static glitz_buffer_t * _glitz_minimum_buffer (glitz_surface_t *surface, const glitz_rectangle_t *rects, int n_rects, unsigned int *pixel) { glitz_buffer_t *buffer; int i, size = 0; unsigned int *data; while (n_rects--) { i = rects->width * rects->height; if (i > size) size = i; rects++; } if (size <= 1) return glitz_buffer_create_for_data (pixel); buffer = glitz_pixel_buffer_create (surface->drawable, NULL, size * sizeof (unsigned int), GLITZ_BUFFER_HINT_STATIC_DRAW); if (!buffer) return NULL; data = glitz_buffer_map (buffer, GLITZ_BUFFER_ACCESS_WRITE_ONLY); while (size--) *data++ = *pixel; glitz_buffer_unmap (buffer); return buffer; }
void xglValidateGC (GCPtr pGC, unsigned long changes, DrawablePtr pDrawable) { XGL_GC_PRIV (pGC); if (changes & GCTile) { if (!pGC->tileIsPixel && FbEvenTile (pGC->tile.pixmap->drawable.width * pDrawable->bitsPerPixel)) xglSyncBits (&pGC->tile.pixmap->drawable, NULL); } if (changes & GCStipple) { if (pGC->stipple) xglSyncBits (&pGC->stipple->drawable, NULL); } XGL_GC_UNWRAP (funcs); XGL_GC_UNWRAP (ops); (*pGC->funcs->ValidateGC) (pGC, changes, pDrawable); XGL_GC_WRAP (funcs, (GCFuncs *) &xglGCFuncs); XGL_GC_WRAP (ops, (GCOps *) &xglGCOps); if (pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS)) { XGL_DRAWABLE_PIXMAP_PRIV (pDrawable); if (pPixmapPriv->pVisual && pPixmapPriv->pVisual->format.surface) { glitz_format_t *format; format = pPixmapPriv->pVisual->format.surface; if (format->id != pGCPriv->id) { XGL_SCREEN_PRIV (pDrawable->pScreen); pGCPriv->flags |= xglGCSoftwareDrawableFlag; if (pGCPriv->fg) glitz_surface_destroy (pGCPriv->fg); pGCPriv->fg = glitz_surface_create (pScreenPriv->drawable, format, 1, 1, 0, NULL); if (pGCPriv->fg) glitz_surface_set_fill (pGCPriv->fg, GLITZ_FILL_REPEAT); if (pGCPriv->bg) glitz_surface_destroy (pGCPriv->bg); pGCPriv->bg = glitz_surface_create (pScreenPriv->drawable, format, 1, 1, 0, NULL); if (pGCPriv->bg) glitz_surface_set_fill (pGCPriv->bg, GLITZ_FILL_REPEAT); pGCPriv->id = format->id; if (pGCPriv->fg && pGCPriv->bg) { changes |= (GCForeground | GCBackground); pGCPriv->flags &= ~xglGCSoftwareDrawableFlag; } } } else pGCPriv->flags |= xglGCSoftwareDrawableFlag; } if (changes & GCFunction) { switch (pGC->alu) { case GXclear: pGCPriv->op = GLITZ_OPERATOR_CLEAR; pGCPriv->flags &= ~xglGCBadFunctionFlag; break; case GXcopy: pGCPriv->op = GLITZ_OPERATOR_SRC; pGCPriv->flags &= ~xglGCBadFunctionFlag; break; case GXnoop: pGCPriv->op = GLITZ_OPERATOR_DST; pGCPriv->flags &= ~xglGCBadFunctionFlag; break; default: pGCPriv->flags |= xglGCBadFunctionFlag; break; } } if (changes & GCPlaneMask) { FbBits mask; mask = FbFullMask (pDrawable->depth); if ((pGC->planemask & mask) != mask) pGCPriv->flags |= xglGCPlaneMaskFlag; else pGCPriv->flags &= ~xglGCPlaneMaskFlag; } if (!(pGCPriv->flags & xglGCSoftwareDrawableFlag)) { if (changes & (GCForeground | GCBackground)) { glitz_pixel_format_t format; glitz_buffer_t *buffer; CARD32 pixel; XGL_DRAWABLE_PIXMAP_PRIV (pDrawable); format.fourcc = GLITZ_FOURCC_RGB; format.masks = pPixmapPriv->pVisual->pPixel->masks; format.xoffset = 0; format.skip_lines = 0; format.bytes_per_line = sizeof (CARD32); format.scanline_order = GLITZ_PIXEL_SCANLINE_ORDER_BOTTOM_UP; buffer = glitz_buffer_create_for_data (&pixel); if (changes & GCForeground) { pixel = pGC->fgPixel; glitz_set_pixels (pGCPriv->fg, 0, 0, 1, 1, &format, buffer); } if (changes & GCBackground) { pixel = pGC->bgPixel; glitz_set_pixels (pGCPriv->bg, 0, 0, 1, 1, &format, buffer); } glitz_buffer_destroy (buffer); } } }