Class AutoExposure
Updates the exposure each frame to adapt it to the average frame luminance.
Namespace: Evergine.Framework.Graphics
Assembly: Evergine.Framework.dll
Syntax
public class AutoExposureConstructors
AutoExposure()
Initializes a new instance of the AutoExposure class.
Declaration
public AutoExposure()Fields
ComputeCommandQueue
Command queue.
Declaration
protected CommandQueue ComputeCommandQueueField Value
| Type | Description |
|---|---|
| CommandQueue |
GenerateHistogram
Generates the luminance histogram of an image.
Declaration
protected Histogram GenerateHistogramField Value
| Type | Description |
|---|---|
| Histogram |
HistogramZeroValues
Resets the histogram buffer.
Declaration
protected uint[] HistogramZeroValuesField Value
| Type | Description |
|---|---|
| uint[] |
LogLuminanceRange
Gets or sets the logarithmic luminance range (Default 12.0f).
Declaration
public float LogLuminanceRangeField Value
| Type | Description |
|---|---|
| float |
LuminanceAverage
Gets the luminance average from the luminance histogram.
Declaration
protected LuminanceAvg LuminanceAverageField Value
| Type | Description |
|---|---|
| LuminanceAvg |
LuminanceAvgBuffer
Buffer with a luminance average value. (size: 1 float).
Declaration
protected Buffer LuminanceAvgBufferField Value
| Type | Description |
|---|---|
| Buffer |
LuminanceHistogramBuffer
Buffer with luminance histogram (size: 256 uints).
Declaration
protected Buffer LuminanceHistogramBufferField Value
| Type | Description |
|---|---|
| Buffer |
MinLogLuminance
Gets or sets the minimum logarithmic luminance (default is -10).
Declaration
public float MinLogLuminanceField Value
| Type | Description |
|---|---|
| float |
StagingLuminanceAvgBuffer
Staging buffer to read the luminance average value.
Declaration
protected Buffer StagingLuminanceAvgBufferField Value
| Type | Description |
|---|---|
| Buffer |
TAU
Gets or sets the TAU. (Default is 1.1).
Declaration
public float TAUField Value
| Type | Description |
|---|---|
| float |
TimeDelta
Gets or sets the time delta with the previous frame (Default 1/60).
Declaration
public float TimeDeltaField Value
| Type | Description |
|---|---|
| float |
Methods
Dispose()
Disposes all reserved resources.
Declaration
public void Dispose()ProcessFrame(Texture, Camera, float)
Processes and returns the luminance average of the frame.
Declaration
public void ProcessFrame(Texture frame, Camera camera, float timeDelta)Parameters
| Type | Name | Description |
|---|---|---|
| Texture | frame | Current frame. |
| Camera | camera | Current camera. |
| float | timeDelta | Delta time from the previous frame. |