1555 lines
60 KiB
C
1555 lines
60 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* 3DFX Voodoo emulation.
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*
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*
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*
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* Authors: Sarah Walker, <https://pcem-emulator.co.uk/>
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*
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* Copyright 2008-2020 Sarah Walker.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <wchar.h>
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#include <math.h>
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#define HAVE_STDARG_H
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#include <86box/86box.h>
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#include "cpu.h"
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#include <86box/machine.h>
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#include <86box/device.h>
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#include <86box/mem.h>
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#include <86box/timer.h>
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#include <86box/device.h>
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#include <86box/plat.h>
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#include <86box/thread.h>
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#include <86box/video.h>
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#include <86box/vid_svga.h>
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#include <86box/vid_voodoo_common.h>
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#include <86box/vid_voodoo_dither.h>
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#include <86box/vid_voodoo_regs.h>
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#include <86box/vid_voodoo_render.h>
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#include <86box/vid_voodoo_texture.h>
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typedef struct voodoo_state_t {
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int xstart, xend, xdir;
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uint32_t base_r, base_g, base_b, base_a, base_z;
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struct
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{
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int64_t base_s, base_t, base_w;
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int lod;
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} tmu[2];
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int64_t base_w;
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int lod;
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int lod_min[2], lod_max[2];
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int dx1, dx2;
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int y, yend, ydir;
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int32_t dxAB, dxAC, dxBC;
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int tex_b[2], tex_g[2], tex_r[2], tex_a[2];
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int tex_s, tex_t;
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int clamp_s[2], clamp_t[2];
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int32_t vertexAx, vertexAy, vertexBx, vertexBy, vertexCx, vertexCy;
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uint32_t *tex[2][LOD_MAX + 1];
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int tformat;
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int *tex_w_mask[2];
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int *tex_h_mask[2];
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int *tex_shift[2];
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int *tex_lod[2];
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uint16_t *fb_mem, *aux_mem;
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int32_t ib, ig, ir, ia;
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int32_t z;
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int32_t new_depth;
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int64_t tmu0_s, tmu0_t;
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int64_t tmu0_w;
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int64_t tmu1_s, tmu1_t;
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int64_t tmu1_w;
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int64_t w;
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int pixel_count, texel_count;
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int x, x2, x_tiled;
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uint32_t w_depth;
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float log_temp;
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uint32_t ebp_store;
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uint32_t texBaseAddr;
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int lod_frac[2];
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} voodoo_state_t;
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#ifdef ENABLE_VOODOO_RENDER_LOG
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int voodoo_render_do_log = ENABLE_VOODOO_RENDER_LOG;
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static void
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voodoo_render_log(const char *fmt, ...)
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{
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va_list ap;
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if (voodoo_render_do_log) {
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va_start(ap, fmt);
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pclog_ex(fmt, ap);
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va_end(ap);
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}
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}
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#else
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# define voodoo_render_log(fmt, ...)
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#endif
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static uint8_t logtable[256] = {
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0x00, 0x01, 0x02, 0x04, 0x05, 0x07, 0x08, 0x09, 0x0b, 0x0c, 0x0e, 0x0f, 0x10, 0x12, 0x13, 0x15,
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0x16, 0x17, 0x19, 0x1a, 0x1b, 0x1d, 0x1e, 0x1f, 0x21, 0x22, 0x23, 0x25, 0x26, 0x27, 0x28, 0x2a,
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0x2b, 0x2c, 0x2e, 0x2f, 0x30, 0x31, 0x33, 0x34, 0x35, 0x36, 0x38, 0x39, 0x3a, 0x3b, 0x3d, 0x3e,
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0x3f, 0x40, 0x41, 0x43, 0x44, 0x45, 0x46, 0x47, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x50, 0x51,
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0x52, 0x53, 0x54, 0x55, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x60, 0x61, 0x62, 0x63,
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0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74,
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0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x83, 0x84, 0x85,
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0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
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0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa2, 0xa3,
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0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2,
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0xb3, 0xb4, 0xb5, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0,
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0xc1, 0xc2, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xcd,
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0xce, 0xcf, 0xd0, 0xd1, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xda,
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0xdb, 0xdc, 0xdd, 0xde, 0xde, 0xdf, 0xe0, 0xe1, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe5, 0xe6, 0xe7,
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0xe8, 0xe8, 0xe9, 0xea, 0xeb, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xef, 0xf0, 0xf1, 0xf2, 0xf2, 0xf3,
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0xf4, 0xf5, 0xf5, 0xf6, 0xf7, 0xf7, 0xf8, 0xf9, 0xfa, 0xfa, 0xfb, 0xfc, 0xfd, 0xfd, 0xfe, 0xff
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};
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static __inline int
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fastlog(uint64_t val)
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{
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uint64_t oldval = val;
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int exp = 63;
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int frac;
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if (!val || val & (1ULL << 63))
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return 0x80000000;
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if (!(val & 0xffffffff00000000)) {
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exp -= 32;
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val <<= 32;
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}
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if (!(val & 0xffff000000000000)) {
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exp -= 16;
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val <<= 16;
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}
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if (!(val & 0xff00000000000000)) {
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exp -= 8;
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val <<= 8;
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}
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if (!(val & 0xf000000000000000)) {
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exp -= 4;
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val <<= 4;
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}
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if (!(val & 0xc000000000000000)) {
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exp -= 2;
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val <<= 2;
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}
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if (!(val & 0x8000000000000000)) {
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exp -= 1;
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val <<= 1;
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}
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if (exp >= 8)
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frac = (oldval >> (exp - 8)) & 0xff;
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else
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frac = (oldval << (8 - exp)) & 0xff;
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return (exp << 8) | logtable[frac];
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}
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static inline int
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voodoo_fls(uint16_t val)
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{
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int num = 0;
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// voodoo_render_log("fls(%04x) = ", val);
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if (!(val & 0xff00)) {
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num += 8;
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val <<= 8;
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}
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if (!(val & 0xf000)) {
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num += 4;
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val <<= 4;
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}
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if (!(val & 0xc000)) {
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num += 2;
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val <<= 2;
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}
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if (!(val & 0x8000)) {
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num += 1;
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val <<= 1;
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}
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// voodoo_render_log("%i %04x\n", num, val);
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return num;
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}
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typedef struct voodoo_texture_state_t {
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int s, t;
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int w_mask, h_mask;
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int tex_shift;
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} voodoo_texture_state_t;
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static inline void
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tex_read(voodoo_state_t *state, voodoo_texture_state_t *texture_state, int tmu)
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{
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uint32_t dat;
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if (texture_state->s & ~texture_state->w_mask) {
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if (state->clamp_s[tmu]) {
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if (texture_state->s < 0)
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texture_state->s = 0;
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if (texture_state->s > texture_state->w_mask)
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texture_state->s = texture_state->w_mask;
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} else
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texture_state->s &= texture_state->w_mask;
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}
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if (texture_state->t & ~texture_state->h_mask) {
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if (state->clamp_t[tmu]) {
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if (texture_state->t < 0)
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texture_state->t = 0;
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if (texture_state->t > texture_state->h_mask)
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texture_state->t = texture_state->h_mask;
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} else
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texture_state->t &= texture_state->h_mask;
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}
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dat = state->tex[tmu][state->lod][texture_state->s + (texture_state->t << texture_state->tex_shift)];
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state->tex_b[tmu] = dat & 0xff;
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state->tex_g[tmu] = (dat >> 8) & 0xff;
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state->tex_r[tmu] = (dat >> 16) & 0xff;
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state->tex_a[tmu] = (dat >> 24) & 0xff;
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}
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#define LOW4(x) ((x & 0x0f) | ((x & 0x0f) << 4))
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#define HIGH4(x) ((x & 0xf0) | ((x & 0xf0) >> 4))
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static inline void
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tex_read_4(voodoo_state_t *state, voodoo_texture_state_t *texture_state, int s, int t, int *d, int tmu, int x)
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{
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rgba_u dat[4];
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if (((s | (s + 1)) & ~texture_state->w_mask) || ((t | (t + 1)) & ~texture_state->h_mask)) {
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int c;
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for (c = 0; c < 4; c++) {
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int _s = s + (c & 1);
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int _t = t + ((c & 2) >> 1);
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if (_s & ~texture_state->w_mask) {
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if (state->clamp_s[tmu]) {
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if (_s < 0)
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_s = 0;
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if (_s > texture_state->w_mask)
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_s = texture_state->w_mask;
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} else
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_s &= texture_state->w_mask;
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}
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if (_t & ~texture_state->h_mask) {
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if (state->clamp_t[tmu]) {
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if (_t < 0)
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_t = 0;
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if (_t > texture_state->h_mask)
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_t = texture_state->h_mask;
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} else
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_t &= texture_state->h_mask;
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}
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dat[c].u = state->tex[tmu][state->lod][_s + (_t << texture_state->tex_shift)];
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}
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} else {
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dat[0].u = state->tex[tmu][state->lod][s + (t << texture_state->tex_shift)];
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dat[1].u = state->tex[tmu][state->lod][s + 1 + (t << texture_state->tex_shift)];
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dat[2].u = state->tex[tmu][state->lod][s + ((t + 1) << texture_state->tex_shift)];
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dat[3].u = state->tex[tmu][state->lod][s + 1 + ((t + 1) << texture_state->tex_shift)];
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}
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state->tex_r[tmu] = (dat[0].rgba.r * d[0] + dat[1].rgba.r * d[1] + dat[2].rgba.r * d[2] + dat[3].rgba.r * d[3]) >> 8;
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state->tex_g[tmu] = (dat[0].rgba.g * d[0] + dat[1].rgba.g * d[1] + dat[2].rgba.g * d[2] + dat[3].rgba.g * d[3]) >> 8;
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state->tex_b[tmu] = (dat[0].rgba.b * d[0] + dat[1].rgba.b * d[1] + dat[2].rgba.b * d[2] + dat[3].rgba.b * d[3]) >> 8;
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state->tex_a[tmu] = (dat[0].rgba.a * d[0] + dat[1].rgba.a * d[1] + dat[2].rgba.a * d[2] + dat[3].rgba.a * d[3]) >> 8;
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}
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static inline void
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voodoo_get_texture(voodoo_t *voodoo, voodoo_params_t *params, voodoo_state_t *state, int tmu, int x)
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{
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voodoo_texture_state_t texture_state;
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int d[4];
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int s, t;
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int tex_lod = state->tex_lod[tmu][state->lod];
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texture_state.w_mask = state->tex_w_mask[tmu][state->lod];
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texture_state.h_mask = state->tex_h_mask[tmu][state->lod];
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texture_state.tex_shift = 8 - tex_lod;
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if (params->tLOD[tmu] & LOD_TMIRROR_S) {
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if (state->tex_s & 0x1000)
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state->tex_s = ~state->tex_s;
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}
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if (params->tLOD[tmu] & LOD_TMIRROR_T) {
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if (state->tex_t & 0x1000)
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state->tex_t = ~state->tex_t;
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}
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if (voodoo->bilinear_enabled && params->textureMode[tmu] & 6) {
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int _ds, dt;
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state->tex_s -= 1 << (3 + tex_lod);
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state->tex_t -= 1 << (3 + tex_lod);
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s = state->tex_s >> tex_lod;
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t = state->tex_t >> tex_lod;
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_ds = s & 0xf;
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dt = t & 0xf;
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s >>= 4;
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t >>= 4;
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// if (x == 80)
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// if (voodoo_output)
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// voodoo_render_log("s=%08x t=%08x _ds=%02x _dt=%02x\n", s, t, _ds, dt);
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d[0] = (16 - _ds) * (16 - dt);
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d[1] = _ds * (16 - dt);
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d[2] = (16 - _ds) * dt;
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d[3] = _ds * dt;
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// texture_state.s = s;
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// texture_state.t = t;
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tex_read_4(state, &texture_state, s, t, d, tmu, x);
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/* state->tex_r = (tex_samples[0].rgba.r * d[0] + tex_samples[1].rgba.r * d[1] + tex_samples[2].rgba.r * d[2] + tex_samples[3].rgba.r * d[3]) >> 8;
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state->tex_g = (tex_samples[0].rgba.g * d[0] + tex_samples[1].rgba.g * d[1] + tex_samples[2].rgba.g * d[2] + tex_samples[3].rgba.g * d[3]) >> 8;
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state->tex_b = (tex_samples[0].rgba.b * d[0] + tex_samples[1].rgba.b * d[1] + tex_samples[2].rgba.b * d[2] + tex_samples[3].rgba.b * d[3]) >> 8;
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state->tex_a = (tex_samples[0].rgba.a * d[0] + tex_samples[1].rgba.a * d[1] + tex_samples[2].rgba.a * d[2] + tex_samples[3].rgba.a * d[3]) >> 8;*/
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/* state->tex_r = tex_samples[0].r;
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state->tex_g = tex_samples[0].g;
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state->tex_b = tex_samples[0].b;
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state->tex_a = tex_samples[0].a;*/
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} else {
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// rgba_t tex_samples;
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// voodoo_texture_state_t texture_state;
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// int s = state->tex_s >> (18+state->lod);
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// int t = state->tex_t >> (18+state->lod);
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// int s, t;
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// state->tex_s -= 1 << (17+state->lod);
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// state->tex_t -= 1 << (17+state->lod);
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s = state->tex_s >> (4 + tex_lod);
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t = state->tex_t >> (4 + tex_lod);
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texture_state.s = s;
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texture_state.t = t;
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tex_read(state, &texture_state, tmu);
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/* state->tex_r = tex_samples[0].rgba.r;
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state->tex_g = tex_samples[0].rgba.g;
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state->tex_b = tex_samples[0].rgba.b;
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state->tex_a = tex_samples[0].rgba.a;*/
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}
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}
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static inline void
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voodoo_tmu_fetch(voodoo_t *voodoo, voodoo_params_t *params, voodoo_state_t *state, int tmu, int x)
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{
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if (params->textureMode[tmu] & 1) {
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int64_t _w = 0;
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if (tmu) {
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if (state->tmu1_w)
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_w = (int64_t) ((1ULL << 48) / state->tmu1_w);
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state->tex_s = (int32_t) (((((state->tmu1_s + (1 << 13)) >> 14) * _w) + (1 << 29)) >> 30);
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state->tex_t = (int32_t) (((((state->tmu1_t + (1 << 13)) >> 14) * _w) + (1 << 29)) >> 30);
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} else {
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if (state->tmu0_w)
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_w = (int64_t) ((1ULL << 48) / state->tmu0_w);
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state->tex_s = (int32_t) (((((state->tmu0_s + (1 << 13)) >> 14) * _w) + (1 << 29)) >> 30);
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state->tex_t = (int32_t) (((((state->tmu0_t + (1 << 13)) >> 14) * _w) + (1 << 29)) >> 30);
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}
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state->lod = state->tmu[tmu].lod + (fastlog(_w) - (19 << 8));
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} else {
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if (tmu) {
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state->tex_s = (int32_t) (state->tmu1_s >> (14 + 14));
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state->tex_t = (int32_t) (state->tmu1_t >> (14 + 14));
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} else {
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state->tex_s = (int32_t) (state->tmu0_s >> (14 + 14));
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state->tex_t = (int32_t) (state->tmu0_t >> (14 + 14));
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}
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state->lod = state->tmu[tmu].lod;
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}
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if (state->lod < state->lod_min[tmu])
|
|
state->lod = state->lod_min[tmu];
|
|
else if (state->lod > state->lod_max[tmu])
|
|
state->lod = state->lod_max[tmu];
|
|
state->lod_frac[tmu] = state->lod & 0xff;
|
|
state->lod >>= 8;
|
|
|
|
voodoo_get_texture(voodoo, params, state, tmu, x);
|
|
}
|
|
|
|
/*Perform texture fetch and blending for both TMUs*/
|
|
static inline void
|
|
voodoo_tmu_fetch_and_blend(voodoo_t *voodoo, voodoo_params_t *params, voodoo_state_t *state, int x)
|
|
{
|
|
int r, g, b, a;
|
|
int c_reverse, a_reverse;
|
|
// int c_reverse1, a_reverse1;
|
|
int factor_r = 0, factor_g = 0, factor_b = 0, factor_a = 0;
|
|
|
|
voodoo_tmu_fetch(voodoo, params, state, 1, x);
|
|
|
|
if ((params->textureMode[1] & TEXTUREMODE_TRILINEAR) && (state->lod & 1)) {
|
|
c_reverse = tc_reverse_blend;
|
|
a_reverse = tca_reverse_blend;
|
|
} else {
|
|
c_reverse = !tc_reverse_blend;
|
|
a_reverse = !tca_reverse_blend;
|
|
}
|
|
/* c_reverse1 = c_reverse;
|
|
a_reverse1 = a_reverse;*/
|
|
if (tc_sub_clocal_1) {
|
|
switch (tc_mselect_1) {
|
|
case TC_MSELECT_ZERO:
|
|
factor_r = factor_g = factor_b = 0;
|
|
break;
|
|
case TC_MSELECT_CLOCAL:
|
|
factor_r = state->tex_r[1];
|
|
factor_g = state->tex_g[1];
|
|
factor_b = state->tex_b[1];
|
|
break;
|
|
case TC_MSELECT_AOTHER:
|
|
factor_r = factor_g = factor_b = 0;
|
|
break;
|
|
case TC_MSELECT_ALOCAL:
|
|
factor_r = factor_g = factor_b = state->tex_a[1];
|
|
break;
|
|
case TC_MSELECT_DETAIL:
|
|
factor_r = (params->detail_bias[1] - state->lod) << params->detail_scale[1];
|
|
if (factor_r > params->detail_max[1])
|
|
factor_r = params->detail_max[1];
|
|
factor_g = factor_b = factor_r;
|
|
break;
|
|
case TC_MSELECT_LOD_FRAC:
|
|
factor_r = factor_g = factor_b = state->lod_frac[1];
|
|
break;
|
|
}
|
|
if (!c_reverse) {
|
|
r = (-state->tex_r[1] * (factor_r + 1)) >> 8;
|
|
g = (-state->tex_g[1] * (factor_g + 1)) >> 8;
|
|
b = (-state->tex_b[1] * (factor_b + 1)) >> 8;
|
|
} else {
|
|
r = (-state->tex_r[1] * ((factor_r ^ 0xff) + 1)) >> 8;
|
|
g = (-state->tex_g[1] * ((factor_g ^ 0xff) + 1)) >> 8;
|
|
b = (-state->tex_b[1] * ((factor_b ^ 0xff) + 1)) >> 8;
|
|
}
|
|
if (tc_add_clocal_1) {
|
|
r += state->tex_r[1];
|
|
g += state->tex_g[1];
|
|
b += state->tex_b[1];
|
|
} else if (tc_add_alocal_1) {
|
|
r += state->tex_a[1];
|
|
g += state->tex_a[1];
|
|
b += state->tex_a[1];
|
|
}
|
|
state->tex_r[1] = CLAMP(r);
|
|
state->tex_g[1] = CLAMP(g);
|
|
state->tex_b[1] = CLAMP(b);
|
|
}
|
|
if (tca_sub_clocal_1) {
|
|
switch (tca_mselect_1) {
|
|
case TCA_MSELECT_ZERO:
|
|
factor_a = 0;
|
|
break;
|
|
case TCA_MSELECT_CLOCAL:
|
|
factor_a = state->tex_a[1];
|
|
break;
|
|
case TCA_MSELECT_AOTHER:
|
|
factor_a = 0;
|
|
break;
|
|
case TCA_MSELECT_ALOCAL:
|
|
factor_a = state->tex_a[1];
|
|
break;
|
|
case TCA_MSELECT_DETAIL:
|
|
factor_a = (params->detail_bias[1] - state->lod) << params->detail_scale[1];
|
|
if (factor_a > params->detail_max[1])
|
|
factor_a = params->detail_max[1];
|
|
break;
|
|
case TCA_MSELECT_LOD_FRAC:
|
|
factor_a = state->lod_frac[1];
|
|
break;
|
|
}
|
|
if (!a_reverse)
|
|
a = (-state->tex_a[1] * ((factor_a ^ 0xff) + 1)) >> 8;
|
|
else
|
|
a = (-state->tex_a[1] * (factor_a + 1)) >> 8;
|
|
if (tca_add_clocal_1 || tca_add_alocal_1)
|
|
a += state->tex_a[1];
|
|
state->tex_a[1] = CLAMP(a);
|
|
}
|
|
|
|
voodoo_tmu_fetch(voodoo, params, state, 0, x);
|
|
|
|
if ((params->textureMode[0] & TEXTUREMODE_TRILINEAR) && (state->lod & 1)) {
|
|
c_reverse = tc_reverse_blend;
|
|
a_reverse = tca_reverse_blend;
|
|
} else {
|
|
c_reverse = !tc_reverse_blend;
|
|
a_reverse = !tca_reverse_blend;
|
|
}
|
|
|
|
if (!tc_zero_other) {
|
|
r = state->tex_r[1];
|
|
g = state->tex_g[1];
|
|
b = state->tex_b[1];
|
|
} else
|
|
r = g = b = 0;
|
|
if (tc_sub_clocal) {
|
|
r -= state->tex_r[0];
|
|
g -= state->tex_g[0];
|
|
b -= state->tex_b[0];
|
|
}
|
|
switch (tc_mselect) {
|
|
case TC_MSELECT_ZERO:
|
|
factor_r = factor_g = factor_b = 0;
|
|
break;
|
|
case TC_MSELECT_CLOCAL:
|
|
factor_r = state->tex_r[0];
|
|
factor_g = state->tex_g[0];
|
|
factor_b = state->tex_b[0];
|
|
break;
|
|
case TC_MSELECT_AOTHER:
|
|
factor_r = factor_g = factor_b = state->tex_a[1];
|
|
break;
|
|
case TC_MSELECT_ALOCAL:
|
|
factor_r = factor_g = factor_b = state->tex_a[0];
|
|
break;
|
|
case TC_MSELECT_DETAIL:
|
|
factor_r = (params->detail_bias[0] - state->lod) << params->detail_scale[0];
|
|
if (factor_r > params->detail_max[0])
|
|
factor_r = params->detail_max[0];
|
|
factor_g = factor_b = factor_r;
|
|
break;
|
|
case TC_MSELECT_LOD_FRAC:
|
|
factor_r = factor_g = factor_b = state->lod_frac[0];
|
|
break;
|
|
}
|
|
if (!c_reverse) {
|
|
r = (r * (factor_r + 1)) >> 8;
|
|
g = (g * (factor_g + 1)) >> 8;
|
|
b = (b * (factor_b + 1)) >> 8;
|
|
} else {
|
|
r = (r * ((factor_r ^ 0xff) + 1)) >> 8;
|
|
g = (g * ((factor_g ^ 0xff) + 1)) >> 8;
|
|
b = (b * ((factor_b ^ 0xff) + 1)) >> 8;
|
|
}
|
|
if (tc_add_clocal) {
|
|
r += state->tex_r[0];
|
|
g += state->tex_g[0];
|
|
b += state->tex_b[0];
|
|
} else if (tc_add_alocal) {
|
|
r += state->tex_a[0];
|
|
g += state->tex_a[0];
|
|
b += state->tex_a[0];
|
|
}
|
|
|
|
if (!tca_zero_other)
|
|
a = state->tex_a[1];
|
|
else
|
|
a = 0;
|
|
if (tca_sub_clocal)
|
|
a -= state->tex_a[0];
|
|
switch (tca_mselect) {
|
|
case TCA_MSELECT_ZERO:
|
|
factor_a = 0;
|
|
break;
|
|
case TCA_MSELECT_CLOCAL:
|
|
factor_a = state->tex_a[0];
|
|
break;
|
|
case TCA_MSELECT_AOTHER:
|
|
factor_a = state->tex_a[1];
|
|
break;
|
|
case TCA_MSELECT_ALOCAL:
|
|
factor_a = state->tex_a[0];
|
|
break;
|
|
case TCA_MSELECT_DETAIL:
|
|
factor_a = (params->detail_bias[0] - state->lod) << params->detail_scale[0];
|
|
if (factor_a > params->detail_max[0])
|
|
factor_a = params->detail_max[0];
|
|
break;
|
|
case TCA_MSELECT_LOD_FRAC:
|
|
factor_a = state->lod_frac[0];
|
|
break;
|
|
}
|
|
if (a_reverse)
|
|
a = (a * ((factor_a ^ 0xff) + 1)) >> 8;
|
|
else
|
|
a = (a * (factor_a + 1)) >> 8;
|
|
if (tca_add_clocal || tca_add_alocal)
|
|
a += state->tex_a[0];
|
|
|
|
state->tex_r[0] = CLAMP(r);
|
|
state->tex_g[0] = CLAMP(g);
|
|
state->tex_b[0] = CLAMP(b);
|
|
state->tex_a[0] = CLAMP(a);
|
|
|
|
if (tc_invert_output) {
|
|
state->tex_r[0] ^= 0xff;
|
|
state->tex_g[0] ^= 0xff;
|
|
state->tex_b[0] ^= 0xff;
|
|
}
|
|
if (tca_invert_output)
|
|
state->tex_a[0] ^= 0xff;
|
|
}
|
|
|
|
#if (defined i386 || defined __i386 || defined __i386__ || defined _X86_ || defined _M_IX86) && !(defined __amd64__ || defined _M_X64)
|
|
# include <86box/vid_voodoo_codegen_x86.h>
|
|
#elif (defined __amd64__ || defined _M_X64)
|
|
# include <86box/vid_voodoo_codegen_x86-64.h>
|
|
#else
|
|
int voodoo_recomp = 0;
|
|
#endif
|
|
|
|
static void
|
|
voodoo_half_triangle(voodoo_t *voodoo, voodoo_params_t *params, voodoo_state_t *state, int ystart, int yend, int odd_even)
|
|
{
|
|
/* int rgb_sel = params->fbzColorPath & 3;
|
|
int a_sel = (params->fbzColorPath >> 2) & 3;
|
|
int cc_localselect = params->fbzColorPath & (1 << 4);
|
|
int cca_localselect = (params->fbzColorPath >> 5) & 3;
|
|
int cc_localselect_override = params->fbzColorPath & (1 << 7);
|
|
int cc_zero_other = params->fbzColorPath & (1 << 8);
|
|
int cc_sub_clocal = params->fbzColorPath & (1 << 9);
|
|
int cc_mselect = (params->fbzColorPath >> 10) & 7;
|
|
int cc_reverse_blend = params->fbzColorPath & (1 << 13);
|
|
int cc_add = (params->fbzColorPath >> 14) & 3;
|
|
int cc_add_alocal = params->fbzColorPath & (1 << 15);
|
|
int cc_invert_output = params->fbzColorPath & (1 << 16);
|
|
int cca_zero_other = params->fbzColorPath & (1 << 17);
|
|
int cca_sub_clocal = params->fbzColorPath & (1 << 18);
|
|
int cca_mselect = (params->fbzColorPath >> 19) & 7;
|
|
int cca_reverse_blend = params->fbzColorPath & (1 << 22);
|
|
int cca_add = (params->fbzColorPath >> 23) & 3;
|
|
int cca_invert_output = params->fbzColorPath & (1 << 25);
|
|
int src_afunc = (params->alphaMode >> 8) & 0xf;
|
|
int dest_afunc = (params->alphaMode >> 12) & 0xf;
|
|
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;*/
|
|
int texels;
|
|
int c;
|
|
#ifndef NO_CODEGEN
|
|
uint8_t (*voodoo_draw)(voodoo_state_t * state, voodoo_params_t * params, int x, int real_y);
|
|
#endif
|
|
int y_diff = SLI_ENABLED ? 2 : 1;
|
|
int y_origin = (voodoo->type >= VOODOO_BANSHEE) ? voodoo->y_origin_swap : (voodoo->v_disp - 1);
|
|
|
|
if ((params->textureMode[0] & TEXTUREMODE_MASK) == TEXTUREMODE_PASSTHROUGH || (params->textureMode[0] & TEXTUREMODE_LOCAL_MASK) == TEXTUREMODE_LOCAL)
|
|
texels = 1;
|
|
else
|
|
texels = 2;
|
|
|
|
state->clamp_s[0] = params->textureMode[0] & TEXTUREMODE_TCLAMPS;
|
|
state->clamp_t[0] = params->textureMode[0] & TEXTUREMODE_TCLAMPT;
|
|
state->clamp_s[1] = params->textureMode[1] & TEXTUREMODE_TCLAMPS;
|
|
state->clamp_t[1] = params->textureMode[1] & TEXTUREMODE_TCLAMPT;
|
|
// int last_x;
|
|
// voodoo_render_log("voodoo_triangle : bottom-half %X %X %X %X %X %i %i %i %i\n", xstart, xend, dx1, dx2, dx2 * 36, xdir, y, yend, ydir);
|
|
|
|
for (c = 0; c <= LOD_MAX; c++) {
|
|
state->tex[0][c] = &voodoo->texture_cache[0][params->tex_entry[0]].data[texture_offset[c]];
|
|
state->tex[1][c] = &voodoo->texture_cache[1][params->tex_entry[1]].data[texture_offset[c]];
|
|
}
|
|
|
|
state->tformat = params->tformat[0];
|
|
|
|
state->tex_w_mask[0] = params->tex_w_mask[0];
|
|
state->tex_h_mask[0] = params->tex_h_mask[0];
|
|
state->tex_shift[0] = params->tex_shift[0];
|
|
state->tex_lod[0] = params->tex_lod[0];
|
|
state->tex_w_mask[1] = params->tex_w_mask[1];
|
|
state->tex_h_mask[1] = params->tex_h_mask[1];
|
|
state->tex_shift[1] = params->tex_shift[1];
|
|
state->tex_lod[1] = params->tex_lod[1];
|
|
|
|
if ((params->fbzMode & 1) && (ystart < params->clipLowY)) {
|
|
int dy = params->clipLowY - ystart;
|
|
|
|
state->base_r += params->dRdY * dy;
|
|
state->base_g += params->dGdY * dy;
|
|
state->base_b += params->dBdY * dy;
|
|
state->base_a += params->dAdY * dy;
|
|
state->base_z += params->dZdY * dy;
|
|
state->tmu[0].base_s += params->tmu[0].dSdY * dy;
|
|
state->tmu[0].base_t += params->tmu[0].dTdY * dy;
|
|
state->tmu[0].base_w += params->tmu[0].dWdY * dy;
|
|
state->tmu[1].base_s += params->tmu[1].dSdY * dy;
|
|
state->tmu[1].base_t += params->tmu[1].dTdY * dy;
|
|
state->tmu[1].base_w += params->tmu[1].dWdY * dy;
|
|
state->base_w += params->dWdY * dy;
|
|
state->xstart += state->dx1 * dy;
|
|
state->xend += state->dx2 * dy;
|
|
|
|
ystart = params->clipLowY;
|
|
}
|
|
|
|
if ((params->fbzMode & 1) && (yend >= params->clipHighY))
|
|
yend = params->clipHighY;
|
|
|
|
state->y = ystart;
|
|
// yend--;
|
|
|
|
if (SLI_ENABLED) {
|
|
int test_y;
|
|
|
|
if (params->fbzMode & (1 << 17))
|
|
test_y = y_origin - state->y;
|
|
else
|
|
test_y = state->y;
|
|
|
|
if ((!(voodoo->initEnable & INITENABLE_SLI_MASTER_SLAVE) && (test_y & 1)) || ((voodoo->initEnable & INITENABLE_SLI_MASTER_SLAVE) && !(test_y & 1))) {
|
|
state->y++;
|
|
|
|
state->base_r += params->dRdY;
|
|
state->base_g += params->dGdY;
|
|
state->base_b += params->dBdY;
|
|
state->base_a += params->dAdY;
|
|
state->base_z += params->dZdY;
|
|
state->tmu[0].base_s += params->tmu[0].dSdY;
|
|
state->tmu[0].base_t += params->tmu[0].dTdY;
|
|
state->tmu[0].base_w += params->tmu[0].dWdY;
|
|
state->tmu[1].base_s += params->tmu[1].dSdY;
|
|
state->tmu[1].base_t += params->tmu[1].dTdY;
|
|
state->tmu[1].base_w += params->tmu[1].dWdY;
|
|
state->base_w += params->dWdY;
|
|
state->xstart += state->dx1;
|
|
state->xend += state->dx2;
|
|
}
|
|
}
|
|
#ifndef NO_CODEGEN
|
|
if (voodoo->use_recompiler)
|
|
voodoo_draw = voodoo_get_block(voodoo, params, state, odd_even);
|
|
else
|
|
voodoo_draw = NULL;
|
|
#endif
|
|
|
|
voodoo_render_log("dxAB=%08x dxBC=%08x dxAC=%08x\n", state->dxAB, state->dxBC, state->dxAC);
|
|
// voodoo_render_log("Start %i %i\n", ystart, voodoo->fbzMode & (1 << 17));
|
|
|
|
for (; state->y < yend; state->y += y_diff) {
|
|
int x, x2;
|
|
int real_y = (state->y << 4) + 8;
|
|
int start_x;
|
|
int dx;
|
|
uint16_t *fb_mem, *aux_mem;
|
|
|
|
state->ir = state->base_r;
|
|
state->ig = state->base_g;
|
|
state->ib = state->base_b;
|
|
state->ia = state->base_a;
|
|
state->z = state->base_z;
|
|
state->tmu0_s = state->tmu[0].base_s;
|
|
state->tmu0_t = state->tmu[0].base_t;
|
|
state->tmu0_w = state->tmu[0].base_w;
|
|
state->tmu1_s = state->tmu[1].base_s;
|
|
state->tmu1_t = state->tmu[1].base_t;
|
|
state->tmu1_w = state->tmu[1].base_w;
|
|
state->w = state->base_w;
|
|
|
|
x = (state->vertexAx << 12) + ((state->dxAC * (real_y - state->vertexAy)) >> 4);
|
|
|
|
if (real_y < state->vertexBy)
|
|
x2 = (state->vertexAx << 12) + ((state->dxAB * (real_y - state->vertexAy)) >> 4);
|
|
else
|
|
x2 = (state->vertexBx << 12) + ((state->dxBC * (real_y - state->vertexBy)) >> 4);
|
|
|
|
if (params->fbzMode & (1 << 17))
|
|
real_y = y_origin - (real_y >> 4);
|
|
else
|
|
real_y >>= 4;
|
|
|
|
if (SLI_ENABLED) {
|
|
if (((real_y >> 1) & voodoo->odd_even_mask) != odd_even)
|
|
goto next_line;
|
|
} else {
|
|
if ((real_y & voodoo->odd_even_mask) != odd_even)
|
|
goto next_line;
|
|
}
|
|
|
|
start_x = x;
|
|
|
|
if (state->xdir > 0)
|
|
x2 -= (1 << 16);
|
|
else
|
|
x -= (1 << 16);
|
|
dx = ((x + 0x7000) >> 16) - (((state->vertexAx << 12) + 0x7000) >> 16);
|
|
x = (x + 0x7000) >> 16;
|
|
x2 = (x2 + 0x7000) >> 16;
|
|
|
|
voodoo_render_log("%03i:%03i : Ax=%08x start_x=%08x dSdX=%016llx dx=%08x s=%08x -> ", x, state->y, state->vertexAx << 8, start_x, params->tmu[0].dTdX, dx, state->tmu0_t);
|
|
|
|
state->ir += (params->dRdX * dx);
|
|
state->ig += (params->dGdX * dx);
|
|
state->ib += (params->dBdX * dx);
|
|
state->ia += (params->dAdX * dx);
|
|
state->z += (params->dZdX * dx);
|
|
state->tmu0_s += (params->tmu[0].dSdX * dx);
|
|
state->tmu0_t += (params->tmu[0].dTdX * dx);
|
|
state->tmu0_w += (params->tmu[0].dWdX * dx);
|
|
state->tmu1_s += (params->tmu[1].dSdX * dx);
|
|
state->tmu1_t += (params->tmu[1].dTdX * dx);
|
|
state->tmu1_w += (params->tmu[1].dWdX * dx);
|
|
state->w += (params->dWdX * dx);
|
|
|
|
voodoo_render_log("%08llx %lli %lli\n", state->tmu0_t, state->tmu0_t >> (18 + state->lod), (state->tmu0_t + (1 << (17 + state->lod))) >> (18 + state->lod));
|
|
|
|
if (params->fbzMode & 1) {
|
|
if (state->xdir > 0) {
|
|
if (x < params->clipLeft) {
|
|
int dx = params->clipLeft - x;
|
|
|
|
state->ir += params->dRdX * dx;
|
|
state->ig += params->dGdX * dx;
|
|
state->ib += params->dBdX * dx;
|
|
state->ia += params->dAdX * dx;
|
|
state->z += params->dZdX * dx;
|
|
state->tmu0_s += params->tmu[0].dSdX * dx;
|
|
state->tmu0_t += params->tmu[0].dTdX * dx;
|
|
state->tmu0_w += params->tmu[0].dWdX * dx;
|
|
state->tmu1_s += params->tmu[1].dSdX * dx;
|
|
state->tmu1_t += params->tmu[1].dTdX * dx;
|
|
state->tmu1_w += params->tmu[1].dWdX * dx;
|
|
state->w += params->dWdX * dx;
|
|
|
|
x = params->clipLeft;
|
|
}
|
|
if (x2 >= params->clipRight)
|
|
x2 = params->clipRight - 1;
|
|
} else {
|
|
if (x >= params->clipRight) {
|
|
int dx = (params->clipRight - 1) - x;
|
|
|
|
state->ir += params->dRdX * dx;
|
|
state->ig += params->dGdX * dx;
|
|
state->ib += params->dBdX * dx;
|
|
state->ia += params->dAdX * dx;
|
|
state->z += params->dZdX * dx;
|
|
state->tmu0_s += params->tmu[0].dSdX * dx;
|
|
state->tmu0_t += params->tmu[0].dTdX * dx;
|
|
state->tmu0_w += params->tmu[0].dWdX * dx;
|
|
state->tmu1_s += params->tmu[1].dSdX * dx;
|
|
state->tmu1_t += params->tmu[1].dTdX * dx;
|
|
state->tmu1_w += params->tmu[1].dWdX * dx;
|
|
state->w += params->dWdX * dx;
|
|
|
|
x = params->clipRight - 1;
|
|
}
|
|
if (x2 < params->clipLeft)
|
|
x2 = params->clipLeft;
|
|
}
|
|
}
|
|
|
|
if (x2 < x && state->xdir > 0)
|
|
goto next_line;
|
|
if (x2 > x && state->xdir < 0)
|
|
goto next_line;
|
|
|
|
if (SLI_ENABLED) {
|
|
state->fb_mem = fb_mem = (uint16_t *) &voodoo->fb_mem[params->draw_offset + ((real_y >> 1) * params->row_width)];
|
|
state->aux_mem = aux_mem = (uint16_t *) &voodoo->fb_mem[(params->aux_offset + ((real_y >> 1) * params->row_width)) & voodoo->fb_mask];
|
|
} else {
|
|
if (params->col_tiled)
|
|
state->fb_mem = fb_mem = (uint16_t *) &voodoo->fb_mem[params->draw_offset + (real_y >> 5) * params->row_width + (real_y & 31) * 128];
|
|
else
|
|
state->fb_mem = fb_mem = (uint16_t *) &voodoo->fb_mem[params->draw_offset + (real_y * params->row_width)];
|
|
if (params->aux_tiled)
|
|
state->aux_mem = aux_mem = (uint16_t *) &voodoo->fb_mem[(params->aux_offset + (real_y >> 5) * params->aux_row_width + (real_y & 31) * 128) & voodoo->fb_mask];
|
|
else
|
|
state->aux_mem = aux_mem = (uint16_t *) &voodoo->fb_mem[(params->aux_offset + (real_y * params->row_width)) & voodoo->fb_mask];
|
|
}
|
|
|
|
voodoo_render_log("%03i: x=%08x x2=%08x xstart=%08x xend=%08x dx=%08x\n", state->y, x, x2, state->xstart, state->xend, dx);
|
|
|
|
state->pixel_count = 0;
|
|
state->texel_count = 0;
|
|
state->x = x;
|
|
state->x2 = x2;
|
|
#ifndef NO_CODEGEN
|
|
if (voodoo->use_recompiler) {
|
|
voodoo_draw(state, params, x, real_y);
|
|
} else
|
|
#endif
|
|
do {
|
|
int x_tiled = (x & 63) | ((x >> 6) * 128 * 32 / 2);
|
|
start_x = x;
|
|
state->x = x;
|
|
voodoo->pixel_count[odd_even]++;
|
|
voodoo->texel_count[odd_even] += texels;
|
|
voodoo->fbiPixelsIn++;
|
|
|
|
voodoo_render_log(" X=%03i T=%08x\n", x, state->tmu0_t);
|
|
// if (voodoo->fbzMode & FBZ_RGB_WMASK)
|
|
{
|
|
int update = 1;
|
|
uint8_t cother_r = 0, cother_g = 0, cother_b = 0, aother;
|
|
uint8_t clocal_r, clocal_g, clocal_b, alocal;
|
|
int src_r = 0, src_g = 0, src_b = 0, src_a = 0;
|
|
int msel_r, msel_g, msel_b, msel_a;
|
|
uint8_t dest_r, dest_g, dest_b, dest_a;
|
|
uint16_t dat;
|
|
int sel;
|
|
int32_t new_depth, w_depth;
|
|
|
|
if (state->w & 0xffff00000000)
|
|
w_depth = 0;
|
|
else if (!(state->w & 0xffff0000))
|
|
w_depth = 0xf001;
|
|
else {
|
|
int exp = voodoo_fls((uint16_t) ((uint32_t) state->w >> 16));
|
|
int mant = ((~(uint32_t) state->w >> (19 - exp))) & 0xfff;
|
|
w_depth = (exp << 12) + mant + 1;
|
|
if (w_depth > 0xffff)
|
|
w_depth = 0xffff;
|
|
}
|
|
|
|
// w_depth = CLAMP16(w_depth);
|
|
|
|
if (params->fbzMode & FBZ_W_BUFFER)
|
|
new_depth = w_depth;
|
|
else
|
|
new_depth = CLAMP16(state->z >> 12);
|
|
|
|
if (params->fbzMode & FBZ_DEPTH_BIAS)
|
|
new_depth = CLAMP16(new_depth + (int16_t) params->zaColor);
|
|
|
|
if (params->fbzMode & FBZ_DEPTH_ENABLE) {
|
|
uint16_t old_depth = voodoo->params.aux_tiled ? aux_mem[x_tiled] : aux_mem[x];
|
|
|
|
DEPTH_TEST((params->fbzMode & FBZ_DEPTH_SOURCE) ? (params->zaColor & 0xffff) : new_depth);
|
|
}
|
|
|
|
dat = voodoo->params.col_tiled ? fb_mem[x_tiled] : fb_mem[x];
|
|
dest_r = (dat >> 8) & 0xf8;
|
|
dest_g = (dat >> 3) & 0xfc;
|
|
dest_b = (dat << 3) & 0xf8;
|
|
dest_r |= (dest_r >> 5);
|
|
dest_g |= (dest_g >> 6);
|
|
dest_b |= (dest_b >> 5);
|
|
dest_a = 0xff;
|
|
|
|
if (params->fbzColorPath & FBZCP_TEXTURE_ENABLED) {
|
|
if ((params->textureMode[0] & TEXTUREMODE_LOCAL_MASK) == TEXTUREMODE_LOCAL || !voodoo->dual_tmus) {
|
|
/*TMU0 only sampling local colour or only one TMU, only sample TMU0*/
|
|
voodoo_tmu_fetch(voodoo, params, state, 0, x);
|
|
} else if ((params->textureMode[0] & TEXTUREMODE_MASK) == TEXTUREMODE_PASSTHROUGH) {
|
|
/*TMU0 in pass-through mode, only sample TMU1*/
|
|
voodoo_tmu_fetch(voodoo, params, state, 1, x);
|
|
|
|
state->tex_r[0] = state->tex_r[1];
|
|
state->tex_g[0] = state->tex_g[1];
|
|
state->tex_b[0] = state->tex_b[1];
|
|
state->tex_a[0] = state->tex_a[1];
|
|
} else {
|
|
voodoo_tmu_fetch_and_blend(voodoo, params, state, x);
|
|
}
|
|
|
|
if ((params->fbzMode & FBZ_CHROMAKEY) && state->tex_r[0] == params->chromaKey_r && state->tex_g[0] == params->chromaKey_g && state->tex_b[0] == params->chromaKey_b) {
|
|
voodoo->fbiChromaFail++;
|
|
goto skip_pixel;
|
|
}
|
|
}
|
|
|
|
if (voodoo->trexInit1[0] & (1 << 18)) {
|
|
state->tex_r[0] = state->tex_g[0] = 0;
|
|
state->tex_b[0] = voodoo->tmuConfig;
|
|
}
|
|
|
|
if (cc_localselect_override)
|
|
sel = (state->tex_a[0] & 0x80) ? 1 : 0;
|
|
else
|
|
sel = cc_localselect;
|
|
|
|
if (sel) {
|
|
clocal_r = (params->color0 >> 16) & 0xff;
|
|
clocal_g = (params->color0 >> 8) & 0xff;
|
|
clocal_b = params->color0 & 0xff;
|
|
} else {
|
|
clocal_r = CLAMP(state->ir >> 12);
|
|
clocal_g = CLAMP(state->ig >> 12);
|
|
clocal_b = CLAMP(state->ib >> 12);
|
|
}
|
|
|
|
switch (_rgb_sel) {
|
|
case CC_LOCALSELECT_ITER_RGB: /*Iterated RGB*/
|
|
cother_r = CLAMP(state->ir >> 12);
|
|
cother_g = CLAMP(state->ig >> 12);
|
|
cother_b = CLAMP(state->ib >> 12);
|
|
break;
|
|
|
|
case CC_LOCALSELECT_TEX: /*TREX Color Output*/
|
|
cother_r = state->tex_r[0];
|
|
cother_g = state->tex_g[0];
|
|
cother_b = state->tex_b[0];
|
|
break;
|
|
|
|
case CC_LOCALSELECT_COLOR1: /*Color1 RGB*/
|
|
cother_r = (params->color1 >> 16) & 0xff;
|
|
cother_g = (params->color1 >> 8) & 0xff;
|
|
cother_b = params->color1 & 0xff;
|
|
break;
|
|
|
|
case CC_LOCALSELECT_LFB: /*Linear Frame Buffer*/
|
|
cother_r = src_r;
|
|
cother_g = src_g;
|
|
cother_b = src_b;
|
|
break;
|
|
}
|
|
|
|
switch (cca_localselect) {
|
|
case CCA_LOCALSELECT_ITER_A:
|
|
alocal = CLAMP(state->ia >> 12);
|
|
break;
|
|
|
|
case CCA_LOCALSELECT_COLOR0:
|
|
alocal = (params->color0 >> 24) & 0xff;
|
|
break;
|
|
|
|
case CCA_LOCALSELECT_ITER_Z:
|
|
alocal = CLAMP(state->z >> 20);
|
|
break;
|
|
|
|
default:
|
|
fatal("Bad cca_localselect %i\n", cca_localselect);
|
|
alocal = 0xff;
|
|
break;
|
|
}
|
|
|
|
switch (a_sel) {
|
|
case A_SEL_ITER_A:
|
|
aother = CLAMP(state->ia >> 12);
|
|
break;
|
|
case A_SEL_TEX:
|
|
aother = state->tex_a[0];
|
|
break;
|
|
case A_SEL_COLOR1:
|
|
aother = (params->color1 >> 24) & 0xff;
|
|
break;
|
|
default:
|
|
fatal("Bad a_sel %i\n", a_sel);
|
|
aother = 0;
|
|
break;
|
|
}
|
|
|
|
if (cc_zero_other) {
|
|
src_r = 0;
|
|
src_g = 0;
|
|
src_b = 0;
|
|
} else {
|
|
src_r = cother_r;
|
|
src_g = cother_g;
|
|
src_b = cother_b;
|
|
}
|
|
|
|
if (cca_zero_other)
|
|
src_a = 0;
|
|
else
|
|
src_a = aother;
|
|
|
|
if (cc_sub_clocal) {
|
|
src_r -= clocal_r;
|
|
src_g -= clocal_g;
|
|
src_b -= clocal_b;
|
|
}
|
|
|
|
if (cca_sub_clocal)
|
|
src_a -= alocal;
|
|
|
|
switch (cc_mselect) {
|
|
case CC_MSELECT_ZERO:
|
|
msel_r = 0;
|
|
msel_g = 0;
|
|
msel_b = 0;
|
|
break;
|
|
case CC_MSELECT_CLOCAL:
|
|
msel_r = clocal_r;
|
|
msel_g = clocal_g;
|
|
msel_b = clocal_b;
|
|
break;
|
|
case CC_MSELECT_AOTHER:
|
|
msel_r = aother;
|
|
msel_g = aother;
|
|
msel_b = aother;
|
|
break;
|
|
case CC_MSELECT_ALOCAL:
|
|
msel_r = alocal;
|
|
msel_g = alocal;
|
|
msel_b = alocal;
|
|
break;
|
|
case CC_MSELECT_TEX:
|
|
msel_r = state->tex_a[0];
|
|
msel_g = state->tex_a[0];
|
|
msel_b = state->tex_a[0];
|
|
break;
|
|
case CC_MSELECT_TEXRGB:
|
|
msel_r = state->tex_r[0];
|
|
msel_g = state->tex_g[0];
|
|
msel_b = state->tex_b[0];
|
|
break;
|
|
|
|
default:
|
|
fatal("Bad cc_mselect %i\n", cc_mselect);
|
|
msel_r = 0;
|
|
msel_g = 0;
|
|
msel_b = 0;
|
|
break;
|
|
}
|
|
|
|
switch (cca_mselect) {
|
|
case CCA_MSELECT_ZERO:
|
|
msel_a = 0;
|
|
break;
|
|
case CCA_MSELECT_ALOCAL:
|
|
msel_a = alocal;
|
|
break;
|
|
case CCA_MSELECT_AOTHER:
|
|
msel_a = aother;
|
|
break;
|
|
case CCA_MSELECT_ALOCAL2:
|
|
msel_a = alocal;
|
|
break;
|
|
case CCA_MSELECT_TEX:
|
|
msel_a = state->tex_a[0];
|
|
break;
|
|
|
|
default:
|
|
fatal("Bad cca_mselect %i\n", cca_mselect);
|
|
msel_a = 0;
|
|
break;
|
|
}
|
|
|
|
if (!cc_reverse_blend) {
|
|
msel_r ^= 0xff;
|
|
msel_g ^= 0xff;
|
|
msel_b ^= 0xff;
|
|
}
|
|
msel_r++;
|
|
msel_g++;
|
|
msel_b++;
|
|
|
|
if (!cca_reverse_blend)
|
|
msel_a ^= 0xff;
|
|
msel_a++;
|
|
|
|
src_r = (src_r * msel_r) >> 8;
|
|
src_g = (src_g * msel_g) >> 8;
|
|
src_b = (src_b * msel_b) >> 8;
|
|
src_a = (src_a * msel_a) >> 8;
|
|
|
|
switch (cc_add) {
|
|
case CC_ADD_CLOCAL:
|
|
src_r += clocal_r;
|
|
src_g += clocal_g;
|
|
src_b += clocal_b;
|
|
break;
|
|
case CC_ADD_ALOCAL:
|
|
src_r += alocal;
|
|
src_g += alocal;
|
|
src_b += alocal;
|
|
break;
|
|
case 0:
|
|
break;
|
|
default:
|
|
fatal("Bad cc_add %i\n", cc_add);
|
|
}
|
|
|
|
if (cca_add)
|
|
src_a += alocal;
|
|
|
|
src_r = CLAMP(src_r);
|
|
src_g = CLAMP(src_g);
|
|
src_b = CLAMP(src_b);
|
|
src_a = CLAMP(src_a);
|
|
|
|
if (cc_invert_output) {
|
|
src_r ^= 0xff;
|
|
src_g ^= 0xff;
|
|
src_b ^= 0xff;
|
|
}
|
|
if (cca_invert_output)
|
|
src_a ^= 0xff;
|
|
|
|
if (params->fogMode & FOG_ENABLE)
|
|
APPLY_FOG(src_r, src_g, src_b, state->z, state->ia, state->w);
|
|
|
|
if (params->alphaMode & 1)
|
|
ALPHA_TEST(src_a);
|
|
|
|
if (params->alphaMode & (1 << 4)) {
|
|
if (dithersub && !dither2x2 && voodoo->dithersub_enabled) {
|
|
dest_r = dithersub_rb[dest_r][real_y & 3][x & 3];
|
|
dest_g = dithersub_g[dest_g][real_y & 3][x & 3];
|
|
dest_b = dithersub_rb[dest_b][real_y & 3][x & 3];
|
|
}
|
|
if (dithersub && dither2x2 && voodoo->dithersub_enabled) {
|
|
dest_r = dithersub_rb2x2[dest_r][real_y & 1][x & 1];
|
|
dest_g = dithersub_g2x2[dest_g][real_y & 1][x & 1];
|
|
dest_b = dithersub_rb2x2[dest_b][real_y & 1][x & 1];
|
|
}
|
|
ALPHA_BLEND(src_r, src_g, src_b, src_a);
|
|
}
|
|
|
|
if (update) {
|
|
if (dither) {
|
|
if (dither2x2) {
|
|
src_r = dither_rb2x2[src_r][real_y & 1][x & 1];
|
|
src_g = dither_g2x2[src_g][real_y & 1][x & 1];
|
|
src_b = dither_rb2x2[src_b][real_y & 1][x & 1];
|
|
} else {
|
|
src_r = dither_rb[src_r][real_y & 3][x & 3];
|
|
src_g = dither_g[src_g][real_y & 3][x & 3];
|
|
src_b = dither_rb[src_b][real_y & 3][x & 3];
|
|
}
|
|
} else {
|
|
src_r >>= 3;
|
|
src_g >>= 2;
|
|
src_b >>= 3;
|
|
}
|
|
|
|
if (params->fbzMode & FBZ_RGB_WMASK) {
|
|
if (voodoo->params.col_tiled)
|
|
fb_mem[x_tiled] = src_b | (src_g << 5) | (src_r << 11);
|
|
else
|
|
fb_mem[x] = src_b | (src_g << 5) | (src_r << 11);
|
|
}
|
|
if ((params->fbzMode & (FBZ_DEPTH_WMASK | FBZ_DEPTH_ENABLE)) == (FBZ_DEPTH_WMASK | FBZ_DEPTH_ENABLE)) {
|
|
if (voodoo->params.aux_tiled)
|
|
aux_mem[x_tiled] = new_depth;
|
|
else
|
|
aux_mem[x] = new_depth;
|
|
}
|
|
}
|
|
}
|
|
voodoo->fbiPixelsOut++;
|
|
skip_pixel:
|
|
if (state->xdir > 0) {
|
|
state->ir += params->dRdX;
|
|
state->ig += params->dGdX;
|
|
state->ib += params->dBdX;
|
|
state->ia += params->dAdX;
|
|
state->z += params->dZdX;
|
|
state->tmu0_s += params->tmu[0].dSdX;
|
|
state->tmu0_t += params->tmu[0].dTdX;
|
|
state->tmu0_w += params->tmu[0].dWdX;
|
|
state->tmu1_s += params->tmu[1].dSdX;
|
|
state->tmu1_t += params->tmu[1].dTdX;
|
|
state->tmu1_w += params->tmu[1].dWdX;
|
|
state->w += params->dWdX;
|
|
} else {
|
|
state->ir -= params->dRdX;
|
|
state->ig -= params->dGdX;
|
|
state->ib -= params->dBdX;
|
|
state->ia -= params->dAdX;
|
|
state->z -= params->dZdX;
|
|
state->tmu0_s -= params->tmu[0].dSdX;
|
|
state->tmu0_t -= params->tmu[0].dTdX;
|
|
state->tmu0_w -= params->tmu[0].dWdX;
|
|
state->tmu1_s -= params->tmu[1].dSdX;
|
|
state->tmu1_t -= params->tmu[1].dTdX;
|
|
state->tmu1_w -= params->tmu[1].dWdX;
|
|
state->w -= params->dWdX;
|
|
}
|
|
|
|
x += state->xdir;
|
|
} while (start_x != x2);
|
|
|
|
voodoo->pixel_count[odd_even] += state->pixel_count;
|
|
voodoo->texel_count[odd_even] += state->texel_count;
|
|
voodoo->fbiPixelsIn += state->pixel_count;
|
|
|
|
if (voodoo->params.draw_offset == voodoo->params.front_offset && (real_y >> 1) < 2048)
|
|
voodoo->dirty_line[real_y >> 1] = 1;
|
|
|
|
next_line:
|
|
if (SLI_ENABLED) {
|
|
state->base_r += params->dRdY;
|
|
state->base_g += params->dGdY;
|
|
state->base_b += params->dBdY;
|
|
state->base_a += params->dAdY;
|
|
state->base_z += params->dZdY;
|
|
state->tmu[0].base_s += params->tmu[0].dSdY;
|
|
state->tmu[0].base_t += params->tmu[0].dTdY;
|
|
state->tmu[0].base_w += params->tmu[0].dWdY;
|
|
state->tmu[1].base_s += params->tmu[1].dSdY;
|
|
state->tmu[1].base_t += params->tmu[1].dTdY;
|
|
state->tmu[1].base_w += params->tmu[1].dWdY;
|
|
state->base_w += params->dWdY;
|
|
state->xstart += state->dx1;
|
|
state->xend += state->dx2;
|
|
}
|
|
state->base_r += params->dRdY;
|
|
state->base_g += params->dGdY;
|
|
state->base_b += params->dBdY;
|
|
state->base_a += params->dAdY;
|
|
state->base_z += params->dZdY;
|
|
state->tmu[0].base_s += params->tmu[0].dSdY;
|
|
state->tmu[0].base_t += params->tmu[0].dTdY;
|
|
state->tmu[0].base_w += params->tmu[0].dWdY;
|
|
state->tmu[1].base_s += params->tmu[1].dSdY;
|
|
state->tmu[1].base_t += params->tmu[1].dTdY;
|
|
state->tmu[1].base_w += params->tmu[1].dWdY;
|
|
state->base_w += params->dWdY;
|
|
state->xstart += state->dx1;
|
|
state->xend += state->dx2;
|
|
}
|
|
|
|
voodoo->texture_cache[0][params->tex_entry[0]].refcount_r[odd_even]++;
|
|
voodoo->texture_cache[1][params->tex_entry[1]].refcount_r[odd_even]++;
|
|
}
|
|
|
|
void
|
|
voodoo_triangle(voodoo_t *voodoo, voodoo_params_t *params, int odd_even)
|
|
{
|
|
voodoo_state_t state;
|
|
int vertexAy_adjusted;
|
|
int vertexCy_adjusted;
|
|
int dx, dy;
|
|
|
|
uint64_t tempdx, tempdy;
|
|
uint64_t tempLOD;
|
|
int LOD;
|
|
int lodbias;
|
|
|
|
voodoo->tri_count++;
|
|
|
|
dx = 8 - (params->vertexAx & 0xf);
|
|
if ((params->vertexAx & 0xf) > 8)
|
|
dx += 16;
|
|
dy = 8 - (params->vertexAy & 0xf);
|
|
if ((params->vertexAy & 0xf) > 8)
|
|
dy += 16;
|
|
|
|
/* voodoo_render_log("voodoo_triangle %i %i %i : vA %f, %f vB %f, %f vC %f, %f f %i,%i %08x %08x %08x,%08x tex=%i,%i fogMode=%08x\n", odd_even, voodoo->params_read_idx[odd_even], voodoo->params_read_idx[odd_even] & PARAM_MASK, (float)params->vertexAx / 16.0, (float)params->vertexAy / 16.0,
|
|
(float)params->vertexBx / 16.0, (float)params->vertexBy / 16.0,
|
|
(float)params->vertexCx / 16.0, (float)params->vertexCy / 16.0,
|
|
(params->fbzColorPath & FBZCP_TEXTURE_ENABLED) ? params->tformat[0] : 0,
|
|
(params->fbzColorPath & FBZCP_TEXTURE_ENABLED) ? params->tformat[1] : 0, params->fbzColorPath, params->alphaMode, params->textureMode[0],params->textureMode[1], params->tex_entry[0],params->tex_entry[1], params->fogMode);*/
|
|
|
|
state.base_r = params->startR;
|
|
state.base_g = params->startG;
|
|
state.base_b = params->startB;
|
|
state.base_a = params->startA;
|
|
state.base_z = params->startZ;
|
|
state.tmu[0].base_s = params->tmu[0].startS;
|
|
state.tmu[0].base_t = params->tmu[0].startT;
|
|
state.tmu[0].base_w = params->tmu[0].startW;
|
|
state.tmu[1].base_s = params->tmu[1].startS;
|
|
state.tmu[1].base_t = params->tmu[1].startT;
|
|
state.tmu[1].base_w = params->tmu[1].startW;
|
|
state.base_w = params->startW;
|
|
|
|
if (params->fbzColorPath & FBZ_PARAM_ADJUST) {
|
|
state.base_r += (dx * params->dRdX + dy * params->dRdY) >> 4;
|
|
state.base_g += (dx * params->dGdX + dy * params->dGdY) >> 4;
|
|
state.base_b += (dx * params->dBdX + dy * params->dBdY) >> 4;
|
|
state.base_a += (dx * params->dAdX + dy * params->dAdY) >> 4;
|
|
state.base_z += (dx * params->dZdX + dy * params->dZdY) >> 4;
|
|
state.tmu[0].base_s += (dx * params->tmu[0].dSdX + dy * params->tmu[0].dSdY) >> 4;
|
|
state.tmu[0].base_t += (dx * params->tmu[0].dTdX + dy * params->tmu[0].dTdY) >> 4;
|
|
state.tmu[0].base_w += (dx * params->tmu[0].dWdX + dy * params->tmu[0].dWdY) >> 4;
|
|
state.tmu[1].base_s += (dx * params->tmu[1].dSdX + dy * params->tmu[1].dSdY) >> 4;
|
|
state.tmu[1].base_t += (dx * params->tmu[1].dTdX + dy * params->tmu[1].dTdY) >> 4;
|
|
state.tmu[1].base_w += (dx * params->tmu[1].dWdX + dy * params->tmu[1].dWdY) >> 4;
|
|
state.base_w += (dx * params->dWdX + dy * params->dWdY) >> 4;
|
|
}
|
|
|
|
tris++;
|
|
|
|
state.vertexAy = params->vertexAy & ~0xffff0000;
|
|
if (state.vertexAy & 0x8000)
|
|
state.vertexAy |= 0xffff0000;
|
|
state.vertexBy = params->vertexBy & ~0xffff0000;
|
|
if (state.vertexBy & 0x8000)
|
|
state.vertexBy |= 0xffff0000;
|
|
state.vertexCy = params->vertexCy & ~0xffff0000;
|
|
if (state.vertexCy & 0x8000)
|
|
state.vertexCy |= 0xffff0000;
|
|
|
|
state.vertexAx = params->vertexAx & ~0xffff0000;
|
|
if (state.vertexAx & 0x8000)
|
|
state.vertexAx |= 0xffff0000;
|
|
state.vertexBx = params->vertexBx & ~0xffff0000;
|
|
if (state.vertexBx & 0x8000)
|
|
state.vertexBx |= 0xffff0000;
|
|
state.vertexCx = params->vertexCx & ~0xffff0000;
|
|
if (state.vertexCx & 0x8000)
|
|
state.vertexCx |= 0xffff0000;
|
|
|
|
vertexAy_adjusted = (state.vertexAy + 7) >> 4;
|
|
vertexCy_adjusted = (state.vertexCy + 7) >> 4;
|
|
|
|
if (state.vertexBy - state.vertexAy)
|
|
state.dxAB = (int) ((((int64_t) state.vertexBx << 12) - ((int64_t) state.vertexAx << 12)) << 4) / (int) (state.vertexBy - state.vertexAy);
|
|
else
|
|
state.dxAB = 0;
|
|
if (state.vertexCy - state.vertexAy)
|
|
state.dxAC = (int) ((((int64_t) state.vertexCx << 12) - ((int64_t) state.vertexAx << 12)) << 4) / (int) (state.vertexCy - state.vertexAy);
|
|
else
|
|
state.dxAC = 0;
|
|
if (state.vertexCy - state.vertexBy)
|
|
state.dxBC = (int) ((((int64_t) state.vertexCx << 12) - ((int64_t) state.vertexBx << 12)) << 4) / (int) (state.vertexCy - state.vertexBy);
|
|
else
|
|
state.dxBC = 0;
|
|
|
|
state.lod_min[0] = (params->tLOD[0] & 0x3f) << 6;
|
|
state.lod_max[0] = ((params->tLOD[0] >> 6) & 0x3f) << 6;
|
|
if (state.lod_max[0] > 0x800)
|
|
state.lod_max[0] = 0x800;
|
|
state.lod_min[1] = (params->tLOD[1] & 0x3f) << 6;
|
|
state.lod_max[1] = ((params->tLOD[1] >> 6) & 0x3f) << 6;
|
|
if (state.lod_max[1] > 0x800)
|
|
state.lod_max[1] = 0x800;
|
|
|
|
state.xstart = state.xend = state.vertexAx << 8;
|
|
state.xdir = params->sign ? -1 : 1;
|
|
|
|
state.y = (state.vertexAy + 8) >> 4;
|
|
state.ydir = 1;
|
|
|
|
tempdx = (params->tmu[0].dSdX >> 14) * (params->tmu[0].dSdX >> 14) + (params->tmu[0].dTdX >> 14) * (params->tmu[0].dTdX >> 14);
|
|
tempdy = (params->tmu[0].dSdY >> 14) * (params->tmu[0].dSdY >> 14) + (params->tmu[0].dTdY >> 14) * (params->tmu[0].dTdY >> 14);
|
|
|
|
if (tempdx > tempdy)
|
|
tempLOD = tempdx;
|
|
else
|
|
tempLOD = tempdy;
|
|
|
|
LOD = (int) (log2((double) tempLOD / (double) (1ULL << 36)) * 256);
|
|
LOD >>= 2;
|
|
|
|
lodbias = (params->tLOD[0] >> 12) & 0x3f;
|
|
if (lodbias & 0x20)
|
|
lodbias |= ~0x3f;
|
|
state.tmu[0].lod = LOD + (lodbias << 6);
|
|
|
|
tempdx = (params->tmu[1].dSdX >> 14) * (params->tmu[1].dSdX >> 14) + (params->tmu[1].dTdX >> 14) * (params->tmu[1].dTdX >> 14);
|
|
tempdy = (params->tmu[1].dSdY >> 14) * (params->tmu[1].dSdY >> 14) + (params->tmu[1].dTdY >> 14) * (params->tmu[1].dTdY >> 14);
|
|
|
|
if (tempdx > tempdy)
|
|
tempLOD = tempdx;
|
|
else
|
|
tempLOD = tempdy;
|
|
|
|
LOD = (int) (log2((double) tempLOD / (double) (1ULL << 36)) * 256);
|
|
LOD >>= 2;
|
|
|
|
lodbias = (params->tLOD[1] >> 12) & 0x3f;
|
|
if (lodbias & 0x20)
|
|
lodbias |= ~0x3f;
|
|
state.tmu[1].lod = LOD + (lodbias << 6);
|
|
|
|
voodoo_half_triangle(voodoo, params, &state, vertexAy_adjusted, vertexCy_adjusted, odd_even);
|
|
}
|
|
|
|
static void
|
|
render_thread(void *param, int odd_even)
|
|
{
|
|
voodoo_t *voodoo = (voodoo_t *) param;
|
|
|
|
while (voodoo->render_thread_run[odd_even]) {
|
|
thread_set_event(voodoo->render_not_full_event[odd_even]);
|
|
thread_wait_event(voodoo->wake_render_thread[odd_even], -1);
|
|
thread_reset_event(voodoo->wake_render_thread[odd_even]);
|
|
voodoo->render_voodoo_busy[odd_even] = 1;
|
|
|
|
while (!PARAM_EMPTY(odd_even)) {
|
|
uint64_t start_time = plat_timer_read();
|
|
uint64_t end_time;
|
|
voodoo_params_t *params = &voodoo->params_buffer[voodoo->params_read_idx[odd_even] & PARAM_MASK];
|
|
|
|
voodoo_triangle(voodoo, params, odd_even);
|
|
|
|
voodoo->params_read_idx[odd_even]++;
|
|
|
|
if (PARAM_ENTRIES(odd_even) > (PARAM_SIZE - 10))
|
|
thread_set_event(voodoo->render_not_full_event[odd_even]);
|
|
|
|
end_time = plat_timer_read();
|
|
voodoo->render_time[odd_even] += end_time - start_time;
|
|
}
|
|
|
|
voodoo->render_voodoo_busy[odd_even] = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
voodoo_render_thread_1(void *param)
|
|
{
|
|
render_thread(param, 0);
|
|
}
|
|
void
|
|
voodoo_render_thread_2(void *param)
|
|
{
|
|
render_thread(param, 1);
|
|
}
|
|
void
|
|
voodoo_render_thread_3(void *param)
|
|
{
|
|
render_thread(param, 2);
|
|
}
|
|
void
|
|
voodoo_render_thread_4(void *param)
|
|
{
|
|
render_thread(param, 3);
|
|
}
|
|
|
|
void
|
|
voodoo_queue_triangle(voodoo_t *voodoo, voodoo_params_t *params)
|
|
{
|
|
voodoo_params_t *params_new = &voodoo->params_buffer[voodoo->params_write_idx & PARAM_MASK];
|
|
|
|
while (PARAM_FULL(0) || (voodoo->render_threads >= 2 && PARAM_FULL(1)) || (voodoo->render_threads == 4 && (PARAM_FULL(2) || PARAM_FULL(3)))) {
|
|
thread_reset_event(voodoo->render_not_full_event[0]);
|
|
if (voodoo->render_threads >= 2)
|
|
thread_reset_event(voodoo->render_not_full_event[1]);
|
|
if (voodoo->render_threads == 4) {
|
|
thread_reset_event(voodoo->render_not_full_event[2]);
|
|
thread_reset_event(voodoo->render_not_full_event[3]);
|
|
}
|
|
if (PARAM_FULL(0))
|
|
thread_wait_event(voodoo->render_not_full_event[0], -1); /*Wait for room in ringbuffer*/
|
|
if (voodoo->render_threads >= 2 && PARAM_FULL(1))
|
|
thread_wait_event(voodoo->render_not_full_event[1], -1); /*Wait for room in ringbuffer*/
|
|
if (voodoo->render_threads == 4 && PARAM_FULL(2))
|
|
thread_wait_event(voodoo->render_not_full_event[2], -1); /*Wait for room in ringbuffer*/
|
|
if (voodoo->render_threads == 4 && PARAM_FULL(3))
|
|
thread_wait_event(voodoo->render_not_full_event[3], -1); /*Wait for room in ringbuffer*/
|
|
}
|
|
|
|
voodoo_use_texture(voodoo, params, 0);
|
|
if (voodoo->dual_tmus)
|
|
voodoo_use_texture(voodoo, params, 1);
|
|
|
|
memcpy(params_new, params, sizeof(voodoo_params_t));
|
|
|
|
voodoo->params_write_idx++;
|
|
|
|
if (PARAM_ENTRIES(0) < 4 || (voodoo->render_threads >= 2 && PARAM_ENTRIES(1) < 4) || (voodoo->render_threads == 4 && (PARAM_ENTRIES(2) < 4 || PARAM_ENTRIES(3) < 4)))
|
|
voodoo_wake_render_thread(voodoo);
|
|
}
|