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engines/stark/gfx/tinyglbitmap.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "engines/stark/gfx/tinyglbitmap.h"
+#include "engines/stark/gfx/driver.h"
+
+#include "common/system.h"
+#include "graphics/surface.h"
+
+namespace Stark {
+namespace Gfx {
+
+TinyGlBitmap::TinyGlBitmap() :
+		Bitmap() {
+	_blitImage = tglGenBlitImage();
+}
+
+TinyGlBitmap::~TinyGlBitmap() {
+	tglDeleteBlitImage(_blitImage);
+}
+
+void TinyGlBitmap::bind() const {
+}
+
+void TinyGlBitmap::update(const Graphics::Surface *surface, const byte *palette) {
+	_width = surface->w;
+	_height = surface->h;
+
+	if (palette) {
+		// TinyGL doesn't currently support images with palettes, so we handle conversion here.
+		Graphics::Surface *convertedSurface = surface->convertTo(getBestPixelFormat(), palette);
+		tglUploadBlitImage(_blitImage, *convertedSurface, 0, false);
+		convertedSurface->free();
+		delete convertedSurface;
+	} else {
+		tglUploadBlitImage(_blitImage, *surface, 0, false);
+	}
+}
+
+void TinyGlBitmap::setSamplingFilter(Bitmap::SamplingFilter filter) {
+}
+
+Graphics::PixelFormat TinyGlBitmap::getBestPixelFormat() const {
+	return g_system->getScreenFormat();
+}
+
+TinyGL::BlitImage *TinyGlBitmap::getBlitImage() const {
+	return _blitImage;
+}
+
+} // End of namespace Gfx
+} // End of namespace Stark