diff options
Diffstat (limited to 'hw/xgl/xgltrap.c')
| -rw-r--r-- | hw/xgl/xgltrap.c | 484 |
1 files changed, 0 insertions, 484 deletions
diff --git a/hw/xgl/xgltrap.c b/hw/xgl/xgltrap.c deleted file mode 100644 index fa5af8260..000000000 --- a/hw/xgl/xgltrap.c +++ /dev/null @@ -1,484 +0,0 @@ -/* - * Copyright © 2005 Novell, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without - * fee, provided that the above copyright notice appear in all copies - * and that both that copyright notice and this permission notice - * appear in supporting documentation, and that the name of - * Novell, Inc. not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior permission. - * Novell, Inc. makes no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN - * NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS - * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION - * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: David Reveman <davidr@novell.com> - */ - -#include "xgl.h" -#include "gcstruct.h" -#include "damage.h" - -#ifdef RENDER - -#define XGL_TRAP_FALLBACK_PROLOGUE(pPicture, func) \ - xglSyncDamageBoxBits (pPicture->pDrawable); \ - XGL_PICTURE_SCREEN_UNWRAP (func) - -#define XGL_TRAP_FALLBACK_EPILOGUE(pPicture, func, xglfunc) \ - XGL_PICTURE_SCREEN_WRAP (func, xglfunc); \ - xglAddCurrentSurfaceDamage (pPicture->pDrawable) - -/* just a guess */ -#define SMOOTH_TRAPS_ESTIMATE_RECTS(nTrap) (30 * nTrap) - -#define LINE_FIXED_X(l, _y, v) \ - dx = (l)->p2.x - (l)->p1.x; \ - ex = (xFixed_32_32) ((_y) - (l)->p1.y) * dx; \ - dy = (l)->p2.y - (l)->p1.y; \ - (v) = (l)->p1.x + (xFixed) (ex / dy) - -#define LINE_FIXED_X_CEIL(l, _y, v) \ - dx = (l)->p2.x - (l)->p1.x; \ - ex = (xFixed_32_32) ((_y) - (l)->p1.y) * dx; \ - dy = (l)->p2.y - (l)->p1.y; \ - (v) = (l)->p1.x + (xFixed) ((ex + (dy - 1)) / dy) - -static Bool -xglTrapezoidExtents (PicturePtr pDst, - int ntrap, - xTrapezoid *traps, - BoxPtr extents) -{ - Bool x_overlap, overlap = FALSE; - xFixed dx, dy, top, bottom; - xFixed_32_32 ex; - - if (!ntrap) - { - extents->x1 = MAXSHORT; - extents->x2 = MINSHORT; - extents->y1 = MAXSHORT; - extents->y2 = MINSHORT; - - return FALSE; - } - - extents->y1 = xFixedToInt (traps->top); - extents->y2 = xFixedToInt (xFixedCeil (traps->bottom)); - - LINE_FIXED_X (&traps->left, traps->top, top); - LINE_FIXED_X (&traps->left, traps->bottom, bottom); - extents->x1 = xFixedToInt (MIN (top, bottom)); - - LINE_FIXED_X_CEIL (&traps->right, traps->top, top); - LINE_FIXED_X_CEIL (&traps->right, traps->bottom, bottom); - extents->x2 = xFixedToInt (xFixedCeil (MAX (top, bottom))); - - ntrap--; - traps++; - - for (; ntrap; ntrap--, traps++) - { - INT16 x1, y1, x2, y2; - - if (!xTrapezoidValid (traps)) - continue; - - y1 = xFixedToInt (traps->top); - y2 = xFixedToInt (xFixedCeil (traps->bottom)); - - LINE_FIXED_X (&traps->left, traps->top, top); - LINE_FIXED_X (&traps->left, traps->bottom, bottom); - x1 = xFixedToInt (MIN (top, bottom)); - - LINE_FIXED_X_CEIL (&traps->right, traps->top, top); - LINE_FIXED_X_CEIL (&traps->right, traps->bottom, bottom); - x2 = xFixedToInt (xFixedCeil (MAX (top, bottom))); - - x_overlap = FALSE; - if (x1 >= extents->x2) - extents->x2 = x2; - else if (x2 <= extents->x1) - extents->x1 = x1; - else - { - x_overlap = TRUE; - if (x1 < extents->x1) - extents->x1 = x1; - if (x2 > extents->x2) - extents->x2 = x2; - } - - if (y1 >= extents->y2) - extents->y2 = y2; - else if (y2 <= extents->y1) - extents->y1 = y1; - else - { - if (y1 < extents->y1) - extents->y1 = y1; - if (y2 > extents->y2) - extents->y2 = y2; - - if (x_overlap) - overlap = TRUE; - } - } - - xglPictureClipExtents (pDst, extents); - - return overlap; -} - -void -xglTrapezoids (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int nTrap, - xTrapezoid *traps) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - PicturePtr pMask = NULL, pSrcPicture, pDstPicture; - xglGeometryPtr pGeometry = NULL; - glitz_surface_t *mask = NULL; - unsigned int polyEdge = pDst->polyEdge; - INT16 xDst, yDst; - INT16 xOff, yOff; - BoxRec extents; - Bool overlap; - Bool target; - - XGL_SCREEN_PRIV (pScreen); - XGL_DRAWABLE_PIXMAP_PRIV (pDst->pDrawable); - - xDst = traps[0].left.p1.x >> 16; - yDst = traps[0].left.p1.y >> 16; - - overlap = xglTrapezoidExtents (pDst, nTrap, traps, &extents); - if (extents.y1 >= extents.y2 || extents.x1 >= extents.x2) - return; - - target = xglPrepareTarget (pDst->pDrawable); - - if (nTrap > 1 && op != PictOpAdd && maskFormat && - (overlap || op != PictOpOver)) - { - PixmapPtr pPixmap; - GCPtr pGC; - xRectangle rect; - int error; - int area; - - if (!pScreenPriv->pSolidAlpha) - { - xglCreateSolidAlphaPicture (pScreen); - if (!pScreenPriv->pSolidAlpha) - return; - } - - rect.x = 0; - rect.y = 0; - rect.width = extents.x2 - extents.x1; - rect.height = extents.y2 - extents.y1; - - pPixmap = (*pScreen->CreatePixmap) (pScreen, - rect.width, rect.height, - maskFormat->depth); - if (!pPixmap) - return; - - pMask = CreatePicture (0, &pPixmap->drawable, maskFormat, - 0, 0, serverClient, &error); - if (!pMask) - { - (*pScreen->DestroyPixmap) (pPixmap); - return; - } - - /* make sure destination drawable is locked */ - pPixmapPriv->lock++; - - /* lock mask if we are not doing accelerated drawing to destination */ - area = rect.width * rect.height; - if (!target || (SMOOTH_TRAPS_ESTIMATE_RECTS (nTrap) * 4) > area) - XGL_GET_PIXMAP_PRIV (pPixmap)->lock = 1; - - ValidatePicture (pMask); - pGC = GetScratchGC (pPixmap->drawable.depth, pScreen); - ValidateGC (&pPixmap->drawable, pGC); - (*pGC->ops->PolyFillRect) (&pPixmap->drawable, pGC, 1, &rect); - FreeScratchGC (pGC); - - (*pScreen->DestroyPixmap) (pPixmap); - - target = xglPrepareTarget (pMask->pDrawable); - - xOff = -extents.x1; - yOff = -extents.y1; - pSrcPicture = pScreenPriv->pSolidAlpha; - pDstPicture = pMask; - } - else - { - /* make sure destination drawable is locked */ - pPixmapPriv->lock++; - - if (maskFormat) - { - if (maskFormat->depth == 1) - polyEdge = PolyEdgeSharp; - else - polyEdge = PolyEdgeSmooth; - } - - xOff = 0; - yOff = 0; - pSrcPicture = pSrc; - pDstPicture = pDst; - } - - if (target) - { - if (maskFormat || polyEdge == PolyEdgeSmooth) - { - glitz_vertex_format_t *format; - xTrapezoid *pTrap = traps; - int nAddedTrap, n = nTrap; - int offset = 0; - int size = SMOOTH_TRAPS_ESTIMATE_RECTS (n); - - mask = pScreenPriv->trapInfo.mask; - format = &pScreenPriv->trapInfo.format.vertex; - - size *= format->bytes_per_vertex; - pGeometry = xglGetScratchGeometryWithSize (pScreen, size); - - while (n) - { - if (pGeometry->size < size) - GEOMETRY_RESIZE (pScreen, pGeometry, size); - - if (!pGeometry->buffer) - { - if (pMask) - FreePicture (pMask, 0); - - pPixmapPriv->lock--; - return; - } - - offset += - glitz_add_trapezoids (pGeometry->buffer, - offset, size - offset, format->type, - mask, (glitz_trapezoid_t *) pTrap, n, - &nAddedTrap); - - n -= nAddedTrap; - pTrap += nAddedTrap; - size *= 2; - } - - pGeometry->f = pScreenPriv->trapInfo.format; - pGeometry->count = offset / format->bytes_per_vertex; - } - else - { - pGeometry = - xglGetScratchVertexGeometryWithType (pScreen, - GEOMETRY_DATA_TYPE_FLOAT, - 4 * nTrap); - if (!pGeometry->buffer) - { - if (pMask) - FreePicture (pMask, 0); - - pPixmapPriv->lock--; - return; - } - - GEOMETRY_ADD_TRAPEZOID (pScreen, pGeometry, traps, nTrap); - } - - GEOMETRY_TRANSLATE (pGeometry, - pDstPicture->pDrawable->x + xOff, - pDstPicture->pDrawable->y + yOff); - } - - if (pGeometry && - xglComp (pMask ? PictOpAdd : op, - pSrcPicture, - NULL, - pDstPicture, - extents.x1 + xOff + xSrc - xDst, - extents.y1 + yOff + ySrc - yDst, - 0, 0, - pDstPicture->pDrawable->x + extents.x1 + xOff, - pDstPicture->pDrawable->y + extents.y1 + yOff, - extents.x2 - extents.x1, - extents.y2 - extents.y1, - pGeometry, - mask)) - { - /* no intermediate mask? we need to register damage from here as - CompositePicture will never be called. */ - if (!pMask) - { - RegionRec region; - - REGION_INIT (pScreen, ®ion, &extents, 1); - REGION_TRANSLATE (pScreen, ®ion, - pDst->pDrawable->x, pDst->pDrawable->y); - - DamageDamageRegion (pDst->pDrawable, ®ion); - - REGION_UNINIT (pScreen, ®ion); - } - - xglAddCurrentBitDamage (pDstPicture->pDrawable); - } - else - { - XGL_DRAWABLE_PIXMAP_PRIV (pDstPicture->pDrawable); - - pPixmapPriv->damageBox.x1 = extents.x1 + xOff; - pPixmapPriv->damageBox.y1 = extents.y1 + yOff; - pPixmapPriv->damageBox.x2 = extents.x2 + xOff; - pPixmapPriv->damageBox.y2 = extents.y2 + yOff; - - xglSyncDamageBoxBits (pDstPicture->pDrawable); - - if (pMask || (polyEdge == PolyEdgeSmooth && - op == PictOpAdd && miIsSolidAlpha (pSrc))) - { - PictureScreenPtr ps = GetPictureScreen (pScreen); - - for (; nTrap; nTrap--, traps++) - (*ps->RasterizeTrapezoid) (pDstPicture, traps, xOff, yOff); - - xglAddCurrentSurfaceDamage (pDstPicture->pDrawable); - } else - miTrapezoids (op, pSrc, pDstPicture, NULL, - xSrc, ySrc, nTrap, traps); - } - - if (pMask) - { - xglLeaveOffscreenArea ((PixmapPtr) pMask->pDrawable); - - CompositePicture (op, pSrc, pMask, pDst, - extents.x1 + xSrc - xDst, - extents.y1 + ySrc - yDst, - 0, 0, - extents.x1, extents.y1, - extents.x2 - extents.x1, - extents.y2 - extents.y1); - - FreePicture (pMask, 0); - } - - /* release destination drawable lock */ - pPixmapPriv->lock--; -} - -void -xglAddTraps (PicturePtr pDst, - INT16 xOff, - INT16 yOff, - int nTrap, - xTrap *traps) -{ - PictureScreenPtr pPictureScreen; - ScreenPtr pScreen = pDst->pDrawable->pScreen; - - XGL_SCREEN_PRIV (pScreen); - XGL_DRAWABLE_PIXMAP_PRIV (pDst->pDrawable); - - if (!pScreenPriv->pSolidAlpha) - { - xglCreateSolidAlphaPicture (pScreen); - if (!pScreenPriv->pSolidAlpha) - return; - } - - pPixmapPriv->damageBox.x1 = 0; - pPixmapPriv->damageBox.y1 = 0; - pPixmapPriv->damageBox.x2 = pDst->pDrawable->width; - pPixmapPriv->damageBox.y2 = pDst->pDrawable->height; - - if (xglPrepareTarget (pDst->pDrawable)) - { - glitz_vertex_format_t *format; - xglGeometryPtr pGeometry; - xTrap *pTrap = traps; - int nAddedTrap, n = nTrap; - int offset = 0; - int size = SMOOTH_TRAPS_ESTIMATE_RECTS (n); - - format = &pScreenPriv->trapInfo.format.vertex; - - size *= format->bytes_per_vertex; - pGeometry = xglGetScratchGeometryWithSize (pScreen, size); - - while (n) - { - if (pGeometry->size < size) - GEOMETRY_RESIZE (pScreen, pGeometry, size); - - if (!pGeometry->buffer) - return; - - offset += - glitz_add_traps (pGeometry->buffer, - offset, size - offset, format->type, - pScreenPriv->trapInfo.mask, - (glitz_trap_t *) pTrap, n, - &nAddedTrap); - - n -= nAddedTrap; - pTrap += nAddedTrap; - size *= 2; - } - - pGeometry->f = pScreenPriv->trapInfo.format; - pGeometry->count = offset / format->bytes_per_vertex; - - GEOMETRY_TRANSLATE (pGeometry, - pDst->pDrawable->x + xOff, - pDst->pDrawable->y + yOff); - - if (xglComp (PictOpAdd, - pScreenPriv->pSolidAlpha, - NULL, - pDst, - 0, 0, - 0, 0, - pDst->pDrawable->x, pDst->pDrawable->y, - pDst->pDrawable->width, pDst->pDrawable->height, - pGeometry, - pScreenPriv->trapInfo.mask)) - { - xglAddCurrentBitDamage (pDst->pDrawable); - return; - } - } - - pPictureScreen = GetPictureScreen (pScreen); - - XGL_TRAP_FALLBACK_PROLOGUE (pDst, AddTraps); - (*pPictureScreen->AddTraps) (pDst, xOff, yOff, nTrap, traps); - XGL_TRAP_FALLBACK_EPILOGUE (pDst, AddTraps, xglAddTraps); -} - -#endif |