dst[1] = TAG(etc1_clamp)(base_color[1], modifier);
dst[2] = TAG(etc1_clamp)(base_color[2], modifier);
}
+
+static void
+etc1_unpack_rgba8888(uint8_t *dst_row,
+ unsigned dst_stride,
+ const uint8_t *src_row,
+ unsigned src_stride,
+ unsigned width,
+ unsigned height)
+{
+ const unsigned bw = 4, bh = 4, bs = 8, comps = 4;
+ struct etc1_block block;
+ unsigned x, y, i, j;
+
+ for (y = 0; y < height; y += bh) {
+ const uint8_t *src = src_row;
+
+ for (x = 0; x < width; x+= bw) {
+ etc1_parse_block(&block, src);
+
+ for (j = 0; j < MIN2(bh, height - y); j++) {
+ uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
+ for (i = 0; i < MIN2(bw, width - x); i++) {
+ etc1_fetch_texel(&block, i, j, dst);
+ dst[3] = 255;
+ dst += comps;
+ }
+ }
+
+ src += bs;
+ }
+
+ src_row += src_stride;
+ }
+}