[DX12] Missing Binding for Float Type Constants

# Summary of feature
Binding for float type constants.

# Comments
These constants are missing:
- D3D12_DEFAULT_BLEND_FACTOR_ALPHA
- D3D12_DEFAULT_BLEND_FACTOR_BLUE
- D3D12_DEFAULT_BLEND_FACTOR_GREEN
- D3D12_DEFAULT_BLEND_FACTOR_RED
- D3D12_DEFAULT_BORDER_COLOR_COMPONENT
- D3D12_DEFAULT_DEPTH_BIAS_CLAMP
- D3D12_DEFAULT_MIP_LOD_BIAS
- D3D12_DEFAULT_SLOPE_SCALED_DEPTH_BIAS
- D3D12_DEFAULT_VIEWPORT_MAX_DEPTH
- D3D12_DEFAULT_VIEWPORT_MIN_DEPTH
- D3D12_FLOAT32_MAX
- D3D12_FLOAT32_TO_INTEGER_TOLERANCE_IN_ULP
- D3D12_FLOAT_TO_SRGB_EXPONENT_DENOMINATOR
- D3D12_FLOAT_TO_SRGB_EXPONENT_NUMERATOR
- D3D12_FLOAT_TO_SRGB_OFFSET
- D3D12_FLOAT_TO_SRGB_SCALE_1
- D3D12_FLOAT_TO_SRGB_SCALE_2
- D3D12_FLOAT_TO_SRGB_THRESHOLD
- D3D12_FTOI_INSTRUCTION_MAX_INPUT
- D3D12_FTOI_INSTRUCTION_MIN_INPUT
- D3D12_FTOU_INSTRUCTION_MAX_INPUT
- D3D12_FTOU_INSTRUCTION_MIN_INPUT
- D3D12_HS_MAXTESSFACTOR_LOWER_BOUND
- D3D12_HS_MAXTESSFACTOR_UPPER_BOUND
- D3D12_LINEAR_GAMMA
- D3D12_MAX_BORDER_COLOR_COMPONENT
- D3D12_MAX_DEPTH
- D3D12_MAX_POSITION_VALUE
- D3D12_MIN_DEPTH
- D3D12_MIP_LOD_BIAS_MAX
- D3D12_MIP_LOD_BIAS_MIN
- D3D12_MULTISAMPLE_ANTIALIAS_LINE_WIDTH
- D3D12_PS_LEGACY_PIXEL_CENTER_FRACTIONAL_COMPONENT
- D3D12_PS_PIXEL_CENTER_FRACTIONAL_COMPONENT
- D3D12_REQ_RESOURCE_SIZE_IN_MEGABYTES_EXPRESSION_B_TERM
- D3D12_SRGB_GAMMA
- D3D12_SRGB_TO_FLOAT_DENOMINATOR_1
- D3D12_SRGB_TO_FLOAT_DENOMINATOR_2
- D3D12_SRGB_TO_FLOAT_EXPONENT
- D3D12_SRGB_TO_FLOAT_OFFSET
- D3D12_SRGB_TO_FLOAT_THRESHOLD
- D3D12_SRGB_TO_FLOAT_TOLERANCE_IN_ULP

# Does this have a proposal?
Not found.