Unigine::RenderContext Class

This class is used to manage render context.

RenderContext Class

Members

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int createContext(void * handle, int width, int height)

Creates a new rendering context.

Arguments

• void * handle - Window handle.
• int width - Canvas width.
• int height - Canvas height.

Return value

1 if rendering context is created successfully; otherwise, 0.

int isCreated()

Returns a value indicating if rendering context is created.

Return value

1 if rendering context is created successfully; otherwise, 0.

int destroyContext()

Destroys the rendering context.

Return value

1 if the rendering context is destroyed successfully; otherwise, 0.

int getContextAPI()

Returns the graphics API of the rendering context.

Return value

One of the following values:

• API_OPENGL
• API_DIRECT3D11

const char * getContextName()

Returns the name of the graphics API of the rendering context.

Return value

One of the following values:

• opengl
• direct3d11

void * getD3D11Context()

Returns a pointer to the existing ID3D11DeviceContext interface.

Return value

ID3D11DeviceContext interface pointer.

void * getD3D11DepthStencil()

Returns a pointer to the depth stencil texture.

Return value

Depth stencil texture pointer.

void * getD3D11DepthStencilView()

Returns a pointer to the existing ID3D11DepthStencilView interface.

Return value

ID3D11DepthStencilView interface pointer.

void * getD3D11Device()

Returns a pointer to the existing ID3D11Device interface.

Return value

ID3D11Device interface pointer.

void * getD3D11RenderTarget()

Returns a pointer to the render target texture.

Return value

Render target texture pointer.

void * getD3D11RenderTargetView()

Returns a pointer to the existing ID3D11RenderTargetView interface.

Return value

ID3D11RenderTargetView interface pointer.

void * getD3D11SwapChain()

Returns a pointer to the existing IDXGISwapChain interface.

Return value

IDXGISwapChain interface pointer.

void * getHandle()

Returns a window handle.

Return value

Window handle.

void * getGLContext()

Returns a pointer to the OpenGL context.

Return value

OpenGL context pointer.

int resizeWindow(int width, int height)

Resizes the window.

Arguments

• int width - New window width.
• int height - New window height.

Return value

1 if the window is resized successfully; otherwise, 0.

int renderWindow()

Renders the window.

Return value

1 if the window is rendered successfully; otherwise, 0.

int swapWindow()

Swaps the window.

Return value

1 if the window is swapped successfully; otherwise, 0.

int isReady()

Returns a value indicating if the rendering context is ready.

Return value

1 if the rendering context is ready; otherwise, 0.

void * createVisual()

Creates a visual context.

Return value

Pointer to the created visual context.