dolphin/Source/Core/DolphinWX/Src/GLInterface/EGL.cpp

162 lines
4.4 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// This program 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, version 2.0.
// This program 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Host.h"
#include "RenderBase.h"
#include "../GLInterface.h"
#include "EGL.h"
// Show the current FPS
void cInterfaceEGL::UpdateFPSDisplay(const char *text)
{
Platform.UpdateFPSDisplay(text);
}
void cInterfaceEGL::Swap()
{
eglSwapBuffers(GLWin.egl_dpy, GLWin.egl_surf);
}
void cInterfaceEGL::SwapInterval(int Interval)
{
eglSwapInterval(GLWin.egl_dpy, Interval);
}
// Create rendering window.
// Call browser: Core.cpp:EmuThread() > main.cpp:Video_Initialize()
bool cInterfaceEGL::Create(void *&window_handle)
{
const char *s;
EGLint egl_major, egl_minor;
EGLConfig config;
EGLint num_configs;
// attributes for a visual in RGBA format with at least
// 8 bits per color
int attribs[] = {
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
#ifdef USE_GLES
#ifdef USE_GLES3
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
// OpenGL ES 3 bit is disabled for now, until we have a way to select it from runtime
// Qualcomm drivers don't even care if it is ES2 or ES3 bit set.
// Intel drivers /might/ not care, but that code path is untested
// EGL_RENDERABLE_TYPE, (1 << 6) /* EGL_OPENGL_ES3_BIT */,
#else
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
#endif
#else
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
#endif
EGL_NONE };
static const EGLint ctx_attribs[] = {
#ifdef USE_GLES
EGL_CONTEXT_CLIENT_VERSION, 2,
#endif
EGL_NONE
};
if(!Platform.SelectDisplay())
return false;
GLWin.egl_dpy = Platform.EGLGetDisplay();
if (!GLWin.egl_dpy) {
INFO_LOG(VIDEO, "Error: eglGetDisplay() failed\n");
return false;
}
GLWin.platform = Platform.platform;
if (!eglInitialize(GLWin.egl_dpy, &egl_major, &egl_minor)) {
INFO_LOG(VIDEO, "Error: eglInitialize() failed\n");
return false;
}
#ifdef USE_GLES
eglBindAPI(EGL_OPENGL_ES_API);
#else
eglBindAPI(EGL_OPENGL_API);
#endif
if (!eglChooseConfig( GLWin.egl_dpy, attribs, &config, 1, &num_configs)) {
INFO_LOG(VIDEO, "Error: couldn't get an EGL visual config\n");
exit(1);
}
if (!Platform.Init(config))
return false;
s = eglQueryString(GLWin.egl_dpy, EGL_VERSION);
INFO_LOG(VIDEO, "EGL_VERSION = %s\n", s);
s = eglQueryString(GLWin.egl_dpy, EGL_VENDOR);
INFO_LOG(VIDEO, "EGL_VENDOR = %s\n", s);
s = eglQueryString(GLWin.egl_dpy, EGL_EXTENSIONS);
INFO_LOG(VIDEO, "EGL_EXTENSIONS = %s\n", s);
s = eglQueryString(GLWin.egl_dpy, EGL_CLIENT_APIS);
INFO_LOG(VIDEO, "EGL_CLIENT_APIS = %s\n", s);
GLWin.egl_ctx = eglCreateContext(GLWin.egl_dpy, config, EGL_NO_CONTEXT, ctx_attribs );
if (!GLWin.egl_ctx) {
INFO_LOG(VIDEO, "Error: eglCreateContext failed\n");
exit(1);
}
GLWin.native_window = Platform.CreateWindow();
GLWin.egl_surf = eglCreateWindowSurface(GLWin.egl_dpy, config,
GLWin.native_window, NULL);
if (!GLWin.egl_surf) {
INFO_LOG(VIDEO, "Error: eglCreateWindowSurface failed\n");
exit(1);
}
Platform.ToggleFullscreen(SConfig::GetInstance().m_LocalCoreStartupParameter.bFullscreen);
window_handle = (void *)GLWin.native_window;
return true;
}
bool cInterfaceEGL::MakeCurrent()
{
return eglMakeCurrent(GLWin.egl_dpy, GLWin.egl_surf, GLWin.egl_surf, GLWin.egl_ctx);
}
// Close backend
void cInterfaceEGL::Shutdown()
{
Platform.DestroyWindow();
if (GLWin.egl_ctx && !eglMakeCurrent(GLWin.egl_dpy, GLWin.egl_surf, GLWin.egl_surf, GLWin.egl_ctx))
NOTICE_LOG(VIDEO, "Could not release drawing context.");
if (GLWin.egl_ctx)
{
eglMakeCurrent(GLWin.egl_dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
if(!eglDestroyContext(GLWin.egl_dpy, GLWin.egl_ctx))
NOTICE_LOG(VIDEO, "Could not destroy drawing context.");
if(!eglDestroySurface(GLWin.egl_dpy, GLWin.egl_surf))
NOTICE_LOG(VIDEO, "Could not destroy window surface.");
if(!eglTerminate(GLWin.egl_dpy))
NOTICE_LOG(VIDEO, "Could not destroy display connection.");
GLWin.egl_ctx = NULL;
}
}