symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/vga_template.h
author johnathan.white@2718R8BGH51.accenture.com
Mon, 08 Mar 2010 18:45:03 +0000
changeset 46 b6935a90ca64
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority

/*
 * QEMU VGA Emulator templates
 *
 * Copyright (c) 2003 Fabrice Bellard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#if DEPTH == 8
#define BPP 1
#define PIXEL_TYPE uint8_t
#elif DEPTH == 15 || DEPTH == 16
#define BPP 2
#define PIXEL_TYPE uint16_t
#elif DEPTH == 32
#define BPP 4
#define PIXEL_TYPE uint32_t
#else
#error unsupport depth
#endif

#ifdef BGR_FORMAT
#define PIXEL_NAME glue(DEPTH, bgr)
#else
#define PIXEL_NAME DEPTH
#endif /* BGR_FORMAT */

#if DEPTH != 15 && !defined(BGR_FORMAT)

static inline void glue(vga_draw_glyph_line_, DEPTH)(uint8_t *d,
                                                     uint32_t font_data,
                                                     uint32_t xorcol,
                                                     uint32_t bgcol)
{
#if BPP == 1
        ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
        ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
#elif BPP == 2
        ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
        ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
        ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
        ((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
#else
        ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
        ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
#endif
}

static void glue(vga_draw_glyph8_, DEPTH)(uint8_t *d, int linesize,
                                          const uint8_t *font_ptr, int h,
                                          uint32_t fgcol, uint32_t bgcol)
{
    uint32_t font_data, xorcol;

    xorcol = bgcol ^ fgcol;
    do {
        font_data = font_ptr[0];
        glue(vga_draw_glyph_line_, DEPTH)(d, font_data, xorcol, bgcol);
        font_ptr += 4;
        d += linesize;
    } while (--h);
}

static void glue(vga_draw_glyph16_, DEPTH)(uint8_t *d, int linesize,
                                          const uint8_t *font_ptr, int h,
                                          uint32_t fgcol, uint32_t bgcol)
{
    uint32_t font_data, xorcol;

    xorcol = bgcol ^ fgcol;
    do {
        font_data = font_ptr[0];
        glue(vga_draw_glyph_line_, DEPTH)(d,
                                          expand4to8[font_data >> 4],
                                          xorcol, bgcol);
        glue(vga_draw_glyph_line_, DEPTH)(d + 8 * BPP,
                                          expand4to8[font_data & 0x0f],
                                          xorcol, bgcol);
        font_ptr += 4;
        d += linesize;
    } while (--h);
}

static void glue(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize,
                                          const uint8_t *font_ptr, int h,
                                          uint32_t fgcol, uint32_t bgcol, int dup9)
{
    uint32_t font_data, xorcol, v;

    xorcol = bgcol ^ fgcol;
    do {
        font_data = font_ptr[0];
#if BPP == 1
        cpu_to_32wu((uint32_t *)d, (dmask16[(font_data >> 4)] & xorcol) ^ bgcol);
        v = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
        cpu_to_32wu(((uint32_t *)d)+1, v);
        if (dup9)
            ((uint8_t *)d)[8] = v >> (24 * (1 - BIG));
        else
            ((uint8_t *)d)[8] = bgcol;

#elif BPP == 2
        cpu_to_32wu(((uint32_t *)d)+0, (dmask4[(font_data >> 6)] & xorcol) ^ bgcol);
        cpu_to_32wu(((uint32_t *)d)+1, (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol);
        cpu_to_32wu(((uint32_t *)d)+2, (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol);
        v = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
        cpu_to_32wu(((uint32_t *)d)+3, v);
        if (dup9)
            ((uint16_t *)d)[8] = v >> (16 * (1 - BIG));
        else
            ((uint16_t *)d)[8] = bgcol;
#else
        ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
        ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
        v = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
        ((uint32_t *)d)[7] = v;
        if (dup9)
            ((uint32_t *)d)[8] = v;
        else
            ((uint32_t *)d)[8] = bgcol;
#endif
        font_ptr += 4;
        d += linesize;
    } while (--h);
}

/*
 * 4 color mode
 */
static void glue(vga_draw_line2_, DEPTH)(VGAState *s1, uint8_t *d,
                                         const uint8_t *s, int width)
{
    uint32_t plane_mask, *palette, data, v;
    int x;

    palette = s1->last_palette;
    plane_mask = mask16[s1->ar[0x12] & 0xf];
    width >>= 3;
    for(x = 0; x < width; x++) {
        data = ((uint32_t *)s)[0];
        data &= plane_mask;
        v = expand2[GET_PLANE(data, 0)];
        v |= expand2[GET_PLANE(data, 2)] << 2;
        ((PIXEL_TYPE *)d)[0] = palette[v >> 12];
        ((PIXEL_TYPE *)d)[1] = palette[(v >> 8) & 0xf];
        ((PIXEL_TYPE *)d)[2] = palette[(v >> 4) & 0xf];
        ((PIXEL_TYPE *)d)[3] = palette[(v >> 0) & 0xf];

        v = expand2[GET_PLANE(data, 1)];
        v |= expand2[GET_PLANE(data, 3)] << 2;
        ((PIXEL_TYPE *)d)[4] = palette[v >> 12];
        ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
        ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
        ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
        d += BPP * 8;
        s += 4;
    }
}

#if BPP == 1
#define PUT_PIXEL2(d, n, v) ((uint16_t *)d)[(n)] = (v)
#elif BPP == 2
#define PUT_PIXEL2(d, n, v) ((uint32_t *)d)[(n)] = (v)
#else
#define PUT_PIXEL2(d, n, v) \
((uint32_t *)d)[2*(n)] = ((uint32_t *)d)[2*(n)+1] = (v)
#endif

/*
 * 4 color mode, dup2 horizontal
 */
static void glue(vga_draw_line2d2_, DEPTH)(VGAState *s1, uint8_t *d,
                                           const uint8_t *s, int width)
{
    uint32_t plane_mask, *palette, data, v;
    int x;

    palette = s1->last_palette;
    plane_mask = mask16[s1->ar[0x12] & 0xf];
    width >>= 3;
    for(x = 0; x < width; x++) {
        data = ((uint32_t *)s)[0];
        data &= plane_mask;
        v = expand2[GET_PLANE(data, 0)];
        v |= expand2[GET_PLANE(data, 2)] << 2;
        PUT_PIXEL2(d, 0, palette[v >> 12]);
        PUT_PIXEL2(d, 1, palette[(v >> 8) & 0xf]);
        PUT_PIXEL2(d, 2, palette[(v >> 4) & 0xf]);
        PUT_PIXEL2(d, 3, palette[(v >> 0) & 0xf]);

        v = expand2[GET_PLANE(data, 1)];
        v |= expand2[GET_PLANE(data, 3)] << 2;
        PUT_PIXEL2(d, 4, palette[v >> 12]);
        PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
        PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
        PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
        d += BPP * 16;
        s += 4;
    }
}

/*
 * 16 color mode
 */
static void glue(vga_draw_line4_, DEPTH)(VGAState *s1, uint8_t *d,
                                         const uint8_t *s, int width)
{
    uint32_t plane_mask, data, v, *palette;
    int x;

    palette = s1->last_palette;
    plane_mask = mask16[s1->ar[0x12] & 0xf];
    width >>= 3;
    for(x = 0; x < width; x++) {
        data = ((uint32_t *)s)[0];
        data &= plane_mask;
        v = expand4[GET_PLANE(data, 0)];
        v |= expand4[GET_PLANE(data, 1)] << 1;
        v |= expand4[GET_PLANE(data, 2)] << 2;
        v |= expand4[GET_PLANE(data, 3)] << 3;
        ((PIXEL_TYPE *)d)[0] = palette[v >> 28];
        ((PIXEL_TYPE *)d)[1] = palette[(v >> 24) & 0xf];
        ((PIXEL_TYPE *)d)[2] = palette[(v >> 20) & 0xf];
        ((PIXEL_TYPE *)d)[3] = palette[(v >> 16) & 0xf];
        ((PIXEL_TYPE *)d)[4] = palette[(v >> 12) & 0xf];
        ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
        ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
        ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
        d += BPP * 8;
        s += 4;
    }
}

/*
 * 16 color mode, dup2 horizontal
 */
static void glue(vga_draw_line4d2_, DEPTH)(VGAState *s1, uint8_t *d,
                                           const uint8_t *s, int width)
{
    uint32_t plane_mask, data, v, *palette;
    int x;

    palette = s1->last_palette;
    plane_mask = mask16[s1->ar[0x12] & 0xf];
    width >>= 3;
    for(x = 0; x < width; x++) {
        data = ((uint32_t *)s)[0];
        data &= plane_mask;
        v = expand4[GET_PLANE(data, 0)];
        v |= expand4[GET_PLANE(data, 1)] << 1;
        v |= expand4[GET_PLANE(data, 2)] << 2;
        v |= expand4[GET_PLANE(data, 3)] << 3;
        PUT_PIXEL2(d, 0, palette[v >> 28]);
        PUT_PIXEL2(d, 1, palette[(v >> 24) & 0xf]);
        PUT_PIXEL2(d, 2, palette[(v >> 20) & 0xf]);
        PUT_PIXEL2(d, 3, palette[(v >> 16) & 0xf]);
        PUT_PIXEL2(d, 4, palette[(v >> 12) & 0xf]);
        PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
        PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
        PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
        d += BPP * 16;
        s += 4;
    }
}

/*
 * 256 color mode, double pixels
 *
 * XXX: add plane_mask support (never used in standard VGA modes)
 */
static void glue(vga_draw_line8d2_, DEPTH)(VGAState *s1, uint8_t *d,
                                           const uint8_t *s, int width)
{
    uint32_t *palette;
    int x;

    palette = s1->last_palette;
    width >>= 3;
    for(x = 0; x < width; x++) {
        PUT_PIXEL2(d, 0, palette[s[0]]);
        PUT_PIXEL2(d, 1, palette[s[1]]);
        PUT_PIXEL2(d, 2, palette[s[2]]);
        PUT_PIXEL2(d, 3, palette[s[3]]);
        d += BPP * 8;
        s += 4;
    }
}

/*
 * standard 256 color mode
 *
 * XXX: add plane_mask support (never used in standard VGA modes)
 */
static void glue(vga_draw_line8_, DEPTH)(VGAState *s1, uint8_t *d,
                                         const uint8_t *s, int width)
{
    uint32_t *palette;
    int x;

    palette = s1->last_palette;
    width >>= 3;
    for(x = 0; x < width; x++) {
        ((PIXEL_TYPE *)d)[0] = palette[s[0]];
        ((PIXEL_TYPE *)d)[1] = palette[s[1]];
        ((PIXEL_TYPE *)d)[2] = palette[s[2]];
        ((PIXEL_TYPE *)d)[3] = palette[s[3]];
        ((PIXEL_TYPE *)d)[4] = palette[s[4]];
        ((PIXEL_TYPE *)d)[5] = palette[s[5]];
        ((PIXEL_TYPE *)d)[6] = palette[s[6]];
        ((PIXEL_TYPE *)d)[7] = palette[s[7]];
        d += BPP * 8;
        s += 8;
    }
}

void glue(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
                                        const uint8_t *src1,
                                        int poffset, int w,
                                        unsigned int color0,
                                        unsigned int color1,
                                        unsigned int color_xor)
{
    const uint8_t *plane0, *plane1;
    int x, b0, b1;
    uint8_t *d;

    d = d1;
    plane0 = src1;
    plane1 = src1 + poffset;
    for(x = 0; x < w; x++) {
        b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
        b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
#if DEPTH == 8
        switch(b0 | (b1 << 1)) {
        case 0:
            break;
        case 1:
            d[0] ^= color_xor;
            break;
        case 2:
            d[0] = color0;
            break;
        case 3:
            d[0] = color1;
            break;
        }
#elif DEPTH == 16
        switch(b0 | (b1 << 1)) {
        case 0:
            break;
        case 1:
            ((uint16_t *)d)[0] ^= color_xor;
            break;
        case 2:
            ((uint16_t *)d)[0] = color0;
            break;
        case 3:
            ((uint16_t *)d)[0] = color1;
            break;
        }
#elif DEPTH == 32
        switch(b0 | (b1 << 1)) {
        case 0:
            break;
        case 1:
            ((uint32_t *)d)[0] ^= color_xor;
            break;
        case 2:
            ((uint32_t *)d)[0] = color0;
            break;
        case 3:
            ((uint32_t *)d)[0] = color1;
            break;
        }
#else
#error unsupported depth
#endif
        d += BPP;
    }
}

#endif /* DEPTH != 15 */


/* XXX: optimize */

/*
 * 15 bit color
 */
static void glue(vga_draw_line15_, PIXEL_NAME)(VGAState *s1, uint8_t *d,
                                          const uint8_t *s, int width)
{
#if DEPTH == 15 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
    memcpy(d, s, width * 2);
#else
    int w;
    uint32_t v, r, g, b;

    w = width;
    do {
        v = lduw_raw((void *)s);
        r = (v >> 7) & 0xf8;
        g = (v >> 2) & 0xf8;
        b = (v << 3) & 0xf8;
        ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
        s += 2;
        d += BPP;
    } while (--w != 0);
#endif
}

/*
 * 16 bit color
 */
static void glue(vga_draw_line16_, PIXEL_NAME)(VGAState *s1, uint8_t *d,
                                          const uint8_t *s, int width)
{
#if DEPTH == 16 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
    memcpy(d, s, width * 2);
#else
    int w;
    uint32_t v, r, g, b;

    w = width;
    do {
        v = lduw_raw((void *)s);
        r = (v >> 8) & 0xf8;
        g = (v >> 3) & 0xfc;
        b = (v << 3) & 0xf8;
        ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
        s += 2;
        d += BPP;
    } while (--w != 0);
#endif
}

/*
 * 24 bit color
 */
static void glue(vga_draw_line24_, PIXEL_NAME)(VGAState *s1, uint8_t *d,
                                          const uint8_t *s, int width)
{
    int w;
    uint32_t r, g, b;

    w = width;
    do {
#if defined(TARGET_WORDS_BIGENDIAN)
        r = s[0];
        g = s[1];
        b = s[2];
#else
        b = s[0];
        g = s[1];
        r = s[2];
#endif
        ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
        s += 3;
        d += BPP;
    } while (--w != 0);
}

/*
 * 32 bit color
 */
static void glue(vga_draw_line32_, PIXEL_NAME)(VGAState *s1, uint8_t *d,
                                          const uint8_t *s, int width)
{
#if DEPTH == 32 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) && !defined(BGR_FORMAT)
    memcpy(d, s, width * 4);
#else
    int w;
    uint32_t r, g, b;

    w = width;
    do {
#if defined(TARGET_WORDS_BIGENDIAN)
        r = s[1];
        g = s[2];
        b = s[3];
#else
        b = s[0];
        g = s[1];
        r = s[2];
#endif
        ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
        s += 4;
        d += BPP;
    } while (--w != 0);
#endif
}

#undef PUT_PIXEL2
#undef DEPTH
#undef BPP
#undef PIXEL_TYPE
#undef PIXEL_NAME
#undef BGR_FORMAT