diff options
Diffstat (limited to 'src/gallium/drivers/crocus/crocus_state.c')
| -rw-r--r-- | src/gallium/drivers/crocus/crocus_state.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/drivers/crocus/crocus_state.c b/src/gallium/drivers/crocus/crocus_state.c index 1df647d81c4..9dbe0a49e2d 100644 --- a/src/gallium/drivers/crocus/crocus_state.c +++ b/src/gallium/drivers/crocus/crocus_state.c @@ -6789,6 +6789,22 @@ crocus_upload_dirty_render_state(struct crocus_context *ice, emit_push_constant_packets(ice, batch, MESA_SHADER_GEOMETRY, &push_bos); #endif +#if GFX_VERx10 == 70 + /** + * From Graphics BSpec: 3D-Media-GPGPU Engine > 3D Pipeline Stages > + * Geometry > Geometry Shader > State: + * + * "Note: Because of corruption in IVB:GT2, software needs to flush the + * whole fixed function pipeline when the GS enable changes value in + * the 3DSTATE_GS." + * + * The hardware architects have clarified that in this context "flush the + * whole fixed function pipeline" means to emit a PIPE_CONTROL with the "CS + * Stall" bit set. + */ + if (batch->screen->devinfo.gt == 2 && ice->state.gs_enabled != active) + gen7_emit_cs_stall_flush(batch); +#endif #if GFX_VER >= 6 crocus_emit_cmd(batch, GENX(3DSTATE_GS), gs) #else @@ -6934,6 +6950,7 @@ crocus_upload_dirty_render_state(struct crocus_context *ice, gs.MaximumVPIndex = ice->state.num_viewports - 1; #endif } + ice->state.gs_enabled = active; } #if GFX_VER >= 7 |