+ tex.width = imageWidth;
+ tex.format = t->pp_txformat & RADEON_TXFORMAT_FORMAT_MASK;
+ tex.pitch = MAX2((texImage->Width * texImage->TexFormat->TexelBytes) / 64, 1);
+ tex.offset += tmp.x & ~1023;
+ tmp.x = tmp.x % 1024;
+ if (t->tile_bits & RADEON_TXO_MICRO_TILE_X2) {
+ /* need something like "tiled coordinates" ? */
+ tmp.y = tmp.x / (tex.pitch * 128) * 2;
+ tmp.x = tmp.x % (tex.pitch * 128) / 2 / texImage->TexFormat->TexelBytes;
+ tex.pitch |= RADEON_DST_TILE_MICRO >> 22;
+ }
+ else {
+ tmp.x = tmp.x >> (texImage->TexFormat->TexelBytes >> 1);
+ }
+ if ((t->tile_bits & RADEON_TXO_MACRO_TILE) &&
+ (texImage->Width * texImage->TexFormat->TexelBytes >= 256)) {
+ /* radeon switches off macro tiling for small textures/mipmaps it seems */
+ tex.pitch |= RADEON_DST_TILE_MACRO >> 22;
+ }