[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/spirv_shader_translator.cc
+++ b/src/xenia/gpu/spirv_shader_translator.cc
@@ -231,6 +231,8 @@ void SpirvShaderTranslator::StartTranslation() {
       offsetof(SystemConstants, texture_swizzled_signs), type_uint4_array_2},
      {"texture_swizzles", offsetof(SystemConstants, texture_swizzles),
       type_uint4_array_4},
+      {"alpha_test_reference", offsetof(SystemConstants, alpha_test_reference),
+       type_float_},
      {"color_exp_bias", offsetof(SystemConstants, color_exp_bias),
       type_float4_},
  };
@@ -606,6 +608,10 @@ std::vector<uint8_t> SpirvShaderTranslator::CompleteTranslation() {
    execution_model = spv::ExecutionModelFragment;
    builder_->addExecutionMode(function_main_,
                               spv::ExecutionModeOriginUpperLeft);
+    if (IsExecutionModeEarlyFragmentTests()) {
+      builder_->addExecutionMode(function_main_,
+                                 spv::ExecutionModeEarlyFragmentTests);
+    }
  } else {
    assert_true(is_vertex_shader());
    execution_model = IsSpirvTessEvalShader()