prog

src/display/CMakeLists.txt

@@ -31,8 +31,6 @@ elseif(DUSK_TARGET_SYSTEM STREQUAL "psp")
       DISPLAY_SDL2=1
       DISPLAY_WINDOW_WIDTH_DEFAULT=480
       DISPLAY_WINDOW_HEIGHT_DEFAULT=272
-      DISPLAY_WIDTH=480
-      DISPLAY_HEIGHT=272
       DISPLAY_SIZE_DYNAMIC=0
   )
 endif()

src/display/display.c

@@ -12,6 +12,7 @@
 #include "display/spritebatch/spritebatch.h"
 #include "display/mesh/quad.h"
 #include "game/game.h"
+#include "display/screen.h"
 
 display_t DISPLAY;
 
@@ -71,6 +72,7 @@ errorret_t displayInit(void) {
   quadInit();
   frameBufferInitBackbuffer();
   spriteBatchInit();
+  screenInit();
 
   errorOk();
 }
@@ -106,11 +108,19 @@ errorret_t displayUpdate(void) {
 
     SDL_GL_MakeCurrent(DISPLAY.window, DISPLAY.glContext);
   #endif
-  
+
+  // Reset state
   spriteBatchClear();
   frameBufferBind(NULL);
+  
+  // Bind screen and render scene
+  screenBind();
   sceneManagerRender();
+
+  // Finish up
   spriteBatchFlush();
+  screenUnbind();
+  screenRender();
 
   #if DISPLAY_SDL2
     SDL_GL_SwapWindow(DISPLAY.window);
@@ -127,6 +137,7 @@ errorret_t displayUpdate(void) {
 
 errorret_t displayDispose(void) {
   spriteBatchDispose();
+  screenDispose();
 
   #if DISPLAY_SDL2
     if(DISPLAY.glContext) {

src/display/displaydefs.h

@@ -21,15 +21,8 @@
   #error "Need to specify display backend."
 #endif
 
-#ifndef DISPLAY_WIDTH
-  #define DISPLAY_WIDTH 320
-#endif
-#ifndef DISPLAY_HEIGHT
-  #define DISPLAY_HEIGHT 240
-#endif
-
 #ifndef DISPLAY_WINDOW_WIDTH_DEFAULT
-  #define DISPLAY_WINDOW_WIDTH_DEFAULT DISPLAY_WIDTH
+  #error "DISPLAY_WINDOW_WIDTH_DEFAULT must be defined."
 #endif
 #ifndef DISPLAY_WINDOW_HEIGHT_DEFAULT
   #define DISPLAY_WINDOW_HEIGHT_DEFAULT DISPLAY_HEIGHT

src/display/screen.c

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "screen.h"
+#include "assert/assert.h"
+#include "util/memory.h"
+
+void screenInit() {
+  memoryZero(&SCREEN, sizeof(screen_t));
+}
+
+void screenBind() {
+  // Assume framebuffer is already unbound
+}
+
+void screenUnbind() {
+
+}
+
+void screenRender() {
+
+}
+
+void screenDispose() {
+
+}

src/display/screen.h

@@ -0,0 +1,63 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dusk.h"
+
+typedef enum {
+  SCREEN_MODE_BACKBUFFER,
+
+  #if DISPLAY_SIZE_DYNAMIC == 1
+  #endif
+  // SCREEN_MODE_FIXED_ASPECT,
+  // SCREEN_MODE_FIXED_ASPECT_INTEGER,
+  // SCREEN_MODE_FIXED_HEIGHT,
+  // SCREEN_MODE_FIXED_HEIGHT_INTEGER,
+  // SCREEN_MODE_FIXED_WIDTH,
+  // SCREEN_MODE_FIXED_WIDTH_INTEGER,
+  // SCREEN_MODE_SUPER_RESOLUTION_HEIGHT,
+  // SCREEN_MODE_SUPER_RESOLUTION_WIDTH
+} screenmode_t;
+
+typedef struct {
+  screenmode_t mode;
+
+  // Calculated dimensions of the viewport, to be used by the camera
+  int32_t width;
+  int32_t height;
+  
+  union {
+
+  };
+} screen_t;
+
+extern screen_t SCREEN;
+
+/**
+ * Initializes the screen system.
+ */
+void screenInit();
+
+/**
+ * Binds the screen, this is done before rendering game content.
+ */
+void screenBind();
+
+/**
+ * Unbinds the screen, does nothing for now.
+ */
+void screenUnbind();
+
+/**
+ * Renders the screen to the current framebuffer.
+ */
+void screenRender();
+
+/**
+ * Disposes the screen system.
+ */
+void screenDispose();