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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| #include <vtkObjectFactory.h> | ||
| #include <vtkOpenGLFramebufferObject.h> | ||
| #include <vtkOpenGLState.h> | ||
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| #include "vtkF3DExternalRenderWindow.h" | ||
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| vtkStandardNewMacro(vtkF3DExternalRenderWindow); | ||
|
|
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| //------------------------------------------------------------------------------ | ||
| vtkF3DExternalRenderWindow::vtkF3DExternalRenderWindow() | ||
| { | ||
| this->FrameBlitMode = BlitToCurrent; | ||
| } | ||
|
|
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| //------------------------------------------------------------------------------ | ||
| vtkF3DExternalRenderWindow::~vtkF3DExternalRenderWindow() = default; | ||
|
|
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| //------------------------------------------------------------------------------ | ||
| void vtkF3DExternalRenderWindow::Start() | ||
| { | ||
| // creates or resizes the framebuffer | ||
| this->Size[0] = (this->Size[0] > 0 ? this->Size[0] : 300); | ||
| this->Size[1] = (this->Size[1] > 0 ? this->Size[1] : 300); | ||
| this->CreateFramebuffers(this->Size[0], this->Size[1]); | ||
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| this->GetState()->PushFramebufferBindings(); | ||
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| this->BlitToRenderFramebuffer(true); | ||
| this->RenderFramebuffer->Bind(); | ||
| } | ||
|
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| //------------------------------------------------------------------------------ | ||
| void vtkF3DExternalRenderWindow::Render() | ||
| { | ||
| if (!this->Initialized) | ||
| { | ||
| // skip vtkGenericOpenGLRenderWindow because it calls OpenGL before it's even initialized | ||
| this->vtkOpenGLRenderWindow::OpenGLInit(); | ||
| } | ||
|
|
||
| this->Superclass::Render(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /** | ||
| * @class vtkF3DExternalRenderWindow | ||
| * @brief external context render window | ||
| */ | ||
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| #ifndef vtkF3DExternalRenderWindow_h | ||
| #define vtkF3DExternalRenderWindow_h | ||
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| #include "vtkGenericOpenGLRenderWindow.h" | ||
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| class vtkF3DExternalRenderWindow : public vtkGenericOpenGLRenderWindow | ||
| { | ||
| public: | ||
| static vtkF3DExternalRenderWindow* New(); | ||
| vtkTypeMacro(vtkF3DExternalRenderWindow, vtkGenericOpenGLRenderWindow); | ||
|
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| /** | ||
| * Begin the rendering process using the existing context. | ||
| */ | ||
| void Start() override; | ||
|
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| /** | ||
| * An external context is always considered current. | ||
| */ | ||
| bool IsCurrent() override { return true; } | ||
|
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| /** | ||
| * Trigger rendering. Reimplemented to ensure OpenGL is initialized. | ||
| */ | ||
| void Render() override; | ||
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| protected: | ||
| vtkF3DExternalRenderWindow(); | ||
| ~vtkF3DExternalRenderWindow() override; | ||
|
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| private: | ||
| vtkF3DExternalRenderWindow(const vtkF3DExternalRenderWindow&) = delete; | ||
| void operator=(const vtkF3DExternalRenderWindow&) = delete; | ||
| }; | ||
| #endif // vtkF3DExternalRenderWindow_h |
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