1 files changed, 123 insertions, 0 deletions
diff --git a/src/gallium/targets/libgl-gdi/gdi_softpipe_winsys.c b/src/gallium/targets/libgl-gdi/gdi_softpipe_winsys.c
new file mode 100644
index 00000000000..5c5c154c7fd
--- /dev/null
+++ b/src/gallium/targets/libgl-gdi/gdi_softpipe_winsys.c
@@ -0,0 +1,123 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * LLVMpipe support.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+
+#include <windows.h>
+
+#include "stw_winsys.h"
+#include "gdi_sw_winsys.h"
+#include "softpipe/sp_texture.h"
+#include "softpipe/sp_screen.h"
+
+
+static struct pipe_screen *
+gdi_softpipe_screen_create(void)
+{
+   static struct sw_winsys *winsys;
+   struct pipe_screen *screen;
+
+   winsys = gdi_create_sw_winsys();
+   if(!winsys)
+      goto no_winsys;
+
+   screen = softpipe_create_screen(winsys);
+   if(!screen)
+      goto no_screen;
+
+   return screen;
+   
+no_screen:
+   winsys->destroy(winsys);
+no_winsys:
+   return NULL;
+}
+
+
+
+
+static void
+gdi_softpipe_present(struct pipe_screen *screen,
+                     struct pipe_surface *surface,
+                     HDC hDC)
+{
+   /* This will fail if any interposing layer (trace, debug, etc) has
+    * been introduced between the state-trackers and softpipe.
+    *
+    * Ideally this would get replaced with a call to
+    * pipe_screen::flush_frontbuffer().
+    *
+    * Failing that, it may be necessary for intervening layers to wrap
+    * other structs such as this stw_winsys as well...
+    */
+   gdi_sw_display(softpipe_screen(screen)->winsys,
+                  softpipe_texture(surface->texture)->dt,
+                  hDC);
+}
+
+
+static const struct stw_winsys stw_winsys = {
+   &gdi_softpipe_screen_create,
+   &gdi_softpipe_present,
+   NULL, /* get_adapter_luid */
+   NULL, /* shared_surface_open */
+   NULL, /* shared_surface_close */
+   NULL  /* compose */
+};
+
+
+BOOL WINAPI
+DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
+{
+   switch (fdwReason) {
+   case DLL_PROCESS_ATTACH:
+      stw_init(&stw_winsys);
+      stw_init_thread();
+      break;
+
+   case DLL_THREAD_ATTACH:
+      stw_init_thread();
+      break;
+
+   case DLL_THREAD_DETACH:
+      stw_cleanup_thread();
+      break;
+
+   case DLL_PROCESS_DETACH:
+      stw_cleanup_thread();
+      stw_cleanup();
+      break;
+   }
+   return TRUE;
+}