diff options
| author | Jason Ekstrand <[email protected]> | 2016-03-05 09:19:01 -0800 |
|---|---|---|
| committer | Jason Ekstrand <[email protected]> | 2016-03-05 09:59:28 -0800 |
| commit | 1afdfc3e6e022a4e5e9701b365c4f92554be999a (patch) | |
| tree | 74a22417262a65758e11068ea9394e7bcb6590fd /src/intel/vulkan/gen8_pipeline.c | |
| parent | 7c1660aa14094e40fba9f39ce194cb6238311b65 (diff) | |
anv/pipeline: Implement the depth compare EQUAL workaround on gen8+
Diffstat (limited to 'src/intel/vulkan/gen8_pipeline.c')
| -rw-r--r-- | src/intel/vulkan/gen8_pipeline.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/intel/vulkan/gen8_pipeline.c b/src/intel/vulkan/gen8_pipeline.c index e8a067851cc..4a5e8674189 100644 --- a/src/intel/vulkan/gen8_pipeline.c +++ b/src/intel/vulkan/gen8_pipeline.c @@ -238,6 +238,14 @@ emit_ds_state(struct anv_pipeline *pipeline, .BackfaceStencilTestFunction = vk_to_gen_compare_op[info->back.compareOp], }; + /* From the Broadwell PRM: + * + * "If Depth_Test_Enable = 1 AND Depth_Test_func = EQUAL, the + * Depth_Write_Enable must be set to 0." + */ + if (info->depthTestEnable && info->depthCompareOp == VK_COMPARE_OP_EQUAL) + wm_depth_stencil.DepthBufferWriteEnable = false; + GENX(3DSTATE_WM_DEPTH_STENCIL_pack)(NULL, dw, &wm_depth_stencil); } |