From f10f1165a7c2ea88ce7bb265d51b52eeaa64d8f8 Mon Sep 17 00:00:00 2001 From: Wyvest <45589059+Wyvest@users.noreply.github.com> Date: Sat, 16 Apr 2022 12:33:00 +0900 Subject: nanovg optimizations + image renderer --- .../io/polyfrost/oneconfig/lwjgl/image/Image.java | 20 +++++++++++ .../oneconfig/lwjgl/image/ImageLoader.java | 39 ++++++++++++++++++++++ 2 files changed, 59 insertions(+) create mode 100644 src/main/java/io/polyfrost/oneconfig/lwjgl/image/Image.java create mode 100644 src/main/java/io/polyfrost/oneconfig/lwjgl/image/ImageLoader.java (limited to 'src/main/java/io/polyfrost/oneconfig/lwjgl/image') diff --git a/src/main/java/io/polyfrost/oneconfig/lwjgl/image/Image.java b/src/main/java/io/polyfrost/oneconfig/lwjgl/image/Image.java new file mode 100644 index 0000000..2ed7276 --- /dev/null +++ b/src/main/java/io/polyfrost/oneconfig/lwjgl/image/Image.java @@ -0,0 +1,20 @@ +package io.polyfrost.oneconfig.lwjgl.image; + +import java.nio.ByteBuffer; + +public class Image { + private final int reference; + private final ByteBuffer buffer; + public Image(int reference, ByteBuffer buffer) { + this.reference = reference; + this.buffer = buffer; + } + + public ByteBuffer getBuffer() { + return buffer; + } + + public int getReference() { + return reference; + } +} diff --git a/src/main/java/io/polyfrost/oneconfig/lwjgl/image/ImageLoader.java b/src/main/java/io/polyfrost/oneconfig/lwjgl/image/ImageLoader.java new file mode 100644 index 0000000..b0cb6d4 --- /dev/null +++ b/src/main/java/io/polyfrost/oneconfig/lwjgl/image/ImageLoader.java @@ -0,0 +1,39 @@ +package io.polyfrost.oneconfig.lwjgl.image; + +import io.polyfrost.oneconfig.lwjgl.IOUtil; +import org.lwjgl.nanovg.NanoVG; +import org.lwjgl.stb.STBImage; + +import java.nio.ByteBuffer; +import java.util.HashMap; + +public class ImageLoader { + private final HashMap imageHashMap = new HashMap<>(); + public static ImageLoader INSTANCE = new ImageLoader(); + + public boolean loadImage(long vg, String fileName) { + if (!imageHashMap.containsKey(fileName)) { + int[] width = {0}; + int[] height = {0}; + int[] channels = {0}; + + ByteBuffer image = IOUtil.resourceToByteBufferNullable(fileName); + if (image == null) { + return false; + } + + ByteBuffer buffer = STBImage.stbi_load_from_memory(image, width, height, channels, 4); + if (buffer == null) { + return false; + } + + imageHashMap.put(fileName, new Image(NanoVG.nvgCreateImageRGBA(vg, width[0], height[0], NanoVG.NVG_IMAGE_REPEATX | NanoVG.NVG_IMAGE_REPEATY | NanoVG.NVG_IMAGE_GENERATE_MIPMAPS, buffer), buffer)); + return true; + } + return true; + } + + public Image getImage(String fileName) { + return imageHashMap.get(fileName); + } +} -- cgit