SDL 2.0
SDL_egl_c.h
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
4
5 This software is provided 'as-is', without any express or implied
6 warranty. In no event will the authors be held liable for any damages
7 arising from the use of this software.
8
9 Permission is granted to anyone to use this software for any purpose,
10 including commercial applications, and to alter it and redistribute it
11 freely, subject to the following restrictions:
12
13 1. The origin of this software must not be misrepresented; you must not
14 claim that you wrote the original software. If you use this software
15 in a product, an acknowledgment in the product documentation would be
16 appreciated but is not required.
17 2. Altered source versions must be plainly marked as such, and must not be
18 misrepresented as being the original software.
19 3. This notice may not be removed or altered from any source distribution.
20*/
21#include "../SDL_internal.h"
22
23#ifndef SDL_egl_h_
24#define SDL_egl_h_
25
26#if SDL_VIDEO_OPENGL_EGL
27
28#include "SDL_egl.h"
29
30#include "SDL_sysvideo.h"
31
32typedef struct SDL_EGL_VideoData
33{
34 void *egl_dll_handle, *dll_handle;
35 EGLDisplay egl_display;
36 EGLConfig egl_config;
37 int egl_swapinterval;
38 int egl_surfacetype;
39 int egl_version_major, egl_version_minor;
40 EGLint egl_required_visual_id;
41
44 void *native_display,
45 const EGLint *attrib_list);
46 EGLDisplay(EGLAPIENTRY *eglGetPlatformDisplayEXT) (EGLenum platform,
47 void *native_display,
48 const EGLint *attrib_list);
50 EGLint * minor);
52
53 void *(EGLAPIENTRY *eglGetProcAddress) (const char * procName);
54
56 const EGLint * attrib_list,
57 EGLConfig * configs,
58 EGLint config_size, EGLint * num_config);
59
62 EGLContext share_list,
63 const EGLint * attrib_list);
64
66
68 EGLint const* attrib_list);
69
73 const EGLint * attrib_list);
75
78
80
82
84
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89
91
93
95
96} SDL_EGL_VideoData;
97
98/* OpenGLES functions */
99extern int SDL_EGL_GetAttribute(_THIS, SDL_GLattr attrib, int *value);
100/* SDL_EGL_LoadLibrary can get a display for a specific platform (EGL_PLATFORM_*)
101 * or, if 0 is passed, let the implementation decide.
102 */
103extern int SDL_EGL_LoadLibrary(_THIS, const char *path, NativeDisplayType native_display, EGLenum platform);
104extern void *SDL_EGL_GetProcAddress(_THIS, const char *proc);
105extern void SDL_EGL_UnloadLibrary(_THIS);
106extern void SDL_EGL_SetRequiredVisualId(_THIS, int visual_id);
107extern int SDL_EGL_ChooseConfig(_THIS);
108extern int SDL_EGL_SetSwapInterval(_THIS, int interval);
109extern int SDL_EGL_GetSwapInterval(_THIS);
110extern void SDL_EGL_DeleteContext(_THIS, SDL_GLContext context);
111extern EGLSurface *SDL_EGL_CreateSurface(_THIS, NativeWindowType nw);
112extern void SDL_EGL_DestroySurface(_THIS, EGLSurface egl_surface);
113
114/* These need to be wrapped to get the surface for the window by the platform GLES implementation */
115extern SDL_GLContext SDL_EGL_CreateContext(_THIS, EGLSurface egl_surface);
116extern int SDL_EGL_MakeCurrent(_THIS, EGLSurface egl_surface, SDL_GLContext context);
117extern int SDL_EGL_SwapBuffers(_THIS, EGLSurface egl_surface);
118
119/* SDL Error-reporting */
120extern int SDL_EGL_SetErrorEx(const char * message, const char * eglFunctionName, EGLint eglErrorCode);
121#define SDL_EGL_SetError(message, eglFunctionName) SDL_EGL_SetErrorEx(message, eglFunctionName, _this->egl_data->eglGetError())
122
123/* A few of useful macros */
124
125#define SDL_EGL_SwapWindow_impl(BACKEND) int \
126BACKEND ## _GLES_SwapWindow(_THIS, SDL_Window * window) \
127{\
128 return SDL_EGL_SwapBuffers(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);\
129}
130
131#define SDL_EGL_MakeCurrent_impl(BACKEND) int \
132BACKEND ## _GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context) \
133{\
134 if (window && context) { \
135 return SDL_EGL_MakeCurrent(_this, ((SDL_WindowData *) window->driverdata)->egl_surface, context); \
136 }\
137 else {\
138 return SDL_EGL_MakeCurrent(_this, NULL, NULL);\
139 }\
140}
141
142#define SDL_EGL_CreateContext_impl(BACKEND) SDL_GLContext \
143BACKEND ## _GLES_CreateContext(_THIS, SDL_Window * window) \
144{\
145 return SDL_EGL_CreateContext(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);\
146}
147
148#endif /* SDL_VIDEO_OPENGL_EGL */
149
150#endif /* SDL_egl_h_ */
151
152/* vi: set ts=4 sw=4 expandtab: */
#define _THIS
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 void
GLuint GLsizei const GLchar * message
GLuint const GLchar * name
GLsizei const GLchar *const * path
GLsizei const GLfloat * value
SDL_GLattr
OpenGL configuration attributes.
Definition: SDL_video.h:199
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:193
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display dpy)
Definition: SDL_x11sym.h:44
EGLAPI EGLBoolean EGLAPIENTRY eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
EGLAPI EGLBoolean EGLAPIENTRY eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
unsigned int EGLenum
Definition: egl.h:171
EGLAPI const char *EGLAPIENTRY eglQueryString(EGLDisplay dpy, EGLint name)
EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)
void * EGLContext
Definition: egl.h:60
EGLAPI EGLSurface EGLAPIENTRY eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list)
EGLAPI EGLBoolean EGLAPIENTRY eglTerminate(EGLDisplay dpy)
EGLAPI EGLBoolean EGLAPIENTRY eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)
void * EGLConfig
Definition: egl.h:58
EGLAPI EGLBoolean EGLAPIENTRY eglBindAPI(EGLenum api)
unsigned int EGLBoolean
Definition: egl.h:54
void * EGLDisplay
Definition: egl.h:55
EGLAPI EGLBoolean EGLAPIENTRY eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
EGLAPI EGLBoolean EGLAPIENTRY eglWaitNative(EGLint engine)
EGLAPI EGLDisplay EGLAPIENTRY eglGetDisplay(EGLNativeDisplayType display_id)
EGLAPI EGLBoolean EGLAPIENTRY eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
EGLAPI EGLBoolean EGLAPIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval)
EGLAPI __eglMustCastToProperFunctionPointerType EGLAPIENTRY eglGetProcAddress(const char *procname)
EGLAPI EGLBoolean EGLAPIENTRY eglWaitGL(void)
EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value)
EGLAPI EGLDisplay EGLAPIENTRY eglGetPlatformDisplay(EGLenum platform, void *native_display, const EGLAttrib *attrib_list)
EGLAPI EGLint EGLAPIENTRY eglGetError(void)
EGLAPI EGLContext EGLAPIENTRY eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list)
void * EGLSurface
Definition: egl.h:59
EGLSurface surface
Definition: eglext.h:248
EGLConfig config
Definition: eglext.h:433
EGLSurface EGLint attribute
Definition: eglext.h:263
EGLContext ctx
Definition: eglext.h:208
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
EGLenum const EGLAttribKHR * attrib_list
Definition: eglext.h:63
void * native_display
Definition: eglext.h:789
khronos_int32_t EGLint
Definition: eglplatform.h:122
EGLNativeDisplayType NativeDisplayType
Definition: eglplatform.h:110
EGLNativeWindowType NativeWindowType
Definition: eglplatform.h:112
#define EGLAPIENTRY
Definition: eglplatform.h:54
static screen_context_t context
Definition: video.c:25