better mipmap handling

Author: emyfops

common/src/main/kotlin/com/lambda/graphics/renderer/gui/font/sdf/DistanceFieldTexture.kt

@@ -32,7 +32,7 @@ import java.awt.image.BufferedImage
  *
  * @param image Image data to upload
  */
-class DistanceFieldTexture(image: BufferedImage) : Texture(image) {
+class DistanceFieldTexture(image: BufferedImage) : Texture(image, levels = 0) {
     private val frame = CachedFrame(width, height).write {
         FrameBuffer.pipeline.use {
             val (pos1, pos2) = Vec2d.ZERO to Vec2d(width, height)

common/src/main/kotlin/com/lambda/graphics/texture/Texture.kt

@@ -20,12 +20,9 @@ package com.lambda.graphics.texture
 import com.lambda.graphics.texture.TextureUtils.bindTexture
 import com.lambda.graphics.texture.TextureUtils.readImage
 import com.lambda.graphics.texture.TextureUtils.setupTexture
-import com.lambda.module.modules.client.RenderSettings
-import org.lwjgl.opengl.GL11C
 import org.lwjgl.opengl.GL45C.*
 import java.awt.image.BufferedImage
 import java.lang.IllegalStateException
-import java.nio.ByteBuffer
 
 /**
  * Represents a texture that can be uploaded and bound to the graphics pipeline
@@ -77,9 +74,9 @@ open class Texture(
         initialized = true
 
         // Set this mipmap to `offset` to define the original texture
-        setupTexture(GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR)
         glTexImage2D(GL_TEXTURE_2D, offset, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, readImage(image))
-        glGenerateMipmap(GL_TEXTURE_2D) // This take the derived values GL_TEXTURE_BASE_LEVEL and GL_TEXTURE_MAX_LEVEL to generate the stack
+        setupTexture(GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR)
+        if (levels > 1) glGenerateMipmap(GL_TEXTURE_2D) // This take the derived values GL_TEXTURE_BASE_LEVEL and GL_TEXTURE_MAX_LEVEL to generate the stack
     }
 
     open fun update(image: BufferedImage, offset: Int = 0) {