diff options
Diffstat (limited to 'src/i830_video.c')
| -rw-r--r-- | src/i830_video.c | 176 |
1 files changed, 54 insertions, 122 deletions
diff --git a/src/i830_video.c b/src/i830_video.c index f4a2663f..a4cb11e9 100644 --- a/src/i830_video.c +++ b/src/i830_video.c @@ -1349,6 +1349,55 @@ I830CopyPackedData(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, drm_intel_bo_unmap(pPriv->buf); } +static void i830_memcpy_plane(unsigned char *dst, unsigned char *src, + int height, int width, + int dstPitch, int srcPitch, Rotation rotation) +{ + int i, j = 0; + unsigned char *s; + + switch (rotation) { + case RR_Rotate_0: + /* optimise for the case of no clipping */ + if (srcPitch == dstPitch && srcPitch == width) + memcpy (dst, src, srcPitch * height); + else + for (i = 0; i < height; i++) { + memcpy(dst, src, width); + src += srcPitch; + dst += dstPitch; + } + break; + case RR_Rotate_90: + for (i = 0; i < height; i++) { + s = src; + for (j = 0; j < width; j++) { + dst[(i) + ((width - j - 1) * dstPitch)] = *s++; + } + src += srcPitch; + } + break; + case RR_Rotate_180: + for (i = 0; i < height; i++) { + s = src; + for (j = 0; j < width; j++) { + dst[(width - j - 1) + ((height - i - 1) * dstPitch)] = *s++; + } + src += srcPitch; + } + break; + case RR_Rotate_270: + for (i = 0; i < height; i++) { + s = src; + for (j = 0; j < width; j++) { + dst[(height - i - 1) + (j * dstPitch)] = *s++; + } + src += srcPitch; + } + break; + } +} + static void I830CopyPlanarData(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, unsigned char *buf, int srcPitch, @@ -1356,9 +1405,7 @@ I830CopyPlanarData(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, int h, int w, int id) { I830Ptr pI830 = I830PTR(pScrn); - int i, j = 0; unsigned char *src1, *src2, *src3, *dst_base, *dst1, *dst2, *dst3; - unsigned char *s; int dstPitch2 = dstPitch << 1; #if 0 @@ -1388,46 +1435,7 @@ I830CopyPlanarData(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, else dst1 = dst_base + pPriv->YBuf1offset; - switch (pPriv->rotation) { - case RR_Rotate_0: - /* optimise for the case of no clipping */ - if (srcPitch == dstPitch2 && srcPitch == w) - memcpy (dst1, src1, srcPitch * h); - else - for (i = 0; i < h; i++) { - memcpy(dst1, src1, w); - src1 += srcPitch; - dst1 += dstPitch2; - } - break; - case RR_Rotate_90: - for (i = 0; i < h; i++) { - s = src1; - for (j = 0; j < w; j++) { - dst1[(i) + ((w - j - 1) * dstPitch2)] = *s++; - } - src1 += srcPitch; - } - break; - case RR_Rotate_180: - for (i = 0; i < h; i++) { - s = src1; - for (j = 0; j < w; j++) { - dst1[(w - j - 1) + ((h - i - 1) * dstPitch2)] = *s++; - } - src1 += srcPitch; - } - break; - case RR_Rotate_270: - for (i = 0; i < h; i++) { - s = src1; - for (j = 0; j < w; j++) { - dst1[(h - i - 1) + (j * dstPitch2)] = *s++; - } - src1 += srcPitch; - } - break; - } + i830_memcpy_plane(dst1, src1, h, w, dstPitch2, srcPitch, pPriv->rotation); /* Copy V data for YV12, or U data for I420 */ src2 = buf + /* start of YUV data */ @@ -1451,46 +1459,8 @@ I830CopyPlanarData(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, dst2 = dst_base + pPriv->VBuf1offset; } - switch (pPriv->rotation) { - case RR_Rotate_0: - /* optimise for the case of no clipping */ - if (srcPitch2 == dstPitch && srcPitch2 == (w/2)) - memcpy (dst2, src2, h/2 * srcPitch2); - else - for (i = 0; i < h / 2; i++) { - memcpy(dst2, src2, w / 2); - src2 += srcPitch2; - dst2 += dstPitch; - } - break; - case RR_Rotate_90: - for (i = 0; i < (h/2); i++) { - s = src2; - for (j = 0; j < (w/2); j++) { - dst2[(i) + (((w/2) - j - 1) * (dstPitch))] = *s++; - } - src2 += srcPitch2; - } - break; - case RR_Rotate_180: - for (i = 0; i < (h/2); i++) { - s = src2; - for (j = 0; j < (w/2); j++) { - dst2[((w/2) - j - 1) + (((h/2) - i - 1) * dstPitch)] = *s++; - } - src2 += srcPitch2; - } - break; - case RR_Rotate_270: - for (i = 0; i < (h/2); i++) { - s = src2; - for (j = 0; j < (w/2); j++) { - dst2[((h/2) - i - 1) + (j * dstPitch)] = *s++; - } - src2 += srcPitch2; - } - break; - } + i830_memcpy_plane(dst2, src2, h/2, w/2, + dstPitch, srcPitch2, pPriv->rotation); /* Copy U data for YV12, or V data for I420 */ src3 = buf + /* start of YUV data */ @@ -1514,46 +1484,8 @@ I830CopyPlanarData(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, dst3 = dst_base + pPriv->UBuf1offset; } - switch (pPriv->rotation) { - case RR_Rotate_0: - /* optimise for the case of no clipping */ - if (srcPitch2 == dstPitch && srcPitch2 == (w/2)) - memcpy (dst3, src3, srcPitch2 * h/2); - else - for (i = 0; i < h / 2; i++) { - memcpy(dst3, src3, w / 2); - src3 += srcPitch2; - dst3 += dstPitch; - } - break; - case RR_Rotate_90: - for (i = 0; i < (h/2); i++) { - s = src3; - for (j = 0; j < (w/2); j++) { - dst3[(i) + (((w/2) - j - 1) * (dstPitch))] = *s++; - } - src3 += srcPitch2; - } - break; - case RR_Rotate_180: - for (i = 0; i < (h/2); i++) { - s = src3; - for (j = 0; j < (w/2); j++) { - dst3[((w/2) - j - 1) + (((h/2) - i - 1) * dstPitch)] = *s++; - } - src3 += srcPitch2; - } - break; - case RR_Rotate_270: - for (i = 0; i < (h/2); i++) { - s = src3; - for (j = 0; j < (w/2); j++) { - dst3[((h/2) - i - 1) + (j * dstPitch)] = *s++; - } - src3 += srcPitch2; - } - break; - } + i830_memcpy_plane(dst3, src3, h/2, w/2, + dstPitch, srcPitch2, pPriv->rotation); if (pPriv->textured) drm_intel_bo_unmap(pPriv->buf); |