Cleanup OpenGL usage

Our bitmap/hwui may use vulkan ctx

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ReaderPageImageView.kt

@@ -28,7 +28,6 @@ import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView.Companion.E
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView.Companion.SCALE_TYPE_CENTER_INSIDE
 import com.github.chrisbanes.photoview.PhotoView
 import eu.kanade.tachiyomi.ui.reader.viewer.webtoon.WebtoonSubsamplingImageView
-import eu.kanade.tachiyomi.util.system.GLUtil
 import eu.kanade.tachiyomi.util.system.animatorDurationScale
 import eu.kanade.tachiyomi.util.view.isVisibleOnScreen
 import java.io.InputStream
@@ -220,7 +219,6 @@ open class ReaderPageImageView @JvmOverloads constructor(
         } else {
             SubsamplingScaleImageView(context)
         }.apply {
-            setMaxTileSize(GLUtil.maxTextureSize)
             setDoubleTapZoomStyle(SubsamplingScaleImageView.ZOOM_FOCUS_CENTER)
             setPanLimit(SubsamplingScaleImageView.PAN_LIMIT_INSIDE)
             setMinimumTileDpi(180)

app/src/main/java/eu/kanade/tachiyomi/util/system/GLUtil.kt

@@ -1,47 +0,0 @@
-package eu.kanade.tachiyomi.util.system
-
-import javax.microedition.khronos.egl.EGL10
-import javax.microedition.khronos.egl.EGLConfig
-import javax.microedition.khronos.egl.EGLContext
-import kotlin.math.max
-
-object GLUtil {
-    val maxTextureSize: Int by lazy {
-        // Get EGL Display
-        val egl = EGLContext.getEGL() as EGL10
-        val display = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY)
-
-        // Initialise
-        val version = IntArray(2)
-        egl.eglInitialize(display, version)
-
-        // Query total number of configurations
-        val totalConfigurations = IntArray(1)
-        egl.eglGetConfigs(display, null, 0, totalConfigurations)
-
-        // Query actual list configurations
-        val configurationsList = arrayOfNulls<EGLConfig>(totalConfigurations[0])
-        egl.eglGetConfigs(display, configurationsList, totalConfigurations[0], totalConfigurations)
-
-        val textureSize = IntArray(1)
-        var maximumTextureSize = 0
-
-        // Iterate through all the configurations to located the maximum texture size
-        for (i in 0 until totalConfigurations[0]) {
-            // Only need to check for width since opengl textures are always squared
-            egl.eglGetConfigAttrib(display, configurationsList[i], EGL10.EGL_MAX_PBUFFER_WIDTH, textureSize)
-
-            // Keep track of the maximum texture size
-            if (maximumTextureSize < textureSize[0]) maximumTextureSize = textureSize[0]
-        }
-
-        // Release
-        egl.eglTerminate(display)
-
-        // Return largest texture size found, or default
-        max(maximumTextureSize, IMAGE_MAX_BITMAP_DIMENSION)
-    }
-}
-
-// Safe minimum default size
-private const val IMAGE_MAX_BITMAP_DIMENSION = 2048