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ShaderPlayground / deps / glfw / src / egl_context.h
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1//========================================================================
2// GLFW 3.3 EGL - www.glfw.org
3//------------------------------------------------------------------------
4// Copyright (c) 2002-2006 Marcus Geelnard
5// Copyright (c) 2006-2017 Camilla Löwy <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#if defined(_GLFW_USE_EGLPLATFORM_H)
29 #include <EGL/eglplatform.h>
30#elif defined(_GLFW_WIN32)
31 #define EGLAPIENTRY __stdcall
32typedef HDC EGLNativeDisplayType;
33typedef HWND EGLNativeWindowType;
34#elif defined(_GLFW_COCOA)
35 #define EGLAPIENTRY
36typedef void* EGLNativeDisplayType;
37typedef id EGLNativeWindowType;
38#elif defined(_GLFW_X11)
39 #define EGLAPIENTRY
40typedef Display* EGLNativeDisplayType;
41typedef Window EGLNativeWindowType;
42#elif defined(_GLFW_WAYLAND)
43 #define EGLAPIENTRY
44typedef struct wl_display* EGLNativeDisplayType;
45typedef struct wl_egl_window* EGLNativeWindowType;
46#else
47 #error "No supported EGL platform selected"
48#endif
49
50#define EGL_SUCCESS 0x3000
51#define EGL_NOT_INITIALIZED 0x3001
52#define EGL_BAD_ACCESS 0x3002
53#define EGL_BAD_ALLOC 0x3003
54#define EGL_BAD_ATTRIBUTE 0x3004
55#define EGL_BAD_CONFIG 0x3005
56#define EGL_BAD_CONTEXT 0x3006
57#define EGL_BAD_CURRENT_SURFACE 0x3007
58#define EGL_BAD_DISPLAY 0x3008
59#define EGL_BAD_MATCH 0x3009
60#define EGL_BAD_NATIVE_PIXMAP 0x300a
61#define EGL_BAD_NATIVE_WINDOW 0x300b
62#define EGL_BAD_PARAMETER 0x300c
63#define EGL_BAD_SURFACE 0x300d
64#define EGL_CONTEXT_LOST 0x300e
65#define EGL_COLOR_BUFFER_TYPE 0x303f
66#define EGL_RGB_BUFFER 0x308e
67#define EGL_SURFACE_TYPE 0x3033
68#define EGL_WINDOW_BIT 0x0004
69#define EGL_RENDERABLE_TYPE 0x3040
70#define EGL_OPENGL_ES_BIT 0x0001
71#define EGL_OPENGL_ES2_BIT 0x0004
72#define EGL_OPENGL_BIT 0x0008
73#define EGL_ALPHA_SIZE 0x3021
74#define EGL_BLUE_SIZE 0x3022
75#define EGL_GREEN_SIZE 0x3023
76#define EGL_RED_SIZE 0x3024
77#define EGL_DEPTH_SIZE 0x3025
78#define EGL_STENCIL_SIZE 0x3026
79#define EGL_SAMPLES 0x3031
80#define EGL_OPENGL_ES_API 0x30a0
81#define EGL_OPENGL_API 0x30a2
82#define EGL_NONE 0x3038
83#define EGL_EXTENSIONS 0x3055
84#define EGL_CONTEXT_CLIENT_VERSION 0x3098
85#define EGL_NATIVE_VISUAL_ID 0x302e
86#define EGL_NO_SURFACE ((EGLSurface) 0)
87#define EGL_NO_DISPLAY ((EGLDisplay) 0)
88#define EGL_NO_CONTEXT ((EGLContext) 0)
89#define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType) 0)
90
91#define EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR 0x00000002
92#define EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR 0x00000001
93#define EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR 0x00000002
94#define EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR 0x00000001
95#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR 0x31bd
96#define EGL_NO_RESET_NOTIFICATION_KHR 0x31be
97#define EGL_LOSE_CONTEXT_ON_RESET_KHR 0x31bf
98#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR 0x00000004
99#define EGL_CONTEXT_MAJOR_VERSION_KHR 0x3098
100#define EGL_CONTEXT_MINOR_VERSION_KHR 0x30fb
101#define EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR 0x30fd
102#define EGL_CONTEXT_FLAGS_KHR 0x30fc
103#define EGL_CONTEXT_OPENGL_NO_ERROR_KHR 0x31b3
104#define EGL_GL_COLORSPACE_KHR 0x309d
105#define EGL_GL_COLORSPACE_SRGB_KHR 0x3089
106#define EGL_CONTEXT_RELEASE_BEHAVIOR_KHR 0x2097
107#define EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR 0
108#define EGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_KHR 0x2098
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 * PFN_eglGetConfigAttrib)(EGLDisplay,EGLConfig,EGLint,EGLint*);
120typedef EGLBoolean (EGLAPIENTRY * PFN_eglGetConfigs)(EGLDisplay,EGLConfig*,EGLint,EGLint*);
121typedef EGLDisplay (EGLAPIENTRY * PFN_eglGetDisplay)(EGLNativeDisplayType);
122typedef EGLint (EGLAPIENTRY * PFN_eglGetError)(void);
123typedef EGLBoolean (EGLAPIENTRY * PFN_eglInitialize)(EGLDisplay,EGLint*,EGLint*);
124typedef EGLBoolean (EGLAPIENTRY * PFN_eglTerminate)(EGLDisplay);
125typedef EGLBoolean (EGLAPIENTRY * PFN_eglBindAPI)(EGLenum);
126typedef EGLContext (EGLAPIENTRY * PFN_eglCreateContext)(EGLDisplay,EGLConfig,EGLContext,const EGLint*);
127typedef EGLBoolean (EGLAPIENTRY * PFN_eglDestroySurface)(EGLDisplay,EGLSurface);
128typedef EGLBoolean (EGLAPIENTRY * PFN_eglDestroyContext)(EGLDisplay,EGLContext);
129typedef EGLSurface (EGLAPIENTRY * PFN_eglCreateWindowSurface)(EGLDisplay,EGLConfig,EGLNativeWindowType,const EGLint*);
130typedef EGLBoolean (EGLAPIENTRY * PFN_eglMakeCurrent)(EGLDisplay,EGLSurface,EGLSurface,EGLContext);
131typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapBuffers)(EGLDisplay,EGLSurface);
132typedef EGLBoolean (EGLAPIENTRY * PFN_eglSwapInterval)(EGLDisplay,EGLint);
133typedef const char* (EGLAPIENTRY * PFN_eglQueryString)(EGLDisplay,EGLint);
134typedef GLFWglproc (EGLAPIENTRY * PFN_eglGetProcAddress)(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// EGL-specific global data
169//
170typedef struct _GLFWlibraryEGL
171{
172 EGLDisplay display;
173 EGLint major, minor;
174 GLFWbool prefix;
175
176 GLFWbool KHR_create_context;
177 GLFWbool KHR_create_context_no_error;
178 GLFWbool KHR_gl_colorspace;
179 GLFWbool KHR_get_all_proc_addresses;
180 GLFWbool KHR_context_flush_control;
181
182 void* handle;
183
184 PFN_eglGetConfigAttrib GetConfigAttrib;
185 PFN_eglGetConfigs GetConfigs;
186 PFN_eglGetDisplay GetDisplay;
187 PFN_eglGetError GetError;
188 PFN_eglInitialize Initialize;
189 PFN_eglTerminate Terminate;
190 PFN_eglBindAPI BindAPI;
191 PFN_eglCreateContext CreateContext;
192 PFN_eglDestroySurface DestroySurface;
193 PFN_eglDestroyContext DestroyContext;
194 PFN_eglCreateWindowSurface CreateWindowSurface;
195 PFN_eglMakeCurrent MakeCurrent;
196 PFN_eglSwapBuffers SwapBuffers;
197 PFN_eglSwapInterval SwapInterval;
198 PFN_eglQueryString QueryString;
199 PFN_eglGetProcAddress GetProcAddress;
200
201} _GLFWlibraryEGL;
202
203
204GLFWbool _glfwInitEGL(void);
205void _glfwTerminateEGL(void);
206GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
207 const _GLFWctxconfig* ctxconfig,
208 const _GLFWfbconfig* fbconfig);
209#if defined(_GLFW_X11)
210GLFWbool _glfwChooseVisualEGL(const _GLFWwndconfig* wndconfig,
211 const _GLFWctxconfig* ctxconfig,
212 const _GLFWfbconfig* fbconfig,
213 Visual** visual, int* depth);
214#endif /*_GLFW_X11*/
215