fix crash when the vr fabulous shader fails to compile

common/src/main/java/org/vivecraft/client_vr/provider/VRRenderer.java

@@ -484,6 +484,14 @@ public void setupRenderConfiguration() throws Exception {
             this.reinitFrameBuffers("gfx setting change");
         }
 
+        if (minecraft.options.graphicsMode().get() == GraphicsStatus.FABULOUS &&
+            minecraft.getShaderManager().getProgram(VRShaders.vrTransparency) == null) {
+            minecraft.gui.getChat().addMessage(Component.translatable("vivecraft.messages.fabulousFailed"));
+            minecraft.options.graphicsMode().set(GraphicsStatus.FAST);
+            minecraft.levelRenderer.allChanged();
+            this.reinitFrameBuffers("fabulous missing");
+        }
+
         if ((this.resizeFrameBuffers || this.reinitFramebuffers) &&
             ((WindowExtension) (Object) Minecraft.getInstance().getWindow()).vivecraft$getActualScreenWidth() != 0 &&
             ((WindowExtension) (Object) Minecraft.getInstance().getWindow()).vivecraft$getActualScreenHeight() != 0) {

common/src/main/java/org/vivecraft/client_vr/render/VRShaders.java

@@ -57,6 +57,10 @@ public class VRShaders {
         ResourceLocation.fromNamespaceAndPath("vivecraft", "core/rendertype_end_gateway_vr"),
         DefaultVertexFormat.POSITION, ShaderDefines.EMPTY);
 
+    public static final ShaderProgram vrTransparency = new ShaderProgram(
+        ResourceLocation.fromNamespaceAndPath("vivecraft", "post/vrtransparency"),
+        DefaultVertexFormat.POSITION, ShaderDefines.EMPTY);
+
     private VRShaders() {
     }
 

common/src/main/java/org/vivecraft/mixin/client/renderer/ShaderManagerMixin.java

@@ -0,0 +1,29 @@
+package org.vivecraft.mixin.client.renderer;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import com.llamalad7.mixinextras.sugar.Local;
+import net.minecraft.client.renderer.ShaderManager;
+import net.minecraft.client.renderer.ShaderProgram;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.vivecraft.client_vr.render.VRShaders;
+import org.vivecraft.client_vr.settings.VRSettings;
+
+import java.util.Map;
+import java.util.Optional;
+
+@Mixin(ShaderManager.class)
+public class ShaderManagerMixin {
+
+    @WrapOperation(method = "apply(Lnet/minecraft/client/renderer/ShaderManager$Configs;Lnet/minecraft/server/packs/resources/ResourceManager;Lnet/minecraft/util/profiling/ProfilerFiller;)V", at = @At(value = "INVOKE", target = "Ljava/util/Map;put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", ordinal = 1))
+    private Object vivecraft$letTransparencyFail(Map instance, Object k, Object v, Operation<Object> original, @Local ShaderManager.CompilationCache compilationCache) {
+        if (((ShaderProgram) k).configId().equals(VRShaders.vrTransparency.configId())) {
+            // let vrtransparency fail, some gpus don't support the 18 samplers we need
+            VRSettings.logger.error("Vivecraft: Failed to compile 'post/vrtransparency' fabulous graphics will not be available in VR.", (ShaderManager.CompilationException) v);
+            compilationCache.programs.put((ShaderProgram) k, Optional.empty());
+            return null;
+        }
+        return original.call(instance, k, v);
+    }
+}

common/src/main/resources/assets/vivecraft/lang/de_de.json

@@ -503,6 +503,7 @@
   "vivecraft.messages.stencil": "[Vivecraft] Ein anderer Mod verwendet den Schablonen Puffer, wenn Sie Grafikfehler bemerken, versuchen Sie die Augenschablone in folgendem Menü zu deaktivieren: %s\nSie können diese Nachricht in folgendem Menü deaktivieren: %s",
   "vivecraft.messages.3options": "%s > %s > %s",
   "vivecraft.messages.openSettings": "Klicken um die Einstellungen zu öffnen.",
+  "vivecraft.messages.fabulousFailed": "§cFabelhaft VR Shader konnte nicht kompiliert werden, prüfe den Log für den kompletten Fehler.",
   "vivecraft.message.kofi": "Unterstütze uns auf Ko-Fi",
   "vivecraft.message.overriddenbyserver": "§6Einstellung überschrieben vom Server.§r\n",
   "vivecraft.message.limitedbyserver": "§6Einstellungsbereich vom Server limitiert (%s - %s)§r\n",

common/src/main/resources/assets/vivecraft/lang/en_us.json

@@ -505,6 +505,7 @@
   "vivecraft.messages.stencil": "[Vivecraft] A different mod uses the stencil buffer, if you run into weird rendering issues, try disabling the Eye Stencil in: %s\nYou can disable this message in: %s",
   "vivecraft.messages.3options": "%s > %s > %s",
   "vivecraft.messages.openSettings": "Click to open settings",
+  "vivecraft.messages.fabulousFailed": "§cFabulous VR shader failed to compile, check the log for the full error.",
   "vivecraft.message.kofi": "Support us on Ko-Fi",
   "vivecraft.message.overriddenbyserver": "§6Setting overridden by server.§r\n",
   "vivecraft.message.limitedbyserver": "§6Setting range limited by server (%s - %s)§r\n",

common/src/main/resources/vivecraft.accesswidener

@@ -100,3 +100,7 @@ accessible field net/minecraft/server/network/ServerGamePacketListenerImpl above
 # to render the camera widget with dispaly
 accessible field net/minecraft/client/renderer/item/ItemStackRenderState layers [Lnet/minecraft/client/renderer/item/ItemStackRenderState$LayerRenderState;
 accessible field net/minecraft/client/renderer/item/ItemStackRenderState$LayerRenderState model Lnet/minecraft/client/resources/model/BakedModel;
+
+# to let the vr transparancy shader fail to compile
+accessible class net/minecraft/client/renderer/ShaderManager$CompilationCache
+accessible field net/minecraft/client/renderer/ShaderManager$CompilationCache programs Ljava/util/Map;

common/src/main/resources/vivecraft.mixins.json

@@ -16,6 +16,7 @@
     "client.player.AbstractClientPlayerMixin",
     "client.renderer.ItemBlockRenderTypesMixin",
     "client.renderer.RenderStateShardAccessor",
+    "client.renderer.ShaderManagerMixin",
     "client.renderer.block.LiquidBlockRendererMixin",
     "client.renderer.entity.ArmedEntityRenderStateMixin",
     "client.renderer.entity.EntityRenderDispatcherMixin",

gradle.properties

@@ -4,7 +4,7 @@ minecraft_version=1.21.4
 enabled_platforms=fabric,forge,neoforge
 
 archives_base_name=vivecraft
-mod_version=1.1.14-b3
+mod_version=1.1.14-b4
 maven_group=org.vivecraft
 
 architectury_version=15.0.1