#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <xf86drm.h>
#include "xf86Module.h"
#include "scrnintstr.h"
#include "windowstr.h"
#include "dri2.h"
#include "xf86.h"
static int dri2ScreenPrivateKeyIndex;
static DevPrivateKey dri2ScreenPrivateKey = &dri2ScreenPrivateKeyIndex;
static int dri2WindowPrivateKeyIndex;
static DevPrivateKey dri2WindowPrivateKey = &dri2WindowPrivateKeyIndex;
static int dri2PixmapPrivateKeyIndex;
static DevPrivateKey dri2PixmapPrivateKey = &dri2PixmapPrivateKeyIndex;
typedef struct _DRI2Drawable {
unsigned int refCount;
int width;
int height;
DRI2BufferPtr buffers;
int bufferCount;
unsigned int pendingSequence;
} DRI2DrawableRec, *DRI2DrawablePtr;
typedef struct _DRI2Screen {
const char *driverName;
const char *deviceName;
int fd;
unsigned int lastSequence;
DRI2CreateBuffersProcPtr CreateBuffers;
DRI2DestroyBuffersProcPtr DestroyBuffers;
DRI2CopyRegionProcPtr CopyRegion;
HandleExposuresProcPtr HandleExposures;
} DRI2ScreenRec, *DRI2ScreenPtr;
static DRI2ScreenPtr
DRI2GetScreen(ScreenPtr pScreen)
{
return dixLookupPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey);
}
static DRI2DrawablePtr
DRI2GetDrawable(DrawablePtr pDraw)
{
WindowPtr pWin;
PixmapPtr pPixmap;
if (pDraw->type == DRAWABLE_WINDOW)
{
pWin = (WindowPtr) pDraw;
return dixLookupPrivate(&pWin->devPrivates, dri2WindowPrivateKey);
}
else
{
pPixmap = (PixmapPtr) pDraw;
return dixLookupPrivate(&pPixmap->devPrivates, dri2PixmapPrivateKey);
}
}
int
DRI2CreateDrawable(DrawablePtr pDraw)
{
WindowPtr pWin;
PixmapPtr pPixmap;
DRI2DrawablePtr pPriv;
pPriv = DRI2GetDrawable(pDraw);
if (pPriv != NULL)
{
pPriv->refCount++;
return Success;
}
pPriv = xalloc(sizeof *pPriv);
if (pPriv == NULL)
return BadAlloc;
pPriv->refCount = 1;
pPriv->width = pDraw->width;
pPriv->height = pDraw->height;
pPriv->buffers = NULL;
pPriv->bufferCount = 0;
if (pDraw->type == DRAWABLE_WINDOW)
{
pWin = (WindowPtr) pDraw;
dixSetPrivate(&pWin->devPrivates, dri2WindowPrivateKey, pPriv);
}
else
{
pPixmap = (PixmapPtr) pDraw;
dixSetPrivate(&pPixmap->devPrivates, dri2PixmapPrivateKey, pPriv);
}
return Success;
}
DRI2BufferPtr
DRI2GetBuffers(DrawablePtr pDraw, int *width, int *height,
unsigned int *attachments, int count, int *out_count)
{
DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen);
DRI2DrawablePtr pPriv = DRI2GetDrawable(pDraw);
DRI2BufferPtr buffers;
if (pPriv->buffers == NULL ||
pDraw->width != pPriv->width || pDraw->height != pPriv->height)
{
buffers = (*ds->CreateBuffers)(pDraw, attachments, count);
(*ds->DestroyBuffers)(pDraw, pPriv->buffers, pPriv->bufferCount);
pPriv->buffers = buffers;
pPriv->bufferCount = count;
pPriv->width = pDraw->width;
pPriv->height = pDraw->height;
}
*width = pPriv->width;
*height = pPriv->height;
*out_count = pPriv->bufferCount;
return pPriv->buffers;
}
int
DRI2CopyRegion(DrawablePtr pDraw, RegionPtr pRegion,
unsigned int dest, unsigned int src)
{
DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen);
DRI2DrawablePtr pPriv;
DRI2BufferPtr pDestBuffer, pSrcBuffer;
int i;
pPriv = DRI2GetDrawable(pDraw);
if (pPriv == NULL)
return BadDrawable;
pDestBuffer = NULL;
pSrcBuffer = NULL;
for (i = 0; i < pPriv->bufferCount; i++)
{
if (pPriv->buffers[i].attachment == dest)
pDestBuffer = &pPriv->buffers[i];
if (pPriv->buffers[i].attachment == src)
pSrcBuffer = &pPriv->buffers[i];
}
if (pSrcBuffer == NULL || pDestBuffer == NULL)
return BadValue;
(*ds->CopyRegion)(pDraw, pRegion, pDestBuffer, pSrcBuffer);
return Success;
}
void
DRI2DestroyDrawable(DrawablePtr pDraw)
{
DRI2ScreenPtr ds = DRI2GetScreen(pDraw->pScreen);
DRI2DrawablePtr pPriv;
WindowPtr pWin;
PixmapPtr pPixmap;
pPriv = DRI2GetDrawable(pDraw);
if (pPriv == NULL)
return;
pPriv->refCount--;
if (pPriv->refCount > 0)
return;
(*ds->DestroyBuffers)(pDraw, pPriv->buffers, pPriv->bufferCount);
xfree(pPriv);
if (pDraw->type == DRAWABLE_WINDOW)
{
pWin = (WindowPtr) pDraw;
dixSetPrivate(&pWin->devPrivates, dri2WindowPrivateKey, NULL);
}
else
{
pPixmap = (PixmapPtr) pDraw;
dixSetPrivate(&pPixmap->devPrivates, dri2PixmapPrivateKey, NULL);
}
}
Bool
DRI2Connect(ScreenPtr pScreen, unsigned int driverType, int *fd,
const char **driverName, const char **deviceName)
{
DRI2ScreenPtr ds = DRI2GetScreen(pScreen);
if (ds == NULL)
return FALSE;
if (driverType != DRI2DriverDRI)
return BadValue;
*fd = ds->fd;
*driverName = ds->driverName;
*deviceName = ds->deviceName;
return TRUE;
}
Bool
DRI2Authenticate(ScreenPtr pScreen, drm_magic_t magic)
{
DRI2ScreenPtr ds = DRI2GetScreen(pScreen);
if (ds == NULL || drmAuthMagic(ds->fd, magic))
return FALSE;
return TRUE;
}
Bool
DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info)
{
DRI2ScreenPtr ds;
ds = xalloc(sizeof *ds);
if (!ds)
return FALSE;
ds->fd = info->fd;
ds->driverName = info->driverName;
ds->deviceName = info->deviceName;
ds->CreateBuffers = info->CreateBuffers;
ds->DestroyBuffers = info->DestroyBuffers;
ds->CopyRegion = info->CopyRegion;
dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, ds);
xf86DrvMsg(pScreen->myNum, X_INFO, "[DRI2] Setup complete\n");
return TRUE;
}
void
DRI2CloseScreen(ScreenPtr pScreen)
{
DRI2ScreenPtr ds = DRI2GetScreen(pScreen);
xfree(ds);
dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, NULL);
}
extern ExtensionModule dri2ExtensionModule;
static pointer
DRI2Setup(pointer module, pointer opts, int *errmaj, int *errmin)
{
static Bool setupDone = FALSE;
if (!setupDone)
{
setupDone = TRUE;
LoadExtension(&dri2ExtensionModule, FALSE);
}
else
{
if (errmaj)
*errmaj = LDR_ONCEONLY;
}
return (pointer) 1;
}
static XF86ModuleVersionInfo DRI2VersRec =
{
"dri2",
MODULEVENDORSTRING,
MODINFOSTRING1,
MODINFOSTRING2,
XORG_VERSION_CURRENT,
1, 0, 0,
ABI_CLASS_EXTENSION,
ABI_EXTENSION_VERSION,
MOD_CLASS_NONE,
{ 0, 0, 0, 0 }
};
_X_EXPORT XF86ModuleData dri2ModuleData = { &DRI2VersRec, DRI2Setup, NULL };