X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=source%2Fgles2glide64%2Fsrc%2FGlide64%2FUtil.cpp;fp=source%2Fgles2glide64%2Fsrc%2FGlide64%2FUtil.cpp;h=7e594698095ef17639cf9a8953709fc982bd3ab1;hb=98e75f2d18c02c233da543560f76282f04fc796c;hp=0000000000000000000000000000000000000000;hpb=0ced54f867d36e8b324155bef49e8abfebfc3237;p=mupen64plus-pandora.git diff --git a/source/gles2glide64/src/Glide64/Util.cpp b/source/gles2glide64/src/Glide64/Util.cpp new file mode 100755 index 0000000..7e59469 --- /dev/null +++ b/source/gles2glide64/src/Glide64/Util.cpp @@ -0,0 +1,2183 @@ +/* +* Glide64 - Glide video plugin for Nintendo 64 emulators. +* Copyright (c) 2002 Dave2001 +* Copyright (c) 2003-2009 Sergey 'Gonetz' Lipski +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +//**************************************************************** +// +// Glide64 - Glide Plugin for Nintendo 64 emulators +// Project started on December 29th, 2001 +// +// Authors: +// Dave2001, original author, founded the project in 2001, left it in 2002 +// Gugaman, joined the project in 2002, left it in 2002 +// Sergey 'Gonetz' Lipski, joined the project in 2002, main author since fall of 2002 +// Hiroshi 'KoolSmoky' Morii, joined the project in 2007 +// +//**************************************************************** +// +// To modify Glide64: +// * Write your name and (optional)email, commented by your work, so I know who did it, and so that you can find which parts you modified when it comes time to send it to me. +// * Do NOT send me the whole project or file that you modified. Take out your modified code sections, and tell me where to put them. If people sent the whole thing, I would have many different versions, but no idea how to combine them all. +// +//**************************************************************** + +#include +#include "Gfx_1.3.h" +#include "Util.h" +#include "Combine.h" +#include "3dmath.h" +#include "Debugger.h" +#include "TexCache.h" +#include "DepthBufferRender.h" + +#define Vj rdp.vtxbuf2[j] +#define Vi rdp.vtxbuf2[i] + +VERTEX *vtx_list1[32]; // vertex indexing +VERTEX *vtx_list2[32]; + +// +// util_init - initialize data for the functions in this file +// + +void util_init () +{ + for (int i=0; i<32; i++) + { + vtx_list1[i] = &rdp.vtx1[i]; + vtx_list2[i] = &rdp.vtx2[i]; + } +} + +static wxUint32 u_cull_mode = 0; + +//software backface culling. Gonetz +// mega modifications by Dave2001 +int cull_tri(VERTEX **v) // type changed to VERTEX** [Dave2001] +{ + int i; + + if (v[0]->scr_off & v[1]->scr_off & v[2]->scr_off) + { + LRDP (" clipped\n"); + return TRUE; + } + + // Triangle can't be culled, if it need clipping + int draw = FALSE; + + for (i=0; i<3; i++) + { + if (!v[i]->screen_translated) + { + v[i]->sx = rdp.view_trans[0] + v[i]->x_w * rdp.view_scale[0] + rdp.offset_x; + v[i]->sy = rdp.view_trans[1] + v[i]->y_w * rdp.view_scale[1] + rdp.offset_y; + v[i]->sz = rdp.view_trans[2] + v[i]->z_w * rdp.view_scale[2]; + v[i]->screen_translated = 1; + } + if (v[i]->w < 0.01f) //need clip_z. can't be culled now + draw = 1; + } + + u_cull_mode = (rdp.flags & CULLMASK); + if (draw || u_cull_mode == 0 || u_cull_mode == CULLMASK) //no culling set + { + u_cull_mode >>= CULLSHIFT; + return FALSE; + } + +#define SW_CULLING +#ifdef SW_CULLING +#if 1 // H.Morii - faster float comparisons with zero area check added + + const float x1 = v[0]->sx - v[1]->sx; + const float y1 = v[0]->sy - v[1]->sy; + const float x2 = v[2]->sx - v[1]->sx; + const float y2 = v[2]->sy - v[1]->sy; + const float area = y1*x2 - x1*y2; + + const int iarea = *(int*)&area; + const unsigned int mode = (u_cull_mode << 19UL); + u_cull_mode >>= CULLSHIFT; + + if ((iarea & 0x7FFFFFFF) == 0) + { + LRDP (" zero area triangles\n"); + return TRUE; + } + + if ((rdp.flags & CULLMASK) && ((int)(iarea ^ mode)) >= 0) + { + LRDP (" culled\n"); + return TRUE; + } +#else + + float x1 = v[0]->sx - v[1]->sx; + float y1 = v[0]->sy - v[1]->sy; + float x2 = v[2]->sx - v[1]->sx; + float y2 = v[2]->sy - v[1]->sy; + + u_cull_mode >>= CULLSHIFT; + switch (u_cull_mode) + { + case 1: // cull front + // if ((x1*y2 - y1*x2) < 0.0f) //counter-clockwise, positive + if ((y1*x2-x1*y2) < 0.0f) //counter-clockwise, positive + { + LRDP (" culled!\n"); + return TRUE; + } + return FALSE; + case 2: // cull back + // if ((x1*y2 - y1*x2) >= 0.0f) //clockwise, negative + if ((y1*x2-x1*y2) >= 0.0f) //clockwise, negative + { + LRDP (" culled!\n"); + return TRUE; + } + return FALSE; + } +#endif +#endif + + return FALSE; +} + + +void apply_shade_mods (VERTEX *v) +{ + float col[4]; + wxUint32 mod; + memcpy (col, rdp.col, 16); + + if (rdp.cmb_flags) + { + if (v->shade_mod == 0) + v->color_backup = *(wxUint32*)(&(v->b)); + else + *(wxUint32*)(&(v->b)) = v->color_backup; + mod = rdp.cmb_flags; + if (mod & CMB_SET) + { + if (col[0] > 1.0f) col[0] = 1.0f; + if (col[1] > 1.0f) col[1] = 1.0f; + if (col[2] > 1.0f) col[2] = 1.0f; + if (col[0] < 0.0f) col[0] = 0.0f; + if (col[1] < 0.0f) col[1] = 0.0f; + if (col[2] < 0.0f) col[2] = 0.0f; + v->r = (wxUint8)(255.0f * col[0]); + v->g = (wxUint8)(255.0f * col[1]); + v->b = (wxUint8)(255.0f * col[2]); + } + if (mod & CMB_A_SET) + { + if (col[3] > 1.0f) col[3] = 1.0f; + if (col[3] < 0.0f) col[3] = 0.0f; + v->a = (wxUint8)(255.0f * col[3]); + } + if (mod & CMB_SETSHADE_SHADEALPHA) + { + v->r = v->g = v->b = v->a; + } + if (mod & CMB_MULT_OWN_ALPHA) + { + float percent = v->a / 255.0f; + v->r = (wxUint8)(v->r * percent); + v->g = (wxUint8)(v->g * percent); + v->b = (wxUint8)(v->b * percent); + } + if (mod & CMB_MULT) + { + if (col[0] > 1.0f) col[0] = 1.0f; + if (col[1] > 1.0f) col[1] = 1.0f; + if (col[2] > 1.0f) col[2] = 1.0f; + if (col[0] < 0.0f) col[0] = 0.0f; + if (col[1] < 0.0f) col[1] = 0.0f; + if (col[2] < 0.0f) col[2] = 0.0f; + v->r = (wxUint8)(v->r * col[0]); + v->g = (wxUint8)(v->g * col[1]); + v->b = (wxUint8)(v->b * col[2]); + } + if (mod & CMB_A_MULT) + { + if (col[3] > 1.0f) col[3] = 1.0f; + if (col[3] < 0.0f) col[3] = 0.0f; + v->a = (wxUint8)(v->a * col[3]); + } + if (mod & CMB_SUB) + { + int r = v->r - (int)(255.0f * rdp.coladd[0]); + int g = v->g - (int)(255.0f * rdp.coladd[1]); + int b = v->b - (int)(255.0f * rdp.coladd[2]); + if (r < 0) r = 0; + if (g < 0) g = 0; + if (b < 0) b = 0; + v->r = (wxUint8)r; + v->g = (wxUint8)g; + v->b = (wxUint8)b; + } + if (mod & CMB_A_SUB) + { + int a = v->a - (int)(255.0f * rdp.coladd[3]); + if (a < 0) a = 0; + v->a = (wxUint8)a; + } + if (mod & CMB_ADD) + { + int r = v->r + (int)(255.0f * rdp.coladd[0]); + int g = v->g + (int)(255.0f * rdp.coladd[1]); + int b = v->b + (int)(255.0f * rdp.coladd[2]); + if (r > 255) r = 255; + if (g > 255) g = 255; + if (b > 255) b = 255; + v->r = (wxUint8)r; + v->g = (wxUint8)g; + v->b = (wxUint8)b; + } + if (mod & CMB_A_ADD) + { + int a = v->a + (int)(255.0f * rdp.coladd[3]); + if (a > 255) a = 255; + v->a = (wxUint8)a; + } + if (mod & CMB_COL_SUB_OWN) + { + int r = (wxUint8)(255.0f * rdp.coladd[0]) - v->r; + int g = (wxUint8)(255.0f * rdp.coladd[1]) - v->g; + int b = (wxUint8)(255.0f * rdp.coladd[2]) - v->b; + if (r < 0) r = 0; + if (g < 0) g = 0; + if (b < 0) b = 0; + v->r = (wxUint8)r; + v->g = (wxUint8)g; + v->b = (wxUint8)b; + } + v->shade_mod = cmb.shade_mod_hash; + } + if (rdp.cmb_flags_2 & CMB_INTER) + { + v->r = (wxUint8)(rdp.col_2[0] * rdp.shade_factor * 255.0f + v->r * (1.0f - rdp.shade_factor)); + v->g = (wxUint8)(rdp.col_2[1] * rdp.shade_factor * 255.0f + v->g * (1.0f - rdp.shade_factor)); + v->b = (wxUint8)(rdp.col_2[2] * rdp.shade_factor * 255.0f + v->b * (1.0f - rdp.shade_factor)); + v->shade_mod = cmb.shade_mod_hash; + } +} + +static int dzdx = 0; +static int deltaZ = 0; +VERTEX **org_vtx; + +void draw_tri (VERTEX **vtx, wxUint16 linew) +{ + deltaZ = dzdx = 0; + if (linew == 0 && (fb_depth_render_enabled || (rdp.rm & 0xC00) == 0xC00)) + { + float X0 = vtx[0]->sx / rdp.scale_x; + float Y0 = vtx[0]->sy / rdp.scale_y; + float X1 = vtx[1]->sx / rdp.scale_x; + float Y1 = vtx[1]->sy / rdp.scale_y; + float X2 = vtx[2]->sx / rdp.scale_x; + float Y2 = vtx[2]->sy / rdp.scale_y; + float diffy_02 = Y0 - Y2; + float diffy_12 = Y1 - Y2; + float diffx_02 = X0 - X2; + float diffx_12 = X1 - X2; + + float denom = (diffx_02 * diffy_12 - diffx_12 * diffy_02); + if(denom*denom > 0.0f) + { + float diffz_02 = vtx[0]->sz - vtx[2]->sz; + float diffz_12 = vtx[1]->sz - vtx[2]->sz; + float fdzdx = (diffz_02 * diffy_12 - diffz_12 * diffy_02) / denom; + if ((rdp.rm & 0xC00) == 0xC00) { + // Calculate deltaZ per polygon for Decal z-mode + float fdzdy = (diffz_02 * diffx_12 - diffz_12 * diffx_02) / denom; + float fdz = fabs(fdzdx) + fabs(fdzdy); + if ((settings.hacks & hack_Zelda) && (rdp.rm & 0x800)) + fdz *= 4.0f; // Decal mode in Zelda sometimes needs mutiplied deltaZ to work correct, e.g. roads + deltaZ = max(8, (int)fdz); + } + dzdx = (int)(fdzdx * 65536.0); + } + } + + org_vtx = vtx; + + for (int i=0; i<3; i++) + { + VERTEX *v = vtx[i]; + + if (v->uv_calculated != rdp.tex_ctr) + { +#ifdef EXTREME_LOGGING + FRDP(" * CALCULATING VERTEX U/V: %d\n", v->number); +#endif + v->uv_calculated = rdp.tex_ctr; + + if (!(rdp.geom_mode & 0x00020000)) + { + if (!(rdp.geom_mode & 0x00000200)) + { + if (rdp.geom_mode & 0x00000004) // flat shading + { + int flag = min(2, (rdp.cmd1 >> 24) & 3); + v->a = vtx[flag]->a; + v->b = vtx[flag]->b; + v->g = vtx[flag]->g; + v->r = vtx[flag]->r; +#ifdef EXTREME_LOGGING + FRDP(" * Flat shaded, flag%d - r: %d, g: %d, b: %d, a: %d\n", flag, v->r, v->g, v->b, v->a); +#endif + } + else // prim color + { +#ifdef EXTREME_LOGGING + FRDP(" * Prim shaded %08lx\n", rdp.prim_color); +#endif + v->a = (wxUint8)(rdp.prim_color & 0xFF); + v->b = (wxUint8)((rdp.prim_color >> 8) & 0xFF); + v->g = (wxUint8)((rdp.prim_color >> 16) & 0xFF); + v->r = (wxUint8)((rdp.prim_color >> 24) & 0xFF); + } + } + } + + // Fix texture coordinates + if (!v->uv_scaled) + { + v->ou *= rdp.tiles[rdp.cur_tile].s_scale; + v->ov *= rdp.tiles[rdp.cur_tile].t_scale; + v->uv_scaled = 1; + if (!rdp.Persp_en) + { +// v->oow = v->w = 1.0f; + v->ou *= 0.5f; + v->ov *= 0.5f; + } + } + v->u1 = v->u0 = v->ou; + v->v1 = v->v0 = v->ov; + + if (rdp.tex >= 1 && rdp.cur_cache[0]) + { + if (rdp.aTBuffTex[0]) + { + v->u0 += rdp.aTBuffTex[0]->u_shift + rdp.aTBuffTex[0]->tile_uls; + v->v0 += rdp.aTBuffTex[0]->v_shift + rdp.aTBuffTex[0]->tile_ult; + } + + if (rdp.tiles[rdp.cur_tile].shift_s) + { + if (rdp.tiles[rdp.cur_tile].shift_s > 10) + v->u0 *= (float)(1 << (16 - rdp.tiles[rdp.cur_tile].shift_s)); + else + v->u0 /= (float)(1 << rdp.tiles[rdp.cur_tile].shift_s); + } + if (rdp.tiles[rdp.cur_tile].shift_t) + { + if (rdp.tiles[rdp.cur_tile].shift_t > 10) + v->v0 *= (float)(1 << (16 - rdp.tiles[rdp.cur_tile].shift_t)); + else + v->v0 /= (float)(1 << rdp.tiles[rdp.cur_tile].shift_t); + } + + if (rdp.aTBuffTex[0]) + { + if (rdp.aTBuffTex[0]->tile_uls != (int)rdp.tiles[rdp.cur_tile].f_ul_s) + v->u0 -= rdp.tiles[rdp.cur_tile].f_ul_s; + if (rdp.aTBuffTex[0]->tile_ult != (int)rdp.tiles[rdp.cur_tile].f_ul_t || (settings.hacks&hack_Megaman)) + v->v0 -= rdp.tiles[rdp.cur_tile].f_ul_t; //required for megaman (boss special attack) + v->u0 *= rdp.aTBuffTex[0]->u_scale; + v->v0 *= rdp.aTBuffTex[0]->v_scale; +#ifdef EXTREME_LOGGING + FRDP("tbuff_tex t0: (%f, %f)->(%f, %f)\n", v->ou, v->ov, v->u0, v->v0); +#endif + } + else + { + v->u0 -= rdp.tiles[rdp.cur_tile].f_ul_s; + v->v0 -= rdp.tiles[rdp.cur_tile].f_ul_t; + v->u0 = rdp.cur_cache[0]->c_off + rdp.cur_cache[0]->c_scl_x * v->u0; + v->v0 = rdp.cur_cache[0]->c_off + rdp.cur_cache[0]->c_scl_y * v->v0; + } + v->u0_w = v->u0 / v->w; + v->v0_w = v->v0 / v->w; + } + + if (rdp.tex >= 2 && rdp.cur_cache[1]) + { + if (rdp.aTBuffTex[1]) + { + v->u1 += rdp.aTBuffTex[1]->u_shift + rdp.aTBuffTex[1]->tile_uls; + v->v1 += rdp.aTBuffTex[1]->v_shift + rdp.aTBuffTex[1]->tile_ult; + } + if (rdp.tiles[rdp.cur_tile+1].shift_s) + { + if (rdp.tiles[rdp.cur_tile+1].shift_s > 10) + v->u1 *= (float)(1 << (16 - rdp.tiles[rdp.cur_tile+1].shift_s)); + else + v->u1 /= (float)(1 << rdp.tiles[rdp.cur_tile+1].shift_s); + } + if (rdp.tiles[rdp.cur_tile+1].shift_t) + { + if (rdp.tiles[rdp.cur_tile+1].shift_t > 10) + v->v1 *= (float)(1 << (16 - rdp.tiles[rdp.cur_tile+1].shift_t)); + else + v->v1 /= (float)(1 << rdp.tiles[rdp.cur_tile+1].shift_t); + } + + if (rdp.aTBuffTex[1]) + { + if (rdp.aTBuffTex[1]->tile_uls != (int)rdp.tiles[rdp.cur_tile].f_ul_s) + v->u1 -= rdp.tiles[rdp.cur_tile].f_ul_s; + v->u1 *= rdp.aTBuffTex[1]->u_scale; + v->v1 *= rdp.aTBuffTex[1]->v_scale; +#ifdef EXTREME_LOGGING + FRDP("tbuff_tex t1: (%f, %f)->(%f, %f)\n", v->ou, v->ov, v->u1, v->v1); +#endif + } + else + { + v->u1 -= rdp.tiles[rdp.cur_tile+1].f_ul_s; + v->v1 -= rdp.tiles[rdp.cur_tile+1].f_ul_t; + v->u1 = rdp.cur_cache[1]->c_off + rdp.cur_cache[1]->c_scl_x * v->u1; + v->v1 = rdp.cur_cache[1]->c_off + rdp.cur_cache[1]->c_scl_y * v->v1; + } + + v->u1_w = v->u1 / v->w; + v->v1_w = v->v1 / v->w; + } + // FRDP(" * CALCULATING VERTEX U/V: %d u0: %f, v0: %f, u1: %f, v1: %f\n", v->number, v->u0, v->v0, v->u1, v->v1); + } +#ifdef EXTREME_LOGGING + FRDP("draw_tri. v[%d] ou=%f, ov = %f\n", i, v->ou, v->ov); +#endif + if (v->shade_mod != cmb.shade_mod_hash) + apply_shade_mods (v); + } //for + + rdp.clip = 0; + + if ((vtx[0]->scr_off & 16) || + (vtx[1]->scr_off & 16) || + (vtx[2]->scr_off & 16)) + rdp.clip |= CLIP_WMIN; + + vtx[0]->not_zclipped = vtx[1]->not_zclipped = vtx[2]->not_zclipped = 1; + + if (rdp.cur_cache[0] && (rdp.tex & 1) && (rdp.cur_cache[0]->splits > 1) && !rdp.aTBuffTex[0] && !rdp.clip) + { + int index,i,j, min_256,max_256, cur_256,left_256,right_256; + float percent; + + min_256 = min((int)vtx[0]->u0,(int)vtx[1]->u0); // bah, don't put two mins on one line + min_256 = min(min_256,(int)vtx[2]->u0) >> 8; // or it will be calculated twice + + max_256 = max((int)vtx[0]->u0,(int)vtx[1]->u0); // not like it makes much difference + max_256 = max(max_256,(int)vtx[2]->u0) >> 8; // anyway :P + + for (cur_256=min_256; cur_256<=max_256; cur_256++) + { + left_256 = cur_256 << 8; + right_256 = (cur_256+1) << 8; + + // Set vertex buffers + rdp.vtxbuf = rdp.vtx1; // copy from v to rdp.vtx1 + rdp.vtxbuf2 = rdp.vtx2; + rdp.vtx_buffer = 0; + rdp.n_global = 3; + index = 0; + + // ** Left plane ** + for (i=0; i<3; i++) + { + j = i+1; + if (j == 3) j = 0; + + VERTEX *v1 = vtx[i]; + VERTEX *v2 = vtx[j]; + + if (v1->u0 >= left_256) + { + if (v2->u0 >= left_256) // Both are in, save the last one + { + rdp.vtxbuf[index] = *v2; + rdp.vtxbuf[index].u0 -= left_256; + rdp.vtxbuf[index++].v0 += cur_256 * rdp.cur_cache[0]->splitheight; + } + else // First is in, second is out, save intersection + { + percent = (left_256 - v1->u0) / (v2->u0 - v1->u0); + rdp.vtxbuf[index].x = v1->x + (v2->x - v1->x) * percent; + rdp.vtxbuf[index].y = v1->y + (v2->y - v1->y) * percent; + rdp.vtxbuf[index].z = v1->z + (v2->z - v1->z) * percent; + rdp.vtxbuf[index].w = v1->w + (v2->w - v1->w) * percent; + rdp.vtxbuf[index].f = v1->f + (v2->f - v1->f) * percent; + rdp.vtxbuf[index].u0 = 0.5f; + rdp.vtxbuf[index].v0 = v1->v0 + (v2->v0 - v1->v0) * percent + + cur_256 * rdp.cur_cache[0]->splitheight; + rdp.vtxbuf[index].u1 = v1->u1 + (v2->u1 - v1->u1) * percent; + rdp.vtxbuf[index].v1 = v1->v1 + (v2->v1 - v1->v1) * percent; + rdp.vtxbuf[index].b = (wxUint8)(v1->b + (v2->b - v1->b) * percent); + rdp.vtxbuf[index].g = (wxUint8)(v1->g + (v2->g - v1->g) * percent); + rdp.vtxbuf[index].r = (wxUint8)(v1->r + (v2->r - v1->r) * percent); + rdp.vtxbuf[index++].a = (wxUint8)(v1->a + (v2->a - v1->a) * percent); + } + } + else + { + //if (v2->u0 < left_256) // Both are out, save nothing + if (v2->u0 >= left_256) // First is out, second is in, save intersection & in point + { + percent = (left_256 - v2->u0) / (v1->u0 - v2->u0); + rdp.vtxbuf[index].x = v2->x + (v1->x - v2->x) * percent; + rdp.vtxbuf[index].y = v2->y + (v1->y - v2->y) * percent; + rdp.vtxbuf[index].z = v2->z + (v1->z - v2->z) * percent; + rdp.vtxbuf[index].w = v2->w + (v1->w - v2->w) * percent; + rdp.vtxbuf[index].f = v2->f + (v1->f - v2->f) * percent; + rdp.vtxbuf[index].u0 = 0.5f; + rdp.vtxbuf[index].v0 = v2->v0 + (v1->v0 - v2->v0) * percent + + cur_256 * rdp.cur_cache[0]->splitheight; + rdp.vtxbuf[index].u1 = v2->u1 + (v1->u1 - v2->u1) * percent; + rdp.vtxbuf[index].v1 = v2->v1 + (v1->v1 - v2->v1) * percent; + rdp.vtxbuf[index].b = (wxUint8)(v2->b + (v1->b - v2->b) * percent); + rdp.vtxbuf[index].g = (wxUint8)(v2->g + (v1->g - v2->g) * percent); + rdp.vtxbuf[index].r = (wxUint8)(v2->r + (v1->r - v2->r) * percent); + rdp.vtxbuf[index++].a = (wxUint8)(v2->a + (v1->a - v2->a) * percent); + + // Save the in point + rdp.vtxbuf[index] = *v2; + rdp.vtxbuf[index].u0 -= left_256; + rdp.vtxbuf[index++].v0 += cur_256 * rdp.cur_cache[0]->splitheight; + } + } + } + rdp.n_global = index; + + rdp.vtxbuf = rdp.vtx2; // now vtx1 holds the value, & vtx2 is the destination + rdp.vtxbuf2 = rdp.vtx1; + rdp.vtx_buffer ^= 1; + index = 0; + + for (i=0; iu0 <= right_256) + { + if (v2->u0 <= right_256) // Both are in, save the last one + { + rdp.vtxbuf[index] = *v2; + rdp.vtxbuf[index++].not_zclipped = 0; + } + else // First is in, second is out, save intersection + { + percent = (right_256 - v1->u0) / (v2->u0 - v1->u0); + rdp.vtxbuf[index].x = v1->x + (v2->x - v1->x) * percent; + rdp.vtxbuf[index].y = v1->y + (v2->y - v1->y) * percent; + rdp.vtxbuf[index].z = v1->z + (v2->z - v1->z) * percent; + rdp.vtxbuf[index].w = v1->w + (v2->w - v1->w) * percent; + rdp.vtxbuf[index].f = v1->f + (v2->f - v1->f) * percent; + rdp.vtxbuf[index].u0 = 255.5f; + rdp.vtxbuf[index].v0 = v1->v0 + (v2->v0 - v1->v0) * percent; + rdp.vtxbuf[index].u1 = v1->u1 + (v2->u1 - v1->u1) * percent; + rdp.vtxbuf[index].v1 = v1->v1 + (v2->v1 - v1->v1) * percent; + rdp.vtxbuf[index].b = (wxUint8)(v1->b + (v2->b - v1->b) * percent); + rdp.vtxbuf[index].g = (wxUint8)(v1->g + (v2->g - v1->g) * percent); + rdp.vtxbuf[index].r = (wxUint8)(v1->r + (v2->r - v1->r) * percent); + rdp.vtxbuf[index].a = (wxUint8)(v1->a + (v2->a - v1->a) * percent); + rdp.vtxbuf[index++].not_zclipped = 0; + } + } + else + { + //if (v2->u0 > 256.0f) // Both are out, save nothing + if (v2->u0 <= right_256) // First is out, second is in, save intersection & in point + { + percent = (right_256 - v2->u0) / (v1->u0 - v2->u0); + rdp.vtxbuf[index].x = v2->x + (v1->x - v2->x) * percent; + rdp.vtxbuf[index].y = v2->y + (v1->y - v2->y) * percent; + rdp.vtxbuf[index].z = v2->z + (v1->z - v2->z) * percent; + rdp.vtxbuf[index].w = v2->w + (v1->w - v2->w) * percent; + rdp.vtxbuf[index].f = v2->f + (v1->f - v2->f) * percent; + rdp.vtxbuf[index].u0 = 255.5f; + rdp.vtxbuf[index].v0 = v2->v0 + (v1->v0 - v2->v0) * percent; + rdp.vtxbuf[index].u1 = v2->u1 + (v1->u1 - v2->u1) * percent; + rdp.vtxbuf[index].v1 = v2->v1 + (v1->v1 - v2->v1) * percent; + rdp.vtxbuf[index].b = (wxUint8)(v2->b + (v1->b - v2->b) * percent); + rdp.vtxbuf[index].g = (wxUint8)(v2->g + (v1->g - v2->g) * percent); + rdp.vtxbuf[index].r = (wxUint8)(v2->r + (v1->r - v2->r) * percent); + rdp.vtxbuf[index].a = (wxUint8)(v2->a + (v1->a - v2->a) * percent); + rdp.vtxbuf[index++].not_zclipped = 0; + + // Save the in point + rdp.vtxbuf[index] = *v2; + rdp.vtxbuf[index++].not_zclipped = 0; + } + } + } + rdp.n_global = index; + + do_triangle_stuff (linew, TRUE); + } + } + else + { + // Set vertex buffers + rdp.vtxbuf = rdp.vtx1; // copy from v to rdp.vtx1 + rdp.vtxbuf2 = rdp.vtx2; + rdp.vtx_buffer = 0; + rdp.n_global = 3; + + rdp.vtxbuf[0] = *vtx[0]; + rdp.vtxbuf[0].number = 1; + rdp.vtxbuf[1] = *vtx[1]; + rdp.vtxbuf[1].number = 2; + rdp.vtxbuf[2] = *vtx[2]; + rdp.vtxbuf[2].number = 4; + + do_triangle_stuff (linew, FALSE); + } +} + +#define interp2p(a, b, r) (a + (b - a) * r) + +//* +static void InterpolateColors(VERTEX & va, VERTEX & vb, VERTEX & res, float percent) +{ + res.b = (wxUint8)interp2p(va.b, vb.b, percent); + res.g = (wxUint8)interp2p(va.g, vb.g, percent);; + res.r = (wxUint8)interp2p(va.r, vb.r, percent);; + res.a = (wxUint8)interp2p(va.a, vb.a, percent);; + res.f = interp2p(va.f, vb.f, percent);; +} +//*/ +// +// clip_w - clips aint the z-axis +// +static void clip_w (int interpolate_colors) +{ + int i,j,index,n=rdp.n_global; + float percent; + // Swap vertex buffers + VERTEX *tmp = rdp.vtxbuf2; + rdp.vtxbuf2 = rdp.vtxbuf; + rdp.vtxbuf = tmp; + rdp.vtx_buffer ^= 1; + index = 0; + + // Check the vertices for clipping + for (i=0; i= 0.01f) + { + if (Vj.w >= 0.01f) // Both are in, save the last one + { + rdp.vtxbuf[index] = Vj; + rdp.vtxbuf[index++].not_zclipped = 1; + } + else // First is in, second is out, save intersection + { + percent = (-Vi.w) / (Vj.w - Vi.w); + rdp.vtxbuf[index].not_zclipped = 0; + rdp.vtxbuf[index].x = Vi.x + (Vj.x - Vi.x) * percent; + rdp.vtxbuf[index].y = Vi.y + (Vj.y - Vi.y) * percent; + rdp.vtxbuf[index].z = Vi.z + (Vj.z - Vi.z) * percent; + rdp.vtxbuf[index].w = 0.01f; + rdp.vtxbuf[index].u0 = Vi.u0 + (Vj.u0 - Vi.u0) * percent; + rdp.vtxbuf[index].v0 = Vi.v0 + (Vj.v0 - Vi.v0) * percent; + rdp.vtxbuf[index].u1 = Vi.u1 + (Vj.u1 - Vi.u1) * percent; + rdp.vtxbuf[index].v1 = Vi.v1 + (Vj.v1 - Vi.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vi, Vj, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number; + } + } + else + { + //if (Vj.w < 0.01f) // Both are out, save nothing + if (Vj.w >= 0.01f) // First is out, second is in, save intersection & in point + { + percent = (-Vj.w) / (Vi.w - Vj.w); + rdp.vtxbuf[index].not_zclipped = 0; + rdp.vtxbuf[index].x = Vj.x + (Vi.x - Vj.x) * percent; + rdp.vtxbuf[index].y = Vj.y + (Vi.y - Vj.y) * percent; + rdp.vtxbuf[index].z = Vj.z + (Vi.z - Vj.z) * percent; + rdp.vtxbuf[index].w = 0.01f; + rdp.vtxbuf[index].u0 = Vj.u0 + (Vi.u0 - Vj.u0) * percent; + rdp.vtxbuf[index].v0 = Vj.v0 + (Vi.v0 - Vj.v0) * percent; + rdp.vtxbuf[index].u1 = Vj.u1 + (Vi.u1 - Vj.u1) * percent; + rdp.vtxbuf[index].v1 = Vj.v1 + (Vi.v1 - Vj.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vj, Vi, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number; + + // Save the in point + rdp.vtxbuf[index] = Vj; + rdp.vtxbuf[index++].not_zclipped = 1; + } + } + } + rdp.n_global = index; +} + +static void render_tri (wxUint16 linew, int old_interpolate); + +void do_triangle_stuff (wxUint16 linew, int old_interpolate) // what else?? do the triangle stuff :P (to keep from writing code twice) +{ + int i; + + if (rdp.clip & CLIP_WMIN) + clip_w (old_interpolate); + + float maxZ = (rdp.zsrc != 1) ? rdp.view_trans[2] + rdp.view_scale[2] : rdp.prim_depth; + + wxUint8 no_clip = 2; + for (i=0; i= 1) + { + rdp.vtxbuf[i].u0 *= rdp.vtxbuf[i].q; + rdp.vtxbuf[i].v0 *= rdp.vtxbuf[i].q; + } + if (rdp.tex >= 2) + { + rdp.vtxbuf[i].u1 *= rdp.vtxbuf[i].q; + rdp.vtxbuf[i].v1 *= rdp.vtxbuf[i].q; + } + } + + if (rdp.zsrc == 1) + rdp.vtxbuf[i].z = rdp.prim_depth; + + // Don't remove clipping, or it will freeze + if (rdp.vtxbuf[i].x > rdp.clip_max_x) rdp.clip |= CLIP_XMAX; + if (rdp.vtxbuf[i].x < rdp.clip_min_x) rdp.clip |= CLIP_XMIN; + if (rdp.vtxbuf[i].y > rdp.clip_max_y) rdp.clip |= CLIP_YMAX; + if (rdp.vtxbuf[i].y < rdp.clip_min_y) rdp.clip |= CLIP_YMIN; + if (rdp.vtxbuf[i].z > maxZ) rdp.clip |= CLIP_ZMAX; + if (rdp.vtxbuf[i].z < 0.0f) rdp.clip |= CLIP_ZMIN; + no_clip &= rdp.vtxbuf[i].screen_translated; + } + if (no_clip) + rdp.clip = 0; + else + { + if (!settings.clip_zmin) + rdp.clip &= ~CLIP_ZMIN; + if (!settings.clip_zmax) + rdp.clip &= ~CLIP_ZMAX; + } + render_tri (linew, old_interpolate); +} + +void do_triangle_stuff_2 (wxUint16 linew) +{ + rdp.clip = 0; + + for (int i=0; i rdp.clip_max_x) rdp.clip |= CLIP_XMAX; + if (rdp.vtxbuf[i].x < rdp.clip_min_x) rdp.clip |= CLIP_XMIN; + if (rdp.vtxbuf[i].y > rdp.clip_max_y) rdp.clip |= CLIP_YMAX; + if (rdp.vtxbuf[i].y < rdp.clip_min_y) rdp.clip |= CLIP_YMIN; + } + + render_tri (linew, TRUE); +} + +__inline wxUint8 real_to_char(double x) +{ + return (wxUint8)(((int)floor(x+0.5))&0xFF); +} + +//* +static void InterpolateColors2(VERTEX & va, VERTEX & vb, VERTEX & res, float percent) +{ + float w = 1.0f/(va.oow + (vb.oow-va.oow) * percent); + // res.oow = va.oow + (vb.oow-va.oow) * percent; + // res.q = res.oow; + float ba = va.b * va.oow; + float bb = vb.b * vb.oow; + res.b = real_to_char(interp2p(ba, bb, percent) * w); + float ga = va.g * va.oow; + float gb = vb.g * vb.oow; + res.g = real_to_char(interp2p(ga, gb, percent) * w); + float ra = va.r * va.oow; + float rb = vb.r * vb.oow; + res.r = real_to_char(interp2p(ra, rb, percent) * w); + float aa = va.a * va.oow; + float ab = vb.a * vb.oow; + res.a = real_to_char(interp2p(aa, ab, percent) * w); + float fa = va.f * va.oow; + float fb = vb.f * vb.oow; + res.f = interp2p(fa, fb, percent) * w; + /* + float u0a = va.u0_w * va.oow; + float u0b = vb.u0_w * vb.oow; + res.u0 = (u0a + (u0b - u0a) * percent) * w; + float v0a = va.v0_w * va.oow; + float v0b = vb.v0_w * vb.oow; + res.v0 = (v0a + (v0b - v0a) * percent) * w; + float u1a = va.u1_w * va.oow; + float u1b = vb.u1_w * vb.oow; + res.u1 = (u1a + (u1b - u1a) * percent) * w; + float v1a = va.v1_w * va.oow; + float v1b = vb.v1_w * vb.oow; + res.v1 = (v1a + (v1b - v1a) * percent) * w; + */ +} +//*/ + +typedef struct { + float d; //*SEB* was doubles + float x; + float y; +} LineEuqationType; + +static float EvaLine(LineEuqationType &li, float x, float y) //*SEB* all double before +{ + return li.x*x+li.y*y+li.d; +} + +static void Create1LineEq(LineEuqationType &l, VERTEX &v1, VERTEX &v2, VERTEX &v3) +{ + // Line between (x1,y1) to (x2,y2) + l.x = v2.sy-v1.sy; + l.y = v1.sx-v2.sx; + l.d = -(l.x*v2.sx+(l.y)*v2.sy); + if (EvaLine(l,v3.sx,v3.sy)*v3.oow < 0) + { + l.x = -l.x; + l.y = -l.y; + l.d = -l.d; + } +} + + +__inline float interp3p(float a, float b, float c, float r1, float r2) //*SEB* r1 and r2 and function was double +{ + return (a)+(((b)+((c)-(b))*(r2))-(a))*(r1); +} +/* +#define interp3p(a, b, c, r1, r2) \ + (a+(((b)+((c)-(b))*(r2))-(a))*(r1)) +*/ + +static void InterpolateColors3(VERTEX &v1, VERTEX &v2, VERTEX &v3, VERTEX &out) //*SEB* all double before +{ + + LineEuqationType line; + Create1LineEq(line, v2, v3, v1); + + float aDot = (out.x*line.x + out.y*line.y); + float bDot = (v1.sx*line.x + v1.sy*line.y); + + float scale1 = ( - line.d - aDot) / ( bDot - aDot ); + + float tx = out.x + scale1 * (v1.sx - out.x); + float ty = out.y + scale1 * (v1.sy - out.y); + + float s1 = 101.0, s2 = 101.0; + float den = tx - v1.sx; + if (fabsf(den) > 1.0) + s1 = (out.x-v1.sx)/den; + if (s1 > 100.0f) + s1 = (out.y-v1.sy)/(ty-v1.sy); + + den = v3.sx - v2.sx; + if (fabsf(den) > 1.0) + s2 = (tx-v2.sx)/den; + if (s2 > 100.0f) + s2 =(ty-v2.sy)/(v3.sy-v2.sy); + + float w = 1.0/interp3p(v1.oow,v2.oow,v3.oow,s1,s2); + + out.r = real_to_char(interp3p(v1.r*v1.oow,v2.r*v2.oow,v3.r*v3.oow,s1,s2)*w); + out.g = real_to_char(interp3p(v1.g*v1.oow,v2.g*v2.oow,v3.g*v3.oow,s1,s2)*w); + out.b = real_to_char(interp3p(v1.b*v1.oow,v2.b*v2.oow,v3.b*v3.oow,s1,s2)*w); + out.a = real_to_char(interp3p(v1.a*v1.oow,v2.a*v2.oow,v3.a*v3.oow,s1,s2)*w); + out.f = (float)(interp3p(v1.f*v1.oow,v2.f*v2.oow,v3.f*v3.oow,s1,s2)*w); + /* + out.u0 = interp3p(v1.u0_w*v1.oow,v2.u0_w*v2.oow,v3.u0_w*v3.oow,s1,s2)/oow; + out.v0 = interp3p(v1.v0_w*v1.oow,v2.v0_w*v2.oow,v3.v0_w*v3.oow,s1,s2)/oow; + out.u1 = interp3p(v1.u1_w*v1.oow,v2.u1_w*v2.oow,v3.u1_w*v3.oow,s1,s2)/oow; + out.v1 = interp3p(v1.v1_w*v1.oow,v2.v1_w*v2.oow,v3.v1_w*v3.oow,s1,s2)/oow; + */ +} + +static void CalculateLOD(VERTEX *v, int n) +{ + //rdp.update |= UPDATE_TEXTURE; + /* + if (rdp.lod_calculated) + { + float detailmax; + if (dc0_detailmax < 0.5) + detailmax = rdp.lod_fraction; + else + detailmax = 1.0f - rdp.lod_fraction; + grTexDetailControl (GR_TMU0, dc0_lodbias, dc0_detailscale, detailmax); + if (num_tmu == 2) + grTexDetailControl (GR_TMU1, dc1_lodbias, dc1_detailscale, detailmax); + return; + } + */ + float deltaS, deltaT; + float deltaX, deltaY; + float deltaTexels, deltaPixels, lodFactor = 0; //*SEB* double before + float intptr; //*SEB* double before + float s_scale = rdp.tiles[rdp.cur_tile].width / 255.0f; + float t_scale = rdp.tiles[rdp.cur_tile].height / 255.0f; + if (settings.lodmode == 1) + { + deltaS = (v[1].u0/v[1].q - v[0].u0/v[0].q) * s_scale; + deltaT = (v[1].v0/v[1].q - v[0].v0/v[0].q) * t_scale; + deltaTexels = sqrt( deltaS * deltaS + deltaT * deltaT ); + + deltaX = (v[1].x - v[0].x)/rdp.scale_x; + deltaY = (v[1].y - v[0].y)/rdp.scale_y; + deltaPixels = sqrt( deltaX * deltaX + deltaY * deltaY ); + + lodFactor = deltaTexels / deltaPixels; + } + else + { + int i, j; + for (i = 0; i < n; i++) + { + j = (i < n-1) ? i + 1 : 0; + + deltaS = (v[j].u0/v[j].q - v[i].u0/v[i].q) * s_scale; + deltaT = (v[j].v0/v[j].q - v[i].v0/v[i].q) * t_scale; + // deltaS = v[j].ou - v[i].ou; + // deltaT = v[j].ov - v[i].ov; + deltaTexels = sqrt( deltaS * deltaS + deltaT * deltaT ); + + deltaX = (v[j].x - v[i].x)/rdp.scale_x; + deltaY = (v[j].y - v[i].y)/rdp.scale_y; + deltaPixels = sqrt( deltaX * deltaX + deltaY * deltaY ); + + lodFactor += deltaTexels / deltaPixels; + } + // Divide by n (n edges) to find average + lodFactor = lodFactor / n; + } + int ilod = (int)lodFactor; + int lod_tile = min((int)(log10f((float)ilod)/log10f(2.0f)), rdp.cur_tile + rdp.mipmap_level); + float lod_fraction = 1.0f; + if (lod_tile < rdp.cur_tile + rdp.mipmap_level) + { + lod_fraction = max((float)modff(lodFactor / powf(2.,lod_tile),&intptr), (float)rdp.prim_lodmin / 255.0f); + } + float detailmax; + if (cmb.dc0_detailmax < 0.5f) + detailmax = lod_fraction; + else + detailmax = 1.0f - lod_fraction; + grTexDetailControl (GR_TMU0, cmb.dc0_lodbias, cmb.dc0_detailscale, detailmax); + if (voodoo.num_tmu == 2) + grTexDetailControl (GR_TMU1, cmb.dc1_lodbias, cmb.dc1_detailscale, detailmax); + FRDP("CalculateLOD factor: %f, tile: %d, lod_fraction: %f\n", (float)lodFactor, lod_tile, lod_fraction); +} + +float ScaleZ(float z) +{ + if (settings.n64_z_scale) + { + int iz = (int)(z*8.0f+0.5f); + if (iz < 0) iz = 0; + else if (iz >= 0x40000) iz = 0x40000 - 1; + return (float)zLUT[iz]; + } + if (z < 0.0f) return 0.0f; + z *= 1.9f; + if (z > 65534.0f) return 65534.0f; + return z; +} + +static void DepthBuffer(VERTEX * vtx, int n) +{ + if (fb_depth_render_enabled && !(settings.hacks&hack_RE2) && dzdx && (rdp.flags & ZBUF_UPDATE)) + { + vertexi v[12]; + if (u_cull_mode == 1) //cull front + { + for(int i=0; i rdp.clip_max_x) // Both are out, save nothing + if (Vj.x <= rdp.clip_max_x) // First is out, second is in, save intersection & in point + { + percent = (rdp.clip_max_x - Vj.x) / (Vi.x - Vj.x); + rdp.vtxbuf[index].x = rdp.clip_max_x; + rdp.vtxbuf[index].y = Vj.y + (Vi.y - Vj.y) * percent; + rdp.vtxbuf[index].z = Vj.z + (Vi.z - Vj.z) * percent; + rdp.vtxbuf[index].q = Vj.q + (Vi.q - Vj.q) * percent; + rdp.vtxbuf[index].u0 = Vj.u0 + (Vi.u0 - Vj.u0) * percent; + rdp.vtxbuf[index].v0 = Vj.v0 + (Vi.v0 - Vj.v0) * percent; + rdp.vtxbuf[index].u1 = Vj.u1 + (Vi.u1 - Vj.u1) * percent; + rdp.vtxbuf[index].v1 = Vj.v1 + (Vi.v1 - Vj.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vj, Vi, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number | 8; + + // Save the in point + rdp.vtxbuf[index++] = Vj; + } + } + } + n = index; + } + if (rdp.clip & CLIP_XMIN) // left of the screen + { + // Swap vertex buffers + VERTEX *tmp = rdp.vtxbuf2; + rdp.vtxbuf2 = rdp.vtxbuf; + rdp.vtxbuf = tmp; + rdp.vtx_buffer ^= 1; + index = 0; + + // Check the vertices for clipping + for (i=0; i= rdp.clip_min_x) + { + if (Vj.x >= rdp.clip_min_x) // Both are in, save the last one + { + rdp.vtxbuf[index++] = Vj; + } + else // First is in, second is out, save intersection + { + percent = (rdp.clip_min_x - Vi.x) / (Vj.x - Vi.x); + rdp.vtxbuf[index].x = rdp.clip_min_x; + rdp.vtxbuf[index].y = Vi.y + (Vj.y - Vi.y) * percent; + rdp.vtxbuf[index].z = Vi.z + (Vj.z - Vi.z) * percent; + rdp.vtxbuf[index].q = Vi.q + (Vj.q - Vi.q) * percent; + rdp.vtxbuf[index].u0 = Vi.u0 + (Vj.u0 - Vi.u0) * percent; + rdp.vtxbuf[index].v0 = Vi.v0 + (Vj.v0 - Vi.v0) * percent; + rdp.vtxbuf[index].u1 = Vi.u1 + (Vj.u1 - Vi.u1) * percent; + rdp.vtxbuf[index].v1 = Vi.v1 + (Vj.v1 - Vi.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vi, Vj, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number | 8; + } + } + else + { + //if (Vj.x < rdp.clip_min_x) // Both are out, save nothing + if (Vj.x >= rdp.clip_min_x) // First is out, second is in, save intersection & in point + { + percent = (rdp.clip_min_x - Vj.x) / (Vi.x - Vj.x); + rdp.vtxbuf[index].x = rdp.clip_min_x; + rdp.vtxbuf[index].y = Vj.y + (Vi.y - Vj.y) * percent; + rdp.vtxbuf[index].z = Vj.z + (Vi.z - Vj.z) * percent; + rdp.vtxbuf[index].q = Vj.q + (Vi.q - Vj.q) * percent; + rdp.vtxbuf[index].u0 = Vj.u0 + (Vi.u0 - Vj.u0) * percent; + rdp.vtxbuf[index].v0 = Vj.v0 + (Vi.v0 - Vj.v0) * percent; + rdp.vtxbuf[index].u1 = Vj.u1 + (Vi.u1 - Vj.u1) * percent; + rdp.vtxbuf[index].v1 = Vj.v1 + (Vi.v1 - Vj.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vj, Vi, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number | 8; + + // Save the in point + rdp.vtxbuf[index++] = Vj; + } + } + } + n = index; + } + if (rdp.clip & CLIP_YMAX) // top of the screen + { + // Swap vertex buffers + VERTEX *tmp = rdp.vtxbuf2; + rdp.vtxbuf2 = rdp.vtxbuf; + rdp.vtxbuf = tmp; + rdp.vtx_buffer ^= 1; + index = 0; + + // Check the vertices for clipping + for (i=0; i rdp.clip_max_y) // Both are out, save nothing + if (Vj.y <= rdp.clip_max_y) // First is out, second is in, save intersection & in point + { + percent = (rdp.clip_max_y - Vj.y) / (Vi.y - Vj.y); + rdp.vtxbuf[index].x = Vj.x + (Vi.x - Vj.x) * percent; + rdp.vtxbuf[index].y = rdp.clip_max_y; + rdp.vtxbuf[index].z = Vj.z + (Vi.z - Vj.z) * percent; + rdp.vtxbuf[index].q = Vj.q + (Vi.q - Vj.q) * percent; + rdp.vtxbuf[index].u0 = Vj.u0 + (Vi.u0 - Vj.u0) * percent; + rdp.vtxbuf[index].v0 = Vj.v0 + (Vi.v0 - Vj.v0) * percent; + rdp.vtxbuf[index].u1 = Vj.u1 + (Vi.u1 - Vj.u1) * percent; + rdp.vtxbuf[index].v1 = Vj.v1 + (Vi.v1 - Vj.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vj, Vi, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number | 16; + + // Save the in point + rdp.vtxbuf[index++] = Vj; + } + } + } + n = index; + } + if (rdp.clip & CLIP_YMIN) // bottom of the screen + { + // Swap vertex buffers + VERTEX *tmp = rdp.vtxbuf2; + rdp.vtxbuf2 = rdp.vtxbuf; + rdp.vtxbuf = tmp; + rdp.vtx_buffer ^= 1; + index = 0; + + // Check the vertices for clipping + for (i=0; i= rdp.clip_min_y) + { + if (Vj.y >= rdp.clip_min_y) // Both are in, save the last one + { + rdp.vtxbuf[index++] = Vj; + } + else // First is in, second is out, save intersection + { + percent = (rdp.clip_min_y - Vi.y) / (Vj.y - Vi.y); + rdp.vtxbuf[index].x = Vi.x + (Vj.x - Vi.x) * percent; + rdp.vtxbuf[index].y = rdp.clip_min_y; + rdp.vtxbuf[index].z = Vi.z + (Vj.z - Vi.z) * percent; + rdp.vtxbuf[index].q = Vi.q + (Vj.q - Vi.q) * percent; + rdp.vtxbuf[index].u0 = Vi.u0 + (Vj.u0 - Vi.u0) * percent; + rdp.vtxbuf[index].v0 = Vi.v0 + (Vj.v0 - Vi.v0) * percent; + rdp.vtxbuf[index].u1 = Vi.u1 + (Vj.u1 - Vi.u1) * percent; + rdp.vtxbuf[index].v1 = Vi.v1 + (Vj.v1 - Vi.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vi, Vj, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number | 16; + } + } + else + { + //if (Vj.y < rdp.clip_min_y) // Both are out, save nothing + if (Vj.y >= rdp.clip_min_y) // First is out, second is in, save intersection & in point + { + percent = (rdp.clip_min_y - Vj.y) / (Vi.y - Vj.y); + rdp.vtxbuf[index].x = Vj.x + (Vi.x - Vj.x) * percent; + rdp.vtxbuf[index].y = rdp.clip_min_y; + rdp.vtxbuf[index].z = Vj.z + (Vi.z - Vj.z) * percent; + rdp.vtxbuf[index].q = Vj.q + (Vi.q - Vj.q) * percent; + rdp.vtxbuf[index].u0 = Vj.u0 + (Vi.u0 - Vj.u0) * percent; + rdp.vtxbuf[index].v0 = Vj.v0 + (Vi.v0 - Vj.v0) * percent; + rdp.vtxbuf[index].u1 = Vj.u1 + (Vi.u1 - Vj.u1) * percent; + rdp.vtxbuf[index].v1 = Vj.v1 + (Vi.v1 - Vj.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vj, Vi, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number | 16; + + // Save the in point + rdp.vtxbuf[index++] = Vj; + } + } + } + n = index; + } + if (rdp.clip & CLIP_ZMAX) // far plane + { + // Swap vertex buffers + VERTEX *tmp = rdp.vtxbuf2; + rdp.vtxbuf2 = rdp.vtxbuf; + rdp.vtxbuf = tmp; + rdp.vtx_buffer ^= 1; + index = 0; + float maxZ = rdp.view_trans[2] + rdp.view_scale[2]; + + // Check the vertices for clipping + for (i=0; i maxZ) // Both are out, save nothing + if (Vj.z < maxZ) // First is out, second is in, save intersection & in point + { + percent = (maxZ - Vj.z) / (Vi.z - Vj.z); + rdp.vtxbuf[index].x = Vj.x + (Vi.x - Vj.x) * percent; + rdp.vtxbuf[index].y = Vj.y + (Vi.y - Vj.y) * percent; + rdp.vtxbuf[index].z = maxZ - 0.001f;; + rdp.vtxbuf[index].q = Vj.q + (Vi.q - Vj.q) * percent; + rdp.vtxbuf[index].u0 = Vj.u0 + (Vi.u0 - Vj.u0) * percent; + rdp.vtxbuf[index].v0 = Vj.v0 + (Vi.v0 - Vj.v0) * percent; + rdp.vtxbuf[index].u1 = Vj.u1 + (Vi.u1 - Vj.u1) * percent; + rdp.vtxbuf[index].v1 = Vj.v1 + (Vi.v1 - Vj.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vj, Vi, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number; + + // Save the in point + rdp.vtxbuf[index++] = Vj; + } + } + } + n = index; + } +/* + if (rdp.clip & CLIP_ZMIN) // near Z + { + // Swap vertex buffers + VERTEX *tmp = rdp.vtxbuf2; + rdp.vtxbuf2 = rdp.vtxbuf; + rdp.vtxbuf = tmp; + rdp.vtx_buffer ^= 1; + index = 0; + + // Check the vertices for clipping + for (i=0; i= 0.0f) + { + if (Vj.z >= 0.0f) // Both are in, save the last one + { + rdp.vtxbuf[index++] = Vj; + } + else // First is in, second is out, save intersection + { + percent = (-Vi.z) / (Vj.z - Vi.z); + rdp.vtxbuf[index].x = Vi.x + (Vj.x - Vi.x) * percent; + rdp.vtxbuf[index].y = Vi.y + (Vj.y - Vi.y) * percent; + rdp.vtxbuf[index].z = 0.0f; + rdp.vtxbuf[index].q = Vi.q + (Vj.q - Vi.q) * percent; + rdp.vtxbuf[index].u0 = Vi.u0 + (Vj.u0 - Vi.u0) * percent; + rdp.vtxbuf[index].v0 = Vi.v0 + (Vj.v0 - Vi.v0) * percent; + rdp.vtxbuf[index].u1 = Vi.u1 + (Vj.u1 - Vi.u1) * percent; + rdp.vtxbuf[index].v1 = Vi.v1 + (Vj.v1 - Vi.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vi, Vj, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number; + } + } + else + { + //if (Vj.z < 0.0f) // Both are out, save nothing + if (Vj.z >= 0.0f) // First is out, second is in, save intersection & in point + { + percent = (-Vj.z) / (Vi.z - Vj.z); + rdp.vtxbuf[index].x = Vj.x + (Vi.x - Vj.x) * percent; + rdp.vtxbuf[index].y = Vj.y + (Vi.y - Vj.y) * percent; + rdp.vtxbuf[index].z = 0.0f;; + rdp.vtxbuf[index].q = Vj.q + (Vi.q - Vj.q) * percent; + rdp.vtxbuf[index].u0 = Vj.u0 + (Vi.u0 - Vj.u0) * percent; + rdp.vtxbuf[index].v0 = Vj.v0 + (Vi.v0 - Vj.v0) * percent; + rdp.vtxbuf[index].u1 = Vj.u1 + (Vi.u1 - Vj.u1) * percent; + rdp.vtxbuf[index].v1 = Vj.v1 + (Vi.v1 - Vj.v1) * percent; + if (interpolate_colors) + InterpolateColors(Vj, Vi, rdp.vtxbuf[index++], percent); + else + rdp.vtxbuf[index++].number = Vi.number | Vj.number; + + // Save the in point + rdp.vtxbuf[index++] = Vj; + } + } + } + n = index; + } +*/ + rdp.n_global = n; +} + +static void render_tri (wxUint16 linew, int old_interpolate) +{ + if (rdp.clip) + clip_tri(old_interpolate); + int n = rdp.n_global; + if (n < 3) + { + FRDP (" * render_tri: n < 3\n"); + return; + } + int i,j; + //* + if ((rdp.clip & CLIP_ZMIN) && (rdp.othermode_l & 0x00000030)) + { + + int to_render = FALSE; + for (i = 0; i < n; i++) + { + if (rdp.vtxbuf[i].z >= 0.0f) + { + to_render = TRUE; + break; + } + } + if (!to_render) //all z < 0 + { + FRDP (" * render_tri: all z < 0\n"); + return; + } + } + //*/ + if (rdp.clip && !old_interpolate) + { + for (i = 0; i < n; i++) + { + float percent = 101.0f; + VERTEX * v1 = 0, * v2 = 0; + switch (rdp.vtxbuf[i].number&7) + { + case 1: + case 2: + case 4: + continue; + break; + case 3: + v1 = org_vtx[0]; + v2 = org_vtx[1]; + break; + case 5: + v1 = org_vtx[0]; + v2 = org_vtx[2]; + break; + case 6: + v1 = org_vtx[1]; + v2 = org_vtx[2]; + break; + case 7: + InterpolateColors3(*org_vtx[0], *org_vtx[1], *org_vtx[2], rdp.vtxbuf[i]); + continue; + break; + } + switch (rdp.vtxbuf[i].number&24) + { + case 8: + percent = (rdp.vtxbuf[i].x-v1->sx)/(v2->sx-v1->sx); + break; + case 16: + percent = (rdp.vtxbuf[i].y-v1->sy)/(v2->sy-v1->sy); + break; + default: + { + float d = (v2->sx-v1->sx); + if (fabs(d) > 1.0) + percent = (rdp.vtxbuf[i].x-v1->sx)/d; + if (percent > 100.0f) + percent = (rdp.vtxbuf[i].y-v1->sy)/(v2->sy-v1->sy); + } + } + InterpolateColors2(*v1, *v2, rdp.vtxbuf[i], percent); + } + } + /* + if (rdp.clip) + { + LOGG("Colors before clipping:\n"); + unsigned int k; + for(k=0; k<3; k++) + { + FRDP2("V%d: r=%d, g=%d, b=%d, a=%d, f=%d\n", k, org_vtx[k]->r, org_vtx[k]->g, org_vtx[k]->b, org_vtx[k]->a, (short)org_vtx[k]->f); + } + FRDP("Got %d vertex after clipping\n", n); + for(k=0; k 0 && rdp.cur_tile < rdp.mipmap_level) + CalculateLOD(rdp.vtxbuf, n); + + cmb.cmb_ext_use = cmb.tex_cmb_ext_use = 0; + + /* + if (rdp.tbuff_tex) + { + for (int k = 0; k < 3; k++) + { + FRDP("v%d %f->%f, width: %d. height: %d, tex_width: %d, tex_height: %d, lr_u: %f, lr_v: %f\n", k, vv0[k], pv[k]->v1, rdp.tbuff_tex->width, rdp.tbuff_tex->height, rdp.tbuff_tex->tex_width, rdp.tbuff_tex->tex_height, rdp.tbuff_tex->lr_u, rdp.tbuff_tex->lr_v); + } + } + */ + if (fullscreen) + { + if (settings.wireframe) + { + SetWireframeCol (); + for (i=0; ix, pv[k]->y, pv[k]->z, pv[k]->coord[rdp.t0<<1], pv[k]->coord[(rdp.t0<<1)+1]); + // pv[k]->y = settings.res_y - pv[k]->y; + + if (linew > 0) + { + VERTEX *V0 = &rdp.vtxbuf[0]; + VERTEX *V1 = &rdp.vtxbuf[1]; + if (fabs(V0->x - V1->x) < 0.01 && fabs(V0->y - V1->y) < 0.01) + V1 = &rdp.vtxbuf[2]; + V0->z = ScaleZ(V0->z); + V1->z = ScaleZ(V1->z); + VERTEX v[4]; + v[0] = *V0; + v[1] = *V0; + v[2] = *V1; + v[3] = *V1; + float width = linew * 0.25f; + if (fabs(V0->y - V1->y) < 0.0001) + { + v[0].x = v[1].x = V0->x; + v[2].x = v[3].x = V1->x; + + width *= rdp.scale_y; + v[0].y = v[2].y = V0->y - width; + v[1].y = v[3].y = V0->y + width; + } + else if (fabs(V0->x - V1->x) < 0.0001) + { + v[0].y = v[1].y = V0->y; + v[2].y = v[3].y = V1->y; + + width *= rdp.scale_x; + v[0].x = v[2].x = V0->x - width; + v[1].x = v[3].x = V0->x + width; + } + else + { + float dx = V1->x - V0->x; + float dy = V1->y - V0->y; + float len = sqrtf(dx*dx + dy*dy); + float wx = dy * width * rdp.scale_x / len; + float wy = dx * width * rdp.scale_y / len; + v[0].x = V0->x + wx; + v[0].y = V0->y - wy; + v[1].x = V0->x - wx; + v[1].y = V0->y + wy; + v[2].x = V1->x + wx; + v[2].y = V1->y - wy; + v[3].x = V1->x - wx; + v[3].y = V1->y + wy; + } + grDrawTriangle(&v[0], &v[1], &v[2]); + grDrawTriangle(&v[1], &v[2], &v[3]); + } + else + { + DepthBuffer(rdp.vtxbuf, n); + if ((rdp.rm & 0xC10) == 0xC10) + grDepthBiasLevel (-deltaZ); + grDrawVertexArray (GR_TRIANGLE_FAN, n, rdp.vtx_buffer?(&vtx_list2):(&vtx_list1)); + } + } + } + + if (_debugger.capture) add_tri (rdp.vtxbuf, n, TRI_TRIANGLE); +} + +void add_tri (VERTEX *v, int n, int type) +{ + //FRDP ("ENTER (%f, %f, %f), (%f, %f, %f), (%f, %f, %f)\n", v[0].x, v[0].y, v[0].w, + // v[1].x, v[1].y, v[1].w, v[2].x, v[2].y, v[2].w); + + // Debug capture + if (_debugger.capture) + { + rdp.debug_n ++; + + TRI_INFO *info = new TRI_INFO; + info->nv = n; + info->v = new VERTEX [n]; + memcpy (info->v, v, sizeof(VERTEX)*n); + info->cycle_mode = rdp.cycle_mode; + info->cycle1 = rdp.cycle1; + info->cycle2 = rdp.cycle2; + info->uncombined = rdp.uncombined; + info->geom_mode = rdp.geom_mode; + info->othermode_h = rdp.othermode_h; + info->othermode_l = rdp.othermode_l; + info->tri_n = rdp.tri_n; + info->type = type; + + for (int i=0; i<2; i++) + { + int j = rdp.cur_tile+i; + if (i == 0) + info->t[i].tmu = rdp.t0; + else + info->t[i].tmu = rdp.t1; + info->t[i].cur_cache[0] = rdp.cur_cache_n[rdp.t0]; + info->t[i].cur_cache[1] = rdp.cur_cache_n[rdp.t1]; + info->t[i].format = rdp.tiles[j].format; + info->t[i].size = rdp.tiles[j].size; + info->t[i].width = rdp.tiles[j].width; + info->t[i].height = rdp.tiles[j].height; + info->t[i].line = rdp.tiles[j].line; + info->t[i].palette = rdp.tiles[j].palette; + info->t[i].clamp_s = rdp.tiles[j].clamp_s; + info->t[i].clamp_t = rdp.tiles[j].clamp_t; + info->t[i].mirror_s = rdp.tiles[j].mirror_s; + info->t[i].mirror_t = rdp.tiles[j].mirror_t; + info->t[i].shift_s = rdp.tiles[j].shift_s; + info->t[i].shift_t = rdp.tiles[j].shift_t; + info->t[i].mask_s = rdp.tiles[j].mask_s; + info->t[i].mask_t = rdp.tiles[j].mask_t; + info->t[i].ul_s = rdp.tiles[j].ul_s; + info->t[i].ul_t = rdp.tiles[j].ul_t; + info->t[i].lr_s = rdp.tiles[j].lr_s; + info->t[i].lr_t = rdp.tiles[j].lr_t; + info->t[i].t_ul_s = rdp.tiles[7].t_ul_s; + info->t[i].t_ul_t = rdp.tiles[7].t_ul_t; + info->t[i].t_lr_s = rdp.tiles[7].t_lr_s; + info->t[i].t_lr_t = rdp.tiles[7].t_lr_t; + info->t[i].scale_s = rdp.tiles[j].s_scale; + info->t[i].scale_t = rdp.tiles[j].t_scale; + } + + info->fog_color = rdp.fog_color; + info->fill_color = rdp.fill_color; + info->prim_color = rdp.prim_color; + info->blend_color = rdp.blend_color; + info->env_color = rdp.env_color; + info->prim_lodmin = rdp.prim_lodmin; + info->prim_lodfrac = rdp.prim_lodfrac; + + info->pNext = _debugger.tri_list; + _debugger.tri_list = info; + + if (_debugger.tri_last == NULL) + _debugger.tri_last = _debugger.tri_list; + } +} + +void update_scissor () +{ + if (rdp.update & UPDATE_SCISSOR) + { + rdp.update ^= UPDATE_SCISSOR; + + // KILL the floating point error with 0.01f + rdp.scissor.ul_x = (wxUint32)max(min((rdp.scissor_o.ul_x * rdp.scale_x + rdp.offset_x + 0.01f),settings.res_x),0); + rdp.scissor.lr_x = (wxUint32)max(min((rdp.scissor_o.lr_x * rdp.scale_x + rdp.offset_x + 0.01f),settings.res_x),0); + rdp.scissor.ul_y = (wxUint32)max(min((rdp.scissor_o.ul_y * rdp.scale_y + rdp.offset_y + 0.01f),settings.res_y),0); + rdp.scissor.lr_y = (wxUint32)max(min((rdp.scissor_o.lr_y * rdp.scale_y + rdp.offset_y + 0.01f),settings.res_y),0); + //grClipWindow specifies the hardware clipping window. Any pixels outside the clipping window are rejected. + //Values are inclusive for minimum x and y values and exclusive for maximum x and y values. +// grClipWindow (rdp.scissor.ul_x?rdp.scissor.ul_x+1:0, rdp.scissor.ul_y?rdp.scissor.ul_y+1:0, rdp.scissor.lr_x, rdp.scissor.lr_y); + if (fullscreen) + grClipWindow (rdp.scissor.ul_x, rdp.scissor.ul_y, rdp.scissor.lr_x, rdp.scissor.lr_y); + FRDP (" |- scissor - (%d, %d) -> (%d, %d)\n", rdp.scissor.ul_x, rdp.scissor.ul_y, + rdp.scissor.lr_x, rdp.scissor.lr_y); + } +} + +// +// update - update states if they need it +// + +typedef struct +{ + unsigned int c2_m2b:2; + unsigned int c1_m2b:2; + unsigned int c2_m2a:2; + unsigned int c1_m2a:2; + unsigned int c2_m1b:2; + unsigned int c1_m1b:2; + unsigned int c2_m1a:2; + unsigned int c1_m1a:2; +} rdp_blender_setting; + +void update () +{ + LRDP ("-+ update called\n"); + // Check for rendermode changes + // Z buffer + if (rdp.render_mode_changed & 0x00000C30) + { + FRDP (" |- render_mode_changed zbuf - decal: %s, update: %s, compare: %s\n", + str_yn[(rdp.othermode_l & 0x00000400)?1:0], + str_yn[(rdp.othermode_l&0x00000020)?1:0], + str_yn[(rdp.othermode_l&0x00000010)?1:0]); + + rdp.render_mode_changed &= ~0x00000C30; + rdp.update |= UPDATE_ZBUF_ENABLED; + + // Update? + if ((rdp.othermode_l & 0x00000020)) + rdp.flags |= ZBUF_UPDATE; + else + rdp.flags &= ~ZBUF_UPDATE; + + // Compare? + if (rdp.othermode_l & 0x00000010) + rdp.flags |= ZBUF_COMPARE; + else + rdp.flags &= ~ZBUF_COMPARE; + } + + // Alpha compare + if (rdp.render_mode_changed & 0x00001000) + { + FRDP (" |- render_mode_changed alpha compare - on: %s\n", + str_yn[(rdp.othermode_l&0x00001000)?1:0]); + rdp.render_mode_changed &= ~0x00001000; + rdp.update |= UPDATE_ALPHA_COMPARE; + + if (rdp.othermode_l & 0x00001000) + rdp.flags |= ALPHA_COMPARE; + else + rdp.flags &= ~ALPHA_COMPARE; + } + + if (rdp.render_mode_changed & 0x00002000) // alpha cvg sel + { + FRDP (" |- render_mode_changed alpha cvg sel - on: %s\n", + str_yn[(rdp.othermode_l&0x00002000)?1:0]); + rdp.render_mode_changed &= ~0x00002000; + rdp.update |= UPDATE_COMBINE; + rdp.update |= UPDATE_ALPHA_COMPARE; + } + + // Force blend + if (rdp.render_mode_changed & 0xFFFF0000) + { + FRDP (" |- render_mode_changed force_blend - %08lx\n", rdp.othermode_l&0xFFFF0000); + rdp.render_mode_changed &= 0x0000FFFF; + + rdp.fbl_a0 = (wxUint8)((rdp.othermode_l>>30)&0x3); + rdp.fbl_b0 = (wxUint8)((rdp.othermode_l>>26)&0x3); + rdp.fbl_c0 = (wxUint8)((rdp.othermode_l>>22)&0x3); + rdp.fbl_d0 = (wxUint8)((rdp.othermode_l>>18)&0x3); + rdp.fbl_a1 = (wxUint8)((rdp.othermode_l>>28)&0x3); + rdp.fbl_b1 = (wxUint8)((rdp.othermode_l>>24)&0x3); + rdp.fbl_c1 = (wxUint8)((rdp.othermode_l>>20)&0x3); + rdp.fbl_d1 = (wxUint8)((rdp.othermode_l>>16)&0x3); + + rdp.update |= UPDATE_COMBINE; + } + + // Combine MUST go before texture + if ((rdp.update & UPDATE_COMBINE) && rdp.allow_combine) + { + TBUFF_COLOR_IMAGE * aTBuff[2] = {0, 0}; + if (rdp.aTBuffTex[0]) + aTBuff[rdp.aTBuffTex[0]->tile] = rdp.aTBuffTex[0]; + if (rdp.aTBuffTex[1]) + aTBuff[rdp.aTBuffTex[1]->tile] = rdp.aTBuffTex[1]; + rdp.aTBuffTex[0] = aTBuff[0]; + rdp.aTBuffTex[1] = aTBuff[1]; + + LRDP (" |-+ update_combine\n"); + Combine (); + } + + if (rdp.update & UPDATE_TEXTURE) // note: UPDATE_TEXTURE and UPDATE_COMBINE are the same + { + rdp.tex_ctr ++; + if (rdp.tex_ctr == 0xFFFFFFFF) + rdp.tex_ctr = 0; + + TexCache (); + if (rdp.noise == RDP::noise_none) + rdp.update ^= UPDATE_TEXTURE; + } + + if (fullscreen) + { + // Z buffer + if (rdp.update & UPDATE_ZBUF_ENABLED) + { + // already logged above + rdp.update ^= UPDATE_ZBUF_ENABLED; + + if (((rdp.flags & ZBUF_ENABLED) || rdp.zsrc == 1) && rdp.cycle_mode < 2) + { + if (rdp.flags & ZBUF_COMPARE) + { + switch ((rdp.rm & 0xC00)>>10) { + case 0: + grDepthBiasLevel(0); + grDepthBufferFunction (settings.zmode_compare_less ? GR_CMP_LESS : GR_CMP_LEQUAL); + break; + case 1: + grDepthBiasLevel(-4); + grDepthBufferFunction (settings.zmode_compare_less ? GR_CMP_LESS : GR_CMP_LEQUAL); + break; + case 2: + grDepthBiasLevel(settings.ucode == 7 ? -4 : 0); + grDepthBufferFunction (GR_CMP_LESS); + break; + case 3: + // will be set dynamically per polygon + //grDepthBiasLevel(-deltaZ); + grDepthBufferFunction (GR_CMP_LEQUAL); + break; + } + } + else + { + grDepthBiasLevel(0); + grDepthBufferFunction (GR_CMP_ALWAYS); + } + + if (rdp.flags & ZBUF_UPDATE) + grDepthMask (FXTRUE); + else + grDepthMask (FXFALSE); + } + else + { + grDepthBiasLevel(0); + grDepthBufferFunction (GR_CMP_ALWAYS); + grDepthMask (FXFALSE); + } + } + + // Alpha compare + if (rdp.update & UPDATE_ALPHA_COMPARE) + { + // already logged above + rdp.update ^= UPDATE_ALPHA_COMPARE; + + // if (rdp.acmp == 1 && !(rdp.othermode_l & 0x00002000) && !force_full_alpha) + // if (rdp.acmp == 1 && !(rdp.othermode_l & 0x00002000) && (rdp.blend_color&0xFF)) + if (rdp.acmp == 1 && !(rdp.othermode_l & 0x00002000) && (!(rdp.othermode_l & 0x00004000) || (rdp.blend_color&0xFF))) + { + wxUint8 reference = (wxUint8)(rdp.blend_color&0xFF); + grAlphaTestFunction (reference ? GR_CMP_GEQUAL : GR_CMP_GREATER); + grAlphaTestReferenceValue (reference); + FRDP (" |- alpha compare: blend: %02lx\n", reference); + } + else + { + if (rdp.flags & ALPHA_COMPARE) + { + if ((rdp.othermode_l & 0x5000) != 0x5000) + { + grAlphaTestFunction (GR_CMP_GEQUAL); + grAlphaTestReferenceValue (0x20);//0xA0); + LRDP (" |- alpha compare: 0x20\n"); + } + else + { + grAlphaTestFunction (GR_CMP_GREATER); + if (rdp.acmp == 3) + { + grAlphaTestReferenceValue ((wxUint8)(rdp.blend_color&0xFF)); + FRDP (" |- alpha compare: blend: %02lx\n", rdp.blend_color&0xFF); + } + else + { + grAlphaTestReferenceValue (0x00); + LRDP (" |- alpha compare: 0x00\n"); + } + } + } + else + { + grAlphaTestFunction (GR_CMP_ALWAYS); + LRDP (" |- alpha compare: none\n"); + } + } + if (rdp.acmp == 3 && rdp.cycle_mode < 2) + { + if (grStippleModeExt != 0) + { + if (settings.old_style_adither || rdp.alpha_dither_mode != 3) { + LRDP (" |- alpha compare: dither\n"); + grStippleModeExt(settings.stipple_mode); + } + else + grStippleModeExt(GR_STIPPLE_DISABLE); + } + } + else + { + if (grStippleModeExt) + { + //LRDP (" |- alpha compare: dither disabled\n"); + grStippleModeExt(GR_STIPPLE_DISABLE); + } + } + } + // Cull mode (leave this in for z-clipped triangles) + if (rdp.update & UPDATE_CULL_MODE) + { + rdp.update ^= UPDATE_CULL_MODE; + wxUint32 mode = (rdp.flags & CULLMASK) >> CULLSHIFT; + FRDP (" |- cull_mode - mode: %s\n", str_cull[mode]); + switch (mode) + { + case 0: // cull none + case 3: // cull both + grCullMode(GR_CULL_DISABLE); + break; + case 1: // cull front + // grCullMode(GR_CULL_POSITIVE); + grCullMode(GR_CULL_NEGATIVE); + break; + case 2: // cull back + // grCullMode (GR_CULL_NEGATIVE); + grCullMode (GR_CULL_POSITIVE); + break; + } + } + + //Added by Gonetz. + if (settings.fog && (rdp.update & UPDATE_FOG_ENABLED)) + { + rdp.update ^= UPDATE_FOG_ENABLED; + + wxUint16 blender = (wxUint16)(rdp.othermode_l >> 16); + if (rdp.flags & FOG_ENABLED) + { + rdp_blender_setting &bl = *(rdp_blender_setting*)(&(blender)); + if((rdp.fog_multiplier > 0) && (bl.c1_m1a==3 || bl.c1_m2a == 3 || bl.c2_m1a == 3 || bl.c2_m2a == 3)) + { + grFogColorValue(rdp.fog_color); + grFogMode (GR_FOG_WITH_TABLE_ON_FOGCOORD_EXT); + rdp.fog_mode = RDP::fog_enabled; + LRDP("fog enabled \n"); + } + else + { + LRDP("fog disabled in blender\n"); + rdp.fog_mode = RDP::fog_disabled; + grFogMode (GR_FOG_DISABLE); + } + } + else if (blender == 0xc410 || blender == 0xc411 || blender == 0xf500) + { + grFogColorValue(rdp.fog_color); + grFogMode (GR_FOG_WITH_TABLE_ON_FOGCOORD_EXT); + rdp.fog_mode = RDP::fog_blend; + LRDP("fog blend \n"); + } + else if (blender == 0x04d1) + { + grFogColorValue(rdp.fog_color); + grFogMode (GR_FOG_WITH_TABLE_ON_FOGCOORD_EXT); + rdp.fog_mode = RDP::fog_blend_inverse; + LRDP("fog blend \n"); + } + else + { + LRDP("fog disabled\n"); + rdp.fog_mode = RDP::fog_disabled; + grFogMode (GR_FOG_DISABLE); + } + } + } + + if (rdp.update & UPDATE_VIEWPORT) + { + rdp.update ^= UPDATE_VIEWPORT; + if (fullscreen) + { + float scale_x = (float)fabs(rdp.view_scale[0]); + float scale_y = (float)fabs(rdp.view_scale[1]); + + rdp.clip_min_x = max((rdp.view_trans[0] - scale_x + rdp.offset_x) / rdp.clip_ratio, 0.0f); + rdp.clip_min_y = max((rdp.view_trans[1] - scale_y + rdp.offset_y) / rdp.clip_ratio, 0.0f); + rdp.clip_max_x = min((rdp.view_trans[0] + scale_x + rdp.offset_x) * rdp.clip_ratio, settings.res_x); + rdp.clip_max_y = min((rdp.view_trans[1] + scale_y + rdp.offset_y) * rdp.clip_ratio, settings.res_y); + + FRDP (" |- viewport - (%d, %d, %d, %d)\n", (wxUint32)rdp.clip_min_x, (wxUint32)rdp.clip_min_y, (wxUint32)rdp.clip_max_x, (wxUint32)rdp.clip_max_y); + if (!rdp.scissor_set) + { + rdp.scissor.ul_x = (wxUint32)rdp.clip_min_x; + rdp.scissor.lr_x = (wxUint32)rdp.clip_max_x; + rdp.scissor.ul_y = (wxUint32)rdp.clip_min_y; + rdp.scissor.lr_y = (wxUint32)rdp.clip_max_y; + grClipWindow (rdp.scissor.ul_x, rdp.scissor.ul_y, rdp.scissor.lr_x, rdp.scissor.lr_y); + } + } + } + + if (rdp.update & UPDATE_SCISSOR) + update_scissor (); + + LRDP (" + update end\n"); +} + +void set_message_combiner () +{ + grColorCombine (GR_COMBINE_FUNCTION_SCALE_OTHER, + GR_COMBINE_FACTOR_ONE, + GR_COMBINE_LOCAL_NONE, + GR_COMBINE_OTHER_TEXTURE, + FXFALSE); + grAlphaCombine (GR_COMBINE_FUNCTION_SCALE_OTHER, + GR_COMBINE_FACTOR_ONE, + GR_COMBINE_LOCAL_NONE, + GR_COMBINE_OTHER_TEXTURE, + FXFALSE); + if (settings.buff_clear && (settings.show_fps & 0x08)) + grAlphaBlendFunction (GR_BLEND_SRC_ALPHA, + GR_BLEND_ONE_MINUS_SRC_ALPHA, + GR_BLEND_ZERO, + GR_BLEND_ZERO); + else + grAlphaBlendFunction (GR_BLEND_ONE, + GR_BLEND_ZERO, + GR_BLEND_ZERO, + GR_BLEND_ZERO); + grAlphaTestFunction (GR_CMP_ALWAYS); + if (grStippleModeExt) + { + grStippleModeExt(GR_STIPPLE_DISABLE); + } + grTexFilterMode (0, GR_TEXTUREFILTER_BILINEAR, GR_TEXTUREFILTER_BILINEAR); + grTexCombine (GR_TMU1, + GR_COMBINE_FUNCTION_NONE, + GR_COMBINE_FACTOR_NONE, + GR_COMBINE_FUNCTION_NONE, + GR_COMBINE_FACTOR_NONE, + FXFALSE, FXFALSE); + grTexCombine (GR_TMU0, + GR_COMBINE_FUNCTION_LOCAL, + GR_COMBINE_FACTOR_NONE, + GR_COMBINE_FUNCTION_LOCAL, + GR_COMBINE_FACTOR_NONE, + FXFALSE, FXFALSE); + grTexSource(GR_TMU0, + voodoo.tex_min_addr[GR_TMU0] + offset_font, + GR_MIPMAPLEVELMASK_BOTH, + &fontTex); + grFogMode (GR_FOG_DISABLE); +} +