Created basic class structure, Added renderer

2025-03-18 23:46:34 +01:00
commit 48433876c7
10 changed files with 243 additions and 0 deletions
--- a/src/renderer.cpp
+++ b/src/renderer.cpp
@@ -0,0 +1,66 @@
+#include <cstdint>
+
+#include "psyqo/primitives/triangles.hh"
+
+#include "renderer.hh"
+#include "gameobject.hh"
+
+void psxsplash::Renderer::render(eastl::array<GameObject> &objects) {
+    uint8_t parity = m_gpu.getParity();
+
+    auto& ot = m_ots[parity];
+    auto& clear = m_clear[parity];
+    auto& balloc = m_ballocs[parity];
+
+    eastl::array<psyqo::Vertex, 3> projected;
+
+    m_gpu.getNextClear(clear.primitive, m_clearcolor);
+    m_gpu.chain(clear);
+
+    balloc.reset();
+
+    for (auto& obj : objects) {
+
+        auto& mesh = obj.m_mesh;
+        auto& texture = mesh.m_texture;
+        
+        for (auto& tri : mesh.m_polygons) {
+            
+
+            psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V0>(tri.v0);
+            psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V1>(tri.v1);
+            psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V2>(tri.v2);
+
+            psyqo::GTE::Kernels::rtpt();
+            psyqo::GTE::Kernels::nclip();
+
+            int32_t mac0 = 0;
+            psyqo::GTE::read<psyqo::GTE::Register::MAC0>(reinterpret_cast<uint32_t*>(&mac0));
+            if (mac0 <= 0) continue;
+
+            psyqo::GTE::Kernels::avsz4();
+            int32_t zIndex = 0;
+            psyqo::GTE::read<psyqo::GTE::Register::OTZ>(reinterpret_cast<uint32_t*>(&zIndex));
+            if (zIndex < 0 || zIndex >= ORDERING_TABLE_SIZE) continue;
+            
+            psyqo::GTE::read<psyqo::GTE::Register::SXY0>(&projected[1].packed);
+            psyqo::GTE::read<psyqo::GTE::Register::SXY1>(&projected[2].packed);
+            psyqo::GTE::read<psyqo::GTE::Register::SXY2>(&projected[3].packed);
+
+            auto& prim = balloc.allocate<psyqo::Fragments::SimpleFragment<psyqo::Prim::TexturedTriangle>>(); 
+
+            prim.primitive.pointA = projected[0];
+            prim.primitive.pointB = projected[1];
+            prim.primitive.pointC = projected[2];
+            prim.primitive.uvA = tri.uvA;
+            prim.primitive.uvB = tri.uvB;
+            prim.primitive.uvC = tri.uvC;
+            prim.primitive.tpage = texture.m_tpage;
+
+            ot.insert(prim, zIndex);
+        }
+        
+    }
+
+    m_gpu.chain(ot);
+}