Copy modernopengl into mobileopengl2 backend.

In future it will be reworked into OpenGL ES 2.

1 files changed, 140 insertions, 0 deletions

diff --git a/src/render/mobileopengl2graphics.h b/src/render/mobileopengl2graphics.h
new file mode 100644
index 000000000..ea31daf6b
--- /dev/null
+++ b/src/render/mobileopengl2graphics.h
@@ -0,0 +1,140 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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
+ *  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/>.
+ */
+
+#ifndef RENDER_MOBILEOPENGL2GRAPHICS_H
+#define RENDER_MOBILEOPENGL2GRAPHICS_H
+
+#if defined USE_OPENGL && !defined ANDROID
+
+#include "localconsts.h"
+#include "render/graphics.h"
+
+#include "resources/fboinfo.h"
+
+#ifdef ANDROID
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#include <GLES2/gl2.h>
+#else
+#ifndef USE_SDL2
+#define GL_GLEXT_PROTOTYPES 1
+#endif
+#include <SDL_opengl.h>
+#ifndef __native_client__
+#include <GL/glext.h>
+#endif
+#endif
+
+class OpenGLGraphicsVertexes;
+class ShaderProgram;
+
+class MobileOpenGL2Graphics final : public Graphics
+{
+    public:
+        MobileOpenGL2Graphics();
+
+        A_DELETE_COPY(MobileOpenGL2Graphics)
+
+        ~MobileOpenGL2Graphics();
+
+        void postInit() override final;
+
+        void setColor(const Color &color) override final;
+
+        void screenResized() override final;
+
+        void finalize(ImageCollection *const col) override final;
+
+        void finalize(ImageVertexes *const vert) override final;
+
+        void testDraw() override final;
+
+        void removeArray(const uint32_t id,
+                         uint32_t *const arr) override final A_NONNULL(3);
+
+        void createGLContext() override final;
+
+        #include "render/graphicsdef.hpp"
+
+        #include "render/openglgraphicsdef.hpp"
+
+        #include "render/openglgraphicsdefadvanced.hpp"
+
+    private:
+        void deleteGLObjects();
+
+        inline void drawQuad(const int srcX, const int srcY,
+                             const int dstX, const int dstY,
+                             const int width, const int height);
+
+        inline void drawRescaledQuad(const int srcX, const int srcY,
+                                     const int dstX, const int dstY,
+                                     const int width, const int height,
+                                     const int desiredWidth,
+                                     const int desiredHeight);
+
+        inline void drawTriangleArray(const int size);
+
+        inline void drawTriangleArray(const GLint *const array,
+                                      const int size);
+
+        inline void drawLineArrays(const int size);
+
+        inline void bindArrayBuffer(const GLuint vbo);
+
+        inline void bindArrayBufferAndAttributes(const GLuint vbo);
+
+        inline void bindAttributes();
+
+        inline void bindElementBuffer(const GLuint ebo);
+
+        GLint *mIntArray A_NONNULLPOINTER;
+        GLint *mIntArrayCached A_NONNULLPOINTER;
+        ShaderProgram *mProgram;
+        float mAlphaCached;
+        int mVpCached;
+
+        float mFloatColor;
+        int mMaxVertices;
+        GLuint mProgramId;
+        GLuint mSimpleColorUniform;
+        GLint mPosAttrib;
+        GLint mTextureColorUniform;
+        GLuint mScreenUniform;
+        GLuint mDrawTypeUniform;
+        GLuint mVao;
+        GLuint mVbo;
+        GLuint mEbo;
+        GLuint mVboBinded;
+        GLuint mEboBinded;
+        GLuint mAttributesBinded;
+        bool mColorAlpha;
+        bool mTextureDraw;
+#ifdef DEBUG_BIND_TEXTURE
+        std::string mOldTexture;
+        unsigned mOldTextureId;
+#endif
+        FBOInfo mFbo;
+};
+#endif
+
+#endif  // RENDER_MOBILEOPENGL2GRAPHICS_H