This extension provides a new set of texture functions (textureGather) to the shading language that determine 2x2 footprint that are used for linear filtering in a texture lookup, and return a vector consisting of the first component from each of the four texels in the footprint.
Promoted to core in OpenGL 4..
| Modifier and Type | Field and Description |
|---|---|
| public static final int | GL_MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS_ARB
Accepted by the |
| public static final int | GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET_ARB
Accepted by the |
| public static final int | GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET_ARB
Accepted by the |
| Access | Constructor and Description |
|---|---|
| private |
| GL_MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS_ARB | back to summary |
|---|---|
| public static final int GL_MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS_ARB Accepted by the | |
| GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET_ARB | back to summary |
|---|---|
| public static final int GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET_ARB Accepted by the | |
| GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET_ARB | back to summary |
|---|---|
| public static final int GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET_ARB Accepted by the | |
| ARBTextureGather | back to summary |
|---|---|
| private ARBTextureGather() | |