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authorZack Rusin <zackr@vmware.com>2009-12-10 13:01:53 -0500
committerZack Rusin <zackr@vmware.com>2009-12-10 13:04:26 -0500
commit967e6e20099ebd3a7f68f49233e6cf3c99ce3317 (patch)
treedca5af51aed39d920ac5664f46753f830e1da99c /src/gallium/state_trackers/xorg
parent690d888416909f0449e6ebbfa46f18079b68b1bd (diff)
st/xorg: fix yv12 plus some cleanups in the upload code
Diffstat (limited to 'src/gallium/state_trackers/xorg')
-rw-r--r--src/gallium/state_trackers/xorg/xorg_xv.c127
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 fdc1cdb82e..19c50051a8 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)
{