aboutsummaryrefslogtreecommitdiffstats
path: root/hw/vga_template.h
diff options
context:
space:
mode:
Diffstat (limited to 'hw/vga_template.h')
-rw-r--r--hw/vga_template.h525
1 files changed, 0 insertions, 525 deletions
diff --git a/hw/vga_template.h b/hw/vga_template.h
deleted file mode 100644
index e7e8cb8..0000000
--- a/hw/vga_template.h
+++ /dev/null
@@ -1,525 +0,0 @@
-/*
- * 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
generated by cgit v1.1 at 2024-05-20 17:53:04 +0000