#include <X11/Xlib.h>
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/Xdamage.h>
-#include "glheader.h"
#include "glxclient.h"
#include "glcontextmodes.h"
#include "xf86dri.h"
-#include "sarea.h"
#include <dlfcn.h>
+#include <fcntl.h>
+#include <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>
#include "xf86drm.h"
__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);
return &pdraw->base;
}
+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 = 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);
+}
+
static void dri2SwapBuffers(__GLXDRIdrawable *pdraw)
{
__GLXDRIdrawablePrivate *priv = (__GLXDRIdrawablePrivate *) pdraw;
- DRI2SwapBuffers(pdraw->psc->dpy, pdraw->drawable,
- 0, 0, priv->width, priv->height);
+ 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 */
(*psc->core->destroyScreen)(psc->__driScreen);
- drmClose(psc->fd);
+ close(psc->fd);
psc->__driScreen = NULL;
}
buffers = DRI2GetBuffers(pdraw->base.psc->dpy, pdraw->base.xDrawable,
width, height, attachments, count, out_count);
+ if (buffers == NULL)
+ return NULL;
+
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);
const __DRIconfig **driver_configs;
const __DRIextension **extensions;
__GLXDRIscreen *psp;
- unsigned int sareaHandle;
- char *driverName, *busID;
+ char *driverName, *deviceName;
drm_magic_t magic;
int i;
/* Initialize per screen dynamic client GLX extensions */
psc->ext_list_first_time = GL_TRUE;
- if (!DRI2Connect(psc->dpy, screen, &driverName, &busID, &sareaHandle))
+ if (!DRI2Connect(psc->dpy, RootWindow(psc->dpy, screen),
+ &driverName, &deviceName))
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) {
goto handle_error;
}
- psc->fd = drmOpen(NULL, busID);
+ psc->fd = open(deviceName, O_RDWR);
if (psc->fd < 0) {
ErrorMessageF("failed to open drm device: %s\n", strerror(errno));
return NULL;
}
- if (drmGetMagic(psc->fd, &magic))
+ if (drmGetMagic(psc->fd, &magic)) {
+ ErrorMessageF("failed to get magic\n");
return NULL;
+ }
- if (!DRI2AuthConnection(psc->dpy, screen, magic)) {
- ErrorMessageF("failed to authenticate drm access\n");
+ if (!DRI2Authenticate(psc->dpy, RootWindow(psc->dpy, screen), magic)) {
+ ErrorMessageF("failed to authenticate magic %d\n", magic);
return NULL;
}
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(busID);
+ Xfree(deviceName);
return psp;
handle_error:
Xfree(driverName);
- Xfree(busID);
+ Xfree(deviceName);
/* FIXME: clean up here */