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authorChia-I Wu <olvaffe@gmail.com>2009-07-17 11:42:04 -0600
committerBrian Paul <brianp@vmware.com>2009-07-17 11:42:04 -0600
commit21b635ffa8b59049a95d50d4c7b7a8ff6413b730 (patch)
tree935d88e82af2736f846c3e738e42b77400edcb8b /src/egl
parent75da80b29556e6dbbba21e5297ca440e475f65cb (diff)
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egl: Extend per-thread info for multiple current contexts.
EGL allows multiple current contexts, as long as they are bound to different client APIs. Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Diffstat (limited to 'src/egl')
-rw-r--r--src/egl/main/eglapi.c11
-rw-r--r--src/egl/main/eglcontext.c40
2 files changed, 41 insertions, 10 deletions
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 8f4a489..332b98a 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -550,11 +550,14 @@ eglBindAPI(EGLenum api)
if (_eglIsCurrentThreadDummy())
return _eglError(EGL_BAD_ALLOC, "eglBindAPI");
+ if (!_eglIsApiValid(api))
+ return _eglError(EGL_BAD_PARAMETER, "eglBindAPI");
+
switch (api) {
#ifdef EGL_VERSION_1_4
case EGL_OPENGL_API:
if (_eglGlobal.ClientAPIsMask & EGL_OPENGL_BIT) {
- t->CurrentAPI = api;
+ t->CurrentAPIIndex = _eglConvertApiToIndex(api);
return EGL_TRUE;
}
_eglError(EGL_BAD_PARAMETER, "eglBindAPI");
@@ -562,14 +565,14 @@ eglBindAPI(EGLenum api)
#endif
case EGL_OPENGL_ES_API:
if (_eglGlobal.ClientAPIsMask & (EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT)) {
- t->CurrentAPI = api;
+ t->CurrentAPIIndex = _eglConvertApiToIndex(api);
return EGL_TRUE;
}
_eglError(EGL_BAD_PARAMETER, "eglBindAPI");
return EGL_FALSE;
case EGL_OPENVG_API:
if (_eglGlobal.ClientAPIsMask & EGL_OPENVG_BIT) {
- t->CurrentAPI = api;
+ t->CurrentAPIIndex = _eglConvertApiToIndex(api);
return EGL_TRUE;
}
_eglError(EGL_BAD_PARAMETER, "eglBindAPI");
@@ -589,7 +592,7 @@ eglQueryAPI(void)
{
/* returns one of EGL_OPENGL_API, EGL_OPENGL_ES_API or EGL_OPENVG_API */
_EGLThreadInfo *t = _eglGetCurrentThread();
- return t->CurrentAPI;
+ return _eglConvertApiFromIndex(t->CurrentAPIIndex);
}
diff --git a/src/egl/main/eglcontext.c b/src/egl/main/eglcontext.c
index 5e24b02..81e69e9 100644
--- a/src/egl/main/eglcontext.c
+++ b/src/egl/main/eglcontext.c
@@ -203,10 +203,10 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
_EGLContext *ctx = _eglLookupContext(context);
_EGLSurface *draw = _eglLookupSurface(d);
_EGLSurface *read = _eglLookupSurface(r);
-
- _EGLContext *oldContext = _eglGetCurrentContext();
- _EGLSurface *oldDrawSurface = _eglGetCurrentSurface(EGL_DRAW);
- _EGLSurface *oldReadSurface = _eglGetCurrentSurface(EGL_READ);
+ _EGLContext *oldContext = NULL;
+ _EGLSurface *oldDrawSurface = NULL;
+ _EGLSurface *oldReadSurface = NULL;
+ EGLint apiIndex;
if (_eglIsCurrentThreadDummy())
return _eglError(EGL_BAD_ALLOC, "eglMakeCurrent");
@@ -225,6 +225,32 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
_eglError(EGL_BAD_MATCH, "eglMakeCurrent");
return EGL_FALSE;
}
+
+#ifdef EGL_VERSION_1_4
+ /* OpenGL and OpenGL ES are conflicting */
+ switch (ctx->ClientAPI) {
+ case EGL_OPENGL_ES_API:
+ if (t->CurrentContexts[_eglConvertApiToIndex(EGL_OPENGL_API)])
+ return _eglError(EGL_BAD_ACCESS, "eglMakeCurrent");
+ break;
+ case EGL_OPENGL_API:
+ if (t->CurrentContexts[_eglConvertApiToIndex(EGL_OPENGL_ES_API)])
+ return _eglError(EGL_BAD_ACCESS, "eglMakeCurrent");
+ break;
+ default:
+ break;
+ }
+#endif
+ apiIndex = _eglConvertApiToIndex(ctx->ClientAPI);
+ }
+ else {
+ apiIndex = t->CurrentAPIIndex;
+ }
+
+ oldContext = t->CurrentContexts[apiIndex];
+ if (oldContext) {
+ oldDrawSurface = oldContext->DrawSurface;
+ oldReadSurface = oldContext->ReadSurface;
}
/*
@@ -275,9 +301,11 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
ctx->IsBound = EGL_TRUE;
draw->IsBound = EGL_TRUE;
read->IsBound = EGL_TRUE;
+ t->CurrentContexts[apiIndex] = ctx;
+ }
+ else {
+ t->CurrentContexts[apiIndex] = NULL;
}
-
- t->CurrentContext = ctx;
return EGL_TRUE;
}