1368 lines
49 KiB
C
1368 lines
49 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_banshee.h>
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#include <86box/vid_voodoo_blitter.h>
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#include <86box/vid_voodoo_dither.h>
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#include <86box/vid_voodoo_fifo.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_setup.h>
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#include <86box/vid_voodoo_texture.h>
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enum {
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CHIP_FBI = 0x1,
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CHIP_TREX0 = 0x2,
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CHIP_TREX1 = 0x4,
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CHIP_TREX2 = 0x8
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};
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#ifdef ENABLE_VOODOO_REG_LOG
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int voodoo_reg_do_log = ENABLE_VOODOO_REG_LOG;
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static void
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voodoo_reg_log(const char *fmt, ...)
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{
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va_list ap;
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if (voodoo_reg_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_reg_log(fmt, ...)
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#endif
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void
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voodoo_reg_writel(uint32_t addr, uint32_t val, void *priv)
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{
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voodoo_t *voodoo = (voodoo_t *) priv;
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void (*voodoo_recalc_tex)(voodoo_t * voodoo, int tmu) = NULL;
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union {
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uint32_t i;
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float f;
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} tempif;
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int ad21 = addr & (1 << 21);
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int chip = (addr >> 10) & 0xf;
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if (!chip)
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chip = 0xf;
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if (voodoo->type == VOODOO_3)
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voodoo_recalc_tex = voodoo_recalc_tex3;
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else
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voodoo_recalc_tex = voodoo_recalc_tex12;
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tempif.i = val;
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#if 0
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voodoo_reg_log("voodoo_reg_write_l: addr=%08x val=%08x(%f) chip=%x\n", addr, val, tempif.f, chip);
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#endif
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addr &= 0x3fc;
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if ((voodoo->fbiInit3 & FBIINIT3_REMAP) && addr < 0x100 && ad21)
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addr |= 0x400;
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switch (addr) {
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case SST_swapbufferCMD:
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if (voodoo->type >= VOODOO_BANSHEE) {
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#if 0
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voodoo_reg_log("swapbufferCMD %08x %08x\n", val, voodoo->leftOverlayBuf);
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#endif
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voodoo_wait_for_render_thread_idle(voodoo);
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if (!(val & 1)) {
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banshee_set_overlay_addr(voodoo->priv, voodoo->leftOverlayBuf);
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thread_wait_mutex(voodoo->swap_mutex);
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if (voodoo->swap_count > 0)
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voodoo->swap_count--;
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thread_release_mutex(voodoo->swap_mutex);
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voodoo->frame_count++;
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} else if (TRIPLE_BUFFER) {
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if (voodoo->swap_pending)
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voodoo_wait_for_swap_complete(voodoo);
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voodoo->swap_interval = (val >> 1) & 0xff;
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voodoo->swap_offset = voodoo->leftOverlayBuf;
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voodoo->swap_pending = 1;
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} else {
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voodoo->swap_interval = (val >> 1) & 0xff;
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voodoo->swap_offset = voodoo->leftOverlayBuf;
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voodoo->swap_pending = 1;
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voodoo_wait_for_swap_complete(voodoo);
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}
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voodoo->cmd_read++;
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break;
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}
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if (TRIPLE_BUFFER) {
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voodoo->disp_buffer = (voodoo->disp_buffer + 1) % 3;
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voodoo->draw_buffer = (voodoo->draw_buffer + 1) % 3;
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} else {
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voodoo->disp_buffer = !voodoo->disp_buffer;
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voodoo->draw_buffer = !voodoo->draw_buffer;
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}
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voodoo_recalc(voodoo);
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voodoo->params.swapbufferCMD = val;
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#if 0
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voodoo_reg_log("Swap buffer %08x %d %p %i\n", val, voodoo->swap_count, &voodoo->swap_count, (voodoo == voodoo->set->voodoos[1]) ? 1 : 0);
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voodoo->front_offset = params->front_offset;
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#endif
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voodoo_wait_for_render_thread_idle(voodoo);
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if (!(val & 1)) {
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memset(voodoo->dirty_line, 1, sizeof(voodoo->dirty_line));
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voodoo->front_offset = voodoo->params.front_offset;
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thread_wait_mutex(voodoo->swap_mutex);
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if (voodoo->swap_count > 0)
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voodoo->swap_count--;
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thread_release_mutex(voodoo->swap_mutex);
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} else if (TRIPLE_BUFFER) {
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if (voodoo->swap_pending)
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voodoo_wait_for_swap_complete(voodoo);
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voodoo->swap_interval = (val >> 1) & 0xff;
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voodoo->swap_offset = voodoo->params.front_offset;
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voodoo->swap_pending = 1;
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} else {
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voodoo->swap_interval = (val >> 1) & 0xff;
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voodoo->swap_offset = voodoo->params.front_offset;
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voodoo->swap_pending = 1;
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voodoo_wait_for_swap_complete(voodoo);
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}
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voodoo->cmd_read++;
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break;
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case SST_vertexAx:
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case SST_remap_vertexAx:
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voodoo->params.vertexAx = val & 0xffff;
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break;
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case SST_vertexAy:
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case SST_remap_vertexAy:
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voodoo->params.vertexAy = val & 0xffff;
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break;
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case SST_vertexBx:
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case SST_remap_vertexBx:
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voodoo->params.vertexBx = val & 0xffff;
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break;
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case SST_vertexBy:
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case SST_remap_vertexBy:
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voodoo->params.vertexBy = val & 0xffff;
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break;
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case SST_vertexCx:
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case SST_remap_vertexCx:
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voodoo->params.vertexCx = val & 0xffff;
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break;
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case SST_vertexCy:
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case SST_remap_vertexCy:
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voodoo->params.vertexCy = val & 0xffff;
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break;
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case SST_startR:
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case SST_remap_startR:
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voodoo->params.startR = val & 0xffffff;
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break;
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case SST_startG:
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case SST_remap_startG:
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voodoo->params.startG = val & 0xffffff;
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break;
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case SST_startB:
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case SST_remap_startB:
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voodoo->params.startB = val & 0xffffff;
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break;
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case SST_startZ:
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case SST_remap_startZ:
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voodoo->params.startZ = val;
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break;
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case SST_startA:
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case SST_remap_startA:
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voodoo->params.startA = val & 0xffffff;
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break;
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case SST_startS:
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case SST_remap_startS:
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].startS = ((int64_t) (int32_t) val) << 14;
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].startS = ((int64_t) (int32_t) val) << 14;
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break;
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case SST_startT:
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case SST_remap_startT:
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].startT = ((int64_t) (int32_t) val) << 14;
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].startT = ((int64_t) (int32_t) val) << 14;
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break;
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case SST_startW:
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case SST_remap_startW:
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if (chip & CHIP_FBI)
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voodoo->params.startW = (int64_t) (int32_t) val << 2;
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].startW = (int64_t) (int32_t) val << 2;
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].startW = (int64_t) (int32_t) val << 2;
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break;
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case SST_dRdX:
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case SST_remap_dRdX:
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voodoo->params.dRdX = (val & 0xffffff) | ((val & 0x800000) ? 0xff000000 : 0);
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break;
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case SST_dGdX:
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case SST_remap_dGdX:
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voodoo->params.dGdX = (val & 0xffffff) | ((val & 0x800000) ? 0xff000000 : 0);
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break;
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case SST_dBdX:
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case SST_remap_dBdX:
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voodoo->params.dBdX = (val & 0xffffff) | ((val & 0x800000) ? 0xff000000 : 0);
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break;
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case SST_dZdX:
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case SST_remap_dZdX:
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voodoo->params.dZdX = val;
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break;
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case SST_dAdX:
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case SST_remap_dAdX:
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voodoo->params.dAdX = (val & 0xffffff) | ((val & 0x800000) ? 0xff000000 : 0);
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break;
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case SST_dSdX:
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case SST_remap_dSdX:
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].dSdX = ((int64_t) (int32_t) val) << 14;
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].dSdX = ((int64_t) (int32_t) val) << 14;
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break;
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case SST_dTdX:
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case SST_remap_dTdX:
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].dTdX = ((int64_t) (int32_t) val) << 14;
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].dTdX = ((int64_t) (int32_t) val) << 14;
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break;
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case SST_dWdX:
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case SST_remap_dWdX:
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].dWdX = (int64_t) (int32_t) val << 2;
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].dWdX = (int64_t) (int32_t) val << 2;
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if (chip & CHIP_FBI)
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voodoo->params.dWdX = (int64_t) (int32_t) val << 2;
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break;
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case SST_dRdY:
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case SST_remap_dRdY:
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voodoo->params.dRdY = (val & 0xffffff) | ((val & 0x800000) ? 0xff000000 : 0);
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break;
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case SST_dGdY:
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case SST_remap_dGdY:
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voodoo->params.dGdY = (val & 0xffffff) | ((val & 0x800000) ? 0xff000000 : 0);
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break;
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case SST_dBdY:
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case SST_remap_dBdY:
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voodoo->params.dBdY = (val & 0xffffff) | ((val & 0x800000) ? 0xff000000 : 0);
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break;
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case SST_dZdY:
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case SST_remap_dZdY:
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voodoo->params.dZdY = val;
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break;
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case SST_dAdY:
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case SST_remap_dAdY:
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voodoo->params.dAdY = (val & 0xffffff) | ((val & 0x800000) ? 0xff000000 : 0);
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break;
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case SST_dSdY:
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case SST_remap_dSdY:
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].dSdY = ((int64_t) (int32_t) val) << 14;
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].dSdY = ((int64_t) (int32_t) val) << 14;
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break;
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case SST_dTdY:
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case SST_remap_dTdY:
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].dTdY = ((int64_t) (int32_t) val) << 14;
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].dTdY = ((int64_t) (int32_t) val) << 14;
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break;
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case SST_dWdY:
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case SST_remap_dWdY:
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].dWdY = (int64_t) (int32_t) val << 2;
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].dWdY = (int64_t) (int32_t) val << 2;
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if (chip & CHIP_FBI)
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voodoo->params.dWdY = (int64_t) (int32_t) val << 2;
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break;
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case SST_triangleCMD:
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case SST_remap_triangleCMD:
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voodoo->params.sign = val & (1 << 31);
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if (voodoo->ncc_dirty[0])
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voodoo_update_ncc(voodoo, 0);
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if (voodoo->ncc_dirty[1])
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voodoo_update_ncc(voodoo, 1);
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voodoo->ncc_dirty[0] = voodoo->ncc_dirty[1] = 0;
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voodoo_queue_triangle(voodoo, &voodoo->params);
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voodoo->cmd_read++;
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break;
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case SST_fvertexAx:
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case SST_remap_fvertexAx:
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voodoo->fvertexAx.i = val;
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voodoo->params.vertexAx = (int32_t) (int16_t) (int32_t) (voodoo->fvertexAx.f * 16.0f) & 0xffff;
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break;
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case SST_fvertexAy:
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case SST_remap_fvertexAy:
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voodoo->fvertexAy.i = val;
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voodoo->params.vertexAy = (int32_t) (int16_t) (int32_t) (voodoo->fvertexAy.f * 16.0f) & 0xffff;
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break;
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case SST_fvertexBx:
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case SST_remap_fvertexBx:
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voodoo->fvertexBx.i = val;
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voodoo->params.vertexBx = (int32_t) (int16_t) (int32_t) (voodoo->fvertexBx.f * 16.0f) & 0xffff;
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break;
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case SST_fvertexBy:
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case SST_remap_fvertexBy:
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voodoo->fvertexBy.i = val;
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voodoo->params.vertexBy = (int32_t) (int16_t) (int32_t) (voodoo->fvertexBy.f * 16.0f) & 0xffff;
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break;
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case SST_fvertexCx:
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case SST_remap_fvertexCx:
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voodoo->fvertexCx.i = val;
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voodoo->params.vertexCx = (int32_t) (int16_t) (int32_t) (voodoo->fvertexCx.f * 16.0f) & 0xffff;
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break;
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case SST_fvertexCy:
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case SST_remap_fvertexCy:
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voodoo->fvertexCy.i = val;
|
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voodoo->params.vertexCy = (int32_t) (int16_t) (int32_t) (voodoo->fvertexCy.f * 16.0f) & 0xffff;
|
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break;
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|
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case SST_fstartR:
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case SST_remap_fstartR:
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tempif.i = val;
|
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voodoo->params.startR = (int32_t) (tempif.f * 4096.0f);
|
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break;
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case SST_fstartG:
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case SST_remap_fstartG:
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tempif.i = val;
|
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voodoo->params.startG = (int32_t) (tempif.f * 4096.0f);
|
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break;
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case SST_fstartB:
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case SST_remap_fstartB:
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tempif.i = val;
|
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voodoo->params.startB = (int32_t) (tempif.f * 4096.0f);
|
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break;
|
|
case SST_fstartZ:
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case SST_remap_fstartZ:
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tempif.i = val;
|
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voodoo->params.startZ = (int32_t) (tempif.f * 4096.0f);
|
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break;
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case SST_fstartA:
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case SST_remap_fstartA:
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tempif.i = val;
|
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voodoo->params.startA = (int32_t) (tempif.f * 4096.0f);
|
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break;
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case SST_fstartS:
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case SST_remap_fstartS:
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tempif.i = val;
|
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if (chip & CHIP_TREX0)
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voodoo->params.tmu[0].startS = (int64_t) (tempif.f * 4294967296.0f);
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if (chip & CHIP_TREX1)
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voodoo->params.tmu[1].startS = (int64_t) (tempif.f * 4294967296.0f);
|
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break;
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case SST_fstartT:
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case SST_remap_fstartT:
|
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tempif.i = val;
|
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if (chip & CHIP_TREX0)
|
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voodoo->params.tmu[0].startT = (int64_t) (tempif.f * 4294967296.0f);
|
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if (chip & CHIP_TREX1)
|
|
voodoo->params.tmu[1].startT = (int64_t) (tempif.f * 4294967296.0f);
|
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break;
|
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case SST_fstartW:
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case SST_remap_fstartW:
|
|
tempif.i = val;
|
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if (chip & CHIP_TREX0)
|
|
voodoo->params.tmu[0].startW = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_TREX1)
|
|
voodoo->params.tmu[1].startW = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_FBI)
|
|
voodoo->params.startW = (int64_t) (tempif.f * 4294967296.0f);
|
|
break;
|
|
|
|
case SST_fdRdX:
|
|
case SST_remap_fdRdX:
|
|
tempif.i = val;
|
|
voodoo->params.dRdX = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdGdX:
|
|
case SST_remap_fdGdX:
|
|
tempif.i = val;
|
|
voodoo->params.dGdX = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdBdX:
|
|
case SST_remap_fdBdX:
|
|
tempif.i = val;
|
|
voodoo->params.dBdX = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdZdX:
|
|
case SST_remap_fdZdX:
|
|
tempif.i = val;
|
|
voodoo->params.dZdX = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdAdX:
|
|
case SST_remap_fdAdX:
|
|
tempif.i = val;
|
|
voodoo->params.dAdX = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdSdX:
|
|
case SST_remap_fdSdX:
|
|
tempif.i = val;
|
|
if (chip & CHIP_TREX0)
|
|
voodoo->params.tmu[0].dSdX = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_TREX1)
|
|
voodoo->params.tmu[1].dSdX = (int64_t) (tempif.f * 4294967296.0f);
|
|
break;
|
|
case SST_fdTdX:
|
|
case SST_remap_fdTdX:
|
|
tempif.i = val;
|
|
if (chip & CHIP_TREX0)
|
|
voodoo->params.tmu[0].dTdX = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_TREX1)
|
|
voodoo->params.tmu[1].dTdX = (int64_t) (tempif.f * 4294967296.0f);
|
|
break;
|
|
case SST_fdWdX:
|
|
case SST_remap_fdWdX:
|
|
tempif.i = val;
|
|
if (chip & CHIP_TREX0)
|
|
voodoo->params.tmu[0].dWdX = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_TREX1)
|
|
voodoo->params.tmu[1].dWdX = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_FBI)
|
|
voodoo->params.dWdX = (int64_t) (tempif.f * 4294967296.0f);
|
|
break;
|
|
|
|
case SST_fdRdY:
|
|
case SST_remap_fdRdY:
|
|
tempif.i = val;
|
|
voodoo->params.dRdY = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdGdY:
|
|
case SST_remap_fdGdY:
|
|
tempif.i = val;
|
|
voodoo->params.dGdY = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdBdY:
|
|
case SST_remap_fdBdY:
|
|
tempif.i = val;
|
|
voodoo->params.dBdY = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdZdY:
|
|
case SST_remap_fdZdY:
|
|
tempif.i = val;
|
|
voodoo->params.dZdY = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdAdY:
|
|
case SST_remap_fdAdY:
|
|
tempif.i = val;
|
|
voodoo->params.dAdY = (int32_t) (tempif.f * 4096.0f);
|
|
break;
|
|
case SST_fdSdY:
|
|
case SST_remap_fdSdY:
|
|
tempif.i = val;
|
|
if (chip & CHIP_TREX0)
|
|
voodoo->params.tmu[0].dSdY = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_TREX1)
|
|
voodoo->params.tmu[1].dSdY = (int64_t) (tempif.f * 4294967296.0f);
|
|
break;
|
|
case SST_fdTdY:
|
|
case SST_remap_fdTdY:
|
|
tempif.i = val;
|
|
if (chip & CHIP_TREX0)
|
|
voodoo->params.tmu[0].dTdY = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_TREX1)
|
|
voodoo->params.tmu[1].dTdY = (int64_t) (tempif.f * 4294967296.0f);
|
|
break;
|
|
case SST_fdWdY:
|
|
case SST_remap_fdWdY:
|
|
tempif.i = val;
|
|
if (chip & CHIP_TREX0)
|
|
voodoo->params.tmu[0].dWdY = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_TREX1)
|
|
voodoo->params.tmu[1].dWdY = (int64_t) (tempif.f * 4294967296.0f);
|
|
if (chip & CHIP_FBI)
|
|
voodoo->params.dWdY = (int64_t) (tempif.f * 4294967296.0f);
|
|
break;
|
|
|
|
case SST_ftriangleCMD:
|
|
voodoo->params.sign = val & (1 << 31);
|
|
|
|
if (voodoo->ncc_dirty[0])
|
|
voodoo_update_ncc(voodoo, 0);
|
|
if (voodoo->ncc_dirty[1])
|
|
voodoo_update_ncc(voodoo, 1);
|
|
voodoo->ncc_dirty[0] = voodoo->ncc_dirty[1] = 0;
|
|
|
|
voodoo_queue_triangle(voodoo, &voodoo->params);
|
|
|
|
voodoo->cmd_read++;
|
|
break;
|
|
|
|
case SST_fbzColorPath:
|
|
voodoo->params.fbzColorPath = val;
|
|
voodoo->rgb_sel = val & 3;
|
|
break;
|
|
|
|
case SST_fogMode:
|
|
voodoo->params.fogMode = val;
|
|
break;
|
|
case SST_alphaMode:
|
|
voodoo->params.alphaMode = val;
|
|
break;
|
|
case SST_fbzMode:
|
|
voodoo->params.fbzMode = val;
|
|
voodoo_recalc(voodoo);
|
|
break;
|
|
case SST_lfbMode:
|
|
voodoo->lfbMode = val;
|
|
voodoo_recalc(voodoo);
|
|
break;
|
|
|
|
case SST_clipLeftRight:
|
|
if (voodoo->type >= VOODOO_2) {
|
|
voodoo->params.clipRight = val & 0xfff;
|
|
voodoo->params.clipLeft = (val >> 16) & 0xfff;
|
|
} else {
|
|
voodoo->params.clipRight = val & 0x3ff;
|
|
voodoo->params.clipLeft = (val >> 16) & 0x3ff;
|
|
}
|
|
break;
|
|
case SST_clipLowYHighY:
|
|
if (voodoo->type >= VOODOO_2) {
|
|
voodoo->params.clipHighY = val & 0xfff;
|
|
voodoo->params.clipLowY = (val >> 16) & 0xfff;
|
|
} else {
|
|
voodoo->params.clipHighY = val & 0x3ff;
|
|
voodoo->params.clipLowY = (val >> 16) & 0x3ff;
|
|
}
|
|
break;
|
|
|
|
case SST_nopCMD:
|
|
voodoo->cmd_read++;
|
|
voodoo->fbiPixelsIn = 0;
|
|
voodoo->fbiChromaFail = 0;
|
|
voodoo->fbiZFuncFail = 0;
|
|
voodoo->fbiAFuncFail = 0;
|
|
voodoo->fbiPixelsOut = 0;
|
|
break;
|
|
case SST_fastfillCMD:
|
|
voodoo_wait_for_render_thread_idle(voodoo);
|
|
voodoo_fastfill(voodoo, &voodoo->params);
|
|
voodoo->cmd_read++;
|
|
break;
|
|
|
|
case SST_fogColor:
|
|
voodoo->params.fogColor.r = (val >> 16) & 0xff;
|
|
voodoo->params.fogColor.g = (val >> 8) & 0xff;
|
|
voodoo->params.fogColor.b = val & 0xff;
|
|
break;
|
|
|
|
case SST_zaColor:
|
|
voodoo->params.zaColor = val;
|
|
break;
|
|
case SST_chromaKey:
|
|
voodoo->params.chromaKey_r = (val >> 16) & 0xff;
|
|
voodoo->params.chromaKey_g = (val >> 8) & 0xff;
|
|
voodoo->params.chromaKey_b = val & 0xff;
|
|
voodoo->params.chromaKey = val & 0xffffff;
|
|
break;
|
|
case SST_stipple:
|
|
voodoo->params.stipple = val;
|
|
break;
|
|
case SST_color0:
|
|
voodoo->params.color0 = val;
|
|
break;
|
|
case SST_color1:
|
|
voodoo->params.color1 = val;
|
|
break;
|
|
|
|
case SST_fogTable00:
|
|
case SST_fogTable01:
|
|
case SST_fogTable02:
|
|
case SST_fogTable03:
|
|
case SST_fogTable04:
|
|
case SST_fogTable05:
|
|
case SST_fogTable06:
|
|
case SST_fogTable07:
|
|
case SST_fogTable08:
|
|
case SST_fogTable09:
|
|
case SST_fogTable0a:
|
|
case SST_fogTable0b:
|
|
case SST_fogTable0c:
|
|
case SST_fogTable0d:
|
|
case SST_fogTable0e:
|
|
case SST_fogTable0f:
|
|
case SST_fogTable10:
|
|
case SST_fogTable11:
|
|
case SST_fogTable12:
|
|
case SST_fogTable13:
|
|
case SST_fogTable14:
|
|
case SST_fogTable15:
|
|
case SST_fogTable16:
|
|
case SST_fogTable17:
|
|
case SST_fogTable18:
|
|
case SST_fogTable19:
|
|
case SST_fogTable1a:
|
|
case SST_fogTable1b:
|
|
case SST_fogTable1c:
|
|
case SST_fogTable1d:
|
|
case SST_fogTable1e:
|
|
case SST_fogTable1f:
|
|
addr = (addr - SST_fogTable00) >> 1;
|
|
voodoo->params.fogTable[addr].dfog = val & 0xff;
|
|
voodoo->params.fogTable[addr].fog = (val >> 8) & 0xff;
|
|
voodoo->params.fogTable[addr + 1].dfog = (val >> 16) & 0xff;
|
|
voodoo->params.fogTable[addr + 1].fog = (val >> 24) & 0xff;
|
|
break;
|
|
|
|
case SST_clipLeftRight1:
|
|
if (voodoo->type >= VOODOO_BANSHEE) {
|
|
voodoo->params.clipRight1 = val & 0xfff;
|
|
voodoo->params.clipLeft1 = (val >> 16) & 0xfff;
|
|
}
|
|
break;
|
|
case SST_clipTopBottom1:
|
|
if (voodoo->type >= VOODOO_BANSHEE) {
|
|
voodoo->params.clipHighY1 = val & 0xfff;
|
|
voodoo->params.clipLowY1 = (val >> 16) & 0xfff;
|
|
}
|
|
break;
|
|
|
|
case SST_colBufferAddr:
|
|
if (voodoo->type >= VOODOO_BANSHEE) {
|
|
voodoo->params.draw_offset = val & 0xfffff0;
|
|
voodoo->fb_write_offset = voodoo->params.draw_offset;
|
|
#if 0
|
|
voodoo_reg_log("colorBufferAddr=%06x\n", voodoo->params.draw_offset);
|
|
#endif
|
|
}
|
|
break;
|
|
case SST_colBufferStride:
|
|
if (voodoo->type >= VOODOO_BANSHEE) {
|
|
voodoo->col_tiled = val & (1 << 15);
|
|
voodoo->params.col_tiled = voodoo->col_tiled;
|
|
if (voodoo->col_tiled) {
|
|
voodoo->row_width = (val & 0x7f) * 128 * 32;
|
|
#if 0
|
|
voodoo_reg_log("colBufferStride tiled = %i bytes, tiled %08x\n", voodoo->row_width, val);
|
|
#endif
|
|
} else {
|
|
voodoo->row_width = val & 0x3fff;
|
|
#if 0
|
|
voodoo_reg_log("colBufferStride linear = %i bytes, linear\n", voodoo->row_width);
|
|
#endif
|
|
}
|
|
voodoo->params.row_width = voodoo->row_width;
|
|
}
|
|
break;
|
|
case SST_auxBufferAddr:
|
|
if (voodoo->type >= VOODOO_BANSHEE) {
|
|
voodoo->params.aux_offset = val & 0xfffff0;
|
|
#if 0
|
|
pclog("auxBufferAddr=%06x\n", voodoo->params.aux_offset);
|
|
#endif
|
|
}
|
|
break;
|
|
case SST_auxBufferStride:
|
|
if (voodoo->type >= VOODOO_BANSHEE) {
|
|
voodoo->aux_tiled = val & (1 << 15);
|
|
voodoo->params.aux_tiled = voodoo->aux_tiled;
|
|
if (voodoo->aux_tiled) {
|
|
voodoo->aux_row_width = (val & 0x7f) * 128 * 32;
|
|
#if 0
|
|
voodoo_reg_log("auxBufferStride tiled = %i bytes, tiled\n", voodoo->aux_row_width);
|
|
#endif
|
|
} else {
|
|
voodoo->aux_row_width = val & 0x3fff;
|
|
#if 0
|
|
voodoo_reg_log("auxBufferStride linear = %i bytes, linear\n", voodoo->aux_row_width);
|
|
#endif
|
|
}
|
|
voodoo->params.aux_row_width = voodoo->aux_row_width;
|
|
}
|
|
break;
|
|
|
|
case SST_clutData:
|
|
voodoo->clutData[(val >> 24) & 0x3f].b = val & 0xff;
|
|
voodoo->clutData[(val >> 24) & 0x3f].g = (val >> 8) & 0xff;
|
|
voodoo->clutData[(val >> 24) & 0x3f].r = (val >> 16) & 0xff;
|
|
if (val & 0x20000000) {
|
|
voodoo->clutData[(val >> 24) & 0x3f].b = 255;
|
|
voodoo->clutData[(val >> 24) & 0x3f].g = 255;
|
|
voodoo->clutData[(val >> 24) & 0x3f].r = 255;
|
|
}
|
|
voodoo->clutData_dirty = 1;
|
|
break;
|
|
|
|
case SST_sSetupMode:
|
|
voodoo->sSetupMode = val;
|
|
break;
|
|
case SST_sVx:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sVx = tempif.f;
|
|
#if 0
|
|
voodoo_reg_log("sVx[%i]=%f\n", voodoo->vertex_num, tempif.f);
|
|
#endif
|
|
break;
|
|
case SST_sVy:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sVy = tempif.f;
|
|
#if 0
|
|
voodoo_reg_log("sVy[%i]=%f\n", voodoo->vertex_num, tempif.f);
|
|
#endif
|
|
break;
|
|
case SST_sARGB:
|
|
voodoo->verts[3].sBlue = (float) (val & 0xff);
|
|
voodoo->verts[3].sGreen = (float) ((val >> 8) & 0xff);
|
|
voodoo->verts[3].sRed = (float) ((val >> 16) & 0xff);
|
|
voodoo->verts[3].sAlpha = (float) ((val >> 24) & 0xff);
|
|
break;
|
|
case SST_sRed:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sRed = tempif.f;
|
|
break;
|
|
case SST_sGreen:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sGreen = tempif.f;
|
|
break;
|
|
case SST_sBlue:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sBlue = tempif.f;
|
|
break;
|
|
case SST_sAlpha:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sAlpha = tempif.f;
|
|
break;
|
|
case SST_sVz:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sVz = tempif.f;
|
|
break;
|
|
case SST_sWb:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sWb = tempif.f;
|
|
break;
|
|
case SST_sW0:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sW0 = tempif.f;
|
|
break;
|
|
case SST_sS0:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sS0 = tempif.f;
|
|
break;
|
|
case SST_sT0:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sT0 = tempif.f;
|
|
break;
|
|
case SST_sW1:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sW1 = tempif.f;
|
|
break;
|
|
case SST_sS1:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sS1 = tempif.f;
|
|
break;
|
|
case SST_sT1:
|
|
tempif.i = val;
|
|
voodoo->verts[3].sT1 = tempif.f;
|
|
break;
|
|
|
|
case SST_sBeginTriCMD:
|
|
#if 0
|
|
voodoo_reg_log("sBeginTriCMD %i %f\n", voodoo->vertex_num, voodoo->verts[4].sVx);
|
|
#endif
|
|
voodoo->verts[0] = voodoo->verts[3];
|
|
voodoo->verts[1] = voodoo->verts[3];
|
|
voodoo->verts[2] = voodoo->verts[3];
|
|
voodoo->vertex_next_age = 0;
|
|
voodoo->vertex_ages[0] = voodoo->vertex_next_age++;
|
|
|
|
voodoo->num_verticies = 1;
|
|
voodoo->cull_pingpong = 0;
|
|
break;
|
|
case SST_sDrawTriCMD:
|
|
#if 0
|
|
voodoo_reg_log("sDrawTriCMD %i %i\n", voodoo->num_verticies, voodoo->sSetupMode & SETUPMODE_STRIP_MODE);
|
|
#endif
|
|
/*I'm not sure this is the vertex selection algorithm actually used in the 3dfx
|
|
chips, but this works with a number of games that switch between strip and fan
|
|
mode in the middle of a run (eg Black & White, Viper Racing)*/
|
|
if (voodoo->vertex_next_age < 3) {
|
|
/*Fewer than three vertices already written, store in next slot*/
|
|
int vertex_nr = voodoo->vertex_next_age;
|
|
|
|
voodoo->verts[vertex_nr] = voodoo->verts[3];
|
|
voodoo->vertex_ages[vertex_nr] = voodoo->vertex_next_age++;
|
|
} else {
|
|
int vertex_nr = 0;
|
|
|
|
if (!(voodoo->sSetupMode & SETUPMODE_STRIP_MODE)) {
|
|
/*Strip - find oldest vertex*/
|
|
if ((voodoo->vertex_ages[0] < voodoo->vertex_ages[1]) && (voodoo->vertex_ages[0] < voodoo->vertex_ages[2]))
|
|
vertex_nr = 0;
|
|
else if ((voodoo->vertex_ages[1] < voodoo->vertex_ages[0]) && (voodoo->vertex_ages[1] < voodoo->vertex_ages[2]))
|
|
vertex_nr = 1;
|
|
else
|
|
vertex_nr = 2;
|
|
} else {
|
|
/*Fan - find second oldest vertex (ie pivot around oldest)*/
|
|
if ((voodoo->vertex_ages[1] < voodoo->vertex_ages[0]) && (voodoo->vertex_ages[0] < voodoo->vertex_ages[2]))
|
|
vertex_nr = 0;
|
|
else if ((voodoo->vertex_ages[2] < voodoo->vertex_ages[0]) && (voodoo->vertex_ages[0] < voodoo->vertex_ages[1]))
|
|
vertex_nr = 0;
|
|
else if ((voodoo->vertex_ages[0] < voodoo->vertex_ages[1]) && (voodoo->vertex_ages[1] < voodoo->vertex_ages[2]))
|
|
vertex_nr = 1;
|
|
else if ((voodoo->vertex_ages[2] < voodoo->vertex_ages[1]) && (voodoo->vertex_ages[1] < voodoo->vertex_ages[0]))
|
|
vertex_nr = 1;
|
|
else
|
|
vertex_nr = 2;
|
|
}
|
|
voodoo->verts[vertex_nr] = voodoo->verts[3];
|
|
voodoo->vertex_ages[vertex_nr] = voodoo->vertex_next_age++;
|
|
}
|
|
|
|
voodoo->num_verticies++;
|
|
if (voodoo->num_verticies == 3) {
|
|
#if 0
|
|
voodoo_reg_log("triangle_setup\n");
|
|
#endif
|
|
voodoo_triangle_setup(voodoo);
|
|
voodoo->cull_pingpong = !voodoo->cull_pingpong;
|
|
|
|
voodoo->num_verticies = 2;
|
|
}
|
|
break;
|
|
|
|
case SST_bltSrcBaseAddr:
|
|
voodoo->bltSrcBaseAddr = val & 0x3fffff;
|
|
break;
|
|
case SST_bltDstBaseAddr:
|
|
#if 0
|
|
voodoo_reg_log("Write bltDstBaseAddr %08x\n", val);
|
|
#endif
|
|
voodoo->bltDstBaseAddr = val & 0x3fffff;
|
|
break;
|
|
case SST_bltXYStrides:
|
|
voodoo->bltSrcXYStride = val & 0xfff;
|
|
voodoo->bltDstXYStride = (val >> 16) & 0xfff;
|
|
// voodoo_reg_log("Write bltXYStrides %08x\n", val);
|
|
break;
|
|
case SST_bltSrcChromaRange:
|
|
voodoo->bltSrcChromaRange = val;
|
|
voodoo->bltSrcChromaMinB = val & 0x1f;
|
|
voodoo->bltSrcChromaMinG = (val >> 5) & 0x3f;
|
|
voodoo->bltSrcChromaMinR = (val >> 11) & 0x1f;
|
|
voodoo->bltSrcChromaMaxB = (val >> 16) & 0x1f;
|
|
voodoo->bltSrcChromaMaxG = (val >> 21) & 0x3f;
|
|
voodoo->bltSrcChromaMaxR = (val >> 27) & 0x1f;
|
|
break;
|
|
case SST_bltDstChromaRange:
|
|
voodoo->bltDstChromaRange = val;
|
|
voodoo->bltDstChromaMinB = val & 0x1f;
|
|
voodoo->bltDstChromaMinG = (val >> 5) & 0x3f;
|
|
voodoo->bltDstChromaMinR = (val >> 11) & 0x1f;
|
|
voodoo->bltDstChromaMaxB = (val >> 16) & 0x1f;
|
|
voodoo->bltDstChromaMaxG = (val >> 21) & 0x3f;
|
|
voodoo->bltDstChromaMaxR = (val >> 27) & 0x1f;
|
|
break;
|
|
case SST_bltClipX:
|
|
voodoo->bltClipRight = val & 0xfff;
|
|
voodoo->bltClipLeft = (val >> 16) & 0xfff;
|
|
break;
|
|
case SST_bltClipY:
|
|
voodoo->bltClipHighY = val & 0xfff;
|
|
voodoo->bltClipLowY = (val >> 16) & 0xfff;
|
|
break;
|
|
|
|
case SST_bltSrcXY:
|
|
voodoo->bltSrcX = val & 0x7ff;
|
|
voodoo->bltSrcY = (val >> 16) & 0x7ff;
|
|
break;
|
|
case SST_bltDstXY:
|
|
// voodoo_reg_log("Write bltDstXY %08x\n", val);
|
|
voodoo->bltDstX = val & 0x7ff;
|
|
voodoo->bltDstY = (val >> 16) & 0x7ff;
|
|
if (val & (1 << 31))
|
|
voodoo_v2_blit_start(voodoo);
|
|
break;
|
|
case SST_bltSize:
|
|
// voodoo_reg_log("Write bltSize %08x\n", val);
|
|
voodoo->bltSizeX = val & 0xfff;
|
|
if (voodoo->bltSizeX & 0x800)
|
|
voodoo->bltSizeX |= 0xfffff000;
|
|
voodoo->bltSizeY = (val >> 16) & 0xfff;
|
|
if (voodoo->bltSizeY & 0x800)
|
|
voodoo->bltSizeY |= 0xfffff000;
|
|
if (val & (1 << 31))
|
|
voodoo_v2_blit_start(voodoo);
|
|
break;
|
|
case SST_bltRop:
|
|
voodoo->bltRop[0] = val & 0xf;
|
|
voodoo->bltRop[1] = (val >> 4) & 0xf;
|
|
voodoo->bltRop[2] = (val >> 8) & 0xf;
|
|
voodoo->bltRop[3] = (val >> 12) & 0xf;
|
|
break;
|
|
case SST_bltColor:
|
|
// voodoo_reg_log("Write bltColor %08x\n", val);
|
|
voodoo->bltColorFg = val & 0xffff;
|
|
voodoo->bltColorBg = (val >> 16) & 0xffff;
|
|
break;
|
|
|
|
case SST_bltCommand:
|
|
voodoo->bltCommand = val;
|
|
// voodoo_reg_log("Write bltCommand %08x\n", val);
|
|
if (val & (1 << 31))
|
|
voodoo_v2_blit_start(voodoo);
|
|
break;
|
|
case SST_bltData:
|
|
voodoo_v2_blit_data(voodoo, val);
|
|
break;
|
|
|
|
case SST_textureMode:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->params.textureMode[0] = val;
|
|
voodoo->params.tformat[0] = (val >> 8) & 0xf;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->params.textureMode[1] = val;
|
|
voodoo->params.tformat[1] = (val >> 8) & 0xf;
|
|
}
|
|
break;
|
|
case SST_tLOD:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->params.tLOD[0] = val;
|
|
voodoo_recalc_tex(voodoo, 0);
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->params.tLOD[1] = val;
|
|
voodoo_recalc_tex(voodoo, 1);
|
|
}
|
|
break;
|
|
case SST_tDetail:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->params.detail_max[0] = val & 0xff;
|
|
voodoo->params.detail_bias[0] = (val >> 8) & 0x3f;
|
|
voodoo->params.detail_scale[0] = (val >> 14) & 7;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->params.detail_max[1] = val & 0xff;
|
|
voodoo->params.detail_bias[1] = (val >> 8) & 0x3f;
|
|
voodoo->params.detail_scale[1] = (val >> 14) & 7;
|
|
}
|
|
break;
|
|
case SST_texBaseAddr:
|
|
if (chip & CHIP_TREX0) {
|
|
if (voodoo->type >= VOODOO_BANSHEE)
|
|
voodoo->params.texBaseAddr[0] = val & 0xfffff0;
|
|
else
|
|
voodoo->params.texBaseAddr[0] = (val & 0x7ffff) << 3;
|
|
#if 0
|
|
voodoo_reg_log("texBaseAddr = %08x %08x\n", voodoo->params.texBaseAddr[0], val);
|
|
#endif
|
|
voodoo_recalc_tex(voodoo, 0);
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
if (voodoo->type >= VOODOO_BANSHEE)
|
|
voodoo->params.texBaseAddr[1] = val & 0xfffff0;
|
|
else
|
|
voodoo->params.texBaseAddr[1] = (val & 0x7ffff) << 3;
|
|
voodoo_recalc_tex(voodoo, 1);
|
|
}
|
|
break;
|
|
case SST_texBaseAddr1:
|
|
if (chip & CHIP_TREX0) {
|
|
if (voodoo->type >= VOODOO_BANSHEE)
|
|
voodoo->params.texBaseAddr1[0] = val & 0xfffff0;
|
|
else
|
|
voodoo->params.texBaseAddr1[0] = (val & 0x7ffff) << 3;
|
|
voodoo_recalc_tex(voodoo, 0);
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
if (voodoo->type >= VOODOO_BANSHEE)
|
|
voodoo->params.texBaseAddr1[1] = val & 0xfffff0;
|
|
else
|
|
voodoo->params.texBaseAddr1[1] = (val & 0x7ffff) << 3;
|
|
voodoo_recalc_tex(voodoo, 1);
|
|
}
|
|
break;
|
|
case SST_texBaseAddr2:
|
|
if (chip & CHIP_TREX0) {
|
|
if (voodoo->type >= VOODOO_BANSHEE)
|
|
voodoo->params.texBaseAddr2[0] = val & 0xfffff0;
|
|
else
|
|
voodoo->params.texBaseAddr2[0] = (val & 0x7ffff) << 3;
|
|
voodoo_recalc_tex(voodoo, 0);
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
if (voodoo->type >= VOODOO_BANSHEE)
|
|
voodoo->params.texBaseAddr2[1] = val & 0xfffff0;
|
|
else
|
|
voodoo->params.texBaseAddr2[1] = (val & 0x7ffff) << 3;
|
|
voodoo_recalc_tex(voodoo, 1);
|
|
}
|
|
break;
|
|
case SST_texBaseAddr38:
|
|
if (chip & CHIP_TREX0) {
|
|
if (voodoo->type >= VOODOO_BANSHEE)
|
|
voodoo->params.texBaseAddr38[0] = val & 0xfffff0;
|
|
else
|
|
voodoo->params.texBaseAddr38[0] = (val & 0x7ffff) << 3;
|
|
voodoo_recalc_tex(voodoo, 0);
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
if (voodoo->type >= VOODOO_BANSHEE)
|
|
voodoo->params.texBaseAddr38[1] = val & 0xfffff0;
|
|
else
|
|
voodoo->params.texBaseAddr38[1] = (val & 0x7ffff) << 3;
|
|
voodoo_recalc_tex(voodoo, 1);
|
|
}
|
|
break;
|
|
|
|
case SST_trexInit1:
|
|
if (chip & CHIP_TREX0)
|
|
voodoo->trexInit1[0] = val;
|
|
if (chip & CHIP_TREX1)
|
|
voodoo->trexInit1[1] = val;
|
|
break;
|
|
|
|
case SST_nccTable0_Y0:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].y[0] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].y[0] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable0_Y1:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].y[1] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].y[1] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable0_Y2:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].y[2] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].y[2] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable0_Y3:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].y[3] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].y[3] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
|
|
case SST_nccTable0_I0:
|
|
if (!(val & (1 << 31))) {
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].i[0] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].i[0] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
}
|
|
fallthrough;
|
|
case SST_nccTable0_I2:
|
|
if (!(val & (1 << 31))) {
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].i[2] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].i[2] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
}
|
|
case SST_nccTable0_Q0:
|
|
if (!(val & (1 << 31))) {
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].q[0] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].q[0] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
}
|
|
case SST_nccTable0_Q2:
|
|
if (!(val & (1 << 31))) {
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].i[2] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].i[2] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
}
|
|
if (val & (1 << 31)) {
|
|
int p = (val >> 23) & 0xfe;
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->palette[0][p].u = val | 0xff000000;
|
|
voodoo->palette_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->palette[1][p].u = val | 0xff000000;
|
|
voodoo->palette_dirty[1] = 1;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SST_nccTable0_I1:
|
|
if (!(val & (1 << 31))) {
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].i[1] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].i[1] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
}
|
|
case SST_nccTable0_I3:
|
|
if (!(val & (1 << 31))) {
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].i[3] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].i[3] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
}
|
|
case SST_nccTable0_Q1:
|
|
if (!(val & (1 << 31))) {
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].q[1] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].q[1] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
}
|
|
case SST_nccTable0_Q3:
|
|
if (!(val & (1 << 31))) {
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][0].q[3] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][0].q[3] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
}
|
|
if (val & (1 << 31)) {
|
|
int p = ((val >> 23) & 0xfe) | 0x01;
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->palette[0][p].u = val | 0xff000000;
|
|
voodoo->palette_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->palette[1][p].u = val | 0xff000000;
|
|
voodoo->palette_dirty[1] = 1;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SST_nccTable1_Y0:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].y[0] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].y[0] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_Y1:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].y[1] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].y[1] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_Y2:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].y[2] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].y[2] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_Y3:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].y[3] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].y[3] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_I0:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].i[0] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].i[0] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_I1:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].i[1] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].i[1] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_I2:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].i[2] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].i[2] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_I3:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].i[3] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].i[3] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_Q0:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].q[0] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].q[0] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_Q1:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].q[1] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].q[1] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_Q2:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].q[2] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].q[2] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
case SST_nccTable1_Q3:
|
|
if (chip & CHIP_TREX0) {
|
|
voodoo->nccTable[0][1].q[3] = val;
|
|
voodoo->ncc_dirty[0] = 1;
|
|
}
|
|
if (chip & CHIP_TREX1) {
|
|
voodoo->nccTable[1][1].q[3] = val;
|
|
voodoo->ncc_dirty[1] = 1;
|
|
}
|
|
break;
|
|
|
|
case SST_userIntrCMD:
|
|
fatal("userIntrCMD write %08x from FIFO\n", val);
|
|
break;
|
|
|
|
case SST_leftOverlayBuf:
|
|
voodoo->leftOverlayBuf = val;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|