zenilib: zenilib/jni/external/sdl/src/video/x11/SDL_x11opengles.c Source File

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SDL_x11opengles.c
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1 /*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2013 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_config.h"
22
23 #if SDL_VIDEO_DRIVER_X11 && SDL_VIDEO_OPENGL_EGL
24
25 #include "SDL_x11video.h"
26 #include "SDL_x11opengles.h"
27 #include "SDL_x11opengl.h"
28
29 /* EGL implementation of SDL OpenGL support */
30
31 int
32 X11_GLES_LoadLibrary(_THIS, const char *path) {
33
34 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
35
36 /* If the profile requested is not GL ES, switch over to X11_GL functions */
37 if (_this->gl_config.profile_mask != SDL_GL_CONTEXT_PROFILE_ES) {
38 #if SDL_VIDEO_OPENGL_GLX
39 _this->GL_LoadLibrary = X11_GL_LoadLibrary;
40 _this->GL_GetProcAddress = X11_GL_GetProcAddress;
41 _this->GL_UnloadLibrary = X11_GL_UnloadLibrary;
42 _this->GL_CreateContext = X11_GL_CreateContext;
43 _this->GL_MakeCurrent = X11_GL_MakeCurrent;
44 _this->GL_SetSwapInterval = X11_GL_SetSwapInterval;
45 _this->GL_GetSwapInterval = X11_GL_GetSwapInterval;
46 _this->GL_SwapWindow = X11_GL_SwapWindow;
47 _this->GL_DeleteContext = X11_GL_DeleteContext;
48 return X11_GL_LoadLibrary(_this, path);
49 #else
50 return SDL_SetError("SDL not configured with OpenGL/GLX support");
51 #endif
52 }
53
54 return SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType) data->display);
55 }
56
57 XVisualInfo *
58 X11_GLES_GetVisual(_THIS, Display * display, int screen)
59 {
60
61 XVisualInfo *egl_visualinfo = NULL;
62 EGLint visual_id;
63 XVisualInfo vi_in;
64 int out_count;
65
66 if (!_this->egl_data) {
67 /* The EGL library wasn't loaded, SDL_GetError() should have info */
68 return NULL;
69 }
70
71 if (_this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display,
72 _this->egl_data->egl_config,
73 EGL_NATIVE_VISUAL_ID,
74 &visual_id) == EGL_FALSE || !visual_id) {
75 /* Use the default visual when all else fails */
76 vi_in.screen = screen;
77 egl_visualinfo = XGetVisualInfo(display,
78 VisualScreenMask,
79 &vi_in, &out_count);
80 } else {
81 vi_in.screen = screen;
82 vi_in.visualid = visual_id;
83 egl_visualinfo = XGetVisualInfo(display, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
84 }
85
86 return egl_visualinfo;
87 }
88
89 SDL_GLContext
90 X11_GLES_CreateContext(_THIS, SDL_Window * window)
91 {
92 SDL_GLContext context;
93 SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
94 Display *display = data->videodata->display;
95
96 XSync(display, False);
97 context = SDL_EGL_CreateContext(_this, data->egl_surface);
98 XSync(display, False);
99
100 return context;
101 }
102
103 SDL_EGL_SwapWindow_impl(X11)
104 SDL_EGL_MakeCurrent_impl(X11)
105
106 #endif /* SDL_VIDEO_DRIVER_X11 && SDL_VIDEO_OPENGL_EGL */
107
108 /* vi: set ts=4 sw=4 expandtab: */
SDL_VideoData::display
Display * display
Definition: SDL_x11video.h:75
NULL
#define NULL
Definition: ftobjs.h:61
SDL_VideoDevice::GL_MakeCurrent
int(* GL_MakeCurrent)(_THIS, SDL_Window *window, SDL_GLContext context)
Definition: SDL_sysvideo.h:226
SDL_VideoDevice::driverdata
void * driverdata
Definition: SDL_sysvideo.h:314
SDL_VideoDevice::profile_mask
int profile_mask
Definition: SDL_sysvideo.h:294
SDL_x11opengl.h
SDL_x11opengles.h
SDL_GLContext
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:161
EGLint
khronos_int32_t EGLint
Definition: eglplatform.h:127
display
char * display
Definition: visualinfo.c:85
if
if(!yyg->yy_init)
Definition: glslang_lex.cpp:1037
path
GLsizei const GLchar *const * path
Definition: glew.h:5828
SDL_config.h
EGL_NATIVE_VISUAL_ID
#define EGL_NATIVE_VISUAL_ID
Definition: egl.h:110
SDL_WindowData
Definition: SDL_androidwindow.h:33
SDL_VideoDevice::GL_SetSwapInterval
int(* GL_SetSwapInterval)(_THIS, int interval)
Definition: SDL_sysvideo.h:228
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:92
SDL_VideoDevice::GL_UnloadLibrary
void(* GL_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:224
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl2ext.h:848
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
SDL_WindowData::videodata
struct SDL_VideoData * videodata
Definition: SDL_cocoawindow.h:90
SDL_SetError
DECLSPEC int SDLCALL SDL_SetError(const char *fmt,...)
Definition: SDL_error.c:53
EGL_FALSE
#define EGL_FALSE
Definition: egl.h:64
SDL_VideoDevice::GL_GetSwapInterval
int(* GL_GetSwapInterval)(_THIS)
Definition: SDL_sysvideo.h:229
SDL_VideoDevice::GL_DeleteContext
void(* GL_DeleteContext)(_THIS, SDL_GLContext context)
Definition: SDL_sysvideo.h:231
SDL_Window
Definition: SDL_sysvideo.h:71
SDL_VideoDevice::GL_CreateContext
SDL_GLContext(* GL_CreateContext)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:225
SDL_VideoDevice::GL_LoadLibrary
int(* GL_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:222
SDL_VideoDevice::GL_SwapWindow
void(* GL_SwapWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:230
SDL_x11video.h
SDL_VideoData
Definition: SDL_androidvideo.h:35
NativeDisplayType
EGLNativeDisplayType NativeDisplayType
Definition: eglplatform.h:115
SDL_Window::driverdata
void * driverdata
Definition: SDL_sysvideo.h:99
context
TParseContext * context
Definition: glslang_tab.cpp:1907
SDL_GL_CONTEXT_PROFILE_ES
Definition: SDL_video.h:197
SDL_VideoDevice::gl_config
struct SDL_VideoDevice::@87 gl_config
SDL_VideoDevice::GL_GetProcAddress
void *(* GL_GetProcAddress)(_THIS, const char *proc)
Definition: SDL_sysvideo.h:223
SDL_WindowData::egl_surface
EGLSurface egl_surface
Definition: SDL_androidwindow.h:35