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Small code refactoring - preparing for further parts of the tutorial.

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This commit is contained in:
Pawel Lapinski
2018-02-27 10:51:55 +01:00
parent c3741bf127
commit 85c53b9c33
11 changed files with 48 additions and 114 deletions
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11
Project/Common/VulkanCommon.cpp
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@@ -612,7 +612,7 @@ namespace ApiWithoutSecrets {
// Set of images defined in a swap chain may not always be available for application to render to:
// One may be displayed and one may wait in a queue to be presented
// If application wants to use more images at the same time it must ask for more images
uint32_t image_count = surface_capabilities.minImageCount + 1;
uint32_t image_count = surface_capabilities.minImageCount + 2;
if( (surface_capabilities.maxImageCount > 0) &&
(image_count > surface_capabilities.maxImageCount) ) {
image_count = surface_capabilities.maxImageCount;
@@ -699,13 +699,20 @@ namespace ApiWithoutSecrets {
}
VkPresentModeKHR VulkanCommon::GetSwapChainPresentMode( std::vector<VkPresentModeKHR> &present_modes ) {
// FIFO present mode is always available
// MAILBOX is the lowest latency V-Sync enabled mode (something like triple-buffering) so use it if available
for( VkPresentModeKHR &present_mode : present_modes ) {
if( present_mode == VK_PRESENT_MODE_MAILBOX_KHR ) {
return present_mode;
}
}
// IMMEDIATE mode allows us to display frames in a V-Sync independent manner so it can introduce screen tearing
// But this mode is the best for benchmarking purposes if we want to check the real number of FPS
for( VkPresentModeKHR &present_mode : present_modes ) {
if( present_mode == VK_PRESENT_MODE_IMMEDIATE_KHR ) {
return present_mode;
}
}
// FIFO present mode is always available
for( VkPresentModeKHR &present_mode : present_modes ) {
if( present_mode == VK_PRESENT_MODE_FIFO_KHR ) {
return present_mode;