From e657d8ef3c810c4c46d3a61bb76103f77bdb499b Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 23 Jun 2014 11:46:06 +1000 Subject: vga: Rename vga_template.h to vga-helpers.h It's no longer a template, we only instanciate the file once. Keep it a #included file so the functions remain static. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Gerd Hoffmann Reviewed-by: David Gibson --- hw/display/vga-helpers.h | 439 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 439 insertions(+) create mode 100644 hw/display/vga-helpers.h (limited to 'hw/display/vga-helpers.h') diff --git a/hw/display/vga-helpers.h b/hw/display/vga-helpers.h new file mode 100644 index 0000000000..94f6de2046 --- /dev/null +++ b/hw/display/vga-helpers.h @@ -0,0 +1,439 @@ +/* + * 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 +} -- cgit v1.2.3