IDDCX_GAMMARAMP_3X4_COLORSPACE_TRANSFORM - NtDoc
Native API online documentation, based on the System Informer
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headers
// iddcx.h
struct IDDCX_GAMMARAMP_3X4_COLORSPACE_TRANSFORM {
BOOL MatrixEnabled;
float ColorMatrix3x4[3][4];
float ScalarMultiplier;
BOOL LutEnabled;
IDDCX_RGB LookupTable1D[4096];
};
View the official Windows Driver Kit DDI referenceNo description available.
The IDDCX_GAMMARAMP_3X4_COLORSPACE_TRANSFORM structure contains a 3x4 color space gamma ramp for a monitor.
MatrixEnabledA Boolean value. If set TRUE, ColorMatrix3x4 contains a valid matrix and ScalarMultiplier contains a valid value, both of which should be applied.
ColorMatrix3x4[3]A 3x3 matrix and 3x1 addition to be applied to each pixel, stored in row-major order. Transforms colors within CIEXYZ.
ScalarMultiplierA scalar to be multiplied into each element of ColorMatrix3x4.
LutEnabledA Boolean value. If set TRUE, LookupTable1D contains a valid table that should be applied.
LookupTable1D[4096]A one-dimensional look-up table of IDDCX_RGB structures that transform colors within the color space specified by IDDCX_PATH2::WireFormatInfo.ColorSpace.
The gamma lookup table can contain a 3x4 matrix, a scalar multiplier and a LUT. This value is only specified for console drivers.
For more information about HDR support, see IddCx version 1.10 updates.
EVT_IDD_CX_MONITOR_SET_GAMMA_RAMP