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/*
* Copyright (c) 2009, 2013, 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.
*/
/*
* This file was originally generated by JSLC
* and then hand edited for performance.
*/
#include
#include
#include "SSEUtils.h"
#include "com_sun_scenario_effect_impl_sw_sse_SSELinearConvolveShadowPeer.h"
#define cmin 1.0f
#define cmax (255.0f - 1.0f/32.0f)
JNIEXPORT void JNICALL
Java_com_sun_scenario_effect_impl_sw_sse_SSELinearConvolveShadowPeer_filterVector
(JNIEnv *env, jclass klass,
jintArray dstPixels_arr, jint dstw, jint dsth, jint dstscan,
jintArray srcPixels_arr, jint srcw, jint srch, jint srcscan,
jfloatArray weights_arr, jint count,
jfloat srcx0, jfloat srcy0,
jfloat offsetx, jfloat offsety,
jfloat deltax, jfloat deltay,
jfloatArray shadowColor_arr,
jfloat dxcol, jfloat dycol, jfloat dxrow, jfloat dyrow)
{
if (count > 128) return;
jfloat weights[128];
env->GetFloatArrayRegion(weights_arr, 0, count, weights);
jfloat shadowColor[4];
env->GetFloatArrayRegion(shadowColor_arr, 0, 4, shadowColor);
jint *srcPixels = (jint *)env->GetPrimitiveArrayCritical(srcPixels_arr, 0);
if (srcPixels == NULL) return;
jint *dstPixels = (jint *)env->GetPrimitiveArrayCritical(dstPixels_arr, 0);
if (dstPixels == NULL) {
env->ReleasePrimitiveArrayCritical(srcPixels_arr, srcPixels, JNI_ABORT);
return;
}
jint dstrow = 0;
// srcxy0 point at UL corner, shift them to center of 1st dest pixel:
srcx0 += (dxrow + dxcol) * 0.5f;
srcy0 += (dyrow + dycol) * 0.5f;
for (jint dy = 0; dy < dsth; dy++) {
jfloat srcx = srcx0;
jfloat srcy = srcy0;
for (jint dx = 0; dx < dstw; dx++) {
jfloat sum = 0.0f;
jfloat sampx = srcx + offsetx;
jfloat sampy = srcy + offsety;
for (jint i = 0; i < count; ++i) {
if (sampx >= 0 && sampy >= 0) {
jint ix = (jint) sampx;
jint iy = (jint) sampy;
if (ix < srcw && iy < srch) {
// TODO: linear interp the alphas... (RT-27407)
jint argb = srcPixels[iy * srcscan + ix];
sum += ((jfloat) ((argb >> 24) & 0xff)) * weights[i];
}
}
sampx += deltax;
sampy += deltay;
}
sum = (sum < 0.0f) ? 0.0f : ((sum > 255.0f) ? 255.0f : sum);
dstPixels[dstrow + dx] = ((jint) (shadowColor[0] * sum) << 16) |
((jint) (shadowColor[1] * sum) << 8) |
((jint) (shadowColor[2] * sum) << 0) |
((jint) (shadowColor[3] * sum) << 24);
srcx += dxcol;
srcy += dycol;
}
srcx0 += dxrow;
srcy0 += dyrow;
dstrow += dstscan;
}
env->ReleasePrimitiveArrayCritical(dstPixels_arr, dstPixels, 0);
env->ReleasePrimitiveArrayCritical(srcPixels_arr, srcPixels, JNI_ABORT);
}
/*
* In the nomenclature of the argument list for this method, "row" refers
* to the coordinate which increments once for each new stream of single
* axis data that we are blurring in a single pass. And "col" refers to
* the other coordinate that increments along the row.
* Rows are horizontal in the first pass and vertical in the second pass.
* Cols are vice versa.
*/
JNIEXPORT void JNICALL
Java_com_sun_scenario_effect_impl_sw_sse_SSELinearConvolveShadowPeer_filterHV
(JNIEnv *env, jclass klass,
jintArray dstPixels_arr, jint dstcols, jint dstrows, jint dcolinc, jint drowinc,
jintArray srcPixels_arr, jint srccols, jint srcrows, jint scolinc, jint srowinc,
jfloatArray kvals_arr, jfloatArray shadowColor_arr)
{
jint kernelSize = env->GetArrayLength(kvals_arr) / 2;
if (kernelSize > 128) return;
jfloat kvals[256];
env->GetFloatArrayRegion(kvals_arr, 0, kernelSize * 2, kvals);
jfloat shadowColor[4];
env->GetFloatArrayRegion(shadowColor_arr, 0, 4, shadowColor);
jint shadowRGBs[256];
for (jint i = 0; i < 256; i++) {
shadowRGBs[i] = ((int) (shadowColor[0] * i) << 16) |
((int) (shadowColor[1] * i) << 8) |
((int) (shadowColor[2] * i) << 0) |
((int) (shadowColor[3] * i) << 24);
}
jint *srcPixels = (jint *)env->GetPrimitiveArrayCritical(srcPixels_arr, 0);
if (srcPixels == NULL) return;
jint *dstPixels = (jint *)env->GetPrimitiveArrayCritical(dstPixels_arr, 0);
if (dstPixels == NULL) {
env->ReleasePrimitiveArrayCritical(srcPixels_arr, srcPixels, JNI_ABORT);
return;
}
// avals stores the alpha values from the surrounding K pixels
// from x-r to x+r
jfloat avals[128];
jint dstrow = 0;
jint srcrow = 0;
for (jint r = 0; r < dstrows; r++) {
jint dstoff = dstrow;
jint srcoff = srcrow;
// Must clear out the array at the start of every line
// Might be able to rely on the fact that the previous line must
// have run out of data towards the end of the scan line, though.
for (jint i = 0; i < kernelSize; i++) {
avals[i] = 0.0f;
}
jint koff = kernelSize;
for (jint c = 0; c < dstcols; c++) {
// Load the data for this x location into the array.
jint rgb = (c < srccols) ? srcPixels[srcoff] : 0;
avals[kernelSize - koff] = (jfloat) ((rgb >> 24) & 0xff);
// Bump the koff to the next spot to align the coefficients.
if (--koff <= 0) {
koff += kernelSize;
}
jfloat sum = -0.5f;
for (jint i = 0; i < kernelSize; i++) {
sum += avals[i] * kvals[koff + i];
}
dstPixels[dstoff] =
((sum < 0.0f) ? 0
: ((sum >= 254.0f) ? shadowRGBs[255]
: shadowRGBs[((jint) sum) + 1]));
dstoff += dcolinc;
srcoff += scolinc;
}
dstrow += drowinc;
srcrow += srowinc;
}
env->ReleasePrimitiveArrayCritical(dstPixels_arr, dstPixels, 0);
env->ReleasePrimitiveArrayCritical(srcPixels_arr, srcPixels, JNI_ABORT);
}
