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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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/**
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@file
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@publishedPartner
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@prototype
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*/
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#ifndef SGCONST_H
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#define SGCONST_H
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#include <graphics/sgerror.h>
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/**
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@publishedPartner
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@prototype
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@deprecated
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Identifier of the primary screen, which always exists.
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*/
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const TInt KSgScreenIdMain = 0;
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/**
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@publishedPartner
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@prototype
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@deprecated
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Value that specifies, when passed in as screen identifier, that a resource can be
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used on all screens.
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*/
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const TInt KSgScreenIdAny = -1;
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/**
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@publishedPartner
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@prototype
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@deprecated
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Set of flags that specify how a graphics resource can be used in different rendering
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pipelines.
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*/
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enum TSgUsageFlags
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{
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/** The resource cannot be used in any rendering pipeline. */
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ESgUsageNone = 0,
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/** The resource can be bound as source of DirectGDI rendering. */
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ESgUsageDirectGdiSource = 0x0001,
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/** The resource can be bound as target of DirectGDI rendering. */
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ESgUsageDirectGdiTarget = 0x0002,
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/** The resource can be bound as source of the composition engine. */
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ESgUsageCompositionSource = 0x0004,
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/** The resource can be bound as target of the composition engine. */
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ESgUsageCompositionTarget = 0x0008,
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/** The resource can be used directly as screen contents. */
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ESgUsageScreenSource = 0x0010,
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/** The resource can be bound as OpenGL ES 1.X 2D texture. */
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ESgUsageOpenGlesTexture2D = 0x0020,
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/** The resource can be bound as target of OpenGL ES 1.X rendering. */
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ESgUsageOpenGlesTarget = 0x0040,
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/** The resource can be bound as OpenVG image. */
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ESgUsageOpenVgImage = 0x0080,
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/** The resource can be bound as target of OpenVG rendering. */
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ESgUsageOpenVgTarget = 0x0100,
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/** The resource can be used as destination in calls to eglCopyBuffers(). */
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ESgUsageEglCopyBuffersTarget = 0x0200,
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/** The resource can be bound as OpenGL ES 2.0 2D texture. */
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ESgUsageOpenGles2Texture2D = 0x0400,
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/** The resource can be bound as target of OpenGL ES 2.0 rendering. */
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ESgUsageOpenGles2Target = 0x0800,
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/** The resource can be bound as source of window graphics context rendering. @see CWindowGc */
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ESgUsageWindowGcSource = 0x1000
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};
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/**
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@publishedPartner
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@prototype
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@deprecated
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Components of TSgCpuAccess. This enumeration is not intended to be used directly, but
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provides components for the definition of TSgCpuAccess.
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*/
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enum TSgCpuAccessComponents
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{
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/** Value of the bit in TSgCpuAccess that indicates ability to read when set. */
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ESgCpuAccessReadable = 1,
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/** Value of the bit in TSgCpuAccess that indicates ability to write when set. */
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ESgCpuAccessWritable = 2
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};
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/**
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@publishedPartner
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@prototype
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@deprecated
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Enumeration used to specify how a graphics resource can be accessed by the CPU.
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*/
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enum TSgCpuAccess
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{
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/** The resource cannot be accessed by the CPU. */
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ESgCpuAccessNone = 0,
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/** The resource can only be read by the CPU. */
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ESgCpuAccessReadOnly = ESgCpuAccessReadable,
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/** The resource can only be written by the CPU. */
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ESgCpuAccessWriteOnly = ESgCpuAccessWritable,
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/** The resource can be both read and written by the CPU. */
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ESgCpuAccessReadWrite = ESgCpuAccessReadable | ESgCpuAccessWritable
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};
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#endif // SGCONST_H
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