anv/gen7: Properly handle a GS with zero invocations

2015-11-10 16:41:23 -08:00
parent 9d18555c8d
commit 750b8f9e98
1 changed files with 1 additions and 1 deletions
@@ -502,7 +502,7 @@ gen7_graphics_pipeline_create(
         /* This in the next dword on HSW. */
         .ControlDataFormat                     = gs_prog_data->control_data_format,
         .ControlDataHeaderSize                 = gs_prog_data->control_data_header_size_hwords,
-         .InstanceControl                       = gs_prog_data->invocations - 1,
+         .InstanceControl                       = MAX2(gs_prog_data->invocations, 1) - 1,
         .DispatchMode                          = gs_prog_data->base.dispatch_mode,
         .GSStatisticsEnable                    = true,
         .IncludePrimitiveID                    = gs_prog_data->include_primitive_id,