egl: Allow binding to any client API.

As a result, EGL_NONE is no longer a valid client API.  And it is
possible that no config supports the current bound API.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>

1 files changed, 15 insertions, 8 deletions

diff --git a/src/egl/main/eglcurrent.h b/src/egl/main/eglcurrent.h
index 8eb241029e..9503e0aba0 100644
--- a/src/egl/main/eglcurrent.h
+++ b/src/egl/main/eglcurrent.h
@@ -4,8 +4,16 @@
 #include "egltypedefs.h"
 
 
-#define _EGL_API_NUM_INDICES \
-   (EGL_OPENGL_API - EGL_OPENGL_ES_API + 2) /* idx 0 is for EGL_NONE */
+#define _EGL_API_ALL_BITS \
+   (EGL_OPENGL_ES_BIT   | \
+    EGL_OPENVG_BIT      | \
+    EGL_OPENGL_ES2_BIT  | \
+    EGL_OPENGL_BIT)
+
+
+#define _EGL_API_FIRST_API EGL_OPENGL_ES_API
+#define _EGL_API_LAST_API EGL_OPENGL_API
+#define _EGL_API_NUM_APIS (_EGL_API_LAST_API - _EGL_API_FIRST_API + 1)
 
 
 /**
@@ -14,20 +22,19 @@
 struct _egl_thread_info
 {
    EGLint LastError;
-   _EGLContext *CurrentContexts[_EGL_API_NUM_INDICES];
+   _EGLContext *CurrentContexts[_EGL_API_NUM_APIS];
    /* use index for fast access to current context */
    EGLint CurrentAPIIndex;
 };
 
 
 /**
- * Return true if a client API enum can be converted to an index.
+ * Return true if a client API enum is recognized.
  */
 static INLINE EGLBoolean
 _eglIsApiValid(EGLenum api)
 {
-   return ((api >= EGL_OPENGL_ES_API && api <= EGL_OPENGL_API) ||
-           api == EGL_NONE);
+   return (api >= _EGL_API_FIRST_API && api <= _EGL_API_LAST_API);
 }
 
 
@@ -38,7 +45,7 @@ _eglIsApiValid(EGLenum api)
 static INLINE EGLint
 _eglConvertApiToIndex(EGLenum api)
 {
-   return (api != EGL_NONE) ? api - EGL_OPENGL_ES_API + 1 : 0;
+   return api - _EGL_API_FIRST_API;
 }
 
 
@@ -49,7 +56,7 @@ _eglConvertApiToIndex(EGLenum api)
 static INLINE EGLenum
 _eglConvertApiFromIndex(EGLint idx)
 {
-   return (idx) ? EGL_OPENGL_ES_API + idx - 1 : EGL_NONE;
+   return _EGL_API_FIRST_API + idx;
 }