[Vulkan] Alpha test

2022-06-30 22:20:51 +03:00
parent 6772c88141
commit f8b351138e
5 changed files with 182 additions and 1 deletions
--- a/src/xenia/gpu/vulkan/vulkan_pipeline_cache.cc
+++ b/src/xenia/gpu/vulkan/vulkan_pipeline_cache.cc
@@ -155,6 +155,17 @@ VulkanPipelineCache::GetCurrentPixelShaderModification(
    }
  }

+  using DepthStencilMode =
+      SpirvShaderTranslator::Modification::DepthStencilMode;
+  if (shader.implicit_early_z_write_allowed() &&
+      (!shader.writes_color_target(0) ||
+       !draw_util::DoesCoverageDependOnAlpha(
+           regs.Get<reg::RB_COLORCONTROL>()))) {
+    modification.pixel.depth_stencil_mode = DepthStencilMode::kEarlyHint;
+  } else {
+    modification.pixel.depth_stencil_mode = DepthStencilMode::kNoModifiers;
+  }
+
  return modification;
 }