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gecko-dev/gfx/ycbcr/convert.patch

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diff --git a/gfx/ycbcr/yuv_convert.cpp b/gfx/ycbcr/yuv_convert.cpp
--- a/gfx/ycbcr/yuv_convert.cpp
+++ b/gfx/ycbcr/yuv_convert.cpp
@@ -6,145 +6,102 @@
// http://www.fourcc.org/yuv.php
// The actual conversion is best described here
// http://en.wikipedia.org/wiki/YUV
// An article on optimizing YUV conversion using tables instead of multiplies
// http://lestourtereaux.free.fr/papers/data/yuvrgb.pdf
//
// YV12 is a full plane of Y and a half height, half width chroma planes
// YV16 is a full plane of Y and a full height, half width chroma planes
+// YV24 is a full plane of Y and a full height, full width chroma planes
//
// ARGB pixel format is output, which on little endian is stored as BGRA.
// The alpha is set to 255, allowing the application to use RGBA or RGB32.
-#include "media/base/yuv_convert.h"
+#include "yuv_convert.h"
// Header for low level row functions.
-#include "media/base/yuv_row.h"
-
-#if USE_MMX
-#if defined(_MSC_VER)
-#include <intrin.h>
-#else
-#include <mmintrin.h>
-#endif
-#endif
-
-#if USE_SSE2
-#include <emmintrin.h>
-#endif
-
-namespace media {
-
+#include "yuv_row.h"
+#include "mozilla/SSE.h"
+
+namespace mozilla {
+
+namespace gfx {
+
// 16.16 fixed point arithmetic
const int kFractionBits = 16;
const int kFractionMax = 1 << kFractionBits;
const int kFractionMask = ((1 << kFractionBits) - 1);
// Convert a frame of YUV to 32 bit ARGB.
-void ConvertYUVToRGB32(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int height,
- int y_pitch,
- int uv_pitch,
- int rgb_pitch,
- YUVType yuv_type) {
- unsigned int y_shift = yuv_type;
- for (int y = 0; y < height; ++y) {
- uint8* rgb_row = rgb_buf + y * rgb_pitch;
- const uint8* y_ptr = y_buf + y * y_pitch;
- const uint8* u_ptr = u_buf + (y >> y_shift) * uv_pitch;
- const uint8* v_ptr = v_buf + (y >> y_shift) * uv_pitch;
-
- FastConvertYUVToRGB32Row(y_ptr,
- u_ptr,
- v_ptr,
- rgb_row,
- width);
- }
+NS_GFX_(void) ConvertYCbCrToRGB32(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int pic_x,
+ int pic_y,
+ int pic_width,
+ int pic_height,
+ int y_pitch,
+ int uv_pitch,
+ int rgb_pitch,
+ YUVType yuv_type) {
+ unsigned int y_shift = yuv_type == YV12 ? 1 : 0;
+ unsigned int x_shift = yuv_type == YV24 ? 0 : 1;
+ // Test for SSE because the optimized code uses movntq, which is not part of MMX.
+ bool has_sse = supports_mmx() && supports_sse();
+ // There is no optimized YV24 SSE routine so we check for this and
+ // fall back to the C code.
+ has_sse &= yuv_type != YV24;
+ bool odd_pic_x = yuv_type != YV24 && pic_x % 2 != 0;
+ int x_width = odd_pic_x ? pic_width - 1 : pic_width;
+
+ for (int y = pic_y; y < pic_height + pic_y; ++y) {
+ uint8* rgb_row = rgb_buf + (y - pic_y) * rgb_pitch;
+ const uint8* y_ptr = y_buf + y * y_pitch + pic_x;
+ const uint8* u_ptr = u_buf + (y >> y_shift) * uv_pitch + (pic_x >> x_shift);
+ const uint8* v_ptr = v_buf + (y >> y_shift) * uv_pitch + (pic_x >> x_shift);
+
+ if (odd_pic_x) {
+ // Handle the single odd pixel manually and use the
+ // fast routines for the remaining.
+ FastConvertYUVToRGB32Row_C(y_ptr++,
+ u_ptr++,
+ v_ptr++,
+ rgb_row,
+ 1,
+ x_shift);
+ rgb_row += 4;
+ }
+
+ if (has_sse) {
+ FastConvertYUVToRGB32Row(y_ptr,
+ u_ptr,
+ v_ptr,
+ rgb_row,
+ x_width);
+ }
+ else {
+ FastConvertYUVToRGB32Row_C(y_ptr,
+ u_ptr,
+ v_ptr,
+ rgb_row,
+ x_width,
+ x_shift);
+ }
+ }
// MMX used for FastConvertYUVToRGB32Row requires emms instruction.
- EMMS();
-}
-
-#if USE_SSE2
-// FilterRows combines two rows of the image using linear interpolation.
-// SSE2 version does 16 pixels at a time
-
-static void FilterRows(uint8* ybuf, const uint8* y0_ptr, const uint8* y1_ptr,
- int source_width, int source_y_fraction) {
- __m128i zero = _mm_setzero_si128();
- __m128i y1_fraction = _mm_set1_epi16(source_y_fraction);
- __m128i y0_fraction = _mm_set1_epi16(256 - source_y_fraction);
-
- const __m128i* y0_ptr128 = reinterpret_cast<const __m128i*>(y0_ptr);
- const __m128i* y1_ptr128 = reinterpret_cast<const __m128i*>(y1_ptr);
- __m128i* dest128 = reinterpret_cast<__m128i*>(ybuf);
- __m128i* end128 = reinterpret_cast<__m128i*>(ybuf + source_width);
-
- do {
- __m128i y0 = _mm_loadu_si128(y0_ptr128);
- __m128i y1 = _mm_loadu_si128(y1_ptr128);
- __m128i y2 = _mm_unpackhi_epi8(y0, zero);
- __m128i y3 = _mm_unpackhi_epi8(y1, zero);
- y0 = _mm_unpacklo_epi8(y0, zero);
- y1 = _mm_unpacklo_epi8(y1, zero);
- y0 = _mm_mullo_epi16(y0, y0_fraction);
- y1 = _mm_mullo_epi16(y1, y1_fraction);
- y2 = _mm_mullo_epi16(y2, y0_fraction);
- y3 = _mm_mullo_epi16(y3, y1_fraction);
- y0 = _mm_add_epi16(y0, y1);
- y2 = _mm_add_epi16(y2, y3);
- y0 = _mm_srli_epi16(y0, 8);
- y2 = _mm_srli_epi16(y2, 8);
- y0 = _mm_packus_epi16(y0, y2);
- *dest128++ = y0;
- ++y0_ptr128;
- ++y1_ptr128;
- } while (dest128 < end128);
-}
-#elif USE_MMX
-// MMX version does 8 pixels at a time
-static void FilterRows(uint8* ybuf, const uint8* y0_ptr, const uint8* y1_ptr,
- int source_width, int source_y_fraction) {
- __m64 zero = _mm_setzero_si64();
- __m64 y1_fraction = _mm_set1_pi16(source_y_fraction);
- __m64 y0_fraction = _mm_set1_pi16(256 - source_y_fraction);
-
- const __m64* y0_ptr64 = reinterpret_cast<const __m64*>(y0_ptr);
- const __m64* y1_ptr64 = reinterpret_cast<const __m64*>(y1_ptr);
- __m64* dest64 = reinterpret_cast<__m64*>(ybuf);
- __m64* end64 = reinterpret_cast<__m64*>(ybuf + source_width);
-
- do {
- __m64 y0 = *y0_ptr64++;
- __m64 y1 = *y1_ptr64++;
- __m64 y2 = _mm_unpackhi_pi8(y0, zero);
- __m64 y3 = _mm_unpackhi_pi8(y1, zero);
- y0 = _mm_unpacklo_pi8(y0, zero);
- y1 = _mm_unpacklo_pi8(y1, zero);
- y0 = _mm_mullo_pi16(y0, y0_fraction);
- y1 = _mm_mullo_pi16(y1, y1_fraction);
- y2 = _mm_mullo_pi16(y2, y0_fraction);
- y3 = _mm_mullo_pi16(y3, y1_fraction);
- y0 = _mm_add_pi16(y0, y1);
- y2 = _mm_add_pi16(y2, y3);
- y0 = _mm_srli_pi16(y0, 8);
- y2 = _mm_srli_pi16(y2, 8);
- y0 = _mm_packs_pu16(y0, y2);
- *dest64++ = y0;
- } while (dest64 < end64);
-}
-#else // no MMX or SSE2
+ if (has_sse)
+ EMMS();
+}
+
// C version does 8 at a time to mimic MMX code
-static void FilterRows(uint8* ybuf, const uint8* y0_ptr, const uint8* y1_ptr,
- int source_width, int source_y_fraction) {
+static void FilterRows_C(uint8* ybuf, const uint8* y0_ptr, const uint8* y1_ptr,
+ int source_width, int source_y_fraction) {
int y1_fraction = source_y_fraction;
int y0_fraction = 256 - y1_fraction;
uint8* end = ybuf + source_width;
do {
ybuf[0] = (y0_ptr[0] * y0_fraction + y1_ptr[0] * y1_fraction) >> 8;
ybuf[1] = (y0_ptr[1] * y0_fraction + y1_ptr[1] * y1_fraction) >> 8;
ybuf[2] = (y0_ptr[2] * y0_fraction + y1_ptr[2] * y1_fraction) >> 8;
ybuf[3] = (y0_ptr[3] * y0_fraction + y1_ptr[3] * y1_fraction) >> 8;
@@ -152,46 +140,77 @@ static void FilterRows(uint8* ybuf, cons
ybuf[5] = (y0_ptr[5] * y0_fraction + y1_ptr[5] * y1_fraction) >> 8;
ybuf[6] = (y0_ptr[6] * y0_fraction + y1_ptr[6] * y1_fraction) >> 8;
ybuf[7] = (y0_ptr[7] * y0_fraction + y1_ptr[7] * y1_fraction) >> 8;
y0_ptr += 8;
y1_ptr += 8;
ybuf += 8;
} while (ybuf < end);
}
-#endif
+
+#ifdef MOZILLA_MAY_SUPPORT_MMX
+void FilterRows_MMX(uint8* ybuf, const uint8* y0_ptr, const uint8* y1_ptr,
+ int source_width, int source_y_fraction);
+#endif
+
+#ifdef MOZILLA_MAY_SUPPORT_SSE2
+void FilterRows_SSE2(uint8* ybuf, const uint8* y0_ptr, const uint8* y1_ptr,
+ int source_width, int source_y_fraction);
+#endif
+
+static inline void FilterRows(uint8* ybuf, const uint8* y0_ptr,
+ const uint8* y1_ptr, int source_width,
+ int source_y_fraction) {
+#ifdef MOZILLA_MAY_SUPPORT_SSE2
+ if (mozilla::supports_sse2()) {
+ FilterRows_SSE2(ybuf, y0_ptr, y1_ptr, source_width, source_y_fraction);
+ return;
+ }
+#endif
+
+#ifdef MOZILLA_MAY_SUPPORT_MMX
+ if (mozilla::supports_mmx()) {
+ FilterRows_MMX(ybuf, y0_ptr, y1_ptr, source_width, source_y_fraction);
+ return;
+ }
+#endif
+
+ FilterRows_C(ybuf, y0_ptr, y1_ptr, source_width, source_y_fraction);
+}
// Scale a frame of YUV to 32 bit ARGB.
-void ScaleYUVToRGB32(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int source_width,
- int source_height,
- int width,
- int height,
- int y_pitch,
- int uv_pitch,
- int rgb_pitch,
- YUVType yuv_type,
- Rotate view_rotate,
- ScaleFilter filter) {
+NS_GFX_(void) ScaleYCbCrToRGB32(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int source_width,
+ int source_height,
+ int width,
+ int height,
+ int y_pitch,
+ int uv_pitch,
+ int rgb_pitch,
+ YUVType yuv_type,
+ Rotate view_rotate,
+ ScaleFilter filter) {
+ bool has_mmx = supports_mmx();
+
// 4096 allows 3 buffers to fit in 12k.
// Helps performance on CPU with 16K L1 cache.
// Large enough for 3830x2160 and 30" displays which are 2560x1600.
const int kFilterBufferSize = 4096;
// Disable filtering if the screen is too big (to avoid buffer overflows).
// This should never happen to regular users: they don't have monitors
// wider than 4096 pixels.
// TODO(fbarchard): Allow rotated videos to filter.
if (source_width > kFilterBufferSize || view_rotate)
filter = FILTER_NONE;
- unsigned int y_shift = yuv_type;
+ unsigned int y_shift = yuv_type == YV12 ? 1 : 0;
// Diagram showing origin and direction of source sampling.
// ->0 4<-
// 7 3
//
// 6 5
// ->1 2<-
// Rotations that start at right side of image.
if ((view_rotate == ROTATE_180) ||
@@ -276,17 +295,17 @@ void ScaleYUVToRGB32(const uint8* y_buf,
int source_uv_fraction =
((source_y_subpixel >> y_shift) & kFractionMask) >> 8;
const uint8* y_ptr = y0_ptr;
const uint8* u_ptr = u0_ptr;
const uint8* v_ptr = v0_ptr;
// Apply vertical filtering if necessary.
// TODO(fbarchard): Remove memcpy when not necessary.
- if (filter & media::FILTER_BILINEAR_V) {
+ if (filter & mozilla::gfx::FILTER_BILINEAR_V) {
if (yscale_fixed != kFractionMax &&
source_y_fraction && ((source_y + 1) < source_height)) {
FilterRows(ybuf, y0_ptr, y1_ptr, source_width, source_y_fraction);
} else {
memcpy(ybuf, y0_ptr, source_width);
}
y_ptr = ybuf;
ybuf[source_width] = ybuf[source_width-1];
@@ -303,44 +322,50 @@ void ScaleYUVToRGB32(const uint8* y_buf,
u_ptr = ubuf;
v_ptr = vbuf;
ubuf[uv_source_width] = ubuf[uv_source_width - 1];
vbuf[uv_source_width] = vbuf[uv_source_width - 1];
}
if (source_dx == kFractionMax) { // Not scaled
FastConvertYUVToRGB32Row(y_ptr, u_ptr, v_ptr,
dest_pixel, width);
- } else {
- if (filter & FILTER_BILINEAR_H) {
+ } else if (filter & FILTER_BILINEAR_H) {
LinearScaleYUVToRGB32Row(y_ptr, u_ptr, v_ptr,
dest_pixel, width, source_dx);
} else {
// Specialized scalers and rotation.
-#if USE_MMX && defined(_MSC_VER)
+#if defined(MOZILLA_MAY_SUPPORT_SSE) && defined(_MSC_VER) && defined(_M_IX86)
+ if(mozilla::supports_sse()) {
if (width == (source_width * 2)) {
- DoubleYUVToRGB32Row(y_ptr, u_ptr, v_ptr,
- dest_pixel, width);
+ DoubleYUVToRGB32Row_SSE(y_ptr, u_ptr, v_ptr,
+ dest_pixel, width);
} else if ((source_dx & kFractionMask) == 0) {
// Scaling by integer scale factor. ie half.
- ConvertYUVToRGB32Row(y_ptr, u_ptr, v_ptr,
- dest_pixel, width,
- source_dx >> kFractionBits);
+ ConvertYUVToRGB32Row_SSE(y_ptr, u_ptr, v_ptr,
+ dest_pixel, width,
+ source_dx >> kFractionBits);
} else if (source_dx_uv == source_dx) { // Not rotated.
ScaleYUVToRGB32Row(y_ptr, u_ptr, v_ptr,
dest_pixel, width, source_dx);
} else {
- RotateConvertYUVToRGB32Row(y_ptr, u_ptr, v_ptr,
- dest_pixel, width,
- source_dx >> kFractionBits,
- source_dx_uv >> kFractionBits);
+ RotateConvertYUVToRGB32Row_SSE(y_ptr, u_ptr, v_ptr,
+ dest_pixel, width,
+ source_dx >> kFractionBits,
+ source_dx_uv >> kFractionBits);
}
+ }
+ else {
+ ScaleYUVToRGB32Row_C(y_ptr, u_ptr, v_ptr,
+ dest_pixel, width, source_dx);
+ }
#else
- ScaleYUVToRGB32Row(y_ptr, u_ptr, v_ptr,
- dest_pixel, width, source_dx);
-#endif
- }
+ ScaleYUVToRGB32Row(y_ptr, u_ptr, v_ptr,
+ dest_pixel, width, source_dx);
+#endif
}
}
// MMX used for FastConvertYUVToRGB32Row and FilterRows requires emms.
- EMMS();
-}
-
-} // namespace media
+ if (has_mmx)
+ EMMS();
+}
+
+} // namespace gfx
+} // namespace mozilla
diff --git a/gfx/ycbcr/yuv_convert.h b/gfx/ycbcr/yuv_convert.h
--- a/gfx/ycbcr/yuv_convert.h
+++ b/gfx/ycbcr/yuv_convert.h
@@ -1,72 +1,79 @@
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_BASE_YUV_CONVERT_H_
#define MEDIA_BASE_YUV_CONVERT_H_
-#include "base/basictypes.h"
-
-namespace media {
-
+#include "chromium_types.h"
+#include "gfxCore.h"
+
+namespace mozilla {
+
+namespace gfx {
+
// Type of YUV surface.
// The value of these enums matter as they are used to shift vertical indices.
enum YUVType {
- YV16 = 0, // YV16 is half width and full height chroma channels.
- YV12 = 1, // YV12 is half width and half height chroma channels.
+ YV12 = 0, // YV12 is half width and half height chroma channels.
+ YV16 = 1, // YV16 is half width and full height chroma channels.
+ YV24 = 2 // YV24 is full width and full height chroma channels.
};
// Mirror means flip the image horizontally, as in looking in a mirror.
// Rotate happens after mirroring.
enum Rotate {
ROTATE_0, // Rotation off.
ROTATE_90, // Rotate clockwise.
ROTATE_180, // Rotate upside down.
ROTATE_270, // Rotate counter clockwise.
MIRROR_ROTATE_0, // Mirror horizontally.
MIRROR_ROTATE_90, // Mirror then Rotate clockwise.
MIRROR_ROTATE_180, // Mirror vertically.
- MIRROR_ROTATE_270, // Transpose.
+ MIRROR_ROTATE_270 // Transpose.
};
// Filter affects how scaling looks.
enum ScaleFilter {
FILTER_NONE = 0, // No filter (point sampled).
FILTER_BILINEAR_H = 1, // Bilinear horizontal filter.
FILTER_BILINEAR_V = 2, // Bilinear vertical filter.
- FILTER_BILINEAR = 3, // Bilinear filter.
+ FILTER_BILINEAR = 3 // Bilinear filter.
};
// Convert a frame of YUV to 32 bit ARGB.
// Pass in YV16/YV12 depending on source format
-void ConvertYUVToRGB32(const uint8* yplane,
- const uint8* uplane,
- const uint8* vplane,
- uint8* rgbframe,
- int width,
- int height,
- int ystride,
- int uvstride,
- int rgbstride,
- YUVType yuv_type);
+NS_GFX_(void) ConvertYCbCrToRGB32(const uint8* yplane,
+ const uint8* uplane,
+ const uint8* vplane,
+ uint8* rgbframe,
+ int pic_x,
+ int pic_y,
+ int pic_width,
+ int pic_height,
+ int ystride,
+ int uvstride,
+ int rgbstride,
+ YUVType yuv_type);
// Scale a frame of YUV to 32 bit ARGB.
// Supports rotation and mirroring.
-void ScaleYUVToRGB32(const uint8* yplane,
- const uint8* uplane,
- const uint8* vplane,
- uint8* rgbframe,
- int source_width,
- int source_height,
- int width,
- int height,
- int ystride,
- int uvstride,
- int rgbstride,
- YUVType yuv_type,
- Rotate view_rotate,
- ScaleFilter filter);
-
-} // namespace media
-
+NS_GFX_(void) ScaleYCbCrToRGB32(const uint8* yplane,
+ const uint8* uplane,
+ const uint8* vplane,
+ uint8* rgbframe,
+ int source_width,
+ int source_height,
+ int width,
+ int height,
+ int ystride,
+ int uvstride,
+ int rgbstride,
+ YUVType yuv_type,
+ Rotate view_rotate,
+ ScaleFilter filter);
+
+} // namespace gfx
+} // namespace mozilla
+
#endif // MEDIA_BASE_YUV_CONVERT_H_
diff --git a/gfx/ycbcr/yuv_convert_mmx.cpp b/gfx/ycbcr/yuv_convert_mmx.cpp
new file mode 100644
--- /dev/null
+++ b/gfx/ycbcr/yuv_convert_mmx.cpp
@@ -0,0 +1,45 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <mmintrin.h>
+#include "yuv_row.h"
+
+namespace mozilla {
+namespace gfx {
+
+// FilterRows combines two rows of the image using linear interpolation.
+// MMX version does 8 pixels at a time.
+void FilterRows_MMX(uint8* ybuf, const uint8* y0_ptr, const uint8* y1_ptr,
+ int source_width, int source_y_fraction) {
+ __m64 zero = _mm_setzero_si64();
+ __m64 y1_fraction = _mm_set1_pi16(source_y_fraction);
+ __m64 y0_fraction = _mm_set1_pi16(256 - source_y_fraction);
+
+ const __m64* y0_ptr64 = reinterpret_cast<const __m64*>(y0_ptr);
+ const __m64* y1_ptr64 = reinterpret_cast<const __m64*>(y1_ptr);
+ __m64* dest64 = reinterpret_cast<__m64*>(ybuf);
+ __m64* end64 = reinterpret_cast<__m64*>(ybuf + source_width);
+
+ do {
+ __m64 y0 = *y0_ptr64++;
+ __m64 y1 = *y1_ptr64++;
+ __m64 y2 = _mm_unpackhi_pi8(y0, zero);
+ __m64 y3 = _mm_unpackhi_pi8(y1, zero);
+ y0 = _mm_unpacklo_pi8(y0, zero);
+ y1 = _mm_unpacklo_pi8(y1, zero);
+ y0 = _mm_mullo_pi16(y0, y0_fraction);
+ y1 = _mm_mullo_pi16(y1, y1_fraction);
+ y2 = _mm_mullo_pi16(y2, y0_fraction);
+ y3 = _mm_mullo_pi16(y3, y1_fraction);
+ y0 = _mm_add_pi16(y0, y1);
+ y2 = _mm_add_pi16(y2, y3);
+ y0 = _mm_srli_pi16(y0, 8);
+ y2 = _mm_srli_pi16(y2, 8);
+ y0 = _mm_packs_pu16(y0, y2);
+ *dest64++ = y0;
+ } while (dest64 < end64);
+}
+
+}
+}
diff --git a/gfx/ycbcr/yuv_convert_sse2.cpp b/gfx/ycbcr/yuv_convert_sse2.cpp
new file mode 100644
--- /dev/null
+++ b/gfx/ycbcr/yuv_convert_sse2.cpp
@@ -0,0 +1,47 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <emmintrin.h>
+#include "yuv_row.h"
+
+namespace mozilla {
+namespace gfx {
+
+// FilterRows combines two rows of the image using linear interpolation.
+// SSE2 version does 16 pixels at a time.
+void FilterRows_SSE2(uint8* ybuf, const uint8* y0_ptr, const uint8* y1_ptr,
+ int source_width, int source_y_fraction) {
+ __m128i zero = _mm_setzero_si128();
+ __m128i y1_fraction = _mm_set1_epi16(source_y_fraction);
+ __m128i y0_fraction = _mm_set1_epi16(256 - source_y_fraction);
+
+ const __m128i* y0_ptr128 = reinterpret_cast<const __m128i*>(y0_ptr);
+ const __m128i* y1_ptr128 = reinterpret_cast<const __m128i*>(y1_ptr);
+ __m128i* dest128 = reinterpret_cast<__m128i*>(ybuf);
+ __m128i* end128 = reinterpret_cast<__m128i*>(ybuf + source_width);
+
+ do {
+ __m128i y0 = _mm_loadu_si128(y0_ptr128);
+ __m128i y1 = _mm_loadu_si128(y1_ptr128);
+ __m128i y2 = _mm_unpackhi_epi8(y0, zero);
+ __m128i y3 = _mm_unpackhi_epi8(y1, zero);
+ y0 = _mm_unpacklo_epi8(y0, zero);
+ y1 = _mm_unpacklo_epi8(y1, zero);
+ y0 = _mm_mullo_epi16(y0, y0_fraction);
+ y1 = _mm_mullo_epi16(y1, y1_fraction);
+ y2 = _mm_mullo_epi16(y2, y0_fraction);
+ y3 = _mm_mullo_epi16(y3, y1_fraction);
+ y0 = _mm_add_epi16(y0, y1);
+ y2 = _mm_add_epi16(y2, y3);
+ y0 = _mm_srli_epi16(y0, 8);
+ y2 = _mm_srli_epi16(y2, 8);
+ y0 = _mm_packus_epi16(y0, y2);
+ *dest128++ = y0;
+ ++y0_ptr128;
+ ++y1_ptr128;
+ } while (dest128 < end128);
+}
+
+}
+}
diff --git a/gfx/ycbcr/yuv_row.h b/gfx/ycbcr/yuv_row.h
--- a/gfx/ycbcr/yuv_row.h
+++ b/gfx/ycbcr/yuv_row.h
@@ -5,109 +5,133 @@
// yuv_row internal functions to handle YUV conversion and scaling to RGB.
// These functions are used from both yuv_convert.cc and yuv_scale.cc.
// TODO(fbarchard): Write function that can handle rotation and scaling.
#ifndef MEDIA_BASE_YUV_ROW_H_
#define MEDIA_BASE_YUV_ROW_H_
-#include "base/basictypes.h"
+#include "chromium_types.h"
extern "C" {
// Can only do 1x.
// This is the second fastest of the scalers.
void FastConvertYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width);
-// Can do 1x, half size or any scale down by an integer amount.
-// Step can be negative (mirroring, rotate 180).
-// This is the third fastest of the scalers.
-void ConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int step);
-
-// Rotate is like Convert, but applies different step to Y versus U and V.
-// This allows rotation by 90 or 270, by stepping by stride.
-// This is the forth fastest of the scalers.
-void RotateConvertYUVToRGB32Row(const uint8* y_buf,
+void FastConvertYUVToRGB32Row_C(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
- int ystep,
- int uvstep);
+ unsigned int x_shift);
+
+void FastConvertYUVToRGB32Row(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width);
+
+// Can do 1x, half size or any scale down by an integer amount.
+// Step can be negative (mirroring, rotate 180).
+// This is the third fastest of the scalers.
+// Only defined on Windows x86-32.
+void ConvertYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int step);
+
+// Rotate is like Convert, but applies different step to Y versus U and V.
+// This allows rotation by 90 or 270, by stepping by stride.
+// This is the forth fastest of the scalers.
+// Only defined on Windows x86-32.
+void RotateConvertYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int ystep,
+ int uvstep);
// Doubler does 4 pixels at a time. Each pixel is replicated.
// This is the fastest of the scalers.
-void DoubleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width);
+// Only defined on Windows x86-32.
+void DoubleYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width);
// Handles arbitrary scaling up or down.
// Mirroring is supported, but not 90 or 270 degree rotation.
// Chroma is under sampled every 2 pixels for performance.
void ScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx);
+void ScaleYUVToRGB32Row(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx);
+
+void ScaleYUVToRGB32Row_C(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx);
+
// Handles arbitrary scaling up or down with bilinear filtering.
// Mirroring is supported, but not 90 or 270 degree rotation.
// Chroma is under sampled every 2 pixels for performance.
// This is the slowest of the scalers.
void LinearScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx);
+void LinearScaleYUVToRGB32Row(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx);
+
+void LinearScaleYUVToRGB32Row_C(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx);
+
+
#if defined(_MSC_VER)
#define SIMD_ALIGNED(var) __declspec(align(16)) var
#else
#define SIMD_ALIGNED(var) var __attribute__((aligned(16)))
#endif
extern SIMD_ALIGNED(int16 kCoefficientsRgbY[768][4]);
-// Method to force C version.
-//#define USE_MMX 0
-//#define USE_SSE2 0
-
-#if !defined(USE_MMX)
-// Windows, Mac and Linux/BSD use MMX
-#if defined(__MMX__) || defined(_MSC_VER)
-#define USE_MMX 1
-#else
-#define USE_MMX 0
-#endif
-#endif
-
-#if !defined(USE_SSE2)
-#if defined(__SSE2__) || defined(ARCH_CPU_X86_64) || _M_IX86_FP==2
-#define USE_SSE2 1
-#else
-#define USE_SSE2 0
-#endif
-#endif
-
// x64 uses MMX2 (SSE) so emms is not required.
// Warning C4799: function has no EMMS instruction.
// EMMS() is slow and should be called by the calling function once per image.
-#if USE_MMX && !defined(ARCH_CPU_X86_64)
+#if defined(ARCH_CPU_X86) && !defined(ARCH_CPU_X86_64)
#if defined(_MSC_VER)
#define EMMS() __asm emms
#pragma warning(disable: 4799)
#else
#define EMMS() asm("emms")
#endif
#else
#define EMMS()
diff --git a/gfx/ycbcr/yuv_row_c.cpp b/gfx/ycbcr/yuv_row_c.cpp
--- a/gfx/ycbcr/yuv_row_c.cpp
+++ b/gfx/ycbcr/yuv_row_c.cpp
@@ -1,812 +1,18 @@
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#include "media/base/yuv_row.h"
-
-#ifdef _DEBUG
-#include "base/logging.h"
-#else
+#include "yuv_row.h"
+
#define DCHECK(a)
-#endif
extern "C" {
-#if USE_SSE2 && defined(ARCH_CPU_X86_64)
-
-// AMD64 ABI uses register paremters.
-void FastConvertYUVToRGB32Row(const uint8* y_buf, // rdi
- const uint8* u_buf, // rsi
- const uint8* v_buf, // rdx
- uint8* rgb_buf, // rcx
- int width) { // r8
- asm(
- "jmp convertend\n"
-"convertloop:"
- "movzb (%1),%%r10\n"
- "add $0x1,%1\n"
- "movzb (%2),%%r11\n"
- "add $0x1,%2\n"
- "movq 2048(%5,%%r10,8),%%xmm0\n"
- "movzb (%0),%%r10\n"
- "movq 4096(%5,%%r11,8),%%xmm1\n"
- "movzb 0x1(%0),%%r11\n"
- "paddsw %%xmm1,%%xmm0\n"
- "movq (%5,%%r10,8),%%xmm2\n"
- "add $0x2,%0\n"
- "movq (%5,%%r11,8),%%xmm3\n"
- "paddsw %%xmm0,%%xmm2\n"
- "paddsw %%xmm0,%%xmm3\n"
- "shufps $0x44,%%xmm3,%%xmm2\n"
- "psraw $0x6,%%xmm2\n"
- "packuswb %%xmm2,%%xmm2\n"
- "movq %%xmm2,0x0(%3)\n"
- "add $0x8,%3\n"
-"convertend:"
- "sub $0x2,%4\n"
- "jns convertloop\n"
-
-"convertnext:"
- "add $0x1,%4\n"
- "js convertdone\n"
-
- "movzb (%1),%%r10\n"
- "movq 2048(%5,%%r10,8),%%xmm0\n"
- "movzb (%2),%%r10\n"
- "movq 4096(%5,%%r10,8),%%xmm1\n"
- "paddsw %%xmm1,%%xmm0\n"
- "movzb (%0),%%r10\n"
- "movq (%5,%%r10,8),%%xmm1\n"
- "paddsw %%xmm0,%%xmm1\n"
- "psraw $0x6,%%xmm1\n"
- "packuswb %%xmm1,%%xmm1\n"
- "movd %%xmm1,0x0(%3)\n"
-"convertdone:"
- :
- : "r"(y_buf), // %0
- "r"(u_buf), // %1
- "r"(v_buf), // %2
- "r"(rgb_buf), // %3
- "r"(width), // %4
- "r" (kCoefficientsRgbY) // %5
- : "memory", "r10", "r11", "xmm0", "xmm1", "xmm2", "xmm3"
-);
-}
-
-void ScaleYUVToRGB32Row(const uint8* y_buf, // rdi
- const uint8* u_buf, // rsi
- const uint8* v_buf, // rdx
- uint8* rgb_buf, // rcx
- int width, // r8
- int source_dx) { // r9
- asm(
- "xor %%r11,%%r11\n"
- "sub $0x2,%4\n"
- "js scalenext\n"
-
-"scaleloop:"
- "mov %%r11,%%r10\n"
- "sar $0x11,%%r10\n"
- "movzb (%1,%%r10,1),%%rax\n"
- "movq 2048(%5,%%rax,8),%%xmm0\n"
- "movzb (%2,%%r10,1),%%rax\n"
- "movq 4096(%5,%%rax,8),%%xmm1\n"
- "lea (%%r11,%6),%%r10\n"
- "sar $0x10,%%r11\n"
- "movzb (%0,%%r11,1),%%rax\n"
- "paddsw %%xmm1,%%xmm0\n"
- "movq (%5,%%rax,8),%%xmm1\n"
- "lea (%%r10,%6),%%r11\n"
- "sar $0x10,%%r10\n"
- "movzb (%0,%%r10,1),%%rax\n"
- "movq (%5,%%rax,8),%%xmm2\n"
- "paddsw %%xmm0,%%xmm1\n"
- "paddsw %%xmm0,%%xmm2\n"
- "shufps $0x44,%%xmm2,%%xmm1\n"
- "psraw $0x6,%%xmm1\n"
- "packuswb %%xmm1,%%xmm1\n"
- "movq %%xmm1,0x0(%3)\n"
- "add $0x8,%3\n"
- "sub $0x2,%4\n"
- "jns scaleloop\n"
-
-"scalenext:"
- "add $0x1,%4\n"
- "js scaledone\n"
-
- "mov %%r11,%%r10\n"
- "sar $0x11,%%r10\n"
- "movzb (%1,%%r10,1),%%rax\n"
- "movq 2048(%5,%%rax,8),%%xmm0\n"
- "movzb (%2,%%r10,1),%%rax\n"
- "movq 4096(%5,%%rax,8),%%xmm1\n"
- "paddsw %%xmm1,%%xmm0\n"
- "sar $0x10,%%r11\n"
- "movzb (%0,%%r11,1),%%rax\n"
- "movq (%5,%%rax,8),%%xmm1\n"
- "paddsw %%xmm0,%%xmm1\n"
- "psraw $0x6,%%xmm1\n"
- "packuswb %%xmm1,%%xmm1\n"
- "movd %%xmm1,0x0(%3)\n"
-
-"scaledone:"
- :
- : "r"(y_buf), // %0
- "r"(u_buf), // %1
- "r"(v_buf), // %2
- "r"(rgb_buf), // %3
- "r"(width), // %4
- "r" (kCoefficientsRgbY), // %5
- "r"(static_cast<long>(source_dx)) // %6
- : "memory", "r10", "r11", "rax", "xmm0", "xmm1", "xmm2"
-);
-}
-
-void LinearScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx) {
- asm(
- "xor %%r11,%%r11\n" // x = 0
- "sub $0x2,%4\n"
- "js .lscalenext\n"
- "cmp $0x20000,%6\n" // if source_dx >= 2.0
- "jl .lscalehalf\n"
- "mov $0x8000,%%r11\n" // x = 0.5 for 1/2 or less
-".lscalehalf:"
-
-".lscaleloop:"
- "mov %%r11,%%r10\n"
- "sar $0x11,%%r10\n"
-
- "movzb (%1, %%r10, 1), %%r13 \n"
- "movzb 1(%1, %%r10, 1), %%r14 \n"
- "mov %%r11, %%rax \n"
- "and $0x1fffe, %%rax \n"
- "imul %%rax, %%r14 \n"
- "xor $0x1fffe, %%rax \n"
- "imul %%rax, %%r13 \n"
- "add %%r14, %%r13 \n"
- "shr $17, %%r13 \n"
- "movq 2048(%5,%%r13,8), %%xmm0\n"
-
- "movzb (%2, %%r10, 1), %%r13 \n"
- "movzb 1(%2, %%r10, 1), %%r14 \n"
- "mov %%r11, %%rax \n"
- "and $0x1fffe, %%rax \n"
- "imul %%rax, %%r14 \n"
- "xor $0x1fffe, %%rax \n"
- "imul %%rax, %%r13 \n"
- "add %%r14, %%r13 \n"
- "shr $17, %%r13 \n"
- "movq 4096(%5,%%r13,8), %%xmm1\n"
-
- "mov %%r11, %%rax \n"
- "lea (%%r11,%6),%%r10\n"
- "sar $0x10,%%r11\n"
- "paddsw %%xmm1,%%xmm0\n"
-
- "movzb (%0, %%r11, 1), %%r13 \n"
- "movzb 1(%0, %%r11, 1), %%r14 \n"
- "and $0xffff, %%rax \n"
- "imul %%rax, %%r14 \n"
- "xor $0xffff, %%rax \n"
- "imul %%rax, %%r13 \n"
- "add %%r14, %%r13 \n"
- "shr $16, %%r13 \n"
- "movq (%5,%%r13,8),%%xmm1\n"
-
- "mov %%r10, %%rax \n"
- "lea (%%r10,%6),%%r11\n"
- "sar $0x10,%%r10\n"
-
- "movzb (%0,%%r10,1), %%r13 \n"
- "movzb 1(%0,%%r10,1), %%r14 \n"
- "and $0xffff, %%rax \n"
- "imul %%rax, %%r14 \n"
- "xor $0xffff, %%rax \n"
- "imul %%rax, %%r13 \n"
- "add %%r14, %%r13 \n"
- "shr $16, %%r13 \n"
- "movq (%5,%%r13,8),%%xmm2\n"
-
- "paddsw %%xmm0,%%xmm1\n"
- "paddsw %%xmm0,%%xmm2\n"
- "shufps $0x44,%%xmm2,%%xmm1\n"
- "psraw $0x6,%%xmm1\n"
- "packuswb %%xmm1,%%xmm1\n"
- "movq %%xmm1,0x0(%3)\n"
- "add $0x8,%3\n"
- "sub $0x2,%4\n"
- "jns .lscaleloop\n"
-
-".lscalenext:"
- "add $0x1,%4\n"
- "js .lscaledone\n"
-
- "mov %%r11,%%r10\n"
- "sar $0x11,%%r10\n"
-
- "movzb (%1,%%r10,1), %%r13 \n"
- "movq 2048(%5,%%r13,8),%%xmm0\n"
-
- "movzb (%2,%%r10,1), %%r13 \n"
- "movq 4096(%5,%%r13,8),%%xmm1\n"
-
- "paddsw %%xmm1,%%xmm0\n"
- "sar $0x10,%%r11\n"
-
- "movzb (%0,%%r11,1), %%r13 \n"
- "movq (%5,%%r13,8),%%xmm1\n"
-
- "paddsw %%xmm0,%%xmm1\n"
- "psraw $0x6,%%xmm1\n"
- "packuswb %%xmm1,%%xmm1\n"
- "movd %%xmm1,0x0(%3)\n"
-
-".lscaledone:"
- :
- : "r"(y_buf), // %0
- "r"(u_buf), // %1
- "r"(v_buf), // %2
- "r"(rgb_buf), // %3
- "r"(width), // %4
- "r" (kCoefficientsRgbY), // %5
- "r"(static_cast<long>(source_dx)) // %6
- : "memory", "r10", "r11", "r13", "r14", "rax", "xmm0", "xmm1", "xmm2"
-);
-}
-
-#elif USE_MMX && !defined(ARCH_CPU_X86_64) && !defined(__PIC__)
-
-// PIC version is slower because less registers are available, so
-// non-PIC is used on platforms where it is possible.
-
-void FastConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width);
- asm(
- ".text\n"
- ".global FastConvertYUVToRGB32Row\n"
-"FastConvertYUVToRGB32Row:\n"
- "pusha\n"
- "mov 0x24(%esp),%edx\n"
- "mov 0x28(%esp),%edi\n"
- "mov 0x2c(%esp),%esi\n"
- "mov 0x30(%esp),%ebp\n"
- "mov 0x34(%esp),%ecx\n"
- "jmp convertend\n"
-
-"convertloop:"
- "movzbl (%edi),%eax\n"
- "add $0x1,%edi\n"
- "movzbl (%esi),%ebx\n"
- "add $0x1,%esi\n"
- "movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
- "movzbl (%edx),%eax\n"
- "paddsw kCoefficientsRgbY+4096(,%ebx,8),%mm0\n"
- "movzbl 0x1(%edx),%ebx\n"
- "movq kCoefficientsRgbY(,%eax,8),%mm1\n"
- "add $0x2,%edx\n"
- "movq kCoefficientsRgbY(,%ebx,8),%mm2\n"
- "paddsw %mm0,%mm1\n"
- "paddsw %mm0,%mm2\n"
- "psraw $0x6,%mm1\n"
- "psraw $0x6,%mm2\n"
- "packuswb %mm2,%mm1\n"
- "movntq %mm1,0x0(%ebp)\n"
- "add $0x8,%ebp\n"
-"convertend:"
- "sub $0x2,%ecx\n"
- "jns convertloop\n"
-
- "and $0x1,%ecx\n"
- "je convertdone\n"
-
- "movzbl (%edi),%eax\n"
- "movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
- "movzbl (%esi),%eax\n"
- "paddsw kCoefficientsRgbY+4096(,%eax,8),%mm0\n"
- "movzbl (%edx),%eax\n"
- "movq kCoefficientsRgbY(,%eax,8),%mm1\n"
- "paddsw %mm0,%mm1\n"
- "psraw $0x6,%mm1\n"
- "packuswb %mm1,%mm1\n"
- "movd %mm1,0x0(%ebp)\n"
-"convertdone:"
- "popa\n"
- "ret\n"
-);
-
-
-void ScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx);
- asm(
- ".text\n"
- ".global ScaleYUVToRGB32Row\n"
-"ScaleYUVToRGB32Row:\n"
- "pusha\n"
- "mov 0x24(%esp),%edx\n"
- "mov 0x28(%esp),%edi\n"
- "mov 0x2c(%esp),%esi\n"
- "mov 0x30(%esp),%ebp\n"
- "mov 0x34(%esp),%ecx\n"
- "xor %ebx,%ebx\n"
- "jmp scaleend\n"
-
-"scaleloop:"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
- "movzbl (%edi,%eax,1),%eax\n"
- "movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
- "movzbl (%esi,%eax,1),%eax\n"
- "paddsw kCoefficientsRgbY+4096(,%eax,8),%mm0\n"
- "mov %ebx,%eax\n"
- "add 0x38(%esp),%ebx\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%eax\n"
- "movq kCoefficientsRgbY(,%eax,8),%mm1\n"
- "mov %ebx,%eax\n"
- "add 0x38(%esp),%ebx\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%eax\n"
- "movq kCoefficientsRgbY(,%eax,8),%mm2\n"
- "paddsw %mm0,%mm1\n"
- "paddsw %mm0,%mm2\n"
- "psraw $0x6,%mm1\n"
- "psraw $0x6,%mm2\n"
- "packuswb %mm2,%mm1\n"
- "movntq %mm1,0x0(%ebp)\n"
- "add $0x8,%ebp\n"
-"scaleend:"
- "sub $0x2,%ecx\n"
- "jns scaleloop\n"
-
- "and $0x1,%ecx\n"
- "je scaledone\n"
-
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
- "movzbl (%edi,%eax,1),%eax\n"
- "movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
- "movzbl (%esi,%eax,1),%eax\n"
- "paddsw kCoefficientsRgbY+4096(,%eax,8),%mm0\n"
- "mov %ebx,%eax\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%eax\n"
- "movq kCoefficientsRgbY(,%eax,8),%mm1\n"
- "paddsw %mm0,%mm1\n"
- "psraw $0x6,%mm1\n"
- "packuswb %mm1,%mm1\n"
- "movd %mm1,0x0(%ebp)\n"
-
-"scaledone:"
- "popa\n"
- "ret\n"
-);
-
-void LinearScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx);
- asm(
- ".text\n"
- ".global LinearScaleYUVToRGB32Row\n"
-"LinearScaleYUVToRGB32Row:\n"
- "pusha\n"
- "mov 0x24(%esp),%edx\n"
- "mov 0x28(%esp),%edi\n"
- "mov 0x30(%esp),%ebp\n"
-
- // source_width = width * source_dx + ebx
- "mov 0x34(%esp), %ecx\n"
- "imull 0x38(%esp), %ecx\n"
- "mov %ecx, 0x34(%esp)\n"
-
- "mov 0x38(%esp), %ecx\n"
- "xor %ebx,%ebx\n" // x = 0
- "cmp $0x20000,%ecx\n" // if source_dx >= 2.0
- "jl .lscaleend\n"
- "mov $0x8000,%ebx\n" // x = 0.5 for 1/2 or less
- "jmp .lscaleend\n"
-
-".lscaleloop:"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
-
- "movzbl (%edi,%eax,1),%ecx\n"
- "movzbl 1(%edi,%eax,1),%esi\n"
- "mov %ebx,%eax\n"
- "andl $0x1fffe, %eax \n"
- "imul %eax, %esi \n"
- "xorl $0x1fffe, %eax \n"
- "imul %eax, %ecx \n"
- "addl %esi, %ecx \n"
- "shrl $17, %ecx \n"
- "movq kCoefficientsRgbY+2048(,%ecx,8),%mm0\n"
-
- "mov 0x2c(%esp),%esi\n"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
-
- "movzbl (%esi,%eax,1),%ecx\n"
- "movzbl 1(%esi,%eax,1),%esi\n"
- "mov %ebx,%eax\n"
- "andl $0x1fffe, %eax \n"
- "imul %eax, %esi \n"
- "xorl $0x1fffe, %eax \n"
- "imul %eax, %ecx \n"
- "addl %esi, %ecx \n"
- "shrl $17, %ecx \n"
- "paddsw kCoefficientsRgbY+4096(,%ecx,8),%mm0\n"
-
- "mov %ebx,%eax\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%ecx\n"
- "movzbl 1(%edx,%eax,1),%esi\n"
- "mov %ebx,%eax\n"
- "add 0x38(%esp),%ebx\n"
- "andl $0xffff, %eax \n"
- "imul %eax, %esi \n"
- "xorl $0xffff, %eax \n"
- "imul %eax, %ecx \n"
- "addl %esi, %ecx \n"
- "shrl $16, %ecx \n"
- "movq kCoefficientsRgbY(,%ecx,8),%mm1\n"
-
- "cmp 0x34(%esp), %ebx\n"
- "jge .lscalelastpixel\n"
-
- "mov %ebx,%eax\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%ecx\n"
- "movzbl 1(%edx,%eax,1),%esi\n"
- "mov %ebx,%eax\n"
- "add 0x38(%esp),%ebx\n"
- "andl $0xffff, %eax \n"
- "imul %eax, %esi \n"
- "xorl $0xffff, %eax \n"
- "imul %eax, %ecx \n"
- "addl %esi, %ecx \n"
- "shrl $16, %ecx \n"
- "movq kCoefficientsRgbY(,%ecx,8),%mm2\n"
-
- "paddsw %mm0,%mm1\n"
- "paddsw %mm0,%mm2\n"
- "psraw $0x6,%mm1\n"
- "psraw $0x6,%mm2\n"
- "packuswb %mm2,%mm1\n"
- "movntq %mm1,0x0(%ebp)\n"
- "add $0x8,%ebp\n"
-
-".lscaleend:"
- "cmp 0x34(%esp), %ebx\n"
- "jl .lscaleloop\n"
- "popa\n"
- "ret\n"
-
-".lscalelastpixel:"
- "paddsw %mm0, %mm1\n"
- "psraw $6, %mm1\n"
- "packuswb %mm1, %mm1\n"
- "movd %mm1, (%ebp)\n"
- "popa\n"
- "ret\n"
-);
-
-#elif USE_MMX && !defined(ARCH_CPU_X86_64) && defined(__PIC__)
-
-extern void PICConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int16 *kCoefficientsRgbY);
- asm(
- ".text\n"
-#if defined(OS_MACOSX)
-"_PICConvertYUVToRGB32Row:\n"
-#else
-"PICConvertYUVToRGB32Row:\n"
-#endif
- "pusha\n"
- "mov 0x24(%esp),%edx\n"
- "mov 0x28(%esp),%edi\n"
- "mov 0x2c(%esp),%esi\n"
- "mov 0x30(%esp),%ebp\n"
- "mov 0x38(%esp),%ecx\n"
-
- "jmp .Lconvertend\n"
-
-".Lconvertloop:"
- "movzbl (%edi),%eax\n"
- "add $0x1,%edi\n"
- "movzbl (%esi),%ebx\n"
- "add $0x1,%esi\n"
- "movq 2048(%ecx,%eax,8),%mm0\n"
- "movzbl (%edx),%eax\n"
- "paddsw 4096(%ecx,%ebx,8),%mm0\n"
- "movzbl 0x1(%edx),%ebx\n"
- "movq 0(%ecx,%eax,8),%mm1\n"
- "add $0x2,%edx\n"
- "movq 0(%ecx,%ebx,8),%mm2\n"
- "paddsw %mm0,%mm1\n"
- "paddsw %mm0,%mm2\n"
- "psraw $0x6,%mm1\n"
- "psraw $0x6,%mm2\n"
- "packuswb %mm2,%mm1\n"
- "movntq %mm1,0x0(%ebp)\n"
- "add $0x8,%ebp\n"
-".Lconvertend:"
- "subl $0x2,0x34(%esp)\n"
- "jns .Lconvertloop\n"
-
- "andl $0x1,0x34(%esp)\n"
- "je .Lconvertdone\n"
-
- "movzbl (%edi),%eax\n"
- "movq 2048(%ecx,%eax,8),%mm0\n"
- "movzbl (%esi),%eax\n"
- "paddsw 4096(%ecx,%eax,8),%mm0\n"
- "movzbl (%edx),%eax\n"
- "movq 0(%ecx,%eax,8),%mm1\n"
- "paddsw %mm0,%mm1\n"
- "psraw $0x6,%mm1\n"
- "packuswb %mm1,%mm1\n"
- "movd %mm1,0x0(%ebp)\n"
-".Lconvertdone:\n"
- "popa\n"
- "ret\n"
-);
-
-void FastConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width) {
- PICConvertYUVToRGB32Row(y_buf, u_buf, v_buf, rgb_buf, width,
- &kCoefficientsRgbY[0][0]);
-}
-
-extern void PICScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx,
- int16 *kCoefficientsRgbY);
-
- asm(
- ".text\n"
-#if defined(OS_MACOSX)
-"_PICScaleYUVToRGB32Row:\n"
-#else
-"PICScaleYUVToRGB32Row:\n"
-#endif
- "pusha\n"
- "mov 0x24(%esp),%edx\n"
- "mov 0x28(%esp),%edi\n"
- "mov 0x2c(%esp),%esi\n"
- "mov 0x30(%esp),%ebp\n"
- "mov 0x3c(%esp),%ecx\n"
- "xor %ebx,%ebx\n"
- "jmp Lscaleend\n"
-
-"Lscaleloop:"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
- "movzbl (%edi,%eax,1),%eax\n"
- "movq 2048(%ecx,%eax,8),%mm0\n"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
- "movzbl (%esi,%eax,1),%eax\n"
- "paddsw 4096(%ecx,%eax,8),%mm0\n"
- "mov %ebx,%eax\n"
- "add 0x38(%esp),%ebx\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%eax\n"
- "movq 0(%ecx,%eax,8),%mm1\n"
- "mov %ebx,%eax\n"
- "add 0x38(%esp),%ebx\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%eax\n"
- "movq 0(%ecx,%eax,8),%mm2\n"
- "paddsw %mm0,%mm1\n"
- "paddsw %mm0,%mm2\n"
- "psraw $0x6,%mm1\n"
- "psraw $0x6,%mm2\n"
- "packuswb %mm2,%mm1\n"
- "movntq %mm1,0x0(%ebp)\n"
- "add $0x8,%ebp\n"
-"Lscaleend:"
- "subl $0x2,0x34(%esp)\n"
- "jns Lscaleloop\n"
-
- "andl $0x1,0x34(%esp)\n"
- "je Lscaledone\n"
-
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
- "movzbl (%edi,%eax,1),%eax\n"
- "movq 2048(%ecx,%eax,8),%mm0\n"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
- "movzbl (%esi,%eax,1),%eax\n"
- "paddsw 4096(%ecx,%eax,8),%mm0\n"
- "mov %ebx,%eax\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%eax\n"
- "movq 0(%ecx,%eax,8),%mm1\n"
- "paddsw %mm0,%mm1\n"
- "psraw $0x6,%mm1\n"
- "packuswb %mm1,%mm1\n"
- "movd %mm1,0x0(%ebp)\n"
-
-"Lscaledone:"
- "popa\n"
- "ret\n"
-);
-
-
-void ScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx) {
- PICScaleYUVToRGB32Row(y_buf, u_buf, v_buf, rgb_buf, width, source_dx,
- &kCoefficientsRgbY[0][0]);
-}
-
-void PICLinearScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx,
- int16 *kCoefficientsRgbY);
- asm(
- ".text\n"
-#if defined(OS_MACOSX)
-"_PICLinearScaleYUVToRGB32Row:\n"
-#else
-"PICLinearScaleYUVToRGB32Row:\n"
-#endif
- "pusha\n"
- "mov 0x24(%esp),%edx\n"
- "mov 0x30(%esp),%ebp\n"
- "mov 0x34(%esp),%ecx\n"
- "mov 0x3c(%esp),%edi\n"
- "xor %ebx,%ebx\n"
-
- // source_width = width * source_dx + ebx
- "mov 0x34(%esp), %ecx\n"
- "imull 0x38(%esp), %ecx\n"
- "mov %ecx, 0x34(%esp)\n"
-
- "mov 0x38(%esp), %ecx\n"
- "xor %ebx,%ebx\n" // x = 0
- "cmp $0x20000,%ecx\n" // if source_dx >= 2.0
- "jl .lscaleend\n"
- "mov $0x8000,%ebx\n" // x = 0.5 for 1/2 or less
- "jmp .lscaleend\n"
-
-".lscaleloop:"
- "mov 0x28(%esp),%esi\n"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
-
- "movzbl (%esi,%eax,1),%ecx\n"
- "movzbl 1(%esi,%eax,1),%esi\n"
- "mov %ebx,%eax\n"
- "andl $0x1fffe, %eax \n"
- "imul %eax, %esi \n"
- "xorl $0x1fffe, %eax \n"
- "imul %eax, %ecx \n"
- "addl %esi, %ecx \n"
- "shrl $17, %ecx \n"
- "movq 2048(%edi,%ecx,8),%mm0\n"
-
- "mov 0x2c(%esp),%esi\n"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
-
- "movzbl (%esi,%eax,1),%ecx\n"
- "movzbl 1(%esi,%eax,1),%esi\n"
- "mov %ebx,%eax\n"
- "andl $0x1fffe, %eax \n"
- "imul %eax, %esi \n"
- "xorl $0x1fffe, %eax \n"
- "imul %eax, %ecx \n"
- "addl %esi, %ecx \n"
- "shrl $17, %ecx \n"
- "paddsw 4096(%edi,%ecx,8),%mm0\n"
-
- "mov %ebx,%eax\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%ecx\n"
- "movzbl 1(%edx,%eax,1),%esi\n"
- "mov %ebx,%eax\n"
- "add 0x38(%esp),%ebx\n"
- "andl $0xffff, %eax \n"
- "imul %eax, %esi \n"
- "xorl $0xffff, %eax \n"
- "imul %eax, %ecx \n"
- "addl %esi, %ecx \n"
- "shrl $16, %ecx \n"
- "movq (%edi,%ecx,8),%mm1\n"
-
- "cmp 0x34(%esp), %ebx\n"
- "jge .lscalelastpixel\n"
-
- "mov %ebx,%eax\n"
- "sar $0x10,%eax\n"
- "movzbl (%edx,%eax,1),%ecx\n"
- "movzbl 1(%edx,%eax,1),%esi\n"
- "mov %ebx,%eax\n"
- "add 0x38(%esp),%ebx\n"
- "andl $0xffff, %eax \n"
- "imul %eax, %esi \n"
- "xorl $0xffff, %eax \n"
- "imul %eax, %ecx \n"
- "addl %esi, %ecx \n"
- "shrl $16, %ecx \n"
- "movq (%edi,%ecx,8),%mm2\n"
-
- "paddsw %mm0,%mm1\n"
- "paddsw %mm0,%mm2\n"
- "psraw $0x6,%mm1\n"
- "psraw $0x6,%mm2\n"
- "packuswb %mm2,%mm1\n"
- "movntq %mm1,0x0(%ebp)\n"
- "add $0x8,%ebp\n"
-
-".lscaleend:"
- "cmp %ebx, 0x34(%esp)\n"
- "jg .lscaleloop\n"
- "popa\n"
- "ret\n"
-
-".lscalelastpixel:"
- "paddsw %mm0, %mm1\n"
- "psraw $6, %mm1\n"
- "packuswb %mm1, %mm1\n"
- "movd %mm1, (%ebp)\n"
- "popa\n"
- "ret\n"
-);
-
-void LinearScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx) {
- PICLinearScaleYUVToRGB32Row(y_buf, u_buf, v_buf, rgb_buf, width, source_dx,
- &kCoefficientsRgbY[0][0]);
-}
-
-#else // USE_MMX
-
// C reference code that mimic the YUV assembly.
#define packuswb(x) ((x) < 0 ? 0 : ((x) > 255 ? 255 : (x)))
#define paddsw(x, y) (((x) + (y)) < -32768 ? -32768 : \
(((x) + (y)) > 32767 ? 32767 : ((x) + (y))))
static inline void YuvPixel(uint8 y,
uint8 u,
uint8 v,
@@ -833,66 +39,71 @@ static inline void YuvPixel(uint8 y,
a >>= 6;
*reinterpret_cast<uint32*>(rgb_buf) = (packuswb(b)) |
(packuswb(g) << 8) |
(packuswb(r) << 16) |
(packuswb(a) << 24);
}
-void FastConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width) {
+void FastConvertYUVToRGB32Row_C(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ unsigned int x_shift) {
for (int x = 0; x < width; x += 2) {
- uint8 u = u_buf[x >> 1];
- uint8 v = v_buf[x >> 1];
+ uint8 u = u_buf[x >> x_shift];
+ uint8 v = v_buf[x >> x_shift];
uint8 y0 = y_buf[x];
YuvPixel(y0, u, v, rgb_buf);
if ((x + 1) < width) {
uint8 y1 = y_buf[x + 1];
+ if (x_shift == 0) {
+ u = u_buf[x + 1];
+ v = v_buf[x + 1];
+ }
YuvPixel(y1, u, v, rgb_buf + 4);
}
rgb_buf += 8; // Advance 2 pixels.
}
}
// 16.16 fixed point is used. A shift by 16 isolates the integer.
// A shift by 17 is used to further subsample the chrominence channels.
// & 0xffff isolates the fixed point fraction. >> 2 to get the upper 2 bits,
// for 1/65536 pixel accurate interpolation.
-void ScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx) {
+void ScaleYUVToRGB32Row_C(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx) {
int x = 0;
for (int i = 0; i < width; i += 2) {
int y = y_buf[x >> 16];
int u = u_buf[(x >> 17)];
int v = v_buf[(x >> 17)];
YuvPixel(y, u, v, rgb_buf);
x += source_dx;
if ((i + 1) < width) {
y = y_buf[x >> 16];
YuvPixel(y, u, v, rgb_buf+4);
x += source_dx;
}
rgb_buf += 8;
}
}
-void LinearScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx) {
+void LinearScaleYUVToRGB32Row_C(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx) {
int x = 0;
if (source_dx >= 0x20000) {
x = 32768;
}
for (int i = 0; i < width; i += 2) {
int y0 = y_buf[x >> 16];
int y1 = y_buf[(x >> 16) + 1];
int u0 = u_buf[(x >> 17)];
@@ -913,11 +124,10 @@ void LinearScaleYUVToRGB32Row(const uint
y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
YuvPixel(y, u, v, rgb_buf+4);
x += source_dx;
}
rgb_buf += 8;
}
}
-#endif // USE_MMX
} // extern "C"
diff --git a/gfx/ycbcr/yuv_row_posix.cpp b/gfx/ycbcr/yuv_row_posix.cpp
--- a/gfx/ycbcr/yuv_row_posix.cpp
+++ b/gfx/ycbcr/yuv_row_posix.cpp
@@ -1,33 +1,32 @@
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#include "media/base/yuv_row.h"
-
-#ifdef _DEBUG
-#include "base/logging.h"
-#else
+#include "yuv_row.h"
+#include "mozilla/SSE.h"
+
#define DCHECK(a)
-#endif
extern "C" {
-#if USE_SSE2 && defined(ARCH_CPU_X86_64)
+#if defined(ARCH_CPU_X86_64)
+
+// We don't need CPUID guards here, since x86-64 implies SSE2.
// AMD64 ABI uses register paremters.
void FastConvertYUVToRGB32Row(const uint8* y_buf, // rdi
const uint8* u_buf, // rsi
const uint8* v_buf, // rdx
uint8* rgb_buf, // rcx
int width) { // r8
asm(
- "jmp convertend\n"
-"convertloop:"
+ "jmp 1f\n"
+"0:"
"movzb (%1),%%r10\n"
"add $0x1,%1\n"
"movzb (%2),%%r11\n"
"add $0x1,%2\n"
"movq 2048(%5,%%r10,8),%%xmm0\n"
"movzb (%0),%%r10\n"
"movq 4096(%5,%%r11,8),%%xmm1\n"
"movzb 0x1(%0),%%r11\n"
@@ -37,36 +36,36 @@ void FastConvertYUVToRGB32Row(const uint
"movq (%5,%%r11,8),%%xmm3\n"
"paddsw %%xmm0,%%xmm2\n"
"paddsw %%xmm0,%%xmm3\n"
"shufps $0x44,%%xmm3,%%xmm2\n"
"psraw $0x6,%%xmm2\n"
"packuswb %%xmm2,%%xmm2\n"
"movq %%xmm2,0x0(%3)\n"
"add $0x8,%3\n"
-"convertend:"
+"1:"
"sub $0x2,%4\n"
- "jns convertloop\n"
-
-"convertnext:"
+ "jns 0b\n"
+
+"2:"
"add $0x1,%4\n"
- "js convertdone\n"
+ "js 3f\n"
"movzb (%1),%%r10\n"
"movq 2048(%5,%%r10,8),%%xmm0\n"
"movzb (%2),%%r10\n"
"movq 4096(%5,%%r10,8),%%xmm1\n"
"paddsw %%xmm1,%%xmm0\n"
"movzb (%0),%%r10\n"
"movq (%5,%%r10,8),%%xmm1\n"
"paddsw %%xmm0,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movd %%xmm1,0x0(%3)\n"
-"convertdone:"
+"3:"
:
: "r"(y_buf), // %0
"r"(u_buf), // %1
"r"(v_buf), // %2
"r"(rgb_buf), // %3
"r"(width), // %4
"r" (kCoefficientsRgbY) // %5
: "memory", "r10", "r11", "xmm0", "xmm1", "xmm2", "xmm3"
@@ -77,19 +76,19 @@ void ScaleYUVToRGB32Row(const uint8* y_b
const uint8* u_buf, // rsi
const uint8* v_buf, // rdx
uint8* rgb_buf, // rcx
int width, // r8
int source_dx) { // r9
asm(
"xor %%r11,%%r11\n"
"sub $0x2,%4\n"
- "js scalenext\n"
-
-"scaleloop:"
+ "js 1f\n"
+
+"0:"
"mov %%r11,%%r10\n"
"sar $0x11,%%r10\n"
"movzb (%1,%%r10,1),%%rax\n"
"movq 2048(%5,%%rax,8),%%xmm0\n"
"movzb (%2,%%r10,1),%%rax\n"
"movq 4096(%5,%%rax,8),%%xmm1\n"
"lea (%%r11,%6),%%r10\n"
"sar $0x10,%%r11\n"
@@ -103,38 +102,38 @@ void ScaleYUVToRGB32Row(const uint8* y_b
"paddsw %%xmm0,%%xmm1\n"
"paddsw %%xmm0,%%xmm2\n"
"shufps $0x44,%%xmm2,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movq %%xmm1,0x0(%3)\n"
"add $0x8,%3\n"
"sub $0x2,%4\n"
- "jns scaleloop\n"
-
-"scalenext:"
+ "jns 0b\n"
+
+"1:"
"add $0x1,%4\n"
- "js scaledone\n"
+ "js 2f\n"
"mov %%r11,%%r10\n"
"sar $0x11,%%r10\n"
"movzb (%1,%%r10,1),%%rax\n"
"movq 2048(%5,%%rax,8),%%xmm0\n"
"movzb (%2,%%r10,1),%%rax\n"
"movq 4096(%5,%%rax,8),%%xmm1\n"
"paddsw %%xmm1,%%xmm0\n"
"sar $0x10,%%r11\n"
"movzb (%0,%%r11,1),%%rax\n"
"movq (%5,%%rax,8),%%xmm1\n"
"paddsw %%xmm0,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movd %%xmm1,0x0(%3)\n"
-"scaledone:"
+"2:"
:
: "r"(y_buf), // %0
"r"(u_buf), // %1
"r"(v_buf), // %2
"r"(rgb_buf), // %3
"r"(width), // %4
"r" (kCoefficientsRgbY), // %5
"r"(static_cast<long>(source_dx)) // %6
@@ -146,23 +145,23 @@ void LinearScaleYUVToRGB32Row(const uint
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
asm(
"xor %%r11,%%r11\n" // x = 0
"sub $0x2,%4\n"
- "js .lscalenext\n"
+ "js 2f\n"
"cmp $0x20000,%6\n" // if source_dx >= 2.0
- "jl .lscalehalf\n"
+ "jl 0f\n"
"mov $0x8000,%%r11\n" // x = 0.5 for 1/2 or less
-".lscalehalf:"
-
-".lscaleloop:"
+"0:"
+
+"1:"
"mov %%r11,%%r10\n"
"sar $0x11,%%r10\n"
"movzb (%1, %%r10, 1), %%r13 \n"
"movzb 1(%1, %%r10, 1), %%r14 \n"
"mov %%r11, %%rax \n"
"and $0x1fffe, %%rax \n"
"imul %%rax, %%r14 \n"
@@ -215,21 +214,21 @@ void LinearScaleYUVToRGB32Row(const uint
"paddsw %%xmm0,%%xmm1\n"
"paddsw %%xmm0,%%xmm2\n"
"shufps $0x44,%%xmm2,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movq %%xmm1,0x0(%3)\n"
"add $0x8,%3\n"
"sub $0x2,%4\n"
- "jns .lscaleloop\n"
-
-".lscalenext:"
+ "jns 1b\n"
+
+"2:"
"add $0x1,%4\n"
- "js .lscaledone\n"
+ "js 3f\n"
"mov %%r11,%%r10\n"
"sar $0x11,%%r10\n"
"movzb (%1,%%r10,1), %%r13 \n"
"movq 2048(%5,%%r13,8),%%xmm0\n"
"movzb (%2,%%r10,1), %%r13 \n"
@@ -241,52 +240,52 @@ void LinearScaleYUVToRGB32Row(const uint
"movzb (%0,%%r11,1), %%r13 \n"
"movq (%5,%%r13,8),%%xmm1\n"
"paddsw %%xmm0,%%xmm1\n"
"psraw $0x6,%%xmm1\n"
"packuswb %%xmm1,%%xmm1\n"
"movd %%xmm1,0x0(%3)\n"
-".lscaledone:"
+"3:"
:
: "r"(y_buf), // %0
"r"(u_buf), // %1
"r"(v_buf), // %2
"r"(rgb_buf), // %3
"r"(width), // %4
"r" (kCoefficientsRgbY), // %5
"r"(static_cast<long>(source_dx)) // %6
: "memory", "r10", "r11", "r13", "r14", "rax", "xmm0", "xmm1", "xmm2"
);
}
-#elif USE_MMX && !defined(ARCH_CPU_X86_64) && !defined(__PIC__)
+#elif defined(MOZILLA_MAY_SUPPORT_SSE) && defined(ARCH_CPU_X86_32) && !defined(__PIC__)
// PIC version is slower because less registers are available, so
// non-PIC is used on platforms where it is possible.
-
-void FastConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width);
+void FastConvertYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width);
asm(
".text\n"
- ".global FastConvertYUVToRGB32Row\n"
-"FastConvertYUVToRGB32Row:\n"
+ ".global FastConvertYUVToRGB32Row_SSE\n"
+ ".type FastConvertYUVToRGB32Row_SSE, @function\n"
+"FastConvertYUVToRGB32Row_SSE:\n"
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x2c(%esp),%esi\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x34(%esp),%ecx\n"
- "jmp convertend\n"
-
-"convertloop:"
+ "jmp 1f\n"
+
+"0:"
"movzbl (%edi),%eax\n"
"add $0x1,%edi\n"
"movzbl (%esi),%ebx\n"
"add $0x1,%esi\n"
"movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
"movzbl (%edx),%eax\n"
"paddsw kCoefficientsRgbY+4096(,%ebx,8),%mm0\n"
"movzbl 0x1(%edx),%ebx\n"
@@ -295,59 +294,77 @@ void FastConvertYUVToRGB32Row(const uint
"movq kCoefficientsRgbY(,%ebx,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
-"convertend:"
+"1:"
"sub $0x2,%ecx\n"
- "jns convertloop\n"
+ "jns 0b\n"
"and $0x1,%ecx\n"
- "je convertdone\n"
+ "je 2f\n"
"movzbl (%edi),%eax\n"
"movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
"movzbl (%esi),%eax\n"
"paddsw kCoefficientsRgbY+4096(,%eax,8),%mm0\n"
"movzbl (%edx),%eax\n"
"movq kCoefficientsRgbY(,%eax,8),%mm1\n"
"paddsw %mm0,%mm1\n"
"psraw $0x6,%mm1\n"
"packuswb %mm1,%mm1\n"
"movd %mm1,0x0(%ebp)\n"
-"convertdone:"
+"2:"
"popa\n"
"ret\n"
+#if !defined(XP_MACOSX)
+ ".previous\n"
+#endif
);
-
-void ScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx);
+void FastConvertYUVToRGB32Row(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width)
+{
+ if (mozilla::supports_sse()) {
+ FastConvertYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width);
+ return;
+ }
+
+ FastConvertYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, 1);
+}
+
+
+void ScaleYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx);
asm(
".text\n"
- ".global ScaleYUVToRGB32Row\n"
-"ScaleYUVToRGB32Row:\n"
+ ".global ScaleYUVToRGB32Row_SSE\n"
+ ".type ScaleYUVToRGB32Row_SSE, @function\n"
+"ScaleYUVToRGB32Row_SSE:\n"
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x2c(%esp),%esi\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x34(%esp),%ecx\n"
"xor %ebx,%ebx\n"
- "jmp scaleend\n"
-
-"scaleloop:"
+ "jmp 1f\n"
+
+"0:"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%eax\n"
"movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%eax\n"
"paddsw kCoefficientsRgbY+4096(,%eax,8),%mm0\n"
@@ -363,22 +380,22 @@ void ScaleYUVToRGB32Row(const uint8* y_b
"movq kCoefficientsRgbY(,%eax,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
-"scaleend:"
+"1:"
"sub $0x2,%ecx\n"
- "jns scaleloop\n"
+ "jns 0b\n"
"and $0x1,%ecx\n"
- "je scaledone\n"
+ "je 2f\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%eax\n"
"movq kCoefficientsRgbY+2048(,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%eax\n"
@@ -387,51 +404,71 @@ void ScaleYUVToRGB32Row(const uint8* y_b
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%eax\n"
"movq kCoefficientsRgbY(,%eax,8),%mm1\n"
"paddsw %mm0,%mm1\n"
"psraw $0x6,%mm1\n"
"packuswb %mm1,%mm1\n"
"movd %mm1,0x0(%ebp)\n"
-"scaledone:"
+"2:"
"popa\n"
"ret\n"
+#if !defined(XP_MACOSX)
+ ".previous\n"
+#endif
);
-void LinearScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx);
+void ScaleYUVToRGB32Row(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx)
+{
+ if (mozilla::supports_sse()) {
+ ScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf,
+ width, source_dx);
+ }
+
+ ScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf,
+ width, source_dx);
+}
+
+void LinearScaleYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx);
asm(
".text\n"
- ".global LinearScaleYUVToRGB32Row\n"
-"LinearScaleYUVToRGB32Row:\n"
+ ".global LinearScaleYUVToRGB32Row_SSE\n"
+ ".type LinearScaleYUVToRGB32Row_SSE, @function\n"
+"LinearScaleYUVToRGB32Row_SSE:\n"
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x30(%esp),%ebp\n"
// source_width = width * source_dx + ebx
"mov 0x34(%esp), %ecx\n"
"imull 0x38(%esp), %ecx\n"
"mov %ecx, 0x34(%esp)\n"
"mov 0x38(%esp), %ecx\n"
"xor %ebx,%ebx\n" // x = 0
"cmp $0x20000,%ecx\n" // if source_dx >= 2.0
- "jl .lscaleend\n"
+ "jl 1f\n"
"mov $0x8000,%ebx\n" // x = 0.5 for 1/2 or less
- "jmp .lscaleend\n"
-
-".lscaleloop:"
- "mov %ebx,%eax\n"
- "sar $0x11,%eax\n"
+ "jmp 1f\n"
+
+"0:"
+ "mov %ebx,%eax\n"
+ "sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%ecx\n"
"movzbl 1(%edi,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"andl $0x1fffe, %eax \n"
"imul %eax, %esi \n"
"xorl $0x1fffe, %eax \n"
"imul %eax, %ecx \n"
@@ -464,17 +501,17 @@ void LinearScaleYUVToRGB32Row(const uint
"imul %eax, %esi \n"
"xorl $0xffff, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $16, %ecx \n"
"movq kCoefficientsRgbY(,%ecx,8),%mm1\n"
"cmp 0x34(%esp), %ebx\n"
- "jge .lscalelastpixel\n"
+ "jge 2f\n"
"mov %ebx,%eax\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%ecx\n"
"movzbl 1(%edx,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"andl $0xffff, %eax \n"
@@ -488,56 +525,76 @@ void LinearScaleYUVToRGB32Row(const uint
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
-".lscaleend:"
+"1:"
"cmp 0x34(%esp), %ebx\n"
- "jl .lscaleloop\n"
+ "jl 0b\n"
"popa\n"
"ret\n"
-".lscalelastpixel:"
+"2:"
"paddsw %mm0, %mm1\n"
"psraw $6, %mm1\n"
"packuswb %mm1, %mm1\n"
"movd %mm1, (%ebp)\n"
"popa\n"
"ret\n"
+#if !defined(XP_MACOSX)
+ ".previous\n"
+#endif
);
-#elif USE_MMX && !defined(ARCH_CPU_X86_64) && defined(__PIC__)
-
-extern void PICConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int16 *kCoefficientsRgbY);
+void LinearScaleYUVToRGB32Row(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx)
+{
+ if (mozilla::supports_sse()) {
+ LinearScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf,
+ width, source_dx);
+ }
+
+ LinearScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf,
+ width, source_dx);
+}
+
+#elif defined(MOZILLA_MAY_SUPPORT_SSE) && defined(ARCH_CPU_X86_32) && defined(__PIC__)
+
+void PICConvertYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int16 *kCoefficientsRgbY);
+
asm(
".text\n"
-#if defined(OS_MACOSX)
-"_PICConvertYUVToRGB32Row:\n"
+#if defined(XP_MACOSX)
+"_PICConvertYUVToRGB32Row_SSE:\n"
#else
-"PICConvertYUVToRGB32Row:\n"
+"PICConvertYUVToRGB32Row_SSE:\n"
#endif
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x2c(%esp),%esi\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x38(%esp),%ecx\n"
- "jmp .Lconvertend\n"
-
-".Lconvertloop:"
+ "jmp 1f\n"
+
+"0:"
"movzbl (%edi),%eax\n"
"add $0x1,%edi\n"
"movzbl (%esi),%ebx\n"
"add $0x1,%esi\n"
"movq 2048(%ecx,%eax,8),%mm0\n"
"movzbl (%edx),%eax\n"
"paddsw 4096(%ecx,%ebx,8),%mm0\n"
"movzbl 0x1(%edx),%ebx\n"
@@ -546,72 +603,81 @@ extern void PICConvertYUVToRGB32Row(cons
"movq 0(%ecx,%ebx,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
-".Lconvertend:"
+"1:"
"subl $0x2,0x34(%esp)\n"
- "jns .Lconvertloop\n"
+ "jns 0b\n"
"andl $0x1,0x34(%esp)\n"
- "je .Lconvertdone\n"
+ "je 2f\n"
"movzbl (%edi),%eax\n"
"movq 2048(%ecx,%eax,8),%mm0\n"
"movzbl (%esi),%eax\n"
"paddsw 4096(%ecx,%eax,8),%mm0\n"
"movzbl (%edx),%eax\n"
"movq 0(%ecx,%eax,8),%mm1\n"
"paddsw %mm0,%mm1\n"
"psraw $0x6,%mm1\n"
"packuswb %mm1,%mm1\n"
"movd %mm1,0x0(%ebp)\n"
-".Lconvertdone:\n"
+"2:"
"popa\n"
"ret\n"
+#if !defined(XP_MACOSX)
+ ".previous\n"
+#endif
);
void FastConvertYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
- int width) {
- PICConvertYUVToRGB32Row(y_buf, u_buf, v_buf, rgb_buf, width,
- &kCoefficientsRgbY[0][0]);
-}
-
-extern void PICScaleYUVToRGB32Row(const uint8* y_buf,
+ int width)
+{
+ if (mozilla::supports_sse()) {
+ PICConvertYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width,
+ &kCoefficientsRgbY[0][0]);
+ return;
+ }
+
+ FastConvertYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, 1);
+}
+
+void PICScaleYUVToRGB32Row_SSE(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx,
int16 *kCoefficientsRgbY);
asm(
".text\n"
-#if defined(OS_MACOSX)
-"_PICScaleYUVToRGB32Row:\n"
+#if defined(XP_MACOSX)
+"_PICScaleYUVToRGB32Row_SSE:\n"
#else
-"PICScaleYUVToRGB32Row:\n"
+"PICScaleYUVToRGB32Row_SSE:\n"
#endif
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x28(%esp),%edi\n"
"mov 0x2c(%esp),%esi\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x3c(%esp),%ecx\n"
"xor %ebx,%ebx\n"
- "jmp Lscaleend\n"
-
-"Lscaleloop:"
+ "jmp 1f\n"
+
+"0:"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%eax\n"
"movq 2048(%ecx,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%eax\n"
"paddsw 4096(%ecx,%eax,8),%mm0\n"
@@ -627,22 +693,22 @@ extern void PICScaleYUVToRGB32Row(const
"movq 0(%ecx,%eax,8),%mm2\n"
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
-"Lscaleend:"
+"1:"
"subl $0x2,0x34(%esp)\n"
- "jns Lscaleloop\n"
+ "jns 0b\n"
"andl $0x1,0x34(%esp)\n"
- "je Lscaledone\n"
+ "je 2f\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%edi,%eax,1),%eax\n"
"movq 2048(%ecx,%eax,8),%mm0\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%eax\n"
@@ -651,66 +717,75 @@ extern void PICScaleYUVToRGB32Row(const
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%eax\n"
"movq 0(%ecx,%eax,8),%mm1\n"
"paddsw %mm0,%mm1\n"
"psraw $0x6,%mm1\n"
"packuswb %mm1,%mm1\n"
"movd %mm1,0x0(%ebp)\n"
-"Lscaledone:"
+"2:"
"popa\n"
"ret\n"
+#if !defined(XP_MACOSX)
+ ".previous\n"
+#endif
);
-
void ScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
- int source_dx) {
- PICScaleYUVToRGB32Row(y_buf, u_buf, v_buf, rgb_buf, width, source_dx,
- &kCoefficientsRgbY[0][0]);
-}
-
-void PICLinearScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx,
- int16 *kCoefficientsRgbY);
+ int source_dx)
+{
+ if (mozilla::supports_sse()) {
+ PICScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width, source_dx,
+ &kCoefficientsRgbY[0][0]);
+ return;
+ }
+
+ ScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
+}
+
+void PICLinearScaleYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx,
+ int16 *kCoefficientsRgbY);
+
asm(
".text\n"
-#if defined(OS_MACOSX)
-"_PICLinearScaleYUVToRGB32Row:\n"
+#if defined(XP_MACOSX)
+"_PICLinearScaleYUVToRGB32Row_SSE:\n"
#else
-"PICLinearScaleYUVToRGB32Row:\n"
+"PICLinearScaleYUVToRGB32Row_SSE:\n"
#endif
"pusha\n"
"mov 0x24(%esp),%edx\n"
"mov 0x30(%esp),%ebp\n"
"mov 0x34(%esp),%ecx\n"
"mov 0x3c(%esp),%edi\n"
"xor %ebx,%ebx\n"
// source_width = width * source_dx + ebx
"mov 0x34(%esp), %ecx\n"
"imull 0x38(%esp), %ecx\n"
"mov %ecx, 0x34(%esp)\n"
"mov 0x38(%esp), %ecx\n"
"xor %ebx,%ebx\n" // x = 0
"cmp $0x20000,%ecx\n" // if source_dx >= 2.0
- "jl .lscaleend\n"
+ "jl 1f\n"
"mov $0x8000,%ebx\n" // x = 0.5 for 1/2 or less
- "jmp .lscaleend\n"
-
-".lscaleloop:"
+ "jmp 1f\n"
+
+"0:"
"mov 0x28(%esp),%esi\n"
"mov %ebx,%eax\n"
"sar $0x11,%eax\n"
"movzbl (%esi,%eax,1),%ecx\n"
"movzbl 1(%esi,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"andl $0x1fffe, %eax \n"
@@ -746,17 +821,17 @@ void PICLinearScaleYUVToRGB32Row(const u
"imul %eax, %esi \n"
"xorl $0xffff, %eax \n"
"imul %eax, %ecx \n"
"addl %esi, %ecx \n"
"shrl $16, %ecx \n"
"movq (%edi,%ecx,8),%mm1\n"
"cmp 0x34(%esp), %ebx\n"
- "jge .lscalelastpixel\n"
+ "jge 2f\n"
"mov %ebx,%eax\n"
"sar $0x10,%eax\n"
"movzbl (%edx,%eax,1),%ecx\n"
"movzbl 1(%edx,%eax,1),%esi\n"
"mov %ebx,%eax\n"
"add 0x38(%esp),%ebx\n"
"andl $0xffff, %eax \n"
@@ -770,154 +845,71 @@ void PICLinearScaleYUVToRGB32Row(const u
"paddsw %mm0,%mm1\n"
"paddsw %mm0,%mm2\n"
"psraw $0x6,%mm1\n"
"psraw $0x6,%mm2\n"
"packuswb %mm2,%mm1\n"
"movntq %mm1,0x0(%ebp)\n"
"add $0x8,%ebp\n"
-".lscaleend:"
+"1:"
"cmp %ebx, 0x34(%esp)\n"
- "jg .lscaleloop\n"
+ "jg 0b\n"
"popa\n"
"ret\n"
-".lscalelastpixel:"
+"2:"
"paddsw %mm0, %mm1\n"
"psraw $6, %mm1\n"
"packuswb %mm1, %mm1\n"
"movd %mm1, (%ebp)\n"
"popa\n"
"ret\n"
+#if !defined(XP_MACOSX)
+ ".previous\n"
+#endif
);
+
void LinearScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx) {
- PICLinearScaleYUVToRGB32Row(y_buf, u_buf, v_buf, rgb_buf, width, source_dx,
- &kCoefficientsRgbY[0][0]);
-}
-
-#else // USE_MMX
-
-// C reference code that mimic the YUV assembly.
-#define packuswb(x) ((x) < 0 ? 0 : ((x) > 255 ? 255 : (x)))
-#define paddsw(x, y) (((x) + (y)) < -32768 ? -32768 : \
- (((x) + (y)) > 32767 ? 32767 : ((x) + (y))))
-
-static inline void YuvPixel(uint8 y,
- uint8 u,
- uint8 v,
- uint8* rgb_buf) {
-
- int b = kCoefficientsRgbY[256+u][0];
- int g = kCoefficientsRgbY[256+u][1];
- int r = kCoefficientsRgbY[256+u][2];
- int a = kCoefficientsRgbY[256+u][3];
-
- b = paddsw(b, kCoefficientsRgbY[512+v][0]);
- g = paddsw(g, kCoefficientsRgbY[512+v][1]);
- r = paddsw(r, kCoefficientsRgbY[512+v][2]);
- a = paddsw(a, kCoefficientsRgbY[512+v][3]);
-
- b = paddsw(b, kCoefficientsRgbY[y][0]);
- g = paddsw(g, kCoefficientsRgbY[y][1]);
- r = paddsw(r, kCoefficientsRgbY[y][2]);
- a = paddsw(a, kCoefficientsRgbY[y][3]);
-
- b >>= 6;
- g >>= 6;
- r >>= 6;
- a >>= 6;
-
- *reinterpret_cast<uint32*>(rgb_buf) = (packuswb(b)) |
- (packuswb(g) << 8) |
- (packuswb(r) << 16) |
- (packuswb(a) << 24);
-}
-
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx)
+{
+ if (mozilla::supports_sse()) {
+ PICLinearScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width,
+ source_dx, &kCoefficientsRgbY[0][0]);
+ return;
+ }
+
+ LinearScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
+}
+#else
void FastConvertYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width) {
- for (int x = 0; x < width; x += 2) {
- uint8 u = u_buf[x >> 1];
- uint8 v = v_buf[x >> 1];
- uint8 y0 = y_buf[x];
- YuvPixel(y0, u, v, rgb_buf);
- if ((x + 1) < width) {
- uint8 y1 = y_buf[x + 1];
- YuvPixel(y1, u, v, rgb_buf + 4);
- }
- rgb_buf += 8; // Advance 2 pixels.
- }
-}
-
-// 16.16 fixed point is used. A shift by 16 isolates the integer.
-// A shift by 17 is used to further subsample the chrominence channels.
-// & 0xffff isolates the fixed point fraction. >> 2 to get the upper 2 bits,
-// for 1/65536 pixel accurate interpolation.
+ FastConvertYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, 1);
+}
+
void ScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
- int x = 0;
- for (int i = 0; i < width; i += 2) {
- int y = y_buf[x >> 16];
- int u = u_buf[(x >> 17)];
- int v = v_buf[(x >> 17)];
- YuvPixel(y, u, v, rgb_buf);
- x += source_dx;
- if ((i + 1) < width) {
- y = y_buf[x >> 16];
- YuvPixel(y, u, v, rgb_buf+4);
- x += source_dx;
- }
- rgb_buf += 8;
- }
-}
+ ScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
+}
void LinearScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
- int x = 0;
- if (source_dx >= 0x20000) {
- x = 32768;
- }
- for (int i = 0; i < width; i += 2) {
- int y0 = y_buf[x >> 16];
- int y1 = y_buf[(x >> 16) + 1];
- int u0 = u_buf[(x >> 17)];
- int u1 = u_buf[(x >> 17) + 1];
- int v0 = v_buf[(x >> 17)];
- int v1 = v_buf[(x >> 17) + 1];
- int y_frac = (x & 65535);
- int uv_frac = ((x >> 1) & 65535);
- int y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
- int u = (uv_frac * u1 + (uv_frac ^ 65535) * u0) >> 16;
- int v = (uv_frac * v1 + (uv_frac ^ 65535) * v0) >> 16;
- YuvPixel(y, u, v, rgb_buf);
- x += source_dx;
- if ((i + 1) < width) {
- y0 = y_buf[x >> 16];
- y1 = y_buf[(x >> 16) + 1];
- y_frac = (x & 65535);
- y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
- YuvPixel(y, u, v, rgb_buf+4);
- x += source_dx;
- }
- rgb_buf += 8;
- }
-}
-
-#endif // USE_MMX
-} // extern "C"
-
+ LinearScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
+}
+#endif
+
+}
diff --git a/gfx/ycbcr/yuv_row_table.cpp b/gfx/ycbcr/yuv_row_table.cpp
--- a/gfx/ycbcr/yuv_row_table.cpp
+++ b/gfx/ycbcr/yuv_row_table.cpp
@@ -1,13 +1,13 @@
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#include "media/base/yuv_row.h"
+#include "yuv_row.h"
extern "C" {
#define RGBY(i) { \
static_cast<int16>(1.164 * 64 * (i - 16) + 0.5), \
static_cast<int16>(1.164 * 64 * (i - 16) + 0.5), \
static_cast<int16>(1.164 * 64 * (i - 16) + 0.5), \
0 \
diff --git a/gfx/ycbcr/yuv_row_win.cpp b/gfx/ycbcr/yuv_row_win.cpp
--- a/gfx/ycbcr/yuv_row_win.cpp
+++ b/gfx/ycbcr/yuv_row_win.cpp
@@ -1,26 +1,27 @@
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#include "media/base/yuv_row.h"
+#include "yuv_row.h"
+#include "mozilla/SSE.h"
#define kCoefficientsRgbU kCoefficientsRgbY + 2048
#define kCoefficientsRgbV kCoefficientsRgbY + 4096
extern "C" {
-#if USE_MMX
-__declspec(naked)
-void FastConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width) {
+#if defined(MOZILLA_MAY_SUPPORT_SSE) && defined(_M_IX86)
+__declspec(naked)
+void FastConvertYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) {
__asm {
pushad
mov edx, [esp + 32 + 4] // Y
mov edi, [esp + 32 + 8] // U
mov esi, [esp + 32 + 12] // V
mov ebp, [esp + 32 + 16] // rgb
mov ecx, [esp + 32 + 20] // width
jmp convertend
@@ -64,22 +65,22 @@ void FastConvertYUVToRGB32Row(const uint
convertdone :
popad
ret
}
}
__declspec(naked)
-void ConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int step) {
+void ConvertYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int step) {
__asm {
pushad
mov edx, [esp + 32 + 4] // Y
mov edi, [esp + 32 + 8] // U
mov esi, [esp + 32 + 12] // V
mov ebp, [esp + 32 + 16] // rgb
mov ecx, [esp + 32 + 20] // width
mov ebx, [esp + 32 + 24] // step
@@ -125,23 +126,23 @@ void ConvertYUVToRGB32Row(const uint8* y
wdone :
popad
ret
}
}
__declspec(naked)
-void RotateConvertYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int ystep,
- int uvstep) {
+void RotateConvertYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int ystep,
+ int uvstep) {
__asm {
pushad
mov edx, [esp + 32 + 4] // Y
mov edi, [esp + 32 + 8] // U
mov esi, [esp + 32 + 12] // V
mov ebp, [esp + 32 + 16] // rgb
mov ecx, [esp + 32 + 20] // width
jmp wend
@@ -188,21 +189,21 @@ void RotateConvertYUVToRGB32Row(const ui
wdone :
popad
ret
}
}
__declspec(naked)
-void DoubleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width) {
+void DoubleYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) {
__asm {
pushad
mov edx, [esp + 32 + 4] // Y
mov edi, [esp + 32 + 8] // U
mov esi, [esp + 32 + 12] // V
mov ebp, [esp + 32 + 16] // rgb
mov ecx, [esp + 32 + 20] // width
jmp wend
@@ -256,26 +257,26 @@ void DoubleYUVToRGB32Row(const uint8* y_
jns wloop1
wdone :
popad
ret
}
}
// This version does general purpose scaling by any amount, up or down.
-// The only thing it can not do it rotation by 90 or 270.
-// For performance the chroma is under sampled, reducing cost of a 3x
+// The only thing it cannot do is rotation by 90 or 270.
+// For performance the chroma is under-sampled, reducing cost of a 3x
// 1080p scale from 8.4 ms to 5.4 ms.
__declspec(naked)
-void ScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx) {
+void ScaleYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx) {
__asm {
pushad
mov edx, [esp + 32 + 4] // Y
mov edi, [esp + 32 + 8] // U
mov esi, [esp + 32 + 12] // V
mov ebp, [esp + 32 + 16] // rgb
mov ecx, [esp + 32 + 20] // width
xor ebx, ebx // x
@@ -333,22 +334,22 @@ void ScaleYUVToRGB32Row(const uint8* y_b
scaledone :
popad
ret
}
}
__declspec(naked)
-void LinearScaleYUVToRGB32Row(const uint8* y_buf,
- const uint8* u_buf,
- const uint8* v_buf,
- uint8* rgb_buf,
- int width,
- int source_dx) {
+void LinearScaleYUVToRGB32Row_SSE(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx) {
__asm {
pushad
mov edx, [esp + 32 + 4] // Y
mov edi, [esp + 32 + 8] // U
// [esp + 32 + 12] // V
mov ebp, [esp + 32 + 16] // rgb
mov ecx, [esp + 32 + 20] // width
imul ecx, [esp + 32 + 24] // source_dx
@@ -438,152 +439,60 @@ lscalelastpixel:
paddsw mm1, mm0
psraw mm1, 6
packuswb mm1, mm1
movd [ebp], mm1
popad
ret
};
}
-#else // USE_MMX
-
-// C reference code that mimic the YUV assembly.
-#define packuswb(x) ((x) < 0 ? 0 : ((x) > 255 ? 255 : (x)))
-#define paddsw(x, y) (((x) + (y)) < -32768 ? -32768 : \
- (((x) + (y)) > 32767 ? 32767 : ((x) + (y))))
-
-static inline void YuvPixel(uint8 y,
- uint8 u,
- uint8 v,
- uint8* rgb_buf) {
-
- int b = kCoefficientsRgbY[256+u][0];
- int g = kCoefficientsRgbY[256+u][1];
- int r = kCoefficientsRgbY[256+u][2];
- int a = kCoefficientsRgbY[256+u][3];
-
- b = paddsw(b, kCoefficientsRgbY[512+v][0]);
- g = paddsw(g, kCoefficientsRgbY[512+v][1]);
- r = paddsw(r, kCoefficientsRgbY[512+v][2]);
- a = paddsw(a, kCoefficientsRgbY[512+v][3]);
-
- b = paddsw(b, kCoefficientsRgbY[y][0]);
- g = paddsw(g, kCoefficientsRgbY[y][1]);
- r = paddsw(r, kCoefficientsRgbY[y][2]);
- a = paddsw(a, kCoefficientsRgbY[y][3]);
-
- b >>= 6;
- g >>= 6;
- r >>= 6;
- a >>= 6;
-
- *reinterpret_cast<uint32*>(rgb_buf) = (packuswb(b)) |
- (packuswb(g) << 8) |
- (packuswb(r) << 16) |
- (packuswb(a) << 24);
-}
-
-#if TEST_MMX_YUV
-static inline void YuvPixel(uint8 y,
- uint8 u,
- uint8 v,
- uint8* rgb_buf) {
-
- __asm {
- movzx eax, u
- movq mm0, [kCoefficientsRgbY+2048 + 8 * eax]
- movzx eax, v
- paddsw mm0, [kCoefficientsRgbY+4096 + 8 * eax]
- movzx eax, y
- movq mm1, [kCoefficientsRgbY + 8 * eax]
- paddsw mm1, mm0
- psraw mm1, 6
- packuswb mm1, mm1
- mov eax, rgb_buf
- movd [eax], mm1
- emms
- }
-}
-#endif
+#endif // if defined(MOZILLA_MAY_SUPPORT_SSE) && defined(_M_IX86)
void FastConvertYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width) {
- for (int x = 0; x < width; x += 2) {
- uint8 u = u_buf[x >> 1];
- uint8 v = v_buf[x >> 1];
- uint8 y0 = y_buf[x];
- YuvPixel(y0, u, v, rgb_buf);
- if ((x + 1) < width) {
- uint8 y1 = y_buf[x + 1];
- YuvPixel(y1, u, v, rgb_buf + 4);
- }
- rgb_buf += 8; // Advance 2 pixels.
- }
-}
-
-// 16.16 fixed point is used. A shift by 16 isolates the integer.
-// A shift by 17 is used to further subsample the chrominence channels.
-// & 0xffff isolates the fixed point fraction. >> 2 to get the upper 2 bits,
-// for 1/65536 pixel accurate interpolation.
+#if defined(MOZILLA_MAY_SUPPORT_SSE) && defined(_M_IX86)
+ if (mozilla::supports_sse()) {
+ FastConvertYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width);
+ return;
+ }
+#endif
+
+ FastConvertYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, 1);
+}
+
void ScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
- int x = 0;
- for (int i = 0; i < width; i += 2) {
- int y = y_buf[x >> 16];
- int u = u_buf[(x >> 17)];
- int v = v_buf[(x >> 17)];
- YuvPixel(y, u, v, rgb_buf);
- x += source_dx;
- if ((i + 1) < width) {
- y = y_buf[x >> 16];
- YuvPixel(y, u, v, rgb_buf+4);
- x += source_dx;
- }
- rgb_buf += 8;
- }
-}
+
+#if defined(MOZILLA_MAY_SUPPORT_SSE) && defined(_M_IX86)
+ if (mozilla::supports_sse()) {
+ ScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
+ return;
+ }
+#endif
+
+ ScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
+}
void LinearScaleYUVToRGB32Row(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
int width,
int source_dx) {
- int x = 0;
- if (source_dx >= 0x20000) {
- x = 32768;
- }
- for (int i = 0; i < width; i += 2) {
- int y0 = y_buf[x >> 16];
- int y1 = y_buf[(x >> 16) + 1];
- int u0 = u_buf[(x >> 17)];
- int u1 = u_buf[(x >> 17) + 1];
- int v0 = v_buf[(x >> 17)];
- int v1 = v_buf[(x >> 17) + 1];
- int y_frac = (x & 65535);
- int uv_frac = ((x >> 1) & 65535);
- int y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
- int u = (uv_frac * u1 + (uv_frac ^ 65535) * u0) >> 16;
- int v = (uv_frac * v1 + (uv_frac ^ 65535) * v0) >> 16;
- YuvPixel(y, u, v, rgb_buf);
- x += source_dx;
- if ((i + 1) < width) {
- y0 = y_buf[x >> 16];
- y1 = y_buf[(x >> 16) + 1];
- y_frac = (x & 65535);
- y = (y_frac * y1 + (y_frac ^ 65535) * y0) >> 16;
- YuvPixel(y, u, v, rgb_buf+4);
- x += source_dx;
- }
- rgb_buf += 8;
- }
-}
-
-#endif // USE_MMX
-} // extern "C"
-
+#if defined(MOZILLA_MAY_SUPPORT_SSE) && defined(_M_IX86)
+ if (mozilla::supports_sse()) {
+ LinearScaleYUVToRGB32Row_SSE(y_buf, u_buf, v_buf, rgb_buf, width,
+ source_dx);
+ return;
+ }
+#endif
+
+ LinearScaleYUVToRGB32Row_C(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
+}
+
+} // extern "C"
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