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Initializing Vulkan Context

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This commit is contained in:
Kearwood Gilbert
2018-08-06 21:34:16 -07:00
parent db13a05a7e
commit 6f8a99f543
5 changed files with 268 additions and 213 deletions
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101
kraken/KRContext.cpp
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@@ -47,7 +47,9 @@ const char *KRContext::extension_names[KRENGINE_NUM_EXTENSIONS] = {
KRContext::log_callback *KRContext::s_log_callback = NULL;
void *KRContext::s_log_callback_user_data = NULL;
KRContext::KRContext() : m_streamer(*this)
KRContext::KRContext()
: m_streamer(*this)
, m_vulkanInstance(VK_NULL_HANDLE)
{
m_streamingEnabled = false;
#ifdef __APPLE__
@@ -282,8 +284,11 @@ void KRContext::loadResource(const std::string &file_name, KRDataBlock *data) {
} else if(extension.compare("obj") == 0) {
KRResource::LoadObj(*this, file_name);
#if !TARGET_OS_IPHONE
/*
// FINDME, TODO, HACK! - Uncomment
} else if(extension.compare("fbx") == 0) {
KRResource::LoadFbx(*this, file_name);
*/
} else if(extension.compare("blend") == 0) {
KRResource::LoadBlenderScene(*this, file_name);
#endif
@@ -387,20 +392,20 @@ void KRContext::getMemoryStats(long &free_memory)
void KRContext::doStreaming()
{
if(m_streamingEnabled) {
/*
long free_memory = KRENGINE_GPU_MEM_TARGET;
long total_memory = KRENGINE_GPU_MEM_MAX;
*/
/*
if (m_streamingEnabled) {
/*
long free_memory = KRENGINE_GPU_MEM_TARGET;
long total_memory = KRENGINE_GPU_MEM_MAX;
*/
/*
#if TARGET_OS_IPHONE
// FINDME, TODO, HACK! - Experimental code, need to expose through engine parameters
const long KRENGINE_RESERVE_MEMORY = 0x4000000; // 64MB
getMemoryStats(free_memory);
free_memory = KRCLAMP(free_memory - KRENGINE_RESERVE_MEMORY, 0, KRENGINE_GPU_MEM_TARGET);
total_memory = KRMIN(KRENGINE_GPU_MEM_MAX, free_memory * 3 / 4 + m_pTextureManager->getMemUsed() + m_pMeshManager->getMemUsed());
#endif
*/
/*
@@ -411,7 +416,7 @@ void KRContext::doStreaming()
free_memory = 0;
}
*/
/*
// FINDME, TODO - Experimental code, need to expose through engine parameters
const long MEMORY_WARNING_THROTTLE2_FRAMES = 30;
@@ -421,31 +426,75 @@ void KRContext::doStreaming()
free_memory /= 2;
}
*/
/*
m_pMeshManager->doStreaming(total_memory, free_memory);
m_pTextureManager->doStreaming(total_memory, free_memory);
*/
long streaming_start_frame = m_current_frame;
long memoryRemaining = KRENGINE_GPU_MEM_TARGET;
long memoryRemainingThisFrame = KRENGINE_GPU_MEM_MAX - m_pTextureManager->getMemUsed() - m_pMeshManager->getMemUsed();
long memoryRemainingThisFrameStart = memoryRemainingThisFrame;
m_pMeshManager->doStreaming(memoryRemaining, memoryRemainingThisFrame);
m_pTextureManager->doStreaming(memoryRemaining, memoryRemainingThisFrame);
if(memoryRemainingThisFrame == memoryRemainingThisFrameStart && memoryRemainingThisFrame > 0) {
m_last_fully_streamed_frame = streaming_start_frame;
}
long streaming_start_frame = m_current_frame;
long memoryRemaining = KRENGINE_GPU_MEM_TARGET;
long memoryRemainingThisFrame = KRENGINE_GPU_MEM_MAX - m_pTextureManager->getMemUsed() - m_pMeshManager->getMemUsed();
long memoryRemainingThisFrameStart = memoryRemainingThisFrame;
m_pMeshManager->doStreaming(memoryRemaining, memoryRemainingThisFrame);
m_pTextureManager->doStreaming(memoryRemaining, memoryRemainingThisFrame);
if (memoryRemainingThisFrame == memoryRemainingThisFrameStart && memoryRemainingThisFrame > 0) {
m_last_fully_streamed_frame = streaming_start_frame;
}
}
}
void KRContext::receivedMemoryWarning()
{
m_last_memory_warning_frame = m_current_frame;
m_last_memory_warning_frame = m_current_frame;
}
void
KRContext::createDeviceContexts()
{
// initialize the VkApplicationInfo structure
VkApplicationInfo app_info = {};
app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
app_info.pNext = NULL;
app_info.pApplicationName = "Test"; // TODO - Change Me!
app_info.applicationVersion = 1;
app_info.pEngineName = "Kraken Engine";
app_info.engineVersion = 1;
app_info.apiVersion = VK_API_VERSION_1_0;
// initialize the VkInstanceCreateInfo structure
VkInstanceCreateInfo inst_info = {};
inst_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
inst_info.pNext = NULL;
inst_info.flags = 0;
inst_info.pApplicationInfo = &app_info;
inst_info.enabledExtensionCount = 0;
inst_info.ppEnabledExtensionNames = NULL;
inst_info.enabledLayerCount = 0;
inst_info.ppEnabledLayerNames = NULL;
VkResult res = vkCreateInstance(&inst_info, NULL, &m_vulkanInstance);
if (res != VK_SUCCESS) {
destroyDeviceContexts();
}
}
void
KRContext::destroyDeviceContexts()
{
if (m_vulkanInstance) != VK_NULL_HANDLE) {
vkDestroyInstance(m_vulkanInstance, NULL);
m_vulkanInstance = VK_NULL_HANDLE;
}
}
void
KRContext::activateStreamerContext()
{
}