From 480615de7ac2c685e2bcf697ab652c8f98b6a0c1 Mon Sep 17 00:00:00 2001
From: Speiger <speiger@gmx.net>
Date: Sat, 6 Apr 2024 12:16:14 +0200
Subject: [PATCH] Finished mapping out texture variables (int only)

---
 gradle.properties                             |   2 +-
 .../textures/base/TextureMetadata.java        | 107 +++++++++++++++++-
 .../utils/values/GLAlphaFunction.java         |  25 ++++
 .../rendering/utils/values/GLTextureType.java |   5 -
 .../rendering/utils/values/IGLValue.java      |   6 +
 .../values/textures/GLTextureFormat.java      |  28 +++++
 .../values/textures/GLTextureParameter.java   |  60 ++++++++++
 .../utils/values/textures/GLTextureValue.java |  45 ++++++++
 8 files changed, 270 insertions(+), 8 deletions(-)
 create mode 100644 src/main/java/speiger/src/coreengine/rendering/utils/values/GLAlphaFunction.java
 delete mode 100644 src/main/java/speiger/src/coreengine/rendering/utils/values/GLTextureType.java
 create mode 100644 src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureFormat.java
 create mode 100644 src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureParameter.java
 create mode 100644 src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureValue.java

diff --git a/gradle.properties b/gradle.properties
index 8c62257..bb2f0a5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.jvmargs=-Xmx2G
 
-lwjglVersion = 3.3.2
+lwjglVersion = 3.3.3
 lwjglNatives = natives-windows
\ No newline at end of file
diff --git a/src/main/java/speiger/src/coreengine/rendering/textures/base/TextureMetadata.java b/src/main/java/speiger/src/coreengine/rendering/textures/base/TextureMetadata.java
index 2b19e75..bfdf51c 100644
--- a/src/main/java/speiger/src/coreengine/rendering/textures/base/TextureMetadata.java
+++ b/src/main/java/speiger/src/coreengine/rendering/textures/base/TextureMetadata.java
@@ -1,9 +1,112 @@
 package speiger.src.coreengine.rendering.textures.base;
 
+import org.lwjgl.opengl.GL45;
+
+import speiger.src.collections.longs.lists.LongArrayList;
+import speiger.src.collections.longs.lists.LongList;
+import speiger.src.coreengine.math.BitUtil;
+import speiger.src.coreengine.rendering.utils.values.IGLValue;
+import speiger.src.coreengine.rendering.utils.values.IGLValue.IGLDataType;
+import speiger.src.coreengine.rendering.utils.values.IGLValue.ITextureFormatType;
+import speiger.src.coreengine.rendering.utils.values.IGLValue.ITextureParameter;
+
 public class TextureMetadata {
-	int textureType;
+	int internalFormat;
+	int externalFormat;
 	int dataFormat;
-	int textureFormat;
+	LongList arguments = new LongArrayList();
 	
+	private TextureMetadata() {}
 	
+	public void applyArguments(int texture) {
+		for(int i = 0,m=arguments.size();i<m;i++) {
+			long value = arguments.getLong(i);
+			GL45.glTextureParameteri(texture, BitUtil.toFirstInt(value), BitUtil.toSecondInt(value));
+		}
+	}
+	
+	public LongList getArguments() {
+		return arguments.unmodifiable();
+	}
+	
+	public int getInternalFormat() { return internalFormat; }
+	public int getExternalFormat() { return externalFormat; }
+	public int getDataFormat() { return dataFormat; }
+	public Builder copy() { return new Builder(this); }
+	public static Builder builder() { return new Builder(); }
+	
+	public static class Builder {
+		TextureMetadata metadata = new TextureMetadata();
+		
+		private Builder() {}
+		
+		private Builder(TextureMetadata data) {
+			metadata.internalFormat = data.internalFormat;
+			metadata.externalFormat = data.externalFormat;
+			metadata.dataFormat = data.dataFormat;
+			metadata.arguments.addAll(data.arguments);
+		}
+		
+		public Builder internalFormat(ITextureFormatType type) {
+			if(!type.internal()) throw new IllegalArgumentException("The GL_Type ["+type.glMode()+"] isn't supported in the internal format");
+			return internalFormat(type.glMode());
+		}
+		
+		public Builder internalFormat(int glValue) {
+			metadata.internalFormat = glValue;
+			return this;
+		}
+		
+		public Builder externalFormat(ITextureFormatType type) {
+			return externalFormat(type.glMode());
+		}
+		
+		public Builder externalFormat(int glValue) {
+			metadata.externalFormat = glValue;
+			return this;
+		}
+		
+		public Builder dataFormat(IGLDataType type) {
+			return dataFormat(type.glMode());
+		}
+		
+		public Builder dataFormat(int glValue) {
+			metadata.dataFormat = glValue;
+			return this;
+		}
+		
+		public Builder removeArgument(ITextureParameter id) {
+			return removeArgument(id.glMode());
+		}
+		
+		public Builder removeArgument(int id) {
+			LongList list = metadata.arguments;
+			for(int i = 0,m=list.size();i<m;i++) {
+				if(BitUtil.toFirstInt(list.getLong(i)) == id) {
+					list.removeLong(i--);
+				}
+			}
+			return this;
+		}
+		
+		public Builder arguement(ITextureParameter parameter, IGLValue value) {
+			return argument(parameter, value.glMode());
+		}
+		
+		public Builder argument(ITextureParameter parameter, int value) {
+			if(!parameter.isValid(value)) throw new IllegalArgumentException("Value ["+value+"] isn't supported for GL Function ["+parameter.glMode()+"], only int functions are supported with this");
+			return argument(parameter.glMode(), value);
+		}
+		
+		public Builder argument(int id, int value) {
+			metadata.arguments.add(BitUtil.toLong(id, value));
+			return this;
+		}
+		
+		public TextureMetadata build() {
+			TextureMetadata meta = metadata;
+			metadata = null;
+			return meta;
+		}
+	}
 }
diff --git a/src/main/java/speiger/src/coreengine/rendering/utils/values/GLAlphaFunction.java b/src/main/java/speiger/src/coreengine/rendering/utils/values/GLAlphaFunction.java
new file mode 100644
index 0000000..138860c
--- /dev/null
+++ b/src/main/java/speiger/src/coreengine/rendering/utils/values/GLAlphaFunction.java
@@ -0,0 +1,25 @@
+package speiger.src.coreengine.rendering.utils.values;
+
+import org.lwjgl.opengl.GL11;
+
+public enum GLAlphaFunction implements IGLValue {
+    NEVER(GL11.GL_NEVER),
+    LESS(GL11.GL_LESS),
+    EQUAL(GL11.GL_EQUAL),
+    LEQUAL(GL11.GL_LEQUAL),
+    GREATER(GL11.GL_GREATER),
+    NOTEQUAL(GL11.GL_NOTEQUAL),
+    GEQUAL(GL11.GL_GEQUAL),
+    ALWAYS(GL11.GL_ALWAYS);
+	
+	int glValue;
+
+	private GLAlphaFunction(int glValue) {
+		this.glValue = glValue;
+	}
+
+	@Override
+	public int glMode() {
+		return glValue;
+	}
+}
diff --git a/src/main/java/speiger/src/coreengine/rendering/utils/values/GLTextureType.java b/src/main/java/speiger/src/coreengine/rendering/utils/values/GLTextureType.java
deleted file mode 100644
index 689854d..0000000
--- a/src/main/java/speiger/src/coreengine/rendering/utils/values/GLTextureType.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package speiger.src.coreengine.rendering.utils.values;
-
-public enum GLTextureType {
-	
-}
diff --git a/src/main/java/speiger/src/coreengine/rendering/utils/values/IGLValue.java b/src/main/java/speiger/src/coreengine/rendering/utils/values/IGLValue.java
index ab103d6..ca38dac 100644
--- a/src/main/java/speiger/src/coreengine/rendering/utils/values/IGLValue.java
+++ b/src/main/java/speiger/src/coreengine/rendering/utils/values/IGLValue.java
@@ -16,4 +16,10 @@ public interface IGLValue {
 		public boolean supportsIBO();
 	}
 	public static interface IShaderType extends IGLValue {};
+	public static interface ITextureFormatType extends IGLValue {
+		public boolean internal();
+	}
+	public static interface ITextureParameter extends IGLValue {
+		public boolean isValid(int value);
+	}
 }
diff --git a/src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureFormat.java b/src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureFormat.java
new file mode 100644
index 0000000..f636d6a
--- /dev/null
+++ b/src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureFormat.java
@@ -0,0 +1,28 @@
+package speiger.src.coreengine.rendering.utils.values.textures;
+
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL30;
+
+import speiger.src.coreengine.rendering.utils.values.IGLValue.ITextureFormatType;
+
+public enum GLTextureFormat implements ITextureFormatType {
+	R(GL11.GL_RED, true),
+	RG(GL30.GL_RG, true),
+	RGB(GL11.GL_RGB, true),
+	RGBA(GL11.GL_RGBA, true),
+	DEPTH(GL11.GL_DEPTH_COMPONENT, true),
+	DEPTH_STENCIL(GL30.GL_DEPTH_STENCIL, true);
+	
+	int glMode;
+	boolean internal;
+	
+	private GLTextureFormat(int glMode, boolean internal) {
+		this.glMode = glMode;
+		this.internal = internal;
+	}
+	
+	@Override
+	public int glMode() { return glMode; }
+	@Override
+	public boolean internal() { return internal; }
+}
diff --git a/src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureParameter.java b/src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureParameter.java
new file mode 100644
index 0000000..c256ee4
--- /dev/null
+++ b/src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureParameter.java
@@ -0,0 +1,60 @@
+package speiger.src.coreengine.rendering.utils.values.textures;
+
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL12;
+import org.lwjgl.opengl.GL14;
+import org.lwjgl.opengl.GL33;
+import org.lwjgl.opengl.GL43;
+
+import speiger.src.collections.ints.sets.IntOpenHashSet;
+import speiger.src.collections.ints.sets.IntSet;
+import speiger.src.collections.ints.utils.IntSets;
+import speiger.src.coreengine.rendering.utils.values.GLAlphaFunction;
+import speiger.src.coreengine.rendering.utils.values.GLBlendFactor;
+import speiger.src.coreengine.rendering.utils.values.IGLValue;
+import speiger.src.coreengine.rendering.utils.values.IGLValue.ITextureParameter;
+
+public enum GLTextureParameter implements ITextureParameter {
+	DEPTH_STENCIL(GL43.GL_DEPTH_STENCIL_TEXTURE_MODE, GLTextureValue.DEPTH_COMPONENT, GLTextureValue.STENCIL_INDEX),
+	BASE_LEVEL(GL12.GL_TEXTURE_BASE_LEVEL, true),
+	MAX_LEVEL(GL12.GL_TEXTURE_MAX_LEVEL, true),
+	MIN_LOD(GL12.GL_TEXTURE_MIN_LOD, false),
+	MAX_LOD(GL12.GL_TEXTURE_MAX_LOD, false),
+	BORDER_COLOR(GL11.GL_TEXTURE_BORDER_COLOR, false),
+	COMPARE_FUNCTION(GL14.GL_TEXTURE_COMPARE_FUNC, GLAlphaFunction.values()),
+	COMPARE_MODE(GL14.GL_TEXTURE_COMPARE_MODE, GLTextureValue.COMPARE_REF_TO_TEXTURE, GLTextureValue.NONE),
+	MIN_FILTER(GL11.GL_TEXTURE_MIN_FILTER, GLTextureValue.NEAREST, GLTextureValue.LINEAR, GLTextureValue.NEAREST_MIPMAP_NEAREST, GLTextureValue.LINEAR_MIPMAP_NEAREST, GLTextureValue.NEAREST_MIPMAP_LINEAR, GLTextureValue.LINEAR_MIPMAP_LINEAR),
+	MAG_FILTER(GL11.GL_TEXTURE_MAG_FILTER, GLTextureValue.NEAREST, GLTextureValue.LINEAR),
+	SWIZZLE_R(GL33.GL_TEXTURE_SWIZZLE_R, GLTextureValue.RED, GLTextureValue.GREEN, GLTextureValue.BLUE, GLTextureValue.ALPHA, GLBlendFactor.ZERO, GLBlendFactor.ONE),
+	SWIZZLE_G(GL33.GL_TEXTURE_SWIZZLE_G, GLTextureValue.RED, GLTextureValue.GREEN, GLTextureValue.BLUE, GLTextureValue.ALPHA, GLBlendFactor.ZERO, GLBlendFactor.ONE),
+	SWIZZLE_B(GL33.GL_TEXTURE_SWIZZLE_B, GLTextureValue.RED, GLTextureValue.GREEN, GLTextureValue.BLUE, GLTextureValue.ALPHA, GLBlendFactor.ZERO, GLBlendFactor.ONE),
+	SWIZZLE_A(GL33.GL_TEXTURE_SWIZZLE_A, GLTextureValue.RED, GLTextureValue.GREEN, GLTextureValue.BLUE, GLTextureValue.ALPHA, GLBlendFactor.ZERO, GLBlendFactor.ONE),
+	SWIZZLE_RGBA(GL33.GL_TEXTURE_SWIZZLE_RGBA, false),
+	WRAP_S(GL11.GL_TEXTURE_WRAP_S, GLTextureValue.CLAMP_TO_EDGE, GLTextureValue.CLAMP_TO_BORDER, GLTextureValue.MIRRORED_REPEAT, GLTextureValue.REPEAT, GLTextureValue.MIRROR_CLAMP_TO_EDGE),
+	WRAP_T(GL11.GL_TEXTURE_WRAP_T, GLTextureValue.CLAMP_TO_EDGE, GLTextureValue.CLAMP_TO_BORDER, GLTextureValue.MIRRORED_REPEAT, GLTextureValue.REPEAT, GLTextureValue.MIRROR_CLAMP_TO_EDGE),
+	WRAP_R(GL12.GL_TEXTURE_WRAP_R, GLTextureValue.CLAMP_TO_EDGE, GLTextureValue.CLAMP_TO_BORDER, GLTextureValue.MIRRORED_REPEAT, GLTextureValue.REPEAT, GLTextureValue.MIRROR_CLAMP_TO_EDGE);
+	
+	int glValue;
+	IntSet validValues;
+	
+	private GLTextureParameter(int glValue, IGLValue... validValues) {
+		this.glValue = glValue;
+		this.validValues = new IntOpenHashSet(validValues.length);
+		for(int i = 0,m=validValues.length;i<m;this.validValues.add(validValues[i++].glMode()));
+	}
+	
+	private GLTextureParameter(int glValue, boolean any) {
+		this.glValue = glValue;
+		this.validValues = any ? IntSets.empty() : IntSets.singleton(-1);
+	}
+	
+	@Override
+	public int glMode() {
+		return glValue;
+	}
+
+	@Override
+	public boolean isValid(int value) {
+		return validValues.isEmpty() || validValues.contains(value);
+	}
+}
\ No newline at end of file
diff --git a/src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureValue.java b/src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureValue.java
new file mode 100644
index 0000000..d6a07fa
--- /dev/null
+++ b/src/main/java/speiger/src/coreengine/rendering/utils/values/textures/GLTextureValue.java
@@ -0,0 +1,45 @@
+package speiger.src.coreengine.rendering.utils.values.textures;
+
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL12;
+import org.lwjgl.opengl.GL13;
+import org.lwjgl.opengl.GL14;
+import org.lwjgl.opengl.GL30;
+import org.lwjgl.opengl.GL44;
+
+import speiger.src.coreengine.rendering.utils.values.IGLValue;
+
+public enum GLTextureValue implements IGLValue {
+	DEPTH_COMPONENT(GL11.GL_DEPTH_COMPONENT),
+	STENCIL_INDEX(GL11.GL_STENCIL_INDEX),
+	COMPARE_REF_TO_TEXTURE(GL30.GL_COMPARE_REF_TO_TEXTURE),
+	NONE(GL11.GL_NONE),
+	NEAREST(GL11.GL_NEAREST),
+	LINEAR(GL11.GL_LINEAR),
+	NEAREST_MIPMAP_NEAREST(GL11.GL_NEAREST_MIPMAP_NEAREST),
+	LINEAR_MIPMAP_NEAREST(GL11.GL_LINEAR_MIPMAP_NEAREST),
+	NEAREST_MIPMAP_LINEAR(GL11.GL_NEAREST_MIPMAP_LINEAR),
+	LINEAR_MIPMAP_LINEAR(GL11.GL_LINEAR_MIPMAP_LINEAR),
+	RED(GL11.GL_RED),
+	GREEN(GL11.GL_GREEN),
+	BLUE(GL11.GL_BLUE),
+	ALPHA(GL11.GL_ALPHA),
+	CLAMP_TO_EDGE(GL12.GL_CLAMP_TO_EDGE),
+	CLAMP_TO_BORDER(GL13.GL_CLAMP_TO_BORDER),
+	MIRRORED_REPEAT(GL14.GL_MIRRORED_REPEAT),
+	REPEAT(GL11.GL_REPEAT),
+	MIRROR_CLAMP_TO_EDGE(GL44.GL_MIRROR_CLAMP_TO_EDGE),
+	
+	;
+	
+	int glValue;
+	
+	private GLTextureValue(int glValue) {
+		this.glValue = glValue;
+	}
+	
+	@Override
+	public int glMode() {
+		return glValue;
+	}
+}