diff options
| -rw-r--r-- | src/gallium/state_trackers/xorg/xorg_xv.c | 127 |
1 files changed, 70 insertions, 57 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_xv.c b/src/gallium/state_trackers/xorg/xorg_xv.c index fdc1cdb82ee..19c50051a85 100644 --- a/src/gallium/state_trackers/xorg/xorg_xv.c +++ b/src/gallium/state_trackers/xorg/xorg_xv.c @@ -213,17 +213,67 @@ check_yuv_textures(struct xorg_xv_port_priv *priv, int width, int height) return Success; } +static int +query_image_attributes(ScrnInfoPtr pScrn, + int id, + unsigned short *w, unsigned short *h, + int *pitches, int *offsets) +{ + int size, tmp; + + if (*w > IMAGE_MAX_WIDTH) + *w = IMAGE_MAX_WIDTH; + if (*h > IMAGE_MAX_HEIGHT) + *h = IMAGE_MAX_HEIGHT; + + *w = (*w + 1) & ~1; + if (offsets) + offsets[0] = 0; + + switch (id) { + case FOURCC_YV12: + *h = (*h + 1) & ~1; + size = (*w + 3) & ~3; + if (pitches) { + pitches[0] = size; + } + size *= *h; + if (offsets) { + offsets[1] = size; + } + tmp = ((*w >> 1) + 3) & ~3; + if (pitches) { + pitches[1] = pitches[2] = tmp; + } + tmp *= (*h >> 1); + size += tmp; + if (offsets) { + offsets[2] = size; + } + size += tmp; + break; + case FOURCC_UYVY: + case FOURCC_YUY2: + default: + size = *w << 1; + if (pitches) + pitches[0] = size; + size *= *h; + break; + } + + return size; +} + static void copy_packed_data(ScrnInfoPtr pScrn, struct xorg_xv_port_priv *port, int id, unsigned char *buf, - int srcPitch, int left, int top, - int w, int h) + unsigned short w, unsigned short h) { - unsigned char *src; int i, j; struct pipe_texture **dst = port->yuv[port->current_set]; struct pipe_transfer *ytrans, *utrans, *vtrans; @@ -233,8 +283,6 @@ copy_packed_data(ScrnInfoPtr pScrn, int yidx, uidx, vidx; int y_array_size = w * h; - src = buf + (top * srcPitch) + (left << 1); - ytrans = screen->get_tex_transfer(screen, dst[0], 0, 0, 0, PIPE_TRANSFER_WRITE, @@ -256,15 +304,22 @@ copy_packed_data(ScrnInfoPtr pScrn, switch (id) { case FOURCC_YV12: { - for (i = 0; i < w; ++i) { - for (j = 0; j < h; ++j) { - /*XXX use src? */ - y1 = buf[j*w + i]; - u = buf[(j/2) * (w/2) + i/2 + y_array_size]; - v = buf[(j/2) * (w/2) + i/2 + y_array_size + y_array_size/4]; - ymap[yidx++] = y1; - umap[uidx++] = u; - vmap[vidx++] = v; + int pitches[3], offsets[3]; + unsigned char *y, *u, *v; + query_image_attributes(pScrn, FOURCC_YV12, + &w, &h, pitches, offsets); + + y = buf + offsets[0]; + v = buf + offsets[1]; + u = buf + offsets[2]; + for (i = 0; i < h; ++i) { + for (j = 0; j < w; ++j) { + int yoffset = (w*i+j); + int ii = (i|1), jj = (j|1); + int vuoffset = (w/2)*(ii/2) + (jj/2); + ymap[yidx++] = y[yoffset]; + umap[uidx++] = u[vuoffset]; + vmap[vidx++] = v[vuoffset]; } } } @@ -511,7 +566,6 @@ put_image(ScrnInfoPtr pScrn, ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex]; PixmapPtr pPixmap; INT32 x1, x2, y1, y2; - int srcPitch; BoxRec dstBox; int ret; @@ -530,21 +584,12 @@ put_image(ScrnInfoPtr pScrn, width, height)) return Success; - switch (id) { - case FOURCC_UYVY: - case FOURCC_YUY2: - case FOURCC_YV12: - default: - srcPitch = width << 1; - break; - } - ret = check_yuv_textures(pPriv, width, height); if (ret) return ret; - copy_packed_data(pScrn, pPriv, id, buf, srcPitch, + copy_packed_data(pScrn, pPriv, id, buf, src_x, src_y, width, height); if (pDraw->type == DRAWABLE_WINDOW) { @@ -562,38 +607,6 @@ put_image(ScrnInfoPtr pScrn, return Success; } -static int -query_image_attributes(ScrnInfoPtr pScrn, - int id, - unsigned short *w, unsigned short *h, - int *pitches, int *offsets) -{ - int size; - - if (*w > IMAGE_MAX_WIDTH) - *w = IMAGE_MAX_WIDTH; - if (*h > IMAGE_MAX_HEIGHT) - *h = IMAGE_MAX_HEIGHT; - - *w = (*w + 1) & ~1; - if (offsets) - offsets[0] = 0; - - switch (id) { - case FOURCC_UYVY: - case FOURCC_YUY2: - case FOURCC_YV12: - default: - size = *w << 1; - if (pitches) - pitches[0] = size; - size *= *h; - break; - } - - return size; -} - static struct xorg_xv_port_priv * port_priv_create(struct xorg_renderer *r) { |