Float16FrameBuffer

src/com/badlogic/gdx/graphics/glutils/Float16FrameBuffer.java

@@ -0,0 +1,50 @@
+package com.badlogic.gdx.graphics.glutils;
+
+import com.badlogic.gdx.Application;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.graphics.GL30;
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.utils.GdxRuntimeException;
+
+/**
+ * Created by minjaesong on 2023-08-16.
+ */
+public class Float16FrameBuffer extends FrameBuffer {
+
+    Float16FrameBuffer () {
+    }
+
+    /** Creates a GLFrameBuffer from the specifications provided by bufferBuilder
+     *
+     * @param bufferBuilder **/
+    protected Float16FrameBuffer (GLFrameBufferBuilder<? extends GLFrameBuffer<Texture>> bufferBuilder) {
+        super(bufferBuilder);
+    }
+
+    /** Creates a new FrameBuffer with a float backing texture, having the given dimensions and potentially a depth buffer
+     * attached.
+     *
+     * @param width the width of the framebuffer in pixels
+     * @param height the height of the framebuffer in pixels
+     * @param hasDepth whether to attach a depth buffer
+     * @throws GdxRuntimeException in case the FrameBuffer could not be created */
+    public Float16FrameBuffer (int width, int height, boolean hasDepth) {
+        FloatFrameBufferBuilder bufferBuilder = new FloatFrameBufferBuilder(width, height);
+        bufferBuilder.addFloatAttachment(GL30.GL_RGBA16F, GL30.GL_RGBA, GL30.GL_FLOAT, false);
+        if (hasDepth) bufferBuilder.addBasicDepthRenderBuffer();
+        this.bufferBuilder = bufferBuilder;
+
+        build();
+    }
+
+    @Override
+    protected Texture createTexture (FrameBufferTextureAttachmentSpec attachmentSpec) {
+        FloatTextureData data = new FloatTextureData(bufferBuilder.width, bufferBuilder.height, attachmentSpec.internalFormat,
+                attachmentSpec.format, attachmentSpec.type, attachmentSpec.isGpuOnly);
+        Texture result = new Texture(data);
+        result.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear);
+        result.setWrap(Texture.TextureWrap.ClampToEdge, Texture.TextureWrap.ClampToEdge);
+        return result;
+    }
+
+}