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sampler2D, thaks to all! So if you're allocating 3 mipmaps of a 2D array texture, it would look like this: tex 0, format, width, height, num_layers. Each image within a mipmap is called a "layer". I read about "array of samplers" or "sampler2DArray" but i don't think it can be usefull cause i have to use a lot of texture. What you could do is tile big textures with lots of small texture tiles, and then create texture coords based on some kind of data stored in another texture / buffer to access those tiles., 02:14 AM #5. However, the dimension that represents the number of array levels is limited by GL_MAX_array_texture_layers, which is generally much smaller. Cubemap arrays Main article: Cubemap Array Texture Cubemap textures can be arrayed, if OpenGL.0 or ARB_texture_cube_map_array is available.
Mipmapping works based off of the angle and size of the rendered primitive relative to the window and its texture mapping. Texture arrays have separate sampler types: sampler1DArray and sampler2DArray. When accessing them within a shader, you use one extra texture coordinate. So sampler1DArray would use a 2D texture coordinate, while sampler2DArray would use a 3D texture coordinate.
The last coordinate is the layer number to access.
Glsl; Glsl and sampler2D;.
I read about "array of samplers" or "sampler2DArray" but i don't think it can be usefull cause i have to use a lot of texture.
I'm not quite sure why it's not working (looks fine to me, although maybe it doesn't like you indexing by a non const value but have you looked into texture_2D_arrays? _ _ _ _ _ _ _ _ _ _ _. However, all OpenGL APIs that act on cubemap array textures treat them as being a special case of 2D array textures. Height; GLsizei count (GLsizei)unt; GLuint texture3D; glGenTextures(1, texture3D texture3D width 1 0, GL_rgba8, width, height, count, 0, GL_bgra, GL_unsigned_INT_8_8_8_8_REV, null int i 0; for (NSString *name in arrayOfImages) /Loops through everything in arrayOfImages GLImage *image GLImage imageWithImageName:name shouldFlip:NO; /My own class that loads an image. You must use shaders to access them.