studiorailgun/Renderer
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

use stbimage instead of imageio
Some checks reported errors
studiorailgun/Renderer/pipeline/head Something is wrong with the build of this commit
Details

Browse Source
This commit is contained in:
austin 2024-08-29 14:40:36 -04:00
parent e6934c83d0
commit 04b48c0c3b
1 changed files with 18 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
src/main/java/electrosphere/renderer/texture/Texture.java
View File

@ -5,13 +5,17 @@ import electrosphere.logger.LoggerInterface;
import electrosphere.renderer.OpenGLState;
import electrosphere.renderer.RenderingEngine;
import electrosphere.util.FileUtils;
import java.awt.Color;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.nio.ByteBuffer;
import javax.imageio.ImageIO;
import java.nio.IntBuffer;
import org.lwjgl.BufferUtils;
import org.lwjgl.opengl.GL40;
import org.lwjgl.stb.STBImage;
import org.lwjgl.system.MemoryStack;
import org.lwjgl.system.MemoryUtil;
import static org.lwjgl.opengl.GL11.*;
@ -165,54 +169,23 @@ public class Texture {
ByteBuffer data;
width = 1;
height = 1;
try {
BufferedImage image_data = ImageIO.read(FileUtils.getAssetFile(path));
try(MemoryStack stack = MemoryStack.stackPush()) {
//read
LoggerInterface.loggerRenderer.DEBUG("Read image");
//
//transparency check
if (
image_data.getType() == BufferedImage.TYPE_3BYTE_BGR ||
image_data.getType() == BufferedImage.TYPE_INT_RGB
){
hasTransparency = false;
} else if(
image_data.getType() == BufferedImage.TYPE_4BYTE_ABGR ||
image_data.getType() == BufferedImage.TYPE_INT_ARGB
){
hasTransparency = true;
IntBuffer xBuf = stack.mallocInt(1);
IntBuffer yBuf = stack.mallocInt(1);
IntBuffer chanBuf = stack.mallocInt(1);
data = STBImage.stbi_load(FileUtils.getAssetFile(path).getAbsolutePath(), xBuf, yBuf, chanBuf, 4);
if(data == null || data.limit() < 2){
throw new IOException("Failed to read " + FileUtils.getAssetFile(path).getAbsolutePath());
}
//
//create buffer
width = image_data.getWidth();
height = image_data.getHeight();
if(hasTransparency){
data = BufferUtils.createByteBuffer(width * height * 4);
} else {
data = BufferUtils.createByteBuffer(width * height * 3);
}
//
//error check
if(data == null){
throw new IllegalStateException("Failed to allocate buffer for texture");
}
//
//buffer data
for(int y = height - 1; y > -1; y--){
for(int x = 0; x < width; x++){
Color temp = new Color(image_data.getRGB(x, y), hasTransparency);
data.put((byte)temp.getRed());
data.put((byte)temp.getGreen());
data.put((byte)temp.getBlue());
if(hasTransparency){
data.put((byte)temp.getAlpha());
}
}
}
//grab values from read data
width = xBuf.get();
height = yBuf.get();
this.hasTransparency = true;
} catch (IOException ex) {
LoggerInterface.loggerRenderer.DEBUG("Failed to read image");
ex.printStackTrace();
@ -224,7 +197,6 @@ public class Texture {
}
LoggerInterface.loggerRenderer.DEBUG("Flip buffer");
data.flip();
//call if width != height so opengl figures out how to unpack it properly
if(width != height){