Unrimp

Features

• Compact user-header for the renderer API: A single all in one header for ease-of-use and best possible compile times
• Renderer implementations try to stick as best as possible close-to-the-metal and as a result are just a few KiB instead of MiB in memory size
• Renderer implementations load the entry points of Direct3D, OpenGL and so on during runtime, meaning it's possible to react on system failures by e.g. dynamically switching to another renderer implementation
• Support for static and dynamic build
• Renderer implementations for Direct3D 9 with support for HLSL and Cg shaders
• Renderer implementations for Direct3D 10 with support for HLSL and Cg shaders
• Renderer implementations for Direct3D 11 with support for HLSL and Cg shaders
• Renderer implementations for OpenGL with support for GLSL and Cg shaders
• Renderer implementations for OpenGL ES 2 with support for GLSL and Cg shaders
• Cross-platform: Windows, Linux
• Vertex shader (VS)
• Tessellation control shader (TCS, "hull shader" in Direct3D terminology)
• Tessellation evaluation shader (TES, "domain shader" in Direct3D terminology)
• Geometry shader (GS)
• Fragment shader (FS, "pixel shader" in Direct3D terminology)
• Vertex array object (VAO, input-assembler (IA) stage) with support for multiple vertex streams
• Vertex buffer object (VBO, input-assembler (IA) stage)
• Index buffer object (IBO, input-assembler (IA) stage)
• Swap chains, render into one or multiple operation system windows
• Framebuffer object (FBO) used for render to texture, support for multiple render targets (MRT)
• Uniform buffer object (UBO, "constant buffer" in Direct3D terminology)
• Texture buffer object (TBO)
• Textures: 2D texture and 2D texture array (more will follow later on)
• State objects with mapping to API specific settings during creation, not runtime
• Rasterizer state object (rasterizer stage (RS))
• Depth stencil state object (output-merger (OM) stage)
• Blend state object (output-merger (OM) stage)
• Sampler state object (SO)
• Collections to potentially reduce the number of state changes: Texture and sampler collection
• Instanced arrays (shader model 3 feature, vertex array element advancing per-instance instead of per-vertex)
• Draw instanced (shader model 4 feature, build in shader variable holding the current instance ID)
• Debug methods: When using Direct3D <11.1, those methods map to the Direct3D 9 PIX functions (D3DPERF_* functions, also works directly within VisualStudio 2012 out-of-the-box)
• Debug methods: Used inside the renderer implementations for better renderer debugging
• Renderer implementation specific optimizations: OpenGL: Usage of direct state access (DSA), if available

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