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471d972e62
#rnx #rb none #ROBOMERGE-SOURCE: CL 10869240 via CL 10869516 via CL 10869902 #ROBOMERGE-BOT: (v613-10869866) [CL 10870584 by ryan durand in Main branch]
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "CoreMinimal.h"
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#include "GenericPlatform/GenericWindow.h"
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#include "Widgets/SWindow.h"
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#include "OpenGL/SlateOpenGLRenderer.h"
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FSlateOpenGLViewport::FSlateOpenGLViewport()
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: bFullscreen(false)
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{
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}
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void FSlateOpenGLViewport::Initialize( TSharedRef<SWindow> InWindow, const FSlateOpenGLContext& SharedContext )
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{
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TSharedRef<FGenericWindow> NativeWindow = InWindow->GetNativeWindow().ToSharedRef();
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RenderingContext.Initialize(NativeWindow->GetOSWindowHandle(), &SharedContext);
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// Create an OpenGL viewport
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const int32 Width = FMath::TruncToInt(InWindow->GetSizeInScreen().X);
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const int32 Height = FMath::TruncToInt(InWindow->GetSizeInScreen().Y);
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ProjectionMatrix = CreateProjectionMatrix( Width, Height );
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ViewportRect.Right = Width;
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ViewportRect.Bottom = Height;
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ViewportRect.Top = 0;
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ViewportRect.Left = 0;
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}
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void FSlateOpenGLViewport::Destroy()
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{
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RenderingContext.Destroy();
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}
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void FSlateOpenGLViewport::MakeCurrent()
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{
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RenderingContext.MakeCurrent();
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}
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void FSlateOpenGLViewport::SwapBuffers()
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{
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SDL_GL_SwapWindow( RenderingContext.WindowHandle );
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}
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void FSlateOpenGLViewport::Resize( int32 Width, int32 Height, bool bInFullscreen )
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{
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ViewportRect.Right = Width;
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ViewportRect.Bottom = Height;
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bFullscreen = bInFullscreen;
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// Need to create a new projection matrix each time the window is resized
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ProjectionMatrix = CreateProjectionMatrix( Width, Height );
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}
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