ARGBToJ420 and ARGBToJ400 - Full range YUV Jpeg style.
BUG=159
TEST=*J4*
Review URL: https://webrtc-codereview.appspot.com/1243004
git-svn-id: http://libyuv.googlecode.com/svn/trunk@622 16f28f9a-4ce2-e073-06de-1de4eb20be90
diff --git a/source/row_posix.cc b/source/row_posix.cc
index e26303e..db2e5f5 100644
--- a/source/row_posix.cc
+++ b/source/row_posix.cc
@@ -642,6 +642,40 @@
);
}
+void ARGBToYJRow_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ asm volatile (
+ "movdqa %3,%%xmm4 \n"
+ ".p2align 4 \n"
+ "1: \n"
+ "movdqa (%0),%%xmm0 \n"
+ "movdqa 0x10(%0),%%xmm1 \n"
+ "movdqa 0x20(%0),%%xmm2 \n"
+ "movdqa 0x30(%0),%%xmm3 \n"
+ "pmaddubsw %%xmm4,%%xmm0 \n"
+ "pmaddubsw %%xmm4,%%xmm1 \n"
+ "pmaddubsw %%xmm4,%%xmm2 \n"
+ "pmaddubsw %%xmm4,%%xmm3 \n"
+ "lea 0x40(%0),%0 \n"
+ "phaddw %%xmm1,%%xmm0 \n"
+ "phaddw %%xmm3,%%xmm2 \n"
+ "psrlw $0x7,%%xmm0 \n"
+ "psrlw $0x7,%%xmm2 \n"
+ "packuswb %%xmm2,%%xmm0 \n"
+ "sub $0x10,%2 \n"
+ "movdqa %%xmm0,(%1) \n"
+ "lea 0x10(%1),%1 \n"
+ "jg 1b \n"
+ : "+r"(src_argb), // %0
+ "+r"(dst_y), // %1
+ "+r"(pix) // %2
+ : "m"(kARGBToY) // %3
+ : "memory", "cc"
+#if defined(__SSE2__)
+ , "xmm0", "xmm1", "xmm2", "xmm3", "xmm4"
+#endif
+ );
+}
+
void ARGBToYRow_Unaligned_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
asm volatile (
"movdqa %4,%%xmm5 \n"
@@ -679,6 +713,39 @@
);
}
+void ARGBToYJRow_Unaligned_SSSE3(const uint8* src_argb, uint8* dst_y, int pix) {
+ asm volatile (
+ "movdqa %3,%%xmm4 \n"
+ ".p2align 4 \n"
+ "1: \n"
+ "movdqu (%0),%%xmm0 \n"
+ "movdqu 0x10(%0),%%xmm1 \n"
+ "movdqu 0x20(%0),%%xmm2 \n"
+ "movdqu 0x30(%0),%%xmm3 \n"
+ "pmaddubsw %%xmm4,%%xmm0 \n"
+ "pmaddubsw %%xmm4,%%xmm1 \n"
+ "pmaddubsw %%xmm4,%%xmm2 \n"
+ "pmaddubsw %%xmm4,%%xmm3 \n"
+ "lea 0x40(%0),%0 \n"
+ "phaddw %%xmm1,%%xmm0 \n"
+ "phaddw %%xmm3,%%xmm2 \n"
+ "psrlw $0x7,%%xmm0 \n"
+ "psrlw $0x7,%%xmm2 \n"
+ "packuswb %%xmm2,%%xmm0 \n"
+ "sub $0x10,%2 \n"
+ "movdqu %%xmm0,(%1) \n"
+ "lea 0x10(%1),%1 \n"
+ "jg 1b \n"
+ : "+r"(src_argb), // %0
+ "+r"(dst_y), // %1
+ "+r"(pix) // %2
+ : "m"(kARGBToY) // %3
+ : "memory", "cc"
+#if defined(__SSE2__)
+ , "xmm0", "xmm1", "xmm2", "xmm3", "xmm4"
+#endif
+ );
+}
// TODO(fbarchard): pass xmm constants to single block of assembly.
// fpic on GCC 4.2 for OSX runs out of GPR registers. "m" effectively takes
// 3 registers - ebx, ebp and eax. "m" can be passed with 3 normal registers,