st/egl: Factor driver callbacks to a new file.

Factor all callbacks other than Initialize, Terminate, and GetProcAddress
to egl_g3d_api.c.

1 files changed, 7 insertions, 697 deletions

diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.c b/src/gallium/state_trackers/egl/common/egl_g3d.c
index e4f858d179..34c52e6046 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d.c
@@ -23,62 +23,19 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
-#include <assert.h>
 #include <stdio.h>
-#include <string.h>
-#include "pipe/p_screen.h"
-#include "util/u_memory.h"
-#include "util/u_rect.h"
-#include "util/u_inlines.h"
-#include "util/u_format.h"
 #include "egldriver.h"
 #include "eglcurrent.h"
 #include "egllog.h"
 
-#include "native.h"
+#include "pipe/p_screen.h"
+#include "util/u_memory.h"
+#include "util/u_format.h"
+
 #include "egl_g3d.h"
+#include "egl_g3d_api.h"
 #include "egl_g3d_st.h"
-#include "egl_g3d_image.h"
-
-/**
- * Return the state tracker for the given context.
- */
-static struct st_api *
-egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx)
-{
-   struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
-   struct st_api *stapi;
-   EGLint idx = -1;
-
-   switch (ctx->ClientAPI) {
-   case EGL_OPENGL_ES_API:
-      switch (ctx->ClientVersion) {
-      case 1:
-         idx = ST_API_OPENGL_ES1;
-         break;
-      case 2:
-         idx = ST_API_OPENGL_ES2;
-         break;
-      default:
-         _eglLog(_EGL_WARNING, "unknown client version %d",
-               ctx->ClientVersion);
-         break;
-      }
-      break;
-   case EGL_OPENVG_API:
-      idx = ST_API_OPENVG;
-      break;
-   case EGL_OPENGL_API:
-      idx = ST_API_OPENGL;
-      break;
-   default:
-      _eglLog(_EGL_WARNING, "unknown client API 0x%04x", ctx->ClientAPI);
-      break;
-   }
-
-   stapi = (idx >= 0) ? gdrv->stapis[idx] : NULL;
-   return stapi;
-}
+#include "native.h"
 
 /**
  * Initialize the state trackers.
@@ -569,471 +526,6 @@ fail:
    return EGL_FALSE;
 }
 
-static _EGLContext *
-egl_g3d_create_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
-                       _EGLContext *share, const EGLint *attribs)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_context *gshare = egl_g3d_context(share);
-   struct egl_g3d_config *gconf = egl_g3d_config(conf);
-   struct egl_g3d_context *gctx;
-
-   gctx = CALLOC_STRUCT(egl_g3d_context);
-   if (!gctx) {
-      _eglError(EGL_BAD_ALLOC, "eglCreateContext");
-      return NULL;
-   }
-
-   if (!_eglInitContext(&gctx->base, dpy, conf, attribs)) {
-      free(gctx);
-      return NULL;
-   }
-
-   gctx->stapi = egl_g3d_choose_st(drv, &gctx->base);
-   if (!gctx->stapi) {
-      free(gctx);
-      return NULL;
-   }
-
-   gctx->stctxi = gctx->stapi->create_context(gctx->stapi, gdpy->smapi,
-         &gconf->stvis, (gshare) ? gshare->stctxi : NULL);
-   if (!gctx->stctxi) {
-      free(gctx);
-      return NULL;
-   }
-
-   gctx->stctxi->st_manager_private = (void *) &gctx->base;
-
-   return &gctx->base;
-}
-
-/**
- * Destroy a context.
- */
-static void
-destroy_context(_EGLDisplay *dpy, _EGLContext *ctx)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-
-   /* FIXME a context might live longer than its display */
-   if (!dpy->Initialized)
-      _eglLog(_EGL_FATAL, "destroy a context with an unitialized display");
-
-   gctx->stctxi->destroy(gctx->stctxi);
-
-   free(gctx);
-}
-
-static EGLBoolean
-egl_g3d_destroy_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
-{
-   if (!_eglIsContextBound(ctx))
-      destroy_context(dpy, ctx);
-   return EGL_TRUE;
-}
-
-struct egl_g3d_create_surface_arg {
-   EGLint type;
-   union {
-      EGLNativeWindowType win;
-      EGLNativePixmapType pix;
-   } u;
-};
-
-static _EGLSurface *
-egl_g3d_create_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
-                       struct egl_g3d_create_surface_arg *arg,
-                       const EGLint *attribs)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_config *gconf = egl_g3d_config(conf);
-   struct egl_g3d_surface *gsurf;
-   struct native_surface *nsurf;
-   const char *err;
-
-   switch (arg->type) {
-   case EGL_WINDOW_BIT:
-      err = "eglCreateWindowSurface";
-      break;
-   case EGL_PIXMAP_BIT:
-      err = "eglCreatePixmapSurface";
-      break;
-#ifdef EGL_MESA_screen_surface
-   case EGL_SCREEN_BIT_MESA:
-      err = "eglCreateScreenSurface";
-      break;
-#endif
-   default:
-      err = "eglCreateUnknownSurface";
-      break;
-   }
-
-   gsurf = CALLOC_STRUCT(egl_g3d_surface);
-   if (!gsurf) {
-      _eglError(EGL_BAD_ALLOC, err);
-      return NULL;
-   }
-
-   if (!_eglInitSurface(&gsurf->base, dpy, arg->type, conf, attribs)) {
-      free(gsurf);
-      return NULL;
-   }
-
-   /* create the native surface */
-   switch (arg->type) {
-   case EGL_WINDOW_BIT:
-      nsurf = gdpy->native->create_window_surface(gdpy->native,
-            arg->u.win, gconf->native);
-      break;
-   case EGL_PIXMAP_BIT:
-      nsurf = gdpy->native->create_pixmap_surface(gdpy->native,
-            arg->u.pix, gconf->native);
-      break;
-#ifdef EGL_MESA_screen_surface
-   case EGL_SCREEN_BIT_MESA:
-      /* prefer back buffer (move to _eglInitSurface?) */
-      gsurf->base.RenderBuffer = EGL_BACK_BUFFER;
-      nsurf = gdpy->native->modeset->create_scanout_surface(gdpy->native,
-            gconf->native, gsurf->base.Width, gsurf->base.Height);
-      break;
-#endif
-   default:
-      nsurf = NULL;
-      break;
-   }
-
-   if (!nsurf) {
-      free(gsurf);
-      return NULL;
-   }
-   /* initialize the geometry */
-   if (!nsurf->validate(nsurf, 0x0, &gsurf->sequence_number, NULL,
-            &gsurf->base.Width, &gsurf->base.Height)) {
-      nsurf->destroy(nsurf);
-      free(gsurf);
-      return NULL;
-   }
-
-   gsurf->stvis = gconf->stvis;
-   if (gsurf->base.RenderBuffer == EGL_SINGLE_BUFFER)
-      gsurf->stvis.render_buffer = ST_ATTACHMENT_FRONT_LEFT;
-
-   gsurf->stfbi = egl_g3d_create_st_framebuffer(&gsurf->base);
-   if (!gsurf->stfbi) {
-      nsurf->destroy(nsurf);
-      free(gsurf);
-      return NULL;
-   }
-
-   nsurf->user_data = &gsurf->base;
-   gsurf->native = nsurf;
-
-   return &gsurf->base;
-}
-
-static _EGLSurface *
-egl_g3d_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                              _EGLConfig *conf, EGLNativeWindowType win,
-                              const EGLint *attribs)
-{
-   struct egl_g3d_create_surface_arg arg;
-
-   memset(&arg, 0, sizeof(arg));
-   arg.type = EGL_WINDOW_BIT;
-   arg.u.win = win;
-
-   return egl_g3d_create_surface(drv, dpy, conf, &arg, attribs);
-}
-
-static _EGLSurface *
-egl_g3d_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                              _EGLConfig *conf, EGLNativePixmapType pix,
-                              const EGLint *attribs)
-{
-   struct egl_g3d_create_surface_arg arg;
-
-   memset(&arg, 0, sizeof(arg));
-   arg.type = EGL_PIXMAP_BIT;
-   arg.u.pix = pix;
-
-   return egl_g3d_create_surface(drv, dpy, conf, &arg, attribs);
-}
-
-static _EGLSurface *
-egl_g3d_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                               _EGLConfig *conf, const EGLint *attribs)
-{
-   struct egl_g3d_config *gconf = egl_g3d_config(conf);
-   struct egl_g3d_surface *gsurf;
-
-   gsurf = CALLOC_STRUCT(egl_g3d_surface);
-   if (!gsurf) {
-      _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface");
-      return NULL;
-   }
-
-   if (!_eglInitSurface(&gsurf->base, dpy, EGL_PBUFFER_BIT, conf, attribs)) {
-      free(gsurf);
-      return NULL;
-   }
-
-   gsurf->stvis = gconf->stvis;
-
-   gsurf->stfbi = egl_g3d_create_st_framebuffer(&gsurf->base);
-   if (!gsurf->stfbi) {
-      free(gsurf);
-      return NULL;
-   }
-
-   return &gsurf->base;
-}
-
-/**
- * Destroy a surface.
- */
-static void
-destroy_surface(_EGLDisplay *dpy, _EGLSurface *surf)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-
-   /* FIXME a surface might live longer than its display */
-   if (!dpy->Initialized)
-      _eglLog(_EGL_FATAL, "destroy a surface with an unitialized display");
-
-   pipe_resource_reference(&gsurf->render_texture, NULL);
-   egl_g3d_destroy_st_framebuffer(gsurf->stfbi);
-   if (gsurf->native)
-      gsurf->native->destroy(gsurf->native);
-   free(gsurf);
-}
-
-static EGLBoolean
-egl_g3d_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
-{
-   if (!_eglIsSurfaceBound(surf))
-      destroy_surface(dpy, surf);
-   return EGL_TRUE;
-}
-
-static EGLBoolean
-egl_g3d_make_current(_EGLDriver *drv, _EGLDisplay *dpy,
-                     _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   struct egl_g3d_surface *gdraw = egl_g3d_surface(draw);
-   struct egl_g3d_surface *gread = egl_g3d_surface(read);
-   struct egl_g3d_context *old_gctx;
-   EGLBoolean ok = EGL_TRUE;
-
-   /* bind the new context and return the "orphaned" one */
-   if (!_eglBindContext(&ctx, &draw, &read))
-      return EGL_FALSE;
-   old_gctx = egl_g3d_context(ctx);
-
-   if (old_gctx) {
-      /* flush old context */
-      old_gctx->stctxi->flush(old_gctx->stctxi,
-            PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
-   }
-
-   if (gctx) {
-      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) {
-            gctx->stctxi->notify_invalid_framebuffer(gctx->stctxi,
-                  gread->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;
-         }
-      }
-   }
-   else if (old_gctx) {
-      ok = old_gctx->stapi->make_current(old_gctx->stapi, NULL, NULL, NULL);
-      old_gctx->base.WindowRenderBuffer = EGL_NONE;
-   }
-
-   if (ctx && !_eglIsContextLinked(ctx))
-      destroy_context(dpy, ctx);
-   if (draw && !_eglIsSurfaceLinked(draw))
-      destroy_surface(dpy, draw);
-   if (read && read != draw && !_eglIsSurfaceLinked(read))
-      destroy_surface(dpy, read);
-
-   return ok;
-}
-
-static EGLBoolean
-egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-   _EGLContext *ctx = _eglGetCurrentContext();
-   struct egl_g3d_context *gctx = NULL;
-
-   /* no-op for pixmap or pbuffer surface */
-   if (gsurf->base.Type == EGL_PIXMAP_BIT ||
-       gsurf->base.Type == EGL_PBUFFER_BIT)
-      return EGL_TRUE;
-
-   /* or when the surface is single-buffered */
-   if (gsurf->stvis.render_buffer == ST_ATTACHMENT_FRONT_LEFT)
-      return EGL_TRUE;
-
-   if (ctx && ctx->DrawSurface == surf)
-      gctx = egl_g3d_context(ctx);
-
-   /* flush if the surface is current */
-   if (gctx) {
-      gctx->stctxi->flush(gctx->stctxi,
-            PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
-   }
-
-   return gsurf->native->swap_buffers(gsurf->native);
-}
-
-/**
- * Find a config that supports the pixmap.
- */
-_EGLConfig *
-egl_g3d_find_pixmap_config(_EGLDisplay *dpy, EGLNativePixmapType pix)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_config *gconf;
-   EGLint i;
-
-   for (i = 0; i < dpy->NumConfigs; i++) {
-      gconf = egl_g3d_config(dpy->Configs[i]);
-      if (gdpy->native->is_pixmap_supported(gdpy->native, pix, gconf->native))
-         break;
-   }
-
-   return (i < dpy->NumConfigs) ? &gconf->base : NULL;
-}
-
-/**
- * Get the pipe surface of the given attachment of the native surface.
- */
-static struct pipe_surface *
-get_pipe_surface(struct native_display *ndpy, struct native_surface *nsurf,
-                 enum native_attachment natt,
-		 unsigned bind)
-{
-   struct pipe_resource *textures[NUM_NATIVE_ATTACHMENTS];
-   struct pipe_surface *psurf;
-
-   textures[natt] = NULL;
-   nsurf->validate(nsurf, 1 << natt, NULL, textures, NULL, NULL);
-   if (!textures[natt])
-      return NULL;
-
-   psurf = ndpy->screen->get_tex_surface(ndpy->screen, textures[natt],
-         0, 0, 0, bind);
-   pipe_resource_reference(&textures[natt], NULL);
-
-   return psurf;
-}
-
-static EGLBoolean
-egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
-                     EGLNativePixmapType target)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-   _EGLContext *ctx = _eglGetCurrentContext();
-   struct egl_g3d_config *gconf;
-   struct native_surface *nsurf;
-   struct pipe_screen *screen = gdpy->native->screen;
-   struct pipe_surface *psurf;
-
-   if (!gsurf->render_texture)
-      return EGL_TRUE;
-
-   gconf = egl_g3d_config(egl_g3d_find_pixmap_config(dpy, target));
-   if (!gconf)
-      return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglCopyBuffers");
-
-   nsurf = gdpy->native->create_pixmap_surface(gdpy->native,
-         target, gconf->native);
-   if (!nsurf)
-      return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglCopyBuffers");
-
-   /* flush if the surface is current */
-   if (ctx && ctx->DrawSurface == &gsurf->base) {
-      struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-      gctx->stctxi->flush(gctx->stctxi,
-            PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
-   }
-
-   /* create a pipe context to copy surfaces */
-   if (!gdpy->pipe) {
-      gdpy->pipe =
-         gdpy->native->screen->context_create(gdpy->native->screen, NULL);
-      if (!gdpy->pipe)
-         return EGL_FALSE;
-   }
-
-   psurf = get_pipe_surface(gdpy->native, nsurf, NATIVE_ATTACHMENT_FRONT_LEFT,
-			    PIPE_BIND_BLIT_DESTINATION);
-   if (psurf) {
-      struct pipe_surface *psrc;
-
-      psrc = screen->get_tex_surface(screen, gsurf->render_texture,
-            0, 0, 0, PIPE_BIND_BLIT_SOURCE);
-      if (psrc) {
-         gdpy->pipe->surface_copy(gdpy->pipe, psurf, 0, 0,
-               psrc, 0, 0, psurf->width, psurf->height);
-         pipe_surface_reference(&psrc, NULL);
-
-         nsurf->flush_frontbuffer(nsurf);
-      }
-
-      pipe_surface_reference(&psurf, NULL);
-   }
-
-   nsurf->destroy(nsurf);
-
-   return EGL_TRUE;
-}
-
-static EGLBoolean
-egl_g3d_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   struct pipe_screen *screen = gdpy->native->screen;
-   struct pipe_fence_handle *fence = NULL;
-
-   gctx->stctxi->flush(gctx->stctxi,
-         PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence);
-   screen->fence_finish(screen, fence, 0);
-   screen->fence_reference(screen, &fence, NULL);
-
-   return EGL_TRUE;
-}
-
-static EGLBoolean
-egl_g3d_wait_native(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine)
-{
-   _EGLContext *ctx = _eglGetCurrentContext();
-
-   if (engine != EGL_CORE_NATIVE_ENGINE)
-      return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
-
-   if (ctx && ctx->DrawSurface) {
-      struct egl_g3d_surface *gsurf = egl_g3d_surface(ctx->DrawSurface);
-
-      if (gsurf->native)
-         gsurf->native->wait(gsurf->native);
-   }
-
-   return EGL_TRUE;
-}
-
 static _EGLProc
 egl_g3d_get_proc_address(_EGLDriver *drv, const char *procname)
 {
@@ -1056,165 +548,6 @@ egl_g3d_get_proc_address(_EGLDriver *drv, const char *procname)
    return (_EGLProc) NULL;
 }
 
-static EGLBoolean
-egl_g3d_bind_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
-                       _EGLSurface *surf, EGLint buffer)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-   _EGLContext *es1 = _eglGetAPIContext(EGL_OPENGL_ES_API);
-   struct egl_g3d_context *gctx;
-   enum pipe_format internal_format;
-   enum st_texture_type target;
-
-   if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT)
-      return _eglError(EGL_BAD_SURFACE, "eglBindTexImage");
-   if (buffer != EGL_BACK_BUFFER)
-      return _eglError(EGL_BAD_PARAMETER, "eglBindTexImage");
-   if (gsurf->base.BoundToTexture)
-      return _eglError(EGL_BAD_ACCESS, "eglBindTexImage");
-
-   switch (gsurf->base.TextureFormat) {
-   case EGL_TEXTURE_RGB:
-      internal_format = PIPE_FORMAT_R8G8B8_UNORM;
-      break;
-   case EGL_TEXTURE_RGBA:
-      internal_format = PIPE_FORMAT_B8G8R8A8_UNORM;
-      break;
-   default:
-      return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
-   }
-
-   switch (gsurf->base.TextureTarget) {
-   case EGL_TEXTURE_2D:
-      target = ST_TEXTURE_2D;
-      break;
-   default:
-      return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
-   }
-
-   if (!es1)
-      return EGL_TRUE;
-   if (!gsurf->render_texture)
-      return EGL_FALSE;
-
-   /* flush properly if the surface is bound */
-   if (gsurf->base.CurrentContext) {
-      gctx = egl_g3d_context(gsurf->base.CurrentContext);
-      gctx->stctxi->flush(gctx->stctxi,
-            PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
-   }
-
-   gctx = egl_g3d_context(es1);
-   if (gctx->stctxi->teximage) {
-      if (!gctx->stctxi->teximage(gctx->stctxi, target,
-               gsurf->base.MipmapLevel, internal_format,
-               gsurf->render_texture, gsurf->base.MipmapTexture))
-         return EGL_FALSE;
-      gsurf->base.BoundToTexture = EGL_TRUE;
-   }
-
-   return EGL_TRUE;
-}
-
-static EGLBoolean
-egl_g3d_release_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
-                          _EGLSurface *surf, EGLint buffer)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-
-   if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT ||
-       !gsurf->base.BoundToTexture)
-      return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage");
-   if (buffer != EGL_BACK_BUFFER)
-      return _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage");
-
-   if (gsurf->render_texture) {
-      _EGLContext *ctx = _eglGetAPIContext(EGL_OPENGL_ES_API);
-      struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-
-      /* what if the context the surface binds to is no longer current? */
-      if (gctx) {
-         gctx->stctxi->teximage(gctx->stctxi, ST_TEXTURE_2D,
-               gsurf->base.MipmapLevel, PIPE_FORMAT_NONE, NULL, FALSE);
-      }
-   }
-
-   gsurf->base.BoundToTexture = EGL_FALSE;
-
-   return EGL_TRUE;
-}
-
-#ifdef EGL_MESA_screen_surface
-
-static _EGLSurface *
-egl_g3d_create_screen_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                              _EGLConfig *conf, const EGLint *attribs)
-{
-   struct egl_g3d_create_surface_arg arg;
-
-   memset(&arg, 0, sizeof(arg));
-   arg.type = EGL_SCREEN_BIT_MESA;
-
-   return egl_g3d_create_surface(drv, dpy, conf, &arg, attribs);
-}
-
-static EGLBoolean
-egl_g3d_show_screen_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                            _EGLScreen *scr, _EGLSurface *surf,
-                            _EGLMode *mode)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_screen *gscr = egl_g3d_screen(scr);
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-   struct native_surface *nsurf;
-   const struct native_mode *nmode;
-   EGLBoolean changed;
-
-   if (gsurf) {
-      EGLint idx;
-
-      if (!mode)
-         return _eglError(EGL_BAD_MATCH, "eglShowSurfaceMESA");
-      if (gsurf->base.Type != EGL_SCREEN_BIT_MESA)
-         return _eglError(EGL_BAD_SURFACE, "eglShowScreenSurfaceMESA");
-      if (gsurf->base.Width < mode->Width || gsurf->base.Height < mode->Height)
-         return _eglError(EGL_BAD_MATCH,
-               "eglShowSurfaceMESA(surface smaller than mode size)");
-
-      /* find the index of the mode */
-      for (idx = 0; idx < gscr->base.NumModes; idx++)
-         if (mode == &gscr->base.Modes[idx])
-            break;
-      if (idx >= gscr->base.NumModes) {
-         return _eglError(EGL_BAD_MODE_MESA,
-               "eglShowSurfaceMESA(unknown mode)");
-      }
-
-      nsurf = gsurf->native;
-      nmode = gscr->native_modes[idx];
-   }
-   else {
-      if (mode)
-         return _eglError(EGL_BAD_MATCH, "eglShowSurfaceMESA");
-
-      /* disable the screen */
-      nsurf = NULL;
-      nmode = NULL;
-   }
-
-   /* TODO surface panning by CRTC choosing */
-   changed = gdpy->native->modeset->program(gdpy->native, 0, nsurf,
-         gscr->base.OriginX, gscr->base.OriginY, &gscr->native, 1, nmode);
-   if (changed) {
-      gscr->base.CurrentSurface = &gsurf->base;
-      gscr->base.CurrentMode = mode;
-   }
-
-   return changed;
-}
-
-#endif /* EGL_MESA_screen_surface */
-
 static EGLint
 egl_g3d_probe(_EGLDriver *drv, _EGLDisplay *dpy)
 {
@@ -1272,34 +605,11 @@ _eglMain(const char *args)
    if (!gdrv)
       return NULL;
 
-   _eglInitDriverFallbacks(&gdrv->base);
-
+   egl_g3d_init_driver_api(&gdrv->base);
    gdrv->base.API.Initialize = egl_g3d_initialize;
    gdrv->base.API.Terminate = egl_g3d_terminate;
-   gdrv->base.API.CreateContext = egl_g3d_create_context;
-   gdrv->base.API.DestroyContext = egl_g3d_destroy_context;
-   gdrv->base.API.CreateWindowSurface = egl_g3d_create_window_surface;
-   gdrv->base.API.CreatePixmapSurface = egl_g3d_create_pixmap_surface;
-   gdrv->base.API.CreatePbufferSurface = egl_g3d_create_pbuffer_surface;
-   gdrv->base.API.DestroySurface = egl_g3d_destroy_surface;
-   gdrv->base.API.MakeCurrent = egl_g3d_make_current;
-   gdrv->base.API.SwapBuffers = egl_g3d_swap_buffers;
-   gdrv->base.API.CopyBuffers = egl_g3d_copy_buffers;
-   gdrv->base.API.WaitClient = egl_g3d_wait_client;
-   gdrv->base.API.WaitNative = egl_g3d_wait_native;
    gdrv->base.API.GetProcAddress = egl_g3d_get_proc_address;
 
-   gdrv->base.API.BindTexImage = egl_g3d_bind_tex_image;
-   gdrv->base.API.ReleaseTexImage = egl_g3d_release_tex_image;
-
-   gdrv->base.API.CreateImageKHR = egl_g3d_create_image;
-   gdrv->base.API.DestroyImageKHR = egl_g3d_destroy_image;
-
-#ifdef EGL_MESA_screen_surface
-   gdrv->base.API.CreateScreenSurfaceMESA = egl_g3d_create_screen_surface;
-   gdrv->base.API.ShowScreenSurfaceMESA = egl_g3d_show_screen_surface;
-#endif
-
    gdrv->base.Name = driver_name;
    gdrv->base.Probe = egl_g3d_probe;
    gdrv->base.Unload = egl_g3d_unload;