diff options
author | George Sapountzis <gsapountzis@gmail.com> | 2010-03-27 20:32:52 +0200 |
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committer | George Sapountzis <gsapountzis@gmail.com> | 2010-03-27 20:56:36 +0200 |
commit | f4e561ce127cf484d7c76c29b8cd026c9ad5cebc (patch) | |
tree | 38b94af9ee5a6242acdcfcd9d7584a97ad97ad8d /src/glx/drisw_glx.c | |
parent | 02ee7c29502966dffa44243bfc8c20c15907b880 (diff) |
drisw: make stride issue profound
Diffstat (limited to 'src/glx/drisw_glx.c')
-rw-r--r-- | src/glx/drisw_glx.c | 92 |
1 files changed, 61 insertions, 31 deletions
diff --git a/src/glx/drisw_glx.c b/src/glx/drisw_glx.c index 99f8f2cbf06..ca85ae3a313 100644 --- a/src/glx/drisw_glx.c +++ b/src/glx/drisw_glx.c @@ -53,7 +53,6 @@ struct __GLXDRIdrawablePrivateRec XVisualInfo *visinfo; XImage *ximage; - int bpp; }; /** @@ -90,13 +89,10 @@ XCreateDrawable(__GLXDRIdrawablePrivate * pdp, pdp->visinfo->depth, ZPixmap, 0, /* format, offset */ NULL, /* data */ - 0, 0, /* size */ - 32, /* bitmap_pad */ + 0, 0, /* width, height */ + 8, /* bitmap_pad */ 0); /* bytes_per_line */ - /* get the true number of bits per pixel */ - pdp->bpp = pdp->ximage->bits_per_pixel; - return True; } @@ -112,7 +108,8 @@ XDestroyDrawable(__GLXDRIdrawablePrivate * pdp, Display * dpy, XID drawable) static void swrastGetDrawableInfo(__DRIdrawable * draw, - int *x, int *y, int *w, int *h, void *loaderPrivate) + int *x, int *y, int *w, int *h, + void *loaderPrivate) { __GLXDRIdrawablePrivate *pdp = loaderPrivate; __GLXDRIdrawable *pdraw = &(pdp->base); @@ -121,26 +118,20 @@ swrastGetDrawableInfo(__DRIdrawable * draw, Window root; Status stat; - unsigned int bw, depth; + unsigned uw, uh, bw, depth; drawable = pdraw->xDrawable; stat = XGetGeometry(dpy, drawable, &root, - x, y, (unsigned int *) w, (unsigned int *) h, - &bw, &depth); -} - -static inline int -bytes_per_line(int w, int bpp, unsigned mul) -{ - unsigned mask = mul - 1; - - return ((w * bpp + mask) & ~mask) / 8; + x, y, &uw, &uh, &bw, &depth); + *w = uw; + *h = uh; } static void -swrastPutImage(__DRIdrawable * draw, int op, - int x, int y, int w, int h, char *data, void *loaderPrivate) +swrastPutImage2(__DRIdrawable * draw, int op, + int x, int y, int w, int h, + char *data, int pitch, void *loaderPrivate) { __GLXDRIdrawablePrivate *pdp = loaderPrivate; __GLXDRIdrawable *pdraw = &(pdp->base); @@ -166,7 +157,7 @@ swrastPutImage(__DRIdrawable * draw, int op, ximage->data = data; ximage->width = w; ximage->height = h; - ximage->bytes_per_line = bytes_per_line(w, pdp->bpp, 32); + ximage->bytes_per_line = pitch; XPutImage(dpy, drawable, gc, ximage, 0, 0, x, y, w, h); @@ -174,28 +165,67 @@ swrastPutImage(__DRIdrawable * draw, int op, } static void -swrastGetImage(__DRIdrawable * draw, - int x, int y, int w, int h, char *data, void *loaderPrivate) +swrastGetImage2(__DRIdrawable * read, + int x, int y, int w, int h, + char *data, int pitch, void *loaderPrivate) { - __GLXDRIdrawablePrivate *pdp = loaderPrivate; - __GLXDRIdrawable *pdraw = &(pdp->base); - Display *dpy = pdraw->psc->dpy; - Drawable drawable; + __GLXDRIdrawablePrivate *prp = loaderPrivate; + __GLXDRIdrawable *pread = &(prp->base); + Display *dpy = pread->psc->dpy; + Drawable readable; XImage *ximage; - drawable = pdraw->xDrawable; + readable = pread->xDrawable; - ximage = pdp->ximage; + ximage = prp->ximage; ximage->data = data; ximage->width = w; ximage->height = h; - ximage->bytes_per_line = bytes_per_line(w, pdp->bpp, 32); + ximage->bytes_per_line = pitch; - XGetSubImage(dpy, drawable, x, y, w, h, ~0L, ZPixmap, ximage, 0, 0); + XGetSubImage(dpy, readable, x, y, w, h, ~0L, ZPixmap, ximage, 0, 0); ximage->data = NULL; } +static inline int +bytes_per_line(unsigned pitch_bits, unsigned mul) +{ + unsigned mask = mul - 1; + + return ((pitch_bits + mask) & ~mask) / 8; +} + +static void +swrastPutImage(__DRIdrawable * draw, int op, + int x, int y, int w, int h, + char *data, void *loaderPrivate) +{ + __GLXDRIdrawablePrivate *pdp = loaderPrivate; + int bpp, pitch; + + bpp = pdp->ximage->bits_per_pixel; + + pitch = bytes_per_line(w * bpp, 32); + + swrastPutImage2(draw, op, x, y, w, h, data, pitch, loaderPrivate); +} + +static void +swrastGetImage(__DRIdrawable * read, + int x, int y, int w, int h, + char *data, void *loaderPrivate) +{ + __GLXDRIdrawablePrivate *prp = loaderPrivate; + int bpp, pitch; + + bpp = prp->ximage->bits_per_pixel; + + pitch = bytes_per_line(w * bpp, 32); + + swrastGetImage2(read, x, y, w, h, data, pitch, loaderPrivate); +} + static const __DRIswrastLoaderExtension swrastLoaderExtension = { {__DRI_SWRAST_LOADER, __DRI_SWRAST_LOADER_VERSION}, swrastGetDrawableInfo, |