703 lines
25 KiB
C++
703 lines
25 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2012-2014 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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/////////////////////////////////////////////////////////////////////////
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/*
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* Portion of this software comes with the following license
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*/
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/***************************************************************************
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Copyright Aaron Giles
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name 'MAME' nor the names of its contributors may be
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used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***************************************************************************/
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// 3dfx Voodoo Graphics (SST-1/2) emulation (based on a patch for DOSBox)
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// Define BX_PLUGGABLE in files that can be compiled into plugins. For
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// platforms that require a special tag on exported symbols, BX_PLUGGABLE
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// is used to know when we are exporting symbols and when we are importing.
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#define BX_PLUGGABLE
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#include "iodev.h"
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#if BX_SUPPORT_PCI && BX_SUPPORT_VOODOO
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#include "pci.h"
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#include "vgacore.h"
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#include "voodoo.h"
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#include "virt_timer.h"
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#define LOG_THIS theVoodooDevice->
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bx_voodoo_c* theVoodooDevice = NULL;
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#include "voodoo_types.h"
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#include "voodoo_data.h"
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#include "voodoo_main.h"
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voodoo_state *v;
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#include "voodoo_func.h"
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// builtin configuration handling functions
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void voodoo_init_options(void)
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{
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static const char *voodoo_model_list[] = {
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"voodoo1",
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"voodoo2",
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NULL
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};
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bx_param_c *display = SIM->get_param("display");
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bx_list_c *menu = new bx_list_c(display, "voodoo", "Voodoo Graphics");
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menu->set_options(menu->SHOW_PARENT);
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bx_param_bool_c *enabled = new bx_param_bool_c(menu,
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"enabled",
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"Enable Voodoo Graphics emulation",
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"Enables the 3dfx Voodoo Graphics emulation",
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1);
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new bx_param_enum_c(menu,
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"model",
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"Voodoo model",
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"Selects the Voodoo model to emulate.",
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voodoo_model_list,
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VOODOO_1, VOODOO_1);
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enabled->set_dependent_list(menu->clone());
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}
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Bit32s voodoo_options_parser(const char *context, int num_params, char *params[])
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{
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if (!strcmp(params[0], "voodoo")) {
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bx_list_c *base = (bx_list_c*) SIM->get_param(BXPN_VOODOO);
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for (int i = 1; i < num_params; i++) {
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if (SIM->parse_param_from_list(context, params[i], base) < 0) {
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BX_ERROR(("%s: unknown parameter for voodoo ignored.", context));
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}
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}
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} else {
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BX_PANIC(("%s: unknown directive '%s'", context, params[0]));
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}
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return 0;
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}
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Bit32s voodoo_options_save(FILE *fp)
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{
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return SIM->write_param_list(fp, (bx_list_c*) SIM->get_param(BXPN_VOODOO), NULL, 0);
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}
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// device plugin entry points
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int CDECL libvoodoo_LTX_plugin_init(plugin_t *plugin, plugintype_t type, int argc, char *argv[])
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{
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theVoodooDevice = new bx_voodoo_c();
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BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theVoodooDevice, BX_PLUGIN_VOODOO);
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// add new configuration parameter for the config interface
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voodoo_init_options();
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// register add-on option for bochsrc and command line
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SIM->register_addon_option("voodoo", voodoo_options_parser, voodoo_options_save);
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return 0; // Success
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}
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void CDECL libvoodoo_LTX_plugin_fini(void)
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{
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SIM->unregister_addon_option("voodoo");
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bx_list_c *menu = (bx_list_c*)SIM->get_param("display");
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menu->remove("voodoo");
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delete theVoodooDevice;
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}
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// the device object
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bx_voodoo_c::bx_voodoo_c()
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{
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put("VOODOO");
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s.mode_change_timer_id = BX_NULL_TIMER_HANDLE;
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s.update_timer_id = BX_NULL_TIMER_HANDLE;
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v = NULL;
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}
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bx_voodoo_c::~bx_voodoo_c()
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{
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if (v != NULL) {
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free(v->fbi.ram);
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free(v->tmu[0].ram);
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free(v->tmu[1].ram);
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delete v;
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}
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BX_DEBUG(("Exit"));
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}
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void bx_voodoo_c::init(void)
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{
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// Read in values from config interface
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bx_list_c *base = (bx_list_c*) SIM->get_param(BXPN_VOODOO);
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// Check if the device is disabled or not configured
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if (!SIM->get_param_bool("enabled", base)->get()) {
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BX_INFO(("Voodoo disabled"));
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// mark unused plugin for removal
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((bx_param_bool_c*)((bx_list_c*)SIM->get_param(BXPN_PLUGIN_CTRL))->get_by_name("voodoo"))->set(0);
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return;
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}
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BX_VOODOO_THIS s.devfunc = 0x00;
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DEV_register_pci_handlers(this, &BX_VOODOO_THIS s.devfunc, BX_PLUGIN_VOODOO,
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"Experimental 3dfx Voodoo Graphics (SST-1/2)");
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if (BX_VOODOO_THIS s.mode_change_timer_id == BX_NULL_TIMER_HANDLE) {
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BX_VOODOO_THIS s.mode_change_timer_id = bx_virt_timer.register_timer(this, mode_change_timer_handler,
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1000, 0, 0, "voodoo_mode_change");
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}
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if (BX_VOODOO_THIS s.update_timer_id == BX_NULL_TIMER_HANDLE) {
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BX_VOODOO_THIS s.update_timer_id = bx_virt_timer.register_timer(this, update_timer_handler,
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50000, 1, 0, "voodoo_update");
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}
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BX_VOODOO_THIS s.vdraw.clock_enabled = 1;
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BX_VOODOO_THIS s.vdraw.output_on = 0;
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BX_VOODOO_THIS s.vdraw.override_on = 0;
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BX_VOODOO_THIS s.vdraw.screen_update_pending = 0;
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v = new voodoo_state;
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Bit8u model = (Bit8u)SIM->get_param_enum("model", base)->get();
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if (model == VOODOO_2) {
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init_pci_conf(0x121a, 0x0002, 0x02, 0x038000, 0x00);
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BX_VOODOO_THIS pci_conf[0x10] = 0x08;
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} else {
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init_pci_conf(0x121a, 0x0001, 0x02, 0x000000, 0x00);
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}
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BX_VOODOO_THIS pci_conf[0x3d] = BX_PCI_INTA;
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BX_VOODOO_THIS pci_base_address[0] = 0;
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voodoo_init(model);
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BX_INFO(("3dfx Voodoo Graphics adapter (model=%s) initialized",
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SIM->get_param_enum("model", base)->get_selected()));
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}
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void bx_voodoo_c::reset(unsigned type)
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{
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unsigned i;
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static const struct reset_vals_t {
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unsigned addr;
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unsigned char val;
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} reset_vals[] = {
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{ 0x04, 0x00 }, { 0x05, 0x00 }, // command io / memory
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{ 0x06, 0x00 }, { 0x07, 0x00 }, // status
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// address space 0x10 - 0x13
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{ 0x11, 0x00 },
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{ 0x12, 0x00 }, { 0x13, 0x00 },
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{ 0x3c, 0x00 }, // IRQ
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// initEnable
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{ 0x40, 0x00 }, { 0x41, 0x00 },
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{ 0x42, 0x00 }, { 0x43, 0x00 },
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// busSnoop0
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{ 0x44, 0x00 }, { 0x45, 0x00 },
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{ 0x46, 0x00 }, { 0x47, 0x00 },
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// busSnoop1
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{ 0x48, 0x00 }, { 0x49, 0x00 },
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{ 0x4a, 0x00 }, { 0x4b, 0x00 },
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};
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for (i = 0; i < sizeof(reset_vals) / sizeof(*reset_vals); ++i) {
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BX_VOODOO_THIS pci_conf[reset_vals[i].addr] = reset_vals[i].val;
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}
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v->pci.init_enable = 0x00;
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// Deassert IRQ
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set_irq_level(0);
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}
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void bx_voodoo_c::register_state(void)
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{
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char name[8];
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int i, j, k;
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bx_list_c *list = new bx_list_c(SIM->get_bochs_root(), "voodoo", "Voodoo State");
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bx_list_c *vstate = new bx_list_c(list, "vstate", "Voodoo Device State");
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new bx_shadow_data_c(vstate, "reg", (Bit8u*)v->reg, sizeof(v->reg));
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new bx_shadow_num_c(vstate, "alt_regmap", &v->alt_regmap);
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new bx_shadow_num_c(vstate, "pci_init_enable", &v->pci.init_enable, BASE_HEX);
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bx_list_c *dac = new bx_list_c(vstate, "dac", "DAC");
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for (i = 0; i < 8; i++) {
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sprintf(name, "reg%d", i);
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new bx_shadow_num_c(dac, name, &v->dac.reg[i], BASE_HEX);
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}
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new bx_shadow_num_c(dac, "read_result", &v->dac.read_result, BASE_HEX);
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bx_list_c *fbi = new bx_list_c(vstate, "fbi", "framebuffer");
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new bx_shadow_data_c(fbi, "ram", v->fbi.ram, (4 << 20));
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new bx_shadow_num_c(fbi, "rgboffs0", &v->fbi.rgboffs[0], BASE_HEX);
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new bx_shadow_num_c(fbi, "rgboffs1", &v->fbi.rgboffs[1], BASE_HEX);
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new bx_shadow_num_c(fbi, "rgboffs2", &v->fbi.rgboffs[2], BASE_HEX);
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new bx_shadow_num_c(fbi, "auxoffs", &v->fbi.auxoffs, BASE_HEX);
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new bx_shadow_num_c(fbi, "frontbuf", &v->fbi.frontbuf);
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new bx_shadow_num_c(fbi, "backbuf", &v->fbi.backbuf);
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new bx_shadow_num_c(fbi, "swaps_pending", &v->fbi.swaps_pending);
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new bx_shadow_num_c(fbi, "yorigin", &v->fbi.yorigin);
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new bx_shadow_num_c(fbi, "width", &v->fbi.width);
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new bx_shadow_num_c(fbi, "height", &v->fbi.height);
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new bx_shadow_num_c(fbi, "rowpixels", &v->fbi.rowpixels);
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new bx_shadow_num_c(fbi, "vblank", &v->fbi.vblank);
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new bx_shadow_num_c(fbi, "vblank_count", &v->fbi.vblank_count);
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new bx_shadow_bool_c(fbi, "vblank_swap_pending", &v->fbi.vblank_swap_pending);
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new bx_shadow_num_c(fbi, "vblank_swap", &v->fbi.vblank_swap);
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new bx_shadow_num_c(fbi, "vblank_dont_swap", &v->fbi.vblank_dont_swap);
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new bx_shadow_bool_c(fbi, "cheating_allowed", &v->fbi.cheating_allowed);
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new bx_shadow_num_c(fbi, "sign", &v->fbi.sign);
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new bx_shadow_num_c(fbi, "ax", &v->fbi.ax);
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new bx_shadow_num_c(fbi, "ay", &v->fbi.ay);
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new bx_shadow_num_c(fbi, "bx", &v->fbi.bx);
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new bx_shadow_num_c(fbi, "by", &v->fbi.by);
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new bx_shadow_num_c(fbi, "cx", &v->fbi.cx);
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new bx_shadow_num_c(fbi, "cy", &v->fbi.cy);
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new bx_shadow_num_c(fbi, "startr", &v->fbi.startr);
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new bx_shadow_num_c(fbi, "startg", &v->fbi.startg);
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new bx_shadow_num_c(fbi, "startb", &v->fbi.startb);
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new bx_shadow_num_c(fbi, "starta", &v->fbi.starta);
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new bx_shadow_num_c(fbi, "startz", &v->fbi.startz);
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new bx_shadow_num_c(fbi, "startw", &v->fbi.startw);
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new bx_shadow_num_c(fbi, "drdx", &v->fbi.drdx);
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new bx_shadow_num_c(fbi, "dgdx", &v->fbi.dgdx);
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new bx_shadow_num_c(fbi, "dbdx", &v->fbi.dbdx);
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new bx_shadow_num_c(fbi, "dadx", &v->fbi.dadx);
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new bx_shadow_num_c(fbi, "dzdx", &v->fbi.dzdx);
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new bx_shadow_num_c(fbi, "dwdx", &v->fbi.dwdx);
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new bx_shadow_num_c(fbi, "drdy", &v->fbi.drdy);
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new bx_shadow_num_c(fbi, "dgdy", &v->fbi.dgdy);
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new bx_shadow_num_c(fbi, "dbdy", &v->fbi.dbdy);
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new bx_shadow_num_c(fbi, "dady", &v->fbi.dady);
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new bx_shadow_num_c(fbi, "dzdy", &v->fbi.dzdy);
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new bx_shadow_num_c(fbi, "dwdy", &v->fbi.dwdy);
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bx_list_c *fogblend = new bx_list_c(fbi, "fogblend", "");
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for (i = 0; i < 64; i++) {
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sprintf(name, "%d", i);
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new bx_shadow_num_c(fogblend, name, &v->fbi.fogblend[i]);
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}
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bx_list_c *fogdelta = new bx_list_c(fbi, "fogdelta", "");
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for (i = 0; i < 64; i++) {
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sprintf(name, "%d", i);
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new bx_shadow_num_c(fogdelta, name, &v->fbi.fogdelta[i]);
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}
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new bx_shadow_data_c(fbi, "clut", (Bit8u*)v->fbi.clut, sizeof(v->fbi.clut));
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new bx_shadow_bool_c(fbi, "clut_dirty", &v->fbi.clut_dirty);
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bx_list_c *tmu = new bx_list_c(vstate, "tmu", "textures");
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for (i = 0; i < MAX_TMU; i++) {
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sprintf(name, "%d", i);
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bx_list_c *num = new bx_list_c(tmu, name, "");
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new bx_shadow_data_c(num, "ram", v->tmu[i].ram, (4 << 20));
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new bx_shadow_bool_c(num, "regdirty", &v->tmu[i].regdirty);
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new bx_shadow_num_c(num, "starts", &v->tmu[i].starts);
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new bx_shadow_num_c(num, "startt", &v->tmu[i].startt);
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new bx_shadow_num_c(num, "startw", &v->tmu[i].startw);
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new bx_shadow_num_c(num, "dsdx", &v->tmu[i].dsdx);
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new bx_shadow_num_c(num, "dtdx", &v->tmu[i].dtdx);
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new bx_shadow_num_c(num, "dwdx", &v->tmu[i].dwdx);
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new bx_shadow_num_c(num, "dsdy", &v->tmu[i].dsdy);
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new bx_shadow_num_c(num, "dtdy", &v->tmu[i].dtdy);
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new bx_shadow_num_c(num, "dwdy", &v->tmu[i].dwdy);
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new bx_shadow_num_c(num, "lodmin", &v->tmu[i].lodmin);
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new bx_shadow_num_c(num, "lodmax", &v->tmu[i].lodmax);
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new bx_shadow_num_c(num, "lodbias", &v->tmu[i].lodbias);
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new bx_shadow_num_c(num, "lodmask", &v->tmu[i].lodmask);
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bx_list_c *lodoffs = new bx_list_c(num, "lodoffset", "");
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for (j = 0; j < 9; j++) {
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sprintf(name, "%d", j);
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new bx_shadow_num_c(lodoffs, name, &v->tmu[i].lodoffset[j]);
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}
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new bx_shadow_num_c(num, "detailmax", &v->tmu[i].detailmax);
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new bx_shadow_num_c(num, "detailbias", &v->tmu[i].detailbias);
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new bx_shadow_num_c(num, "wmask", &v->tmu[i].wmask);
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new bx_shadow_num_c(num, "hmask", &v->tmu[i].hmask);
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bx_list_c *ncc = new bx_list_c(num, "ncc", "");
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for (j = 0; j < 2; j++) {
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sprintf(name, "%d", j);
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bx_list_c *ncct = new bx_list_c(ncc, name, "");
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new bx_shadow_bool_c(ncct, "dirty", &v->tmu[i].ncc[j].dirty);
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bx_list_c *ir = new bx_list_c(ncct, "ir", "");
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bx_list_c *ig = new bx_list_c(ncct, "ig", "");
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bx_list_c *ib = new bx_list_c(ncct, "ib", "");
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bx_list_c *qr = new bx_list_c(ncct, "qr", "");
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bx_list_c *qg = new bx_list_c(ncct, "qg", "");
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bx_list_c *qb = new bx_list_c(ncct, "qb", "");
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for (k = 0; k < 4; k++) {
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sprintf(name, "%d", k);
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new bx_shadow_num_c(ir, name, &v->tmu[i].ncc[j].ir[k]);
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new bx_shadow_num_c(ig, name, &v->tmu[i].ncc[j].ig[k]);
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new bx_shadow_num_c(ib, name, &v->tmu[i].ncc[j].ib[k]);
|
|
new bx_shadow_num_c(qr, name, &v->tmu[i].ncc[j].qr[k]);
|
|
new bx_shadow_num_c(qg, name, &v->tmu[i].ncc[j].qg[k]);
|
|
new bx_shadow_num_c(qb, name, &v->tmu[i].ncc[j].qb[k]);
|
|
}
|
|
bx_list_c *y = new bx_list_c(ncct, "y", "");
|
|
for (k = 0; k < 16; k++) {
|
|
sprintf(name, "%d", k);
|
|
new bx_shadow_num_c(y, name, &v->tmu[i].ncc[j].y[k]);
|
|
}
|
|
new bx_shadow_data_c(ncct, "texel", (Bit8u*)v->tmu[i].ncc[j].texel, 256 * sizeof(rgb_t));
|
|
}
|
|
new bx_shadow_data_c(num, "palette", (Bit8u*)v->tmu[i].palette, 256 * sizeof(rgb_t));
|
|
new bx_shadow_data_c(num, "palettea", (Bit8u*)v->tmu[i].palettea, 256 * sizeof(rgb_t));
|
|
}
|
|
new bx_shadow_num_c(vstate, "send_config", &v->send_config);
|
|
bx_list_c *vdraw = new bx_list_c(list, "vdraw", "Voodoo Draw State");
|
|
new bx_shadow_bool_c(vdraw, "clock_enabled", &BX_VOODOO_THIS s.vdraw.clock_enabled);
|
|
new bx_shadow_bool_c(vdraw, "output_on", &BX_VOODOO_THIS s.vdraw.output_on);
|
|
new bx_shadow_bool_c(vdraw, "override_on", &BX_VOODOO_THIS s.vdraw.override_on);
|
|
|
|
register_pci_state(list);
|
|
}
|
|
|
|
void bx_voodoo_c::after_restore_state(void)
|
|
{
|
|
if (DEV_pci_set_base_mem(BX_VOODOO_THIS_PTR, mem_read_handler, mem_write_handler,
|
|
&BX_VOODOO_THIS pci_base_address[0],
|
|
&BX_VOODOO_THIS pci_conf[0x10],
|
|
0x1000000)) {
|
|
BX_INFO(("new mem base address: 0x%08x", BX_VOODOO_THIS pci_base_address[0]));
|
|
}
|
|
// force update
|
|
v->fbi.video_changed = 1;
|
|
BX_VOODOO_THIS s.vdraw.override_on = !BX_VOODOO_THIS s.vdraw.override_on;
|
|
BX_VOODOO_THIS s.vdraw.frame_start = bx_pc_system.time_usec();
|
|
mode_change_timer_handler(NULL);
|
|
}
|
|
|
|
bx_bool bx_voodoo_c::mem_read_handler(bx_phy_address addr, unsigned len,
|
|
void *data, void *param)
|
|
{
|
|
Bit32u *data_ptr = (Bit32u*)data;
|
|
|
|
*data_ptr = voodoo_r((addr>>2) & 0x3FFFFF);
|
|
return 1;
|
|
}
|
|
|
|
bx_bool bx_voodoo_c::mem_write_handler(bx_phy_address addr, unsigned len,
|
|
void *data, void *param)
|
|
{
|
|
Bit32u val = *(Bit32u*)data;
|
|
|
|
if (len == 4) {
|
|
voodoo_w((addr>>2) & 0x3FFFFF, val, 0xffffffff);
|
|
} else if (len == 2) {
|
|
if (addr & 3) {
|
|
voodoo_w((addr>>2) & 0x3FFFFF, val<<16, 0xffff0000);
|
|
} else {
|
|
voodoo_w((addr>>2) & 0x3FFFFF, val, 0x0000ffff);
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void bx_voodoo_c::mode_change_timer_handler(void *this_ptr)
|
|
{
|
|
UNUSED(this_ptr);
|
|
BX_VOODOO_THIS s.vdraw.screen_update_pending = 0;
|
|
|
|
if ((!BX_VOODOO_THIS s.vdraw.clock_enabled || !BX_VOODOO_THIS s.vdraw.output_on) && BX_VOODOO_THIS s.vdraw.override_on) {
|
|
// switching off
|
|
bx_virt_timer.deactivate_timer(BX_VOODOO_THIS s.update_timer_id);
|
|
DEV_vga_set_override(0, NULL);
|
|
BX_VOODOO_THIS s.vdraw.override_on = 0;
|
|
BX_VOODOO_THIS s.vdraw.width = 0;
|
|
BX_VOODOO_THIS s.vdraw.height = 0;
|
|
}
|
|
|
|
if ((BX_VOODOO_THIS s.vdraw.clock_enabled && BX_VOODOO_THIS s.vdraw.output_on) && !BX_VOODOO_THIS s.vdraw.override_on) {
|
|
// switching on
|
|
if (!BX_VOODOO_THIS update_timing())
|
|
return;
|
|
DEV_vga_set_override(1, BX_VOODOO_THIS_PTR);
|
|
BX_VOODOO_THIS s.vdraw.override_on = 1;
|
|
}
|
|
}
|
|
|
|
bx_bool bx_voodoo_c::update_timing(void)
|
|
{
|
|
if (!BX_VOODOO_THIS s.vdraw.clock_enabled || !BX_VOODOO_THIS s.vdraw.output_on)
|
|
return 0;
|
|
if ((v->reg[hSync].u == 0) || (v->reg[vSync].u == 0))
|
|
return 0;
|
|
int htotal = ((v->reg[hSync].u >> 16) & 0x3ff) + 1 + (v->reg[hSync].u & 0xff) + 1;
|
|
int vtotal = ((v->reg[vSync].u >> 16) & 0xfff) + (v->reg[vSync].u & 0xfff);
|
|
int vsync = ((v->reg[vSync].u >> 16) & 0xfff);
|
|
double hfreq = (double)(v->dac.clk0_freq * 1000) / htotal;
|
|
if (((v->reg[fbiInit1].u >> 20) & 3) == 1) { // VCLK div 2
|
|
hfreq /= 2;
|
|
}
|
|
double vfreq = hfreq / (double)vtotal;
|
|
BX_VOODOO_THIS s.vdraw.vtotal_usec = (unsigned)(1000000.0 / vfreq);
|
|
BX_VOODOO_THIS s.vdraw.htotal_usec = (unsigned)(1000000.0 / hfreq);
|
|
BX_VOODOO_THIS s.vdraw.vsync_usec = vsync * BX_VOODOO_THIS s.vdraw.htotal_usec;
|
|
if ((BX_VOODOO_THIS s.vdraw.width != v->fbi.width) ||
|
|
(BX_VOODOO_THIS s.vdraw.height != v->fbi.height)) {
|
|
BX_VOODOO_THIS s.vdraw.width = v->fbi.width;
|
|
BX_VOODOO_THIS s.vdraw.height = v->fbi.height;
|
|
bx_gui->dimension_update(v->fbi.width, v->fbi.height, 0, 0, 16);
|
|
update_timer_handler(NULL);
|
|
}
|
|
BX_INFO(("Voodoo output %dx%d@%uHz", v->fbi.width, v->fbi.height, (unsigned)vfreq));
|
|
bx_virt_timer.activate_timer(BX_VOODOO_THIS s.update_timer_id, (Bit32u)BX_VOODOO_THIS s.vdraw.vtotal_usec, 1);
|
|
return 1;
|
|
}
|
|
|
|
void bx_voodoo_c::refresh_display(void *this_ptr, bx_bool redraw)
|
|
{
|
|
if (redraw) {
|
|
redraw_area(0, 0, v->fbi.width, v->fbi.height);
|
|
}
|
|
update_timer_handler(this_ptr);
|
|
}
|
|
|
|
void bx_voodoo_c::update_timer_handler(void *this_ptr)
|
|
{
|
|
UNUSED(this_ptr);
|
|
|
|
update();
|
|
bx_gui->flush();
|
|
}
|
|
|
|
void bx_voodoo_c::update(void)
|
|
{
|
|
unsigned pitch;
|
|
unsigned xc, yc, xti, yti;
|
|
unsigned r, c, w, h;
|
|
int i;
|
|
unsigned long colour;
|
|
Bit8u * vid_ptr, * vid_ptr2;
|
|
Bit8u * tile_ptr, * tile_ptr2;
|
|
bx_svga_tileinfo_t info;
|
|
|
|
BX_VOODOO_THIS s.vdraw.frame_start = bx_pc_system.time_usec();
|
|
|
|
if (v->fbi.vblank_swap_pending) {
|
|
swap_buffers(v);
|
|
}
|
|
|
|
rectangle re;
|
|
re.min_x = re.min_y = 0;
|
|
re.max_x = v->fbi.width;
|
|
re.max_y = v->fbi.height;
|
|
if (!voodoo_update(&re))
|
|
return;
|
|
|
|
Bit8u *disp_ptr = (Bit8u*)(v->fbi.ram + v->fbi.rgboffs[v->fbi.frontbuf]);
|
|
pitch = v->fbi.rowpixels * 2;
|
|
|
|
if (bx_gui->graphics_tile_info_common(&info)) {
|
|
if (info.snapshot_mode) {
|
|
vid_ptr = disp_ptr;
|
|
tile_ptr = bx_gui->get_snapshot_buffer();
|
|
if (tile_ptr != NULL) {
|
|
for (yc = 0; yc < BX_VOODOO_THIS s.vdraw.height; yc++) {
|
|
memcpy(tile_ptr, vid_ptr, info.pitch);
|
|
vid_ptr += pitch;
|
|
tile_ptr += info.pitch;
|
|
}
|
|
}
|
|
} else if (info.is_indexed) {
|
|
BX_ERROR(("current guest pixel format is unsupported on indexed colour host displays"));
|
|
} else {
|
|
for (yc=0, yti = 0; yc<BX_VOODOO_THIS s.vdraw.height; yc+=Y_TILESIZE, yti++) {
|
|
for (xc=0, xti = 0; xc<BX_VOODOO_THIS s.vdraw.width; xc+=X_TILESIZE, xti++) {
|
|
vid_ptr = disp_ptr + (yc * pitch + (xc<<1));
|
|
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
|
|
for (r=0; r<h; r++) {
|
|
vid_ptr2 = vid_ptr;
|
|
tile_ptr2 = tile_ptr;
|
|
for (c=0; c<w; c++) {
|
|
colour = *(vid_ptr2++);
|
|
colour |= *(vid_ptr2++) << 8;
|
|
colour = MAKE_COLOUR(
|
|
colour & 0x001f, 5, info.blue_shift, info.blue_mask,
|
|
colour & 0x07e0, 11, info.green_shift, info.green_mask,
|
|
colour & 0xf800, 16, info.red_shift, info.red_mask);
|
|
if (info.is_little_endian) {
|
|
for (i=0; i<info.bpp; i+=8) {
|
|
*(tile_ptr2++) = (Bit8u)(colour >> i);
|
|
}
|
|
} else {
|
|
for (i=info.bpp-8; i>-8; i-=8) {
|
|
*(tile_ptr2++) = (Bit8u)(colour >> i);
|
|
}
|
|
}
|
|
}
|
|
vid_ptr += pitch;
|
|
tile_ptr += info.pitch;
|
|
}
|
|
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
BX_PANIC(("cannot get svga tile info"));
|
|
}
|
|
}
|
|
|
|
void bx_voodoo_c::redraw_area(unsigned x0, unsigned y0, unsigned width,
|
|
unsigned height)
|
|
{
|
|
// TODO: implement tile-based update mechanism
|
|
v->fbi.video_changed = 1;
|
|
}
|
|
|
|
Bit16u bx_voodoo_c::get_retrace(void)
|
|
{
|
|
Bit64u time_in_frame = bx_pc_system.time_usec() - BX_VOODOO_THIS s.vdraw.frame_start;
|
|
if (time_in_frame > BX_VOODOO_THIS s.vdraw.vsync_usec) {
|
|
return 0;
|
|
} else {
|
|
return (Bit16u)((BX_VOODOO_THIS s.vdraw.vsync_usec - time_in_frame) / BX_VOODOO_THIS s.vdraw.htotal_usec + 1);
|
|
}
|
|
}
|
|
|
|
void bx_voodoo_c::output_enable(bx_bool enabled)
|
|
{
|
|
if (BX_VOODOO_THIS s.vdraw.output_on != enabled) {
|
|
BX_VOODOO_THIS s.vdraw.output_on = enabled;
|
|
update_screen_start();
|
|
}
|
|
}
|
|
|
|
void bx_voodoo_c::update_screen_start(void)
|
|
{
|
|
if (!BX_VOODOO_THIS s.vdraw.screen_update_pending) {
|
|
BX_VOODOO_THIS s.vdraw.screen_update_pending = 1;
|
|
bx_virt_timer.activate_timer(BX_VOODOO_THIS s.mode_change_timer_id, 1000, 0);
|
|
}
|
|
}
|
|
|
|
void bx_voodoo_c::set_irq_level(bx_bool level)
|
|
{
|
|
DEV_pci_set_irq(BX_VOODOO_THIS s.devfunc, BX_VOODOO_THIS pci_conf[0x3d], level);
|
|
}
|
|
|
|
|
|
// pci configuration space read callback handler
|
|
Bit32u bx_voodoo_c::pci_read_handler(Bit8u address, unsigned io_len)
|
|
{
|
|
Bit32u value = 0;
|
|
|
|
for (unsigned i=0; i<io_len; i++) {
|
|
value |= (BX_VOODOO_THIS pci_conf[address+i] << (i*8));
|
|
}
|
|
|
|
if (io_len == 1)
|
|
BX_DEBUG(("read PCI register 0x%02x value 0x%02x", address, value));
|
|
else if (io_len == 2)
|
|
BX_DEBUG(("read PCI register 0x%02x value 0x%04x", address, value));
|
|
else if (io_len == 4)
|
|
BX_DEBUG(("read PCI register 0x%02x value 0x%08x", address, value));
|
|
|
|
return value;
|
|
}
|
|
|
|
|
|
// pci configuration space write callback handler
|
|
void bx_voodoo_c::pci_write_handler(Bit8u address, Bit32u value, unsigned io_len)
|
|
{
|
|
Bit8u value8, oldval;
|
|
bx_bool baseaddr_change = 0;
|
|
|
|
if ((address >= 0x14) && (address < 0x34))
|
|
return;
|
|
|
|
for (unsigned i=0; i<io_len; i++) {
|
|
value8 = (value >> (i*8)) & 0xFF;
|
|
oldval = BX_VOODOO_THIS pci_conf[address+i];
|
|
switch (address+i) {
|
|
case 0x04:
|
|
value8 &= 0x02;
|
|
break;
|
|
case 0x3c:
|
|
if (value8 != oldval) {
|
|
BX_INFO(("new irq line = %d", value8));
|
|
}
|
|
break;
|
|
case 0x10:
|
|
value8 = (value8 & 0xf0) | (oldval & 0x0f);
|
|
case 0x11:
|
|
case 0x12:
|
|
case 0x13:
|
|
baseaddr_change |= (value8 != oldval);
|
|
break;
|
|
case 0x40:
|
|
case 0x41:
|
|
case 0x42:
|
|
case 0x43:
|
|
v->pci.init_enable &= ~(0xff << (i*8));
|
|
v->pci.init_enable |= (value8 << (i*8));
|
|
break;
|
|
case 0xc0:
|
|
BX_VOODOO_THIS s.vdraw.clock_enabled = 1;
|
|
update_screen_start();
|
|
break;
|
|
case 0xe0:
|
|
BX_VOODOO_THIS s.vdraw.clock_enabled = 0;
|
|
update_screen_start();
|
|
break;
|
|
default:
|
|
value8 = oldval;
|
|
}
|
|
BX_VOODOO_THIS pci_conf[address+i] = value8;
|
|
}
|
|
if (baseaddr_change) {
|
|
if (DEV_pci_set_base_mem(BX_VOODOO_THIS_PTR, mem_read_handler, mem_write_handler,
|
|
&BX_VOODOO_THIS pci_base_address[0],
|
|
&BX_VOODOO_THIS pci_conf[0x10],
|
|
0x1000000)) {
|
|
BX_INFO(("new mem base address: 0x%08x", BX_VOODOO_THIS pci_base_address[0]));
|
|
}
|
|
}
|
|
|
|
if (io_len == 1)
|
|
BX_DEBUG(("write PCI register 0x%02x value 0x%02x", address, value));
|
|
else if (io_len == 2)
|
|
BX_DEBUG(("write PCI register 0x%02x value 0x%04x", address, value));
|
|
else if (io_len == 4)
|
|
BX_DEBUG(("write PCI register 0x%02x value 0x%08x", address, value));
|
|
}
|
|
|
|
#endif // BX_SUPPORT_PCI && BX_SUPPORT_VOODOO
|