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Added runtime mip map generation examples (wip) (refs #178)

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saschawillems 2016-08-15 15:17:01 +02:00
parent 2749b846b4
commit 2758c47b86
10 changed files with 1180 additions and 1 deletions
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209
data/models/tunnel.dae Normal file
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<?xml version="1.0" encoding="utf-8"?>
<COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
<asset>
<contributor>
<author>Blender User</author>
<authoring_tool>Blender 2.77.0 commit date:2016-03-18, commit time:12:34, hash:22a2853</authoring_tool>
</contributor>
<created>2016-08-14T23:02:23</created>
<modified>2016-08-14T23:02:23</modified>
<unit name="meter" meter="1"/>
<up_axis>Z_UP</up_axis>
</asset>
<library_cameras>
<camera id="Camera-camera" name="Camera">
<optics>
<technique_common>
<perspective>
<xfov sid="xfov">49.13434</xfov>
<aspect_ratio>1.777778</aspect_ratio>
<znear sid="znear">0.1</znear>
<zfar sid="zfar">100</zfar>
</perspective>
</technique_common>
</optics>
<extra>
<technique profile="blender">
<YF_dofdist>0</YF_dofdist>
<shiftx>0</shiftx>
<shifty>0</shifty>
</technique>
</extra>
</camera>
</library_cameras>
<library_lights>
<light id="Lamp-light" name="Lamp">
<technique_common>
<point>
<color sid="color">1 1 1</color>
<constant_attenuation>1</constant_attenuation>
<linear_attenuation>0</linear_attenuation>
<quadratic_attenuation>0.00111109</quadratic_attenuation>
</point>
</technique_common>
<extra>
<technique profile="blender">
<adapt_thresh>0.000999987</adapt_thresh>
<area_shape>1</area_shape>
<area_size>0.1</area_size>
<area_sizey>0.1</area_sizey>
<area_sizez>1</area_sizez>
<atm_distance_factor>1</atm_distance_factor>
<atm_extinction_factor>1</atm_extinction_factor>
<atm_turbidity>2</atm_turbidity>
<att1>0</att1>
<att2>1</att2>
<backscattered_light>1</backscattered_light>
<bias>1</bias>
<blue>1</blue>
<buffers>1</buffers>
<bufflag>0</bufflag>
<bufsize>2880</bufsize>
<buftype>2</buftype>
<clipend>30.002</clipend>
<clipsta>1.000799</clipsta>
<compressthresh>0.04999995</compressthresh>
<dist sid="blender_dist">29.99998</dist>
<energy sid="blender_energy">1</energy>
<falloff_type>2</falloff_type>
<filtertype>0</filtertype>
<flag>0</flag>
<gamma sid="blender_gamma">1</gamma>
<green>1</green>
<halo_intensity sid="blnder_halo_intensity">1</halo_intensity>
<horizon_brightness>1</horizon_brightness>
<mode>8192</mode>
<ray_samp>1</ray_samp>
<ray_samp_method>1</ray_samp_method>
<ray_samp_type>0</ray_samp_type>
<ray_sampy>1</ray_sampy>
<ray_sampz>1</ray_sampz>
<red>1</red>
<samp>3</samp>
<shadhalostep>0</shadhalostep>
<shadow_b sid="blender_shadow_b">0</shadow_b>
<shadow_g sid="blender_shadow_g">0</shadow_g>
<shadow_r sid="blender_shadow_r">0</shadow_r>
<sky_colorspace>0</sky_colorspace>
<sky_exposure>1</sky_exposure>
<skyblendfac>1</skyblendfac>
<skyblendtype>1</skyblendtype>
<soft>3</soft>
<spotblend>0.15</spotblend>
<spotsize>75</spotsize>
<spread>1</spread>
<sun_brightness>1</sun_brightness>
<sun_effect_type>0</sun_effect_type>
<sun_intensity>1</sun_intensity>
<sun_size>1</sun_size>
<type>0</type>
</technique>
</extra>
</light>
</library_lights>
<library_images/>
<library_effects>
<effect id="Material_001-effect">
<profile_COMMON>
<technique sid="common">
<phong>
<emission>
<color sid="emission">0 0 0 1</color>
</emission>
<ambient>
<color sid="ambient">0 0 0 1</color>
</ambient>
<diffuse>
<color sid="diffuse">0.64 0.64 0.64 1</color>
</diffuse>
<specular>
<color sid="specular">0.5 0.5 0.5 1</color>
</specular>
<shininess>
<float sid="shininess">50</float>
</shininess>
<index_of_refraction>
<float sid="index_of_refraction">1</float>
</index_of_refraction>
</phong>
</technique>
</profile_COMMON>
</effect>
</library_effects>
<library_materials>
<material id="Material_001-material" name="Material_001">
<instance_effect url="#Material_001-effect"/>
</material>
</library_materials>
<library_geometries>
<geometry id="Cube_001-mesh" name="Cube.001">
<mesh>
<source id="Cube_001-mesh-positions">
<float_array id="Cube_001-mesh-positions-array" count="24">-1 -1 -1 -1 -1 1 -1 1 -1 -1 1 1 1 -1 -1 1 -1 1 1 1 -1 1 1 1</float_array>
<technique_common>
<accessor source="#Cube_001-mesh-positions-array" count="8" stride="3">
<param name="X" type="float"/>
<param name="Y" type="float"/>
<param name="Z" type="float"/>
</accessor>
</technique_common>
</source>
<source id="Cube_001-mesh-normals">
<float_array id="Cube_001-mesh-normals-array" count="12">0 1 0 0 -1 0 0 0 -1 0 0 1</float_array>
<technique_common>
<accessor source="#Cube_001-mesh-normals-array" count="4" stride="3">
<param name="X" type="float"/>
<param name="Y" type="float"/>
<param name="Z" type="float"/>
</accessor>
</technique_common>
</source>
<source id="Cube_001-mesh-map-0">
<float_array id="Cube_001-mesh-map-0-array" count="48">0.9998999 9.998e-5 9.998e-5 0.9999001 1.0001e-4 1.00099e-4 0.9999999 0 0 1 0 0 1 1 0 0 1 0 0.9999001 0.9999001 9.998e-5 9.998e-5 0.9999001 9.998e-5 0.9998999 9.998e-5 0.9998999 0.9999001 9.998e-5 0.9999001 0.9999999 0 1 0.9999999 0 1 1 1 0 1 0 0 0.9999001 0.9999001 1.0004e-4 0.9999001 9.998e-5 9.998e-5</float_array>
<technique_common>
<accessor source="#Cube_001-mesh-map-0-array" count="24" stride="2">
<param name="S" type="float"/>
<param name="T" type="float"/>
</accessor>
</technique_common>
</source>
<vertices id="Cube_001-mesh-vertices">
<input semantic="POSITION" source="#Cube_001-mesh-positions"/>
</vertices>
<polylist material="Material_001-material" count="8">
<input semantic="VERTEX" source="#Cube_001-mesh-vertices" offset="0"/>
<input semantic="NORMAL" source="#Cube_001-mesh-normals" offset="1"/>
<input semantic="TEXCOORD" source="#Cube_001-mesh-map-0" offset="2" set="0"/>
<vcount>3 3 3 3 3 3 3 3 </vcount>
<p>7 0 0 2 0 1 3 0 2 1 1 3 4 1 4 5 1 5 2 2 6 4 2 7 0 2 8 7 3 9 1 3 10 5 3 11 7 0 12 6 0 13 2 0 14 1 1 15 0 1 16 4 1 17 2 2 18 6 2 19 4 2 20 7 3 21 3 3 22 1 3 23</p>
</polylist>
</mesh>
</geometry>
</library_geometries>
<library_controllers/>
<library_visual_scenes>
<visual_scene id="Scene" name="Scene">
<node id="Camera" name="Camera" type="NODE">
<matrix sid="transform">0.6858805 -0.3173701 0.6548619 7.481132 0.7276338 0.3124686 -0.6106656 -6.50764 -0.01081678 0.8953432 0.4452454 5.343665 0 0 0 1</matrix>
<instance_camera url="#Camera-camera"/>
</node>
<node id="Lamp" name="Lamp" type="NODE">
<matrix sid="transform">-0.2908646 -0.7711008 0.5663932 4.076245 0.9551712 -0.1998834 0.2183912 1.005454 -0.05518906 0.6045247 0.7946723 5.903862 0 0 0 1</matrix>
<instance_light url="#Lamp-light"/>
</node>
<node id="Cube" name="Cube" type="NODE">
<matrix sid="transform">10 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1</matrix>
<instance_geometry url="#Cube_001-mesh" name="Cube">
<bind_material>
<technique_common>
<instance_material symbol="Material_001-material" target="#Material_001-material"/>
</technique_common>
</bind_material>
</instance_geometry>
</node>
</visual_scene>
</library_visual_scenes>
<scene>
<instance_visual_scene url="#Scene"/>
</scene>
</COLLADA>

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#version 450
#extension GL_ARB_separate_shader_objects : enable
#extension GL_ARB_shading_language_420pack : enable
layout (set = 0, binding = 1) uniform texture2D textureColor;
layout (set = 0, binding = 2) uniform sampler samplers[3];
layout (location = 0) in vec2 inUV;
layout (location = 1) in float inLodBias;
layout (location = 2) in float inSamplerIndex;
layout (location = 0) out vec4 outFragColor;
void main()
{
highp int samplerIndex = int(inSamplerIndex);
outFragColor = texture(sampler2D(textureColor, samplers[samplerIndex]), inUV, inLodBias);
}

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#version 450
#extension GL_ARB_separate_shader_objects : enable
#extension GL_ARB_shading_language_420pack : enable
layout (location = 0) in vec3 inPos;
layout (location = 1) in vec2 inUV;
layout (location = 2) in vec3 inNormal;
layout (binding = 0) uniform UBO
{
mat4 projection;
mat4 model;
vec4 viewPos;
float lodBias;
float samplerIndex;
} ubo;
layout (location = 0) out vec2 outUV;
layout (location = 1) out float outLodBias;
layout (location = 2) out float outSamplerIndex;
out gl_PerVertex
{
vec4 gl_Position;
};
void main()
{
outUV = inUV;
outUV.s *= 10.0;
outLodBias = ubo.lodBias;
outSamplerIndex = ubo.samplerIndex;
gl_Position = ubo.projection * ubo.model * vec4(inPos, 1.0);
}

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data/textures/checkerboard_nomips_rgba.ktx Normal file
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/*
* Vulkan Example - Runtime mip map generation
*
* Copyright (C) 2016 by Sascha Willems - www.saschawillems.de
*
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
*/
// todo: Fallback for sampler selection on devices that don't support shaderSampledImageArrayDynamicIndexing
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <vector>
#include <algorithm>
#define GLM_FORCE_RADIANS
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <vulkan/vulkan.h>
#include "vulkanexamplebase.h"
#include "vulkandevice.hpp"
#include "vulkanbuffer.hpp"
#define VERTEX_BUFFER_BIND_ID 0
#define ENABLE_VALIDATION false
// Vertex layout for this example
struct Vertex {
float pos[3];
float uv[2];
float normal[3];
};
std::vector<vkMeshLoader::VertexLayout> vertexLayout =
{
vkMeshLoader::VERTEX_LAYOUT_POSITION,
vkMeshLoader::VERTEX_LAYOUT_UV,
vkMeshLoader::VERTEX_LAYOUT_NORMAL
};
class VulkanExample : public VulkanExampleBase
{
public:
struct Texture {
VkImage image;
VkImageLayout imageLayout;
VkDeviceMemory deviceMemory;
VkImageView view;
uint32_t width, height;
uint32_t mipLevels;
} texture;
// To demonstrate mip mapping and filtering this example uses separate samplers
std::vector<std::string> samplerNames{ "No mip maps" , "With mip maps (bilinear)" , "With mip maps (anisotropic)" };
std::vector<VkSampler> samplers;
struct {
vkMeshLoader::MeshBuffer tunnel;
} meshes;
struct {
VkPipelineVertexInputStateCreateInfo inputState;
std::vector<VkVertexInputBindingDescription> bindingDescriptions;
std::vector<VkVertexInputAttributeDescription> attributeDescriptions;
} vertices;
vk::Buffer uniformBufferVS;
struct uboVS {
glm::mat4 projection;
glm::mat4 view;
glm::vec4 viewPos;
float lodBias = 0.0f;
float samplerIndex = 0.0f;
} uboVS;
struct {
VkPipeline solid;
} pipelines;
VkPipelineLayout pipelineLayout;
VkDescriptorSet descriptorSet;
VkDescriptorSetLayout descriptorSetLayout;
VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
{
title = "Vulkan Example - Texturing";
enableTextOverlay = true;
camera.type = Camera::CameraType::firstperson;
camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 512.0f);
camera.setRotation(glm::vec3(0.0f, 90.0f, 0.0f));
camera.setTranslation(glm::vec3(10.0f, 0.0f, 0.0f));
camera.movementSpeed = 2.5f;
camera.rotationSpeed = 0.5f;
}
~VulkanExample()
{
destroyTextureImage(texture);
vkDestroyPipeline(device, pipelines.solid, nullptr);
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
uniformBufferVS.destroy();
for (auto sampler : samplers)
{
vkDestroySampler(device, sampler, nullptr);
}
vkMeshLoader::freeMeshBufferResources(device, &meshes.tunnel);
}
void loadTexture(std::string fileName, VkFormat format, bool forceLinearTiling)
{
#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::texture2D tex2D(gli::load((const char*)textureData, size));
#else
gli::texture2D tex2D(gli::load(fileName));
#endif
assert(!tex2D.empty());
VkFormatProperties formatProperties;
texture.width = static_cast<uint32_t>(tex2D[0].dimensions().x);
texture.height = static_cast<uint32_t>(tex2D[0].dimensions().y);
// calculate num of mip maps
// numLevels = 1 + floor(log2(max(w, h, d)))
// Calculated as log2(max(width, height, depth))c + 1 (see specs)
texture.mipLevels = floor(log2(std::max(texture.width, texture.height))) + 1;
// Get device properites for the requested texture format
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
// todo check blit flags
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 = tex2D.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;
VK_CHECK_RESULT(vkCreateBuffer(device, &bufferCreateInfo, nullptr, &stagingBuffer));
vkGetBufferMemoryRequirements(device, stagingBuffer, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &stagingMemory));
VK_CHECK_RESULT(vkBindBufferMemory(device, stagingBuffer, stagingMemory, 0));
// Copy texture data into staging buffer
uint8_t *data;
VK_CHECK_RESULT(vkMapMemory(device, stagingMemory, 0, memReqs.size, 0, (void **)&data));
memcpy(data, tex2D.data(), tex2D.size());
vkUnmapMemory(device, stagingMemory);
// Create optimal tiled target image
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = format;
imageCreateInfo.mipLevels = texture.mipLevels;
imageCreateInfo.arrayLayers = 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_UNDEFINED;
imageCreateInfo.extent = { texture.width, texture.height, 1 };
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
VK_CHECK_RESULT(vkCreateImage(device, &imageCreateInfo, nullptr, &texture.image));
vkGetImageMemoryRequirements(device, texture.image, &memReqs);
memAllocInfo.allocationSize = memReqs.size;
memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &texture.deviceMemory));
VK_CHECK_RESULT(vkBindImageMemory(device, texture.image, texture.deviceMemory, 0));
VkCommandBuffer copyCmd = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
VkImageSubresourceRange subresourceRange = {};
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
subresourceRange.levelCount = 1;
subresourceRange.layerCount = 1;
// Optimal image will be used as destination for the copy, so we must transfer from our initial undefined image layout to the transfer destination layout
vkTools::setImageLayout(copyCmd, texture.image, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, subresourceRange);
// Copy the first mip of the chain, remaining mips will be generated
VkBufferImageCopy bufferCopyRegion = {};
bufferCopyRegion.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
bufferCopyRegion.imageSubresource.mipLevel = 0;
bufferCopyRegion.imageSubresource.baseArrayLayer = 0;
bufferCopyRegion.imageSubresource.layerCount = 1;
bufferCopyRegion.imageExtent.width = texture.width;
bufferCopyRegion.imageExtent.height = texture.height;
bufferCopyRegion.imageExtent.depth = 1;
vkCmdCopyBufferToImage(copyCmd, stagingBuffer, texture.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &bufferCopyRegion);
// Transition first mip level to transfer source for read during blit
texture.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
copyCmd,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
subresourceRange);
VulkanExampleBase::flushCommandBuffer(copyCmd, queue, true);
// Clean up staging resources
vkFreeMemory(device, stagingMemory, nullptr);
vkDestroyBuffer(device, stagingBuffer, nullptr);
// Generate the mip chain
// ---------------------------------------------------------------
// We copy down the whole mip chain doint a blit from mip-1 to mip
// An alternative way would be to always blit from the first mip level and sample that one down
// todo: comment
VkCommandBuffer blitCmd = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
// Copy down mips from n-1 to n
for (int32_t i = 1; i < texture.mipLevels; i++)
{
int32_t mipWidth = texture.width >> i;
int32_t mipHeight = texture.height >> i;
VkImageBlit imageBlit{};
// Source
imageBlit.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageBlit.srcSubresource.layerCount = 1;
imageBlit.srcSubresource.mipLevel = i-1;
imageBlit.srcOffsets[1].x = int32_t(texture.width >> (i - 1));
imageBlit.srcOffsets[1].y = int32_t(texture.height >> (i - 1));
imageBlit.srcOffsets[1].z = 1;
// Destination
imageBlit.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageBlit.dstSubresource.layerCount = 1;
imageBlit.dstSubresource.mipLevel = i;
imageBlit.dstOffsets[1].x = int32_t(texture.width >> i);
imageBlit.dstOffsets[1].y = int32_t(texture.height >> i);
imageBlit.dstOffsets[1].z = 1;
VkImageSubresourceRange mipSubRange = {};
mipSubRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
mipSubRange.baseMipLevel = i;
mipSubRange.levelCount = 1;
mipSubRange.layerCount = 1;
// Transiton current mip level to transfer dest
vkTools::setImageLayout(
blitCmd,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
mipSubRange);
// Blit from previous level
vkCmdBlitImage(
blitCmd,
texture.image,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
texture.image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1,
&imageBlit,
VK_FILTER_LINEAR);
// Transiton current mip level to transfer source for read in next iteration
vkTools::setImageLayout(
blitCmd,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
mipSubRange);
}
// After the loop, all mip layers are in TRANSFER_SRC layout, so transition all to SHADER_READ
subresourceRange.levelCount = texture.mipLevels;
vkTools::setImageLayout(
blitCmd,
texture.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
texture.imageLayout,
subresourceRange);
VulkanExampleBase::flushCommandBuffer(blitCmd, queue, true);
// ---------------------------------------------------------------
// Create samplers
samplers.resize(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_REPEAT;
sampler.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
sampler.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
sampler.mipLodBias = 0.0f;
sampler.compareOp = VK_COMPARE_OP_NEVER;
sampler.minLod = 0.0f;
sampler.maxLod = 0.0f;
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
sampler.maxAnisotropy = 1.0;
sampler.anisotropyEnable = VK_FALSE;
// Without mip mapping
VK_CHECK_RESULT(vkCreateSampler(device, &sampler, nullptr, &samplers[0]));
// With mip mapping
sampler.maxLod = (float)texture.mipLevels;
VK_CHECK_RESULT(vkCreateSampler(device, &sampler, nullptr, &samplers[1]));
// With mip mapping and anisotropic filtering
if (vulkanDevice->features.samplerAnisotropy)
{
sampler.maxAnisotropy = vulkanDevice->properties.limits.maxSamplerAnisotropy;
sampler.anisotropyEnable = VK_TRUE;
}
VK_CHECK_RESULT(vkCreateSampler(device, &sampler, nullptr, &samplers[2]));
// Create image view
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
view.image = texture.image;
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;
view.subresourceRange.levelCount = texture.mipLevels;
VK_CHECK_RESULT(vkCreateImageView(device, &view, nullptr, &texture.view));
}
// Free all Vulkan resources used a texture object
void destroyTextureImage(Texture texture)
{
vkDestroyImageView(device, texture.view, nullptr);
vkDestroyImage(device, texture.image, nullptr);
vkFreeMemory(device, texture.deviceMemory, nullptr);
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vkTools::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vkTools::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.solid);
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &meshes.tunnel.vertices.buf, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], meshes.tunnel.indices.buf, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(drawCmdBuffers[i], meshes.tunnel.indexCount, 1, 0, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void draw()
{
VulkanExampleBase::prepareFrame();
// Command buffer to be sumitted to the queue
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
// Submit to queue
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
VulkanExampleBase::submitFrame();
}
void loadAssets()
{
loadMesh(getAssetPath() + "models/tunnel.dae", &meshes.tunnel, vertexLayout, 1.0f);
loadTexture(getAssetPath() + "textures/checkerboard_nomips_rgba.ktx", VK_FORMAT_R8G8B8A8_UNORM, false);
}
void setupVertexDescriptions()
{
// 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,
offsetof(Vertex, pos));
// Location 1 : Texture coordinates
vertices.attributeDescriptions[1] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
1,
VK_FORMAT_R32G32_SFLOAT,
offsetof(Vertex, uv));
// Location 1 : Vertex normal
vertices.attributeDescriptions[2] =
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
2,
VK_FORMAT_R32G32B32_SFLOAT,
offsetof(Vertex, normal));
vertices.inputState = vkTools::initializers::pipelineVertexInputStateCreateInfo();
vertices.inputState.vertexBindingDescriptionCount = static_cast<uint32_t>(vertices.bindingDescriptions.size());
vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
vertices.inputState.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertices.attributeDescriptions.size());
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
}
void setupDescriptorPool()
{
std::vector<VkDescriptorPoolSize> poolSizes =
{
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1), // Vertex shader UBO
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1), // Sampled image
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_SAMPLER, 3), // 3 samplers (array)
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vkTools::initializers::descriptorPoolCreateInfo(
static_cast<uint32_t>(poolSizes.size()),
poolSizes.data(),
1);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void setupDescriptorSetLayout()
{
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings;
// Binding 0: Vertex shader uniform buffer
setLayoutBindings.push_back(vkTools::initializers::descriptorSetLayoutBinding(
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_VERTEX_BIT,
0));
// Binding 1: Sampled image
setLayoutBindings.push_back(vkTools::initializers::descriptorSetLayoutBinding(
VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
VK_SHADER_STAGE_FRAGMENT_BIT,
1));
// Binding 2: Sampler array (3 descriptors)
setLayoutBindings.push_back(vkTools::initializers::descriptorSetLayoutBinding(
VK_DESCRIPTOR_TYPE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
2,
3));
VkDescriptorSetLayoutCreateInfo descriptorLayout =
vkTools::initializers::descriptorSetLayoutCreateInfo(
setLayoutBindings.data(),
static_cast<uint32_t>(setLayoutBindings.size()));
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
vkTools::initializers::pipelineLayoutCreateInfo(
&descriptorSetLayout,
1);
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
}
void setupDescriptorSet()
{
VkDescriptorSetAllocateInfo allocInfo =
vkTools::initializers::descriptorSetAllocateInfo(
descriptorPool,
&descriptorSetLayout,
1);
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
std::vector<VkWriteDescriptorSet> writeDescriptorSets;
// Binding 0: Vertex shader uniform buffer
writeDescriptorSets.push_back(vkTools::initializers::writeDescriptorSet(
descriptorSet,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
0,
&uniformBufferVS.descriptor));
// Binding 1: Sampled image
VkDescriptorImageInfo texDescriptor = vkTools::initializers::descriptorImageInfo(VK_NULL_HANDLE, texture.view, VK_IMAGE_LAYOUT_GENERAL);
writeDescriptorSets.push_back(vkTools::initializers::writeDescriptorSet(
descriptorSet,
VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
1,
&texDescriptor));
// Binding 2: Sampler array
std::vector<VkDescriptorImageInfo> samplerDescriptors;
for (auto i = 0; i < samplers.size(); i++)
{
samplerDescriptors.push_back(vkTools::initializers::descriptorImageInfo(samplers[i], VK_NULL_HANDLE, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL));
}
VkWriteDescriptorSet samplerDescriptorWrite{};
samplerDescriptorWrite.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
samplerDescriptorWrite.dstSet = descriptorSet;
samplerDescriptorWrite.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER;
samplerDescriptorWrite.descriptorCount = static_cast<uint32_t>(samplerDescriptors.size());
samplerDescriptorWrite.pImageInfo = samplerDescriptors.data();
samplerDescriptorWrite.dstBinding = 2;
samplerDescriptorWrite.dstArrayElement = 0;
writeDescriptorSets.push_back(samplerDescriptorWrite);
vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, NULL);
}
void preparePipelines()
{
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
vkTools::initializers::pipelineInputAssemblyStateCreateInfo(
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
0,
VK_FALSE);
VkPipelineRasterizationStateCreateInfo rasterizationState =
vkTools::initializers::pipelineRasterizationStateCreateInfo(
VK_POLYGON_MODE_FILL,
VK_CULL_MODE_BACK_BIT,
VK_FRONT_FACE_COUNTER_CLOCKWISE,
0);
VkPipelineColorBlendAttachmentState blendAttachmentState =
vkTools::initializers::pipelineColorBlendAttachmentState(
0xf,
VK_FALSE);
VkPipelineColorBlendStateCreateInfo colorBlendState =
vkTools::initializers::pipelineColorBlendStateCreateInfo(
1,
&blendAttachmentState);
VkPipelineDepthStencilStateCreateInfo depthStencilState =
vkTools::initializers::pipelineDepthStencilStateCreateInfo(
VK_TRUE,
VK_TRUE,
VK_COMPARE_OP_LESS_OR_EQUAL);
VkPipelineViewportStateCreateInfo viewportState =
vkTools::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
VkPipelineMultisampleStateCreateInfo multisampleState =
vkTools::initializers::pipelineMultisampleStateCreateInfo(
VK_SAMPLE_COUNT_1_BIT,
0);
std::vector<VkDynamicState> dynamicStateEnables = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR
};
VkPipelineDynamicStateCreateInfo dynamicState =
vkTools::initializers::pipelineDynamicStateCreateInfo(
dynamicStateEnables.data(),
static_cast<uint32_t>(dynamicStateEnables.size()),
0);
// Load shaders
std::array<VkPipelineShaderStageCreateInfo,2> shaderStages;
shaderStages[0] = loadShader(getAssetPath() + "shaders/texturemipmapgen/texture.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages[1] = loadShader(getAssetPath() + "shaders/texturemipmapgen/texture.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
vkTools::initializers::pipelineCreateInfo(
pipelineLayout,
renderPass,
0);
pipelineCreateInfo.pVertexInputState = &vertices.inputState;
pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
pipelineCreateInfo.pRasterizationState = &rasterizationState;
pipelineCreateInfo.pColorBlendState = &colorBlendState;
pipelineCreateInfo.pMultisampleState = &multisampleState;
pipelineCreateInfo.pViewportState = &viewportState;
pipelineCreateInfo.pDepthStencilState = &depthStencilState;
pipelineCreateInfo.pDynamicState = &dynamicState;
pipelineCreateInfo.stageCount = static_cast<uint32_t>(shaderStages.size());
pipelineCreateInfo.pStages = shaderStages.data();
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.solid));
}
// Prepare and initialize uniform buffer containing shader uniforms
void prepareUniformBuffers()
{
// Vertex shader uniform buffer block
VK_CHECK_RESULT(vulkanDevice->createBuffer(
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
&uniformBufferVS,
sizeof(uboVS),
&uboVS));
updateUniformBuffers();
}
void updateUniformBuffers()
{
uboVS.projection = camera.matrices.perspective;
uboVS.view = camera.matrices.view;
VK_CHECK_RESULT(uniformBufferVS.map());
memcpy(uniformBufferVS.mapped, &uboVS, sizeof(uboVS));
uniformBufferVS.unmap();
}
void prepare()
{
VulkanExampleBase::prepare();
loadAssets();
setupVertexDescriptions();
prepareUniformBuffers();
setupDescriptorSetLayout();
preparePipelines();
setupDescriptorPool();
setupDescriptorSet();
buildCommandBuffers();
prepared = true;
}
virtual void render()
{
if (!prepared)
return;
draw();
}
virtual void viewChanged()
{
updateUniformBuffers();
}
void changeLodBias(float delta)
{
uboVS.lodBias += delta;
if (uboVS.lodBias < 0.0f)
{
uboVS.lodBias = 0.0f;
}
if (uboVS.lodBias > texture.mipLevels)
{
uboVS.lodBias = (float)texture.mipLevels;
}
updateUniformBuffers();
updateTextOverlay();
}
void toggleSampler()
{
uboVS.samplerIndex = (uboVS.samplerIndex < static_cast<uint32_t>(samplers.size()) - 1) ? uboVS.samplerIndex + 1 : 0;
updateUniformBuffers();
}
virtual void keyPressed(uint32_t keyCode)
{
switch (keyCode)
{
case KEY_KPADD:
case GAMEPAD_BUTTON_R1:
changeLodBias(0.1f);
break;
case KEY_KPSUB:
case GAMEPAD_BUTTON_L1:
changeLodBias(-0.1f);
break;
case KEY_F:
case GAMEPAD_BUTTON_A:
toggleSampler();
break;
}
}
virtual void getOverlayText(VulkanTextOverlay *textOverlay)
{
std::stringstream ss;
ss << std::setprecision(2) << std::fixed << uboVS.lodBias;
#if defined(__ANDROID__)
textOverlay->addText("LOD bias: " + ss.str() + " (Buttons L1/R1 to change)", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("Sampler: " + samplerNames[uboVS.samplerIndex] + " (\"Button A\" to toggle)", 5.0f, 105.0f, VulkanTextOverlay::alignLeft);
#else
textOverlay->addText("LOD bias: " + ss.str() + " (numpad +/- to change)", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("Sampler: " + samplerNames[uboVS.samplerIndex] + " (\"f\" to toggle)", 5.0f, 105.0f, VulkanTextOverlay::alignLeft);
#endif
}
};
VULKAN_EXAMPLE_MAIN()

99
texturemipmapgen/texturemipmapgen.vcxproj Normal file
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@ -0,0 +1,99 @@
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<PropertyGroup Label="Globals">
<ProjectGuid>{24AD09B4-6ABE-4A82-83E7-6A7799A88762}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<ClCompile>
<PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;VK_USE_PLATFORM_WIN32_KHR;_USE_MATH_DEFINES;NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<AdditionalOptions>/FS %(AdditionalOptions)</AdditionalOptions>
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<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<ClCompile Include="..\base\vulkandebug.cpp" />
<ClCompile Include="..\base\vulkanexamplebase.cpp" />
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53
texturemipmapgen/texturemipmapgen.vcxproj.filters Normal file
View file

@ -0,0 +1,53 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
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<Filter Include="Header Files">
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<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav</Extensions>
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<ClCompile Include="texturemipmapgen.cpp">
<Filter>Source Files</Filter>
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8
vulkanExamples.sln
View file

@ -1,7 +1,7 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 14
VisualStudioVersion = 14.0.24720.0
VisualStudioVersion = 14.0.25420.1
MinimumVisualStudioVersion = 10.0.40219.1
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "tessellation", "tessellation\tessellation.vcxproj", "{015C3F70-FFCE-45DA-80E0-5DED015868D7}"
EndProject
@ -97,6 +97,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "indirectdraw", "indirectdraw\indirectdraw.vcxproj", "{2BBDD10F-2C9D-4BEA-8C7B-1C510A2CE08B}"
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "texturemipmapgen", "texturemipmapgen\texturemipmapgen.vcxproj", "{24AD09B4-6ABE-4A82-83E7-6A7799A88762}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|x64 = Debug|x64
@ -247,6 +249,10 @@ Global
{2BBDD10F-2C9D-4BEA-8C7B-1C510A2CE08B}.Debug|x64.Build.0 = Debug|x64
{2BBDD10F-2C9D-4BEA-8C7B-1C510A2CE08B}.Release|x64.ActiveCfg = Release|x64
{2BBDD10F-2C9D-4BEA-8C7B-1C510A2CE08B}.Release|x64.Build.0 = Release|x64
{24AD09B4-6ABE-4A82-83E7-6A7799A88762}.Debug|x64.ActiveCfg = Debug|x64
{24AD09B4-6ABE-4A82-83E7-6A7799A88762}.Debug|x64.Build.0 = Debug|x64
{24AD09B4-6ABE-4A82-83E7-6A7799A88762}.Release|x64.ActiveCfg = Release|x64
{24AD09B4-6ABE-4A82-83E7-6A7799A88762}.Release|x64.Build.0 = Release|x64
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE