ztest option

engine/inc/renderer/3d/pipeline/static/core/stapip_core.hpp

@@ -16,6 +16,7 @@
 #include "./bag/packaging/stapip_bag_package.hpp"
 #include "./bag/packaging/stapip_bag_packager.hpp"
 #include "./stapip_qbuffer_renderer.hpp"
+#include "../stapip_ztest.hpp"
 #include "renderer/3d/pipeline/shared/pipeline_frustum_culling.hpp"
 
 namespace Tyra {
@@ -28,7 +29,7 @@ class StaPipCore {
   void init(RendererCore* t_core);
 
   /** Render 3D via "bags" */
-  void render(StaPipBag* bag, const bool& frustumCull,
+  void render(StaPipBag* bag, const bool& frustumCull, const StaPipZTest& zTest,
               StaPipBagPackagesBBox* bbox = nullptr);
 
   /** Get max vert count of VU1 qbuffer (for optimizations) */

engine/inc/renderer/3d/pipeline/static/stapip_options.hpp

@@ -11,14 +11,21 @@
 #pragma once
 
 #include "renderer/3d/pipeline/shared/pipeline_options.hpp"
+#include "./stapip_ztest.hpp"
 
 namespace Tyra {
 
 class StaPipOptions : public PipelineOptions {
  public:
-  StaPipOptions() { fullClipChecks = false; }
+  StaPipOptions() {
+    fullClipChecks = false;
+    zTestType = StaPipZTest_Standard;
+  }
   ~StaPipOptions() {}
 
+  /** @brief Type of z buffer testing. */
+  StaPipZTest zTestType;
+
   /**
    * @brief Experimental! True -> enables "clip against each plane" algorithm.
    * Mandatory, default: False.

engine/inc/renderer/3d/pipeline/static/stapip_ztest.hpp

@@ -0,0 +1,20 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+namespace Tyra {
+
+enum StaPipZTest {
+  StaPipZTest_Standard = 0,
+  StaPipZTest_AllPass = 1,
+};
+
+}  // namespace Tyra

engine/inc/renderer/core/gs/renderer_core_gs.hpp

@@ -27,6 +27,10 @@ class RendererCoreGS {
 
   void flipBuffers();
 
+  void setStandardZTest();
+
+  void setAllPassZTest();
+
  private:
   constexpr static float gsCenter = 4096.0F;
   constexpr static float screenCenter = gsCenter / 2.0F;
@@ -34,6 +38,7 @@ class RendererCoreGS {
   RendererSettings* settings;
   framebuffer_t frameBuffers[2];
   packet2_t* flipPacket;
+  packet2_t* zTestPacket;
   u8 context;
   u8 currentField;
 
@@ -43,6 +48,7 @@ class RendererCoreGS {
   void updateCurrentField();
   qword_t* setXYOffset(qword_t* q, const int& drawContext, const float& x,
                        const float& y);
+  qword_t* addAllPassZTest(qword_t* q, int context, zbuffer_t* z);
 };
 
 }  // namespace Tyra