gzdoom/src/win32/win32gliface.cpp
Christoph Oelckers fc0cf4f998 - GZDoom now runs on an OpenGL core profile. :)
It's probably still necessary to replace GLEW with another loader library. GLEW is pretty much broken on core OpenGL without some hacky workarounds...
2014-07-15 02:26:23 +02:00

1088 lines
No EOL
25 KiB
C++

#include "gl/system/gl_system.h"
#define DWORD WINDOWS_DWORD
#include <GL/wglew.h>
#undef DWORD
#include "win32iface.h"
#include "win32gliface.h"
//#include "gl/gl_intern.h"
#include "templates.h"
#include "version.h"
#include "c_console.h"
#include "hardware.h"
#include "v_video.h"
#include "i_input.h"
#include "i_system.h"
#include "doomstat.h"
#include "v_text.h"
//#include "gl_defs.h"
#include "gl/renderer/gl_renderer.h"
#include "gl/system/gl_framebuffer.h"
#include "gl/shaders/gl_shader.h"
#include "gl/utility/gl_templates.h"
void gl_CalculateCPUSpeed();
extern int NewWidth, NewHeight, NewBits, DisplayBits;
// these get used before GLEW is initialized so we have to use separate pointers with different names
PFNWGLCHOOSEPIXELFORMATARBPROC myWglChoosePixelFormatARB; // = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
PFNWGLCREATECONTEXTATTRIBSARBPROC myWglCreateContextAttribsARB;
PFNWGLSWAPINTERVALEXTPROC vsyncfunc;
CUSTOM_CVAR(Int, gl_vid_multisample, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL )
{
Printf("This won't take effect until "GAMENAME" is restarted.\n");
}
CVAR(Bool, gl_debug, false, 0)
EXTERN_CVAR(Int, vid_refreshrate)
//==========================================================================
//
//
//
//==========================================================================
Win32GLVideo::Win32GLVideo(int parm) : m_Modes(NULL), m_IsFullscreen(false)
{
#ifdef _WIN32
if (CPU.bRDTSC) gl_CalculateCPUSpeed();
#endif
I_SetWndProc();
m_DisplayWidth = vid_defwidth;
m_DisplayHeight = vid_defheight;
m_DisplayBits = 32;
m_DisplayHz = 60;
GetDisplayDeviceName();
MakeModesList();
SetPixelFormat();
}
//==========================================================================
//
//
//
//==========================================================================
Win32GLVideo::~Win32GLVideo()
{
FreeModes();
if (GLRenderer != NULL) GLRenderer->FlushTextures();
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLVideo::SetWindowedScale(float scale)
{
}
//==========================================================================
//
//
//
//==========================================================================
struct MonitorEnumState
{
int curIdx;
HMONITOR hFoundMonitor;
};
static BOOL CALLBACK GetDisplayDeviceNameMonitorEnumProc(HMONITOR hMonitor, HDC, LPRECT, LPARAM dwData)
{
MonitorEnumState *state = reinterpret_cast<MonitorEnumState *>(dwData);
MONITORINFOEX mi;
mi.cbSize = sizeof mi;
GetMonitorInfo(hMonitor, &mi);
// This assumes the monitors are returned by EnumDisplayMonitors in the
// order they're found in the Direct3D9 adapters list. Fingers crossed...
if (state->curIdx == vid_adapter)
{
state->hFoundMonitor = hMonitor;
// Don't stop enumeration; this makes EnumDisplayMonitors fail. I like
// proper fails.
}
++state->curIdx;
return TRUE;
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLVideo::GetDisplayDeviceName()
{
// If anything goes wrong, anything at all, everything uses the primary
// monitor.
m_DisplayDeviceName = 0;
m_hMonitor = 0;
MonitorEnumState mes;
mes.curIdx = 1;
mes.hFoundMonitor = 0;
// Could also use EnumDisplayDevices, I guess. That might work.
if (EnumDisplayMonitors(0, 0, &GetDisplayDeviceNameMonitorEnumProc, LPARAM(&mes)))
{
if (mes.hFoundMonitor)
{
MONITORINFOEX mi;
mi.cbSize = sizeof mi;
if (GetMonitorInfo(mes.hFoundMonitor, &mi))
{
strcpy(m_DisplayDeviceBuffer, mi.szDevice);
m_DisplayDeviceName = m_DisplayDeviceBuffer;
m_hMonitor = mes.hFoundMonitor;
}
}
}
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLVideo::MakeModesList()
{
ModeInfo *pMode, *nextmode;
DEVMODE dm;
int mode = 0;
memset(&dm, 0, sizeof(DEVMODE));
dm.dmSize = sizeof(DEVMODE);
while (EnumDisplaySettings(m_DisplayDeviceName, mode, &dm))
{
this->AddMode(dm.dmPelsWidth, dm.dmPelsHeight, dm.dmBitsPerPel, dm.dmPelsHeight, dm.dmDisplayFrequency);
++mode;
}
for (pMode = m_Modes; pMode != NULL; pMode = nextmode)
{
nextmode = pMode->next;
if (pMode->realheight == pMode->height && pMode->height * 4/3 == pMode->width)
{
if (pMode->width >= 360)
{
AddMode (pMode->width, pMode->width * 9/16, pMode->bits, pMode->height, pMode->refreshHz);
}
if (pMode->width > 640)
{
AddMode (pMode->width, pMode->width * 10/16, pMode->bits, pMode->height, pMode->refreshHz);
}
}
}
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLVideo::StartModeIterator(int bits, bool fs)
{
m_IteratorMode = m_Modes;
// I think it's better to ignore the game-side settings of bit depth.
// The GL renderer will always default to 32 bits because 16 bit modes cannot have a stencil buffer.
m_IteratorBits = 32;
m_IteratorFS = fs;
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLVideo::NextMode(int *width, int *height, bool *letterbox)
{
if (m_IteratorMode)
{
while (m_IteratorMode && m_IteratorMode->bits != m_IteratorBits)
{
m_IteratorMode = m_IteratorMode->next;
}
if (m_IteratorMode)
{
*width = m_IteratorMode->width;
*height = m_IteratorMode->height;
if (letterbox != NULL) *letterbox = m_IteratorMode->realheight != m_IteratorMode->height;
m_IteratorMode = m_IteratorMode->next;
return true;
}
}
return false;
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLVideo::AddMode(int x, int y, int bits, int baseHeight, int refreshHz)
{
ModeInfo **probep = &m_Modes;
ModeInfo *probe = m_Modes;
// This mode may have been already added to the list because it is
// enumerated multiple times at different refresh rates. If it's
// not present, add it to the right spot in the list; otherwise, do nothing.
// Modes are sorted first by width, then by height, then by depth. In each
// case the order is ascending.
for (; probe != 0; probep = &probe->next, probe = probe->next)
{
if (probe->width != x) continue;
// Width is equal
if (probe->height != y) continue;
// Width is equal
if (probe->realheight != baseHeight) continue;
// Height is equal
if (probe->bits != bits) continue;
// Bits is equal
if (probe->refreshHz > refreshHz) continue;
probe->refreshHz = refreshHz;
return;
}
*probep = new ModeInfo (x, y, bits, baseHeight, refreshHz);
(*probep)->next = probe;
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLVideo::FreeModes()
{
ModeInfo *mode = m_Modes;
while (mode)
{
ModeInfo *tempmode = mode;
mode = mode->next;
delete tempmode;
}
m_Modes = NULL;
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLVideo::GoFullscreen(bool yes)
{
m_IsFullscreen = yes;
m_trueHeight = m_DisplayHeight;
if (yes)
{
// If in windowed mode, any height is good.
for (ModeInfo *mode = m_Modes; mode != NULL; mode = mode->next)
{
if (mode->width == m_DisplayWidth && mode->height == m_DisplayHeight)
{
m_trueHeight = mode->realheight;
break;
}
}
}
if (yes)
{
SetFullscreen(m_DisplayDeviceName, m_DisplayWidth, m_trueHeight, m_DisplayBits, m_DisplayHz);
}
else
{
SetFullscreen(m_DisplayDeviceName, 0,0,0,0);
}
return yes;
}
//==========================================================================
//
//
//
//==========================================================================
DFrameBuffer *Win32GLVideo::CreateFrameBuffer(int width, int height, bool fs, DFrameBuffer *old)
{
Win32GLFrameBuffer *fb;
m_DisplayWidth = width;
m_DisplayHeight = height;
m_DisplayBits = 32;
m_DisplayHz = 60;
if (vid_refreshrate == 0)
{
for (ModeInfo *mode = m_Modes; mode != NULL; mode = mode->next)
{
if (mode->width == m_DisplayWidth && mode->height == m_DisplayHeight && mode->bits == m_DisplayBits)
{
m_DisplayHz = MAX<int>(m_DisplayHz, mode->refreshHz);
}
}
}
else
{
m_DisplayHz = vid_refreshrate;
}
if (old != NULL)
{ // Reuse the old framebuffer if its attributes are the same
fb = static_cast<Win32GLFrameBuffer *> (old);
if (fb->m_Width == m_DisplayWidth &&
fb->m_Height == m_DisplayHeight &&
fb->m_Bits == m_DisplayBits &&
fb->m_RefreshHz == m_DisplayHz &&
fb->m_Fullscreen == fs)
{
return old;
}
//old->GetFlash(flashColor, flashAmount);
delete old;
}
fb = new OpenGLFrameBuffer(m_hMonitor, m_DisplayWidth, m_DisplayHeight, m_DisplayBits, m_DisplayHz, fs);
return fb;
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLVideo::SetResolution (int width, int height, int bits)
{
if (GLRenderer != NULL) GLRenderer->FlushTextures();
I_ShutdownGraphics();
Video = new Win32GLVideo(0);
if (Video == NULL) I_FatalError ("Failed to initialize display");
bits=32;
V_DoModeSetup(width, height, bits);
return true; // We must return true because the old video context no longer exists.
}
//==========================================================================
//
//
//
//==========================================================================
struct DumpAdaptersState
{
unsigned index;
char *displayDeviceName;
};
static BOOL CALLBACK DumpAdaptersMonitorEnumProc(HMONITOR hMonitor, HDC, LPRECT, LPARAM dwData)
{
DumpAdaptersState *state = reinterpret_cast<DumpAdaptersState *>(dwData);
MONITORINFOEX mi;
mi.cbSize=sizeof mi;
char moreinfo[64] = "";
bool active = true;
if (GetMonitorInfo(hMonitor, &mi))
{
bool primary = !!(mi.dwFlags & MONITORINFOF_PRIMARY);
mysnprintf(moreinfo, countof(moreinfo), " [%ldx%ld @ (%ld,%ld)]%s",
mi.rcMonitor.right - mi.rcMonitor.left,
mi.rcMonitor.bottom - mi.rcMonitor.top,
mi.rcMonitor.left, mi.rcMonitor.top,
primary ? " (Primary)" : "");
if (!state->displayDeviceName && !primary)
active = false;//primary selected, but this ain't primary
else if (state->displayDeviceName && strcmp(state->displayDeviceName, mi.szDevice) != 0)
active = false;//this isn't the selected one
}
Printf("%s%u. %s\n",
active ? TEXTCOLOR_BOLD : "",
state->index,
moreinfo);
++state->index;
return TRUE;
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLVideo::DumpAdapters()
{
DumpAdaptersState das;
das.index = 1;
das.displayDeviceName = m_DisplayDeviceName;
EnumDisplayMonitors(0, 0, DumpAdaptersMonitorEnumProc, LPARAM(&das));
}
//==========================================================================
//
//
//
//==========================================================================
HWND Win32GLVideo::InitDummy()
{
HMODULE g_hInst = GetModuleHandle(NULL);
HWND dummy;
//Create a rect structure for the size/position of the window
RECT windowRect;
windowRect.left = 0;
windowRect.right = 64;
windowRect.top = 0;
windowRect.bottom = 64;
//Window class structure
WNDCLASS wc;
//Fill in window class struct
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = (WNDPROC) DefWindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = g_hInst;
wc.hIcon = LoadIcon(NULL, IDI_WINLOGO);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName = "GZDoomOpenGLDummyWindow";
//Register window class
if(!RegisterClass(&wc))
{
return 0;
}
//Set window style & extended style
DWORD style, exStyle;
exStyle = WS_EX_CLIENTEDGE;
style = WS_SYSMENU | WS_BORDER | WS_CAPTION;// | WS_VISIBLE;
//Adjust the window size so that client area is the size requested
AdjustWindowRectEx(&windowRect, style, false, exStyle);
//Create Window
if(!(dummy = CreateWindowEx(exStyle,
"GZDoomOpenGLDummyWindow",
"GZDOOM",
WS_CLIPSIBLINGS | WS_CLIPCHILDREN | style,
0, 0,
windowRect.right-windowRect.left,
windowRect.bottom-windowRect.top,
NULL, NULL,
g_hInst,
NULL)))
{
UnregisterClass("GZDoomOpenGLDummyWindow", g_hInst);
return 0;
}
ShowWindow(dummy, SW_HIDE);
return dummy;
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLVideo::ShutdownDummy(HWND dummy)
{
DestroyWindow(dummy);
UnregisterClass("GZDoomOpenGLDummyWindow", GetModuleHandle(NULL));
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLVideo::SetPixelFormat()
{
HDC hDC;
HGLRC hRC;
HWND dummy;
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
32, // color depth
0, 0, 0, 0, 0, 0,
0,
0,
0,
0, 0, 0, 0,
16, // z depth
0, // stencil buffer
0,
PFD_MAIN_PLANE,
0,
0, 0, 0
};
int pixelFormat;
// we have to create a dummy window to init stuff from or the full init stuff fails
dummy = InitDummy();
hDC = GetDC(dummy);
pixelFormat = ChoosePixelFormat(hDC, &pfd);
DescribePixelFormat(hDC, pixelFormat, sizeof(pfd), &pfd);
::SetPixelFormat(hDC, pixelFormat, &pfd);
hRC = wglCreateContext(hDC);
wglMakeCurrent(hDC, hRC);
myWglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
myWglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB");
// any extra stuff here?
wglMakeCurrent(NULL, NULL);
wglDeleteContext(hRC);
ReleaseDC(dummy, hDC);
ShutdownDummy(dummy);
return true;
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLVideo::SetupPixelFormat(int multisample)
{
int colorDepth;
HDC deskDC;
int attributes[26];
int pixelFormat;
unsigned int numFormats;
float attribsFloat[] = {0.0f, 0.0f};
deskDC = GetDC(GetDesktopWindow());
colorDepth = GetDeviceCaps(deskDC, BITSPIXEL);
ReleaseDC(GetDesktopWindow(), deskDC);
if (myWglChoosePixelFormatARB)
{
attributes[0] = WGL_RED_BITS_ARB; //bits
attributes[1] = 8;
attributes[2] = WGL_GREEN_BITS_ARB; //bits
attributes[3] = 8;
attributes[4] = WGL_BLUE_BITS_ARB; //bits
attributes[5] = 8;
attributes[6] = WGL_ALPHA_BITS_ARB;
attributes[7] = 8;
attributes[8] = WGL_DEPTH_BITS_ARB;
attributes[9] = 24;
attributes[10] = WGL_STENCIL_BITS_ARB;
attributes[11] = 8;
attributes[12] = WGL_DRAW_TO_WINDOW_ARB; //required to be true
attributes[13] = true;
attributes[14] = WGL_SUPPORT_OPENGL_ARB;
attributes[15] = true;
attributes[16] = WGL_DOUBLE_BUFFER_ARB;
attributes[17] = true;
attributes[18] = WGL_ACCELERATION_ARB; //required to be FULL_ACCELERATION_ARB
attributes[19] = WGL_FULL_ACCELERATION_ARB;
if (multisample > 0)
{
attributes[20] = WGL_SAMPLE_BUFFERS_ARB;
attributes[21] = true;
attributes[22] = WGL_SAMPLES_ARB;
attributes[23] = multisample;
}
else
{
attributes[20] = 0;
attributes[21] = 0;
attributes[22] = 0;
attributes[23] = 0;
}
attributes[24] = 0;
attributes[25] = 0;
if (!myWglChoosePixelFormatARB(m_hDC, attributes, attribsFloat, 1, &pixelFormat, &numFormats))
{
Printf("R_OPENGL: Couldn't choose pixel format. Retrying in compatibility mode\n");
goto oldmethod;
}
if (numFormats == 0)
{
Printf("R_OPENGL: No valid pixel formats found. Retrying in compatibility mode\n");
goto oldmethod;
}
}
else
{
oldmethod:
// If wglChoosePixelFormatARB is not found we have to do it the old fashioned way.
static PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
32, // color depth
0, 0, 0, 0, 0, 0,
0,
0,
0,
0, 0, 0, 0,
32, // z depth
8, // stencil buffer
0,
PFD_MAIN_PLANE,
0,
0, 0, 0
};
pixelFormat = ChoosePixelFormat(m_hDC, &pfd);
DescribePixelFormat(m_hDC, pixelFormat, sizeof(pfd), &pfd);
if (pfd.dwFlags & PFD_GENERIC_FORMAT)
{
Printf("R_OPENGL: OpenGL driver not accelerated! Falling back to software renderer.\n");
return false;
}
}
if (!::SetPixelFormat(m_hDC, pixelFormat, NULL))
{
Printf("R_OPENGL: Couldn't set pixel format.\n");
return false;
}
return true;
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLVideo::InitHardware (HWND Window, int multisample)
{
m_Window=Window;
m_hDC = GetDC(Window);
if (!SetupPixelFormat(multisample))
{
Printf ("R_OPENGL: Reverting to software mode...\n");
return false;
}
m_hRC = NULL;
if (myWglCreateContextAttribsARB != NULL)
{
// let's try to get the best version possible.
static int versions[] = { 44, 43, 42, 41, 40, 33, 32, -1 };
for (int i = 0; versions[i] > 0; i++)
{
int ctxAttribs[] = {
WGL_CONTEXT_MAJOR_VERSION_ARB, versions[i] / 10,
WGL_CONTEXT_MINOR_VERSION_ARB, versions[i] % 10,
WGL_CONTEXT_FLAGS_ARB, gl_debug ? WGL_CONTEXT_DEBUG_BIT_ARB : 0,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
0
};
m_hRC = myWglCreateContextAttribsARB(m_hDC, 0, ctxAttribs);
if (m_hRC != NULL) break;
}
}
if (m_hRC == 0)
{
// If we are unable to get a core context, let's try whatever the system gives us.
m_hRC = wglCreateContext(m_hDC);
}
if (m_hRC == NULL)
{
Printf ("R_OPENGL: Couldn't create render context. Reverting to software mode...\n");
return false;
}
wglMakeCurrent(m_hDC, m_hRC);
return true;
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLVideo::Shutdown()
{
if (m_hRC)
{
wglMakeCurrent(0, 0);
wglDeleteContext(m_hRC);
}
if (m_hDC) ReleaseDC(m_Window, m_hDC);
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLVideo::SetFullscreen(const char *devicename, int w, int h, int bits, int hz)
{
DEVMODE dm;
if (w==0)
{
ChangeDisplaySettingsEx(devicename, 0, 0, 0, 0);
}
else
{
dm.dmSize = sizeof(DEVMODE);
dm.dmSpecVersion = DM_SPECVERSION;//Somebody owes me...
dm.dmDriverExtra = 0;//...1 hour of my life back
dm.dmPelsWidth = w;
dm.dmPelsHeight = h;
dm.dmBitsPerPel = bits;
dm.dmDisplayFrequency = hz;
dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY;
if (DISP_CHANGE_SUCCESSFUL != ChangeDisplaySettingsEx(devicename, &dm, 0, CDS_FULLSCREEN, 0))
{
dm.dmFields &= ~DM_DISPLAYFREQUENCY;
return DISP_CHANGE_SUCCESSFUL == ChangeDisplaySettingsEx(devicename, &dm, 0, CDS_FULLSCREEN, 0);
}
}
return true;
}
//==========================================================================
//
//
//
//==========================================================================
IMPLEMENT_ABSTRACT_CLASS(Win32GLFrameBuffer)
//==========================================================================
//
//
//
//==========================================================================
Win32GLFrameBuffer::Win32GLFrameBuffer(void *hMonitor, int width, int height, int bits, int refreshHz, bool fullscreen) : BaseWinFB(width, height)
{
static int localmultisample=-1;
if (localmultisample<0) localmultisample=gl_vid_multisample;
m_Width = width;
m_Height = height;
m_Bits = bits;
m_RefreshHz = refreshHz;
m_Fullscreen = fullscreen;
m_Lock=0;
RECT r;
LONG style, exStyle;
static_cast<Win32GLVideo *>(Video)->GoFullscreen(fullscreen);
m_displayDeviceName = 0;
int monX = 0, monY = 0;
if (hMonitor)
{
MONITORINFOEX mi;
mi.cbSize = sizeof mi;
if (GetMonitorInfo(HMONITOR(hMonitor), &mi))
{
strcpy(m_displayDeviceNameBuffer, mi.szDevice);
m_displayDeviceName = m_displayDeviceNameBuffer;
monX = int(mi.rcMonitor.left);
monY = int(mi.rcMonitor.top);
}
}
ShowWindow (Window, SW_SHOW);
GetWindowRect(Window, &r);
style = WS_VISIBLE | WS_CLIPSIBLINGS;
exStyle = 0;
if (fullscreen)
style |= WS_POPUP;
else
{
style |= WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX;
exStyle |= WS_EX_WINDOWEDGE;
}
SetWindowLong(Window, GWL_STYLE, style);
SetWindowLong(Window, GWL_EXSTYLE, exStyle);
SetWindowPos(Window, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
if (fullscreen)
{
MoveWindow(Window, monX, monY, width, GetTrueHeight(), FALSE);
// And now, seriously, it IS in the right place. Promise.
}
else
{
MoveWindow(Window, r.left, r.top, width + (GetSystemMetrics(SM_CXSIZEFRAME) * 2), height + (GetSystemMetrics(SM_CYSIZEFRAME) * 2) + GetSystemMetrics(SM_CYCAPTION), FALSE);
I_RestoreWindowedPos();
}
if (!static_cast<Win32GLVideo *>(Video)->InitHardware(Window, localmultisample))
{
vid_renderer = 0;
return;
}
vsyncfunc = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
HDC hDC = GetDC(Window);
m_supportsGamma = !!GetDeviceGammaRamp(hDC, (void *)m_origGamma);
ReleaseDC(Window, hDC);
}
//==========================================================================
//
//
//
//==========================================================================
Win32GLFrameBuffer::~Win32GLFrameBuffer()
{
if (m_supportsGamma)
{
HDC hDC = GetDC(Window);
SetDeviceGammaRamp(hDC, (void *)m_origGamma);
ReleaseDC(Window, hDC);
}
I_SaveWindowedPos();
static_cast<Win32GLVideo *>(Video)->SetFullscreen(m_displayDeviceName, 0,0,0,0);
ShowWindow (Window, SW_SHOW);
SetWindowLong(Window, GWL_STYLE, WS_VISIBLE | WS_CLIPSIBLINGS | WS_OVERLAPPEDWINDOW);
SetWindowLong(Window, GWL_EXSTYLE, WS_EX_WINDOWEDGE);
SetWindowPos(Window, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
I_GetEvent();
static_cast<Win32GLVideo *>(Video)->Shutdown();
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLFrameBuffer::InitializeState()
{
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLFrameBuffer::CanUpdate()
{
if (!AppActive) return false;
return true;
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLFrameBuffer::SetGammaTable(WORD *tbl)
{
HDC hDC = GetDC(Window);
SetDeviceGammaRamp(hDC, (void *)tbl);
ReleaseDC(Window, hDC);
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLFrameBuffer::Lock(bool buffered)
{
m_Lock++;
Buffer = MemBuffer;
return true;
}
bool Win32GLFrameBuffer::Lock ()
{
return Lock(false);
}
void Win32GLFrameBuffer::Unlock ()
{
m_Lock--;
}
bool Win32GLFrameBuffer::IsLocked ()
{
return m_Lock>0;// true;
}
//==========================================================================
//
//
//
//==========================================================================
bool Win32GLFrameBuffer::IsFullscreen()
{
return m_Fullscreen;
}
void Win32GLFrameBuffer::PaletteChanged()
{
}
int Win32GLFrameBuffer::QueryNewPalette()
{
return 0;
}
HRESULT Win32GLFrameBuffer::GetHR()
{
return 0;
}
void Win32GLFrameBuffer::Blank ()
{
}
bool Win32GLFrameBuffer::PaintToWindow ()
{
return false;
}
bool Win32GLFrameBuffer::CreateResources ()
{
return false;
}
void Win32GLFrameBuffer::ReleaseResources ()
{
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLFrameBuffer::SetVSync (bool vsync)
{
if (vsyncfunc != NULL) vsyncfunc(vsync);
}
void Win32GLFrameBuffer::SwapBuffers()
{
::SwapBuffers(static_cast<Win32GLVideo *>(Video)->m_hDC);
}
//==========================================================================
//
//
//
//==========================================================================
void Win32GLFrameBuffer::NewRefreshRate ()
{
if (m_Fullscreen)
{
setmodeneeded = true;
NewWidth = screen->GetWidth();
NewHeight = screen->GetHeight();
NewBits = DisplayBits;
}
}
IVideo *gl_CreateVideo()
{
return new Win32GLVideo(0);
}