For example, Pixel Shader 4.0 requires at least Direct3D 10. You need to have the correct version of Direct3D (or OpenGL) installed in order to use the shaders. Pixel Shader 3.0) is usually released for each new version of DirectX (more accurately, Direct3D). A new version of the pixel shader specification (e.g. Each new version provides more capabilities, so an older video card will not run newer shaders. ![]() Pixel shaders are executed on your video card, so your video card needs to support them. The most common use for pixel shaders is 'shading', approximation to real world lighting. ![]() Pixel shaders are tiny programs that can do operations on a single pixel on the screen, as opposed to geometry shaders and vertex shaders which work on the geometrical primitives (triangles) that make up everything you see on the screen.
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