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Diffstat (limited to 'hw/xquartz/xpr/driWrap.c')
-rw-r--r--hw/xquartz/xpr/driWrap.c547
1 files changed, 547 insertions, 0 deletions
diff --git a/hw/xquartz/xpr/driWrap.c b/hw/xquartz/xpr/driWrap.c
new file mode 100644
index 000000000..8c57fd4bd
--- /dev/null
+++ b/hw/xquartz/xpr/driWrap.c
@@ -0,0 +1,547 @@
+/*
+Copyright (c) 2009 Apple Computer, Inc.
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stddef.h>
+#include "mi.h"
+#include "scrnintstr.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "dixfontstr.h"
+#include "mivalidate.h"
+#include "driWrap.h"
+#include "dri.h"
+
+#include <OpenGL/OpenGL.h>
+
+typedef struct {
+ GCOps *originalOps;
+ GCOps *driOps;
+} DRIGCRec;
+
+typedef struct {
+ GCOps *originalOps;
+ CreateGCProcPtr CreateGC;
+} DRIWrapScreenRec;
+
+typedef struct {
+ Bool didSave;
+ int devKind;
+ DevUnion devPrivate;
+} DRISavedDrawableState;
+
+static int driGCKeyIndex;
+static DevPrivateKey driGCKey = &driGCKeyIndex;
+
+static int driWrapScreenKeyIndex;
+static DevPrivateKey driWrapScreenKey = &driWrapScreenKeyIndex;
+
+static GCOps driGCOps;
+
+#define wrap(priv, real, member, func) { \
+ priv->member = real->member; \
+ real->member = func; \
+ }
+
+#define unwrap(priv, real, member) { \
+ real->member = priv->member; \
+ }
+
+static DRIGCRec *
+DRIGetGCPriv(GCPtr pGC) {
+ return dixLookupPrivate(&pGC->devPrivates, driGCKey);
+}
+
+static void
+DRIUnwrapGC(GCPtr pGC) {
+ DRIGCRec *pGCPriv = DRIGetGCPriv(pGC);
+
+ pGC->ops = pGCPriv->originalOps;
+}
+
+static void
+DRIWrapGC(GCPtr pGC) {
+ DRIGCRec *pGCPriv = DRIGetGCPriv(pGC);
+
+ pGC->ops = pGCPriv->driOps;
+}
+
+static void
+DRISurfaceSetDrawable(DrawablePtr pDraw,
+ DRISavedDrawableState *saved) {
+ saved->didSave = FALSE;
+
+ if(pDraw->type == DRAWABLE_PIXMAP) {
+ int pitch, width, height, bpp;
+ void *buffer;
+
+ if(DRIGetPixmapData(pDraw, &width, &height, &pitch, &bpp, &buffer)) {
+ PixmapPtr pPix = (PixmapPtr)pDraw;
+
+ saved->devKind = pPix->devKind;
+ saved->devPrivate.ptr = pPix->devPrivate.ptr;
+ saved->didSave = TRUE;
+
+ pPix->devKind = pitch;
+ pPix->devPrivate.ptr = buffer;
+ }
+ }
+}
+
+static void
+DRISurfaceRestoreDrawable(DrawablePtr pDraw,
+ DRISavedDrawableState *saved) {
+ PixmapPtr pPix = (PixmapPtr)pDraw;
+
+ if(!saved->didSave)
+ return;
+
+ pPix->devKind = saved->devKind;
+ pPix->devPrivate.ptr = saved->devPrivate.ptr;
+}
+
+static void
+DRIFillSpans(DrawablePtr dst, GCPtr pGC, int nInit,
+ DDXPointPtr pptInit, int *pwidthInit,
+ int sorted) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->FillSpans(dst, pGC, nInit, pptInit, pwidthInit, sorted);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRISetSpans(DrawablePtr dst, GCPtr pGC, char *pSrc,
+ DDXPointPtr pptInit, int *pwidthInit,
+ int nspans, int sorted) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->SetSpans(dst, pGC, pSrc, pptInit, pwidthInit, nspans, sorted);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIPutImage(DrawablePtr dst, GCPtr pGC,
+ int depth, int x, int y, int w, int h,
+ int leftPad, int format, char *pBits) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->PutImage(dst, pGC, depth, x, y, w, h, leftPad, format, pBits);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static RegionPtr
+DRICopyArea(DrawablePtr pSrc, DrawablePtr dst, GCPtr pGC,
+ int srcx, int srcy, int w, int h,
+ int dstx, int dsty) {
+ RegionPtr pReg;
+ DRISavedDrawableState pSrcSaved, dstSaved;
+
+ DRISurfaceSetDrawable(pSrc, &pSrcSaved);
+ DRISurfaceSetDrawable(dst, &dstSaved);
+
+ DRIUnwrapGC(pGC);
+
+ pReg = pGC->ops->CopyArea(pSrc, dst, pGC, srcx, srcy, w, h, dstx, dsty);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(pSrc, &pSrcSaved);
+ DRISurfaceRestoreDrawable(dst, &dstSaved);
+
+ return pReg;
+}
+
+static RegionPtr
+DRICopyPlane(DrawablePtr pSrc, DrawablePtr dst,
+ GCPtr pGC, int srcx, int srcy,
+ int w, int h, int dstx, int dsty,
+ unsigned long plane) {
+ RegionPtr pReg;
+ DRISavedDrawableState pSrcSaved, dstSaved;
+
+ DRISurfaceSetDrawable(pSrc, &pSrcSaved);
+ DRISurfaceSetDrawable(dst, &dstSaved);
+
+
+ DRIUnwrapGC(pGC);
+
+ pReg = pGC->ops->CopyPlane(pSrc, dst, pGC, srcx, srcy, w, h, dstx, dsty,
+ plane);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(pSrc, &pSrcSaved);
+ DRISurfaceRestoreDrawable(dst, &dstSaved);
+
+ return pReg;
+}
+
+static void
+DRIPolyPoint(DrawablePtr dst, GCPtr pGC,
+ int mode, int npt, DDXPointPtr pptInit) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->PolyPoint(dst, pGC, mode, npt, pptInit);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIPolylines(DrawablePtr dst, GCPtr pGC,
+ int mode, int npt, DDXPointPtr pptInit) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->Polylines(dst, pGC, mode, npt, pptInit);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIPolySegment(DrawablePtr dst, GCPtr pGC,
+ int nseg, xSegment *pSeg) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->PolySegment(dst, pGC, nseg, pSeg);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIPolyRectangle(DrawablePtr dst, GCPtr pGC,
+ int nRects, xRectangle *pRects) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->PolyRectangle(dst, pGC, nRects, pRects);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+static void
+DRIPolyArc(DrawablePtr dst, GCPtr pGC, int narcs, xArc *parcs) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->PolyArc(dst, pGC, narcs, parcs);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIFillPolygon(DrawablePtr dst, GCPtr pGC,
+ int shape, int mode, int count,
+ DDXPointPtr pptInit) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->FillPolygon(dst, pGC, shape, mode, count, pptInit);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIPolyFillRect(DrawablePtr dst, GCPtr pGC,
+ int nRectsInit, xRectangle *pRectsInit) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->PolyFillRect(dst, pGC, nRectsInit, pRectsInit);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIPolyFillArc(DrawablePtr dst, GCPtr pGC,
+ int narcsInit, xArc *parcsInit) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->PolyFillArc(dst, pGC, narcsInit, parcsInit);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static int
+DRIPolyText8(DrawablePtr dst, GCPtr pGC,
+ int x, int y, int count, char *chars) {
+ int ret;
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ ret = pGC->ops->PolyText8(dst, pGC, x, y, count, chars);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+
+ return ret;
+}
+
+static int
+DRIPolyText16(DrawablePtr dst, GCPtr pGC,
+ int x, int y, int count, unsigned short *chars) {
+ int ret;
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ ret = pGC->ops->PolyText16(dst, pGC, x, y, count, chars);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+
+ return ret;
+}
+
+static void
+DRIImageText8(DrawablePtr dst, GCPtr pGC,
+ int x, int y, int count, char *chars) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->ImageText8(dst, pGC, x, y, count, chars);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIImageText16(DrawablePtr dst, GCPtr pGC,
+ int x, int y, int count, unsigned short *chars) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->ImageText16(dst, pGC, x, y, count, chars);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIImageGlyphBlt(DrawablePtr dst, GCPtr pGC,
+ int x, int y, unsigned int nglyphInit,
+ CharInfoPtr *ppciInit, pointer unused) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->ImageGlyphBlt(dst, pGC, x, y, nglyphInit, ppciInit, unused);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void DRIPolyGlyphBlt(DrawablePtr dst, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase) {
+ DRISavedDrawableState saved;
+
+ DRISurfaceSetDrawable(dst, &saved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->PolyGlyphBlt(dst, pGC, x, y, nglyph, ppci, pglyphBase);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(dst, &saved);
+}
+
+static void
+DRIPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr dst,
+ int dx, int dy, int xOrg, int yOrg) {
+ DRISavedDrawableState bitMapSaved, dstSaved;
+
+ DRISurfaceSetDrawable(&pBitMap->drawable, &bitMapSaved);
+ DRISurfaceSetDrawable(dst, &dstSaved);
+
+ DRIUnwrapGC(pGC);
+
+ pGC->ops->PushPixels(pGC, pBitMap, dst, dx, dy, xOrg, yOrg);
+
+ DRIWrapGC(pGC);
+
+ DRISurfaceRestoreDrawable(&pBitMap->drawable, &bitMapSaved);
+ DRISurfaceRestoreDrawable(dst, &dstSaved);
+}
+
+
+static GCOps driGCOps = {
+ DRIFillSpans,
+ DRISetSpans,
+ DRIPutImage,
+ DRICopyArea,
+ DRICopyPlane,
+ DRIPolyPoint,
+ DRIPolylines,
+ DRIPolySegment,
+ DRIPolyRectangle,
+ DRIPolyArc,
+ DRIFillPolygon,
+ DRIPolyFillRect,
+ DRIPolyFillArc,
+ DRIPolyText8,
+ DRIPolyText16,
+ DRIImageText8,
+ DRIImageText16,
+ DRIImageGlyphBlt,
+ DRIPolyGlyphBlt,
+ DRIPushPixels
+};
+
+
+static Bool
+DRICreateGC(GCPtr pGC) {
+ ScreenPtr pScreen = pGC->pScreen;
+ DRIWrapScreenRec *pScreenPriv;
+ DRIGCRec *pGCPriv;
+ Bool ret;
+
+ pScreenPriv = dixLookupPrivate(&pScreen->devPrivates, driWrapScreenKey);
+
+ pGCPriv = DRIGetGCPriv(pGC);
+
+ unwrap(pScreenPriv, pScreen, CreateGC);
+ ret = pScreen->CreateGC(pGC);
+
+ if(ret) {
+ pGCPriv->originalOps = pGC->ops;
+ pGC->ops = &driGCOps;
+ pGCPriv->driOps = &driGCOps;
+ }
+
+ wrap(pScreenPriv, pScreen, CreateGC, DRICreateGC);
+
+ return ret;
+}
+
+
+/* Return false if an error occurred. */
+Bool
+DRIWrapInit(ScreenPtr pScreen) {
+ DRIWrapScreenRec *pScreenPriv;
+
+ if(!dixRequestPrivate(driGCKey, sizeof(DRIGCRec)))
+ return FALSE;
+
+ if(!dixRequestPrivate(driWrapScreenKey, sizeof(DRIWrapScreenRec)))
+ return FALSE;
+
+ pScreenPriv = xalloc(sizeof(*pScreenPriv));
+
+ if(NULL == pScreenPriv)
+ return FALSE;
+
+ pScreenPriv->CreateGC = pScreen->CreateGC;
+ pScreen->CreateGC = DRICreateGC;
+
+ dixSetPrivate(&pScreen->devPrivates, driWrapScreenKey, pScreenPriv);
+
+ return TRUE;
+}
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