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/*
* Copyright © 2010-2011 Linaro Limited
*
* This file is part of the glmark2 OpenGL (ES) 2.0 benchmark.
*
* glmark2 is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* glmark2 is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* glmark2. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Alexandros Frantzis (glmark2)
*/
#include "canvas-x11-egl.h"
#include "log.h"
#include "options.h"
#include <fstream>
#include <sstream>
#include <climits>
/*********************
* Protected methods *
*********************/
bool
CanvasX11EGL::init_gl_winsys()
{
egl_.init_display(reinterpret_cast<EGLNativeDisplayType>(xdpy_),
visual_config_);
return true;
}
XVisualInfo *
CanvasX11EGL::get_xvisualinfo()
{
XVisualInfo vis_tmpl;
XVisualInfo *vis_info;
int num_visuals;
EGLint vid;
if (!egl_.gotNativeConfig(vid))
{
Log::error("Failed to get a native-renderable EGLConfig\n");
return 0;
}
/* The X window visual must match the EGL config */
vis_tmpl.visualid = vid;
vis_info = XGetVisualInfo(xdpy_, VisualIDMask, &vis_tmpl,
&num_visuals);
if (!vis_info) {
Log::error("couldn't get X visual\n");
return 0;
}
return vis_info;
}
bool
CanvasX11EGL::make_current()
{
egl_.init_surface(reinterpret_cast<EGLNativeWindowType>(xwin_));
if (!egl_.valid()) {
Log::error("CanvasX11EGL: Invalid EGL state\n");
return false;
}
init_gl_extensions();
return true;
}
void
CanvasX11EGL::swap_buffers()
{
egl_.swap();
}
void
CanvasX11EGL::get_glvisualconfig(GLVisualConfig &visual_config)
{
egl_.getVisualConfig(visual_config);
}
/*******************
* Private methods *
*******************/
bool
CanvasX11EGL::reset_context()
{
return egl_.reset();
}
void
CanvasX11EGL::init_gl_extensions()
{
#if USE_GLESv2
if (GLExtensions::support("GL_OES_mapbuffer")) {
GLExtensions::MapBuffer =
reinterpret_cast<PFNGLMAPBUFFEROESPROC>(eglGetProcAddress("glMapBufferOES"));
GLExtensions::UnmapBuffer =
reinterpret_cast<PFNGLUNMAPBUFFEROESPROC>(eglGetProcAddress("glUnmapBufferOES"));
}
#elif USE_GL
GLExtensions::MapBuffer = glMapBuffer;
GLExtensions::UnmapBuffer = glUnmapBuffer;
#endif
}
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