#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#undef NDEBUG
#include "ephyr.h"
#include "exa_priv.h"
#include "fbpict.h"
#define EPHYR_TRACE_DRAW 0
#if EPHYR_TRACE_DRAW
#define TRACE_DRAW() ErrorF("%s\n", __FUNCTION__);
#else
#define TRACE_DRAW() do { } while (0)
#endif
#define EPHYR_OFFSET_ALIGN 24
#define EPHYR_PITCH_ALIGN 24
#define EPHYR_OFFSCREEN_SIZE (16 * 1024 * 1024)
#define EPHYR_OFFSCREEN_BASE (1 * 1024 * 1024)
static void
ephyrPreparePipelinedAccess(PixmapPtr pPix, int index)
{
KdScreenPriv(pPix->drawable.pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
assert(fakexa->saved_ptrs[index] == NULL);
fakexa->saved_ptrs[index] = pPix->devPrivate.ptr;
if (pPix->devPrivate.ptr != NULL)
return;
pPix->devPrivate.ptr = fakexa->exa->memoryBase + exaGetPixmapOffset(pPix);
}
static void
ephyrFinishPipelinedAccess(PixmapPtr pPix, int index)
{
KdScreenPriv(pPix->drawable.pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
pPix->devPrivate.ptr = fakexa->saved_ptrs[index];
fakexa->saved_ptrs[index] = NULL;
}
static Bool
ephyrPrepareSolid(PixmapPtr pPix, int alu, Pixel pm, Pixel fg)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
CARD32 tmpval[3];
ephyrPreparePipelinedAccess(pPix, EXA_PREPARE_DEST);
fakexa->pDst = pPix;
fakexa->pGC = GetScratchGC(pPix->drawable.depth, pScreen);
tmpval[0] = alu;
tmpval[1] = pm;
tmpval[2] = fg;
ChangeGC(fakexa->pGC, GCFunction | GCPlaneMask | GCForeground,
tmpval);
ValidateGC(&pPix->drawable, fakexa->pGC);
TRACE_DRAW();
return TRUE;
}
static void
ephyrSolid(PixmapPtr pPix, int x1, int y1, int x2, int y2)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
fbFill(&fakexa->pDst->drawable, fakexa->pGC, x1, y1, x2 - x1, y2 - y1);
}
static void
ephyrDoneSolid(PixmapPtr pPix)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
FreeScratchGC(fakexa->pGC);
ephyrFinishPipelinedAccess(pPix, EXA_PREPARE_DEST);
}
static Bool
ephyrPrepareCopy(PixmapPtr pSrc, PixmapPtr pDst, int dx, int dy, int alu,
Pixel pm)
{
ScreenPtr pScreen = pDst->drawable.pScreen;
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
CARD32 tmpval[2];
ephyrPreparePipelinedAccess(pDst, EXA_PREPARE_DEST);
ephyrPreparePipelinedAccess(pSrc, EXA_PREPARE_SRC);
fakexa->pSrc = pSrc;
fakexa->pDst = pDst;
fakexa->pGC = GetScratchGC(pDst->drawable.depth, pScreen);
tmpval[0] = alu;
tmpval[1] = pm;
ChangeGC (fakexa->pGC, GCFunction | GCPlaneMask, tmpval);
ValidateGC(&pDst->drawable, fakexa->pGC);
TRACE_DRAW();
return TRUE;
}
static void
ephyrCopy(PixmapPtr pDst, int srcX, int srcY, int dstX, int dstY, int w, int h)
{
ScreenPtr pScreen = pDst->drawable.pScreen;
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
fbCopyArea(&fakexa->pSrc->drawable, &fakexa->pDst->drawable, fakexa->pGC,
srcX, srcY, w, h, dstX, dstY);
}
static void
ephyrDoneCopy(PixmapPtr pDst)
{
ScreenPtr pScreen = pDst->drawable.pScreen;
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
FreeScratchGC (fakexa->pGC);
ephyrFinishPipelinedAccess(fakexa->pSrc, EXA_PREPARE_SRC);
ephyrFinishPipelinedAccess(fakexa->pDst, EXA_PREPARE_DEST);
}
static Bool
ephyrCheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
PicturePtr pDstPicture)
{
if (pMaskPicture && pMaskPicture->componentAlpha && op == PictOpOver)
return FALSE;
return TRUE;
}
static Bool
ephyrPrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
PicturePtr pDstPicture, PixmapPtr pSrc, PixmapPtr pMask,
PixmapPtr pDst)
{
KdScreenPriv(pDst->drawable.pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
ephyrPreparePipelinedAccess(pDst, EXA_PREPARE_DEST);
ephyrPreparePipelinedAccess(pSrc, EXA_PREPARE_SRC);
if (pMask != NULL)
ephyrPreparePipelinedAccess(pMask, EXA_PREPARE_MASK);
fakexa->op = op;
fakexa->pSrcPicture = pSrcPicture;
fakexa->pMaskPicture = pMaskPicture;
fakexa->pDstPicture = pDstPicture;
fakexa->pSrc = pSrc;
fakexa->pMask = pMask;
fakexa->pDst = pDst;
TRACE_DRAW();
return TRUE;
}
static void
ephyrComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
int dstX, int dstY, int w, int h)
{
KdScreenPriv(pDst->drawable.pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
fbComposite(fakexa->op, fakexa->pSrcPicture, fakexa->pMaskPicture,
fakexa->pDstPicture, srcX, srcY, maskX, maskY, dstX, dstY,
w, h);
}
static void
ephyrDoneComposite(PixmapPtr pDst)
{
KdScreenPriv(pDst->drawable.pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
if (fakexa->pMask != NULL)
ephyrFinishPipelinedAccess(fakexa->pMask, EXA_PREPARE_MASK);
ephyrFinishPipelinedAccess(fakexa->pSrc, EXA_PREPARE_SRC);
ephyrFinishPipelinedAccess(fakexa->pDst, EXA_PREPARE_DEST);
}
static Bool
ephyrDownloadFromScreen(PixmapPtr pSrc, int x, int y, int w, int h, char *dst,
int dst_pitch)
{
KdScreenPriv(pSrc->drawable.pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
char *src;
int src_pitch, cpp;
if (pSrc->drawable.bitsPerPixel < 8)
return FALSE;
ephyrPreparePipelinedAccess(pSrc, EXA_PREPARE_SRC);
cpp = pSrc->drawable.bitsPerPixel / 8;
src_pitch = exaGetPixmapPitch(pSrc);
src = fakexa->exa->memoryBase + exaGetPixmapOffset(pSrc);
src += y * src_pitch + x * cpp;
for (; h > 0; h--) {
memcpy(dst, src, w * cpp);
dst += dst_pitch;
src += src_pitch;
}
exaMarkSync(pSrc->drawable.pScreen);
ephyrFinishPipelinedAccess(pSrc, EXA_PREPARE_SRC);
return TRUE;
}
static Bool
ephyrUploadToScreen(PixmapPtr pDst, int x, int y, int w, int h, char *src,
int src_pitch)
{
KdScreenPriv(pDst->drawable.pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
char *dst;
int dst_pitch, cpp;
if (pDst->drawable.bitsPerPixel < 8)
return FALSE;
ephyrPreparePipelinedAccess(pDst, EXA_PREPARE_DEST);
cpp = pDst->drawable.bitsPerPixel / 8;
dst_pitch = exaGetPixmapPitch(pDst);
dst = fakexa->exa->memoryBase + exaGetPixmapOffset(pDst);
dst += y * dst_pitch + x * cpp;
for (; h > 0; h--) {
memcpy(dst, src, w * cpp);
dst += dst_pitch;
src += src_pitch;
}
exaMarkSync(pDst->drawable.pScreen);
ephyrFinishPipelinedAccess(pDst, EXA_PREPARE_DEST);
return TRUE;
}
static Bool
ephyrPrepareAccess(PixmapPtr pPix, int index)
{
assert(pPix->devPrivate.ptr != NULL);
return TRUE;
}
static int
ephyrMarkSync(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
fakexa->is_synced = FALSE;
return 0;
}
static void
ephyrWaitMarker(ScreenPtr pScreen, int marker)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa = scrpriv->fakexa;
fakexa->is_synced = TRUE;
}
Bool
ephyrDrawInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EphyrFakexaPriv *fakexa;
Bool success;
fakexa = xcalloc(1, sizeof(*fakexa));
if (fakexa == NULL)
return FALSE;
fakexa->exa = exaDriverAlloc();
if (fakexa->exa == NULL) {
xfree(fakexa);
return FALSE;
}
fakexa->exa->memoryBase = screen->memory_base;
fakexa->exa->memorySize = screen->memory_size;
fakexa->exa->offScreenBase = screen->off_screen_base;
fakexa->exa->exa_major = 2;
fakexa->exa->exa_minor = 0;
fakexa->exa->PrepareSolid = ephyrPrepareSolid;
fakexa->exa->Solid = ephyrSolid;
fakexa->exa->DoneSolid = ephyrDoneSolid;
fakexa->exa->PrepareCopy = ephyrPrepareCopy;
fakexa->exa->Copy = ephyrCopy;
fakexa->exa->DoneCopy = ephyrDoneCopy;
fakexa->exa->CheckComposite = ephyrCheckComposite;
fakexa->exa->PrepareComposite = ephyrPrepareComposite;
fakexa->exa->Composite = ephyrComposite;
fakexa->exa->DoneComposite = ephyrDoneComposite;
fakexa->exa->DownloadFromScreen = ephyrDownloadFromScreen;
fakexa->exa->UploadToScreen = ephyrUploadToScreen;
fakexa->exa->MarkSync = ephyrMarkSync;
fakexa->exa->WaitMarker = ephyrWaitMarker;
fakexa->exa->PrepareAccess = ephyrPrepareAccess;
fakexa->exa->pixmapOffsetAlign = EPHYR_OFFSET_ALIGN;
fakexa->exa->pixmapPitchAlign = EPHYR_PITCH_ALIGN;
fakexa->exa->maxX = 1023;
fakexa->exa->maxY = 1023;
fakexa->exa->flags = EXA_OFFSCREEN_PIXMAPS;
success = exaDriverInit(pScreen, fakexa->exa);
if (success) {
ErrorF("Initialized fake EXA acceleration\n");
scrpriv->fakexa = fakexa;
} else {
ErrorF("Failed to initialize EXA\n");
xfree(fakexa->exa);
xfree(fakexa);
}
return success;
}
void
ephyrDrawEnable(ScreenPtr pScreen)
{
}
void
ephyrDrawDisable(ScreenPtr pScreen)
{
}
void
ephyrDrawFini(ScreenPtr pScreen)
{
}
void
exaDDXDriverInit(ScreenPtr pScreen)
{
ExaScreenPriv(pScreen);
pExaScr->migration = ExaMigrationSmart;
pExaScr->hideOffscreenPixmapData = TRUE;
pExaScr->checkDirtyCorrectness = TRUE;
}