Created basic class structure, Added renderer

.gitignore

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+PSX.Dev-README.md
+*.elf
+*.map
+*.cpe
+*.ps-exe
+*.dep
+*.o
+*.a
+
+.cache/
+.vscode/
+.editorconfig
+compile_commands.json

.gitmodules

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+[submodule "third_party/nugget"]
+	path = third_party/nugget
+	url = https://github.com/pcsx-redux/nugget.git

Makefile

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+TARGET = psxsplash
+TYPE = ps-exe
+
+SRCS = \
+src/main.cpp
+
+include third_party/nugget/psyqo/psyqo.mk

src/gameobject.hh

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+#pragma once
+
+#include "psyqo/trigonometry.hh"
+#include "psyqo/vector.hh"
+
+#include "mesh.hh"
+
+namespace psxsplash {
+
+    class GameObject final {
+        public:
+            psyqo::Vec3 m_pos;
+            psyqo::Angle m_rot[3];
+            Mesh m_mesh;
+            bool m_is_static;
+    };
+}

src/main.cpp

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+#include <stdint.h>
+
+#include "psyqo/application.hh"
+#include "psyqo/font.hh"
+#include "psyqo/gpu.hh"
+#include "psyqo/scene.hh"
+
+#include "renderer.hh"
+
+namespace {
+
+class PSXSplash final : public psyqo::Application {
+
+    void prepare() override;
+    void createScene() override;
+
+  public:
+    psyqo::Font<> m_font;
+    psxsplash::Renderer m_renderer;
+    PSXSplash() : m_renderer(gpu()) {}
+};
+
+class MainScene final : public psyqo::Scene {
+    void frame() override;
+
+    uint8_t m_anim = 0;
+    bool m_direction = true;
+};
+
+PSXSplash psxSplash;
+MainScene mainScene;
+
+} 
+
+void PSXSplash::prepare() {
+    psyqo::GPU::Configuration config;
+    config.set(psyqo::GPU::Resolution::W320)
+        .set(psyqo::GPU::VideoMode::AUTO)
+        .set(psyqo::GPU::ColorMode::C15BITS)
+        .set(psyqo::GPU::Interlace::PROGRESSIVE);
+    gpu().initialize(config);
+}
+
+void PSXSplash::createScene() {
+    m_font.uploadSystemFont(gpu());
+    pushScene(&mainScene);
+}
+
+void MainScene::frame() {
+    if (m_anim == 0) {
+        m_direction = true;
+    } else if (m_anim == 255) {
+        m_direction = false;
+    }
+    psyqo::Color bg{{.r = 0, .g = 64, .b = 91}};
+    bg.r = m_anim;
+    psxSplash.gpu().clear(bg);
+    if (m_direction) {
+        m_anim++;
+    } else {
+        m_anim--;
+    }
+
+    psyqo::Color c = {{.r = 255, .g = 255, .b = uint8_t(255 - m_anim)}};
+    psxSplash.m_font.print(psxSplash.gpu(), "Hello World!", {{.x = 16, .y = 32}}, c);
+}
+
+int main() { return psxSplash.run(); }

src/mesh.hh

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+#pragma once
+
+#include "EASTL/array.h"
+#include "psyqo/gte-registers.hh"
+#include "psyqo/primitives/common.hh"
+#include "texture.hh"
+
+namespace psxsplash {
+
+class Tri final {
+    public:
+    psyqo::GTE::PackedVec3 v0,v1,v2;
+    psyqo::GTE::PackedVec3 n0,n1,n2;
+    psyqo::PrimPieces::UVCoords uvA, uvB;
+    psyqo::PrimPieces::UVCoordsPadded uvC;
+    psyqo::Color colorA, colorB, colorC;
+};
+
+class Mesh final {
+    public:
+    Texture m_texture;
+    eastl::array<Tri> m_polygons;
+};
+}

src/renderer.cpp

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+#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);
+}

src/renderer.hh

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+#pragma once
+
+#include "EASTL/array.h"
+#include "gameobject.hh"
+#include "psyqo/fragments.hh"
+#include "psyqo/gpu.hh"
+#include "psyqo/ordering-table.hh"
+#include "psyqo/primitives/common.hh"
+#include "psyqo/primitives/misc.hh"
+#include "psyqo/bump-allocator.hh"
+
+namespace psxsplash {
+
+class Renderer final {
+    static constexpr size_t ORDERING_TABLE_SIZE = 1024;
+    static constexpr size_t BUMP_ALLOCATOR_SIZE = 100000;
+    
+    psyqo::GPU& m_gpu;
+    
+    public:
+    psyqo::OrderingTable<ORDERING_TABLE_SIZE> m_ots[2];
+    psyqo::Fragments::SimpleFragment<psyqo::Prim::FastFill> m_clear[2];
+    psyqo::Color m_clearcolor = {.r = 0, .g = 0, .b = 0};
+    psyqo::BumpAllocator<BUMP_ALLOCATOR_SIZE> m_ballocs[2];
+
+    Renderer(psyqo::GPU& gpuInstance) : m_gpu(gpuInstance) {}
+    void render(eastl::array<GameObject>& objects);
+};
+
+}

src/texture.hh

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+#pragma once
+
+#include <cstdint>
+
+#include "psyqo/primitives/common.hh"
+
+namespace psxsplash {
+class Texture final {
+    public:
+    psyqo::Prim::TPageAttr::ColorMode m_colormode;
+    psyqo::PrimPieces::TPageAttr m_tpage;
+    uint8_t m_width, m_height;
+};
+}