[qemu.git] / hw / display / vga-helpers.h

/*
 * 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.
 */

static inline void vga_draw_glyph_line(uint8_t *d, uint32_t font_data,
                                       uint32_t xorcol, uint32_t bgcol)
{
        ((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;
}

static void vga_draw_glyph8(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];
        vga_draw_glyph_line(d, font_data, xorcol, bgcol);
        font_ptr += 4;
        d += linesize;
    } while (--h);
}

static void vga_draw_glyph16(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];
        vga_draw_glyph_line(d, expand4to8[font_data >> 4],
                            xorcol, bgcol);
        vga_draw_glyph_line(d + 32, expand4to8[font_data & 0x0f],
                            xorcol, bgcol);
        font_ptr += 4;
        d += linesize;
    } while (--h);
}

static void vga_draw_glyph9(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];
        ((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;
        font_ptr += 4;
        d += linesize;
    } while (--h);
}

/*
 * 4 color mode
 */
static void vga_draw_line2(VGACommonState *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[VGA_ATC_PLANE_ENABLE] & 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;
        ((uint32_t *)d)[0] = palette[v >> 12];
        ((uint32_t *)d)[1] = palette[(v >> 8) & 0xf];
        ((uint32_t *)d)[2] = palette[(v >> 4) & 0xf];
        ((uint32_t *)d)[3] = palette[(v >> 0) & 0xf];

        v = expand2[GET_PLANE(data, 1)];
        v |= expand2[GET_PLANE(data, 3)] << 2;
        ((uint32_t *)d)[4] = palette[v >> 12];
        ((uint32_t *)d)[5] = palette[(v >> 8) & 0xf];
        ((uint32_t *)d)[6] = palette[(v >> 4) & 0xf];
        ((uint32_t *)d)[7] = palette[(v >> 0) & 0xf];
        d += 32;
        s += 4;
    }
}

#define PUT_PIXEL2(d, n, v) \
((uint32_t *)d)[2*(n)] = ((uint32_t *)d)[2*(n)+1] = (v)

/*
 * 4 color mode, dup2 horizontal
 */
static void vga_draw_line2d2(VGACommonState *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[VGA_ATC_PLANE_ENABLE] & 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 += 64;
        s += 4;
    }
}

/*
 * 16 color mode
 */
static void vga_draw_line4(VGACommonState *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[VGA_ATC_PLANE_ENABLE] & 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;
        ((uint32_t *)d)[0] = palette[v >> 28];
        ((uint32_t *)d)[1] = palette[(v >> 24) & 0xf];
        ((uint32_t *)d)[2] = palette[(v >> 20) & 0xf];
        ((uint32_t *)d)[3] = palette[(v >> 16) & 0xf];
        ((uint32_t *)d)[4] = palette[(v >> 12) & 0xf];
        ((uint32_t *)d)[5] = palette[(v >> 8) & 0xf];
        ((uint32_t *)d)[6] = palette[(v >> 4) & 0xf];
        ((uint32_t *)d)[7] = palette[(v >> 0) & 0xf];
        d += 32;
        s += 4;
    }
}

/*
 * 16 color mode, dup2 horizontal
 */
static void vga_draw_line4d2(VGACommonState *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[VGA_ATC_PLANE_ENABLE] & 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 += 64;
        s += 4;
    }
}

/*
 * 256 color mode, double pixels
 *
 * XXX: add plane_mask support (never used in standard VGA modes)
 */
static void vga_draw_line8d2(VGACommonState *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 += 32;
        s += 4;
    }
}

/*
 * standard 256 color mode
 *
 * XXX: add plane_mask support (never used in standard VGA modes)
 */
static void vga_draw_line8(VGACommonState *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++) {
        ((uint32_t *)d)[0] = palette[s[0]];
        ((uint32_t *)d)[1] = palette[s[1]];
        ((uint32_t *)d)[2] = palette[s[2]];
        ((uint32_t *)d)[3] = palette[s[3]];
        ((uint32_t *)d)[4] = palette[s[4]];
        ((uint32_t *)d)[5] = palette[s[5]];
        ((uint32_t *)d)[6] = palette[s[6]];
        ((uint32_t *)d)[7] = palette[s[7]];
        d += 32;
        s += 8;
    }
}

/*
 * 15 bit color
 */
static void vga_draw_line15_le(VGACommonState *s1, uint8_t *d,
                               const uint8_t *s, int width)
{
    int w;
    uint32_t v, r, g, b;

    w = width;
    do {
        v = lduw_le_p((void *)s);
        r = (v >> 7) & 0xf8;
        g = (v >> 2) & 0xf8;
        b = (v << 3) & 0xf8;
        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
        s += 2;
        d += 4;
    } while (--w != 0);
}

static void vga_draw_line15_be(VGACommonState *s1, uint8_t *d,
                               const uint8_t *s, int width)
{
    int w;
    uint32_t v, r, g, b;

    w = width;
    do {
        v = lduw_be_p((void *)s);
        r = (v >> 7) & 0xf8;
        g = (v >> 2) & 0xf8;
        b = (v << 3) & 0xf8;
        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
        s += 2;
        d += 4;
    } while (--w != 0);
}

/*
 * 16 bit color
 */
static void vga_draw_line16_le(VGACommonState *s1, uint8_t *d,
                               const uint8_t *s, int width)
{
    int w;
    uint32_t v, r, g, b;

    w = width;
    do {
        v = lduw_le_p((void *)s);
        r = (v >> 8) & 0xf8;
        g = (v >> 3) & 0xfc;
        b = (v << 3) & 0xf8;
        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
        s += 2;
        d += 4;
    } while (--w != 0);
}

static void vga_draw_line16_be(VGACommonState *s1, uint8_t *d,
                               const uint8_t *s, int width)
{
    int w;
    uint32_t v, r, g, b;

    w = width;
    do {
        v = lduw_be_p((void *)s);
        r = (v >> 8) & 0xf8;
        g = (v >> 3) & 0xfc;
        b = (v << 3) & 0xf8;
        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
        s += 2;
        d += 4;
    } while (--w != 0);
}

/*
 * 24 bit color
 */
static void vga_draw_line24_le(VGACommonState *s1, uint8_t *d,
                               const uint8_t *s, int width)
{
    int w;
    uint32_t r, g, b;

    w = width;
    do {
        b = s[0];
        g = s[1];
        r = s[2];
        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
        s += 3;
        d += 4;
    } while (--w != 0);
}

static void vga_draw_line24_be(VGACommonState *s1, uint8_t *d,
                               const uint8_t *s, int width)
{
    int w;
    uint32_t r, g, b;

    w = width;
    do {
        r = s[0];
        g = s[1];
        b = s[2];
        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
        s += 3;
        d += 4;
    } while (--w != 0);
}

/*
 * 32 bit color
 */
static void vga_draw_line32_le(VGACommonState *s1, uint8_t *d,
                               const uint8_t *s, int width)
{
#ifndef HOST_WORDS_BIGENDIAN
    memcpy(d, s, width * 4);
#else
    int w;
    uint32_t r, g, b;

    w = width;
    do {
        b = s[0];
        g = s[1];
        r = s[2];
        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
        s += 4;
        d += 4;
    } while (--w != 0);
#endif
}

static void vga_draw_line32_be(VGACommonState *s1, uint8_t *d,
                               const uint8_t *s, int width)
{
#ifdef HOST_WORDS_BIGENDIAN
    memcpy(d, s, width * 4);
#else
    int w;
    uint32_t r, g, b;

    w = width;
    do {
        r = s[1];
        g = s[2];
        b = s[3];
        ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
        s += 4;
        d += 4;
    } while (--w != 0);
#endif
}
Commit	Line	Data
e89f66ec FB	1	/*
e89f66ec FB	2	* QEMU VGA Emulator templates
5fafdf24	3	*
e89f66ec	4	* Copyright (c) 2003 Fabrice Bellard
5fafdf24	5	*
e89f66ec FB	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24
d2e043a8 BH	25	static inline void vga_draw_glyph_line(uint8_t *d, uint32_t font_data,
d2e043a8 BH	26	uint32_t xorcol, uint32_t bgcol)
e89f66ec	27	{
b1ba6574 FB	28	((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
	29	((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
	30	((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
	31	((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
	32	((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
	33	((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
	34	((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
	35	((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
17b0018b FB	36	}
17b0018b FB	37
d2e043a8 BH	38	static void vga_draw_glyph8(uint8_t *d, int linesize,
	39	const uint8_t *font_ptr, int h,
	40	uint32_t fgcol, uint32_t bgcol)
17b0018b FB	41	{
17b0018b FB	42	uint32_t font_data, xorcol;
3b46e624	43
17b0018b FB	44	xorcol = bgcol ^ fgcol;
	45	do {
	46	font_data = font_ptr[0];
d2e043a8	47	vga_draw_glyph_line(d, font_data, xorcol, bgcol);
17b0018b FB	48	font_ptr += 4;
	49	d += linesize;
	50	} while (--h);
	51	}
	52
d2e043a8	53	static void vga_draw_glyph16(uint8_t *d, int linesize,
17b0018b FB	54	const uint8_t *font_ptr, int h,
	55	uint32_t fgcol, uint32_t bgcol)
	56	{
	57	uint32_t font_data, xorcol;
3b46e624	58
17b0018b FB	59	xorcol = bgcol ^ fgcol;
	60	do {
	61	font_data = font_ptr[0];
d2e043a8 BH	62	vga_draw_glyph_line(d, expand4to8[font_data >> 4],
	63	xorcol, bgcol);
	64	vga_draw_glyph_line(d + 32, expand4to8[font_data & 0x0f],
	65	xorcol, bgcol);
e89f66ec FB	66	font_ptr += 4;
	67	d += linesize;
	68	} while (--h);
	69	}
	70
d2e043a8 BH	71	static void vga_draw_glyph9(uint8_t *d, int linesize,
	72	const uint8_t *font_ptr, int h,
	73	uint32_t fgcol, uint32_t bgcol, int dup9)
e89f66ec FB	74	{
e89f66ec FB	75	uint32_t font_data, xorcol, v;
3b46e624	76
e89f66ec FB	77	xorcol = bgcol ^ fgcol;
	78	do {
	79	font_data = font_ptr[0];
eccabc6e FB	80	((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
	81	((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
	82	((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
	83	((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
	84	((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
	85	((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
	86	((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
	87	v = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
e89f66ec FB	88	((uint32_t *)d)[7] = v;
e89f66ec FB	89	if (dup9)
39cf7803	90	((uint32_t *)d)[8] = v;
e89f66ec	91	else
39cf7803	92	((uint32_t *)d)[8] = bgcol;
e89f66ec FB	93	font_ptr += 4;
	94	d += linesize;
	95	} while (--h);
	96	}
	97
5fafdf24	98	/*
e89f66ec FB	99	* 4 color mode
e89f66ec FB	100	*/
d2e043a8 BH	101	static void vga_draw_line2(VGACommonState s1, uint8_t d,
d2e043a8 BH	102	const uint8_t *s, int width)
e89f66ec FB	103	{
	104	uint32_t plane_mask, *palette, data, v;
	105	int x;
	106
	107	palette = s1->last_palette;
5e55efc9	108	plane_mask = mask16[s1->ar[VGA_ATC_PLANE_ENABLE] & 0xf];
e89f66ec FB	109	width >>= 3;
	110	for(x = 0; x < width; x++) {
	111	data = ((uint32_t *)s)[0];
	112	data &= plane_mask;
	113	v = expand2[GET_PLANE(data, 0)];
	114	v \|= expand2[GET_PLANE(data, 2)] << 2;
d2e043a8 BH	115	((uint32_t *)d)[0] = palette[v >> 12];
	116	((uint32_t *)d)[1] = palette[(v >> 8) & 0xf];
	117	((uint32_t *)d)[2] = palette[(v >> 4) & 0xf];
	118	((uint32_t *)d)[3] = palette[(v >> 0) & 0xf];
e89f66ec FB	119
	120	v = expand2[GET_PLANE(data, 1)];
	121	v \|= expand2[GET_PLANE(data, 3)] << 2;
d2e043a8 BH	122	((uint32_t *)d)[4] = palette[v >> 12];
	123	((uint32_t *)d)[5] = palette[(v >> 8) & 0xf];
	124	((uint32_t *)d)[6] = palette[(v >> 4) & 0xf];
	125	((uint32_t *)d)[7] = palette[(v >> 0) & 0xf];
	126	d += 32;
e89f66ec FB	127	s += 4;
	128	}
	129	}
	130
17b0018b FB	131	#define PUT_PIXEL2(d, n, v) \
17b0018b FB	132	((uint32_t )d)[2(n)] = ((uint32_t )d)[2(n)+1] = (v)
17b0018b	133
5fafdf24	134	/*
17b0018b FB	135	* 4 color mode, dup2 horizontal
17b0018b FB	136	*/
d2e043a8 BH	137	static void vga_draw_line2d2(VGACommonState s1, uint8_t d,
d2e043a8 BH	138	const uint8_t *s, int width)
17b0018b FB	139	{
	140	uint32_t plane_mask, *palette, data, v;
	141	int x;
	142
	143	palette = s1->last_palette;
5e55efc9	144	plane_mask = mask16[s1->ar[VGA_ATC_PLANE_ENABLE] & 0xf];
17b0018b FB	145	width >>= 3;
	146	for(x = 0; x < width; x++) {
	147	data = ((uint32_t *)s)[0];
	148	data &= plane_mask;
	149	v = expand2[GET_PLANE(data, 0)];
	150	v \|= expand2[GET_PLANE(data, 2)] << 2;
	151	PUT_PIXEL2(d, 0, palette[v >> 12]);
	152	PUT_PIXEL2(d, 1, palette[(v >> 8) & 0xf]);
	153	PUT_PIXEL2(d, 2, palette[(v >> 4) & 0xf]);
	154	PUT_PIXEL2(d, 3, palette[(v >> 0) & 0xf]);
	155
	156	v = expand2[GET_PLANE(data, 1)];
	157	v \|= expand2[GET_PLANE(data, 3)] << 2;
	158	PUT_PIXEL2(d, 4, palette[v >> 12]);
	159	PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
	160	PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
	161	PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
d2e043a8	162	d += 64;
17b0018b FB	163	s += 4;
	164	}
	165	}
	166
5fafdf24	167	/*
e89f66ec FB	168	* 16 color mode
e89f66ec FB	169	*/
d2e043a8 BH	170	static void vga_draw_line4(VGACommonState s1, uint8_t d,
d2e043a8 BH	171	const uint8_t *s, int width)
e89f66ec FB	172	{
	173	uint32_t plane_mask, data, v, *palette;
	174	int x;
	175
	176	palette = s1->last_palette;
5e55efc9	177	plane_mask = mask16[s1->ar[VGA_ATC_PLANE_ENABLE] & 0xf];
e89f66ec FB	178	width >>= 3;
	179	for(x = 0; x < width; x++) {
	180	data = ((uint32_t *)s)[0];
	181	data &= plane_mask;
	182	v = expand4[GET_PLANE(data, 0)];
	183	v \|= expand4[GET_PLANE(data, 1)] << 1;
	184	v \|= expand4[GET_PLANE(data, 2)] << 2;
	185	v \|= expand4[GET_PLANE(data, 3)] << 3;
d2e043a8 BH	186	((uint32_t *)d)[0] = palette[v >> 28];
	187	((uint32_t *)d)[1] = palette[(v >> 24) & 0xf];
	188	((uint32_t *)d)[2] = palette[(v >> 20) & 0xf];
	189	((uint32_t *)d)[3] = palette[(v >> 16) & 0xf];
	190	((uint32_t *)d)[4] = palette[(v >> 12) & 0xf];
	191	((uint32_t *)d)[5] = palette[(v >> 8) & 0xf];
	192	((uint32_t *)d)[6] = palette[(v >> 4) & 0xf];
	193	((uint32_t *)d)[7] = palette[(v >> 0) & 0xf];
	194	d += 32;
e89f66ec FB	195	s += 4;
	196	}
	197	}
	198
5fafdf24	199	/*
17b0018b FB	200	* 16 color mode, dup2 horizontal
17b0018b FB	201	*/
d2e043a8 BH	202	static void vga_draw_line4d2(VGACommonState s1, uint8_t d,
d2e043a8 BH	203	const uint8_t *s, int width)
17b0018b FB	204	{
	205	uint32_t plane_mask, data, v, *palette;
	206	int x;
	207
	208	palette = s1->last_palette;
5e55efc9	209	plane_mask = mask16[s1->ar[VGA_ATC_PLANE_ENABLE] & 0xf];
17b0018b FB	210	width >>= 3;
	211	for(x = 0; x < width; x++) {
	212	data = ((uint32_t *)s)[0];
	213	data &= plane_mask;
	214	v = expand4[GET_PLANE(data, 0)];
	215	v \|= expand4[GET_PLANE(data, 1)] << 1;
	216	v \|= expand4[GET_PLANE(data, 2)] << 2;
	217	v \|= expand4[GET_PLANE(data, 3)] << 3;
	218	PUT_PIXEL2(d, 0, palette[v >> 28]);
	219	PUT_PIXEL2(d, 1, palette[(v >> 24) & 0xf]);
	220	PUT_PIXEL2(d, 2, palette[(v >> 20) & 0xf]);
	221	PUT_PIXEL2(d, 3, palette[(v >> 16) & 0xf]);
	222	PUT_PIXEL2(d, 4, palette[(v >> 12) & 0xf]);
	223	PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
	224	PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
	225	PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
d2e043a8	226	d += 64;
17b0018b FB	227	s += 4;
	228	}
	229	}
	230
5fafdf24	231	/*
17b0018b FB	232	* 256 color mode, double pixels
	233	*
	234	* XXX: add plane_mask support (never used in standard VGA modes)
	235	*/
d2e043a8 BH	236	static void vga_draw_line8d2(VGACommonState s1, uint8_t d,
d2e043a8 BH	237	const uint8_t *s, int width)
17b0018b FB	238	{
	239	uint32_t *palette;
	240	int x;
	241
	242	palette = s1->last_palette;
	243	width >>= 3;
	244	for(x = 0; x < width; x++) {
	245	PUT_PIXEL2(d, 0, palette[s[0]]);
	246	PUT_PIXEL2(d, 1, palette[s[1]]);
	247	PUT_PIXEL2(d, 2, palette[s[2]]);
	248	PUT_PIXEL2(d, 3, palette[s[3]]);
d2e043a8	249	d += 32;
17b0018b FB	250	s += 4;
	251	}
	252	}
	253
5fafdf24	254	/*
17b0018b	255	* standard 256 color mode
e89f66ec FB	256	*
	257	* XXX: add plane_mask support (never used in standard VGA modes)
	258	*/
d2e043a8 BH	259	static void vga_draw_line8(VGACommonState s1, uint8_t d,
d2e043a8 BH	260	const uint8_t *s, int width)
e89f66ec FB	261	{
	262	uint32_t *palette;
	263	int x;
	264
	265	palette = s1->last_palette;
	266	width >>= 3;
	267	for(x = 0; x < width; x++) {
d2e043a8 BH	268	((uint32_t *)d)[0] = palette[s[0]];
	269	((uint32_t *)d)[1] = palette[s[1]];
	270	((uint32_t *)d)[2] = palette[s[2]];
	271	((uint32_t *)d)[3] = palette[s[3]];
	272	((uint32_t *)d)[4] = palette[s[4]];
	273	((uint32_t *)d)[5] = palette[s[5]];
	274	((uint32_t *)d)[6] = palette[s[6]];
	275	((uint32_t *)d)[7] = palette[s[7]];
	276	d += 32;
e89f66ec FB	277	s += 8;
	278	}
	279	}
	280
5fafdf24	281	/*
e89f66ec FB	282	* 15 bit color
e89f66ec FB	283	*/
46c3a8c8 BH	284	static void vga_draw_line15_le(VGACommonState s1, uint8_t d,
46c3a8c8 BH	285	const uint8_t *s, int width)
e89f66ec	286	{
e89f66ec FB	287	int w;
	288	uint32_t v, r, g, b;
	289
	290	w = width;
	291	do {
46c3a8c8 BH	292	v = lduw_le_p((void *)s);
	293	r = (v >> 7) & 0xf8;
	294	g = (v >> 2) & 0xf8;
	295	b = (v << 3) & 0xf8;
	296	((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
	297	s += 2;
	298	d += 4;
	299	} while (--w != 0);
	300	}
	301
	302	static void vga_draw_line15_be(VGACommonState s1, uint8_t d,
	303	const uint8_t *s, int width)
	304	{
	305	int w;
	306	uint32_t v, r, g, b;
	307
	308	w = width;
	309	do {
	310	v = lduw_be_p((void *)s);
e89f66ec FB	311	r = (v >> 7) & 0xf8;
	312	g = (v >> 2) & 0xf8;
	313	b = (v << 3) & 0xf8;
d2e043a8	314	((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
e89f66ec	315	s += 2;
d2e043a8	316	d += 4;
e89f66ec	317	} while (--w != 0);
e89f66ec FB	318	}
e89f66ec FB	319
5fafdf24	320	/*
e89f66ec FB	321	* 16 bit color
e89f66ec FB	322	*/
46c3a8c8 BH	323	static void vga_draw_line16_le(VGACommonState s1, uint8_t d,
46c3a8c8 BH	324	const uint8_t *s, int width)
e89f66ec	325	{
e89f66ec FB	326	int w;
	327	uint32_t v, r, g, b;
	328
	329	w = width;
	330	do {
46c3a8c8 BH	331	v = lduw_le_p((void *)s);
	332	r = (v >> 8) & 0xf8;
	333	g = (v >> 3) & 0xfc;
	334	b = (v << 3) & 0xf8;
	335	((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
	336	s += 2;
	337	d += 4;
	338	} while (--w != 0);
	339	}
	340
	341	static void vga_draw_line16_be(VGACommonState s1, uint8_t d,
	342	const uint8_t *s, int width)
	343	{
	344	int w;
	345	uint32_t v, r, g, b;
	346
	347	w = width;
	348	do {
	349	v = lduw_be_p((void *)s);
e89f66ec FB	350	r = (v >> 8) & 0xf8;
	351	g = (v >> 3) & 0xfc;
	352	b = (v << 3) & 0xf8;
d2e043a8	353	((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
e89f66ec	354	s += 2;
d2e043a8	355	d += 4;
e89f66ec	356	} while (--w != 0);
e89f66ec FB	357	}
e89f66ec FB	358
5fafdf24	359	/*
4fa0f5d2 FB	360	* 24 bit color
4fa0f5d2 FB	361	*/
46c3a8c8 BH	362	static void vga_draw_line24_le(VGACommonState s1, uint8_t d,
46c3a8c8 BH	363	const uint8_t *s, int width)
4fa0f5d2 FB	364	{
	365	int w;
	366	uint32_t r, g, b;
	367
	368	w = width;
	369	do {
	370	b = s[0];
	371	g = s[1];
	372	r = s[2];
46c3a8c8 BH	373	((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
	374	s += 3;
	375	d += 4;
	376	} while (--w != 0);
	377	}
	378
	379	static void vga_draw_line24_be(VGACommonState s1, uint8_t d,
	380	const uint8_t *s, int width)
	381	{
	382	int w;
	383	uint32_t r, g, b;
	384
	385	w = width;
	386	do {
	387	r = s[0];
	388	g = s[1];
	389	b = s[2];
d2e043a8	390	((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
4fa0f5d2	391	s += 3;
d2e043a8	392	d += 4;
4fa0f5d2 FB	393	} while (--w != 0);
	394	}
	395
5fafdf24	396	/*
e89f66ec FB	397	* 32 bit color
e89f66ec FB	398	*/
46c3a8c8 BH	399	static void vga_draw_line32_le(VGACommonState s1, uint8_t d,
46c3a8c8 BH	400	const uint8_t *s, int width)
e89f66ec	401	{
46c3a8c8	402	#ifndef HOST_WORDS_BIGENDIAN
e89f66ec FB	403	memcpy(d, s, width * 4);
	404	#else
	405	int w;
	406	uint32_t r, g, b;
	407
	408	w = width;
	409	do {
	410	b = s[0];
	411	g = s[1];
	412	r = s[2];
46c3a8c8 BH	413	((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
	414	s += 4;
	415	d += 4;
	416	} while (--w != 0);
53c862a8	417	#endif
46c3a8c8 BH	418	}
	419
	420	static void vga_draw_line32_be(VGACommonState s1, uint8_t d,
	421	const uint8_t *s, int width)
	422	{
	423	#ifdef HOST_WORDS_BIGENDIAN
	424	memcpy(d, s, width * 4);
	425	#else
	426	int w;
	427	uint32_t r, g, b;
	428
	429	w = width;
	430	do {
	431	r = s[1];
	432	g = s[2];
	433	b = s[3];
d2e043a8	434	((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
e89f66ec	435	s += 4;
d2e043a8	436	d += 4;
e89f66ec FB	437	} while (--w != 0);
	438	#endif
	439	}