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diff -Nur xf86-video-siliconmotion-1.7.4/src/smi_video.c xf86-video-siliconmotion-1.7.4-loongson/src/smi_video.c
--- xf86-video-siliconmotion-1.7.4/src/smi_video.c 2010-02-25 08:33:07.000000000 +0100
+++ xf86-video-siliconmotion-1.7.4-loongson/src/smi_video.c 2012-03-13 04:18:18.634989344 +0100
@@ -276,6 +276,7 @@
XVIMAGE_YUY2,
XVIMAGE_YV12,
XVIMAGE_I420,
+ XVIMAGE_UYVY,
{
FOURCC_RV15, /* id */
XvRGB, /* type */
@@ -1464,6 +1465,117 @@
LEAVE();
}
+static void myXVCopyYUV12ToPacked(const unsigned char *srcy, const unsigned char *srcv, const unsigned char *srcu,
+ unsigned char *dst, int srcPitchy, int srcPitchuv, int dstPitch, int h, int w)
+{
+ int i, j;
+ unsigned char const *y, *u, *v;
+ int dstinc, yinc, uinc, vinc;
+
+ y = srcy;
+ u = srcu;
+ v = srcv;
+
+ dstinc = dstPitch - 2*w;
+ yinc = srcPitchy - w;
+ uinc = srcPitchuv - w/2;
+ vinc = srcPitchuv - w/2;
+
+ for (i = 0; i < h; i++) {
+ asm (
+// ".set arch=loongson2f\n\t"
+ ".set noreorder\n\t"
+ "move $8, %8 \n\t"
+ "1: \n\t"
+ "beqz $8, 2f \n\t"
+ "xor $f0, $f0, $f0 \n\t"
+ "ldc1 $f4, (%0) \n\t"
+ "punpcklbh $f2, $f4, $f0 \n\t"
+ "punpckhbh $f4, $f4, $f0 \n\t"
+ "ldc1 $f16, 8(%0) \n\t"
+ "punpcklbh $f14, $f16, $f0 \n\t"
+ "punpckhbh $f16, $f16, $f0 \n\t"
+
+ "lwc1 $f8, (%1) \n\t"
+ "lwc1 $f12, (%2) \n\t"
+ "punpcklbh $f8, $f8, $f12 \n\t"
+ "punpcklbh $f6, $f0, $f8 \n\t"
+ "punpckhbh $f8, $f0, $f8 \n\t"
+ "lwc1 $f18, 4(%1) \n\t"
+ "lwc1 $f12, 4(%2) \n\t"
+ "punpcklbh $f18, $f18, $f12 \n\t"
+ "punpcklbh $f10, $f0, $f18 \n\t"
+ "punpckhbh $f12, $f0, $f18 \n\t"
+
+ "or $f2, $f2, $f6 \n\t"
+ "or $f4, $f4, $f8 \n\t"
+ "or $f14, $f14, $f10 \n\t"
+ "or $f16, $f16, $f12 \n\t"
+
+ "sdc1 $f2, (%3) \n\t"
+ "sdc1 $f4, 8(%3) \n\t"
+ "add %0, 16 \n\t"
+ "add %1, 8 \n\t"
+ "add %2, 8 \n\t"
+ "sdc1 $f14, 0x10(%3) \n\t"
+ "sdc1 $f16, 0x18(%3) \n\t"
+ "add $8, -1 \n\t"
+ "b 1b \n\t"
+ "add %3, 32 \n\t"
+ "2: \n\t"
+ ".set reorder\n\t"
+ : "=r" (y), "=r" (u), "=r" (v), "=r" (dst)
+ : "0" (y), "1" (u), "2" (v), "3" (dst), "r" (w>>4)
+ : "memory","$8"
+ );
+
+ asm (
+// ".set arch=loongson2f\n\t"
+ ".set noreorder\n\t"
+ "move $8, %8 \n\t"
+ "1: \n\t"
+ "beqz $8, 2f \n\t"
+ "xor $f0, $f0, $f0 \n\t"
+ "ldc1 $f4, (%0) \n\t"
+ "punpcklbh $f2, $f4, $f0 \n\t"
+ "punpckhbh $f4, $f4, $f0 \n\t"
+
+ "lwc1 $f8, (%1) \n\t"
+ "lwc1 $f12, (%2) \n\t"
+ "punpcklbh $f8, $f8, $f12 \n\t"
+ "punpcklbh $f6, $f0, $f8 \n\t"
+ "punpckhbh $f8, $f0, $f8 \n\t"
+
+ "or $f2, $f2, $f6 \n\t"
+ "or $f4, $f4, $f8 \n\t"
+
+ "sdc1 $f2, (%3) \n\t"
+ "sdc1 $f4, 8(%3) \n\t"
+ "add %0, 8 \n\t"
+ "add %1, 4 \n\t"
+ "add %2, 4 \n\t"
+ "add $8, -1 \n\t"
+ "b 1b \n\t"
+ "add %3, 16 \n\t"
+ "2:\n\t"
+ ".set reorder\n\t"
+ : "=r" (y), "=r" (u), "=r" (v), "=r" (dst)
+ : "0" (y), "1" (u), "2" (v), "3" (dst), "r" ((w&0xf)/8)
+ : "memory","$8"
+ );
+
+ for (j = (w&7)/2; j; j--) {
+ *dst++ = *y++;
+ *dst++ = *u++;
+ *dst++ = *y++;
+ *dst++ = *v++;
+ }
+ y += yinc;
+ u = (i%2) ? (u + uinc): (u - w/2);
+ v = (i%2) ? (v + vinc): (v - w/2);
+ dst += dstinc;
+ }
+}
static int
SMI_PutImage(
@@ -1592,7 +1704,7 @@
offset3 = tmp;
}
nLines = ((((y2 + 0xffff) >> 16) + 1) & ~1) - top;
- xf86XVCopyYUV12ToPacked(buf + (top * srcPitch) + (left >> 1),
+ myXVCopyYUV12ToPacked(buf + (top * srcPitch) + (left >> 1),
buf + offset2, buf + offset3, dstStart,
srcPitch, srcPitch2, dstPitch, nLines,
nPixels);
|
