diff options
| -rw-r--r-- | src/intel/blorp/blorp_genX_exec.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/intel/blorp/blorp_genX_exec.h b/src/intel/blorp/blorp_genX_exec.h index 50341ab0ecf..7a8c45dbee5 100644 --- a/src/intel/blorp/blorp_genX_exec.h +++ b/src/intel/blorp/blorp_genX_exec.h @@ -1628,6 +1628,20 @@ blorp_emit_gen8_hiz_op(struct blorp_batch *batch, */ blorp_emit_3dstate_multisample(batch, params); + /* From the BDW PRM Volume 7, Depth Buffer Clear: + * + * The clear value must be between the min and max depth values + * (inclusive) defined in the CC_VIEWPORT. If the depth buffer format is + * D32_FLOAT, then +/-DENORM values are also allowed. + * + * Set the bounds to match our hardware limits, [0.0, 1.0]. + */ + if (params->depth.enabled && params->hiz_op == ISL_AUX_OP_FAST_CLEAR) { + assert(params->depth.clear_color.f32[0] >= 0.0f); + assert(params->depth.clear_color.f32[0] <= 1.0f); + blorp_emit_cc_viewport(batch); + } + /* If we can't alter the depth stencil config and multiple layers are * involved, the HiZ op will fail. This is because the op requires that a * new config is emitted for each additional layer. |