fix [2363362] [Sapphire] Corrupted raw picture displayed during snapshot
handled all cases where the scale factor of a video is out of bounds of
supported scale factors in copybit.
diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp
index 1dbfe34..091856f 100644
--- a/libs/surfaceflinger/LayerBuffer.cpp
+++ b/libs/surfaceflinger/LayerBuffer.cpp
@@ -503,6 +503,16 @@
int t = w; w = h; h = t;
}
+ // we're in the copybit case, so make sure we can handle this blit
+ // we don't have to keep the aspect ratio here
+ copybit_device_t* copybit = mLayer.mBlitEngine;
+ const int down = copybit->get(copybit, COPYBIT_MINIFICATION_LIMIT);
+ const int up = copybit->get(copybit, COPYBIT_MAGNIFICATION_LIMIT);
+ if (buffers.w > w*down) w = buffers.w / down;
+ else if (w > buffers.w*up) w = buffers.w*up;
+ if (buffers.h > h*down) h = buffers.h / down;
+ else if (h > buffers.h*up) h = buffers.h*up;
+
if (mTexture.image != EGL_NO_IMAGE_KHR) {
// we have an EGLImage, make sure the needed size didn't change
if (w!=mTexture.width || h!= mTexture.height) {
