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-rw-r--r--backends/dc/display.cpp656
1 files changed, 0 insertions, 656 deletions
diff --git a/backends/dc/display.cpp b/backends/dc/display.cpp
deleted file mode 100644
index 338138f912..0000000000
--- a/backends/dc/display.cpp
+++ /dev/null
@@ -1,656 +0,0 @@
-/* ScummVM - Scumm Interpreter
- * Dreamcast port
- * Copyright (C) 2002-2005 Marcus Comstedt
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- *
- */
-
-#define RONIN_TIMER_ACCESS
-
-#include <common/stdafx.h>
-#include <common/scummsys.h>
-#include <graphics/scaler/intern.h>
-#include <graphics/surface.h>
-#include "dc.h"
-
-#define SCREEN_W 640
-#define SCREEN_H 480
-#define MOUSE_W 128
-#define MOUSE_H 128
-
-#define OVL_W 320
-#define OVL_H 200
-#define OVL_TXSTRIDE 512
-
-#define TOP_OFFSET (_top_offset+_yscale*_current_shake_pos)
-
-#define QACR0 (*(volatile unsigned int *)(void *)0xff000038)
-#define QACR1 (*(volatile unsigned int *)(void *)0xff00003c)
-
-
-#define COPYPIXEL(n) do { \
- unsigned short _tmp = pal[*s++]; \
- d[n] = _tmp|(pal[*s++]<<16); \
-} while(0)
-
-static void texture_memcpy64_pal(void *dest, void *src, int cnt, unsigned short *pal)
-{
- unsigned char *s = (unsigned char *)src;
- unsigned int *d = (unsigned int *)(void *)
- (0xe0000000 | (((unsigned long)dest) & 0x03ffffc0));
- QACR0 = ((0xa4000000>>26)<<2)&0x1c;
- QACR1 = ((0xa4000000>>26)<<2)&0x1c;
- while(cnt--) {
- COPYPIXEL(0);
- COPYPIXEL(1);
- COPYPIXEL(2);
- COPYPIXEL(3);
- asm("pref @%0" : : "r" (s+4*16));
- COPYPIXEL(4);
- COPYPIXEL(5);
- COPYPIXEL(6);
- COPYPIXEL(7);
- asm("pref @%0" : : "r" (d));
- d += 8;
- COPYPIXEL(0);
- COPYPIXEL(1);
- COPYPIXEL(2);
- COPYPIXEL(3);
- asm("pref @%0" : : "r" (s+4*16));
- COPYPIXEL(4);
- COPYPIXEL(5);
- COPYPIXEL(6);
- COPYPIXEL(7);
- asm("pref @%0" : : "r" (d));
- d += 8;
- }
-}
-
-static void texture_memcpy64(void *dest, void *src, int cnt)
-{
- unsigned int *s = (unsigned int *)src;
- unsigned int *d = (unsigned int *)(void *)
- (0xe0000000 | (((unsigned long)dest) & 0x03ffffc0));
- QACR0 = ((0xa4000000>>26)<<2)&0x1c;
- QACR1 = ((0xa4000000>>26)<<2)&0x1c;
- while(cnt--) {
- d[0] = *s++;
- d[1] = *s++;
- d[2] = *s++;
- d[3] = *s++;
- asm("pref @%0" : : "r" (s+16));
- d[4] = *s++;
- d[5] = *s++;
- d[6] = *s++;
- d[7] = *s++;
- asm("pref @%0" : : "r" (d));
- d += 8;
- d[0] = *s++;
- d[1] = *s++;
- d[2] = *s++;
- d[3] = *s++;
- asm("pref @%0" : : "r" (s+16));
- d[4] = *s++;
- d[5] = *s++;
- d[6] = *s++;
- d[7] = *s++;
- asm("pref @%0" : : "r" (d));
- d += 8;
- }
-}
-
-void commit_dummy_transpoly()
-{
- struct polygon_list mypoly;
-
- mypoly.cmd =
- TA_CMD_POLYGON|TA_CMD_POLYGON_TYPE_TRANSPARENT|TA_CMD_POLYGON_SUBLIST|
- TA_CMD_POLYGON_STRIPLENGTH_2|TA_CMD_POLYGON_PACKED_COLOUR;
- mypoly.mode1 = TA_POLYMODE1_Z_ALWAYS|TA_POLYMODE1_NO_Z_UPDATE;
- mypoly.mode2 =
- TA_POLYMODE2_BLEND_SRC_ALPHA|TA_POLYMODE2_BLEND_DST_INVALPHA|
- TA_POLYMODE2_FOG_DISABLED|TA_POLYMODE2_ENABLE_ALPHA;
- mypoly.texture = 0;
- mypoly.red = mypoly.green = mypoly.blue = mypoly.alpha = 0;
- ta_commit_list(&mypoly);
-}
-
-
-void OSystem_Dreamcast::setPalette(const byte *colors, uint start, uint num)
-{
- unsigned short *dst = palette + start;
- if(num>0)
- while( num-- ) {
- *dst++ = ((colors[0]<<7)&0x7c00)|
- ((colors[1]<<2)&0x03e0)|
- ((colors[2]>>3)&0x001f);
- colors += 4;
- }
- _screen_dirty = true;
-}
-
-void OSystem_Dreamcast::setCursorPalette(const byte *colors, uint start, uint num)
-{
- unsigned short *dst = cursor_palette + start;
- if(num>0)
- while( num-- ) {
- *dst++ = ((colors[0]<<7)&0x7c00)|
- ((colors[1]<<2)&0x03e0)|
- ((colors[2]>>3)&0x001f);
- colors += 4;
- }
- _enable_cursor_palette = true;
-}
-
-void OSystem_Dreamcast::disableCursorPalette(bool disable)
-{
- _enable_cursor_palette = !disable;
-}
-
-void OSystem_Dreamcast::grabPalette(byte *colors, uint start, uint num)
-{
- const unsigned short *src = palette + start;
- if(num>0)
- while( num-- ) {
- unsigned short p = *src++;
- colors[0] = ((p&0x7c00)>>7)|((p&0x7000)>>12);
- colors[1] = ((p&0x03e0)>>2)|((p&0x0380)>>7);
- colors[2] = ((p&0x001f)<<3)|((p&0x001c)>>2);
- colors[3] = 0xff;
- colors += 4;
- }
-}
-
-void OSystem_Dreamcast::setScaling()
-{
- if(_screen_w > 400) {
- _xscale = _yscale = 1.0;
- _top_offset = (SCREEN_H-_screen_h)>>1;
- } else if(_aspect_stretch && _screen_w == 320 && _screen_h == 200) {
- _xscale = SCREEN_W/320.0;
- _yscale = SCREEN_H/200.0;
- _top_offset = 0;
- } else {
- _xscale = _yscale = 2.0;
- _top_offset = (SCREEN_H>>1)-_screen_h;
- }
-}
-
-void OSystem_Dreamcast::initSize(uint w, uint h)
-{
- assert(w <= SCREEN_W && h <= SCREEN_H);
-
- gBitFormat = 4444;
-
- _overlay_visible = false;
- _overlay_fade = 0.0;
- _screen_w = w;
- _screen_h = h;
- _overlay_x = (w-OVL_W)/2;
- _overlay_y = (h-OVL_H)/2;
- if(_overlay_x<0) _overlay_x = 0;
- if(_overlay_y<0) _overlay_y = 0;
- setScaling();
- ta_sync();
- if(!screen)
- screen = new unsigned char[SCREEN_W*SCREEN_H];
- if(!overlay)
- overlay = new unsigned short[OVL_W*OVL_H];
- for(int i=0; i<NUM_BUFFERS; i++)
- if(!screen_tx[i])
- screen_tx[i] = ta_txalloc(SCREEN_W*SCREEN_H*2);
- for(int i=0; i<NUM_BUFFERS; i++)
- if(!mouse_tx[i])
- mouse_tx[i] = ta_txalloc(MOUSE_W*MOUSE_H*2);
- for(int i=0; i<NUM_BUFFERS; i++)
- if(!ovl_tx[i])
- ovl_tx[i] = ta_txalloc(OVL_TXSTRIDE*OVL_H*2);
- _screen_buffer = 0;
- _mouse_buffer = 0;
- _overlay_buffer = 0;
- _screen_dirty = true;
- _overlay_dirty = true;
- *(volatile unsigned int *)(0xa05f80e4) = SCREEN_W/32; //stride
- // dc_reset_screen(0, 0);
- memset(screen, 0, SCREEN_W*SCREEN_H);
- memset(overlay, 0, OVL_W*OVL_H*sizeof(unsigned short));
-
- _devpoll = Timer();
-}
-
-void OSystem_Dreamcast::copyRectToScreen(const byte *buf, int pitch, int x, int y,
- int w, int h)
-{
- unsigned char *dst = screen + y*SCREEN_W + x;
- do {
- memcpy(dst, buf, w);
- dst += SCREEN_W;
- buf += pitch;
- } while (--h);
- _screen_dirty = true;
-}
-
-bool OSystem_Dreamcast::showMouse(bool visible)
-{
- bool last = _ms_visible;
- _ms_visible = visible;
-
- return last;
-}
-
-void OSystem_Dreamcast::warpMouse(int x, int y)
-{
- _ms_cur_x = x;
- _ms_cur_y = y;
-}
-
-void OSystem_Dreamcast::setMouseCursor(const byte *buf, uint w, uint h,
- int hotspot_x, int hotspot_y,
- byte keycolor, int cursorTargetScale)
-{
- _ms_cur_w = w;
- _ms_cur_h = h;
-
- _ms_hotspot_x = hotspot_x;
- _ms_hotspot_y = hotspot_y;
-
- _ms_keycolor = keycolor;
-
- if (_ms_buf)
- free(_ms_buf);
-
- _ms_buf = (byte *)malloc(w * h);
- memcpy(_ms_buf, buf, w * h);
-}
-
-void OSystem_Dreamcast::setShakePos(int shake_pos)
-{
- _current_shake_pos = shake_pos;
-}
-
-void OSystem_Dreamcast::updateScreen(void)
-{
- struct polygon_list mypoly;
- struct packed_colour_vertex_list myvertex;
-
- if(_screen_dirty) {
-
- _screen_buffer++;
- _screen_buffer &= NUM_BUFFERS-1;
-
- unsigned short *dst = (unsigned short *)screen_tx[_screen_buffer];
- unsigned char *src = screen;
-
- // while((*((volatile unsigned int *)(void*)0xa05f810c) & 0x3ff) != 200);
- // *((volatile unsigned int *)(void*)0xa05f8040) = 0xff0000;
-
- for( int y = 0; y<_screen_h; y++ )
- {
- texture_memcpy64_pal( dst, src, _screen_w>>5, palette );
- src += SCREEN_W;
- dst += SCREEN_W;
- }
-
- _screen_dirty = false;
- }
-
- if( _overlay_visible && _overlay_dirty ) {
-
- _overlay_buffer++;
- _overlay_buffer &= NUM_BUFFERS-1;
-
- unsigned short *dst = (unsigned short *)ovl_tx[_overlay_buffer];
- unsigned short *src = overlay;
-
- for( int y = 0; y<OVL_H; y++ )
- {
- texture_memcpy64( dst, src, OVL_W>>5 );
- src += OVL_W;
- dst += OVL_TXSTRIDE;
- }
-
- _overlay_dirty = false;
- }
-
- // *((volatile unsigned int *)(void*)0xa05f8040) = 0x00ff00;
-
- mypoly.cmd =
- TA_CMD_POLYGON|TA_CMD_POLYGON_TYPE_OPAQUE|TA_CMD_POLYGON_SUBLIST|
- TA_CMD_POLYGON_STRIPLENGTH_2|TA_CMD_POLYGON_PACKED_COLOUR|TA_CMD_POLYGON_TEXTURED;
- mypoly.mode1 = TA_POLYMODE1_Z_ALWAYS|TA_POLYMODE1_NO_Z_UPDATE;
- mypoly.mode2 =
- TA_POLYMODE2_BLEND_SRC|TA_POLYMODE2_FOG_DISABLED|TA_POLYMODE2_TEXTURE_REPLACE|
- TA_POLYMODE2_U_SIZE_1024|TA_POLYMODE2_V_SIZE_1024;
- mypoly.texture = TA_TEXTUREMODE_ARGB1555|TA_TEXTUREMODE_NON_TWIDDLED|
- TA_TEXTUREMODE_STRIDE|TA_TEXTUREMODE_ADDRESS(screen_tx[_screen_buffer]);
-
- mypoly.red = mypoly.green = mypoly.blue = mypoly.alpha = 0;
-
- ta_begin_frame();
- // *((volatile unsigned int *)(void*)0xa05f8040) = 0x0000ff;
- ta_commit_list(&mypoly);
-
- myvertex.cmd = TA_CMD_VERTEX;
- myvertex.ocolour = 0;
- myvertex.colour = 0;
- myvertex.z = 0.5;
- myvertex.u = 0.0;
- myvertex.v = 0.0;
-
- myvertex.x = 0.0;
- myvertex.y = TOP_OFFSET;
- ta_commit_list(&myvertex);
-
- myvertex.x = _screen_w*_xscale;
- myvertex.u = _screen_w*(1/1024.0);
- ta_commit_list(&myvertex);
-
- myvertex.x = 0.0;
- myvertex.y += _screen_h*_yscale;
- myvertex.u = 0.0;
- myvertex.v = _screen_h*(1/1024.0);
- ta_commit_list(&myvertex);
-
- myvertex.x = _screen_w*_xscale;
- myvertex.u = _screen_w*(1/1024.0);
- myvertex.cmd |= TA_CMD_VERTEX_EOS;
- ta_commit_list(&myvertex);
-
- ta_commit_end();
-
- if(_overlay_visible) {
- if(_overlay_fade < 1.0)
- _overlay_fade += 0.125;
- } else {
- if(_overlay_fade > 0)
- _overlay_fade -= 0.125;
- }
-
- if(_overlay_fade > 0.0) {
-
- mypoly.cmd =
- TA_CMD_POLYGON|TA_CMD_POLYGON_TYPE_TRANSPARENT|TA_CMD_POLYGON_SUBLIST|
- TA_CMD_POLYGON_STRIPLENGTH_2|TA_CMD_POLYGON_PACKED_COLOUR|TA_CMD_POLYGON_TEXTURED;
- mypoly.mode1 = TA_POLYMODE1_Z_ALWAYS|TA_POLYMODE1_NO_Z_UPDATE;
- mypoly.mode2 =
- TA_POLYMODE2_BLEND_SRC_ALPHA|TA_POLYMODE2_BLEND_DST_INVALPHA|
- TA_POLYMODE2_ENABLE_ALPHA|
- TA_POLYMODE2_FOG_DISABLED|TA_POLYMODE2_TEXTURE_MODULATE_ALPHA|
- TA_POLYMODE2_U_SIZE_512|TA_POLYMODE2_V_SIZE_512;
- mypoly.texture = TA_TEXTUREMODE_ARGB4444|TA_TEXTUREMODE_NON_TWIDDLED|
- TA_TEXTUREMODE_ADDRESS(ovl_tx[_overlay_buffer]);
-
- mypoly.red = mypoly.green = mypoly.blue = mypoly.alpha = 0.0;
-
- ta_commit_list(&mypoly);
-
- myvertex.cmd = TA_CMD_VERTEX;
- myvertex.ocolour = 0;
- myvertex.colour = 0xffffff|(((int)(255*_overlay_fade))<<24);
-
- myvertex.z = 0.5;
- myvertex.u = 0.0;
- myvertex.v = 0.0;
-
- myvertex.x = _overlay_x*_xscale;
- myvertex.y = _overlay_y*_yscale+TOP_OFFSET;
- ta_commit_list(&myvertex);
-
- myvertex.x += OVL_W*_xscale;
- myvertex.u = OVL_W*(1.0/512.0);
- ta_commit_list(&myvertex);
-
- myvertex.x = _overlay_x*_xscale;
- myvertex.y += OVL_H*_yscale;
- myvertex.u = 0.0;
- myvertex.v = OVL_H*(1.0/512.0);
- ta_commit_list(&myvertex);
-
- myvertex.x += OVL_W*_xscale;
- myvertex.u = OVL_W*(1.0/512.0);
- myvertex.cmd |= TA_CMD_VERTEX_EOS;
- ta_commit_list(&myvertex);
- }
-
- if(_softkbd_on)
- if(_softkbd_motion < 120)
- _softkbd_motion += 10;
- else
- ;
- else
- if(_softkbd_motion > 0)
- _softkbd_motion -= 10;
-
- if(_softkbd_motion)
- _softkbd.draw(330.0*sin(0.013*_softkbd_motion) - 320.0, 200.0,
- 120-_softkbd_motion);
-
- // *((volatile unsigned int *)(void*)0xa05f8040) = 0xffff00;
- drawMouse(_ms_cur_x, _ms_cur_y, _ms_cur_w, _ms_cur_h, _ms_buf, _ms_visible);
- // *((volatile unsigned int *)(void*)0xa05f8040) = 0xff00ff;
- ta_commit_frame();
-
- // *((volatile unsigned int *)(void*)0xa05f8040) = 0x0;
-}
-
-void OSystem_Dreamcast::drawMouse(int xdraw, int ydraw, int w, int h,
- unsigned char *buf, bool visible)
-{
- struct polygon_list mypoly;
- struct packed_colour_vertex_list myvertex;
-
- unsigned short *pal = _enable_cursor_palette? cursor_palette : palette;
-
- _mouse_buffer++;
- _mouse_buffer &= NUM_BUFFERS-1;
-
- unsigned short *dst = (unsigned short *)mouse_tx[_mouse_buffer];
- int y=0;
-
- if(visible && w && h && w<=MOUSE_W && h<=MOUSE_H)
- for(int y=0; y<h; y++) {
- int x;
- for(x=0; x<w; x++)
- if(*buf == _ms_keycolor) {
- *dst++ = 0;
- buf++;
- } else
- *dst++ = pal[*buf++]|0x8000;
- dst += MOUSE_W-x;
- }
- else {
- commit_dummy_transpoly();
- return;
- }
-
- mypoly.cmd =
- TA_CMD_POLYGON|TA_CMD_POLYGON_TYPE_TRANSPARENT|TA_CMD_POLYGON_SUBLIST|
- TA_CMD_POLYGON_STRIPLENGTH_2|TA_CMD_POLYGON_PACKED_COLOUR|TA_CMD_POLYGON_TEXTURED;
- mypoly.mode1 = TA_POLYMODE1_Z_ALWAYS|TA_POLYMODE1_NO_Z_UPDATE;
- mypoly.mode2 =
- TA_POLYMODE2_BLEND_SRC_ALPHA|TA_POLYMODE2_BLEND_DST_INVALPHA|
- TA_POLYMODE2_FOG_DISABLED|TA_POLYMODE2_TEXTURE_REPLACE|
- TA_POLYMODE2_U_SIZE_128|TA_POLYMODE2_V_SIZE_128;
- mypoly.texture = TA_TEXTUREMODE_ARGB1555|TA_TEXTUREMODE_NON_TWIDDLED|
- TA_TEXTUREMODE_ADDRESS(mouse_tx[_mouse_buffer]);
-
- mypoly.red = mypoly.green = mypoly.blue = mypoly.alpha = 0;
-
- ta_commit_list(&mypoly);
-
- myvertex.cmd = TA_CMD_VERTEX;
- myvertex.ocolour = 0;
- myvertex.colour = 0xffff00;
- myvertex.z = 0.25;
- myvertex.u = 0.0;
- myvertex.v = 0.0;
-
- myvertex.x = (xdraw-_ms_hotspot_x)*_xscale;
- myvertex.y = (ydraw-_ms_hotspot_y)*_yscale + TOP_OFFSET;
- ta_commit_list(&myvertex);
-
- myvertex.x += w*_xscale;
- myvertex.u = w*(1.0/MOUSE_W);
- ta_commit_list(&myvertex);
-
- myvertex.x -= w*_xscale;
- myvertex.y += h*_yscale;
- myvertex.u = 0.0;
- myvertex.v = h*(1.0/MOUSE_H);
- ta_commit_list(&myvertex);
-
- myvertex.x += w*_xscale;
- myvertex.u = w*(1.0/MOUSE_W);
- myvertex.cmd |= TA_CMD_VERTEX_EOS;
- ta_commit_list(&myvertex);
-}
-
-void OSystem_Dreamcast::mouseToSoftKbd(int x, int y, int &rx, int &ry) const
-{
- if(_softkbd_motion) {
- rx = (int)(x*_xscale - (330.0*sin(0.013*_softkbd_motion) - 320.0));
- ry = (int)(y*_yscale + TOP_OFFSET - 200.0);
- } else {
- rx = -1;
- ry = -1;
- }
-}
-
-
-void OSystem_Dreamcast::showOverlay()
-{
- _overlay_visible = true;
- clearOverlay();
-}
-
-void OSystem_Dreamcast::hideOverlay()
-{
- _overlay_visible = false;
-}
-
-void OSystem_Dreamcast::clearOverlay()
-{
- if(!_overlay_visible)
- return;
-
- memset(overlay, 0, OVL_W*OVL_H*sizeof(unsigned short));
-
- _overlay_dirty = true;
-}
-
-void OSystem_Dreamcast::grabOverlay(int16 *buf, int pitch)
-{
- int h = OVL_H;
- unsigned short *src = overlay;
- do {
- memcpy(buf, src, OVL_W*sizeof(int16));
- src += OVL_W;
- buf += pitch;
- } while (--h);
-}
-
-void OSystem_Dreamcast::copyRectToOverlay(const int16 *buf, int pitch,
- int x, int y, int w, int h)
-{
- unsigned short *dst = overlay + y*OVL_W + x;
- do {
- memcpy(dst, buf, w*sizeof(int16));
- dst += OVL_W;
- buf += pitch;
- } while (--h);
- _overlay_dirty = true;
-}
-
-
-static const OSystem::GraphicsMode gfxmodes[] = {
- { "default", "640×480 16bpp", 0 },
- { NULL, NULL, 0 }
-};
-
-const OSystem::GraphicsMode *OSystem_Dreamcast::getSupportedGraphicsModes() const
-{
- return gfxmodes;
-}
-
-int OSystem_Dreamcast::getDefaultGraphicsMode() const
-{
- return 0;
-}
-
-bool OSystem_Dreamcast::setGraphicsMode(int mode)
-{
- return mode == 0;
-}
-
-int OSystem_Dreamcast::getGraphicsMode() const
-{
- return 0;
-}
-
-bool OSystem_Dreamcast::grabRawScreen(Graphics::Surface *surf)
-{
- if(!screen || !surf)
- return false;
-
- surf->create(_screen_w, _screen_h, 1);
- unsigned char *src = screen, *dst = (unsigned char *)surf->pixels;
- for(int h = _screen_h; h>0; --h) {
- memcpy(dst, src, _screen_w);
- src += SCREEN_W;
- dst += _screen_w;
- }
- return true;
-}
-
-void OSystem_Dreamcast::clearScreen()
-{
- memset(screen, 0, SCREEN_W*SCREEN_H);
- _screen_dirty = true;
-}
-
-int16 OSystem_Dreamcast::getOverlayHeight()
-{
- return OVL_H;
-}
-
-int16 OSystem_Dreamcast::getOverlayWidth()
-{
- return OVL_W;
-}
-
-int OSystem_Dreamcast::screenToOverlayX(int x)
-{
- return x - _overlay_x;
-}
-
-int OSystem_Dreamcast::screenToOverlayY(int y)
-{
- return y - _overlay_y;
-}
-
-int OSystem_Dreamcast::overlayToScreenX(int x)
-{
- return x + _overlay_x;
-}
-
-int OSystem_Dreamcast::overlayToScreenY(int y)
-{
- return y + _overlay_y;
-}
-
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