scummvm/engines/gob/video_v6.cpp
Sven Hesse eaf22dc66c Decreased the dithering LUT's depth to 5 bit per color component.
The results still good and generating it is fast enough to do at each start (so we don't need to save it anymore)

svn-id: r40195
2009-04-29 10:24:00 +00:00

318 lines
10 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
* $URL$
* $Id$
*
*/
#include "common/endian.h"
#include "common/savefile.h"
#include "graphics/dither.h"
#include "gob/gob.h"
#include "gob/video.h"
#include "gob/util.h"
#include "gob/indeo3.h"
#include "gob/draw.h"
#include "gob/global.h"
namespace Gob {
Video_v6::Video_v6(GobEngine *vm) : Video_v2(vm) {
}
void Video_v6::setPrePalette() {
byte *tpal = (byte *) _vm->_draw->_vgaPalette;;
const byte *fpal = (const byte *) _ditherPalette;
for (int i = 0; i < 256; i++) {
byte r, g, b;
Graphics::PaletteLUT::YUV2RGB(fpal[i * 3 + 0], fpal[i * 3 + 1], fpal[i * 3 + 2],
r, g, b);
tpal[i * 3 + 0] = r >> 2;
tpal[i * 3 + 1] = g >> 2;
tpal[i * 3 + 2] = b >> 2;
}
_vm->_global->_pPaletteDesc->vgaPal = _vm->_draw->_vgaPalette;
_vm->_video->setFullPalette(_vm->_global->_pPaletteDesc);
}
void Video_v6::init(const char *target) {
initOSD();
buildPalLUT();
}
void Video_v6::buildPalLUT() {
char text[30];
_palLUT->setPalette(_ditherPalette, Graphics::PaletteLUT::kPaletteYUV, 8, 0);
sprintf(text, "Building palette table");
drawOSDText(text);
for (int i = 0; (i < 32) && !_vm->shouldQuit(); i++)
_palLUT->buildNext();
}
char Video_v6::spriteUncompressor(byte *sprBuf, int16 srcWidth, int16 srcHeight,
int16 x, int16 y, int16 transp, SurfaceDesc *destDesc) {
if (!destDesc)
return 1;
_vm->validateVideoMode(destDesc->_vidMode);
if ((sprBuf[0] == 1) && (sprBuf[1] == 3)) {
drawPacked(sprBuf, x, y, destDesc);
return 1;
}
warning("Urban Stub: spriteUncompressor(), sprBuf[0,1] = %d,%d",
sprBuf[0], sprBuf[1]);
return 1;
}
void Video_v6::fillRect(SurfaceDesc *dest,
int16 left, int16 top, int16 right, int16 bottom, int16 color) {
if (!(color & 0xFF00)) {
Video::fillRect(dest, left, top, right, bottom, color);
return;
}
if (!(color & 0x0100)) {
Video::fillRect(dest, left, top, right, bottom, color);
return;
}
if (_doRangeClamp) {
if (left > right)
SWAP(left, right);
if (top > bottom)
SWAP(top, bottom);
if ((left >= dest->getWidth()) || (right < 0) ||
(top >= dest->getHeight()) || (bottom < 0))
return;
left = CLIP(left, (int16) 0, (int16) (dest->getWidth() - 1));
top = CLIP(top, (int16) 0, (int16) (dest->getHeight() - 1));
right = CLIP(right, (int16) 0, (int16) (dest->getWidth() - 1));
bottom = CLIP(bottom, (int16) 0, (int16) (dest->getHeight() - 1));
}
byte strength = 16 - (((uint16) color) >> 12);
shadeRect(dest, left, top, right, bottom, color, strength);
}
void Video_v6::shadeRect(SurfaceDesc *dest,
int16 left, int16 top, int16 right, int16 bottom, byte color, byte strength) {
int width = right - left + 1;
int height = bottom - top + 1;
int dWidth = dest->getWidth();
byte *vidMem = dest->getVidMem() + dWidth * top + left;
byte sY, sU, sV;
_palLUT->getEntry(color, sY, sU, sV);
int shadeY = sY * (16 - strength);
int shadeU = sU * (16 - strength);
int shadeV = sV * (16 - strength);
Graphics::SierraLight *dither =
new Graphics::SierraLight(width, _palLUT);
for (int i = 0; i < height; i++) {
byte *d = vidMem;
for (int j = 0; j < width; j++) {
byte dY, dU, dV;
byte dC = *d;
_palLUT->getEntry(dC, dY, dU, dV);
dY = CLIP<int>((shadeY + strength * dY) >> 4, 0, 255);
dU = CLIP<int>((shadeU + strength * dU) >> 4, 0, 255);
dV = CLIP<int>((shadeV + strength * dV) >> 4, 0, 255);
*d++ = dither->dither(dY, dU, dV, j);
}
dither->nextLine();
vidMem += dWidth;
}
delete dither;
}
void Video_v6::drawPacked(const byte *sprBuf, int16 x, int16 y, SurfaceDesc *surfDesc) {
const byte *data = sprBuf + 2;
int16 width = READ_LE_UINT16(data);
int16 height = READ_LE_UINT16(data + 2);
data += 4;
const byte *srcData = data;
byte *uncBuf = 0;
if (*srcData++ != 0) {
uint32 size = READ_LE_UINT32(data);
uncBuf = new byte[size];
//spriteUncompressor(data, buf);
warning("Urban Stub: drawPacked: spriteUncompressor(data, uncBuf)");
srcData = uncBuf;
}
drawYUVData(srcData, surfDesc, width, height, x, y);
delete[] uncBuf;
}
void Video_v6::drawYUVData(const byte *srcData, SurfaceDesc *destDesc,
int16 width, int16 height, int16 x, int16 y) {
int16 dataWidth = width;
int16 dataHeight = height;
if (dataWidth & 0xF)
dataWidth = (dataWidth & 0xFFF0) + 16;
if (dataHeight & 0xF)
dataHeight = (dataHeight & 0xFFF0) + 16;
const byte *dataY = srcData;
const byte *dataU = dataY + (dataWidth * dataHeight);
const byte *dataV = dataU + ((dataWidth * dataHeight) >> 4);
drawYUV(destDesc, x, y, dataWidth, dataHeight, width, height, dataY, dataU, dataV);
}
void Video_v6::drawYUV(SurfaceDesc *destDesc, int16 x, int16 y,
int16 dataWidth, int16 dataHeight, int16 width, int16 height,
const byte *dataY, const byte *dataU, const byte *dataV) {
byte *vidMem = destDesc->getVidMem() + y * destDesc->getWidth() + x;
if ((x + width - 1) >= destDesc->getWidth())
width = destDesc->getWidth() - x;
if ((y + height - 1) >= destDesc->getHeight())
height = destDesc->getHeight() - y;
Graphics::SierraLight *dither =
new Graphics::SierraLight(width, _palLUT);
for (int i = 0; i < height; i++) {
byte *dest = vidMem;
const byte *srcY = dataY + i * dataWidth;
const byte *srcU = dataU + (i >> 2) * (dataWidth >> 2);
const byte *srcV = dataV + (i >> 2) * (dataWidth >> 2);
for (int j = 0; j < (width >> 2); j++, srcU++, srcV++) {
for (int n = 0; n < 4; n++, dest++, srcY++) {
byte dY = *srcY << 1, dU = *srcU << 1, dV = *srcV << 1;
*dest = (dY == 0) ? 0 : dither->dither(dY, dU, dV, j * 4 + n);
}
}
dither->nextLine();
vidMem += destDesc->getWidth();
}
delete dither;
}
const byte Video_v6::_ditherPalette[768] = {
0x00,0x80,0x80,0x26,0x6B,0xC0,0x4B,0x56,0x4B,0x71,0x41,0x8B,
0x0E,0xC0,0x76,0x34,0xAB,0xB6,0x59,0x96,0x41,0xBE,0x81,0x81,
0xCF,0x77,0x75,0xC1,0x9B,0x6C,0x7F,0x81,0x81,0x7F,0x81,0x81,
0x0A,0x8C,0x8A,0x0A,0xB0,0x79,0x0E,0x9D,0x76,0x0E,0x79,0x76,
0x10,0x77,0x75,0x09,0x7B,0x8B,0x16,0x74,0xA6,0x16,0x74,0xA6,
0x12,0x91,0x93,0x13,0xB5,0x72,0x1B,0x9E,0x6D,0x1A,0x7A,0x6D,
0x1C,0x71,0x6C,0x1B,0x72,0x8C,0x1B,0x71,0xAE,0x1B,0x71,0xAE,
0x21,0x93,0x93,0x21,0xB8,0x6F,0x27,0xA3,0x64,0x27,0x7F,0x65,
0x29,0x69,0x68,0x28,0x69,0x8E,0x23,0x6F,0xB7,0x2A,0x69,0xB2,
0x36,0x94,0x92,0x35,0xB9,0x6E,0x35,0xA6,0x5D,0x34,0x80,0x5D,
0x39,0x61,0x6B,0x3A,0x60,0x8F,0x34,0x6E,0xB9,0x39,0x60,0xB5,
0x46,0x93,0x95,0x48,0xB6,0x6F,0x45,0xA6,0x5C,0x47,0x80,0x5C,
0x4B,0x56,0x6D,0x4B,0x56,0x91,0x47,0x6F,0xB7,0x4A,0x57,0xB5,
0x5A,0x94,0x92,0x59,0xB9,0x6E,0x59,0xA6,0x5D,0x59,0x82,0x5D,
0x5B,0x4D,0x6D,0x5A,0x4E,0x92,0x5B,0x6F,0xB7,0x5C,0x4D,0xB6,
0x6D,0x94,0x93,0x6D,0xB8,0x6F,0x6D,0xA5,0x5D,0x6C,0x7F,0x5E,
0x6C,0x4A,0x70,0x6D,0x4A,0x94,0x6C,0x6E,0xB9,0x6C,0x4A,0xBA,
0x7E,0x94,0x93,0x80,0xB6,0x6F,0x7D,0xA6,0x5D,0x7F,0x81,0x5B,
0x7F,0x4A,0x6F,0x7F,0x4A,0x92,0x7E,0x6F,0xB7,0x7E,0x4B,0xB7,
0x92,0x94,0x93,0x90,0xB8,0x6F,0x91,0xA5,0x5C,0x90,0x81,0x5D,
0x91,0x4B,0x6D,0x91,0x4C,0x93,0x93,0x6F,0xB7,0x92,0x4B,0xB7,
0xA5,0x91,0x93,0xA2,0xB2,0x6F,0xA5,0xA6,0x5D,0xA4,0x80,0x5D,
0xA3,0x4A,0x6F,0xA4,0x49,0x93,0xA4,0x6F,0xB9,0xA3,0x4B,0xB9,
0xB6,0x94,0x93,0xB4,0xA9,0x71,0xB6,0xA5,0x5C,0xB8,0x80,0x5C,
0xB7,0x4B,0x6F,0xB6,0x4C,0x93,0xB5,0x70,0xB3,0xB5,0x4C,0xB3,
0xC9,0x93,0x92,0xC3,0xA0,0x72,0xC7,0x9E,0x5E,0xC9,0x82,0x5D,
0xCA,0x4B,0x6E,0xCA,0x4B,0x93,0xC2,0x73,0xA9,0xC2,0x4F,0xA9,
0xDD,0x92,0x93,0xD4,0x97,0x74,0xD9,0x94,0x60,0xDD,0x80,0x5E,
0xDB,0x4B,0x6F,0xDD,0x4A,0x93,0xCE,0x76,0xA1,0xCE,0x52,0xA1,
0xE8,0x8B,0x8E,0xE6,0x8C,0x76,0xE7,0x8C,0x61,0xE6,0x86,0x62,
0xE3,0x51,0x78,0xEA,0x4D,0x8D,0xDC,0x79,0x97,0xDC,0x55,0x97,
0xFA,0x81,0x81,0xF8,0x82,0x83,0xF4,0x85,0x77,0xF2,0x79,0x79,
0xF4,0x65,0x86,0xF8,0x75,0x83,0xEF,0x87,0x89,0xF0,0x67,0x89,
0xEE,0x81,0x81,0xE8,0x8B,0x85,0xED,0x88,0x71,0xEA,0x71,0x73,
0xEE,0x5D,0x81,0xEA,0x71,0x8D,0xE4,0x87,0x91,0xE4,0x63,0x91,
0xDB,0x81,0x81,0xD7,0x95,0x83,0xDB,0x93,0x6F,0xDB,0x6F,0x6F,
0xDC,0x5C,0x80,0xDD,0x6E,0x93,0xD7,0x83,0x9B,0xD6,0x5F,0x9B,
0xCA,0x81,0x81,0xC8,0x9D,0x82,0xC8,0x94,0x6E,0xCA,0x6F,0x6E,
0xC9,0x5D,0x81,0xCA,0x6F,0x93,0xC9,0x82,0xA5,0xC8,0x5E,0xA5,
0xB6,0x81,0x81,0xB6,0xA5,0x80,0xB7,0x93,0x6F,0xB7,0x6F,0x6F,
0xB6,0x5D,0x81,0xB6,0x70,0x93,0xB8,0x80,0xA5,0xB7,0x5C,0xA5,
0xA3,0x81,0x81,0xA4,0xA7,0x81,0xA3,0x92,0x6F,0xA3,0x6E,0x6F,
0xA5,0x5C,0x7F,0xA5,0x6D,0x93,0xA4,0x80,0xA5,0xA4,0x5C,0xA5,
0x92,0x81,0x81,0x93,0xA5,0x81,0x90,0x94,0x6F,0x92,0x6F,0x6D,
0x92,0x5D,0x81,0x92,0x70,0x93,0x91,0x82,0xA7,0x91,0x5E,0xA7,
0x7F,0x81,0x81,0x7F,0xA5,0x81,0x80,0x92,0x70,0x7F,0x6E,0x6F,
0x7F,0x5D,0x81,0x7D,0x70,0x93,0x80,0x80,0xA5,0x80,0x5C,0xA5,
0x6B,0x81,0x81,0x6C,0xA7,0x80,0x6D,0x94,0x6F,0x6C,0x6E,0x6F,
0x6D,0x5B,0x80,0x6D,0x6E,0x93,0x6C,0x81,0xA5,0x6C,0x5D,0xA5,
0x5A,0x81,0x81,0x5A,0xA5,0x81,0x59,0x95,0x6E,0x5A,0x6F,0x6E,
0x5B,0x5D,0x81,0x59,0x70,0x93,0x5A,0x81,0xA7,0x5A,0x5D,0xA7,
0x47,0x81,0x81,0x47,0xA5,0x80,0x47,0x92,0x6F,0x47,0x6E,0x6F,
0x46,0x5D,0x81,0x46,0x6F,0x95,0x49,0x81,0xA5,0x48,0x5D,0xA5,
0x32,0x81,0x81,0x33,0xA7,0x81,0x35,0x95,0x6E,0x34,0x6F,0x6F,
0x36,0x62,0x7E,0x35,0x6E,0x93,0x34,0x80,0xA5,0x36,0x62,0xA4,
0x23,0x81,0x81,0x23,0xA5,0x80,0x20,0x94,0x6F,0x22,0x6F,0x6D,
0x26,0x6B,0x7E,0x21,0x6F,0x93,0x22,0x82,0xA7,0x25,0x6C,0xA4,
0x0E,0x81,0x81,0x0F,0xA5,0x81,0x13,0x91,0x73,0x15,0x75,0x71,
0x14,0x75,0x7D,0x11,0x77,0x93,0x15,0x7D,0xA1,0x16,0x74,0xA1,
0x00,0x80,0x80,0x07,0xA0,0x7B,0x05,0x8F,0x7D,0x09,0x7B,0x7A,
0x07,0x7D,0x7B,0x07,0x7C,0x8C,0x0E,0x78,0x98,0x0E,0x78,0x98,
0x7F,0x81,0x81,0x80,0x83,0x81,0xF7,0x7C,0x84,0x9E,0x83,0x80,
0x7F,0x81,0x81,0x4B,0x56,0xFE,0x93,0x2D,0x17,0xDE,0x03,0x95,
0x1C,0xFE,0x6C,0x67,0xD4,0xEA,0xAF,0xAB,0x03,0xFA,0x81,0x81
};
} // End of namespace Gob