Contents

• Dependencies
• Overview
• New Procedures and Functions
• New Tokens
• Errors
• New State
• New Implementation Dependent State

Dependencies

This extension is written against the OpenGL 1.2.1 Specification.

OpenGL 1.1, GL_ARB_multitexture and GL_ARB_texture_env_combine are required for this extension.

Overview

Adds new operation to the texture combiner operations.

|DOT3_RGB_ARB | Arg0

<dotprod>

Arg1| |:---------------|:--------------------------------| |DOT3_RGBA_ARB | Arg0

<dotprod>

Arg1 |

where Arg0, Arg1 are specified by

<params>

parameter of TexEnvf, TexEnvi, TexEnvfv, and TexEnviv when the

<pname>

parameter value is SOURCE0_RGB_ARB and SOURCE1_RGB_ARB.

New Procedures and Functions

None

New Tokens

Accepted by the

<params>

parameter of TexEnvf, TexEnvi, TexEnvfv, and TexEnviv when the

<pname>

parameter value is COMBINE_RGB_ARB

|DOT3_RGB_ARB | 0x86AE| |:-----------------------|:-----------| |DOT3_RGBA_ARB | 0x86AF|

Errors

INVALID_ENUM is generated if

<params>

value for COMBINE_RGB_ARB is not one of REPLACE, MODULATE, ADD, ADD_SIGNED_ARB, INTERPOLATE_ARB, SUBTRACT_ARB, DOT3_RGB_ARB or DOT3_RGBA_ARB.

New State

None

New Implementation Dependent State

None