[Mesa-dev] [RFC 03/12] egl: add EGL_ANDROID_native_fence_sync
Chad Versace
chadversary at chromium.org
Mon Oct 10 17:43:50 UTC 2016
From: Rob Clark <robclark at freedesktop.org>
[chadv]: Resolve rebase conflicts.
Signed-off-by: Rob Clark <robclark at freedesktop.org>
---
src/egl/drivers/dri2/egl_dri2.c | 49 +++++++++++++++++++++++++++++++++++++++++
src/egl/main/eglapi.c | 36 +++++++++++++++++++++++++++---
src/egl/main/eglapi.h | 2 ++
src/egl/main/egldisplay.h | 1 +
src/egl/main/eglfallbacks.c | 1 +
src/egl/main/eglsync.c | 37 +++++++++++++++++++------------
src/egl/main/eglsync.h | 1 +
7 files changed, 110 insertions(+), 17 deletions(-)
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index cd0a2e9..0c15c85 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -633,6 +633,12 @@ dri2_setup_screen(_EGLDisplay *disp)
disp->Extensions.KHR_wait_sync = EGL_TRUE;
if (dri2_dpy->fence->get_fence_from_cl_event)
disp->Extensions.KHR_cl_event2 = EGL_TRUE;
+ if (dri2_dpy->fence->base.version >= 2) {
+ unsigned capabilities =
+ dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen);
+ disp->Extensions.ANDROID_native_fence_sync =
+ (capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0;
+ }
}
disp->Extensions.KHR_reusable_sync = EGL_TRUE;
@@ -2589,6 +2595,19 @@ dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
/* initial status of reusable sync must be "unsignaled" */
dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
break;
+
+ case EGL_SYNC_NATIVE_FENCE_ANDROID:
+ if (dri2_dpy->fence->create_fence_fd) {
+ dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
+ dri2_ctx->dri_context,
+ dri2_sync->base.SyncFd);
+ }
+ if (!dri2_sync->fence) {
+ _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
+ free(dri2_sync);
+ return NULL;
+ }
+ break;
}
p_atomic_set(&dri2_sync->refcount, 1);
@@ -2618,12 +2637,41 @@ dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
ret = EGL_FALSE;
}
}
+
+ if (sync->SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
+ close(sync->SyncFd);
+
dri2_egl_unref_sync(dri2_dpy, dri2_sync);
return ret;
}
static EGLint
+dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
+ struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
+
+ assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
+
+ if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
+ /* try to retrieve the actual native fence fd.. if rendering is
+ * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
+ */
+ sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
+ dri2_sync->fence);
+ }
+
+ if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
+ /* if native fence fd still not created, return an error: */
+ _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
+ return EGL_NO_NATIVE_FENCE_FD_ANDROID;
+ }
+
+ return dup(sync->SyncFd);
+}
+
+static EGLint
dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
EGLint flags, EGLTime timeout)
{
@@ -2900,6 +2948,7 @@ _eglBuiltInDriverDRI2(const char *args)
dri2_drv->base.API.SignalSyncKHR = dri2_signal_sync;
dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
+ dri2_drv->base.API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
dri2_drv->base.API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
dri2_drv->base.API.GLInteropExportObject = dri2_interop_export_object;
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 18071d7..3c0b017 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -469,6 +469,7 @@ _eglCreateExtensionsString(_EGLDisplay *dpy)
/* Please keep these sorted alphabetically. */
_EGL_CHECK_EXTENSION(ANDROID_framebuffer_target);
_EGL_CHECK_EXTENSION(ANDROID_image_native_buffer);
+ _EGL_CHECK_EXTENSION(ANDROID_native_fence_sync);
_EGL_CHECK_EXTENSION(ANDROID_recordable);
_EGL_CHECK_EXTENSION(CHROMIUM_sync_control);
@@ -1562,6 +1563,10 @@ _eglCreateSync(_EGLDisplay *disp, EGLenum type, const EGLAttrib *attrib_list,
if (!disp->Extensions.KHR_cl_event2)
RETURN_EGL_ERROR(disp, invalid_type_error, EGL_NO_SYNC_KHR);
break;
+ case EGL_SYNC_NATIVE_FENCE_ANDROID:
+ if (!disp->Extensions.ANDROID_native_fence_sync)
+ RETURN_EGL_ERROR(disp, invalid_type_error, EGL_NO_SYNC_KHR);
+ break;
default:
RETURN_EGL_ERROR(disp, invalid_type_error, EGL_NO_SYNC_KHR);
}
@@ -1634,7 +1639,8 @@ eglDestroySync(EGLDisplay dpy, EGLSync sync)
_EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
assert(disp->Extensions.KHR_reusable_sync ||
- disp->Extensions.KHR_fence_sync);
+ disp->Extensions.KHR_fence_sync ||
+ disp->Extensions.ANDROID_native_fence_sync);
_eglUnlinkSync(s);
ret = drv->API.DestroySyncKHR(drv, disp, s);
@@ -1655,7 +1661,8 @@ eglClientWaitSync(EGLDisplay dpy, EGLSync sync, EGLint flags, EGLTime timeout)
_EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
assert(disp->Extensions.KHR_reusable_sync ||
- disp->Extensions.KHR_fence_sync);
+ disp->Extensions.KHR_fence_sync ||
+ disp->Extensions.ANDROID_native_fence_sync);
if (s->SyncStatus == EGL_SIGNALED_KHR)
RETURN_EGL_EVAL(disp, EGL_CONDITION_SATISFIED_KHR);
@@ -1754,7 +1761,8 @@ _eglGetSyncAttribCommon(_EGLDisplay *disp, _EGLSync *s, EGLint attribute, EGLAtt
_EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
assert(disp->Extensions.KHR_reusable_sync ||
- disp->Extensions.KHR_fence_sync);
+ disp->Extensions.KHR_fence_sync ||
+ disp->Extensions.ANDROID_native_fence_sync);
ret = drv->API.GetSyncAttrib(drv, disp, s, attribute, value);
RETURN_EGL_EVAL(disp, ret);
@@ -1797,6 +1805,27 @@ eglGetSyncAttribKHR(EGLDisplay dpy, EGLSync sync, EGLint attribute, EGLint *valu
return result;
}
+static EGLint EGLAPIENTRY
+eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSync sync)
+{
+ _EGLDisplay *disp = _eglLockDisplay(dpy);
+ _EGLSync *s = _eglLookupSync(sync, disp);
+ _EGLDriver *drv;
+ EGLBoolean ret;
+
+ /* the spec doesn't seem to specify what happens if the fence
+ * type is not EGL_SYNC_NATIVE_FENCE_ANDROID, but this seems
+ * sensible:
+ */
+ if (s->Type != EGL_SYNC_NATIVE_FENCE_ANDROID)
+ RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_NO_NATIVE_FENCE_FD_ANDROID);
+
+ _EGL_CHECK_SYNC(disp, s, EGL_NO_NATIVE_FENCE_FD_ANDROID, drv);
+ assert(disp->Extensions.ANDROID_native_fence_sync);
+ ret = drv->API.DupNativeFenceFDANDROID(drv, disp, s);
+
+ RETURN_EGL_EVAL(disp, ret);
+}
static EGLBoolean EGLAPIENTRY
eglSwapBuffersRegionNOK(EGLDisplay dpy, EGLSurface surface,
@@ -2271,6 +2300,7 @@ eglGetProcAddress(const char *procname)
{ "eglLabelObjectKHR", (_EGLProc) eglLabelObjectKHR },
{ "eglDebugMessageControlKHR", (_EGLProc) eglDebugMessageControlKHR },
{ "eglQueryDebugKHR", (_EGLProc) eglQueryDebugKHR },
+ { "eglDupNativeFenceFDANDROID", (_EGLProc) eglDupNativeFenceFDANDROID },
{ NULL, NULL }
};
EGLint i;
diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h
index b9bcc8e..2dc89fc 100644
--- a/src/egl/main/eglapi.h
+++ b/src/egl/main/eglapi.h
@@ -146,6 +146,8 @@ struct _egl_api
EGLBoolean (*GetSyncAttrib)(_EGLDriver *drv, _EGLDisplay *dpy,
_EGLSync *sync, EGLint attribute,
EGLAttrib *value);
+ EGLint (*DupNativeFenceFDANDROID)(_EGLDriver *drv, _EGLDisplay *dpy,
+ _EGLSync *sync);
EGLBoolean (*SwapBuffersRegionNOK)(_EGLDriver *drv, _EGLDisplay *disp,
_EGLSurface *surf, EGLint numRects,
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index 22fb5c8..dcec764 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -94,6 +94,7 @@ struct _egl_extensions
/* Please keep these sorted alphabetically. */
EGLBoolean ANDROID_framebuffer_target;
EGLBoolean ANDROID_image_native_buffer;
+ EGLBoolean ANDROID_native_fence_sync;
EGLBoolean ANDROID_recordable;
EGLBoolean CHROMIUM_sync_control;
diff --git a/src/egl/main/eglfallbacks.c b/src/egl/main/eglfallbacks.c
index d0fce8c..017d337 100644
--- a/src/egl/main/eglfallbacks.c
+++ b/src/egl/main/eglfallbacks.c
@@ -92,6 +92,7 @@ _eglInitDriverFallbacks(_EGLDriver *drv)
drv->API.WaitSyncKHR = NULL;
drv->API.SignalSyncKHR = NULL;
drv->API.GetSyncAttrib = _eglGetSyncAttrib;
+ drv->API.DupNativeFenceFDANDROID = NULL;
drv->API.CreateDRMImageMESA = NULL;
drv->API.ExportDRMImageMESA = NULL;
diff --git a/src/egl/main/eglsync.c b/src/egl/main/eglsync.c
index eb9950d..ccfa474 100644
--- a/src/egl/main/eglsync.c
+++ b/src/egl/main/eglsync.c
@@ -49,24 +49,23 @@ _eglParseSyncAttribList(_EGLSync *sync, const EGLAttrib *attrib_list)
for (i = 0; attrib_list[i] != EGL_NONE; i++) {
EGLAttrib attr = attrib_list[i++];
EGLAttrib val = attrib_list[i];
- EGLint err = EGL_SUCCESS;
switch (attr) {
case EGL_CL_EVENT_HANDLE_KHR:
- if (sync->Type == EGL_SYNC_CL_EVENT_KHR) {
- sync->CLEvent = val;
- break;
- }
- /* fall through */
- default:
- (void) val;
- err = EGL_BAD_ATTRIBUTE;
+ if (sync->Type != EGL_SYNC_CL_EVENT_KHR)
+ goto bad_attrib;
+ sync->CLEvent = val;
break;
- }
-
- if (err != EGL_SUCCESS) {
+ case EGL_SYNC_NATIVE_FENCE_FD_ANDROID:
+ if (sync->Type != EGL_SYNC_NATIVE_FENCE_ANDROID)
+ goto bad_attrib;
+ /* we take ownership of the native fd, so no dup(): */
+ sync->SyncFd = val;
+ break;
+ bad_attrib:
+ default:
_eglLog(_EGL_DEBUG, "bad sync attribute 0x%" PRIxPTR, attr);
- return err;
+ return EGL_BAD_ATTRIBUTE;
}
}
@@ -83,6 +82,7 @@ _eglInitSync(_EGLSync *sync, _EGLDisplay *dpy, EGLenum type,
_eglInitResource(&sync->Resource, sizeof(*sync), dpy);
sync->Type = type;
sync->SyncStatus = EGL_UNSIGNALED_KHR;
+ sync->SyncFd = EGL_NO_NATIVE_FENCE_FD_ANDROID;
err = _eglParseSyncAttribList(sync, attrib_list);
if (err != EGL_SUCCESS)
@@ -92,6 +92,13 @@ _eglInitSync(_EGLSync *sync, _EGLDisplay *dpy, EGLenum type,
case EGL_SYNC_CL_EVENT_KHR:
sync->SyncCondition = EGL_SYNC_CL_EVENT_COMPLETE_KHR;
break;
+ case EGL_SYNC_NATIVE_FENCE_ANDROID:
+ sync->SyncCondition = EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID;
+ if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID)
+ sync->SyncCondition = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;
+ else
+ sync->SyncCondition = EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID;
+ break;
default:
sync->SyncCondition = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;
}
@@ -123,10 +130,12 @@ _eglGetSyncAttrib(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
break;
case EGL_SYNC_CONDITION_KHR:
if (sync->Type != EGL_SYNC_FENCE_KHR &&
- sync->Type != EGL_SYNC_CL_EVENT_KHR)
+ sync->Type != EGL_SYNC_CL_EVENT_KHR &&
+ sync->Type != EGL_SYNC_NATIVE_FENCE_ANDROID)
return _eglError(EGL_BAD_ATTRIBUTE, "eglGetSyncAttribKHR");
*value = sync->SyncCondition;
break;
+
default:
return _eglError(EGL_BAD_ATTRIBUTE, "eglGetSyncAttribKHR");
break;
diff --git a/src/egl/main/eglsync.h b/src/egl/main/eglsync.h
index 83b6f72..5ac76f3 100644
--- a/src/egl/main/eglsync.h
+++ b/src/egl/main/eglsync.h
@@ -48,6 +48,7 @@ struct _egl_sync
EGLenum SyncStatus;
EGLenum SyncCondition;
EGLAttrib CLEvent;
+ EGLint SyncFd;
};
--
2.10.0
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