glTexImage2DMultisample
glTexImage2DMu is a function in the OpenGL Shading Language (GLSL) used within compute shaders to upload data to a texture in a multi-threaded environment. It serves as a multi-threaded variant of the standard `glTexImage2D` function, allowing multiple threads within a compute shader to safely write to different regions of a texture without causing data races.
The primary purpose of glTexImage2DMu is to enable efficient parallel data transfer from shader invocations to
The function signature for glTexImage2DMu is as follows:
`void glTexImage2DMu(Texture texture, int level, int internalformat, int width, int height, int border, int format, int
- `texture`: The texture object being updated.
- `level`: The mipmap level to update (0 for the base level).
- `internalformat`: The internal format of the texture (e.g., `GL_RGBA8`).
- `width` and `height`: Dimensions of the texture region being updated.
- `border`: Must be 0 for non-border textures.
- `format`: The format of the pixel data (e.g., `GL_RGBA`).
- `type`: The data type of the pixel values (e.g., `GL_UNSIGNED_BYTE`).
- `pixels`: A pointer to the pixel data being uploaded.
This function is part of the OpenGL 4.6 specification and later versions, introduced to support multi-threaded