diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_extensions.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c b/src/mesa/drivers/dri/i965/intel_extensions.c index bbbb76f3e4e..3cbfaafce5f 100644 --- a/src/mesa/drivers/dri/i965/intel_extensions.c +++ b/src/mesa/drivers/dri/i965/intel_extensions.c @@ -46,6 +46,10 @@ can_do_pipelined_register_writes(struct brw_context *brw) if (brw->gen >= 8) return true; + static int result = -1; + if (result != -1) + return result; + /* We use SO_WRITE_OFFSET0 since you're supposed to write it (unlike the * statistics registers), and we already reset it to zero before using it. */ @@ -91,6 +95,8 @@ can_do_pipelined_register_writes(struct brw_context *brw) bool success = data[offset] == expected_value; drm_intel_bo_unmap(brw->batch.workaround_bo); + result = success; + return success; } @@ -100,6 +106,10 @@ can_write_oacontrol(struct brw_context *brw) if (brw->gen < 6 || brw->gen >= 8) return false; + static int result = -1; + if (result != -1) + return result; + /* Set "Select Context ID" to a particular address (which is likely not a * context), but leave all counting disabled. This should be harmless. */ @@ -150,6 +160,8 @@ can_write_oacontrol(struct brw_context *brw) bool success = data[offset] == expected_value; drm_intel_bo_unmap(brw->batch.workaround_bo); + result = success; + return success; } |