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gecko-dev/gfx/ycbcr/win64.patch
Makoto Kato ac69aff181 Bug 571739 - Fix VC8 support on Win64. r=neil
2011-05-09 00:07:58 +09:00

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diff --git a/gfx/ycbcr/yuv_row_win64.cpp b/gfx/ycbcr/yuv_row_win64.cpp
new file mode 100644
--- /dev/null
+++ b/gfx/ycbcr/yuv_row_win64.cpp
@@ -0,0 +1,205 @@
+// 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 "yuv_row.h"
+
+extern "C" {
+
+// x64 compiler doesn't support MMX and inline assembler. Use SSE2 intrinsics.
+
+#define kCoefficientsRgbU (reinterpret_cast<uint8*>(kCoefficientsRgbY) + 2048)
+#define kCoefficientsRgbV (reinterpret_cast<uint8*>(kCoefficientsRgbY) + 4096)
+
+#include <emmintrin.h>
+
+static void FastConvertYUVToRGB32Row_SSE2(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) {
+ __m128i xmm0, xmmY1, xmmY2;
+ __m128 xmmY;
+
+ while (width >= 2) {
+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * *u_buf++)),
+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * *v_buf++)));
+
+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * *y_buf++));
+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
+
+ xmmY2 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * *y_buf++));
+ xmmY2 = _mm_adds_epi16(xmmY2, xmm0);
+
+ xmmY = _mm_shuffle_ps(_mm_castsi128_ps(xmmY1), _mm_castsi128_ps(xmmY2),
+ 0x44);
+ xmmY1 = _mm_srai_epi16(_mm_castps_si128(xmmY), 6);
+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
+
+ _mm_storel_epi64(reinterpret_cast<__m128i*>(rgb_buf), xmmY1);
+ rgb_buf += 8;
+ width -= 2;
+ }
+
+ if (width) {
+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * *u_buf)),
+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * *v_buf)));
+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * *y_buf));
+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
+ xmmY1 = _mm_srai_epi16(xmmY1, 6);
+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
+ *reinterpret_cast<uint32*>(rgb_buf) = _mm_cvtsi128_si32(xmmY1);
+ }
+}
+
+static void ScaleYUVToRGB32Row_SSE2(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx) {
+ __m128i xmm0, xmmY1, xmmY2;
+ __m128 xmmY;
+ uint8 u, v, y;
+ int x = 0;
+
+ while (width >= 2) {
+ u = u_buf[x >> 17];
+ v = v_buf[x >> 17];
+ y = y_buf[x >> 16];
+ x += source_dx;
+
+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * u)),
+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * v)));
+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
+
+ y = y_buf[x >> 16];
+ x += source_dx;
+
+ xmmY2 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
+ xmmY2 = _mm_adds_epi16(xmmY2, xmm0);
+
+ xmmY = _mm_shuffle_ps(_mm_castsi128_ps(xmmY1), _mm_castsi128_ps(xmmY2),
+ 0x44);
+ xmmY1 = _mm_srai_epi16(_mm_castps_si128(xmmY), 6);
+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
+
+ _mm_storel_epi64(reinterpret_cast<__m128i*>(rgb_buf), xmmY1);
+ rgb_buf += 8;
+ width -= 2;
+ }
+
+ if (width) {
+ u = u_buf[x >> 17];
+ v = v_buf[x >> 17];
+ y = y_buf[x >> 16];
+
+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * u)),
+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * v)));
+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
+ xmmY1 = _mm_srai_epi16(xmmY1, 6);
+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
+ *reinterpret_cast<uint32*>(rgb_buf) = _mm_cvtsi128_si32(xmmY1);
+ }
+}
+
+static void LinearScaleYUVToRGB32Row_SSE2(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx) {
+ __m128i xmm0, xmmY1, xmmY2;
+ __m128 xmmY;
+ uint8 u0, u1, v0, v1, y0, y1;
+ uint32 uv_frac, y_frac, u, v, y;
+ int x = 0;
+
+ if (source_dx >= 0x20000) {
+ x = 32768;
+ }
+
+ while(width >= 2) {
+ u0 = u_buf[x >> 17];
+ u1 = u_buf[(x >> 17) + 1];
+ v0 = v_buf[x >> 17];
+ v1 = v_buf[(x >> 17) + 1];
+ y0 = y_buf[x >> 16];
+ y1 = y_buf[(x >> 16) + 1];
+ uv_frac = (x & 0x1fffe);
+ y_frac = (x & 0xffff);
+ u = (uv_frac * u1 + (uv_frac ^ 0x1fffe) * u0) >> 17;
+ v = (uv_frac * v1 + (uv_frac ^ 0x1fffe) * v0) >> 17;
+ y = (y_frac * y1 + (y_frac ^ 0xffff) * y0) >> 16;
+ x += source_dx;
+
+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * u)),
+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * v)));
+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
+
+ y0 = y_buf[x >> 16];
+ y1 = y_buf[(x >> 16) + 1];
+ y_frac = (x & 0xffff);
+ y = (y_frac * y1 + (y_frac ^ 0xffff) * y0) >> 16;
+ x += source_dx;
+
+ xmmY2 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
+ xmmY2 = _mm_adds_epi16(xmmY2, xmm0);
+
+ xmmY = _mm_shuffle_ps(_mm_castsi128_ps(xmmY1), _mm_castsi128_ps(xmmY2),
+ 0x44);
+ xmmY1 = _mm_srai_epi16(_mm_castps_si128(xmmY), 6);
+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
+
+ _mm_storel_epi64(reinterpret_cast<__m128i*>(rgb_buf), xmmY1);
+ rgb_buf += 8;
+ width -= 2;
+ }
+
+ if (width) {
+ u = u_buf[x >> 17];
+ v = v_buf[x >> 17];
+ y = y_buf[x >> 16];
+
+ xmm0 = _mm_adds_epi16(_mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbU + 8 * u)),
+ _mm_loadl_epi64(reinterpret_cast<__m128i*>(kCoefficientsRgbV + 8 * v)));
+ xmmY1 = _mm_loadl_epi64(reinterpret_cast<__m128i*>(reinterpret_cast<uint8*>(kCoefficientsRgbY) + 8 * y));
+
+ xmmY1 = _mm_adds_epi16(xmmY1, xmm0);
+ xmmY1 = _mm_srai_epi16(xmmY1, 6);
+ xmmY1 = _mm_packus_epi16(xmmY1, xmmY1);
+ *reinterpret_cast<uint32*>(rgb_buf) = _mm_cvtsi128_si32(xmmY1);
+ }
+}
+
+void FastConvertYUVToRGB32Row(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width) {
+ FastConvertYUVToRGB32Row_SSE2(y_buf, u_buf, v_buf, rgb_buf, width);
+}
+
+void ScaleYUVToRGB32Row(const uint8* y_buf,
+ const uint8* u_buf,
+ const uint8* v_buf,
+ uint8* rgb_buf,
+ int width,
+ int source_dx) {
+ ScaleYUVToRGB32Row_SSE2(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) {
+ LinearScaleYUVToRGB32Row_SSE2(y_buf, u_buf, v_buf, rgb_buf, width,
+ source_dx);
+}
+
+} // extern "C"
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