X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=blobdiff_plain;f=src%2Fgallium%2Fstate_trackers%2Fegl%2Fcommon%2Fegl_g3d.c;h=3ab72dce2f3c126d3432208e99e276c468c33db7;hp=6c8f3b9f79cd5c30dc3868f2acb5efa93e3b467e;hb=1318848f782cce716d6376ca13aebf68b728e24c;hpb=bee9964b29b2428ee75e2d1efc0e1d2c2518a417

diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.c b/src/gallium/state_trackers/egl/common/egl_g3d.c
index 6c8f3b9f79c..3ab72dce2f3 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d.c
@@ -14,274 +14,28 @@
  * 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,
+ * 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 <assert.h>
-#include <string.h>
-#include "pipe/p_screen.h"
-#include "util/u_memory.h"
-#include "util/u_rect.h"
 #include "egldriver.h"
 #include "eglcurrent.h"
-#include "eglconfigutil.h"
 #include "egllog.h"
 
-#include "native.h"
-#include "egl_g3d.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 *
-egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx)
-{
-   struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
-   const struct egl_g3d_st *stapi;
-   EGLint idx = -1;
-
-   switch (ctx->ClientAPI) {
-   case EGL_OPENGL_ES_API:
-      switch (ctx->ClientVersion) {
-      case 1:
-         idx = EGL_G3D_ST_OPENGL_ES;
-         break;
-      case 2:
-         idx = EGL_G3D_ST_OPENGL_ES2;
-         break;
-      default:
-         _eglLog(_EGL_WARNING, "unknown client version %d",
-               ctx->ClientVersion);
-         break;
-      }
-      break;
-   case EGL_OPENVG_API:
-      idx = EGL_G3D_ST_OPENVG;
-      break;
-   case EGL_OPENGL_API:
-      idx = EGL_G3D_ST_OPENGL;
-      break;
-   default:
-      _eglLog(_EGL_WARNING, "unknown client API 0x%04x", ctx->ClientAPI);
-      break;
-   }
+#include "pipe/p_screen.h"
+#include "util/u_memory.h"
+#include "util/u_format.h"
+#include "util/u_string.h"
 
-   stapi = (idx >= 0) ? gdrv->stapis[idx] : NULL;
-   return stapi;
-}
+#include "egl_g3d.h"
+#include "egl_g3d_api.h"
+#include "egl_g3d_st.h"
+#include "native.h"
 
 /**
  * Initialize the state trackers.
@@ -296,10 +50,10 @@ 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)
@@ -348,35 +102,6 @@ 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
@@ -390,7 +115,7 @@ egl_g3d_add_screens(_EGLDriver *drv, _EGLDisplay *dpy)
       gdpy->native->modeset->get_connectors(gdpy->native, &num_connectors, NULL);
    if (!num_connectors) {
       if (native_connectors)
-         free(native_connectors);
+         FREE(native_connectors);
       return;
    }
 
@@ -405,13 +130,13 @@ egl_g3d_add_screens(_EGLDriver *drv, _EGLDisplay *dpy)
          gdpy->native->modeset->get_modes(gdpy->native, nconn, &num_modes);
       if (!num_modes) {
          if (native_modes)
-            free(native_modes);
+            FREE(native_modes);
          continue;
       }
 
       gscr = CALLOC_STRUCT(egl_g3d_screen);
       if (!gscr) {
-         free(native_modes);
+         FREE(native_modes);
          continue;
       }
 
@@ -435,629 +160,370 @@ egl_g3d_add_screens(_EGLDriver *drv, _EGLDisplay *dpy)
       _eglAddScreen(dpy, &gscr->base);
    }
 
-   free(native_connectors);
+   FREE(native_connectors);
 }
 
 #endif /* EGL_MESA_screen_surface */
 
 /**
- * Add configs to display and return the next config ID.
+ * Initialize and validate the EGL config attributes.
  */
-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);
-   if (!num_configs) {
-      if (native_configs)
-         free(native_configs);
-      return 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, 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);
-         }
-#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++;
-   }
-
-   free(native_configs);
-   return id;
-}
-
-/**
- * Flush the front buffer of the context's draw surface.
- */
-static void
-egl_g3d_flush_frontbuffer(struct pipe_screen *screen,
-                          struct pipe_surface *surf, void *context_private)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(context_private);
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(gctx->base.DrawSurface);
-
-   if (gsurf)
-      gsurf->native->flush_frontbuffer(gsurf->native);
-}
-
-/**
- * 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);
-
-   /**
-    * It is likely that the surface has changed when this function is called.
-    * Set force_validate to skip an unnecessary check.
-    */
-   gctx->force_validate = EGL_TRUE;
-   egl_g3d_validate_context(gctx->base.Resource.Display, &gctx->base);
-}
-
 static EGLBoolean
-egl_g3d_terminate(_EGLDriver *drv, _EGLDisplay *dpy)
+init_config_attributes(_EGLConfig *conf, const struct native_config *nconf,
+                       EGLint api_mask, enum pipe_format depth_stencil_format)
 {
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+   uint rgba[4], depth_stencil[2], buffer_size;
+   EGLint surface_type;
    EGLint i;
 
-   _eglReleaseDisplayResources(drv, dpy);
-   _eglCleanupDisplay(dpy);
-
-   if (dpy->Screens) {
-      for (i = 0; i < dpy->NumScreens; i++) {
-         struct egl_g3d_screen *gscr = egl_g3d_screen(dpy->Screens[i]);
-         free(gscr->native_modes);
-         free(gscr);
+   /* get the color and depth/stencil component sizes */
+   assert(nconf->color_format != PIPE_FORMAT_NONE);
+   buffer_size = 0;
+   for (i = 0; i < 4; i++) {
+      rgba[i] = util_format_get_component_bits(nconf->color_format,
+            UTIL_FORMAT_COLORSPACE_RGB, i);
+      buffer_size += rgba[i];
+   }
+   for (i = 0; i < 2; i++) {
+      if (depth_stencil_format != PIPE_FORMAT_NONE) {
+         depth_stencil[i] =
+            util_format_get_component_bits(depth_stencil_format,
+               UTIL_FORMAT_COLORSPACE_ZS, i);
+      }
+      else {
+         depth_stencil[i] = 0;
       }
-      free(dpy->Screens);
    }
 
-   if (gdpy->native)
-      gdpy->native->destroy(gdpy->native);
-
-   free(gdpy);
-   dpy->DriverData = NULL;
-
-   return EGL_TRUE;
-}
-
-static EGLBoolean
-egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy,
-                   EGLint *major, EGLint *minor)
-{
-   struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
-   struct egl_g3d_display *gdpy;
-
-   /* the probe object is unlikely to be needed again */
-   egl_g3d_destroy_probe(drv, dpy);
+   surface_type = 0x0;
+   if (nconf->window_bit)
+      surface_type |= EGL_WINDOW_BIT;
+   if (nconf->pixmap_bit)
+      surface_type |= EGL_PIXMAP_BIT;
+#ifdef EGL_MESA_screen_surface
+   if (nconf->scanout_bit)
+      surface_type |= EGL_SCREEN_BIT_MESA;
+#endif
 
-   gdpy = CALLOC_STRUCT(egl_g3d_display);
-   if (!gdpy) {
-      _eglError(EGL_BAD_ALLOC, "eglInitialize");
-      goto fail;
-   }
-   dpy->DriverData = gdpy;
+   if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_BACK_LEFT))
+      surface_type |= EGL_PBUFFER_BIT;
 
-   gdpy->native = native_create_display(dpy->NativeDisplay);
-   if (!gdpy->native) {
-      _eglError(EGL_NOT_INITIALIZED, "eglInitialize(no usable display)");
-      goto fail;
-   }
+   SET_CONFIG_ATTRIB(conf, EGL_CONFORMANT, api_mask);
+   SET_CONFIG_ATTRIB(conf, EGL_RENDERABLE_TYPE, api_mask);
 
-   gdpy->native->screen->flush_frontbuffer = egl_g3d_flush_frontbuffer;
-   gdpy->native->screen->update_buffer = egl_g3d_update_buffer;
+   SET_CONFIG_ATTRIB(conf, EGL_RED_SIZE, rgba[0]);
+   SET_CONFIG_ATTRIB(conf, EGL_GREEN_SIZE, rgba[1]);
+   SET_CONFIG_ATTRIB(conf, EGL_BLUE_SIZE, rgba[2]);
+   SET_CONFIG_ATTRIB(conf, EGL_ALPHA_SIZE, rgba[3]);
+   SET_CONFIG_ATTRIB(conf, EGL_BUFFER_SIZE, buffer_size);
 
-   egl_g3d_init_st(&gdrv->base);
-   dpy->ClientAPIsMask = gdrv->api_mask;
+   SET_CONFIG_ATTRIB(conf, EGL_DEPTH_SIZE, depth_stencil[0]);
+   SET_CONFIG_ATTRIB(conf, EGL_STENCIL_SIZE, depth_stencil[1]);
 
-   if (egl_g3d_add_configs(drv, dpy, 1) == 1) {
-      _eglError(EGL_NOT_INITIALIZED, "eglInitialize(unable to add configs)");
-      goto fail;
-   }
+   SET_CONFIG_ATTRIB(conf, EGL_SURFACE_TYPE, surface_type);
 
-#ifdef EGL_MESA_screen_surface
-   /* enable MESA_screen_surface */
-   if (gdpy->native->modeset) {
-      dpy->Extensions.MESA_screen_surface = EGL_TRUE;
-      egl_g3d_add_screens(drv, dpy);
+   SET_CONFIG_ATTRIB(conf, EGL_NATIVE_RENDERABLE, EGL_TRUE);
+   if (surface_type & EGL_WINDOW_BIT) {
+      SET_CONFIG_ATTRIB(conf, EGL_NATIVE_VISUAL_ID, nconf->native_visual_id);
+      SET_CONFIG_ATTRIB(conf, EGL_NATIVE_VISUAL_TYPE,
+            nconf->native_visual_type);
    }
-#endif
-
-   *major = 1;
-   *minor = 4;
 
-   return EGL_TRUE;
-
-fail:
-   if (gdpy)
-      egl_g3d_terminate(drv, dpy);
-   return EGL_FALSE;
-}
+   if (surface_type & EGL_PBUFFER_BIT) {
+      SET_CONFIG_ATTRIB(conf, EGL_BIND_TO_TEXTURE_RGB, EGL_TRUE);
+      if (rgba[3])
+         SET_CONFIG_ATTRIB(conf, EGL_BIND_TO_TEXTURE_RGBA, EGL_TRUE);
 
-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;
-   const __GLcontextModes *mode;
-
-   gctx = CALLOC_STRUCT(egl_g3d_context);
-   if (!gctx) {
-      _eglError(EGL_BAD_ALLOC, "eglCreateContext");
-      return NULL;
+      SET_CONFIG_ATTRIB(conf, EGL_MAX_PBUFFER_WIDTH, 4096);
+      SET_CONFIG_ATTRIB(conf, EGL_MAX_PBUFFER_HEIGHT, 4096);
+      SET_CONFIG_ATTRIB(conf, EGL_MAX_PBUFFER_PIXELS, 4096 * 4096);
    }
 
-   if (!_eglInitContext(drv, &gctx->base, conf, attribs)) {
-      free(gctx);
-      return NULL;
-   }
+   SET_CONFIG_ATTRIB(conf, EGL_LEVEL, nconf->level);
+   SET_CONFIG_ATTRIB(conf, EGL_SAMPLES, nconf->samples);
+   SET_CONFIG_ATTRIB(conf, EGL_SAMPLE_BUFFERS, 1);
 
-   gctx->stapi = egl_g3d_choose_st(drv, &gctx->base);
-   if (!gctx->stapi) {
-      free(gctx);
-      return NULL;
-   }
+   if (nconf->slow_config)
+      SET_CONFIG_ATTRIB(conf, EGL_CONFIG_CAVEAT, EGL_SLOW_CONFIG);
 
-   mode = &gconf->native->mode;
-   gctx->pipe =
-      gdpy->native->create_context(gdpy->native, (void *) &gctx->base);
-   if (!gctx->pipe) {
-      free(gctx);
-      return NULL;
-   }
+   if (nconf->transparent_rgb) {
+      rgba[0] = nconf->transparent_rgb_values[0];
+      rgba[1] = nconf->transparent_rgb_values[1];
+      rgba[2] = nconf->transparent_rgb_values[2];
 
-   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;
+      SET_CONFIG_ATTRIB(conf, EGL_TRANSPARENT_TYPE, EGL_TRANSPARENT_RGB);
+      SET_CONFIG_ATTRIB(conf, EGL_TRANSPARENT_RED_VALUE, rgba[0]);
+      SET_CONFIG_ATTRIB(conf, EGL_TRANSPARENT_GREEN_VALUE, rgba[1]);
+      SET_CONFIG_ATTRIB(conf, EGL_TRANSPARENT_BLUE_VALUE, rgba[2]);
    }
 
-   return &gctx->base;
+   return _eglValidateConfig(conf, EGL_FALSE);
 }
 
 /**
- * Destroy a context.
+ * Initialize an EGL config from the native config.
  */
-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");
-
-   egl_g3d_realloc_context(dpy, &gctx->base);
-   /* it will destroy the associated pipe context */
-   gctx->stapi->st_destroy_context(gctx->st_ctx);
-
-   free(gctx);
-}
-
-static EGLBoolean
-egl_g3d_destroy_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
-{
-   if (!_eglIsContextBound(ctx))
-      destroy_context(dpy, ctx);
-   return EGL_TRUE;
-}
-
 static EGLBoolean
-init_surface_geometry(_EGLSurface *surf)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-
-   return gsurf->native->validate(gsurf->native, 0x0,
-         &gsurf->sequence_number, NULL,
-         &gsurf->base.Width, &gsurf->base.Height);
-}
-
-static _EGLSurface *
-egl_g3d_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                              _EGLConfig *conf, EGLNativeWindowType win,
-                              const EGLint *attribs)
+egl_g3d_init_config(_EGLDriver *drv, _EGLDisplay *dpy,
+                    _EGLConfig *conf, const struct native_config *nconf,
+                    enum pipe_format depth_stencil_format)
 {
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   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, "eglCreateWindowSurface");
-      return NULL;
-   }
-
-   if (!_eglInitSurface(drv, &gsurf->base, EGL_WINDOW_BIT, conf, attribs)) {
-      free(gsurf);
-      return NULL;
-   }
-
-   gsurf->native =
-      gdpy->native->create_window_surface(gdpy->native, win, gconf->native);
-   if (!gsurf->native) {
-      free(gsurf);
-      return NULL;
-   }
-
-   if (!init_surface_geometry(&gsurf->base)) {
-      gsurf->native->destroy(gsurf->native);
-      free(gsurf);
-      return NULL;
-   }
-
-   gsurf->render_att = (gsurf->base.RenderBuffer == EGL_SINGLE_BUFFER ||
-                        !gconf->native->mode.doubleBufferMode) ?
-      NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT;
-
-   return &gsurf->base;
-}
-
-static _EGLSurface *
-egl_g3d_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                              _EGLConfig *conf, EGLNativePixmapType pix,
-                              const EGLint *attribs)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+   struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
    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, "eglCreatePixmapSurface");
-      return NULL;
-   }
+   EGLint buffer_mask, api_mask;
+   EGLBoolean valid;
+   EGLint i;
 
-   if (!_eglInitSurface(drv, &gsurf->base, EGL_PIXMAP_BIT, conf, attribs)) {
-      free(gsurf);
-      return NULL;
+   buffer_mask = 0x0;
+   if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_FRONT_LEFT))
+      buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
+   if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_BACK_LEFT))
+      buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
+   if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_FRONT_RIGHT))
+      buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
+   if (nconf->buffer_mask & (1 << NATIVE_ATTACHMENT_BACK_RIGHT))
+      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 = depth_stencil_format;
+   gconf->stvis.accum_format = PIPE_FORMAT_NONE;
+   gconf->stvis.samples = nconf->samples;
+
+   gconf->stvis.render_buffer = (buffer_mask & ST_ATTACHMENT_BACK_LEFT_MASK) ?
+      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 (nconf->window_bit &&
+       gconf->stvis.render_buffer != ST_ATTACHMENT_BACK_LEFT)
+      api_mask &= ~(EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT);
 
-   gsurf->native =
-      gdpy->native->create_pixmap_surface(gdpy->native, pix, gconf->native);
-   if (!gsurf->native) {
-      free(gsurf);
-      return NULL;
+   if (!api_mask) {
+      _eglLog(_EGL_DEBUG, "no state tracker supports config 0x%x",
+            nconf->native_visual_id);
    }
 
-   if (!init_surface_geometry(&gsurf->base)) {
-      gsurf->native->destroy(gsurf->native);
-      free(gsurf);
-      return NULL;
+   valid = init_config_attributes(&gconf->base,
+         nconf, api_mask, depth_stencil_format);
+   if (!valid) {
+      _eglLog(_EGL_DEBUG, "skip invalid config 0x%x", nconf->native_visual_id);
+      return EGL_FALSE;
    }
 
-   gsurf->render_att = NATIVE_ATTACHMENT_FRONT_LEFT;
+   gconf->native = nconf;
 
-   return &gsurf->base;
+   return EGL_TRUE;
 }
 
-static _EGLSurface *
-egl_g3d_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                               _EGLConfig *conf, const EGLint *attribs)
+/**
+ * Get all interested depth/stencil formats of a display.
+ */
+static EGLint
+egl_g3d_fill_depth_stencil_formats(_EGLDisplay *dpy,
+                                   enum pipe_format formats[8])
 {
    struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_config *gconf = egl_g3d_config(conf);
-   struct egl_g3d_surface *gsurf;
+   struct pipe_screen *screen = gdpy->native->screen;
+   const EGLint candidates[] = {
+      1, PIPE_FORMAT_Z16_UNORM,
+      1, PIPE_FORMAT_Z32_UNORM,
+      2, PIPE_FORMAT_Z24_UNORM_S8_USCALED, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
+      2, PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
+      0
+   };
+   const EGLint *fmt = candidates;
+   EGLint count;
 
-   gsurf = CALLOC_STRUCT(egl_g3d_surface);
-   if (!gsurf) {
-      _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface");
-      return NULL;
-   }
+   count = 0;
+   formats[count++] = PIPE_FORMAT_NONE;
 
-   if (!_eglInitSurface(drv, &gsurf->base, EGL_PBUFFER_BIT, conf, attribs)) {
-      free(gsurf);
-      return NULL;
-   }
+   while (*fmt) {
+      EGLint i, n = *fmt++;
 
-   gsurf->native =
-      gdpy->native->create_pbuffer_surface(gdpy->native, gconf->native,
-            gsurf->base.Width, gsurf->base.Height);
-   if (!gsurf->native) {
-      free(gsurf);
-      return NULL;
-   }
+      /* pick the first supported format */
+      for (i = 0; i < n; i++) {
+         if (screen->is_format_supported(screen, fmt[i],
+                  PIPE_TEXTURE_2D, PIPE_BIND_DEPTH_STENCIL, 0)) {
+            formats[count++] = fmt[i];
+            break;
+         }
+      }
 
-   if (!init_surface_geometry(&gsurf->base)) {
-      gsurf->native->destroy(gsurf->native);
-      free(gsurf);
-      return NULL;
+      fmt += n;
    }
 
-   gsurf->render_att = (!gconf->native->mode.doubleBufferMode) ?
-      NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT;
-
-   return &gsurf->base;
+   return count;
 }
 
 /**
- * Destroy a surface.
+ * Add configs to display and return the next config ID.
  */
-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_surface_reference(&gsurf->render_surface, NULL);
-   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)
+static EGLint
+egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id)
 {
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   struct egl_g3d_surface *gdraw = egl_g3d_surface(draw);
-   struct egl_g3d_context *old_gctx;
-   EGLBoolean ok = EGL_TRUE;
+   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+   const struct native_config **native_configs;
+   enum pipe_format depth_stencil_formats[8];
+   int num_formats, num_configs, i, j;
 
-   /* 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->stapi->st_flush(old_gctx->st_ctx,
-            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.
-       */
+   native_configs = gdpy->native->get_configs(gdpy->native, &num_configs);
+   if (!num_configs) {
+      if (native_configs)
+         FREE(native_configs);
+      return id;
    }
 
-   if (gctx) {
-      ok = egl_g3d_realloc_context(dpy, &gctx->base);
-      if (ok) {
-         ok = gctx->stapi->st_make_current(gctx->st_ctx,
-               gctx->draw.st_fb, gctx->read.st_fb);
-         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;
+   num_formats = egl_g3d_fill_depth_stencil_formats(dpy,
+         depth_stencil_formats);
+
+   for (i = 0; i < num_configs; i++) {
+      for (j = 0; j < num_formats; j++) {
+         struct egl_g3d_config *gconf;
+
+         gconf = CALLOC_STRUCT(egl_g3d_config);
+         if (gconf) {
+            _eglInitConfig(&gconf->base, dpy, id);
+            if (!egl_g3d_init_config(drv, dpy, &gconf->base,
+                     native_configs[i], depth_stencil_formats[j])) {
+               FREE(gconf);
+               break;
             }
+
+            _eglAddConfig(dpy, &gconf->base);
+            id++;
          }
       }
    }
-   else if (old_gctx) {
-      ok = old_gctx->stapi->st_make_current(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;
+   FREE(native_configs);
+   return id;
 }
 
-static EGLBoolean
-egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
+static void
+egl_g3d_invalid_surface(struct native_display *ndpy,
+                        struct native_surface *nsurf,
+                        unsigned int seq_num)
 {
-   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->render_att == NATIVE_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);
-
+   /* XXX not thread safe? */
+   struct egl_g3d_surface *gsurf = egl_g3d_surface(nsurf->user_data);
+   struct egl_g3d_context *gctx;
+   
    /*
-    * We drew on the back buffer, unless there was no back buffer.
-    * In that case, we drew on the front buffer.  Either case, we call
-    * swap_buffers.
+    * Some functions such as egl_g3d_copy_buffers create a temporary native
+    * surface.  There is no gsurf associated with it.
     */
-   if (!gsurf->native->swap_buffers(gsurf->native))
-      return EGL_FALSE;
-
-   if (gctx) {
-      struct egl_g3d_config *gconf = egl_g3d_config(gsurf->base.Config);
-
-      /* force validation if the swap method is not copy */
-      if (gconf->native->mode.swapMethod != GLX_SWAP_COPY_OML) {
-         gctx->force_validate = EGL_TRUE;
-         egl_g3d_validate_context(dpy, &gctx->base);
-      }
-   }
-
-   return EGL_TRUE;
+   gctx = (gsurf) ? egl_g3d_context(gsurf->base.CurrentContext) : NULL;
+   if (gctx)
+      gctx->stctxi->notify_invalid_framebuffer(gctx->stctxi, gsurf->stfbi);
 }
 
-/**
- * Find a config that supports the pixmap.
- */
-static _EGLConfig *
-find_pixmap_config(_EGLDisplay *dpy, EGLNativePixmapType pix)
+static struct native_event_handler egl_g3d_native_event_handler = {
+   .invalid_surface = egl_g3d_invalid_surface
+};
+
+static EGLBoolean
+egl_g3d_terminate(_EGLDriver *drv, _EGLDisplay *dpy)
 {
    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;
-   }
+   _eglReleaseDisplayResources(drv, dpy);
+   _eglCleanupDisplay(dpy);
 
-   return (i < dpy->NumConfigs) ? &gconf->base : NULL;
-}
+   if (gdpy->pipe)
+      gdpy->pipe->destroy(gdpy->pipe);
 
-/**
- * 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)
-{
-   struct pipe_texture *textures[NUM_NATIVE_ATTACHMENTS];
-   struct pipe_surface *psurf;
+   if (dpy->Screens) {
+      for (i = 0; i < dpy->NumScreens; i++) {
+         struct egl_g3d_screen *gscr = egl_g3d_screen(dpy->Screens[i]);
+         FREE(gscr->native_modes);
+         FREE(gscr);
+      }
+      FREE(dpy->Screens);
+   }
 
-   textures[natt] = NULL;
-   nsurf->validate(nsurf, 1 << natt, NULL, textures, NULL, NULL);
-   if (!textures[natt])
-      return NULL;
+   if (gdpy->smapi)
+      egl_g3d_destroy_st_manager(gdpy->smapi);
 
-   psurf = ndpy->screen->get_tex_surface(ndpy->screen, textures[natt],
-         0, 0, 0, PIPE_BUFFER_USAGE_CPU_WRITE);
-   pipe_texture_reference(&textures[natt], NULL);
+   if (gdpy->native)
+      gdpy->native->destroy(gdpy->native);
+
+   FREE(gdpy);
+   dpy->DriverData = NULL;
 
-   return psurf;
+   return EGL_TRUE;
 }
 
 static EGLBoolean
-egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
-                     EGLNativePixmapType target)
+egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy,
+                   EGLint *major, EGLint *minor)
 {
-   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_surface)
-      return EGL_TRUE;
-
-   gconf = egl_g3d_config(find_pixmap_config(dpy, target));
-   if (!gconf)
-      return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglCopyBuffers");
+   struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
+   struct egl_g3d_display *gdpy;
 
-   nsurf = gdpy->native->create_pixmap_surface(gdpy->native,
-         target, gconf->native);
-   if (!nsurf)
-      return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglCopyBuffers");
+   /* the probe object is unlikely to be needed again */
+   egl_g3d_destroy_probe(drv, dpy);
 
-   /* 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,
-            PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
+   gdpy = CALLOC_STRUCT(egl_g3d_display);
+   if (!gdpy) {
+      _eglError(EGL_BAD_ALLOC, "eglInitialize");
+      goto fail;
    }
+   dpy->DriverData = gdpy;
 
-   psurf = get_pipe_surface(gdpy->native, nsurf, NATIVE_ATTACHMENT_FRONT_LEFT);
-   if (psurf) {
-      struct pipe_context pipe;
-
-      /**
-       * 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.
-       */
-      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);
-
-      pipe_surface_reference(&psurf, NULL);
-      nsurf->flush_frontbuffer(nsurf);
+   gdpy->native = native_create_display(dpy->NativeDisplay,
+         &egl_g3d_native_event_handler);
+   if (!gdpy->native) {
+      _eglError(EGL_NOT_INITIALIZED, "eglInitialize(no usable display)");
+      goto fail;
    }
 
-   nsurf->destroy(nsurf);
+   gdpy->native->user_data = (void *) dpy;
 
-   return EGL_TRUE;
-}
+   egl_g3d_init_st(&gdrv->base);
+   dpy->ClientAPIsMask = gdrv->api_mask;
 
-static EGLBoolean
-egl_g3d_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   gctx->stapi->st_finish(gctx->st_ctx);
-   return EGL_TRUE;
-}
+   gdpy->smapi = egl_g3d_create_st_manager(dpy);
+   if (!gdpy->smapi) {
+      _eglError(EGL_NOT_INITIALIZED,
+            "eglInitialize(failed to create st manager)");
+      goto fail;
+   }
 
-static EGLBoolean
-egl_g3d_wait_native(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine)
-{
-   _EGLContext *ctx = _eglGetCurrentContext();
+#ifdef EGL_MESA_screen_surface
+   /* enable MESA_screen_surface before adding (and validating) configs */
+   if (gdpy->native->modeset) {
+      dpy->Extensions.MESA_screen_surface = EGL_TRUE;
+      egl_g3d_add_screens(drv, dpy);
+   }
+#endif
 
-   if (engine != EGL_CORE_NATIVE_ENGINE)
-      return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
+   dpy->Extensions.KHR_image_base = EGL_TRUE;
+   if (gdpy->native->get_param(gdpy->native, NATIVE_PARAM_USE_NATIVE_BUFFER))
+      dpy->Extensions.KHR_image_pixmap = EGL_TRUE;
 
-   if (ctx && ctx->DrawSurface) {
-      struct egl_g3d_surface *gsurf = egl_g3d_surface(ctx->DrawSurface);
-      gsurf->native->wait(gsurf->native);
+   if (egl_g3d_add_configs(drv, dpy, 1) == 1) {
+      _eglError(EGL_NOT_INITIALIZED, "eglInitialize(unable to add configs)");
+      goto fail;
    }
 
+   *major = 1;
+   *minor = 4;
+
    return EGL_TRUE;
+
+fail:
+   if (gdpy)
+      egl_g3d_terminate(drv, dpy);
+   return EGL_FALSE;
 }
 
 static _EGLProc
@@ -1070,10 +536,10 @@ 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;
       }
@@ -1082,181 +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 *ctx = _eglGetAPIContext(EGL_OPENGL_ES_API);
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   enum pipe_format target_format;
-   int 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:
-      target_format = PIPE_FORMAT_R8G8B8_UNORM;
-      break;
-   case EGL_TEXTURE_RGBA:
-      target_format = PIPE_FORMAT_A8R8G8B8_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");
-   }
-
-   /* 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,
-            PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
-   }
-
-   if (gctx) {
-      if (!gsurf->render_surface)
-         return EGL_FALSE;
-
-      gctx->stapi->st_bind_texture_surface(gsurf->render_surface,
-            target, gsurf->base.MipmapLevel, target_format);
-      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_surface) {
-      _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);
-   }
-
-   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_display *gdpy = egl_g3d_display(dpy);
-   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(drv, &gsurf->base,
-            EGL_SCREEN_BIT_MESA, conf, attribs)) {
-      free(gsurf);
-      return NULL;
-   }
-
-   gsurf->native =
-      gdpy->native->modeset->create_scanout_surface(gdpy->native,
-            gconf->native, gsurf->base.Width, gsurf->base.Height);
-   if (!gsurf->native) {
-      free(gsurf);
-      return NULL;
-   }
-
-   gsurf->render_att = (!gconf->native->mode.doubleBufferMode) ?
-      NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT;
-
-   return &gsurf->base;
-}
-
-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)
 {
@@ -1290,9 +581,15 @@ 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);
+   FREE(gdrv);
 }
 
 _EGLDriver *
@@ -1301,38 +598,18 @@ _eglMain(const char *args)
    static char driver_name[64];
    struct egl_g3d_driver *gdrv;
 
-   snprintf(driver_name, sizeof(driver_name),
+   util_snprintf(driver_name, sizeof(driver_name),
          "Gallium/%s", native_get_name());
 
    gdrv = CALLOC_STRUCT(egl_g3d_driver);
    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;
-
-#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;