mirror of
https://github.com/classilla/tenfourfox.git
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211 lines
7.9 KiB
Diff
211 lines
7.9 KiB
Diff
diff --git a/gfx/ycbcr/yuv_row_win64.cpp b/gfx/ycbcr/yuv_row_win64.cpp
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new file mode 100644
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--- /dev/null
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+++ b/gfx/ycbcr/yuv_row_win64.cpp
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@@ -0,0 +1,205 @@
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+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
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+// Use of this source code is governed by a BSD-style license that can be
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+// found in the LICENSE file.
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+
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+#include "yuv_row.h"
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+
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+extern "C" {
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+
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+// x64 compiler doesn't support MMX and inline assembler. Use SSE2 intrinsics.
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+
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+#define kCoefficientsRgbU (reinterpret_cast<uint8*>(kCoefficientsRgbY) + 2048)
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+#define kCoefficientsRgbV (reinterpret_cast<uint8*>(kCoefficientsRgbY) + 4096)
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+
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+#include <emmintrin.h>
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+
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+static void FastConvertYUVToRGB32Row_SSE2(const uint8* y_buf,
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+ const uint8* u_buf,
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+ const uint8* v_buf,
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+ uint8* rgb_buf,
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+ int width) {
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+ __m128i xmm0, xmmY1, xmmY2;
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+ __m128 xmmY;
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+
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+ while (width >= 2) {
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+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * *u_buf++)),
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+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * *v_buf++)));
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+
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+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * *y_buf++));
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+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
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+
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+ xmmY2 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * *y_buf++));
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+ xmmY2 = _mm_adds_epi16(xmmY2, xmm0);
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+
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+ xmmY = _mm_shuffle_ps(_mm_castsi128_ps(xmmY1), _mm_castsi128_ps(xmmY2),
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+ 0x44);
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+ xmmY1 = _mm_srai_epi16(_mm_castps_si128(xmmY), 6);
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+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
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+
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+ _mm_storel_epi64(reinterpret_cast<__m128i*>(rgb_buf), xmmY1);
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+ rgb_buf += 8;
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+ width -= 2;
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+ }
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+
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+ if (width) {
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+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * *u_buf)),
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+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * *v_buf)));
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+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * *y_buf));
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+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
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+ xmmY1 = _mm_srai_epi16(xmmY1, 6);
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+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
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+ *reinterpret_cast<uint32*>(rgb_buf) = _mm_cvtsi128_si32(xmmY1);
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+ }
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+}
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+
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+static void ScaleYUVToRGB32Row_SSE2(const uint8* y_buf,
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+ const uint8* u_buf,
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+ const uint8* v_buf,
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+ uint8* rgb_buf,
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+ int width,
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+ int source_dx) {
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+ __m128i xmm0, xmmY1, xmmY2;
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+ __m128 xmmY;
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+ uint8 u, v, y;
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+ int x = 0;
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+
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+ while (width >= 2) {
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+ u = u_buf[x >> 17];
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+ v = v_buf[x >> 17];
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+ y = y_buf[x >> 16];
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+ x += source_dx;
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+
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+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * u)),
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+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * v)));
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+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
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+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
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+
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+ y = y_buf[x >> 16];
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+ x += source_dx;
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+
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+ xmmY2 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
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+ xmmY2 = _mm_adds_epi16(xmmY2, xmm0);
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+
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+ xmmY = _mm_shuffle_ps(_mm_castsi128_ps(xmmY1), _mm_castsi128_ps(xmmY2),
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+ 0x44);
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+ xmmY1 = _mm_srai_epi16(_mm_castps_si128(xmmY), 6);
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+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
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+
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+ _mm_storel_epi64(reinterpret_cast<__m128i*>(rgb_buf), xmmY1);
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+ rgb_buf += 8;
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+ width -= 2;
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+ }
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+
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+ if (width) {
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+ u = u_buf[x >> 17];
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+ v = v_buf[x >> 17];
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+ y = y_buf[x >> 16];
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+
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+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * u)),
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+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * v)));
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+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
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+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
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+ xmmY1 = _mm_srai_epi16(xmmY1, 6);
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+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
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+ *reinterpret_cast<uint32*>(rgb_buf) = _mm_cvtsi128_si32(xmmY1);
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+ }
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+}
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+
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+static void LinearScaleYUVToRGB32Row_SSE2(const uint8* y_buf,
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+ const uint8* u_buf,
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+ const uint8* v_buf,
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+ uint8* rgb_buf,
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+ int width,
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+ int source_dx) {
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+ __m128i xmm0, xmmY1, xmmY2;
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+ __m128 xmmY;
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+ uint8 u0, u1, v0, v1, y0, y1;
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+ uint32 uv_frac, y_frac, u, v, y;
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+ int x = 0;
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+
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+ if (source_dx >= 0x20000) {
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+ x = 32768;
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+ }
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+
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+ while(width >= 2) {
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+ u0 = u_buf[x >> 17];
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+ u1 = u_buf[(x >> 17) + 1];
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+ v0 = v_buf[x >> 17];
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+ v1 = v_buf[(x >> 17) + 1];
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+ y0 = y_buf[x >> 16];
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+ y1 = y_buf[(x >> 16) + 1];
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+ uv_frac = (x & 0x1fffe);
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+ y_frac = (x & 0xffff);
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+ u = (uv_frac * u1 + (uv_frac ^ 0x1fffe) * u0) >> 17;
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+ v = (uv_frac * v1 + (uv_frac ^ 0x1fffe) * v0) >> 17;
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+ y = (y_frac * y1 + (y_frac ^ 0xffff) * y0) >> 16;
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+ x += source_dx;
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+
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+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * u)),
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+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * v)));
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+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
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+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
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+
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+ y0 = y_buf[x >> 16];
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+ y1 = y_buf[(x >> 16) + 1];
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+ y_frac = (x & 0xffff);
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+ y = (y_frac * y1 + (y_frac ^ 0xffff) * y0) >> 16;
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+ x += source_dx;
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+
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+ xmmY2 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
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+ xmmY2 = _mm_adds_epi16(xmmY2, xmm0);
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+
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+ xmmY = _mm_shuffle_ps(_mm_castsi128_ps(xmmY1), _mm_castsi128_ps(xmmY2),
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+ 0x44);
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+ xmmY1 = _mm_srai_epi16(_mm_castps_si128(xmmY), 6);
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+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
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+
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+ _mm_storel_epi64(reinterpret_cast<__m128i*>(rgb_buf), xmmY1);
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+ rgb_buf += 8;
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+ width -= 2;
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+ }
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+
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+ if (width) {
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+ u = u_buf[x >> 17];
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+ v = v_buf[x >> 17];
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+ y = y_buf[x >> 16];
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+
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+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * u)),
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+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * v)));
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+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
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+
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+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
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+ xmmY1 = _mm_srai_epi16(xmmY1, 6);
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+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
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+ *reinterpret_cast<uint32*>(rgb_buf) = _mm_cvtsi128_si32(xmmY1);
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+ }
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+}
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+
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+void FastConvertYUVToRGB32Row(const uint8* y_buf,
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+ const uint8* u_buf,
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+ const uint8* v_buf,
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+ uint8* rgb_buf,
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+ int width) {
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+ FastConvertYUVToRGB32Row_SSE2(y_buf, u_buf, v_buf, rgb_buf, width);
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+}
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+
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+void ScaleYUVToRGB32Row(const uint8* y_buf,
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+ const uint8* u_buf,
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+ const uint8* v_buf,
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+ uint8* rgb_buf,
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+ int width,
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+ int source_dx) {
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+ ScaleYUVToRGB32Row_SSE2(y_buf, u_buf, v_buf, rgb_buf, width, source_dx);
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+}
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+
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+void LinearScaleYUVToRGB32Row(const uint8* y_buf,
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+ const uint8* u_buf,
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+ const uint8* v_buf,
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+ uint8* rgb_buf,
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+ int width,
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+ int source_dx) {
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+ LinearScaleYUVToRGB32Row_SSE2(y_buf, u_buf, v_buf, rgb_buf, width,
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+ source_dx);
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+}
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+
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+} // extern "C"
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