Fix HTML5

Backends/HTML5/kha/graphics4/ComputeShader.hx

@@ -0,0 +1,22 @@
+package kha.graphics4;
+
+import haxe.io.Bytes;
+import kha.Blob;
+
+class ComputeShader {
+	public function new(sources: Array<Blob>, files: Array<String>) {
+
+	}
+
+	public function delete(): Void {
+
+	}
+
+	public function getConstantLocation(name: String): ConstantLocation {
+		return null;
+	}
+
+	public function getTextureUnit(name: String): TextureUnit {
+		return null;
+	}
+}

Backends/HTML5/kha/graphics4/ShaderStorageBuffer.hx

@@ -0,0 +1,24 @@
+package kha.graphics4;
+
+class ShaderStorageBuffer {
+	var data: Array<Int>;
+	var myCount: Int;
+
+	public function new(indexCount: Int, type: VertexData) {
+		myCount = indexCount;
+		data = new Array<Int>();
+		data[myCount - 1] = 0;
+	}
+
+	public function delete(): Void {}
+
+	public function lock(): Array<Int> {
+		return data;
+	}
+
+	public function unlock(): Void {}
+
+	public function count(): Int {
+		return myCount;
+	}
+}

Backends/HTML5/kha/js/graphics4/Graphics.hx

@@ -8,11 +8,13 @@ import js.html.webgl.GL;
 import kha.graphics4.BlendingFactor;
 import kha.graphics4.BlendingOperation;
 import kha.graphics4.CompareMode;
+import kha.graphics4.ComputeShader;
 import kha.graphics4.CubeMap;
 import kha.graphics4.CullMode;
 import kha.graphics4.IndexBuffer;
 import kha.graphics4.MipMapFilter;
 import kha.graphics4.PipelineState;
+import kha.graphics4.ShaderStorageBuffer;
 import kha.graphics4.StencilAction;
 import kha.graphics4.TextureAddressing;
 import kha.graphics4.TextureFilter;
@@ -735,4 +737,16 @@ class Graphics implements kha.graphics4.Graphics {
 	public function instancedRenderingAvailable(): Bool {
 		return instancedExtension;
 	}
+
+	public function setShaderStorageBuffer(buffer: ShaderStorageBuffer, index: Int) {
+
+	}
+
+	public function setComputeShader(shader: ComputeShader) {
+
+	}
+
+	public function compute(x: Int, y: Int, z: Int) {
+
+	}
 }