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-rw-r--r--files/source/rotate_argb.cc128
1 files changed, 79 insertions, 49 deletions
diff --git a/files/source/rotate_argb.cc b/files/source/rotate_argb.cc
index 9c994467..787c0ad1 100644
--- a/files/source/rotate_argb.cc
+++ b/files/source/rotate_argb.cc
@@ -4,7 +4,7 @@
* 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
+ * in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
@@ -22,32 +22,41 @@ extern "C" {
// ARGBScale has a function to copy pixels to a row, striding each source
// pixel by a constant.
-#if !defined(YUV_DISABLE_ASM) && (defined(_M_IX86) || \
- defined(__x86_64__) || defined(__i386__))
+#if !defined(LIBYUV_DISABLE_X86) && \
+ (defined(_M_IX86) || \
+ (defined(__x86_64__) && !defined(__native_client__)) || defined(__i386__))
#define HAS_SCALEARGBROWDOWNEVEN_SSE2
void ScaleARGBRowDownEven_SSE2(const uint8* src_ptr, int src_stride,
- int src_stepx,
- uint8* dst_ptr, int dst_width);
+ int src_stepx, uint8* dst_ptr, int dst_width);
#endif
+#if !defined(LIBYUV_DISABLE_NEON) && !defined(__native_client__) && \
+ (defined(__ARM_NEON__) || defined(LIBYUV_NEON) || defined(__aarch64__))
+#define HAS_SCALEARGBROWDOWNEVEN_NEON
+void ScaleARGBRowDownEven_NEON(const uint8* src_ptr, int src_stride,
+ int src_stepx, uint8* dst_ptr, int dst_width);
+#endif
+
void ScaleARGBRowDownEven_C(const uint8* src_ptr, int,
- int src_stepx,
- uint8* dst_ptr, int dst_width);
+ int src_stepx, uint8* dst_ptr, int dst_width);
static void ARGBTranspose(const uint8* src, int src_stride,
- uint8* dst, int dst_stride,
- int width, int height) {
+ uint8* dst, int dst_stride, int width, int height) {
+ int i;
+ int src_pixel_step = src_stride >> 2;
void (*ScaleARGBRowDownEven)(const uint8* src_ptr, int src_stride,
int src_step, uint8* dst_ptr, int dst_width) = ScaleARGBRowDownEven_C;
#if defined(HAS_SCALEARGBROWDOWNEVEN_SSE2)
- if (TestCpuFlag(kCpuHasSSE2) &&
- IS_ALIGNED(height, 4) && // width of dest.
- IS_ALIGNED(dst, 16) && IS_ALIGNED(dst_stride, 16)) {
+ if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(height, 4)) { // Width of dest.
ScaleARGBRowDownEven = ScaleARGBRowDownEven_SSE2;
}
#endif
+#if defined(HAS_SCALEARGBROWDOWNEVEN_NEON)
+ if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(height, 4)) { // Width of dest.
+ ScaleARGBRowDownEven = ScaleARGBRowDownEven_NEON;
+ }
+#endif
- int src_pixel_step = src_stride / 4;
- for (int i = 0; i < width; ++i) { // column of source to row of dest.
+ for (i = 0; i < width; ++i) { // column of source to row of dest.
ScaleARGBRowDownEven(src, 0, src_pixel_step, dst, height);
dst += dst_stride;
src += 4;
@@ -55,8 +64,7 @@ static void ARGBTranspose(const uint8* src, int src_stride,
}
void ARGBRotate90(const uint8* src, int src_stride,
- uint8* dst, int dst_stride,
- int width, int height) {
+ uint8* dst, int dst_stride, int width, int height) {
// Rotate by 90 is a ARGBTranspose with the source read
// from bottom to top. So set the source pointer to the end
// of the buffer and flip the sign of the source stride.
@@ -66,8 +74,7 @@ void ARGBRotate90(const uint8* src, int src_stride,
}
void ARGBRotate270(const uint8* src, int src_stride,
- uint8* dst, int dst_stride,
- int width, int height) {
+ uint8* dst, int dst_stride, int width, int height) {
// Rotate by 270 is a ARGBTranspose with the destination written
// from bottom to top. So set the destination pointer to the end
// of the buffer and flip the sign of the destination stride.
@@ -77,60 +84,83 @@ void ARGBRotate270(const uint8* src, int src_stride,
}
void ARGBRotate180(const uint8* src, int src_stride,
- uint8* dst, int dst_stride,
- int width, int height) {
+ uint8* dst, int dst_stride, int width, int height) {
+ // Swap first and last row and mirror the content. Uses a temporary row.
+ align_buffer_64(row, width * 4);
+ const uint8* src_bot = src + src_stride * (height - 1);
+ uint8* dst_bot = dst + dst_stride * (height - 1);
+ int half_height = (height + 1) >> 1;
+ int y;
void (*ARGBMirrorRow)(const uint8* src, uint8* dst, int width) =
ARGBMirrorRow_C;
-#if defined(HAS_ARGBMIRRORROW_SSSE3)
- if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 4) &&
- IS_ALIGNED(src, 16) && IS_ALIGNED(src_stride, 16) &&
- IS_ALIGNED(dst, 16) && IS_ALIGNED(dst_stride, 16)) {
- ARGBMirrorRow = ARGBMirrorRow_SSSE3;
+ void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C;
+#if defined(HAS_ARGBMIRRORROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON)) {
+ ARGBMirrorRow = ARGBMirrorRow_Any_NEON;
+ if (IS_ALIGNED(width, 4)) {
+ ARGBMirrorRow = ARGBMirrorRow_NEON;
+ }
}
#endif
- void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C;
-#if defined(HAS_COPYROW_NEON)
- if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width * 4, 64)) {
- CopyRow = CopyRow_NEON;
+#if defined(HAS_ARGBMIRRORROW_SSE2)
+ if (TestCpuFlag(kCpuHasSSE2)) {
+ ARGBMirrorRow = ARGBMirrorRow_Any_SSE2;
+ if (IS_ALIGNED(width, 4)) {
+ ARGBMirrorRow = ARGBMirrorRow_SSE2;
+ }
}
#endif
-#if defined(HAS_COPYROW_X86)
- if (TestCpuFlag(kCpuHasX86)) {
- CopyRow = CopyRow_X86;
+#if defined(HAS_ARGBMIRRORROW_AVX2)
+ if (TestCpuFlag(kCpuHasAVX2)) {
+ ARGBMirrorRow = ARGBMirrorRow_Any_AVX2;
+ if (IS_ALIGNED(width, 8)) {
+ ARGBMirrorRow = ARGBMirrorRow_AVX2;
+ }
}
#endif
#if defined(HAS_COPYROW_SSE2)
- if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width * 4, 32) &&
- IS_ALIGNED(src, 16) && IS_ALIGNED(src_stride, 16) &&
- IS_ALIGNED(dst, 16) && IS_ALIGNED(dst_stride, 16)) {
- CopyRow = CopyRow_SSE2;
+ if (TestCpuFlag(kCpuHasSSE2)) {
+ CopyRow = IS_ALIGNED(width * 4, 32) ? CopyRow_SSE2 : CopyRow_Any_SSE2;
}
#endif
- if (width * 4 > kMaxStride) {
- return;
+#if defined(HAS_COPYROW_AVX)
+ if (TestCpuFlag(kCpuHasAVX)) {
+ CopyRow = IS_ALIGNED(width * 4, 64) ? CopyRow_AVX : CopyRow_Any_AVX;
}
- // Swap first and last row and mirror the content. Uses a temporary row.
- SIMD_ALIGNED(uint8 row[kMaxStride]);
- const uint8* src_bot = src + src_stride * (height - 1);
- uint8* dst_bot = dst + dst_stride * (height - 1);
- int half_height = (height + 1) >> 1;
+#endif
+#if defined(HAS_COPYROW_ERMS)
+ if (TestCpuFlag(kCpuHasERMS)) {
+ CopyRow = CopyRow_ERMS;
+ }
+#endif
+#if defined(HAS_COPYROW_NEON)
+ if (TestCpuFlag(kCpuHasNEON)) {
+ CopyRow = IS_ALIGNED(width * 4, 32) ? CopyRow_NEON : CopyRow_Any_NEON;
+ }
+#endif
+#if defined(HAS_COPYROW_MIPS)
+ if (TestCpuFlag(kCpuHasMIPS)) {
+ CopyRow = CopyRow_MIPS;
+ }
+#endif
+
// Odd height will harmlessly mirror the middle row twice.
- for (int y = 0; y < half_height; ++y) {
+ for (y = 0; y < half_height; ++y) {
ARGBMirrorRow(src, row, width); // Mirror first row into a buffer
- src += src_stride;
ARGBMirrorRow(src_bot, dst, width); // Mirror last row into first row
- dst += dst_stride;
CopyRow(row, dst_bot, width * 4); // Copy first mirrored row into last
+ src += src_stride;
+ dst += dst_stride;
src_bot -= src_stride;
dst_bot -= dst_stride;
}
+ free_aligned_buffer_64(row);
}
LIBYUV_API
int ARGBRotate(const uint8* src_argb, int src_stride_argb,
- uint8* dst_argb, int dst_stride_argb,
- int width, int height,
- RotationMode mode) {
+ uint8* dst_argb, int dst_stride_argb, int width, int height,
+ enum RotationMode mode) {
if (!src_argb || width <= 0 || height == 0 || !dst_argb) {
return -1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-22 23:50:02 +0000