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

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// 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 "VideoConfig.h"
#include "Host.h"
#include "RenderBase.h"
#include "VertexShaderManager.h"
#include "../GLInterface.h"
#include "EGL.h"
void cInterfaceEGL::CreateXWindow(void)
{
Atom wmProtocols[1];
// Setup window attributes
GLWin.attr.colormap = XCreateColormap(GLWin.x_evdpy,
GLWin.parent, GLWin.vi->visual, AllocNone);
GLWin.attr.event_mask = KeyPressMask | StructureNotifyMask | FocusChangeMask;
GLWin.attr.background_pixel = BlackPixel(GLWin.x_evdpy, GLWin.screen);
GLWin.attr.border_pixel = 0;
// Create the window
GLWin.win = XCreateWindow(GLWin.x_evdpy, GLWin.parent,
GLWin.x, GLWin.y, GLWin.width, GLWin.height, 0,
GLWin.vi->depth, InputOutput, GLWin.vi->visual,
CWBorderPixel | CWBackPixel | CWColormap | CWEventMask, &GLWin.attr);
wmProtocols[0] = XInternAtom(GLWin.x_evdpy, "WM_DELETE_WINDOW", True);
XSetWMProtocols(GLWin.x_evdpy, GLWin.win, wmProtocols, 1);
XSetStandardProperties(GLWin.x_evdpy, GLWin.win, "GPU", "GPU", None, NULL, 0, NULL);
XMapRaised(GLWin.x_evdpy, GLWin.win);
XSync(GLWin.x_evdpy, True);
GLWin.xEventThread = std::thread(&cInterfaceEGL::XEventThread, this);
}
void cInterfaceEGL::DestroyXWindow(void)
{
XUnmapWindow(GLWin.x_dpy, GLWin.win);
GLWin.win = 0;
if (GLWin.xEventThread.joinable())
GLWin.xEventThread.join();
XFreeColormap(GLWin.x_dpy, GLWin.attr.colormap);
}
void cInterfaceEGL::XEventThread()
{
// Free look variables
static bool mouseLookEnabled = false;
static bool mouseMoveEnabled = false;
static float lastMouse[2];
while (GLWin.win)
{
XEvent event;
KeySym key;
for (int num_events = XPending(GLWin.x_evdpy); num_events > 0; num_events--)
{
XNextEvent(GLWin.x_evdpy, &event);
switch(event.type) {
case KeyPress:
key = XLookupKeysym((XKeyEvent*)&event, 0);
switch (key)
{
case XK_3:
OSDChoice = 1;
// Toggle native resolution
g_Config.iEFBScale = g_Config.iEFBScale + 1;
if (g_Config.iEFBScale > 7) g_Config.iEFBScale = 0;
break;
case XK_4:
OSDChoice = 2;
// Toggle aspect ratio
g_Config.iAspectRatio = (g_Config.iAspectRatio + 1) & 3;
break;
case XK_5:
OSDChoice = 3;
// Toggle EFB copy
if (!g_Config.bEFBCopyEnable || g_Config.bCopyEFBToTexture)
{
g_Config.bEFBCopyEnable ^= true;
g_Config.bCopyEFBToTexture = false;
}
else
{
g_Config.bCopyEFBToTexture = !g_Config.bCopyEFBToTexture;
}
break;
case XK_6:
OSDChoice = 4;
g_Config.bDisableFog = !g_Config.bDisableFog;
break;
default:
break;
}
if (g_Config.bFreeLook)
{
static float debugSpeed = 1.0f;
switch (key)
{
case XK_parenleft:
debugSpeed /= 2.0f;
break;
case XK_parenright:
debugSpeed *= 2.0f;
break;
case XK_w:
VertexShaderManager::TranslateView(0.0f, debugSpeed);
break;
case XK_s:
VertexShaderManager::TranslateView(0.0f, -debugSpeed);
break;
case XK_a:
VertexShaderManager::TranslateView(debugSpeed, 0.0f);
break;
case XK_d:
VertexShaderManager::TranslateView(-debugSpeed, 0.0f);
break;
case XK_r:
VertexShaderManager::ResetView();
break;
}
}
break;
case ButtonPress:
if (g_Config.bFreeLook)
{
switch (event.xbutton.button)
{
case 2: // Middle button
lastMouse[0] = event.xbutton.x;
lastMouse[1] = event.xbutton.y;
mouseMoveEnabled = true;
break;
case 3: // Right button
lastMouse[0] = event.xbutton.x;
lastMouse[1] = event.xbutton.y;
mouseLookEnabled = true;
break;
}
}
break;
case ButtonRelease:
if (g_Config.bFreeLook)
{
switch (event.xbutton.button)
{
case 2: // Middle button
mouseMoveEnabled = false;
break;
case 3: // Right button
mouseLookEnabled = false;
break;
}
}
break;
case MotionNotify:
if (g_Config.bFreeLook)
{
if (mouseLookEnabled)
{
VertexShaderManager::RotateView((event.xmotion.x - lastMouse[0]) / 200.0f,
(event.xmotion.y - lastMouse[1]) / 200.0f);
lastMouse[0] = event.xmotion.x;
lastMouse[1] = event.xmotion.y;
}
if (mouseMoveEnabled)
{
VertexShaderManager::TranslateView((event.xmotion.x - lastMouse[0]) / 50.0f,
(event.xmotion.y - lastMouse[1]) / 50.0f);
lastMouse[0] = event.xmotion.x;
lastMouse[1] = event.xmotion.y;
}
}
break;
case ConfigureNotify:
Window winDummy;
unsigned int borderDummy, depthDummy;
XGetGeometry(GLWin.x_dpy, GLWin.win, &winDummy, &GLWin.x, &GLWin.y,
&GLWin.width, &GLWin.height, &borderDummy, &depthDummy);
s_backbuffer_width = GLWin.width;
s_backbuffer_height = GLWin.height;
break;
case ClientMessage:
if ((unsigned long) event.xclient.data.l[0] ==
XInternAtom(GLWin.x_dpy, "WM_DELETE_WINDOW", False))
Host_Message(WM_USER_STOP);
if ((unsigned long) event.xclient.data.l[0] ==
XInternAtom(GLWin.x_dpy, "RESIZE", False))
XMoveResizeWindow(GLWin.x_dpy, GLWin.win,
event.xclient.data.l[1], event.xclient.data.l[2],
event.xclient.data.l[3], event.xclient.data.l[4]);
break;
default:
break;
}
}
Common::SleepCurrentThread(20);
}
}
// Show the current FPS
void cInterfaceEGL::UpdateFPSDisplay(const char *text)
{
XStoreName(GLWin.x_dpy, GLWin.win, text);
}
void cInterfaceEGL::Swap()
{
eglSwapBuffers(GLWin.egl_dpy, GLWin.egl_surf);
}
// Create rendering window.
// Call browser: Core.cpp:EmuThread() > main.cpp:Video_Initialize()
bool cInterfaceEGL::Create(void *&window_handle)
{
int _tx, _ty, _twidth, _theight;
Host_GetRenderWindowSize(_tx, _ty, _twidth, _theight);
// Control window size and picture scaling
s_backbuffer_width = _twidth;
s_backbuffer_height = _theight;
const char *s;
EGLint egl_major, egl_minor;
GLWin.x_dpy = XOpenDisplay(NULL);
if (!GLWin.x_dpy) {
printf("Error: couldn't open display\n");
return false;
}
GLWin.egl_dpy = eglGetDisplay(GLWin.x_dpy);
if (!GLWin.egl_dpy) {
printf("Error: eglGetDisplay() failed\n");
return false;
}
if (!eglInitialize(GLWin.egl_dpy, &egl_major, &egl_minor)) {
printf("Error: eglInitialize() failed\n");
return false;
}
s = eglQueryString(GLWin.egl_dpy, EGL_VERSION);
printf("EGL_VERSION = %s\n", s);
s = eglQueryString(GLWin.egl_dpy, EGL_VENDOR);
printf("EGL_VENDOR = %s\n", s);
s = eglQueryString(GLWin.egl_dpy, EGL_EXTENSIONS);
printf("EGL_EXTENSIONS = %s\n", s);
s = eglQueryString(GLWin.egl_dpy, EGL_CLIENT_APIS);
printf("EGL_CLIENT_APIS = %s\n", s);
// attributes for a visual in RGBA format with at least
// 8 bits per color and a 24 bit depth buffer
int attribs[] = {
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_DEPTH_SIZE, 24,
#ifdef USE_GLES
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
#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
};
GLWin.x_evdpy = XOpenDisplay(NULL);
GLWin.parent = (Window)window_handle;
GLWin.screen = DefaultScreen(GLWin.x_dpy);
if (GLWin.parent == 0)
GLWin.parent = RootWindow(GLWin.x_dpy, GLWin.screen);
XVisualInfo visTemplate;
int num_visuals;
EGLConfig config;
EGLint num_configs;
EGLint vid;
if (!eglChooseConfig( GLWin.egl_dpy, attribs, &config, 1, &num_configs)) {
printf("Error: couldn't get an EGL visual config\n");
exit(1);
}
if (!eglGetConfigAttrib(GLWin.egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
printf("Error: eglGetConfigAttrib() failed\n");
exit(1);
}
/* The X window visual must match the EGL config */
visTemplate.visualid = vid;
GLWin.vi = XGetVisualInfo(GLWin.x_dpy, VisualIDMask, &visTemplate, &num_visuals);
if (!GLWin.vi) {
printf("Error: couldn't get X visual\n");
exit(1);
}
GLWin.x = _tx;
GLWin.y = _ty;
GLWin.width = _twidth;
GLWin.height = _theight;
CreateXWindow();
#ifdef USE_GLES
eglBindAPI(EGL_OPENGL_ES_API);
#else
eglBindAPI(EGL_OPENGL_API);
#endif
GLWin.egl_ctx = eglCreateContext(GLWin.egl_dpy, config, EGL_NO_CONTEXT, ctx_attribs );
if (!GLWin.egl_ctx) {
printf("Error: eglCreateContext failed\n");
exit(1);
}
GLWin.egl_surf = eglCreateWindowSurface(GLWin.egl_dpy, config, GLWin.win, NULL);
if (!GLWin.egl_surf) {
printf("Error: eglCreateWindowSurface failed\n");
exit(1);
}
if (!eglMakeCurrent(GLWin.egl_dpy, GLWin.egl_surf, GLWin.egl_surf, GLWin.egl_ctx)) {
printf("Error: eglMakeCurrent() failed\n");
return false;
}
printf("GL_VENDOR: %s\n", glGetString(GL_VENDOR));
printf("GL_RENDERER: %s\n", glGetString(GL_RENDERER));
printf("GL_VERSION: %s\n", glGetString(GL_VERSION));
printf("GL_EXTENSIONS: %s\n", glGetString(GL_EXTENSIONS));
/* Set initial projection/viewing transformation.
* We can't be sure we'll get a ConfigureNotify event when the window
* first appears.
*/
glViewport(0, 0, (GLint) _twidth, (GLint) _theight);
window_handle = (void *)GLWin.win;
return true;
}
bool cInterfaceEGL::MakeCurrent()
{
return eglMakeCurrent(GLWin.egl_dpy, GLWin.egl_surf, GLWin.egl_surf, GLWin.egl_ctx);
}
// Close backend
void cInterfaceEGL::Shutdown()
{
DestroyXWindow();
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)
{
eglDestroyContext(GLWin.egl_dpy, GLWin.egl_ctx);
eglDestroySurface(GLWin.egl_dpy, GLWin.egl_surf);
eglTerminate(GLWin.egl_dpy);
GLWin.egl_ctx = NULL;
}
}
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