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Diffstat (limited to 'indra/llwindow/llwindowwin32.cpp')
-rw-r--r--indra/llwindow/llwindowwin32.cpp41
1 files changed, 40 insertions, 1 deletions
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index ab089081e6..121c7880df 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -500,6 +500,8 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
//-----------------------------------------------------------------------
DEVMODE dev_mode;
+ ::ZeroMemory(&dev_mode, sizeof(DEVMODE));
+ dev_mode.dmSize = sizeof(DEVMODE);
DWORD current_refresh;
if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode))
{
@@ -878,6 +880,8 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
{
GLuint pixel_format;
DEVMODE dev_mode;
+ ::ZeroMemory(&dev_mode, sizeof(DEVMODE));
+ dev_mode.dmSize = sizeof(DEVMODE);
DWORD current_refresh;
DWORD dw_ex_style;
DWORD dw_style;
@@ -1168,8 +1172,39 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
// First we try and get a 32 bit depth pixel format
BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats);
+
+ while(!result && mFSAASamples > 0)
+ {
+ llwarns << "FSAASamples: " << mFSAASamples << " not supported." << llendl ;
+
+ mFSAASamples /= 2 ; //try to decrease sample pixel number until to disable anti-aliasing
+ if(mFSAASamples < 2)
+ {
+ mFSAASamples = 0 ;
+ }
+
+ if (mFSAASamples > 0)
+ {
+ attrib_list[end_attrib + 3] = mFSAASamples;
+ }
+ else
+ {
+ cur_attrib = end_attrib ;
+ end_attrib = 0 ;
+ attrib_list[cur_attrib++] = 0 ; //end
+ }
+ result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats);
+
+ if(result)
+ {
+ llwarns << "Only support FSAASamples: " << mFSAASamples << llendl ;
+ }
+ }
+
if (!result)
{
+ llwarns << "mFSAASamples: " << mFSAASamples << llendl ;
+
close();
show_window_creation_error("Error after wglChoosePixelFormatARB 32-bit");
return FALSE;
@@ -2711,6 +2746,8 @@ LLWindow::LLWindowResolution* LLWindowWin32::getSupportedResolutions(S32 &num_re
{
mSupportedResolutions = new LLWindowResolution[MAX_NUM_RESOLUTIONS];
DEVMODE dev_mode;
+ ::ZeroMemory(&dev_mode, sizeof(DEVMODE));
+ dev_mode.dmSize = sizeof(DEVMODE);
mNumSupportedResolutions = 0;
for (S32 mode_num = 0; mNumSupportedResolutions < MAX_NUM_RESOLUTIONS; mode_num++)
@@ -2786,7 +2823,8 @@ F32 LLWindowWin32::getPixelAspectRatio()
BOOL LLWindowWin32::setDisplayResolution(S32 width, S32 height, S32 bits, S32 refresh)
{
DEVMODE dev_mode;
- dev_mode.dmSize = sizeof(dev_mode);
+ ::ZeroMemory(&dev_mode, sizeof(DEVMODE));
+ dev_mode.dmSize = sizeof(DEVMODE);
BOOL success = FALSE;
// Don't change anything if we don't have to
@@ -2858,6 +2896,7 @@ BOOL LLWindowWin32::resetDisplayResolution()
void LLWindowWin32::swapBuffers()
{
+ glFinish();
SwapBuffers(mhDC);
}