More work to drivers

- Add gfx_test
- add texture loading to GfxOpenGL
- add full submit code
- add debug logging
- add construct and destroy functionality to Pool
- add command functionality
- add vertex and index pools to lithium (static and not threadsafe yet)
- Update GfxDriver Matrix with SetViewPort
- Add glfw (only dependency of gfx_test) maybe later required for input driver

tests/gfx/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.22)
+
+project(gfx-tests)
+
+add_executable(gfx-tests ${CMAKE_CURRENT_SOURCE_DIR}/source/main.cpp)
+target_link_libraries(gfx-tests PRIVATE palladium::palladium pd-system glfw)

tests/gfx/source/main.cpp

@@ -0,0 +1,73 @@
+#include <glad/glad.h>
+//////////////////////////
+#include <GLFW/glfw3.h>
+
+#include <format>
+#include <gfx_opengl.hpp>
+#include <iostream>
+#include <palladium>
+
+#include "pd/core/vec2.hpp"
+#include "pd/lithium/pools.hpp"
+#include "pd/lithium/vertex.hpp"
+
+class App {
+ public:
+  App() {
+    PD::Os::UseDriver<PD::OsDriver>();
+    PD::Gfx::UseDriver<PD::GfxOpenGL>();
+    glfwInit();
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+    glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
+    window = glfwCreateWindow(1280, 720, "gfx_tests", nullptr, nullptr);
+    glfwMakeContextCurrent(window);
+    gladLoadGLLoader(reinterpret_cast<GLADloadproc>(glfwGetProcAddress));
+    glfwSwapInterval(1);
+    PD::Gfx::Init();
+    PD::Li::InitPools(8192);
+    std::vector<PD::u8> img(16 * 16 * 4, 0xff);
+    pTex = PD::Gfx::LoadTexture(img, 16, 16);
+    std::cout << "GfxDriver: " << PD::Gfx::GetDriverName() << std::endl;
+    pPool.Init(10);
+    auto cmd = pPool.Allocate(1);
+    cmd->Reserve(4, 6);
+    cmd->Add(PD::Li::Vertex(PD::fvec2(0, 0), PD::fvec2(0, 0), 0xffffffff));
+    cmd->Add(PD::Li::Vertex(PD::fvec2(50, 0), PD::fvec2(1, 0), 0xffffffff));
+    cmd->Add(PD::Li::Vertex(PD::fvec2(50, 50), PD::fvec2(1, 1), 0xffffffff));
+    cmd->Add(PD::Li::Vertex(PD::fvec2(0, 50), PD::fvec2(0, 1), 0xffffffff));
+    cmd->Add(0, 1, 2);
+    cmd->Add(0, 2, 3);
+    cmd->Tex = pTex;
+  }
+  ~App() {
+    PD::Gfx::Deinit();
+    glfwDestroyWindow(window);
+    glfwTerminate();
+  }
+
+  void Run() {
+    while (!glfwWindowShouldClose(window)) {
+      glViewport(0, 0, 1280, 720);
+      glClearColor(0.1, 0.1, 0.1, 0.1);
+      glClear(GL_COLOR_BUFFER_BIT);
+      PD::Gfx::Reset();
+      PD::Gfx::SetViewPort(1280, 720);
+      PD::Gfx::Draw(pPool);
+      glfwPollEvents();
+      glfwSwapBuffers(window);
+    }
+  }
+
+ private:
+  GLFWwindow* window = nullptr;
+  PD::Pool<PD::Li::Command> pPool;
+  PD::ptr pTex = 0;
+};
+
+int main() {
+  App app;
+  app.Run();
+  return 0;
+}