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Java example source code file (D3DMaskCache.h)

This example Java source code file (D3DMaskCache.h) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

createinstance, d3d_mask_cache_height_in_texels, d3d_mask_cache_height_in_tiles, d3d_mask_cache_tile_height, d3d_mask_cache_tile_width, d3d_mask_cache_width_in_texels, d3d_mask_cache_width_in_tiles, d3dcontext, d3dmaskcache, d3dmaskcache_h, enable, hresult, releasedefpoolresources, uint

The D3DMaskCache.h Java example source code

/*
 * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

#ifndef D3DMASKCACHE_H
#define D3DMASKCACHE_H

#include "jni.h"
#include "D3DContext.h"

/**
 * Constants that control the size of the texture tile cache used for
 * mask operations.
 */
#define D3D_MASK_CACHE_TILE_WIDTH       32
#define D3D_MASK_CACHE_TILE_HEIGHT      32
#define D3D_MASK_CACHE_TILE_SIZE \
   (D3D_MASK_CACHE_TILE_WIDTH * D3D_MASK_CACHE_TILE_HEIGHT)

#define D3D_MASK_CACHE_WIDTH_IN_TILES   8
#define D3D_MASK_CACHE_HEIGHT_IN_TILES  4

#define D3D_MASK_CACHE_WIDTH_IN_TEXELS \
   (D3D_MASK_CACHE_TILE_WIDTH * D3D_MASK_CACHE_WIDTH_IN_TILES)
#define D3D_MASK_CACHE_HEIGHT_IN_TEXELS \
   (D3D_MASK_CACHE_TILE_HEIGHT * D3D_MASK_CACHE_HEIGHT_IN_TILES)

/*
 * We reserve one (fully opaque) tile in the upper-right corner for
 * operations where the mask is null.
 */
#define D3D_MASK_CACHE_MAX_INDEX \
   ((D3D_MASK_CACHE_WIDTH_IN_TILES * D3D_MASK_CACHE_HEIGHT_IN_TILES) - 1)
#define D3D_MASK_CACHE_SPECIAL_TILE_X \
   (D3D_MASK_CACHE_WIDTH_IN_TEXELS - D3D_MASK_CACHE_TILE_WIDTH)
#define D3D_MASK_CACHE_SPECIAL_TILE_Y \
   (D3D_MASK_CACHE_HEIGHT_IN_TEXELS - D3D_MASK_CACHE_TILE_HEIGHT)

class D3DContext;

class D3DMaskCache {
public:
    HRESULT Init(D3DContext *pCtx);
    void    ReleaseDefPoolResources() {};
            ~D3DMaskCache();
    HRESULT Enable();
    HRESULT Disable();
    HRESULT AddMaskQuad(int srcx, int srcy,
                        int dstx, int dsty,
                        int width, int height,
                        int maskscan, void *mask);

static
    HRESULT CreateInstance(D3DContext *pCtx, D3DMaskCache **ppMaskCache);

private:
               D3DMaskCache();
    UINT       maskCacheIndex;
    D3DContext *pCtx;
};

#endif // D3DMASKCACHE_H

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