mobileopengl2graphics.h

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * 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 // ANDROID
#ifndef USE_SDL2
#define GL_GLEXT_PROTOTYPES 1
#endif // USE_SDL2
PRAGMA48(GCC diagnostic push)
PRAGMA48(GCC diagnostic ignored "-Wshadow")
// ignore -Wredundant-decls for SDL 1.2
PRAGMA45(GCC diagnostic push)
PRAGMA45(GCC diagnostic ignored "-Wredundant-decls")
#include <SDL_opengl.h>
PRAGMA45(GCC diagnostic pop)
PRAGMA48(GCC diagnostic pop)
#if defined(__APPLE__)
#include <OpenGL/glext.h>
#elif !defined(__native_client__)
PRAGMA45(GCC diagnostic push)
PRAGMA45(GCC diagnostic ignored "-Wredundant-decls")
#include <GL/glext.h>
PRAGMA45(GCC diagnostic pop)
#endif // defined(__APPLE__)
#endif // ANDROID
 
class OpenGLGraphicsVertexes;
class ShaderProgram;
 
class MobileOpenGL2Graphics final : public Graphics
{
 public:
 MobileOpenGL2Graphics();
 
 A_DELETE_COPY(MobileOpenGL2Graphics)
 
 ~MobileOpenGL2Graphics() override final;
 
 void postInit() restrict2 override final;
 
 void setColor(const Color &restrict color) restrict2 override final;
 
 void screenResized() restrict2 override final;
 
 void finalize(ImageCollection *restrict const col)
 restrict2 override final;
 
 void finalize(ImageVertexes *restrict const vert)
 restrict2 override final;
 
 void testDraw() restrict2 override final;
 
 void removeArray(const uint32_t id,
 uint32_t *restrict const arr)
 restrict2 override final A_NONNULL(3);
 
 void createGLContext(const bool custom) restrict2 override final;
 
 #include "render/graphicsdef.hpp"
 RENDER_GRAPHICSDEF_HPP
 
 #include "render/openglgraphicsdef.hpp"
 RENDER_OPENGLGRAPHICSDEF_HPP
 
 #include "render/openglgraphicsdefadvanced.hpp"
 RENDER_OPENGLGRAPHICSDEFADVANCED_HPP
 
 private:
 void deleteGLObjects() restrict2;
 
 inline void drawQuad(const int srcX,
 const int srcY,
 const int dstX,
 const int dstY,
 const int width,
 const int height) restrict2 A_INLINE;
 
 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)
 restrict2 A_INLINE;
 
 inline void drawTriangleArray(const int size) restrict2 A_INLINE;
 
 inline void drawTriangleArray(const GLfloat *restrict const array,
 const int size) restrict2 A_INLINE;
 
 inline void drawLineArrays(const int size) restrict2 A_INLINE;
 
 inline void bindArrayBuffer(const GLuint vbo) restrict2 A_INLINE;
 
 inline void bindArrayBufferAndAttributes(const GLuint vbo)
 restrict2 A_INLINE;
 
 inline void bindAttributes() restrict2 A_INLINE;
 
 static void bindTexture2(const GLenum target,
 const Image *restrict const image);
 
 static GLuint mTextureSizeUniform;
 static int mTextureWidth;
 static int mTextureHeight;
 
 GLfloat *mFloatArray A_NONNULLPOINTER;
 GLfloat *mFloatArrayCached A_NONNULLPOINTER;
 ShaderProgram *mProgram;
 float mAlphaCached;
 int mVpCached;
 
 float mFloatColor;
 int mMaxVertices;
 GLuint mProgramId;
 GLuint mSimpleColorUniform;
 GLint mPosAttrib;
 GLint mTextureColorUniform;
 GLuint mScreenUniform;
 GLuint mDrawTypeUniform;
#ifndef __native_client__
 GLuint mVao;
#endif // __native_client__
 
 GLuint mVbo;
 GLuint mVboBinded;
 GLuint mAttributesBinded;
 bool mColorAlpha;
 bool mTextureDraw;
#ifdef DEBUG_BIND_TEXTURE
 std::string mOldTexture;
 unsigned mOldTextureId;
#endif // DEBUG_BIND_TEXTURE
 
 FBOInfo mFbo;
};
#endif // defined(USE_OPENGL) && !defined(ANDROID)
 
#endif // RENDER_MOBILEOPENGL2GRAPHICS_H