19 lines
469 B
GLSL
19 lines
469 B
GLSL
attribute vec4 attr_Position;
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attribute vec4 attr_TexCoord0;
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uniform vec3 u_ViewForward;
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uniform vec3 u_ViewLeft;
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uniform vec3 u_ViewUp;
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uniform vec4 u_ViewInfo; // zfar / znear
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varying vec2 var_DepthTex;
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varying vec3 var_ViewDir;
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void main()
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{
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gl_Position = attr_Position;
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vec2 screenCoords = gl_Position.xy / gl_Position.w;
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var_DepthTex = attr_TexCoord0.xy;
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var_ViewDir = u_ViewForward + u_ViewLeft * -screenCoords.x + u_ViewUp * screenCoords.y;
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}
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