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BGE: adding a fix so 2D filters work properly with side-by-side stereoscopic rendering.

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This commit is contained in:
Mitchell Stokes 2013-07-15 22:44:48 +00:00
parent efc4b08094
commit 5ba2f4367d
1 changed files with 5 additions and 0 deletions
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5
source/gameengine/Rasterizer/RAS_2DFilterManager.cpp
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@ -429,6 +429,11 @@ void RAS_2DFilterManager::RenderFilters(RAS_ICanvas* canvas)
glActiveTextureARB(GL_TEXTURE0); glActiveTextureARB(GL_TEXTURE0);
canvas->SetViewPort(0, 0, rect_width-1, rect_height-1); canvas->SetViewPort(0, 0, rect_width-1, rect_height-1);
// We do this to make side-by-side stereo rendering work correctly with 2D filters. It would probably be nicer to just set the viewport,
// but it can be easier for writing shaders to have the coordinates for the whole screen instead of just part of the screen.
RAS_Rect scissor_rect = canvas->GetDisplayArea();
glScissor(scissor_rect.GetLeft()+viewport[0], scissor_rect.GetBottom()+viewport[1], scissor_rect.GetWidth()+1, scissor_rect.GetHeight()+1);
glDisable(GL_DEPTH_TEST); glDisable(GL_DEPTH_TEST);
// in case the previous material was wire // in case the previous material was wire
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);