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EGL is always double-buffered

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1688 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
beuc 2014-06-01 09:48:51 +00:00
parent 25be478938
commit 13416c05d6
2 changed files with 8 additions and 1 deletions
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3
freeglut/freeglut/src/egl/fg_state_egl.c
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@ -88,6 +88,9 @@ int fghPlatformGlutGetEGL ( GLenum eWhat )
return 0; return 0;
return fgPlatformGetConfig( EGL_NATIVE_VISUAL_ID ); return fgPlatformGetConfig( EGL_NATIVE_VISUAL_ID );
case GLUT_WINDOW_DOUBLEBUFFER:
return 1; /* EGL is always double-buffered */
default: default:
fgWarning( "glutGet(): missing enum handle %d", eWhat ); fgWarning( "glutGet(): missing enum handle %d", eWhat );
break; break;

6
freeglut/freeglut/src/fg_window.c
View File

@ -127,15 +127,19 @@ void fgOpenWindow( SFG_Window* window, const char* title,
fgSetWindow( window ); fgSetWindow( window );
#ifndef EGL_VERSION_1_0
window->Window.DoubleBuffered = window->Window.DoubleBuffered =
( fgState.DisplayMode & GLUT_DOUBLE ) ? 1 : 0; ( fgState.DisplayMode & GLUT_DOUBLE ) ? 1 : 0;
#ifndef EGL_VERSION_1_0 /* No glDrawBuffer/glReadBuffer in GLES */
if ( ! window->Window.DoubleBuffered ) if ( ! window->Window.DoubleBuffered )
{ {
glDrawBuffer ( GL_FRONT ); glDrawBuffer ( GL_FRONT );
glReadBuffer ( GL_FRONT ); glReadBuffer ( GL_FRONT );
} }
#else
/* - EGL is always double-buffered */
/* - No glDrawBuffer/glReadBuffer in GLES */
window->Window.DoubleBuffered = 1;
#endif #endif
window->Window.attribute_v_coord = -1; window->Window.attribute_v_coord = -1;
window->Window.attribute_v_normal = -1; window->Window.attribute_v_normal = -1;