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moved context creation outside of drawing loop 

svn path=/trunk/boinc/; revision=1076
This commit is contained in:
Eric Heien 2003-03-19 18:42:51 +00:00
parent 8aa366dae8
commit 1d520ea5da
1 changed files with 33 additions and 30 deletions
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63
api/windows_opengl.cpp
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@ -34,6 +34,8 @@
#include "util.h" #include "util.h"
#include "win_idle_tracker.h" #include "win_idle_tracker.h"
HDC hdc;
HGLRC hRC;
HWND hWnd=NULL; // Holds Our Window Handle HWND hWnd=NULL; // Holds Our Window Handle
HINSTANCE hInstance; // Holds The Instance Of The Application HINSTANCE hInstance; // Holds The Instance Of The Application
RECT rect = {50, 50, 50+640, 50+480}; RECT rect = {50, 50, 50+640, 50+480};
@ -55,12 +57,16 @@ BOOL unreg_win_class();
void SetMode(int mode, int pmode) void SetMode(int mode, int pmode)
{ {
RECT WindowRect = {0,0,0,0}; RECT WindowRect = {0,0,0,0};
int width, height;
if(pmode == MODE_DEFAULT) nPrevMode = nMode; if(pmode == MODE_DEFAULT) nPrevMode = nMode;
else nPrevMode = pmode; else nPrevMode = pmode;
nMode = mode; nMode = mode;
if(hWnd) { if(hWnd) {
if (hRC) wglDeleteContext(hRC);
if (hdc) ReleaseDC(hWnd, hdc);
if(nPrevMode != MODE_FULLSCREEN) GetWindowRect(hWnd, &rect); if(nPrevMode != MODE_FULLSCREEN) GetWindowRect(hWnd, &rect);
KillTimer(hWnd, 1); KillTimer(hWnd, 1);
DestroyWindow(hWnd); DestroyWindow(hWnd);
@ -116,11 +122,28 @@ void SetMode(int mode, int pmode)
0, 0, 0 // Layer Masks Ignored 0, 0, 0 // Layer Masks Ignored
}; };
HDC hdc = GetDC(hWnd); hdc = GetDC(hWnd);
int PixelFormat; int PixelFormat;
PixelFormat = ChoosePixelFormat(hdc, &pfd); PixelFormat = ChoosePixelFormat(hdc, &pfd);
SetPixelFormat(hdc, PixelFormat, &pfd); SetPixelFormat(hdc, PixelFormat, &pfd);
ReleaseDC(hWnd, hdc);
if(!(hRC = wglCreateContext(hdc))) {
ReleaseDC(hWnd, hdc);
return;
}
if(!wglMakeCurrent(hdc, hRC)) {
ReleaseDC(hWnd, hdc);
wglDeleteContext(hRC);
return;
}
width = WindowRect.right-WindowRect.left;
height = WindowRect.bottom-WindowRect.top;
ReSizeGLScene(width, height);
InitGL();
app_init_gl();
if(nMode == MODE_FULLSCREEN || nMode == MODE_WINDOW) { if(nMode == MODE_FULLSCREEN || nMode == MODE_WINDOW) {
ShowWindow(hWnd, SW_SHOW); ShowWindow(hWnd, SW_SHOW);
@ -138,6 +161,9 @@ LRESULT CALLBACK WndProc( HWND hWnd, // Handle For This Window
WPARAM wParam, // Additional Message Information WPARAM wParam, // Additional Message Information
LPARAM lParam) // Additional Message Information LPARAM lParam) // Additional Message Information
{ {
RECT rt;
int width, height;
switch(uMsg) { switch(uMsg) {
case WM_KEYDOWN: case WM_KEYDOWN:
case WM_KEYUP: case WM_KEYUP:
@ -165,42 +191,19 @@ LRESULT CALLBACK WndProc( HWND hWnd, // Handle For This Window
FillRect(pdc, &winRect, (HBRUSH)GetStockObject(BLACK_BRUSH)); FillRect(pdc, &winRect, (HBRUSH)GetStockObject(BLACK_BRUSH));
EndPaint(hWnd, &ps); EndPaint(hWnd, &ps);
return 0; return 0;
case WM_SIZE:
ReSizeGLScene(LOWORD(lParam),HIWORD(lParam));
return 0;
case WM_TIMER: case WM_TIMER:
if(nMode == MODE_NO_GRAPHICS) return 0; if(nMode == MODE_NO_GRAPHICS) return 0;
HDC hdc = GetDC(hWnd);
HGLRC hRC;
if(!(hRC = wglCreateContext(hdc))) {
ReleaseDC(hWnd, hdc);
return 0;
}
if(!wglMakeCurrent(hdc, hRC)) {
ReleaseDC(hWnd, hdc);
wglDeleteContext(hRC);
return 0;
}
RECT rt;
GetClientRect(hWnd, &rt); GetClientRect(hWnd, &rt);
int width = rt.right-rt.left; width = rt.right-rt.left;
int height = rt.bottom-rt.top; height = rt.bottom-rt.top;
ReSizeGLScene(width, height);
InitGL();
app_init_gl();
app_render(width, height, dtime()); app_render(width, height, dtime());
SwapBuffers(hdc); SwapBuffers(hdc);
if(!wglMakeCurrent(NULL, NULL)) {
ReleaseDC(hWnd, hdc);
wglDeleteContext(hRC);
}
wglDeleteContext(hRC);
ReleaseDC(hWnd, hdc);
return 0; return 0;
} }