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-rw-r--r--src/egl/main/eglapi.c17
-rw-r--r--src/egl/main/eglcontext.c75
-rw-r--r--src/egl/main/eglcontext.h31
-rw-r--r--src/egl/main/eglimage.h11
-rw-r--r--src/egl/main/eglsurface.h27
-rw-r--r--src/egl/main/eglsync.h14
6 files changed, 57 insertions, 118 deletions
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 913ddd288bd..efa9e97346b 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -648,11 +648,12 @@ eglSwapInterval(EGLDisplay dpy, EGLint interval)
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
- if (!ctx || !_eglIsContextLinked(ctx) || ctx->Resource.Display != disp)
+ if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
+ ctx->Resource.Display != disp)
RETURN_EGL_ERROR(disp, EGL_BAD_CONTEXT, EGL_FALSE);
surf = ctx->DrawSurface;
- if (!_eglIsSurfaceLinked(surf))
+ if (_eglGetSurfaceHandle(surf) == EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
ret = drv->API.SwapInterval(drv, disp, surf, interval);
@@ -673,7 +674,8 @@ eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
/* surface must be bound to current context in EGL 1.4 */
- if (!ctx || !_eglIsContextLinked(ctx) || surf != ctx->DrawSurface)
+ if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
+ surf != ctx->DrawSurface)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
ret = drv->API.SwapBuffers(drv, disp, surf);
@@ -714,7 +716,8 @@ eglWaitClient(void)
_eglLockMutex(&disp->Mutex);
/* let bad current context imply bad current surface */
- if (!_eglIsContextLinked(ctx) || !_eglIsSurfaceLinked(ctx->DrawSurface))
+ if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
+ _eglGetSurfaceHandle(ctx->DrawSurface) == EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_CURRENT_SURFACE, EGL_FALSE);
/* a valid current context implies an initialized current display */
@@ -763,7 +766,8 @@ eglWaitNative(EGLint engine)
_eglLockMutex(&disp->Mutex);
/* let bad current context imply bad current surface */
- if (!_eglIsContextLinked(ctx) || !_eglIsSurfaceLinked(ctx->DrawSurface))
+ if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
+ _eglGetSurfaceHandle(ctx->DrawSurface) == EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_CURRENT_SURFACE, EGL_FALSE);
/* a valid current context implies an initialized current display */
@@ -1437,7 +1441,8 @@ eglSwapBuffersRegionNOK(EGLDisplay dpy, EGLSurface surface,
RETURN_EGL_EVAL(disp, EGL_FALSE);
/* surface must be bound to current context in EGL 1.4 */
- if (!ctx || !_eglIsContextLinked(ctx) || surf != ctx->DrawSurface)
+ if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
+ surf != ctx->DrawSurface)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
ret = drv->API.SwapBuffersRegionNOK(drv, disp, surf, numRects, rects);
diff --git a/src/egl/main/eglcontext.c b/src/egl/main/eglcontext.c
index b4cc7439583..3266a758249 100644
--- a/src/egl/main/eglcontext.c
+++ b/src/egl/main/eglcontext.c
@@ -300,54 +300,65 @@ _eglCheckMakeCurrent(_EGLContext *ctx, _EGLSurface *draw, _EGLSurface *read)
/**
* Bind the context to the current thread and given surfaces. Return the
- * "orphaned" context and surfaces. Each argument is both input and output.
+ * previous bound context and surfaces. The caller should unreference the
+ * returned context and surfaces.
+ *
+ * Making a second call with the resources returned by the first call
+ * unsurprisingly undoes the first call, except for the resouce reference
+ * counts.
*/
EGLBoolean
-_eglBindContext(_EGLContext **ctx, _EGLSurface **draw, _EGLSurface **read)
+_eglBindContext(_EGLContext *ctx, _EGLSurface *draw, _EGLSurface *read,
+ _EGLContext **old_ctx,
+ _EGLSurface **old_draw, _EGLSurface **old_read)
{
_EGLThreadInfo *t = _eglGetCurrentThread();
- _EGLContext *newCtx = *ctx, *oldCtx;
- _EGLSurface *newDraw = *draw, *newRead = *read;
+ _EGLContext *prev_ctx;
+ _EGLSurface *prev_draw, *prev_read;
- if (!_eglCheckMakeCurrent(newCtx, newDraw, newRead))
+ if (!_eglCheckMakeCurrent(ctx, draw, read))
return EGL_FALSE;
+ /* increment refcounts before binding */
+ _eglGetContext(ctx);
+ _eglGetSurface(draw);
+ _eglGetSurface(read);
+
/* bind the new context */
- oldCtx = _eglBindContextToThread(newCtx, t);
+ prev_ctx = _eglBindContextToThread(ctx, t);
- /* break old bindings */
- if (oldCtx) {
- *ctx = oldCtx;
- *draw = oldCtx->DrawSurface;
- *read = oldCtx->ReadSurface;
+ /* break previous bindings */
+ if (prev_ctx) {
+ prev_draw = prev_ctx->DrawSurface;
+ prev_read = prev_ctx->ReadSurface;
- if (*draw)
- (*draw)->CurrentContext = NULL;
- if (*read)
- (*read)->CurrentContext = NULL;
+ if (prev_draw)
+ prev_draw->CurrentContext = NULL;
+ if (prev_read)
+ prev_read->CurrentContext = NULL;
- oldCtx->DrawSurface = NULL;
- oldCtx->ReadSurface = NULL;
+ prev_ctx->DrawSurface = NULL;
+ prev_ctx->ReadSurface = NULL;
+ }
+ else {
+ prev_draw = prev_read = NULL;
}
/* establish new bindings */
- if (newCtx) {
- if (newDraw)
- newDraw->CurrentContext = newCtx;
- if (newRead)
- newRead->CurrentContext = newCtx;
-
- newCtx->DrawSurface = newDraw;
- newCtx->ReadSurface = newRead;
+ if (ctx) {
+ if (draw)
+ draw->CurrentContext = ctx;
+ if (read)
+ read->CurrentContext = ctx;
+
+ ctx->DrawSurface = draw;
+ ctx->ReadSurface = read;
}
- /* an old context or surface is not orphaned if it is still bound */
- if (*ctx == newCtx)
- *ctx = NULL;
- if (*draw == newDraw || *draw == newRead)
- *draw = NULL;
- if (*read == newDraw || *read == newRead)
- *read = NULL;
+ assert(old_ctx && old_draw && old_read);
+ *old_ctx = prev_ctx;
+ *old_draw = prev_draw;
+ *old_read = prev_read;
return EGL_TRUE;
}
diff --git a/src/egl/main/eglcontext.h b/src/egl/main/eglcontext.h
index 9c1e2184c64..8cd0df17313 100644
--- a/src/egl/main/eglcontext.h
+++ b/src/egl/main/eglcontext.h
@@ -39,7 +39,9 @@ _eglQueryContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLint att
PUBLIC EGLBoolean
-_eglBindContext(_EGLContext **ctx, _EGLSurface **draw, _EGLSurface **read);
+_eglBindContext(_EGLContext *ctx, _EGLSurface *draw, _EGLSurface *read,
+ _EGLContext **old_ctx,
+ _EGLSurface **old_draw, _EGLSurface **old_read);
/**
@@ -65,19 +67,6 @@ _eglPutContext(_EGLContext *ctx)
/**
- * Return true if the context is bound to a thread.
- *
- * The binding is considered a reference to the context. Drivers should not
- * destroy a context when it is bound.
- */
-static INLINE EGLBoolean
-_eglIsContextBound(_EGLContext *ctx)
-{
- return (ctx->Binding != NULL);
-}
-
-
-/**
* Link a context to its display and return the handle of the link.
* The handle can be passed to client directly.
*/
@@ -126,18 +115,4 @@ _eglGetContextHandle(_EGLContext *ctx)
}
-/**
- * Return true if the context is linked to a display.
- *
- * The link is considered a reference to the context (the display is owning the
- * context). Drivers should not destroy a context when it is linked.
- */
-static INLINE EGLBoolean
-_eglIsContextLinked(_EGLContext *ctx)
-{
- _EGLResource *res = (_EGLResource *) ctx;
- return (res && _eglIsResourceLinked(res));
-}
-
-
#endif /* EGLCONTEXT_INCLUDED */
diff --git a/src/egl/main/eglimage.h b/src/egl/main/eglimage.h
index bdc325a7f33..adb939a9e02 100644
--- a/src/egl/main/eglimage.h
+++ b/src/egl/main/eglimage.h
@@ -113,15 +113,4 @@ _eglGetImageHandle(_EGLImage *img)
}
-/**
- * Return true if the image is linked to a display.
- */
-static INLINE EGLBoolean
-_eglIsImageLinked(_EGLImage *img)
-{
- _EGLResource *res = (_EGLResource *) img;
- return (res && _eglIsResourceLinked(res));
-}
-
-
#endif /* EGLIMAGE_INCLUDED */
diff --git a/src/egl/main/eglsurface.h b/src/egl/main/eglsurface.h
index b833258bf69..ef01b32ede3 100644
--- a/src/egl/main/eglsurface.h
+++ b/src/egl/main/eglsurface.h
@@ -68,19 +68,6 @@ _eglSwapInterval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint in
/**
- * Return true if there is a context bound to the surface.
- *
- * The binding is considered a reference to the surface. Drivers should not
- * destroy a surface when it is bound.
- */
-static INLINE EGLBoolean
-_eglIsSurfaceBound(_EGLSurface *surf)
-{
- return (surf->CurrentContext != NULL);
-}
-
-
-/**
* Increment reference count for the surface.
*/
static INLINE _EGLSurface *
@@ -151,18 +138,4 @@ _eglGetSurfaceHandle(_EGLSurface *surf)
}
-/**
- * Return true if the surface is linked to a display.
- *
- * The link is considered a reference to the surface (the display is owning the
- * surface). Drivers should not destroy a surface when it is linked.
- */
-static INLINE EGLBoolean
-_eglIsSurfaceLinked(_EGLSurface *surf)
-{
- _EGLResource *res = (_EGLResource *) surf;
- return (res && _eglIsResourceLinked(res));
-}
-
-
#endif /* EGLSURFACE_INCLUDED */
diff --git a/src/egl/main/eglsync.h b/src/egl/main/eglsync.h
index 97ae67cf866..a0025237e7a 100644
--- a/src/egl/main/eglsync.h
+++ b/src/egl/main/eglsync.h
@@ -103,20 +103,6 @@ _eglGetSyncHandle(_EGLSync *sync)
}
-/**
- * Return true if the sync is linked to a display.
- *
- * The link is considered a reference to the sync (the display is owning the
- * sync). Drivers should not destroy a sync when it is linked.
- */
-static INLINE EGLBoolean
-_eglIsSyncLinked(_EGLSync *sync)
-{
- _EGLResource *res = (_EGLResource *) sync;
- return (res && _eglIsResourceLinked(res));
-}
-
-
#endif /* EGL_KHR_reusable_sync */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 04:34:16 +0000