Port SkTextureCompression opts to SkOpts

src/opts/SkTextureCompression_opts_arm.cpp

-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkTextureCompression_opts.h"
-#include "SkTextureCompression_opts_neon.h"
-#include "SkUtilsArm.h"
-
-SkTextureCompressor::CompressionProc
-SkTextureCompressorGetPlatformProc(SkColorType colorType, SkTextureCompressor::Format fmt) {
-#if SK_ARM_NEON_IS_NONE
-    return NULL;
-#else
-#if SK_ARM_NEON_IS_DYNAMIC
-    if (!sk_cpu_arm_has_neon()) {
-        return NULL;
-    }
-#endif
-    switch (colorType) {
-        case kAlpha_8_SkColorType:
-        {
-            switch (fmt) {
-                case SkTextureCompressor::kR11_EAC_Format:
-                    return CompressA8toR11EAC_NEON;
-                default:
-                    return NULL;
-            }
-        }
-        break;
-
-        default:
-            return NULL;
-    }
-#endif
-}
-
-bool SkTextureCompressorGetPlatformDims(SkTextureCompressor::Format fmt, int* dimX, int* dimY) {
-#if SK_ARM_NEON_IS_NONE
-    return false;
-#else
-#if SK_ARM_NEON_IS_DYNAMIC
-    if (!sk_cpu_arm_has_neon()) {
-        return false;
-    }
-#endif
-    switch (fmt) {
-        case SkTextureCompressor::kR11_EAC_Format:
-            *dimX = 16;
-            *dimY = 4;
-            return true;
-        default:
-            return false;
-    }
-    return false;
-#endif
-}