Move all the EGL API function pointers into a new _egl_api struct.

6 files changed, 186 insertions, 170 deletions

diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 87160c7..a31b252 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -32,7 +32,6 @@
 
 #include <stdio.h>
 #include <string.h>
-/**#include "glapi.h"**/
 #include "eglcontext.h"
 #include "egldisplay.h"
 #include "egltypedefs.h"
@@ -66,7 +65,7 @@ eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
    if (dpy) {
       _EGLDriver *drv = _eglChooseDriver(dpy);
       if (drv)
-         return drv->Initialize(drv, dpy, major, minor);
+         return drv->API.Initialize(drv, dpy, major, minor);
    }
    return EGL_FALSE;
 }
@@ -88,7 +87,7 @@ eglQueryString(EGLDisplay dpy, EGLint name)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
    if (drv)
-      return drv->QueryString(drv, dpy, name);
+      return drv->API.QueryString(drv, dpy, name);
    else
       return NULL;
 }
@@ -99,7 +98,7 @@ eglGetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *nu
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
    /* XXX check drv for null in remaining functions */
-   return drv->GetConfigs(drv, dpy, configs, config_size, num_config);
+   return drv->API.GetConfigs(drv, dpy, configs, config_size, num_config);
 }
 
 
@@ -107,7 +106,7 @@ EGLBoolean APIENTRY
 eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->ChooseConfig(drv, dpy, attrib_list, configs, config_size, num_config);
+   return drv->API.ChooseConfig(drv, dpy, attrib_list, configs, config_size, num_config);
 }
 
 
@@ -115,7 +114,7 @@ EGLBoolean APIENTRY
 eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->GetConfigAttrib(drv, dpy, config, attribute, value);
+   return drv->API.GetConfigAttrib(drv, dpy, config, attribute, value);
 }
 
 
@@ -123,7 +122,7 @@ EGLContext APIENTRY
 eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->CreateContext(drv, dpy, config, share_list, attrib_list);
+   return drv->API.CreateContext(drv, dpy, config, share_list, attrib_list);
 }
 
 
@@ -131,7 +130,7 @@ EGLBoolean APIENTRY
 eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->DestroyContext(drv, dpy, ctx);
+   return drv->API.DestroyContext(drv, dpy, ctx);
 }
 
 
@@ -139,7 +138,7 @@ EGLBoolean APIENTRY
 eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->MakeCurrent(drv, dpy, draw, read, ctx);
+   return drv->API.MakeCurrent(drv, dpy, draw, read, ctx);
 }
 
 
@@ -147,7 +146,7 @@ EGLBoolean APIENTRY
 eglQueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->QueryContext(drv, dpy, ctx, attribute, value);
+   return drv->API.QueryContext(drv, dpy, ctx, attribute, value);
 }
 
 
@@ -155,7 +154,7 @@ EGLSurface APIENTRY
 eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->CreateWindowSurface(drv, dpy, config, window, attrib_list);
+   return drv->API.CreateWindowSurface(drv, dpy, config, window, attrib_list);
 }
 
 
@@ -163,7 +162,7 @@ EGLSurface APIENTRY
 eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->CreatePixmapSurface(drv, dpy, config, pixmap, attrib_list);
+   return drv->API.CreatePixmapSurface(drv, dpy, config, pixmap, attrib_list);
 }
 
 
@@ -171,7 +170,7 @@ EGLSurface APIENTRY
 eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->CreatePbufferSurface(drv, dpy, config, attrib_list);
+   return drv->API.CreatePbufferSurface(drv, dpy, config, attrib_list);
 }
 
 
@@ -179,7 +178,7 @@ EGLBoolean APIENTRY
 eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->DestroySurface(drv, dpy, surface);
+   return drv->API.DestroySurface(drv, dpy, surface);
 }
 
 
@@ -187,7 +186,7 @@ EGLBoolean APIENTRY
 eglQuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->QuerySurface(drv, dpy, surface, attribute, value);
+   return drv->API.QuerySurface(drv, dpy, surface, attribute, value);
 }
 
 
@@ -195,7 +194,7 @@ EGLBoolean APIENTRY
 eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->SurfaceAttrib(drv, dpy, surface, attribute, value);
+   return drv->API.SurfaceAttrib(drv, dpy, surface, attribute, value);
 }
 
 
@@ -203,7 +202,7 @@ EGLBoolean APIENTRY
 eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->BindTexImage(drv, dpy, surface, buffer);
+   return drv->API.BindTexImage(drv, dpy, surface, buffer);
 }
 
 
@@ -211,7 +210,7 @@ EGLBoolean APIENTRY
 eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->ReleaseTexImage(drv, dpy, surface, buffer);
+   return drv->API.ReleaseTexImage(drv, dpy, surface, buffer);
 }
 
 
@@ -219,7 +218,7 @@ EGLBoolean APIENTRY
 eglSwapInterval(EGLDisplay dpy, EGLint interval)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->SwapInterval(drv, dpy, interval);
+   return drv->API.SwapInterval(drv, dpy, interval);
 }
 
 
@@ -227,7 +226,7 @@ EGLBoolean APIENTRY
 eglSwapBuffers(EGLDisplay dpy, EGLSurface draw)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->SwapBuffers(drv, dpy, draw);
+   return drv->API.SwapBuffers(drv, dpy, draw);
 }
 
 
@@ -235,7 +234,7 @@ EGLBoolean APIENTRY
 eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, NativePixmapType target)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->CopyBuffers(drv, dpy, surface, target);
+   return drv->API.CopyBuffers(drv, dpy, surface, target);
 }
 
 
@@ -245,7 +244,7 @@ eglWaitGL(void)
    EGLDisplay dpy = eglGetCurrentDisplay();
    if (dpy != EGL_NO_DISPLAY) {
       _EGLDriver *drv = _eglLookupDriver(dpy);
-      return drv->WaitGL(drv, dpy);
+      return drv->API.WaitGL(drv, dpy);
    }
    else
       return EGL_FALSE;
@@ -258,7 +257,7 @@ eglWaitNative(EGLint engine)
    EGLDisplay dpy = eglGetCurrentDisplay();
    if (dpy != EGL_NO_DISPLAY) {
       _EGLDriver *drv = _eglLookupDriver(dpy);
-      return drv->WaitNative(drv, dpy, engine);
+      return drv->API.WaitNative(drv, dpy, engine);
    }
    else
       return EGL_FALSE;
@@ -386,7 +385,7 @@ eglChooseModeMESA(EGLDisplay dpy, EGLScreenMESA screen,
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
    if (drv)
-      return drv->ChooseModeMESA(drv, dpy, screen, attrib_list, modes, modes_size, num_modes);
+      return drv->API.ChooseModeMESA(drv, dpy, screen, attrib_list, modes, modes_size, num_modes);
    else
       return EGL_FALSE;
 }
@@ -397,7 +396,7 @@ eglGetModesMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *modes, EGLint
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
    if (drv)
-      return drv->GetModesMESA(drv, dpy, screen, modes, mode_size, num_mode);
+      return drv->API.GetModesMESA(drv, dpy, screen, modes, mode_size, num_mode);
    else
       return EGL_FALSE;
 }
@@ -408,7 +407,7 @@ eglGetModeAttribMESA(EGLDisplay dpy, EGLModeMESA mode, EGLint attribute, EGLint
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
    if (drv)
-      return drv->GetModeAttribMESA(drv, dpy, mode, attribute, value);
+      return drv->API.GetModeAttribMESA(drv, dpy, mode, attribute, value);
    else
       return EGL_FALSE;
 }
@@ -419,7 +418,7 @@ eglCopyContextMESA(EGLDisplay dpy, EGLContext source, EGLContext dest, EGLint ma
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
    if (drv)
-      return drv->CopyContextMESA(drv, dpy, source, dest, mask);
+      return drv->API.CopyContextMESA(drv, dpy, source, dest, mask);
    else
       return EGL_FALSE;
 }
@@ -430,7 +429,7 @@ eglGetScreensMESA(EGLDisplay dpy, EGLScreenMESA *screens, EGLint max_screens, EG
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
    if (drv)
-      return drv->GetScreensMESA(drv, dpy, screens, max_screens, num_screens);
+      return drv->API.GetScreensMESA(drv, dpy, screens, max_screens, num_screens);
    else
       return EGL_FALSE;
 }
@@ -440,7 +439,7 @@ EGLSurface
 eglCreateScreenSurfaceMESA(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->CreateScreenSurfaceMESA(drv, dpy, config, attrib_list);
+   return drv->API.CreateScreenSurfaceMESA(drv, dpy, config, attrib_list);
 }
 
 
@@ -448,7 +447,7 @@ EGLBoolean
 eglShowSurfaceMESA(EGLDisplay dpy, EGLint screen, EGLSurface surface, EGLModeMESA mode)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->ShowSurfaceMESA(drv, dpy, screen, surface, mode);
+   return drv->API.ShowSurfaceMESA(drv, dpy, screen, surface, mode);
 }
 
 
@@ -456,7 +455,7 @@ EGLBoolean
 eglScreenPositionMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLint x, EGLint y)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->ScreenPositionMESA(drv, dpy, screen, x, y);
+   return drv->API.ScreenPositionMESA(drv, dpy, screen, x, y);
 }
 
 
@@ -464,7 +463,7 @@ EGLBoolean
 eglQueryScreenMESA( EGLDisplay dpy, EGLScreenMESA screen, EGLint attribute, EGLint *value)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->QueryScreenMESA(drv, dpy, screen, attribute, value);
+   return drv->API.QueryScreenMESA(drv, dpy, screen, attribute, value);
 }
 
 
@@ -472,7 +471,7 @@ EGLBoolean
 eglQueryScreenSurfaceMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLSurface *surface)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->QueryScreenSurfaceMESA(drv, dpy, screen, surface);
+   return drv->API.QueryScreenSurfaceMESA(drv, dpy, screen, surface);
 }
 
 
@@ -480,7 +479,7 @@ EGLBoolean
 eglQueryScreenModeMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *mode)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->QueryScreenModeMESA(drv, dpy, screen, mode);
+   return drv->API.QueryScreenModeMESA(drv, dpy, screen, mode);
 }
 
 
@@ -488,7 +487,7 @@ const char *
 eglQueryModeStringMESA(EGLDisplay dpy, EGLModeMESA mode)
 {
    _EGLDriver *drv = _eglLookupDriver(dpy);
-   return drv->QueryModeStringMESA(drv, dpy, mode);
+   return drv->API.QueryModeStringMESA(drv, dpy, mode);
 }
 
 
diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h
new file mode 100644
index 0000000..dad653a
--- /dev/null
+++ b/src/egl/main/eglapi.h
@@ -0,0 +1,106 @@
+#ifndef EGLAPI_INCLUDED
+#define EGLAPI_INCLUDED
+
+/**
+ * Typedefs for all EGL API entrypoint functions.
+ */
+
+
+/* driver funcs */
+typedef EGLBoolean (*Initialize_t)(_EGLDriver *, EGLDisplay dpy, EGLint *major, EGLint *minor);
+typedef EGLBoolean (*Terminate_t)(_EGLDriver *, EGLDisplay dpy);
+
+/* config funcs */
+typedef EGLBoolean (*GetConfigs_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
+typedef EGLBoolean (*ChooseConfig_t)(_EGLDriver *drv, EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
+typedef EGLBoolean (*GetConfigAttrib_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value);
+
+/* context funcs */
+typedef EGLContext (*CreateContext_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list);
+typedef EGLBoolean (*DestroyContext_t)(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx);
+typedef EGLBoolean (*MakeCurrent_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
+typedef EGLBoolean (*QueryContext_t)(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value);
+
+/* surface funcs */
+typedef EGLSurface (*CreateWindowSurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list);
+typedef EGLSurface (*CreatePixmapSurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list);
+typedef EGLSurface (*CreatePbufferSurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
+typedef EGLBoolean (*DestroySurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface);
+typedef EGLBoolean (*QuerySurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);
+typedef EGLBoolean (*SurfaceAttrib_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
+typedef EGLBoolean (*BindTexImage_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+typedef EGLBoolean (*ReleaseTexImage_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+typedef EGLBoolean (*SwapInterval_t)(_EGLDriver *drv, EGLDisplay dpy, EGLint interval);
+typedef EGLBoolean (*SwapBuffers_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw);
+typedef EGLBoolean (*CopyBuffers_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, NativePixmapType target);
+
+/* misc funcs */
+typedef const char *(*QueryString_t)(_EGLDriver *drv, EGLDisplay dpy, EGLint name);
+typedef EGLBoolean (*WaitGL_t)(_EGLDriver *drv, EGLDisplay dpy);
+typedef EGLBoolean (*WaitNative_t)(_EGLDriver *drv, EGLDisplay dpy, EGLint engine);
+
+
+/* EGL_MESA_screen extension */
+typedef EGLBoolean (*ChooseModeMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, const EGLint *attrib_list, EGLModeMESA *modes, EGLint modes_size, EGLint *num_modes);
+typedef EGLBoolean (*GetModesMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *modes, EGLint mode_size, EGLint *num_mode);
+typedef EGLBoolean (*GetModeAttribMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLModeMESA mode, EGLint attribute, EGLint *value);
+typedef EGLBoolean (*CopyContextMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLContext source, EGLContext dest, EGLint mask);
+typedef EGLBoolean (*GetScreensMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
+typedef EGLSurface (*CreateScreenSurfaceMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
+typedef EGLBoolean (*ShowSurfaceMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLSurface surface, EGLModeMESA mode);
+typedef EGLBoolean (*ScreenPositionMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLint x, EGLint y);
+typedef EGLBoolean (*QueryScreenMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLint attribute, EGLint *value);
+typedef EGLBoolean (*QueryScreenSurfaceMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLSurface *surface);
+typedef EGLBoolean (*QueryScreenModeMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *mode);
+typedef const char * (*QueryModeStringMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLModeMESA mode);
+
+
+/**
+ * The API dispatcher jumps through these functions
+ */
+struct _egl_api
+{
+   Initialize_t Initialize;
+   Terminate_t Terminate;
+
+   GetConfigs_t GetConfigs;
+   ChooseConfig_t ChooseConfig;
+   GetConfigAttrib_t GetConfigAttrib;
+
+   CreateContext_t CreateContext;
+   DestroyContext_t DestroyContext;
+   MakeCurrent_t MakeCurrent;
+   QueryContext_t QueryContext;
+
+   CreateWindowSurface_t CreateWindowSurface;
+   CreatePixmapSurface_t CreatePixmapSurface;
+   CreatePbufferSurface_t CreatePbufferSurface;
+   DestroySurface_t DestroySurface;
+   QuerySurface_t QuerySurface;
+   SurfaceAttrib_t SurfaceAttrib;
+   BindTexImage_t BindTexImage;
+   ReleaseTexImage_t ReleaseTexImage;
+   SwapInterval_t SwapInterval;
+   SwapBuffers_t SwapBuffers;
+   CopyBuffers_t CopyBuffers;
+
+   QueryString_t QueryString;
+   WaitGL_t WaitGL;
+   WaitNative_t WaitNative;
+
+   /* EGL_MESA_screen extension */
+   ChooseModeMESA_t ChooseModeMESA;
+   GetModesMESA_t GetModesMESA;
+   GetModeAttribMESA_t GetModeAttribMESA;
+   CopyContextMESA_t CopyContextMESA;
+   GetScreensMESA_t GetScreensMESA;
+   CreateScreenSurfaceMESA_t CreateScreenSurfaceMESA;
+   ShowSurfaceMESA_t ShowSurfaceMESA;
+   ScreenPositionMESA_t ScreenPositionMESA;
+   QueryScreenMESA_t QueryScreenMESA;
+   QueryScreenSurfaceMESA_t QueryScreenSurfaceMESA;
+   QueryScreenModeMESA_t QueryScreenModeMESA;
+   QueryModeStringMESA_t QueryModeStringMESA;
+};
+
+#endif /* EGLAPI_INCLUDED */
diff --git a/src/egl/main/eglcontext.c b/src/egl/main/eglcontext.c
index 283dd3f..42edd1f 100644
--- a/src/egl/main/eglcontext.c
+++ b/src/egl/main/eglcontext.c
@@ -181,7 +181,7 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, EGLSurface r, EGL
             draw = NULL;
          }
          /* really delete surface now */
-         drv->DestroySurface(drv, dpy, oldDrawSurface->Handle);
+         drv->API.DestroySurface(drv, dpy, oldDrawSurface->Handle);
       }
    }
    if (oldReadSurface != NULL && oldReadSurface != oldDrawSurface) {
@@ -192,7 +192,7 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, EGLSurface r, EGL
             read = NULL;
          }
          /* really delete surface now */
-         drv->DestroySurface(drv, dpy, oldReadSurface->Handle);
+         drv->API.DestroySurface(drv, dpy, oldReadSurface->Handle);
       }
    }
    if (oldContext != NULL) {
@@ -203,7 +203,7 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, EGLSurface r, EGL
             ctx = NULL;
          }
          /* really delete context now */
-         drv->DestroyContext(drv, dpy, oldContext->Handle);
+         drv->API.DestroyContext(drv, dpy, oldContext->Handle);
       }
    }
 
diff --git a/src/egl/main/egldriver.c b/src/egl/main/egldriver.c
index 4602f86..e2cc069 100644
--- a/src/egl/main/egldriver.c
+++ b/src/egl/main/egldriver.c
@@ -123,7 +123,7 @@ _eglCloseDriver(_EGLDriver *drv, EGLDisplay dpy)
     * XXX check for currently bound context/surfaces and delete them?
     */
 
-   b = drv->Terminate(drv, dpy);
+   b = drv->API.Terminate(drv, dpy);
    dlclose(handle);
    return b;
 }
@@ -153,46 +153,46 @@ _eglInitDriverFallbacks(_EGLDriver *drv)
    /* If a pointer is set to NULL, then the device driver _really_ has
     * to implement it.
     */
-   drv->Initialize = NULL;
-   drv->Terminate = NULL;
-
-   drv->GetConfigs = _eglGetConfigs;
-   drv->ChooseConfig = _eglChooseConfig;
-   drv->GetConfigAttrib = _eglGetConfigAttrib;
-
-   drv->CreateContext = _eglCreateContext;
-   drv->DestroyContext = _eglDestroyContext;
-   drv->MakeCurrent = _eglMakeCurrent;
-   drv->QueryContext = _eglQueryContext;
-
-   drv->CreateWindowSurface = _eglCreateWindowSurface;
-   drv->CreatePixmapSurface = _eglCreatePixmapSurface;
-   drv->CreatePbufferSurface = _eglCreatePbufferSurface;
-   drv->DestroySurface = _eglDestroySurface;
-   drv->QuerySurface = _eglQuerySurface;
-   drv->SurfaceAttrib = _eglSurfaceAttrib;
-   drv->BindTexImage = _eglBindTexImage;
-   drv->ReleaseTexImage = _eglReleaseTexImage;
-   drv->SwapInterval = _eglSwapInterval;
-   drv->SwapBuffers = _eglSwapBuffers;
-   drv->CopyBuffers = _eglCopyBuffers;
-
-   drv->QueryString = _eglQueryString;
-   drv->WaitGL = _eglWaitGL;
-   drv->WaitNative = _eglWaitNative;
+   drv->API.Initialize = NULL;
+   drv->API.Terminate = NULL;
+
+   drv->API.GetConfigs = _eglGetConfigs;
+   drv->API.ChooseConfig = _eglChooseConfig;
+   drv->API.GetConfigAttrib = _eglGetConfigAttrib;
+
+   drv->API.CreateContext = _eglCreateContext;
+   drv->API.DestroyContext = _eglDestroyContext;
+   drv->API.MakeCurrent = _eglMakeCurrent;
+   drv->API.QueryContext = _eglQueryContext;
+
+   drv->API.CreateWindowSurface = _eglCreateWindowSurface;
+   drv->API.CreatePixmapSurface = _eglCreatePixmapSurface;
+   drv->API.CreatePbufferSurface = _eglCreatePbufferSurface;
+   drv->API.DestroySurface = _eglDestroySurface;
+   drv->API.QuerySurface = _eglQuerySurface;
+   drv->API.SurfaceAttrib = _eglSurfaceAttrib;
+   drv->API.BindTexImage = _eglBindTexImage;
+   drv->API.ReleaseTexImage = _eglReleaseTexImage;
+   drv->API.SwapInterval = _eglSwapInterval;
+   drv->API.SwapBuffers = _eglSwapBuffers;
+   drv->API.CopyBuffers = _eglCopyBuffers;
+
+   drv->API.QueryString = _eglQueryString;
+   drv->API.WaitGL = _eglWaitGL;
+   drv->API.WaitNative = _eglWaitNative;
 
    /* EGL_MESA_screen */
-   drv->ChooseModeMESA = _eglChooseModeMESA; 
-   drv->GetModesMESA = _eglGetModesMESA;
-   drv->GetModeAttribMESA = _eglGetModeAttribMESA;
-   drv->GetScreensMESA = _eglGetScreensMESA;
-   drv->CreateScreenSurfaceMESA = _eglCreateScreenSurfaceMESA;
-   drv->ShowSurfaceMESA = _eglShowSurfaceMESA;
-   drv->ScreenPositionMESA = _eglScreenPositionMESA;
-   drv->QueryScreenMESA = _eglQueryScreenMESA;
-   drv->QueryScreenSurfaceMESA = _eglQueryScreenSurfaceMESA;
-   drv->QueryScreenModeMESA = _eglQueryScreenModeMESA;
-   drv->QueryModeStringMESA = _eglQueryModeStringMESA;
+   drv->API.ChooseModeMESA = _eglChooseModeMESA; 
+   drv->API.GetModesMESA = _eglGetModesMESA;
+   drv->API.GetModeAttribMESA = _eglGetModeAttribMESA;
+   drv->API.GetScreensMESA = _eglGetScreensMESA;
+   drv->API.CreateScreenSurfaceMESA = _eglCreateScreenSurfaceMESA;
+   drv->API.ShowSurfaceMESA = _eglShowSurfaceMESA;
+   drv->API.ScreenPositionMESA = _eglScreenPositionMESA;
+   drv->API.QueryScreenMESA = _eglQueryScreenMESA;
+   drv->API.QueryScreenSurfaceMESA = _eglQueryScreenSurfaceMESA;
+   drv->API.QueryScreenModeMESA = _eglQueryScreenModeMESA;
+   drv->API.QueryModeStringMESA = _eglQueryModeStringMESA;
 }
 
 
diff --git a/src/egl/main/egldriver.h b/src/egl/main/egldriver.h
index 7ab62f1..6d2d707 100644
--- a/src/egl/main/egldriver.h
+++ b/src/egl/main/egldriver.h
@@ -3,60 +3,12 @@
 
 
 #include "egltypedefs.h"
+#include "eglapi.h"
 
 /* should probably use a dynamic-lengh string, but this will do */
 #define MAX_EXTENSIONS_LEN 1000
 
 
-/* driver funcs */
-typedef EGLBoolean (*Initialize_t)(_EGLDriver *, EGLDisplay dpy, EGLint *major, EGLint *minor);
-typedef EGLBoolean (*Terminate_t)(_EGLDriver *, EGLDisplay dpy);
-
-/* config funcs */
-typedef EGLBoolean (*GetConfigs_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
-typedef EGLBoolean (*ChooseConfig_t)(_EGLDriver *drv, EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
-typedef EGLBoolean (*GetConfigAttrib_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value);
-
-/* context funcs */
-typedef EGLContext (*CreateContext_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list);
-typedef EGLBoolean (*DestroyContext_t)(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx);
-typedef EGLBoolean (*MakeCurrent_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
-typedef EGLBoolean (*QueryContext_t)(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value);
-
-/* surface funcs */
-typedef EGLSurface (*CreateWindowSurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list);
-typedef EGLSurface (*CreatePixmapSurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list);
-typedef EGLSurface (*CreatePbufferSurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
-typedef EGLBoolean (*DestroySurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface);
-typedef EGLBoolean (*QuerySurface_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);
-typedef EGLBoolean (*SurfaceAttrib_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
-typedef EGLBoolean (*BindTexImage_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint buffer);
-typedef EGLBoolean (*ReleaseTexImage_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint buffer);
-typedef EGLBoolean (*SwapInterval_t)(_EGLDriver *drv, EGLDisplay dpy, EGLint interval);
-typedef EGLBoolean (*SwapBuffers_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw);
-typedef EGLBoolean (*CopyBuffers_t)(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, NativePixmapType target);
-
-/* misc funcs */
-typedef const char *(*QueryString_t)(_EGLDriver *drv, EGLDisplay dpy, EGLint name);
-typedef EGLBoolean (*WaitGL_t)(_EGLDriver *drv, EGLDisplay dpy);
-typedef EGLBoolean (*WaitNative_t)(_EGLDriver *drv, EGLDisplay dpy, EGLint engine);
-
-
-/* EGL_MESA_screen extension */
-typedef EGLBoolean (*ChooseModeMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, const EGLint *attrib_list, EGLModeMESA *modes, EGLint modes_size, EGLint *num_modes);
-typedef EGLBoolean (*GetModesMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *modes, EGLint mode_size, EGLint *num_mode);
-typedef EGLBoolean (*GetModeAttribMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLModeMESA mode, EGLint attribute, EGLint *value);
-typedef EGLBoolean (*CopyContextMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLContext source, EGLContext dest, EGLint mask);
-typedef EGLBoolean (*GetScreensMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
-typedef EGLSurface (*CreateScreenSurfaceMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
-typedef EGLBoolean (*ShowSurfaceMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLSurface surface, EGLModeMESA mode);
-typedef EGLBoolean (*ScreenPositionMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLint x, EGLint y);
-typedef EGLBoolean (*QueryScreenMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLint attribute, EGLint *value);
-typedef EGLBoolean (*QueryScreenSurfaceMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLSurface *surface);
-typedef EGLBoolean (*QueryScreenModeMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *mode);
-typedef const char * (*QueryModeStringMESA_t)(_EGLDriver *drv, EGLDisplay dpy, EGLModeMESA mode);
-
-
 /**
  * Base class for device drivers.
  */
@@ -71,50 +23,7 @@ struct _egl_driver
    int ABIversion;
    int APImajor, APIminor; /* returned through eglInitialize */
 
-   /*
-    * The API dispatcher jumps through these functions
-    */
-   Initialize_t Initialize;
-   Terminate_t Terminate;
-
-   GetConfigs_t GetConfigs;
-   ChooseConfig_t ChooseConfig;
-   GetConfigAttrib_t GetConfigAttrib;
-
-   CreateContext_t CreateContext;
-   DestroyContext_t DestroyContext;
-   MakeCurrent_t MakeCurrent;
-   QueryContext_t QueryContext;
-
-   CreateWindowSurface_t CreateWindowSurface;
-   CreatePixmapSurface_t CreatePixmapSurface;
-   CreatePbufferSurface_t CreatePbufferSurface;
-   DestroySurface_t DestroySurface;
-   QuerySurface_t QuerySurface;
-   SurfaceAttrib_t SurfaceAttrib;
-   BindTexImage_t BindTexImage;
-   ReleaseTexImage_t ReleaseTexImage;
-   SwapInterval_t SwapInterval;
-   SwapBuffers_t SwapBuffers;
-   CopyBuffers_t CopyBuffers;
-
-   QueryString_t QueryString;
-   WaitGL_t WaitGL;
-   WaitNative_t WaitNative;
-
-   /* EGL_MESA_screen extension */
-   ChooseModeMESA_t ChooseModeMESA;
-   GetModesMESA_t GetModesMESA;
-   GetModeAttribMESA_t GetModeAttribMESA;
-   CopyContextMESA_t CopyContextMESA;
-   GetScreensMESA_t GetScreensMESA;
-   CreateScreenSurfaceMESA_t CreateScreenSurfaceMESA;
-   ShowSurfaceMESA_t ShowSurfaceMESA;
-   ScreenPositionMESA_t ScreenPositionMESA;
-   QueryScreenMESA_t QueryScreenMESA;
-   QueryScreenSurfaceMESA_t QueryScreenSurfaceMESA;
-   QueryScreenModeMESA_t QueryScreenModeMESA;
-   QueryModeStringMESA_t QueryModeStringMESA;
+   _EGLAPI API;
 
    /* Extension enable flags */
    EGLBoolean MESA_screen_surface;
diff --git a/src/egl/main/egltypedefs.h b/src/egl/main/egltypedefs.h
index a66fbed..0a5ab7a 100644
--- a/src/egl/main/egltypedefs.h
+++ b/src/egl/main/egltypedefs.h
@@ -5,6 +5,8 @@
 #include <GLES/egl.h>
 
 
+typedef struct _egl_api _EGLAPI;
+
 typedef struct _egl_config _EGLConfig;
 
 typedef struct _egl_context _EGLContext;