Index: skia/sgl/SkFilterProc.h |
=================================================================== |
--- skia/sgl/SkFilterProc.h (revision 16859) |
+++ skia/sgl/SkFilterProc.h (working copy) |
@@ -1,144 +0,0 @@ |
-/* |
- * Copyright (C) 2006-2008 The Android Open Source Project |
- * |
- * Licensed under the Apache License, Version 2.0 (the "License"); |
- * you may not use this file except in compliance with the License. |
- * You may obtain a copy of the License at |
- * |
- * http://www.apache.org/licenses/LICENSE-2.0 |
- * |
- * Unless required by applicable law or agreed to in writing, software |
- * distributed under the License is distributed on an "AS IS" BASIS, |
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
- * See the License for the specific language governing permissions and |
- * limitations under the License. |
- */ |
- |
-#ifndef SkFilter_DEFINED |
-#define SkFilter_DEFINED |
- |
-#include "SkMath.h" |
-#include "SkFixed.h" |
- |
-typedef unsigned (*SkFilterProc)(unsigned x00, unsigned x01, |
- unsigned x10, unsigned x11); |
- |
-const SkFilterProc* SkGetBilinearFilterProcTable(); |
- |
-inline SkFilterProc SkGetBilinearFilterProc(const SkFilterProc* table, |
- SkFixed x, SkFixed y) |
-{ |
- SkASSERT(table); |
- |
- // convert to dot 2 |
- x = (unsigned)(x << 16) >> 30; |
- y = (unsigned)(y << 16) >> 30; |
- return table[(y << 2) | x]; |
-} |
- |
-inline SkFilterProc SkGetBilinearFilterProc22(const SkFilterProc* table, |
- unsigned x, unsigned y) |
-{ |
- SkASSERT(table); |
- |
- // extract low 2 bits |
- x = x << 30 >> 30; |
- y = y << 30 >> 30; |
- return table[(y << 2) | x]; |
-} |
- |
-inline const SkFilterProc* SkGetBilinearFilterProc22Row(const SkFilterProc* table, |
- unsigned y) |
-{ |
- SkASSERT(table); |
- // extract low 2 bits and shift up 2 |
- return &table[y << 30 >> 28]; |
-} |
- |
-inline SkFilterProc SkGetBilinearFilterProc22RowProc(const SkFilterProc* row, |
- unsigned x) |
-{ |
- SkASSERT(row); |
- // extract low 2 bits |
- return row[x << 30 >> 30]; |
-} |
- |
-/////////////////////////////////////////////////////////////////////////////// |
- |
-typedef unsigned (*SkFilter32Proc)(uint32_t x00, uint32_t x01, |
- uint32_t x10, uint32_t x11); |
- |
-const SkFilter32Proc* SkGetFilter32ProcTable(); |
- |
-inline SkFilter32Proc SkGetFilter32Proc22(const SkFilter32Proc* table, |
- unsigned x, unsigned y) |
-{ |
- SkASSERT(table); |
- |
- // extract low 2 bits |
- x = x << 30 >> 30; |
- y = y << 30 >> 30; |
- return table[(y << 2) | x]; |
-} |
- |
-inline const SkFilter32Proc* SkGetFilter32Proc22Row(const SkFilter32Proc* table, |
- unsigned y) |
-{ |
- SkASSERT(table); |
- // extract low 2 bits and shift up 2 |
- return &table[y << 30 >> 28]; |
-} |
- |
-inline SkFilter32Proc SkGetFilter32Proc22RowProc(const SkFilter32Proc* row, |
- unsigned x) |
-{ |
- SkASSERT(row); |
- // extract low 2 bits |
- return row[x << 30 >> 30]; |
-} |
- |
-/////////////////////////////////////////////////////////////////////////////// |
- |
-/** Special version of SkFilterProc. This takes the address of 4 ints, and combines them a byte at a |
- time. AABBCCDD. |
-*/ |
-typedef uint32_t (*SkFilterPtrProc)(const uint32_t*, const uint32_t*, const uint32_t*, const uint32_t*); |
- |
-const SkFilterPtrProc* SkGetBilinearFilterPtrProcTable(); |
-inline SkFilterPtrProc SkGetBilinearFilterPtrProc(const SkFilterPtrProc* table, SkFixed x, SkFixed y) |
-{ |
- SkASSERT(table); |
- |
- // convert to dot 2 |
- x = (unsigned)(x << 16) >> 30; |
- y = (unsigned)(y << 16) >> 30; |
- return table[(y << 2) | x]; |
-} |
- |
-/** Given a Y value, return a subset of the proc table for that value. |
- Pass this to SkGetBilinearFilterPtrXProc with the corresponding X value to get the |
- correct proc. |
-*/ |
-inline const SkFilterPtrProc* SkGetBilinearFilterPtrProcYTable(const SkFilterPtrProc* table, SkFixed y) |
-{ |
- SkASSERT(table); |
- |
- y = (unsigned)(y << 16) >> 30; |
- return table + (y << 2); |
-} |
- |
-/** Given a subtable returned by SkGetBilinearFilterPtrProcYTable(), return the proc for the |
- specified X value. |
-*/ |
-inline SkFilterPtrProc SkGetBilinearFilterPtrXProc(const SkFilterPtrProc* table, SkFixed x) |
-{ |
- SkASSERT(table); |
- |
- // convert to dot 2 |
- x = (unsigned)(x << 16) >> 30; |
- return table[x]; |
-} |
- |
-#endif |
- |
- |