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https://github.com/patriciogonzalezvivo/thebookofshaders
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16 lines
526 B
Markdown
16 lines
526 B
Markdown
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## Uniform
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Uniform variable qualifier.
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### Ví dụ
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```glsl
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uniform vec4 direction;
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```
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### Mô tả
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```uniform``` variables contain read-only data shared from WebGL/OpenGL environment to a vertex or fragment shader.
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The value is per primitive, so is useful for variables which remain constant along a primitive, frame or scene.
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### Tham khảo thêm
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[attribute](/glossary/?lan=vi&search=attribute), [const](/glossary/?lan=vi&search=const), [varying](/glossary/?lan=vi&search=varying), [Chương 03: Uniform](/03/?lan=vi)
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