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authorChia-I Wu <[email protected]>2010-10-10 20:15:06 +0800
committerChia-I Wu <[email protected]>2010-11-03 17:47:08 +0800
commitaf977b53826695afcdcfe900816a93671aec00f5 (patch)
treef09be9089ef5d578b32c444dbae59d71ce6c3409 /src
parenta5f4338fc4f9b4500c5754de237f77549b3cedf8 (diff)
st/egl: Add native_display_buffer interface.
The interface is a wrapper to pipe_screen::resource_from_handle and pipe_screen::resource_get_handle. A winsys handle is platform-dependent.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/state_trackers/egl/common/native.h2
-rw-r--r--src/gallium/state_trackers/egl/common/native_buffer.h59
2 files changed, 61 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/egl/common/native.h b/src/gallium/state_trackers/egl/common/native.h
index 5ee7956ac73..3886ca20562 100644
--- a/src/gallium/state_trackers/egl/common/native.h
+++ b/src/gallium/state_trackers/egl/common/native.h
@@ -38,6 +38,7 @@
extern "C" {
#endif
+#include "native_buffer.h"
#include "native_modeset.h"
/**
@@ -190,6 +191,7 @@ struct native_display {
EGLNativePixmapType pix,
const struct native_config *nconf);
+ const struct native_display_buffer *buffer;
const struct native_display_modeset *modeset;
};
diff --git a/src/gallium/state_trackers/egl/common/native_buffer.h b/src/gallium/state_trackers/egl/common/native_buffer.h
new file mode 100644
index 00000000000..5c29ab97411
--- /dev/null
+++ b/src/gallium/state_trackers/egl/common/native_buffer.h
@@ -0,0 +1,59 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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.
+ *
+ * Authors:
+ * Chia-I Wu <[email protected]>
+ */
+
+#ifndef _NATIVE_BUFFER_H_
+#define _NATIVE_BUFFER_H_
+
+#include "pipe/p_compiler.h"
+
+struct native_display;
+struct pipe_resource;
+
+/**
+ * Buffer interface of the native display. It allows native buffers to be
+ * imported and exported.
+ *
+ * Just like a native window or a native pixmap, a native buffer is another
+ * native type. Its definition depends on the native display.
+ *
+ * For DRM platform, the type of a native buffer is struct winsys_handle.
+ */
+struct native_display_buffer {
+ struct pipe_resource *(*import_buffer)(struct native_display *ndpy,
+ const struct pipe_resource *templ,
+ void *buf);
+
+ /**
+ * The resource must be creatred with PIPE_BIND_SHARED.
+ */
+ boolean (*export_buffer)(struct native_display *ndpy,
+ struct pipe_resource *res,
+ void *buf);
+};
+
+#endif /* _NATIVE_BUFFER_H_ */