core/image: Flip ASTC decoded images.

Fixes: #1020
google · Aug 30, 2017 · b9cbd55 · b9cbd55
1 parent 0cab83e
commit b9cbd55
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diff --git a/core/image/astc/astc.cc b/core/image/astc/astc.cc
@@ -66,7 +66,7 @@ extern "C" void decompress_astc(
 
             const float* data = pb.orig_data;
             for (uint32_t dy = 0; dy < block_height; dy++) {
-                uint32_t y = (height-1) - (by*block_height + dy);
+                uint32_t y = by*block_height + dy;
                 for (uint32_t dx = 0; dx < block_width; dx++) {
                     uint32_t x = bx*block_width + dx;
                     if (x < width && y < height) {

diff --git a/core/image/test_data/ASTC_RGBA_4x4.astc b/core/image/test_data/ASTC_RGBA_4x4.astc
diff --git a/core/image/test_data/ASTC_RGBA_4x4.png b/core/image/test_data/ASTC_RGBA_4x4.png