Module gfx::state

Fixed-function hardware state.

Configures the primitive assembly (PA), rasterizer, and output merger (OM) blocks.

Structs

• Blend
• BlendChannel
• Color
  The state of an active color render target
• ColorMask
• Depth
  Depth test state.
• MultiSample
  Multi-sampling rasterization mode
• Offset
  How to offset vertices in screen space, if at all.
• Rasterizer
  Primitive rasterization state. Note that GL allows different raster method to be used for front and back, while this abstraction does not.
• RefValues
  The complete set of the rasterizer reference values. Switching these doesn’t roll the hardware context.
• Stencil
  Complete stencil state, specifying how to handle the front and back side of a face.
• StencilSide
  Complete stencil state for a given side of a face.

Enums

• BlendValue
• Comparison
  A pixel-wise comparison function.
• CullFace
  Which face, if any, to cull.
• Equation
• Factor
• FrontFace
  The front face winding order of a set of vertices.
• RasterMethod
  How to rasterize a primitive.
• StencilOp
  Stencil mask operation.

Type Definitions

• LineWidth
  Width of a line. Could be f32 if not for Hash deriving issues.
• OffsetSlope
  Slope depth offset factor Could be f32 if not for Hash deriving issues.
• OffsetUnits
  Number of units to offset, where the unit is the minimal difference in the depth value dictated by the precision of the depth buffer.