| 258 | } \ |
| 259 | |
| 260 | static void EncodeRGBA6(u8 *dst, u8 *src, u32 format) |
| 261 | { |
| 262 | u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize; |
| 263 | s32 tSpan, sBlkSpan, tBlkSpan, writeStride; |
| 264 | u8 r, g, b, a; |
| 265 | u32 readStride = 3; |
| 266 | u8 *dstBlockStart = dst; |
| 267 | |
| 268 | switch (format) |
| 269 | { |
| 270 | case GX_TF_I4: |
| 271 | SetBlockDimensions(3, 3, &sBlkCount, &tBlkCount, &sBlkSize, &tBlkSize); |
| 272 | SetSpans(sBlkSize, tBlkSize, &tSpan, &sBlkSpan, &tBlkSpan, &writeStride); |
| 273 | sBlkSize /= 2; |
| 274 | ENCODE_LOOP_BLOCKS |
| 275 | { |
| 276 | RGBA_to_RGB8(src, &r, &g, &b); |
| 277 | src += readStride; |
| 278 | *dst = RGB8_to_I(r, g, b) & 0xf0; |
| 279 | |
| 280 | RGBA_to_RGB8(src, &r, &g, &b); |
| 281 | src += readStride; |
| 282 | *dst |= RGB8_to_I(r, g, b) >> 4; |
| 283 | dst++; |
| 284 | } |
| 285 | ENCODE_LOOP_SPANS |
| 286 | break; |
| 287 | |
| 288 | case GX_TF_I8: |
| 289 | SetBlockDimensions(3, 2, &sBlkCount, &tBlkCount, &sBlkSize, &tBlkSize); |
| 290 | SetSpans(sBlkSize, tBlkSize, &tSpan, &sBlkSpan, &tBlkSpan, &writeStride); |
| 291 | ENCODE_LOOP_BLOCKS |
| 292 | { |
| 293 | RGBA_to_RGB8(src, &r, &g, &b); |
| 294 | src += readStride; |
| 295 | *dst++ = RGB8_to_I(r, g, b); |
| 296 | } |
| 297 | ENCODE_LOOP_SPANS |
| 298 | break; |
| 299 |
no test coverage detected