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OpenGL (Open Graphics Library [4]) is a cross-language, cross-platform application programming interface (API) for rendering 2D and 3D vector graphics.The API is typically used to interact with a graphics processing unit (GPU), to achieve hardware-accelerated rendering.
Standard Portable Intermediate Representation (SPIR) is an intermediate language for parallel computing and graphics by Khronos Group.It is used in multiple execution environments, including the Vulkan graphics API and the OpenCL compute API, to represent a shader or kernel.
The computer graphics pipeline, also known as the rendering pipeline, or graphics pipeline, is a framework within computer graphics that outlines the necessary procedures for transforming a three-dimensional (3D) scene into a two-dimensional (2D) representation on a screen. [1]
The OpenGL Architecture Review Board (ARB) was formed in 1992, in part to establish standards for the GPU industry. The ARB and Nvidia established a number of OpenGL extensions to standardize GPU programming: [1] EXT_texture_env_combine - provided a programmable method of combining textures. NV_register_combiners - GeForce 256
The PICA200 implements the "MAESTRO-2G" architecture and supports programmable vertex shaders and geometry shaders, with a fixed-function fragment stage. It is advertised as supporting OpenGL ES 1.1 with certain proprietary extensions. [4] The PICA200 has up to 4 programmable vertex processors which can work in parallel.
OpenGL 3.3+ is supported for OpenSWR since Mesa 17.1. VirGL is a Rasterizer for Virtual machines implemented in Mesa 11.1 since 2015 with OpenGL 3.3 support and showed in Mesamatrix since Mesa 18. In actual new Mesa 18.2 it supports more than the others with OpenGL 4.3 and OpenGL ES 3.2. About 80% of OpenGL 4.4 and 4.5 features are also now ready.
A block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks. [1] They are heavily used in engineering in hardware design , electronic design , software design , and process flow diagrams .
In computing, an abstraction layer or abstraction level is a way of hiding the working details of a subsystem. Examples of software models that use layers of abstraction include the OSI model for network protocols, OpenGL, and other graphics libraries, which allow the separation of concerns to facilitate interoperability and platform independence.