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path: root/src/gui/painting/qdrawhelper_mips_dsp.cpp
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/****************************************************************************
**
** Copyright (C) 2013 Imagination Technologies Limited, www.imgtec.com
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <private/qdrawhelper_p.h>
#include <private/qdrawhelper_mips_dsp_p.h>
#include <private/qpaintengine_raster_p.h>

QT_BEGIN_NAMESPACE

void qt_memfill32(quint32 *dest, quint32 color, int count)
{
    qt_memfill32_asm_mips_dsp(dest, color, count);
}

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) {
            qt_blend_argb32_on_argb32_const_alpha_256_mips_dsp_asm(dst, src, w);
            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) {
            if (h%2 > 0) {
                uint s = BYTE_MUL(src[0], const_alpha);
                dst[0] = s + BYTE_MUL(dst[0], qAlpha(~s));
                h--;
                dst++;
                src++;
            }
            qt_blend_argb32_on_argb32_mips_dsp_asm_x2(dst, src, h, const_alpha);
            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);
    }
}

#if defined(__MIPS_DSPR2__)
void qt_blend_rgb16_on_rgb16_mips_dspr2(uchar *destPixels, int dbpl,
                                        const uchar *srcPixels, int sbpl,
                                        int w, int h,
                                        int const_alpha)
{
    if (const_alpha == 256) {
        if (w < 256) {
            const quint16 *src = (const quint16*) srcPixels;
            quint16 *dst = (quint16*) destPixels;
            for (int y = 0; y < h; ++y) {
                qt_blend_rgb16_on_rgb16_const_alpha_256_mips_dsp_asm(dst, src, w);
                dst = (quint16*) (((uchar*) dst) + dbpl);
                src = (quint16*) (((uchar*) src) + sbpl);
            }
        }
        else {
            int length = w << 1;
            while (h--) {
                memcpy(destPixels, srcPixels, length);
                destPixels += dbpl;
                srcPixels += sbpl;
            }
        }
    }
    else if (const_alpha != 0) {
        const quint16 *src = (const quint16*) srcPixels;
        quint16 *dst = (quint16*) destPixels;
        for (int y = 0; y < h; ++y) {
            qt_blend_rgb16_on_rgb16_mips_dspr2_asm(dst, src, w, const_alpha);
            dst = (quint16*) (((uchar*) dst) + dbpl);
            src = (quint16*) (((uchar*) src) + sbpl);
        }
    }
}
#else
void qt_blend_rgb16_on_rgb16_mips_dsp(uchar *destPixels, int dbpl,
                                      const uchar *srcPixels, int sbpl,
                                      int w, int h,
                                      int const_alpha)
{
    if (const_alpha == 256) {
        if (w < 256) {
            const quint16 *src = (const quint16*) srcPixels;
            quint16 *dst = (quint16*) destPixels;
            for (int y = 0; y < h; ++y) {
                qt_blend_rgb16_on_rgb16_const_alpha_256_mips_dsp_asm(dst, src, w);
                dst = (quint16*) (((uchar*) dst) + dbpl);
                src = (quint16*) (((uchar*) src) + sbpl);
            }
        }
        else {
            int length = w << 1;
            while (h--) {
                memcpy(destPixels, srcPixels, length);
                destPixels += dbpl;
                srcPixels += sbpl;
            }
        }
    }
    else if (const_alpha != 0) {
        const quint16 *src = (const quint16*) srcPixels;
        quint16 *dst = (quint16*) destPixels;
        for (int y = 0; y < h; ++y) {
            qt_blend_rgb16_on_rgb16_mips_dsp_asm(dst, src, w, const_alpha);
            dst = (quint16*) (((uchar*) dst) + dbpl);
            src = (quint16*) (((uchar*) src) + sbpl);
        }
    }
}
#endif

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;
        if (length%2 > 0) {
            dest[0] = INTERPOLATE_PIXEL_255(src[0], const_alpha, dest[0], ialpha);
            length--;
            dest++;
            src++;
        }
        comp_func_Source_dsp_asm_x2(dest, src, length, const_alpha);
    }
}

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);
}

void QT_FASTCALL comp_func_solid_SourceOver_mips_dsp(uint *dest, int length, uint color, uint const_alpha)
{
    if (const_alpha != 255)
        color = BYTE_MUL(color, const_alpha);
    if (length%2 > 0) {
        dest[0] = color + BYTE_MUL(dest[0], qAlpha(~color));
        length--;
        dest++;
    }
    comp_func_solid_Source_dsp_asm_x2(dest, length, color, qAlpha(~color));
}

void QT_FASTCALL comp_func_solid_DestinationOver_mips_dsp(uint *dest, int length, uint color, uint const_alpha)
{
    if (const_alpha != 255)
        color = BYTE_MUL(color, const_alpha);
    if (length%2 > 0) {
        uint d = dest[0];
        dest[0] = d + BYTE_MUL(color, qAlpha(~d));
        length--;
        dest++;
    }
    comp_func_solid_DestinationOver_dsp_asm_x2(dest, length, color);
}

void QT_FASTCALL comp_func_DestinationOver_mips_dsp(uint *dest, const uint *src, int length, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            uint d = dest[0];
            dest[0] = d + BYTE_MUL(src[0], qAlpha(~d));
        } else {
            uint d = dest[0];
            uint s = BYTE_MUL(src[0], const_alpha);
            dest[0] = d + BYTE_MUL(s, qAlpha(~d));
        }
        length--;
        dest++;
        src++;
    }
    comp_func_DestinationOver_dsp_asm_x2(dest, src, length, const_alpha);
}

void QT_FASTCALL comp_func_solid_SourceIn_mips_dsp(uint *dest, int length, uint color, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            dest[0] = BYTE_MUL(color, qAlpha(dest[0]));
        } else {
            uint tmp_color = BYTE_MUL(color, const_alpha);
            uint cia = 255 - const_alpha;
            uint d = dest[0];
            dest[0] = INTERPOLATE_PIXEL_255(tmp_color, qAlpha(d), d, cia);
        }
        length--;
        dest++;
    }
    comp_func_solid_SourceIn_dsp_asm_x2(dest, length, color, const_alpha);
}

void QT_FASTCALL comp_func_SourceIn_mips_dsp(uint *dest, const uint *src, int length, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            dest[0] = BYTE_MUL(src[0], qAlpha(dest[0]));
        } else {
            uint cia = 255 - const_alpha;
            uint d = dest[0];
            uint s = BYTE_MUL(src[0], const_alpha);
            dest[0] = INTERPOLATE_PIXEL_255(s, qAlpha(d), d, cia);
        }
        length--;
        dest++;
        src++;
    }
    comp_func_SourceIn_dsp_asm_x2(dest, src, length, const_alpha);
}

void QT_FASTCALL comp_func_solid_DestinationIn_mips_dsp(uint *dest, int length, uint color, uint const_alpha)
{
    uint a = qAlpha(color);
    if (const_alpha != 255) {
        a = BYTE_MUL(a, const_alpha) + 255 - const_alpha;
    }
    if (length%2 > 0) {
        dest[0] = BYTE_MUL(dest[0], a);
        length--;
        dest++;
    }
    comp_func_solid_DestinationIn_dsp_asm_x2(dest, length, a);
}

void QT_FASTCALL comp_func_DestinationIn_mips_dsp(uint *dest, const uint *src, int length, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            dest[0] = BYTE_MUL(dest[0], qAlpha(src[0]));
        } else {
            int cia = 255 - const_alpha;
            uint a = BYTE_MUL(qAlpha(src[0]), const_alpha) + cia;
            dest[0] = BYTE_MUL(dest[0], a);
        }
    length--;
    src++;
    dest++;
    }
    comp_func_DestinationIn_dsp_asm_x2(dest, src, length, const_alpha);
}

void QT_FASTCALL comp_func_solid_DestinationOut_mips_dsp(uint *dest, int length, uint color, uint const_alpha)
{
    uint a = qAlpha(~color);
    if (const_alpha != 255) {
        a = BYTE_MUL(a, const_alpha) + 255 - const_alpha;
    }
    if (length%2 > 0) {
        dest[0] = BYTE_MUL(dest[0], a);
        length--;
        dest++;
    }
    comp_func_solid_DestinationIn_dsp_asm_x2(dest, length, a);
}

void QT_FASTCALL comp_func_DestinationOut_mips_dsp(uint *dest, const uint *src, int length, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            dest[0] = BYTE_MUL(dest[0], qAlpha(~src[0]));
        } else {
            int cia = 255 - const_alpha;
            uint sia = BYTE_MUL(qAlpha(~src[0]), const_alpha) + cia;
            dest[0] = BYTE_MUL(dest[0], sia);
        }
        length--;
        dest++;
        src++;
    }
    comp_func_DestinationOut_dsp_asm_x2(dest, src, length, const_alpha);
}

void QT_FASTCALL comp_func_solid_SourceAtop_mips_dsp(uint *dest, int length, uint color, uint const_alpha)
{
    if (const_alpha != 255) {
        color = BYTE_MUL(color, const_alpha);
    }
    uint sia = qAlpha(~color);
    if (length%2 > 0) {
        dest[0] = INTERPOLATE_PIXEL_255(color, qAlpha(dest[0]), dest[0], sia);
        length--;
        dest++;
    }
    comp_func_solid_SourceAtop_dsp_asm_x2(dest, length, color, sia);
}

void QT_FASTCALL comp_func_SourceAtop_mips_dsp(uint *dest, const uint *src, int length, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            uint s = src[0];
            uint d = dest[0];
            dest[0] = INTERPOLATE_PIXEL_255(s, qAlpha(d), d, qAlpha(~s));
        } else {
            uint s = BYTE_MUL(src[0], const_alpha);
            uint d = dest[0];
            dest[0] = INTERPOLATE_PIXEL_255(s, qAlpha(d), d, qAlpha(~s));
        }
        length--;
        dest++;
        src++;
    }
    comp_func_SourceAtop_dsp_asm_x2(dest, src, length, const_alpha);
}


void QT_FASTCALL comp_func_solid_DestinationAtop_mips_dsp(uint *dest, int length, uint color, uint const_alpha)
{
    uint a = qAlpha(color);
    if (const_alpha != 255) {
        color = BYTE_MUL(color, const_alpha);
        a = qAlpha(color) + 255 - const_alpha;
    }
    if (length%2 > 0) {
        uint d = dest[0];
        dest[0] = INTERPOLATE_PIXEL_255(d, a, color, qAlpha(~d));
        length--;
        dest++;
    }
    comp_func_solid_DestinationAtop_dsp_asm_x2(dest, length, color, a);
}

void QT_FASTCALL comp_func_DestinationAtop_mips_dsp(uint *dest, const uint *src, int length, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            uint s = src[0];
            uint d = dest[0];
            dest[0] = INTERPOLATE_PIXEL_255(d, qAlpha(s), s, qAlpha(~d));
        } else {
            int cia = 255 - const_alpha;
            uint s = BYTE_MUL(src[0], const_alpha);
            uint d = dest[0];
            uint a = qAlpha(s) + cia;
            dest[0] = INTERPOLATE_PIXEL_255(d, a, s, qAlpha(~d));
        }
        length--;
        dest++;
        src++;
    }
    comp_func_DestinationAtop_dsp_asm_x2(dest, src, length, const_alpha);
}

void QT_FASTCALL comp_func_solid_XOR_mips_dsp(uint *dest, int length, uint color, uint const_alpha)
{
    if (const_alpha != 255)
        color = BYTE_MUL(color, const_alpha);
    uint sia = qAlpha(~color);

     if (length%2 > 0) {
        uint d = dest[0];
        dest[0] = INTERPOLATE_PIXEL_255(color, qAlpha(~d), d, sia);
        length--;
        dest++;
    }
    comp_func_solid_XOR_dsp_asm_x2(dest, length, color, sia);
}

void QT_FASTCALL comp_func_XOR_mips_dsp(uint *dest, const uint *src, int length, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            uint d = dest[0];
            uint s = src[0];
            dest[0] = INTERPOLATE_PIXEL_255(s, qAlpha(~d), d, qAlpha(~s));
        } else {
            uint d = dest[0];
            uint s = BYTE_MUL(src[0], const_alpha);
            dest[0] = INTERPOLATE_PIXEL_255(s, qAlpha(~d), d, qAlpha(~s));
        }
        length--;
        dest++;
        src++;
    }
    comp_func_XOR_dsp_asm_x2(dest, src, length, const_alpha);
}

void QT_FASTCALL comp_func_solid_SourceOut_mips_dsp(uint *dest, int length, uint color, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            dest[0] = BYTE_MUL(color, qAlpha(~dest[0]));
        } else {
            uint tmp_color = BYTE_MUL(color, const_alpha);
            int cia = 255 - const_alpha;
            uint d = dest[0];
            dest[0] = INTERPOLATE_PIXEL_255(tmp_color, qAlpha(~d), d, cia);
        }
        length--;
        dest++;
    }
    comp_func_solid_SourceOut_dsp_asm_x2(dest, length, color, const_alpha);
}

void QT_FASTCALL comp_func_SourceOut_mips_dsp(uint *dest, const uint *src, int length, uint const_alpha)
{
    if (length%2 > 0) {
        if (const_alpha == 255) {
            dest[0] = BYTE_MUL(src[0], qAlpha(~dest[0]));
        } else {
            int cia = 255 - const_alpha;
            uint s = BYTE_MUL(src[0], const_alpha);
            uint d = dest[0];
            dest[0] = INTERPOLATE_PIXEL_255(s, qAlpha(~d), d, cia);
        }
        length--;
        dest++;
        src++;
    }
    comp_func_SourceOut_dsp_asm_x2(dest, src, length, const_alpha);
}

const uint * QT_FASTCALL qt_fetchUntransformed_888_mips_dsp (uint *buffer, const Operator *, const QSpanData *data,
                                             int y, int x, int length)
{
    const uchar *line = data->texture.scanLine(y) + x * 3;
    fetchUntransformed_888_asm_mips_dsp(buffer, line, length);
    return buffer;
}

const uint * QT_FASTCALL qt_fetchUntransformed_444_mips_dsp (uint *buffer, const Operator *, const QSpanData *data,
                                             int y, int x, int length)
{
    const uchar *line = data->texture.scanLine(y) + x * 2;
    fetchUntransformed_444_asm_mips_dsp(buffer, line, length);
    return buffer;
}

const uint * QT_FASTCALL qt_fetchUntransformed_argb8565_premultiplied_mips_dsp (uint *buffer, const Operator *, const QSpanData *data,
                                             int y, int x, int length)
{
    const uchar *line = data->texture.scanLine(y) + x * 3;
    fetchUntransformed_argb8565_premultiplied_asm_mips_dsp(buffer, line, length);
    return buffer;
}

#if defined(__MIPS_DSPR2__)
extern "C" void  qConvertRgb16To32_asm_mips_dspr2(quint32 *dest, const quint16 *src, int length);

const uint *QT_FASTCALL qt_fetchUntransformedRGB16_mips_dspr2(uint *buffer, const Operator *,
                                                              const QSpanData *data, int y, int x,
                                                              int length)
{
    const quint16 *scanLine = (const quint16 *)data->texture.scanLine(y) + x;
    qConvertRgb16To32_asm_mips_dspr2(buffer, scanLine, length);
    return buffer;
}
#endif

QT_END_NAMESPACE