diff --git a/src/vid_voodoo.c b/src/vid_voodoo.c index 1f56a28..ce8071f 100644 --- a/src/vid_voodoo.c +++ b/src/vid_voodoo.c @@ -8,6 +8,7 @@ #include "video.h" #include "vid_svga.h" #include "vid_voodoo.h" +#include "vid_voodoo_dither.h" #define MIN(a, b) ((a) < (b) ? (a) : (b)) @@ -828,77 +829,6 @@ static void voodoo_recalc_tex(voodoo_t *voodoo) voodoo->params.tex_width = width; } -static int dither_matrix_4x4[16] = -{ - 0, 8, 2, 10, - 12, 4, 14, 6, - 3, 11, 1, 9, - 15, 7, 13, 5 -}; - -static int dither_rb[256][4][4]; -static int dither_g[256][4][4]; - -static void voodoo_make_dither() -{ - int c, x, y; - int seen_rb[1024]; - int seen_g[1024]; - - for (c = 0; c < 256; c++) - { - int rb = (int)(((double)c * 496.0) / 256.0); - int g = (int)(((double)c * 1008.0) / 256.0); -// pclog("rb %i %i\n", rb, c); - for (y = 0; y < 4; y++) - { - for (x = 0; x < 4; x++) - { - int val; - - val = rb + dither_matrix_4x4[x + (y << 2)]; - dither_rb[c][y][x] = val >> 4; -// pclog("RB %i %i, %i %i %i %i\n", c, x, y, val, val >> 4, dither_rb[c][y][x]); - - if (dither_rb[c][y][x] > 31) - fatal("RB overflow %i %i %i %i\n", c, x, y, dither_rb[c][y][x]); - - val = g + dither_matrix_4x4[x + (y << 2)]; - dither_g[c][y][x] = val >> 4; - - if (dither_g[c][y][x] > 63) - fatal("G overflow %i %i %i %i\n", c, x, y, dither_g[c][y][x]); - } - } - } - - memset(seen_rb, 0, sizeof(seen_rb)); - memset(seen_g, 0, sizeof(seen_g)); - - for (c = 0; c < 256; c++) - { - int total_rb = 0; - int total_g = 0; - for (y = 0; y < 4; y++) - { - for (x = 0; x < 4; x++) - { - total_rb += dither_rb[c][y][x]; -// pclog("total_rb %i %i, %i %i %i\n", c, x, y, total_rb, dither_rb[c][y][x]); - total_g += dither_g[c][y][x]; - } - } - - if (seen_rb[total_rb]) - fatal("Duplicate rb %i %i\n", c, total_rb); - seen_rb[total_rb] = 1; - - if (seen_g[total_g]) - fatal("Duplicate g %i %i\n", c, total_g); - seen_g[total_g] = 1; - } -} - typedef struct voodoo_state_t { int xstart, xend, xdir; @@ -1168,11 +1098,8 @@ static void voodoo_half_triangle(voodoo_t *voodoo, voodoo_params_t *params, vood int alpha_func = (params->alphaMode >> 1) & 7; int a_ref = params->alphaMode >> 24; int depth_op = (params->fbzMode >> 5) & 7; - int dither = (params->fbzMode & FBZ_DITHER) && rgb_sel == 2; + int dither = params->fbzMode & FBZ_DITHER; - if (voodoo->trexInit1 & (1 << 18)) - dither = 1; - state->clamp_s = params->textureMode & TEXTUREMODE_TCLAMPS; state->clamp_t = params->textureMode & TEXTUREMODE_TCLAMPT; // int last_x; @@ -3285,8 +3212,6 @@ void *voodoo_init() voodoo->bilinear_enabled = device_get_config_int("bilinear"); - voodoo_make_dither(); - pci_add(voodoo_pci_read, voodoo_pci_write, voodoo); mem_mapping_add(&voodoo->mapping, 0, 0, NULL, voodoo_readw, voodoo_readl, NULL, voodoo_writew, voodoo_writel, NULL, 0, voodoo); diff --git a/src/vid_voodoo_dither.h b/src/vid_voodoo_dither.h new file mode 100644 index 0000000..192f5d6 --- /dev/null +++ b/src/vid_voodoo_dither.h @@ -0,0 +1,3080 @@ +uint8_t dither_rb[256][4][4] = +{ + { + {0, 0, 0, 0}, + {0, 0, 0, 0}, + {0, 0, 0, 0}, + {0, 0, 0, 0}, + }, + { + {0, 0, 0, 0}, + {0, 0, 1, 0}, + {0, 0, 0, 0}, + {1, 0, 0, 0}, + }, + { + {0, 0, 0, 0}, + {1, 0, 1, 0}, + {0, 0, 0, 0}, + {1, 0, 1, 0}, + }, + { + {0, 0, 0, 1}, + {1, 0, 1, 0}, + {0, 1, 0, 0}, + {1, 0, 1, 0}, + }, + { + {0, 1, 0, 1}, + {1, 0, 1, 0}, + {0, 1, 0, 1}, + {1, 0, 1, 0}, + }, + { + {0, 1, 0, 1}, + {1, 0, 1, 1}, + {0, 1, 0, 1}, + {1, 1, 1, 0}, + }, + { + {0, 1, 0, 1}, + {1, 1, 1, 1}, + {0, 1, 0, 1}, + {1, 1, 1, 1}, + }, + { + {0, 1, 1, 1}, + {1, 1, 1, 1}, + {1, 1, 0, 1}, + {1, 1, 1, 1}, + }, + { + {1, 1, 1, 1}, + {1, 1, 1, 1}, + {1, 1, 1, 1}, + {1, 1, 1, 1}, + }, + { + {1, 1, 1, 1}, + {1, 1, 2, 1}, + {1, 1, 1, 1}, + {2, 1, 1, 1}, + }, + { + {1, 1, 1, 1}, + {2, 1, 2, 1}, + {1, 1, 1, 1}, + {2, 1, 2, 1}, + }, + { + {1, 1, 1, 2}, + {2, 1, 2, 1}, + {1, 2, 1, 1}, + {2, 1, 2, 1}, + }, + { + {1, 2, 1, 2}, + {2, 1, 2, 1}, + {1, 2, 1, 2}, + {2, 1, 2, 1}, + }, + { + {1, 2, 1, 2}, + {2, 1, 2, 2}, + {1, 2, 1, 2}, + {2, 2, 2, 1}, + }, + { + {1, 2, 1, 2}, + {2, 2, 2, 2}, + {1, 2, 1, 2}, + {2, 2, 2, 2}, + }, + { + {1, 2, 2, 2}, + {2, 2, 2, 2}, + {2, 2, 1, 2}, + {2, 2, 2, 2}, + }, + { + {1, 2, 2, 2}, + {2, 2, 2, 2}, + {2, 2, 2, 2}, + {2, 2, 2, 2}, + }, + { + {2, 2, 2, 2}, + {2, 2, 2, 2}, + {2, 2, 2, 2}, + {3, 2, 2, 2}, + }, + { + {2, 2, 2, 2}, + {2, 2, 3, 2}, + {2, 2, 2, 2}, + {3, 2, 3, 2}, + }, + { + {2, 2, 2, 2}, + {3, 2, 3, 2}, + {2, 3, 2, 2}, + {3, 2, 3, 2}, + }, + { + {2, 2, 2, 3}, + {3, 2, 3, 2}, + {2, 3, 2, 3}, + {3, 2, 3, 2}, + }, + { + {2, 3, 2, 3}, + {3, 2, 3, 2}, + {2, 3, 2, 3}, + {3, 3, 3, 2}, + }, + { + {2, 3, 2, 3}, + {3, 2, 3, 3}, + {2, 3, 2, 3}, + {3, 3, 3, 3}, + }, + { + {2, 3, 2, 3}, + {3, 3, 3, 3}, + {3, 3, 2, 3}, + {3, 3, 3, 3}, + }, + { + {2, 3, 3, 3}, + {3, 3, 3, 3}, + {3, 3, 3, 3}, + {3, 3, 3, 3}, + }, + { + {3, 3, 3, 3}, + {3, 3, 3, 3}, + {3, 3, 3, 3}, + {4, 3, 3, 3}, + }, + { + {3, 3, 3, 3}, + {3, 3, 4, 3}, + {3, 3, 3, 3}, + {4, 3, 4, 3}, + }, + { + {3, 3, 3, 3}, + {4, 3, 4, 3}, + {3, 4, 3, 3}, + {4, 3, 4, 3}, + }, + { + {3, 3, 3, 4}, + {4, 3, 4, 3}, + {3, 4, 3, 4}, + {4, 3, 4, 3}, + }, + { + {3, 4, 3, 4}, + {4, 3, 4, 3}, + {3, 4, 3, 4}, + {4, 4, 4, 3}, + }, + { + {3, 4, 3, 4}, + {4, 3, 4, 4}, + {3, 4, 3, 4}, + {4, 4, 4, 4}, + }, + { + {3, 4, 3, 4}, + {4, 4, 4, 4}, + {4, 4, 3, 4}, + {4, 4, 4, 4}, + }, + { + {3, 4, 4, 4}, + {4, 4, 4, 4}, + {4, 4, 3, 4}, + {4, 4, 4, 4}, + }, + { + {4, 4, 4, 4}, + {4, 4, 4, 4}, + {4, 4, 4, 4}, + {4, 4, 4, 4}, + }, + { + {4, 4, 4, 4}, + {4, 4, 5, 4}, + {4, 4, 4, 4}, + {5, 4, 4, 4}, + }, + { + {4, 4, 4, 4}, + {5, 4, 5, 4}, + {4, 4, 4, 4}, + {5, 4, 5, 4}, + }, + { + {4, 4, 4, 5}, + {5, 4, 5, 4}, + {4, 5, 4, 4}, + {5, 4, 5, 4}, + }, + { + {4, 5, 4, 5}, + {5, 4, 5, 4}, + {4, 5, 4, 5}, + {5, 4, 5, 4}, + }, + { + {4, 5, 4, 5}, + {5, 4, 5, 5}, + {4, 5, 4, 5}, + {5, 5, 5, 4}, + }, + { + {4, 5, 4, 5}, + {5, 5, 5, 5}, + {4, 5, 4, 5}, + {5, 5, 5, 5}, + }, + { + {4, 5, 5, 5}, + {5, 5, 5, 5}, + {5, 5, 4, 5}, + {5, 5, 5, 5}, + }, + { + {5, 5, 5, 5}, + {5, 5, 5, 5}, + {5, 5, 5, 5}, + {5, 5, 5, 5}, + }, + { + {5, 5, 5, 5}, + {5, 5, 6, 5}, + {5, 5, 5, 5}, + {6, 5, 5, 5}, + }, + { + {5, 5, 5, 5}, + {6, 5, 6, 5}, + {5, 5, 5, 5}, + {6, 5, 6, 5}, + }, + { + {5, 5, 5, 6}, + {6, 5, 6, 5}, + {5, 6, 5, 5}, + {6, 5, 6, 5}, + }, + { + {5, 6, 5, 6}, + {6, 5, 6, 5}, + {5, 6, 5, 6}, + {6, 5, 6, 5}, + }, + { + {5, 6, 5, 6}, + {6, 5, 6, 6}, + {5, 6, 5, 6}, + {6, 6, 6, 5}, + }, + { + {5, 6, 5, 6}, + {6, 6, 6, 6}, + {5, 6, 5, 6}, + {6, 6, 6, 6}, + }, + { + {5, 6, 5, 6}, + {6, 6, 6, 6}, + {6, 6, 5, 6}, + {6, 6, 6, 6}, + }, + { + {5, 6, 6, 6}, + {6, 6, 6, 6}, + {6, 6, 6, 6}, + {6, 6, 6, 6}, + }, + { + {6, 6, 6, 6}, + {6, 6, 6, 6}, + {6, 6, 6, 6}, + {7, 6, 6, 6}, + }, + { + {6, 6, 6, 6}, + {6, 6, 7, 6}, + {6, 6, 6, 6}, + {7, 6, 7, 6}, + }, + { + {6, 6, 6, 6}, + {7, 6, 7, 6}, + {6, 7, 6, 6}, + {7, 6, 7, 6}, + }, + { + {6, 6, 6, 7}, + {7, 6, 7, 6}, + {6, 7, 6, 7}, + {7, 6, 7, 6}, + }, + { + {6, 7, 6, 7}, + {7, 6, 7, 6}, + {6, 7, 6, 7}, + {7, 7, 7, 6}, + }, + { + {6, 7, 6, 7}, + {7, 6, 7, 7}, + {6, 7, 6, 7}, + {7, 7, 7, 7}, + }, + { + {6, 7, 6, 7}, + {7, 7, 7, 7}, + {7, 7, 6, 7}, + {7, 7, 7, 7}, + }, + { + {6, 7, 7, 7}, + {7, 7, 7, 7}, + {7, 7, 7, 7}, + {7, 7, 7, 7}, + }, + { + {7, 7, 7, 7}, + {7, 7, 7, 7}, + {7, 7, 7, 7}, + {8, 7, 7, 7}, + }, + { + {7, 7, 7, 7}, + {7, 7, 8, 7}, + {7, 7, 7, 7}, + {8, 7, 8, 7}, + }, + { + {7, 7, 7, 7}, + {8, 7, 8, 7}, + {7, 8, 7, 7}, + {8, 7, 8, 7}, + }, + { + {7, 7, 7, 8}, + {8, 7, 8, 7}, + {7, 8, 7, 8}, + {8, 7, 8, 7}, + }, + { + {7, 8, 7, 8}, + {8, 7, 8, 7}, + {7, 8, 7, 8}, + {8, 8, 8, 7}, + }, + { + {7, 8, 7, 8}, + {8, 7, 8, 8}, + {7, 8, 7, 8}, + {8, 8, 8, 8}, + }, + { + {7, 8, 7, 8}, + {8, 8, 8, 8}, + {7, 8, 7, 8}, + {8, 8, 8, 8}, + }, + { + {7, 8, 8, 8}, + {8, 8, 8, 8}, + {8, 8, 7, 8}, + {8, 8, 8, 8}, + }, + { + {8, 8, 8, 8}, + {8, 8, 8, 8}, + {8, 8, 8, 8}, + {8, 8, 8, 8}, + }, + { + {8, 8, 8, 8}, + {8, 8, 9, 8}, + {8, 8, 8, 8}, + {9, 8, 8, 8}, + }, + { + {8, 8, 8, 8}, + {9, 8, 9, 8}, + {8, 8, 8, 8}, + {9, 8, 9, 8}, + }, + { + {8, 8, 8, 9}, + {9, 8, 9, 8}, + {8, 9, 8, 8}, + {9, 8, 9, 8}, + }, + { + {8, 9, 8, 9}, + {9, 8, 9, 8}, + {8, 9, 8, 9}, + {9, 8, 9, 8}, + }, + { + {8, 9, 8, 9}, + {9, 8, 9, 9}, + {8, 9, 8, 9}, + {9, 9, 9, 8}, + }, + { + {8, 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{10, 10, 10, 10}, + {11, 10, 11, 10}, + }, + { + {10, 10, 10, 10}, + {11, 10, 11, 10}, + {10, 11, 10, 10}, + {11, 10, 11, 10}, + }, + { + {10, 10, 10, 11}, + {11, 10, 11, 10}, + {10, 11, 10, 11}, + {11, 10, 11, 10}, + }, + { + {10, 11, 10, 11}, + {11, 10, 11, 10}, + {10, 11, 10, 11}, + {11, 11, 11, 10}, + }, + { + {10, 11, 10, 11}, + {11, 10, 11, 11}, + {10, 11, 10, 11}, + {11, 11, 11, 11}, + }, + { + {10, 11, 10, 11}, + {11, 11, 11, 11}, + {11, 11, 10, 11}, + {11, 11, 11, 11}, + }, + { + {10, 11, 11, 11}, + {11, 11, 11, 11}, + {11, 11, 11, 11}, + {11, 11, 11, 11}, + }, + { + {11, 11, 11, 11}, + {11, 11, 11, 11}, + {11, 11, 11, 11}, + {12, 11, 11, 11}, + }, + { + {11, 11, 11, 11}, + {11, 11, 12, 11}, + {11, 11, 11, 11}, + {12, 11, 12, 11}, + }, + { + {11, 11, 11, 11}, + {12, 11, 12, 11}, + {11, 12, 11, 11}, + {12, 11, 12, 11}, + }, + { + {11, 11, 11, 12}, + {12, 11, 12, 11}, + {11, 12, 11, 12}, + {12, 11, 12, 11}, + }, + { + {11, 12, 11, 12}, + {12, 11, 12, 11}, + {11, 12, 11, 12}, + 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