/* Please see header for specification */
bool Anvil::Fence::is_set() const
{
VkResult result;
result = vkGetFenceStatus(m_device_ptr->get_device_vk(),
m_fence);
anvil_assert(result == VK_SUCCESS ||
result == VK_NOT_READY);
return (result == VK_SUCCESS);
}
VkRenderTexture* VkRenderTarget :: getTexture() {
VkFence fence = static_cast<VkRenderTexture*>(mRenderTexture)->getFenceObject();
VkResult err;
VulkanCore * core = VulkanCore::getInstance();
if(!core)
{
return NULL;
}
VkDevice device = core->getDevice();
err = vkGetFenceStatus(device, fence);
/* Commenting out the code of sending an older image to oculus, if the current one is not yet complete.
* Reason for commenting : 1. Even though the FPS is 60 the visuals lag.
* 2. FPS is not affected with or without this logic
*/
/*
bool found = false;
VkResult status;
if (err != VK_SUCCESS) {
renderTarget1 = static_cast<VkRenderTarget*>(renderTarget->getNextRenderTarget());
while (renderTarget1!= nullptr && renderTarget1 != renderTarget) {
VkFence fence1 = static_cast<VkRenderTexture*>(renderTarget1->getTexture())->getFenceObject();
status = vkGetFenceStatus(m_device, fence1);
if (VK_SUCCESS == status) {
found = true;
break;
}
renderTarget1 = static_cast<VkRenderTarget*>(renderTarget1->getNextRenderTarget());
}
if (!found) {
renderTarget1 = static_cast<VkRenderTarget*>(renderTarget->getNextRenderTarget());
VkFence fence1 = static_cast<VkRenderTexture*>(renderTarget1->getTexture())->getFenceObject();
err = vkWaitForFences(m_device, 1, &fence1 , VK_TRUE,
4294967295U);
}
}
*/
err = vkWaitForFences(device, 1, &fence , VK_TRUE, 4294967295U);
if (err != VK_SUCCESS) {
return NULL;
}
return static_cast<VkRenderTexture*>(mRenderTexture);
}
VkResult wait_for_fence(VkFence fence, u64 timeout)
{
if (timeout)
{
return vkWaitForFences(*g_current_renderer, 1, &fence, VK_FALSE, timeout * 1000ull);
}
else
{
while (auto status = vkGetFenceStatus(*g_current_renderer, fence))
{
switch (status)
{
case VK_NOT_READY:
continue;
default:
die_with_error(HERE, status);
return status;
}
}
return VK_SUCCESS;
}
}
VkResult Fence::getStatus() const
{
return vkGetFenceStatus(device, fence);
}
