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Diffstat (limited to 'src/glx/x11/dri2_glx.c')
-rw-r--r--src/glx/x11/dri2_glx.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/glx/x11/dri2_glx.c b/src/glx/x11/dri2_glx.c
index b878f05ddac..0ef5d3ab56f 100644
--- a/src/glx/x11/dri2_glx.c
+++ b/src/glx/x11/dri2_glx.c
@@ -77,6 +77,9 @@ struct __GLXDRIdrawablePrivateRec {
int bufferCount;
int width, height;
unsigned long configureSeqno;
+ int have_back;
+ int have_front;
+ int have_fake_front;
};
static void dri2DestroyContext(__GLXDRIcontext *context,
@@ -196,12 +199,22 @@ static void dri2CopySubBuffer(__GLXDRIdrawable *pdraw,
XRectangle xrect;
XserverRegion region;
+ /* Check we have the right attachments */
+ if (!(priv->have_front && priv->have_back))
+ return;
+
xrect.x = x;
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);
@@ -214,6 +227,57 @@ static void dri2SwapBuffers(__GLXDRIdrawable *pdraw)
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 */
@@ -261,6 +325,9 @@ dri2GetBuffers(__DRIdrawable *driDrawable,
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. */
@@ -270,6 +337,12 @@ dri2GetBuffers(__DRIdrawable *driDrawable,
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);
@@ -366,6 +439,8 @@ static __GLXDRIscreen *dri2CreateScreen(__GLXscreenConfigs *psc, int screen,
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.*/