st/egl: Use st_api.h instead of st_public.h.

Switch from st_public.h to st_api.h.  The latter has intrinsic multiple
APIs support and allows various EGLImage extensions to be supported.

6 files changed, 474 insertions, 576 deletions

diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.c b/src/gallium/state_trackers/egl/common/egl_g3d.c
index e4972d493d..783b8e56b3 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d.c
@@ -36,234 +36,27 @@
 
 #include "native.h"
 #include "egl_g3d.h"
+#include "egl_g3d_st.h"
 #include "egl_g3d_image.h"
-#include "egl_st.h"
-
-/**
- * Validate the draw/read surfaces of the context.
- */
-static void
-egl_g3d_validate_context(_EGLDisplay *dpy, _EGLContext *ctx)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct pipe_screen *screen = gdpy->native->screen;
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   const uint st_att_map[NUM_NATIVE_ATTACHMENTS] = {
-      ST_SURFACE_FRONT_LEFT,
-      ST_SURFACE_BACK_LEFT,
-      ST_SURFACE_FRONT_RIGHT,
-      ST_SURFACE_BACK_RIGHT,
-   };
-   EGLint num_surfaces, s;
-
-   /* validate draw and/or read buffers */
-   num_surfaces = (gctx->base.ReadSurface == gctx->base.DrawSurface) ? 1 : 2;
-   for (s = 0; s < num_surfaces; s++) {
-      struct pipe_texture *textures[NUM_NATIVE_ATTACHMENTS];
-      struct egl_g3d_surface *gsurf;
-      struct egl_g3d_buffer *gbuf;
-      EGLint att;
-
-      if (s == 0) {
-         gsurf = egl_g3d_surface(gctx->base.DrawSurface);
-         gbuf = &gctx->draw;
-      }
-      else {
-         gsurf = egl_g3d_surface(gctx->base.ReadSurface);
-         gbuf = &gctx->read;
-      }
-
-      if (!gctx->force_validate) {
-         unsigned int seq_num;
-
-         gsurf->native->validate(gsurf->native, gbuf->attachment_mask,
-               &seq_num, NULL, NULL, NULL);
-         /* skip validation */
-         if (gsurf->sequence_number == seq_num)
-            continue;
-      }
-
-      pipe_surface_reference(&gsurf->render_surface, NULL);
-      memset(textures, 0, sizeof(textures));
-
-      gsurf->native->validate(gsurf->native, gbuf->attachment_mask,
-            &gsurf->sequence_number, textures,
-            &gsurf->base.Width, &gsurf->base.Height);
-      for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) {
-         struct pipe_texture *pt = textures[att];
-         struct pipe_surface *ps;
-
-         if (native_attachment_mask_test(gbuf->attachment_mask, att) && pt) {
-            ps = screen->get_tex_surface(screen, pt, 0, 0, 0,
-                  PIPE_BUFFER_USAGE_GPU_READ |
-                  PIPE_BUFFER_USAGE_GPU_WRITE);
-            gctx->stapi->st_set_framebuffer_surface(gbuf->st_fb,
-                  st_att_map[att], ps);
-
-            if (gsurf->render_att == att)
-               pipe_surface_reference(&gsurf->render_surface, ps);
-
-            pipe_surface_reference(&ps, NULL);
-            pipe_texture_reference(&pt, NULL);
-         }
-      }
-
-      gctx->stapi->st_resize_framebuffer(gbuf->st_fb,
-            gsurf->base.Width, gsurf->base.Height);
-   }
-
-   gctx->force_validate = EGL_FALSE;
-
-}
-
-/**
- * Create a st_framebuffer.
- */
-static struct st_framebuffer *
-create_framebuffer(_EGLContext *ctx, _EGLSurface *surf)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-   struct egl_g3d_config *gconf = egl_g3d_config(gsurf->base.Config);
-
-   return gctx->stapi->st_create_framebuffer(&gconf->native->mode,
-         gconf->native->color_format, gconf->native->depth_format,
-         gconf->native->stencil_format,
-         gsurf->base.Width, gsurf->base.Height, &gsurf->base);
-}
-
-/**
- * Update the attachments of draw/read surfaces.
- */
-static void
-egl_g3d_route_context(_EGLDisplay *dpy, _EGLContext *ctx)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   EGLint s;
-
-   /* route draw and read buffers' attachments */
-   for (s = 0; s < 2; s++) {
-      struct egl_g3d_surface *gsurf;
-      struct egl_g3d_buffer *gbuf;
-
-      if (s == 0) {
-         gsurf = egl_g3d_surface(gctx->base.DrawSurface);
-         gbuf = &gctx->draw;
-      }
-      else {
-         gsurf = egl_g3d_surface(gctx->base.ReadSurface);
-         gbuf = &gctx->read;
-      }
-
-      gbuf->attachment_mask = (1 << gsurf->render_att);
-
-      /* FIXME OpenGL defaults to draw the front or back buffer when the
-       * context is single-buffered or double-buffered respectively.  In EGL,
-       * however, the buffer to be drawn is determined by the surface, instead
-       * of the context.  As a result, rendering to a pixmap surface with a
-       * double-buffered context does not work as expected.
-       *
-       * gctx->stapi->st_draw_front_buffer(gctx->st_ctx, natt ==
-       *    NATIVE_ATTACHMENT_FRONT_LEFT);
-       */
-
-      /*
-       * FIXME If the back buffer is asked for here, and the front buffer is
-       * later needed by the client API (e.g. glDrawBuffer is called to draw
-       * the front buffer), it will create a new pipe texture and draw there.
-       * One fix is to ask for both buffers here, but it would be a waste if
-       * the front buffer is never used.  A better fix is to add a callback to
-       * the pipe screen with context private (just like flush_frontbuffer).
-       */
-   }
-}
-
-/**
- * Reallocate the context's framebuffers after draw/read surfaces change.
- */
-static EGLBoolean
-egl_g3d_realloc_context(_EGLDisplay *dpy, _EGLContext *ctx)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   struct egl_g3d_surface *gdraw = egl_g3d_surface(gctx->base.DrawSurface);
-   struct egl_g3d_surface *gread = egl_g3d_surface(gctx->base.ReadSurface);
-
-   /* unreference the old framebuffers */
-   if (gctx->draw.st_fb) {
-      EGLBoolean is_equal = (gctx->draw.st_fb == gctx->read.st_fb);
-      void *priv;
-
-      priv = gctx->stapi->st_framebuffer_private(gctx->draw.st_fb);
-      if (!gdraw || priv != (void *) &gdraw->base) {
-         gctx->stapi->st_unreference_framebuffer(gctx->draw.st_fb);
-         gctx->draw.st_fb = NULL;
-         gctx->draw.attachment_mask = 0x0;
-      }
-
-      if (is_equal) {
-         gctx->read.st_fb = NULL;
-         gctx->draw.attachment_mask = 0x0;
-      }
-      else {
-         priv = gctx->stapi->st_framebuffer_private(gctx->read.st_fb);
-         if (!gread || priv != (void *) &gread->base) {
-            gctx->stapi->st_unreference_framebuffer(gctx->read.st_fb);
-            gctx->read.st_fb = NULL;
-            gctx->draw.attachment_mask = 0x0;
-         }
-      }
-   }
-
-   if (!gdraw)
-      return EGL_TRUE;
-
-   /* create the draw fb */
-   if (!gctx->draw.st_fb) {
-      gctx->draw.st_fb = create_framebuffer(&gctx->base, &gdraw->base);
-      if (!gctx->draw.st_fb)
-         return EGL_FALSE;
-   }
-
-   /* create the read fb */
-   if (!gctx->read.st_fb) {
-      if (gread != gdraw) {
-         gctx->read.st_fb = create_framebuffer(&gctx->base, &gread->base);
-         if (!gctx->read.st_fb) {
-            gctx->stapi->st_unreference_framebuffer(gctx->draw.st_fb);
-            gctx->draw.st_fb = NULL;
-            return EGL_FALSE;
-         }
-      }
-      else {
-         /* there is no st_reference_framebuffer... */
-         gctx->read.st_fb = gctx->draw.st_fb;
-      }
-   }
-
-   egl_g3d_route_context(dpy, &gctx->base);
-   gctx->force_validate = EGL_TRUE;
-
-   return EGL_TRUE;
-}
 
 /**
  * Return the state tracker for the given context.
  */
-static const struct egl_g3d_st *
+static struct st_api *
 egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx)
 {
    struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
-   const struct egl_g3d_st *stapi;
+   struct st_api *stapi;
    EGLint idx = -1;
 
    switch (ctx->ClientAPI) {
    case EGL_OPENGL_ES_API:
       switch (ctx->ClientVersion) {
       case 1:
-         idx = EGL_G3D_ST_OPENGL_ES;
+         idx = ST_API_OPENGL_ES1;
          break;
       case 2:
-         idx = EGL_G3D_ST_OPENGL_ES2;
+         idx = ST_API_OPENGL_ES2;
          break;
       default:
          _eglLog(_EGL_WARNING, "unknown client version %d",
@@ -272,10 +65,10 @@ egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx)
       }
       break;
    case EGL_OPENVG_API:
-      idx = EGL_G3D_ST_OPENVG;
+      idx = ST_API_OPENVG;
       break;
    case EGL_OPENGL_API:
-      idx = EGL_G3D_ST_OPENGL;
+      idx = ST_API_OPENGL;
       break;
    default:
       _eglLog(_EGL_WARNING, "unknown client API 0x%04x", ctx->ClientAPI);
@@ -299,10 +92,10 @@ egl_g3d_init_st(_EGLDriver *drv)
    if (gdrv->api_mask)
       return;
 
-   for (i = 0; i < NUM_EGL_G3D_STS; i++) {
-      gdrv->stapis[i] = egl_g3d_get_st(i);
+   for (i = 0; i < ST_API_COUNT; i++) {
+      gdrv->stapis[i] = egl_g3d_create_st_api(i);
       if (gdrv->stapis[i])
-         gdrv->api_mask |= gdrv->stapis[i]->api_bit;
+         gdrv->api_mask |= egl_g3d_st_api_bit(i);
    }
 
    if (gdrv->api_mask)
@@ -351,35 +144,6 @@ egl_g3d_destroy_probe(_EGLDriver *drv, _EGLDisplay *dpy)
    }
 }
 
-/**
- * Return an API mask that consists of the state trackers that supports the
- * given mode.
- *
- * FIXME add st_is_mode_supported()?
- */
-static EGLint
-get_mode_api_mask(const __GLcontextModes *mode, EGLint api_mask)
-{
-   EGLint check;
-
-   /* OpenGL ES 1.x and 2.x are checked together */
-   check = EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT;
-   if (api_mask & check) {
-      /* this is required by EGL, not by OpenGL ES */
-      if (mode->drawableType & GLX_WINDOW_BIT && !mode->doubleBufferMode)
-         api_mask &= ~check;
-   }
-
-   check = EGL_OPENVG_BIT;
-   if (api_mask & check) {
-      /* vega st needs the depth/stencil rb */
-      if (!mode->depthBits && !mode->stencilBits)
-         api_mask &= ~check;
-   }
-
-   return api_mask;
-}
-
 #ifdef EGL_MESA_screen_surface
 
 static void
@@ -444,18 +208,88 @@ egl_g3d_add_screens(_EGLDriver *drv, _EGLDisplay *dpy)
 #endif /* EGL_MESA_screen_surface */
 
 /**
+ * Initialize an EGL config from the native config.
+ */
+static EGLBoolean
+egl_g3d_init_config(_EGLDriver *drv, _EGLDisplay *dpy,
+                    _EGLConfig *conf, const struct native_config *nconf)
+{
+   struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
+   struct egl_g3d_config *gconf = egl_g3d_config(conf);
+   const __GLcontextModes *mode = &nconf->mode;
+   EGLint buffer_mask, api_mask;
+   EGLBoolean valid;
+   EGLint i;
+
+   buffer_mask = ST_ATTACHMENT_FRONT_LEFT_MASK;
+   if (mode->doubleBufferMode)
+      buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
+   if (mode->stereoMode) {
+      buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
+      if (mode->doubleBufferMode)
+         buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
+   }
+
+   gconf->stvis.buffer_mask = buffer_mask;
+   gconf->stvis.color_format = nconf->color_format;
+   gconf->stvis.depth_stencil_format = nconf->depth_format;
+   gconf->stvis.accum_format = PIPE_FORMAT_NONE;
+   gconf->stvis.samples = 0;
+
+   gconf->stvis.render_buffer = (buffer_mask & ST_ATTACHMENT_BACK_LEFT) ?
+      ST_ATTACHMENT_BACK_LEFT : ST_ATTACHMENT_FRONT_LEFT;
+
+   api_mask = 0;
+   for (i = 0; i < ST_API_COUNT; i++) {
+      struct st_api *stapi = gdrv->stapis[i];
+      if (stapi) {
+         if (stapi->is_visual_supported(stapi, &gconf->stvis))
+            api_mask |= egl_g3d_st_api_bit(i);
+      }
+   }
+   /* this is required by EGL, not by OpenGL ES */
+   if ((mode->drawableType & GLX_WINDOW_BIT) && !mode->doubleBufferMode)
+      api_mask &= ~(EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT);
+
+   if (!api_mask) {
+      _eglLog(_EGL_DEBUG, "no state tracker supports config 0x%x",
+            mode->visualID);
+   }
+
+   valid = _eglConfigFromContextModesRec(&gconf->base,
+         mode, api_mask, api_mask);
+   if (valid) {
+#ifdef EGL_MESA_screen_surface
+      /* check if scanout surface bit is set */
+      if (nconf->scanout_bit) {
+         EGLint val = GET_CONFIG_ATTRIB(&gconf->base, EGL_SURFACE_TYPE);
+         val |= EGL_SCREEN_BIT_MESA;
+         SET_CONFIG_ATTRIB(&gconf->base, EGL_SURFACE_TYPE, val);
+      }
+#endif
+      valid = _eglValidateConfig(&gconf->base, EGL_FALSE);
+   }
+   if (!valid) {
+      _eglLog(_EGL_DEBUG, "skip invalid config 0x%x", mode->visualID);
+      return EGL_FALSE;
+   }
+
+   gconf->native = nconf;
+
+   return EGL_TRUE;
+}
+
+/**
  * Add configs to display and return the next config ID.
  */
 static EGLint
 egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id)
 {
-   struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
    struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
    const struct native_config **native_configs;
    int num_configs, i;
 
-   native_configs = gdpy->native->get_configs(gdpy->native,
-         &num_configs);
+   native_configs = gdpy->native->get_configs(gdpy->native, &num_configs);
    if (!num_configs) {
       if (native_configs)
          free(native_configs);
@@ -463,61 +297,25 @@ egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id)
    }
 
    for (i = 0; i < num_configs; i++) {
-      EGLint api_mask;
       struct egl_g3d_config *gconf;
-      EGLBoolean valid;
 
       gconf = CALLOC_STRUCT(egl_g3d_config);
-      if (!gconf)
-         continue;
-
-      _eglInitConfig(&gconf->base, dpy, id);
-
-      api_mask = get_mode_api_mask(&native_configs[i]->mode, gdrv->api_mask);
-      if (!api_mask) {
-         _eglLog(_EGL_DEBUG, "no state tracker supports config 0x%x",
-               native_configs[i]->mode.visualID);
-      }
-
-      valid = _eglConfigFromContextModesRec(&gconf->base,
-            &native_configs[i]->mode, api_mask, api_mask);
-      if (valid) {
-#ifdef EGL_MESA_screen_surface
-         /* check if scanout surface bit is set */
-         if (native_configs[i]->scanout_bit) {
-            EGLint val = GET_CONFIG_ATTRIB(&gconf->base, EGL_SURFACE_TYPE);
-            val |= EGL_SCREEN_BIT_MESA;
-            SET_CONFIG_ATTRIB(&gconf->base, EGL_SURFACE_TYPE, val);
+      if (gconf) {
+         _eglInitConfig(&gconf->base, dpy, id);
+         if (!egl_g3d_init_config(drv, dpy, &gconf->base, native_configs[i])) {
+            free(gconf);
+            continue;
          }
-#endif
-         valid = _eglValidateConfig(&gconf->base, EGL_FALSE);
-      }
-      if (!valid) {
-         _eglLog(_EGL_DEBUG, "skip invalid config 0x%x",
-               native_configs[i]->mode.visualID);
-         free(gconf);
-         continue;
-      }
 
-      gconf->native = native_configs[i];
-      _eglAddConfig(dpy, &gconf->base);
-      id++;
+         _eglAddConfig(dpy, &gconf->base);
+         id++;
+      }
    }
 
    free(native_configs);
    return id;
 }
 
-/**
- * Re-validate the context.
- */
-static void
-egl_g3d_update_buffer(struct pipe_screen *screen, void *context_private)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(context_private);
-   egl_g3d_validate_context(gctx->base.Resource.Display, &gctx->base);
-}
-
 static void
 egl_g3d_invalid_surface(struct native_display *ndpy,
                         struct native_surface *nsurf,
@@ -527,9 +325,8 @@ egl_g3d_invalid_surface(struct native_display *ndpy,
    struct egl_g3d_surface *gsurf = egl_g3d_surface(nsurf->user_data);
    struct egl_g3d_context *gctx = egl_g3d_context(gsurf->base.CurrentContext);
 
-   /* set force_validate to skip an unnecessary check */
    if (gctx)
-      gctx->force_validate = TRUE;
+      gctx->stctxi->notify_invalid_framebuffer(gctx->stctxi, gsurf->stfbi);
 }
 
 static struct native_event_handler egl_g3d_native_event_handler = {
@@ -554,6 +351,9 @@ egl_g3d_terminate(_EGLDriver *drv, _EGLDisplay *dpy)
       free(dpy->Screens);
    }
 
+   if (gdpy->smapi)
+      egl_g3d_destroy_st_manager(gdpy->smapi);
+
    if (gdpy->native)
       gdpy->native->destroy(gdpy->native);
 
@@ -588,11 +388,17 @@ egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy,
    }
 
    gdpy->native->user_data = (void *) dpy;
-   gdpy->native->screen->update_buffer = egl_g3d_update_buffer;
 
    egl_g3d_init_st(&gdrv->base);
    dpy->ClientAPIsMask = gdrv->api_mask;
 
+   gdpy->smapi = egl_g3d_create_st_manager(dpy);
+   if (!gdpy->smapi) {
+      _eglError(EGL_NOT_INITIALIZED,
+            "eglInitialize(failed to create st manager)");
+      goto fail;
+   }
+
 #ifdef EGL_MESA_screen_surface
    /* enable MESA_screen_surface before adding (and validating) configs */
    if (gdpy->native->modeset) {
@@ -629,7 +435,6 @@ egl_g3d_create_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
    struct egl_g3d_context *gshare = egl_g3d_context(share);
    struct egl_g3d_config *gconf = egl_g3d_config(conf);
    struct egl_g3d_context *gctx;
-   const __GLcontextModes *mode;
 
    gctx = CALLOC_STRUCT(egl_g3d_context);
    if (!gctx) {
@@ -648,24 +453,14 @@ egl_g3d_create_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
       return NULL;
    }
 
-   mode = &gconf->native->mode;
-
-   gctx->pipe = gdpy->native->screen->context_create(
-      gdpy->native->screen,
-      (void *) &gctx->base);
-
-   if (!gctx->pipe) {
+   gctx->stctxi = gctx->stapi->create_context(gctx->stapi, gdpy->smapi,
+         &gconf->stvis, (gshare) ? gshare->stctxi : NULL);
+   if (!gctx->stctxi) {
       free(gctx);
       return NULL;
    }
 
-   gctx->st_ctx = gctx->stapi->st_create_context(gctx->pipe, mode,
-                        (gshare) ? gshare->st_ctx : NULL);
-   if (!gctx->st_ctx) {
-      gctx->pipe->destroy(gctx->pipe);
-      free(gctx);
-      return NULL;
-   }
+   gctx->stctxi->st_manager_private = (void *) &gctx->base;
 
    return &gctx->base;
 }
@@ -682,9 +477,7 @@ destroy_context(_EGLDisplay *dpy, _EGLContext *ctx)
    if (!dpy->Initialized)
       _eglLog(_EGL_FATAL, "destroy a context with an unitialized display");
 
-   egl_g3d_realloc_context(dpy, &gctx->base);
-   /* it will destroy the associated pipe context */
-   gctx->stapi->st_destroy_context(gctx->st_ctx);
+   gctx->stctxi->destroy(gctx->stctxi);
 
    free(gctx);
 }
@@ -786,14 +579,20 @@ egl_g3d_create_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
       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) {
+      gsurf->native->destroy(gsurf->native);
+      free(gsurf);
+      return NULL;
+   }
+
    nsurf->user_data = &gsurf->base;
    gsurf->native = nsurf;
 
-   gsurf->render_att = (gsurf->base.RenderBuffer == EGL_SINGLE_BUFFER) ?
-      NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT;
-   if (!gconf->native->mode.doubleBufferMode)
-      gsurf->render_att = NATIVE_ATTACHMENT_FRONT_LEFT;
-
    return &gsurf->base;
 }
 
@@ -849,7 +648,8 @@ destroy_surface(_EGLDisplay *dpy, _EGLSurface *surf)
    if (!dpy->Initialized)
       _eglLog(_EGL_FATAL, "destroy a surface with an unitialized display");
 
-   pipe_surface_reference(&gsurf->render_surface, NULL);
+   pipe_texture_reference(&gsurf->render_texture, NULL);
+   egl_g3d_destroy_st_framebuffer(gsurf->stfbi);
    gsurf->native->destroy(gsurf->native);
    free(gsurf);
 }
@@ -868,6 +668,7 @@ egl_g3d_make_current(_EGLDriver *drv, _EGLDisplay *dpy,
 {
    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;
 
@@ -878,39 +679,29 @@ egl_g3d_make_current(_EGLDriver *drv, _EGLDisplay *dpy,
 
    if (old_gctx) {
       /* flush old context */
-      old_gctx->stapi->st_flush(old_gctx->st_ctx,
+      old_gctx->stctxi->flush(old_gctx->stctxi,
             PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
-
-      /*
-       * The old context is no longer current, and egl_g3d_realloc_context()
-       * should be called to destroy the framebuffers.  However, it is possible
-       * that it will be made current again with the same draw/read surfaces.
-       * It might be better to keep it around.
-       */
    }
 
    if (gctx) {
-      ok = egl_g3d_realloc_context(dpy, &gctx->base);
+      ok = gctx->stapi->make_current(gctx->stapi, gctx->stctxi,
+            (gdraw) ? gdraw->stfbi : NULL, (gread) ? gread->stfbi : NULL);
       if (ok) {
-         /* XXX: need to pass the winsys argument for
-          * flush_frontbuffer in the fourth parameter here:
-          */
-         ok = gctx->stapi->st_make_current(gctx->st_ctx,
-                                           gctx->draw.st_fb,
-                                           gctx->read.st_fb,
-                                           NULL);
-         if (ok) {
-            egl_g3d_validate_context(dpy, &gctx->base);
-            if (gdraw->base.Type == EGL_WINDOW_BIT) {
-               gctx->base.WindowRenderBuffer =
-                  (gdraw->render_att == NATIVE_ATTACHMENT_FRONT_LEFT) ?
-                  EGL_SINGLE_BUFFER : EGL_BACK_BUFFER;
-            }
+         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->st_make_current(NULL, NULL, NULL, NULL);
+      ok = old_gctx->stapi->make_current(old_gctx->stapi, NULL, NULL, NULL);
       old_gctx->base.WindowRenderBuffer = EGL_NONE;
    }
 
@@ -937,15 +728,17 @@ egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
       return EGL_TRUE;
 
    /* or when the surface is single-buffered */
-   if (gsurf->render_att == NATIVE_ATTACHMENT_FRONT_LEFT)
+   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->stapi->st_notify_swapbuffers(gctx->draw.st_fb);
+   if (gctx) {
+      gctx->stctxi->flush(gctx->stctxi,
+            PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
+   }
 
    return gsurf->native->swap_buffers(gsurf->native);
 }
@@ -1003,7 +796,7 @@ egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
    struct pipe_screen *screen = gdpy->native->screen;
    struct pipe_surface *psurf;
 
-   if (!gsurf->render_surface)
+   if (!gsurf->render_texture)
       return EGL_TRUE;
 
    gconf = egl_g3d_config(egl_g3d_find_pixmap_config(dpy, target));
@@ -1018,26 +811,33 @@ egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
    /* flush if the surface is current */
    if (ctx && ctx->DrawSurface == &gsurf->base) {
       struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-      gctx->stapi->st_flush(gctx->st_ctx,
+      gctx->stctxi->flush(gctx->stctxi,
             PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
    }
 
    psurf = get_pipe_surface(gdpy->native, nsurf, NATIVE_ATTACHMENT_FRONT_LEFT);
    if (psurf) {
       struct pipe_context pipe;
+      struct pipe_surface *psrc;
 
       /**
-       * XXX This is hacky.  If we might allow the EGLDisplay to create a pipe
-       * context of its own and use the blitter context for this.
+       * XXX This is hacky.  We should probably create a pipe context for
+       * EGLDisplay and use a blitter context for this.
        */
       memset(&pipe, 0, sizeof(pipe));
       pipe.screen = screen;
 
-      util_surface_copy(&pipe, FALSE, psurf, 0, 0,
-            gsurf->render_surface, 0, 0, psurf->width, psurf->height);
+      psrc = screen->get_tex_surface(screen, gsurf->render_texture,
+            0, 0, 0, PIPE_BUFFER_USAGE_CPU_READ);
+      if (psrc) {
+         util_surface_copy(&pipe, FALSE, 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->flush_frontbuffer(nsurf);
    }
 
    nsurf->destroy(nsurf);
@@ -1048,8 +848,16 @@ egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
 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);
-   gctx->stapi->st_finish(gctx->st_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;
 }
 
@@ -1079,10 +887,10 @@ egl_g3d_get_proc_address(_EGLDriver *drv, const char *procname)
    /* in case this is called before a display is initialized */
    egl_g3d_init_st(&gdrv->base);
 
-   for (i = 0; i < NUM_EGL_G3D_STS; i++) {
-      const struct egl_g3d_st *stapi = gdrv->stapis[i];
+   for (i = 0; i < ST_API_COUNT; i++) {
+      struct st_api *stapi = gdrv->stapis[i];
       if (stapi) {
-         proc = (_EGLProc) stapi->st_get_proc_address(procname);
+         proc = (_EGLProc) stapi->get_proc_address(stapi, procname);
          if (proc)
             return proc;
       }
@@ -1098,8 +906,8 @@ egl_g3d_bind_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
    struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
    _EGLContext *es1 = _eglGetAPIContext(EGL_OPENGL_ES_API);
    struct egl_g3d_context *gctx;
-   enum pipe_format target_format;
-   int target;
+   enum pipe_format internal_format;
+   enum st_texture_type target;
 
    if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT)
       return _eglError(EGL_BAD_SURFACE, "eglBindTexImage");
@@ -1110,10 +918,10 @@ egl_g3d_bind_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
 
    switch (gsurf->base.TextureFormat) {
    case EGL_TEXTURE_RGB:
-      target_format = PIPE_FORMAT_R8G8B8_UNORM;
+      internal_format = PIPE_FORMAT_R8G8B8_UNORM;
       break;
    case EGL_TEXTURE_RGBA:
-      target_format = PIPE_FORMAT_B8G8R8A8_UNORM;
+      internal_format = PIPE_FORMAT_B8G8R8A8_UNORM;
       break;
    default:
       return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
@@ -1129,21 +937,24 @@ egl_g3d_bind_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
 
    if (!es1)
       return EGL_TRUE;
-   if (!gsurf->render_surface)
+   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->stapi->st_flush(gctx->st_ctx,
+      gctx->stctxi->flush(gctx->stctxi,
             PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
    }
 
    gctx = egl_g3d_context(es1);
-   gctx->stapi->st_bind_texture_surface(gsurf->render_surface,
-         target, gsurf->base.MipmapLevel, target_format);
-
-   gsurf->base.BoundToTexture = EGL_TRUE;
+   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;
 }
@@ -1160,14 +971,15 @@ egl_g3d_release_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
    if (buffer != EGL_BACK_BUFFER)
       return _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage");
 
-   if (gsurf->render_surface) {
+   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->stapi->st_unbind_texture_surface(gsurf->render_surface,
-               ST_TEXTURE_2D, gsurf->base.MipmapLevel);
+      if (gctx) {
+         gctx->stctxi->teximage(gctx->stctxi, ST_TEXTURE_2D,
+               gsurf->base.MipmapLevel, PIPE_FORMAT_NONE, NULL, FALSE);
+      }
    }
 
    gsurf->base.BoundToTexture = EGL_FALSE;
@@ -1279,6 +1091,12 @@ static void
 egl_g3d_unload(_EGLDriver *drv)
 {
    struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
+   EGLint i;
+
+   for (i = 0; i < ST_API_COUNT; i++) {
+      if (gdrv->stapis[i])
+         gdrv->stapis[i]->destroy(gdrv->stapis[i]);
+   }
 
    egl_g3d_destroy_probe(drv, NULL);
    free(gdrv);
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.h b/src/gallium/state_trackers/egl/common/egl_g3d.h
index e3e55e46d3..07a87f8bc7 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d.h
+++ b/src/gallium/state_trackers/egl/common/egl_g3d.h
@@ -39,11 +39,11 @@
 #include "eglmode.h"
 
 #include "native.h"
-#include "egl_st.h"
+#include "egl_g3d_st.h"
 
 struct egl_g3d_driver {
    _EGLDriver base;
-   const struct egl_g3d_st *stapis[NUM_EGL_G3D_STS];
+   struct st_api *stapis[ST_API_COUNT];
    EGLint api_mask;
 
    EGLint probe_key;
@@ -51,35 +51,33 @@ struct egl_g3d_driver {
 
 struct egl_g3d_display {
    struct native_display *native;
-};
 
-struct egl_g3d_buffer {
-   struct st_framebuffer *st_fb;
-   uint attachment_mask;
+   struct st_manager *smapi;
 };
 
 struct egl_g3d_context {
    _EGLContext base;
 
-   const struct egl_g3d_st *stapi;
-   struct pipe_context *pipe;
+   struct st_api *stapi;
 
-   struct st_context *st_ctx;
-   EGLBoolean force_validate;
-   struct egl_g3d_buffer draw, read;
+   struct st_context_iface *stctxi;
 };
 
 struct egl_g3d_surface {
    _EGLSurface base;
+
+   struct st_visual stvis;
+   struct st_framebuffer_iface *stfbi;
+
    struct native_surface *native;
-   enum native_attachment render_att;
-   struct pipe_surface *render_surface;
+   struct pipe_texture *render_texture;
    unsigned int sequence_number;
 };
 
 struct egl_g3d_config {
    _EGLConfig base;
    const struct native_config *native;
+   struct st_visual stvis;
 };
 
 struct egl_g3d_image {
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d_st.c b/src/gallium/state_trackers/egl/common/egl_g3d_st.c
new file mode 100644
index 0000000000..36094096d3
--- /dev/null
+++ b/src/gallium/state_trackers/egl/common/egl_g3d_st.c
@@ -0,0 +1,227 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
+ */
+
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+#include "util/u_dl.h"
+#include "eglimage.h"
+#include "eglmutex.h"
+
+#include "egl_g3d.h"
+#include "egl_g3d_st.h"
+
+struct egl_g3d_st_manager {
+   struct st_manager base;
+   _EGLDisplay *display;
+};
+
+static INLINE struct egl_g3d_st_manager *
+egl_g3d_st_manager(struct st_manager *smapi)
+{
+   return (struct egl_g3d_st_manager *) smapi;
+}
+
+struct st_api *
+egl_g3d_create_st_api(enum st_api_type api)
+{
+   const char *stmod_name;
+   struct util_dl_library *lib;
+   const struct st_module *mod;
+
+   switch (api) {
+   case ST_API_OPENGL:
+      stmod_name = ST_MODULE_OPENGL_SYMBOL;
+      break;
+   case ST_API_OPENGL_ES1:
+      stmod_name = ST_MODULE_OPENGL_ES1_SYMBOL;
+      break;
+   case ST_API_OPENGL_ES2:
+      stmod_name = ST_MODULE_OPENGL_ES2_SYMBOL;
+      break;
+   case ST_API_OPENVG:
+      stmod_name = ST_MODULE_OPENVG_SYMBOL;
+      break;
+   default:
+      stmod_name = NULL;
+      break;
+   }
+   if (!stmod_name)
+      return NULL;
+
+   mod = NULL;
+   lib = util_dl_open(NULL);
+   if (lib) {
+      mod = (const struct st_module *)
+         util_dl_get_proc_address(lib, stmod_name);
+      util_dl_close(lib);
+   }
+   if (!mod || mod->api != api)
+      return NULL;
+
+   return mod->create_api();
+}
+
+struct st_manager *
+egl_g3d_create_st_manager(_EGLDisplay *dpy)
+{
+   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+   struct egl_g3d_st_manager *gsmapi;
+
+   gsmapi = CALLOC_STRUCT(egl_g3d_st_manager);
+   if (gsmapi) {
+      gsmapi->display = dpy;
+
+      gsmapi->base.screen = gdpy->native->screen;
+   }
+
+   return &gsmapi->base;;
+}
+
+void
+egl_g3d_destroy_st_manager(struct st_manager *smapi)
+{
+   struct egl_g3d_st_manager *gsmapi = egl_g3d_st_manager(smapi);
+   free(gsmapi);
+}
+
+static boolean
+egl_g3d_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
+                                   enum st_attachment_type statt)
+{
+   _EGLSurface *surf = (_EGLSurface *) stfbi->st_manager_private;
+   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
+
+   return gsurf->native->flush_frontbuffer(gsurf->native);
+}
+
+static boolean 
+egl_g3d_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
+                                const enum st_attachment_type *statts,
+                                unsigned count,
+                                struct pipe_texture **out)
+{
+   _EGLSurface *surf = (_EGLSurface *) stfbi->st_manager_private;
+   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
+   struct pipe_texture *textures[NUM_NATIVE_ATTACHMENTS];
+   uint attachment_mask = 0;
+   unsigned i;
+
+   for (i = 0; i < count; i++) {
+      int natt;
+
+      switch (statts[i]) {
+      case ST_ATTACHMENT_FRONT_LEFT:
+         natt = NATIVE_ATTACHMENT_FRONT_LEFT;
+         break;
+      case ST_ATTACHMENT_BACK_LEFT:
+         natt = NATIVE_ATTACHMENT_BACK_LEFT;
+         break;
+      case ST_ATTACHMENT_FRONT_RIGHT:
+         natt = NATIVE_ATTACHMENT_FRONT_RIGHT;
+         break;
+      case ST_ATTACHMENT_BACK_RIGHT:
+         natt = NATIVE_ATTACHMENT_BACK_RIGHT;
+      default:
+         natt = -1;
+         break;
+      }
+
+      if (natt >= 0)
+         attachment_mask |= 1 << natt;
+   }
+
+   if (!gsurf->native->validate(gsurf->native, attachment_mask,
+         &gsurf->sequence_number, textures, &gsurf->base.Width,
+         &gsurf->base.Height))
+      return FALSE;
+
+   for (i = 0; i < count; i++) {
+      struct pipe_texture *tex;
+      int natt;
+
+      switch (statts[i]) {
+      case ST_ATTACHMENT_FRONT_LEFT:
+         natt = NATIVE_ATTACHMENT_FRONT_LEFT;
+         break;
+      case ST_ATTACHMENT_BACK_LEFT:
+         natt = NATIVE_ATTACHMENT_BACK_LEFT;
+         break;
+      case ST_ATTACHMENT_FRONT_RIGHT:
+         natt = NATIVE_ATTACHMENT_FRONT_RIGHT;
+         break;
+      case ST_ATTACHMENT_BACK_RIGHT:
+         natt = NATIVE_ATTACHMENT_BACK_RIGHT;
+         break;
+      default:
+         natt = -1;
+         break;
+      }
+
+      if (natt >= 0) {
+         tex = textures[natt];
+
+         if (statts[i] == stfbi->visual->render_buffer)
+            pipe_texture_reference(&gsurf->render_texture, tex);
+
+         if (attachment_mask & (1 << natt)) {
+            /* transfer the ownership to the caller */
+            out[i] = tex;
+            attachment_mask &= ~(1 << natt);
+         }
+         else {
+            /* the attachment is listed more than once */
+            pipe_texture_reference(&out[i], tex);
+         }
+      }
+   }
+
+   return TRUE;
+}
+
+struct st_framebuffer_iface *
+egl_g3d_create_st_framebuffer(_EGLSurface *surf)
+{
+   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
+   struct st_framebuffer_iface *stfbi;
+
+   stfbi = CALLOC_STRUCT(st_framebuffer_iface);
+   if (!stfbi)
+      return NULL;
+
+   stfbi->visual = &gsurf->stvis;
+   stfbi->flush_front = egl_g3d_st_framebuffer_flush_front;
+   stfbi->validate = egl_g3d_st_framebuffer_validate;
+   stfbi->st_manager_private = (void *) &gsurf->base;
+
+   return stfbi;
+}
+
+void
+egl_g3d_destroy_st_framebuffer(struct st_framebuffer_iface *stfbi)
+{
+   free(stfbi);
+}
diff --git a/src/gallium/state_trackers/egl/common/egl_st.h b/src/gallium/state_trackers/egl/common/egl_g3d_st.h
index 8fb464bd3d..ea8b4068cd 100644
--- a/src/gallium/state_trackers/egl/common/egl_st.h
+++ b/src/gallium/state_trackers/egl/common/egl_g3d_st.h
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.8
+ * Version:  7.9
  *
- * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ * Copyright (C) 2010 LunarG Inc.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -20,54 +20,60 @@
  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
  */
 
-#ifndef _EGL_ST_H_
-#define _EGL_ST_H_
-
-#include "GL/gl.h" /* for GL types */
-#include "GL/internal/glcore.h"  /* for __GLcontextModes */
+#ifndef _EGL_G3D_ST_H_
+#define _EGL_G3D_ST_H_
 
 #include "pipe/p_compiler.h"
-#include "pipe/p_format.h"
-#include "pipe/p_context.h"
+#include "state_tracker/st_api.h"
+#include "egltypedefs.h"
 
-/* avoid calling st functions directly */
-#if 1
+struct st_api *
+egl_g3d_create_st_api(enum st_api_type api);
 
-#define ST_SURFACE_FRONT_LEFT   0
-#define ST_SURFACE_BACK_LEFT    1
-#define ST_SURFACE_FRONT_RIGHT  2
-#define ST_SURFACE_BACK_RIGHT   3
+struct st_manager *
+egl_g3d_create_st_manager(_EGLDisplay *dpy);
 
-#define ST_TEXTURE_2D    0x2
+void
+egl_g3d_destroy_st_manager(struct st_manager *smapi);
 
-struct st_context;
-struct st_framebuffer;
-typedef void (*st_proc)();
+struct st_framebuffer_iface *
+egl_g3d_create_st_framebuffer(_EGLSurface *surf);
 
-#else
-#include "state_tracker/st_public.h"
-#endif
+void
+egl_g3d_destroy_st_framebuffer(struct st_framebuffer_iface *stfbi);
 
-/* remember to update egl_g3d_get_st() when update the enums */
-enum egl_g3d_st_api {
-   EGL_G3D_ST_OPENGL_ES = 0,
-   EGL_G3D_ST_OPENVG,
-   EGL_G3D_ST_OPENGL_ES2,
-   EGL_G3D_ST_OPENGL,
-
-   NUM_EGL_G3D_STS
-};
+/**
+ * Return the EGL_<api>_BIT of the st api.
+ */
+static INLINE int
+egl_g3d_st_api_bit(enum st_api_type api)
+{
+   int bit;
 
-struct egl_g3d_st {
-#define ST_PUBLIC(name, ret, ...) ret (*name)(__VA_ARGS__);
-#include "st_public_tmp.h"
-   /* fields must be added here */
-   EGLint api_bit;
-};
+   switch (api) {
+   case ST_API_OPENGL:
+      bit = EGL_OPENGL_BIT;
+      break;
+   case ST_API_OPENGL_ES1:
+      bit = EGL_OPENGL_ES_BIT;
+      break;
+   case ST_API_OPENGL_ES2:
+      bit = EGL_OPENGL_ES2_BIT;
+      break;
+   case ST_API_OPENVG:
+      bit = EGL_OPENVG_BIT;
+      break;
+   default:
+      bit = 0;
+      break;
+   }
 
-const struct egl_g3d_st *
-egl_g3d_get_st(enum egl_g3d_st_api api);
+   return bit;
+}
 
-#endif /* _EGL_ST_H_ */
+#endif /* _EGL_G3D_ST_H_ */
diff --git a/src/gallium/state_trackers/egl/common/egl_st.c b/src/gallium/state_trackers/egl/common/egl_st.c
deleted file mode 100644
index a88ff911cd..0000000000
--- a/src/gallium/state_trackers/egl/common/egl_st.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version:  7.8
- *
- * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <dlfcn.h>
-#include "pipe/p_compiler.h"
-#include "util/u_memory.h"
-#include "egllog.h"
-#include "EGL/egl.h" /* for EGL_api_BIT */
-
-#include "egl_st.h"
-
-#ifndef HAVE_DLADDR
-#define HAVE_DLADDR 1
-#endif
-
-#if HAVE_DLADDR
-
-static const char *
-egl_g3d_st_names[] = {
-#define ST_PUBLIC(name, ...) #name,
-#include "st_public_tmp.h"
-   NULL
-};
-
-static boolean
-egl_g3d_fill_st(struct egl_g3d_st *stapi, void *sym)
-{
-   st_proc *procs = (st_proc *) stapi;
-   void *handle;
-   Dl_info info;
-   const char **name;
-
-   if (!dladdr(sym, &info))
-      return FALSE;
-   handle = dlopen(info.dli_fname, RTLD_LAZY | RTLD_LOCAL | RTLD_NODELETE);
-   if (!handle)
-      return FALSE;
-
-   for (name = egl_g3d_st_names; *name; name++) {
-      st_proc proc = (st_proc) dlsym(handle, *name);
-      if (!proc) {
-         _eglLog(_EGL_WARNING, "%s is missing in %s", *name, info.dli_fname);
-         memset(stapi, 0, sizeof(*stapi));
-         dlclose(handle);
-         return FALSE;
-      }
-      *procs++ = proc;
-   }
-
-   dlclose(handle);
-   return TRUE;
-}
-
-#else /* HAVE_DLADDR */
-
-static boolean
-egl_g3d_fill_st(struct egl_g3d_st *stapi, void *sym)
-{
-#define ST_PUBLIC(name, ...) stapi->name = name;
-#include "st_public_tmp.h"
-   return TRUE;
-}
-
-#endif /* HAVE_DLADDR */
-
-static boolean
-egl_g3d_init_st(struct egl_g3d_st *stapi, const char *api)
-{
-   void *handle, *sym;
-   boolean res = FALSE;
-
-   /* already initialized */
-   if (stapi->st_notify_swapbuffers != NULL)
-      return TRUE;
-
-   handle = dlopen(NULL, RTLD_LAZY | RTLD_LOCAL);
-   if (!handle)
-      return FALSE;
-
-   sym = dlsym(handle, api);
-   if (sym && egl_g3d_fill_st(stapi, sym))
-      res = TRUE;
-
-   dlclose(handle);
-   return res;
-}
-
-static struct {
-   const char *symbol;
-   EGLint api_bit;
-} egl_g3d_st_info[NUM_EGL_G3D_STS] = {
-   { "st_api_OpenGL_ES1",  EGL_OPENGL_ES_BIT },
-   { "st_api_OpenVG",      EGL_OPENVG_BIT },
-   { "st_api_OpenGL_ES2",  EGL_OPENGL_ES2_BIT },
-   { "st_api_OpenGL",      EGL_OPENGL_BIT },
-};
-
-const struct egl_g3d_st *
-egl_g3d_get_st(enum egl_g3d_st_api api)
-{
-   static struct egl_g3d_st all_trackers[NUM_EGL_G3D_STS];
-
-   if (egl_g3d_init_st(&all_trackers[api], egl_g3d_st_info[api].symbol)) {
-      all_trackers[api].api_bit = egl_g3d_st_info[api].api_bit;
-      return &all_trackers[api];
-   }
-   else {
-      return NULL;
-   }
-}
diff --git a/src/gallium/state_trackers/egl/common/st_public_tmp.h b/src/gallium/state_trackers/egl/common/st_public_tmp.h
deleted file mode 100644
index 562dd68c15..0000000000
--- a/src/gallium/state_trackers/egl/common/st_public_tmp.h
+++ /dev/null
@@ -1,20 +0,0 @@
-ST_PUBLIC(st_create_context,              struct st_context *,       struct pipe_context *pipe, const __GLcontextModes *visual, struct st_context *share)
-ST_PUBLIC(st_destroy_context,             void,                      struct st_context *st)
-ST_PUBLIC(st_copy_context_state,          void,                      struct st_context *dst, struct st_context *src, uint mask)
-ST_PUBLIC(st_create_framebuffer,          struct st_framebuffer *,   const __GLcontextModes *visual, enum pipe_format colorFormat, enum pipe_format depthFormat, enum pipe_format stencilFormat, uint width, uint height, void *privateData)
-ST_PUBLIC(st_resize_framebuffer,          void,                      struct st_framebuffer *stfb, uint width, uint height)
-ST_PUBLIC(st_set_framebuffer_surface,     void,                      struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface *surf)
-ST_PUBLIC(st_get_framebuffer_dimensions,  void,                      struct st_framebuffer *stfb, uint *width, uint *height)
-ST_PUBLIC(st_get_framebuffer_surface,     int,                       struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface **surface)
-ST_PUBLIC(st_get_framebuffer_texture,     int,                       struct st_framebuffer *stfb, uint surfIndex, struct pipe_texture **texture)
-ST_PUBLIC(st_framebuffer_private,         void *,                    struct st_framebuffer *stfb)
-ST_PUBLIC(st_unreference_framebuffer,     void,                      struct st_framebuffer *stfb)
-ST_PUBLIC(st_make_current,                GLboolean,                 struct st_context *st, struct st_framebuffer *draw, struct st_framebuffer *read, void *winsys_drawable_handle)
-ST_PUBLIC(st_get_current,                 struct st_context *,       void)
-ST_PUBLIC(st_flush,                       void,                      struct st_context *st, uint pipeFlushFlags, struct pipe_fence_handle **fence)
-ST_PUBLIC(st_finish,                      void,                      struct st_context *st)
-ST_PUBLIC(st_notify_swapbuffers,          void,                      struct st_framebuffer *stfb)
-ST_PUBLIC(st_bind_texture_surface,        int,                       struct pipe_surface *ps, int target, int level, enum pipe_format format)
-ST_PUBLIC(st_unbind_texture_surface,      int,                       struct pipe_surface *ps, int target, int level)
-ST_PUBLIC(st_get_proc_address,            st_proc,                   const char *procname)
-#undef ST_PUBLIC