st/egl: Remove.
[mesa.git] / src / gallium / state_trackers / egl / common / egl_g3d_api.c
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d_api.c b/src/gallium/state_trackers/egl/common/egl_g3d_api.c
deleted file mode 100644 (file)
index b19d899..0000000
+++ /dev/null
@@ -1,952 +0,0 @@
-/*
- * Mesa 3-D graphics library
- *
- * 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
- * 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 "egldriver.h"
-#include "eglcurrent.h"
-#include "egllog.h"
-
-#include "pipe/p_screen.h"
-#include "util/u_memory.h"
-#include "util/u_inlines.h"
-#include "util/u_box.h"
-
-#include "egl_g3d.h"
-#include "egl_g3d_api.h"
-#include "egl_g3d_image.h"
-#include "egl_g3d_sync.h"
-#include "egl_g3d_st.h"
-#include "native.h"
-
-/**
- * Return the state tracker for the given context.
- */
-static struct st_api *
-egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx,
-                  enum st_profile_type *profile)
-{
-   struct st_api *stapi;
-   EGLint api = -1;
-
-   *profile = ST_PROFILE_DEFAULT;
-
-   switch (ctx->ClientAPI) {
-   case EGL_OPENGL_ES_API:
-      switch (ctx->ClientMajorVersion) {
-      case 1:
-         api = ST_API_OPENGL;
-         *profile = ST_PROFILE_OPENGL_ES1;
-         break;
-      case 2:
-         api = ST_API_OPENGL;
-         *profile = ST_PROFILE_OPENGL_ES2;
-         break;
-      default:
-         _eglLog(_EGL_WARNING, "unknown client major version %d",
-               ctx->ClientMajorVersion);
-         break;
-      }
-      break;
-   case EGL_OPENVG_API:
-      api = ST_API_OPENVG;
-      break;
-   case EGL_OPENGL_API:
-      api = ST_API_OPENGL;
-      break;
-   default:
-      _eglLog(_EGL_WARNING, "unknown client API 0x%04x", ctx->ClientAPI);
-      break;
-   }
-
-   stapi = egl_g3d_get_st_api(drv, api);
-   if (stapi && !(stapi->profile_mask & (1 << *profile)))
-      stapi = NULL;
-
-   return stapi;
-}
-
-struct egl_g3d_choose_config_data {
-   _EGLConfig criteria;
-   enum pipe_format format;
-};
-
-static int
-egl_g3d_compare_config(const _EGLConfig *conf1, const _EGLConfig *conf2,
-                       void *priv_data)
-{
-   struct egl_g3d_choose_config_data *data =
-      (struct egl_g3d_choose_config_data *) priv_data;
-   const _EGLConfig *criteria = &data->criteria;;
-
-   /* EGL_NATIVE_VISUAL_TYPE ignored? */
-   return _eglCompareConfigs(conf1, conf2, criteria, EGL_TRUE);
-}
-
-static EGLBoolean
-egl_g3d_match_config(const _EGLConfig *conf, void *priv_data)
-{
-   struct egl_g3d_choose_config_data *data =
-      (struct egl_g3d_choose_config_data *) priv_data;
-   struct egl_g3d_config *gconf = egl_g3d_config(conf);
-
-   if (data->format != PIPE_FORMAT_NONE &&
-       data->format != gconf->native->color_format)
-      return EGL_FALSE;
-
-   return _eglMatchConfig(conf, &data->criteria);
-}
-
-static EGLBoolean
-egl_g3d_choose_config(_EGLDriver *drv, _EGLDisplay *dpy, const EGLint *attribs,
-                      EGLConfig *configs, EGLint size, EGLint *num_configs)
-{
-   struct egl_g3d_choose_config_data data;
-
-   if (!_eglParseConfigAttribList(&data.criteria, dpy, attribs))
-      return _eglError(EGL_BAD_ATTRIBUTE, "eglChooseConfig");
-
-   data.format = PIPE_FORMAT_NONE;
-   if (data.criteria.MatchNativePixmap != EGL_NONE &&
-       data.criteria.MatchNativePixmap != EGL_DONT_CARE) {
-      struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-
-      if (!gdpy->native->get_pixmap_format(gdpy->native,
-               (EGLNativePixmapType) data.criteria.MatchNativePixmap,
-               &data.format))
-         return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglChooseConfig");
-   }
-
-   return _eglFilterConfigArray(dpy->Configs, configs, size, num_configs,
-         egl_g3d_match_config, egl_g3d_compare_config, &data);
-}
-
-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;
-   struct st_context_attribs stattribs;
-   enum st_context_error ctx_err = 0;
-
-   gctx = CALLOC_STRUCT(egl_g3d_context);
-   if (!gctx) {
-      _eglError(EGL_BAD_ALLOC, "eglCreateContext");
-      return NULL;
-   }
-
-   if (!_eglInitContext(&gctx->base, dpy, conf, attribs)) {
-      FREE(gctx);
-      return NULL;
-   }
-
-   memset(&stattribs, 0, sizeof(stattribs));
-   if (gconf)
-      stattribs.visual = gconf->stvis;
-
-   gctx->stapi = egl_g3d_choose_st(drv, &gctx->base, &stattribs.profile);
-   if (!gctx->stapi) {
-      FREE(gctx);
-      return NULL;
-   }
-
-   gctx->stctxi = gctx->stapi->create_context(gctx->stapi, gdpy->smapi, 
-         &stattribs, &ctx_err, (gshare) ? gshare->stctxi : NULL);
-   if (!gctx->stctxi) {
-      FREE(gctx);
-      return NULL;
-   }
-
-   gctx->stctxi->st_manager_private = (void *) &gctx->base;
-
-   return &gctx->base;
-}
-
-/**
- * Destroy a context.
- */
-static void
-destroy_context(_EGLDisplay *dpy, _EGLContext *ctx)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-
-   /* FIXME a context might live longer than its display */
-   if (!dpy->Initialized)
-      _eglLog(_EGL_FATAL, "destroy a context with an unitialized display");
-
-   gctx->stctxi->destroy(gctx->stctxi);
-
-   FREE(gctx);
-}
-
-static EGLBoolean
-egl_g3d_destroy_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
-{
-   if (_eglPutContext(ctx))
-      destroy_context(dpy, ctx);
-   return EGL_TRUE;
-}
-
-struct egl_g3d_create_surface_arg {
-   EGLint type;
-   union {
-      EGLNativeWindowType win;
-      EGLNativePixmapType pix;
-   } u;
-};
-
-static _EGLSurface *
-egl_g3d_create_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
-                       struct egl_g3d_create_surface_arg *arg,
-                       const EGLint *attribs)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_config *gconf = egl_g3d_config(conf);
-   struct egl_g3d_surface *gsurf;
-   struct native_surface *nsurf;
-   const char *err;
-
-   switch (arg->type) {
-   case EGL_WINDOW_BIT:
-      err = "eglCreateWindowSurface";
-      break;
-   case EGL_PIXMAP_BIT:
-      err = "eglCreatePixmapSurface";
-      break;
-#ifdef EGL_MESA_screen_surface
-   case EGL_SCREEN_BIT_MESA:
-      err = "eglCreateScreenSurface";
-      break;
-#endif
-   default:
-      err = "eglCreateUnknownSurface";
-      break;
-   }
-
-   gsurf = CALLOC_STRUCT(egl_g3d_surface);
-   if (!gsurf) {
-      _eglError(EGL_BAD_ALLOC, err);
-      return NULL;
-   }
-
-   if (!_eglInitSurface(&gsurf->base, dpy, arg->type, conf, attribs)) {
-      FREE(gsurf);
-      return NULL;
-   }
-
-   /* create the native surface */
-   switch (arg->type) {
-   case EGL_WINDOW_BIT:
-      nsurf = gdpy->native->create_window_surface(gdpy->native,
-            arg->u.win, gconf->native);
-      break;
-   case EGL_PIXMAP_BIT:
-      nsurf = gdpy->native->create_pixmap_surface(gdpy->native,
-            arg->u.pix, gconf->native);
-      break;
-#ifdef EGL_MESA_screen_surface
-   case EGL_SCREEN_BIT_MESA:
-      /* prefer back buffer (move to _eglInitSurface?) */
-      gsurf->base.RenderBuffer = EGL_BACK_BUFFER;
-      nsurf = gdpy->native->modeset->create_scanout_surface(gdpy->native,
-            gconf->native, gsurf->base.Width, gsurf->base.Height);
-      break;
-#endif
-   default:
-      nsurf = NULL;
-      break;
-   }
-
-   if (!nsurf) {
-      FREE(gsurf);
-      return NULL;
-   }
-   /* initialize the geometry */
-   if (!nsurf->validate(nsurf, 0x0, &gsurf->sequence_number, NULL,
-            &gsurf->base.Width, &gsurf->base.Height)) {
-      nsurf->destroy(nsurf);
-      FREE(gsurf);
-      return NULL;
-   }
-
-   gsurf->stvis = gconf->stvis;
-   if (gsurf->base.RenderBuffer == EGL_SINGLE_BUFFER &&
-       gconf->stvis.buffer_mask & ST_ATTACHMENT_FRONT_LEFT_MASK)
-      gsurf->stvis.render_buffer = ST_ATTACHMENT_FRONT_LEFT;
-
-   /* surfaces can always be posted when the display supports it */
-   if (dpy->Extensions.NV_post_sub_buffer)
-      gsurf->base.PostSubBufferSupportedNV = EGL_TRUE;
-
-   gsurf->stfbi = egl_g3d_create_st_framebuffer(&gsurf->base);
-   if (!gsurf->stfbi) {
-      nsurf->destroy(nsurf);
-      FREE(gsurf);
-      return NULL;
-   }
-
-   nsurf->user_data = &gsurf->base;
-   gsurf->native = nsurf;
-
-   return &gsurf->base;
-}
-
-static _EGLSurface *
-egl_g3d_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                              _EGLConfig *conf, void *native_window,
-                              const EGLint *attribs)
-{
-   EGLNativeWindowType win;
-   struct egl_g3d_create_surface_arg arg;
-
-   STATIC_ASSERT(sizeof(EGLNativeWindowType) == sizeof(native_window));
-   win = (EGLNativeWindowType) native_window;
-
-   memset(&arg, 0, sizeof(arg));
-   arg.type = EGL_WINDOW_BIT;
-   arg.u.win = win;
-
-   return egl_g3d_create_surface(drv, dpy, conf, &arg, attribs);
-}
-
-static _EGLSurface *
-egl_g3d_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                              _EGLConfig *conf, void *native_pixmap,
-                              const EGLint *attribs)
-{
-   EGLNativePixmapType pix;
-   struct egl_g3d_create_surface_arg arg;
-
-   STATIC_ASSERT(sizeof(EGLNativePixmapType) == sizeof(native_pixmap));
-   pix = (EGLNativePixmapType) native_pixmap;
-
-   memset(&arg, 0, sizeof(arg));
-   arg.type = EGL_PIXMAP_BIT;
-   arg.u.pix = pix;
-
-   return egl_g3d_create_surface(drv, dpy, conf, &arg, attribs);
-}
-
-static struct egl_g3d_surface *
-create_pbuffer_surface(_EGLDisplay *dpy, _EGLConfig *conf,
-                       const EGLint *attribs, const char *func)
-{
-   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, func);
-      return NULL;
-   }
-
-   if (!_eglInitSurface(&gsurf->base, dpy, EGL_PBUFFER_BIT, conf, attribs)) {
-      FREE(gsurf);
-      return NULL;
-   }
-
-   gsurf->stvis = gconf->stvis;
-
-   gsurf->stfbi = egl_g3d_create_st_framebuffer(&gsurf->base);
-   if (!gsurf->stfbi) {
-      FREE(gsurf);
-      return NULL;
-   }
-
-   return gsurf;
-}
-
-static _EGLSurface *
-egl_g3d_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                               _EGLConfig *conf, const EGLint *attribs)
-{
-   struct egl_g3d_surface *gsurf;
-
-   gsurf = create_pbuffer_surface(dpy, conf, attribs,
-         "eglCreatePbufferSurface");
-   if (!gsurf)
-      return NULL;
-
-   gsurf->client_buffer_type = EGL_NONE;
-
-   return &gsurf->base;
-}
-
-static _EGLSurface *
-egl_g3d_create_pbuffer_from_client_buffer(_EGLDriver *drv, _EGLDisplay *dpy,
-                                          EGLenum buftype,
-                                          EGLClientBuffer buffer,
-                                          _EGLConfig *conf,
-                                          const EGLint *attribs)
-{
-   struct egl_g3d_surface *gsurf;
-   struct pipe_resource *ptex = NULL;
-   EGLint pbuffer_attribs[32];
-   EGLint count, i;
-
-   switch (buftype) {
-   case EGL_OPENVG_IMAGE:
-      break;
-   default:
-      _eglError(EGL_BAD_PARAMETER, "eglCreatePbufferFromClientBuffer");
-      return NULL;
-      break;
-   }
-
-   /* parse the attributes first */
-   count = 0;
-   for (i = 0; attribs && attribs[i] != EGL_NONE; i++) {
-      EGLint attr = attribs[i++];
-      EGLint val = attribs[i];
-      EGLint err = EGL_SUCCESS;
-
-      switch (attr) {
-      case EGL_TEXTURE_FORMAT:
-      case EGL_TEXTURE_TARGET:
-      case EGL_MIPMAP_TEXTURE:
-         pbuffer_attribs[count++] = attr;
-         pbuffer_attribs[count++] = val;
-         break;
-      default:
-         err = EGL_BAD_ATTRIBUTE;
-         break;
-      }
-      /* bail out */
-      if (err != EGL_SUCCESS) {
-         _eglError(err, "eglCreatePbufferFromClientBuffer");
-         return NULL;
-      }
-   }
-
-   pbuffer_attribs[count++] = EGL_NONE;
-
-   gsurf = create_pbuffer_surface(dpy, conf, pbuffer_attribs,
-         "eglCreatePbufferFromClientBuffer");
-   if (!gsurf)
-      return NULL;
-
-   gsurf->client_buffer_type = buftype;
-   gsurf->client_buffer = buffer;
-
-   /* validate now so that it fails if the client buffer is invalid */
-   if (!gsurf->stfbi->validate(NULL, gsurf->stfbi,
-            &gsurf->stvis.render_buffer, 1, &ptex)) {
-      egl_g3d_destroy_st_framebuffer(gsurf->stfbi);
-      FREE(gsurf);
-      return NULL;
-   }
-   pipe_resource_reference(&ptex, NULL);
-
-   return &gsurf->base;
-}
-
-/**
- * Destroy a surface.
- */
-static void
-destroy_surface(_EGLDisplay *dpy, _EGLSurface *surf)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-
-   /* FIXME a surface might live longer than its display */
-   if (!dpy->Initialized)
-      _eglLog(_EGL_FATAL, "destroy a surface with an unitialized display");
-
-   pipe_resource_reference(&gsurf->render_texture, NULL);
-   egl_g3d_destroy_st_framebuffer(gsurf->stfbi);
-   if (gsurf->native)
-      gsurf->native->destroy(gsurf->native);
-   FREE(gsurf);
-}
-
-static EGLBoolean
-egl_g3d_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
-{
-   if (_eglPutSurface(surf))
-      destroy_surface(dpy, surf);
-   return EGL_TRUE;
-}
-
-static EGLBoolean
-egl_g3d_make_current(_EGLDriver *drv, _EGLDisplay *dpy,
-                     _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx)
-{
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   struct egl_g3d_surface *gdraw = egl_g3d_surface(draw);
-   struct egl_g3d_surface *gread = egl_g3d_surface(read);
-   struct egl_g3d_context *old_gctx;
-   _EGLContext *old_ctx;
-   _EGLSurface *old_draw, *old_read;
-   EGLBoolean ok = EGL_TRUE;
-
-   /* make new bindings */
-   if (!_eglBindContext(ctx, draw, read, &old_ctx, &old_draw, &old_read))
-      return EGL_FALSE;
-
-   old_gctx = egl_g3d_context(old_ctx);
-   if (old_gctx) {
-      /* flush old context */
-      old_gctx->stctxi->flush(old_gctx->stctxi, ST_FLUSH_FRONT, NULL);
-   }
-
-   if (gctx) {
-      ok = gctx->stapi->make_current(gctx->stapi, gctx->stctxi,
-            (gdraw) ? gdraw->stfbi : NULL, (gread) ? gread->stfbi : NULL);
-      if (ok) {
-         if (gdraw) {
-            if (gdraw->base.Type == EGL_WINDOW_BIT) {
-               gctx->base.WindowRenderBuffer =
-                  (gdraw->stvis.render_buffer == ST_ATTACHMENT_FRONT_LEFT) ?
-                  EGL_SINGLE_BUFFER : EGL_BACK_BUFFER;
-            }
-         }
-      }
-   }
-   else if (old_gctx) {
-      ok = old_gctx->stapi->make_current(old_gctx->stapi, NULL, NULL, NULL);
-      if (ok)
-         old_gctx->base.WindowRenderBuffer = EGL_NONE;
-   }
-
-   if (ok) {
-      if (_eglPutContext(old_ctx))
-         destroy_context(dpy, old_ctx);
-      if (_eglPutSurface(old_draw))
-         destroy_surface(dpy, old_draw);
-      if (_eglPutSurface(old_read))
-         destroy_surface(dpy, old_read);
-   }
-   else {
-      /* undo the previous _eglBindContext */
-      _eglBindContext(old_ctx, old_draw, old_read, &ctx, &draw, &read);
-      assert(&gctx->base == ctx &&
-             &gdraw->base == draw &&
-             &gread->base == read);
-
-      _eglPutSurface(draw);
-      _eglPutSurface(read);
-      _eglPutContext(ctx);
-
-      _eglPutSurface(old_draw);
-      _eglPutSurface(old_read);
-      _eglPutContext(old_ctx);
-   }
-
-   return ok;
-}
-
-static EGLBoolean
-swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
-             EGLint num_rects, const EGLint *rects, EGLBoolean preserve)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-   _EGLContext *ctx = _eglGetCurrentContext();
-   struct egl_g3d_context *gctx = NULL;
-   struct native_present_control ctrl;
-
-   /* no-op for pixmap or pbuffer surface */
-   if (gsurf->base.Type == EGL_PIXMAP_BIT ||
-       gsurf->base.Type == EGL_PBUFFER_BIT)
-      return EGL_TRUE;
-
-   /* or when the surface is single-buffered */
-   if (gsurf->stvis.render_buffer == ST_ATTACHMENT_FRONT_LEFT)
-      return EGL_TRUE;
-
-   if (ctx && ctx->DrawSurface == surf)
-      gctx = egl_g3d_context(ctx);
-
-   /* flush if the surface is current */
-   if (gctx) {
-      gctx->stctxi->flush(gctx->stctxi, ST_FLUSH_FRONT, NULL);
-   }
-
-   memset(&ctrl, 0, sizeof(ctrl));
-   ctrl.natt = NATIVE_ATTACHMENT_BACK_LEFT;
-   ctrl.preserve = preserve;
-   ctrl.swap_interval = gsurf->base.SwapInterval;
-   ctrl.premultiplied_alpha = (gsurf->base.VGAlphaFormat == EGL_VG_ALPHA_FORMAT_PRE);
-   ctrl.num_rects = num_rects;
-   ctrl.rects = rects;
-
-   return gsurf->native->present(gsurf->native, &ctrl);
-}
-
-static EGLBoolean
-egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-
-   return swap_buffers(drv, dpy, surf, 0, NULL,
-                       (gsurf->base.SwapBehavior == EGL_BUFFER_PRESERVED));
-}
-
-#ifdef EGL_NOK_swap_region
-static EGLBoolean
-egl_g3d_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
-                            EGLint num_rects, const EGLint *rects)
-{
-   /* Note: y=0=top */
-   return swap_buffers(drv, dpy, surf, num_rects, rects, EGL_TRUE);
-}
-#endif /* EGL_NOK_swap_region */
-
-static EGLBoolean
-egl_g3d_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
-                        EGLint x, EGLint y, EGLint width, EGLint height)
-{
-   EGLint rect[4];
-
-   if (x < 0 || y < 0 || width < 0 || height < 0)
-      return _eglError(EGL_BAD_PARAMETER, "eglPostSubBufferNV");
-
-   /* clamp */
-   if (x + width > surf->Width)
-      width = surf->Width - x;
-   if (y + height > surf->Height)
-      height = surf->Height - y;
-
-   if (width <= 0 || height <= 0)
-      return EGL_TRUE;
-
-   rect[0] = x;
-   /* Note: y=0=bottom */
-   rect[1] = surf->Height - y - height;
-   rect[2] = width;
-   rect[3] = height;
-
-   return swap_buffers(drv, dpy, surf, 1, rect, EGL_TRUE);
-}
-
-static EGLBoolean
-egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
-                     void *native_pixmap_target)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-   _EGLContext *ctx = _eglGetCurrentContext();
-   EGLNativePixmapType target;
-
-   STATIC_ASSERT(sizeof(EGLNativePixmapType) == sizeof(native_pixmap_target));
-   target = (EGLNativePixmapType) native_pixmap_target;
-
-   if (!gsurf->render_texture)
-      return EGL_TRUE;
-
-   /* flush if the surface is current */
-   if (ctx && ctx->DrawSurface == &gsurf->base) {
-      struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-      gctx->stctxi->flush(gctx->stctxi, ST_FLUSH_FRONT, NULL);
-   }
-
-   return gdpy->native->copy_to_pixmap(gdpy->native,
-         target, gsurf->render_texture);
-}
-
-static EGLBoolean
-egl_g3d_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-   struct pipe_screen *screen = gdpy->native->screen;
-   struct pipe_fence_handle *fence = NULL;
-
-   gctx->stctxi->flush(gctx->stctxi, ST_FLUSH_FRONT, &fence);
-   if (fence) {
-      screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE);
-      screen->fence_reference(screen, &fence, NULL);
-   }
-
-   return EGL_TRUE;
-}
-
-static EGLBoolean
-egl_g3d_wait_native(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine)
-{
-   _EGLContext *ctx = _eglGetCurrentContext();
-
-   if (engine != EGL_CORE_NATIVE_ENGINE)
-      return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
-
-   if (ctx && ctx->DrawSurface) {
-      struct egl_g3d_surface *gsurf = egl_g3d_surface(ctx->DrawSurface);
-
-      if (gsurf->native)
-         gsurf->native->wait(gsurf->native);
-   }
-
-   return EGL_TRUE;
-}
-
-static EGLBoolean
-egl_g3d_bind_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
-                       _EGLSurface *surf, EGLint buffer)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-   _EGLContext *es1 = _eglGetAPIContext(EGL_OPENGL_ES_API);
-   struct egl_g3d_context *gctx;
-   enum pipe_format internal_format;
-   enum st_texture_type target;
-
-   if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT)
-      return _eglError(EGL_BAD_SURFACE, "eglBindTexImage");
-   if (buffer != EGL_BACK_BUFFER)
-      return _eglError(EGL_BAD_PARAMETER, "eglBindTexImage");
-   if (gsurf->base.BoundToTexture)
-      return _eglError(EGL_BAD_ACCESS, "eglBindTexImage");
-
-   switch (gsurf->base.TextureFormat) {
-   case EGL_TEXTURE_RGB:
-      internal_format = PIPE_FORMAT_R8G8B8_UNORM;
-      break;
-   case EGL_TEXTURE_RGBA:
-      internal_format = PIPE_FORMAT_B8G8R8A8_UNORM;
-      break;
-   default:
-      return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
-   }
-
-   switch (gsurf->base.TextureTarget) {
-   case EGL_TEXTURE_2D:
-      target = ST_TEXTURE_2D;
-      break;
-   default:
-      return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
-   }
-
-   if (!es1)
-      return EGL_TRUE;
-   if (!gsurf->render_texture)
-      return EGL_FALSE;
-
-   /* flush properly if the surface is bound */
-   if (gsurf->base.CurrentContext) {
-      gctx = egl_g3d_context(gsurf->base.CurrentContext);
-      gctx->stctxi->flush(gctx->stctxi, ST_FLUSH_FRONT, NULL);
-   }
-
-   gctx = egl_g3d_context(es1);
-   if (gctx->stctxi->teximage) {
-      if (!gctx->stctxi->teximage(gctx->stctxi, target,
-               gsurf->base.MipmapLevel, internal_format,
-               gsurf->render_texture, gsurf->base.MipmapTexture))
-         return EGL_FALSE;
-      gsurf->base.BoundToTexture = EGL_TRUE;
-   }
-
-   return EGL_TRUE;
-}
-
-static EGLBoolean
-egl_g3d_release_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
-                          _EGLSurface *surf, EGLint buffer)
-{
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-
-   if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT ||
-       !gsurf->base.BoundToTexture)
-      return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage");
-   if (buffer != EGL_BACK_BUFFER)
-      return _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage");
-
-   if (gsurf->render_texture) {
-      _EGLContext *ctx = _eglGetAPIContext(EGL_OPENGL_ES_API);
-      struct egl_g3d_context *gctx = egl_g3d_context(ctx);
-
-      /* what if the context the surface binds to is no longer current? */
-      if (gctx) {
-         gctx->stctxi->teximage(gctx->stctxi, ST_TEXTURE_2D,
-               gsurf->base.MipmapLevel, PIPE_FORMAT_NONE, NULL, FALSE);
-      }
-   }
-
-   gsurf->base.BoundToTexture = EGL_FALSE;
-
-   return EGL_TRUE;
-}
-
-#ifdef EGL_MESA_screen_surface
-
-static _EGLSurface *
-egl_g3d_create_screen_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                              _EGLConfig *conf, const EGLint *attribs)
-{
-   struct egl_g3d_create_surface_arg arg;
-
-   memset(&arg, 0, sizeof(arg));
-   arg.type = EGL_SCREEN_BIT_MESA;
-
-   return egl_g3d_create_surface(drv, dpy, conf, &arg, attribs);
-}
-
-static EGLBoolean
-egl_g3d_show_screen_surface(_EGLDriver *drv, _EGLDisplay *dpy,
-                            _EGLScreen *scr, _EGLSurface *surf,
-                            _EGLMode *mode)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-   struct egl_g3d_screen *gscr = egl_g3d_screen(scr);
-   struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-   struct native_surface *nsurf;
-   const struct native_mode *nmode;
-   EGLBoolean changed;
-
-   if (gsurf) {
-      EGLint idx;
-
-      if (!mode)
-         return _eglError(EGL_BAD_MATCH, "eglShowSurfaceMESA");
-      if (gsurf->base.Type != EGL_SCREEN_BIT_MESA)
-         return _eglError(EGL_BAD_SURFACE, "eglShowScreenSurfaceMESA");
-      if (gsurf->base.Width < mode->Width || gsurf->base.Height < mode->Height)
-         return _eglError(EGL_BAD_MATCH,
-               "eglShowSurfaceMESA(surface smaller than mode size)");
-
-      /* find the index of the mode */
-      for (idx = 0; idx < gscr->base.NumModes; idx++)
-         if (mode == &gscr->base.Modes[idx])
-            break;
-      if (idx >= gscr->base.NumModes) {
-         return _eglError(EGL_BAD_MODE_MESA,
-               "eglShowSurfaceMESA(unknown mode)");
-      }
-
-      nsurf = gsurf->native;
-      nmode = gscr->native_modes[idx];
-   }
-   else {
-      if (mode)
-         return _eglError(EGL_BAD_MATCH, "eglShowSurfaceMESA");
-
-      /* disable the screen */
-      nsurf = NULL;
-      nmode = NULL;
-   }
-
-   /* TODO surface panning by CRTC choosing */
-   changed = gdpy->native->modeset->program(gdpy->native, 0, nsurf,
-         gscr->base.OriginX, gscr->base.OriginY, &gscr->native, 1, nmode);
-   if (changed) {
-      gscr->base.CurrentSurface = &gsurf->base;
-      gscr->base.CurrentMode = mode;
-   }
-
-   return changed;
-}
-
-#endif /* EGL_MESA_screen_surface */
-
-#ifdef EGL_WL_bind_wayland_display
-
-static EGLBoolean
-egl_g3d_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *dpy,
-                                struct wl_display *wl_dpy)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-
-   if (!gdpy->native->wayland_bufmgr)
-      return EGL_FALSE;
-
-   return gdpy->native->wayland_bufmgr->bind_display(gdpy->native, wl_dpy);
-}
-
-static EGLBoolean
-egl_g3d_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *dpy,
-                                  struct wl_display *wl_dpy)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-
-   if (!gdpy->native->wayland_bufmgr)
-      return EGL_FALSE;
-
-   return gdpy->native->wayland_bufmgr->unbind_display(gdpy->native, wl_dpy);
-}
-
-static EGLBoolean
-egl_g3d_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *dpy,
-                                struct wl_resource *buffer,
-                                EGLint attribute, EGLint *value)
-{
-   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-
-   if (!gdpy->native->wayland_bufmgr)
-      return EGL_FALSE;
-
-   return gdpy->native->wayland_bufmgr->query_buffer(gdpy->native,
-                                                     buffer, attribute, value);
-}
-#endif /* EGL_WL_bind_wayland_display */
-
-void
-egl_g3d_init_driver_api(_EGLDriver *drv)
-{
-   _eglInitDriverFallbacks(drv);
-
-   drv->API.ChooseConfig = egl_g3d_choose_config;
-
-   drv->API.CreateContext = egl_g3d_create_context;
-   drv->API.DestroyContext = egl_g3d_destroy_context;
-   drv->API.CreateWindowSurface = egl_g3d_create_window_surface;
-   drv->API.CreatePixmapSurface = egl_g3d_create_pixmap_surface;
-   drv->API.CreatePbufferSurface = egl_g3d_create_pbuffer_surface;
-   drv->API.CreatePbufferFromClientBuffer = egl_g3d_create_pbuffer_from_client_buffer;
-   drv->API.DestroySurface = egl_g3d_destroy_surface;
-   drv->API.MakeCurrent = egl_g3d_make_current;
-   drv->API.SwapBuffers = egl_g3d_swap_buffers;
-   drv->API.CopyBuffers = egl_g3d_copy_buffers;
-   drv->API.WaitClient = egl_g3d_wait_client;
-   drv->API.WaitNative = egl_g3d_wait_native;
-
-   drv->API.BindTexImage = egl_g3d_bind_tex_image;
-   drv->API.ReleaseTexImage = egl_g3d_release_tex_image;
-
-   drv->API.CreateImageKHR = egl_g3d_create_image;
-   drv->API.DestroyImageKHR = egl_g3d_destroy_image;
-#ifdef EGL_MESA_drm_image
-   drv->API.CreateDRMImageMESA = egl_g3d_create_drm_image;
-   drv->API.ExportDRMImageMESA = egl_g3d_export_drm_image;
-#endif
-#ifdef EGL_WL_bind_wayland_display
-   drv->API.BindWaylandDisplayWL = egl_g3d_bind_wayland_display_wl;
-   drv->API.UnbindWaylandDisplayWL = egl_g3d_unbind_wayland_display_wl;
-   drv->API.QueryWaylandBufferWL = egl_g3d_query_wayland_buffer_wl;
-#endif
-
-   drv->API.CreateSyncKHR = egl_g3d_create_sync;
-   drv->API.DestroySyncKHR = egl_g3d_destroy_sync;
-   drv->API.ClientWaitSyncKHR = egl_g3d_client_wait_sync;
-   drv->API.SignalSyncKHR = egl_g3d_signal_sync;
-
-#ifdef EGL_MESA_screen_surface
-   drv->API.CreateScreenSurfaceMESA = egl_g3d_create_screen_surface;
-   drv->API.ShowScreenSurfaceMESA = egl_g3d_show_screen_surface;
-#endif
-
-#ifdef EGL_NOK_swap_region
-   drv->API.SwapBuffersRegionNOK = egl_g3d_swap_buffers_region;
-#endif
-
-   drv->API.PostSubBufferNV = egl_g3d_post_sub_buffer;
-}