imported Löve GLES branch (changeset 1ba9037e558b)

jni/love/src/modules/graphics/Quad.cpp

@@ -0,0 +1,83 @@
+/**
+ * Copyright (c) 2006-2013 LOVE Development Team
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ **/
+
+// LOVE
+#include "Quad.h"
+
+// C
+#include <cstring> // For memcpy
+
+namespace love
+{
+namespace graphics
+{
+
+Quad::Quad(const Quad::Viewport &v, float sw, float sh)
+	: sw(sw)
+	, sh(sh)
+{
+	memset(vertices, 255, sizeof(Vertex) * NUM_VERTICES);
+	refresh(v, sw, sh);
+}
+
+Quad::~Quad()
+{
+}
+
+void Quad::refresh(const Quad::Viewport &v, float sw, float sh)
+{
+	viewport = v;
+
+	vertices[0].x = 0;
+	vertices[0].y = 0;
+	vertices[1].x = 0;
+	vertices[1].y = v.h;
+	vertices[2].x = v.w;
+	vertices[2].y = v.h;
+	vertices[3].x = v.w;
+	vertices[3].y = 0;
+
+	vertices[0].s = v.x/sw;
+	vertices[0].t = v.y/sh;
+	vertices[1].s = v.x/sw;
+	vertices[1].t = (v.y+v.h)/sh;
+	vertices[2].s = (v.x+v.w)/sw;
+	vertices[2].t = (v.y+v.h)/sh;
+	vertices[3].s = (v.x+v.w)/sw;
+	vertices[3].t = v.y/sh;
+}
+
+void Quad::setViewport(const Quad::Viewport &v)
+{
+	refresh(v, sw, sh);
+}
+
+Quad::Viewport Quad::getViewport() const
+{
+	return viewport;
+}
+
+const Vertex *Quad::getVertices() const
+{
+	return vertices;
+}
+
+} // graphics
+} // love