Next Milestone reached.

.settings/org.eclipse.buildship.core.prefs

@@ -5,7 +5,7 @@ connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)
 connection.project.dir=
 eclipse.preferences.version=1
 gradle.user.home=
-java.home=C\:/Program Files/Eclipse Adoptium/jdk25
+java.home=C\:/Program Files/Java/jdk25
 jvm.arguments=
 offline.mode=false
 override.workspace.settings=true

gradle.properties

@@ -1,4 +1,4 @@
 org.gradle.jvmargs=-Xmx2G
 
-lwjglVersion = 3.3.4
+lwjglVersion = 3.4.2
 lwjglNatives = natives-windows

src/assets/java/speiger/src/coreengine/assets/api/IAssetPackage.java

@@ -1,6 +1,8 @@
 package speiger.src.coreengine.assets.api;
 
 import java.io.IOException;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.attribute.BasicFileAttributes;
@@ -12,7 +14,9 @@ import java.util.function.Consumer;
 import org.jspecify.annotations.NullMarked;
 import org.jspecify.annotations.Nullable;
 
+import speiger.src.coreengine.assets.impl.FolderAssetPackage;
 import speiger.src.coreengine.assets.impl.FolderWatcher.ChangeType;
+import speiger.src.coreengine.assets.impl.ZipAssetPackage;
 
 @NullMarked
 public interface IAssetPackage extends AutoCloseable {
@@ -23,6 +27,23 @@ public interface IAssetPackage extends AutoCloseable {
 	IAsset get(ID location);
 	void getAll(ID folder, BiConsumer<ID, IAsset> assets);
 	
+	public static IAssetPackage asset(Path path) {
+		return create(path, "assets");
+	}
+	
+	public static IAssetPackage create(Path path, String baseFolder) {
+		if(Files.exists(path)) {
+			if(Files.isDirectory(path)) return new FolderAssetPackage(path.resolve(baseFolder));
+			if(isZip(path)) return new ZipAssetPackage(path, baseFolder);
+		}
+		return null;
+	}
+	
+	private static boolean isZip(Path path) {
+		try(FileSystem system = FileSystems.newFileSystem(path)) { return "jar".equals(system.provider().getScheme()); }
+		catch(Exception _) { return false; }
+	}
+	
 	public record AssetIdentity(long size, FileTime lastModified) {
 		
 		public AssetIdentity(Path path) throws IOException {

src/assets/java/speiger/src/coreengine/assets/api/ID.java

@@ -43,8 +43,8 @@ public record ID(String domain, String path) implements Comparable<ID> {
 	public static final ID of(String location) {
 		Objects.requireNonNull(location);
 		int index = location.indexOf(":");
-		String domain = location.substring(0, index);
+		String domain = index == -1 ? "base" : location.substring(0, index);
-		String path = location.substring(index + 1);
+		String path = index == -1 ? location : location.substring(index + 1);
 		if(!isValidDomain(domain)) throw new IllegalArgumentException("Non [a-zA-Z0-9_.-] Character found in domain of location ["+domain+":"+path+"]");
 		if(!isValidPath(path)) throw new IllegalArgumentException("Non [a-zA-Z0-9/_.-] Character found in path of location ["+domain+":"+path+"]");
 		return new ID(domain, path);

src/assets/java/speiger/src/coreengine/assets/impl/parsers/Checksums.java

@@ -18,7 +18,7 @@ public class Checksums {
 	public static class CRC implements IAssetParser<String> {
 		@Override
 		public String parse(Path path) throws IOException {
-			Map<String, Object> files = Files.readAttributes(path, "crc");
+			Map<String, Object> files = Files.readAttributes(path, "*");
 			if(files.containsKey("crc")) return Long.toHexString(((Long)files.get("crc")) & 0xFFFFFFFFL);
 			CRC32C crc = new CRC32C();
 			crc.update(Files.readAllBytes(path));

src/assets/java/speiger/src/coreengine/assets/manager/AssetManager.java

@@ -4,6 +4,7 @@ import java.nio.file.Path;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
 
@@ -27,6 +28,7 @@ public class AssetManager {
 	List<IAssetPackage> packages;
 	ReloadTracker tracker = new ReloadTracker();
 	ReloadManager manager;
+	AtomicInteger InUse = new AtomicInteger();
 	
 	public AssetManager(BaseProvider provider) {
 		setPackages(provider);
@@ -89,21 +91,29 @@ public class AssetManager {
 	}
 	
 	public IAssetProvider get() {
-		return new WrappedProvider(provider);
+		InUse.incrementAndGet();
+		return new WrappedProvider(provider, this::manageClose);
+	}
+	
+	private void manageClose() throws Exception {
+		if(InUse.decrementAndGet() > 0) return;
+		provider.close();
 	}
 	
 	public final class WrappedProvider implements IAssetProvider {
 		BaseProvider provider;
+		AutoCloseable closer;
 		
-		public WrappedProvider(BaseProvider provider) {
+		public WrappedProvider(BaseProvider provider, AutoCloseable closer) {
 			this.provider = provider;
+			this.closer = closer;
 		}
 		
 		@Override
 		public void close() throws Exception {
-			BaseProvider provider = this.provider;
+			if(provider == null) return;
 			this.provider = null;
-			provider.close(); 
+			closer.close();
 		}
 		
 		@Override

src/assets/java/speiger/src/coreengine/assets/providers/BaseProvider.java

@@ -5,6 +5,6 @@ import java.util.List;
 import speiger.src.coreengine.assets.api.IAssetPackage;
 import speiger.src.coreengine.assets.api.IAssetProvider;
 
-public interface BaseProvider extends IAssetProvider, AutoCloseable {
+public interface BaseProvider extends IAssetProvider {
 	List<IAssetPackage> packages();
 }

src/graphics/java/speiger/src/coreengine/graphics/api/buffer/VertexBuffer.java

@@ -38,13 +38,21 @@ public abstract class VertexBuffer implements GraphicsResource {
 	
 	public abstract VertexBuffer allocate(int totalBytes);
 	public abstract VertexBuffer set(long pointer, int totalBytes);
-	public VertexBuffer set(ByteBuffer buffer) {
+	public VertexBuffer set(ByteBuffer buffer) { return set(MemoryUtil.memAddress(buffer), buffer.remaining()); }
-		return set(MemoryUtil.memAddress(buffer), buffer.remaining());
+	public VertexBuffer set(byte[] data) {
+		ByteBuffer buffer = MemoryUtil.memAlloc(data.length).put(data).flip();
+		set(buffer);
+		MemoryUtil.memFree(buffer);
+		return this;
 	}
 	
 	public abstract VertexBuffer fill(long pointer, int totalBytes, int offset);
-	public VertexBuffer fill(int offset, ByteBuffer buffer) {
+	public VertexBuffer fill(int offset, ByteBuffer buffer) { return fill(MemoryUtil.memAddress(buffer), buffer.remaining(), offset); }
-		return fill(MemoryUtil.memAddress(buffer), buffer.remaining(), offset);
+	public VertexBuffer fill(int offset, byte[] data) {
+		ByteBuffer buffer = MemoryUtil.memAlloc(data.length).put(data).flip();
+		fill(offset, buffer);
+		MemoryUtil.memFree(buffer);
+		return this;
 	}
 	
 	public abstract VertexBuffer read(long pointer, int totalBytes, int offset);

src/graphics/java/speiger/src/coreengine/graphics/api/core/GraphicsCommandBuffer.java

@@ -13,10 +13,13 @@ public interface GraphicsCommandBuffer extends GraphicsResource {
 	
 	GraphicsCommandBuffer pipeline(ShaderPipeline pipeline);
 	GraphicsCommandBuffer mesh(Mesh mesh);
-	GraphicsCommandBuffer texture(int set, int binding, Texture texture, Sampler sampler);
+	GraphicsCommandBuffer texture(int binding, Texture texture, Sampler sampler);
-	GraphicsCommandBuffer uniform(int set, int binding, VertexBuffer buffer);
 	
-	GraphicsCommandBuffer drawIndexed(int start, int count);
+	GraphicsCommandBuffer uniform(int binding, VertexBuffer buffer);
+	GraphicsCommandBuffer uniform(int binding, VertexBuffer buffer, long offset, long size);
+	
+	GraphicsCommandBuffer drawArrays(int offset, int count);
+	GraphicsCommandBuffer drawElements(int offset, int count);
 	
 	GraphicsCommandBuffer pushScissors(int x, int y, int width, int height);
 	GraphicsCommandBuffer popScissors();

src/graphics/java/speiger/src/coreengine/graphics/api/core/GraphicsCommandQueue.java

@@ -1,34 +1,31 @@
 package speiger.src.coreengine.graphics.api.core;
 
+import speiger.src.coreengine.graphics.api.shader.states.GraphicsDataType;
 import speiger.src.coreengine.graphics.api.target.RenderTarget;
 import speiger.src.coreengine.graphics.api.texture.Texture;
+import speiger.src.coreengine.graphics.api.texture.states.TextureFormat;
 import speiger.src.coreengine.graphics.api.utils.PushableResource;
 import speiger.src.coreengine.math.vector.floats.Vec4f;
 
 public interface GraphicsCommandQueue {
 	public static final int CLEAR_COLOR = 1;
 	public static final int CLEAR_DEPTH = 2;
+	public static final int CLEAR_BOTH = 3;
 	public PushableResource putClearColor(Vec4f color);
 	public PushableResource putClearDepth(double value);
 	public PushableResource putRenderTarget(RenderTarget target);
+	public PushableResource pushViewPort(int x, int y, int width, int height);
 	
 	public void clearTexture(int clearParam);
 	public void clearTexture(int x, int y, int width, int height, int clearParam);
 	public void clearTexture(Texture texture, int clearParam);
 	public void clearTexture(Texture texture, int x, int y, int width, int height, int clearParam);
 	
-	public void writeToTexture(Texture target, int x, int y, int width, int height, long source);
+	public void writeToTexture(Texture target, TextureFormat format, GraphicsDataType dataType, long source);
-	public void readFromTexture(Texture source, int x, int y, int width, int height, long target);
+	public default void writeToTexture(Texture target, int x, int y, int width, int height, TextureFormat format, GraphicsDataType dataType, long source) {
+		writeToTexture(target, 0, 0, x, y, width, height, format, dataType, source);
+	}
+	public void writeToTexture(Texture target, int sourceX, int sourceY, int targetX, int targetY, int width, int height, TextureFormat format, GraphicsDataType dataType, long source);
 	
 	public void submitCommands(GraphicsCommandBuffer buffer);
-		
-	public record DrawArea(int x, int y, int width, int height) {
-		public boolean fits(int x, int y, int width, int height) {
-			return x >= x() && y >= y() && x + width < width() && y + height < height();
-		}
-		
-		public boolean fills(int width, int height) {
-			return x == 0 && y == 0 && width == width() && height == height();
-		}
-	}
 }

src/graphics/java/speiger/src/coreengine/graphics/api/core/GraphicsDevice.java

@@ -1,24 +1,28 @@
 package speiger.src.coreengine.graphics.api.core;
 
+import java.util.List;
+
 import speiger.src.coreengine.graphics.api.buffer.VertexBuffer;
 import speiger.src.coreengine.graphics.api.buffer.states.BufferState;
 import speiger.src.coreengine.graphics.api.buffer.states.BufferType;
 import speiger.src.coreengine.graphics.api.mesh.Mesh;
 import speiger.src.coreengine.graphics.api.sampler.Sampler;
 import speiger.src.coreengine.graphics.api.sampler.SamplerSettings;
+import speiger.src.coreengine.graphics.api.shader.ShaderPipeline;
 import speiger.src.coreengine.graphics.api.texture.Texture;
 import speiger.src.coreengine.graphics.api.texture.TextureSettings;
 import speiger.src.coreengine.graphics.api.utils.ExecutionType;
 import speiger.src.coreengine.rendering.input.window.Window;
 
 public interface GraphicsDevice {
-	public Window getWindow();
+	Window window();
-	public GraphicsSurface createSurface();
+	GraphicsSurface createSurface();
-	public GraphicsCommandBuffer createCommandBuffer(ExecutionType type);
+	GraphicsCommandBuffer createCommandBuffer(ExecutionType type);
-	public GraphicsCommandQueue getQueue();
+	GraphicsCommandQueue queue();
-	public VertexBuffer createBuffer(BufferType type, BufferState state);
+	VertexBuffer createBuffer(BufferType type, BufferState state);
-	public VertexBuffer createBuffer(BufferType type, BufferState state, int allocatedBytes);
+	VertexBuffer createBuffer(BufferType type, BufferState state, int allocatedBytes);
-	public Texture createTexture(TextureSettings data, int width, int height);
+	Texture createTexture(TextureSettings data, int width, int height);
-	public Sampler createSampler(SamplerSettings settings);
+	Sampler createSampler(SamplerSettings settings);
-	public Mesh createMesh(Mesh.Builder builder);
+	Mesh createMesh(Mesh.Builder builder);
+	void preloadPipelines(List<ShaderPipeline> pipelines);
 }

src/graphics/java/speiger/src/coreengine/graphics/api/sampler/SamplerSettings.java

@@ -16,6 +16,10 @@ public record SamplerSettings(BorderMode wrapS, BorderMode wrapT, Optional<Borde
 		Objects.requireNonNull(magSample);
 	}
 	
+	public static Builder builder() {
+		return new Builder();
+	}
+	
 	public static class Builder {
 		BorderMode wrapS;
 		BorderMode wrapT;
@@ -23,6 +27,19 @@ public record SamplerSettings(BorderMode wrapS, BorderMode wrapT, Optional<Borde
 		SampleMode minSample;
 		SampleMode magSample;
 		
+		public Builder wrap(BorderMode mode) {
+			return wrap(mode, false);
+		}
+		
+		public Builder wrap(BorderMode mode, boolean includeR) {
+			wrapS = Objects.requireNonNull(mode);
+			wrapT = Objects.requireNonNull(mode);
+			if(includeR) {
+				wrapR = Objects.requireNonNull(mode);
+			}
+			return this;
+		}
+		
 		public Builder wrapS(BorderMode mode) {
 			wrapS = Objects.requireNonNull(mode);
 			return this;
@@ -38,6 +55,13 @@ public record SamplerSettings(BorderMode wrapS, BorderMode wrapT, Optional<Borde
 			return this;
 		}
 		
+		public Builder sampler(SampleMode mode) {
+			minSample = Objects.requireNonNull(mode);
+			if(mode != SampleMode.LINEAR && mode != SampleMode.NEAREST) throw new IllegalArgumentException("["+mode+"] is not supported in mag filter");
+			magSample = Objects.requireNonNull(mode);
+			return this;
+		}
+		
 		public Builder minSample(SampleMode mode) {
 			minSample = Objects.requireNonNull(mode);
 			return this;

src/graphics/java/speiger/src/coreengine/graphics/api/shader/DepthTarget.java

@@ -4,8 +4,8 @@ import java.util.Objects;
 
 import speiger.src.coreengine.graphics.api.utils.AlphaFunction;
 
-public record DepthTarget(AlphaFunction function, boolean write) {
+public record DepthTarget(boolean enabled, AlphaFunction function, boolean write) {
-	public static final DepthTarget DEFAULT = new DepthTarget(AlphaFunction.GEQUAL, true);
+	public static final DepthTarget DEFAULT = new DepthTarget(true, AlphaFunction.GEQUAL, true);
 	
 	public DepthTarget {
 		Objects.requireNonNull(function);

src/graphics/java/speiger/src/coreengine/graphics/api/shader/RenderPass.java

@@ -1,51 +0,0 @@
-package speiger.src.coreengine.graphics.api.shader;
-
-import speiger.src.coreengine.graphics.api.buffer.VertexBuffer;
-import speiger.src.coreengine.graphics.api.buffer.states.IndeciesType;
-import speiger.src.coreengine.graphics.api.core.GraphicsCommandQueue.DrawArea;
-import speiger.src.coreengine.graphics.api.sampler.Sampler;
-import speiger.src.coreengine.graphics.api.texture.Texture;
-import speiger.src.coreengine.graphics.api.utils.ScissorsManager;
-
-public abstract class RenderPass implements AutoCloseable {
-	protected final DrawArea area;
-	protected final boolean hasColor;
-	protected final boolean hasDepth;
-	protected final ScissorsManager scissors = new ScissorsManager(16);
-	
-	public RenderPass(DrawArea area, boolean hasColor, boolean hasDepth) {
-		this.area = area;
-		this.hasColor = hasColor;
-		this.hasDepth = hasDepth;
-	}
-	
-	public void pushScissors(int x, int y, int width, int height) {
-		if(area != null && area.fits(x, y, width, height)) {
-			//TODO implement logging
-			return;
-		}
-		scissors.push(x, y, width, height);
-	}
-	
-	public void popScissors() {
-		scissors.pop();
-	}
-	
-	public abstract void setShader(ShaderPipeline pipeline);
-	public abstract void setTexture(String name, Texture texture, Sampler sampler);
-	public abstract void clearTextures();
-	public abstract void removeTexture(String name);
-	public abstract void setUniform(String name, VertexBuffer buffer);
-	public abstract void setIndecies(VertexBuffer buffer, IndeciesType type);
-	public abstract void clearIndecies();
-	public abstract void setVertexBuffer(int index, VertexBuffer buffer);
-	
-	public DrawArea area() { return area; }
-	public boolean hasDepth() { return hasDepth; }
-	public boolean hasColor() { return hasColor; }
-	
-	@Override
-	public abstract void close();
-	
-	
-}

src/graphics/java/speiger/src/coreengine/graphics/api/shader/ShaderPipeline.java

@@ -69,13 +69,13 @@ public record ShaderPipeline(ID id, Map<ShaderType, ID> shaders, List<VertexBind
 			return this;
 		}
 		
-		public Builder withUniform(String name, int binding, int set, int bytes) {
+		public Builder withUniform(String name, int binding, int slot, int bytes) {
-			uniforms.add(new UniformBinding(name, binding, set, bytes));
+			uniforms.add(new UniformBinding(name, binding, slot, bytes));
 			return this;
 		}
 		
-		public Builder withTexture(String name, int binding, int set, TextureType type) {
+		public Builder withTexture(String name, int binding, int slot, TextureType type) {
-			textures.add(new TextureBinding(name, binding, set, type));
+			textures.add(new TextureBinding(name, binding, slot, type));
 			return this;
 		}
 		

src/graphics/java/speiger/src/coreengine/graphics/api/shader/states/Bindings.java

@@ -5,13 +5,13 @@ import java.util.Objects;
 import speiger.src.coreengine.graphics.api.texture.states.TextureType;
 
 public class Bindings {
-	public record UniformBinding(String name, int binding, int set, int bytes) {
+	public record UniformBinding(String name, int binding, int slot, int bytes) {
 		public UniformBinding {
 			Objects.requireNonNull(name, "A name has to be provided");
 		}
 	}
 	
-	public record TextureBinding(String name, int binding, int set, TextureType type) {
+	public record TextureBinding(String name, int binding, int slot, TextureType type) {
 		public TextureBinding {
 			Objects.requireNonNull(name, "A name has to be provided");
 			Objects.requireNonNull(type, "A TextureType has to be provided");

src/graphics/java/speiger/src/coreengine/graphics/api/shader/states/BlendFunction.java

@@ -1,6 +1,7 @@
 package speiger.src.coreengine.graphics.api.shader.states;
 
 public record BlendFunction(BlendFactor colorSource, BlendFactor alphaSource, BlendFactor colorTarget, BlendFactor alphaTarget) {
+	public static final BlendFunction DEFAULT = new BlendFunction(BlendFactor.ONE, BlendFactor.ZERO);
 	public BlendFunction(BlendFactor source, BlendFactor target) {
 		this(source, BlendFactor.ONE, target, BlendFactor.ZERO);
 	}

src/graphics/java/speiger/src/coreengine/graphics/api/target/TextureTarget.java

@@ -1,10 +1,10 @@
 package speiger.src.coreengine.graphics.api.target;
 
-import speiger.src.coreengine.assets.AssetLocation;
+import speiger.src.coreengine.assets.api.ID;
 import speiger.src.coreengine.graphics.api.texture.Texture;
 import speiger.src.coreengine.graphics.api.texture.states.TextureType;
 
-public record TextureTarget(AssetLocation id, Texture color, Texture depth) implements RenderTarget {
+public record TextureTarget(ID id, Texture color, Texture depth) implements RenderTarget {
 	public TextureTarget {
 		if(color == null && depth == null) throw new IllegalArgumentException("At least either texture has to be nonNull");
 		if(color != null && depth != null) {

src/graphics/java/speiger/src/coreengine/graphics/api/texture/TextureSettings.java

@@ -10,12 +10,11 @@ import speiger.src.coreengine.graphics.api.texture.states.SwizzleMask;
 import speiger.src.coreengine.graphics.api.texture.states.TextureFormat;
 import speiger.src.coreengine.graphics.api.texture.states.TextureType;
 
-public record TextureSettings(TextureType type, TextureFormat internal, TextureFormat external, boolean generateMipmapping, OptionalInt baseLevel, OptionalInt maxLevel, ImmutableObjectList<Optional<SwizzleMask>> swizzle, Optional<StencilType> stencilType) {
+public record TextureSettings(TextureType type, TextureFormat internal, boolean generateMipmapping, OptionalInt baseLevel, OptionalInt maxLevel, ImmutableObjectList<Optional<SwizzleMask>> swizzle, Optional<StencilType> stencilType) {
 	
 	public TextureSettings {
 		Objects.requireNonNull(type, "Texture Type shouldn't be null"); 
 		Objects.requireNonNull(internal, "Internal Format shouldn't be null"); 
-		Objects.requireNonNull(external, "External Format shouldn't be null");
 		Objects.requireNonNull(baseLevel);
 		Objects.requireNonNull(maxLevel);
 		Objects.requireNonNull(swizzle);
@@ -33,9 +32,8 @@ public record TextureSettings(TextureType type, TextureFormat internal, TextureF
 	}
 	
 	public static class Builder {
-		TextureFormat internalFormat;
+		TextureFormat internalFormat = TextureFormat.RGBA;
-		TextureFormat externalFormat;
+		TextureType type = TextureType.TEXTURE_2D;
-		TextureType type;
 		boolean generateMipmapping = false;
 		OptionalInt baseLevel = OptionalInt.empty();
 		OptionalInt maxLevel = OptionalInt.empty();
@@ -47,7 +45,6 @@ public record TextureSettings(TextureType type, TextureFormat internal, TextureF
 		private Builder(TextureSettings settings) {
 			type = settings.type;
 			internalFormat = settings.internal;
-			externalFormat = settings.external;
 			generateMipmapping = settings.generateMipmapping;
 			baseLevel = settings.baseLevel;
 			maxLevel = settings.maxLevel;
@@ -59,7 +56,6 @@ public record TextureSettings(TextureType type, TextureFormat internal, TextureF
 			return new TextureSettings(
 					Objects.requireNonNull(type, "Texture Type shouldn't be null"), 
 					Objects.requireNonNull(internalFormat, "Internal Format shouldn't be null"),  
-					Objects.requireNonNull(externalFormat, "External Format shouldn't be null"), 
 					generateMipmapping, baseLevel, maxLevel, new ImmutableObjectList<>(swizzle), stencilType);
 		}
 		
@@ -70,7 +66,6 @@ public record TextureSettings(TextureType type, TextureFormat internal, TextureF
 		
 		public Builder format(TextureFormat format) {
 			this.internalFormat = format;
-			this.externalFormat = format;
 			return this;
 		}
 		
@@ -79,11 +74,6 @@ public record TextureSettings(TextureType type, TextureFormat internal, TextureF
 			return this;
 		}
 		
-		public Builder external(TextureFormat format) {
-			this.externalFormat = format;
-			return this;
-		}
-		
 		public Builder swizzle(SwizzleMask red, SwizzleMask green, SwizzleMask blue, SwizzleMask alpha) {
 			swizzle[0] = Optional.ofNullable(red);
 			swizzle[1] = Optional.ofNullable(green);

src/graphics/java/speiger/src/coreengine/graphics/api/texture/states/TextureFormat.java

@@ -1,11 +1,22 @@
 package speiger.src.coreengine.graphics.api.texture.states;
 
 public enum TextureFormat {
-	R,
+	R(1),
-	RGB,
+	RG(2),
-	RGBA,
+	RGB(3),
-	DEPTH,
+	RGBA(4),
-	DEPTH_STENCIL,
+	DEPTH(1),
-	LUMINANCE,
+	DEPTH_STENCIL(2),
-	LUMINANCE_ALPHA
+	LUMINANCE(1),
+	LUMINANCE_ALPHA(2);
+	
+	int components;
+
+	private TextureFormat(int components) {
+		this.components = components;
+	}
+	
+	public int components() {
+		return components; 
+	}
 }

src/graphics/java/speiger/src/coreengine/graphics/api/utils/ScissorsManager.java

@@ -1,18 +1,29 @@
 package speiger.src.coreengine.graphics.api.utils;
 
-import org.lwjgl.opengl.GL11;
+import java.util.Objects;
 
 import speiger.src.collections.objects.lists.ObjectArrayList;
 import speiger.src.collections.utils.Stack;
 import speiger.src.coreengine.math.vector.ints.Vec4i;
 
 public class ScissorsManager {
+	IScissorsHandler handler;
 	Stack<Vec4i> stack = new ObjectArrayList<>();
+	boolean withRoot = false;
 	int limit;
 	
-	public ScissorsManager(int limit) {
+	public ScissorsManager(int limit, IScissorsHandler handler) {
 		if(limit <= 0) throw new IllegalStateException("Limit is negative");
 		this.limit = limit;
+		this.handler = Objects.requireNonNull(handler, "Handler is required");
+	}
+	
+	public void setRoot(int x, int y, int width, int height) {
+		if(stack.size() > 0) throw new IllegalStateException("A Root can't be set if the Stack is already in use or the root is already set");
+		withRoot = true;
+		stack.push(Vec4i.of(x, y, x + width, y + height));
+		handler.enable();
+		handler.apply(x, y, width, height);
 	}
 	
 	public void push(int x, int y, int width, int height) {
@@ -22,12 +33,18 @@ public class ScissorsManager {
 		}
 		if(stack.isEmpty()) {
 			stack.push(Vec4i.of(x, y, x + width, y + height));
-			GL11.glEnable(GL11.GL_SCISSOR_TEST);
+			handler.enable();
-			GL11.glScissor(x, y, width, height);
+			handler.apply(x, y, width, height);
 			return;
 		}
 		Vec4i top = stack.top();
-		stack.push(Vec4i.of(Math.max(x, top.x()), Math.max(y, top.y()), Math.min(x + width, top.z()), Math.min(y + height, top.w())));
+		Vec4i result = Vec4i.of(Math.max(x, top.x()), Math.max(y, top.y()), Math.min(x + width, top.z()), Math.min(y + height, top.w()));
+		stack.push(result);
+		handler.apply(result.x(), result.y(), result.z() - result.x(), result.w() - result.y());
+	}
+	
+	public Vec4i top() { 
+		return stack.isEmpty() ? Vec4i.MINUS_ONE : stack.top();
 	}
 	
 	public boolean contains(int x, int y, int width, int height) {
@@ -39,14 +56,39 @@ public class ScissorsManager {
 	}
 	
 	public void pop() {
-		if(stack.isEmpty()) {
+		if(stack.size() <= (withRoot ? 1 : 0)) {
 			//TODO implement logging
 			return;
 		}
 		stack.pop();
+		if(stack.isEmpty()) {
+			handler.disable();
+			return;
+		}
+		Vec4i result = stack.top();
+		handler.apply(result.x(), result.y(), result.z() - result.x(), result.w() - result.y());
 	}
 	
 	public void clear() {
 		stack.clear();
+		withRoot = false;
+		handler.disable();
+	}
+	
+	public static interface IScissorsHandler {
+		public void enable();
+		public void disable();
+		public void apply(int x, int y, int width, int height);
+	}
+	
+	public static class NoOp implements IScissorsHandler {
+		public static final IScissorsHandler INSTANCE = new NoOp();
+		@Override
+		public void enable() {}
+		@Override
+		public void disable() {}
+		@Override
+		public void apply(int x, int y, int width, int height) {}
+		
 	}
 }

src/graphics/java/speiger/src/coreengine/graphics/api/vertex/VertexLayout.java

@@ -40,7 +40,7 @@ public class VertexLayout implements ObjectIterable<Element> {
 	private void add(Element element) {
 		if(mapped.put(element.name(), element) != null) throw new IllegalStateException("Duplicated Names are not allowed");
 		elements.add(element);
-		offsets.add(stride);
+		offsets.add(bytes);
 		int size = element.size();
 		stride += size;
 		bytes += element.type().size(size);

src/graphics/java/speiger/src/coreengine/graphics/opengl/buffer/GLVertexBuffer.java

@@ -29,6 +29,7 @@ public class GLVertexBuffer extends VertexBuffer {
 	}
 	
 	public int id() {
+		if(id == 0) throw new IllegalStateException("Buffer is already removed");
 		return id;
 	}
 	

src/graphics/java/speiger/src/coreengine/graphics/opengl/core/GLCommandQueue.java

@@ -7,17 +7,24 @@ import org.lwjgl.opengl.GL11;
 import org.lwjgl.opengl.GL30;
 import org.lwjgl.opengl.GL45;
 
-import speiger.src.coreengine.assets.AssetLocation;
+import speiger.src.coreengine.assets.api.ID;
 import speiger.src.coreengine.graphics.api.core.GraphicsCommandBuffer;
 import speiger.src.coreengine.graphics.api.core.GraphicsCommandQueue;
+import speiger.src.coreengine.graphics.api.shader.states.GraphicsDataType;
 import speiger.src.coreengine.graphics.api.target.RenderTarget;
 import speiger.src.coreengine.graphics.api.target.ScreenTarget;
 import speiger.src.coreengine.graphics.api.target.TextureTarget;
 import speiger.src.coreengine.graphics.api.texture.Texture;
+import speiger.src.coreengine.graphics.api.texture.states.TextureFormat;
 import speiger.src.coreengine.graphics.api.utils.PushableResource;
 import speiger.src.coreengine.graphics.opengl.texture.FrameBufferCache;
 import speiger.src.coreengine.graphics.opengl.texture.GLTexture;
+import speiger.src.coreengine.graphics.opengl.utils.GLStates;
+import speiger.src.coreengine.graphics.opengl.utils.GLUtils;
+import speiger.src.coreengine.graphics.opengl.utils.ViewPortStack;
+import speiger.src.coreengine.graphics.opengl.utils.states.ScissorState;
 import speiger.src.coreengine.math.vector.floats.Vec4f;
+import speiger.src.coreengine.math.vector.ints.Vec4i;
 import speiger.src.coreengine.rendering.input.window.Window;
 
 public class GLCommandQueue implements GraphicsCommandQueue {
@@ -25,12 +32,14 @@ public class GLCommandQueue implements GraphicsCommandQueue {
 	FrameBufferCache fboCache = new FrameBufferCache();
 	RenderTarget renderTarget = ScreenTarget.INSTANCE;
 	ScreenBuffer targetFBO;
+	int tempWriteFBO;
 	Vec4f clearColor = Vec4f.mutable(0F, 0F, 0F, 1F);
 	double clearDepth = 0D;
 	
 	public GLCommandQueue(GLGraphicsDevice device) {
 		this.device = device;
-		this.targetFBO = new ScreenBuffer(0, device.getWindow().width(), device.getWindow().height());
+		this.targetFBO = new ScreenBuffer(0, device.window().width(), device.window().height());
+		tempWriteFBO = GL45.glCreateFramebuffers();
 	}
 	
 	@Override
@@ -48,6 +57,22 @@ public class GLCommandQueue implements GraphicsCommandQueue {
 		return new PushableObject<>(renderTarget, setRenderTarget(target), () -> renderTarget, this::setRenderTarget);
 	}
 	
+	@Override
+	public PushableResource pushViewPort(int x, int y, int width, int height) {
+		ViewPortStack stack = device.states.viewPort;
+		Vec4i top = stack.top();
+		Vec4i bounds = Vec4i.of(x, y, height, width);
+		stack.push(x, y, width, height);
+		return new PushableObject<>(top, bounds, stack::top, _ -> stack.pop());
+	}
+	
+	@Override
+	public void submitCommands(GraphicsCommandBuffer buffer) {
+		if(buffer instanceof GLRecordingCommandBuffer recorder) {
+			recorder.execute();
+		}
+	}
+	
 	private Vec4f setClearColor(Vec4f value) {
 		if(clearColor.equals(value)) return value;
 		clearColor.set(value);
@@ -67,10 +92,10 @@ public class GLCommandQueue implements GraphicsCommandQueue {
 		this.renderTarget = target;
 		targetFBO = switch(target) {
 			case ScreenTarget _ -> {
-				Window window = device.getWindow();
+				Window window = device.window();
 				yield new ScreenBuffer(0, window.width(), window.height());
 			}
-			case TextureTarget(AssetLocation id, Texture color, Texture depth) -> {
+			case TextureTarget(ID id, Texture color, Texture depth) -> {
 				int fbo = fboCache.getOrCreateFBO(id);
 				if(color != null) {
 					GL45.glNamedFramebufferTexture(fbo, GL30.GL_COLOR_ATTACHMENT0, ((GLTexture)color).id(), 0);
@@ -90,26 +115,61 @@ public class GLCommandQueue implements GraphicsCommandQueue {
 	
 	@Override
 	public void clearTexture(int clearParam) {
+		GL11.glClear(((clearParam & CLEAR_COLOR) != 0 ? GL11.GL_COLOR_BUFFER_BIT : 0) | ((clearParam & CLEAR_DEPTH) != 0 ? GL11.GL_DEPTH_BUFFER_BIT : 0));
 	}
 	
 	@Override
 	public void clearTexture(int x, int y, int width, int height, int clearParam) {
+		ScissorState state = device.states.scissors;
+		state.backup();
+		try(PushableResource _ = pushViewPort(0, 0, targetFBO.width(), targetFBO.height())) {
+			state.set(Vec4i.of(x, y, x + width, y + height));
+			clearTexture(clearParam);
+		}
+		state.restore();
 	}
 	
 	@Override
 	public void clearTexture(Texture texture, int clearParam) {
+		if((clearParam & CLEAR_BOTH) == CLEAR_BOTH) {
+			//TODO implement Logging
+			return;
+		}
+		GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, tempWriteFBO);
+		GL45.glNamedFramebufferTexture(tempWriteFBO, GL30.GL_COLOR_ATTACHMENT0, ((GLTexture)texture).id(), 0);
+		clearTexture(clearParam);
+		GL45.glNamedFramebufferTexture(tempWriteFBO, GL30.GL_COLOR_ATTACHMENT0, 0, 0);
+		GL30.glBindFramebuffer(GL30.GL_DRAW_FRAMEBUFFER, targetFBO.fbo());
 	}
 	
 	@Override
 	public void clearTexture(Texture texture, int x, int y, int width, int height, int clearParam) {
+		ScissorState state = device.states.scissors;
+		state.backup();
+		try(PushableResource _ = pushViewPort(x, y, texture.width(), texture.height())) {
+			state.set(Vec4i.of(x, y, x + width, y + height));
+			clearTexture(texture, clearParam);
+		}
+		state.restore();
 	}
 	
 	@Override
-	public void writeToTexture(Texture target, int x, int y, int width, int height, long source) {
+	public void writeToTexture(Texture target, TextureFormat format, GraphicsDataType dataType, long source) {
+		GL45.glTextureSubImage2D(((GLTexture)target).id(), 0, 0, 0, target.width(), target.height(), GLUtils.toGLExternal(format), GLUtils.toGL(dataType), source);
 	}
 	
 	@Override
-	public void readFromTexture(Texture source, int x, int y, int width, int height, long target) {
+	public void writeToTexture(Texture target, int sourceX, int sourceY, int targetX, int targetY, int width, int height, TextureFormat format, GraphicsDataType dataType, long source) {
+		GLStates states = device.states;
+		states.unpack_alignment.set(target.settings().internal().components());
+		states.unpack_row_length.set(target.width());
+		states.unpack_skip_pixel.set(sourceX);
+		states.unpack_skip_rows.set(sourceY);
+		GL45.glTextureSubImage2D(((GLTexture)target).id(), 0, targetX, targetY, width, height, GLUtils.toGLExternal(format), GLUtils.toGL(dataType), source);
+		states.unpack_alignment.setDefault();
+		states.unpack_row_length.setDefault();
+		states.unpack_skip_pixel.setDefault();
+		states.unpack_skip_rows.setDefault();
 	}
 	
 	private record PushableObject<T>(T original, T applying, Supplier<T> current, Consumer<T> apply) implements PushableResource {
@@ -122,9 +182,4 @@ public class GLCommandQueue implements GraphicsCommandQueue {
 	}
 	
 	private record ScreenBuffer(int fbo, int width, int height) {}
-
-	@Override
-	public void submitCommands(GraphicsCommandBuffer buffer) {
-		
-	}
 }

src/graphics/java/speiger/src/coreengine/graphics/opengl/core/GLGraphics.java

@@ -1,11 +1,18 @@
 package speiger.src.coreengine.graphics.opengl.core;
 
 import org.lwjgl.glfw.GLFW;
+import org.lwjgl.opengl.GL;
 
+import speiger.src.coreengine.assets.manager.AssetManager;
 import speiger.src.coreengine.graphics.api.core.Graphics;
 import speiger.src.coreengine.rendering.input.window.Window;
 
 public class GLGraphics implements Graphics {
+	AssetManager manager;
+	
+	public GLGraphics(AssetManager manager) {
+		this.manager = manager;
+	}
 
 	@Override
 	public String getName() {
@@ -14,6 +21,9 @@ public class GLGraphics implements Graphics {
 	
 	@Override
 	public void setupWindowArguments() {
+		GLFW.glfwDefaultWindowHints();
+		GLFW.glfwWindowHint(GLFW.GLFW_VISIBLE, GLFW.GLFW_FALSE);
+		
 		GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MAJOR, 4);
 		GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MINOR, 0);
 		GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_PROFILE, GLFW.GLFW_OPENGL_CORE_PROFILE);
@@ -22,7 +32,7 @@ public class GLGraphics implements Graphics {
 	
 	@Override
 	public GLGraphicsDevice createDevice(Window window) {
-		return new GLGraphicsDevice(window);
+		return new GLGraphicsDevice(window, manager, GL.createCapabilities());
 	}
 	
 }

src/graphics/java/speiger/src/coreengine/graphics/opengl/core/GLGraphicsDevice.java

@@ -1,19 +1,41 @@
 package speiger.src.coreengine.graphics.opengl.core;
 
+import java.nio.ByteBuffer;
 import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.OptionalInt;
+import java.util.function.IntPredicate;
 
+import org.lwjgl.opengl.GL11;
 import org.lwjgl.opengl.GL12;
+import org.lwjgl.opengl.GL20;
+import org.lwjgl.opengl.GL31;
 import org.lwjgl.opengl.GL33;
+import org.lwjgl.opengl.GL41;
 import org.lwjgl.opengl.GL43;
 import org.lwjgl.opengl.GL45;
+import org.lwjgl.opengl.GL46;
+import org.lwjgl.opengl.GLCapabilities;
+import org.lwjgl.system.MemoryUtil;
 
+import speiger.src.collections.ints.lists.IntArrayList;
+import speiger.src.collections.ints.lists.IntList;
 import speiger.src.collections.ints.maps.impl.hash.Int2ObjectLinkedOpenHashMap;
 import speiger.src.collections.ints.maps.impl.hash.Int2ObjectOpenHashMap;
 import speiger.src.collections.ints.maps.interfaces.Int2ObjectMap;
+import speiger.src.collections.objects.maps.impl.hash.Object2IntOpenHashMap;
+import speiger.src.collections.objects.maps.impl.hash.Object2ObjectOpenHashMap;
+import speiger.src.collections.objects.maps.interfaces.Object2IntMap;
+import speiger.src.collections.objects.maps.interfaces.Object2ObjectMap;
+import speiger.src.collections.objects.utils.ObjectIterables;
+import speiger.src.coreengine.assets.api.IAsset;
 import speiger.src.coreengine.assets.api.IAssetProvider;
+import speiger.src.coreengine.assets.api.ID;
+import speiger.src.coreengine.assets.api.MultiAsset;
+import speiger.src.coreengine.assets.manager.AssetManager;
 import speiger.src.coreengine.graphics.api.buffer.VertexBuffer;
 import speiger.src.coreengine.graphics.api.buffer.states.BufferState;
 import speiger.src.coreengine.graphics.api.buffer.states.BufferType;
@@ -22,30 +44,50 @@ import speiger.src.coreengine.graphics.api.core.GraphicsDevice;
 import speiger.src.coreengine.graphics.api.mesh.Mesh;
 import speiger.src.coreengine.graphics.api.mesh.Mesh.LayoutInfo;
 import speiger.src.coreengine.graphics.api.sampler.SamplerSettings;
+import speiger.src.coreengine.graphics.api.shader.BufferAttribute;
 import speiger.src.coreengine.graphics.api.shader.ShaderPipeline;
+import speiger.src.coreengine.graphics.api.shader.VertexBinding;
+import speiger.src.coreengine.graphics.api.shader.states.Bindings.TextureBinding;
+import speiger.src.coreengine.graphics.api.shader.states.Bindings.UniformBinding;
+import speiger.src.coreengine.graphics.api.shader.states.ShaderType;
 import speiger.src.coreengine.graphics.api.texture.TextureSettings;
 import speiger.src.coreengine.graphics.api.texture.states.SwizzleMask;
+import speiger.src.coreengine.graphics.api.texture.states.TextureType;
 import speiger.src.coreengine.graphics.api.utils.ExecutionType;
 import speiger.src.coreengine.graphics.opengl.buffer.GLVertexBuffer;
 import speiger.src.coreengine.graphics.opengl.mesh.GLMesh;
 import speiger.src.coreengine.graphics.opengl.sampler.GLSampler;
+import speiger.src.coreengine.graphics.opengl.shader.ShaderCache;
 import speiger.src.coreengine.graphics.opengl.shader.ShaderInstance;
+import speiger.src.coreengine.graphics.opengl.shader.ShaderInstance.SamplerObject;
+import speiger.src.coreengine.graphics.opengl.shader.ShaderInstance.ShaderStorage;
+import speiger.src.coreengine.graphics.opengl.shader.ShaderInstance.UniformObject;
 import speiger.src.coreengine.graphics.opengl.texture.GLTexture;
 import speiger.src.coreengine.graphics.opengl.utils.GLFunctions;
+import speiger.src.coreengine.graphics.opengl.utils.GLStates;
 import speiger.src.coreengine.graphics.opengl.utils.GLUtils;
 import speiger.src.coreengine.rendering.input.window.Window;
 
 public class GLGraphicsDevice implements GraphicsDevice {
+	static final Map<ID, String> IMPORTS = Object2ObjectMap.builder().<ID, String>map().synchronize();
+	Object2IntMap<ID> shaderCache = new Object2IntOpenHashMap<>();
+	Object2ObjectMap<ID, ShaderInstance> programCache = new Object2ObjectOpenHashMap<>();
+	AssetManager manager;
+	GLCapabilities capabilities;
+	GLStates states = new GLStates();
+	ShaderCache cache = new ShaderCache();
 	GLCommandQueue queue;
 	Window owner;
 	
-	public GLGraphicsDevice(Window owner) {
+	public GLGraphicsDevice(Window owner, AssetManager manager, GLCapabilities capbilities) {
 		this.owner = owner;
+		this.manager = manager;
+		this.capabilities = capbilities;
 		this.queue = new GLCommandQueue(this);
 	}
 	
 	@Override
-	public Window getWindow() {
+	public Window window() {
 		return owner;
 	}
 	
@@ -56,11 +98,11 @@ public class GLGraphicsDevice implements GraphicsDevice {
 	
 	@Override
 	public GraphicsCommandBuffer createCommandBuffer(ExecutionType type) {
-		return null;
+		return type == ExecutionType.IMMEDIATE ? new GLImmidateCommandBuffer(this) : new GLRecordingCommandBuffer(this);
 	}
 
 	@Override
-	public GLCommandQueue getQueue() {
+	public GLCommandQueue queue() {
 		return queue;
 	}
 	
@@ -79,6 +121,7 @@ public class GLGraphicsDevice implements GraphicsDevice {
 	public GLTexture createTexture(TextureSettings settings, int width, int height) {
 		if(width < 0) throw new IllegalArgumentException("Width ["+width+"] is invalid");
 		if(height < 0) throw new IllegalArgumentException("Height ["+height+"] is invalid");
+		if(settings.type() != TextureType.TEXTURE_2D) throw new IllegalStateException("Currently only 2D textures are supported");
 		int id = GLFunctions.createTexture(settings.type());
 		settings.stencilType().ifPresent(T -> GL45.glTextureParameteri(id, GL43.GL_DEPTH_STENCIL_TEXTURE_MODE, GLUtils.toGL(T)));
 		settings.baseLevel().ifPresent(T -> GL45.glTextureParameteri(id, GL12.GL_TEXTURE_BASE_LEVEL, T));
@@ -92,6 +135,7 @@ public class GLGraphicsDevice implements GraphicsDevice {
 					GLUtils.toGL(masks.get(3).orElse(SwizzleMask.ALPHA)),
 			});
 		}
+		GL45.glTextureStorage2D(id, 1, GLUtils.toGLInternal(settings.internal()), width, height);
 		return new GLTexture(settings, id, width, height);
 	}
 	
@@ -116,7 +160,162 @@ public class GLGraphicsDevice implements GraphicsDevice {
 		return new GLMesh(builder.info(), new Int2ObjectOpenHashMap<>(), null, null, false);
 	}
 	
-	public ShaderInstance createShader(ShaderPipeline line, IAssetProvider provider) {
+	@Override
+	public void preloadPipelines(List<ShaderPipeline> pipelines) {
+		try(IAssetProvider provider = manager.get()) {
+			for(ShaderPipeline pipeline : pipelines) {
+				computeShaderProgram(pipeline, provider);
+			}
+		}
+		catch(Exception e) {
+			e.printStackTrace();
+		}
+	}
+	
+	public ShaderInstance getShader(ShaderPipeline pipeline) {
+		return programCache.supplyIfAbsent(pipeline.id(), () -> computeShaderProgram(pipeline));
+	}
+	
+	private ShaderInstance computeShaderProgram(ShaderPipeline pipeline) {
+		try(IAssetProvider provider = manager.get()) {
+			return computeShaderProgram(pipeline, provider);			
+		}
+		catch(Exception e) {
+			e.printStackTrace();
 			return null;
 		}
+	}
+	
+	private ShaderInstance computeShaderProgram(ShaderPipeline pipeline, IAssetProvider provider) {
+		MultiAsset assets = MultiAsset.combineNonNull(provider, pipeline.shaders().values().toArray(ID[]::new));
+		if(assets == null) {
+			//TODO log stuff
+			return null;
+		}
+		int program = loadOrCreateProgram(pipeline, assets, T -> {
+			Map<ID, IAsset> map = Object2ObjectMap.builder().map();
+			assets.forEach(map, (K, V) -> K.put(V.location(), V));
+			IntList shaders = new IntArrayList();
+			for(Entry<ShaderType, ID> entry : pipeline.shaders().entrySet()) {
+				ShaderType type = entry.getKey();
+				IAsset asset = map.get(entry.getValue());
+				int id = shaderCache.computeIfAbsent(entry.getValue(), E -> computeShader(E, asset, type, provider));
+				if(id == -1) {
+					System.out.println("Couldn't create a shader. Type["+type+"], of Id["+asset.location()+"]");
+					//TODO implement logging.
+					//Failed to compile shader
+					return false;
+				}
+				GL20.glAttachShader(T, id);
+			}
+			for(BufferAttribute attribute : ObjectIterables.flatMap(pipeline.attributes(), VertexBinding::attributes)) {
+				GL20.glBindAttribLocation(T, attribute.index(), attribute.name());
+			}
+			GL20.glLinkProgram(T);
+			for(int i = 0,m=shaders.size();i<m;i++) {
+				GL20.glDetachShader(T, shaders.getInt(i));
+			}
+			return true;
+		});
+		if(program == 0) return null;
+		ShaderStorage<UniformObject> uniforms = new ShaderStorage<>();
+		ShaderStorage<SamplerObject> samplers = new ShaderStorage<>();
+		for(TextureBinding binding : pipeline.textures()) {
+			int location = GL20.glGetUniformLocation(program, binding.name());
+			if(location == -1) {
+				System.out.println("Couldn't find Location ["+binding.name()+"] in Program ["+program+"]");
+				//TODO Warn that location wasn't found
+				continue;
+			}
+			samplers.add(binding.name(), binding.slot(), new SamplerObject(binding.slot()));
+		}
+		for(UniformBinding binding : pipeline.uniforms()) {
+			int location = GL31.glGetUniformBlockIndex(program, binding.name());
+			if(location == GL31.GL_INVALID_INDEX) {
+				System.out.println("Couldn't find Location ["+binding.name()+"] in Program ["+program+"]");
+
+				//TODO Warn that location wasn't found
+				continue;
+			}
+			uniforms.add(binding.name(), binding.slot(), new UniformObject(binding.slot()));
+		}
+		ShaderInstance instance = new ShaderInstance(program, uniforms, samplers);
+		states.shaders.register(instance);
+		return instance;
+	}
+	
+	private int computeShader(ID id, IAsset asset, ShaderType type, IAssetProvider provider) {
+		StringBuilder builder = new StringBuilder(2048);
+		try {
+			for(String line : asset.lines()) {
+				if(line.startsWith("//")) continue;
+				if(line.startsWith("#import<") && line.endsWith(">")) builder.append(importLines(provider, ID.of(line.substring(8, line.length()-1))));
+				else builder.append(line);
+				builder.append("\n");
+			};
+		}
+		catch(Exception e) {
+			e.printStackTrace();
+			return -1;
+		}
+		int shader = GL20.glCreateShader(GLUtils.toGL(type));
+		GL20.glShaderSource(shader, builder);
+		GL20.glCompileShader(shader);
+		if(GL20.glGetShaderi(shader, GL20.GL_COMPILE_STATUS) == 0) {
+			//TODO improve logging
+			System.out.println(GL20.glGetShaderInfoLog(shader, GL20.glGetShaderi(shader, GL20.GL_INFO_LOG_LENGTH)));
+			GL20.glDeleteShader(shader);
+			return -1;
+		}
+		return shader;
+	}
+	
+	private int loadOrCreateProgram(ShaderPipeline pipeline, MultiAsset assets, IntPredicate callback) {
+		int id = GL20.glCreateProgram();
+		boolean fail = true;
+		if((fail = !loadFromCache(id, pipeline, assets) && callback.test(id))) {
+			if(GL20.glGetProgrami(id, GL20.GL_LINK_STATUS) == GL11.GL_TRUE) {
+				cache.store(pipeline.id(), assets.crc(), getProgramBytes(id));
+				fail = false;
+			}
+		}
+		if(fail) {
+			GL20.glDeleteProgram(id);
+			return 0;
+		}
+		String error = GL20.glGetProgramInfoLog(id);
+		if(!error.isBlank()) {
+			System.out.println("Error: "+error);
+		}
+		return id;
+	}
+	
+	private byte[] getProgramBytes(int programId) {
+		ByteBuffer buffer = MemoryUtil.memAlloc(GL20.glGetProgrami(programId, GL41.GL_PROGRAM_BINARY_LENGTH) + 4);
+		int[] format = new int[1];
+		GL41.glGetProgramBinary(programId, null, format, buffer.position(4));
+		buffer.putInt(0, format[0]).flip();
+		byte[] data = new byte[buffer.remaining()];
+		buffer.get(data);
+		MemoryUtil.memFree(buffer);
+		return data;
+	}
+	
+	private boolean loadFromCache(int programId, ShaderPipeline pipeline, MultiAsset asset) {
+		ByteBuffer data = cache.get(pipeline.id(), asset::crc);
+		if(data == null) return false;
+		GL41.glProgramBinary(programId, data.getInt(), data);
+		MemoryUtil.memFree(data);
+		return GL46.glGetProgrami(programId, GL46.GL_LINK_STATUS) == GL46.GL_TRUE;
+	}
+	
+	public static String importLines(IAssetProvider provider, ID location) {
+		return IMPORTS.computeIfAbsent(location, T -> {
+			try { return ObjectIterables.filter(provider.get(T).lines(), E -> !E.startsWith("//")).reduce(new StringBuilder(), (K, V) -> K.append(V).append("\n")).toString(); }
+			catch(Exception e) {
+				e.printStackTrace();
+				return "";
+			}
+		});
+	}
 }

src/graphics/java/speiger/src/coreengine/graphics/opengl/core/GLImmidateCommandBuffer.java

@@ -1,85 +1,206 @@
 package speiger.src.coreengine.graphics.opengl.core;
 
+import java.util.Objects;
+
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL30;
+import org.lwjgl.opengl.GL31;
+import org.lwjgl.opengl.GL33;
+import org.lwjgl.opengl.GL45;
+
 import speiger.src.coreengine.graphics.api.buffer.VertexBuffer;
 import speiger.src.coreengine.graphics.api.core.GraphicsCommandBuffer;
 import speiger.src.coreengine.graphics.api.mesh.Mesh;
 import speiger.src.coreengine.graphics.api.sampler.Sampler;
+import speiger.src.coreengine.graphics.api.shader.ColorTarget;
+import speiger.src.coreengine.graphics.api.shader.DepthTarget;
+import speiger.src.coreengine.graphics.api.shader.RasterizerState;
 import speiger.src.coreengine.graphics.api.shader.ShaderPipeline;
 import speiger.src.coreengine.graphics.api.texture.Texture;
+import speiger.src.coreengine.graphics.api.utils.ScissorsManager;
+import speiger.src.coreengine.graphics.opengl.buffer.GLVertexBuffer;
+import speiger.src.coreengine.graphics.opengl.mesh.GLMesh;
+import speiger.src.coreengine.graphics.opengl.sampler.GLSampler;
+import speiger.src.coreengine.graphics.opengl.shader.ShaderInstance;
+import speiger.src.coreengine.graphics.opengl.texture.GLTexture;
+import speiger.src.coreengine.graphics.opengl.utils.GLScissorsHandler;
+import speiger.src.coreengine.graphics.opengl.utils.GLStates;
+import speiger.src.coreengine.graphics.opengl.utils.GLUtils;
 
 public class GLImmidateCommandBuffer implements GraphicsCommandBuffer {
+	GLGraphicsDevice device;
+	boolean removed = false;
 	boolean recording = false;
-	ShaderPipeline pipeline;
-	Mesh mesh;
 	int recorded = 0;
 	
+	ScissorsManager scissors;
+	ShaderPipeline pipeline;
+	ShaderInstance shader;
+	GLMesh mesh;
+	
+	public GLImmidateCommandBuffer(GLGraphicsDevice device) {
+		this.device = device;
+		this.scissors = new ScissorsManager(8, new GLScissorsHandler(device.states));
+	}
+
 	protected void ensureDrawing() {
+		if(removed) throw new IllegalStateException("CommandBuffer is removed");		
 		if(!recording) throw new IllegalStateException("CommandBuffer isn't recording");
 	}
 	
 	@Override
-	public boolean isRemoved() { return false; }
+	public boolean isRemoved() { return removed; }
 	@Override
-	public void remove() {}
+	public void remove() {
+		clear();
+		device = null;
+		removed = true;
+		recorded = 0;
+	}
 	
 	@Override
 	public GraphicsCommandBuffer begin() {
+		if(removed) throw new IllegalStateException("CommandBuffer is removed");
 		if(recording) throw new IllegalStateException("CommandBuffer already recording");
 		recording = true;
+		recorded = 0;
 		return this;
 	}
 	
 	@Override
 	public GraphicsCommandBuffer setScissors(int x, int y, int width, int height) {
+		ensureDrawing();
+		scissors.setRoot(x, y, width, height);
 		return this;
 	}
 	
 	@Override
 	public GraphicsCommandBuffer pipeline(ShaderPipeline pipeline) {
+		Objects.requireNonNull(pipeline);
+		ensureDrawing();
+		if(this.pipeline == pipeline) return this;
 		this.pipeline = pipeline;
+		shader = device.getShader(pipeline);
+		if(shader == null) {
+			//TODO implement logging
+			return this;
+		}
+		GLStates states = device.states;
+		states.shaders.bind(shader);
+		RasterizerState rasterization = pipeline.rasterizer();
+		states.polygon.set(rasterization.fillMode());
+		states.backCulling.set(rasterization.cullBack());
+		DepthTarget depth = pipeline.depthTarget();
+		if(depth.enabled()) {
+			states.depth.enable();
+			states.setDepthMask(depth.write());
+			states.setDepthFunction(depth.function());
+		}
+		else states.depth.disable();
+		ColorTarget color = pipeline.colorTarget();
+		color.blend().ifPresentOrElse(states.blend::enableSet, states.blend::disable);
+		states.setColorMask(color.writeMask());
+		recorded++;
 		return this;
 	}
 	
 	@Override
 	public GraphicsCommandBuffer mesh(Mesh mesh) {
-		this.mesh = mesh;
+		Objects.requireNonNull(mesh);
+		ensureDrawing();
+		if(this.mesh == mesh) return this;
+		this.mesh = (GLMesh)mesh;
+		this.mesh.bind();
+//		GL30.glBindVertexArray(this.mesh.id());
+		recorded++;
 		return this;
 	}
 	
 	@Override
-	public GraphicsCommandBuffer texture(int set, int binding, Texture texture, Sampler sampler) {
+	public GraphicsCommandBuffer texture(int binding, Texture texture, Sampler sampler) {
+		Objects.requireNonNull(texture);
+		Objects.requireNonNull(sampler);
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		Objects.requireNonNull(shader.samplers().byIndex(binding), "Texture["+binding+"] binding not found");
+//		GLStates states = device.states;
+		GL45.glBindTextureUnit(binding, ((GLTexture)texture).id());
+		GL33.glBindSampler(binding, ((GLSampler)sampler).id());
+//		states.textures.bind(binding, ((GLTexture)texture).id());
+//		states.samplers.bind(binding, ((GLSampler)sampler).id());
+		recorded++;
 		return this;
 	}
 	
 	@Override
-	public GraphicsCommandBuffer uniform(int set, int binding, VertexBuffer buffer) {
+	public GraphicsCommandBuffer uniform(int binding, VertexBuffer buffer) {
+		Objects.requireNonNull(buffer);
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		Objects.requireNonNull(shader.uniforms().byIndex(binding), "Uniform for binding ["+binding+"] doesn't exist");
+		GL30.glBindBufferBase(GL31.GL_UNIFORM_BUFFER, binding, ((GLVertexBuffer)buffer).id());
+		recorded++;
 		return this;
 	}
 
 	@Override
-	public GraphicsCommandBuffer drawIndexed(int start, int count) {
+	public GraphicsCommandBuffer uniform(int binding, VertexBuffer buffer, long offset, long size) {
+		Objects.requireNonNull(buffer);
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		Objects.requireNonNull(shader.uniforms().byIndex(binding), "Uniform for binding ["+binding+"] doesn't exist");
+		GL30.glBindBufferRange(GL31.GL_UNIFORM_BUFFER, binding, ((GLVertexBuffer)buffer).id(), offset, size);
+		recorded++;
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer drawArrays(int offset, int count) {
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		GL11.glDrawArrays(GLUtils.toGL(pipeline.rasterizer().mode()), offset, count);
+		recorded++;
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer drawElements(int offset, int count) {
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		GL11.nglDrawElements(GLUtils.toGL(pipeline.rasterizer().mode()), count, GLUtils.toGL(mesh.indeciesType()), offset);
+		recorded++;
 		return this;
 	}
 	
 	@Override
 	public GraphicsCommandBuffer pushScissors(int x, int y, int width, int height) {
+		ensureDrawing();
+		scissors.push(x, y, width, height);
 		return this;
 	}
 	
 	@Override
 	public GraphicsCommandBuffer popScissors() {
+		ensureDrawing();
+		scissors.pop();
 		return this;
 	}
 	
 	@Override
 	public GraphicsCommandBuffer end() {
 		if(!recording) throw new IllegalStateException("Already Stopped Recording");
-		pipeline = null;
+		clear();
-		mesh = null;
-		recording = false;
 		return this;
 	}
 	
+	private void clear() {
+		recording = false;
+		pipeline = null;
+		shader = null;
+		mesh = null;
+		scissors.clear();
+	}
+	
 	@Override
 	public int commandCount() { return recorded; }
 }

src/graphics/java/speiger/src/coreengine/graphics/opengl/core/GLRecordingCommandBuffer.java

@@ -0,0 +1,239 @@
+package speiger.src.coreengine.graphics.opengl.core;
+
+import java.util.List;
+import java.util.Objects;
+
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL30;
+import org.lwjgl.opengl.GL31;
+
+import speiger.src.collections.objects.lists.ObjectArrayList;
+import speiger.src.coreengine.graphics.api.buffer.VertexBuffer;
+import speiger.src.coreengine.graphics.api.buffer.states.IndeciesType;
+import speiger.src.coreengine.graphics.api.core.GraphicsCommandBuffer;
+import speiger.src.coreengine.graphics.api.mesh.Mesh;
+import speiger.src.coreengine.graphics.api.sampler.Sampler;
+import speiger.src.coreengine.graphics.api.shader.ColorTarget;
+import speiger.src.coreengine.graphics.api.shader.DepthTarget;
+import speiger.src.coreengine.graphics.api.shader.RasterizerState;
+import speiger.src.coreengine.graphics.api.shader.ShaderPipeline;
+import speiger.src.coreengine.graphics.api.shader.states.DrawMode;
+import speiger.src.coreengine.graphics.api.texture.Texture;
+import speiger.src.coreengine.graphics.api.utils.ScissorsManager;
+import speiger.src.coreengine.graphics.api.utils.ScissorsManager.NoOp;
+import speiger.src.coreengine.graphics.opengl.buffer.GLVertexBuffer;
+import speiger.src.coreengine.graphics.opengl.mesh.GLMesh;
+import speiger.src.coreengine.graphics.opengl.sampler.GLSampler;
+import speiger.src.coreengine.graphics.opengl.shader.ShaderInstance;
+import speiger.src.coreengine.graphics.opengl.texture.GLTexture;
+import speiger.src.coreengine.graphics.opengl.utils.GLStates;
+import speiger.src.coreengine.graphics.opengl.utils.GLUtils;
+import speiger.src.coreengine.math.vector.ints.Vec4i;
+
+public class GLRecordingCommandBuffer implements GraphicsCommandBuffer {
+	List<Runnable> tasks = new ObjectArrayList<>();
+	boolean recording = false;
+	boolean removed = false;
+	GLGraphicsDevice device;
+	
+	ScissorsManager scissors = new ScissorsManager(8, NoOp.INSTANCE);
+	ShaderPipeline pipeline;
+	ShaderInstance shader;
+	GLMesh mesh;
+	
+	
+	public GLRecordingCommandBuffer(GLGraphicsDevice device) {
+		this.device = device;
+	}
+	
+	protected void ensureDrawing() {
+		if(removed) throw new IllegalStateException("CommandBuffer is removed");		
+		if(!recording) throw new IllegalStateException("CommandBuffer isn't recording");
+	}
+	
+	@Override
+	public boolean isRemoved() {
+		return removed;
+	}
+	
+	@Override
+	public void remove() {
+		removed = true;
+		clear();
+		recording = false;
+		tasks.clear();
+	}
+	
+	@Override
+	public GraphicsCommandBuffer begin() {
+		if(removed) throw new IllegalStateException("CommandBuffer is removed");
+		if(recording) throw new IllegalStateException("CommandBuffer already recording");
+		recording = true;
+		tasks.clear();
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer setScissors(int x, int y, int width, int height) {
+		ensureDrawing();
+		scissors.setRoot(x, y, width, height);
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer pipeline(ShaderPipeline pipeline) {
+		Objects.requireNonNull(pipeline);
+		ensureDrawing();
+		if(this.pipeline == pipeline) return this;
+		this.pipeline = pipeline;
+		shader = device.getShader(pipeline);
+		tasks.add(new SetPipeline(pipeline, shader, device.states));
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer mesh(Mesh mesh) {
+		Objects.requireNonNull(mesh);
+		ensureDrawing();
+		if(this.mesh == mesh) return this;
+		this.mesh = (GLMesh)mesh;
+		this.tasks.add(new SetMesh(this.mesh));
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer texture(int binding, Texture texture, Sampler sampler) {
+		Objects.requireNonNull(texture);
+		Objects.requireNonNull(sampler);
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		Objects.requireNonNull(shader.samplers().byIndex(binding), "Texture["+binding+"] binding not found");
+		tasks.add(new SetTexture(binding, (GLTexture)texture, (GLSampler)sampler, device.states));
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer uniform(int binding, VertexBuffer buffer) {
+		Objects.requireNonNull(buffer);
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		Objects.requireNonNull(shader.uniforms().byIndex(binding), "Uniform for binding ["+binding+"] doesn't exist");
+		tasks.add(new SetUniform(binding, (GLVertexBuffer)buffer, -1, -1));
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer uniform(int binding, VertexBuffer buffer, long offset, long size) {
+		Objects.requireNonNull(buffer);
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		Objects.requireNonNull(shader.uniforms().byIndex(binding), "Uniform for binding ["+binding+"] doesn't exist");
+		tasks.add(new SetUniform(binding, (GLVertexBuffer)buffer, offset, size));
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer drawArrays(int offset, int count) {
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		DrawMode mode = pipeline.rasterizer().mode();
+		tasks.add(() -> GL11.glDrawArrays(GLUtils.toGL(mode), offset, count));
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer drawElements(int offset, int count) {
+		ensureDrawing();
+		Objects.requireNonNull(shader, "No Pipeline found");
+		DrawMode mode = pipeline.rasterizer().mode();
+		IndeciesType type = mesh.indeciesType();
+		tasks.add(() -> GL11.nglDrawElements(GLUtils.toGL(mode), count, GLUtils.toGL(type), offset));
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer pushScissors(int x, int y, int width, int height) {
+		ensureDrawing();
+		scissors.push(x, y, width, height);
+		tasks.add(new SetScissors(scissors.top(), device.states));
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer popScissors() {
+		ensureDrawing();
+		scissors.pop();
+		tasks.add(new SetScissors(scissors.top(), device.states));
+		return this;
+	}
+	
+	@Override
+	public GraphicsCommandBuffer end() {
+		if(!recording) throw new IllegalStateException("Already Stopped Recording");
+		clear();
+		return this;
+	}
+	
+	@Override
+	public int commandCount() {
+		return tasks.size();
+	}
+	
+	public void execute() {
+		tasks.forEach(Runnable::run);
+	}
+	
+	private void clear() {
+		recording = false;
+		pipeline = null;
+		shader = null;
+		mesh = null;
+		scissors.clear();
+	}
+	
+	public record SetScissors(Vec4i area, GLStates states) implements Runnable {
+		@Override
+		public void run() { states.scissors.set(area); }
+	}
+	
+	public record SetPipeline(ShaderPipeline pipeline, ShaderInstance instance, GLStates states) implements Runnable {
+		@Override
+		public void run() {
+			states.shaders.bind(instance);
+			RasterizerState rasterization = pipeline.rasterizer();
+			states.polygon.set(rasterization.fillMode());
+			states.backCulling.set(rasterization.cullBack());
+			DepthTarget depth = pipeline.depthTarget();
+			if(depth.enabled()) {
+				states.depth.enable();
+				states.setDepthMask(depth.write());
+				states.setDepthFunction(depth.function());
+			}
+			else states.depth.disable();
+			ColorTarget color = pipeline.colorTarget();
+			color.blend().ifPresentOrElse(states.blend::enableSet, states.blend::disable);
+			states.setColorMask(color.writeMask());
+		}	
+	}
+	
+	public record SetMesh(GLMesh mesh) implements Runnable {
+		@Override
+		public void run() { GL30.glBindVertexArray(mesh.id()); }
+	}
+	
+	public record SetTexture(int binding, GLTexture texture, GLSampler sampler, GLStates states) implements Runnable {
+		@Override
+		public void run() {
+			states.textures.bind(binding, texture.id());
+			states.samplers.bind(binding, sampler.id());
+		}
+	}
+	
+	public record SetUniform(int binding, GLVertexBuffer buffer, long offset, long size) implements Runnable {
+		@Override
+		public void run() {
+			if(size < 0 || offset < 0) GL30.glBindBufferBase(GL31.GL_UNIFORM_BUFFER, binding, buffer.id());
+			else GL30.glBindBufferRange(GL31.GL_UNIFORM_BUFFER, binding, buffer.id(), offset, size);
+		}
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/core/GLSurface.java

@@ -1,6 +1,7 @@
 package speiger.src.coreengine.graphics.opengl.core;
 
 import org.lwjgl.glfw.GLFW;
+import org.lwjgl.opengl.GL11;
 
 import speiger.src.coreengine.graphics.api.core.GraphicsSurface;
 import speiger.src.coreengine.rendering.input.window.Window;
@@ -19,6 +20,9 @@ public class GLSurface implements GraphicsSurface {
 
 	@Override
 	public void beginFrame() {
+		GL11.glClearColor(0.2F, 0.55F, 0.66F, 1F);
+		GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
+		window.beginFrame();
 		GLFW.glfwPollEvents();
 	}
 

src/graphics/java/speiger/src/coreengine/graphics/opengl/mesh/GLMesh.java

@@ -1,6 +1,7 @@
 package speiger.src.coreengine.graphics.opengl.mesh;
 
 import org.jspecify.annotations.Nullable;
+import org.lwjgl.opengl.GL30;
 import org.lwjgl.opengl.GL45;
 
 import speiger.src.collections.ints.collections.IntIterator;
@@ -29,6 +30,22 @@ public class GLMesh extends Mesh {
 		}
 	}
 	
+	public int id() {
+		return vao;
+	}
+	
+	public void bind() {
+		GL30.glBindVertexArray(vao);
+		for(Element element : layouts.values().map(LayoutInfo::layout).flatMap(VertexLayout::elements)) {
+			GL45.glEnableVertexArrayAttrib(vao, element.index());
+		}
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		return obj instanceof GLMesh mesh && mesh.vao == vao;
+	}
+	
 	@Override
 	public boolean isRemoved() { return vao == 0; }
 	
@@ -47,6 +64,7 @@ public class GLMesh extends Mesh {
 	}
 	
 	private void bindElement() {
+		indeciesBuffer.bind();
 		GL45.glVertexArrayElementBuffer(vao, ((GLVertexBuffer)indeciesBuffer).id());
 	}
 	
@@ -54,6 +72,7 @@ public class GLMesh extends Mesh {
 		LayoutInfo info = layouts.get(binding);
 		VertexLayout layout = info.layout();
 		GLVertexBuffer buffer = (GLVertexBuffer)buffers.get(binding);
+		buffer.bind();
 		GL45.glVertexArrayVertexBuffer(vao, binding, buffer.id(), 0, layout.bytes());
 		if(info.instanceCount() > 0) GL45.glVertexArrayBindingDivisor(vao, binding, info.instanceCount());
 		int index = 0;

src/graphics/java/speiger/src/coreengine/graphics/opengl/sampler/GLSampler.java

@@ -27,6 +27,10 @@ public class GLSampler extends Sampler {
 		GL45.glSamplerParameteri(id, GL11.GL_TEXTURE_MAG_FILTER, GLUtils.toGL(settings.magSample()));
 	}
 	
+	public int id() {
+		return id;
+	}
+	
 	@Override
 	public boolean isRemoved() {
 		return id == 0;

src/graphics/java/speiger/src/coreengine/graphics/opengl/shader/ShaderCache.java

@@ -2,10 +2,14 @@ package speiger.src.coreengine.graphics.opengl.shader;
 
 import java.io.BufferedReader;
 import java.io.IOException;
+import java.nio.ByteBuffer;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Map;
 import java.util.Objects;
+import java.util.function.Supplier;
+
+import org.lwjgl.system.MemoryUtil;
 
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
@@ -62,12 +66,16 @@ public class ShaderCache {
 		catch(Exception e) { e.printStackTrace(); }
 	}
 	
-	public byte[] get(ID shaderId, String fileHash) {
+	public ByteBuffer get(ID shaderId, Supplier<String> fileHash) {
+		if(cache == null) return null;
 		String known = hashCache.get(shaderId);
-		if(!Objects.equals(known, fileHash)) return null;
+		if(known == null || !Objects.equals(known, fileHash.get())) return null;
 		Path path = toFile(shaderId);
 		if(Files.notExists(path)) return null;
-		try { return Files.readAllBytes(path); }
+		try {
+			byte[] data = Files.readAllBytes(path);
+			return MemoryUtil.memAlloc(data.length).put(data).flip();
+		}
 		catch(Exception e) { e.printStackTrace(); }
 		return null;
 	}
@@ -76,6 +84,7 @@ public class ShaderCache {
 		Objects.requireNonNull(shaderId);
 		Objects.requireNonNull(fileHash);
 		Objects.requireNonNull(shader);
+		if(cache == null) return;
 		hashCache.put(shaderId, fileHash);
 		try {
 			Path file = toFile(shaderId);
@@ -89,6 +98,7 @@ public class ShaderCache {
 	}
 	
 	public void delete(ID shaderId) {
+		if(cache == null) return;
 		if(hashCache.remove(shaderId) == null) return;
 		try { Files.deleteIfExists(toFile(shaderId)); }
 		catch(Exception e) { e.printStackTrace(); }

src/graphics/java/speiger/src/coreengine/graphics/opengl/shader/ShaderInstance.java

@@ -2,8 +2,29 @@ package speiger.src.coreengine.graphics.opengl.shader;
 
 import java.util.Map;
 
-public record ShaderInstance(int programId, Map<String, UniformObject> uniforms, Map<String, SamplerObject> samplers) {
+import speiger.src.collections.ints.maps.impl.hash.Int2ObjectOpenHashMap;
+import speiger.src.collections.ints.maps.interfaces.Int2ObjectMap;
+import speiger.src.collections.objects.maps.impl.hash.Object2ObjectOpenHashMap;
 
+public record ShaderInstance(int programId, ShaderStorage<UniformObject> uniforms, ShaderStorage<SamplerObject> samplers) {
 	public record UniformObject(int slot) {}
 	public record SamplerObject(int unit) {}
+	
+	public static class ShaderStorage<T> {
+		Map<String, T> byName = new Object2ObjectOpenHashMap<>();
+		Int2ObjectMap<T> byIndex = new Int2ObjectOpenHashMap<>();
+		
+		public void add(String name, int index, T value) {
+			byName.put(name, value);
+			byIndex.put(index, value);
+		}
+		
+		public T byName(String name) {
+			return byName.get(name);
+		}
+		
+		public T byIndex(int index) {
+			return byIndex.get(index);
+		}
+	}
 }

src/graphics/java/speiger/src/coreengine/graphics/opengl/shader/ShaderTracker.java

@@ -0,0 +1,26 @@
+package speiger.src.coreengine.graphics.opengl.shader;
+
+import org.lwjgl.opengl.GL20;
+
+import speiger.src.collections.objects.lists.ObjectArrayList;
+import speiger.src.collections.objects.lists.ObjectList;
+
+public class ShaderTracker {
+	ObjectList<ShaderInstance> knownShaders = new ObjectArrayList<ShaderInstance>();
+	int boundShader;
+	
+	public void register(ShaderInstance instance) {
+		knownShaders.add(instance);
+	}
+	
+	public void remove(ShaderInstance instance) {
+		knownShaders.remove(instance);
+	}
+	
+	public void bind(ShaderInstance instance) {
+		int id = instance.programId();
+		if(id == boundShader) return;
+		boundShader = id;
+		GL20.glUseProgram(id);
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/texture/FrameBufferCache.java

@@ -4,16 +4,16 @@ import org.lwjgl.opengl.GL45;
 
 import speiger.src.collections.objects.maps.impl.hash.Object2IntOpenHashMap;
 import speiger.src.collections.objects.maps.interfaces.Object2IntMap;
-import speiger.src.coreengine.assets.AssetLocation;
+import speiger.src.coreengine.assets.api.ID;
 
 public class FrameBufferCache {
-	Object2IntMap<AssetLocation> fboCache = new Object2IntOpenHashMap<>();
+	Object2IntMap<ID> fboCache = new Object2IntOpenHashMap<>();
 	
-	public int getOrCreateFBO(AssetLocation id) {
+	public int getOrCreateFBO(ID id) {
 		return fboCache.supplyIntIfAbsent(id, GL45::glCreateFramebuffers);
 	}
 	
-	public void deleteFBO(AssetLocation id) {
+	public void deleteFBO(ID id) {
 		int fbo = fboCache.rem(id);
 		if(fbo == -1) return;
 		GL45.glDeleteFramebuffers(fbo);

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/GLScissorsHandler.java

@@ -0,0 +1,13 @@
+package speiger.src.coreengine.graphics.opengl.utils;
+
+import speiger.src.coreengine.graphics.api.utils.ScissorsManager.IScissorsHandler;
+import speiger.src.coreengine.math.vector.ints.Vec4i;
+
+public record GLScissorsHandler(GLStates states) implements IScissorsHandler {
+	@Override
+	public void enable() { states.scissors.enable(); }
+	@Override
+	public void disable() { states.scissors.disable(); }
+	@Override
+	public void apply(int x, int y, int width, int height) { states.scissors.set(Vec4i.of(x, y, x + width, y + height)); }
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/GLStates.java

@@ -0,0 +1,64 @@
+package speiger.src.coreengine.graphics.opengl.utils;
+
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL13;
+
+import speiger.src.coreengine.graphics.api.shader.ColorTarget;
+import speiger.src.coreengine.graphics.api.utils.AlphaFunction;
+import speiger.src.coreengine.graphics.opengl.shader.ShaderTracker;
+import speiger.src.coreengine.graphics.opengl.utils.states.BlendState;
+import speiger.src.coreengine.graphics.opengl.utils.states.CullState;
+import speiger.src.coreengine.graphics.opengl.utils.states.FloatState;
+import speiger.src.coreengine.graphics.opengl.utils.states.GLPolygon;
+import speiger.src.coreengine.graphics.opengl.utils.states.GLState;
+import speiger.src.coreengine.graphics.opengl.utils.states.PixelState;
+import speiger.src.coreengine.graphics.opengl.utils.states.SamplerState;
+import speiger.src.coreengine.graphics.opengl.utils.states.ScissorState;
+import speiger.src.coreengine.graphics.opengl.utils.states.TextureState;
+
+public final class GLStates {
+	public final GLState multiSampling = new GLState(GL13.GL_MULTISAMPLE);
+	public final GLState depth = new GLState(GL11.GL_DEPTH_TEST);
+	public final GLPolygon polygon = new GLPolygon();
+	public final GLState backCulling = new CullState();
+	public final FloatState pointSize = new FloatState(1F, GL11::glPointSize);
+	public final FloatState lineSize = new FloatState(1F, GL11::glLineWidth);
+	public final TextureState textures = new TextureState();
+	public final SamplerState samplers = new SamplerState();
+	public final BlendState blend = new BlendState();
+	public final ScissorState scissors = new ScissorState();
+	public final ViewPortStack viewPort = new ViewPortStack();
+	
+	//Texture States
+	public final PixelState unpack_alignment = new PixelState(GL11.GL_UNPACK_ALIGNMENT, 4);
+	public final PixelState unpack_skip_pixel = new PixelState(GL11.GL_UNPACK_SKIP_PIXELS, 0);
+	public final PixelState unpack_skip_rows = new PixelState(GL11.GL_UNPACK_SKIP_ROWS, 0);
+	public final PixelState unpack_row_length = new PixelState(GL11.GL_UNPACK_ROW_LENGTH, 0);
+	
+	public final ShaderTracker shaders = new ShaderTracker();
+	
+	
+	int colorMask = ColorTarget.ALL;
+	boolean depthMask = true;
+	AlphaFunction depthFunction = AlphaFunction.GEQUAL;
+	int activeVAO = 0;
+	int activeShader = 0;
+	
+	public void setColorMask(int mask) {
+		if(colorMask == mask) return;
+		colorMask = mask;
+		GL11.glColorMask((mask & ColorTarget.RED) != 0, (mask & ColorTarget.GREEN) != 0, (mask & ColorTarget.BLUE) != 0, (mask & ColorTarget.ALPHA) != 0);
+	}
+	
+	public void setDepthMask(boolean depth) {
+		if(depthMask == depth) return;
+		depthMask = depth;
+		GL11.glDepthMask(depth);
+	}
+	
+	public void setDepthFunction(AlphaFunction function) {
+		if(depthFunction == function) return;
+		depthFunction = function;
+		GL11.glDepthFunc(GLUtils.toGL(function));
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/GLUtils.java

@@ -5,6 +5,7 @@ import org.lwjgl.opengl.GL12;
 import org.lwjgl.opengl.GL13;
 import org.lwjgl.opengl.GL14;
 import org.lwjgl.opengl.GL15;
+import org.lwjgl.opengl.GL20;
 import org.lwjgl.opengl.GL21;
 import org.lwjgl.opengl.GL30;
 import org.lwjgl.opengl.GL31;
@@ -16,17 +17,21 @@ import org.lwjgl.opengl.GL44;
 
 import speiger.src.coreengine.graphics.api.buffer.states.BufferState;
 import speiger.src.coreengine.graphics.api.buffer.states.BufferType;
+import speiger.src.coreengine.graphics.api.buffer.states.IndeciesType;
 import speiger.src.coreengine.graphics.api.sampler.states.BorderMode;
 import speiger.src.coreengine.graphics.api.sampler.states.SampleMode;
+import speiger.src.coreengine.graphics.api.shader.states.BlendFactor;
+import speiger.src.coreengine.graphics.api.shader.states.DrawMode;
 import speiger.src.coreengine.graphics.api.shader.states.GraphicsDataType;
+import speiger.src.coreengine.graphics.api.shader.states.PolygonMode;
+import speiger.src.coreengine.graphics.api.shader.states.ShaderType;
 import speiger.src.coreengine.graphics.api.texture.states.StencilType;
 import speiger.src.coreengine.graphics.api.texture.states.SwizzleMask;
+import speiger.src.coreengine.graphics.api.texture.states.TextureFormat;
 import speiger.src.coreengine.graphics.api.texture.states.TextureType;
 import speiger.src.coreengine.graphics.api.utils.AlphaFunction;
 
 public class GLUtils {	
-	//Buffer Begin
-	
 	public static int toGL(BufferType type) {
 		return switch(type) {
 			case ARRAY_BUFFER -> GL15.GL_ARRAY_BUFFER;
@@ -59,8 +64,6 @@ public class GLUtils {
 		};
 	}
 		
-	//Texture Begin
-	
 	public static int toGL(TextureType type) {
 		return switch(type) {
 			case TEXTURE_1D -> GL11.GL_TEXTURE_1D;
@@ -77,6 +80,45 @@ public class GLUtils {
 		};
 	}
 	
+	public static int toGLInternal(TextureFormat format) {
+		return switch(format) {
+			case R -> GL11.GL_RED;
+			case RG -> GL30.GL_RG;
+			case RGB -> GL11.GL_RGB;
+			case RGBA -> GL11.GL_RGBA8;
+			case DEPTH -> GL11.GL_DEPTH_COMPONENT;
+			case DEPTH_STENCIL -> GL30.GL_DEPTH_STENCIL;
+			case LUMINANCE -> GL30.GL_R8;
+			case LUMINANCE_ALPHA -> GL11.GL_LUMINANCE8_ALPHA8;
+		};
+	}
+	
+	public static int toGLExternal(TextureFormat format) {
+		return switch(format) {
+			case R -> GL11.GL_RED;
+			case RG -> GL30.GL_RG;
+			case RGB -> GL11.GL_RGB;
+			case RGBA -> GL11.GL_RGBA;
+			case DEPTH -> GL11.GL_DEPTH_COMPONENT;
+			case DEPTH_STENCIL -> GL30.GL_DEPTH_STENCIL;
+			case LUMINANCE -> GL30.GL_R8;
+			case LUMINANCE_ALPHA -> GL11.GL_LUMINANCE8_ALPHA8;
+		};
+	}
+	
+	public static int components(TextureFormat format) {
+		return switch(format) {
+			case R -> 1;
+			case RG -> 2;
+			case RGB -> 3;
+			case RGBA -> 4;
+			case DEPTH -> 1;
+			case DEPTH_STENCIL -> 2;
+			case LUMINANCE -> 1;
+			case LUMINANCE_ALPHA -> 2;
+		};
+	}
+	
 	public static int toGL(SwizzleMask mask) {
 		return switch(mask) {
 			case RED -> GL11.GL_RED;
@@ -154,4 +196,64 @@ public class GLUtils {
 			case UNSIGNED_INT_5_9_9_9_REV -> GL30.GL_UNSIGNED_INT_5_9_9_9_REV;
 		};
 	}
+
+	public static int toGL(BlendFactor type) {
+		return switch(type) {
+			case ZERO -> GL11.GL_ZERO;
+			case ONE -> GL11.GL_ONE;
+			case CONSTANT_COLOR -> GL15.GL_CONSTANT_COLOR;
+			case CONSTANT_ALPHA -> GL15.GL_CONSTANT_ALPHA;
+			case SRC_COLOR -> GL11.GL_SRC_COLOR;
+			case SRC_ALPHA -> GL11.GL_SRC_ALPHA;
+			case DST_COLOR -> GL11.GL_DST_COLOR;
+			case DST_ALPHA -> GL11.GL_DST_ALPHA;
+			case ONE_MINUS_SRC_COLOR -> GL11.GL_ONE_MINUS_SRC_COLOR;
+			case ONE_MINUS_SRC_ALPHA -> GL11.GL_ONE_MINUS_SRC_ALPHA;
+			case ONE_MINUS_DST_COLOR -> GL11.GL_ONE_MINUS_DST_COLOR;
+			case ONE_MINUS_DST_ALPHA -> GL11.GL_ONE_MINUS_DST_ALPHA;
+			case ONE_MINUS_CONSTANT_COLOR -> GL15.GL_ONE_MINUS_CONSTANT_COLOR;
+			case ONE_MINUS_CONSTANT_ALPHA -> GL15.GL_ONE_MINUS_CONSTANT_ALPHA;
+			case SRC_ALPHA_SATURATE -> GL11.GL_SRC_ALPHA_SATURATE;
+		};
+	}
+
+	public static int toGL(PolygonMode state) {
+		return switch(state) {
+			case FILL -> GL11.GL_FILL;
+			case LINE -> GL11.GL_LINE;
+			case POINT -> GL11.GL_POINT;			
+		};
+	}
+
+	public static int toGL(ShaderType type) {
+		return switch(type) {
+			case VERTEX -> GL20.GL_VERTEX_SHADER;
+			case FRAGMENT -> GL20.GL_FRAGMENT_SHADER;
+			case GEOMETRY -> GL32.GL_GEOMETRY_SHADER;
+			case TESSELATION_CONTROL -> GL40.GL_TESS_CONTROL_SHADER;
+			case TESSELATION_EVALUATION -> GL40.GL_TESS_EVALUATION_SHADER;
+			
+		};
+	}
+
+	public static int toGL(DrawMode mode) {
+		return switch(mode) {
+			case POINT -> GL11.GL_POINT;
+			case LINES -> GL11.GL_LINES;
+			case LINE_LOOP -> GL11.GL_LINE_LOOP;
+			case LINE_STRIP -> GL11.GL_LINE_STRIP;
+			case TRIANGLES -> GL11.GL_TRIANGLES;
+			case TRIANGLE_FAN -> GL11.GL_TRIANGLE_FAN;
+			case TRIANGLE_STRIP -> GL11.GL_TRIANGLE_STRIP;			
+			case QUADS -> GL11.GL_QUADS;
+		};
+	}
+
+	public static int toGL(IndeciesType type) {
+		return switch(type) {
+			case BYTE -> GL11.GL_UNSIGNED_BYTE;
+			case SHORT -> GL11.GL_UNSIGNED_SHORT;
+			case INT -> GL11.GL_UNSIGNED_INT;
+		};
+	}
 }

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/ViewPortStack.java

@@ -0,0 +1,36 @@
+package speiger.src.coreengine.graphics.opengl.utils;
+
+import org.lwjgl.opengl.GL11;
+
+import speiger.src.collections.objects.lists.ObjectArrayList;
+import speiger.src.collections.utils.Stack;
+import speiger.src.coreengine.math.vector.ints.Vec4i;
+
+public class ViewPortStack {
+	Stack<Vec4i> stack = new ObjectArrayList<>();
+	Vec4i defaultPort = Vec4i.ZERO;
+	
+	public void setDefault(int x, int y, int w, int h) {
+		if(defaultPort.x() == x && defaultPort.y() == y && defaultPort.z() == w && defaultPort.w() == h) return;
+		defaultPort.set(x, y, w, h);
+		if(stack.isEmpty()) GL11.glViewport(x, y, w, h);
+	}
+	
+	public void push(int x, int y, int w, int h) {
+		Vec4i current = top();
+		if(current.x() == x && current.y() == y && current.z() == w && current.w() == h) return;
+		stack.push(Vec4i.of(x, y, w, h));
+		GL11.glViewport(x, y, w, h);
+	}
+	
+	public void pop() {
+		if(stack.isEmpty()) return;
+		stack.pop();
+		Vec4i current = top();
+		GL11.glViewport(current.x(), current.y(), current.z(), current.w());
+	}
+	
+	public Vec4i top() {
+		return stack.isEmpty() ? defaultPort : stack.top();
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/BlendState.java

@@ -0,0 +1,39 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL15;
+
+import speiger.src.coreengine.graphics.api.shader.states.BlendFunction;
+import speiger.src.coreengine.graphics.opengl.utils.GLUtils;
+
+public class BlendState extends GLState {
+	BlendFunction function = BlendFunction.DEFAULT;
+	
+	public BlendState() {
+		super(GL11.GL_BLEND);
+	}
+	
+	public BlendState enableSet(BlendFunction function) {
+		enable();
+		return set(function);
+	}
+	
+	public BlendState set(BlendFunction function) {
+		if(this.function.equals(function)) return this;
+		this.function = function;
+		GL15.glBlendFuncSeparate(GLUtils.toGL(function.colorSource()), GLUtils.toGL(function.colorTarget()), GLUtils.toGL(function.alphaSource()), GLUtils.toGL(function.alphaTarget()));
+		return this;
+	}
+	
+	@Override
+	public void reapply() {
+		super.reapply();
+		GL15.glBlendFuncSeparate(GLUtils.toGL(function.colorSource()), GLUtils.toGL(function.colorTarget()), GLUtils.toGL(function.alphaSource()), GLUtils.toGL(function.alphaTarget()));
+	}
+	
+	@Override
+	public void setDefault() {
+		super.setDefault();
+		set(BlendFunction.DEFAULT);
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/CullState.java

@@ -0,0 +1,23 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+import org.lwjgl.opengl.GL11;
+
+public class CullState extends GLState {
+
+	public CullState() {
+		super(GL11.GL_CULL_FACE, false);
+	}
+	
+	@Override
+	public GLState enable() {
+		super.enable();
+		GL11.glCullFace(GL11.GL_BACK);
+		return this;
+	}
+	
+	@Override
+	public void reapply() {
+		super.reapply();
+		GL11.glCullFace(GL11.GL_BACK);
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/FloatState.java

@@ -0,0 +1,40 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+import speiger.src.collections.floats.functions.FloatConsumer;
+
+public class FloatState implements IGLState {
+	protected final float defaultValue;
+	protected float value;
+	FloatConsumer setter;
+	
+	public FloatState(float defaultValue, FloatConsumer setter) {
+		this.defaultValue = this.value = defaultValue;
+		this.setter = setter;
+	}
+	
+	public FloatState set(float value) {
+		if(equalsNot(this.value, value)) {
+			this.value = value;
+			setter.accept(value);
+		}
+		return this;
+	}
+	
+	public float get() {
+		return value;
+	}
+	
+	@Override
+	public void setDefault() {
+		set(defaultValue);
+	}
+	
+	@Override
+	public void reapply() {
+		setter.accept(defaultValue);
+	}
+	
+	protected boolean equalsNot(float key, float value) {
+		return Float.floatToIntBits(key) != Float.floatToIntBits(value);
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/GLPolygon.java

@@ -0,0 +1,30 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+import org.lwjgl.opengl.GL11;
+
+import speiger.src.coreengine.graphics.api.shader.states.PolygonMode;
+import speiger.src.coreengine.graphics.opengl.utils.GLUtils;
+
+
+public class GLPolygon implements IGLState
+{
+	PolygonMode defaultState = PolygonMode.FILL;
+	PolygonMode state = PolygonMode.FILL;
+	
+	public GLPolygon set(PolygonMode state) {
+		if(this.state == state) return this;
+		this.state = state;
+		GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GLUtils.toGL(state));
+		return this;
+	}
+	
+	@Override
+	public void setDefault() {
+		set(defaultState);
+	}
+
+	@Override
+	public void reapply() {
+		GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GLUtils.toGL(state));
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/GLState.java

@@ -0,0 +1,51 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+import org.lwjgl.opengl.GL11;
+
+public class GLState implements IGLState {
+	final int id;
+	final boolean defaultValue;
+	boolean value;
+	
+	public GLState(int id) {
+		this(id, GL11.glGetBoolean(id));
+	}
+	
+	public GLState(int id, boolean defaultValue) {
+		this.id = id;
+		this.defaultValue = this.value = defaultValue;
+	}
+	
+	public GLState enable() {
+		return set(true);
+	}
+	
+	public GLState disable() {
+		return set(false);
+	}
+	
+	public GLState set(boolean value) {
+		if(this.value != value) {
+			this.value = value;
+			setValue(value);
+		}
+		return this;
+	}
+	
+	public boolean enabled() { return value; }
+	
+	protected void setValue(boolean value) {
+		if(value) GL11.glEnable(id);
+		else GL11.glDisable(id);
+	}
+	
+	@Override
+	public void reapply() {
+		setValue(value);
+	}
+	
+	@Override
+	public void setDefault() {
+		set(defaultValue);
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/IGLState.java

@@ -0,0 +1,7 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+public interface IGLState
+{
+	public void setDefault();
+	public void reapply();
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/PixelState.java

@@ -0,0 +1,41 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+import org.lwjgl.opengl.GL11;
+
+public class PixelState implements IGLState {
+	final int id;
+	final int defaultValue;
+	int value;
+	
+	public PixelState(int id, int defaultValue) {
+		this.id = id;
+		this.defaultValue = defaultValue;
+		this.value = defaultValue;
+	}
+	
+	public PixelState set(int value) {
+		if(this.value != value) {
+			this.value = value;
+			setValue(value);
+		}
+		return this;
+	}
+	
+	protected void setValue(int value) {
+		GL11.glPixelStorei(id, value);
+	}
+	
+	public int get() {
+		return value;
+	}
+	
+	@Override
+	public void setDefault() {
+		set(defaultValue);
+	}
+	
+	@Override
+	public void reapply() {
+		setValue(value);
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/SamplerState.java

@@ -0,0 +1,51 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+import java.util.Arrays;
+
+import org.lwjgl.opengl.GL20;
+import org.lwjgl.opengl.GL33;
+import org.lwjgl.opengl.GL44;
+
+public class SamplerState implements IGLState {
+	int[] samplers = new int[GL20.GL_TEXTURE31 - GL20.GL_TEXTURE0];
+	
+	public SamplerState bind(int sampler) {
+		return bind(0, sampler);
+	}
+	
+	public SamplerState bind(int unit, int sampler) {
+		if(samplers[unit] != sampler) {
+			this.samplers[unit] = sampler;
+			GL33.glBindSampler(unit, sampler);
+		}
+		return this;
+	}
+	
+	public SamplerState unbind(int unit) {
+		if(samplers[unit] != 0) {
+			samplers[unit] = 0;
+			GL33.glBindSampler(unit, 0);
+		}
+		return this;
+	}
+	
+	public SamplerState unbindAll() {
+		setDefault();
+		return this;
+	}
+		
+	public int getSamplerId(int unit) {
+		return samplers[unit];
+	}
+	
+	@Override
+	public void setDefault() {
+		GL44.nglBindSamplers(0, samplers.length, 0);
+		Arrays.fill(samplers, 0);
+	}
+	
+	@Override
+	public void reapply() {
+		GL44.glBindSamplers(0, samplers);
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/ScissorState.java

@@ -0,0 +1,52 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+import org.lwjgl.opengl.GL11;
+
+import speiger.src.coreengine.math.vector.ints.Vec4i;
+
+public class ScissorState extends GLState {
+	Vec4i current = Vec4i.MINUS_ONE;
+	Vec4i backup = null;
+	
+	public ScissorState() {
+		super(GL11.GL_SCISSOR_TEST);
+	}
+	
+	public ScissorState set(Vec4i bounds) {
+		if(current.equals(bounds)) return this;
+		current = bounds.asImmutable();
+		if(Vec4i.MINUS_ONE.equals(bounds)) {
+			disable();
+			return this;
+		}
+		enable();
+		GL11.glScissor(bounds.x(), bounds.y(), bounds.z() - bounds.x(), bounds.w() - bounds.y());
+		return this;
+	}
+	
+	public void backup() {
+		backup = current;
+	}
+	
+	public void restore() {
+		if(backup == null) return;
+		set(backup);
+		backup = null;
+	}
+	
+	public Vec4i current() {
+		return current;
+	}
+	
+	@Override
+	public void setDefault() {
+		super.setDefault();
+		current = Vec4i.MINUS_ONE;
+	}
+	
+	@Override
+	public void reapply() {
+		super.reapply();
+		GL11.glScissor(current.x(), current.y(), current.z() - current.x(), current.w() - current.y());
+	}
+}

src/graphics/java/speiger/src/coreengine/graphics/opengl/utils/states/TextureState.java

@@ -0,0 +1,50 @@
+package speiger.src.coreengine.graphics.opengl.utils.states;
+
+import java.util.Arrays;
+
+import org.lwjgl.opengl.GL20;
+import org.lwjgl.opengl.GL45;
+
+public class TextureState implements IGLState {
+	int[] textures = new int[GL20.GL_TEXTURE31 - GL20.GL_TEXTURE0];
+	
+	public TextureState bind(int texture) {
+		return bind(0, texture);
+	}
+	
+	public TextureState bind(int unit, int texture) {
+		if(textures[unit] != texture) {
+			this.textures[unit] = texture;
+			GL45.glBindTextureUnit(unit, texture);
+		}
+		return this;
+	}
+	
+	public TextureState unbind(int unit) {
+		if(textures[unit] != 0) {
+			textures[unit] = 0;
+			GL45.glBindTextureUnit(unit, 0);
+		}
+		return this;
+	}
+	
+	public TextureState unbindAll() {
+		setDefault();
+		return this;
+	}
+		
+	public int getTextureId(int unit) {
+		return textures[unit];
+	}
+	
+	@Override
+	public void setDefault() {
+		GL45.nglBindTextures(0, textures.length, 0);
+		Arrays.fill(textures, 0);
+	}
+	
+	@Override
+	public void reapply() {
+		GL45.glBindTextures(0, textures);
+	}
+}

src/main/java/speiger/src/coreengine/NewInputTest.java

@@ -76,8 +76,8 @@ public class NewInputTest {
 		Joystick.INSTANCE.init(manager, bus);
 		FileDrop.INSTANCE.init(bus);
 		manager.addDevices(Mouse.INSTANCE, Keyboard.INSTANCE, Joystick.INSTANCE, FileDrop.INSTANCE);
-		Window window = manager.builder().title("Testing Engine").width(800).height(600).antialis(0).build();
+		Window window = manager.builder().title("Testing Engine").width(800).height(600).antialis(0).build(null);
-		Window secondWindow = manager.builder().title("Second Window Engine").width(800).height(600).antialis(0).build();
+		Window secondWindow = manager.builder().title("Second Window Engine").width(800).height(600).antialis(0).build(null);
 		Thread.ofPlatform().start(() -> drawSecondScreen(secondWindow));
 		window.setupContext();
 		shaderTest.register();

src/main/java/speiger/src/coreengine/NewRenderEngineTest.java

@@ -0,0 +1,154 @@
+package speiger.src.coreengine;
+
+import java.nio.ByteBuffer;
+
+import org.lwjgl.glfw.GLFW;
+import org.lwjgl.system.Configuration;
+import org.lwjgl.util.freetype.FreeType;
+
+import speiger.src.coreengine.assets.api.IAssetPackage;
+import speiger.src.coreengine.assets.api.ID;
+import speiger.src.coreengine.assets.manager.AssetManager;
+import speiger.src.coreengine.graphics.api.buffer.VertexBuffer;
+import speiger.src.coreengine.graphics.api.buffer.states.BufferState;
+import speiger.src.coreengine.graphics.api.buffer.states.BufferType;
+import speiger.src.coreengine.graphics.api.core.Graphics;
+import speiger.src.coreengine.graphics.api.core.GraphicsCommandBuffer;
+import speiger.src.coreengine.graphics.api.core.GraphicsDevice;
+import speiger.src.coreengine.graphics.api.core.GraphicsSurface;
+import speiger.src.coreengine.graphics.api.mesh.Mesh;
+import speiger.src.coreengine.graphics.api.sampler.Sampler;
+import speiger.src.coreengine.graphics.api.sampler.SamplerSettings;
+import speiger.src.coreengine.graphics.api.sampler.states.BorderMode;
+import speiger.src.coreengine.graphics.api.sampler.states.SampleMode;
+import speiger.src.coreengine.graphics.api.shader.ShaderPipeline;
+import speiger.src.coreengine.graphics.api.shader.states.GraphicsDataType;
+import speiger.src.coreengine.graphics.api.shader.states.ShaderType;
+import speiger.src.coreengine.graphics.api.texture.Texture;
+import speiger.src.coreengine.graphics.api.texture.TextureSettings;
+import speiger.src.coreengine.graphics.api.texture.states.TextureFormat;
+import speiger.src.coreengine.graphics.api.texture.states.TextureType;
+import speiger.src.coreengine.graphics.api.utils.ExecutionType;
+import speiger.src.coreengine.graphics.api.vertex.VertexLayout;
+import speiger.src.coreengine.graphics.api.vertex.VertexLayout.Usage;
+import speiger.src.coreengine.graphics.opengl.core.GLGraphics;
+import speiger.src.coreengine.math.vector.matrix.Matrix4f;
+import speiger.src.coreengine.rendering.input.devices.FileDrop;
+import speiger.src.coreengine.rendering.input.devices.Joystick;
+import speiger.src.coreengine.rendering.input.devices.Keyboard;
+import speiger.src.coreengine.rendering.input.devices.Mouse;
+import speiger.src.coreengine.rendering.input.window.Window;
+import speiger.src.coreengine.rendering.input.window.WindowManager;
+import speiger.src.coreengine.rendering.tesselation.buffer.VertexBuilder;
+import speiger.src.coreengine.rendering.tesselation.format.VertexTypes;
+import speiger.src.coreengine.rendering.textures.custom.Drawable;
+import speiger.src.coreengine.rendering.utils.values.textures.GLTextureFormat;
+import speiger.src.coreengine.utils.eventbus.EventBus;
+import speiger.src.coreengine.utils.helpers.IOUtils;
+
+public class NewRenderEngineTest {
+	EventBus bus = new EventBus();
+	WindowManager manager = new WindowManager();
+	AssetManager assets = AssetManager.single(IAssetPackage.asset(IOUtils.getBaseLocation()));
+	
+	public static void main(String... args) {
+		new NewRenderEngineTest().run();
+	}
+	
+	public void run() {
+		Configuration.HARFBUZZ_LIBRARY_NAME.set(FreeType.getLibrary());
+		GLFW.glfwInit();
+		manager.initialize();
+		Mouse.INSTANCE.init(bus);
+		Keyboard.INSTANCE.init(bus);
+		Joystick.INSTANCE.init(manager, bus);
+		FileDrop.INSTANCE.init(bus);
+		manager.addDevices(Mouse.INSTANCE, Keyboard.INSTANCE, Joystick.INSTANCE, FileDrop.INSTANCE);
+		Graphics graphics = new GLGraphics(assets);
+		Window window = manager.builder().title("Testing Engine").width(800).height(600).antialis(0).build(graphics);
+		GraphicsDevice device = graphics.createDevice(window);
+		window.setupContext();
+		
+		GraphicsSurface surface = device.createSurface();
+		int size = 512;
+		int half = size >> 1;
+		int base = size >> 3;
+		Drawable drawer = new Drawable(GLTextureFormat.RGBA, size, size);
+		drawer.fill(0, 0, size, size, -1);
+		drawer.fill(0, 0, half, half, 255, 0, 0, 255);
+		drawer.fill(half, 0, half, half, 0, 255, 0, 255);
+		drawer.fill(half, half, half, half, 255, 0, 0, 255);
+		drawer.fill(0, half, half, half, 0, 0, 255, 255);
+		
+		VertexBuilder builder = new VertexBuilder(255);
+		builder.start(null, VertexTypes.TESTING);
+		builder.pos(-0.5F, -0.5F, 0).tex(0F, 1F).rgba(-1).endVertex();
+		builder.pos(0.5F, -0.5F, 0).tex(1F, 1F).rgba(-1).endVertex();
+		builder.pos(0.5F, 0.5F, 0).tex(1F, 0F).rgba(-1).endVertex();
+		builder.pos(0.5F, 0.5F, 0).tex(1F, 0F).rgba(-1).endVertex();
+		builder.pos(-0.5F, 0.5F, 0).tex(0F, 0F).rgba(-1).endVertex();
+		builder.pos(-0.5F, -0.5F, 0).tex(0F, 1F).rgba(-1).endVertex();
+		
+		Texture texture = device.createTexture(TextureSettings.builder().build(), size, size);
+		device.queue().writeToTexture(texture, TextureFormat.RGBA, GraphicsDataType.UNSIGNED_BYTE, drawer.pixels());
+		drawer.close();
+		
+		VertexLayout layout = VertexLayout.builder()
+				.element("pos", 0, 3, Usage.POS)
+				.element("tex", 1, 2, Usage.UV)
+				.element("color", 2, 4, Usage.COLOR, GraphicsDataType.UNSIGNED_BYTE, true)
+				.build();
+		
+		Mesh mesh = device.createMesh(Mesh.builder().layout(layout));
+		mesh.buffer(0, device.createBuffer(BufferType.ARRAY_BUFFER, BufferState.STATIC_DRAW).bind().set(builder.getBytes()).unbind());
+		
+		Sampler sampler = device.createSampler(SamplerSettings.builder().sampler(SampleMode.NEAREST).wrap(BorderMode.CLAMP_TO_EDGE).build());
+		VertexBuffer buffer = device.createBuffer(BufferType.UNIFORM_BUFFER, BufferState.STATIC_DRAW);
+		ByteBuffer mat = ByteBuffer.allocate(64);
+		int scale = 0;
+		new Matrix4f().ortho(0, 0, window.width() >> scale, window.height() >> scale, 1000, -1000).store(mat);
+		buffer.bind().set(mat.flip().array()).unbind();
+		
+		
+		ShaderPipeline pipeline = ShaderPipeline.builder(ID.of("gui"))
+			.withStage(ShaderType.VERTEX, ID.of("shader/testGui/vertex.vs"))
+			.withStage(ShaderType.FRAGMENT, ID.of("shader/testGui/fragment.fs"))
+			.withTexture("texture", 0, 0, TextureType.TEXTURE_2D)
+			.withUniform("Camera", 0, 0, 64)
+			.withFormat()
+				.attribute("in_position", 0, 3)
+				.attribute("in_tex", 1, 2)
+				.attribute("in_color", 2, 4, GraphicsDataType.UNSIGNED_BYTE, true)
+				.endFormat()
+			.build();
+		window.visible(true);
+		GraphicsCommandBuffer queue = device.createCommandBuffer(ExecutionType.IMMEDIATE);
+		
+		while(!window.shouldClose()) {
+			surface.beginFrame();
+			if(window.changed()) {
+				window.updateViewport();
+				new Matrix4f().ortho(0, 0, window.width() >> scale, window.height() >> scale, 1000, -1000).store(mat);
+				buffer.bind().set(mat.flip().array()).unbind();
+			}
+			queue.begin();
+			queue.pipeline(pipeline)
+				.mesh(mesh)
+				.texture(0, texture, sampler)
+				.uniform(0, buffer)
+				.drawArrays(0, 6)
+				.drawArrays(0, 6);
+			
+			queue.end();
+			
+			surface.finishFrame();
+			
+			try {
+				Thread.sleep(1);
+			}
+			catch(Exception e) {
+				e.printStackTrace();
+			}
+		}
+	}
+}

src/main/java/speiger/src/coreengine/rendering/input/window/Window.java

@@ -8,12 +8,12 @@ import org.lwjgl.opengl.GLCapabilities;
 import org.lwjgl.system.CallbackI;
 
 import speiger.src.collections.objects.lists.ObjectArrayList;
+import speiger.src.coreengine.graphics.api.core.Graphics;
 import speiger.src.coreengine.math.BitUtil;
 import speiger.src.coreengine.math.vector.ints.Vec4i;
 import speiger.src.coreengine.rendering.input.window.IWindowListener.Reason;
 import speiger.src.coreengine.rendering.input.window.WindowCallback.ReloadFunction;
 import speiger.src.coreengine.rendering.input.window.WindowManager.WindowBuilder;
-import speiger.src.coreengine.rendering.utils.GLStateTracker;
 import speiger.src.coreengine.utils.collections.FlagHolder;
 
 public class Window {
@@ -49,7 +49,7 @@ public class Window {
 	List<IWindowListener> listeners = new ObjectArrayList<>();
 	GLCapabilities capabilities;
 	
-	protected Window(WindowBuilder builder) {
+	protected Window(WindowBuilder builder, Graphics graphics) {
 		manager = builder.manager;
 		title = builder.title;
 		frameWidth = width = builder.width;
@@ -62,7 +62,8 @@ public class Window {
 		flags.setFlag(RESIZABLE, builder.resizable);
 		flags.setFlag(VSYNC, builder.vsync);
 		flags.setFlag(CPU_FPS_CAP, builder.fpsCap);
-		createDefaultWindowHints();
+		if(graphics != null) graphics.setupWindowArguments();
+		else createDefaultWindowHints();
 		for(int i = 0,m=builder.windowHints.size();i<m;i++) {
 			long value = builder.windowHints.getLong(i);
 			GLFW.glfwWindowHint(BitUtil.intKey(value), BitUtil.intValue(value));
@@ -81,7 +82,7 @@ public class Window {
 		manager.addWindow(this);
 		createWindowListeners();
 		GLFW.glfwMakeContextCurrent(id);
-		capabilities = GL.createCapabilities(true);
+		if(graphics == null) capabilities = GL.createCapabilities(true);
 		x = monitor.xOffset() + (builder.center ? (mode.width() / 2) - (width / 2) : 0);
 		y = monitor.yOffset() + (builder.center ? (mode.height() / 2) - (height / 2) : 0);
 		if(!fullscreen) GLFW.glfwSetWindowPos(id, x, y);
@@ -138,14 +139,14 @@ public class Window {
 	
 	public void updateViewport() {
 		flags.clearFlag(WINDOW_CHANGE);
-		GLStateTracker.instance().viewPort.setDefault(0, 0, frameWidth, frameHeight);
+//		GLStateTracker.instance().viewPort.setDefault(0, 0, frameWidth, frameHeight);
 		for(int i = 0,m=listeners.size();i<m;i++) {
 			listeners.get(i).onChanged(this, Reason.CHANGE);
 		}
 	}
 	
 	public void setupContext() {
-		GL.setCapabilities(capabilities);
+		if(capabilities != null) GL.setCapabilities(capabilities);
 		GLFW.glfwMakeContextCurrent(id);
 		
 	}

src/main/java/speiger/src/coreengine/rendering/input/window/WindowManager.java

@@ -13,6 +13,7 @@ import speiger.src.collections.longs.lists.LongList;
 import speiger.src.collections.longs.maps.impl.concurrent.Long2ObjectConcurrentOpenHashMap;
 import speiger.src.collections.longs.maps.interfaces.Long2ObjectMap;
 import speiger.src.collections.objects.lists.ObjectArrayList;
+import speiger.src.coreengine.graphics.api.core.Graphics;
 import speiger.src.coreengine.math.BitUtil;
 import speiger.src.coreengine.rendering.input.devices.InputDevice;
 import speiger.src.coreengine.rendering.input.window.WindowCallback.SimpleReloadFunction;
@@ -39,7 +40,7 @@ public class WindowManager {
 	}
 	
 	public WindowBuilder builder() { return new WindowBuilder(this); }
-	private Window create(WindowBuilder builder) { return new Window(builder); }
+	private Window create(WindowBuilder builder, Graphics graphics) { return new Window(builder, graphics); }
 	
 	public void addDevices(InputDevice...devices) {
 		for(InputDevice device : devices) addDevice(device);
@@ -258,8 +259,8 @@ public class WindowManager {
 			return this;
 		}
 				
-		public Window build() {
+		public Window build(Graphics graphics) {
-			return manager.create(this);
+			return manager.create(this, graphics);
 		}
 		
 	}

src/main/resources/assets/base/shader/testGui/fragment.fs

@@ -1,11 +1,11 @@
-#version 330
+#version 420
 
 in vec4 pass_color;
 in vec2 pass_tex;
 
 out vec4 frag_color;
 
-uniform sampler2D texture;
+layout(binding = 0) uniform sampler2D texture;
 
 void main()
 {

src/main/resources/assets/base/shader/testGui/vertex.vs

@@ -1,4 +1,4 @@
-#version 330
+#version 420
 
 layout(location = 0) in vec3 in_position;
 layout(location = 1) in vec2 in_tex;
@@ -7,11 +7,13 @@ layout(location = 2) in vec4 in_color;
 out vec4 pass_color;
 out vec2 pass_tex;
 
-uniform mat4 proViewMatrix;
+layout(binding = 0) uniform Camera {
+	mat4 proViewMatrix;
+} camera;
 
 void main()
 {
-	gl_Position = proViewMatrix * vec4(in_position, 1.0);
+	gl_Position = camera.proViewMatrix * vec4(in_position, 1.0);
 	pass_color = in_color;
 	pass_tex = in_tex;
 }