What is glViewport OpenGL?

What is glViewport OpenGL?

Description. glViewport specifies the affine transformation of x and y from normalized device coordinates to window coordinates. Let (xnd,ynd) be normalized device coordinates.

What is OpenGL ES 2. 0 apps?

Android includes support for high performance 2D and 3D graphics with the Open Graphics Library (OpenGLĀ®), specifically, the OpenGL ES API. OpenGL is a cross-platform graphics API that specifies a standard software interface for 3D graphics processing hardware.

What is the use of glViewport?

The glViewport function specifies the affine transformation of x and y from normalized device coordinates to window coordinates.

What is 4x MSAA in OpenGL ES 2.0 apps?

When you enable 4x multi-sample anti-aliasing (MSAA). Your Android smartphone will render games at the highest possible quality. It forces Android to use 4x multisample anti-aliasing in OpenGL 2.0 for apps and games.

What is the default size of a viewport in OpenGL?

The lower-left corner of the viewport rectangle, in pixels. The default is (0,0). y The lower-left corner of the viewport rectangle, in pixels. The default is (0,0). width The width of the viewport. When an OpenGL context is first attached to a window, widthand heightare set to the dimensions of that window. height The height of the viewport.

What are the glsizei parameters for glviewport?

void WINAPI glViewport( GLint x, GLint y, GLsizei width, GLsizei height ); Parameters x The lower-left corner of the viewport rectangle, in pixels. The default is (0,0). y The lower-left corner of the viewport rectangle, in pixels.

What is the use of width and height in OpenGL?

The height of the viewport. When an OpenGL context is first attached to a window, widthand heightare set to the dimensions of that window. Return value This function does not return a value.

What are the parameters of glviewport in WinAPI?

void WINAPI glViewport( GLint x, GLint y, GLsizei width, GLsizei height ); Parameters x The lower-left corner of the viewport rectangle, in pixels. The default is (0,0). y The lower-left corner of the viewport rectangle, in pixels. The default is (0,0). width The width of the viewport.