vpx/vp9/encoder/vp9_sad_c.c
Jingning Han aaf33d7df5 Add rectangular block size variance/sad functions.
With this, the RD loop properly supports rectangular blocks.

Change-Id: Iece79048fb4e84741ee1ada982da129a7bf00470
2013-04-15 13:39:07 -07:00

585 lines
25 KiB
C

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stdlib.h>
#include "vp9/common/vp9_sadmxn.h"
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
#include "./vp9_rtcd.h"
unsigned int vp9_sad64x64_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 64, 64);
}
#if CONFIG_SBSEGMENT
unsigned int vp9_sad64x32_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 64, 32);
}
void vp9_sad64x32x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad64x32(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad64x32(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad64x32(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad64x32(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
unsigned int vp9_sad32x64_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 32, 64);
}
void vp9_sad32x64x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad32x64(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad32x64(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad32x64(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad32x64(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
#endif
unsigned int vp9_sad32x32_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 32, 32);
}
#if CONFIG_SBSEGMENT
unsigned int vp9_sad32x16_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 32, 16);
}
void vp9_sad32x16x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad32x16(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad32x16(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad32x16(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad32x16(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
unsigned int vp9_sad16x32_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 16, 32);
}
void vp9_sad16x32x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad16x32(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad16x32(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad16x32(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad16x32(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
#endif
unsigned int vp9_sad16x16_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 16, 16);
}
unsigned int vp9_sad8x8_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 8);
}
unsigned int vp9_sad16x8_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 16, 8);
}
unsigned int vp9_sad8x16_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 16);
}
unsigned int vp9_sad4x4_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int max_sad) {
return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 4, 4);
}
void vp9_sad64x64x3_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad64x64(src_ptr, src_stride, ref_ptr, ref_stride,
0x7fffffff);
sad_array[1] = vp9_sad64x64(src_ptr, src_stride, ref_ptr + 1, ref_stride,
0x7fffffff);
sad_array[2] = vp9_sad64x64(src_ptr, src_stride, ref_ptr + 2, ref_stride,
0x7fffffff);
}
void vp9_sad32x32x3_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr, ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp9_sad64x64x8_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr, ref_stride,
0x7fffffff);
sad_array[1] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr + 1, ref_stride,
0x7fffffff);
sad_array[2] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr + 2, ref_stride,
0x7fffffff);
sad_array[3] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr + 3, ref_stride,
0x7fffffff);
sad_array[4] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr + 4, ref_stride,
0x7fffffff);
sad_array[5] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr + 5, ref_stride,
0x7fffffff);
sad_array[6] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr + 6, ref_stride,
0x7fffffff);
sad_array[7] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr + 7, ref_stride,
0x7fffffff);
}
void vp9_sad32x32x8_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr, ref_stride,
0x7fffffff);
sad_array[1] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr + 1, ref_stride,
0x7fffffff);
sad_array[2] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr + 2, ref_stride,
0x7fffffff);
sad_array[3] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr + 3, ref_stride,
0x7fffffff);
sad_array[4] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr + 4, ref_stride,
0x7fffffff);
sad_array[5] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr + 5, ref_stride,
0x7fffffff);
sad_array[6] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr + 6, ref_stride,
0x7fffffff);
sad_array[7] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr + 7, ref_stride,
0x7fffffff);
}
void vp9_sad16x16x3_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr, ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp9_sad16x16x8_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
uint32_t *sad_array) {
sad_array[0] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr, ref_stride,
0x7fffffff);
sad_array[1] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr + 1, ref_stride,
0x7fffffff);
sad_array[2] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr + 2, ref_stride,
0x7fffffff);
sad_array[3] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr + 3, ref_stride,
0x7fffffff);
sad_array[4] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr + 4, ref_stride,
0x7fffffff);
sad_array[5] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr + 5, ref_stride,
0x7fffffff);
sad_array[6] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr + 6, ref_stride,
0x7fffffff);
sad_array[7] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr + 7, ref_stride,
0x7fffffff);
}
void vp9_sad16x8x3_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr, ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp9_sad16x8x8_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
uint32_t *sad_array) {
sad_array[0] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr, ref_stride,
0x7fffffff);
sad_array[1] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr + 1, ref_stride,
0x7fffffff);
sad_array[2] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr + 2, ref_stride,
0x7fffffff);
sad_array[3] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr + 3, ref_stride,
0x7fffffff);
sad_array[4] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr + 4, ref_stride,
0x7fffffff);
sad_array[5] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr + 5, ref_stride,
0x7fffffff);
sad_array[6] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr + 6, ref_stride,
0x7fffffff);
sad_array[7] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr + 7, ref_stride,
0x7fffffff);
}
void vp9_sad8x8x3_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr, ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp9_sad8x8x8_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
uint32_t *sad_array) {
sad_array[0] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr, ref_stride,
0x7fffffff);
sad_array[1] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr + 1, ref_stride,
0x7fffffff);
sad_array[2] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr + 2, ref_stride,
0x7fffffff);
sad_array[3] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr + 3, ref_stride,
0x7fffffff);
sad_array[4] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr + 4, ref_stride,
0x7fffffff);
sad_array[5] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr + 5, ref_stride,
0x7fffffff);
sad_array[6] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr + 6, ref_stride,
0x7fffffff);
sad_array[7] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr + 7, ref_stride,
0x7fffffff);
}
void vp9_sad8x16x3_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr, ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp9_sad8x16x8_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
uint32_t *sad_array) {
sad_array[0] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr, ref_stride,
0x7fffffff);
sad_array[1] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr + 1, ref_stride,
0x7fffffff);
sad_array[2] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr + 2, ref_stride,
0x7fffffff);
sad_array[3] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr + 3, ref_stride,
0x7fffffff);
sad_array[4] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr + 4, ref_stride,
0x7fffffff);
sad_array[5] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr + 5, ref_stride,
0x7fffffff);
sad_array[6] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr + 6, ref_stride,
0x7fffffff);
sad_array[7] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr + 7, ref_stride,
0x7fffffff);
}
void vp9_sad4x4x3_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr, ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr + 1, ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr + 2, ref_stride, 0x7fffffff);
}
void vp9_sad4x4x8_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
uint32_t *sad_array) {
sad_array[0] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr, ref_stride,
0x7fffffff);
sad_array[1] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr + 1, ref_stride,
0x7fffffff);
sad_array[2] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr + 2, ref_stride,
0x7fffffff);
sad_array[3] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr + 3, ref_stride,
0x7fffffff);
sad_array[4] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr + 4, ref_stride,
0x7fffffff);
sad_array[5] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr + 5, ref_stride,
0x7fffffff);
sad_array[6] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr + 6, ref_stride,
0x7fffffff);
sad_array[7] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr + 7, ref_stride,
0x7fffffff);
}
void vp9_sad64x64x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad64x64(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp9_sad32x32x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad32x32(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp9_sad16x16x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad16x16(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp9_sad16x8x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad16x8(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp9_sad8x8x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad8x8(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp9_sad8x16x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad8x16(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}
void vp9_sad4x4x4d_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t* const ref_ptr[],
int ref_stride,
unsigned int *sad_array) {
sad_array[0] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr[0], ref_stride, 0x7fffffff);
sad_array[1] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr[1], ref_stride, 0x7fffffff);
sad_array[2] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr[2], ref_stride, 0x7fffffff);
sad_array[3] = vp9_sad4x4(src_ptr, src_stride,
ref_ptr[3], ref_stride, 0x7fffffff);
}