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Editing EXT CSQC COPYTOTEXTURE
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''texture'' specifies the name of the destination texture which will receive the new data. It must have been allocated with ''csqc_alloctexture''. | ''texture'' specifies the name of the destination texture which will receive the new data. It must have been allocated with ''csqc_alloctexture''. | ||
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+ | If the engine supports automatically precaching textures as soon as they are used, then the same should be implemented for this extension - the texture name will no longer need to have been precached with a dummy texture. | ||
''glCopyTexImage2D'' requires that the destination texture have width and height be a power of two, though they don't have to be the same length. csqc_copytotexture should accept any width and height, and automatically use a larger texture. The vector returned is the s and t texture coordinates of the corner of the desired texture within the larger power-of-2 sided texture. | ''glCopyTexImage2D'' requires that the destination texture have width and height be a power of two, though they don't have to be the same length. csqc_copytotexture should accept any width and height, and automatically use a larger texture. The vector returned is the s and t texture coordinates of the corner of the desired texture within the larger power-of-2 sided texture. |