89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
// Copyright (C) 2013 Patryk Nadrowski
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// Copyright (C) 2016-2017 Dawid Gan
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// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
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// OpenGL ES driver implemented by Christian Stehno and first OpenGL ES 2.0
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// driver implemented by Amundis.
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in Irrlicht.h
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#ifndef CONTEXT_EGL_HPP
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#define CONTEXT_EGL_HPP
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#include "IrrCompileConfig.h"
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#if defined(_IRR_COMPILE_WITH_EGL_)
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#include <EGL/egl.h>
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#ifndef EGL_CONTEXT_MAJOR_VERSION
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#define EGL_CONTEXT_MAJOR_VERSION 0x3098
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#endif
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#ifndef EGL_CONTEXT_MINOR_VERSION
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#define EGL_CONTEXT_MINOR_VERSION 0x30FB
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#endif
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enum ContextEGLOpenGLAPI
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{
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CEGL_API_OPENGL,
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CEGL_API_OPENGL_ES
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};
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enum ContextEGLSurfaceType
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{
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CEGL_SURFACE_WINDOW,
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CEGL_SURFACE_PBUFFER
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};
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struct ContextEGLParams
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{
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ContextEGLOpenGLAPI opengl_api;
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ContextEGLSurfaceType surface_type;
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EGLNativeWindowType window;
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EGLNativeDisplayType display;
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bool force_legacy_device;
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bool with_alpha_channel;
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bool vsync_enabled;
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int pbuffer_width;
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int pbuffer_height;
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};
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class ContextManagerEGL
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{
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private:
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EGLNativeWindowType m_egl_window;
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EGLDisplay m_egl_display;
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EGLSurface m_egl_surface;
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EGLContext m_egl_context;
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EGLConfig m_egl_config;
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ContextEGLParams m_creation_params;
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bool m_is_legacy_device;
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bool m_initialized;
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int m_egl_version;
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bool initDisplay();
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bool chooseConfig();
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bool createSurface();
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bool createContext();
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bool hasEGLExtension(const char* extension);
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bool checkEGLError();
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public:
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ContextManagerEGL();
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~ContextManagerEGL();
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bool init(const ContextEGLParams& params);
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void close();
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void reloadEGLSurface(void* window);
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bool swapBuffers();
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bool makeCurrent();
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bool isLegacyDevice() {return m_is_legacy_device;}
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bool getSurfaceDimensions(int* width, int* height);
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};
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#endif
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#endif
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