diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper_mips_dsp.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper_mips_dsp.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper_mips_dsp.cpp b/src/gui/painting/qdrawhelper_mips_dsp.cpp new file mode 100644 index 0000000000..9b104eb5c9 --- /dev/null +++ b/src/gui/painting/qdrawhelper_mips_dsp.cpp @@ -0,0 +1,176 @@ +/**************************************************************************** +** +** Copyright (C) 2012 MIPS Technologies, www.mips.com, author Damir Tatalovic <dtatalovic@mips.com> +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <private/qdrawhelper_p.h> +#include <private/qdrawhelper_mips_dsp_p.h> +#include <private/qpaintengine_raster_p.h> + +QT_BEGIN_NAMESPACE + +#if defined(QT_HAVE_MIPS_DSP) + +extern "C" uint INTERPOLATE_PIXEL_255_asm_mips_dsp(uint x, uint a, uint y, uint b); + +extern "C" uint BYTE_MUL_asm_mips_dsp(uint x, uint a); + +extern "C" uint * destfetchARGB32_asm_mips_dsp(uint *buffer, const uint *data, int length); + +extern "C" uint * qt_destStoreARGB32_asm_mips_dsp(uint *buffer, const uint *data, int length); + +#if defined(QT_HAVE_MIPS_DSPR2) + +extern "C" uint INTERPOLATE_PIXEL_255_asm_mips_dspr2(uint x, uint a, uint y, uint b); + +extern "C" uint BYTE_MUL_asm_mips_dspr2(uint x, uint a); + +#endif // QT_HAVE_MIPS_DSPR2 + +void qt_blend_argb32_on_argb32_mips_dsp(uchar *destPixels, int dbpl, + const uchar *srcPixels, int sbpl, + int w, int h, + int const_alpha) + +{ +#ifdef QT_DEBUG_DRAW + fprintf(stdout, + "qt_blend_argb32_on_argb32: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n", + destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); + fflush(stdout); +#endif + + const uint *src = (const uint *) srcPixels; + uint *dst = (uint *) destPixels; + if (const_alpha == 256) { + for (int y=0; y<h; ++y) { + for (int x=0; x<w; ++x) { + uint s = src[x]; + if (s >= 0xff000000) + dst[x] = s; + else if (s != 0) +#if !defined(QT_HAVE_MIPS_DSPR2) + dst[x] = s + BYTE_MUL_asm_mips_dsp(dst[x], qAlpha(~s)); +#else + dst[x] = s + BYTE_MUL_asm_mips_dspr2(dst[x], qAlpha(~s)); +#endif + } + dst = (quint32 *)(((uchar *) dst) + dbpl); + src = (const quint32 *)(((const uchar *) src) + sbpl); + } + } else if (const_alpha != 0) { + const_alpha = (const_alpha * 255) >> 8; + for (int y=0; y<h; ++y) { + for (int x=0; x<w; ++x) { +#if !defined(QT_HAVE_MIPS_DSPR2) + uint s = BYTE_MUL_asm_mips_dsp(src[x], const_alpha); + dst[x] = s + BYTE_MUL_asm_mips_dsp(dst[x], qAlpha(~s)); +#else + uint s = BYTE_MUL_asm_mips_dspr2(src[x], const_alpha); + dst[x] = s + BYTE_MUL_asm_mips_dspr2(dst[x], qAlpha(~s)); +#endif + } + dst = (quint32 *)(((uchar *) dst) + dbpl); + src = (const quint32 *)(((const uchar *) src) + sbpl); + } + } +} + +void qt_blend_rgb32_on_rgb32_mips_dsp(uchar *destPixels, int dbpl, + const uchar *srcPixels, int sbpl, + int w, int h, + int const_alpha) +{ +#ifdef QT_DEBUG_DRAW + fprintf(stdout, + "qt_blend_rgb32_on_rgb32: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n", + destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); + fflush(stdout); +#endif + + if (const_alpha != 256) { + qt_blend_argb32_on_argb32_mips_dsp(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); + return; + } + + const uint *src = (const uint *) srcPixels; + uint *dst = (uint *) destPixels; + int len = w * 4; + for (int y=0; y<h; ++y) { + memcpy(dst, src, len); + dst = (quint32 *)(((uchar *) dst) + dbpl); + src = (const quint32 *)(((const uchar *) src) + sbpl); + } +} + +void comp_func_Source_mips_dsp(uint *dest, const uint *src, int length, uint const_alpha) +{ + if (const_alpha == 255) { + ::memcpy(dest, src, length * sizeof(uint)); + } else { + int ialpha = 255 - const_alpha; + for (int i = 0; i < length; ++i) { +#if !defined(QT_HAVE_MIPS_DSPR2) + dest[i] = INTERPOLATE_PIXEL_255_asm_mips_dsp(src[i], const_alpha, dest[i], ialpha); +#else + dest[i] = INTERPOLATE_PIXEL_255_asm_mips_dspr2(src[i], const_alpha, dest[i], ialpha); +#endif + } + } +} + +uint * QT_FASTCALL qt_destFetchARGB32_mips_dsp(uint *buffer, + QRasterBuffer *rasterBuffer, + int x, int y, int length) +{ + const uint *data = (const uint *)rasterBuffer->scanLine(y) + x; + buffer = destfetchARGB32_asm_mips_dsp(buffer, data, length); + return buffer; +} + +void QT_FASTCALL qt_destStoreARGB32_mips_dsp(QRasterBuffer *rasterBuffer, int x, int y, + const uint *buffer, int length) +{ + uint *data = (uint *)rasterBuffer->scanLine(y) + x; + qt_destStoreARGB32_asm_mips_dsp(data, buffer, length); +} + +#endif // QT_HAVE_MIPS_DSP + +QT_END_NAMESPACE |