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+//
+// Copyright © 2012 Linaro Limited
+//
+// This file is part of the glmark2 OpenGL (ES) 2.0 benchmark.
+//
+// glmark2 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.
+//
+// glmark2 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
+// glmark2. If not, see <http://www.gnu.org/licenses/>.
+//
+// Authors:
+// Aleksandar Rodic - Creator and WebGL implementation
+// Jesse Barker - glmark2 port
+//
+#ifndef SCENE_JELLYFISH_
+#define SCENE_JELLYFISH_
+#include <vector>
+#include "vec.h"
+#include "stack.h"
+#include "program.h"
+
+class GradientRenderer
+{
+ Program program_;
+ int positionLocation_;
+ int uvLocation_;
+ unsigned int uvOffset_;
+ unsigned int bufferObject_;
+ std::vector<LibMatrix::vec2> vertices_;
+ std::vector<LibMatrix::vec2> uvs_;
+
+public:
+ GradientRenderer() :
+ positionLocation_(0),
+ uvLocation_(0),
+ uvOffset_(0),
+ bufferObject_(0) {}
+ ~GradientRenderer()
+ {
+ vertices_.clear();
+ uvs_.clear();
+ }
+ bool init();
+ void cleanup();
+ void draw();
+};
+
+class JellyfishPrivate
+{
+ bool load_obj(const std::string& filename);
+
+ // For the background gradient.
+ GradientRenderer gradient_;
+
+ // Vertex data.
+ std::vector<LibMatrix::vec3> positions_;
+ std::vector<LibMatrix::vec3> normals_;
+ std::vector<LibMatrix::vec3> colors_;
+ std::vector<LibMatrix::vec3> texcoords_;
+ std::vector<unsigned short> indices_;
+ // A simple map so we know where each section of our data starts within
+ // our vertex buffer object.
+ struct VertexDataMap
+ {
+ unsigned int positionOffset;
+ unsigned int positionSize;
+ unsigned int normalOffset;
+ unsigned int normalSize;
+ unsigned int colorOffset;
+ unsigned int colorSize;
+ unsigned int texcoordOffset;
+ unsigned int texcoordSize;
+ unsigned int totalSize;
+ } dataMap_;
+ // Object handles
+ unsigned int bufferObjects_[2];
+ unsigned int textureObjects_[33];
+ unsigned int whichCaustic_;
+ std::map<std::string, unsigned int> causticMap_;
+
+ // Program state, including attributes, uniforms, and, locations.
+ Program program_;
+ int positionLocation_;
+ int normalLocation_;
+ int colorLocation_;
+ int texcoordLocation_;
+ LibMatrix::vec2 viewport_;
+ LibMatrix::Stack4 world_;
+ LibMatrix::Stack4 projection_;
+ LibMatrix::vec3 lightPosition_;
+ LibMatrix::vec4 lightColor_;
+ float lightRadius_;
+ LibMatrix::vec4 ambientColor_;
+ LibMatrix::vec4 fresnelColor_;
+ float fresnelPower_;
+ float rotation_;
+ float currentTime_;
+ double lastUpdateTime_;
+ // GL state we plan to override, so we can restore it cleanly.
+ unsigned int cullFace_;
+ unsigned int depthTest_;
+ unsigned int blend_;
+ int blendFuncSrc_;
+ int blendFuncDst_;
+
+public:
+ JellyfishPrivate();
+ ~JellyfishPrivate();
+ bool initialize();
+ void update_viewport(const LibMatrix::vec2& viewport);
+ void update_time();
+ void cleanup();
+ void draw();
+};
+
+#endif // SCENE_JELLYFISH_