diff options
Diffstat (limited to 'src/vulkan/anv_batch_chain.c')
| -rw-r--r-- | src/vulkan/anv_batch_chain.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/vulkan/anv_batch_chain.c b/src/vulkan/anv_batch_chain.c index f1d7bea840a..af90fb7ae21 100644 --- a/src/vulkan/anv_batch_chain.c +++ b/src/vulkan/anv_batch_chain.c @@ -398,7 +398,21 @@ anv_cmd_buffer_current_surface_relocs(struct anv_cmd_buffer *cmd_buffer) static void emit_batch_buffer_start(struct anv_batch *batch, struct anv_bo *bo, uint32_t offset) { + /* In gen8+ the address field grew to two dwords to accomodate 48 bit + * offsets. The high 16 bits are in the last dword, so we can use the gen8 + * version in either case, as long as we set the instruction length in the + * header accordingly. This means that we always emit three dwords here + * and all the padding and adjustment we do in this file works for all + * gens. + */ + + const uint32_t gen7_length = + GEN7_MI_BATCH_BUFFER_START_length - GEN7_MI_BATCH_BUFFER_START_length_bias; + const uint32_t gen8_length = + GEN8_MI_BATCH_BUFFER_START_length - GEN8_MI_BATCH_BUFFER_START_length_bias; + anv_batch_emit(batch, GEN8_MI_BATCH_BUFFER_START, + .DwordLength = batch->device->info.gen < 8 ? gen7_length : gen8_length, ._2ndLevelBatchBuffer = _1stlevelbatch, .AddressSpaceIndicator = ASI_PPGTT, .BatchBufferStartAddress = { bo, offset }); |