477 lines
15 KiB
C++
477 lines
15 KiB
C++
// Copyright (C) 2003-2009 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "main.h"
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#include "SWVideoConfig.h"
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#include "IniFile.h"
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#include "Setup.h"
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#include "ConfigManager.h"
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#include "Core.h"
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#include "Host.h"
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#include "GLUtil.h"
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#if defined(_WIN32)
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#include "Win32.h"
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static HDC hDC = NULL; // Private GDI Device Context
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static HGLRC hRC = NULL; // Permanent Rendering Context
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extern HINSTANCE g_hInstance;
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#else
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GLWindow GLWin;
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#endif
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// Handles OpenGL and the window
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// Window dimensions.
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static int s_backbuffer_width;
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static int s_backbuffer_height;
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static void*& VideoWindowHandle()
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{
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return SConfig::GetInstance().m_LocalCoreStartupParameter.hMainWindow;
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}
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void OpenGL_SwapBuffers()
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{
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#if defined(USE_WX) && USE_WX
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GLWin.glCanvas->SwapBuffers();
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#elif defined(_WIN32)
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SwapBuffers(hDC);
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#elif defined(HAVE_X11) && HAVE_X11
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glXSwapBuffers(GLWin.dpy, GLWin.win);
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#endif
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}
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u32 OpenGL_GetBackbufferWidth()
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{
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return s_backbuffer_width;
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}
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u32 OpenGL_GetBackbufferHeight()
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{
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return s_backbuffer_height;
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}
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void OpenGL_SetWindowText(const char *text)
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{
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#if defined(USE_WX) && USE_WX
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// Handled by Host_UpdateTitle()
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#elif defined(_WIN32)
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// TODO convert text to unicode and change SetWindowTextA to SetWindowText
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SetWindowTextA(EmuWindow::GetWnd(), text);
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#elif defined(HAVE_X11) && HAVE_X11
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// Tell X to ask the window manager to set the window title.
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// (X itself doesn't provide window title functionality.)
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XStoreName(GLWin.dpy, GLWin.win, text);
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#endif
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}
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// Draw messages on top of the screen
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unsigned int Callback_PeekMessages()
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{
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#ifdef _WIN32
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// TODO: peekmessage
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MSG msg;
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while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
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{
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if (msg.message == WM_QUIT)
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return FALSE;
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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return TRUE;
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#else
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return FALSE;
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#endif
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}
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// Show the current FPS
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void UpdateFPSDisplay(const char *text)
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{
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char temp[100];
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snprintf(temp, sizeof temp, "%s | Software | %s", svn_rev_str, text);
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OpenGL_SetWindowText(temp);
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}
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// Create rendering window.
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// Call browser: Core.cpp:EmuThread() > main.cpp:Video_Initialize()
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bool OpenGL_Create(int _twidth, int _theight)
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{
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int xPos, yPos;
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Core::Callback_VideoGetWindowSize(xPos, yPos, _twidth, _theight);
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#if defined(_WIN32)
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EmuWindow::SetSize(_twidth, _theight);
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#endif
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// Control window size and picture scaling
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s_backbuffer_width = _twidth;
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s_backbuffer_height = _theight;
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#if defined(USE_WX) && USE_WX
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GLWin.panel = (wxPanel*)VideoWindowHandle();
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GLWin.glCanvas = new wxGLCanvas(GLWin.panel, wxID_ANY, NULL,
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wxPoint(0, 0), wxSize(_twidth, _theight));
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GLWin.glCanvas->Show(true);
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if (GLWin.glCtxt == NULL) // XXX dirty hack
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GLWin.glCtxt = new wxGLContext(GLWin.glCanvas);
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#elif defined(_WIN32)
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// Create rendering window in Windows
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VideoWindowHandle() = (void*)EmuWindow::Create((HWND)VideoWindowHandle(), g_hInstance, _T("Please wait..."));
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// Show the window
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EmuWindow::Show();
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if (VideoWindowHandle() == NULL)
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{
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Host_SysMessage("failed to create window");
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return false;
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}
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GLuint PixelFormat; // Holds The Results After Searching For A Match
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DWORD dwExStyle; // Window Extended Style
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DWORD dwStyle; // Window Style
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RECT rcdesktop;
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GetWindowRect(GetDesktopWindow(), &rcdesktop);
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dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
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dwStyle = WS_OVERLAPPEDWINDOW;
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RECT rc = {0, 0, s_backbuffer_width, s_backbuffer_height};
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AdjustWindowRectEx(&rc, dwStyle, FALSE, dwExStyle);
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int X = (rcdesktop.right-rcdesktop.left)/2 - (rc.right-rc.left)/2;
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int Y = (rcdesktop.bottom-rcdesktop.top)/2 - (rc.bottom-rc.top)/2;
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// EmuWindow::GetWnd() is either the new child window or the new separate window
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SetWindowPos(EmuWindow::GetWnd(), NULL, X, Y, rc.right-rc.left, rc.bottom-rc.top, SWP_NOREPOSITION | SWP_NOZORDER);
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PIXELFORMATDESCRIPTOR pfd = // pfd Tells Windows How We Want Things To Be
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{
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sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor
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1, // Version Number
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PFD_DRAW_TO_WINDOW | // Format Must Support Window
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PFD_SUPPORT_OPENGL | // Format Must Support OpenGL
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PFD_DOUBLEBUFFER, // Must Support Double Buffering
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PFD_TYPE_RGBA, // Request An RGBA Format
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32, // Select Our Color Depth
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0, 0, 0, 0, 0, 0, // Color Bits Ignored
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0, // 8bit Alpha Buffer
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0, // Shift Bit Ignored
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0, // No Accumulation Buffer
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0, 0, 0, 0, // Accumulation Bits Ignored
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24, // 24Bit Z-Buffer (Depth Buffer)
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8, // 8bit Stencil Buffer
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0, // No Auxiliary Buffer
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PFD_MAIN_PLANE, // Main Drawing Layer
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0, // Reserved
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0, 0, 0 // Layer Masks Ignored
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};
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if (!(hDC=GetDC(EmuWindow::GetWnd()))) {
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PanicAlert("(1) Can't create an OpenGL Device context. Fail.");
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return false;
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}
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if (!(PixelFormat = ChoosePixelFormat(hDC,&pfd))) {
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PanicAlert("(2) Can't find a suitable PixelFormat.");
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return false;
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}
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if (!SetPixelFormat(hDC, PixelFormat, &pfd)) {
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PanicAlert("(3) Can't set the PixelFormat.");
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return false;
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}
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if (!(hRC = wglCreateContext(hDC))) {
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PanicAlert("(4) Can't create an OpenGL rendering context.");
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return false;
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}
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// --------------------------------------
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#elif defined(HAVE_X11) && HAVE_X11
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XVisualInfo *vi;
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Colormap cmap;
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int glxMajorVersion, glxMinorVersion;
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Atom wmDelete;
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// attributes for a single buffered visual in RGBA format with at least
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// 8 bits per color and a 24 bit depth buffer
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int attrListSgl[] = {GLX_RGBA, GLX_RED_SIZE, 8,
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GLX_GREEN_SIZE, 8,
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GLX_BLUE_SIZE, 8,
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GLX_DEPTH_SIZE, 24,
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None};
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// attributes for a double buffered visual in RGBA format with at least
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// 8 bits per color and a 24 bit depth buffer
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int attrListDbl[] = { GLX_RGBA, GLX_DOUBLEBUFFER,
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GLX_RED_SIZE, 8,
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GLX_GREEN_SIZE, 8,
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GLX_BLUE_SIZE, 8,
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GLX_DEPTH_SIZE, 24,
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GLX_SAMPLE_BUFFERS_ARB, GLX_SAMPLES_ARB, 1, None };
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int attrListDefault[] = {
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GLX_RGBA,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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GLX_DOUBLEBUFFER,
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GLX_DEPTH_SIZE, 1,
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None };
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GLWin.dpy = XOpenDisplay(0);
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GLWin.parent = (Window)g_VideoInitialize.pWindowHandle;
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GLWin.screen = DefaultScreen(GLWin.dpy);
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// Get an appropriate visual
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vi = glXChooseVisual(GLWin.dpy, GLWin.screen, attrListDbl);
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if (vi == NULL)
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{
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vi = glXChooseVisual(GLWin.dpy, GLWin.screen, attrListSgl);
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if (vi != NULL)
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{
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ERROR_LOG(VIDEO, "Only Singlebuffered Visual!");
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}
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else
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{
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vi = glXChooseVisual(GLWin.dpy, GLWin.screen, attrListDefault);
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if (vi == NULL)
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{
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ERROR_LOG(VIDEO, "Could not choose visual (glXChooseVisual)");
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exit(0);
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}
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}
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}
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else
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NOTICE_LOG(VIDEO, "Got Doublebuffered Visual!");
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glXQueryVersion(GLWin.dpy, &glxMajorVersion, &glxMinorVersion);
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NOTICE_LOG(VIDEO, "glX-Version %d.%d", glxMajorVersion, glxMinorVersion);
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// Create a GLX context.
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GLWin.ctx = glXCreateContext(GLWin.dpy, vi, 0, GL_TRUE);
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if(!GLWin.ctx)
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{
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PanicAlert("Couldn't Create GLX context.Quit");
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exit(0); // TODO: Don't bring down entire Emu
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}
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if (GLWin.parent == 0)
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GLWin.parent = RootWindow(GLWin.dpy, vi->screen);
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// Create a color map.
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cmap = XCreateColormap(GLWin.dpy, GLWin.parent, vi->visual, AllocNone);
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GLWin.attr.colormap = cmap;
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GLWin.attr.border_pixel = 0;
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XkbSetDetectableAutoRepeat(GLWin.dpy, True, NULL);
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// Create a window in window mode
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GLWin.attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
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StructureNotifyMask | EnterWindowMask | LeaveWindowMask | FocusChangeMask;
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GLWin.win = XCreateWindow(GLWin.dpy, GLWin.parent,
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xPos, yPos, _twidth, _theight, 0, vi->depth, InputOutput, vi->visual,
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CWBorderPixel | CWColormap | CWEventMask, &GLWin.attr);
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// Only set window title and handle wm_delete_events if in windowed mode
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wmDelete = XInternAtom(GLWin.dpy, "WM_DELETE_WINDOW", True);
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XSetWMProtocols(GLWin.dpy, GLWin.win, &wmDelete, 1);
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XSetStandardProperties(GLWin.dpy, GLWin.win, "GPU",
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"GPU", None, NULL, 0, NULL);
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XMapRaised(GLWin.dpy, GLWin.win);
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g_VideoInitialize.pWindowHandle = (void *)GLWin.win;
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#endif
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return true;
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}
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bool OpenGL_MakeCurrent()
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{
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#if defined(USE_WX) && USE_WX
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return GLWin.glCanvas->SetCurrent(*GLWin.glCtxt);
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#elif defined(_WIN32)
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return wglMakeCurrent(hDC,hRC) ? true : false;
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#elif defined(HAVE_X11) && HAVE_X11
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Core::Callback_VideoGetWindowSize(GLWin.x, GLWin.y, (int&)GLWin.width, (int&)GLWin.height);
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XMoveResizeWindow(GLWin.dpy, GLWin.win, GLWin.x, GLWin.y, GLWin.width, GLWin.height);
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return glXMakeCurrent(GLWin.dpy, GLWin.win, GLWin.ctx);
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#endif
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return true;
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}
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// Update window width, size and etc. Called from Render.cpp
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void OpenGL_Update()
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{
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#if defined(USE_WX) && USE_WX
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int width, height;
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GLWin.panel->GetSize(&width, &height);
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if (width == s_backbuffer_width && height == s_backbuffer_height)
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return;
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GLWin.glCanvas->SetFocus();
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GLWin.glCanvas->SetSize(0, 0, width, height);
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GLWin.glCtxt->SetCurrent(*GLWin.glCanvas);
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s_backbuffer_width = width;
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s_backbuffer_height = height;
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#elif defined(_WIN32)
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RECT rcWindow;
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if (!EmuWindow::GetParentWnd())
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{
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// We are not rendering to a child window - use client size.
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GetClientRect(EmuWindow::GetWnd(), &rcWindow);
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}
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else
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{
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// We are rendering to a child window - use parent size.
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GetWindowRect(EmuWindow::GetParentWnd(), &rcWindow);
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}
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// Get the new window width and height
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// See below for documentation
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int width = rcWindow.right - rcWindow.left;
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int height = rcWindow.bottom - rcWindow.top;
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// If we are rendering to a child window
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if (EmuWindow::GetParentWnd() != 0)
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::MoveWindow(EmuWindow::GetWnd(), 0, 0, width, height, FALSE);
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s_backbuffer_width = width;
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s_backbuffer_height = height;
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#elif defined(HAVE_X11) && HAVE_X11
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// We just check all of our events here
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XEvent event;
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int num_events;
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for (num_events = XPending(GLWin.dpy);num_events > 0;num_events--) {
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XNextEvent(GLWin.dpy, &event);
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switch(event.type) {
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case ConfigureNotify:
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Window winDummy;
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unsigned int borderDummy, depthDummy;
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XGetGeometry(GLWin.dpy, GLWin.win, &winDummy, &GLWin.x, &GLWin.y,
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&GLWin.width, &GLWin.height, &borderDummy, &depthDummy);
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s_backbuffer_width = GLWin.width;
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s_backbuffer_height = GLWin.height;
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break;
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case ClientMessage:
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if ((unsigned long) event.xclient.data.l[0] == XInternAtom(GLWin.dpy, "WM_DELETE_WINDOW", False))
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g_VideoInitialize.pCoreMessage(WM_USER_STOP);
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if ((unsigned long) event.xclient.data.l[0] == XInternAtom(GLWin.dpy, "RESIZE", False))
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XMoveResizeWindow(GLWin.dpy, GLWin.win, event.xclient.data.l[1],
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event.xclient.data.l[2], event.xclient.data.l[3], event.xclient.data.l[4]);
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return;
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break;
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default:
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break;
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}
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}
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return;
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#endif
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}
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// Close plugin
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void OpenGL_Shutdown()
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{
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#if defined(USE_WX) && USE_WX
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GLWin.glCanvas->Hide();
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// XXX GLWin.glCanvas->Destroy();
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// XXX delete GLWin.glCtxt;
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#elif defined(_WIN32)
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if (hRC) // Do We Have A Rendering Context?
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{
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if (!wglMakeCurrent(NULL,NULL)) // Are We Able To Release The DC And RC Contexts?
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{
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// [F|RES]: if this fails i dont see the message box and
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// cant get out of the modal state so i disable it.
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// This function fails only if i render to main window
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// MessageBox(NULL,"Release Of DC And RC Failed.", "SHUTDOWN ERROR", MB_OK | MB_ICONINFORMATION);
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}
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if (!wglDeleteContext(hRC)) // Are We Able To Delete The RC?
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{
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ERROR_LOG(VIDEO, "Release Rendering Context Failed.");
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}
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hRC = NULL; // Set RC To NULL
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}
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if (hDC && !ReleaseDC(EmuWindow::GetWnd(), hDC)) // Are We Able To Release The DC
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{
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ERROR_LOG(VIDEO, "Release Device Context Failed.");
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hDC = NULL; // Set DC To NULL
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}
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#elif defined(HAVE_X11) && HAVE_X11
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if (GLWin.ctx)
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{
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if (!glXMakeCurrent(GLWin.dpy, None, NULL))
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{
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ERROR_LOG(VIDEO, "Could not release drawing context.\n");
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}
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XUnmapWindow(GLWin.dpy, GLWin.win);
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glXDestroyContext(GLWin.dpy, GLWin.ctx);
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XCloseDisplay(GLWin.dpy);
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GLWin.ctx = NULL;
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}
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#endif
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}
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GLuint OpenGL_ReportGLError(const char *function, const char *file, int line)
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{
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GLint err = glGetError();
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if (err != GL_NO_ERROR)
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{
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ERROR_LOG(VIDEO, "%s:%d: (%s) OpenGL error 0x%x - %s\n", file, line, function, err, gluErrorString(err));
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}
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return err;
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}
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void OpenGL_ReportARBProgramError()
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{
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const GLubyte* pstr = glGetString(GL_PROGRAM_ERROR_STRING_ARB);
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if (pstr != NULL && pstr[0] != 0)
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{
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GLint loc = 0;
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glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &loc);
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ERROR_LOG(VIDEO, "program error at %d: ", loc);
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ERROR_LOG(VIDEO, "%s", (char*)pstr);
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ERROR_LOG(VIDEO, "\n");
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}
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}
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bool OpenGL_ReportFBOError(const char *function, const char *file, int line)
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{
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unsigned int fbo_status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
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if (fbo_status != GL_FRAMEBUFFER_COMPLETE_EXT)
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{
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const char *error = "-";
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switch (fbo_status)
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{
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case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT: error = "INCOMPLETE_ATTACHMENT_EXT"; break;
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case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT: error = "INCOMPLETE_MISSING_ATTACHMENT_EXT"; break;
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case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT: error = "INCOMPLETE_DIMENSIONS_EXT"; break;
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case GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT: error = "INCOMPLETE_FORMATS_EXT"; break;
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case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT: error = "INCOMPLETE_DRAW_BUFFER_EXT"; break;
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case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT: error = "INCOMPLETE_READ_BUFFER_EXT"; break;
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case GL_FRAMEBUFFER_UNSUPPORTED_EXT: error = "UNSUPPORTED_EXT"; break;
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}
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ERROR_LOG(VIDEO, "%s:%d: (%s) OpenGL FBO error - %s\n", file, line, function, error);
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return false;
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}
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return true;
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}
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