1 files changed, 51 insertions, 0 deletions
diff --git a/vp8/decoder/x86/x86_dsystemdependent.c b/vp8/decoder/x86/x86_dsystemdependent.c
new file mode 100644
index 000000000..6d7cc3666
--- /dev/null
+++ b/vp8/decoder/x86/x86_dsystemdependent.c
@@ -0,0 +1,51 @@
+/*
+ *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license and patent
+ *  grant that can be found in the LICENSE file in the root of the source
+ *  tree. All contributing project authors may be found in the AUTHORS
+ *  file in the root of the source tree.
+ */
+
+
+#include "vpx_ports/config.h"
+#include "vpx_ports/x86.h"
+#include "onyxd_int.h"
+
+
+#if HAVE_MMX
+void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q);
+
+void vp8_dequantize_b_mmx(BLOCKD *d)
+{
+    short *sq = (short *) d->qcoeff;
+    short *dq = (short *) d->dqcoeff;
+    short *q = (short *) d->dequant;
+    vp8_dequantize_b_impl_mmx(sq, dq, q);
+}
+#endif
+
+void vp8_arch_x86_decode_init(VP8D_COMP *pbi)
+{
+    int flags = x86_simd_caps();
+
+    /* Note:
+     *
+     * This platform can be built without runtime CPU detection as well. If
+     * you modify any of the function mappings present in this file, be sure
+     * to also update them in static mapings (<arch>/filename_<arch>.h)
+     */
+#if CONFIG_RUNTIME_CPU_DETECT
+    /* Override default functions with fastest ones for this CPU. */
+#if HAVE_MMX
+
+    if (flags & HAS_MMX)
+    {
+        pbi->dequant.block   = vp8_dequantize_b_mmx;
+        pbi->dequant.idct    = vp8_dequant_idct_mmx;
+        pbi->dequant.idct_dc = vp8_dequant_dc_idct_mmx;
+    }
+
+#endif
+#endif
+}