Use correct internal format for WebGL 565/5551/RGBA4 formats (#7493)

liamdon · web-flow · commit 6fe52a3e75d8 · 2025-03-31T09:28:22.000+01:00
diff --git a/src/platform/graphics/webgl/webgl-texture.js b/src/platform/graphics/webgl/webgl-texture.js
@@ -144,17 +144,17 @@ class WebglTexture {
                 break;
             case PIXELFORMAT_RGB565:
                 this._glFormat = gl.RGB;
-                this._glInternalFormat = gl.RGB;
+                this._glInternalFormat = gl.RGB565;
                 this._glPixelType = gl.UNSIGNED_SHORT_5_6_5;
                 break;
             case PIXELFORMAT_RGBA5551:
                 this._glFormat = gl.RGBA;
-                this._glInternalFormat = gl.RGBA;
+                this._glInternalFormat = gl.RGB5_A1;
                 this._glPixelType = gl.UNSIGNED_SHORT_5_5_5_1;
                 break;
             case PIXELFORMAT_RGBA4:
                 this._glFormat = gl.RGBA;
-                this._glInternalFormat = gl.RGBA;
+                this._glInternalFormat = gl.RGBA4;
                 this._glPixelType = gl.UNSIGNED_SHORT_4_4_4_4;
                 break;
             case PIXELFORMAT_RGB8:
