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GL.GetGPUProjectionMatrix

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public static function GetGPUProjectionMatrix(proj: Matrix4x4, renderIntoTexture: bool): Matrix4x4;
public static Matrix4x4 GetGPUProjectionMatrix(Matrix4x4 proj, bool renderIntoTexture);

Parameters

proj Source projection matrix.
renderIntoTexture Will this projection be used for rendering into a RenderTexture?

Returns

Matrix4x4 Adjusted projection matrix for the current graphics API.

Description

Compute GPU projection matrix from camera's projection matrix.

In Unity, projection matrices follow OpenGL convention. However on some platforms they have to be transformed a bit to match the native API requirements. Use this function to calculate how the final projection matrix will be like. The value will match what comes as UNITY_MATRIX_P matrix in a shader.

The renderIntoTexture value should be set to true if you intend to render into a RenderTexture with this projection matrix. On some platforms it affects how the final matrix will look like.

See Also: Camera.projectionMatrix, Platform differences, Built-in shader variables.

Copyright © 2016 Unity Technologies. Publication 5.4b-R
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