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Originally, this functionality was achieved by writing shaders in ARB assembly language – a complex and unintuitive task. The OpenGL ARB created the OpenGL Shading Language to provide a more intuitive method for programming the graphics processing unit while maintaining the open standards advantage that has driven OpenGL throughout its history.
This shader works by replacing all light areas of the image with white, and all dark areas with a brightly colored texture. In computer graphics, a shader is a computer program that calculates the appropriate levels of light, darkness, and color during the rendering of a 3D scene—a process known as shading.
An example of bloom in a computer-generated image (from Elephants Dream).The light on the bright background bleeds on the darker areas, such as the walls and the characters.
The unified shader model uses the same hardware resources for both vertex and fragment processing. In the field of 3D computer graphics, the unified shader model (known in Direct3D 10 as "Shader Model 4.0") refers to a form of shader hardware in a graphical processing unit (GPU) where all of the shader stages in the rendering pipeline (geometry, vertex, pixel, etc.) have the same capabilities.
The downfall of Númenor and the changing of the world: the island is drowned by Ilúvatar, and Elendil, Isildur and their people escape to Middle-earth. [1]In Tolkien's legendarium, the island of Númenor, in the great sea to the West of Middle-earth, was created at the start of the Second Age as a reward to the men who had fought against the fallen Vala Morgoth, the primary antagonist of the ...