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glVertexAttribDivisor

Name

glVertexAttribDivisor — modify the rate at which generic vertex attributes advance during instanced rendering

C Specification

void glVertexAttribDivisor( GLuint index,
  GLuint divisor);
 

Parameters

index

Specify the index of the generic vertex attribute.

divisor

Specify the number of instances that will pass between updates of the generic attribute at slot index.

Description

glVertexAttribDivisor modifies the rate at which generic vertex attributes advance when rendering multiple instances of primitives in a single draw call (see glDrawArraysInstanced and glDrawElementsInstanced). If divisor is zero, the attribute at slot index advances once per vertex. If divisor is non-zero, the attribute advances once per divisor instances of the set(s) of vertices being rendered. An attribute is referred to as instanced if its GL_VERTEX_ATTRIB_ARRAY_DIVISOR value is non-zero.

index must be less than the value of GL_MAX_VERTEX_ATTRIBUTES.

Errors

GL_INVALID_VALUE is generated if index is greater than or equal to the value of GL_MAX_VERTEX_ATTRIBUTES.

API Version Support

OpenGL ES API Version
Function Name 2.0 3.0 3.1
glVertexAttribDivisor -
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