1//========================================================================
2// GLFW 3.2 EGL - www.glfw.org
3//------------------------------------------------------------------------
4// Copyright (c) 2002-2006 Marcus Geelnard
5// Copyright (c) 2006-2016 Camilla Berglund <elmindreda@glfw.org>
6//
7// This software is provided 'as-is', without any express or implied
8// warranty. In no event will the authors be held liable for any damages
9// arising from the use of this software.
10//
11// Permission is granted to anyone to use this software for any purpose,
12// including commercial applications, and to alter it and redistribute it
13// freely, subject to the following restrictions:
14//
15// 1. The origin of this software must not be misrepresented; you must not
16// claim that you wrote the original software. If you use this software
17// in a product, an acknowledgment in the product documentation would
18// be appreciated but is not required.
19//
20// 2. Altered source versions must be plainly marked as such, and must not
21// be misrepresented as being the original software.
22//
23// 3. This notice may not be removed or altered from any source
24// distribution.
25//
26//========================================================================
27
28#ifndef _glfw3_egl_context_h_
29#define _glfw3_egl_context_h_
30
31#if defined(_GLFW_USE_EGLPLATFORM_H)
32 #include <EGL/eglplatform.h>
33#elif defined(_GLFW_WIN32)
34 #define EGLAPIENTRY __stdcall
35typedef HDC EGLNativeDisplayType;
36typedef HWND EGLNativeWindowType;
37#elif defined(_GLFW_X11)
38 #define EGLAPIENTRY
39typedef Display* EGLNativeDisplayType;
40typedef Window EGLNativeWindowType;
41#elif defined(_GLFW_WAYLAND)
42 #define EGLAPIENTRY
43typedef struct wl_display* EGLNativeDisplayType;
44typedef struct wl_egl_window* EGLNativeWindowType;
45#elif defined(_GLFW_MIR)
46 #define EGLAPIENTRY
47typedef MirEGLNativeDisplayType EGLNativeDisplayType;
48typedef MirEGLNativeWindowType EGLNativeWindowType;
49#else
50 #error "No supported EGL platform selected"
51#endif
52
53#define EGL_SUCCESS 0x3000
54#define EGL_NOT_INITIALIZED 0x3001
55#define EGL_BAD_ACCESS 0x3002
56#define EGL_BAD_ALLOC 0x3003
57#define EGL_BAD_ATTRIBUTE 0x3004
58#define EGL_BAD_CONFIG 0x3005
59#define EGL_BAD_CONTEXT 0x3006
60#define EGL_BAD_CURRENT_SURFACE 0x3007
61#define EGL_BAD_DISPLAY 0x3008
62#define EGL_BAD_MATCH 0x3009
63#define EGL_BAD_NATIVE_PIXMAP 0x300a
64#define EGL_BAD_NATIVE_WINDOW 0x300b
65#define EGL_BAD_PARAMETER 0x300c
66#define EGL_BAD_SURFACE 0x300d
67#define EGL_CONTEXT_LOST 0x300e
68#define EGL_COLOR_BUFFER_TYPE 0x303f
69#define EGL_RGB_BUFFER 0x308e
70#define EGL_SURFACE_TYPE 0x3033
71#define EGL_WINDOW_BIT 0x0004
72#define EGL_RENDERABLE_TYPE 0x3040
73#define EGL_OPENGL_ES_BIT 0x0001
74#define EGL_OPENGL_ES2_BIT 0x0004
75#define EGL_OPENGL_BIT 0x0008
76#define EGL_ALPHA_SIZE 0x3021
77#define EGL_BLUE_SIZE 0x3022
78#define EGL_GREEN_SIZE 0x3023
79#define EGL_RED_SIZE 0x3024
80#define EGL_DEPTH_SIZE 0x3025
81#define EGL_STENCIL_SIZE 0x3026
82#define EGL_SAMPLES 0x3031
83#define EGL_OPENGL_ES_API 0x30a0
84#define EGL_OPENGL_API 0x30a2
85#define EGL_NONE 0x3038
86#define EGL_EXTENSIONS 0x3055
87#define EGL_CONTEXT_CLIENT_VERSION 0x3098
88#define EGL_NATIVE_VISUAL_ID 0x302e
89#define EGL_NO_SURFACE ((EGLSurface) 0)
90#define EGL_NO_DISPLAY ((EGLDisplay) 0)
91#define EGL_NO_CONTEXT ((EGLContext) 0)
92#define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType) 0)
93
94#define EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR 0x00000002
95#define EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR 0x00000001
96#define EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR 0x00000002
97#define EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR 0x00000001
98#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR 0x31bd
99#define EGL_NO_RESET_NOTIFICATION_KHR 0x31be
100#define EGL_LOSE_CONTEXT_ON_RESET_KHR 0x31bf
101#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR 0x00000004
102#define EGL_CONTEXT_MAJOR_VERSION_KHR 0x3098
103#define EGL_CONTEXT_MINOR_VERSION_KHR 0x30fb
104#define EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR 0x30fd
105#define EGL_CONTEXT_FLAGS_KHR 0x30fc
106#define EGL_CONTEXT_OPENGL_NO_ERROR_KHR 0x31b3
107#define EGL_GL_COLORSPACE_KHR 0x309d
108#define EGL_GL_COLORSPACE_SRGB_KHR 0x3089
109
110typedef int EGLint;
111typedef unsigned int EGLBoolean;
112typedef unsigned int EGLenum;
113typedef void* EGLConfig;
114typedef void* EGLContext;
115typedef void* EGLDisplay;
116typedef void* EGLSurface;
117
118// EGL function pointer typedefs
119typedef EGLBoolean (EGLAPIENTRY * PFNEGLGETCONFIGATTRIBPROC)(EGLDisplay,EGLConfig,EGLint,EGLint*);
120typedef EGLBoolean (EGLAPIENTRY * PFNEGLGETCONFIGSPROC)(EGLDisplay,EGLConfig*,EGLint,EGLint*);
121typedef EGLDisplay (EGLAPIENTRY * PFNEGLGETDISPLAYPROC)(EGLNativeDisplayType);
122typedef EGLint (EGLAPIENTRY * PFNEGLGETERRORPROC)(void);
123typedef EGLBoolean (EGLAPIENTRY * PFNEGLINITIALIZEPROC)(EGLDisplay,EGLint*,EGLint*);
124typedef EGLBoolean (EGLAPIENTRY * PFNEGLTERMINATEPROC)(EGLDisplay);
125typedef EGLBoolean (EGLAPIENTRY * PFNEGLBINDAPIPROC)(EGLenum);
126typedef EGLContext (EGLAPIENTRY * PFNEGLCREATECONTEXTPROC)(EGLDisplay,EGLConfig,EGLContext,const EGLint*);
127typedef EGLBoolean (EGLAPIENTRY * PFNEGLDESTROYSURFACEPROC)(EGLDisplay,EGLSurface);
128typedef EGLBoolean (EGLAPIENTRY * PFNEGLDESTROYCONTEXTPROC)(EGLDisplay,EGLContext);
129typedef EGLSurface (EGLAPIENTRY * PFNEGLCREATEWINDOWSURFACEPROC)(EGLDisplay,EGLConfig,EGLNativeWindowType,const EGLint*);
130typedef EGLBoolean (EGLAPIENTRY * PFNEGLMAKECURRENTPROC)(EGLDisplay,EGLSurface,EGLSurface,EGLContext);
131typedef EGLBoolean (EGLAPIENTRY * PFNEGLSWAPBUFFERSPROC)(EGLDisplay,EGLSurface);
132typedef EGLBoolean (EGLAPIENTRY * PFNEGLSWAPINTERVALPROC)(EGLDisplay,EGLint);
133typedef const char* (EGLAPIENTRY * PFNEGLQUERYSTRINGPROC)(EGLDisplay,EGLint);
134typedef GLFWglproc (EGLAPIENTRY * PFNEGLGETPROCADDRESSPROC)(const char*);
135#define eglGetConfigAttrib _glfw.egl.GetConfigAttrib
136#define eglGetConfigs _glfw.egl.GetConfigs
137#define eglGetDisplay _glfw.egl.GetDisplay
138#define eglGetError _glfw.egl.GetError
139#define eglInitialize _glfw.egl.Initialize
140#define eglTerminate _glfw.egl.Terminate
141#define eglBindAPI _glfw.egl.BindAPI
142#define eglCreateContext _glfw.egl.CreateContext
143#define eglDestroySurface _glfw.egl.DestroySurface
144#define eglDestroyContext _glfw.egl.DestroyContext
145#define eglCreateWindowSurface _glfw.egl.CreateWindowSurface
146#define eglMakeCurrent _glfw.egl.MakeCurrent
147#define eglSwapBuffers _glfw.egl.SwapBuffers
148#define eglSwapInterval _glfw.egl.SwapInterval
149#define eglQueryString _glfw.egl.QueryString
150#define eglGetProcAddress _glfw.egl.GetProcAddress
151
152#define _GLFW_EGL_CONTEXT_STATE _GLFWcontextEGL egl
153#define _GLFW_EGL_LIBRARY_CONTEXT_STATE _GLFWlibraryEGL egl
154
155
156// EGL-specific per-context data
157//
158typedef struct _GLFWcontextEGL
159{
160 EGLConfig config;
161 EGLContext handle;
162 EGLSurface surface;
163
164 void* client;
165
166} _GLFWcontextEGL;
167
168
169// EGL-specific global data
170//
171typedef struct _GLFWlibraryEGL
172{
173 EGLDisplay display;
174 EGLint major, minor;
175
176 GLFWbool KHR_create_context;
177 GLFWbool KHR_create_context_no_error;
178 GLFWbool KHR_gl_colorspace;
179
180 void* handle;
181
182 PFNEGLGETCONFIGATTRIBPROC GetConfigAttrib;
183 PFNEGLGETCONFIGSPROC GetConfigs;
184 PFNEGLGETDISPLAYPROC GetDisplay;
185 PFNEGLGETERRORPROC GetError;
186 PFNEGLINITIALIZEPROC Initialize;
187 PFNEGLTERMINATEPROC Terminate;
188 PFNEGLBINDAPIPROC BindAPI;
189 PFNEGLCREATECONTEXTPROC CreateContext;
190 PFNEGLDESTROYSURFACEPROC DestroySurface;
191 PFNEGLDESTROYCONTEXTPROC DestroyContext;
192 PFNEGLCREATEWINDOWSURFACEPROC CreateWindowSurface;
193 PFNEGLMAKECURRENTPROC MakeCurrent;
194 PFNEGLSWAPBUFFERSPROC SwapBuffers;
195 PFNEGLSWAPINTERVALPROC SwapInterval;
196 PFNEGLQUERYSTRINGPROC QueryString;
197 PFNEGLGETPROCADDRESSPROC GetProcAddress;
198
199} _GLFWlibraryEGL;
200
201
202GLFWbool _glfwInitEGL(void);
203void _glfwTerminateEGL(void);
204GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
205 const _GLFWctxconfig* ctxconfig,
206 const _GLFWfbconfig* fbconfig);
207#if defined(_GLFW_X11)
208GLFWbool _glfwChooseVisualEGL(const _GLFWctxconfig* ctxconfig,
209 const _GLFWfbconfig* fbconfig,
210 Visual** visual, int* depth);
211#endif /*_GLFW_X11*/
212
213#endif // _glfw3_egl_context_h_
214