hw/display/vga-helpers.h - qemu-android - Git at Google

 /*
  * 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
 }
	/*
	* 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
	}