Font rendering code runs but it sure ain't right

android/src/org/ppsspp/ppsspp/TextRenderer.java

@@ -18,10 +18,11 @@ public class TextRenderer {
 		Rect bound = new Rect();
 		p.setTextSize(textSize);
 		p.getTextBounds(string, 0, string.length(), bound);
+		float baseline = -p.ascent();
 		Bitmap bmp = Bitmap.createBitmap(bound.width(), bound.height(), Bitmap.Config.ARGB_4444);
 		Canvas canvas = new Canvas(bmp);
 		p.setColor(Color.WHITE);
-		canvas.drawText(string, 0, 0, p);
+		canvas.drawText(string, 0, baseline, p);
 
 		int bufSize = bmp.getRowBytes() * bmp.getHeight() * 2;  // 2 = sizeof(ARGB_4444)
 		ByteBuffer buf = ByteBuffer.allocate(bufSize);
@@ -37,7 +38,6 @@ public class TextRenderer {
 			int dstOffset = y * bound.width();
 			for (int x = 0; x < bound.width(); x++) {
 				int val = bytes[srcOffset + x * 2];
-				val = (val << 12) | 0xFFF;
 				output[dstOffset + x] = (short)val;
 			}
 		}

ext/native/gfx_es2/draw_text_android.cpp

@@ -135,7 +135,10 @@ void TextDrawerAndroid::DrawString(DrawBuffer &target, const char *str, float x,
 		jshort* jimage = env_->GetShortArrayElements(imageData, nullptr);
 		for (int x = 0; x < entry->bmWidth; x++) {
 			for (int y = 0; y < entry->bmHeight; y++) {
-				bitmapData[entry->bmWidth * y + x] = jimage[imageWidth * y + x];
+				int v = jimage[imageWidth * y + x];
+				v = (v << 4) | v;
+				v = (v << 8) | v;
+				bitmapData[entry->bmWidth * y + x] = v;
 			}
 		}
 		env_->ReleaseShortArrayElements(imageData, jimage, 0);

ext/native/thin3d/thin3d_vulkan.cpp

@@ -675,6 +675,9 @@ enum class TextureState {
 };
 
 bool VKTexture::Create(const TextureDesc &desc) {
+	// Zero-sized textures not allowed.
+	if (desc.width * desc.height * desc.depth == 0)
+		return false;
 	format_ = desc.format;
 	mipLevels_ = desc.mipLevels;
 	width_ = desc.width;