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15 lines
573 B
Markdown
15 lines
573 B
Markdown
## Attribute
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Vertex attribute data.
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### Example
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```glsl
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attribute vec4 v_color;
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```
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### Description
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```attribute``` read-only variables containing data shared from WebGL/OpenGL environment to the vertex shader.
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Because the vertex shader is executed one time for each vertex, attributes are specify per vertex data typically with information such as: space position, color, normal direction and texture coordinates of a vertex.
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### See Also
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[const](index.html#const.md), [uniform](index.html#uniform.md), [varying](index.html#varying.md), [Chapter 03: Uniforms](.../03/) |