GRAPHICS: Add a list of renderer types

graphics/renderer.cpp

@@ -0,0 +1,83 @@
+/* ResidualVM - A 3D game interpreter
+ *
+ * ResidualVM 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.
+ *
+ */
+
+#include "graphics/renderer.h"
+
+#include "common/translation.h"
+
+namespace Graphics {
+
+static const RendererTypeDescription rendererTypes[] = {
+#if defined(USE_GLES2) || defined(USE_OPENGL_SHADERS)
+	{ "opengl_shaders", _s("OpenGL with shaders"), kRendererTypeOpenGLShaders },
+#elif defined(USE_OPENGL)
+	{ "opengl", _s("OpenGL"), kRendererTypeOpenGL },
+#endif
+	{ "software", "Software", kRendererTypeTinyGL },
+	{ 0, 0, kRendererTypeDefault }
+};
+
+const RendererTypeDescription *listRendererTypes() {
+	return rendererTypes;
+}
+
+RendererType parseRendererTypeCode(const Common::String &code) {
+	const RendererTypeDescription *rt = listRendererTypes();
+	while (rt->code) {
+		if (rt->code == code) {
+			return rt->id;
+		}
+		rt++;
+	}
+
+	return kRendererTypeDefault;
+}
+
+Common::String getRendererTypeCode(RendererType type) {
+	const RendererTypeDescription *rt = listRendererTypes();
+	while (rt->code) {
+		if (rt->id == type) {
+			return rt->code;
+		}
+		rt++;
+	}
+
+	return nullptr;
+}
+
+RendererType getBestMatchingAvailableRendererType(RendererType desired) {
+#if defined(USE_GLES2) || defined(USE_OPENGL_SHADERS)
+	if (desired == kRendererTypeDefault || desired == kRendererTypeOpenGL) {
+		return kRendererTypeOpenGLShaders;
+	}
+	return desired;
+#elif defined(USE_OPENGL)
+	if (desired == kRendererTypeDefault || desired == kRendererTypeOpenGLShaders) {
+		return kRendererTypeOpenGL;
+	}
+	return desired;
+#else
+	return kRendererTypeTinyGL;
+#endif
+}
+
+} // End of namespace Graphics