C++ (Cpp) gfx_tex_set_bilinear_filter Examples

Example #1

File: osystem_gfx.cpp Project: AdamRi/scummvm-pink

void OSystem_Wii::setCursorPalette(const byte *colors, uint start, uint num) {
	if (!_texMouse.palette) {
		printf("switching to palette based cursor\n");

		if (!gfx_tex_init(&_texMouse, GFX_TF_PALETTE_RGB5A3, TLUT_MOUSE,
							16, 16)) {
			printf("could not init the mouse texture\n");
			::abort();
		}

		gfx_tex_set_bilinear_filter(&_texMouse, _bilinearFilter);
	}

	if (_cursorPaletteDisabled) {
		memcpy(_cursorPalette, _texMouse.palette, 256 * 2);
		_cursorPaletteDisabled = false;
	}

	const byte *s = colors;
	u16 *d = _texMouse.palette;

	for (uint i = 0; i < num; ++i, s += 3)
		d[start + i] = Graphics::ARGBToColor<Graphics::ColorMasks<3444> >(0xff, s[0], s[1], s[2]);

	_cursorPaletteDirty = true;
}

Example #2

File: osystem_gfx.cpp Project: bluddy/scummvm

void OSystem_Wii::setMouseCursor(const byte *buf, uint w, uint h, int hotspotX,
									int hotspotY, uint32 keycolor,
									int cursorTargetScale,
									const Graphics::PixelFormat *format) {
	gfx_tex_format_t tex_format = GFX_TF_PALETTE_RGB5A3;
	uint tw, th;
	bool tmpBuf = false;
	uint32 oldKeycolor = _mouseKeyColor;

#ifdef USE_RGB_COLOR
	if (!format)
		_pfCursor = Graphics::PixelFormat::createFormatCLUT8();
	else
		_pfCursor = *format;

	if (_pfCursor.bytesPerPixel > 1) {
		tex_format = GFX_TF_RGB5A3;
		_mouseKeyColor = keycolor & 0xffff;
		tw = ROUNDUP(w, 4);
		th = ROUNDUP(h, 4);

		if (_pfCursor != _pfRGB3444)
			tmpBuf = true;
	} else {
#endif
		_mouseKeyColor = keycolor & 0xff;
		tw = ROUNDUP(w, 8);
		th = ROUNDUP(h, 4);
#ifdef USE_RGB_COLOR
	}
#endif

	if (!gfx_tex_init(&_texMouse, tex_format, TLUT_MOUSE, tw, th)) {
		printf("could not init the mouse texture\n");
		::abort();
	}

	gfx_tex_set_bilinear_filter(&_texMouse, _bilinearFilter);

	if ((tw != w) || (th != h))
		tmpBuf = true;

	if (!tmpBuf) {
		gfx_tex_convert(&_texMouse, buf);
	} else {
		u8 bpp = _texMouse.bpp >> 3;
		byte *tmp = (byte *) malloc(tw * th * bpp);

		if (!tmp) {
			printf("could not alloc temp cursor buffer\n");
			::abort();
		}

		if (bpp > 1)
			memset(tmp, 0, tw * th * bpp);
		else
			memset(tmp, _mouseKeyColor, tw * th);

#ifdef USE_RGB_COLOR
		if (bpp > 1) {
			if (!Graphics::crossBlit(tmp, buf,
										tw * _pfRGB3444.bytesPerPixel,
										w * _pfCursor.bytesPerPixel,
										tw, th, _pfRGB3444, _pfCursor)) {
				printf("crossBlit failed (cursor)\n");
				::abort();
			}

			// nasty, shouldn't the frontend set the alpha channel?
			u16 *s = (u16 *) buf;
			u16 *d = (u16 *) tmp;
			for (u16 y = 0; y < h; ++y) {
				for (u16 x = 0; x < w; ++x) {
					if (*s++ != _mouseKeyColor)
						*d++ |= 7 << 12;
					else
						d++;
				}

				d += tw - w;
			}
		} else {
#endif
			byte *dst = tmp;

			do {
				memcpy(dst, buf, w * bpp);
				buf += w * bpp;
				dst += tw * bpp;
			} while (--h);
#ifdef USE_RGB_COLOR
		}
#endif

		gfx_tex_convert(&_texMouse, tmp);
		free(tmp);
	}

	_mouseHotspotX = hotspotX;
	_mouseHotspotY = hotspotY;
	_cursorScale = cursorTargetScale;

	if ((_texMouse.palette) && (oldKeycolor != _mouseKeyColor))
		_cursorPaletteDirty = true;
}

Example #3

File: osystem_gfx.cpp Project: bluddy/scummvm

void OSystem_Wii::initSize(uint width, uint height,
							const Graphics::PixelFormat *format) {
	bool update = false;
	gfx_tex_format_t tex_format;

#ifdef USE_RGB_COLOR
	Graphics::PixelFormat newFormat;

	if (format)
		newFormat = *format;
	else
		newFormat = Graphics::PixelFormat::createFormatCLUT8();

	if (newFormat.bytesPerPixel > 2)
		newFormat = Graphics::PixelFormat::createFormatCLUT8();

	if (_pfGame != newFormat) {
		_pfGame = newFormat;
		update = true;
	}
#endif

	uint newWidth, newHeight;
	if (_pfGame.bytesPerPixel > 1) {
		newWidth = ROUNDUP(width, 4);
		newHeight = ROUNDUP(height, 4);
	} else {
		newWidth = ROUNDUP(width, 8);
		newHeight = ROUNDUP(height, 4);
	}

	if (_gameWidth != newWidth || _gameHeight != newHeight) {
		assert((newWidth <= 640) && (newHeight <= 480));

		if (width != newWidth || height != newHeight)
			printf("extending texture for compability: %ux%u -> %ux%u\n",
					width, height, newWidth, newHeight);

		_gameWidth = newWidth;
		_gameHeight = newHeight;
		update = true;
	}

	if (_gameRunning) {
		switchVideoMode(_configGraphicsMode);

		if (_arCorrection && (_gameWidth == 320) && (_gameHeight == 200))
			gfx_set_ar(320.0 / 240.0);
		else
			gfx_set_ar(f32(_gameWidth) / f32(_gameHeight));
	}

	if (update) {
		free(_gamePixels);

		tex_format = GFX_TF_PALETTE_RGB565;

#ifdef USE_RGB_COLOR
		if (_pfGame.bytesPerPixel > 1) {
			tex_format = GFX_TF_RGB565;
			_pfGameTexture = _pfRGB565;
		}

		printf("initSize %u*%u*%u (%u%u%u -> %u%u%u match: %d)\n",
				_gameWidth, _gameHeight, _pfGame.bytesPerPixel * 8,
				8 - _pfGame.rLoss, 8 - _pfGame.gLoss, 8 - _pfGame.bLoss,
				8 - _pfGameTexture.rLoss, 8 - _pfGameTexture.gLoss,
				8 - _pfGameTexture.bLoss, _pfGame == _pfGameTexture);

		_gamePixels = (u8 *) memalign(32, _gameWidth * _gameHeight *
										_pfGame.bytesPerPixel);
		memset(_gamePixels, 0, _gameWidth * _gameHeight *
				_pfGame.bytesPerPixel);
#else
		printf("initSize %u*%u\n", _gameWidth, _gameHeight);

		_gamePixels = (u8 *) memalign(32, _gameWidth * _gameHeight);
		memset(_gamePixels, 0, _gameWidth * _gameHeight);
#endif

		if (!gfx_tex_init(&_texGame, tex_format, TLUT_GAME,
					_gameWidth, _gameHeight)) {
			printf("could not init the game texture\n");
			::abort();
		}

		gfx_tex_set_bilinear_filter(&_texGame, _bilinearFilter);
		gfx_coords(&_coordsGame, &_texGame, GFX_COORD_FULLSCREEN);

		updateScreenResolution();
	}
}