1 /*
2  * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 #include <stdlib.h>
27 #include <jlong.h>
28 
29 #include "D3DMaskBlit.h"
30 #include "D3DRenderQueue.h"
31 #include "D3DSurfaceData.h"
32 
33 /**
34  * REMIND: This method assumes that the dimensions of the incoming pixel
35  *         array are less than or equal to the cached blit texture tile;
36  *         these are rather fragile assumptions, and should be cleaned up...
37  */
38 HRESULT
D3DMaskBlit_MaskBlit(JNIEnv * env,D3DContext * d3dc,jint dstx,jint dsty,jint width,jint height,void * pPixels)39 D3DMaskBlit_MaskBlit(JNIEnv *env, D3DContext *d3dc,
40                      jint dstx, jint dsty,
41                      jint width, jint height,
42                      void *pPixels)
43 {
44     HRESULT res = S_OK;
45     jfloat dx1, dy1, dx2, dy2;
46     jfloat tx1, ty1, tx2, ty2;
47 
48     J2dTraceLn(J2D_TRACE_INFO, "D3DMaskBlit_MaskBlit");
49 
50     if (width <= 0 || height <= 0) {
51         J2dTraceLn(J2D_TRACE_WARNING,
52                    "D3DMaskBlit_MaskBlit: invalid dimensions");
53         return res;
54     }
55 
56     RETURN_STATUS_IF_NULL(pPixels, E_FAIL);
57     RETURN_STATUS_IF_NULL(d3dc, E_FAIL);
58     if (FAILED(res = d3dc->BeginScene(STATE_TEXTUREOP))) {
59         return res;
60     }
61 
62     D3DResource *pBlitTexRes;
63     if (FAILED(res =
64                d3dc->GetResourceManager()->GetBlitTexture(&pBlitTexRes)))
65     {
66         return res;
67     }
68     IDirect3DTexture9 *pBlitTex = pBlitTexRes->GetTexture();
69 
70     if (FAILED(res = d3dc->SetTexture(pBlitTex, 0))) {
71         return res;
72     }
73 
74     IDirect3DDevice9 *pd3dDevice = d3dc->Get3DDevice();
75     D3DTEXTUREFILTERTYPE fhint =
76         d3dc->IsTextureFilteringSupported(D3DTEXF_NONE) ?
77             D3DTEXF_NONE : D3DTEXF_POINT;
78     pd3dDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, fhint);
79     pd3dDevice->SetSamplerState(0, D3DSAMP_MINFILTER, fhint);
80 
81     // copy system memory IntArgbPre surface into cached texture
82     if (FAILED(res = d3dc->UploadTileToTexture(pBlitTexRes, pPixels,
83                                                0, 0, 0, 0,
84                                                width, height,
85                                                width*4,
86                                                TILEFMT_4BYTE_ARGB_PRE)))
87     {
88         return res;
89     }
90 
91     dx1 = (jfloat)dstx;
92     dy1 = (jfloat)dsty;
93     dx2 = dx1 + width;
94     dy2 = dy1 + height;
95 
96     tx1 = 0.0f;
97     ty1 = 0.0f;
98     tx2 = ((jfloat)width) / D3DC_BLIT_TILE_SIZE;
99     ty2 = ((jfloat)height) / D3DC_BLIT_TILE_SIZE;
100 
101     // render cached texture to the destination surface
102     res = d3dc->pVCacher->DrawTexture(dx1, dy1, dx2, dy2,
103                                       tx1, ty1, tx2, ty2);
104     res = d3dc->pVCacher->Render();
105 
106     return res;
107 }
108