1b8c58ed58
- tile-based VBE graphics updates implemented - "half mode" support added (line doubling for low resultions) - change screen resolution only after re-enabling the video processor
128 lines
4.0 KiB
C++
128 lines
4.0 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2012-2017 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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#ifndef BX_IODEV_VOODOO_H
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#define BX_IODEV_VOODOO_H
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#define BX_VOODOO_THIS theVoodooDevice->
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#define BX_VOODOO_THIS_PTR theVoodooDevice
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#define BX_VVGA_THIS theVoodooVga->
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#define BX_VVGA_THIS_PTR theVoodooVga
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typedef struct {
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Bit8u model;
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struct {
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Bit32u width;
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Bit32u height;
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Bit64u htotal_usec;
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Bit64u vtotal_usec;
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Bit64u hsync_usec;
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Bit64u vsync_usec;
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double htime_to_pixel;
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Bit64u frame_start;
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bx_bool clock_enabled;
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bx_bool output_on;
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bx_bool override_on;
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bx_bool screen_update_pending;
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bx_bool gui_update_pending;
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} vdraw;
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int mode_change_timer_id;
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int vertical_timer_id;
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Bit8u devfunc;
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} bx_voodoo_t;
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class bx_voodoo_c : public bx_nonvga_device_c {
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public:
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bx_voodoo_c();
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virtual ~bx_voodoo_c();
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virtual void init(void);
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virtual void reset(unsigned type);
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virtual void register_state(void);
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virtual void after_restore_state(void);
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virtual void refresh_display(void *this_ptr, bx_bool redraw);
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virtual void redraw_area(unsigned x0, unsigned y0,
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unsigned width, unsigned height);
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virtual void update(void);
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virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
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static Bit32u get_retrace(bx_bool hv);
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static void output_enable(bx_bool enabled);
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static void update_screen_start(void);
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static bx_bool update_timing(void);
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Bit8u get_model(void) {return s.model;}
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private:
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bx_voodoo_t s;
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static void set_irq_level(bx_bool level);
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static bx_bool mem_read_handler(bx_phy_address addr, unsigned len, void *data, void *param);
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static bx_bool mem_write_handler(bx_phy_address addr, unsigned len, void *data, void *param);
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static void mode_change_timer_handler(void *);
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static void vertical_timer_handler(void *);
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void banshee_pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
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static Bit32u banshee_read_handler(void *this_ptr, Bit32u address, unsigned io_len);
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static void banshee_write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
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void banshee_mem_read(bx_phy_address addr, unsigned len, void *data);
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void banshee_mem_write(bx_phy_address addr, unsigned len, void *data);
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};
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class bx_voodoo_vga_c : public bx_vgacore_c {
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public:
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bx_voodoo_vga_c();
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virtual ~bx_voodoo_vga_c();
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virtual void reset(unsigned type);
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virtual void register_state(void);
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virtual void after_restore_state(void);
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virtual Bit8u mem_read(bx_phy_address addr);
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virtual void mem_write(bx_phy_address addr, Bit8u value);
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virtual void redraw_area(unsigned x0, unsigned y0,
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unsigned width, unsigned height);
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virtual bx_bool init_vga_extension(void);
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void banshee_update_mode(void);
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void banshee_set_dac_mode(bx_bool mode);
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static Bit32u banshee_read_handler(void *this_ptr, Bit32u address, unsigned io_len);
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static void banshee_write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
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protected:
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virtual void update(void);
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private:
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struct {
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Bit8u bpp;
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bx_bool dac_8bit;
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bx_bool half_mode;
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} vbe;
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};
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#endif
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