Code
Contents
- Dependencies
- Overview
- New Procedures and Functions
- New Tokens
- Errors
- New State
- New Implementation Dependent State
Dependencies
None
Overview
New texture environment function ADD is supported with the following
equation:
Cv = Cf + Ct
New function may be specified by calling TexEnv with ADD token.
One possible application is to add a specular highlight texture to a Gouraud-shaded primitive to emulate Phong shading, in a single pass.
New Procedures and Functions
None
New Tokens
Accepted by the
<params>
parameter of TexEnvf, TexEnvi, TexEnvfv, and TexEnvfi when the
<pname>
parameter value is GL_TEXTURE_ENV_MODE
ADD
Errors
None
New State
The Type of TEXTURE_ENV_MODE in Table F.2 should be changed to
1 * xZ5
New Implementation Dependent State
None