| C Type | Bitdepth | Description | Common Enum |
|---|
| GLboolean |
1+ |
A boolean value, either GL_TRUE or GL_FALSE |
|
| GLbyte |
8 |
Signed, 2's complement binary integer |
GL_BYTE |
| GLubyte |
8 |
Unsigned binary integer |
GL_UNSIGNED_BYTE |
| GLshort |
16 |
Signed, 2's complement binary integer |
GL_SHORT |
| GLushort |
16 |
Unsigned binary integer |
GL_UNSIGNED_SHORT |
| GLint |
32 |
Signed, 2's complement binary integer |
GL_INT |
| GLuint |
32 |
Unsigned binary integer |
GL_UNSIGNED_INT |
| GLfixed |
32 |
Signed, 2's complement 16.16 integer |
GL_FIXED |
| GLint64 |
64 |
Signed, 2's complement binary integer |
|
| GLuint64 |
64 |
Unsigned binary integer |
|
| GLsizei |
32 |
A non-negative binary integer, for sizes. |
|
| GLenum |
32 |
An OpenGL enumerator value |
|
| GLintptr |
ptrbits1 |
Signed, 2's complement binary integer |
|
| GLsizeiptr |
ptrbits1 |
Non-negative binary integer size, for memory offsets and ranges |
|
| GLsync |
ptrbits1 |
Sync Object handle |
|
| GLbitfield |
32 |
A bitfield value |
|
| GLhalf |
16 |
An IEEE-754 floating-point value |
GL_HALF_FLOAT |
| GLfloat |
32 |
An IEEE-754 floating-point value |
GL_FLOAT |
| GLclampf |
32 |
An IEEE-754 floating-point value, clamped to the range [0,1] |
|
| GLdouble |
64 |
An IEEE-754 floating-point value |
GL_DOUBLE |
| GLclampd |
64 |
An IEEE-754 floating-point value, clamped to the range [0,1] |