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authormarha <marha@users.sourceforge.net>2015-02-24 07:45:14 +0100
committermarha <marha@users.sourceforge.net>2015-02-24 07:45:14 +0100
commiteef70231353a6103f47fcae88a6e89e765e5cd47 (patch)
treeff91167b1dc242aa72f083a95e0f1152bcd3de38 /mesalib/src/gallium/include/state_tracker/sw_winsys.h
parentac2c8a704aac7569f4ae85b890a546644bd86c60 (diff)
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Added missing files for mesa
Diffstat (limited to 'mesalib/src/gallium/include/state_tracker/sw_winsys.h')
-rw-r--r--mesalib/src/gallium/include/state_tracker/sw_winsys.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/mesalib/src/gallium/include/state_tracker/sw_winsys.h b/mesalib/src/gallium/include/state_tracker/sw_winsys.h
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+/**************************************************************************
+ *
+ * Copyright 2007-2009 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 above copyright notice and this permission notice (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Software rasterizer winsys.
+ */
+
+
+#ifndef SW_WINSYS_H
+#define SW_WINSYS_H
+
+
+#include "pipe/p_compiler.h" /* for boolean */
+#include "pipe/p_format.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+struct winsys_handle;
+struct pipe_screen;
+struct pipe_context;
+struct pipe_resource;
+struct pipe_box;
+
+/**
+ * Opaque pointer.
+ */
+struct sw_displaytarget;
+
+
+/**
+ * This is the interface that sw expects any window system
+ * hosting it to implement.
+ *
+ * sw is for the most part a self sufficient driver. The only thing it
+ * does not know is how to display a surface.
+ */
+struct sw_winsys
+{
+ void
+ (*destroy)( struct sw_winsys *ws );
+
+ boolean
+ (*is_displaytarget_format_supported)( struct sw_winsys *ws,
+ unsigned tex_usage,
+ enum pipe_format format );
+
+ /**
+ * Allocate storage for a render target.
+ *
+ * Often surfaces which are meant to be blitted to the front screen (i.e.,
+ * display targets) must be allocated with special characteristics, memory
+ * pools, or obtained directly from the windowing system.
+ *
+ * This callback is invoked by the pipe_screen when creating a texture marked
+ * with the PIPE_BIND_DISPLAY_TARGET flag to get the underlying
+ * storage.
+ */
+ struct sw_displaytarget *
+ (*displaytarget_create)( struct sw_winsys *ws,
+ unsigned tex_usage,
+ enum pipe_format format,
+ unsigned width, unsigned height,
+ unsigned alignment,
+ unsigned *stride );
+
+ /**
+ * Used to implement texture_from_handle.
+ */
+ struct sw_displaytarget *
+ (*displaytarget_from_handle)( struct sw_winsys *ws,
+ const struct pipe_resource *templat,
+ struct winsys_handle *whandle,
+ unsigned *stride );
+
+ /**
+ * Used to implement texture_get_handle.
+ */
+ boolean
+ (*displaytarget_get_handle)( struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ struct winsys_handle *whandle );
+
+ /**
+ * \param flags bitmask of PIPE_TRANSFER_x flags
+ */
+ void *
+ (*displaytarget_map)( struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ unsigned flags );
+
+ void
+ (*displaytarget_unmap)( struct sw_winsys *ws,
+ struct sw_displaytarget *dt );
+
+ /**
+ * @sa pipe_screen:flush_frontbuffer.
+ *
+ * This call will likely become asynchronous eventually.
+ */
+ void
+ (*displaytarget_display)( struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ void *context_private,
+ struct pipe_box *box );
+
+ void
+ (*displaytarget_destroy)( struct sw_winsys *ws,
+ struct sw_displaytarget *dt );
+};
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SW_WINSYS_H */