diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_state.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_state.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c index 67c4d99f213..532285024f1 100644 --- a/src/gallium/drivers/r600/r600_state.c +++ b/src/gallium/drivers/r600/r600_state.c @@ -3068,14 +3068,15 @@ static boolean r600_dma_copy_tile(struct r600_context *rctx, return FALSE; } - size = (copy_height * pitch) >> 2; - ncopy = (size / 0x0000ffff) + !!(size % 0x0000ffff); + /* It's a r6xx/r7xx limitation, the blit must be on 8 boundary for number + * line in the blit. Compute max 8 line we can copy in the size limit + */ + cheight = ((0x0000ffff << 2) / pitch) & 0xfffffff8; + ncopy = (copy_height / cheight) + !!(copy_height % cheight); r600_need_dma_space(rctx, ncopy * 7); + for (i = 0; i < ncopy; i++) { - cheight = copy_height; - if (((cheight * pitch) >> 2) > 0x0000ffff) { - cheight = (0x0000ffff << 2) / pitch; - } + cheight = cheight > copy_height ? copy_height : cheight; size = (cheight * pitch) >> 2; /* emit reloc before writting cs so that cs is always in consistent state */ r600_context_bo_reloc(rctx, &rctx->rings.dma, &rsrc->resource, RADEON_USAGE_READ); |