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main.cpp
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// MIT License
//
// Copyright( c ) 2017 Packt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files( the "Software" ), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions :
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// Vulkan Cookbook
// ISBN: 9781786468154
// © Packt Publishing Limited
//
// Author: Pawel Lapinski
// LinkedIn: https://www.linkedin.com/in/pawel-lapinski-84522329
//
// 11-Drawing_Vertex_Normals
#include "CookbookSampleFramework.h"
using namespace VulkanCookbook;
class Sample : public VulkanCookbookSample {
Mesh Model;
VkDestroyer(VkBuffer) VertexBuffer;
VkDestroyer(VkDeviceMemory) VertexBufferMemory;
VkDestroyer(VkBuffer) UniformBuffer;
VkDestroyer(VkDeviceMemory) UniformBufferMemory;
VkDestroyer(VkDescriptorSetLayout) DescriptorSetLayout;
VkDestroyer(VkDescriptorPool) DescriptorPool;
std::vector<VkDescriptorSet> DescriptorSets;
VkDestroyer(VkRenderPass) RenderPass;
VkDestroyer(VkPipelineLayout) PipelineLayout;
VkDestroyer(VkPipeline) ModelPipeline;
VkDestroyer(VkPipeline) NormalsPipeline;
virtual bool Initialize( WindowParameters window_parameters ) override {
VkPhysicalDeviceFeatures device_features = {};
device_features.geometryShader = true;
if( !InitializeVulkan( window_parameters, &device_features, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, false ) ) {
return false;
}
// Vertex data
if( !Load3DModelFromObjFile( "Data/Models/sphere.obj", true, false, false, true, Model ) ) {
return false;
}
InitVkDestroyer( LogicalDevice, VertexBuffer );
if( !CreateBuffer( *LogicalDevice, sizeof( Model.Data[0] ) * Model.Data.size(),
VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, *VertexBuffer ) ) {
return false;
}
InitVkDestroyer( LogicalDevice, VertexBufferMemory );
if( !AllocateAndBindMemoryObjectToBuffer( PhysicalDevice, *LogicalDevice, *VertexBuffer, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, *VertexBufferMemory ) ) {
return false;
}
if( !UseStagingBufferToUpdateBufferWithDeviceLocalMemoryBound( PhysicalDevice, *LogicalDevice, sizeof( Model.Data[0] ) * Model.Data.size(),
&Model.Data[0], *VertexBuffer, 0, 0, VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
GraphicsQueue.Handle, FramesResources.front().CommandBuffer, {} ) ) {
return false;
}
// Uniform buffer
InitVkDestroyer( LogicalDevice, UniformBuffer );
InitVkDestroyer( LogicalDevice, UniformBufferMemory );
if( !CreateUniformBuffer( PhysicalDevice, *LogicalDevice, 2 * 16 * sizeof( float ), VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
*UniformBuffer, *UniformBufferMemory ) ) {
return false;
}
if( !UpdateUniformBuffer() ) {
return false;
}
// Descriptor set with uniform buffer
VkDescriptorSetLayoutBinding descriptor_set_layout_binding = {
0, // uint32_t binding
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, // VkDescriptorType descriptorType
1, // uint32_t descriptorCount
VK_SHADER_STAGE_VERTEX_BIT | // VkShaderStageFlags stageFlags
VK_SHADER_STAGE_GEOMETRY_BIT,
nullptr // const VkSampler * pImmutableSamplers
};
InitVkDestroyer( LogicalDevice, DescriptorSetLayout );
if( !CreateDescriptorSetLayout( *LogicalDevice, { descriptor_set_layout_binding }, *DescriptorSetLayout ) ) {
return false;
}
VkDescriptorPoolSize descriptor_pool_size = {
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, // VkDescriptorType type
1 // uint32_t descriptorCount
};
InitVkDestroyer( LogicalDevice, DescriptorPool );
if( !CreateDescriptorPool( *LogicalDevice, false, 1, { descriptor_pool_size }, *DescriptorPool ) ) {
return false;
}
if( !AllocateDescriptorSets( *LogicalDevice, *DescriptorPool, { *DescriptorSetLayout }, DescriptorSets ) ) {
return false;
}
BufferDescriptorInfo buffer_descriptor_update = {
DescriptorSets[0], // VkDescriptorSet TargetDescriptorSet
0, // uint32_t TargetDescriptorBinding
0, // uint32_t TargetArrayElement
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, // VkDescriptorType TargetDescriptorType
{ // std::vector<VkDescriptorBufferInfo> BufferInfos
{
*UniformBuffer, // VkBuffer buffer
0, // VkDeviceSize offset
VK_WHOLE_SIZE // VkDeviceSize range
}
}
};
UpdateDescriptorSets( *LogicalDevice, {}, { buffer_descriptor_update }, {}, {} );
// Render pass
std::vector<VkAttachmentDescription> attachment_descriptions = {
{
0, // VkAttachmentDescriptionFlags flags
Swapchain.Format, // VkFormat format
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp
VK_IMAGE_LAYOUT_UNDEFINED, // VkImageLayout initialLayout
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR // VkImageLayout finalLayout
}
};
std::vector<SubpassParameters> subpass_parameters = {
{
VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint PipelineType
{}, // std::vector<VkAttachmentReference> InputAttachments
{
{ // std::vector<VkAttachmentReference> ColorAttachments
0, // uint32_t attachment
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout layout
}
},
{}, // std::vector<VkAttachmentReference> ResolveAttachments
nullptr, // VkAttachmentReference const * DepthStencilAttachment
{} // std::vector<uint32_t> PreserveAttachments
}
};
std::vector<VkSubpassDependency> subpass_dependencies = {
{
VK_SUBPASS_EXTERNAL, // uint32_t srcSubpass
0, // uint32_t dstSubpass
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, // VkPipelineStageFlags srcStageMask
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, // VkPipelineStageFlags dstStageMask
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags dstAccessMask
VK_DEPENDENCY_BY_REGION_BIT // VkDependencyFlags dependencyFlags
},
{
0, // uint32_t srcSubpass
VK_SUBPASS_EXTERNAL, // uint32_t dstSubpass
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, // VkPipelineStageFlags srcStageMask
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, // VkPipelineStageFlags dstStageMask
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags dstAccessMask
VK_DEPENDENCY_BY_REGION_BIT // VkDependencyFlags dependencyFlags
}
};
InitVkDestroyer( LogicalDevice, RenderPass );
if( !CreateRenderPass( *LogicalDevice, attachment_descriptions, subpass_parameters, subpass_dependencies, *RenderPass ) ) {
return false;
}
// Graphics pipeline
// Model
std::vector<unsigned char> vertex_shader_spirv;
if( !GetBinaryFileContents( "Data/Shaders/Other/11 Drawing Vertex Normals/model.vert.spv", vertex_shader_spirv ) ) {
return false;
}
VkDestroyer(VkShaderModule) vertex_shader_module;
InitVkDestroyer( LogicalDevice, vertex_shader_module );
if( !CreateShaderModule( *LogicalDevice, vertex_shader_spirv, *vertex_shader_module ) ) {
return false;
}
std::vector<unsigned char> fragment_shader_spirv;
if( !GetBinaryFileContents( "Data/Shaders/Other/11 Drawing Vertex Normals/model.frag.spv", fragment_shader_spirv ) ) {
return false;
}
VkDestroyer(VkShaderModule) fragment_shader_module;
InitVkDestroyer( LogicalDevice, fragment_shader_module );
if( !CreateShaderModule( *LogicalDevice, fragment_shader_spirv, *fragment_shader_module ) ) {
return false;
}
std::vector<ShaderStageParameters> shader_stage_params = {
{
VK_SHADER_STAGE_VERTEX_BIT, // VkShaderStageFlagBits ShaderStage
*vertex_shader_module, // VkShaderModule ShaderModule
"main", // char const * EntryPointName;
nullptr // VkSpecializationInfo const * SpecializationInfo;
},
{
VK_SHADER_STAGE_FRAGMENT_BIT, // VkShaderStageFlagBits ShaderStage
*fragment_shader_module, // VkShaderModule ShaderModule
"main", // char const * EntryPointName
nullptr // VkSpecializationInfo const * SpecializationInfo
}
};
std::vector<VkPipelineShaderStageCreateInfo> shader_stage_create_infos;
SpecifyPipelineShaderStages( shader_stage_params, shader_stage_create_infos );
// Normals
std::vector<unsigned char> normals_vertex_shader_spirv;
if( !GetBinaryFileContents( "Data/Shaders/Other/11 Drawing Vertex Normals/normals.vert.spv", normals_vertex_shader_spirv ) ) {
return false;
}
VkDestroyer(VkShaderModule) normals_vertex_shader_module;
InitVkDestroyer( LogicalDevice, normals_vertex_shader_module );
if( !CreateShaderModule( *LogicalDevice, normals_vertex_shader_spirv, *normals_vertex_shader_module ) ) {
return false;
}
std::vector<unsigned char> normals_geometry_shader_spirv;
if( !GetBinaryFileContents( "Data/Shaders/Other/11 Drawing Vertex Normals/normals.geom.spv", normals_geometry_shader_spirv ) ) {
return false;
}
VkDestroyer(VkShaderModule) normals_geometry_shader_module;
InitVkDestroyer( LogicalDevice, normals_geometry_shader_module );
if( !CreateShaderModule( *LogicalDevice, normals_geometry_shader_spirv, *normals_geometry_shader_module ) ) {
return false;
}
std::vector<unsigned char> normals_fragment_shader_spirv;
if( !GetBinaryFileContents( "Data/Shaders/Other/11 Drawing Vertex Normals/normals.frag.spv", normals_fragment_shader_spirv ) ) {
return false;
}
VkDestroyer(VkShaderModule) normals_fragment_shader_module;
InitVkDestroyer( LogicalDevice, normals_fragment_shader_module );
if( !CreateShaderModule( *LogicalDevice, normals_fragment_shader_spirv, *normals_fragment_shader_module ) ) {
return false;
}
std::vector<ShaderStageParameters> normals_shader_stage_params = {
{
VK_SHADER_STAGE_VERTEX_BIT, // VkShaderStageFlagBits ShaderStage
*normals_vertex_shader_module, // VkShaderModule ShaderModule
"main", // char const * EntryPointName;
nullptr // VkSpecializationInfo const * SpecializationInfo;
},
{
VK_SHADER_STAGE_GEOMETRY_BIT, // VkShaderStageFlagBits ShaderStage
*normals_geometry_shader_module, // VkShaderModule ShaderModule
"main", // char const * EntryPointName;
nullptr // VkSpecializationInfo const * SpecializationInfo;
},
{
VK_SHADER_STAGE_FRAGMENT_BIT, // VkShaderStageFlagBits ShaderStage
*normals_fragment_shader_module, // VkShaderModule ShaderModule
"main", // char const * EntryPointName
nullptr // VkSpecializationInfo const * SpecializationInfo
}
};
std::vector<VkPipelineShaderStageCreateInfo> normals_shader_stage_create_infos;
SpecifyPipelineShaderStages( normals_shader_stage_params, normals_shader_stage_create_infos );
std::vector<VkVertexInputBindingDescription> vertex_input_binding_descriptions = {
{
0, // uint32_t binding
6 * sizeof( float ), // uint32_t stride
VK_VERTEX_INPUT_RATE_VERTEX // VkVertexInputRate inputRate
}
};
std::vector<VkVertexInputAttributeDescription> vertex_attribute_descriptions = {
{
0, // uint32_t location
0, // uint32_t binding
VK_FORMAT_R32G32B32_SFLOAT, // VkFormat format
0 // uint32_t offset
},
{
1, // uint32_t location
0, // uint32_t binding
VK_FORMAT_R32G32B32_SFLOAT, // VkFormat format
3 * sizeof( float ) // uint32_t offset
}
};
VkPipelineVertexInputStateCreateInfo vertex_input_state_create_info;
SpecifyPipelineVertexInputState( vertex_input_binding_descriptions, vertex_attribute_descriptions, vertex_input_state_create_info );
VkPipelineInputAssemblyStateCreateInfo input_assembly_state_create_info;
SpecifyPipelineInputAssemblyState( VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, false, input_assembly_state_create_info );
ViewportInfo viewport_infos = {
{ // std::vector<VkViewport> Viewports
{
0.0f, // float x
0.0f, // float y
500.0f, // float width
500.0f, // float height
0.0f, // float minDepth
1.0f // float maxDepth
}
},
{ // std::vector<VkRect2D> Scissors
{
{ // VkOffset2D offset
0, // int32_t x
0 // int32_t y
},
{ // VkExtent2D extent
500, // uint32_t width
500 // uint32_t height
}
}
}
};
VkPipelineViewportStateCreateInfo viewport_state_create_info;
SpecifyPipelineViewportAndScissorTestState( viewport_infos, viewport_state_create_info );
VkPipelineRasterizationStateCreateInfo rasterization_state_create_info;
SpecifyPipelineRasterizationState( false, false, VK_POLYGON_MODE_FILL, VK_CULL_MODE_NONE, VK_FRONT_FACE_CLOCKWISE, false, 0.0f, 0.0f, 0.0f, 1.0f, rasterization_state_create_info );
VkPipelineMultisampleStateCreateInfo multisample_state_create_info;
SpecifyPipelineMultisampleState( VK_SAMPLE_COUNT_1_BIT, false, 0.0f, nullptr, false, false, multisample_state_create_info );
std::vector<VkPipelineColorBlendAttachmentState> attachment_blend_states = {
{
false, // VkBool32 blendEnable
VK_BLEND_FACTOR_ONE, // VkBlendFactor srcColorBlendFactor
VK_BLEND_FACTOR_ONE, // VkBlendFactor dstColorBlendFactor
VK_BLEND_OP_ADD, // VkBlendOp colorBlendOp
VK_BLEND_FACTOR_ONE, // VkBlendFactor srcAlphaBlendFactor
VK_BLEND_FACTOR_ONE, // VkBlendFactor dstAlphaBlendFactor
VK_BLEND_OP_ADD, // VkBlendOp alphaBlendOp
VK_COLOR_COMPONENT_R_BIT | // VkColorComponentFlags colorWriteMask
VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT |
VK_COLOR_COMPONENT_A_BIT
}
};
VkPipelineColorBlendStateCreateInfo blend_state_create_info;
SpecifyPipelineBlendState( false, VK_LOGIC_OP_COPY, attachment_blend_states, { 1.0f, 1.0f, 1.0f, 1.0f }, blend_state_create_info );
std::vector<VkDynamicState> dynamic_states = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR
};
VkPipelineDynamicStateCreateInfo dynamic_state_create_info;
SpecifyPipelineDynamicStates( dynamic_states, dynamic_state_create_info );
InitVkDestroyer( LogicalDevice, PipelineLayout );
if( !CreatePipelineLayout( *LogicalDevice, { *DescriptorSetLayout }, {}, *PipelineLayout ) ) {
return false;
}
VkGraphicsPipelineCreateInfo model_pipeline_create_info;
SpecifyGraphicsPipelineCreationParameters( 0, shader_stage_create_infos, vertex_input_state_create_info, input_assembly_state_create_info,
nullptr, &viewport_state_create_info, rasterization_state_create_info, &multisample_state_create_info, nullptr, &blend_state_create_info,
&dynamic_state_create_info, *PipelineLayout, *RenderPass, 0, VK_NULL_HANDLE, -1, model_pipeline_create_info );
std::vector<VkPipeline> model_pipeline;
if( !CreateGraphicsPipelines( *LogicalDevice, { model_pipeline_create_info }, VK_NULL_HANDLE, model_pipeline ) ) {
return false;
}
InitVkDestroyer( LogicalDevice, ModelPipeline );
*ModelPipeline = model_pipeline[0];
VkGraphicsPipelineCreateInfo normals_pipeline_create_info;
SpecifyGraphicsPipelineCreationParameters( 0, normals_shader_stage_create_infos, vertex_input_state_create_info, input_assembly_state_create_info,
nullptr, &viewport_state_create_info, rasterization_state_create_info, &multisample_state_create_info, nullptr, &blend_state_create_info,
&dynamic_state_create_info, *PipelineLayout, *RenderPass, 0, VK_NULL_HANDLE, -1, normals_pipeline_create_info );
std::vector<VkPipeline> normals_pipeline;
if( !CreateGraphicsPipelines( *LogicalDevice, { normals_pipeline_create_info }, VK_NULL_HANDLE, normals_pipeline ) ) {
return false;
}
InitVkDestroyer( LogicalDevice, NormalsPipeline );
*NormalsPipeline = normals_pipeline[0];
return true;
}
virtual bool Draw() override {
auto prepare_frame = [&]( VkCommandBuffer command_buffer, uint32_t swapchain_image_index, VkFramebuffer framebuffer ) {
if( !BeginCommandBufferRecordingOperation( command_buffer, VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT, nullptr ) ) {
return false;
}
if( PresentQueue.FamilyIndex != GraphicsQueue.FamilyIndex ) {
ImageTransition image_transition_before_drawing = {
Swapchain.Images[swapchain_image_index], // VkImage Image
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags CurrentAccess
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags NewAccess
VK_IMAGE_LAYOUT_UNDEFINED, // VkImageLayout CurrentLayout
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout NewLayout
PresentQueue.FamilyIndex, // uint32_t CurrentQueueFamily
GraphicsQueue.FamilyIndex, // uint32_t NewQueueFamily
VK_IMAGE_ASPECT_COLOR_BIT // VkImageAspectFlags Aspect
};
SetImageMemoryBarrier( command_buffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, { image_transition_before_drawing } );
}
// Drawing
BeginRenderPass( command_buffer, *RenderPass, framebuffer, { { 0, 0 }, Swapchain.Size }, { { 0.1f, 0.2f, 0.3f, 1.0f } }, VK_SUBPASS_CONTENTS_INLINE );
VkViewport viewport = {
0.0f, // float x
0.0f, // float y
static_cast<float>(Swapchain.Size.width), // float width
static_cast<float>(Swapchain.Size.height), // float height
0.0f, // float minDepth
1.0f, // float maxDepth
};
SetViewportStateDynamically( command_buffer, 0, { viewport } );
VkRect2D scissor = {
{ // VkOffset2D offset
0, // int32_t x
0 // int32_t y
},
{ // VkExtent2D extent
Swapchain.Size.width, // uint32_t width
Swapchain.Size.height // uint32_t height
}
};
SetScissorStateDynamically( command_buffer, 0, { scissor } );
BindVertexBuffers( command_buffer, 0, { { *VertexBuffer, 0 } } );
BindDescriptorSets( command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *PipelineLayout, 0, DescriptorSets, {} );
BindPipelineObject( command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *ModelPipeline );
for( size_t i = 0; i < Model.Parts.size(); ++i ) {
DrawGeometry( command_buffer, Model.Parts[i].VertexCount, 1, Model.Parts[i].VertexOffset, 0 );
}
BindPipelineObject( command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *NormalsPipeline );
for( size_t i = 0; i < Model.Parts.size(); ++i ) {
DrawGeometry( command_buffer, Model.Parts[i].VertexCount, 1, Model.Parts[i].VertexOffset, 0 );
}
EndRenderPass( command_buffer );
if( PresentQueue.FamilyIndex != GraphicsQueue.FamilyIndex ) {
ImageTransition image_transition_before_present = {
Swapchain.Images[swapchain_image_index], // VkImage Image
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags CurrentAccess
VK_ACCESS_MEMORY_READ_BIT, // VkAccessFlags NewAccess
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout CurrentLayout
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // VkImageLayout NewLayout
GraphicsQueue.FamilyIndex, // uint32_t CurrentQueueFamily
PresentQueue.FamilyIndex, // uint32_t NewQueueFamily
VK_IMAGE_ASPECT_COLOR_BIT // VkImageAspectFlags Aspect
};
SetImageMemoryBarrier( command_buffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, { image_transition_before_present } );
}
if( !EndCommandBufferRecordingOperation( command_buffer ) ) {
return false;
}
return true;
};
return IncreasePerformanceThroughIncreasingTheNumberOfSeparatelyRenderedFrames( *LogicalDevice, GraphicsQueue.Handle, PresentQueue.Handle,
*Swapchain.Handle, Swapchain.Size, Swapchain.ImageViewsRaw, *RenderPass, {}, prepare_frame, FramesResources );
}
bool UpdateUniformBuffer() {
Matrix4x4 rotation_matrix = PrepareRotationMatrix( 40.0f, { 0.0f, -1.0f, 0.0f } );
Matrix4x4 translation_matrix = PrepareTranslationMatrix( 0.0f, 0.0f, -3.0f );
Matrix4x4 model_view_matrix = translation_matrix * rotation_matrix;
Matrix4x4 perspective_matrix = PreparePerspectiveProjectionMatrix( static_cast<float>(Swapchain.Size.width) / static_cast<float>(Swapchain.Size.height),
50.0f, 1.0f, 2.6f );
if( !UseStagingBufferToUpdateBufferWithDeviceLocalMemoryBound( PhysicalDevice, *LogicalDevice, sizeof( model_view_matrix[0] ) * model_view_matrix.size(),
&model_view_matrix[0], *UniformBuffer, 0, 0, VK_ACCESS_UNIFORM_READ_BIT, VK_PIPELINE_STAGE_VERTEX_SHADER_BIT, VK_PIPELINE_STAGE_VERTEX_SHADER_BIT,
GraphicsQueue.Handle, FramesResources.front().CommandBuffer, {} ) ) {
return false;
}
if( !UseStagingBufferToUpdateBufferWithDeviceLocalMemoryBound( PhysicalDevice, *LogicalDevice, sizeof( perspective_matrix[0] ) * perspective_matrix.size(),
&perspective_matrix[0], *UniformBuffer, 16 * sizeof( float ), 0, VK_ACCESS_UNIFORM_READ_BIT, VK_PIPELINE_STAGE_VERTEX_SHADER_BIT, VK_PIPELINE_STAGE_VERTEX_SHADER_BIT,
GraphicsQueue.Handle, FramesResources.front().CommandBuffer, {} ) ) {
return false;
}
return true;
}
virtual bool Resize() override {
if( !CreateSwapchain( VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, false ) ) {
return false;
}
if( !UpdateUniformBuffer() ) {
return false;
}
return true;
}
};
VULKAN_COOKBOOK_SAMPLE_FRAMEWORK( "11 - Drawing Vertex Normals", 50, 25, 1280, 800, Sample )