162 lines
3.8 KiB
C
162 lines
3.8 KiB
C
/*
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* Copyright © 2004 David Reveman
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the names of
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* David Reveman not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior permission.
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* David Reveman makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*
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* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
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* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: David Reveman <davidr@freedesktop.org>
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*/
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#include "xgl.h"
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#include "fb.h"
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Bool
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xglSetPixels (DrawablePtr pDrawable,
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char *src,
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int stride,
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Bool upsideDown,
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int x,
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int y,
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int width,
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int height,
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BoxPtr pBox,
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int nBox)
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{
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glitz_pixel_format_t format;
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glitz_surface_t *surface;
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FbBits *srcBits, *dstBits;
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FbStride srcStride, dstStride;
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BoxPtr pDstBox;
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int nDstBox;
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int dstXoff, dstYoff, dstBpp;
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int dstY, srcY;
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int x1, y1, x2, y2;
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XGL_DRAWABLE_PIXMAP (pDrawable);
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XGL_PIXMAP_PRIV (pPixmap);
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if (!nBox)
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return TRUE;
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if (!xglSyncSurface (pDrawable))
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return FALSE;
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XGL_GET_DRAWABLE (pDrawable, surface, dstXoff, dstYoff);
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if (!xglMapPixmapBits (pPixmap))
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return FALSE;
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dstBpp = pDrawable->bitsPerPixel;
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srcBits = (FbBits *) src;
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dstBits = (FbBits *) pPixmap->devPrivate.ptr;
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srcStride = stride / sizeof (FbBits);
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dstStride = pPixmapPriv->stride / sizeof (FbBits);
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pDstBox = xalloc (nBox);
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if (!pDstBox)
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return FALSE;
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nDstBox = 0;
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while (nBox--)
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{
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x1 = x;
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y1 = y;
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x2 = x + width;
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y2 = y + height;
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if (x1 < pBox->x1)
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x1 = pBox->x1;
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if (y1 < pBox->y1)
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y1 = pBox->y1;
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if (x2 > pBox->x2)
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x2 = pBox->x2;
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if (y2 > pBox->y2)
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y2 = pBox->y2;
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if (x1 < x2 && y1 < y2)
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{
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if (XGL_INTERNAL_SCANLINE_ORDER_UPSIDE_DOWN)
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dstY = pDrawable->height - (y2 + dstYoff);
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else
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dstY = y1 + dstYoff;
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if (upsideDown)
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srcY = height - (y2 - y);
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else
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srcY = y1 - y;
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fbBlt (srcBits + srcY * srcStride,
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srcStride,
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(x1 - x) * dstBpp,
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dstBits + dstY * dstStride,
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dstStride,
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(x1 + dstXoff) * dstBpp,
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(x2 - x1) * dstBpp,
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y2 - y1,
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GXcopy,
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FB_ALLONES,
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dstBpp,
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FALSE,
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upsideDown != XGL_INTERNAL_SCANLINE_ORDER_UPSIDE_DOWN);
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pDstBox[nDstBox].x1 = x1;
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pDstBox[nDstBox].y1 = y1;
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pDstBox[nDstBox].x2 = x2;
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pDstBox[nDstBox].y2 = y2;
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nDstBox++;
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}
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pBox++;
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}
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xglUnmapPixmapBits (pPixmap);
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format.masks = pPixmapPriv->pPixel->masks;
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format.bytes_per_line = pPixmapPriv->stride;
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format.scanline_order = XGL_INTERNAL_SCANLINE_ORDER;
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pBox = pDstBox;
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while (nDstBox--)
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{
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format.xoffset = pBox->x1 + dstXoff;
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format.skip_lines = pBox->y1 + dstYoff;
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glitz_set_pixels (surface,
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pBox->x1 + dstXoff,
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pBox->y1 + dstYoff,
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pBox->x2 - pBox->x1,
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pBox->y2 - pBox->y1,
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&format,
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pPixmapPriv->buffer);
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pBox++;
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}
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xfree (pDstBox);
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return TRUE;
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}
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