-/* -*- mode: c; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3; coding: utf-8-unix -*- */
/*
* Copyright © 2008 Red Hat, Inc.
*
__DRIbuffer buffers[5];
int bufferCount;
int width, height;
+ int have_back;
+ int have_front;
+ int have_fake_front;
};
static void dri2DestroyContext(__GLXDRIcontext *context,
pdraw->base.xDrawable = xDrawable;
pdraw->base.drawable = drawable;
pdraw->base.psc = psc;
+ pdraw->bufferCount = 0;
DRI2CreateDrawable(psc->dpy, xDrawable);
static void dri2CopySubBuffer(__GLXDRIdrawable *pdraw,
int x, int y, int width, int height)
{
+ __GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
XRectangle xrect;
XserverRegion region;
+ /* Check we have the right attachments */
+ if (!(priv->have_front && priv->have_back))
+ return;
+
xrect.x = x;
- xrect.y = y;
+ xrect.y = priv->height - y - height;
xrect.width = width;
xrect.height = height;
+#ifdef __DRI2_FLUSH
+ if (pdraw->psc->f)
+ (*pdraw->psc->f->flush)(pdraw->driDrawable);
+#endif
+
region = XFixesCreateRegion(pdraw->psc->dpy, &xrect, 1);
+ /* should get a fence ID back from here at some point */
DRI2CopyRegion(pdraw->psc->dpy, pdraw->drawable, region,
DRI2BufferFrontLeft, DRI2BufferBackLeft);
XFixesDestroyRegion(pdraw->psc->dpy, region);
dri2CopySubBuffer(pdraw, 0, 0, priv->width, priv->height);
}
+static void dri2WaitX(__GLXDRIdrawable *pdraw)
+{
+ __GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
+ XRectangle xrect;
+ XserverRegion region;
+
+ /* Check we have the right attachments */
+ if (!(priv->have_fake_front && priv->have_front))
+ return;
+
+ xrect.x = 0;
+ xrect.y = 0;
+ xrect.width = priv->width;
+ xrect.height = priv->height;
+
+#ifdef __DRI2_FLUSH
+ if (pdraw->psc->f)
+ (*pdraw->psc->f->flush)(pdraw->driDrawable);
+#endif
+
+ region = XFixesCreateRegion(pdraw->psc->dpy, &xrect, 1);
+ DRI2CopyRegion(pdraw->psc->dpy, pdraw->drawable, region,
+ DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
+ XFixesDestroyRegion(pdraw->psc->dpy, region);
+}
+
+static void dri2WaitGL(__GLXDRIdrawable *pdraw)
+{
+ __GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
+ XRectangle xrect;
+ XserverRegion region;
+
+ if (!(priv->have_fake_front && priv->have_front))
+ return;
+
+ xrect.x = 0;
+ xrect.y = 0;
+ xrect.width = priv->width;
+ xrect.height = priv->height;
+
+#ifdef __DRI2_FLUSH
+ if (pdraw->psc->f)
+ (*pdraw->psc->f->flush)(pdraw->driDrawable);
+#endif
+
+ region = XFixesCreateRegion(pdraw->psc->dpy, &xrect, 1);
+ DRI2CopyRegion(pdraw->psc->dpy, pdraw->drawable, region,
+ DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
+ XFixesDestroyRegion(pdraw->psc->dpy, region);
+}
+
static void dri2DestroyScreen(__GLXscreenConfigs *psc)
{
/* Free the direct rendering per screen data */
pdraw->width = *width;
pdraw->height = *height;
+ pdraw->bufferCount = *out_count;
+ pdraw->have_front = 0;
+ pdraw->have_fake_front = 0;
+ pdraw->have_back = 0;
/* This assumes the DRI2 buffer attachment tokens matches the
* __DRIbuffer tokens. */
pdraw->buffers[i].pitch = buffers[i].pitch;
pdraw->buffers[i].cpp = buffers[i].cpp;
pdraw->buffers[i].flags = buffers[i].flags;
+ if (pdraw->buffers[i].attachment == __DRI_BUFFER_FRONT_LEFT)
+ pdraw->have_front = 1;
+ if (pdraw->buffers[i].attachment == __DRI_BUFFER_FAKE_FRONT_LEFT)
+ pdraw->have_fake_front = 1;
+ if (pdraw->buffers[i].attachment == __DRI_BUFFER_BACK_LEFT)
+ pdraw->have_back = 1;
}
Xfree(buffers);
return NULL;
psc->driver = driOpenDriver(driverName);
- if (psc->driver == NULL)
+ if (psc->driver == NULL) {
+ ErrorMessageF("driver pointer missing\n");
goto handle_error;
+ }
extensions = dlsym(psc->driver, __DRI_DRIVER_EXTENSIONS);
if (extensions == NULL) {
return NULL;
}
- if (drmGetMagic(psc->fd, &magic))
+ if (drmGetMagic(psc->fd, &magic)) {
+ ErrorMessageF("failed to get magic\n");
return NULL;
+ }
- if (!DRI2Authenticate(psc->dpy, RootWindow(psc->dpy, screen), magic))
+ if (!DRI2Authenticate(psc->dpy, RootWindow(psc->dpy, screen), magic)) {
+ ErrorMessageF("failed to authenticate magic %d\n", magic);
return NULL;
+ }
psc->__driScreen =
psc->dri2->createNewScreen(screen, psc->fd,
psp->createContext = dri2CreateContext;
psp->createDrawable = dri2CreateDrawable;
psp->swapBuffers = dri2SwapBuffers;
+ psp->waitGL = dri2WaitGL;
+ psp->waitX = dri2WaitX;
+
+ /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
+ * available.*/
psp->copySubBuffer = dri2CopySubBuffer;
+ __glXEnableDirectExtension(psc, "GLX_MESA_copy_sub_buffer");
Xfree(driverName);
Xfree(deviceName);