From a83579b50a167ab9483e5058fd1c748018ef6d7c Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Tue, 13 Apr 2021 16:56:22 -0300
Subject: shader: Implement early Z tests
---
src/shader_recompiler/backend/spirv/emit_spirv.cpp | 3 +++
src/shader_recompiler/profile.h | 1 +
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp | 1 +
3 files changed, 5 insertions(+)
(limited to 'src')
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
index 61a2018d7a..7ad00c4343 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
@@ -178,6 +178,9 @@ void DefineEntryPoint(const IR::Program& program, EmitContext& ctx, Id main) {
if (program.info.stores_frag_depth) {
ctx.AddExecutionMode(main, spv::ExecutionMode::DepthReplacing);
}
+ if (ctx.profile.force_early_z) {
+ ctx.AddExecutionMode(main, spv::ExecutionMode::EarlyFragmentTests);
+ }
break;
default:
throw NotImplementedException("Stage {}", program.stage);
diff --git a/src/shader_recompiler/profile.h b/src/shader_recompiler/profile.h
index 06f1f59bd8..919bec4e2c 100644
--- a/src/shader_recompiler/profile.h
+++ b/src/shader_recompiler/profile.h
@@ -53,6 +53,7 @@ struct Profile {
std::array<AttributeType, 32> generic_input_types{};
bool convert_depth_mode{};
+ bool force_early_z{};
InputTopology input_topology{};
diff --git a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
index f49add208c..8a59a26112 100644
--- a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
@@ -934,6 +934,7 @@ Shader::Profile PipelineCache::MakeProfile(const GraphicsPipelineCacheKey& key,
profile.input_topology = Shader::InputTopology::TrianglesAdjacency;
break;
}
+ profile.force_early_z = key.state.early_z != 0;
return profile;
}
--
cgit v1.2.3-70-g09d2