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/*
* Copyright 2007-2008 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
#include <stdlib.h>
#include <jlong.h>
#include "D3DMaskBlit.h"
#include "D3DRenderQueue.h"
#include "D3DSurfaceData.h"
/**
* REMIND: This method assumes that the dimensions of the incoming pixel
* array are less than or equal to the cached blit texture tile;
* these are rather fragile assumptions, and should be cleaned up...
*/
HRESULT
D3DMaskBlit_MaskBlit(JNIEnv *env, D3DContext *d3dc,
jint dstx, jint dsty,
jint width, jint height,
void *pPixels)
{
HRESULT res = S_OK;
jfloat dx1, dy1, dx2, dy2;
jfloat tx1, ty1, tx2, ty2;
J2dTraceLn(J2D_TRACE_INFO, "D3DMaskBlit_MaskBlit");
if (width <= 0 || height <= 0) {
J2dTraceLn(J2D_TRACE_WARNING,
"D3DMaskBlit_MaskBlit: invalid dimensions");
return res;
}
RETURN_STATUS_IF_NULL(pPixels, E_FAIL);
RETURN_STATUS_IF_NULL(d3dc, E_FAIL);
if (FAILED(res = d3dc->BeginScene(STATE_TEXTUREOP))) {
return res;
}
D3DResource *pBlitTexRes;
if (FAILED(res =
d3dc->GetResourceManager()->GetBlitTexture(&pBlitTexRes)))
{
return res;
}
IDirect3DTexture9 *pBlitTex = pBlitTexRes->GetTexture();
if (FAILED(res = d3dc->SetTexture(pBlitTex, 0))) {
return res;
}
IDirect3DDevice9 *pd3dDevice = d3dc->Get3DDevice();
D3DTEXTUREFILTERTYPE fhint =
d3dc->IsTextureFilteringSupported(D3DTEXF_NONE) ?
D3DTEXF_NONE : D3DTEXF_POINT;
pd3dDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, fhint);
pd3dDevice->SetSamplerState(0, D3DSAMP_MINFILTER, fhint);
// copy system memory IntArgbPre surface into cached texture
if (FAILED(res = d3dc->UploadTileToTexture(pBlitTexRes, pPixels,
0, 0, 0, 0,
width, height,
width*4,
TILEFMT_4BYTE_ARGB_PRE)))
{
return res;
}
dx1 = (jfloat)dstx;
dy1 = (jfloat)dsty;
dx2 = dx1 + width;
dy2 = dy1 + height;
tx1 = 0.0f;
ty1 = 0.0f;
tx2 = ((jfloat)width) / D3DC_BLIT_TILE_SIZE;
ty2 = ((jfloat)height) / D3DC_BLIT_TILE_SIZE;
// render cached texture to the destination surface
res = d3dc->pVCacher->DrawTexture(dx1, dy1, dx2, dy2,
tx1, ty1, tx2, ty2);
res = d3dc->pVCacher->Render();
return res;
}
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