Merge branch '1.8-shaders' into 1.8

src/main/java/com/replaymod/compat/ReplayModCompat.java

@@ -0,0 +1,23 @@
+package com.replaymod.compat;
+
+import com.replaymod.compat.shaders.ShaderBeginRender;
+import com.replaymod.core.ReplayMod;
+import net.minecraftforge.fml.common.FMLCommonHandler;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.event.FMLInitializationEvent;
+import net.minecraftforge.fml.common.eventhandler.EventBus;
+
+@Mod(modid = ReplayModCompat.MOD_ID, useMetadata = true)
+public class ReplayModCompat {
+    public static final String MOD_ID = "replaymod-compat";
+
+    @Mod.Instance(ReplayMod.MOD_ID)
+    private static ReplayMod core;
+
+    @Mod.EventHandler
+    public void init(FMLInitializationEvent event) {
+        EventBus bus = FMLCommonHandler.instance().bus();
+        bus.register(new ShaderBeginRender());
+    }
+
+}

src/main/java/com/replaymod/compat/shaders/ShaderBeginRender.java

@@ -0,0 +1,39 @@
+package com.replaymod.compat.shaders;
+
+import com.replaymod.render.hooks.EntityRendererHandler;
+import net.minecraft.client.Minecraft;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.common.gameevent.TickEvent;
+
+import java.lang.reflect.InvocationTargetException;
+
+public class ShaderBeginRender {
+
+    private final Minecraft mc = Minecraft.getMinecraft();
+
+    /**
+     *  Invokes Shaders#beginRender when rendering a video,
+     *  as this would usually get called by EntityRenderer#renderWorld,
+     *  which we're not calling during rendering.
+     */
+    @SubscribeEvent
+    public void onRenderTickStart(TickEvent.RenderTickEvent event) {
+        if (event.phase != TickEvent.Phase.START) return;
+        if (ShaderReflection.shaders_beginRender == null) return;
+        if (ShaderReflection.config_isShaders == null) return;
+
+        try {
+            // check if video is being rendered
+            if (((EntityRendererHandler.IEntityRenderer) mc.entityRenderer).replayModRender_getHandler() == null)
+                return;
+
+            // check if Shaders are enabled
+            if (!(boolean) (ShaderReflection.config_isShaders.invoke(null))) return;
+
+            ShaderReflection.shaders_beginRender.invoke(null, mc, mc.timer.elapsedPartialTicks, 0);
+        } catch (IllegalAccessException | InvocationTargetException e) {
+            e.printStackTrace();
+        }
+    }
+
+}

src/main/java/com/replaymod/compat/shaders/ShaderReflection.java

@@ -0,0 +1,102 @@
+package com.replaymod.compat.shaders;
+
+import net.minecraft.client.Minecraft;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+public class ShaderReflection {
+
+    // Shaders.frameTimeCounter
+    public static Field shaders_frameTimeCounter;
+
+    // Shaders.isShadowPass
+    public static Field shaders_isShadowPass;
+
+    // Shaders.beginRender()
+    public static Method shaders_beginRender;
+
+    // RenderGlobal.chunksToUpdateForced (Optifine only)
+    public static Field renderGlobal_chunksToUpdateForced;
+
+    // Config.isShaders() (Optifine only)
+    public static Method config_isShaders;
+
+    static {
+        initFrameTimeCounter();
+
+        initIsShadowPass();
+
+        initBeginRender();
+
+        initChunksToUpdateForced();
+
+        initConfigIsShaders();
+    }
+
+    private static void initFrameTimeCounter() {
+        try {
+            shaders_frameTimeCounter = Class.forName("shadersmod.client.Shaders")
+                    .getDeclaredField("frameTimeCounter");
+            shaders_frameTimeCounter.setAccessible(true);
+        } catch (ClassNotFoundException ignore) {
+            // no shaders mod installed
+        } catch (NoSuchFieldException e) {
+            // the field wasn't found. Has it been renamed?
+            e.printStackTrace();
+        }
+    }
+
+    private static void initIsShadowPass() {
+        try {
+            shaders_isShadowPass = Class.forName("shadersmod.client.Shaders")
+                    .getDeclaredField("isShadowPass");
+            shaders_isShadowPass.setAccessible(true);
+        } catch (ClassNotFoundException ignore) {
+            // no shaders mod installed
+        } catch (NoSuchFieldException e) {
+            // the field wasn't found. Has it been renamed?
+            e.printStackTrace();
+        }
+    }
+
+    private static void initBeginRender() {
+        try {
+            shaders_beginRender = Class.forName("shadersmod.client.Shaders")
+                    .getDeclaredMethod("beginRender", Minecraft.class, float.class, long.class);
+            shaders_frameTimeCounter.setAccessible(true);
+        } catch (ClassNotFoundException ignore) {
+            // no shaders mod installed
+        } catch (NoSuchMethodException e) {
+            // the method wasn't found. Has it been renamed?
+            e.printStackTrace();
+        }
+    }
+
+    private static void initChunksToUpdateForced() {
+        try {
+            renderGlobal_chunksToUpdateForced = Class.forName("net.minecraft.client.renderer.RenderGlobal")
+                    .getDeclaredField("chunksToUpdateForced");
+            renderGlobal_chunksToUpdateForced.setAccessible(true);
+        } catch (ClassNotFoundException ignore) {
+            // no shaders mod installed
+        } catch (NoSuchFieldException e) {
+            // the field wasn't found. Has it been renamed?
+            e.printStackTrace();
+        }
+    }
+
+    private static void initConfigIsShaders() {
+        try {
+            config_isShaders = Class.forName("Config")
+                    .getDeclaredMethod("isShaders");
+            config_isShaders.setAccessible(true);
+        } catch (ClassNotFoundException ignore) {
+            // no shaders mod installed
+        } catch (NoSuchMethodException e) {
+            // the method wasn't found. Has it been renamed?
+            e.printStackTrace();
+        }
+    }
+
+}

src/main/java/com/replaymod/compat/shaders/mixin/MixinShaderEntityRenderer.java

@@ -0,0 +1,28 @@
+package com.replaymod.compat.shaders.mixin;
+
+import com.replaymod.compat.shaders.ShaderReflection;
+import com.replaymod.replay.ReplayHandler;
+import com.replaymod.replay.ReplayModReplay;
+import net.minecraft.client.renderer.EntityRenderer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(EntityRenderer.class)
+public abstract class MixinShaderEntityRenderer {
+
+    @Inject(method = "renderWorldPass", at = @At("HEAD"))
+    private void replayModCompat_updateShaderFrameTimeCounter(CallbackInfo ignore) {
+        if (ReplayModReplay.instance.getReplayHandler() == null) return;
+        if (ShaderReflection.shaders_frameTimeCounter == null) return;
+
+        ReplayHandler replayHandler = ReplayModReplay.instance.getReplayHandler();
+        float timestamp = replayHandler.getReplaySender().currentTimeStamp() / 1000f % 3600f;
+        try {
+            ShaderReflection.shaders_frameTimeCounter.set(null, timestamp);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/com/replaymod/compat/shaders/mixin/MixinShaderRenderChunk.java

@@ -0,0 +1,28 @@
+package com.replaymod.compat.shaders.mixin;
+
+import com.replaymod.render.hooks.EntityRendererHandler;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.chunk.RenderChunk;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(RenderChunk.class)
+public abstract class MixinShaderRenderChunk {
+
+    private final Minecraft mc = Minecraft.getMinecraft();
+
+    /**
+     *  Changes the RenderChunk#isPlayerUpdate method that Optifine adds
+     *  to always return true while rendering so no chunks are being added
+     *  to a separate rendering queue
+     */
+    @Inject(method = "isPlayerUpdate", at = @At("HEAD"), cancellable = true)
+    private void replayModCompat_disableIsPlayerUpdate(CallbackInfoReturnable<Boolean> ci) {
+        if (((EntityRendererHandler.IEntityRenderer) mc.entityRenderer).replayModRender_getHandler() == null) return;
+        ci.setReturnValue(true);
+    }
+
+
+}

src/main/java/com/replaymod/compat/shaders/mixin/MixinShaderRenderGlobal.java

@@ -0,0 +1,40 @@
+package com.replaymod.compat.shaders.mixin;
+
+import com.replaymod.compat.shaders.ShaderReflection;
+import com.replaymod.render.hooks.EntityRendererHandler;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.RenderGlobal;
+import net.minecraft.client.renderer.culling.ICamera;
+import net.minecraft.entity.Entity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(RenderGlobal.class)
+public abstract class MixinShaderRenderGlobal {
+
+    private final Minecraft mc = Minecraft.getMinecraft();
+
+    @Shadow
+    public boolean displayListEntitiesDirty;
+
+    @Inject(method = "setupTerrain", at = @At("HEAD"), cancellable = true)
+    public void replayModCompat_setupTerrain(Entity viewEntity, double partialTicks, ICamera camera,
+                                             int frameCount, boolean playerSpectator, CallbackInfo ci) {
+        if (((EntityRendererHandler.IEntityRenderer) mc.entityRenderer).replayModRender_getHandler() == null) return;
+        if (ShaderReflection.shaders_isShadowPass == null) return;
+
+        // when called by the shadow pass, displayListEntitiesDirty can't be set to false, as no chunk updates
+        // are being processed. As it's being set to true by ChunkLoadingRenderGlobal#updateChunks, we have to
+        // set it to false manually to exit the loop imposed by MixinRenderGlobal#replayModRender_setupTerrain.
+        try {
+            if ((boolean) ShaderReflection.shaders_isShadowPass.get(null) == true) {
+                displayListEntitiesDirty = false;
+            }
+        } catch (IllegalAccessException ignore) {}
+
+    }
+
+}

src/main/java/com/replaymod/core/LoadingPlugin.java

@@ -19,6 +19,7 @@ public class LoadingPlugin implements IFMLLoadingPlugin {
         MixinEnvironment.getDefaultEnvironment().addConfiguration("mixins.recording.replaymod.json");
         MixinEnvironment.getDefaultEnvironment().addConfiguration("mixins.render.replaymod.json");
         MixinEnvironment.getDefaultEnvironment().addConfiguration("mixins.replay.replaymod.json");
+        MixinEnvironment.getDefaultEnvironment().addConfiguration("mixins.compat.shaders.replaymod.json");
 
         CodeSource codeSource = getClass().getProtectionDomain().getCodeSource();
         if (codeSource != null) {

src/main/java/com/replaymod/render/capturer/ODSFrameCapturer.java

@@ -6,11 +6,11 @@ import com.replaymod.render.frame.ODSOpenGlFrame;
 import com.replaymod.render.frame.OpenGlFrame;
 import com.replaymod.render.rendering.FrameCapturer;
 import com.replaymod.render.shader.Program;
+import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.crash.CrashReport;
 import net.minecraft.util.ReportedException;
 import net.minecraft.util.ResourceLocation;
-import org.lwjgl.util.Dimension;
 import org.lwjgl.util.ReadableDimension;
 
 import java.io.IOException;
@@ -31,6 +31,8 @@ public class ODSFrameCapturer implements FrameCapturer<ODSOpenGlFrame> {
     private final BooleanState[] previousStates = new BooleanState[3];
     private final BooleanState previousFogState;
 
+    private final Minecraft mc = Minecraft.getMinecraft();
+
     public ODSFrameCapturer(WorldRenderer worldRenderer, final RenderInfo renderInfo, int frameSize) {
         RenderInfo fakeInfo = new RenderInfo() {
             private int call;
@@ -143,6 +145,8 @@ public class ODSFrameCapturer implements FrameCapturer<ODSOpenGlFrame> {
 
         @Override
         protected OpenGlFrame renderFrame(int frameId, float partialTicks, CubicOpenGlFrameCapturer.Data captureData) {
+            resize(getFrameWidth(), getFrameHeight());
+
             pushMatrix();
             frameBuffer().bindFramebuffer(true);
 
@@ -150,7 +154,7 @@ public class ODSFrameCapturer implements FrameCapturer<ODSOpenGlFrame> {
             enableTexture2D();
 
             directionVariable.set(captureData.ordinal());
-            worldRenderer.renderWorld(new Dimension(getFrameWidth(), getFrameHeight()), partialTicks, null);
+            worldRenderer.renderWorld(partialTicks, null);
 
             frameBuffer().unbindFramebuffer();
             popMatrix();

src/main/java/com/replaymod/render/capturer/OpenGlFrameCapturer.java

@@ -4,6 +4,7 @@ import com.replaymod.render.frame.OpenGlFrame;
 import com.replaymod.render.rendering.Frame;
 import com.replaymod.render.rendering.FrameCapturer;
 import com.replaymod.render.utils.ByteBufferPool;
+import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.OpenGlHelper;
 import net.minecraft.client.shader.Framebuffer;
 import org.lwjgl.opengl.GL11;
@@ -24,6 +25,8 @@ public abstract class OpenGlFrameCapturer<F extends Frame, D extends CaptureData
     protected int framesDone;
     private Framebuffer frameBuffer;
 
+    private final Minecraft mc = Minecraft.getMinecraft();
+
     public OpenGlFrameCapturer(WorldRenderer worldRenderer, RenderInfo renderInfo) {
         this.worldRenderer = worldRenderer;
         this.renderInfo = renderInfo;
@@ -56,7 +59,7 @@ public abstract class OpenGlFrameCapturer<F extends Frame, D extends CaptureData
 
     protected Framebuffer frameBuffer() {
         if (frameBuffer == null) {
-            frameBuffer = new Framebuffer(getFrameWidth(), getFrameHeight(), true);
+            frameBuffer = Minecraft.getMinecraft().getFramebuffer();
         }
         return frameBuffer;
     }
@@ -71,13 +74,15 @@ public abstract class OpenGlFrameCapturer<F extends Frame, D extends CaptureData
     }
 
     protected OpenGlFrame renderFrame(int frameId, float partialTicks, D captureData) {
+        resize(getFrameWidth(), getFrameHeight());
+
         pushMatrix();
         frameBuffer().bindFramebuffer(true);
 
         clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
         enableTexture2D();
 
-        worldRenderer.renderWorld(frameSize, partialTicks, captureData);
+        worldRenderer.renderWorld(partialTicks, captureData);
 
         frameBuffer().unbindFramebuffer();
         popMatrix();
@@ -102,11 +107,18 @@ public abstract class OpenGlFrameCapturer<F extends Frame, D extends CaptureData
         return new OpenGlFrame(frameId, new Dimension(getFrameWidth(), getFrameHeight()), buffer);
     }
 
+    protected void resize(int width, int height) {
+        if (width != mc.displayWidth || height != mc.displayHeight) {
+            setWindowSize(width, height);
+        }
+    }
+
+    private void setWindowSize(int width, int height) {
+        mc.resize(width, height);
+    }
+
     @Override
     public void close() throws IOException {
         worldRenderer.close();
-        if (frameBuffer != null) {
-            frameBuffer.deleteFramebuffer();
-        }
     }
 }

src/main/java/com/replaymod/render/capturer/WorldRenderer.java

@@ -1,10 +1,8 @@
 package com.replaymod.render.capturer;
 
-import org.lwjgl.util.ReadableDimension;
-
 import java.io.Closeable;
 
 public interface WorldRenderer extends Closeable {
-    void renderWorld(ReadableDimension displaySize, float partialTicks, CaptureData data);
+    void renderWorld(float partialTicks, CaptureData data);
     void setOmnidirectional(boolean omnidirectional);
 }

src/main/java/com/replaymod/render/gui/GuiVideoRenderer.java

@@ -14,7 +14,6 @@ import de.johni0702.minecraft.gui.element.advanced.GuiProgressBar;
 import de.johni0702.minecraft.gui.layout.CustomLayout;
 import de.johni0702.minecraft.gui.layout.HorizontalLayout;
 import net.minecraft.client.renderer.texture.DynamicTexture;
-import net.minecraft.client.renderer.texture.TextureUtil;
 import net.minecraft.client.resources.I18n;
 import net.minecraft.util.ResourceLocation;
 import org.lwjgl.util.Dimension;
@@ -23,8 +22,6 @@ import org.lwjgl.util.ReadablePoint;
 
 import java.nio.ByteBuffer;
 
-import static net.minecraft.client.renderer.GlStateManager.bindTexture;
-
 public class GuiVideoRenderer extends GuiScreen {
     private static final ResourceLocation NO_PREVIEW_TEXTURE = new ResourceLocation("replaymod", "logo.jpg");
 
@@ -232,13 +229,7 @@ public class GuiVideoRenderer extends GuiScreen {
         final int videoHeight = videoSize.getHeight();
 
         if (previewTexture == null) {
-            previewTexture = new DynamicTexture(videoWidth, videoHeight) {
+            previewTexture = new DynamicTexture(videoWidth, videoHeight);
-                @Override
-                public void updateDynamicTexture() {
-                    bindTexture(getGlTextureId());
-                    TextureUtil.uploadTextureSub(0, getTextureData(), videoWidth, videoHeight, 0, 0, true, false, false);
-                }
-            };
         }
 
         if (previewTextureDirty) {
@@ -273,7 +264,10 @@ public class GuiVideoRenderer extends GuiScreen {
             buffer.mark();
             synchronized (this) {
                 int[] data = previewTexture.getTextureData();
-                for (int i = 0; i < data.length; i++) {
+                // Optifine changes the texture data array to be three times as long (for use by shaders),
+                // we only want to initialize the first third which is why we use the length of the buffer instead
+                // of the length of the data array
+                for (int i = 0; buffer.remaining() > 0; i++) {
                     data[i] = 0xff << 24 | (buffer.get() & 0xff) << 16 | (buffer.get() & 0xff) << 8 |  (buffer.get() & 0xff);
                 }
                 previewTextureDirty = true;

src/main/java/com/replaymod/render/hooks/EntityRendererHandler.java

@@ -5,14 +5,11 @@ import com.replaymod.render.capturer.CaptureData;
 import com.replaymod.render.capturer.WorldRenderer;
 import lombok.Getter;
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.culling.ClippingHelper;
+import net.minecraft.client.renderer.GlStateManager;
 import net.minecraftforge.fml.common.FMLCommonHandler;
-import org.lwjgl.util.ReadableDimension;
 
 import java.io.IOException;
 
-import static net.minecraft.client.renderer.GlStateManager.*;
-
 public class EntityRendererHandler implements WorldRenderer {
     public final Minecraft mc = Minecraft.getMinecraft();
 
@@ -29,37 +26,20 @@ public class EntityRendererHandler implements WorldRenderer {
         ((IEntityRenderer) mc.entityRenderer).replayModRender_setHandler(this);
     }
 
-    public void withDisplaySize(int displayWidth, int displayHeight, Runnable runnable) {
-        final int prevWidth = mc.displayWidth;
-        final int prevHeight = mc.displayHeight;
-        mc.displayWidth = displayWidth;
-        mc.displayHeight = displayHeight;
-
-        runnable.run();
-
-        mc.displayWidth = prevWidth;
-        mc.displayHeight = prevHeight;
-    }
-
     @Override
-    public void renderWorld(ReadableDimension displaySize, final float partialTicks, CaptureData data) {
+    public void renderWorld(final float partialTicks, CaptureData data) {
         this.data = data;
-        withDisplaySize(displaySize.getWidth(), displaySize.getHeight(), new Runnable() {
-            @Override
-            public void run() {
         renderWorld(partialTicks, 0);
     }
-        });
-    }
 
     public void renderWorld(float partialTicks, long finishTimeNano) {
         FMLCommonHandler.instance().onRenderTickStart(partialTicks);
 
         mc.entityRenderer.updateLightmap(partialTicks);
 
-        enableDepth();
+        GlStateManager.enableDepth();
-        enableAlpha();
+        GlStateManager.enableAlpha();
-        alphaFunc(516, 0.5F);
+        GlStateManager.alphaFunc(516, 0.5F);
 
         mc.entityRenderer.renderWorldPass(2, partialTicks, finishTimeNano);
 
@@ -76,13 +56,6 @@ public class EntityRendererHandler implements WorldRenderer {
         this.omnidirectional = omnidirectional;
     }
 
-    public static final class NoCullingClippingHelper extends ClippingHelper {
-        @Override
-        public boolean isBoxInFrustum(double p_78553_1_, double p_78553_3_, double p_78553_5_, double p_78553_7_, double p_78553_9_, double p_78553_11_) {
-            return true;
-        }
-    }
-
     public interface GluPerspective {
         void replayModRender_gluPerspective(float fovY, float aspect, float zNear, float zFar);
     }

src/main/java/com/replaymod/render/mixin/MixinEntityRenderer.java

@@ -9,7 +9,6 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.EntityRenderer;
 import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.RenderGlobal;
-import net.minecraft.client.renderer.culling.Frustum;
 import net.minecraft.client.settings.GameSettings;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.player.EntityPlayer;
@@ -49,14 +48,6 @@ public abstract class MixinEntityRenderer implements EntityRendererHandler.IEnti
         }
     }
 
-    @Redirect(method = "renderWorldPass", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/renderer/culling/Frustum;setPosition(DDD)V"))
-    public void replayModRender_createNoCullingFrustum(Frustum frustum, double x, double y, double z) {
-        if (replayModRender_handler != null) {
-            frustum.clippingHelper = new EntityRendererHandler.NoCullingClippingHelper();
-        }
-        frustum.setPosition(x, y, z);
-    }
-
     @Inject(method = "orientCamera", at = @At("HEAD"))
     private void replayModRender_resetRotationIfNeeded(float partialTicks, CallbackInfo ci) {
         if (replayModRender_handler != null) {

src/main/java/com/replaymod/render/mixin/MixinRenderGlobal.java

@@ -39,6 +39,8 @@ public abstract class MixinRenderGlobal {
                 setupTerrain(viewEntity, partialTicks, camera, replayModRender_hook.nextFrameId(), playerSpectator);
             } while (displayListEntitiesDirty);
 
+            displayListEntitiesDirty = true;
+
             replayModRender_passThroughSetupTerrain = false;
             ci.cancel();
         }

src/main/java/com/replaymod/render/rendering/VideoRenderer.java

@@ -20,6 +20,7 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.client.audio.SoundCategory;
 import net.minecraft.client.gui.ScaledResolution;
 import net.minecraft.client.renderer.OpenGlHelper;
+import net.minecraft.client.shader.Framebuffer;
 import net.minecraft.util.Timer;
 import org.lwjgl.input.Mouse;
 import org.lwjgl.opengl.Display;
@@ -62,6 +63,9 @@ public class VideoRenderer implements RenderInfo {
     private boolean paused;
     private boolean cancelled;
 
+    private Framebuffer guiFramebuffer;
+    private int displayWidth, displayHeight;
+
     public VideoRenderer(RenderSettings settings, ReplayHandler replayHandler, Timeline timeline) throws IOException {
         this.settings = settings;
         this.replayHandler = replayHandler;
@@ -130,6 +134,13 @@ public class VideoRenderer implements RenderInfo {
 
     @Override
     public float updateForNextFrame() {
+        // because the jGui lib uses Minecraft's displayWidth and displayHeight values, update these temporarily
+        int displayWidthBefore = mc.displayWidth;
+        int displayHeightBefore = mc.displayHeight;
+
+        mc.displayWidth = displayWidth;
+        mc.displayHeight = displayHeight;
+
         if (!settings.isHighPerformance() || framesDone % fps == 0) {
             drawGui();
         }
@@ -142,6 +153,10 @@ public class VideoRenderer implements RenderInfo {
             tick();
         }
 
+        // change Minecraft's display size back
+        mc.displayWidth = displayWidthBefore;
+        mc.displayHeight = displayHeightBefore;
+
         framesDone++;
         return mc.timer.renderPartialTicks;
     }
@@ -192,10 +207,15 @@ public class VideoRenderer implements RenderInfo {
 
         totalFrames = (int) (duration*fps/1000);
 
-        ScaledResolution scaled = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight);
+        updateDisplaySize();
+
+        ScaledResolution scaled = new ScaledResolution(mc, displayWidth, displayHeight);
         gui.toMinecraft().setWorldAndResolution(mc, scaled.getScaledWidth(), scaled.getScaledHeight());
 
         chunkLoadingRenderGlobal = new ChunkLoadingRenderGlobal(mc.renderGlobal);
+
+        // Set up our own framebuffer to render the GUI to
+        guiFramebuffer = new Framebuffer(displayWidth, displayHeight, true);
     }
 
     private void finish() {
@@ -219,6 +239,9 @@ public class VideoRenderer implements RenderInfo {
         ReplayMod.soundHandler.playRenderSuccessSound();
 
         new GuiRenderingDone(ReplayModRender.instance, videoWriter.getVideoFile(), totalFrames, settings).display();
+
+        // Finally, resize the Minecraft framebuffer to the actual width/height of the window
+        mc.resize(displayWidth, displayHeight);
     }
 
     private void tick() {
@@ -238,12 +261,22 @@ public class VideoRenderer implements RenderInfo {
 
     public void drawGui() {
         do {
+            // Resize the GUI framebuffer if the display size changed
+            if (!settings.isHighPerformance() && displaySizeChanged()) {
+                updateDisplaySize();
+                guiFramebuffer.createBindFramebuffer(mc.displayWidth, mc.displayHeight);
+            }
+
             pushMatrix();
             clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
             enableTexture2D();
-            mc.getFramebuffer().bindFramebuffer(true);
+            guiFramebuffer.bindFramebuffer(true);
+
             mc.entityRenderer.setupOverlayRendering();
 
+            ScaledResolution scaled = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight);
+            gui.toMinecraft().setWorldAndResolution(mc, scaled.getScaledWidth(), scaled.getScaledHeight());
+
             try {
                 gui.toMinecraft().handleInput();
             } catch (IOException e) {
@@ -252,18 +285,17 @@ public class VideoRenderer implements RenderInfo {
                 throw new RuntimeException(e);
             }
 
-            ScaledResolution scaled = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight);
             int mouseX = Mouse.getX() * scaled.getScaledWidth() / mc.displayWidth;
             int mouseY = scaled.getScaledHeight() - Mouse.getY() * scaled.getScaledHeight() / mc.displayHeight - 1;
+
             gui.toMinecraft().drawScreen(mouseX, mouseY, 0);
 
-            mc.getFramebuffer().unbindFramebuffer();
+            guiFramebuffer.unbindFramebuffer();
             popMatrix();
             pushMatrix();
-            mc.getFramebuffer().framebufferRender(mc.displayWidth, mc.displayHeight);
+            guiFramebuffer.framebufferRender(displayWidth, displayHeight);
             popMatrix();
 
-
             // if not in high performance mode, update the gui size if screen size changed
             // otherwise just swap the progress gui to screen
             if (settings.isHighPerformance()) {
@@ -285,6 +317,15 @@ public class VideoRenderer implements RenderInfo {
         } while (paused);
     }
 
+    private boolean displaySizeChanged() {
+        return displayWidth != Display.getWidth() || displayHeight != Display.getHeight();
+    }
+
+    private void updateDisplaySize() {
+        displayWidth = Display.getWidth();
+        displayHeight = Display.getHeight();
+    }
+
     public int getFramesDone() {
         return framesDone;
     }

src/main/resources/mcmod.info

@@ -116,5 +116,22 @@
     "parent": "replaymod",
     "screenshots": [],
     "dependencies": []
+  },
+  {
+      "modid": "replaymod-compat",
+      "name": "Replay Mod - Compatibility",
+      "description": "Compatibility Module of the ReplayMod - Adds compatibility with other mods",
+      "version": "${version}",
+      "mcversion": "${mcversion}",
+      "url": "https://replaymod.com",
+      "updateUrl": "https://replaymod.com/download",
+      "authorList": [
+        "CrushedPixel",
+        "johni0702"
+      ],
+      "logoFile": "replaymod_logo.png",
+      "parent": "replaymod",
+      "screenshots": [],
+      "dependencies": []
     }
 ]

src/main/resources/mixins.compat.shaders.replaymod.json

@@ -0,0 +1,12 @@
+{
+  "required": false,
+  "package": "com.replaymod.compat.shaders.mixin",
+  "mixins": [],
+  "server": [],
+  "client": [
+    "MixinShaderEntityRenderer",
+    "MixinShaderRenderChunk",
+    "MixinShaderRenderGlobal"
+  ],
+  "refmap": "mixins.replaymod.refmap.json"
+}