Vulkan-Hpp/samples/InitTexture/InitTexture.cpp

222 lines
10 KiB
C++

// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// 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.
//
// VulkanHpp Samples : InitTexture
// Initialize texture
#include "../utils/geometries.hpp"
#include "../utils/math.hpp"
#include "../utils/shaders.hpp"
#include "../utils/utils.hpp"
#include "SPIRV/GlslangToSpv.h"
#include "vulkan/vulkan.hpp"
#include <iostream>
static char const * AppName = "InitTexture";
static char const * EngineName = "Vulkan.hpp";
int main( int /*argc*/, char ** /*argv*/ )
{
try
{
vk::UniqueInstance instance = vk::su::createInstance( AppName, EngineName, {}, vk::su::getInstanceExtensions() );
#if !defined( NDEBUG )
vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger( instance );
#endif
vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
vk::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 50, 50 ) );
std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex =
vk::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, *surfaceData.surface );
vk::UniqueDevice device =
vk::su::createDevice( physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
vk::UniqueCommandPool commandPool = vk::su::createCommandPool( device, graphicsAndPresentQueueFamilyIndex.first );
vk::UniqueCommandBuffer commandBuffer = std::move( device
->allocateCommandBuffersUnique( vk::CommandBufferAllocateInfo(
commandPool.get(), vk::CommandBufferLevel::ePrimary, 1 ) )
.front() );
vk::Queue graphicsQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.first, 0 );
vk::Queue presentQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.second, 0 );
/* VULKAN_KEY_START */
vk::Format format = vk::Format::eR8G8B8A8Unorm;
vk::FormatProperties formatProperties = physicalDevice.getFormatProperties( format );
// See if we can use a linear tiled image for a texture, if not, we will need a staging buffer for the texture data
bool needsStaging = !( formatProperties.linearTilingFeatures & vk::FormatFeatureFlagBits::eSampledImage );
vk::UniqueImage image = device->createImageUnique(
vk::ImageCreateInfo( vk::ImageCreateFlags(),
vk::ImageType::e2D,
format,
vk::Extent3D( surfaceData.extent, 1 ),
1,
1,
vk::SampleCountFlagBits::e1,
needsStaging ? vk::ImageTiling::eOptimal : vk::ImageTiling::eLinear,
vk::ImageUsageFlagBits::eSampled |
( needsStaging ? vk::ImageUsageFlagBits::eTransferDst : vk::ImageUsageFlagBits() ),
vk::SharingMode::eExclusive,
0,
nullptr,
needsStaging ? vk::ImageLayout::eUndefined : vk::ImageLayout::ePreinitialized ) );
vk::MemoryRequirements memoryRequirements = device->getImageMemoryRequirements( image.get() );
uint32_t memoryTypeIndex = vk::su::findMemoryType(
physicalDevice.getMemoryProperties(),
memoryRequirements.memoryTypeBits,
needsStaging ? vk::MemoryPropertyFlags()
: ( vk::MemoryPropertyFlagBits::eHostVisible | vk::MemoryPropertyFlagBits::eHostCoherent ) );
// allocate memory
vk::UniqueDeviceMemory imageMemory =
device->allocateMemoryUnique( vk::MemoryAllocateInfo( memoryRequirements.size, memoryTypeIndex ) );
// bind memory
device->bindImageMemory( image.get(), imageMemory.get(), 0 );
vk::UniqueBuffer textureBuffer;
vk::UniqueDeviceMemory textureBufferMemory;
if ( needsStaging )
{
// Need a staging buffer to map and copy texture into
textureBuffer =
device->createBufferUnique( vk::BufferCreateInfo( vk::BufferCreateFlags(),
surfaceData.extent.width * surfaceData.extent.height * 4,
vk::BufferUsageFlagBits::eTransferSrc ) );
memoryRequirements = device->getBufferMemoryRequirements( textureBuffer.get() );
memoryTypeIndex =
vk::su::findMemoryType( physicalDevice.getMemoryProperties(),
memoryRequirements.memoryTypeBits,
vk::MemoryPropertyFlagBits::eHostVisible | vk::MemoryPropertyFlagBits::eHostCoherent );
// allocate memory
textureBufferMemory =
device->allocateMemoryUnique( vk::MemoryAllocateInfo( memoryRequirements.size, memoryTypeIndex ) );
// bind memory
device->bindBufferMemory( textureBuffer.get(), textureBufferMemory.get(), 0 );
}
else
{
vk::SubresourceLayout subresourceLayout =
device->getImageSubresourceLayout( image.get(), vk::ImageSubresource( vk::ImageAspectFlagBits::eColor ) );
}
void * data = device->mapMemory(
needsStaging ? textureBufferMemory.get() : imageMemory.get(), 0, memoryRequirements.size, vk::MemoryMapFlags() );
// Checkerboard of 16x16 pixel squares
unsigned char * pImageMemory = static_cast<unsigned char *>( data );
for ( uint32_t row = 0; row < surfaceData.extent.height; row++ )
{
for ( uint32_t col = 0; col < surfaceData.extent.width; col++ )
{
unsigned char rgb = ( ( ( row & 0x10 ) == 0 ) ^ ( ( col & 0x10 ) == 0 ) ) * 255;
pImageMemory[0] = rgb;
pImageMemory[1] = rgb;
pImageMemory[2] = rgb;
pImageMemory[3] = 255;
pImageMemory += 4;
}
}
device->unmapMemory( needsStaging ? textureBufferMemory.get() : imageMemory.get() );
commandBuffer->begin( vk::CommandBufferBeginInfo() );
if ( needsStaging )
{
// Since we're going to blit to the texture image, set its layout to eTransferDstOptimal
vk::su::setImageLayout(
commandBuffer, image.get(), format, vk::ImageLayout::eUndefined, vk::ImageLayout::eTransferDstOptimal );
vk::BufferImageCopy copyRegion( 0,
surfaceData.extent.width,
surfaceData.extent.height,
vk::ImageSubresourceLayers( vk::ImageAspectFlagBits::eColor, 0, 0, 1 ),
vk::Offset3D( 0, 0, 0 ),
vk::Extent3D( surfaceData.extent, 1 ) );
commandBuffer->copyBufferToImage(
textureBuffer.get(), image.get(), vk::ImageLayout::eTransferDstOptimal, copyRegion );
// Set the layout for the texture image from eTransferDstOptimal to SHADER_READ_ONLY
vk::su::setImageLayout( commandBuffer,
image.get(),
format,
vk::ImageLayout::eTransferDstOptimal,
vk::ImageLayout::eShaderReadOnlyOptimal );
}
else
{
// If we can use the linear tiled image as a texture, just do it
vk::su::setImageLayout(
commandBuffer, image.get(), format, vk::ImageLayout::ePreinitialized, vk::ImageLayout::eShaderReadOnlyOptimal );
}
commandBuffer->end();
vk::su::submitAndWait( device, graphicsQueue, commandBuffer );
vk::UniqueSampler sampler =
device->createSamplerUnique( vk::SamplerCreateInfo( vk::SamplerCreateFlags(),
vk::Filter::eNearest,
vk::Filter::eNearest,
vk::SamplerMipmapMode::eNearest,
vk::SamplerAddressMode::eClampToEdge,
vk::SamplerAddressMode::eClampToEdge,
vk::SamplerAddressMode::eClampToEdge,
0.0f,
false,
1.0f,
false,
vk::CompareOp::eNever,
0.0f,
0.0f,
vk::BorderColor::eFloatOpaqueWhite ) );
vk::ComponentMapping componentMapping(
vk::ComponentSwizzle::eR, vk::ComponentSwizzle::eG, vk::ComponentSwizzle::eB, vk::ComponentSwizzle::eA );
vk::ImageViewCreateInfo imageViewCreateInfo(
vk::ImageViewCreateFlags(),
image.get(),
vk::ImageViewType::e2D,
format,
componentMapping,
vk::ImageSubresourceRange( vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 ) );
vk::UniqueImageView imageView = device->createImageViewUnique( imageViewCreateInfo );
/* VULKAN_KEY_END */
}
catch ( vk::SystemError & err )
{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit( -1 );
}
catch ( std::runtime_error & err )
{
std::cout << "std::runtime_error: " << err.what() << std::endl;
exit( -1 );
}
catch ( ... )
{
std::cout << "unknown error\n";
exit( -1 );
}
return 0;
}