On Fri, Apr 18, 2014 at 3:37 PM, Sarah Sharp <sarah.a.sh...@linux.intel.com>wrote:
> Chromium defined a new GL extension (that isn't registered with Khronos). > This here is the problem IMO. I'll see next week what we can do about pushing for this to become a registered extension. Intel would be our 2nd implementation, so I think we have enough support at this point. Stéphane > We need to add an EGL extension for it, so we can migrate ChromeOS on > Intel systems to use EGL instead of GLX. > > > http://git.chromium.org/gitweb/?p=chromium/src/third_party/khronos.git;a=commitdiff;h=27cbfdab35c601f70aa150581ad1448d0401f447 > > The extension is similar to the GLX extension OML_sync_control, but only > defines one function, eglGetSyncValuesCHROMIUM, which is equivalent to > glXGetSyncValuesOML. > > http://www.opengl.org/registry/specs/OML/glx_sync_control.txt > > One open question: > > I've used the normal (error checked) version of xcb_dri2_get_msc. The > GLX implementation of glXGetSyncValuesOML uses the unchecked version, > but I'm not convinced it's necessary. > > I talked to Jamey Sharp, and he doesn't understand why most of Mesa > calls the unchecked versions of XCB functions. He thought most > developers would want to use the normal (checked) versions, since the > unchecked versions may segfault on errors. Mesa can always call the > checked version, but ignore the error that's set, so it doesn't have to > use the unchecked version. > > I talked to Kristen Høgsberg, who added most of the Mesa XCB calls, and > he said he copied the style from Chris Wilson. If using the unchecked > versions isn't required, we should look into moving the XCB calls in > Mesa to the normal checked versions. Otherwise people will just keep > copy-pasting the unchecked versions around. > > Signed-off-by: Sarah Sharp <sarah.a.sh...@linux.intel.com> > Cc: Chad Versace <chad.vers...@linux.intel.com> > Cc: Kristian Høgsberg <k...@bitplanet.net> > Cc: Jamey Sharp <ja...@minilop.net> > --- > include/EGL/eglext.h | 10 ++++++++++ > src/egl/drivers/dri2/egl_dri2.c | 15 +++++++++++++++ > src/egl/drivers/dri2/egl_dri2.h | 4 ++++ > src/egl/drivers/dri2/egl_dri2_fallbacks.h | 8 ++++++++ > src/egl/drivers/dri2/platform_android.c | 1 + > src/egl/drivers/dri2/platform_drm.c | 1 + > src/egl/drivers/dri2/platform_wayland.c | 1 + > src/egl/drivers/dri2/platform_x11.c | 27 +++++++++++++++++++++++++++ > src/egl/main/eglapi.c | 27 +++++++++++++++++++++++++++ > src/egl/main/eglapi.h | 7 +++++++ > src/egl/main/egldisplay.h | 1 + > src/egl/main/eglmisc.c | 1 + > 12 files changed, 103 insertions(+) > > diff --git a/include/EGL/eglext.h b/include/EGL/eglext.h > index 243da4a..097ad68 100644 > --- a/include/EGL/eglext.h > +++ b/include/EGL/eglext.h > @@ -588,6 +588,16 @@ EGLAPI EGLBoolean EGLAPIENTRY eglPostSubBufferNV > (EGLDisplay dpy, EGLSurface sur > #endif > #endif /* EGL_NV_post_sub_buffer */ > > +#if KHRONOS_SUPPORT_INT64 /* EGLSyncControlCHROMIUM requires 64-bit > uint support */ > +#ifndef EGL_CHROMIUM_sync_control > +#define EGL_CHROMIUM_sync_control 1 > +#ifdef EGL_EGLEXT_PROTOTYPES > +EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncValuesCHROMIUM(EGLDisplay dpy, > EGLSurface surface, EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR > *sbc); > +#endif /* EGL_EGLEXT_PROTOTYPES */ > +typedef EGLBoolean (EGLAPIENTRYP > PFNEGLGETSYNCVALUESCHROMIUMPROC)(EGLDisplay dpy, EGLSurface surface, > EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc); > +#endif > +#endif > + > #ifndef EGL_NV_stream_sync > #define EGL_NV_stream_sync 1 > #define EGL_SYNC_NEW_FRAME_NV 0x321F > diff --git a/src/egl/drivers/dri2/egl_dri2.c > b/src/egl/drivers/dri2/egl_dri2.c > index dc541ad..df8d9af 100644 > --- a/src/egl/drivers/dri2/egl_dri2.c > +++ b/src/egl/drivers/dri2/egl_dri2.c > @@ -1386,6 +1386,18 @@ dri2_create_image_wayland_wl_buffer(_EGLDisplay > *disp, _EGLContext *ctx, > } > #endif > > +#ifdef EGL_CHROMIUM_sync_control > +static EGLBoolean > +dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf, > + EGLuint64KHR *ust, EGLuint64KHR *msc, > + EGLuint64KHR *sbc) > +{ > + struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy); > + return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc); > +} > +#endif > + > + > /** > * Set the error code after a call to > * dri2_egl_image::dri_image::createImageFromTexture. > @@ -2177,6 +2189,9 @@ _eglBuiltInDriverDRI2(const char *args) > dri2_drv->base.API.UnbindWaylandDisplayWL = > dri2_unbind_wayland_display_wl; > dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl; > #endif > +#ifdef EGL_CHROMIUM_sync_control > + dri2_drv->base.API.GetSyncValuesCHROMIUM = > dri2_get_sync_values_chromium; > +#endif > > dri2_drv->base.Name = "DRI2"; > dri2_drv->base.Unload = dri2_unload; > diff --git a/src/egl/drivers/dri2/egl_dri2.h > b/src/egl/drivers/dri2/egl_dri2.h > index e62e265..44f26fb 100644 > --- a/src/egl/drivers/dri2/egl_dri2.h > +++ b/src/egl/drivers/dri2/egl_dri2.h > @@ -138,6 +138,10 @@ struct dri2_egl_display_vtbl { > > struct wl_buffer* (*create_wayland_buffer_from_image)( > _EGLDriver *drv, _EGLDisplay *dpy, _EGLImage > *img); > + > + EGLBoolean (*get_sync_values)(_EGLDisplay *display, _EGLSurface > *surface, > + EGLuint64KHR *ust, EGLuint64KHR *msc, > + EGLuint64KHR *sbc); > }; > > struct dri2_egl_display > diff --git a/src/egl/drivers/dri2/egl_dri2_fallbacks.h > b/src/egl/drivers/dri2/egl_dri2_fallbacks.h > index a5cf344..9cba001 100644 > --- a/src/egl/drivers/dri2/egl_dri2_fallbacks.h > +++ b/src/egl/drivers/dri2/egl_dri2_fallbacks.h > @@ -98,3 +98,11 @@ > dri2_fallback_create_wayland_buffer_from_image(_EGLDriver *drv, > { > return NULL; > } > + > +static inline EGLBoolean > +dri2_fallback_get_sync_values(_EGLDisplay *dpy, _EGLSurface *surf, > + EGLuint64KHR *ust, EGLuint64KHR *msc, > + EGLuint64KHR *sbc) > +{ > + return EGL_FALSE; > +} > diff --git a/src/egl/drivers/dri2/platform_android.c > b/src/egl/drivers/dri2/platform_android.c > index 7b1db76..71948bd 100644 > --- a/src/egl/drivers/dri2/platform_android.c > +++ b/src/egl/drivers/dri2/platform_android.c > @@ -650,6 +650,7 @@ static struct dri2_egl_display_vtbl droid_display_vtbl > = { > .copy_buffers = dri2_fallback_copy_buffers, > .query_buffer_age = dri2_fallback_query_buffer_age, > .create_wayland_buffer_from_image = > dri2_fallback_create_wayland_buffer_from_image, > + .get_sync_values = dri2_fallback_get_sync_values, > }; > > EGLBoolean > diff --git a/src/egl/drivers/dri2/platform_drm.c > b/src/egl/drivers/dri2/platform_drm.c > index 9a7633a..52d8b49 100644 > --- a/src/egl/drivers/dri2/platform_drm.c > +++ b/src/egl/drivers/dri2/platform_drm.c > @@ -472,6 +472,7 @@ static struct dri2_egl_display_vtbl > dri2_drm_display_vtbl = { > .copy_buffers = dri2_fallback_copy_buffers, > .query_buffer_age = dri2_drm_query_buffer_age, > .create_wayland_buffer_from_image = > dri2_fallback_create_wayland_buffer_from_image, > + .get_sync_values = dri2_fallback_get_sync_values, > }; > > EGLBoolean > diff --git a/src/egl/drivers/dri2/platform_wayland.c > b/src/egl/drivers/dri2/platform_wayland.c > index 691f3e1..efc5546 100644 > --- a/src/egl/drivers/dri2/platform_wayland.c > +++ b/src/egl/drivers/dri2/platform_wayland.c > @@ -964,6 +964,7 @@ static struct dri2_egl_display_vtbl > dri2_wl_display_vtbl = { > .copy_buffers = dri2_fallback_copy_buffers, > .query_buffer_age = dri2_wl_query_buffer_age, > .create_wayland_buffer_from_image = > dri2_wl_create_wayland_buffer_from_image, > + .get_sync_values = dri2_fallback_get_sync_values, > }; > > EGLBoolean > diff --git a/src/egl/drivers/dri2/platform_x11.c > b/src/egl/drivers/dri2/platform_x11.c > index 7b585a2..a6b03cc 100644 > --- a/src/egl/drivers/dri2/platform_x11.c > +++ b/src/egl/drivers/dri2/platform_x11.c > @@ -1008,6 +1008,30 @@ dri2_x11_swrast_create_image_khr(_EGLDriver *drv, > _EGLDisplay *disp, > return NULL; > } > > +static EGLBoolean > +dri2_x11_get_sync_values(_EGLDisplay *display, _EGLSurface *surface, > + EGLuint64KHR *ust, EGLuint64KHR *msc, > + EGLuint64KHR *sbc) > +{ > + struct dri2_egl_display *dri2_dpy = dri2_egl_display(display); > + struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface); > + xcb_dri2_get_msc_cookie_t cookie; > + xcb_dri2_get_msc_reply_t *reply; > + > + cookie = xcb_dri2_get_msc(dri2_dpy->conn, dri2_surf->drawable); > + reply = xcb_dri2_get_msc_reply(dri2_dpy->conn, cookie, NULL); > + > + if (!reply) > + return EGL_FALSE; > + > + *ust = ((EGLuint64KHR) reply->ust_hi << 32) | reply->ust_lo; > + *msc = ((EGLuint64KHR) reply->msc_hi << 32) | reply->msc_lo; > + *sbc = ((EGLuint64KHR) reply->sbc_hi << 32) | reply->sbc_lo; > + free(reply); > + > + return EGL_TRUE; > +} > + > static struct dri2_egl_display_vtbl dri2_x11_swrast_display_vtbl = { > .authenticate = NULL, > .create_window_surface = dri2_x11_create_window_surface, > @@ -1022,6 +1046,7 @@ static struct dri2_egl_display_vtbl > dri2_x11_swrast_display_vtbl = { > .copy_buffers = dri2_x11_copy_buffers, > .query_buffer_age = dri2_fallback_query_buffer_age, > .create_wayland_buffer_from_image = > dri2_fallback_create_wayland_buffer_from_image, > + .get_sync_values = dri2_fallback_get_sync_values, > }; > > static struct dri2_egl_display_vtbl dri2_x11_display_vtbl = { > @@ -1039,6 +1064,7 @@ static struct dri2_egl_display_vtbl > dri2_x11_display_vtbl = { > .copy_buffers = dri2_x11_copy_buffers, > .query_buffer_age = dri2_fallback_query_buffer_age, > .create_wayland_buffer_from_image = > dri2_fallback_create_wayland_buffer_from_image, > + .get_sync_values = dri2_x11_get_sync_values, > }; > > static EGLBoolean > @@ -1243,6 +1269,7 @@ dri2_initialize_x11_dri2(_EGLDriver *drv, > _EGLDisplay *disp) > disp->Extensions.NOK_swap_region = EGL_TRUE; > disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE; > disp->Extensions.NV_post_sub_buffer = EGL_TRUE; > + disp->Extensions.CHROMIUM_get_sync_values = EGL_TRUE; > > #ifdef HAVE_WAYLAND_PLATFORM > disp->Extensions.WL_bind_wayland_display = EGL_TRUE; > diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c > index 219d8e6..d876995 100644 > --- a/src/egl/main/eglapi.c > +++ b/src/egl/main/eglapi.c > @@ -1086,6 +1086,9 @@ eglGetProcAddress(const char *procname) > { "eglGetPlatformDisplayEXT", (_EGLProc) eglGetPlatformDisplayEXT }, > { "eglCreatePlatformWindowSurfaceEXT", (_EGLProc) > eglCreatePlatformWindowSurfaceEXT }, > { "eglCreatePlatformPixmapSurfaceEXT", (_EGLProc) > eglCreatePlatformPixmapSurfaceEXT }, > +#ifdef EGL_CHROMIUM_sync_control > + { "eglGetSyncValuesCHROMIUM", (_EGLProc) eglGetSyncValuesCHROMIUM }, > +#endif > { NULL, NULL } > }; > EGLint i; > @@ -1751,3 +1754,27 @@ eglPostSubBufferNV(EGLDisplay dpy, EGLSurface > surface, > > RETURN_EGL_EVAL(disp, ret); > } > + > +#ifdef EGL_CHROMIUM_sync_control > +EGLBoolean EGLAPIENTRY > +eglGetSyncValuesCHROMIUM(EGLDisplay display, EGLSurface surface, > + EGLuint64KHR *ust, EGLuint64KHR *msc, > + EGLuint64KHR *sbc) > +{ > + _EGLDisplay *disp = _eglLockDisplay(display); > + _EGLSurface *surf = _eglLookupSurface(surface, disp); > + _EGLDriver *drv; > + EGLBoolean ret; > + > + _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv); > + if (!disp->Extensions.CHROMIUM_get_sync_values) > + RETURN_EGL_EVAL(disp, EGL_FALSE); > + > + if (!ust || !msc || !sbc) > + RETURN_EGL_EVAL(disp, EGL_FALSE); > + > + ret = drv->API.GetSyncValuesCHROMIUM(disp, surf, ust, msc, sbc); > + > + RETURN_EGL_EVAL(disp, ret); > +} > +#endif > diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h > index f20ce5b..f176aa3 100644 > --- a/src/egl/main/eglapi.h > +++ b/src/egl/main/eglapi.h > @@ -139,6 +139,10 @@ typedef EGLint (*QueryBufferAge_t)(_EGLDriver *drv, > typedef EGLBoolean (*SwapBuffersWithDamageEXT_t) (_EGLDriver *drv, > _EGLDisplay *dpy, _EGLSurface *surface, const EGLint *rects, EGLint > n_rects); > #endif > > +#ifdef EGL_CHROMIUM_sync_control > +typedef EGLBoolean (*GetSyncValuesCHROMIUM_t) (_EGLDisplay *dpy, > _EGLSurface *surface, EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR > *sbc); > +#endif > + > /** > * The API dispatcher jumps through these functions > */ > @@ -225,6 +229,9 @@ struct _egl_api > PostSubBufferNV_t PostSubBufferNV; > > QueryBufferAge_t QueryBufferAge; > +#ifdef EGL_CHROMIUM_sync_control > + GetSyncValuesCHROMIUM_t GetSyncValuesCHROMIUM; > +#endif > }; > > #endif /* EGLAPI_INCLUDED */ > diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h > index 970c21a..2dec6e4 100644 > --- a/src/egl/main/egldisplay.h > +++ b/src/egl/main/egldisplay.h > @@ -119,6 +119,7 @@ struct _egl_extensions > EGLBoolean EXT_buffer_age; > EGLBoolean EXT_swap_buffers_with_damage; > EGLBoolean EXT_image_dma_buf_import; > + EGLBoolean CHROMIUM_get_sync_values; > }; > > > diff --git a/src/egl/main/eglmisc.c b/src/egl/main/eglmisc.c > index 65669d8..d867d1f 100644 > --- a/src/egl/main/eglmisc.c > +++ b/src/egl/main/eglmisc.c > @@ -123,6 +123,7 @@ _eglUpdateExtensionsString(_EGLDisplay *dpy) > _EGL_CHECK_EXTENSION(EXT_image_dma_buf_import); > > _EGL_CHECK_EXTENSION(NV_post_sub_buffer); > + _EGL_CHECK_EXTENSION(CHROMIUM_get_sync_values); > #undef _EGL_CHECK_EXTENSION > } > > -- > 1.8.3.2 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev >
_______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
