Mesa (master): st/egl: Add support for EGL_KHR_surfaceless_*.

[Chia-I Wu]

Module: Mesa
Branch: master
Commit: 9b6a63a0e2271b0b28c89b22c8981ef8f73205c8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9b6a63a0e2271b0b28c89b22c8981ef8f73205c8

Author: Chia-I Wu <olv at lunarg.com>
Date:   Thu Aug 26 01:10:14 2010 -0600

st/egl: Add support for EGL_KHR_surfaceless_*.

---

 src/gallium/state_trackers/egl/common/egl_g3d.c    |    4 +++
 .../state_trackers/egl/common/egl_g3d_api.c        |   21 +++++++++++--------
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.c b/src/gallium/state_trackers/egl/common/egl_g3d.c
index 02b9f6a..80929c3 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d.c
@@ -533,6 +533,10 @@ egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy,
    dpy->Extensions.KHR_reusable_sync = EGL_TRUE;
    dpy->Extensions.KHR_fence_sync = EGL_TRUE;
 
+   dpy->Extensions.KHR_surfaceless_gles1 = EGL_TRUE;
+   dpy->Extensions.KHR_surfaceless_gles2 = EGL_TRUE;
+   dpy->Extensions.KHR_surfaceless_opengl = EGL_TRUE;
+
    if (egl_g3d_add_configs(drv, dpy, 1) == 1) {
       _eglError(EGL_NOT_INITIALIZED, "eglInitialize(unable to add configs)");
       goto fail;
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d_api.c b/src/gallium/state_trackers/egl/common/egl_g3d_api.c
index 1120945..fee9e3c 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d_api.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d_api.c
@@ -104,7 +104,7 @@ egl_g3d_create_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
    }
 
    gctx->stctxi = gctx->stapi->create_context(gctx->stapi, gdpy->smapi,
-         &gconf->stvis, (gshare) ? gshare->stctxi : NULL);
+         (gconf) ? &gconf->stvis : NULL, (gshare) ? gshare->stctxi : NULL);
    if (!gctx->stctxi) {
       FREE(gctx);
       return NULL;
@@ -438,16 +438,19 @@ egl_g3d_make_current(_EGLDriver *drv, _EGLDisplay *dpy,
       ok = gctx->stapi->make_current(gctx->stapi, gctx->stctxi,
             (gdraw) ? gdraw->stfbi : NULL, (gread) ? gread->stfbi : NULL);
       if (ok) {
-         gctx->stctxi->notify_invalid_framebuffer(gctx->stctxi, gdraw->stfbi);
-         if (gread != gdraw) {
+         if (gdraw) {
             gctx->stctxi->notify_invalid_framebuffer(gctx->stctxi,
-                  gread->stfbi);
-         }
+                  gdraw->stfbi);
 
-         if (gdraw->base.Type == EGL_WINDOW_BIT) {
-            gctx->base.WindowRenderBuffer =
-               (gdraw->stvis.render_buffer == ST_ATTACHMENT_FRONT_LEFT) ?
-               EGL_SINGLE_BUFFER : EGL_BACK_BUFFER;
+            if (gdraw->base.Type == EGL_WINDOW_BIT) {
+               gctx->base.WindowRenderBuffer =
+                  (gdraw->stvis.render_buffer == ST_ATTACHMENT_FRONT_LEFT) ?
+                  EGL_SINGLE_BUFFER : EGL_BACK_BUFFER;
+            }
+         }
+         if (gread && gread != gdraw) {
+            gctx->stctxi->notify_invalid_framebuffer(gctx->stctxi,
+                  gread->stfbi);
          }
       }
    }