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VkeGameRendererDynamic.cpp
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/*
* Copyright (c) 2014-2023, 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.
*
* SPDX-FileCopyrightText: Copyright (c) 2014-2021 NVIDIA CORPORATION
* SPDX-License-Identifier: Apache-2.0
*/
/* Contact chebert@nvidia.com (Chris Hebert) for feedback */
#include <include_gl.h>
#include "VkeCamera.h"
#include "VkeGameRendererDynamic.h"
#include "VkeIBO.h"
#include "VkeMaterial.h"
#include "VkeTexture.h"
#include "VkeVBO.h"
#include "VulkanAppContext.h"
#include <algorithm>
#ifndef INIT_COMMAND_ID
#define INIT_COMMAND_ID 1
#endif
#ifndef GL_NV_draw_vulkan_image
#define GL_NV_draw_vulkan_image 1
//typedef GLVULKANPROCNV (GLAPIENTRY* PFNGLGETVKINSTANCEPROCADDRNVPROC) (const GLchar *name);
typedef void(GLAPIENTRY* PFNGLWAITVKSEMAPHORENVPROC)(GLuint64 vkSemaphore);
typedef void(GLAPIENTRY* PFNGLSIGNALVKSEMAPHORENVPROC)(GLuint64 vkSemaphore);
typedef void(GLAPIENTRY* PFNGLSIGNALVKFENCENVPROC)(GLuint64 vkFence);
typedef void(GLAPIENTRY* PFNGLDRAWVKIMAGENVPROC)(GLuint64 vkImage,
GLuint sampler,
GLfloat x0,
GLfloat y0,
GLfloat x1,
GLfloat y1,
GLfloat z,
GLfloat s0,
GLfloat t0,
GLfloat s1,
GLfloat t1);
//PFNGLGETVKINSTANCEPROCADDRNVPROC glGetVkInstanceProcAddrNV;
PFNGLWAITVKSEMAPHORENVPROC glWaitVkSemaphoreNV;
PFNGLSIGNALVKSEMAPHORENVPROC glSignalVkSemaphoreNV;
PFNGLSIGNALVKFENCENVPROC glSignalVkFenceNV;
PFNGLDRAWVKIMAGENVPROC glDrawVkImageNV;
#endif
#ifdef GL_GLEXT_PROTOTYPES
//GLAPI GLVULKANPROCNV GLAPIENTRY glGetVkInstanceProcAddrNV (const GLchar *name);
//GLAPI void GLAPIENTRY glWaitVkSemaphoreNV(GLuint64 vkSemaphore);
//GLAPI void GLAPIENTRY glSignalVkSemaphoreNV(GLuint64 vkSemaphore);
//GLAPI void GLAPIENTRY glSignalVkFenceNV(GLuint64 vkFence);
//GLAPI void GLAPIENTRY glDrawVkImageNV(GLuint64 vkImage, GLuint sampler, GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1, GLfloat z, GLfloat s0, GLfloat t0, GLfloat s1, GLfloat t1);
#endif /* GL_GLEXT_PROTOTYPES */
static void setDefaultViewportAndScissor(VkCommandBuffer cmd, uint32_t width, uint32_t height)
{
VkViewport vp{};
VkRect2D sc{};
vp.x = 0;
vp.y = 0;
vp.height = (float)(height);
vp.width = (float)(width);
vp.minDepth = 0.0f;
vp.maxDepth = 1.0f;
sc.offset.x = 0;
sc.offset.y = 0;
sc.extent.width = width;
sc.extent.height = height;
vkCmdSetViewport(cmd, 0, 1, &vp);
vkCmdSetScissor(cmd, 0, 1, &sc);
}
VkeDrawCall::VkeDrawCall(vkeGameRendererDynamic* inRenderer)
: m_renderer(inRenderer)
, m_buffer_ready(false)
{
m_draw_command[0] = VK_NULL_HANDLE;
m_draw_command[1] = VK_NULL_HANDLE;
initCommandPool();
initDescriptorPool();
}
VkeDrawCall::~VkeDrawCall() {}
VkCommandBuffer VkeDrawCall::getDrawCommand(const uint32_t inFrameIndex)
{
return m_draw_command[inFrameIndex];
}
void VkeDrawCall::initCommandPool()
{
VulkanDC* dc = VulkanDC::Get();
VulkanDC::Device* device = dc->getDefaultDevice();
VkCommandPoolCreateInfo cmdPoolInfo = {VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO};
cmdPoolInfo.queueFamilyIndex = 0;
cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
VKA_CHECK_ERROR(vkCreateCommandPool(device->getVKDevice(), &cmdPoolInfo, NULL, &m_command_pool), "Could not create command pool.\n");
VkCommandBufferAllocateInfo cmdBufInfo = {VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO};
cmdBufInfo.commandBufferCount = 2;
cmdBufInfo.level = VK_COMMAND_BUFFER_LEVEL_SECONDARY;
cmdBufInfo.commandPool = m_command_pool;
VKA_CHECK_ERROR(vkAllocateCommandBuffers(device->getVKDevice(), &cmdBufInfo, m_draw_command),
"Could not allocate secondary command buffers.\n");
}
void VkeDrawCall::initDescriptorPool()
{
VulkanDC* dc = VulkanDC::Get();
VulkanDC::Device* device = dc->getDefaultDevice();
VkDescriptorPoolSize poolSize = {VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1};
VkDescriptorPoolCreateInfo poolInfo = {VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO};
poolInfo.maxSets = 1;
poolInfo.poolSizeCount = 1;
poolInfo.pPoolSizes = &poolSize;
poolInfo.flags = 0;
VKA_CHECK_ERROR(vkCreateDescriptorPool(device->getVKDevice(), &poolInfo, NULL, &m_descriptor_pool),
"Could not create descriptor pool.\n");
}
void VkeDrawCall::initDescriptor()
{
VulkanDC* dc = VulkanDC::Get();
VulkanDC::Device* device = dc->getDefaultDevice();
VkWriteDescriptorSet writes[1];
vkResetDescriptorPool(device->getVKDevice(), m_descriptor_pool, 0);
VkDescriptorSetAllocateInfo descAlloc = {VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO};
descAlloc.descriptorPool = m_descriptor_pool;
descAlloc.pSetLayouts = (m_renderer->getTransformDescriptorLayout());
descAlloc.descriptorSetCount = 1;
VKA_CHECK_ERROR(vkAllocateDescriptorSets(device->getVKDevice(), &descAlloc, &m_transform_descriptor_set),
"Could not allocate descriptor sets.\n");
descriptorSetWrite(&writes[0], 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, (m_renderer->getTransformsDescriptor()),
VK_NULL_HANDLE, 0, m_transform_descriptor_set); //transform
vkUpdateDescriptorSets(device->getVKDevice(), 1, writes, 0, NULL);
}
void VkeDrawCall::initDrawCommands(const uint32_t inCount,
const uint32_t inCommandIndex,
VkRenderPass parentRenderPass,
uint32_t viewportWidth,
uint32_t viewportHeight)
{
VkPipelineLayout layout = m_renderer->getPipelineLayout();
VkPipeline pipeline = m_renderer->getPipeline();
VkDescriptorSet sceneDescriptor = m_renderer->getSceneDescriptorSet();
VkDescriptorSet* textureDescriptors = m_renderer->getTextureDescriptorSets();
VkBuffer sceneIndirectBuffer = m_renderer->getSceneIndirectBuffer();
VulkanAppContext* ctxt = VulkanAppContext::GetInstance();
vkResetCommandBuffer(m_draw_command[inCommandIndex], 0);
VkCommandBufferInheritanceInfo cmdInheritanceInfo = {VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO};
cmdInheritanceInfo.renderPass = parentRenderPass;
cmdInheritanceInfo.subpass = 0;
VkCommandBufferBeginInfo cmdBeginInfo = {VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO};
cmdBeginInfo.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT | VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT;
cmdBeginInfo.pInheritanceInfo = &cmdInheritanceInfo;
VKA_CHECK_ERROR(vkBeginCommandBuffer(m_draw_command[inCommandIndex], &cmdBeginInfo), "Could not begin command buffer.\n");
// TODO: Switch to using inherited viewport and scissor
setDefaultViewportAndScissor(m_draw_command[inCommandIndex], viewportWidth, viewportHeight);
vkCmdBindPipeline(m_draw_command[inCommandIndex], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
VkeVBO* theVBO = ctxt->getVBO();
VkeIBO* theIBO = ctxt->getIBO();
theVBO->bind(&m_draw_command[inCommandIndex]);
theIBO->bind(&m_draw_command[inCommandIndex]);
VkDescriptorSet sets[3] = {sceneDescriptor, textureDescriptors[0], m_transform_descriptor_set};
vkCmdBindDescriptorSets(m_draw_command[inCommandIndex], VK_PIPELINE_BIND_POINT_GRAPHICS, layout, 0, 3, sets, 0, NULL);
vkCmdDrawIndexedIndirect(m_draw_command[inCommandIndex], sceneIndirectBuffer, 0, inCount, sizeof(VkDrawIndexedIndirectCommand));
vkCmdDraw(m_draw_command[inCommandIndex], 1, 1, 0, 0);
vkEndCommandBuffer(m_draw_command[inCommandIndex]);
/*
Lock mutex to update generated call count.
*/
//std::lock_guard<std::mutex> lk(m_renderer->getSecondaryCmdBufferMutex());
/*
Increment the generated call count
*/
m_renderer->incrementDrawCallsGenerated();
}
vkeGameRendererDynamic::vkeGameRendererDynamic()
: VkeRenderer()
, m_node_data(NULL)
{
initRenderer();
}
vkeGameRendererDynamic::~vkeGameRendererDynamic() {}
void vkeGameRendererDynamic::initIndirectCommands()
{
if(!m_node_data)
return;
VulkanDC* dc = VulkanDC::Get();
VulkanDC::Device* device = dc->getDefaultDevice();
VulkanDC::Device::Queue* queue = dc->getDefaultQueue();
size_t cnt = m_node_data->count();
size_t sz = sizeof(VkDrawIndexedIndirectCommand) * cnt;
VkBuffer sceneIndirectStaging;
VkDeviceMemory sceneIndirectMemStaging;
VkBufferUsageFlags usageFlags = VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
bufferCreate(&m_scene_indirect_buffer, sz, (VkBufferUsageFlagBits)usageFlags);
bufferAlloc(&m_scene_indirect_buffer, &m_scene_indirect_memory, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
usageFlags = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
bufferCreate(&sceneIndirectStaging, sz, (VkBufferUsageFlagBits)usageFlags);
bufferAlloc(&sceneIndirectStaging, &sceneIndirectMemStaging, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
VkDrawIndexedIndirectCommand* commands = NULL;
VKA_CHECK_ERROR(vkMapMemory(device->getVKDevice(), sceneIndirectMemStaging, 0, sz, 0, (void**)&commands),
"Could not map indirect buffer memory.\n");
for(size_t i = 0; i < cnt; ++i)
{
VkeMesh* mesh = m_node_data->getData(i)->getMesh();
commands[i].firstIndex = mesh->getFirstIndex();
commands[i].firstInstance = uint32_t(i * m_instance_count);
commands[i].vertexOffset = mesh->getFirstVertex();
commands[i].indexCount = mesh->getIndexCount();
commands[i].instanceCount = uint32_t(m_instance_count);
}
vkUnmapMemory(device->getVKDevice(), sceneIndirectMemStaging);
VkBufferCopy bufCpy;
bufCpy.dstOffset = 0;
bufCpy.srcOffset = 0;
bufCpy.size = sz;
VkCommandBuffer copyCmd;
VkCommandBufferAllocateInfo cmdBufInfo = {VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO};
cmdBufInfo.commandBufferCount = 1;
cmdBufInfo.commandPool = queue->getCommandPool();
cmdBufInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
VKA_CHECK_ERROR(vkAllocateCommandBuffers(device->getVKDevice(), &cmdBufInfo, ©Cmd), "Could not allocate command buffers.\n");
VkCommandBufferBeginInfo cmdBeginInfo = {VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO};
cmdBeginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
VKA_CHECK_ERROR(vkBeginCommandBuffer(copyCmd, &cmdBeginInfo), "Could not begin commmand buffer.\n");
vkCmdCopyBuffer(copyCmd, sceneIndirectStaging, m_scene_indirect_buffer, 1, &bufCpy);
VKA_CHECK_ERROR(vkEndCommandBuffer(copyCmd), "Could not end command buffer.\n");
VkSubmitInfo subInfo = {VK_STRUCTURE_TYPE_SUBMIT_INFO};
subInfo.commandBufferCount = 1;
subInfo.pCommandBuffers = ©Cmd;
VkFence theFence;
VkFenceCreateInfo fenceInfo = {VK_STRUCTURE_TYPE_FENCE_CREATE_INFO};
VKA_CHECK_ERROR(vkCreateFence(device->getVKDevice(), &fenceInfo, NULL, &theFence), "Could not create fence.\n");
VKA_CHECK_ERROR(vkQueueSubmit(queue->getVKQueue(), 1, &subInfo, theFence), "Could not submit queue for indirect buffer copy.\n");
VKA_CHECK_ERROR(vkWaitForFences(device->getVKDevice(), 1, &theFence, VK_TRUE, UINT_MAX), "Could not wait for fence.\n");
vkFreeCommandBuffers(device->getVKDevice(), queue->getCommandPool(), 1, ©Cmd);
vkDestroyFence(device->getVKDevice(), theFence, NULL);
}
void vkeGameRendererDynamic::initDescriptorPool()
{
VkeRenderer::initDescriptorPool();
VkDescriptorPoolSize typeCounts[] = {{VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1},
{VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 2},
{VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1}};
VulkanDC* dc = VulkanDC::Get();
if(!dc)
return;
VulkanDC::Device* device = dc->getDefaultDevice();
VkDescriptorPoolCreateInfo descriptorPoolInfo = {VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO};
descriptorPoolInfo.poolSizeCount = 3;
descriptorPoolInfo.pPoolSizes = typeCounts;
descriptorPoolInfo.maxSets = (m_descriptor_pool_size * 2) + 3;
VKA_CHECK_ERROR(vkCreateDescriptorPool(device->getVKDevice(), &descriptorPoolInfo, NULL, &m_descriptor_pool),
"Could not create descriptor pool.\n");
}
float quickRandomUVD()
{
return ((float)rand() / (float)RAND_MAX) * 2.0f - 1.0f;
}
void vkeGameRendererDynamic::initRenderer()
{
VulkanDC* dc = VulkanDC::Get();
VulkanDC::Device* device = dc->getDevice();
m_instance_count = 128;
//glWaitVkSemaphoreNV = (PFNGLWAITVKSEMAPHORENVPROC)NVPSystem::GetProcAddressGL("glWaitVkSemaphoreNV");
//glSignalVkSemaphoreNV = (PFNGLSIGNALVKSEMAPHORENVPROC)NVPSystem::GetProcAddressGL("glSignalVkSemaphoreNV");
//glSignalVkFenceNV = (PFNGLSIGNALVKFENCENVPROC)NVPSystem::GetProcAddressGL("glSignalVkFenceNV");
// glDrawVkImageNV = (PFNGLDRAWVKIMAGENVPROC)NVPSystem::GetProcAddressGL("glDrawVkImageNV");
VkSemaphoreCreateInfo semInfo = {VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO};
VkFenceCreateInfo fenceInfo = {VK_STRUCTURE_TYPE_FENCE_CREATE_INFO};
VKA_CHECK_ERROR(vkCreateSemaphore(device->getVKDevice(), &semInfo, NULL, &m_present_done[0]),
"Could not create present done semaphore.\n");
VKA_CHECK_ERROR(vkCreateSemaphore(device->getVKDevice(), &semInfo, NULL, &m_render_done[0]),
"Could not create render done semaphore.\n");
VKA_CHECK_ERROR(vkCreateSemaphore(device->getVKDevice(), &semInfo, NULL, &m_present_done[1]),
"Could not create present done semaphore.\n");
VKA_CHECK_ERROR(vkCreateSemaphore(device->getVKDevice(), &semInfo, NULL, &m_render_done[1]),
"Could not create render done semaphore.\n");
VKA_CHECK_ERROR(vkCreateFence(device->getVKDevice(), &fenceInfo, NULL, &m_update_fence[0]), "Could not create update fence.\n");
fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
VKA_CHECK_ERROR(vkCreateFence(device->getVKDevice(), &fenceInfo, NULL, &m_update_fence[1]), "Could not create update fence.\n");
m_terrain_command[0] = VK_NULL_HANDLE;
m_terrain_command[1] = VK_NULL_HANDLE;
m_framebuffers[0] = VK_NULL_HANDLE;
m_framebuffers[1] = VK_NULL_HANDLE;
m_update_commands[0] = VK_NULL_HANDLE;
m_update_commands[1] = VK_NULL_HANDLE;
m_is_first_frame = true;
nvmath::vec4f table[128][128];
for(int v = 0; v < 128; ++v)
{
for(int u = 0; u < 128; ++u)
{
nvmath::vec2f vctr(quickRandomUVD(), quickRandomUVD());
vctr = nvmath::normalize(vctr);
// VK_FORMAT_R32G32B32_SFLOAT isn't so widely supported, so we use
// VK_FORMAT_R32G32B32A32_SFLOAT instead.
table[u][v] = nvmath::vec4f(vctr.x, vctr.y, vctr.x, 0.f);
}
}
m_cube_textures.newTexture(1)->loadCubeDDS("environ.dds");
m_screen_quad.initQuadData();
m_terrain_quad.initQuadData();
m_textures.newTexture(0)->setFormat(VK_FORMAT_R32G32B32A32_SFLOAT);
m_textures.getTexture(0)->loadTextureFloatData((float*)&(table[0][0].x), 128, 128, 4);
m_flight_paths.resize(m_instance_count);
for(uint32_t i = 0; i < m_instance_count; ++i)
{
nvmath::vec2f initPos(quickRandomUVD() * 100.0f, -200.f + (quickRandomUVD() * 20.f));
nvmath::vec2f endPos(quickRandomUVD() * 100.0f, 200.f + (quickRandomUVD() * 20.f));
m_flight_paths[i] =
std::make_unique<FlightPath>(initPos, endPos, quickRandomUVD() * 0.5f + 0.5f, quickRandomUVD() * 4.f + 10.f);
}
/*
Just initialises the draw call objects
not the threads. They store thread local
data for the threaded cmd buffer builds.
*/
initDrawCalls();
/*
Create primary command pool for the
*/
VkCommandPoolCreateInfo cmdPoolInfo = {VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO};
cmdPoolInfo.queueFamilyIndex = 0;
cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
VKA_CHECK_ERROR(vkCreateCommandPool(device->getVKDevice(), &cmdPoolInfo, NULL, &m_primary_buffer_cmd_pool),
"Could not create primary command pool.\n");
m_primary_commands[0] = VK_NULL_HANDLE;
m_primary_commands[1] = VK_NULL_HANDLE;
VkCommandBufferAllocateInfo cmdBufInfo = {VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO};
cmdBufInfo.commandBufferCount = 2;
cmdBufInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
cmdBufInfo.commandPool = m_primary_buffer_cmd_pool;
VKA_CHECK_ERROR(vkAllocateCommandBuffers(device->getVKDevice(), &cmdBufInfo, m_primary_commands),
"Could not allocate primary command buffers.\n");
VKA_CHECK_ERROR(vkAllocateCommandBuffers(device->getVKDevice(), &cmdBufInfo, m_update_commands),
"Could not allocate primary command buffers.\n");
m_current_buffer_index = 0;
}
void vkeGameRendererDynamic::setNodeData(VkeNodeData::List* inData)
{
m_node_data = inData;
if(m_node_data != NULL)
{
size_t cnt = m_node_data->count();
size_t transformsSize = 64 * m_instance_count;
size_t sz = sizeof(VkeNodeUniform) * cnt;
sz += (transformsSize);
m_uniforms_local = (float*)malloc(sz);
bufferCreate(&m_uniforms_buffer, sz, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT);
bufferAlloc(&m_uniforms_buffer, &m_uniforms_memory, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
m_uniforms_descriptor.buffer = m_uniforms_buffer;
m_uniforms_descriptor.offset = 0;
m_uniforms_descriptor.range = sizeof(VkeNodeUniform) * cnt;
m_transforms_descriptor.buffer = m_uniforms_buffer;
m_transforms_descriptor.offset = sizeof(VkeNodeUniform) * cnt;
m_transforms_descriptor.range = transformsSize;
}
}
void vkeGameRendererDynamic::setMaterialData(VkeMaterial::List* inData)
{
m_materials = inData;
if(m_materials != NULL)
{
size_t cnt = m_materials->count();
size_t sz = sizeof(VkeMaterialUniform) * cnt;
VkBufferUsageFlags usageFlags = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
bufferCreate(&m_material_buffer_staging, sz, (VkBufferUsageFlagBits)usageFlags);
bufferAlloc(&m_material_buffer_staging, &m_material_staging, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_CACHED_BIT);
VkeMaterialUniform* uniforms = NULL;
VKA_CHECK_ERROR(vkMapMemory(getDefaultDevice(), m_material_staging, 0, sz, 0, (void**)&uniforms), "Could not map buffer memory.\n");
for(size_t i = 0; i < cnt; ++i)
{
VkeMaterial* mat = m_materials->getMaterial(i);
mat->initVKBufferData(m_material_buffer_staging);
mat->updateVKBufferData(uniforms);
}
vkUnmapMemory(getDefaultDevice(), m_material_staging);
}
}
size_t vkeGameRendererDynamic::getRequiredDescriptorCount()
{
if(!m_node_data)
return 0;
return m_node_data->count();
}
void vkeGameRendererDynamic::update()
{
VulkanDC* dc = VulkanDC::Get();
VulkanDC::Device* device = dc->getDefaultDevice();
static float sTime = 0.0f;
size_t cnt = m_node_data->count();
nvmath::mat4f tempMatrix;
for(size_t i = 0; i < m_instance_count; ++i)
{
size_t pointerOffset = (sizeof(VkeNodeUniform) * cnt) + (64 * i);
nvmath::mat4f* matPtr = (nvmath::mat4f*)(((uint8_t*)m_uniforms_local) + pointerOffset);
m_flight_paths[i]->update(matPtr, sTime);
}
m_node_data->update((VkeNodeUniform*)m_uniforms_local, m_instance_count);
m_camera->setViewport(0, 0, (float)m_width, (float)m_height);
m_camera->update();
generateDrawCommands();
if(!m_is_first_frame)
{
vkResetFences(device->getVKDevice(), 1, &m_update_fence[m_current_buffer_index]);
const VkPipelineStageFlags waitStages = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
VkSubmitInfo subInfo = {VK_STRUCTURE_TYPE_SUBMIT_INFO};
subInfo.commandBufferCount = 1;
subInfo.pCommandBuffers = &m_primary_commands[m_current_buffer_index];
#if defined(WIN32)
subInfo.waitSemaphoreCount = 1;
subInfo.pWaitSemaphores = &m_present_done[m_current_buffer_index];
subInfo.pWaitDstStageMask = &waitStages;
subInfo.signalSemaphoreCount = 1;
subInfo.pSignalSemaphores = &m_render_done[m_current_buffer_index];
#endif
vkQueueSubmit(dc->getDefaultQueue()->getVKQueue(), 1, &subInfo, m_update_fence[m_current_buffer_index]);
/*
Synchronise the next buffer.
This prevents the buffer from being reset when still in use
when we have more than 2 frames in flight.
*/
uint32_t nextBufferIndex = (m_current_buffer_index + 1) % 2;
present();
vkWaitForFences(device->getVKDevice(), 1, &m_update_fence[nextBufferIndex], VK_TRUE, 1000000);
}
else
{
m_is_first_frame = false;
}
m_current_buffer_index++;
m_current_buffer_index %= 2;
sTime += 0.16f;
}
void vkeGameRendererDynamic::present()
{
glDisable(GL_DEPTH_TEST);
#if defined(WIN32)
glWaitVkSemaphoreNV((GLuint64)m_render_done[m_current_buffer_index]);
#endif
glDrawVkImageNV((GLuint64)m_resolve_attachment[m_current_buffer_index].image, 0, 0, 0, float(m_width),
float(m_height), 0, 0, 1, 1, 0);
glEnable(GL_DEPTH_TEST);
#if defined(WIN32)
glSignalVkSemaphoreNV((GLuint64)m_present_done[m_current_buffer_index]);
#endif
}
void vkeGameRendererDynamic::initDescriptorLayout()
{
VkDescriptorSetLayoutBinding sceneLayoutBindings[4];
VkDescriptorSetLayoutBinding textureLayoutBindings[1];
VkDescriptorSetLayoutBinding transformLayoutBinding;
VkDescriptorSetLayoutBinding quadBinding[3];
VkDescriptorSetLayoutBinding terrainBinding[5];
/*----------------------------------------------------------
Scene (Gazelle) objects descriptor and pipeline layout.
----------------------------------------------------------*/
/*
Scene layout bindings (set 0)
Binding 0: Environment Cube Map
Binding 1: Camera Matrix
Binding 2: Model Matrix
Binding 3: Material
*/
layoutBinding(&sceneLayoutBindings[0], 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1);
layoutBinding(&sceneLayoutBindings[1], 1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 1);
layoutBinding(&sceneLayoutBindings[2], 2, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 1);
layoutBinding(&sceneLayoutBindings[3], 3, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_FRAGMENT_BIT, 1);
/*
Transform layout binding (set 2)
Binding 1: Transform Matrix
*/
layoutBinding(&transformLayoutBinding, 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 1);
/*
Texture Layout Bindings (Set 1)
Binding 0: Diffuse Texture.
*/
assert(m_materials->count() == 6); // We include 6 slots for textures in the shader
layoutBinding(&textureLayoutBindings[0], 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 6);
descriptorSetLayoutCreate(&m_transform_descriptor_layout, 1, &transformLayoutBinding);
descriptorSetLayoutCreate(&m_scene_descriptor_layout, 4, sceneLayoutBindings);
descriptorSetLayoutCreate(&m_texture_descriptor_set_layout, 1, textureLayoutBindings);
VkDescriptorSetLayout layouts[3] = {m_scene_descriptor_layout, m_texture_descriptor_set_layout, m_transform_descriptor_layout};
/*
Create pipeline layout for the scene.
*/
pipelineLayoutCreate(&m_pipeline_layout, 3, layouts);
/*----------------------------------------------------------
Skybox descriptor and pipeline layout.
----------------------------------------------------------*/
layoutBinding(&quadBinding[0], 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 1);
layoutBinding(&quadBinding[1], 1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 1);
layoutBinding(&quadBinding[2], 2, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 1);
//descriptor layout describing the bindings.
descriptorSetLayoutCreate(&m_quad_descriptor_set_layout, 3, quadBinding);
//create the pipeline layout
pipelineLayoutCreate(&m_quad_pipeline_layout, 1, &m_quad_descriptor_set_layout);
/*----------------------------------------------------------
Terrain descriptor and pipeline layout.
----------------------------------------------------------*/
layoutBinding(&terrainBinding[0], 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 1);
layoutBinding(&terrainBinding[1], 1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT
| VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT | VK_SHADER_STAGE_FRAGMENT_BIT,
1);
layoutBinding(&terrainBinding[2], 2, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 1);
layoutBinding(&terrainBinding[3], 3, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1);
//descriptor layout describing the bindings.
descriptorSetLayoutCreate(&m_terrain_descriptor_set_layout, 4, terrainBinding);
//create the pipeline layout
pipelineLayoutCreate(&m_terrain_pipeline_layout, 1, &m_terrain_descriptor_set_layout);
}
void vkeGameRendererDynamic::initDescriptorSets()
{
VulkanDC* dc = VulkanDC::Get();
if(!dc)
return;
VulkanDC::Device* device = dc->getDefaultDevice();
initCamera();
vkResetDescriptorPool(device->getVKDevice(), getDescriptorPool(), 0);
VkWriteDescriptorSet writes[6]{};
/*----------------------------------------------------------
Get the resource data for the bindings.
----------------------------------------------------------*/
/*
Terrain textures.
*/
VkeTexture::Data terrain = m_textures.getTexture(0)->getData();
/*
Camera uniform
*/
VkDescriptorBufferInfo camInfo = m_camera->getDescriptor();
/*
Cube map texture.
*/
VkeCubeTexture::Data cube = m_cube_textures.getTexture(1)->getData();
/*
Create descriptor image info array
for the terrain textures.
*/
VkDescriptorImageInfo fpSampler = {terrain.sampler, terrain.view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL};
VkeMaterial* material = m_materials->getMaterial(0);
/*
Create descriptor image info array
for the scene textures.
*/
size_t texCount = m_materials->count();
VkDescriptorImageInfo* texImageInfo = (VkDescriptorImageInfo*)malloc(texCount * sizeof(VkDescriptorImageInfo));
for(size_t i = 0; i < texCount; ++i)
{
VkeMaterial* mtrl = m_materials->getMaterial(i);
VkeTexture::Data texData = mtrl->getTextures().getTexture(0)->getData();
texImageInfo[i].imageView = texData.view;
texImageInfo[i].sampler = texData.sampler;
texImageInfo[i].imageLayout = texData.imageLayout;
}
/*
Create descriptor image info for
the cube map texture.
*/
VkDescriptorImageInfo cubeTexture;
cubeTexture.sampler = cube.sampler;
cubeTexture.imageView = cube.view;
cubeTexture.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
/*
Allocate storage for the scene and
texture descriptor sets.
*/
/*----------------------------------------------------------
Allocate the descriptor sets.
----------------------------------------------------------*/
m_texture_descriptor_sets = (VkDescriptorSet*)malloc(sizeof(VkDescriptorSet));
/*
Set up the alocate info structure for
the descriptor sets.
*/
VkDescriptorSetAllocateInfo descAlloc;
memset(&descAlloc, 0, sizeof(descAlloc));
descAlloc.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
descAlloc.descriptorPool = getDescriptorPool();
descAlloc.pSetLayouts = &m_scene_descriptor_layout;
descAlloc.descriptorSetCount = 1;
VKA_CHECK_ERROR(vkAllocateDescriptorSets(device->getVKDevice(), &descAlloc, &m_scene_descriptor_set),
"Could not allocate descriptor sets.\n");
/*
Set up the texture descriptor sets.
*/
descAlloc.pSetLayouts = &m_texture_descriptor_set_layout;
descAlloc.descriptorSetCount = 1;
VKA_CHECK_ERROR(vkAllocateDescriptorSets(device->getVKDevice(), &descAlloc, m_texture_descriptor_sets),
"Could not allocate texture descriptor sets.\n");
/*
Set up the skybox descriptor sets.
*/
descAlloc.pSetLayouts = &m_quad_descriptor_set_layout;
descAlloc.descriptorSetCount = 1;
VKA_CHECK_ERROR(vkAllocateDescriptorSets(device->getVKDevice(), &descAlloc, &m_quad_descriptor_set),
"Could not allocate descriptor sets.\n");
/*
Set up the terrian descriptor sets.
*/
descAlloc.pSetLayouts = &m_terrain_descriptor_set_layout;
descAlloc.descriptorSetCount = 1;
VKA_CHECK_ERROR(vkAllocateDescriptorSets(device->getVKDevice(), &descAlloc, &m_terrain_descriptor_set),
"Could not allocate descriptor sets.\n");
/*
Set up the transforms descriptor sets.
*/
descAlloc.pSetLayouts = &m_transform_descriptor_layout;
descAlloc.descriptorSetCount = 1;
VKA_CHECK_ERROR(vkAllocateDescriptorSets(device->getVKDevice(), &descAlloc, &m_transform_descriptor_set),
"Could not allocate descriptor sets.\n");
/*----------------------------------------------------------
Update the descriptor sets with resource bindings.
----------------------------------------------------------*/
/*
Scene layout bindings (set 0)
Binding 0: Environment Cube Map
Binding 1: Camera Matrix
Binding 2: Model Matrix
Binding 3: Material
*/
descriptorSetWrite(&writes[0], 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_NULL_HANDLE, &cubeTexture, 0,
m_scene_descriptor_set); //cubemap
descriptorSetWrite(&writes[1], 1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, &camInfo, VK_NULL_HANDLE, 0, m_scene_descriptor_set); //Camera
descriptorSetWrite(&writes[2], 2, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, &m_uniforms_descriptor, VK_NULL_HANDLE, 0,
m_scene_descriptor_set); //modelview
descriptorSetWrite(&writes[3], 3, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, &material->getDescriptor(), VK_NULL_HANDLE, 0,
m_scene_descriptor_set); //material
vkUpdateDescriptorSets(device->getVKDevice(), 4, writes, 0, NULL);
/*
Transform layout bindings (set 0)
Binding 0: Transform
*/
descriptorSetWrite(&writes[4], 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, &m_transforms_descriptor, VK_NULL_HANDLE, 0,
m_transform_descriptor_set); //transform
vkUpdateDescriptorSets(device->getVKDevice(), 1, writes, 0, NULL);
/*
Scene layout bindings (set 1)
Binding 0: Scene texture array
*/
descriptorSetWrite(&writes[5], 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, uint32_t(texCount), VK_NULL_HANDLE,
texImageInfo, 0, m_texture_descriptor_sets[0]); //cubemap
vkUpdateDescriptorSets(device->getVKDevice(), 6, writes, 0, NULL);
//Free the texture image info allocated earlier.
free(texImageInfo);
/*
Skybox layout bindings (set 0)
Binding 0: Skybox Uniforms
Binding 1: Skybox Textures
Binding 2: Camera uniforms
*/
descriptorSetWrite(&writes[0], 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, &m_screen_quad.getData().descriptor,
VK_NULL_HANDLE, 0, m_quad_descriptor_set);
descriptorSetWrite(&writes[1], 1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_NULL_HANDLE, &cubeTexture, 0, m_quad_descriptor_set);
descriptorSetWrite(&writes[2], 2, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, &camInfo, VK_NULL_HANDLE, 0, m_quad_descriptor_set);
vkUpdateDescriptorSets(device->getVKDevice(), 3, writes, 0, NULL);
/*
Terrain layout bindings (set 0)
Binding 0: Terrain Uniforms
Binding 1: Camera Uniforms
Binding 2: Terrain texture array
*/
descriptorSetWrite(&writes[0], 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, &m_terrain_quad.getData().descriptor,
VK_NULL_HANDLE, 0, m_terrain_descriptor_set);
descriptorSetWrite(&writes[1], 1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, &camInfo, VK_NULL_HANDLE, 0, m_terrain_descriptor_set);
descriptorSetWrite(&writes[2], 2, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_NULL_HANDLE, &fpSampler, 0, m_terrain_descriptor_set);
descriptorSetWrite(&writes[3], 3, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_NULL_HANDLE, &cubeTexture, 0,
m_terrain_descriptor_set);
vkUpdateDescriptorSets(device->getVKDevice(), 4, writes, 0, NULL);
/*----------------------------------------------------------
Initialise the terrain and scene command buffers.
----------------------------------------------------------*/
initTerrainCommand();
for(uint32_t i = 0; i < m_max_draw_calls; ++i)
{
m_draw_calls[i]->initDescriptor();
}
//m_test_drawcall->initDrawCommands(m_node_data->count());
//this needs to happen in the thread.
//m_draw_calls[0]->initDrawCommands(m_node_data->count());
}
void vkeGameRendererDynamic::initPipeline()
{
VulkanDC* dc = VulkanDC::Get();
VulkanDC::Device* device = dc->getDefaultDevice();
VkPipelineCacheCreateInfo pipelineCache = {VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO};
VkPipelineVertexInputStateCreateInfo vertexState;
VkPipelineInputAssemblyStateCreateInfo inputState;
VkPipelineRasterizationStateCreateInfo rasterState;
VkPipelineColorBlendStateCreateInfo blendState;
VkPipelineDepthStencilStateCreateInfo depthState;
VkPipelineViewportStateCreateInfo viewportState;
VkPipelineMultisampleStateCreateInfo multisampleState;
VkVertexInputBindingDescription binding;
VkVertexInputAttributeDescription attrs[3];
/*----------------------------------------------------------
Create the pipeline cache.
----------------------------------------------------------*/
VKA_CHECK_ERROR(vkCreatePipelineCache(device->getVKDevice(), &pipelineCache, NULL, &m_pipeline_cache),
"Couldn not create pipeline cache.\n");
/*----------------------------------------------------------
Create the scene pipeline.
----------------------------------------------------------*/
/*
Create the vertex input state.
Binding at location 0.
3 attributes:
1 : Vertex Position : vec4
2 : Vertex Normal : vec4
3 : UV : vec2
*/
vertexBinding(&binding, 0, sizeof(VertexObject), VK_VERTEX_INPUT_RATE_VERTEX);
vertexAttributef(&attrs[0], 0, binding.binding, VK_FORMAT_R32G32B32A32_SFLOAT, 0);
vertexAttributef(&attrs[1], 1, binding.binding, VK_FORMAT_R32G32B32A32_SFLOAT, 4);
vertexStateInfo(&vertexState, 1, 2, &binding, attrs);
/*
Create the input assembly state
Topology: Triangle List
Primitive restart enable : false
*/
inputAssemblyStateInfo(&inputState, VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, VK_FALSE);
/*
Create the raster state
*/
rasterStateInfo(&rasterState, VK_POLYGON_MODE_FILL);
/*
Create the color blend state.
*/
VkPipelineColorBlendAttachmentState attState[1];
uint32_t sampleMask = 0xFF;
blendAttachmentStateN(1, attState);
blendStateInfo(&blendState, 1, attState);
/*
Create the viewport state
*/
viewportStateInfo(&viewportState, 1);
/*
Create the depth stencil state
*/
depthStateInfo(&depthState);
/*
Create the multisample state
*/
multisampleStateInfo(&multisampleState, getSamples(), &sampleMask);
/*
Create the pipeline shaders.
*/
VkPipelineShaderStageCreateInfo shaderStages[4];
createShaderStage(&shaderStages[0], VK_SHADER_STAGE_VERTEX_BIT, m_shaders.scene_vertex);