pcsx2/plugins/GSdx/GSWndEGL.cpp

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/*
* Copyright (C) 2007-2012 Gabest
* http://www.gabest.org
*
* 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; either version 2, or (at your option)
* any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "stdafx.h"
#include "GSWndEGL.h"
2016-05-01 09:43:18 +00:00
#if defined(__unix__) && defined(EGL_SUPPORTED)
GSWndEGL::GSWndEGL()
: m_NativeWindow(0), m_NativeDisplay(NULL)
{
}
void GSWndEGL::CreateContext(int major, int minor)
{
EGLConfig eglConfig;
EGLint numConfigs = 0;
EGLint contextAttribs[] =
{
EGL_CONTEXT_MAJOR_VERSION_KHR, major,
EGL_CONTEXT_MINOR_VERSION_KHR, minor,
#ifdef ENABLE_OGL_DEBUG
EGL_CONTEXT_FLAGS_KHR, EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR,
#else
// Open Source isn't happy with an unsupported flags...
//EGL_CONTEXT_FLAGS_KHR, GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR,
#endif
EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR,
EGL_NONE
};
EGLint NullContextAttribs[] = { EGL_NONE };
EGLint attrList[] = {
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_DEPTH_SIZE, 24,
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
EGL_NONE
};
BindAPI();
eglChooseConfig(m_eglDisplay, attrList, &eglConfig, 1, &numConfigs);
if ( numConfigs == 0 )
{
fprintf(stderr,"EGL: Failed to get a frame buffer config! (0x%x)\n", eglGetError() );
throw GSDXRecoverableError();
}
m_eglSurface = eglCreateWindowSurface(m_eglDisplay, eglConfig, m_NativeWindow, NULL);
if ( m_eglSurface == EGL_NO_SURFACE )
{
fprintf(stderr,"EGL: Failed to get a window surface\n");
throw GSDXRecoverableError();
}
m_eglContext = eglCreateContext(m_eglDisplay, eglConfig, EGL_NO_CONTEXT, contextAttribs);
EGLint status = eglGetError();
if (status == EGL_BAD_ATTRIBUTE || status == EGL_BAD_MATCH) {
// Radeon/Gallium don't support advance attribute. Fallback to random value
// Note: Intel gives an EGL_BAD_MATCH. I don't know why but let's by stubborn and retry.
fprintf(stderr, "EGL: warning your driver doesn't support advance openGL context attributes\n");
m_eglContext = eglCreateContext(m_eglDisplay, eglConfig, EGL_NO_CONTEXT, NullContextAttribs);
status = eglGetError();
}
if ( m_eglContext == EGL_NO_CONTEXT )
{
fprintf(stderr,"EGL: Failed to create the context\n");
fprintf(stderr,"EGL STATUS: %x\n", status);
throw GSDXRecoverableError();
}
if ( !eglMakeCurrent(m_eglDisplay, m_eglSurface, m_eglSurface, m_eglContext) )
{
throw GSDXRecoverableError();
}
}
void GSWndEGL::AttachContext()
{
if (!IsContextAttached()) {
// The setting of the API is local to a thread. This function
// can be called from 2 threads.
BindAPI();
//fprintf(stderr, "Attach the context\n");
eglMakeCurrent(m_eglDisplay, m_eglSurface, m_eglSurface, m_eglContext);
m_ctx_attached = true;
}
}
void GSWndEGL::DetachContext()
{
if (IsContextAttached()) {
//fprintf(stderr, "Detach the context\n");
eglMakeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
m_ctx_attached = false;
}
}
void GSWndEGL::CheckContext()
{
fprintf(stderr,"EGL: %s : %s\n", eglQueryString(m_eglDisplay, EGL_VENDOR) , eglQueryString(m_eglDisplay, EGL_VERSION) );
fprintf(stderr,"EGL: extensions supported: %s\n", eglQueryString(m_eglDisplay, EGL_EXTENSIONS));
}
void GSWndEGL::BindAPI()
{
eglBindAPI(EGL_OPENGL_API);
EGLenum api = eglQueryAPI();
if (api != EGL_OPENGL_API) {
fprintf(stderr,"EGL: Failed to bind the OpenGL API got 0x%x instead\n", api);
throw GSDXRecoverableError();
}
}
bool GSWndEGL::Attach(void* handle, bool managed)
{
m_NativeWindow = *(Window*)handle;
m_managed = managed;
m_NativeDisplay = XOpenDisplay(NULL);
OpenEGLDisplay();
CreateContext(3, 3);
AttachContext();
CheckContext();
PopulateGlFunction();
return true;
}
void GSWndEGL::Detach()
{
// Actually the destructor is not called when there is only a GSclose/GSshutdown
// The window still need to be closed
DetachContext();
eglDestroyContext(m_eglDisplay, m_eglContext);
m_eglContext = NULL;
eglDestroySurface(m_eglDisplay, m_eglSurface);
m_eglSurface = NULL;
CloseEGLDisplay();
if (m_NativeDisplay) {
XCloseDisplay(m_NativeDisplay);
m_NativeDisplay = NULL;
}
}
bool GSWndEGL::Create(const string& title, int w, int h)
{
if(m_NativeWindow)
throw GSDXRecoverableError();
if(w <= 0 || h <= 0) {
w = theApp.GetConfigI("ModeWidth");
h = theApp.GetConfigI("ModeHeight");
}
m_managed = true;
// note this part must be only executed when replaying .gs debug file
m_NativeDisplay = XOpenDisplay(NULL);
OpenEGLDisplay();
m_NativeWindow = XCreateSimpleWindow(m_NativeDisplay, DefaultRootWindow(m_NativeDisplay), 0, 0, w, h, 0, 0, 0);
XMapWindow (m_NativeDisplay, m_NativeWindow);
CreateContext(3, 3);
AttachContext();
CheckContext();
PopulateGlFunction();
if (m_NativeWindow == 0)
throw GSDXRecoverableError();
return true;
}
void* GSWndEGL::GetProcAddress(const char* name, bool opt)
{
void* ptr = (void*)eglGetProcAddress(name);
if (ptr == NULL) {
fprintf(stderr, "Failed to find %s\n", name);
if (!opt)
throw GSDXRecoverableError();
}
return ptr;
}
void* GSWndEGL::GetDisplay()
{
// note this part must be only executed when replaying .gs debug file
return (void*)m_NativeDisplay;
}
GSVector4i GSWndEGL::GetClientRect()
{
unsigned int h = 480;
unsigned int w = 640;
unsigned int borderDummy;
unsigned int depthDummy;
Window winDummy;
int xDummy;
int yDummy;
if (!m_NativeDisplay) m_NativeDisplay = XOpenDisplay(NULL);
XGetGeometry(m_NativeDisplay, m_NativeWindow, &winDummy, &xDummy, &yDummy, &w, &h, &borderDummy, &depthDummy);
return GSVector4i(0, 0, (int)w, (int)h);
}
// Returns FALSE if the window has no title, or if th window title is under the strict
// management of the emulator.
bool GSWndEGL::SetWindowText(const char* title)
{
if (!m_managed) return true;
XTextProperty prop;
memset(&prop, 0, sizeof(prop));
char* ptitle = (char*)title;
if (XStringListToTextProperty(&ptitle, 1, &prop)) {
XSetWMName(m_NativeDisplay, m_NativeWindow, &prop);
}
XFree(prop.value);
XFlush(m_NativeDisplay);
return true;
}
void GSWndEGL::SetVSync(bool enable)
{
// 0 -> disable vsync
// n -> wait n frame
eglSwapInterval(m_eglDisplay, enable);
}
void GSWndEGL::Flip()
{
eglSwapBuffers(m_eglDisplay, m_eglSurface);
}
void GSWndEGL::Show()
{
XMapRaised(m_NativeDisplay, m_NativeWindow);
XFlush(m_NativeDisplay);
}
void GSWndEGL::Hide()
{
XUnmapWindow(m_NativeDisplay, m_NativeWindow);
XFlush(m_NativeDisplay);
}
void GSWndEGL::HideFrame()
{
// TODO
}
void GSWndEGL::CloseEGLDisplay()
{
eglReleaseThread();
eglTerminate(m_eglDisplay);
}
void GSWndEGL::OpenEGLDisplay()
{
// Create an EGL display from the native display
m_eglDisplay = eglGetDisplay((EGLNativeDisplayType)m_NativeDisplay);
if ( m_eglDisplay == EGL_NO_DISPLAY ) {
fprintf(stderr,"EGL: Failed to open a display! (0x%x)\n", eglGetError() );
throw GSDXRecoverableError();
}
if ( !eglInitialize(m_eglDisplay, NULL, NULL) ) {
fprintf(stderr,"EGL: Failed to initialize the display! (0x%x)\n", eglGetError() );
throw GSDXRecoverableError();
}
}
#endif