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GammaCorrection

GammaCorrection

A simple example of how to do gamma correction it shows the difference that SRGB textures and gamma correction makes to the output by comparing it to the uncorrected rendering methods.

It renders the same scene four times:

Area Texture Gamma correction
TopLeft SRGB Off
TopRight RGB On
BottomLeft RGB Off
BottomRight SRGB On

The bottom right area produces the desired output.

Key Result
1 Render TopLeft as fullscreen
2 Render TopRight as fullscreen
3 Render BottomLeft as fullscreen
4 Render BottomRight as fullscreen
5 or space Splitscren view of all four (default)
A Strafe left
W Strafe right
S Move forward
D Move backward
Right Mouse Mouse look (hold it)
Middle mouse Reset camera

Inspired by:

Command line arguments':

Argument Description Source
--ActualDpi <arg> ActualDpi [x,y] Override the actual dpi reported by the native window DemoHost
--DensityDpi <arg> DensityDpi <number> Override the density dpi reported by the native window DemoHost
--DisplayId <arg> DisplayId <number> DemoHost
--LogExtensions Output the extensions to the log DemoHost
--LogLayers Output the layers to the log DemoHost
--LogSurfaceFormats Output the supported surface formats to the log DemoHost
--VkApiDump Enable the VK_LAYER_LUNARG_api_dump layer. DemoHost
--VkPhysicalDevice <arg> Set the physical device index. DemoHost
--VkPresentMode <arg> Override the present mode with the supplied value. Known values: VK_PRESENT_MODE_IMMEDIATE_KHR (0), VK_PRESENT_MODE_MAILBOX_KHR (1), VK_PRESENT_MODE_FIFO_KHR (2), VK_PRESENT_MODE_FIFO_RELAXED_KHR (3), VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR (1000111000), VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR (1000111001) DemoHost
--VkScreenshot <arg> Enable/disable screenshot support (defaults to enabled) DemoHost
--VkValidate <arg> Enable/disable the VK_LAYER_LUNARG_standard_validation layer. DemoHost
--Window <arg> Window mode [left,top,width,height] DemoHost
--AppFirewall Enable the app firewall, reporting crashes on-screen instead of exiting DemoHostManager
--ContentMonitor Monitor the Content directory for changes and restart the app on changes.WARNING: Might not work on all platforms and it might impact app performance (experimental) DemoHostManager
--ExitAfterDuration <arg> Exit after the given duration has passed. The value can be specified in seconds or milliseconds. For example 10s or 10ms. DemoHostManager
--ExitAfterFrame <arg> Exit after the given number of frames has been rendered DemoHostManager
--ForceUpdateTime <arg> Force the update time to be the given value in microseconds (can be useful when taking a lot of screen-shots). If 0 this option is disabled DemoHostManager
--LogStats Log basic rendering stats (this is equal to setting LogStatsMode to latest) DemoHostManager
--LogStatsMode <arg> Set the log stats mode, more advanced version of LogStats. Can be disabled, latest, average DemoHostManager
--ScreenshotFormat <arg> Chose the format for the screenshot: bmp, jpg, png (default), tga DemoHostManager
--ScreenshotFrequency <arg> Create a screenshot at the given frame frequency DemoHostManager
--ScreenshotNamePrefix <arg> Chose the screenshot name prefix (defaults to 'Screenshot') DemoHostManager
--ScreenshotNameScheme <arg> Chose the screenshot name scheme: frame (default), sequence, exact. DemoHostManager
--Stats Display basic frame profiling stats DemoHostManager
--StatsFlags <arg> Select the stats to be displayed/logged. Defaults to frame|cpu. Can be 'frame', 'cpu' or any combination DemoHostManager
--Version Print version information DemoHostManager
--Graphics.Profile Enable graphics service stats GraphicsService
--Profiler.AverageEntries <arg> The number of frames used to calculate the average frame-time. Defaults to: 60 ProfilerService
--ghelp <arg> Display option groups: all, demo or host base
-h, --help Display options base
-v, --verbose Enable verbose output base