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Fow windows, client is now more likeley to create gl context that actually matches desired multi-sample value.

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This commit is contained in:
Shyotl
2012-08-30 02:57:46 -05:00
committed by Siana Gearz
parent 6ec4c65f04
commit 118937aa99
1 changed files with 149 additions and 9 deletions
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158
indra/llwindow/llwindowwin32.cpp
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@@ -387,6 +387,8 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
mhDC = NULL; mhDC = NULL;
mhRC = NULL; mhRC = NULL;
llinfos<<"Desired FSAA Samples = "<<mFSAASamples<<llendl;
// Initialize the keyboard // Initialize the keyboard
gKeyboard = new LLKeyboardWin32(); gKeyboard = new LLKeyboardWin32();
gKeyboard->setCallbacks(callbacks); gKeyboard->setCallbacks(callbacks);
@@ -1274,21 +1276,155 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
LL_INFOS("Window") << "pixel formats done." << llendl ; LL_INFOS("Window") << "pixel formats done." << llendl ;
S32 swap_method = 0; /*for(int i = 0; i <= num_formats-1; ++i)
S32 cur_format = num_formats-1;
GLint swap_query = WGL_SWAP_METHOD_ARB;
BOOL found_format = FALSE;
while (!found_format && wglGetPixelFormatAttribivARB(mhDC, pixel_format, 0, 1, &swap_query, &swap_method))
{ {
if (swap_method == WGL_SWAP_UNDEFINED_ARB || cur_format <= 0) GLint query[] = { WGL_SAMPLE_BUFFERS_ARB,
WGL_SAMPLES_ARB,
WGL_NUMBER_PIXEL_FORMATS_ARB,
WGL_DRAW_TO_WINDOW_ARB,
WGL_DRAW_TO_BITMAP_ARB,
WGL_ACCELERATION_ARB,
WGL_NEED_PALETTE_ARB,
WGL_NEED_SYSTEM_PALETTE_ARB,
WGL_SWAP_LAYER_BUFFERS_ARB,
WGL_SWAP_METHOD_ARB,
WGL_NUMBER_OVERLAYS_ARB,
WGL_NUMBER_UNDERLAYS_ARB,
WGL_TRANSPARENT_ARB,
WGL_TRANSPARENT_RED_VALUE_ARB,
WGL_TRANSPARENT_GREEN_VALUE_ARB,
WGL_TRANSPARENT_BLUE_VALUE_ARB,
WGL_TRANSPARENT_ALPHA_VALUE_ARB,
WGL_TRANSPARENT_INDEX_VALUE_ARB,
WGL_SHARE_DEPTH_ARB,
WGL_SHARE_STENCIL_ARB,
WGL_SHARE_ACCUM_ARB,
WGL_SUPPORT_GDI_ARB,
WGL_SUPPORT_OPENGL_ARB,
WGL_DOUBLE_BUFFER_ARB,
WGL_STEREO_ARB,
WGL_PIXEL_TYPE_ARB,
WGL_COLOR_BITS_ARB,
WGL_RED_BITS_ARB,
WGL_RED_SHIFT_ARB,
WGL_GREEN_BITS_ARB,
WGL_GREEN_SHIFT_ARB,
WGL_BLUE_BITS_ARB,
WGL_BLUE_SHIFT_ARB,
WGL_ALPHA_BITS_ARB,
WGL_ALPHA_SHIFT_ARB,
WGL_ACCUM_BITS_ARB,
WGL_ACCUM_RED_BITS_ARB,
WGL_ACCUM_GREEN_BITS_ARB,
WGL_ACCUM_BLUE_BITS_ARB,
WGL_ACCUM_ALPHA_BITS_ARB,
WGL_DEPTH_BITS_ARB,
WGL_STENCIL_BITS_ARB,
WGL_AUX_BUFFERS_ARB};
std::string names[] = { "WGL_SAMPLE_BUFFERS_ARB",
"WGL_SAMPLES_ARB",
"WGL_NUMBER_PIXEL_FORMATS_ARB",
"WGL_DRAW_TO_WINDOW_ARB",
"WGL_DRAW_TO_BITMAP_ARB",
"WGL_ACCELERATION_ARB",
"WGL_NEED_PALETTE_ARB",
"WGL_NEED_SYSTEM_PALETTE_ARB",
"WGL_SWAP_LAYER_BUFFERS_ARB",
"WGL_SWAP_METHOD_ARB",
"WGL_NUMBER_OVERLAYS_ARB",
"WGL_NUMBER_UNDERLAYS_ARB",
"WGL_TRANSPARENT_ARB",
"WGL_TRANSPARENT_RED_VALUE_ARB",
"WGL_TRANSPARENT_GREEN_VALUE_ARB",
"WGL_TRANSPARENT_BLUE_VALUE_ARB",
"WGL_TRANSPARENT_ALPHA_VALUE_ARB",
"WGL_TRANSPARENT_INDEX_VALUE_ARB",
"WGL_SHARE_DEPTH_ARB",
"WGL_SHARE_STENCIL_ARB",
"WGL_SHARE_ACCUM_ARB",
"WGL_SUPPORT_GDI_ARB",
"WGL_SUPPORT_OPENGL_ARB",
"WGL_DOUBLE_BUFFER_ARB",
"WGL_STEREO_ARB",
"WGL_PIXEL_TYPE_ARB",
"WGL_COLOR_BITS_ARB",
"WGL_RED_BITS_ARB",
"WGL_RED_SHIFT_ARB",
"WGL_GREEN_BITS_ARB",
"WGL_GREEN_SHIFT_ARB",
"WGL_BLUE_BITS_ARB",
"WGL_BLUE_SHIFT_ARB",
"WGL_ALPHA_BITS_ARB",
"WGL_ALPHA_SHIFT_ARB",
"WGL_ACCUM_BITS_ARB",
"WGL_ACCUM_RED_BITS_ARB",
"WGL_ACCUM_GREEN_BITS_ARB",
"WGL_ACCUM_BLUE_BITS_ARB",
"WGL_ACCUM_ALPHA_BITS_ARB",
"WGL_DEPTH_BITS_ARB",
"WGL_STENCIL_BITS_ARB",
"WGL_AUX_BUFFERS_ARB"};
S32 results[sizeof(query)/sizeof(query[0])]={0};
if(wglGetPixelFormatAttribivARB(mhDC, pixel_formats[i], 0, sizeof(query)/sizeof(query[0]), query, results))
{ {
llinfos << i << ":" << llendl;
for(int j = 0; j < sizeof(query)/sizeof(query[0]); ++j)
{
switch(results[j])
{
case WGL_NO_ACCELERATION_ARB:
llinfos << " " << names[j] << " = " << "WGL_NO_ACCELERATION_ARB" << llendl;
break;
case WGL_GENERIC_ACCELERATION_ARB:
llinfos << " " << names[j] << " = " << "WGL_GENERIC_ACCELERATION_ARB" << llendl;
break;
case WGL_FULL_ACCELERATION_ARB:
llinfos << " " << names[j] << " = " << "WGL_FULL_ACCELERATION_ARB" << llendl;
break;
case WGL_SWAP_EXCHANGE_ARB:
llinfos << " " << names[j] << " = " << "WGL_SWAP_EXCHANGE_ARB" << llendl;
break;
case WGL_SWAP_COPY_ARB:
llinfos << " " << names[j] << " = " << "WGL_SWAP_COPY_ARB" << llendl;
break;
case WGL_SWAP_UNDEFINED_ARB:
llinfos << " " << names[j] << " = " << "WGL_SWAP_UNDEFINED_ARB" << llendl;
break;
case WGL_TYPE_RGBA_ARB:
llinfos << " " << names[j] << " = " << "WGL_TYPE_RGBA_ARB" << llendl;
break;
case WGL_TYPE_COLORINDEX_ARB:
llinfos << " " << names[j] << " = " << "WGL_TYPE_COLORINDEX_ARB" << llendl;
break;
default:
llinfos << " " << names[j] << " = " << results[j] << llendl;
}
}
}
}*/
//Singu note: Reversed order of this loop. Generally, choosepixelformat returns an array with the closer matches towards the start.
S32 swap_method = 0;
S32 cur_format = 0;//num_formats-1;
GLint swap_query = WGL_SWAP_METHOD_ARB;
BOOL found_format = FALSE;
while (!found_format && wglGetPixelFormatAttribivARB(mhDC, pixel_formats[cur_format], 0, 1, &swap_query, &swap_method))
{
if (swap_method == WGL_SWAP_UNDEFINED_ARB /*|| cur_format <= 0*/)
{
found_format = TRUE;
}
else if(cur_format >= num_formats-1)
{
cur_format = 0;
found_format = TRUE; found_format = TRUE;
} }
else else
{ {
--cur_format; //--cur_format;
++cur_format;
} }
} }
@@ -1495,6 +1631,10 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
swapBuffers(); swapBuffers();
} }
int buf = 0;
glGetIntegerv(GL_SAMPLES, &buf);
llinfos << "Acquired FSAA Samples = " << buf << llendl;
return TRUE; return TRUE;
} }