diff options
| -rw-r--r-- | src/intel/vulkan/genX_cmd_buffer.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c index 5b76ac61679..a91cffd8fc7 100644 --- a/src/intel/vulkan/genX_cmd_buffer.c +++ b/src/intel/vulkan/genX_cmd_buffer.c @@ -3827,6 +3827,25 @@ genX(flush_pipeline_select)(struct anv_cmd_buffer *cmd_buffer, anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_CC_STATE_POINTERS), t); #endif +#if GEN_GEN == 9 + if (pipeline == _3D) { + /* There is a mid-object preemption workaround which requires you to + * re-emit MEDIA_VFE_STATE after switching from GPGPU to 3D. However, + * even without preemption, we have issues with geometry flickering when + * GPGPU and 3D are back-to-back and this seems to fix it. We don't + * really know why. + */ + const uint32_t subslices = + MAX2(cmd_buffer->device->instance->physicalDevice.subslice_total, 1); + anv_batch_emit(&cmd_buffer->batch, GENX(MEDIA_VFE_STATE), vfe) { + vfe.MaximumNumberofThreads = + devinfo->max_cs_threads * subslices - 1; + vfe.NumberofURBEntries = 2; + vfe.URBEntryAllocationSize = 2; + } + } +#endif + /* From "BXML » GT » MI » vol1a GPU Overview » [Instruction] * PIPELINE_SELECT [DevBWR+]": * |