::bufferCreateInfo(
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
bufSize);
VkResult err = vkCreateBuffer(device, &bufferCreateInfo, nullptr, &queryResult.buffer);
assert(!err);
vkGetBufferMemoryRequirements(device, queryResult.buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAlloc.memoryTypeIndex);
err = vkAllocateMemory(device, &memAlloc, nullptr, &queryResult.memory);
assert(!err);
err = vkBindBufferMemory(device, queryResult.buffer, queryResult.memory, 0);
assert(!err);
// Create query pool
VkQueryPoolCreateInfo queryPoolInfo = {};
queryPoolInfo.sType = VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO;
queryPoolInfo.queryType = VK_QUERY_TYPE_OCCLUSION;
queryPoolInfo.queryCount = 2;
err = vkCreateQueryPool(device, &queryPoolInfo, NULL, &queryPool);
assert(!err);
}
VkBool32 VulkanExampleBase::createBuffer(
VkBufferUsageFlags usage,
VkDeviceSize size,
void * data,
VkBuffer *buffer,
VkDeviceMemory *memory)
{
VkMemoryRequirements memReqs;
VkMemoryAllocateInfo memAlloc = vkTools::initializers::memoryAllocateInfo();
VkBufferCreateInfo bufferCreateInfo = vkTools::initializers::bufferCreateInfo(usage, size);
VkResult err = vkCreateBuffer(device, &bufferCreateInfo, nullptr, buffer);
assert(!err);
vkGetBufferMemoryRequirements(device, *buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAlloc.memoryTypeIndex);
err = vkAllocateMemory(device, &memAlloc, nullptr, memory);
assert(!err);
if (data != nullptr)
{
void *mapped;
err = vkMapMemory(device, *memory, 0, size, 0, &mapped);
assert(!err);
memcpy(mapped, data, size);
vkUnmapMemory(device, *memory);
}
err = vkBindBufferMemory(device, *buffer, *memory, 0);
assert(!err);
return true;
}
/**
* Create a buffer on the device
*
* @param usageFlags Usage flag bitmask for the buffer (i.e. index, vertex, uniform buffer)
* @param memoryPropertyFlags Memory properties for this buffer (i.e. device local, host visible, coherent)
* @param size Size of the buffer in byes
* @param buffer Pointer to the buffer handle acquired by the function
* @param memory Pointer to the memory handle acquired by the function
* @param data Pointer to the data that should be copied to the buffer after creation (optional, if not set, no data is copied over)
*
* @return VK_SUCCESS if buffer handle and memory have been created and (optionally passed) data has been copied
*/
VkResult createBuffer(VkBufferUsageFlags usageFlags, VkMemoryPropertyFlags memoryPropertyFlags, VkDeviceSize size, VkBuffer *buffer, VkDeviceMemory *memory, void *data = nullptr)
{
// Create the buffer handle
VkBufferCreateInfo bufferCreateInfo = vkTools::initializers::bufferCreateInfo(usageFlags, size);
bufferCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
VK_CHECK_RESULT(vkCreateBuffer(logicalDevice, &bufferCreateInfo, nullptr, buffer));
// Create the memory backing up the buffer handle
VkMemoryRequirements memReqs;
VkMemoryAllocateInfo memAlloc = vkTools::initializers::memoryAllocateInfo();
vkGetBufferMemoryRequirements(logicalDevice, *buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
// Find a memory type index that fits the properties of the buffer
memAlloc.memoryTypeIndex = getMemoryType(memReqs.memoryTypeBits, memoryPropertyFlags);
VK_CHECK_RESULT(vkAllocateMemory(logicalDevice, &memAlloc, nullptr, memory));
// If a pointer to the buffer data has been passed, map the buffer and copy over the data
if (data != nullptr)
{
void *mapped;
VK_CHECK_RESULT(vkMapMemory(logicalDevice, *memory, 0, size, 0, &mapped));
memcpy(mapped, data, size);
vkUnmapMemory(logicalDevice, *memory);
}
// Attach the memory to the buffer object
VK_CHECK_RESULT(vkBindBufferMemory(logicalDevice, *buffer, *memory, 0));
return VK_SUCCESS;
}
void VulkanExampleBase::setupDepthStencil()
{
VkImageCreateInfo image = {};
image.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
image.pNext = NULL;
image.imageType = VK_IMAGE_TYPE_2D;
image.format = depthFormat;
image.extent = { width, height, 1 };
image.mipLevels = 1;
image.arrayLayers = 1;
image.samples = VK_SAMPLE_COUNT_1_BIT;
image.tiling = VK_IMAGE_TILING_OPTIMAL;
image.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
image.flags = 0;
VkMemoryAllocateInfo mem_alloc = {};
mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
mem_alloc.pNext = NULL;
mem_alloc.allocationSize = 0;
mem_alloc.memoryTypeIndex = 0;
VkImageViewCreateInfo depthStencilView = {};
depthStencilView.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
depthStencilView.pNext = NULL;
depthStencilView.viewType = VK_IMAGE_VIEW_TYPE_2D;
depthStencilView.format = depthFormat;
depthStencilView.flags = 0;
depthStencilView.subresourceRange = {};
depthStencilView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
depthStencilView.subresourceRange.baseMipLevel = 0;
depthStencilView.subresourceRange.levelCount = 1;
depthStencilView.subresourceRange.baseArrayLayer = 0;
depthStencilView.subresourceRange.layerCount = 1;
VkMemoryRequirements memReqs;
VkResult err;
err = vkCreateImage(device, &image, nullptr, &depthStencil.image);
assert(!err);
vkGetImageMemoryRequirements(device, depthStencil.image, &memReqs);
mem_alloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &mem_alloc.memoryTypeIndex);
err = vkAllocateMemory(device, &mem_alloc, nullptr, &depthStencil.mem);
assert(!err);
err = vkBindImageMemory(device, depthStencil.image, depthStencil.mem, 0);
assert(!err);
vkTools::setImageLayout(
setupCmdBuffer,
depthStencil.image,
VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
depthStencilView.image = depthStencil.image;
err = vkCreateImageView(device, &depthStencilView, nullptr, &depthStencil.view);
assert(!err);
}
void prepareUniformBuffers()
{
// Prepare and initialize uniform buffer containing shader uniforms
VkMemoryRequirements memReqs;
// Vertex shader uniform buffer block
VkBufferCreateInfo bufferInfo = {};
VkMemoryAllocateInfo allocInfo = {};
allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
allocInfo.pNext = NULL;
allocInfo.allocationSize = 0;
allocInfo.memoryTypeIndex = 0;
VkResult err;
bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufferInfo.size = sizeof(uboVS);
bufferInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
// Create a new buffer
err = vkCreateBuffer(device, &bufferInfo, nullptr, &uniformDataVS.buffer);
assert(!err);
// Get memory requirements including size, alignment and memory type
vkGetBufferMemoryRequirements(device, uniformDataVS.buffer, &memReqs);
allocInfo.allocationSize = memReqs.size;
// Gets the appropriate memory type for this type of buffer allocation
// Only memory types that are visible to the host
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &allocInfo.memoryTypeIndex);
// Allocate memory for the uniform buffer
err = vkAllocateMemory(device, &allocInfo, nullptr, &(uniformDataVS.memory));
assert(!err);
// Bind memory to buffer
err = vkBindBufferMemory(device, uniformDataVS.buffer, uniformDataVS.memory, 0);
assert(!err);
// Store information in the uniform's descriptor
uniformDataVS.descriptor.buffer = uniformDataVS.buffer;
uniformDataVS.descriptor.offset = 0;
uniformDataVS.descriptor.range = sizeof(uboVS);
updateUniformBuffers();
}
VkBool32 VulkanExampleBase::createBuffer(VkBufferUsageFlags usageFlags, VkMemoryPropertyFlags memoryPropertyFlags, VkDeviceSize size, void * data, VkBuffer * buffer, VkDeviceMemory * memory)
{
VkMemoryRequirements memReqs;
VkMemoryAllocateInfo memAlloc = vkTools::initializers::memoryAllocateInfo();
VkBufferCreateInfo bufferCreateInfo = vkTools::initializers::bufferCreateInfo(usageFlags, size);
vkTools::checkResult(vkCreateBuffer(device, &bufferCreateInfo, nullptr, buffer));
vkGetBufferMemoryRequirements(device, *buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, memoryPropertyFlags, &memAlloc.memoryTypeIndex);
vkTools::checkResult(vkAllocateMemory(device, &memAlloc, nullptr, memory));
if (data != nullptr)
{
void *mapped;
vkTools::checkResult(vkMapMemory(device, *memory, 0, size, 0, &mapped));
memcpy(mapped, data, size);
vkUnmapMemory(device, *memory);
}
vkTools::checkResult(vkBindBufferMemory(device, *buffer, *memory, 0));
return true;
}
/**
* Create a buffer on the device
*
* @param usageFlags Usage flag bitmask for the buffer (i.e. index, vertex, uniform buffer)
* @param memoryPropertyFlags Memory properties for this buffer (i.e. device local, host visible, coherent)
* @param buffer Pointer to a vk::Vulkan buffer object
* @param size Size of the buffer in byes
* @param data Pointer to the data that should be copied to the buffer after creation (optional, if not set, no data is copied over)
*
* @return VK_SUCCESS if buffer handle and memory have been created and (optionally passed) data has been copied
*/
VkResult createBuffer(VkBufferUsageFlags usageFlags, VkMemoryPropertyFlags memoryPropertyFlags, vk::Buffer *buffer, VkDeviceSize size, void *data = nullptr)
{
buffer->device = logicalDevice;
// Create the buffer handle
VkBufferCreateInfo bufferCreateInfo = vkTools::initializers::bufferCreateInfo(usageFlags, size);
VK_CHECK_RESULT(vkCreateBuffer(logicalDevice, &bufferCreateInfo, nullptr, &buffer->buffer));
// Create the memory backing up the buffer handle
VkMemoryRequirements memReqs;
VkMemoryAllocateInfo memAlloc = vkTools::initializers::memoryAllocateInfo();
vkGetBufferMemoryRequirements(logicalDevice, buffer->buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
// Find a memory type index that fits the properties of the buffer
memAlloc.memoryTypeIndex = getMemoryType(memReqs.memoryTypeBits, memoryPropertyFlags);
VK_CHECK_RESULT(vkAllocateMemory(logicalDevice, &memAlloc, nullptr, &buffer->memory));
buffer->alignment = memReqs.alignment;
buffer->size = memAlloc.allocationSize;
buffer->usageFlags = usageFlags;
buffer->memoryPropertyFlags = memoryPropertyFlags;
// If a pointer to the buffer data has been passed, map the buffer and copy over the data
if (data != nullptr)
{
VK_CHECK_RESULT(buffer->map());
memcpy(buffer->mapped, data, size);
buffer->unmap();
}
// Initialize a default descriptor that covers the whole buffer size
buffer->setupDescriptor();
// Attach the memory to the buffer object
return buffer->bind();
}
// Creates a multi sample render target (image and view) that is used to resolve
// into the visible frame buffer target in the render pass
void setupMultisampleTarget()
{
// Check if device supports requested sample count for color and depth frame buffer
assert((deviceProperties.limits.framebufferColorSampleCounts >= SAMPLE_COUNT) && (deviceProperties.limits.framebufferDepthSampleCounts >= SAMPLE_COUNT));
// Color target
VkImageCreateInfo info = vkTools::initializers::imageCreateInfo();
info.imageType = VK_IMAGE_TYPE_2D;
info.format = colorformat;
info.extent.width = width;
info.extent.height = height;
info.extent.depth = 1;
info.mipLevels = 1;
info.arrayLayers = 1;
info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.tiling = VK_IMAGE_TILING_OPTIMAL;
info.samples = SAMPLE_COUNT;
// Image will only be used as a transient target
info.usage = VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
vkTools::checkResult(vkCreateImage(device, &info, nullptr, &multisampleTarget.color.image));
VkMemoryRequirements memReqs;
vkGetImageMemoryRequirements(device, multisampleTarget.color.image, &memReqs);
VkMemoryAllocateInfo memAlloc = vkTools::initializers::memoryAllocateInfo();
memAlloc.allocationSize = memReqs.size;
// We prefer a lazily allocated memory type
// This means that the memory get allocated when the implementation sees fit, e.g. when first using the images
VkBool32 lazyMemType = getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT, &memAlloc.memoryTypeIndex);
if (!lazyMemType)
{
// If this is not available, fall back to device local memory
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAlloc.memoryTypeIndex);
}
vkTools::checkResult(vkAllocateMemory(device, &memAlloc, nullptr, &multisampleTarget.color.memory));
vkBindImageMemory(device, multisampleTarget.color.image, multisampleTarget.color.memory, 0);
// Create image view for the MSAA target
VkImageViewCreateInfo viewInfo = vkTools::initializers::imageViewCreateInfo();
viewInfo.image = multisampleTarget.color.image;
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
viewInfo.format = colorformat;
viewInfo.components.r = VK_COMPONENT_SWIZZLE_R;
viewInfo.components.g = VK_COMPONENT_SWIZZLE_G;
viewInfo.components.b = VK_COMPONENT_SWIZZLE_B;
viewInfo.components.a = VK_COMPONENT_SWIZZLE_A;
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
viewInfo.subresourceRange.levelCount = 1;
viewInfo.subresourceRange.layerCount = 1;
vkTools::checkResult(vkCreateImageView(device, &viewInfo, nullptr, &multisampleTarget.color.view));
// Depth target
info.imageType = VK_IMAGE_TYPE_2D;
info.format = depthFormat;
info.extent.width = width;
info.extent.height = height;
info.extent.depth = 1;
info.mipLevels = 1;
info.arrayLayers = 1;
info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.tiling = VK_IMAGE_TILING_OPTIMAL;
info.samples = SAMPLE_COUNT;
// Image will only be used as a transient target
info.usage = VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT | VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
vkTools::checkResult(vkCreateImage(device, &info, nullptr, &multisampleTarget.depth.image));
vkGetImageMemoryRequirements(device, multisampleTarget.depth.image, &memReqs);
memAlloc = vkTools::initializers::memoryAllocateInfo();
memAlloc.allocationSize = memReqs.size;
lazyMemType = getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT, &memAlloc.memoryTypeIndex);
if (!lazyMemType)
{
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAlloc.memoryTypeIndex);
}
vkTools::checkResult(vkAllocateMemory(device, &memAlloc, nullptr, &multisampleTarget.depth.memory));
vkBindImageMemory(device, multisampleTarget.depth.image, multisampleTarget.depth.memory, 0);
// Create image view for the MSAA target
viewInfo.image = multisampleTarget.depth.image;
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
viewInfo.format = depthFormat;
viewInfo.components.r = VK_COMPONENT_SWIZZLE_R;
viewInfo.components.g = VK_COMPONENT_SWIZZLE_G;
viewInfo.components.b = VK_COMPONENT_SWIZZLE_B;
viewInfo.components.a = VK_COMPONENT_SWIZZLE_A;
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
viewInfo.subresourceRange.levelCount = 1;
viewInfo.subresourceRange.layerCount = 1;
vkTools::checkResult(vkCreateImageView(device, &viewInfo, nullptr, &multisampleTarget.depth.view));
}
// Preapre an empty texture as the blit target from
// the offscreen framebuffer
void prepareTextureTarget(uint32_t width, uint32_t height, VkFormat format)
{
createSetupCommandBuffer();
VkResult err;
// Get device properites for the requested texture format
VkFormatProperties formatProperties;
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
// Check if format is supported for optimal tiling
assert(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT);
// Prepare blit target texture
offScreenFrameBuf.textureTarget.width = width;
offScreenFrameBuf.textureTarget.height = height;
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = format;
imageCreateInfo.extent = { width, height, 1 };
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
imageCreateInfo.flags = 0;
imageCreateInfo.pQueueFamilyIndices = 0;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
err = vkCreateImage(device, &imageCreateInfo, nullptr, &offScreenFrameBuf.textureTarget.image);
assert(!err);
vkGetImageMemoryRequirements(device, offScreenFrameBuf.textureTarget.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &offScreenFrameBuf.textureTarget.deviceMemory);
assert(!err);
err = vkBindImageMemory(device, offScreenFrameBuf.textureTarget.image, offScreenFrameBuf.textureTarget.deviceMemory, 0);
assert(!err);
offScreenFrameBuf.textureTarget.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
setupCmdBuffer,
offScreenFrameBuf.textureTarget.image,
VK_IMAGE_ASPECT_DEPTH_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
offScreenFrameBuf.textureTarget.imageLayout);
// Create sampler
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
sampler.magFilter = TEX_FILTER;
sampler.minFilter = TEX_FILTER;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
sampler.addressModeV = sampler.addressModeU;
sampler.addressModeW = sampler.addressModeU;
sampler.mipLodBias = 0.0f;
sampler.maxAnisotropy = 0;
sampler.minLod = 0.0f;
sampler.maxLod = 0.0f;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
err = vkCreateSampler(device, &sampler, nullptr, &offScreenFrameBuf.textureTarget.sampler);
assert(!err);
// Create image view
VkImageViewCreateInfo view = {};
view.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
view.pNext = NULL;
view.viewType = VK_IMAGE_VIEW_TYPE_2D;
view.format = format;
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
view.subresourceRange = { VK_IMAGE_ASPECT_DEPTH_BIT, 0, 1, 0, 1 };
view.image = offScreenFrameBuf.textureTarget.image;
err = vkCreateImageView(device, &view, nullptr, &offScreenFrameBuf.textureTarget.view);
assert(!err);
flushSetupCommandBuffer();
}
bool PublisherExtractor::start() {
auto thread_function = [this]() {
MemoryExtractor* extractor = nullptr;
DeviceBase* device = source_publisher_->getDevice();
if (device) {
device->threadInit();
}
while(true) {
DataBuffer* source_buffer = nullptr;
if (queued_buffer_) {
source_buffer = queued_buffer_;
queued_buffer_ = nullptr;
} else {
source_buffer = source_subscription_->pull();
}
if (nullptr == source_buffer) {
break;
}
if (source_buffer->simulation_step < start_step_) {
source_buffer->release();
} else {
queued_buffer_ = source_buffer;
break;
}
}
while(true) {
Mailbox mailbox;
DataBuffer* source_buffer = nullptr;
if (queued_buffer_) {
source_buffer = queued_buffer_;
queued_buffer_ = nullptr;
} else {
source_subscription_->pull(&source_buffer, &mailbox);
}
ReportDataBuffer* destination_buffer = nullptr;
destination_subscription_->pull(&destination_buffer, &mailbox);
if (!mailbox.wait(&source_buffer, &destination_buffer)) {
source_subscription_->cancel();
destination_subscription_->cancel();
if (source_buffer) {
source_buffer->release();
}
if (destination_buffer) {
destination_buffer->release();
}
delete source_subscription_;
source_subscription_ = nullptr;
delete destination_subscription_;
destination_subscription_ = nullptr;
break;
}
if (source_buffer->simulation_step > end_step_) {
source_buffer->release();
destination_buffer->release();
break;
}
auto signal = this->getBlank();
auto pin = source_buffer->getPin(pin_name_);
if (nullptr == extractor) {
switch(pin.getMemoryType()) {
case DeviceType::CPU:
switch(datatype_) {
case DataType::Float:
extractor = new CPUExtractor<float>(indices_);
break;
case DataType::Integer:
extractor = new CPUExtractor<int>(indices_);
break;
case DataType::Bit:
extractor = new CPUExtractor<Bit>(indices_);
break;
}
break;
#ifdef NCS_CUDA
case DeviceType::CUDA:
switch(datatype_) {
case DataType::Float:
extractor = new CUDAExtractor<float>(indices_);
break;
case DataType::Integer:
extractor = new CUDAExtractor<int>(indices_);
break;
case DataType::Bit:
extractor = new CUDAExtractor<Bit>(indices_);
break;
}
break;
#endif // NCS_CUDA
default:
break;
}
}
char* dest =
static_cast<char*>(destination_buffer->getData()) + output_offset_;
extractor->extract(pin.getData(), dest);
source_buffer->release();
destination_buffer->release();
auto num_subscribers = this->publish(signal);
if (0 == num_subscribers) {
break;
}
}
if (device) {
device->threadDestroy();
}
delete source_subscription_;
source_subscription_ = nullptr;
delete destination_subscription_;
destination_subscription_ = nullptr;
this->clearSubscriptions();
if (extractor) {
delete extractor;
}
};
thread_ = std::thread(thread_function);
return true;
}
// Setup and fill the compute shader storage buffers for
// vertex positions and velocities
void prepareStorageBuffers()
{
float destPosX = 0.0f;
float destPosY = 0.0f;
// Initial particle positions
std::vector<Particle> particleBuffer;
for (int i = 0; i < PARTICLE_COUNT; ++i)
{
// Position
float aspectRatio = (float)height / (float)width;
float rndVal = (float)rand() / (float)(RAND_MAX / (360.0f * 3.14f * 2.0f));
float rndRad = (float)rand() / (float)(RAND_MAX) * 0.5f;
Particle p;
p.pos = glm::vec4(
destPosX + cos(rndVal) * rndRad * aspectRatio,
destPosY + sin(rndVal) * rndRad,
0.0f,
1.0f);
p.col = glm::vec4(
(float)(rand() % 255) / 255.0f,
(float)(rand() % 255) / 255.0f,
(float)(rand() % 255) / 255.0f,
1.0f);
p.vel = glm::vec4(0.0f);
particleBuffer.push_back(p);
}
// Buffer size is the same for all storage buffers
uint32_t storageBufferSize = particleBuffer.size() * sizeof(Particle);
VkMemoryAllocateInfo memAlloc = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
VkResult err;
void *data;
struct StagingBuffer {
VkDeviceMemory memory;
VkBuffer buffer;
} stagingBuffer;
// Allocate and fill host-visible staging storage buffer object
// Allocate and fill storage buffer object
VkBufferCreateInfo vBufferInfo =
vkTools::initializers::bufferCreateInfo(
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
storageBufferSize);
vkTools::checkResult(vkCreateBuffer(device, &vBufferInfo, nullptr, &stagingBuffer.buffer));
vkGetBufferMemoryRequirements(device, stagingBuffer.buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAlloc.memoryTypeIndex);
vkTools::checkResult(vkAllocateMemory(device, &memAlloc, nullptr, &stagingBuffer.memory));
vkTools::checkResult(vkMapMemory(device, stagingBuffer.memory, 0, storageBufferSize, 0, &data));
memcpy(data, particleBuffer.data(), storageBufferSize);
vkUnmapMemory(device, stagingBuffer.memory);
vkTools::checkResult(vkBindBufferMemory(device, stagingBuffer.buffer, stagingBuffer.memory, 0));
// Allocate device local storage buffer ojbect
vBufferInfo.usage = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
vkTools::checkResult(vkCreateBuffer(device, &vBufferInfo, nullptr, &computeStorageBuffer.buffer));
vkGetBufferMemoryRequirements(device, computeStorageBuffer.buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAlloc.memoryTypeIndex);
vkTools::checkResult(vkAllocateMemory(device, &memAlloc, nullptr, &computeStorageBuffer.memory));
vkTools::checkResult(vkBindBufferMemory(device, computeStorageBuffer.buffer, computeStorageBuffer.memory, 0));
// Copy from host to device
createSetupCommandBuffer();
VkBufferCopy copyRegion = {};
copyRegion.size = storageBufferSize;
vkCmdCopyBuffer(
setupCmdBuffer,
stagingBuffer.buffer,
computeStorageBuffer.buffer,
1,
©Region);
flushSetupCommandBuffer();
// Destroy staging buffer
vkDestroyBuffer(device, stagingBuffer.buffer, nullptr);
vkFreeMemory(device, stagingBuffer.memory, nullptr);
computeStorageBuffer.descriptor.buffer = computeStorageBuffer.buffer;
computeStorageBuffer.descriptor.offset = 0;
computeStorageBuffer.descriptor.range = storageBufferSize;
// Binding description
vertices.bindingDescriptions.resize(1);
vertices.bindingDescriptions[0] =
vkTools::initializers::vertexInputBindingDescription(
VERTEX_BUFFER_BIND_ID,
sizeof(Particle),
VK_VERTEX_INPUT_RATE_VERTEX);
// Attribute descriptions
// Describes memory layout and shader positions
vertices.attributeDescriptions.resize(2);
// Location 0 : Position
vertices.attributeDescriptions[0] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
0,
VK_FORMAT_R32G32B32A32_SFLOAT,
0);
// Location 1 : Color
vertices.attributeDescriptions[1] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
1,
VK_FORMAT_R32G32B32A32_SFLOAT,
sizeof(float) * 4);
// Assign to vertex buffer
vertices.inputState = vkTools::initializers::pipelineVertexInputStateCreateInfo();
vertices.inputState.vertexBindingDescriptionCount = vertices.bindingDescriptions.size();
vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.size();
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
}
void loadTextureArray(std::string filename, VkFormat format)
{
#if defined(__ANDROID__)
// Textures are stored inside the apk on Android (compressed)
// So they need to be loaded via the asset manager
AAsset* asset = AAssetManager_open(androidApp->activity->assetManager, filename.c_str(), AASSET_MODE_STREAMING);
assert(asset);
size_t size = AAsset_getLength(asset);
assert(size > 0);
void *textureData = malloc(size);
AAsset_read(asset, textureData, size);
AAsset_close(asset);
gli::texture2DArray tex2DArray(gli::load((const char*)textureData, size));
#else
gli::texture2DArray tex2DArray(gli::load(filename));
#endif
assert(!tex2DArray.empty());
textureArray.width = tex2DArray.dimensions().x;
textureArray.height = tex2DArray.dimensions().y;
layerCount = tex2DArray.layers();
// Get device properites for the requested texture format
VkFormatProperties formatProperties;
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = format;
imageCreateInfo.extent = { textureArray.width, textureArray.height, 1 };
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
imageCreateInfo.flags = 0;
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
struct Layer {
VkImage image;
VkDeviceMemory memory;
};
std::vector<Layer> arrayLayer;
arrayLayer.resize(layerCount);
// Allocate command buffer for image copies and layouts
VkCommandBuffer cmdBuffer;
VkCommandBufferAllocateInfo cmdBufAlllocatInfo =
vkTools::initializers::commandBufferAllocateInfo(
cmdPool,
VK_COMMAND_BUFFER_LEVEL_PRIMARY,
1);
VkResult err = vkAllocateCommandBuffers(device, &cmdBufAlllocatInfo, &cmdBuffer);
assert(!err);
VkCommandBufferBeginInfo cmdBufInfo =
vkTools::initializers::commandBufferBeginInfo();
err = vkBeginCommandBuffer(cmdBuffer, &cmdBufInfo);
assert(!err);
// Load separate cube map faces into linear tiled textures
for (uint32_t i = 0; i < layerCount; ++i)
{
err = vkCreateImage(device, &imageCreateInfo, nullptr, &arrayLayer[i].image);
assert(!err);
vkGetImageMemoryRequirements(device, arrayLayer[i].image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &arrayLayer[i].memory);
assert(!err);
err = vkBindImageMemory(device, arrayLayer[i].image, arrayLayer[i].memory, 0);
assert(!err);
VkImageSubresource subRes = {};
subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResLayout;
void *data;
vkGetImageSubresourceLayout(device, arrayLayer[i].image, &subRes, &subResLayout);
assert(!err);
err = vkMapMemory(device, arrayLayer[i].memory, 0, memReqs.size, 0, &data);
assert(!err);
memcpy(data, tex2DArray[i].data(), tex2DArray[i].size());
vkUnmapMemory(device, arrayLayer[i].memory);
// Image barrier for linear image (base)
// Linear image will be used as a source for the copy
vkTools::setImageLayout(
cmdBuffer,
arrayLayer[i].image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
}
// Transfer cube map faces to optimal tiling
// Setup texture as blit target with optimal tiling
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.arrayLayers = layerCount;
err = vkCreateImage(device, &imageCreateInfo, nullptr, &textureArray.image);
assert(!err);
vkGetImageMemoryRequirements(device, textureArray.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &textureArray.deviceMemory);
assert(!err);
err = vkBindImageMemory(device, textureArray.image, textureArray.deviceMemory, 0);
assert(!err);
// Image barrier for optimal image (target)
// Set initial layout for all array layers of the optimal (target) tiled texture
VkImageSubresourceRange subresourceRange = {};
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subresourceRange.baseMipLevel = 0;
subresourceRange.levelCount = 1;
subresourceRange.layerCount = layerCount;
vkTools::setImageLayout(
cmdBuffer,
textureArray.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
subresourceRange);
// Copy cube map faces one by one
for (uint32_t i = 0; i < layerCount; ++i)
{
// Copy region for image blit
VkImageCopy copyRegion = {};
copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.srcSubresource.baseArrayLayer = 0;
copyRegion.srcSubresource.mipLevel = 0;
copyRegion.srcSubresource.layerCount = 1;
copyRegion.srcOffset = { 0, 0, 0 };
copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.dstSubresource.baseArrayLayer = i;
copyRegion.dstSubresource.mipLevel = 0;
copyRegion.dstSubresource.layerCount = 1;
copyRegion.dstOffset = { 0, 0, 0 };
copyRegion.extent.width = textureArray.width;
copyRegion.extent.height = textureArray.height;
copyRegion.extent.depth = 1;
// Put image copy into command buffer
vkCmdCopyImage(
cmdBuffer,
arrayLayer[i].image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
textureArray.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ©Region);
}
// Change texture image layout to shader read after all layers have been copied
textureArray.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
cmdBuffer,
textureArray.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
textureArray.imageLayout,
subresourceRange);
err = vkEndCommandBuffer(cmdBuffer);
assert(!err);
VkFence nullFence = { VK_NULL_HANDLE };
// Submit command buffer to graphis queue
VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &cmdBuffer;
err = vkQueueSubmit(queue, 1, &submitInfo, nullFence);
assert(!err);
err = vkQueueWaitIdle(queue);
assert(!err);
// Create sampler
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
sampler.magFilter = VK_FILTER_LINEAR;
sampler.minFilter = VK_FILTER_LINEAR;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
sampler.addressModeV = sampler.addressModeU;
sampler.addressModeW = sampler.addressModeU;
sampler.mipLodBias = 0.0f;
sampler.maxAnisotropy = 8;
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.minLod = 0.0f;
sampler.maxLod = 0.0f;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
err = vkCreateSampler(device, &sampler, nullptr, &textureArray.sampler);
assert(!err);
// Create image view
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
view.image = VK_NULL_HANDLE;
view.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
view.format = format;
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
view.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
view.subresourceRange.layerCount = layerCount;
view.image = textureArray.image;
err = vkCreateImageView(device, &view, nullptr, &textureArray.view);
assert(!err);
// Cleanup
for (auto& layer : arrayLayer)
{
vkDestroyImage(device, layer.image, nullptr);
vkFreeMemory(device, layer.memory, nullptr);
}
}
void loadTexture(const char* fileName, VkFormat format, bool forceLinearTiling)
{
VkFormatProperties formatProperties;
VkResult err;
AAsset* asset = AAssetManager_open(app->activity->assetManager, fileName, AASSET_MODE_STREAMING);
assert(asset);
size_t size = AAsset_getLength(asset);
assert(size > 0);
void *textureData = malloc(size);
AAsset_read(asset, textureData, size);
AAsset_close(asset);
gli::texture2D tex2D(gli::load((const char*)textureData, size));
assert(!tex2D.empty());
texture.width = tex2D[0].dimensions().x;
texture.height = tex2D[0].dimensions().y;
texture.mipLevels = tex2D.levels();
// Get device properites for the requested texture format
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
// Only use linear tiling if requested (and supported by the device)
// Support for linear tiling is mostly limited, so prefer to use
// optimal tiling instead
// On most implementations linear tiling will only support a very
// limited amount of formats and features (mip maps, cubemaps, arrays, etc.)
VkBool32 useStaging = true;
// Only use linear tiling if forced
if (forceLinearTiling)
{
// Don't use linear if format is not supported for (linear) shader sampling
useStaging = !(formatProperties.linearTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT);
}
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = format;
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
imageCreateInfo.usage = (useStaging) ? VK_IMAGE_USAGE_TRANSFER_SRC_BIT : VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.flags = 0;
imageCreateInfo.extent = { texture.width, texture.height, 1 };
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
startSetupCommandBuffer();
if (useStaging)
{
// Load all available mip levels into linear textures
// and copy to optimal tiling target
struct MipLevel {
VkImage image;
VkDeviceMemory memory;
};
std::vector<MipLevel> mipLevels;
mipLevels.resize(texture.mipLevels);
// Copy mip levels
for (uint32_t level = 0; level < texture.mipLevels; ++level)
{
imageCreateInfo.extent.width = tex2D[level].dimensions().x;
imageCreateInfo.extent.height = tex2D[level].dimensions().y;
imageCreateInfo.extent.depth = 1;
err = vkCreateImage(device, &imageCreateInfo, nullptr, &mipLevels[level].image);
assert(!err);
vkGetImageMemoryRequirements(device, mipLevels[level].image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &mipLevels[level].memory);
assert(!err);
err = vkBindImageMemory(device, mipLevels[level].image, mipLevels[level].memory, 0);
assert(!err);
VkImageSubresource subRes = {};
subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResLayout;
void *data;
vkGetImageSubresourceLayout(device, mipLevels[level].image, &subRes, &subResLayout);
assert(!err);
err = vkMapMemory(device, mipLevels[level].memory, 0, memReqs.size, 0, &data);
assert(!err);
size_t levelSize = tex2D[level].size();
memcpy(data, tex2D[level].data(), levelSize);
vkUnmapMemory(device, mipLevels[level].memory);
LOGW("setImageLayout %d", 1);
// Image barrier for linear image (base)
// Linear image will be used as a source for the copy
vkTools::setImageLayout(
setupCmdBuffer,
mipLevels[level].image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
}
// Setup texture as blit target with optimal tiling
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.mipLevels = texture.mipLevels;
imageCreateInfo.extent = { texture.width, texture.height, 1 };
err = vkCreateImage(device, &imageCreateInfo, nullptr, &texture.image);
assert(!err);
vkGetImageMemoryRequirements(device, texture.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &texture.deviceMemory);
assert(!err);
err = vkBindImageMemory(device, texture.image, texture.deviceMemory, 0);
assert(!err);
// Image barrier for optimal image (target)
// Optimal image will be used as destination for the copy
vkTools::setImageLayout(
setupCmdBuffer,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
// Copy mip levels one by one
for (uint32_t level = 0; level < texture.mipLevels; ++level)
{
// Copy region for image blit
VkImageCopy copyRegion = {};
copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.srcSubresource.baseArrayLayer = 0;
copyRegion.srcSubresource.mipLevel = 0;
copyRegion.srcSubresource.layerCount = 1;
copyRegion.srcOffset = { 0, 0, 0 };
copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.dstSubresource.baseArrayLayer = 0;
// Set mip level to copy the linear image to
copyRegion.dstSubresource.mipLevel = level;
copyRegion.dstSubresource.layerCount = 1;
copyRegion.dstOffset = { 0, 0, 0 };
copyRegion.extent.width = tex2D[level].dimensions().x;
copyRegion.extent.height = tex2D[level].dimensions().y;
copyRegion.extent.depth = 1;
// Put image copy into command buffer
vkCmdCopyImage(
setupCmdBuffer,
mipLevels[level].image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
texture.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ©Region);
// Change texture image layout to shader read after the copy
texture.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
setupCmdBuffer,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
texture.imageLayout);
}
// Clean up linear images
// No longer required after mip levels
// have been transformed over to optimal tiling
for (auto& level : mipLevels)
{
vkDestroyImage(device, level.image, nullptr);
vkFreeMemory(device, level.memory, nullptr);
}
}
else
{
// Prefer using optimal tiling, as linear tiling
// may support only a small set of features
// depending on implementation (e.g. no mip maps, only one layer, etc.)
VkImage mappableImage;
VkDeviceMemory mappableMemory;
// Load mip map level 0 to linear tiling image
err = vkCreateImage(device, &imageCreateInfo, nullptr, &mappableImage);
assert(!err);
// Get memory requirements for this image
// like size and alignment
vkGetImageMemoryRequirements(device, mappableImage, &memReqs);
// Set memory allocation size to required memory size
memAllocInfo.allocationSize = memReqs.size;
// Get memory type that can be mapped to host memory
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
// Allocate host memory
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &mappableMemory);
assert(!err);
// Bind allocated image for use
err = vkBindImageMemory(device, mappableImage, mappableMemory, 0);
assert(!err);
// Get sub resource layout
// Mip map count, array layer, etc.
VkImageSubresource subRes = {};
subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResLayout;
void *data;
// Get sub resources layout
// Includes row pitch, size offsets, etc.
vkGetImageSubresourceLayout(device, mappableImage, &subRes, &subResLayout);
assert(!err);
// Map image memory
err = vkMapMemory(device, mappableMemory, 0, memReqs.size, 0, &data);
assert(!err);
// Copy image data into memory
memcpy(data, tex2D[subRes.mipLevel].data(), tex2D[subRes.mipLevel].size());
vkUnmapMemory(device, mappableMemory);
// Linear tiled images don't need to be staged
// and can be directly used as textures
texture.image = mappableImage;
texture.deviceMemory = mappableMemory;
texture.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
// Setup image memory barrier
vkTools::setImageLayout(
setupCmdBuffer,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED,
texture.imageLayout);
}
flushSetupCommandBuffer();
// Create sampler
// In Vulkan textures are accessed by samplers
// This separates all the sampling information from the
// texture data
// This means you could have multiple sampler objects
// for the same texture with different settings
// Similar to the samplers available with OpenGL 3.3
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
sampler.magFilter = VK_FILTER_LINEAR;
sampler.minFilter = VK_FILTER_LINEAR;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
sampler.addressModeV = sampler.addressModeU;
sampler.addressModeW = sampler.addressModeU;
sampler.mipLodBias = 0.0f;
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.minLod = 0.0f;
// Max level-of-detail should match mip level count
sampler.maxLod = (useStaging) ? (float)texture.mipLevels : 0.0f;
// Enable anisotropic filtering
sampler.maxAnisotropy = 8;
sampler.anisotropyEnable = VK_TRUE;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
err = vkCreateSampler(device, &sampler, nullptr, &texture.sampler);
assert(!err);
// Create image view
// Textures are not directly accessed by the shaders and
// are abstracted by image views containing additional
// information and sub resource ranges
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
view.image = VK_NULL_HANDLE;
view.viewType = VK_IMAGE_VIEW_TYPE_2D;
view.format = format;
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
view.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
view.subresourceRange.baseMipLevel = 0;
view.subresourceRange.baseArrayLayer = 0;
view.subresourceRange.layerCount = 1;
// Linear tiling usually won't support mip maps
// Only set mip map count if optimal tiling is used
view.subresourceRange.levelCount = (useStaging) ? texture.mipLevels : 1;
view.image = texture.image;
err = vkCreateImageView(device, &view, nullptr, &texture.view);
assert(!err);
}
void prepareOffscreenFramebuffer()
{
createSetupCommandBuffer();
offScreenFrameBuf.width = FB_DIM;
offScreenFrameBuf.height = FB_DIM;
VkFormat fbColorFormat = FB_COLOR_FORMAT;
VkResult err;
// Color attachment
VkImageCreateInfo image = vkTools::initializers::imageCreateInfo();
image.imageType = VK_IMAGE_TYPE_2D;
image.format = fbColorFormat;
image.extent.width = offScreenFrameBuf.width;
image.extent.height = offScreenFrameBuf.height;
image.mipLevels = 1;
image.arrayLayers = 1;
image.samples = VK_SAMPLE_COUNT_1_BIT;
image.tiling = VK_IMAGE_TILING_OPTIMAL;
// Image of the framebuffer is blit source
image.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
image.flags = 0;
VkMemoryAllocateInfo memAlloc = vkTools::initializers::memoryAllocateInfo();
VkImageViewCreateInfo colorImageView = vkTools::initializers::imageViewCreateInfo();
colorImageView.viewType = VK_IMAGE_VIEW_TYPE_2D;
colorImageView.format = fbColorFormat;
colorImageView.flags = 0;
colorImageView.subresourceRange = {};
colorImageView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
colorImageView.subresourceRange.baseMipLevel = 0;
colorImageView.subresourceRange.levelCount = 1;
colorImageView.subresourceRange.baseArrayLayer = 0;
colorImageView.subresourceRange.layerCount = 1;
VkMemoryRequirements memReqs;
err = vkCreateImage(device, &image, nullptr, &offScreenFrameBuf.color.image);
assert(!err);
vkGetImageMemoryRequirements(device, offScreenFrameBuf.color.image, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAlloc.memoryTypeIndex);
err = vkAllocateMemory(device, &memAlloc, nullptr, &offScreenFrameBuf.color.mem);
assert(!err);
err = vkBindImageMemory(device, offScreenFrameBuf.color.image, offScreenFrameBuf.color.mem, 0);
assert(!err);
vkTools::setImageLayout(
setupCmdBuffer,
offScreenFrameBuf.color.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
colorImageView.image = offScreenFrameBuf.color.image;
err = vkCreateImageView(device, &colorImageView, nullptr, &offScreenFrameBuf.color.view);
assert(!err);
// Depth stencil attachment
image.format = DEPTH_FORMAT;
image.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
VkImageViewCreateInfo depthStencilView = vkTools::initializers::imageViewCreateInfo();
depthStencilView.viewType = VK_IMAGE_VIEW_TYPE_2D;
depthStencilView.format = DEPTH_FORMAT;
depthStencilView.flags = 0;
depthStencilView.subresourceRange = {};
depthStencilView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
depthStencilView.subresourceRange.baseMipLevel = 0;
depthStencilView.subresourceRange.levelCount = 1;
depthStencilView.subresourceRange.baseArrayLayer = 0;
depthStencilView.subresourceRange.layerCount = 1;
err = vkCreateImage(device, &image, nullptr, &offScreenFrameBuf.depth.image);
assert(!err);
vkGetImageMemoryRequirements(device, offScreenFrameBuf.depth.image, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAlloc.memoryTypeIndex);
err = vkAllocateMemory(device, &memAlloc, nullptr, &offScreenFrameBuf.depth.mem);
assert(!err);
err = vkBindImageMemory(device, offScreenFrameBuf.depth.image, offScreenFrameBuf.depth.mem, 0);
assert(!err);
vkTools::setImageLayout(
setupCmdBuffer,
offScreenFrameBuf.depth.image,
VK_IMAGE_ASPECT_DEPTH_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
depthStencilView.image = offScreenFrameBuf.depth.image;
err = vkCreateImageView(device, &depthStencilView, nullptr, &offScreenFrameBuf.depth.view);
assert(!err);
VkImageView attachments[2];
attachments[0] = offScreenFrameBuf.color.view;
attachments[1] = offScreenFrameBuf.depth.view;
VkFramebufferCreateInfo fbufCreateInfo = {};
fbufCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
fbufCreateInfo.pNext = NULL;
fbufCreateInfo.renderPass = renderPass;
fbufCreateInfo.attachmentCount = 2;
fbufCreateInfo.pAttachments = attachments;
fbufCreateInfo.width = offScreenFrameBuf.width;
fbufCreateInfo.height = offScreenFrameBuf.height;
fbufCreateInfo.layers = 1;
err = vkCreateFramebuffer(device, &fbufCreateInfo, nullptr, &offScreenFrameBuf.frameBuffer);
assert(!err);
flushSetupCommandBuffer();
}
void prepareVertices()
{
// Setup vertices
std::vector<Vertex> vertexBuffer;
vertexBuffer.push_back({ { 1.0f, 1.0f, 0.0f },{ 1.0f, 1.0f } });
vertexBuffer.push_back({ { -1.0f, 1.0f, 0.0f },{ 0.0f, 1.0f } });
vertexBuffer.push_back({ { -1.0f, -1.0f, 0.0f },{ 0.0f, 0.0f } });
vertexBuffer.push_back({ { 1.0f, -1.0f, 0.0f },{ 1.0f, 0.0f } });
int vertexBufferSize = vertexBuffer.size() * sizeof(Vertex);
// Setup indices
std::vector<uint32_t> indexBuffer;
indexBuffer.push_back(0);
indexBuffer.push_back(1);
indexBuffer.push_back(2);
indexBuffer.push_back(2);
indexBuffer.push_back(3);
indexBuffer.push_back(0);
int indexBufferSize = indexBuffer.size() * sizeof(uint32_t);
VkMemoryAllocateInfo memAlloc = {};
memAlloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
memAlloc.pNext = NULL;
memAlloc.allocationSize = 0;
memAlloc.memoryTypeIndex = 0;
VkMemoryRequirements memReqs;
VkResult err;
void *data;
// Generate vertex buffer
// Setup
VkBufferCreateInfo bufInfo = {};
bufInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufInfo.pNext = NULL;
bufInfo.size = vertexBufferSize;
bufInfo.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
bufInfo.flags = 0;
// Copy vertex data to VRAM
memset(&vertices, 0, sizeof(vertices));
err = vkCreateBuffer(device, &bufInfo, nullptr, &vertices.buf);
assert(!err);
vkGetBufferMemoryRequirements(device, vertices.buf, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAlloc.memoryTypeIndex);
vkAllocateMemory(device, &memAlloc, nullptr, &vertices.mem);
assert(!err);
err = vkMapMemory(device, vertices.mem, 0, memAlloc.allocationSize, 0, &data);
assert(!err);
memcpy(data, vertexBuffer.data(), vertexBufferSize);
vkUnmapMemory(device, vertices.mem);
assert(!err);
err = vkBindBufferMemory(device, vertices.buf, vertices.mem, 0);
assert(!err);
// Generate index buffer
// Setup
VkBufferCreateInfo indexbufferInfo = {};
indexbufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
indexbufferInfo.pNext = NULL;
indexbufferInfo.size = indexBufferSize;
indexbufferInfo.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
indexbufferInfo.flags = 0;
// Copy index data to VRAM
memset(&indices, 0, sizeof(indices));
err = vkCreateBuffer(device, &bufInfo, nullptr, &indices.buf);
assert(!err);
vkGetBufferMemoryRequirements(device, indices.buf, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAlloc.memoryTypeIndex);
err = vkAllocateMemory(device, &memAlloc, nullptr, &indices.mem);
assert(!err);
err = vkMapMemory(device, indices.mem, 0, indexBufferSize, 0, &data);
assert(!err);
memcpy(data, indexBuffer.data(), indexBufferSize);
vkUnmapMemory(device, indices.mem);
err = vkBindBufferMemory(device, indices.buf, indices.mem, 0);
assert(!err);
indices.count = indexBuffer.size();
// Binding description
vertices.bindingDescriptions.resize(1);
vertices.bindingDescriptions[0] =
vkTools::initializers::vertexInputBindingDescription(
VERTEX_BUFFER_BIND_ID,
sizeof(Vertex),
VK_VERTEX_INPUT_RATE_VERTEX);
// Attribute descriptions
// Describes memory layout and shader positions
vertices.attributeDescriptions.resize(2);
// Location 0 : Position
vertices.attributeDescriptions[0] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
0,
VK_FORMAT_R32G32B32_SFLOAT,
0);
// Location 1 : UV
vertices.attributeDescriptions[1] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
1,
VK_FORMAT_R32G32_SFLOAT,
sizeof(float) * 3);
// Assign to vertex buffer
vertices.inputState.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vertices.inputState.pNext = NULL;
vertices.inputState.vertexBindingDescriptionCount = vertices.bindingDescriptions.size();
vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.size();
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
}
/*
* 表示コマンド
*/
static UW
display_command(B *command)
{
INT point=0;
B cmd=0;
T_RTST rtst;
UB b;
UH h;
UW w, value1, value2;
int no, count;
char tstate[TSTATE_LEN];
count = sizeof(mon_display) / sizeof(struct SUBCOMMAND_TABLE);
if(command[point]){
for(no = 0 ; no < count ; no++){
if(compare_word(mon_display[no].subcommand, command, 0)){
skip_word(command, &point);
cmd = mon_display[no].type;
break;
}
}
}
switch(cmd){
default: /* デフォルト */
cmd = mon_datatype;
case MONDISPLAY_BYTE: /* バイト単位メモリ表示 */
case MONDISPLAY_HALF: /* ハーフ単位メモリ表示 */
case MONDISPLAY_WORD: /* ワード単位メモリ表示 */
value2 = 128;
if(!get_value(command, &point, &value1, HEX_BASE))
value1 = mon_address;
value1 = MonAlignAddress(value1);
if(command[point] == '+'){
point++;
if(!get_value(command, &point, &value2, HEX_BASE))
value2 = 128;
}
else{
if(!get_value(command, &point, &value2, HEX_BASE))
value2 = value1 + 128;
value2 -= value1;
}
mon_datatype = cmd;
while((W)value2 > 0){
printf("%08lx ", (long)value1);
for(no = 0 ; no < 16 ; no += mon_datatype){
if(no == 8)
putchar(' ');
switch(mon_datatype){
case DATA_HALF:
if(MemoryRead(value1+no, &h, 2) == 0)
h = -1;
printf("%04x ", h);
break;
case DATA_WORD:
if(MemoryRead(value1+no, &w, 4) == 0)
w = -1;
printf("%08lx ", (long)w);
break;
default:
if(MemoryRead(value1+no, &b, 1) == 0)
b = -1;
printf("%02x ", b);
break;
}
}
if(getMemoryType(value1+no, 0) == MEMORY_AREA){
for(no = 0 ; no < 16 ; no++){
if(MemoryRead(value1+no, &b, 1)){
if(b < ' ' || b >= 0xE0)
b = '.';
else if(b >= 127 && b < 0xA0)
b = '.';
}
else
b = '.';
putchar(b);
}
}
putchar('\n');
value1 += 16;
value2 -= 16;
tslp_tsk(50);
if(monitor_break())
value2 = 0;
}
mon_address = value1;
break;
case MONDISPLAY_TASK: /* タスク状態表示 */
printf("cur id pri state pc stack inistack inisize\n");
for(no = 0 ; no < tmax_tskid ; no++){
ref_tst(no+TMIN_TSKID, &rtst);
if(current_tskid == (no+TMIN_TSKID))
printf(" * ");
else
printf(" ");
if(MONTASK == (no+TMIN_TSKID))
printf(" mon");
else
printf(" %03d", no+TMIN_TSKID);
value1 = get_taskstate(rtst.tskstat);
for(count = 0 ; count < TSTATE_LEN-1 ; count++){
if((tstate[count] = task_state[value1][count]) == 0)
tstate[count] = ' ';
}
tstate[count] = 0;
printf(" %3d %s", rtst.tskpri, (VP_INT)tstate);
if(rtst.tskstat == TTS_RUN)
printf(" ");
else
printf(" %08lx", (unsigned long)rtst.tskpc);
printf(" %08lx %08lx %5ld\n", (unsigned long)rtst.tsksp, (unsigned long)rtst.inistk, (unsigned long)rtst.inistksz);
}
putchar('\n');
break;
case MONDISPLAY_REG: /* レジスタの表示 */
if(current_tskid != MONTASK)
display_registers(current_tskid);
break;
}
return 0;
}
void Model::create(const std::string& filepath)
{
std::ifstream fin(filepath.c_str(), std::ios::in | std::ios::binary);
if (fin.is_open())
{
ResHeader header = {};
fin.read(reinterpret_cast<char*>(&header), sizeof(header));
m_bindingDescriptions[0].binding = 0;
m_bindingDescriptions[0].stride = sizeof(Vertex);
m_bindingDescriptions[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
m_attributeDescriptions[0].binding = 0;
m_attributeDescriptions[0].location = 0;
m_attributeDescriptions[0].format = VK_FORMAT_R32G32B32_SFLOAT;
m_attributeDescriptions[0].offset = 0;
m_attributeDescriptions[1].binding = 0;
m_attributeDescriptions[1].location = 1;
m_attributeDescriptions[1].format = VK_FORMAT_R32G32B32_SFLOAT;
m_attributeDescriptions[1].offset = sizeof(float) * 3;
m_vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
m_vertexInputInfo.pNext = NULL;
m_vertexInputInfo.flags = 0;
m_vertexInputInfo.vertexBindingDescriptionCount = 1;
m_vertexInputInfo.pVertexBindingDescriptions = &m_bindingDescriptions[0];
m_vertexInputInfo.vertexAttributeDescriptionCount = 2;
m_vertexInputInfo.pVertexAttributeDescriptions = &m_attributeDescriptions[0];
std::unique_ptr<ResVec3> vertices;
std::unique_ptr<ResFace> faces;
vertices.reset(new ResVec3[header.numVerts]);
faces.reset(new ResFace[header.numFaces]);
fin.read(reinterpret_cast<char*>(vertices.get()), sizeof(ResVec3) * header.numVerts);
fin.read(reinterpret_cast<char*>(faces.get()), sizeof(ResFace) * header.numFaces);
{
VkBufferCreateInfo bufInfo = {};
bufInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufInfo.pNext = NULL;
bufInfo.size = getDeviceSize(sizeof(Vertex) * header.numVerts, 256);
bufInfo.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
bufInfo.flags = 0;
auto err = vkCreateBuffer(getDevice(), &bufInfo, nullptr, &m_vertices.buffer);
VkMemoryRequirements memReqs = {};
vkGetBufferMemoryRequirements(getDevice(), m_vertices.buffer, &memReqs);
VkMemoryAllocateInfo memAlloc = {};
memAlloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAlloc.memoryTypeIndex);
err = vkAllocateMemory(getDevice(), &memAlloc, nullptr, &m_vertices.memory);
Vertex* mapped = nullptr;
err = vkMapMemory(getDevice(), m_vertices.memory, 0, bufInfo.size, 0, reinterpret_cast<void**>(&mapped));
for (uint32_t i = 0; i < header.numVerts; i++)
{
mapped[i].x = vertices.get()[i].x;
mapped[i].y = vertices.get()[i].y;
mapped[i].z = vertices.get()[i].z;
mapped[i].nx = 0.0f;
mapped[i].ny = 0.0f;
mapped[i].nz = 0.0f;
}
for (uint32_t i = 0; i < header.numFaces; i++)
{
Vertex* p0 = &mapped[faces.get()[i].index[0]];
Vertex* p1 = &mapped[faces.get()[i].index[1]];
Vertex* p2 = &mapped[faces.get()[i].index[2]];
p0->nx += faces.get()[i].normal.x;
p0->ny += faces.get()[i].normal.y;
p0->nz += faces.get()[i].normal.z;
p1->nx += faces.get()[i].normal.x;
p1->ny += faces.get()[i].normal.y;
p1->nz += faces.get()[i].normal.z;
p2->nx += faces.get()[i].normal.x;
p2->ny += faces.get()[i].normal.y;
p2->nz += faces.get()[i].normal.z;
}
for (uint32_t i = 0; i < header.numVerts; i++)
{
glm::vec3 n(mapped[i].nx, mapped[i].ny, mapped[i].nz);
n = glm::normalize(n);
mapped[i].nx = n.x;
mapped[i].ny = n.y;
mapped[i].nz = n.z;
}
vkUnmapMemory(getDevice(), m_vertices.memory);
vkBindBufferMemory(getDevice(), m_vertices.buffer, m_vertices.memory, 0);
}
{
VkBufferCreateInfo bufInfo = {};
bufInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufInfo.pNext = NULL;
bufInfo.size = getDeviceSize(sizeof(uint32_t) * header.numFaces * 3, 256);
bufInfo.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
bufInfo.flags = 0;
auto err = vkCreateBuffer(getDevice(), &bufInfo, nullptr, &m_indices.buffer);
VkMemoryRequirements memReqs = {};
vkGetBufferMemoryRequirements(getDevice(), m_indices.buffer, &memReqs);
VkMemoryAllocateInfo memAlloc = {};
memAlloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAlloc.memoryTypeIndex);
err = vkAllocateMemory(getDevice(), &memAlloc, nullptr, &m_indices.memory);
uint32_t* mapped = nullptr;
err = vkMapMemory(getDevice(), m_indices.memory, 0, bufInfo.size, 0, reinterpret_cast<void**>(&mapped));
uint32_t index = 0;
for (uint32_t i = 0; i < header.numFaces; i++)
{
mapped[index + 0] = faces.get()[i].index[0];
mapped[index + 1] = faces.get()[i].index[1];
mapped[index + 2] = faces.get()[i].index[2];
index += 3;
}
vkUnmapMemory(getDevice(), m_indices.memory);
vkBindBufferMemory(getDevice(), m_indices.buffer, m_indices.memory, 0);
m_indexCount = header.numFaces * 3;
}
fin.close();
}
}
void prepareVertices()
{
// Load mesh from compressed asset
AAsset* asset = AAssetManager_open(app->activity->assetManager, "models/vulkanlogo.obj", AASSET_MODE_STREAMING);
assert(asset);
size_t size = AAsset_getLength(asset);
assert(size > 0);
char *assetData = new char[size];
AAsset_read(asset, assetData, size);
AAsset_close(asset);
std::stringstream assetStream(assetData);
std::vector<tinyobj::shape_t> shapes;
std::vector<tinyobj::material_t> materials;
std::string objerr;
tinyobj::MaterialFileReader matFileReader("");
bool ret = tinyobj::LoadObj(shapes, materials, objerr, assetStream, matFileReader, true);
LOGW("shapes %d", shapes.size());
// Setup vertices
float scale = 0.025f;
std::vector<Vertex> vertexBuffer;
std::vector<uint32_t> indexBuffer;
for (auto& shape : shapes)
{
// Vertices
for (size_t i = 0; i < shape.mesh.positions.size() / 3; i++)
{
Vertex v;
v.pos[0] = shape.mesh.positions[3 * i + 0] * scale;
v.pos[1] = -shape.mesh.positions[3 * i + 1] * scale;
v.pos[2] = shape.mesh.positions[3 * i + 2] * scale;
v.normal[0] = shape.mesh.normals[3 * i + 0];
v.normal[1] = shape.mesh.normals[3 * i + 1];
v.normal[2] = shape.mesh.normals[3 * i + 2];
v.color = glm::vec3(1.0f, 0.0f, 0.0f);
vertexBuffer.push_back(v);
}
// Indices
for (size_t i = 0; i < shape.mesh.indices.size() / 3; i++)
{
indexBuffer.push_back(shape.mesh.indices[3 * i + 0]);
indexBuffer.push_back(shape.mesh.indices[3 * i + 1]);
indexBuffer.push_back(shape.mesh.indices[3 * i + 2]);
}
}
uint32_t vertexBufferSize = vertexBuffer.size() * sizeof(Vertex);
uint32_t indexBufferSize = indexBuffer.size() * sizeof(uint32_t);
VkMemoryAllocateInfo memAlloc = {};
memAlloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
memAlloc.pNext = NULL;
memAlloc.allocationSize = 0;
memAlloc.memoryTypeIndex = 0;
VkMemoryRequirements memReqs;
VkResult err;
void *data;
// Generate vertex buffer
// Setup
VkBufferCreateInfo bufInfo = {};
bufInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufInfo.pNext = NULL;
bufInfo.size = vertexBufferSize;
bufInfo.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
bufInfo.flags = 0;
// Copy vertex data to VRAM
memset(&vertices, 0, sizeof(vertices));
err = vkCreateBuffer(device, &bufInfo, nullptr, &vertices.buf);
assert(!err);
vkGetBufferMemoryRequirements(device, vertices.buf, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAlloc.memoryTypeIndex);
vkAllocateMemory(device, &memAlloc, nullptr, &vertices.mem);
assert(!err);
err = vkMapMemory(device, vertices.mem, 0, memAlloc.allocationSize, 0, &data);
assert(!err);
memcpy(data, vertexBuffer.data(), vertexBufferSize);
vkUnmapMemory(device, vertices.mem);
assert(!err);
err = vkBindBufferMemory(device, vertices.buf, vertices.mem, 0);
assert(!err);
// Generate index buffer
// Setup
VkBufferCreateInfo indexbufferInfo = {};
indexbufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
indexbufferInfo.pNext = NULL;
indexbufferInfo.size = indexBufferSize;
indexbufferInfo.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
indexbufferInfo.flags = 0;
// Copy index data to VRAM
memset(&indices, 0, sizeof(indices));
err = vkCreateBuffer(device, &bufInfo, nullptr, &indices.buf);
assert(!err);
vkGetBufferMemoryRequirements(device, indices.buf, &memReqs);
memAlloc.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAlloc.memoryTypeIndex);
err = vkAllocateMemory(device, &memAlloc, nullptr, &indices.mem);
assert(!err);
err = vkMapMemory(device, indices.mem, 0, indexBufferSize, 0, &data);
assert(!err);
memcpy(data, indexBuffer.data(), indexBufferSize);
vkUnmapMemory(device, indices.mem);
err = vkBindBufferMemory(device, indices.buf, indices.mem, 0);
assert(!err);
indices.count = indexBuffer.size();
// Binding description
vertices.bindingDescriptions.resize(1);
vertices.bindingDescriptions[0] =
vkTools::initializers::vertexInputBindingDescription(
VERTEX_BUFFER_BIND_ID,
sizeof(Vertex),
VK_VERTEX_INPUT_RATE_VERTEX);
// Attribute descriptions
// Describes memory layout and shader positions
vertices.attributeDescriptions.resize(3);
// Location 0 : Position
vertices.attributeDescriptions[0] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
0,
VK_FORMAT_R32G32B32_SFLOAT,
0);
// Location 1 : Normal
vertices.attributeDescriptions[1] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
1,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 3);
// Location 2 : Color
vertices.attributeDescriptions[2] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
2,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 6);
// Assign to vertex buffer
vertices.inputState.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vertices.inputState.pNext = NULL;
vertices.inputState.vertexBindingDescriptionCount = vertices.bindingDescriptions.size();
vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.size();
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
}
void loadTexture(const char* filename, VkFormat format, bool forceLinearTiling)
{
VkFormatProperties formatProperties;
VkResult err;
gli::textureCube texCube(gli::load(filename));
assert(!texCube.empty());
cubeMap.width = texCube[0].dimensions().x;
cubeMap.height = texCube[0].dimensions().y;
// Get device properites for the requested texture format
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = format;
imageCreateInfo.extent = { cubeMap.width, cubeMap.height, 1 };
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
imageCreateInfo.flags = 0;
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
struct {
VkImage image;
VkDeviceMemory memory;
} cubeFace[6];
// Allocate command buffer for image copies and layouts
VkCommandBuffer cmdBuffer;
VkCommandBufferAllocateInfo cmdBufAlllocatInfo =
vkTools::initializers::commandBufferAllocateInfo(
cmdPool,
VK_COMMAND_BUFFER_LEVEL_PRIMARY,
1);
err = vkAllocateCommandBuffers(device, &cmdBufAlllocatInfo, &cmdBuffer);
assert(!err);
VkCommandBufferBeginInfo cmdBufInfo =
vkTools::initializers::commandBufferBeginInfo();
err = vkBeginCommandBuffer(cmdBuffer, &cmdBufInfo);
assert(!err);
// Load separate cube map faces into linear tiled textures
for (uint32_t face = 0; face < 6; ++face)
{
err = vkCreateImage(device, &imageCreateInfo, nullptr, &cubeFace[face].image);
assert(!err);
vkGetImageMemoryRequirements(device, cubeFace[face].image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &cubeFace[face].memory);
assert(!err);
err = vkBindImageMemory(device, cubeFace[face].image, cubeFace[face].memory, 0);
assert(!err);
VkImageSubresource subRes = {};
subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResLayout;
void *data;
vkGetImageSubresourceLayout(device, cubeFace[face].image, &subRes, &subResLayout);
assert(!err);
err = vkMapMemory(device, cubeFace[face].memory, 0, memReqs.size, 0, &data);
assert(!err);
memcpy(data, texCube[face][subRes.mipLevel].data(), texCube[face][subRes.mipLevel].size());
vkUnmapMemory(device, cubeFace[face].memory);
// Image barrier for linear image (base)
// Linear image will be used as a source for the copy
vkTools::setImageLayout(
cmdBuffer,
cubeFace[face].image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
}
// Transfer cube map faces to optimal tiling
// Setup texture as blit target with optimal tiling
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.flags = VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT;
imageCreateInfo.arrayLayers = 6;
err = vkCreateImage(device, &imageCreateInfo, nullptr, &cubeMap.image);
assert(!err);
vkGetImageMemoryRequirements(device, cubeMap.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &cubeMap.deviceMemory);
assert(!err);
err = vkBindImageMemory(device, cubeMap.image, cubeMap.deviceMemory, 0);
assert(!err);
// Image barrier for optimal image (target)
// Optimal image will be used as destination for the copy
// Set initial layout for all array layers of the optimal (target) tiled texture
VkImageSubresourceRange subresourceRange = {};
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subresourceRange.baseMipLevel = 0;
subresourceRange.levelCount = 1;
subresourceRange.layerCount = 6;
vkTools::setImageLayout(
cmdBuffer,
cubeMap.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
subresourceRange);
// Copy cube map faces one by one
for (uint32_t face = 0; face < 6; ++face)
{
// Copy region for image blit
VkImageCopy copyRegion = {};
copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.srcSubresource.baseArrayLayer = 0;
copyRegion.srcSubresource.mipLevel = 0;
copyRegion.srcSubresource.layerCount = 1;
copyRegion.srcOffset = { 0, 0, 0 };
copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
copyRegion.dstSubresource.baseArrayLayer = face;
copyRegion.dstSubresource.mipLevel = 0;
copyRegion.dstSubresource.layerCount = 1;
copyRegion.dstOffset = { 0, 0, 0 };
copyRegion.extent.width = cubeMap.width;
copyRegion.extent.height = cubeMap.height;
copyRegion.extent.depth = 1;
// Put image copy into command buffer
vkCmdCopyImage(
cmdBuffer,
cubeFace[face].image,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
cubeMap.image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, ©Region);
}
// Change texture image layout to shader read after all faces have been copied
cubeMap.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
cmdBuffer,
cubeMap.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
cubeMap.imageLayout,
subresourceRange);
err = vkEndCommandBuffer(cmdBuffer);
assert(!err);
VkFence nullFence = { VK_NULL_HANDLE };
// Submit command buffer to graphis queue
VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &cmdBuffer;
err = vkQueueSubmit(queue, 1, &submitInfo, nullFence);
assert(!err);
err = vkQueueWaitIdle(queue);
assert(!err);
// Create sampler
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
sampler.magFilter = VK_FILTER_LINEAR;
sampler.minFilter = VK_FILTER_LINEAR;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
sampler.addressModeV = sampler.addressModeU;
sampler.addressModeW = sampler.addressModeU;
sampler.mipLodBias = 0.0f;
sampler.maxAnisotropy = 8;
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.minLod = 0.0f;
sampler.maxLod = 0.0f;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
err = vkCreateSampler(device, &sampler, nullptr, &cubeMap.sampler);
assert(!err);
// Create image view
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
view.image = VK_NULL_HANDLE;
view.viewType = VK_IMAGE_VIEW_TYPE_CUBE;
view.format = format;
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
view.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
view.subresourceRange.layerCount = 6;
view.image = cubeMap.image;
err = vkCreateImageView(device, &view, nullptr, &cubeMap.view);
assert(!err);
// Cleanup
for (auto& face : cubeFace)
{
vkDestroyImage(device, face.image, nullptr);
vkFreeMemory(device, face.memory, nullptr);
}
}
void loadTextureArray(std::string filename, VkFormat format)
{
#if defined(__ANDROID__)
// Textures are stored inside the apk on Android (compressed)
// So they need to be loaded via the asset manager
AAsset* asset = AAssetManager_open(androidApp->activity->assetManager, filename.c_str(), AASSET_MODE_STREAMING);
assert(asset);
size_t size = AAsset_getLength(asset);
assert(size > 0);
void *textureData = malloc(size);
AAsset_read(asset, textureData, size);
AAsset_close(asset);
gli::texture2DArray tex2DArray(gli::load((const char*)textureData, size));
#else
gli::texture2DArray tex2DArray(gli::load(filename));
#endif
assert(!tex2DArray.empty());
textureArray.width = tex2DArray.dimensions().x;
textureArray.height = tex2DArray.dimensions().y;
layerCount = tex2DArray.layers();
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
VkMemoryRequirements memReqs;
// Create a host-visible staging buffer that contains the raw image data
VkBuffer stagingBuffer;
VkDeviceMemory stagingMemory;
VkBufferCreateInfo bufferCreateInfo = vkTools::initializers::bufferCreateInfo();
bufferCreateInfo.size = tex2DArray.size();
// This buffer is used as a transfer source for the buffer copy
bufferCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
bufferCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
vkTools::checkResult(vkCreateBuffer(device, &bufferCreateInfo, nullptr, &stagingBuffer));
// Get memory requirements for the staging buffer (alignment, memory type bits)
vkGetBufferMemoryRequirements(device, stagingBuffer, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
// Get memory type index for a host visible buffer
memAllocInfo.memoryTypeIndex = getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
vkTools::checkResult(vkAllocateMemory(device, &memAllocInfo, nullptr, &stagingMemory));
vkTools::checkResult(vkBindBufferMemory(device, stagingBuffer, stagingMemory, 0));
// Copy texture data into staging buffer
uint8_t *data;
vkTools::checkResult(vkMapMemory(device, stagingMemory, 0, memReqs.size, 0, (void **)&data));
memcpy(data, tex2DArray.data(), tex2DArray.size());
vkUnmapMemory(device, stagingMemory);
// Setup buffer copy regions for array layers
std::vector<VkBufferImageCopy> bufferCopyRegions;
uint32_t offset = 0;
// Check if all array layers have the same dimesions
bool sameDims = true;
for (uint32_t layer = 0; layer < layerCount; layer++)
{
if (tex2DArray[layer].dimensions().x != textureArray.width || tex2DArray[layer].dimensions().y != textureArray.height)
{
sameDims = false;
break;
}
}
// If all layers of the texture array have the same dimensions, we only need to do one copy
if (sameDims)
{
VkBufferImageCopy bufferCopyRegion = {};
bufferCopyRegion.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
bufferCopyRegion.imageSubresource.mipLevel = 0;
bufferCopyRegion.imageSubresource.baseArrayLayer = 0;
bufferCopyRegion.imageSubresource.layerCount = layerCount;
bufferCopyRegion.imageExtent.width = tex2DArray[0].dimensions().x;
bufferCopyRegion.imageExtent.height = tex2DArray[0].dimensions().y;
bufferCopyRegion.imageExtent.depth = 1;
bufferCopyRegion.bufferOffset = offset;
bufferCopyRegions.push_back(bufferCopyRegion);
}
else
{
// If dimensions differ, copy layer by layer and pass offsets
for (uint32_t layer = 0; layer < layerCount; layer++)
{
VkBufferImageCopy bufferCopyRegion = {};
bufferCopyRegion.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
bufferCopyRegion.imageSubresource.mipLevel = 0;
bufferCopyRegion.imageSubresource.baseArrayLayer = layer;
bufferCopyRegion.imageSubresource.layerCount = 1;
bufferCopyRegion.imageExtent.width = tex2DArray[layer].dimensions().x;
bufferCopyRegion.imageExtent.height = tex2DArray[layer].dimensions().y;
bufferCopyRegion.imageExtent.depth = 1;
bufferCopyRegion.bufferOffset = offset;
bufferCopyRegions.push_back(bufferCopyRegion);
offset += tex2DArray[layer].size();
}
}
// Create optimal tiled target image
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = format;
imageCreateInfo.mipLevels = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
imageCreateInfo.extent = { textureArray.width, textureArray.height, 1 };
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.arrayLayers = layerCount;
VK_CHECK_RESULT(vkCreateImage(device, &imageCreateInfo, nullptr, &textureArray.image));
vkGetImageMemoryRequirements(device, textureArray.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
memAllocInfo.memoryTypeIndex = getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &textureArray.deviceMemory));
VK_CHECK_RESULT(vkBindImageMemory(device, textureArray.image, textureArray.deviceMemory, 0));
VkCommandBuffer copyCmd = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
// Image barrier for optimal image (target)
// Set initial layout for all array layers (faces) of the optimal (target) tiled texture
VkImageSubresourceRange subresourceRange = {};
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subresourceRange.baseMipLevel = 0;
subresourceRange.levelCount = 1;
subresourceRange.layerCount = layerCount;
vkTools::setImageLayout(
copyCmd,
textureArray.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_PREINITIALIZED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
subresourceRange);
// Copy the cube map faces from the staging buffer to the optimal tiled image
vkCmdCopyBufferToImage(
copyCmd,
stagingBuffer,
textureArray.image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
bufferCopyRegions.size(),
bufferCopyRegions.data()
);
// Change texture image layout to shader read after all faces have been copied
textureArray.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
copyCmd,
textureArray.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
textureArray.imageLayout,
subresourceRange);
VulkanExampleBase::flushCommandBuffer(copyCmd, queue, true);
// Create sampler
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
sampler.magFilter = VK_FILTER_LINEAR;
sampler.minFilter = VK_FILTER_LINEAR;
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
sampler.addressModeV = sampler.addressModeU;
sampler.addressModeW = sampler.addressModeU;
sampler.mipLodBias = 0.0f;
sampler.maxAnisotropy = 8;
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.minLod = 0.0f;
sampler.maxLod = 0.0f;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
VK_CHECK_RESULT(vkCreateSampler(device, &sampler, nullptr, &textureArray.sampler));
// Create image view
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
view.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
view.format = format;
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
view.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
view.subresourceRange.layerCount = layerCount;
view.image = textureArray.image;
VK_CHECK_RESULT(vkCreateImageView(device, &view, nullptr, &textureArray.view));
// Clean up staging resources
vkFreeMemory(device, stagingMemory, nullptr);
vkDestroyBuffer(device, stagingBuffer, nullptr);
}