Mesa (gallium-winsys-private): gallium: add a convience wrapper for simple screens
Zack Rusin
zack at kemper.freedesktop.org
Fri Jan 30 23:01:46 UTC 2009
Module: Mesa
Branch: gallium-winsys-private
Commit: 26c9b1534388876797168cfece507fa7b9e8665a
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=26c9b1534388876797168cfece507fa7b9e8665a
Author: Zack Rusin <zackr at vmware.com>
Date: Fri Jan 30 17:59:10 2009 -0500
gallium: add a convience wrapper for simple screens
forwards screen calls to the winsys
---
src/gallium/auxiliary/util/Makefile | 3 +-
src/gallium/auxiliary/util/u_simple_screen.c | 143 ++++++++++++++++++++++++++
src/gallium/auxiliary/util/u_simple_screen.h | 47 +++++++++
src/gallium/include/pipe/p_screen.h | 1 -
4 files changed, 192 insertions(+), 2 deletions(-)
diff --git a/src/gallium/auxiliary/util/Makefile b/src/gallium/auxiliary/util/Makefile
index 6773ed7..44c2377 100644
--- a/src/gallium/auxiliary/util/Makefile
+++ b/src/gallium/auxiliary/util/Makefile
@@ -23,7 +23,8 @@ C_SOURCES = \
u_stream_wd.c \
u_tile.c \
u_time.c \
- u_timed_winsys.c
+ u_timed_winsys.c \
+ u_simple_screen.c
include ../../Makefile.template
diff --git a/src/gallium/auxiliary/util/u_simple_screen.c b/src/gallium/auxiliary/util/u_simple_screen.c
new file mode 100644
index 0000000..089bbbc
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_simple_screen.c
@@ -0,0 +1,143 @@
+/**************************************************************************
+ *
+ * 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 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#include "u_simple_screen.h"
+
+#include "pipe/p_screen.h"
+#include "pipe/internal/p_winsys_screen.h"
+
+
+static struct pipe_buffer *
+pass_buffer_create(struct pipe_screen *screen,
+ unsigned alignment,
+ unsigned usage,
+ unsigned size)
+{
+ return screen->winsys->buffer_create(screen->winsys,
+ alignment, usage, size);
+}
+
+static struct pipe_buffer *
+pass_user_buffer_create(struct pipe_screen *screen,
+ void *ptr,
+ unsigned bytes)
+{
+ return screen->winsys->user_buffer_create(screen->winsys,
+ ptr, bytes);
+}
+
+static struct pipe_buffer *
+pass_surface_buffer_create(struct pipe_screen *screen,
+ unsigned width, unsigned height,
+ enum pipe_format format,
+ unsigned usage,
+ unsigned *stride)
+{
+ return screen->winsys->surface_buffer_create(screen->winsys,
+ width, height,
+ format, usage, stride);
+}
+
+static void *
+pass_buffer_map(struct pipe_screen *screen,
+ struct pipe_buffer *buf,
+ unsigned usage)
+{
+ return screen->winsys->buffer_map(screen->winsys,
+ buf, usage);
+}
+
+static void
+pass_buffer_unmap(struct pipe_screen *screen,
+ struct pipe_buffer *buf)
+{
+ screen->winsys->buffer_unmap(screen->winsys, buf);
+}
+
+static void
+pass_buffer_destroy(struct pipe_screen *screen,
+ struct pipe_buffer *buf)
+{
+ screen->winsys->buffer_destroy(screen->winsys, buf);
+}
+
+
+static void
+pass_flush_frontbuffer(struct pipe_screen *screen,
+ struct pipe_surface *surf,
+ void *context_private)
+{
+ screen->winsys->flush_frontbuffer(screen->winsys,
+ surf, context_private);
+}
+
+static void
+pass_fence_reference(struct pipe_screen *screen,
+ struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence)
+{
+ screen->winsys->fence_reference(screen->winsys,
+ ptr, fence);
+}
+
+static int
+pass_fence_signalled(struct pipe_screen *screen,
+ struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ return screen->winsys->fence_signalled(screen->winsys,
+ fence, flag);
+}
+
+static int
+pass_fence_finish(struct pipe_screen *screen,
+ struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ return screen->winsys->fence_finish(screen->winsys,
+ fence, flag);
+}
+
+void u_simple_screen_init(struct pipe_screen *screen)
+{
+ screen->buffer_create = pass_buffer_create;
+ screen->user_buffer_create = pass_user_buffer_create;
+ screen->surface_buffer_create = pass_surface_buffer_create;
+
+ screen->buffer_map = pass_buffer_map;
+ screen->buffer_unmap = pass_buffer_unmap;
+ screen->buffer_destroy = pass_buffer_destroy;
+ screen->flush_frontbuffer = pass_flush_frontbuffer;
+ screen->fence_reference = pass_fence_reference;
+ screen->fence_signalled = pass_fence_signalled;
+ screen->fence_finish = pass_fence_finish;
+}
+
+const char* u_simple_screen_winsys_name(struct pipe_screen *screen)
+{
+ return screen->winsys->get_name(screen->winsys);
+}
diff --git a/src/gallium/auxiliary/util/u_simple_screen.h b/src/gallium/auxiliary/util/u_simple_screen.h
new file mode 100644
index 0000000..c575b46
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_simple_screen.h
@@ -0,0 +1,47 @@
+/**************************************************************************
+ *
+ * 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 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#ifndef U_SIMPLE_SCREEN_H
+#define U_SIMPLE_SCREEN_H
+
+struct pipe_screen;
+struct pipe_winsys;
+
+/**
+ * The following function initializes a simple passthrough screen.
+ *
+ * All the relevant screen function pointers will forward to the
+ * winsys.
+ */
+void u_simple_screen_init(struct pipe_screen *screen);
+
+/**
+ * Returns the name of the winsys associated with this screen.
+ */
+const char* u_simple_screen_winsys_name(struct pipe_screen *screen);
+
+#endif
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 715fa39..0bd7d12 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -135,7 +135,6 @@ struct pipe_screen {
/**
* Buffer management. Buffer attributes are mostly fixed over its lifetime.
*
- *
*/
struct pipe_buffer *(*buffer_create)( struct pipe_screen *screen,
unsigned alignment,
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