Reduce Resolution on macOS

Fixes neoforged/NeoForge#307
neoforged · Dec 18, 2023 · c1a1709 · c1a1709
1 parent f61b1e1
commit c1a1709
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/earlydisplay/src/main/java/net/neoforged/fml/earlydisplay/DisplayWindow.java b/earlydisplay/src/main/java/net/neoforged/fml/earlydisplay/DisplayWindow.java
@@ -399,6 +399,8 @@ public void initWindow(@Nullable String mcVersion) {
             glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, GL_VERSIONS[versidx][1]);
             glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
             glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+            if (FMLConfig.getBoolConfigValue(FMLConfig.ConfigValue.EARLY_WINDOW_REDUCE_RESOLUTION))
+                glfwWindowHint(GLFW_COCOA_RETINA_FRAMEBUFFER, GLFW_FALSE);
             window = glfwCreateWindow(winWidth, winHeight, "Minecraft: NeoForge Loading...", 0L, 0L);
             var erridx = versidx;
             handleLastGLFWError((error, description) -> lastGLError[erridx] = String.format("Trying %d.%d: GLFW error: [0x%X]%s", GL_VERSIONS[erridx][0], GL_VERSIONS[erridx][1], error, description));

diff --git a/loader/src/main/java/net/neoforged/fml/loading/FMLConfig.java b/loader/src/main/java/net/neoforged/fml/loading/FMLConfig.java
@@ -35,7 +35,8 @@ public enum ConfigValue {
         EARLY_WINDOW_FBSCALE("earlyWindowFBScale", 1, "Early window framebuffer scale"),
         EARLY_WINDOW_MAXIMIZED("earlyWindowMaximized", Boolean.FALSE, "Early window starts maximized"),
         EARLY_WINDOW_SKIP_GL_VERSIONS("earlyWindowSkipGLVersions", List.of(), "Skip specific GL versions, may help with buggy graphics card drivers"),
-        EARLY_WINDOW_SQUIR("earlyWindowSquir", Boolean.FALSE, "Squir?")
+        EARLY_WINDOW_SQUIR("earlyWindowSquir", Boolean.FALSE, "Squir?"),
+        EARLY_WINDOW_REDUCE_RESOLUTION("earlyWindowReduceResolution", Boolean.FALSE, "Use half the resolution on retina displays, vastly improving performance on macOS.")
         ;
 
         private final String entry;