[PATCH (nouveau)] Add xwayland support
Christopher James Halse Rogers
christopher.halse.rogers at canonical.com
Wed May 23 05:08:08 PDT 2012
Signed-off-by: Christopher James Halse Rogers <christopher.halse.rogers at canonical.com>
---
This is mostly just for testing, although it should be safe to apply to nouveau
trunk.
src/nouveau_dri2.c | 34 +++++++++++
src/nv_driver.c | 163 +++++++++++++++++++++++++++++++++++++++++++++++-----
src/nv_type.h | 7 +++
3 files changed, 191 insertions(+), 13 deletions(-)
diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index 7e47575..cb1a395 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -8,6 +8,10 @@
#ifdef DRI2
#include "dri2.h"
#endif
+#ifdef XORG_WAYLAND
+#include <xf86Priv.h>
+#include <xwayland.h>
+#endif
#if defined(DRI2) && DRI2INFOREC_VERSION >= 3
struct nouveau_dri2_buffer {
@@ -660,6 +664,32 @@ nouveau_dri2_flip_event_handler(unsigned int frame, unsigned int tv_sec,
free(flip);
}
+#ifdef XORG_WAYLAND
+static int nouveau_auth_magic(int fd, uint32_t magic)
+{
+ ScrnInfoPtr pScrn;
+ NVPtr pNv;
+ int i;
+
+ /* Not wayland, go stragight to drm */
+ if (!xorgWayland)
+ return drmAuthMagic(fd, magic);
+
+ /* Technically this should actually iterate over xf86Screens.
+ Since direct access to xf86Screens is going away, though,
+ we don't bother right now */
+ for (i = 0; i < 1; i++) {
+ pScrn = xf86Screens[i];
+ pNv = NVPTR(pScrn);
+ if (xwl_screen_get_drm_fd(pNv->xwl_screen) == fd)
+ break;
+ }
+
+ /* Forward the request to our host */
+ return xwl_drm_authenticate(pNv->xwl_screen, magic);
+}
+#endif
+
Bool
nouveau_dri2_init(ScreenPtr pScreen)
{
@@ -689,6 +719,10 @@ nouveau_dri2_init(ScreenPtr pScreen)
dri2.ScheduleWaitMSC = nouveau_dri2_schedule_wait;
dri2.GetMSC = nouveau_dri2_get_msc;
+#if DRI2INFOREC_VERSION >= 5 && defined(XORG_WAYLAND)
+ dri2.AuthMagic = nouveau_auth_magic;
+#endif
+
#if DRI2INFOREC_VERSION >= 6
dri2.SwapLimitValidate = nouveau_dri2_swap_limit_validate;
#endif
diff --git a/src/nv_driver.c b/src/nv_driver.c
index 9f6d75f..79c5c39 100644
--- a/src/nv_driver.c
+++ b/src/nv_driver.c
@@ -32,6 +32,10 @@
#ifdef DRI2
#include "dri2.h"
#endif
+#ifdef XORG_WAYLAND
+#include <xf86Priv.h>
+#include <xwayland.h>
+#endif
/*
* Forward definitions for the functions that make up the driver.
@@ -73,6 +77,28 @@ static Bool NVPciProbe ( DriverPtr drv,
struct pci_device *dev,
intptr_t match_data );
+
+static Bool nouveau_driver_func(ScrnInfoPtr pScrn,
+ xorgDriverFuncOp op,
+ pointer ptr)
+{
+ xorgHWFlags *flag;
+
+ switch (op) {
+ case GET_REQUIRED_HW_INTERFACES:
+ flag = (CARD32*)ptr;
+ (*flag) = 0;
+#ifdef XORG_WAYLAND
+ if (xorgWayland)
+ (*flag) = HW_SKIP_CONSOLE;
+#endif
+ return TRUE;
+ default:
+ /* Unknown or deprecated function */
+ return FALSE;
+ }
+}
+
/*
* This contains the functions needed by the server after loading the
* driver module. It must be supplied, and gets added the driver list by
@@ -89,7 +115,7 @@ _X_EXPORT DriverRec NV = {
NVAvailableOptions,
NULL,
0,
- NULL,
+ nouveau_driver_func,
nouveau_device_match,
NVPciProbe
};
@@ -215,7 +241,28 @@ NVPciProbe(DriverPtr drv, int entity_num, struct pci_device *pci_dev,
drmVersion *version;
int chipset, ret;
char *busid;
+#ifdef XORG_WAYLAND
+ struct xwl_screen *xwl_screen = NULL;
+ if (xorgWayland) {
+ xwl_screen = xwl_screen_create ();
+ if (!xwl_screen) {
+ xf86DrvMsg(-1, X_ERROR, "Failed to initialise xwayland.\n");
+ return FALSE;
+ }
+ if (xwl_drm_pre_init(xwl_screen) != Success) {
+ xwl_screen_destroy(xwl_screen);
+ xf86DrvMsg(-1, X_ERROR, "Failed to initialise xwayland drm.\n");
+ return FALSE;
+ }
+ ret = nouveau_device_wrap(xwl_screen_get_drm_fd(xwl_screen), 0, &dev);
+ if (ret) {
+ xwl_screen_destroy(xwl_screen);
+ xf86DrvMsg(-1, X_ERROR, "[drm] Failed to create drm device.\n");
+ return FALSE;
+ }
+ } else {
+#endif
if (!xf86LoaderCheckSymbol("DRICreatePCIBusID")) {
xf86DrvMsg(-1, X_ERROR, "[drm] No DRICreatePCIBusID symbol\n");
return FALSE;
@@ -229,6 +276,17 @@ NVPciProbe(DriverPtr drv, int entity_num, struct pci_device *pci_dev,
return FALSE;
}
+ ret = drmCheckModesettingSupported(busid);
+ if (ret) {
+ xf86DrvMsg(-1, X_ERROR, "[drm] KMS not enabled\n");
+ return FALSE;
+ }
+ free(busid);
+
+#ifdef XORG_WAYLAND
+ }
+#endif
+
/* Check the version reported by the kernel module. In theory we
* shouldn't have to do this, as libdrm_nouveau will do its own checks.
* But, we're currently using the kernel patchlevel to also version
@@ -243,13 +301,6 @@ NVPciProbe(DriverPtr drv, int entity_num, struct pci_device *pci_dev,
chipset = dev->chipset;
nouveau_device_del(&dev);
- ret = drmCheckModesettingSupported(busid);
- free(busid);
- if (ret) {
- xf86DrvMsg(-1, X_ERROR, "[drm] KMS not enabled\n");
- return FALSE;
- }
-
switch (chipset & 0xf0) {
case 0x00:
case 0x10:
@@ -266,14 +317,21 @@ NVPciProbe(DriverPtr drv, int entity_num, struct pci_device *pci_dev,
case 0xe0:
break;
default:
+#ifdef XORG_WAYLAND
+ xwl_screen_destroy(xwl_screen);
+#endif
xf86DrvMsg(-1, X_ERROR, "Unknown chipset: NV%02x\n", chipset);
return FALSE;
}
pScrn = xf86ConfigPciEntity(pScrn, 0, entity_num, NVChipsets,
NULL, NULL, NULL, NULL, NULL);
- if (!pScrn)
+ if (!pScrn) {
+#ifdef XORG_WAYLAND
+ xwl_screen_destroy(xwl_screen);
+#endif
return FALSE;
+ }
pScrn->driverVersion = NV_VERSION;
pScrn->driverName = NV_DRIVER_NAME;
@@ -288,6 +346,10 @@ NVPciProbe(DriverPtr drv, int entity_num, struct pci_device *pci_dev,
pScrn->LeaveVT = NVLeaveVT;
pScrn->FreeScreen = NVFreeScreen;
+#ifdef XORG_WAYLAND
+ pScrn->driverPrivate = xwl_screen;
+#endif
+
xf86SetEntitySharable(entity_num);
pEnt = xf86GetEntityInfo(entity_num);
@@ -376,6 +438,11 @@ NVFlushCallback(CallbackListPtr *list, pointer user_data, pointer call_data)
if (pScrn->vtSema && !pNv->NoAccel)
nouveau_pushbuf_kick(pNv->pushbuf, pNv->pushbuf->channel);
+#ifdef XORG_WAYLAND
+ if (pNv->xwl_screen)
+ xwl_screen_post_damage(pNv->xwl_screen);
+#endif
+
}
static void
@@ -399,6 +466,11 @@ NVBlockHandler (
if (pNv->VideoTimerCallback)
(*pNv->VideoTimerCallback)(pScrn, currentTime.milliseconds);
+
+#ifdef XORG_WAYLAND
+ if (pNv->xwl_screen)
+ xwl_screen_post_damage(pNv->xwl_screen);
+#endif
}
static Bool
@@ -413,6 +485,11 @@ NVCreateScreenResources(ScreenPtr pScreen)
return FALSE;
pScreen->CreateScreenResources = NVCreateScreenResources;
+#ifdef XORG_WAYLAND
+ if (pNv->xwl_screen)
+ xwl_screen_init(pNv->xwl_screen, pScreen);
+#endif
+
drmmode_fbcon_copy(pScreen);
if (!NVEnterVT(pScrn->scrnIndex, 0))
return FALSE;
@@ -425,6 +502,27 @@ NVCreateScreenResources(ScreenPtr pScreen)
return TRUE;
}
+#ifdef XORG_WAYLAND
+static int nouveau_create_window_buffer(struct xwl_window *xwl_window,
+ PixmapPtr pixmap)
+{
+ uint32_t name;
+ struct nouveau_bo *bo;
+
+ bo = nouveau_pixmap_bo(pixmap);
+ if (bo == NULL || nouveau_bo_name_get(bo, &name) != 0)
+ return BadDrawable;
+
+ return xwl_create_window_buffer_drm(xwl_window, pixmap, name);
+}
+
+static struct xwl_driver xwl_driver = {
+ .version = 1,
+ .use_drm = 1,
+ .create_window_buffer = nouveau_create_window_buffer
+};
+#endif
+
/*
* This is called at the end of each server generation. It restores the
* original (text) mode. It should also unmap the video memory, and free
@@ -439,6 +537,11 @@ NVCloseScreen(int scrnIndex, ScreenPtr pScreen)
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
NVPtr pNv = NVPTR(pScrn);
+#ifdef XORG_WAYLAND
+ if (pNv->xwl_screen)
+ xwl_screen_close(pNv->xwl_screen);
+#endif
+
drmmode_screen_fini(pScreen);
if (!pNv->NoAccel)
@@ -507,6 +610,11 @@ NVFreeScreen(int scrnIndex, int flags)
if (!pNv)
return;
+#ifdef XORG_WAYLAND
+ if (pNv->xwl_screen)
+ xwl_screen_destroy(pNv->xwl_screen);
+#endif
+
NVCloseDRM(pScrn);
free(pScrn->driverPrivate);
@@ -568,10 +676,16 @@ NVPreInitDRM(ScrnInfoPtr pScrn)
NVPtr pNv = NVPTR(pScrn);
char *bus_id;
int ret;
+ int drm_fd;
if (!NVDRIGetVersion(pScrn))
return FALSE;
+#ifdef XORG_WAYLAND
+ if (pNv->xwl_screen)
+ drm_fd = xwl_screen_get_drm_fd(pNv->xwl_screen);
+ else {
+#endif
/* Load the kernel module, and open the DRM */
bus_id = DRICreatePCIBusID(pNv->PciInfo);
ret = DRIOpenDRMMaster(pScrn, SAREA_MAX, bus_id, "nouveau");
@@ -582,8 +696,13 @@ NVPreInitDRM(ScrnInfoPtr pScrn)
return FALSE;
}
+ drm_fd = DRIMasterFD(pScrn);
+#ifdef XORG_WAYLAND
+ }
+#endif
+
/* Initialise libdrm_nouveau */
- ret = nouveau_device_wrap(DRIMasterFD(pScrn), 1, &pNv->dev);
+ ret = nouveau_device_wrap(drm_fd, 1, &pNv->dev);
if (ret) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"[drm] error creating device\n");
@@ -594,7 +713,7 @@ NVPreInitDRM(ScrnInfoPtr pScrn)
if (ret)
return FALSE;
- pNv->drm_device_name = drmGetDeviceNameFromFd(DRIMasterFD(pScrn));
+ pNv->drm_device_name = drmGetDeviceNameFromFd(drm_fd);
return TRUE;
}
@@ -610,6 +729,9 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
uint64_t v;
int ret;
int defaultDepth = 0;
+#ifdef XORG_WAYLAND
+ struct xwl_screen *xwl_screen = pScrn->driverPrivate;
+#endif
if (flags & PROBE_DETECT) {
EntityInfoPtr pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
@@ -643,6 +765,10 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
if (!(pScrn->driverPrivate = xnfcalloc(1, sizeof(NVRec))))
return FALSE;
pNv = NVPTR(pScrn);
+
+#ifdef XORG_WAYLAND
+ pNv->xwl_screen = xwl_screen;
+#endif
/* Get the entity, and make sure it is PCI. */
pNv->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
@@ -780,6 +906,14 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
memcpy(pNv->Options, NVOptions, sizeof(NVOptions));
xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pNv->Options);
+#ifdef XORG_WAYLAND
+ if (xwl_screen) {
+ if (!xwl_screen_pre_init(pScrn, xwl_screen, 0, &xwl_driver)) {
+ NVPreInitFail("Failed to initialise xwayland\n");
+ }
+ }
+#endif
+
from = X_DEFAULT;
pNv->HWCursor = TRUE;
@@ -887,8 +1021,8 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
xf86DrvMsg(pScrn->scrnIndex, from, "Swap limit set to %d [Max allowed %d]%s\n",
pNv->swap_limit, pNv->max_swap_limit, reason);
- ret = drmmode_pre_init(pScrn, pNv->dev->fd, pScrn->bitsPerPixel >> 3);
- if (ret == FALSE)
+ if (!xwl_screen &&
+ !drmmode_pre_init(pScrn, pNv->dev->fd, pScrn->bitsPerPixel >> 3))
NVPreInitFail("Kernel modesetting failed to initialize\n");
/*
@@ -1267,6 +1401,9 @@ NVScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
if (serverGeneration == 1)
xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
+#ifdef XORG_WAYLAND
+ if (!pNv->xwl_screen)
+#endif
drmmode_screen_init(pScreen);
return TRUE;
}
diff --git a/src/nv_type.h b/src/nv_type.h
index 49150ba..4e36b7f 100644
--- a/src/nv_type.h
+++ b/src/nv_type.h
@@ -15,6 +15,9 @@
#else
#error "This driver requires a DRI-enabled X server"
#endif
+#ifdef XORG_WAYLAND
+#include <xwayland.h>
+#endif
#define NV_ARCH_03 0x03
#define NV_ARCH_04 0x04
@@ -76,6 +79,10 @@ typedef struct _NVRec {
void *drmmode; /* for KMS */
+#ifdef XORG_WAYLAND
+ struct xwl_screen *xwl_screen;
+#endif
+
/* DRM interface */
struct nouveau_device *dev;
char *drm_device_name;
--
1.7.10
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