a7e3ad1c6b
A few pieces of code were abusing this define for other purposes, which are converted to #ifndef DEBUG instead. There should be no ABI consequences to this change. The rationale is that having the define in xorg-server.h also disables assert() drivers, which is unexpected, and also difficult to avoid since xorg-server.h is included in their config.h, and you can't put a #undef in config.h. As for removing it from the server instead of moving it to an internal header, we probably shouldn't have unnecessary assert()s in critical server paths anyway, and if we do we could #define NDEBUG in the specific cases needed.
524 lines
14 KiB
C
524 lines
14 KiB
C
/*
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* Copyright © 2006 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <kdrive-config.h>
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#endif
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#include "ephyr.h"
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#include "exa_priv.h"
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#include "fbpict.h"
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#define EPHYR_TRACE_DRAW 0
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#if EPHYR_TRACE_DRAW
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#define TRACE_DRAW() ErrorF("%s\n", __FUNCTION__);
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#else
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#define TRACE_DRAW() do { } while (0)
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#endif
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/* Use some oddball alignments, to expose issues in alignment handling in EXA. */
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#define EPHYR_OFFSET_ALIGN 24
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#define EPHYR_PITCH_ALIGN 24
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#define EPHYR_OFFSCREEN_SIZE (16 * 1024 * 1024)
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#define EPHYR_OFFSCREEN_BASE (1 * 1024 * 1024)
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/**
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* Forces a real devPrivate.ptr for hidden pixmaps, so that we can call down to
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* fb functions.
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*/
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static void
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ephyrPreparePipelinedAccess(PixmapPtr pPix, int index)
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{
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KdScreenPriv(pPix->drawable.pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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assert(fakexa->saved_ptrs[index] == NULL);
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fakexa->saved_ptrs[index] = pPix->devPrivate.ptr;
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if (pPix->devPrivate.ptr != NULL)
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return;
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pPix->devPrivate.ptr = fakexa->exa->memoryBase + exaGetPixmapOffset(pPix);
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}
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/**
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* Restores the original devPrivate.ptr of the pixmap from before we messed with
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* it.
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*/
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static void
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ephyrFinishPipelinedAccess(PixmapPtr pPix, int index)
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{
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KdScreenPriv(pPix->drawable.pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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pPix->devPrivate.ptr = fakexa->saved_ptrs[index];
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fakexa->saved_ptrs[index] = NULL;
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}
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/**
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* Sets up a scratch GC for fbFill, and saves other parameters for the
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* ephyrSolid implementation.
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*/
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static Bool
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ephyrPrepareSolid(PixmapPtr pPix, int alu, Pixel pm, Pixel fg)
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{
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ScreenPtr pScreen = pPix->drawable.pScreen;
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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CARD32 tmpval[3];
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ephyrPreparePipelinedAccess(pPix, EXA_PREPARE_DEST);
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fakexa->pDst = pPix;
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fakexa->pGC = GetScratchGC(pPix->drawable.depth, pScreen);
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tmpval[0] = alu;
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tmpval[1] = pm;
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tmpval[2] = fg;
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ChangeGC(fakexa->pGC, GCFunction | GCPlaneMask | GCForeground,
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tmpval);
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ValidateGC(&pPix->drawable, fakexa->pGC);
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TRACE_DRAW();
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return TRUE;
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}
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/**
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* Does an fbFill of the rectangle to be drawn.
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*/
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static void
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ephyrSolid(PixmapPtr pPix, int x1, int y1, int x2, int y2)
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{
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ScreenPtr pScreen = pPix->drawable.pScreen;
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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fbFill(&fakexa->pDst->drawable, fakexa->pGC, x1, y1, x2 - x1, y2 - y1);
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}
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/**
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* Cleans up the scratch GC created in ephyrPrepareSolid.
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*/
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static void
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ephyrDoneSolid(PixmapPtr pPix)
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{
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ScreenPtr pScreen = pPix->drawable.pScreen;
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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FreeScratchGC(fakexa->pGC);
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ephyrFinishPipelinedAccess(pPix, EXA_PREPARE_DEST);
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}
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/**
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* Sets up a scratch GC for fbCopyArea, and saves other parameters for the
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* ephyrCopy implementation.
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*/
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static Bool
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ephyrPrepareCopy(PixmapPtr pSrc, PixmapPtr pDst, int dx, int dy, int alu,
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Pixel pm)
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{
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ScreenPtr pScreen = pDst->drawable.pScreen;
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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CARD32 tmpval[2];
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ephyrPreparePipelinedAccess(pDst, EXA_PREPARE_DEST);
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ephyrPreparePipelinedAccess(pSrc, EXA_PREPARE_SRC);
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fakexa->pSrc = pSrc;
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fakexa->pDst = pDst;
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fakexa->pGC = GetScratchGC(pDst->drawable.depth, pScreen);
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tmpval[0] = alu;
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tmpval[1] = pm;
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ChangeGC (fakexa->pGC, GCFunction | GCPlaneMask, tmpval);
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ValidateGC(&pDst->drawable, fakexa->pGC);
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TRACE_DRAW();
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return TRUE;
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}
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/**
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* Does an fbCopyArea to take care of the requested copy.
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*/
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static void
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ephyrCopy(PixmapPtr pDst, int srcX, int srcY, int dstX, int dstY, int w, int h)
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{
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ScreenPtr pScreen = pDst->drawable.pScreen;
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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fbCopyArea(&fakexa->pSrc->drawable, &fakexa->pDst->drawable, fakexa->pGC,
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srcX, srcY, w, h, dstX, dstY);
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}
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/**
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* Cleans up the scratch GC created in ephyrPrepareCopy.
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*/
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static void
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ephyrDoneCopy(PixmapPtr pDst)
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{
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ScreenPtr pScreen = pDst->drawable.pScreen;
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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FreeScratchGC (fakexa->pGC);
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ephyrFinishPipelinedAccess(fakexa->pSrc, EXA_PREPARE_SRC);
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ephyrFinishPipelinedAccess(fakexa->pDst, EXA_PREPARE_DEST);
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}
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/**
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* Reports that we can always accelerate the given operation. This may not be
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* desirable from an EXA testing standpoint -- testing the fallback paths would
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* be useful, too.
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*/
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static Bool
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ephyrCheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
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PicturePtr pDstPicture)
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{
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/* Exercise the component alpha helper, so fail on this case like a normal
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* driver
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*/
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if (pMaskPicture && pMaskPicture->componentAlpha && op == PictOpOver)
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return FALSE;
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return TRUE;
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}
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/**
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* Saves off the parameters for ephyrComposite.
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*/
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static Bool
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ephyrPrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
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PicturePtr pDstPicture, PixmapPtr pSrc, PixmapPtr pMask,
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PixmapPtr pDst)
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{
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KdScreenPriv(pDst->drawable.pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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ephyrPreparePipelinedAccess(pDst, EXA_PREPARE_DEST);
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ephyrPreparePipelinedAccess(pSrc, EXA_PREPARE_SRC);
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if (pMask != NULL)
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ephyrPreparePipelinedAccess(pMask, EXA_PREPARE_MASK);
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fakexa->op = op;
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fakexa->pSrcPicture = pSrcPicture;
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fakexa->pMaskPicture = pMaskPicture;
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fakexa->pDstPicture = pDstPicture;
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fakexa->pSrc = pSrc;
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fakexa->pMask = pMask;
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fakexa->pDst = pDst;
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TRACE_DRAW();
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return TRUE;
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}
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/**
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* Does an fbComposite to complete the requested drawing operation.
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*/
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static void
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ephyrComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
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int dstX, int dstY, int w, int h)
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{
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KdScreenPriv(pDst->drawable.pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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fbComposite(fakexa->op, fakexa->pSrcPicture, fakexa->pMaskPicture,
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fakexa->pDstPicture, srcX, srcY, maskX, maskY, dstX, dstY,
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w, h);
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}
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static void
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ephyrDoneComposite(PixmapPtr pDst)
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{
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KdScreenPriv(pDst->drawable.pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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if (fakexa->pMask != NULL)
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ephyrFinishPipelinedAccess(fakexa->pMask, EXA_PREPARE_MASK);
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ephyrFinishPipelinedAccess(fakexa->pSrc, EXA_PREPARE_SRC);
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ephyrFinishPipelinedAccess(fakexa->pDst, EXA_PREPARE_DEST);
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}
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/**
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* Does fake acceleration of DownloadFromScren using memcpy.
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*/
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static Bool
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ephyrDownloadFromScreen(PixmapPtr pSrc, int x, int y, int w, int h, char *dst,
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int dst_pitch)
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{
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KdScreenPriv(pSrc->drawable.pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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unsigned char *src;
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int src_pitch, cpp;
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if (pSrc->drawable.bitsPerPixel < 8)
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return FALSE;
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ephyrPreparePipelinedAccess(pSrc, EXA_PREPARE_SRC);
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cpp = pSrc->drawable.bitsPerPixel / 8;
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src_pitch = exaGetPixmapPitch(pSrc);
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src = fakexa->exa->memoryBase + exaGetPixmapOffset(pSrc);
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src += y * src_pitch + x * cpp;
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for (; h > 0; h--) {
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memcpy(dst, src, w * cpp);
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dst += dst_pitch;
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src += src_pitch;
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}
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exaMarkSync(pSrc->drawable.pScreen);
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ephyrFinishPipelinedAccess(pSrc, EXA_PREPARE_SRC);
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return TRUE;
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}
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/**
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* Does fake acceleration of UploadToScreen using memcpy.
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*/
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static Bool
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ephyrUploadToScreen(PixmapPtr pDst, int x, int y, int w, int h, char *src,
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int src_pitch)
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{
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KdScreenPriv(pDst->drawable.pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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unsigned char *dst;
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int dst_pitch, cpp;
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if (pDst->drawable.bitsPerPixel < 8)
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return FALSE;
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ephyrPreparePipelinedAccess(pDst, EXA_PREPARE_DEST);
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cpp = pDst->drawable.bitsPerPixel / 8;
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dst_pitch = exaGetPixmapPitch(pDst);
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dst = fakexa->exa->memoryBase + exaGetPixmapOffset(pDst);
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dst += y * dst_pitch + x * cpp;
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for (; h > 0; h--) {
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memcpy(dst, src, w * cpp);
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dst += dst_pitch;
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src += src_pitch;
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}
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exaMarkSync(pDst->drawable.pScreen);
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ephyrFinishPipelinedAccess(pDst, EXA_PREPARE_DEST);
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return TRUE;
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}
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static Bool
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ephyrPrepareAccess(PixmapPtr pPix, int index)
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{
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/* Make sure we don't somehow end up with a pointer that is in framebuffer
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* and hasn't been readied for us.
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*/
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assert(pPix->devPrivate.ptr != NULL);
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return TRUE;
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}
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/**
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* In fakexa, we currently only track whether we have synced to the latest
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* "accelerated" drawing that has happened or not. It's not used for anything
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* yet.
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*/
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static int
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ephyrMarkSync(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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fakexa->is_synced = FALSE;
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return 0;
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}
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/**
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* Assumes that we're waiting on the latest marker. When EXA gets smarter and
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* starts using markers in a fine-grained way (for example, waiting on drawing
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* to required pixmaps to complete, rather than waiting for all drawing to
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* complete), we'll want to make the ephyrMarkSync/ephyrWaitMarker
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* implementation fine-grained as well.
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*/
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static void
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ephyrWaitMarker(ScreenPtr pScreen, int marker)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa = scrpriv->fakexa;
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fakexa->is_synced = TRUE;
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}
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/**
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* This function initializes EXA to use the fake acceleration implementation
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* which just falls through to software. The purpose is to have a reliable,
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* correct driver with which to test changes to the EXA core.
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*/
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Bool
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ephyrDrawInit(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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EphyrScrPriv *scrpriv = screen->driver;
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EphyrFakexaPriv *fakexa;
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Bool success;
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fakexa = xcalloc(1, sizeof(*fakexa));
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if (fakexa == NULL)
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return FALSE;
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fakexa->exa = exaDriverAlloc();
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if (fakexa->exa == NULL) {
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xfree(fakexa);
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return FALSE;
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}
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fakexa->exa->memoryBase = screen->memory_base;
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fakexa->exa->memorySize = screen->memory_size;
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fakexa->exa->offScreenBase = screen->off_screen_base;
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/* Since we statically link against EXA, we shouldn't have to be smart about
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* versioning.
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*/
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fakexa->exa->exa_major = 2;
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fakexa->exa->exa_minor = 0;
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fakexa->exa->PrepareSolid = ephyrPrepareSolid;
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fakexa->exa->Solid = ephyrSolid;
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fakexa->exa->DoneSolid = ephyrDoneSolid;
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fakexa->exa->PrepareCopy = ephyrPrepareCopy;
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fakexa->exa->Copy = ephyrCopy;
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fakexa->exa->DoneCopy = ephyrDoneCopy;
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fakexa->exa->CheckComposite = ephyrCheckComposite;
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fakexa->exa->PrepareComposite = ephyrPrepareComposite;
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fakexa->exa->Composite = ephyrComposite;
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fakexa->exa->DoneComposite = ephyrDoneComposite;
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fakexa->exa->DownloadFromScreen = ephyrDownloadFromScreen;
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fakexa->exa->UploadToScreen = ephyrUploadToScreen;
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fakexa->exa->MarkSync = ephyrMarkSync;
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fakexa->exa->WaitMarker = ephyrWaitMarker;
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fakexa->exa->PrepareAccess = ephyrPrepareAccess;
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fakexa->exa->pixmapOffsetAlign = EPHYR_OFFSET_ALIGN;
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fakexa->exa->pixmapPitchAlign = EPHYR_PITCH_ALIGN;
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fakexa->exa->maxX = 1023;
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fakexa->exa->maxY = 1023;
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fakexa->exa->flags = EXA_OFFSCREEN_PIXMAPS;
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success = exaDriverInit(pScreen, fakexa->exa);
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if (success) {
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ErrorF("Initialized fake EXA acceleration\n");
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scrpriv->fakexa = fakexa;
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} else {
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ErrorF("Failed to initialize EXA\n");
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xfree(fakexa->exa);
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xfree(fakexa);
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}
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return success;
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}
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void
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|
ephyrDrawEnable(ScreenPtr pScreen)
|
|
{
|
|
}
|
|
|
|
void
|
|
ephyrDrawDisable(ScreenPtr pScreen)
|
|
{
|
|
}
|
|
|
|
void
|
|
ephyrDrawFini(ScreenPtr pScreen)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* exaDDXDriverInit is required by the top-level EXA module, and is used by
|
|
* the xorg DDX to hook in its EnableDisableFB wrapper. We don't need it, since
|
|
* we won't be enabling/disabling the FB.
|
|
*/
|
|
void
|
|
exaDDXDriverInit(ScreenPtr pScreen)
|
|
{
|
|
ExaScreenPriv(pScreen);
|
|
|
|
pExaScr->migration = ExaMigrationSmart;
|
|
pExaScr->checkDirtyCorrectness = TRUE;
|
|
}
|