idk

archive/platform/sdl2.c

@@ -0,0 +1,124 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "sdl2.h"
+
+void displaySDL2Init(void) {
+  uint32_t flags = SDL_INIT_VIDEO;
+  #if INPUT_GAMEPAD == 1
+    flags |= SDL_INIT_GAMECONTROLLER | SDL_INIT_JOYSTICK;
+  #endif
+  if(SDL_Init(flags) != 0) {
+    errorThrow("SDL Failed to Initialize: %s", SDL_GetError());
+  }
+
+  // Set OpenGL attributes (Needs to be done now or later?)
+  SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+
+  // Create window with OpenGL flag.
+  DISPLAY.window = SDL_CreateWindow(
+    "Dusk",
+    SDL_WINDOWPOS_UNDEFINED,
+    SDL_WINDOWPOS_UNDEFINED,
+    DISPLAY_WINDOW_WIDTH_DEFAULT,
+    DISPLAY_WINDOW_HEIGHT_DEFAULT,
+    SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI |
+    SDL_WINDOW_OPENGL
+  );
+  if(!DISPLAY.window) {
+    errorThrow("SDL_CreateWindow failed: %s", SDL_GetError());
+  }
+
+  // Create OpenGL context
+  DISPLAY.glContext = SDL_GL_CreateContext(DISPLAY.window);
+  if(!DISPLAY.glContext) {
+    errorThrow("SDL_GL_CreateContext failed: %s", SDL_GetError());
+  }
+
+  SDL_GL_SetSwapInterval(1);
+  SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
+  glDisable(GL_CULL_FACE);
+  glDisable(GL_LIGHTING);// PSP defaults this on?
+  glShadeModel(GL_SMOOTH); // Fixes color on PSP?
+
+  glEnable(GL_DEPTH_TEST);
+  glDepthFunc(GL_LEQUAL);
+  glClearDepth(1.0f);
+
+  glEnable(GL_BLEND);
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  glPixelStorei(GL_PACK_ALIGNMENT, 1);
+  glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+  glEnableClientState(GL_COLOR_ARRAY);// To confirm: every frame on PSP?
+  glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+  glEnableClientState(GL_VERTEX_ARRAY);
+
+  // Get and validate GL state.
+  GLenum err = glGetError();
+  if(err != GL_NO_ERROR) {
+    assertUnreachable("GL Error before checking support");
+  }
+
+  #if PSP
+    displayInitPSP();
+  #else
+
+  #endif
+}
+
+void displaySDL2Update(void) {
+  SDL_Event event;
+  while(SDL_PollEvent(&event)) {
+    switch(event.type) {
+      case SDL_QUIT: {
+        ENGINE.running = false;
+        break;
+      }
+
+      case SDL_WINDOWEVENT: {
+        switch(event.window.event) {
+          case SDL_WINDOWEVENT_CLOSE: {
+            ENGINE.running = false;
+            break;
+          }
+          
+          default: {
+            break;
+          }
+        }
+      }
+
+      default: {
+        break;
+      }
+    }
+  }
+
+  SDL_GL_MakeCurrent(DISPLAY.window, DISPLAY.glContext);
+}
+
+void displaySDL2Swap(void) {
+  SDL_GL_SwapWindow(DISPLAY.window);
+
+  GLenum err;
+  while((err = glGetError()) != GL_NO_ERROR) {
+    debugPrint("GL Error: %d\n", err);
+  }
+}
+
+void displaySDL2Dispose(void) {
+  if(DISPLAY.glContext) {
+    SDL_GL_DeleteContext(DISPLAY.glContext);
+    DISPLAY.glContext = NULL;
+  }
+  if(DISPLAY.window) {
+    SDL_DestroyWindow(DISPLAY.window);
+    DISPLAY.window = NULL;
+  }
+  SDL_Quit();
+}